From 08a6479ecd599fc1c9e58f89a7a4c970fcc4d501 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Thu, 12 Mar 2015 03:34:34 -0300 Subject: linux-libre-lts-grsec{,-knock}-3.14.35_gnu.201503092203-1: updating version * enable TOMOYO LSM * update loongson-community patch --- .../3.14.14-a410a5e2b7-loongson-community.patch | 10845 ------------------ .../3.14.26-8475f027b4-loongson-community.patch | 10848 +++++++++++++++++++ kernels/linux-libre-lts-grsec/PKGBUILD | 16 +- kernels/linux-libre-lts-grsec/config.i686 | 18 +- kernels/linux-libre-lts-grsec/config.mips64el | 17 +- kernels/linux-libre-lts-grsec/config.x86_64 | 18 +- 6 files changed, 10903 insertions(+), 10859 deletions(-) delete mode 100644 kernels/linux-libre-lts-grsec/3.14.14-a410a5e2b7-loongson-community.patch create mode 100644 kernels/linux-libre-lts-grsec/3.14.26-8475f027b4-loongson-community.patch (limited to 'kernels/linux-libre-lts-grsec') diff --git a/kernels/linux-libre-lts-grsec/3.14.14-a410a5e2b7-loongson-community.patch b/kernels/linux-libre-lts-grsec/3.14.14-a410a5e2b7-loongson-community.patch deleted file mode 100644 index 8cd53fd61..000000000 --- a/kernels/linux-libre-lts-grsec/3.14.14-a410a5e2b7-loongson-community.patch +++ /dev/null @@ -1,10845 +0,0 @@ -diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig -index 95fa1f1..82dc7e8 100644 ---- a/arch/mips/Kconfig -+++ b/arch/mips/Kconfig -@@ -278,7 +278,7 @@ config LASAT - - config MACH_LOONGSON - bool "Loongson family of machines" -- select SYS_SUPPORTS_ZBOOT -+ select SYS_SUPPORTS_ZBOOT_UART16550 - help - This enables the support of Loongson family of machines. - -@@ -885,6 +885,60 @@ config CSRC_IOASIC - config CSRC_R4K - bool - -+config MIPS_USER_RDTSC -+ bool "Emulate rdtsc instruction for MIPS" -+ depends on CSRC_R4K && MIPS32_O32 -+ default n -+ help -+ This optoin enables the Emulated rdtsc support for MIPS, which allows -+ the user-space applications read the R4k count directly. Currently, -+ this only support the CONFIG_MIPS32_O32 and R4K, but future, we may -+ add support for scall64-{n32,64}.S and scall32-32.S and for the count -+ registers provided by the other MIPS variants. -+ -+ This emulation based on the syscall instruction, by default, the -+ syscall is encoded as 0x0000000c, except the 0xc, the other parts can -+ be encoded as specific meaning. when a syscall instruction is issued, -+ through checking the encoding of the instruction, when the encoding -+ is the generic 0x000000c, we do the generic syscall work, if -+ something other is encoded in, we can do relevant things, except for -+ the light-weight things, such as read a register. herein, we read the -+ count register whenever there is something encoded in the syscall -+ instruction. In the future, we may be possible to abstract more -+ light-weight & frequently-used operations and add a -+ sys_call_table-like table to store the entries of some light-weight -+ operations and encode 1,2,3... into the syscall instruction and jump -+ to respective entry for diffrent numbers, as a result, we get -+ fast-syscall and which may speed up the user-space applications and -+ even be possibly improve the determinism. -+ -+ *Example* -+ -+ #include -+ #include -+ -+ /* -+ * Currently, our return value is only 32bit, In the long run, -+ * this should be uint64_t, just like clock_gettime(), but it -+ * should has high precision/low overhead than clock_gettime() -+ */ -+ uint32_t rdtsc(void) -+ { -+ /* -+ * Linux will store the value of the count register into -+ * the v0 register, which is just the return value of this -+ * function, so, please ignore the compiling warning. -+ */ -+ __asm__ __volatile__ ( -+ "syscall 1\n" -+ :::"$2"); -+ } -+ -+ int main(int argc, char *argv[]) -+ { -+ return printf("cycles: %u\n", rdtsc()); -+ } -+ - config CSRC_GIC - bool - -@@ -1492,6 +1546,15 @@ config CPU_LOONGSON2 - bool - select CPU_SUPPORTS_32BIT_KERNEL - select CPU_SUPPORTS_64BIT_KERNEL -+ select CPU_SUPPORTS_HIGHMEM if ! EMBEDDED -+ select ARCH_WANT_OPTIONAL_GPIOLIB -+ -+config CPU_LOONGSON1 -+ bool -+ select CPU_MIPS32 -+ select CPU_MIPSR2 -+ select CPU_HAS_PREFETCH -+ select CPU_SUPPORTS_32BIT_KERNEL - select CPU_SUPPORTS_HIGHMEM - select CPU_SUPPORTS_HUGEPAGES - -@@ -2110,7 +2173,7 @@ config SYS_SUPPORTS_MICROMIPS - - config ARCH_FLATMEM_ENABLE - def_bool y -- depends on !NUMA && !CPU_LOONGSON2 -+ depends on !NUMA && !(CPU_LOONGSON2 && HIBERNATION) - - config ARCH_DISCONTIGMEM_ENABLE - bool -diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug -index b147e70..f32dfb0 100644 ---- a/arch/mips/Kconfig.debug -+++ b/arch/mips/Kconfig.debug -@@ -7,9 +7,9 @@ config TRACE_IRQFLAGS_SUPPORT - source "lib/Kconfig.debug" - - config EARLY_PRINTK -- bool "Early printk" if EXPERT -+ bool "Early printk" - depends on SYS_HAS_EARLY_PRINTK -- default y -+ default n - help - This option enables special console drivers which allow the kernel - to print messages very early in the bootup process. -diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile -index 61af6b6..8598044 100644 ---- a/arch/mips/boot/compressed/Makefile -+++ b/arch/mips/boot/compressed/Makefile -@@ -30,9 +30,10 @@ KBUILD_AFLAGS := $(LINUXINCLUDE) $(KBUILD_AFLAGS) -D__ASSEMBLY__ \ - targets := head.o decompress.o string.o dbg.o uart-16550.o uart-alchemy.o - - # decompressor objects (linked with vmlinuz) --vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o $(obj)/dbg.o -+vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o - - ifdef CONFIG_DEBUG_ZBOOT -+vmlinuzobjs-y += $(obj)/dbg.o - vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o - vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o - endif -@@ -79,9 +80,18 @@ quiet_cmd_zld = LD $@ - cmd_zld = $(LD) $(LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@ - quiet_cmd_strip = STRIP $@ - cmd_strip = $(STRIP) -s $@ -+ifdef CONFIG_EMBEDDED -+quiet_cmd_sstrip = SSTRIP $@ -+ cmd_sstrip = $(srctree)/scripts/sstrip.sh $@ -+endif - vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr - $(call cmd,zld) - $(call cmd,strip) -+ $(call cmd,sstrip) -+ -+vmlinuz.unsstrip: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr -+ $(call cmd,zld) -+ $(call cmd,strip) - - # - # Some DECstations need all possible sections of an ECOFF executable -@@ -94,14 +104,14 @@ endif - hostprogs-y += ../elf2ecoff - - ifdef CONFIG_32BIT -- VMLINUZ = vmlinuz -+ VMLINUZ = vmlinuz.unsstrip - else - VMLINUZ = vmlinuz.32 - endif - - quiet_cmd_32 = OBJCOPY $@ - cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ --vmlinuz.32: vmlinuz -+vmlinuz.32: vmlinuz.unsstrip - $(call cmd,32) - - quiet_cmd_ecoff = ECOFF $@ -@@ -110,11 +120,11 @@ vmlinuz.ecoff: $(obj)/../elf2ecoff $(VMLINUZ) - $(call cmd,ecoff) - - OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary --vmlinuz.bin: vmlinuz -+vmlinuz.bin: vmlinuz.unsstrip - $(call cmd,objcopy) - - OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec --vmlinuz.srec: vmlinuz -+vmlinuz.srec: vmlinuz.unsstrip - $(call cmd,objcopy) - --clean-files := $(objtree)/vmlinuz $(objtree)/vmlinuz.{32,ecoff,bin,srec} -+clean-files := $(objtree)/vmlinuz $(objtree)/vmlinuz.{32,ecoff,bin,srec,unsstrip} -diff --git a/arch/mips/boot/compressed/decompress.c b/arch/mips/boot/compressed/decompress.c -index c00c4dd..f4a656d 100644 ---- a/arch/mips/boot/compressed/decompress.c -+++ b/arch/mips/boot/compressed/decompress.c -@@ -27,8 +27,13 @@ unsigned long free_mem_end_ptr; - extern unsigned char __image_begin, __image_end; - - /* debug interfaces */ -+#ifdef CONFIG_DEBUG_ZBOOT - extern void puts(const char *s); - extern void puthex(unsigned long long val); -+#else -+#define puts(s) -+#define puthex(val) -+#endif - - void error(char *x) - { -diff --git a/arch/mips/boot/compressed/ld.script b/arch/mips/boot/compressed/ld.script -index 5a33409..de04ac9 100644 ---- a/arch/mips/boot/compressed/ld.script -+++ b/arch/mips/boot/compressed/ld.script -@@ -49,5 +49,6 @@ SECTIONS - *(.reginfo) - *(.comment) - *(.note) -+ *(.gnu.attributes) - } - } -diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h -index 84238c5..28e0b03 100644 ---- a/arch/mips/include/asm/dma-mapping.h -+++ b/arch/mips/include/asm/dma-mapping.h -@@ -6,9 +6,7 @@ - #include - #include - --#ifndef CONFIG_SGI_IP27 /* Kludge to fix 2.6.39 build for IP27 */ - #include --#endif - - extern struct dma_map_ops *mips_dma_map_ops; - -diff --git a/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h b/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h -index a0ee0cb..c6df1c4 100644 ---- a/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h -+++ b/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h -@@ -299,7 +299,42 @@ extern void _wrmsr(u32 msr, u32 hi, u32 lo); - - /****************** NATIVE ***************************/ - /* GPIO : I/O SPACE; REG : 32BITS */ --#define GPIOL_OUT_VAL 0x00 --#define GPIOL_OUT_EN 0x04 -+#define GPIOL_OUT_VAL 0x00 -+#define GPIOL_OUT_EN 0x04 -+#define GPIOL_OUT_AUX1_SEL 0x10 -+/* SMB : I/O SPACE, REG : 8BITS WIDTH */ -+#define SMB_SDA 0x00 -+#define SMB_STS 0x01 -+#define SMB_STS_SLVSTP (1 << 7) -+#define SMB_STS_SDAST (1 << 6) -+#define SMB_STS_BER (1 << 5) -+#define SMB_STS_NEGACK (1 << 4) -+#define SMB_STS_STASTR (1 << 3) -+#define SMB_STS_NMATCH (1 << 2) -+#define SMB_STS_MASTER (1 << 1) -+#define SMB_STS_XMIT (1 << 0) -+#define SMB_CTRL_STS 0x02 -+#define SMB_CSTS_TGSTL (1 << 5) -+#define SMB_CSTS_TSDA (1 << 4) -+#define SMB_CSTS_GCMTCH (1 << 3) -+#define SMB_CSTS_MATCH (1 << 2) -+#define SMB_CSTS_BB (1 << 1) -+#define SMB_CSTS_BUSY (1 << 0) -+#define SMB_CTRL1 0x03 -+#define SMB_CTRL1_STASTRE (1 << 7) -+#define SMB_CTRL1_NMINTE (1 << 6) -+#define SMB_CTRL1_GCMEN (1 << 5) -+#define SMB_CTRL1_ACK (1 << 4) -+#define SMB_CTRL1_RSVD (1 << 3) -+#define SMB_CTRL1_INTEN (1 << 2) -+#define SMB_CTRL1_STOP (1 << 1) -+#define SMB_CTRL1_START (1 << 0) -+#define SMB_ADDR 0x04 -+#define SMB_ADDR_SAEN (1 << 7) -+#define SMB_CONTROLLER_ADDR (0xef << 0) -+#define SMB_CTRL2 0x05 -+#define SMB_FREQ (0x20 << 1) -+#define SMB_ENABLE (0x01 << 0) -+#define SMB_CTRL3 0x06 - - #endif /* _CS5536_H */ -diff --git a/arch/mips/include/asm/mach-loongson/cs5536/cs5536_mfgpt.h b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_mfgpt.h -index 021d017..d058e46 100644 ---- a/arch/mips/include/asm/mach-loongson/cs5536/cs5536_mfgpt.h -+++ b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_mfgpt.h -@@ -10,26 +10,45 @@ - - #ifdef CONFIG_CS5536_MFGPT - extern void setup_mfgpt0_timer(void); --extern void disable_mfgpt0_counter(void); --extern void enable_mfgpt0_counter(void); -+extern void disable_mfgpt_counter(void); -+extern void enable_mfgpt_counter(void); - #else - static inline void __maybe_unused setup_mfgpt0_timer(void) - { - } --static inline void __maybe_unused disable_mfgpt0_counter(void) -+static inline void __maybe_unused disable_mfgpt_counter(void) - { - } --static inline void __maybe_unused enable_mfgpt0_counter(void) -+static inline void __maybe_unused enable_mfgpt_counter(void) - { - } - #endif - --#define MFGPT_TICK_RATE 14318000 --#define COMPARE ((MFGPT_TICK_RATE + HZ/2) / HZ) -+#define MFGPT_CLK_RATE(c) ((14318000UL-32768)*c + 32768) -+#define MFGPT_TICK_RATE(c, scale) (MFGPT_CLK_RATE(c) / (1 << scale)) -+#define MFGPT_COMPARE(c, scale) ((MFGPT_TICK_RATE(c, scale)+HZ/2)/HZ) - --#define MFGPT_BASE mfgpt_base --#define MFGPT0_CMP2 (MFGPT_BASE + 2) --#define MFGPT0_CNT (MFGPT_BASE + 4) --#define MFGPT0_SETUP (MFGPT_BASE + 6) -+#define MFGPT_SETUP_ENABLE (1 << 15) -+#define MFGPT_SETUP_ACK (3 << 13) -+#define MFGPT_SETUP_SETUP (1 << 12) -+#define MFGPT_SETUP_CMP2EVT (3 << 8) -+#define MFGPT_SETUP_CMP1EVT (3 << 6) -+#define MFGPT_SETUP_CLOCK(c) (c << 4) -+#define MFGPT_SETUP_SCALE(scale) scale -+ -+#define MFGPT0_CMP1 mfgpt_base -+#define MFGPT0_CMP2 (mfgpt_base + 0x02) -+#define MFGPT0_CNT (mfgpt_base + 0x04) -+#define MFGPT0_SETUP (mfgpt_base + 0x06) -+ -+#define MFGPT1_CMP1 (mfgpt_base + 0x08) -+#define MFGPT1_CMP2 (mfgpt_base + 0x0A) -+#define MFGPT1_CNT (mfgpt_base + 0x0C) -+#define MFGPT1_SETUP (mfgpt_base + 0x0E) -+ -+#define MFGPT2_CMP1 (mfgpt_base + 0x10) -+#define MFGPT2_CMP2 (mfgpt_base + 0x12) -+#define MFGPT2_CNT (mfgpt_base + 0x14) -+#define MFGPT2_SETUP (mfgpt_base + 0x16) - - #endif /*!_CS5536_MFGPT_H */ -diff --git a/arch/mips/include/asm/mach-loongson/cs5536/cs5536_pci.h b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_pci.h -index 8a7ecb4..ac01334 100644 ---- a/arch/mips/include/asm/mach-loongson/cs5536/cs5536_pci.h -+++ b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_pci.h -@@ -13,6 +13,7 @@ - - #include - #include -+#include - - extern void cs5536_pci_conf_write4(int function, int reg, u32 value); - extern u32 cs5536_pci_conf_read4(int function, int reg); -diff --git a/arch/mips/include/asm/mach-loongson/cs5536/cs5536_vsm.h b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_vsm.h -index 1f17c18..9bc368f0d 100644 ---- a/arch/mips/include/asm/mach-loongson/cs5536/cs5536_vsm.h -+++ b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_vsm.h -@@ -17,15 +17,43 @@ typedef u32 (*cs5536_pci_vsm_read)(int reg); - extern void pci_##name##_write_reg(int reg, u32 value); \ - extern u32 pci_##name##_read_reg(int reg); - -+#define DEFINE_CS5536_MODULE(name) \ -+static void pci_##name##_write_reg(int reg, u32 value) {} \ -+static u32 pci_##name##_read_reg(int reg) { return 0; } -+ -+/* isa module */ -+#ifdef CONFIG_CS5536_ISA -+DECLARE_CS5536_MODULE(isa) -+#else -+DEFINE_CS5536_MODULE(isa) -+#endif -+ - /* ide module */ -+#ifdef CONFIG_CS5536_IDE - DECLARE_CS5536_MODULE(ide) -+#else -+DEFINE_CS5536_MODULE(ide) -+#endif -+ - /* acc module */ -+#ifdef CONFIG_CS5536_AUDIO - DECLARE_CS5536_MODULE(acc) -+#else -+DEFINE_CS5536_MODULE(acc) -+#endif -+ - /* ohci module */ -+#ifdef CONFIG_CS5536_OHCI - DECLARE_CS5536_MODULE(ohci) --/* isa module */ --DECLARE_CS5536_MODULE(isa) -+#else -+DEFINE_CS5536_MODULE(ohci) -+#endif -+ - /* ehci module */ -+#ifdef CONFIG_CS5536_EHCI - DECLARE_CS5536_MODULE(ehci) -+#else -+DEFINE_CS5536_MODULE(ehci) -+#endif - - #endif /* _CS5536_VSM_H */ -diff --git a/arch/mips/include/asm/mach-loongson/gpio.h b/arch/mips/include/asm/mach-loongson/gpio.h -index 211a7b7..f15db3c 100644 ---- a/arch/mips/include/asm/mach-loongson/gpio.h -+++ b/arch/mips/include/asm/mach-loongson/gpio.h -@@ -13,12 +13,16 @@ - #ifndef __STLS2F_GPIO_H - #define __STLS2F_GPIO_H - -+#ifdef CONFIG_GPIOLIB -+#define ARCH_NR_GPIOS 4 - #include - - extern void gpio_set_value(unsigned gpio, int value); - extern int gpio_get_value(unsigned gpio); - extern int gpio_cansleep(unsigned gpio); - -+#endif -+ - /* The chip can do interrupt - * but it has not been tested and doc not clear - */ -diff --git a/arch/mips/include/asm/mach-loongson/loongson.h b/arch/mips/include/asm/mach-loongson/loongson.h -index b286534..222d179 100644 ---- a/arch/mips/include/asm/mach-loongson/loongson.h -+++ b/arch/mips/include/asm/mach-loongson/loongson.h -@@ -32,17 +32,13 @@ extern void __init prom_init_memory(void); - extern void __init prom_init_cmdline(void); - extern void __init prom_init_machtype(void); - extern void __init prom_init_env(void); --#ifdef CONFIG_LOONGSON_UART_BASE --extern unsigned long _loongson_uart_base, loongson_uart_base; --extern void prom_init_loongson_uart_base(void); --#endif -+extern void __init prom_init_uart_base(void); - --static inline void prom_init_uart_base(void) --{ --#ifdef CONFIG_LOONGSON_UART_BASE -- prom_init_loongson_uart_base(); --#endif --} -+/* -+ * Copy kernel command line from arcs_cmdline -+ */ -+#include -+extern char loongson_cmdline[COMMAND_LINE_SIZE]; - - /* irq operation functions */ - extern void bonito_irqdispatch(void); -@@ -249,6 +245,12 @@ extern struct cpufreq_frequency_table loongson2_clockmod_table[]; - - /* Chip Config */ - #define LOONGSON_CHIPCFG0 LOONGSON_REG(LOONGSON_REGBASE + 0x80) -+#define LOONGSON_GET_CPUFREQ() (LOONGSON_CHIPCFG0 & 7) -+ -+#define LOONGSON_SET_CPUFREQ(level) do { \ -+ LOONGSON_CHIPCFG0 = (LOONGSON_CHIPCFG0 & (~7)) | (level); \ -+} while (0) -+ - #endif - - /* -diff --git a/arch/mips/include/asm/mach-loongson/machine.h b/arch/mips/include/asm/mach-loongson/machine.h -index 3810d5c..d219499 100644 ---- a/arch/mips/include/asm/mach-loongson/machine.h -+++ b/arch/mips/include/asm/mach-loongson/machine.h -@@ -24,4 +24,10 @@ - - #endif - -+#ifdef CONFIG_DEXXON_GDIUM -+ -+#define LOONGSON_MACHTYPE MACH_DEXXON_GDIUM2F10 -+ -+#endif -+ - #endif /* __ASM_MACH_LOONGSON_MACHINE_H */ -diff --git a/arch/mips/include/asm/mach-loongson1/clock.h b/arch/mips/include/asm/mach-loongson1/clock.h -new file mode 100644 -index 0000000..dd1afdb ---- /dev/null -+++ b/arch/mips/include/asm/mach-loongson1/clock.h -@@ -0,0 +1,53 @@ -+#ifndef __ASM_MACH_LOONGSON1_CLOCK_H -+#define __ASM_MACH_LOONGSON1_CLOCK_H -+ -+#include -+#include -+#include -+#include -+ -+extern void (*cpu_wait) (void); -+ -+struct clk; -+ -+struct clk_ops { -+ void (*init) (struct clk *clk); -+ void (*enable) (struct clk *clk); -+ void (*disable) (struct clk *clk); -+ void (*recalc) (struct clk *clk); -+ int (*set_rate) (struct clk *clk, unsigned long rate, int algo_id); -+ long (*round_rate) (struct clk *clk, unsigned long rate); -+}; -+ -+struct clk { -+ struct list_head node; -+ const char *name; -+ int id; -+ struct module *owner; -+ -+ struct clk *parent; -+ struct clk_ops *ops; -+ -+ struct kref kref; -+ -+ unsigned long rate; -+ unsigned long flags; -+}; -+ -+#define CLK_ALWAYS_ENABLED (1 << 0) -+#define CLK_RATE_PROPAGATES (1 << 1) -+ -+/* Should be defined by processor-specific code */ -+void arch_init_clk_ops(struct clk_ops **, int type); -+ -+int clk_init(void); -+ -+int __clk_enable(struct clk *); -+void __clk_disable(struct clk *); -+ -+void clk_recalc_rate(struct clk *); -+ -+int clk_register(struct clk *); -+void clk_unregister(struct clk *); -+ -+#endif /* __ASM_MIPS_CLOCK_H */ -diff --git a/arch/mips/include/asm/mach-loongson1/regs-intc.h b/arch/mips/include/asm/mach-loongson1/regs-intc.h -new file mode 100644 -index 0000000..6d5db23 ---- /dev/null -+++ b/arch/mips/include/asm/mach-loongson1/regs-intc.h -@@ -0,0 +1,25 @@ -+/* -+ * Copyright (c) 2011 Zhang, Keguang -+ * -+ * Loongson1 Interrupt register definitions. -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License as published by the -+ * Free Software Foundation; either version 2 of the License, or (at your -+ * option) any later version. -+ */ -+ -+#ifndef __ASM_MACH_LOONGSON1_REGS_INTC_H -+#define __ASM_MACH_LOONGSON1_REGS_INTC_H -+ -+#define LS1X_INTC_REG(n, x) \ -+ (ioremap(LS1X_INTC_BASE + (n * 0x18) + (x), 4)) -+ -+#define LS1X_INTC_INTISR(n) LS1X_INTC_REG(n, 0x0) -+#define LS1X_INTC_INTIEN(n) LS1X_INTC_REG(n, 0x4) -+#define LS1X_INTC_INTSET(n) LS1X_INTC_REG(n, 0x8) -+#define LS1X_INTC_INTCLR(n) LS1X_INTC_REG(n, 0xc) -+#define LS1X_INTC_INTPOL(n) LS1X_INTC_REG(n, 0x10) -+#define LS1X_INTC_INTEDGE(n) LS1X_INTC_REG(n, 0x14) -+ -+#endif /* __ASM_MACH_LOONGSON1_REGS_INTC_H */ -diff --git a/arch/mips/include/asm/module.h b/arch/mips/include/asm/module.h -index 44b705d..c28a782 100644 ---- a/arch/mips/include/asm/module.h -+++ b/arch/mips/include/asm/module.h -@@ -126,6 +126,8 @@ search_module_dbetables(unsigned long addr) - #define MODULE_PROC_FAMILY "LOONGSON1 " - #elif defined CONFIG_CPU_LOONGSON2 - #define MODULE_PROC_FAMILY "LOONGSON2 " -+#elif defined CONFIG_CPU_LOONGSON1 -+#define MODULE_PROC_FAMILY "LOONGSON1 " - #elif defined CONFIG_CPU_CAVIUM_OCTEON - #define MODULE_PROC_FAMILY "OCTEON " - #elif defined CONFIG_CPU_XLR -diff --git a/arch/mips/include/asm/timex.h b/arch/mips/include/asm/timex.h -index c542475..74fef34 100644 ---- a/arch/mips/include/asm/timex.h -+++ b/arch/mips/include/asm/timex.h -@@ -10,6 +10,10 @@ - - #ifdef __KERNEL__ - -+#ifdef CONFIG_CSRC_R4K -+#define ARCH_HAS_PREPARED_LPJ -+#endif -+ - #include - #include - #include -diff --git a/arch/mips/include/uapi/asm/inst.h b/arch/mips/include/uapi/asm/inst.h -index f25181b..d243152 100644 ---- a/arch/mips/include/uapi/asm/inst.h -+++ b/arch/mips/include/uapi/asm/inst.h -@@ -62,6 +62,8 @@ enum spec_op { - enum spec2_op { - madd_op, maddu_op, mul_op, spec2_3_unused_op, - msub_op, msubu_op, /* more unused ops */ -+ loongson_madd_op = 0x18, loongson_msub_op, -+ loongson_nmadd_op, loongson_nmsub_op, - clz_op = 0x20, clo_op, - dclz_op = 0x24, dclo_op, - sdbpp_op = 0x3f -@@ -135,7 +137,7 @@ enum cop0_com_func { - */ - enum cop1_fmt { - s_fmt, d_fmt, e_fmt, q_fmt, -- w_fmt, l_fmt -+ w_fmt, l_fmt, ps_fmt - }; - - /* -@@ -164,7 +166,8 @@ enum cop1_sdw_func { - enum cop1x_func { - lwxc1_op = 0x00, ldxc1_op = 0x01, - swxc1_op = 0x08, sdxc1_op = 0x09, -- pfetch_op = 0x0f, madd_s_op = 0x20, -+ pfetch_op = 0x0f, -+ prefx_op = 0x17, madd_s_op = 0x20, - madd_d_op = 0x21, madd_e_op = 0x22, - msub_s_op = 0x28, msub_d_op = 0x29, - msub_e_op = 0x2a, nmadd_s_op = 0x30, -diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S -index 6788727..0f81805 100644 ---- a/arch/mips/kernel/scall64-o32.S -+++ b/arch/mips/kernel/scall64-o32.S -@@ -26,6 +26,18 @@ - - .align 5 - NESTED(handle_sys, PT_SIZE, sp) -+#ifdef CONFIG_MIPS_USER_RDTSC -+ MFC0 k0, CP0_EPC -+ lw k1, 0(k0) -+ sltiu k1, k1, 0x1c -+ bne k1, zero, 1f # Normal syscall code: 0x0c < 0x1c -+ nop -+ mfc0 v0, CP0_COUNT # Get TSC -+ PTR_ADDIU k0, 4 # ret from syscall -+ MTC0 k0, CP0_EPC -+ eret -+1: -+#endif /* CONFIG_MIPS_USER_RDTSC */ - .set noat - SAVE_SOME - TRACE_IRQS_ON_RELOAD -diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c -index dcb8e5d..45177bc 100644 ---- a/arch/mips/kernel/time.c -+++ b/arch/mips/kernel/time.c -@@ -120,6 +120,11 @@ static __init int cpu_has_mfc0_count_bug(void) - - void __init time_init(void) - { -+#ifdef CONFIG_HR_SCHED_CLOCK -+ if (!mips_clockevent_init() || !cpu_has_mfc0_count_bug()) -+ write_c0_count(0); -+#endif -+ - plat_time_init(); - - /* -diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile -index eeddc58..d7bec00 100644 ---- a/arch/mips/lib/Makefile -+++ b/arch/mips/lib/Makefile -@@ -2,10 +2,14 @@ - # Makefile for MIPS-specific library files.. - # - --lib-y += bitops.o csum_partial.o delay.o memcpy.o memset.o \ -+lib-y += bitops.o csum_partial.o memcpy.o memset.o \ - mips-atomic.o strlen_user.o strncpy_user.o \ - strnlen_user.o uncached.o - -+ifndef CONFIG_CSRC_R4K -+lib-y += delay.o -+endif -+ - obj-y += iomap.o - obj-$(CONFIG_PCI) += iomap-pci.o - -diff --git a/arch/mips/loongson/Kconfig b/arch/mips/loongson/Kconfig -index 263beb9..d56d594 100644 ---- a/arch/mips/loongson/Kconfig -+++ b/arch/mips/loongson/Kconfig -@@ -32,12 +32,12 @@ config LEMOTE_FULOONG2E - - config LEMOTE_MACH2F - bool "Lemote Loongson 2F family machines" -- select ARCH_SPARSEMEM_ENABLE -+ select ARCH_SPARSEMEM_ENABLE if HIBERNATION - select BOARD_SCACHE - select BOOT_ELF32 - select CEVT_R4K if ! MIPS_EXTERNAL_TIMER - select CPU_HAS_WB -- select CS5536 -+ select CS5536 if PCI - select CSRC_R4K if ! MIPS_EXTERNAL_TIMER - select DMA_NONCOHERENT - select GENERIC_ISA_DMA_SUPPORT_BROKEN -@@ -45,23 +45,68 @@ config LEMOTE_MACH2F - select HW_HAS_PCI - select I8259 - select IRQ_CPU -- select ISA - select SYS_HAS_CPU_LOONGSON2F - select SYS_HAS_EARLY_PRINTK - select SYS_SUPPORTS_32BIT_KERNEL - select SYS_SUPPORTS_64BIT_KERNEL -- select SYS_SUPPORTS_HIGHMEM -+ select SYS_SUPPORTS_HIGHMEM if ! EMBEDDED - select SYS_SUPPORTS_LITTLE_ENDIAN -- select LOONGSON_MC146818 -+ select LOONGSON_MC146818 if RTC_DRV_CMOS - help - Lemote Loongson 2F family machines utilize the 2F revision of - Loongson processor and the AMD CS5536 south bridge. - - These family machines include fuloong2f mini PC, yeeloong2f notebook, - LingLoong allinone PC and so forth. -+ -+config DEXXON_GDIUM -+ bool "Dexxon Gdium Netbook" -+ select ARCH_SPARSEMEM_ENABLE -+ select BOARD_SCACHE -+ select BOOT_ELF32 -+ select CEVT_R4K if ! MIPS_EXTERNAL_TIMER -+ select CPU_HAS_WB -+ select CSRC_R4K if ! MIPS_EXTERNAL_TIMER -+ select DMA_NONCOHERENT -+ select GENERIC_ISA_DMA_SUPPORT_BROKEN -+ select HW_HAS_PCI -+ select I8259 -+ select IRQ_CPU -+ select ISA -+ select SYS_HAS_CPU_LOONGSON2F -+ select SYS_HAS_EARLY_PRINTK -+ select SYS_SUPPORTS_32BIT_KERNEL -+ select SYS_SUPPORTS_64BIT_KERNEL -+ select SYS_SUPPORTS_HIGHMEM -+ select SYS_SUPPORTS_LITTLE_ENDIAN -+ select ARCH_REQUIRE_GPIOLIB -+ select HAVE_PWM if MFD_SM501 -+ help -+ Dexxon gdium netbook based on Loongson 2F and SM502. - endchoice - - config CS5536 -+ select CS5536_IDE if (PATA_AMD || BLK_DEV_AMD74XX || PATA_CS5536) -+ select CS5536_OHCI if USB_OHCI_HCD -+ select CS5536_EHCI if USB_EHCI_HCD -+ select CS5536_AUDIO if SND_CS5535AUDIO -+ select CS5536_ISA -+ bool -+ -+config CS5536_ISA -+ select ISA -+ bool -+ -+config CS5536_IDE -+ bool -+ -+config CS5536_OHCI -+ bool -+ -+config CS5536_EHCI -+ bool -+ -+config CS5536_AUDIO - bool - - config CS5536_MFGPT -@@ -81,13 +126,25 @@ config LOONGSON_SUSPEND - default y - depends on CPU_SUPPORTS_CPUFREQ && SUSPEND - --config LOONGSON_UART_BASE -- bool -- default y -- depends on EARLY_PRINTK || SERIAL_8250 -- - config LOONGSON_MC146818 - bool - default n - -+config GDIUM_PWM_CLOCK -+ tristate "Gdium PWM Timer" -+ default n -+ depends on HAVE_PWM && EXPERIMENTAL && BROKEN -+ select MIPS_EXTERNAL_TIMER -+ help -+ This options enables the experimental sm501-pwm based clock. With it, -+ you may be possible to use the loongson2f cpufreq driver. -+ -+config GDIUM_VERSION -+ int "Configure Gdium Version" -+ depends on DEXXON_GDIUM -+ default "3" -+ help -+ I have no information about how to determine which version your board -+ is, If the default config doesn't work for it, please change it to -+ smaller ones. - endif # MACH_LOONGSON -diff --git a/arch/mips/loongson/Makefile b/arch/mips/loongson/Makefile -index 0dc0055..4b69866 100644 ---- a/arch/mips/loongson/Makefile -+++ b/arch/mips/loongson/Makefile -@@ -15,3 +15,9 @@ obj-$(CONFIG_LEMOTE_FULOONG2E) += fuloong-2e/ - # - - obj-$(CONFIG_LEMOTE_MACH2F) += lemote-2f/ -+ -+# -+# Dexxon gdium netbook, based on loongson 2F and SM502 -+# -+ -+obj-$(CONFIG_DEXXON_GDIUM) += gdium/ -diff --git a/arch/mips/loongson/Platform b/arch/mips/loongson/Platform -index 29692e5..6be5dff 100644 ---- a/arch/mips/loongson/Platform -+++ b/arch/mips/loongson/Platform -@@ -30,3 +30,4 @@ platform-$(CONFIG_MACH_LOONGSON) += loongson/ - cflags-$(CONFIG_MACH_LOONGSON) += -I$(srctree)/arch/mips/include/asm/mach-loongson -mno-branch-likely - load-$(CONFIG_LEMOTE_FULOONG2E) += 0xffffffff80100000 - load-$(CONFIG_LEMOTE_MACH2F) += 0xffffffff80200000 -+load-$(CONFIG_DEXXON_GDIUM) += 0xffffffff80200000 -diff --git a/arch/mips/loongson/common/Makefile b/arch/mips/loongson/common/Makefile -index 9e4484c..73f1f9f 100644 ---- a/arch/mips/loongson/common/Makefile -+++ b/arch/mips/loongson/common/Makefile -@@ -12,7 +12,6 @@ obj-$(CONFIG_PCI) += pci.o - # - obj-$(CONFIG_EARLY_PRINTK) += early_printk.o - obj-$(CONFIG_SERIAL_8250) += serial.o --obj-$(CONFIG_LOONGSON_UART_BASE) += uart_base.o - obj-$(CONFIG_LOONGSON_MC146818) += rtc.o - - # -diff --git a/arch/mips/loongson/common/cmdline.c b/arch/mips/loongson/common/cmdline.c -index 72fed00..96d5919 100644 ---- a/arch/mips/loongson/common/cmdline.c -+++ b/arch/mips/loongson/common/cmdline.c -@@ -17,10 +17,15 @@ - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ -+#include - #include - - #include - -+/* the kernel command line copied from arcs_cmdline */ -+char loongson_cmdline[COMMAND_LINE_SIZE]; -+EXPORT_SYMBOL(loongson_cmdline); -+ - void __init prom_init_cmdline(void) - { - int prom_argc; -@@ -45,4 +50,31 @@ void __init prom_init_cmdline(void) - } - - prom_init_machtype(); -+ -+ /* append machine specific command line */ -+ switch (mips_machtype) { -+ case MACH_LEMOTE_LL2F: -+ if ((strstr(arcs_cmdline, "video=")) == NULL) -+ strcat(arcs_cmdline, " video=sisfb:1360x768-16@60"); -+ break; -+ case MACH_LEMOTE_FL2F: -+ if ((strstr(arcs_cmdline, "ide_core.ignore_cable=")) == NULL) -+ strcat(arcs_cmdline, " ide_core.ignore_cable=0"); -+ break; -+ case MACH_LEMOTE_ML2F7: -+ /* Mengloong-2F has a 800x480 screen */ -+ if ((strstr(arcs_cmdline, "vga=")) == NULL) -+ strcat(arcs_cmdline, " vga=0x313"); -+ break; -+ case MACH_DEXXON_GDIUM2F10: -+ /* gdium has a 1024x600 screen */ -+ if ((strstr(arcs_cmdline, "video=")) == NULL) -+ strcat(arcs_cmdline, " video=sm501fb:1024x600@60"); -+ break; -+ default: -+ break; -+ } -+ -+ /* copy arcs_cmdline into loongson_cmdline */ -+ strncpy(loongson_cmdline, arcs_cmdline, COMMAND_LINE_SIZE); - } -diff --git a/arch/mips/loongson/common/cs5536/Makefile b/arch/mips/loongson/common/cs5536/Makefile -index f12e640..70f6057 100644 ---- a/arch/mips/loongson/common/cs5536/Makefile -+++ b/arch/mips/loongson/common/cs5536/Makefile -@@ -2,8 +2,13 @@ - # Makefile for CS5536 support. - # - --obj-$(CONFIG_CS5536) += cs5536_pci.o cs5536_ide.o cs5536_acc.o cs5536_ohci.o \ -- cs5536_isa.o cs5536_ehci.o -+obj-$(CONFIG_CS5536) += cs5536_pci.o -+ -+obj-$(CONFIG_ISA) += cs5536_isa.o -+obj-$(CONFIG_CS5536_IDE) += cs5536_ide.o -+obj-$(CONFIG_CS5536_AUDIO) += cs5536_acc.o -+obj-$(CONFIG_CS5536_OHCI) += cs5536_ohci.o -+obj-$(CONFIG_CS5536_EHCI) += cs5536_ehci.o - - # - # Enable cs5536 mfgpt Timer -diff --git a/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c b/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c -index c639b9d..a7078ae 100644 ---- a/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c -+++ b/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c -@@ -7,6 +7,9 @@ - * Copyright (C) 2009 Lemote Inc. - * Author: Wu zhangjin, wuzhangjin@gmail.com - * -+ * Copyright (C) 2010 Lemote Inc. -+ * Author: Gang Liang, randomizedthinking@gmail.com -+ * - * Reference: AMD Geode(TM) CS5536 Companion Device Data Book - * - * This program is free software; you can redistribute it and/or modify it -@@ -15,11 +18,24 @@ - * option) any later version. - */ - -+/* -+ * The MFGPT base address is variable, i.e., it could change over time. In -+ * reality, it only changes once when setting up the PCI memory mapping (occurs -+ * about 0.2 second from boot). But because of this, we have to read in the -+ * mfgpt base address repeatly in the beginning of various routines, most -+ * noticeably, mfgpt1_read_cycle (for sched_clock), and mfgpt1_interrupt. -+ * -+ * The source of problem is that PMON and the current cs5536 set up pci -+ * register window differently (to be further confirmed). Can we set -+ * them the same so as to save the trouble here? -+ * -+ * Now an ugly hack is used to save a few CPU cycles... likely an -+ * over-optimization. Feel free to remove it. -+ */ -+ - #include - #include - #include --#include --#include - #include - #include - -@@ -27,108 +43,143 @@ - - #include - --DEFINE_SPINLOCK(mfgpt_lock); --EXPORT_SYMBOL(mfgpt_lock); -+static void mfgpt0_set_mode(enum clock_event_mode, struct clock_event_device*); -+static int mfgpt0_next_event(unsigned long, struct clock_event_device*); -+static irqreturn_t mfgpt0_interrupt(int irq, void *dev_id); -+static void mfgpt0_start_timer(u16 delta); - -+static cycle_t mfgpt1_read_cycle(struct clocksource *cs); -+ -+static enum clock_event_mode mfgpt0_mode = CLOCK_EVT_MODE_SHUTDOWN; - static u32 mfgpt_base; - --/* -- * Initialize the MFGPT timer. -- * -- * This is also called after resume to bring the MFGPT into operation again. -- */ -+static struct clock_event_device mfgpt0_clockevent = { -+ .name = "mfgpt0", -+ .features = CLOCK_EVT_MODE_ONESHOT | CLOCK_EVT_FEAT_PERIODIC, -+ .set_mode = mfgpt0_set_mode, -+ .set_next_event = mfgpt0_next_event, -+ .rating = 220, -+ .irq = CS5536_MFGPT_INTR, -+}; -+ -+static struct irqaction irq5 = { -+ .handler = mfgpt0_interrupt, -+ .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_TIMER, -+ .name = "mfgpt0-timer" -+}; -+ -+static struct clocksource mfgpt1_clocksource = { -+ .name = "mfgpt1", -+ .rating = 210, -+ .read = mfgpt1_read_cycle, -+ .mask = CLOCKSOURCE_MASK(16), -+ .flags = CLOCK_SOURCE_IS_CONTINUOUS -+}; - --/* disable counter */ --void disable_mfgpt0_counter(void) -+static inline void enable_mfgpt0_counter(void) - { -- outw(inw(MFGPT0_SETUP) & 0x7fff, MFGPT0_SETUP); -+ u32 basehi; -+ _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_MFGPT), &basehi, &mfgpt_base); -+ -+ /* clockevent: 14M, divisor = 8 (scale=3), CMP2 event mode */ -+ outw(MFGPT_SETUP_ACK | MFGPT_SETUP_CMP2EVT | -+ MFGPT_SETUP_CLOCK(1) | MFGPT_SETUP_SCALE(3), MFGPT0_SETUP); -+ outw(0, MFGPT0_CNT); -+ outw(MFGPT_COMPARE(1, 3), MFGPT0_CMP2); -+ outw(0xFFFF, MFGPT0_SETUP); - } --EXPORT_SYMBOL(disable_mfgpt0_counter); - --/* enable counter, comparator2 to event mode, 14.318MHz clock */ --void enable_mfgpt0_counter(void) -+static inline void enable_mfgpt1_counter(void) - { -- outw(0xe310, MFGPT0_SETUP); -+ u32 basehi; -+ _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_MFGPT), &basehi, &mfgpt_base); -+ -+ /* clocksource: 32K w/ divisor = 2 (scale=1) */ -+ outw(MFGPT_SETUP_ACK | MFGPT_SETUP_CLOCK(0) | -+ MFGPT_SETUP_SCALE(1), MFGPT1_SETUP); -+ -+ outw(0, MFGPT1_CNT); -+ outw(0xFFFF, MFGPT1_CMP2); /* CNT won't tick with no CMP set */ -+ outw(0xFFFF, MFGPT1_SETUP); - } --EXPORT_SYMBOL(enable_mfgpt0_counter); - --static void init_mfgpt_timer(enum clock_event_mode mode, -- struct clock_event_device *evt) -+void enable_mfgpt_counter(void) - { -- spin_lock(&mfgpt_lock); -- -- switch (mode) { -- case CLOCK_EVT_MODE_PERIODIC: -- outw(COMPARE, MFGPT0_CMP2); /* set comparator2 */ -- outw(0, MFGPT0_CNT); /* set counter to 0 */ -- enable_mfgpt0_counter(); -- break; -- -- case CLOCK_EVT_MODE_SHUTDOWN: -- case CLOCK_EVT_MODE_UNUSED: -- if (evt->mode == CLOCK_EVT_MODE_PERIODIC || -- evt->mode == CLOCK_EVT_MODE_ONESHOT) -- disable_mfgpt0_counter(); -- break; -- -- case CLOCK_EVT_MODE_ONESHOT: -- /* The oneshot mode have very high deviation, Not use it! */ -- break; -- -- case CLOCK_EVT_MODE_RESUME: -- /* Nothing to do here */ -- break; -- } -- spin_unlock(&mfgpt_lock); -+ /* TODO: add a mfgpt system hard reset here -+ * timers might not reset correctly when OS crashes -+ */ -+ -+ enable_mfgpt0_counter(); -+ enable_mfgpt1_counter(); - } -+EXPORT_SYMBOL(enable_mfgpt_counter); - --static struct clock_event_device mfgpt_clockevent = { -- .name = "mfgpt", -- .features = CLOCK_EVT_FEAT_PERIODIC, -- .set_mode = init_mfgpt_timer, -- .irq = CS5536_MFGPT_INTR, --}; -+void disable_mfgpt_counter(void) -+{ -+ outw(0x7FFF, MFGPT0_SETUP); -+ outw(0x7FFF, MFGPT1_SETUP); -+} -+EXPORT_SYMBOL(disable_mfgpt_counter); - --static irqreturn_t timer_interrupt(int irq, void *dev_id) -+static void mfgpt0_start_timer(u16 delta) - { -- u32 basehi; -+ outw(0x7FFF, MFGPT0_SETUP); -+ outw(0, MFGPT0_CNT); -+ outw(delta, MFGPT0_CMP2); -+ outw(0xFFFF, MFGPT0_SETUP); -+} - -- /* -- * get MFGPT base address -- * -- * NOTE: do not remove me, it's need for the value of mfgpt_base is -- * variable -- */ -+static void mfgpt0_set_mode(enum clock_event_mode mode, -+ struct clock_event_device *evt) -+{ -+ outw(0x7FFF, MFGPT0_SETUP); -+ if (mode == CLOCK_EVT_MODE_PERIODIC) -+ mfgpt0_start_timer(MFGPT_COMPARE(1, 3)); -+ -+ mfgpt0_mode = mode; -+} -+ -+static int mfgpt0_next_event(unsigned long delta, -+ struct clock_event_device *evt) -+{ -+ mfgpt0_start_timer(delta); -+ return 0; -+} -+ -+static irqreturn_t mfgpt0_interrupt(int irq, void *dev_id) -+{ -+ u32 basehi; - _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_MFGPT), &basehi, &mfgpt_base); - -- /* ack */ -- outw(inw(MFGPT0_SETUP) | 0x4000, MFGPT0_SETUP); -+ /* stop the timer and ack the interrupt */ -+ outw(0x7FFF, MFGPT0_SETUP); - -- mfgpt_clockevent.event_handler(&mfgpt_clockevent); -+ if (mfgpt0_mode == CLOCK_EVT_MODE_SHUTDOWN) -+ return IRQ_HANDLED; - -+ /* restart timer for periodic mode */ -+ if (mfgpt0_mode == CLOCK_EVT_MODE_PERIODIC) -+ outw(0xFFFF, MFGPT0_SETUP); -+ -+ mfgpt0_clockevent.event_handler(&mfgpt0_clockevent); - return IRQ_HANDLED; - } - --static struct irqaction irq5 = { -- .handler = timer_interrupt, -- .flags = IRQF_NOBALANCING | IRQF_TIMER, -- .name = "timer" --}; -- - /* - * Initialize the conversion factor and the min/max deltas of the clock event - * structure and register the clock event source with the framework. - */ - void __init setup_mfgpt0_timer(void) - { -- u32 basehi; -- struct clock_event_device *cd = &mfgpt_clockevent; -+ struct clock_event_device *cd = &mfgpt0_clockevent; - unsigned int cpu = smp_processor_id(); -- - cd->cpumask = cpumask_of(cpu); -- clockevent_set_clock(cd, MFGPT_TICK_RATE); -- cd->max_delta_ns = clockevent_delta2ns(0xffff, cd); -- cd->min_delta_ns = clockevent_delta2ns(0xf, cd); -+ -+ cd->shift = 22; -+ cd->mult = div_sc(MFGPT_TICK_RATE(1, 3), NSEC_PER_SEC, cd->shift); -+ -+ cd->min_delta_ns = clockevent_delta2ns(0xF, cd); -+ cd->max_delta_ns = clockevent_delta2ns(0xFFFF, cd); - - /* Enable MFGPT0 Comparator 2 Output to the Interrupt Mapper */ - _wrmsr(DIVIL_MSR_REG(MFGPT_IRQ), 0, 0x100); -@@ -136,79 +187,24 @@ void __init setup_mfgpt0_timer(void) - /* Enable Interrupt Gate 5 */ - _wrmsr(DIVIL_MSR_REG(PIC_ZSEL_LOW), 0, 0x50000); - -- /* get MFGPT base address */ -- _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_MFGPT), &basehi, &mfgpt_base); -- -+ enable_mfgpt0_counter(); - clockevents_register_device(cd); -- - setup_irq(CS5536_MFGPT_INTR, &irq5); - } - --/* -- * Since the MFGPT overflows every tick, its not very useful -- * to just read by itself. So use jiffies to emulate a free -- * running counter: -- */ --static cycle_t mfgpt_read(struct clocksource *cs) -+static cycle_t mfgpt1_read_cycle(struct clocksource *cs) - { -- unsigned long flags; -- int count; -- u32 jifs; -- static int old_count; -- static u32 old_jifs; -- -- spin_lock_irqsave(&mfgpt_lock, flags); -- /* -- * Although our caller may have the read side of xtime_lock, -- * this is now a seqlock, and we are cheating in this routine -- * by having side effects on state that we cannot undo if -- * there is a collision on the seqlock and our caller has to -- * retry. (Namely, old_jifs and old_count.) So we must treat -- * jiffies as volatile despite the lock. We read jiffies -- * before latching the timer count to guarantee that although -- * the jiffies value might be older than the count (that is, -- * the counter may underflow between the last point where -- * jiffies was incremented and the point where we latch the -- * count), it cannot be newer. -- */ -- jifs = jiffies; -- /* read the count */ -- count = inw(MFGPT0_CNT); -- -- /* -- * It's possible for count to appear to go the wrong way for this -- * reason: -- * -- * The timer counter underflows, but we haven't handled the resulting -- * interrupt and incremented jiffies yet. -- * -- * Previous attempts to handle these cases intelligently were buggy, so -- * we just do the simple thing now. -- */ -- if (count < old_count && jifs == old_jifs) -- count = old_count; -- -- old_count = count; -- old_jifs = jifs; -- -- spin_unlock_irqrestore(&mfgpt_lock, flags); -- -- return (cycle_t) (jifs * COMPARE) + count; -+ return inw(MFGPT1_CNT); - } - --static struct clocksource clocksource_mfgpt = { -- .name = "mfgpt", -- .rating = 120, /* Functional for real use, but not desired */ -- .read = mfgpt_read, -- .mask = CLOCKSOURCE_MASK(32), --}; -- --int __init init_mfgpt_clocksource(void) -+int __init init_mfgpt1_clocksource(void) - { - if (num_possible_cpus() > 1) /* MFGPT does not scale! */ - return 0; - -- return clocksource_register_hz(&clocksource_mfgpt, MFGPT_TICK_RATE); -+ enable_mfgpt1_counter(); -+ -+ return clocksource_register_hz(&mfgpt1_clocksource, MFGPT_TICK_RATE(0, 1)); - } - --arch_initcall(init_mfgpt_clocksource); -+arch_initcall(init_mfgpt1_clocksource); -diff --git a/arch/mips/loongson/common/early_printk.c b/arch/mips/loongson/common/early_printk.c -index ced461b..89aecbf 100644 ---- a/arch/mips/loongson/common/early_printk.c -+++ b/arch/mips/loongson/common/early_printk.c -@@ -10,9 +10,13 @@ - * option) any later version. - */ - #include -+#include -+#include - - #include - -+unsigned long _loongson_uart_base; -+ - #define PORT(base, offset) (u8 *)(base + offset) - - static inline unsigned int serial_in(unsigned char *base, int offset) -@@ -39,3 +43,29 @@ void prom_putchar(char c) - - serial_out(uart_base, UART_TX, c); - } -+ -+void __init prom_init_uart_base(void) -+{ -+ unsigned long loongson_uart_base; -+ -+ switch (mips_machtype) { -+ case MACH_LEMOTE_FL2E: -+ loongson_uart_base = LOONGSON_PCIIO_BASE + 0x3f8; -+ break; -+ case MACH_LEMOTE_FL2F: -+ case MACH_LEMOTE_LL2F: -+ loongson_uart_base = LOONGSON_PCIIO_BASE + 0x2f8; -+ break; -+ case MACH_LEMOTE_ML2F7: -+ case MACH_LEMOTE_YL2F89: -+ case MACH_DEXXON_GDIUM2F10: -+ case MACH_LEMOTE_NAS: -+ default: -+ /* The CPU provided serial port */ -+ loongson_uart_base = LOONGSON_LIO1_BASE + 0x3f8; -+ break; -+ } -+ -+ _loongson_uart_base = -+ (unsigned long)ioremap_nocache(loongson_uart_base, 8); -+} -diff --git a/arch/mips/loongson/common/init.c b/arch/mips/loongson/common/init.c -index ae7af1f..3083978 100644 ---- a/arch/mips/loongson/common/init.c -+++ b/arch/mips/loongson/common/init.c -@@ -30,8 +30,10 @@ void __init prom_init(void) - prom_init_env(); - prom_init_memory(); - -+#ifdef CONFIG_EARLY_PRINTK - /*init the uart base address */ - prom_init_uart_base(); -+#endif - } - - void __init prom_free_prom_memory(void) -diff --git a/arch/mips/loongson/common/irq.c b/arch/mips/loongson/common/irq.c -index 687003b..d62fa77 100644 ---- a/arch/mips/loongson/common/irq.c -+++ b/arch/mips/loongson/common/irq.c -@@ -10,6 +10,10 @@ - #include - #include - -+#include -+#include -+#include -+ - #include - /* - * the first level int-handler will jump here if it is a bonito irq -@@ -48,20 +52,32 @@ asmlinkage void plat_irq_dispatch(void) - void __init arch_init_irq(void) - { - /* -- * Clear all of the interrupts while we change the able around a bit. -- * int-handler is not on bootstrap -+ * The vector addresses of the generic exceptions are in the cached -+ * address space. - */ -- clear_c0_status(ST0_IM | ST0_BEV); -+ clear_c0_status(ST0_BEV); - -- /* no steer */ -+ /* No steer */ - LOONGSON_INTSTEER = 0; - - /* -- * Mask out all interrupt by writing "1" to all bit position in -- * the interrupt reset reg. -+ * Clear all interrupts - */ - LOONGSON_INTENCLR = ~0; - -+ /* -+ * Sets the first-level interrupt dispatcher: -+ * -+ * 0-15: i8259 interrupt (If CONFIG_I8259 selected) -+ * 16-23: mips cpu interrupt -+ * 32-63: bonito irq -+ */ -+ mips_cpu_irq_init(); -+ bonito_irq_init(); -+#ifdef CONFIG_I8259 -+ init_i8259_irqs(); -+#endif -+ - /* machine specific irq init */ - mach_init_irq(); - } -diff --git a/arch/mips/loongson/common/mem.c b/arch/mips/loongson/common/mem.c -index 8626a42..7aea259 100644 ---- a/arch/mips/loongson/common/mem.c -+++ b/arch/mips/loongson/common/mem.c -@@ -14,39 +14,24 @@ - #include - #include - -+#define MB(x) ((x) << 20) -+ - void __init prom_init_memory(void) - { -- add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM); -- -- add_memory_region(memsize << 20, LOONGSON_PCI_MEM_START - (memsize << -- 20), BOOT_MEM_RESERVED); -- -+ add_memory_region(0x0, MB(memsize), BOOT_MEM_RAM); -+ add_memory_region(MB(memsize), LOONGSON_PCI_MEM_START - MB(memsize), BOOT_MEM_RESERVED); - #ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG -- { -- int bit; -- -- bit = fls(memsize + highmemsize); -- if (bit != ffs(memsize + highmemsize)) -- bit += 20; -- else -- bit = bit + 20 - 1; -- -- /* set cpu window3 to map CPU to DDR: 2G -> 2G */ -- LOONGSON_ADDRWIN_CPUTODDR(ADDRWIN_WIN3, 0x80000000ul, -- 0x80000000ul, (1 << bit)); -- mmiowb(); -- } --#endif /* !CONFIG_CPU_SUPPORTS_ADDRWINCFG */ -+ /* set cpu window3 to map CPU to DDR: 2G -> 0G */ -+ LOONGSON_ADDRWIN_CPUTODDR(ADDRWIN_WIN3, 0x80000000ul, 0, MB(memsize + highmemsize)); -+ mmiowb(); -+#endif - - #ifdef CONFIG_64BIT - if (highmemsize > 0) -- add_memory_region(LOONGSON_HIGHMEM_START, -- highmemsize << 20, BOOT_MEM_RAM); -- -+ add_memory_region(LOONGSON_HIGHMEM_START, MB(highmemsize), BOOT_MEM_RAM); - add_memory_region(LOONGSON_PCI_MEM_END + 1, LOONGSON_HIGHMEM_START - -- LOONGSON_PCI_MEM_END - 1, BOOT_MEM_RESERVED); -- --#endif /* !CONFIG_64BIT */ -+ LOONGSON_PCI_MEM_END - 1, BOOT_MEM_RESERVED); -+#endif - } - - /* override of arch/mips/mm/cache.c: __uncached_access */ -diff --git a/arch/mips/loongson/common/mtd.c b/arch/mips/loongson/common/mtd.c -new file mode 100644 -index 0000000..49a57a7 ---- /dev/null -+++ b/arch/mips/loongson/common/mtd.c -@@ -0,0 +1,91 @@ -+/* -+ * Driver for flushing/dumping ROM of PMON on loongson family machines -+ * -+ * Copyright (C) 2008-2009 Lemote Inc. -+ * Author: Yan Hua -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License as published by the -+ * Free Software Foundation; either version 2 of the License, or (at your -+ * option) any later version. -+ */ -+ -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+#include -+ -+#include -+ -+#define FLASH_PHYS_ADDR LOONGSON_BOOT_BASE -+#define FLASH_SIZE 0x080000 -+ -+#define FLASH_PARTITION0_ADDR 0x00000000 -+#define FLASH_PARTITION0_SIZE 0x00080000 -+ -+struct map_info flash_map = { -+ .name = "flash device", -+ .size = FLASH_SIZE, -+ .bankwidth = 1, -+}; -+ -+struct mtd_partition flash_parts[] = { -+ { -+ .name = "Bootloader", -+ .offset = FLASH_PARTITION0_ADDR, -+ .size = FLASH_PARTITION0_SIZE}, -+}; -+ -+#define PARTITION_COUNT ARRAY_SIZE(flash_parts) -+ -+static struct mtd_info *mymtd; -+ -+int __init init_flash(void) -+{ -+ printk(KERN_NOTICE "flash device: %x at %x\n", -+ FLASH_SIZE, FLASH_PHYS_ADDR); -+ -+ flash_map.phys = FLASH_PHYS_ADDR; -+ flash_map.virt = ioremap(FLASH_PHYS_ADDR, FLASH_SIZE); -+ -+ if (!flash_map.virt) { -+ printk(KERN_NOTICE "Failed to ioremap\n"); -+ return -EIO; -+ } -+ -+ simple_map_init(&flash_map); -+ -+ mymtd = do_map_probe("cfi_probe", &flash_map); -+ if (mymtd) { -+ add_mtd_partitions(mymtd, flash_parts, PARTITION_COUNT); -+ printk(KERN_NOTICE "pmon flash device initialized\n"); -+ return 0; -+ } -+ -+ iounmap((void *)flash_map.virt); -+ return -ENXIO; -+} -+ -+static void __exit cleanup_flash(void) -+{ -+ if (mymtd) { -+ del_mtd_partitions(mymtd); -+ map_destroy(mymtd); -+ } -+ if (flash_map.virt) { -+ iounmap((void *)flash_map.virt); -+ flash_map.virt = 0; -+ } -+} -+ -+module_init(init_flash); -+module_exit(cleanup_flash); -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Yanhua "); -+MODULE_DESCRIPTION("MTD driver for pmon flushing/dumping"); -diff --git a/arch/mips/loongson/common/pci.c b/arch/mips/loongson/common/pci.c -index fa77844..a992931 100644 ---- a/arch/mips/loongson/common/pci.c -+++ b/arch/mips/loongson/common/pci.c -@@ -50,11 +50,11 @@ static void __init setup_pcimap(void) - LOONGSON_PCIMAP_WIN(0, 0); - - /* -- * PCI-DMA to local mapping: [2G,2G+256M] -> [0M,256M] -+ * PCI-DMA to local mapping: [2G,4G] -> [0M,2G] - */ - LOONGSON_PCIBASE0 = 0x80000000ul; /* base: 2G -> mmap: 0M */ -- /* size: 256M, burst transmission, pre-fetch enable, 64bit */ -- LOONGSON_PCI_HIT0_SEL_L = 0xc000000cul; -+ /* size: 2G, burst transmission, pre-fetch enable, 64bit */ -+ LOONGSON_PCI_HIT0_SEL_L = 0x8000000cul; - LOONGSON_PCI_HIT0_SEL_H = 0xfffffffful; - LOONGSON_PCI_HIT1_SEL_L = 0x00000006ul; /* set this BAR as invalid */ - LOONGSON_PCI_HIT1_SEL_H = 0x00000000ul; -diff --git a/arch/mips/loongson/common/serial.c b/arch/mips/loongson/common/serial.c -index 5f2b78a..c828600 100644 ---- a/arch/mips/loongson/common/serial.c -+++ b/arch/mips/loongson/common/serial.c -@@ -10,6 +10,7 @@ - * Author: Wu Zhangjin (wuzhangjin@gmail.com) - */ - -+#include - #include - #include - #include -@@ -19,58 +20,44 @@ - #include - #include - --#define PORT(int) \ -+#define PORT(int, base_baud, io_type, port) \ - { \ - .irq = int, \ -- .uartclk = 1843200, \ -- .iotype = UPIO_PORT, \ -+ .uartclk = base_baud, \ -+ .iotype = io_type, \ - .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, \ - .regshift = 0, \ -+ .iobase = port, \ - } - --#define PORT_M(int) \ --{ \ -- .irq = MIPS_CPU_IRQ_BASE + (int), \ -- .uartclk = 3686400, \ -- .iotype = UPIO_MEM, \ -- .membase = (void __iomem *)NULL, \ -- .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, \ -- .regshift = 0, \ --} -- --static struct plat_serial8250_port uart8250_data[][2] = { -- [MACH_LOONGSON_UNKNOWN] {}, -- [MACH_LEMOTE_FL2E] {PORT(4), {} }, -- [MACH_LEMOTE_FL2F] {PORT(3), {} }, -- [MACH_LEMOTE_ML2F7] {PORT_M(3), {} }, -- [MACH_LEMOTE_YL2F89] {PORT_M(3), {} }, -- [MACH_DEXXON_GDIUM2F10] {PORT_M(3), {} }, -- [MACH_LEMOTE_NAS] {PORT_M(3), {} }, -- [MACH_LEMOTE_LL2F] {PORT(3), {} }, -- [MACH_LOONGSON_END] {}, -+static struct plat_serial8250_port uart8250_data[] = { -+ /* ttyS0: cpu_uart0 Yeeloong, Gdium, UNAS, ... */ -+ PORT((MIPS_CPU_IRQ_BASE + 3), 3686400, UPIO_MEM, 0x3f8), -+ /* ttyS1: sb_uart1 2E */ -+ PORT(4, 1843200, UPIO_PORT, 0x3f8), -+ /* ttyS2: sb_uart2 fuloong2f */ -+ PORT(3, 1843200, UPIO_PORT, 0x2f8), -+ {}, - }; - - static struct platform_device uart8250_device = { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM, -+ .dev = { -+ .platform_data = uart8250_data, -+ }, - }; - - static int __init serial_init(void) - { -- unsigned char iotype; -- -- iotype = uart8250_data[mips_machtype][0].iotype; -- -- if (UPIO_MEM == iotype) -- uart8250_data[mips_machtype][0].membase = -- (void __iomem *)_loongson_uart_base; -- else if (UPIO_PORT == iotype) -- uart8250_data[mips_machtype][0].iobase = -- loongson_uart_base - LOONGSON_PCIIO_BASE; -- -- uart8250_device.dev.platform_data = uart8250_data[mips_machtype]; -+ uart8250_data[0].membase = (void __iomem *)ioremap_nocache( -+ LOONGSON_LIO1_BASE + uart8250_data[0].iobase, 8); - -- return platform_device_register(&uart8250_device); -+ platform_device_register(&uart8250_device); -+ return 0; - } - - device_initcall(serial_init); -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("liu shiwei "); -+MODULE_DESCRIPTION("loongson serial"); -diff --git a/arch/mips/loongson/common/time.c b/arch/mips/loongson/common/time.c -index 262a1f6..eebbeef 100644 ---- a/arch/mips/loongson/common/time.c -+++ b/arch/mips/loongson/common/time.c -@@ -10,6 +10,8 @@ - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ -+#include -+ - #include - #include - -@@ -24,8 +26,81 @@ void __init plat_time_init(void) - setup_mfgpt0_timer(); - } - -+#ifdef CONFIG_LOONGSON_MC146818 - void read_persistent_clock(struct timespec *ts) - { - ts->tv_sec = mc146818_get_cmos_time(); - ts->tv_nsec = 0; - } -+#else -+ -+/* If no CMOS RTC, use the one below */ -+ -+/* -+ * Cloned from drivers/rtc/hctosys.c -+ * -+ * If CONFIG_RTC_HCTOSYS=y is enabled, the system time can be set from the -+ * hardware clock(when boot and resuming from suspend), this may be also done -+ * (duplicately) by the timekeeper, which may need to be avoided(TODO). -+ * -+ * read_persistent_clock() may be useful in some places, e.g. there is not -+ * peristent clock in the system, we can use this to recover the system time. -+ * -+ * Note: The device indicated by CONFIG_RTC_HCTOSYS_DEVICE must be the one -+ * created by the RTC driver. Use Gdium as an example, We must disable the -+ * rt_cmos driver If we want to use the rtc_m41t80 driver for -+ * CONFIG_RTC_HCTOSYS_DEVICE is configured as /dev/rtc0, if rtc_cmos is -+ * enabled, rtc_cmos driver will be used, but it is not supported by Gdium. -+ * So, for Gdium, please ensure "# CONFIG_RTC_DRV_CMOS is not set" -+ */ -+ -+#ifdef CONFIG_RTC_HCTOSYS -+void read_persistent_clock(struct timespec *ts) -+{ -+ int err = -ENODEV; -+ struct rtc_time tm; -+ struct rtc_device *rtc; -+ -+ /* We can not access the RTC device before it is initialized ... */ -+ if (rtc_hctosys_ret != 0) { -+ ts->tv_sec = 0; -+ ts->tv_nsec = 0; -+ return; -+ } -+ -+ rtc = rtc_class_open(CONFIG_RTC_HCTOSYS_DEVICE); -+ -+ if (rtc == NULL) { -+ pr_err("%s: unable to open rtc device (%s)\n", -+ __FILE__, CONFIG_RTC_HCTOSYS_DEVICE); -+ goto err_open; -+ } -+ -+ err = rtc_read_time(rtc, &tm); -+ if (err) { -+ dev_err(rtc->dev.parent, -+ "hctosys: unable to read the hardware clock\n"); -+ goto err_read; -+ -+ } -+ -+ err = rtc_valid_tm(&tm); -+ if (err) { -+ dev_err(rtc->dev.parent, -+ "hctosys: invalid date/time\n"); -+ goto err_invalid; -+ } -+ -+ ts->tv_nsec = NSEC_PER_SEC >> 1, -+ rtc_tm_to_time(&tm, &ts->tv_sec); -+ -+err_invalid: -+err_read: -+ rtc_class_close(rtc); -+ -+err_open: -+ rtc_hctosys_ret = err; -+} -+#endif /* CONFIG_RTC_HCTOSYS */ -+ -+#endif /* !CONFIG_LOONGSON_MC146818 */ -diff --git a/arch/mips/loongson/common/uart_base.c b/arch/mips/loongson/common/uart_base.c -deleted file mode 100644 -index e192ad0..0000000 ---- a/arch/mips/loongson/common/uart_base.c -+++ /dev/null -@@ -1,45 +0,0 @@ --/* -- * Copyright (C) 2009 Lemote Inc. -- * Author: Wu Zhangjin, wuzhangjin@gmail.com -- * -- * This program is free software; you can redistribute it and/or modify it -- * under the terms of the GNU General Public License as published by the -- * Free Software Foundation; either version 2 of the License, or (at your -- * option) any later version. -- */ -- --#include --#include -- --#include -- --/* ioremapped */ --unsigned long _loongson_uart_base; --EXPORT_SYMBOL(_loongson_uart_base); --/* raw */ --unsigned long loongson_uart_base; --EXPORT_SYMBOL(loongson_uart_base); -- --void prom_init_loongson_uart_base(void) --{ -- switch (mips_machtype) { -- case MACH_LEMOTE_FL2E: -- loongson_uart_base = LOONGSON_PCIIO_BASE + 0x3f8; -- break; -- case MACH_LEMOTE_FL2F: -- case MACH_LEMOTE_LL2F: -- loongson_uart_base = LOONGSON_PCIIO_BASE + 0x2f8; -- break; -- case MACH_LEMOTE_ML2F7: -- case MACH_LEMOTE_YL2F89: -- case MACH_DEXXON_GDIUM2F10: -- case MACH_LEMOTE_NAS: -- default: -- /* The CPU provided serial port */ -- loongson_uart_base = LOONGSON_LIO1_BASE + 0x3f8; -- break; -- } -- -- _loongson_uart_base = -- (unsigned long)ioremap_nocache(loongson_uart_base, 8); --} -diff --git a/arch/mips/loongson/fuloong-2e/irq.c b/arch/mips/loongson/fuloong-2e/irq.c -index ef5ec8f..232930e 100644 ---- a/arch/mips/loongson/fuloong-2e/irq.c -+++ b/arch/mips/loongson/fuloong-2e/irq.c -@@ -9,7 +9,6 @@ - */ - #include - --#include - #include - - #include -@@ -57,11 +56,6 @@ void __init mach_init_irq(void) - LOONGSON_INTEDGE = LOONGSON_ICU_SYSTEMERR | LOONGSON_ICU_MASTERERR | - LOONGSON_ICU_RETRYERR | LOONGSON_ICU_MBOXES; - -- /* Sets the first-level interrupt dispatcher. */ -- mips_cpu_irq_init(); -- init_i8259_irqs(); -- bonito_irq_init(); -- - /* bonito irq at IP2 */ - setup_irq(MIPS_CPU_IRQ_BASE + 2, &cascade_irqaction); - /* 8259 irq at IP5 */ -diff --git a/arch/mips/loongson/gdium/Makefile b/arch/mips/loongson/gdium/Makefile -new file mode 100644 -index 0000000..f3f4f51 ---- /dev/null -+++ b/arch/mips/loongson/gdium/Makefile -@@ -0,0 +1,6 @@ -+# Makefile for gdium -+ -+obj-y += irq.o reset.o platform.o -+ -+obj-$(CONFIG_MFD_SM501) += sm501-pwm.o -+obj-$(CONFIG_GDIUM_PWM_CLOCK) += gdium-clock.o -diff --git a/arch/mips/loongson/gdium/gdium-clock.c b/arch/mips/loongson/gdium/gdium-clock.c -new file mode 100644 -index 0000000..fdbf42a ---- /dev/null -+++ b/arch/mips/loongson/gdium/gdium-clock.c -@@ -0,0 +1,234 @@ -+/* -+ * Doesn't work really well. When used, the clocksource is producing -+ * bad timings and the clockevent can't be used (don't have one shot feature -+ * thus can't switch on the fly and the pwm is initialised too late to be able -+ * to use it at boot time). -+ */ -+ -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+#include -+ -+#define CLOCK_PWM 1 -+#define CLOCK_PWM_FREQ 1500000 /* Freq in Hz */ -+#define CLOCK_LATCH ((CLOCK_PWM_FREQ + HZ/2) / HZ) -+#define CLOCK_PWM_PERIOD (1000000000/CLOCK_PWM_FREQ) /* period ns */ -+#define CLOCK_PWM_DUTY 50 -+#define CLOCK_PWM_IRQ (MIPS_CPU_IRQ_BASE + 4) -+ -+static const char drv_name[] = "gdium-clock"; -+ -+static struct pwm_device *clock_pwm; -+ -+static DEFINE_SPINLOCK(clock_pwm_lock); -+static uint64_t clock_tick; -+ -+static irqreturn_t gdium_pwm_clock_interrupt(int irq, void *dev_id) -+{ -+ struct clock_event_device *cd = dev_id; -+ unsigned long flag; -+ -+ spin_lock_irqsave(&clock_pwm_lock, flag); -+ clock_tick++; -+ /* wait intn2 to finish */ -+ do { -+ LOONGSON_INTENCLR = (1 << 13); -+ } while (LOONGSON_INTISR & (1 << 13)); -+ spin_unlock_irqrestore(&clock_pwm_lock, flag); -+ -+ if (cd && cd->event_handler) -+ cd->event_handler(cd); -+ -+ return IRQ_HANDLED; -+} -+ -+static cycle_t gdium_pwm_clock_read(struct clocksource *cs) -+{ -+ unsigned long flag; -+ uint32_t jifs; -+ uint64_t ticks; -+ -+ spin_lock_irqsave(&clock_pwm_lock, flag); -+ jifs = jiffies; -+ ticks = clock_tick; -+ spin_unlock_irqrestore(&clock_pwm_lock, flag); -+ /* return (cycle_t)ticks; */ -+ return (cycle_t)(CLOCK_LATCH * jifs); -+} -+ -+static struct clocksource gdium_pwm_clock_clocksource = { -+ .name = "gdium_csrc", -+ .read = gdium_pwm_clock_read, -+ .mask = CLOCKSOURCE_MASK(64), -+ .flags = CLOCK_SOURCE_IS_CONTINUOUS | CLOCK_SOURCE_MUST_VERIFY, -+ .shift = 20, -+}; -+ -+/* Debug fs */ -+static int gdium_pwm_clock_show(struct seq_file *s, void *p) -+{ -+ unsigned long flag; -+ uint64_t ticks; -+ -+ spin_lock_irqsave(&clock_pwm_lock, flag); -+ ticks = clock_tick; -+ spin_unlock_irqrestore(&clock_pwm_lock, flag); -+ seq_printf(s, "%lld\n", ticks); -+ return 0; -+} -+ -+static int gdium_pwm_clock_open(struct inode *inode, struct file *file) -+{ -+ return single_open(file, gdium_pwm_clock_show, inode->i_private); -+} -+ -+static const struct file_operations gdium_pwm_clock_fops = { -+ .open = gdium_pwm_clock_open, -+ .read = seq_read, -+ .llseek = seq_lseek, -+ .release = single_release, -+ .owner = THIS_MODULE, -+}; -+static struct dentry *debugfs_file; -+ -+static void gdium_pwm_clock_set_mode(enum clock_event_mode mode, -+ struct clock_event_device *evt) -+{ -+ /* Nothing to do ... */ -+} -+ -+static struct clock_event_device gdium_pwm_clock_cevt = { -+ .name = "gdium_cevt", -+ .features = CLOCK_EVT_FEAT_PERIODIC, -+ /* .mult, .shift, .max_delta_ns and .min_delta_ns left uninitialized */ -+ .rating = 299, -+ .irq = CLOCK_PWM_IRQ, -+ .set_mode = gdium_pwm_clock_set_mode, -+}; -+ -+static struct platform_device_id platform_device_ids[] = { -+ { -+ .name = "gdium-pwmclk", -+ }, -+ {} -+}; -+MODULE_DEVICE_TABLE(platform, platform_device_ids); -+ -+static struct platform_driver gdium_pwm_clock_driver = { -+ .driver = { -+ .name = drv_name, -+ .owner = THIS_MODULE, -+ }, -+ .id_table = platform_device_ids, -+}; -+ -+static int gdium_pwm_clock_drvinit(void) -+{ -+ int ret; -+ struct clocksource *cs = &gdium_pwm_clock_clocksource; -+ struct clock_event_device *cd = &gdium_pwm_clock_cevt; -+ unsigned int cpu = smp_processor_id(); -+ -+ clock_tick = 0; -+ -+ clock_pwm = pwm_request(CLOCK_PWM, drv_name); -+ if (clock_pwm == NULL) { -+ pr_err("unable to request PWM for Gdium clock\n"); -+ return -EBUSY; -+ } -+ ret = pwm_config(clock_pwm, CLOCK_PWM_DUTY, CLOCK_PWM_PERIOD); -+ if (ret) { -+ pr_err("unable to configure PWM for Gdium clock\n"); -+ goto err_pwm_request; -+ } -+ ret = pwm_enable(clock_pwm); -+ if (ret) { -+ pr_err("unable to enable PWM for Gdium clock\n"); -+ goto err_pwm_request; -+ } -+ -+ cd->cpumask = cpumask_of(cpu); -+ -+ cd->shift = 22; -+ cd->mult = div_sc(CLOCK_PWM_FREQ, NSEC_PER_SEC, cd->shift); -+ cd->max_delta_ns = clockevent_delta2ns(0x7FFF, cd); -+ cd->min_delta_ns = clockevent_delta2ns(0xF, cd); -+ clockevents_register_device(&gdium_pwm_clock_cevt); -+ -+ /* SM501 PWM1 connected to intn2 <->ip4 */ -+ LOONGSON_INTPOL = (1 << 13); -+ LOONGSON_INTEDGE &= ~(1 << 13); -+ ret = request_irq(CLOCK_PWM_IRQ, gdium_pwm_clock_interrupt, IRQF_DISABLED, drv_name, &gdium_pwm_clock_cevt); -+ if (ret) { -+ pr_err("Can't claim irq\n"); -+ goto err_pwm_disable; -+ } -+ -+ cs->rating = 200; -+ cs->mult = clocksource_hz2mult(CLOCK_PWM_FREQ, cs->shift); -+ ret = clocksource_register(&gdium_pwm_clock_clocksource); -+ if (ret) { -+ pr_err("Can't register clocksource\n"); -+ goto err_irq; -+ } -+ pr_info("Clocksource registered with shift %d and mult %d\n", -+ cs->shift, cs->mult); -+ -+ debugfs_file = debugfs_create_file(drv_name, S_IFREG | S_IRUGO, -+ NULL, NULL, &gdium_pwm_clock_fops); -+ -+ return 0; -+ -+err_irq: -+ free_irq(CLOCK_PWM_IRQ, &gdium_pwm_clock_cevt); -+err_pwm_disable: -+ pwm_disable(clock_pwm); -+err_pwm_request: -+ pwm_free(clock_pwm); -+ return ret; -+} -+ -+static void gdium_pwm_clock_drvexit(void) -+{ -+ free_irq(CLOCK_PWM_IRQ, &gdium_pwm_clock_cevt); -+ pwm_disable(clock_pwm); -+ pwm_free(clock_pwm); -+} -+ -+ -+static int __devinit gdium_pwm_clock_init(void) -+{ -+ int ret = gdium_pwm_clock_drvinit(); -+ -+ if (ret) { -+ pr_err("Fail to register gdium clock driver\n"); -+ return ret; -+ } -+ -+ return platform_driver_register(&gdium_pwm_clock_driver); -+} -+ -+static void __exit gdium_pwm_clock_cleanup(void) -+{ -+ gdium_pwm_clock_drvexit(); -+ platform_driver_unregister(&gdium_pwm_clock_driver); -+} -+ -+module_init(gdium_pwm_clock_init); -+module_exit(gdium_pwm_clock_cleanup); -+ -+MODULE_AUTHOR("Arnaud Patard "); -+MODULE_DESCRIPTION("Gdium PWM clock driver"); -+MODULE_LICENSE("GPL"); -+MODULE_ALIAS("platform:gdium-pwmclk"); -diff --git a/arch/mips/loongson/gdium/irq.c b/arch/mips/loongson/gdium/irq.c -new file mode 100644 -index 0000000..2415d20 ---- /dev/null -+++ b/arch/mips/loongson/gdium/irq.c -@@ -0,0 +1,55 @@ -+/* -+ * Copyright (C) 2007 Lemote Inc. -+ * Author: Fuxin Zhang, zhangfx@lemote.com -+ * -+ * Copyright (c) 2010 yajin -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License as published by the -+ * Free Software Foundation; either version 2 of the License, or (at your -+ * option) any later version. -+ */ -+ -+#include -+#include -+ -+#include -+#include -+ -+#define LOONGSON_TIMER_IRQ (MIPS_CPU_IRQ_BASE + 7) /* cpu timer */ -+#define LOONGSON_NORTH_BRIDGE_IRQ (MIPS_CPU_IRQ_BASE + 6) /* bonito */ -+#define LOONGSON_UART_IRQ (MIPS_CPU_IRQ_BASE + 3) /* cpu serial port */ -+ -+void mach_irq_dispatch(unsigned int pending) -+{ -+ if (pending & CAUSEF_IP7) -+ do_IRQ(LOONGSON_TIMER_IRQ); -+ else if (pending & CAUSEF_IP6) { /* North Bridge, Perf counter */ -+ do_perfcnt_IRQ(); -+ bonito_irqdispatch(); -+ } else if (pending & CAUSEF_IP3) /* CPU UART */ -+ do_IRQ(LOONGSON_UART_IRQ); -+#if defined(CONFIG_GDIUM_PWM_CLOCK) || defined(CONFIG_GDIUM_PWM_CLOCK_MODULE) -+ else if (pending & CAUSEF_IP4) /* SM501 PWM clock */ -+ do_IRQ(MIPS_CPU_IRQ_BASE + 4); -+#endif -+ else -+ spurious_interrupt(); -+} -+ -+static irqreturn_t ip6_action(int cpl, void *dev_id) -+{ -+ return IRQ_HANDLED; -+} -+ -+struct irqaction ip6_irqaction = { -+ .handler = ip6_action, -+ .name = "cascade", -+ .flags = IRQF_SHARED, -+}; -+ -+void __init mach_init_irq(void) -+{ -+ /* setup north bridge irq (bonito) */ -+ setup_irq(LOONGSON_NORTH_BRIDGE_IRQ, &ip6_irqaction); -+} -diff --git a/arch/mips/loongson/gdium/platform.c b/arch/mips/loongson/gdium/platform.c -new file mode 100644 -index 0000000..ffafba4 ---- /dev/null -+++ b/arch/mips/loongson/gdium/platform.c -@@ -0,0 +1,135 @@ -+/* -+ * Copyright (c) 2009 Philippe Vachon -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License as published by the -+ * Free Software Foundation; either version 2 of the License, or (at your -+ * option) any later version. -+ */ -+ -+#include -+#include -+#include -+#include -+#include -+#include -+ -+#define GDIUM_GPIO_BASE 224 -+ -+static struct i2c_board_info __initdata sm502dev_i2c_devices[] = { -+ { -+ I2C_BOARD_INFO("lm75", 0x48), -+ }, -+ { -+ I2C_BOARD_INFO("m41t83", 0x68), -+ }, -+ { -+ I2C_BOARD_INFO("gdium-laptop", 0x40), -+ }, -+}; -+ -+static int sm502dev_backlight_init(struct device *dev) -+{ -+ /* Add gpio request stuff here */ -+ return 0; -+} -+ -+static void sm502dev_backlight_exit(struct device *dev) -+{ -+ /* Add gpio free stuff here */ -+} -+ -+static struct platform_pwm_backlight_data backlight_data = { -+ .pwm_id = 0, -+ .max_brightness = 15, -+ .dft_brightness = 8, -+ .pwm_period_ns = 50000, /* 20 kHz */ -+ .init = sm502dev_backlight_init, -+ .exit = sm502dev_backlight_exit, -+}; -+ -+static struct platform_device backlight = { -+ .name = "pwm-backlight", -+ .dev = { -+ .platform_data = &backlight_data, -+ }, -+ .id = -1, -+}; -+ -+/* -+ * Warning this stunt is very dangerous -+ * as the sm501 gpio have dynamic numbers... -+ */ -+/* bus 0 is the one for the ST7, DS75 etc... */ -+static struct i2c_gpio_platform_data i2c_gpio0_data = { -+#if CONFIG_GDIUM_VERSION > 2 -+ .sda_pin = GDIUM_GPIO_BASE + 13, -+ .scl_pin = GDIUM_GPIO_BASE + 6, -+#else -+ .sda_pin = 192+15, -+ .scl_pin = 192+14, -+#endif -+ .udelay = 5, -+ .timeout = HZ / 10, -+ .sda_is_open_drain = 0, -+ .scl_is_open_drain = 0, -+}; -+ -+static struct platform_device i2c_gpio0_device = { -+ .name = "i2c-gpio", -+ .id = 0, -+ .dev = { .platform_data = &i2c_gpio0_data, }, -+}; -+ -+/* bus 1 is for the CRT/VGA external screen */ -+static struct i2c_gpio_platform_data i2c_gpio1_data = { -+ .sda_pin = GDIUM_GPIO_BASE + 10, -+ .scl_pin = GDIUM_GPIO_BASE + 9, -+ .udelay = 5, -+ .timeout = HZ / 10, -+ .sda_is_open_drain = 0, -+ .scl_is_open_drain = 0, -+}; -+ -+static struct platform_device i2c_gpio1_device = { -+ .name = "i2c-gpio", -+ .id = 1, -+ .dev = { .platform_data = &i2c_gpio1_data, }, -+}; -+ -+static struct platform_device gdium_clock = { -+ .name = "gdium-pwmclk", -+ .id = -1, -+}; -+ -+static struct platform_device *devices[] __initdata = { -+ &i2c_gpio0_device, -+ &i2c_gpio1_device, -+ &backlight, -+ &gdium_clock, -+}; -+ -+static int __init gdium_platform_devices_setup(void) -+{ -+ int ret; -+ -+ pr_info("Registering gdium platform devices\n"); -+ -+ ret = i2c_register_board_info(0, sm502dev_i2c_devices, -+ ARRAY_SIZE(sm502dev_i2c_devices)); -+ -+ if (ret != 0) { -+ pr_info("Error while registering platform devices: %d\n", ret); -+ return ret; -+ } -+ -+ platform_add_devices(devices, ARRAY_SIZE(devices)); -+ -+ return 0; -+} -+ -+/* -+ * some devices are on the pwm stuff which is behind the mfd which is -+ * behind the pci bus so arch_initcall can't work because too early -+ */ -+late_initcall(gdium_platform_devices_setup); -diff --git a/arch/mips/loongson/gdium/reset.c b/arch/mips/loongson/gdium/reset.c -new file mode 100644 -index 0000000..8289f95 ---- /dev/null -+++ b/arch/mips/loongson/gdium/reset.c -@@ -0,0 +1,22 @@ -+/* Board-specific reboot/shutdown routines -+ * -+ * Copyright (C) 2010 yajin -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License as published by the -+ * Free Software Foundation; either version 2 of the License, or (at your -+ * option) any later version. -+ */ -+#include -+ -+void mach_prepare_shutdown(void) -+{ -+ LOONGSON_GPIOIE &= ~(1<<1); -+ LOONGSON_GPIODATA |= (1<<1); -+} -+ -+void mach_prepare_reboot(void) -+{ -+ LOONGSON_GPIOIE &= ~(1<<2); -+ LOONGSON_GPIODATA &= ~(1<<2); -+} -diff --git a/arch/mips/loongson/gdium/sm501-pwm.c b/arch/mips/loongson/gdium/sm501-pwm.c -new file mode 100644 -index 0000000..5af3b23 ---- /dev/null -+++ b/arch/mips/loongson/gdium/sm501-pwm.c -@@ -0,0 +1,465 @@ -+/* -+ * SM501 PWM clock -+ * Copyright (C) 2009-2010 Arnaud Patard -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License as published by the -+ * Free Software Foundation; either version 2 of the License, or (at your -+ * option) any later version. -+ */ -+ -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+static const char drv_name[] = "sm501-pwm"; -+ -+#define INPUT_CLOCK 96 /* MHz */ -+#define PWM_COUNT 3 -+ -+#define SM501PWM_HIGH_COUNTER (1<<20) -+#define SM501PWM_LOW_COUNTER (1<<8) -+#define SM501PWM_CLOCK_DIVIDE (1>>4) -+#define SM501PWM_IP (1<<3) -+#define SM501PWM_I (1<<2) -+#define SM501PWM_E (1<<0) -+ -+struct pwm_device { -+ struct list_head node; -+ struct device *dev; -+ void __iomem *regs; -+ int duty_ns; -+ int period_ns; -+ char enabled; -+ void (*handler)(struct pwm_device *pwm); -+ -+ const char *label; -+ unsigned int use_count; -+ unsigned int pwm_id; -+}; -+ -+struct sm501pwm_info { -+ void __iomem *regs; -+ int irq; -+ struct resource *res; -+ struct device *dev; -+ struct dentry *debugfs; -+ -+ struct pwm_device pwm[3]; -+}; -+ -+int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns) -+{ -+ unsigned int high, low, divider; -+ int divider1, divider2; -+ unsigned long long delay; -+ -+ if (!pwm || !pwm->regs || period_ns == 0 || duty_ns > period_ns) -+ return -EINVAL; -+ -+ /* Get delay -+ * We're loosing some precision but multiplying then dividing -+ * will overflow -+ */ -+ if (period_ns > 1000) { -+ delay = period_ns / 1000; -+ delay *= INPUT_CLOCK; -+ } else { -+ delay = period_ns * 96; -+ delay /= 1000; -+ } -+ -+ /* Get the number of clock low and high */ -+ high = delay * duty_ns / period_ns; -+ low = delay - high; -+ -+ /* Get divider to make 'low' and 'high' fit into 12 bits */ -+ /* No need to say that the divider must be >= 0 */ -+ divider1 = fls(low)-12; -+ divider2 = fls(high)-12; -+ -+ if (divider1 < 0) -+ divider1 = 0; -+ if (divider2 < 0) -+ divider2 = 0; -+ -+ divider = max(divider1, divider2); -+ -+ low >>= divider; -+ high >>= divider; -+ -+ pwm->duty_ns = duty_ns; -+ pwm->period_ns = period_ns; -+ -+ writel((high<<20)|(low<<8)|(divider<<4), pwm->regs); -+ return 0; -+} -+EXPORT_SYMBOL(pwm_config); -+ -+int pwm_enable(struct pwm_device *pwm) -+{ -+ u32 reg; -+ -+ if (!pwm) -+ return -EINVAL; -+ -+ switch (pwm->pwm_id) { -+ case 0: -+ sm501_configure_gpio(pwm->dev->parent, 29, 1); -+ break; -+ case 1: -+ sm501_configure_gpio(pwm->dev->parent, 30, 1); -+ break; -+ case 2: -+ sm501_configure_gpio(pwm->dev->parent, 31, 1); -+ break; -+ default: -+ return -EINVAL; -+ } -+ -+ reg = readl(pwm->regs); -+ reg |= (SM501PWM_IP | SM501PWM_E); -+ writel(reg, pwm->regs); -+ pwm->enabled = 1; -+ -+ return 0; -+} -+EXPORT_SYMBOL(pwm_enable); -+ -+void pwm_disable(struct pwm_device *pwm) -+{ -+ u32 reg; -+ -+ if (!pwm) -+ return; -+ -+ reg = readl(pwm->regs); -+ reg &= ~(SM501PWM_IP | SM501PWM_E); -+ writel(reg, pwm->regs); -+ -+ switch (pwm->pwm_id) { -+ case 0: -+ sm501_configure_gpio(pwm->dev->parent, 29, 0); -+ break; -+ case 1: -+ sm501_configure_gpio(pwm->dev->parent, 30, 0); -+ break; -+ case 2: -+ sm501_configure_gpio(pwm->dev->parent, 31, 0); -+ break; -+ default: -+ break; -+ } -+ pwm->enabled = 0; -+} -+EXPORT_SYMBOL(pwm_disable); -+ -+static DEFINE_MUTEX(pwm_lock); -+static LIST_HEAD(pwm_list); -+ -+struct pwm_device *pwm_request(int pwm_id, const char *label) -+{ -+ struct pwm_device *pwm; -+ int found = 0; -+ -+ mutex_lock(&pwm_lock); -+ -+ list_for_each_entry(pwm, &pwm_list, node) { -+ if (pwm->pwm_id == pwm_id && pwm->use_count == 0) { -+ pwm->use_count++; -+ pwm->label = label; -+ found = 1; -+ break; -+ } -+ } -+ -+ mutex_unlock(&pwm_lock); -+ -+ return (found) ? pwm : NULL; -+} -+EXPORT_SYMBOL(pwm_request); -+ -+void pwm_free(struct pwm_device *pwm) -+{ -+ mutex_lock(&pwm_lock); -+ -+ if (pwm->use_count) { -+ pwm->use_count--; -+ pwm->label = NULL; -+ } else -+ dev_warn(pwm->dev, "PWM device already freed\n"); -+ -+ mutex_unlock(&pwm_lock); -+} -+EXPORT_SYMBOL(pwm_free); -+ -+int pwm_int_enable(struct pwm_device *pwm) -+{ -+ unsigned long conf; -+ -+ if (!pwm || !pwm->regs || !pwm->handler) -+ return -EINVAL; -+ -+ conf = readl(pwm->regs); -+ conf |= SM501PWM_I; -+ writel(conf, pwm->regs); -+ return 0; -+} -+EXPORT_SYMBOL(pwm_int_enable); -+ -+int pwm_int_disable(struct pwm_device *pwm) -+{ -+ unsigned long conf; -+ -+ if (!pwm || !pwm->regs || !pwm->handler) -+ return -EINVAL; -+ -+ conf = readl(pwm->regs); -+ conf &= ~SM501PWM_I; -+ writel(conf, pwm->regs); -+ return 0; -+} -+EXPORT_SYMBOL(pwm_int_disable); -+ -+int pwm_set_handler(struct pwm_device *pwm, -+ void (*handler)(struct pwm_device *pwm)) -+{ -+ if (!pwm || !handler) -+ return -EINVAL; -+ pwm->handler = handler; -+ return 0; -+} -+EXPORT_SYMBOL(pwm_set_handler); -+ -+static irqreturn_t sm501pwm_irq(int irq, void *dev_id) -+{ -+ unsigned long value; -+ struct sm501pwm_info *info = (struct sm501pwm_info *)dev_id; -+ struct pwm_device *pwm; -+ int i; -+ -+ value = sm501_modify_reg(info->dev->parent, SM501_IRQ_STATUS, 0, 0); -+ -+ /* Check is the interrupt is for us */ -+ if (value & (1<<22)) { -+ for (i = 0 ; i < PWM_COUNT ; i++) { -+ /* -+ * Find which pwm triggered the interrupt -+ * and ack -+ */ -+ value = readl(info->regs + i*4); -+ if (value & SM501PWM_IP) -+ writel(value | SM501PWM_IP, info->regs + i*4); -+ -+ pwm = &info->pwm[i]; -+ if (pwm->handler) -+ pwm->handler(pwm); -+ } -+ return IRQ_HANDLED; -+ } -+ -+ return IRQ_NONE; -+} -+ -+static void add_pwm(int id, struct sm501pwm_info *info) -+{ -+ struct pwm_device *pwm = &info->pwm[id]; -+ -+ pwm->use_count = 0; -+ pwm->pwm_id = id; -+ pwm->dev = info->dev; -+ pwm->regs = info->regs + id * 4; -+ -+ mutex_lock(&pwm_lock); -+ list_add_tail(&pwm->node, &pwm_list); -+ mutex_unlock(&pwm_lock); -+} -+ -+static void del_pwm(int id, struct sm501pwm_info *info) -+{ -+ struct pwm_device *pwm = &info->pwm[id]; -+ -+ pwm->use_count = 0; -+ pwm->pwm_id = -1; -+ mutex_lock(&pwm_lock); -+ list_del(&pwm->node); -+ mutex_unlock(&pwm_lock); -+} -+ -+/* Debug fs */ -+static int sm501pwm_show(struct seq_file *s, void *p) -+{ -+ struct pwm_device *pwm; -+ -+ mutex_lock(&pwm_lock); -+ list_for_each_entry(pwm, &pwm_list, node) { -+ if (pwm->use_count) { -+ seq_printf(s, "pwm-%d (%12s) %d %d %s\n", -+ pwm->pwm_id, pwm->label, -+ pwm->duty_ns, pwm->period_ns, -+ pwm->enabled ? "on" : "off"); -+ seq_printf(s, " %08x\n", readl(pwm->regs)); -+ } -+ } -+ mutex_unlock(&pwm_lock); -+ -+ return 0; -+} -+ -+static int sm501pwm_open(struct inode *inode, struct file *file) -+{ -+ return single_open(file, sm501pwm_show, inode->i_private); -+} -+ -+static const struct file_operations sm501pwm_fops = { -+ .open = sm501pwm_open, -+ .read = seq_read, -+ .llseek = seq_lseek, -+ .release = single_release, -+ .owner = THIS_MODULE, -+}; -+ -+static int __init sm501pwm_probe(struct platform_device *pdev) -+{ -+ struct sm501pwm_info *info; -+ struct device *dev = &pdev->dev; -+ struct resource *res; -+ int ret = 0; -+ int res_len; -+ int i; -+ -+ info = kzalloc(sizeof(struct sm501pwm_info), GFP_KERNEL); -+ if (!info) { -+ dev_err(dev, "Allocation failure\n"); -+ ret = -ENOMEM; -+ goto err; -+ } -+ info->dev = dev; -+ platform_set_drvdata(pdev, info); -+ -+ /* Get irq number */ -+ info->irq = platform_get_irq(pdev, 0); -+ if (!info->irq) { -+ dev_err(dev, "no irq found\n"); -+ ret = -ENODEV; -+ goto err_alloc; -+ } -+ -+ /* Get regs address */ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (res == NULL) { -+ dev_err(dev, "No memory resource found\n"); -+ ret = -ENODEV; -+ goto err_alloc; -+ } -+ info->res = res; -+ res_len = (res->end - res->start)+1; -+ -+ if (!request_mem_region(res->start, res_len, drv_name)) { -+ dev_err(dev, "Can't request iomem resource\n"); -+ ret = -EBUSY; -+ goto err_alloc; -+ } -+ -+ info->regs = ioremap(res->start, res_len); -+ if (!info->regs) { -+ dev_err(dev, "ioremap failed\n"); -+ ret = -ENOMEM; -+ goto err_mem; -+ } -+ -+ ret = request_irq(info->irq, sm501pwm_irq, IRQF_SHARED, drv_name, info); -+ if (ret != 0) { -+ dev_err(dev, "can't get irq\n"); -+ goto err_map; -+ } -+ -+ -+ sm501_unit_power(info->dev->parent, SM501_GATE_GPIO, 1); -+ -+ for (i = 0; i < 3; i++) -+ add_pwm(i, info); -+ -+ dev_info(dev, "SM501 PWM Found at %lx irq %d\n", -+ (unsigned long)info->res->start, info->irq); -+ -+ info->debugfs = debugfs_create_file("pwm", S_IFREG | S_IRUGO, -+ NULL, info, &sm501pwm_fops); -+ -+ -+ return 0; -+ -+err_map: -+ iounmap(info->regs); -+ -+err_mem: -+ release_mem_region(res->start, res_len); -+ -+err_alloc: -+ kfree(info); -+ platform_set_drvdata(pdev, NULL); -+err: -+ return ret; -+} -+ -+static int sm501pwm_remove(struct platform_device *pdev) -+{ -+ struct sm501pwm_info *info = platform_get_drvdata(pdev); -+ int i; -+ -+ if (info->debugfs) -+ debugfs_remove(info->debugfs); -+ -+ for (i = 0; i < 3; i++) { -+ pwm_disable(&info->pwm[i]); -+ del_pwm(i, info); -+ } -+ -+ sm501_unit_power(info->dev->parent, SM501_GATE_GPIO, 0); -+ sm501_modify_reg(info->dev->parent, SM501_IRQ_STATUS, 0, 1<<22); -+ -+ free_irq(info->irq, info); -+ iounmap(info->regs); -+ release_mem_region(info->res->start, -+ (info->res->end - info->res->start)+1); -+ kfree(info); -+ platform_set_drvdata(pdev, NULL); -+ -+ return 0; -+} -+ -+static struct platform_driver sm501pwm_driver = { -+ .probe = sm501pwm_probe, -+ .remove = sm501pwm_remove, -+ .driver = { -+ .name = drv_name, -+ .owner = THIS_MODULE, -+ }, -+}; -+ -+static int __devinit sm501pwm_init(void) -+{ -+ return platform_driver_register(&sm501pwm_driver); -+} -+ -+static void __exit sm501pwm_cleanup(void) -+{ -+ platform_driver_unregister(&sm501pwm_driver); -+} -+ -+module_init(sm501pwm_init); -+module_exit(sm501pwm_cleanup); -+ -+MODULE_AUTHOR("Arnaud Patard "); -+MODULE_DESCRIPTION("SM501 PWM driver"); -+MODULE_LICENSE("GPL"); -+MODULE_ALIAS("platform:sm501-pwm"); -diff --git a/arch/mips/loongson/lemote-2f/Makefile b/arch/mips/loongson/lemote-2f/Makefile -index 4f9eaa3..f945bd7a 100644 ---- a/arch/mips/loongson/lemote-2f/Makefile -+++ b/arch/mips/loongson/lemote-2f/Makefile -@@ -2,7 +2,7 @@ - # Makefile for lemote loongson2f family machines - # - --obj-y += clock.o machtype.o irq.o reset.o ec_kb3310b.o -+obj-y += clock.o machtype.o irq.o reset.o ec_kb3310b.o platform.o - - # - # Suspend Support -diff --git a/arch/mips/loongson/lemote-2f/irq.c b/arch/mips/loongson/lemote-2f/irq.c -index 6f8682e..2d54037 100644 ---- a/arch/mips/loongson/lemote-2f/irq.c -+++ b/arch/mips/loongson/lemote-2f/irq.c -@@ -11,9 +11,7 @@ - #include - #include - --#include - #include --#include - - #include - #include -@@ -117,11 +115,6 @@ void __init mach_init_irq(void) - LOONGSON_INTPOL = LOONGSON_INT_BIT_INT0 | LOONGSON_INT_BIT_INT1; - LOONGSON_INTEDGE &= ~(LOONGSON_INT_BIT_INT0 | LOONGSON_INT_BIT_INT1); - -- /* Sets the first-level interrupt dispatcher. */ -- mips_cpu_irq_init(); -- init_i8259_irqs(); -- bonito_irq_init(); -- - /* setup north bridge irq (bonito) */ - setup_irq(LOONGSON_NORTH_BRIDGE_IRQ, &ip6_irqaction); - /* setup source bridge irq (i8259) */ -diff --git a/arch/mips/loongson/lemote-2f/platform.c b/arch/mips/loongson/lemote-2f/platform.c -new file mode 100644 -index 0000000..5316360 ---- /dev/null -+++ b/arch/mips/loongson/lemote-2f/platform.c -@@ -0,0 +1,48 @@ -+/* -+ * Copyright (C) 2009 Lemote Inc. -+ * Author: Wu Zhangjin, wuzhangjin@gmail.com -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License as published by the -+ * Free Software Foundation; either version 2 of the License, or (at your -+ * option) any later version. -+ */ -+ -+#include -+#include -+ -+#include -+ -+static struct platform_device yeeloong_pdev = { -+ .name = "yeeloong_laptop", -+ .id = -1, -+}; -+ -+static struct platform_device lynloong_pdev = { -+ .name = "lynloong_pc", -+ .id = -1, -+}; -+ -+static int __init lemote2f_platform_init(void) -+{ -+ struct platform_device *pdev = NULL; -+ -+ switch (mips_machtype) { -+ case MACH_LEMOTE_YL2F89: -+ pdev = &yeeloong_pdev; -+ break; -+ case MACH_LEMOTE_LL2F: -+ pdev = &lynloong_pdev; -+ break; -+ default: -+ break; -+ -+ } -+ -+ if (pdev != NULL) -+ return platform_device_register(pdev); -+ -+ return -ENODEV; -+} -+ -+arch_initcall(lemote2f_platform_init); -diff --git a/arch/mips/loongson/lemote-2f/pm.c b/arch/mips/loongson/lemote-2f/pm.c -index cac4d38..2b6e0ef 100644 ---- a/arch/mips/loongson/lemote-2f/pm.c -+++ b/arch/mips/loongson/lemote-2f/pm.c -@@ -140,10 +140,10 @@ int wakeup_loongson(void) - - void __weak mach_suspend(void) - { -- disable_mfgpt0_counter(); -+ disable_mfgpt_counter(); - } - - void __weak mach_resume(void) - { -- enable_mfgpt0_counter(); -+ enable_mfgpt_counter(); - } -diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c -index 0b4e2e3..60fad2c 100644 ---- a/arch/mips/math-emu/cp1emu.c -+++ b/arch/mips/math-emu/cp1emu.c -@@ -7,6 +7,9 @@ - * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com - * Copyright (C) 2000 MIPS Technologies, Inc. - * -+ * Loongson instruction support -+ * Copyright (C) 2011 Mark H Weaver -+ * - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. -@@ -58,6 +61,14 @@ - #endif - #define __mips 4 - -+#ifdef __loongson_fp -+#undef __loongson_fp -+#endif -+#if __mips >= 4 && __mips != 32 -+/* Include support for Loongson floating point instructions */ -+#define __loongson_fp 1 -+#endif -+ - /* Function which emulates a floating point instruction. */ - - static int fpu_emu(struct pt_regs *, struct mips_fpu_struct *, -@@ -67,6 +78,10 @@ static int fpu_emu(struct pt_regs *, struct mips_fpu_struct *, - static int fpux_emu(struct pt_regs *, - struct mips_fpu_struct *, mips_instruction, void *__user *); - #endif -+#ifdef __loongson_fp -+static int loongson_spec2_emu(struct pt_regs *, -+ struct mips_fpu_struct *, mips_instruction, void *__user *); -+#endif - - /* Further private data for which no space exists in mips_fpu_struct */ - -@@ -896,6 +911,14 @@ static inline int cop1_64bit(struct pt_regs *xcp) - #define DPFROMREG(dp, x) DIFROMREG((dp).bits, x) - #define DPTOREG(dp, x) DITOREG((dp).bits, x) - -+/* Support for Loongson paired single floating-point format */ -+#define PSIFROMREG(si1, si2, x) ({ u64 di; DIFROMREG(di, x); \ -+ (si1) = (u32)di; (si2) = (u32)(di >> 32); }) -+#define PSITOREG(si1, si2, x) DITOREG((si1) | ((u64)(si2) << 32), x) -+ -+#define PSPFROMREG(sp1, sp2, x) PSIFROMREG((sp1).bits, (sp2).bits, x) -+#define PSPTOREG(sp1, sp2, x) PSITOREG((sp1).bits, (sp2).bits, x) -+ - /* - * Emulate the single floating point instruction pointed at by EPC. - * Two instructions if the instruction is in a branch delay slot. -@@ -1291,6 +1314,15 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx, - break; - #endif - -+#ifdef __loongson_fp -+ case spec2_op:{ -+ int sig = loongson_spec2_emu(xcp, ctx, ir, fault_addr); -+ if (sig) -+ return sig; -+ break; -+ } -+#endif -+ - default: - sigill: - return SIGILL; -@@ -1370,6 +1402,172 @@ DEF3OP(msub, dp, ieee754dp_mul, ieee754dp_sub, ); - DEF3OP(nmadd, dp, ieee754dp_mul, ieee754dp_add, ieee754dp_neg); - DEF3OP(nmsub, dp, ieee754dp_mul, ieee754dp_sub, ieee754dp_neg); - -+#ifdef __loongson_fp -+static int loongson_spec2_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, -+ mips_instruction ir, void *__user *fault_addr) -+{ -+ int rfmt; /* resulting format */ -+ unsigned rcsr = 0; /* resulting csr */ -+ union { -+ ieee754dp d; -+ struct { -+ ieee754sp s; -+ ieee754sp s2; -+ }; -+ } rv; /* resulting value */ -+ -+ /* XXX maybe add a counter for loongson spec2 fp instructions? */ -+ /* MIPS_FPU_EMU_INC_STATS(cp1xops); */ -+ -+ switch (rfmt = (MIPSInst_FFMT(ir) & 0xf)) { -+ case s_fmt:{ -+ ieee754sp(*handler) (ieee754sp, ieee754sp, ieee754sp); -+ ieee754sp fd, fs, ft; -+ -+ switch (MIPSInst_FUNC(ir)) { -+ case loongson_madd_op: -+ handler = fpemu_sp_madd; -+ goto scoptop; -+ case loongson_msub_op: -+ handler = fpemu_sp_msub; -+ goto scoptop; -+ case loongson_nmadd_op: -+ handler = fpemu_sp_nmadd; -+ goto scoptop; -+ case loongson_nmsub_op: -+ handler = fpemu_sp_nmsub; -+ goto scoptop; -+ -+ scoptop: -+ SPFROMREG(fd, MIPSInst_FD(ir)); -+ SPFROMREG(fs, MIPSInst_FS(ir)); -+ SPFROMREG(ft, MIPSInst_FT(ir)); -+ rv.s = (*handler) (fd, fs, ft); -+ -+ copcsr: -+ if (ieee754_cxtest(IEEE754_INEXACT)) -+ rcsr |= FPU_CSR_INE_X | FPU_CSR_INE_S; -+ if (ieee754_cxtest(IEEE754_UNDERFLOW)) -+ rcsr |= FPU_CSR_UDF_X | FPU_CSR_UDF_S; -+ if (ieee754_cxtest(IEEE754_OVERFLOW)) -+ rcsr |= FPU_CSR_OVF_X | FPU_CSR_OVF_S; -+ if (ieee754_cxtest(IEEE754_INVALID_OPERATION)) -+ rcsr |= FPU_CSR_INV_X | FPU_CSR_INV_S; -+ -+ break; -+ -+ default: -+ return SIGILL; -+ } -+ break; -+ } -+ -+ case d_fmt:{ -+ ieee754dp(*handler) (ieee754dp, ieee754dp, ieee754dp); -+ ieee754dp fd, fs, ft; -+ -+ switch (MIPSInst_FUNC(ir)) { -+ case loongson_madd_op: -+ handler = fpemu_dp_madd; -+ goto dcoptop; -+ case loongson_msub_op: -+ handler = fpemu_dp_msub; -+ goto dcoptop; -+ case loongson_nmadd_op: -+ handler = fpemu_dp_nmadd; -+ goto dcoptop; -+ case loongson_nmsub_op: -+ handler = fpemu_dp_nmsub; -+ goto dcoptop; -+ -+ dcoptop: -+ DPFROMREG(fd, MIPSInst_FD(ir)); -+ DPFROMREG(fs, MIPSInst_FS(ir)); -+ DPFROMREG(ft, MIPSInst_FT(ir)); -+ rv.d = (*handler) (fd, fs, ft); -+ goto copcsr; -+ -+ default: -+ return SIGILL; -+ } -+ break; -+ } -+ -+ case ps_fmt:{ -+ ieee754sp(*handler) (ieee754sp, ieee754sp, ieee754sp); -+ struct _ieee754_csr ieee754_csr_save; -+ ieee754sp fd1, fs1, ft1; -+ ieee754sp fd2, fs2, ft2; -+ -+ switch (MIPSInst_FUNC(ir)) { -+ case loongson_madd_op: -+ handler = fpemu_sp_madd; -+ goto pscoptop; -+ case loongson_msub_op: -+ handler = fpemu_sp_msub; -+ goto pscoptop; -+ case loongson_nmadd_op: -+ handler = fpemu_sp_nmadd; -+ goto pscoptop; -+ case loongson_nmsub_op: -+ handler = fpemu_sp_nmsub; -+ goto pscoptop; -+ -+ pscoptop: -+ PSPFROMREG(fd1, fd2, MIPSInst_FD(ir)); -+ PSPFROMREG(fs1, fs2, MIPSInst_FS(ir)); -+ PSPFROMREG(ft1, ft2, MIPSInst_FT(ir)); -+ rv.s = (*handler) (fd1, fs1, ft1); -+ ieee754_csr_save = ieee754_csr; -+ rv.s2 = (*handler) (fd2, fs2, ft2); -+ ieee754_csr.cx |= ieee754_csr_save.cx; -+ ieee754_csr.sx |= ieee754_csr_save.sx; -+ goto copcsr; -+ -+ default: -+ return SIGILL; -+ } -+ break; -+ } -+ -+ default: -+ return SIGILL; -+ } -+ -+ /* -+ * Update the fpu CSR register for this operation. -+ * If an exception is required, generate a tidy SIGFPE exception, -+ * without updating the result register. -+ * Note: cause exception bits do not accumulate, they are rewritten -+ * for each op; only the flag/sticky bits accumulate. -+ */ -+ ctx->fcr31 = (ctx->fcr31 & ~FPU_CSR_ALL_X) | rcsr; -+ if ((ctx->fcr31 >> 5) & ctx->fcr31 & FPU_CSR_ALL_E) { -+ /*printk ("SIGFPE: fpu csr = %08x\n",ctx->fcr31); */ -+ return SIGFPE; -+ } -+ -+ /* -+ * Now we can safely write the result back to the register file. -+ */ -+ switch (rfmt) { -+ case d_fmt: -+ DPTOREG(rv.d, MIPSInst_FD(ir)); -+ break; -+ case s_fmt: -+ SPTOREG(rv.s, MIPSInst_FD(ir)); -+ break; -+ case ps_fmt: -+ PSPTOREG(rv.s, rv.s2, MIPSInst_FD(ir)); -+ break; -+ default: -+ return SIGILL; -+ } -+ -+ return 0; -+} -+#endif -+ - static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, - mips_instruction ir, void *__user *fault_addr) - { -@@ -1463,7 +1661,7 @@ static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, - break; - - default: -- return SIGILL; -+ goto SIGILL_unless_prefx_op; - } - break; - } -@@ -1533,7 +1731,7 @@ static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, - goto copcsr; - - default: -- return SIGILL; -+ goto SIGILL_unless_prefx_op; - } - break; - } -@@ -1546,6 +1744,11 @@ static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, - break; - - default: -+ SIGILL_unless_prefx_op: -+ if (MIPSInst_FUNC(ir) == prefx_op) { -+ /* ignore prefx operation */ -+ break; -+ } - return SIGILL; - } - -@@ -1566,7 +1769,12 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, - unsigned cond; - union { - ieee754dp d; -- ieee754sp s; -+ struct { -+ ieee754sp s; -+#ifdef __loongson_fp -+ ieee754sp s2; /* for Loongson paired singles */ -+#endif -+ }; - int w; - #ifdef __mips64 - s64 l; -@@ -1638,7 +1846,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, - case fmov_op: - /* an easy one */ - SPFROMREG(rv.s, MIPSInst_FS(ir)); -- goto copcsr; -+ break; - - /* binary op on handler */ - scopbop: -@@ -1825,7 +2033,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, - case fmov_op: - /* an easy one */ - DPFROMREG(rv.d, MIPSInst_FS(ir)); -- goto copcsr; -+ break; - - /* binary op on handler */ - dcopbop:{ -@@ -1936,6 +2144,83 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, - break; - } - -+#ifdef __loongson_fp -+ case ps_fmt:{ /* 6 */ -+ /* Support for Loongson paired single fp instructions */ -+ union { -+ ieee754sp(*b) (ieee754sp, ieee754sp); -+ ieee754sp(*u) (ieee754sp); -+ } handler; -+ -+ switch (MIPSInst_FUNC(ir)) { -+ /* binary ops */ -+ case fadd_op: -+ handler.b = ieee754sp_add; -+ goto pscopbop; -+ case fsub_op: -+ handler.b = ieee754sp_sub; -+ goto pscopbop; -+ case fmul_op: -+ handler.b = ieee754sp_mul; -+ goto pscopbop; -+ -+ /* unary ops */ -+ case fabs_op: -+ handler.u = ieee754sp_abs; -+ goto pscopuop; -+ case fneg_op: -+ handler.u = ieee754sp_neg; -+ goto pscopuop; -+ case fmov_op: -+ /* an easy one */ -+ PSPFROMREG(rv.s, rv.s2, MIPSInst_FS(ir)); -+ break; -+ -+ pscopbop: /* paired binary op handler */ -+ { -+ struct _ieee754_csr ieee754_csr_save; -+ ieee754sp fs1, ft1; -+ ieee754sp fs2, ft2; -+ -+ PSPFROMREG(fs1, fs2, MIPSInst_FS(ir)); -+ PSPFROMREG(ft1, ft2, MIPSInst_FT(ir)); -+ rv.s = (*handler.b) (fs1, ft1); -+ ieee754_csr_save = ieee754_csr; -+ rv.s2 = (*handler.b) (fs2, ft2); -+ ieee754_csr.cx |= ieee754_csr_save.cx; -+ ieee754_csr.sx |= ieee754_csr_save.sx; -+ goto copcsr; -+ } -+ pscopuop: /* paired unary op handler */ -+ { -+ struct _ieee754_csr ieee754_csr_save; -+ ieee754sp fs1; -+ ieee754sp fs2; -+ -+ PSPFROMREG(fs1, fs2, MIPSInst_FS(ir)); -+ rv.s = (*handler.u) (fs1); -+ ieee754_csr_save = ieee754_csr; -+ rv.s2 = (*handler.u) (fs2); -+ ieee754_csr.cx |= ieee754_csr_save.cx; -+ ieee754_csr.sx |= ieee754_csr_save.sx; -+ goto copcsr; -+ } -+ break; -+ -+ default: -+ if (MIPSInst_FUNC(ir) >= fcmp_op) { -+ /* Loongson fp hardware handles all -+ cases of fp compare insns, so we -+ shouldn't have to */ -+ printk ("Loongson paired-single fp compare" -+ " unimplemented in cp1emu.c\n"); -+ } -+ return SIGILL; -+ } -+ break; -+ } -+#endif -+ - case w_fmt:{ - ieee754sp fs; - -@@ -2025,6 +2310,11 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, - DITOREG(rv.l, MIPSInst_FD(ir)); - break; - #endif -+#ifdef __loongson_fp -+ case ps_fmt: -+ PSPTOREG(rv.s, rv.s2, MIPSInst_FD(ir)); -+ break; -+#endif - default: - return SIGILL; - } -diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c -index 44b6dff..e782fae 100644 ---- a/arch/mips/mm/dma-default.c -+++ b/arch/mips/mm/dma-default.c -@@ -336,7 +336,7 @@ int mips_dma_supported(struct device *dev, u64 mask) - return plat_dma_supported(dev, mask); - } - --void dma_cache_sync(struct device *dev, void *vaddr, size_t size, -+void mips_dma_cache_sync(struct device *dev, void *vaddr, size_t size, - enum dma_data_direction direction) - { - BUG_ON(direction == DMA_NONE); -@@ -345,8 +345,6 @@ void dma_cache_sync(struct device *dev, void *vaddr, size_t size, - __dma_sync_virtual(vaddr, size, direction); - } - --EXPORT_SYMBOL(dma_cache_sync); -- - static struct dma_map_ops mips_default_dma_map_ops = { - .alloc = mips_dma_alloc_coherent, - .free = mips_dma_free_coherent, -diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile -index 137f2a6..b9845dc 100644 ---- a/arch/mips/pci/Makefile -+++ b/arch/mips/pci/Makefile -@@ -29,6 +29,7 @@ obj-$(CONFIG_LASAT) += pci-lasat.o - obj-$(CONFIG_MIPS_COBALT) += fixup-cobalt.o - obj-$(CONFIG_LEMOTE_FULOONG2E) += fixup-fuloong2e.o ops-loongson2.o - obj-$(CONFIG_LEMOTE_MACH2F) += fixup-lemote2f.o ops-loongson2.o -+obj-$(CONFIG_DEXXON_GDIUM) += fixup-gdium.o ops-loongson2.o - obj-$(CONFIG_MIPS_MALTA) += fixup-malta.o pci-malta.o - obj-$(CONFIG_PMC_MSP7120_GW) += fixup-pmcmsp.o ops-pmcmsp.o - obj-$(CONFIG_PMC_MSP7120_EVAL) += fixup-pmcmsp.o ops-pmcmsp.o -diff --git a/arch/mips/pci/fixup-gdium.c b/arch/mips/pci/fixup-gdium.c -new file mode 100644 -index 0000000..b296220 ---- /dev/null -+++ b/arch/mips/pci/fixup-gdium.c -@@ -0,0 +1,90 @@ -+/* -+ * Copyright (C) 2010 yajin -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License as published by the -+ * Free Software Foundation; either version 2 of the License, or (at your -+ * option) any later version. -+ */ -+ -+#include -+#include -+ -+#include -+/* -+ * http://www.pcidatabase.com -+ * GDIUM has different PCI mapping -+ * slot 13 (0x1814/0x0301) -> RaLink rt2561 Wireless-G PCI -+ * slog 14 (0x126f/0x0501) -> sm501 -+ * slot 15 (0x1033/0x0035) -> NEC Dual OHCI controllers -+ * plus Single EHCI controller -+ * slot 16 (0x10ec/0x8139) -> Realtek 8139c -+ * slot 17 (0x1033/0x00e0) -> NEC USB 2.0 Host Controller -+ */ -+ -+#undef INT_IRQA -+#undef INT_IRQB -+#undef INT_IRQC -+#undef INT_IRQD -+#define INT_IRQA 36 -+#define INT_IRQB 37 -+#define INT_IRQC 38 -+#define INT_IRQD 39 -+ -+int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -+{ -+ int irq = 0; -+ -+ switch (slot) { -+ case 13: -+ irq = INT_IRQC + ((pin - 1) & 3); -+ break; -+ case 14: -+ irq = INT_IRQA; -+ break; -+ case 15: -+#if CONFIG_GDIUM_VERSION > 2 -+ irq = INT_IRQB; -+#else -+ irq = INT_IRQA + ((pin - 1) & 3); -+#endif -+ break; -+ case 16: -+ irq = INT_IRQD; -+ break; -+#if CONFIG_GDIUM_VERSION > 2 -+ case 17: -+ irq = INT_IRQC; -+ break; -+#endif -+ default: -+ pr_info(" strange pci slot number %d on gdium.\n", slot); -+ break; -+ } -+ return irq; -+} -+ -+/* Do platform specific device initialization at pci_enable_device() time */ -+int pcibios_plat_dev_init(struct pci_dev *dev) -+{ -+ return 0; -+} -+ -+/* Fixups for the USB host controllers */ -+static void __init gdium_usb_host_fixup(struct pci_dev *dev) -+{ -+ unsigned int val; -+ pci_read_config_dword(dev, 0xe0, &val); -+#if CONFIG_GDIUM_VERSION > 2 -+ pci_write_config_dword(dev, 0xe0, (val & ~3) | 0x3); -+#else -+ pci_write_config_dword(dev, 0xe0, (val & ~7) | 0x5); -+ pci_write_config_dword(dev, 0xe4, 1<<5); -+#endif -+} -+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_USB, -+ gdium_usb_host_fixup); -+#if CONFIG_GDIUM_VERSION > 2 -+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_CT_65550, -+ gdium_usb_host_fixup); -+#endif -diff --git a/arch/mips/power/hibernate.S b/arch/mips/power/hibernate.S -index 32a7c82..7e0277a 100644 ---- a/arch/mips/power/hibernate.S -+++ b/arch/mips/power/hibernate.S -@@ -43,7 +43,6 @@ LEAF(swsusp_arch_resume) - bne t1, t3, 1b - PTR_L t0, PBE_NEXT(t0) - bnez t0, 0b -- jal local_flush_tlb_all /* Avoid TLB mismatch after kernel resume */ - PTR_LA t0, saved_regs - PTR_L ra, PT_R31(t0) - PTR_L sp, PT_R29(t0) -diff --git a/drivers/ata/pata_cs5536.c b/drivers/ata/pata_cs5536.c -index 0448860..fa7cfab 100644 ---- a/drivers/ata/pata_cs5536.c -+++ b/drivers/ata/pata_cs5536.c -@@ -46,8 +46,6 @@ static int use_msr; - module_param_named(msr, use_msr, int, 0644); - MODULE_PARM_DESC(msr, "Force using MSR to configure IDE function (Default: 0)"); - #else --#undef rdmsr /* avoid accidental MSR usage on, e.g. x86-64 */ --#undef wrmsr - #define rdmsr(x, y, z) do { } while (0) - #define wrmsr(x, y, z) do { } while (0) - #define use_msr 0 -diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig -index f722001..5af02de 100644 ---- a/drivers/hid/Kconfig -+++ b/drivers/hid/Kconfig -@@ -786,6 +786,13 @@ config HID_ZYDACRON - ---help--- - Support for Zydacron remote control. - -+config HID_GDIUM -+ bool "Gdium Fn keys support" if EMBEDDED -+ depends on USB_HID && DEXXON_GDIUM -+ default !EMBEDDED -+ ---help--- -+ Support for Functions keys available on Gdiums. -+ - config HID_SENSOR_HUB - tristate "HID Sensors framework support" - depends on HID -diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile -index 30e4431..e41ca68 100644 ---- a/drivers/hid/Makefile -+++ b/drivers/hid/Makefile -@@ -115,6 +115,7 @@ obj-$(CONFIG_HID_ZEROPLUS) += hid-zpff.o - obj-$(CONFIG_HID_ZYDACRON) += hid-zydacron.o - obj-$(CONFIG_HID_WACOM) += hid-wacom.o - obj-$(CONFIG_HID_WALTOP) += hid-waltop.o -+obj-$(CONFIG_HID_GDIUM) += hid-gdium.o - obj-$(CONFIG_HID_WIIMOTE) += hid-wiimote.o - obj-$(CONFIG_HID_SENSOR_HUB) += hid-sensor-hub.o - -diff --git a/drivers/hid/hid-gdium.c b/drivers/hid/hid-gdium.c -new file mode 100644 -index 0000000..67cc095 ---- /dev/null -+++ b/drivers/hid/hid-gdium.c -@@ -0,0 +1,210 @@ -+/* -+ * hid-gdium -- Gdium laptop function keys -+ * -+ * Arnaud Patard -+ * -+ * Based on hid-apple.c -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License as published by the -+ * Free Software Foundation; either version 2 of the License, or (at your -+ * option) any later version. -+ */ -+ -+ -+#include -+#include -+#include -+#include -+ -+#include "hid-ids.h" -+ -+#define GDIUM_FN_ON 1 -+ -+static int fnmode = GDIUM_FN_ON; -+module_param(fnmode, int, 0644); -+MODULE_PARM_DESC(fnmode, "Mode of fn key on Gdium (0 = disabled, 1 = Enabled)"); -+ -+struct gdium_data { -+ unsigned int fn_on; -+}; -+ -+ -+struct gdium_key_translation { -+ u16 from; -+ u16 to; -+}; -+ -+static struct gdium_key_translation gdium_fn_keys[] = { -+ { KEY_F1, KEY_CAMERA }, -+ { KEY_F2, KEY_CONNECT }, -+ { KEY_F3, KEY_MUTE }, -+ { KEY_F4, KEY_VOLUMEUP}, -+ { KEY_F5, KEY_VOLUMEDOWN }, -+ { KEY_F6, KEY_SWITCHVIDEOMODE }, -+ { KEY_F7, KEY_F19 }, /* F7+12. Have to use existant keycodes */ -+ { KEY_F8, KEY_BRIGHTNESSUP }, -+ { KEY_F9, KEY_BRIGHTNESSDOWN }, -+ { KEY_F10, KEY_SLEEP }, -+ { KEY_F11, KEY_PROG1 }, -+ { KEY_F12, KEY_PROG2 }, -+ { KEY_UP, KEY_PAGEUP }, -+ { KEY_DOWN, KEY_PAGEDOWN }, -+ { KEY_INSERT, KEY_NUMLOCK }, -+ { KEY_DELETE, KEY_SCROLLLOCK }, -+ { KEY_T, KEY_STOPCD }, -+ { KEY_F, KEY_PREVIOUSSONG }, -+ { KEY_H, KEY_NEXTSONG }, -+ { KEY_G, KEY_PLAYPAUSE }, -+ { } -+}; -+ -+static struct gdium_key_translation *gdium_find_translation( -+ struct gdium_key_translation *table, u16 from) -+{ -+ struct gdium_key_translation *trans; -+ -+ /* Look for the translation */ -+ for (trans = table; trans->from; trans++) -+ if (trans->from == from) -+ return trans; -+ return NULL; -+} -+ -+static int hidinput_gdium_event(struct hid_device *hid, struct input_dev *input, -+ struct hid_usage *usage, __s32 value) -+{ -+ struct gdium_data *data = hid_get_drvdata(hid); -+ struct gdium_key_translation *trans; -+ int do_translate; -+ -+ if (usage->type != EV_KEY) -+ return 0; -+ -+ if ((usage->code == KEY_FN)) { -+ data->fn_on = !!value; -+ input_event(input, usage->type, usage->code, value); -+ return 1; -+ } -+ -+ if (fnmode) { -+ trans = gdium_find_translation(gdium_fn_keys, usage->code); -+ if (trans) { -+ do_translate = data->fn_on; -+ if (do_translate) { -+ input_event(input, usage->type, trans->to, value); -+ return 1; -+ } -+ } -+ } -+ -+ return 0; -+} -+ -+static int gdium_input_event(struct hid_device *hdev, struct hid_field *field, -+ struct hid_usage *usage, __s32 value) -+{ -+ if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || !usage->type) -+ return 0; -+ -+ if (hidinput_gdium_event(hdev, field->hidinput->input, usage, value)) -+ return 1; -+ -+ return 0; -+} -+ -+ -+static void gdium_input_setup(struct input_dev *input) -+{ -+ struct gdium_key_translation *trans; -+ -+ set_bit(KEY_NUMLOCK, input->keybit); -+ -+ /* Enable all needed keys */ -+ for (trans = gdium_fn_keys; trans->from; trans++) -+ set_bit(trans->to, input->keybit); -+} -+ -+static int gdium_input_mapping(struct hid_device *hdev, struct hid_input *hi, -+ struct hid_field *field, struct hid_usage *usage, -+ unsigned long **bit, int *max) -+{ -+ if (((usage->hid & HID_USAGE_PAGE) == HID_UP_KEYBOARD) -+ && ((usage->hid & HID_USAGE) == 0x82)) { -+ hid_map_usage_clear(hi, usage, bit, max, EV_KEY, KEY_FN); -+ gdium_input_setup(hi->input); -+ return 1; -+ } -+ return 0; -+} -+ -+static int gdium_input_probe(struct hid_device *hdev, const struct hid_device_id *id) -+{ -+ struct gdium_data *data; -+ int ret; -+ -+ data = kzalloc(sizeof(*data), GFP_KERNEL); -+ if (!data) { -+ dev_err(&hdev->dev, "can't alloc gdium keyboard data\n"); -+ return -ENOMEM; -+ } -+ -+ hid_set_drvdata(hdev, data); -+ -+ ret = hid_parse(hdev); -+ if (ret) { -+ dev_err(&hdev->dev, "parse failed\n"); -+ goto err_free; -+ } -+ -+ ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); -+ if (ret) { -+ dev_err(&hdev->dev, "hw start failed\n"); -+ goto err_free; -+ } -+ -+ return 0; -+err_free: -+ kfree(data); -+ return ret; -+} -+static void gdium_input_remove(struct hid_device *hdev) -+{ -+ hid_hw_stop(hdev); -+ kfree(hid_get_drvdata(hdev)); -+} -+ -+static const struct hid_device_id gdium_input_devices[] = { -+ { HID_USB_DEVICE(USB_VENDOR_ID_GDIUM, USB_DEVICE_ID_GDIUM) }, -+ {} -+}; -+MODULE_DEVICE_TABLE(hid, gdium_input_devices); -+ -+static struct hid_driver gdium_input_driver = { -+ .name = "gdium-fnkeys", -+ .id_table = gdium_input_devices, -+ .probe = gdium_input_probe, -+ .remove = gdium_input_remove, -+ .event = gdium_input_event, -+ .input_mapping = gdium_input_mapping, -+}; -+ -+static int gdium_input_init(void) -+{ -+ int ret; -+ -+ ret = hid_register_driver(&gdium_input_driver); -+ if (ret) -+ pr_err("can't register gdium keyboard driver\n"); -+ -+ return ret; -+} -+static void gdium_input_exit(void) -+{ -+ hid_unregister_driver(&gdium_input_driver); -+} -+ -+module_init(gdium_input_init); -+module_exit(gdium_input_exit); -+MODULE_LICENSE("GPL"); -+ -diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h -index 6e12cd0..1ce18ed 100644 ---- a/drivers/hid/hid-ids.h -+++ b/drivers/hid/hid-ids.h -@@ -956,6 +956,9 @@ - #define USB_VENDOR_ID_ZYTRONIC 0x14c8 - #define USB_DEVICE_ID_ZYTRONIC_ZXY100 0x0005 - -+#define USB_VENDOR_ID_GDIUM 0x04B4 -+#define USB_DEVICE_ID_GDIUM 0xe001 -+ - #define USB_VENDOR_ID_PRIMAX 0x0461 - #define USB_DEVICE_ID_PRIMAX_KEYBOARD 0x4e05 - -diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig -index c5eec02..9e4eb1d 100644 ---- a/drivers/i2c/busses/Kconfig -+++ b/drivers/i2c/busses/Kconfig -@@ -1002,7 +1002,7 @@ config SCx200_I2C_SDA - - config SCx200_ACB - tristate "Geode ACCESS.bus support" -- depends on X86_32 && PCI -+ depends on PCI - help - Enable the use of the ACCESS.bus controllers on the Geode SCx200 and - SC1100 processors and the CS5535 and CS5536 Geode companion devices. -diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c -index 376f2dc..b576801 100644 ---- a/drivers/ide/ide-iops.c -+++ b/drivers/ide/ide-iops.c -@@ -27,6 +27,10 @@ - #include - #include - -+#ifdef CONFIG_LEMOTE_MACH2F -+#include -+#endif -+ - void SELECT_MASK(ide_drive_t *drive, int mask) - { - const struct ide_port_ops *port_ops = drive->hwif->port_ops; -@@ -300,6 +304,11 @@ void ide_check_nien_quirk_list(ide_drive_t *drive) - { - const char **list, *m = (char *)&drive->id[ATA_ID_PROD]; - -+#ifdef CONFIG_LEMOTE_MACH2F -+ if (mips_machtype != MACH_LEMOTE_YL2F89) -+ return; -+#endif -+ - for (list = nien_quirk_list; *list != NULL; list++) - if (strstr(m, *list) != NULL) { - drive->dev_flags |= IDE_DFLAG_NIEN_QUIRK; -diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c -index e7dc441..124e8c3 100644 ---- a/drivers/mfd/sm501.c -+++ b/drivers/mfd/sm501.c -@@ -58,7 +58,7 @@ struct sm501_gpio { - struct sm501_gpio { - /* no gpio support, empty definition for sm501_devdata. */ - }; --#endif -+#endif /* CONFIG_MFD_SM501_GPIO */ - - struct sm501_devdata { - spinlock_t reg_lock; -@@ -1135,6 +1135,22 @@ static inline int sm501_gpio_isregistered(struct sm501_devdata *sm) - { - return sm->gpio.registered; - } -+ -+void sm501_configure_gpio(struct device *dev, unsigned int gpio, unsigned -+ char mode) -+{ -+ unsigned long set, reg, offset = gpio; -+ -+ if (offset >= 32) { -+ reg = SM501_GPIO63_32_CONTROL; -+ offset = gpio - 32; -+ } else -+ reg = SM501_GPIO31_0_CONTROL; -+ -+ set = mode ? 1 << offset : 0; -+ -+ sm501_modify_reg(dev, reg, set, 0); -+} - #else - static inline int sm501_register_gpio(struct sm501_devdata *sm) - { -@@ -1154,7 +1170,13 @@ static inline int sm501_gpio_isregistered(struct sm501_devdata *sm) - { - return 0; - } --#endif -+ -+void sm501_configure_gpio(struct device *dev, unsigned int gpio, -+ unsigned char mode) -+{ -+} -+#endif /* CONFIG_MFD_SM501_GPIO */ -+EXPORT_SYMBOL_GPL(sm501_configure_gpio); - - static int sm501_register_gpio_i2c_instance(struct sm501_devdata *sm, - struct sm501_platdata_gpio_i2c *iic) -@@ -1209,6 +1231,20 @@ static int sm501_register_gpio_i2c(struct sm501_devdata *sm, - return 0; - } - -+/* register sm501 PWM device */ -+static int sm501_register_pwm(struct sm501_devdata *sm) -+{ -+ struct platform_device *pdev; -+ -+ pdev = sm501_create_subdev(sm, "sm501-pwm", 2, 0); -+ if (!pdev) -+ return -ENOMEM; -+ sm501_create_subio(sm, &pdev->resource[0], 0x10020, 0xC); -+ sm501_create_irq(sm, &pdev->resource[1]); -+ -+ return sm501_register_device(sm, pdev); -+} -+ - /* sm501_dbg_regs - * - * Debug attribute to attach to parent device to show core registers -@@ -1367,6 +1403,8 @@ static int sm501_init_dev(struct sm501_devdata *sm) - sm501_register_uart(sm, idata->devices); - if (idata->devices & SM501_USE_GPIO) - sm501_register_gpio(sm); -+ if (idata->devices & SM501_USE_PWM) -+ sm501_register_pwm(sm); - } - - if (pdata && pdata->gpio_i2c != NULL && pdata->gpio_i2c_nr > 0) { -@@ -1553,10 +1591,15 @@ static struct sm501_initdata sm501_pci_initdata = { - .devices = SM501_USE_ALL, - - /* Errata AB-3 says that 72MHz is the fastest available -- * for 33MHZ PCI with proper bus-mastering operation */ -- -+ * for 33MHZ PCI with proper bus-mastering operation -+ * For gdium, it works under 84&112M clock freq.*/ -+#ifdef CONFIG_DEXXON_GDIUM -+ .mclk = 84 * MHZ, -+ .m1xclk = 112 * MHZ, -+#else - .mclk = 72 * MHZ, - .m1xclk = 144 * MHZ, -+#endif - }; - - static struct sm501_platdata_fbsub sm501_pdata_fbsub = { -diff --git a/drivers/net/titan_ge.c b/drivers/net/titan_ge.c -new file mode 100644 -index 0000000..dc137bf8 ---- /dev/null -+++ b/drivers/net/titan_ge.c -@@ -0,0 +1,2069 @@ -+/* -+ * drivers/net/titan_ge.c - Driver for Titan ethernet ports -+ * -+ * Copyright (C) 2003 PMC-Sierra Inc. -+ * Author : Manish Lachwani (lachwani@pmc-sierra.com) -+ * -+ * This program is free software; you can redistribute it and/or -+ * modify it under the terms of the GNU General Public License -+ * as published by the Free Software Foundation; either version 2 -+ * of the License, or (at your option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -+ */ -+ -+/* -+ * The MAC unit of the Titan consists of the following: -+ * -+ * -> XDMA Engine to move data to from the memory to the MAC packet FIFO -+ * -> FIFO is where the incoming and outgoing data is placed -+ * -> TRTG is the unit that pulls the data from the FIFO for Tx and pushes -+ * the data into the FIFO for Rx -+ * -> TMAC is the outgoing MAC interface and RMAC is the incoming. -+ * -> AFX is the address filtering block -+ * -> GMII block to communicate with the PHY -+ * -+ * Rx will look like the following: -+ * GMII --> RMAC --> AFX --> TRTG --> Rx FIFO --> XDMA --> CPU memory -+ * -+ * Tx will look like the following: -+ * CPU memory --> XDMA --> Tx FIFO --> TRTG --> TMAC --> GMII -+ * -+ * The Titan driver has support for the following performance features: -+ * -> Rx side checksumming -+ * -> Jumbo Frames -+ * -> Interrupt Coalscing -+ * -> Rx NAPI -+ * -> SKB Recycling -+ * -> Transmit/Receive descriptors in SRAM -+ * -> Fast routing for IP forwarding -+ */ -+ -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+/* For MII specifc registers, titan_mdio.h should be included */ -+#include -+ -+#include -+#include -+#include -+#include -+#include -+#include -+ -+#include "titan_ge.h" -+#include "titan_mdio.h" -+ -+/* Static Function Declarations */ -+static int titan_ge_eth_open(struct net_device *); -+static void titan_ge_eth_stop(struct net_device *); -+static struct net_device_stats *titan_ge_get_stats(struct net_device *); -+static int titan_ge_init_rx_desc_ring(titan_ge_port_info *, int, int, -+ unsigned long, unsigned long, -+ unsigned long); -+static int titan_ge_init_tx_desc_ring(titan_ge_port_info *, int, -+ unsigned long, unsigned long); -+ -+static int titan_ge_open(struct net_device *); -+static int titan_ge_start_xmit(struct sk_buff *, struct net_device *); -+static int titan_ge_stop(struct net_device *); -+ -+static unsigned long titan_ge_tx_coal(unsigned long, int); -+ -+static void titan_ge_port_reset(unsigned int); -+static int titan_ge_free_tx_queue(titan_ge_port_info *); -+static int titan_ge_rx_task(struct net_device *, titan_ge_port_info *); -+static int titan_ge_port_start(struct net_device *, titan_ge_port_info *); -+ -+static int titan_ge_return_tx_desc(titan_ge_port_info *, int); -+ -+/* -+ * Some configuration for the FIFO and the XDMA channel needs -+ * to be done only once for all the ports. This flag controls -+ * that -+ */ -+static unsigned long config_done; -+ -+/* -+ * One time out of memory flag -+ */ -+static unsigned int oom_flag; -+ -+static int titan_ge_poll(struct net_device *netdev, int *budget); -+ -+static int titan_ge_receive_queue(struct net_device *, unsigned int); -+ -+static struct platform_device *titan_ge_device[3]; -+ -+/* MAC Address */ -+extern unsigned char titan_ge_mac_addr_base[6]; -+ -+unsigned long titan_ge_base; -+static unsigned long titan_ge_sram; -+ -+static char titan_string[] = "titan"; -+ -+/* -+ * The Titan GE has two alignment requirements: -+ * -> skb->data to be cacheline aligned (32 byte) -+ * -> IP header alignment to 16 bytes -+ * -+ * The latter is not implemented. So, that results in an extra copy on -+ * the Rx. This is a big performance hog. For the former case, the -+ * dev_alloc_skb() has been replaced with titan_ge_alloc_skb(). The size -+ * requested is calculated: -+ * -+ * Ethernet Frame Size : 1518 -+ * Ethernet Header : 14 -+ * Future Titan change for IP header alignment : 2 -+ * -+ * Hence, we allocate (1518 + 14 + 2+ 64) = 1580 bytes. For IP header -+ * alignment, we use skb_reserve(). -+ */ -+ -+#define ALIGNED_RX_SKB_ADDR(addr) \ -+ ((((unsigned long)(addr) + (64UL - 1UL)) \ -+ & ~(64UL - 1UL)) - (unsigned long)(addr)) -+ -+#define titan_ge_alloc_skb(__length, __gfp_flags) \ -+({ struct sk_buff *__skb; \ -+ __skb = alloc_skb((__length) + 64, (__gfp_flags)); \ -+ if(__skb) { \ -+ int __offset = (int) ALIGNED_RX_SKB_ADDR(__skb->data); \ -+ if(__offset) \ -+ skb_reserve(__skb, __offset); \ -+ } \ -+ __skb; \ -+}) -+ -+/* -+ * Configure the GMII block of the Titan based on what the PHY tells us -+ */ -+static void titan_ge_gmii_config(int port_num) -+{ -+ unsigned int reg_data = 0, phy_reg; -+ int err; -+ -+ err = titan_ge_mdio_read(port_num, TITAN_GE_MDIO_PHY_STATUS, &phy_reg); -+ -+ if (err == TITAN_GE_MDIO_ERROR) { -+ printk(KERN_ERR -+ "Could not read PHY control register 0x11 \n"); -+ printk(KERN_ERR -+ "Setting speed to 1000 Mbps and Duplex to Full \n"); -+ -+ return; -+ } -+ -+ err = titan_ge_mdio_write(port_num, TITAN_GE_MDIO_PHY_IE, 0); -+ -+ if (phy_reg & 0x8000) { -+ if (phy_reg & 0x2000) { -+ /* Full Duplex and 1000 Mbps */ -+ TITAN_GE_WRITE((TITAN_GE_GMII_CONFIG_MODE + -+ (port_num << 12)), 0x201); -+ } else { -+ /* Half Duplex and 1000 Mbps */ -+ TITAN_GE_WRITE((TITAN_GE_GMII_CONFIG_MODE + -+ (port_num << 12)), 0x2201); -+ } -+ } -+ if (phy_reg & 0x4000) { -+ if (phy_reg & 0x2000) { -+ /* Full Duplex and 100 Mbps */ -+ TITAN_GE_WRITE((TITAN_GE_GMII_CONFIG_MODE + -+ (port_num << 12)), 0x100); -+ } else { -+ /* Half Duplex and 100 Mbps */ -+ TITAN_GE_WRITE((TITAN_GE_GMII_CONFIG_MODE + -+ (port_num << 12)), 0x2100); -+ } -+ } -+ reg_data = TITAN_GE_READ(TITAN_GE_GMII_CONFIG_GENERAL + -+ (port_num << 12)); -+ reg_data |= 0x3; -+ TITAN_GE_WRITE((TITAN_GE_GMII_CONFIG_GENERAL + -+ (port_num << 12)), reg_data); -+} -+ -+/* -+ * Enable the TMAC if it is not -+ */ -+static void titan_ge_enable_tx(unsigned int port_num) -+{ -+ unsigned long reg_data; -+ -+ reg_data = TITAN_GE_READ(TITAN_GE_TMAC_CONFIG_1 + (port_num << 12)); -+ if (!(reg_data & 0x8000)) { -+ printk("TMAC disabled for port %d!! \n", port_num); -+ -+ reg_data |= 0x0001; /* Enable TMAC */ -+ reg_data |= 0x4000; /* CRC Check Enable */ -+ reg_data |= 0x2000; /* Padding enable */ -+ reg_data |= 0x0800; /* CRC Add enable */ -+ reg_data |= 0x0080; /* PAUSE frame */ -+ -+ TITAN_GE_WRITE((TITAN_GE_TMAC_CONFIG_1 + -+ (port_num << 12)), reg_data); -+ } -+} -+ -+/* -+ * Tx Timeout function -+ */ -+static void titan_ge_tx_timeout(struct net_device *netdev) -+{ -+ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); -+ -+ printk(KERN_INFO "%s: TX timeout ", netdev->name); -+ printk(KERN_INFO "Resetting card \n"); -+ -+ /* Do the reset outside of interrupt context */ -+ schedule_work(&titan_ge_eth->tx_timeout_task); -+} -+ -+/* -+ * Update the AFX tables for UC and MC for slice 0 only -+ */ -+static void titan_ge_update_afx(titan_ge_port_info * titan_ge_eth) -+{ -+ int port = titan_ge_eth->port_num; -+ unsigned int i; -+ volatile unsigned long reg_data = 0; -+ u8 p_addr[6]; -+ -+ memcpy(p_addr, titan_ge_eth->port_mac_addr, 6); -+ -+ /* Set the MAC address here for TMAC and RMAC */ -+ TITAN_GE_WRITE((TITAN_GE_TMAC_STATION_HI + (port << 12)), -+ ((p_addr[5] << 8) | p_addr[4])); -+ TITAN_GE_WRITE((TITAN_GE_TMAC_STATION_MID + (port << 12)), -+ ((p_addr[3] << 8) | p_addr[2])); -+ TITAN_GE_WRITE((TITAN_GE_TMAC_STATION_LOW + (port << 12)), -+ ((p_addr[1] << 8) | p_addr[0])); -+ -+ TITAN_GE_WRITE((TITAN_GE_RMAC_STATION_HI + (port << 12)), -+ ((p_addr[5] << 8) | p_addr[4])); -+ TITAN_GE_WRITE((TITAN_GE_RMAC_STATION_MID + (port << 12)), -+ ((p_addr[3] << 8) | p_addr[2])); -+ TITAN_GE_WRITE((TITAN_GE_RMAC_STATION_LOW + (port << 12)), -+ ((p_addr[1] << 8) | p_addr[0])); -+ -+ TITAN_GE_WRITE((0x112c | (port << 12)), 0x1); -+ /* Configure the eight address filters */ -+ for (i = 0; i < 8; i++) { -+ /* Select each of the eight filters */ -+ TITAN_GE_WRITE((TITAN_GE_AFX_ADDRS_FILTER_CTRL_2 + -+ (port << 12)), i); -+ -+ /* Configure the match */ -+ reg_data = 0x9; /* Forward Enable Bit */ -+ TITAN_GE_WRITE((TITAN_GE_AFX_ADDRS_FILTER_CTRL_0 + -+ (port << 12)), reg_data); -+ -+ /* Finally, AFX Exact Match Address Registers */ -+ TITAN_GE_WRITE((TITAN_GE_AFX_EXACT_MATCH_LOW + (port << 12)), -+ ((p_addr[1] << 8) | p_addr[0])); -+ TITAN_GE_WRITE((TITAN_GE_AFX_EXACT_MATCH_MID + (port << 12)), -+ ((p_addr[3] << 8) | p_addr[2])); -+ TITAN_GE_WRITE((TITAN_GE_AFX_EXACT_MATCH_HIGH + (port << 12)), -+ ((p_addr[5] << 8) | p_addr[4])); -+ -+ /* VLAN id set to 0 */ -+ TITAN_GE_WRITE((TITAN_GE_AFX_EXACT_MATCH_VID + -+ (port << 12)), 0); -+ } -+} -+ -+/* -+ * Actual Routine to reset the adapter when the timeout occurred -+ */ -+static void titan_ge_tx_timeout_task(struct net_device *netdev) -+{ -+ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); -+ int port = titan_ge_eth->port_num; -+ -+ printk("Titan GE: Transmit timed out. Resetting ... \n"); -+ -+ /* Dump debug info */ -+ printk(KERN_ERR "TRTG cause : %x \n", -+ TITAN_GE_READ(0x100c + (port << 12))); -+ -+ /* Fix this for the other ports */ -+ printk(KERN_ERR "FIFO cause : %x \n", TITAN_GE_READ(0x482c)); -+ printk(KERN_ERR "IE cause : %x \n", TITAN_GE_READ(0x0040)); -+ printk(KERN_ERR "XDMA GDI ERROR : %x \n", -+ TITAN_GE_READ(0x5008 + (port << 8))); -+ printk(KERN_ERR "CHANNEL ERROR: %x \n", -+ TITAN_GE_READ(TITAN_GE_CHANNEL0_INTERRUPT -+ + (port << 8))); -+ -+ netif_device_detach(netdev); -+ titan_ge_port_reset(titan_ge_eth->port_num); -+ titan_ge_port_start(netdev, titan_ge_eth); -+ netif_device_attach(netdev); -+} -+ -+/* -+ * Change the MTU of the Ethernet Device -+ */ -+static int titan_ge_change_mtu(struct net_device *netdev, int new_mtu) -+{ -+ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); -+ unsigned long flags; -+ -+ if ((new_mtu > 9500) || (new_mtu < 64)) -+ return -EINVAL; -+ -+ spin_lock_irqsave(&titan_ge_eth->lock, flags); -+ -+ netdev->mtu = new_mtu; -+ -+ /* Now we have to reopen the interface so that SKBs with the new -+ * size will be allocated */ -+ -+ if (netif_running(netdev)) { -+ titan_ge_eth_stop(netdev); -+ -+ if (titan_ge_eth_open(netdev) != TITAN_OK) { -+ printk(KERN_ERR -+ "%s: Fatal error on opening device\n", -+ netdev->name); -+ spin_unlock_irqrestore(&titan_ge_eth->lock, flags); -+ return -1; -+ } -+ } -+ -+ spin_unlock_irqrestore(&titan_ge_eth->lock, flags); -+ return 0; -+} -+ -+/* -+ * Titan Gbe Interrupt Handler. All the three ports send interrupt to one line -+ * only. Once an interrupt is triggered, figure out the port and then check -+ * the channel. -+ */ -+static irqreturn_t titan_ge_int_handler(int irq, void *dev_id) -+{ -+ struct net_device *netdev = (struct net_device *) dev_id; -+ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); -+ unsigned int port_num = titan_ge_eth->port_num; -+ unsigned int reg_data; -+ unsigned int eth_int_cause_error = 0, is; -+ unsigned long eth_int_cause1; -+ int err = 0; -+#ifdef CONFIG_SMP -+ unsigned long eth_int_cause2; -+#endif -+ -+ /* Ack the CPU interrupt */ -+ switch (port_num) { -+ case 0: -+ is = OCD_READ(RM9000x2_OCD_INTP0STATUS1); -+ OCD_WRITE(RM9000x2_OCD_INTP0CLEAR1, is); -+ -+#ifdef CONFIG_SMP -+ is = OCD_READ(RM9000x2_OCD_INTP1STATUS1); -+ OCD_WRITE(RM9000x2_OCD_INTP1CLEAR1, is); -+#endif -+ break; -+ -+ case 1: -+ is = OCD_READ(RM9000x2_OCD_INTP0STATUS0); -+ OCD_WRITE(RM9000x2_OCD_INTP0CLEAR0, is); -+ -+#ifdef CONFIG_SMP -+ is = OCD_READ(RM9000x2_OCD_INTP1STATUS0); -+ OCD_WRITE(RM9000x2_OCD_INTP1CLEAR0, is); -+#endif -+ break; -+ -+ case 2: -+ is = OCD_READ(RM9000x2_OCD_INTP0STATUS4); -+ OCD_WRITE(RM9000x2_OCD_INTP0CLEAR4, is); -+ -+#ifdef CONFIG_SMP -+ is = OCD_READ(RM9000x2_OCD_INTP1STATUS4); -+ OCD_WRITE(RM9000x2_OCD_INTP1CLEAR4, is); -+#endif -+ } -+ -+ eth_int_cause1 = TITAN_GE_READ(TITAN_GE_INTR_XDMA_CORE_A); -+#ifdef CONFIG_SMP -+ eth_int_cause2 = TITAN_GE_READ(TITAN_GE_INTR_XDMA_CORE_B); -+#endif -+ -+ /* Spurious interrupt */ -+#ifdef CONFIG_SMP -+ if ( (eth_int_cause1 == 0) && (eth_int_cause2 == 0)) { -+#else -+ if (eth_int_cause1 == 0) { -+#endif -+ eth_int_cause_error = TITAN_GE_READ(TITAN_GE_CHANNEL0_INTERRUPT + -+ (port_num << 8)); -+ -+ if (eth_int_cause_error == 0) -+ return IRQ_NONE; -+ } -+ -+ /* Handle Tx first. No need to ack interrupts */ -+#ifdef CONFIG_SMP -+ if ( (eth_int_cause1 & 0x20202) || -+ (eth_int_cause2 & 0x20202) ) -+#else -+ if (eth_int_cause1 & 0x20202) -+#endif -+ titan_ge_free_tx_queue(titan_ge_eth); -+ -+ /* Handle the Rx next */ -+#ifdef CONFIG_SMP -+ if ( (eth_int_cause1 & 0x10101) || -+ (eth_int_cause2 & 0x10101)) { -+#else -+ if (eth_int_cause1 & 0x10101) { -+#endif -+ if (netif_rx_schedule_prep(netdev)) { -+ unsigned int ack; -+ -+ ack = TITAN_GE_READ(TITAN_GE_INTR_XDMA_IE); -+ /* Disable Tx and Rx both */ -+ if (port_num == 0) -+ ack &= ~(0x3); -+ if (port_num == 1) -+ ack &= ~(0x300); -+ -+ if (port_num == 2) -+ ack &= ~(0x30000); -+ -+ /* Interrupts have been disabled */ -+ TITAN_GE_WRITE(TITAN_GE_INTR_XDMA_IE, ack); -+ -+ __netif_rx_schedule(netdev); -+ } -+ } -+ -+ /* Handle error interrupts */ -+ if (eth_int_cause_error && (eth_int_cause_error != 0x2)) { -+ printk(KERN_ERR -+ "XDMA Channel Error : %x on port %d\n", -+ eth_int_cause_error, port_num); -+ -+ printk(KERN_ERR -+ "XDMA GDI Hardware error : %x on port %d\n", -+ TITAN_GE_READ(0x5008 + (port_num << 8)), port_num); -+ -+ printk(KERN_ERR -+ "XDMA currently has %d Rx descriptors \n", -+ TITAN_GE_READ(0x5048 + (port_num << 8))); -+ -+ printk(KERN_ERR -+ "XDMA currently has prefetcted %d Rx descriptors \n", -+ TITAN_GE_READ(0x505c + (port_num << 8))); -+ -+ TITAN_GE_WRITE((TITAN_GE_CHANNEL0_INTERRUPT + -+ (port_num << 8)), eth_int_cause_error); -+ } -+ -+ /* -+ * PHY interrupt to inform abt the changes. Reading the -+ * PHY Status register will clear the interrupt -+ */ -+ if ((!(eth_int_cause1 & 0x30303)) && -+ (eth_int_cause_error == 0)) { -+ err = -+ titan_ge_mdio_read(port_num, -+ TITAN_GE_MDIO_PHY_IS, ®_data); -+ -+ if (reg_data & 0x0400) { -+ /* Link status change */ -+ titan_ge_mdio_read(port_num, -+ TITAN_GE_MDIO_PHY_STATUS, ®_data); -+ if (!(reg_data & 0x0400)) { -+ /* Link is down */ -+ netif_carrier_off(netdev); -+ netif_stop_queue(netdev); -+ } else { -+ /* Link is up */ -+ netif_carrier_on(netdev); -+ netif_wake_queue(netdev); -+ -+ /* Enable the queue */ -+ titan_ge_enable_tx(port_num); -+ } -+ } -+ } -+ -+ return IRQ_HANDLED; -+} -+ -+/* -+ * Multicast and Promiscuous mode set. The -+ * set_multi entry point is called whenever the -+ * multicast address list or the network interface -+ * flags are updated. -+ */ -+static void titan_ge_set_multi(struct net_device *netdev) -+{ -+ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); -+ unsigned int port_num = titan_ge_eth->port_num; -+ unsigned long reg_data; -+ -+ reg_data = TITAN_GE_READ(TITAN_GE_AFX_ADDRS_FILTER_CTRL_1 + -+ (port_num << 12)); -+ -+ if (netdev->flags & IFF_PROMISC) { -+ reg_data |= 0x2; -+ } -+ else if (netdev->flags & IFF_ALLMULTI) { -+ reg_data |= 0x01; -+ reg_data |= 0x400; /* Use the 64-bit Multicast Hash bin */ -+ } -+ else { -+ reg_data = 0x2; -+ } -+ -+ TITAN_GE_WRITE((TITAN_GE_AFX_ADDRS_FILTER_CTRL_1 + -+ (port_num << 12)), reg_data); -+ if (reg_data & 0x01) { -+ TITAN_GE_WRITE((TITAN_GE_AFX_MULTICAST_HASH_LOW + -+ (port_num << 12)), 0xffff); -+ TITAN_GE_WRITE((TITAN_GE_AFX_MULTICAST_HASH_MIDLOW + -+ (port_num << 12)), 0xffff); -+ TITAN_GE_WRITE((TITAN_GE_AFX_MULTICAST_HASH_MIDHI + -+ (port_num << 12)), 0xffff); -+ TITAN_GE_WRITE((TITAN_GE_AFX_MULTICAST_HASH_HI + -+ (port_num << 12)), 0xffff); -+ } -+} -+ -+/* -+ * Open the network device -+ */ -+static int titan_ge_open(struct net_device *netdev) -+{ -+ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); -+ unsigned int port_num = titan_ge_eth->port_num; -+ unsigned int irq = TITAN_ETH_PORT_IRQ - port_num; -+ int retval; -+ -+ retval = request_irq(irq, titan_ge_int_handler, -+ SA_INTERRUPT | SA_SAMPLE_RANDOM , netdev->name, netdev); -+ -+ if (retval != 0) { -+ printk(KERN_ERR "Cannot assign IRQ number to TITAN GE \n"); -+ return -1; -+ } -+ -+ netdev->irq = irq; -+ printk(KERN_INFO "Assigned IRQ %d to port %d\n", irq, port_num); -+ -+ spin_lock_irq(&(titan_ge_eth->lock)); -+ -+ if (titan_ge_eth_open(netdev) != TITAN_OK) { -+ spin_unlock_irq(&(titan_ge_eth->lock)); -+ printk("%s: Error opening interface \n", netdev->name); -+ free_irq(netdev->irq, netdev); -+ return -EBUSY; -+ } -+ -+ spin_unlock_irq(&(titan_ge_eth->lock)); -+ -+ return 0; -+} -+ -+/* -+ * Allocate the SKBs for the Rx ring. Also used -+ * for refilling the queue -+ */ -+static int titan_ge_rx_task(struct net_device *netdev, -+ titan_ge_port_info *titan_ge_port) -+{ -+ struct device *device = &titan_ge_device[titan_ge_port->port_num]->dev; -+ volatile titan_ge_rx_desc *rx_desc; -+ struct sk_buff *skb; -+ int rx_used_desc; -+ int count = 0; -+ -+ while (titan_ge_port->rx_ring_skbs < titan_ge_port->rx_ring_size) { -+ -+ /* First try to get the skb from the recycler */ -+#ifdef TITAN_GE_JUMBO_FRAMES -+ skb = titan_ge_alloc_skb(TITAN_GE_JUMBO_BUFSIZE, GFP_ATOMIC); -+#else -+ skb = titan_ge_alloc_skb(TITAN_GE_STD_BUFSIZE, GFP_ATOMIC); -+#endif -+ if (unlikely(!skb)) { -+ /* OOM, set the flag */ -+ printk("OOM \n"); -+ oom_flag = 1; -+ break; -+ } -+ count++; -+ skb->dev = netdev; -+ -+ titan_ge_port->rx_ring_skbs++; -+ -+ rx_used_desc = titan_ge_port->rx_used_desc_q; -+ rx_desc = &(titan_ge_port->rx_desc_area[rx_used_desc]); -+ -+#ifdef TITAN_GE_JUMBO_FRAMES -+ rx_desc->buffer_addr = dma_map_single(device, skb->data, -+ TITAN_GE_JUMBO_BUFSIZE - 2, DMA_FROM_DEVICE); -+#else -+ rx_desc->buffer_addr = dma_map_single(device, skb->data, -+ TITAN_GE_STD_BUFSIZE - 2, DMA_FROM_DEVICE); -+#endif -+ -+ titan_ge_port->rx_skb[rx_used_desc] = skb; -+ rx_desc->cmd_sts = TITAN_GE_RX_BUFFER_OWNED; -+ -+ titan_ge_port->rx_used_desc_q = -+ (rx_used_desc + 1) % TITAN_GE_RX_QUEUE; -+ } -+ -+ return count; -+} -+ -+/* -+ * Actual init of the Tital GE port. There is one register for -+ * the channel configuration -+ */ -+static void titan_port_init(struct net_device *netdev, -+ titan_ge_port_info * titan_ge_eth) -+{ -+ unsigned long reg_data; -+ -+ titan_ge_port_reset(titan_ge_eth->port_num); -+ -+ /* First reset the TMAC */ -+ reg_data = TITAN_GE_READ(TITAN_GE_CHANNEL0_CONFIG); -+ reg_data |= 0x80000000; -+ TITAN_GE_WRITE(TITAN_GE_CHANNEL0_CONFIG, reg_data); -+ -+ udelay(30); -+ -+ reg_data = TITAN_GE_READ(TITAN_GE_CHANNEL0_CONFIG); -+ reg_data &= ~(0xc0000000); -+ TITAN_GE_WRITE(TITAN_GE_CHANNEL0_CONFIG, reg_data); -+ -+ /* Now reset the RMAC */ -+ reg_data = TITAN_GE_READ(TITAN_GE_CHANNEL0_CONFIG); -+ reg_data |= 0x00080000; -+ TITAN_GE_WRITE(TITAN_GE_CHANNEL0_CONFIG, reg_data); -+ -+ udelay(30); -+ -+ reg_data = TITAN_GE_READ(TITAN_GE_CHANNEL0_CONFIG); -+ reg_data &= ~(0x000c0000); -+ TITAN_GE_WRITE(TITAN_GE_CHANNEL0_CONFIG, reg_data); -+} -+ -+/* -+ * Start the port. All the hardware specific configuration -+ * for the XDMA, Tx FIFO, Rx FIFO, TMAC, RMAC, TRTG and AFX -+ * go here -+ */ -+static int titan_ge_port_start(struct net_device *netdev, -+ titan_ge_port_info * titan_port) -+{ -+ volatile unsigned long reg_data, reg_data1; -+ int port_num = titan_port->port_num; -+ int count = 0; -+ unsigned long reg_data_1; -+ -+ if (config_done == 0) { -+ reg_data = TITAN_GE_READ(0x0004); -+ reg_data |= 0x100; -+ TITAN_GE_WRITE(0x0004, reg_data); -+ -+ reg_data &= ~(0x100); -+ TITAN_GE_WRITE(0x0004, reg_data); -+ -+ /* Turn on GMII/MII mode and turn off TBI mode */ -+ reg_data = TITAN_GE_READ(TITAN_GE_TSB_CTRL_1); -+ reg_data |= 0x00000700; -+ reg_data &= ~(0x00800000); /* Fencing */ -+ -+ TITAN_GE_WRITE(0x000c, 0x00001100); -+ -+ TITAN_GE_WRITE(TITAN_GE_TSB_CTRL_1, reg_data); -+ -+ /* Set the CPU Resource Limit register */ -+ TITAN_GE_WRITE(0x00f8, 0x8); -+ -+ /* Be conservative when using the BIU buffers */ -+ TITAN_GE_WRITE(0x0068, 0x4); -+ } -+ -+ titan_port->tx_threshold = 0; -+ titan_port->rx_threshold = 0; -+ -+ /* We need to write the descriptors for Tx and Rx */ -+ TITAN_GE_WRITE((TITAN_GE_CHANNEL0_TX_DESC + (port_num << 8)), -+ (unsigned long) titan_port->tx_dma); -+ TITAN_GE_WRITE((TITAN_GE_CHANNEL0_RX_DESC + (port_num << 8)), -+ (unsigned long) titan_port->rx_dma); -+ -+ if (config_done == 0) { -+ /* Step 1: XDMA config */ -+ reg_data = TITAN_GE_READ(TITAN_GE_XDMA_CONFIG); -+ reg_data &= ~(0x80000000); /* clear reset */ -+ reg_data |= 0x1 << 29; /* sparse tx descriptor spacing */ -+ reg_data |= 0x1 << 28; /* sparse rx descriptor spacing */ -+ reg_data |= (0x1 << 23) | (0x1 << 24); /* Descriptor Coherency */ -+ reg_data |= (0x1 << 21) | (0x1 << 22); /* Data Coherency */ -+ TITAN_GE_WRITE(TITAN_GE_XDMA_CONFIG, reg_data); -+ } -+ -+ /* IR register for the XDMA */ -+ reg_data = TITAN_GE_READ(TITAN_GE_GDI_INTERRUPT_ENABLE + (port_num << 8)); -+ reg_data |= 0x80068000; /* No Rx_OOD */ -+ TITAN_GE_WRITE((TITAN_GE_GDI_INTERRUPT_ENABLE + (port_num << 8)), reg_data); -+ -+ /* Start the Tx and Rx XDMA controller */ -+ reg_data = TITAN_GE_READ(TITAN_GE_CHANNEL0_CONFIG + (port_num << 8)); -+ reg_data &= 0x4fffffff; /* Clear tx reset */ -+ reg_data &= 0xfff4ffff; /* Clear rx reset */ -+ -+#ifdef TITAN_GE_JUMBO_FRAMES -+ reg_data |= 0xa0 | 0x30030000; -+#else -+ reg_data |= 0x40 | 0x20030000; -+#endif -+ -+#ifndef CONFIG_SMP -+ reg_data &= ~(0x10); -+ reg_data |= 0x0f; /* All of the packet */ -+#endif -+ -+ TITAN_GE_WRITE((TITAN_GE_CHANNEL0_CONFIG + (port_num << 8)), reg_data); -+ -+ /* Rx desc count */ -+ count = titan_ge_rx_task(netdev, titan_port); -+ TITAN_GE_WRITE((0x5048 + (port_num << 8)), count); -+ count = TITAN_GE_READ(0x5048 + (port_num << 8)); -+ -+ udelay(30); -+ -+ /* -+ * Step 2: Configure the SDQPF, i.e. FIFO -+ */ -+ if (config_done == 0) { -+ reg_data = TITAN_GE_READ(TITAN_GE_SDQPF_RXFIFO_CTL); -+ reg_data = 0x1; -+ TITAN_GE_WRITE(TITAN_GE_SDQPF_RXFIFO_CTL, reg_data); -+ reg_data &= ~(0x1); -+ TITAN_GE_WRITE(TITAN_GE_SDQPF_RXFIFO_CTL, reg_data); -+ reg_data = TITAN_GE_READ(TITAN_GE_SDQPF_RXFIFO_CTL); -+ TITAN_GE_WRITE(TITAN_GE_SDQPF_RXFIFO_CTL, reg_data); -+ -+ reg_data = TITAN_GE_READ(TITAN_GE_SDQPF_TXFIFO_CTL); -+ reg_data = 0x1; -+ TITAN_GE_WRITE(TITAN_GE_SDQPF_TXFIFO_CTL, reg_data); -+ reg_data &= ~(0x1); -+ TITAN_GE_WRITE(TITAN_GE_SDQPF_TXFIFO_CTL, reg_data); -+ reg_data = TITAN_GE_READ(TITAN_GE_SDQPF_TXFIFO_CTL); -+ TITAN_GE_WRITE(TITAN_GE_SDQPF_TXFIFO_CTL, reg_data); -+ } -+ /* -+ * Enable RX FIFO 0, 4 and 8 -+ */ -+ if (port_num == 0) { -+ reg_data = TITAN_GE_READ(TITAN_GE_SDQPF_RXFIFO_0); -+ -+ reg_data |= 0x100000; -+ reg_data |= (0xff << 10); -+ -+ TITAN_GE_WRITE(TITAN_GE_SDQPF_RXFIFO_0, reg_data); -+ /* -+ * BAV2,BAV and DAV settings for the Rx FIFO -+ */ -+ reg_data1 = TITAN_GE_READ(0x4844); -+ reg_data1 |= ( (0x10 << 20) | (0x10 << 10) | 0x1); -+ TITAN_GE_WRITE(0x4844, reg_data1); -+ -+ reg_data &= ~(0x00100000); -+ reg_data |= 0x200000; -+ -+ TITAN_GE_WRITE(TITAN_GE_SDQPF_RXFIFO_0, reg_data); -+ -+ reg_data = TITAN_GE_READ(TITAN_GE_SDQPF_TXFIFO_0); -+ reg_data |= 0x100000; -+ -+ TITAN_GE_WRITE(TITAN_GE_SDQPF_TXFIFO_0, reg_data); -+ -+ reg_data |= (0xff << 10); -+ -+ TITAN_GE_WRITE(TITAN_GE_SDQPF_TXFIFO_0, reg_data); -+ -+ /* -+ * BAV2, BAV and DAV settings for the Tx FIFO -+ */ -+ reg_data1 = TITAN_GE_READ(0x4944); -+ reg_data1 = ( (0x1 << 20) | (0x1 << 10) | 0x10); -+ -+ TITAN_GE_WRITE(0x4944, reg_data1); -+ -+ reg_data &= ~(0x00100000); -+ reg_data |= 0x200000; -+ -+ TITAN_GE_WRITE(TITAN_GE_SDQPF_TXFIFO_0, reg_data); -+ -+ } -+ -+ if (port_num == 1) { -+ reg_data = TITAN_GE_READ(0x4870); -+ -+ reg_data |= 0x100000; -+ reg_data |= (0xff << 10) | (0xff + 1); -+ -+ TITAN_GE_WRITE(0x4870, reg_data); -+ /* -+ * BAV2,BAV and DAV settings for the Rx FIFO -+ */ -+ reg_data1 = TITAN_GE_READ(0x4874); -+ reg_data1 |= ( (0x10 << 20) | (0x10 << 10) | 0x1); -+ TITAN_GE_WRITE(0x4874, reg_data1); -+ -+ reg_data &= ~(0x00100000); -+ reg_data |= 0x200000; -+ -+ TITAN_GE_WRITE(0x4870, reg_data); -+ -+ reg_data = TITAN_GE_READ(0x494c); -+ reg_data |= 0x100000; -+ -+ TITAN_GE_WRITE(0x494c, reg_data); -+ reg_data |= (0xff << 10) | (0xff + 1); -+ TITAN_GE_WRITE(0x494c, reg_data); -+ -+ /* -+ * BAV2, BAV and DAV settings for the Tx FIFO -+ */ -+ reg_data1 = TITAN_GE_READ(0x4950); -+ reg_data1 = ( (0x1 << 20) | (0x1 << 10) | 0x10); -+ -+ TITAN_GE_WRITE(0x4950, reg_data1); -+ -+ reg_data &= ~(0x00100000); -+ reg_data |= 0x200000; -+ -+ TITAN_GE_WRITE(0x494c, reg_data); -+ } -+ -+ /* -+ * Titan 1.2 revision does support port #2 -+ */ -+ if (port_num == 2) { -+ /* -+ * Put the descriptors in the SRAM -+ */ -+ reg_data = TITAN_GE_READ(0x48a0); -+ -+ reg_data |= 0x100000; -+ reg_data |= (0xff << 10) | (2*(0xff + 1)); -+ -+ TITAN_GE_WRITE(0x48a0, reg_data); -+ /* -+ * BAV2,BAV and DAV settings for the Rx FIFO -+ */ -+ reg_data1 = TITAN_GE_READ(0x48a4); -+ reg_data1 |= ( (0x10 << 20) | (0x10 << 10) | 0x1); -+ TITAN_GE_WRITE(0x48a4, reg_data1); -+ -+ reg_data &= ~(0x00100000); -+ reg_data |= 0x200000; -+ -+ TITAN_GE_WRITE(0x48a0, reg_data); -+ -+ reg_data = TITAN_GE_READ(0x4958); -+ reg_data |= 0x100000; -+ -+ TITAN_GE_WRITE(0x4958, reg_data); -+ reg_data |= (0xff << 10) | (2*(0xff + 1)); -+ TITAN_GE_WRITE(0x4958, reg_data); -+ -+ /* -+ * BAV2, BAV and DAV settings for the Tx FIFO -+ */ -+ reg_data1 = TITAN_GE_READ(0x495c); -+ reg_data1 = ( (0x1 << 20) | (0x1 << 10) | 0x10); -+ -+ TITAN_GE_WRITE(0x495c, reg_data1); -+ -+ reg_data &= ~(0x00100000); -+ reg_data |= 0x200000; -+ -+ TITAN_GE_WRITE(0x4958, reg_data); -+ } -+ -+ if (port_num == 2) { -+ reg_data = TITAN_GE_READ(0x48a0); -+ -+ reg_data |= 0x100000; -+ reg_data |= (0xff << 10) | (2*(0xff + 1)); -+ -+ TITAN_GE_WRITE(0x48a0, reg_data); -+ /* -+ * BAV2,BAV and DAV settings for the Rx FIFO -+ */ -+ reg_data1 = TITAN_GE_READ(0x48a4); -+ reg_data1 |= ( (0x10 << 20) | (0x10 << 10) | 0x1); -+ TITAN_GE_WRITE(0x48a4, reg_data1); -+ -+ reg_data &= ~(0x00100000); -+ reg_data |= 0x200000; -+ -+ TITAN_GE_WRITE(0x48a0, reg_data); -+ -+ reg_data = TITAN_GE_READ(0x4958); -+ reg_data |= 0x100000; -+ -+ TITAN_GE_WRITE(0x4958, reg_data); -+ reg_data |= (0xff << 10) | (2*(0xff + 1)); -+ TITAN_GE_WRITE(0x4958, reg_data); -+ -+ /* -+ * BAV2, BAV and DAV settings for the Tx FIFO -+ */ -+ reg_data1 = TITAN_GE_READ(0x495c); -+ reg_data1 = ( (0x1 << 20) | (0x1 << 10) | 0x10); -+ -+ TITAN_GE_WRITE(0x495c, reg_data1); -+ -+ reg_data &= ~(0x00100000); -+ reg_data |= 0x200000; -+ -+ TITAN_GE_WRITE(0x4958, reg_data); -+ } -+ -+ /* -+ * Step 3: TRTG block enable -+ */ -+ reg_data = TITAN_GE_READ(TITAN_GE_TRTG_CONFIG + (port_num << 12)); -+ -+ /* -+ * This is the 1.2 revision of the chip. It has fix for the -+ * IP header alignment. Now, the IP header begins at an -+ * aligned address and this wont need an extra copy in the -+ * driver. This performance drawback existed in the previous -+ * versions of the silicon -+ */ -+ reg_data_1 = TITAN_GE_READ(0x103c + (port_num << 12)); -+ reg_data_1 |= 0x40000000; -+ TITAN_GE_WRITE((0x103c + (port_num << 12)), reg_data_1); -+ -+ reg_data_1 |= 0x04000000; -+ TITAN_GE_WRITE((0x103c + (port_num << 12)), reg_data_1); -+ -+ mdelay(5); -+ -+ reg_data_1 &= ~(0x04000000); -+ TITAN_GE_WRITE((0x103c + (port_num << 12)), reg_data_1); -+ -+ mdelay(5); -+ -+ reg_data |= 0x0001; -+ TITAN_GE_WRITE((TITAN_GE_TRTG_CONFIG + (port_num << 12)), reg_data); -+ -+ /* -+ * Step 4: Start the Tx activity -+ */ -+ TITAN_GE_WRITE((TITAN_GE_TMAC_CONFIG_2 + (port_num << 12)), 0xe197); -+#ifdef TITAN_GE_JUMBO_FRAMES -+ TITAN_GE_WRITE((0x1258 + (port_num << 12)), 0x4000); -+#endif -+ reg_data = TITAN_GE_READ(TITAN_GE_TMAC_CONFIG_1 + (port_num << 12)); -+ reg_data |= 0x0001; /* Enable TMAC */ -+ reg_data |= 0x6c70; /* PAUSE also set */ -+ -+ TITAN_GE_WRITE((TITAN_GE_TMAC_CONFIG_1 + (port_num << 12)), reg_data); -+ -+ udelay(30); -+ -+ /* Destination Address drop bit */ -+ reg_data = TITAN_GE_READ(TITAN_GE_RMAC_CONFIG_2 + (port_num << 12)); -+ reg_data |= 0x218; /* DA_DROP bit and pause */ -+ TITAN_GE_WRITE((TITAN_GE_RMAC_CONFIG_2 + (port_num << 12)), reg_data); -+ -+ TITAN_GE_WRITE((0x1218 + (port_num << 12)), 0x3); -+ -+#ifdef TITAN_GE_JUMBO_FRAMES -+ TITAN_GE_WRITE((0x1208 + (port_num << 12)), 0x4000); -+#endif -+ /* Start the Rx activity */ -+ reg_data = TITAN_GE_READ(TITAN_GE_RMAC_CONFIG_1 + (port_num << 12)); -+ reg_data |= 0x0001; /* RMAC Enable */ -+ reg_data |= 0x0010; /* CRC Check enable */ -+ reg_data |= 0x0040; /* Min Frame check enable */ -+ reg_data |= 0x4400; /* Max Frame check enable */ -+ -+ TITAN_GE_WRITE((TITAN_GE_RMAC_CONFIG_1 + (port_num << 12)), reg_data); -+ -+ udelay(30); -+ -+ /* -+ * Enable the Interrupts for Tx and Rx -+ */ -+ reg_data1 = TITAN_GE_READ(TITAN_GE_INTR_XDMA_IE); -+ -+ if (port_num == 0) { -+ reg_data1 |= 0x3; -+#ifdef CONFIG_SMP -+ TITAN_GE_WRITE(0x0038, 0x003); -+#else -+ TITAN_GE_WRITE(0x0038, 0x303); -+#endif -+ } -+ -+ if (port_num == 1) { -+ reg_data1 |= 0x300; -+ } -+ -+ if (port_num == 2) -+ reg_data1 |= 0x30000; -+ -+ TITAN_GE_WRITE(TITAN_GE_INTR_XDMA_IE, reg_data1); -+ TITAN_GE_WRITE(0x003c, 0x300); -+ -+ if (config_done == 0) { -+ TITAN_GE_WRITE(0x0024, 0x04000024); /* IRQ vector */ -+ TITAN_GE_WRITE(0x0020, 0x000fb000); /* INTMSG base */ -+ } -+ -+ /* Priority */ -+ reg_data = TITAN_GE_READ(0x1038 + (port_num << 12)); -+ reg_data &= ~(0x00f00000); -+ TITAN_GE_WRITE((0x1038 + (port_num << 12)), reg_data); -+ -+ /* Step 5: GMII config */ -+ titan_ge_gmii_config(port_num); -+ -+ if (config_done == 0) { -+ TITAN_GE_WRITE(0x1a80, 0); -+ config_done = 1; -+ } -+ -+ return TITAN_OK; -+} -+ -+/* -+ * Function to queue the packet for the Ethernet device -+ */ -+static void titan_ge_tx_queue(titan_ge_port_info * titan_ge_eth, -+ struct sk_buff * skb) -+{ -+ struct device *device = &titan_ge_device[titan_ge_eth->port_num]->dev; -+ unsigned int curr_desc = titan_ge_eth->tx_curr_desc_q; -+ volatile titan_ge_tx_desc *tx_curr; -+ int port_num = titan_ge_eth->port_num; -+ -+ tx_curr = &(titan_ge_eth->tx_desc_area[curr_desc]); -+ tx_curr->buffer_addr = -+ dma_map_single(device, skb->data, skb_headlen(skb), -+ DMA_TO_DEVICE); -+ -+ titan_ge_eth->tx_skb[curr_desc] = (struct sk_buff *) skb; -+ tx_curr->buffer_len = skb_headlen(skb); -+ -+ /* Last descriptor enables interrupt and changes ownership */ -+ tx_curr->cmd_sts = 0x1 | (1 << 15) | (1 << 5); -+ -+ /* Kick the XDMA to start the transfer from memory to the FIFO */ -+ TITAN_GE_WRITE((0x5044 + (port_num << 8)), 0x1); -+ -+ /* Current descriptor updated */ -+ titan_ge_eth->tx_curr_desc_q = (curr_desc + 1) % TITAN_GE_TX_QUEUE; -+ -+ /* Prefetch the next descriptor */ -+ prefetch((const void *) -+ &titan_ge_eth->tx_desc_area[titan_ge_eth->tx_curr_desc_q]); -+} -+ -+/* -+ * Actually does the open of the Ethernet device -+ */ -+static int titan_ge_eth_open(struct net_device *netdev) -+{ -+ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); -+ unsigned int port_num = titan_ge_eth->port_num; -+ struct device *device = &titan_ge_device[port_num]->dev; -+ unsigned long reg_data; -+ unsigned int phy_reg; -+ int err = 0; -+ -+ /* Stop the Rx activity */ -+ reg_data = TITAN_GE_READ(TITAN_GE_RMAC_CONFIG_1 + (port_num << 12)); -+ reg_data &= ~(0x00000001); -+ TITAN_GE_WRITE((TITAN_GE_RMAC_CONFIG_1 + (port_num << 12)), reg_data); -+ -+ /* Clear the port interrupts */ -+ TITAN_GE_WRITE((TITAN_GE_CHANNEL0_INTERRUPT + (port_num << 8)), 0x0); -+ -+ if (config_done == 0) { -+ TITAN_GE_WRITE(TITAN_GE_INTR_XDMA_CORE_A, 0); -+ TITAN_GE_WRITE(TITAN_GE_INTR_XDMA_CORE_B, 0); -+ } -+ -+ /* Set the MAC Address */ -+ memcpy(titan_ge_eth->port_mac_addr, netdev->dev_addr, 6); -+ -+ if (config_done == 0) -+ titan_port_init(netdev, titan_ge_eth); -+ -+ titan_ge_update_afx(titan_ge_eth); -+ -+ /* Allocate the Tx ring now */ -+ titan_ge_eth->tx_ring_skbs = 0; -+ titan_ge_eth->tx_ring_size = TITAN_GE_TX_QUEUE; -+ -+ /* Allocate space in the SRAM for the descriptors */ -+ titan_ge_eth->tx_desc_area = (titan_ge_tx_desc *) -+ (titan_ge_sram + TITAN_TX_RING_BYTES * port_num); -+ titan_ge_eth->tx_dma = TITAN_SRAM_BASE + TITAN_TX_RING_BYTES * port_num; -+ -+ if (!titan_ge_eth->tx_desc_area) { -+ printk(KERN_ERR -+ "%s: Cannot allocate Tx Ring (size %d bytes) for port %d\n", -+ netdev->name, TITAN_TX_RING_BYTES, port_num); -+ return -ENOMEM; -+ } -+ -+ memset(titan_ge_eth->tx_desc_area, 0, titan_ge_eth->tx_desc_area_size); -+ -+ /* Now initialize the Tx descriptor ring */ -+ titan_ge_init_tx_desc_ring(titan_ge_eth, -+ titan_ge_eth->tx_ring_size, -+ (unsigned long) titan_ge_eth->tx_desc_area, -+ (unsigned long) titan_ge_eth->tx_dma); -+ -+ /* Allocate the Rx ring now */ -+ titan_ge_eth->rx_ring_size = TITAN_GE_RX_QUEUE; -+ titan_ge_eth->rx_ring_skbs = 0; -+ -+ titan_ge_eth->rx_desc_area = -+ (titan_ge_rx_desc *)(titan_ge_sram + 0x1000 + TITAN_RX_RING_BYTES * port_num); -+ -+ titan_ge_eth->rx_dma = TITAN_SRAM_BASE + 0x1000 + TITAN_RX_RING_BYTES * port_num; -+ -+ if (!titan_ge_eth->rx_desc_area) { -+ printk(KERN_ERR "%s: Cannot allocate Rx Ring (size %d bytes)\n", -+ netdev->name, TITAN_RX_RING_BYTES); -+ -+ printk(KERN_ERR "%s: Freeing previously allocated TX queues...", -+ netdev->name); -+ -+ dma_free_coherent(device, titan_ge_eth->tx_desc_area_size, -+ (void *) titan_ge_eth->tx_desc_area, -+ titan_ge_eth->tx_dma); -+ -+ return -ENOMEM; -+ } -+ -+ memset(titan_ge_eth->rx_desc_area, 0, titan_ge_eth->rx_desc_area_size); -+ -+ /* Now initialize the Rx ring */ -+#ifdef TITAN_GE_JUMBO_FRAMES -+ if ((titan_ge_init_rx_desc_ring -+ (titan_ge_eth, titan_ge_eth->rx_ring_size, TITAN_GE_JUMBO_BUFSIZE, -+ (unsigned long) titan_ge_eth->rx_desc_area, 0, -+ (unsigned long) titan_ge_eth->rx_dma)) == 0) -+#else -+ if ((titan_ge_init_rx_desc_ring -+ (titan_ge_eth, titan_ge_eth->rx_ring_size, TITAN_GE_STD_BUFSIZE, -+ (unsigned long) titan_ge_eth->rx_desc_area, 0, -+ (unsigned long) titan_ge_eth->rx_dma)) == 0) -+#endif -+ panic("%s: Error initializing RX Ring\n", netdev->name); -+ -+ /* Fill the Rx ring with the SKBs */ -+ titan_ge_port_start(netdev, titan_ge_eth); -+ -+ /* -+ * Check if Interrupt Coalscing needs to be turned on. The -+ * values specified in the register is multiplied by -+ * (8 x 64 nanoseconds) to determine when an interrupt should -+ * be sent to the CPU. -+ */ -+ -+ if (TITAN_GE_TX_COAL) { -+ titan_ge_eth->tx_int_coal = -+ titan_ge_tx_coal(TITAN_GE_TX_COAL, port_num); -+ } -+ -+ err = titan_ge_mdio_read(port_num, TITAN_GE_MDIO_PHY_STATUS, &phy_reg); -+ if (err == TITAN_GE_MDIO_ERROR) { -+ printk(KERN_ERR -+ "Could not read PHY control register 0x11 \n"); -+ return TITAN_ERROR; -+ } -+ if (!(phy_reg & 0x0400)) { -+ netif_carrier_off(netdev); -+ netif_stop_queue(netdev); -+ return TITAN_ERROR; -+ } else { -+ netif_carrier_on(netdev); -+ netif_start_queue(netdev); -+ } -+ -+ return TITAN_OK; -+} -+ -+/* -+ * Queue the packet for Tx. Currently no support for zero copy, -+ * checksum offload and Scatter Gather. The chip does support -+ * Scatter Gather only. But, that wont help here since zero copy -+ * requires support for Tx checksumming also. -+ */ -+int titan_ge_start_xmit(struct sk_buff *skb, struct net_device *netdev) -+{ -+ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); -+ unsigned long flags; -+ struct net_device_stats *stats; -+//printk("titan_ge_start_xmit\n"); -+ -+ stats = &titan_ge_eth->stats; -+ spin_lock_irqsave(&titan_ge_eth->lock, flags); -+ -+ if ((TITAN_GE_TX_QUEUE - titan_ge_eth->tx_ring_skbs) <= -+ (skb_shinfo(skb)->nr_frags + 1)) { -+ netif_stop_queue(netdev); -+ spin_unlock_irqrestore(&titan_ge_eth->lock, flags); -+ printk(KERN_ERR "Tx OOD \n"); -+ return 1; -+ } -+ -+ titan_ge_tx_queue(titan_ge_eth, skb); -+ titan_ge_eth->tx_ring_skbs++; -+ -+ if (TITAN_GE_TX_QUEUE <= (titan_ge_eth->tx_ring_skbs + 4)) { -+ spin_unlock_irqrestore(&titan_ge_eth->lock, flags); -+ titan_ge_free_tx_queue(titan_ge_eth); -+ spin_lock_irqsave(&titan_ge_eth->lock, flags); -+ } -+ -+ stats->tx_bytes += skb->len; -+ stats->tx_packets++; -+ -+ spin_unlock_irqrestore(&titan_ge_eth->lock, flags); -+ -+ netdev->trans_start = jiffies; -+ -+ return 0; -+} -+ -+/* -+ * Actually does the Rx. Rx side checksumming supported. -+ */ -+static int titan_ge_rx(struct net_device *netdev, int port_num, -+ titan_ge_port_info * titan_ge_port, -+ titan_ge_packet * packet) -+{ -+ int rx_curr_desc, rx_used_desc; -+ volatile titan_ge_rx_desc *rx_desc; -+ -+ rx_curr_desc = titan_ge_port->rx_curr_desc_q; -+ rx_used_desc = titan_ge_port->rx_used_desc_q; -+ -+ if (((rx_curr_desc + 1) % TITAN_GE_RX_QUEUE) == rx_used_desc) -+ return TITAN_ERROR; -+ -+ rx_desc = &(titan_ge_port->rx_desc_area[rx_curr_desc]); -+ -+ if (rx_desc->cmd_sts & TITAN_GE_RX_BUFFER_OWNED) -+ return TITAN_ERROR; -+ -+ packet->skb = titan_ge_port->rx_skb[rx_curr_desc]; -+ packet->len = (rx_desc->cmd_sts & 0x7fff); -+ -+ /* -+ * At this point, we dont know if the checksumming -+ * actually helps relieve CPU. So, keep it for -+ * port 0 only -+ */ -+ packet->checksum = ntohs((rx_desc->buffer & 0xffff0000) >> 16); -+ packet->cmd_sts = rx_desc->cmd_sts; -+ -+ titan_ge_port->rx_curr_desc_q = (rx_curr_desc + 1) % TITAN_GE_RX_QUEUE; -+ -+ /* Prefetch the next descriptor */ -+ prefetch((const void *) -+ &titan_ge_port->rx_desc_area[titan_ge_port->rx_curr_desc_q + 1]); -+ -+ return TITAN_OK; -+} -+ -+/* -+ * Free the Tx queue of the used SKBs -+ */ -+static int titan_ge_free_tx_queue(titan_ge_port_info *titan_ge_eth) -+{ -+ unsigned long flags; -+ -+ /* Take the lock */ -+ spin_lock_irqsave(&(titan_ge_eth->lock), flags); -+ -+ while (titan_ge_return_tx_desc(titan_ge_eth, titan_ge_eth->port_num) == 0) -+ if (titan_ge_eth->tx_ring_skbs != 1) -+ titan_ge_eth->tx_ring_skbs--; -+ -+ spin_unlock_irqrestore(&titan_ge_eth->lock, flags); -+ -+ return TITAN_OK; -+} -+ -+/* -+ * Threshold beyond which we do the cleaning of -+ * Tx queue and new allocation for the Rx -+ * queue -+ */ -+#define TX_THRESHOLD 4 -+#define RX_THRESHOLD 10 -+ -+/* -+ * Receive the packets and send it to the kernel. -+ */ -+static int titan_ge_receive_queue(struct net_device *netdev, unsigned int max) -+{ -+ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); -+ unsigned int port_num = titan_ge_eth->port_num; -+ titan_ge_packet packet; -+ struct net_device_stats *stats; -+ struct sk_buff *skb; -+ unsigned long received_packets = 0; -+ unsigned int ack; -+ -+ stats = &titan_ge_eth->stats; -+ -+ while ((--max) -+ && (titan_ge_rx(netdev, port_num, titan_ge_eth, &packet) == TITAN_OK)) { -+ skb = (struct sk_buff *) packet.skb; -+ -+ titan_ge_eth->rx_ring_skbs--; -+ -+ if (--titan_ge_eth->rx_work_limit < 0) -+ break; -+ received_packets++; -+ -+ stats->rx_packets++; -+ stats->rx_bytes += packet.len; -+ -+ if ((packet.cmd_sts & TITAN_GE_RX_PERR) || -+ (packet.cmd_sts & TITAN_GE_RX_OVERFLOW_ERROR) || -+ (packet.cmd_sts & TITAN_GE_RX_TRUNC) || -+ (packet.cmd_sts & TITAN_GE_RX_CRC_ERROR)) { -+ stats->rx_dropped++; -+ dev_kfree_skb_any(skb); -+ -+ continue; -+ } -+ /* -+ * Either support fast path or slow path. Decision -+ * making can really slow down the performance. The -+ * idea is to cut down the number of checks and improve -+ * the fastpath. -+ */ -+ -+ skb_put(skb, packet.len - 2); -+ -+ /* -+ * Increment data pointer by two since thats where -+ * the MAC starts -+ */ -+ skb_reserve(skb, 2); -+ skb->protocol = eth_type_trans(skb, netdev); -+ netif_receive_skb(skb); -+ -+ if (titan_ge_eth->rx_threshold > RX_THRESHOLD) { -+ ack = titan_ge_rx_task(netdev, titan_ge_eth); -+ TITAN_GE_WRITE((0x5048 + (port_num << 8)), ack); -+ titan_ge_eth->rx_threshold = 0; -+ } else -+ titan_ge_eth->rx_threshold++; -+ -+ if (titan_ge_eth->tx_threshold > TX_THRESHOLD) { -+ titan_ge_eth->tx_threshold = 0; -+ titan_ge_free_tx_queue(titan_ge_eth); -+ } -+ else -+ titan_ge_eth->tx_threshold++; -+ -+ } -+ return received_packets; -+} -+ -+ -+/* -+ * Enable the Rx side interrupts -+ */ -+static void titan_ge_enable_int(unsigned int port_num, -+ titan_ge_port_info *titan_ge_eth, -+ struct net_device *netdev) -+{ -+ unsigned long reg_data = TITAN_GE_READ(TITAN_GE_INTR_XDMA_IE); -+ -+ if (port_num == 0) -+ reg_data |= 0x3; -+ if (port_num == 1) -+ reg_data |= 0x300; -+ if (port_num == 2) -+ reg_data |= 0x30000; -+ -+ /* Re-enable interrupts */ -+ TITAN_GE_WRITE(TITAN_GE_INTR_XDMA_IE, reg_data); -+} -+ -+/* -+ * Main function to handle the polling for Rx side NAPI. -+ * Receive interrupts have been disabled at this point. -+ * The poll schedules the transmit followed by receive. -+ */ -+static int titan_ge_poll(struct net_device *netdev, int *budget) -+{ -+ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); -+ int port_num = titan_ge_eth->port_num; -+ int work_done = 0; -+ unsigned long flags, status; -+ -+ titan_ge_eth->rx_work_limit = *budget; -+ if (titan_ge_eth->rx_work_limit > netdev->quota) -+ titan_ge_eth->rx_work_limit = netdev->quota; -+ -+ do { -+ /* Do the transmit cleaning work here */ -+ titan_ge_free_tx_queue(titan_ge_eth); -+ -+ /* Ack the Rx interrupts */ -+ if (port_num == 0) -+ TITAN_GE_WRITE(TITAN_GE_INTR_XDMA_CORE_A, 0x3); -+ if (port_num == 1) -+ TITAN_GE_WRITE(TITAN_GE_INTR_XDMA_CORE_A, 0x300); -+ if (port_num == 2) -+ TITAN_GE_WRITE(TITAN_GE_INTR_XDMA_CORE_A, 0x30000); -+ -+ work_done += titan_ge_receive_queue(netdev, 0); -+ -+ /* Out of quota and there is work to be done */ -+ if (titan_ge_eth->rx_work_limit < 0) -+ goto not_done; -+ -+ /* Receive alloc_skb could lead to OOM */ -+ if (oom_flag == 1) { -+ oom_flag = 0; -+ goto oom; -+ } -+ -+ status = TITAN_GE_READ(TITAN_GE_INTR_XDMA_CORE_A); -+ } while (status & 0x30300); -+ -+ /* If we are here, then no more interrupts to process */ -+ goto done; -+ -+not_done: -+ *budget -= work_done; -+ netdev->quota -= work_done; -+ return 1; -+ -+oom: -+ printk(KERN_ERR "OOM \n"); -+ netif_rx_complete(netdev); -+ return 0; -+ -+done: -+ /* -+ * No more packets on the poll list. Turn the interrupts -+ * back on and we should be able to catch the new -+ * packets in the interrupt handler -+ */ -+ if (!work_done) -+ work_done = 1; -+ -+ *budget -= work_done; -+ netdev->quota -= work_done; -+ -+ spin_lock_irqsave(&titan_ge_eth->lock, flags); -+ -+ /* Remove us from the poll list */ -+ netif_rx_complete(netdev); -+ -+ /* Re-enable interrupts */ -+ titan_ge_enable_int(port_num, titan_ge_eth, netdev); -+ -+ spin_unlock_irqrestore(&titan_ge_eth->lock, flags); -+ -+ return 0; -+} -+ -+/* -+ * Close the network device -+ */ -+int titan_ge_stop(struct net_device *netdev) -+{ -+ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); -+ -+ spin_lock_irq(&(titan_ge_eth->lock)); -+ titan_ge_eth_stop(netdev); -+ free_irq(netdev->irq, netdev); -+ spin_unlock_irq(&titan_ge_eth->lock); -+ -+ return TITAN_OK; -+} -+ -+/* -+ * Free the Tx ring -+ */ -+static void titan_ge_free_tx_rings(struct net_device *netdev) -+{ -+ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); -+ unsigned int port_num = titan_ge_eth->port_num; -+ unsigned int curr; -+ unsigned long reg_data; -+ -+ /* Stop the Tx DMA */ -+ reg_data = TITAN_GE_READ(TITAN_GE_CHANNEL0_CONFIG + -+ (port_num << 8)); -+ reg_data |= 0xc0000000; -+ TITAN_GE_WRITE((TITAN_GE_CHANNEL0_CONFIG + -+ (port_num << 8)), reg_data); -+ -+ /* Disable the TMAC */ -+ reg_data = TITAN_GE_READ(TITAN_GE_TMAC_CONFIG_1 + -+ (port_num << 12)); -+ reg_data &= ~(0x00000001); -+ TITAN_GE_WRITE((TITAN_GE_TMAC_CONFIG_1 + -+ (port_num << 12)), reg_data); -+ -+ for (curr = 0; -+ (titan_ge_eth->tx_ring_skbs) && (curr < TITAN_GE_TX_QUEUE); -+ curr++) { -+ if (titan_ge_eth->tx_skb[curr]) { -+ dev_kfree_skb(titan_ge_eth->tx_skb[curr]); -+ titan_ge_eth->tx_ring_skbs--; -+ } -+ } -+ -+ if (titan_ge_eth->tx_ring_skbs != 0) -+ printk -+ ("%s: Error on Tx descriptor free - could not free %d" -+ " descriptors\n", netdev->name, -+ titan_ge_eth->tx_ring_skbs); -+ -+#ifndef TITAN_RX_RING_IN_SRAM -+ dma_free_coherent(&titan_ge_device[port_num]->dev, -+ titan_ge_eth->tx_desc_area_size, -+ (void *) titan_ge_eth->tx_desc_area, -+ titan_ge_eth->tx_dma); -+#endif -+} -+ -+/* -+ * Free the Rx ring -+ */ -+static void titan_ge_free_rx_rings(struct net_device *netdev) -+{ -+ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); -+ unsigned int port_num = titan_ge_eth->port_num; -+ unsigned int curr; -+ unsigned long reg_data; -+ -+ /* Stop the Rx DMA */ -+ reg_data = TITAN_GE_READ(TITAN_GE_CHANNEL0_CONFIG + -+ (port_num << 8)); -+ reg_data |= 0x000c0000; -+ TITAN_GE_WRITE((TITAN_GE_CHANNEL0_CONFIG + -+ (port_num << 8)), reg_data); -+ -+ /* Disable the RMAC */ -+ reg_data = TITAN_GE_READ(TITAN_GE_RMAC_CONFIG_1 + -+ (port_num << 12)); -+ reg_data &= ~(0x00000001); -+ TITAN_GE_WRITE((TITAN_GE_RMAC_CONFIG_1 + -+ (port_num << 12)), reg_data); -+ -+ for (curr = 0; -+ titan_ge_eth->rx_ring_skbs && (curr < TITAN_GE_RX_QUEUE); -+ curr++) { -+ if (titan_ge_eth->rx_skb[curr]) { -+ dev_kfree_skb(titan_ge_eth->rx_skb[curr]); -+ titan_ge_eth->rx_ring_skbs--; -+ } -+ } -+ -+ if (titan_ge_eth->rx_ring_skbs != 0) -+ printk(KERN_ERR -+ "%s: Error in freeing Rx Ring. %d skb's still" -+ " stuck in RX Ring - ignoring them\n", netdev->name, -+ titan_ge_eth->rx_ring_skbs); -+ -+#ifndef TITAN_RX_RING_IN_SRAM -+ dma_free_coherent(&titan_ge_device[port_num]->dev, -+ titan_ge_eth->rx_desc_area_size, -+ (void *) titan_ge_eth->rx_desc_area, -+ titan_ge_eth->rx_dma); -+#endif -+} -+ -+/* -+ * Actually does the stop of the Ethernet device -+ */ -+static void titan_ge_eth_stop(struct net_device *netdev) -+{ -+ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); -+ -+ netif_stop_queue(netdev); -+ -+ titan_ge_port_reset(titan_ge_eth->port_num); -+ -+ titan_ge_free_tx_rings(netdev); -+ titan_ge_free_rx_rings(netdev); -+ -+ /* Disable the Tx and Rx Interrupts for all channels */ -+ TITAN_GE_WRITE(TITAN_GE_INTR_XDMA_IE, 0x0); -+} -+ -+/* -+ * Update the MAC address. Note that we have to write the -+ * address in three station registers, 16 bits each. And this -+ * has to be done for TMAC and RMAC -+ */ -+static void titan_ge_update_mac_address(struct net_device *netdev) -+{ -+ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); -+ unsigned int port_num = titan_ge_eth->port_num; -+ u8 p_addr[6]; -+ -+ memcpy(titan_ge_eth->port_mac_addr, netdev->dev_addr, 6); -+ memcpy(p_addr, netdev->dev_addr, 6); -+ -+ /* Update the Address Filtering Match tables */ -+ titan_ge_update_afx(titan_ge_eth); -+ -+ printk("Station MAC : %d %d %d %d %d %d \n", -+ p_addr[5], p_addr[4], p_addr[3], -+ p_addr[2], p_addr[1], p_addr[0]); -+ -+ /* Set the MAC address here for TMAC and RMAC */ -+ TITAN_GE_WRITE((TITAN_GE_TMAC_STATION_HI + (port_num << 12)), -+ ((p_addr[5] << 8) | p_addr[4])); -+ TITAN_GE_WRITE((TITAN_GE_TMAC_STATION_MID + (port_num << 12)), -+ ((p_addr[3] << 8) | p_addr[2])); -+ TITAN_GE_WRITE((TITAN_GE_TMAC_STATION_LOW + (port_num << 12)), -+ ((p_addr[1] << 8) | p_addr[0])); -+ -+ TITAN_GE_WRITE((TITAN_GE_RMAC_STATION_HI + (port_num << 12)), -+ ((p_addr[5] << 8) | p_addr[4])); -+ TITAN_GE_WRITE((TITAN_GE_RMAC_STATION_MID + (port_num << 12)), -+ ((p_addr[3] << 8) | p_addr[2])); -+ TITAN_GE_WRITE((TITAN_GE_RMAC_STATION_LOW + (port_num << 12)), -+ ((p_addr[1] << 8) | p_addr[0])); -+} -+ -+/* -+ * Set the MAC address of the Ethernet device -+ */ -+static int titan_ge_set_mac_address(struct net_device *dev, void *addr) -+{ -+ titan_ge_port_info *tp = netdev_priv(dev); -+ struct sockaddr *sa = addr; -+ -+ memcpy(dev->dev_addr, sa->sa_data, dev->addr_len); -+ -+ spin_lock_irq(&tp->lock); -+ titan_ge_update_mac_address(dev); -+ spin_unlock_irq(&tp->lock); -+ -+ return 0; -+} -+ -+/* -+ * Get the Ethernet device stats -+ */ -+static struct net_device_stats *titan_ge_get_stats(struct net_device *netdev) -+{ -+ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); -+ -+ return &titan_ge_eth->stats; -+} -+ -+/* -+ * Initialize the Rx descriptor ring for the Titan Ge -+ */ -+static int titan_ge_init_rx_desc_ring(titan_ge_port_info * titan_eth_port, -+ int rx_desc_num, -+ int rx_buff_size, -+ unsigned long rx_desc_base_addr, -+ unsigned long rx_buff_base_addr, -+ unsigned long rx_dma) -+{ -+ volatile titan_ge_rx_desc *rx_desc; -+ unsigned long buffer_addr; -+ int index; -+ unsigned long titan_ge_rx_desc_bus = rx_dma; -+ -+ buffer_addr = rx_buff_base_addr; -+ rx_desc = (titan_ge_rx_desc *) rx_desc_base_addr; -+ -+ /* Check alignment */ -+ if (rx_buff_base_addr & 0xF) -+ return 0; -+ -+ /* Check Rx buffer size */ -+ if ((rx_buff_size < 8) || (rx_buff_size > TITAN_GE_MAX_RX_BUFFER)) -+ return 0; -+ -+ /* 64-bit alignment -+ if ((rx_buff_base_addr + rx_buff_size) & 0x7) -+ return 0; */ -+ -+ /* Initialize the Rx desc ring */ -+ for (index = 0; index < rx_desc_num; index++) { -+ titan_ge_rx_desc_bus += sizeof(titan_ge_rx_desc); -+ rx_desc[index].cmd_sts = 0; -+ rx_desc[index].buffer_addr = buffer_addr; -+ titan_eth_port->rx_skb[index] = NULL; -+ buffer_addr += rx_buff_size; -+ } -+ -+ titan_eth_port->rx_curr_desc_q = 0; -+ titan_eth_port->rx_used_desc_q = 0; -+ -+ titan_eth_port->rx_desc_area = (titan_ge_rx_desc *) rx_desc_base_addr; -+ titan_eth_port->rx_desc_area_size = -+ rx_desc_num * sizeof(titan_ge_rx_desc); -+ -+ titan_eth_port->rx_dma = rx_dma; -+ -+ return TITAN_OK; -+} -+ -+/* -+ * Initialize the Tx descriptor ring. Descriptors in the SRAM -+ */ -+static int titan_ge_init_tx_desc_ring(titan_ge_port_info * titan_ge_port, -+ int tx_desc_num, -+ unsigned long tx_desc_base_addr, -+ unsigned long tx_dma) -+{ -+ titan_ge_tx_desc *tx_desc; -+ int index; -+ unsigned long titan_ge_tx_desc_bus = tx_dma; -+ -+ if (tx_desc_base_addr & 0xF) -+ return 0; -+ -+ tx_desc = (titan_ge_tx_desc *) tx_desc_base_addr; -+ -+ for (index = 0; index < tx_desc_num; index++) { -+ titan_ge_port->tx_dma_array[index] = -+ (dma_addr_t) titan_ge_tx_desc_bus; -+ titan_ge_tx_desc_bus += sizeof(titan_ge_tx_desc); -+ tx_desc[index].cmd_sts = 0x0000; -+ tx_desc[index].buffer_len = 0; -+ tx_desc[index].buffer_addr = 0x00000000; -+ titan_ge_port->tx_skb[index] = NULL; -+ } -+ -+ titan_ge_port->tx_curr_desc_q = 0; -+ titan_ge_port->tx_used_desc_q = 0; -+ -+ titan_ge_port->tx_desc_area = (titan_ge_tx_desc *) tx_desc_base_addr; -+ titan_ge_port->tx_desc_area_size = -+ tx_desc_num * sizeof(titan_ge_tx_desc); -+ -+ titan_ge_port->tx_dma = tx_dma; -+ return TITAN_OK; -+} -+ -+/* -+ * Initialize the device as an Ethernet device -+ */ -+static int __init titan_ge_probe(struct device *device) -+{ -+ titan_ge_port_info *titan_ge_eth; -+ struct net_device *netdev; -+ int port = to_platform_device(device)->id; -+ int err; -+ -+ netdev = alloc_etherdev(sizeof(titan_ge_port_info)); -+ if (!netdev) { -+ err = -ENODEV; -+ goto out; -+ } -+ -+ netdev->open = titan_ge_open; -+ netdev->stop = titan_ge_stop; -+ netdev->hard_start_xmit = titan_ge_start_xmit; -+ netdev->get_stats = titan_ge_get_stats; -+ netdev->set_multicast_list = titan_ge_set_multi; -+ netdev->set_mac_address = titan_ge_set_mac_address; -+ -+ /* Tx timeout */ -+ netdev->tx_timeout = titan_ge_tx_timeout; -+ netdev->watchdog_timeo = 2 * HZ; -+ -+ /* Set these to very high values */ -+ netdev->poll = titan_ge_poll; -+ netdev->weight = 64; -+ -+ netdev->tx_queue_len = TITAN_GE_TX_QUEUE; -+ netif_carrier_off(netdev); -+ netdev->base_addr = 0; -+ -+ netdev->change_mtu = titan_ge_change_mtu; -+ -+ titan_ge_eth = netdev_priv(netdev); -+ /* Allocation of memory for the driver structures */ -+ -+ titan_ge_eth->port_num = port; -+ -+ /* Configure the Tx timeout handler */ -+ INIT_WORK(&titan_ge_eth->tx_timeout_task, -+ (void (*)(void *)) titan_ge_tx_timeout_task, netdev); -+ -+ spin_lock_init(&titan_ge_eth->lock); -+ -+ /* set MAC addresses */ -+ memcpy(netdev->dev_addr, titan_ge_mac_addr_base, 6); -+ netdev->dev_addr[5] += port; -+ -+ err = register_netdev(netdev); -+ -+ if (err) -+ goto out_free_netdev; -+ -+ printk(KERN_NOTICE -+ "%s: port %d with MAC address %02x:%02x:%02x:%02x:%02x:%02x\n", -+ netdev->name, port, netdev->dev_addr[0], -+ netdev->dev_addr[1], netdev->dev_addr[2], -+ netdev->dev_addr[3], netdev->dev_addr[4], -+ netdev->dev_addr[5]); -+ -+ printk(KERN_NOTICE "Rx NAPI supported, Tx Coalescing ON \n"); -+ -+ return 0; -+ -+out_free_netdev: -+ kfree(netdev); -+ -+out: -+ return err; -+} -+ -+static void __devexit titan_device_remove(struct device *device) -+{ -+} -+ -+/* -+ * Reset the Ethernet port -+ */ -+static void titan_ge_port_reset(unsigned int port_num) -+{ -+ unsigned int reg_data; -+ -+ /* Stop the Tx port activity */ -+ reg_data = TITAN_GE_READ(TITAN_GE_TMAC_CONFIG_1 + -+ (port_num << 12)); -+ reg_data &= ~(0x0001); -+ TITAN_GE_WRITE((TITAN_GE_TMAC_CONFIG_1 + -+ (port_num << 12)), reg_data); -+ -+ /* Stop the Rx port activity */ -+ reg_data = TITAN_GE_READ(TITAN_GE_RMAC_CONFIG_1 + -+ (port_num << 12)); -+ reg_data &= ~(0x0001); -+ TITAN_GE_WRITE((TITAN_GE_RMAC_CONFIG_1 + -+ (port_num << 12)), reg_data); -+ -+ return; -+} -+ -+/* -+ * Return the Tx desc after use by the XDMA -+ */ -+static int titan_ge_return_tx_desc(titan_ge_port_info * titan_ge_eth, int port) -+{ -+ int tx_desc_used; -+ struct sk_buff *skb; -+ -+ tx_desc_used = titan_ge_eth->tx_used_desc_q; -+ -+ /* return right away */ -+ if (tx_desc_used == titan_ge_eth->tx_curr_desc_q) -+ return TITAN_ERROR; -+ -+ /* Now the critical stuff */ -+ skb = titan_ge_eth->tx_skb[tx_desc_used]; -+ -+ dev_kfree_skb_any(skb); -+ -+ titan_ge_eth->tx_skb[tx_desc_used] = NULL; -+ titan_ge_eth->tx_used_desc_q = -+ (tx_desc_used + 1) % TITAN_GE_TX_QUEUE; -+ -+ return 0; -+} -+ -+/* -+ * Coalescing for the Tx path -+ */ -+static unsigned long titan_ge_tx_coal(unsigned long delay, int port) -+{ -+ unsigned long rx_delay; -+ -+ rx_delay = TITAN_GE_READ(TITAN_GE_INT_COALESCING); -+ delay = (delay << 16) | rx_delay; -+ -+ TITAN_GE_WRITE(TITAN_GE_INT_COALESCING, delay); -+ TITAN_GE_WRITE(0x5038, delay); -+ -+ return delay; -+} -+ -+static struct device_driver titan_soc_driver = { -+ .name = titan_string, -+ .bus = &platform_bus_type, -+ .probe = titan_ge_probe, -+ .remove = __devexit_p(titan_device_remove), -+}; -+ -+static void titan_platform_release (struct device *device) -+{ -+ struct platform_device *pldev; -+ -+ /* free device */ -+ pldev = to_platform_device (device); -+ kfree (pldev); -+} -+ -+/* -+ * Register the Titan GE with the kernel -+ */ -+static int __init titan_ge_init_module(void) -+{ -+ struct platform_device *pldev; -+ unsigned int version, device; -+ int i; -+ -+ printk(KERN_NOTICE -+ "PMC-Sierra TITAN 10/100/1000 Ethernet Driver \n"); -+ -+ titan_ge_base = (unsigned long) ioremap(TITAN_GE_BASE, TITAN_GE_SIZE); -+ if (!titan_ge_base) { -+ printk("Mapping Titan GE failed\n"); -+ goto out; -+ } -+ -+ device = TITAN_GE_READ(TITAN_GE_DEVICE_ID); -+ version = (device & 0x000f0000) >> 16; -+ device &= 0x0000ffff; -+ -+ printk(KERN_NOTICE "Device Id : %x, Version : %x \n", device, version); -+ -+#ifdef TITAN_RX_RING_IN_SRAM -+ titan_ge_sram = (unsigned long) ioremap(TITAN_SRAM_BASE, -+ TITAN_SRAM_SIZE); -+ if (!titan_ge_sram) { -+ printk("Mapping Titan SRAM failed\n"); -+ goto out_unmap_ge; -+ } -+#endif -+ -+ if (driver_register(&titan_soc_driver)) { -+ printk(KERN_ERR "Driver registration failed\n"); -+ goto out_unmap_sram; -+ } -+ -+ for (i = 0; i < 3; i++) { -+ titan_ge_device[i] = NULL; -+ -+ if (!(pldev = kmalloc (sizeof (*pldev), GFP_KERNEL))) -+ continue; -+ -+ memset (pldev, 0, sizeof (*pldev)); -+ pldev->name = titan_string; -+ pldev->id = i; -+ pldev->dev.release = titan_platform_release; -+ titan_ge_device[i] = pldev; -+ -+ if (platform_device_register (pldev)) { -+ kfree (pldev); -+ titan_ge_device[i] = NULL; -+ continue; -+ } -+ -+ if (!pldev->dev.driver) { -+ /* -+ * The driver was not bound to this device, there was -+ * no hardware at this address. Unregister it, as the -+ * release fuction will take care of freeing the -+ * allocated structure -+ */ -+ titan_ge_device[i] = NULL; -+ platform_device_unregister (pldev); -+ } -+ } -+ -+ return 0; -+ -+out_unmap_sram: -+ iounmap((void *)titan_ge_sram); -+ -+out_unmap_ge: -+ iounmap((void *)titan_ge_base); -+ -+out: -+ return -ENOMEM; -+} -+ -+/* -+ * Unregister the Titan GE from the kernel -+ */ -+static void __exit titan_ge_cleanup_module(void) -+{ -+ int i; -+ -+ driver_unregister(&titan_soc_driver); -+ -+ for (i = 0; i < 3; i++) { -+ if (titan_ge_device[i]) { -+ platform_device_unregister (titan_ge_device[i]); -+ titan_ge_device[i] = NULL; -+ } -+ } -+ -+ iounmap((void *)titan_ge_sram); -+ iounmap((void *)titan_ge_base); -+} -+ -+MODULE_AUTHOR("Manish Lachwani "); -+MODULE_DESCRIPTION("Titan GE Ethernet driver"); -+MODULE_LICENSE("GPL"); -+ -+module_init(titan_ge_init_module); -+module_exit(titan_ge_cleanup_module); -diff --git a/drivers/net/titan_ge.h b/drivers/net/titan_ge.h -new file mode 100644 -index 0000000..3719f78 ---- /dev/null -+++ b/drivers/net/titan_ge.h -@@ -0,0 +1,415 @@ -+#ifndef _TITAN_GE_H_ -+#define _TITAN_GE_H_ -+ -+#include -+#include -+#include -+#include -+ -+/* -+ * These functions should be later moved to a more generic location since there -+ * will be others accessing it also -+ */ -+ -+/* -+ * This is the way it works: LKB5 Base is at 0x0128. TITAN_BASE is defined in -+ * include/asm/titan_dep.h. TITAN_GE_BASE is the value in the TITAN_GE_LKB5 -+ * register. -+ */ -+ -+#define TITAN_GE_BASE 0xfe000000UL -+#define TITAN_GE_SIZE 0x10000UL -+ -+extern unsigned long titan_ge_base; -+ -+#define TITAN_GE_WRITE(offset, data) \ -+ *(volatile u32 *)(titan_ge_base + (offset)) = (data) -+ -+#define TITAN_GE_READ(offset) *(volatile u32 *)(titan_ge_base + (offset)) -+ -+#ifndef msec_delay -+#define msec_delay(x) do { if(in_interrupt()) { \ -+ /* Don't mdelay in interrupt context! */ \ -+ BUG(); \ -+ } else { \ -+ set_current_state(TASK_UNINTERRUPTIBLE); \ -+ schedule_timeout((x * HZ)/1000); \ -+ } } while(0) -+#endif -+ -+#define TITAN_GE_PORT_0 -+ -+#define TITAN_SRAM_BASE ((OCD_READ(RM9000x2_OCD_LKB13) & ~1) << 4) -+#define TITAN_SRAM_SIZE 0x2000UL -+ -+/* -+ * We may need these constants -+ */ -+#define TITAN_BIT0 0x00000001 -+#define TITAN_BIT1 0x00000002 -+#define TITAN_BIT2 0x00000004 -+#define TITAN_BIT3 0x00000008 -+#define TITAN_BIT4 0x00000010 -+#define TITAN_BIT5 0x00000020 -+#define TITAN_BIT6 0x00000040 -+#define TITAN_BIT7 0x00000080 -+#define TITAN_BIT8 0x00000100 -+#define TITAN_BIT9 0x00000200 -+#define TITAN_BIT10 0x00000400 -+#define TITAN_BIT11 0x00000800 -+#define TITAN_BIT12 0x00001000 -+#define TITAN_BIT13 0x00002000 -+#define TITAN_BIT14 0x00004000 -+#define TITAN_BIT15 0x00008000 -+#define TITAN_BIT16 0x00010000 -+#define TITAN_BIT17 0x00020000 -+#define TITAN_BIT18 0x00040000 -+#define TITAN_BIT19 0x00080000 -+#define TITAN_BIT20 0x00100000 -+#define TITAN_BIT21 0x00200000 -+#define TITAN_BIT22 0x00400000 -+#define TITAN_BIT23 0x00800000 -+#define TITAN_BIT24 0x01000000 -+#define TITAN_BIT25 0x02000000 -+#define TITAN_BIT26 0x04000000 -+#define TITAN_BIT27 0x08000000 -+#define TITAN_BIT28 0x10000000 -+#define TITAN_BIT29 0x20000000 -+#define TITAN_BIT30 0x40000000 -+#define TITAN_BIT31 0x80000000 -+ -+/* Flow Control */ -+#define TITAN_GE_FC_NONE 0x0 -+#define TITAN_GE_FC_FULL 0x1 -+#define TITAN_GE_FC_TX_PAUSE 0x2 -+#define TITAN_GE_FC_RX_PAUSE 0x3 -+ -+/* Duplex Settings */ -+#define TITAN_GE_FULL_DUPLEX 0x1 -+#define TITAN_GE_HALF_DUPLEX 0x2 -+ -+/* Speed settings */ -+#define TITAN_GE_SPEED_1000 0x1 -+#define TITAN_GE_SPEED_100 0x2 -+#define TITAN_GE_SPEED_10 0x3 -+ -+/* Debugging info only */ -+#undef TITAN_DEBUG -+ -+/* Keep the rings in the Titan's SSRAM */ -+#define TITAN_RX_RING_IN_SRAM -+ -+#ifdef CONFIG_64BIT -+#define TITAN_GE_IE_MASK 0xfffffffffb001b64 -+#define TITAN_GE_IE_STATUS 0xfffffffffb001b60 -+#else -+#define TITAN_GE_IE_MASK 0xfb001b64 -+#define TITAN_GE_IE_STATUS 0xfb001b60 -+#endif -+ -+/* Support for Jumbo Frames */ -+#undef TITAN_GE_JUMBO_FRAMES -+ -+/* Rx buffer size */ -+#ifdef TITAN_GE_JUMBO_FRAMES -+#define TITAN_GE_JUMBO_BUFSIZE 9080 -+#else -+#define TITAN_GE_STD_BUFSIZE 1580 -+#endif -+ -+/* -+ * Tx and Rx Interrupt Coalescing parameter. These values are -+ * for 1 Ghz processor. Rx coalescing can be taken care of -+ * by NAPI. NAPI is adaptive and hence useful. Tx coalescing -+ * is not adaptive. Hence, these values need to be adjusted -+ * based on load, CPU speed etc. -+ */ -+#define TITAN_GE_RX_COAL 150 -+#define TITAN_GE_TX_COAL 300 -+ -+#if defined(__BIG_ENDIAN) -+ -+/* Define the Rx descriptor */ -+typedef struct eth_rx_desc { -+ u32 reserved; /* Unused */ -+ u32 buffer_addr; /* CPU buffer address */ -+ u32 cmd_sts; /* Command and Status */ -+ u32 buffer; /* XDMA buffer address */ -+} titan_ge_rx_desc; -+ -+/* Define the Tx descriptor */ -+typedef struct eth_tx_desc { -+ u16 cmd_sts; /* Command, Status and Buffer count */ -+ u16 buffer_len; /* Length of the buffer */ -+ u32 buffer_addr; /* Physical address of the buffer */ -+} titan_ge_tx_desc; -+ -+#elif defined(__LITTLE_ENDIAN) -+ -+/* Define the Rx descriptor */ -+typedef struct eth_rx_desc { -+ u32 buffer_addr; /* CPU buffer address */ -+ u32 reserved; /* Unused */ -+ u32 buffer; /* XDMA buffer address */ -+ u32 cmd_sts; /* Command and Status */ -+} titan_ge_rx_desc; -+ -+/* Define the Tx descriptor */ -+typedef struct eth_tx_desc { -+ u32 buffer_addr; /* Physical address of the buffer */ -+ u16 buffer_len; /* Length of the buffer */ -+ u16 cmd_sts; /* Command, Status and Buffer count */ -+} titan_ge_tx_desc; -+#endif -+ -+/* Default Tx Queue Size */ -+#define TITAN_GE_TX_QUEUE 128 -+#define TITAN_TX_RING_BYTES (TITAN_GE_TX_QUEUE * sizeof(struct eth_tx_desc)) -+ -+/* Default Rx Queue Size */ -+#define TITAN_GE_RX_QUEUE 64 -+#define TITAN_RX_RING_BYTES (TITAN_GE_RX_QUEUE * sizeof(struct eth_rx_desc)) -+ -+/* Packet Structure */ -+typedef struct _pkt_info { -+ unsigned int len; -+ unsigned int cmd_sts; -+ unsigned int buffer; -+ struct sk_buff *skb; -+ unsigned int checksum; -+} titan_ge_packet; -+ -+ -+#define PHYS_CNT 3 -+ -+/* Titan Port specific data structure */ -+typedef struct _eth_port_ctrl { -+ unsigned int port_num; -+ u8 port_mac_addr[6]; -+ -+ /* Rx descriptor pointers */ -+ int rx_curr_desc_q, rx_used_desc_q; -+ -+ /* Tx descriptor pointers */ -+ int tx_curr_desc_q, tx_used_desc_q; -+ -+ /* Rx descriptor area */ -+ volatile titan_ge_rx_desc *rx_desc_area; -+ unsigned int rx_desc_area_size; -+ struct sk_buff* rx_skb[TITAN_GE_RX_QUEUE]; -+ -+ /* Tx Descriptor area */ -+ volatile titan_ge_tx_desc *tx_desc_area; -+ unsigned int tx_desc_area_size; -+ struct sk_buff* tx_skb[TITAN_GE_TX_QUEUE]; -+ -+ /* Timeout task */ -+ struct work_struct tx_timeout_task; -+ -+ /* DMA structures and handles */ -+ dma_addr_t tx_dma; -+ dma_addr_t rx_dma; -+ dma_addr_t tx_dma_array[TITAN_GE_TX_QUEUE]; -+ -+ /* Device lock */ -+ spinlock_t lock; -+ -+ unsigned int tx_ring_skbs; -+ unsigned int rx_ring_size; -+ unsigned int tx_ring_size; -+ unsigned int rx_ring_skbs; -+ -+ struct net_device_stats stats; -+ -+ /* Tx and Rx coalescing */ -+ unsigned long rx_int_coal; -+ unsigned long tx_int_coal; -+ -+ /* Threshold for replenishing the Rx and Tx rings */ -+ unsigned int tx_threshold; -+ unsigned int rx_threshold; -+ -+ /* NAPI work limit */ -+ unsigned int rx_work_limit; -+} titan_ge_port_info; -+ -+/* Titan specific constants */ -+#define TITAN_ETH_PORT_IRQ 3 -+ -+/* Max Rx buffer */ -+#define TITAN_GE_MAX_RX_BUFFER 65536 -+ -+/* Tx and Rx Error */ -+#define TITAN_GE_ERROR -+ -+/* Rx Descriptor Command and Status */ -+ -+#define TITAN_GE_RX_CRC_ERROR TITAN_BIT27 /* crc error */ -+#define TITAN_GE_RX_OVERFLOW_ERROR TITAN_BIT15 /* overflow */ -+#define TITAN_GE_RX_BUFFER_OWNED TITAN_BIT21 /* buffer ownership */ -+#define TITAN_GE_RX_STP TITAN_BIT31 /* start of packet */ -+#define TITAN_GE_RX_BAM TITAN_BIT30 /* broadcast address match */ -+#define TITAN_GE_RX_PAM TITAN_BIT28 /* physical address match */ -+#define TITAN_GE_RX_LAFM TITAN_BIT29 /* logical address filter match */ -+#define TITAN_GE_RX_VLAN TITAN_BIT26 /* virtual lans */ -+#define TITAN_GE_RX_PERR TITAN_BIT19 /* packet error */ -+#define TITAN_GE_RX_TRUNC TITAN_BIT20 /* packet size greater than 32 buffers */ -+ -+/* Tx Descriptor Command */ -+#define TITAN_GE_TX_BUFFER_OWNED TITAN_BIT5 /* buffer ownership */ -+#define TITAN_GE_TX_ENABLE_INTERRUPT TITAN_BIT15 /* Interrupt Enable */ -+ -+/* Return Status */ -+#define TITAN_OK 0x1 /* Good Status */ -+#define TITAN_ERROR 0x2 /* Error Status */ -+ -+/* MIB specific register offset */ -+#define TITAN_GE_MSTATX_STATS_BASE_LOW 0x0800 /* MSTATX COUNTL[15:0] */ -+#define TITAN_GE_MSTATX_STATS_BASE_MID 0x0804 /* MSTATX COUNTM[15:0] */ -+#define TITAN_GE_MSTATX_STATS_BASE_HI 0x0808 /* MSTATX COUNTH[7:0] */ -+#define TITAN_GE_MSTATX_CONTROL 0x0828 /* MSTATX Control */ -+#define TITAN_GE_MSTATX_VARIABLE_SELECT 0x082C /* MSTATX Variable Select */ -+ -+/* MIB counter offsets, add to the TITAN_GE_MSTATX_STATS_BASE_XXX */ -+#define TITAN_GE_MSTATX_RXFRAMESOK 0x0040 -+#define TITAN_GE_MSTATX_RXOCTETSOK 0x0050 -+#define TITAN_GE_MSTATX_RXFRAMES 0x0060 -+#define TITAN_GE_MSTATX_RXOCTETS 0x0070 -+#define TITAN_GE_MSTATX_RXUNICASTFRAMESOK 0x0080 -+#define TITAN_GE_MSTATX_RXBROADCASTFRAMESOK 0x0090 -+#define TITAN_GE_MSTATX_RXMULTICASTFRAMESOK 0x00A0 -+#define TITAN_GE_MSTATX_RXTAGGEDFRAMESOK 0x00B0 -+#define TITAN_GE_MSTATX_RXMACPAUSECONTROLFRAMESOK 0x00C0 -+#define TITAN_GE_MSTATX_RXMACCONTROLFRAMESOK 0x00D0 -+#define TITAN_GE_MSTATX_RXFCSERROR 0x00E0 -+#define TITAN_GE_MSTATX_RXALIGNMENTERROR 0x00F0 -+#define TITAN_GE_MSTATX_RXSYMBOLERROR 0x0100 -+#define TITAN_GE_MSTATX_RXLAYER1ERROR 0x0110 -+#define TITAN_GE_MSTATX_RXINRANGELENGTHERROR 0x0120 -+#define TITAN_GE_MSTATX_RXLONGLENGTHERROR 0x0130 -+#define TITAN_GE_MSTATX_RXLONGLENGTHCRCERROR 0x0140 -+#define TITAN_GE_MSTATX_RXSHORTLENGTHERROR 0x0150 -+#define TITAN_GE_MSTATX_RXSHORTLLENGTHCRCERROR 0x0160 -+#define TITAN_GE_MSTATX_RXFRAMES64OCTETS 0x0170 -+#define TITAN_GE_MSTATX_RXFRAMES65TO127OCTETS 0x0180 -+#define TITAN_GE_MSTATX_RXFRAMES128TO255OCTETS 0x0190 -+#define TITAN_GE_MSTATX_RXFRAMES256TO511OCTETS 0x01A0 -+#define TITAN_GE_MSTATX_RXFRAMES512TO1023OCTETS 0x01B0 -+#define TITAN_GE_MSTATX_RXFRAMES1024TO1518OCTETS 0x01C0 -+#define TITAN_GE_MSTATX_RXFRAMES1519TOMAXSIZE 0x01D0 -+#define TITAN_GE_MSTATX_RXSTATIONADDRESSFILTERED 0x01E0 -+#define TITAN_GE_MSTATX_RXVARIABLE 0x01F0 -+#define TITAN_GE_MSTATX_GENERICADDRESSFILTERED 0x0200 -+#define TITAN_GE_MSTATX_UNICASTFILTERED 0x0210 -+#define TITAN_GE_MSTATX_MULTICASTFILTERED 0x0220 -+#define TITAN_GE_MSTATX_BROADCASTFILTERED 0x0230 -+#define TITAN_GE_MSTATX_HASHFILTERED 0x0240 -+#define TITAN_GE_MSTATX_TXFRAMESOK 0x0250 -+#define TITAN_GE_MSTATX_TXOCTETSOK 0x0260 -+#define TITAN_GE_MSTATX_TXOCTETS 0x0270 -+#define TITAN_GE_MSTATX_TXTAGGEDFRAMESOK 0x0280 -+#define TITAN_GE_MSTATX_TXMACPAUSECONTROLFRAMESOK 0x0290 -+#define TITAN_GE_MSTATX_TXFCSERROR 0x02A0 -+#define TITAN_GE_MSTATX_TXSHORTLENGTHERROR 0x02B0 -+#define TITAN_GE_MSTATX_TXLONGLENGTHERROR 0x02C0 -+#define TITAN_GE_MSTATX_TXSYSTEMERROR 0x02D0 -+#define TITAN_GE_MSTATX_TXMACERROR 0x02E0 -+#define TITAN_GE_MSTATX_TXCARRIERSENSEERROR 0x02F0 -+#define TITAN_GE_MSTATX_TXSQETESTERROR 0x0300 -+#define TITAN_GE_MSTATX_TXUNICASTFRAMESOK 0x0310 -+#define TITAN_GE_MSTATX_TXBROADCASTFRAMESOK 0x0320 -+#define TITAN_GE_MSTATX_TXMULTICASTFRAMESOK 0x0330 -+#define TITAN_GE_MSTATX_TXUNICASTFRAMESATTEMPTED 0x0340 -+#define TITAN_GE_MSTATX_TXBROADCASTFRAMESATTEMPTED 0x0350 -+#define TITAN_GE_MSTATX_TXMULTICASTFRAMESATTEMPTED 0x0360 -+#define TITAN_GE_MSTATX_TXFRAMES64OCTETS 0x0370 -+#define TITAN_GE_MSTATX_TXFRAMES65TO127OCTETS 0x0380 -+#define TITAN_GE_MSTATX_TXFRAMES128TO255OCTETS 0x0390 -+#define TITAN_GE_MSTATX_TXFRAMES256TO511OCTETS 0x03A0 -+#define TITAN_GE_MSTATX_TXFRAMES512TO1023OCTETS 0x03B0 -+#define TITAN_GE_MSTATX_TXFRAMES1024TO1518OCTETS 0x03C0 -+#define TITAN_GE_MSTATX_TXFRAMES1519TOMAXSIZE 0x03D0 -+#define TITAN_GE_MSTATX_TXVARIABLE 0x03E0 -+#define TITAN_GE_MSTATX_RXSYSTEMERROR 0x03F0 -+#define TITAN_GE_MSTATX_SINGLECOLLISION 0x0400 -+#define TITAN_GE_MSTATX_MULTIPLECOLLISION 0x0410 -+#define TITAN_GE_MSTATX_DEFERREDXMISSIONS 0x0420 -+#define TITAN_GE_MSTATX_LATECOLLISIONS 0x0430 -+#define TITAN_GE_MSTATX_ABORTEDDUETOXSCOLLS 0x0440 -+ -+/* Interrupt specific defines */ -+#define TITAN_GE_DEVICE_ID 0x0000 /* Device ID */ -+#define TITAN_GE_RESET 0x0004 /* Reset reg */ -+#define TITAN_GE_TSB_CTRL_0 0x000C /* TSB Control reg 0 */ -+#define TITAN_GE_TSB_CTRL_1 0x0010 /* TSB Control reg 1 */ -+#define TITAN_GE_INTR_GRP0_STATUS 0x0040 /* General Interrupt Group 0 Status */ -+#define TITAN_GE_INTR_XDMA_CORE_A 0x0048 /* XDMA Channel Interrupt Status, Core A*/ -+#define TITAN_GE_INTR_XDMA_CORE_B 0x004C /* XDMA Channel Interrupt Status, Core B*/ -+#define TITAN_GE_INTR_XDMA_IE 0x0058 /* XDMA Channel Interrupt Enable */ -+#define TITAN_GE_SDQPF_ECC_INTR 0x480C /* SDQPF ECC Interrupt Status */ -+#define TITAN_GE_SDQPF_RXFIFO_CTL 0x4828 /* SDQPF RxFifo Control and Interrupt Enb*/ -+#define TITAN_GE_SDQPF_RXFIFO_INTR 0x482C /* SDQPF RxFifo Interrupt Status */ -+#define TITAN_GE_SDQPF_TXFIFO_CTL 0x4928 /* SDQPF TxFifo Control and Interrupt Enb*/ -+#define TITAN_GE_SDQPF_TXFIFO_INTR 0x492C /* SDQPF TxFifo Interrupt Status */ -+#define TITAN_GE_SDQPF_RXFIFO_0 0x4840 /* SDQPF RxFIFO Enable */ -+#define TITAN_GE_SDQPF_TXFIFO_0 0x4940 /* SDQPF TxFIFO Enable */ -+#define TITAN_GE_XDMA_CONFIG 0x5000 /* XDMA Global Configuration */ -+#define TITAN_GE_XDMA_INTR_SUMMARY 0x5010 /* XDMA Interrupt Summary */ -+#define TITAN_GE_XDMA_BUFADDRPRE 0x5018 /* XDMA Buffer Address Prefix */ -+#define TITAN_GE_XDMA_DESCADDRPRE 0x501C /* XDMA Descriptor Address Prefix */ -+#define TITAN_GE_XDMA_PORTWEIGHT 0x502C /* XDMA Port Weight Configuration */ -+ -+/* Rx MAC defines */ -+#define TITAN_GE_RMAC_CONFIG_1 0x1200 /* RMAC Configuration 1 */ -+#define TITAN_GE_RMAC_CONFIG_2 0x1204 /* RMAC Configuration 2 */ -+#define TITAN_GE_RMAC_MAX_FRAME_LEN 0x1208 /* RMAC Max Frame Length */ -+#define TITAN_GE_RMAC_STATION_HI 0x120C /* Rx Station Address High */ -+#define TITAN_GE_RMAC_STATION_MID 0x1210 /* Rx Station Address Middle */ -+#define TITAN_GE_RMAC_STATION_LOW 0x1214 /* Rx Station Address Low */ -+#define TITAN_GE_RMAC_LINK_CONFIG 0x1218 /* RMAC Link Configuration */ -+ -+/* Tx MAC defines */ -+#define TITAN_GE_TMAC_CONFIG_1 0x1240 /* TMAC Configuration 1 */ -+#define TITAN_GE_TMAC_CONFIG_2 0x1244 /* TMAC Configuration 2 */ -+#define TITAN_GE_TMAC_IPG 0x1248 /* TMAC Inter-Packet Gap */ -+#define TITAN_GE_TMAC_STATION_HI 0x124C /* Tx Station Address High */ -+#define TITAN_GE_TMAC_STATION_MID 0x1250 /* Tx Station Address Middle */ -+#define TITAN_GE_TMAC_STATION_LOW 0x1254 /* Tx Station Address Low */ -+#define TITAN_GE_TMAC_MAX_FRAME_LEN 0x1258 /* TMAC Max Frame Length */ -+#define TITAN_GE_TMAC_MIN_FRAME_LEN 0x125C /* TMAC Min Frame Length */ -+#define TITAN_GE_TMAC_PAUSE_FRAME_TIME 0x1260 /* TMAC Pause Frame Time */ -+#define TITAN_GE_TMAC_PAUSE_FRAME_INTERVAL 0x1264 /* TMAC Pause Frame Interval */ -+ -+/* GMII register */ -+#define TITAN_GE_GMII_INTERRUPT_STATUS 0x1348 /* GMII Interrupt Status */ -+#define TITAN_GE_GMII_CONFIG_GENERAL 0x134C /* GMII Configuration General */ -+#define TITAN_GE_GMII_CONFIG_MODE 0x1350 /* GMII Configuration Mode */ -+ -+/* Tx and Rx XDMA defines */ -+#define TITAN_GE_INT_COALESCING 0x5030 /* Interrupt Coalescing */ -+#define TITAN_GE_CHANNEL0_CONFIG 0x5040 /* Channel 0 XDMA config */ -+#define TITAN_GE_CHANNEL0_INTERRUPT 0x504c /* Channel 0 Interrupt Status */ -+#define TITAN_GE_GDI_INTERRUPT_ENABLE 0x5050 /* IE for the GDI Errors */ -+#define TITAN_GE_CHANNEL0_PACKET 0x5060 /* Channel 0 Packet count */ -+#define TITAN_GE_CHANNEL0_BYTE 0x5064 /* Channel 0 Byte count */ -+#define TITAN_GE_CHANNEL0_TX_DESC 0x5054 /* Channel 0 Tx first desc */ -+#define TITAN_GE_CHANNEL0_RX_DESC 0x5058 /* Channel 0 Rx first desc */ -+ -+/* AFX (Address Filter Exact) register offsets for Slice 0 */ -+#define TITAN_GE_AFX_EXACT_MATCH_LOW 0x1100 /* AFX Exact Match Address Low*/ -+#define TITAN_GE_AFX_EXACT_MATCH_MID 0x1104 /* AFX Exact Match Address Mid*/ -+#define TITAN_GE_AFX_EXACT_MATCH_HIGH 0x1108 /* AFX Exact Match Address Hi */ -+#define TITAN_GE_AFX_EXACT_MATCH_VID 0x110C /* AFX Exact Match VID */ -+#define TITAN_GE_AFX_MULTICAST_HASH_LOW 0x1110 /* AFX Multicast HASH Low */ -+#define TITAN_GE_AFX_MULTICAST_HASH_MIDLOW 0x1114 /* AFX Multicast HASH MidLow */ -+#define TITAN_GE_AFX_MULTICAST_HASH_MIDHI 0x1118 /* AFX Multicast HASH MidHi */ -+#define TITAN_GE_AFX_MULTICAST_HASH_HI 0x111C /* AFX Multicast HASH Hi */ -+#define TITAN_GE_AFX_ADDRS_FILTER_CTRL_0 0x1120 /* AFX Address Filter Ctrl 0 */ -+#define TITAN_GE_AFX_ADDRS_FILTER_CTRL_1 0x1124 /* AFX Address Filter Ctrl 1 */ -+#define TITAN_GE_AFX_ADDRS_FILTER_CTRL_2 0x1128 /* AFX Address Filter Ctrl 2 */ -+ -+/* Traffic Groomer block */ -+#define TITAN_GE_TRTG_CONFIG 0x1000 /* TRTG Config */ -+ -+#endif /* _TITAN_GE_H_ */ -+ -diff --git a/drivers/net/titan_mdio.c b/drivers/net/titan_mdio.c -new file mode 100644 -index 0000000..8a8785b ---- /dev/null -+++ b/drivers/net/titan_mdio.c -@@ -0,0 +1,217 @@ -+/* -+ * drivers/net/titan_mdio.c - Driver for Titan ethernet ports -+ * -+ * Copyright (C) 2003 PMC-Sierra Inc. -+ * Author : Manish Lachwani (lachwani@pmc-sierra.com) -+ * -+ * This program is free software; you can redistribute it and/or -+ * modify it under the terms of the GNU General Public License -+ * as published by the Free Software Foundation; either version 2 -+ * of the License, or (at your option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -+ * -+ * Management Data IO (MDIO) driver for the Titan GMII. Interacts with the Marvel PHY -+ * on the Titan. No support for the TBI as yet. -+ * -+ */ -+ -+#include "titan_mdio.h" -+ -+#define MDIO_DEBUG -+ -+/* -+ * Local constants -+ */ -+#define MAX_CLKA 1023 -+#define MAX_PHY_DEV 31 -+#define MAX_PHY_REG 31 -+#define WRITEADDRS_OPCODE 0x0 -+#define READ_OPCODE 0x2 -+#define WRITE_OPCODE 0x1 -+#define MAX_MDIO_POLL 100 -+ -+/* -+ * Titan MDIO and SCMB registers -+ */ -+#define TITAN_GE_SCMB_CONTROL 0x01c0 /* SCMB Control */ -+#define TITAN_GE_SCMB_CLKA 0x01c4 /* SCMB Clock A */ -+#define TITAN_GE_MDIO_COMMAND 0x01d0 /* MDIO Command */ -+#define TITAN_GE_MDIO_DEVICE_PORT_ADDRESS 0x01d4 /* MDIO Device and Port addrs */ -+#define TITAN_GE_MDIO_DATA 0x01d8 /* MDIO Data */ -+#define TITAN_GE_MDIO_INTERRUPTS 0x01dC /* MDIO Interrupts */ -+ -+/* -+ * Function to poll the MDIO -+ */ -+static int titan_ge_mdio_poll(void) -+{ -+ int i, val; -+ -+ for (i = 0; i < MAX_MDIO_POLL; i++) { -+ val = TITAN_GE_MDIO_READ(TITAN_GE_MDIO_COMMAND); -+ -+ if (!(val & 0x8000)) -+ return TITAN_GE_MDIO_GOOD; -+ } -+ -+ return TITAN_GE_MDIO_ERROR; -+} -+ -+ -+/* -+ * Initialize and configure the MDIO -+ */ -+int titan_ge_mdio_setup(titan_ge_mdio_config *titan_mdio) -+{ -+ unsigned long val; -+ -+ /* Reset the SCMB and program into MDIO mode*/ -+ TITAN_GE_MDIO_WRITE(TITAN_GE_SCMB_CONTROL, 0x9000); -+ TITAN_GE_MDIO_WRITE(TITAN_GE_SCMB_CONTROL, 0x1000); -+ -+ /* CLK A */ -+ val = TITAN_GE_MDIO_READ(TITAN_GE_SCMB_CLKA); -+ val = ( (val & ~(0x03ff)) | (titan_mdio->clka & 0x03ff)); -+ TITAN_GE_MDIO_WRITE(TITAN_GE_SCMB_CLKA, val); -+ -+ /* Preamble Suppresion */ -+ val = TITAN_GE_MDIO_READ(TITAN_GE_MDIO_COMMAND); -+ val = ( (val & ~(0x0001)) | (titan_mdio->mdio_spre & 0x0001)); -+ TITAN_GE_MDIO_WRITE(TITAN_GE_MDIO_COMMAND, val); -+ -+ /* MDIO mode */ -+ val = TITAN_GE_MDIO_READ(TITAN_GE_MDIO_DEVICE_PORT_ADDRESS); -+ val = ( (val & ~(0x4000)) | (titan_mdio->mdio_mode & 0x4000)); -+ TITAN_GE_MDIO_WRITE(TITAN_GE_MDIO_DEVICE_PORT_ADDRESS, val); -+ -+ return TITAN_GE_MDIO_GOOD; -+} -+ -+/* -+ * Set the PHY address in indirect mode -+ */ -+int titan_ge_mdio_inaddrs(int dev_addr, int reg_addr) -+{ -+ volatile unsigned long val; -+ -+ /* Setup the PHY device */ -+ val = TITAN_GE_MDIO_READ(TITAN_GE_MDIO_DEVICE_PORT_ADDRESS); -+ val = ( (val & ~(0x1f00)) | ( (dev_addr << 8) & 0x1f00)); -+ val = ( (val & ~(0x001f)) | ( reg_addr & 0x001f)); -+ TITAN_GE_MDIO_WRITE(TITAN_GE_MDIO_DEVICE_PORT_ADDRESS, val); -+ -+ /* Write the new address */ -+ val = TITAN_GE_MDIO_READ(TITAN_GE_MDIO_COMMAND); -+ val = ( (val & ~(0x0300)) | ( (WRITEADDRS_OPCODE << 8) & 0x0300)); -+ TITAN_GE_MDIO_WRITE(TITAN_GE_MDIO_COMMAND, val); -+ -+ return TITAN_GE_MDIO_GOOD; -+} -+ -+/* -+ * Read the MDIO register. This is what the individual parametes mean: -+ * -+ * dev_addr : PHY ID -+ * reg_addr : register offset -+ * -+ * See the spec for the Titan MAC. We operate in the Direct Mode. -+ */ -+ -+#define MAX_RETRIES 2 -+ -+int titan_ge_mdio_read(int dev_addr, int reg_addr, unsigned int *pdata) -+{ -+ volatile unsigned long val; -+ int retries = 0; -+ -+ /* Setup the PHY device */ -+ -+again: -+ val = TITAN_GE_MDIO_READ(TITAN_GE_MDIO_DEVICE_PORT_ADDRESS); -+ val = ( (val & ~(0x1f00)) | ( (dev_addr << 8) & 0x1f00)); -+ val = ( (val & ~(0x001f)) | ( reg_addr & 0x001f)); -+ val |= 0x4000; -+ TITAN_GE_MDIO_WRITE(TITAN_GE_MDIO_DEVICE_PORT_ADDRESS, val); -+ -+ udelay(30); -+ -+ /* Issue the read command */ -+ val = TITAN_GE_MDIO_READ(TITAN_GE_MDIO_COMMAND); -+ val = ( (val & ~(0x0300)) | ( (READ_OPCODE << 8) & 0x0300)); -+ TITAN_GE_MDIO_WRITE(TITAN_GE_MDIO_COMMAND, val); -+ -+ udelay(30); -+ -+ if (titan_ge_mdio_poll() != TITAN_GE_MDIO_GOOD) -+ return TITAN_GE_MDIO_ERROR; -+ -+ *pdata = (unsigned int)TITAN_GE_MDIO_READ(TITAN_GE_MDIO_DATA); -+ val = TITAN_GE_MDIO_READ(TITAN_GE_MDIO_INTERRUPTS); -+ -+ udelay(30); -+ -+ if (val & 0x2) { -+ if (retries == MAX_RETRIES) -+ return TITAN_GE_MDIO_ERROR; -+ else { -+ retries++; -+ goto again; -+ } -+ } -+ -+ return TITAN_GE_MDIO_GOOD; -+} -+ -+/* -+ * Write to the MDIO register -+ * -+ * dev_addr : PHY ID -+ * reg_addr : register that needs to be written to -+ * -+ */ -+int titan_ge_mdio_write(int dev_addr, int reg_addr, unsigned int data) -+{ -+ volatile unsigned long val; -+ -+ if (titan_ge_mdio_poll() != TITAN_GE_MDIO_GOOD) -+ return TITAN_GE_MDIO_ERROR; -+ -+ /* Setup the PHY device */ -+ val = TITAN_GE_MDIO_READ(TITAN_GE_MDIO_DEVICE_PORT_ADDRESS); -+ val = ( (val & ~(0x1f00)) | ( (dev_addr << 8) & 0x1f00)); -+ val = ( (val & ~(0x001f)) | ( reg_addr & 0x001f)); -+ val |= 0x4000; -+ TITAN_GE_MDIO_WRITE(TITAN_GE_MDIO_DEVICE_PORT_ADDRESS, val); -+ -+ udelay(30); -+ -+ /* Setup the data to write */ -+ TITAN_GE_MDIO_WRITE(TITAN_GE_MDIO_DATA, data); -+ -+ udelay(30); -+ -+ /* Issue the write command */ -+ val = TITAN_GE_MDIO_READ(TITAN_GE_MDIO_COMMAND); -+ val = ( (val & ~(0x0300)) | ( (WRITE_OPCODE << 8) & 0x0300)); -+ TITAN_GE_MDIO_WRITE(TITAN_GE_MDIO_COMMAND, val); -+ -+ udelay(30); -+ -+ if (titan_ge_mdio_poll() != TITAN_GE_MDIO_GOOD) -+ return TITAN_GE_MDIO_ERROR; -+ -+ val = TITAN_GE_MDIO_READ(TITAN_GE_MDIO_INTERRUPTS); -+ if (val & 0x2) -+ return TITAN_GE_MDIO_ERROR; -+ -+ return TITAN_GE_MDIO_GOOD; -+} -+ -diff --git a/drivers/net/titan_mdio.h b/drivers/net/titan_mdio.h -new file mode 100644 -index 0000000..5d23344 ---- /dev/null -+++ b/drivers/net/titan_mdio.h -@@ -0,0 +1,56 @@ -+/* -+ * MDIO used to interact with the PHY when using GMII/MII -+ */ -+#ifndef _TITAN_MDIO_H -+#define _TITAN_MDIO_H -+ -+#include -+#include -+#include -+#include "titan_ge.h" -+ -+ -+#define TITAN_GE_MDIO_ERROR (-9000) -+#define TITAN_GE_MDIO_GOOD 0 -+ -+#define TITAN_GE_MDIO_BASE titan_ge_base -+ -+#define TITAN_GE_MDIO_READ(offset) \ -+ *(volatile u32 *)(titan_ge_base + (offset)) -+ -+#define TITAN_GE_MDIO_WRITE(offset, data) \ -+ *(volatile u32 *)(titan_ge_base + (offset)) = (data) -+ -+ -+/* GMII specific registers */ -+#define TITAN_GE_MARVEL_PHY_ID 0x00 -+#define TITAN_PHY_AUTONEG_ADV 0x04 -+#define TITAN_PHY_LP_ABILITY 0x05 -+#define TITAN_GE_MDIO_MII_CTRL 0x09 -+#define TITAN_GE_MDIO_MII_EXTENDED 0x0f -+#define TITAN_GE_MDIO_PHY_CTRL 0x10 -+#define TITAN_GE_MDIO_PHY_STATUS 0x11 -+#define TITAN_GE_MDIO_PHY_IE 0x12 -+#define TITAN_GE_MDIO_PHY_IS 0x13 -+#define TITAN_GE_MDIO_PHY_LED 0x18 -+#define TITAN_GE_MDIO_PHY_LED_OVER 0x19 -+#define PHY_ANEG_TIME_WAIT 45 /* 45 seconds wait time */ -+ -+/* -+ * MDIO Config Structure -+ */ -+typedef struct { -+ unsigned int clka; -+ int mdio_spre; -+ int mdio_mode; -+} titan_ge_mdio_config; -+ -+/* -+ * Function Prototypes -+ */ -+int titan_ge_mdio_setup(titan_ge_mdio_config *); -+int titan_ge_mdio_inaddrs(int, int); -+int titan_ge_mdio_read(int, int, unsigned int *); -+int titan_ge_mdio_write(int, int, unsigned int); -+ -+#endif /* _TITAN_MDIO_H */ -diff --git a/drivers/net/wireless/rtl818x/rtl8187/rfkill.c b/drivers/net/wireless/rtl818x/rtl8187/rfkill.c -index 3411671..4d252c1 100644 ---- a/drivers/net/wireless/rtl818x/rtl8187/rfkill.c -+++ b/drivers/net/wireless/rtl818x/rtl8187/rfkill.c -@@ -22,6 +22,10 @@ - - static bool rtl8187_is_radio_enabled(struct rtl8187_priv *priv) - { -+#ifdef CONFIG_LEMOTE_MACH2F -+ /* Allow users to activate rfkill through only the /sys interface */ -+ return 1; -+#else - u8 gpio; - - gpio = rtl818x_ioread8(priv, &priv->map->GPIO0); -@@ -29,6 +33,7 @@ static bool rtl8187_is_radio_enabled(struct rtl8187_priv *priv) - gpio = rtl818x_ioread8(priv, &priv->map->GPIO1); - - return gpio & priv->rfkill_mask; -+#endif - } - - void rtl8187_rfkill_init(struct ieee80211_hw *hw) -diff --git a/drivers/platform/Kconfig b/drivers/platform/Kconfig -index 09fde58..eacabd1 100644 ---- a/drivers/platform/Kconfig -+++ b/drivers/platform/Kconfig -@@ -4,5 +4,8 @@ endif - if GOLDFISH - source "drivers/platform/goldfish/Kconfig" - endif -+if MIPS -+source "drivers/platform/mips/Kconfig" -+endif - - source "drivers/platform/chrome/Kconfig" -diff --git a/drivers/platform/Makefile b/drivers/platform/Makefile -index 3656b7b..ca26925 100644 ---- a/drivers/platform/Makefile -+++ b/drivers/platform/Makefile -@@ -3,6 +3,7 @@ - # - - obj-$(CONFIG_X86) += x86/ -+obj-$(CONFIG_MIPS) += mips/ - obj-$(CONFIG_OLPC) += olpc/ - obj-$(CONFIG_GOLDFISH) += goldfish/ - obj-$(CONFIG_CHROME_PLATFORMS) += chrome/ -diff --git a/drivers/platform/mips/Kconfig b/drivers/platform/mips/Kconfig -new file mode 100644 -index 0000000..722d690 ---- /dev/null -+++ b/drivers/platform/mips/Kconfig -@@ -0,0 +1,60 @@ -+# -+# MIPS Platform Specific Drivers -+# -+ -+menuconfig MIPS_PLATFORM_DEVICES -+ bool "MIPS Platform Specific Device Drivers" -+ default y -+ help -+ Say Y here to get to see options for device drivers of various -+ MIPS platforms, including vendor-specific netbook/laptop/pc extension -+ drivers. This option alone does not add any kernel code. -+ -+ If you say N, all options in this submenu will be skipped and disabled. -+ -+if MIPS_PLATFORM_DEVICES -+ -+config LEMOTE_YEELOONG2F -+ tristate "Lemote YeeLoong Laptop" -+ depends on LEMOTE_MACH2F -+ select BACKLIGHT_LCD_SUPPORT -+ select LCD_CLASS_DEVICE -+ select BACKLIGHT_CLASS_DEVICE -+ select POWER_SUPPLY -+ select HWMON -+ select VIDEO_OUTPUT_CONTROL -+ select INPUT_SPARSEKMAP -+ select INPUT_EVDEV -+ depends on INPUT -+ default m -+ help -+ YeeLoong netbook is a mini laptop made by Lemote, which is basically -+ compatible to FuLoong2F mini PC, but it has an extra Embedded -+ Controller(kb3310b) for battery, hotkey, backlight, temperature and -+ fan management. -+ -+config LEMOTE_LYNLOONG2F -+ tristate "Lemote LynLoong PC" -+ depends on LEMOTE_MACH2F -+ select BACKLIGHT_LCD_SUPPORT -+ select BACKLIGHT_CLASS_DEVICE -+ select VIDEO_OUTPUT_CONTROL -+ default m -+ help -+ LynLoong PC is an AllINONE machine made by Lemote, which is basically -+ compatible to FuLoong2F Mini PC, the only difference is that it has a -+ size-fixed screen: 1360x768 with sisfb video driver. and also, it has -+ its own specific suspend support. -+ -+config GDIUM_LAPTOP -+ tristate "GDIUM laptop extras" -+ depends on DEXXON_GDIUM -+ select POWER_SUPPLY -+ select I2C -+ select INPUT_POLLDEV -+ default m -+ help -+ This mini-driver drives the ST7 chipset present in the Gdium laptops. -+ This gives battery support, wlan rfkill. -+ -+endif # MIPS_PLATFORM_DEVICES -diff --git a/drivers/platform/mips/Makefile b/drivers/platform/mips/Makefile -new file mode 100644 -index 0000000..f013e78 ---- /dev/null -+++ b/drivers/platform/mips/Makefile -@@ -0,0 +1,9 @@ -+# -+# Makefile for MIPS Platform-Specific Drivers -+# -+ -+obj-$(CONFIG_LEMOTE_YEELOONG2F) += yeeloong_laptop.o # yeeloong_ecrom.o -+CFLAGS_yeeloong_laptop.o = -I$(srctree)/arch/mips/loongson/lemote-2f -+ -+obj-$(CONFIG_LEMOTE_LYNLOONG2F) += lynloong_pc.o -+obj-$(CONFIG_GDIUM_LAPTOP) += gdium_laptop.o -diff --git a/drivers/platform/mips/gdium_laptop.c b/drivers/platform/mips/gdium_laptop.c -new file mode 100644 -index 0000000..41a65ad ---- /dev/null -+++ b/drivers/platform/mips/gdium_laptop.c -@@ -0,0 +1,927 @@ -+/* -+ * gdium_laptop -- Gdium laptop extras -+ * -+ * Arnaud Patard -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License as published by the -+ * Free Software Foundation; either version 2 of the License, or (at your -+ * option) any later version. -+ * -+ */ -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+/* For input device */ -+#define SCAN_INTERVAL 150 -+ -+/* For battery status */ -+#define BAT_SCAN_INTERVAL 500 -+ -+#define EC_FIRM_VERSION 0 -+ -+#if CONFIG_GDIUM_VERSION > 2 -+#define EC_REG_BASE 1 -+#else -+#define EC_REG_BASE 0 -+#endif -+ -+#define EC_STATUS (EC_REG_BASE+0) -+#define EC_STATUS_LID (1<<0) -+#define EC_STATUS_PWRBUT (1<<1) -+#define EC_STATUS_BATID (1<<2) /* this bit has no real meaning on v2. */ -+ /* Same as EC_STATUS_ADAPT */ -+ /* but on v3 it's BATID which mean bat present */ -+#define EC_STATUS_SYS_POWER (1<<3) -+#define EC_STATUS_WLAN (1<<4) -+#define EC_STATUS_ADAPT (1<<5) -+ -+#define EC_CTRL (EC_REG_BASE+1) -+#define EC_CTRL_DDR_CLK (1<<0) -+#define EC_CTRL_CHARGE_LED (1<<1) -+#define EC_CTRL_BEEP (1<<2) -+#define EC_CTRL_SUSB (1<<3) /* memory power */ -+#define EC_CTRL_TRICKLE (1<<4) -+#define EC_CTRL_WLAN_EN (1<<5) -+#define EC_CTRL_SUSC (1<<6) /* main power */ -+#define EC_CTRL_CHARGE_EN (1<<7) -+ -+#define EC_BAT_LOW (EC_REG_BASE+2) -+#define EC_BAT_HIGH (EC_REG_BASE+3) -+ -+#define EC_SIGN (EC_REG_BASE+4) -+#define EC_SIGN_OS 0xAE /* write 0xae to control pm stuff */ -+#define EC_SIGN_EC 0x00 /* write 0x00 to let the st7 manage pm stuff */ -+ -+#if 0 -+#define EC_TEST (EC_REG_BASE+5) /* Depending on firmware version this register */ -+ /* may be the programmation register so don't play */ -+ /* with it */ -+#endif -+ -+#define BAT_VOLT_PRESENT 500000 /* Min voltage to consider battery present uV */ -+#define BAT_MIN 7000000 /* Min battery voltage in uV */ -+#define BAT_MIN_MV 7000 /* Min battery voltage in mV */ -+#define BAT_TRICKLE_EN 8000000 /* Charging at 1.4A before 8.0V and then charging at 0.25A */ -+#define BAT_MAX 7950000 /* Max battery voltage ~8V in V */ -+#define BAT_MAX_MV 7950 /* Max battery voltage ~8V in V */ -+#define BAT_READ_ERROR 300000 /* battery read error of 0.3V */ -+#define BAT_READ_ERROR_MV 300 /* battery read error of 0.3V */ -+ -+#define SM502_WLAN_ON (224+16)/* SM502 GPIO16 may be used on gdium v2 (v3?) as wlan_on */ -+ /* when R422 is connected */ -+ -+static unsigned char verbose; -+static unsigned char gpio16; -+static unsigned char ec; -+module_param(verbose, byte, S_IRUGO | S_IWUSR); -+MODULE_PARM_DESC(verbose, "Add some debugging messages"); -+module_param(gpio16, byte, S_IRUGO); -+MODULE_PARM_DESC(gpio16, "Enable wlan_on signal on SM502"); -+module_param(ec, byte, S_IRUGO); -+MODULE_PARM_DESC(ec, "Let the ST7 handle the battery (default OS)"); -+ -+struct gdium_laptop_data { -+ struct i2c_client *client; -+ struct input_polled_dev *input_polldev; -+ struct dentry *debugfs; -+ struct mutex mutex; -+ struct platform_device *bat_pdev; -+ struct power_supply gdium_ac; -+ struct power_supply gdium_battery; -+ struct workqueue_struct *workqueue; -+ struct delayed_work work; -+ char charge_cmd; -+ /* important registers value */ -+ char status; -+ char ctrl; -+ /* mV */ -+ int battery_level; -+ char version; -+}; -+ -+/**********************************************************************/ -+/* Low level I2C functions */ -+/* All are supposed to be called with mutex held */ -+/**********************************************************************/ -+/* -+ * Return battery voltage in mV -+ * >= 0 battery voltage -+ * < 0 error -+ */ -+static s32 ec_read_battery(struct i2c_client *client) -+{ -+ unsigned char bat_low, bat_high; -+ s32 data; -+ unsigned int ret; -+ -+ /* -+ * a = battery high -+ * b = battery low -+ * bat = a << 2 | b & 0x03; -+ * battery voltage = (bat / 1024) * 5 * 2 -+ */ -+ data = i2c_smbus_read_byte_data(client, EC_BAT_LOW); -+ if (data < 0) { -+ dev_err(&client->dev, "ec_read_bat: read bat_low failed\n"); -+ return data; -+ } -+ bat_low = data & 0xff; -+ if (verbose) -+ dev_info(&client->dev, "bat_low %x\n", bat_low); -+ -+ data = i2c_smbus_read_byte_data(client, EC_BAT_HIGH); -+ if (data < 0) { -+ dev_err(&client->dev, "ec_read_bat: read bat_high failed\n"); -+ return data; -+ } -+ bat_high = data & 0xff; -+ if (verbose) -+ dev_info(&client->dev, "bat_high %x\n", bat_high); -+ -+ ret = (bat_high << 2) | (bat_low & 3); -+ /* -+ * mV -+ */ -+ ret = (ret * 5 * 2) * 1000 / 1024; -+ -+ return ret; -+} -+ -+static s32 ec_read_version(struct i2c_client *client) -+{ -+#if CONFIG_GDIUM_VERSION > 2 -+ return i2c_smbus_read_byte_data(client, EC_FIRM_VERSION); -+#else -+ return 0; -+#endif -+} -+ -+static s32 ec_read_status(struct i2c_client *client) -+{ -+ return i2c_smbus_read_byte_data(client, EC_STATUS); -+} -+ -+static s32 ec_read_ctrl(struct i2c_client *client) -+{ -+ return i2c_smbus_read_byte_data(client, EC_CTRL); -+} -+ -+static s32 ec_write_ctrl(struct i2c_client *client, unsigned char newvalue) -+{ -+ return i2c_smbus_write_byte_data(client, EC_CTRL, newvalue); -+} -+ -+static s32 ec_read_sign(struct i2c_client *client) -+{ -+ return i2c_smbus_read_byte_data(client, EC_SIGN); -+} -+ -+static s32 ec_write_sign(struct i2c_client *client, unsigned char sign) -+{ -+ unsigned char value; -+ s32 ret; -+ -+ ret = i2c_smbus_write_byte_data(client, EC_SIGN, sign); -+ if (ret < 0) { -+ dev_err(&client->dev, "ec_set_control: write failed\n"); -+ return ret; -+ } -+ -+ value = ec_read_sign(client); -+ if (value != sign) { -+ dev_err(&client->dev, "Failed to set control to %s\n", -+ sign == EC_SIGN_OS ? "OS" : "EC"); -+ return -EIO; -+ } -+ -+ return 0; -+} -+ -+#if 0 -+static int ec_power_off(struct i2c_client *client) -+{ -+ char value; -+ int ret; -+ -+ value = ec_read_ctrl(client); -+ if (value < 0) { -+ dev_err(&client->dev, "ec_power_off: read failed\n"); -+ return value; -+ } -+ value &= ~(EC_CTRL_SUSB | EC_CTRL_SUSC); -+ ret = ec_write_ctrl(client, value); -+ if (ret < 0) { -+ dev_err(&client->dev, "ec_power_off: write failed\n"); -+ return ret; -+ } -+ -+ return 0; -+} -+#endif -+ -+static s32 ec_wlan_status(struct i2c_client *client) -+{ -+ s32 value; -+ -+ value = ec_read_ctrl(client); -+ if (value < 0) -+ return value; -+ -+ return (value & EC_CTRL_WLAN_EN) ? 1 : 0; -+} -+ -+static s32 ec_wlan_en(struct i2c_client *client, int on) -+{ -+ s32 value; -+ -+ value = ec_read_ctrl(client); -+ if (value < 0) -+ return value; -+ -+ value &= ~EC_CTRL_WLAN_EN; -+ if (on) -+ value |= EC_CTRL_WLAN_EN; -+ -+ return ec_write_ctrl(client, value&0xff); -+} -+ -+#if 0 -+static s32 ec_led_status(struct i2c_client *client) -+{ -+ s32 value; -+ -+ value = ec_read_ctrl(client); -+ if (value < 0) -+ return value; -+ -+ return (value & EC_CTRL_CHARGE_LED) ? 1 : 0; -+} -+#endif -+ -+/* Changing the charging led status has never worked */ -+static s32 ec_led_en(struct i2c_client *client, int on) -+{ -+#if 0 -+ s32 value; -+ -+ value = ec_read_ctrl(client); -+ if (value < 0) -+ return value; -+ -+ value &= ~EC_CTRL_CHARGE_LED; -+ if (on) -+ value |= EC_CTRL_CHARGE_LED; -+ return ec_write_ctrl(client, value&0xff); -+#else -+ return 0; -+#endif -+} -+ -+static s32 ec_charge_en(struct i2c_client *client, int on, int trickle) -+{ -+ s32 value; -+ s32 set = 0; -+ -+ value = ec_read_ctrl(client); -+ if (value < 0) -+ return value; -+ -+ if (on) -+ set |= EC_CTRL_CHARGE_EN; -+ if (trickle) -+ set |= EC_CTRL_TRICKLE; -+ -+ /* Be clever : don't change values if you don't need to */ -+ if ((value & (EC_CTRL_CHARGE_EN | EC_CTRL_TRICKLE)) == set) -+ return 0; -+ -+ value &= ~(EC_CTRL_CHARGE_EN | EC_CTRL_TRICKLE); -+ value |= set; -+ ec_led_en(client, on); -+ return ec_write_ctrl(client, (unsigned char)(value&0xff)); -+ -+} -+ -+/**********************************************************************/ -+/* Input functions */ -+/**********************************************************************/ -+struct gdium_keys { -+ int last_state; -+ int key_code; -+ int mask; -+ int type; -+}; -+ -+static struct gdium_keys gkeys[] = { -+ { -+ .key_code = KEY_WLAN, -+ .mask = EC_STATUS_WLAN, -+ .type = EV_KEY, -+ }, -+ { -+ .key_code = KEY_POWER, -+ .mask = EC_STATUS_PWRBUT, -+ .type = EV_KEY, /*EV_PWR,*/ -+ }, -+ { -+ .key_code = SW_LID, -+ .mask = EC_STATUS_LID, -+ .type = EV_SW, -+ }, -+}; -+ -+static void gdium_laptop_keys_poll(struct input_polled_dev *dev) -+{ -+ int state, i; -+ struct gdium_laptop_data *data = dev->private; -+ struct i2c_client *client = data->client; -+ struct input_dev *input = dev->input; -+ s32 status; -+ -+ mutex_lock(&data->mutex); -+ status = ec_read_status(client); -+ mutex_unlock(&data->mutex); -+ -+ if (status < 0) { -+ /* -+ * Don't know exactly which version of the firmware -+ * has this bug but when the power button is pressed -+ * there are i2c read errors :( -+ */ -+ if ((data->version >= 0x13) && !gkeys[1].last_state) { -+ input_event(input, EV_KEY, KEY_POWER, 1); -+ input_sync(input); -+ gkeys[1].last_state = 1; -+ } -+ return; -+ } -+ -+ for (i = 0; i < ARRAY_SIZE(gkeys); i++) { -+ state = status & gkeys[i].mask; -+ if (state != gkeys[i].last_state) { -+ gkeys[i].last_state = state; -+ /* for power key, we want power & key press/release event */ -+ if (gkeys[i].type == EV_PWR) { -+ input_event(input, EV_KEY, gkeys[i].key_code, !!state); -+ input_sync(input); -+ } -+ /* Disable wifi on key press but not key release */ -+ /* -+ * On firmware >= 0x13 the EC_STATUS_WLAN has it's -+ * original meaning of Wifi status and no more the -+ * wifi button status so we have to ignore the event -+ * on theses versions -+ */ -+ if (state && (gkeys[i].key_code == KEY_WLAN) && (data->version < 0x13)) { -+ mutex_lock(&data->mutex); -+ ec_wlan_en(client, !ec_wlan_status(client)); -+ if (gpio16) -+ gpio_set_value(SM502_WLAN_ON, !ec_wlan_status(client)); -+ mutex_unlock(&data->mutex); -+ } -+ -+ input_event(input, gkeys[i].type, gkeys[i].key_code, !!state); -+ input_sync(input); -+ } -+ } -+} -+ -+static int gdium_laptop_input_init(struct gdium_laptop_data *data) -+{ -+ struct i2c_client *client = data->client; -+ struct input_dev *input; -+ int ret, i; -+ -+ data->input_polldev = input_allocate_polled_device(); -+ if (!data->input_polldev) { -+ ret = -ENOMEM; -+ goto err; -+ } -+ -+ input = data->input_polldev->input; -+ input->evbit[0] = BIT(EV_KEY) | BIT_MASK(EV_PWR) | BIT_MASK(EV_SW); -+ data->input_polldev->poll = gdium_laptop_keys_poll; -+ data->input_polldev->poll_interval = SCAN_INTERVAL; -+ data->input_polldev->private = data; -+ input->name = "gdium-keys"; -+ input->dev.parent = &client->dev; -+ -+ input->id.bustype = BUS_HOST; -+ input->id.vendor = 0x0001; -+ input->id.product = 0x0001; -+ input->id.version = 0x0100; -+ -+ for (i = 0; i < ARRAY_SIZE(gkeys); i++) -+ input_set_capability(input, gkeys[i].type, gkeys[i].key_code); -+ -+ ret = input_register_polled_device(data->input_polldev); -+ if (ret) { -+ dev_err(&client->dev, "Unable to register button device\n"); -+ goto err_poll_dev; -+ } -+ -+ return 0; -+ -+err_poll_dev: -+ input_free_polled_device(data->input_polldev); -+err: -+ return ret; -+} -+ -+static void gdium_laptop_input_exit(struct gdium_laptop_data *data) -+{ -+ input_unregister_polled_device(data->input_polldev); -+ input_free_polled_device(data->input_polldev); -+} -+ -+/**********************************************************************/ -+/* Battery management */ -+/**********************************************************************/ -+static int gdium_ac_get_props(struct power_supply *psy, -+ enum power_supply_property psp, -+ union power_supply_propval *val) -+{ -+ char status; -+ struct gdium_laptop_data *data = container_of(psy, struct gdium_laptop_data, gdium_ac); -+ int ret = 0; -+ -+ if (!data) { -+ pr_err("gdium-ac: gdium_laptop_data not found\n"); -+ return -EINVAL; -+ } -+ -+ status = data->status; -+ switch (psp) { -+ case POWER_SUPPLY_PROP_ONLINE: -+ val->intval = !!(status & EC_STATUS_ADAPT); -+ break; -+ default: -+ ret = -EINVAL; -+ break; -+ } -+ -+ return ret; -+} -+ -+#undef RET -+#define RET (val->intval) -+ -+static int gdium_battery_get_props(struct power_supply *psy, -+ enum power_supply_property psp, -+ union power_supply_propval *val) -+{ -+ char status, ctrl; -+ struct gdium_laptop_data *data = container_of(psy, struct gdium_laptop_data, gdium_battery); -+ int percentage_capacity = 0, charge_now = 0, time_to_empty = 0; -+ int ret = 0, tmp; -+ -+ if (!data) { -+ pr_err("gdium-battery: gdium_laptop_data not found\n"); -+ return -EINVAL; -+ } -+ -+ status = data->status; -+ ctrl = data->ctrl; -+ switch (psp) { -+ case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: -+ /* uAh */ -+ RET = 5000000; -+ break; -+ case POWER_SUPPLY_PROP_CURRENT_NOW: -+ case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW: -+ /* This formula is gotten by gnuplot with the statistic data */ -+ time_to_empty = (data->battery_level - BAT_MIN_MV + BAT_READ_ERROR_MV) * 113 - 29870; -+ if (psp == POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW) { -+ /* seconds */ -+ RET = time_to_empty / 10; -+ break; -+ } -+ /* fall through */ -+ case POWER_SUPPLY_PROP_CHARGE_NOW: -+ case POWER_SUPPLY_PROP_CAPACITY: { -+ tmp = data->battery_level * 1000; -+ /* > BAT_MIN to avoid negative values */ -+ percentage_capacity = 0; -+ if ((status & EC_STATUS_BATID) && (tmp > BAT_MIN)) -+ percentage_capacity = (tmp-BAT_MIN)*100/(BAT_MAX-BAT_MIN); -+ -+ if (percentage_capacity > 100) -+ percentage_capacity = 100; -+ -+ if (psp == POWER_SUPPLY_PROP_CAPACITY) { -+ RET = percentage_capacity; -+ break; -+ } -+ charge_now = 50000 * percentage_capacity; -+ if (psp == POWER_SUPPLY_PROP_CHARGE_NOW) { -+ /* uAh */ -+ RET = charge_now; -+ break; -+ } -+ } /* fall through */ -+ case POWER_SUPPLY_PROP_STATUS: { -+ if (status & EC_STATUS_ADAPT) -+ if (ctrl & EC_CTRL_CHARGE_EN) -+ RET = POWER_SUPPLY_STATUS_CHARGING; -+ else -+ RET = POWER_SUPPLY_STATUS_NOT_CHARGING; -+ else -+ RET = POWER_SUPPLY_STATUS_DISCHARGING; -+ -+ if (psp == POWER_SUPPLY_PROP_STATUS) -+ break; -+ /* mAh -> µA */ -+ switch (RET) { -+ case POWER_SUPPLY_STATUS_CHARGING: -+ RET = -(data->charge_cmd == 2) ? 1400000 : 250000; -+ break; -+ case POWER_SUPPLY_STATUS_DISCHARGING: -+ RET = charge_now / time_to_empty * 36000; -+ break; -+ case POWER_SUPPLY_STATUS_NOT_CHARGING: -+ default: -+ RET = 0; -+ break; -+ } -+ } break; -+ case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: -+ RET = BAT_MAX+BAT_READ_ERROR; -+ break; -+ case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: -+ RET = BAT_MIN-BAT_READ_ERROR; -+ break; -+ case POWER_SUPPLY_PROP_VOLTAGE_NOW: -+ /* mV -> uV */ -+ RET = data->battery_level * 1000; -+ break; -+ case POWER_SUPPLY_PROP_PRESENT: -+#if CONFIG_GDIUM_VERSION > 2 -+ RET = !!(status & EC_STATUS_BATID); -+#else -+ RET = !!(data->battery_level > BAT_VOLT_PRESENT); -+#endif -+ break; -+ case POWER_SUPPLY_PROP_CAPACITY_LEVEL: -+ tmp = data->battery_level * 1000; -+ RET = POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN; -+ if (status & EC_STATUS_BATID) { -+ if (tmp >= BAT_MAX) { -+ RET = POWER_SUPPLY_CAPACITY_LEVEL_HIGH; -+ if (tmp >= BAT_MAX+BAT_READ_ERROR) -+ RET = POWER_SUPPLY_CAPACITY_LEVEL_FULL; -+ } else if (tmp <= BAT_MIN+BAT_READ_ERROR) { -+ RET = POWER_SUPPLY_CAPACITY_LEVEL_LOW; -+ if (tmp <= BAT_MIN) -+ RET = POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL; -+ } else -+ RET = POWER_SUPPLY_CAPACITY_LEVEL_NORMAL; -+ } -+ break; -+ case POWER_SUPPLY_PROP_CHARGE_TYPE: -+ if (ctrl & EC_CTRL_TRICKLE) -+ RET = POWER_SUPPLY_CHARGE_TYPE_TRICKLE; -+ else if (ctrl & EC_CTRL_CHARGE_EN) -+ RET = POWER_SUPPLY_CHARGE_TYPE_FAST; -+ else -+ RET = POWER_SUPPLY_CHARGE_TYPE_NONE; -+ break; -+ case POWER_SUPPLY_PROP_CURRENT_MAX: -+ /* 1.4A ? */ -+ RET = 1400000; -+ break; -+ default: -+ break; -+ } -+ -+ return ret; -+} -+#undef RET -+ -+static enum power_supply_property gdium_ac_props[] = { -+ POWER_SUPPLY_PROP_ONLINE, -+}; -+ -+static enum power_supply_property gdium_battery_props[] = { -+ POWER_SUPPLY_PROP_STATUS, -+ POWER_SUPPLY_PROP_PRESENT, -+ POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, -+ POWER_SUPPLY_PROP_CHARGE_NOW, -+ POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW, -+ POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, -+ POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, -+ POWER_SUPPLY_PROP_VOLTAGE_NOW, -+ POWER_SUPPLY_PROP_CURRENT_MAX, -+ POWER_SUPPLY_PROP_CURRENT_NOW, -+ POWER_SUPPLY_PROP_CAPACITY, -+ POWER_SUPPLY_PROP_CAPACITY_LEVEL, -+ POWER_SUPPLY_PROP_CHARGE_TYPE, -+}; -+ -+static void gdium_laptop_battery_work(struct work_struct *work) -+{ -+ struct gdium_laptop_data *data = container_of(work, struct gdium_laptop_data, work.work); -+ struct i2c_client *client; -+ int ret; -+ char old_status, old_charge_cmd; -+ char present; -+ s32 status; -+ -+ mutex_lock(&data->mutex); -+ client = data->client; -+ status = ec_read_status(client); -+ ret = ec_read_battery(client); -+ -+ if ((status < 0) || (ret < 0)) -+ goto i2c_read_error; -+ -+ old_status = data->status; -+ old_charge_cmd = data->charge_cmd; -+ data->status = status; -+ -+ /* -+ * Charge only if : -+ * - battery present -+ * - ac adapter plugged in -+ * - battery not fully charged -+ */ -+#if CONFIG_GDIUM_VERSION > 2 -+ present = !!(data->status & EC_STATUS_BATID); -+#else -+ present = !!(ret > BAT_VOLT_PRESENT); -+#endif -+ data->battery_level = 0; -+ if (present) { -+ data->battery_level = (unsigned int)ret; -+ if (data->status & EC_STATUS_ADAPT) -+ data->battery_level -= BAT_READ_ERROR_MV; -+ } -+ -+ data->charge_cmd = 0; -+ if ((data->status & EC_STATUS_ADAPT) && present && (data->battery_level <= BAT_MAX_MV)) -+ data->charge_cmd = (ret < BAT_TRICKLE_EN) ? 2 : 3; -+ -+ ec_charge_en(client, (data->charge_cmd >> 1) & 1, data->charge_cmd & 1); -+ -+ /* -+ * data->ctrl must be set _after_ calling ec_charge_en as this will change the -+ * control register content -+ */ -+ data->ctrl = ec_read_ctrl(client); -+ -+ if ((data->status & EC_STATUS_ADAPT) != (old_status & EC_STATUS_ADAPT)) { -+ power_supply_changed(&data->gdium_ac); -+ /* Send charging/discharging state change */ -+ power_supply_changed(&data->gdium_battery); -+ } else if ((data->status & EC_STATUS_ADAPT) && -+ ((old_charge_cmd&2) != (data->charge_cmd&2))) -+ power_supply_changed(&data->gdium_battery); -+ -+i2c_read_error: -+ mutex_unlock(&data->mutex); -+ queue_delayed_work(data->workqueue, &data->work, msecs_to_jiffies(BAT_SCAN_INTERVAL)); -+} -+ -+static int gdium_laptop_battery_init(struct gdium_laptop_data *data) -+{ -+ int ret; -+ -+ data->bat_pdev = platform_device_register_simple("gdium-battery", 0, NULL, 0); -+ if (IS_ERR(data->bat_pdev)) -+ return PTR_ERR(data->bat_pdev); -+ -+ data->gdium_battery.name = data->bat_pdev->name; -+ data->gdium_battery.properties = gdium_battery_props; -+ data->gdium_battery.num_properties = ARRAY_SIZE(gdium_battery_props); -+ data->gdium_battery.get_property = gdium_battery_get_props; -+ data->gdium_battery.use_for_apm = 1; -+ -+ ret = power_supply_register(&data->bat_pdev->dev, &data->gdium_battery); -+ if (ret) -+ goto err_platform; -+ -+ data->gdium_ac.name = "gdium-ac"; -+ data->gdium_ac.type = POWER_SUPPLY_TYPE_MAINS; -+ data->gdium_ac.properties = gdium_ac_props; -+ data->gdium_ac.num_properties = ARRAY_SIZE(gdium_ac_props); -+ data->gdium_ac.get_property = gdium_ac_get_props; -+/* data->gdium_ac.use_for_apm_ac = 1, */ -+ -+ ret = power_supply_register(&data->bat_pdev->dev, &data->gdium_ac); -+ if (ret) -+ goto err_battery; -+ -+ if (!ec) { -+ INIT_DELAYED_WORK(&data->work, gdium_laptop_battery_work); -+ data->workqueue = create_singlethread_workqueue("gdium-battery-work"); -+ if (!data->workqueue) { -+ ret = -ESRCH; -+ goto err_work; -+ } -+ queue_delayed_work(data->workqueue, &data->work, msecs_to_jiffies(BAT_SCAN_INTERVAL)); -+ } -+ -+ return 0; -+ -+err_work: -+err_battery: -+ power_supply_unregister(&data->gdium_battery); -+err_platform: -+ platform_device_unregister(data->bat_pdev); -+ -+ return ret; -+} -+static void gdium_laptop_battery_exit(struct gdium_laptop_data *data) -+{ -+ if (!ec) { -+ cancel_rearming_delayed_workqueue(data->workqueue, &data->work); -+ destroy_workqueue(data->workqueue); -+ } -+ power_supply_unregister(&data->gdium_battery); -+ power_supply_unregister(&data->gdium_ac); -+ platform_device_unregister(data->bat_pdev); -+} -+ -+/* Debug fs */ -+static int gdium_laptop_regs_show(struct seq_file *s, void *p) -+{ -+ struct gdium_laptop_data *data = s->private; -+ struct i2c_client *client = data->client; -+ -+ mutex_lock(&data->mutex); -+ seq_printf(s, "Version : 0x%02x\n", (unsigned char)ec_read_version(client)); -+ seq_printf(s, "Status : 0x%02x\n", (unsigned char)ec_read_status(client)); -+ seq_printf(s, "Ctrl : 0x%02x\n", (unsigned char)ec_read_ctrl(client)); -+ seq_printf(s, "Sign : 0x%02x\n", (unsigned char)ec_read_sign(client)); -+ seq_printf(s, "Bat Lo : 0x%02x\n", (unsigned char)i2c_smbus_read_byte_data(client, EC_BAT_LOW)); -+ seq_printf(s, "Bat Hi : 0x%02x\n", (unsigned char)i2c_smbus_read_byte_data(client, EC_BAT_HIGH)); -+ seq_printf(s, "Battery : %d uV\n", (unsigned int)ec_read_battery(client) * 1000); -+ seq_printf(s, "Charge cmd : %s %s\n", data->charge_cmd & 2 ? "C" : " ", data->charge_cmd & 1 ? "T" : " "); -+ -+ mutex_unlock(&data->mutex); -+ return 0; -+} -+ -+static int gdium_laptop_regs_open(struct inode *inode, -+ struct file *file) -+{ -+ return single_open(file, gdium_laptop_regs_show, inode->i_private); -+} -+ -+static const struct file_operations gdium_laptop_regs_fops = { -+ .open = gdium_laptop_regs_open, -+ .read = seq_read, -+ .llseek = seq_lseek, -+ .release = single_release, -+ .owner = THIS_MODULE, -+}; -+ -+ -+static int gdium_laptop_probe(struct i2c_client *client, const struct i2c_device_id *id) -+{ -+ struct gdium_laptop_data *data; -+ int ret; -+ -+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { -+ dev_err(&client->dev, -+ "%s: no smbus_byte support !\n", __func__); -+ return -ENODEV; -+ } -+ -+ data = kzalloc(sizeof(struct gdium_laptop_data), GFP_KERNEL); -+ if (!data) -+ return -ENOMEM; -+ -+ i2c_set_clientdata(client, data); -+ data->client = client; -+ mutex_init(&data->mutex); -+ -+ ret = ec_read_version(client); -+ if (ret < 0) -+ goto err_alloc; -+ -+ data->version = (unsigned char)ret; -+ -+ ret = gdium_laptop_input_init(data); -+ if (ret) -+ goto err_alloc; -+ -+ ret = gdium_laptop_battery_init(data); -+ if (ret) -+ goto err_input; -+ -+ -+ if (!ec) { -+ ret = ec_write_sign(client, EC_SIGN_OS); -+ if (ret) -+ goto err_sign; -+ } -+ -+ if (gpio16) { -+ ret = gpio_request(SM502_WLAN_ON, "wlan-on"); -+ if (ret < 0) -+ goto err_sign; -+ gpio_set_value(SM502_WLAN_ON, ec_wlan_status(client)); -+ gpio_direction_output(SM502_WLAN_ON, 1); -+ } -+ -+ dev_info(&client->dev, "Found firmware 0x%02x\n", data->version); -+ data->debugfs = debugfs_create_file("gdium_laptop", S_IFREG | S_IRUGO, -+ NULL, data, &gdium_laptop_regs_fops); -+ -+ return 0; -+ -+err_sign: -+ gdium_laptop_battery_exit(data); -+err_input: -+ gdium_laptop_input_exit(data); -+err_alloc: -+ kfree(data); -+ return ret; -+} -+ -+static int gdium_laptop_remove(struct i2c_client *client) -+{ -+ struct gdium_laptop_data *data = i2c_get_clientdata(client); -+ -+ if (gpio16) -+ gpio_free(SM502_WLAN_ON); -+ ec_write_sign(client, EC_SIGN_EC); -+ if (data->debugfs) -+ debugfs_remove(data->debugfs); -+ -+ gdium_laptop_battery_exit(data); -+ gdium_laptop_input_exit(data); -+ -+ kfree(data); -+ return 0; -+} -+ -+#ifdef CONFIG_PM -+static int gdium_laptop_suspend(struct i2c_client *client, pm_message_t msg) -+{ -+ struct gdium_laptop_data *data = i2c_get_clientdata(client); -+ -+ if (!ec) -+ cancel_rearming_delayed_workqueue(data->workqueue, &data->work); -+ return 0; -+} -+ -+static int gdium_laptop_resume(struct i2c_client *client) -+{ -+ struct gdium_laptop_data *data = i2c_get_clientdata(client); -+ -+ if (!ec) -+ queue_delayed_work(data->workqueue, &data->work, msecs_to_jiffies(BAT_SCAN_INTERVAL)); -+ return 0; -+} -+#else -+#define gdium_laptop_suspend NULL -+#define gdium_laptop_resume NULL -+#endif -+static const struct i2c_device_id gdium_id[] = { -+ { "gdium-laptop" }, -+ {}, -+}; -+MODULE_DEVICE_TABLE(i2c, gdium_id); -+ -+static struct i2c_driver gdium_laptop_driver = { -+ .driver = { -+ .name = "gdium-laptop", -+ .owner = THIS_MODULE, -+ }, -+ .probe = gdium_laptop_probe, -+ .remove = gdium_laptop_remove, -+ .shutdown = gdium_laptop_remove, -+ .suspend = gdium_laptop_suspend, -+ .resume = gdium_laptop_resume, -+ .id_table = gdium_id, -+}; -+ -+static int __init gdium_laptop_init(void) -+{ -+ return i2c_add_driver(&gdium_laptop_driver); -+} -+ -+static void __exit gdium_laptop_exit(void) -+{ -+ i2c_del_driver(&gdium_laptop_driver); -+} -+ -+module_init(gdium_laptop_init); -+module_exit(gdium_laptop_exit); -+ -+MODULE_AUTHOR("Arnaud Patard "); -+MODULE_DESCRIPTION("Gdium laptop extras"); -+MODULE_LICENSE("GPL"); -diff --git a/drivers/platform/mips/lynloong_pc.c b/drivers/platform/mips/lynloong_pc.c -new file mode 100644 -index 0000000..68f29e4 ---- /dev/null -+++ b/drivers/platform/mips/lynloong_pc.c -@@ -0,0 +1,515 @@ -+/* -+ * Driver for LynLoong PC extras -+ * -+ * Copyright (C) 2009 Lemote Inc. -+ * Author: Wu Zhangjin , Xiang Yu -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include -+#include -+#include -+#include /* for backlight subdriver */ -+#include -+#include /* for video output subdriver */ -+#include /* for suspend support */ -+ -+#include -+#include -+ -+#include -+ -+static u32 gpio_base, mfgpt_base; -+ -+static void set_gpio_reg_high(int gpio, int reg) -+{ -+ u32 val; -+ -+ val = inl(gpio_base + reg); -+ val |= (1 << gpio); -+ val &= ~(1 << (16 + gpio)); -+ outl(val, gpio_base + reg); -+ mmiowb(); -+} -+ -+static void set_gpio_reg_low(int gpio, int reg) -+{ -+ u32 val; -+ -+ val = inl(gpio_base + reg); -+ val |= (1 << (16 + gpio)); -+ val &= ~(1 << gpio); -+ outl(val, gpio_base + reg); -+ mmiowb(); -+} -+ -+static void set_gpio_output_low(int gpio) -+{ -+ set_gpio_reg_high(gpio, GPIOL_OUT_EN); -+ set_gpio_reg_low(gpio, GPIOL_OUT_VAL); -+} -+ -+static void set_gpio_output_high(int gpio) -+{ -+ set_gpio_reg_high(gpio, GPIOL_OUT_EN); -+ set_gpio_reg_high(gpio, GPIOL_OUT_VAL); -+} -+ -+/* backlight subdriver */ -+ -+#define MAX_BRIGHTNESS 100 -+#define DEFAULT_BRIGHTNESS 50 -+#define MIN_BRIGHTNESS 0 -+static unsigned int level; -+ -+DEFINE_SPINLOCK(backlight_lock); -+/* Tune the brightness */ -+static void setup_mfgpt2(void) -+{ -+ unsigned long flags; -+ -+ spin_lock_irqsave(&backlight_lock, flags); -+ -+ /* Set MFGPT2 comparator 1,2 */ -+ outw(MAX_BRIGHTNESS-level, MFGPT2_CMP1); -+ outw(MAX_BRIGHTNESS, MFGPT2_CMP2); -+ /* Clear MFGPT2 UP COUNTER */ -+ outw(0, MFGPT2_CNT); -+ /* Enable counter, compare mode, 32k */ -+ outw(0x8280, MFGPT2_SETUP); -+ -+ spin_unlock_irqrestore(&backlight_lock, flags); -+} -+ -+static int lynloong_set_brightness(struct backlight_device *bd) -+{ -+ level = (bd->props.fb_blank == FB_BLANK_UNBLANK && -+ bd->props.power == FB_BLANK_UNBLANK) ? -+ bd->props.brightness : 0; -+ -+ if (level > MAX_BRIGHTNESS) -+ level = MAX_BRIGHTNESS; -+ else if (level < MIN_BRIGHTNESS) -+ level = MIN_BRIGHTNESS; -+ -+ setup_mfgpt2(); -+ -+ return 0; -+} -+ -+static int lynloong_get_brightness(struct backlight_device *bd) -+{ -+ return level; -+} -+ -+static struct backlight_ops backlight_ops = { -+ .get_brightness = lynloong_get_brightness, -+ .update_status = lynloong_set_brightness, -+}; -+ -+static struct backlight_device *lynloong_backlight_dev; -+ -+static int lynloong_backlight_init(void) -+{ -+ int ret; -+ u32 hi; -+ struct backlight_properties props; -+ -+ /* Get gpio_base */ -+ _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_GPIO), &hi, &gpio_base); -+ /* Get mfgpt_base */ -+ _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_MFGPT), &hi, &mfgpt_base); -+ /* Get gpio_base */ -+ _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_GPIO), &hi, &gpio_base); -+ -+ /* Select for mfgpt */ -+ set_gpio_reg_high(7, GPIOL_OUT_AUX1_SEL); -+ /* Enable brightness controlling */ -+ set_gpio_output_high(7); -+ -+ memset(&props, 0, sizeof(struct backlight_properties)); -+ props.max_brightness = MAX_BRIGHTNESS; -+ props.type = BACKLIGHT_PLATFORM; -+ lynloong_backlight_dev = backlight_device_register("backlight0", NULL, -+ NULL, &backlight_ops, &props); -+ -+ if (IS_ERR(lynloong_backlight_dev)) { -+ ret = PTR_ERR(lynloong_backlight_dev); -+ return ret; -+ } -+ -+ lynloong_backlight_dev->props.brightness = DEFAULT_BRIGHTNESS; -+ backlight_update_status(lynloong_backlight_dev); -+ -+ return 0; -+} -+ -+static void lynloong_backlight_exit(void) -+{ -+ if (lynloong_backlight_dev) { -+ backlight_device_unregister(lynloong_backlight_dev); -+ lynloong_backlight_dev = NULL; -+ } -+ /* Disable brightness controlling */ -+ set_gpio_output_low(7); -+} -+ -+/* video output driver */ -+static int vo_status = 1; -+ -+static int lcd_video_output_get(struct output_device *od) -+{ -+ return vo_status; -+} -+ -+static int lcd_video_output_set(struct output_device *od) -+{ -+ int i; -+ unsigned long status; -+ -+ status = !!od->request_state; -+ -+ if (status == 0) { -+ /* Set the current status as off */ -+ vo_status = 0; -+ /* Turn off the backlight */ -+ set_gpio_output_low(11); -+ for (i = 0; i < 0x500; i++) -+ delay(); -+ /* Turn off the LCD */ -+ set_gpio_output_high(8); -+ } else { -+ /* Turn on the LCD */ -+ set_gpio_output_low(8); -+ for (i = 0; i < 0x500; i++) -+ delay(); -+ /* Turn on the backlight */ -+ set_gpio_output_high(11); -+ /* Set the current status as on */ -+ vo_status = 1; -+ } -+ -+ return 0; -+} -+ -+static struct output_properties lcd_output_properties = { -+ .set_state = lcd_video_output_set, -+ .get_status = lcd_video_output_get, -+}; -+ -+static struct output_device *lcd_output_dev; -+ -+static void lynloong_lcd_vo_set(int status) -+{ -+ lcd_output_dev->request_state = status; -+ lcd_video_output_set(lcd_output_dev); -+} -+ -+static int lynloong_vo_init(void) -+{ -+ int ret; -+ -+ /* Register video output device: lcd */ -+ lcd_output_dev = video_output_register("LCD", NULL, NULL, -+ &lcd_output_properties); -+ -+ if (IS_ERR(lcd_output_dev)) { -+ ret = PTR_ERR(lcd_output_dev); -+ lcd_output_dev = NULL; -+ return ret; -+ } -+ /* Ensure LCD is on by default */ -+ lynloong_lcd_vo_set(1); -+ -+ return 0; -+} -+ -+static void lynloong_vo_exit(void) -+{ -+ if (lcd_output_dev) { -+ video_output_unregister(lcd_output_dev); -+ lcd_output_dev = NULL; -+ } -+} -+ -+/* suspend support */ -+ -+#ifdef CONFIG_PM -+ -+static u32 smb_base; -+ -+/* I2C operations */ -+ -+static int i2c_wait(void) -+{ -+ char c; -+ int i; -+ -+ udelay(1000); -+ for (i = 0; i < 20; i++) { -+ c = inb(smb_base | SMB_STS); -+ if (c & (SMB_STS_BER | SMB_STS_NEGACK)) -+ return -1; -+ if (c & SMB_STS_SDAST) -+ return 0; -+ udelay(100); -+ } -+ return -2; -+} -+ -+static void i2c_read_single(int addr, int regNo, char *value) -+{ -+ unsigned char c; -+ -+ /* Start condition */ -+ c = inb(smb_base | SMB_CTRL1); -+ outb(c | SMB_CTRL1_START, smb_base | SMB_CTRL1); -+ i2c_wait(); -+ -+ /* Send slave address */ -+ outb(addr & 0xfe, smb_base | SMB_SDA); -+ i2c_wait(); -+ -+ /* Acknowledge smbus */ -+ c = inb(smb_base | SMB_CTRL1); -+ outb(c | SMB_CTRL1_ACK, smb_base | SMB_CTRL1); -+ -+ /* Send register index */ -+ outb(regNo, smb_base | SMB_SDA); -+ i2c_wait(); -+ -+ /* Acknowledge smbus */ -+ c = inb(smb_base | SMB_CTRL1); -+ outb(c | SMB_CTRL1_ACK, smb_base | SMB_CTRL1); -+ -+ /* Start condition again */ -+ c = inb(smb_base | SMB_CTRL1); -+ outb(c | SMB_CTRL1_START, smb_base | SMB_CTRL1); -+ i2c_wait(); -+ -+ /* Send salve address again */ -+ outb(1 | addr, smb_base | SMB_SDA); -+ i2c_wait(); -+ -+ /* Acknowledge smbus */ -+ c = inb(smb_base | SMB_CTRL1); -+ outb(c | SMB_CTRL1_ACK, smb_base | SMB_CTRL1); -+ -+ /* Read data */ -+ *value = inb(smb_base | SMB_SDA); -+ -+ /* Stop condition */ -+ outb(SMB_CTRL1_STOP, smb_base | SMB_CTRL1); -+ i2c_wait(); -+} -+ -+static void i2c_write_single(int addr, int regNo, char value) -+{ -+ unsigned char c; -+ -+ /* Start condition */ -+ c = inb(smb_base | SMB_CTRL1); -+ outb(c | SMB_CTRL1_START, smb_base | SMB_CTRL1); -+ i2c_wait(); -+ /* Send slave address */ -+ outb(addr & 0xfe, smb_base | SMB_SDA); -+ i2c_wait();; -+ -+ /* Send register index */ -+ outb(regNo, smb_base | SMB_SDA); -+ i2c_wait(); -+ -+ /* Write data */ -+ outb(value, smb_base | SMB_SDA); -+ i2c_wait(); -+ /* Stop condition */ -+ outb(SMB_CTRL1_STOP, smb_base | SMB_CTRL1); -+ i2c_wait(); -+} -+ -+static void stop_clock(int clk_reg, int clk_sel) -+{ -+ u8 value; -+ -+ i2c_read_single(0xd3, clk_reg, &value); -+ value &= ~(1 << clk_sel); -+ i2c_write_single(0xd2, clk_reg, value); -+} -+ -+static void enable_clock(int clk_reg, int clk_sel) -+{ -+ u8 value; -+ -+ i2c_read_single(0xd3, clk_reg, &value); -+ value |= (1 << clk_sel); -+ i2c_write_single(0xd2, clk_reg, value); -+} -+ -+static char cached_clk_freq; -+static char cached_pci_fixed_freq; -+ -+static void decrease_clk_freq(void) -+{ -+ char value; -+ -+ i2c_read_single(0xd3, 1, &value); -+ cached_clk_freq = value; -+ -+ /* Select frequency by software */ -+ value |= (1 << 1); -+ /* CPU, 3V66, PCI : 100, 66, 33(1) */ -+ value |= (1 << 2); -+ i2c_write_single(0xd2, 1, value); -+ -+ /* Cache the pci frequency */ -+ i2c_read_single(0xd3, 14, &value); -+ cached_pci_fixed_freq = value; -+ -+ /* Enable PCI fix mode */ -+ value |= (1 << 5); -+ /* 3V66, PCI : 64MHz, 32MHz */ -+ value |= (1 << 3); -+ i2c_write_single(0xd2, 14, value); -+ -+} -+ -+static void resume_clk_freq(void) -+{ -+ i2c_write_single(0xd2, 1, cached_clk_freq); -+ i2c_write_single(0xd2, 14, cached_pci_fixed_freq); -+} -+ -+static void stop_clocks(void) -+{ -+ /* CPU Clock Register */ -+ stop_clock(2, 5); /* not used */ -+ stop_clock(2, 6); /* not used */ -+ stop_clock(2, 7); /* not used */ -+ -+ /* PCI Clock Register */ -+ stop_clock(3, 1); /* 8100 */ -+ stop_clock(3, 5); /* SIS */ -+ stop_clock(3, 0); /* not used */ -+ stop_clock(3, 6); /* not used */ -+ -+ /* PCI 48M Clock Register */ -+ stop_clock(4, 6); /* USB grounding */ -+ stop_clock(4, 5); /* REF(5536_14M) */ -+ -+ /* 3V66 Control Register */ -+ stop_clock(5, 0); /* VCH_CLK..., grounding */ -+} -+ -+static void enable_clocks(void) -+{ -+ enable_clock(3, 1); /* 8100 */ -+ enable_clock(3, 5); /* SIS */ -+ -+ enable_clock(4, 6); -+ enable_clock(4, 5); /* REF(5536_14M) */ -+ -+ enable_clock(5, 0); /* VCH_CLOCK, grounding */ -+} -+ -+static int lynloong_suspend(struct device *dev) -+{ -+ /* Disable AMP */ -+ set_gpio_output_high(6); -+ /* Turn off LCD */ -+ lynloong_lcd_vo_set(0); -+ -+ /* Stop the clocks of some devices */ -+ stop_clocks(); -+ -+ /* Decrease the external clock frequency */ -+ decrease_clk_freq(); -+ -+ return 0; -+} -+ -+static int lynloong_resume(struct device *dev) -+{ -+ /* Turn on the LCD */ -+ lynloong_lcd_vo_set(1); -+ -+ /* Resume clock frequency, enable the relative clocks */ -+ resume_clk_freq(); -+ enable_clocks(); -+ -+ /* Enable AMP */ -+ set_gpio_output_low(6); -+ -+ return 0; -+} -+ -+static const SIMPLE_DEV_PM_OPS(lynloong_pm_ops, lynloong_suspend, -+ lynloong_resume); -+#endif /* !CONFIG_PM */ -+ -+static struct platform_device_id platform_device_ids[] = { -+ { -+ .name = "lynloong_pc", -+ }, -+ {} -+}; -+ -+MODULE_DEVICE_TABLE(platform, platform_device_ids); -+ -+static struct platform_driver platform_driver = { -+ .driver = { -+ .name = "lynloong_pc", -+ .owner = THIS_MODULE, -+#ifdef CONFIG_PM -+ .pm = &lynloong_pm_ops, -+#endif -+ }, -+ .id_table = platform_device_ids, -+}; -+ -+static int __init lynloong_init(void) -+{ -+ int ret; -+ -+ pr_info("LynLoong platform specific driver loaded.\n"); -+ -+ /* Register platform stuff */ -+ ret = platform_driver_register(&platform_driver); -+ if (ret) { -+ pr_err("Failed to register LynLoong platform driver.\n"); -+ return ret; -+ } -+ -+ ret = lynloong_backlight_init(); -+ if (ret) { -+ pr_err("Failed to register LynLoong backlight driver.\n"); -+ return ret; -+ } -+ -+ ret = lynloong_vo_init(); -+ if (ret) { -+ pr_err("Failed to register LynLoong backlight driver.\n"); -+ lynloong_vo_exit(); -+ return ret; -+ } -+ -+ return 0; -+} -+ -+static void __exit lynloong_exit(void) -+{ -+ lynloong_vo_exit(); -+ lynloong_backlight_exit(); -+ platform_driver_unregister(&platform_driver); -+ -+ pr_info("LynLoong platform specific driver unloaded.\n"); -+} -+ -+module_init(lynloong_init); -+module_exit(lynloong_exit); -+ -+MODULE_AUTHOR("Wu Zhangjin ; Xiang Yu "); -+MODULE_DESCRIPTION("LynLoong PC driver"); -+MODULE_LICENSE("GPL"); -diff --git a/drivers/platform/mips/yeeloong_ecrom.c b/drivers/platform/mips/yeeloong_ecrom.c -new file mode 100644 -index 0000000..1bfe4cf ---- /dev/null -+++ b/drivers/platform/mips/yeeloong_ecrom.c -@@ -0,0 +1,944 @@ -+/* -+ * Driver for flushing/dumping ROM of EC on YeeLoong laptop -+ * -+ * Copyright (C) 2009 Lemote Inc. -+ * Author: liujl -+ * -+ * NOTE : -+ * The EC resources accessing and programming are supported. -+ */ -+ -+#include -+#include -+#include -+#include -+#include -+ -+#include -+ -+#define EC_MISC_DEV "ec_misc" -+#define EC_IOC_MAGIC 'E' -+ -+/* ec registers range */ -+#define EC_MAX_REGADDR 0xFFFF -+#define EC_MIN_REGADDR 0xF000 -+#define EC_RAM_ADDR 0xF800 -+ -+/* version burned address */ -+#define VER_ADDR 0xf7a1 -+#define VER_MAX_SIZE 7 -+#define EC_ROM_MAX_SIZE 0x10000 -+ -+/* ec internal register */ -+#define REG_POWER_MODE 0xF710 -+#define FLAG_NORMAL_MODE 0x00 -+#define FLAG_IDLE_MODE 0x01 -+#define FLAG_RESET_MODE 0x02 -+ -+/* ec update program flag */ -+#define PROGRAM_FLAG_NONE 0x00 -+#define PROGRAM_FLAG_IE 0x01 -+#define PROGRAM_FLAG_ROM 0x02 -+ -+/* XBI relative registers */ -+#define REG_XBISEG0 0xFEA0 -+#define REG_XBISEG1 0xFEA1 -+#define REG_XBIRSV2 0xFEA2 -+#define REG_XBIRSV3 0xFEA3 -+#define REG_XBIRSV4 0xFEA4 -+#define REG_XBICFG 0xFEA5 -+#define REG_XBICS 0xFEA6 -+#define REG_XBIWE 0xFEA7 -+#define REG_XBISPIA0 0xFEA8 -+#define REG_XBISPIA1 0xFEA9 -+#define REG_XBISPIA2 0xFEAA -+#define REG_XBISPIDAT 0xFEAB -+#define REG_XBISPICMD 0xFEAC -+#define REG_XBISPICFG 0xFEAD -+#define REG_XBISPIDATR 0xFEAE -+#define REG_XBISPICFG2 0xFEAF -+ -+/* commands definition for REG_XBISPICMD */ -+#define SPICMD_WRITE_STATUS 0x01 -+#define SPICMD_BYTE_PROGRAM 0x02 -+#define SPICMD_READ_BYTE 0x03 -+#define SPICMD_WRITE_DISABLE 0x04 -+#define SPICMD_READ_STATUS 0x05 -+#define SPICMD_WRITE_ENABLE 0x06 -+#define SPICMD_HIGH_SPEED_READ 0x0B -+#define SPICMD_POWER_DOWN 0xB9 -+#define SPICMD_SST_EWSR 0x50 -+#define SPICMD_SST_SEC_ERASE 0x20 -+#define SPICMD_SST_BLK_ERASE 0x52 -+#define SPICMD_SST_CHIP_ERASE 0x60 -+#define SPICMD_FRDO 0x3B -+#define SPICMD_SEC_ERASE 0xD7 -+#define SPICMD_BLK_ERASE 0xD8 -+#define SPICMD_CHIP_ERASE 0xC7 -+ -+/* bits definition for REG_XBISPICFG */ -+#define SPICFG_AUTO_CHECK 0x01 -+#define SPICFG_SPI_BUSY 0x02 -+#define SPICFG_DUMMY_READ 0x04 -+#define SPICFG_EN_SPICMD 0x08 -+#define SPICFG_LOW_SPICS 0x10 -+#define SPICFG_EN_SHORT_READ 0x20 -+#define SPICFG_EN_OFFSET_READ 0x40 -+#define SPICFG_EN_FAST_READ 0x80 -+ -+/* watchdog timer registers */ -+#define REG_WDTCFG 0xfe80 -+#define REG_WDTPF 0xfe81 -+#define REG_WDT 0xfe82 -+ -+/* lpc configure register */ -+#define REG_LPCCFG 0xfe95 -+ -+/* 8051 reg */ -+#define REG_PXCFG 0xff14 -+ -+/* Fan register in KB3310 */ -+#define REG_ECFAN_SPEED_LEVEL 0xf4e4 -+#define REG_ECFAN_SWITCH 0xf4d2 -+ -+/* the ec flash rom id number */ -+#define EC_ROM_PRODUCT_ID_SPANSION 0x01 -+#define EC_ROM_PRODUCT_ID_MXIC 0xC2 -+#define EC_ROM_PRODUCT_ID_AMIC 0x37 -+#define EC_ROM_PRODUCT_ID_EONIC 0x1C -+ -+/* misc ioctl operations */ -+#define IOCTL_RDREG _IOR(EC_IOC_MAGIC, 1, int) -+#define IOCTL_WRREG _IOW(EC_IOC_MAGIC, 2, int) -+#define IOCTL_READ_EC _IOR(EC_IOC_MAGIC, 3, int) -+#define IOCTL_PROGRAM_IE _IOW(EC_IOC_MAGIC, 4, int) -+#define IOCTL_PROGRAM_EC _IOW(EC_IOC_MAGIC, 5, int) -+ -+/* start address for programming of EC content or IE */ -+/* ec running code start address */ -+#define EC_START_ADDR 0x00000000 -+/* ec information element storing address */ -+#define IE_START_ADDR 0x00020000 -+ -+/* EC state */ -+#define EC_STATE_IDLE 0x00 /* ec in idle state */ -+#define EC_STATE_BUSY 0x01 /* ec in busy state */ -+ -+/* timeout value for programming */ -+#define EC_FLASH_TIMEOUT 0x1000 /* ec program timeout */ -+/* command checkout timeout including cmd to port or state flag check */ -+#define EC_CMD_TIMEOUT 0x1000 -+#define EC_SPICMD_STANDARD_TIMEOUT (4 * 1000) /* unit : us */ -+#define EC_MAX_DELAY_UNIT (10) /* every time for polling */ -+#define SPI_FINISH_WAIT_TIME 10 -+/* EC content max size */ -+#define EC_CONTENT_MAX_SIZE (64 * 1024) -+#define IE_CONTENT_MAX_SIZE (0x100000 - IE_START_ADDR) -+ -+/* the register operation access struct */ -+struct ec_reg { -+ u32 addr; /* the address of kb3310 registers */ -+ u8 val; /* the register value */ -+}; -+ -+struct ec_info { -+ u32 start_addr; -+ u32 size; -+ u8 *buf; -+}; -+ -+/* open for using rom protection action */ -+#define EC_ROM_PROTECTION -+ -+/* enable the chip reset mode */ -+static int ec_init_reset_mode(void) -+{ -+ int timeout; -+ unsigned char status = 0; -+ int ret = 0; -+ -+ /* make chip goto reset mode */ -+ ret = ec_query_seq(CMD_INIT_RESET_MODE); -+ if (ret < 0) { -+ printk(KERN_ERR "ec init reset mode failed.\n"); -+ goto out; -+ } -+ -+ /* make the action take active */ -+ timeout = EC_CMD_TIMEOUT; -+ status = ec_read(REG_POWER_MODE) & FLAG_RESET_MODE; -+ while (timeout--) { -+ if (status) { -+ udelay(EC_REG_DELAY); -+ break; -+ } -+ status = ec_read(REG_POWER_MODE) & FLAG_RESET_MODE; -+ udelay(EC_REG_DELAY); -+ } -+ if (timeout <= 0) { -+ printk(KERN_ERR "ec rom fixup : can't check reset status.\n"); -+ ret = -EINVAL; -+ } else -+ printk(KERN_INFO "(%d/%d)reset 0xf710 : 0x%x\n", timeout, -+ EC_CMD_TIMEOUT - timeout, status); -+ -+ /* set MCU to reset mode */ -+ udelay(EC_REG_DELAY); -+ status = ec_read(REG_PXCFG); -+ status |= (1 << 0); -+ ec_write(REG_PXCFG, status); -+ udelay(EC_REG_DELAY); -+ -+ /* disable FWH/LPC */ -+ udelay(EC_REG_DELAY); -+ status = ec_read(REG_LPCCFG); -+ status &= ~(1 << 7); -+ ec_write(REG_LPCCFG, status); -+ udelay(EC_REG_DELAY); -+ -+ printk(KERN_INFO "entering reset mode ok..............\n"); -+ -+ out: -+ return ret; -+} -+ -+/* make ec exit from reset mode */ -+static void ec_exit_reset_mode(void) -+{ -+ unsigned char regval; -+ -+ udelay(EC_REG_DELAY); -+ regval = ec_read(REG_LPCCFG); -+ regval |= (1 << 7); -+ ec_write(REG_LPCCFG, regval); -+ regval = ec_read(REG_PXCFG); -+ regval &= ~(1 << 0); -+ ec_write(REG_PXCFG, regval); -+ printk(KERN_INFO "exit reset mode ok..................\n"); -+ -+ return; -+} -+ -+/* make ec disable WDD */ -+static void ec_disable_WDD(void) -+{ -+ unsigned char status; -+ -+ udelay(EC_REG_DELAY); -+ status = ec_read(REG_WDTCFG); -+ ec_write(REG_WDTPF, 0x03); -+ ec_write(REG_WDTCFG, (status & 0x80) | 0x48); -+ printk(KERN_INFO "Disable WDD ok..................\n"); -+ -+ return; -+} -+ -+/* make ec enable WDD */ -+static void ec_enable_WDD(void) -+{ -+ unsigned char status; -+ -+ udelay(EC_REG_DELAY); -+ status = ec_read(REG_WDTCFG); -+ ec_write(REG_WDT, 0x28); /* set WDT 5sec(0x28) */ -+ ec_write(REG_WDTCFG, (status & 0x80) | 0x03); -+ printk(KERN_INFO "Enable WDD ok..................\n"); -+ -+ return; -+} -+ -+/* make ec goto idle mode */ -+static int ec_init_idle_mode(void) -+{ -+ int timeout; -+ unsigned char status = 0; -+ int ret = 0; -+ -+ ec_query_seq(CMD_INIT_IDLE_MODE); -+ -+ /* make the action take active */ -+ timeout = EC_CMD_TIMEOUT; -+ status = ec_read(REG_POWER_MODE) & FLAG_IDLE_MODE; -+ while (timeout--) { -+ if (status) { -+ udelay(EC_REG_DELAY); -+ break; -+ } -+ status = ec_read(REG_POWER_MODE) & FLAG_IDLE_MODE; -+ udelay(EC_REG_DELAY); -+ } -+ if (timeout <= 0) { -+ printk(KERN_ERR "ec rom fixup : can't check out the status.\n"); -+ ret = -EINVAL; -+ } else -+ printk(KERN_INFO "(%d/%d)0xf710 : 0x%x\n", timeout, -+ EC_CMD_TIMEOUT - timeout, ec_read(REG_POWER_MODE)); -+ -+ printk(KERN_INFO "entering idle mode ok...................\n"); -+ -+ return ret; -+} -+ -+/* make ec exit from idle mode */ -+static int ec_exit_idle_mode(void) -+{ -+ -+ ec_query_seq(CMD_EXIT_IDLE_MODE); -+ -+ printk(KERN_INFO "exit idle mode ok...................\n"); -+ -+ return 0; -+} -+ -+static int ec_instruction_cycle(void) -+{ -+ unsigned long timeout; -+ int ret = 0; -+ -+ timeout = EC_FLASH_TIMEOUT; -+ while (timeout-- >= 0) { -+ if (!(ec_read(REG_XBISPICFG) & SPICFG_SPI_BUSY)) -+ break; -+ } -+ if (timeout <= 0) { -+ printk(KERN_ERR -+ "EC_INSTRUCTION_CYCLE : timeout for check flag.\n"); -+ ret = -EINVAL; -+ goto out; -+ } -+ -+ out: -+ return ret; -+} -+ -+/* To see if the ec is in busy state or not. */ -+static inline int ec_flash_busy(unsigned long timeout) -+{ -+ /* assurance the first command be going to rom */ -+ if (ec_instruction_cycle() < 0) -+ return EC_STATE_BUSY; -+#if 1 -+ timeout = timeout / EC_MAX_DELAY_UNIT; -+ while (timeout-- > 0) { -+ /* check the rom's status of busy flag */ -+ ec_write(REG_XBISPICMD, SPICMD_READ_STATUS); -+ if (ec_instruction_cycle() < 0) -+ return EC_STATE_BUSY; -+ if ((ec_read(REG_XBISPIDAT) & 0x01) == 0x00) -+ return EC_STATE_IDLE; -+ udelay(EC_MAX_DELAY_UNIT); -+ } -+ if (timeout <= 0) { -+ printk(KERN_ERR -+ "EC_FLASH_BUSY : timeout for check rom flag.\n"); -+ return EC_STATE_BUSY; -+ } -+#else -+ /* check the rom's status of busy flag */ -+ ec_write(REG_XBISPICMD, SPICMD_READ_STATUS); -+ if (ec_instruction_cycle() < 0) -+ return EC_STATE_BUSY; -+ -+ timeout = timeout / EC_MAX_DELAY_UNIT; -+ while (timeout-- > 0) { -+ if ((ec_read(REG_XBISPIDAT) & 0x01) == 0x00) -+ return EC_STATE_IDLE; -+ udelay(EC_MAX_DELAY_UNIT); -+ } -+ if (timeout <= 0) { -+ printk(KERN_ERR -+ "EC_FLASH_BUSY : timeout for check rom flag.\n"); -+ return EC_STATE_BUSY; -+ } -+#endif -+ -+ return EC_STATE_IDLE; -+} -+ -+static int rom_instruction_cycle(unsigned char cmd) -+{ -+ unsigned long timeout = 0; -+ -+ switch (cmd) { -+ case SPICMD_READ_STATUS: -+ case SPICMD_WRITE_ENABLE: -+ case SPICMD_WRITE_DISABLE: -+ case SPICMD_READ_BYTE: -+ case SPICMD_HIGH_SPEED_READ: -+ timeout = 0; -+ break; -+ case SPICMD_WRITE_STATUS: -+ timeout = 300 * 1000; -+ break; -+ case SPICMD_BYTE_PROGRAM: -+ timeout = 5 * 1000; -+ break; -+ case SPICMD_SST_SEC_ERASE: -+ case SPICMD_SEC_ERASE: -+ timeout = 1000 * 1000; -+ break; -+ case SPICMD_SST_BLK_ERASE: -+ case SPICMD_BLK_ERASE: -+ timeout = 3 * 1000 * 1000; -+ break; -+ case SPICMD_SST_CHIP_ERASE: -+ case SPICMD_CHIP_ERASE: -+ timeout = 20 * 1000 * 1000; -+ break; -+ default: -+ timeout = EC_SPICMD_STANDARD_TIMEOUT; -+ } -+ if (timeout == 0) -+ return ec_instruction_cycle(); -+ if (timeout < EC_SPICMD_STANDARD_TIMEOUT) -+ timeout = EC_SPICMD_STANDARD_TIMEOUT; -+ -+ return ec_flash_busy(timeout); -+} -+ -+/* delay for start/stop action */ -+static void delay_spi(int n) -+{ -+ while (n--) -+ inb(EC_IO_PORT_HIGH); -+} -+ -+/* start the action to spi rom function */ -+static void ec_start_spi(void) -+{ -+ unsigned char val; -+ -+ delay_spi(SPI_FINISH_WAIT_TIME); -+ val = ec_read(REG_XBISPICFG) | SPICFG_EN_SPICMD | SPICFG_AUTO_CHECK; -+ ec_write(REG_XBISPICFG, val); -+ delay_spi(SPI_FINISH_WAIT_TIME); -+} -+ -+/* stop the action to spi rom function */ -+static void ec_stop_spi(void) -+{ -+ unsigned char val; -+ -+ delay_spi(SPI_FINISH_WAIT_TIME); -+ val = -+ ec_read(REG_XBISPICFG) & (~(SPICFG_EN_SPICMD | SPICFG_AUTO_CHECK)); -+ ec_write(REG_XBISPICFG, val); -+ delay_spi(SPI_FINISH_WAIT_TIME); -+} -+ -+/* read one byte from xbi interface */ -+static int ec_read_byte(unsigned int addr, unsigned char *byte) -+{ -+ int ret = 0; -+ -+ /* enable spicmd writing. */ -+ ec_start_spi(); -+ -+ /* enable write spi flash */ -+ ec_write(REG_XBISPICMD, SPICMD_WRITE_ENABLE); -+ if (rom_instruction_cycle(SPICMD_WRITE_ENABLE) == EC_STATE_BUSY) { -+ printk(KERN_ERR "EC_READ_BYTE : SPICMD_WRITE_ENABLE failed.\n"); -+ ret = -EINVAL; -+ goto out; -+ } -+ -+ /* write the address */ -+ ec_write(REG_XBISPIA2, (addr & 0xff0000) >> 16); -+ ec_write(REG_XBISPIA1, (addr & 0x00ff00) >> 8); -+ ec_write(REG_XBISPIA0, (addr & 0x0000ff) >> 0); -+ /* start action */ -+ ec_write(REG_XBISPICMD, SPICMD_HIGH_SPEED_READ); -+ if (rom_instruction_cycle(SPICMD_HIGH_SPEED_READ) == EC_STATE_BUSY) { -+ printk(KERN_ERR -+ "EC_READ_BYTE : SPICMD_HIGH_SPEED_READ failed.\n"); -+ ret = -EINVAL; -+ goto out; -+ } -+ -+ *byte = ec_read(REG_XBISPIDAT); -+ -+ out: -+ /* disable spicmd writing. */ -+ ec_stop_spi(); -+ -+ return ret; -+} -+ -+/* write one byte to ec rom */ -+static int ec_write_byte(unsigned int addr, unsigned char byte) -+{ -+ int ret = 0; -+ -+ /* enable spicmd writing. */ -+ ec_start_spi(); -+ -+ /* enable write spi flash */ -+ ec_write(REG_XBISPICMD, SPICMD_WRITE_ENABLE); -+ if (rom_instruction_cycle(SPICMD_WRITE_ENABLE) == EC_STATE_BUSY) { -+ printk(KERN_ERR -+ "EC_WRITE_BYTE : SPICMD_WRITE_ENABLE failed.\n"); -+ ret = -EINVAL; -+ goto out; -+ } -+ -+ /* write the address */ -+ ec_write(REG_XBISPIA2, (addr & 0xff0000) >> 16); -+ ec_write(REG_XBISPIA1, (addr & 0x00ff00) >> 8); -+ ec_write(REG_XBISPIA0, (addr & 0x0000ff) >> 0); -+ ec_write(REG_XBISPIDAT, byte); -+ /* start action */ -+ ec_write(REG_XBISPICMD, SPICMD_BYTE_PROGRAM); -+ if (rom_instruction_cycle(SPICMD_BYTE_PROGRAM) == EC_STATE_BUSY) { -+ printk(KERN_ERR -+ "EC_WRITE_BYTE : SPICMD_BYTE_PROGRAM failed.\n"); -+ ret = -EINVAL; -+ goto out; -+ } -+ -+ out: -+ /* disable spicmd writing. */ -+ ec_stop_spi(); -+ -+ return ret; -+} -+ -+/* unprotect SPI ROM */ -+/* EC_ROM_unprotect function code */ -+static int EC_ROM_unprotect(void) -+{ -+ unsigned char status; -+ -+ /* enable write spi flash */ -+ ec_write(REG_XBISPICMD, SPICMD_WRITE_ENABLE); -+ if (rom_instruction_cycle(SPICMD_WRITE_ENABLE) == EC_STATE_BUSY) { -+ printk(KERN_ERR -+ "EC_UNIT_ERASE : SPICMD_WRITE_ENABLE failed.\n"); -+ return 1; -+ } -+ -+ /* unprotect the status register of rom */ -+ ec_write(REG_XBISPICMD, SPICMD_READ_STATUS); -+ if (rom_instruction_cycle(SPICMD_READ_STATUS) == EC_STATE_BUSY) { -+ printk(KERN_ERR "EC_UNIT_ERASE : SPICMD_READ_STATUS failed.\n"); -+ return 1; -+ } -+ status = ec_read(REG_XBISPIDAT); -+ ec_write(REG_XBISPIDAT, status & 0x02); -+ if (ec_instruction_cycle() < 0) { -+ printk(KERN_ERR "EC_UNIT_ERASE : write status value failed.\n"); -+ return 1; -+ } -+ -+ ec_write(REG_XBISPICMD, SPICMD_WRITE_STATUS); -+ if (rom_instruction_cycle(SPICMD_WRITE_STATUS) == EC_STATE_BUSY) { -+ printk(KERN_ERR -+ "EC_UNIT_ERASE : SPICMD_WRITE_STATUS failed.\n"); -+ return 1; -+ } -+ -+ /* enable write spi flash */ -+ ec_write(REG_XBISPICMD, SPICMD_WRITE_ENABLE); -+ if (rom_instruction_cycle(SPICMD_WRITE_ENABLE) == EC_STATE_BUSY) { -+ printk(KERN_ERR -+ "EC_UNIT_ERASE : SPICMD_WRITE_ENABLE failed.\n"); -+ return 1; -+ } -+ -+ return 0; -+} -+ -+/* erase one block or chip or sector as needed */ -+static int ec_unit_erase(unsigned char erase_cmd, unsigned int addr) -+{ -+ unsigned char status; -+ int ret = 0, i = 0; -+ int unprotect_count = 3; -+ int check_flag = 0; -+ -+ /* enable spicmd writing. */ -+ ec_start_spi(); -+ -+#ifdef EC_ROM_PROTECTION -+ /* added for re-check SPICMD_READ_STATUS */ -+ while (unprotect_count-- > 0) { -+ if (EC_ROM_unprotect()) { -+ ret = -EINVAL; -+ goto out; -+ } -+ -+ /* first time:500ms --> 5.5sec -->10.5sec */ -+ for (i = 0; i < ((2 - unprotect_count) * 100 + 10); i++) -+ udelay(50000); -+ ec_write(REG_XBISPICMD, SPICMD_READ_STATUS); -+ if (rom_instruction_cycle(SPICMD_READ_STATUS) -+ == EC_STATE_BUSY) { -+ printk(KERN_ERR -+ "EC_PROGRAM_ROM : SPICMD_READ_STATUS failed.\n"); -+ } else { -+ status = ec_read(REG_XBISPIDAT); -+ printk(KERN_INFO "Read unprotect status : 0x%x\n", -+ status); -+ if ((status & 0x1C) == 0x00) { -+ printk(KERN_INFO -+ "Read unprotect status OK1 : 0x%x\n", -+ status & 0x1C); -+ check_flag = 1; -+ break; -+ } -+ } -+ } -+ -+ if (!check_flag) { -+ printk(KERN_INFO "SPI ROM unprotect fail.\n"); -+ return 1; -+ } -+#endif -+ -+ /* block address fill */ -+ if (erase_cmd == SPICMD_BLK_ERASE) { -+ ec_write(REG_XBISPIA2, (addr & 0x00ff0000) >> 16); -+ ec_write(REG_XBISPIA1, (addr & 0x0000ff00) >> 8); -+ ec_write(REG_XBISPIA0, (addr & 0x000000ff) >> 0); -+ } -+ -+ /* erase the whole chip first */ -+ ec_write(REG_XBISPICMD, erase_cmd); -+ if (rom_instruction_cycle(erase_cmd) == EC_STATE_BUSY) { -+ printk(KERN_ERR "EC_UNIT_ERASE : erase failed.\n"); -+ ret = -EINVAL; -+ goto out; -+ } -+ -+ out: -+ /* disable spicmd writing. */ -+ ec_stop_spi(); -+ -+ return ret; -+} -+ -+/* update the whole rom content with H/W mode -+ * PLEASE USING ec_unit_erase() FIRSTLY -+ */ -+static int ec_program_rom(struct ec_info *info, int flag) -+{ -+ unsigned int addr = 0; -+ unsigned long size = 0; -+ unsigned char *ptr = NULL; -+ unsigned char data; -+ unsigned char val = 0; -+ int ret = 0; -+ int i, j; -+ unsigned char status; -+ -+ /* modify for program serial No. -+ * set IE_START_ADDR & use idle mode, -+ * disable WDD -+ */ -+ if (flag == PROGRAM_FLAG_ROM) { -+ ret = ec_init_reset_mode(); -+ addr = info->start_addr + EC_START_ADDR; -+ printk(KERN_INFO "PROGRAM_FLAG_ROM..............\n"); -+ } else if (flag == PROGRAM_FLAG_IE) { -+ ret = ec_init_idle_mode(); -+ ec_disable_WDD(); -+ addr = info->start_addr + IE_START_ADDR; -+ printk(KERN_INFO "PROGRAM_FLAG_IE..............\n"); -+ } else { -+ return 0; -+ } -+ -+ if (ret < 0) { -+ if (flag == PROGRAM_FLAG_IE) -+ ec_enable_WDD(); -+ return ret; -+ } -+ -+ size = info->size; -+ ptr = info->buf; -+ printk(KERN_INFO "starting update ec ROM..............\n"); -+ -+ ret = ec_unit_erase(SPICMD_BLK_ERASE, addr); -+ if (ret) { -+ printk(KERN_ERR "program ec : erase block failed.\n"); -+ goto out; -+ } -+ printk(KERN_ERR "program ec : erase block OK.\n"); -+ -+ i = 0; -+ while (i < size) { -+ data = *(ptr + i); -+ ec_write_byte(addr, data); -+ ec_read_byte(addr, &val); -+ if (val != data) { -+ ec_write_byte(addr, data); -+ ec_read_byte(addr, &val); -+ if (val != data) { -+ printk(KERN_INFO -+ "EC : Second flash program failed at:\t"); -+ printk(KERN_INFO -+ "addr : 0x%x, source : 0x%x, dest: 0x%x\n", -+ addr, data, val); -+ printk(KERN_INFO "This should not happen... STOP\n"); -+ break; -+ } -+ } -+ i++; -+ addr++; -+ } -+ -+#ifdef EC_ROM_PROTECTION -+ /* we should start spi access firstly */ -+ ec_start_spi(); -+ -+ /* enable write spi flash */ -+ ec_write(REG_XBISPICMD, SPICMD_WRITE_ENABLE); -+ if (rom_instruction_cycle(SPICMD_WRITE_ENABLE) == EC_STATE_BUSY) { -+ printk(KERN_ERR -+ "EC_PROGRAM_ROM : SPICMD_WRITE_ENABLE failed.\n"); -+ goto out1; -+ } -+ -+ /* protect the status register of rom */ -+ ec_write(REG_XBISPICMD, SPICMD_READ_STATUS); -+ if (rom_instruction_cycle(SPICMD_READ_STATUS) == EC_STATE_BUSY) { -+ printk(KERN_ERR -+ "EC_PROGRAM_ROM : SPICMD_READ_STATUS failed.\n"); -+ goto out1; -+ } -+ status = ec_read(REG_XBISPIDAT); -+ -+ ec_write(REG_XBISPIDAT, status | 0x1C); -+ if (ec_instruction_cycle() < 0) { -+ printk(KERN_ERR -+ "EC_PROGRAM_ROM : write status value failed.\n"); -+ goto out1; -+ } -+ -+ ec_write(REG_XBISPICMD, SPICMD_WRITE_STATUS); -+ if (rom_instruction_cycle(SPICMD_WRITE_STATUS) == EC_STATE_BUSY) { -+ printk(KERN_ERR -+ "EC_PROGRAM_ROM : SPICMD_WRITE_STATUS failed.\n"); -+ goto out1; -+ } -+#endif -+ -+ /* disable the write action to spi rom */ -+ ec_write(REG_XBISPICMD, SPICMD_WRITE_DISABLE); -+ if (rom_instruction_cycle(SPICMD_WRITE_DISABLE) == EC_STATE_BUSY) { -+ printk(KERN_ERR -+ "EC_PROGRAM_ROM : SPICMD_WRITE_DISABLE failed.\n"); -+ goto out1; -+ } -+ -+ out1: -+ /* we should stop spi access firstly */ -+ ec_stop_spi(); -+ out: -+ /* for security */ -+ for (j = 0; j < 2000; j++) -+ udelay(1000); -+ -+ /* modify for program serial No. -+ * after program No exit idle mode -+ * and enable WDD -+ */ -+ if (flag == PROGRAM_FLAG_ROM) { -+ /* exit from the reset mode */ -+ ec_exit_reset_mode(); -+ } else { -+ /* ec exit from idle mode */ -+ ret = ec_exit_idle_mode(); -+ ec_enable_WDD(); -+ if (ret < 0) -+ return ret; -+ } -+ -+ return 0; -+} -+ -+/* ioctl */ -+static int misc_ioctl(struct inode *inode, struct file *filp, u_int cmd, -+ u_long arg) -+{ -+ struct ec_info ecinfo; -+ void __user *ptr = (void __user *)arg; -+ struct ec_reg *ecreg = (struct ec_reg *)(filp->private_data); -+ int ret = 0; -+ -+ switch (cmd) { -+ case IOCTL_RDREG: -+ ret = copy_from_user(ecreg, ptr, sizeof(struct ec_reg)); -+ if (ret) { -+ printk(KERN_ERR "reg read : copy from user error.\n"); -+ return -EFAULT; -+ } -+ if ((ecreg->addr > EC_MAX_REGADDR) -+ || (ecreg->addr < EC_MIN_REGADDR)) { -+ printk(KERN_ERR -+ "reg read : out of register address range.\n"); -+ return -EINVAL; -+ } -+ ecreg->val = ec_read(ecreg->addr); -+ ret = copy_to_user(ptr, ecreg, sizeof(struct ec_reg)); -+ if (ret) { -+ printk(KERN_ERR "reg read : copy to user error.\n"); -+ return -EFAULT; -+ } -+ break; -+ case IOCTL_WRREG: -+ ret = copy_from_user(ecreg, ptr, sizeof(struct ec_reg)); -+ if (ret) { -+ printk(KERN_ERR "reg write : copy from user error.\n"); -+ return -EFAULT; -+ } -+ if ((ecreg->addr > EC_MAX_REGADDR) -+ || (ecreg->addr < EC_MIN_REGADDR)) { -+ printk(KERN_ERR -+ "reg write : out of register address range.\n"); -+ return -EINVAL; -+ } -+ ec_write(ecreg->addr, ecreg->val); -+ break; -+ case IOCTL_READ_EC: -+ ret = copy_from_user(ecreg, ptr, sizeof(struct ec_reg)); -+ if (ret) { -+ printk(KERN_ERR "spi read : copy from user error.\n"); -+ return -EFAULT; -+ } -+ if ((ecreg->addr > EC_RAM_ADDR) -+ && (ecreg->addr < EC_MAX_REGADDR)) { -+ printk(KERN_ERR -+ "spi read : out of register address range.\n"); -+ return -EINVAL; -+ } -+ ec_read_byte(ecreg->addr, &(ecreg->val)); -+ ret = copy_to_user(ptr, ecreg, sizeof(struct ec_reg)); -+ if (ret) { -+ printk(KERN_ERR "spi read : copy to user error.\n"); -+ return -EFAULT; -+ } -+ break; -+ case IOCTL_PROGRAM_IE: -+ ecinfo.start_addr = EC_START_ADDR; -+ ecinfo.size = EC_CONTENT_MAX_SIZE; -+ ecinfo.buf = (u8 *) kmalloc(ecinfo.size, GFP_KERNEL); -+ if (ecinfo.buf == NULL) { -+ printk(KERN_ERR "program ie : kmalloc failed.\n"); -+ return -ENOMEM; -+ } -+ ret = copy_from_user(ecinfo.buf, (u8 *) ptr, ecinfo.size); -+ if (ret) { -+ printk(KERN_ERR "program ie : copy from user error.\n"); -+ kfree(ecinfo.buf); -+ ecinfo.buf = NULL; -+ return -EFAULT; -+ } -+ -+ /* use ec_program_rom to write serial No */ -+ ec_program_rom(&ecinfo, PROGRAM_FLAG_IE); -+ -+ kfree(ecinfo.buf); -+ ecinfo.buf = NULL; -+ break; -+ case IOCTL_PROGRAM_EC: -+ ecinfo.start_addr = EC_START_ADDR; -+ if (get_user((ecinfo.size), (u32 *) ptr)) { -+ printk(KERN_ERR "program ec : get user error.\n"); -+ return -EFAULT; -+ } -+ if ((ecinfo.size) > EC_CONTENT_MAX_SIZE) { -+ printk(KERN_ERR "program ec : size out of limited.\n"); -+ return -EINVAL; -+ } -+ ecinfo.buf = (u8 *) kmalloc(ecinfo.size, GFP_KERNEL); -+ if (ecinfo.buf == NULL) { -+ printk(KERN_ERR "program ec : kmalloc failed.\n"); -+ return -ENOMEM; -+ } -+ ret = copy_from_user(ecinfo.buf, ((u8 *) ptr + 4), ecinfo.size); -+ if (ret) { -+ printk(KERN_ERR "program ec : copy from user error.\n"); -+ kfree(ecinfo.buf); -+ ecinfo.buf = NULL; -+ return -EFAULT; -+ } -+ -+ ec_program_rom(&ecinfo, PROGRAM_FLAG_ROM); -+ -+ kfree(ecinfo.buf); -+ ecinfo.buf = NULL; -+ break; -+ -+ default: -+ break; -+ } -+ -+ return 0; -+} -+ -+static long misc_compat_ioctl(struct file *file, unsigned int cmd, -+ unsigned long arg) -+{ -+ return misc_ioctl(file->f_dentry->d_inode, file, cmd, arg); -+} -+ -+static int misc_open(struct inode *inode, struct file *filp) -+{ -+ struct ec_reg *ecreg = NULL; -+ ecreg = kmalloc(sizeof(struct ec_reg), GFP_KERNEL); -+ if (ecreg) -+ filp->private_data = ecreg; -+ -+ return ecreg ? 0 : -ENOMEM; -+} -+ -+static int misc_release(struct inode *inode, struct file *filp) -+{ -+ struct ec_reg *ecreg = (struct ec_reg *)(filp->private_data); -+ -+ filp->private_data = NULL; -+ kfree(ecreg); -+ -+ return 0; -+} -+ -+static const struct file_operations ecmisc_fops = { -+ .open = misc_open, -+ .release = misc_release, -+ .read = NULL, -+ .write = NULL, -+#ifdef CONFIG_64BIT -+ .compat_ioctl = misc_compat_ioctl, -+#else -+ .ioctl = misc_ioctl, -+#endif -+}; -+ -+static struct miscdevice ecmisc_device = { -+ .minor = MISC_DYNAMIC_MINOR, -+ .name = EC_MISC_DEV, -+ .fops = &ecmisc_fops -+}; -+ -+static int __init ecmisc_init(void) -+{ -+ int ret; -+ -+ printk(KERN_INFO "EC misc device init.\n"); -+ ret = misc_register(&ecmisc_device); -+ -+ return ret; -+} -+ -+static void __exit ecmisc_exit(void) -+{ -+ printk(KERN_INFO "EC misc device exit.\n"); -+ misc_deregister(&ecmisc_device); -+} -+ -+module_init(ecmisc_init); -+module_exit(ecmisc_exit); -+ -+MODULE_AUTHOR("liujl "); -+MODULE_DESCRIPTION("Driver for flushing/dumping ROM of EC on YeeLoong laptop"); -+MODULE_LICENSE("GPL"); -diff --git a/drivers/platform/mips/yeeloong_laptop.c b/drivers/platform/mips/yeeloong_laptop.c -new file mode 100644 -index 0000000..c285a67 ---- /dev/null -+++ b/drivers/platform/mips/yeeloong_laptop.c -@@ -0,0 +1,1360 @@ -+/* -+ * Driver for YeeLoong laptop extras -+ * -+ * Copyright (C) 2009 Lemote Inc. -+ * Author: Wu Zhangjin , Liu Junliang -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include -+#include -+#include -+#include /* for backlight subdriver */ -+#include -+#include /* for hwmon subdriver */ -+#include -+#include /* for video output subdriver */ -+#include /* for lcd output subdriver */ -+#include /* for hotkey subdriver */ -+#include -+#include -+#include -+#include /* for AC & Battery subdriver */ -+#include /* for register_reboot_notifier */ -+#include /* for register_pm_notifier */ -+ -+#include -+ -+#include /* for loongson_cmdline */ -+#include -+ -+#define ON 1 -+#define OFF 0 -+#define EVENT_START EVENT_LID -+ -+/* common function */ -+#define EC_VER_LEN 64 -+ -+static int ec_version_before(char *version) -+{ -+ char *p, ec_ver[EC_VER_LEN]; -+ -+ p = strstr(loongson_cmdline, "EC_VER="); -+ if (!p) -+ memset(ec_ver, 0, EC_VER_LEN); -+ else { -+ strncpy(ec_ver, p, EC_VER_LEN); -+ p = strstr(ec_ver, " "); -+ if (p) -+ *p = '\0'; -+ } -+ -+ return (strncasecmp(ec_ver, version, 64) < 0); -+} -+ -+/* backlight subdriver */ -+#define MIN_BRIGHTNESS 1 -+#define MAX_BRIGHTNESS 8 -+ -+static int yeeloong_set_brightness(struct backlight_device *bd) -+{ -+ unsigned char level; -+ static unsigned char old_level; -+ -+ level = (bd->props.fb_blank == FB_BLANK_UNBLANK && -+ bd->props.power == FB_BLANK_UNBLANK) ? -+ bd->props.brightness : 0; -+ -+ level = clamp_val(level, MIN_BRIGHTNESS, MAX_BRIGHTNESS); -+ -+ /* Avoid to modify the brightness when EC is tuning it */ -+ if (old_level != level) { -+ if (ec_read(REG_DISPLAY_BRIGHTNESS) == old_level) -+ ec_write(REG_DISPLAY_BRIGHTNESS, level); -+ old_level = level; -+ } -+ -+ return 0; -+} -+ -+static int yeeloong_get_brightness(struct backlight_device *bd) -+{ -+ return ec_read(REG_DISPLAY_BRIGHTNESS); -+} -+ -+static struct backlight_ops backlight_ops = { -+ .get_brightness = yeeloong_get_brightness, -+ .update_status = yeeloong_set_brightness, -+}; -+ -+static struct backlight_device *yeeloong_backlight_dev; -+ -+static int yeeloong_backlight_init(void) -+{ -+ int ret; -+ struct backlight_properties props; -+ -+ memset(&props, 0, sizeof(struct backlight_properties)); -+ props.max_brightness = MAX_BRIGHTNESS; -+ props.type = BACKLIGHT_PLATFORM; -+ yeeloong_backlight_dev = backlight_device_register("backlight0", NULL, -+ NULL, &backlight_ops, &props); -+ -+ if (IS_ERR(yeeloong_backlight_dev)) { -+ ret = PTR_ERR(yeeloong_backlight_dev); -+ yeeloong_backlight_dev = NULL; -+ return ret; -+ } -+ -+ yeeloong_backlight_dev->props.brightness = -+ yeeloong_get_brightness(yeeloong_backlight_dev); -+ backlight_update_status(yeeloong_backlight_dev); -+ -+ return 0; -+} -+ -+static void yeeloong_backlight_exit(void) -+{ -+ if (yeeloong_backlight_dev) { -+ backlight_device_unregister(yeeloong_backlight_dev); -+ yeeloong_backlight_dev = NULL; -+ } -+} -+ -+/* AC & Battery subdriver */ -+ -+static struct power_supply yeeloong_ac, yeeloong_bat; -+ -+#define RET (val->intval) -+ -+#define BAT_CAP_CRITICAL 5 -+#define BAT_CAP_HIGH 95 -+ -+#define get_bat(type) \ -+ ec_read(REG_BAT_##type) -+ -+#define get_bat_l(type) \ -+ ((get_bat(type##_HIGH) << 8) | get_bat(type##_LOW)) -+ -+static int yeeloong_get_ac_props(struct power_supply *psy, -+ enum power_supply_property psp, -+ union power_supply_propval *val) -+{ -+ if (psp == POWER_SUPPLY_PROP_ONLINE) -+ RET = !!(get_bat(POWER) & BIT_BAT_POWER_ACIN); -+ -+ return 0; -+} -+ -+static enum power_supply_property yeeloong_ac_props[] = { -+ POWER_SUPPLY_PROP_ONLINE, -+}; -+ -+static struct power_supply yeeloong_ac = { -+ .name = "yeeloong-ac", -+ .type = POWER_SUPPLY_TYPE_MAINS, -+ .properties = yeeloong_ac_props, -+ .num_properties = ARRAY_SIZE(yeeloong_ac_props), -+ .get_property = yeeloong_get_ac_props, -+}; -+ -+static inline bool is_bat_in(void) -+{ -+ return !!(get_bat(STATUS) & BIT_BAT_STATUS_IN); -+} -+ -+static int get_bat_temp(void) -+{ -+ return get_bat_l(TEMPERATURE) * 10; -+} -+ -+static int get_bat_current(void) -+{ -+ return -(s16)get_bat_l(CURRENT); -+} -+ -+static int get_bat_voltage(void) -+{ -+ return get_bat_l(VOLTAGE); -+} -+ -+static char *get_manufacturer(void) -+{ -+ return (get_bat(VENDOR) == FLAG_BAT_VENDOR_SANYO) ? "SANYO" : "SIMPLO"; -+} -+ -+static int get_relative_cap(void) -+{ -+ /* -+ * When the relative capacity becomes 2, the hardware is observed to -+ * have been turned off forcely. so, we must tune it be suitable to -+ * make the software do related actions. -+ */ -+ int tmp = get_bat_l(RELATIVE_CAP); -+ -+ if (tmp <= (BAT_CAP_CRITICAL * 2)) -+ tmp -= 3; -+ -+ return tmp; -+} -+ -+static int yeeloong_get_bat_props(struct power_supply *psy, -+ enum power_supply_property psp, -+ union power_supply_propval *val) -+{ -+ switch (psp) { -+ /* Fixed information */ -+ case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: -+ /* mV -> µV */ -+ RET = get_bat_l(DESIGN_VOL) * 1000; -+ break; -+ case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: -+ /* mAh->µAh */ -+ RET = get_bat_l(DESIGN_CAP) * 1000; -+ break; -+ case POWER_SUPPLY_PROP_CHARGE_FULL: -+ /* µAh */ -+ RET = get_bat_l(FULLCHG_CAP) * 1000; -+ break; -+ case POWER_SUPPLY_PROP_MANUFACTURER: -+ val->strval = get_manufacturer(); -+ break; -+ /* Dynamic information */ -+ case POWER_SUPPLY_PROP_PRESENT: -+ RET = is_bat_in(); -+ break; -+ case POWER_SUPPLY_PROP_CURRENT_NOW: -+ /* mA -> µA */ -+ RET = is_bat_in() ? get_bat_current() * 1000 : 0; -+ break; -+ case POWER_SUPPLY_PROP_VOLTAGE_NOW: -+ /* mV -> µV */ -+ RET = is_bat_in() ? get_bat_voltage() * 1000 : 0; -+ break; -+ case POWER_SUPPLY_PROP_TEMP: -+ /* Celcius */ -+ RET = is_bat_in() ? get_bat_temp() : 0; -+ break; -+ case POWER_SUPPLY_PROP_CAPACITY: -+ RET = is_bat_in() ? get_relative_cap() : 0; -+ break; -+ case POWER_SUPPLY_PROP_CAPACITY_LEVEL: { -+ int status; -+ -+ if (!is_bat_in()) { -+ RET = POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN; -+ break; -+ } -+ -+ status = get_bat(STATUS); -+ RET = POWER_SUPPLY_CAPACITY_LEVEL_NORMAL; -+ -+ if (unlikely(status & BIT_BAT_STATUS_DESTROY)) { -+ RET = POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN; -+ break; -+ } -+ -+ if (status & BIT_BAT_STATUS_FULL) -+ RET = POWER_SUPPLY_CAPACITY_LEVEL_FULL; -+ else { -+ int curr_cap = get_relative_cap(); -+ -+ if (status & BIT_BAT_STATUS_LOW) { -+ RET = POWER_SUPPLY_CAPACITY_LEVEL_LOW; -+ if (curr_cap <= BAT_CAP_CRITICAL) -+ RET = POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL; -+ } else if (curr_cap >= BAT_CAP_HIGH) -+ RET = POWER_SUPPLY_CAPACITY_LEVEL_HIGH; -+ } -+ } break; -+ case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW: -+ /* seconds */ -+ RET = is_bat_in() ? (get_relative_cap() - 3) * 54 + 142 : 0; -+ break; -+ case POWER_SUPPLY_PROP_STATUS: { -+ int charge = get_bat(CHARGE); -+ -+ RET = POWER_SUPPLY_STATUS_UNKNOWN; -+ if (charge & FLAG_BAT_CHARGE_DISCHARGE) -+ RET = POWER_SUPPLY_STATUS_DISCHARGING; -+ else if (charge & FLAG_BAT_CHARGE_CHARGE) -+ RET = POWER_SUPPLY_STATUS_CHARGING; -+ } break; -+ case POWER_SUPPLY_PROP_HEALTH: { -+ int status; -+ -+ if (!is_bat_in()) { -+ RET = POWER_SUPPLY_HEALTH_UNKNOWN; -+ break; -+ } -+ -+ status = get_bat(STATUS); -+ RET = POWER_SUPPLY_HEALTH_GOOD; -+ -+ if (status & (BIT_BAT_STATUS_DESTROY | -+ BIT_BAT_STATUS_LOW)) -+ RET = POWER_SUPPLY_HEALTH_DEAD; -+ if (get_bat(CHARGE_STATUS) & -+ BIT_BAT_CHARGE_STATUS_OVERTEMP) -+ RET = POWER_SUPPLY_HEALTH_OVERHEAT; -+ } break; -+ case POWER_SUPPLY_PROP_CHARGE_NOW: /* 1/100(%)*1000 µAh */ -+ RET = get_relative_cap() * get_bat_l(FULLCHG_CAP) * 10; -+ break; -+ default: -+ return -EINVAL; -+ } -+ return 0; -+} -+#undef RET -+ -+static enum power_supply_property yeeloong_bat_props[] = { -+ POWER_SUPPLY_PROP_STATUS, -+ POWER_SUPPLY_PROP_PRESENT, -+ POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, -+ POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, -+ POWER_SUPPLY_PROP_CHARGE_FULL, -+ POWER_SUPPLY_PROP_CHARGE_NOW, -+ POWER_SUPPLY_PROP_CURRENT_NOW, -+ POWER_SUPPLY_PROP_VOLTAGE_NOW, -+ POWER_SUPPLY_PROP_HEALTH, -+ POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW, -+ POWER_SUPPLY_PROP_CAPACITY, -+ POWER_SUPPLY_PROP_CAPACITY_LEVEL, -+ POWER_SUPPLY_PROP_TEMP, -+ POWER_SUPPLY_PROP_MANUFACTURER, -+}; -+ -+static struct power_supply yeeloong_bat = { -+ .name = "yeeloong-bat", -+ .type = POWER_SUPPLY_TYPE_BATTERY, -+ .properties = yeeloong_bat_props, -+ .num_properties = ARRAY_SIZE(yeeloong_bat_props), -+ .get_property = yeeloong_get_bat_props, -+}; -+ -+static int ac_bat_initialized; -+ -+static int yeeloong_bat_init(void) -+{ -+ int ret; -+ -+ ret = power_supply_register(NULL, &yeeloong_ac); -+ if (ret) -+ return ret; -+ ret = power_supply_register(NULL, &yeeloong_bat); -+ if (ret) { -+ power_supply_unregister(&yeeloong_ac); -+ return ret; -+ } -+ ac_bat_initialized = 1; -+ -+ return 0; -+} -+ -+static void yeeloong_bat_exit(void) -+{ -+ ac_bat_initialized = 0; -+ -+ power_supply_unregister(&yeeloong_ac); -+ power_supply_unregister(&yeeloong_bat); -+} -+/* hwmon subdriver */ -+ -+#define MIN_FAN_SPEED 0 -+#define MAX_FAN_SPEED 3 -+ -+#define get_fan(type) \ -+ ec_read(REG_FAN_##type) -+ -+#define set_fan(type, val) \ -+ ec_write(REG_FAN_##type, val) -+ -+static inline int get_fan_speed_level(void) -+{ -+ return get_fan(SPEED_LEVEL); -+} -+static inline void set_fan_speed_level(int speed) -+{ -+ set_fan(SPEED_LEVEL, speed); -+} -+ -+static inline int get_fan_mode(void) -+{ -+ return get_fan(AUTO_MAN_SWITCH); -+} -+static inline void set_fan_mode(int mode) -+{ -+ set_fan(AUTO_MAN_SWITCH, mode); -+} -+ -+/* -+ * 3 different modes: Full speed(0); manual mode(1); auto mode(2) -+ */ -+static int get_fan_pwm_enable(void) -+{ -+ return (get_fan_mode() == BIT_FAN_AUTO) ? 2 : -+ (get_fan_speed_level() == MAX_FAN_SPEED) ? 0 : 1; -+} -+ -+static void set_fan_pwm_enable(int mode) -+{ -+ set_fan_mode((mode == 2) ? BIT_FAN_AUTO : BIT_FAN_MANUAL); -+ if (mode == 0) -+ set_fan_speed_level(MAX_FAN_SPEED); -+} -+ -+static int get_fan_pwm(void) -+{ -+ return get_fan_speed_level(); -+} -+ -+static void set_fan_pwm(int value) -+{ -+ if (get_fan_mode() != BIT_FAN_MANUAL) -+ return; -+ -+ value = clamp_val(value, MIN_FAN_SPEED, MAX_FAN_SPEED); -+ -+ /* We must ensure the fan is on */ -+ if (value > 0) -+ set_fan(CONTROL, ON); -+ -+ set_fan_speed_level(value); -+} -+ -+static inline int get_fan_speed(void) -+{ -+ return ((get_fan(SPEED_HIGH) & 0x0f) << 8) | get_fan(SPEED_LOW); -+} -+ -+static int get_fan_rpm(void) -+{ -+ return FAN_SPEED_DIVIDER / get_fan_speed(); -+} -+ -+static int get_cpu_temp(void) -+{ -+ return (s8)ec_read(REG_TEMPERATURE_VALUE) * 1000; -+} -+ -+static int get_cpu_temp_max(void) -+{ -+ return 60 * 1000; -+} -+ -+static int get_bat_temp_alarm(void) -+{ -+ return !!(get_bat(CHARGE_STATUS) & BIT_BAT_CHARGE_STATUS_OVERTEMP); -+} -+ -+static ssize_t store_sys_hwmon(void (*set) (int), const char *buf, size_t count) -+{ -+ int ret; -+ unsigned long value; -+ -+ if (!count) -+ return 0; -+ -+ ret = strict_strtoul(buf, 10, &value); -+ if (ret) -+ return ret; -+ -+ set(value); -+ -+ return count; -+} -+ -+static ssize_t show_sys_hwmon(int (*get) (void), char *buf) -+{ -+ return sprintf(buf, "%d\n", get()); -+} -+ -+#define CREATE_SENSOR_ATTR(_name, _mode, _set, _get) \ -+ static ssize_t show_##_name(struct device *dev, \ -+ struct device_attribute *attr, \ -+ char *buf) \ -+ { \ -+ return show_sys_hwmon(_set, buf); \ -+ } \ -+ static ssize_t store_##_name(struct device *dev, \ -+ struct device_attribute *attr, \ -+ const char *buf, size_t count) \ -+ { \ -+ return store_sys_hwmon(_get, buf, count); \ -+ } \ -+ static SENSOR_DEVICE_ATTR(_name, _mode, show_##_name, store_##_name, 0); -+ -+CREATE_SENSOR_ATTR(fan1_input, S_IRUGO, get_fan_rpm, NULL); -+CREATE_SENSOR_ATTR(pwm1, S_IRUGO | S_IWUSR, get_fan_pwm, set_fan_pwm); -+CREATE_SENSOR_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, get_fan_pwm_enable, -+ set_fan_pwm_enable); -+CREATE_SENSOR_ATTR(temp1_input, S_IRUGO, get_cpu_temp, NULL); -+CREATE_SENSOR_ATTR(temp1_max, S_IRUGO, get_cpu_temp_max, NULL); -+CREATE_SENSOR_ATTR(temp2_input, S_IRUGO, get_bat_temp, NULL); -+CREATE_SENSOR_ATTR(temp2_max_alarm, S_IRUGO, get_bat_temp_alarm, NULL); -+CREATE_SENSOR_ATTR(curr1_input, S_IRUGO, get_bat_current, NULL); -+CREATE_SENSOR_ATTR(in1_input, S_IRUGO, get_bat_voltage, NULL); -+ -+static ssize_t -+show_name(struct device *dev, struct device_attribute *attr, char *buf) -+{ -+ return sprintf(buf, "yeeloong\n"); -+} -+ -+static SENSOR_DEVICE_ATTR(name, S_IRUGO, show_name, NULL, 0); -+ -+static struct attribute *hwmon_attributes[] = { -+ &sensor_dev_attr_pwm1.dev_attr.attr, -+ &sensor_dev_attr_pwm1_enable.dev_attr.attr, -+ &sensor_dev_attr_fan1_input.dev_attr.attr, -+ &sensor_dev_attr_temp1_input.dev_attr.attr, -+ &sensor_dev_attr_temp1_max.dev_attr.attr, -+ &sensor_dev_attr_temp2_input.dev_attr.attr, -+ &sensor_dev_attr_temp2_max_alarm.dev_attr.attr, -+ &sensor_dev_attr_curr1_input.dev_attr.attr, -+ &sensor_dev_attr_in1_input.dev_attr.attr, -+ &sensor_dev_attr_name.dev_attr.attr, -+ NULL -+}; -+ -+static struct attribute_group hwmon_attribute_group = { -+ .attrs = hwmon_attributes -+}; -+ -+static struct device *yeeloong_hwmon_dev; -+ -+static int yeeloong_hwmon_init(void) -+{ -+ int ret; -+ -+ yeeloong_hwmon_dev = hwmon_device_register(NULL); -+ if (IS_ERR(yeeloong_hwmon_dev)) { -+ yeeloong_hwmon_dev = NULL; -+ return PTR_ERR(yeeloong_hwmon_dev); -+ } -+ ret = sysfs_create_group(&yeeloong_hwmon_dev->kobj, -+ &hwmon_attribute_group); -+ if (ret) { -+ hwmon_device_unregister(yeeloong_hwmon_dev); -+ yeeloong_hwmon_dev = NULL; -+ return ret; -+ } -+ /* ensure fan is set to auto mode */ -+ set_fan_pwm_enable(2); -+ -+ return 0; -+} -+ -+static void yeeloong_hwmon_exit(void) -+{ -+ if (yeeloong_hwmon_dev) { -+ sysfs_remove_group(&yeeloong_hwmon_dev->kobj, -+ &hwmon_attribute_group); -+ hwmon_device_unregister(yeeloong_hwmon_dev); -+ yeeloong_hwmon_dev = NULL; -+ } -+} -+ -+/* video output subdriver */ -+ -+#define LCD 0 -+#define CRT 1 -+#define VOD_NUM 2 /* The total number of video output device*/ -+ -+static struct output_device *vod[VOD_NUM]; -+ -+static int vor[] = {REG_DISPLAY_LCD, REG_CRT_DETECT}; -+ -+static int get_vo_dev(struct output_device *od) -+{ -+ int i, dev; -+ -+ dev = -1; -+ for (i = 0; i < VOD_NUM; i++) -+ if (od == vod[i]) -+ dev = i; -+ -+ return dev; -+} -+ -+static int vo_get_status(int dev) -+{ -+ return ec_read(vor[dev]); -+} -+ -+static int yeeloong_vo_get_status(struct output_device *od) -+{ -+ int vd; -+ -+ vd = get_vo_dev(od); -+ if (vd != -1) -+ return vo_get_status(vd); -+ -+ return -ENODEV; -+} -+ -+static void vo_set_state(int dev, int state) -+{ -+ int addr; -+ unsigned long value; -+ -+ switch (dev) { -+ case LCD: -+ addr = 0x31; -+ break; -+ case CRT: -+ addr = 0x21; -+ break; -+ default: -+ /* return directly if the wrong video output device */ -+ return; -+ } -+ -+ outb(addr, 0x3c4); -+ value = inb(0x3c5); -+ -+ switch (dev) { -+ case LCD: -+ value |= (state ? 0x03 : 0x02); -+ break; -+ case CRT: -+ if (state) -+ clear_bit(7, &value); -+ else -+ set_bit(7, &value); -+ break; -+ default: -+ break; -+ } -+ -+ outb(addr, 0x3c4); -+ outb(value, 0x3c5); -+ -+ if (dev == LCD) -+ ec_write(REG_BACKLIGHT_CTRL, state); -+} -+ -+static int yeeloong_vo_set_state(struct output_device *od) -+{ -+ int vd; -+ -+ vd = get_vo_dev(od); -+ if (vd == -1) -+ return -ENODEV; -+ -+ if (vd == CRT && !vo_get_status(vd)) -+ return 0; -+ -+ vo_set_state(vd, !!od->request_state); -+ -+ return 0; -+} -+ -+static struct output_properties vop = { -+ .set_state = yeeloong_vo_set_state, -+ .get_status = yeeloong_vo_get_status, -+}; -+ -+static int yeeloong_vo_init(void) -+{ -+ int ret, i; -+ char dev_name[VOD_NUM][4] = {"LCD", "CRT"}; -+ -+ /* Register video output device: lcd, crt */ -+ for (i = 0; i < VOD_NUM; i++) { -+ vod[i] = video_output_register(dev_name[i], NULL, NULL, &vop); -+ if (IS_ERR(vod[i])) { -+ if (i != 0) -+ video_output_unregister(vod[i-1]); -+ ret = PTR_ERR(vod[i]); -+ vod[i] = NULL; -+ return ret; -+ } -+ } -+ /* Ensure LCD is on by default */ -+ vo_set_state(LCD, ON); -+ -+ /* -+ * Turn off CRT by default, and will be enabled when the CRT -+ * connectting event reported by SCI -+ */ -+ vo_set_state(CRT, OFF); -+ -+ return 0; -+} -+ -+static void yeeloong_vo_exit(void) -+{ -+ int i; -+ -+ for (i = 0; i < VOD_NUM; i++) { -+ if (vod[i]) { -+ video_output_unregister(vod[i]); -+ vod[i] = NULL; -+ } -+ } -+} -+ -+/* lcd subdriver */ -+ -+struct lcd_device *lcd[VOD_NUM]; -+ -+static int get_lcd_dev(struct lcd_device *ld) -+{ -+ int i, dev; -+ -+ dev = -1; -+ for (i = 0; i < VOD_NUM; i++) -+ if (ld == lcd[i]) -+ dev = i; -+ -+ return dev; -+} -+ -+static int yeeloong_lcd_set_power(struct lcd_device *ld, int power) -+{ -+ int dev = get_lcd_dev(ld); -+ -+ if (power == FB_BLANK_UNBLANK) -+ vo_set_state(dev, ON); -+ if (power == FB_BLANK_POWERDOWN) -+ vo_set_state(dev, OFF); -+ -+ return 0; -+} -+ -+static int yeeloong_lcd_get_power(struct lcd_device *ld) -+{ -+ return vo_get_status(get_lcd_dev(ld)); -+} -+ -+static struct lcd_ops lcd_ops = { -+ .set_power = yeeloong_lcd_set_power, -+ .get_power = yeeloong_lcd_get_power, -+}; -+ -+static int yeeloong_lcd_init(void) -+{ -+ int ret, i; -+ char dev_name[VOD_NUM][4] = {"LCD", "CRT"}; -+ -+ /* Register video output device: lcd, crt */ -+ for (i = 0; i < VOD_NUM; i++) { -+ lcd[i] = lcd_device_register(dev_name[i], NULL, NULL, &lcd_ops); -+ if (IS_ERR(lcd[i])) { -+ if (i != 0) -+ lcd_device_unregister(lcd[i-1]); -+ ret = PTR_ERR(lcd[i]); -+ lcd[i] = NULL; -+ return ret; -+ } -+ } -+#if 0 -+ /* This has been done by the vide output driver */ -+ -+ /* Ensure LCD is on by default */ -+ vo_set_state(LCD, ON); -+ -+ /* -+ * Turn off CRT by default, and will be enabled when the CRT -+ * connectting event reported by SCI -+ */ -+ vo_set_state(CRT, OFF); -+#endif -+ return 0; -+} -+ -+static void yeeloong_lcd_exit(void) -+{ -+ int i; -+ -+ for (i = 0; i < VOD_NUM; i++) { -+ if (lcd[i]) { -+ lcd_device_unregister(lcd[i]); -+ lcd[i] = NULL; -+ } -+ } -+} -+ -+/* hotkey subdriver */ -+ -+static struct input_dev *yeeloong_hotkey_dev; -+ -+static atomic_t reboot_flag, sleep_flag; -+#define in_sleep() (&sleep_flag) -+#define in_reboot() (&reboot_flag) -+ -+static const struct key_entry yeeloong_keymap[] = { -+ {KE_SW, EVENT_LID, { SW_LID } }, -+ {KE_KEY, EVENT_CAMERA, { KEY_CAMERA } }, /* Fn + ESC */ -+ {KE_KEY, EVENT_SLEEP, { KEY_SLEEP } }, /* Fn + F1 */ -+ {KE_KEY, EVENT_BLACK_SCREEN, { KEY_DISPLAYTOGGLE } }, /* Fn + F2 */ -+ {KE_KEY, EVENT_DISPLAY_TOGGLE, { KEY_SWITCHVIDEOMODE } }, /* Fn + F3 */ -+ {KE_KEY, EVENT_AUDIO_MUTE, { KEY_MUTE } }, /* Fn + F4 */ -+ {KE_KEY, EVENT_WLAN, { KEY_WLAN } }, /* Fn + F5 */ -+ {KE_KEY, EVENT_DISPLAY_BRIGHTNESS, { KEY_BRIGHTNESSUP } }, /* Fn + up */ -+ {KE_KEY, EVENT_DISPLAY_BRIGHTNESS, { KEY_BRIGHTNESSDOWN } }, /* Fn + down */ -+ {KE_KEY, EVENT_AUDIO_VOLUME, { KEY_VOLUMEUP } }, /* Fn + right */ -+ {KE_KEY, EVENT_AUDIO_VOLUME, { KEY_VOLUMEDOWN } }, /* Fn + left */ -+ {KE_END, 0} -+}; -+ -+static int is_fake_event(u16 keycode) -+{ -+ switch (keycode) { -+ case KEY_SLEEP: -+ case SW_LID: -+ return atomic_read(in_sleep()) | atomic_read(in_reboot()); -+ break; -+ default: -+ break; -+ } -+ return 0; -+} -+ -+static struct key_entry *get_event_key_entry(int event, int status) -+{ -+ struct key_entry *ke; -+ static int old_brightness_status = -1; -+ static int old_volume_status = -1; -+ -+ ke = sparse_keymap_entry_from_scancode(yeeloong_hotkey_dev, event); -+ if (!ke) -+ return NULL; -+ -+ switch (event) { -+ case EVENT_DISPLAY_BRIGHTNESS: -+ /* current status > old one, means up */ -+ if ((status < old_brightness_status) || (0 == status)) -+ ke++; -+ old_brightness_status = status; -+ break; -+ case EVENT_AUDIO_VOLUME: -+ if ((status < old_volume_status) || (0 == status)) -+ ke++; -+ old_volume_status = status; -+ break; -+ default: -+ break; -+ } -+ -+ return ke; -+} -+ -+static int report_lid_switch(int status) -+{ -+ static int old_status; -+ -+ /* -+ * LID is a switch button, so, two continuous same status should be -+ * ignored -+ */ -+ if (old_status != status) { -+ input_report_switch(yeeloong_hotkey_dev, SW_LID, !status); -+ input_sync(yeeloong_hotkey_dev); -+ } -+ old_status = status; -+ -+ return status; -+} -+ -+static int crt_detect_handler(int status) -+{ -+ /* -+ * When CRT is inserted, enable its output and disable the LCD output, -+ * otherwise, do reversely. -+ */ -+ vo_set_state(CRT, status); -+ vo_set_state(LCD, !status); -+ -+ return status; -+} -+ -+static int displaytoggle_handler(int status) -+{ -+ /* EC(>=PQ1D26) does this job for us, we can not do it again, -+ * otherwise, the brightness will not resume to the normal level! */ -+ if (ec_version_before("EC_VER=PQ1D26")) -+ vo_set_state(LCD, status); -+ -+ return status; -+} -+ -+static int mypow(int x, int y) -+{ -+ int i, j = x; -+ -+ for (i = 1; i < y; i++) -+ j *= j; -+ -+ return j; -+} -+ -+static int switchvideomode_handler(int status) -+{ -+ /* Default status: CRT|LCD = 0|1 = 1 */ -+ static int bin_state = 1; -+ int i; -+ -+ /* -+ * Only enable switch video output button -+ * when CRT is connected -+ */ -+ if (!vo_get_status(CRT)) -+ return 0; -+ /* -+ * 2. no CRT connected: LCD on, CRT off -+ * 3. BOTH on -+ * 0. BOTH off -+ * 1. LCD off, CRT on -+ */ -+ -+ bin_state++; -+ if (bin_state > mypow(2, VOD_NUM) - 1) -+ bin_state = 0; -+ -+ for (i = 0; i < VOD_NUM; i++) -+ vo_set_state(i, bin_state & (1 << i)); -+ -+ return bin_state; -+} -+ -+static int camera_handler(int status) -+{ -+ int value; -+ -+ value = ec_read(REG_CAMERA_CONTROL); -+ ec_write(REG_CAMERA_CONTROL, value | (1 << 1)); -+ -+ return status; -+} -+ -+static int usb2_handler(int status) -+{ -+ pr_emerg("USB2 Over Current occurred\n"); -+ -+ return status; -+} -+ -+static int usb0_handler(int status) -+{ -+ pr_emerg("USB0 Over Current occurred\n"); -+ -+ return status; -+} -+ -+static int ac_bat_handler(int status) -+{ -+ if (ac_bat_initialized) { -+ power_supply_changed(&yeeloong_ac); -+ power_supply_changed(&yeeloong_bat); -+ } -+ -+ return status; -+} -+ -+struct sci_event { -+ int reg; -+ sci_handler handler; -+}; -+ -+static const struct sci_event se[] = { -+ [EVENT_AC_BAT] = {0, ac_bat_handler}, -+ [EVENT_AUDIO_MUTE] = {REG_AUDIO_MUTE, NULL}, -+ [EVENT_AUDIO_VOLUME] = {REG_AUDIO_VOLUME, NULL}, -+ [EVENT_CRT_DETECT] = {REG_CRT_DETECT, crt_detect_handler}, -+ [EVENT_CAMERA] = {REG_CAMERA_STATUS, camera_handler}, -+ [EVENT_BLACK_SCREEN] = {REG_DISPLAY_LCD, displaytoggle_handler}, -+ [EVENT_DISPLAY_BRIGHTNESS] = {REG_DISPLAY_BRIGHTNESS, NULL}, -+ [EVENT_LID] = {REG_LID_DETECT, NULL}, -+ [EVENT_DISPLAY_TOGGLE] = {0, switchvideomode_handler}, -+ [EVENT_USB_OC0] = {REG_USB2_FLAG, usb0_handler}, -+ [EVENT_USB_OC2] = {REG_USB2_FLAG, usb2_handler}, -+ [EVENT_WLAN] = {REG_WLAN, NULL}, -+}; -+ -+static void do_event_action(int event) -+{ -+ int status = -1; -+ struct key_entry *ke; -+ struct sci_event *sep; -+ -+ sep = (struct sci_event *)&se[event]; -+ -+ if (sep->reg != 0) -+ status = ec_read(sep->reg); -+ -+ if (status == -1) { -+ /* ec_read hasn't been called, status is invalid */ -+ return; -+ } -+ -+ if (sep->handler != NULL) -+ status = sep->handler(status); -+ -+ pr_debug("%s: event: %d status: %d\n", __func__, event, status); -+ -+ /* Report current key to user-space */ -+ ke = get_event_key_entry(event, status); -+ -+ /* -+ * Ignore the LID and SLEEP event when we are already in sleep or -+ * reboot state, this will avoid the recursive pm operations. but note: -+ * the report_lid_switch() called in arch/mips/loongson/lemote-2f/pm.c -+ * is necessary, because it is used to wake the system from sleep -+ * state. In the future, perhaps SW_LID should works like SLEEP, no -+ * need to function as a SWITCH, just report the state when the LID is -+ * closed is enough, this event can tell the software to "SLEEP", no -+ * need to tell the softwares when we are resuming from "SLEEP". -+ */ -+ if (ke && !is_fake_event(ke->keycode)) { -+ if (ke->keycode == SW_LID) -+ report_lid_switch(status); -+ else -+ sparse_keymap_report_entry(yeeloong_hotkey_dev, ke, 1, -+ true); -+ } -+} -+ -+/* -+ * SCI(system control interrupt) main interrupt routine -+ * -+ * We will do the query and get event number together so the interrupt routine -+ * should be longer than 120us now at least 3ms elpase for it. -+ */ -+static irqreturn_t sci_irq_handler(int irq, void *dev_id) -+{ -+ int ret, event; -+ -+ if (SCI_IRQ_NUM != irq) -+ return IRQ_NONE; -+ -+ /* Query the event number */ -+ ret = ec_query_event_num(); -+ if (ret < 0) -+ return IRQ_NONE; -+ -+ event = ec_get_event_num(); -+ if (event < EVENT_START || event > EVENT_END) -+ return IRQ_NONE; -+ -+ /* Execute corresponding actions */ -+ do_event_action(event); -+ -+ return IRQ_HANDLED; -+} -+ -+/* -+ * Config and init some msr and gpio register properly. -+ */ -+static int sci_irq_init(void) -+{ -+ u32 hi, lo; -+ u32 gpio_base; -+ unsigned long flags; -+ int ret; -+ -+ /* Get gpio base */ -+ _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_GPIO), &hi, &lo); -+ gpio_base = lo & 0xff00; -+ -+ /* Filter the former kb3310 interrupt for security */ -+ ret = ec_query_event_num(); -+ if (ret) -+ return ret; -+ -+ /* For filtering next number interrupt */ -+ udelay(10000); -+ -+ /* Set gpio native registers and msrs for GPIO27 SCI EVENT PIN -+ * gpio : -+ * input, pull-up, no-invert, event-count and value 0, -+ * no-filter, no edge mode -+ * gpio27 map to Virtual gpio0 -+ * msr : -+ * no primary and lpc -+ * Unrestricted Z input to IG10 from Virtual gpio 0. -+ */ -+ local_irq_save(flags); -+ _rdmsr(0x80000024, &hi, &lo); -+ lo &= ~(1 << 10); -+ _wrmsr(0x80000024, hi, lo); -+ _rdmsr(0x80000025, &hi, &lo); -+ lo &= ~(1 << 10); -+ _wrmsr(0x80000025, hi, lo); -+ _rdmsr(0x80000023, &hi, &lo); -+ lo |= (0x0a << 0); -+ _wrmsr(0x80000023, hi, lo); -+ local_irq_restore(flags); -+ -+ /* Set gpio27 as sci interrupt -+ * -+ * input, pull-up, no-fliter, no-negedge, invert -+ * the sci event is just about 120us -+ */ -+ asm(".set noreorder\n"); -+ /* input enable */ -+ outl(0x00000800, (gpio_base | 0xA0)); -+ /* revert the input */ -+ outl(0x00000800, (gpio_base | 0xA4)); -+ /* event-int enable */ -+ outl(0x00000800, (gpio_base | 0xB8)); -+ asm(".set reorder\n"); -+ -+ return 0; -+} -+ -+static int notify_reboot(struct notifier_block *nb, unsigned long event, void *buf) -+{ -+ switch (event) { -+ case SYS_RESTART: -+ case SYS_HALT: -+ case SYS_POWER_OFF: -+ atomic_set(in_reboot(), 1); -+ break; -+ default: -+ return NOTIFY_DONE; -+ } -+ -+ return NOTIFY_OK; -+} -+ -+static int notify_pm(struct notifier_block *nb, unsigned long event, void *buf) -+{ -+ switch (event) { -+ case PM_HIBERNATION_PREPARE: -+ case PM_SUSPEND_PREPARE: -+ atomic_inc(in_sleep()); -+ break; -+ case PM_POST_HIBERNATION: -+ case PM_POST_SUSPEND: -+ case PM_RESTORE_PREPARE: /* do we need this ?? */ -+ atomic_dec(in_sleep()); -+ break; -+ default: -+ return NOTIFY_DONE; -+ } -+ -+ pr_debug("%s: event = %lu, in_sleep() = %d\n", __func__, event, -+ atomic_read(in_sleep())); -+ -+ return NOTIFY_OK; -+} -+ -+static struct notifier_block reboot_notifier = { -+ .notifier_call = notify_reboot, -+}; -+ -+static struct notifier_block pm_notifier = { -+ .notifier_call = notify_pm, -+}; -+ -+static int yeeloong_hotkey_init(void) -+{ -+ int ret = 0; -+ -+ ret = register_reboot_notifier(&reboot_notifier); -+ if (ret) { -+ pr_err("Can't register reboot notifier\n"); -+ goto end; -+ } -+ -+ ret = register_pm_notifier(&pm_notifier); -+ if (ret) { -+ pr_err("Can't register pm notifier\n"); -+ goto free_reboot_notifier; -+ } -+ -+ ret = sci_irq_init(); -+ if (ret) { -+ pr_err("Can't init SCI interrupt\n"); -+ goto free_pm_notifier; -+ } -+ -+ ret = request_threaded_irq(SCI_IRQ_NUM, NULL, &sci_irq_handler, -+ IRQF_ONESHOT, "sci", NULL); -+ if (ret) { -+ pr_err("Can't thread SCI interrupt handler\n"); -+ goto free_pm_notifier; -+ } -+ -+ yeeloong_hotkey_dev = input_allocate_device(); -+ -+ if (!yeeloong_hotkey_dev) { -+ ret = -ENOMEM; -+ goto free_irq; -+ } -+ -+ yeeloong_hotkey_dev->name = "HotKeys"; -+ yeeloong_hotkey_dev->phys = "button/input0"; -+ yeeloong_hotkey_dev->id.bustype = BUS_HOST; -+ yeeloong_hotkey_dev->dev.parent = NULL; -+ -+ ret = sparse_keymap_setup(yeeloong_hotkey_dev, yeeloong_keymap, NULL); -+ if (ret) { -+ pr_err("Failed to setup input device keymap\n"); -+ goto free_dev; -+ } -+ -+ ret = input_register_device(yeeloong_hotkey_dev); -+ if (ret) -+ goto free_keymap; -+ -+ /* Update the current status of LID */ -+ report_lid_switch(ON); -+ -+#ifdef CONFIG_LOONGSON_SUSPEND -+ /* Install the real yeeloong_report_lid_status for pm.c */ -+ yeeloong_report_lid_status = report_lid_switch; -+#endif -+ return 0; -+ -+free_keymap: -+ sparse_keymap_free(yeeloong_hotkey_dev); -+free_dev: -+ input_free_device(yeeloong_hotkey_dev); -+free_irq: -+ free_irq(SCI_IRQ_NUM, NULL); -+free_pm_notifier: -+ unregister_pm_notifier(&pm_notifier); -+free_reboot_notifier: -+ unregister_reboot_notifier(&reboot_notifier); -+end: -+ return ret; -+} -+ -+static void yeeloong_hotkey_exit(void) -+{ -+ /* Free irq */ -+ free_irq(SCI_IRQ_NUM, NULL); -+ -+#ifdef CONFIG_LOONGSON_SUSPEND -+ /* Uninstall yeeloong_report_lid_status for pm.c */ -+ if (yeeloong_report_lid_status == report_lid_switch) -+ yeeloong_report_lid_status = NULL; -+#endif -+ -+ if (yeeloong_hotkey_dev) { -+ sparse_keymap_free(yeeloong_hotkey_dev); -+ input_unregister_device(yeeloong_hotkey_dev); -+ yeeloong_hotkey_dev = NULL; -+ } -+} -+ -+#ifdef CONFIG_PM -+static void usb_ports_set(int status) -+{ -+ status = !!status; -+ -+ ec_write(REG_USB0_FLAG, status); -+ ec_write(REG_USB1_FLAG, status); -+ ec_write(REG_USB2_FLAG, status); -+} -+ -+static int yeeloong_suspend(struct device *dev) -+ -+{ -+ if (ec_version_before("EC_VER=PQ1D27")) -+ vo_set_state(LCD, OFF); -+ vo_set_state(CRT, OFF); -+ usb_ports_set(OFF); -+ -+ return 0; -+} -+ -+static int yeeloong_resume(struct device *dev) -+{ -+ int ret; -+ -+ if (ec_version_before("EC_VER=PQ1D27")) -+ vo_set_state(LCD, ON); -+ vo_set_state(CRT, ON); -+ usb_ports_set(ON); -+ -+ ret = sci_irq_init(); -+ if (ret) -+ return -EFAULT; -+ -+ return 0; -+} -+ -+static const SIMPLE_DEV_PM_OPS(yeeloong_pm_ops, yeeloong_suspend, -+ yeeloong_resume); -+#endif -+ -+static struct platform_device_id platform_device_ids[] = { -+ { -+ .name = "yeeloong_laptop", -+ }, -+ {} -+}; -+ -+MODULE_DEVICE_TABLE(platform, platform_device_ids); -+ -+static struct platform_driver platform_driver = { -+ .driver = { -+ .name = "yeeloong_laptop", -+ .owner = THIS_MODULE, -+#ifdef CONFIG_PM -+ .pm = &yeeloong_pm_ops, -+#endif -+ }, -+ .id_table = platform_device_ids, -+}; -+ -+static int __init yeeloong_init(void) -+{ -+ int ret; -+ -+ pr_info("YeeLoong Laptop platform specific driver loaded.\n"); -+ -+ /* Register platform stuff */ -+ ret = platform_driver_register(&platform_driver); -+ if (ret) { -+ pr_err("Failed to register YeeLoong platform driver.\n"); -+ return ret; -+ } -+ -+#define yeeloong_init_drv(drv, alias) do { \ -+ pr_info("Registered YeeLoong " alias " driver.\n"); \ -+ ret = yeeloong_ ## drv ## _init(); \ -+ if (ret) { \ -+ pr_err("Failed to register YeeLoong " alias " driver.\n"); \ -+ yeeloong_ ## drv ## _exit(); \ -+ return ret; \ -+ } \ -+} while (0) -+ -+ yeeloong_init_drv(backlight, "backlight"); -+ yeeloong_init_drv(bat, "battery and AC"); -+ yeeloong_init_drv(hwmon, "hardware monitor"); -+ yeeloong_init_drv(vo, "video output"); -+ yeeloong_init_drv(lcd, "lcd output"); -+ yeeloong_init_drv(hotkey, "hotkey input"); -+ -+ return 0; -+} -+ -+static void __exit yeeloong_exit(void) -+{ -+ yeeloong_hotkey_exit(); -+ yeeloong_lcd_exit(); -+ yeeloong_vo_exit(); -+ yeeloong_hwmon_exit(); -+ yeeloong_bat_exit(); -+ yeeloong_backlight_exit(); -+ platform_driver_unregister(&platform_driver); -+ -+ pr_info("YeeLoong platform specific driver unloaded.\n"); -+} -+ -+module_init(yeeloong_init); -+module_exit(yeeloong_exit); -+ -+MODULE_AUTHOR("Wu Zhangjin ; Liu Junliang "); -+MODULE_DESCRIPTION("YeeLoong laptop driver"); -+MODULE_LICENSE("GPL"); -diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig -index db933de..1232c4b 100644 ---- a/drivers/rtc/Kconfig -+++ b/drivers/rtc/Kconfig -@@ -649,6 +649,7 @@ comment "Platform RTC drivers" - config RTC_DRV_CMOS - tristate "PC-style 'CMOS'" - depends on X86 || ARM || M32R || PPC || MIPS || SPARC64 -+ depends on !DEXXON_GDIUM - default y if X86 - help - Say "yes" here to get direct support for the real time clock -diff --git a/drivers/staging/sm7xxfb/sm7xxfb.c b/drivers/staging/sm7xxfb/sm7xxfb.c -index 6176d98..e40ce80 100644 ---- a/drivers/staging/sm7xxfb/sm7xxfb.c -+++ b/drivers/staging/sm7xxfb/sm7xxfb.c -@@ -101,6 +101,7 @@ static struct vesa_mode vesa_mode_table[] = { - {"0x307", 1280, 1024, 8}, - - {"0x311", 640, 480, 16}, -+ {"0x313", 800, 480, 16}, - {"0x314", 800, 600, 16}, - {"0x317", 1024, 768, 16}, - {"0x31A", 1280, 1024, 16}, -diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c -index 3586460..15f66e5 100644 ---- a/drivers/usb/host/ohci-hcd.c -+++ b/drivers/usb/host/ohci-hcd.c -@@ -864,9 +864,13 @@ static irqreturn_t ohci_irq (struct usb_hcd *hcd) - } - - if (ints & OHCI_INTR_WDH) { -- spin_lock (&ohci->lock); -- dl_done_list (ohci); -- spin_unlock (&ohci->lock); -+ if (ohci->hcca->done_head == 0) { -+ ints &= ~OHCI_INTR_WDH; -+ } else { -+ spin_lock (&ohci->lock); -+ dl_done_list (ohci); -+ spin_unlock (&ohci->lock); -+ } - } - - if (quirk_zfmicro(ohci) && (ints & OHCI_INTR_SF)) { -diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c -index 2f3aceb..6647c3f 100644 ---- a/drivers/usb/host/pci-quirks.c -+++ b/drivers/usb/host/pci-quirks.c -@@ -454,6 +454,7 @@ void usb_amd_dev_put(void) - } - EXPORT_SYMBOL_GPL(usb_amd_dev_put); - -+#if defined(CONFIG_USB_UHCI_HCD) || defined(CONFIG_USB_UHCI_HCD_MODULE) - /* - * Make sure the controller is completely inactive, unable to - * generate interrupts or do DMA. -@@ -561,12 +562,16 @@ static void quirk_usb_handoff_uhci(struct pci_dev *pdev) - if (base) - uhci_check_and_reset_hc(pdev, base); - } -+#else -+#define quirk_usb_handoff_uhci(x) do { } while (0) -+#endif /* CONFIG_USB_UHCI_HCD* */ - - static int mmio_resource_enabled(struct pci_dev *pdev, int idx) - { - return pci_resource_start(pdev, idx) && mmio_enabled(pdev); - } - -+#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) - static void quirk_usb_handoff_ohci(struct pci_dev *pdev) - { - void __iomem *base; -@@ -633,7 +638,11 @@ static void quirk_usb_handoff_ohci(struct pci_dev *pdev) - /* Now the controller is safely in SUSPEND and nothing can wake it up */ - iounmap(base); - } -+#else -+#define quirk_usb_handoff_ohci(x) do { } while(0) -+#endif /* CONFIG_USB_OHCI_HCD* */ - -+#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE) - static const struct dmi_system_id ehci_dmi_nohandoff_table[] = { - { - /* Pegatron Lucid (ExoPC) */ -@@ -806,6 +815,9 @@ static void quirk_usb_disable_ehci(struct pci_dev *pdev) - - iounmap(base); - } -+#else -+#define quirk_usb_disable_ehci(x) do { } while (0) -+#endif /* CONFIG_USB_EHCI_HCD* */ - - /* - * handshake - spin reading a register until handshake completes -@@ -945,6 +957,7 @@ void usb_disable_xhci_ports(struct pci_dev *xhci_pdev) - } - EXPORT_SYMBOL_GPL(usb_disable_xhci_ports); - -+#if defined(CONFIG_USB_XHCI_HCD) || defined(CONFIG_USB_XHCI_HCD_MODULE) - /** - * PCI Quirks for xHCI. - * -@@ -1052,6 +1065,9 @@ hc_init: - - iounmap(base); - } -+#else -+#define quirk_usb_handoff_xhci(x) do { } while (0) -+#endif /* CONFIG_USB_UHCI_HCD* */ - - static void quirk_usb_early_handoff(struct pci_dev *pdev) - { -diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c -index 9da566a..fffecfb 100644 ---- a/drivers/usb/serial/option.c -+++ b/drivers/usb/serial/option.c -@@ -79,6 +79,9 @@ static void option_instat_callback(struct urb *urb); - #define OPTION_PRODUCT_ETNA_KOI_MODEM 0x7100 - #define OPTION_PRODUCT_GTM380_MODEM 0x7201 - -+#define HUAWO_VENDOR_ID 0x21F5 -+#define HUAWO_PRODUCT_E1621 0x2008 -+ - #define HUAWEI_VENDOR_ID 0x12D1 - #define HUAWEI_PRODUCT_E173 0x140C - #define HUAWEI_PRODUCT_E1750 0x1406 -@@ -610,6 +613,7 @@ static const struct usb_device_id option_ids[] = { - { USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GLE) }, - { USB_DEVICE(QUANTA_VENDOR_ID, 0xea42), - .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, -+ { USB_DEVICE(HUAWO_VENDOR_ID, HUAWO_PRODUCT_E1621) }, /* QUANTA 6500 chips, Unicom extensive use of this card */ - { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1c05, USB_CLASS_COMM, 0x02, 0xff) }, - { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1c1f, USB_CLASS_COMM, 0x02, 0xff) }, - { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1c23, USB_CLASS_COMM, 0x02, 0xff) }, -diff --git a/include/linux/sm501.h b/include/linux/sm501.h -index 02fde50..a8677f0 100644 ---- a/include/linux/sm501.h -+++ b/include/linux/sm501.h -@@ -27,6 +27,9 @@ extern unsigned long sm501_set_clock(struct device *dev, - extern unsigned long sm501_find_clock(struct device *dev, - int clksrc, unsigned long req_freq); - -+extern void sm501_configure_gpio(struct device *dev, -+ unsigned int gpio, unsigned char mode); -+ - /* sm501_misc_control - * - * Modify the SM501's MISC_CONTROL register -@@ -122,6 +125,7 @@ struct sm501_reg_init { - #define SM501_USE_AC97 (1<<7) - #define SM501_USE_I2S (1<<8) - #define SM501_USE_GPIO (1<<9) -+#define SM501_USE_PWM (1<<10) - - #define SM501_USE_ALL (0xffffffff) - -diff --git a/init/calibrate.c b/init/calibrate.c -index 520702d..e78762a 100644 ---- a/init/calibrate.c -+++ b/init/calibrate.c -@@ -21,6 +21,7 @@ static int __init lpj_setup(char *str) - - __setup("lpj=", lpj_setup); - -+#ifndef ARCH_HAS_PREPARED_LPJ - #ifdef ARCH_HAS_READ_CURRENT_TIMER - - /* This routine uses the read_current_timer() routine and gets the -@@ -171,6 +172,7 @@ static unsigned long calibrate_delay_direct(void) - return 0; - } - #endif -+#endif /* ARCH_HAS_PREPARED_LPJ */ - - /* - * This is the number of bits of precision for the loops_per_jiffy. Each -@@ -282,6 +284,7 @@ void calibrate_delay(void) - lpj = lpj_fine; - pr_info("Calibrating delay loop (skipped), " - "value calculated using timer frequency.. "); -+#ifndef ARCH_HAS_PREPARED_LPJ - } else if ((lpj = calibrate_delay_is_known())) { - ; - } else if ((lpj = calibrate_delay_direct()) != 0) { -@@ -292,6 +295,7 @@ void calibrate_delay(void) - if (!printed) - pr_info("Calibrating delay loop... "); - lpj = calibrate_delay_converge(); -+#endif /* ARCH_HAS_PREPARED_LPJ */ - } - per_cpu(cpu_loops_per_jiffy, this_cpu) = lpj; - if (!printed) -diff --git a/net/rfkill/core.c b/net/rfkill/core.c -index ed7e0b4..6cb1ae8 100644 ---- a/net/rfkill/core.c -+++ b/net/rfkill/core.c -@@ -111,7 +111,7 @@ static LIST_HEAD(rfkill_list); /* list of registered rf switches */ - static DEFINE_MUTEX(rfkill_global_mutex); - static LIST_HEAD(rfkill_fds); /* list of open fds of /dev/rfkill */ - --static unsigned int rfkill_default_state = 1; -+static unsigned int rfkill_default_state; /* default: 0 = radio off */ - module_param_named(default_state, rfkill_default_state, uint, 0444); - MODULE_PARM_DESC(default_state, - "Default initial state for all radio types, 0 = radio off"); -diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl -index 91280b8..6b147ae 100755 ---- a/scripts/recordmcount.pl -+++ b/scripts/recordmcount.pl -@@ -307,14 +307,33 @@ if ($arch eq "x86_64") { - $cc .= " -m64"; - $objcopy .= " -O elf64-sparc"; - } elsif ($arch eq "mips") { -- # To enable module support, we need to enable the -mlong-calls option -- # of gcc for module, after using this option, we can not get the real -- # offset of the calling to _mcount, but the offset of the lui -- # instruction or the addiu one. herein, we record the address of the -- # first one, and then we can replace this instruction by a branch -- # instruction to jump over the profiling function to filter the -- # indicated functions, or swith back to the lui instruction to trace -- # them, which means dynamic tracing. -+ # -+ # To disable tracing, just replace "jal _mcount" with nop; -+ # to enable tracing, replace back. so, the offset 14 is -+ # needed to be recorded. -+ # -+ # 10: 03e0082d move at,ra -+ # 14: 0c000000 jal 0 -+ # 14: R_MIPS_26 _mcount -+ # 14: R_MIPS_NONE *ABS* -+ # 14: R_MIPS_NONE *ABS* -+ # 18: 00020021 nop -+ # -+ # -+ # -+ # If no long call(-mlong-calls), the same to kernel. -+ # -+ # If the module space differs from the kernel space, long -+ # call is needed, as a result, the address of _mcount is -+ # needed to be recorded in a register and then jump from -+ # module space to kernel space via "jalr ". To -+ # disable tracing, "jalr " can be replaced by -+ # nop; to enable tracing, replace it back. Since the -+ # offset of "jalr " is not easy to be matched, -+ # the offset of the 1st _mcount below is recorded and to -+ # disable tracing, "lui v1, 0x0" is substituted with "b -+ # label", which jumps over "jalr "; to enable -+ # tracing, replace it back. - # - # c: 3c030000 lui v1,0x0 - # c: R_MIPS_HI16 _mcount -@@ -326,19 +345,12 @@ if ($arch eq "x86_64") { - # 10: R_MIPS_NONE *ABS* - # 14: 03e0082d move at,ra - # 18: 0060f809 jalr v1 -+ # label: - # -- # for the kernel: -- # -- # 10: 03e0082d move at,ra -- # 14: 0c000000 jal 0 -- # 14: R_MIPS_26 _mcount -- # 14: R_MIPS_NONE *ABS* -- # 14: R_MIPS_NONE *ABS* -- # 18: 00020021 nop - if ($is_module eq "0") { - $mcount_regex = "^\\s*([0-9a-fA-F]+): R_MIPS_26\\s+_mcount\$"; - } else { -- $mcount_regex = "^\\s*([0-9a-fA-F]+): R_MIPS_HI16\\s+_mcount\$"; -+ $mcount_regex = "^\\s*([0-9a-fA-F]+): R_MIPS_(HI16|26)\\s+_mcount\$"; - } - $objdump .= " -Melf-trad".$endian."mips "; - -diff --git a/scripts/sstrip.sh b/scripts/sstrip.sh -new file mode 100755 -index 0000000..49b973a ---- /dev/null -+++ b/scripts/sstrip.sh -@@ -0,0 +1,59 @@ -+#!/bin/bash -+# sstrip.sh -- strip the section table of an elf file -+# -+# Copyright (C) 2010 Wu Zhangjin, wuzhangjin@gmail.com -+# Licensed under the GPLv2 -+# -+# Since the section table is useless for the embedded device, it can be -+# stripped out. -+# -+# Note: Some bootloader may check the section table but most of the time, it -+# may be not really used, If it really need the section table, it may need the -+# decompressed kernel image. -+ -+# Usage -+ -+function usage -+{ -+cat </dev/null` -+[ "xELF" != "x${FILE_TYPE}" ] && echo "$0: ${IMAGE} is not an ELF file" && exit -1 -+ -+[ "x${V}" == "x1" ] && orig_filesz=`wc -c ${IMAGE} | cut -d' ' -f1` -+ -+# Get the offset of the section table, here get the end of the program section -+filesz=$((`${OBJDUMP} -p ${IMAGE} | grep -m1 filesz | tr -s ' ' | cut -d' ' -f3`)) -+ -+# Truncate it via the dd tool -+dd if=/dev/null bs=1 of=${IMAGE} seek=${filesz} 2>/dev/null -+ -+# Clear the section table information in the ELF header -+# The last 6 bytes of the ELF header are the section table information -+echo -ne "\x00\x00\x00\x00\x00\x00" | dd of=${IMAGE} bs=1 seek=46 count=6 conv=notrunc 2>/dev/null -+ -+# Debug -+if [ "x${V}" == "x1" ]; then -+ echo "----------------------------------------------------------------" -+ echo "Strip the section table at ${filesz} of ${IMAGE}" -+ echo "----------------------------------------------------------------" -+ echo " sstrip: $0" -+ echo " objdump: ${OBJDUMP}" -+ echo "original size: ${orig_filesz}" -+ echo "current size: ${filesz}" -+ echo "reduced size: $((${orig_filesz} - ${filesz}))" -+fi diff --git a/kernels/linux-libre-lts-grsec/3.14.26-8475f027b4-loongson-community.patch b/kernels/linux-libre-lts-grsec/3.14.26-8475f027b4-loongson-community.patch new file mode 100644 index 000000000..820a67a86 --- /dev/null +++ b/kernels/linux-libre-lts-grsec/3.14.26-8475f027b4-loongson-community.patch @@ -0,0 +1,10848 @@ +diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig +index 95fa1f1..82dc7e8 100644 +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -278,7 +278,7 @@ config LASAT + + config MACH_LOONGSON + bool "Loongson family of machines" +- select SYS_SUPPORTS_ZBOOT ++ select SYS_SUPPORTS_ZBOOT_UART16550 + help + This enables the support of Loongson family of machines. + +@@ -885,6 +885,60 @@ config CSRC_IOASIC + config CSRC_R4K + bool + ++config MIPS_USER_RDTSC ++ bool "Emulate rdtsc instruction for MIPS" ++ depends on CSRC_R4K && MIPS32_O32 ++ default n ++ help ++ This optoin enables the Emulated rdtsc support for MIPS, which allows ++ the user-space applications read the R4k count directly. Currently, ++ this only support the CONFIG_MIPS32_O32 and R4K, but future, we may ++ add support for scall64-{n32,64}.S and scall32-32.S and for the count ++ registers provided by the other MIPS variants. ++ ++ This emulation based on the syscall instruction, by default, the ++ syscall is encoded as 0x0000000c, except the 0xc, the other parts can ++ be encoded as specific meaning. when a syscall instruction is issued, ++ through checking the encoding of the instruction, when the encoding ++ is the generic 0x000000c, we do the generic syscall work, if ++ something other is encoded in, we can do relevant things, except for ++ the light-weight things, such as read a register. herein, we read the ++ count register whenever there is something encoded in the syscall ++ instruction. In the future, we may be possible to abstract more ++ light-weight & frequently-used operations and add a ++ sys_call_table-like table to store the entries of some light-weight ++ operations and encode 1,2,3... into the syscall instruction and jump ++ to respective entry for diffrent numbers, as a result, we get ++ fast-syscall and which may speed up the user-space applications and ++ even be possibly improve the determinism. ++ ++ *Example* ++ ++ #include ++ #include ++ ++ /* ++ * Currently, our return value is only 32bit, In the long run, ++ * this should be uint64_t, just like clock_gettime(), but it ++ * should has high precision/low overhead than clock_gettime() ++ */ ++ uint32_t rdtsc(void) ++ { ++ /* ++ * Linux will store the value of the count register into ++ * the v0 register, which is just the return value of this ++ * function, so, please ignore the compiling warning. ++ */ ++ __asm__ __volatile__ ( ++ "syscall 1\n" ++ :::"$2"); ++ } ++ ++ int main(int argc, char *argv[]) ++ { ++ return printf("cycles: %u\n", rdtsc()); ++ } ++ + config CSRC_GIC + bool + +@@ -1492,6 +1546,15 @@ config CPU_LOONGSON2 + bool + select CPU_SUPPORTS_32BIT_KERNEL + select CPU_SUPPORTS_64BIT_KERNEL ++ select CPU_SUPPORTS_HIGHMEM if ! EMBEDDED ++ select ARCH_WANT_OPTIONAL_GPIOLIB ++ ++config CPU_LOONGSON1 ++ bool ++ select CPU_MIPS32 ++ select CPU_MIPSR2 ++ select CPU_HAS_PREFETCH ++ select CPU_SUPPORTS_32BIT_KERNEL + select CPU_SUPPORTS_HIGHMEM + select CPU_SUPPORTS_HUGEPAGES + +@@ -2110,7 +2173,7 @@ config SYS_SUPPORTS_MICROMIPS + + config ARCH_FLATMEM_ENABLE + def_bool y +- depends on !NUMA && !CPU_LOONGSON2 ++ depends on !NUMA && !(CPU_LOONGSON2 && HIBERNATION) + + config ARCH_DISCONTIGMEM_ENABLE + bool +diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug +index b147e70..f32dfb0 100644 +--- a/arch/mips/Kconfig.debug ++++ b/arch/mips/Kconfig.debug +@@ -7,9 +7,9 @@ config TRACE_IRQFLAGS_SUPPORT + source "lib/Kconfig.debug" + + config EARLY_PRINTK +- bool "Early printk" if EXPERT ++ bool "Early printk" + depends on SYS_HAS_EARLY_PRINTK +- default y ++ default n + help + This option enables special console drivers which allow the kernel + to print messages very early in the bootup process. +diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile +index 61af6b6..8598044 100644 +--- a/arch/mips/boot/compressed/Makefile ++++ b/arch/mips/boot/compressed/Makefile +@@ -30,9 +30,10 @@ KBUILD_AFLAGS := $(LINUXINCLUDE) $(KBUILD_AFLAGS) -D__ASSEMBLY__ \ + targets := head.o decompress.o string.o dbg.o uart-16550.o uart-alchemy.o + + # decompressor objects (linked with vmlinuz) +-vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o $(obj)/dbg.o ++vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o + + ifdef CONFIG_DEBUG_ZBOOT ++vmlinuzobjs-y += $(obj)/dbg.o + vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o + vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o + endif +@@ -79,9 +80,18 @@ quiet_cmd_zld = LD $@ + cmd_zld = $(LD) $(LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@ + quiet_cmd_strip = STRIP $@ + cmd_strip = $(STRIP) -s $@ ++ifdef CONFIG_EMBEDDED ++quiet_cmd_sstrip = SSTRIP $@ ++ cmd_sstrip = $(srctree)/scripts/sstrip.sh $@ ++endif + vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr + $(call cmd,zld) + $(call cmd,strip) ++ $(call cmd,sstrip) ++ ++vmlinuz.unsstrip: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr ++ $(call cmd,zld) ++ $(call cmd,strip) + + # + # Some DECstations need all possible sections of an ECOFF executable +@@ -94,14 +104,14 @@ endif + hostprogs-y += ../elf2ecoff + + ifdef CONFIG_32BIT +- VMLINUZ = vmlinuz ++ VMLINUZ = vmlinuz.unsstrip + else + VMLINUZ = vmlinuz.32 + endif + + quiet_cmd_32 = OBJCOPY $@ + cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ +-vmlinuz.32: vmlinuz ++vmlinuz.32: vmlinuz.unsstrip + $(call cmd,32) + + quiet_cmd_ecoff = ECOFF $@ +@@ -110,11 +120,11 @@ vmlinuz.ecoff: $(obj)/../elf2ecoff $(VMLINUZ) + $(call cmd,ecoff) + + OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary +-vmlinuz.bin: vmlinuz ++vmlinuz.bin: vmlinuz.unsstrip + $(call cmd,objcopy) + + OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec +-vmlinuz.srec: vmlinuz ++vmlinuz.srec: vmlinuz.unsstrip + $(call cmd,objcopy) + +-clean-files := $(objtree)/vmlinuz $(objtree)/vmlinuz.{32,ecoff,bin,srec} ++clean-files := $(objtree)/vmlinuz $(objtree)/vmlinuz.{32,ecoff,bin,srec,unsstrip} +diff --git a/arch/mips/boot/compressed/decompress.c b/arch/mips/boot/compressed/decompress.c +index 5244cec..965734f1 100644 +--- a/arch/mips/boot/compressed/decompress.c ++++ b/arch/mips/boot/compressed/decompress.c +@@ -28,8 +28,13 @@ unsigned long free_mem_end_ptr; + extern unsigned char __image_begin, __image_end; + + /* debug interfaces */ ++#ifdef CONFIG_DEBUG_ZBOOT + extern void puts(const char *s); + extern void puthex(unsigned long long val); ++#else ++#define puts(s) ++#define puthex(val) ++#endif + + void error(char *x) + { +diff --git a/arch/mips/boot/compressed/ld.script b/arch/mips/boot/compressed/ld.script +index 5a33409..de04ac9 100644 +--- a/arch/mips/boot/compressed/ld.script ++++ b/arch/mips/boot/compressed/ld.script +@@ -49,5 +49,6 @@ SECTIONS + *(.reginfo) + *(.comment) + *(.note) ++ *(.gnu.attributes) + } + } +diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h +index 84238c5..28e0b03 100644 +--- a/arch/mips/include/asm/dma-mapping.h ++++ b/arch/mips/include/asm/dma-mapping.h +@@ -6,9 +6,7 @@ + #include + #include + +-#ifndef CONFIG_SGI_IP27 /* Kludge to fix 2.6.39 build for IP27 */ + #include +-#endif + + extern struct dma_map_ops *mips_dma_map_ops; + +diff --git a/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h b/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h +index a0ee0cb..c6df1c4 100644 +--- a/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h ++++ b/arch/mips/include/asm/mach-loongson/cs5536/cs5536.h +@@ -299,7 +299,42 @@ extern void _wrmsr(u32 msr, u32 hi, u32 lo); + + /****************** NATIVE ***************************/ + /* GPIO : I/O SPACE; REG : 32BITS */ +-#define GPIOL_OUT_VAL 0x00 +-#define GPIOL_OUT_EN 0x04 ++#define GPIOL_OUT_VAL 0x00 ++#define GPIOL_OUT_EN 0x04 ++#define GPIOL_OUT_AUX1_SEL 0x10 ++/* SMB : I/O SPACE, REG : 8BITS WIDTH */ ++#define SMB_SDA 0x00 ++#define SMB_STS 0x01 ++#define SMB_STS_SLVSTP (1 << 7) ++#define SMB_STS_SDAST (1 << 6) ++#define SMB_STS_BER (1 << 5) ++#define SMB_STS_NEGACK (1 << 4) ++#define SMB_STS_STASTR (1 << 3) ++#define SMB_STS_NMATCH (1 << 2) ++#define SMB_STS_MASTER (1 << 1) ++#define SMB_STS_XMIT (1 << 0) ++#define SMB_CTRL_STS 0x02 ++#define SMB_CSTS_TGSTL (1 << 5) ++#define SMB_CSTS_TSDA (1 << 4) ++#define SMB_CSTS_GCMTCH (1 << 3) ++#define SMB_CSTS_MATCH (1 << 2) ++#define SMB_CSTS_BB (1 << 1) ++#define SMB_CSTS_BUSY (1 << 0) ++#define SMB_CTRL1 0x03 ++#define SMB_CTRL1_STASTRE (1 << 7) ++#define SMB_CTRL1_NMINTE (1 << 6) ++#define SMB_CTRL1_GCMEN (1 << 5) ++#define SMB_CTRL1_ACK (1 << 4) ++#define SMB_CTRL1_RSVD (1 << 3) ++#define SMB_CTRL1_INTEN (1 << 2) ++#define SMB_CTRL1_STOP (1 << 1) ++#define SMB_CTRL1_START (1 << 0) ++#define SMB_ADDR 0x04 ++#define SMB_ADDR_SAEN (1 << 7) ++#define SMB_CONTROLLER_ADDR (0xef << 0) ++#define SMB_CTRL2 0x05 ++#define SMB_FREQ (0x20 << 1) ++#define SMB_ENABLE (0x01 << 0) ++#define SMB_CTRL3 0x06 + + #endif /* _CS5536_H */ +diff --git a/arch/mips/include/asm/mach-loongson/cs5536/cs5536_mfgpt.h b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_mfgpt.h +index 021d017..d058e46 100644 +--- a/arch/mips/include/asm/mach-loongson/cs5536/cs5536_mfgpt.h ++++ b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_mfgpt.h +@@ -10,26 +10,45 @@ + + #ifdef CONFIG_CS5536_MFGPT + extern void setup_mfgpt0_timer(void); +-extern void disable_mfgpt0_counter(void); +-extern void enable_mfgpt0_counter(void); ++extern void disable_mfgpt_counter(void); ++extern void enable_mfgpt_counter(void); + #else + static inline void __maybe_unused setup_mfgpt0_timer(void) + { + } +-static inline void __maybe_unused disable_mfgpt0_counter(void) ++static inline void __maybe_unused disable_mfgpt_counter(void) + { + } +-static inline void __maybe_unused enable_mfgpt0_counter(void) ++static inline void __maybe_unused enable_mfgpt_counter(void) + { + } + #endif + +-#define MFGPT_TICK_RATE 14318000 +-#define COMPARE ((MFGPT_TICK_RATE + HZ/2) / HZ) ++#define MFGPT_CLK_RATE(c) ((14318000UL-32768)*c + 32768) ++#define MFGPT_TICK_RATE(c, scale) (MFGPT_CLK_RATE(c) / (1 << scale)) ++#define MFGPT_COMPARE(c, scale) ((MFGPT_TICK_RATE(c, scale)+HZ/2)/HZ) + +-#define MFGPT_BASE mfgpt_base +-#define MFGPT0_CMP2 (MFGPT_BASE + 2) +-#define MFGPT0_CNT (MFGPT_BASE + 4) +-#define MFGPT0_SETUP (MFGPT_BASE + 6) ++#define MFGPT_SETUP_ENABLE (1 << 15) ++#define MFGPT_SETUP_ACK (3 << 13) ++#define MFGPT_SETUP_SETUP (1 << 12) ++#define MFGPT_SETUP_CMP2EVT (3 << 8) ++#define MFGPT_SETUP_CMP1EVT (3 << 6) ++#define MFGPT_SETUP_CLOCK(c) (c << 4) ++#define MFGPT_SETUP_SCALE(scale) scale ++ ++#define MFGPT0_CMP1 mfgpt_base ++#define MFGPT0_CMP2 (mfgpt_base + 0x02) ++#define MFGPT0_CNT (mfgpt_base + 0x04) ++#define MFGPT0_SETUP (mfgpt_base + 0x06) ++ ++#define MFGPT1_CMP1 (mfgpt_base + 0x08) ++#define MFGPT1_CMP2 (mfgpt_base + 0x0A) ++#define MFGPT1_CNT (mfgpt_base + 0x0C) ++#define MFGPT1_SETUP (mfgpt_base + 0x0E) ++ ++#define MFGPT2_CMP1 (mfgpt_base + 0x10) ++#define MFGPT2_CMP2 (mfgpt_base + 0x12) ++#define MFGPT2_CNT (mfgpt_base + 0x14) ++#define MFGPT2_SETUP (mfgpt_base + 0x16) + + #endif /*!_CS5536_MFGPT_H */ +diff --git a/arch/mips/include/asm/mach-loongson/cs5536/cs5536_pci.h b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_pci.h +index 8a7ecb4..ac01334 100644 +--- a/arch/mips/include/asm/mach-loongson/cs5536/cs5536_pci.h ++++ b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_pci.h +@@ -13,6 +13,7 @@ + + #include + #include ++#include + + extern void cs5536_pci_conf_write4(int function, int reg, u32 value); + extern u32 cs5536_pci_conf_read4(int function, int reg); +diff --git a/arch/mips/include/asm/mach-loongson/cs5536/cs5536_vsm.h b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_vsm.h +index 1f17c18..9bc368f0d 100644 +--- a/arch/mips/include/asm/mach-loongson/cs5536/cs5536_vsm.h ++++ b/arch/mips/include/asm/mach-loongson/cs5536/cs5536_vsm.h +@@ -17,15 +17,43 @@ typedef u32 (*cs5536_pci_vsm_read)(int reg); + extern void pci_##name##_write_reg(int reg, u32 value); \ + extern u32 pci_##name##_read_reg(int reg); + ++#define DEFINE_CS5536_MODULE(name) \ ++static void pci_##name##_write_reg(int reg, u32 value) {} \ ++static u32 pci_##name##_read_reg(int reg) { return 0; } ++ ++/* isa module */ ++#ifdef CONFIG_CS5536_ISA ++DECLARE_CS5536_MODULE(isa) ++#else ++DEFINE_CS5536_MODULE(isa) ++#endif ++ + /* ide module */ ++#ifdef CONFIG_CS5536_IDE + DECLARE_CS5536_MODULE(ide) ++#else ++DEFINE_CS5536_MODULE(ide) ++#endif ++ + /* acc module */ ++#ifdef CONFIG_CS5536_AUDIO + DECLARE_CS5536_MODULE(acc) ++#else ++DEFINE_CS5536_MODULE(acc) ++#endif ++ + /* ohci module */ ++#ifdef CONFIG_CS5536_OHCI + DECLARE_CS5536_MODULE(ohci) +-/* isa module */ +-DECLARE_CS5536_MODULE(isa) ++#else ++DEFINE_CS5536_MODULE(ohci) ++#endif ++ + /* ehci module */ ++#ifdef CONFIG_CS5536_EHCI + DECLARE_CS5536_MODULE(ehci) ++#else ++DEFINE_CS5536_MODULE(ehci) ++#endif + + #endif /* _CS5536_VSM_H */ +diff --git a/arch/mips/include/asm/mach-loongson/gpio.h b/arch/mips/include/asm/mach-loongson/gpio.h +index 211a7b7..f15db3c 100644 +--- a/arch/mips/include/asm/mach-loongson/gpio.h ++++ b/arch/mips/include/asm/mach-loongson/gpio.h +@@ -13,12 +13,16 @@ + #ifndef __STLS2F_GPIO_H + #define __STLS2F_GPIO_H + ++#ifdef CONFIG_GPIOLIB ++#define ARCH_NR_GPIOS 4 + #include + + extern void gpio_set_value(unsigned gpio, int value); + extern int gpio_get_value(unsigned gpio); + extern int gpio_cansleep(unsigned gpio); + ++#endif ++ + /* The chip can do interrupt + * but it has not been tested and doc not clear + */ +diff --git a/arch/mips/include/asm/mach-loongson/loongson.h b/arch/mips/include/asm/mach-loongson/loongson.h +index b286534..222d179 100644 +--- a/arch/mips/include/asm/mach-loongson/loongson.h ++++ b/arch/mips/include/asm/mach-loongson/loongson.h +@@ -32,17 +32,13 @@ extern void __init prom_init_memory(void); + extern void __init prom_init_cmdline(void); + extern void __init prom_init_machtype(void); + extern void __init prom_init_env(void); +-#ifdef CONFIG_LOONGSON_UART_BASE +-extern unsigned long _loongson_uart_base, loongson_uart_base; +-extern void prom_init_loongson_uart_base(void); +-#endif ++extern void __init prom_init_uart_base(void); + +-static inline void prom_init_uart_base(void) +-{ +-#ifdef CONFIG_LOONGSON_UART_BASE +- prom_init_loongson_uart_base(); +-#endif +-} ++/* ++ * Copy kernel command line from arcs_cmdline ++ */ ++#include ++extern char loongson_cmdline[COMMAND_LINE_SIZE]; + + /* irq operation functions */ + extern void bonito_irqdispatch(void); +@@ -249,6 +245,12 @@ extern struct cpufreq_frequency_table loongson2_clockmod_table[]; + + /* Chip Config */ + #define LOONGSON_CHIPCFG0 LOONGSON_REG(LOONGSON_REGBASE + 0x80) ++#define LOONGSON_GET_CPUFREQ() (LOONGSON_CHIPCFG0 & 7) ++ ++#define LOONGSON_SET_CPUFREQ(level) do { \ ++ LOONGSON_CHIPCFG0 = (LOONGSON_CHIPCFG0 & (~7)) | (level); \ ++} while (0) ++ + #endif + + /* +diff --git a/arch/mips/include/asm/mach-loongson/machine.h b/arch/mips/include/asm/mach-loongson/machine.h +index 3810d5c..d219499 100644 +--- a/arch/mips/include/asm/mach-loongson/machine.h ++++ b/arch/mips/include/asm/mach-loongson/machine.h +@@ -24,4 +24,10 @@ + + #endif + ++#ifdef CONFIG_DEXXON_GDIUM ++ ++#define LOONGSON_MACHTYPE MACH_DEXXON_GDIUM2F10 ++ ++#endif ++ + #endif /* __ASM_MACH_LOONGSON_MACHINE_H */ +diff --git a/arch/mips/include/asm/mach-loongson1/clock.h b/arch/mips/include/asm/mach-loongson1/clock.h +new file mode 100644 +index 0000000..dd1afdb +--- /dev/null ++++ b/arch/mips/include/asm/mach-loongson1/clock.h +@@ -0,0 +1,53 @@ ++#ifndef __ASM_MACH_LOONGSON1_CLOCK_H ++#define __ASM_MACH_LOONGSON1_CLOCK_H ++ ++#include ++#include ++#include ++#include ++ ++extern void (*cpu_wait) (void); ++ ++struct clk; ++ ++struct clk_ops { ++ void (*init) (struct clk *clk); ++ void (*enable) (struct clk *clk); ++ void (*disable) (struct clk *clk); ++ void (*recalc) (struct clk *clk); ++ int (*set_rate) (struct clk *clk, unsigned long rate, int algo_id); ++ long (*round_rate) (struct clk *clk, unsigned long rate); ++}; ++ ++struct clk { ++ struct list_head node; ++ const char *name; ++ int id; ++ struct module *owner; ++ ++ struct clk *parent; ++ struct clk_ops *ops; ++ ++ struct kref kref; ++ ++ unsigned long rate; ++ unsigned long flags; ++}; ++ ++#define CLK_ALWAYS_ENABLED (1 << 0) ++#define CLK_RATE_PROPAGATES (1 << 1) ++ ++/* Should be defined by processor-specific code */ ++void arch_init_clk_ops(struct clk_ops **, int type); ++ ++int clk_init(void); ++ ++int __clk_enable(struct clk *); ++void __clk_disable(struct clk *); ++ ++void clk_recalc_rate(struct clk *); ++ ++int clk_register(struct clk *); ++void clk_unregister(struct clk *); ++ ++#endif /* __ASM_MIPS_CLOCK_H */ +diff --git a/arch/mips/include/asm/mach-loongson1/regs-intc.h b/arch/mips/include/asm/mach-loongson1/regs-intc.h +new file mode 100644 +index 0000000..6d5db23 +--- /dev/null ++++ b/arch/mips/include/asm/mach-loongson1/regs-intc.h +@@ -0,0 +1,25 @@ ++/* ++ * Copyright (c) 2011 Zhang, Keguang ++ * ++ * Loongson1 Interrupt register definitions. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ */ ++ ++#ifndef __ASM_MACH_LOONGSON1_REGS_INTC_H ++#define __ASM_MACH_LOONGSON1_REGS_INTC_H ++ ++#define LS1X_INTC_REG(n, x) \ ++ (ioremap(LS1X_INTC_BASE + (n * 0x18) + (x), 4)) ++ ++#define LS1X_INTC_INTISR(n) LS1X_INTC_REG(n, 0x0) ++#define LS1X_INTC_INTIEN(n) LS1X_INTC_REG(n, 0x4) ++#define LS1X_INTC_INTSET(n) LS1X_INTC_REG(n, 0x8) ++#define LS1X_INTC_INTCLR(n) LS1X_INTC_REG(n, 0xc) ++#define LS1X_INTC_INTPOL(n) LS1X_INTC_REG(n, 0x10) ++#define LS1X_INTC_INTEDGE(n) LS1X_INTC_REG(n, 0x14) ++ ++#endif /* __ASM_MACH_LOONGSON1_REGS_INTC_H */ +diff --git a/arch/mips/include/asm/module.h b/arch/mips/include/asm/module.h +index 44b705d..c28a782 100644 +--- a/arch/mips/include/asm/module.h ++++ b/arch/mips/include/asm/module.h +@@ -126,6 +126,8 @@ search_module_dbetables(unsigned long addr) + #define MODULE_PROC_FAMILY "LOONGSON1 " + #elif defined CONFIG_CPU_LOONGSON2 + #define MODULE_PROC_FAMILY "LOONGSON2 " ++#elif defined CONFIG_CPU_LOONGSON1 ++#define MODULE_PROC_FAMILY "LOONGSON1 " + #elif defined CONFIG_CPU_CAVIUM_OCTEON + #define MODULE_PROC_FAMILY "OCTEON " + #elif defined CONFIG_CPU_XLR +diff --git a/arch/mips/include/asm/timex.h b/arch/mips/include/asm/timex.h +index c542475..74fef34 100644 +--- a/arch/mips/include/asm/timex.h ++++ b/arch/mips/include/asm/timex.h +@@ -10,6 +10,10 @@ + + #ifdef __KERNEL__ + ++#ifdef CONFIG_CSRC_R4K ++#define ARCH_HAS_PREPARED_LPJ ++#endif ++ + #include + #include + #include +diff --git a/arch/mips/include/uapi/asm/inst.h b/arch/mips/include/uapi/asm/inst.h +index f25181b..d243152 100644 +--- a/arch/mips/include/uapi/asm/inst.h ++++ b/arch/mips/include/uapi/asm/inst.h +@@ -62,6 +62,8 @@ enum spec_op { + enum spec2_op { + madd_op, maddu_op, mul_op, spec2_3_unused_op, + msub_op, msubu_op, /* more unused ops */ ++ loongson_madd_op = 0x18, loongson_msub_op, ++ loongson_nmadd_op, loongson_nmsub_op, + clz_op = 0x20, clo_op, + dclz_op = 0x24, dclo_op, + sdbpp_op = 0x3f +@@ -135,7 +137,7 @@ enum cop0_com_func { + */ + enum cop1_fmt { + s_fmt, d_fmt, e_fmt, q_fmt, +- w_fmt, l_fmt ++ w_fmt, l_fmt, ps_fmt + }; + + /* +@@ -164,7 +166,8 @@ enum cop1_sdw_func { + enum cop1x_func { + lwxc1_op = 0x00, ldxc1_op = 0x01, + swxc1_op = 0x08, sdxc1_op = 0x09, +- pfetch_op = 0x0f, madd_s_op = 0x20, ++ pfetch_op = 0x0f, ++ prefx_op = 0x17, madd_s_op = 0x20, + madd_d_op = 0x21, madd_e_op = 0x22, + msub_s_op = 0x28, msub_d_op = 0x29, + msub_e_op = 0x2a, nmadd_s_op = 0x30, +diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S +index 6788727d..0f81805 100644 +--- a/arch/mips/kernel/scall64-o32.S ++++ b/arch/mips/kernel/scall64-o32.S +@@ -26,6 +26,18 @@ + + .align 5 + NESTED(handle_sys, PT_SIZE, sp) ++#ifdef CONFIG_MIPS_USER_RDTSC ++ MFC0 k0, CP0_EPC ++ lw k1, 0(k0) ++ sltiu k1, k1, 0x1c ++ bne k1, zero, 1f # Normal syscall code: 0x0c < 0x1c ++ nop ++ mfc0 v0, CP0_COUNT # Get TSC ++ PTR_ADDIU k0, 4 # ret from syscall ++ MTC0 k0, CP0_EPC ++ eret ++1: ++#endif /* CONFIG_MIPS_USER_RDTSC */ + .set noat + SAVE_SOME + TRACE_IRQS_ON_RELOAD +diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c +index dcb8e5d..45177bc 100644 +--- a/arch/mips/kernel/time.c ++++ b/arch/mips/kernel/time.c +@@ -120,6 +120,11 @@ static __init int cpu_has_mfc0_count_bug(void) + + void __init time_init(void) + { ++#ifdef CONFIG_HR_SCHED_CLOCK ++ if (!mips_clockevent_init() || !cpu_has_mfc0_count_bug()) ++ write_c0_count(0); ++#endif ++ + plat_time_init(); + + /* +diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile +index eeddc58..d7bec00 100644 +--- a/arch/mips/lib/Makefile ++++ b/arch/mips/lib/Makefile +@@ -2,10 +2,14 @@ + # Makefile for MIPS-specific library files.. + # + +-lib-y += bitops.o csum_partial.o delay.o memcpy.o memset.o \ ++lib-y += bitops.o csum_partial.o memcpy.o memset.o \ + mips-atomic.o strlen_user.o strncpy_user.o \ + strnlen_user.o uncached.o + ++ifndef CONFIG_CSRC_R4K ++lib-y += delay.o ++endif ++ + obj-y += iomap.o + obj-$(CONFIG_PCI) += iomap-pci.o + +diff --git a/arch/mips/loongson/Kconfig b/arch/mips/loongson/Kconfig +index 263beb9..d56d594 100644 +--- a/arch/mips/loongson/Kconfig ++++ b/arch/mips/loongson/Kconfig +@@ -32,12 +32,12 @@ config LEMOTE_FULOONG2E + + config LEMOTE_MACH2F + bool "Lemote Loongson 2F family machines" +- select ARCH_SPARSEMEM_ENABLE ++ select ARCH_SPARSEMEM_ENABLE if HIBERNATION + select BOARD_SCACHE + select BOOT_ELF32 + select CEVT_R4K if ! MIPS_EXTERNAL_TIMER + select CPU_HAS_WB +- select CS5536 ++ select CS5536 if PCI + select CSRC_R4K if ! MIPS_EXTERNAL_TIMER + select DMA_NONCOHERENT + select GENERIC_ISA_DMA_SUPPORT_BROKEN +@@ -45,23 +45,68 @@ config LEMOTE_MACH2F + select HW_HAS_PCI + select I8259 + select IRQ_CPU +- select ISA + select SYS_HAS_CPU_LOONGSON2F + select SYS_HAS_EARLY_PRINTK + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_64BIT_KERNEL +- select SYS_SUPPORTS_HIGHMEM ++ select SYS_SUPPORTS_HIGHMEM if ! EMBEDDED + select SYS_SUPPORTS_LITTLE_ENDIAN +- select LOONGSON_MC146818 ++ select LOONGSON_MC146818 if RTC_DRV_CMOS + help + Lemote Loongson 2F family machines utilize the 2F revision of + Loongson processor and the AMD CS5536 south bridge. + + These family machines include fuloong2f mini PC, yeeloong2f notebook, + LingLoong allinone PC and so forth. ++ ++config DEXXON_GDIUM ++ bool "Dexxon Gdium Netbook" ++ select ARCH_SPARSEMEM_ENABLE ++ select BOARD_SCACHE ++ select BOOT_ELF32 ++ select CEVT_R4K if ! MIPS_EXTERNAL_TIMER ++ select CPU_HAS_WB ++ select CSRC_R4K if ! MIPS_EXTERNAL_TIMER ++ select DMA_NONCOHERENT ++ select GENERIC_ISA_DMA_SUPPORT_BROKEN ++ select HW_HAS_PCI ++ select I8259 ++ select IRQ_CPU ++ select ISA ++ select SYS_HAS_CPU_LOONGSON2F ++ select SYS_HAS_EARLY_PRINTK ++ select SYS_SUPPORTS_32BIT_KERNEL ++ select SYS_SUPPORTS_64BIT_KERNEL ++ select SYS_SUPPORTS_HIGHMEM ++ select SYS_SUPPORTS_LITTLE_ENDIAN ++ select ARCH_REQUIRE_GPIOLIB ++ select HAVE_PWM if MFD_SM501 ++ help ++ Dexxon gdium netbook based on Loongson 2F and SM502. + endchoice + + config CS5536 ++ select CS5536_IDE if (PATA_AMD || BLK_DEV_AMD74XX || PATA_CS5536) ++ select CS5536_OHCI if USB_OHCI_HCD ++ select CS5536_EHCI if USB_EHCI_HCD ++ select CS5536_AUDIO if SND_CS5535AUDIO ++ select CS5536_ISA ++ bool ++ ++config CS5536_ISA ++ select ISA ++ bool ++ ++config CS5536_IDE ++ bool ++ ++config CS5536_OHCI ++ bool ++ ++config CS5536_EHCI ++ bool ++ ++config CS5536_AUDIO + bool + + config CS5536_MFGPT +@@ -81,13 +126,25 @@ config LOONGSON_SUSPEND + default y + depends on CPU_SUPPORTS_CPUFREQ && SUSPEND + +-config LOONGSON_UART_BASE +- bool +- default y +- depends on EARLY_PRINTK || SERIAL_8250 +- + config LOONGSON_MC146818 + bool + default n + ++config GDIUM_PWM_CLOCK ++ tristate "Gdium PWM Timer" ++ default n ++ depends on HAVE_PWM && EXPERIMENTAL && BROKEN ++ select MIPS_EXTERNAL_TIMER ++ help ++ This options enables the experimental sm501-pwm based clock. With it, ++ you may be possible to use the loongson2f cpufreq driver. ++ ++config GDIUM_VERSION ++ int "Configure Gdium Version" ++ depends on DEXXON_GDIUM ++ default "3" ++ help ++ I have no information about how to determine which version your board ++ is, If the default config doesn't work for it, please change it to ++ smaller ones. + endif # MACH_LOONGSON +diff --git a/arch/mips/loongson/Makefile b/arch/mips/loongson/Makefile +index 0dc0055..4b69866 100644 +--- a/arch/mips/loongson/Makefile ++++ b/arch/mips/loongson/Makefile +@@ -15,3 +15,9 @@ obj-$(CONFIG_LEMOTE_FULOONG2E) += fuloong-2e/ + # + + obj-$(CONFIG_LEMOTE_MACH2F) += lemote-2f/ ++ ++# ++# Dexxon gdium netbook, based on loongson 2F and SM502 ++# ++ ++obj-$(CONFIG_DEXXON_GDIUM) += gdium/ +diff --git a/arch/mips/loongson/Platform b/arch/mips/loongson/Platform +index 29692e5..6be5dff 100644 +--- a/arch/mips/loongson/Platform ++++ b/arch/mips/loongson/Platform +@@ -30,3 +30,4 @@ platform-$(CONFIG_MACH_LOONGSON) += loongson/ + cflags-$(CONFIG_MACH_LOONGSON) += -I$(srctree)/arch/mips/include/asm/mach-loongson -mno-branch-likely + load-$(CONFIG_LEMOTE_FULOONG2E) += 0xffffffff80100000 + load-$(CONFIG_LEMOTE_MACH2F) += 0xffffffff80200000 ++load-$(CONFIG_DEXXON_GDIUM) += 0xffffffff80200000 +diff --git a/arch/mips/loongson/common/Makefile b/arch/mips/loongson/common/Makefile +index 9005a8d6..73f1f9f 100644 +--- a/arch/mips/loongson/common/Makefile ++++ b/arch/mips/loongson/common/Makefile +@@ -11,9 +11,7 @@ obj-$(CONFIG_PCI) += pci.o + # Serial port support + # + obj-$(CONFIG_EARLY_PRINTK) += early_printk.o +-loongson-serial-$(CONFIG_SERIAL_8250) := serial.o +-obj-y += $(loongson-serial-m) $(loongson-serial-y) +-obj-$(CONFIG_LOONGSON_UART_BASE) += uart_base.o ++obj-$(CONFIG_SERIAL_8250) += serial.o + obj-$(CONFIG_LOONGSON_MC146818) += rtc.o + + # +diff --git a/arch/mips/loongson/common/cmdline.c b/arch/mips/loongson/common/cmdline.c +index 72fed00..96d5919 100644 +--- a/arch/mips/loongson/common/cmdline.c ++++ b/arch/mips/loongson/common/cmdline.c +@@ -17,10 +17,15 @@ + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ ++#include + #include + + #include + ++/* the kernel command line copied from arcs_cmdline */ ++char loongson_cmdline[COMMAND_LINE_SIZE]; ++EXPORT_SYMBOL(loongson_cmdline); ++ + void __init prom_init_cmdline(void) + { + int prom_argc; +@@ -45,4 +50,31 @@ void __init prom_init_cmdline(void) + } + + prom_init_machtype(); ++ ++ /* append machine specific command line */ ++ switch (mips_machtype) { ++ case MACH_LEMOTE_LL2F: ++ if ((strstr(arcs_cmdline, "video=")) == NULL) ++ strcat(arcs_cmdline, " video=sisfb:1360x768-16@60"); ++ break; ++ case MACH_LEMOTE_FL2F: ++ if ((strstr(arcs_cmdline, "ide_core.ignore_cable=")) == NULL) ++ strcat(arcs_cmdline, " ide_core.ignore_cable=0"); ++ break; ++ case MACH_LEMOTE_ML2F7: ++ /* Mengloong-2F has a 800x480 screen */ ++ if ((strstr(arcs_cmdline, "vga=")) == NULL) ++ strcat(arcs_cmdline, " vga=0x313"); ++ break; ++ case MACH_DEXXON_GDIUM2F10: ++ /* gdium has a 1024x600 screen */ ++ if ((strstr(arcs_cmdline, "video=")) == NULL) ++ strcat(arcs_cmdline, " video=sm501fb:1024x600@60"); ++ break; ++ default: ++ break; ++ } ++ ++ /* copy arcs_cmdline into loongson_cmdline */ ++ strncpy(loongson_cmdline, arcs_cmdline, COMMAND_LINE_SIZE); + } +diff --git a/arch/mips/loongson/common/cs5536/Makefile b/arch/mips/loongson/common/cs5536/Makefile +index f12e640..70f6057 100644 +--- a/arch/mips/loongson/common/cs5536/Makefile ++++ b/arch/mips/loongson/common/cs5536/Makefile +@@ -2,8 +2,13 @@ + # Makefile for CS5536 support. + # + +-obj-$(CONFIG_CS5536) += cs5536_pci.o cs5536_ide.o cs5536_acc.o cs5536_ohci.o \ +- cs5536_isa.o cs5536_ehci.o ++obj-$(CONFIG_CS5536) += cs5536_pci.o ++ ++obj-$(CONFIG_ISA) += cs5536_isa.o ++obj-$(CONFIG_CS5536_IDE) += cs5536_ide.o ++obj-$(CONFIG_CS5536_AUDIO) += cs5536_acc.o ++obj-$(CONFIG_CS5536_OHCI) += cs5536_ohci.o ++obj-$(CONFIG_CS5536_EHCI) += cs5536_ehci.o + + # + # Enable cs5536 mfgpt Timer +diff --git a/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c b/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c +index c639b9d..a7078ae 100644 +--- a/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c ++++ b/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c +@@ -7,6 +7,9 @@ + * Copyright (C) 2009 Lemote Inc. + * Author: Wu zhangjin, wuzhangjin@gmail.com + * ++ * Copyright (C) 2010 Lemote Inc. ++ * Author: Gang Liang, randomizedthinking@gmail.com ++ * + * Reference: AMD Geode(TM) CS5536 Companion Device Data Book + * + * This program is free software; you can redistribute it and/or modify it +@@ -15,11 +18,24 @@ + * option) any later version. + */ + ++/* ++ * The MFGPT base address is variable, i.e., it could change over time. In ++ * reality, it only changes once when setting up the PCI memory mapping (occurs ++ * about 0.2 second from boot). But because of this, we have to read in the ++ * mfgpt base address repeatly in the beginning of various routines, most ++ * noticeably, mfgpt1_read_cycle (for sched_clock), and mfgpt1_interrupt. ++ * ++ * The source of problem is that PMON and the current cs5536 set up pci ++ * register window differently (to be further confirmed). Can we set ++ * them the same so as to save the trouble here? ++ * ++ * Now an ugly hack is used to save a few CPU cycles... likely an ++ * over-optimization. Feel free to remove it. ++ */ ++ + #include + #include + #include +-#include +-#include + #include + #include + +@@ -27,108 +43,143 @@ + + #include + +-DEFINE_SPINLOCK(mfgpt_lock); +-EXPORT_SYMBOL(mfgpt_lock); ++static void mfgpt0_set_mode(enum clock_event_mode, struct clock_event_device*); ++static int mfgpt0_next_event(unsigned long, struct clock_event_device*); ++static irqreturn_t mfgpt0_interrupt(int irq, void *dev_id); ++static void mfgpt0_start_timer(u16 delta); + ++static cycle_t mfgpt1_read_cycle(struct clocksource *cs); ++ ++static enum clock_event_mode mfgpt0_mode = CLOCK_EVT_MODE_SHUTDOWN; + static u32 mfgpt_base; + +-/* +- * Initialize the MFGPT timer. +- * +- * This is also called after resume to bring the MFGPT into operation again. +- */ ++static struct clock_event_device mfgpt0_clockevent = { ++ .name = "mfgpt0", ++ .features = CLOCK_EVT_MODE_ONESHOT | CLOCK_EVT_FEAT_PERIODIC, ++ .set_mode = mfgpt0_set_mode, ++ .set_next_event = mfgpt0_next_event, ++ .rating = 220, ++ .irq = CS5536_MFGPT_INTR, ++}; ++ ++static struct irqaction irq5 = { ++ .handler = mfgpt0_interrupt, ++ .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_TIMER, ++ .name = "mfgpt0-timer" ++}; ++ ++static struct clocksource mfgpt1_clocksource = { ++ .name = "mfgpt1", ++ .rating = 210, ++ .read = mfgpt1_read_cycle, ++ .mask = CLOCKSOURCE_MASK(16), ++ .flags = CLOCK_SOURCE_IS_CONTINUOUS ++}; + +-/* disable counter */ +-void disable_mfgpt0_counter(void) ++static inline void enable_mfgpt0_counter(void) + { +- outw(inw(MFGPT0_SETUP) & 0x7fff, MFGPT0_SETUP); ++ u32 basehi; ++ _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_MFGPT), &basehi, &mfgpt_base); ++ ++ /* clockevent: 14M, divisor = 8 (scale=3), CMP2 event mode */ ++ outw(MFGPT_SETUP_ACK | MFGPT_SETUP_CMP2EVT | ++ MFGPT_SETUP_CLOCK(1) | MFGPT_SETUP_SCALE(3), MFGPT0_SETUP); ++ outw(0, MFGPT0_CNT); ++ outw(MFGPT_COMPARE(1, 3), MFGPT0_CMP2); ++ outw(0xFFFF, MFGPT0_SETUP); + } +-EXPORT_SYMBOL(disable_mfgpt0_counter); + +-/* enable counter, comparator2 to event mode, 14.318MHz clock */ +-void enable_mfgpt0_counter(void) ++static inline void enable_mfgpt1_counter(void) + { +- outw(0xe310, MFGPT0_SETUP); ++ u32 basehi; ++ _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_MFGPT), &basehi, &mfgpt_base); ++ ++ /* clocksource: 32K w/ divisor = 2 (scale=1) */ ++ outw(MFGPT_SETUP_ACK | MFGPT_SETUP_CLOCK(0) | ++ MFGPT_SETUP_SCALE(1), MFGPT1_SETUP); ++ ++ outw(0, MFGPT1_CNT); ++ outw(0xFFFF, MFGPT1_CMP2); /* CNT won't tick with no CMP set */ ++ outw(0xFFFF, MFGPT1_SETUP); + } +-EXPORT_SYMBOL(enable_mfgpt0_counter); + +-static void init_mfgpt_timer(enum clock_event_mode mode, +- struct clock_event_device *evt) ++void enable_mfgpt_counter(void) + { +- spin_lock(&mfgpt_lock); +- +- switch (mode) { +- case CLOCK_EVT_MODE_PERIODIC: +- outw(COMPARE, MFGPT0_CMP2); /* set comparator2 */ +- outw(0, MFGPT0_CNT); /* set counter to 0 */ +- enable_mfgpt0_counter(); +- break; +- +- case CLOCK_EVT_MODE_SHUTDOWN: +- case CLOCK_EVT_MODE_UNUSED: +- if (evt->mode == CLOCK_EVT_MODE_PERIODIC || +- evt->mode == CLOCK_EVT_MODE_ONESHOT) +- disable_mfgpt0_counter(); +- break; +- +- case CLOCK_EVT_MODE_ONESHOT: +- /* The oneshot mode have very high deviation, Not use it! */ +- break; +- +- case CLOCK_EVT_MODE_RESUME: +- /* Nothing to do here */ +- break; +- } +- spin_unlock(&mfgpt_lock); ++ /* TODO: add a mfgpt system hard reset here ++ * timers might not reset correctly when OS crashes ++ */ ++ ++ enable_mfgpt0_counter(); ++ enable_mfgpt1_counter(); + } ++EXPORT_SYMBOL(enable_mfgpt_counter); + +-static struct clock_event_device mfgpt_clockevent = { +- .name = "mfgpt", +- .features = CLOCK_EVT_FEAT_PERIODIC, +- .set_mode = init_mfgpt_timer, +- .irq = CS5536_MFGPT_INTR, +-}; ++void disable_mfgpt_counter(void) ++{ ++ outw(0x7FFF, MFGPT0_SETUP); ++ outw(0x7FFF, MFGPT1_SETUP); ++} ++EXPORT_SYMBOL(disable_mfgpt_counter); + +-static irqreturn_t timer_interrupt(int irq, void *dev_id) ++static void mfgpt0_start_timer(u16 delta) + { +- u32 basehi; ++ outw(0x7FFF, MFGPT0_SETUP); ++ outw(0, MFGPT0_CNT); ++ outw(delta, MFGPT0_CMP2); ++ outw(0xFFFF, MFGPT0_SETUP); ++} + +- /* +- * get MFGPT base address +- * +- * NOTE: do not remove me, it's need for the value of mfgpt_base is +- * variable +- */ ++static void mfgpt0_set_mode(enum clock_event_mode mode, ++ struct clock_event_device *evt) ++{ ++ outw(0x7FFF, MFGPT0_SETUP); ++ if (mode == CLOCK_EVT_MODE_PERIODIC) ++ mfgpt0_start_timer(MFGPT_COMPARE(1, 3)); ++ ++ mfgpt0_mode = mode; ++} ++ ++static int mfgpt0_next_event(unsigned long delta, ++ struct clock_event_device *evt) ++{ ++ mfgpt0_start_timer(delta); ++ return 0; ++} ++ ++static irqreturn_t mfgpt0_interrupt(int irq, void *dev_id) ++{ ++ u32 basehi; + _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_MFGPT), &basehi, &mfgpt_base); + +- /* ack */ +- outw(inw(MFGPT0_SETUP) | 0x4000, MFGPT0_SETUP); ++ /* stop the timer and ack the interrupt */ ++ outw(0x7FFF, MFGPT0_SETUP); + +- mfgpt_clockevent.event_handler(&mfgpt_clockevent); ++ if (mfgpt0_mode == CLOCK_EVT_MODE_SHUTDOWN) ++ return IRQ_HANDLED; + ++ /* restart timer for periodic mode */ ++ if (mfgpt0_mode == CLOCK_EVT_MODE_PERIODIC) ++ outw(0xFFFF, MFGPT0_SETUP); ++ ++ mfgpt0_clockevent.event_handler(&mfgpt0_clockevent); + return IRQ_HANDLED; + } + +-static struct irqaction irq5 = { +- .handler = timer_interrupt, +- .flags = IRQF_NOBALANCING | IRQF_TIMER, +- .name = "timer" +-}; +- + /* + * Initialize the conversion factor and the min/max deltas of the clock event + * structure and register the clock event source with the framework. + */ + void __init setup_mfgpt0_timer(void) + { +- u32 basehi; +- struct clock_event_device *cd = &mfgpt_clockevent; ++ struct clock_event_device *cd = &mfgpt0_clockevent; + unsigned int cpu = smp_processor_id(); +- + cd->cpumask = cpumask_of(cpu); +- clockevent_set_clock(cd, MFGPT_TICK_RATE); +- cd->max_delta_ns = clockevent_delta2ns(0xffff, cd); +- cd->min_delta_ns = clockevent_delta2ns(0xf, cd); ++ ++ cd->shift = 22; ++ cd->mult = div_sc(MFGPT_TICK_RATE(1, 3), NSEC_PER_SEC, cd->shift); ++ ++ cd->min_delta_ns = clockevent_delta2ns(0xF, cd); ++ cd->max_delta_ns = clockevent_delta2ns(0xFFFF, cd); + + /* Enable MFGPT0 Comparator 2 Output to the Interrupt Mapper */ + _wrmsr(DIVIL_MSR_REG(MFGPT_IRQ), 0, 0x100); +@@ -136,79 +187,24 @@ void __init setup_mfgpt0_timer(void) + /* Enable Interrupt Gate 5 */ + _wrmsr(DIVIL_MSR_REG(PIC_ZSEL_LOW), 0, 0x50000); + +- /* get MFGPT base address */ +- _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_MFGPT), &basehi, &mfgpt_base); +- ++ enable_mfgpt0_counter(); + clockevents_register_device(cd); +- + setup_irq(CS5536_MFGPT_INTR, &irq5); + } + +-/* +- * Since the MFGPT overflows every tick, its not very useful +- * to just read by itself. So use jiffies to emulate a free +- * running counter: +- */ +-static cycle_t mfgpt_read(struct clocksource *cs) ++static cycle_t mfgpt1_read_cycle(struct clocksource *cs) + { +- unsigned long flags; +- int count; +- u32 jifs; +- static int old_count; +- static u32 old_jifs; +- +- spin_lock_irqsave(&mfgpt_lock, flags); +- /* +- * Although our caller may have the read side of xtime_lock, +- * this is now a seqlock, and we are cheating in this routine +- * by having side effects on state that we cannot undo if +- * there is a collision on the seqlock and our caller has to +- * retry. (Namely, old_jifs and old_count.) So we must treat +- * jiffies as volatile despite the lock. We read jiffies +- * before latching the timer count to guarantee that although +- * the jiffies value might be older than the count (that is, +- * the counter may underflow between the last point where +- * jiffies was incremented and the point where we latch the +- * count), it cannot be newer. +- */ +- jifs = jiffies; +- /* read the count */ +- count = inw(MFGPT0_CNT); +- +- /* +- * It's possible for count to appear to go the wrong way for this +- * reason: +- * +- * The timer counter underflows, but we haven't handled the resulting +- * interrupt and incremented jiffies yet. +- * +- * Previous attempts to handle these cases intelligently were buggy, so +- * we just do the simple thing now. +- */ +- if (count < old_count && jifs == old_jifs) +- count = old_count; +- +- old_count = count; +- old_jifs = jifs; +- +- spin_unlock_irqrestore(&mfgpt_lock, flags); +- +- return (cycle_t) (jifs * COMPARE) + count; ++ return inw(MFGPT1_CNT); + } + +-static struct clocksource clocksource_mfgpt = { +- .name = "mfgpt", +- .rating = 120, /* Functional for real use, but not desired */ +- .read = mfgpt_read, +- .mask = CLOCKSOURCE_MASK(32), +-}; +- +-int __init init_mfgpt_clocksource(void) ++int __init init_mfgpt1_clocksource(void) + { + if (num_possible_cpus() > 1) /* MFGPT does not scale! */ + return 0; + +- return clocksource_register_hz(&clocksource_mfgpt, MFGPT_TICK_RATE); ++ enable_mfgpt1_counter(); ++ ++ return clocksource_register_hz(&mfgpt1_clocksource, MFGPT_TICK_RATE(0, 1)); + } + +-arch_initcall(init_mfgpt_clocksource); ++arch_initcall(init_mfgpt1_clocksource); +diff --git a/arch/mips/loongson/common/early_printk.c b/arch/mips/loongson/common/early_printk.c +index ced461b..89aecbf 100644 +--- a/arch/mips/loongson/common/early_printk.c ++++ b/arch/mips/loongson/common/early_printk.c +@@ -10,9 +10,13 @@ + * option) any later version. + */ + #include ++#include ++#include + + #include + ++unsigned long _loongson_uart_base; ++ + #define PORT(base, offset) (u8 *)(base + offset) + + static inline unsigned int serial_in(unsigned char *base, int offset) +@@ -39,3 +43,29 @@ void prom_putchar(char c) + + serial_out(uart_base, UART_TX, c); + } ++ ++void __init prom_init_uart_base(void) ++{ ++ unsigned long loongson_uart_base; ++ ++ switch (mips_machtype) { ++ case MACH_LEMOTE_FL2E: ++ loongson_uart_base = LOONGSON_PCIIO_BASE + 0x3f8; ++ break; ++ case MACH_LEMOTE_FL2F: ++ case MACH_LEMOTE_LL2F: ++ loongson_uart_base = LOONGSON_PCIIO_BASE + 0x2f8; ++ break; ++ case MACH_LEMOTE_ML2F7: ++ case MACH_LEMOTE_YL2F89: ++ case MACH_DEXXON_GDIUM2F10: ++ case MACH_LEMOTE_NAS: ++ default: ++ /* The CPU provided serial port */ ++ loongson_uart_base = LOONGSON_LIO1_BASE + 0x3f8; ++ break; ++ } ++ ++ _loongson_uart_base = ++ (unsigned long)ioremap_nocache(loongson_uart_base, 8); ++} +diff --git a/arch/mips/loongson/common/init.c b/arch/mips/loongson/common/init.c +index ae7af1f..3083978 100644 +--- a/arch/mips/loongson/common/init.c ++++ b/arch/mips/loongson/common/init.c +@@ -30,8 +30,10 @@ void __init prom_init(void) + prom_init_env(); + prom_init_memory(); + ++#ifdef CONFIG_EARLY_PRINTK + /*init the uart base address */ + prom_init_uart_base(); ++#endif + } + + void __init prom_free_prom_memory(void) +diff --git a/arch/mips/loongson/common/irq.c b/arch/mips/loongson/common/irq.c +index 687003b..d62fa77 100644 +--- a/arch/mips/loongson/common/irq.c ++++ b/arch/mips/loongson/common/irq.c +@@ -10,6 +10,10 @@ + #include + #include + ++#include ++#include ++#include ++ + #include + /* + * the first level int-handler will jump here if it is a bonito irq +@@ -48,20 +52,32 @@ asmlinkage void plat_irq_dispatch(void) + void __init arch_init_irq(void) + { + /* +- * Clear all of the interrupts while we change the able around a bit. +- * int-handler is not on bootstrap ++ * The vector addresses of the generic exceptions are in the cached ++ * address space. + */ +- clear_c0_status(ST0_IM | ST0_BEV); ++ clear_c0_status(ST0_BEV); + +- /* no steer */ ++ /* No steer */ + LOONGSON_INTSTEER = 0; + + /* +- * Mask out all interrupt by writing "1" to all bit position in +- * the interrupt reset reg. ++ * Clear all interrupts + */ + LOONGSON_INTENCLR = ~0; + ++ /* ++ * Sets the first-level interrupt dispatcher: ++ * ++ * 0-15: i8259 interrupt (If CONFIG_I8259 selected) ++ * 16-23: mips cpu interrupt ++ * 32-63: bonito irq ++ */ ++ mips_cpu_irq_init(); ++ bonito_irq_init(); ++#ifdef CONFIG_I8259 ++ init_i8259_irqs(); ++#endif ++ + /* machine specific irq init */ + mach_init_irq(); + } +diff --git a/arch/mips/loongson/common/mem.c b/arch/mips/loongson/common/mem.c +index 8626a42..7aea259 100644 +--- a/arch/mips/loongson/common/mem.c ++++ b/arch/mips/loongson/common/mem.c +@@ -14,39 +14,24 @@ + #include + #include + ++#define MB(x) ((x) << 20) ++ + void __init prom_init_memory(void) + { +- add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM); +- +- add_memory_region(memsize << 20, LOONGSON_PCI_MEM_START - (memsize << +- 20), BOOT_MEM_RESERVED); +- ++ add_memory_region(0x0, MB(memsize), BOOT_MEM_RAM); ++ add_memory_region(MB(memsize), LOONGSON_PCI_MEM_START - MB(memsize), BOOT_MEM_RESERVED); + #ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG +- { +- int bit; +- +- bit = fls(memsize + highmemsize); +- if (bit != ffs(memsize + highmemsize)) +- bit += 20; +- else +- bit = bit + 20 - 1; +- +- /* set cpu window3 to map CPU to DDR: 2G -> 2G */ +- LOONGSON_ADDRWIN_CPUTODDR(ADDRWIN_WIN3, 0x80000000ul, +- 0x80000000ul, (1 << bit)); +- mmiowb(); +- } +-#endif /* !CONFIG_CPU_SUPPORTS_ADDRWINCFG */ ++ /* set cpu window3 to map CPU to DDR: 2G -> 0G */ ++ LOONGSON_ADDRWIN_CPUTODDR(ADDRWIN_WIN3, 0x80000000ul, 0, MB(memsize + highmemsize)); ++ mmiowb(); ++#endif + + #ifdef CONFIG_64BIT + if (highmemsize > 0) +- add_memory_region(LOONGSON_HIGHMEM_START, +- highmemsize << 20, BOOT_MEM_RAM); +- ++ add_memory_region(LOONGSON_HIGHMEM_START, MB(highmemsize), BOOT_MEM_RAM); + add_memory_region(LOONGSON_PCI_MEM_END + 1, LOONGSON_HIGHMEM_START - +- LOONGSON_PCI_MEM_END - 1, BOOT_MEM_RESERVED); +- +-#endif /* !CONFIG_64BIT */ ++ LOONGSON_PCI_MEM_END - 1, BOOT_MEM_RESERVED); ++#endif + } + + /* override of arch/mips/mm/cache.c: __uncached_access */ +diff --git a/arch/mips/loongson/common/mtd.c b/arch/mips/loongson/common/mtd.c +new file mode 100644 +index 0000000..49a57a7 +--- /dev/null ++++ b/arch/mips/loongson/common/mtd.c +@@ -0,0 +1,91 @@ ++/* ++ * Driver for flushing/dumping ROM of PMON on loongson family machines ++ * ++ * Copyright (C) 2008-2009 Lemote Inc. ++ * Author: Yan Hua ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#include ++ ++#include ++ ++#define FLASH_PHYS_ADDR LOONGSON_BOOT_BASE ++#define FLASH_SIZE 0x080000 ++ ++#define FLASH_PARTITION0_ADDR 0x00000000 ++#define FLASH_PARTITION0_SIZE 0x00080000 ++ ++struct map_info flash_map = { ++ .name = "flash device", ++ .size = FLASH_SIZE, ++ .bankwidth = 1, ++}; ++ ++struct mtd_partition flash_parts[] = { ++ { ++ .name = "Bootloader", ++ .offset = FLASH_PARTITION0_ADDR, ++ .size = FLASH_PARTITION0_SIZE}, ++}; ++ ++#define PARTITION_COUNT ARRAY_SIZE(flash_parts) ++ ++static struct mtd_info *mymtd; ++ ++int __init init_flash(void) ++{ ++ printk(KERN_NOTICE "flash device: %x at %x\n", ++ FLASH_SIZE, FLASH_PHYS_ADDR); ++ ++ flash_map.phys = FLASH_PHYS_ADDR; ++ flash_map.virt = ioremap(FLASH_PHYS_ADDR, FLASH_SIZE); ++ ++ if (!flash_map.virt) { ++ printk(KERN_NOTICE "Failed to ioremap\n"); ++ return -EIO; ++ } ++ ++ simple_map_init(&flash_map); ++ ++ mymtd = do_map_probe("cfi_probe", &flash_map); ++ if (mymtd) { ++ add_mtd_partitions(mymtd, flash_parts, PARTITION_COUNT); ++ printk(KERN_NOTICE "pmon flash device initialized\n"); ++ return 0; ++ } ++ ++ iounmap((void *)flash_map.virt); ++ return -ENXIO; ++} ++ ++static void __exit cleanup_flash(void) ++{ ++ if (mymtd) { ++ del_mtd_partitions(mymtd); ++ map_destroy(mymtd); ++ } ++ if (flash_map.virt) { ++ iounmap((void *)flash_map.virt); ++ flash_map.virt = 0; ++ } ++} ++ ++module_init(init_flash); ++module_exit(cleanup_flash); ++ ++MODULE_LICENSE("GPL"); ++MODULE_AUTHOR("Yanhua "); ++MODULE_DESCRIPTION("MTD driver for pmon flushing/dumping"); +diff --git a/arch/mips/loongson/common/pci.c b/arch/mips/loongson/common/pci.c +index fa77844..a992931 100644 +--- a/arch/mips/loongson/common/pci.c ++++ b/arch/mips/loongson/common/pci.c +@@ -50,11 +50,11 @@ static void __init setup_pcimap(void) + LOONGSON_PCIMAP_WIN(0, 0); + + /* +- * PCI-DMA to local mapping: [2G,2G+256M] -> [0M,256M] ++ * PCI-DMA to local mapping: [2G,4G] -> [0M,2G] + */ + LOONGSON_PCIBASE0 = 0x80000000ul; /* base: 2G -> mmap: 0M */ +- /* size: 256M, burst transmission, pre-fetch enable, 64bit */ +- LOONGSON_PCI_HIT0_SEL_L = 0xc000000cul; ++ /* size: 2G, burst transmission, pre-fetch enable, 64bit */ ++ LOONGSON_PCI_HIT0_SEL_L = 0x8000000cul; + LOONGSON_PCI_HIT0_SEL_H = 0xfffffffful; + LOONGSON_PCI_HIT1_SEL_L = 0x00000006ul; /* set this BAR as invalid */ + LOONGSON_PCI_HIT1_SEL_H = 0x00000000ul; +diff --git a/arch/mips/loongson/common/serial.c b/arch/mips/loongson/common/serial.c +index 5f2b78a..c828600 100644 +--- a/arch/mips/loongson/common/serial.c ++++ b/arch/mips/loongson/common/serial.c +@@ -10,6 +10,7 @@ + * Author: Wu Zhangjin (wuzhangjin@gmail.com) + */ + ++#include + #include + #include + #include +@@ -19,58 +20,44 @@ + #include + #include + +-#define PORT(int) \ ++#define PORT(int, base_baud, io_type, port) \ + { \ + .irq = int, \ +- .uartclk = 1843200, \ +- .iotype = UPIO_PORT, \ ++ .uartclk = base_baud, \ ++ .iotype = io_type, \ + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, \ + .regshift = 0, \ ++ .iobase = port, \ + } + +-#define PORT_M(int) \ +-{ \ +- .irq = MIPS_CPU_IRQ_BASE + (int), \ +- .uartclk = 3686400, \ +- .iotype = UPIO_MEM, \ +- .membase = (void __iomem *)NULL, \ +- .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, \ +- .regshift = 0, \ +-} +- +-static struct plat_serial8250_port uart8250_data[][2] = { +- [MACH_LOONGSON_UNKNOWN] {}, +- [MACH_LEMOTE_FL2E] {PORT(4), {} }, +- [MACH_LEMOTE_FL2F] {PORT(3), {} }, +- [MACH_LEMOTE_ML2F7] {PORT_M(3), {} }, +- [MACH_LEMOTE_YL2F89] {PORT_M(3), {} }, +- [MACH_DEXXON_GDIUM2F10] {PORT_M(3), {} }, +- [MACH_LEMOTE_NAS] {PORT_M(3), {} }, +- [MACH_LEMOTE_LL2F] {PORT(3), {} }, +- [MACH_LOONGSON_END] {}, ++static struct plat_serial8250_port uart8250_data[] = { ++ /* ttyS0: cpu_uart0 Yeeloong, Gdium, UNAS, ... */ ++ PORT((MIPS_CPU_IRQ_BASE + 3), 3686400, UPIO_MEM, 0x3f8), ++ /* ttyS1: sb_uart1 2E */ ++ PORT(4, 1843200, UPIO_PORT, 0x3f8), ++ /* ttyS2: sb_uart2 fuloong2f */ ++ PORT(3, 1843200, UPIO_PORT, 0x2f8), ++ {}, + }; + + static struct platform_device uart8250_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, ++ .dev = { ++ .platform_data = uart8250_data, ++ }, + }; + + static int __init serial_init(void) + { +- unsigned char iotype; +- +- iotype = uart8250_data[mips_machtype][0].iotype; +- +- if (UPIO_MEM == iotype) +- uart8250_data[mips_machtype][0].membase = +- (void __iomem *)_loongson_uart_base; +- else if (UPIO_PORT == iotype) +- uart8250_data[mips_machtype][0].iobase = +- loongson_uart_base - LOONGSON_PCIIO_BASE; +- +- uart8250_device.dev.platform_data = uart8250_data[mips_machtype]; ++ uart8250_data[0].membase = (void __iomem *)ioremap_nocache( ++ LOONGSON_LIO1_BASE + uart8250_data[0].iobase, 8); + +- return platform_device_register(&uart8250_device); ++ platform_device_register(&uart8250_device); ++ return 0; + } + + device_initcall(serial_init); ++MODULE_LICENSE("GPL"); ++MODULE_AUTHOR("liu shiwei "); ++MODULE_DESCRIPTION("loongson serial"); +diff --git a/arch/mips/loongson/common/time.c b/arch/mips/loongson/common/time.c +index 262a1f6..eebbeef 100644 +--- a/arch/mips/loongson/common/time.c ++++ b/arch/mips/loongson/common/time.c +@@ -10,6 +10,8 @@ + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ ++#include ++ + #include + #include + +@@ -24,8 +26,81 @@ void __init plat_time_init(void) + setup_mfgpt0_timer(); + } + ++#ifdef CONFIG_LOONGSON_MC146818 + void read_persistent_clock(struct timespec *ts) + { + ts->tv_sec = mc146818_get_cmos_time(); + ts->tv_nsec = 0; + } ++#else ++ ++/* If no CMOS RTC, use the one below */ ++ ++/* ++ * Cloned from drivers/rtc/hctosys.c ++ * ++ * If CONFIG_RTC_HCTOSYS=y is enabled, the system time can be set from the ++ * hardware clock(when boot and resuming from suspend), this may be also done ++ * (duplicately) by the timekeeper, which may need to be avoided(TODO). ++ * ++ * read_persistent_clock() may be useful in some places, e.g. there is not ++ * peristent clock in the system, we can use this to recover the system time. ++ * ++ * Note: The device indicated by CONFIG_RTC_HCTOSYS_DEVICE must be the one ++ * created by the RTC driver. Use Gdium as an example, We must disable the ++ * rt_cmos driver If we want to use the rtc_m41t80 driver for ++ * CONFIG_RTC_HCTOSYS_DEVICE is configured as /dev/rtc0, if rtc_cmos is ++ * enabled, rtc_cmos driver will be used, but it is not supported by Gdium. ++ * So, for Gdium, please ensure "# CONFIG_RTC_DRV_CMOS is not set" ++ */ ++ ++#ifdef CONFIG_RTC_HCTOSYS ++void read_persistent_clock(struct timespec *ts) ++{ ++ int err = -ENODEV; ++ struct rtc_time tm; ++ struct rtc_device *rtc; ++ ++ /* We can not access the RTC device before it is initialized ... */ ++ if (rtc_hctosys_ret != 0) { ++ ts->tv_sec = 0; ++ ts->tv_nsec = 0; ++ return; ++ } ++ ++ rtc = rtc_class_open(CONFIG_RTC_HCTOSYS_DEVICE); ++ ++ if (rtc == NULL) { ++ pr_err("%s: unable to open rtc device (%s)\n", ++ __FILE__, CONFIG_RTC_HCTOSYS_DEVICE); ++ goto err_open; ++ } ++ ++ err = rtc_read_time(rtc, &tm); ++ if (err) { ++ dev_err(rtc->dev.parent, ++ "hctosys: unable to read the hardware clock\n"); ++ goto err_read; ++ ++ } ++ ++ err = rtc_valid_tm(&tm); ++ if (err) { ++ dev_err(rtc->dev.parent, ++ "hctosys: invalid date/time\n"); ++ goto err_invalid; ++ } ++ ++ ts->tv_nsec = NSEC_PER_SEC >> 1, ++ rtc_tm_to_time(&tm, &ts->tv_sec); ++ ++err_invalid: ++err_read: ++ rtc_class_close(rtc); ++ ++err_open: ++ rtc_hctosys_ret = err; ++} ++#endif /* CONFIG_RTC_HCTOSYS */ ++ ++#endif /* !CONFIG_LOONGSON_MC146818 */ +diff --git a/arch/mips/loongson/common/uart_base.c b/arch/mips/loongson/common/uart_base.c +deleted file mode 100644 +index e192ad0..0000000 +--- a/arch/mips/loongson/common/uart_base.c ++++ /dev/null +@@ -1,45 +0,0 @@ +-/* +- * Copyright (C) 2009 Lemote Inc. +- * Author: Wu Zhangjin, wuzhangjin@gmail.com +- * +- * This program is free software; you can redistribute it and/or modify it +- * under the terms of the GNU General Public License as published by the +- * Free Software Foundation; either version 2 of the License, or (at your +- * option) any later version. +- */ +- +-#include +-#include +- +-#include +- +-/* ioremapped */ +-unsigned long _loongson_uart_base; +-EXPORT_SYMBOL(_loongson_uart_base); +-/* raw */ +-unsigned long loongson_uart_base; +-EXPORT_SYMBOL(loongson_uart_base); +- +-void prom_init_loongson_uart_base(void) +-{ +- switch (mips_machtype) { +- case MACH_LEMOTE_FL2E: +- loongson_uart_base = LOONGSON_PCIIO_BASE + 0x3f8; +- break; +- case MACH_LEMOTE_FL2F: +- case MACH_LEMOTE_LL2F: +- loongson_uart_base = LOONGSON_PCIIO_BASE + 0x2f8; +- break; +- case MACH_LEMOTE_ML2F7: +- case MACH_LEMOTE_YL2F89: +- case MACH_DEXXON_GDIUM2F10: +- case MACH_LEMOTE_NAS: +- default: +- /* The CPU provided serial port */ +- loongson_uart_base = LOONGSON_LIO1_BASE + 0x3f8; +- break; +- } +- +- _loongson_uart_base = +- (unsigned long)ioremap_nocache(loongson_uart_base, 8); +-} +diff --git a/arch/mips/loongson/fuloong-2e/irq.c b/arch/mips/loongson/fuloong-2e/irq.c +index ef5ec8f..232930e 100644 +--- a/arch/mips/loongson/fuloong-2e/irq.c ++++ b/arch/mips/loongson/fuloong-2e/irq.c +@@ -9,7 +9,6 @@ + */ + #include + +-#include + #include + + #include +@@ -57,11 +56,6 @@ void __init mach_init_irq(void) + LOONGSON_INTEDGE = LOONGSON_ICU_SYSTEMERR | LOONGSON_ICU_MASTERERR | + LOONGSON_ICU_RETRYERR | LOONGSON_ICU_MBOXES; + +- /* Sets the first-level interrupt dispatcher. */ +- mips_cpu_irq_init(); +- init_i8259_irqs(); +- bonito_irq_init(); +- + /* bonito irq at IP2 */ + setup_irq(MIPS_CPU_IRQ_BASE + 2, &cascade_irqaction); + /* 8259 irq at IP5 */ +diff --git a/arch/mips/loongson/gdium/Makefile b/arch/mips/loongson/gdium/Makefile +new file mode 100644 +index 0000000..f3f4f51 +--- /dev/null ++++ b/arch/mips/loongson/gdium/Makefile +@@ -0,0 +1,6 @@ ++# Makefile for gdium ++ ++obj-y += irq.o reset.o platform.o ++ ++obj-$(CONFIG_MFD_SM501) += sm501-pwm.o ++obj-$(CONFIG_GDIUM_PWM_CLOCK) += gdium-clock.o +diff --git a/arch/mips/loongson/gdium/gdium-clock.c b/arch/mips/loongson/gdium/gdium-clock.c +new file mode 100644 +index 0000000..fdbf42a +--- /dev/null ++++ b/arch/mips/loongson/gdium/gdium-clock.c +@@ -0,0 +1,234 @@ ++/* ++ * Doesn't work really well. When used, the clocksource is producing ++ * bad timings and the clockevent can't be used (don't have one shot feature ++ * thus can't switch on the fly and the pwm is initialised too late to be able ++ * to use it at boot time). ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#include ++ ++#define CLOCK_PWM 1 ++#define CLOCK_PWM_FREQ 1500000 /* Freq in Hz */ ++#define CLOCK_LATCH ((CLOCK_PWM_FREQ + HZ/2) / HZ) ++#define CLOCK_PWM_PERIOD (1000000000/CLOCK_PWM_FREQ) /* period ns */ ++#define CLOCK_PWM_DUTY 50 ++#define CLOCK_PWM_IRQ (MIPS_CPU_IRQ_BASE + 4) ++ ++static const char drv_name[] = "gdium-clock"; ++ ++static struct pwm_device *clock_pwm; ++ ++static DEFINE_SPINLOCK(clock_pwm_lock); ++static uint64_t clock_tick; ++ ++static irqreturn_t gdium_pwm_clock_interrupt(int irq, void *dev_id) ++{ ++ struct clock_event_device *cd = dev_id; ++ unsigned long flag; ++ ++ spin_lock_irqsave(&clock_pwm_lock, flag); ++ clock_tick++; ++ /* wait intn2 to finish */ ++ do { ++ LOONGSON_INTENCLR = (1 << 13); ++ } while (LOONGSON_INTISR & (1 << 13)); ++ spin_unlock_irqrestore(&clock_pwm_lock, flag); ++ ++ if (cd && cd->event_handler) ++ cd->event_handler(cd); ++ ++ return IRQ_HANDLED; ++} ++ ++static cycle_t gdium_pwm_clock_read(struct clocksource *cs) ++{ ++ unsigned long flag; ++ uint32_t jifs; ++ uint64_t ticks; ++ ++ spin_lock_irqsave(&clock_pwm_lock, flag); ++ jifs = jiffies; ++ ticks = clock_tick; ++ spin_unlock_irqrestore(&clock_pwm_lock, flag); ++ /* return (cycle_t)ticks; */ ++ return (cycle_t)(CLOCK_LATCH * jifs); ++} ++ ++static struct clocksource gdium_pwm_clock_clocksource = { ++ .name = "gdium_csrc", ++ .read = gdium_pwm_clock_read, ++ .mask = CLOCKSOURCE_MASK(64), ++ .flags = CLOCK_SOURCE_IS_CONTINUOUS | CLOCK_SOURCE_MUST_VERIFY, ++ .shift = 20, ++}; ++ ++/* Debug fs */ ++static int gdium_pwm_clock_show(struct seq_file *s, void *p) ++{ ++ unsigned long flag; ++ uint64_t ticks; ++ ++ spin_lock_irqsave(&clock_pwm_lock, flag); ++ ticks = clock_tick; ++ spin_unlock_irqrestore(&clock_pwm_lock, flag); ++ seq_printf(s, "%lld\n", ticks); ++ return 0; ++} ++ ++static int gdium_pwm_clock_open(struct inode *inode, struct file *file) ++{ ++ return single_open(file, gdium_pwm_clock_show, inode->i_private); ++} ++ ++static const struct file_operations gdium_pwm_clock_fops = { ++ .open = gdium_pwm_clock_open, ++ .read = seq_read, ++ .llseek = seq_lseek, ++ .release = single_release, ++ .owner = THIS_MODULE, ++}; ++static struct dentry *debugfs_file; ++ ++static void gdium_pwm_clock_set_mode(enum clock_event_mode mode, ++ struct clock_event_device *evt) ++{ ++ /* Nothing to do ... */ ++} ++ ++static struct clock_event_device gdium_pwm_clock_cevt = { ++ .name = "gdium_cevt", ++ .features = CLOCK_EVT_FEAT_PERIODIC, ++ /* .mult, .shift, .max_delta_ns and .min_delta_ns left uninitialized */ ++ .rating = 299, ++ .irq = CLOCK_PWM_IRQ, ++ .set_mode = gdium_pwm_clock_set_mode, ++}; ++ ++static struct platform_device_id platform_device_ids[] = { ++ { ++ .name = "gdium-pwmclk", ++ }, ++ {} ++}; ++MODULE_DEVICE_TABLE(platform, platform_device_ids); ++ ++static struct platform_driver gdium_pwm_clock_driver = { ++ .driver = { ++ .name = drv_name, ++ .owner = THIS_MODULE, ++ }, ++ .id_table = platform_device_ids, ++}; ++ ++static int gdium_pwm_clock_drvinit(void) ++{ ++ int ret; ++ struct clocksource *cs = &gdium_pwm_clock_clocksource; ++ struct clock_event_device *cd = &gdium_pwm_clock_cevt; ++ unsigned int cpu = smp_processor_id(); ++ ++ clock_tick = 0; ++ ++ clock_pwm = pwm_request(CLOCK_PWM, drv_name); ++ if (clock_pwm == NULL) { ++ pr_err("unable to request PWM for Gdium clock\n"); ++ return -EBUSY; ++ } ++ ret = pwm_config(clock_pwm, CLOCK_PWM_DUTY, CLOCK_PWM_PERIOD); ++ if (ret) { ++ pr_err("unable to configure PWM for Gdium clock\n"); ++ goto err_pwm_request; ++ } ++ ret = pwm_enable(clock_pwm); ++ if (ret) { ++ pr_err("unable to enable PWM for Gdium clock\n"); ++ goto err_pwm_request; ++ } ++ ++ cd->cpumask = cpumask_of(cpu); ++ ++ cd->shift = 22; ++ cd->mult = div_sc(CLOCK_PWM_FREQ, NSEC_PER_SEC, cd->shift); ++ cd->max_delta_ns = clockevent_delta2ns(0x7FFF, cd); ++ cd->min_delta_ns = clockevent_delta2ns(0xF, cd); ++ clockevents_register_device(&gdium_pwm_clock_cevt); ++ ++ /* SM501 PWM1 connected to intn2 <->ip4 */ ++ LOONGSON_INTPOL = (1 << 13); ++ LOONGSON_INTEDGE &= ~(1 << 13); ++ ret = request_irq(CLOCK_PWM_IRQ, gdium_pwm_clock_interrupt, IRQF_DISABLED, drv_name, &gdium_pwm_clock_cevt); ++ if (ret) { ++ pr_err("Can't claim irq\n"); ++ goto err_pwm_disable; ++ } ++ ++ cs->rating = 200; ++ cs->mult = clocksource_hz2mult(CLOCK_PWM_FREQ, cs->shift); ++ ret = clocksource_register(&gdium_pwm_clock_clocksource); ++ if (ret) { ++ pr_err("Can't register clocksource\n"); ++ goto err_irq; ++ } ++ pr_info("Clocksource registered with shift %d and mult %d\n", ++ cs->shift, cs->mult); ++ ++ debugfs_file = debugfs_create_file(drv_name, S_IFREG | S_IRUGO, ++ NULL, NULL, &gdium_pwm_clock_fops); ++ ++ return 0; ++ ++err_irq: ++ free_irq(CLOCK_PWM_IRQ, &gdium_pwm_clock_cevt); ++err_pwm_disable: ++ pwm_disable(clock_pwm); ++err_pwm_request: ++ pwm_free(clock_pwm); ++ return ret; ++} ++ ++static void gdium_pwm_clock_drvexit(void) ++{ ++ free_irq(CLOCK_PWM_IRQ, &gdium_pwm_clock_cevt); ++ pwm_disable(clock_pwm); ++ pwm_free(clock_pwm); ++} ++ ++ ++static int __devinit gdium_pwm_clock_init(void) ++{ ++ int ret = gdium_pwm_clock_drvinit(); ++ ++ if (ret) { ++ pr_err("Fail to register gdium clock driver\n"); ++ return ret; ++ } ++ ++ return platform_driver_register(&gdium_pwm_clock_driver); ++} ++ ++static void __exit gdium_pwm_clock_cleanup(void) ++{ ++ gdium_pwm_clock_drvexit(); ++ platform_driver_unregister(&gdium_pwm_clock_driver); ++} ++ ++module_init(gdium_pwm_clock_init); ++module_exit(gdium_pwm_clock_cleanup); ++ ++MODULE_AUTHOR("Arnaud Patard "); ++MODULE_DESCRIPTION("Gdium PWM clock driver"); ++MODULE_LICENSE("GPL"); ++MODULE_ALIAS("platform:gdium-pwmclk"); +diff --git a/arch/mips/loongson/gdium/irq.c b/arch/mips/loongson/gdium/irq.c +new file mode 100644 +index 0000000..2415d20 +--- /dev/null ++++ b/arch/mips/loongson/gdium/irq.c +@@ -0,0 +1,55 @@ ++/* ++ * Copyright (C) 2007 Lemote Inc. ++ * Author: Fuxin Zhang, zhangfx@lemote.com ++ * ++ * Copyright (c) 2010 yajin ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ */ ++ ++#include ++#include ++ ++#include ++#include ++ ++#define LOONGSON_TIMER_IRQ (MIPS_CPU_IRQ_BASE + 7) /* cpu timer */ ++#define LOONGSON_NORTH_BRIDGE_IRQ (MIPS_CPU_IRQ_BASE + 6) /* bonito */ ++#define LOONGSON_UART_IRQ (MIPS_CPU_IRQ_BASE + 3) /* cpu serial port */ ++ ++void mach_irq_dispatch(unsigned int pending) ++{ ++ if (pending & CAUSEF_IP7) ++ do_IRQ(LOONGSON_TIMER_IRQ); ++ else if (pending & CAUSEF_IP6) { /* North Bridge, Perf counter */ ++ do_perfcnt_IRQ(); ++ bonito_irqdispatch(); ++ } else if (pending & CAUSEF_IP3) /* CPU UART */ ++ do_IRQ(LOONGSON_UART_IRQ); ++#if defined(CONFIG_GDIUM_PWM_CLOCK) || defined(CONFIG_GDIUM_PWM_CLOCK_MODULE) ++ else if (pending & CAUSEF_IP4) /* SM501 PWM clock */ ++ do_IRQ(MIPS_CPU_IRQ_BASE + 4); ++#endif ++ else ++ spurious_interrupt(); ++} ++ ++static irqreturn_t ip6_action(int cpl, void *dev_id) ++{ ++ return IRQ_HANDLED; ++} ++ ++struct irqaction ip6_irqaction = { ++ .handler = ip6_action, ++ .name = "cascade", ++ .flags = IRQF_SHARED, ++}; ++ ++void __init mach_init_irq(void) ++{ ++ /* setup north bridge irq (bonito) */ ++ setup_irq(LOONGSON_NORTH_BRIDGE_IRQ, &ip6_irqaction); ++} +diff --git a/arch/mips/loongson/gdium/platform.c b/arch/mips/loongson/gdium/platform.c +new file mode 100644 +index 0000000..ffafba4 +--- /dev/null ++++ b/arch/mips/loongson/gdium/platform.c +@@ -0,0 +1,135 @@ ++/* ++ * Copyright (c) 2009 Philippe Vachon ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#define GDIUM_GPIO_BASE 224 ++ ++static struct i2c_board_info __initdata sm502dev_i2c_devices[] = { ++ { ++ I2C_BOARD_INFO("lm75", 0x48), ++ }, ++ { ++ I2C_BOARD_INFO("m41t83", 0x68), ++ }, ++ { ++ I2C_BOARD_INFO("gdium-laptop", 0x40), ++ }, ++}; ++ ++static int sm502dev_backlight_init(struct device *dev) ++{ ++ /* Add gpio request stuff here */ ++ return 0; ++} ++ ++static void sm502dev_backlight_exit(struct device *dev) ++{ ++ /* Add gpio free stuff here */ ++} ++ ++static struct platform_pwm_backlight_data backlight_data = { ++ .pwm_id = 0, ++ .max_brightness = 15, ++ .dft_brightness = 8, ++ .pwm_period_ns = 50000, /* 20 kHz */ ++ .init = sm502dev_backlight_init, ++ .exit = sm502dev_backlight_exit, ++}; ++ ++static struct platform_device backlight = { ++ .name = "pwm-backlight", ++ .dev = { ++ .platform_data = &backlight_data, ++ }, ++ .id = -1, ++}; ++ ++/* ++ * Warning this stunt is very dangerous ++ * as the sm501 gpio have dynamic numbers... ++ */ ++/* bus 0 is the one for the ST7, DS75 etc... */ ++static struct i2c_gpio_platform_data i2c_gpio0_data = { ++#if CONFIG_GDIUM_VERSION > 2 ++ .sda_pin = GDIUM_GPIO_BASE + 13, ++ .scl_pin = GDIUM_GPIO_BASE + 6, ++#else ++ .sda_pin = 192+15, ++ .scl_pin = 192+14, ++#endif ++ .udelay = 5, ++ .timeout = HZ / 10, ++ .sda_is_open_drain = 0, ++ .scl_is_open_drain = 0, ++}; ++ ++static struct platform_device i2c_gpio0_device = { ++ .name = "i2c-gpio", ++ .id = 0, ++ .dev = { .platform_data = &i2c_gpio0_data, }, ++}; ++ ++/* bus 1 is for the CRT/VGA external screen */ ++static struct i2c_gpio_platform_data i2c_gpio1_data = { ++ .sda_pin = GDIUM_GPIO_BASE + 10, ++ .scl_pin = GDIUM_GPIO_BASE + 9, ++ .udelay = 5, ++ .timeout = HZ / 10, ++ .sda_is_open_drain = 0, ++ .scl_is_open_drain = 0, ++}; ++ ++static struct platform_device i2c_gpio1_device = { ++ .name = "i2c-gpio", ++ .id = 1, ++ .dev = { .platform_data = &i2c_gpio1_data, }, ++}; ++ ++static struct platform_device gdium_clock = { ++ .name = "gdium-pwmclk", ++ .id = -1, ++}; ++ ++static struct platform_device *devices[] __initdata = { ++ &i2c_gpio0_device, ++ &i2c_gpio1_device, ++ &backlight, ++ &gdium_clock, ++}; ++ ++static int __init gdium_platform_devices_setup(void) ++{ ++ int ret; ++ ++ pr_info("Registering gdium platform devices\n"); ++ ++ ret = i2c_register_board_info(0, sm502dev_i2c_devices, ++ ARRAY_SIZE(sm502dev_i2c_devices)); ++ ++ if (ret != 0) { ++ pr_info("Error while registering platform devices: %d\n", ret); ++ return ret; ++ } ++ ++ platform_add_devices(devices, ARRAY_SIZE(devices)); ++ ++ return 0; ++} ++ ++/* ++ * some devices are on the pwm stuff which is behind the mfd which is ++ * behind the pci bus so arch_initcall can't work because too early ++ */ ++late_initcall(gdium_platform_devices_setup); +diff --git a/arch/mips/loongson/gdium/reset.c b/arch/mips/loongson/gdium/reset.c +new file mode 100644 +index 0000000..8289f95 +--- /dev/null ++++ b/arch/mips/loongson/gdium/reset.c +@@ -0,0 +1,22 @@ ++/* Board-specific reboot/shutdown routines ++ * ++ * Copyright (C) 2010 yajin ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ */ ++#include ++ ++void mach_prepare_shutdown(void) ++{ ++ LOONGSON_GPIOIE &= ~(1<<1); ++ LOONGSON_GPIODATA |= (1<<1); ++} ++ ++void mach_prepare_reboot(void) ++{ ++ LOONGSON_GPIOIE &= ~(1<<2); ++ LOONGSON_GPIODATA &= ~(1<<2); ++} +diff --git a/arch/mips/loongson/gdium/sm501-pwm.c b/arch/mips/loongson/gdium/sm501-pwm.c +new file mode 100644 +index 0000000..5af3b23 +--- /dev/null ++++ b/arch/mips/loongson/gdium/sm501-pwm.c +@@ -0,0 +1,465 @@ ++/* ++ * SM501 PWM clock ++ * Copyright (C) 2009-2010 Arnaud Patard ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++static const char drv_name[] = "sm501-pwm"; ++ ++#define INPUT_CLOCK 96 /* MHz */ ++#define PWM_COUNT 3 ++ ++#define SM501PWM_HIGH_COUNTER (1<<20) ++#define SM501PWM_LOW_COUNTER (1<<8) ++#define SM501PWM_CLOCK_DIVIDE (1>>4) ++#define SM501PWM_IP (1<<3) ++#define SM501PWM_I (1<<2) ++#define SM501PWM_E (1<<0) ++ ++struct pwm_device { ++ struct list_head node; ++ struct device *dev; ++ void __iomem *regs; ++ int duty_ns; ++ int period_ns; ++ char enabled; ++ void (*handler)(struct pwm_device *pwm); ++ ++ const char *label; ++ unsigned int use_count; ++ unsigned int pwm_id; ++}; ++ ++struct sm501pwm_info { ++ void __iomem *regs; ++ int irq; ++ struct resource *res; ++ struct device *dev; ++ struct dentry *debugfs; ++ ++ struct pwm_device pwm[3]; ++}; ++ ++int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns) ++{ ++ unsigned int high, low, divider; ++ int divider1, divider2; ++ unsigned long long delay; ++ ++ if (!pwm || !pwm->regs || period_ns == 0 || duty_ns > period_ns) ++ return -EINVAL; ++ ++ /* Get delay ++ * We're loosing some precision but multiplying then dividing ++ * will overflow ++ */ ++ if (period_ns > 1000) { ++ delay = period_ns / 1000; ++ delay *= INPUT_CLOCK; ++ } else { ++ delay = period_ns * 96; ++ delay /= 1000; ++ } ++ ++ /* Get the number of clock low and high */ ++ high = delay * duty_ns / period_ns; ++ low = delay - high; ++ ++ /* Get divider to make 'low' and 'high' fit into 12 bits */ ++ /* No need to say that the divider must be >= 0 */ ++ divider1 = fls(low)-12; ++ divider2 = fls(high)-12; ++ ++ if (divider1 < 0) ++ divider1 = 0; ++ if (divider2 < 0) ++ divider2 = 0; ++ ++ divider = max(divider1, divider2); ++ ++ low >>= divider; ++ high >>= divider; ++ ++ pwm->duty_ns = duty_ns; ++ pwm->period_ns = period_ns; ++ ++ writel((high<<20)|(low<<8)|(divider<<4), pwm->regs); ++ return 0; ++} ++EXPORT_SYMBOL(pwm_config); ++ ++int pwm_enable(struct pwm_device *pwm) ++{ ++ u32 reg; ++ ++ if (!pwm) ++ return -EINVAL; ++ ++ switch (pwm->pwm_id) { ++ case 0: ++ sm501_configure_gpio(pwm->dev->parent, 29, 1); ++ break; ++ case 1: ++ sm501_configure_gpio(pwm->dev->parent, 30, 1); ++ break; ++ case 2: ++ sm501_configure_gpio(pwm->dev->parent, 31, 1); ++ break; ++ default: ++ return -EINVAL; ++ } ++ ++ reg = readl(pwm->regs); ++ reg |= (SM501PWM_IP | SM501PWM_E); ++ writel(reg, pwm->regs); ++ pwm->enabled = 1; ++ ++ return 0; ++} ++EXPORT_SYMBOL(pwm_enable); ++ ++void pwm_disable(struct pwm_device *pwm) ++{ ++ u32 reg; ++ ++ if (!pwm) ++ return; ++ ++ reg = readl(pwm->regs); ++ reg &= ~(SM501PWM_IP | SM501PWM_E); ++ writel(reg, pwm->regs); ++ ++ switch (pwm->pwm_id) { ++ case 0: ++ sm501_configure_gpio(pwm->dev->parent, 29, 0); ++ break; ++ case 1: ++ sm501_configure_gpio(pwm->dev->parent, 30, 0); ++ break; ++ case 2: ++ sm501_configure_gpio(pwm->dev->parent, 31, 0); ++ break; ++ default: ++ break; ++ } ++ pwm->enabled = 0; ++} ++EXPORT_SYMBOL(pwm_disable); ++ ++static DEFINE_MUTEX(pwm_lock); ++static LIST_HEAD(pwm_list); ++ ++struct pwm_device *pwm_request(int pwm_id, const char *label) ++{ ++ struct pwm_device *pwm; ++ int found = 0; ++ ++ mutex_lock(&pwm_lock); ++ ++ list_for_each_entry(pwm, &pwm_list, node) { ++ if (pwm->pwm_id == pwm_id && pwm->use_count == 0) { ++ pwm->use_count++; ++ pwm->label = label; ++ found = 1; ++ break; ++ } ++ } ++ ++ mutex_unlock(&pwm_lock); ++ ++ return (found) ? pwm : NULL; ++} ++EXPORT_SYMBOL(pwm_request); ++ ++void pwm_free(struct pwm_device *pwm) ++{ ++ mutex_lock(&pwm_lock); ++ ++ if (pwm->use_count) { ++ pwm->use_count--; ++ pwm->label = NULL; ++ } else ++ dev_warn(pwm->dev, "PWM device already freed\n"); ++ ++ mutex_unlock(&pwm_lock); ++} ++EXPORT_SYMBOL(pwm_free); ++ ++int pwm_int_enable(struct pwm_device *pwm) ++{ ++ unsigned long conf; ++ ++ if (!pwm || !pwm->regs || !pwm->handler) ++ return -EINVAL; ++ ++ conf = readl(pwm->regs); ++ conf |= SM501PWM_I; ++ writel(conf, pwm->regs); ++ return 0; ++} ++EXPORT_SYMBOL(pwm_int_enable); ++ ++int pwm_int_disable(struct pwm_device *pwm) ++{ ++ unsigned long conf; ++ ++ if (!pwm || !pwm->regs || !pwm->handler) ++ return -EINVAL; ++ ++ conf = readl(pwm->regs); ++ conf &= ~SM501PWM_I; ++ writel(conf, pwm->regs); ++ return 0; ++} ++EXPORT_SYMBOL(pwm_int_disable); ++ ++int pwm_set_handler(struct pwm_device *pwm, ++ void (*handler)(struct pwm_device *pwm)) ++{ ++ if (!pwm || !handler) ++ return -EINVAL; ++ pwm->handler = handler; ++ return 0; ++} ++EXPORT_SYMBOL(pwm_set_handler); ++ ++static irqreturn_t sm501pwm_irq(int irq, void *dev_id) ++{ ++ unsigned long value; ++ struct sm501pwm_info *info = (struct sm501pwm_info *)dev_id; ++ struct pwm_device *pwm; ++ int i; ++ ++ value = sm501_modify_reg(info->dev->parent, SM501_IRQ_STATUS, 0, 0); ++ ++ /* Check is the interrupt is for us */ ++ if (value & (1<<22)) { ++ for (i = 0 ; i < PWM_COUNT ; i++) { ++ /* ++ * Find which pwm triggered the interrupt ++ * and ack ++ */ ++ value = readl(info->regs + i*4); ++ if (value & SM501PWM_IP) ++ writel(value | SM501PWM_IP, info->regs + i*4); ++ ++ pwm = &info->pwm[i]; ++ if (pwm->handler) ++ pwm->handler(pwm); ++ } ++ return IRQ_HANDLED; ++ } ++ ++ return IRQ_NONE; ++} ++ ++static void add_pwm(int id, struct sm501pwm_info *info) ++{ ++ struct pwm_device *pwm = &info->pwm[id]; ++ ++ pwm->use_count = 0; ++ pwm->pwm_id = id; ++ pwm->dev = info->dev; ++ pwm->regs = info->regs + id * 4; ++ ++ mutex_lock(&pwm_lock); ++ list_add_tail(&pwm->node, &pwm_list); ++ mutex_unlock(&pwm_lock); ++} ++ ++static void del_pwm(int id, struct sm501pwm_info *info) ++{ ++ struct pwm_device *pwm = &info->pwm[id]; ++ ++ pwm->use_count = 0; ++ pwm->pwm_id = -1; ++ mutex_lock(&pwm_lock); ++ list_del(&pwm->node); ++ mutex_unlock(&pwm_lock); ++} ++ ++/* Debug fs */ ++static int sm501pwm_show(struct seq_file *s, void *p) ++{ ++ struct pwm_device *pwm; ++ ++ mutex_lock(&pwm_lock); ++ list_for_each_entry(pwm, &pwm_list, node) { ++ if (pwm->use_count) { ++ seq_printf(s, "pwm-%d (%12s) %d %d %s\n", ++ pwm->pwm_id, pwm->label, ++ pwm->duty_ns, pwm->period_ns, ++ pwm->enabled ? "on" : "off"); ++ seq_printf(s, " %08x\n", readl(pwm->regs)); ++ } ++ } ++ mutex_unlock(&pwm_lock); ++ ++ return 0; ++} ++ ++static int sm501pwm_open(struct inode *inode, struct file *file) ++{ ++ return single_open(file, sm501pwm_show, inode->i_private); ++} ++ ++static const struct file_operations sm501pwm_fops = { ++ .open = sm501pwm_open, ++ .read = seq_read, ++ .llseek = seq_lseek, ++ .release = single_release, ++ .owner = THIS_MODULE, ++}; ++ ++static int __init sm501pwm_probe(struct platform_device *pdev) ++{ ++ struct sm501pwm_info *info; ++ struct device *dev = &pdev->dev; ++ struct resource *res; ++ int ret = 0; ++ int res_len; ++ int i; ++ ++ info = kzalloc(sizeof(struct sm501pwm_info), GFP_KERNEL); ++ if (!info) { ++ dev_err(dev, "Allocation failure\n"); ++ ret = -ENOMEM; ++ goto err; ++ } ++ info->dev = dev; ++ platform_set_drvdata(pdev, info); ++ ++ /* Get irq number */ ++ info->irq = platform_get_irq(pdev, 0); ++ if (!info->irq) { ++ dev_err(dev, "no irq found\n"); ++ ret = -ENODEV; ++ goto err_alloc; ++ } ++ ++ /* Get regs address */ ++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ if (res == NULL) { ++ dev_err(dev, "No memory resource found\n"); ++ ret = -ENODEV; ++ goto err_alloc; ++ } ++ info->res = res; ++ res_len = (res->end - res->start)+1; ++ ++ if (!request_mem_region(res->start, res_len, drv_name)) { ++ dev_err(dev, "Can't request iomem resource\n"); ++ ret = -EBUSY; ++ goto err_alloc; ++ } ++ ++ info->regs = ioremap(res->start, res_len); ++ if (!info->regs) { ++ dev_err(dev, "ioremap failed\n"); ++ ret = -ENOMEM; ++ goto err_mem; ++ } ++ ++ ret = request_irq(info->irq, sm501pwm_irq, IRQF_SHARED, drv_name, info); ++ if (ret != 0) { ++ dev_err(dev, "can't get irq\n"); ++ goto err_map; ++ } ++ ++ ++ sm501_unit_power(info->dev->parent, SM501_GATE_GPIO, 1); ++ ++ for (i = 0; i < 3; i++) ++ add_pwm(i, info); ++ ++ dev_info(dev, "SM501 PWM Found at %lx irq %d\n", ++ (unsigned long)info->res->start, info->irq); ++ ++ info->debugfs = debugfs_create_file("pwm", S_IFREG | S_IRUGO, ++ NULL, info, &sm501pwm_fops); ++ ++ ++ return 0; ++ ++err_map: ++ iounmap(info->regs); ++ ++err_mem: ++ release_mem_region(res->start, res_len); ++ ++err_alloc: ++ kfree(info); ++ platform_set_drvdata(pdev, NULL); ++err: ++ return ret; ++} ++ ++static int sm501pwm_remove(struct platform_device *pdev) ++{ ++ struct sm501pwm_info *info = platform_get_drvdata(pdev); ++ int i; ++ ++ if (info->debugfs) ++ debugfs_remove(info->debugfs); ++ ++ for (i = 0; i < 3; i++) { ++ pwm_disable(&info->pwm[i]); ++ del_pwm(i, info); ++ } ++ ++ sm501_unit_power(info->dev->parent, SM501_GATE_GPIO, 0); ++ sm501_modify_reg(info->dev->parent, SM501_IRQ_STATUS, 0, 1<<22); ++ ++ free_irq(info->irq, info); ++ iounmap(info->regs); ++ release_mem_region(info->res->start, ++ (info->res->end - info->res->start)+1); ++ kfree(info); ++ platform_set_drvdata(pdev, NULL); ++ ++ return 0; ++} ++ ++static struct platform_driver sm501pwm_driver = { ++ .probe = sm501pwm_probe, ++ .remove = sm501pwm_remove, ++ .driver = { ++ .name = drv_name, ++ .owner = THIS_MODULE, ++ }, ++}; ++ ++static int __devinit sm501pwm_init(void) ++{ ++ return platform_driver_register(&sm501pwm_driver); ++} ++ ++static void __exit sm501pwm_cleanup(void) ++{ ++ platform_driver_unregister(&sm501pwm_driver); ++} ++ ++module_init(sm501pwm_init); ++module_exit(sm501pwm_cleanup); ++ ++MODULE_AUTHOR("Arnaud Patard "); ++MODULE_DESCRIPTION("SM501 PWM driver"); ++MODULE_LICENSE("GPL"); ++MODULE_ALIAS("platform:sm501-pwm"); +diff --git a/arch/mips/loongson/lemote-2f/Makefile b/arch/mips/loongson/lemote-2f/Makefile +index 4f9eaa3..f945bd7a 100644 +--- a/arch/mips/loongson/lemote-2f/Makefile ++++ b/arch/mips/loongson/lemote-2f/Makefile +@@ -2,7 +2,7 @@ + # Makefile for lemote loongson2f family machines + # + +-obj-y += clock.o machtype.o irq.o reset.o ec_kb3310b.o ++obj-y += clock.o machtype.o irq.o reset.o ec_kb3310b.o platform.o + + # + # Suspend Support +diff --git a/arch/mips/loongson/lemote-2f/irq.c b/arch/mips/loongson/lemote-2f/irq.c +index 6f8682e..2d54037 100644 +--- a/arch/mips/loongson/lemote-2f/irq.c ++++ b/arch/mips/loongson/lemote-2f/irq.c +@@ -11,9 +11,7 @@ + #include + #include + +-#include + #include +-#include + + #include + #include +@@ -117,11 +115,6 @@ void __init mach_init_irq(void) + LOONGSON_INTPOL = LOONGSON_INT_BIT_INT0 | LOONGSON_INT_BIT_INT1; + LOONGSON_INTEDGE &= ~(LOONGSON_INT_BIT_INT0 | LOONGSON_INT_BIT_INT1); + +- /* Sets the first-level interrupt dispatcher. */ +- mips_cpu_irq_init(); +- init_i8259_irqs(); +- bonito_irq_init(); +- + /* setup north bridge irq (bonito) */ + setup_irq(LOONGSON_NORTH_BRIDGE_IRQ, &ip6_irqaction); + /* setup source bridge irq (i8259) */ +diff --git a/arch/mips/loongson/lemote-2f/platform.c b/arch/mips/loongson/lemote-2f/platform.c +new file mode 100644 +index 0000000..5316360 +--- /dev/null ++++ b/arch/mips/loongson/lemote-2f/platform.c +@@ -0,0 +1,48 @@ ++/* ++ * Copyright (C) 2009 Lemote Inc. ++ * Author: Wu Zhangjin, wuzhangjin@gmail.com ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ */ ++ ++#include ++#include ++ ++#include ++ ++static struct platform_device yeeloong_pdev = { ++ .name = "yeeloong_laptop", ++ .id = -1, ++}; ++ ++static struct platform_device lynloong_pdev = { ++ .name = "lynloong_pc", ++ .id = -1, ++}; ++ ++static int __init lemote2f_platform_init(void) ++{ ++ struct platform_device *pdev = NULL; ++ ++ switch (mips_machtype) { ++ case MACH_LEMOTE_YL2F89: ++ pdev = &yeeloong_pdev; ++ break; ++ case MACH_LEMOTE_LL2F: ++ pdev = &lynloong_pdev; ++ break; ++ default: ++ break; ++ ++ } ++ ++ if (pdev != NULL) ++ return platform_device_register(pdev); ++ ++ return -ENODEV; ++} ++ ++arch_initcall(lemote2f_platform_init); +diff --git a/arch/mips/loongson/lemote-2f/pm.c b/arch/mips/loongson/lemote-2f/pm.c +index cac4d38..2b6e0ef 100644 +--- a/arch/mips/loongson/lemote-2f/pm.c ++++ b/arch/mips/loongson/lemote-2f/pm.c +@@ -140,10 +140,10 @@ int wakeup_loongson(void) + + void __weak mach_suspend(void) + { +- disable_mfgpt0_counter(); ++ disable_mfgpt_counter(); + } + + void __weak mach_resume(void) + { +- enable_mfgpt0_counter(); ++ enable_mfgpt_counter(); + } +diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c +index 0b4e2e3..60fad2c 100644 +--- a/arch/mips/math-emu/cp1emu.c ++++ b/arch/mips/math-emu/cp1emu.c +@@ -7,6 +7,9 @@ + * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com + * Copyright (C) 2000 MIPS Technologies, Inc. + * ++ * Loongson instruction support ++ * Copyright (C) 2011 Mark H Weaver ++ * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. +@@ -58,6 +61,14 @@ + #endif + #define __mips 4 + ++#ifdef __loongson_fp ++#undef __loongson_fp ++#endif ++#if __mips >= 4 && __mips != 32 ++/* Include support for Loongson floating point instructions */ ++#define __loongson_fp 1 ++#endif ++ + /* Function which emulates a floating point instruction. */ + + static int fpu_emu(struct pt_regs *, struct mips_fpu_struct *, +@@ -67,6 +78,10 @@ static int fpu_emu(struct pt_regs *, struct mips_fpu_struct *, + static int fpux_emu(struct pt_regs *, + struct mips_fpu_struct *, mips_instruction, void *__user *); + #endif ++#ifdef __loongson_fp ++static int loongson_spec2_emu(struct pt_regs *, ++ struct mips_fpu_struct *, mips_instruction, void *__user *); ++#endif + + /* Further private data for which no space exists in mips_fpu_struct */ + +@@ -896,6 +911,14 @@ static inline int cop1_64bit(struct pt_regs *xcp) + #define DPFROMREG(dp, x) DIFROMREG((dp).bits, x) + #define DPTOREG(dp, x) DITOREG((dp).bits, x) + ++/* Support for Loongson paired single floating-point format */ ++#define PSIFROMREG(si1, si2, x) ({ u64 di; DIFROMREG(di, x); \ ++ (si1) = (u32)di; (si2) = (u32)(di >> 32); }) ++#define PSITOREG(si1, si2, x) DITOREG((si1) | ((u64)(si2) << 32), x) ++ ++#define PSPFROMREG(sp1, sp2, x) PSIFROMREG((sp1).bits, (sp2).bits, x) ++#define PSPTOREG(sp1, sp2, x) PSITOREG((sp1).bits, (sp2).bits, x) ++ + /* + * Emulate the single floating point instruction pointed at by EPC. + * Two instructions if the instruction is in a branch delay slot. +@@ -1291,6 +1314,15 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx, + break; + #endif + ++#ifdef __loongson_fp ++ case spec2_op:{ ++ int sig = loongson_spec2_emu(xcp, ctx, ir, fault_addr); ++ if (sig) ++ return sig; ++ break; ++ } ++#endif ++ + default: + sigill: + return SIGILL; +@@ -1370,6 +1402,172 @@ DEF3OP(msub, dp, ieee754dp_mul, ieee754dp_sub, ); + DEF3OP(nmadd, dp, ieee754dp_mul, ieee754dp_add, ieee754dp_neg); + DEF3OP(nmsub, dp, ieee754dp_mul, ieee754dp_sub, ieee754dp_neg); + ++#ifdef __loongson_fp ++static int loongson_spec2_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, ++ mips_instruction ir, void *__user *fault_addr) ++{ ++ int rfmt; /* resulting format */ ++ unsigned rcsr = 0; /* resulting csr */ ++ union { ++ ieee754dp d; ++ struct { ++ ieee754sp s; ++ ieee754sp s2; ++ }; ++ } rv; /* resulting value */ ++ ++ /* XXX maybe add a counter for loongson spec2 fp instructions? */ ++ /* MIPS_FPU_EMU_INC_STATS(cp1xops); */ ++ ++ switch (rfmt = (MIPSInst_FFMT(ir) & 0xf)) { ++ case s_fmt:{ ++ ieee754sp(*handler) (ieee754sp, ieee754sp, ieee754sp); ++ ieee754sp fd, fs, ft; ++ ++ switch (MIPSInst_FUNC(ir)) { ++ case loongson_madd_op: ++ handler = fpemu_sp_madd; ++ goto scoptop; ++ case loongson_msub_op: ++ handler = fpemu_sp_msub; ++ goto scoptop; ++ case loongson_nmadd_op: ++ handler = fpemu_sp_nmadd; ++ goto scoptop; ++ case loongson_nmsub_op: ++ handler = fpemu_sp_nmsub; ++ goto scoptop; ++ ++ scoptop: ++ SPFROMREG(fd, MIPSInst_FD(ir)); ++ SPFROMREG(fs, MIPSInst_FS(ir)); ++ SPFROMREG(ft, MIPSInst_FT(ir)); ++ rv.s = (*handler) (fd, fs, ft); ++ ++ copcsr: ++ if (ieee754_cxtest(IEEE754_INEXACT)) ++ rcsr |= FPU_CSR_INE_X | FPU_CSR_INE_S; ++ if (ieee754_cxtest(IEEE754_UNDERFLOW)) ++ rcsr |= FPU_CSR_UDF_X | FPU_CSR_UDF_S; ++ if (ieee754_cxtest(IEEE754_OVERFLOW)) ++ rcsr |= FPU_CSR_OVF_X | FPU_CSR_OVF_S; ++ if (ieee754_cxtest(IEEE754_INVALID_OPERATION)) ++ rcsr |= FPU_CSR_INV_X | FPU_CSR_INV_S; ++ ++ break; ++ ++ default: ++ return SIGILL; ++ } ++ break; ++ } ++ ++ case d_fmt:{ ++ ieee754dp(*handler) (ieee754dp, ieee754dp, ieee754dp); ++ ieee754dp fd, fs, ft; ++ ++ switch (MIPSInst_FUNC(ir)) { ++ case loongson_madd_op: ++ handler = fpemu_dp_madd; ++ goto dcoptop; ++ case loongson_msub_op: ++ handler = fpemu_dp_msub; ++ goto dcoptop; ++ case loongson_nmadd_op: ++ handler = fpemu_dp_nmadd; ++ goto dcoptop; ++ case loongson_nmsub_op: ++ handler = fpemu_dp_nmsub; ++ goto dcoptop; ++ ++ dcoptop: ++ DPFROMREG(fd, MIPSInst_FD(ir)); ++ DPFROMREG(fs, MIPSInst_FS(ir)); ++ DPFROMREG(ft, MIPSInst_FT(ir)); ++ rv.d = (*handler) (fd, fs, ft); ++ goto copcsr; ++ ++ default: ++ return SIGILL; ++ } ++ break; ++ } ++ ++ case ps_fmt:{ ++ ieee754sp(*handler) (ieee754sp, ieee754sp, ieee754sp); ++ struct _ieee754_csr ieee754_csr_save; ++ ieee754sp fd1, fs1, ft1; ++ ieee754sp fd2, fs2, ft2; ++ ++ switch (MIPSInst_FUNC(ir)) { ++ case loongson_madd_op: ++ handler = fpemu_sp_madd; ++ goto pscoptop; ++ case loongson_msub_op: ++ handler = fpemu_sp_msub; ++ goto pscoptop; ++ case loongson_nmadd_op: ++ handler = fpemu_sp_nmadd; ++ goto pscoptop; ++ case loongson_nmsub_op: ++ handler = fpemu_sp_nmsub; ++ goto pscoptop; ++ ++ pscoptop: ++ PSPFROMREG(fd1, fd2, MIPSInst_FD(ir)); ++ PSPFROMREG(fs1, fs2, MIPSInst_FS(ir)); ++ PSPFROMREG(ft1, ft2, MIPSInst_FT(ir)); ++ rv.s = (*handler) (fd1, fs1, ft1); ++ ieee754_csr_save = ieee754_csr; ++ rv.s2 = (*handler) (fd2, fs2, ft2); ++ ieee754_csr.cx |= ieee754_csr_save.cx; ++ ieee754_csr.sx |= ieee754_csr_save.sx; ++ goto copcsr; ++ ++ default: ++ return SIGILL; ++ } ++ break; ++ } ++ ++ default: ++ return SIGILL; ++ } ++ ++ /* ++ * Update the fpu CSR register for this operation. ++ * If an exception is required, generate a tidy SIGFPE exception, ++ * without updating the result register. ++ * Note: cause exception bits do not accumulate, they are rewritten ++ * for each op; only the flag/sticky bits accumulate. ++ */ ++ ctx->fcr31 = (ctx->fcr31 & ~FPU_CSR_ALL_X) | rcsr; ++ if ((ctx->fcr31 >> 5) & ctx->fcr31 & FPU_CSR_ALL_E) { ++ /*printk ("SIGFPE: fpu csr = %08x\n",ctx->fcr31); */ ++ return SIGFPE; ++ } ++ ++ /* ++ * Now we can safely write the result back to the register file. ++ */ ++ switch (rfmt) { ++ case d_fmt: ++ DPTOREG(rv.d, MIPSInst_FD(ir)); ++ break; ++ case s_fmt: ++ SPTOREG(rv.s, MIPSInst_FD(ir)); ++ break; ++ case ps_fmt: ++ PSPTOREG(rv.s, rv.s2, MIPSInst_FD(ir)); ++ break; ++ default: ++ return SIGILL; ++ } ++ ++ return 0; ++} ++#endif ++ + static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, + mips_instruction ir, void *__user *fault_addr) + { +@@ -1463,7 +1661,7 @@ static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, + break; + + default: +- return SIGILL; ++ goto SIGILL_unless_prefx_op; + } + break; + } +@@ -1533,7 +1731,7 @@ static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, + goto copcsr; + + default: +- return SIGILL; ++ goto SIGILL_unless_prefx_op; + } + break; + } +@@ -1546,6 +1744,11 @@ static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, + break; + + default: ++ SIGILL_unless_prefx_op: ++ if (MIPSInst_FUNC(ir) == prefx_op) { ++ /* ignore prefx operation */ ++ break; ++ } + return SIGILL; + } + +@@ -1566,7 +1769,12 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, + unsigned cond; + union { + ieee754dp d; +- ieee754sp s; ++ struct { ++ ieee754sp s; ++#ifdef __loongson_fp ++ ieee754sp s2; /* for Loongson paired singles */ ++#endif ++ }; + int w; + #ifdef __mips64 + s64 l; +@@ -1638,7 +1846,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, + case fmov_op: + /* an easy one */ + SPFROMREG(rv.s, MIPSInst_FS(ir)); +- goto copcsr; ++ break; + + /* binary op on handler */ + scopbop: +@@ -1825,7 +2033,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, + case fmov_op: + /* an easy one */ + DPFROMREG(rv.d, MIPSInst_FS(ir)); +- goto copcsr; ++ break; + + /* binary op on handler */ + dcopbop:{ +@@ -1936,6 +2144,83 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, + break; + } + ++#ifdef __loongson_fp ++ case ps_fmt:{ /* 6 */ ++ /* Support for Loongson paired single fp instructions */ ++ union { ++ ieee754sp(*b) (ieee754sp, ieee754sp); ++ ieee754sp(*u) (ieee754sp); ++ } handler; ++ ++ switch (MIPSInst_FUNC(ir)) { ++ /* binary ops */ ++ case fadd_op: ++ handler.b = ieee754sp_add; ++ goto pscopbop; ++ case fsub_op: ++ handler.b = ieee754sp_sub; ++ goto pscopbop; ++ case fmul_op: ++ handler.b = ieee754sp_mul; ++ goto pscopbop; ++ ++ /* unary ops */ ++ case fabs_op: ++ handler.u = ieee754sp_abs; ++ goto pscopuop; ++ case fneg_op: ++ handler.u = ieee754sp_neg; ++ goto pscopuop; ++ case fmov_op: ++ /* an easy one */ ++ PSPFROMREG(rv.s, rv.s2, MIPSInst_FS(ir)); ++ break; ++ ++ pscopbop: /* paired binary op handler */ ++ { ++ struct _ieee754_csr ieee754_csr_save; ++ ieee754sp fs1, ft1; ++ ieee754sp fs2, ft2; ++ ++ PSPFROMREG(fs1, fs2, MIPSInst_FS(ir)); ++ PSPFROMREG(ft1, ft2, MIPSInst_FT(ir)); ++ rv.s = (*handler.b) (fs1, ft1); ++ ieee754_csr_save = ieee754_csr; ++ rv.s2 = (*handler.b) (fs2, ft2); ++ ieee754_csr.cx |= ieee754_csr_save.cx; ++ ieee754_csr.sx |= ieee754_csr_save.sx; ++ goto copcsr; ++ } ++ pscopuop: /* paired unary op handler */ ++ { ++ struct _ieee754_csr ieee754_csr_save; ++ ieee754sp fs1; ++ ieee754sp fs2; ++ ++ PSPFROMREG(fs1, fs2, MIPSInst_FS(ir)); ++ rv.s = (*handler.u) (fs1); ++ ieee754_csr_save = ieee754_csr; ++ rv.s2 = (*handler.u) (fs2); ++ ieee754_csr.cx |= ieee754_csr_save.cx; ++ ieee754_csr.sx |= ieee754_csr_save.sx; ++ goto copcsr; ++ } ++ break; ++ ++ default: ++ if (MIPSInst_FUNC(ir) >= fcmp_op) { ++ /* Loongson fp hardware handles all ++ cases of fp compare insns, so we ++ shouldn't have to */ ++ printk ("Loongson paired-single fp compare" ++ " unimplemented in cp1emu.c\n"); ++ } ++ return SIGILL; ++ } ++ break; ++ } ++#endif ++ + case w_fmt:{ + ieee754sp fs; + +@@ -2025,6 +2310,11 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, + DITOREG(rv.l, MIPSInst_FD(ir)); + break; + #endif ++#ifdef __loongson_fp ++ case ps_fmt: ++ PSPTOREG(rv.s, rv.s2, MIPSInst_FD(ir)); ++ break; ++#endif + default: + return SIGILL; + } +diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c +index 44b6dff..e782fae 100644 +--- a/arch/mips/mm/dma-default.c ++++ b/arch/mips/mm/dma-default.c +@@ -336,7 +336,7 @@ int mips_dma_supported(struct device *dev, u64 mask) + return plat_dma_supported(dev, mask); + } + +-void dma_cache_sync(struct device *dev, void *vaddr, size_t size, ++void mips_dma_cache_sync(struct device *dev, void *vaddr, size_t size, + enum dma_data_direction direction) + { + BUG_ON(direction == DMA_NONE); +@@ -345,8 +345,6 @@ void dma_cache_sync(struct device *dev, void *vaddr, size_t size, + __dma_sync_virtual(vaddr, size, direction); + } + +-EXPORT_SYMBOL(dma_cache_sync); +- + static struct dma_map_ops mips_default_dma_map_ops = { + .alloc = mips_dma_alloc_coherent, + .free = mips_dma_free_coherent, +diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile +index 137f2a6..b9845dc 100644 +--- a/arch/mips/pci/Makefile ++++ b/arch/mips/pci/Makefile +@@ -29,6 +29,7 @@ obj-$(CONFIG_LASAT) += pci-lasat.o + obj-$(CONFIG_MIPS_COBALT) += fixup-cobalt.o + obj-$(CONFIG_LEMOTE_FULOONG2E) += fixup-fuloong2e.o ops-loongson2.o + obj-$(CONFIG_LEMOTE_MACH2F) += fixup-lemote2f.o ops-loongson2.o ++obj-$(CONFIG_DEXXON_GDIUM) += fixup-gdium.o ops-loongson2.o + obj-$(CONFIG_MIPS_MALTA) += fixup-malta.o pci-malta.o + obj-$(CONFIG_PMC_MSP7120_GW) += fixup-pmcmsp.o ops-pmcmsp.o + obj-$(CONFIG_PMC_MSP7120_EVAL) += fixup-pmcmsp.o ops-pmcmsp.o +diff --git a/arch/mips/pci/fixup-gdium.c b/arch/mips/pci/fixup-gdium.c +new file mode 100644 +index 0000000..b296220 +--- /dev/null ++++ b/arch/mips/pci/fixup-gdium.c +@@ -0,0 +1,90 @@ ++/* ++ * Copyright (C) 2010 yajin ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ */ ++ ++#include ++#include ++ ++#include ++/* ++ * http://www.pcidatabase.com ++ * GDIUM has different PCI mapping ++ * slot 13 (0x1814/0x0301) -> RaLink rt2561 Wireless-G PCI ++ * slog 14 (0x126f/0x0501) -> sm501 ++ * slot 15 (0x1033/0x0035) -> NEC Dual OHCI controllers ++ * plus Single EHCI controller ++ * slot 16 (0x10ec/0x8139) -> Realtek 8139c ++ * slot 17 (0x1033/0x00e0) -> NEC USB 2.0 Host Controller ++ */ ++ ++#undef INT_IRQA ++#undef INT_IRQB ++#undef INT_IRQC ++#undef INT_IRQD ++#define INT_IRQA 36 ++#define INT_IRQB 37 ++#define INT_IRQC 38 ++#define INT_IRQD 39 ++ ++int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) ++{ ++ int irq = 0; ++ ++ switch (slot) { ++ case 13: ++ irq = INT_IRQC + ((pin - 1) & 3); ++ break; ++ case 14: ++ irq = INT_IRQA; ++ break; ++ case 15: ++#if CONFIG_GDIUM_VERSION > 2 ++ irq = INT_IRQB; ++#else ++ irq = INT_IRQA + ((pin - 1) & 3); ++#endif ++ break; ++ case 16: ++ irq = INT_IRQD; ++ break; ++#if CONFIG_GDIUM_VERSION > 2 ++ case 17: ++ irq = INT_IRQC; ++ break; ++#endif ++ default: ++ pr_info(" strange pci slot number %d on gdium.\n", slot); ++ break; ++ } ++ return irq; ++} ++ ++/* Do platform specific device initialization at pci_enable_device() time */ ++int pcibios_plat_dev_init(struct pci_dev *dev) ++{ ++ return 0; ++} ++ ++/* Fixups for the USB host controllers */ ++static void __init gdium_usb_host_fixup(struct pci_dev *dev) ++{ ++ unsigned int val; ++ pci_read_config_dword(dev, 0xe0, &val); ++#if CONFIG_GDIUM_VERSION > 2 ++ pci_write_config_dword(dev, 0xe0, (val & ~3) | 0x3); ++#else ++ pci_write_config_dword(dev, 0xe0, (val & ~7) | 0x5); ++ pci_write_config_dword(dev, 0xe4, 1<<5); ++#endif ++} ++DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_USB, ++ gdium_usb_host_fixup); ++#if CONFIG_GDIUM_VERSION > 2 ++DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_CT_65550, ++ gdium_usb_host_fixup); ++#endif +diff --git a/arch/mips/power/hibernate.S b/arch/mips/power/hibernate.S +index 32a7c82..7e0277a 100644 +--- a/arch/mips/power/hibernate.S ++++ b/arch/mips/power/hibernate.S +@@ -43,7 +43,6 @@ LEAF(swsusp_arch_resume) + bne t1, t3, 1b + PTR_L t0, PBE_NEXT(t0) + bnez t0, 0b +- jal local_flush_tlb_all /* Avoid TLB mismatch after kernel resume */ + PTR_LA t0, saved_regs + PTR_L ra, PT_R31(t0) + PTR_L sp, PT_R29(t0) +diff --git a/drivers/ata/pata_cs5536.c b/drivers/ata/pata_cs5536.c +index 0448860..fa7cfab 100644 +--- a/drivers/ata/pata_cs5536.c ++++ b/drivers/ata/pata_cs5536.c +@@ -46,8 +46,6 @@ static int use_msr; + module_param_named(msr, use_msr, int, 0644); + MODULE_PARM_DESC(msr, "Force using MSR to configure IDE function (Default: 0)"); + #else +-#undef rdmsr /* avoid accidental MSR usage on, e.g. x86-64 */ +-#undef wrmsr + #define rdmsr(x, y, z) do { } while (0) + #define wrmsr(x, y, z) do { } while (0) + #define use_msr 0 +diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig +index f722001..5af02de 100644 +--- a/drivers/hid/Kconfig ++++ b/drivers/hid/Kconfig +@@ -786,6 +786,13 @@ config HID_ZYDACRON + ---help--- + Support for Zydacron remote control. + ++config HID_GDIUM ++ bool "Gdium Fn keys support" if EMBEDDED ++ depends on USB_HID && DEXXON_GDIUM ++ default !EMBEDDED ++ ---help--- ++ Support for Functions keys available on Gdiums. ++ + config HID_SENSOR_HUB + tristate "HID Sensors framework support" + depends on HID +diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile +index 30e4431..e41ca68 100644 +--- a/drivers/hid/Makefile ++++ b/drivers/hid/Makefile +@@ -115,6 +115,7 @@ obj-$(CONFIG_HID_ZEROPLUS) += hid-zpff.o + obj-$(CONFIG_HID_ZYDACRON) += hid-zydacron.o + obj-$(CONFIG_HID_WACOM) += hid-wacom.o + obj-$(CONFIG_HID_WALTOP) += hid-waltop.o ++obj-$(CONFIG_HID_GDIUM) += hid-gdium.o + obj-$(CONFIG_HID_WIIMOTE) += hid-wiimote.o + obj-$(CONFIG_HID_SENSOR_HUB) += hid-sensor-hub.o + +diff --git a/drivers/hid/hid-gdium.c b/drivers/hid/hid-gdium.c +new file mode 100644 +index 0000000..67cc095 +--- /dev/null ++++ b/drivers/hid/hid-gdium.c +@@ -0,0 +1,210 @@ ++/* ++ * hid-gdium -- Gdium laptop function keys ++ * ++ * Arnaud Patard ++ * ++ * Based on hid-apple.c ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ */ ++ ++ ++#include ++#include ++#include ++#include ++ ++#include "hid-ids.h" ++ ++#define GDIUM_FN_ON 1 ++ ++static int fnmode = GDIUM_FN_ON; ++module_param(fnmode, int, 0644); ++MODULE_PARM_DESC(fnmode, "Mode of fn key on Gdium (0 = disabled, 1 = Enabled)"); ++ ++struct gdium_data { ++ unsigned int fn_on; ++}; ++ ++ ++struct gdium_key_translation { ++ u16 from; ++ u16 to; ++}; ++ ++static struct gdium_key_translation gdium_fn_keys[] = { ++ { KEY_F1, KEY_CAMERA }, ++ { KEY_F2, KEY_CONNECT }, ++ { KEY_F3, KEY_MUTE }, ++ { KEY_F4, KEY_VOLUMEUP}, ++ { KEY_F5, KEY_VOLUMEDOWN }, ++ { KEY_F6, KEY_SWITCHVIDEOMODE }, ++ { KEY_F7, KEY_F19 }, /* F7+12. Have to use existant keycodes */ ++ { KEY_F8, KEY_BRIGHTNESSUP }, ++ { KEY_F9, KEY_BRIGHTNESSDOWN }, ++ { KEY_F10, KEY_SLEEP }, ++ { KEY_F11, KEY_PROG1 }, ++ { KEY_F12, KEY_PROG2 }, ++ { KEY_UP, KEY_PAGEUP }, ++ { KEY_DOWN, KEY_PAGEDOWN }, ++ { KEY_INSERT, KEY_NUMLOCK }, ++ { KEY_DELETE, KEY_SCROLLLOCK }, ++ { KEY_T, KEY_STOPCD }, ++ { KEY_F, KEY_PREVIOUSSONG }, ++ { KEY_H, KEY_NEXTSONG }, ++ { KEY_G, KEY_PLAYPAUSE }, ++ { } ++}; ++ ++static struct gdium_key_translation *gdium_find_translation( ++ struct gdium_key_translation *table, u16 from) ++{ ++ struct gdium_key_translation *trans; ++ ++ /* Look for the translation */ ++ for (trans = table; trans->from; trans++) ++ if (trans->from == from) ++ return trans; ++ return NULL; ++} ++ ++static int hidinput_gdium_event(struct hid_device *hid, struct input_dev *input, ++ struct hid_usage *usage, __s32 value) ++{ ++ struct gdium_data *data = hid_get_drvdata(hid); ++ struct gdium_key_translation *trans; ++ int do_translate; ++ ++ if (usage->type != EV_KEY) ++ return 0; ++ ++ if ((usage->code == KEY_FN)) { ++ data->fn_on = !!value; ++ input_event(input, usage->type, usage->code, value); ++ return 1; ++ } ++ ++ if (fnmode) { ++ trans = gdium_find_translation(gdium_fn_keys, usage->code); ++ if (trans) { ++ do_translate = data->fn_on; ++ if (do_translate) { ++ input_event(input, usage->type, trans->to, value); ++ return 1; ++ } ++ } ++ } ++ ++ return 0; ++} ++ ++static int gdium_input_event(struct hid_device *hdev, struct hid_field *field, ++ struct hid_usage *usage, __s32 value) ++{ ++ if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || !usage->type) ++ return 0; ++ ++ if (hidinput_gdium_event(hdev, field->hidinput->input, usage, value)) ++ return 1; ++ ++ return 0; ++} ++ ++ ++static void gdium_input_setup(struct input_dev *input) ++{ ++ struct gdium_key_translation *trans; ++ ++ set_bit(KEY_NUMLOCK, input->keybit); ++ ++ /* Enable all needed keys */ ++ for (trans = gdium_fn_keys; trans->from; trans++) ++ set_bit(trans->to, input->keybit); ++} ++ ++static int gdium_input_mapping(struct hid_device *hdev, struct hid_input *hi, ++ struct hid_field *field, struct hid_usage *usage, ++ unsigned long **bit, int *max) ++{ ++ if (((usage->hid & HID_USAGE_PAGE) == HID_UP_KEYBOARD) ++ && ((usage->hid & HID_USAGE) == 0x82)) { ++ hid_map_usage_clear(hi, usage, bit, max, EV_KEY, KEY_FN); ++ gdium_input_setup(hi->input); ++ return 1; ++ } ++ return 0; ++} ++ ++static int gdium_input_probe(struct hid_device *hdev, const struct hid_device_id *id) ++{ ++ struct gdium_data *data; ++ int ret; ++ ++ data = kzalloc(sizeof(*data), GFP_KERNEL); ++ if (!data) { ++ dev_err(&hdev->dev, "can't alloc gdium keyboard data\n"); ++ return -ENOMEM; ++ } ++ ++ hid_set_drvdata(hdev, data); ++ ++ ret = hid_parse(hdev); ++ if (ret) { ++ dev_err(&hdev->dev, "parse failed\n"); ++ goto err_free; ++ } ++ ++ ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); ++ if (ret) { ++ dev_err(&hdev->dev, "hw start failed\n"); ++ goto err_free; ++ } ++ ++ return 0; ++err_free: ++ kfree(data); ++ return ret; ++} ++static void gdium_input_remove(struct hid_device *hdev) ++{ ++ hid_hw_stop(hdev); ++ kfree(hid_get_drvdata(hdev)); ++} ++ ++static const struct hid_device_id gdium_input_devices[] = { ++ { HID_USB_DEVICE(USB_VENDOR_ID_GDIUM, USB_DEVICE_ID_GDIUM) }, ++ {} ++}; ++MODULE_DEVICE_TABLE(hid, gdium_input_devices); ++ ++static struct hid_driver gdium_input_driver = { ++ .name = "gdium-fnkeys", ++ .id_table = gdium_input_devices, ++ .probe = gdium_input_probe, ++ .remove = gdium_input_remove, ++ .event = gdium_input_event, ++ .input_mapping = gdium_input_mapping, ++}; ++ ++static int gdium_input_init(void) ++{ ++ int ret; ++ ++ ret = hid_register_driver(&gdium_input_driver); ++ if (ret) ++ pr_err("can't register gdium keyboard driver\n"); ++ ++ return ret; ++} ++static void gdium_input_exit(void) ++{ ++ hid_unregister_driver(&gdium_input_driver); ++} ++ ++module_init(gdium_input_init); ++module_exit(gdium_input_exit); ++MODULE_LICENSE("GPL"); ++ +diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h +index 91bc66b..49f06b8 100644 +--- a/drivers/hid/hid-ids.h ++++ b/drivers/hid/hid-ids.h +@@ -961,6 +961,9 @@ + #define USB_VENDOR_ID_ZYTRONIC 0x14c8 + #define USB_DEVICE_ID_ZYTRONIC_ZXY100 0x0005 + ++#define USB_VENDOR_ID_GDIUM 0x04B4 ++#define USB_DEVICE_ID_GDIUM 0xe001 ++ + #define USB_VENDOR_ID_PRIMAX 0x0461 + #define USB_DEVICE_ID_PRIMAX_KEYBOARD 0x4e05 + +diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig +index c5eec02..9e4eb1d 100644 +--- a/drivers/i2c/busses/Kconfig ++++ b/drivers/i2c/busses/Kconfig +@@ -1002,7 +1002,7 @@ config SCx200_I2C_SDA + + config SCx200_ACB + tristate "Geode ACCESS.bus support" +- depends on X86_32 && PCI ++ depends on PCI + help + Enable the use of the ACCESS.bus controllers on the Geode SCx200 and + SC1100 processors and the CS5535 and CS5536 Geode companion devices. +diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c +index 376f2dc..b576801 100644 +--- a/drivers/ide/ide-iops.c ++++ b/drivers/ide/ide-iops.c +@@ -27,6 +27,10 @@ + #include + #include + ++#ifdef CONFIG_LEMOTE_MACH2F ++#include ++#endif ++ + void SELECT_MASK(ide_drive_t *drive, int mask) + { + const struct ide_port_ops *port_ops = drive->hwif->port_ops; +@@ -300,6 +304,11 @@ void ide_check_nien_quirk_list(ide_drive_t *drive) + { + const char **list, *m = (char *)&drive->id[ATA_ID_PROD]; + ++#ifdef CONFIG_LEMOTE_MACH2F ++ if (mips_machtype != MACH_LEMOTE_YL2F89) ++ return; ++#endif ++ + for (list = nien_quirk_list; *list != NULL; list++) + if (strstr(m, *list) != NULL) { + drive->dev_flags |= IDE_DFLAG_NIEN_QUIRK; +diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c +index e7dc441..124e8c3 100644 +--- a/drivers/mfd/sm501.c ++++ b/drivers/mfd/sm501.c +@@ -58,7 +58,7 @@ struct sm501_gpio { + struct sm501_gpio { + /* no gpio support, empty definition for sm501_devdata. */ + }; +-#endif ++#endif /* CONFIG_MFD_SM501_GPIO */ + + struct sm501_devdata { + spinlock_t reg_lock; +@@ -1135,6 +1135,22 @@ static inline int sm501_gpio_isregistered(struct sm501_devdata *sm) + { + return sm->gpio.registered; + } ++ ++void sm501_configure_gpio(struct device *dev, unsigned int gpio, unsigned ++ char mode) ++{ ++ unsigned long set, reg, offset = gpio; ++ ++ if (offset >= 32) { ++ reg = SM501_GPIO63_32_CONTROL; ++ offset = gpio - 32; ++ } else ++ reg = SM501_GPIO31_0_CONTROL; ++ ++ set = mode ? 1 << offset : 0; ++ ++ sm501_modify_reg(dev, reg, set, 0); ++} + #else + static inline int sm501_register_gpio(struct sm501_devdata *sm) + { +@@ -1154,7 +1170,13 @@ static inline int sm501_gpio_isregistered(struct sm501_devdata *sm) + { + return 0; + } +-#endif ++ ++void sm501_configure_gpio(struct device *dev, unsigned int gpio, ++ unsigned char mode) ++{ ++} ++#endif /* CONFIG_MFD_SM501_GPIO */ ++EXPORT_SYMBOL_GPL(sm501_configure_gpio); + + static int sm501_register_gpio_i2c_instance(struct sm501_devdata *sm, + struct sm501_platdata_gpio_i2c *iic) +@@ -1209,6 +1231,20 @@ static int sm501_register_gpio_i2c(struct sm501_devdata *sm, + return 0; + } + ++/* register sm501 PWM device */ ++static int sm501_register_pwm(struct sm501_devdata *sm) ++{ ++ struct platform_device *pdev; ++ ++ pdev = sm501_create_subdev(sm, "sm501-pwm", 2, 0); ++ if (!pdev) ++ return -ENOMEM; ++ sm501_create_subio(sm, &pdev->resource[0], 0x10020, 0xC); ++ sm501_create_irq(sm, &pdev->resource[1]); ++ ++ return sm501_register_device(sm, pdev); ++} ++ + /* sm501_dbg_regs + * + * Debug attribute to attach to parent device to show core registers +@@ -1367,6 +1403,8 @@ static int sm501_init_dev(struct sm501_devdata *sm) + sm501_register_uart(sm, idata->devices); + if (idata->devices & SM501_USE_GPIO) + sm501_register_gpio(sm); ++ if (idata->devices & SM501_USE_PWM) ++ sm501_register_pwm(sm); + } + + if (pdata && pdata->gpio_i2c != NULL && pdata->gpio_i2c_nr > 0) { +@@ -1553,10 +1591,15 @@ static struct sm501_initdata sm501_pci_initdata = { + .devices = SM501_USE_ALL, + + /* Errata AB-3 says that 72MHz is the fastest available +- * for 33MHZ PCI with proper bus-mastering operation */ +- ++ * for 33MHZ PCI with proper bus-mastering operation ++ * For gdium, it works under 84&112M clock freq.*/ ++#ifdef CONFIG_DEXXON_GDIUM ++ .mclk = 84 * MHZ, ++ .m1xclk = 112 * MHZ, ++#else + .mclk = 72 * MHZ, + .m1xclk = 144 * MHZ, ++#endif + }; + + static struct sm501_platdata_fbsub sm501_pdata_fbsub = { +diff --git a/drivers/net/titan_ge.c b/drivers/net/titan_ge.c +new file mode 100644 +index 0000000..dc137bf8 +--- /dev/null ++++ b/drivers/net/titan_ge.c +@@ -0,0 +1,2069 @@ ++/* ++ * drivers/net/titan_ge.c - Driver for Titan ethernet ports ++ * ++ * Copyright (C) 2003 PMC-Sierra Inc. ++ * Author : Manish Lachwani (lachwani@pmc-sierra.com) ++ * ++ * This program is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU General Public License ++ * as published by the Free Software Foundation; either version 2 ++ * of the License, or (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ++ */ ++ ++/* ++ * The MAC unit of the Titan consists of the following: ++ * ++ * -> XDMA Engine to move data to from the memory to the MAC packet FIFO ++ * -> FIFO is where the incoming and outgoing data is placed ++ * -> TRTG is the unit that pulls the data from the FIFO for Tx and pushes ++ * the data into the FIFO for Rx ++ * -> TMAC is the outgoing MAC interface and RMAC is the incoming. ++ * -> AFX is the address filtering block ++ * -> GMII block to communicate with the PHY ++ * ++ * Rx will look like the following: ++ * GMII --> RMAC --> AFX --> TRTG --> Rx FIFO --> XDMA --> CPU memory ++ * ++ * Tx will look like the following: ++ * CPU memory --> XDMA --> Tx FIFO --> TRTG --> TMAC --> GMII ++ * ++ * The Titan driver has support for the following performance features: ++ * -> Rx side checksumming ++ * -> Jumbo Frames ++ * -> Interrupt Coalscing ++ * -> Rx NAPI ++ * -> SKB Recycling ++ * -> Transmit/Receive descriptors in SRAM ++ * -> Fast routing for IP forwarding ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++/* For MII specifc registers, titan_mdio.h should be included */ ++#include ++ ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#include "titan_ge.h" ++#include "titan_mdio.h" ++ ++/* Static Function Declarations */ ++static int titan_ge_eth_open(struct net_device *); ++static void titan_ge_eth_stop(struct net_device *); ++static struct net_device_stats *titan_ge_get_stats(struct net_device *); ++static int titan_ge_init_rx_desc_ring(titan_ge_port_info *, int, int, ++ unsigned long, unsigned long, ++ unsigned long); ++static int titan_ge_init_tx_desc_ring(titan_ge_port_info *, int, ++ unsigned long, unsigned long); ++ ++static int titan_ge_open(struct net_device *); ++static int titan_ge_start_xmit(struct sk_buff *, struct net_device *); ++static int titan_ge_stop(struct net_device *); ++ ++static unsigned long titan_ge_tx_coal(unsigned long, int); ++ ++static void titan_ge_port_reset(unsigned int); ++static int titan_ge_free_tx_queue(titan_ge_port_info *); ++static int titan_ge_rx_task(struct net_device *, titan_ge_port_info *); ++static int titan_ge_port_start(struct net_device *, titan_ge_port_info *); ++ ++static int titan_ge_return_tx_desc(titan_ge_port_info *, int); ++ ++/* ++ * Some configuration for the FIFO and the XDMA channel needs ++ * to be done only once for all the ports. This flag controls ++ * that ++ */ ++static unsigned long config_done; ++ ++/* ++ * One time out of memory flag ++ */ ++static unsigned int oom_flag; ++ ++static int titan_ge_poll(struct net_device *netdev, int *budget); ++ ++static int titan_ge_receive_queue(struct net_device *, unsigned int); ++ ++static struct platform_device *titan_ge_device[3]; ++ ++/* MAC Address */ ++extern unsigned char titan_ge_mac_addr_base[6]; ++ ++unsigned long titan_ge_base; ++static unsigned long titan_ge_sram; ++ ++static char titan_string[] = "titan"; ++ ++/* ++ * The Titan GE has two alignment requirements: ++ * -> skb->data to be cacheline aligned (32 byte) ++ * -> IP header alignment to 16 bytes ++ * ++ * The latter is not implemented. So, that results in an extra copy on ++ * the Rx. This is a big performance hog. For the former case, the ++ * dev_alloc_skb() has been replaced with titan_ge_alloc_skb(). The size ++ * requested is calculated: ++ * ++ * Ethernet Frame Size : 1518 ++ * Ethernet Header : 14 ++ * Future Titan change for IP header alignment : 2 ++ * ++ * Hence, we allocate (1518 + 14 + 2+ 64) = 1580 bytes. For IP header ++ * alignment, we use skb_reserve(). ++ */ ++ ++#define ALIGNED_RX_SKB_ADDR(addr) \ ++ ((((unsigned long)(addr) + (64UL - 1UL)) \ ++ & ~(64UL - 1UL)) - (unsigned long)(addr)) ++ ++#define titan_ge_alloc_skb(__length, __gfp_flags) \ ++({ struct sk_buff *__skb; \ ++ __skb = alloc_skb((__length) + 64, (__gfp_flags)); \ ++ if(__skb) { \ ++ int __offset = (int) ALIGNED_RX_SKB_ADDR(__skb->data); \ ++ if(__offset) \ ++ skb_reserve(__skb, __offset); \ ++ } \ ++ __skb; \ ++}) ++ ++/* ++ * Configure the GMII block of the Titan based on what the PHY tells us ++ */ ++static void titan_ge_gmii_config(int port_num) ++{ ++ unsigned int reg_data = 0, phy_reg; ++ int err; ++ ++ err = titan_ge_mdio_read(port_num, TITAN_GE_MDIO_PHY_STATUS, &phy_reg); ++ ++ if (err == TITAN_GE_MDIO_ERROR) { ++ printk(KERN_ERR ++ "Could not read PHY control register 0x11 \n"); ++ printk(KERN_ERR ++ "Setting speed to 1000 Mbps and Duplex to Full \n"); ++ ++ return; ++ } ++ ++ err = titan_ge_mdio_write(port_num, TITAN_GE_MDIO_PHY_IE, 0); ++ ++ if (phy_reg & 0x8000) { ++ if (phy_reg & 0x2000) { ++ /* Full Duplex and 1000 Mbps */ ++ TITAN_GE_WRITE((TITAN_GE_GMII_CONFIG_MODE + ++ (port_num << 12)), 0x201); ++ } else { ++ /* Half Duplex and 1000 Mbps */ ++ TITAN_GE_WRITE((TITAN_GE_GMII_CONFIG_MODE + ++ (port_num << 12)), 0x2201); ++ } ++ } ++ if (phy_reg & 0x4000) { ++ if (phy_reg & 0x2000) { ++ /* Full Duplex and 100 Mbps */ ++ TITAN_GE_WRITE((TITAN_GE_GMII_CONFIG_MODE + ++ (port_num << 12)), 0x100); ++ } else { ++ /* Half Duplex and 100 Mbps */ ++ TITAN_GE_WRITE((TITAN_GE_GMII_CONFIG_MODE + ++ (port_num << 12)), 0x2100); ++ } ++ } ++ reg_data = TITAN_GE_READ(TITAN_GE_GMII_CONFIG_GENERAL + ++ (port_num << 12)); ++ reg_data |= 0x3; ++ TITAN_GE_WRITE((TITAN_GE_GMII_CONFIG_GENERAL + ++ (port_num << 12)), reg_data); ++} ++ ++/* ++ * Enable the TMAC if it is not ++ */ ++static void titan_ge_enable_tx(unsigned int port_num) ++{ ++ unsigned long reg_data; ++ ++ reg_data = TITAN_GE_READ(TITAN_GE_TMAC_CONFIG_1 + (port_num << 12)); ++ if (!(reg_data & 0x8000)) { ++ printk("TMAC disabled for port %d!! \n", port_num); ++ ++ reg_data |= 0x0001; /* Enable TMAC */ ++ reg_data |= 0x4000; /* CRC Check Enable */ ++ reg_data |= 0x2000; /* Padding enable */ ++ reg_data |= 0x0800; /* CRC Add enable */ ++ reg_data |= 0x0080; /* PAUSE frame */ ++ ++ TITAN_GE_WRITE((TITAN_GE_TMAC_CONFIG_1 + ++ (port_num << 12)), reg_data); ++ } ++} ++ ++/* ++ * Tx Timeout function ++ */ ++static void titan_ge_tx_timeout(struct net_device *netdev) ++{ ++ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); ++ ++ printk(KERN_INFO "%s: TX timeout ", netdev->name); ++ printk(KERN_INFO "Resetting card \n"); ++ ++ /* Do the reset outside of interrupt context */ ++ schedule_work(&titan_ge_eth->tx_timeout_task); ++} ++ ++/* ++ * Update the AFX tables for UC and MC for slice 0 only ++ */ ++static void titan_ge_update_afx(titan_ge_port_info * titan_ge_eth) ++{ ++ int port = titan_ge_eth->port_num; ++ unsigned int i; ++ volatile unsigned long reg_data = 0; ++ u8 p_addr[6]; ++ ++ memcpy(p_addr, titan_ge_eth->port_mac_addr, 6); ++ ++ /* Set the MAC address here for TMAC and RMAC */ ++ TITAN_GE_WRITE((TITAN_GE_TMAC_STATION_HI + (port << 12)), ++ ((p_addr[5] << 8) | p_addr[4])); ++ TITAN_GE_WRITE((TITAN_GE_TMAC_STATION_MID + (port << 12)), ++ ((p_addr[3] << 8) | p_addr[2])); ++ TITAN_GE_WRITE((TITAN_GE_TMAC_STATION_LOW + (port << 12)), ++ ((p_addr[1] << 8) | p_addr[0])); ++ ++ TITAN_GE_WRITE((TITAN_GE_RMAC_STATION_HI + (port << 12)), ++ ((p_addr[5] << 8) | p_addr[4])); ++ TITAN_GE_WRITE((TITAN_GE_RMAC_STATION_MID + (port << 12)), ++ ((p_addr[3] << 8) | p_addr[2])); ++ TITAN_GE_WRITE((TITAN_GE_RMAC_STATION_LOW + (port << 12)), ++ ((p_addr[1] << 8) | p_addr[0])); ++ ++ TITAN_GE_WRITE((0x112c | (port << 12)), 0x1); ++ /* Configure the eight address filters */ ++ for (i = 0; i < 8; i++) { ++ /* Select each of the eight filters */ ++ TITAN_GE_WRITE((TITAN_GE_AFX_ADDRS_FILTER_CTRL_2 + ++ (port << 12)), i); ++ ++ /* Configure the match */ ++ reg_data = 0x9; /* Forward Enable Bit */ ++ TITAN_GE_WRITE((TITAN_GE_AFX_ADDRS_FILTER_CTRL_0 + ++ (port << 12)), reg_data); ++ ++ /* Finally, AFX Exact Match Address Registers */ ++ TITAN_GE_WRITE((TITAN_GE_AFX_EXACT_MATCH_LOW + (port << 12)), ++ ((p_addr[1] << 8) | p_addr[0])); ++ TITAN_GE_WRITE((TITAN_GE_AFX_EXACT_MATCH_MID + (port << 12)), ++ ((p_addr[3] << 8) | p_addr[2])); ++ TITAN_GE_WRITE((TITAN_GE_AFX_EXACT_MATCH_HIGH + (port << 12)), ++ ((p_addr[5] << 8) | p_addr[4])); ++ ++ /* VLAN id set to 0 */ ++ TITAN_GE_WRITE((TITAN_GE_AFX_EXACT_MATCH_VID + ++ (port << 12)), 0); ++ } ++} ++ ++/* ++ * Actual Routine to reset the adapter when the timeout occurred ++ */ ++static void titan_ge_tx_timeout_task(struct net_device *netdev) ++{ ++ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); ++ int port = titan_ge_eth->port_num; ++ ++ printk("Titan GE: Transmit timed out. Resetting ... \n"); ++ ++ /* Dump debug info */ ++ printk(KERN_ERR "TRTG cause : %x \n", ++ TITAN_GE_READ(0x100c + (port << 12))); ++ ++ /* Fix this for the other ports */ ++ printk(KERN_ERR "FIFO cause : %x \n", TITAN_GE_READ(0x482c)); ++ printk(KERN_ERR "IE cause : %x \n", TITAN_GE_READ(0x0040)); ++ printk(KERN_ERR "XDMA GDI ERROR : %x \n", ++ TITAN_GE_READ(0x5008 + (port << 8))); ++ printk(KERN_ERR "CHANNEL ERROR: %x \n", ++ TITAN_GE_READ(TITAN_GE_CHANNEL0_INTERRUPT ++ + (port << 8))); ++ ++ netif_device_detach(netdev); ++ titan_ge_port_reset(titan_ge_eth->port_num); ++ titan_ge_port_start(netdev, titan_ge_eth); ++ netif_device_attach(netdev); ++} ++ ++/* ++ * Change the MTU of the Ethernet Device ++ */ ++static int titan_ge_change_mtu(struct net_device *netdev, int new_mtu) ++{ ++ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); ++ unsigned long flags; ++ ++ if ((new_mtu > 9500) || (new_mtu < 64)) ++ return -EINVAL; ++ ++ spin_lock_irqsave(&titan_ge_eth->lock, flags); ++ ++ netdev->mtu = new_mtu; ++ ++ /* Now we have to reopen the interface so that SKBs with the new ++ * size will be allocated */ ++ ++ if (netif_running(netdev)) { ++ titan_ge_eth_stop(netdev); ++ ++ if (titan_ge_eth_open(netdev) != TITAN_OK) { ++ printk(KERN_ERR ++ "%s: Fatal error on opening device\n", ++ netdev->name); ++ spin_unlock_irqrestore(&titan_ge_eth->lock, flags); ++ return -1; ++ } ++ } ++ ++ spin_unlock_irqrestore(&titan_ge_eth->lock, flags); ++ return 0; ++} ++ ++/* ++ * Titan Gbe Interrupt Handler. All the three ports send interrupt to one line ++ * only. Once an interrupt is triggered, figure out the port and then check ++ * the channel. ++ */ ++static irqreturn_t titan_ge_int_handler(int irq, void *dev_id) ++{ ++ struct net_device *netdev = (struct net_device *) dev_id; ++ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); ++ unsigned int port_num = titan_ge_eth->port_num; ++ unsigned int reg_data; ++ unsigned int eth_int_cause_error = 0, is; ++ unsigned long eth_int_cause1; ++ int err = 0; ++#ifdef CONFIG_SMP ++ unsigned long eth_int_cause2; ++#endif ++ ++ /* Ack the CPU interrupt */ ++ switch (port_num) { ++ case 0: ++ is = OCD_READ(RM9000x2_OCD_INTP0STATUS1); ++ OCD_WRITE(RM9000x2_OCD_INTP0CLEAR1, is); ++ ++#ifdef CONFIG_SMP ++ is = OCD_READ(RM9000x2_OCD_INTP1STATUS1); ++ OCD_WRITE(RM9000x2_OCD_INTP1CLEAR1, is); ++#endif ++ break; ++ ++ case 1: ++ is = OCD_READ(RM9000x2_OCD_INTP0STATUS0); ++ OCD_WRITE(RM9000x2_OCD_INTP0CLEAR0, is); ++ ++#ifdef CONFIG_SMP ++ is = OCD_READ(RM9000x2_OCD_INTP1STATUS0); ++ OCD_WRITE(RM9000x2_OCD_INTP1CLEAR0, is); ++#endif ++ break; ++ ++ case 2: ++ is = OCD_READ(RM9000x2_OCD_INTP0STATUS4); ++ OCD_WRITE(RM9000x2_OCD_INTP0CLEAR4, is); ++ ++#ifdef CONFIG_SMP ++ is = OCD_READ(RM9000x2_OCD_INTP1STATUS4); ++ OCD_WRITE(RM9000x2_OCD_INTP1CLEAR4, is); ++#endif ++ } ++ ++ eth_int_cause1 = TITAN_GE_READ(TITAN_GE_INTR_XDMA_CORE_A); ++#ifdef CONFIG_SMP ++ eth_int_cause2 = TITAN_GE_READ(TITAN_GE_INTR_XDMA_CORE_B); ++#endif ++ ++ /* Spurious interrupt */ ++#ifdef CONFIG_SMP ++ if ( (eth_int_cause1 == 0) && (eth_int_cause2 == 0)) { ++#else ++ if (eth_int_cause1 == 0) { ++#endif ++ eth_int_cause_error = TITAN_GE_READ(TITAN_GE_CHANNEL0_INTERRUPT + ++ (port_num << 8)); ++ ++ if (eth_int_cause_error == 0) ++ return IRQ_NONE; ++ } ++ ++ /* Handle Tx first. No need to ack interrupts */ ++#ifdef CONFIG_SMP ++ if ( (eth_int_cause1 & 0x20202) || ++ (eth_int_cause2 & 0x20202) ) ++#else ++ if (eth_int_cause1 & 0x20202) ++#endif ++ titan_ge_free_tx_queue(titan_ge_eth); ++ ++ /* Handle the Rx next */ ++#ifdef CONFIG_SMP ++ if ( (eth_int_cause1 & 0x10101) || ++ (eth_int_cause2 & 0x10101)) { ++#else ++ if (eth_int_cause1 & 0x10101) { ++#endif ++ if (netif_rx_schedule_prep(netdev)) { ++ unsigned int ack; ++ ++ ack = TITAN_GE_READ(TITAN_GE_INTR_XDMA_IE); ++ /* Disable Tx and Rx both */ ++ if (port_num == 0) ++ ack &= ~(0x3); ++ if (port_num == 1) ++ ack &= ~(0x300); ++ ++ if (port_num == 2) ++ ack &= ~(0x30000); ++ ++ /* Interrupts have been disabled */ ++ TITAN_GE_WRITE(TITAN_GE_INTR_XDMA_IE, ack); ++ ++ __netif_rx_schedule(netdev); ++ } ++ } ++ ++ /* Handle error interrupts */ ++ if (eth_int_cause_error && (eth_int_cause_error != 0x2)) { ++ printk(KERN_ERR ++ "XDMA Channel Error : %x on port %d\n", ++ eth_int_cause_error, port_num); ++ ++ printk(KERN_ERR ++ "XDMA GDI Hardware error : %x on port %d\n", ++ TITAN_GE_READ(0x5008 + (port_num << 8)), port_num); ++ ++ printk(KERN_ERR ++ "XDMA currently has %d Rx descriptors \n", ++ TITAN_GE_READ(0x5048 + (port_num << 8))); ++ ++ printk(KERN_ERR ++ "XDMA currently has prefetcted %d Rx descriptors \n", ++ TITAN_GE_READ(0x505c + (port_num << 8))); ++ ++ TITAN_GE_WRITE((TITAN_GE_CHANNEL0_INTERRUPT + ++ (port_num << 8)), eth_int_cause_error); ++ } ++ ++ /* ++ * PHY interrupt to inform abt the changes. Reading the ++ * PHY Status register will clear the interrupt ++ */ ++ if ((!(eth_int_cause1 & 0x30303)) && ++ (eth_int_cause_error == 0)) { ++ err = ++ titan_ge_mdio_read(port_num, ++ TITAN_GE_MDIO_PHY_IS, ®_data); ++ ++ if (reg_data & 0x0400) { ++ /* Link status change */ ++ titan_ge_mdio_read(port_num, ++ TITAN_GE_MDIO_PHY_STATUS, ®_data); ++ if (!(reg_data & 0x0400)) { ++ /* Link is down */ ++ netif_carrier_off(netdev); ++ netif_stop_queue(netdev); ++ } else { ++ /* Link is up */ ++ netif_carrier_on(netdev); ++ netif_wake_queue(netdev); ++ ++ /* Enable the queue */ ++ titan_ge_enable_tx(port_num); ++ } ++ } ++ } ++ ++ return IRQ_HANDLED; ++} ++ ++/* ++ * Multicast and Promiscuous mode set. The ++ * set_multi entry point is called whenever the ++ * multicast address list or the network interface ++ * flags are updated. ++ */ ++static void titan_ge_set_multi(struct net_device *netdev) ++{ ++ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); ++ unsigned int port_num = titan_ge_eth->port_num; ++ unsigned long reg_data; ++ ++ reg_data = TITAN_GE_READ(TITAN_GE_AFX_ADDRS_FILTER_CTRL_1 + ++ (port_num << 12)); ++ ++ if (netdev->flags & IFF_PROMISC) { ++ reg_data |= 0x2; ++ } ++ else if (netdev->flags & IFF_ALLMULTI) { ++ reg_data |= 0x01; ++ reg_data |= 0x400; /* Use the 64-bit Multicast Hash bin */ ++ } ++ else { ++ reg_data = 0x2; ++ } ++ ++ TITAN_GE_WRITE((TITAN_GE_AFX_ADDRS_FILTER_CTRL_1 + ++ (port_num << 12)), reg_data); ++ if (reg_data & 0x01) { ++ TITAN_GE_WRITE((TITAN_GE_AFX_MULTICAST_HASH_LOW + ++ (port_num << 12)), 0xffff); ++ TITAN_GE_WRITE((TITAN_GE_AFX_MULTICAST_HASH_MIDLOW + ++ (port_num << 12)), 0xffff); ++ TITAN_GE_WRITE((TITAN_GE_AFX_MULTICAST_HASH_MIDHI + ++ (port_num << 12)), 0xffff); ++ TITAN_GE_WRITE((TITAN_GE_AFX_MULTICAST_HASH_HI + ++ (port_num << 12)), 0xffff); ++ } ++} ++ ++/* ++ * Open the network device ++ */ ++static int titan_ge_open(struct net_device *netdev) ++{ ++ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); ++ unsigned int port_num = titan_ge_eth->port_num; ++ unsigned int irq = TITAN_ETH_PORT_IRQ - port_num; ++ int retval; ++ ++ retval = request_irq(irq, titan_ge_int_handler, ++ SA_INTERRUPT | SA_SAMPLE_RANDOM , netdev->name, netdev); ++ ++ if (retval != 0) { ++ printk(KERN_ERR "Cannot assign IRQ number to TITAN GE \n"); ++ return -1; ++ } ++ ++ netdev->irq = irq; ++ printk(KERN_INFO "Assigned IRQ %d to port %d\n", irq, port_num); ++ ++ spin_lock_irq(&(titan_ge_eth->lock)); ++ ++ if (titan_ge_eth_open(netdev) != TITAN_OK) { ++ spin_unlock_irq(&(titan_ge_eth->lock)); ++ printk("%s: Error opening interface \n", netdev->name); ++ free_irq(netdev->irq, netdev); ++ return -EBUSY; ++ } ++ ++ spin_unlock_irq(&(titan_ge_eth->lock)); ++ ++ return 0; ++} ++ ++/* ++ * Allocate the SKBs for the Rx ring. Also used ++ * for refilling the queue ++ */ ++static int titan_ge_rx_task(struct net_device *netdev, ++ titan_ge_port_info *titan_ge_port) ++{ ++ struct device *device = &titan_ge_device[titan_ge_port->port_num]->dev; ++ volatile titan_ge_rx_desc *rx_desc; ++ struct sk_buff *skb; ++ int rx_used_desc; ++ int count = 0; ++ ++ while (titan_ge_port->rx_ring_skbs < titan_ge_port->rx_ring_size) { ++ ++ /* First try to get the skb from the recycler */ ++#ifdef TITAN_GE_JUMBO_FRAMES ++ skb = titan_ge_alloc_skb(TITAN_GE_JUMBO_BUFSIZE, GFP_ATOMIC); ++#else ++ skb = titan_ge_alloc_skb(TITAN_GE_STD_BUFSIZE, GFP_ATOMIC); ++#endif ++ if (unlikely(!skb)) { ++ /* OOM, set the flag */ ++ printk("OOM \n"); ++ oom_flag = 1; ++ break; ++ } ++ count++; ++ skb->dev = netdev; ++ ++ titan_ge_port->rx_ring_skbs++; ++ ++ rx_used_desc = titan_ge_port->rx_used_desc_q; ++ rx_desc = &(titan_ge_port->rx_desc_area[rx_used_desc]); ++ ++#ifdef TITAN_GE_JUMBO_FRAMES ++ rx_desc->buffer_addr = dma_map_single(device, skb->data, ++ TITAN_GE_JUMBO_BUFSIZE - 2, DMA_FROM_DEVICE); ++#else ++ rx_desc->buffer_addr = dma_map_single(device, skb->data, ++ TITAN_GE_STD_BUFSIZE - 2, DMA_FROM_DEVICE); ++#endif ++ ++ titan_ge_port->rx_skb[rx_used_desc] = skb; ++ rx_desc->cmd_sts = TITAN_GE_RX_BUFFER_OWNED; ++ ++ titan_ge_port->rx_used_desc_q = ++ (rx_used_desc + 1) % TITAN_GE_RX_QUEUE; ++ } ++ ++ return count; ++} ++ ++/* ++ * Actual init of the Tital GE port. There is one register for ++ * the channel configuration ++ */ ++static void titan_port_init(struct net_device *netdev, ++ titan_ge_port_info * titan_ge_eth) ++{ ++ unsigned long reg_data; ++ ++ titan_ge_port_reset(titan_ge_eth->port_num); ++ ++ /* First reset the TMAC */ ++ reg_data = TITAN_GE_READ(TITAN_GE_CHANNEL0_CONFIG); ++ reg_data |= 0x80000000; ++ TITAN_GE_WRITE(TITAN_GE_CHANNEL0_CONFIG, reg_data); ++ ++ udelay(30); ++ ++ reg_data = TITAN_GE_READ(TITAN_GE_CHANNEL0_CONFIG); ++ reg_data &= ~(0xc0000000); ++ TITAN_GE_WRITE(TITAN_GE_CHANNEL0_CONFIG, reg_data); ++ ++ /* Now reset the RMAC */ ++ reg_data = TITAN_GE_READ(TITAN_GE_CHANNEL0_CONFIG); ++ reg_data |= 0x00080000; ++ TITAN_GE_WRITE(TITAN_GE_CHANNEL0_CONFIG, reg_data); ++ ++ udelay(30); ++ ++ reg_data = TITAN_GE_READ(TITAN_GE_CHANNEL0_CONFIG); ++ reg_data &= ~(0x000c0000); ++ TITAN_GE_WRITE(TITAN_GE_CHANNEL0_CONFIG, reg_data); ++} ++ ++/* ++ * Start the port. All the hardware specific configuration ++ * for the XDMA, Tx FIFO, Rx FIFO, TMAC, RMAC, TRTG and AFX ++ * go here ++ */ ++static int titan_ge_port_start(struct net_device *netdev, ++ titan_ge_port_info * titan_port) ++{ ++ volatile unsigned long reg_data, reg_data1; ++ int port_num = titan_port->port_num; ++ int count = 0; ++ unsigned long reg_data_1; ++ ++ if (config_done == 0) { ++ reg_data = TITAN_GE_READ(0x0004); ++ reg_data |= 0x100; ++ TITAN_GE_WRITE(0x0004, reg_data); ++ ++ reg_data &= ~(0x100); ++ TITAN_GE_WRITE(0x0004, reg_data); ++ ++ /* Turn on GMII/MII mode and turn off TBI mode */ ++ reg_data = TITAN_GE_READ(TITAN_GE_TSB_CTRL_1); ++ reg_data |= 0x00000700; ++ reg_data &= ~(0x00800000); /* Fencing */ ++ ++ TITAN_GE_WRITE(0x000c, 0x00001100); ++ ++ TITAN_GE_WRITE(TITAN_GE_TSB_CTRL_1, reg_data); ++ ++ /* Set the CPU Resource Limit register */ ++ TITAN_GE_WRITE(0x00f8, 0x8); ++ ++ /* Be conservative when using the BIU buffers */ ++ TITAN_GE_WRITE(0x0068, 0x4); ++ } ++ ++ titan_port->tx_threshold = 0; ++ titan_port->rx_threshold = 0; ++ ++ /* We need to write the descriptors for Tx and Rx */ ++ TITAN_GE_WRITE((TITAN_GE_CHANNEL0_TX_DESC + (port_num << 8)), ++ (unsigned long) titan_port->tx_dma); ++ TITAN_GE_WRITE((TITAN_GE_CHANNEL0_RX_DESC + (port_num << 8)), ++ (unsigned long) titan_port->rx_dma); ++ ++ if (config_done == 0) { ++ /* Step 1: XDMA config */ ++ reg_data = TITAN_GE_READ(TITAN_GE_XDMA_CONFIG); ++ reg_data &= ~(0x80000000); /* clear reset */ ++ reg_data |= 0x1 << 29; /* sparse tx descriptor spacing */ ++ reg_data |= 0x1 << 28; /* sparse rx descriptor spacing */ ++ reg_data |= (0x1 << 23) | (0x1 << 24); /* Descriptor Coherency */ ++ reg_data |= (0x1 << 21) | (0x1 << 22); /* Data Coherency */ ++ TITAN_GE_WRITE(TITAN_GE_XDMA_CONFIG, reg_data); ++ } ++ ++ /* IR register for the XDMA */ ++ reg_data = TITAN_GE_READ(TITAN_GE_GDI_INTERRUPT_ENABLE + (port_num << 8)); ++ reg_data |= 0x80068000; /* No Rx_OOD */ ++ TITAN_GE_WRITE((TITAN_GE_GDI_INTERRUPT_ENABLE + (port_num << 8)), reg_data); ++ ++ /* Start the Tx and Rx XDMA controller */ ++ reg_data = TITAN_GE_READ(TITAN_GE_CHANNEL0_CONFIG + (port_num << 8)); ++ reg_data &= 0x4fffffff; /* Clear tx reset */ ++ reg_data &= 0xfff4ffff; /* Clear rx reset */ ++ ++#ifdef TITAN_GE_JUMBO_FRAMES ++ reg_data |= 0xa0 | 0x30030000; ++#else ++ reg_data |= 0x40 | 0x20030000; ++#endif ++ ++#ifndef CONFIG_SMP ++ reg_data &= ~(0x10); ++ reg_data |= 0x0f; /* All of the packet */ ++#endif ++ ++ TITAN_GE_WRITE((TITAN_GE_CHANNEL0_CONFIG + (port_num << 8)), reg_data); ++ ++ /* Rx desc count */ ++ count = titan_ge_rx_task(netdev, titan_port); ++ TITAN_GE_WRITE((0x5048 + (port_num << 8)), count); ++ count = TITAN_GE_READ(0x5048 + (port_num << 8)); ++ ++ udelay(30); ++ ++ /* ++ * Step 2: Configure the SDQPF, i.e. FIFO ++ */ ++ if (config_done == 0) { ++ reg_data = TITAN_GE_READ(TITAN_GE_SDQPF_RXFIFO_CTL); ++ reg_data = 0x1; ++ TITAN_GE_WRITE(TITAN_GE_SDQPF_RXFIFO_CTL, reg_data); ++ reg_data &= ~(0x1); ++ TITAN_GE_WRITE(TITAN_GE_SDQPF_RXFIFO_CTL, reg_data); ++ reg_data = TITAN_GE_READ(TITAN_GE_SDQPF_RXFIFO_CTL); ++ TITAN_GE_WRITE(TITAN_GE_SDQPF_RXFIFO_CTL, reg_data); ++ ++ reg_data = TITAN_GE_READ(TITAN_GE_SDQPF_TXFIFO_CTL); ++ reg_data = 0x1; ++ TITAN_GE_WRITE(TITAN_GE_SDQPF_TXFIFO_CTL, reg_data); ++ reg_data &= ~(0x1); ++ TITAN_GE_WRITE(TITAN_GE_SDQPF_TXFIFO_CTL, reg_data); ++ reg_data = TITAN_GE_READ(TITAN_GE_SDQPF_TXFIFO_CTL); ++ TITAN_GE_WRITE(TITAN_GE_SDQPF_TXFIFO_CTL, reg_data); ++ } ++ /* ++ * Enable RX FIFO 0, 4 and 8 ++ */ ++ if (port_num == 0) { ++ reg_data = TITAN_GE_READ(TITAN_GE_SDQPF_RXFIFO_0); ++ ++ reg_data |= 0x100000; ++ reg_data |= (0xff << 10); ++ ++ TITAN_GE_WRITE(TITAN_GE_SDQPF_RXFIFO_0, reg_data); ++ /* ++ * BAV2,BAV and DAV settings for the Rx FIFO ++ */ ++ reg_data1 = TITAN_GE_READ(0x4844); ++ reg_data1 |= ( (0x10 << 20) | (0x10 << 10) | 0x1); ++ TITAN_GE_WRITE(0x4844, reg_data1); ++ ++ reg_data &= ~(0x00100000); ++ reg_data |= 0x200000; ++ ++ TITAN_GE_WRITE(TITAN_GE_SDQPF_RXFIFO_0, reg_data); ++ ++ reg_data = TITAN_GE_READ(TITAN_GE_SDQPF_TXFIFO_0); ++ reg_data |= 0x100000; ++ ++ TITAN_GE_WRITE(TITAN_GE_SDQPF_TXFIFO_0, reg_data); ++ ++ reg_data |= (0xff << 10); ++ ++ TITAN_GE_WRITE(TITAN_GE_SDQPF_TXFIFO_0, reg_data); ++ ++ /* ++ * BAV2, BAV and DAV settings for the Tx FIFO ++ */ ++ reg_data1 = TITAN_GE_READ(0x4944); ++ reg_data1 = ( (0x1 << 20) | (0x1 << 10) | 0x10); ++ ++ TITAN_GE_WRITE(0x4944, reg_data1); ++ ++ reg_data &= ~(0x00100000); ++ reg_data |= 0x200000; ++ ++ TITAN_GE_WRITE(TITAN_GE_SDQPF_TXFIFO_0, reg_data); ++ ++ } ++ ++ if (port_num == 1) { ++ reg_data = TITAN_GE_READ(0x4870); ++ ++ reg_data |= 0x100000; ++ reg_data |= (0xff << 10) | (0xff + 1); ++ ++ TITAN_GE_WRITE(0x4870, reg_data); ++ /* ++ * BAV2,BAV and DAV settings for the Rx FIFO ++ */ ++ reg_data1 = TITAN_GE_READ(0x4874); ++ reg_data1 |= ( (0x10 << 20) | (0x10 << 10) | 0x1); ++ TITAN_GE_WRITE(0x4874, reg_data1); ++ ++ reg_data &= ~(0x00100000); ++ reg_data |= 0x200000; ++ ++ TITAN_GE_WRITE(0x4870, reg_data); ++ ++ reg_data = TITAN_GE_READ(0x494c); ++ reg_data |= 0x100000; ++ ++ TITAN_GE_WRITE(0x494c, reg_data); ++ reg_data |= (0xff << 10) | (0xff + 1); ++ TITAN_GE_WRITE(0x494c, reg_data); ++ ++ /* ++ * BAV2, BAV and DAV settings for the Tx FIFO ++ */ ++ reg_data1 = TITAN_GE_READ(0x4950); ++ reg_data1 = ( (0x1 << 20) | (0x1 << 10) | 0x10); ++ ++ TITAN_GE_WRITE(0x4950, reg_data1); ++ ++ reg_data &= ~(0x00100000); ++ reg_data |= 0x200000; ++ ++ TITAN_GE_WRITE(0x494c, reg_data); ++ } ++ ++ /* ++ * Titan 1.2 revision does support port #2 ++ */ ++ if (port_num == 2) { ++ /* ++ * Put the descriptors in the SRAM ++ */ ++ reg_data = TITAN_GE_READ(0x48a0); ++ ++ reg_data |= 0x100000; ++ reg_data |= (0xff << 10) | (2*(0xff + 1)); ++ ++ TITAN_GE_WRITE(0x48a0, reg_data); ++ /* ++ * BAV2,BAV and DAV settings for the Rx FIFO ++ */ ++ reg_data1 = TITAN_GE_READ(0x48a4); ++ reg_data1 |= ( (0x10 << 20) | (0x10 << 10) | 0x1); ++ TITAN_GE_WRITE(0x48a4, reg_data1); ++ ++ reg_data &= ~(0x00100000); ++ reg_data |= 0x200000; ++ ++ TITAN_GE_WRITE(0x48a0, reg_data); ++ ++ reg_data = TITAN_GE_READ(0x4958); ++ reg_data |= 0x100000; ++ ++ TITAN_GE_WRITE(0x4958, reg_data); ++ reg_data |= (0xff << 10) | (2*(0xff + 1)); ++ TITAN_GE_WRITE(0x4958, reg_data); ++ ++ /* ++ * BAV2, BAV and DAV settings for the Tx FIFO ++ */ ++ reg_data1 = TITAN_GE_READ(0x495c); ++ reg_data1 = ( (0x1 << 20) | (0x1 << 10) | 0x10); ++ ++ TITAN_GE_WRITE(0x495c, reg_data1); ++ ++ reg_data &= ~(0x00100000); ++ reg_data |= 0x200000; ++ ++ TITAN_GE_WRITE(0x4958, reg_data); ++ } ++ ++ if (port_num == 2) { ++ reg_data = TITAN_GE_READ(0x48a0); ++ ++ reg_data |= 0x100000; ++ reg_data |= (0xff << 10) | (2*(0xff + 1)); ++ ++ TITAN_GE_WRITE(0x48a0, reg_data); ++ /* ++ * BAV2,BAV and DAV settings for the Rx FIFO ++ */ ++ reg_data1 = TITAN_GE_READ(0x48a4); ++ reg_data1 |= ( (0x10 << 20) | (0x10 << 10) | 0x1); ++ TITAN_GE_WRITE(0x48a4, reg_data1); ++ ++ reg_data &= ~(0x00100000); ++ reg_data |= 0x200000; ++ ++ TITAN_GE_WRITE(0x48a0, reg_data); ++ ++ reg_data = TITAN_GE_READ(0x4958); ++ reg_data |= 0x100000; ++ ++ TITAN_GE_WRITE(0x4958, reg_data); ++ reg_data |= (0xff << 10) | (2*(0xff + 1)); ++ TITAN_GE_WRITE(0x4958, reg_data); ++ ++ /* ++ * BAV2, BAV and DAV settings for the Tx FIFO ++ */ ++ reg_data1 = TITAN_GE_READ(0x495c); ++ reg_data1 = ( (0x1 << 20) | (0x1 << 10) | 0x10); ++ ++ TITAN_GE_WRITE(0x495c, reg_data1); ++ ++ reg_data &= ~(0x00100000); ++ reg_data |= 0x200000; ++ ++ TITAN_GE_WRITE(0x4958, reg_data); ++ } ++ ++ /* ++ * Step 3: TRTG block enable ++ */ ++ reg_data = TITAN_GE_READ(TITAN_GE_TRTG_CONFIG + (port_num << 12)); ++ ++ /* ++ * This is the 1.2 revision of the chip. It has fix for the ++ * IP header alignment. Now, the IP header begins at an ++ * aligned address and this wont need an extra copy in the ++ * driver. This performance drawback existed in the previous ++ * versions of the silicon ++ */ ++ reg_data_1 = TITAN_GE_READ(0x103c + (port_num << 12)); ++ reg_data_1 |= 0x40000000; ++ TITAN_GE_WRITE((0x103c + (port_num << 12)), reg_data_1); ++ ++ reg_data_1 |= 0x04000000; ++ TITAN_GE_WRITE((0x103c + (port_num << 12)), reg_data_1); ++ ++ mdelay(5); ++ ++ reg_data_1 &= ~(0x04000000); ++ TITAN_GE_WRITE((0x103c + (port_num << 12)), reg_data_1); ++ ++ mdelay(5); ++ ++ reg_data |= 0x0001; ++ TITAN_GE_WRITE((TITAN_GE_TRTG_CONFIG + (port_num << 12)), reg_data); ++ ++ /* ++ * Step 4: Start the Tx activity ++ */ ++ TITAN_GE_WRITE((TITAN_GE_TMAC_CONFIG_2 + (port_num << 12)), 0xe197); ++#ifdef TITAN_GE_JUMBO_FRAMES ++ TITAN_GE_WRITE((0x1258 + (port_num << 12)), 0x4000); ++#endif ++ reg_data = TITAN_GE_READ(TITAN_GE_TMAC_CONFIG_1 + (port_num << 12)); ++ reg_data |= 0x0001; /* Enable TMAC */ ++ reg_data |= 0x6c70; /* PAUSE also set */ ++ ++ TITAN_GE_WRITE((TITAN_GE_TMAC_CONFIG_1 + (port_num << 12)), reg_data); ++ ++ udelay(30); ++ ++ /* Destination Address drop bit */ ++ reg_data = TITAN_GE_READ(TITAN_GE_RMAC_CONFIG_2 + (port_num << 12)); ++ reg_data |= 0x218; /* DA_DROP bit and pause */ ++ TITAN_GE_WRITE((TITAN_GE_RMAC_CONFIG_2 + (port_num << 12)), reg_data); ++ ++ TITAN_GE_WRITE((0x1218 + (port_num << 12)), 0x3); ++ ++#ifdef TITAN_GE_JUMBO_FRAMES ++ TITAN_GE_WRITE((0x1208 + (port_num << 12)), 0x4000); ++#endif ++ /* Start the Rx activity */ ++ reg_data = TITAN_GE_READ(TITAN_GE_RMAC_CONFIG_1 + (port_num << 12)); ++ reg_data |= 0x0001; /* RMAC Enable */ ++ reg_data |= 0x0010; /* CRC Check enable */ ++ reg_data |= 0x0040; /* Min Frame check enable */ ++ reg_data |= 0x4400; /* Max Frame check enable */ ++ ++ TITAN_GE_WRITE((TITAN_GE_RMAC_CONFIG_1 + (port_num << 12)), reg_data); ++ ++ udelay(30); ++ ++ /* ++ * Enable the Interrupts for Tx and Rx ++ */ ++ reg_data1 = TITAN_GE_READ(TITAN_GE_INTR_XDMA_IE); ++ ++ if (port_num == 0) { ++ reg_data1 |= 0x3; ++#ifdef CONFIG_SMP ++ TITAN_GE_WRITE(0x0038, 0x003); ++#else ++ TITAN_GE_WRITE(0x0038, 0x303); ++#endif ++ } ++ ++ if (port_num == 1) { ++ reg_data1 |= 0x300; ++ } ++ ++ if (port_num == 2) ++ reg_data1 |= 0x30000; ++ ++ TITAN_GE_WRITE(TITAN_GE_INTR_XDMA_IE, reg_data1); ++ TITAN_GE_WRITE(0x003c, 0x300); ++ ++ if (config_done == 0) { ++ TITAN_GE_WRITE(0x0024, 0x04000024); /* IRQ vector */ ++ TITAN_GE_WRITE(0x0020, 0x000fb000); /* INTMSG base */ ++ } ++ ++ /* Priority */ ++ reg_data = TITAN_GE_READ(0x1038 + (port_num << 12)); ++ reg_data &= ~(0x00f00000); ++ TITAN_GE_WRITE((0x1038 + (port_num << 12)), reg_data); ++ ++ /* Step 5: GMII config */ ++ titan_ge_gmii_config(port_num); ++ ++ if (config_done == 0) { ++ TITAN_GE_WRITE(0x1a80, 0); ++ config_done = 1; ++ } ++ ++ return TITAN_OK; ++} ++ ++/* ++ * Function to queue the packet for the Ethernet device ++ */ ++static void titan_ge_tx_queue(titan_ge_port_info * titan_ge_eth, ++ struct sk_buff * skb) ++{ ++ struct device *device = &titan_ge_device[titan_ge_eth->port_num]->dev; ++ unsigned int curr_desc = titan_ge_eth->tx_curr_desc_q; ++ volatile titan_ge_tx_desc *tx_curr; ++ int port_num = titan_ge_eth->port_num; ++ ++ tx_curr = &(titan_ge_eth->tx_desc_area[curr_desc]); ++ tx_curr->buffer_addr = ++ dma_map_single(device, skb->data, skb_headlen(skb), ++ DMA_TO_DEVICE); ++ ++ titan_ge_eth->tx_skb[curr_desc] = (struct sk_buff *) skb; ++ tx_curr->buffer_len = skb_headlen(skb); ++ ++ /* Last descriptor enables interrupt and changes ownership */ ++ tx_curr->cmd_sts = 0x1 | (1 << 15) | (1 << 5); ++ ++ /* Kick the XDMA to start the transfer from memory to the FIFO */ ++ TITAN_GE_WRITE((0x5044 + (port_num << 8)), 0x1); ++ ++ /* Current descriptor updated */ ++ titan_ge_eth->tx_curr_desc_q = (curr_desc + 1) % TITAN_GE_TX_QUEUE; ++ ++ /* Prefetch the next descriptor */ ++ prefetch((const void *) ++ &titan_ge_eth->tx_desc_area[titan_ge_eth->tx_curr_desc_q]); ++} ++ ++/* ++ * Actually does the open of the Ethernet device ++ */ ++static int titan_ge_eth_open(struct net_device *netdev) ++{ ++ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); ++ unsigned int port_num = titan_ge_eth->port_num; ++ struct device *device = &titan_ge_device[port_num]->dev; ++ unsigned long reg_data; ++ unsigned int phy_reg; ++ int err = 0; ++ ++ /* Stop the Rx activity */ ++ reg_data = TITAN_GE_READ(TITAN_GE_RMAC_CONFIG_1 + (port_num << 12)); ++ reg_data &= ~(0x00000001); ++ TITAN_GE_WRITE((TITAN_GE_RMAC_CONFIG_1 + (port_num << 12)), reg_data); ++ ++ /* Clear the port interrupts */ ++ TITAN_GE_WRITE((TITAN_GE_CHANNEL0_INTERRUPT + (port_num << 8)), 0x0); ++ ++ if (config_done == 0) { ++ TITAN_GE_WRITE(TITAN_GE_INTR_XDMA_CORE_A, 0); ++ TITAN_GE_WRITE(TITAN_GE_INTR_XDMA_CORE_B, 0); ++ } ++ ++ /* Set the MAC Address */ ++ memcpy(titan_ge_eth->port_mac_addr, netdev->dev_addr, 6); ++ ++ if (config_done == 0) ++ titan_port_init(netdev, titan_ge_eth); ++ ++ titan_ge_update_afx(titan_ge_eth); ++ ++ /* Allocate the Tx ring now */ ++ titan_ge_eth->tx_ring_skbs = 0; ++ titan_ge_eth->tx_ring_size = TITAN_GE_TX_QUEUE; ++ ++ /* Allocate space in the SRAM for the descriptors */ ++ titan_ge_eth->tx_desc_area = (titan_ge_tx_desc *) ++ (titan_ge_sram + TITAN_TX_RING_BYTES * port_num); ++ titan_ge_eth->tx_dma = TITAN_SRAM_BASE + TITAN_TX_RING_BYTES * port_num; ++ ++ if (!titan_ge_eth->tx_desc_area) { ++ printk(KERN_ERR ++ "%s: Cannot allocate Tx Ring (size %d bytes) for port %d\n", ++ netdev->name, TITAN_TX_RING_BYTES, port_num); ++ return -ENOMEM; ++ } ++ ++ memset(titan_ge_eth->tx_desc_area, 0, titan_ge_eth->tx_desc_area_size); ++ ++ /* Now initialize the Tx descriptor ring */ ++ titan_ge_init_tx_desc_ring(titan_ge_eth, ++ titan_ge_eth->tx_ring_size, ++ (unsigned long) titan_ge_eth->tx_desc_area, ++ (unsigned long) titan_ge_eth->tx_dma); ++ ++ /* Allocate the Rx ring now */ ++ titan_ge_eth->rx_ring_size = TITAN_GE_RX_QUEUE; ++ titan_ge_eth->rx_ring_skbs = 0; ++ ++ titan_ge_eth->rx_desc_area = ++ (titan_ge_rx_desc *)(titan_ge_sram + 0x1000 + TITAN_RX_RING_BYTES * port_num); ++ ++ titan_ge_eth->rx_dma = TITAN_SRAM_BASE + 0x1000 + TITAN_RX_RING_BYTES * port_num; ++ ++ if (!titan_ge_eth->rx_desc_area) { ++ printk(KERN_ERR "%s: Cannot allocate Rx Ring (size %d bytes)\n", ++ netdev->name, TITAN_RX_RING_BYTES); ++ ++ printk(KERN_ERR "%s: Freeing previously allocated TX queues...", ++ netdev->name); ++ ++ dma_free_coherent(device, titan_ge_eth->tx_desc_area_size, ++ (void *) titan_ge_eth->tx_desc_area, ++ titan_ge_eth->tx_dma); ++ ++ return -ENOMEM; ++ } ++ ++ memset(titan_ge_eth->rx_desc_area, 0, titan_ge_eth->rx_desc_area_size); ++ ++ /* Now initialize the Rx ring */ ++#ifdef TITAN_GE_JUMBO_FRAMES ++ if ((titan_ge_init_rx_desc_ring ++ (titan_ge_eth, titan_ge_eth->rx_ring_size, TITAN_GE_JUMBO_BUFSIZE, ++ (unsigned long) titan_ge_eth->rx_desc_area, 0, ++ (unsigned long) titan_ge_eth->rx_dma)) == 0) ++#else ++ if ((titan_ge_init_rx_desc_ring ++ (titan_ge_eth, titan_ge_eth->rx_ring_size, TITAN_GE_STD_BUFSIZE, ++ (unsigned long) titan_ge_eth->rx_desc_area, 0, ++ (unsigned long) titan_ge_eth->rx_dma)) == 0) ++#endif ++ panic("%s: Error initializing RX Ring\n", netdev->name); ++ ++ /* Fill the Rx ring with the SKBs */ ++ titan_ge_port_start(netdev, titan_ge_eth); ++ ++ /* ++ * Check if Interrupt Coalscing needs to be turned on. The ++ * values specified in the register is multiplied by ++ * (8 x 64 nanoseconds) to determine when an interrupt should ++ * be sent to the CPU. ++ */ ++ ++ if (TITAN_GE_TX_COAL) { ++ titan_ge_eth->tx_int_coal = ++ titan_ge_tx_coal(TITAN_GE_TX_COAL, port_num); ++ } ++ ++ err = titan_ge_mdio_read(port_num, TITAN_GE_MDIO_PHY_STATUS, &phy_reg); ++ if (err == TITAN_GE_MDIO_ERROR) { ++ printk(KERN_ERR ++ "Could not read PHY control register 0x11 \n"); ++ return TITAN_ERROR; ++ } ++ if (!(phy_reg & 0x0400)) { ++ netif_carrier_off(netdev); ++ netif_stop_queue(netdev); ++ return TITAN_ERROR; ++ } else { ++ netif_carrier_on(netdev); ++ netif_start_queue(netdev); ++ } ++ ++ return TITAN_OK; ++} ++ ++/* ++ * Queue the packet for Tx. Currently no support for zero copy, ++ * checksum offload and Scatter Gather. The chip does support ++ * Scatter Gather only. But, that wont help here since zero copy ++ * requires support for Tx checksumming also. ++ */ ++int titan_ge_start_xmit(struct sk_buff *skb, struct net_device *netdev) ++{ ++ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); ++ unsigned long flags; ++ struct net_device_stats *stats; ++//printk("titan_ge_start_xmit\n"); ++ ++ stats = &titan_ge_eth->stats; ++ spin_lock_irqsave(&titan_ge_eth->lock, flags); ++ ++ if ((TITAN_GE_TX_QUEUE - titan_ge_eth->tx_ring_skbs) <= ++ (skb_shinfo(skb)->nr_frags + 1)) { ++ netif_stop_queue(netdev); ++ spin_unlock_irqrestore(&titan_ge_eth->lock, flags); ++ printk(KERN_ERR "Tx OOD \n"); ++ return 1; ++ } ++ ++ titan_ge_tx_queue(titan_ge_eth, skb); ++ titan_ge_eth->tx_ring_skbs++; ++ ++ if (TITAN_GE_TX_QUEUE <= (titan_ge_eth->tx_ring_skbs + 4)) { ++ spin_unlock_irqrestore(&titan_ge_eth->lock, flags); ++ titan_ge_free_tx_queue(titan_ge_eth); ++ spin_lock_irqsave(&titan_ge_eth->lock, flags); ++ } ++ ++ stats->tx_bytes += skb->len; ++ stats->tx_packets++; ++ ++ spin_unlock_irqrestore(&titan_ge_eth->lock, flags); ++ ++ netdev->trans_start = jiffies; ++ ++ return 0; ++} ++ ++/* ++ * Actually does the Rx. Rx side checksumming supported. ++ */ ++static int titan_ge_rx(struct net_device *netdev, int port_num, ++ titan_ge_port_info * titan_ge_port, ++ titan_ge_packet * packet) ++{ ++ int rx_curr_desc, rx_used_desc; ++ volatile titan_ge_rx_desc *rx_desc; ++ ++ rx_curr_desc = titan_ge_port->rx_curr_desc_q; ++ rx_used_desc = titan_ge_port->rx_used_desc_q; ++ ++ if (((rx_curr_desc + 1) % TITAN_GE_RX_QUEUE) == rx_used_desc) ++ return TITAN_ERROR; ++ ++ rx_desc = &(titan_ge_port->rx_desc_area[rx_curr_desc]); ++ ++ if (rx_desc->cmd_sts & TITAN_GE_RX_BUFFER_OWNED) ++ return TITAN_ERROR; ++ ++ packet->skb = titan_ge_port->rx_skb[rx_curr_desc]; ++ packet->len = (rx_desc->cmd_sts & 0x7fff); ++ ++ /* ++ * At this point, we dont know if the checksumming ++ * actually helps relieve CPU. So, keep it for ++ * port 0 only ++ */ ++ packet->checksum = ntohs((rx_desc->buffer & 0xffff0000) >> 16); ++ packet->cmd_sts = rx_desc->cmd_sts; ++ ++ titan_ge_port->rx_curr_desc_q = (rx_curr_desc + 1) % TITAN_GE_RX_QUEUE; ++ ++ /* Prefetch the next descriptor */ ++ prefetch((const void *) ++ &titan_ge_port->rx_desc_area[titan_ge_port->rx_curr_desc_q + 1]); ++ ++ return TITAN_OK; ++} ++ ++/* ++ * Free the Tx queue of the used SKBs ++ */ ++static int titan_ge_free_tx_queue(titan_ge_port_info *titan_ge_eth) ++{ ++ unsigned long flags; ++ ++ /* Take the lock */ ++ spin_lock_irqsave(&(titan_ge_eth->lock), flags); ++ ++ while (titan_ge_return_tx_desc(titan_ge_eth, titan_ge_eth->port_num) == 0) ++ if (titan_ge_eth->tx_ring_skbs != 1) ++ titan_ge_eth->tx_ring_skbs--; ++ ++ spin_unlock_irqrestore(&titan_ge_eth->lock, flags); ++ ++ return TITAN_OK; ++} ++ ++/* ++ * Threshold beyond which we do the cleaning of ++ * Tx queue and new allocation for the Rx ++ * queue ++ */ ++#define TX_THRESHOLD 4 ++#define RX_THRESHOLD 10 ++ ++/* ++ * Receive the packets and send it to the kernel. ++ */ ++static int titan_ge_receive_queue(struct net_device *netdev, unsigned int max) ++{ ++ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); ++ unsigned int port_num = titan_ge_eth->port_num; ++ titan_ge_packet packet; ++ struct net_device_stats *stats; ++ struct sk_buff *skb; ++ unsigned long received_packets = 0; ++ unsigned int ack; ++ ++ stats = &titan_ge_eth->stats; ++ ++ while ((--max) ++ && (titan_ge_rx(netdev, port_num, titan_ge_eth, &packet) == TITAN_OK)) { ++ skb = (struct sk_buff *) packet.skb; ++ ++ titan_ge_eth->rx_ring_skbs--; ++ ++ if (--titan_ge_eth->rx_work_limit < 0) ++ break; ++ received_packets++; ++ ++ stats->rx_packets++; ++ stats->rx_bytes += packet.len; ++ ++ if ((packet.cmd_sts & TITAN_GE_RX_PERR) || ++ (packet.cmd_sts & TITAN_GE_RX_OVERFLOW_ERROR) || ++ (packet.cmd_sts & TITAN_GE_RX_TRUNC) || ++ (packet.cmd_sts & TITAN_GE_RX_CRC_ERROR)) { ++ stats->rx_dropped++; ++ dev_kfree_skb_any(skb); ++ ++ continue; ++ } ++ /* ++ * Either support fast path or slow path. Decision ++ * making can really slow down the performance. The ++ * idea is to cut down the number of checks and improve ++ * the fastpath. ++ */ ++ ++ skb_put(skb, packet.len - 2); ++ ++ /* ++ * Increment data pointer by two since thats where ++ * the MAC starts ++ */ ++ skb_reserve(skb, 2); ++ skb->protocol = eth_type_trans(skb, netdev); ++ netif_receive_skb(skb); ++ ++ if (titan_ge_eth->rx_threshold > RX_THRESHOLD) { ++ ack = titan_ge_rx_task(netdev, titan_ge_eth); ++ TITAN_GE_WRITE((0x5048 + (port_num << 8)), ack); ++ titan_ge_eth->rx_threshold = 0; ++ } else ++ titan_ge_eth->rx_threshold++; ++ ++ if (titan_ge_eth->tx_threshold > TX_THRESHOLD) { ++ titan_ge_eth->tx_threshold = 0; ++ titan_ge_free_tx_queue(titan_ge_eth); ++ } ++ else ++ titan_ge_eth->tx_threshold++; ++ ++ } ++ return received_packets; ++} ++ ++ ++/* ++ * Enable the Rx side interrupts ++ */ ++static void titan_ge_enable_int(unsigned int port_num, ++ titan_ge_port_info *titan_ge_eth, ++ struct net_device *netdev) ++{ ++ unsigned long reg_data = TITAN_GE_READ(TITAN_GE_INTR_XDMA_IE); ++ ++ if (port_num == 0) ++ reg_data |= 0x3; ++ if (port_num == 1) ++ reg_data |= 0x300; ++ if (port_num == 2) ++ reg_data |= 0x30000; ++ ++ /* Re-enable interrupts */ ++ TITAN_GE_WRITE(TITAN_GE_INTR_XDMA_IE, reg_data); ++} ++ ++/* ++ * Main function to handle the polling for Rx side NAPI. ++ * Receive interrupts have been disabled at this point. ++ * The poll schedules the transmit followed by receive. ++ */ ++static int titan_ge_poll(struct net_device *netdev, int *budget) ++{ ++ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); ++ int port_num = titan_ge_eth->port_num; ++ int work_done = 0; ++ unsigned long flags, status; ++ ++ titan_ge_eth->rx_work_limit = *budget; ++ if (titan_ge_eth->rx_work_limit > netdev->quota) ++ titan_ge_eth->rx_work_limit = netdev->quota; ++ ++ do { ++ /* Do the transmit cleaning work here */ ++ titan_ge_free_tx_queue(titan_ge_eth); ++ ++ /* Ack the Rx interrupts */ ++ if (port_num == 0) ++ TITAN_GE_WRITE(TITAN_GE_INTR_XDMA_CORE_A, 0x3); ++ if (port_num == 1) ++ TITAN_GE_WRITE(TITAN_GE_INTR_XDMA_CORE_A, 0x300); ++ if (port_num == 2) ++ TITAN_GE_WRITE(TITAN_GE_INTR_XDMA_CORE_A, 0x30000); ++ ++ work_done += titan_ge_receive_queue(netdev, 0); ++ ++ /* Out of quota and there is work to be done */ ++ if (titan_ge_eth->rx_work_limit < 0) ++ goto not_done; ++ ++ /* Receive alloc_skb could lead to OOM */ ++ if (oom_flag == 1) { ++ oom_flag = 0; ++ goto oom; ++ } ++ ++ status = TITAN_GE_READ(TITAN_GE_INTR_XDMA_CORE_A); ++ } while (status & 0x30300); ++ ++ /* If we are here, then no more interrupts to process */ ++ goto done; ++ ++not_done: ++ *budget -= work_done; ++ netdev->quota -= work_done; ++ return 1; ++ ++oom: ++ printk(KERN_ERR "OOM \n"); ++ netif_rx_complete(netdev); ++ return 0; ++ ++done: ++ /* ++ * No more packets on the poll list. Turn the interrupts ++ * back on and we should be able to catch the new ++ * packets in the interrupt handler ++ */ ++ if (!work_done) ++ work_done = 1; ++ ++ *budget -= work_done; ++ netdev->quota -= work_done; ++ ++ spin_lock_irqsave(&titan_ge_eth->lock, flags); ++ ++ /* Remove us from the poll list */ ++ netif_rx_complete(netdev); ++ ++ /* Re-enable interrupts */ ++ titan_ge_enable_int(port_num, titan_ge_eth, netdev); ++ ++ spin_unlock_irqrestore(&titan_ge_eth->lock, flags); ++ ++ return 0; ++} ++ ++/* ++ * Close the network device ++ */ ++int titan_ge_stop(struct net_device *netdev) ++{ ++ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); ++ ++ spin_lock_irq(&(titan_ge_eth->lock)); ++ titan_ge_eth_stop(netdev); ++ free_irq(netdev->irq, netdev); ++ spin_unlock_irq(&titan_ge_eth->lock); ++ ++ return TITAN_OK; ++} ++ ++/* ++ * Free the Tx ring ++ */ ++static void titan_ge_free_tx_rings(struct net_device *netdev) ++{ ++ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); ++ unsigned int port_num = titan_ge_eth->port_num; ++ unsigned int curr; ++ unsigned long reg_data; ++ ++ /* Stop the Tx DMA */ ++ reg_data = TITAN_GE_READ(TITAN_GE_CHANNEL0_CONFIG + ++ (port_num << 8)); ++ reg_data |= 0xc0000000; ++ TITAN_GE_WRITE((TITAN_GE_CHANNEL0_CONFIG + ++ (port_num << 8)), reg_data); ++ ++ /* Disable the TMAC */ ++ reg_data = TITAN_GE_READ(TITAN_GE_TMAC_CONFIG_1 + ++ (port_num << 12)); ++ reg_data &= ~(0x00000001); ++ TITAN_GE_WRITE((TITAN_GE_TMAC_CONFIG_1 + ++ (port_num << 12)), reg_data); ++ ++ for (curr = 0; ++ (titan_ge_eth->tx_ring_skbs) && (curr < TITAN_GE_TX_QUEUE); ++ curr++) { ++ if (titan_ge_eth->tx_skb[curr]) { ++ dev_kfree_skb(titan_ge_eth->tx_skb[curr]); ++ titan_ge_eth->tx_ring_skbs--; ++ } ++ } ++ ++ if (titan_ge_eth->tx_ring_skbs != 0) ++ printk ++ ("%s: Error on Tx descriptor free - could not free %d" ++ " descriptors\n", netdev->name, ++ titan_ge_eth->tx_ring_skbs); ++ ++#ifndef TITAN_RX_RING_IN_SRAM ++ dma_free_coherent(&titan_ge_device[port_num]->dev, ++ titan_ge_eth->tx_desc_area_size, ++ (void *) titan_ge_eth->tx_desc_area, ++ titan_ge_eth->tx_dma); ++#endif ++} ++ ++/* ++ * Free the Rx ring ++ */ ++static void titan_ge_free_rx_rings(struct net_device *netdev) ++{ ++ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); ++ unsigned int port_num = titan_ge_eth->port_num; ++ unsigned int curr; ++ unsigned long reg_data; ++ ++ /* Stop the Rx DMA */ ++ reg_data = TITAN_GE_READ(TITAN_GE_CHANNEL0_CONFIG + ++ (port_num << 8)); ++ reg_data |= 0x000c0000; ++ TITAN_GE_WRITE((TITAN_GE_CHANNEL0_CONFIG + ++ (port_num << 8)), reg_data); ++ ++ /* Disable the RMAC */ ++ reg_data = TITAN_GE_READ(TITAN_GE_RMAC_CONFIG_1 + ++ (port_num << 12)); ++ reg_data &= ~(0x00000001); ++ TITAN_GE_WRITE((TITAN_GE_RMAC_CONFIG_1 + ++ (port_num << 12)), reg_data); ++ ++ for (curr = 0; ++ titan_ge_eth->rx_ring_skbs && (curr < TITAN_GE_RX_QUEUE); ++ curr++) { ++ if (titan_ge_eth->rx_skb[curr]) { ++ dev_kfree_skb(titan_ge_eth->rx_skb[curr]); ++ titan_ge_eth->rx_ring_skbs--; ++ } ++ } ++ ++ if (titan_ge_eth->rx_ring_skbs != 0) ++ printk(KERN_ERR ++ "%s: Error in freeing Rx Ring. %d skb's still" ++ " stuck in RX Ring - ignoring them\n", netdev->name, ++ titan_ge_eth->rx_ring_skbs); ++ ++#ifndef TITAN_RX_RING_IN_SRAM ++ dma_free_coherent(&titan_ge_device[port_num]->dev, ++ titan_ge_eth->rx_desc_area_size, ++ (void *) titan_ge_eth->rx_desc_area, ++ titan_ge_eth->rx_dma); ++#endif ++} ++ ++/* ++ * Actually does the stop of the Ethernet device ++ */ ++static void titan_ge_eth_stop(struct net_device *netdev) ++{ ++ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); ++ ++ netif_stop_queue(netdev); ++ ++ titan_ge_port_reset(titan_ge_eth->port_num); ++ ++ titan_ge_free_tx_rings(netdev); ++ titan_ge_free_rx_rings(netdev); ++ ++ /* Disable the Tx and Rx Interrupts for all channels */ ++ TITAN_GE_WRITE(TITAN_GE_INTR_XDMA_IE, 0x0); ++} ++ ++/* ++ * Update the MAC address. Note that we have to write the ++ * address in three station registers, 16 bits each. And this ++ * has to be done for TMAC and RMAC ++ */ ++static void titan_ge_update_mac_address(struct net_device *netdev) ++{ ++ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); ++ unsigned int port_num = titan_ge_eth->port_num; ++ u8 p_addr[6]; ++ ++ memcpy(titan_ge_eth->port_mac_addr, netdev->dev_addr, 6); ++ memcpy(p_addr, netdev->dev_addr, 6); ++ ++ /* Update the Address Filtering Match tables */ ++ titan_ge_update_afx(titan_ge_eth); ++ ++ printk("Station MAC : %d %d %d %d %d %d \n", ++ p_addr[5], p_addr[4], p_addr[3], ++ p_addr[2], p_addr[1], p_addr[0]); ++ ++ /* Set the MAC address here for TMAC and RMAC */ ++ TITAN_GE_WRITE((TITAN_GE_TMAC_STATION_HI + (port_num << 12)), ++ ((p_addr[5] << 8) | p_addr[4])); ++ TITAN_GE_WRITE((TITAN_GE_TMAC_STATION_MID + (port_num << 12)), ++ ((p_addr[3] << 8) | p_addr[2])); ++ TITAN_GE_WRITE((TITAN_GE_TMAC_STATION_LOW + (port_num << 12)), ++ ((p_addr[1] << 8) | p_addr[0])); ++ ++ TITAN_GE_WRITE((TITAN_GE_RMAC_STATION_HI + (port_num << 12)), ++ ((p_addr[5] << 8) | p_addr[4])); ++ TITAN_GE_WRITE((TITAN_GE_RMAC_STATION_MID + (port_num << 12)), ++ ((p_addr[3] << 8) | p_addr[2])); ++ TITAN_GE_WRITE((TITAN_GE_RMAC_STATION_LOW + (port_num << 12)), ++ ((p_addr[1] << 8) | p_addr[0])); ++} ++ ++/* ++ * Set the MAC address of the Ethernet device ++ */ ++static int titan_ge_set_mac_address(struct net_device *dev, void *addr) ++{ ++ titan_ge_port_info *tp = netdev_priv(dev); ++ struct sockaddr *sa = addr; ++ ++ memcpy(dev->dev_addr, sa->sa_data, dev->addr_len); ++ ++ spin_lock_irq(&tp->lock); ++ titan_ge_update_mac_address(dev); ++ spin_unlock_irq(&tp->lock); ++ ++ return 0; ++} ++ ++/* ++ * Get the Ethernet device stats ++ */ ++static struct net_device_stats *titan_ge_get_stats(struct net_device *netdev) ++{ ++ titan_ge_port_info *titan_ge_eth = netdev_priv(netdev); ++ ++ return &titan_ge_eth->stats; ++} ++ ++/* ++ * Initialize the Rx descriptor ring for the Titan Ge ++ */ ++static int titan_ge_init_rx_desc_ring(titan_ge_port_info * titan_eth_port, ++ int rx_desc_num, ++ int rx_buff_size, ++ unsigned long rx_desc_base_addr, ++ unsigned long rx_buff_base_addr, ++ unsigned long rx_dma) ++{ ++ volatile titan_ge_rx_desc *rx_desc; ++ unsigned long buffer_addr; ++ int index; ++ unsigned long titan_ge_rx_desc_bus = rx_dma; ++ ++ buffer_addr = rx_buff_base_addr; ++ rx_desc = (titan_ge_rx_desc *) rx_desc_base_addr; ++ ++ /* Check alignment */ ++ if (rx_buff_base_addr & 0xF) ++ return 0; ++ ++ /* Check Rx buffer size */ ++ if ((rx_buff_size < 8) || (rx_buff_size > TITAN_GE_MAX_RX_BUFFER)) ++ return 0; ++ ++ /* 64-bit alignment ++ if ((rx_buff_base_addr + rx_buff_size) & 0x7) ++ return 0; */ ++ ++ /* Initialize the Rx desc ring */ ++ for (index = 0; index < rx_desc_num; index++) { ++ titan_ge_rx_desc_bus += sizeof(titan_ge_rx_desc); ++ rx_desc[index].cmd_sts = 0; ++ rx_desc[index].buffer_addr = buffer_addr; ++ titan_eth_port->rx_skb[index] = NULL; ++ buffer_addr += rx_buff_size; ++ } ++ ++ titan_eth_port->rx_curr_desc_q = 0; ++ titan_eth_port->rx_used_desc_q = 0; ++ ++ titan_eth_port->rx_desc_area = (titan_ge_rx_desc *) rx_desc_base_addr; ++ titan_eth_port->rx_desc_area_size = ++ rx_desc_num * sizeof(titan_ge_rx_desc); ++ ++ titan_eth_port->rx_dma = rx_dma; ++ ++ return TITAN_OK; ++} ++ ++/* ++ * Initialize the Tx descriptor ring. Descriptors in the SRAM ++ */ ++static int titan_ge_init_tx_desc_ring(titan_ge_port_info * titan_ge_port, ++ int tx_desc_num, ++ unsigned long tx_desc_base_addr, ++ unsigned long tx_dma) ++{ ++ titan_ge_tx_desc *tx_desc; ++ int index; ++ unsigned long titan_ge_tx_desc_bus = tx_dma; ++ ++ if (tx_desc_base_addr & 0xF) ++ return 0; ++ ++ tx_desc = (titan_ge_tx_desc *) tx_desc_base_addr; ++ ++ for (index = 0; index < tx_desc_num; index++) { ++ titan_ge_port->tx_dma_array[index] = ++ (dma_addr_t) titan_ge_tx_desc_bus; ++ titan_ge_tx_desc_bus += sizeof(titan_ge_tx_desc); ++ tx_desc[index].cmd_sts = 0x0000; ++ tx_desc[index].buffer_len = 0; ++ tx_desc[index].buffer_addr = 0x00000000; ++ titan_ge_port->tx_skb[index] = NULL; ++ } ++ ++ titan_ge_port->tx_curr_desc_q = 0; ++ titan_ge_port->tx_used_desc_q = 0; ++ ++ titan_ge_port->tx_desc_area = (titan_ge_tx_desc *) tx_desc_base_addr; ++ titan_ge_port->tx_desc_area_size = ++ tx_desc_num * sizeof(titan_ge_tx_desc); ++ ++ titan_ge_port->tx_dma = tx_dma; ++ return TITAN_OK; ++} ++ ++/* ++ * Initialize the device as an Ethernet device ++ */ ++static int __init titan_ge_probe(struct device *device) ++{ ++ titan_ge_port_info *titan_ge_eth; ++ struct net_device *netdev; ++ int port = to_platform_device(device)->id; ++ int err; ++ ++ netdev = alloc_etherdev(sizeof(titan_ge_port_info)); ++ if (!netdev) { ++ err = -ENODEV; ++ goto out; ++ } ++ ++ netdev->open = titan_ge_open; ++ netdev->stop = titan_ge_stop; ++ netdev->hard_start_xmit = titan_ge_start_xmit; ++ netdev->get_stats = titan_ge_get_stats; ++ netdev->set_multicast_list = titan_ge_set_multi; ++ netdev->set_mac_address = titan_ge_set_mac_address; ++ ++ /* Tx timeout */ ++ netdev->tx_timeout = titan_ge_tx_timeout; ++ netdev->watchdog_timeo = 2 * HZ; ++ ++ /* Set these to very high values */ ++ netdev->poll = titan_ge_poll; ++ netdev->weight = 64; ++ ++ netdev->tx_queue_len = TITAN_GE_TX_QUEUE; ++ netif_carrier_off(netdev); ++ netdev->base_addr = 0; ++ ++ netdev->change_mtu = titan_ge_change_mtu; ++ ++ titan_ge_eth = netdev_priv(netdev); ++ /* Allocation of memory for the driver structures */ ++ ++ titan_ge_eth->port_num = port; ++ ++ /* Configure the Tx timeout handler */ ++ INIT_WORK(&titan_ge_eth->tx_timeout_task, ++ (void (*)(void *)) titan_ge_tx_timeout_task, netdev); ++ ++ spin_lock_init(&titan_ge_eth->lock); ++ ++ /* set MAC addresses */ ++ memcpy(netdev->dev_addr, titan_ge_mac_addr_base, 6); ++ netdev->dev_addr[5] += port; ++ ++ err = register_netdev(netdev); ++ ++ if (err) ++ goto out_free_netdev; ++ ++ printk(KERN_NOTICE ++ "%s: port %d with MAC address %02x:%02x:%02x:%02x:%02x:%02x\n", ++ netdev->name, port, netdev->dev_addr[0], ++ netdev->dev_addr[1], netdev->dev_addr[2], ++ netdev->dev_addr[3], netdev->dev_addr[4], ++ netdev->dev_addr[5]); ++ ++ printk(KERN_NOTICE "Rx NAPI supported, Tx Coalescing ON \n"); ++ ++ return 0; ++ ++out_free_netdev: ++ kfree(netdev); ++ ++out: ++ return err; ++} ++ ++static void __devexit titan_device_remove(struct device *device) ++{ ++} ++ ++/* ++ * Reset the Ethernet port ++ */ ++static void titan_ge_port_reset(unsigned int port_num) ++{ ++ unsigned int reg_data; ++ ++ /* Stop the Tx port activity */ ++ reg_data = TITAN_GE_READ(TITAN_GE_TMAC_CONFIG_1 + ++ (port_num << 12)); ++ reg_data &= ~(0x0001); ++ TITAN_GE_WRITE((TITAN_GE_TMAC_CONFIG_1 + ++ (port_num << 12)), reg_data); ++ ++ /* Stop the Rx port activity */ ++ reg_data = TITAN_GE_READ(TITAN_GE_RMAC_CONFIG_1 + ++ (port_num << 12)); ++ reg_data &= ~(0x0001); ++ TITAN_GE_WRITE((TITAN_GE_RMAC_CONFIG_1 + ++ (port_num << 12)), reg_data); ++ ++ return; ++} ++ ++/* ++ * Return the Tx desc after use by the XDMA ++ */ ++static int titan_ge_return_tx_desc(titan_ge_port_info * titan_ge_eth, int port) ++{ ++ int tx_desc_used; ++ struct sk_buff *skb; ++ ++ tx_desc_used = titan_ge_eth->tx_used_desc_q; ++ ++ /* return right away */ ++ if (tx_desc_used == titan_ge_eth->tx_curr_desc_q) ++ return TITAN_ERROR; ++ ++ /* Now the critical stuff */ ++ skb = titan_ge_eth->tx_skb[tx_desc_used]; ++ ++ dev_kfree_skb_any(skb); ++ ++ titan_ge_eth->tx_skb[tx_desc_used] = NULL; ++ titan_ge_eth->tx_used_desc_q = ++ (tx_desc_used + 1) % TITAN_GE_TX_QUEUE; ++ ++ return 0; ++} ++ ++/* ++ * Coalescing for the Tx path ++ */ ++static unsigned long titan_ge_tx_coal(unsigned long delay, int port) ++{ ++ unsigned long rx_delay; ++ ++ rx_delay = TITAN_GE_READ(TITAN_GE_INT_COALESCING); ++ delay = (delay << 16) | rx_delay; ++ ++ TITAN_GE_WRITE(TITAN_GE_INT_COALESCING, delay); ++ TITAN_GE_WRITE(0x5038, delay); ++ ++ return delay; ++} ++ ++static struct device_driver titan_soc_driver = { ++ .name = titan_string, ++ .bus = &platform_bus_type, ++ .probe = titan_ge_probe, ++ .remove = __devexit_p(titan_device_remove), ++}; ++ ++static void titan_platform_release (struct device *device) ++{ ++ struct platform_device *pldev; ++ ++ /* free device */ ++ pldev = to_platform_device (device); ++ kfree (pldev); ++} ++ ++/* ++ * Register the Titan GE with the kernel ++ */ ++static int __init titan_ge_init_module(void) ++{ ++ struct platform_device *pldev; ++ unsigned int version, device; ++ int i; ++ ++ printk(KERN_NOTICE ++ "PMC-Sierra TITAN 10/100/1000 Ethernet Driver \n"); ++ ++ titan_ge_base = (unsigned long) ioremap(TITAN_GE_BASE, TITAN_GE_SIZE); ++ if (!titan_ge_base) { ++ printk("Mapping Titan GE failed\n"); ++ goto out; ++ } ++ ++ device = TITAN_GE_READ(TITAN_GE_DEVICE_ID); ++ version = (device & 0x000f0000) >> 16; ++ device &= 0x0000ffff; ++ ++ printk(KERN_NOTICE "Device Id : %x, Version : %x \n", device, version); ++ ++#ifdef TITAN_RX_RING_IN_SRAM ++ titan_ge_sram = (unsigned long) ioremap(TITAN_SRAM_BASE, ++ TITAN_SRAM_SIZE); ++ if (!titan_ge_sram) { ++ printk("Mapping Titan SRAM failed\n"); ++ goto out_unmap_ge; ++ } ++#endif ++ ++ if (driver_register(&titan_soc_driver)) { ++ printk(KERN_ERR "Driver registration failed\n"); ++ goto out_unmap_sram; ++ } ++ ++ for (i = 0; i < 3; i++) { ++ titan_ge_device[i] = NULL; ++ ++ if (!(pldev = kmalloc (sizeof (*pldev), GFP_KERNEL))) ++ continue; ++ ++ memset (pldev, 0, sizeof (*pldev)); ++ pldev->name = titan_string; ++ pldev->id = i; ++ pldev->dev.release = titan_platform_release; ++ titan_ge_device[i] = pldev; ++ ++ if (platform_device_register (pldev)) { ++ kfree (pldev); ++ titan_ge_device[i] = NULL; ++ continue; ++ } ++ ++ if (!pldev->dev.driver) { ++ /* ++ * The driver was not bound to this device, there was ++ * no hardware at this address. Unregister it, as the ++ * release fuction will take care of freeing the ++ * allocated structure ++ */ ++ titan_ge_device[i] = NULL; ++ platform_device_unregister (pldev); ++ } ++ } ++ ++ return 0; ++ ++out_unmap_sram: ++ iounmap((void *)titan_ge_sram); ++ ++out_unmap_ge: ++ iounmap((void *)titan_ge_base); ++ ++out: ++ return -ENOMEM; ++} ++ ++/* ++ * Unregister the Titan GE from the kernel ++ */ ++static void __exit titan_ge_cleanup_module(void) ++{ ++ int i; ++ ++ driver_unregister(&titan_soc_driver); ++ ++ for (i = 0; i < 3; i++) { ++ if (titan_ge_device[i]) { ++ platform_device_unregister (titan_ge_device[i]); ++ titan_ge_device[i] = NULL; ++ } ++ } ++ ++ iounmap((void *)titan_ge_sram); ++ iounmap((void *)titan_ge_base); ++} ++ ++MODULE_AUTHOR("Manish Lachwani "); ++MODULE_DESCRIPTION("Titan GE Ethernet driver"); ++MODULE_LICENSE("GPL"); ++ ++module_init(titan_ge_init_module); ++module_exit(titan_ge_cleanup_module); +diff --git a/drivers/net/titan_ge.h b/drivers/net/titan_ge.h +new file mode 100644 +index 0000000..3719f78 +--- /dev/null ++++ b/drivers/net/titan_ge.h +@@ -0,0 +1,415 @@ ++#ifndef _TITAN_GE_H_ ++#define _TITAN_GE_H_ ++ ++#include ++#include ++#include ++#include ++ ++/* ++ * These functions should be later moved to a more generic location since there ++ * will be others accessing it also ++ */ ++ ++/* ++ * This is the way it works: LKB5 Base is at 0x0128. TITAN_BASE is defined in ++ * include/asm/titan_dep.h. TITAN_GE_BASE is the value in the TITAN_GE_LKB5 ++ * register. ++ */ ++ ++#define TITAN_GE_BASE 0xfe000000UL ++#define TITAN_GE_SIZE 0x10000UL ++ ++extern unsigned long titan_ge_base; ++ ++#define TITAN_GE_WRITE(offset, data) \ ++ *(volatile u32 *)(titan_ge_base + (offset)) = (data) ++ ++#define TITAN_GE_READ(offset) *(volatile u32 *)(titan_ge_base + (offset)) ++ ++#ifndef msec_delay ++#define msec_delay(x) do { if(in_interrupt()) { \ ++ /* Don't mdelay in interrupt context! */ \ ++ BUG(); \ ++ } else { \ ++ set_current_state(TASK_UNINTERRUPTIBLE); \ ++ schedule_timeout((x * HZ)/1000); \ ++ } } while(0) ++#endif ++ ++#define TITAN_GE_PORT_0 ++ ++#define TITAN_SRAM_BASE ((OCD_READ(RM9000x2_OCD_LKB13) & ~1) << 4) ++#define TITAN_SRAM_SIZE 0x2000UL ++ ++/* ++ * We may need these constants ++ */ ++#define TITAN_BIT0 0x00000001 ++#define TITAN_BIT1 0x00000002 ++#define TITAN_BIT2 0x00000004 ++#define TITAN_BIT3 0x00000008 ++#define TITAN_BIT4 0x00000010 ++#define TITAN_BIT5 0x00000020 ++#define TITAN_BIT6 0x00000040 ++#define TITAN_BIT7 0x00000080 ++#define TITAN_BIT8 0x00000100 ++#define TITAN_BIT9 0x00000200 ++#define TITAN_BIT10 0x00000400 ++#define TITAN_BIT11 0x00000800 ++#define TITAN_BIT12 0x00001000 ++#define TITAN_BIT13 0x00002000 ++#define TITAN_BIT14 0x00004000 ++#define TITAN_BIT15 0x00008000 ++#define TITAN_BIT16 0x00010000 ++#define TITAN_BIT17 0x00020000 ++#define TITAN_BIT18 0x00040000 ++#define TITAN_BIT19 0x00080000 ++#define TITAN_BIT20 0x00100000 ++#define TITAN_BIT21 0x00200000 ++#define TITAN_BIT22 0x00400000 ++#define TITAN_BIT23 0x00800000 ++#define TITAN_BIT24 0x01000000 ++#define TITAN_BIT25 0x02000000 ++#define TITAN_BIT26 0x04000000 ++#define TITAN_BIT27 0x08000000 ++#define TITAN_BIT28 0x10000000 ++#define TITAN_BIT29 0x20000000 ++#define TITAN_BIT30 0x40000000 ++#define TITAN_BIT31 0x80000000 ++ ++/* Flow Control */ ++#define TITAN_GE_FC_NONE 0x0 ++#define TITAN_GE_FC_FULL 0x1 ++#define TITAN_GE_FC_TX_PAUSE 0x2 ++#define TITAN_GE_FC_RX_PAUSE 0x3 ++ ++/* Duplex Settings */ ++#define TITAN_GE_FULL_DUPLEX 0x1 ++#define TITAN_GE_HALF_DUPLEX 0x2 ++ ++/* Speed settings */ ++#define TITAN_GE_SPEED_1000 0x1 ++#define TITAN_GE_SPEED_100 0x2 ++#define TITAN_GE_SPEED_10 0x3 ++ ++/* Debugging info only */ ++#undef TITAN_DEBUG ++ ++/* Keep the rings in the Titan's SSRAM */ ++#define TITAN_RX_RING_IN_SRAM ++ ++#ifdef CONFIG_64BIT ++#define TITAN_GE_IE_MASK 0xfffffffffb001b64 ++#define TITAN_GE_IE_STATUS 0xfffffffffb001b60 ++#else ++#define TITAN_GE_IE_MASK 0xfb001b64 ++#define TITAN_GE_IE_STATUS 0xfb001b60 ++#endif ++ ++/* Support for Jumbo Frames */ ++#undef TITAN_GE_JUMBO_FRAMES ++ ++/* Rx buffer size */ ++#ifdef TITAN_GE_JUMBO_FRAMES ++#define TITAN_GE_JUMBO_BUFSIZE 9080 ++#else ++#define TITAN_GE_STD_BUFSIZE 1580 ++#endif ++ ++/* ++ * Tx and Rx Interrupt Coalescing parameter. These values are ++ * for 1 Ghz processor. Rx coalescing can be taken care of ++ * by NAPI. NAPI is adaptive and hence useful. Tx coalescing ++ * is not adaptive. Hence, these values need to be adjusted ++ * based on load, CPU speed etc. ++ */ ++#define TITAN_GE_RX_COAL 150 ++#define TITAN_GE_TX_COAL 300 ++ ++#if defined(__BIG_ENDIAN) ++ ++/* Define the Rx descriptor */ ++typedef struct eth_rx_desc { ++ u32 reserved; /* Unused */ ++ u32 buffer_addr; /* CPU buffer address */ ++ u32 cmd_sts; /* Command and Status */ ++ u32 buffer; /* XDMA buffer address */ ++} titan_ge_rx_desc; ++ ++/* Define the Tx descriptor */ ++typedef struct eth_tx_desc { ++ u16 cmd_sts; /* Command, Status and Buffer count */ ++ u16 buffer_len; /* Length of the buffer */ ++ u32 buffer_addr; /* Physical address of the buffer */ ++} titan_ge_tx_desc; ++ ++#elif defined(__LITTLE_ENDIAN) ++ ++/* Define the Rx descriptor */ ++typedef struct eth_rx_desc { ++ u32 buffer_addr; /* CPU buffer address */ ++ u32 reserved; /* Unused */ ++ u32 buffer; /* XDMA buffer address */ ++ u32 cmd_sts; /* Command and Status */ ++} titan_ge_rx_desc; ++ ++/* Define the Tx descriptor */ ++typedef struct eth_tx_desc { ++ u32 buffer_addr; /* Physical address of the buffer */ ++ u16 buffer_len; /* Length of the buffer */ ++ u16 cmd_sts; /* Command, Status and Buffer count */ ++} titan_ge_tx_desc; ++#endif ++ ++/* Default Tx Queue Size */ ++#define TITAN_GE_TX_QUEUE 128 ++#define TITAN_TX_RING_BYTES (TITAN_GE_TX_QUEUE * sizeof(struct eth_tx_desc)) ++ ++/* Default Rx Queue Size */ ++#define TITAN_GE_RX_QUEUE 64 ++#define TITAN_RX_RING_BYTES (TITAN_GE_RX_QUEUE * sizeof(struct eth_rx_desc)) ++ ++/* Packet Structure */ ++typedef struct _pkt_info { ++ unsigned int len; ++ unsigned int cmd_sts; ++ unsigned int buffer; ++ struct sk_buff *skb; ++ unsigned int checksum; ++} titan_ge_packet; ++ ++ ++#define PHYS_CNT 3 ++ ++/* Titan Port specific data structure */ ++typedef struct _eth_port_ctrl { ++ unsigned int port_num; ++ u8 port_mac_addr[6]; ++ ++ /* Rx descriptor pointers */ ++ int rx_curr_desc_q, rx_used_desc_q; ++ ++ /* Tx descriptor pointers */ ++ int tx_curr_desc_q, tx_used_desc_q; ++ ++ /* Rx descriptor area */ ++ volatile titan_ge_rx_desc *rx_desc_area; ++ unsigned int rx_desc_area_size; ++ struct sk_buff* rx_skb[TITAN_GE_RX_QUEUE]; ++ ++ /* Tx Descriptor area */ ++ volatile titan_ge_tx_desc *tx_desc_area; ++ unsigned int tx_desc_area_size; ++ struct sk_buff* tx_skb[TITAN_GE_TX_QUEUE]; ++ ++ /* Timeout task */ ++ struct work_struct tx_timeout_task; ++ ++ /* DMA structures and handles */ ++ dma_addr_t tx_dma; ++ dma_addr_t rx_dma; ++ dma_addr_t tx_dma_array[TITAN_GE_TX_QUEUE]; ++ ++ /* Device lock */ ++ spinlock_t lock; ++ ++ unsigned int tx_ring_skbs; ++ unsigned int rx_ring_size; ++ unsigned int tx_ring_size; ++ unsigned int rx_ring_skbs; ++ ++ struct net_device_stats stats; ++ ++ /* Tx and Rx coalescing */ ++ unsigned long rx_int_coal; ++ unsigned long tx_int_coal; ++ ++ /* Threshold for replenishing the Rx and Tx rings */ ++ unsigned int tx_threshold; ++ unsigned int rx_threshold; ++ ++ /* NAPI work limit */ ++ unsigned int rx_work_limit; ++} titan_ge_port_info; ++ ++/* Titan specific constants */ ++#define TITAN_ETH_PORT_IRQ 3 ++ ++/* Max Rx buffer */ ++#define TITAN_GE_MAX_RX_BUFFER 65536 ++ ++/* Tx and Rx Error */ ++#define TITAN_GE_ERROR ++ ++/* Rx Descriptor Command and Status */ ++ ++#define TITAN_GE_RX_CRC_ERROR TITAN_BIT27 /* crc error */ ++#define TITAN_GE_RX_OVERFLOW_ERROR TITAN_BIT15 /* overflow */ ++#define TITAN_GE_RX_BUFFER_OWNED TITAN_BIT21 /* buffer ownership */ ++#define TITAN_GE_RX_STP TITAN_BIT31 /* start of packet */ ++#define TITAN_GE_RX_BAM TITAN_BIT30 /* broadcast address match */ ++#define TITAN_GE_RX_PAM TITAN_BIT28 /* physical address match */ ++#define TITAN_GE_RX_LAFM TITAN_BIT29 /* logical address filter match */ ++#define TITAN_GE_RX_VLAN TITAN_BIT26 /* virtual lans */ ++#define TITAN_GE_RX_PERR TITAN_BIT19 /* packet error */ ++#define TITAN_GE_RX_TRUNC TITAN_BIT20 /* packet size greater than 32 buffers */ ++ ++/* Tx Descriptor Command */ ++#define TITAN_GE_TX_BUFFER_OWNED TITAN_BIT5 /* buffer ownership */ ++#define TITAN_GE_TX_ENABLE_INTERRUPT TITAN_BIT15 /* Interrupt Enable */ ++ ++/* Return Status */ ++#define TITAN_OK 0x1 /* Good Status */ ++#define TITAN_ERROR 0x2 /* Error Status */ ++ ++/* MIB specific register offset */ ++#define TITAN_GE_MSTATX_STATS_BASE_LOW 0x0800 /* MSTATX COUNTL[15:0] */ ++#define TITAN_GE_MSTATX_STATS_BASE_MID 0x0804 /* MSTATX COUNTM[15:0] */ ++#define TITAN_GE_MSTATX_STATS_BASE_HI 0x0808 /* MSTATX COUNTH[7:0] */ ++#define TITAN_GE_MSTATX_CONTROL 0x0828 /* MSTATX Control */ ++#define TITAN_GE_MSTATX_VARIABLE_SELECT 0x082C /* MSTATX Variable Select */ ++ ++/* MIB counter offsets, add to the TITAN_GE_MSTATX_STATS_BASE_XXX */ ++#define TITAN_GE_MSTATX_RXFRAMESOK 0x0040 ++#define TITAN_GE_MSTATX_RXOCTETSOK 0x0050 ++#define TITAN_GE_MSTATX_RXFRAMES 0x0060 ++#define TITAN_GE_MSTATX_RXOCTETS 0x0070 ++#define TITAN_GE_MSTATX_RXUNICASTFRAMESOK 0x0080 ++#define TITAN_GE_MSTATX_RXBROADCASTFRAMESOK 0x0090 ++#define TITAN_GE_MSTATX_RXMULTICASTFRAMESOK 0x00A0 ++#define TITAN_GE_MSTATX_RXTAGGEDFRAMESOK 0x00B0 ++#define TITAN_GE_MSTATX_RXMACPAUSECONTROLFRAMESOK 0x00C0 ++#define TITAN_GE_MSTATX_RXMACCONTROLFRAMESOK 0x00D0 ++#define TITAN_GE_MSTATX_RXFCSERROR 0x00E0 ++#define TITAN_GE_MSTATX_RXALIGNMENTERROR 0x00F0 ++#define TITAN_GE_MSTATX_RXSYMBOLERROR 0x0100 ++#define TITAN_GE_MSTATX_RXLAYER1ERROR 0x0110 ++#define TITAN_GE_MSTATX_RXINRANGELENGTHERROR 0x0120 ++#define TITAN_GE_MSTATX_RXLONGLENGTHERROR 0x0130 ++#define TITAN_GE_MSTATX_RXLONGLENGTHCRCERROR 0x0140 ++#define TITAN_GE_MSTATX_RXSHORTLENGTHERROR 0x0150 ++#define TITAN_GE_MSTATX_RXSHORTLLENGTHCRCERROR 0x0160 ++#define TITAN_GE_MSTATX_RXFRAMES64OCTETS 0x0170 ++#define TITAN_GE_MSTATX_RXFRAMES65TO127OCTETS 0x0180 ++#define TITAN_GE_MSTATX_RXFRAMES128TO255OCTETS 0x0190 ++#define TITAN_GE_MSTATX_RXFRAMES256TO511OCTETS 0x01A0 ++#define TITAN_GE_MSTATX_RXFRAMES512TO1023OCTETS 0x01B0 ++#define TITAN_GE_MSTATX_RXFRAMES1024TO1518OCTETS 0x01C0 ++#define TITAN_GE_MSTATX_RXFRAMES1519TOMAXSIZE 0x01D0 ++#define TITAN_GE_MSTATX_RXSTATIONADDRESSFILTERED 0x01E0 ++#define TITAN_GE_MSTATX_RXVARIABLE 0x01F0 ++#define TITAN_GE_MSTATX_GENERICADDRESSFILTERED 0x0200 ++#define TITAN_GE_MSTATX_UNICASTFILTERED 0x0210 ++#define TITAN_GE_MSTATX_MULTICASTFILTERED 0x0220 ++#define TITAN_GE_MSTATX_BROADCASTFILTERED 0x0230 ++#define TITAN_GE_MSTATX_HASHFILTERED 0x0240 ++#define TITAN_GE_MSTATX_TXFRAMESOK 0x0250 ++#define TITAN_GE_MSTATX_TXOCTETSOK 0x0260 ++#define TITAN_GE_MSTATX_TXOCTETS 0x0270 ++#define TITAN_GE_MSTATX_TXTAGGEDFRAMESOK 0x0280 ++#define TITAN_GE_MSTATX_TXMACPAUSECONTROLFRAMESOK 0x0290 ++#define TITAN_GE_MSTATX_TXFCSERROR 0x02A0 ++#define TITAN_GE_MSTATX_TXSHORTLENGTHERROR 0x02B0 ++#define TITAN_GE_MSTATX_TXLONGLENGTHERROR 0x02C0 ++#define TITAN_GE_MSTATX_TXSYSTEMERROR 0x02D0 ++#define TITAN_GE_MSTATX_TXMACERROR 0x02E0 ++#define TITAN_GE_MSTATX_TXCARRIERSENSEERROR 0x02F0 ++#define TITAN_GE_MSTATX_TXSQETESTERROR 0x0300 ++#define TITAN_GE_MSTATX_TXUNICASTFRAMESOK 0x0310 ++#define TITAN_GE_MSTATX_TXBROADCASTFRAMESOK 0x0320 ++#define TITAN_GE_MSTATX_TXMULTICASTFRAMESOK 0x0330 ++#define TITAN_GE_MSTATX_TXUNICASTFRAMESATTEMPTED 0x0340 ++#define TITAN_GE_MSTATX_TXBROADCASTFRAMESATTEMPTED 0x0350 ++#define TITAN_GE_MSTATX_TXMULTICASTFRAMESATTEMPTED 0x0360 ++#define TITAN_GE_MSTATX_TXFRAMES64OCTETS 0x0370 ++#define TITAN_GE_MSTATX_TXFRAMES65TO127OCTETS 0x0380 ++#define TITAN_GE_MSTATX_TXFRAMES128TO255OCTETS 0x0390 ++#define TITAN_GE_MSTATX_TXFRAMES256TO511OCTETS 0x03A0 ++#define TITAN_GE_MSTATX_TXFRAMES512TO1023OCTETS 0x03B0 ++#define TITAN_GE_MSTATX_TXFRAMES1024TO1518OCTETS 0x03C0 ++#define TITAN_GE_MSTATX_TXFRAMES1519TOMAXSIZE 0x03D0 ++#define TITAN_GE_MSTATX_TXVARIABLE 0x03E0 ++#define TITAN_GE_MSTATX_RXSYSTEMERROR 0x03F0 ++#define TITAN_GE_MSTATX_SINGLECOLLISION 0x0400 ++#define TITAN_GE_MSTATX_MULTIPLECOLLISION 0x0410 ++#define TITAN_GE_MSTATX_DEFERREDXMISSIONS 0x0420 ++#define TITAN_GE_MSTATX_LATECOLLISIONS 0x0430 ++#define TITAN_GE_MSTATX_ABORTEDDUETOXSCOLLS 0x0440 ++ ++/* Interrupt specific defines */ ++#define TITAN_GE_DEVICE_ID 0x0000 /* Device ID */ ++#define TITAN_GE_RESET 0x0004 /* Reset reg */ ++#define TITAN_GE_TSB_CTRL_0 0x000C /* TSB Control reg 0 */ ++#define TITAN_GE_TSB_CTRL_1 0x0010 /* TSB Control reg 1 */ ++#define TITAN_GE_INTR_GRP0_STATUS 0x0040 /* General Interrupt Group 0 Status */ ++#define TITAN_GE_INTR_XDMA_CORE_A 0x0048 /* XDMA Channel Interrupt Status, Core A*/ ++#define TITAN_GE_INTR_XDMA_CORE_B 0x004C /* XDMA Channel Interrupt Status, Core B*/ ++#define TITAN_GE_INTR_XDMA_IE 0x0058 /* XDMA Channel Interrupt Enable */ ++#define TITAN_GE_SDQPF_ECC_INTR 0x480C /* SDQPF ECC Interrupt Status */ ++#define TITAN_GE_SDQPF_RXFIFO_CTL 0x4828 /* SDQPF RxFifo Control and Interrupt Enb*/ ++#define TITAN_GE_SDQPF_RXFIFO_INTR 0x482C /* SDQPF RxFifo Interrupt Status */ ++#define TITAN_GE_SDQPF_TXFIFO_CTL 0x4928 /* SDQPF TxFifo Control and Interrupt Enb*/ ++#define TITAN_GE_SDQPF_TXFIFO_INTR 0x492C /* SDQPF TxFifo Interrupt Status */ ++#define TITAN_GE_SDQPF_RXFIFO_0 0x4840 /* SDQPF RxFIFO Enable */ ++#define TITAN_GE_SDQPF_TXFIFO_0 0x4940 /* SDQPF TxFIFO Enable */ ++#define TITAN_GE_XDMA_CONFIG 0x5000 /* XDMA Global Configuration */ ++#define TITAN_GE_XDMA_INTR_SUMMARY 0x5010 /* XDMA Interrupt Summary */ ++#define TITAN_GE_XDMA_BUFADDRPRE 0x5018 /* XDMA Buffer Address Prefix */ ++#define TITAN_GE_XDMA_DESCADDRPRE 0x501C /* XDMA Descriptor Address Prefix */ ++#define TITAN_GE_XDMA_PORTWEIGHT 0x502C /* XDMA Port Weight Configuration */ ++ ++/* Rx MAC defines */ ++#define TITAN_GE_RMAC_CONFIG_1 0x1200 /* RMAC Configuration 1 */ ++#define TITAN_GE_RMAC_CONFIG_2 0x1204 /* RMAC Configuration 2 */ ++#define TITAN_GE_RMAC_MAX_FRAME_LEN 0x1208 /* RMAC Max Frame Length */ ++#define TITAN_GE_RMAC_STATION_HI 0x120C /* Rx Station Address High */ ++#define TITAN_GE_RMAC_STATION_MID 0x1210 /* Rx Station Address Middle */ ++#define TITAN_GE_RMAC_STATION_LOW 0x1214 /* Rx Station Address Low */ ++#define TITAN_GE_RMAC_LINK_CONFIG 0x1218 /* RMAC Link Configuration */ ++ ++/* Tx MAC defines */ ++#define TITAN_GE_TMAC_CONFIG_1 0x1240 /* TMAC Configuration 1 */ ++#define TITAN_GE_TMAC_CONFIG_2 0x1244 /* TMAC Configuration 2 */ ++#define TITAN_GE_TMAC_IPG 0x1248 /* TMAC Inter-Packet Gap */ ++#define TITAN_GE_TMAC_STATION_HI 0x124C /* Tx Station Address High */ ++#define TITAN_GE_TMAC_STATION_MID 0x1250 /* Tx Station Address Middle */ ++#define TITAN_GE_TMAC_STATION_LOW 0x1254 /* Tx Station Address Low */ ++#define TITAN_GE_TMAC_MAX_FRAME_LEN 0x1258 /* TMAC Max Frame Length */ ++#define TITAN_GE_TMAC_MIN_FRAME_LEN 0x125C /* TMAC Min Frame Length */ ++#define TITAN_GE_TMAC_PAUSE_FRAME_TIME 0x1260 /* TMAC Pause Frame Time */ ++#define TITAN_GE_TMAC_PAUSE_FRAME_INTERVAL 0x1264 /* TMAC Pause Frame Interval */ ++ ++/* GMII register */ ++#define TITAN_GE_GMII_INTERRUPT_STATUS 0x1348 /* GMII Interrupt Status */ ++#define TITAN_GE_GMII_CONFIG_GENERAL 0x134C /* GMII Configuration General */ ++#define TITAN_GE_GMII_CONFIG_MODE 0x1350 /* GMII Configuration Mode */ ++ ++/* Tx and Rx XDMA defines */ ++#define TITAN_GE_INT_COALESCING 0x5030 /* Interrupt Coalescing */ ++#define TITAN_GE_CHANNEL0_CONFIG 0x5040 /* Channel 0 XDMA config */ ++#define TITAN_GE_CHANNEL0_INTERRUPT 0x504c /* Channel 0 Interrupt Status */ ++#define TITAN_GE_GDI_INTERRUPT_ENABLE 0x5050 /* IE for the GDI Errors */ ++#define TITAN_GE_CHANNEL0_PACKET 0x5060 /* Channel 0 Packet count */ ++#define TITAN_GE_CHANNEL0_BYTE 0x5064 /* Channel 0 Byte count */ ++#define TITAN_GE_CHANNEL0_TX_DESC 0x5054 /* Channel 0 Tx first desc */ ++#define TITAN_GE_CHANNEL0_RX_DESC 0x5058 /* Channel 0 Rx first desc */ ++ ++/* AFX (Address Filter Exact) register offsets for Slice 0 */ ++#define TITAN_GE_AFX_EXACT_MATCH_LOW 0x1100 /* AFX Exact Match Address Low*/ ++#define TITAN_GE_AFX_EXACT_MATCH_MID 0x1104 /* AFX Exact Match Address Mid*/ ++#define TITAN_GE_AFX_EXACT_MATCH_HIGH 0x1108 /* AFX Exact Match Address Hi */ ++#define TITAN_GE_AFX_EXACT_MATCH_VID 0x110C /* AFX Exact Match VID */ ++#define TITAN_GE_AFX_MULTICAST_HASH_LOW 0x1110 /* AFX Multicast HASH Low */ ++#define TITAN_GE_AFX_MULTICAST_HASH_MIDLOW 0x1114 /* AFX Multicast HASH MidLow */ ++#define TITAN_GE_AFX_MULTICAST_HASH_MIDHI 0x1118 /* AFX Multicast HASH MidHi */ ++#define TITAN_GE_AFX_MULTICAST_HASH_HI 0x111C /* AFX Multicast HASH Hi */ ++#define TITAN_GE_AFX_ADDRS_FILTER_CTRL_0 0x1120 /* AFX Address Filter Ctrl 0 */ ++#define TITAN_GE_AFX_ADDRS_FILTER_CTRL_1 0x1124 /* AFX Address Filter Ctrl 1 */ ++#define TITAN_GE_AFX_ADDRS_FILTER_CTRL_2 0x1128 /* AFX Address Filter Ctrl 2 */ ++ ++/* Traffic Groomer block */ ++#define TITAN_GE_TRTG_CONFIG 0x1000 /* TRTG Config */ ++ ++#endif /* _TITAN_GE_H_ */ ++ +diff --git a/drivers/net/titan_mdio.c b/drivers/net/titan_mdio.c +new file mode 100644 +index 0000000..8a8785b +--- /dev/null ++++ b/drivers/net/titan_mdio.c +@@ -0,0 +1,217 @@ ++/* ++ * drivers/net/titan_mdio.c - Driver for Titan ethernet ports ++ * ++ * Copyright (C) 2003 PMC-Sierra Inc. ++ * Author : Manish Lachwani (lachwani@pmc-sierra.com) ++ * ++ * This program is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU General Public License ++ * as published by the Free Software Foundation; either version 2 ++ * of the License, or (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ++ * ++ * Management Data IO (MDIO) driver for the Titan GMII. Interacts with the Marvel PHY ++ * on the Titan. No support for the TBI as yet. ++ * ++ */ ++ ++#include "titan_mdio.h" ++ ++#define MDIO_DEBUG ++ ++/* ++ * Local constants ++ */ ++#define MAX_CLKA 1023 ++#define MAX_PHY_DEV 31 ++#define MAX_PHY_REG 31 ++#define WRITEADDRS_OPCODE 0x0 ++#define READ_OPCODE 0x2 ++#define WRITE_OPCODE 0x1 ++#define MAX_MDIO_POLL 100 ++ ++/* ++ * Titan MDIO and SCMB registers ++ */ ++#define TITAN_GE_SCMB_CONTROL 0x01c0 /* SCMB Control */ ++#define TITAN_GE_SCMB_CLKA 0x01c4 /* SCMB Clock A */ ++#define TITAN_GE_MDIO_COMMAND 0x01d0 /* MDIO Command */ ++#define TITAN_GE_MDIO_DEVICE_PORT_ADDRESS 0x01d4 /* MDIO Device and Port addrs */ ++#define TITAN_GE_MDIO_DATA 0x01d8 /* MDIO Data */ ++#define TITAN_GE_MDIO_INTERRUPTS 0x01dC /* MDIO Interrupts */ ++ ++/* ++ * Function to poll the MDIO ++ */ ++static int titan_ge_mdio_poll(void) ++{ ++ int i, val; ++ ++ for (i = 0; i < MAX_MDIO_POLL; i++) { ++ val = TITAN_GE_MDIO_READ(TITAN_GE_MDIO_COMMAND); ++ ++ if (!(val & 0x8000)) ++ return TITAN_GE_MDIO_GOOD; ++ } ++ ++ return TITAN_GE_MDIO_ERROR; ++} ++ ++ ++/* ++ * Initialize and configure the MDIO ++ */ ++int titan_ge_mdio_setup(titan_ge_mdio_config *titan_mdio) ++{ ++ unsigned long val; ++ ++ /* Reset the SCMB and program into MDIO mode*/ ++ TITAN_GE_MDIO_WRITE(TITAN_GE_SCMB_CONTROL, 0x9000); ++ TITAN_GE_MDIO_WRITE(TITAN_GE_SCMB_CONTROL, 0x1000); ++ ++ /* CLK A */ ++ val = TITAN_GE_MDIO_READ(TITAN_GE_SCMB_CLKA); ++ val = ( (val & ~(0x03ff)) | (titan_mdio->clka & 0x03ff)); ++ TITAN_GE_MDIO_WRITE(TITAN_GE_SCMB_CLKA, val); ++ ++ /* Preamble Suppresion */ ++ val = TITAN_GE_MDIO_READ(TITAN_GE_MDIO_COMMAND); ++ val = ( (val & ~(0x0001)) | (titan_mdio->mdio_spre & 0x0001)); ++ TITAN_GE_MDIO_WRITE(TITAN_GE_MDIO_COMMAND, val); ++ ++ /* MDIO mode */ ++ val = TITAN_GE_MDIO_READ(TITAN_GE_MDIO_DEVICE_PORT_ADDRESS); ++ val = ( (val & ~(0x4000)) | (titan_mdio->mdio_mode & 0x4000)); ++ TITAN_GE_MDIO_WRITE(TITAN_GE_MDIO_DEVICE_PORT_ADDRESS, val); ++ ++ return TITAN_GE_MDIO_GOOD; ++} ++ ++/* ++ * Set the PHY address in indirect mode ++ */ ++int titan_ge_mdio_inaddrs(int dev_addr, int reg_addr) ++{ ++ volatile unsigned long val; ++ ++ /* Setup the PHY device */ ++ val = TITAN_GE_MDIO_READ(TITAN_GE_MDIO_DEVICE_PORT_ADDRESS); ++ val = ( (val & ~(0x1f00)) | ( (dev_addr << 8) & 0x1f00)); ++ val = ( (val & ~(0x001f)) | ( reg_addr & 0x001f)); ++ TITAN_GE_MDIO_WRITE(TITAN_GE_MDIO_DEVICE_PORT_ADDRESS, val); ++ ++ /* Write the new address */ ++ val = TITAN_GE_MDIO_READ(TITAN_GE_MDIO_COMMAND); ++ val = ( (val & ~(0x0300)) | ( (WRITEADDRS_OPCODE << 8) & 0x0300)); ++ TITAN_GE_MDIO_WRITE(TITAN_GE_MDIO_COMMAND, val); ++ ++ return TITAN_GE_MDIO_GOOD; ++} ++ ++/* ++ * Read the MDIO register. This is what the individual parametes mean: ++ * ++ * dev_addr : PHY ID ++ * reg_addr : register offset ++ * ++ * See the spec for the Titan MAC. We operate in the Direct Mode. ++ */ ++ ++#define MAX_RETRIES 2 ++ ++int titan_ge_mdio_read(int dev_addr, int reg_addr, unsigned int *pdata) ++{ ++ volatile unsigned long val; ++ int retries = 0; ++ ++ /* Setup the PHY device */ ++ ++again: ++ val = TITAN_GE_MDIO_READ(TITAN_GE_MDIO_DEVICE_PORT_ADDRESS); ++ val = ( (val & ~(0x1f00)) | ( (dev_addr << 8) & 0x1f00)); ++ val = ( (val & ~(0x001f)) | ( reg_addr & 0x001f)); ++ val |= 0x4000; ++ TITAN_GE_MDIO_WRITE(TITAN_GE_MDIO_DEVICE_PORT_ADDRESS, val); ++ ++ udelay(30); ++ ++ /* Issue the read command */ ++ val = TITAN_GE_MDIO_READ(TITAN_GE_MDIO_COMMAND); ++ val = ( (val & ~(0x0300)) | ( (READ_OPCODE << 8) & 0x0300)); ++ TITAN_GE_MDIO_WRITE(TITAN_GE_MDIO_COMMAND, val); ++ ++ udelay(30); ++ ++ if (titan_ge_mdio_poll() != TITAN_GE_MDIO_GOOD) ++ return TITAN_GE_MDIO_ERROR; ++ ++ *pdata = (unsigned int)TITAN_GE_MDIO_READ(TITAN_GE_MDIO_DATA); ++ val = TITAN_GE_MDIO_READ(TITAN_GE_MDIO_INTERRUPTS); ++ ++ udelay(30); ++ ++ if (val & 0x2) { ++ if (retries == MAX_RETRIES) ++ return TITAN_GE_MDIO_ERROR; ++ else { ++ retries++; ++ goto again; ++ } ++ } ++ ++ return TITAN_GE_MDIO_GOOD; ++} ++ ++/* ++ * Write to the MDIO register ++ * ++ * dev_addr : PHY ID ++ * reg_addr : register that needs to be written to ++ * ++ */ ++int titan_ge_mdio_write(int dev_addr, int reg_addr, unsigned int data) ++{ ++ volatile unsigned long val; ++ ++ if (titan_ge_mdio_poll() != TITAN_GE_MDIO_GOOD) ++ return TITAN_GE_MDIO_ERROR; ++ ++ /* Setup the PHY device */ ++ val = TITAN_GE_MDIO_READ(TITAN_GE_MDIO_DEVICE_PORT_ADDRESS); ++ val = ( (val & ~(0x1f00)) | ( (dev_addr << 8) & 0x1f00)); ++ val = ( (val & ~(0x001f)) | ( reg_addr & 0x001f)); ++ val |= 0x4000; ++ TITAN_GE_MDIO_WRITE(TITAN_GE_MDIO_DEVICE_PORT_ADDRESS, val); ++ ++ udelay(30); ++ ++ /* Setup the data to write */ ++ TITAN_GE_MDIO_WRITE(TITAN_GE_MDIO_DATA, data); ++ ++ udelay(30); ++ ++ /* Issue the write command */ ++ val = TITAN_GE_MDIO_READ(TITAN_GE_MDIO_COMMAND); ++ val = ( (val & ~(0x0300)) | ( (WRITE_OPCODE << 8) & 0x0300)); ++ TITAN_GE_MDIO_WRITE(TITAN_GE_MDIO_COMMAND, val); ++ ++ udelay(30); ++ ++ if (titan_ge_mdio_poll() != TITAN_GE_MDIO_GOOD) ++ return TITAN_GE_MDIO_ERROR; ++ ++ val = TITAN_GE_MDIO_READ(TITAN_GE_MDIO_INTERRUPTS); ++ if (val & 0x2) ++ return TITAN_GE_MDIO_ERROR; ++ ++ return TITAN_GE_MDIO_GOOD; ++} ++ +diff --git a/drivers/net/titan_mdio.h b/drivers/net/titan_mdio.h +new file mode 100644 +index 0000000..5d23344 +--- /dev/null ++++ b/drivers/net/titan_mdio.h +@@ -0,0 +1,56 @@ ++/* ++ * MDIO used to interact with the PHY when using GMII/MII ++ */ ++#ifndef _TITAN_MDIO_H ++#define _TITAN_MDIO_H ++ ++#include ++#include ++#include ++#include "titan_ge.h" ++ ++ ++#define TITAN_GE_MDIO_ERROR (-9000) ++#define TITAN_GE_MDIO_GOOD 0 ++ ++#define TITAN_GE_MDIO_BASE titan_ge_base ++ ++#define TITAN_GE_MDIO_READ(offset) \ ++ *(volatile u32 *)(titan_ge_base + (offset)) ++ ++#define TITAN_GE_MDIO_WRITE(offset, data) \ ++ *(volatile u32 *)(titan_ge_base + (offset)) = (data) ++ ++ ++/* GMII specific registers */ ++#define TITAN_GE_MARVEL_PHY_ID 0x00 ++#define TITAN_PHY_AUTONEG_ADV 0x04 ++#define TITAN_PHY_LP_ABILITY 0x05 ++#define TITAN_GE_MDIO_MII_CTRL 0x09 ++#define TITAN_GE_MDIO_MII_EXTENDED 0x0f ++#define TITAN_GE_MDIO_PHY_CTRL 0x10 ++#define TITAN_GE_MDIO_PHY_STATUS 0x11 ++#define TITAN_GE_MDIO_PHY_IE 0x12 ++#define TITAN_GE_MDIO_PHY_IS 0x13 ++#define TITAN_GE_MDIO_PHY_LED 0x18 ++#define TITAN_GE_MDIO_PHY_LED_OVER 0x19 ++#define PHY_ANEG_TIME_WAIT 45 /* 45 seconds wait time */ ++ ++/* ++ * MDIO Config Structure ++ */ ++typedef struct { ++ unsigned int clka; ++ int mdio_spre; ++ int mdio_mode; ++} titan_ge_mdio_config; ++ ++/* ++ * Function Prototypes ++ */ ++int titan_ge_mdio_setup(titan_ge_mdio_config *); ++int titan_ge_mdio_inaddrs(int, int); ++int titan_ge_mdio_read(int, int, unsigned int *); ++int titan_ge_mdio_write(int, int, unsigned int); ++ ++#endif /* _TITAN_MDIO_H */ +diff --git a/drivers/net/wireless/rtl818x/rtl8187/rfkill.c b/drivers/net/wireless/rtl818x/rtl8187/rfkill.c +index 3411671..4d252c1 100644 +--- a/drivers/net/wireless/rtl818x/rtl8187/rfkill.c ++++ b/drivers/net/wireless/rtl818x/rtl8187/rfkill.c +@@ -22,6 +22,10 @@ + + static bool rtl8187_is_radio_enabled(struct rtl8187_priv *priv) + { ++#ifdef CONFIG_LEMOTE_MACH2F ++ /* Allow users to activate rfkill through only the /sys interface */ ++ return 1; ++#else + u8 gpio; + + gpio = rtl818x_ioread8(priv, &priv->map->GPIO0); +@@ -29,6 +33,7 @@ static bool rtl8187_is_radio_enabled(struct rtl8187_priv *priv) + gpio = rtl818x_ioread8(priv, &priv->map->GPIO1); + + return gpio & priv->rfkill_mask; ++#endif + } + + void rtl8187_rfkill_init(struct ieee80211_hw *hw) +diff --git a/drivers/platform/Kconfig b/drivers/platform/Kconfig +index 09fde58..eacabd1 100644 +--- a/drivers/platform/Kconfig ++++ b/drivers/platform/Kconfig +@@ -4,5 +4,8 @@ endif + if GOLDFISH + source "drivers/platform/goldfish/Kconfig" + endif ++if MIPS ++source "drivers/platform/mips/Kconfig" ++endif + + source "drivers/platform/chrome/Kconfig" +diff --git a/drivers/platform/Makefile b/drivers/platform/Makefile +index 3656b7b..ca26925 100644 +--- a/drivers/platform/Makefile ++++ b/drivers/platform/Makefile +@@ -3,6 +3,7 @@ + # + + obj-$(CONFIG_X86) += x86/ ++obj-$(CONFIG_MIPS) += mips/ + obj-$(CONFIG_OLPC) += olpc/ + obj-$(CONFIG_GOLDFISH) += goldfish/ + obj-$(CONFIG_CHROME_PLATFORMS) += chrome/ +diff --git a/drivers/platform/mips/Kconfig b/drivers/platform/mips/Kconfig +new file mode 100644 +index 0000000..722d690 +--- /dev/null ++++ b/drivers/platform/mips/Kconfig +@@ -0,0 +1,60 @@ ++# ++# MIPS Platform Specific Drivers ++# ++ ++menuconfig MIPS_PLATFORM_DEVICES ++ bool "MIPS Platform Specific Device Drivers" ++ default y ++ help ++ Say Y here to get to see options for device drivers of various ++ MIPS platforms, including vendor-specific netbook/laptop/pc extension ++ drivers. This option alone does not add any kernel code. ++ ++ If you say N, all options in this submenu will be skipped and disabled. ++ ++if MIPS_PLATFORM_DEVICES ++ ++config LEMOTE_YEELOONG2F ++ tristate "Lemote YeeLoong Laptop" ++ depends on LEMOTE_MACH2F ++ select BACKLIGHT_LCD_SUPPORT ++ select LCD_CLASS_DEVICE ++ select BACKLIGHT_CLASS_DEVICE ++ select POWER_SUPPLY ++ select HWMON ++ select VIDEO_OUTPUT_CONTROL ++ select INPUT_SPARSEKMAP ++ select INPUT_EVDEV ++ depends on INPUT ++ default m ++ help ++ YeeLoong netbook is a mini laptop made by Lemote, which is basically ++ compatible to FuLoong2F mini PC, but it has an extra Embedded ++ Controller(kb3310b) for battery, hotkey, backlight, temperature and ++ fan management. ++ ++config LEMOTE_LYNLOONG2F ++ tristate "Lemote LynLoong PC" ++ depends on LEMOTE_MACH2F ++ select BACKLIGHT_LCD_SUPPORT ++ select BACKLIGHT_CLASS_DEVICE ++ select VIDEO_OUTPUT_CONTROL ++ default m ++ help ++ LynLoong PC is an AllINONE machine made by Lemote, which is basically ++ compatible to FuLoong2F Mini PC, the only difference is that it has a ++ size-fixed screen: 1360x768 with sisfb video driver. and also, it has ++ its own specific suspend support. ++ ++config GDIUM_LAPTOP ++ tristate "GDIUM laptop extras" ++ depends on DEXXON_GDIUM ++ select POWER_SUPPLY ++ select I2C ++ select INPUT_POLLDEV ++ default m ++ help ++ This mini-driver drives the ST7 chipset present in the Gdium laptops. ++ This gives battery support, wlan rfkill. ++ ++endif # MIPS_PLATFORM_DEVICES +diff --git a/drivers/platform/mips/Makefile b/drivers/platform/mips/Makefile +new file mode 100644 +index 0000000..f013e78 +--- /dev/null ++++ b/drivers/platform/mips/Makefile +@@ -0,0 +1,9 @@ ++# ++# Makefile for MIPS Platform-Specific Drivers ++# ++ ++obj-$(CONFIG_LEMOTE_YEELOONG2F) += yeeloong_laptop.o # yeeloong_ecrom.o ++CFLAGS_yeeloong_laptop.o = -I$(srctree)/arch/mips/loongson/lemote-2f ++ ++obj-$(CONFIG_LEMOTE_LYNLOONG2F) += lynloong_pc.o ++obj-$(CONFIG_GDIUM_LAPTOP) += gdium_laptop.o +diff --git a/drivers/platform/mips/gdium_laptop.c b/drivers/platform/mips/gdium_laptop.c +new file mode 100644 +index 0000000..41a65ad +--- /dev/null ++++ b/drivers/platform/mips/gdium_laptop.c +@@ -0,0 +1,927 @@ ++/* ++ * gdium_laptop -- Gdium laptop extras ++ * ++ * Arnaud Patard ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ * ++ */ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++/* For input device */ ++#define SCAN_INTERVAL 150 ++ ++/* For battery status */ ++#define BAT_SCAN_INTERVAL 500 ++ ++#define EC_FIRM_VERSION 0 ++ ++#if CONFIG_GDIUM_VERSION > 2 ++#define EC_REG_BASE 1 ++#else ++#define EC_REG_BASE 0 ++#endif ++ ++#define EC_STATUS (EC_REG_BASE+0) ++#define EC_STATUS_LID (1<<0) ++#define EC_STATUS_PWRBUT (1<<1) ++#define EC_STATUS_BATID (1<<2) /* this bit has no real meaning on v2. */ ++ /* Same as EC_STATUS_ADAPT */ ++ /* but on v3 it's BATID which mean bat present */ ++#define EC_STATUS_SYS_POWER (1<<3) ++#define EC_STATUS_WLAN (1<<4) ++#define EC_STATUS_ADAPT (1<<5) ++ ++#define EC_CTRL (EC_REG_BASE+1) ++#define EC_CTRL_DDR_CLK (1<<0) ++#define EC_CTRL_CHARGE_LED (1<<1) ++#define EC_CTRL_BEEP (1<<2) ++#define EC_CTRL_SUSB (1<<3) /* memory power */ ++#define EC_CTRL_TRICKLE (1<<4) ++#define EC_CTRL_WLAN_EN (1<<5) ++#define EC_CTRL_SUSC (1<<6) /* main power */ ++#define EC_CTRL_CHARGE_EN (1<<7) ++ ++#define EC_BAT_LOW (EC_REG_BASE+2) ++#define EC_BAT_HIGH (EC_REG_BASE+3) ++ ++#define EC_SIGN (EC_REG_BASE+4) ++#define EC_SIGN_OS 0xAE /* write 0xae to control pm stuff */ ++#define EC_SIGN_EC 0x00 /* write 0x00 to let the st7 manage pm stuff */ ++ ++#if 0 ++#define EC_TEST (EC_REG_BASE+5) /* Depending on firmware version this register */ ++ /* may be the programmation register so don't play */ ++ /* with it */ ++#endif ++ ++#define BAT_VOLT_PRESENT 500000 /* Min voltage to consider battery present uV */ ++#define BAT_MIN 7000000 /* Min battery voltage in uV */ ++#define BAT_MIN_MV 7000 /* Min battery voltage in mV */ ++#define BAT_TRICKLE_EN 8000000 /* Charging at 1.4A before 8.0V and then charging at 0.25A */ ++#define BAT_MAX 7950000 /* Max battery voltage ~8V in V */ ++#define BAT_MAX_MV 7950 /* Max battery voltage ~8V in V */ ++#define BAT_READ_ERROR 300000 /* battery read error of 0.3V */ ++#define BAT_READ_ERROR_MV 300 /* battery read error of 0.3V */ ++ ++#define SM502_WLAN_ON (224+16)/* SM502 GPIO16 may be used on gdium v2 (v3?) as wlan_on */ ++ /* when R422 is connected */ ++ ++static unsigned char verbose; ++static unsigned char gpio16; ++static unsigned char ec; ++module_param(verbose, byte, S_IRUGO | S_IWUSR); ++MODULE_PARM_DESC(verbose, "Add some debugging messages"); ++module_param(gpio16, byte, S_IRUGO); ++MODULE_PARM_DESC(gpio16, "Enable wlan_on signal on SM502"); ++module_param(ec, byte, S_IRUGO); ++MODULE_PARM_DESC(ec, "Let the ST7 handle the battery (default OS)"); ++ ++struct gdium_laptop_data { ++ struct i2c_client *client; ++ struct input_polled_dev *input_polldev; ++ struct dentry *debugfs; ++ struct mutex mutex; ++ struct platform_device *bat_pdev; ++ struct power_supply gdium_ac; ++ struct power_supply gdium_battery; ++ struct workqueue_struct *workqueue; ++ struct delayed_work work; ++ char charge_cmd; ++ /* important registers value */ ++ char status; ++ char ctrl; ++ /* mV */ ++ int battery_level; ++ char version; ++}; ++ ++/**********************************************************************/ ++/* Low level I2C functions */ ++/* All are supposed to be called with mutex held */ ++/**********************************************************************/ ++/* ++ * Return battery voltage in mV ++ * >= 0 battery voltage ++ * < 0 error ++ */ ++static s32 ec_read_battery(struct i2c_client *client) ++{ ++ unsigned char bat_low, bat_high; ++ s32 data; ++ unsigned int ret; ++ ++ /* ++ * a = battery high ++ * b = battery low ++ * bat = a << 2 | b & 0x03; ++ * battery voltage = (bat / 1024) * 5 * 2 ++ */ ++ data = i2c_smbus_read_byte_data(client, EC_BAT_LOW); ++ if (data < 0) { ++ dev_err(&client->dev, "ec_read_bat: read bat_low failed\n"); ++ return data; ++ } ++ bat_low = data & 0xff; ++ if (verbose) ++ dev_info(&client->dev, "bat_low %x\n", bat_low); ++ ++ data = i2c_smbus_read_byte_data(client, EC_BAT_HIGH); ++ if (data < 0) { ++ dev_err(&client->dev, "ec_read_bat: read bat_high failed\n"); ++ return data; ++ } ++ bat_high = data & 0xff; ++ if (verbose) ++ dev_info(&client->dev, "bat_high %x\n", bat_high); ++ ++ ret = (bat_high << 2) | (bat_low & 3); ++ /* ++ * mV ++ */ ++ ret = (ret * 5 * 2) * 1000 / 1024; ++ ++ return ret; ++} ++ ++static s32 ec_read_version(struct i2c_client *client) ++{ ++#if CONFIG_GDIUM_VERSION > 2 ++ return i2c_smbus_read_byte_data(client, EC_FIRM_VERSION); ++#else ++ return 0; ++#endif ++} ++ ++static s32 ec_read_status(struct i2c_client *client) ++{ ++ return i2c_smbus_read_byte_data(client, EC_STATUS); ++} ++ ++static s32 ec_read_ctrl(struct i2c_client *client) ++{ ++ return i2c_smbus_read_byte_data(client, EC_CTRL); ++} ++ ++static s32 ec_write_ctrl(struct i2c_client *client, unsigned char newvalue) ++{ ++ return i2c_smbus_write_byte_data(client, EC_CTRL, newvalue); ++} ++ ++static s32 ec_read_sign(struct i2c_client *client) ++{ ++ return i2c_smbus_read_byte_data(client, EC_SIGN); ++} ++ ++static s32 ec_write_sign(struct i2c_client *client, unsigned char sign) ++{ ++ unsigned char value; ++ s32 ret; ++ ++ ret = i2c_smbus_write_byte_data(client, EC_SIGN, sign); ++ if (ret < 0) { ++ dev_err(&client->dev, "ec_set_control: write failed\n"); ++ return ret; ++ } ++ ++ value = ec_read_sign(client); ++ if (value != sign) { ++ dev_err(&client->dev, "Failed to set control to %s\n", ++ sign == EC_SIGN_OS ? "OS" : "EC"); ++ return -EIO; ++ } ++ ++ return 0; ++} ++ ++#if 0 ++static int ec_power_off(struct i2c_client *client) ++{ ++ char value; ++ int ret; ++ ++ value = ec_read_ctrl(client); ++ if (value < 0) { ++ dev_err(&client->dev, "ec_power_off: read failed\n"); ++ return value; ++ } ++ value &= ~(EC_CTRL_SUSB | EC_CTRL_SUSC); ++ ret = ec_write_ctrl(client, value); ++ if (ret < 0) { ++ dev_err(&client->dev, "ec_power_off: write failed\n"); ++ return ret; ++ } ++ ++ return 0; ++} ++#endif ++ ++static s32 ec_wlan_status(struct i2c_client *client) ++{ ++ s32 value; ++ ++ value = ec_read_ctrl(client); ++ if (value < 0) ++ return value; ++ ++ return (value & EC_CTRL_WLAN_EN) ? 1 : 0; ++} ++ ++static s32 ec_wlan_en(struct i2c_client *client, int on) ++{ ++ s32 value; ++ ++ value = ec_read_ctrl(client); ++ if (value < 0) ++ return value; ++ ++ value &= ~EC_CTRL_WLAN_EN; ++ if (on) ++ value |= EC_CTRL_WLAN_EN; ++ ++ return ec_write_ctrl(client, value&0xff); ++} ++ ++#if 0 ++static s32 ec_led_status(struct i2c_client *client) ++{ ++ s32 value; ++ ++ value = ec_read_ctrl(client); ++ if (value < 0) ++ return value; ++ ++ return (value & EC_CTRL_CHARGE_LED) ? 1 : 0; ++} ++#endif ++ ++/* Changing the charging led status has never worked */ ++static s32 ec_led_en(struct i2c_client *client, int on) ++{ ++#if 0 ++ s32 value; ++ ++ value = ec_read_ctrl(client); ++ if (value < 0) ++ return value; ++ ++ value &= ~EC_CTRL_CHARGE_LED; ++ if (on) ++ value |= EC_CTRL_CHARGE_LED; ++ return ec_write_ctrl(client, value&0xff); ++#else ++ return 0; ++#endif ++} ++ ++static s32 ec_charge_en(struct i2c_client *client, int on, int trickle) ++{ ++ s32 value; ++ s32 set = 0; ++ ++ value = ec_read_ctrl(client); ++ if (value < 0) ++ return value; ++ ++ if (on) ++ set |= EC_CTRL_CHARGE_EN; ++ if (trickle) ++ set |= EC_CTRL_TRICKLE; ++ ++ /* Be clever : don't change values if you don't need to */ ++ if ((value & (EC_CTRL_CHARGE_EN | EC_CTRL_TRICKLE)) == set) ++ return 0; ++ ++ value &= ~(EC_CTRL_CHARGE_EN | EC_CTRL_TRICKLE); ++ value |= set; ++ ec_led_en(client, on); ++ return ec_write_ctrl(client, (unsigned char)(value&0xff)); ++ ++} ++ ++/**********************************************************************/ ++/* Input functions */ ++/**********************************************************************/ ++struct gdium_keys { ++ int last_state; ++ int key_code; ++ int mask; ++ int type; ++}; ++ ++static struct gdium_keys gkeys[] = { ++ { ++ .key_code = KEY_WLAN, ++ .mask = EC_STATUS_WLAN, ++ .type = EV_KEY, ++ }, ++ { ++ .key_code = KEY_POWER, ++ .mask = EC_STATUS_PWRBUT, ++ .type = EV_KEY, /*EV_PWR,*/ ++ }, ++ { ++ .key_code = SW_LID, ++ .mask = EC_STATUS_LID, ++ .type = EV_SW, ++ }, ++}; ++ ++static void gdium_laptop_keys_poll(struct input_polled_dev *dev) ++{ ++ int state, i; ++ struct gdium_laptop_data *data = dev->private; ++ struct i2c_client *client = data->client; ++ struct input_dev *input = dev->input; ++ s32 status; ++ ++ mutex_lock(&data->mutex); ++ status = ec_read_status(client); ++ mutex_unlock(&data->mutex); ++ ++ if (status < 0) { ++ /* ++ * Don't know exactly which version of the firmware ++ * has this bug but when the power button is pressed ++ * there are i2c read errors :( ++ */ ++ if ((data->version >= 0x13) && !gkeys[1].last_state) { ++ input_event(input, EV_KEY, KEY_POWER, 1); ++ input_sync(input); ++ gkeys[1].last_state = 1; ++ } ++ return; ++ } ++ ++ for (i = 0; i < ARRAY_SIZE(gkeys); i++) { ++ state = status & gkeys[i].mask; ++ if (state != gkeys[i].last_state) { ++ gkeys[i].last_state = state; ++ /* for power key, we want power & key press/release event */ ++ if (gkeys[i].type == EV_PWR) { ++ input_event(input, EV_KEY, gkeys[i].key_code, !!state); ++ input_sync(input); ++ } ++ /* Disable wifi on key press but not key release */ ++ /* ++ * On firmware >= 0x13 the EC_STATUS_WLAN has it's ++ * original meaning of Wifi status and no more the ++ * wifi button status so we have to ignore the event ++ * on theses versions ++ */ ++ if (state && (gkeys[i].key_code == KEY_WLAN) && (data->version < 0x13)) { ++ mutex_lock(&data->mutex); ++ ec_wlan_en(client, !ec_wlan_status(client)); ++ if (gpio16) ++ gpio_set_value(SM502_WLAN_ON, !ec_wlan_status(client)); ++ mutex_unlock(&data->mutex); ++ } ++ ++ input_event(input, gkeys[i].type, gkeys[i].key_code, !!state); ++ input_sync(input); ++ } ++ } ++} ++ ++static int gdium_laptop_input_init(struct gdium_laptop_data *data) ++{ ++ struct i2c_client *client = data->client; ++ struct input_dev *input; ++ int ret, i; ++ ++ data->input_polldev = input_allocate_polled_device(); ++ if (!data->input_polldev) { ++ ret = -ENOMEM; ++ goto err; ++ } ++ ++ input = data->input_polldev->input; ++ input->evbit[0] = BIT(EV_KEY) | BIT_MASK(EV_PWR) | BIT_MASK(EV_SW); ++ data->input_polldev->poll = gdium_laptop_keys_poll; ++ data->input_polldev->poll_interval = SCAN_INTERVAL; ++ data->input_polldev->private = data; ++ input->name = "gdium-keys"; ++ input->dev.parent = &client->dev; ++ ++ input->id.bustype = BUS_HOST; ++ input->id.vendor = 0x0001; ++ input->id.product = 0x0001; ++ input->id.version = 0x0100; ++ ++ for (i = 0; i < ARRAY_SIZE(gkeys); i++) ++ input_set_capability(input, gkeys[i].type, gkeys[i].key_code); ++ ++ ret = input_register_polled_device(data->input_polldev); ++ if (ret) { ++ dev_err(&client->dev, "Unable to register button device\n"); ++ goto err_poll_dev; ++ } ++ ++ return 0; ++ ++err_poll_dev: ++ input_free_polled_device(data->input_polldev); ++err: ++ return ret; ++} ++ ++static void gdium_laptop_input_exit(struct gdium_laptop_data *data) ++{ ++ input_unregister_polled_device(data->input_polldev); ++ input_free_polled_device(data->input_polldev); ++} ++ ++/**********************************************************************/ ++/* Battery management */ ++/**********************************************************************/ ++static int gdium_ac_get_props(struct power_supply *psy, ++ enum power_supply_property psp, ++ union power_supply_propval *val) ++{ ++ char status; ++ struct gdium_laptop_data *data = container_of(psy, struct gdium_laptop_data, gdium_ac); ++ int ret = 0; ++ ++ if (!data) { ++ pr_err("gdium-ac: gdium_laptop_data not found\n"); ++ return -EINVAL; ++ } ++ ++ status = data->status; ++ switch (psp) { ++ case POWER_SUPPLY_PROP_ONLINE: ++ val->intval = !!(status & EC_STATUS_ADAPT); ++ break; ++ default: ++ ret = -EINVAL; ++ break; ++ } ++ ++ return ret; ++} ++ ++#undef RET ++#define RET (val->intval) ++ ++static int gdium_battery_get_props(struct power_supply *psy, ++ enum power_supply_property psp, ++ union power_supply_propval *val) ++{ ++ char status, ctrl; ++ struct gdium_laptop_data *data = container_of(psy, struct gdium_laptop_data, gdium_battery); ++ int percentage_capacity = 0, charge_now = 0, time_to_empty = 0; ++ int ret = 0, tmp; ++ ++ if (!data) { ++ pr_err("gdium-battery: gdium_laptop_data not found\n"); ++ return -EINVAL; ++ } ++ ++ status = data->status; ++ ctrl = data->ctrl; ++ switch (psp) { ++ case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: ++ /* uAh */ ++ RET = 5000000; ++ break; ++ case POWER_SUPPLY_PROP_CURRENT_NOW: ++ case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW: ++ /* This formula is gotten by gnuplot with the statistic data */ ++ time_to_empty = (data->battery_level - BAT_MIN_MV + BAT_READ_ERROR_MV) * 113 - 29870; ++ if (psp == POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW) { ++ /* seconds */ ++ RET = time_to_empty / 10; ++ break; ++ } ++ /* fall through */ ++ case POWER_SUPPLY_PROP_CHARGE_NOW: ++ case POWER_SUPPLY_PROP_CAPACITY: { ++ tmp = data->battery_level * 1000; ++ /* > BAT_MIN to avoid negative values */ ++ percentage_capacity = 0; ++ if ((status & EC_STATUS_BATID) && (tmp > BAT_MIN)) ++ percentage_capacity = (tmp-BAT_MIN)*100/(BAT_MAX-BAT_MIN); ++ ++ if (percentage_capacity > 100) ++ percentage_capacity = 100; ++ ++ if (psp == POWER_SUPPLY_PROP_CAPACITY) { ++ RET = percentage_capacity; ++ break; ++ } ++ charge_now = 50000 * percentage_capacity; ++ if (psp == POWER_SUPPLY_PROP_CHARGE_NOW) { ++ /* uAh */ ++ RET = charge_now; ++ break; ++ } ++ } /* fall through */ ++ case POWER_SUPPLY_PROP_STATUS: { ++ if (status & EC_STATUS_ADAPT) ++ if (ctrl & EC_CTRL_CHARGE_EN) ++ RET = POWER_SUPPLY_STATUS_CHARGING; ++ else ++ RET = POWER_SUPPLY_STATUS_NOT_CHARGING; ++ else ++ RET = POWER_SUPPLY_STATUS_DISCHARGING; ++ ++ if (psp == POWER_SUPPLY_PROP_STATUS) ++ break; ++ /* mAh -> µA */ ++ switch (RET) { ++ case POWER_SUPPLY_STATUS_CHARGING: ++ RET = -(data->charge_cmd == 2) ? 1400000 : 250000; ++ break; ++ case POWER_SUPPLY_STATUS_DISCHARGING: ++ RET = charge_now / time_to_empty * 36000; ++ break; ++ case POWER_SUPPLY_STATUS_NOT_CHARGING: ++ default: ++ RET = 0; ++ break; ++ } ++ } break; ++ case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: ++ RET = BAT_MAX+BAT_READ_ERROR; ++ break; ++ case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: ++ RET = BAT_MIN-BAT_READ_ERROR; ++ break; ++ case POWER_SUPPLY_PROP_VOLTAGE_NOW: ++ /* mV -> uV */ ++ RET = data->battery_level * 1000; ++ break; ++ case POWER_SUPPLY_PROP_PRESENT: ++#if CONFIG_GDIUM_VERSION > 2 ++ RET = !!(status & EC_STATUS_BATID); ++#else ++ RET = !!(data->battery_level > BAT_VOLT_PRESENT); ++#endif ++ break; ++ case POWER_SUPPLY_PROP_CAPACITY_LEVEL: ++ tmp = data->battery_level * 1000; ++ RET = POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN; ++ if (status & EC_STATUS_BATID) { ++ if (tmp >= BAT_MAX) { ++ RET = POWER_SUPPLY_CAPACITY_LEVEL_HIGH; ++ if (tmp >= BAT_MAX+BAT_READ_ERROR) ++ RET = POWER_SUPPLY_CAPACITY_LEVEL_FULL; ++ } else if (tmp <= BAT_MIN+BAT_READ_ERROR) { ++ RET = POWER_SUPPLY_CAPACITY_LEVEL_LOW; ++ if (tmp <= BAT_MIN) ++ RET = POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL; ++ } else ++ RET = POWER_SUPPLY_CAPACITY_LEVEL_NORMAL; ++ } ++ break; ++ case POWER_SUPPLY_PROP_CHARGE_TYPE: ++ if (ctrl & EC_CTRL_TRICKLE) ++ RET = POWER_SUPPLY_CHARGE_TYPE_TRICKLE; ++ else if (ctrl & EC_CTRL_CHARGE_EN) ++ RET = POWER_SUPPLY_CHARGE_TYPE_FAST; ++ else ++ RET = POWER_SUPPLY_CHARGE_TYPE_NONE; ++ break; ++ case POWER_SUPPLY_PROP_CURRENT_MAX: ++ /* 1.4A ? */ ++ RET = 1400000; ++ break; ++ default: ++ break; ++ } ++ ++ return ret; ++} ++#undef RET ++ ++static enum power_supply_property gdium_ac_props[] = { ++ POWER_SUPPLY_PROP_ONLINE, ++}; ++ ++static enum power_supply_property gdium_battery_props[] = { ++ POWER_SUPPLY_PROP_STATUS, ++ POWER_SUPPLY_PROP_PRESENT, ++ POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, ++ POWER_SUPPLY_PROP_CHARGE_NOW, ++ POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW, ++ POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, ++ POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, ++ POWER_SUPPLY_PROP_VOLTAGE_NOW, ++ POWER_SUPPLY_PROP_CURRENT_MAX, ++ POWER_SUPPLY_PROP_CURRENT_NOW, ++ POWER_SUPPLY_PROP_CAPACITY, ++ POWER_SUPPLY_PROP_CAPACITY_LEVEL, ++ POWER_SUPPLY_PROP_CHARGE_TYPE, ++}; ++ ++static void gdium_laptop_battery_work(struct work_struct *work) ++{ ++ struct gdium_laptop_data *data = container_of(work, struct gdium_laptop_data, work.work); ++ struct i2c_client *client; ++ int ret; ++ char old_status, old_charge_cmd; ++ char present; ++ s32 status; ++ ++ mutex_lock(&data->mutex); ++ client = data->client; ++ status = ec_read_status(client); ++ ret = ec_read_battery(client); ++ ++ if ((status < 0) || (ret < 0)) ++ goto i2c_read_error; ++ ++ old_status = data->status; ++ old_charge_cmd = data->charge_cmd; ++ data->status = status; ++ ++ /* ++ * Charge only if : ++ * - battery present ++ * - ac adapter plugged in ++ * - battery not fully charged ++ */ ++#if CONFIG_GDIUM_VERSION > 2 ++ present = !!(data->status & EC_STATUS_BATID); ++#else ++ present = !!(ret > BAT_VOLT_PRESENT); ++#endif ++ data->battery_level = 0; ++ if (present) { ++ data->battery_level = (unsigned int)ret; ++ if (data->status & EC_STATUS_ADAPT) ++ data->battery_level -= BAT_READ_ERROR_MV; ++ } ++ ++ data->charge_cmd = 0; ++ if ((data->status & EC_STATUS_ADAPT) && present && (data->battery_level <= BAT_MAX_MV)) ++ data->charge_cmd = (ret < BAT_TRICKLE_EN) ? 2 : 3; ++ ++ ec_charge_en(client, (data->charge_cmd >> 1) & 1, data->charge_cmd & 1); ++ ++ /* ++ * data->ctrl must be set _after_ calling ec_charge_en as this will change the ++ * control register content ++ */ ++ data->ctrl = ec_read_ctrl(client); ++ ++ if ((data->status & EC_STATUS_ADAPT) != (old_status & EC_STATUS_ADAPT)) { ++ power_supply_changed(&data->gdium_ac); ++ /* Send charging/discharging state change */ ++ power_supply_changed(&data->gdium_battery); ++ } else if ((data->status & EC_STATUS_ADAPT) && ++ ((old_charge_cmd&2) != (data->charge_cmd&2))) ++ power_supply_changed(&data->gdium_battery); ++ ++i2c_read_error: ++ mutex_unlock(&data->mutex); ++ queue_delayed_work(data->workqueue, &data->work, msecs_to_jiffies(BAT_SCAN_INTERVAL)); ++} ++ ++static int gdium_laptop_battery_init(struct gdium_laptop_data *data) ++{ ++ int ret; ++ ++ data->bat_pdev = platform_device_register_simple("gdium-battery", 0, NULL, 0); ++ if (IS_ERR(data->bat_pdev)) ++ return PTR_ERR(data->bat_pdev); ++ ++ data->gdium_battery.name = data->bat_pdev->name; ++ data->gdium_battery.properties = gdium_battery_props; ++ data->gdium_battery.num_properties = ARRAY_SIZE(gdium_battery_props); ++ data->gdium_battery.get_property = gdium_battery_get_props; ++ data->gdium_battery.use_for_apm = 1; ++ ++ ret = power_supply_register(&data->bat_pdev->dev, &data->gdium_battery); ++ if (ret) ++ goto err_platform; ++ ++ data->gdium_ac.name = "gdium-ac"; ++ data->gdium_ac.type = POWER_SUPPLY_TYPE_MAINS; ++ data->gdium_ac.properties = gdium_ac_props; ++ data->gdium_ac.num_properties = ARRAY_SIZE(gdium_ac_props); ++ data->gdium_ac.get_property = gdium_ac_get_props; ++/* data->gdium_ac.use_for_apm_ac = 1, */ ++ ++ ret = power_supply_register(&data->bat_pdev->dev, &data->gdium_ac); ++ if (ret) ++ goto err_battery; ++ ++ if (!ec) { ++ INIT_DELAYED_WORK(&data->work, gdium_laptop_battery_work); ++ data->workqueue = create_singlethread_workqueue("gdium-battery-work"); ++ if (!data->workqueue) { ++ ret = -ESRCH; ++ goto err_work; ++ } ++ queue_delayed_work(data->workqueue, &data->work, msecs_to_jiffies(BAT_SCAN_INTERVAL)); ++ } ++ ++ return 0; ++ ++err_work: ++err_battery: ++ power_supply_unregister(&data->gdium_battery); ++err_platform: ++ platform_device_unregister(data->bat_pdev); ++ ++ return ret; ++} ++static void gdium_laptop_battery_exit(struct gdium_laptop_data *data) ++{ ++ if (!ec) { ++ cancel_rearming_delayed_workqueue(data->workqueue, &data->work); ++ destroy_workqueue(data->workqueue); ++ } ++ power_supply_unregister(&data->gdium_battery); ++ power_supply_unregister(&data->gdium_ac); ++ platform_device_unregister(data->bat_pdev); ++} ++ ++/* Debug fs */ ++static int gdium_laptop_regs_show(struct seq_file *s, void *p) ++{ ++ struct gdium_laptop_data *data = s->private; ++ struct i2c_client *client = data->client; ++ ++ mutex_lock(&data->mutex); ++ seq_printf(s, "Version : 0x%02x\n", (unsigned char)ec_read_version(client)); ++ seq_printf(s, "Status : 0x%02x\n", (unsigned char)ec_read_status(client)); ++ seq_printf(s, "Ctrl : 0x%02x\n", (unsigned char)ec_read_ctrl(client)); ++ seq_printf(s, "Sign : 0x%02x\n", (unsigned char)ec_read_sign(client)); ++ seq_printf(s, "Bat Lo : 0x%02x\n", (unsigned char)i2c_smbus_read_byte_data(client, EC_BAT_LOW)); ++ seq_printf(s, "Bat Hi : 0x%02x\n", (unsigned char)i2c_smbus_read_byte_data(client, EC_BAT_HIGH)); ++ seq_printf(s, "Battery : %d uV\n", (unsigned int)ec_read_battery(client) * 1000); ++ seq_printf(s, "Charge cmd : %s %s\n", data->charge_cmd & 2 ? "C" : " ", data->charge_cmd & 1 ? "T" : " "); ++ ++ mutex_unlock(&data->mutex); ++ return 0; ++} ++ ++static int gdium_laptop_regs_open(struct inode *inode, ++ struct file *file) ++{ ++ return single_open(file, gdium_laptop_regs_show, inode->i_private); ++} ++ ++static const struct file_operations gdium_laptop_regs_fops = { ++ .open = gdium_laptop_regs_open, ++ .read = seq_read, ++ .llseek = seq_lseek, ++ .release = single_release, ++ .owner = THIS_MODULE, ++}; ++ ++ ++static int gdium_laptop_probe(struct i2c_client *client, const struct i2c_device_id *id) ++{ ++ struct gdium_laptop_data *data; ++ int ret; ++ ++ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { ++ dev_err(&client->dev, ++ "%s: no smbus_byte support !\n", __func__); ++ return -ENODEV; ++ } ++ ++ data = kzalloc(sizeof(struct gdium_laptop_data), GFP_KERNEL); ++ if (!data) ++ return -ENOMEM; ++ ++ i2c_set_clientdata(client, data); ++ data->client = client; ++ mutex_init(&data->mutex); ++ ++ ret = ec_read_version(client); ++ if (ret < 0) ++ goto err_alloc; ++ ++ data->version = (unsigned char)ret; ++ ++ ret = gdium_laptop_input_init(data); ++ if (ret) ++ goto err_alloc; ++ ++ ret = gdium_laptop_battery_init(data); ++ if (ret) ++ goto err_input; ++ ++ ++ if (!ec) { ++ ret = ec_write_sign(client, EC_SIGN_OS); ++ if (ret) ++ goto err_sign; ++ } ++ ++ if (gpio16) { ++ ret = gpio_request(SM502_WLAN_ON, "wlan-on"); ++ if (ret < 0) ++ goto err_sign; ++ gpio_set_value(SM502_WLAN_ON, ec_wlan_status(client)); ++ gpio_direction_output(SM502_WLAN_ON, 1); ++ } ++ ++ dev_info(&client->dev, "Found firmware 0x%02x\n", data->version); ++ data->debugfs = debugfs_create_file("gdium_laptop", S_IFREG | S_IRUGO, ++ NULL, data, &gdium_laptop_regs_fops); ++ ++ return 0; ++ ++err_sign: ++ gdium_laptop_battery_exit(data); ++err_input: ++ gdium_laptop_input_exit(data); ++err_alloc: ++ kfree(data); ++ return ret; ++} ++ ++static int gdium_laptop_remove(struct i2c_client *client) ++{ ++ struct gdium_laptop_data *data = i2c_get_clientdata(client); ++ ++ if (gpio16) ++ gpio_free(SM502_WLAN_ON); ++ ec_write_sign(client, EC_SIGN_EC); ++ if (data->debugfs) ++ debugfs_remove(data->debugfs); ++ ++ gdium_laptop_battery_exit(data); ++ gdium_laptop_input_exit(data); ++ ++ kfree(data); ++ return 0; ++} ++ ++#ifdef CONFIG_PM ++static int gdium_laptop_suspend(struct i2c_client *client, pm_message_t msg) ++{ ++ struct gdium_laptop_data *data = i2c_get_clientdata(client); ++ ++ if (!ec) ++ cancel_rearming_delayed_workqueue(data->workqueue, &data->work); ++ return 0; ++} ++ ++static int gdium_laptop_resume(struct i2c_client *client) ++{ ++ struct gdium_laptop_data *data = i2c_get_clientdata(client); ++ ++ if (!ec) ++ queue_delayed_work(data->workqueue, &data->work, msecs_to_jiffies(BAT_SCAN_INTERVAL)); ++ return 0; ++} ++#else ++#define gdium_laptop_suspend NULL ++#define gdium_laptop_resume NULL ++#endif ++static const struct i2c_device_id gdium_id[] = { ++ { "gdium-laptop" }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(i2c, gdium_id); ++ ++static struct i2c_driver gdium_laptop_driver = { ++ .driver = { ++ .name = "gdium-laptop", ++ .owner = THIS_MODULE, ++ }, ++ .probe = gdium_laptop_probe, ++ .remove = gdium_laptop_remove, ++ .shutdown = gdium_laptop_remove, ++ .suspend = gdium_laptop_suspend, ++ .resume = gdium_laptop_resume, ++ .id_table = gdium_id, ++}; ++ ++static int __init gdium_laptop_init(void) ++{ ++ return i2c_add_driver(&gdium_laptop_driver); ++} ++ ++static void __exit gdium_laptop_exit(void) ++{ ++ i2c_del_driver(&gdium_laptop_driver); ++} ++ ++module_init(gdium_laptop_init); ++module_exit(gdium_laptop_exit); ++ ++MODULE_AUTHOR("Arnaud Patard "); ++MODULE_DESCRIPTION("Gdium laptop extras"); ++MODULE_LICENSE("GPL"); +diff --git a/drivers/platform/mips/lynloong_pc.c b/drivers/platform/mips/lynloong_pc.c +new file mode 100644 +index 0000000..68f29e4 +--- /dev/null ++++ b/drivers/platform/mips/lynloong_pc.c +@@ -0,0 +1,515 @@ ++/* ++ * Driver for LynLoong PC extras ++ * ++ * Copyright (C) 2009 Lemote Inc. ++ * Author: Wu Zhangjin , Xiang Yu ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include ++#include ++#include ++#include /* for backlight subdriver */ ++#include ++#include /* for video output subdriver */ ++#include /* for suspend support */ ++ ++#include ++#include ++ ++#include ++ ++static u32 gpio_base, mfgpt_base; ++ ++static void set_gpio_reg_high(int gpio, int reg) ++{ ++ u32 val; ++ ++ val = inl(gpio_base + reg); ++ val |= (1 << gpio); ++ val &= ~(1 << (16 + gpio)); ++ outl(val, gpio_base + reg); ++ mmiowb(); ++} ++ ++static void set_gpio_reg_low(int gpio, int reg) ++{ ++ u32 val; ++ ++ val = inl(gpio_base + reg); ++ val |= (1 << (16 + gpio)); ++ val &= ~(1 << gpio); ++ outl(val, gpio_base + reg); ++ mmiowb(); ++} ++ ++static void set_gpio_output_low(int gpio) ++{ ++ set_gpio_reg_high(gpio, GPIOL_OUT_EN); ++ set_gpio_reg_low(gpio, GPIOL_OUT_VAL); ++} ++ ++static void set_gpio_output_high(int gpio) ++{ ++ set_gpio_reg_high(gpio, GPIOL_OUT_EN); ++ set_gpio_reg_high(gpio, GPIOL_OUT_VAL); ++} ++ ++/* backlight subdriver */ ++ ++#define MAX_BRIGHTNESS 100 ++#define DEFAULT_BRIGHTNESS 50 ++#define MIN_BRIGHTNESS 0 ++static unsigned int level; ++ ++DEFINE_SPINLOCK(backlight_lock); ++/* Tune the brightness */ ++static void setup_mfgpt2(void) ++{ ++ unsigned long flags; ++ ++ spin_lock_irqsave(&backlight_lock, flags); ++ ++ /* Set MFGPT2 comparator 1,2 */ ++ outw(MAX_BRIGHTNESS-level, MFGPT2_CMP1); ++ outw(MAX_BRIGHTNESS, MFGPT2_CMP2); ++ /* Clear MFGPT2 UP COUNTER */ ++ outw(0, MFGPT2_CNT); ++ /* Enable counter, compare mode, 32k */ ++ outw(0x8280, MFGPT2_SETUP); ++ ++ spin_unlock_irqrestore(&backlight_lock, flags); ++} ++ ++static int lynloong_set_brightness(struct backlight_device *bd) ++{ ++ level = (bd->props.fb_blank == FB_BLANK_UNBLANK && ++ bd->props.power == FB_BLANK_UNBLANK) ? ++ bd->props.brightness : 0; ++ ++ if (level > MAX_BRIGHTNESS) ++ level = MAX_BRIGHTNESS; ++ else if (level < MIN_BRIGHTNESS) ++ level = MIN_BRIGHTNESS; ++ ++ setup_mfgpt2(); ++ ++ return 0; ++} ++ ++static int lynloong_get_brightness(struct backlight_device *bd) ++{ ++ return level; ++} ++ ++static struct backlight_ops backlight_ops = { ++ .get_brightness = lynloong_get_brightness, ++ .update_status = lynloong_set_brightness, ++}; ++ ++static struct backlight_device *lynloong_backlight_dev; ++ ++static int lynloong_backlight_init(void) ++{ ++ int ret; ++ u32 hi; ++ struct backlight_properties props; ++ ++ /* Get gpio_base */ ++ _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_GPIO), &hi, &gpio_base); ++ /* Get mfgpt_base */ ++ _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_MFGPT), &hi, &mfgpt_base); ++ /* Get gpio_base */ ++ _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_GPIO), &hi, &gpio_base); ++ ++ /* Select for mfgpt */ ++ set_gpio_reg_high(7, GPIOL_OUT_AUX1_SEL); ++ /* Enable brightness controlling */ ++ set_gpio_output_high(7); ++ ++ memset(&props, 0, sizeof(struct backlight_properties)); ++ props.max_brightness = MAX_BRIGHTNESS; ++ props.type = BACKLIGHT_PLATFORM; ++ lynloong_backlight_dev = backlight_device_register("backlight0", NULL, ++ NULL, &backlight_ops, &props); ++ ++ if (IS_ERR(lynloong_backlight_dev)) { ++ ret = PTR_ERR(lynloong_backlight_dev); ++ return ret; ++ } ++ ++ lynloong_backlight_dev->props.brightness = DEFAULT_BRIGHTNESS; ++ backlight_update_status(lynloong_backlight_dev); ++ ++ return 0; ++} ++ ++static void lynloong_backlight_exit(void) ++{ ++ if (lynloong_backlight_dev) { ++ backlight_device_unregister(lynloong_backlight_dev); ++ lynloong_backlight_dev = NULL; ++ } ++ /* Disable brightness controlling */ ++ set_gpio_output_low(7); ++} ++ ++/* video output driver */ ++static int vo_status = 1; ++ ++static int lcd_video_output_get(struct output_device *od) ++{ ++ return vo_status; ++} ++ ++static int lcd_video_output_set(struct output_device *od) ++{ ++ int i; ++ unsigned long status; ++ ++ status = !!od->request_state; ++ ++ if (status == 0) { ++ /* Set the current status as off */ ++ vo_status = 0; ++ /* Turn off the backlight */ ++ set_gpio_output_low(11); ++ for (i = 0; i < 0x500; i++) ++ delay(); ++ /* Turn off the LCD */ ++ set_gpio_output_high(8); ++ } else { ++ /* Turn on the LCD */ ++ set_gpio_output_low(8); ++ for (i = 0; i < 0x500; i++) ++ delay(); ++ /* Turn on the backlight */ ++ set_gpio_output_high(11); ++ /* Set the current status as on */ ++ vo_status = 1; ++ } ++ ++ return 0; ++} ++ ++static struct output_properties lcd_output_properties = { ++ .set_state = lcd_video_output_set, ++ .get_status = lcd_video_output_get, ++}; ++ ++static struct output_device *lcd_output_dev; ++ ++static void lynloong_lcd_vo_set(int status) ++{ ++ lcd_output_dev->request_state = status; ++ lcd_video_output_set(lcd_output_dev); ++} ++ ++static int lynloong_vo_init(void) ++{ ++ int ret; ++ ++ /* Register video output device: lcd */ ++ lcd_output_dev = video_output_register("LCD", NULL, NULL, ++ &lcd_output_properties); ++ ++ if (IS_ERR(lcd_output_dev)) { ++ ret = PTR_ERR(lcd_output_dev); ++ lcd_output_dev = NULL; ++ return ret; ++ } ++ /* Ensure LCD is on by default */ ++ lynloong_lcd_vo_set(1); ++ ++ return 0; ++} ++ ++static void lynloong_vo_exit(void) ++{ ++ if (lcd_output_dev) { ++ video_output_unregister(lcd_output_dev); ++ lcd_output_dev = NULL; ++ } ++} ++ ++/* suspend support */ ++ ++#ifdef CONFIG_PM ++ ++static u32 smb_base; ++ ++/* I2C operations */ ++ ++static int i2c_wait(void) ++{ ++ char c; ++ int i; ++ ++ udelay(1000); ++ for (i = 0; i < 20; i++) { ++ c = inb(smb_base | SMB_STS); ++ if (c & (SMB_STS_BER | SMB_STS_NEGACK)) ++ return -1; ++ if (c & SMB_STS_SDAST) ++ return 0; ++ udelay(100); ++ } ++ return -2; ++} ++ ++static void i2c_read_single(int addr, int regNo, char *value) ++{ ++ unsigned char c; ++ ++ /* Start condition */ ++ c = inb(smb_base | SMB_CTRL1); ++ outb(c | SMB_CTRL1_START, smb_base | SMB_CTRL1); ++ i2c_wait(); ++ ++ /* Send slave address */ ++ outb(addr & 0xfe, smb_base | SMB_SDA); ++ i2c_wait(); ++ ++ /* Acknowledge smbus */ ++ c = inb(smb_base | SMB_CTRL1); ++ outb(c | SMB_CTRL1_ACK, smb_base | SMB_CTRL1); ++ ++ /* Send register index */ ++ outb(regNo, smb_base | SMB_SDA); ++ i2c_wait(); ++ ++ /* Acknowledge smbus */ ++ c = inb(smb_base | SMB_CTRL1); ++ outb(c | SMB_CTRL1_ACK, smb_base | SMB_CTRL1); ++ ++ /* Start condition again */ ++ c = inb(smb_base | SMB_CTRL1); ++ outb(c | SMB_CTRL1_START, smb_base | SMB_CTRL1); ++ i2c_wait(); ++ ++ /* Send salve address again */ ++ outb(1 | addr, smb_base | SMB_SDA); ++ i2c_wait(); ++ ++ /* Acknowledge smbus */ ++ c = inb(smb_base | SMB_CTRL1); ++ outb(c | SMB_CTRL1_ACK, smb_base | SMB_CTRL1); ++ ++ /* Read data */ ++ *value = inb(smb_base | SMB_SDA); ++ ++ /* Stop condition */ ++ outb(SMB_CTRL1_STOP, smb_base | SMB_CTRL1); ++ i2c_wait(); ++} ++ ++static void i2c_write_single(int addr, int regNo, char value) ++{ ++ unsigned char c; ++ ++ /* Start condition */ ++ c = inb(smb_base | SMB_CTRL1); ++ outb(c | SMB_CTRL1_START, smb_base | SMB_CTRL1); ++ i2c_wait(); ++ /* Send slave address */ ++ outb(addr & 0xfe, smb_base | SMB_SDA); ++ i2c_wait();; ++ ++ /* Send register index */ ++ outb(regNo, smb_base | SMB_SDA); ++ i2c_wait(); ++ ++ /* Write data */ ++ outb(value, smb_base | SMB_SDA); ++ i2c_wait(); ++ /* Stop condition */ ++ outb(SMB_CTRL1_STOP, smb_base | SMB_CTRL1); ++ i2c_wait(); ++} ++ ++static void stop_clock(int clk_reg, int clk_sel) ++{ ++ u8 value; ++ ++ i2c_read_single(0xd3, clk_reg, &value); ++ value &= ~(1 << clk_sel); ++ i2c_write_single(0xd2, clk_reg, value); ++} ++ ++static void enable_clock(int clk_reg, int clk_sel) ++{ ++ u8 value; ++ ++ i2c_read_single(0xd3, clk_reg, &value); ++ value |= (1 << clk_sel); ++ i2c_write_single(0xd2, clk_reg, value); ++} ++ ++static char cached_clk_freq; ++static char cached_pci_fixed_freq; ++ ++static void decrease_clk_freq(void) ++{ ++ char value; ++ ++ i2c_read_single(0xd3, 1, &value); ++ cached_clk_freq = value; ++ ++ /* Select frequency by software */ ++ value |= (1 << 1); ++ /* CPU, 3V66, PCI : 100, 66, 33(1) */ ++ value |= (1 << 2); ++ i2c_write_single(0xd2, 1, value); ++ ++ /* Cache the pci frequency */ ++ i2c_read_single(0xd3, 14, &value); ++ cached_pci_fixed_freq = value; ++ ++ /* Enable PCI fix mode */ ++ value |= (1 << 5); ++ /* 3V66, PCI : 64MHz, 32MHz */ ++ value |= (1 << 3); ++ i2c_write_single(0xd2, 14, value); ++ ++} ++ ++static void resume_clk_freq(void) ++{ ++ i2c_write_single(0xd2, 1, cached_clk_freq); ++ i2c_write_single(0xd2, 14, cached_pci_fixed_freq); ++} ++ ++static void stop_clocks(void) ++{ ++ /* CPU Clock Register */ ++ stop_clock(2, 5); /* not used */ ++ stop_clock(2, 6); /* not used */ ++ stop_clock(2, 7); /* not used */ ++ ++ /* PCI Clock Register */ ++ stop_clock(3, 1); /* 8100 */ ++ stop_clock(3, 5); /* SIS */ ++ stop_clock(3, 0); /* not used */ ++ stop_clock(3, 6); /* not used */ ++ ++ /* PCI 48M Clock Register */ ++ stop_clock(4, 6); /* USB grounding */ ++ stop_clock(4, 5); /* REF(5536_14M) */ ++ ++ /* 3V66 Control Register */ ++ stop_clock(5, 0); /* VCH_CLK..., grounding */ ++} ++ ++static void enable_clocks(void) ++{ ++ enable_clock(3, 1); /* 8100 */ ++ enable_clock(3, 5); /* SIS */ ++ ++ enable_clock(4, 6); ++ enable_clock(4, 5); /* REF(5536_14M) */ ++ ++ enable_clock(5, 0); /* VCH_CLOCK, grounding */ ++} ++ ++static int lynloong_suspend(struct device *dev) ++{ ++ /* Disable AMP */ ++ set_gpio_output_high(6); ++ /* Turn off LCD */ ++ lynloong_lcd_vo_set(0); ++ ++ /* Stop the clocks of some devices */ ++ stop_clocks(); ++ ++ /* Decrease the external clock frequency */ ++ decrease_clk_freq(); ++ ++ return 0; ++} ++ ++static int lynloong_resume(struct device *dev) ++{ ++ /* Turn on the LCD */ ++ lynloong_lcd_vo_set(1); ++ ++ /* Resume clock frequency, enable the relative clocks */ ++ resume_clk_freq(); ++ enable_clocks(); ++ ++ /* Enable AMP */ ++ set_gpio_output_low(6); ++ ++ return 0; ++} ++ ++static const SIMPLE_DEV_PM_OPS(lynloong_pm_ops, lynloong_suspend, ++ lynloong_resume); ++#endif /* !CONFIG_PM */ ++ ++static struct platform_device_id platform_device_ids[] = { ++ { ++ .name = "lynloong_pc", ++ }, ++ {} ++}; ++ ++MODULE_DEVICE_TABLE(platform, platform_device_ids); ++ ++static struct platform_driver platform_driver = { ++ .driver = { ++ .name = "lynloong_pc", ++ .owner = THIS_MODULE, ++#ifdef CONFIG_PM ++ .pm = &lynloong_pm_ops, ++#endif ++ }, ++ .id_table = platform_device_ids, ++}; ++ ++static int __init lynloong_init(void) ++{ ++ int ret; ++ ++ pr_info("LynLoong platform specific driver loaded.\n"); ++ ++ /* Register platform stuff */ ++ ret = platform_driver_register(&platform_driver); ++ if (ret) { ++ pr_err("Failed to register LynLoong platform driver.\n"); ++ return ret; ++ } ++ ++ ret = lynloong_backlight_init(); ++ if (ret) { ++ pr_err("Failed to register LynLoong backlight driver.\n"); ++ return ret; ++ } ++ ++ ret = lynloong_vo_init(); ++ if (ret) { ++ pr_err("Failed to register LynLoong backlight driver.\n"); ++ lynloong_vo_exit(); ++ return ret; ++ } ++ ++ return 0; ++} ++ ++static void __exit lynloong_exit(void) ++{ ++ lynloong_vo_exit(); ++ lynloong_backlight_exit(); ++ platform_driver_unregister(&platform_driver); ++ ++ pr_info("LynLoong platform specific driver unloaded.\n"); ++} ++ ++module_init(lynloong_init); ++module_exit(lynloong_exit); ++ ++MODULE_AUTHOR("Wu Zhangjin ; Xiang Yu "); ++MODULE_DESCRIPTION("LynLoong PC driver"); ++MODULE_LICENSE("GPL"); +diff --git a/drivers/platform/mips/yeeloong_ecrom.c b/drivers/platform/mips/yeeloong_ecrom.c +new file mode 100644 +index 0000000..1bfe4cf +--- /dev/null ++++ b/drivers/platform/mips/yeeloong_ecrom.c +@@ -0,0 +1,944 @@ ++/* ++ * Driver for flushing/dumping ROM of EC on YeeLoong laptop ++ * ++ * Copyright (C) 2009 Lemote Inc. ++ * Author: liujl ++ * ++ * NOTE : ++ * The EC resources accessing and programming are supported. ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++ ++#include ++ ++#define EC_MISC_DEV "ec_misc" ++#define EC_IOC_MAGIC 'E' ++ ++/* ec registers range */ ++#define EC_MAX_REGADDR 0xFFFF ++#define EC_MIN_REGADDR 0xF000 ++#define EC_RAM_ADDR 0xF800 ++ ++/* version burned address */ ++#define VER_ADDR 0xf7a1 ++#define VER_MAX_SIZE 7 ++#define EC_ROM_MAX_SIZE 0x10000 ++ ++/* ec internal register */ ++#define REG_POWER_MODE 0xF710 ++#define FLAG_NORMAL_MODE 0x00 ++#define FLAG_IDLE_MODE 0x01 ++#define FLAG_RESET_MODE 0x02 ++ ++/* ec update program flag */ ++#define PROGRAM_FLAG_NONE 0x00 ++#define PROGRAM_FLAG_IE 0x01 ++#define PROGRAM_FLAG_ROM 0x02 ++ ++/* XBI relative registers */ ++#define REG_XBISEG0 0xFEA0 ++#define REG_XBISEG1 0xFEA1 ++#define REG_XBIRSV2 0xFEA2 ++#define REG_XBIRSV3 0xFEA3 ++#define REG_XBIRSV4 0xFEA4 ++#define REG_XBICFG 0xFEA5 ++#define REG_XBICS 0xFEA6 ++#define REG_XBIWE 0xFEA7 ++#define REG_XBISPIA0 0xFEA8 ++#define REG_XBISPIA1 0xFEA9 ++#define REG_XBISPIA2 0xFEAA ++#define REG_XBISPIDAT 0xFEAB ++#define REG_XBISPICMD 0xFEAC ++#define REG_XBISPICFG 0xFEAD ++#define REG_XBISPIDATR 0xFEAE ++#define REG_XBISPICFG2 0xFEAF ++ ++/* commands definition for REG_XBISPICMD */ ++#define SPICMD_WRITE_STATUS 0x01 ++#define SPICMD_BYTE_PROGRAM 0x02 ++#define SPICMD_READ_BYTE 0x03 ++#define SPICMD_WRITE_DISABLE 0x04 ++#define SPICMD_READ_STATUS 0x05 ++#define SPICMD_WRITE_ENABLE 0x06 ++#define SPICMD_HIGH_SPEED_READ 0x0B ++#define SPICMD_POWER_DOWN 0xB9 ++#define SPICMD_SST_EWSR 0x50 ++#define SPICMD_SST_SEC_ERASE 0x20 ++#define SPICMD_SST_BLK_ERASE 0x52 ++#define SPICMD_SST_CHIP_ERASE 0x60 ++#define SPICMD_FRDO 0x3B ++#define SPICMD_SEC_ERASE 0xD7 ++#define SPICMD_BLK_ERASE 0xD8 ++#define SPICMD_CHIP_ERASE 0xC7 ++ ++/* bits definition for REG_XBISPICFG */ ++#define SPICFG_AUTO_CHECK 0x01 ++#define SPICFG_SPI_BUSY 0x02 ++#define SPICFG_DUMMY_READ 0x04 ++#define SPICFG_EN_SPICMD 0x08 ++#define SPICFG_LOW_SPICS 0x10 ++#define SPICFG_EN_SHORT_READ 0x20 ++#define SPICFG_EN_OFFSET_READ 0x40 ++#define SPICFG_EN_FAST_READ 0x80 ++ ++/* watchdog timer registers */ ++#define REG_WDTCFG 0xfe80 ++#define REG_WDTPF 0xfe81 ++#define REG_WDT 0xfe82 ++ ++/* lpc configure register */ ++#define REG_LPCCFG 0xfe95 ++ ++/* 8051 reg */ ++#define REG_PXCFG 0xff14 ++ ++/* Fan register in KB3310 */ ++#define REG_ECFAN_SPEED_LEVEL 0xf4e4 ++#define REG_ECFAN_SWITCH 0xf4d2 ++ ++/* the ec flash rom id number */ ++#define EC_ROM_PRODUCT_ID_SPANSION 0x01 ++#define EC_ROM_PRODUCT_ID_MXIC 0xC2 ++#define EC_ROM_PRODUCT_ID_AMIC 0x37 ++#define EC_ROM_PRODUCT_ID_EONIC 0x1C ++ ++/* misc ioctl operations */ ++#define IOCTL_RDREG _IOR(EC_IOC_MAGIC, 1, int) ++#define IOCTL_WRREG _IOW(EC_IOC_MAGIC, 2, int) ++#define IOCTL_READ_EC _IOR(EC_IOC_MAGIC, 3, int) ++#define IOCTL_PROGRAM_IE _IOW(EC_IOC_MAGIC, 4, int) ++#define IOCTL_PROGRAM_EC _IOW(EC_IOC_MAGIC, 5, int) ++ ++/* start address for programming of EC content or IE */ ++/* ec running code start address */ ++#define EC_START_ADDR 0x00000000 ++/* ec information element storing address */ ++#define IE_START_ADDR 0x00020000 ++ ++/* EC state */ ++#define EC_STATE_IDLE 0x00 /* ec in idle state */ ++#define EC_STATE_BUSY 0x01 /* ec in busy state */ ++ ++/* timeout value for programming */ ++#define EC_FLASH_TIMEOUT 0x1000 /* ec program timeout */ ++/* command checkout timeout including cmd to port or state flag check */ ++#define EC_CMD_TIMEOUT 0x1000 ++#define EC_SPICMD_STANDARD_TIMEOUT (4 * 1000) /* unit : us */ ++#define EC_MAX_DELAY_UNIT (10) /* every time for polling */ ++#define SPI_FINISH_WAIT_TIME 10 ++/* EC content max size */ ++#define EC_CONTENT_MAX_SIZE (64 * 1024) ++#define IE_CONTENT_MAX_SIZE (0x100000 - IE_START_ADDR) ++ ++/* the register operation access struct */ ++struct ec_reg { ++ u32 addr; /* the address of kb3310 registers */ ++ u8 val; /* the register value */ ++}; ++ ++struct ec_info { ++ u32 start_addr; ++ u32 size; ++ u8 *buf; ++}; ++ ++/* open for using rom protection action */ ++#define EC_ROM_PROTECTION ++ ++/* enable the chip reset mode */ ++static int ec_init_reset_mode(void) ++{ ++ int timeout; ++ unsigned char status = 0; ++ int ret = 0; ++ ++ /* make chip goto reset mode */ ++ ret = ec_query_seq(CMD_INIT_RESET_MODE); ++ if (ret < 0) { ++ printk(KERN_ERR "ec init reset mode failed.\n"); ++ goto out; ++ } ++ ++ /* make the action take active */ ++ timeout = EC_CMD_TIMEOUT; ++ status = ec_read(REG_POWER_MODE) & FLAG_RESET_MODE; ++ while (timeout--) { ++ if (status) { ++ udelay(EC_REG_DELAY); ++ break; ++ } ++ status = ec_read(REG_POWER_MODE) & FLAG_RESET_MODE; ++ udelay(EC_REG_DELAY); ++ } ++ if (timeout <= 0) { ++ printk(KERN_ERR "ec rom fixup : can't check reset status.\n"); ++ ret = -EINVAL; ++ } else ++ printk(KERN_INFO "(%d/%d)reset 0xf710 : 0x%x\n", timeout, ++ EC_CMD_TIMEOUT - timeout, status); ++ ++ /* set MCU to reset mode */ ++ udelay(EC_REG_DELAY); ++ status = ec_read(REG_PXCFG); ++ status |= (1 << 0); ++ ec_write(REG_PXCFG, status); ++ udelay(EC_REG_DELAY); ++ ++ /* disable FWH/LPC */ ++ udelay(EC_REG_DELAY); ++ status = ec_read(REG_LPCCFG); ++ status &= ~(1 << 7); ++ ec_write(REG_LPCCFG, status); ++ udelay(EC_REG_DELAY); ++ ++ printk(KERN_INFO "entering reset mode ok..............\n"); ++ ++ out: ++ return ret; ++} ++ ++/* make ec exit from reset mode */ ++static void ec_exit_reset_mode(void) ++{ ++ unsigned char regval; ++ ++ udelay(EC_REG_DELAY); ++ regval = ec_read(REG_LPCCFG); ++ regval |= (1 << 7); ++ ec_write(REG_LPCCFG, regval); ++ regval = ec_read(REG_PXCFG); ++ regval &= ~(1 << 0); ++ ec_write(REG_PXCFG, regval); ++ printk(KERN_INFO "exit reset mode ok..................\n"); ++ ++ return; ++} ++ ++/* make ec disable WDD */ ++static void ec_disable_WDD(void) ++{ ++ unsigned char status; ++ ++ udelay(EC_REG_DELAY); ++ status = ec_read(REG_WDTCFG); ++ ec_write(REG_WDTPF, 0x03); ++ ec_write(REG_WDTCFG, (status & 0x80) | 0x48); ++ printk(KERN_INFO "Disable WDD ok..................\n"); ++ ++ return; ++} ++ ++/* make ec enable WDD */ ++static void ec_enable_WDD(void) ++{ ++ unsigned char status; ++ ++ udelay(EC_REG_DELAY); ++ status = ec_read(REG_WDTCFG); ++ ec_write(REG_WDT, 0x28); /* set WDT 5sec(0x28) */ ++ ec_write(REG_WDTCFG, (status & 0x80) | 0x03); ++ printk(KERN_INFO "Enable WDD ok..................\n"); ++ ++ return; ++} ++ ++/* make ec goto idle mode */ ++static int ec_init_idle_mode(void) ++{ ++ int timeout; ++ unsigned char status = 0; ++ int ret = 0; ++ ++ ec_query_seq(CMD_INIT_IDLE_MODE); ++ ++ /* make the action take active */ ++ timeout = EC_CMD_TIMEOUT; ++ status = ec_read(REG_POWER_MODE) & FLAG_IDLE_MODE; ++ while (timeout--) { ++ if (status) { ++ udelay(EC_REG_DELAY); ++ break; ++ } ++ status = ec_read(REG_POWER_MODE) & FLAG_IDLE_MODE; ++ udelay(EC_REG_DELAY); ++ } ++ if (timeout <= 0) { ++ printk(KERN_ERR "ec rom fixup : can't check out the status.\n"); ++ ret = -EINVAL; ++ } else ++ printk(KERN_INFO "(%d/%d)0xf710 : 0x%x\n", timeout, ++ EC_CMD_TIMEOUT - timeout, ec_read(REG_POWER_MODE)); ++ ++ printk(KERN_INFO "entering idle mode ok...................\n"); ++ ++ return ret; ++} ++ ++/* make ec exit from idle mode */ ++static int ec_exit_idle_mode(void) ++{ ++ ++ ec_query_seq(CMD_EXIT_IDLE_MODE); ++ ++ printk(KERN_INFO "exit idle mode ok...................\n"); ++ ++ return 0; ++} ++ ++static int ec_instruction_cycle(void) ++{ ++ unsigned long timeout; ++ int ret = 0; ++ ++ timeout = EC_FLASH_TIMEOUT; ++ while (timeout-- >= 0) { ++ if (!(ec_read(REG_XBISPICFG) & SPICFG_SPI_BUSY)) ++ break; ++ } ++ if (timeout <= 0) { ++ printk(KERN_ERR ++ "EC_INSTRUCTION_CYCLE : timeout for check flag.\n"); ++ ret = -EINVAL; ++ goto out; ++ } ++ ++ out: ++ return ret; ++} ++ ++/* To see if the ec is in busy state or not. */ ++static inline int ec_flash_busy(unsigned long timeout) ++{ ++ /* assurance the first command be going to rom */ ++ if (ec_instruction_cycle() < 0) ++ return EC_STATE_BUSY; ++#if 1 ++ timeout = timeout / EC_MAX_DELAY_UNIT; ++ while (timeout-- > 0) { ++ /* check the rom's status of busy flag */ ++ ec_write(REG_XBISPICMD, SPICMD_READ_STATUS); ++ if (ec_instruction_cycle() < 0) ++ return EC_STATE_BUSY; ++ if ((ec_read(REG_XBISPIDAT) & 0x01) == 0x00) ++ return EC_STATE_IDLE; ++ udelay(EC_MAX_DELAY_UNIT); ++ } ++ if (timeout <= 0) { ++ printk(KERN_ERR ++ "EC_FLASH_BUSY : timeout for check rom flag.\n"); ++ return EC_STATE_BUSY; ++ } ++#else ++ /* check the rom's status of busy flag */ ++ ec_write(REG_XBISPICMD, SPICMD_READ_STATUS); ++ if (ec_instruction_cycle() < 0) ++ return EC_STATE_BUSY; ++ ++ timeout = timeout / EC_MAX_DELAY_UNIT; ++ while (timeout-- > 0) { ++ if ((ec_read(REG_XBISPIDAT) & 0x01) == 0x00) ++ return EC_STATE_IDLE; ++ udelay(EC_MAX_DELAY_UNIT); ++ } ++ if (timeout <= 0) { ++ printk(KERN_ERR ++ "EC_FLASH_BUSY : timeout for check rom flag.\n"); ++ return EC_STATE_BUSY; ++ } ++#endif ++ ++ return EC_STATE_IDLE; ++} ++ ++static int rom_instruction_cycle(unsigned char cmd) ++{ ++ unsigned long timeout = 0; ++ ++ switch (cmd) { ++ case SPICMD_READ_STATUS: ++ case SPICMD_WRITE_ENABLE: ++ case SPICMD_WRITE_DISABLE: ++ case SPICMD_READ_BYTE: ++ case SPICMD_HIGH_SPEED_READ: ++ timeout = 0; ++ break; ++ case SPICMD_WRITE_STATUS: ++ timeout = 300 * 1000; ++ break; ++ case SPICMD_BYTE_PROGRAM: ++ timeout = 5 * 1000; ++ break; ++ case SPICMD_SST_SEC_ERASE: ++ case SPICMD_SEC_ERASE: ++ timeout = 1000 * 1000; ++ break; ++ case SPICMD_SST_BLK_ERASE: ++ case SPICMD_BLK_ERASE: ++ timeout = 3 * 1000 * 1000; ++ break; ++ case SPICMD_SST_CHIP_ERASE: ++ case SPICMD_CHIP_ERASE: ++ timeout = 20 * 1000 * 1000; ++ break; ++ default: ++ timeout = EC_SPICMD_STANDARD_TIMEOUT; ++ } ++ if (timeout == 0) ++ return ec_instruction_cycle(); ++ if (timeout < EC_SPICMD_STANDARD_TIMEOUT) ++ timeout = EC_SPICMD_STANDARD_TIMEOUT; ++ ++ return ec_flash_busy(timeout); ++} ++ ++/* delay for start/stop action */ ++static void delay_spi(int n) ++{ ++ while (n--) ++ inb(EC_IO_PORT_HIGH); ++} ++ ++/* start the action to spi rom function */ ++static void ec_start_spi(void) ++{ ++ unsigned char val; ++ ++ delay_spi(SPI_FINISH_WAIT_TIME); ++ val = ec_read(REG_XBISPICFG) | SPICFG_EN_SPICMD | SPICFG_AUTO_CHECK; ++ ec_write(REG_XBISPICFG, val); ++ delay_spi(SPI_FINISH_WAIT_TIME); ++} ++ ++/* stop the action to spi rom function */ ++static void ec_stop_spi(void) ++{ ++ unsigned char val; ++ ++ delay_spi(SPI_FINISH_WAIT_TIME); ++ val = ++ ec_read(REG_XBISPICFG) & (~(SPICFG_EN_SPICMD | SPICFG_AUTO_CHECK)); ++ ec_write(REG_XBISPICFG, val); ++ delay_spi(SPI_FINISH_WAIT_TIME); ++} ++ ++/* read one byte from xbi interface */ ++static int ec_read_byte(unsigned int addr, unsigned char *byte) ++{ ++ int ret = 0; ++ ++ /* enable spicmd writing. */ ++ ec_start_spi(); ++ ++ /* enable write spi flash */ ++ ec_write(REG_XBISPICMD, SPICMD_WRITE_ENABLE); ++ if (rom_instruction_cycle(SPICMD_WRITE_ENABLE) == EC_STATE_BUSY) { ++ printk(KERN_ERR "EC_READ_BYTE : SPICMD_WRITE_ENABLE failed.\n"); ++ ret = -EINVAL; ++ goto out; ++ } ++ ++ /* write the address */ ++ ec_write(REG_XBISPIA2, (addr & 0xff0000) >> 16); ++ ec_write(REG_XBISPIA1, (addr & 0x00ff00) >> 8); ++ ec_write(REG_XBISPIA0, (addr & 0x0000ff) >> 0); ++ /* start action */ ++ ec_write(REG_XBISPICMD, SPICMD_HIGH_SPEED_READ); ++ if (rom_instruction_cycle(SPICMD_HIGH_SPEED_READ) == EC_STATE_BUSY) { ++ printk(KERN_ERR ++ "EC_READ_BYTE : SPICMD_HIGH_SPEED_READ failed.\n"); ++ ret = -EINVAL; ++ goto out; ++ } ++ ++ *byte = ec_read(REG_XBISPIDAT); ++ ++ out: ++ /* disable spicmd writing. */ ++ ec_stop_spi(); ++ ++ return ret; ++} ++ ++/* write one byte to ec rom */ ++static int ec_write_byte(unsigned int addr, unsigned char byte) ++{ ++ int ret = 0; ++ ++ /* enable spicmd writing. */ ++ ec_start_spi(); ++ ++ /* enable write spi flash */ ++ ec_write(REG_XBISPICMD, SPICMD_WRITE_ENABLE); ++ if (rom_instruction_cycle(SPICMD_WRITE_ENABLE) == EC_STATE_BUSY) { ++ printk(KERN_ERR ++ "EC_WRITE_BYTE : SPICMD_WRITE_ENABLE failed.\n"); ++ ret = -EINVAL; ++ goto out; ++ } ++ ++ /* write the address */ ++ ec_write(REG_XBISPIA2, (addr & 0xff0000) >> 16); ++ ec_write(REG_XBISPIA1, (addr & 0x00ff00) >> 8); ++ ec_write(REG_XBISPIA0, (addr & 0x0000ff) >> 0); ++ ec_write(REG_XBISPIDAT, byte); ++ /* start action */ ++ ec_write(REG_XBISPICMD, SPICMD_BYTE_PROGRAM); ++ if (rom_instruction_cycle(SPICMD_BYTE_PROGRAM) == EC_STATE_BUSY) { ++ printk(KERN_ERR ++ "EC_WRITE_BYTE : SPICMD_BYTE_PROGRAM failed.\n"); ++ ret = -EINVAL; ++ goto out; ++ } ++ ++ out: ++ /* disable spicmd writing. */ ++ ec_stop_spi(); ++ ++ return ret; ++} ++ ++/* unprotect SPI ROM */ ++/* EC_ROM_unprotect function code */ ++static int EC_ROM_unprotect(void) ++{ ++ unsigned char status; ++ ++ /* enable write spi flash */ ++ ec_write(REG_XBISPICMD, SPICMD_WRITE_ENABLE); ++ if (rom_instruction_cycle(SPICMD_WRITE_ENABLE) == EC_STATE_BUSY) { ++ printk(KERN_ERR ++ "EC_UNIT_ERASE : SPICMD_WRITE_ENABLE failed.\n"); ++ return 1; ++ } ++ ++ /* unprotect the status register of rom */ ++ ec_write(REG_XBISPICMD, SPICMD_READ_STATUS); ++ if (rom_instruction_cycle(SPICMD_READ_STATUS) == EC_STATE_BUSY) { ++ printk(KERN_ERR "EC_UNIT_ERASE : SPICMD_READ_STATUS failed.\n"); ++ return 1; ++ } ++ status = ec_read(REG_XBISPIDAT); ++ ec_write(REG_XBISPIDAT, status & 0x02); ++ if (ec_instruction_cycle() < 0) { ++ printk(KERN_ERR "EC_UNIT_ERASE : write status value failed.\n"); ++ return 1; ++ } ++ ++ ec_write(REG_XBISPICMD, SPICMD_WRITE_STATUS); ++ if (rom_instruction_cycle(SPICMD_WRITE_STATUS) == EC_STATE_BUSY) { ++ printk(KERN_ERR ++ "EC_UNIT_ERASE : SPICMD_WRITE_STATUS failed.\n"); ++ return 1; ++ } ++ ++ /* enable write spi flash */ ++ ec_write(REG_XBISPICMD, SPICMD_WRITE_ENABLE); ++ if (rom_instruction_cycle(SPICMD_WRITE_ENABLE) == EC_STATE_BUSY) { ++ printk(KERN_ERR ++ "EC_UNIT_ERASE : SPICMD_WRITE_ENABLE failed.\n"); ++ return 1; ++ } ++ ++ return 0; ++} ++ ++/* erase one block or chip or sector as needed */ ++static int ec_unit_erase(unsigned char erase_cmd, unsigned int addr) ++{ ++ unsigned char status; ++ int ret = 0, i = 0; ++ int unprotect_count = 3; ++ int check_flag = 0; ++ ++ /* enable spicmd writing. */ ++ ec_start_spi(); ++ ++#ifdef EC_ROM_PROTECTION ++ /* added for re-check SPICMD_READ_STATUS */ ++ while (unprotect_count-- > 0) { ++ if (EC_ROM_unprotect()) { ++ ret = -EINVAL; ++ goto out; ++ } ++ ++ /* first time:500ms --> 5.5sec -->10.5sec */ ++ for (i = 0; i < ((2 - unprotect_count) * 100 + 10); i++) ++ udelay(50000); ++ ec_write(REG_XBISPICMD, SPICMD_READ_STATUS); ++ if (rom_instruction_cycle(SPICMD_READ_STATUS) ++ == EC_STATE_BUSY) { ++ printk(KERN_ERR ++ "EC_PROGRAM_ROM : SPICMD_READ_STATUS failed.\n"); ++ } else { ++ status = ec_read(REG_XBISPIDAT); ++ printk(KERN_INFO "Read unprotect status : 0x%x\n", ++ status); ++ if ((status & 0x1C) == 0x00) { ++ printk(KERN_INFO ++ "Read unprotect status OK1 : 0x%x\n", ++ status & 0x1C); ++ check_flag = 1; ++ break; ++ } ++ } ++ } ++ ++ if (!check_flag) { ++ printk(KERN_INFO "SPI ROM unprotect fail.\n"); ++ return 1; ++ } ++#endif ++ ++ /* block address fill */ ++ if (erase_cmd == SPICMD_BLK_ERASE) { ++ ec_write(REG_XBISPIA2, (addr & 0x00ff0000) >> 16); ++ ec_write(REG_XBISPIA1, (addr & 0x0000ff00) >> 8); ++ ec_write(REG_XBISPIA0, (addr & 0x000000ff) >> 0); ++ } ++ ++ /* erase the whole chip first */ ++ ec_write(REG_XBISPICMD, erase_cmd); ++ if (rom_instruction_cycle(erase_cmd) == EC_STATE_BUSY) { ++ printk(KERN_ERR "EC_UNIT_ERASE : erase failed.\n"); ++ ret = -EINVAL; ++ goto out; ++ } ++ ++ out: ++ /* disable spicmd writing. */ ++ ec_stop_spi(); ++ ++ return ret; ++} ++ ++/* update the whole rom content with H/W mode ++ * PLEASE USING ec_unit_erase() FIRSTLY ++ */ ++static int ec_program_rom(struct ec_info *info, int flag) ++{ ++ unsigned int addr = 0; ++ unsigned long size = 0; ++ unsigned char *ptr = NULL; ++ unsigned char data; ++ unsigned char val = 0; ++ int ret = 0; ++ int i, j; ++ unsigned char status; ++ ++ /* modify for program serial No. ++ * set IE_START_ADDR & use idle mode, ++ * disable WDD ++ */ ++ if (flag == PROGRAM_FLAG_ROM) { ++ ret = ec_init_reset_mode(); ++ addr = info->start_addr + EC_START_ADDR; ++ printk(KERN_INFO "PROGRAM_FLAG_ROM..............\n"); ++ } else if (flag == PROGRAM_FLAG_IE) { ++ ret = ec_init_idle_mode(); ++ ec_disable_WDD(); ++ addr = info->start_addr + IE_START_ADDR; ++ printk(KERN_INFO "PROGRAM_FLAG_IE..............\n"); ++ } else { ++ return 0; ++ } ++ ++ if (ret < 0) { ++ if (flag == PROGRAM_FLAG_IE) ++ ec_enable_WDD(); ++ return ret; ++ } ++ ++ size = info->size; ++ ptr = info->buf; ++ printk(KERN_INFO "starting update ec ROM..............\n"); ++ ++ ret = ec_unit_erase(SPICMD_BLK_ERASE, addr); ++ if (ret) { ++ printk(KERN_ERR "program ec : erase block failed.\n"); ++ goto out; ++ } ++ printk(KERN_ERR "program ec : erase block OK.\n"); ++ ++ i = 0; ++ while (i < size) { ++ data = *(ptr + i); ++ ec_write_byte(addr, data); ++ ec_read_byte(addr, &val); ++ if (val != data) { ++ ec_write_byte(addr, data); ++ ec_read_byte(addr, &val); ++ if (val != data) { ++ printk(KERN_INFO ++ "EC : Second flash program failed at:\t"); ++ printk(KERN_INFO ++ "addr : 0x%x, source : 0x%x, dest: 0x%x\n", ++ addr, data, val); ++ printk(KERN_INFO "This should not happen... STOP\n"); ++ break; ++ } ++ } ++ i++; ++ addr++; ++ } ++ ++#ifdef EC_ROM_PROTECTION ++ /* we should start spi access firstly */ ++ ec_start_spi(); ++ ++ /* enable write spi flash */ ++ ec_write(REG_XBISPICMD, SPICMD_WRITE_ENABLE); ++ if (rom_instruction_cycle(SPICMD_WRITE_ENABLE) == EC_STATE_BUSY) { ++ printk(KERN_ERR ++ "EC_PROGRAM_ROM : SPICMD_WRITE_ENABLE failed.\n"); ++ goto out1; ++ } ++ ++ /* protect the status register of rom */ ++ ec_write(REG_XBISPICMD, SPICMD_READ_STATUS); ++ if (rom_instruction_cycle(SPICMD_READ_STATUS) == EC_STATE_BUSY) { ++ printk(KERN_ERR ++ "EC_PROGRAM_ROM : SPICMD_READ_STATUS failed.\n"); ++ goto out1; ++ } ++ status = ec_read(REG_XBISPIDAT); ++ ++ ec_write(REG_XBISPIDAT, status | 0x1C); ++ if (ec_instruction_cycle() < 0) { ++ printk(KERN_ERR ++ "EC_PROGRAM_ROM : write status value failed.\n"); ++ goto out1; ++ } ++ ++ ec_write(REG_XBISPICMD, SPICMD_WRITE_STATUS); ++ if (rom_instruction_cycle(SPICMD_WRITE_STATUS) == EC_STATE_BUSY) { ++ printk(KERN_ERR ++ "EC_PROGRAM_ROM : SPICMD_WRITE_STATUS failed.\n"); ++ goto out1; ++ } ++#endif ++ ++ /* disable the write action to spi rom */ ++ ec_write(REG_XBISPICMD, SPICMD_WRITE_DISABLE); ++ if (rom_instruction_cycle(SPICMD_WRITE_DISABLE) == EC_STATE_BUSY) { ++ printk(KERN_ERR ++ "EC_PROGRAM_ROM : SPICMD_WRITE_DISABLE failed.\n"); ++ goto out1; ++ } ++ ++ out1: ++ /* we should stop spi access firstly */ ++ ec_stop_spi(); ++ out: ++ /* for security */ ++ for (j = 0; j < 2000; j++) ++ udelay(1000); ++ ++ /* modify for program serial No. ++ * after program No exit idle mode ++ * and enable WDD ++ */ ++ if (flag == PROGRAM_FLAG_ROM) { ++ /* exit from the reset mode */ ++ ec_exit_reset_mode(); ++ } else { ++ /* ec exit from idle mode */ ++ ret = ec_exit_idle_mode(); ++ ec_enable_WDD(); ++ if (ret < 0) ++ return ret; ++ } ++ ++ return 0; ++} ++ ++/* ioctl */ ++static int misc_ioctl(struct inode *inode, struct file *filp, u_int cmd, ++ u_long arg) ++{ ++ struct ec_info ecinfo; ++ void __user *ptr = (void __user *)arg; ++ struct ec_reg *ecreg = (struct ec_reg *)(filp->private_data); ++ int ret = 0; ++ ++ switch (cmd) { ++ case IOCTL_RDREG: ++ ret = copy_from_user(ecreg, ptr, sizeof(struct ec_reg)); ++ if (ret) { ++ printk(KERN_ERR "reg read : copy from user error.\n"); ++ return -EFAULT; ++ } ++ if ((ecreg->addr > EC_MAX_REGADDR) ++ || (ecreg->addr < EC_MIN_REGADDR)) { ++ printk(KERN_ERR ++ "reg read : out of register address range.\n"); ++ return -EINVAL; ++ } ++ ecreg->val = ec_read(ecreg->addr); ++ ret = copy_to_user(ptr, ecreg, sizeof(struct ec_reg)); ++ if (ret) { ++ printk(KERN_ERR "reg read : copy to user error.\n"); ++ return -EFAULT; ++ } ++ break; ++ case IOCTL_WRREG: ++ ret = copy_from_user(ecreg, ptr, sizeof(struct ec_reg)); ++ if (ret) { ++ printk(KERN_ERR "reg write : copy from user error.\n"); ++ return -EFAULT; ++ } ++ if ((ecreg->addr > EC_MAX_REGADDR) ++ || (ecreg->addr < EC_MIN_REGADDR)) { ++ printk(KERN_ERR ++ "reg write : out of register address range.\n"); ++ return -EINVAL; ++ } ++ ec_write(ecreg->addr, ecreg->val); ++ break; ++ case IOCTL_READ_EC: ++ ret = copy_from_user(ecreg, ptr, sizeof(struct ec_reg)); ++ if (ret) { ++ printk(KERN_ERR "spi read : copy from user error.\n"); ++ return -EFAULT; ++ } ++ if ((ecreg->addr > EC_RAM_ADDR) ++ && (ecreg->addr < EC_MAX_REGADDR)) { ++ printk(KERN_ERR ++ "spi read : out of register address range.\n"); ++ return -EINVAL; ++ } ++ ec_read_byte(ecreg->addr, &(ecreg->val)); ++ ret = copy_to_user(ptr, ecreg, sizeof(struct ec_reg)); ++ if (ret) { ++ printk(KERN_ERR "spi read : copy to user error.\n"); ++ return -EFAULT; ++ } ++ break; ++ case IOCTL_PROGRAM_IE: ++ ecinfo.start_addr = EC_START_ADDR; ++ ecinfo.size = EC_CONTENT_MAX_SIZE; ++ ecinfo.buf = (u8 *) kmalloc(ecinfo.size, GFP_KERNEL); ++ if (ecinfo.buf == NULL) { ++ printk(KERN_ERR "program ie : kmalloc failed.\n"); ++ return -ENOMEM; ++ } ++ ret = copy_from_user(ecinfo.buf, (u8 *) ptr, ecinfo.size); ++ if (ret) { ++ printk(KERN_ERR "program ie : copy from user error.\n"); ++ kfree(ecinfo.buf); ++ ecinfo.buf = NULL; ++ return -EFAULT; ++ } ++ ++ /* use ec_program_rom to write serial No */ ++ ec_program_rom(&ecinfo, PROGRAM_FLAG_IE); ++ ++ kfree(ecinfo.buf); ++ ecinfo.buf = NULL; ++ break; ++ case IOCTL_PROGRAM_EC: ++ ecinfo.start_addr = EC_START_ADDR; ++ if (get_user((ecinfo.size), (u32 *) ptr)) { ++ printk(KERN_ERR "program ec : get user error.\n"); ++ return -EFAULT; ++ } ++ if ((ecinfo.size) > EC_CONTENT_MAX_SIZE) { ++ printk(KERN_ERR "program ec : size out of limited.\n"); ++ return -EINVAL; ++ } ++ ecinfo.buf = (u8 *) kmalloc(ecinfo.size, GFP_KERNEL); ++ if (ecinfo.buf == NULL) { ++ printk(KERN_ERR "program ec : kmalloc failed.\n"); ++ return -ENOMEM; ++ } ++ ret = copy_from_user(ecinfo.buf, ((u8 *) ptr + 4), ecinfo.size); ++ if (ret) { ++ printk(KERN_ERR "program ec : copy from user error.\n"); ++ kfree(ecinfo.buf); ++ ecinfo.buf = NULL; ++ return -EFAULT; ++ } ++ ++ ec_program_rom(&ecinfo, PROGRAM_FLAG_ROM); ++ ++ kfree(ecinfo.buf); ++ ecinfo.buf = NULL; ++ break; ++ ++ default: ++ break; ++ } ++ ++ return 0; ++} ++ ++static long misc_compat_ioctl(struct file *file, unsigned int cmd, ++ unsigned long arg) ++{ ++ return misc_ioctl(file->f_dentry->d_inode, file, cmd, arg); ++} ++ ++static int misc_open(struct inode *inode, struct file *filp) ++{ ++ struct ec_reg *ecreg = NULL; ++ ecreg = kmalloc(sizeof(struct ec_reg), GFP_KERNEL); ++ if (ecreg) ++ filp->private_data = ecreg; ++ ++ return ecreg ? 0 : -ENOMEM; ++} ++ ++static int misc_release(struct inode *inode, struct file *filp) ++{ ++ struct ec_reg *ecreg = (struct ec_reg *)(filp->private_data); ++ ++ filp->private_data = NULL; ++ kfree(ecreg); ++ ++ return 0; ++} ++ ++static const struct file_operations ecmisc_fops = { ++ .open = misc_open, ++ .release = misc_release, ++ .read = NULL, ++ .write = NULL, ++#ifdef CONFIG_64BIT ++ .compat_ioctl = misc_compat_ioctl, ++#else ++ .ioctl = misc_ioctl, ++#endif ++}; ++ ++static struct miscdevice ecmisc_device = { ++ .minor = MISC_DYNAMIC_MINOR, ++ .name = EC_MISC_DEV, ++ .fops = &ecmisc_fops ++}; ++ ++static int __init ecmisc_init(void) ++{ ++ int ret; ++ ++ printk(KERN_INFO "EC misc device init.\n"); ++ ret = misc_register(&ecmisc_device); ++ ++ return ret; ++} ++ ++static void __exit ecmisc_exit(void) ++{ ++ printk(KERN_INFO "EC misc device exit.\n"); ++ misc_deregister(&ecmisc_device); ++} ++ ++module_init(ecmisc_init); ++module_exit(ecmisc_exit); ++ ++MODULE_AUTHOR("liujl "); ++MODULE_DESCRIPTION("Driver for flushing/dumping ROM of EC on YeeLoong laptop"); ++MODULE_LICENSE("GPL"); +diff --git a/drivers/platform/mips/yeeloong_laptop.c b/drivers/platform/mips/yeeloong_laptop.c +new file mode 100644 +index 0000000..c285a67 +--- /dev/null ++++ b/drivers/platform/mips/yeeloong_laptop.c +@@ -0,0 +1,1360 @@ ++/* ++ * Driver for YeeLoong laptop extras ++ * ++ * Copyright (C) 2009 Lemote Inc. ++ * Author: Wu Zhangjin , Liu Junliang ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include ++#include ++#include ++#include /* for backlight subdriver */ ++#include ++#include /* for hwmon subdriver */ ++#include ++#include /* for video output subdriver */ ++#include /* for lcd output subdriver */ ++#include /* for hotkey subdriver */ ++#include ++#include ++#include ++#include /* for AC & Battery subdriver */ ++#include /* for register_reboot_notifier */ ++#include /* for register_pm_notifier */ ++ ++#include ++ ++#include /* for loongson_cmdline */ ++#include ++ ++#define ON 1 ++#define OFF 0 ++#define EVENT_START EVENT_LID ++ ++/* common function */ ++#define EC_VER_LEN 64 ++ ++static int ec_version_before(char *version) ++{ ++ char *p, ec_ver[EC_VER_LEN]; ++ ++ p = strstr(loongson_cmdline, "EC_VER="); ++ if (!p) ++ memset(ec_ver, 0, EC_VER_LEN); ++ else { ++ strncpy(ec_ver, p, EC_VER_LEN); ++ p = strstr(ec_ver, " "); ++ if (p) ++ *p = '\0'; ++ } ++ ++ return (strncasecmp(ec_ver, version, 64) < 0); ++} ++ ++/* backlight subdriver */ ++#define MIN_BRIGHTNESS 1 ++#define MAX_BRIGHTNESS 8 ++ ++static int yeeloong_set_brightness(struct backlight_device *bd) ++{ ++ unsigned char level; ++ static unsigned char old_level; ++ ++ level = (bd->props.fb_blank == FB_BLANK_UNBLANK && ++ bd->props.power == FB_BLANK_UNBLANK) ? ++ bd->props.brightness : 0; ++ ++ level = clamp_val(level, MIN_BRIGHTNESS, MAX_BRIGHTNESS); ++ ++ /* Avoid to modify the brightness when EC is tuning it */ ++ if (old_level != level) { ++ if (ec_read(REG_DISPLAY_BRIGHTNESS) == old_level) ++ ec_write(REG_DISPLAY_BRIGHTNESS, level); ++ old_level = level; ++ } ++ ++ return 0; ++} ++ ++static int yeeloong_get_brightness(struct backlight_device *bd) ++{ ++ return ec_read(REG_DISPLAY_BRIGHTNESS); ++} ++ ++static struct backlight_ops backlight_ops = { ++ .get_brightness = yeeloong_get_brightness, ++ .update_status = yeeloong_set_brightness, ++}; ++ ++static struct backlight_device *yeeloong_backlight_dev; ++ ++static int yeeloong_backlight_init(void) ++{ ++ int ret; ++ struct backlight_properties props; ++ ++ memset(&props, 0, sizeof(struct backlight_properties)); ++ props.max_brightness = MAX_BRIGHTNESS; ++ props.type = BACKLIGHT_PLATFORM; ++ yeeloong_backlight_dev = backlight_device_register("backlight0", NULL, ++ NULL, &backlight_ops, &props); ++ ++ if (IS_ERR(yeeloong_backlight_dev)) { ++ ret = PTR_ERR(yeeloong_backlight_dev); ++ yeeloong_backlight_dev = NULL; ++ return ret; ++ } ++ ++ yeeloong_backlight_dev->props.brightness = ++ yeeloong_get_brightness(yeeloong_backlight_dev); ++ backlight_update_status(yeeloong_backlight_dev); ++ ++ return 0; ++} ++ ++static void yeeloong_backlight_exit(void) ++{ ++ if (yeeloong_backlight_dev) { ++ backlight_device_unregister(yeeloong_backlight_dev); ++ yeeloong_backlight_dev = NULL; ++ } ++} ++ ++/* AC & Battery subdriver */ ++ ++static struct power_supply yeeloong_ac, yeeloong_bat; ++ ++#define RET (val->intval) ++ ++#define BAT_CAP_CRITICAL 5 ++#define BAT_CAP_HIGH 95 ++ ++#define get_bat(type) \ ++ ec_read(REG_BAT_##type) ++ ++#define get_bat_l(type) \ ++ ((get_bat(type##_HIGH) << 8) | get_bat(type##_LOW)) ++ ++static int yeeloong_get_ac_props(struct power_supply *psy, ++ enum power_supply_property psp, ++ union power_supply_propval *val) ++{ ++ if (psp == POWER_SUPPLY_PROP_ONLINE) ++ RET = !!(get_bat(POWER) & BIT_BAT_POWER_ACIN); ++ ++ return 0; ++} ++ ++static enum power_supply_property yeeloong_ac_props[] = { ++ POWER_SUPPLY_PROP_ONLINE, ++}; ++ ++static struct power_supply yeeloong_ac = { ++ .name = "yeeloong-ac", ++ .type = POWER_SUPPLY_TYPE_MAINS, ++ .properties = yeeloong_ac_props, ++ .num_properties = ARRAY_SIZE(yeeloong_ac_props), ++ .get_property = yeeloong_get_ac_props, ++}; ++ ++static inline bool is_bat_in(void) ++{ ++ return !!(get_bat(STATUS) & BIT_BAT_STATUS_IN); ++} ++ ++static int get_bat_temp(void) ++{ ++ return get_bat_l(TEMPERATURE) * 10; ++} ++ ++static int get_bat_current(void) ++{ ++ return -(s16)get_bat_l(CURRENT); ++} ++ ++static int get_bat_voltage(void) ++{ ++ return get_bat_l(VOLTAGE); ++} ++ ++static char *get_manufacturer(void) ++{ ++ return (get_bat(VENDOR) == FLAG_BAT_VENDOR_SANYO) ? "SANYO" : "SIMPLO"; ++} ++ ++static int get_relative_cap(void) ++{ ++ /* ++ * When the relative capacity becomes 2, the hardware is observed to ++ * have been turned off forcely. so, we must tune it be suitable to ++ * make the software do related actions. ++ */ ++ int tmp = get_bat_l(RELATIVE_CAP); ++ ++ if (tmp <= (BAT_CAP_CRITICAL * 2)) ++ tmp -= 3; ++ ++ return tmp; ++} ++ ++static int yeeloong_get_bat_props(struct power_supply *psy, ++ enum power_supply_property psp, ++ union power_supply_propval *val) ++{ ++ switch (psp) { ++ /* Fixed information */ ++ case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: ++ /* mV -> µV */ ++ RET = get_bat_l(DESIGN_VOL) * 1000; ++ break; ++ case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: ++ /* mAh->µAh */ ++ RET = get_bat_l(DESIGN_CAP) * 1000; ++ break; ++ case POWER_SUPPLY_PROP_CHARGE_FULL: ++ /* µAh */ ++ RET = get_bat_l(FULLCHG_CAP) * 1000; ++ break; ++ case POWER_SUPPLY_PROP_MANUFACTURER: ++ val->strval = get_manufacturer(); ++ break; ++ /* Dynamic information */ ++ case POWER_SUPPLY_PROP_PRESENT: ++ RET = is_bat_in(); ++ break; ++ case POWER_SUPPLY_PROP_CURRENT_NOW: ++ /* mA -> µA */ ++ RET = is_bat_in() ? get_bat_current() * 1000 : 0; ++ break; ++ case POWER_SUPPLY_PROP_VOLTAGE_NOW: ++ /* mV -> µV */ ++ RET = is_bat_in() ? get_bat_voltage() * 1000 : 0; ++ break; ++ case POWER_SUPPLY_PROP_TEMP: ++ /* Celcius */ ++ RET = is_bat_in() ? get_bat_temp() : 0; ++ break; ++ case POWER_SUPPLY_PROP_CAPACITY: ++ RET = is_bat_in() ? get_relative_cap() : 0; ++ break; ++ case POWER_SUPPLY_PROP_CAPACITY_LEVEL: { ++ int status; ++ ++ if (!is_bat_in()) { ++ RET = POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN; ++ break; ++ } ++ ++ status = get_bat(STATUS); ++ RET = POWER_SUPPLY_CAPACITY_LEVEL_NORMAL; ++ ++ if (unlikely(status & BIT_BAT_STATUS_DESTROY)) { ++ RET = POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN; ++ break; ++ } ++ ++ if (status & BIT_BAT_STATUS_FULL) ++ RET = POWER_SUPPLY_CAPACITY_LEVEL_FULL; ++ else { ++ int curr_cap = get_relative_cap(); ++ ++ if (status & BIT_BAT_STATUS_LOW) { ++ RET = POWER_SUPPLY_CAPACITY_LEVEL_LOW; ++ if (curr_cap <= BAT_CAP_CRITICAL) ++ RET = POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL; ++ } else if (curr_cap >= BAT_CAP_HIGH) ++ RET = POWER_SUPPLY_CAPACITY_LEVEL_HIGH; ++ } ++ } break; ++ case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW: ++ /* seconds */ ++ RET = is_bat_in() ? (get_relative_cap() - 3) * 54 + 142 : 0; ++ break; ++ case POWER_SUPPLY_PROP_STATUS: { ++ int charge = get_bat(CHARGE); ++ ++ RET = POWER_SUPPLY_STATUS_UNKNOWN; ++ if (charge & FLAG_BAT_CHARGE_DISCHARGE) ++ RET = POWER_SUPPLY_STATUS_DISCHARGING; ++ else if (charge & FLAG_BAT_CHARGE_CHARGE) ++ RET = POWER_SUPPLY_STATUS_CHARGING; ++ } break; ++ case POWER_SUPPLY_PROP_HEALTH: { ++ int status; ++ ++ if (!is_bat_in()) { ++ RET = POWER_SUPPLY_HEALTH_UNKNOWN; ++ break; ++ } ++ ++ status = get_bat(STATUS); ++ RET = POWER_SUPPLY_HEALTH_GOOD; ++ ++ if (status & (BIT_BAT_STATUS_DESTROY | ++ BIT_BAT_STATUS_LOW)) ++ RET = POWER_SUPPLY_HEALTH_DEAD; ++ if (get_bat(CHARGE_STATUS) & ++ BIT_BAT_CHARGE_STATUS_OVERTEMP) ++ RET = POWER_SUPPLY_HEALTH_OVERHEAT; ++ } break; ++ case POWER_SUPPLY_PROP_CHARGE_NOW: /* 1/100(%)*1000 µAh */ ++ RET = get_relative_cap() * get_bat_l(FULLCHG_CAP) * 10; ++ break; ++ default: ++ return -EINVAL; ++ } ++ return 0; ++} ++#undef RET ++ ++static enum power_supply_property yeeloong_bat_props[] = { ++ POWER_SUPPLY_PROP_STATUS, ++ POWER_SUPPLY_PROP_PRESENT, ++ POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, ++ POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, ++ POWER_SUPPLY_PROP_CHARGE_FULL, ++ POWER_SUPPLY_PROP_CHARGE_NOW, ++ POWER_SUPPLY_PROP_CURRENT_NOW, ++ POWER_SUPPLY_PROP_VOLTAGE_NOW, ++ POWER_SUPPLY_PROP_HEALTH, ++ POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW, ++ POWER_SUPPLY_PROP_CAPACITY, ++ POWER_SUPPLY_PROP_CAPACITY_LEVEL, ++ POWER_SUPPLY_PROP_TEMP, ++ POWER_SUPPLY_PROP_MANUFACTURER, ++}; ++ ++static struct power_supply yeeloong_bat = { ++ .name = "yeeloong-bat", ++ .type = POWER_SUPPLY_TYPE_BATTERY, ++ .properties = yeeloong_bat_props, ++ .num_properties = ARRAY_SIZE(yeeloong_bat_props), ++ .get_property = yeeloong_get_bat_props, ++}; ++ ++static int ac_bat_initialized; ++ ++static int yeeloong_bat_init(void) ++{ ++ int ret; ++ ++ ret = power_supply_register(NULL, &yeeloong_ac); ++ if (ret) ++ return ret; ++ ret = power_supply_register(NULL, &yeeloong_bat); ++ if (ret) { ++ power_supply_unregister(&yeeloong_ac); ++ return ret; ++ } ++ ac_bat_initialized = 1; ++ ++ return 0; ++} ++ ++static void yeeloong_bat_exit(void) ++{ ++ ac_bat_initialized = 0; ++ ++ power_supply_unregister(&yeeloong_ac); ++ power_supply_unregister(&yeeloong_bat); ++} ++/* hwmon subdriver */ ++ ++#define MIN_FAN_SPEED 0 ++#define MAX_FAN_SPEED 3 ++ ++#define get_fan(type) \ ++ ec_read(REG_FAN_##type) ++ ++#define set_fan(type, val) \ ++ ec_write(REG_FAN_##type, val) ++ ++static inline int get_fan_speed_level(void) ++{ ++ return get_fan(SPEED_LEVEL); ++} ++static inline void set_fan_speed_level(int speed) ++{ ++ set_fan(SPEED_LEVEL, speed); ++} ++ ++static inline int get_fan_mode(void) ++{ ++ return get_fan(AUTO_MAN_SWITCH); ++} ++static inline void set_fan_mode(int mode) ++{ ++ set_fan(AUTO_MAN_SWITCH, mode); ++} ++ ++/* ++ * 3 different modes: Full speed(0); manual mode(1); auto mode(2) ++ */ ++static int get_fan_pwm_enable(void) ++{ ++ return (get_fan_mode() == BIT_FAN_AUTO) ? 2 : ++ (get_fan_speed_level() == MAX_FAN_SPEED) ? 0 : 1; ++} ++ ++static void set_fan_pwm_enable(int mode) ++{ ++ set_fan_mode((mode == 2) ? BIT_FAN_AUTO : BIT_FAN_MANUAL); ++ if (mode == 0) ++ set_fan_speed_level(MAX_FAN_SPEED); ++} ++ ++static int get_fan_pwm(void) ++{ ++ return get_fan_speed_level(); ++} ++ ++static void set_fan_pwm(int value) ++{ ++ if (get_fan_mode() != BIT_FAN_MANUAL) ++ return; ++ ++ value = clamp_val(value, MIN_FAN_SPEED, MAX_FAN_SPEED); ++ ++ /* We must ensure the fan is on */ ++ if (value > 0) ++ set_fan(CONTROL, ON); ++ ++ set_fan_speed_level(value); ++} ++ ++static inline int get_fan_speed(void) ++{ ++ return ((get_fan(SPEED_HIGH) & 0x0f) << 8) | get_fan(SPEED_LOW); ++} ++ ++static int get_fan_rpm(void) ++{ ++ return FAN_SPEED_DIVIDER / get_fan_speed(); ++} ++ ++static int get_cpu_temp(void) ++{ ++ return (s8)ec_read(REG_TEMPERATURE_VALUE) * 1000; ++} ++ ++static int get_cpu_temp_max(void) ++{ ++ return 60 * 1000; ++} ++ ++static int get_bat_temp_alarm(void) ++{ ++ return !!(get_bat(CHARGE_STATUS) & BIT_BAT_CHARGE_STATUS_OVERTEMP); ++} ++ ++static ssize_t store_sys_hwmon(void (*set) (int), const char *buf, size_t count) ++{ ++ int ret; ++ unsigned long value; ++ ++ if (!count) ++ return 0; ++ ++ ret = strict_strtoul(buf, 10, &value); ++ if (ret) ++ return ret; ++ ++ set(value); ++ ++ return count; ++} ++ ++static ssize_t show_sys_hwmon(int (*get) (void), char *buf) ++{ ++ return sprintf(buf, "%d\n", get()); ++} ++ ++#define CREATE_SENSOR_ATTR(_name, _mode, _set, _get) \ ++ static ssize_t show_##_name(struct device *dev, \ ++ struct device_attribute *attr, \ ++ char *buf) \ ++ { \ ++ return show_sys_hwmon(_set, buf); \ ++ } \ ++ static ssize_t store_##_name(struct device *dev, \ ++ struct device_attribute *attr, \ ++ const char *buf, size_t count) \ ++ { \ ++ return store_sys_hwmon(_get, buf, count); \ ++ } \ ++ static SENSOR_DEVICE_ATTR(_name, _mode, show_##_name, store_##_name, 0); ++ ++CREATE_SENSOR_ATTR(fan1_input, S_IRUGO, get_fan_rpm, NULL); ++CREATE_SENSOR_ATTR(pwm1, S_IRUGO | S_IWUSR, get_fan_pwm, set_fan_pwm); ++CREATE_SENSOR_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, get_fan_pwm_enable, ++ set_fan_pwm_enable); ++CREATE_SENSOR_ATTR(temp1_input, S_IRUGO, get_cpu_temp, NULL); ++CREATE_SENSOR_ATTR(temp1_max, S_IRUGO, get_cpu_temp_max, NULL); ++CREATE_SENSOR_ATTR(temp2_input, S_IRUGO, get_bat_temp, NULL); ++CREATE_SENSOR_ATTR(temp2_max_alarm, S_IRUGO, get_bat_temp_alarm, NULL); ++CREATE_SENSOR_ATTR(curr1_input, S_IRUGO, get_bat_current, NULL); ++CREATE_SENSOR_ATTR(in1_input, S_IRUGO, get_bat_voltage, NULL); ++ ++static ssize_t ++show_name(struct device *dev, struct device_attribute *attr, char *buf) ++{ ++ return sprintf(buf, "yeeloong\n"); ++} ++ ++static SENSOR_DEVICE_ATTR(name, S_IRUGO, show_name, NULL, 0); ++ ++static struct attribute *hwmon_attributes[] = { ++ &sensor_dev_attr_pwm1.dev_attr.attr, ++ &sensor_dev_attr_pwm1_enable.dev_attr.attr, ++ &sensor_dev_attr_fan1_input.dev_attr.attr, ++ &sensor_dev_attr_temp1_input.dev_attr.attr, ++ &sensor_dev_attr_temp1_max.dev_attr.attr, ++ &sensor_dev_attr_temp2_input.dev_attr.attr, ++ &sensor_dev_attr_temp2_max_alarm.dev_attr.attr, ++ &sensor_dev_attr_curr1_input.dev_attr.attr, ++ &sensor_dev_attr_in1_input.dev_attr.attr, ++ &sensor_dev_attr_name.dev_attr.attr, ++ NULL ++}; ++ ++static struct attribute_group hwmon_attribute_group = { ++ .attrs = hwmon_attributes ++}; ++ ++static struct device *yeeloong_hwmon_dev; ++ ++static int yeeloong_hwmon_init(void) ++{ ++ int ret; ++ ++ yeeloong_hwmon_dev = hwmon_device_register(NULL); ++ if (IS_ERR(yeeloong_hwmon_dev)) { ++ yeeloong_hwmon_dev = NULL; ++ return PTR_ERR(yeeloong_hwmon_dev); ++ } ++ ret = sysfs_create_group(&yeeloong_hwmon_dev->kobj, ++ &hwmon_attribute_group); ++ if (ret) { ++ hwmon_device_unregister(yeeloong_hwmon_dev); ++ yeeloong_hwmon_dev = NULL; ++ return ret; ++ } ++ /* ensure fan is set to auto mode */ ++ set_fan_pwm_enable(2); ++ ++ return 0; ++} ++ ++static void yeeloong_hwmon_exit(void) ++{ ++ if (yeeloong_hwmon_dev) { ++ sysfs_remove_group(&yeeloong_hwmon_dev->kobj, ++ &hwmon_attribute_group); ++ hwmon_device_unregister(yeeloong_hwmon_dev); ++ yeeloong_hwmon_dev = NULL; ++ } ++} ++ ++/* video output subdriver */ ++ ++#define LCD 0 ++#define CRT 1 ++#define VOD_NUM 2 /* The total number of video output device*/ ++ ++static struct output_device *vod[VOD_NUM]; ++ ++static int vor[] = {REG_DISPLAY_LCD, REG_CRT_DETECT}; ++ ++static int get_vo_dev(struct output_device *od) ++{ ++ int i, dev; ++ ++ dev = -1; ++ for (i = 0; i < VOD_NUM; i++) ++ if (od == vod[i]) ++ dev = i; ++ ++ return dev; ++} ++ ++static int vo_get_status(int dev) ++{ ++ return ec_read(vor[dev]); ++} ++ ++static int yeeloong_vo_get_status(struct output_device *od) ++{ ++ int vd; ++ ++ vd = get_vo_dev(od); ++ if (vd != -1) ++ return vo_get_status(vd); ++ ++ return -ENODEV; ++} ++ ++static void vo_set_state(int dev, int state) ++{ ++ int addr; ++ unsigned long value; ++ ++ switch (dev) { ++ case LCD: ++ addr = 0x31; ++ break; ++ case CRT: ++ addr = 0x21; ++ break; ++ default: ++ /* return directly if the wrong video output device */ ++ return; ++ } ++ ++ outb(addr, 0x3c4); ++ value = inb(0x3c5); ++ ++ switch (dev) { ++ case LCD: ++ value |= (state ? 0x03 : 0x02); ++ break; ++ case CRT: ++ if (state) ++ clear_bit(7, &value); ++ else ++ set_bit(7, &value); ++ break; ++ default: ++ break; ++ } ++ ++ outb(addr, 0x3c4); ++ outb(value, 0x3c5); ++ ++ if (dev == LCD) ++ ec_write(REG_BACKLIGHT_CTRL, state); ++} ++ ++static int yeeloong_vo_set_state(struct output_device *od) ++{ ++ int vd; ++ ++ vd = get_vo_dev(od); ++ if (vd == -1) ++ return -ENODEV; ++ ++ if (vd == CRT && !vo_get_status(vd)) ++ return 0; ++ ++ vo_set_state(vd, !!od->request_state); ++ ++ return 0; ++} ++ ++static struct output_properties vop = { ++ .set_state = yeeloong_vo_set_state, ++ .get_status = yeeloong_vo_get_status, ++}; ++ ++static int yeeloong_vo_init(void) ++{ ++ int ret, i; ++ char dev_name[VOD_NUM][4] = {"LCD", "CRT"}; ++ ++ /* Register video output device: lcd, crt */ ++ for (i = 0; i < VOD_NUM; i++) { ++ vod[i] = video_output_register(dev_name[i], NULL, NULL, &vop); ++ if (IS_ERR(vod[i])) { ++ if (i != 0) ++ video_output_unregister(vod[i-1]); ++ ret = PTR_ERR(vod[i]); ++ vod[i] = NULL; ++ return ret; ++ } ++ } ++ /* Ensure LCD is on by default */ ++ vo_set_state(LCD, ON); ++ ++ /* ++ * Turn off CRT by default, and will be enabled when the CRT ++ * connectting event reported by SCI ++ */ ++ vo_set_state(CRT, OFF); ++ ++ return 0; ++} ++ ++static void yeeloong_vo_exit(void) ++{ ++ int i; ++ ++ for (i = 0; i < VOD_NUM; i++) { ++ if (vod[i]) { ++ video_output_unregister(vod[i]); ++ vod[i] = NULL; ++ } ++ } ++} ++ ++/* lcd subdriver */ ++ ++struct lcd_device *lcd[VOD_NUM]; ++ ++static int get_lcd_dev(struct lcd_device *ld) ++{ ++ int i, dev; ++ ++ dev = -1; ++ for (i = 0; i < VOD_NUM; i++) ++ if (ld == lcd[i]) ++ dev = i; ++ ++ return dev; ++} ++ ++static int yeeloong_lcd_set_power(struct lcd_device *ld, int power) ++{ ++ int dev = get_lcd_dev(ld); ++ ++ if (power == FB_BLANK_UNBLANK) ++ vo_set_state(dev, ON); ++ if (power == FB_BLANK_POWERDOWN) ++ vo_set_state(dev, OFF); ++ ++ return 0; ++} ++ ++static int yeeloong_lcd_get_power(struct lcd_device *ld) ++{ ++ return vo_get_status(get_lcd_dev(ld)); ++} ++ ++static struct lcd_ops lcd_ops = { ++ .set_power = yeeloong_lcd_set_power, ++ .get_power = yeeloong_lcd_get_power, ++}; ++ ++static int yeeloong_lcd_init(void) ++{ ++ int ret, i; ++ char dev_name[VOD_NUM][4] = {"LCD", "CRT"}; ++ ++ /* Register video output device: lcd, crt */ ++ for (i = 0; i < VOD_NUM; i++) { ++ lcd[i] = lcd_device_register(dev_name[i], NULL, NULL, &lcd_ops); ++ if (IS_ERR(lcd[i])) { ++ if (i != 0) ++ lcd_device_unregister(lcd[i-1]); ++ ret = PTR_ERR(lcd[i]); ++ lcd[i] = NULL; ++ return ret; ++ } ++ } ++#if 0 ++ /* This has been done by the vide output driver */ ++ ++ /* Ensure LCD is on by default */ ++ vo_set_state(LCD, ON); ++ ++ /* ++ * Turn off CRT by default, and will be enabled when the CRT ++ * connectting event reported by SCI ++ */ ++ vo_set_state(CRT, OFF); ++#endif ++ return 0; ++} ++ ++static void yeeloong_lcd_exit(void) ++{ ++ int i; ++ ++ for (i = 0; i < VOD_NUM; i++) { ++ if (lcd[i]) { ++ lcd_device_unregister(lcd[i]); ++ lcd[i] = NULL; ++ } ++ } ++} ++ ++/* hotkey subdriver */ ++ ++static struct input_dev *yeeloong_hotkey_dev; ++ ++static atomic_t reboot_flag, sleep_flag; ++#define in_sleep() (&sleep_flag) ++#define in_reboot() (&reboot_flag) ++ ++static const struct key_entry yeeloong_keymap[] = { ++ {KE_SW, EVENT_LID, { SW_LID } }, ++ {KE_KEY, EVENT_CAMERA, { KEY_CAMERA } }, /* Fn + ESC */ ++ {KE_KEY, EVENT_SLEEP, { KEY_SLEEP } }, /* Fn + F1 */ ++ {KE_KEY, EVENT_BLACK_SCREEN, { KEY_DISPLAYTOGGLE } }, /* Fn + F2 */ ++ {KE_KEY, EVENT_DISPLAY_TOGGLE, { KEY_SWITCHVIDEOMODE } }, /* Fn + F3 */ ++ {KE_KEY, EVENT_AUDIO_MUTE, { KEY_MUTE } }, /* Fn + F4 */ ++ {KE_KEY, EVENT_WLAN, { KEY_WLAN } }, /* Fn + F5 */ ++ {KE_KEY, EVENT_DISPLAY_BRIGHTNESS, { KEY_BRIGHTNESSUP } }, /* Fn + up */ ++ {KE_KEY, EVENT_DISPLAY_BRIGHTNESS, { KEY_BRIGHTNESSDOWN } }, /* Fn + down */ ++ {KE_KEY, EVENT_AUDIO_VOLUME, { KEY_VOLUMEUP } }, /* Fn + right */ ++ {KE_KEY, EVENT_AUDIO_VOLUME, { KEY_VOLUMEDOWN } }, /* Fn + left */ ++ {KE_END, 0} ++}; ++ ++static int is_fake_event(u16 keycode) ++{ ++ switch (keycode) { ++ case KEY_SLEEP: ++ case SW_LID: ++ return atomic_read(in_sleep()) | atomic_read(in_reboot()); ++ break; ++ default: ++ break; ++ } ++ return 0; ++} ++ ++static struct key_entry *get_event_key_entry(int event, int status) ++{ ++ struct key_entry *ke; ++ static int old_brightness_status = -1; ++ static int old_volume_status = -1; ++ ++ ke = sparse_keymap_entry_from_scancode(yeeloong_hotkey_dev, event); ++ if (!ke) ++ return NULL; ++ ++ switch (event) { ++ case EVENT_DISPLAY_BRIGHTNESS: ++ /* current status > old one, means up */ ++ if ((status < old_brightness_status) || (0 == status)) ++ ke++; ++ old_brightness_status = status; ++ break; ++ case EVENT_AUDIO_VOLUME: ++ if ((status < old_volume_status) || (0 == status)) ++ ke++; ++ old_volume_status = status; ++ break; ++ default: ++ break; ++ } ++ ++ return ke; ++} ++ ++static int report_lid_switch(int status) ++{ ++ static int old_status; ++ ++ /* ++ * LID is a switch button, so, two continuous same status should be ++ * ignored ++ */ ++ if (old_status != status) { ++ input_report_switch(yeeloong_hotkey_dev, SW_LID, !status); ++ input_sync(yeeloong_hotkey_dev); ++ } ++ old_status = status; ++ ++ return status; ++} ++ ++static int crt_detect_handler(int status) ++{ ++ /* ++ * When CRT is inserted, enable its output and disable the LCD output, ++ * otherwise, do reversely. ++ */ ++ vo_set_state(CRT, status); ++ vo_set_state(LCD, !status); ++ ++ return status; ++} ++ ++static int displaytoggle_handler(int status) ++{ ++ /* EC(>=PQ1D26) does this job for us, we can not do it again, ++ * otherwise, the brightness will not resume to the normal level! */ ++ if (ec_version_before("EC_VER=PQ1D26")) ++ vo_set_state(LCD, status); ++ ++ return status; ++} ++ ++static int mypow(int x, int y) ++{ ++ int i, j = x; ++ ++ for (i = 1; i < y; i++) ++ j *= j; ++ ++ return j; ++} ++ ++static int switchvideomode_handler(int status) ++{ ++ /* Default status: CRT|LCD = 0|1 = 1 */ ++ static int bin_state = 1; ++ int i; ++ ++ /* ++ * Only enable switch video output button ++ * when CRT is connected ++ */ ++ if (!vo_get_status(CRT)) ++ return 0; ++ /* ++ * 2. no CRT connected: LCD on, CRT off ++ * 3. BOTH on ++ * 0. BOTH off ++ * 1. LCD off, CRT on ++ */ ++ ++ bin_state++; ++ if (bin_state > mypow(2, VOD_NUM) - 1) ++ bin_state = 0; ++ ++ for (i = 0; i < VOD_NUM; i++) ++ vo_set_state(i, bin_state & (1 << i)); ++ ++ return bin_state; ++} ++ ++static int camera_handler(int status) ++{ ++ int value; ++ ++ value = ec_read(REG_CAMERA_CONTROL); ++ ec_write(REG_CAMERA_CONTROL, value | (1 << 1)); ++ ++ return status; ++} ++ ++static int usb2_handler(int status) ++{ ++ pr_emerg("USB2 Over Current occurred\n"); ++ ++ return status; ++} ++ ++static int usb0_handler(int status) ++{ ++ pr_emerg("USB0 Over Current occurred\n"); ++ ++ return status; ++} ++ ++static int ac_bat_handler(int status) ++{ ++ if (ac_bat_initialized) { ++ power_supply_changed(&yeeloong_ac); ++ power_supply_changed(&yeeloong_bat); ++ } ++ ++ return status; ++} ++ ++struct sci_event { ++ int reg; ++ sci_handler handler; ++}; ++ ++static const struct sci_event se[] = { ++ [EVENT_AC_BAT] = {0, ac_bat_handler}, ++ [EVENT_AUDIO_MUTE] = {REG_AUDIO_MUTE, NULL}, ++ [EVENT_AUDIO_VOLUME] = {REG_AUDIO_VOLUME, NULL}, ++ [EVENT_CRT_DETECT] = {REG_CRT_DETECT, crt_detect_handler}, ++ [EVENT_CAMERA] = {REG_CAMERA_STATUS, camera_handler}, ++ [EVENT_BLACK_SCREEN] = {REG_DISPLAY_LCD, displaytoggle_handler}, ++ [EVENT_DISPLAY_BRIGHTNESS] = {REG_DISPLAY_BRIGHTNESS, NULL}, ++ [EVENT_LID] = {REG_LID_DETECT, NULL}, ++ [EVENT_DISPLAY_TOGGLE] = {0, switchvideomode_handler}, ++ [EVENT_USB_OC0] = {REG_USB2_FLAG, usb0_handler}, ++ [EVENT_USB_OC2] = {REG_USB2_FLAG, usb2_handler}, ++ [EVENT_WLAN] = {REG_WLAN, NULL}, ++}; ++ ++static void do_event_action(int event) ++{ ++ int status = -1; ++ struct key_entry *ke; ++ struct sci_event *sep; ++ ++ sep = (struct sci_event *)&se[event]; ++ ++ if (sep->reg != 0) ++ status = ec_read(sep->reg); ++ ++ if (status == -1) { ++ /* ec_read hasn't been called, status is invalid */ ++ return; ++ } ++ ++ if (sep->handler != NULL) ++ status = sep->handler(status); ++ ++ pr_debug("%s: event: %d status: %d\n", __func__, event, status); ++ ++ /* Report current key to user-space */ ++ ke = get_event_key_entry(event, status); ++ ++ /* ++ * Ignore the LID and SLEEP event when we are already in sleep or ++ * reboot state, this will avoid the recursive pm operations. but note: ++ * the report_lid_switch() called in arch/mips/loongson/lemote-2f/pm.c ++ * is necessary, because it is used to wake the system from sleep ++ * state. In the future, perhaps SW_LID should works like SLEEP, no ++ * need to function as a SWITCH, just report the state when the LID is ++ * closed is enough, this event can tell the software to "SLEEP", no ++ * need to tell the softwares when we are resuming from "SLEEP". ++ */ ++ if (ke && !is_fake_event(ke->keycode)) { ++ if (ke->keycode == SW_LID) ++ report_lid_switch(status); ++ else ++ sparse_keymap_report_entry(yeeloong_hotkey_dev, ke, 1, ++ true); ++ } ++} ++ ++/* ++ * SCI(system control interrupt) main interrupt routine ++ * ++ * We will do the query and get event number together so the interrupt routine ++ * should be longer than 120us now at least 3ms elpase for it. ++ */ ++static irqreturn_t sci_irq_handler(int irq, void *dev_id) ++{ ++ int ret, event; ++ ++ if (SCI_IRQ_NUM != irq) ++ return IRQ_NONE; ++ ++ /* Query the event number */ ++ ret = ec_query_event_num(); ++ if (ret < 0) ++ return IRQ_NONE; ++ ++ event = ec_get_event_num(); ++ if (event < EVENT_START || event > EVENT_END) ++ return IRQ_NONE; ++ ++ /* Execute corresponding actions */ ++ do_event_action(event); ++ ++ return IRQ_HANDLED; ++} ++ ++/* ++ * Config and init some msr and gpio register properly. ++ */ ++static int sci_irq_init(void) ++{ ++ u32 hi, lo; ++ u32 gpio_base; ++ unsigned long flags; ++ int ret; ++ ++ /* Get gpio base */ ++ _rdmsr(DIVIL_MSR_REG(DIVIL_LBAR_GPIO), &hi, &lo); ++ gpio_base = lo & 0xff00; ++ ++ /* Filter the former kb3310 interrupt for security */ ++ ret = ec_query_event_num(); ++ if (ret) ++ return ret; ++ ++ /* For filtering next number interrupt */ ++ udelay(10000); ++ ++ /* Set gpio native registers and msrs for GPIO27 SCI EVENT PIN ++ * gpio : ++ * input, pull-up, no-invert, event-count and value 0, ++ * no-filter, no edge mode ++ * gpio27 map to Virtual gpio0 ++ * msr : ++ * no primary and lpc ++ * Unrestricted Z input to IG10 from Virtual gpio 0. ++ */ ++ local_irq_save(flags); ++ _rdmsr(0x80000024, &hi, &lo); ++ lo &= ~(1 << 10); ++ _wrmsr(0x80000024, hi, lo); ++ _rdmsr(0x80000025, &hi, &lo); ++ lo &= ~(1 << 10); ++ _wrmsr(0x80000025, hi, lo); ++ _rdmsr(0x80000023, &hi, &lo); ++ lo |= (0x0a << 0); ++ _wrmsr(0x80000023, hi, lo); ++ local_irq_restore(flags); ++ ++ /* Set gpio27 as sci interrupt ++ * ++ * input, pull-up, no-fliter, no-negedge, invert ++ * the sci event is just about 120us ++ */ ++ asm(".set noreorder\n"); ++ /* input enable */ ++ outl(0x00000800, (gpio_base | 0xA0)); ++ /* revert the input */ ++ outl(0x00000800, (gpio_base | 0xA4)); ++ /* event-int enable */ ++ outl(0x00000800, (gpio_base | 0xB8)); ++ asm(".set reorder\n"); ++ ++ return 0; ++} ++ ++static int notify_reboot(struct notifier_block *nb, unsigned long event, void *buf) ++{ ++ switch (event) { ++ case SYS_RESTART: ++ case SYS_HALT: ++ case SYS_POWER_OFF: ++ atomic_set(in_reboot(), 1); ++ break; ++ default: ++ return NOTIFY_DONE; ++ } ++ ++ return NOTIFY_OK; ++} ++ ++static int notify_pm(struct notifier_block *nb, unsigned long event, void *buf) ++{ ++ switch (event) { ++ case PM_HIBERNATION_PREPARE: ++ case PM_SUSPEND_PREPARE: ++ atomic_inc(in_sleep()); ++ break; ++ case PM_POST_HIBERNATION: ++ case PM_POST_SUSPEND: ++ case PM_RESTORE_PREPARE: /* do we need this ?? */ ++ atomic_dec(in_sleep()); ++ break; ++ default: ++ return NOTIFY_DONE; ++ } ++ ++ pr_debug("%s: event = %lu, in_sleep() = %d\n", __func__, event, ++ atomic_read(in_sleep())); ++ ++ return NOTIFY_OK; ++} ++ ++static struct notifier_block reboot_notifier = { ++ .notifier_call = notify_reboot, ++}; ++ ++static struct notifier_block pm_notifier = { ++ .notifier_call = notify_pm, ++}; ++ ++static int yeeloong_hotkey_init(void) ++{ ++ int ret = 0; ++ ++ ret = register_reboot_notifier(&reboot_notifier); ++ if (ret) { ++ pr_err("Can't register reboot notifier\n"); ++ goto end; ++ } ++ ++ ret = register_pm_notifier(&pm_notifier); ++ if (ret) { ++ pr_err("Can't register pm notifier\n"); ++ goto free_reboot_notifier; ++ } ++ ++ ret = sci_irq_init(); ++ if (ret) { ++ pr_err("Can't init SCI interrupt\n"); ++ goto free_pm_notifier; ++ } ++ ++ ret = request_threaded_irq(SCI_IRQ_NUM, NULL, &sci_irq_handler, ++ IRQF_ONESHOT, "sci", NULL); ++ if (ret) { ++ pr_err("Can't thread SCI interrupt handler\n"); ++ goto free_pm_notifier; ++ } ++ ++ yeeloong_hotkey_dev = input_allocate_device(); ++ ++ if (!yeeloong_hotkey_dev) { ++ ret = -ENOMEM; ++ goto free_irq; ++ } ++ ++ yeeloong_hotkey_dev->name = "HotKeys"; ++ yeeloong_hotkey_dev->phys = "button/input0"; ++ yeeloong_hotkey_dev->id.bustype = BUS_HOST; ++ yeeloong_hotkey_dev->dev.parent = NULL; ++ ++ ret = sparse_keymap_setup(yeeloong_hotkey_dev, yeeloong_keymap, NULL); ++ if (ret) { ++ pr_err("Failed to setup input device keymap\n"); ++ goto free_dev; ++ } ++ ++ ret = input_register_device(yeeloong_hotkey_dev); ++ if (ret) ++ goto free_keymap; ++ ++ /* Update the current status of LID */ ++ report_lid_switch(ON); ++ ++#ifdef CONFIG_LOONGSON_SUSPEND ++ /* Install the real yeeloong_report_lid_status for pm.c */ ++ yeeloong_report_lid_status = report_lid_switch; ++#endif ++ return 0; ++ ++free_keymap: ++ sparse_keymap_free(yeeloong_hotkey_dev); ++free_dev: ++ input_free_device(yeeloong_hotkey_dev); ++free_irq: ++ free_irq(SCI_IRQ_NUM, NULL); ++free_pm_notifier: ++ unregister_pm_notifier(&pm_notifier); ++free_reboot_notifier: ++ unregister_reboot_notifier(&reboot_notifier); ++end: ++ return ret; ++} ++ ++static void yeeloong_hotkey_exit(void) ++{ ++ /* Free irq */ ++ free_irq(SCI_IRQ_NUM, NULL); ++ ++#ifdef CONFIG_LOONGSON_SUSPEND ++ /* Uninstall yeeloong_report_lid_status for pm.c */ ++ if (yeeloong_report_lid_status == report_lid_switch) ++ yeeloong_report_lid_status = NULL; ++#endif ++ ++ if (yeeloong_hotkey_dev) { ++ sparse_keymap_free(yeeloong_hotkey_dev); ++ input_unregister_device(yeeloong_hotkey_dev); ++ yeeloong_hotkey_dev = NULL; ++ } ++} ++ ++#ifdef CONFIG_PM ++static void usb_ports_set(int status) ++{ ++ status = !!status; ++ ++ ec_write(REG_USB0_FLAG, status); ++ ec_write(REG_USB1_FLAG, status); ++ ec_write(REG_USB2_FLAG, status); ++} ++ ++static int yeeloong_suspend(struct device *dev) ++ ++{ ++ if (ec_version_before("EC_VER=PQ1D27")) ++ vo_set_state(LCD, OFF); ++ vo_set_state(CRT, OFF); ++ usb_ports_set(OFF); ++ ++ return 0; ++} ++ ++static int yeeloong_resume(struct device *dev) ++{ ++ int ret; ++ ++ if (ec_version_before("EC_VER=PQ1D27")) ++ vo_set_state(LCD, ON); ++ vo_set_state(CRT, ON); ++ usb_ports_set(ON); ++ ++ ret = sci_irq_init(); ++ if (ret) ++ return -EFAULT; ++ ++ return 0; ++} ++ ++static const SIMPLE_DEV_PM_OPS(yeeloong_pm_ops, yeeloong_suspend, ++ yeeloong_resume); ++#endif ++ ++static struct platform_device_id platform_device_ids[] = { ++ { ++ .name = "yeeloong_laptop", ++ }, ++ {} ++}; ++ ++MODULE_DEVICE_TABLE(platform, platform_device_ids); ++ ++static struct platform_driver platform_driver = { ++ .driver = { ++ .name = "yeeloong_laptop", ++ .owner = THIS_MODULE, ++#ifdef CONFIG_PM ++ .pm = &yeeloong_pm_ops, ++#endif ++ }, ++ .id_table = platform_device_ids, ++}; ++ ++static int __init yeeloong_init(void) ++{ ++ int ret; ++ ++ pr_info("YeeLoong Laptop platform specific driver loaded.\n"); ++ ++ /* Register platform stuff */ ++ ret = platform_driver_register(&platform_driver); ++ if (ret) { ++ pr_err("Failed to register YeeLoong platform driver.\n"); ++ return ret; ++ } ++ ++#define yeeloong_init_drv(drv, alias) do { \ ++ pr_info("Registered YeeLoong " alias " driver.\n"); \ ++ ret = yeeloong_ ## drv ## _init(); \ ++ if (ret) { \ ++ pr_err("Failed to register YeeLoong " alias " driver.\n"); \ ++ yeeloong_ ## drv ## _exit(); \ ++ return ret; \ ++ } \ ++} while (0) ++ ++ yeeloong_init_drv(backlight, "backlight"); ++ yeeloong_init_drv(bat, "battery and AC"); ++ yeeloong_init_drv(hwmon, "hardware monitor"); ++ yeeloong_init_drv(vo, "video output"); ++ yeeloong_init_drv(lcd, "lcd output"); ++ yeeloong_init_drv(hotkey, "hotkey input"); ++ ++ return 0; ++} ++ ++static void __exit yeeloong_exit(void) ++{ ++ yeeloong_hotkey_exit(); ++ yeeloong_lcd_exit(); ++ yeeloong_vo_exit(); ++ yeeloong_hwmon_exit(); ++ yeeloong_bat_exit(); ++ yeeloong_backlight_exit(); ++ platform_driver_unregister(&platform_driver); ++ ++ pr_info("YeeLoong platform specific driver unloaded.\n"); ++} ++ ++module_init(yeeloong_init); ++module_exit(yeeloong_exit); ++ ++MODULE_AUTHOR("Wu Zhangjin ; Liu Junliang "); ++MODULE_DESCRIPTION("YeeLoong laptop driver"); ++MODULE_LICENSE("GPL"); +diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig +index db933de..1232c4b 100644 +--- a/drivers/rtc/Kconfig ++++ b/drivers/rtc/Kconfig +@@ -649,6 +649,7 @@ comment "Platform RTC drivers" + config RTC_DRV_CMOS + tristate "PC-style 'CMOS'" + depends on X86 || ARM || M32R || PPC || MIPS || SPARC64 ++ depends on !DEXXON_GDIUM + default y if X86 + help + Say "yes" here to get direct support for the real time clock +diff --git a/drivers/staging/sm7xxfb/sm7xxfb.c b/drivers/staging/sm7xxfb/sm7xxfb.c +index 6176d98..e40ce80 100644 +--- a/drivers/staging/sm7xxfb/sm7xxfb.c ++++ b/drivers/staging/sm7xxfb/sm7xxfb.c +@@ -101,6 +101,7 @@ static struct vesa_mode vesa_mode_table[] = { + {"0x307", 1280, 1024, 8}, + + {"0x311", 640, 480, 16}, ++ {"0x313", 800, 480, 16}, + {"0x314", 800, 600, 16}, + {"0x317", 1024, 768, 16}, + {"0x31A", 1280, 1024, 16}, +diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c +index 34fc86c..1569247 100644 +--- a/drivers/usb/host/ohci-hcd.c ++++ b/drivers/usb/host/ohci-hcd.c +@@ -864,9 +864,13 @@ static irqreturn_t ohci_irq (struct usb_hcd *hcd) + } + + if (ints & OHCI_INTR_WDH) { +- spin_lock (&ohci->lock); +- dl_done_list (ohci); +- spin_unlock (&ohci->lock); ++ if (ohci->hcca->done_head == 0) { ++ ints &= ~OHCI_INTR_WDH; ++ } else { ++ spin_lock (&ohci->lock); ++ dl_done_list (ohci); ++ spin_unlock (&ohci->lock); ++ } + } + + if (quirk_zfmicro(ohci) && (ints & OHCI_INTR_SF)) { +diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c +index 2f3aceb..6647c3f 100644 +--- a/drivers/usb/host/pci-quirks.c ++++ b/drivers/usb/host/pci-quirks.c +@@ -454,6 +454,7 @@ void usb_amd_dev_put(void) + } + EXPORT_SYMBOL_GPL(usb_amd_dev_put); + ++#if defined(CONFIG_USB_UHCI_HCD) || defined(CONFIG_USB_UHCI_HCD_MODULE) + /* + * Make sure the controller is completely inactive, unable to + * generate interrupts or do DMA. +@@ -561,12 +562,16 @@ static void quirk_usb_handoff_uhci(struct pci_dev *pdev) + if (base) + uhci_check_and_reset_hc(pdev, base); + } ++#else ++#define quirk_usb_handoff_uhci(x) do { } while (0) ++#endif /* CONFIG_USB_UHCI_HCD* */ + + static int mmio_resource_enabled(struct pci_dev *pdev, int idx) + { + return pci_resource_start(pdev, idx) && mmio_enabled(pdev); + } + ++#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) + static void quirk_usb_handoff_ohci(struct pci_dev *pdev) + { + void __iomem *base; +@@ -633,7 +638,11 @@ static void quirk_usb_handoff_ohci(struct pci_dev *pdev) + /* Now the controller is safely in SUSPEND and nothing can wake it up */ + iounmap(base); + } ++#else ++#define quirk_usb_handoff_ohci(x) do { } while(0) ++#endif /* CONFIG_USB_OHCI_HCD* */ + ++#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE) + static const struct dmi_system_id ehci_dmi_nohandoff_table[] = { + { + /* Pegatron Lucid (ExoPC) */ +@@ -806,6 +815,9 @@ static void quirk_usb_disable_ehci(struct pci_dev *pdev) + + iounmap(base); + } ++#else ++#define quirk_usb_disable_ehci(x) do { } while (0) ++#endif /* CONFIG_USB_EHCI_HCD* */ + + /* + * handshake - spin reading a register until handshake completes +@@ -945,6 +957,7 @@ void usb_disable_xhci_ports(struct pci_dev *xhci_pdev) + } + EXPORT_SYMBOL_GPL(usb_disable_xhci_ports); + ++#if defined(CONFIG_USB_XHCI_HCD) || defined(CONFIG_USB_XHCI_HCD_MODULE) + /** + * PCI Quirks for xHCI. + * +@@ -1052,6 +1065,9 @@ hc_init: + + iounmap(base); + } ++#else ++#define quirk_usb_handoff_xhci(x) do { } while (0) ++#endif /* CONFIG_USB_UHCI_HCD* */ + + static void quirk_usb_early_handoff(struct pci_dev *pdev) + { +diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c +index 8b34841..54e494d 100644 +--- a/drivers/usb/serial/option.c ++++ b/drivers/usb/serial/option.c +@@ -79,6 +79,9 @@ static void option_instat_callback(struct urb *urb); + #define OPTION_PRODUCT_ETNA_KOI_MODEM 0x7100 + #define OPTION_PRODUCT_GTM380_MODEM 0x7201 + ++#define HUAWO_VENDOR_ID 0x21F5 ++#define HUAWO_PRODUCT_E1621 0x2008 ++ + #define HUAWEI_VENDOR_ID 0x12D1 + #define HUAWEI_PRODUCT_E173 0x140C + #define HUAWEI_PRODUCT_E1750 0x1406 +@@ -633,6 +636,7 @@ static const struct usb_device_id option_ids[] = { + { USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GLE) }, + { USB_DEVICE(QUANTA_VENDOR_ID, 0xea42), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, ++ { USB_DEVICE(HUAWO_VENDOR_ID, HUAWO_PRODUCT_E1621) }, /* QUANTA 6500 chips, Unicom extensive use of this card */ + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1c05, USB_CLASS_COMM, 0x02, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1c1f, USB_CLASS_COMM, 0x02, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1c23, USB_CLASS_COMM, 0x02, 0xff) }, +diff --git a/include/linux/sm501.h b/include/linux/sm501.h +index 02fde50..a8677f0 100644 +--- a/include/linux/sm501.h ++++ b/include/linux/sm501.h +@@ -27,6 +27,9 @@ extern unsigned long sm501_set_clock(struct device *dev, + extern unsigned long sm501_find_clock(struct device *dev, + int clksrc, unsigned long req_freq); + ++extern void sm501_configure_gpio(struct device *dev, ++ unsigned int gpio, unsigned char mode); ++ + /* sm501_misc_control + * + * Modify the SM501's MISC_CONTROL register +@@ -122,6 +125,7 @@ struct sm501_reg_init { + #define SM501_USE_AC97 (1<<7) + #define SM501_USE_I2S (1<<8) + #define SM501_USE_GPIO (1<<9) ++#define SM501_USE_PWM (1<<10) + + #define SM501_USE_ALL (0xffffffff) + +diff --git a/init/calibrate.c b/init/calibrate.c +index 520702d..e78762a 100644 +--- a/init/calibrate.c ++++ b/init/calibrate.c +@@ -21,6 +21,7 @@ static int __init lpj_setup(char *str) + + __setup("lpj=", lpj_setup); + ++#ifndef ARCH_HAS_PREPARED_LPJ + #ifdef ARCH_HAS_READ_CURRENT_TIMER + + /* This routine uses the read_current_timer() routine and gets the +@@ -171,6 +172,7 @@ static unsigned long calibrate_delay_direct(void) + return 0; + } + #endif ++#endif /* ARCH_HAS_PREPARED_LPJ */ + + /* + * This is the number of bits of precision for the loops_per_jiffy. Each +@@ -282,6 +284,7 @@ void calibrate_delay(void) + lpj = lpj_fine; + pr_info("Calibrating delay loop (skipped), " + "value calculated using timer frequency.. "); ++#ifndef ARCH_HAS_PREPARED_LPJ + } else if ((lpj = calibrate_delay_is_known())) { + ; + } else if ((lpj = calibrate_delay_direct()) != 0) { +@@ -292,6 +295,7 @@ void calibrate_delay(void) + if (!printed) + pr_info("Calibrating delay loop... "); + lpj = calibrate_delay_converge(); ++#endif /* ARCH_HAS_PREPARED_LPJ */ + } + per_cpu(cpu_loops_per_jiffy, this_cpu) = lpj; + if (!printed) +diff --git a/net/rfkill/core.c b/net/rfkill/core.c +index ed7e0b4..6cb1ae8 100644 +--- a/net/rfkill/core.c ++++ b/net/rfkill/core.c +@@ -111,7 +111,7 @@ static LIST_HEAD(rfkill_list); /* list of registered rf switches */ + static DEFINE_MUTEX(rfkill_global_mutex); + static LIST_HEAD(rfkill_fds); /* list of open fds of /dev/rfkill */ + +-static unsigned int rfkill_default_state = 1; ++static unsigned int rfkill_default_state; /* default: 0 = radio off */ + module_param_named(default_state, rfkill_default_state, uint, 0444); + MODULE_PARM_DESC(default_state, + "Default initial state for all radio types, 0 = radio off"); +diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl +index 91280b8..6b147ae 100755 +--- a/scripts/recordmcount.pl ++++ b/scripts/recordmcount.pl +@@ -307,14 +307,33 @@ if ($arch eq "x86_64") { + $cc .= " -m64"; + $objcopy .= " -O elf64-sparc"; + } elsif ($arch eq "mips") { +- # To enable module support, we need to enable the -mlong-calls option +- # of gcc for module, after using this option, we can not get the real +- # offset of the calling to _mcount, but the offset of the lui +- # instruction or the addiu one. herein, we record the address of the +- # first one, and then we can replace this instruction by a branch +- # instruction to jump over the profiling function to filter the +- # indicated functions, or swith back to the lui instruction to trace +- # them, which means dynamic tracing. ++ # ++ # To disable tracing, just replace "jal _mcount" with nop; ++ # to enable tracing, replace back. so, the offset 14 is ++ # needed to be recorded. ++ # ++ # 10: 03e0082d move at,ra ++ # 14: 0c000000 jal 0 ++ # 14: R_MIPS_26 _mcount ++ # 14: R_MIPS_NONE *ABS* ++ # 14: R_MIPS_NONE *ABS* ++ # 18: 00020021 nop ++ # ++ # ++ # ++ # If no long call(-mlong-calls), the same to kernel. ++ # ++ # If the module space differs from the kernel space, long ++ # call is needed, as a result, the address of _mcount is ++ # needed to be recorded in a register and then jump from ++ # module space to kernel space via "jalr ". To ++ # disable tracing, "jalr " can be replaced by ++ # nop; to enable tracing, replace it back. Since the ++ # offset of "jalr " is not easy to be matched, ++ # the offset of the 1st _mcount below is recorded and to ++ # disable tracing, "lui v1, 0x0" is substituted with "b ++ # label", which jumps over "jalr "; to enable ++ # tracing, replace it back. + # + # c: 3c030000 lui v1,0x0 + # c: R_MIPS_HI16 _mcount +@@ -326,19 +345,12 @@ if ($arch eq "x86_64") { + # 10: R_MIPS_NONE *ABS* + # 14: 03e0082d move at,ra + # 18: 0060f809 jalr v1 ++ # label: + # +- # for the kernel: +- # +- # 10: 03e0082d move at,ra +- # 14: 0c000000 jal 0 +- # 14: R_MIPS_26 _mcount +- # 14: R_MIPS_NONE *ABS* +- # 14: R_MIPS_NONE *ABS* +- # 18: 00020021 nop + if ($is_module eq "0") { + $mcount_regex = "^\\s*([0-9a-fA-F]+): R_MIPS_26\\s+_mcount\$"; + } else { +- $mcount_regex = "^\\s*([0-9a-fA-F]+): R_MIPS_HI16\\s+_mcount\$"; ++ $mcount_regex = "^\\s*([0-9a-fA-F]+): R_MIPS_(HI16|26)\\s+_mcount\$"; + } + $objdump .= " -Melf-trad".$endian."mips "; + +diff --git a/scripts/sstrip.sh b/scripts/sstrip.sh +new file mode 100755 +index 0000000..49b973a +--- /dev/null ++++ b/scripts/sstrip.sh +@@ -0,0 +1,59 @@ ++#!/bin/bash ++# sstrip.sh -- strip the section table of an elf file ++# ++# Copyright (C) 2010 Wu Zhangjin, wuzhangjin@gmail.com ++# Licensed under the GPLv2 ++# ++# Since the section table is useless for the embedded device, it can be ++# stripped out. ++# ++# Note: Some bootloader may check the section table but most of the time, it ++# may be not really used, If it really need the section table, it may need the ++# decompressed kernel image. ++ ++# Usage ++ ++function usage ++{ ++cat </dev/null` ++[ "xELF" != "x${FILE_TYPE}" ] && echo "$0: ${IMAGE} is not an ELF file" && exit -1 ++ ++[ "x${V}" == "x1" ] && orig_filesz=`wc -c ${IMAGE} | cut -d' ' -f1` ++ ++# Get the offset of the section table, here get the end of the program section ++filesz=$((`${OBJDUMP} -p ${IMAGE} | grep -m1 filesz | tr -s ' ' | cut -d' ' -f3`)) ++ ++# Truncate it via the dd tool ++dd if=/dev/null bs=1 of=${IMAGE} seek=${filesz} 2>/dev/null ++ ++# Clear the section table information in the ELF header ++# The last 6 bytes of the ELF header are the section table information ++echo -ne "\x00\x00\x00\x00\x00\x00" | dd of=${IMAGE} bs=1 seek=46 count=6 conv=notrunc 2>/dev/null ++ ++# Debug ++if [ "x${V}" == "x1" ]; then ++ echo "----------------------------------------------------------------" ++ echo "Strip the section table at ${filesz} of ${IMAGE}" ++ echo "----------------------------------------------------------------" ++ echo " sstrip: $0" ++ echo " objdump: ${OBJDUMP}" ++ echo "original size: ${orig_filesz}" ++ echo "current size: ${filesz}" ++ echo "reduced size: $((${orig_filesz} - ${filesz}))" ++fi diff --git a/kernels/linux-libre-lts-grsec/PKGBUILD b/kernels/linux-libre-lts-grsec/PKGBUILD index 82bbb3c7f..3edda4fa8 100644 --- a/kernels/linux-libre-lts-grsec/PKGBUILD +++ b/kernels/linux-libre-lts-grsec/PKGBUILD @@ -14,7 +14,7 @@ pkgbase=linux-libre-lts-grsec # Build kernel with lts-grsec localname _pkgbasever=3.14-gnu _pkgver=3.14.35-gnu _grsecver=3.1 -_timestamp=201503071140 +_timestamp=201503092203 _replacesarchkernel=('linux%') # '%' gets replaced with _kernelname _replacesoldkernels=('kernel26%' 'kernel26-libre%') # '%' gets replaced with _kernelname @@ -47,16 +47,16 @@ source=("http://linux-libre.fsfla.org/pub/linux-libre/releases/${_pkgbasever}/li '0006-genksyms-fix-typeof-handling.patch' # loongson-community patch: http://linux-libre.fsfla.org/pub/linux-libre/lemote/gnewsense/pool/debuginfo/ # Note: Makefile patching was removed due which we are using specific flags from grsecurity patch - '3.14.14-a410a5e2b7-loongson-community.patch') + '3.14.26-8475f027b4-loongson-community.patch') sha256sums=('477555c709b9407fe37dbd70d3331ff9dde1f9d874aba2741f138d07ae6f281b' 'SKIP' 'ac2ae79e3a50b2865d584f3f2cd6d5262f01255a8fdb804b4fb5ee52b5e78fae' 'SKIP' - 'a520dbd1dbaa4fe36edb1c599783686d3aba5ed39e3105bb400fbd9afdafd31c' + '698302d418dda6a3981e910d06d5008c8f44d545d455b691e78f61007b041551' 'SKIP' - 'b0bd5fc96da61a02784f08f01ed1714e7fc18472f7ef02aacb66ebf208e5d935' - 'b2011a5e8b26276b1acc08594d1b89e4427ad431330b687b462baf5f8eebe80f' - '3939dd97a725a7cab4072043f93cfe1a22825dedb3ae9bcace2b75ca4adc99e6' + '56d4fe1fe5e688ec9c51e835fc25e81b1c6647526ef6c814898e7ec59cea5685' + '564e5f40754d901e9c30764c760639fcea82c1e83c29c154b0e3630b70f1f53d' + '80bf585f3b5ad29262077b8610c43299223d9f2e18a207cf7c7f954d12d7c74f' 'f0d90e756f14533ee67afda280500511a62465b4f76adcc5effa95a40045179c' 'bfd4a7f61febe63c880534dcb7c31c5b932dde6acf991810b41a939a93535494' '6de8a8319271809ffdb072b68d53d155eef12438e6d04ff06a5a4db82c34fa8a' @@ -66,7 +66,7 @@ sha256sums=('477555c709b9407fe37dbd70d3331ff9dde1f9d874aba2741f138d07ae6f281b' '52dec83a8805a8642d74d764494acda863e0aa23e3d249e80d4b457e20a3fd29' '65d58f63215ee3c5f9c4fc6bce36fc5311a6c7dbdbe1ad29de40647b47ff9c0d' 'cf2e7a2d00787f754028e7459688c2755a406e632ce48b60952fa4ff7ed6f4b7' - '78d67e41175873d18018ec4dd46f3b9d59c9fbf54ec8c1d616bfef9362cf0b49') + '4637b23fc0cb21520c9da612cd39c38a52bd00c80778e39110fc2e72118f9c10') validpgpkeys=( '474402C8C582DAFBE389C427BCB7CF877E7D47A7' # Alexandre Oliva 'DE9452CE46F42094907F108B44D1C0F82525FE49' # Bradley Spengler @@ -119,7 +119,7 @@ prepare() { # Adding loongson-community patch if [ "${CARCH}" == "mips64el" ]; then - patch -p1 -i ${srcdir}/3.14.14-a410a5e2b7-loongson-community.patch + patch -p1 -i ${srcdir}/3.14.26-8475f027b4-loongson-community.patch fi cat "${srcdir}/config.${CARCH}" > ./.config diff --git a/kernels/linux-libre-lts-grsec/config.i686 b/kernels/linux-libre-lts-grsec/config.i686 index faba5dddd..fc7fb4aaa 100644 --- a/kernels/linux-libre-lts-grsec/config.i686 +++ b/kernels/linux-libre-lts-grsec/config.i686 @@ -1,6 +1,6 @@ # # Automatically generated file; DO NOT EDIT. -# Linux/x86 3.14.33-gnu-201502222137-1-lts-grsec Kernel Configuration +# Linux/x86 3.14.35-gnu-201503092203-1-lts-grsec Kernel Configuration # # CONFIG_64BIT is not set CONFIG_X86_32=y @@ -6575,9 +6575,23 @@ CONFIG_TRUSTED_KEYS=m CONFIG_ENCRYPTED_KEYS=m # CONFIG_KEYS_DEBUG_PROC_KEYS is not set CONFIG_SECURITY_DMESG_RESTRICT=y -# CONFIG_SECURITY is not set +CONFIG_SECURITY=y CONFIG_SECURITYFS=y +CONFIG_SECURITY_NETWORK=y +CONFIG_SECURITY_NETWORK_XFRM=y +CONFIG_SECURITY_PATH=y # CONFIG_INTEL_TXT is not set +# CONFIG_SECURITY_SMACK is not set +CONFIG_SECURITY_TOMOYO=y +CONFIG_SECURITY_TOMOYO_MAX_ACCEPT_ENTRY=2048 +CONFIG_SECURITY_TOMOYO_MAX_AUDIT_LOG=1024 +# CONFIG_SECURITY_TOMOYO_OMIT_USERSPACE_LOADER is not set +CONFIG_SECURITY_TOMOYO_POLICY_LOADER="/usr/bin/tomoyo-init" +CONFIG_SECURITY_TOMOYO_ACTIVATION_TRIGGER="/usr/lib/systemd/systemd" +# CONFIG_SECURITY_APPARMOR is not set +# CONFIG_IMA is not set +# CONFIG_DEFAULT_SECURITY_SELINUX is not set +# CONFIG_DEFAULT_SECURITY_TOMOYO is not set CONFIG_DEFAULT_SECURITY_DAC=y CONFIG_DEFAULT_SECURITY="" CONFIG_XOR_BLOCKS=m diff --git a/kernels/linux-libre-lts-grsec/config.mips64el b/kernels/linux-libre-lts-grsec/config.mips64el index 9a3eb76ac..30cc04e74 100644 --- a/kernels/linux-libre-lts-grsec/config.mips64el +++ b/kernels/linux-libre-lts-grsec/config.mips64el @@ -1,6 +1,6 @@ # # Automatically generated file; DO NOT EDIT. -# Linux/mips 3.14.19-gnu-201409180900-1-lts-grsec Kernel Configuration +# Linux/mips 3.14.35-gnu-201503092203-1-lts-grsec Kernel Configuration # CONFIG_MIPS=y @@ -5850,8 +5850,21 @@ CONFIG_TRUSTED_KEYS=m CONFIG_ENCRYPTED_KEYS=m # CONFIG_KEYS_DEBUG_PROC_KEYS is not set CONFIG_SECURITY_DMESG_RESTRICT=y -# CONFIG_SECURITY is not set +CONFIG_SECURITY=y CONFIG_SECURITYFS=y +CONFIG_SECURITY_NETWORK=y +CONFIG_SECURITY_NETWORK_XFRM=y +CONFIG_SECURITY_PATH=y +# CONFIG_SECURITY_SMACK is not set +CONFIG_SECURITY_TOMOYO=y +CONFIG_SECURITY_TOMOYO_MAX_ACCEPT_ENTRY=2048 +CONFIG_SECURITY_TOMOYO_MAX_AUDIT_LOG=1024 +# CONFIG_SECURITY_TOMOYO_OMIT_USERSPACE_LOADER is not set +CONFIG_SECURITY_TOMOYO_POLICY_LOADER="/usr/bin/tomoyo-init" +CONFIG_SECURITY_TOMOYO_ACTIVATION_TRIGGER="/usr/lib/systemd/systemd" +# CONFIG_SECURITY_APPARMOR is not set +# CONFIG_IMA is not set +# CONFIG_DEFAULT_SECURITY_TOMOYO is not set CONFIG_DEFAULT_SECURITY_DAC=y CONFIG_DEFAULT_SECURITY="" CONFIG_XOR_BLOCKS=m diff --git a/kernels/linux-libre-lts-grsec/config.x86_64 b/kernels/linux-libre-lts-grsec/config.x86_64 index 4436d77ec..6596bc3b9 100644 --- a/kernels/linux-libre-lts-grsec/config.x86_64 +++ b/kernels/linux-libre-lts-grsec/config.x86_64 @@ -1,6 +1,6 @@ # # Automatically generated file; DO NOT EDIT. -# Linux/x86 3.14.33-gnu-201502222137-1-lts-grsec Kernel Configuration +# Linux/x86 3.14.35-gnu-201503092203-1-lts-grsec Kernel Configuration # CONFIG_64BIT=y CONFIG_X86_64=y @@ -6318,9 +6318,23 @@ CONFIG_TRUSTED_KEYS=m CONFIG_ENCRYPTED_KEYS=m # CONFIG_KEYS_DEBUG_PROC_KEYS is not set CONFIG_SECURITY_DMESG_RESTRICT=y -# CONFIG_SECURITY is not set +CONFIG_SECURITY=y CONFIG_SECURITYFS=y +CONFIG_SECURITY_NETWORK=y +CONFIG_SECURITY_NETWORK_XFRM=y +CONFIG_SECURITY_PATH=y # CONFIG_INTEL_TXT is not set +# CONFIG_SECURITY_SMACK is not set +CONFIG_SECURITY_TOMOYO=y +CONFIG_SECURITY_TOMOYO_MAX_ACCEPT_ENTRY=2048 +CONFIG_SECURITY_TOMOYO_MAX_AUDIT_LOG=1024 +# CONFIG_SECURITY_TOMOYO_OMIT_USERSPACE_LOADER is not set +CONFIG_SECURITY_TOMOYO_POLICY_LOADER="/usr/bin/tomoyo-init" +CONFIG_SECURITY_TOMOYO_ACTIVATION_TRIGGER="/usr/lib/systemd/systemd" +# CONFIG_SECURITY_APPARMOR is not set +# CONFIG_IMA is not set +# CONFIG_DEFAULT_SECURITY_SELINUX is not set +# CONFIG_DEFAULT_SECURITY_TOMOYO is not set CONFIG_DEFAULT_SECURITY_DAC=y CONFIG_DEFAULT_SECURITY="" CONFIG_XOR_BLOCKS=m -- cgit v1.2.3 From 4f3c7a64a627944df240623eede3632a1d37b13d Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Thu, 12 Mar 2015 05:13:26 -0300 Subject: linux-libre-lts-grsec{,-knock}: fix config files --- kernels/linux-libre-lts-grsec-knock/PKGBUILD | 6 +++--- kernels/linux-libre-lts-grsec-knock/config.i686 | 5 +++++ kernels/linux-libre-lts-grsec-knock/config.mips64el | 5 +++++ kernels/linux-libre-lts-grsec-knock/config.x86_64 | 5 +++++ kernels/linux-libre-lts-grsec/PKGBUILD | 6 +++--- kernels/linux-libre-lts-grsec/config.i686 | 5 +++++ kernels/linux-libre-lts-grsec/config.mips64el | 5 +++++ kernels/linux-libre-lts-grsec/config.x86_64 | 5 +++++ 8 files changed, 36 insertions(+), 6 deletions(-) (limited to 'kernels/linux-libre-lts-grsec') diff --git a/kernels/linux-libre-lts-grsec-knock/PKGBUILD b/kernels/linux-libre-lts-grsec-knock/PKGBUILD index 3f9a5057d..5231e69b6 100644 --- a/kernels/linux-libre-lts-grsec-knock/PKGBUILD +++ b/kernels/linux-libre-lts-grsec-knock/PKGBUILD @@ -59,9 +59,9 @@ sha256sums=('477555c709b9407fe37dbd70d3331ff9dde1f9d874aba2741f138d07ae6f281b' 'SKIP' '70cbe962aa01989ffa83490bb0765d6e4c781f6133dc8d768d84bd6716ac0209' 'SKIP' - 'e16a22736e9de3f0a574dc02cc30d83a587edcf31124b34506b7e8add00d421d' - '553ebb3fc25c258d123ce3672bdaa9b980c530bdb32b8f4161665a97b5f5468e' - '3e3db3e7826d6b1360f481937f32bc9a4f212ee1c6f588d21cb21afce218abf7' + '2e06cf87f58615f0292d2043ca456938d0329f47b364c9f013514243ed13e1aa' + '4eeb05516b66ff774500c1fb8431ae177413be05746fd01d28c35f4141d2e5b1' + '3cf173957648e9d7b38b1f481e01cd63e25e5b44de6341e774387c863e2f4632' 'f0d90e756f14533ee67afda280500511a62465b4f76adcc5effa95a40045179c' 'bfd4a7f61febe63c880534dcb7c31c5b932dde6acf991810b41a939a93535494' '6de8a8319271809ffdb072b68d53d155eef12438e6d04ff06a5a4db82c34fa8a' diff --git a/kernels/linux-libre-lts-grsec-knock/config.i686 b/kernels/linux-libre-lts-grsec-knock/config.i686 index 75b37b088..6564c6d36 100644 --- a/kernels/linux-libre-lts-grsec-knock/config.i686 +++ b/kernels/linux-libre-lts-grsec-knock/config.i686 @@ -823,6 +823,7 @@ CONFIG_IPV6_GRE=m CONFIG_IPV6_MULTIPLE_TABLES=y CONFIG_IPV6_SUBTREES=y # CONFIG_IPV6_MROUTE is not set +CONFIG_NETLABEL=y CONFIG_NETWORK_SECMARK=y CONFIG_NETWORK_PHY_TIMESTAMPING=y CONFIG_NETFILTER=y @@ -1067,6 +1068,7 @@ CONFIG_IP_NF_TARGET_CLUSTERIP=m CONFIG_IP_NF_TARGET_ECN=m CONFIG_IP_NF_TARGET_TTL=m CONFIG_IP_NF_RAW=m +CONFIG_IP_NF_SECURITY=m CONFIG_IP_NF_ARPTABLES=m CONFIG_IP_NF_ARPFILTER=m CONFIG_IP_NF_ARP_MANGLE=m @@ -1096,6 +1098,7 @@ CONFIG_IP6_NF_TARGET_REJECT=m CONFIG_IP6_NF_TARGET_SYNPROXY=m CONFIG_IP6_NF_MANGLE=m CONFIG_IP6_NF_RAW=m +CONFIG_IP6_NF_SECURITY=m CONFIG_NF_NAT_IPV6=m CONFIG_IP6_NF_TARGET_MASQUERADE=m CONFIG_IP6_NF_TARGET_NPT=m @@ -5935,6 +5938,7 @@ CONFIG_FSNOTIFY=y CONFIG_DNOTIFY=y CONFIG_INOTIFY_USER=y CONFIG_FANOTIFY=y +CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y CONFIG_QUOTA=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set @@ -6089,6 +6093,7 @@ CONFIG_NFSD_V2_ACL=y CONFIG_NFSD_V3=y CONFIG_NFSD_V3_ACL=y CONFIG_NFSD_V4=y +CONFIG_NFSD_V4_SECURITY_LABEL=y # CONFIG_NFSD_FAULT_INJECTION is not set CONFIG_LOCKD=m CONFIG_LOCKD_V4=y diff --git a/kernels/linux-libre-lts-grsec-knock/config.mips64el b/kernels/linux-libre-lts-grsec-knock/config.mips64el index 1e8d6909a..0971b4325 100644 --- a/kernels/linux-libre-lts-grsec-knock/config.mips64el +++ b/kernels/linux-libre-lts-grsec-knock/config.mips64el @@ -616,6 +616,7 @@ CONFIG_IPV6_GRE=m CONFIG_IPV6_MULTIPLE_TABLES=y CONFIG_IPV6_SUBTREES=y # CONFIG_IPV6_MROUTE is not set +# CONFIG_NETLABEL is not set CONFIG_NETWORK_SECMARK=y CONFIG_NETWORK_PHY_TIMESTAMPING=y CONFIG_NETFILTER=y @@ -860,6 +861,7 @@ CONFIG_IP_NF_TARGET_CLUSTERIP=m CONFIG_IP_NF_TARGET_ECN=m CONFIG_IP_NF_TARGET_TTL=m CONFIG_IP_NF_RAW=m +# CONFIG_IP_NF_SECURITY is not set CONFIG_IP_NF_ARPTABLES=m CONFIG_IP_NF_ARPFILTER=m CONFIG_IP_NF_ARP_MANGLE=m @@ -889,6 +891,7 @@ CONFIG_IP6_NF_TARGET_REJECT=m CONFIG_IP6_NF_TARGET_SYNPROXY=m CONFIG_IP6_NF_MANGLE=m CONFIG_IP6_NF_RAW=m +CONFIG_IP6_NF_SECURITY=m CONFIG_NF_NAT_IPV6=m CONFIG_IP6_NF_TARGET_MASQUERADE=m CONFIG_IP6_NF_TARGET_NPT=m @@ -5262,6 +5265,7 @@ CONFIG_FSNOTIFY=y CONFIG_DNOTIFY=y CONFIG_INOTIFY_USER=y CONFIG_FANOTIFY=y +CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y CONFIG_QUOTA=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set @@ -5415,6 +5419,7 @@ CONFIG_NFSD_V2_ACL=y CONFIG_NFSD_V3=y CONFIG_NFSD_V3_ACL=y CONFIG_NFSD_V4=y +CONFIG_NFSD_V4_SECURITY_LABEL=y # CONFIG_NFSD_FAULT_INJECTION is not set CONFIG_LOCKD=m CONFIG_LOCKD_V4=y diff --git a/kernels/linux-libre-lts-grsec-knock/config.x86_64 b/kernels/linux-libre-lts-grsec-knock/config.x86_64 index 96e894e54..a69de41ab 100644 --- a/kernels/linux-libre-lts-grsec-knock/config.x86_64 +++ b/kernels/linux-libre-lts-grsec-knock/config.x86_64 @@ -803,6 +803,7 @@ CONFIG_IPV6_GRE=m CONFIG_IPV6_MULTIPLE_TABLES=y CONFIG_IPV6_SUBTREES=y # CONFIG_IPV6_MROUTE is not set +CONFIG_NETLABEL=y CONFIG_NETWORK_SECMARK=y CONFIG_NETWORK_PHY_TIMESTAMPING=y CONFIG_NETFILTER=y @@ -1047,6 +1048,7 @@ CONFIG_IP_NF_TARGET_CLUSTERIP=m CONFIG_IP_NF_TARGET_ECN=m CONFIG_IP_NF_TARGET_TTL=m CONFIG_IP_NF_RAW=m +CONFIG_IP_NF_SECURITY=m CONFIG_IP_NF_ARPTABLES=m CONFIG_IP_NF_ARPFILTER=m CONFIG_IP_NF_ARP_MANGLE=m @@ -1076,6 +1078,7 @@ CONFIG_IP6_NF_TARGET_REJECT=m CONFIG_IP6_NF_TARGET_SYNPROXY=m CONFIG_IP6_NF_MANGLE=m CONFIG_IP6_NF_RAW=m +CONFIG_IP6_NF_SECURITY=m CONFIG_NF_NAT_IPV6=m CONFIG_IP6_NF_TARGET_MASQUERADE=m CONFIG_IP6_NF_TARGET_NPT=m @@ -5674,6 +5677,7 @@ CONFIG_FSNOTIFY=y CONFIG_DNOTIFY=y CONFIG_INOTIFY_USER=y CONFIG_FANOTIFY=y +CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y CONFIG_QUOTA=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set @@ -5829,6 +5833,7 @@ CONFIG_NFSD_V2_ACL=y CONFIG_NFSD_V3=y CONFIG_NFSD_V3_ACL=y CONFIG_NFSD_V4=y +CONFIG_NFSD_V4_SECURITY_LABEL=y # CONFIG_NFSD_FAULT_INJECTION is not set CONFIG_LOCKD=m CONFIG_LOCKD_V4=y diff --git a/kernels/linux-libre-lts-grsec/PKGBUILD b/kernels/linux-libre-lts-grsec/PKGBUILD index 3edda4fa8..1b25c60e3 100644 --- a/kernels/linux-libre-lts-grsec/PKGBUILD +++ b/kernels/linux-libre-lts-grsec/PKGBUILD @@ -54,9 +54,9 @@ sha256sums=('477555c709b9407fe37dbd70d3331ff9dde1f9d874aba2741f138d07ae6f281b' 'SKIP' '698302d418dda6a3981e910d06d5008c8f44d545d455b691e78f61007b041551' 'SKIP' - '56d4fe1fe5e688ec9c51e835fc25e81b1c6647526ef6c814898e7ec59cea5685' - '564e5f40754d901e9c30764c760639fcea82c1e83c29c154b0e3630b70f1f53d' - '80bf585f3b5ad29262077b8610c43299223d9f2e18a207cf7c7f954d12d7c74f' + '1866c7dcc6522cc94949e70c0801955f0698656a92e0ca5a8f6b21edf5d75023' + '21276e3ebe01fe8d31570cd798d228ff6b0a02d0b94b06a738ed30b8b272a921' + '2de9f74fbd73ab82facb3d461faccaafb5b87d68a948179c981e19e6a5e0e308' 'f0d90e756f14533ee67afda280500511a62465b4f76adcc5effa95a40045179c' 'bfd4a7f61febe63c880534dcb7c31c5b932dde6acf991810b41a939a93535494' '6de8a8319271809ffdb072b68d53d155eef12438e6d04ff06a5a4db82c34fa8a' diff --git a/kernels/linux-libre-lts-grsec/config.i686 b/kernels/linux-libre-lts-grsec/config.i686 index fc7fb4aaa..80342abc2 100644 --- a/kernels/linux-libre-lts-grsec/config.i686 +++ b/kernels/linux-libre-lts-grsec/config.i686 @@ -822,6 +822,7 @@ CONFIG_IPV6_GRE=m CONFIG_IPV6_MULTIPLE_TABLES=y CONFIG_IPV6_SUBTREES=y # CONFIG_IPV6_MROUTE is not set +CONFIG_NETLABEL=y CONFIG_NETWORK_SECMARK=y CONFIG_NETWORK_PHY_TIMESTAMPING=y CONFIG_NETFILTER=y @@ -1066,6 +1067,7 @@ CONFIG_IP_NF_TARGET_CLUSTERIP=m CONFIG_IP_NF_TARGET_ECN=m CONFIG_IP_NF_TARGET_TTL=m CONFIG_IP_NF_RAW=m +CONFIG_IP_NF_SECURITY=m CONFIG_IP_NF_ARPTABLES=m CONFIG_IP_NF_ARPFILTER=m CONFIG_IP_NF_ARP_MANGLE=m @@ -1095,6 +1097,7 @@ CONFIG_IP6_NF_TARGET_REJECT=m CONFIG_IP6_NF_TARGET_SYNPROXY=m CONFIG_IP6_NF_MANGLE=m CONFIG_IP6_NF_RAW=m +CONFIG_IP6_NF_SECURITY=m CONFIG_NF_NAT_IPV6=m CONFIG_IP6_NF_TARGET_MASQUERADE=m CONFIG_IP6_NF_TARGET_NPT=m @@ -5934,6 +5937,7 @@ CONFIG_FSNOTIFY=y CONFIG_DNOTIFY=y CONFIG_INOTIFY_USER=y CONFIG_FANOTIFY=y +CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y CONFIG_QUOTA=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set @@ -6088,6 +6092,7 @@ CONFIG_NFSD_V2_ACL=y CONFIG_NFSD_V3=y CONFIG_NFSD_V3_ACL=y CONFIG_NFSD_V4=y +CONFIG_NFSD_V4_SECURITY_LABEL=y # CONFIG_NFSD_FAULT_INJECTION is not set CONFIG_LOCKD=m CONFIG_LOCKD_V4=y diff --git a/kernels/linux-libre-lts-grsec/config.mips64el b/kernels/linux-libre-lts-grsec/config.mips64el index 30cc04e74..be3306da5 100644 --- a/kernels/linux-libre-lts-grsec/config.mips64el +++ b/kernels/linux-libre-lts-grsec/config.mips64el @@ -615,6 +615,7 @@ CONFIG_IPV6_GRE=m CONFIG_IPV6_MULTIPLE_TABLES=y CONFIG_IPV6_SUBTREES=y # CONFIG_IPV6_MROUTE is not set +# CONFIG_NETLABEL is not set CONFIG_NETWORK_SECMARK=y CONFIG_NETWORK_PHY_TIMESTAMPING=y CONFIG_NETFILTER=y @@ -859,6 +860,7 @@ CONFIG_IP_NF_TARGET_CLUSTERIP=m CONFIG_IP_NF_TARGET_ECN=m CONFIG_IP_NF_TARGET_TTL=m CONFIG_IP_NF_RAW=m +# CONFIG_IP_NF_SECURITY is not set CONFIG_IP_NF_ARPTABLES=m CONFIG_IP_NF_ARPFILTER=m CONFIG_IP_NF_ARP_MANGLE=m @@ -888,6 +890,7 @@ CONFIG_IP6_NF_TARGET_REJECT=m CONFIG_IP6_NF_TARGET_SYNPROXY=m CONFIG_IP6_NF_MANGLE=m CONFIG_IP6_NF_RAW=m +CONFIG_IP6_NF_SECURITY=m CONFIG_NF_NAT_IPV6=m CONFIG_IP6_NF_TARGET_MASQUERADE=m CONFIG_IP6_NF_TARGET_NPT=m @@ -5261,6 +5264,7 @@ CONFIG_FSNOTIFY=y CONFIG_DNOTIFY=y CONFIG_INOTIFY_USER=y CONFIG_FANOTIFY=y +CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y CONFIG_QUOTA=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set @@ -5414,6 +5418,7 @@ CONFIG_NFSD_V2_ACL=y CONFIG_NFSD_V3=y CONFIG_NFSD_V3_ACL=y CONFIG_NFSD_V4=y +CONFIG_NFSD_V4_SECURITY_LABEL=y # CONFIG_NFSD_FAULT_INJECTION is not set CONFIG_LOCKD=m CONFIG_LOCKD_V4=y diff --git a/kernels/linux-libre-lts-grsec/config.x86_64 b/kernels/linux-libre-lts-grsec/config.x86_64 index 6596bc3b9..33a4b5c09 100644 --- a/kernels/linux-libre-lts-grsec/config.x86_64 +++ b/kernels/linux-libre-lts-grsec/config.x86_64 @@ -802,6 +802,7 @@ CONFIG_IPV6_GRE=m CONFIG_IPV6_MULTIPLE_TABLES=y CONFIG_IPV6_SUBTREES=y # CONFIG_IPV6_MROUTE is not set +CONFIG_NETLABEL=y CONFIG_NETWORK_SECMARK=y CONFIG_NETWORK_PHY_TIMESTAMPING=y CONFIG_NETFILTER=y @@ -1046,6 +1047,7 @@ CONFIG_IP_NF_TARGET_CLUSTERIP=m CONFIG_IP_NF_TARGET_ECN=m CONFIG_IP_NF_TARGET_TTL=m CONFIG_IP_NF_RAW=m +CONFIG_IP_NF_SECURITY=m CONFIG_IP_NF_ARPTABLES=m CONFIG_IP_NF_ARPFILTER=m CONFIG_IP_NF_ARP_MANGLE=m @@ -1075,6 +1077,7 @@ CONFIG_IP6_NF_TARGET_REJECT=m CONFIG_IP6_NF_TARGET_SYNPROXY=m CONFIG_IP6_NF_MANGLE=m CONFIG_IP6_NF_RAW=m +CONFIG_IP6_NF_SECURITY=m CONFIG_NF_NAT_IPV6=m CONFIG_IP6_NF_TARGET_MASQUERADE=m CONFIG_IP6_NF_TARGET_NPT=m @@ -5673,6 +5676,7 @@ CONFIG_FSNOTIFY=y CONFIG_DNOTIFY=y CONFIG_INOTIFY_USER=y CONFIG_FANOTIFY=y +CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y CONFIG_QUOTA=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set @@ -5828,6 +5832,7 @@ CONFIG_NFSD_V2_ACL=y CONFIG_NFSD_V3=y CONFIG_NFSD_V3_ACL=y CONFIG_NFSD_V4=y +CONFIG_NFSD_V4_SECURITY_LABEL=y # CONFIG_NFSD_FAULT_INJECTION is not set CONFIG_LOCKD=m CONFIG_LOCKD_V4=y -- cgit v1.2.3