path: root/libre-testing/uboot4extlinux-chiliboard/0005-chiliboard-support.patch

From 22efc5d711cf5a91a236b3a54f94cbcad0fc7b5e Mon Sep 17 00:00:00 2001
From: Kevin Mihelich <kevin@archlinuxarm.org>
Date: Sat, 29 Aug 2015 08:56:32 -0600
Subject: [PATCH 5/6] chiliboard support

---
 board/grinn/chiliboard/Makefile   |  13 +
 board/grinn/chiliboard/board.c    | 447 +++++++++++++++++++
 board/grinn/chiliboard/board.h    |  20 +
 board/grinn/chiliboard/mux.c      |  99 +++++
 board/grinn/chiliboard/u-boot.lds | 131 ++++++
 boards.cfg                        |   5 +
 drivers/mtd/nand/omap_gpmc.c      |   6 +-
 include/configs/chiliboard.h      | 878 ++++++++++++++++++++++++++++++++++++++
 8 files changed, 1597 insertions(+), 2 deletions(-)
 create mode 100644 board/grinn/chiliboard/Makefile
 create mode 100644 board/grinn/chiliboard/board.c
 create mode 100644 board/grinn/chiliboard/board.h
 create mode 100644 board/grinn/chiliboard/mux.c
 create mode 100644 board/grinn/chiliboard/u-boot.lds
 create mode 100644 include/configs/chiliboard.h

diff --git a/board/grinn/chiliboard/Makefile b/board/grinn/chiliboard/Makefile
new file mode 100644
index 0000000..804ac37
--- /dev/null
+++ b/board/grinn/chiliboard/Makefile
@@ -0,0 +1,13 @@
+#
+# Makefile
+#
+# Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+ifeq ($(CONFIG_SKIP_LOWLEVEL_INIT),)
+obj-y	:= mux.o
+endif
+
+obj-y	+= board.o
diff --git a/board/grinn/chiliboard/board.c b/board/grinn/chiliboard/board.c
new file mode 100644
index 0000000..ed8ab63
--- /dev/null
+++ b/board/grinn/chiliboard/board.c
@@ -0,0 +1,447 @@
+/*
+ * board.c
+ *
+ * Board functions for Grinn chiliboard, AM335X based boards
+ *
+ * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
+ *
+ * Copyright (C) 2015, Grinn - http://www.grinn-global.com
+ * Grzegorz Glomb, g.glomb@grinn-global.com
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <spl.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/omap.h>
+#include <asm/arch/ddr_defs.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/mmc_host_def.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/mem.h>
+#include <asm/io.h>
+#include <asm/emif.h>
+#include <asm/gpio.h>
+#include <i2c.h>
+#include <miiphy.h>
+#include <cpsw.h>
+#include <power/tps65217.h>
+#include <power/tps65910.h>
+#include <environment.h>
+#include <watchdog.h>
+#include <environment.h>
+#include "board.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+#define HDR_NAME_LEN		8
+
+static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
+
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+static const struct ddr_data ddr2_chilisom_gcs1_data = {
+	.datardsratio0 = ((MT47H128M16RT25E_RD_DQS<<30) |
+			  (MT47H128M16RT25E_RD_DQS<<20) |
+			  (MT47H128M16RT25E_RD_DQS<<10) |
+			  (MT47H128M16RT25E_RD_DQS<<0)),
+	.datawdsratio0 = ((MT47H128M16RT25E_WR_DQS<<30) |
+			  (MT47H128M16RT25E_WR_DQS<<20) |
+			  (MT47H128M16RT25E_WR_DQS<<10) |
+			  (MT47H128M16RT25E_WR_DQS<<0)),
+	.datawiratio0 = ((MT47H128M16RT25E_PHY_WRLVL<<30) |
+			 (MT47H128M16RT25E_PHY_WRLVL<<20) |
+			 (MT47H128M16RT25E_PHY_WRLVL<<10) |
+			 (MT47H128M16RT25E_PHY_WRLVL<<0)),
+	.datagiratio0 = ((MT47H128M16RT25E_PHY_GATELVL<<30) |
+			 (MT47H128M16RT25E_PHY_GATELVL<<20) |
+			 (MT47H128M16RT25E_PHY_GATELVL<<10) |
+			 (MT47H128M16RT25E_PHY_GATELVL<<0)),
+	.datafwsratio0 = ((MT47H128M16RT25E_PHY_FIFO_WE<<30) |
+			  (MT47H128M16RT25E_PHY_FIFO_WE<<20) |
+			  (MT47H128M16RT25E_PHY_FIFO_WE<<10) |
+			  (MT47H128M16RT25E_PHY_FIFO_WE<<0)),
+	.datawrsratio0 = ((MT47H128M16RT25E_PHY_WR_DATA<<30) |
+			  (MT47H128M16RT25E_PHY_WR_DATA<<20) |
+			  (MT47H128M16RT25E_PHY_WR_DATA<<10) |
+			  (MT47H128M16RT25E_PHY_WR_DATA<<0)),
+};
+
+static const struct cmd_control ddr2_chilisom_gcs1_cmd_ctrl_data = {
+	.cmd0csratio = MT47H128M16RT25E_RATIO,
+	.cmd0iclkout = MT47H128M16RT25E_INVERT_CLKOUT,
+
+	.cmd1csratio = MT47H128M16RT25E_RATIO,
+	.cmd1iclkout = MT47H128M16RT25E_INVERT_CLKOUT,
+
+	.cmd2csratio = MT47H128M16RT25E_RATIO,
+	.cmd2iclkout = MT47H128M16RT25E_INVERT_CLKOUT,
+};
+
+static const struct emif_regs ddr2_chilisom_gcs1_emif_reg_data = {
+	.sdram_config = MT47H128M16RT25E_EMIF_SDCFG,
+	.ref_ctrl = MT47H128M16RT25E_EMIF_SDREF,
+	.sdram_tim1 = MT47H128M16RT25E_EMIF_TIM1,
+	.sdram_tim2 = MT47H128M16RT25E_EMIF_TIM2,
+	.sdram_tim3 = MT47H128M16RT25E_EMIF_TIM3,
+	.emif_ddr_phy_ctlr_1 = MT47H128M16RT25E_EMIF_READ_LATENCY,
+};
+
+static const struct ddr_data ddr3_chilisom_gcs2_data = {
+	.datardsratio0 = MT41K256M16HA125E_RD_DQS,
+	.datawdsratio0 = MT41K256M16HA125E_WR_DQS,
+	.datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE,
+	.datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA,
+};
+
+static const struct cmd_control ddr3_chilisom_gcs2_cmd_ctrl_data = {
+	.cmd0csratio = MT41K256M16HA125E_RATIO,
+	.cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
+
+	.cmd1csratio = MT41K256M16HA125E_RATIO,
+	.cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
+
+	.cmd2csratio = MT41K256M16HA125E_RATIO,
+	.cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
+};
+
+static struct emif_regs ddr3_chilisom_gcs2_emif_reg_data = {
+	.sdram_config = MT41K256M16HA125E_EMIF_SDCFG,
+	.ref_ctrl = MT41K256M16HA125E_EMIF_SDREF,
+	.sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1,
+	.sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2,
+	.sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3,
+	.zq_config = MT41K256M16HA125E_ZQ_CFG,
+	.emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY,
+};
+
+#ifdef CONFIG_SPL_OS_BOOT
+int spl_start_uboot(void)
+{
+	/* break into full u-boot on 'c' */
+	if (serial_tstc() && serial_getc() == 'c')
+		return 1;
+
+#ifdef CONFIG_SPL_ENV_SUPPORT
+	env_init();
+	env_relocate_spec();
+	if (getenv_yesno("boot_os") != 1)
+		return 1;
+#endif
+
+	return 0;
+}
+#endif
+
+#define OSC	(V_OSCK/1000000)
+const struct dpll_params dpll_ddr_chilisom_gcs1 = {
+		266, OSC-1, 1, -1, -1, -1, -1};
+const struct dpll_params dpll_ddr_chilisom_gcs2 = {
+		400, OSC-1, 1, -1, -1, -1, -1};
+
+void am33xx_spl_board_init(void)
+{
+	int mpu_vdd;
+
+	dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
+
+	int usb_cur_lim;
+
+	if (i2c_probe(TPS65217_CHIP_PM))
+		return;
+
+	uchar pmic_status_reg;
+	if (tps65217_reg_read(TPS65217_STATUS, &pmic_status_reg))
+		return;
+	if (!(pmic_status_reg & TPS65217_PWR_SRC_AC_BITMASK)) {
+		puts("No AC power, disabling frequency switch\n");
+		return;
+	}
+
+	/*
+	 * Increase USB current limit to 1300mA or 1800mA and set
+	 * the MPU voltage controller as needed.
+	 */
+	if (dpll_mpu_opp100.m == MPUPLL_M_1000) {
+		usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
+		mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
+	} else {
+		usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
+		mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
+	}
+
+	if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
+			       TPS65217_POWER_PATH,
+			       usb_cur_lim,
+			       TPS65217_USB_INPUT_CUR_LIMIT_MASK))
+		puts("tps65217_reg_write failure\n");
+
+	/* Set DCDC3 (CORE) voltage to 1.125V */
+	if (tps65217_voltage_update(TPS65217_DEFDCDC3,
+				    TPS65217_DCDC_VOLT_SEL_1125MV)) {
+		puts("tps65217_voltage_update failure\n");
+		return;
+	}
+
+	do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
+	if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
+		puts("tps65217_voltage_update failure\n");
+		return;
+	}
+
+	/* Set LDO3, LDO4 output voltage to 3.3V for GCS1.
+	 * Set LDO3 to 1.8V and LDO4 to 3.3V for GCS2. */
+
+	#ifdef CONFIG_CHILISOM_GCS2
+		if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
+				       TPS65217_DEFLS1,
+				       TPS65217_LDO_VOLTAGE_OUT_1_8,
+				       TPS65217_LDO_MASK))
+			puts("tps65217_reg_write failure\n");
+		if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
+				       TPS65217_DEFLS2,
+				       TPS65217_LDO_VOLTAGE_OUT_3_3,
+				       TPS65217_LDO_MASK))
+			puts("tps65217_reg_write failure\n");
+	#else
+
+		if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
+				       TPS65217_DEFLS1,
+				       TPS65217_LDO_VOLTAGE_OUT_3_3,
+				       TPS65217_LDO_MASK))
+			puts("tps65217_reg_write failure\n");
+		if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
+				       TPS65217_DEFLS2,
+				       TPS65217_LDO_VOLTAGE_OUT_3_3,
+				       TPS65217_LDO_MASK))
+			puts("tps65217_reg_write failure\n");
+	#endif
+
+	do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
+}
+
+const struct dpll_params *get_dpll_ddr_params(void)
+{
+	enable_i2c0_pin_mux();
+	i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
+
+#ifndef CONFIG_CHILISOM_GCS2
+	return &dpll_ddr_chilisom_gcs1;
+#else
+	return &dpll_ddr_chilisom_gcs2;
+#endif
+}
+
+void set_uart_mux_conf(void)
+{
+#ifdef CONFIG_SERIAL1
+	enable_uart0_pin_mux();
+#endif /* CONFIG_SERIAL1 */
+}
+
+void set_mux_conf_regs(void)
+{
+	enable_board_pin_mux();
+}
+
+const struct ctrl_ioregs ioregs_chilisom_gcs1 = {
+	.cm0ioctl		= MT47H128M16RT25E_IOCTRL_VALUE,
+	.cm1ioctl		= MT47H128M16RT25E_IOCTRL_VALUE,
+	.cm2ioctl		= MT47H128M16RT25E_IOCTRL_VALUE,
+	.dt0ioctl		= MT47H128M16RT25E_IOCTRL_VALUE,
+	.dt1ioctl		= MT47H128M16RT25E_IOCTRL_VALUE,
+};
+
+const struct ctrl_ioregs ioregs_chilisom_gcs2 = {
+	.cm0ioctl		= MT41K256M16HA125E_IOCTRL_VALUE,
+	.cm1ioctl		= MT41K256M16HA125E_IOCTRL_VALUE,
+	.cm2ioctl		= MT41K256M16HA125E_IOCTRL_VALUE,
+	.dt0ioctl		= MT41K256M16HA125E_IOCTRL_VALUE,
+	.dt1ioctl		= MT41K256M16HA125E_IOCTRL_VALUE,
+};
+
+void sdram_init(void)
+{
+#ifndef CONFIG_CHILISOM_GCS2
+	config_ddr(266, &ioregs_chilisom_gcs1,
+		   &ddr2_chilisom_gcs1_data,
+		   &ddr2_chilisom_gcs1_cmd_ctrl_data,
+		   &ddr2_chilisom_gcs1_emif_reg_data, 0);
+#else
+	config_ddr(400, &ioregs_chilisom_gcs2,
+		   &ddr3_chilisom_gcs2_data,
+		   &ddr3_chilisom_gcs2_cmd_ctrl_data,
+		   &ddr3_chilisom_gcs2_emif_reg_data, 0);
+#endif
+}
+#endif
+
+/*
+ * Basic board specific setup.  Pinmux has been handled already.
+ */
+int board_init(void)
+{
+#if defined(CONFIG_HW_WATCHDOG)
+	hw_watchdog_init();
+#endif
+
+	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+#if defined(CONFIG_NOR) || defined(CONFIG_NAND)
+	gpmc_init();
+#endif
+	return 0;
+}
+
+#ifdef CONFIG_BOARD_LATE_INIT
+int board_late_init(void)
+{
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+	char safe_string[HDR_NAME_LEN + 1];
+
+	/* Now set variables based on the header. */
+	strncpy(safe_string, (char *)"CHILISOM", 8);
+	safe_string[8] = 0;
+	setenv("board_name", safe_string);
+
+#ifndef CONFIG_CHILISOM_GCS2
+	strncpy(safe_string, (char *)"1.1", 3);
+	safe_string[3] = 0;
+	setenv("board_rev", safe_string);
+#else
+	strncpy(safe_string, (char *)"2.2", 3);
+	safe_string[3] = 0;
+	setenv("board_rev", safe_string);
+#endif
+#endif
+	return 0;
+}
+#endif
+
+#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
+	(defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
+static void cpsw_control(int enabled)
+{
+	/* VTP can be added here */
+
+	return;
+}
+
+static struct cpsw_slave_data cpsw_slaves[] = {
+	{
+		.slave_reg_ofs	= 0x208,
+		.sliver_reg_ofs	= 0xd80,
+		.phy_addr	= 0,
+	},
+	{
+		.slave_reg_ofs	= 0x308,
+		.sliver_reg_ofs	= 0xdc0,
+		.phy_addr	= 1,
+	},
+};
+
+static struct cpsw_platform_data cpsw_data = {
+	.mdio_base		= CPSW_MDIO_BASE,
+	.cpsw_base		= CPSW_BASE,
+	.mdio_div		= 0xff,
+	.channels		= 8,
+	.cpdma_reg_ofs		= 0x800,
+	.slaves			= 1,
+	.slave_data		= cpsw_slaves,
+	.ale_reg_ofs		= 0xd00,
+	.ale_entries		= 1024,
+	.host_port_reg_ofs	= 0x108,
+	.hw_stats_reg_ofs	= 0x900,
+	.bd_ram_ofs		= 0x2000,
+	.mac_control		= (1 << 5),
+	.control		= cpsw_control,
+	.host_port_num		= 0,
+	.version		= CPSW_CTRL_VERSION_2,
+};
+#endif
+
+/*
+ * This function will:
+ * Read the eFuse for MAC addresses, and set ethaddr/eth1addr/usbnet_devaddr
+ * in the environment
+ * Perform fixups to the PHY present on certain boards.  We only need this
+ * function in:
+ * - SPL with either CPSW or USB ethernet support
+ * - Full U-Boot, with either CPSW or USB ethernet
+ * Build in only these cases to avoid warnings about unused variables
+ * when we build an SPL that has neither option but full U-Boot will.
+ */
+
+#if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USBETH_SUPPORT)) \
+		&& defined(CONFIG_SPL_BUILD)) || \
+	((defined(CONFIG_DRIVER_TI_CPSW) || \
+	  defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)) && \
+	 !defined(CONFIG_SPL_BUILD))
+int board_eth_init(bd_t *bis)
+{
+	int rv, n = 0;
+	uint8_t mac_addr[6];
+	uint32_t mac_hi, mac_lo;
+
+	/* try reading mac address from efuse */
+	mac_lo = readl(&cdev->macid0l);
+	mac_hi = readl(&cdev->macid0h);
+	mac_addr[0] = mac_hi & 0xFF;
+	mac_addr[1] = (mac_hi & 0xFF00) >> 8;
+	mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
+	mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
+	mac_addr[4] = mac_lo & 0xFF;
+	mac_addr[5] = (mac_lo & 0xFF00) >> 8;
+
+#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
+	(defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
+	if (!getenv("ethaddr")) {
+		printf("<ethaddr> not set. Validating first E-fuse MAC\n");
+
+		if (is_valid_ether_addr(mac_addr))
+			eth_setenv_enetaddr("ethaddr", mac_addr);
+	}
+
+#ifdef CONFIG_DRIVER_TI_CPSW
+
+	mac_lo = readl(&cdev->macid1l);
+	mac_hi = readl(&cdev->macid1h);
+	mac_addr[0] = mac_hi & 0xFF;
+	mac_addr[1] = (mac_hi & 0xFF00) >> 8;
+	mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
+	mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
+	mac_addr[4] = mac_lo & 0xFF;
+	mac_addr[5] = (mac_lo & 0xFF00) >> 8;
+
+	if (!getenv("eth1addr")) {
+		if (is_valid_ether_addr(mac_addr))
+			eth_setenv_enetaddr("eth1addr", mac_addr);
+	}
+
+	/* writel(MII_MODE_ENABLE, &cdev->miisel); */
+	writel(RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE, &cdev->miisel);
+
+	cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if = PHY_INTERFACE_MODE_RMII;
+
+	rv = cpsw_register(&cpsw_data);
+	if (rv < 0)
+		printf("Error %d registering CPSW switch\n", rv);
+	else
+		n += rv;
+#endif
+#endif
+#if defined(CONFIG_USB_ETHER) && \
+	(!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT))
+	if (is_valid_ether_addr(mac_addr))
+		eth_setenv_enetaddr("usbnet_devaddr", mac_addr);
+
+	rv = usb_eth_initialize(bis);
+	if (rv < 0)
+		printf("Error %d registering USB_ETHER\n", rv);
+	else
+		n += rv;
+#endif
+	return n;
+}
+#endif
diff --git a/board/grinn/chiliboard/board.h b/board/grinn/chiliboard/board.h
new file mode 100644
index 0000000..6753e74
--- /dev/null
+++ b/board/grinn/chiliboard/board.h
@@ -0,0 +1,20 @@
+/*
+ * board.h
+ *
+ * Grinn AM335x boards information header
+ *
+ * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
+ *
+ * Copyright (C) 2015, Grinn - http://www.grinn-global.com
+ * Grzegorz Glomb, g.glomb@grinn-global.com
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _BOARD_H_
+#define _BOARD_H_
+
+void enable_uart0_pin_mux(void);
+void enable_i2c0_pin_mux(void);
+void enable_board_pin_mux(void);
+#endif
diff --git a/board/grinn/chiliboard/mux.c b/board/grinn/chiliboard/mux.c
new file mode 100644
index 0000000..644f211
--- /dev/null
+++ b/board/grinn/chiliboard/mux.c
@@ -0,0 +1,99 @@
+/*
+ * mux.c
+ *
+ * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
+ *
+ * Copyright (C) 2015, Grinn - http://www.grinn-global.com
+ * Grzegorz Glomb, g.glomb@grinn-global.com
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/mux.h>
+#include <asm/io.h>
+#include <i2c.h>
+#include "board.h"
+
+static struct module_pin_mux uart0_pin_mux[] = {
+	{OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* UART0_RXD */
+	{OFFSET(uart0_txd), (MODE(0) | PULLUDEN)},		/* UART0_TXD */
+	{-1},
+};
+
+static struct module_pin_mux mmc0_pin_mux[] = {
+	{OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT3 */
+	{OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT2 */
+	{OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT1 */
+	{OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT0 */
+	{OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_CLK */
+	{OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_CMD */
+	{-1},
+};
+
+static struct module_pin_mux i2c0_pin_mux[] = {
+	{OFFSET(i2c0_sda), (MODE(0) | RXACTIVE |
+			PULLUDEN | SLEWCTRL)}, /* I2C_DATA */
+	{OFFSET(i2c0_scl), (MODE(0) | RXACTIVE |
+			PULLUDEN | SLEWCTRL)}, /* I2C_SCLK */
+	{-1},
+};
+
+static struct module_pin_mux rmii1_pin_mux[] = {
+	{OFFSET(mii1_crs), MODE(1) | RXACTIVE},		/* RMII1_CRS */
+	{OFFSET(mii1_rxerr), MODE(1) | RXACTIVE},	/* RMII1_RXERR */
+	{OFFSET(mii1_txen), MODE(1)},			/* RMII1_TXEN */
+	{OFFSET(mii1_txd1), MODE(1)},			/* RMII1_TXD1 */
+	{OFFSET(mii1_txd0), MODE(1)},			/* RMII1_TXD0 */
+	{OFFSET(mii1_rxd1), MODE(1) | RXACTIVE},	/* RMII1_RXD1 */
+	{OFFSET(mii1_rxd0), MODE(1) | RXACTIVE},	/* RMII1_RXD0 */
+	{OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN}, /* MDIO_DATA */
+	{OFFSET(mdio_clk), MODE(0) | PULLUP_EN},	/* MDIO_CLK */
+	{OFFSET(rmii1_refclk), MODE(0) | RXACTIVE},	/* RMII1_REFCLK */
+	{-1},
+};
+
+static struct module_pin_mux nand_pin_mux[] = {
+	{OFFSET(gpmc_ad0), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD0 */
+	{OFFSET(gpmc_ad1), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD1 */
+	{OFFSET(gpmc_ad2), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD2 */
+	{OFFSET(gpmc_ad3), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD3 */
+	{OFFSET(gpmc_ad4), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD4 */
+	{OFFSET(gpmc_ad5), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD5 */
+	{OFFSET(gpmc_ad6), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD6 */
+	{OFFSET(gpmc_ad7), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD7 */
+	{OFFSET(gpmc_wait0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* NAND WAIT */
+	{OFFSET(gpmc_wpn), (MODE(7) | PULLUP_EN | RXACTIVE)},	/* NAND_WPN */
+	{OFFSET(gpmc_csn0), (MODE(0) | PULLUDEN)},	/* NAND_CS0 */
+	{OFFSET(gpmc_advn_ale), (MODE(0) | PULLUDEN)}, /* NAND_ADV_ALE */
+	{OFFSET(gpmc_oen_ren), (MODE(0) | PULLUDEN)},	/* NAND_OE */
+	{OFFSET(gpmc_wen), (MODE(0) | PULLUDEN)},	/* NAND_WEN */
+	{OFFSET(gpmc_be0n_cle), (MODE(0) | PULLUDEN)},	/* NAND_BE_CLE */
+	{-1},
+};
+
+void enable_uart0_pin_mux(void)
+{
+	configure_module_pin_mux(uart0_pin_mux);
+}
+
+void enable_i2c0_pin_mux(void)
+{
+	configure_module_pin_mux(i2c0_pin_mux);
+}
+
+void enable_board_pin_mux(void)
+{
+	/* chiliboard pinmux */
+	configure_module_pin_mux(rmii1_pin_mux);
+	configure_module_pin_mux(nand_pin_mux);
+	configure_module_pin_mux(mmc0_pin_mux);
+
+#ifndef CONFIG_CHILISOM_GCS2
+	puts("Configuration for Chilisom GCS1\n");
+#else
+	puts("Configuration for Chilisom GCS2\n");
+#endif
+}
diff --git a/board/grinn/chiliboard/u-boot.lds b/board/grinn/chiliboard/u-boot.lds
new file mode 100644
index 0000000..bf70d88
--- /dev/null
+++ b/board/grinn/chiliboard/u-boot.lds
@@ -0,0 +1,131 @@
+/*
+ * Copyright (c) 2004-2008 Texas Instruments
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * Copyright (C) 2015, Grinn - http://www.grinn-global.com
+ * Grzegorz Glomb, g.glomb@grinn-global.com
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+	. = 0x00000000;
+
+	. = ALIGN(4);
+	.text :
+	{
+		*(.__image_copy_start)
+		*(.vectors)
+		CPUDIR/start.o (.text*)
+		board/grinn/chiliboard/built-in.o (.text*)
+		*(.text*)
+	}
+
+	. = ALIGN(4);
+	.rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
+
+	. = ALIGN(4);
+	.data : {
+		*(.data*)
+	}
+
+	. = ALIGN(4);
+
+	. = .;
+
+	. = ALIGN(4);
+	.u_boot_list : {
+		KEEP(*(SORT(.u_boot_list*)));
+	}
+
+	. = ALIGN(4);
+
+	.image_copy_end :
+	{
+		*(.__image_copy_end)
+	}
+
+	.rel_dyn_start :
+	{
+		*(.__rel_dyn_start)
+	}
+
+	.rel.dyn : {
+		*(.rel*)
+	}
+
+	.rel_dyn_end :
+	{
+		*(.__rel_dyn_end)
+	}
+
+	.hash : { *(.hash*) }
+
+	.end :
+	{
+		*(.__end)
+	}
+
+	_image_binary_end = .;
+
+	/*
+	 * Deprecated: this MMU section is used by pxa at present but
+	 * should not be used by new boards/CPUs.
+	 */
+	. = ALIGN(4096);
+	.mmutable : {
+		*(.mmutable)
+	}
+
+/*
+ * Compiler-generated __bss_start and __bss_end, see arch/arm/lib/bss.c
+ * __bss_base and __bss_limit are for linker only (overlay ordering)
+ */
+
+	.bss_start __rel_dyn_start (OVERLAY) : {
+		KEEP(*(.__bss_start));
+		__bss_base = .;
+	}
+
+	.bss __bss_base (OVERLAY) : {
+		*(.bss*)
+		 . = ALIGN(4);
+		 __bss_limit = .;
+	}
+
+	.bss_end __bss_limit (OVERLAY) : {
+		KEEP(*(.__bss_end));
+	}
+
+	.dynsym _image_binary_end : { *(.dynsym) }
+	.dynbss : { *(.dynbss) }
+	.dynstr : { *(.dynstr*) }
+	.dynamic : { *(.dynamic*) }
+	.gnu.hash : { *(.gnu.hash) }
+	.plt : { *(.plt*) }
+	.interp : { *(.interp*) }
+	.gnu : { *(.gnu*) }
+	.ARM.exidx : { *(.ARM.exidx*) }
+}
diff --git a/boards.cfg b/boards.cfg
index 1ba2081..b432704 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -258,6 +258,11 @@ Active  arm         armv7          am33xx      BuR             tseries
 Active  arm         armv7          am33xx      BuR             tseries             tseries_nand                          tseries:SERIAL1,CONS_INDEX=1,NAND                                                                                                 Hannes Petermaier <hannes.petermaier@br-automation.com>
 Active  arm         armv7          am33xx      BuR             tseries             tseries_spi                           tseries:SERIAL1,CONS_INDEX=1,SPI_BOOT,EMMC_BOOT                                                                                   Hannes Petermaier <hannes.petermaier@br-automation.com>
 Active  arm         armv7          am33xx      compulab        cm_t335             cm_t335                               -                                                                                                                                 Igor Grinberg <grinberg@compulab.co.il>
+Active  arm         armv7          am33xx      grinn           chiliboard          chiliboard_ram128m                    chiliboard:CHILISOM_GCS2,NAND,RAM128MB                                                                                            Grzegorz Glomb <g.glomb@grinn-global.com>
+Active  arm         armv7          am33xx      grinn           chiliboard          chiliboard_nand0m_ram128m             chiliboard:CHILISOM_GCS2,RAM128MB                                                                                                 Grzegorz Glomb <g.glomb@grinn-global.com>
+Active  arm         armv7          am33xx      grinn           chiliboard          chiliboard_nand512m                   chiliboard:CHILISOM_GCS2,NAND,NAND512MB                                                                                           Grzegorz Glomb <g.glomb@grinn-global.com>
+Active  arm         armv7          am33xx      grinn           chiliboard          chiliboard_nand0m                     chiliboard:CHILISOM_GCS2                                                                                                          Grzegorz Glomb <g.glomb@grinn-global.com>
+Active  arm         armv7          am33xx      grinn           chiliboard          chiliboard                            chiliboard:CHILISOM_GCS2,NAND                                                                                                     Grzegorz Glomb <g.glomb@grinn-global.com>
 Active  arm         armv7          am33xx      gumstix         pepper              pepper                                -                                                                                                                                 Ash Charles <ash@gumstix.com>
 Active  arm         armv7          am33xx      isee            igep0033            am335x_igep0033                       -                                                                                                                                 Enric Balletbo i Serra <eballetbo@iseebcn.com>
 Active  arm         armv7          am33xx      phytec          pcm051              pcm051_rev1                           pcm051:REV1                                                                                                                       Lars Poeschel <poeschel@lemonage.de>
diff --git a/drivers/mtd/nand/omap_gpmc.c b/drivers/mtd/nand/omap_gpmc.c
index 1acf06b..0c9cde3 100644
--- a/drivers/mtd/nand/omap_gpmc.c
+++ b/drivers/mtd/nand/omap_gpmc.c
@@ -478,11 +478,13 @@ static int omap_read_page_bch(struct mtd_info *mtd, struct nand_chip *chip,
 				oob += eccbytes) {
 		chip->ecc.hwctl(mtd, NAND_ECC_READ);
 		/* read data */
-		chip->cmdfunc(mtd, NAND_CMD_RNDOUT, data_pos, page);
+		/* chip->cmdfunc(mtd, NAND_CMD_RNDOUT, data_pos, page); */
+		chip->cmdfunc(mtd, NAND_CMD_RNDOUT, data_pos, -1);
 		chip->read_buf(mtd, p, eccsize);
 
 		/* read respective ecc from oob area */
-		chip->cmdfunc(mtd, NAND_CMD_RNDOUT, oob_pos, page);
+		/* chip->cmdfunc(mtd, NAND_CMD_RNDOUT, oob_pos, page); */
+		chip->cmdfunc(mtd, NAND_CMD_RNDOUT, oob_pos, -1);
 		chip->read_buf(mtd, oob, eccbytes);
 		/* read syndrome */
 		chip->ecc.calculate(mtd, p, &ecc_calc[i]);
diff --git a/include/configs/chiliboard.h b/include/configs/chiliboard.h
new file mode 100644
index 0000000..eacc9af
--- /dev/null
+++ b/include/configs/chiliboard.h
@@ -0,0 +1,878 @@
+/*
+ * chiliboard.h
+ *
+ * Grinn chiliboard configuration header
+ *
+ * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
+ *
+ * Copyright (C) 2015, Grinn - http://www.grinn-global.com
+ * Grzegorz Glomb, g.glomb@grinn-global.com
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_CHILIBOARD_H
+#define __CONFIG_CHILIBOARD_H
+
+#define CONFIG_AM33XX
+#define CONFIG_ARCH_CPU_INIT
+#define CONFIG_SYS_CACHELINE_SIZE       64
+#define CONFIG_MAX_RAM_BANK_SIZE	(1024 << 20)	/* 1GB */
+#define CONFIG_SYS_TIMERBASE		0x48040000	/* Use Timer2 */
+#define CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC
+
+#include <asm/arch/omap.h>
+
+/* NS16550 Configuration */
+#define CONFIG_SYS_NS16550
+#define CONFIG_SYS_NS16550_SERIAL
+#define CONFIG_SYS_NS16550_REG_SIZE	(-4)
+#define CONFIG_SYS_NS16550_CLK		48000000
+
+/* Network defines. */
+#define CONFIG_CMD_NET			/* 'bootp' and 'tftp' */
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_MII
+#define CONFIG_BOOTP_DNS		/* Configurable parts of CMD_DHCP */
+#define CONFIG_BOOTP_DNS2
+#define CONFIG_BOOTP_SEND_HOSTNAME
+#define CONFIG_BOOTP_GATEWAY
+#define CONFIG_BOOTP_SUBNETMASK
+#define CONFIG_NET_RETRY_COUNT         10
+#define CONFIG_CMD_PING
+#define CONFIG_DRIVER_TI_CPSW		/* Driver for IP block */
+#define CONFIG_MII			/* Required in net/eth.c */
+
+/*
+ * RTC related defines. To use bootcount you must set bootlimit in the
+ * environment to a non-zero value and enable CONFIG_BOOTCOUNT_LIMIT
+ * in the board config.
+ */
+#define CONFIG_SYS_BOOTCOUNT_ADDR	0x44E3E000
+
+/* Enable the HW watchdog, since we can use this with bootcount */
+#define CONFIG_HW_WATCHDOG
+#define CONFIG_OMAP_WATCHDOG
+
+/*
+ * SPL related defines.  The Public RAM memory map the ROM defines the
+ * area between 0x402F0400 and 0x4030B800 as a download area and
+ * 0x4030B800 to 0x4030CE00 as a public stack area.  The ROM also
+ * supports X-MODEM loading via UART, and we leverage this and then use
+ * Y-MODEM to load u-boot.img, when booted over UART.
+ */
+#define CONFIG_SPL_TEXT_BASE		0x402F0400
+#define CONFIG_SPL_MAX_SIZE		(0x4030B800 - CONFIG_SPL_TEXT_BASE)
+#define CONFIG_SYS_SPL_ARGS_ADDR	(CONFIG_SYS_SDRAM_BASE + \
+					 (128 << 20))
+
+/* Enable the watchdog inside of SPL */
+#define CONFIG_SPL_WATCHDOG_SUPPORT
+
+/*
+ * Since SPL did pll and ddr initialization for us,
+ * we don't need to do it twice.
+ */
+#if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT)
+#define CONFIG_SKIP_LOWLEVEL_INIT
+#endif
+
+/*
+ * When building U-Boot such that there is no previous loader
+ * we need to call board_early_init_f.  This is taken care of in
+ * s_init when we have SPL used.
+ */
+#if !defined(CONFIG_SKIP_LOWLEVEL_INIT) && !defined(CONFIG_SPL)
+#define CONFIG_BOARD_EARLY_INIT_F
+#endif
+
+#ifdef CONFIG_NAND
+#define CONFIG_SPL_NAND_AM33XX_BCH	/* ELM support */
+#endif
+
+/* Common define for many platforms. */
+#define CONFIG_OMAP
+#define CONFIG_OMAP_COMMON
+#define CONFIG_SYS_GENERIC_BOARD
+
+/*
+ * We typically do not contain NOR flash.  In the cases where we do, we
+ * undefine this later.
+ */
+#define CONFIG_SYS_NO_FLASH
+
+/* Support both device trees and ATAGs. */
+#define CONFIG_OF_LIBFDT
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_INITRD_TAG
+
+/*
+ * Our DDR memory always starts at 0x80000000 and U-Boot shall have
+ * relocated itself to higher in memory by the time this value is used.
+ * However, set this to a 32MB offset to allow for easier Linux kernel
+ * booting as the default is often used as the kernel load address.
+ */
+#define CONFIG_SYS_LOAD_ADDR		0x82000000
+
+/*
+ * We setup defaults based on constraints from the Linux kernel, which should
+ * also be safe elsewhere.  We have the default load at 32MB into DDR (for
+ * the kernel), FDT above 128MB (the maximum location for the end of the
+ * kernel), and the ramdisk 512KB above that (allowing for hopefully never
+ * seen large trees).  We say all of this must be within the first 256MB
+ * as that will normally be within the kernel lowmem and thus visible via
+ * bootm_size and we only run on platforms with 256MB or more of memory.
+ */
+#ifdef CONFIG_RAM128MB
+#define DEFAULT_LINUX_BOOT_ENV \
+	"loadaddr=0x82000000\0" \
+	"kernel_addr_r=0x82000000\0" \
+	"fdtaddr=0x84000000\0" \
+	"fdt_addr_r=0x84000000\0" \
+	"rdaddr=0x84080000\0" \
+	"ramdisk_addr_r=0x84080000\0" \
+	"bootm_size=0x8000000\0"
+#else
+#define DEFAULT_LINUX_BOOT_ENV \
+	"loadaddr=0x82000000\0" \
+	"kernel_addr_r=0x82000000\0" \
+	"fdtaddr=0x88000000\0" \
+	"fdt_addr_r=0x88000000\0" \
+	"rdaddr=0x88080000\0" \
+	"ramdisk_addr_r=0x88080000\0" \
+	"bootm_size=0x10000000\0"
+#endif
+
+/*
+ * Default to a quick boot delay.
+ */
+#define CONFIG_BOOTDELAY		1
+
+/*
+ * DDR information.  If the CONFIG_NR_DRAM_BANKS is not defined,
+ * we say (for simplicity) that we have 1 bank, always, even when
+ * we have more.  We always start at 0x80000000, and we place the
+ * initial stack pointer in our SRAM. Otherwise, we can define
+ * CONFIG_NR_DRAM_BANKS before including this file.
+ */
+#ifndef CONFIG_NR_DRAM_BANKS
+#define CONFIG_NR_DRAM_BANKS		1
+#endif
+#define CONFIG_SYS_SDRAM_BASE		0x80000000
+#define CONFIG_SYS_INIT_SP_ADDR         (NON_SECURE_SRAM_END - \
+						GENERATED_GBL_DATA_SIZE)
+
+/* Timer information. */
+#define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
+
+/* I2C IP block */
+#define CONFIG_I2C
+#define CONFIG_CMD_I2C
+#define CONFIG_SYS_I2C
+#define CONFIG_SYS_OMAP24_I2C_SPEED	100000
+#define CONFIG_SYS_OMAP24_I2C_SLAVE	1
+#define CONFIG_SYS_I2C_OMAP24XX
+
+/* MMC/SD IP block */
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_OMAP_HSMMC
+#define CONFIG_CMD_MMC
+
+/* McSPI IP block */
+#define CONFIG_SPI
+#define CONFIG_OMAP3_SPI
+#define CONFIG_CMD_SPI
+
+/* GPIO block */
+#define CONFIG_OMAP_GPIO
+#define CONFIG_CMD_GPIO
+
+/*
+ * GPMC NAND block.  We support 1 device and the physical address to
+ * access CS0 at is 0x8000000.
+ */
+#ifdef CONFIG_NAND
+#define CONFIG_NAND_OMAP_GPMC
+#ifndef CONFIG_SYS_NAND_BASE
+#define CONFIG_SYS_NAND_BASE		0x8000000
+#endif
+#define CONFIG_SYS_MAX_NAND_DEVICE	1
+#define CONFIG_CMD_NAND
+#endif
+
+/*
+ * The following are general good-enough settings for U-Boot.  We set a
+ * large malloc pool as we generally have a lot of DDR, and we opt for
+ * function over binary size in the main portion of U-Boot as this is
+ * generally easily constrained later if needed.  We enable the config
+ * options that give us information in the environment about what board
+ * we are on so we do not need to rely on the command prompt.  We set a
+ * console baudrate of 115200 and use the default baud rate table.
+ */
+#define CONFIG_SYS_MALLOC_LEN		(16 << 20)
+#define CONFIG_SYS_HUSH_PARSER
+#define CONFIG_SYS_PROMPT		"U-Boot# "
+#define CONFIG_SYS_CONSOLE_INFO_QUIET
+#define CONFIG_BAUDRATE			115200
+#define CONFIG_ENV_VARS_UBOOT_CONFIG	/* Strongly encouraged */
+#define CONFIG_ENV_OVERWRITE		/* Overwrite ethaddr / serial# */
+
+/* As stated above, the following choices are optional. */
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_VERSION_VARIABLE
+
+/* We set the max number of command args high to avoid HUSH bugs. */
+#define CONFIG_SYS_MAXARGS		64
+
+/* Console I/O Buffer Size */
+#define CONFIG_SYS_CBSIZE		512
+/* Print Buffer Size */
+#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE \
+					+ sizeof(CONFIG_SYS_PROMPT) + 16)
+/* Boot Argument Buffer Size */
+#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
+
+/*
+ * When we have SPI, NOR or NAND flash we expect to be making use of
+ * mtdparts, both for ease of use in U-Boot and for passing information
+ * on to the Linux kernel.
+ */
+#if defined(CONFIG_SPI_BOOT) || defined(CONFIG_NOR) || defined(CONFIG_NAND)
+#define CONFIG_MTD_DEVICE		/* Required for mtdparts */
+#define CONFIG_CMD_MTDPARTS
+#endif
+
+/*
+ * For commands to use, we take the default list and add a few other
+ * useful commands.  Note that we must have set CONFIG_SYS_NO_FLASH
+ * prior to this include, in order to skip a few commands.  When we do
+ * have flash, if we expect these commands they must be enabled in that
+ * config.  If desired, a specific list of desired commands can be used
+ * instead.
+ */
+#include <config_cmd_default.h>
+#define CONFIG_CMD_ASKENV
+#define CONFIG_CMD_ECHO
+#define CONFIG_CMD_BOOTZ
+
+/*
+ * Common filesystems support.  When we have removable storage we
+ * enabled a number of useful commands and support.
+ */
+#if defined(CONFIG_MMC) || defined(CONFIG_USB_STORAGE)
+#define CONFIG_DOS_PARTITION
+#define CONFIG_CMD_FAT
+#define CONFIG_FAT_WRITE
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_EXT4
+#define CONFIG_CMD_FS_GENERIC
+#endif
+
+/*
+ * Our platforms make use of SPL to initalize the hardware (primarily
+ * memory) enough for full U-Boot to be loaded.  We also support Falcon
+ * Mode so that the Linux kernel can be booted directly from SPL
+ * instead, if desired.  We make use of the general SPL framework found
+ * under common/spl/.  Given our generally common memory map, we set a
+ * number of related defaults and sizes here.
+ */
+#if !defined(CONFIG_NOR_BOOT) && \
+	!(defined(CONFIG_QSPI_BOOT) && defined(CONFIG_AM43XX))
+#define CONFIG_SPL
+#define CONFIG_SPL_FRAMEWORK
+#define CONFIG_SPL_OS_BOOT
+
+/*
+ * Place the image at the start of the ROM defined image space.
+ * We limit our size to the ROM-defined downloaded image area, and use the
+ * rest of the space for stack.  We load U-Boot itself into memory at
+ * 0x80800000 for legacy reasons (to not conflict with older SPLs).  We
+ * have our BSS be placed 1MiB after this, to allow for the default
+ * Linux kernel address of 0x80008000 to work, in the Falcon Mode case.
+ * We have the SPL malloc pool at the end of the BSS area.
+ */
+#define CONFIG_SPL_STACK		CONFIG_SYS_INIT_SP_ADDR
+#ifndef CONFIG_SYS_TEXT_BASE
+#define CONFIG_SYS_TEXT_BASE		0x80800000
+#endif
+#ifndef CONFIG_SPL_BSS_START_ADDR
+#define CONFIG_SPL_BSS_START_ADDR	0x80a00000
+#define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KB */
+#endif
+#ifndef CONFIG_SYS_SPL_MALLOC_START
+#define CONFIG_SYS_SPL_MALLOC_START	(CONFIG_SPL_BSS_START_ADDR + \
+					 CONFIG_SPL_BSS_MAX_SIZE)
+#define CONFIG_SYS_SPL_MALLOC_SIZE	CONFIG_SYS_MALLOC_LEN
+#endif
+
+/* RAW SD card / eMMC locations. */
+#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	0x300 /* address 0x60000 */
+#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS	0x200 /* 256 KB */
+
+/* FAT sd card locations. */
+#define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION	1
+#define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME	"u-boot.img"
+
+#ifdef CONFIG_SPL_OS_BOOT
+/* FAT */
+#define CONFIG_SPL_FAT_LOAD_KERNEL_NAME		"uImage"
+#define CONFIG_SPL_FAT_LOAD_ARGS_NAME		"args"
+
+/* RAW SD card / eMMC */
+#define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR	0x900	/* address 0x120000 */
+#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR	0x80	/* address 0x10000 */
+#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS	0x80	/* 64KiB */
+
+/* NAND */
+#ifdef CONFIG_NAND
+#define CONFIG_CMD_SPL_NAND_OFS			0x240000 /* end of u-boot */
+#define CONFIG_SYS_NAND_SPL_KERNEL_OFFS		0x280000
+#define CONFIG_CMD_SPL_WRITE_SIZE		0x2000
+#endif
+
+/* spl export command */
+#define CONFIG_CMD_SPL
+#endif
+
+#ifdef CONFIG_MMC
+#define CONFIG_SPL_LIBDISK_SUPPORT
+#define CONFIG_SPL_MMC_SUPPORT
+#define CONFIG_SPL_FAT_SUPPORT
+#endif
+
+/* General parts of the framework, required. */
+#define CONFIG_SPL_I2C_SUPPORT
+#define CONFIG_SPL_LIBCOMMON_SUPPORT
+#define CONFIG_SPL_LIBGENERIC_SUPPORT
+#define CONFIG_SPL_SERIAL_SUPPORT
+#define CONFIG_SPL_GPIO_SUPPORT
+#define CONFIG_SPL_BOARD_INIT
+
+#ifdef CONFIG_NAND
+#define CONFIG_SPL_NAND_SUPPORT
+#define CONFIG_SPL_NAND_BASE
+#define CONFIG_SPL_NAND_DRIVERS
+#define CONFIG_SPL_NAND_ECC
+#define CONFIG_SPL_MTD_SUPPORT
+#define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
+/* #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000 */ /* Defined later in this configuration */
+#endif
+#endif /* !CONFIG_NOR_BOOT */
+
+#ifndef CONFIG_SPL_BUILD
+# define CONFIG_FIT
+# define CONFIG_TIMESTAMP
+# define CONFIG_LZO
+# ifdef CONFIG_ENABLE_VBOOT
+#  define CONFIG_OF_CONTROL
+#  define CONFIG_OF_SEPARATE
+#  define CONFIG_DEFAULT_DEVICE_TREE am335x-chiliboard
+#  define CONFIG_FIT_SIGNATURE
+#  define CONFIG_RSA
+# endif
+#endif
+
+#define CONFIG_SYS_BOOTM_LEN		(16 << 20)
+
+#define CONFIG_BOARD_LATE_INIT
+
+#define CONFIG_SERIAL1			1
+#define CONFIG_CONS_INDEX		1
+
+/* Clock Defines */
+#define V_OSCK				24000000  /* Clock output from T2 */
+#define V_SCLK				(V_OSCK)
+
+/* Custom script for NOR */
+#define CONFIG_SYS_LDSCRIPT		"board/grinn/chiliboard/u-boot.lds"
+
+/* Always 128 KiB env size */
+#define CONFIG_ENV_SIZE			(128 << 10)
+
+/* Enhance our eMMC support / experience. */
+#define CONFIG_CMD_GPT
+#define CONFIG_EFI_PARTITION
+#define CONFIG_PARTITION_UUIDS
+#define CONFIG_CMD_PART
+
+#ifdef CONFIG_NAND
+#ifndef CONFIG_NAND512MB
+#define NANDARGS \
+	"mtdids=" MTDIDS_DEFAULT "\0" \
+	"mtdparts=" MTDPARTS_DEFAULT "\0" \
+	"nandargs=setenv bootargs console=${console} " \
+		"${optargs} " \
+		"root=${nandroot} " \
+		"rootfstype=${nandrootfstype}\0" \
+	"nandroot=ubi0:rootfs rw ubi.mtd=8,2048\0" \
+	"nandrootfstype=ubifs rootwait=1\0" \
+	"nandboot=echo Booting from nand ...; " \
+		"run nandargs; " \
+		"nand read ${fdtaddr} u-boot-spl-os; " \
+		"nand read ${loadaddr} kernel; " \
+		"bootz ${loadaddr} - ${fdtaddr}\0"
+#else
+#define NANDARGS \
+	"mtdids=" MTDIDS_DEFAULT "\0" \
+	"mtdparts=" MTDPARTS_DEFAULT "\0" \
+	"nandargs=setenv bootargs console=${console} " \
+		"${optargs} " \
+		"root=${nandroot} " \
+		"rootfstype=${nandrootfstype}\0" \
+	"nandroot=ubi0:rootfs rw ubi.mtd=8,4096\0" \
+	"nandrootfstype=ubifs rootwait=1\0" \
+	"nandboot=echo Booting from nand ...; " \
+		"run nandargs; " \
+		"nand read ${fdtaddr} u-boot-spl-os; " \
+		"nand read ${loadaddr} kernel; " \
+		"bootz ${loadaddr} - ${fdtaddr}\0"
+#endif
+#else
+#define NANDARGS ""
+#endif
+
+#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+
+#ifndef CONFIG_SPL_BUILD
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	DEFAULT_LINUX_BOOT_ENV \
+	"boot_fdt=try\0" \
+	"bootpart=0:2\0" \
+	"bootdir=/boot\0" \
+	"bootfile=zImage\0" \
+	"fdtfile=undefined\0" \
+	"console=ttyO0,115200n8\0" \
+	"partitions=" \
+		"uuid_disk=${uuid_gpt_disk};" \
+		"name=rootfs,start=2MiB,size=-,uuid=${uuid_gpt_rootfs}\0" \
+	"optargs=\0" \
+	"mmcdev=0\0" \
+	"mmcroot=/dev/mmcblk0p2 rw\0" \
+	"mmcrootfstype=ext4 rootwait\0" \
+	"rootpath=/export/rootfs\0" \
+	"nfsopts=nolock\0" \
+	"static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \
+		"::off\0" \
+	"ramroot=/dev/ram0 rw\0" \
+	"ramrootfstype=ext2\0" \
+	"mmcargs=setenv bootargs console=${console} " \
+		"${optargs} " \
+		"root=${mmcroot} " \
+		"rootfstype=${mmcrootfstype}\0" \
+	"spiroot=/dev/mtdblock4 rw\0" \
+	"spirootfstype=jffs2\0" \
+	"spisrcaddr=0xe0000\0" \
+	"spiimgsize=0x362000\0" \
+	"spibusno=0\0" \
+	"spiargs=setenv bootargs console=${console} " \
+		"${optargs} " \
+		"root=${spiroot} " \
+		"rootfstype=${spirootfstype}\0" \
+	"netargs=setenv bootargs console=${console} " \
+		"${optargs} " \
+		"root=/dev/nfs " \
+		"nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
+		"ip=dhcp\0" \
+	"bootenv=uEnv.txt\0" \
+	"loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
+	"importbootenv=echo Importing environment from mmc ...; " \
+		"env import -t $loadaddr $filesize\0" \
+	"ramargs=setenv bootargs console=${console} " \
+		"${optargs} " \
+		"root=${ramroot} " \
+		"rootfstype=${ramrootfstype}\0" \
+	"loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \
+	"loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
+	"loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
+	"mmcloados=run mmcargs; " \
+		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
+			"if run loadfdt; then " \
+				"bootz ${loadaddr} - ${fdtaddr}; " \
+			"else " \
+				"if test ${boot_fdt} = try; then " \
+					"bootz; " \
+				"else " \
+					"echo WARN: Cannot load the DT; " \
+				"fi; " \
+			"fi; " \
+		"else " \
+			"bootz; " \
+		"fi;\0" \
+	"mmcboot=mmc dev ${mmcdev}; " \
+		"if mmc rescan; then " \
+			"echo SD/MMC found on device ${mmcdev};" \
+			"if run loadbootenv; then " \
+				"echo Loaded environment from ${bootenv};" \
+				"run importbootenv;" \
+			"fi;" \
+			"if test -n $uenvcmd; then " \
+				"echo Running uenvcmd ...;" \
+				"run uenvcmd;" \
+			"fi;" \
+			"if run loadimage; then " \
+				"run mmcloados;" \
+			"fi;" \
+		"fi;\0" \
+	"spiboot=echo Booting from spi ...; " \
+		"run spiargs; " \
+		"sf probe ${spibusno}:0; " \
+		"sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \
+		"bootz ${loadaddr}\0" \
+	"netboot=echo Booting from network ...; " \
+		"setenv autoload no; " \
+		"dhcp; " \
+		"tftp ${loadaddr} ${bootfile}; " \
+		"tftp ${fdtaddr} ${fdtfile}; " \
+		"run netargs; " \
+		"bootz ${loadaddr} - ${fdtaddr}\0" \
+	"ramboot=echo Booting from ramdisk ...; " \
+		"run ramargs; " \
+		"bootz ${loadaddr} ${rdaddr} ${fdtaddr}\0" \
+	"findfdt="\
+		"setenv fdtfile am335x-chiliboard.dtb;\0" \
+	NANDARGS \
+	DFUARGS
+#endif
+
+#define CONFIG_BOOTCOMMAND \
+	"run findfdt; " \
+	"run mmcboot;" \
+	"setenv mmcdev 1; " \
+	"setenv bootpart 1:2; " \
+	"run mmcboot;" \
+	"run nandboot;"
+
+/* NS16550 Configuration */
+#define CONFIG_SYS_NS16550_COM1		0x44e09000	/* Base EVM has UART0 */
+#define CONFIG_SYS_NS16550_COM2		0x48022000	/* UART1 */
+#define CONFIG_SYS_NS16550_COM3		0x48024000	/* UART2 */
+#define CONFIG_SYS_NS16550_COM4		0x481a6000	/* UART3 */
+#define CONFIG_SYS_NS16550_COM5		0x481a8000	/* UART4 */
+#define CONFIG_SYS_NS16550_COM6		0x481aa000	/* UART5 */
+#define CONFIG_BAUDRATE			115200
+
+/*
+#define CONFIG_CMD_EEPROM
+#define CONFIG_ENV_EEPROM_IS_ON_I2C
+#define CONFIG_SYS_I2C_EEPROM_ADDR	0x50
+#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2
+#define CONFIG_SYS_I2C_MULTI_EEPROMS
+*/
+
+/* PMIC support */
+#define CONFIG_POWER_TPS65217
+/* #define CONFIG_POWER_TPS65910 */
+
+/* SPL */
+#ifndef CONFIG_NOR_BOOT
+#define CONFIG_SPL_POWER_SUPPORT
+#define CONFIG_SPL_YMODEM_SUPPORT
+
+/* Bootcount using the RTC block */
+#define CONFIG_BOOTCOUNT_LIMIT
+#define CONFIG_BOOTCOUNT_AM33XX
+
+/* USB gadget RNDIS */
+#define CONFIG_SPL_MUSB_NEW_SUPPORT
+
+/* General network SPL, both CPSW and USB gadget RNDIS */
+#define CONFIG_SPL_NET_SUPPORT
+#define CONFIG_SPL_ENV_SUPPORT
+#define CONFIG_SPL_NET_VCI_STRING	"AM335x U-Boot SPL"
+
+#define CONFIG_SPL_LDSCRIPT		"$(CPUDIR)/am33xx/u-boot-spl.lds"
+
+#ifdef CONFIG_NAND
+#define CONFIG_NAND_OMAP_GPMC
+#define CONFIG_NAND_OMAP_ELM
+#define CONFIG_SYS_NAND_5_ADDR_CYCLE
+#define CONFIG_SYS_NAND_PAGE_COUNT	(CONFIG_SYS_NAND_BLOCK_SIZE / \
+					 CONFIG_SYS_NAND_PAGE_SIZE)
+
+#ifndef CONFIG_NAND512MB
+#define CONFIG_SYS_NAND_PAGE_SIZE	2048
+#define CONFIG_SYS_NAND_OOBSIZE		64
+#define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
+#define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
+#define CONFIG_SYS_NAND_ECCPOS		{ 2, 3, 4, 5, 6, 7, 8, 9, \
+					 10, 11, 12, 13, 14, 15, 16, 17, \
+					 18, 19, 20, 21, 22, 23, 24, 25, \
+					 26, 27, 28, 29, 30, 31, 32, 33, \
+					 34, 35, 36, 37, 38, 39, 40, 41, \
+					 42, 43, 44, 45, 46, 47, 48, 49, \
+					 50, 51, 52, 53, 54, 55, 56, 57, }
+
+#define CONFIG_SYS_NAND_ECCSIZE		512
+#define CONFIG_SYS_NAND_ECCBYTES	14
+#define CONFIG_SYS_NAND_ONFI_DETECTION
+#define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_BCH8_CODE_HW
+#define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
+#define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
+#else
+#define CONFIG_SYS_NAND_PAGE_SIZE	4096
+#define CONFIG_SYS_NAND_OOBSIZE		224
+#define CONFIG_SYS_NAND_BLOCK_SIZE	(256*1024)
+#define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
+#define CONFIG_SYS_NAND_ECCPOS {\
+				2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,\
+				16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,\
+				28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,\
+				40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51,\
+				52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,\
+				64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75,\
+				76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87,\
+				88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,\
+				100, 101, 102, 103, 104, 105, 106, 107, 108, 109,\
+				110, 111, 112, 113, 114, 115, 116, 117, 118, 119,\
+				120, 121, 122, 123, 124, 125, 126, 127, 128, 129,\
+				130, 131, 132, 133, 134, 135, 136, 137, 138, 139,\
+				140, 141, 142, 143, 144, 145, 146, 147, 148, 149,\
+				150, 151, 152, 153, 154, 155, 156, 157, 158, 159,\
+				160, 161, 162, 163, 164, 165, 166, 167, 168, 169,\
+				170, 171, 172, 173, 174, 175, 176, 177, 178, 179,\
+				180, 181, 182, 183, 184, 185, 186, 187, 188, 189,\
+				190, 191, 192, 193, 194, 195, 196, 197, 198, 199,\
+				200, 201, 202, 203, 204, 205, 206, 207, 208, 209}
+
+#define CONFIG_SYS_NAND_ECCSIZE		512
+#define CONFIG_SYS_NAND_ECCBYTES	26
+#define CONFIG_SYS_NAND_ONFI_DETECTION
+#define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_BCH16_CODE_HW
+#define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
+#define CONFIG_SYS_NAND_U_BOOT_OFFS	0x100000
+#endif
+
+#endif
+#endif
+
+/*
+ * For NOR boot, we must set this to the start of where NOR is mapped
+ * in memory.
+ */
+#ifdef CONFIG_NOR_BOOT
+#define CONFIG_SYS_TEXT_BASE		0x08000000
+#endif
+
+/*
+ * USB configuration.  We enable MUSB support, both for host and for
+ * gadget.  We set USB0 as peripheral and USB1 as host, based on the
+ * board schematic and physical port wired to each.  Then for host we
+ * add mass storage support and for gadget we add both RNDIS ethernet
+ * and DFU.
+ */
+#define CONFIG_USB_MUSB_DSPS
+#define CONFIG_ARCH_MISC_INIT
+#define CONFIG_MUSB_GADGET
+#define CONFIG_MUSB_PIO_ONLY
+#define CONFIG_MUSB_DISABLE_BULK_COMBINE_SPLIT
+#define CONFIG_USB_GADGET
+#define CONFIG_USBDOWNLOAD_GADGET
+#define CONFIG_USB_GADGET_DUALSPEED
+#define CONFIG_USB_GADGET_VBUS_DRAW	2
+#define CONFIG_MUSB_HOST
+#define CONFIG_AM335X_USB0
+#define CONFIG_AM335X_USB0_MODE	MUSB_PERIPHERAL
+#define CONFIG_AM335X_USB1
+#define CONFIG_AM335X_USB1_MODE MUSB_HOST
+
+#ifdef CONFIG_MUSB_HOST
+#define CONFIG_CMD_USB
+#define CONFIG_USB_STORAGE
+#endif
+
+#ifdef CONFIG_MUSB_GADGET
+#define CONFIG_USB_ETHER
+#define CONFIG_USB_ETH_RNDIS
+#define CONFIG_USBNET_HOST_ADDR	"de:ad:be:af:00:00"
+
+/* USB TI's IDs */
+#define CONFIG_G_DNL_VENDOR_NUM 0x0403
+#define CONFIG_G_DNL_PRODUCT_NUM 0xBD00
+#define CONFIG_G_DNL_MANUFACTURER "Texas Instruments"
+#endif /* CONFIG_MUSB_GADGET */
+
+#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_USBETH_SUPPORT)
+/* disable host part of MUSB in SPL */
+#undef CONFIG_MUSB_HOST
+/* disable EFI partitions and partition UUID support */
+#undef CONFIG_PARTITION_UUIDS
+#undef CONFIG_EFI_PARTITION
+/*
+ * Disable CPSW SPL support so we fit within the 101KiB limit.
+ */
+#undef CONFIG_SPL_ETH_SUPPORT
+#endif
+
+/* USB Device Firmware Update support */
+#ifndef CONFIG_SPL_BUILD
+#define CONFIG_DFU_FUNCTION
+#define CONFIG_DFU_MMC
+#define CONFIG_CMD_DFU
+#define DFU_ALT_INFO_MMC \
+	"dfu_alt_info_mmc=" \
+	"boot part 0 1;" \
+	"rootfs part 0 2;" \
+	"MLO fat 0 1;" \
+	"MLO.raw mmc 0x100 0x100;" \
+	"u-boot.img.raw mmc 0x300 0x400;" \
+	"spl-os-args.raw mmc 0x80 0x80;" \
+	"spl-os-image.raw mmc 0x900 0x2000;" \
+	"spl-os-args fat 0 1;" \
+	"spl-os-image fat 0 1;" \
+	"u-boot.img fat 0 1;" \
+	"uEnv.txt fat 0 1\0"
+#ifdef CONFIG_NAND
+#define CONFIG_DFU_NAND
+#define DFU_ALT_INFO_NAND \
+	"dfu_alt_info_nand=" \
+	"SPL part 0 1;" \
+	"SPL.backup1 part 0 2;" \
+	"SPL.backup2 part 0 3;" \
+	"SPL.backup3 part 0 4;" \
+	"u-boot part 0 5;" \
+	"u-boot-spl-os part 0 6;" \
+	"kernel part 0 8;" \
+	"rootfs part 0 9\0"
+#else
+#define DFU_ALT_INFO_NAND ""
+#endif
+#define CONFIG_DFU_RAM
+#define DFU_ALT_INFO_RAM \
+	"dfu_alt_info_ram=" \
+	"kernel ram 0x80200000 0xD80000;" \
+	"fdt ram 0x80F80000 0x80000;" \
+	"ramdisk ram 0x81000000 0x4000000\0"
+#define DFUARGS \
+	"dfu_alt_info_emmc=rawemmc mmc 0 3751936\0" \
+	DFU_ALT_INFO_MMC \
+	DFU_ALT_INFO_RAM \
+	DFU_ALT_INFO_NAND
+#endif
+
+/*
+ * Default to using SPI for environment, etc.
+ * 0x000000 - 0x020000 : SPL (128KiB)
+ * 0x020000 - 0x0A0000 : U-Boot (512KiB)
+ * 0x0A0000 - 0x0BFFFF : First copy of U-Boot Environment (128KiB)
+ * 0x0C0000 - 0x0DFFFF : Second copy of U-Boot Environment (128KiB)
+ * 0x0E0000 - 0x442000 : Linux Kernel
+ * 0x442000 - 0x800000 : Userland
+ */
+#if defined(CONFIG_SPI_BOOT)
+/* SPL related */
+#undef CONFIG_SPL_OS_BOOT		/* Not supported by existing map */
+#define CONFIG_SPL_SPI_SUPPORT
+#define CONFIG_SPL_SPI_FLASH_SUPPORT
+#define CONFIG_SPL_SPI_LOAD
+#define CONFIG_SPL_SPI_BUS		0
+#define CONFIG_SPL_SPI_CS		0
+#define CONFIG_SYS_SPI_U_BOOT_OFFS	0x20000
+
+#define CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_SYS_REDUNDAND_ENVIRONMENT
+#define CONFIG_ENV_SPI_MAX_HZ		CONFIG_SF_DEFAULT_SPEED
+#define CONFIG_ENV_SECT_SIZE		(4 << 10) /* 4 KB sectors */
+#define CONFIG_ENV_OFFSET		(768 << 10) /* 768 KiB in */
+#define CONFIG_ENV_OFFSET_REDUND	(896 << 10) /* 896 KiB in */
+#define MTDIDS_DEFAULT			"nor0=m25p80-flash.0"
+#define MTDPARTS_DEFAULT		"mtdparts=m25p80-flash.0:128k(SPL)," \
+					"512k(u-boot),128k(u-boot-env1)," \
+					"128k(u-boot-env2),3464k(kernel)," \
+					"-(rootfs)"
+#elif defined(CONFIG_EMMC_BOOT)
+#undef CONFIG_ENV_IS_NOWHERE
+#define CONFIG_ENV_IS_IN_MMC
+#define CONFIG_SYS_MMC_ENV_DEV		1
+#define CONFIG_SYS_MMC_ENV_PART		2
+#define CONFIG_ENV_OFFSET		0x0
+#define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
+#define CONFIG_SYS_REDUNDAND_ENVIRONMENT
+#endif
+
+/* SPI flash. */
+#define CONFIG_CMD_SF
+#define CONFIG_SPI_FLASH
+#define CONFIG_SPI_FLASH_WINBOND
+#define CONFIG_SF_DEFAULT_SPEED		24000000
+
+/* Network. */
+#define CONFIG_PHY_GIGE
+#define CONFIG_PHYLIB
+#define CONFIG_PHY_SMSC
+
+/* NAND support */
+#ifdef CONFIG_NAND
+#define CONFIG_CMD_NAND
+#if !defined(CONFIG_SPI_BOOT) && !defined(CONFIG_NOR_BOOT)
+#define MTDIDS_DEFAULT			"nand0=omap2-nand.0"
+
+#ifndef CONFIG_NAND512MB
+#define MTDPARTS_DEFAULT		"mtdparts=omap2-nand.0:128k(SPL)," \
+					"128k(SPL.backup1)," \
+					"128k(SPL.backup2)," \
+					"128k(SPL.backup3),1792k(u-boot)," \
+					"128k(u-boot-spl-os)," \
+					"128k(u-boot-env),5m(kernel),-(rootfs)"
+#define CONFIG_ENV_IS_IN_NAND
+#define CONFIG_ENV_OFFSET		0x260000 /* environment starts here */
+#define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
+#else
+#define MTDPARTS_DEFAULT		"mtdparts=omap2-nand.0:256k(SPL)," \
+					"256k(SPL.backup1)," \
+					"256k(SPL.backup2)," \
+					"256k(SPL.backup3),2048k(u-boot)," \
+					"256k(u-boot-spl-os)," \
+					"256k(u-boot-env),5m(kernel),-(rootfs)"
+#define CONFIG_ENV_IS_IN_NAND
+#define CONFIG_ENV_OFFSET		0x340000 /* environment starts here */
+#define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
+#endif
+
+#endif
+#endif
+
+/*
+ * NOR Size = 16 MiB
+ * Number of Sectors/Blocks = 128
+ * Sector Size = 128 KiB
+ * Word length = 16 bits
+ * Default layout:
+ * 0x000000 - 0x07FFFF : U-Boot (512 KiB)
+ * 0x080000 - 0x09FFFF : First copy of U-Boot Environment (128 KiB)
+ * 0x0A0000 - 0x0BFFFF : Second copy of U-Boot Environment (128 KiB)
+ * 0x0C0000 - 0x4BFFFF : Linux Kernel (4 MiB)
+ * 0x4C0000 - 0xFFFFFF : Userland (11 MiB + 256 KiB)
+ */
+#if defined(CONFIG_NOR)
+#undef CONFIG_SYS_NO_FLASH
+#define CONFIG_CMD_FLASH
+#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
+#define CONFIG_SYS_FLASH_PROTECTION
+#define CONFIG_SYS_FLASH_CFI
+#define CONFIG_FLASH_CFI_DRIVER
+#define CONFIG_FLASH_CFI_MTD
+#define CONFIG_SYS_MAX_FLASH_SECT	128
+#define CONFIG_SYS_MAX_FLASH_BANKS	1
+#define CONFIG_SYS_FLASH_BASE		(0x08000000)
+#define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_16BIT
+#define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
+/* Reduce SPL size by removing unlikey targets */
+#ifdef CONFIG_NOR_BOOT
+#define CONFIG_ENV_IS_IN_FLASH
+#define CONFIG_ENV_SECT_SIZE		(128 << 10)	/* 128 KiB */
+#define CONFIG_ENV_OFFSET		(512 << 10)	/* 512 KiB */
+#define CONFIG_ENV_OFFSET_REDUND	(768 << 10)	/* 768 KiB */
+#define MTDIDS_DEFAULT			"nor0=physmap-flash.0"
+#define MTDPARTS_DEFAULT		"mtdparts=physmap-flash.0:" \
+					"512k(u-boot)," \
+					"128k(u-boot-env1)," \
+					"128k(u-boot-env2)," \
+					"4m(kernel),-(rootfs)"
+#endif
+#endif  /* NOR support */
+
+#endif	/* ! __CONFIG_CHILISOM_H */
-- 
2.5.0