diff options
Diffstat (limited to 'libre/uboot4extlinux-omap3/0001-omap34xx-SPL-enable-MMC-raw-boot-with-u-boot.img.patch')
-rw-r--r-- | libre/uboot4extlinux-omap3/0001-omap34xx-SPL-enable-MMC-raw-boot-with-u-boot.img.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/libre/uboot4extlinux-omap3/0001-omap34xx-SPL-enable-MMC-raw-boot-with-u-boot.img.patch b/libre/uboot4extlinux-omap3/0001-omap34xx-SPL-enable-MMC-raw-boot-with-u-boot.img.patch new file mode 100644 index 000000000..d746bde6e --- /dev/null +++ b/libre/uboot4extlinux-omap3/0001-omap34xx-SPL-enable-MMC-raw-boot-with-u-boot.img.patch @@ -0,0 +1,44 @@ +From a49275a3cc03970939585610ebcf3b3d7e547037 Mon Sep 17 00:00:00 2001 +From: Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org> +Date: Sat, 9 Nov 2019 18:53:40 +0100 +Subject: [PATCH] omap34xx: SPL: enable MMC raw boot with u-boot.img + +The following commit enabled raw SPL booting: + 22d90d560a omap3: Use raw SPL by default for mmc1 +but it was reverted by the following commit: + 821c89d38c Revert "omap3: Use raw SPL by default for mmc1" +because SPL is unable to distinguish between RAW images and +garbage. + +However if CONFIG_SPL_RAW_IMAGE_SUPPORT is disabled, SPL does +identify if there is a valid image with spl_parse_image_header. + +With this change, and CONFIG_SPL_RAW_IMAGE_SUPPORT disabled, +raw MMC boot will be tried first, and if it fails, it FS will +be tried. + +The two scenarios have been tested on a BeagleBoard XM Revision C1. + +Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org> +--- + arch/arm/mach-omap2/boot-common.c | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/arch/arm/mach-omap2/boot-common.c b/arch/arm/mach-omap2/boot-common.c +index 734fa9d9e6..a48244e1c5 100644 +--- a/arch/arm/mach-omap2/boot-common.c ++++ b/arch/arm/mach-omap2/boot-common.c +@@ -132,8 +132,10 @@ void save_omap_boot_params(void) + (boot_device <= MMC_BOOT_DEVICES_END)) { + switch (boot_device) { + case BOOT_DEVICE_MMC1: ++#ifdef CONFIG_SPL_RAW_IMAGE_SUPPORT + boot_mode = MMCSD_MODE_FS; + break; ++#endif + case BOOT_DEVICE_MMC2: + boot_mode = MMCSD_MODE_RAW; + break; +-- +2.24.0 + |