Hi Tom,
On Feb 5, 2014, at 5:24 PM, Tom Rini wrote:
We use the switch CONFIG_SUPPORT_EMMC_BOOT today to enable some additional features of the eMMC boot partitions. Add support for being told that we have booted from one of these partitions to the spl framework and implement this on TI OMAP/related.
Cc: Pantelis Antoniou panto@antoniou-consulting.com Signed-off-by: Tom Rini trini@ti.com
Changes in v3:
- Rework eMMC boot detect logic for TI platforms, in the eMMC boot case
we rely on non-FAT/RAW values being in bootmode.
arch/arm/cpu/armv7/omap-common/boot-common.c | 13 ++++++++++++- common/spl/spl_mmc.c | 24 ++++++++++++++++++++++++ include/spl.h | 1 + 3 files changed, 37 insertions(+), 1 deletion(-)
diff --git a/arch/arm/cpu/armv7/omap-common/boot-common.c b/arch/arm/cpu/armv7/omap-common/boot-common.c index 69fff32..52e0f4a 100644 --- a/arch/arm/cpu/armv7/omap-common/boot-common.c +++ b/arch/arm/cpu/armv7/omap-common/boot-common.c @@ -66,7 +66,18 @@ u32 spl_boot_device(void)
u32 spl_boot_mode(void) {
- return gd->arch.omap_boot_params.omap_bootmode;
- u32 val = gd->arch.omap_boot_params.omap_bootmode;
- if (val == MMCSD_MODE_RAW)
return MMCSD_MODE_RAW;- else if (val == MMCSD_MODE_FAT)
return MMCSD_MODE_FAT;- else
+#ifdef CONFIG_SUPPORT_EMMC_BOOT
return MMCSD_MODE_EMMCBOOT;+#else
return MMCSD_MODE_UNDEFINED;+#endif }
void spl_board_init(void) diff --git a/common/spl/spl_mmc.c b/common/spl/spl_mmc.c index 13fbff0..fa6f891 100644 --- a/common/spl/spl_mmc.c +++ b/common/spl/spl_mmc.c @@ -111,6 +111,30 @@ void spl_mmc_load_image(void) CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION, CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME); #endif +#ifdef CONFIG_SUPPORT_EMMC_BOOT
- } else if (boot_mode == MMCSD_MODE_EMMCBOOT) {
/** We need to check what the partition is configured to.* 1 and 2 match up to boot0 / boot1 and 7 is user data* which is the first physical partition (0).*/int part = (mmc->part_config >> 3) & PART_ACCESS_MASK;if (part == 7)part = 0;if (mmc_switch_part(0, part)) {+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
puts("MMC partition switch failed\n");+#endif
hang();}+#ifdef CONFIG_SPL_OS_BOOT
if (spl_start_uboot() || mmc_load_image_raw_os(mmc))+#endif
err = mmc_load_image_raw(mmc,CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);+#endif } else { #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT puts("spl: wrong MMC boot mode\n"); diff --git a/include/spl.h b/include/spl.h index 5e24856..dad00c0 100644 --- a/include/spl.h +++ b/include/spl.h @@ -16,6 +16,7 @@ #define MMCSD_MODE_UNDEFINED 0 #define MMCSD_MODE_RAW 1 #define MMCSD_MODE_FAT 2 +#define MMCSD_MODE_EMMCBOOT 3
struct spl_image_info { const char *name; -- 1.7.9.5
Applied. Thanks.
Signed-off-by: Pantelis Antoniou panto@antoniou-consulting.com