Currently environment resides at the location where BL2 ends. This may hold good in case there is an empty space at this position. But what if this place already has a binary or is expected to have one. To avoid such scenarios it is better to save environment at the end of the flash.
Signed-off-by: Akshay Saraswat akshay.s@samsung.com Acked-by: Simon Glass sjg@chromium.org Tested-by: Simon Glass sjg@chromium.org --- Changes since v3: - Introduced to this patch-set. Changes since v2: - Added "Acked-by" & "Tested-by". Changes since v1: - Added new config for SPI flash size.
include/configs/exynos5-dt.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/include/configs/exynos5-dt.h b/include/configs/exynos5-dt.h index b830495..d9f5625 100644 --- a/include/configs/exynos5-dt.h +++ b/include/configs/exynos5-dt.h @@ -207,7 +207,10 @@
#define CONFIG_BL1_OFFSET (CONFIG_RES_BLOCK_SIZE + CONFIG_SEC_FW_SIZE) #define CONFIG_BL2_OFFSET (CONFIG_BL1_OFFSET + CONFIG_BL1_SIZE) -#define CONFIG_ENV_OFFSET (CONFIG_BL2_OFFSET + CONFIG_BL2_SIZE) + +/* Store environment at the end of a 4 MB SPI flash */ +#define FLASH_SIZE (0x4 << 20) +#define CONFIG_ENV_OFFSET (FLASH_SIZE - CONFIG_BL2_SIZE)
/* U-boot copy size from boot Media to DRAM.*/ #define BL2_START_OFFSET (CONFIG_BL2_OFFSET/512)