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 <aksha...@samsung.com>
Acked-by: Simon Glass <s...@chromium.org>
Tested-by: Simon Glass <s...@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)
--
1.7.12.4
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