On 09/28/2016 03:35 AM, Marcel Ziswiler wrote:
Now with the config block handling in place move the U-Boot environment location before the config block at the end of 1st "boot sector" as deployed during production using our downstream BSP.
diff --git a/include/configs/apalis_t30.h b/include/configs/apalis_t30.h
-/* Environment in eMMC, at the end of 2nd "boot sector" */ +/* Environment in eMMC, before config block at the end of 1st "boot sector" */ #define CONFIG_ENV_IS_IN_MMC -#define CONFIG_ENV_OFFSET (-CONFIG_ENV_SIZE) +#define CONFIG_ENV_OFFSET (-CONFIG_ENV_SIZE + \ + CONFIG_TDX_CFG_BLOCK_OFFSET)
I'm not convinced that ENV_OFFSET actually points where the description says it does. (-CONFIG_ENV_SIZE + CONFIG_TDX_CFG_BLOCK_OFFSET) is (-8192 + -512). The original comment states that an ENV_OFFSET of -8192 locates the environment at the end of a sector, so shifting it 512 bytes earlier in the flash can't possible now align it with a different sector? Should ENV_OFFSET be shifted down by a whole sector size by this patch, i.e. should +CONFIG_TXT_CFG_BLOCK_OFFSET be rounded up to a sector size to match the comment?
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