From: Horatiu Vultur Date: Mon, 8 Apr 2019 11:32:18 +0000 (+0200) Subject: configs: vcoreiii: Change CONFIG_ENV_SIZE X-Git-Tag: v2019.07-rc1~26^2~5 X-Git-Url: https://git.librecmc.org/?p=oweals%2Fu-boot.git;a=commitdiff_plain;h=b158e56f34f6546d0fc1f4261bb2dd0472524b39 configs: vcoreiii: Change CONFIG_ENV_SIZE Shrink the environment size for 3 reasons: - reading the environment it is slow, therefore having a smaller env improves the speed. - usually in the environment there are only few variables, therefore the enviromnent is almost empty. - because the same image can run on different boards which may have different flashes with different page sizes, the CONFIG_ENV_SECT_SIZE can't be change, it is set to least common multiple of the page sizes. Adding this change improves the boot time. Before update for reading the entire environment it took ~850 msec, after the change it takes ~40 msecs. Signed-off-by: Horatiu Vultur --- diff --git a/include/configs/vcoreiii.h b/include/configs/vcoreiii.h index aeef58db42..8c68372026 100644 --- a/include/configs/vcoreiii.h +++ b/include/configs/vcoreiii.h @@ -27,7 +27,7 @@ #if defined(CONFIG_ENV_IS_IN_SPI_FLASH) && !defined(CONFIG_ENV_OFFSET) #define CONFIG_ENV_OFFSET (1024 * 1024) -#define CONFIG_ENV_SIZE (256 * 1024) +#define CONFIG_ENV_SIZE (8 * 1024) #define CONFIG_ENV_SECT_SIZE (256 * 1024) #define CONFIG_SYS_REDUNDAND_ENVIRONMENT