[U-Boot] [PATCH 1/1] mx51evk: savenv or env save command does not work

[Stefano Babic]

On 11/16/2010 09:41 AM, Jason Liu wrote:

Hi Jason,

> fix saveenv or env save command not work on mx51evk board.
> with this patch, we can use savenv or env save to
> store enviroments to mmc card slot 0

>  
> -#define CONFIG_ENV_SECT_SIZE    (128 * 1024)
> -#define CONFIG_ENV_SIZE		CONFIG_ENV_SECT_SIZE
> -#define CONFIG_ENV_IS_NOWHERE
> +#define CONFIG_ENV_OFFSET      (6 * 64 * 1024)
> +#define CONFIG_ENV_SIZE        (2 * 64 * 1024)
> +#define CONFIG_ENV_IS_IN_MMC
> +#define CONFIG_SYS_MMC_ENV_DEV 0

Why do we need 128KB to save the environment in case of MMC ? It seems
to me too much, because we are not constrained to the sector size as for
flash devices.

Can we save some time by saving or reading the environment reducing its
size ? Or do you plan to save something more in this area ?

Best regards,
Stefano Babic

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