[U-Boot] [PATCH v2 3/3] ARM: at91: at91sam9x5: save environment to a FAT file in MMC card

[Bo Shen]

Hi Josh,

On 01/19/2015 03:06 PM, Josh Wu wrote:
> This patch will save U-Boot environment as a file: uboot.env, in FAT partition
> instead of saving it in raw sector of MMC card.
>
> This make us easier to manage the environment file.
>
> Signed-off-by: Josh Wu <josh.wu at atmel.com>

Acked-by: Bo Shen <voice.shen at atmel.com>

> ---
>
>   include/configs/at91sam9x5ek.h | 11 ++++++-----
>   1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/include/configs/at91sam9x5ek.h b/include/configs/at91sam9x5ek.h
> index b1d4baa..6d8b71d 100644
> --- a/include/configs/at91sam9x5ek.h
> +++ b/include/configs/at91sam9x5ek.h
> @@ -203,11 +203,12 @@
>   				"bootm 0x22000000"
>   #else /* CONFIG_SYS_USE_MMC */
>   /* bootstrap + u-boot + env + linux in mmc */
> -#define CONFIG_ENV_IS_IN_MMC
> -/* For FAT system, most cases it should be in the reserved sector */
> -#define CONFIG_ENV_OFFSET	0x2000
> -#define CONFIG_ENV_SIZE		0x1000
> -#define CONFIG_SYS_MMC_ENV_DEV	0
> +#define CONFIG_ENV_IS_IN_FAT
> +#define CONFIG_FAT_WRITE
> +#define FAT_ENV_INTERFACE	"mmc"
> +#define FAT_ENV_FILE		"uboot.env"
> +#define FAT_ENV_DEVICE_AND_PART "0"
> +#define CONFIG_ENV_SIZE		0x4000
>   #endif
>
>   #ifdef CONFIG_SYS_USE_MMC
>

Best Regards,
Bo Shen