[U-Boot] [PATCH] ARM: at91: at91sam9n12ek: save the environment to a fat file in MMC card
Bo Shen
voice.shen at atmel.com
Wed Mar 25 04:42:44 CET 2015
Hi Josh,
On 03/24/2015 04:10 PM, Josh Wu wrote:
> Insteading in mmc's raw sectors, this patch will save the environment
> in a fat file (uboot.env) in mmc card's first FAT patition.
>
> Signed-off-by: Josh Wu <josh.wu at atmel.com>
Thanks for your patch.
Acked-by: Bo Shen <voice.shen at atmel.com>
> ---
>
> include/configs/at91sam9n12ek.h | 11 ++++++-----
> 1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/include/configs/at91sam9n12ek.h b/include/configs/at91sam9n12ek.h
> index f02fce9..94ba37c 100644
> --- a/include/configs/at91sam9n12ek.h
> +++ b/include/configs/at91sam9n12ek.h
> @@ -201,11 +201,12 @@
> #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
> #define CONFIG_BOOTCOMMAND \
> "setenv bootargs ${console} ${mtdparts} ${bootargs_mmc};" \
> "fatload mmc 0:1 0x21000000 dtb;" \
>
Best Regards,
Bo Shen
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