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@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;" \