"nand read 0x22000000 0x200000 0x600000;" \
"bootm 0x22000000 - 0x21000000"
#elif CONFIG_SYS_USE_MMC
-/* bootstrap + u-boot + env in sd card */
-#define CONFIG_ENV_IS_IN_FAT
-#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 "fatload mmc 0:1 0x21000000 dtb; " \
- "fatload mmc 0:1 0x22000000 uImage; " \
- "bootm 0x22000000 - 0x21000000"
+/* override the bootcmd, bootargs and other configuration for sd/mmc env */
#else
#define CONFIG_ENV_IS_NOWHERE
#endif