default.txt

Defaults:
#define CONFIG_BOOTDELAY	1

#define CONFIG_CMD_FAT
#define CONFIG_CMD_EXT2
#define CONFIG_CMD_EXT4
#define CONFIG_CMD_FS_GENERIC

/* bootz: zImage/initrd.img support */
#define CONFIG_CMD_BOOTZ
#define CONFIG_SUPPORT_RAW_INITRD

fatload -> load
bootm -> bootz

	"mmcargs=setenv bootargs console=${console} " \
		"${optargs} " \
		"root=${mmcroot} " \
		"rootfstype=${mmcrootfstype} " \
		"video=${video}\0" \
	"loadbootenv=load mmc ${mmcdev}:${mmcpart} ${loadaddr} uEnv.txt\0" \
	"importbootenv=echo Importing environment from mmc (uEnv.txt)...; " \
		"env import -t ${loadaddr} ${filesize}\0" \


#define CONFIG_BOOTCOMMAND \
	"mmc dev ${mmcdev};" \
	"if mmc rescan; then " \
		"echo SD/MMC found on device ${mmcdev};" \
		"if run loadbootenv; then " \
			"run importbootenv;" \
		"fi;" \
		"if test -n $uenvcmd; then " \
			"echo Running uenvcmd ...;" \
			"run uenvcmd;" \
		"fi;" \
		"if run loadzimage; then " \
			"run loadfdt;" \
			"run mmcboot;" \
		"fi;" \
	"fi;"
#endif