bootpart=1:1
devtype=mmc
bootdir=
itbfile=bbb.itb
bootpartition=mmcblk1p2
console=ttyS0,115200n8
loadaddr=0x82000000
set_bootargs=setenv bootargs console=${console} root=/dev/${bootpartition} rw rootfstype=ext4 rootwait
uenvcmd=run set_bootargs;fatload ${devtype} ${bootpart} ${loadaddr} ${itbfile}; bootm ${loadaddr} 

