setenv bootcmd 'load mmc 0:1 0x00200000 zImage ; load mmc 0:1 0x00000100 bcm2835-rpi-b-rev2.dtb ; bootz 0x00200000 - 0x00000100'

setenv bootargs earlyprintk console=ttyAMA0,115200

saveenv

run bootcmd