fdtfile=am335x-pocketbeagle.dtb devtype=mmc bootpart=0:1 bootdir= bootargs=console=ttyO0,115200n8 root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait uenvcmd=run loadimage;run loadfdt;printenv bootargs;bootz ${loadaddr} - ${fdtaddr};