setenv bootargs console=ttyS0,115200 root=/dev/mmcblk0p1 rootwait panic=10 ${extra} ext4load mmc 0 0x49000000 /boot/${fdtfile} ext4load mmc 0 0x46000000 /boot/zImage env set fdt_high ffffffff bootz 0x46000000 - 0x49000000