setenv fdt_high ffffffff part uuid mmc 0:2 uuid setenv bootargs console=ttyS0,115200 root=PARTUUID=${uuid} rootwait fatload mmc 0 $kernel_addr_r zImage fatload mmc 0 $fdt_addr_r sun8i-h2-plus-orangepi-zero.dtb bootz $kernel_addr_r - $fdt_addr_r