part uuid mmc ${devnum}:2 uuid setenv bootargs "console=ttyS2,1500000 earlycon=uart8250,mmio32,0xff130000 root=PARTUUID=${uuid} rw rootwait" load mmc ${devnum}:1 ${fdt_addr_r} rockchip.dtb load mmc ${devnum}:1 ${kernel_addr_r} kernel.img booti ${kernel_addr_r} - ${fdt_addr_r}