fdtaddr=0x8f000000 loadaddr=0x81000000 fdt_high=0xffffffff initrd_high=0xffffffff sd_boot=mmc read $fdtaddr 7800 800;mmc read $loadaddr 8000 8000;bootm $loadaddr - $fdtaddr bootargs=root=/dev/mmcblk0p1 rw rootwait rootfstype=ext4 noinitrd earlycon=uart8250,mmio,0x21c0500 console=ttyS0,115200 cma=64M@0x0-0xb0000000 bootcmd=echo starting openwrt ...;run sd_boot bootdelay=3