package/boot/uboot-layerscape/files/ls1021atwr-sdboot-uEnv.txt

   1 fdtaddr=0x8f000000
   2 loadaddr=0x81000000
   3 fdt_high=0xffffffff
   4 initrd_high=0xffffffff
   5 sd_boot=mmc read $fdtaddr 7800 800;mmc read $loadaddr 8000 8000;bootm $loadaddr - $fdtaddr
   6 bootargs=root=/dev/mmcblk0p1 rw rootwait rootfstype=ext4 noinitrd earlycon=uart8250,mmio,0x21c0500 console=ttyS0,115200
   7 bootcmd=echo starting openwrt ...;run sd_boot
   8 bootdelay=3