package/boot/uboot-sunxi/uEnv-default.txt

   1 setenv fdt_high ffffffff
   2 setenv mmc_rootpart 2
   3 part uuid mmc ${mmc_bootdev}:${mmc_rootpart} uuid
   4 setenv loadkernel fatload mmc \$mmc_bootdev \$kernel_addr_r uImage
   5 setenv loaddtb fatload mmc \$mmc_bootdev \$fdt_addr_r dtb
   6 setenv bootargs console=ttyS0,115200 earlyprintk root=PARTUUID=${uuid} rootwait
   7 setenv uenvcmd run loadkernel \&\& run loaddtb \&\& bootm \$kernel_addr_r - \$fdt_addr_r
   8 run uenvcmd