setenv bootm_boot_mode sec
  setenv bootargs console=ttyS0,115200 root=/dev/mmcblk0p1 rootwait panic=10 sunxi_ve_mem_reserve=0 sunxi_g2d_mem_reserve=0 sunxi_no_mali_mem_reserve sunxi_fb_mem_reserve=16 consoleblank=0 ${extra}
  ext4load mmc 0 0x43000000 /boot/script.bin
  ext4load mmc 0 0x48000000 /boot/zImage
  bootz 0x48000000