echo "Writing u-boot-sunx--with-spl.bin"
sudo ./sunxi-fel spl u-boot-sunxi-with-spl.bin
sleep 2
echo "Writing u-boot-dtb.bin at 0x4a000000"
sudo ./sunxi-fel write 0x4a000000 u-boot-dtb.bin
sudo ./sunxi-fel exe 0x4a000000