參考資訊：
https://github.com/xboot/xrock
https://opensource.rock-chips.com/wiki_Main_Page
https://sources.buildroot.net/rockchip-rkbin/git/bin/rk35/
編譯步驟：
$ cd $ git clone https://github.com/steward-fu/miyoo-flip $ cd miyoo-flip/u-boot/ $ ./make.sh rk3566
燒錄步驟：
1. 進入MASKROM模式
2. 執行如下指令
$ wget https://github.com/steward-fu/website/releases/download/miyoo-flip/rk3566_ddr_1056MHz_v1.18.bin $ wget https://github.com/steward-fu/website/releases/download/miyoo-flip/rk356x_usbplug_v1.17.bin $ xrock extra maskrom --rc4 off --sram rk3566_ddr_1056MHz_v1.18.bin --delay 10 --rc4 off --dram rk356x_usbplug_v1.17.bin --delay 10 $ xrock flash write $((0x300000/512)) uboot.img
P.S. 如果寫成Shell Script，xrock指令記得要有sleep間隔