//install cross compiler first and add to $PATH env variable
//clone code
$ git clone https://github.com/jordonwu/u-boot.git -b master
//config for licheepi_nano
$ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- licheepi_nano_defconfig
//build for licheepi_nano
$ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf-
//flash to sd card for licheepi_nano
$ sudo dd if=u-boot-sunxi-with-spl.bin of=/dev/sdX bs=1024 seek=8 status=progress
//clone code
$ git clone https://github.com/jordonwu/u-boot.git -b master
//config for licheepi_nano
$ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- planck_pi_f1c200s_defconfig
//build for licheepi_nano
$ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf-
//flash to sd card for licheepi_nano
$ sudo dd if=u-boot-sunxi-with-spl.bin of=/dev/sdX bs=1024 seek=8 status=progress
//install cross compiler first and add to $PATH env variable
//clone code
$ git clone https://github.com/jordonwu/u-boot.git -b master
//config for LicheePi_Zero
$ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- LicheePi_Zero_defconfig
//build for LicheePi_Zero
$ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf-
//flash to sd card for LicheePi_Zero
$ sudo dd if=u-boot-sunxi-with-spl.bin of=/dev/sdX bs=1024 seek=8 status=progress