Allwinner SUNXI64

Image building need host to ready with all necessary tools ready, refer here

Below are the details of Image build for Banana Pi BPI-M64 board.

ATF

$ git clone https://github.com/apritzel/arm-trusted-firmware.git
$ cd arm-trusted-firmware
$ make PLAT=sun50iw1p1 bl31
$ export BL31=/path/to/arm-trusted-firmware/build/sun50iw1p1/release/bl31.bin

U-Boot

$ git clone git://git.denx.de/u-boot.git
$ cd u-boot
$ make bananapi_m64_defconfig
$ make

Linux

$ git clone git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git

$ cd linux-next
$ make mrproper
$ ARCH=arm64 make defconfig
$ ARCH=arm64 make -j 4 Image dtbs