Recently I've been trying to build Armbian for Firefly RK3399, since I've purchased this board last year, and it has been lacking proper software support for a long time. Here is my fork   Basically, It is a copy & paste of what's already done to support Odroid N1, by replacing the Hardkernel's kernel to what Firefly provides (an older 4.4.77 kernel), and replacing the Hardkernel u-boot with rockchip u-boot. I created a n