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by M95D 1212 days ago
I tried the really hard way with a RK3288 (Asus TinkerBoard).

After about a month I had a barely working uboot built from unpatched official sources.

After two months I still didn't have a bootable kernel built from unpatched official sources.

- with power regulator drivers, the board powers itself off while booting

- without power regulator drivers, it boots the kernel, but there's no power to usb, ethernet and wifi.

What I learned: To stay away from Rockchip.