Hi Stefan! I'll check and post the config here but I don't have Raspberry Pi currently with me. ---- Petr -------- Original Message -------- On Sep 2, 2022, 1:55 AM, Stefan wrote: > Hi Petr! > > The firmware Iā€™m using is the same, but all dtb files differ. > > Did you use the same set of dtb files on our Pi 3? Especially I have a /boot/efi/bcm2710-rpi-3-b.dtb ā€“ which is loaded at boot due to the upstream_kernel=0 setting in dtb.txt ā€“, which you seem to be missing. > > I guess that your Pi 3 will not load any dtb file. > > My current but not working U-Boot has a different hash. > > Bye > > Stefan