Thanks for clarification, Mark. But even my installation via serial fails. OK, when booting the 7.8 image ends up in the u-boot logo I understand that nothing will work. The u-boot has not loaded anything. Last trial: Booting via EDK firmware. EDK starts, I select the ssd with the 7.8 image, OS boots, I see the OBSD boot prompt, can enter "set tty fb0", systems starts up to the small installation menu. But from now on the keyboard is dead or probably the system hangs. Bu when I not enter "set tty fb0", system ssems to start, the screen become black - but nothing comes onto the serial. Thats crazy, isn't it?
Better I wait for the OBSD 7.8-stable. Have just installed NetBSD instead. Regards Berni Am Mon, 22 Sep 2025 16:32:03 +0200 schrieb Mark Kettenis <[email protected]>: > > Date: Mon, 22 Sep 2025 13:25:35 +0200 > > From: Bernhard Ernst <[email protected]> > > Sorry Berni, > > At this moment it isn't possible to install OpenBSD on the Raspberry > Pi without a serial console. For that you need the Raspberry Pi Debug > Probe: > > https://www.raspberrypi.com/documentation/microcontrollers/debug-probe.html > > Or an equvalent device. > > The only reasonable workaround is to install OpenBSD on a Raspberry Pi > 3 or 4 and then move the SD card to the Raspberry Pi. > > Cheers, > > Mark > > > Thanks again for your kind help, Miguel. > > My problem seems to be that the u-boot image is nt found or not > > loaded. So booting always ends up with the u-boot logo. I can't see > > the reason for that, because the image off course is present. > > > > May it be important how the raspis boot order is configured? > > > > Regards > > Berni > > > > On Sun, 21 Sep 2025 20:30:31 +0000 > > Miguel Landaeta <[email protected]> wrote: > > > > > On Sun, Sep 21, 2025 at 08:43:25AM +0000, Bernhard Ernst wrote: > > > > > > > > I know that it should work in this way, but I have no chance to > > > > enter any character. The only output to HDMI is the nice little > > > > u-boot logo. That's all. No OpenBSD boot prompt, absolutely > > > > nothing. > > > > > > > > Did you change or add anything in the config.txt? > > > > > > I changed a few lines, trying to enable serial output on GPIOs > > > 14/15 with no luck (although I suspect a code change could be > > > needed in OpenBSD to get the secondary serial device to attach, > > > since there are at least 2 more serial devices not configured in > > > the dmesg I sent before). > > > > > > In any case, to get OpenBSD installed in the Pi 5, I didn't modify > > > the config.txt provided by the install images. > > > > > > This is what I have in that file for now: > > > > > > arm_64bit=1 > > > enable_uart=1 > > > dtoverlay=uart0-pi5 > > > dtparam=uart0=on > > > dtoverlay=disable-bt > > > kernel=u-boot.bin > > > dtparam=uart0_console > > > > > > What I gather from the docs is: the primary console will always be > > > available in the debug port (so, you need the debug probe cable or > > > something compatible with that). > > > > > > Once you get the serial output working, let the Pi firmware boot > > > and find u-boot, then in OpenBSD bootloader you can switch the > > > console to fb0 or continue with serial. > > > > > > Once you install OpenBSD, you can also configure /etc/boot.conf to > > > automate that and avoid using the debug probe. > > > > > > > >
