Hi, > On 17 Jan 2024, at 17:13, Jens Maus <m...@jens-maus.de> wrote: > > Hi, > >> Am 17.01.2024 um 16:07 schrieb Ivan T. Ivanov <iiva...@suse.de>: >> >> On 01-12 14:10, Jens Maus wrote: >>> >>> Hi Ivan, >>> >>> first of all, thanks for the updated rpi5 patchset. However, I am unable to >>> reproduce that it is actually working as you suggest. Could you please >>> quickly elaborate on your test environment and the test config.txt for the >>> RaspberryPi5? Here I have compiled U-Boot 2024.01 with your patches applied >>> and using the „rpi_arm64_defconfig“, put the u-boot.bin file on the sd card >>> and then added „kernel=u-boot.bin“ to the config.txt file. The environment >>> I am using is a buildroot-based system which boots nicely with the default >>> RaspberryPi boot loader and a RaspberryPi5. However, as soon as I replace >>> the „kernel=Image“ line with „kernel=u-boot.bin“ the system stalls and >>> there is no HDMI output (nor any console output) with the u-boot 2024.01 >>> version and your patches applied. >>> >> >> Yes, I am using rpi_arm64_defconfig for building the U-Boot. >> And as I wrote in the cover letter I am using openSUSE Tumbleweed >> image[1], [2]. Once you copy image to uSD card mount EFI uSD >> partition and copy new u-boot.bin over existing one. That >> it is. Just make sure you clearly sync, unmount the card. >> You can find config.txt file in the EFI partition. > > That’s in fact exactly what I was also trying in addition to get u-boot > running with your patches in my own buildroot-based environment. So I was > also exactly using this Tumbleweed rpi4 image and simply replaced the > u-boot.bin file with my own build version which I built with your patches > applied and using the rpi_arm64_defconfig as the build config. However, there > is still no output on any of the HDMI ports. Haven’t tried to see if there is > any serial output on the special UART debug port of the rpi5. Should there be > any output at all?
Unfortunately on RPi5 they moved UART debug port to separate connector [1], [2]. Let me update my Tumbleweed image and check again. Just to reiterate that if not properly syncing content to uSD card could have strange side effects. Regards, Ivan [1] https://www.raspberrypi.com/documentation/computers/raspberry-pi-5.html [2] https://www.youtube.com/watch?v=kP2S3JUH-qk
