> Date: Tue, 30 Jan 2024 13:10:46 +0000
> From: Stuart Henderson <s...@spacehopper.org>
> 
> On 2024/01/29 23:37, Krystian Lewandowski wrote:
> > Just made a dumb attempt to boot OpenBSD 7.4 on a Raspberry Pi 5, and
> > thought I may share if anyone was wondering.
> > 
> > Maybe with newer u-boot?  I'm not even sure what's the state of u-boot
> > support for RPi5 at the moment.
> 
> There's a set of patches for RPi5 support in U-Boot but they haven't
> made it into the main upstream distribution yet.
> 
> https://lore.kernel.org/u-boot/105290de-01e2-42e4-a272-cb1f66111...@suse.com/T/#me0d78fc5b7f769e2662c635ad13af283b3cd11fe
> 
> The EDK2-based firmware (possibly in ACPI mode) maybe a better bet for
> now but expect there to be a lot that's not working yet:
> 
> https://github.com/worproject/rpi5-uefi
> 
> RPi5 has a new IO controller handling a lot of the devices (including
> USB, Ethernet, GPIO, eMMC/SDIO),
> 
> https://www.raspberrypi.com/news/rp1-the-silicon-controlling-raspberry-pi-5-i-o-designed-here-at-raspberry-pi/
> 

According to the status table, that UEFI firmware lacks support for
the new IO controller, so most stuff will not work.

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