[fedora-arm] Re: U-Boot vs EDK2 on Pi 4

On Tue, 16 Sept 2025 at 01:08, Chris Adams via arm
<arm@lists.fedoraproject.org> wrote:
>
> Once upon a time, Peter Robinson <pbrobinson@gmail.com> said:
> > > Why choose U-Boot for booting on a Pi 4 (or other ARM, but Pi 4 is what
> > > I've got)? I still have issues with U-Boot not having a way to disable
> > > serial console (so booting headless with my GPS HAT can be hit or miss,
> > > sometimes I have to power-cycle to get it to boot). IIRC EDK2 allows
> > > disabling the serial console so this isn't a problem.
> > >
> > > Would it be practical to get EDK2 into Fedora as an alternate boot
> > > option?
> >
> > There's a lot of other problems with the EDK2 support, it's fine for
> > some usecases and not for others.
> >
> > Given that we have to support U-Boot on all the 100s of other devices
> > we support U-Boot has always made sense because EDK2 support is a lot
> > more varied and it ends up being a game of whack-a-mole in
> > forks/branches so in general it's an order of magnitude less work to
> > support U-Boot even though it's not perfect, but then nor is EDK2.
>
> I get it - trying to deal with more than one loader is a lot of extra
> work. I may still try to make an EDK2 RPM for the Pi 4, to work on my
> particular issue... if I could get that to build in a Fedora-compatible
> way, would that be something I could submit to Fedora? I don't want to
> make U-Boot life harder, but having the option (at least on select, aka
> one, platforms) might be useful.

Assuming there's no binary drivers in the EDK2, you consume the
standard RPi firmware package, and you support any issues on the
raspberry pi that result from it, sure. If you want to make it default
you'll need to be copied on all the raspberry pi bugs.
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