[PATCH 04/40] arm: Allow supporting ACPI-table generation

[François Ozog]

Hi

Le mer. 1 déc. 2021 à 18:11, Tom Rini <trini at konsulko.com> a écrit :

> On Wed, Dec 01, 2021 at 05:49:54PM +0100, Mark Kettenis wrote:
> > > From: Simon Glass <sjg at chromium.org>
> > > Date: Wed,  1 Dec 2021 09:02:38 -0700
> > >
> > > Some ARM boards are using ACPI now. It seems that U-Boot should support
> > > this method. Add ARM to the list of archs which can generate ACPI
> tables.
> >
> > Can you explain why you think U-Boot should care?
> >
> > Because I think promoting ACPI as a viable firmware interface for the
> > type of boards supported by U-Boot would be a serious mistake...
>
> Given the large overlap of SoCs that support both SystemReady IR and
> SystemReady ES, I asked Simon how hard it would be to pass ACPI tables,
> instead of DTB.  Are there going to be some challenges to be able to get
> ES certified under U-Boot?  Certainly.  But I'm not convinced that
> U-Boot is just a wrong-fit for the ES case when part of the whole point
> of these certifications is that it doesn't matter what's implementing
> it, it's a standard.
>
looks like an exciting endeavor !
If we factor in safety certification, there are probably more chances to
achieve this with U-Boot that EDK2. That said, AML implementation in
U-Boot, which may end up being necessary, need special care.

>
> --
> Tom
>
-- 
François-Frédéric Ozog | *Director Business Development*
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