[PATCH 0/3] Revert HAFDBS changes

[Chris Packham]

On Fri, 10 Nov 2023, 10:33 am Tom Rini, <trini at konsulko.com> wrote:

> On Fri, Oct 27, 2023 at 01:22:37PM -0400, Tom Rini wrote:
> > On Fri, Oct 27, 2023 at 10:49:47AM +0100, Pierre-Clément Tosi wrote:
> > > Hi Chris,
> > >
> > > On Fri, Oct 27, 2023 at 01:23:51PM +1300, Chris Packham wrote:
> > > > As discussed this series reverts the HAFDBS changes that caused an
> issue
> > > > on AC5/AC5X. I think there are some improvements that can be made to
> the
> > > > initial memory map for the AC5/AC5X but so far nothing I've found
> makes
> > > > it compatible with the HAFDBS changes.
> > >
> > > Would you mind briefly explaining what those issues are and/or point
> me to the
> > > discussion where it was decided to revert these patches?
> > >
> > > The feature is quite useful for users of CONFIG_CMO_BY_VA_ONLY, to
> speed up the
> > > boot sequence: instead of reverting these patches altogether, would a
> reasonable
> > > alternative be to put them behind a build option?
> > >
> > > Also, could you confirm that the "initial memory map" you are
> referring to above
> > > only describes actual memory as, IIRC, some boards were using mappings
> **much**
> > > larger than their DRAM address space?
> >
> > The most details are in this thread:
> >
> https://lore.kernel.org/u-boot/CAFOYHZC_Dveax85n0fLr5BFyZcLqsvUssn=J0oHyvN75bTaCUw@mail.gmail.com/
> > with some follow-up in:
> >
> https://lore.kernel.org/u-boot/CAFOYHZB7jJWwD24oWzx6u55w2whHYjK56f=QyN0LWU4Z8dSP+Q@mail.gmail.com/
>
> Checking to see if you have any feedback for these platforms? I would
> like to have them working again one way or another in v2024.01, thanks.
>

Either this series or
https://lore.kernel.org/u-boot/20231018205358.1557234-1-judge.packham@gmail.com/
will get the AC5X boards back working. I'm out of other ideas but happy to
test patches.

>