[PATCH v4 2/2] arm: mvebu: add Globalscale MOCHAbin support

[Robert Marko]

On Wed, Oct 27, 2021 at 10:34 PM Tom Rini <trini at konsulko.com> wrote:
>
> On Wed, Oct 27, 2021 at 10:11:36PM +0200, Robert Marko wrote:
> > On Wed, Oct 27, 2021 at 10:07 PM Tom Rini <trini at konsulko.com> wrote:
> > >
> > > On Wed, Oct 27, 2021 at 09:53:24PM +0200, Robert Marko wrote:
> > > > On Wed, Oct 27, 2021 at 9:48 PM Marek Behún <marek.behun at nic.cz> wrote:
> > > > >
> > > > > On Wed, 27 Oct 2021 21:40:11 +0200
> > > > > Robert Marko <robert.marko at sartura.hr> wrote:
> > > > >
> > > > > > To me, it also doesn't make sense to do it like that as what's the
> > > > > > purpose of having stuff that is completely unsupported in U-boot in
> > > > > > DTS?
> > > > >
> > > > > It makes sense because the device tree should compeltely describe the
> > > > > device. It doesn't matter if some of it's components don't have U-Boot
> > > > > drivers. Devicetree is independent on sw, and should be the same for
> > > > > Linux, BSD, and U-Boot.
> > > >
> > > > Trust me, I wish this was true, but I don't see it happening anytime soon
> > > > as bindings will always change but it is something to aspire to.
> > > > >
> > > > > > Also, take a look at other Armada 7k/8k devices, they are all doing it
> > > > > > the same way as I am.
> > > > >
> > > > > Some of them (most?) are, but that's just because we haven't synced
> > > > > them yet.
> > > > >
> > > > > But you don't need to do it now, IMO, if it would take too much work.
> > > >
> > > > The thing is that you cant just copy/paste the Linux DTS, it won't compile
> > > > as the SoC DTSI as well as CP DTSI are different.
> > > > Otherwise having a -u-boot.dtsi would work and I honestly don't have time
> > > > to sync those and then fix all of the regressions.
> > >
> > > The intention is that you copy/paste (well, cp) the DTS files in to
> > > U-Boot and then use -u-boot.dtsi to do whatever further is needed.
> >
> > I understand that, but SoC and CP DTSI-s are really out of sync with Linux,
> > it would require to pretty much override/delete half the DTS for -u-boot.dtsi
> > for it to work.
> > Otherwise, other 7k/8device would use -u-boot.dtsi as well.
>
> OK, so it needs to be done then and fixed up.  The files weren't
> supposed to get out of sync to start with.

I wish it were that simple, the biggest issue is dealing with the
regressions after
as U-boot drivers have also diverged in binding to some upstream ones.
And I seriously don't have time to do this all on my own and also
refactor all existing
7k/8k boards.

Regards,
Robert
>
> --
> Tom



-- 
Robert Marko
Staff Embedded Linux Engineer
Sartura Ltd.
Lendavska ulica 16a
10000 Zagreb, Croatia
Email: robert.marko at sartura.hr
Web: www.sartura.hr