mvebu - switch to orion-timer

[Tony Dinh]

Hi Stefan,

On Mon, Aug 29, 2022 at 5:50 AM Pali Rohár <pali at kernel.org> wrote:
>
> On Monday 29 August 2022 14:07:29 Stefan Roese wrote:
> > Hi Michael, Pali, Tony & all,
> >
> > On 24.08.22 09:35, Michael Walle wrote:
> > > Hi,
> > >
> > > > On 24.08.22 00:33, Pali Rohár wrote:
> > > > > Hello Stefan! Now when U-Boot contains new orion-timer.c driver, which
> > > > > Michael wrote, I think that it mvebu platform should switch to use it.
> > > > > Because build process for armada boards prints deprecation warning that
> > > > > new timer is not being used. Could you look at it, if it is possible to
> > > > > do global switch for mach-mvebu and mach-kirkwood? I think it does not
> > > > > make sense to do per-board switching as it is de-facto platform related
> > > > > code.
> > > >
> > > > Yes, I also though about this.
> > > >
> > > > But...
> > > >
> > > > In Linux we have 2 different timer clocksource drivers for Orion /
> > > > Kirkwood and Armada XP / 370 etc:
> > > >
> > > > drivers/clocksource/timer-orion.c
> > > > drivers/clocksource/timer-armada-370-xp.c
> > > >
> > > > I did not check, if and why this is necessary to handle those chips
> > > > via different drivers yet. Perhaps later this week. Or someone of
> > > > you beats me with this. ;)
> > >
> > > One thing which is definitely missing is
> > > https://elixir.bootlin.com/u-boot/v2022.10-rc3/source/arch/arm/mach-mvebu/timer.c#L33
> > >
> > > I didn't bother to handle that one. And of course all the compatibles are
> > > missing.
> >
> > Thanks. Just a short status update:
> >
> > I'm currently busy with this CONFIG_TIMER migration for MVEBU /
> > Kirkwood. Looks good so far - I can only test on Armada XP right now.
> > So I need some extensive testing on all other kind of Marvell 32bit
> > users / developers. I expect to send the first draft patchset in a few
> > days.
> >
> > Thanks,
> > Stefan
>
> I will test it on Turris Omnia - A385.

I will test it on a few Kirkwood boards (88F6281, 88F6282, 88F6192).
Please let us know if you have any particular suggestion for a good
test.

Best,
Tony