[PATCH 11/11] arm64: dts: Add Pensando Elba SoC support

Marc Zyngier maz at kernel.org
Sat Apr 9 02:18:20 PDT 2022


On Sat, 09 Apr 2022 03:38:55 +0100,
Brad Larson <brad at pensando.io> wrote:
> 
> On Thu, Apr 7, 2022 at 12:57 AM Marc Zyngier <maz at kernel.org> wrote:
> >
> > > +             gic: interrupt-controller at 800000 {
> > > +                     compatible = "arm,gic-v3";
> > > +                     #interrupt-cells = <3>;
> > > +                     #address-cells = <2>;
> > > +                     #size-cells = <2>;
> > > +                     ranges;
> > > +                     interrupt-controller;
> > > +                     reg = <0x0 0x800000 0x0 0x200000>,      /* GICD */
> > > +                           <0x0 0xa00000 0x0 0x200000>;      /* GICR */
> >
> > You are still missing the GICV and GICH regions that are
> > provided by the CPU. I already pointed that out in [1].
> >
> > The Cortex-A72 TRM will tell you where to find them (at
> > an offset from PERIPHBASE).
> 
> Hi Marc,
> 
> Got the addresses, neither region is used, and will be included in the
> next submission.

Not sure what you mean by these regions being unused here (the Linux
kernel definitely makes use of them). Note that you'll also need to
add GICC (which I forgot to mention above).

	M.

-- 
Without deviation from the norm, progress is not possible.



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