ARM GICv3 Support

[Will]

Great, thanks! That will make initial bringup a little bit easier while
deciding whether I need to write a full GICv3 driver.

William

On Wed, Oct 24, 2018 at 6:16 AM Sebastian Huber <
sebastian.huber at embedded-brains.de> wrote:

> Hello Will,
>
> On 23/10/2018 20:28, Will wrote:
> > Hi,
> > I'm currently doing some evaluations for an ARMv8 BSP which would
> > necessarily include a GIC that implements the GICv3 spec[1]. I see
> > that there is a shared GIC driver for ARM that seems to implement the
> > ARM GICv1 spec based on the BSPs in which it is used.
> >
> > Is anyone aware of whether the shared ARM GIC driver can also drive
> > GICv2 implementations and thus possibly drive GICv3 implementations in
> > legacy mode (see section 1.3.6 of the spec) with minor
> > alterations/restrictions?
> >
> > I suspect that this is the case since GICv2 appears to be purely
> > extensions to GICv1, but it would be nice to have confirmation from
> > someone better versed in the implementation.
>
> the Cortex-A7 MPCore equipped on the i.MX 7D uses a GIC v2.0. So, GICv2
> is supported.
>
> --
> Sebastian Huber, embedded brains GmbH
>
> Address : Dornierstr. 4, D-82178 Puchheim, Germany
> Phone   : +49 89 189 47 41-16
> Fax     : +49 89 189 47 41-09
> E-Mail  : sebastian.huber at embedded-brains.de
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>
> Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
>
>
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