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.hu...@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.hu...@embedded-brains.de > PGP : Public key available on request. > > Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG. > >
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