Re: [PATCH 0/2] X1E001DE Snapdragon Devkit for Windows

From: Marc Zyngier
Date: Thu Oct 24 2024 - 12:28:43 EST


On Thu, 24 Oct 2024 17:15:28 +0100,
Johan Hovold <johan@xxxxxxxxxx> wrote:
>
> On Thu, Oct 24, 2024 at 05:02:29PM +0100, Marc Zyngier wrote:
>
> > The only change I made was to enable the ITS for pcie5, which was
> > routed via the PCIe MSI widget instead. But that's a SoC dtsi issue
> > for which I'll post a patch separately.
>
> That's done on purpose since the boot firmware is not setting things up
> so that we can use the ITS with PCIe5 (or PCIe3) when running in EL1
> currently.

Really? I guess they don't install a mapping for the ITS translation
register in the SMMUv3? That's rather sad.

I guess I will keep this as part of my "EL2-special" patch set then.
Feel free to ignore the patch I have just sent.

Thanks,

M.

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