Re: [Xen-devel] [PATCH v1 4/4] xen/arm: Reuse R-Car Gen2 platform code for Stout board

[Julien Grall <julien.grall@xxxxxxx>]

On 08/09/2018 05:18 PM, Oleksandr Tyshchenko wrote:
> On Thu, Aug 9, 2018 at 7:10 PM, Julien Grall <julien.grall@xxxxxxx> wrote:
> > Somehow I thought the platform was 64-bit and found a SOC name very similar
> > to it. Sorry for the confusion. PSCI seems indeed not supported for that
> > platform.
> R-Car Gen3 is ARM64 (H2 SoC -> r8a7790) and does support PSCI.
> But R-Car Gen2 is ARM32 (H2 SoC -> r8a7790)
>
> > However, the code looks fairly different than what we have in Xen. For
> > instance secondary CPU seems to require to initialize CNTVOFF, the function
> > to power on a CPU also looks different.
> Sorry, which code you are taking about, U-Boot or Linux?
The SMP code in Linux vs the SMP code in Xen for the R-Car. In most of 
the cases, Xen should replicate what Linux does.
I am trying to understand why such differences at the moment.

Cheers,

--
Julien Grall

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