[PATCH] arm64: dts: foundation-v8: Enable PSCI mode

Daniel Thompson daniel.thompson at linaro.org
Tue Sep 19 08:59:15 PDT 2017

On 18/09/17 17:12, Mark Rutland wrote:
> Hi Daniel,
> On Mon, Sep 18, 2017 at 04:38:32PM +0100, Daniel Thompson wrote:
>> Currently if the Foundation model is running ARM Trusted Firmware then
>> the kernel, which is configured to use spin tables, cannot start secondary
>> processors or "power off" the simulation.
>> Add a couple of labels to the include file, and introduce a new .dts
>> file that uses these to override the enable-method.
>> Signed-off-by: Daniel Thompson <daniel.thompson at linaro.org>
> This looks good, but has the unfortunate effect of leaving the
> (irrelevant) cpu-release-addr property in the PSCI dts files, as that's
> in the underlying dtsi file.
> Could we split spin-table / PSCI parts into separate dtsi files?
> e.g. have:
> * foundation-v8.dtsi
> * foundation-v8-gicv{2,3}.dtsi
> * foundation-v8-{psci,spin-table}.dtsi
> ... and then combine those to build the dts files we want.

Will do.

> FWIW, with that:
> Acked-by: Mark Rutland <mark.rutland at arm.com>

Talking about what we want... if it's all split out I might as well add 
a gicv2+psci DT as well. Will that still retain your Acked-by or do you 
want to see it first ;-) ?


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