[PATCH v2 0/2] arm64: dts: renesas: r8a77970: Add SMP Support
Simon Horman
horms at verge.net.au
Wed May 9 12:08:05 PDT 2018
On Wed, May 09, 2018 at 05:23:21PM +0200, Geert Uytterhoeven wrote:
> Hi Simon, Magnus,
>
> This patch series enables SMP support on the R-Car V3M SoC, by adding
> the second Cortex-A53 CPU core. It also adds the performance monitor
> unit, and links it to both CPU cores.
>
> Changes compared to v1:
> - Adjust GIC_CPU_MASK_SIMPLE(),
> - Use symbolic core clock and power domain indices,
> - Move the pmu node from the soc subnode to the root node, as it
> doesn't have registers.
>
> Note that the PSCI implementation on Eagle may be a preliminary version
> with some familiar quirks:
> - SMP bringup works, and both CPUs can be used,
> - Offlining CPU0 crashes the system,
> - CPU1 can be offlined, but trying to bring it online again crashes
> the system, too.
>
> I'm confident these will be fixed in future firmware versions, just like
> on H3/Salvator-X. Note that
> git at github.com:renesas-rcar/arm-trusted-firmware.git does not have
> support for R-Car V3M, V3H, and D3.
>
> Thanks!
>
> Geert Uytterhoeven (2):
> arm64: dts: renesas: r8a77970: Add secondary CA53 CPU core
> arm64: dts: renesas: r8a77970: Add Cortex-A53 PMU node
Thanks, applied.
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