[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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