On 28/03/17 12:48, Jon Hunter wrote:
> Add the CPU and PSCI nodes for the NVIDIA Tegra210 platforms so that
> all CPUs can be enabled on boot. This assumes that the PSCI firmware
> has been loaded during the initial bootstrap on the device before the
> kernel starts (which is typically the case for these platforms). The
> PSCI firmware version is set to v0.2 which aligns with the current
> shipping version for Tegra.
>
> Reported-by: Martin Michlmayr <tbm@xxxxxxxxxx>
> Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx>
> ---
> arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi | 23 +++++++++++++++++++++++
> arch/arm64/boot/dts/nvidia/tegra210-p2530.dtsi | 24 ++++++++++++++++++++++++
> 2 files changed, 47 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
> index 906fb836d241..de1696c28140 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
> +++ b/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
> @@ -296,6 +296,29 @@
> };
> };
>
> + cpus {
> + cpu@0 {
> + enable-method = "psci";
Is some firmware expected to populate other required properties ?
If yes, why not populate everything in the firmware ?
If no, how does it even boot secondaries without the "reg" property
that usually contains MPIDR.
--
Regards,
Sudeep
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