[RESEND PATCH 2/2] arm64: dts: rockchip: add Coresight debug range for RK3399

Doug Anderson dianders at chromium.org
Wed Sep 8 08:09:44 PDT 2021


Hi,

On Tue, Sep 7, 2021 at 9:46 AM Brian Norris <briannorris at chromium.org> wrote:
>
> Per Documentation/devicetree/bindings/arm/coresight-cpu-debug.txt.
>
> This IP block can be used for sampling the PC of any given CPU, which is
> useful in certain panic scenarios where you can't get the CPU to stop
> cleanly (e.g., hard lockup).
>
> Signed-off-by: Brian Norris <briannorris at chromium.org>
> ---
>
>  arch/arm64/boot/dts/rockchip/rk3399.dtsi | 48 ++++++++++++++++++++++++
>  1 file changed, 48 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> index 3871c7fd83b0..c8c62637b600 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> @@ -433,6 +433,54 @@ usbdrd_dwc3_1: usb at fe900000 {
>                 };
>         };
>
> +       debug at fe430000 {

I think your sort order is wrong? 0xfe430000 comes before 0xfe900000?

Other than that this looks good to me.

Reviewed-by: Douglas Anderson <dianders at chromium.org>



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