[RESEND PATCH 2/2] arm64: dts: rockchip: add Coresight debug range for RK3399
Leo Yan
leo.yan at linaro.org
Tue Sep 7 19:09:31 PDT 2021
On Tue, Sep 07, 2021 at 09:46:37AM -0700, Brian Norris 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>
Looks good to me, FWIW:
Reviewed-by: Leo Yan <leo.yan at linaro.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 {
> + compatible = "arm,coresight-cpu-debug", "arm,primecell";
> + reg = <0 0xfe430000 0 0x1000>;
> + clocks = <&cru PCLK_COREDBG_L>;
> + clock-names = "apb_pclk";
> + cpu = <&cpu_l0>;
> + };
> +
> + debug at fe432000 {
> + compatible = "arm,coresight-cpu-debug", "arm,primecell";
> + reg = <0 0xfe432000 0 0x1000>;
> + clocks = <&cru PCLK_COREDBG_L>;
> + clock-names = "apb_pclk";
> + cpu = <&cpu_l1>;
> + };
> +
> + debug at fe434000 {
> + compatible = "arm,coresight-cpu-debug", "arm,primecell";
> + reg = <0 0xfe434000 0 0x1000>;
> + clocks = <&cru PCLK_COREDBG_L>;
> + clock-names = "apb_pclk";
> + cpu = <&cpu_l2>;
> + };
> +
> + debug at fe436000 {
> + compatible = "arm,coresight-cpu-debug", "arm,primecell";
> + reg = <0 0xfe436000 0 0x1000>;
> + clocks = <&cru PCLK_COREDBG_L>;
> + clock-names = "apb_pclk";
> + cpu = <&cpu_l3>;
> + };
> +
> + debug at fe610000 {
> + compatible = "arm,coresight-cpu-debug", "arm,primecell";
> + reg = <0 0xfe610000 0 0x1000>;
> + clocks = <&cru PCLK_COREDBG_B>;
> + clock-names = "apb_pclk";
> + cpu = <&cpu_b0>;
> + };
> +
> + debug at fe710000 {
> + compatible = "arm,coresight-cpu-debug", "arm,primecell";
> + reg = <0 0xfe710000 0 0x1000>;
> + clocks = <&cru PCLK_COREDBG_B>;
> + clock-names = "apb_pclk";
> + cpu = <&cpu_b1>;
> + };
> +
> cdn_dp: dp at fec00000 {
> compatible = "rockchip,rk3399-cdn-dp";
> reg = <0x0 0xfec00000 0x0 0x100000>;
> --
> 2.33.0.153.gba50c8fa24-goog
>
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