diff options
| author | Brian Norris <briannorris@chromium.org> | 2021-09-08 11:13:40 -0700 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2021-09-20 15:13:24 +0200 |
| commit | 75dccea503b8e176ad044175e891d7bb291b6ba0 (patch) | |
| tree | 34375a4fd49b8568c0a38ccfcc7eeb240d9ba478 /arch/arm64/boot/dts/rockchip/rk3399.dtsi | |
| parent | 4b90e34d9a3ba25a62e4ea42d63fbe6c7fb11ed1 (diff) | |
arm64: dts: rockchip: add Coresight debug range for RK3399
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).
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Brian Norris <briannorris@chromium.org>
Link: https://lore.kernel.org/r/20210908111337.v2.3.Ibc87b4785709543c998cc852c1edaeb7a08edf5c@changeid
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Diffstat (limited to 'arch/arm64/boot/dts/rockchip/rk3399.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/rockchip/rk3399.dtsi | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi index 44def886b391..eaf569674db2 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi @@ -361,6 +361,54 @@ status = "disabled"; }; + debug@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@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@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@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@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@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>; + }; + usbdrd3_0: usb@fe800000 { compatible = "rockchip,rk3399-dwc3"; #address-cells = <2>; |