On 5/3/24 17:34, Sean Anderson wrote:
Add coresight debug support to the device tree. This can be useful when panicking, especially when a core is hung in EL3. Signed-off-by: Sean Anderson <sean.anderson@xxxxxxxxx> --- .../arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi | 16 +++++++++++ arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 28 +++++++++++++++++++ 2 files changed, 44 insertions(+) diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi index dd4569e7bd95..60d1b1acf9a0 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi +++ b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi @@ -70,6 +70,22 @@ &cpu0 { clocks = <&zynqmp_clk ACPU>; };+&cpu0_debug {+ clocks = <&zynqmp_clk DBF_FPD>; +}; + +&cpu1_debug { + clocks = <&zynqmp_clk DBF_FPD>; +}; + +&cpu2_debug { + clocks = <&zynqmp_clk DBF_FPD>; +}; + +&cpu3_debug { + clocks = <&zynqmp_clk DBF_FPD>; +}; + &fpd_dma_chan1 { clocks = <&zynqmp_clk GDMA_REF>, <&zynqmp_clk LPD_LSBUS>; }; diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi index 25d20d803230..ec8d5d19ac1c 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi @@ -330,6 +330,34 @@ pmu@9000 { }; };+ cpu0_debug: debug@fec10000 {+ compatible = "arm,coresight-cpu-debug", "arm,primecell"; + reg = <0x0 0xfec10000 0x0 0x1000>; + clock-names = "apb_pclk"; + cpu = <&cpu0>; + }; + + cpu1_debug: debug@fed10000 { + compatible = "arm,coresight-cpu-debug", "arm,primecell"; + reg = <0x0 0xfed10000 0x0 0x1000>; + clock-names = "apb_pclk"; + cpu = <&cpu1>; + }; + + cpu2_debug: debug@fee10000 { + compatible = "arm,coresight-cpu-debug", "arm,primecell"; + reg = <0x0 0xfee10000 0x0 0x1000>; + clock-names = "apb_pclk"; + cpu = <&cpu2>; + }; + + cpu3_debug: debug@fef10000 { + compatible = "arm,coresight-cpu-debug", "arm,primecell"; + reg = <0x0 0xfef10000 0x0 0x1000>; + clock-names = "apb_pclk"; + cpu = <&cpu3>; + }; + /* GDMA */ fpd_dma_chan1: dma-controller@fd500000 { status = "disabled";
Applied. M
