Commit 8d58f4d2 authored by Alexander Stein's avatar Alexander Stein Committed by Shawn Guo
Browse files

arm64: dts: imx8mq: Add coresight trace components 



Add coresight trace components (ETM, ETF, ETB and Funnel).

┌───────┐  ┌───────┐  ┌───────┐
│ CPU0  ├─►│ ETM0  ├─►│       │
└───────┘  └───────┘  │       │
                      │       │
┌───────┐  ┌───────┐  │  ATP  │
│ CPU1  ├─►│ ETM1  ├─►│       │
└───────┘  └───────┘  │       │
                      │ FUNNEL│
┌───────┐  ┌───────┐  │       │
│ CPU2  ├─►│ ETM2  ├─►│       │
└───────┘  └───────┘  │       │   ┌─────┐
                      │       │   │     │
┌───────┐  ┌───────┐  │       │   │ M4  │
│ CPU3  ├─►│ ETM3  ├─►│       │   │     │
└───────┘  └───────┘  └───┬───┘   └──┬──┘                        AXI
                          │          │                            ▲
                          ▼          ▼                            │
                      ┌───────────────────────────┐   ┌─────┐   ┌─┴──┐
                      │          ATP FUNNEL       ├──►│ ETF ├─► │ETR │
                      └───────────────────────────┘   └─────┘   └────┘

Signed-off-by: default avatarAlexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 5296d8f4

arch/arm64/boot/dts/freescale/imx8mq.dtsi

+192 −0
Original line number Diff line number Diff line
@@ -330,6 +330,198 @@ soc: soc@0 { 
		nvmem-cells = <&imx8mq_uid>;

		nvmem-cell-names = "soc_unique_id";



		etm0: etm@28440000 {

			compatible = "arm,coresight-etm4x", "arm,primecell";

			reg = <0x28440000 0x1000>;

			cpu = <&A53_0>;

			clocks = <&clk IMX8MQ_CLK_MAIN_AXI>;

			clock-names = "apb_pclk";



			out-ports {

				port {

					etm0_out_port: endpoint {

						remote-endpoint = <&ca_funnel_in_port0>;

					};

				};

			};

		};



		etm1: etm@28540000 {

			compatible = "arm,coresight-etm4x", "arm,primecell";

			reg = <0x28540000 0x1000>;

			cpu = <&A53_1>;

			clocks = <&clk IMX8MQ_CLK_MAIN_AXI>;

			clock-names = "apb_pclk";



			out-ports {

				port {

					etm1_out_port: endpoint {

						remote-endpoint = <&ca_funnel_in_port1>;

					};

				};

			};

		};



		etm2: etm@28640000 {

			compatible = "arm,coresight-etm4x", "arm,primecell";

			reg = <0x28640000 0x1000>;

			cpu = <&A53_2>;

			clocks = <&clk IMX8MQ_CLK_MAIN_AXI>;

			clock-names = "apb_pclk";



			out-ports {

				port {

					etm2_out_port: endpoint {

						remote-endpoint = <&ca_funnel_in_port2>;

					};

				};

			};

		};



		etm3: etm@28740000 {

			compatible = "arm,coresight-etm4x", "arm,primecell";

			reg = <0x28740000 0x1000>;

			cpu = <&A53_3>;

			clocks = <&clk IMX8MQ_CLK_MAIN_AXI>;

			clock-names = "apb_pclk";



			out-ports {

				port {

					etm3_out_port: endpoint {

						remote-endpoint = <&ca_funnel_in_port3>;

					};

				};

			};

		};



		funnel {

			/*

			 * non-configurable funnel don't show up on the AMBA

			 * bus.  As such no need to add "arm,primecell".

			 */

			compatible = "arm,coresight-static-funnel";



			in-ports {

				#address-cells = <1>;

				#size-cells = <0>;



				port@0 {

					reg = <0>;



					ca_funnel_in_port0: endpoint {

						remote-endpoint = <&etm0_out_port>;

					};

				};



				port@1 {

					reg = <1>;



					ca_funnel_in_port1: endpoint {

						remote-endpoint = <&etm1_out_port>;

					};

				};



				port@2 {

					reg = <2>;



					ca_funnel_in_port2: endpoint {

						remote-endpoint = <&etm2_out_port>;

					};

				};



				port@3 {

					reg = <3>;



					ca_funnel_in_port3: endpoint {

						remote-endpoint = <&etm3_out_port>;

					};

				};

			};



			out-ports {

				port {

					ca_funnel_out_port0: endpoint {

						remote-endpoint = <&hugo_funnel_in_port0>;

					};

				};

			};

		};



		funnel@28c03000 {

			compatible = "arm,coresight-dynamic-funnel", "arm,primecell";

			reg = <0x28c03000 0x1000>;

			clocks = <&clk IMX8MQ_CLK_MAIN_AXI>;

			clock-names = "apb_pclk";



			in-ports {

				#address-cells = <1>;

				#size-cells = <0>;



				port@0 {

					reg = <0>;



					hugo_funnel_in_port0: endpoint {

						remote-endpoint = <&ca_funnel_out_port0>;

					};

				};



				port@1 {

					reg = <1>;



					hugo_funnel_in_port1: endpoint {

					/* M4 input */

					};

				};

				/* the other input ports are not connect to anything */

			};



			out-ports {

				port {

					hugo_funnel_out_port0: endpoint {

						remote-endpoint = <&etf_in_port>;

					};

				};

			};

		};



		etf@28c04000 {

			compatible = "arm,coresight-tmc", "arm,primecell";

			reg = <0x28c04000 0x1000>;

			clocks = <&clk IMX8MQ_CLK_MAIN_AXI>;

			clock-names = "apb_pclk";



			in-ports {

				port {

					etf_in_port: endpoint {

						remote-endpoint = <&hugo_funnel_out_port0>;

					};

				};

			};



			out-ports {

				port {

					etf_out_port: endpoint {

						remote-endpoint = <&etr_in_port>;

					};

				};

			};

		};



		etr@28c06000 {

			compatible = "arm,coresight-tmc", "arm,primecell";

			reg = <0x28c06000 0x1000>;

			clocks = <&clk IMX8MQ_CLK_MAIN_AXI>;

			clock-names = "apb_pclk";



			in-ports {

				port {

					etr_in_port: endpoint {

						remote-endpoint = <&etf_out_port>;

					};

				};

			};

		};



		aips1: bus@30000000 { /* AIPS1 */

			compatible = "fsl,aips-bus", "simple-bus";

			reg = <0x30000000 0x400000>;