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Wed, 19 Jul 2023 11:06:19 +0200 (CEST) From: Alexander Stein To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Fabio Estevam Cc: Alexander Stein , Pengutronix Kernel Team , NXP Linux Team , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Frank Li Subject: [PATCH v2 1/1] arm64: dts: imx8mq: Add coresight trace components Date: Wed, 19 Jul 2023 11:06:16 +0200 Message-Id: <20230719090616.1954001-1-alexander.stein@ew.tq-group.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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: Alexander Stein --- Changes in v2: * Adjust reg size * Remove arm,primecell-periphid This is a 1:1 copy from commit 71c2ac9a2a3da ("arm64: dts: imx8mp: Add coresight trace components") with the following changes: * Adjust clock names * Replace (Cortex-)M7 with M4 in comment * Remove Audio DSP funnel port * Changes from ba345b77fae7 ("arm64: dts: imx8mp: remove arm,primecell-periphid at etm nodes") included as well I was able to test ETM using tools/perf/tests/shell/test_arm_coresight.sh But I'm getting timeout errors for Manual Flushs, same on imx8mp though. arch/arm64/boot/dts/freescale/imx8mq.dtsi | 192 ++++++++++++++++++++++ 1 file changed, 192 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi index 0a0ec80a0b0c..7f4194c33683 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi @@ -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>;