From 3adab7c796f60338f9c1c7bdbc7f24eaf39acf96 Mon Sep 17 00:00:00 2001 From: Frank Li Date: Tue, 30 Jun 2015 22:58:11 +0800 Subject: [PATCH] ARM: dts: imx7d: add cortex-a7 coresight component Added etm, etb, funnel and replicator usage example: echo 1 >/sys/bus/coresight/devices/30086000.etr/enable_sink echo 1 >/sys/bus/coresight/devices/3007c000.etm/enable_source coresight-tmc 30086000.etr: TMC enabled coresight-replicator replicator.1: REPLICATOR enabled coresight-tmc 30084000.tmc: TMC enabled coresight-funnel 30083000.funnel: FUNNEL inport 0 enabled coresight-funnel 30041000.funnel: FUNNEL inport 0 enabled coresight-etm3x 3007c000.etm: ETM tracing enabled etm enable here. trace data save at /dev/30086000.etr cat /dev/30086000.etr > trace.data coresight-tmc 30086000.etr: TMC read start coresight-tmc 30086000.etr: TMC read end use ptm2human(https://github.com/hwangcc23/ptm2human) to show trace data ptm2human -i trace.data Signed-off-by: Frank Li Acked-by: Mathieu Poirier Signed-off-by: Shawn Guo --- arch/arm/boot/dts/imx7d.dtsi | 203 +++++++++++++++++++++++++++++++++++ 1 file changed, 203 insertions(+) diff --git a/arch/arm/boot/dts/imx7d.dtsi b/arch/arm/boot/dts/imx7d.dtsi index b4cd8fdfb101..9014b8071b19 100644 --- a/arch/arm/boot/dts/imx7d.dtsi +++ b/arch/arm/boot/dts/imx7d.dtsi @@ -121,6 +121,209 @@ clock-output-names = "osc"; }; + etr@30086000 { + compatible = "arm,coresight-tmc", "arm,primecell"; + reg = <0x30086000 0x1000>; + clocks = <&clks IMX7D_MAIN_AXI_ROOT_CLK>; + clock-names = "apb_pclk"; + + port { + etr_in_port: endpoint { + slave-mode; + remote-endpoint = <&replicator_out_port1>; + }; + }; + }; + + tpiu@30087000 { + compatible = "arm,coresight-tpiu", "arm,primecell"; + reg = <0x30087000 0x1000>; + clocks = <&clks IMX7D_MAIN_AXI_ROOT_CLK>; + clock-names = "apb_pclk"; + + port { + tpiu_in_port: endpoint { + slave-mode; + remote-endpoint = <&replicator_out_port1>; + }; + }; + }; + + replicator { + /* + * non-configurable replicators don't show up on the + * AMBA bus. As such no need to add "arm,primecell" + */ + compatible = "arm,coresight-replicator"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + /* replicator output ports */ + port@0 { + reg = <0>; + replicator_out_port0: endpoint { + remote-endpoint = <&tpiu_in_port>; + }; + }; + + port@1 { + reg = <1>; + replicator_out_port1: endpoint { + remote-endpoint = <&etr_in_port>; + }; + }; + + /* replicator input port */ + port@2 { + reg = <0>; + replicator_in_port0: endpoint { + slave-mode; + remote-endpoint = <&etf_out_port>; + }; + }; + }; + }; + + etf@30084000 { + compatible = "arm,coresight-tmc", "arm,primecell"; + reg = <0x30084000 0x1000>; + clocks = <&clks IMX7D_MAIN_AXI_ROOT_CLK>; + clock-names = "apb_pclk"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + etf_in_port: endpoint { + slave-mode; + remote-endpoint = <&hugo_funnel_out_port0>; + }; + }; + + port@1 { + reg = <0>; + etf_out_port: endpoint { + remote-endpoint = <&replicator_in_port0>; + }; + }; + }; + }; + + funnel@30083000 { + compatible = "arm,coresight-funnel", "arm,primecell"; + reg = <0x30083000 0x1000>; + clocks = <&clks IMX7D_MAIN_AXI_ROOT_CLK>; + clock-names = "apb_pclk"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + /* funnel input ports */ + port@0 { + reg = <0>; + hugo_funnel_in_port0: endpoint { + slave-mode; + remote-endpoint = <&ca_funnel_out_port0>; + }; + }; + + port@1 { + reg = <1>; + hugo_funnel_in_port1: endpoint { + slave-mode; /* M4 input */ + }; + }; + + port@2 { + reg = <0>; + hugo_funnel_out_port0: endpoint { + remote-endpoint = <&etf_in_port>; + }; + }; + + /* the other input ports are not connect to anything */ + }; + }; + + funnel@30041000 { + compatible = "arm,coresight-funnel", "arm,primecell"; + reg = <0x30041000 0x1000>; + clocks = <&clks IMX7D_MAIN_AXI_ROOT_CLK>; + clock-names = "apb_pclk"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + /* funnel input ports */ + port@0 { + reg = <0>; + ca_funnel_in_port0: endpoint { + slave-mode; + remote-endpoint = <&etm0_out_port>; + }; + }; + + port@1 { + reg = <1>; + ca_funnel_in_port1: endpoint { + slave-mode; + remote-endpoint = <&etm1_out_port>; + }; + }; + + /* funnel output port */ + port@2 { + reg = <0>; + ca_funnel_out_port0: endpoint { + remote-endpoint = <&hugo_funnel_in_port0>; + }; + }; + + /* the other input ports are not connect to anything */ + }; + }; + + etm@3007c000 { + compatible = "arm,coresight-etm3x", "arm,primecell"; + reg = <0x3007c000 0x1000>; + cpu = <&cpu0>; + clocks = <&clks IMX7D_MAIN_AXI_ROOT_CLK>; + clock-names = "apb_pclk"; + + port { + etm0_out_port: endpoint { + remote-endpoint = <&ca_funnel_in_port0>; + }; + }; + }; + + etm@3007d000 { + compatible = "arm,coresight-etm3x", "arm,primecell"; + reg = <0x3007d000 0x1000>; + + /* + * System will hang if added nosmp in kernel command line + * without arm,primecell-periphid because amba bus try to + * read id and core1 power off at this time. + */ + arm,primecell-periphid = <0xbb956>; + cpu = <&cpu1>; + clocks = <&clks IMX7D_MAIN_AXI_ROOT_CLK>; + clock-names = "apb_pclk"; + + port { + etm1_out_port: endpoint { + remote-endpoint = <&ca_funnel_in_port1>; + }; + }; + }; + soc { #address-cells = <1>; #size-cells = <1>; -- 2.39.5