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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 <Frank.Li@freescale.com> Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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@ -121,6 +121,209 @@ osc: clock-osc {
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clock-output-names = "osc";
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};
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etr@30086000 {
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compatible = "arm,coresight-tmc", "arm,primecell";
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reg = <0x30086000 0x1000>;
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clocks = <&clks IMX7D_MAIN_AXI_ROOT_CLK>;
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clock-names = "apb_pclk";
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port {
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etr_in_port: endpoint {
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slave-mode;
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remote-endpoint = <&replicator_out_port1>;
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};
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};
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};
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tpiu@30087000 {
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compatible = "arm,coresight-tpiu", "arm,primecell";
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reg = <0x30087000 0x1000>;
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clocks = <&clks IMX7D_MAIN_AXI_ROOT_CLK>;
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clock-names = "apb_pclk";
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port {
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tpiu_in_port: endpoint {
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slave-mode;
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remote-endpoint = <&replicator_out_port1>;
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};
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};
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};
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replicator {
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/*
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* non-configurable replicators don't show up on the
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* AMBA bus. As such no need to add "arm,primecell"
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*/
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compatible = "arm,coresight-replicator";
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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/* replicator output ports */
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port@0 {
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reg = <0>;
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replicator_out_port0: endpoint {
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remote-endpoint = <&tpiu_in_port>;
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};
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};
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port@1 {
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reg = <1>;
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replicator_out_port1: endpoint {
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remote-endpoint = <&etr_in_port>;
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};
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};
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/* replicator input port */
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port@2 {
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reg = <0>;
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replicator_in_port0: endpoint {
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slave-mode;
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remote-endpoint = <&etf_out_port>;
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};
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};
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};
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};
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etf@30084000 {
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compatible = "arm,coresight-tmc", "arm,primecell";
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reg = <0x30084000 0x1000>;
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clocks = <&clks IMX7D_MAIN_AXI_ROOT_CLK>;
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clock-names = "apb_pclk";
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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etf_in_port: endpoint {
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slave-mode;
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remote-endpoint = <&hugo_funnel_out_port0>;
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};
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};
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port@1 {
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reg = <0>;
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etf_out_port: endpoint {
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remote-endpoint = <&replicator_in_port0>;
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};
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};
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};
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};
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funnel@30083000 {
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compatible = "arm,coresight-funnel", "arm,primecell";
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reg = <0x30083000 0x1000>;
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clocks = <&clks IMX7D_MAIN_AXI_ROOT_CLK>;
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clock-names = "apb_pclk";
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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/* funnel input ports */
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port@0 {
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reg = <0>;
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hugo_funnel_in_port0: endpoint {
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slave-mode;
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remote-endpoint = <&ca_funnel_out_port0>;
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};
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};
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port@1 {
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reg = <1>;
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hugo_funnel_in_port1: endpoint {
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slave-mode; /* M4 input */
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};
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};
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port@2 {
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reg = <0>;
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hugo_funnel_out_port0: endpoint {
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remote-endpoint = <&etf_in_port>;
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};
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};
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/* the other input ports are not connect to anything */
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};
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};
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funnel@30041000 {
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compatible = "arm,coresight-funnel", "arm,primecell";
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reg = <0x30041000 0x1000>;
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clocks = <&clks IMX7D_MAIN_AXI_ROOT_CLK>;
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clock-names = "apb_pclk";
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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/* funnel input ports */
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port@0 {
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reg = <0>;
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ca_funnel_in_port0: endpoint {
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slave-mode;
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remote-endpoint = <&etm0_out_port>;
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};
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};
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port@1 {
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reg = <1>;
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ca_funnel_in_port1: endpoint {
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slave-mode;
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remote-endpoint = <&etm1_out_port>;
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};
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};
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/* funnel output port */
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port@2 {
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reg = <0>;
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ca_funnel_out_port0: endpoint {
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remote-endpoint = <&hugo_funnel_in_port0>;
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};
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};
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/* the other input ports are not connect to anything */
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};
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};
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etm@3007c000 {
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compatible = "arm,coresight-etm3x", "arm,primecell";
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reg = <0x3007c000 0x1000>;
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cpu = <&cpu0>;
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clocks = <&clks IMX7D_MAIN_AXI_ROOT_CLK>;
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clock-names = "apb_pclk";
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port {
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etm0_out_port: endpoint {
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remote-endpoint = <&ca_funnel_in_port0>;
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};
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};
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};
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etm@3007d000 {
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compatible = "arm,coresight-etm3x", "arm,primecell";
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reg = <0x3007d000 0x1000>;
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/*
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* System will hang if added nosmp in kernel command line
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* without arm,primecell-periphid because amba bus try to
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* read id and core1 power off at this time.
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*/
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arm,primecell-periphid = <0xbb956>;
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cpu = <&cpu1>;
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clocks = <&clks IMX7D_MAIN_AXI_ROOT_CLK>;
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clock-names = "apb_pclk";
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port {
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etm1_out_port: endpoint {
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remote-endpoint = <&ca_funnel_in_port1>;
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};
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};
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};
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soc {
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#address-cells = <1>;
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#size-cells = <1>;
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