This patch adds support for coresight components. More specifically it has definitions for the A53/57 tracers, the A53/57 cluster funnels, the main funnel and the ETF configured in circular buffer mode. Support for other coresight IP blocks have not been addressed yet. Signed-off-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx> --- arch/arm64/boot/dts/arm/juno-base.dtsi | 241 +++++++++++++++++++++++++++++++++ 1 file changed, 241 insertions(+) diff --git a/arch/arm64/boot/dts/arm/juno-base.dtsi b/arch/arm64/boot/dts/arm/juno-base.dtsi index e3ee96036eca..b787f8a9304d 100644 --- a/arch/arm64/boot/dts/arm/juno-base.dtsi +++ b/arch/arm64/boot/dts/arm/juno-base.dtsi @@ -152,3 +152,244 @@ /include/ "juno-motherboard.dtsi" }; + + etf@20010000 { + compatible = "arm,coresight-tmc", "arm,primecell"; + reg = <0 0x20010000 0 0x1000>; + + clocks = <&soc_smc50mhz>; + clock-names = "apb_pclk"; + port { + etf_in_port: endpoint { + slave-mode; + remote-endpoint = <&main_funnel_out_port>; + }; + }; + }; + + main_funnel@20040000 { + compatible = "arm,coresight-funnel", "arm,primecell"; + reg = <0 0x20040000 0 0x1000>; + + clocks = <&soc_smc50mhz>; + clock-names = "apb_pclk"; + ports { + #address-cells = <1>; + #size-cells = <0>; + + /* output port */ + port@0 { + reg = <0>; + main_funnel_out_port: endpoint { + remote-endpoint = + <&etf_in_port>; + }; + }; + + /* + * input ports: + * port 0: Funnel Cortex-A57 + * port 1: Funnel Cortex-A53 + * port 2: STM + * port 3: Funnel SCP + * port 4: System profiler + * port 5: ATB extension interfaces + * port 6: ATB extension interfaces + */ + port@1 { + reg = <0>; + main_funnel_in_port0: endpoint { + slave-mode; + remote-endpoint = + <&A57_funnel_out_port>; + }; + }; + + port@2 { + reg = <1>; + main_funnel_in_port1: endpoint { + slave-mode; + remote-endpoint = <&A53_etm0_out_port>; + }; + }; + + }; + }; + + A57_funnel@220c0000 { + compatible = "arm,coresight-funnel", "arm,primecell"; + reg = <0 0x220c0000 0 0x1000>; + + clocks = <&soc_smc50mhz>; + clock-names = "apb_pclk"; + ports { + #address-cells = <1>; + #size-cells = <0>; + + /* output port */ + port@0 { + reg = <0>; + A57_funnel_out_port: endpoint { + remote-endpoint = + <&main_funnel_in_port0>; + }; + }; + + /* input ports */ + port@1 { + reg = <0>; + A57_funnel_in_port0: endpoint { + slave-mode; + remote-endpoint = <&A57_etm0_out_port>; + }; + }; + + port@2 { + reg = <1>; + A57_funnel_in_port1: endpoint { + slave-mode; + remote-endpoint = <&A57_etm1_out_port>; + }; + }; + + /* input port 2 to 6 are not connected */ + }; + }; + + A53_funnel@220c0000 { + compatible = "arm,coresight-funnel", "arm,primecell"; + reg = <0 0x230c0000 0 0x1000>; + + clocks = <&soc_smc50mhz>; + clock-names = "apb_pclk"; + ports { + #address-cells = <1>; + #size-cells = <0>; + + /* output port */ + port@0 { + reg = <0>; + A53_funnel_out_port: endpoint { + remote-endpoint = + <&main_funnel_in_port1>; + }; + }; + + /* input port */ + port@1 { + reg = <0>; + A53_funnel_in_port0: endpoint { + slave-mode; + remote-endpoint = <&A53_etm0_out_port>; + }; + }; + + port@2 { + reg = <1>; + A53_funnel_in_port1: endpoint { + slave-mode; + remote-endpoint = <&A53_etm1_out_port>; + }; + }; + port@3 { + reg = <2>; + A53_funnel_in_port2: endpoint { + slave-mode; + remote-endpoint = <&A53_etm2_out_port>; + }; + }; + port@4 { + reg = <3>; + A53_funnel_in_port3: endpoint { + slave-mode; + remote-endpoint = <&A53_etm3_out_port>; + }; + }; + + /* input port 4 to 6 are not connected */ + }; + }; + + etm@22040000 { + compatible = "arm,coresight-etm4x", "arm,primecell"; + reg = <0 0x22040000 0 0x1000>; + + cpu = <&A57_0>; + clocks = <&soc_smc50mhz>; + clock-names = "apb_pclk"; + port { + A57_etm0_out_port: endpoint { + remote-endpoint = <&A57_funnel_in_port0>; + }; + }; + }; + + etm@22140000 { + compatible = "arm,coresight-etm4x", "arm,primecell"; + reg = <0 0x22140000 0 0x1000>; + + cpu = <&A57_1>; + clocks = <&soc_smc50mhz>; + clock-names = "apb_pclk"; + port { + A57_etm1_out_port: endpoint { + remote-endpoint = <&A57_funnel_in_port1>; + }; + }; + }; + + etm@23040000 { + compatible = "arm,coresight-etm4x", "arm,primecell"; + reg = <0 0x23040000 0 0x1000>; + + cpu = <&A53_0>; + clocks = <&soc_smc50mhz>; + clock-names = "apb_pclk"; + port { + A53_etm0_out_port: endpoint { + remote-endpoint = <&A53_funnel_in_port0>; + }; + }; + }; + + etm@23140000 { + compatible = "arm,coresight-etm4x", "arm,primecell"; + reg = <0 0x23140000 0 0x1000>; + + cpu = <&A53_1>; + clocks = <&soc_smc50mhz>; + clock-names = "apb_pclk"; + port { + A53_etm1_out_port: endpoint { + remote-endpoint = <&A53_funnel_in_port1>; + }; + }; + }; + + etm@23240000 { + compatible = "arm,coresight-etm4x", "arm,primecell"; + reg = <0 0x23240000 0 0x1000>; + + cpu = <&A53_2>; + clocks = <&soc_smc50mhz>; + clock-names = "apb_pclk"; + port { + A53_etm2_out_port: endpoint { + remote-endpoint = <&A53_funnel_in_port2>; + }; + }; + }; + + etm@23340000 { + compatible = "arm,coresight-etm4x", "arm,primecell"; + reg = <0 0x23340000 0 0x1000>; + + cpu = <&A53_3>; + clocks = <&soc_smc50mhz>; + clock-names = "apb_pclk"; + port { + A53_etm3_out_port: endpoint { + remote-endpoint = <&A53_funnel_in_port3>; + }; + }; + }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html