linux-kernel - Re: [PATCH v2] ARM: dts: zynq: enablement of coresight topology

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Date:   Wed, 18 Dec 2019 15:30:28 +0100
From:   Michal Simek <michal.simek@...inx.com>
To:     Michal Simek <michal.simek@...inx.com>,
        linux-kernel@...r.kernel.org, monstr@...str.eu, git@...inx.com
Cc:     Zumeng Chen <zumeng.chen@...driver.com>,
        Quanyang Wang <quanyang.wang@...driver.com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        devicetree@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2] ARM: dts: zynq: enablement of coresight topology

On 12. 12. 19 15:38, Michal Simek wrote:
> From: Zumeng Chen <zumeng.chen@...driver.com>
> 
> This patch is to build the coresight topology structure of zynq-7000
> series according to the docs of coresight and userguide of zynq-7000.
> 
> Signed-off-by: Zumeng Chen <zumeng.chen@...driver.com>
> Signed-off-by: Quanyang Wang <quanyang.wang@...driver.com>
> Reviewed-by: Mathieu Poirier <mathieu.poirier@...aro.org>
> Signed-off-by: Michal Simek <michal.simek@...inx.com>
> ---
> 
> Changes in v2:
> - Remove slava-mode from replicator in-ports
> - Remove ITM completely
> 
>  arch/arm/boot/dts/zynq-7000.dtsi | 135 +++++++++++++++++++++++++++++++
>  1 file changed, 135 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
> index ca6425ad794c..db3899b07992 100644
> --- a/arch/arm/boot/dts/zynq-7000.dtsi
> +++ b/arch/arm/boot/dts/zynq-7000.dtsi
> @@ -59,6 +59,39 @@ regulator_vccpint: fixedregulator {
>  		regulator-always-on;
>  	};
>  
> +	replicator {
> +		compatible = "arm,coresight-static-replicator";
> +		clocks = <&clkc 27>, <&clkc 46>, <&clkc 47>;
> +		clock-names = "apb_pclk", "dbg_trc", "dbg_apb";
> +
> +		out-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 = <&etb_in_port>;
> +				};
> +			};
> +		};
> +		in-ports {
> +			/* replicator input port */
> +			port {
> +				replicator_in_port0: endpoint {
> +					remote-endpoint = <&funnel_out_port>;
> +				};
> +			};
> +		};
> +	};
> +
>  	amba: amba {
>  		compatible = "simple-bus";
>  		#address-cells = <1>;
> @@ -365,5 +398,107 @@ watchdog0: watchdog@...05000 {
>  			reg = <0xf8005000 0x1000>;
>  			timeout-sec = <10>;
>  		};
> +
> +		etb@...01000 {
> +			compatible = "arm,coresight-etb10", "arm,primecell";
> +			reg = <0xf8801000 0x1000>;
> +			clocks = <&clkc 27>, <&clkc 46>, <&clkc 47>;
> +			clock-names = "apb_pclk", "dbg_trc", "dbg_apb";
> +			in-ports {
> +				port {
> +					etb_in_port: endpoint {
> +						remote-endpoint = <&replicator_out_port1>;
> +					};
> +				};
> +			};
> +		};
> +
> +		tpiu@...03000 {
> +			compatible = "arm,coresight-tpiu", "arm,primecell";
> +			reg = <0xf8803000 0x1000>;
> +			clocks = <&clkc 27>, <&clkc 46>, <&clkc 47>;
> +			clock-names = "apb_pclk", "dbg_trc", "dbg_apb";
> +			in-ports {
> +				port {
> +					tpiu_in_port: endpoint {
> +						remote-endpoint = <&replicator_out_port0>;
> +					};
> +				};
> +			};
> +		};
> +
> +		funnel@...04000 {
> +			compatible = "arm,coresight-static-funnel", "arm,primecell";
> +			reg = <0xf8804000 0x1000>;
> +			clocks = <&clkc 27>, <&clkc 46>, <&clkc 47>;
> +			clock-names = "apb_pclk", "dbg_trc", "dbg_apb";
> +
> +			/* funnel output ports */
> +			out-ports {
> +				port {
> +					funnel_out_port: endpoint {
> +						remote-endpoint =
> +							<&replicator_in_port0>;
> +					};
> +				};
> +			};
> +
> +			in-ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				/* funnel input ports */
> +				port@0 {
> +					reg = <0>;
> +					funnel0_in_port0: endpoint {
> +						remote-endpoint = <&ptm0_out_port>;
> +					};
> +				};
> +
> +				port@1 {
> +					reg = <1>;
> +					funnel0_in_port1: endpoint {
> +						remote-endpoint = <&ptm1_out_port>;
> +					};
> +				};
> +
> +				port@2 {
> +					reg = <2>;
> +					funnel0_in_port2: endpoint {
> +					};
> +				};
> +				/* The other input ports are not connect to anything */
> +			};
> +		};
> +
> +		ptm@...9c000 {
> +			compatible = "arm,coresight-etm3x", "arm,primecell";
> +			reg = <0xf889c000 0x1000>;
> +			clocks = <&clkc 27>, <&clkc 46>, <&clkc 47>;
> +			clock-names = "apb_pclk", "dbg_trc", "dbg_apb";
> +			cpu = <&cpu0>;
> +			out-ports {
> +				port {
> +					ptm0_out_port: endpoint {
> +						remote-endpoint = <&funnel0_in_port0>;
> +					};
> +				};
> +			};
> +		};
> +
> +		ptm@...9d000 {
> +			compatible = "arm,coresight-etm3x", "arm,primecell";
> +			reg = <0xf889d000 0x1000>;
> +			clocks = <&clkc 27>, <&clkc 46>, <&clkc 47>;
> +			clock-names = "apb_pclk", "dbg_trc", "dbg_apb";
> +			cpu = <&cpu1>;
> +			out-ports {
> +				port {
> +					ptm1_out_port: endpoint {
> +						remote-endpoint = <&funnel0_in_port1>;
> +					};
> +				};
> +			};
> +		};
>  	};
>  };
> 

Applied to zynq/dt.

Thanks,
Michal