[PATCH v2] ARM: dts: zynq: enablement of coresight topology

From: Michal Simek
Date: Thu Dec 12 2019 - 09:38:31 EST


From: Zumeng Chen <zumeng.chen@xxxxxxxxxxxxx>

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@xxxxxxxxxxxxx>
Signed-off-by: Quanyang Wang <quanyang.wang@xxxxxxxxxxxxx>
Reviewed-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
---

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@f8005000 {
reg = <0xf8005000 0x1000>;
timeout-sec = <10>;
};
+
+ etb@f8801000 {
+ 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@f8803000 {
+ 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@f8804000 {
+ 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@f889c000 {
+ 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@f889d000 {
+ 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>;
+ };
+ };
+ };
+ };
};
};
--
2.24.0