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Subject[PATCH 2/2] arm64: dts: hi6220: add coresight binding
Date
From: Li Pengcheng <lipengcheng8@huawei.com>

For detailed coresight topology, Hi6220 has 8xCA53 CPUs and each CPU
has one Embedded Trace Macrocell (ETM); the CPU trace data is output
to the cluster funnel. Due system has another CPU and one MCU, all of
them transfer the trace data through trace bus (ATB) to SoC funnel;
the SoC funnel is connected to Embedded Trace FIFO (ETF) with 8KB
buffer; an non-configurable replicator is used to output trace data
for two sinks, one is Embedded Trace Route (ETR) so trace data can be
saved into DRAM, another is Trace Port Interface Unit (TPIU) for
capturing trace data by external debugger.

According to the Hi6220 coresight topology, this patch is to add
coresight dt binding.

Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Guodong Xu <guodong.xu@linaro.org>
Cc: Zhangfei Gao <zhangfei.gao@linaro.org>
Cc: Haojian Zhuang <haojian.zhuang@linaro.org>
Signed-off-by: Li Pengcheng <lipengcheng8@huawei.com>
Signed-off-by: Li Zhong <lizhong11@hisilicon.com>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
---
.../arm64/boot/dts/hisilicon/hi6220-coresight.dtsi | 379 +++++++++++++++++++++
arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 2 +
2 files changed, 381 insertions(+)
create mode 100644 arch/arm64/boot/dts/hisilicon/hi6220-coresight.dtsi

diff --git a/arch/arm64/boot/dts/hisilicon/hi6220-coresight.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220-coresight.dtsi
new file mode 100644
index 0000000..31e4e95
--- /dev/null
+++ b/arch/arm64/boot/dts/hisilicon/hi6220-coresight.dtsi
@@ -0,0 +1,379 @@
+/*
+ * dtsi file for Hisilicon Hi6220 coresight
+ *
+ * Copyright (C) 2017 Hisilicon Ltd.
+ *
+ * Author: Pengcheng Li <lipengcheng8@huawei.com>
+ * Leo Yan <leo.yan@linaro.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * publishhed by the Free Software Foundation.
+ *
+ */
+
+/ {
+ soc {
+ funnel@f6401000 {
+ compatible = "arm,coresight-funnel", "arm,primecell";
+ reg = <0 0xf6401000 0 0x1000>;
+ clocks = <&acpu_sctrl HI6220_ACPU_SFT_AT_S>;
+ clock-names = "apb_pclk";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ soc_funnel_out: endpoint {
+ remote-endpoint =
+ <&etf_in>;
+ };
+ };
+
+ port@1 {
+ reg = <0>;
+ soc_funnel_in: endpoint {
+ slave-mode;
+ remote-endpoint =
+ <&acpu_funnel_out>;
+ };
+ };
+ };
+ };
+
+ etf@f6402000 {
+ compatible = "arm,coresight-tmc", "arm,primecell";
+ reg = <0 0xf6402000 0 0x1000>;
+ clocks = <&acpu_sctrl HI6220_ACPU_SFT_AT_S>;
+ clock-names = "apb_pclk";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ etf_in: endpoint {
+ slave-mode;
+ remote-endpoint =
+ <&soc_funnel_out>;
+ };
+ };
+
+ port@1 {
+ reg = <0>;
+ etf_out: endpoint {
+ remote-endpoint =
+ <&replicator_in>;
+ };
+ };
+ };
+ };
+
+ replicator {
+ compatible = "arm,coresight-replicator";
+ clocks = <&acpu_sctrl HI6220_ACPU_SFT_AT_S>;
+ clock-names = "apb_pclk";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ replicator_in: endpoint {
+ slave-mode;
+ remote-endpoint =
+ <&etf_out>;
+ };
+ };
+
+ port@1 {
+ reg = <0>;
+ replicator_out0: endpoint {
+ remote-endpoint =
+ <&etr_in>;
+ };
+ };
+
+ port@2 {
+ reg = <1>;
+ replicator_out1: endpoint {
+ remote-endpoint =
+ <&tpiu_in>;
+ };
+ };
+ };
+ };
+
+ etr@f6404000 {
+ compatible = "arm,coresight-tmc", "arm,primecell";
+ reg = <0 0xf6404000 0 0x1000>;
+ clocks = <&acpu_sctrl HI6220_ACPU_SFT_AT_S>;
+ clock-names = "apb_pclk";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ etr_in: endpoint {
+ slave-mode;
+ remote-endpoint =
+ <&replicator_out0>;
+ };
+ };
+ };
+ };
+
+ tpiu@f6405000 {
+ compatible = "arm,coresight-tpiu", "arm,primecell";
+ reg = <0 0xf6405000 0 0x1000>;
+ clocks = <&acpu_sctrl HI6220_ACPU_SFT_AT_S>;
+ clock-names = "apb_pclk";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ tpiu_in: endpoint {
+ slave-mode;
+ remote-endpoint =
+ <&replicator_out1>;
+ };
+ };
+ };
+ };
+
+ funnel@f6501000 {
+ compatible = "arm,coresight-funnel", "arm,primecell";
+ reg = <0 0xf6501000 0 0x1000>;
+ clocks = <&acpu_sctrl HI6220_ACPU_SFT_AT_S>;
+ clock-names = "apb_pclk";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ acpu_funnel_out: endpoint {
+ remote-endpoint =
+ <&soc_funnel_in>;
+ };
+ };
+
+ port@1 {
+ reg = <0>;
+ acpu_funnel_in0: endpoint {
+ slave-mode;
+ remote-endpoint =
+ <&etm0_out>;
+ };
+ };
+
+ port@2 {
+ reg = <1>;
+ acpu_funnel_in1: endpoint {
+ slave-mode;
+ remote-endpoint =
+ <&etm1_out>;
+ };
+ };
+
+ port@3 {
+ reg = <2>;
+ acpu_funnel_in2: endpoint {
+ slave-mode;
+ remote-endpoint =
+ <&etm2_out>;
+ };
+ };
+
+ port@4 {
+ reg = <3>;
+ acpu_funnel_in3: endpoint {
+ slave-mode;
+ remote-endpoint =
+ <&etm3_out>;
+ };
+ };
+
+ port@5 {
+ reg = <4>;
+ acpu_funnel_in4: endpoint {
+ slave-mode;
+ remote-endpoint =
+ <&etm4_out>;
+ };
+ };
+
+ port@6 {
+ reg = <5>;
+ acpu_funnel_in5: endpoint {
+ slave-mode;
+ remote-endpoint =
+ <&etm5_out>;
+ };
+ };
+
+ port@7 {
+ reg = <6>;
+ acpu_funnel_in6: endpoint {
+ slave-mode;
+ remote-endpoint =
+ <&etm6_out>;
+ };
+ };
+
+ port@8 {
+ reg = <7>;
+ acpu_funnel_in7: endpoint {
+ slave-mode;
+ remote-endpoint =
+ <&etm7_out>;
+ };
+ };
+ };
+ };
+
+ etm@f659c000 {
+ compatible = "arm,coresight-etm4x", "arm,primecell";
+ reg = <0 0xf659c000 0 0x1000>;
+
+ clocks = <&acpu_sctrl HI6220_ACPU_SFT_AT_S>;
+ clock-names = "apb_pclk";
+
+ cpu = <&cpu0>;
+
+ port {
+ etm0_out: endpoint {
+ remote-endpoint =
+ <&acpu_funnel_in0>;
+ };
+ };
+ };
+
+ etm@f659d000 {
+ compatible = "arm,coresight-etm4x", "arm,primecell";
+ reg = <0 0xf659d000 0 0x1000>;
+
+ clocks = <&acpu_sctrl HI6220_ACPU_SFT_AT_S>;
+ clock-names = "apb_pclk";
+
+ cpu = <&cpu1>;
+
+ port {
+ etm1_out: endpoint {
+ remote-endpoint =
+ <&acpu_funnel_in1>;
+ };
+ };
+ };
+
+ etm@f659e000 {
+ compatible = "arm,coresight-etm4x", "arm,primecell";
+ reg = <0 0xf659e000 0 0x1000>;
+
+ clocks = <&acpu_sctrl HI6220_ACPU_SFT_AT_S>;
+ clock-names = "apb_pclk";
+
+ cpu = <&cpu2>;
+
+ port {
+ etm2_out: endpoint {
+ remote-endpoint =
+ <&acpu_funnel_in2>;
+ };
+ };
+ };
+
+ etm@f659f000 {
+ compatible = "arm,coresight-etm4x", "arm,primecell";
+ reg = <0 0xf659f000 0 0x1000>;
+
+ clocks = <&acpu_sctrl HI6220_ACPU_SFT_AT_S>;
+ clock-names = "apb_pclk";
+
+ cpu = <&cpu3>;
+
+ port {
+ etm3_out: endpoint {
+ remote-endpoint =
+ <&acpu_funnel_in3>;
+ };
+ };
+ };
+
+ etm@f65dc000 {
+ compatible = "arm,coresight-etm4x", "arm,primecell";
+ reg = <0 0xf65dc000 0 0x1000>;
+
+ clocks = <&acpu_sctrl HI6220_ACPU_SFT_AT_S>;
+ clock-names = "apb_pclk";
+
+ cpu = <&cpu4>;
+
+ port {
+ etm4_out: endpoint {
+ remote-endpoint =
+ <&acpu_funnel_in4>;
+ };
+ };
+ };
+
+ etm@f65dd000 {
+ compatible = "arm,coresight-etm4x", "arm,primecell";
+ reg = <0 0xf65dd000 0 0x1000>;
+
+ clocks = <&acpu_sctrl HI6220_ACPU_SFT_AT_S>;
+ clock-names = "apb_pclk";
+
+ cpu = <&cpu5>;
+
+ port {
+ etm5_out: endpoint {
+ remote-endpoint =
+ <&acpu_funnel_in5>;
+ };
+ };
+ };
+
+ etm@f65de000 {
+ compatible = "arm,coresight-etm4x", "arm,primecell";
+ reg = <0 0xf65de000 0 0x1000>;
+
+ clocks = <&acpu_sctrl HI6220_ACPU_SFT_AT_S>;
+ clock-names = "apb_pclk";
+
+ cpu = <&cpu6>;
+
+ port {
+ etm6_out: endpoint {
+ remote-endpoint =
+ <&acpu_funnel_in6>;
+ };
+ };
+ };
+
+ etm@f65df000 {
+ compatible = "arm,coresight-etm4x", "arm,primecell";
+ reg = <0 0xf65df000 0 0x1000>;
+
+ clocks = <&acpu_sctrl HI6220_ACPU_SFT_AT_S>;
+ clock-names = "apb_pclk";
+
+ cpu = <&cpu7>;
+
+ port {
+ etm7_out: endpoint {
+ remote-endpoint =
+ <&acpu_funnel_in7>;
+ };
+ };
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
index 02a3aa4..b3b21d7 100644
--- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
@@ -986,3 +986,5 @@
};
};
};
+
+#include "hi6220-coresight.dtsi"
--
2.7.4
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