arch/arm64/boot/dts/hisilicon/hi6220-coresight.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/hisilicon/hi6220-coresight.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/hisilicon/hi6220-coresight.dtsi
Extension
.dtsi
Size
9064 bytes
Lines
483
Domain
Architecture Layer
Bucket
arch/arm64
Inferred role
Architecture Layer: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only
/*
 * dtsi file for Hisilicon Hi6220 coresight
 *
 * Copyright (C) 2017 HiSilicon Ltd.
 *
 * Author: Pengcheng Li <lipengcheng8@huawei.com>
 *         Leo Yan <leo.yan@linaro.org>
 */

/ {
	soc {
		funnel@f6401000 {
			compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
			reg = <0 0xf6401000 0 0x1000>;
			clocks = <&acpu_sctrl HI6220_ACPU_SFT_AT_S>;
			clock-names = "apb_pclk";

			out-ports {
				port {
					soc_funnel_out: endpoint {
						remote-endpoint =
							<&etf_in>;
					};
				};
			};

			in-ports {
				port {
					soc_funnel_in: endpoint {
						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";

			in-ports {
				port {
					etf_in: endpoint {
						remote-endpoint =
							<&soc_funnel_out>;
					};
				};
			};

			out-ports {
				port {
					etf_out: endpoint {
						remote-endpoint =
							<&replicator_in>;
					};
				};
			};
		};

		replicator {
			compatible = "arm,coresight-static-replicator";
			clocks = <&acpu_sctrl HI6220_ACPU_SFT_AT_S>;
			clock-names = "apb_pclk";

			in-ports {
				port {
					replicator_in: endpoint {

Annotation

Implementation Notes