arch/arm64/boot/dts/arm/corstone1000-a320.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/arm/corstone1000-a320.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/arm/corstone1000-a320.dtsi
Extension
.dtsi
Size
1884 bytes
Lines
92
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 OR MIT
/*
 * Copyright (c) 2026, Arm Limited. All rights reserved.
 *
 */

#include <dt-bindings/interrupt-controller/arm-gic.h>

#include "corstone1000.dtsi"

/ {
	interrupt-parent = <&gic>;
	#address-cells = <1>;
	#size-cells = <1>;

	cpus: cpus {
		#address-cells = <2>;
		#size-cells = <0>;

		cpu: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a320";
			reg = <0 0>;
			enable-method = "psci";
			next-level-cache = <&L2_0>;
		};

		cpu1: cpu@100 {
			device_type = "cpu";
			compatible = "arm,cortex-a320";
			reg = <0 0x100>;
			enable-method = "psci";
			next-level-cache = <&L2_0>;
		};

		cpu2: cpu@200 {
			device_type = "cpu";
			compatible = "arm,cortex-a320";
			reg = <0 0x200>;
			enable-method = "psci";
			next-level-cache = <&L2_0>;
		};

		cpu3: cpu@300 {
			device_type = "cpu";
			compatible = "arm,cortex-a320";
			reg = <0 0x300>;
			enable-method = "psci";
			next-level-cache = <&L2_0>;
		};
	};

	timer {
		compatible = "arm,armv8-timer";
		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
			     <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>,
			     <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
	};

	sram: sram@2400000 {
		compatible = "mmio-sram";
		reg = <0x02400000 0x200000>;
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;
	};

	gic: interrupt-controller@1c000000 {
		compatible = "arm,gic-v3";

Annotation

Implementation Notes