arch/arm64/boot/dts/marvell/armada-ap810-ap0.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/marvell/armada-ap810-ap0.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/marvell/armada-ap810-ap0.dtsi
Extension
.dtsi
Size
2749 bytes
Lines
123
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) 2017 Marvell Technology Group Ltd.
 *
 * Device Tree file for Marvell Armada AP810.
 */

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

/dts-v1/;

/ {
	#address-cells = <2>;
	#size-cells = <2>;
	interrupt-parent = <&gic>;

	aliases {
		serial0 = &uart0_ap0;
		serial1 = &uart1_ap0;
	};

	psci {
		compatible = "arm,psci-0.2";
		method = "smc";
	};

	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>;
	};

	soc {
		#address-cells = <2>;
		#size-cells = <2>;
		compatible = "simple-bus";
		ranges;

		bus@e8000000 {
			#address-cells = <1>;
			#size-cells = <1>;
			compatible = "simple-bus";
			ranges = <0x0 0x0 0xe8000000 0x4000000>;
			interrupt-parent = <&gic>;

			gic: interrupt-controller@3000000 {
				compatible = "arm,gic-v3";
				#interrupt-cells = <3>;
				#address-cells = <1>;
				#size-cells = <1>;
				interrupt-controller;
				interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
				ranges;

				reg = <0x3000000 0x10000>,	/* GICD */
				      <0x3060000 0x100000>,	/* GICR */
				      <0x00c0000 0x2000>,	/* GICC */
				      <0x00d0000 0x1000>,	/* GICH */
				      <0x00e0000 0x2000>;	/* GICV */

				gic_its_ap0: msi-controller@3040000 {
					compatible = "arm,gic-v3-its";
					msi-controller;
					#msi-cells = <1>;
					reg = <0x3040000 0x20000>;
				};
			};

Annotation

Implementation Notes