arch/arm64/boot/dts/marvell/mmp/pxa1908.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/marvell/mmp/pxa1908.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/marvell/mmp/pxa1908.dtsi
Extension
.dtsi
Size
8239 bytes
Lines
353
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
/dts-v1/;

#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/marvell,pxa1908.h>
#include <dt-bindings/power/marvell,pxa1908-power.h>

/ {
	model = "Marvell Armada PXA1908";
	compatible = "marvell,pxa1908";
	#address-cells = <2>;
	#size-cells = <2>;
	interrupt-parent = <&gic>;

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

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0 0>;
			enable-method = "psci";
		};

		cpu1: cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0 1>;
			enable-method = "psci";
		};

		cpu2: cpu@2 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0 2>;
			enable-method = "psci";
		};

		cpu3: cpu@3 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0 3>;
			enable-method = "psci";
		};
	};

	pmu {
		compatible = "arm,cortex-a53-pmu";
		interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>,
			<GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>,
			<GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>,
			<GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
	};

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

		cpu_off = <0x85000001>;
		cpu_on = <0x85000002>;
	};

	reserved-memory {
		#address-cells = <2>;
		#size-cells = <2>;
		ranges;

		ramoops@8100000 {

Annotation

Implementation Notes