arch/arm/boot/dts/arm/arm-realview-eb-a9mp.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/arm/arm-realview-eb-a9mp.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/arm/arm-realview-eb-a9mp.dts
Extension
.dts
Size
1941 bytes
Lines
71
Domain
Architecture Layer
Bucket
arch/arm
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

/dts-v1/;
#include "arm-realview-eb-mp.dtsi"

/ {
	model = "ARM RealView EB Cortex A9 MPCore";

	/*
	 * This is the Cortex A9 MPCore tile used with the
	 * RealView EB.
	 */
	cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		enable-method = "arm,realview-smp";

		A9_0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			reg = <0>;
			next-level-cache = <&L2>;
		};

		A9_1: cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			reg = <1>;
			next-level-cache = <&L2>;
		};

		A9_2: cpu@2 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			reg = <2>;
			next-level-cache = <&L2>;
		};

		A9_3: cpu@3 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			reg = <3>;
			next-level-cache = <&L2>;
		};
	};
};

&pmu {
	interrupt-affinity = <&A9_0>, <&A9_1>, <&A9_2>, <&A9_3>;
};

Annotation

Implementation Notes