arch/arm/boot/dts/arm/vexpress-v2p-ca15_a7.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/arm/vexpress-v2p-ca15_a7.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/arm/vexpress-v2p-ca15_a7.dts
Extension
.dts
Size
13617 bytes
Lines
637
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

// SPDX-License-Identifier: GPL-2.0
/*
 * ARM Ltd. Versatile Express
 *
 * CoreTile Express A15x2 A7x3
 * Cortex-A15_A7 MPCore (V2P-CA15_A7)
 *
 * HBI-0249A
 */

/dts-v1/;
#include "vexpress-v2m-rs1.dtsi"

/ {
	model = "V2P-CA15_CA7";
	arm,hbi = <0x249>;
	arm,vexpress,site = <0xf>;
	compatible = "arm,vexpress,v2p-ca15_a7", "arm,vexpress";
	interrupt-parent = <&gic>;
	#address-cells = <2>;
	#size-cells = <2>;

	chosen { };

	aliases {
		serial0 = &v2m_serial0;
		serial1 = &v2m_serial1;
		serial2 = &v2m_serial2;
		serial3 = &v2m_serial3;
		i2c0 = &v2m_i2c_dvi;
		i2c1 = &v2m_i2c_pcie;
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a15";
			reg = <0>;
			cci-control-port = <&cci_control1>;
			cpu-idle-states = <&CLUSTER_SLEEP_BIG>;
			capacity-dmips-mhz = <1024>;
			dynamic-power-coefficient = <990>;
		};

		cpu1: cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a15";
			reg = <1>;
			cci-control-port = <&cci_control1>;
			cpu-idle-states = <&CLUSTER_SLEEP_BIG>;
			capacity-dmips-mhz = <1024>;
			dynamic-power-coefficient = <990>;
		};

		cpu2: cpu@2 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";
			reg = <0x100>;
			cci-control-port = <&cci_control2>;
			cpu-idle-states = <&CLUSTER_SLEEP_LITTLE>;
			capacity-dmips-mhz = <516>;
			dynamic-power-coefficient = <133>;
		};

		cpu3: cpu@3 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";

Annotation

Implementation Notes