arch/arm64/boot/dts/arm/juno-r1.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/arm/juno-r1.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/arm/juno-r1.dts
Extension
.dts
Size
6120 bytes
Lines
345
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

/dts-v1/;

#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/arm/coresight-cti-dt.h>
#include "juno-base.dtsi"
#include "juno-cs-r1r2.dtsi"

/ {
	model = "ARM Juno development board (r1)";
	compatible = "arm,juno-r1", "arm,juno", "arm,vexpress";
	interrupt-parent = <&gic>;
	#address-cells = <2>;
	#size-cells = <2>;

	aliases {
		serial0 = &soc_uart0;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

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

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

		cpu-map {
			cluster0 {
				core0 {
					cpu = <&A57_0>;
				};
				core1 {
					cpu = <&A57_1>;
				};
			};

			cluster1 {
				core0 {
					cpu = <&A53_0>;
				};
				core1 {
					cpu = <&A53_1>;
				};
				core2 {
					cpu = <&A53_2>;
				};
				core3 {
					cpu = <&A53_3>;
				};
			};
		};

		idle-states {
			entry-method = "psci";

			CPU_SLEEP_0: cpu-sleep-0 {
				compatible = "arm,idle-state";
				arm,psci-suspend-param = <0x0010000>;
				local-timer-stop;
				entry-latency-us = <300>;
				exit-latency-us = <1200>;
				min-residency-us = <2000>;
			};

			CLUSTER_SLEEP_0: cluster-sleep-0 {

Annotation

Implementation Notes