arch/arm/boot/dts/arm/arm-realview-pba8.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/arm/arm-realview-pba8.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/arm/arm-realview-pba8.dts
Extension
.dts
Size
3917 bytes
Lines
179
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-pbx.dtsi"

/ {
	model = "ARM RealView Platform Baseboard for Cortex-A8";
	compatible = "arm,realview-pba8";
	arm,hbi = <0x178>;

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		enable-method = "arm,realview-smp";

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a8";
			reg = <0>;
		};
	};

	pmu: pmu {
		compatible = "arm,cortex-a8-pmu";
		interrupt-parent = <&intc>;
		interrupts = <0 47 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-affinity = <&cpu0>;
	};

	/* Primary GIC PL390 interrupt controller in the test chip */
	intc: interrupt-controller@1e000000 {
		compatible = "arm,pl390";
		#interrupt-cells = <3>;
		#address-cells = <1>;
		interrupt-controller;
		reg = <0x1e001000 0x1000>,
		      <0x1e000000 0x100>;
	};
};

&ethernet {
	interrupt-parent = <&intc>;
	interrupts = <0 28 IRQ_TYPE_LEVEL_HIGH>;
};

&usb {
	interrupt-parent = <&intc>;
	interrupts = <0 29 IRQ_TYPE_LEVEL_HIGH>;
};

&soc {
	compatible = "arm,realview-pba8-soc", "simple-bus";
};

&syscon {
	compatible = "arm,realview-pba8-syscon", "syscon", "simple-mfd";
};

&serial0 {
	interrupt-parent = <&intc>;
	interrupts = <0 12 IRQ_TYPE_LEVEL_HIGH>;
};

&serial1 {
	interrupt-parent = <&intc>;
	interrupts = <0 13 IRQ_TYPE_LEVEL_HIGH>;
};

&serial2 {
	interrupt-parent = <&intc>;
	interrupts = <0 14 IRQ_TYPE_LEVEL_HIGH>;
};

Annotation

Implementation Notes