arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi

Source file repositories/reference/linux-study-clean/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi

File Facts

System
Linux kernel
Corpus path
arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi
Extension
.dtsi
Size
7663 bytes
Lines
325
Domain
Architecture Layer
Bucket
arch/mips
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

/dts-v1/;

#include <dt-bindings/interrupt-controller/irq.h>

/ {
	compatible = "loongson,loongson2k1000";

	#address-cells = <2>;
	#size-cells = <2>;

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

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "loongson,gs264";
			reg = <0x0>;
			#clock-cells = <1>;
			clocks = <&cpu_clk>;
		};
	};

	cpu_clk: cpu_clk {
		#clock-cells = <0>;
		compatible = "fixed-clock";
		clock-frequency = <800000000>;
	};

	cpuintc: interrupt-controller {
		#address-cells = <0>;
		#interrupt-cells = <1>;
		interrupt-controller;
		compatible = "mti,cpu-interrupt-controller";
	};

	package0: bus@10000000 {
		compatible = "simple-bus";
		#address-cells = <2>;
		#size-cells = <2>;
		ranges = <0 0x10000000 0 0x10000000 0 0x10000000 /* ioports */
			0 0x40000000 0 0x40000000 0 0x40000000
			0xfe 0x00000000 0xfe 0x00000000 0 0x40000000>;

		isa@18000000 {
			compatible = "isa";
			#size-cells = <1>;
			#address-cells = <2>;
			ranges = <1 0x0 0x0 0x18000000 0x4000>;
		};

		pm: reset-controller@1fe07000 {
			compatible = "loongson,ls2k-pm";
			reg = <0 0x1fe07000 0 0x422>;
		};

		liointc0: interrupt-controller@1fe11400 {
			compatible = "loongson,liointc-2.0";
			reg = <0 0x1fe11400 0 0x40>,
				<0 0x1fe11040 0 0x8>,
				<0 0x1fe11140 0 0x8>;
			reg-names = "main", "isr0", "isr1";

			interrupt-controller;
			#interrupt-cells = <2>;

			interrupt-parent = <&cpuintc>;
			interrupts = <2>;

Annotation

Implementation Notes