arch/arm/boot/dts/realtek/rtd1195.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/realtek/rtd1195.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/realtek/rtd1195.dtsi
Extension
.dtsi
Size
4620 bytes
Lines
218
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-or-later OR BSD-2-Clause)
/*
 * Copyright (c) 2017-2019 Andreas Färber
 */

/memreserve/ 0x00000000 0x0000a800; /* boot code */
/memreserve/ 0x0000a800 0x000f5800;
/memreserve/ 0x17fff000 0x00001000;

#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/reset/realtek,rtd1195.h>

/ {
	compatible = "realtek,rtd1195";
	interrupt-parent = <&gic>;
	#address-cells = <1>;
	#size-cells = <1>;

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

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";
			reg = <0x0>;
			clock-frequency = <1000000000>;
		};

		cpu1: cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";
			reg = <0x1>;
			clock-frequency = <1000000000>;
		};
	};

	reserved-memory {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		rpc_comm: rpc@b000 {
			reg = <0x0000b000 0x1000>;
		};

		audio@1b00000 {
			reg = <0x01b00000 0x400000>;
		};

		rpc_ringbuf: rpc@1ffe000 {
			reg = <0x01ffe000 0x4000>;
		};

		secure@10000000 {
			reg = <0x10000000 0x100000>;
			no-map;
		};
	};

	arm-pmu {
		compatible = "arm,cortex-a7-pmu";
		interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-affinity = <&cpu0>, <&cpu1>;
	};

	timer {
		compatible = "arm,armv7-timer";
		interrupts = <GIC_PPI 13

Annotation

Implementation Notes