arch/arm/boot/dts/broadcom/bcm7445.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/broadcom/bcm7445.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/broadcom/bcm7445.dtsi
Extension
.dtsi
Size
7370 bytes
Lines
319
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
#include <dt-bindings/interrupt-controller/arm-gic.h>

/ {
	#address-cells = <2>;
	#size-cells = <2>;
	model = "Broadcom STB (bcm7445)";
	compatible = "brcm,bcm7445", "brcm,brcmstb";
	interrupt-parent = <&gic>;

	chosen {
		bootargs = "console=ttyS0,115200 earlyprintk";
	};

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

		cpu@0 {
			compatible = "brcm,brahma-b15";
			device_type = "cpu";
			enable-method = "brcm,brahma-b15";
			reg = <0>;
		};

		cpu@1 {
			compatible = "brcm,brahma-b15";
			device_type = "cpu";
			enable-method = "brcm,brahma-b15";
			reg = <1>;
		};

		cpu@2 {
			compatible = "brcm,brahma-b15";
			device_type = "cpu";
			enable-method = "brcm,brahma-b15";
			reg = <2>;
		};

		cpu@3 {
			compatible = "brcm,brahma-b15";
			device_type = "cpu";
			enable-method = "brcm,brahma-b15";
			reg = <3>;
		};
	};

	gic: interrupt-controller@ffd00000 {
		compatible = "brcm,brahma-b15-gic", "arm,cortex-a15-gic";
		reg = <0x00 0xffd01000 0x00 0x1000>,
		      <0x00 0xffd02000 0x00 0x2000>,
		      <0x00 0xffd04000 0x00 0x2000>,
		      <0x00 0xffd06000 0x00 0x2000>;
		interrupt-controller;
		#interrupt-cells = <3>;
	};

	timer {
		compatible = "arm,armv7-timer";
		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_RAW(15) | IRQ_TYPE_LEVEL_LOW)>,
			     <GIC_PPI 14 (GIC_CPU_MASK_RAW(15) | IRQ_TYPE_LEVEL_LOW)>,
			     <GIC_PPI 11 (GIC_CPU_MASK_RAW(15) | IRQ_TYPE_LEVEL_LOW)>,
			     <GIC_PPI 10 (GIC_CPU_MASK_RAW(15) | IRQ_TYPE_LEVEL_LOW)>;
	};

	rdb@f0000000 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "simple-bus";
		ranges = <0 0x00 0xf0000000 0x1000000>;

Annotation

Implementation Notes