arch/arm/boot/dts/broadcom/bcm-nsp.dtsi

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

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/broadcom/bcm-nsp.dtsi
Extension
.dtsi
Size
17252 bytes
Lines
698
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

#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/clock/bcm-nsp.h>

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	compatible = "brcm,nsp";
	model = "Broadcom Northstar Plus SoC";
	interrupt-parent = <&gic>;

	aliases {
		serial0 = &uart0;
		serial1 = &uart1;
		ethernet0 = &amac0;
		ethernet1 = &amac1;
		ethernet2 = &amac2;
	};

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

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			next-level-cache = <&L2>;
			reg = <0x0>;
		};

		cpu1: cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			next-level-cache = <&L2>;
			enable-method = "brcm,bcm-nsp-smp";
			secondary-boot-reg = <0xffff0fec>;
			reg = <0x1>;
		};
	};

	pmu {
		compatible = "arm,cortex-a9-pmu";
		interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-affinity = <&cpu0>, <&cpu1>;
	};

	mpcore-bus@19000000 {
		compatible = "simple-bus";
		ranges = <0x00000000 0x19000000 0x00023000>;
		#address-cells = <1>;
		#size-cells = <1>;

		a9pll: arm_clk@0 {
			#clock-cells = <0>;
			compatible = "brcm,nsp-armpll";
			clocks = <&osc>;
			reg = <0x00000 0x1000>;
		};

		timer@20200 {
			compatible = "arm,cortex-a9-global-timer";
			reg = <0x20200 0x100>;
			interrupts = <GIC_PPI 11 IRQ_TYPE_EDGE_RISING>;
			clocks = <&periph_clk>;
		};

		twd-timer@20600 {
			compatible = "arm,cortex-a9-twd-timer";
			reg = <0x20600 0x20>;

Annotation

Implementation Notes