arch/arm/boot/dts/broadcom/bcm53340-ubnt-unifi-switch8.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/broadcom/bcm53340-ubnt-unifi-switch8.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/broadcom/bcm53340-ubnt-unifi-switch8.dts
Extension
.dts
Size
1365 bytes
Lines
86
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 "bcm-hr2.dtsi"

/ {
	compatible = "ubnt,unifi-switch8", "brcm,bcm53342", "brcm,hr2";
	model = "Ubiquiti UniFi Switch 8 (BCM53342)";

	/* Hurricane 2 designs use the second UART */
	chosen {
		bootargs = "console=ttyS1,115200 earlyprintk";
	};

	memory@0 {
		device_type = "memory";
		reg = <0x00000000 0x08000000>,
		      <0x68000000 0x08000000>;
	};
};

&uart1 {
	status = "okay";
};

&qspi {
	status = "okay";

	flash: flash@0 {
		compatible = "m25p80";
		reg = <0>;
		#address-cells = <1>;
		#size-cells = <1>;
		spi-max-frequency = <12500000>;
		spi-cpol;
		spi-cpha;

		partition@0 {
			label = "u-boot";
			reg = <0x0 0xc0000>;
		};

		partition@c0000 {
			label = "u-boot-env";
			reg = <0xc0000 0x10000>;
		};

		partition@d0000 {
			label = "shmoo";
			reg = <0xd0000 0x10000>;
		};

		partition@e0000 {
			label = "kernel0";
			reg = <0xe0000 0xf00000>;
		};

		partition@fe0000 {
			label = "kernel1";
			reg = <0xfe0000 0xf10000>;
		};

		partition@1ef0000 {
			label = "cfg";
			reg = <0x1ef0000 0x100000>;
		};

		partition@1ff0000 {
			label = "EEPROM";
			reg = <0x1ff0000 0x10000>;
		};

Annotation

Implementation Notes