arch/mips/boot/dts/img/boston.dts

Source file repositories/reference/linux-study-clean/arch/mips/boot/dts/img/boston.dts

File Facts

System
Linux kernel
Corpus path
arch/mips/boot/dts/img/boston.dts
Extension
.dts
Size
4725 bytes
Lines
238
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/clock/boston-clock.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/mips-gic.h>

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	compatible = "img,boston";

	chosen {
		stdout-path = "uart0:115200";
	};

	aliases {
		uart0 = &uart0;
	};

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

		cpu@0 {
			device_type = "cpu";
			compatible = "img,mips";
			reg = <0>;
			clocks = <&clk_boston BOSTON_CLK_CPU>;
		};
	};

	memory@0 {
		device_type = "memory";
		reg = <0x00000000 0x10000000>;
	};

	pci0: pci@10000000 {
		compatible = "xlnx,axi-pcie-host-1.00.a";
		device_type = "pci";
		reg = <0x10000000 0x2000000>;

		#address-cells = <3>;
		#size-cells = <2>;
		#interrupt-cells = <1>;

		interrupt-parent = <&gic>;
		interrupts = <GIC_SHARED 2 IRQ_TYPE_LEVEL_HIGH>;

		ranges = <0x02000000 0 0x40000000
			  0x40000000 0 0x40000000>;

		bus-range = <0x00 0xff>;

		interrupt-map-mask = <0 0 0 7>;
		interrupt-map = <0 0 0 1 &pci0_intc 1>,
				<0 0 0 2 &pci0_intc 2>,
				<0 0 0 3 &pci0_intc 3>,
				<0 0 0 4 &pci0_intc 4>;

		pci0_intc: interrupt-controller {
			interrupt-controller;
			#address-cells = <0>;
			#interrupt-cells = <1>;
		};
	};

	pci1: pci@12000000 {
		compatible = "xlnx,axi-pcie-host-1.00.a";

Annotation

Implementation Notes