arch/mips/boot/dts/mti/sead3.dts

Source file repositories/reference/linux-study-clean/arch/mips/boot/dts/mti/sead3.dts

File Facts

System
Linux kernel
Corpus path
arch/mips/boot/dts/mti/sead3.dts
Extension
.dts
Size
4991 bytes
Lines
260
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/;

/memreserve/ 0x00000000 0x00001000;	// reserved
/memreserve/ 0x00001000 0x000ef000;	// ROM data
/memreserve/ 0x000f0000 0x004cc000;	// reserved

#include <dt-bindings/interrupt-controller/mips-gic.h>

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	compatible = "mti,sead-3";
	model = "MIPS SEAD-3";

	chosen {
		stdout-path = "serial1:115200";
	};

	aliases {
		serial0 = &uart0;
		serial1 = &uart1;
	};

	cpus {
		cpu@0 {
			compatible = "mti,mips14KEc", "mti,mips14Kc";
		};
	};

	memory {
		device_type = "memory";
		reg = <0x0 0x08000000>;
	};

	cpu_intc: interrupt-controller {
		compatible = "mti,cpu-interrupt-controller";

		interrupt-controller;
		#interrupt-cells = <1>;
	};

	gic: interrupt-controller@1b1c0000 {
		compatible = "mti,gic";
		reg = <0x1b1c0000 0x20000>;

		interrupt-controller;
		#interrupt-cells = <3>;

		/*
		 * Declare the interrupt-parent even though the mti,gic
		 * binding doesn't require it, such that the kernel can
		 * figure out that cpu_intc is the root interrupt
		 * controller & should be probed first.
		 */
		interrupt-parent = <&cpu_intc>;
	};

	usb@1b200000 {
		compatible = "generic-ehci";
		reg = <0x1b200000 0x1000>;

		interrupt-parent = <&gic>;
		interrupts = <GIC_SHARED 0 IRQ_TYPE_LEVEL_HIGH>; /* GIC 0 or CPU 6 */

		has-transaction-translator;
	};

	flash@1c000000 {
		compatible = "intel,28f128j3", "cfi-flash";

Annotation

Implementation Notes