arch/powerpc/boot/dts/adder875-redboot.dts

Source file repositories/reference/linux-study-clean/arch/powerpc/boot/dts/adder875-redboot.dts

File Facts

System
Linux kernel
Corpus path
arch/powerpc/boot/dts/adder875-redboot.dts
Extension
.dts
Size
3812 bytes
Lines
180
Domain
Architecture Layer
Bucket
arch/powerpc
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-or-later
/*
 * Device Tree Source for MPC885 ADS running RedBoot
 *
 * Copyright 2006 MontaVista Software, Inc.
 * Copyright 2007 Freescale Semiconductor, Inc.
 */

/dts-v1/;
/ {
	model = "Analogue & Micro Adder MPC875";
	compatible = "analogue-and-micro,adder875";
	#address-cells = <1>;
	#size-cells = <1>;

	aliases {
		console = &console;
		ethernet0 = &eth0;
		ethernet1 = &eth1;
	};

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

		PowerPC,875@0 {
			device_type = "cpu";
			reg = <0>;
			d-cache-line-size = <16>;
			i-cache-line-size = <16>;
			d-cache-size = <8192>;
			i-cache-size = <8192>;
			timebase-frequency = <0>;
			bus-frequency = <0>;
			clock-frequency = <0>;
			interrupts = <15 2>;	// decrementer interrupt
			interrupt-parent = <&PIC>;
		};
	};

	memory {
		device_type = "memory";
		reg = <0 0x01000000>;
	};

	localbus@fa200100 {
		compatible = "fsl,mpc885-localbus", "fsl,pq1-localbus",
		             "simple-bus";
		#address-cells = <2>;
		#size-cells = <1>;
		reg = <0xfa200100 0x40>;

		ranges = <
			0 0 0xfe000000 0x00800000
			2 0 0xfa100000 0x00008000
		>;

		flash@0,0 {
			compatible = "cfi-flash";
			reg = <0 0 0x800000>;
			bank-width = <2>;
			device-width = <2>;
		};
	};

	soc@fa200000 {
		compatible = "fsl,mpc875-immr", "fsl,pq1-soc", "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0 0xfa200000 0x00004000>;

Annotation

Implementation Notes