arch/arm/boot/dts/intel/ixp/intel-ixp42x-welltech-epbx100.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/intel/ixp/intel-ixp42x-welltech-epbx100.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/intel/ixp/intel-ixp42x-welltech-epbx100.dts
Extension
.dts
Size
1798 bytes
Lines
99
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

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2021 Corentin Labbe <clabbe@baylibre.com>
 */

/dts-v1/;

#include "intel-ixp42x.dtsi"

/ {
	model = "Welltech EPBX100";
	compatible = "welltech,epbx100", "intel,ixp42x";
	#address-cells = <1>;
	#size-cells = <1>;

	memory@0 {
		/* 64 MB SDRAM */
		device_type = "memory";
		reg = <0x00000000 0x4000000>;
	};

	chosen {
		bootargs = "console=ttyS0,115200n8 root=/dev/ram0 initrd=0x00800000,9M";
		stdout-path = "uart0:115200n8";
	};

	aliases {
		serial0 = &uart0;
	};

	soc {
		bus@c4000000 {
			flash@0,0 {
				compatible = "intel,ixp4xx-flash", "cfi-flash";
				bank-width = <2>;
				/*
				 * 16 MB of Flash
				 */
				reg = <0 0x00000000 0x1000000>;

				partitions {
					compatible = "fixed-partitions";
					#address-cells = <1>;
					#size-cells = <1>;

					partition@0 {
						label = "RedBoot";
						reg = <0x00000000 0x00080000>;
						read-only;
					};
					partition@80000 {
						label = "zImage";
						reg = <0x00080000 0x00100000>;
						read-only;
					};
					partition@180000 {
						label = "ramdisk";
						reg = <0x00180000 0x00300000>;
						read-only;
					};
					partition@480000 {
						label = "User";
						reg = <0x00480000 0x00b60000>;
						read-only;
					};
					partition@fe0000 {
						label = "FIS directory";
						reg = <0x00fe0000 0x001f000>;
						read-only;
					};

Annotation

Implementation Notes