arch/powerpc/boot/dts/fsl/ge_imp3a.dts

Source file repositories/reference/linux-study-clean/arch/powerpc/boot/dts/fsl/ge_imp3a.dts

File Facts

System
Linux kernel
Corpus path
arch/powerpc/boot/dts/fsl/ge_imp3a.dts
Extension
.dts
Size
4927 bytes
Lines
252
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
/*
 * GE IMP3A Device Tree Source
 *
 * Copyright 2010-2011 GE Intelligent Platforms Embedded Systems, Inc.
 *
 * Based on: P2020 DS Device Tree Source
 * Copyright 2009 Freescale Semiconductor Inc.
 */

/include/ "p2020si-pre.dtsi"

/ {
	model = "GE_IMP3A";
	compatible = "ge,imp3a";

	memory {
		device_type = "memory";
	};

	lbc: localbus@fef05000 {
		reg = <0 0xfef05000 0 0x1000>;

		ranges = <0x0 0x0 0x0 0xff000000 0x01000000
			  0x1 0x0 0x0 0xe0000000 0x08000000
			  0x2 0x0 0x0 0xe8000000 0x08000000
			  0x3 0x0 0x0 0xfc100000 0x00020000
			  0x4 0x0 0x0 0xfc000000 0x00008000
			  0x5 0x0 0x0 0xfc008000 0x00008000
			  0x6 0x0 0x0 0xfee00000 0x00040000
			  0x7 0x0 0x0 0xfee80000 0x00040000>;

		/* nor@0,0 is a mirror of part of the memory in nor@1,0
		nor@0,0 {
			#address-cells = <1>;
			#size-cells = <1>;
			compatible = "ge,imp3a-firmware-mirror", "cfi-flash";
			reg = <0x0 0x0 0x1000000>;
			bank-width = <2>;
			device-width = <1>;

			partition@0 {
				label = "firmware";
				reg = <0x0 0x1000000>;
				read-only;
			};
		};
		*/

		nor@1,0 {
			#address-cells = <1>;
			#size-cells = <1>;
			compatible = "ge,imp3a-paged-flash", "cfi-flash";
			reg = <0x1 0x0 0x8000000>;
			bank-width = <2>;
			device-width = <1>;

			partition@0 {
				label = "user";
				reg = <0x0 0x7800000>;
			};

			partition@7800000 {
				label = "firmware";
				reg = <0x7800000 0x800000>;
				read-only;
			};
		};

		nvram@3,0 {

Annotation

Implementation Notes