arch/powerpc/boot/dts/fsl/kmcoge4.dts

Source file repositories/reference/linux-study-clean/arch/powerpc/boot/dts/fsl/kmcoge4.dts

File Facts

System
Linux kernel
Corpus path
arch/powerpc/boot/dts/fsl/kmcoge4.dts
Extension
.dts
Size
4213 bytes
Lines
217
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
/*
 * Keymile kmcoge4 Device Tree Source, based on the P2041RDB DTS
 *
 * (C) Copyright 2014
 * Valentin Longchamp, Keymile AG, valentin.longchamp@keymile.com
 *
 * Copyright 2011 Freescale Semiconductor Inc.
 */

/include/ "p2041si-pre.dtsi"

/ {
	model = "keymile,kmcoge4";
	compatible = "keymile,kmcoge4", "keymile,kmp204x";
	#address-cells = <2>;
	#size-cells = <2>;
	interrupt-parent = <&mpic>;

	memory {
		device_type = "memory";
	};

	reserved-memory {
		#address-cells = <2>;
		#size-cells = <2>;
		ranges;

		bman_fbpr: bman-fbpr {
			size = <0 0x1000000>;
			alignment = <0 0x1000000>;
		};
		qman_fqd: qman-fqd {
			size = <0 0x400000>;
			alignment = <0 0x400000>;
		};
		qman_pfdr: qman-pfdr {
			size = <0 0x2000000>;
			alignment = <0 0x2000000>;
		};
	};

	dcsr: dcsr@f00000000 {
		ranges = <0x00000000 0xf 0x00000000 0x01008000>;
	};

	bportals: bman-portals@ff4000000 {
		ranges = <0x0 0xf 0xf4000000 0x200000>;
	};

	qportals: qman-portals@ff4200000 {
		ranges = <0x0 0xf 0xf4200000 0x200000>;
	};

	soc: soc@ffe000000 {
		ranges = <0x00000000 0xf 0xfe000000 0x1000000>;
		reg = <0xf 0xfe000000 0 0x00001000>;
		spi@110000 {
			flash@0 {
				#address-cells = <1>;
				#size-cells = <1>;
				compatible = "spansion,s25fl256s1", "jedec,spi-nor";
				reg = <0>;
				spi-max-frequency = <20000000>; /* input clock */
			};

			network_clock@1 {
				compatible = "zarlink,zl30343";
				reg = <1>;
				spi-max-frequency = <8000000>;

Annotation

Implementation Notes