arch/powerpc/boot/dts/ep8248e.dts

Source file repositories/reference/linux-study-clean/arch/powerpc/boot/dts/ep8248e.dts

File Facts

System
Linux kernel
Corpus path
arch/powerpc/boot/dts/ep8248e.dts
Extension
.dts
Size
4461 bytes
Lines
200
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 for the Embedded Planet EP8248E board running PlanetCore.
 *
 * Copyright 2007 Freescale Semiconductor Inc.
 */

/dts-v1/;
/ {
	model = "EP8248E";
	compatible = "fsl,ep8248e";
	#address-cells = <1>;
	#size-cells = <1>;

	aliases {
		planetcore-SMC1 = &smc1;
		planetcore-SCC1 = &scc1;
		ethernet0 = &eth0;
		ethernet1 = &eth1;
		serial0 = &smc1;
		serial1 = &scc1;
	};

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

		PowerPC,8248@0 {
			device_type = "cpu";
			reg = <0>;
			d-cache-line-size = <32>;
			i-cache-line-size = <32>;
			d-cache-size = <16384>;
			i-cache-size = <16384>;
			timebase-frequency = <0>;
			clock-frequency = <0>;
		};
	};

	localbus@f0010100 {
		compatible = "fsl,mpc8248-localbus",
		             "fsl,pq2-localbus",
		             "simple-bus";
		#address-cells = <2>;
		#size-cells = <1>;
		reg = <0xf0010100 0x40>;

		ranges = <0 0 0xfc000000 0x04000000
		          1 0 0xfa000000 0x00008000>;

		flash@0,3800000 {
			compatible = "cfi-flash";
			reg = <0 0x3800000 0x800000>;
			bank-width = <4>;
			device-width = <2>;
		};

		bcsr@1,0 {
			#address-cells = <2>;
			#size-cells = <1>;
			reg = <1 0 0x10>;
			compatible = "fsl,ep8248e-bcsr";
			ranges;

			mdio {
				compatible = "fsl,ep8248e-mdio-bitbang";
				#address-cells = <1>;
				#size-cells = <0>;
				reg = <1 8 1>;

Annotation

Implementation Notes