arch/powerpc/boot/dts/mpc8349emitxgp.dts

Source file repositories/reference/linux-study-clean/arch/powerpc/boot/dts/mpc8349emitxgp.dts

File Facts

System
Linux kernel
Corpus path
arch/powerpc/boot/dts/mpc8349emitxgp.dts
Extension
.dts
Size
5633 bytes
Lines
247
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
/*
 * MPC8349E-mITX-GP Device Tree Source
 *
 * Copyright 2007 Freescale Semiconductor Inc.
 */

/dts-v1/;

/ {
	model = "MPC8349EMITXGP";
	compatible = "MPC8349EMITXGP", "MPC834xMITX", "MPC83xxMITX";
	#address-cells = <1>;
	#size-cells = <1>;

	aliases {
		ethernet0 = &enet0;
		serial0 = &serial0;
		serial1 = &serial1;
		pci0 = &pci0;
	};

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

		PowerPC,8349@0 {
			device_type = "cpu";
			reg = <0x0>;
			d-cache-line-size = <32>;
			i-cache-line-size = <32>;
			d-cache-size = <32768>;
			i-cache-size = <32768>;
			timebase-frequency = <0>;	// from bootloader
			bus-frequency = <0>;		// from bootloader
			clock-frequency = <0>;		// from bootloader
		};
	};

	memory@0 {
		device_type = "memory";
		reg = <0x00000000 0x10000000>;
	};

	soc8349@e0000000 {
		#address-cells = <1>;
		#size-cells = <1>;
		device_type = "soc";
		compatible = "simple-bus";
		ranges = <0x0 0xe0000000 0x00100000>;
		reg = <0xe0000000 0x00000200>;
		bus-frequency = <0>;                    // from bootloader

		watchdog@200 {
			device_type = "watchdog";
			compatible = "mpc83xx_wdt";
			reg = <0x200 0x100>;
		};

		i2c@3000 {
			#address-cells = <1>;
			#size-cells = <0>;
			cell-index = <0>;
			compatible = "fsl-i2c";
			reg = <0x3000 0x100>;
			interrupts = <14 0x8>;
			interrupt-parent = <&ipic>;
			dfsrr;
		};

Annotation

Implementation Notes