arch/powerpc/boot/dts/mpc832x_rdb.dts

Source file repositories/reference/linux-study-clean/arch/powerpc/boot/dts/mpc832x_rdb.dts

File Facts

System
Linux kernel
Corpus path
arch/powerpc/boot/dts/mpc832x_rdb.dts
Extension
.dts
Size
8721 bytes
Lines
364
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
/*
 * MPC832x RDB Device Tree Source
 *
 * Copyright 2007 Freescale Semiconductor Inc.
 */

/dts-v1/;

/ {
	model = "MPC8323ERDB";
	compatible = "MPC8323ERDB", "MPC832xRDB", "MPC83xxRDB";
	#address-cells = <1>;
	#size-cells = <1>;

	aliases {
		ethernet0 = &enet1;
		ethernet1 = &enet0;
		serial0 = &serial0;
		serial1 = &serial1;
		pci0 = &pci0;
	};

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

		PowerPC,8323@0 {
			device_type = "cpu";
			reg = <0x0>;
			d-cache-line-size = <0x20>;	// 32 bytes
			i-cache-line-size = <0x20>;	// 32 bytes
			d-cache-size = <16384>;	// L1, 16K
			i-cache-size = <16384>;	// L1, 16K
			timebase-frequency = <0>;
			bus-frequency = <0>;
			clock-frequency = <0>;
		};
	};

	memory@0 {
		device_type = "memory";
		reg = <0x00000000 0x04000000>;
	};

	soc8323@e0000000 {
		#address-cells = <1>;
		#size-cells = <1>;
		device_type = "soc";
		compatible = "simple-bus";
		ranges = <0x0 0xe0000000 0x00100000>;
		reg = <0xe0000000 0x00000200>;
		bus-frequency = <0>;

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

		pmc: power@b00 {
			compatible = "fsl,mpc8323-pmc", "fsl,mpc8349-pmc";
			reg = <0xb00 0x100 0xa00 0x100>;
			interrupts = <80 0x8>;
			interrupt-parent = <&ipic>;
		};

		i2c@3000 {
			#address-cells = <1>;
			#size-cells = <0>;

Annotation

Implementation Notes