arch/powerpc/boot/dts/xcalibur1501.dts

Source file repositories/reference/linux-study-clean/arch/powerpc/boot/dts/xcalibur1501.dts

File Facts

System
Linux kernel
Corpus path
arch/powerpc/boot/dts/xcalibur1501.dts
Extension
.dts
Size
15778 bytes
Lines
694
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-only
/*
 * Copyright (C) 2008 Extreme Engineering Solutions, Inc.
 * Based on MPC8572DS device tree from Freescale Semiconductor, Inc.
 *
 * XCalibur1501 6U CompactPCI single-board computer based on MPC8572E
 */

/dts-v1/;
/ {
	model = "xes,xcalibur1501";
	compatible = "xes,xcalibur1501", "xes,MPC8572";
	#address-cells = <2>;
	#size-cells = <2>;

	aliases {
		ethernet0 = &enet0;
		ethernet1 = &enet1;
		ethernet2 = &enet2;
		ethernet3 = &enet3;
		serial0 = &serial0;
		serial1 = &serial1;
		pci2 = &pci2;
	};

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

		PowerPC,8572@0 {
			device_type = "cpu";
			reg = <0x0>;
			d-cache-line-size = <32>;	// 32 bytes
			i-cache-line-size = <32>;	// 32 bytes
			d-cache-size = <0x8000>;		// L1, 32K
			i-cache-size = <0x8000>;		// L1, 32K
			timebase-frequency = <0>;
			bus-frequency = <0>;
			clock-frequency = <0>;
			next-level-cache = <&L2>;
		};

		PowerPC,8572@1 {
			device_type = "cpu";
			reg = <0x1>;
			d-cache-line-size = <32>;	// 32 bytes
			i-cache-line-size = <32>;	// 32 bytes
			d-cache-size = <0x8000>;		// L1, 32K
			i-cache-size = <0x8000>;		// L1, 32K
			timebase-frequency = <0>;
			bus-frequency = <0>;
			clock-frequency = <0>;
			next-level-cache = <&L2>;
		};
	};

	memory {
		device_type = "memory";
		reg = <0x0 0x0 0x0 0x0>;	// Filled in by U-Boot
	};

	localbus@ef005000 {
		#address-cells = <2>;
		#size-cells = <1>;
		compatible = "fsl,mpc8572-elbc", "fsl,elbc", "simple-bus";
		reg = <0 0xef005000 0 0x1000>;
		interrupts = <19 2>;
		interrupt-parent = <&mpic>;
		/* Local bus region mappings */
		ranges = <0 0 0 0xf8000000 0x8000000  /* CS0: Flash 1 */

Annotation

Implementation Notes