arch/powerpc/boot/dts/tqm8xx.dts

Source file repositories/reference/linux-study-clean/arch/powerpc/boot/dts/tqm8xx.dts

File Facts

System
Linux kernel
Corpus path
arch/powerpc/boot/dts/tqm8xx.dts
Extension
.dts
Size
4095 bytes
Lines
193
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
/*
 * TQM8XX Device Tree Source
 *
 * Heiko Schocher <hs@denx.de>
 * 2010 DENX Software Engineering GmbH
 */

/dts-v1/;

/ {
	model = "TQM8xx";
	compatible = "tqc,tqm8xx";
	#address-cells = <1>;
	#size-cells = <1>;

	aliases {
		ethernet0 = &eth0;
		ethernet1 = &eth1;
		mdio1 = &phy1;
		serial0 = &smc1;
	};

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

		PowerPC,860@0 {
			device_type = "cpu";
			reg = <0x0>;
			d-cache-line-size = <16>;	// 16 bytes
			i-cache-line-size = <16>;	// 16 bytes
			d-cache-size = <0x1000>;		// L1, 4K
			i-cache-size = <0x1000>;		// L1, 4K
			timebase-frequency = <0>;
			bus-frequency = <0>;
			clock-frequency = <0>;
			interrupts = <15 2>;	// decrementer interrupt
			interrupt-parent = <&PIC>;
		};
	};

	memory {
		device_type = "memory";
		reg = <0x0 0x2000000>;
	};

	localbus@fff00100 {
		compatible = "fsl,mpc860-localbus", "fsl,pq1-localbus";
		#address-cells = <2>;
		#size-cells = <1>;
		reg = <0xfff00100 0x40>;

		ranges = <
			0x0 0x0 0x40000000 0x800000
			0x3 0x0 0xc0000000 0x200
		>;

		flash@0,0 {
			compatible = "cfi-flash";
			reg = <0 0 0x800000>;
			#address-cells = <1>;
			#size-cells = <1>;
			bank-width = <4>;
			device-width = <2>;
		};

		/* Note: CAN support needs be enabled in U-Boot */
		can@3,0 {
			compatible = "intc,82527";

Annotation

Implementation Notes