arch/arm/boot/dts/calxeda/highbank.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/calxeda/highbank.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/calxeda/highbank.dts
Extension
.dts
Size
3107 bytes
Lines
159
Domain
Architecture Layer
Bucket
arch/arm
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 2011-2012 Calxeda, Inc.
 */

/dts-v1/;

/* First 4KB has pen for secondary cores. */
/memreserve/ 0x00000000 0x0001000;

/ {
	model = "Calxeda Highbank";
	compatible = "calxeda,highbank";
	#address-cells = <1>;
	#size-cells = <1>;

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

		cpu@900 {
			compatible = "arm,cortex-a9";
			device_type = "cpu";
			reg = <0x900>;
			next-level-cache = <&L2>;
			clocks = <&a9pll>;
			clock-names = "cpu";
			operating-points = <
				/* kHz    ignored */
				 1300000  1000000
				 1200000  1000000
				 1100000  1000000
				  800000  1000000
				  400000  1000000
				  200000  1000000
			>;
			clock-latency = <100000>;
		};

		cpu@901 {
			compatible = "arm,cortex-a9";
			device_type = "cpu";
			reg = <0x901>;
			next-level-cache = <&L2>;
			clocks = <&a9pll>;
			clock-names = "cpu";
			operating-points = <
				/* kHz    ignored */
				 1300000  1000000
				 1200000  1000000
				 1100000  1000000
				  800000  1000000
				  400000  1000000
				  200000  1000000
			>;
			clock-latency = <100000>;
		};

		cpu@902 {
			compatible = "arm,cortex-a9";
			device_type = "cpu";
			reg = <0x902>;
			next-level-cache = <&L2>;
			clocks = <&a9pll>;
			clock-names = "cpu";
			operating-points = <
				/* kHz    ignored */
				 1300000  1000000
				 1200000  1000000
				 1100000  1000000

Annotation

Implementation Notes