arch/openrisc/boot/dts/or1klitex.dts

Source file repositories/reference/linux-study-clean/arch/openrisc/boot/dts/or1klitex.dts

File Facts

System
Linux kernel
Corpus path
arch/openrisc/boot/dts/or1klitex.dts
Extension
.dts
Size
1133 bytes
Lines
65
Domain
Architecture Layer
Bucket
arch/openrisc
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
/*
 * LiteX-based System on Chip
 *
 * Copyright (C) 2019 Antmicro <www.antmicro.com>
 */

/dts-v1/;
/ {
	compatible = "opencores,or1ksim";
	#address-cells = <1>;
	#size-cells = <1>;
	interrupt-parent = <&pic>;

	aliases {
		serial0 = &serial0;
	};

	chosen {
		bootargs = "console=liteuart";
	};

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

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		cpu@0 {
			compatible = "opencores,or1200-rtlsvn481";
			reg = <0>;
			clock-frequency = <100000000>;
		};
	};

	pic: pic {
		compatible = "opencores,or1k-pic";
		#interrupt-cells = <1>;
		interrupt-controller;
	};

	serial0: serial@e0006800 {
		device_type = "serial";
		compatible = "litex,liteuart";
		reg = <0xe0006800 0x100>;
	};

	soc_ctrl0: soc_controller@e0000000 {
			compatible = "litex,soc-controller";
			reg = <0xe0000000 0xc>;
			status = "okay";
	};

	ethernet@e0001000 {
		compatible = "litex,liteeth";
		reg = <0xe0001000 0x7c>,
		      <0xe0001800 0x0a>,
		      <0x80000000 0x2000>;
		reg-names = "mac", "mdio", "buffer";
		interrupts = <2>;
	};
};

Annotation

Implementation Notes