arch/arm64/boot/dts/aspeed/ast2700-evb.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/aspeed/ast2700-evb.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/aspeed/ast2700-evb.dts
Extension
.dts
Size
1118 bytes
Lines
66
Domain
Architecture Layer
Bucket
arch/arm64
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 OR MIT
/*
 * Device Tree Source AST2700 EVB
 *
 * Copyright (C) 2026 ASPEED Technology Inc.
 */

/dts-v1/;
#include "aspeed-g7-a35.dtsi"

/ {
	model = "AST2700 EVB";
	compatible = "aspeed,ast2700-evb", "aspeed,ast2700";

	aliases {
		serial0 = &uart12;	/* console port */
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	memory@400000000 {
		device_type = "memory";
		reg = <0x4 0x00000000 0x0 0x40000000>;
	};
};

&fmc {
	status = "okay";
	pinctrl-0 = <&pinctrl_fwspi_quad_default>;
	pinctrl-names = "default";

	flash@0 {
		status = "okay";
		m25p,fast-read;
		label = "bmc";
		spi-max-frequency = <50000000>;
		spi-tx-bus-width = <4>;
		spi-rx-bus-width = <4>;
#include "aspeed-evb-flash-layout-128.dtsi"
	};

	flash@1 {
		status = "okay";
		m25p,fast-read;
		label = "fmc0:1";
		spi-max-frequency = <50000000>;
		spi-tx-bus-width = <4>;
		spi-rx-bus-width = <4>;
	};

	flash@2 {
		status = "disabled";
		m25p,fast-read;
		label = "fmc0:2";
		spi-max-frequency = <50000000>;
		spi-tx-bus-width = <4>;
		spi-rx-bus-width = <4>;
	};
};

&uart12 {
	status = "okay";
};

Annotation

Implementation Notes