arch/arm/boot/dts/aspeed/aspeed-ast2500-evb.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/aspeed/aspeed-ast2500-evb.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/aspeed/aspeed-ast2500-evb.dts
Extension
.dts
Size
1922 bytes
Lines
136
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+
/dts-v1/;

#include "aspeed-g5.dtsi"

/ {
	model = "AST2500 EVB";
	compatible = "aspeed,ast2500-evb", "aspeed,ast2500";

	aliases {
		serial4 = &uart5;
	};

	chosen {
		stdout-path = &uart5;
		bootargs = "console=tty0 console=ttyS4,115200 earlycon";
	};

	memory@80000000 {
		reg = <0x80000000 0x20000000>;
	};

	reserved-memory {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		gfx_memory: framebuffer {
			size = <0x01000000>;
			alignment = <0x01000000>;
			compatible = "shared-dma-pool";
			reusable;
		};
	};
};

&fmc {
	status = "okay";
	flash@0 {
		status = "okay";
		m25p,fast-read;
		label = "bmc";
		spi-max-frequency = <50000000>;
#include "openbmc-flash-layout.dtsi"
	};
};

&spi1 {
	status = "okay";
	flash@0 {
		status = "okay";
		m25p,fast-read;
		label = "pnor";
		spi-max-frequency = <100000000>;
	};
};

&spi2 {
	status = "okay";
};

&uart5 {
	status = "okay";
};

&mac0 {
	status = "okay";

	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_rgmii1_default &pinctrl_mdio1_default>;

Annotation

Implementation Notes