arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-msx4-bmc.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-msx4-bmc.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-msx4-bmc.dts
Extension
.dts
Size
4254 bytes
Lines
263
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-g6.dtsi"
#include <dt-bindings/gpio/aspeed-gpio.h>
#include <dt-bindings/i2c/i2c.h>

/ {
	model = "AST2600 MSX4 BMC";
	compatible = "nvidia,msx4-bmc", "aspeed,ast2600";

	aliases {
		serial0 = &uart1;
		serial1 = &uart2;
		serial2 = &uart3;
		serial3 = &uart4;
		serial4 = &uart5;
	};

	chosen {
		stdout-path = "uart5:115200n8";
	};

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

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

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

		video_engine_memory: jpegbuffer {
			compatible = "shared-dma-pool";
			size = <0x02000000>;	/* 32M */
			alignment = <0x01000000>;
			reusable;
		};
	};
};

&ehci1 {
	status = "okay";
};

&fmc {
	status = "okay";

	flash@0 {
		compatible = "jedec,spi-nor";
		label = "bmc";
		status = "okay";
		#include "openbmc-flash-layout-128.dtsi"
	};

	flash@1 {
		compatible = "jedec,spi-nor";
		label = "alt-bmc";
		spi-tx-bus-width = <1>;
		spi-rx-bus-width = <1>;
		status = "okay";
		#include "openbmc-flash-layout-128-alt.dtsi"

Annotation

Implementation Notes