arch/arm/boot/dts/aspeed/aspeed-bmc-inspur-nf5280m6.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/aspeed/aspeed-bmc-inspur-nf5280m6.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/aspeed/aspeed-bmc-inspur-nf5280m6.dts
Extension
.dts
Size
11965 bytes
Lines
692
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
// Copyright (c) 2021 Inspur Corporation
/dts-v1/;

#include "aspeed-g5.dtsi"
#include <dt-bindings/gpio/aspeed-gpio.h>
#include <dt-bindings/i2c/i2c.h>
#include <dt-bindings/leds/leds-pca955x.h>

/ {
	model = "NF5280M6 BMC";
	compatible = "inspur,nf5280m6-bmc", "aspeed,ast2500";

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

	memory@80000000 {
		reg = <0x80000000 0x40000000>;
	};

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

		vga_memory: framebuffer@9f000000 {
			no-map;
			reg = <0x9f000000 0x01000000>; /* 16M */
		};

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

	leds {
	    compatible = "gpio-leds";

		bmc_alive {
			label = "bmc_alive";
			gpios = <&gpio ASPEED_GPIO(B, 0) GPIO_ACTIVE_LOW>;
			linux,default-trigger = "timer";
			led-pattern = <1000 1000>;
		};

		front-fan {
			label = "front-fan";
			gpios = <&gpio ASPEED_GPIO(F,2) GPIO_ACTIVE_LOW>;
		};

	    front-psu {
			label = "front-psu";
			gpios = <&gpio ASPEED_GPIO(F,3) GPIO_ACTIVE_LOW>;
		};

	    front-syshot {
			label = "front-syshot";
			gpios = <&gpio ASPEED_GPIO(J, 3) GPIO_ACTIVE_LOW>;
		};

		front-memory {
			label = "front-memory";
			gpios = <&gpio ASPEED_GPIO(S, 7) GPIO_ACTIVE_LOW>;
		};

Annotation

Implementation Notes