arch/arm/boot/dts/aspeed/aspeed-bmc-inspur-fp5280g2.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/aspeed/aspeed-bmc-inspur-fp5280g2.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/aspeed/aspeed-bmc-inspur-fp5280g2.dts
Extension
.dts
Size
14923 bytes
Lines
908
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"
#include <dt-bindings/gpio/aspeed-gpio.h>
#include <dt-bindings/leds/leds-pca955x.h>
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	model = "FP5280G2 BMC";
	compatible = "inspur,fp5280g2-bmc", "aspeed,ast2500";

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

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

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

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

		flash_memory: region@98000000 {
			no-map;
			reg = <0x98000000 0x04000000>; /* 64M */
		};

		coldfire_memory: codefire_memory@9ef00000 {
			reg = <0x9ef00000 0x00100000>;
			no-map;
		};

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

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

	fsi: gpio-fsi {
		compatible = "aspeed,ast2500-cf-fsi-master";
		#address-cells = <2>;
		#size-cells = <0>;

		memory-region = <&coldfire_memory>;
		aspeed,sram = <&sram>;
		aspeed,cvic = <&cvic>;

		clock-gpios = <&gpio ASPEED_GPIO(AA, 0) GPIO_ACTIVE_HIGH>;
		data-gpios = <&gpio ASPEED_GPIO(AA, 2) GPIO_ACTIVE_HIGH>;
		mux-gpios = <&gpio ASPEED_GPIO(I, 2) GPIO_ACTIVE_HIGH>;
		enable-gpios = <&gpio ASPEED_GPIO(I, 3) GPIO_ACTIVE_HIGH>;
		trans-gpios = <&gpio ASPEED_GPIO(R, 2) GPIO_ACTIVE_HIGH>;
	};

Annotation

Implementation Notes