arch/arm/boot/dts/aspeed/aspeed-bmc-opp-tacoma.dts

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

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/aspeed/aspeed-bmc-opp-tacoma.dts
Extension
.dts
Size
13291 bytes
Lines
847
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-or-later
// Copyright 2019 IBM Corp.
/dts-v1/;

#include "aspeed-g6.dtsi"
#include <dt-bindings/gpio/aspeed-gpio.h>
#include <dt-bindings/i2c/i2c.h>
#include <dt-bindings/leds/leds-pca955x.h>

/ {
	model = "Tacoma";
	compatible = "ibm,tacoma-bmc", "aspeed,ast2600";

	chosen {
		stdout-path = &uart5;
		bootargs = "console=ttyS4,115200n8 earlycon";
	};

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

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

		flash_memory: region@b8000000 {
			no-map;
			reg = <0xb8000000 0x4000000>; /* 64M */
		};

		ramoops@bc000000 {
			compatible = "ramoops";
			reg = <0xbc000000 0x180000>; /* 16 * (3 * 0x8000) */
			record-size = <0x8000>;
			console-size = <0x8000>;
			pmsg-size = <0x8000>;
			max-reason = <3>; /* KMSG_DUMP_EMERG */
		};

		vga_memory: region@bf000000 {
			no-map;
			compatible = "shared-dma-pool";
			reg = <0xbf000000 0x01000000>;	/* 16M */
		};
	};

	gpio-keys {
		compatible = "gpio-keys";

		event-ps0-presence {
			label = "ps0-presence";
			gpios = <&gpio0 ASPEED_GPIO(H, 3) GPIO_ACTIVE_LOW>;
			linux,code = <ASPEED_GPIO(H, 3)>;
		};

		event-ps1-presence {
			label = "ps1-presence";
			gpios = <&gpio0 ASPEED_GPIO(E, 5) GPIO_ACTIVE_LOW>;
			linux,code = <ASPEED_GPIO(E, 5)>;
		};
	};

	gpio-keys-polled {
		compatible = "gpio-keys-polled";
		poll-interval = <1000>;

		event-fan0-presence {

Annotation

Implementation Notes