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

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

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/aspeed/aspeed-bmc-opp-palmetto.dts
Extension
.dts
Size
6277 bytes
Lines
374
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-g4.dtsi"
#include <dt-bindings/gpio/aspeed-gpio.h>

/ {
	model = "Palmetto BMC";
	compatible = "tyan,palmetto-bmc", "aspeed,ast2400";

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

	memory@40000000 {
		reg = <0x40000000 0x20000000>;
	};

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

		vga_memory: framebuffer@5f000000 {
			no-map;
			reg = <0x5f000000 0x01000000>; /* 16M */
		};

		coldfire_memory: codefire_memory@5ee00000 {
			reg = <0x5ee00000 0x00200000>;
			no-map;
		};

		flash_memory: region@5c000000 {
			no-map;
			reg = <0x5C000000 0x02000000>; /* 32MB */
		};
	};

	leds {
		compatible = "gpio-leds";

		heartbeat {
			gpios = <&gpio ASPEED_GPIO(R, 4) GPIO_ACTIVE_LOW>;
		};

		power {
			gpios = <&gpio ASPEED_GPIO(R, 5) GPIO_ACTIVE_LOW>;
		};

		identify {
			gpios = <&gpio ASPEED_GPIO(A, 2) GPIO_ACTIVE_LOW>;
		};
	};

	fsi: gpio-fsi {
		compatible = "aspeed,ast2400-cf-fsi-master";
		#address-cells = <2>;
		#size-cells = <0>;

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

		clock-gpios = <&gpio ASPEED_GPIO(A, 4) GPIO_ACTIVE_HIGH>;
		data-gpios = <&gpio ASPEED_GPIO(A, 5) GPIO_ACTIVE_HIGH>;
		mux-gpios = <&gpio ASPEED_GPIO(A, 6) GPIO_ACTIVE_HIGH>;
		enable-gpios = <&gpio ASPEED_GPIO(D, 0) GPIO_ACTIVE_HIGH>;
		trans-gpios = <&gpio ASPEED_GPIO(H, 6) GPIO_ACTIVE_HIGH>;

Annotation

Implementation Notes