arch/arm/boot/dts/marvell/armada-38x.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/marvell/armada-38x.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/marvell/armada-38x.dtsi
Extension
.dtsi
Size
18343 bytes
Lines
733
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 MIT)
/*
 * Device Tree Include file for Marvell Armada 38x family of SoCs.
 *
 * Copyright (C) 2014 Marvell
 *
 * Lior Amsalem <alior@marvell.com>
 * Gregory CLEMENT <gregory.clement@free-electrons.com>
 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
 */

#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>

#define MBUS_ID(target,attributes) (((target) << 24) | ((attributes) << 16))

/ {
	#address-cells = <1>;
	#size-cells = <1>;

	model = "Marvell Armada 38x family SoC";
	compatible = "marvell,armada380";

	aliases {
		gpio0 = &gpio0;
		gpio1 = &gpio1;
		serial0 = &uart0;
		serial1 = &uart1;
	};

	pmu {
		compatible = "arm,cortex-a9-pmu";
		interrupts-extended = <&mpic 3>;
	};

	soc {
		compatible = "marvell,armada380-mbus", "simple-bus";
		#address-cells = <2>;
		#size-cells = <1>;
		controller = <&mbusc>;
		interrupt-parent = <&gic>;
		pcie-mem-aperture = <0xe0000000 0x8000000>;
		pcie-io-aperture  = <0xe8000000 0x100000>;

		bootrom {
			compatible = "marvell,bootrom";
			reg = <MBUS_ID(0x01, 0x1d) 0 0x200000>;
		};

		devbus_bootcs: devbus-bootcs {
			compatible = "marvell,mvebu-devbus";
			reg = <MBUS_ID(0xf0, 0x01) 0x10400 0x8>;
			ranges = <0 MBUS_ID(0x01, 0x2f) 0 0xffffffff>;
			#address-cells = <1>;
			#size-cells = <1>;
			clocks = <&coreclk 0>;
			status = "disabled";
		};

		devbus_cs0: devbus-cs0 {
			compatible = "marvell,mvebu-devbus";
			reg = <MBUS_ID(0xf0, 0x01) 0x10408 0x8>;
			ranges = <0 MBUS_ID(0x01, 0x3e) 0 0xffffffff>;
			#address-cells = <1>;
			#size-cells = <1>;
			clocks = <&coreclk 0>;
			status = "disabled";
		};

		devbus_cs1: devbus-cs1 {

Annotation

Implementation Notes