arch/arm/boot/dts/marvell/armada-385.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/marvell/armada-385.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/marvell/armada-385.dtsi
Extension
.dtsi
Size
5363 bytes
Lines
186
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 385 SoC.
 *
 * Copyright (C) 2014 Marvell
 *
 * Lior Amsalem <alior@marvell.com>
 * Gregory CLEMENT <gregory.clement@free-electrons.com>
 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
 */

#include "armada-38x.dtsi"

/ {
	model = "Marvell Armada 385 family SoC";
	compatible = "marvell,armada385", "marvell,armada380";

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		enable-method = "marvell,armada-380-smp";

		cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			reg = <0>;
		};
		cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			reg = <1>;
		};
	};

	soc {
		pciec: pcie {
			compatible = "marvell,armada-370-pcie";
			status = "disabled";
			device_type = "pci";

			#address-cells = <3>;
			#size-cells = <2>;

			msi-parent = <&mpic>;
			bus-range = <0x00 0xff>;

			ranges =
			       <0x82000000 0 0x80000 MBUS_ID(0xf0, 0x01) 0x80000 0 0x00002000
				0x82000000 0 0x40000 MBUS_ID(0xf0, 0x01) 0x40000 0 0x00002000
				0x82000000 0 0x44000 MBUS_ID(0xf0, 0x01) 0x44000 0 0x00002000
				0x82000000 0 0x48000 MBUS_ID(0xf0, 0x01) 0x48000 0 0x00002000
				0x82000000 0x1 0     MBUS_ID(0x08, 0xe8) 0 1 0 /* Port 0 MEM */
				0x81000000 0x1 0     MBUS_ID(0x08, 0xe0) 0 1 0 /* Port 0 IO  */
				0x82000000 0x2 0     MBUS_ID(0x04, 0xe8) 0 1 0 /* Port 1 MEM */
				0x81000000 0x2 0     MBUS_ID(0x04, 0xe0) 0 1 0 /* Port 1 IO  */
				0x82000000 0x3 0     MBUS_ID(0x04, 0xd8) 0 1 0 /* Port 2 MEM */
				0x81000000 0x3 0     MBUS_ID(0x04, 0xd0) 0 1 0 /* Port 2 IO  */
				0x82000000 0x4 0     MBUS_ID(0x04, 0xb8) 0 1 0 /* Port 3 MEM */
				0x81000000 0x4 0     MBUS_ID(0x04, 0xb0) 0 1 0 /* Port 3 IO  */>;

			/*
			 * This port can be either x4 or x1. When
			 * configured in x4 by the bootloader, then
			 * pcie@4,0 is not available.
			 */
			pcie1: pcie@1,0 {
				device_type = "pci";
				assigned-addresses = <0x82000800 0 0x80000 0 0x2000>;
				reg = <0x0800 0 0 0 0>;
				#address-cells = <3>;

Annotation

Implementation Notes