arch/arm/boot/dts/marvell/armada-xp-mv78230.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/marvell/armada-xp-mv78230.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/marvell/armada-xp-mv78230.dtsi
Extension
.dtsi
Size
7320 bytes
Lines
258
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 XP family SoC
 *
 * Copyright (C) 2012 Marvell
 *
 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
 *
 * Contains definitions specific to the Armada XP MV78230 SoC that are not
 * common to all Armada XP SoCs.
 */

#include "armada-xp.dtsi"

/ {
	model = "Marvell Armada XP MV78230 SoC";
	compatible = "marvell,armadaxp-mv78230", "marvell,armadaxp", "marvell,armada-370-xp";

	aliases {
		gpio0 = &gpio0;
		gpio1 = &gpio1;
	};

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

		cpu@0 {
			device_type = "cpu";
			compatible = "marvell,sheeva-v7";
			reg = <0>;
			clocks = <&cpuclk 0>;
			clock-latency = <1000000>;
		};

		cpu@1 {
			device_type = "cpu";
			compatible = "marvell,sheeva-v7";
			reg = <1>;
			clocks = <&cpuclk 1>;
			clock-latency = <1000000>;
		};
	};

	soc {
		/*
		 * MV78230 has 2 PCIe units Gen2.0: One unit can be
		 * configured as x4 or quad x1 lanes. One unit is
		 * x1 only.
		 */
		pciec: pcie@82000000 {
			compatible = "marvell,armada-xp-pcie";
			status = "disabled";
			device_type = "pci";

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

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

			ranges =
			       <0x82000000 0 0x40000 MBUS_ID(0xf0, 0x01) 0x40000 0 0x00002000   /* Port 0.0 registers */
				0x82000000 0 0x44000 MBUS_ID(0xf0, 0x01) 0x44000 0 0x00002000   /* Port 0.1 registers */
				0x82000000 0 0x48000 MBUS_ID(0xf0, 0x01) 0x48000 0 0x00002000   /* Port 0.2 registers */
				0x82000000 0 0x4c000 MBUS_ID(0xf0, 0x01) 0x4c000 0 0x00002000   /* Port 0.3 registers */
				0x82000000 0 0x80000 MBUS_ID(0xf0, 0x01) 0x80000 0 0x00002000   /* Port 1.0 registers */
				0x82000000 0x1 0       MBUS_ID(0x04, 0xe8) 0 1 0 /* Port 0.0 MEM */
				0x81000000 0x1 0       MBUS_ID(0x04, 0xe0) 0 1 0 /* Port 0.0 IO  */

Annotation

Implementation Notes