arch/arm64/boot/dts/marvell/db-falcon-carrier-a7k.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/marvell/db-falcon-carrier-a7k.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/marvell/db-falcon-carrier-a7k.dts
Extension
.dts
Size
1035 bytes
Lines
28
Domain
Architecture Layer
Bucket
arch/arm64
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)
/*
 * Copyright (C) 2023 Marvell International Ltd.
 *
 * Device tree for the Falcon DB Type 7 Com Express carrier board,
 * Utilizing the Armada 7020 COM Express CPU module board.
 * This specific carrier board (DB-98CX8540/80)
 * only maintains a PCIe link with the CPU module,
 * which does not require any special DTS definitions.
 *
 * There is no Linux CPU booting in this mode on the carrier, only on the
 * Armada 7020 COM Express CPU module.
 * What runs the Linux is the Armada 7020 on the COM Express CPU module,
 * And it accesses the switch end-point on the Falcon DB portion of the carrier
 * via PCIe.
 */

#include "armada-7020-comexpress.dtsi"
#include "db-falcon-carrier.dtsi"

/ {
	model = "Marvell Falcon DB COM EXPRESS type 7 carrier board with Armada 7020 CPU module";
	compatible = "marvell,armada7020-falcon-carrier", "marvell,db-falcon-carrier",
			"marvell,armada7020-cpu-module", "marvell,armada7020",
			"marvell,armada-ap806-dual", "marvell,armada-ap806";

};

Annotation

Implementation Notes