arch/arm64/boot/dts/marvell/armada-8040.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/marvell/armada-8040.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/marvell/armada-8040.dtsi
Extension
.dtsi
Size
993 bytes
Lines
56
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) 2016 Marvell Technology Group Ltd.
 *
 * Device Tree file for the Armada 8040 SoC, made of an AP806 Quad and
 * two CP110.
 */

#include "armada-ap806-quad.dtsi"
#include "armada-80x0.dtsi"

&cp0_pcie0 {
	iommu-map =
		<0x0   &smmu 0x480 0x20>,
		<0x100 &smmu 0x4a0 0x20>,
		<0x200 &smmu 0x4c0 0x20>;
	iommu-map-mask = <0x031f>;
};

/* The RTC requires external oscillator. But on Aramda 80x0, the RTC clock
 * in CP master is not connected (by package) to the oscillator. So
 * disable it. However, the RTC clock in CP slave is connected to the
 * oscillator so this one is let enabled.
 */
&cp0_rtc {
	status = "disabled";
};

&cp0_sata0 {
	iommus = <&smmu 0x444>;
};

&cp0_sdhci0 {
	iommus = <&smmu 0x445>;
};

&cp0_usb3_0 {
	iommus = <&smmu 0x440>;
};

&cp0_usb3_1 {
	iommus = <&smmu 0x441>;
};

&cp1_sata0 {
	iommus = <&smmu 0x454>;
};

&cp1_usb3_0 {
	iommus = <&smmu 0x450>;
};

&cp1_usb3_1 {
	iommus = <&smmu 0x451>;
};

Annotation

Implementation Notes