arch/arm64/boot/dts/marvell/armada-80x0.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/marvell/armada-80x0.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/marvell/armada-80x0.dtsi
Extension
.dtsi
Size
2331 bytes
Lines
109
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) 2017 Marvell Technology Group Ltd.
 *
 * Device Tree file for the Armada 80x0 SoC family
 */

/ {
	aliases {
		gpio1 = &cp1_gpio1;
		gpio2 = &cp0_gpio2;
		spi1 = &cp0_spi0;
		spi2 = &cp0_spi1;
		spi3 = &cp1_spi0;
		spi4 = &cp1_spi1;
	};
};

/*
 * Instantiate the master CP110
 */
#define CP11X_NAME		cp0
#define CP11X_BASE		f2000000
#define CP11X_PCIEx_MEM_BASE(iface) (0xf6000000 + (iface * 0x1000000))
#define CP11X_PCIEx_MEM_SIZE(iface) 0xf00000
#define CP11X_PCIE0_BASE	f2600000
#define CP11X_PCIE1_BASE	f2620000
#define CP11X_PCIE2_BASE	f2640000

#include "armada-cp110.dtsi"

#undef CP11X_NAME
#undef CP11X_BASE
#undef CP11X_PCIEx_MEM_BASE
#undef CP11X_PCIEx_MEM_SIZE
#undef CP11X_PCIE0_BASE
#undef CP11X_PCIE1_BASE
#undef CP11X_PCIE2_BASE

/*
 * Instantiate the slave CP110
 */
#define CP11X_NAME		cp1
#define CP11X_BASE		f4000000
#define CP11X_PCIEx_MEM_BASE(iface) (0xfa000000 + (iface * 0x1000000))
#define CP11X_PCIEx_MEM_SIZE(iface) 0xf00000
#define CP11X_PCIE0_BASE	f4600000
#define CP11X_PCIE1_BASE	f4620000
#define CP11X_PCIE2_BASE	f4640000

#include "armada-cp110.dtsi"

#undef CP11X_NAME
#undef CP11X_BASE
#undef CP11X_PCIEx_MEM_BASE
#undef CP11X_PCIEx_MEM_SIZE
#undef CP11X_PCIE0_BASE
#undef CP11X_PCIE1_BASE
#undef CP11X_PCIE2_BASE

/* The 80x0 has two CP blocks, but uses only one block from each. */
&cp1_gpio1 {
	status = "okay";
};

&cp0_gpio2 {
	status = "okay";
};

&cp0_syscon0 {

Annotation

Implementation Notes