arch/arm64/boot/dts/arm/zena-css-fvp.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/arm/zena-css-fvp.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/arm/zena-css-fvp.dts
Extension
.dts
Size
1388 bytes
Lines
64
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 BSD-3-Clause)
/*
 * Copyright (c) 2025, Arm Limited. All rights reserved.
 */

/dts-v1/;

#include "zena-css.dtsi"

/ {
	model = "Zena CSS Fixed Virtual Platform";
	compatible = "arm,zena-css-fvp", "arm,zena-css", "arm,vexpress";

	chosen {
		stdout-path = &soc_serial0;
	};

	memory@80000000 {
		device_type = "memory";

		/* ~2GB mapped at 2GB, another 2GB at 2TB */
		reg = <0x00000000 0x80000000 0x00000000 0x7f000000>,
		      <0x00000200 0x00000000 0x00000000 0x80000000>;
	};
};

&soc {
	virtio@30020000 {
		compatible = "virtio,mmio";
		reg = <0x0 0x30020000 0x0 0x10000>;
		interrupts = <GIC_SPI 257 IRQ_TYPE_LEVEL_HIGH>;
	};

	virtio@30030000 {
		compatible = "virtio,mmio";
		reg = <0x0 0x30030000 0x0 0x10000>;
		interrupts = <GIC_SPI 258 IRQ_TYPE_LEVEL_HIGH>;
	};

	virtio@30040000 {
		compatible = "virtio,mmio";
		reg = <0x0 0x30040000 0x0 0x10000>;
		interrupts = <GIC_SPI 259 IRQ_TYPE_LEVEL_HIGH>;
	};

	virtio@30050000 {
		compatible = "virtio,mmio";
		reg = <0x0 0x30050000 0x0 0x10000>;
		interrupts = <GIC_SPI 260 IRQ_TYPE_LEVEL_HIGH>;
	};

	virtio@30060000 {
		compatible = "virtio,mmio";
		reg = <0x0 0x30060000 0x0 0x10000>;
		interrupts = <GIC_SPI 261 IRQ_TYPE_LEVEL_HIGH>;
	};

	virtio@30080000 {
		compatible = "virtio,mmio";
		reg = <0x0 0x30080000 0x0 0x10000>;
		interrupts = <GIC_SPI 263 IRQ_TYPE_LEVEL_HIGH>;
	};
};

Annotation

Implementation Notes