arch/arm/boot/dts/st/ste-db8500.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/st/ste-db8500.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/st/ste-db8500.dtsi
Extension
.dtsi
Size
952 bytes
Lines
53
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-later

#include "ste-dbx5x0.dtsi"

/ {
	cpus {
		cpu@300 {
			operating-points = <998400 0
					    798720 0
					    399360 0
					    199680 0>;
		};
	};

	reserved-memory {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		/* Modem trace memory */
		ram@6000000 {
			reg = <0x06000000 0x00f00000>;
			no-map;
		};

		/* Modem shared memory */
		ram@6f00000 {
			reg = <0x06f00000 0x00100000>;
			no-map;
		};

		/* Modem private memory */
		ram@7000000 {
			reg = <0x07000000 0x01000000>;
			no-map;
		};

		/*
		 * Initial Secure Software ISSW memory
		 *
		 * This is probably only used if the kernel tries
		 * to actually call into trustzone to run secure
		 * applications, which the mainline kernel probably
		 * will not do on this old chipset. But you can never
		 * be too careful, so reserve this memory anyway.
		 */
		ram@17f00000 {
			reg = <0x17f00000 0x00100000>;
			no-map;
		};
	};
};

Annotation

Implementation Notes