arch/arm64/boot/dts/ti/k3-am625-tqma62xx.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/ti/k3-am625-tqma62xx.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/ti/k3-am625-tqma62xx.dtsi
Extension
.dtsi
Size
8151 bytes
Lines
361
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-only OR MIT
/*
 * Copyright (C) 2021-2022 Texas Instruments Incorporated - https://www.ti.com/
 * Copyright (c) 2023-2026 TQ-Systems GmbH <linux@ew.tq-group.com>, D-82229 Seefeld, Germany.
 * Author: Nora Schiffer
 */

#include "k3-am625.dtsi"

/ {
	aliases {
		i2c0 = &main_i2c0;
		mmc0 = &sdhci0;
		spi0 = &ospi0;
	};

	memory@80000000 {
		device_type = "memory";
		/* 1G RAM */
		reg = <0x00000000 0x80000000 0x00000000 0x40000000>;
		bootph-pre-ram;
	};

	reserved_memory: reserved-memory {
		#address-cells = <2>;
		#size-cells = <2>;
		ranges;

		ramoops@9c700000 {
			compatible = "ramoops";
			reg = <0x00 0x9c700000 0x00 0x00100000>;
			record-size = <0x8000>;
			console-size = <0x8000>;
			ftrace-size = <0x00>;
			pmsg-size = <0x8000>;
		};

		/* global cma region */
		linux,cma {
			compatible = "shared-dma-pool";
			reusable;
			size = <0x00 0x8000000>;
			linux,cma-default;
		};

		rtos_ipc_memory_region: memory@9c800000 {
			compatible = "shared-dma-pool";
			reg = <0x00 0x9c800000 0x00 0x00300000>;
			no-map;
		};

		wkup_r5fss0_core0_dma_memory_region: memory@9da00000 {
			compatible = "shared-dma-pool";
			reg = <0x00 0x9da00000 0x00 0x100000>;
			no-map;
		};

		wkup_r5fss0_core0_memory_region: memory@9db00000 {
			compatible = "shared-dma-pool";
			reg = <0x00 0x9db00000 0x00 0xc00000>;
			no-map;
		};

		secure_tfa_ddr: tfa@9e780000 {
			reg = <0x00 0x9e780000 0x00 0x80000>;
			alignment = <0x1000>;
			no-map;
		};

		secure_ddr: optee@9e800000 {

Annotation

Implementation Notes