arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
Extension
.dtsi
Size
14168 bytes
Lines
569
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
/*
 * Common dtsi for AM62x SK and derivatives
 *
 * Copyright (C) 2021-2024 Texas Instruments Incorporated - https://www.ti.com/
 */

#include <dt-bindings/leds/common.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/net/ti-dp83867.h>

/ {
	aliases {
		serial0 = &wkup_uart0;
		serial1 = &mcu_uart0;
		serial2 = &main_uart0;
		mmc0 = &sdhci0;
		mmc1 = &sdhci1;
		mmc2 = &sdhci2;
		spi0 = &ospi0;
		ethernet0 = &cpsw_port1;
		ethernet1 = &cpsw_port2;
		usb0 = &usb0;
		usb1 = &usb1;
	};

	chosen {
		stdout-path = "serial2:115200n8";
	};

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

		ramoops@9ca00000 {
			compatible = "ramoops";
			reg = <0x00 0x9ca00000 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;
		};

		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;
		};

Annotation

Implementation Notes