Boot Linux faster!

Check our new training course

Boot Linux faster!

Check our new training course
and Creative Commons CC-BY-SA
lecture and lab materials

Bootlin logo

Elixir Cross Referencer

/*
 * Copyright (c) 2019 Carlo Caione <ccaione@baylibre.com>
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/*
 * Derived from DTS extracted with:
 *
 *   qemu-system-aarch64 -machine virt -cpu cortex-a53 -nographic
 *         -machine dumpdtb=virt.dtb
 *
 *   dtc -I dtb -O dts virt.dtb
 */

#include <mem.h>
#include <arm/armv8-a.dtsi>
#include <dt-bindings/interrupt-controller/arm-gic.h>

/ {
	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0>;
		};
	};

	uartclk: apb-pclk {
		compatible = "fixed-clock";
		clock-frequency = <24000000>;
		#clock-cells = <0>;
	};

	soc {
		interrupt-parent = <&gic>;

		gic: interrupt-controller@8000000 {
			compatible = "arm,gic";
			reg = <0x8000000 0x10000>,
			      <0x8010000 0x10000>;
			interrupt-controller;
			#interrupt-cells = <4>;
			label = "GIC";
			status = "okay";
		};

		uart0: uart@9000000 {
			compatible = "arm,pl011";
			reg = <0x9000000 0x1000>;
			status = "disabled";
			interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL 0>;
			interrupt-names = "irq_0";
			clocks = <&uartclk>;
			label = "UART_0";
		};

		flash0: flash@0 {
			compatible = "cfi-flash";
			bank-width = <4>;
			/* As this is pointed to by zephyr,flash we can only handle
			 * one value in the reg property, so we comment out the
			 * second flash bank for now
			 */
			reg = <0x0 DT_SIZE_M(64) /* 0x4000000 DT_SIZE_M(64) */>;
		};

		arch_timer: timer {
			compatible = "arm,arm-timer";
			interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL
				      IRQ_DEFAULT_PRIORITY>,
				     <GIC_PPI 14 IRQ_TYPE_LEVEL
				      IRQ_DEFAULT_PRIORITY>,
				     <GIC_PPI 11 IRQ_TYPE_LEVEL
				      IRQ_DEFAULT_PRIORITY>,
				     <GIC_PPI 10 IRQ_TYPE_LEVEL
				      IRQ_DEFAULT_PRIORITY>;
			label = "arch_timer";
		};
	};
};