linux_dsm_epyc7002/arch/arm/boot/dts/alpine.dtsi

/*
 * Copyright 2015 Annapurna Labs Ltd.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * Alternatively, redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following conditions
 * are met:
 *
 *   *   Redistributions of source code must retain the above copyright notice,
 *       this list of conditions and the following disclaimer.
 *
 *   *   Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 */

#include <dt-bindings/interrupt-controller/arm-gic.h>

/ {
	#address-cells = <2>;
	#size-cells = <2>;
	/* SOC compatibility */
	compatible = "al,alpine";

	memory {
		device_type = "memory";
		reg = <0 0 0 0>;
	};

	/* CPU Configuration */
	cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		enable-method = "al,alpine-smp";

		cpu@0 {
			compatible = "arm,cortex-a15";
			device_type = "cpu";
			reg = <0>;
			clock-frequency = <1700000000>;
		};

		cpu@1 {
			compatible = "arm,cortex-a15";
			device_type = "cpu";
			reg = <1>;
			clock-frequency = <1700000000>;
		};

		cpu@2 {
			compatible = "arm,cortex-a15";
			device_type = "cpu";
			reg = <2>;
			clock-frequency = <1700000000>;
		};

		cpu@3 {
			compatible = "arm,cortex-a15";
			device_type = "cpu";
			reg = <3>;
			clock-frequency = <1700000000>;
		};
	};

	soc {
		#address-cells = <2>;
		#size-cells = <2>;
		compatible = "simple-bus";
		interrupt-parent = <&gic>;
		ranges;

		arch-timer {
			compatible = "arm,cortex-a15-timer",
				     "arm,armv7-timer";
			interrupts =
				<GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
				<GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
				<GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
				<GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
			clock-frequency = <50000000>;
		};

		/* Interrupt Controller */
		gic: gic@fb001000 {
			compatible = "arm,cortex-a15-gic";
			#interrupt-cells = <3>;
			#size-cells = <0>;
			#address-cells = <0>;
			interrupt-controller;
			reg = <0x0 0xfb001000 0x0 0x1000>,
			      <0x0 0xfb002000 0x0 0x2000>,
			      <0x0 0xfb004000 0x0 0x2000>,
			      <0x0 0xfb006000 0x0 0x2000>;
			interrupts =
				<GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
		};

		/* CPU Resume registers */
		cpu-resume@fbff5ec0 {
			compatible = "al,alpine-cpu-resume";
			reg = <0x0 0xfbff5ec0 0x0 0x30>;
		};

		/* North Bridge Service Registers */
		sysfabric-service@fb070000 {
			compatible = "al,alpine-sysfabric-service", "syscon";
			reg = <0x0 0xfb070000 0x0 0x10000>;
		};

		/* Performance Monitor Unit */
		pmu {
			compatible = "arm,cortex-a15-pmu";
			interrupts = <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
		};

		uart0: uart@fd883000 {
			compatible = "ns16550a";
			reg = <0x0 0xfd883000 0x0 0x1000>;
			clock-frequency = <375000000>;
			interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
			reg-shift = <2>;
			reg-io-width = <4>;
		};

		uart1: uart@fd884000 {
			compatible = "ns16550a";
			reg = <0x0 0xfd884000 0x0 0x1000>;
			clock-frequency = <375000000>;
			interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>;
			reg-shift = <2>;
			reg-io-width = <4>;
		};

		/* Internal PCIe Controller */
		pcie@fbc00000 {
			compatible = "pci-host-ecam-generic";
			device_type = "pci";
			#size-cells = <2>;
			#address-cells = <3>;
			#interrupt-cells = <1>;
			reg = <0x0 0xfbc00000 0x0 0x100000>;
			interrupt-map-mask = <0xf800 0 0 7>;
			/* Add legacy interrupts for SATA devices only */
			interrupt-map =	<0x4000 0 0 1 &gic 0 43 4>,
					<0x4800 0 0 1 &gic 0 44 4>;

			/* 32 bit non prefetchable memory space */
			ranges = <0x02000000 0x0 0xfe000000 0x0 0xfe000000 0x0 0x1000000>;

			bus-range = <0x00 0x00>;
			msi-parent = <&msix>;
		};

		msix: msix@fbe00000 {
			compatible = "al,alpine-msix";
			reg = <0x0 0xfbe00000 0x0 0x100000>;
			interrupt-controller;
			msi-controller;
			al,msi-base-spi = <96>;
			al,msi-num-spis = <64>;
		};
	};
};