xref: /kernel/linux/linux-5.10/arch/arm64/boot/dts/cavium/thunder2-99xx.dtsi

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * dtsi file for Cavium ThunderX2 CN99XX processor
 *
 * Copyright (c) 2017 Cavium Inc.
 * Copyright (c) 2013-2016 Broadcom
 * Author: Zi Shen Lim <zlim@broadcom.com>
 */

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

/ {
	model = "Cavium ThunderX2 CN99XX";
	compatible = "cavium,thunderx2-cn9900", "brcm,vulcan-soc";
	interrupt-parent = <&gic>;
	#address-cells = <2>;
	#size-cells = <2>;

	/* just 4 cpus now, 128 needed in full config */
	cpus {
		#address-cells = <0x2>;
		#size-cells = <0x0>;

		cpu@0 {
			device_type = "cpu";
			compatible = "cavium,thunder2", "brcm,vulcan";
			reg = <0x0 0x0>;
			enable-method = "psci";
		};

		cpu@1 {
			device_type = "cpu";
			compatible = "cavium,thunder2", "brcm,vulcan";
			reg = <0x0 0x1>;
			enable-method = "psci";
		};

		cpu@2 {
			device_type = "cpu";
			compatible = "cavium,thunder2", "brcm,vulcan";
			reg = <0x0 0x2>;
			enable-method = "psci";
		};

		cpu@3 {
			device_type = "cpu";
			compatible = "cavium,thunder2", "brcm,vulcan";
			reg = <0x0 0x3>;
			enable-method = "psci";
		};
	};

	psci {
		compatible = "arm,psci-0.2";
		method = "smc";
	};

	gic: interrupt-controller@400080000 {
		compatible = "arm,gic-v3";
		#interrupt-cells = <3>;
		#address-cells = <2>;
		#size-cells = <2>;
		ranges;
		interrupt-controller;
		#redistributor-regions = <1>;
		reg = <0x04 0x00080000 0x0 0x20000>,	/* GICD */
		      <0x04 0x01000000 0x0 0x1000000>;	/* GICR */
		interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;

		gicits: gic-its@40010000 {
			compatible = "arm,gic-v3-its";
			msi-controller;
			reg = <0x04 0x00100000 0x0 0x20000>;	/* GIC ITS */
		};
	};

	timer {
		compatible = "arm,armv8-timer";
		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_PPI 14 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_PPI 10 IRQ_TYPE_LEVEL_HIGH>;
	};

	pmu {
		compatible = "brcm,vulcan-pmu", "arm,armv8-pmuv3";
		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>; /* PMU overflow */
	};

	clk125mhz: uart_clk125mhz {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <125000000>;
		clock-output-names = "clk125mhz";
	};

	pcie@30000000 {
		compatible = "pci-host-ecam-generic";
		device_type = "pci";
		#interrupt-cells = <1>;
		#address-cells = <3>;
		#size-cells = <2>;

		/* ECAM at 0x3000_0000 - 0x4000_0000 */
		reg = <0x0 0x30000000  0x0 0x10000000>;
		reg-names = "PCI ECAM";

		/*
		 * PCI ranges:
		 *   IO		no supported
		 *   MEM        0x4000_0000 - 0x6000_0000
		 *   MEM64 pref 0x40_0000_0000 - 0x60_0000_0000
		 */
		ranges =
		  <0x02000000    0 0x40000000    0 0x40000000    0 0x20000000
		   0x43000000 0x40 0x00000000 0x40 0x00000000 0x20 0x00000000>;
		bus-range = <0 0xff>;
		interrupt-map-mask = <0 0 0 7>;
		interrupt-map =
		      /* addr  pin  ic   icaddr  icintr */
			<0 0 0  1  &gic   0 0    GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH
			 0 0 0  2  &gic   0 0    GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH
			 0 0 0  3  &gic   0 0    GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH
			 0 0 0  4  &gic   0 0    GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
		msi-parent = <&gicits>;
		dma-coherent;
	};

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

		uart0: serial@402020000 {
			compatible = "arm,pl011", "arm,primecell";
			reg = <0x04 0x02020000 0x0 0x1000>;
			interrupt-parent = <&gic>;
			interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&clk125mhz>;
			clock-names = "apb_pclk";
		};
	};

};