linux_dsm_epyc7002/arch/arm/boot/dts/artpec6.dtsi

/*
 * Device Tree Source for the Axis ARTPEC-6 SoC
 *
 * This file is dual-licensed: you can use it either under the terms
 * of the GPL or the X11 license, at your option. Note that this dual
 * licensing only applies to this file, and not this project as a
 * whole.
 *
 *  a) This file is free software; you can redistribute it and/or
 *     modify it under the terms of the GNU General Public License as
 *     published by the Free Software Foundation; either version 2 of the
 *     License, or (at your option) any later version.
 *
 *     This file is distributed in the hope that 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.
 *
 * Or, alternatively,
 *
 *  b) Permission is hereby granted, free of charge, to any person
 *     obtaining a copy of this software and associated documentation
 *     files (the "Software"), to deal in the Software without
 *     restriction, including without limitation the rights to use,
 *     copy, modify, merge, publish, distribute, sublicense, and/or
 *     sell copies of the Software, and to permit persons to whom the
 *     Software is furnished to do so, subject to the following
 *     conditions:
 *
 *     The above copyright notice and this permission notice shall be
 *     included in all copies or substantial portions of the Software.
 *
 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *     OTHER DEALINGS IN THE SOFTWARE.
 */

#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/axis,artpec6-clkctrl.h>
#include "skeleton.dtsi"

/ {
	compatible = "axis,artpec6";
	interrupt-parent = <&intc>;

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

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			reg = <0>;
			next-level-cache = <&pl310>;
		};

		cpu1: cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			reg = <1>;
			next-level-cache = <&pl310>;
		};
	};

	syscon: syscon@f8000000 {
		compatible = "axis,artpec6-syscon", "syscon";
		reg = <0xf8000000 0x48>;
	};

	psci {
		compatible = "arm,psci-0.2", "arm,psci";
		method = "smc";
		psci_version = <0x84000000>;
		cpu_on = <0x84000003>;
		system_reset = <0x84000009>;
	};

	scu@faf00000 {
		compatible = "arm,cortex-a9-scu";
		reg = <0xfaf00000 0x58>;
	};

	/* Main external clock driving CPU and peripherals */
	ext_clk: ext_clk {
		#clock-cells = <0>;
		compatible = "fixed-clock";
		clock-frequency = <50000000>;
	};

	eth_phy_ref_clk: eth_phy_ref_clk {
		#clock-cells = <0>;
		compatible = "fixed-clock";
		clock-frequency = <125000000>;
	};

	clkctrl: clkctrl@0xf8000000 {
		#clock-cells = <1>;
		compatible = "axis,artpec6-clkctrl";
		reg = <0xf8000000 0x48>;
		clocks = <&ext_clk>;
		clock-names = "sys_refclk";
	};

	gtimer@faf00200 {
		compatible = "arm,cortex-a9-global-timer";
		reg = <0xfaf00200 0x20>;
		interrupts = <GIC_PPI 11 0xf01>;
		clocks = <&clkctrl ARTPEC6_CLK_CPU_PERIPH>;
	};

	timer@faf00600 {
		compatible = "arm,cortex-a9-twd-timer";
		reg = <0xfaf00600 0x20>;
		interrupts = <GIC_PPI 13 0xf04>;
		clocks = <&clkctrl ARTPEC6_CLK_CPU_PERIPH>;
		status = "disabled";
	};

	intc: interrupt-controller@faf01000 {
		interrupt-controller;
		compatible = "arm,cortex-a9-gic";
		#interrupt-cells = <3>;
		reg = < 0xfaf01000 0x1000 >, < 0xfaf00100 0x0100 >;
	};

	pl310: cache-controller@faf10000 {
		compatible = "arm,pl310-cache";
		cache-unified;
		cache-level = <2>;
		reg = <0xfaf10000 0x1000>;
		interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
		arm,data-latency = <1 1 1>;
		arm,tag-latency = <1 1 1>;
		arm,filter-ranges = <0x0 0x80000000>;
		arm,double-linefill = <1>;
		arm,double-linefill-incr = <0>;
		arm,double-linefill-wrap = <0>;
		prefetch-data = <1>;
		prefetch-instr = <1>;
		arm,prefetch-offset = <0>;
		arm,prefetch-drop = <1>;
	};

	pmu {
		compatible = "arm,cortex-a9-pmu";
		interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
			<GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-affinity = <&cpu0>, <&cpu1>;
	};

	pcie: pcie@f8050000 {
		compatible = "axis,artpec6-pcie", "snps,dw-pcie";
		reg = <0xf8050000 0x2000
		       0xf8040000 0x1000
		       0xc0000000 0x2000>;
		reg-names = "dbi", "phy", "config";
		#address-cells = <3>;
		#size-cells = <2>;
		device_type = "pci";
			  /* downstream I/O */
		ranges = <0x81000000 0 0 0xc0002000 0 0x00010000
			  /* non-prefetchable memory */
			  0x82000000 0 0xc0012000 0xc0012000 0 0x1ffee000>;
		num-lanes = <2>;
		bus-range = <0x00 0xff>;
		interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-names = "msi";
		#interrupt-cells = <1>;
		interrupt-map-mask = <0 0 0 0x7>;
		interrupt-map = <0 0 0 1 &intc GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>,
				<0 0 0 2 &intc GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
				<0 0 0 3 &intc GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
				<0 0 0 4 &intc GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>;
		axis,syscon-pcie = <&syscon>;
		status = "disabled";
	};

	amba@0 {
		compatible = "simple-bus";
		#address-cells = <0x1>;
		#size-cells = <0x1>;
		ranges;
		dma-ranges = <0x80000000 0x00000000 0x40000000>;
		dma-coherent;

		ethernet: ethernet@f8010000 {
			clock-names = "phy_ref_clk", "apb_pclk";
			clocks = <&eth_phy_ref_clk>,
				<&clkctrl ARTPEC6_CLK_ETH_ACLK>;
			compatible = "snps,dwc-qos-ethernet-4.10";
			interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
			reg = <0xf8010000 0x4000>;

			snps,write-requests = <2>;
			snps,read-requests = <16>;
			snps,txpbl = <8>;
			snps,rxpbl = <2>;

			status = "disabled";
		};

		uart0: serial@f8036000 {
			compatible = "arm,pl011", "arm,primecell";
			reg = <0xf8036000 0x1000>;
			interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&clkctrl ARTPEC6_CLK_UART_REFCLK>,
				<&clkctrl ARTPEC6_CLK_UART_PCLK>;
			clock-names = "uart_clk", "apb_pclk";
			status = "disabled";
		};
		uart1: serial@f8037000 {
			compatible = "arm,pl011", "arm,primecell";
			reg = <0xf8037000 0x1000>;
			interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&clkctrl ARTPEC6_CLK_UART_REFCLK>,
				<&clkctrl ARTPEC6_CLK_UART_PCLK>;
			clock-names = "uart_clk", "apb_pclk";
			status = "disabled";
		};
		uart2: serial@f8038000 {
			compatible = "arm,pl011", "arm,primecell";
			reg = <0xf8038000 0x1000>;
			interrupts = <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&clkctrl ARTPEC6_CLK_UART_REFCLK>,
				<&clkctrl ARTPEC6_CLK_UART_PCLK>;
			clock-names = "uart_clk", "apb_pclk";
			status = "disabled";
		};
		uart3: serial@f8039000 {
			compatible = "arm,pl011", "arm,primecell";
			reg = <0xf8039000 0x1000>;
			interrupts = <GIC_SPI 129 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&clkctrl ARTPEC6_CLK_UART_REFCLK>,
				<&clkctrl ARTPEC6_CLK_UART_PCLK>;
			clock-names = "uart_clk", "apb_pclk";
			status = "disabled";
		};
	};
};