linux_dsm_epyc7002/arch/powerpc/boot/dts/sequoia.dts

/*
 * Device Tree Source for AMCC Sequoia
 *
 * Based on Bamboo code by Josh Boyer <jwboyer@linux.vnet.ibm.com>
 * Copyright (c) 2006, 2007 IBM Corp.
 *
 * FIXME: Draft only!
 *
 * This file is licensed under the terms of the GNU General Public
 * License version 2.  This program is licensed "as is" without
 * any warranty of any kind, whether express or implied.
 *
 */

/ {
	#address-cells = <2>;
	#size-cells = <1>;
	model = "amcc,sequoia";
	compatible = "amcc,sequoia";
	dcr-parent = <&/cpus/cpu@0>;

	aliases {
		ethernet0 = &EMAC0;
		ethernet1 = &EMAC1;
		serial0 = &UART0;
		serial1 = &UART1;
		serial2 = &UART2;
		serial3 = &UART3;
	};

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

		cpu@0 {
			device_type = "cpu";
			model = "PowerPC,440EPx";
			reg = <0>;
			clock-frequency = <0>; /* Filled in by zImage */
			timebase-frequency = <0>; /* Filled in by zImage */
			i-cache-line-size = <20>;
			d-cache-line-size = <20>;
			i-cache-size = <8000>;
			d-cache-size = <8000>;
			dcr-controller;
			dcr-access-method = "native";
		};
	};

	memory {
		device_type = "memory";
		reg = <0 0 0>; /* Filled in by zImage */
	};

	UIC0: interrupt-controller0 {
		compatible = "ibm,uic-440epx","ibm,uic";
		interrupt-controller;
		cell-index = <0>;
		dcr-reg = <0c0 009>;
		#address-cells = <0>;
		#size-cells = <0>;
		#interrupt-cells = <2>;
	};

	UIC1: interrupt-controller1 {
		compatible = "ibm,uic-440epx","ibm,uic";
		interrupt-controller;
		cell-index = <1>;
		dcr-reg = <0d0 009>;
		#address-cells = <0>;
		#size-cells = <0>;
		#interrupt-cells = <2>;
		interrupts = <1e 4 1f 4>; /* cascade */
		interrupt-parent = <&UIC0>;
	};

	UIC2: interrupt-controller2 {
		compatible = "ibm,uic-440epx","ibm,uic";
		interrupt-controller;
		cell-index = <2>;
		dcr-reg = <0e0 009>;
		#address-cells = <0>;
		#size-cells = <0>;
		#interrupt-cells = <2>;
		interrupts = <1c 4 1d 4>; /* cascade */
		interrupt-parent = <&UIC0>;
	};

	SDR0: sdr {
		compatible = "ibm,sdr-440epx", "ibm,sdr-440ep";
		dcr-reg = <00e 002>;
	};

	CPR0: cpr {
		compatible = "ibm,cpr-440epx", "ibm,cpr-440ep";
		dcr-reg = <00c 002>;
	};

	plb {
		compatible = "ibm,plb-440epx", "ibm,plb4";
		#address-cells = <2>;
		#size-cells = <1>;
		ranges;
		clock-frequency = <0>; /* Filled in by zImage */

		SDRAM0: sdram {
			compatible = "ibm,sdram-440epx", "ibm,sdram-44x-ddr2denali";
			dcr-reg = <010 2>;
		};

		DMA0: dma {
			compatible = "ibm,dma-440epx", "ibm,dma-4xx";
			dcr-reg = <100 027>;
		};

		MAL0: mcmal {
			compatible = "ibm,mcmal-440epx", "ibm,mcmal2";
			dcr-reg = <180 62>;
			num-tx-chans = <2>;
			num-rx-chans = <2>;
			interrupt-parent = <&MAL0>;
			interrupts = <0 1 2 3 4>;
			#interrupt-cells = <1>;
			#address-cells = <0>;
			#size-cells = <0>;
			interrupt-map = </*TXEOB*/ 0 &UIC0 a 4
					/*RXEOB*/ 1 &UIC0 b 4
					/*SERR*/  2 &UIC1 0 4
					/*TXDE*/  3 &UIC1 1 4
					/*RXDE*/  4 &UIC1 2 4>;
			interrupt-map-mask = <ffffffff>;
		};

		USB1: usb@e0000400 {
			compatible = "ohci-be";
			reg = <0 e0000400 60>;
			interrupt-parent = <&UIC0>;
			interrupts = <15 8>;
		};

		POB0: opb {
		  	compatible = "ibm,opb-440epx", "ibm,opb";
			#address-cells = <1>;
			#size-cells = <1>;
		  	ranges = <00000000 1 00000000 80000000
			          80000000 1 80000000 80000000>;
		  	interrupt-parent = <&UIC1>;
		  	interrupts = <7 4>;
		  	clock-frequency = <0>; /* Filled in by zImage */

			EBC0: ebc {
				compatible = "ibm,ebc-440epx", "ibm,ebc";
				dcr-reg = <012 2>;
				#address-cells = <2>;
				#size-cells = <1>;
				clock-frequency = <0>; /* Filled in by zImage */
				interrupts = <5 1>;
				interrupt-parent = <&UIC1>;

				nor_flash@0,0 {
					compatible = "amd,s29gl256n", "cfi-flash";
					bank-width = <2>;
					reg = <0 000000 4000000>;
					#address-cells = <1>;
					#size-cells = <1>;
					partition@0 {
						label = "Kernel";
						reg = <0 180000>;
					};
					partition@180000 {
						label = "ramdisk";
						reg = <180000 200000>;
					};
					partition@380000 {
						label = "file system";
						reg = <380000 3aa0000>;
					};
					partition@3e20000 {
						label = "kozio";
						reg = <3e20000 140000>;
					};
					partition@3f60000 {
						label = "env";
						reg = <3f60000 40000>;
					};
					partition@3fa0000 {
						label = "u-boot";
						reg = <3fa0000 60000>;
					};
				};

			};

			UART0: serial@ef600300 {
		   		device_type = "serial";
		   		compatible = "ns16550";
		   		reg = <ef600300 8>;
		   		virtual-reg = <ef600300>;
		   		clock-frequency = <0>; /* Filled in by zImage */
		   		current-speed = <1c200>;
		   		interrupt-parent = <&UIC0>;
		   		interrupts = <0 4>;
	   		};

			UART1: serial@ef600400 {
		   		device_type = "serial";
		   		compatible = "ns16550";
		   		reg = <ef600400 8>;
		   		virtual-reg = <ef600400>;
		   		clock-frequency = <0>;
		   		current-speed = <0>;
		   		interrupt-parent = <&UIC0>;
		   		interrupts = <1 4>;
	   		};

			UART2: serial@ef600500 {
		   		device_type = "serial";
		   		compatible = "ns16550";
		   		reg = <ef600500 8>;
		   		virtual-reg = <ef600500>;
		   		clock-frequency = <0>;
		   		current-speed = <0>;
		   		interrupt-parent = <&UIC1>;
		   		interrupts = <3 4>;
	   		};

			UART3: serial@ef600600 {
		   		device_type = "serial";
		   		compatible = "ns16550";
		   		reg = <ef600600 8>;
		   		virtual-reg = <ef600600>;
		   		clock-frequency = <0>;
		   		current-speed = <0>;
		   		interrupt-parent = <&UIC1>;
		   		interrupts = <4 4>;
	   		};

			IIC0: i2c@ef600700 {
				device_type = "i2c";
				compatible = "ibm,iic-440epx", "ibm,iic";
				reg = <ef600700 14>;
				interrupt-parent = <&UIC0>;
				interrupts = <2 4>;
			};

			IIC1: i2c@ef600800 {
				device_type = "i2c";
				compatible = "ibm,iic-440epx", "ibm,iic";
				reg = <ef600800 14>;
				interrupt-parent = <&UIC0>;
				interrupts = <7 4>;
			};

			ZMII0: emac-zmii@ef600d00 {
				device_type = "zmii-interface";
				compatible = "ibm,zmii-440epx", "ibm,zmii";
				reg = <ef600d00 c>;
			};

			RGMII0: emac-rgmii@ef601000 {
				device_type = "rgmii-interface";
				compatible = "ibm,rgmii-440epx", "ibm,rgmii";
				reg = <ef601000 8>;
				has-mdio;
			};

			EMAC0: ethernet@ef600e00 {
				linux,network-index = <0>;
				device_type = "network";
				compatible = "ibm,emac-440epx", "ibm,emac4";
				interrupt-parent = <&EMAC0>;
				interrupts = <0 1>;
				#interrupt-cells = <1>;
				#address-cells = <0>;
				#size-cells = <0>;
				interrupt-map = </*Status*/ 0 &UIC0 18 4
						/*Wake*/  1 &UIC1 1d 4>;
				reg = <ef600e00 70>;
				local-mac-address = [000000000000];
				mal-device = <&MAL0>;
				mal-tx-channel = <0>;
				mal-rx-channel = <0>;
				cell-index = <0>;
				max-frame-size = <5dc>;
				rx-fifo-size = <1000>;
				tx-fifo-size = <800>;
				phy-mode = "rgmii";
				phy-map = <00000000>;
				zmii-device = <&ZMII0>;
				zmii-channel = <0>;
				rgmii-device = <&RGMII0>;
				rgmii-channel = <0>;
				has-inverted-stacr-oc;
				has-new-stacr-staopc;
			};

			EMAC1: ethernet@ef600f00 {
				linux,network-index = <1>;
				device_type = "network";
				compatible = "ibm,emac-440epx", "ibm,emac4";
				interrupt-parent = <&EMAC1>;
				interrupts = <0 1>;
				#interrupt-cells = <1>;
				#address-cells = <0>;
				#size-cells = <0>;
				interrupt-map = </*Status*/ 0 &UIC0 19 4
						/*Wake*/  1 &UIC1 1f 4>;
				reg = <ef600f00 70>;
				local-mac-address = [000000000000];
				mal-device = <&MAL0>;
				mal-tx-channel = <1>;
				mal-rx-channel = <1>;
				cell-index = <1>;
				max-frame-size = <5dc>;
				rx-fifo-size = <1000>;
				tx-fifo-size = <800>;
				phy-mode = "rgmii";
				phy-map = <00000000>;
				zmii-device = <&ZMII0>;
				zmii-channel = <1>;
				rgmii-device = <&RGMII0>;
				rgmii-channel = <1>;
				has-inverted-stacr-oc;
				has-new-stacr-staopc;
			};
		};

		PCI0: pci@1ec000000 {
			device_type = "pci";
			#interrupt-cells = <1>;
			#size-cells = <2>;
			#address-cells = <3>;
			compatible = "ibm,plb440epx-pci", "ibm,plb-pci";
			primary;
			reg = <1 eec00000 8	/* Config space access */
			       1 eed00000 4	/* IACK */
			       1 eed00000 4	/* Special cycle */
			       1 ef400000 40>;	/* Internal registers */

			/* Outbound ranges, one memory and one IO,
			 * later cannot be changed. Chip supports a second
			 * IO range but we don't use it for now
			 */
			ranges = <02000000 0 80000000 1 80000000 0 10000000
				01000000 0 00000000 1 e8000000 0 00100000>;

			/* Inbound 2GB range starting at 0 */
			dma-ranges = <42000000 0 0 0 0 0 80000000>;

			/* All PCI interrupts are routed to IRQ 67 */
			interrupt-map-mask = <0000 0 0 0>;
			interrupt-map = < 0000 0 0 0 &UIC2 3 8 >;
		};
	};

	chosen {
		linux,stdout-path = "/plb/opb/serial@ef600300";
		bootargs = "console=ttyS0,115200";
	};
};