linux/arch/powerpc/boot/dts/taishan.dts

/*
 * Device Tree Source for IBM/AMCC Taishan
 *
 * Copyright 2007 IBM Corp.
 * Hugh Blemings <hugh@au.ibm.com> based off code by
 * Josh Boyer <jwboyer@linux.vnet.ibm.com>, David Gibson <dwg@au1.ibm.com>
 *
 * 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,taishan";
	compatible = "amcc,taishan";
	dcr-parent = <&/cpus/cpu@0>;

	aliases {
		ethernet0 = &EMAC2;
		ethernet1 = &EMAC3;
		serial0 = &UART0;
		serial1 = &UART1;
	};

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

		cpu@0 {
			device_type = "cpu";
			model = "PowerPC,440GX";
			reg = <0>;
			clock-frequency = <2FAF0800>; // 800MHz
			timebase-frequency = <0>; // Filled in by zImage
			i-cache-line-size = <32>;
			d-cache-line-size = <32>;
			i-cache-size = <8000>; /* 32 kB */
			d-cache-size = <8000>; /* 32 kB */
			dcr-controller;
			dcr-access-method = "native";
		};
	};

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


	UICB0: interrupt-controller-base {
		compatible = "ibm,uic-440gx", "ibm,uic";
		interrupt-controller;
		cell-index = <3>;
		dcr-reg = <200 009>;
		#address-cells = <0>;
		#size-cells = <0>;
		#interrupt-cells = <2>;
	};


	UIC0: interrupt-controller0 {
		compatible = "ibm,uic-440gx", "ibm,uic";
		interrupt-controller;
		cell-index = <0>;
		dcr-reg = <0c0 009>;
		#address-cells = <0>;
		#size-cells = <0>;
		#interrupt-cells = <2>;
		interrupts = <01 4 00 4>; /* cascade - first non-critical */
		interrupt-parent = <&UICB0>;

	};

	UIC1: interrupt-controller1 {
		compatible = "ibm,uic-440gx", "ibm,uic";
		interrupt-controller;
		cell-index = <1>;
		dcr-reg = <0d0 009>;
		#address-cells = <0>;
		#size-cells = <0>;
		#interrupt-cells = <2>;
		interrupts = <03 4 02 4>; /* cascade */
		interrupt-parent = <&UICB0>;
	};

	UIC2: interrupt-controller2 {
		compatible = "ibm,uic-440gx", "ibm,uic";
		interrupt-controller;
		cell-index = <2>; /* was 1 */
		dcr-reg = <210 009>;
		#address-cells = <0>;
		#size-cells = <0>;
		#interrupt-cells = <2>;
		interrupts = <05 4 04 4>; /* cascade */
		interrupt-parent = <&UICB0>;
	};


	CPC0: cpc {
		compatible = "ibm,cpc-440gp";
		dcr-reg = <0b0 003 0e0 010>;
		// FIXME: anything else?
	};

	plb {
		compatible = "ibm,plb-440gx", "ibm,plb4";
		#address-cells = <2>;
		#size-cells = <1>;
		ranges;
		clock-frequency = <9896800>; // 160MHz

		SDRAM0: memory-controller {
			compatible = "ibm,sdram-440gp";
			dcr-reg = <010 2>;
			// FIXME: anything else?
		};

		SRAM0: sram {
			compatible = "ibm,sram-440gp";
			dcr-reg = <020 8 00a 1>;
		};

		DMA0: dma {
			// FIXME: ???
			compatible = "ibm,dma-440gp";
			dcr-reg = <100 027>;
		};

		MAL0: mcmal {
			compatible = "ibm,mcmal-440gx", "ibm,mcmal2";
			dcr-reg = <180 62>;
			num-tx-chans = <4>;
			num-rx-chans = <4>;
			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>;
		};

		POB0: opb {
			compatible = "ibm,opb-440gx", "ibm,opb";
			#address-cells = <1>;
			#size-cells = <1>;
			/* Wish there was a nicer way of specifying a full 32-bit
			   range */
			ranges = <00000000 1 00000000 80000000
				  80000000 1 80000000 80000000>;
			dcr-reg = <090 00b>;
			interrupt-parent = <&UIC1>;
			interrupts = <7 4>;
			clock-frequency = <4C4B400>; // 80MHz


			EBC0: ebc {
				compatible = "ibm,ebc-440gx", "ibm,ebc";
				dcr-reg = <012 2>;
				#address-cells = <2>;
				#size-cells = <1>;
				clock-frequency = <4C4B400>; // 80MHz

				/* ranges property is supplied by zImage
				 * based on firmware's configuration of the
				 * EBC bridge */

				interrupts = <5 4>;
				interrupt-parent = <&UIC1>;

				/* TODO: Add other EBC devices */
			};



			UART0: serial@40000200 {
				device_type = "serial";
				compatible = "ns16550";
				reg = <40000200 8>;
				virtual-reg = <e0000200>;
 				clock-frequency = <A8C000>;
				current-speed = <1C200>; /* 115200 */
				interrupt-parent = <&UIC0>;
				interrupts = <0 4>;
			};

			UART1: serial@40000300 {
				device_type = "serial";
				compatible = "ns16550";
				reg = <40000300 8>;
				virtual-reg = <e0000300>;
				clock-frequency = <A8C000>;
				current-speed = <1C200>; /* 115200 */
				interrupt-parent = <&UIC0>;
				interrupts = <1 4>;
			};

			IIC0: i2c@40000400 {
				/* FIXME */
				compatible = "ibm,iic-440gp", "ibm,iic";
				reg = <40000400 14>;
				interrupt-parent = <&UIC0>;
				interrupts = <2 4>;
			};
			IIC1: i2c@40000500 {
				/* FIXME */
				compatible = "ibm,iic-440gp", "ibm,iic";
				reg = <40000500 14>;
				interrupt-parent = <&UIC0>;
				interrupts = <3 4>;
			};

			GPIO0: gpio@40000700 {
				/* FIXME */
				compatible = "ibm,gpio-440gp";
				reg = <40000700 20>;
			};

			ZMII0: emac-zmii@40000780 {
				compatible = "ibm,zmii-440gx", "ibm,zmii";
				reg = <40000780 c>;
			};

			RGMII0: emac-rgmii@40000790 {
				compatible = "ibm,rgmii";
				reg = <40000790 8>;
			};


			EMAC0: ethernet@40000800 {
				unused = <1>;
				device_type = "network";
				compatible = "ibm,emac-440gx", "ibm,emac4";
				interrupt-parent = <&UIC1>;
				interrupts = <1c 4 1d 4>;
				reg = <40000800 70>;
				local-mac-address = [000000000000]; // Filled in by zImage
				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 = "rmii";
				phy-map = <00000001>;
				zmii-device = <&ZMII0>;
				zmii-channel = <0>;
			};
		 	EMAC1: ethernet@40000900 {
				unused = <1>;
				device_type = "network";
				compatible = "ibm,emac-440gx", "ibm,emac4";
				interrupt-parent = <&UIC1>;
				interrupts = <1e 4 1f 4>;
				reg = <40000900 70>;
				local-mac-address = [000000000000]; // Filled in by zImage
				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 = "rmii";
				phy-map = <00000001>;
 				zmii-device = <&ZMII0>;
				zmii-channel = <1>;
			};

		 	EMAC2: ethernet@40000c00 {
				device_type = "network";
				compatible = "ibm,emac-440gx", "ibm,emac4";
				interrupt-parent = <&UIC2>;
				interrupts = <0 4 1 4>;
				reg = <40000c00 70>;
				local-mac-address = [000000000000]; // Filled in by zImage
				mal-device = <&MAL0>;
				mal-tx-channel = <2>;
				mal-rx-channel = <2>;
				cell-index = <2>;
				max-frame-size = <5dc>;
				rx-fifo-size = <1000>;
				tx-fifo-size = <800>;
				phy-mode = "rgmii";
				phy-map = <00000001>;
				rgmii-device = <&RGMII0>;
				rgmii-channel = <0>;
 				zmii-device = <&ZMII0>;
				zmii-channel = <2>;
			};

		 	EMAC3: ethernet@40000e00 {
				device_type = "network";
				compatible = "ibm,emac-440gx", "ibm,emac4";
				interrupt-parent = <&UIC2>;
				interrupts = <2 4 3 4>;
				reg = <40000e00 70>;
				local-mac-address = [000000000000]; // Filled in by zImage
				mal-device = <&MAL0>;
				mal-tx-channel = <3>;
				mal-rx-channel = <3>;
				cell-index = <3>;
				max-frame-size = <5dc>;
				rx-fifo-size = <1000>;
				tx-fifo-size = <800>;
				phy-mode = "rgmii";
				phy-map = <00000003>;
				rgmii-device = <&RGMII0>;
				rgmii-channel = <1>;
 				zmii-device = <&ZMII0>;
				zmii-channel = <3>;
			};


			GPT0: gpt@40000a00 {
				/* FIXME */
				reg = <40000a00 d4>;
				interrupt-parent = <&UIC0>;
				interrupts = <12 4 13 4 14 4 15 4 16 4>;
			};

		};

		PCIX0: pci@20ec00000 {
			device_type = "pci";
			#interrupt-cells = <1>;
			#size-cells = <2>;
			#address-cells = <3>;
			compatible = "ibm,plb440gp-pcix", "ibm,plb-pcix";
			primary;
			large-inbound-windows;
			enable-msi-hole;
			reg = <2 0ec00000   8	/* Config space access */
			       0 0 0		/* no IACK cycles */
			       2 0ed00000   4   /* Special cycles */
			       2 0ec80000 100	/* Internal registers */
			       2 0ec80100  fc>;	/* Internal messaging registers */

			/* Outbound ranges, one memory and one IO,
			 * later cannot be changed
			 */
			ranges = <02000000 0 80000000 00000003 80000000 0 80000000
				  01000000 0 00000000 00000002 08000000 0 00010000>;

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

			interrupt-map-mask = <f800 0 0 7>;
			interrupt-map = <
				/* IDSEL 1 */
				0800 0 0 1 &UIC0 17 8
				0800 0 0 2 &UIC0 18 8
				0800 0 0 3 &UIC0 19 8
				0800 0 0 4 &UIC0 1a 8

				/* IDSEL 2 */
				1000 0 0 1 &UIC0 18 8
				1000 0 0 2 &UIC0 19 8
				1000 0 0 3 &UIC0 1a 8
				1000 0 0 4 &UIC0 17 8
			>;
		};
	};

	chosen {
		linux,stdout-path = "/plb/opb/serial@40000300";
	};
};