path: root/pc-bios/bamboo.dts

/*
 * Device Tree Source for AMCC Bamboo
 *
 * Copyright (c) 2006, 2007 IBM Corp.
 * Josh Boyer <jwboyer@linux.vnet.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.
 */

/dts-v1/;

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

	aliases {
		serial0 = &UART0;
		serial1 = &UART1;
	};

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

		cpu@0 {
			device_type = "cpu";
			model = "PowerPC,440EP";
			reg = <0>;
			clock-frequency = <0x1fca0550>;
			timebase-frequency = <0x017d7840>;
			i-cache-line-size = <0x20>;
			d-cache-line-size = <0x20>;
			i-cache-size = <0x8000>;
			d-cache-size = <0x8000>;
			dcr-controller;
			dcr-access-method = "native";
		};
	};

	memory {
		device_type = "memory";
		reg = <0x0 0x0 0x9000000>;
	};

	UIC0: interrupt-controller0 {
		compatible = "ibm,uic-440ep","ibm,uic";
		interrupt-controller;
		cell-index = <0x0>;
		dcr-reg = <0x0c0 0x009>;
		#address-cells = <0x0>;
		#size-cells = <0x0>;
		#interrupt-cells = <0x2>;
	};

	SDR0: sdr {
		compatible = "ibm,sdr-440ep";
		dcr-reg = <0x00e 0x002>;
	};

	CPR0: cpr {
		compatible = "ibm,cpr-440ep";
		dcr-reg = <0x00c 0x002>;
	};

	plb {
		compatible = "ibm,plb-440ep", "ibm,plb-440gp", "ibm,plb4";
		#address-cells = <2>;
		#size-cells = <1>;
		ranges;
		clock-frequency = <0x07f28154>;

		SDRAM0: sdram {
			compatible = "ibm,sdram-440ep", "ibm,sdram-405gp";
			dcr-reg = <0x010 0x2>;
		};

		DMA0: dma {
			compatible = "ibm,dma-440ep", "ibm,dma-440gp";
			dcr-reg = <0x100 0x027>;
		};

		POB0: opb {
			compatible = "ibm,opb-440ep", "ibm,opb-440gp", "ibm,opb";
			#address-cells = <1>;
			#size-cells = <1>;
			/* Bamboo is oddball in the 44x world and doesn't use the ERPN
			 * bits.
			 */
			ranges = <0x00000000 0x0 0x00000000 0x80000000
			          0x80000000 0x0 0x80000000 0x80000000>;
			/* interrupt-parent = <&UIC1>; */
			interrupts = <7 4>;
			clock-frequency = <0x03f940aa>;

			EBC0: ebc {
				compatible = "ibm,ebc-440ep", "ibm,ebc-440gp", "ibm,ebc";
				dcr-reg = <0x012 2>;
				#address-cells = <2>;
				#size-cells = <1>;
				clock-frequency = <0x03f940aa>;
				interrupts = <5 1>;
			/* interrupt-parent = <&UIC1>; */
			};

			UART0: serial@ef600300 {
				device_type = "serial";
				compatible = "ns16550";
				reg = <0xef600300 8>;
				virtual-reg = <0xef600300>;
				clock-frequency = <0x00a8c000>;
				current-speed = <0x1c200>;
				interrupt-parent = <&UIC0>;
				interrupts = <0 4>;
			};

			UART1: serial@ef600400 {
				device_type = "serial";
				compatible = "ns16550";
				reg = <0xef600400 8>;
				virtual-reg = <0xef600400>;
				clock-frequency = <0x00a8c000>;
				current-speed = <0>;
				interrupt-parent = <&UIC0>;
				interrupts = <1 4>;
			};

			IIC0: i2c@ef600700 {
				device_type = "i2c";
				compatible = "ibm,iic-440ep", "ibm,iic-440gp", "ibm,iic";
				reg = <0xef600700 0x14>;
				interrupt-parent = <&UIC0>;
				interrupts = <2 4>;
			};

			IIC1: i2c@ef600800 {
				device_type = "i2c";
				compatible = "ibm,iic-440ep", "ibm,iic-440gp", "ibm,iic";
				reg = <0xef600800 14>;
				interrupt-parent = <&UIC0>;
				interrupts = <7 4>;
			};

			ZMII0: emac-zmii@ef600d00 {
				device_type = "zmii-interface";
				compatible = "ibm,zmii-440ep", "ibm,zmii-440gp", "ibm,zmii";
				reg = <0xef600d00 0xc>;
			};

		};

		PCI0: pci@ec000000 {
			device_type = "pci";
			#interrupt-cells = <1>;
			#size-cells = <2>;
			#address-cells = <3>;
			compatible = "ibm,plb440ep-pci", "ibm,plb-pci";
			primary;
			reg = <0 0xeec00000 8     /* Config space access */
			       0 0xeed00000 4     /* IACK */
			       0 0xeed00000 4     /* Special cycle */
			       0 0xef400000 0x40>;  /* 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 = <0x02000000 0 0xa0000000 0 0xa0000000 0 0x20000000
				  0x01000000 0 0x00000000 0 0xe8000000 0 0x00010000>;

			/* Inbound 2GB range starting at 0 */
			dma-ranges = <0x42000000 0 0 0 0 0 0x80000000>;

			/* Bamboo has all 4 IRQ pins tied together per slot */
			interrupt-map-mask = <0xf800 0 0 0>;
			interrupt-map = <
				/* IDSEL 1 */
				0x0800 0 0 0 &UIC0 0x1c 8

				/* IDSEL 2 */
				0x1000 0 0 0 &UIC0 0x1b 8

				/* IDSEL 3 */
				0x1800 0 0 0 &UIC0 0x1a 8

				/* IDSEL 4 */
				0x2000 0 0 0 &UIC0 0x19 8
			>;
		};

	};

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