xref: /freebsd-10.0-release/sys/boot/fdt/dts/beripad-de4.dts

/*-
 * Copyright (c) 2012-2013 Robert N. M. Watson
 * Copyright (c) 2013 SRI International
 * All rights reserved.
 *
 * This software was developed by SRI International and the University of
 * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
 * ("CTSRD"), as part of the DARPA CRASH research programme.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD$
 */

/dts-v1/;

/*
 * Device names here have been largely made up on the spot, especially for the
 * "compatible" strings, and might want to be revised.
 *
 * For now, use 32-bit addressing as our Avalon bus is 32-bit.  However, in
 * the future, we should likely change to 64-bit.
 */

/ {
	model = "SRI/Cambridge BeriPad (DE4)";
	compatible = "sri-cambridge,beripad-de4";
	#address-cells = <1>;
	#size-cells = <1>;

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

		/*
		 * Secondary CPUs all start disabled and use the
		 * spin-table enable method.  cpu-release-addr must be
		 * specified for each cpu other than cpu@0.  Values of
		 * cpu-release-addr grow down from 0x100000 (kernel).
		 */
		status = "disabled";
		enable-method = "spin-table";

		cpu@0 {
			device-type = "cpu";
			compatible = "sri-cambridge,beri";

			reg = <0>;
			status = "okay";
		};

/*
		cpu@1 {
			device-type = "cpu";
			compatible = "sri-cambridge,beri";

			reg = <1>;
			// XXX: should we need cached prefix?
			cpu-release-addr = <0xffffffff 0x800fffe0>;
		};
*/
	};

	soc {
		#address-cells = <1>;
		#size-cells = <1>;
		#interrupt-cells = <1>;

		/*
		 * Declare mips,mips4k since BERI doesn't (yet) have a PIC, so
		 * we use mips4k coprocessor 0 interrupt management directly.
		 */
		compatible = "simple-bus", "mips,mips4k";
		ranges = <>;

		memory {
			device_type = "memory";
			reg = <0x0 0x40000000>;		// 1G at 0x0
		};

		beripic: beripic@7f804000 {
			compatible = "sri-cambridge,beri-pic";
			interrupt-controller;
			#address-cells = <0>;
			#interrupt-cells = <1>;
			reg = <0x7f804000 0x400
			       0x7f806000 0x10
			       0x7f806080 0x10
			       0x7f806100 0x10>;
			interrupts = <0 1 2 3 4>;
			hard-interrupt-sources = <64>;
			soft-interrupt-sources = <64>;
		};

		serial@7f002100 {
			compatible = "ns16550";
			reg = <0x7f002100 0x20>;
			reg-shift = <2>;
			clock-frequency = <50000000>;
			interrupts = <6>;
			interrupt-parent = <&beripic>;
		};

		serial@7f000000 {
			compatible = "altera,jtag_uart-11_0";
			reg = <0x7f000000 0x40>;
			interrupts = <0>;
			interrupt-parent = <&beripic>;
		};

		serial@7f001000 {
			compatible = "altera,jtag_uart-11_0";
			reg = <0x7f001000 0x40>;
		};

		serial@7f002000 {
			compatible = "altera,jtag_uart-11_0";
			reg = <0x7f002000 0x40>;
		};

		sdcard@7f008000 {
			compatible = "altera,sdcard_11_2011";
			reg = <0x7f008000 0x400>;
		};

		led@7f006000 {
			compatible = "sri-cambridge,de4led";
			reg = <0x7f006000 0x1>;
		};

		/*
		 * XXX-BZ keep flash before ethernet so that atse can read the
		 * Ethernet addresses for now.
		 */
		flash@74000000 {
			#address-cells = <1>;
			#size-cells = <1>;
			compatible = "cfi-flash";
			reg = <0x74000000 0x4000000>;

			/* Board configuration */
			partition@0 {
				reg = <0x0 0x20000>;
				label = "config";
			};

			/* Power up FPGA image */
			partition@20000 {
				reg = <0x20000 0xc00000>;
				label = "fpga0";
			};

			/* Secondary FPGA image (on RE_CONFIGn button) */
			partition@C20000 {
				reg = <0xc20000 0xc00000>;
				label = "fpga1";
			};

			/* Space for operating system use */
			partition@1820000 {
				reg = <0x1820000 0x027c0000>;
				label = "os";
			};

			/* Second stage bootloader */
			parition@3fe0000 {
				reg = <0x3fe0000 0x20000>;
				label = "boot";
			};
		};

		ethernet@7f007000 {
			compatible = "altera,atse";
			// MAC, RX+RXC, TX+TXC.
			reg = <0x7f007000 0x400
			       0x7f007500 0x8
			       0x7f007520 0x20
			       0x7f007400 0x8
			       0x7f007420 0x20>;
			// RX, TX
			interrupts = <1 2>;
			interrupt-parent = <&beripic>;
		};

		ethernet@7f005000 {
			compatible = "altera,atse";
			// MAC, RX+RXC, TX+TXC.
			reg = <0x7f005000 0x400
			       0x7f005500 0x8
			       0x7f005520 0x20
			       0x7f005400 0x8
			       0x7f005420 0x20>;
			// RX, TX
			interrupts = <11 12>;
			interrupt-parent = <&beripic>;
		};

		touchscreen@70400000 {
			compatible = "sri-cambridge,mtl";
			reg = <0x70400000 0x1000
			       0x70000000 0x177000
			       0x70177000 0x2000>;
		};

		usb@0x7f100000 {
			compatible = "philips,isp1761";
			reg = <0x7f100000 0x40000
			       0x7f140000 0x4>;
			// IRQ 4 is DC, IRQ 5 is HC.
			interrupts = <4 5>;
			interrupt-parent = <&beripic>;
		};

		avgen@0x7f009000 {
			compatible = "sri-cambridge,avgen";
			reg = <0x7f009000 0x2>;	
			sri-cambridge,width = <1>;
			sri-cambridge,fileio = "r";
			sri-cambridge,devname = "de4bsw";
		};

		avgen@0x7f00a000 {
			compatible = "sri-cambridge,avgen";
			reg = <0x7f00a000 0x14>;
			sri-cambridge,width = <4>;
			sri-cambridge,fileio = "rw";
			sri-cambridge,devname = "berirom";
		};

		avgen@0x7f00c000 {
			compatible = "sri-cambridge,avgen";
			reg = <0x7f00c000 0x8>;
			sri-cambridge,width = <4>;
			sri-cambridge,fileio = "rw";
			sri-cambridge,devname = "de4tempfan";
		};

		avgen@0x7f100000 {
			compatible = "sri-cambridge,avgen";
			reg = <0x7f100000 0x40000>;
			sri-cambridge,width = <4>;
			sri-cambridge,fileio = "r";
			sri-cambridge,devname = "usbmem";
		};

	};
};