xref: /freebsd-10.0-release/sys/boot/fdt/dts/beri-sim.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 BERI simulation";
	compatible = "sri-cambridge,beri-sim";
	#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 0x4000000>;		// 64M 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@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>;
		};

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