freebsd-dev/sys/boot/fdt/dts/mips/beripad-sockit.dts

/*-
 * Copyright (c) 2012-2013 Robert N. M. Watson
 * Copyright (c) 2013-2014 SRI International
 * Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com>
 * 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.
 */

/ {
	model = "SRI/Cambridge BeriPad (SoCKit)";
	compatible = "sri-cambridge,beripad-sockit";
	#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 1>;
			status = "okay";
		};

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

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

	memory {
		device_type = "memory";
		reg = <0x0 0x10000000>; /* 256MB at 0x0 */
	};

	soc {
		#address-cells = <2>;
		#size-cells = <2>;
		#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 = <>; */

		beripic0: beripic@7f804000 {
			compatible = "sri-cambridge,beri-pic";
			interrupt-controller;
			#address-cells = <0>;
			#interrupt-cells = <1>;
			reg = <0x0 0x7f804000 0x0 0x400
			       0x0 0x7f806000 0x0 0x10
			       0x0 0x7f806080 0x0 0x10
			       0x0 0x7f806100 0x0 0x10>;
			interrupts = <0 1 2 3 4>;
			hard-interrupt-sources = <64>;
			soft-interrupt-sources = <64>;
		};

		pio0: pio@7f020000 {
			compatible = "altr,pio";
			reg = <0x0 0x7f020000 0x0 0x1000>; /* send */
			interrupts = <4>; /* not used */
			interrupt-parent = <&beripic0>;
		};

		pio1: pio@7f021000 {
			compatible = "altr,pio";
			reg = <0x0 0x7f021000 0x0 0x1000>; /* recv */
			interrupts = <10>;
			interrupt-parent = <&beripic0>;
		};

		pio2: pio@7f022000 {
			compatible = "altr,pio";
			reg = <0x0 0x7f022000 0x0 0x1000>; /* send */
			interrupts = <5>; /* not used */
			interrupt-parent = <&beripic0>;
		};

		pio3: pio@7f023000 {
			compatible = "altr,pio";
			reg = <0x0 0x7f023000 0x0 0x1000>; /* recv */
			interrupts = <11>;
			interrupt-parent = <&beripic0>;
		};

		virtio_mmio_platform0: virtio_mmio_platform@0 {
			compatible = "beri,virtio_mmio_platform";
			pio-send = <&pio0>;
			pio-recv = <&pio1>;
		};

		virtio_mmio_platform1: virtio_mmio_platform@1 {
			compatible = "beri,virtio_mmio_platform";
			pio-send = <&pio2>;
			pio-recv = <&pio3>;
		};

		virtio_block@200001000 {
			compatible = "virtio,mmio";
			reg = <0x2 0x1000 0x0 0x1000>;
			platform = <&virtio_mmio_platform0>;
			status = "okay";
		};

		virtio_net@200002000 {
			compatible = "virtio,mmio";
			reg = <0x2 0x2000 0x0 0x1000>;
			platform = <&virtio_mmio_platform1>;
			status = "okay";
		};

		serial@7f000000 {
			compatible = "altera,jtag_uart-11_0";
			reg = <0x0 0x7f000000 0x0 0x40>;
			interrupts = <0>;
			interrupt-parent = <&beripic0>;
		};

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

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

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

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

/*
		berirom@0x7f00a000 {
			compatible = "sri-cambridge,berirom";
			reg = <0x7f00a000 0x1000>;
		};
*/

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