freebsd-dev/sys/dts/mips/beri-sim.dts
2017-11-14 21:03:57 +00:00

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/*-
* 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 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 0x4000000>; // 64M at 0x0
};
cpuintc: cpuintc@0 {
#address-cells = <0>;
#interrupt-cells = <1>;
interrupt-controller;
compatible = "mti,cpu-interrupt-controller";
};
beripic0: 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 = < 2 3 4 5 6 >;
hard-interrupt-sources = <64>;
soft-interrupt-sources = <64>;
interrupt-parent = <&cpuintc>;
};
soc {
#address-cells = <1>;
#size-cells = <1>;
#interrupt-cells = <1>;
compatible = "simple-bus", "mips,mips4k";
ranges;
serial@7f000000 {
compatible = "altera,jtag_uart-11_0";
reg = <0x7f000000 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>;
};
virtio_mmio_platform0: virtio_mmio_platform@0 {
compatible = "beri,virtio_mmio_platform";
interrupts = <1>;
interrupt-parent = <&beripic0>;
};
virtio_block@7f020000 {
compatible = "virtio,mmio";
reg = <0x7f020000 0x1000>;
platform = <&virtio_mmio_platform0>;
};
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";
};
};
};