sys/dts/mips/beri-sim.dts

   1 /*-
   2  * Copyright (c) 2012-2013 Robert N. M. Watson
   3  * Copyright (c) 2013 SRI International
   4  * All rights reserved.
   5  *
   6  * This software was developed by SRI International and the University of
   7  * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
   8  * ("CTSRD"), as part of the DARPA CRASH research programme.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  * $FreeBSD$
  32  */
  33
  34 /dts-v1/;
  35
  36 /*
  37  * Device names here have been largely made up on the spot, especially for the
  38  * "compatible" strings, and might want to be revised.
  39  *
  40  * For now, use 32-bit addressing as our Avalon bus is 32-bit.  However, in
  41  * the future, we should likely change to 64-bit.
  42  */
  43
  44 / {
  45         model = "SRI/Cambridge BERI simulation";
  46         compatible = "sri-cambridge,beri-sim";
  47         #address-cells = <1>;
  48         #size-cells = <1>;
  49
  50         cpus {
  51                 #address-cells = <1>;
  52                 #size-cells = <1>;
  53
  54                 /*
  55                  * Secondary CPUs all start disabled and use the
  56                  * spin-table enable method.  cpu-release-addr must be
  57                  * specified for each cpu other than cpu@0.  Values of
  58                  * cpu-release-addr grow down from 0x100000 (kernel).
  59                  */
  60                 status = "disabled";
  61                 enable-method = "spin-table";
  62
  63                 cpu@0 {
  64                         device-type = "cpu";
  65                         compatible = "sri-cambridge,beri";
  66
  67                         reg = <0 1>;
  68                         status = "okay";
  69                 };
  70
  71 /*
  72                 cpu@1 {
  73                         device-type = "cpu";
  74                         compatible = "sri-cambridge,beri";
  75
  76                         reg = <1 1>;
  77                         // XXX: should we need cached prefix?
  78                         cpu-release-addr = <0xffffffff 0x800fffe0>;
  79                 };
  80 */
  81         };
  82
  83         memory {
  84                 device_type = "memory";
  85                 reg = <0x0 0x4000000>;          // 64M at 0x0
  86         };
  87
  88         cpuintc: cpuintc@0 {
  89                 #address-cells = <0>;
  90                 #interrupt-cells = <1>;
  91                 interrupt-controller;
  92                 compatible = "mti,cpu-interrupt-controller";
  93         };
  94
  95         beripic0: beripic@7f804000 {
  96                 compatible = "sri-cambridge,beri-pic";
  97                 interrupt-controller;
  98                 #address-cells = <0>;
  99                 #interrupt-cells = <1>;
 100                 reg = <0x7f804000 0x400
 101                        0x7f806000 0x10
 102                        0x7f806080 0x10
 103                        0x7f806100 0x10>;
 104                 interrupts = < 2 3 4 5 6 >;
 105                 hard-interrupt-sources = <64>;
 106                 soft-interrupt-sources = <64>;
 107                 interrupt-parent = <&cpuintc>;
 108         };
 109
 110         soc {
 111                 #address-cells = <1>;
 112                 #size-cells = <1>;
 113                 #interrupt-cells = <1>;
 114
 115                 compatible = "simple-bus", "mips,mips4k";
 116                 ranges;
 117
 118                 serial@7f000000 {
 119                         compatible = "altera,jtag_uart-11_0";
 120                         reg = <0x7f000000 0x40>;
 121                         interrupts = <0>;
 122                         interrupt-parent = <&beripic0>;
 123                 };
 124
 125                 serial@7f001000 {
 126                         compatible = "altera,jtag_uart-11_0";
 127                         reg = <0x7f001000 0x40>;
 128                 };
 129
 130                 serial@7f002000 {
 131                         compatible = "altera,jtag_uart-11_0";
 132                         reg = <0x7f002000 0x40>;
 133                 };
 134
 135                 virtio_mmio_platform0: virtio_mmio_platform@0 {
 136                         compatible = "beri,virtio_mmio_platform";
 137                         interrupts = <1>;
 138                         interrupt-parent = <&beripic0>;
 139                 };
 140
 141                 virtio_block@7f020000 {
 142                         compatible = "virtio,mmio";
 143                         reg = <0x7f020000 0x1000>;
 144                         platform = <&virtio_mmio_platform0>;
 145                 };
 146
 147                 sdcard@7f008000 {
 148                         compatible = "altera,sdcard_11_2011";
 149                         reg = <0x7f008000 0x400>;
 150                 };
 151
 152                 avgen@0x7f00a000 {
 153                         compatible = "sri-cambridge,avgen";
 154                         reg = <0x7f00a000 0x14>;
 155                         sri-cambridge,width = <4>;
 156                         sri-cambridge,fileio = "rw";
 157                         sri-cambridge,devname = "berirom";
 158                 };
 159         };
 160 };