arch/powerpc/boot/dts/gamecube.dts

   1 /*
   2  * arch/powerpc/boot/dts/gamecube.dts
   3  *
   4  * Nintendo GameCube platform device tree source
   5  * Copyright (C) 2007-2009 The GameCube Linux Team
   6  * Copyright (C) 2007,2008,2009 Albert Herranz
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * as published by the Free Software Foundation; either version 2
  11  * of the License, or (at your option) any later version.
  12  *
  13  */
  14
  15 /dts-v1/;
  16
  17 / {
  18         model = "nintendo,gamecube";
  19         compatible = "nintendo,gamecube";
  20         #address-cells = <1>;
  21         #size-cells = <1>;
  22
  23         chosen {
  24                 bootargs = "root=/dev/gcnsda2 rootwait udbg-immortal";
  25         };
  26
  27         memory {
  28                 device_type = "memory";
  29                 reg = <0x00000000 0x01800000>;
  30         };
  31
  32         cpus {
  33                 #address-cells = <1>;
  34                 #size-cells = <0>;
  35
  36                 PowerPC,gekko@0 {
  37                         device_type = "cpu";
  38                         reg = <0>;
  39                         clock-frequency = <486000000>; /* 486MHz */
  40                         bus-frequency = <162000000>; /* 162MHz core-to-bus 3x */
  41                         timebase-frequency = <40500000>; /* 162MHz / 4 */
  42                         i-cache-line-size = <32>;
  43                         d-cache-line-size = <32>;
  44                         i-cache-size = <32768>;
  45                         d-cache-size = <32768>;
  46                 };
  47         };
  48
  49         /* devices contained int the flipper chipset */
  50         flipper {
  51                 #address-cells = <1>;
  52                 #size-cells = <1>;
  53                 compatible = "nintendo,flipper";
  54                 ranges = <0x0c000000 0x0c000000 0x00010000>;
  55                 interrupt-parent = <&PIC>;
  56
  57                 video@0c002000 {
  58                         compatible = "nintendo,flipper-vi";
  59                         reg = <0x0c002000 0x100>;
  60                         interrupts = <8>;
  61                 };
  62
  63                 processor-interface@0c003000 {
  64                         compatible = "nintendo,flipper-pi";
  65                         reg = <0x0c003000 0x100>;
  66
  67                         PIC: pic {
  68                                 #interrupt-cells = <1>;
  69                                 compatible = "nintendo,flipper-pic";
  70                                 interrupt-controller;
  71                         };
  72                 };
  73
  74                 dsp@0c005000 {
  75                         #address-cells = <1>;
  76                         #size-cells = <1>;
  77                         compatible = "nintendo,flipper-dsp";
  78                         reg = <0x0c005000 0x200>;
  79                         interrupts = <6>;
  80
  81                         memory@0 {
  82                                 compatible = "nintendo,flipper-aram";
  83                                 reg = <0 0x1000000>;    /* 16MB */
  84                         };
  85                 };
  86
  87                 disk@0c006000 {
  88                         compatible = "nintendo,flipper-di";
  89                         reg = <0x0c006000 0x40>;
  90                         interrupts = <2>;
  91                 };
  92
  93                 audio@0c006c00 {
  94                         compatible = "nintendo,flipper-ai";
  95                         reg = <0x0c006c00 0x20>;
  96                         interrupts = <6>;
  97                 };
  98
  99                 gamepad-controller@0c006400 {
 100                         compatible = "nintendo,flipper-si";
 101                         reg = <0x0c006400 0x100>;
 102                         interrupts = <3>;
 103                 };
 104
 105                 /* External Interface bus */
 106                 exi@0c006800 {
 107                         compatible = "nintendo,flipper-exi";
 108                         reg = <0x0c006800 0x40>;
 109                         virtual-reg = <0x0c006800>;
 110                         interrupts = <4>;
 111                 };
 112         };
 113 };
 114