arch/powerpc/boot/dts/gamecube.dts

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * arch/powerpc/boot/dts/gamecube.dts
   4  *
   5  * Nintendo GameCube platform device tree source
   6  * Copyright (C) 2007-2009 The GameCube Linux Team
   7  * Copyright (C) 2007,2008,2009 Albert Herranz
   8  */
   9
  10 /dts-v1/;
  11
  12 / {
  13         model = "nintendo,gamecube";
  14         compatible = "nintendo,gamecube";
  15         #address-cells = <1>;
  16         #size-cells = <1>;
  17
  18         chosen {
  19                 bootargs = "root=/dev/gcnsda2 rootwait udbg-immortal";
  20         };
  21
  22         memory {
  23                 device_type = "memory";
  24                 reg = <0x00000000 0x01800000>;
  25         };
  26
  27         cpus {
  28                 #address-cells = <1>;
  29                 #size-cells = <0>;
  30
  31                 PowerPC,gekko@0 {
  32                         device_type = "cpu";
  33                         reg = <0>;
  34                         clock-frequency = <486000000>; /* 486MHz */
  35                         bus-frequency = <162000000>; /* 162MHz core-to-bus 3x */
  36                         timebase-frequency = <40500000>; /* 162MHz / 4 */
  37                         i-cache-line-size = <32>;
  38                         d-cache-line-size = <32>;
  39                         i-cache-size = <32768>;
  40                         d-cache-size = <32768>;
  41                 };
  42         };
  43
  44         /* devices contained int the flipper chipset */
  45         flipper {
  46                 #address-cells = <1>;
  47                 #size-cells = <1>;
  48                 compatible = "nintendo,flipper";
  49                 ranges = <0x0c000000 0x0c000000 0x00010000>;
  50                 interrupt-parent = <&PIC>;
  51
  52                 video@c002000 {
  53                         compatible = "nintendo,flipper-vi";
  54                         reg = <0x0c002000 0x100>;
  55                         interrupts = <8>;
  56                 };
  57
  58                 processor-interface@c003000 {
  59                         compatible = "nintendo,flipper-pi";
  60                         reg = <0x0c003000 0x100>;
  61
  62                         PIC: pic {
  63                                 #interrupt-cells = <1>;
  64                                 compatible = "nintendo,flipper-pic";
  65                                 interrupt-controller;
  66                         };
  67                 };
  68
  69                 dsp@c005000 {
  70                         #address-cells = <1>;
  71                         #size-cells = <1>;
  72                         compatible = "nintendo,flipper-dsp";
  73                         reg = <0x0c005000 0x200>;
  74                         interrupts = <6>;
  75
  76                         memory@0 {
  77                                 compatible = "nintendo,flipper-aram";
  78                                 reg = <0 0x1000000>;    /* 16MB */
  79                         };
  80                 };
  81
  82                 disk@c006000 {
  83                         compatible = "nintendo,flipper-di";
  84                         reg = <0x0c006000 0x40>;
  85                         interrupts = <2>;
  86                 };
  87
  88                 audio@c006c00 {
  89                         compatible = "nintendo,flipper-ai";
  90                         reg = <0x0c006c00 0x20>;
  91                         interrupts = <6>;
  92                 };
  93
  94                 gamepad-controller@c006400 {
  95                         compatible = "nintendo,flipper-si";
  96                         reg = <0x0c006400 0x100>;
  97                         interrupts = <3>;
  98                 };
  99
 100                 /* External Interface bus */
 101                 exi@c006800 {
 102                         compatible = "nintendo,flipper-exi";
 103                         reg = <0x0c006800 0x40>;
 104                         virtual-reg = <0x0c006800>;
 105                         interrupts = <4>;
 106                 };
 107         };
 108 };
 109