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}; 109 110