1 // SPDX-License-Identifier: GPL-2.0-or-later <<
2 /* 1 /*
3 * arch/powerpc/boot/dts/gamecube.dts 2 * arch/powerpc/boot/dts/gamecube.dts
4 * 3 *
5 * Nintendo GameCube platform device tree sour 4 * Nintendo GameCube platform device tree source
6 * Copyright (C) 2007-2009 The GameCube Linux 5 * Copyright (C) 2007-2009 The GameCube Linux Team
7 * Copyright (C) 2007,2008,2009 Albert Herranz 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 *
8 */ 13 */
9 14
10 /dts-v1/; 15 /dts-v1/;
11 16
12 / { 17 / {
13 model = "nintendo,gamecube"; 18 model = "nintendo,gamecube";
14 compatible = "nintendo,gamecube"; 19 compatible = "nintendo,gamecube";
15 #address-cells = <1>; 20 #address-cells = <1>;
16 #size-cells = <1>; 21 #size-cells = <1>;
17 22
18 chosen { 23 chosen {
19 bootargs = "root=/dev/gcnsda2 24 bootargs = "root=/dev/gcnsda2 rootwait udbg-immortal";
20 }; 25 };
21 26
22 memory { 27 memory {
23 device_type = "memory"; 28 device_type = "memory";
24 reg = <0x00000000 0x01800000>; 29 reg = <0x00000000 0x01800000>;
25 }; 30 };
26 31
27 cpus { 32 cpus {
28 #address-cells = <1>; 33 #address-cells = <1>;
29 #size-cells = <0>; 34 #size-cells = <0>;
30 35
31 PowerPC,gekko@0 { 36 PowerPC,gekko@0 {
32 device_type = "cpu"; 37 device_type = "cpu";
33 reg = <0>; 38 reg = <0>;
34 clock-frequency = <486 39 clock-frequency = <486000000>; /* 486MHz */
35 bus-frequency = <16200 40 bus-frequency = <162000000>; /* 162MHz core-to-bus 3x */
36 timebase-frequency = < 41 timebase-frequency = <40500000>; /* 162MHz / 4 */
37 i-cache-line-size = <3 42 i-cache-line-size = <32>;
38 d-cache-line-size = <3 43 d-cache-line-size = <32>;
39 i-cache-size = <32768> 44 i-cache-size = <32768>;
40 d-cache-size = <32768> 45 d-cache-size = <32768>;
41 }; 46 };
42 }; 47 };
43 48
44 /* devices contained int the flipper c 49 /* devices contained int the flipper chipset */
45 flipper { 50 flipper {
46 #address-cells = <1>; 51 #address-cells = <1>;
47 #size-cells = <1>; 52 #size-cells = <1>;
48 compatible = "nintendo,flipper 53 compatible = "nintendo,flipper";
49 ranges = <0x0c000000 0x0c00000 54 ranges = <0x0c000000 0x0c000000 0x00010000>;
50 interrupt-parent = <&PIC>; 55 interrupt-parent = <&PIC>;
51 56
52 video@c002000 { 57 video@c002000 {
53 compatible = "nintendo 58 compatible = "nintendo,flipper-vi";
54 reg = <0x0c002000 0x10 59 reg = <0x0c002000 0x100>;
55 interrupts = <8>; 60 interrupts = <8>;
56 }; 61 };
57 62
58 processor-interface@c003000 { 63 processor-interface@c003000 {
59 compatible = "nintendo 64 compatible = "nintendo,flipper-pi";
60 reg = <0x0c003000 0x10 65 reg = <0x0c003000 0x100>;
61 66
62 PIC: pic { 67 PIC: pic {
63 #interrupt-cel 68 #interrupt-cells = <1>;
64 compatible = " 69 compatible = "nintendo,flipper-pic";
65 interrupt-cont 70 interrupt-controller;
66 }; 71 };
67 }; 72 };
68 73
69 dsp@c005000 { 74 dsp@c005000 {
70 #address-cells = <1>; 75 #address-cells = <1>;
71 #size-cells = <1>; 76 #size-cells = <1>;
72 compatible = "nintendo 77 compatible = "nintendo,flipper-dsp";
73 reg = <0x0c005000 0x20 78 reg = <0x0c005000 0x200>;
74 interrupts = <6>; 79 interrupts = <6>;
75 80
76 memory@0 { 81 memory@0 {
77 compatible = " 82 compatible = "nintendo,flipper-aram";
78 reg = <0 0x100 83 reg = <0 0x1000000>; /* 16MB */
79 }; 84 };
80 }; 85 };
81 86
82 disk@c006000 { 87 disk@c006000 {
83 compatible = "nintendo 88 compatible = "nintendo,flipper-di";
84 reg = <0x0c006000 0x40 89 reg = <0x0c006000 0x40>;
85 interrupts = <2>; 90 interrupts = <2>;
86 }; 91 };
87 92
88 audio@c006c00 { 93 audio@c006c00 {
89 compatible = "nintendo 94 compatible = "nintendo,flipper-ai";
90 reg = <0x0c006c00 0x20 95 reg = <0x0c006c00 0x20>;
91 interrupts = <6>; 96 interrupts = <6>;
92 }; 97 };
93 98
94 gamepad-controller@c006400 { 99 gamepad-controller@c006400 {
95 compatible = "nintendo 100 compatible = "nintendo,flipper-si";
96 reg = <0x0c006400 0x10 101 reg = <0x0c006400 0x100>;
97 interrupts = <3>; 102 interrupts = <3>;
98 }; 103 };
99 104
100 /* External Interface bus */ 105 /* External Interface bus */
101 exi@c006800 { 106 exi@c006800 {
102 compatible = "nintendo 107 compatible = "nintendo,flipper-exi";
103 reg = <0x0c006800 0x40 108 reg = <0x0c006800 0x40>;
104 virtual-reg = <0x0c006 109 virtual-reg = <0x0c006800>;
105 interrupts = <4>; 110 interrupts = <4>;
106 }; 111 };
107 }; 112 };
108 }; 113 };
109 114
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