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2874c5fd 1// SPDX-License-Identifier: GPL-2.0-or-later
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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
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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
600ecc19 52 video@c002000 {
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53 compatible = "nintendo,flipper-vi";
54 reg = <0x0c002000 0x100>;
55 interrupts = <8>;
56 };
57
600ecc19 58 processor-interface@c003000 {
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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
600ecc19 69 dsp@c005000 {
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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
600ecc19 82 disk@c006000 {
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83 compatible = "nintendo,flipper-di";
84 reg = <0x0c006000 0x40>;
85 interrupts = <2>;
86 };
87
600ecc19 88 audio@c006c00 {
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89 compatible = "nintendo,flipper-ai";
90 reg = <0x0c006c00 0x20>;
91 interrupts = <6>;
92 };
93
600ecc19 94 gamepad-controller@c006400 {
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95 compatible = "nintendo,flipper-si";
96 reg = <0x0c006400 0x100>;
97 interrupts = <3>;
98 };
99
100 /* External Interface bus */
600ecc19 101 exi@c006800 {
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102 compatible = "nintendo,flipper-exi";
103 reg = <0x0c006800 0x40>;
104 virtual-reg = <0x0c006800>;
105 interrupts = <4>;
106 };
107 };
108};
109