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