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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 |