1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
/* Copyright (c) 2005 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* Neither the name of the Advanced Micro Devices, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
* */
/*
* This file contains routines used in Redcloud initialization.
* */
/*----------------------------------------------------------------------------
* gfx_get_core_freq
*
* Returns the core clock frequency of a GX2.
*----------------------------------------------------------------------------
*/
#if GFX_INIT_DYNAMIC
unsigned long
gu2_get_core_freq(void)
#else
unsigned long
gfx_get_core_freq(void)
#endif
{
unsigned long value;
/* CPU SPEED IS REPORTED BY A VSM IN VSA II */
/* Virtual Register Class = 0x12 (Sysinfo) */
/* CPU Speed Register = 0x01 */
OUTW(0xAC1C, 0xFC53);
OUTW(0xAC1C, 0x1201);
value = (unsigned long)(INW(0xAC1E));
return (value);
}
/*----------------------------------------------------------------------------
* gfx_get_cpu_register_base
*
* This routine returns the base address for display controller registers.
*----------------------------------------------------------------------------
*/
#if GFX_INIT_DYNAMIC
unsigned long
gu2_get_cpu_register_base(void)
#else
unsigned long
gfx_get_cpu_register_base(void)
#endif
{
return gfx_pci_config_read(0x80000918);
}
/*----------------------------------------------------------------------------
* gfx_get_graphics_register_base
*
* This routine returns the base address for the graphics acceleration.
*----------------------------------------------------------------------------
*/
#if GFX_INIT_DYNAMIC
unsigned long
gu2_get_graphics_register_base(void)
#else
unsigned long
gfx_get_graphics_register_base(void)
#endif
{
return gfx_pci_config_read(0x80000914);
}
/*----------------------------------------------------------------------------
* gfx_get_frame_buffer_base
*
* This routine returns the base address for graphics memory.
*----------------------------------------------------------------------------
*/
#if GFX_INIT_DYNAMIC
unsigned long
gu2_get_frame_buffer_base(void)
#else
unsigned long
gfx_get_frame_buffer_base(void)
#endif
{
return gfx_pci_config_read(0x80000910);
}
/*----------------------------------------------------------------------------
* gfx_get_frame_buffer_size
*
* This routine returns the total size of graphics memory, in bytes.
*----------------------------------------------------------------------------
*/
#if GFX_INIT_DYNAMIC
unsigned long
gu2_get_frame_buffer_size(void)
#else
unsigned long
gfx_get_frame_buffer_size(void)
#endif
{
unsigned long value;
/* FRAME BUFFER SIZE IS REPORTED BY A VSM IN VSA II */
/* Virtual Register Class = 0x02 */
/* VG_MEM_SIZE (512KB units) = 0x00 */
OUTW(0xAC1C, 0xFC53);
OUTW(0xAC1C, 0x0200);
value = (unsigned long)(INW(0xAC1E)) & 0xFFl;
return (value << 19);
}
/*----------------------------------------------------------------------------
* gfx_get_vid_register_base
*
* This routine returns the base address for the video hardware.
*----------------------------------------------------------------------------
*/
#if GFX_INIT_DYNAMIC
unsigned long
gu2_get_vid_register_base(void)
#else
unsigned long
gfx_get_vid_register_base(void)
#endif
{
return gfx_pci_config_read(0x8000091C);
}
/* END OF FILE */
|
