Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * longhaul.h | |
3 | * (C) 2003 Dave Jones. | |
4 | * | |
5 | * Licensed under the terms of the GNU GPL License version 2. | |
6 | * | |
7 | * VIA-specific information | |
8 | */ | |
9 | ||
10 | union msr_bcr2 { | |
11 | struct { | |
12 | unsigned Reseved:19, // 18:0 | |
13 | ESOFTBF:1, // 19 | |
14 | Reserved2:3, // 22:20 | |
15 | CLOCKMUL:4, // 26:23 | |
16 | Reserved3:5; // 31:27 | |
17 | } bits; | |
18 | unsigned long val; | |
19 | }; | |
20 | ||
21 | union msr_longhaul { | |
22 | struct { | |
23 | unsigned RevisionID:4, // 3:0 | |
24 | RevisionKey:4, // 7:4 | |
25 | EnableSoftBusRatio:1, // 8 | |
26 | EnableSoftVID:1, // 9 | |
27 | EnableSoftBSEL:1, // 10 | |
28 | Reserved:3, // 11:13 | |
29 | SoftBusRatio4:1, // 14 | |
30 | VRMRev:1, // 15 | |
31 | SoftBusRatio:4, // 19:16 | |
32 | SoftVID:5, // 24:20 | |
33 | Reserved2:3, // 27:25 | |
34 | SoftBSEL:2, // 29:28 | |
35 | Reserved3:2, // 31:30 | |
36 | MaxMHzBR:4, // 35:32 | |
37 | MaximumVID:5, // 40:36 | |
38 | MaxMHzFSB:2, // 42:41 | |
39 | MaxMHzBR4:1, // 43 | |
40 | Reserved4:4, // 47:44 | |
41 | MinMHzBR:4, // 51:48 | |
42 | MinimumVID:5, // 56:52 | |
43 | MinMHzFSB:2, // 58:57 | |
44 | MinMHzBR4:1, // 59 | |
45 | Reserved5:4; // 63:60 | |
46 | } bits; | |
47 | unsigned long long val; | |
48 | }; | |
49 | ||
50 | /* | |
51 | * Clock ratio tables. Div/Mod by 10 to get ratio. | |
ac617bd0 DJ |
52 | * The eblcr values specify the ratio read from the CPU. |
53 | * The mults values specify what to write to the CPU. | |
1da177e4 LT |
54 | */ |
55 | ||
56 | /* | |
57 | * VIA C3 Samuel 1 & Samuel 2 (stepping 0) | |
58 | */ | |
21ce35dc | 59 | static const int __cpuinitconst samuel1_mults[16] = { |
1da177e4 LT |
60 | -1, /* 0000 -> RESERVED */ |
61 | 30, /* 0001 -> 3.0x */ | |
62 | 40, /* 0010 -> 4.0x */ | |
63 | -1, /* 0011 -> RESERVED */ | |
64 | -1, /* 0100 -> RESERVED */ | |
65 | 35, /* 0101 -> 3.5x */ | |
66 | 45, /* 0110 -> 4.5x */ | |
67 | 55, /* 0111 -> 5.5x */ | |
68 | 60, /* 1000 -> 6.0x */ | |
69 | 70, /* 1001 -> 7.0x */ | |
70 | 80, /* 1010 -> 8.0x */ | |
71 | 50, /* 1011 -> 5.0x */ | |
72 | 65, /* 1100 -> 6.5x */ | |
73 | 75, /* 1101 -> 7.5x */ | |
74 | -1, /* 1110 -> RESERVED */ | |
75 | -1, /* 1111 -> RESERVED */ | |
76 | }; | |
77 | ||
21ce35dc | 78 | static const int __cpuinitconst samuel1_eblcr[16] = { |
1da177e4 LT |
79 | 50, /* 0000 -> RESERVED */ |
80 | 30, /* 0001 -> 3.0x */ | |
81 | 40, /* 0010 -> 4.0x */ | |
82 | -1, /* 0011 -> RESERVED */ | |
83 | 55, /* 0100 -> 5.5x */ | |
84 | 35, /* 0101 -> 3.5x */ | |
85 | 45, /* 0110 -> 4.5x */ | |
86 | -1, /* 0111 -> RESERVED */ | |
87 | -1, /* 1000 -> RESERVED */ | |
88 | 70, /* 1001 -> 7.0x */ | |
89 | 80, /* 1010 -> 8.0x */ | |
90 | 60, /* 1011 -> 6.0x */ | |
91 | -1, /* 1100 -> RESERVED */ | |
92 | 75, /* 1101 -> 7.5x */ | |
93 | -1, /* 1110 -> RESERVED */ | |
94 | 65, /* 1111 -> 6.5x */ | |
95 | }; | |
96 | ||
97 | /* | |
98 | * VIA C3 Samuel2 Stepping 1->15 | |
99 | */ | |
21ce35dc | 100 | static const int __cpuinitconst samuel2_eblcr[16] = { |
1da177e4 LT |
101 | 50, /* 0000 -> 5.0x */ |
102 | 30, /* 0001 -> 3.0x */ | |
103 | 40, /* 0010 -> 4.0x */ | |
104 | 100, /* 0011 -> 10.0x */ | |
105 | 55, /* 0100 -> 5.5x */ | |
106 | 35, /* 0101 -> 3.5x */ | |
107 | 45, /* 0110 -> 4.5x */ | |
108 | 110, /* 0111 -> 11.0x */ | |
109 | 90, /* 1000 -> 9.0x */ | |
110 | 70, /* 1001 -> 7.0x */ | |
111 | 80, /* 1010 -> 8.0x */ | |
112 | 60, /* 1011 -> 6.0x */ | |
113 | 120, /* 1100 -> 12.0x */ | |
114 | 75, /* 1101 -> 7.5x */ | |
115 | 130, /* 1110 -> 13.0x */ | |
116 | 65, /* 1111 -> 6.5x */ | |
117 | }; | |
118 | ||
119 | /* | |
120 | * VIA C3 Ezra | |
121 | */ | |
21ce35dc | 122 | static const int __cpuinitconst ezra_mults[16] = { |
1da177e4 LT |
123 | 100, /* 0000 -> 10.0x */ |
124 | 30, /* 0001 -> 3.0x */ | |
125 | 40, /* 0010 -> 4.0x */ | |
126 | 90, /* 0011 -> 9.0x */ | |
127 | 95, /* 0100 -> 9.5x */ | |
128 | 35, /* 0101 -> 3.5x */ | |
129 | 45, /* 0110 -> 4.5x */ | |
130 | 55, /* 0111 -> 5.5x */ | |
131 | 60, /* 1000 -> 6.0x */ | |
132 | 70, /* 1001 -> 7.0x */ | |
133 | 80, /* 1010 -> 8.0x */ | |
134 | 50, /* 1011 -> 5.0x */ | |
135 | 65, /* 1100 -> 6.5x */ | |
136 | 75, /* 1101 -> 7.5x */ | |
137 | 85, /* 1110 -> 8.5x */ | |
138 | 120, /* 1111 -> 12.0x */ | |
139 | }; | |
140 | ||
21ce35dc | 141 | static const int __cpuinitconst ezra_eblcr[16] = { |
1da177e4 LT |
142 | 50, /* 0000 -> 5.0x */ |
143 | 30, /* 0001 -> 3.0x */ | |
144 | 40, /* 0010 -> 4.0x */ | |
145 | 100, /* 0011 -> 10.0x */ | |
146 | 55, /* 0100 -> 5.5x */ | |
147 | 35, /* 0101 -> 3.5x */ | |
148 | 45, /* 0110 -> 4.5x */ | |
149 | 95, /* 0111 -> 9.5x */ | |
150 | 90, /* 1000 -> 9.0x */ | |
151 | 70, /* 1001 -> 7.0x */ | |
152 | 80, /* 1010 -> 8.0x */ | |
153 | 60, /* 1011 -> 6.0x */ | |
154 | 120, /* 1100 -> 12.0x */ | |
155 | 75, /* 1101 -> 7.5x */ | |
156 | 85, /* 1110 -> 8.5x */ | |
157 | 65, /* 1111 -> 6.5x */ | |
158 | }; | |
159 | ||
160 | /* | |
161 | * VIA C3 (Ezra-T) [C5M]. | |
162 | */ | |
21ce35dc | 163 | static const int __cpuinitconst ezrat_mults[32] = { |
1da177e4 LT |
164 | 100, /* 0000 -> 10.0x */ |
165 | 30, /* 0001 -> 3.0x */ | |
166 | 40, /* 0010 -> 4.0x */ | |
167 | 90, /* 0011 -> 9.0x */ | |
168 | 95, /* 0100 -> 9.5x */ | |
169 | 35, /* 0101 -> 3.5x */ | |
170 | 45, /* 0110 -> 4.5x */ | |
171 | 55, /* 0111 -> 5.5x */ | |
172 | 60, /* 1000 -> 6.0x */ | |
173 | 70, /* 1001 -> 7.0x */ | |
174 | 80, /* 1010 -> 8.0x */ | |
175 | 50, /* 1011 -> 5.0x */ | |
176 | 65, /* 1100 -> 6.5x */ | |
177 | 75, /* 1101 -> 7.5x */ | |
178 | 85, /* 1110 -> 8.5x */ | |
179 | 120, /* 1111 -> 12.0x */ | |
180 | ||
181 | -1, /* 0000 -> RESERVED (10.0x) */ | |
182 | 110, /* 0001 -> 11.0x */ | |
ce243823 | 183 | -1, /* 0010 -> 12.0x */ |
1da177e4 LT |
184 | -1, /* 0011 -> RESERVED (9.0x)*/ |
185 | 105, /* 0100 -> 10.5x */ | |
186 | 115, /* 0101 -> 11.5x */ | |
187 | 125, /* 0110 -> 12.5x */ | |
188 | 135, /* 0111 -> 13.5x */ | |
189 | 140, /* 1000 -> 14.0x */ | |
190 | 150, /* 1001 -> 15.0x */ | |
191 | 160, /* 1010 -> 16.0x */ | |
192 | 130, /* 1011 -> 13.0x */ | |
193 | 145, /* 1100 -> 14.5x */ | |
194 | 155, /* 1101 -> 15.5x */ | |
195 | -1, /* 1110 -> RESERVED (13.0x) */ | |
196 | -1, /* 1111 -> RESERVED (12.0x) */ | |
197 | }; | |
198 | ||
21ce35dc | 199 | static const int __cpuinitconst ezrat_eblcr[32] = { |
1da177e4 LT |
200 | 50, /* 0000 -> 5.0x */ |
201 | 30, /* 0001 -> 3.0x */ | |
202 | 40, /* 0010 -> 4.0x */ | |
203 | 100, /* 0011 -> 10.0x */ | |
204 | 55, /* 0100 -> 5.5x */ | |
205 | 35, /* 0101 -> 3.5x */ | |
206 | 45, /* 0110 -> 4.5x */ | |
207 | 95, /* 0111 -> 9.5x */ | |
208 | 90, /* 1000 -> 9.0x */ | |
209 | 70, /* 1001 -> 7.0x */ | |
210 | 80, /* 1010 -> 8.0x */ | |
211 | 60, /* 1011 -> 6.0x */ | |
212 | 120, /* 1100 -> 12.0x */ | |
213 | 75, /* 1101 -> 7.5x */ | |
214 | 85, /* 1110 -> 8.5x */ | |
215 | 65, /* 1111 -> 6.5x */ | |
216 | ||
217 | -1, /* 0000 -> RESERVED (9.0x) */ | |
218 | 110, /* 0001 -> 11.0x */ | |
219 | 120, /* 0010 -> 12.0x */ | |
220 | -1, /* 0011 -> RESERVED (10.0x)*/ | |
221 | 135, /* 0100 -> 13.5x */ | |
222 | 115, /* 0101 -> 11.5x */ | |
223 | 125, /* 0110 -> 12.5x */ | |
224 | 105, /* 0111 -> 10.5x */ | |
225 | 130, /* 1000 -> 13.0x */ | |
226 | 150, /* 1001 -> 15.0x */ | |
227 | 160, /* 1010 -> 16.0x */ | |
228 | 140, /* 1011 -> 14.0x */ | |
229 | -1, /* 1100 -> RESERVED (12.0x) */ | |
230 | 155, /* 1101 -> 15.5x */ | |
231 | -1, /* 1110 -> RESERVED (13.0x) */ | |
232 | 145, /* 1111 -> 14.5x */ | |
233 | }; | |
234 | ||
235 | /* | |
236 | * VIA C3 Nehemiah */ | |
32ee8c3e | 237 | |
21ce35dc | 238 | static const int __cpuinitconst nehemiah_mults[32] = { |
1da177e4 | 239 | 100, /* 0000 -> 10.0x */ |
ce243823 | 240 | -1, /* 0001 -> 16.0x */ |