diff options
Diffstat (limited to 'drivers/cpufreq/longhaul.h')
-rw-r--r-- | drivers/cpufreq/longhaul.h | 353 |
1 files changed, 353 insertions, 0 deletions
diff --git a/drivers/cpufreq/longhaul.h b/drivers/cpufreq/longhaul.h new file mode 100644 index 000000000000..cbf48fbca881 --- /dev/null +++ b/drivers/cpufreq/longhaul.h | |||
@@ -0,0 +1,353 @@ | |||
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. | ||
52 | * The eblcr values specify the ratio read from the CPU. | ||
53 | * The mults values specify what to write to the CPU. | ||
54 | */ | ||
55 | |||
56 | /* | ||
57 | * VIA C3 Samuel 1 & Samuel 2 (stepping 0) | ||
58 | */ | ||
59 | static const int __cpuinitdata samuel1_mults[16] = { | ||
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 | |||
78 | static const int __cpuinitdata samuel1_eblcr[16] = { | ||
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 | */ | ||
100 | static const int __cpuinitdata samuel2_eblcr[16] = { | ||
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 | */ | ||
122 | static const int __cpuinitdata ezra_mults[16] = { | ||
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 | |||
141 | static const int __cpuinitdata ezra_eblcr[16] = { | ||
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 | */ | ||
163 | static const int __cpuinitdata ezrat_mults[32] = { | ||
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 */ | ||
183 | -1, /* 0010 -> 12.0x */ | ||
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 | |||
199 | static const int __cpuinitdata ezrat_eblcr[32] = { | ||
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 */ | ||
237 | |||
238 | static const int __cpuinitdata nehemiah_mults[32] = { | ||
239 | 100, /* 0000 -> 10.0x */ | ||
240 | -1, /* 0001 -> 16.0x */ | ||
241 | 40, /* 0010 -> 4.0x */ | ||
242 | 90, /* 0011 -> 9.0x */ | ||
243 | 95, /* 0100 -> 9.5x */ | ||
244 | -1, /* 0101 -> RESERVED */ | ||
245 | 45, /* 0110 -> 4.5x */ | ||
246 | 55, /* 0111 -> 5.5x */ | ||
247 | 60, /* 1000 -> 6.0x */ | ||
248 | 70, /* 1001 -> 7.0x */ | ||
249 | 80, /* 1010 -> 8.0x */ | ||
250 | 50, /* 1011 -> 5.0x */ | ||
251 | 65, /* 1100 -> 6.5x */ | ||
252 | 75, /* 1101 -> 7.5x */ | ||
253 | 85, /* 1110 -> 8.5x */ | ||
254 | 120, /* 1111 -> 12.0x */ | ||
255 | -1, /* 0000 -> 10.0x */ | ||
256 | 110, /* 0001 -> 11.0x */ | ||
257 | -1, /* 0010 -> 12.0x */ | ||
258 | -1, /* 0011 -> 9.0x */ | ||
259 | 105, /* 0100 -> 10.5x */ | ||
260 | 115, /* 0101 -> 11.5x */ | ||
261 | 125, /* 0110 -> 12.5x */ | ||
262 | 135, /* 0111 -> 13.5x */ | ||
263 | 140, /* 1000 -> 14.0x */ | ||
264 | 150, /* 1001 -> 15.0x */ | ||
265 | 160, /* 1010 -> 16.0x */ | ||
266 | 130, /* 1011 -> 13.0x */ | ||
267 | 145, /* 1100 -> 14.5x */ | ||
268 | 155, /* 1101 -> 15.5x */ | ||
269 | -1, /* 1110 -> RESERVED (13.0x) */ | ||
270 | -1, /* 1111 -> 12.0x */ | ||
271 | }; | ||
272 | |||
273 | static const int __cpuinitdata nehemiah_eblcr[32] = { | ||
274 | 50, /* 0000 -> 5.0x */ | ||
275 | 160, /* 0001 -> 16.0x */ | ||
276 | 40, /* 0010 -> 4.0x */ | ||
277 | 100, /* 0011 -> 10.0x */ | ||
278 | 55, /* 0100 -> 5.5x */ | ||
279 | -1, /* 0101 -> RESERVED */ | ||
280 | 45, /* 0110 -> 4.5x */ | ||
281 | 95, /* 0111 -> 9.5x */ | ||
282 | 90, /* 1000 -> 9.0x */ | ||
283 | 70, /* 1001 -> 7.0x */ | ||
284 | 80, /* 1010 -> 8.0x */ | ||
285 | 60, /* 1011 -> 6.0x */ | ||
286 | 120, /* 1100 -> 12.0x */ | ||
287 | 75, /* 1101 -> 7.5x */ | ||
288 | 85, /* 1110 -> 8.5x */ | ||
289 | 65, /* 1111 -> 6.5x */ | ||
290 | 90, /* 0000 -> 9.0x */ | ||
291 | 110, /* 0001 -> 11.0x */ | ||
292 | 120, /* 0010 -> 12.0x */ | ||
293 | 100, /* 0011 -> 10.0x */ | ||
294 | 135, /* 0100 -> 13.5x */ | ||
295 | 115, /* 0101 -> 11.5x */ | ||
296 | 125, /* 0110 -> 12.5x */ | ||
297 | 105, /* 0111 -> 10.5x */ | ||
298 | 130, /* 1000 -> 13.0x */ | ||
299 | 150, /* 1001 -> 15.0x */ | ||
300 | 160, /* 1010 -> 16.0x */ | ||
301 | 140, /* 1011 -> 14.0x */ | ||
302 | 120, /* 1100 -> 12.0x */ | ||
303 | 155, /* 1101 -> 15.5x */ | ||
304 | -1, /* 1110 -> RESERVED (13.0x) */ | ||
305 | 145 /* 1111 -> 14.5x */ | ||
306 | }; | ||
307 | |||
308 | /* | ||
309 | * Voltage scales. Div/Mod by 1000 to get actual voltage. | ||
310 | * Which scale to use depends on the VRM type in use. | ||
311 | */ | ||
312 | |||
313 | struct mV_pos { | ||
314 | unsigned short mV; | ||
315 | unsigned short pos; | ||
316 | }; | ||
317 | |||
318 | static const struct mV_pos __cpuinitdata vrm85_mV[32] = { | ||
319 | {1250, 8}, {1200, 6}, {1150, 4}, {1100, 2}, | ||
320 | {1050, 0}, {1800, 30}, {1750, 28}, {1700, 26}, | ||
321 | {1650, 24}, {1600, 22}, {1550, 20}, {1500, 18}, | ||
322 | {1450, 16}, {1400, 14}, {1350, 12}, {1300, 10}, | ||
323 | {1275, 9}, {1225, 7}, {1175, 5}, {1125, 3}, | ||
324 | {1075, 1}, {1825, 31}, {1775, 29}, {1725, 27}, | ||
325 | {1675, 25}, {1625, 23}, {1575, 21}, {1525, 19}, | ||
326 | {1475, 17}, {1425, 15}, {1375, 13}, {1325, 11} | ||
327 | }; | ||
328 | |||
329 | static const unsigned char __cpuinitdata mV_vrm85[32] = { | ||
330 | 0x04, 0x14, 0x03, 0x13, 0x02, 0x12, 0x01, 0x11, | ||
331 | 0x00, 0x10, 0x0f, 0x1f, 0x0e, 0x1e, 0x0d, 0x1d, | ||
332 | 0x0c, 0x1c, 0x0b, 0x1b, 0x0a, 0x1a, 0x09, 0x19, | ||
333 | 0x08, 0x18, 0x07, 0x17, 0x06, 0x16, 0x05, 0x15 | ||
334 | }; | ||
335 | |||
336 | static const struct mV_pos __cpuinitdata mobilevrm_mV[32] = { | ||
337 | {1750, 31}, {1700, 30}, {1650, 29}, {1600, 28}, | ||
338 | {1550, 27}, {1500, 26}, {1450, 25}, {1400, 24}, | ||
339 | {1350, 23}, {1300, 22}, {1250, 21}, {1200, 20}, | ||
340 | {1150, 19}, {1100, 18}, {1050, 17}, {1000, 16}, | ||
341 | {975, 15}, {950, 14}, {925, 13}, {900, 12}, | ||
342 | {875, 11}, {850, 10}, {825, 9}, {800, 8}, | ||
343 | {775, 7}, {750, 6}, {725, 5}, {700, 4}, | ||
344 | {675, 3}, {650, 2}, {625, 1}, {600, 0} | ||
345 | }; | ||
346 | |||
347 | static const unsigned char __cpuinitdata mV_mobilevrm[32] = { | ||
348 | 0x1f, 0x1e, 0x1d, 0x1c, 0x1b, 0x1a, 0x19, 0x18, | ||
349 | 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, | ||
350 | 0x0f, 0x0e, 0x0d, 0x0c, 0x0b, 0x0a, 0x09, 0x08, | ||
351 | 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00 | ||
352 | }; | ||
353 | |||