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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
10union 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
21union 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.
Dave Jonesac617bd2009-01-17 23:29:53 -050052 * The eblcr values specify the ratio read from the CPU.
53 * The mults values specify what to write to the CPU.
Linus Torvalds1da177e2005-04-16 15:20:36 -070054 */
55
56/*
57 * VIA C3 Samuel 1 & Samuel 2 (stepping 0)
58 */
Holger Freyther25305732010-07-19 03:29:03 +080059static const int __cpuinitdata samuel1_mults[16] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070060 -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
Holger Freyther25305732010-07-19 03:29:03 +080078static const int __cpuinitdata samuel1_eblcr[16] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070079 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 */
Holger Freyther25305732010-07-19 03:29:03 +0800100static const int __cpuinitdata samuel2_eblcr[16] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101 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 */
Holger Freyther25305732010-07-19 03:29:03 +0800122static const int __cpuinitdata ezra_mults[16] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700123 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
Holger Freyther25305732010-07-19 03:29:03 +0800141static const int __cpuinitdata ezra_eblcr[16] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142 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 */
Holger Freyther25305732010-07-19 03:29:03 +0800163static const int __cpuinitdata ezrat_mults[32] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700164 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 */
Rafał Bilskice243822007-05-28 21:58:09 +0200183 -1, /* 0010 -> 12.0x */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700184 -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
Holger Freyther25305732010-07-19 03:29:03 +0800199static const int __cpuinitdata ezrat_eblcr[32] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700200 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 */
Dave Jones32ee8c32006-02-28 00:43:23 -0500237
Holger Freyther25305732010-07-19 03:29:03 +0800238static const int __cpuinitdata nehemiah_mults[32] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700239 100, /* 0000 -> 10.0x */
Rafał Bilskice243822007-05-28 21:58:09 +0200240 -1, /* 0001 -> 16.0x */
Rafa³ Bilski0d44b2b2007-01-31 23:50:49 +0100241 40, /* 0010 -> 4.0x */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700242 90, /* 0011 -> 9.0x */
243 95, /* 0100 -> 9.5x */
244 -1, /* 0101 -> RESERVED */
Rafa³ Bilski0d44b2b2007-01-31 23:50:49 +0100245 45, /* 0110 -> 4.5x */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700246 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 */
Rafał Bilskice243822007-05-28 21:58:09 +0200255 -1, /* 0000 -> 10.0x */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700256 110, /* 0001 -> 11.0x */
Rafał Bilskice243822007-05-28 21:58:09 +0200257 -1, /* 0010 -> 12.0x */
258 -1, /* 0011 -> 9.0x */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700259 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) */
Rafał Bilskice243822007-05-28 21:58:09 +0200270 -1, /* 1111 -> 12.0x */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700271};
272
Holger Freyther25305732010-07-19 03:29:03 +0800273static const int __cpuinitdata nehemiah_eblcr[32] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700274 50, /* 0000 -> 5.0x */
275 160, /* 0001 -> 16.0x */
Rafa³ Bilski0d44b2b2007-01-31 23:50:49 +0100276 40, /* 0010 -> 4.0x */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700277 100, /* 0011 -> 10.0x */
278 55, /* 0100 -> 5.5x */
279 -1, /* 0101 -> RESERVED */
Rafa³ Bilski0d44b2b2007-01-31 23:50:49 +0100280 45, /* 0110 -> 4.5x */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700281 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 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700306};
307
Dave Jones32ee8c32006-02-28 00:43:23 -0500308/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700309 * Voltage scales. Div/Mod by 1000 to get actual voltage.
310 * Which scale to use depends on the VRM type in use.
311 */
Rafa³ Bilskidb44aaf2006-08-16 01:07:33 +0200312
313struct mV_pos {
314 unsigned short mV;
315 unsigned short pos;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700316};
317
Holger Freyther25305732010-07-19 03:29:03 +0800318static const struct mV_pos __cpuinitdata vrm85_mV[32] = {
Rafa³ Bilskidb44aaf2006-08-16 01:07:33 +0200319 {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
Holger Freyther25305732010-07-19 03:29:03 +0800329static const unsigned char __cpuinitdata mV_vrm85[32] = {
Rafa³ Bilskidb44aaf2006-08-16 01:07:33 +0200330 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
Holger Freyther25305732010-07-19 03:29:03 +0800336static const struct mV_pos __cpuinitdata mobilevrm_mV[32] = {
Rafa³ Bilskidb44aaf2006-08-16 01:07:33 +0200337 {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
Holger Freyther25305732010-07-19 03:29:03 +0800347static const unsigned char __cpuinitdata mV_mobilevrm[32] = {
Rafa³ Bilskidb44aaf2006-08-16 01:07:33 +0200348 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
Linus Torvalds1da177e2005-04-16 15:20:36 -0700352};
353