Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/x86/cpufreq/est.c
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1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2004 Colin Percival 5 * Copyright (c) 2005 Nate Lawson 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted providing that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 26 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include <sys/cdefs.h> 31 __FBSDID("$FreeBSD: releng/12.0/sys/x86/cpufreq/est.c 332498 2018-04-14 03:15:05Z cem $"); 32 33 #include <sys/param.h> 34 #include <sys/bus.h> 35 #include <sys/cpu.h> 36 #include <sys/kernel.h> 37 #include <sys/malloc.h> 38 #include <sys/module.h> 39 #include <sys/smp.h> 40 #include <sys/systm.h> 41 42 #include "cpufreq_if.h" 43 #include <machine/clock.h> 44 #include <machine/cputypes.h> 45 #include <machine/md_var.h> 46 #include <machine/specialreg.h> 47 48 #include <contrib/dev/acpica/include/acpi.h> 49 50 #include <dev/acpica/acpivar.h> 51 #include "acpi_if.h" 52 53 /* Status/control registers (from the IA-32 System Programming Guide). */ 54 #define MSR_PERF_STATUS 0x198 55 #define MSR_PERF_CTL 0x199 56 57 /* Register and bit for enabling SpeedStep. */ 58 #define MSR_MISC_ENABLE 0x1a0 59 #define MSR_SS_ENABLE (1<<16) 60 61 /* Frequency and MSR control values. */ 62 typedef struct { 63 uint16_t freq; 64 uint16_t volts; 65 uint16_t id16; 66 int power; 67 } freq_info; 68 69 /* Identifying characteristics of a processor and supported frequencies. */ 70 typedef struct { 71 const u_int vendor_id; 72 uint32_t id32; 73 freq_info *freqtab; 74 size_t tablen; 75 } cpu_info; 76 77 struct est_softc { 78 device_t dev; 79 int acpi_settings; 80 int msr_settings; 81 freq_info *freq_list; 82 size_t flist_len; 83 }; 84 85 /* Convert MHz and mV into IDs for passing to the MSR. */ 86 #define ID16(MHz, mV, bus_clk) \ 87 (((MHz / bus_clk) << 8) | ((mV ? mV - 700 : 0) >> 4)) 88 #define ID32(MHz_hi, mV_hi, MHz_lo, mV_lo, bus_clk) \ 89 ((ID16(MHz_lo, mV_lo, bus_clk) << 16) | (ID16(MHz_hi, mV_hi, bus_clk))) 90 91 /* Format for storing IDs in our table. */ 92 #define FREQ_INFO_PWR(MHz, mV, bus_clk, mW) \ 93 { MHz, mV, ID16(MHz, mV, bus_clk), mW } 94 #define FREQ_INFO(MHz, mV, bus_clk) \ 95 FREQ_INFO_PWR(MHz, mV, bus_clk, CPUFREQ_VAL_UNKNOWN) 96 #define INTEL(tab, zhi, vhi, zlo, vlo, bus_clk) \ 97 { CPU_VENDOR_INTEL, ID32(zhi, vhi, zlo, vlo, bus_clk), tab, nitems(tab) } 98 #define CENTAUR(tab, zhi, vhi, zlo, vlo, bus_clk) \ 99 { CPU_VENDOR_CENTAUR, ID32(zhi, vhi, zlo, vlo, bus_clk), tab, nitems(tab) } 100 101 static int msr_info_enabled = 0; 102 TUNABLE_INT("hw.est.msr_info", &msr_info_enabled); 103 static int strict = -1; 104 TUNABLE_INT("hw.est.strict", &strict); 105 106 /* Default bus clock value for Centrino processors. */ 107 #define INTEL_BUS_CLK 100 108 109 /* XXX Update this if new CPUs have more settings. */ 110 #define EST_MAX_SETTINGS 10 111 CTASSERT(EST_MAX_SETTINGS <= MAX_SETTINGS); 112 113 /* Estimate in microseconds of latency for performing a transition. */ 114 #define EST_TRANS_LAT 1000 115 116 /* 117 * Frequency (MHz) and voltage (mV) settings. 118 * 119 * Dothan processors have multiple VID#s with different settings for 120 * each VID#. Since we can't uniquely identify this info 121 * without undisclosed methods from Intel, we can't support newer 122 * processors with this table method. If ACPI Px states are supported, 123 * we get info from them. 124 * 125 * Data from the "Intel Pentium M Processor Datasheet", 126 * Order Number 252612-003, Table 5. 127 */ 128 static freq_info PM17_130[] = { 129 /* 130nm 1.70GHz Pentium M */ 130 FREQ_INFO(1700, 1484, INTEL_BUS_CLK), 131 FREQ_INFO(1400, 1308, INTEL_BUS_CLK), 132 FREQ_INFO(1200, 1228, INTEL_BUS_CLK), 133 FREQ_INFO(1000, 1116, INTEL_BUS_CLK), 134 FREQ_INFO( 800, 1004, INTEL_BUS_CLK), 135 FREQ_INFO( 600, 956, INTEL_BUS_CLK), 136 }; 137 static freq_info PM16_130[] = { 138 /* 130nm 1.60GHz Pentium M */ 139 FREQ_INFO(1600, 1484, INTEL_BUS_CLK), 140 FREQ_INFO(1400, 1420, INTEL_BUS_CLK), 141 FREQ_INFO(1200, 1276, INTEL_BUS_CLK), 142 FREQ_INFO(1000, 1164, INTEL_BUS_CLK), 143 FREQ_INFO( 800, 1036, INTEL_BUS_CLK), 144 FREQ_INFO( 600, 956, INTEL_BUS_CLK), 145 }; 146 static freq_info PM15_130[] = { 147 /* 130nm 1.50GHz Pentium M */ 148 FREQ_INFO(1500, 1484, INTEL_BUS_CLK), 149 FREQ_INFO(1400, 1452, INTEL_BUS_CLK), 150 FREQ_INFO(1200, 1356, INTEL_BUS_CLK), 151 FREQ_INFO(1000, 1228, INTEL_BUS_CLK), 152 FREQ_INFO( 800, 1116, INTEL_BUS_CLK), 153 FREQ_INFO( 600, 956, INTEL_BUS_CLK), 154 }; 155 static freq_info PM14_130[] = { 156 /* 130nm 1.40GHz Pentium M */ 157 FREQ_INFO(1400, 1484, INTEL_BUS_CLK), 158 FREQ_INFO(1200, 1436, INTEL_BUS_CLK), 159 FREQ_INFO(1000, 1308, INTEL_BUS_CLK), 160 FREQ_INFO( 800, 1180, INTEL_BUS_CLK), 161 FREQ_INFO( 600, 956, INTEL_BUS_CLK), 162 }; 163 static freq_info PM13_130[] = { 164 /* 130nm 1.30GHz Pentium M */ 165 FREQ_INFO(1300, 1388, INTEL_BUS_CLK), 166 FREQ_INFO(1200, 1356, INTEL_BUS_CLK), 167 FREQ_INFO(1000, 1292, INTEL_BUS_CLK), 168 FREQ_INFO( 800, 1260, INTEL_BUS_CLK), 169 FREQ_INFO( 600, 956, INTEL_BUS_CLK), 170 }; 171 static freq_info PM13_LV_130[] = { 172 /* 130nm 1.30GHz Low Voltage Pentium M */ 173 FREQ_INFO(1300, 1180, INTEL_BUS_CLK), 174 FREQ_INFO(1200, 1164, INTEL_BUS_CLK), 175 FREQ_INFO(1100, 1100, INTEL_BUS_CLK), 176 FREQ_INFO(1000, 1020, INTEL_BUS_CLK), 177 FREQ_INFO( 900, 1004, INTEL_BUS_CLK), 178 FREQ_INFO( 800, 988, INTEL_BUS_CLK), 179 FREQ_INFO( 600, 956, INTEL_BUS_CLK), 180 }; 181 static freq_info PM12_LV_130[] = { 182 /* 130 nm 1.20GHz Low Voltage Pentium M */ 183 FREQ_INFO(1200, 1180, INTEL_BUS_CLK), 184 FREQ_INFO(1100, 1164, INTEL_BUS_CLK), 185 FREQ_INFO(1000, 1100, INTEL_BUS_CLK), 186 FREQ_INFO( 900, 1020, INTEL_BUS_CLK), 187 FREQ_INFO( 800, 1004, INTEL_BUS_CLK), 188 FREQ_INFO( 600, 956, INTEL_BUS_CLK), 189 }; 190 static freq_info PM11_LV_130[] = { 191 /* 130 nm 1.10GHz Low Voltage Pentium M */ 192 FREQ_INFO(1100, 1180, INTEL_BUS_CLK), 193 FREQ_INFO(1000, 1164, INTEL_BUS_CLK), 194 FREQ_INFO( 900, 1100, INTEL_BUS_CLK), 195 FREQ_INFO( 800, 1020, INTEL_BUS_CLK), 196 FREQ_INFO( 600, 956, INTEL_BUS_CLK), 197 }; 198 static freq_info PM11_ULV_130[] = { 199 /* 130 nm 1.10GHz Ultra Low Voltage Pentium M */ 200 FREQ_INFO(1100, 1004, INTEL_BUS_CLK), 201 FREQ_INFO(1000, 988, INTEL_BUS_CLK), 202 FREQ_INFO( 900, 972, INTEL_BUS_CLK), 203 FREQ_INFO( 800, 956, INTEL_BUS_CLK), 204 FREQ_INFO( 600, 844, INTEL_BUS_CLK), 205 }; 206 static freq_info PM10_ULV_130[] = { 207 /* 130 nm 1.00GHz Ultra Low Voltage Pentium M */ 208 FREQ_INFO(1000, 1004, INTEL_BUS_CLK), 209 FREQ_INFO( 900, 988, INTEL_BUS_CLK), 210 FREQ_INFO( 800, 972, INTEL_BUS_CLK), 211 FREQ_INFO( 600, 844, INTEL_BUS_CLK), 212 }; 213 214 /* 215 * Data from "Intel Pentium M Processor on 90nm Process with 216 * 2-MB L2 Cache Datasheet", Order Number 302189-008, Table 5. 217 */ 218 static freq_info PM_765A_90[] = { 219 /* 90 nm 2.10GHz Pentium M, VID #A */ 220 FREQ_INFO(2100, 1340, INTEL_BUS_CLK), 221 FREQ_INFO(1800, 1276, INTEL_BUS_CLK), 222 FREQ_INFO(1600, 1228, INTEL_BUS_CLK), 223 FREQ_INFO(1400, 1180, INTEL_BUS_CLK), 224 FREQ_INFO(1200, 1132, INTEL_BUS_CLK), 225 FREQ_INFO(1000, 1084, INTEL_BUS_CLK), 226 FREQ_INFO( 800, 1036, INTEL_BUS_CLK), 227 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 228 }; 229 static freq_info PM_765B_90[] = { 230 /* 90 nm 2.10GHz Pentium M, VID #B */ 231 FREQ_INFO(2100, 1324, INTEL_BUS_CLK), 232 FREQ_INFO(1800, 1260, INTEL_BUS_CLK), 233 FREQ_INFO(1600, 1212, INTEL_BUS_CLK), 234 FREQ_INFO(1400, 1180, INTEL_BUS_CLK), 235 FREQ_INFO(1200, 1132, INTEL_BUS_CLK), 236 FREQ_INFO(1000, 1084, INTEL_BUS_CLK), 237 FREQ_INFO( 800, 1036, INTEL_BUS_CLK), 238 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 239 }; 240 static freq_info PM_765C_90[] = { 241 /* 90 nm 2.10GHz Pentium M, VID #C */ 242 FREQ_INFO(2100, 1308, INTEL_BUS_CLK), 243 FREQ_INFO(1800, 1244, INTEL_BUS_CLK), 244 FREQ_INFO(1600, 1212, INTEL_BUS_CLK), 245 FREQ_INFO(1400, 1164, INTEL_BUS_CLK), 246 FREQ_INFO(1200, 1116, INTEL_BUS_CLK), 247 FREQ_INFO(1000, 1084, INTEL_BUS_CLK), 248 FREQ_INFO( 800, 1036, INTEL_BUS_CLK), 249 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 250 }; 251 static freq_info PM_765E_90[] = { 252 /* 90 nm 2.10GHz Pentium M, VID #E */ 253 FREQ_INFO(2100, 1356, INTEL_BUS_CLK), 254 FREQ_INFO(1800, 1292, INTEL_BUS_CLK), 255 FREQ_INFO(1600, 1244, INTEL_BUS_CLK), 256 FREQ_INFO(1400, 1196, INTEL_BUS_CLK), 257 FREQ_INFO(1200, 1148, INTEL_BUS_CLK), 258 FREQ_INFO(1000, 1100, INTEL_BUS_CLK), 259 FREQ_INFO( 800, 1052, INTEL_BUS_CLK), 260 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 261 }; 262 static freq_info PM_755A_90[] = { 263 /* 90 nm 2.00GHz Pentium M, VID #A */ 264 FREQ_INFO(2000, 1340, INTEL_BUS_CLK), 265 FREQ_INFO(1800, 1292, INTEL_BUS_CLK), 266 FREQ_INFO(1600, 1244, INTEL_BUS_CLK), 267 FREQ_INFO(1400, 1196, INTEL_BUS_CLK), 268 FREQ_INFO(1200, 1148, INTEL_BUS_CLK), 269 FREQ_INFO(1000, 1100, INTEL_BUS_CLK), 270 FREQ_INFO( 800, 1052, INTEL_BUS_CLK), 271 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 272 }; 273 static freq_info PM_755B_90[] = { 274 /* 90 nm 2.00GHz Pentium M, VID #B */ 275 FREQ_INFO(2000, 1324, INTEL_BUS_CLK), 276 FREQ_INFO(1800, 1276, INTEL_BUS_CLK), 277 FREQ_INFO(1600, 1228, INTEL_BUS_CLK), 278 FREQ_INFO(1400, 1180, INTEL_BUS_CLK), 279 FREQ_INFO(1200, 1132, INTEL_BUS_CLK), 280 FREQ_INFO(1000, 1084, INTEL_BUS_CLK), 281 FREQ_INFO( 800, 1036, INTEL_BUS_CLK), 282 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 283 }; 284 static freq_info PM_755C_90[] = { 285 /* 90 nm 2.00GHz Pentium M, VID #C */ 286 FREQ_INFO(2000, 1308, INTEL_BUS_CLK), 287 FREQ_INFO(1800, 1276, INTEL_BUS_CLK), 288 FREQ_INFO(1600, 1228, INTEL_BUS_CLK), 289 FREQ_INFO(1400, 1180, INTEL_BUS_CLK), 290 FREQ_INFO(1200, 1132, INTEL_BUS_CLK), 291 FREQ_INFO(1000, 1084, INTEL_BUS_CLK), 292 FREQ_INFO( 800, 1036, INTEL_BUS_CLK), 293 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 294 }; 295 static freq_info PM_755D_90[] = { 296 /* 90 nm 2.00GHz Pentium M, VID #D */ 297 FREQ_INFO(2000, 1276, INTEL_BUS_CLK), 298 FREQ_INFO(1800, 1244, INTEL_BUS_CLK), 299 FREQ_INFO(1600, 1196, INTEL_BUS_CLK), 300 FREQ_INFO(1400, 1164, INTEL_BUS_CLK), 301 FREQ_INFO(1200, 1116, INTEL_BUS_CLK), 302 FREQ_INFO(1000, 1084, INTEL_BUS_CLK), 303 FREQ_INFO( 800, 1036, INTEL_BUS_CLK), 304 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 305 }; 306 static freq_info PM_745A_90[] = { 307 /* 90 nm 1.80GHz Pentium M, VID #A */ 308 FREQ_INFO(1800, 1340, INTEL_BUS_CLK), 309 FREQ_INFO(1600, 1292, INTEL_BUS_CLK), 310 FREQ_INFO(1400, 1228, INTEL_BUS_CLK), 311 FREQ_INFO(1200, 1164, INTEL_BUS_CLK), 312 FREQ_INFO(1000, 1116, INTEL_BUS_CLK), 313 FREQ_INFO( 800, 1052, INTEL_BUS_CLK), 314 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 315 }; 316 static freq_info PM_745B_90[] = { 317 /* 90 nm 1.80GHz Pentium M, VID #B */ 318 FREQ_INFO(1800, 1324, INTEL_BUS_CLK), 319 FREQ_INFO(1600, 1276, INTEL_BUS_CLK), 320 FREQ_INFO(1400, 1212, INTEL_BUS_CLK), 321 FREQ_INFO(1200, 1164, INTEL_BUS_CLK), 322 FREQ_INFO(1000, 1116, INTEL_BUS_CLK), 323 FREQ_INFO( 800, 1052, INTEL_BUS_CLK), 324 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 325 }; 326 static freq_info PM_745C_90[] = { 327 /* 90 nm 1.80GHz Pentium M, VID #C */ 328 FREQ_INFO(1800, 1308, INTEL_BUS_CLK), 329 FREQ_INFO(1600, 1260, INTEL_BUS_CLK), 330 FREQ_INFO(1400, 1212, INTEL_BUS_CLK), 331 FREQ_INFO(1200, 1148, INTEL_BUS_CLK), 332 FREQ_INFO(1000, 1100, INTEL_BUS_CLK), 333 FREQ_INFO( 800, 1052, INTEL_BUS_CLK), 334 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 335 }; 336 static freq_info PM_745D_90[] = { 337 /* 90 nm 1.80GHz Pentium M, VID #D */ 338 FREQ_INFO(1800, 1276, INTEL_BUS_CLK), 339 FREQ_INFO(1600, 1228, INTEL_BUS_CLK), 340 FREQ_INFO(1400, 1180, INTEL_BUS_CLK), 341 FREQ_INFO(1200, 1132, INTEL_BUS_CLK), 342 FREQ_INFO(1000, 1084, INTEL_BUS_CLK), 343 FREQ_INFO( 800, 1036, INTEL_BUS_CLK), 344 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 345 }; 346 static freq_info PM_735A_90[] = { 347 /* 90 nm 1.70GHz Pentium M, VID #A */ 348 FREQ_INFO(1700, 1340, INTEL_BUS_CLK), 349 FREQ_INFO(1400, 1244, INTEL_BUS_CLK), 350 FREQ_INFO(1200, 1180, INTEL_BUS_CLK), 351 FREQ_INFO(1000, 1116, INTEL_BUS_CLK), 352 FREQ_INFO( 800, 1052, INTEL_BUS_CLK), 353 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 354 }; 355 static freq_info PM_735B_90[] = { 356 /* 90 nm 1.70GHz Pentium M, VID #B */ 357 FREQ_INFO(1700, 1324, INTEL_BUS_CLK), 358 FREQ_INFO(1400, 1244, INTEL_BUS_CLK), 359 FREQ_INFO(1200, 1180, INTEL_BUS_CLK), 360 FREQ_INFO(1000, 1116, INTEL_BUS_CLK), 361 FREQ_INFO( 800, 1052, INTEL_BUS_CLK), 362 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 363 }; 364 static freq_info PM_735C_90[] = { 365 /* 90 nm 1.70GHz Pentium M, VID #C */ 366 FREQ_INFO(1700, 1308, INTEL_BUS_CLK), 367 FREQ_INFO(1400, 1228, INTEL_BUS_CLK), 368 FREQ_INFO(1200, 1164, INTEL_BUS_CLK), 369 FREQ_INFO(1000, 1116, INTEL_BUS_CLK), 370 FREQ_INFO( 800, 1052, INTEL_BUS_CLK), 371 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 372 }; 373 static freq_info PM_735D_90[] = { 374 /* 90 nm 1.70GHz Pentium M, VID #D */ 375 FREQ_INFO(1700, 1276, INTEL_BUS_CLK), 376 FREQ_INFO(1400, 1212, INTEL_BUS_CLK), 377 FREQ_INFO(1200, 1148, INTEL_BUS_CLK), 378 FREQ_INFO(1000, 1100, INTEL_BUS_CLK), 379 FREQ_INFO( 800, 1052, INTEL_BUS_CLK), 380 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 381 }; 382 static freq_info PM_725A_90[] = { 383 /* 90 nm 1.60GHz Pentium M, VID #A */ 384 FREQ_INFO(1600, 1340, INTEL_BUS_CLK), 385 FREQ_INFO(1400, 1276, INTEL_BUS_CLK), 386 FREQ_INFO(1200, 1212, INTEL_BUS_CLK), 387 FREQ_INFO(1000, 1132, INTEL_BUS_CLK), 388 FREQ_INFO( 800, 1068, INTEL_BUS_CLK), 389 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 390 }; 391 static freq_info PM_725B_90[] = { 392 /* 90 nm 1.60GHz Pentium M, VID #B */ 393 FREQ_INFO(1600, 1324, INTEL_BUS_CLK), 394 FREQ_INFO(1400, 1260, INTEL_BUS_CLK), 395 FREQ_INFO(1200, 1196, INTEL_BUS_CLK), 396 FREQ_INFO(1000, 1132, INTEL_BUS_CLK), 397 FREQ_INFO( 800, 1068, INTEL_BUS_CLK), 398 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 399 }; 400 static freq_info PM_725C_90[] = { 401 /* 90 nm 1.60GHz Pentium M, VID #C */ 402 FREQ_INFO(1600, 1308, INTEL_BUS_CLK), 403 FREQ_INFO(1400, 1244, INTEL_BUS_CLK), 404 FREQ_INFO(1200, 1180, INTEL_BUS_CLK), 405 FREQ_INFO(1000, 1116, INTEL_BUS_CLK), 406 FREQ_INFO( 800, 1052, INTEL_BUS_CLK), 407 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 408 }; 409 static freq_info PM_725D_90[] = { 410 /* 90 nm 1.60GHz Pentium M, VID #D */ 411 FREQ_INFO(1600, 1276, INTEL_BUS_CLK), 412 FREQ_INFO(1400, 1228, INTEL_BUS_CLK), 413 FREQ_INFO(1200, 1164, INTEL_BUS_CLK), 414 FREQ_INFO(1000, 1116, INTEL_BUS_CLK), 415 FREQ_INFO( 800, 1052, INTEL_BUS_CLK), 416 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 417 }; 418 static freq_info PM_715A_90[] = { 419 /* 90 nm 1.50GHz Pentium M, VID #A */ 420 FREQ_INFO(1500, 1340, INTEL_BUS_CLK), 421 FREQ_INFO(1200, 1228, INTEL_BUS_CLK), 422 FREQ_INFO(1000, 1148, INTEL_BUS_CLK), 423 FREQ_INFO( 800, 1068, INTEL_BUS_CLK), 424 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 425 }; 426 static freq_info PM_715B_90[] = { 427 /* 90 nm 1.50GHz Pentium M, VID #B */ 428 FREQ_INFO(1500, 1324, INTEL_BUS_CLK), 429 FREQ_INFO(1200, 1212, INTEL_BUS_CLK), 430 FREQ_INFO(1000, 1148, INTEL_BUS_CLK), 431 FREQ_INFO( 800, 1068, INTEL_BUS_CLK), 432 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 433 }; 434 static freq_info PM_715C_90[] = { 435 /* 90 nm 1.50GHz Pentium M, VID #C */ 436 FREQ_INFO(1500, 1308, INTEL_BUS_CLK), 437 FREQ_INFO(1200, 1212, INTEL_BUS_CLK), 438 FREQ_INFO(1000, 1132, INTEL_BUS_CLK), 439 FREQ_INFO( 800, 1068, INTEL_BUS_CLK), 440 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 441 }; 442 static freq_info PM_715D_90[] = { 443 /* 90 nm 1.50GHz Pentium M, VID #D */ 444 FREQ_INFO(1500, 1276, INTEL_BUS_CLK), 445 FREQ_INFO(1200, 1180, INTEL_BUS_CLK), 446 FREQ_INFO(1000, 1116, INTEL_BUS_CLK), 447 FREQ_INFO( 800, 1052, INTEL_BUS_CLK), 448 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 449 }; 450 static freq_info PM_778_90[] = { 451 /* 90 nm 1.60GHz Low Voltage Pentium M */ 452 FREQ_INFO(1600, 1116, INTEL_BUS_CLK), 453 FREQ_INFO(1500, 1116, INTEL_BUS_CLK), 454 FREQ_INFO(1400, 1100, INTEL_BUS_CLK), 455 FREQ_INFO(1300, 1084, INTEL_BUS_CLK), 456 FREQ_INFO(1200, 1068, INTEL_BUS_CLK), 457 FREQ_INFO(1100, 1052, INTEL_BUS_CLK), 458 FREQ_INFO(1000, 1052, INTEL_BUS_CLK), 459 FREQ_INFO( 900, 1036, INTEL_BUS_CLK), 460 FREQ_INFO( 800, 1020, INTEL_BUS_CLK), 461 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 462 }; 463 static freq_info PM_758_90[] = { 464 /* 90 nm 1.50GHz Low Voltage Pentium M */ 465 FREQ_INFO(1500, 1116, INTEL_BUS_CLK), 466 FREQ_INFO(1400, 1116, INTEL_BUS_CLK), 467 FREQ_INFO(1300, 1100, INTEL_BUS_CLK), 468 FREQ_INFO(1200, 1084, INTEL_BUS_CLK), 469 FREQ_INFO(1100, 1068, INTEL_BUS_CLK), 470 FREQ_INFO(1000, 1052, INTEL_BUS_CLK), 471 FREQ_INFO( 900, 1036, INTEL_BUS_CLK), 472 FREQ_INFO( 800, 1020, INTEL_BUS_CLK), 473 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 474 }; 475 static freq_info PM_738_90[] = { 476 /* 90 nm 1.40GHz Low Voltage Pentium M */ 477 FREQ_INFO(1400, 1116, INTEL_BUS_CLK), 478 FREQ_INFO(1300, 1116, INTEL_BUS_CLK), 479 FREQ_INFO(1200, 1100, INTEL_BUS_CLK), 480 FREQ_INFO(1100, 1068, INTEL_BUS_CLK), 481 FREQ_INFO(1000, 1052, INTEL_BUS_CLK), 482 FREQ_INFO( 900, 1036, INTEL_BUS_CLK), 483 FREQ_INFO( 800, 1020, INTEL_BUS_CLK), 484 FREQ_INFO( 600, 988, INTEL_BUS_CLK), 485 }; 486 static freq_info PM_773G_90[] = { 487 /* 90 nm 1.30GHz Ultra Low Voltage Pentium M, VID #G */ 488 FREQ_INFO(1300, 956, INTEL_BUS_CLK), 489 FREQ_INFO(1200, 940, INTEL_BUS_CLK), 490 FREQ_INFO(1100, 924, INTEL_BUS_CLK), 491 FREQ_INFO(1000, 908, INTEL_BUS_CLK), 492 FREQ_INFO( 900, 876, INTEL_BUS_CLK), 493 FREQ_INFO( 800, 860, INTEL_BUS_CLK), 494 FREQ_INFO( 600, 812, INTEL_BUS_CLK), 495 }; 496 static freq_info PM_773H_90[] = { 497 /* 90 nm 1.30GHz Ultra Low Voltage Pentium M, VID #H */ 498 FREQ_INFO(1300, 940, INTEL_BUS_CLK), 499 FREQ_INFO(1200, 924, INTEL_BUS_CLK), 500 FREQ_INFO(1100, 908, INTEL_BUS_CLK), 501 FREQ_INFO(1000, 892, INTEL_BUS_CLK), 502 FREQ_INFO( 900, 876, INTEL_BUS_CLK), 503 FREQ_INFO( 800, 860, INTEL_BUS_CLK), 504 FREQ_INFO( 600, 812, INTEL_BUS_CLK), 505 }; 506 static freq_info PM_773I_90[] = { 507 /* 90 nm 1.30GHz Ultra Low Voltage Pentium M, VID #I */ 508 FREQ_INFO(1300, 924, INTEL_BUS_CLK), 509 FREQ_INFO(1200, 908, INTEL_BUS_CLK), 510 FREQ_INFO(1100, 892, INTEL_BUS_CLK), 511 FREQ_INFO(1000, 876, INTEL_BUS_CLK), 512 FREQ_INFO( 900, 860, INTEL_BUS_CLK), 513 FREQ_INFO( 800, 844, INTEL_BUS_CLK), 514 FREQ_INFO( 600, 812, INTEL_BUS_CLK), 515 }; 516 static freq_info PM_773J_90[] = { 517 /* 90 nm 1.30GHz Ultra Low Voltage Pentium M, VID #J */ 518 FREQ_INFO(1300, 908, INTEL_BUS_CLK), 519 FREQ_INFO(1200, 908, INTEL_BUS_CLK), 520 FREQ_INFO(1100, 892, INTEL_BUS_CLK), 521 FREQ_INFO(1000, 876, INTEL_BUS_CLK), 522 FREQ_INFO( 900, 860, INTEL_BUS_CLK), 523 FREQ_INFO( 800, 844, INTEL_BUS_CLK), 524 FREQ_INFO( 600, 812, INTEL_BUS_CLK), 525 }; 526 static freq_info PM_773K_90[] = { 527 /* 90 nm 1.30GHz Ultra Low Voltage Pentium M, VID #K */ 528 FREQ_INFO(1300, 892, INTEL_BUS_CLK), 529 FREQ_INFO(1200, 892, INTEL_BUS_CLK), 530 FREQ_INFO(1100, 876, INTEL_BUS_CLK), 531 FREQ_INFO(1000, 860, INTEL_BUS_CLK), 532 FREQ_INFO( 900, 860, INTEL_BUS_CLK), 533 FREQ_INFO( 800, 844, INTEL_BUS_CLK), 534 FREQ_INFO( 600, 812, INTEL_BUS_CLK), 535 }; 536 static freq_info PM_773L_90[] = { 537 /* 90 nm 1.30GHz Ultra Low Voltage Pentium M, VID #L */ 538 FREQ_INFO(1300, 876, INTEL_BUS_CLK), 539 FREQ_INFO(1200, 876, INTEL_BUS_CLK), 540 FREQ_INFO(1100, 860, INTEL_BUS_CLK), 541 FREQ_INFO(1000, 860, INTEL_BUS_CLK), 542 FREQ_INFO( 900, 844, INTEL_BUS_CLK), 543 FREQ_INFO( 800, 844, INTEL_BUS_CLK), 544 FREQ_INFO( 600, 812, INTEL_BUS_CLK), 545 }; 546 static freq_info PM_753G_90[] = { 547 /* 90 nm 1.20GHz Ultra Low Voltage Pentium M, VID #G */ 548 FREQ_INFO(1200, 956, INTEL_BUS_CLK), 549 FREQ_INFO(1100, 940, INTEL_BUS_CLK), 550 FREQ_INFO(1000, 908, INTEL_BUS_CLK), 551 FREQ_INFO( 900, 892, INTEL_BUS_CLK), 552 FREQ_INFO( 800, 860, INTEL_BUS_CLK), 553 FREQ_INFO( 600, 812, INTEL_BUS_CLK), 554 }; 555 static freq_info PM_753H_90[] = { 556 /* 90 nm 1.20GHz Ultra Low Voltage Pentium M, VID #H */ 557 FREQ_INFO(1200, 940, INTEL_BUS_CLK), 558 FREQ_INFO(1100, 924, INTEL_BUS_CLK), 559 FREQ_INFO(1000, 908, INTEL_BUS_CLK), 560 FREQ_INFO( 900, 876, INTEL_BUS_CLK), 561 FREQ_INFO( 800, 860, INTEL_BUS_CLK), 562 FREQ_INFO( 600, 812, INTEL_BUS_CLK), 563 }; 564 static freq_info PM_753I_90[] = { 565 /* 90 nm 1.20GHz Ultra Low Voltage Pentium M, VID #I */ 566 FREQ_INFO(1200, 924, INTEL_BUS_CLK), 567 FREQ_INFO(1100, 908, INTEL_BUS_CLK), 568 FREQ_INFO(1000, 892, INTEL_BUS_CLK), 569 FREQ_INFO( 900, 876, INTEL_BUS_CLK), 570 FREQ_INFO( 800, 860, INTEL_BUS_CLK), 571 FREQ_INFO( 600, 812, INTEL_BUS_CLK), 572 }; 573 static freq_info PM_753J_90[] = { 574 /* 90 nm 1.20GHz Ultra Low Voltage Pentium M, VID #J */ 575 FREQ_INFO(1200, 908, INTEL_BUS_CLK), 576 FREQ_INFO(1100, 892, INTEL_BUS_CLK), 577 FREQ_INFO(1000, 876, INTEL_BUS_CLK), 578 FREQ_INFO( 900, 860, INTEL_BUS_CLK), 579 FREQ_INFO( 800, 844, INTEL_BUS_CLK), 580 FREQ_INFO( 600, 812, INTEL_BUS_CLK), 581 }; 582 static freq_info PM_753K_90[] = { 583 /* 90 nm 1.20GHz Ultra Low Voltage Pentium M, VID #K */ 584 FREQ_INFO(1200, 892, INTEL_BUS_CLK), 585 FREQ_INFO(1100, 892, INTEL_BUS_CLK), 586 FREQ_INFO(1000, 876, INTEL_BUS_CLK), 587 FREQ_INFO( 900, 860, INTEL_BUS_CLK), 588 FREQ_INFO( 800, 844, INTEL_BUS_CLK), 589 FREQ_INFO( 600, 812, INTEL_BUS_CLK), 590 }; 591 static freq_info PM_753L_90[] = { 592 /* 90 nm 1.20GHz Ultra Low Voltage Pentium M, VID #L */ 593 FREQ_INFO(1200, 876, INTEL_BUS_CLK), 594 FREQ_INFO(1100, 876, INTEL_BUS_CLK), 595 FREQ_INFO(1000, 860, INTEL_BUS_CLK), 596 FREQ_INFO( 900, 844, INTEL_BUS_CLK), 597 FREQ_INFO( 800, 844, INTEL_BUS_CLK), 598 FREQ_INFO( 600, 812, INTEL_BUS_CLK), 599 }; 600 601 static freq_info PM_733JG_90[] = { 602 /* 90 nm 1.10GHz Ultra Low Voltage Pentium M, VID #G */ 603 FREQ_INFO(1100, 956, INTEL_BUS_CLK), 604 FREQ_INFO(1000, 940, INTEL_BUS_CLK), 605 FREQ_INFO( 900, 908, INTEL_BUS_CLK), 606 FREQ_INFO( 800, 876, INTEL_BUS_CLK), 607 FREQ_INFO( 600, 812, INTEL_BUS_CLK), 608 }; 609 static freq_info PM_733JH_90[] = { 610 /* 90 nm 1.10GHz Ultra Low Voltage Pentium M, VID #H */ 611 FREQ_INFO(1100, 940, INTEL_BUS_CLK), 612 FREQ_INFO(1000, 924, INTEL_BUS_CLK), 613 FREQ_INFO( 900, 892, INTEL_BUS_CLK), 614 FREQ_INFO( 800, 876, INTEL_BUS_CLK), 615 FREQ_INFO( 600, 812, INTEL_BUS_CLK), 616 }; 617 static freq_info PM_733JI_90[] = { 618 /* 90 nm 1.10GHz Ultra Low Voltage Pentium M, VID #I */ 619 FREQ_INFO(1100, 924, INTEL_BUS_CLK), 620 FREQ_INFO(1000, 908, INTEL_BUS_CLK), 621 FREQ_INFO( 900, 892, INTEL_BUS_CLK), 622 FREQ_INFO( 800, 860, INTEL_BUS_CLK), 623 FREQ_INFO( 600, 812, INTEL_BUS_CLK), 624 }; 625 static freq_info PM_733JJ_90[] = { 626 /* 90 nm 1.10GHz Ultra Low Voltage Pentium M, VID #J */ 627 FREQ_INFO(1100, 908, INTEL_BUS_CLK), 628 FREQ_INFO(1000, 892, INTEL_BUS_CLK), 629 FREQ_INFO( 900, 876, INTEL_BUS_CLK), 630 FREQ_INFO( 800, 860, INTEL_BUS_CLK), 631 FREQ_INFO( 600, 812, INTEL_BUS_CLK), 632 }; 633 static freq_info PM_733JK_90[] = { 634 /* 90 nm 1.10GHz Ultra Low Voltage Pentium M, VID #K */ 635 FREQ_INFO(1100, 892, INTEL_BUS_CLK), 636 FREQ_INFO(1000, 876, INTEL_BUS_CLK), 637 FREQ_INFO( 900, 860, INTEL_BUS_CLK), 638 FREQ_INFO( 800, 844, INTEL_BUS_CLK), 639 FREQ_INFO( 600, 812, INTEL_BUS_CLK), 640 }; 641 static freq_info PM_733JL_90[] = { 642 /* 90 nm 1.10GHz Ultra Low Voltage Pentium M, VID #L */ 643 FREQ_INFO(1100, 876, INTEL_BUS_CLK), 644 FREQ_INFO(1000, 876, INTEL_BUS_CLK), 645 FREQ_INFO( 900, 860, INTEL_BUS_CLK), 646 FREQ_INFO( 800, 844, INTEL_BUS_CLK), 647 FREQ_INFO( 600, 812, INTEL_BUS_CLK), 648 }; 649 static freq_info PM_733_90[] = { 650 /* 90 nm 1.10GHz Ultra Low Voltage Pentium M */ 651 FREQ_INFO(1100, 940, INTEL_BUS_CLK), 652 FREQ_INFO(1000, 924, INTEL_BUS_CLK), 653 FREQ_INFO( 900, 892, INTEL_BUS_CLK), 654 FREQ_INFO( 800, 876, INTEL_BUS_CLK), 655 FREQ_INFO( 600, 812, INTEL_BUS_CLK), 656 }; 657 static freq_info PM_723_90[] = { 658 /* 90 nm 1.00GHz Ultra Low Voltage Pentium M */ 659 FREQ_INFO(1000, 940, INTEL_BUS_CLK), 660 FREQ_INFO( 900, 908, INTEL_BUS_CLK), 661 FREQ_INFO( 800, 876, INTEL_BUS_CLK), 662 FREQ_INFO( 600, 812, INTEL_BUS_CLK), 663 }; 664 665 /* 666 * VIA C7-M 500 MHz FSB, 400 MHz FSB, and ULV variants. 667 * Data from the "VIA C7-M Processor BIOS Writer's Guide (v2.17)" datasheet. 668 */ 669 static freq_info C7M_795[] = { 670 /* 2.00GHz Centaur C7-M 533 Mhz FSB */ 671 FREQ_INFO_PWR(2000, 1148, 133, 20000), 672 FREQ_INFO_PWR(1867, 1132, 133, 18000), 673 FREQ_INFO_PWR(1600, 1100, 133, 15000), 674 FREQ_INFO_PWR(1467, 1052, 133, 13000), 675 FREQ_INFO_PWR(1200, 1004, 133, 10000), 676 FREQ_INFO_PWR( 800, 844, 133, 7000), 677 FREQ_INFO_PWR( 667, 844, 133, 6000), 678 FREQ_INFO_PWR( 533, 844, 133, 5000), 679 }; 680 static freq_info C7M_785[] = { 681 /* 1.80GHz Centaur C7-M 533 Mhz FSB */ 682 FREQ_INFO_PWR(1867, 1148, 133, 18000), 683 FREQ_INFO_PWR(1600, 1100, 133, 15000), 684 FREQ_INFO_PWR(1467, 1052, 133, 13000), 685 FREQ_INFO_PWR(1200, 1004, 133, 10000), 686 FREQ_INFO_PWR( 800, 844, 133, 7000), 687 FREQ_INFO_PWR( 667, 844, 133, 6000), 688 FREQ_INFO_PWR( 533, 844, 133, 5000), 689 }; 690 static freq_info C7M_765[] = { 691 /* 1.60GHz Centaur C7-M 533 Mhz FSB */ 692 FREQ_INFO_PWR(1600, 1084, 133, 15000), 693 FREQ_INFO_PWR(1467, 1052, 133, 13000), 694 FREQ_INFO_PWR(1200, 1004, 133, 10000), 695 FREQ_INFO_PWR( 800, 844, 133, 7000), 696 FREQ_INFO_PWR( 667, 844, 133, 6000), 697 FREQ_INFO_PWR( 533, 844, 133, 5000), 698 }; 699 700 static freq_info C7M_794[] = { 701 /* 2.00GHz Centaur C7-M 400 Mhz FSB */ 702 FREQ_INFO_PWR(2000, 1148, 100, 20000), 703 FREQ_INFO_PWR(1800, 1132, 100, 18000), 704 FREQ_INFO_PWR(1600, 1100, 100, 15000), 705 FREQ_INFO_PWR(1400, 1052, 100, 13000), 706 FREQ_INFO_PWR(1000, 1004, 100, 10000), 707 FREQ_INFO_PWR( 800, 844, 100, 7000), 708 FREQ_INFO_PWR( 600, 844, 100, 6000), 709 FREQ_INFO_PWR( 400, 844, 100, 5000), 710 }; 711 static freq_info C7M_784[] = { 712 /* 1.80GHz Centaur C7-M 400 Mhz FSB */ 713 FREQ_INFO_PWR(1800, 1148, 100, 18000), 714 FREQ_INFO_PWR(1600, 1100, 100, 15000), 715 FREQ_INFO_PWR(1400, 1052, 100, 13000), 716 FREQ_INFO_PWR(1000, 1004, 100, 10000), 717 FREQ_INFO_PWR( 800, 844, 100, 7000), 718 FREQ_INFO_PWR( 600, 844, 100, 6000), 719 FREQ_INFO_PWR( 400, 844, 100, 5000), 720 }; 721 static freq_info C7M_764[] = { 722 /* 1.60GHz Centaur C7-M 400 Mhz FSB */ 723 FREQ_INFO_PWR(1600, 1084, 100, 15000), 724 FREQ_INFO_PWR(1400, 1052, 100, 13000), 725 FREQ_INFO_PWR(1000, 1004, 100, 10000), 726 FREQ_INFO_PWR( 800, 844, 100, 7000), 727 FREQ_INFO_PWR( 600, 844, 100, 6000), 728 FREQ_INFO_PWR( 400, 844, 100, 5000), 729 }; 730 static freq_info C7M_754[] = { 731 /* 1.50GHz Centaur C7-M 400 Mhz FSB */ 732 FREQ_INFO_PWR(1500, 1004, 100, 12000), 733 FREQ_INFO_PWR(1400, 988, 100, 11000), 734 FREQ_INFO_PWR(1000, 940, 100, 9000), 735 FREQ_INFO_PWR( 800, 844, 100, 7000), 736 FREQ_INFO_PWR( 600, 844, 100, 6000), 737 FREQ_INFO_PWR( 400, 844, 100, 5000), 738 }; 739 static freq_info C7M_771[] = { 740 /* 1.20GHz Centaur C7-M 400 Mhz FSB */ 741 FREQ_INFO_PWR(1200, 860, 100, 7000), 742 FREQ_INFO_PWR(1000, 860, 100, 6000), 743 FREQ_INFO_PWR( 800, 844, 100, 5500), 744 FREQ_INFO_PWR( 600, 844, 100, 5000), 745 FREQ_INFO_PWR( 400, 844, 100, 4000), 746 }; 747 748 static freq_info C7M_775_ULV[] = { 749 /* 1.50GHz Centaur C7-M ULV */ 750 FREQ_INFO_PWR(1500, 956, 100, 7500), 751 FREQ_INFO_PWR(1400, 940, 100, 6000), 752 FREQ_INFO_PWR(1000, 860, 100, 5000), 753 FREQ_INFO_PWR( 800, 828, 100, 2800), 754 FREQ_INFO_PWR( 600, 796, 100, 2500), 755 FREQ_INFO_PWR( 400, 796, 100, 2000), 756 }; 757 static freq_info C7M_772_ULV[] = { 758 /* 1.20GHz Centaur C7-M ULV */ 759 FREQ_INFO_PWR(1200, 844, 100, 5000), 760 FREQ_INFO_PWR(1000, 844, 100, 4000), 761 FREQ_INFO_PWR( 800, 828, 100, 2800), 762 FREQ_INFO_PWR( 600, 796, 100, 2500), 763 FREQ_INFO_PWR( 400, 796, 100, 2000), 764 }; 765 static freq_info C7M_779_ULV[] = { 766 /* 1.00GHz Centaur C7-M ULV */ 767 FREQ_INFO_PWR(1000, 796, 100, 3500), 768 FREQ_INFO_PWR( 800, 796, 100, 2800), 769 FREQ_INFO_PWR( 600, 796, 100, 2500), 770 FREQ_INFO_PWR( 400, 796, 100, 2000), 771 }; 772 static freq_info C7M_770_ULV[] = { 773 /* 1.00GHz Centaur C7-M ULV */ 774 FREQ_INFO_PWR(1000, 844, 100, 5000), 775 FREQ_INFO_PWR( 800, 796, 100, 2800), 776 FREQ_INFO_PWR( 600, 796, 100, 2500), 777 FREQ_INFO_PWR( 400, 796, 100, 2000), 778 }; 779 780 static cpu_info ESTprocs[] = { 781 INTEL(PM17_130, 1700, 1484, 600, 956, INTEL_BUS_CLK), 782 INTEL(PM16_130, 1600, 1484, 600, 956, INTEL_BUS_CLK), 783 INTEL(PM15_130, 1500, 1484, 600, 956, INTEL_BUS_CLK), 784 INTEL(PM14_130, 1400, 1484, 600, 956, INTEL_BUS_CLK), 785 INTEL(PM13_130, 1300, 1388, 600, 956, INTEL_BUS_CLK), 786 INTEL(PM13_LV_130, 1300, 1180, 600, 956, INTEL_BUS_CLK), 787 INTEL(PM12_LV_130, 1200, 1180, 600, 956, INTEL_BUS_CLK), 788 INTEL(PM11_LV_130, 1100, 1180, 600, 956, INTEL_BUS_CLK), 789 INTEL(PM11_ULV_130, 1100, 1004, 600, 844, INTEL_BUS_CLK), 790 INTEL(PM10_ULV_130, 1000, 1004, 600, 844, INTEL_BUS_CLK), 791 INTEL(PM_765A_90, 2100, 1340, 600, 988, INTEL_BUS_CLK), 792 INTEL(PM_765B_90, 2100, 1324, 600, 988, INTEL_BUS_CLK), 793 INTEL(PM_765C_90, 2100, 1308, 600, 988, INTEL_BUS_CLK), 794 INTEL(PM_765E_90, 2100, 1356, 600, 988, INTEL_BUS_CLK), 795 INTEL(PM_755A_90, 2000, 1340, 600, 988, INTEL_BUS_CLK), 796 INTEL(PM_755B_90, 2000, 1324, 600, 988, INTEL_BUS_CLK), 797 INTEL(PM_755C_90, 2000, 1308, 600, 988, INTEL_BUS_CLK), 798 INTEL(PM_755D_90, 2000, 1276, 600, 988, INTEL_BUS_CLK), 799 INTEL(PM_745A_90, 1800, 1340, 600, 988, INTEL_BUS_CLK), 800 INTEL(PM_745B_90, 1800, 1324, 600, 988, INTEL_BUS_CLK), 801 INTEL(PM_745C_90, 1800, 1308, 600, 988, INTEL_BUS_CLK), 802 INTEL(PM_745D_90, 1800, 1276, 600, 988, INTEL_BUS_CLK), 803 INTEL(PM_735A_90, 1700, 1340, 600, 988, INTEL_BUS_CLK), 804 INTEL(PM_735B_90, 1700, 1324, 600, 988, INTEL_BUS_CLK), 805 INTEL(PM_735C_90, 1700, 1308, 600, 988, INTEL_BUS_CLK), 806 INTEL(PM_735D_90, 1700, 1276, 600, 988, INTEL_BUS_CLK), 807 INTEL(PM_725A_90, 1600, 1340, 600, 988, INTEL_BUS_CLK), 808 INTEL(PM_725B_90, 1600, 1324, 600, 988, INTEL_BUS_CLK), 809 INTEL(PM_725C_90, 1600, 1308, 600, 988, INTEL_BUS_CLK), 810 INTEL(PM_725D_90, 1600, 1276, 600, 988, INTEL_BUS_CLK), 811 INTEL(PM_715A_90, 1500, 1340, 600, 988, INTEL_BUS_CLK), 812 INTEL(PM_715B_90, 1500, 1324, 600, 988, INTEL_BUS_CLK), 813 INTEL(PM_715C_90, 1500, 1308, 600, 988, INTEL_BUS_CLK), 814 INTEL(PM_715D_90, 1500, 1276, 600, 988, INTEL_BUS_CLK), 815 INTEL(PM_778_90, 1600, 1116, 600, 988, INTEL_BUS_CLK), 816 INTEL(PM_758_90, 1500, 1116, 600, 988, INTEL_BUS_CLK), 817 INTEL(PM_738_90, 1400, 1116, 600, 988, INTEL_BUS_CLK), 818 INTEL(PM_773G_90, 1300, 956, 600, 812, INTEL_BUS_CLK), 819 INTEL(PM_773H_90, 1300, 940, 600, 812, INTEL_BUS_CLK), 820 INTEL(PM_773I_90, 1300, 924, 600, 812, INTEL_BUS_CLK), 821 INTEL(PM_773J_90, 1300, 908, 600, 812, INTEL_BUS_CLK), 822 INTEL(PM_773K_90, 1300, 892, 600, 812, INTEL_BUS_CLK), 823 INTEL(PM_773L_90, 1300, 876, 600, 812, INTEL_BUS_CLK), 824 INTEL(PM_753G_90, 1200, 956, 600, 812, INTEL_BUS_CLK), 825 INTEL(PM_753H_90, 1200, 940, 600, 812, INTEL_BUS_CLK), 826 INTEL(PM_753I_90, 1200, 924, 600, 812, INTEL_BUS_CLK), 827 INTEL(PM_753J_90, 1200, 908, 600, 812, INTEL_BUS_CLK), 828 INTEL(PM_753K_90, 1200, 892, 600, 812, INTEL_BUS_CLK), 829 INTEL(PM_753L_90, 1200, 876, 600, 812, INTEL_BUS_CLK), 830 INTEL(PM_733JG_90, 1100, 956, 600, 812, INTEL_BUS_CLK), 831 INTEL(PM_733JH_90, 1100, 940, 600, 812, INTEL_BUS_CLK), 832 INTEL(PM_733JI_90, 1100, 924, 600, 812, INTEL_BUS_CLK), 833 INTEL(PM_733JJ_90, 1100, 908, 600, 812, INTEL_BUS_CLK), 834 INTEL(PM_733JK_90, 1100, 892, 600, 812, INTEL_BUS_CLK), 835 INTEL(PM_733JL_90, 1100, 876, 600, 812, INTEL_BUS_CLK), 836 INTEL(PM_733_90, 1100, 940, 600, 812, INTEL_BUS_CLK), 837 INTEL(PM_723_90, 1000, 940, 600, 812, INTEL_BUS_CLK), 838 839 CENTAUR(C7M_795, 2000, 1148, 533, 844, 133), 840 CENTAUR(C7M_794, 2000, 1148, 400, 844, 100), 841 CENTAUR(C7M_785, 1867, 1148, 533, 844, 133), 842 CENTAUR(C7M_784, 1800, 1148, 400, 844, 100), 843 CENTAUR(C7M_765, 1600, 1084, 533, 844, 133), 844 CENTAUR(C7M_764, 1600, 1084, 400, 844, 100), 845 CENTAUR(C7M_754, 1500, 1004, 400, 844, 100), 846 CENTAUR(C7M_775_ULV, 1500, 956, 400, 796, 100), 847 CENTAUR(C7M_771, 1200, 860, 400, 844, 100), 848 CENTAUR(C7M_772_ULV, 1200, 844, 400, 796, 100), 849 CENTAUR(C7M_779_ULV, 1000, 796, 400, 796, 100), 850 CENTAUR(C7M_770_ULV, 1000, 844, 400, 796, 100), 851 { 0, 0, NULL }, 852 }; 853 854 static void est_identify(driver_t *driver, device_t parent); 855 static int est_features(driver_t *driver, u_int *features); 856 static int est_probe(device_t parent); 857 static int est_attach(device_t parent); 858 static int est_detach(device_t parent); 859 static int est_get_info(device_t dev); 860 static int est_acpi_info(device_t dev, freq_info **freqs, 861 size_t *freqslen); 862 static int est_table_info(device_t dev, uint64_t msr, freq_info **freqs, 863 size_t *freqslen); 864 static int est_msr_info(device_t dev, uint64_t msr, freq_info **freqs, 865 size_t *freqslen); 866 static freq_info *est_get_current(freq_info *freq_list, size_t tablen); 867 static int est_settings(device_t dev, struct cf_setting *sets, int *count); 868 static int est_set(device_t dev, const struct cf_setting *set); 869 static int est_get(device_t dev, struct cf_setting *set); 870 static int est_type(device_t dev, int *type); 871 static int est_set_id16(device_t dev, uint16_t id16, int need_check); 872 static void est_get_id16(uint16_t *id16_p); 873 874 static device_method_t est_methods[] = { 875 /* Device interface */ 876 DEVMETHOD(device_identify, est_identify), 877 DEVMETHOD(device_probe, est_probe), 878 DEVMETHOD(device_attach, est_attach), 879 DEVMETHOD(device_detach, est_detach), 880 881 /* cpufreq interface */ 882 DEVMETHOD(cpufreq_drv_set, est_set), 883 DEVMETHOD(cpufreq_drv_get, est_get), 884 DEVMETHOD(cpufreq_drv_type, est_type), 885 DEVMETHOD(cpufreq_drv_settings, est_settings), 886 887 /* ACPI interface */ 888 DEVMETHOD(acpi_get_features, est_features), 889 890 {0, 0} 891 }; 892 893 static driver_t est_driver = { 894 "est", 895 est_methods, 896 sizeof(struct est_softc), 897 }; 898 899 static devclass_t est_devclass; 900 DRIVER_MODULE(est, cpu, est_driver, est_devclass, 0, 0); 901 902 static int 903 est_features(driver_t *driver, u_int *features) 904 { 905 906 /* 907 * Notify the ACPI CPU that we support direct access to MSRs. 908 * XXX C1 "I/O then Halt" seems necessary for some broken BIOS. 909 */ 910 *features = ACPI_CAP_PERF_MSRS | ACPI_CAP_C1_IO_HALT; 911 return (0); 912 } 913 914 static void 915 est_identify(driver_t *driver, device_t parent) 916 { 917 device_t child; 918 919 /* Make sure we're not being doubly invoked. */ 920 if (device_find_child(parent, "est", -1) != NULL) 921 return; 922 923 /* Check that CPUID is supported and the vendor is Intel.*/ 924 if (cpu_high == 0 || (cpu_vendor_id != CPU_VENDOR_INTEL && 925 cpu_vendor_id != CPU_VENDOR_CENTAUR)) 926 return; 927 928 /* 929 * Check if the CPU supports EST. 930 */ 931 if (!(cpu_feature2 & CPUID2_EST)) 932 return; 933 934 /* 935 * We add a child for each CPU since settings must be performed 936 * on each CPU in the SMP case. 937 */ 938 child = BUS_ADD_CHILD(parent, 10, "est", -1); 939 if (child == NULL) 940 device_printf(parent, "add est child failed\n"); 941 } 942 943 static int 944 est_probe(device_t dev) 945 { 946 device_t perf_dev; 947 uint64_t msr; 948 int error, type; 949 950 if (resource_disabled("est", 0)) 951 return (ENXIO); 952 953 /* 954 * If the ACPI perf driver has attached and is not just offering 955 * info, let it manage things. 956 */ 957 perf_dev = device_find_child(device_get_parent(dev), "acpi_perf", -1); 958 if (perf_dev && device_is_attached(perf_dev)) { 959 error = CPUFREQ_DRV_TYPE(perf_dev, &type); 960 if (error == 0 && (type & CPUFREQ_FLAG_INFO_ONLY) == 0) 961 return (ENXIO); 962 } 963 964 /* Attempt to enable SpeedStep if not currently enabled. */ 965 msr = rdmsr(MSR_MISC_ENABLE); 966 if ((msr & MSR_SS_ENABLE) == 0) { 967 wrmsr(MSR_MISC_ENABLE, msr | MSR_SS_ENABLE); 968 if (bootverbose) 969 device_printf(dev, "enabling SpeedStep\n"); 970 971 /* Check if the enable failed. */ 972 msr = rdmsr(MSR_MISC_ENABLE); 973 if ((msr & MSR_SS_ENABLE) == 0) { 974 device_printf(dev, "failed to enable SpeedStep\n"); 975 return (ENXIO); 976 } 977 } 978 979 device_set_desc(dev, "Enhanced SpeedStep Frequency Control"); 980 return (0); 981 } 982 983 static int 984 est_attach(device_t dev) 985 { 986 struct est_softc *sc; 987 988 sc = device_get_softc(dev); 989 sc->dev = dev; 990 991 /* On SMP system we can't guarantie independent freq setting. */ 992 if (strict == -1 && mp_ncpus > 1) 993 strict = 0; 994 /* Check CPU for supported settings. */ 995 if (est_get_info(dev)) 996 return (ENXIO); 997 998 cpufreq_register(dev); 999 return (0); 1000 } 1001 1002 static int 1003 est_detach(device_t dev) 1004 { 1005 struct est_softc *sc; 1006 int error; 1007 1008 error = cpufreq_unregister(dev); 1009 if (error) 1010 return (error); 1011 1012 sc = device_get_softc(dev); 1013 if (sc->acpi_settings || sc->msr_settings) 1014 free(sc->freq_list, M_DEVBUF); 1015 return (0); 1016 } 1017 1018 /* 1019 * Probe for supported CPU settings. First, check our static table of 1020 * settings. If no match, try using the ones offered by acpi_perf 1021 * (i.e., _PSS). We use ACPI second because some systems (IBM R/T40 1022 * series) export both legacy SMM IO-based access and direct MSR access 1023 * but the direct access specifies invalid values for _PSS. 1024 */ 1025 static int 1026 est_get_info(device_t dev) 1027 { 1028 struct est_softc *sc; 1029 uint64_t msr; 1030 int error; 1031 1032 sc = device_get_softc(dev); 1033 msr = rdmsr(MSR_PERF_STATUS); 1034 error = est_table_info(dev, msr, &sc->freq_list, &sc->flist_len); 1035 if (error) 1036 error = est_acpi_info(dev, &sc->freq_list, &sc->flist_len); 1037 if (error) 1038 error = est_msr_info(dev, msr, &sc->freq_list, &sc->flist_len); 1039 1040 if (error) { 1041 printf( 1042 "est: CPU supports Enhanced Speedstep, but is not recognized.\n" 1043 "est: cpu_vendor %s, msr %0jx\n", cpu_vendor, msr); 1044 return (ENXIO); 1045 } 1046 1047 return (0); 1048 } 1049 1050 static int 1051 est_acpi_info(device_t dev, freq_info **freqs, size_t *freqslen) 1052 { 1053 struct est_softc *sc; 1054 struct cf_setting *sets; 1055 freq_info *table; 1056 device_t perf_dev; 1057 int count, error, i, j; 1058 uint16_t saved_id16; 1059 1060 perf_dev = device_find_child(device_get_parent(dev), "acpi_perf", -1); 1061 if (perf_dev == NULL || !device_is_attached(perf_dev)) 1062 return (ENXIO); 1063 1064 /* Fetch settings from acpi_perf. */ 1065 sc = device_get_softc(dev); 1066 table = NULL; 1067 sets = malloc(MAX_SETTINGS * sizeof(*sets), M_TEMP, M_NOWAIT); 1068 if (sets == NULL) 1069 return (ENOMEM); 1070 count = MAX_SETTINGS; 1071 error = CPUFREQ_DRV_SETTINGS(perf_dev, sets, &count); 1072 if (error) 1073 goto out; 1074 1075 /* Parse settings into our local table format. */ 1076 table = malloc(count * sizeof(*table), M_DEVBUF, M_NOWAIT); 1077 if (table == NULL) { 1078 error = ENOMEM; 1079 goto out; 1080 } 1081 est_get_id16(&saved_id16); 1082 for (i = 0, j = 0; i < count; i++) { 1083 /* 1084 * Confirm id16 value is correct. 1085 */ 1086 if (sets[i].freq > 0) { 1087 error = est_set_id16(dev, sets[i].spec[0], strict); 1088 if (error != 0) { 1089 if (bootverbose) 1090 device_printf(dev, "Invalid freq %u, " 1091 "ignored.\n", sets[i].freq); 1092 continue; 1093 } 1094 table[j].freq = sets[i].freq; 1095 table[j].volts = sets[i].volts; 1096 table[j].id16 = sets[i].spec[0]; 1097 table[j].power = sets[i].power; 1098 ++j; 1099 } 1100 } 1101 /* restore saved setting */ 1102 est_set_id16(dev, saved_id16, 0); 1103 1104 sc->acpi_settings = TRUE; 1105 *freqs = table; 1106 *freqslen = j; 1107 error = 0; 1108 1109 out: 1110 if (sets) 1111 free(sets, M_TEMP); 1112 if (error && table) 1113 free(table, M_DEVBUF); 1114 return (error); 1115 } 1116 1117 static int 1118 est_table_info(device_t dev, uint64_t msr, freq_info **freqs, size_t *freqslen) 1119 { 1120 cpu_info *p; 1121 uint32_t id; 1122 1123 /* Find a table which matches (vendor, id32). */ 1124 id = msr >> 32; 1125 for (p = ESTprocs; p->id32 != 0; p++) { 1126 if (p->vendor_id == cpu_vendor_id && p->id32 == id) 1127 break; 1128 } 1129 if (p->id32 == 0) 1130 return (EOPNOTSUPP); 1131 1132 /* Make sure the current setpoint is valid. */ 1133 if (est_get_current(p->freqtab, p->tablen) == NULL) { 1134 device_printf(dev, "current setting not found in table\n"); 1135 return (EOPNOTSUPP); 1136 } 1137 1138 *freqs = p->freqtab; 1139 *freqslen = p->tablen; 1140 return (0); 1141 } 1142 1143 static int 1144 bus_speed_ok(int bus) 1145 { 1146 1147 switch (bus) { 1148 case 100: 1149 case 133: 1150 case 333: 1151 return (1); 1152 default: 1153 return (0); 1154 } 1155 } 1156 1157 /* 1158 * Flesh out a simple rate table containing the high and low frequencies 1159 * based on the current clock speed and the upper 32 bits of the MSR. 1160 */ 1161 static int 1162 est_msr_info(device_t dev, uint64_t msr, freq_info **freqs, size_t *freqslen) 1163 { 1164 struct est_softc *sc; 1165 freq_info *fp; 1166 int bus, freq, volts; 1167 uint16_t id; 1168 1169 if (!msr_info_enabled) 1170 return (EOPNOTSUPP); 1171 1172 /* Figure out the bus clock. */ 1173 freq = atomic_load_acq_64(&tsc_freq) / 1000000; 1174 id = msr >> 32; 1175 bus = freq / (id >> 8); 1176 device_printf(dev, "Guessed bus clock (high) of %d MHz\n", bus); 1177 if (!bus_speed_ok(bus)) { 1178 /* We may be running on the low frequency. */ 1179 id = msr >> 48; 1180 bus = freq / (id >> 8); 1181 device_printf(dev, "Guessed bus clock (low) of %d MHz\n", bus); 1182 if (!bus_speed_ok(bus)) 1183 return (EOPNOTSUPP); 1184 1185 /* Calculate high frequency. */ 1186 id = msr >> 32; 1187 freq = ((id >> 8) & 0xff) * bus; 1188 } 1189 1190 /* Fill out a new freq table containing just the high and low freqs. */ 1191 sc = device_get_softc(dev); 1192 fp = malloc(sizeof(freq_info) * 2, M_DEVBUF, M_WAITOK | M_ZERO); 1193 1194 /* First, the high frequency. */ 1195 volts = id & 0xff; 1196 if (volts != 0) { 1197 volts <<= 4; 1198 volts += 700; 1199 } 1200 fp[0].freq = freq; 1201 fp[0].volts = volts; 1202 fp[0].id16 = id; 1203 fp[0].power = CPUFREQ_VAL_UNKNOWN; 1204 device_printf(dev, "Guessed high setting of %d MHz @ %d Mv\n", freq, 1205 volts); 1206 1207 /* Second, the low frequency. */ 1208 id = msr >> 48; 1209 freq = ((id >> 8) & 0xff) * bus; 1210 volts = id & 0xff; 1211 if (volts != 0) { 1212 volts <<= 4; 1213 volts += 700; 1214 } 1215 fp[1].freq = freq; 1216 fp[1].volts = volts; 1217 fp[1].id16 = id; 1218 fp[1].power = CPUFREQ_VAL_UNKNOWN; 1219 device_printf(dev, "Guessed low setting of %d MHz @ %d Mv\n", freq, 1220 volts); 1221 1222 /* Table is already terminated due to M_ZERO. */ 1223 sc->msr_settings = TRUE; 1224 *freqs = fp; 1225 *freqslen = 2; 1226 return (0); 1227 } 1228 1229 static void 1230 est_get_id16(uint16_t *id16_p) 1231 { 1232 *id16_p = rdmsr(MSR_PERF_STATUS) & 0xffff; 1233 } 1234 1235 static int 1236 est_set_id16(device_t dev, uint16_t id16, int need_check) 1237 { 1238 uint64_t msr; 1239 uint16_t new_id16; 1240 int ret = 0; 1241 1242 /* Read the current register, mask out the old, set the new id. */ 1243 msr = rdmsr(MSR_PERF_CTL); 1244 msr = (msr & ~0xffff) | id16; 1245 wrmsr(MSR_PERF_CTL, msr); 1246 1247 if (need_check) { 1248 /* Wait a short while and read the new status. */ 1249 DELAY(EST_TRANS_LAT); 1250 est_get_id16(&new_id16); 1251 if (new_id16 != id16) { 1252 if (bootverbose) 1253 device_printf(dev, "Invalid id16 (set, cur) " 1254 "= (%u, %u)\n", id16, new_id16); 1255 ret = ENXIO; 1256 } 1257 } 1258 return (ret); 1259 } 1260 1261 static freq_info * 1262 est_get_current(freq_info *freq_list, size_t tablen) 1263 { 1264 freq_info *f; 1265 int i; 1266 uint16_t id16; 1267 1268 /* 1269 * Try a few times to get a valid value. Sometimes, if the CPU 1270 * is in the middle of an asynchronous transition (i.e., P4TCC), 1271 * we get a temporary invalid result. 1272 */ 1273 for (i = 0; i < 5; i++) { 1274 est_get_id16(&id16); 1275 for (f = freq_list; f < freq_list + tablen; f++) { 1276 if (f->id16 == id16) 1277 return (f); 1278 } 1279 DELAY(100); 1280 } 1281 return (NULL); 1282 } 1283 1284 static int 1285 est_settings(device_t dev, struct cf_setting *sets, int *count) 1286 { 1287 struct est_softc *sc; 1288 freq_info *f; 1289 int i; 1290 1291 sc = device_get_softc(dev); 1292 if (*count < EST_MAX_SETTINGS) 1293 return (E2BIG); 1294 1295 i = 0; 1296 for (f = sc->freq_list; f < sc->freq_list + sc->flist_len; f++, i++) { 1297 sets[i].freq = f->freq; 1298 sets[i].volts = f->volts; 1299 sets[i].power = f->power; 1300 sets[i].lat = EST_TRANS_LAT; 1301 sets[i].dev = dev; 1302 } 1303 *count = i; 1304 1305 return (0); 1306 } 1307 1308 static int 1309 est_set(device_t dev, const struct cf_setting *set) 1310 { 1311 struct est_softc *sc; 1312 freq_info *f; 1313 1314 /* Find the setting matching the requested one. */ 1315 sc = device_get_softc(dev); 1316 for (f = sc->freq_list; f < sc->freq_list + sc->flist_len; f++) { 1317 if (f->freq == set->freq) 1318 break; 1319 } 1320 if (f->freq == 0) 1321 return (EINVAL); 1322 1323 /* Read the current register, mask out the old, set the new id. */ 1324 est_set_id16(dev, f->id16, 0); 1325 1326 return (0); 1327 } 1328 1329 static int 1330 est_get(device_t dev, struct cf_setting *set) 1331 { 1332 struct est_softc *sc; 1333 freq_info *f; 1334 1335 sc = device_get_softc(dev); 1336 f = est_get_current(sc->freq_list, sc->flist_len); 1337 if (f == NULL) 1338 return (ENXIO); 1339 1340 set->freq = f->freq; 1341 set->volts = f->volts; 1342 set->power = f->power; 1343 set->lat = EST_TRANS_LAT; 1344 set->dev = dev; 1345 return (0); 1346 } 1347 1348 static int 1349 est_type(device_t dev, int *type) 1350 { 1351 1352 if (type == NULL) 1353 return (EINVAL); 1354 1355 *type = CPUFREQ_TYPE_ABSOLUTE; 1356 return (0); 1357 }
Cache object: 5a226f72d1344329fd7c794efb18d887
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