1 /* 2 * Product specific probe and attach routines for: 3 * 3940, 2940, aic7895, aic7890, aic7880, 4 * aic7870, aic7860 and aic7850 SCSI controllers 5 * 6 * Copyright (c) 1994-2001 Justin T. Gibbs. 7 * Copyright (c) 2000-2001 Adaptec Inc. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions, and the following disclaimer, 15 * without modification. 16 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 17 * substantially similar to the "NO WARRANTY" disclaimer below 18 * ("Disclaimer") and any redistribution must be conditioned upon 19 * including a substantially similar Disclaimer requirement for further 20 * binary redistribution. 21 * 3. Neither the names of the above-listed copyright holders nor the names 22 * of any contributors may be used to endorse or promote products derived 23 * from this software without specific prior written permission. 24 * 25 * Alternatively, this software may be distributed under the terms of the 26 * GNU General Public License ("GPL") version 2 as published by the Free 27 * Software Foundation. 28 * 29 * NO WARRANTY 30 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 31 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 32 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 33 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 34 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 38 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 39 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 40 * POSSIBILITY OF SUCH DAMAGES. 41 * 42 * $Id: ahc_pci.c,v 1.56 2006/07/10 16:28:44 thorpej Exp $ 43 * 44 * //depot/aic7xxx/aic7xxx/aic7xxx_pci.c#57 $ 45 * 46 * $FreeBSD: /repoman/r/ncvs/src/sys/dev/aic7xxx/aic7xxx_pci.c,v 1.22 2003/01/20 20:44:55 gibbs Exp $ 47 */ 48 /* 49 * Ported from FreeBSD by Pascal Renauld, Network Storage Solutions, Inc. - April 2003 50 */ 51 52 #include <sys/cdefs.h> 53 __KERNEL_RCSID(0, "$NetBSD: ahc_pci.c,v 1.56 2006/07/10 16:28:44 thorpej Exp $"); 54 55 #include <sys/param.h> 56 #include <sys/systm.h> 57 #include <sys/malloc.h> 58 #include <sys/kernel.h> 59 #include <sys/queue.h> 60 #include <sys/device.h> 61 #include <sys/reboot.h> 62 63 #include <machine/bus.h> 64 #include <machine/intr.h> 65 66 #include <dev/pci/pcireg.h> 67 #include <dev/pci/pcivar.h> 68 69 70 /* XXXX some i386 on-board chips act weird when memory-mapped */ 71 #ifndef __i386__ 72 #define AHC_ALLOW_MEMIO 73 #endif 74 75 #define AHC_PCI_IOADDR PCI_MAPREG_START /* I/O Address */ 76 #define AHC_PCI_MEMADDR (PCI_MAPREG_START + 4) /* Mem I/O Address */ 77 78 #include <dev/ic/aic7xxx_osm.h> 79 #include <dev/ic/aic7xxx_inline.h> 80 81 #include <dev/ic/smc93cx6var.h> 82 83 84 static inline uint64_t 85 ahc_compose_id(u_int device, u_int vendor, u_int subdevice, u_int subvendor) 86 { 87 uint64_t id; 88 89 id = subvendor 90 | (subdevice << 16) 91 | ((uint64_t)vendor << 32) 92 | ((uint64_t)device << 48); 93 94 return (id); 95 } 96 97 #define ID_ALL_MASK 0xFFFFFFFFFFFFFFFFull 98 #define ID_DEV_VENDOR_MASK 0xFFFFFFFF00000000ull 99 #define ID_9005_GENERIC_MASK 0xFFF0FFFF00000000ull 100 #define ID_9005_SISL_MASK 0x000FFFFF00000000ull 101 #define ID_9005_SISL_ID 0x0005900500000000ull 102 #define ID_AIC7850 0x5078900400000000ull 103 #define ID_AHA_2902_04_10_15_20_30C 0x5078900478509004ull 104 #define ID_AIC7855 0x5578900400000000ull 105 #define ID_AIC7859 0x3860900400000000ull 106 #define ID_AHA_2930CU 0x3860900438699004ull 107 #define ID_AIC7860 0x6078900400000000ull 108 #define ID_AIC7860C 0x6078900478609004ull 109 #define ID_AHA_1480A 0x6075900400000000ull 110 #define ID_AHA_2940AU_0 0x6178900400000000ull 111 #define ID_AHA_2940AU_1 0x6178900478619004ull 112 #define ID_AHA_2940AU_CN 0x2178900478219004ull 113 #define ID_AHA_2930C_VAR 0x6038900438689004ull 114 115 #define ID_AIC7870 0x7078900400000000ull 116 #define ID_AHA_2940 0x7178900400000000ull 117 #define ID_AHA_3940 0x7278900400000000ull 118 #define ID_AHA_398X 0x7378900400000000ull 119 #define ID_AHA_2944 0x7478900400000000ull 120 #define ID_AHA_3944 0x7578900400000000ull 121 #define ID_AHA_4944 0x7678900400000000ull 122 123 #define ID_AIC7880 0x8078900400000000ull 124 #define ID_AIC7880_B 0x8078900478809004ull 125 #define ID_AHA_2940U 0x8178900400000000ull 126 #define ID_AHA_3940U 0x8278900400000000ull 127 #define ID_AHA_2944U 0x8478900400000000ull 128 #define ID_AHA_3944U 0x8578900400000000ull 129 #define ID_AHA_398XU 0x8378900400000000ull 130 #define ID_AHA_4944U 0x8678900400000000ull 131 #define ID_AHA_2940UB 0x8178900478819004ull 132 #define ID_AHA_2930U 0x8878900478889004ull 133 #define ID_AHA_2940U_PRO 0x8778900478879004ull 134 #define ID_AHA_2940U_CN 0x0078900478009004ull 135 136 #define ID_AIC7895 0x7895900478959004ull 137 #define ID_AIC7895_ARO 0x7890900478939004ull 138 #define ID_AIC7895_ARO_MASK 0xFFF0FFFFFFFFFFFFull 139 #define ID_AHA_2940U_DUAL 0x7895900478919004ull 140 #define ID_AHA_3940AU 0x7895900478929004ull 141 #define ID_AHA_3944AU 0x7895900478949004ull 142 143 #define ID_AIC7890 0x001F9005000F9005ull 144 #define ID_AIC7890_ARO 0x00139005000F9005ull 145 #define ID_AAA_131U2 0x0013900500039005ull 146 #define ID_AHA_2930U2 0x0011900501819005ull 147 #define ID_AHA_2940U2B 0x00109005A1009005ull 148 #define ID_AHA_2940U2_OEM 0x0010900521809005ull 149 #define ID_AHA_2940U2 0x00109005A1809005ull 150 #define ID_AHA_2950U2B 0x00109005E1009005ull 151 152 #define ID_AIC7892 0x008F9005FFFF9005ull 153 #define ID_AIC7892_ARO 0x00839005FFFF9005ull 154 #define ID_AHA_2915LP 0x0082900502109005ull 155 #define ID_AHA_29160 0x00809005E2A09005ull 156 #define ID_AHA_29160_CPQ 0x00809005E2A00E11ull 157 #define ID_AHA_29160N 0x0080900562A09005ull 158 #define ID_AHA_29160C 0x0080900562209005ull 159 #define ID_AHA_29160B 0x00809005E2209005ull 160 #define ID_AHA_19160B 0x0081900562A19005ull 161 162 #define ID_AIC7896 0x005F9005FFFF9005ull 163 #define ID_AIC7896_ARO 0x00539005FFFF9005ull 164 #define ID_AHA_3950U2B_0 0x00509005FFFF9005ull 165 #define ID_AHA_3950U2B_1 0x00509005F5009005ull 166 #define ID_AHA_3950U2D_0 0x00519005FFFF9005ull 167 #define ID_AHA_3950U2D_1 0x00519005B5009005ull 168 169 #define ID_AIC7899 0x00CF9005FFFF9005ull 170 #define ID_AIC7899_ARO 0x00C39005FFFF9005ull 171 #define ID_AHA_3960D 0x00C09005F6209005ull 172 #define ID_AHA_3960D_CPQ 0x00C09005F6200E11ull 173 174 #define ID_AIC7810 0x1078900400000000ull 175 #define ID_AIC7815 0x7815900400000000ull 176 177 #define DEVID_9005_TYPE(id) ((id) & 0xF) 178 #define DEVID_9005_TYPE_HBA 0x0 /* Standard Card */ 179 #define DEVID_9005_TYPE_AAA 0x3 /* RAID Card */ 180 #define DEVID_9005_TYPE_SISL 0x5 /* Container ROMB */ 181 #define DEVID_9005_TYPE_MB 0xF /* On Motherboard */ 182 183 #define DEVID_9005_MAXRATE(id) (((id) & 0x30) >> 4) 184 #define DEVID_9005_MAXRATE_U160 0x0 185 #define DEVID_9005_MAXRATE_ULTRA2 0x1 186 #define DEVID_9005_MAXRATE_ULTRA 0x2 187 #define DEVID_9005_MAXRATE_FAST 0x3 188 189 #define DEVID_9005_MFUNC(id) (((id) & 0x40) >> 6) 190 191 #define DEVID_9005_CLASS(id) (((id) & 0xFF00) >> 8) 192 #define DEVID_9005_CLASS_SPI 0x0 /* Parallel SCSI */ 193 194 #define SUBID_9005_TYPE(id) ((id) & 0xF) 195 #define SUBID_9005_TYPE_MB 0xF /* On Motherboard */ 196 #define SUBID_9005_TYPE_CARD 0x0 /* Standard Card */ 197 #define SUBID_9005_TYPE_LCCARD 0x1 /* Low Cost Card */ 198 #define SUBID_9005_TYPE_RAID 0x3 /* Combined with Raid */ 199 200 #define SUBID_9005_TYPE_KNOWN(id) \ 201 ((((id) & 0xF) == SUBID_9005_TYPE_MB) \ 202 || (((id) & 0xF) == SUBID_9005_TYPE_CARD) \ 203 || (((id) & 0xF) == SUBID_9005_TYPE_LCCARD) \ 204 || (((id) & 0xF) == SUBID_9005_TYPE_RAID)) 205 206 #define SUBID_9005_MAXRATE(id) (((id) & 0x30) >> 4) 207 #define SUBID_9005_MAXRATE_ULTRA2 0x0 208 #define SUBID_9005_MAXRATE_ULTRA 0x1 209 #define SUBID_9005_MAXRATE_U160 0x2 210 #define SUBID_9005_MAXRATE_RESERVED 0x3 211 212 #define SUBID_9005_SEEPTYPE(id) \ 213 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \ 214 ? ((id) & 0xC0) >> 6 \ 215 : ((id) & 0x300) >> 8) 216 #define SUBID_9005_SEEPTYPE_NONE 0x0 217 #define SUBID_9005_SEEPTYPE_1K 0x1 218 #define SUBID_9005_SEEPTYPE_2K_4K 0x2 219 #define SUBID_9005_SEEPTYPE_RESERVED 0x3 220 #define SUBID_9005_AUTOTERM(id) \ 221 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \ 222 ? (((id) & 0x400) >> 10) == 0 \ 223 : (((id) & 0x40) >> 6) == 0) 224 225 #define SUBID_9005_NUMCHAN(id) \ 226 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \ 227 ? ((id) & 0x300) >> 8 \ 228 : ((id) & 0xC00) >> 10) 229 230 #define SUBID_9005_LEGACYCONN(id) \ 231 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \ 232 ? 0 \ 233 : ((id) & 0x80) >> 7) 234 235 #define SUBID_9005_MFUNCENB(id) \ 236 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \ 237 ? ((id) & 0x800) >> 11 \ 238 : ((id) & 0x1000) >> 12) 239 /* 240 * Informational only. Should use chip register to be 241 * certain, but may be use in identification strings. 242 */ 243 #define SUBID_9005_CARD_SCSIWIDTH_MASK 0x2000 244 #define SUBID_9005_CARD_PCIWIDTH_MASK 0x4000 245 #define SUBID_9005_CARD_SEDIFF_MASK 0x8000 246 247 static ahc_device_setup_t ahc_aic785X_setup; 248 static ahc_device_setup_t ahc_aic7860_setup; 249 static ahc_device_setup_t ahc_apa1480_setup; 250 static ahc_device_setup_t ahc_aic7870_setup; 251 static ahc_device_setup_t ahc_aha394X_setup; 252 static ahc_device_setup_t ahc_aha494X_setup; 253 static ahc_device_setup_t ahc_aha398X_setup; 254 static ahc_device_setup_t ahc_aic7880_setup; 255 static ahc_device_setup_t ahc_aha2940Pro_setup; 256 static ahc_device_setup_t ahc_aha394XU_setup; 257 static ahc_device_setup_t ahc_aha398XU_setup; 258 static ahc_device_setup_t ahc_aic7890_setup; 259 static ahc_device_setup_t ahc_aic7892_setup; 260 static ahc_device_setup_t ahc_aic7895_setup; 261 static ahc_device_setup_t ahc_aic7896_setup; 262 static ahc_device_setup_t ahc_aic7899_setup; 263 static ahc_device_setup_t ahc_aha29160C_setup; 264 static ahc_device_setup_t ahc_raid_setup; 265 static ahc_device_setup_t ahc_aha394XX_setup; 266 static ahc_device_setup_t ahc_aha494XX_setup; 267 static ahc_device_setup_t ahc_aha398XX_setup; 268 269 static struct ahc_pci_identity ahc_pci_ident_table [] = 270 { 271 /* aic7850 based controllers */ 272 { 273 ID_AHA_2902_04_10_15_20_30C, 274 ID_ALL_MASK, 275 "Adaptec 2902/04/10/15/20/30C SCSI adapter", 276 ahc_aic785X_setup 277 }, 278 /* aic7860 based controllers */ 279 { 280 ID_AHA_2930CU, 281 ID_ALL_MASK, 282 "Adaptec 2930CU SCSI adapter", 283 ahc_aic7860_setup 284 }, 285 { 286 ID_AHA_1480A & ID_DEV_VENDOR_MASK, 287 ID_DEV_VENDOR_MASK, 288 "Adaptec 1480A Ultra SCSI adapter", 289 ahc_apa1480_setup 290 }, 291 { 292 ID_AHA_2940AU_0 & ID_DEV_VENDOR_MASK, 293 ID_DEV_VENDOR_MASK, 294 "Adaptec 2940A Ultra SCSI adapter", 295 ahc_aic7860_setup 296 }, 297 { 298 ID_AHA_2940AU_CN & ID_DEV_VENDOR_MASK, 299 ID_DEV_VENDOR_MASK, 300 "Adaptec 2940A/CN Ultra SCSI adapter", 301 ahc_aic7860_setup 302 }, 303 { 304 ID_AHA_2930C_VAR & ID_DEV_VENDOR_MASK, 305 ID_DEV_VENDOR_MASK, 306 "Adaptec 2930C Ultra SCSI adapter (VAR)", 307 ahc_aic7860_setup 308 }, 309 /* aic7870 based controllers */ 310 { 311 ID_AHA_2940, 312 ID_ALL_MASK, 313 "Adaptec 2940 SCSI adapter", 314 ahc_aic7870_setup 315 }, 316 { 317 ID_AHA_3940, 318 ID_ALL_MASK, 319 "Adaptec 3940 SCSI adapter", 320 ahc_aha394X_setup 321 }, 322 { 323 ID_AHA_398X, 324 ID_ALL_MASK, 325 "Adaptec 398X SCSI RAID adapter", 326 ahc_aha398X_setup 327 }, 328 { 329 ID_AHA_2944, 330 ID_ALL_MASK, 331 "Adaptec 2944 SCSI adapter", 332 ahc_aic7870_setup 333 }, 334 { 335 ID_AHA_3944, 336 ID_ALL_MASK, 337 "Adaptec 3944 SCSI adapter", 338 ahc_aha394X_setup 339 }, 340 { 341 ID_AHA_4944, 342 ID_ALL_MASK, 343 "Adaptec 4944 SCSI adapter", 344 ahc_aha494X_setup 345 }, 346 /* aic7880 based controllers */ 347 { 348 ID_AHA_2940U & ID_DEV_VENDOR_MASK, 349 ID_DEV_VENDOR_MASK, 350 "Adaptec 2940 Ultra SCSI adapter", 351 ahc_aic7880_setup 352 }, 353 { 354 ID_AHA_3940U & ID_DEV_VENDOR_MASK, 355 ID_DEV_VENDOR_MASK, 356 "Adaptec 3940 Ultra SCSI adapter", 357 ahc_aha394XU_setup 358 }, 359 { 360 ID_AHA_2944U & ID_DEV_VENDOR_MASK, 361 ID_DEV_VENDOR_MASK, 362 "Adaptec 2944 Ultra SCSI adapter", 363 ahc_aic7880_setup 364 }, 365 { 366 ID_AHA_3944U & ID_DEV_VENDOR_MASK, 367 ID_DEV_VENDOR_MASK, 368 "Adaptec 3944 Ultra SCSI adapter", 369 ahc_aha394XU_setup 370 }, 371 { 372 ID_AHA_398XU & ID_DEV_VENDOR_MASK, 373 ID_DEV_VENDOR_MASK, 374 "Adaptec 398X Ultra SCSI RAID adapter", 375 ahc_aha398XU_setup 376 }, 377 { 378 /* 379 * XXX Don't know the slot numbers 380 * so we can't identify channels 381 */ 382 ID_AHA_4944U & ID_DEV_VENDOR_MASK, 383 ID_DEV_VENDOR_MASK, 384 "Adaptec 4944 Ultra SCSI adapter", 385 ahc_aic7880_setup 386 }, 387 { 388 ID_AHA_2930U & ID_DEV_VENDOR_MASK, 389 ID_DEV_VENDOR_MASK, 390 "Adaptec 2930 Ultra SCSI adapter", 391 ahc_aic7880_setup 392 }, 393 { 394 ID_AHA_2940U_PRO & ID_DEV_VENDOR_MASK, 395 ID_DEV_VENDOR_MASK, 396 "Adaptec 2940 Pro Ultra SCSI adapter", 397 ahc_aha2940Pro_setup 398 }, 399 { 400 ID_AHA_2940U_CN & ID_DEV_VENDOR_MASK, 401 ID_DEV_VENDOR_MASK, 402 "Adaptec 2940/CN Ultra SCSI adapter", 403 ahc_aic7880_setup 404 }, 405 /* Ignore all SISL (AAC on MB) based controllers. */ 406 { 407 ID_9005_SISL_ID, 408 ID_9005_SISL_MASK, 409 NULL, 410 NULL 411 }, 412 /* aic7890 based controllers */ 413 { 414 ID_AHA_2930U2, 415 ID_ALL_MASK, 416 "Adaptec 2930 Ultra2 SCSI adapter", 417 ahc_aic7890_setup 418 }, 419 { 420 ID_AHA_2940U2B, 421 ID_ALL_MASK, 422 "Adaptec 2940B Ultra2 SCSI adapter", 423 ahc_aic7890_setup 424 }, 425 { 426 ID_AHA_2940U2_OEM, 427 ID_ALL_MASK, 428 "Adaptec 2940 Ultra2 SCSI adapter (OEM)", 429 ahc_aic7890_setup 430 }, 431 { 432 ID_AHA_2940U2, 433 ID_ALL_MASK, 434 "Adaptec 2940 Ultra2 SCSI adapter", 435 ahc_aic7890_setup 436 }, 437 { 438 ID_AHA_2950U2B, 439 ID_ALL_MASK, 440 "Adaptec 2950 Ultra2 SCSI adapter", 441 ahc_aic7890_setup 442 }, 443 { 444 ID_AIC7890_ARO, 445 ID_ALL_MASK, 446 "Adaptec aic7890/91 Ultra2 SCSI adapter (ARO)", 447 ahc_aic7890_setup 448 }, 449 { 450 ID_AAA_131U2, 451 ID_ALL_MASK, 452 "Adaptec AAA-131 Ultra2 RAID adapter", 453 ahc_aic7890_setup 454 }, 455 /* aic7892 based controllers */ 456 { 457 ID_AHA_29160, 458 ID_ALL_MASK, 459 "Adaptec 29160 Ultra160 SCSI adapter", 460 ahc_aic7892_setup 461 }, 462 { 463 ID_AHA_29160_CPQ, 464 ID_ALL_MASK, 465 "Adaptec (Compaq OEM) 29160 Ultra160 SCSI adapter", 466 ahc_aic7892_setup 467 }, 468 { 469 ID_AHA_29160N, 470 ID_ALL_MASK, 471 "Adaptec 29160N Ultra160 SCSI adapter", 472 ahc_aic7892_setup 473 }, 474 { 475 ID_AHA_29160C, 476 ID_ALL_MASK, 477 "Adaptec 29160C Ultra160 SCSI adapter", 478 ahc_aha29160C_setup 479 }, 480 { 481 ID_AHA_29160B, 482 ID_ALL_MASK, 483 "Adaptec 29160B Ultra160 SCSI adapter", 484 ahc_aic7892_setup 485 }, 486 { 487 ID_AHA_19160B, 488 ID_ALL_MASK, 489 "Adaptec 19160B Ultra160 SCSI adapter", 490 ahc_aic7892_setup 491 }, 492 { 493 ID_AIC7892_ARO, 494 ID_ALL_MASK, 495 "Adaptec aic7892 Ultra160 SCSI adapter (ARO)", 496 ahc_aic7892_setup 497 }, 498 { 499 ID_AHA_2915LP, 500 ID_ALL_MASK, 501 "Adaptec 2915LP Ultra160 SCSI adapter", 502 ahc_aic7892_setup 503 }, 504 /* aic7895 based controllers */ 505 { 506 ID_AHA_2940U_DUAL, 507 ID_ALL_MASK, 508 "Adaptec 2940/DUAL Ultra SCSI adapter", 509 ahc_aic7895_setup 510 }, 511 { 512 ID_AHA_3940AU, 513 ID_ALL_MASK, 514 "Adaptec 3940A Ultra SCSI adapter", 515 ahc_aic7895_setup 516 }, 517 { 518 ID_AHA_3944AU, 519 ID_ALL_MASK, 520 "Adaptec 3944A Ultra SCSI adapter", 521 ahc_aic7895_setup 522 }, 523 { 524 ID_AIC7895_ARO, 525 ID_AIC7895_ARO_MASK, 526 "Adaptec aic7895 Ultra SCSI adapter (ARO)", 527 ahc_aic7895_setup 528 }, 529 /* aic7896/97 based controllers */ 530 { 531 ID_AHA_3950U2B_0, 532 ID_ALL_MASK, 533 "Adaptec 3950B Ultra2 SCSI adapter", 534 ahc_aic7896_setup 535 }, 536 { 537 ID_AHA_3950U2B_1, 538 ID_ALL_MASK, 539 "Adaptec 3950B Ultra2 SCSI adapter", 540 ahc_aic7896_setup 541 }, 542 { 543 ID_AHA_3950U2D_0, 544 ID_ALL_MASK, 545 "Adaptec 3950D Ultra2 SCSI adapter", 546 ahc_aic7896_setup 547 }, 548 { 549 ID_AHA_3950U2D_1, 550 ID_ALL_MASK, 551 "Adaptec 3950D Ultra2 SCSI adapter", 552 ahc_aic7896_setup 553 }, 554 { 555 ID_AIC7896_ARO, 556 ID_ALL_MASK, 557 "Adaptec aic7896/97 Ultra2 SCSI adapter (ARO)", 558 ahc_aic7896_setup 559 }, 560 /* aic7899 based controllers */ 561 { 562 ID_AHA_3960D, 563 ID_ALL_MASK, 564 "Adaptec 3960D Ultra160 SCSI adapter", 565 ahc_aic7899_setup 566 }, 567 { 568 ID_AHA_3960D_CPQ, 569 ID_ALL_MASK, 570 "Adaptec (Compaq OEM) 3960D Ultra160 SCSI adapter", 571 ahc_aic7899_setup 572 }, 573 { 574 ID_AIC7899_ARO, 575 ID_ALL_MASK, 576 "Adaptec aic7899 Ultra160 SCSI adapter (ARO)", 577 ahc_aic7899_setup 578 }, 579 /* Generic chip probes for devices we don't know 'exactly' */ 580 { 581 ID_AIC7850 & ID_DEV_VENDOR_MASK, 582 ID_DEV_VENDOR_MASK, 583 "Adaptec aic7850 SCSI adapter", 584 ahc_aic785X_setup 585 }, 586 { 587 ID_AIC7855 & ID_DEV_VENDOR_MASK, 588 ID_DEV_VENDOR_MASK, 589 "Adaptec aic7855 SCSI adapter", 590 ahc_aic785X_setup 591 }, 592 { 593 ID_AIC7859 & ID_DEV_VENDOR_MASK, 594 ID_DEV_VENDOR_MASK, 595 "Adaptec aic7859 SCSI adapter", 596 ahc_aic7860_setup 597 }, 598 { 599 ID_AIC7860 & ID_DEV_VENDOR_MASK, 600 ID_DEV_VENDOR_MASK, 601 "Adaptec aic7860 Ultra SCSI adapter", 602 ahc_aic7860_setup 603 }, 604 { 605 ID_AIC7870 & ID_DEV_VENDOR_MASK, 606 ID_DEV_VENDOR_MASK, 607 "Adaptec aic7870 SCSI adapter", 608 ahc_aic7870_setup 609 }, 610 { 611 ID_AIC7880 & ID_DEV_VENDOR_MASK, 612 ID_DEV_VENDOR_MASK, 613 "Adaptec aic7880 Ultra SCSI adapter", 614 ahc_aic7880_setup 615 }, 616 { 617 ID_AIC7890 & ID_9005_GENERIC_MASK, 618 ID_9005_GENERIC_MASK, 619 "Adaptec aic7890/91 Ultra2 SCSI adapter", 620 ahc_aic7890_setup 621 }, 622 { 623 ID_AIC7892 & ID_9005_GENERIC_MASK, 624 ID_9005_GENERIC_MASK, 625 "Adaptec aic7892 Ultra160 SCSI adapter", 626 ahc_aic7892_setup 627 }, 628 { 629 ID_AIC7895 & ID_DEV_VENDOR_MASK, 630 ID_DEV_VENDOR_MASK, 631 "Adaptec aic7895 Ultra SCSI adapter", 632 ahc_aic7895_setup 633 }, 634 { 635 ID_AIC7896 & ID_9005_GENERIC_MASK, 636 ID_9005_GENERIC_MASK, 637 "Adaptec aic7896/97 Ultra2 SCSI adapter", 638 ahc_aic7896_setup 639 }, 640 { 641 ID_AIC7899 & ID_9005_GENERIC_MASK, 642 ID_9005_GENERIC_MASK, 643 "Adaptec aic7899 Ultra160 SCSI adapter", 644 ahc_aic7899_setup 645 }, 646 { 647 ID_AIC7810 & ID_DEV_VENDOR_MASK, 648 ID_DEV_VENDOR_MASK, 649 "Adaptec aic7810 RAID memory controller", 650 ahc_raid_setup 651 }, 652 { 653 ID_AIC7815 & ID_DEV_VENDOR_MASK, 654 ID_DEV_VENDOR_MASK, 655 "Adaptec aic7815 RAID memory controller", 656 ahc_raid_setup 657 } 658 }; 659 660 static const u_int ahc_num_pci_devs = NUM_ELEMENTS(ahc_pci_ident_table); 661 662 #define AHC_394X_SLOT_CHANNEL_A 4 663 #define AHC_394X_SLOT_CHANNEL_B 5 664 665 #define AHC_398X_SLOT_CHANNEL_A 4 666 #define AHC_398X_SLOT_CHANNEL_B 8 667 #define AHC_398X_SLOT_CHANNEL_C 12 668 669 #define AHC_494X_SLOT_CHANNEL_A 4 670 #define AHC_494X_SLOT_CHANNEL_B 5 671 #define AHC_494X_SLOT_CHANNEL_C 6 672 #define AHC_494X_SLOT_CHANNEL_D 7 673 674 #define DEVCONFIG 0x40 675 #define PCIERRGENDIS 0x80000000ul 676 #define SCBSIZE32 0x00010000ul /* aic789X only */ 677 #define REXTVALID 0x00001000ul /* ultra cards only */ 678 #define MPORTMODE 0x00000400ul /* aic7870+ only */ 679 #define RAMPSM 0x00000200ul /* aic7870+ only */ 680 #define VOLSENSE 0x00000100ul 681 #define PCI64BIT 0x00000080ul /* 64Bit PCI bus (Ultra2 Only)*/ 682 #define SCBRAMSEL 0x00000080ul 683 #define MRDCEN 0x00000040ul 684 #define EXTSCBTIME 0x00000020ul /* aic7870 only */ 685 #define EXTSCBPEN 0x00000010ul /* aic7870 only */ 686 #define BERREN 0x00000008ul 687 #define DACEN 0x00000004ul 688 #define STPWLEVEL 0x00000002ul 689 #define DIFACTNEGEN 0x00000001ul /* aic7870 only */ 690 691 #define CSIZE_LATTIME 0x0c 692 #define CACHESIZE 0x0000003ful /* only 5 bits */ 693 #define LATTIME 0x0000ff00ul 694 695 /* PCI STATUS definitions */ 696 #define DPE 0x80 697 #define SSE 0x40 698 #define RMA 0x20 699 #define RTA 0x10 700 #define STA 0x08 701 #define DPR 0x01 702 703 static int ahc_9005_subdevinfo_valid(uint16_t vendor, uint16_t device, 704 uint16_t subvendor, uint16_t subdevice); 705 static int ahc_ext_scbram_present(struct ahc_softc *ahc); 706 static void ahc_scbram_config(struct ahc_softc *ahc, int enable, 707 int pcheck, int fast, int large); 708 static void ahc_probe_ext_scbram(struct ahc_softc *ahc); 709 710 static void ahc_pci_intr(struct ahc_softc *); 711 712 static const struct ahc_pci_identity * 713 ahc_find_pci_device(pcireg_t id, pcireg_t subid, u_int func) 714 { 715 u_int64_t full_id; 716 const struct ahc_pci_identity *entry; 717 u_int i; 718 719 full_id = ahc_compose_id(PCI_PRODUCT(id), PCI_VENDOR(id), 720 PCI_PRODUCT(subid), PCI_VENDOR(subid)); 721 722 /* 723 * If the second function is not hooked up, ignore it. 724 * Unfortunately, not all MB vendors implement the 725 * subdevice ID as per the Adaptec spec, so do our best 726 * to sanity check it prior to accepting the subdevice 727 * ID as valid. 728 */ 729 if (func > 0 730 && ahc_9005_subdevinfo_valid(PCI_VENDOR(id), PCI_PRODUCT(id), 731 PCI_VENDOR(subid), PCI_PRODUCT(subid)) 732 && SUBID_9005_MFUNCENB(PCI_PRODUCT(subid)) == 0) 733 return (NULL); 734 735 for (i = 0; i < ahc_num_pci_devs; i++) { 736 entry = &ahc_pci_ident_table[i]; 737 if (entry->full_id == (full_id & entry->id_mask)) 738 return (entry); 739 } 740 return (NULL); 741 } 742 743 static int 744 ahc_pci_probe(struct device *parent, struct cfdata *match, void *aux) 745 { 746 struct pci_attach_args *pa = aux; 747 const struct ahc_pci_identity *entry; 748 pcireg_t subid; 749 750 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 751 entry = ahc_find_pci_device(pa->pa_id, subid, pa->pa_function); 752 return (entry != NULL && entry->setup != NULL) ? 1 : 0; 753 } 754 755 static void 756 ahc_pci_attach(struct device *parent, struct device *self, void *aux) 757 { 758 struct pci_attach_args *pa = aux; 759 const struct ahc_pci_identity *entry; 760 struct ahc_softc *ahc = (void *)self; 761 pcireg_t command; 762 u_int our_id = 0; 763 u_int sxfrctl1; 764 u_int scsiseq; 765 u_int sblkctl; 766 uint8_t dscommand0; 767 uint32_t devconfig; 768 int error; 769 pcireg_t subid; 770 int ioh_valid; 771 bus_space_tag_t st, iot; 772 bus_space_handle_t sh, ioh; 773 #ifdef AHC_ALLOW_MEMIO 774 int memh_valid; 775 bus_space_tag_t memt; 776 bus_space_handle_t memh; 777 pcireg_t memtype; 778 #endif 779 pci_intr_handle_t ih; 780 const char *intrstr; 781 struct ahc_pci_busdata *bd; 782 783 ahc_set_name(ahc, ahc->sc_dev.dv_xname); 784 ahc->parent_dmat = pa->pa_dmat; 785 786 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 787 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 788 entry = ahc_find_pci_device(pa->pa_id, subid, pa->pa_function); 789 if (entry == NULL) 790 return; 791 printf(": %s\n", entry->name); 792 793 /* Keep information about the PCI bus */ 794 bd = malloc(sizeof (struct ahc_pci_busdata), M_DEVBUF, M_NOWAIT); 795 if (bd == NULL) { 796 printf("%s: unable to allocate bus-specific data\n", 797 ahc_name(ahc)); 798 return; 799 } 800 memset(bd, 0, sizeof(struct ahc_pci_busdata)); 801 802 bd->pc = pa->pa_pc; 803 bd->tag = pa->pa_tag; 804 bd->func = pa->pa_function; 805 bd->dev = pa->pa_device; 806 bd->class = pa->pa_class; 807 808 ahc->bd = bd; 809 810 ahc->description = entry->name; 811 812 error = entry->setup(ahc); 813 if (error != 0) 814 return; 815 816 ioh_valid = 0; 817 818 #ifdef AHC_ALLOW_MEMIO 819 memh_valid = 0; 820 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, AHC_PCI_MEMADDR); 821 switch (memtype) { 822 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 823 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 824 memh_valid = (pci_mapreg_map(pa, AHC_PCI_MEMADDR, 825 memtype, 0, &memt, &memh, NULL, NULL) == 0); 826 break; 827 default: 828 memh_valid = 0; 829 } 830 #endif 831 ioh_valid = (pci_mapreg_map(pa, AHC_PCI_IOADDR, 832 PCI_MAPREG_TYPE_IO, 0, &iot, 833 &ioh, NULL, NULL) == 0); 834 #if 0 835 printf("%s: bus info: memt 0x%lx, memh 0x%lx, iot 0x%lx, ioh 0x%lx\n", 836 ahc_name(ahc), (u_long)memt, (u_long)memh, (u_long)iot, 837 (u_long)ioh); 838 #endif 839 840 if (ioh_valid) { 841 st = iot; 842 sh = ioh; 843 #ifdef AHC_ALLOW_MEMIO 844 } else if (memh_valid) { 845 st = memt; 846 sh = memh; 847 #endif 848 } else { 849 printf(": unable to map registers\n"); 850 return; 851 } 852 ahc->tag = st; 853 ahc->bsh = sh; 854 855 ahc->chip |= AHC_PCI; 856 /* 857 * Before we continue probing the card, ensure that 858 * its interrupts are *disabled*. We don't want 859 * a misstep to hang the machine in an interrupt 860 * storm. 861 */ 862 ahc_intr_enable(ahc, FALSE); 863 864 /* 865 * XXX somehow reading this once fails on some sparc64 systems. 866 * This may be a problem in the sparc64 PCI code. Doing it 867 * twice works around it. 868 */ 869 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG); 870 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG); 871 872 /* 873 * If we need to support high memory, enable dual 874 * address cycles. This bit must be set to enable 875 * high address bit generation even if we are on a 876 * 64bit bus (PCI64BIT set in devconfig). 877 */ 878 if ((ahc->flags & AHC_39BIT_ADDRESSING) != 0) { 879 880 if (1/*bootverbose*/) 881 printf("%s: Enabling 39Bit Addressing\n", 882 ahc_name(ahc)); 883 devconfig |= DACEN; 884 } 885 886 /* Ensure that pci error generation, a test feature, is disabled. */ 887 devconfig |= PCIERRGENDIS; 888 889 pci_conf_write(pa->pa_pc, pa->pa_tag, DEVCONFIG, devconfig); 890 891 /* Ensure busmastering is enabled */ 892 command |= PCI_COMMAND_MASTER_ENABLE;; 893 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); 894 895 /* 896 * Disable PCI parity error reporting. Users typically 897 * do this to work around broken PCI chipsets that get 898 * the parity timing wrong and thus generate lots of spurious 899 * errors. 900 */ 901 if ((ahc->flags & AHC_DISABLE_PCI_PERR) != 0) 902 command &= ~PCI_COMMAND_PARITY_ENABLE; 903 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); 904 905 /* On all PCI adapters, we allow SCB paging */ 906 ahc->flags |= AHC_PAGESCBS; 907 error = ahc_softc_init(ahc); 908 if (error != 0) 909 goto error_out; 910 911 ahc->bus_intr = ahc_pci_intr; 912 913 /* Remember how the card was setup in case there is no SEEPROM */ 914 if ((ahc_inb(ahc, HCNTRL) & POWRDN) == 0) { 915 ahc_pause(ahc); 916 if ((ahc->features & AHC_ULTRA2) != 0) 917 our_id = ahc_inb(ahc, SCSIID_ULTRA2) & OID; 918 else 919 our_id = ahc_inb(ahc, SCSIID) & OID; 920 sxfrctl1 = ahc_inb(ahc, SXFRCTL1) & STPWEN; 921 scsiseq = ahc_inb(ahc, SCSISEQ); 922 } else { 923 sxfrctl1 = STPWEN; 924 our_id = 7; 925 scsiseq = 0; 926 } 927 928 error = ahc_reset(ahc); 929 if (error != 0) 930 goto error_out; 931 932 if ((ahc->features & AHC_DT) != 0) { 933 u_int sfunct; 934 935 /* Perform ALT-Mode Setup */ 936 sfunct = ahc_inb(ahc, SFUNCT) & ~ALT_MODE; 937 ahc_outb(ahc, SFUNCT, sfunct | ALT_MODE); 938 ahc_outb(ahc, OPTIONMODE, 939 OPTIONMODE_DEFAULTS|AUTOACKEN|BUSFREEREV|EXPPHASEDIS); 940 ahc_outb(ahc, SFUNCT, sfunct); 941 942 /* Normal mode setup */ 943 ahc_outb(ahc, CRCCONTROL1, CRCVALCHKEN|CRCENDCHKEN|CRCREQCHKEN 944 |TARGCRCENDEN); 945 } 946 947 if (pci_intr_map(pa, &ih)) { 948 printf("%s: couldn't map interrupt\n", ahc_name(ahc)); 949 ahc_free(ahc); 950 return; 951 } 952 intrstr = pci_intr_string(pa->pa_pc, ih); 953 ahc->ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, ahc_intr, ahc); 954 if (ahc->ih == NULL) { 955 printf("%s: couldn't establish interrupt", 956 ahc->sc_dev.dv_xname); 957 if (intrstr != NULL) 958 printf(" at %s", intrstr); 959 printf("\n"); 960 ahc_free(ahc); 961 return; 962 } 963 if (intrstr != NULL) 964 printf("%s: interrupting at %s\n", ahc_name(ahc), intrstr); 965 966 dscommand0 = ahc_inb(ahc, DSCOMMAND0); 967 dscommand0 |= MPARCKEN|CACHETHEN; 968 if ((ahc->features & AHC_ULTRA2) != 0) { 969 970 /* 971 * DPARCKEN doesn't work correctly on 972 * some MBs so don't use it. 973 */ 974 dscommand0 &= ~DPARCKEN; 975 } 976 977 /* 978 * Handle chips that must have cache line 979 * streaming (dis/en)abled. 980 */ 981 if ((ahc->bugs & AHC_CACHETHEN_DIS_BUG) != 0) 982 dscommand0 |= CACHETHEN; 983 984 if ((ahc->bugs & AHC_CACHETHEN_BUG) != 0) 985 dscommand0 &= ~CACHETHEN; 986 987 ahc_outb(ahc, DSCOMMAND0, dscommand0); 988 989 ahc->pci_cachesize = 990 pci_conf_read(pa->pa_pc, pa->pa_tag, CSIZE_LATTIME) & CACHESIZE; 991 ahc->pci_cachesize *= 4; 992 993 if ((ahc->bugs & AHC_PCI_2_1_RETRY_BUG) != 0 994 && ahc->pci_cachesize == 4) { 995 pci_conf_write(pa->pa_pc, pa->pa_tag, CSIZE_LATTIME, 0); 996 ahc->pci_cachesize = 0; 997 } 998 999 /* 1000 * We cannot perform ULTRA speeds without the presence 1001 * of the external precision resistor. 1002 */ 1003 if ((ahc->features & AHC_ULTRA) != 0) { 1004 uint32_t dvconfig; 1005 1006 dvconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG); 1007 if ((dvconfig & REXTVALID) == 0) 1008 ahc->features &= ~AHC_ULTRA; 1009 } 1010 1011 ahc->seep_config = malloc(sizeof(*ahc->seep_config), 1012 M_DEVBUF, M_NOWAIT); 1013 if (ahc->seep_config == NULL) 1014 goto error_out; 1015 1016 memset(ahc->seep_config, 0, sizeof(*ahc->seep_config)); 1017 1018 /* See if we have a SEEPROM and perform auto-term */ 1019 ahc_check_extport(ahc, &sxfrctl1); 1020 1021 /* 1022 * Take the LED out of diagnostic mode 1023 */ 1024 sblkctl = ahc_inb(ahc, SBLKCTL); 1025 ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON))); 1026 1027 if ((ahc->features & AHC_ULTRA2) != 0) { 1028 ahc_outb(ahc, DFF_THRSH, RD_DFTHRSH_MAX|WR_DFTHRSH_MAX); 1029 } else { 1030 ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100); 1031 } 1032 1033 if (ahc->flags & AHC_USEDEFAULTS) { 1034 /* 1035 * PCI Adapter default setup 1036 * Should only be used if the adapter does not have 1037 * a SEEPROM. 1038 */ 1039 /* See if someone else set us up already */ 1040 if ((ahc->flags & AHC_NO_BIOS_INIT) == 0 1041 && scsiseq != 0) { 1042 prop_bool_t usetd; 1043 1044 printf("%s: Using left over BIOS settings\n", 1045 ahc_name(ahc)); 1046 ahc->flags &= ~AHC_USEDEFAULTS; 1047 /* 1048 * Ignore target device settings and use default 1049 * if BIOS initializes chip's SRAM with some 1050 * conservative settings (async, no tagged 1051 * queuing etc.) and machine dependent device 1052 * property is set. 1053 */ 1054 usetd = prop_dictionary_get( 1055 device_properties(&ahc->sc_dev), 1056 "aic7xxx-use-target-defaults"); 1057 if (usetd != NULL) { 1058 KASSERT(prop_object_type(usetd) == 1059 PROP_TYPE_BOOL); 1060 if (prop_bool_true(usetd)) 1061 ahc->flags |= AHC_USETARGETDEFAULTS; 1062 } 1063 ahc->flags |= AHC_BIOS_ENABLED; 1064 } else { 1065 /* 1066 * Assume only one connector and always turn 1067 * on termination. 1068 */ 1069 our_id = 0x07; 1070 sxfrctl1 = STPWEN; 1071 } 1072 ahc_outb(ahc, SCSICONF, our_id|ENSPCHK|RESET_SCSI); 1073 1074 ahc->our_id = our_id; 1075 } 1076 1077 /* 1078 * Take a look to see if we have external SRAM. 1079 * We currently do not attempt to use SRAM that is 1080 * shared among multiple controllers. 1081 */ 1082 ahc_probe_ext_scbram(ahc); 1083 1084 /* 1085 * Record our termination setting for the 1086 * generic initialization routine. 1087 */ 1088 if ((sxfrctl1 & STPWEN) != 0) 1089 ahc->flags |= AHC_TERM_ENB_A; 1090 1091 if (ahc_init(ahc)) 1092 goto error_out; 1093 1094 ahc_attach(ahc); 1095 1096 return; 1097 1098 error_out: 1099 ahc_free(ahc); 1100 return; 1101 } 1102 1103 CFATTACH_DECL(ahc_pci, sizeof(struct ahc_softc), 1104 ahc_pci_probe, ahc_pci_attach, NULL, NULL); 1105 1106 static int 1107 ahc_9005_subdevinfo_valid(uint16_t device, uint16_t vendor, 1108 uint16_t subdevice, uint16_t subvendor) 1109 { 1110 int result; 1111 1112 /* Default to invalid. */ 1113 result = 0; 1114 if (vendor == 0x9005 1115 && subvendor == 0x9005 1116 && subdevice != device 1117 && SUBID_9005_TYPE_KNOWN(subdevice) != 0) { 1118 1119 switch (SUBID_9005_TYPE(subdevice)) { 1120 case SUBID_9005_TYPE_MB: 1121 break; 1122 case SUBID_9005_TYPE_CARD: 1123 case SUBID_9005_TYPE_LCCARD: 1124 /* 1125 * Currently only trust Adaptec cards to 1126 * get the sub device info correct. 1127 */ 1128 if (DEVID_9005_TYPE(device) == DEVID_9005_TYPE_HBA) 1129 result = 1; 1130 break; 1131 case SUBID_9005_TYPE_RAID: 1132 break; 1133 default: 1134 break; 1135 } 1136 } 1137 return (result); 1138 } 1139 1140 1141 /* 1142 * Test for the presense of external sram in an 1143 * "unshared" configuration. 1144 */ 1145 static int 1146 ahc_ext_scbram_present(struct ahc_softc *ahc) 1147 { 1148 u_int chip; 1149 int ramps; 1150 int single_user; 1151 uint32_t devconfig; 1152 1153 chip = ahc->chip & AHC_CHIPID_MASK; 1154 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG); 1155 single_user = (devconfig & MPORTMODE) != 0; 1156 1157 if ((ahc->features & AHC_ULTRA2) != 0) 1158 ramps = (ahc_inb(ahc, DSCOMMAND0) & RAMPS) != 0; 1159 else if (chip == AHC_AIC7895 || chip == AHC_AIC7895C) 1160 /* 1161 * External SCBRAM arbitration is flakey 1162 * on these chips. Unfortunately this means 1163 * we don't use the extra SCB ram space on the 1164 * 3940AUW. 1165 */ 1166 ramps = 0; 1167 else if (chip >= AHC_AIC7870) 1168 ramps = (devconfig & RAMPSM) != 0; 1169 else 1170 ramps = 0; 1171 1172 if (ramps && single_user) 1173 return (1); 1174 return (0); 1175 } 1176 1177 /* 1178 * Enable external scbram. 1179 */ 1180 static void 1181 ahc_scbram_config(struct ahc_softc *ahc, int enable, int pcheck, 1182 int fast, int large) 1183 { 1184 uint32_t devconfig; 1185 1186 if (ahc->features & AHC_MULTI_FUNC) { 1187 /* 1188 * Set the SCB Base addr (highest address bit) 1189 * depending on which channel we are. 1190 */ 1191 ahc_outb(ahc, SCBBADDR, ahc->bd->func); 1192 } 1193 1194 ahc->flags &= ~AHC_LSCBS_ENABLED; 1195 if (large) 1196 ahc->flags |= AHC_LSCBS_ENABLED; 1197 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG); 1198 if ((ahc->features & AHC_ULTRA2) != 0) { 1199 u_int dscommand0; 1200 1201 dscommand0 = ahc_inb(ahc, DSCOMMAND0); 1202 if (enable) 1203 dscommand0 &= ~INTSCBRAMSEL; 1204 else 1205 dscommand0 |= INTSCBRAMSEL; 1206 if (large) 1207 dscommand0 &= ~USCBSIZE32; 1208 else 1209 dscommand0 |= USCBSIZE32; 1210 ahc_outb(ahc, DSCOMMAND0, dscommand0); 1211 } else { 1212 if (fast) 1213 devconfig &= ~EXTSCBTIME; 1214 else 1215 devconfig |= EXTSCBTIME; 1216 if (enable) 1217 devconfig &= ~SCBRAMSEL; 1218 else 1219 devconfig |= SCBRAMSEL; 1220 if (large) 1221 devconfig &= ~SCBSIZE32; 1222 else 1223 devconfig |= SCBSIZE32; 1224 } 1225 if (pcheck) 1226 devconfig |= EXTSCBPEN; 1227 else 1228 devconfig &= ~EXTSCBPEN; 1229 1230 pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig); 1231 } 1232 1233 /* 1234 * Take a look to see if we have external SRAM. 1235 * We currently do not attempt to use SRAM that is 1236 * shared among multiple controllers. 1237 */ 1238 static void 1239 ahc_probe_ext_scbram(struct ahc_softc *ahc) 1240 { 1241 int num_scbs; 1242 int test_num_scbs; 1243 int enable; 1244 int pcheck; 1245 int fast; 1246 int large; 1247 1248 enable = FALSE; 1249 pcheck = FALSE; 1250 fast = FALSE; 1251 large = FALSE; 1252 num_scbs = 0; 1253 1254 if (ahc_ext_scbram_present(ahc) == 0) 1255 goto done; 1256 1257 /* 1258 * Probe for the best parameters to use. 1259 */ 1260 ahc_scbram_config(ahc, /*enable*/TRUE, pcheck, fast, large); 1261 num_scbs = ahc_probe_scbs(ahc); 1262 if (num_scbs == 0) { 1263 /* The SRAM wasn't really present. */ 1264 goto done; 1265 } 1266 enable = TRUE; 1267 1268 /* 1269 * Clear any outstanding parity error 1270 * and ensure that parity error reporting 1271 * is enabled. 1272 */ 1273 ahc_outb(ahc, SEQCTL, 0); 1274 ahc_outb(ahc, CLRINT, CLRPARERR); 1275 ahc_outb(ahc, CLRINT, CLRBRKADRINT); 1276 1277 /* Now see if we can do parity */ 1278 ahc_scbram_config(ahc, enable, /*pcheck*/TRUE, fast, large); 1279 num_scbs = ahc_probe_scbs(ahc); 1280 if ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0 1281 || (ahc_inb(ahc, ERROR) & MPARERR) == 0) 1282 pcheck = TRUE; 1283 1284 /* Clear any resulting parity error */ 1285 ahc_outb(ahc, CLRINT, CLRPARERR); 1286 ahc_outb(ahc, CLRINT, CLRBRKADRINT); 1287 1288 /* Now see if we can do fast timing */ 1289 ahc_scbram_config(ahc, enable, pcheck, /*fast*/TRUE, large); 1290 test_num_scbs = ahc_probe_scbs(ahc); 1291 if (test_num_scbs == num_scbs 1292 && ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0 1293 || (ahc_inb(ahc, ERROR) & MPARERR) == 0)) 1294 fast = TRUE; 1295 1296 /* 1297 * See if we can use large SCBs and still maintain 1298 * the same overall count of SCBs. 1299 */ 1300 if ((ahc->features & AHC_LARGE_SCBS) != 0) { 1301 ahc_scbram_config(ahc, enable, pcheck, fast, /*large*/TRUE); 1302 test_num_scbs = ahc_probe_scbs(ahc); 1303 if (test_num_scbs >= num_scbs) { 1304 large = TRUE; 1305 num_scbs = test_num_scbs; 1306 if (num_scbs >= 64) { 1307 /* 1308 * We have enough space to move the 1309 * "busy targets table" into SCB space 1310 * and make it qualify all the way to the 1311 * lun level. 1312 */ 1313 ahc->flags |= AHC_SCB_BTT; 1314 } 1315 } 1316 } 1317 done: 1318 /* 1319 * Disable parity error reporting until we 1320 * can load instruction ram. 1321 */ 1322 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS); 1323 /* Clear any latched parity error */ 1324 ahc_outb(ahc, CLRINT, CLRPARERR); 1325 ahc_outb(ahc, CLRINT, CLRBRKADRINT); 1326 if (1/*bootverbose*/ && enable) { 1327 printf("%s: External SRAM, %s access%s, %dbytes/SCB\n", 1328 ahc_name(ahc), fast ? "fast" : "slow", 1329 pcheck ? ", parity checking enabled" : "", 1330 large ? 64 : 32); 1331 } 1332 ahc_scbram_config(ahc, enable, pcheck, fast, large); 1333 } 1334 1335 #if 0 1336 /* 1337 * Perform some simple tests that should catch situations where 1338 * our registers are invalidly mapped. 1339 */ 1340 static int 1341 ahc_pci_test_register_access(struct ahc_softc *ahc) 1342 { 1343 int error; 1344 u_int status1; 1345 uint32_t cmd; 1346 uint8_t hcntrl; 1347 1348 error = EIO; 1349 1350 /* 1351 * Enable PCI error interrupt status, but suppress NMIs 1352 * generated by SERR raised due to target aborts. 1353 */ 1354 cmd = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND); 1355 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND, 1356 cmd & ~PCIM_CMD_SERRESPEN); 1357 1358 /* 1359 * First a simple test to see if any 1360 * registers can be read. Reading 1361 * HCNTRL has no side effects and has 1362 * at least one bit that is guaranteed to 1363 * be zero so it is a good register to 1364 * use for this test. 1365 */ 1366 hcntrl = ahc_inb(ahc, HCNTRL); 1367 if (hcntrl == 0xFF) 1368 goto fail; 1369 1370 /* 1371 * Next create a situation where write combining 1372 * or read prefetching could be initiated by the 1373 * CPU or host bridge. Our device does not support 1374 * either, so look for data corruption and/or flagged 1375 * PCI errors. 1376 */ 1377 ahc_outb(ahc, HCNTRL, hcntrl|PAUSE); 1378 while (ahc_is_paused(ahc) == 0) 1379 ; 1380 ahc_outb(ahc, SEQCTL, PERRORDIS); 1381 ahc_outb(ahc, SCBPTR, 0); 1382 ahc_outl(ahc, SCB_BASE, 0x5aa555aa); 1383 if (ahc_inl(ahc, SCB_BASE) != 0x5aa555aa) 1384 goto fail; 1385 1386 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag, 1387 PCI_COMMAND_STATUS_REG + 1); 1388 if ((status1 & STA) != 0) 1389 goto fail; 1390 1391 error = 0; 1392 1393 fail: 1394 /* Silently clear any latched errors. */ 1395 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag, 1396 PCI_COMMAND_STATUS_REG + 1); 1397 ahc_pci_write_config(ahc->dev_softc, PCIR_STATUS + 1, 1398 status1, /*bytes*/1); 1399 ahc_outb(ahc, CLRINT, CLRPARERR); 1400 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS); 1401 ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, cmd, /*bytes*/2); 1402 return (error); 1403 } 1404 #endif 1405 1406 static void 1407 ahc_pci_intr(struct ahc_softc *ahc) 1408 { 1409 u_int error; 1410 u_int status1; 1411 1412 error = ahc_inb(ahc, ERROR); 1413 if ((error & PCIERRSTAT) == 0) 1414 return; 1415 1416 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag, 1417 PCI_COMMAND_STATUS_REG); 1418 1419 printf("%s: PCI error Interrupt at seqaddr = 0x%x\n", 1420 ahc_name(ahc), 1421 ahc_inb(ahc, SEQADDR0) | (ahc_inb(ahc, SEQADDR1) << 8)); 1422 1423 if (status1 & DPE) { 1424 printf("%s: Data Parity Error Detected during address " 1425 "or write data phase\n", ahc_name(ahc)); 1426 } 1427 if (status1 & SSE) { 1428 printf("%s: Signal System Error Detected\n", ahc_name(ahc)); 1429 } 1430 if (status1 & RMA) { 1431 printf("%s: Received a Master Abort\n", ahc_name(ahc)); 1432 } 1433 if (status1 & RTA) { 1434 printf("%s: Received a Target Abort\n", ahc_name(ahc)); 1435 } 1436 if (status1 & STA) { 1437 printf("%s: Signaled a Target Abort\n", ahc_name(ahc)); 1438 } 1439 if (status1 & DPR) { 1440 printf("%s: Data Parity Error has been reported via PERR#\n", 1441 ahc_name(ahc)); 1442 } 1443 1444 /* Clear latched errors. */ 1445 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG, 1446 status1); 1447 1448 if ((status1 & (DPE|SSE|RMA|RTA|STA|DPR)) == 0) { 1449 printf("%s: Latched PCIERR interrupt with " 1450 "no status bits set\n", ahc_name(ahc)); 1451 } else { 1452 ahc_outb(ahc, CLRINT, CLRPARERR); 1453 } 1454 1455 ahc_unpause(ahc); 1456 } 1457 1458 static int 1459 ahc_aic785X_setup(struct ahc_softc *ahc) 1460 { 1461 uint8_t rev; 1462 1463 ahc->channel = 'A'; 1464 ahc->chip = AHC_AIC7850; 1465 ahc->features = AHC_AIC7850_FE; 1466 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG; 1467 rev = PCI_REVISION(ahc->bd->class); 1468 if (rev >= 1) 1469 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG; 1470 return (0); 1471 } 1472 1473 static int 1474 ahc_aic7860_setup(struct ahc_softc *ahc) 1475 { 1476 uint8_t rev; 1477 1478 ahc->channel = 'A'; 1479 ahc->chip = AHC_AIC7860; 1480 ahc->features = AHC_AIC7860_FE; 1481 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG; 1482 rev = PCI_REVISION(ahc->bd->class); 1483 if (rev >= 1) 1484 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG; 1485 return (0); 1486 } 1487 1488 static int 1489 ahc_apa1480_setup(struct ahc_softc *ahc) 1490 { 1491 int error; 1492 1493 error = ahc_aic7860_setup(ahc); 1494 if (error != 0) 1495 return (error); 1496 ahc->features |= AHC_REMOVABLE; 1497 return (0); 1498 } 1499 1500 static int 1501 ahc_aic7870_setup(struct ahc_softc *ahc) 1502 { 1503 1504 ahc->channel = 'A'; 1505 ahc->chip = AHC_AIC7870; 1506 ahc->features = AHC_AIC7870_FE; 1507 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG; 1508 return (0); 1509 } 1510 1511 static int 1512 ahc_aha394X_setup(struct ahc_softc *ahc) 1513 { 1514 int error; 1515 1516 error = ahc_aic7870_setup(ahc); 1517 if (error == 0) 1518 error = ahc_aha394XX_setup(ahc); 1519 return (error); 1520 } 1521 1522 static int 1523 ahc_aha398X_setup(struct ahc_softc *ahc) 1524 { 1525 int error; 1526 1527 error = ahc_aic7870_setup(ahc); 1528 if (error == 0) 1529 error = ahc_aha398XX_setup(ahc); 1530 return (error); 1531 } 1532 1533 static int 1534 ahc_aha494X_setup(struct ahc_softc *ahc) 1535 { 1536 int error; 1537 1538 error = ahc_aic7870_setup(ahc); 1539 if (error == 0) 1540 error = ahc_aha494XX_setup(ahc); 1541 return (error); 1542 } 1543 1544 static int 1545 ahc_aic7880_setup(struct ahc_softc *ahc) 1546 { 1547 uint8_t rev; 1548 1549 ahc->channel = 'A'; 1550 ahc->chip = AHC_AIC7880; 1551 ahc->features = AHC_AIC7880_FE; 1552 ahc->bugs |= AHC_TMODE_WIDEODD_BUG; 1553 rev = PCI_REVISION(ahc->bd->class); 1554 if (rev >= 1) { 1555 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG; 1556 } else { 1557 ahc->bugs |= AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG; 1558 } 1559 return (0); 1560 } 1561 1562 static int 1563 ahc_aha2940Pro_setup(struct ahc_softc *ahc) 1564 { 1565 1566 ahc->flags |= AHC_INT50_SPEEDFLEX; 1567 return (ahc_aic7880_setup(ahc)); 1568 } 1569 1570 static int 1571 ahc_aha394XU_setup(struct ahc_softc *ahc) 1572 { 1573 int error; 1574 1575 error = ahc_aic7880_setup(ahc); 1576 if (error == 0) 1577 error = ahc_aha394XX_setup(ahc); 1578 return (error); 1579 } 1580 1581 static int 1582 ahc_aha398XU_setup(struct ahc_softc *ahc) 1583 { 1584 int error; 1585 1586 error = ahc_aic7880_setup(ahc); 1587 if (error == 0) 1588 error = ahc_aha398XX_setup(ahc); 1589 return (error); 1590 } 1591 1592 static int 1593 ahc_aic7890_setup(struct ahc_softc *ahc) 1594 { 1595 uint8_t rev; 1596 1597 ahc->channel = 'A'; 1598 ahc->chip = AHC_AIC7890; 1599 ahc->features = AHC_AIC7890_FE; 1600 ahc->flags |= AHC_NEWEEPROM_FMT; 1601 rev = PCI_REVISION(ahc->bd->class); 1602 if (rev == 0) 1603 ahc->bugs |= AHC_AUTOFLUSH_BUG|AHC_CACHETHEN_BUG; 1604 return (0); 1605 } 1606 1607 static int 1608 ahc_aic7892_setup(struct ahc_softc *ahc) 1609 { 1610 1611 ahc->channel = 'A'; 1612 ahc->chip = AHC_AIC7892; 1613 ahc->features = AHC_AIC7892_FE; 1614 ahc->flags |= AHC_NEWEEPROM_FMT; 1615 ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG; 1616 return (0); 1617 } 1618 1619 static int 1620 ahc_aic7895_setup(struct ahc_softc *ahc) 1621 { 1622 uint8_t rev; 1623 1624 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A'; 1625 /* 1626 * The 'C' revision of the aic7895 has a few additional features. 1627 */ 1628 rev = PCI_REVISION(ahc->bd->class); 1629 if (rev >= 4) { 1630 ahc->chip = AHC_AIC7895C; 1631 ahc->features = AHC_AIC7895C_FE; 1632 } else { 1633 u_int command; 1634 1635 ahc->chip = AHC_AIC7895; 1636 ahc->features = AHC_AIC7895_FE; 1637 1638 /* 1639 * The BIOS disables the use of MWI transactions 1640 * since it does not have the MWI bug work around 1641 * we have. Disabling MWI reduces performance, so 1642 * turn it on again. 1643 */ 1644 command = pci_conf_read(ahc->bd->pc, ahc->bd->tag, 1645 PCI_COMMAND_STATUS_REG); 1646 command |= PCI_COMMAND_INVALIDATE_ENABLE; 1647 pci_conf_write(ahc->bd->pc, ahc->bd->tag, 1648 PCI_COMMAND_STATUS_REG, command); 1649 ahc->bugs |= AHC_PCI_MWI_BUG; 1650 } 1651 /* 1652 * XXX Does CACHETHEN really not work??? What about PCI retry? 1653 * on C level chips. Need to test, but for now, play it safe. 1654 */ 1655 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_PCI_2_1_RETRY_BUG 1656 | AHC_CACHETHEN_BUG; 1657 1658 #if 0 1659 uint32_t devconfig; 1660 1661 /* 1662 * Cachesize must also be zero due to stray DAC 1663 * problem when sitting behind some bridges. 1664 */ 1665 pci_conf_write(ahc->bd->pc, ahc->bd->tag, CSIZE_LATTIME, 0); 1666 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG); 1667 devconfig |= MRDCEN; 1668 pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig); 1669 #endif 1670 ahc->flags |= AHC_NEWEEPROM_FMT; 1671 return (0); 1672 } 1673 1674 static int 1675 ahc_aic7896_setup(struct ahc_softc *ahc) 1676 { 1677 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A'; 1678 ahc->chip = AHC_AIC7896; 1679 ahc->features = AHC_AIC7896_FE; 1680 ahc->flags |= AHC_NEWEEPROM_FMT; 1681 ahc->bugs |= AHC_CACHETHEN_DIS_BUG; 1682 return (0); 1683 } 1684 1685 static int 1686 ahc_aic7899_setup(struct ahc_softc *ahc) 1687 { 1688 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A'; 1689 ahc->chip = AHC_AIC7899; 1690 ahc->features = AHC_AIC7899_FE; 1691 ahc->flags |= AHC_NEWEEPROM_FMT; 1692 ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG; 1693 return (0); 1694 } 1695 1696 static int 1697 ahc_aha29160C_setup(struct ahc_softc *ahc) 1698 { 1699 int error; 1700 1701 error = ahc_aic7899_setup(ahc); 1702 if (error != 0) 1703 return (error); 1704 ahc->features |= AHC_REMOVABLE; 1705 return (0); 1706 } 1707 1708 static int 1709 ahc_raid_setup(struct ahc_softc *ahc) 1710 { 1711 printf("RAID functionality unsupported\n"); 1712 return (ENXIO); 1713 } 1714 1715 static int 1716 ahc_aha394XX_setup(struct ahc_softc *ahc) 1717 { 1718 1719 switch (ahc->bd->dev) { 1720 case AHC_394X_SLOT_CHANNEL_A: 1721 ahc->channel = 'A'; 1722 break; 1723 case AHC_394X_SLOT_CHANNEL_B: 1724 ahc->channel = 'B'; 1725 break; 1726 default: 1727 printf("adapter at unexpected slot %d\n" 1728 "unable to map to a channel\n", 1729 ahc->bd->dev); 1730 ahc->channel = 'A'; 1731 } 1732 return (0); 1733 } 1734 1735 static int 1736 ahc_aha398XX_setup(struct ahc_softc *ahc) 1737 { 1738 1739 switch (ahc->bd->dev) { 1740 case AHC_398X_SLOT_CHANNEL_A: 1741 ahc->channel = 'A'; 1742 break; 1743 case AHC_398X_SLOT_CHANNEL_B: 1744 ahc->channel = 'B'; 1745 break; 1746 case AHC_398X_SLOT_CHANNEL_C: 1747 ahc->channel = 'C'; 1748 break; 1749 default: 1750 printf("adapter at unexpected slot %d\n" 1751 "unable to map to a channel\n", 1752 ahc->bd->dev); 1753 ahc->channel = 'A'; 1754 break; 1755 } 1756 ahc->flags |= AHC_LARGE_SEEPROM; 1757 return (0); 1758 } 1759 1760 static int 1761 ahc_aha494XX_setup(struct ahc_softc *ahc) 1762 { 1763 1764 switch (ahc->bd->dev) { 1765 case AHC_494X_SLOT_CHANNEL_A: 1766 ahc->channel = 'A'; 1767 break; 1768 case AHC_494X_SLOT_CHANNEL_B: 1769 ahc->channel = 'B'; 1770 break; 1771 case AHC_494X_SLOT_CHANNEL_C: 1772 ahc->channel = 'C'; 1773 break; 1774 case AHC_494X_SLOT_CHANNEL_D: 1775 ahc->channel = 'D'; 1776 break; 1777 default: 1778 printf("adapter at unexpected slot %d\n" 1779 "unable to map to a channel\n", 1780 ahc->bd->dev); 1781 ahc->channel = 'A'; 1782 } 1783 ahc->flags |= AHC_LARGE_SEEPROM; 1784 return (0); 1785 } 1786