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 1.70 2014/03/29 19:28:24 christos 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 1.70 2014/03/29 19:28:24 christos 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 <sys/bus.h> 64 #include <sys/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(device_t parent, cfdata_t 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(device_t parent, device_t self, void *aux) 757 { 758 struct pci_attach_args *pa = aux; 759 const struct ahc_pci_identity *entry; 760 struct ahc_softc *ahc = device_private(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 bool override_ultra; 783 char intrbuf[PCI_INTRSTR_LEN]; 784 785 ahc->sc_dev = self; 786 ahc_set_name(ahc, device_xname(ahc->sc_dev)); 787 ahc->parent_dmat = pa->pa_dmat; 788 789 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 790 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 791 entry = ahc_find_pci_device(pa->pa_id, subid, pa->pa_function); 792 if (entry == NULL) 793 return; 794 printf(": %s\n", entry->name); 795 796 /* Keep information about the PCI bus */ 797 bd = malloc(sizeof (struct ahc_pci_busdata), M_DEVBUF, M_NOWAIT); 798 if (bd == NULL) { 799 printf("%s: unable to allocate bus-specific data\n", 800 ahc_name(ahc)); 801 return; 802 } 803 memset(bd, 0, sizeof(struct ahc_pci_busdata)); 804 805 bd->pc = pa->pa_pc; 806 bd->tag = pa->pa_tag; 807 bd->func = pa->pa_function; 808 bd->dev = pa->pa_device; 809 bd->class = pa->pa_class; 810 811 ahc->bd = bd; 812 813 ahc->description = entry->name; 814 815 error = entry->setup(ahc); 816 if (error != 0) 817 return; 818 819 ioh_valid = 0; 820 821 #ifdef AHC_ALLOW_MEMIO 822 memh_valid = 0; 823 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, AHC_PCI_MEMADDR); 824 switch (memtype) { 825 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 826 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 827 memh_valid = (pci_mapreg_map(pa, AHC_PCI_MEMADDR, 828 memtype, 0, &memt, &memh, NULL, NULL) == 0); 829 break; 830 default: 831 memh_valid = 0; 832 } 833 #endif 834 ioh_valid = (pci_mapreg_map(pa, AHC_PCI_IOADDR, 835 PCI_MAPREG_TYPE_IO, 0, &iot, 836 &ioh, NULL, NULL) == 0); 837 838 #if 0 839 printf("%s: bus info: memt 0x%lx, memh 0x%lx, iot 0x%lx, ioh 0x%lx\n", 840 ahc_name(ahc), (u_long)memt, (u_long)memh, (u_long)iot, 841 (u_long)ioh); 842 #endif 843 844 #ifdef AHC_ALLOW_MEMIO 845 if (memh_valid) { 846 st = memt; 847 sh = memh; 848 } else 849 #endif 850 if (ioh_valid) { 851 st = iot; 852 sh = ioh; 853 } else { 854 printf(": unable to map registers\n"); 855 return; 856 } 857 ahc->tag = st; 858 ahc->bsh = sh; 859 860 ahc->chip |= AHC_PCI; 861 /* 862 * Before we continue probing the card, ensure that 863 * its interrupts are *disabled*. We don't want 864 * a misstep to hang the machine in an interrupt 865 * storm. 866 */ 867 ahc_intr_enable(ahc, FALSE); 868 869 /* 870 * XXX somehow reading this once fails on some sparc64 systems. 871 * This may be a problem in the sparc64 PCI code. Doing it 872 * twice works around it. 873 */ 874 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG); 875 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG); 876 877 /* 878 * If we need to support high memory, enable dual 879 * address cycles. This bit must be set to enable 880 * high address bit generation even if we are on a 881 * 64bit bus (PCI64BIT set in devconfig). 882 */ 883 if ((ahc->flags & AHC_39BIT_ADDRESSING) != 0) { 884 885 if (1/*bootverbose*/) 886 printf("%s: Enabling 39Bit Addressing\n", 887 ahc_name(ahc)); 888 devconfig |= DACEN; 889 } 890 891 /* Ensure that pci error generation, a test feature, is disabled. */ 892 devconfig |= PCIERRGENDIS; 893 894 pci_conf_write(pa->pa_pc, pa->pa_tag, DEVCONFIG, devconfig); 895 896 /* Ensure busmastering is enabled */ 897 command |= PCI_COMMAND_MASTER_ENABLE; 898 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); 899 900 /* 901 * Disable PCI parity error reporting. Users typically 902 * do this to work around broken PCI chipsets that get 903 * the parity timing wrong and thus generate lots of spurious 904 * errors. 905 */ 906 if ((ahc->flags & AHC_DISABLE_PCI_PERR) != 0) 907 command &= ~PCI_COMMAND_PARITY_ENABLE; 908 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); 909 910 /* On all PCI adapters, we allow SCB paging */ 911 ahc->flags |= AHC_PAGESCBS; 912 error = ahc_softc_init(ahc); 913 if (error != 0) 914 goto error_out; 915 916 ahc->bus_intr = ahc_pci_intr; 917 918 /* Remember how the card was setup in case there is no SEEPROM */ 919 if ((ahc_inb(ahc, HCNTRL) & POWRDN) == 0) { 920 ahc_pause(ahc); 921 if ((ahc->features & AHC_ULTRA2) != 0) 922 our_id = ahc_inb(ahc, SCSIID_ULTRA2) & OID; 923 else 924 our_id = ahc_inb(ahc, SCSIID) & OID; 925 sxfrctl1 = ahc_inb(ahc, SXFRCTL1) & STPWEN; 926 scsiseq = ahc_inb(ahc, SCSISEQ); 927 } else { 928 sxfrctl1 = STPWEN; 929 our_id = 7; 930 scsiseq = 0; 931 } 932 933 error = ahc_reset(ahc); 934 if (error != 0) 935 goto error_out; 936 937 if ((ahc->features & AHC_DT) != 0) { 938 u_int sfunct; 939 940 /* Perform ALT-Mode Setup */ 941 sfunct = ahc_inb(ahc, SFUNCT) & ~ALT_MODE; 942 ahc_outb(ahc, SFUNCT, sfunct | ALT_MODE); 943 ahc_outb(ahc, OPTIONMODE, 944 OPTIONMODE_DEFAULTS|AUTOACKEN|BUSFREEREV|EXPPHASEDIS); 945 ahc_outb(ahc, SFUNCT, sfunct); 946 947 /* Normal mode setup */ 948 ahc_outb(ahc, CRCCONTROL1, CRCVALCHKEN|CRCENDCHKEN|CRCREQCHKEN 949 |TARGCRCENDEN); 950 } 951 952 if (pci_intr_map(pa, &ih)) { 953 printf("%s: couldn't map interrupt\n", ahc_name(ahc)); 954 ahc_free(ahc); 955 return; 956 } 957 intrstr = pci_intr_string(pa->pa_pc, ih, intrbuf, sizeof(intrbuf)); 958 ahc->ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, ahc_intr, ahc); 959 if (ahc->ih == NULL) { 960 aprint_error_dev(ahc->sc_dev, 961 "couldn't establish interrupt\n"); 962 if (intrstr != NULL) 963 aprint_error(" at %s", intrstr); 964 aprint_error("\n"); 965 ahc_free(ahc); 966 return; 967 } 968 if (intrstr != NULL) 969 printf("%s: interrupting at %s\n", ahc_name(ahc), intrstr); 970 971 dscommand0 = ahc_inb(ahc, DSCOMMAND0); 972 dscommand0 |= MPARCKEN|CACHETHEN; 973 if ((ahc->features & AHC_ULTRA2) != 0) { 974 975 /* 976 * DPARCKEN doesn't work correctly on 977 * some MBs so don't use it. 978 */ 979 dscommand0 &= ~DPARCKEN; 980 } 981 982 /* 983 * Handle chips that must have cache line 984 * streaming (dis/en)abled. 985 */ 986 if ((ahc->bugs & AHC_CACHETHEN_DIS_BUG) != 0) 987 dscommand0 |= CACHETHEN; 988 989 if ((ahc->bugs & AHC_CACHETHEN_BUG) != 0) 990 dscommand0 &= ~CACHETHEN; 991 992 ahc_outb(ahc, DSCOMMAND0, dscommand0); 993 994 ahc->pci_cachesize = 995 pci_conf_read(pa->pa_pc, pa->pa_tag, CSIZE_LATTIME) & CACHESIZE; 996 ahc->pci_cachesize *= 4; 997 998 if ((ahc->bugs & AHC_PCI_2_1_RETRY_BUG) != 0 999 && ahc->pci_cachesize == 4) { 1000 pci_conf_write(pa->pa_pc, pa->pa_tag, CSIZE_LATTIME, 0); 1001 ahc->pci_cachesize = 0; 1002 } 1003 1004 /* 1005 * We cannot perform ULTRA speeds without the presence 1006 * of the external precision resistor. 1007 * Allow override for the SGI O2 though, which has two onboard ahc 1008 * that fail here but are perfectly capable of ultra speeds. 1009 */ 1010 override_ultra = FALSE; 1011 prop_dictionary_get_bool(device_properties(self), 1012 "aic7xxx-override-ultra", &override_ultra); 1013 1014 if (((ahc->features & AHC_ULTRA) != 0) && (!override_ultra)) { 1015 uint32_t dvconfig; 1016 1017 dvconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG); 1018 if ((dvconfig & REXTVALID) == 0) 1019 ahc->features &= ~AHC_ULTRA; 1020 } 1021 1022 ahc->seep_config = malloc(sizeof(*ahc->seep_config), 1023 M_DEVBUF, M_NOWAIT); 1024 if (ahc->seep_config == NULL) 1025 goto error_out; 1026 1027 memset(ahc->seep_config, 0, sizeof(*ahc->seep_config)); 1028 1029 /* See if we have a SEEPROM and perform auto-term */ 1030 ahc_check_extport(ahc, &sxfrctl1); 1031 1032 /* 1033 * Take the LED out of diagnostic mode 1034 */ 1035 sblkctl = ahc_inb(ahc, SBLKCTL); 1036 ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON))); 1037 1038 if ((ahc->features & AHC_ULTRA2) != 0) { 1039 ahc_outb(ahc, DFF_THRSH, RD_DFTHRSH_MAX|WR_DFTHRSH_MAX); 1040 } else { 1041 ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100); 1042 } 1043 1044 if (ahc->flags & AHC_USEDEFAULTS) { 1045 /* 1046 * PCI Adapter default setup 1047 * Should only be used if the adapter does not have 1048 * a SEEPROM. 1049 */ 1050 /* See if someone else set us up already */ 1051 if ((ahc->flags & AHC_NO_BIOS_INIT) == 0 1052 && scsiseq != 0) { 1053 prop_bool_t usetd; 1054 1055 printf("%s: Using left over BIOS settings\n", 1056 ahc_name(ahc)); 1057 ahc->flags &= ~AHC_USEDEFAULTS; 1058 /* 1059 * Ignore target device settings and use default 1060 * if BIOS initializes chip's SRAM with some 1061 * conservative settings (async, no tagged 1062 * queuing etc.) and machine dependent device 1063 * property is set. 1064 */ 1065 usetd = prop_dictionary_get( 1066 device_properties(ahc->sc_dev), 1067 "aic7xxx-use-target-defaults"); 1068 if (usetd != NULL) { 1069 KASSERT(prop_object_type(usetd) == 1070 PROP_TYPE_BOOL); 1071 if (prop_bool_true(usetd)) 1072 ahc->flags |= AHC_USETARGETDEFAULTS; 1073 } 1074 ahc->flags |= AHC_BIOS_ENABLED; 1075 } else { 1076 /* 1077 * Assume only one connector and always turn 1078 * on termination. 1079 */ 1080 our_id = 0x07; 1081 sxfrctl1 = STPWEN; 1082 } 1083 ahc_outb(ahc, SCSICONF, our_id|ENSPCHK|RESET_SCSI); 1084 1085 ahc->our_id = our_id; 1086 } 1087 1088 /* 1089 * Take a look to see if we have external SRAM. 1090 * We currently do not attempt to use SRAM that is 1091 * shared among multiple controllers. 1092 */ 1093 ahc_probe_ext_scbram(ahc); 1094 1095 /* 1096 * Record our termination setting for the 1097 * generic initialization routine. 1098 */ 1099 if ((sxfrctl1 & STPWEN) != 0) 1100 ahc->flags |= AHC_TERM_ENB_A; 1101 1102 if (ahc_init(ahc)) 1103 goto error_out; 1104 1105 ahc_attach(ahc); 1106 1107 return; 1108 1109 error_out: 1110 ahc_free(ahc); 1111 return; 1112 } 1113 1114 CFATTACH_DECL_NEW(ahc_pci, sizeof(struct ahc_softc), 1115 ahc_pci_probe, ahc_pci_attach, NULL, NULL); 1116 1117 static int 1118 ahc_9005_subdevinfo_valid(uint16_t device, uint16_t vendor, 1119 uint16_t subdevice, uint16_t subvendor) 1120 { 1121 int result; 1122 1123 /* Default to invalid. */ 1124 result = 0; 1125 if (vendor == 0x9005 1126 && subvendor == 0x9005 1127 && subdevice != device 1128 && SUBID_9005_TYPE_KNOWN(subdevice) != 0) { 1129 1130 switch (SUBID_9005_TYPE(subdevice)) { 1131 case SUBID_9005_TYPE_MB: 1132 break; 1133 case SUBID_9005_TYPE_CARD: 1134 case SUBID_9005_TYPE_LCCARD: 1135 /* 1136 * Currently only trust Adaptec cards to 1137 * get the sub device info correct. 1138 */ 1139 if (DEVID_9005_TYPE(device) == DEVID_9005_TYPE_HBA) 1140 result = 1; 1141 break; 1142 case SUBID_9005_TYPE_RAID: 1143 break; 1144 default: 1145 break; 1146 } 1147 } 1148 return (result); 1149 } 1150 1151 1152 /* 1153 * Test for the presense of external sram in an 1154 * "unshared" configuration. 1155 */ 1156 static int 1157 ahc_ext_scbram_present(struct ahc_softc *ahc) 1158 { 1159 u_int chip; 1160 int ramps; 1161 int single_user; 1162 uint32_t devconfig; 1163 1164 chip = ahc->chip & AHC_CHIPID_MASK; 1165 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG); 1166 single_user = (devconfig & MPORTMODE) != 0; 1167 1168 if ((ahc->features & AHC_ULTRA2) != 0) 1169 ramps = (ahc_inb(ahc, DSCOMMAND0) & RAMPS) != 0; 1170 else if (chip == AHC_AIC7895 || chip == AHC_AIC7895C) 1171 /* 1172 * External SCBRAM arbitration is flakey 1173 * on these chips. Unfortunately this means 1174 * we don't use the extra SCB ram space on the 1175 * 3940AUW. 1176 */ 1177 ramps = 0; 1178 else if (chip >= AHC_AIC7870) 1179 ramps = (devconfig & RAMPSM) != 0; 1180 else 1181 ramps = 0; 1182 1183 if (ramps && single_user) 1184 return (1); 1185 return (0); 1186 } 1187 1188 /* 1189 * Enable external scbram. 1190 */ 1191 static void 1192 ahc_scbram_config(struct ahc_softc *ahc, int enable, int pcheck, 1193 int fast, int large) 1194 { 1195 uint32_t devconfig; 1196 1197 if (ahc->features & AHC_MULTI_FUNC) { 1198 /* 1199 * Set the SCB Base addr (highest address bit) 1200 * depending on which channel we are. 1201 */ 1202 ahc_outb(ahc, SCBBADDR, ahc->bd->func); 1203 } 1204 1205 ahc->flags &= ~AHC_LSCBS_ENABLED; 1206 if (large) 1207 ahc->flags |= AHC_LSCBS_ENABLED; 1208 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG); 1209 if ((ahc->features & AHC_ULTRA2) != 0) { 1210 u_int dscommand0; 1211 1212 dscommand0 = ahc_inb(ahc, DSCOMMAND0); 1213 if (enable) 1214 dscommand0 &= ~INTSCBRAMSEL; 1215 else 1216 dscommand0 |= INTSCBRAMSEL; 1217 if (large) 1218 dscommand0 &= ~USCBSIZE32; 1219 else 1220 dscommand0 |= USCBSIZE32; 1221 ahc_outb(ahc, DSCOMMAND0, dscommand0); 1222 } else { 1223 if (fast) 1224 devconfig &= ~EXTSCBTIME; 1225 else 1226 devconfig |= EXTSCBTIME; 1227 if (enable) 1228 devconfig &= ~SCBRAMSEL; 1229 else 1230 devconfig |= SCBRAMSEL; 1231 if (large) 1232 devconfig &= ~SCBSIZE32; 1233 else 1234 devconfig |= SCBSIZE32; 1235 } 1236 if (pcheck) 1237 devconfig |= EXTSCBPEN; 1238 else 1239 devconfig &= ~EXTSCBPEN; 1240 1241 pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig); 1242 } 1243 1244 /* 1245 * Take a look to see if we have external SRAM. 1246 * We currently do not attempt to use SRAM that is 1247 * shared among multiple controllers. 1248 */ 1249 static void 1250 ahc_probe_ext_scbram(struct ahc_softc *ahc) 1251 { 1252 int num_scbs; 1253 int test_num_scbs; 1254 int enable; 1255 int pcheck; 1256 int fast; 1257 int large; 1258 1259 enable = FALSE; 1260 pcheck = FALSE; 1261 fast = FALSE; 1262 large = FALSE; 1263 num_scbs = 0; 1264 1265 if (ahc_ext_scbram_present(ahc) == 0) 1266 goto done; 1267 1268 /* 1269 * Probe for the best parameters to use. 1270 */ 1271 ahc_scbram_config(ahc, /*enable*/TRUE, pcheck, fast, large); 1272 num_scbs = ahc_probe_scbs(ahc); 1273 if (num_scbs == 0) { 1274 /* The SRAM wasn't really present. */ 1275 goto done; 1276 } 1277 enable = TRUE; 1278 1279 /* 1280 * Clear any outstanding parity error 1281 * and ensure that parity error reporting 1282 * is enabled. 1283 */ 1284 ahc_outb(ahc, SEQCTL, 0); 1285 ahc_outb(ahc, CLRINT, CLRPARERR); 1286 ahc_outb(ahc, CLRINT, CLRBRKADRINT); 1287 1288 /* Now see if we can do parity */ 1289 ahc_scbram_config(ahc, enable, /*pcheck*/TRUE, fast, large); 1290 num_scbs = ahc_probe_scbs(ahc); 1291 if ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0 1292 || (ahc_inb(ahc, ERROR) & MPARERR) == 0) 1293 pcheck = TRUE; 1294 1295 /* Clear any resulting parity error */ 1296 ahc_outb(ahc, CLRINT, CLRPARERR); 1297 ahc_outb(ahc, CLRINT, CLRBRKADRINT); 1298 1299 /* Now see if we can do fast timing */ 1300 ahc_scbram_config(ahc, enable, pcheck, /*fast*/TRUE, large); 1301 test_num_scbs = ahc_probe_scbs(ahc); 1302 if (test_num_scbs == num_scbs 1303 && ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0 1304 || (ahc_inb(ahc, ERROR) & MPARERR) == 0)) 1305 fast = TRUE; 1306 1307 /* 1308 * See if we can use large SCBs and still maintain 1309 * the same overall count of SCBs. 1310 */ 1311 if ((ahc->features & AHC_LARGE_SCBS) != 0) { 1312 ahc_scbram_config(ahc, enable, pcheck, fast, /*large*/TRUE); 1313 test_num_scbs = ahc_probe_scbs(ahc); 1314 if (test_num_scbs >= num_scbs) { 1315 large = TRUE; 1316 num_scbs = test_num_scbs; 1317 if (num_scbs >= 64) { 1318 /* 1319 * We have enough space to move the 1320 * "busy targets table" into SCB space 1321 * and make it qualify all the way to the 1322 * lun level. 1323 */ 1324 ahc->flags |= AHC_SCB_BTT; 1325 } 1326 } 1327 } 1328 done: 1329 /* 1330 * Disable parity error reporting until we 1331 * can load instruction ram. 1332 */ 1333 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS); 1334 /* Clear any latched parity error */ 1335 ahc_outb(ahc, CLRINT, CLRPARERR); 1336 ahc_outb(ahc, CLRINT, CLRBRKADRINT); 1337 if (1/*bootverbose*/ && enable) { 1338 printf("%s: External SRAM, %s access%s, %dbytes/SCB\n", 1339 ahc_name(ahc), fast ? "fast" : "slow", 1340 pcheck ? ", parity checking enabled" : "", 1341 large ? 64 : 32); 1342 } 1343 ahc_scbram_config(ahc, enable, pcheck, fast, large); 1344 } 1345 1346 #if 0 1347 /* 1348 * Perform some simple tests that should catch situations where 1349 * our registers are invalidly mapped. 1350 */ 1351 static int 1352 ahc_pci_test_register_access(struct ahc_softc *ahc) 1353 { 1354 int error; 1355 u_int status1; 1356 uint32_t cmd; 1357 uint8_t hcntrl; 1358 1359 error = EIO; 1360 1361 /* 1362 * Enable PCI error interrupt status, but suppress NMIs 1363 * generated by SERR raised due to target aborts. 1364 */ 1365 cmd = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND); 1366 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND, 1367 cmd & ~PCIM_CMD_SERRESPEN); 1368 1369 /* 1370 * First a simple test to see if any 1371 * registers can be read. Reading 1372 * HCNTRL has no side effects and has 1373 * at least one bit that is guaranteed to 1374 * be zero so it is a good register to 1375 * use for this test. 1376 */ 1377 hcntrl = ahc_inb(ahc, HCNTRL); 1378 if (hcntrl == 0xFF) 1379 goto fail; 1380 1381 /* 1382 * Next create a situation where write combining 1383 * or read prefetching could be initiated by the 1384 * CPU or host bridge. Our device does not support 1385 * either, so look for data corruption and/or flagged 1386 * PCI errors. 1387 */ 1388 ahc_outb(ahc, HCNTRL, hcntrl|PAUSE); 1389 while (ahc_is_paused(ahc) == 0) 1390 ; 1391 ahc_outb(ahc, SEQCTL, PERRORDIS); 1392 ahc_outb(ahc, SCBPTR, 0); 1393 ahc_outl(ahc, SCB_BASE, 0x5aa555aa); 1394 if (ahc_inl(ahc, SCB_BASE) != 0x5aa555aa) 1395 goto fail; 1396 1397 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag, 1398 PCI_COMMAND_STATUS_REG + 1); 1399 if ((status1 & STA) != 0) 1400 goto fail; 1401 1402 error = 0; 1403 1404 fail: 1405 /* Silently clear any latched errors. */ 1406 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag, 1407 PCI_COMMAND_STATUS_REG + 1); 1408 ahc_pci_write_config(ahc->dev_softc, PCIR_STATUS + 1, 1409 status1, /*bytes*/1); 1410 ahc_outb(ahc, CLRINT, CLRPARERR); 1411 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS); 1412 ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, cmd, /*bytes*/2); 1413 return (error); 1414 } 1415 #endif 1416 1417 static void 1418 ahc_pci_intr(struct ahc_softc *ahc) 1419 { 1420 u_int error; 1421 u_int status1; 1422 1423 error = ahc_inb(ahc, ERROR); 1424 if ((error & PCIERRSTAT) == 0) 1425 return; 1426 1427 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag, 1428 PCI_COMMAND_STATUS_REG); 1429 1430 printf("%s: PCI error Interrupt at seqaddr = 0x%x\n", 1431 ahc_name(ahc), 1432 ahc_inb(ahc, SEQADDR0) | (ahc_inb(ahc, SEQADDR1) << 8)); 1433 1434 if (status1 & DPE) { 1435 printf("%s: Data Parity Error Detected during address " 1436 "or write data phase\n", ahc_name(ahc)); 1437 } 1438 if (status1 & SSE) { 1439 printf("%s: Signal System Error Detected\n", ahc_name(ahc)); 1440 } 1441 if (status1 & RMA) { 1442 printf("%s: Received a Master Abort\n", ahc_name(ahc)); 1443 } 1444 if (status1 & RTA) { 1445 printf("%s: Received a Target Abort\n", ahc_name(ahc)); 1446 } 1447 if (status1 & STA) { 1448 printf("%s: Signaled a Target Abort\n", ahc_name(ahc)); 1449 } 1450 if (status1 & DPR) { 1451 printf("%s: Data Parity Error has been reported via PERR#\n", 1452 ahc_name(ahc)); 1453 } 1454 1455 /* Clear latched errors. */ 1456 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG, 1457 status1); 1458 1459 if ((status1 & (DPE|SSE|RMA|RTA|STA|DPR)) == 0) { 1460 printf("%s: Latched PCIERR interrupt with " 1461 "no status bits set\n", ahc_name(ahc)); 1462 } else { 1463 ahc_outb(ahc, CLRINT, CLRPARERR); 1464 } 1465 1466 ahc_unpause(ahc); 1467 } 1468 1469 static int 1470 ahc_aic785X_setup(struct ahc_softc *ahc) 1471 { 1472 uint8_t rev; 1473 1474 ahc->channel = 'A'; 1475 ahc->chip = AHC_AIC7850; 1476 ahc->features = AHC_AIC7850_FE; 1477 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG; 1478 rev = PCI_REVISION(ahc->bd->class); 1479 if (rev >= 1) 1480 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG; 1481 return (0); 1482 } 1483 1484 static int 1485 ahc_aic7860_setup(struct ahc_softc *ahc) 1486 { 1487 uint8_t rev; 1488 1489 ahc->channel = 'A'; 1490 ahc->chip = AHC_AIC7860; 1491 ahc->features = AHC_AIC7860_FE; 1492 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG; 1493 rev = PCI_REVISION(ahc->bd->class); 1494 if (rev >= 1) 1495 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG; 1496 return (0); 1497 } 1498 1499 static int 1500 ahc_apa1480_setup(struct ahc_softc *ahc) 1501 { 1502 int error; 1503 1504 error = ahc_aic7860_setup(ahc); 1505 if (error != 0) 1506 return (error); 1507 ahc->features |= AHC_REMOVABLE; 1508 return (0); 1509 } 1510 1511 static int 1512 ahc_aic7870_setup(struct ahc_softc *ahc) 1513 { 1514 1515 ahc->channel = 'A'; 1516 ahc->chip = AHC_AIC7870; 1517 ahc->features = AHC_AIC7870_FE; 1518 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG; 1519 return (0); 1520 } 1521 1522 static int 1523 ahc_aha394X_setup(struct ahc_softc *ahc) 1524 { 1525 int error; 1526 1527 error = ahc_aic7870_setup(ahc); 1528 if (error == 0) 1529 error = ahc_aha394XX_setup(ahc); 1530 return (error); 1531 } 1532 1533 static int 1534 ahc_aha398X_setup(struct ahc_softc *ahc) 1535 { 1536 int error; 1537 1538 error = ahc_aic7870_setup(ahc); 1539 if (error == 0) 1540 error = ahc_aha398XX_setup(ahc); 1541 return (error); 1542 } 1543 1544 static int 1545 ahc_aha494X_setup(struct ahc_softc *ahc) 1546 { 1547 int error; 1548 1549 error = ahc_aic7870_setup(ahc); 1550 if (error == 0) 1551 error = ahc_aha494XX_setup(ahc); 1552 return (error); 1553 } 1554 1555 static int 1556 ahc_aic7880_setup(struct ahc_softc *ahc) 1557 { 1558 uint8_t rev; 1559 1560 ahc->channel = 'A'; 1561 ahc->chip = AHC_AIC7880; 1562 ahc->features = AHC_AIC7880_FE; 1563 ahc->bugs |= AHC_TMODE_WIDEODD_BUG; 1564 rev = PCI_REVISION(ahc->bd->class); 1565 if (rev >= 1) { 1566 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG; 1567 } else { 1568 ahc->bugs |= AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG; 1569 } 1570 return (0); 1571 } 1572 1573 static int 1574 ahc_aha2940Pro_setup(struct ahc_softc *ahc) 1575 { 1576 1577 ahc->flags |= AHC_INT50_SPEEDFLEX; 1578 return (ahc_aic7880_setup(ahc)); 1579 } 1580 1581 static int 1582 ahc_aha394XU_setup(struct ahc_softc *ahc) 1583 { 1584 int error; 1585 1586 error = ahc_aic7880_setup(ahc); 1587 if (error == 0) 1588 error = ahc_aha394XX_setup(ahc); 1589 return (error); 1590 } 1591 1592 static int 1593 ahc_aha398XU_setup(struct ahc_softc *ahc) 1594 { 1595 int error; 1596 1597 error = ahc_aic7880_setup(ahc); 1598 if (error == 0) 1599 error = ahc_aha398XX_setup(ahc); 1600 return (error); 1601 } 1602 1603 static int 1604 ahc_aic7890_setup(struct ahc_softc *ahc) 1605 { 1606 uint8_t rev; 1607 1608 ahc->channel = 'A'; 1609 ahc->chip = AHC_AIC7890; 1610 ahc->features = AHC_AIC7890_FE; 1611 ahc->flags |= AHC_NEWEEPROM_FMT; 1612 rev = PCI_REVISION(ahc->bd->class); 1613 if (rev == 0) 1614 ahc->bugs |= AHC_AUTOFLUSH_BUG|AHC_CACHETHEN_BUG; 1615 return (0); 1616 } 1617 1618 static int 1619 ahc_aic7892_setup(struct ahc_softc *ahc) 1620 { 1621 1622 ahc->channel = 'A'; 1623 ahc->chip = AHC_AIC7892; 1624 ahc->features = AHC_AIC7892_FE; 1625 ahc->flags |= AHC_NEWEEPROM_FMT; 1626 ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG; 1627 return (0); 1628 } 1629 1630 static int 1631 ahc_aic7895_setup(struct ahc_softc *ahc) 1632 { 1633 uint8_t rev; 1634 1635 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A'; 1636 /* 1637 * The 'C' revision of the aic7895 has a few additional features. 1638 */ 1639 rev = PCI_REVISION(ahc->bd->class); 1640 if (rev >= 4) { 1641 ahc->chip = AHC_AIC7895C; 1642 ahc->features = AHC_AIC7895C_FE; 1643 } else { 1644 u_int command; 1645 1646 ahc->chip = AHC_AIC7895; 1647 ahc->features = AHC_AIC7895_FE; 1648 1649 /* 1650 * The BIOS disables the use of MWI transactions 1651 * since it does not have the MWI bug work around 1652 * we have. Disabling MWI reduces performance, so 1653 * turn it on again. 1654 */ 1655 command = pci_conf_read(ahc->bd->pc, ahc->bd->tag, 1656 PCI_COMMAND_STATUS_REG); 1657 command |= PCI_COMMAND_INVALIDATE_ENABLE; 1658 pci_conf_write(ahc->bd->pc, ahc->bd->tag, 1659 PCI_COMMAND_STATUS_REG, command); 1660 ahc->bugs |= AHC_PCI_MWI_BUG; 1661 } 1662 /* 1663 * XXX Does CACHETHEN really not work??? What about PCI retry? 1664 * on C level chips. Need to test, but for now, play it safe. 1665 */ 1666 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_PCI_2_1_RETRY_BUG 1667 | AHC_CACHETHEN_BUG; 1668 1669 #if 0 1670 uint32_t devconfig; 1671 1672 /* 1673 * Cachesize must also be zero due to stray DAC 1674 * problem when sitting behind some bridges. 1675 */ 1676 pci_conf_write(ahc->bd->pc, ahc->bd->tag, CSIZE_LATTIME, 0); 1677 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG); 1678 devconfig |= MRDCEN; 1679 pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig); 1680 #endif 1681 ahc->flags |= AHC_NEWEEPROM_FMT; 1682 return (0); 1683 } 1684 1685 static int 1686 ahc_aic7896_setup(struct ahc_softc *ahc) 1687 { 1688 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A'; 1689 ahc->chip = AHC_AIC7896; 1690 ahc->features = AHC_AIC7896_FE; 1691 ahc->flags |= AHC_NEWEEPROM_FMT; 1692 ahc->bugs |= AHC_CACHETHEN_DIS_BUG; 1693 return (0); 1694 } 1695 1696 static int 1697 ahc_aic7899_setup(struct ahc_softc *ahc) 1698 { 1699 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A'; 1700 ahc->chip = AHC_AIC7899; 1701 ahc->features = AHC_AIC7899_FE; 1702 ahc->flags |= AHC_NEWEEPROM_FMT; 1703 ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG; 1704 return (0); 1705 } 1706 1707 static int 1708 ahc_aha29160C_setup(struct ahc_softc *ahc) 1709 { 1710 int error; 1711 1712 error = ahc_aic7899_setup(ahc); 1713 if (error != 0) 1714 return (error); 1715 ahc->features |= AHC_REMOVABLE; 1716 return (0); 1717 } 1718 1719 static int 1720 ahc_raid_setup(struct ahc_softc *ahc) 1721 { 1722 aprint_normal_dev(ahc->sc_dev, "RAID functionality unsupported\n"); 1723 return (ENXIO); 1724 } 1725 1726 static int 1727 ahc_aha394XX_setup(struct ahc_softc *ahc) 1728 { 1729 1730 switch (ahc->bd->dev) { 1731 case AHC_394X_SLOT_CHANNEL_A: 1732 ahc->channel = 'A'; 1733 break; 1734 case AHC_394X_SLOT_CHANNEL_B: 1735 ahc->channel = 'B'; 1736 break; 1737 default: 1738 printf("adapter at unexpected slot %d\n" 1739 "unable to map to a channel\n", 1740 ahc->bd->dev); 1741 ahc->channel = 'A'; 1742 } 1743 return (0); 1744 } 1745 1746 static int 1747 ahc_aha398XX_setup(struct ahc_softc *ahc) 1748 { 1749 1750 switch (ahc->bd->dev) { 1751 case AHC_398X_SLOT_CHANNEL_A: 1752 ahc->channel = 'A'; 1753 break; 1754 case AHC_398X_SLOT_CHANNEL_B: 1755 ahc->channel = 'B'; 1756 break; 1757 case AHC_398X_SLOT_CHANNEL_C: 1758 ahc->channel = 'C'; 1759 break; 1760 default: 1761 printf("adapter at unexpected slot %d\n" 1762 "unable to map to a channel\n", 1763 ahc->bd->dev); 1764 ahc->channel = 'A'; 1765 break; 1766 } 1767 ahc->flags |= AHC_LARGE_SEEPROM; 1768 return (0); 1769 } 1770 1771 static int 1772 ahc_aha494XX_setup(struct ahc_softc *ahc) 1773 { 1774 1775 switch (ahc->bd->dev) { 1776 case AHC_494X_SLOT_CHANNEL_A: 1777 ahc->channel = 'A'; 1778 break; 1779 case AHC_494X_SLOT_CHANNEL_B: 1780 ahc->channel = 'B'; 1781 break; 1782 case AHC_494X_SLOT_CHANNEL_C: 1783 ahc->channel = 'C'; 1784 break; 1785 case AHC_494X_SLOT_CHANNEL_D: 1786 ahc->channel = 'D'; 1787 break; 1788 default: 1789 printf("adapter at unexpected slot %d\n" 1790 "unable to map to a channel\n", 1791 ahc->bd->dev); 1792 ahc->channel = 'A'; 1793 } 1794 ahc->flags |= AHC_LARGE_SEEPROM; 1795 return (0); 1796 } 1797