ahc_pci.c revision 1.53.10.1 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 1.53.10.1 2006/04/19 03:25:33 elad 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 1.53.10.1 2006/04/19 03:25:33 elad 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 boolean_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 if (devprop_get(&ahc->sc_dev, "use-target-defaults",
1055 &usetd, sizeof(usetd), NULL) == sizeof(usetd) &&
1056 usetd == TRUE)
1057 ahc->flags |= AHC_USETARGETDEFAULTS;
1058 ahc->flags |= AHC_BIOS_ENABLED;
1059 } else {
1060 /*
1061 * Assume only one connector and always turn
1062 * on termination.
1063 */
1064 our_id = 0x07;
1065 sxfrctl1 = STPWEN;
1066 }
1067 ahc_outb(ahc, SCSICONF, our_id|ENSPCHK|RESET_SCSI);
1068
1069 ahc->our_id = our_id;
1070 }
1071
1072 /*
1073 * Take a look to see if we have external SRAM.
1074 * We currently do not attempt to use SRAM that is
1075 * shared among multiple controllers.
1076 */
1077 ahc_probe_ext_scbram(ahc);
1078
1079 /*
1080 * Record our termination setting for the
1081 * generic initialization routine.
1082 */
1083 if ((sxfrctl1 & STPWEN) != 0)
1084 ahc->flags |= AHC_TERM_ENB_A;
1085
1086 if (ahc_init(ahc))
1087 goto error_out;
1088
1089 ahc_attach(ahc);
1090
1091 return;
1092
1093 error_out:
1094 ahc_free(ahc);
1095 return;
1096 }
1097
1098 CFATTACH_DECL(ahc_pci, sizeof(struct ahc_softc),
1099 ahc_pci_probe, ahc_pci_attach, NULL, NULL);
1100
1101 static int
1102 ahc_9005_subdevinfo_valid(uint16_t device, uint16_t vendor,
1103 uint16_t subdevice, uint16_t subvendor)
1104 {
1105 int result;
1106
1107 /* Default to invalid. */
1108 result = 0;
1109 if (vendor == 0x9005
1110 && subvendor == 0x9005
1111 && subdevice != device
1112 && SUBID_9005_TYPE_KNOWN(subdevice) != 0) {
1113
1114 switch (SUBID_9005_TYPE(subdevice)) {
1115 case SUBID_9005_TYPE_MB:
1116 break;
1117 case SUBID_9005_TYPE_CARD:
1118 case SUBID_9005_TYPE_LCCARD:
1119 /*
1120 * Currently only trust Adaptec cards to
1121 * get the sub device info correct.
1122 */
1123 if (DEVID_9005_TYPE(device) == DEVID_9005_TYPE_HBA)
1124 result = 1;
1125 break;
1126 case SUBID_9005_TYPE_RAID:
1127 break;
1128 default:
1129 break;
1130 }
1131 }
1132 return (result);
1133 }
1134
1135
1136 /*
1137 * Test for the presense of external sram in an
1138 * "unshared" configuration.
1139 */
1140 static int
1141 ahc_ext_scbram_present(struct ahc_softc *ahc)
1142 {
1143 u_int chip;
1144 int ramps;
1145 int single_user;
1146 uint32_t devconfig;
1147
1148 chip = ahc->chip & AHC_CHIPID_MASK;
1149 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1150 single_user = (devconfig & MPORTMODE) != 0;
1151
1152 if ((ahc->features & AHC_ULTRA2) != 0)
1153 ramps = (ahc_inb(ahc, DSCOMMAND0) & RAMPS) != 0;
1154 else if (chip == AHC_AIC7895 || chip == AHC_AIC7895C)
1155 /*
1156 * External SCBRAM arbitration is flakey
1157 * on these chips. Unfortunately this means
1158 * we don't use the extra SCB ram space on the
1159 * 3940AUW.
1160 */
1161 ramps = 0;
1162 else if (chip >= AHC_AIC7870)
1163 ramps = (devconfig & RAMPSM) != 0;
1164 else
1165 ramps = 0;
1166
1167 if (ramps && single_user)
1168 return (1);
1169 return (0);
1170 }
1171
1172 /*
1173 * Enable external scbram.
1174 */
1175 static void
1176 ahc_scbram_config(struct ahc_softc *ahc, int enable, int pcheck,
1177 int fast, int large)
1178 {
1179 uint32_t devconfig;
1180
1181 if (ahc->features & AHC_MULTI_FUNC) {
1182 /*
1183 * Set the SCB Base addr (highest address bit)
1184 * depending on which channel we are.
1185 */
1186 ahc_outb(ahc, SCBBADDR, ahc->bd->func);
1187 }
1188
1189 ahc->flags &= ~AHC_LSCBS_ENABLED;
1190 if (large)
1191 ahc->flags |= AHC_LSCBS_ENABLED;
1192 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1193 if ((ahc->features & AHC_ULTRA2) != 0) {
1194 u_int dscommand0;
1195
1196 dscommand0 = ahc_inb(ahc, DSCOMMAND0);
1197 if (enable)
1198 dscommand0 &= ~INTSCBRAMSEL;
1199 else
1200 dscommand0 |= INTSCBRAMSEL;
1201 if (large)
1202 dscommand0 &= ~USCBSIZE32;
1203 else
1204 dscommand0 |= USCBSIZE32;
1205 ahc_outb(ahc, DSCOMMAND0, dscommand0);
1206 } else {
1207 if (fast)
1208 devconfig &= ~EXTSCBTIME;
1209 else
1210 devconfig |= EXTSCBTIME;
1211 if (enable)
1212 devconfig &= ~SCBRAMSEL;
1213 else
1214 devconfig |= SCBRAMSEL;
1215 if (large)
1216 devconfig &= ~SCBSIZE32;
1217 else
1218 devconfig |= SCBSIZE32;
1219 }
1220 if (pcheck)
1221 devconfig |= EXTSCBPEN;
1222 else
1223 devconfig &= ~EXTSCBPEN;
1224
1225 pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig);
1226 }
1227
1228 /*
1229 * Take a look to see if we have external SRAM.
1230 * We currently do not attempt to use SRAM that is
1231 * shared among multiple controllers.
1232 */
1233 static void
1234 ahc_probe_ext_scbram(struct ahc_softc *ahc)
1235 {
1236 int num_scbs;
1237 int test_num_scbs;
1238 int enable;
1239 int pcheck;
1240 int fast;
1241 int large;
1242
1243 enable = FALSE;
1244 pcheck = FALSE;
1245 fast = FALSE;
1246 large = FALSE;
1247 num_scbs = 0;
1248
1249 if (ahc_ext_scbram_present(ahc) == 0)
1250 goto done;
1251
1252 /*
1253 * Probe for the best parameters to use.
1254 */
1255 ahc_scbram_config(ahc, /*enable*/TRUE, pcheck, fast, large);
1256 num_scbs = ahc_probe_scbs(ahc);
1257 if (num_scbs == 0) {
1258 /* The SRAM wasn't really present. */
1259 goto done;
1260 }
1261 enable = TRUE;
1262
1263 /*
1264 * Clear any outstanding parity error
1265 * and ensure that parity error reporting
1266 * is enabled.
1267 */
1268 ahc_outb(ahc, SEQCTL, 0);
1269 ahc_outb(ahc, CLRINT, CLRPARERR);
1270 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1271
1272 /* Now see if we can do parity */
1273 ahc_scbram_config(ahc, enable, /*pcheck*/TRUE, fast, large);
1274 num_scbs = ahc_probe_scbs(ahc);
1275 if ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
1276 || (ahc_inb(ahc, ERROR) & MPARERR) == 0)
1277 pcheck = TRUE;
1278
1279 /* Clear any resulting parity error */
1280 ahc_outb(ahc, CLRINT, CLRPARERR);
1281 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1282
1283 /* Now see if we can do fast timing */
1284 ahc_scbram_config(ahc, enable, pcheck, /*fast*/TRUE, large);
1285 test_num_scbs = ahc_probe_scbs(ahc);
1286 if (test_num_scbs == num_scbs
1287 && ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
1288 || (ahc_inb(ahc, ERROR) & MPARERR) == 0))
1289 fast = TRUE;
1290
1291 /*
1292 * See if we can use large SCBs and still maintain
1293 * the same overall count of SCBs.
1294 */
1295 if ((ahc->features & AHC_LARGE_SCBS) != 0) {
1296 ahc_scbram_config(ahc, enable, pcheck, fast, /*large*/TRUE);
1297 test_num_scbs = ahc_probe_scbs(ahc);
1298 if (test_num_scbs >= num_scbs) {
1299 large = TRUE;
1300 num_scbs = test_num_scbs;
1301 if (num_scbs >= 64) {
1302 /*
1303 * We have enough space to move the
1304 * "busy targets table" into SCB space
1305 * and make it qualify all the way to the
1306 * lun level.
1307 */
1308 ahc->flags |= AHC_SCB_BTT;
1309 }
1310 }
1311 }
1312 done:
1313 /*
1314 * Disable parity error reporting until we
1315 * can load instruction ram.
1316 */
1317 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
1318 /* Clear any latched parity error */
1319 ahc_outb(ahc, CLRINT, CLRPARERR);
1320 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1321 if (1/*bootverbose*/ && enable) {
1322 printf("%s: External SRAM, %s access%s, %dbytes/SCB\n",
1323 ahc_name(ahc), fast ? "fast" : "slow",
1324 pcheck ? ", parity checking enabled" : "",
1325 large ? 64 : 32);
1326 }
1327 ahc_scbram_config(ahc, enable, pcheck, fast, large);
1328 }
1329
1330 #if 0
1331 /*
1332 * Perform some simple tests that should catch situations where
1333 * our registers are invalidly mapped.
1334 */
1335 static int
1336 ahc_pci_test_register_access(struct ahc_softc *ahc)
1337 {
1338 int error;
1339 u_int status1;
1340 uint32_t cmd;
1341 uint8_t hcntrl;
1342
1343 error = EIO;
1344
1345 /*
1346 * Enable PCI error interrupt status, but suppress NMIs
1347 * generated by SERR raised due to target aborts.
1348 */
1349 cmd = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND);
1350 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND,
1351 cmd & ~PCIM_CMD_SERRESPEN);
1352
1353 /*
1354 * First a simple test to see if any
1355 * registers can be read. Reading
1356 * HCNTRL has no side effects and has
1357 * at least one bit that is guaranteed to
1358 * be zero so it is a good register to
1359 * use for this test.
1360 */
1361 hcntrl = ahc_inb(ahc, HCNTRL);
1362 if (hcntrl == 0xFF)
1363 goto fail;
1364
1365 /*
1366 * Next create a situation where write combining
1367 * or read prefetching could be initiated by the
1368 * CPU or host bridge. Our device does not support
1369 * either, so look for data corruption and/or flagged
1370 * PCI errors.
1371 */
1372 ahc_outb(ahc, HCNTRL, hcntrl|PAUSE);
1373 while (ahc_is_paused(ahc) == 0)
1374 ;
1375 ahc_outb(ahc, SEQCTL, PERRORDIS);
1376 ahc_outb(ahc, SCBPTR, 0);
1377 ahc_outl(ahc, SCB_BASE, 0x5aa555aa);
1378 if (ahc_inl(ahc, SCB_BASE) != 0x5aa555aa)
1379 goto fail;
1380
1381 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1382 PCI_COMMAND_STATUS_REG + 1);
1383 if ((status1 & STA) != 0)
1384 goto fail;
1385
1386 error = 0;
1387
1388 fail:
1389 /* Silently clear any latched errors. */
1390 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1391 PCI_COMMAND_STATUS_REG + 1);
1392 ahc_pci_write_config(ahc->dev_softc, PCIR_STATUS + 1,
1393 status1, /*bytes*/1);
1394 ahc_outb(ahc, CLRINT, CLRPARERR);
1395 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
1396 ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, cmd, /*bytes*/2);
1397 return (error);
1398 }
1399 #endif
1400
1401 static void
1402 ahc_pci_intr(struct ahc_softc *ahc)
1403 {
1404 u_int error;
1405 u_int status1;
1406
1407 error = ahc_inb(ahc, ERROR);
1408 if ((error & PCIERRSTAT) == 0)
1409 return;
1410
1411 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1412 PCI_COMMAND_STATUS_REG);
1413
1414 printf("%s: PCI error Interrupt at seqaddr = 0x%x\n",
1415 ahc_name(ahc),
1416 ahc_inb(ahc, SEQADDR0) | (ahc_inb(ahc, SEQADDR1) << 8));
1417
1418 if (status1 & DPE) {
1419 printf("%s: Data Parity Error Detected during address "
1420 "or write data phase\n", ahc_name(ahc));
1421 }
1422 if (status1 & SSE) {
1423 printf("%s: Signal System Error Detected\n", ahc_name(ahc));
1424 }
1425 if (status1 & RMA) {
1426 printf("%s: Received a Master Abort\n", ahc_name(ahc));
1427 }
1428 if (status1 & RTA) {
1429 printf("%s: Received a Target Abort\n", ahc_name(ahc));
1430 }
1431 if (status1 & STA) {
1432 printf("%s: Signaled a Target Abort\n", ahc_name(ahc));
1433 }
1434 if (status1 & DPR) {
1435 printf("%s: Data Parity Error has been reported via PERR#\n",
1436 ahc_name(ahc));
1437 }
1438
1439 /* Clear latched errors. */
1440 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG,
1441 status1);
1442
1443 if ((status1 & (DPE|SSE|RMA|RTA|STA|DPR)) == 0) {
1444 printf("%s: Latched PCIERR interrupt with "
1445 "no status bits set\n", ahc_name(ahc));
1446 } else {
1447 ahc_outb(ahc, CLRINT, CLRPARERR);
1448 }
1449
1450 ahc_unpause(ahc);
1451 }
1452
1453 static int
1454 ahc_aic785X_setup(struct ahc_softc *ahc)
1455 {
1456 uint8_t rev;
1457
1458 ahc->channel = 'A';
1459 ahc->chip = AHC_AIC7850;
1460 ahc->features = AHC_AIC7850_FE;
1461 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1462 rev = PCI_REVISION(ahc->bd->class);
1463 if (rev >= 1)
1464 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1465 return (0);
1466 }
1467
1468 static int
1469 ahc_aic7860_setup(struct ahc_softc *ahc)
1470 {
1471 uint8_t rev;
1472
1473 ahc->channel = 'A';
1474 ahc->chip = AHC_AIC7860;
1475 ahc->features = AHC_AIC7860_FE;
1476 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1477 rev = PCI_REVISION(ahc->bd->class);
1478 if (rev >= 1)
1479 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1480 return (0);
1481 }
1482
1483 static int
1484 ahc_apa1480_setup(struct ahc_softc *ahc)
1485 {
1486 int error;
1487
1488 error = ahc_aic7860_setup(ahc);
1489 if (error != 0)
1490 return (error);
1491 ahc->features |= AHC_REMOVABLE;
1492 return (0);
1493 }
1494
1495 static int
1496 ahc_aic7870_setup(struct ahc_softc *ahc)
1497 {
1498
1499 ahc->channel = 'A';
1500 ahc->chip = AHC_AIC7870;
1501 ahc->features = AHC_AIC7870_FE;
1502 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1503 return (0);
1504 }
1505
1506 static int
1507 ahc_aha394X_setup(struct ahc_softc *ahc)
1508 {
1509 int error;
1510
1511 error = ahc_aic7870_setup(ahc);
1512 if (error == 0)
1513 error = ahc_aha394XX_setup(ahc);
1514 return (error);
1515 }
1516
1517 static int
1518 ahc_aha398X_setup(struct ahc_softc *ahc)
1519 {
1520 int error;
1521
1522 error = ahc_aic7870_setup(ahc);
1523 if (error == 0)
1524 error = ahc_aha398XX_setup(ahc);
1525 return (error);
1526 }
1527
1528 static int
1529 ahc_aha494X_setup(struct ahc_softc *ahc)
1530 {
1531 int error;
1532
1533 error = ahc_aic7870_setup(ahc);
1534 if (error == 0)
1535 error = ahc_aha494XX_setup(ahc);
1536 return (error);
1537 }
1538
1539 static int
1540 ahc_aic7880_setup(struct ahc_softc *ahc)
1541 {
1542 uint8_t rev;
1543
1544 ahc->channel = 'A';
1545 ahc->chip = AHC_AIC7880;
1546 ahc->features = AHC_AIC7880_FE;
1547 ahc->bugs |= AHC_TMODE_WIDEODD_BUG;
1548 rev = PCI_REVISION(ahc->bd->class);
1549 if (rev >= 1) {
1550 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1551 } else {
1552 ahc->bugs |= AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1553 }
1554 return (0);
1555 }
1556
1557 static int
1558 ahc_aha2940Pro_setup(struct ahc_softc *ahc)
1559 {
1560
1561 ahc->flags |= AHC_INT50_SPEEDFLEX;
1562 return (ahc_aic7880_setup(ahc));
1563 }
1564
1565 static int
1566 ahc_aha394XU_setup(struct ahc_softc *ahc)
1567 {
1568 int error;
1569
1570 error = ahc_aic7880_setup(ahc);
1571 if (error == 0)
1572 error = ahc_aha394XX_setup(ahc);
1573 return (error);
1574 }
1575
1576 static int
1577 ahc_aha398XU_setup(struct ahc_softc *ahc)
1578 {
1579 int error;
1580
1581 error = ahc_aic7880_setup(ahc);
1582 if (error == 0)
1583 error = ahc_aha398XX_setup(ahc);
1584 return (error);
1585 }
1586
1587 static int
1588 ahc_aic7890_setup(struct ahc_softc *ahc)
1589 {
1590 uint8_t rev;
1591
1592 ahc->channel = 'A';
1593 ahc->chip = AHC_AIC7890;
1594 ahc->features = AHC_AIC7890_FE;
1595 ahc->flags |= AHC_NEWEEPROM_FMT;
1596 rev = PCI_REVISION(ahc->bd->class);
1597 if (rev == 0)
1598 ahc->bugs |= AHC_AUTOFLUSH_BUG|AHC_CACHETHEN_BUG;
1599 return (0);
1600 }
1601
1602 static int
1603 ahc_aic7892_setup(struct ahc_softc *ahc)
1604 {
1605
1606 ahc->channel = 'A';
1607 ahc->chip = AHC_AIC7892;
1608 ahc->features = AHC_AIC7892_FE;
1609 ahc->flags |= AHC_NEWEEPROM_FMT;
1610 ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
1611 return (0);
1612 }
1613
1614 static int
1615 ahc_aic7895_setup(struct ahc_softc *ahc)
1616 {
1617 uint8_t rev;
1618
1619 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1620 /*
1621 * The 'C' revision of the aic7895 has a few additional features.
1622 */
1623 rev = PCI_REVISION(ahc->bd->class);
1624 if (rev >= 4) {
1625 ahc->chip = AHC_AIC7895C;
1626 ahc->features = AHC_AIC7895C_FE;
1627 } else {
1628 u_int command;
1629
1630 ahc->chip = AHC_AIC7895;
1631 ahc->features = AHC_AIC7895_FE;
1632
1633 /*
1634 * The BIOS disables the use of MWI transactions
1635 * since it does not have the MWI bug work around
1636 * we have. Disabling MWI reduces performance, so
1637 * turn it on again.
1638 */
1639 command = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1640 PCI_COMMAND_STATUS_REG);
1641 command |= PCI_COMMAND_INVALIDATE_ENABLE;
1642 pci_conf_write(ahc->bd->pc, ahc->bd->tag,
1643 PCI_COMMAND_STATUS_REG, command);
1644 ahc->bugs |= AHC_PCI_MWI_BUG;
1645 }
1646 /*
1647 * XXX Does CACHETHEN really not work??? What about PCI retry?
1648 * on C level chips. Need to test, but for now, play it safe.
1649 */
1650 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_PCI_2_1_RETRY_BUG
1651 | AHC_CACHETHEN_BUG;
1652
1653 #if 0
1654 uint32_t devconfig;
1655
1656 /*
1657 * Cachesize must also be zero due to stray DAC
1658 * problem when sitting behind some bridges.
1659 */
1660 pci_conf_write(ahc->bd->pc, ahc->bd->tag, CSIZE_LATTIME, 0);
1661 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1662 devconfig |= MRDCEN;
1663 pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig);
1664 #endif
1665 ahc->flags |= AHC_NEWEEPROM_FMT;
1666 return (0);
1667 }
1668
1669 static int
1670 ahc_aic7896_setup(struct ahc_softc *ahc)
1671 {
1672 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1673 ahc->chip = AHC_AIC7896;
1674 ahc->features = AHC_AIC7896_FE;
1675 ahc->flags |= AHC_NEWEEPROM_FMT;
1676 ahc->bugs |= AHC_CACHETHEN_DIS_BUG;
1677 return (0);
1678 }
1679
1680 static int
1681 ahc_aic7899_setup(struct ahc_softc *ahc)
1682 {
1683 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1684 ahc->chip = AHC_AIC7899;
1685 ahc->features = AHC_AIC7899_FE;
1686 ahc->flags |= AHC_NEWEEPROM_FMT;
1687 ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
1688 return (0);
1689 }
1690
1691 static int
1692 ahc_aha29160C_setup(struct ahc_softc *ahc)
1693 {
1694 int error;
1695
1696 error = ahc_aic7899_setup(ahc);
1697 if (error != 0)
1698 return (error);
1699 ahc->features |= AHC_REMOVABLE;
1700 return (0);
1701 }
1702
1703 static int
1704 ahc_raid_setup(struct ahc_softc *ahc)
1705 {
1706 printf("RAID functionality unsupported\n");
1707 return (ENXIO);
1708 }
1709
1710 static int
1711 ahc_aha394XX_setup(struct ahc_softc *ahc)
1712 {
1713
1714 switch (ahc->bd->dev) {
1715 case AHC_394X_SLOT_CHANNEL_A:
1716 ahc->channel = 'A';
1717 break;
1718 case AHC_394X_SLOT_CHANNEL_B:
1719 ahc->channel = 'B';
1720 break;
1721 default:
1722 printf("adapter at unexpected slot %d\n"
1723 "unable to map to a channel\n",
1724 ahc->bd->dev);
1725 ahc->channel = 'A';
1726 }
1727 return (0);
1728 }
1729
1730 static int
1731 ahc_aha398XX_setup(struct ahc_softc *ahc)
1732 {
1733
1734 switch (ahc->bd->dev) {
1735 case AHC_398X_SLOT_CHANNEL_A:
1736 ahc->channel = 'A';
1737 break;
1738 case AHC_398X_SLOT_CHANNEL_B:
1739 ahc->channel = 'B';
1740 break;
1741 case AHC_398X_SLOT_CHANNEL_C:
1742 ahc->channel = 'C';
1743 break;
1744 default:
1745 printf("adapter at unexpected slot %d\n"
1746 "unable to map to a channel\n",
1747 ahc->bd->dev);
1748 ahc->channel = 'A';
1749 break;
1750 }
1751 ahc->flags |= AHC_LARGE_SEEPROM;
1752 return (0);
1753 }
1754
1755 static int
1756 ahc_aha494XX_setup(struct ahc_softc *ahc)
1757 {
1758
1759 switch (ahc->bd->dev) {
1760 case AHC_494X_SLOT_CHANNEL_A:
1761 ahc->channel = 'A';
1762 break;
1763 case AHC_494X_SLOT_CHANNEL_B:
1764 ahc->channel = 'B';
1765 break;
1766 case AHC_494X_SLOT_CHANNEL_C:
1767 ahc->channel = 'C';
1768 break;
1769 case AHC_494X_SLOT_CHANNEL_D:
1770 ahc->channel = 'D';
1771 break;
1772 default:
1773 printf("adapter at unexpected slot %d\n"
1774 "unable to map to a channel\n",
1775 ahc->bd->dev);
1776 ahc->channel = 'A';
1777 }
1778 ahc->flags |= AHC_LARGE_SEEPROM;
1779 return (0);
1780 }
1781