ahc_pci.c revision 1.56.6.2 1 /*
2 * Product specific probe and attach routines for:
3 * 3940, 2940, aic7895, aic7890, aic7880,
4 * aic7870, aic7860 and aic7850 SCSI controllers
5 *
6 * Copyright (c) 1994-2001 Justin T. Gibbs.
7 * Copyright (c) 2000-2001 Adaptec Inc.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions, and the following disclaimer,
15 * without modification.
16 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
17 * substantially similar to the "NO WARRANTY" disclaimer below
18 * ("Disclaimer") and any redistribution must be conditioned upon
19 * including a substantially similar Disclaimer requirement for further
20 * binary redistribution.
21 * 3. Neither the names of the above-listed copyright holders nor the names
22 * of any contributors may be used to endorse or promote products derived
23 * from this software without specific prior written permission.
24 *
25 * Alternatively, this software may be distributed under the terms of the
26 * GNU General Public License ("GPL") version 2 as published by the Free
27 * Software Foundation.
28 *
29 * NO WARRANTY
30 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
31 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
32 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
33 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
34 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
38 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
39 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
40 * POSSIBILITY OF SUCH DAMAGES.
41 *
42 * $Id: ahc_pci.c,v 1.56.6.2 2006/12/10 07:17:41 yamt Exp $
43 *
44 * //depot/aic7xxx/aic7xxx/aic7xxx_pci.c#57 $
45 *
46 * $FreeBSD: /repoman/r/ncvs/src/sys/dev/aic7xxx/aic7xxx_pci.c,v 1.22 2003/01/20 20:44:55 gibbs Exp $
47 */
48 /*
49 * Ported from FreeBSD by Pascal Renauld, Network Storage Solutions, Inc. - April 2003
50 */
51
52 #include <sys/cdefs.h>
53 __KERNEL_RCSID(0, "$NetBSD: ahc_pci.c,v 1.56.6.2 2006/12/10 07:17:41 yamt 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,
745 void *aux)
746 {
747 struct pci_attach_args *pa = aux;
748 const struct ahc_pci_identity *entry;
749 pcireg_t subid;
750
751 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
752 entry = ahc_find_pci_device(pa->pa_id, subid, pa->pa_function);
753 return (entry != NULL && entry->setup != NULL) ? 1 : 0;
754 }
755
756 static void
757 ahc_pci_attach(struct device *parent, struct device *self, void *aux)
758 {
759 struct pci_attach_args *pa = aux;
760 const struct ahc_pci_identity *entry;
761 struct ahc_softc *ahc = (void *)self;
762 pcireg_t command;
763 u_int our_id = 0;
764 u_int sxfrctl1;
765 u_int scsiseq;
766 u_int sblkctl;
767 uint8_t dscommand0;
768 uint32_t devconfig;
769 int error;
770 pcireg_t subid;
771 int ioh_valid;
772 bus_space_tag_t st, iot;
773 bus_space_handle_t sh, ioh;
774 #ifdef AHC_ALLOW_MEMIO
775 int memh_valid;
776 bus_space_tag_t memt;
777 bus_space_handle_t memh;
778 pcireg_t memtype;
779 #endif
780 pci_intr_handle_t ih;
781 const char *intrstr;
782 struct ahc_pci_busdata *bd;
783
784 ahc_set_name(ahc, ahc->sc_dev.dv_xname);
785 ahc->parent_dmat = pa->pa_dmat;
786
787 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
788 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
789 entry = ahc_find_pci_device(pa->pa_id, subid, pa->pa_function);
790 if (entry == NULL)
791 return;
792 printf(": %s\n", entry->name);
793
794 /* Keep information about the PCI bus */
795 bd = malloc(sizeof (struct ahc_pci_busdata), M_DEVBUF, M_NOWAIT);
796 if (bd == NULL) {
797 printf("%s: unable to allocate bus-specific data\n",
798 ahc_name(ahc));
799 return;
800 }
801 memset(bd, 0, sizeof(struct ahc_pci_busdata));
802
803 bd->pc = pa->pa_pc;
804 bd->tag = pa->pa_tag;
805 bd->func = pa->pa_function;
806 bd->dev = pa->pa_device;
807 bd->class = pa->pa_class;
808
809 ahc->bd = bd;
810
811 ahc->description = entry->name;
812
813 error = entry->setup(ahc);
814 if (error != 0)
815 return;
816
817 ioh_valid = 0;
818
819 #ifdef AHC_ALLOW_MEMIO
820 memh_valid = 0;
821 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, AHC_PCI_MEMADDR);
822 switch (memtype) {
823 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
824 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
825 memh_valid = (pci_mapreg_map(pa, AHC_PCI_MEMADDR,
826 memtype, 0, &memt, &memh, NULL, NULL) == 0);
827 break;
828 default:
829 memh_valid = 0;
830 }
831 #endif
832 ioh_valid = (pci_mapreg_map(pa, AHC_PCI_IOADDR,
833 PCI_MAPREG_TYPE_IO, 0, &iot,
834 &ioh, NULL, NULL) == 0);
835 #if 0
836 printf("%s: bus info: memt 0x%lx, memh 0x%lx, iot 0x%lx, ioh 0x%lx\n",
837 ahc_name(ahc), (u_long)memt, (u_long)memh, (u_long)iot,
838 (u_long)ioh);
839 #endif
840
841 if (ioh_valid) {
842 st = iot;
843 sh = ioh;
844 #ifdef AHC_ALLOW_MEMIO
845 } else if (memh_valid) {
846 st = memt;
847 sh = memh;
848 #endif
849 } else {
850 printf(": unable to map registers\n");
851 return;
852 }
853 ahc->tag = st;
854 ahc->bsh = sh;
855
856 ahc->chip |= AHC_PCI;
857 /*
858 * Before we continue probing the card, ensure that
859 * its interrupts are *disabled*. We don't want
860 * a misstep to hang the machine in an interrupt
861 * storm.
862 */
863 ahc_intr_enable(ahc, FALSE);
864
865 /*
866 * XXX somehow reading this once fails on some sparc64 systems.
867 * This may be a problem in the sparc64 PCI code. Doing it
868 * twice works around it.
869 */
870 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
871 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
872
873 /*
874 * If we need to support high memory, enable dual
875 * address cycles. This bit must be set to enable
876 * high address bit generation even if we are on a
877 * 64bit bus (PCI64BIT set in devconfig).
878 */
879 if ((ahc->flags & AHC_39BIT_ADDRESSING) != 0) {
880
881 if (1/*bootverbose*/)
882 printf("%s: Enabling 39Bit Addressing\n",
883 ahc_name(ahc));
884 devconfig |= DACEN;
885 }
886
887 /* Ensure that pci error generation, a test feature, is disabled. */
888 devconfig |= PCIERRGENDIS;
889
890 pci_conf_write(pa->pa_pc, pa->pa_tag, DEVCONFIG, devconfig);
891
892 /* Ensure busmastering is enabled */
893 command |= PCI_COMMAND_MASTER_ENABLE;;
894 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
895
896 /*
897 * Disable PCI parity error reporting. Users typically
898 * do this to work around broken PCI chipsets that get
899 * the parity timing wrong and thus generate lots of spurious
900 * errors.
901 */
902 if ((ahc->flags & AHC_DISABLE_PCI_PERR) != 0)
903 command &= ~PCI_COMMAND_PARITY_ENABLE;
904 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
905
906 /* On all PCI adapters, we allow SCB paging */
907 ahc->flags |= AHC_PAGESCBS;
908 error = ahc_softc_init(ahc);
909 if (error != 0)
910 goto error_out;
911
912 ahc->bus_intr = ahc_pci_intr;
913
914 /* Remember how the card was setup in case there is no SEEPROM */
915 if ((ahc_inb(ahc, HCNTRL) & POWRDN) == 0) {
916 ahc_pause(ahc);
917 if ((ahc->features & AHC_ULTRA2) != 0)
918 our_id = ahc_inb(ahc, SCSIID_ULTRA2) & OID;
919 else
920 our_id = ahc_inb(ahc, SCSIID) & OID;
921 sxfrctl1 = ahc_inb(ahc, SXFRCTL1) & STPWEN;
922 scsiseq = ahc_inb(ahc, SCSISEQ);
923 } else {
924 sxfrctl1 = STPWEN;
925 our_id = 7;
926 scsiseq = 0;
927 }
928
929 error = ahc_reset(ahc);
930 if (error != 0)
931 goto error_out;
932
933 if ((ahc->features & AHC_DT) != 0) {
934 u_int sfunct;
935
936 /* Perform ALT-Mode Setup */
937 sfunct = ahc_inb(ahc, SFUNCT) & ~ALT_MODE;
938 ahc_outb(ahc, SFUNCT, sfunct | ALT_MODE);
939 ahc_outb(ahc, OPTIONMODE,
940 OPTIONMODE_DEFAULTS|AUTOACKEN|BUSFREEREV|EXPPHASEDIS);
941 ahc_outb(ahc, SFUNCT, sfunct);
942
943 /* Normal mode setup */
944 ahc_outb(ahc, CRCCONTROL1, CRCVALCHKEN|CRCENDCHKEN|CRCREQCHKEN
945 |TARGCRCENDEN);
946 }
947
948 if (pci_intr_map(pa, &ih)) {
949 printf("%s: couldn't map interrupt\n", ahc_name(ahc));
950 ahc_free(ahc);
951 return;
952 }
953 intrstr = pci_intr_string(pa->pa_pc, ih);
954 ahc->ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, ahc_intr, ahc);
955 if (ahc->ih == NULL) {
956 printf("%s: couldn't establish interrupt",
957 ahc->sc_dev.dv_xname);
958 if (intrstr != NULL)
959 printf(" at %s", intrstr);
960 printf("\n");
961 ahc_free(ahc);
962 return;
963 }
964 if (intrstr != NULL)
965 printf("%s: interrupting at %s\n", ahc_name(ahc), intrstr);
966
967 dscommand0 = ahc_inb(ahc, DSCOMMAND0);
968 dscommand0 |= MPARCKEN|CACHETHEN;
969 if ((ahc->features & AHC_ULTRA2) != 0) {
970
971 /*
972 * DPARCKEN doesn't work correctly on
973 * some MBs so don't use it.
974 */
975 dscommand0 &= ~DPARCKEN;
976 }
977
978 /*
979 * Handle chips that must have cache line
980 * streaming (dis/en)abled.
981 */
982 if ((ahc->bugs & AHC_CACHETHEN_DIS_BUG) != 0)
983 dscommand0 |= CACHETHEN;
984
985 if ((ahc->bugs & AHC_CACHETHEN_BUG) != 0)
986 dscommand0 &= ~CACHETHEN;
987
988 ahc_outb(ahc, DSCOMMAND0, dscommand0);
989
990 ahc->pci_cachesize =
991 pci_conf_read(pa->pa_pc, pa->pa_tag, CSIZE_LATTIME) & CACHESIZE;
992 ahc->pci_cachesize *= 4;
993
994 if ((ahc->bugs & AHC_PCI_2_1_RETRY_BUG) != 0
995 && ahc->pci_cachesize == 4) {
996 pci_conf_write(pa->pa_pc, pa->pa_tag, CSIZE_LATTIME, 0);
997 ahc->pci_cachesize = 0;
998 }
999
1000 /*
1001 * We cannot perform ULTRA speeds without the presence
1002 * of the external precision resistor.
1003 */
1004 if ((ahc->features & AHC_ULTRA) != 0) {
1005 uint32_t dvconfig;
1006
1007 dvconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
1008 if ((dvconfig & REXTVALID) == 0)
1009 ahc->features &= ~AHC_ULTRA;
1010 }
1011
1012 ahc->seep_config = malloc(sizeof(*ahc->seep_config),
1013 M_DEVBUF, M_NOWAIT);
1014 if (ahc->seep_config == NULL)
1015 goto error_out;
1016
1017 memset(ahc->seep_config, 0, sizeof(*ahc->seep_config));
1018
1019 /* See if we have a SEEPROM and perform auto-term */
1020 ahc_check_extport(ahc, &sxfrctl1);
1021
1022 /*
1023 * Take the LED out of diagnostic mode
1024 */
1025 sblkctl = ahc_inb(ahc, SBLKCTL);
1026 ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON)));
1027
1028 if ((ahc->features & AHC_ULTRA2) != 0) {
1029 ahc_outb(ahc, DFF_THRSH, RD_DFTHRSH_MAX|WR_DFTHRSH_MAX);
1030 } else {
1031 ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100);
1032 }
1033
1034 if (ahc->flags & AHC_USEDEFAULTS) {
1035 /*
1036 * PCI Adapter default setup
1037 * Should only be used if the adapter does not have
1038 * a SEEPROM.
1039 */
1040 /* See if someone else set us up already */
1041 if ((ahc->flags & AHC_NO_BIOS_INIT) == 0
1042 && scsiseq != 0) {
1043 prop_bool_t usetd;
1044
1045 printf("%s: Using left over BIOS settings\n",
1046 ahc_name(ahc));
1047 ahc->flags &= ~AHC_USEDEFAULTS;
1048 /*
1049 * Ignore target device settings and use default
1050 * if BIOS initializes chip's SRAM with some
1051 * conservative settings (async, no tagged
1052 * queuing etc.) and machine dependent device
1053 * property is set.
1054 */
1055 usetd = prop_dictionary_get(
1056 device_properties(&ahc->sc_dev),
1057 "aic7xxx-use-target-defaults");
1058 if (usetd != NULL) {
1059 KASSERT(prop_object_type(usetd) ==
1060 PROP_TYPE_BOOL);
1061 if (prop_bool_true(usetd))
1062 ahc->flags |= AHC_USETARGETDEFAULTS;
1063 }
1064 ahc->flags |= AHC_BIOS_ENABLED;
1065 } else {
1066 /*
1067 * Assume only one connector and always turn
1068 * on termination.
1069 */
1070 our_id = 0x07;
1071 sxfrctl1 = STPWEN;
1072 }
1073 ahc_outb(ahc, SCSICONF, our_id|ENSPCHK|RESET_SCSI);
1074
1075 ahc->our_id = our_id;
1076 }
1077
1078 /*
1079 * Take a look to see if we have external SRAM.
1080 * We currently do not attempt to use SRAM that is
1081 * shared among multiple controllers.
1082 */
1083 ahc_probe_ext_scbram(ahc);
1084
1085 /*
1086 * Record our termination setting for the
1087 * generic initialization routine.
1088 */
1089 if ((sxfrctl1 & STPWEN) != 0)
1090 ahc->flags |= AHC_TERM_ENB_A;
1091
1092 if (ahc_init(ahc))
1093 goto error_out;
1094
1095 ahc_attach(ahc);
1096
1097 return;
1098
1099 error_out:
1100 ahc_free(ahc);
1101 return;
1102 }
1103
1104 CFATTACH_DECL(ahc_pci, sizeof(struct ahc_softc),
1105 ahc_pci_probe, ahc_pci_attach, NULL, NULL);
1106
1107 static int
1108 ahc_9005_subdevinfo_valid(uint16_t device, uint16_t vendor,
1109 uint16_t subdevice, uint16_t subvendor)
1110 {
1111 int result;
1112
1113 /* Default to invalid. */
1114 result = 0;
1115 if (vendor == 0x9005
1116 && subvendor == 0x9005
1117 && subdevice != device
1118 && SUBID_9005_TYPE_KNOWN(subdevice) != 0) {
1119
1120 switch (SUBID_9005_TYPE(subdevice)) {
1121 case SUBID_9005_TYPE_MB:
1122 break;
1123 case SUBID_9005_TYPE_CARD:
1124 case SUBID_9005_TYPE_LCCARD:
1125 /*
1126 * Currently only trust Adaptec cards to
1127 * get the sub device info correct.
1128 */
1129 if (DEVID_9005_TYPE(device) == DEVID_9005_TYPE_HBA)
1130 result = 1;
1131 break;
1132 case SUBID_9005_TYPE_RAID:
1133 break;
1134 default:
1135 break;
1136 }
1137 }
1138 return (result);
1139 }
1140
1141
1142 /*
1143 * Test for the presense of external sram in an
1144 * "unshared" configuration.
1145 */
1146 static int
1147 ahc_ext_scbram_present(struct ahc_softc *ahc)
1148 {
1149 u_int chip;
1150 int ramps;
1151 int single_user;
1152 uint32_t devconfig;
1153
1154 chip = ahc->chip & AHC_CHIPID_MASK;
1155 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1156 single_user = (devconfig & MPORTMODE) != 0;
1157
1158 if ((ahc->features & AHC_ULTRA2) != 0)
1159 ramps = (ahc_inb(ahc, DSCOMMAND0) & RAMPS) != 0;
1160 else if (chip == AHC_AIC7895 || chip == AHC_AIC7895C)
1161 /*
1162 * External SCBRAM arbitration is flakey
1163 * on these chips. Unfortunately this means
1164 * we don't use the extra SCB ram space on the
1165 * 3940AUW.
1166 */
1167 ramps = 0;
1168 else if (chip >= AHC_AIC7870)
1169 ramps = (devconfig & RAMPSM) != 0;
1170 else
1171 ramps = 0;
1172
1173 if (ramps && single_user)
1174 return (1);
1175 return (0);
1176 }
1177
1178 /*
1179 * Enable external scbram.
1180 */
1181 static void
1182 ahc_scbram_config(struct ahc_softc *ahc, int enable, int pcheck,
1183 int fast, int large)
1184 {
1185 uint32_t devconfig;
1186
1187 if (ahc->features & AHC_MULTI_FUNC) {
1188 /*
1189 * Set the SCB Base addr (highest address bit)
1190 * depending on which channel we are.
1191 */
1192 ahc_outb(ahc, SCBBADDR, ahc->bd->func);
1193 }
1194
1195 ahc->flags &= ~AHC_LSCBS_ENABLED;
1196 if (large)
1197 ahc->flags |= AHC_LSCBS_ENABLED;
1198 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1199 if ((ahc->features & AHC_ULTRA2) != 0) {
1200 u_int dscommand0;
1201
1202 dscommand0 = ahc_inb(ahc, DSCOMMAND0);
1203 if (enable)
1204 dscommand0 &= ~INTSCBRAMSEL;
1205 else
1206 dscommand0 |= INTSCBRAMSEL;
1207 if (large)
1208 dscommand0 &= ~USCBSIZE32;
1209 else
1210 dscommand0 |= USCBSIZE32;
1211 ahc_outb(ahc, DSCOMMAND0, dscommand0);
1212 } else {
1213 if (fast)
1214 devconfig &= ~EXTSCBTIME;
1215 else
1216 devconfig |= EXTSCBTIME;
1217 if (enable)
1218 devconfig &= ~SCBRAMSEL;
1219 else
1220 devconfig |= SCBRAMSEL;
1221 if (large)
1222 devconfig &= ~SCBSIZE32;
1223 else
1224 devconfig |= SCBSIZE32;
1225 }
1226 if (pcheck)
1227 devconfig |= EXTSCBPEN;
1228 else
1229 devconfig &= ~EXTSCBPEN;
1230
1231 pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig);
1232 }
1233
1234 /*
1235 * Take a look to see if we have external SRAM.
1236 * We currently do not attempt to use SRAM that is
1237 * shared among multiple controllers.
1238 */
1239 static void
1240 ahc_probe_ext_scbram(struct ahc_softc *ahc)
1241 {
1242 int num_scbs;
1243 int test_num_scbs;
1244 int enable;
1245 int pcheck;
1246 int fast;
1247 int large;
1248
1249 enable = FALSE;
1250 pcheck = FALSE;
1251 fast = FALSE;
1252 large = FALSE;
1253 num_scbs = 0;
1254
1255 if (ahc_ext_scbram_present(ahc) == 0)
1256 goto done;
1257
1258 /*
1259 * Probe for the best parameters to use.
1260 */
1261 ahc_scbram_config(ahc, /*enable*/TRUE, pcheck, fast, large);
1262 num_scbs = ahc_probe_scbs(ahc);
1263 if (num_scbs == 0) {
1264 /* The SRAM wasn't really present. */
1265 goto done;
1266 }
1267 enable = TRUE;
1268
1269 /*
1270 * Clear any outstanding parity error
1271 * and ensure that parity error reporting
1272 * is enabled.
1273 */
1274 ahc_outb(ahc, SEQCTL, 0);
1275 ahc_outb(ahc, CLRINT, CLRPARERR);
1276 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1277
1278 /* Now see if we can do parity */
1279 ahc_scbram_config(ahc, enable, /*pcheck*/TRUE, fast, large);
1280 num_scbs = ahc_probe_scbs(ahc);
1281 if ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
1282 || (ahc_inb(ahc, ERROR) & MPARERR) == 0)
1283 pcheck = TRUE;
1284
1285 /* Clear any resulting parity error */
1286 ahc_outb(ahc, CLRINT, CLRPARERR);
1287 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1288
1289 /* Now see if we can do fast timing */
1290 ahc_scbram_config(ahc, enable, pcheck, /*fast*/TRUE, large);
1291 test_num_scbs = ahc_probe_scbs(ahc);
1292 if (test_num_scbs == num_scbs
1293 && ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
1294 || (ahc_inb(ahc, ERROR) & MPARERR) == 0))
1295 fast = TRUE;
1296
1297 /*
1298 * See if we can use large SCBs and still maintain
1299 * the same overall count of SCBs.
1300 */
1301 if ((ahc->features & AHC_LARGE_SCBS) != 0) {
1302 ahc_scbram_config(ahc, enable, pcheck, fast, /*large*/TRUE);
1303 test_num_scbs = ahc_probe_scbs(ahc);
1304 if (test_num_scbs >= num_scbs) {
1305 large = TRUE;
1306 num_scbs = test_num_scbs;
1307 if (num_scbs >= 64) {
1308 /*
1309 * We have enough space to move the
1310 * "busy targets table" into SCB space
1311 * and make it qualify all the way to the
1312 * lun level.
1313 */
1314 ahc->flags |= AHC_SCB_BTT;
1315 }
1316 }
1317 }
1318 done:
1319 /*
1320 * Disable parity error reporting until we
1321 * can load instruction ram.
1322 */
1323 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
1324 /* Clear any latched parity error */
1325 ahc_outb(ahc, CLRINT, CLRPARERR);
1326 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1327 if (1/*bootverbose*/ && enable) {
1328 printf("%s: External SRAM, %s access%s, %dbytes/SCB\n",
1329 ahc_name(ahc), fast ? "fast" : "slow",
1330 pcheck ? ", parity checking enabled" : "",
1331 large ? 64 : 32);
1332 }
1333 ahc_scbram_config(ahc, enable, pcheck, fast, large);
1334 }
1335
1336 #if 0
1337 /*
1338 * Perform some simple tests that should catch situations where
1339 * our registers are invalidly mapped.
1340 */
1341 static int
1342 ahc_pci_test_register_access(struct ahc_softc *ahc)
1343 {
1344 int error;
1345 u_int status1;
1346 uint32_t cmd;
1347 uint8_t hcntrl;
1348
1349 error = EIO;
1350
1351 /*
1352 * Enable PCI error interrupt status, but suppress NMIs
1353 * generated by SERR raised due to target aborts.
1354 */
1355 cmd = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND);
1356 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND,
1357 cmd & ~PCIM_CMD_SERRESPEN);
1358
1359 /*
1360 * First a simple test to see if any
1361 * registers can be read. Reading
1362 * HCNTRL has no side effects and has
1363 * at least one bit that is guaranteed to
1364 * be zero so it is a good register to
1365 * use for this test.
1366 */
1367 hcntrl = ahc_inb(ahc, HCNTRL);
1368 if (hcntrl == 0xFF)
1369 goto fail;
1370
1371 /*
1372 * Next create a situation where write combining
1373 * or read prefetching could be initiated by the
1374 * CPU or host bridge. Our device does not support
1375 * either, so look for data corruption and/or flagged
1376 * PCI errors.
1377 */
1378 ahc_outb(ahc, HCNTRL, hcntrl|PAUSE);
1379 while (ahc_is_paused(ahc) == 0)
1380 ;
1381 ahc_outb(ahc, SEQCTL, PERRORDIS);
1382 ahc_outb(ahc, SCBPTR, 0);
1383 ahc_outl(ahc, SCB_BASE, 0x5aa555aa);
1384 if (ahc_inl(ahc, SCB_BASE) != 0x5aa555aa)
1385 goto fail;
1386
1387 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1388 PCI_COMMAND_STATUS_REG + 1);
1389 if ((status1 & STA) != 0)
1390 goto fail;
1391
1392 error = 0;
1393
1394 fail:
1395 /* Silently clear any latched errors. */
1396 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1397 PCI_COMMAND_STATUS_REG + 1);
1398 ahc_pci_write_config(ahc->dev_softc, PCIR_STATUS + 1,
1399 status1, /*bytes*/1);
1400 ahc_outb(ahc, CLRINT, CLRPARERR);
1401 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
1402 ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, cmd, /*bytes*/2);
1403 return (error);
1404 }
1405 #endif
1406
1407 static void
1408 ahc_pci_intr(struct ahc_softc *ahc)
1409 {
1410 u_int error;
1411 u_int status1;
1412
1413 error = ahc_inb(ahc, ERROR);
1414 if ((error & PCIERRSTAT) == 0)
1415 return;
1416
1417 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1418 PCI_COMMAND_STATUS_REG);
1419
1420 printf("%s: PCI error Interrupt at seqaddr = 0x%x\n",
1421 ahc_name(ahc),
1422 ahc_inb(ahc, SEQADDR0) | (ahc_inb(ahc, SEQADDR1) << 8));
1423
1424 if (status1 & DPE) {
1425 printf("%s: Data Parity Error Detected during address "
1426 "or write data phase\n", ahc_name(ahc));
1427 }
1428 if (status1 & SSE) {
1429 printf("%s: Signal System Error Detected\n", ahc_name(ahc));
1430 }
1431 if (status1 & RMA) {
1432 printf("%s: Received a Master Abort\n", ahc_name(ahc));
1433 }
1434 if (status1 & RTA) {
1435 printf("%s: Received a Target Abort\n", ahc_name(ahc));
1436 }
1437 if (status1 & STA) {
1438 printf("%s: Signaled a Target Abort\n", ahc_name(ahc));
1439 }
1440 if (status1 & DPR) {
1441 printf("%s: Data Parity Error has been reported via PERR#\n",
1442 ahc_name(ahc));
1443 }
1444
1445 /* Clear latched errors. */
1446 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG,
1447 status1);
1448
1449 if ((status1 & (DPE|SSE|RMA|RTA|STA|DPR)) == 0) {
1450 printf("%s: Latched PCIERR interrupt with "
1451 "no status bits set\n", ahc_name(ahc));
1452 } else {
1453 ahc_outb(ahc, CLRINT, CLRPARERR);
1454 }
1455
1456 ahc_unpause(ahc);
1457 }
1458
1459 static int
1460 ahc_aic785X_setup(struct ahc_softc *ahc)
1461 {
1462 uint8_t rev;
1463
1464 ahc->channel = 'A';
1465 ahc->chip = AHC_AIC7850;
1466 ahc->features = AHC_AIC7850_FE;
1467 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1468 rev = PCI_REVISION(ahc->bd->class);
1469 if (rev >= 1)
1470 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1471 return (0);
1472 }
1473
1474 static int
1475 ahc_aic7860_setup(struct ahc_softc *ahc)
1476 {
1477 uint8_t rev;
1478
1479 ahc->channel = 'A';
1480 ahc->chip = AHC_AIC7860;
1481 ahc->features = AHC_AIC7860_FE;
1482 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1483 rev = PCI_REVISION(ahc->bd->class);
1484 if (rev >= 1)
1485 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1486 return (0);
1487 }
1488
1489 static int
1490 ahc_apa1480_setup(struct ahc_softc *ahc)
1491 {
1492 int error;
1493
1494 error = ahc_aic7860_setup(ahc);
1495 if (error != 0)
1496 return (error);
1497 ahc->features |= AHC_REMOVABLE;
1498 return (0);
1499 }
1500
1501 static int
1502 ahc_aic7870_setup(struct ahc_softc *ahc)
1503 {
1504
1505 ahc->channel = 'A';
1506 ahc->chip = AHC_AIC7870;
1507 ahc->features = AHC_AIC7870_FE;
1508 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1509 return (0);
1510 }
1511
1512 static int
1513 ahc_aha394X_setup(struct ahc_softc *ahc)
1514 {
1515 int error;
1516
1517 error = ahc_aic7870_setup(ahc);
1518 if (error == 0)
1519 error = ahc_aha394XX_setup(ahc);
1520 return (error);
1521 }
1522
1523 static int
1524 ahc_aha398X_setup(struct ahc_softc *ahc)
1525 {
1526 int error;
1527
1528 error = ahc_aic7870_setup(ahc);
1529 if (error == 0)
1530 error = ahc_aha398XX_setup(ahc);
1531 return (error);
1532 }
1533
1534 static int
1535 ahc_aha494X_setup(struct ahc_softc *ahc)
1536 {
1537 int error;
1538
1539 error = ahc_aic7870_setup(ahc);
1540 if (error == 0)
1541 error = ahc_aha494XX_setup(ahc);
1542 return (error);
1543 }
1544
1545 static int
1546 ahc_aic7880_setup(struct ahc_softc *ahc)
1547 {
1548 uint8_t rev;
1549
1550 ahc->channel = 'A';
1551 ahc->chip = AHC_AIC7880;
1552 ahc->features = AHC_AIC7880_FE;
1553 ahc->bugs |= AHC_TMODE_WIDEODD_BUG;
1554 rev = PCI_REVISION(ahc->bd->class);
1555 if (rev >= 1) {
1556 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1557 } else {
1558 ahc->bugs |= AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1559 }
1560 return (0);
1561 }
1562
1563 static int
1564 ahc_aha2940Pro_setup(struct ahc_softc *ahc)
1565 {
1566
1567 ahc->flags |= AHC_INT50_SPEEDFLEX;
1568 return (ahc_aic7880_setup(ahc));
1569 }
1570
1571 static int
1572 ahc_aha394XU_setup(struct ahc_softc *ahc)
1573 {
1574 int error;
1575
1576 error = ahc_aic7880_setup(ahc);
1577 if (error == 0)
1578 error = ahc_aha394XX_setup(ahc);
1579 return (error);
1580 }
1581
1582 static int
1583 ahc_aha398XU_setup(struct ahc_softc *ahc)
1584 {
1585 int error;
1586
1587 error = ahc_aic7880_setup(ahc);
1588 if (error == 0)
1589 error = ahc_aha398XX_setup(ahc);
1590 return (error);
1591 }
1592
1593 static int
1594 ahc_aic7890_setup(struct ahc_softc *ahc)
1595 {
1596 uint8_t rev;
1597
1598 ahc->channel = 'A';
1599 ahc->chip = AHC_AIC7890;
1600 ahc->features = AHC_AIC7890_FE;
1601 ahc->flags |= AHC_NEWEEPROM_FMT;
1602 rev = PCI_REVISION(ahc->bd->class);
1603 if (rev == 0)
1604 ahc->bugs |= AHC_AUTOFLUSH_BUG|AHC_CACHETHEN_BUG;
1605 return (0);
1606 }
1607
1608 static int
1609 ahc_aic7892_setup(struct ahc_softc *ahc)
1610 {
1611
1612 ahc->channel = 'A';
1613 ahc->chip = AHC_AIC7892;
1614 ahc->features = AHC_AIC7892_FE;
1615 ahc->flags |= AHC_NEWEEPROM_FMT;
1616 ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
1617 return (0);
1618 }
1619
1620 static int
1621 ahc_aic7895_setup(struct ahc_softc *ahc)
1622 {
1623 uint8_t rev;
1624
1625 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1626 /*
1627 * The 'C' revision of the aic7895 has a few additional features.
1628 */
1629 rev = PCI_REVISION(ahc->bd->class);
1630 if (rev >= 4) {
1631 ahc->chip = AHC_AIC7895C;
1632 ahc->features = AHC_AIC7895C_FE;
1633 } else {
1634 u_int command;
1635
1636 ahc->chip = AHC_AIC7895;
1637 ahc->features = AHC_AIC7895_FE;
1638
1639 /*
1640 * The BIOS disables the use of MWI transactions
1641 * since it does not have the MWI bug work around
1642 * we have. Disabling MWI reduces performance, so
1643 * turn it on again.
1644 */
1645 command = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1646 PCI_COMMAND_STATUS_REG);
1647 command |= PCI_COMMAND_INVALIDATE_ENABLE;
1648 pci_conf_write(ahc->bd->pc, ahc->bd->tag,
1649 PCI_COMMAND_STATUS_REG, command);
1650 ahc->bugs |= AHC_PCI_MWI_BUG;
1651 }
1652 /*
1653 * XXX Does CACHETHEN really not work??? What about PCI retry?
1654 * on C level chips. Need to test, but for now, play it safe.
1655 */
1656 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_PCI_2_1_RETRY_BUG
1657 | AHC_CACHETHEN_BUG;
1658
1659 #if 0
1660 uint32_t devconfig;
1661
1662 /*
1663 * Cachesize must also be zero due to stray DAC
1664 * problem when sitting behind some bridges.
1665 */
1666 pci_conf_write(ahc->bd->pc, ahc->bd->tag, CSIZE_LATTIME, 0);
1667 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1668 devconfig |= MRDCEN;
1669 pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig);
1670 #endif
1671 ahc->flags |= AHC_NEWEEPROM_FMT;
1672 return (0);
1673 }
1674
1675 static int
1676 ahc_aic7896_setup(struct ahc_softc *ahc)
1677 {
1678 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1679 ahc->chip = AHC_AIC7896;
1680 ahc->features = AHC_AIC7896_FE;
1681 ahc->flags |= AHC_NEWEEPROM_FMT;
1682 ahc->bugs |= AHC_CACHETHEN_DIS_BUG;
1683 return (0);
1684 }
1685
1686 static int
1687 ahc_aic7899_setup(struct ahc_softc *ahc)
1688 {
1689 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1690 ahc->chip = AHC_AIC7899;
1691 ahc->features = AHC_AIC7899_FE;
1692 ahc->flags |= AHC_NEWEEPROM_FMT;
1693 ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
1694 return (0);
1695 }
1696
1697 static int
1698 ahc_aha29160C_setup(struct ahc_softc *ahc)
1699 {
1700 int error;
1701
1702 error = ahc_aic7899_setup(ahc);
1703 if (error != 0)
1704 return (error);
1705 ahc->features |= AHC_REMOVABLE;
1706 return (0);
1707 }
1708
1709 static int
1710 ahc_raid_setup(struct ahc_softc *ahc)
1711 {
1712 printf("%s: RAID functionality unsupported\n", ahc->sc_dev.dv_xname);
1713 return (ENXIO);
1714 }
1715
1716 static int
1717 ahc_aha394XX_setup(struct ahc_softc *ahc)
1718 {
1719
1720 switch (ahc->bd->dev) {
1721 case AHC_394X_SLOT_CHANNEL_A:
1722 ahc->channel = 'A';
1723 break;
1724 case AHC_394X_SLOT_CHANNEL_B:
1725 ahc->channel = 'B';
1726 break;
1727 default:
1728 printf("adapter at unexpected slot %d\n"
1729 "unable to map to a channel\n",
1730 ahc->bd->dev);
1731 ahc->channel = 'A';
1732 }
1733 return (0);
1734 }
1735
1736 static int
1737 ahc_aha398XX_setup(struct ahc_softc *ahc)
1738 {
1739
1740 switch (ahc->bd->dev) {
1741 case AHC_398X_SLOT_CHANNEL_A:
1742 ahc->channel = 'A';
1743 break;
1744 case AHC_398X_SLOT_CHANNEL_B:
1745 ahc->channel = 'B';
1746 break;
1747 case AHC_398X_SLOT_CHANNEL_C:
1748 ahc->channel = 'C';
1749 break;
1750 default:
1751 printf("adapter at unexpected slot %d\n"
1752 "unable to map to a channel\n",
1753 ahc->bd->dev);
1754 ahc->channel = 'A';
1755 break;
1756 }
1757 ahc->flags |= AHC_LARGE_SEEPROM;
1758 return (0);
1759 }
1760
1761 static int
1762 ahc_aha494XX_setup(struct ahc_softc *ahc)
1763 {
1764
1765 switch (ahc->bd->dev) {
1766 case AHC_494X_SLOT_CHANNEL_A:
1767 ahc->channel = 'A';
1768 break;
1769 case AHC_494X_SLOT_CHANNEL_B:
1770 ahc->channel = 'B';
1771 break;
1772 case AHC_494X_SLOT_CHANNEL_C:
1773 ahc->channel = 'C';
1774 break;
1775 case AHC_494X_SLOT_CHANNEL_D:
1776 ahc->channel = 'D';
1777 break;
1778 default:
1779 printf("adapter at unexpected slot %d\n"
1780 "unable to map to a channel\n",
1781 ahc->bd->dev);
1782 ahc->channel = 'A';
1783 }
1784 ahc->flags |= AHC_LARGE_SEEPROM;
1785 return (0);
1786 }
1787