ahc_pci.c revision 1.42 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 1.42 2003/07/14 15:47:22 lukem 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 1.42 2003/07/14 15:47:22 lukem 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 #define AHC_PCI_IOADDR PCI_MAPREG_START /* I/O Address */
70 #define AHC_PCI_MEMADDR (PCI_MAPREG_START + 4) /* Mem I/O Address */
71
72 #include <dev/ic/aic7xxx_osm.h>
73 #include <dev/ic/aic7xxx_inline.h>
74
75 #include <dev/ic/smc93cx6var.h>
76
77
78 static __inline uint64_t
79 ahc_compose_id(u_int device, u_int vendor, u_int subdevice, u_int subvendor)
80 {
81 uint64_t id;
82
83 id = subvendor
84 | (subdevice << 16)
85 | ((uint64_t)vendor << 32)
86 | ((uint64_t)device << 48);
87
88 return (id);
89 }
90
91 #define ID_ALL_MASK 0xFFFFFFFFFFFFFFFFull
92 #define ID_DEV_VENDOR_MASK 0xFFFFFFFF00000000ull
93 #define ID_9005_GENERIC_MASK 0xFFF0FFFF00000000ull
94 #define ID_9005_SISL_MASK 0x000FFFFF00000000ull
95 #define ID_9005_SISL_ID 0x0005900500000000ull
96 #define ID_AIC7850 0x5078900400000000ull
97 #define ID_AHA_2902_04_10_15_20_30C 0x5078900478509004ull
98 #define ID_AIC7855 0x5578900400000000ull
99 #define ID_AIC7859 0x3860900400000000ull
100 #define ID_AHA_2930CU 0x3860900438699004ull
101 #define ID_AIC7860 0x6078900400000000ull
102 #define ID_AIC7860C 0x6078900478609004ull
103 #define ID_AHA_1480A 0x6075900400000000ull
104 #define ID_AHA_2940AU_0 0x6178900400000000ull
105 #define ID_AHA_2940AU_1 0x6178900478619004ull
106 #define ID_AHA_2940AU_CN 0x2178900478219004ull
107 #define ID_AHA_2930C_VAR 0x6038900438689004ull
108
109 #define ID_AIC7870 0x7078900400000000ull
110 #define ID_AHA_2940 0x7178900400000000ull
111 #define ID_AHA_3940 0x7278900400000000ull
112 #define ID_AHA_398X 0x7378900400000000ull
113 #define ID_AHA_2944 0x7478900400000000ull
114 #define ID_AHA_3944 0x7578900400000000ull
115 #define ID_AHA_4944 0x7678900400000000ull
116
117 #define ID_AIC7880 0x8078900400000000ull
118 #define ID_AIC7880_B 0x8078900478809004ull
119 #define ID_AHA_2940U 0x8178900400000000ull
120 #define ID_AHA_3940U 0x8278900400000000ull
121 #define ID_AHA_2944U 0x8478900400000000ull
122 #define ID_AHA_3944U 0x8578900400000000ull
123 #define ID_AHA_398XU 0x8378900400000000ull
124 #define ID_AHA_4944U 0x8678900400000000ull
125 #define ID_AHA_2940UB 0x8178900478819004ull
126 #define ID_AHA_2930U 0x8878900478889004ull
127 #define ID_AHA_2940U_PRO 0x8778900478879004ull
128 #define ID_AHA_2940U_CN 0x0078900478009004ull
129
130 #define ID_AIC7895 0x7895900478959004ull
131 #define ID_AIC7895_ARO 0x7890900478939004ull
132 #define ID_AIC7895_ARO_MASK 0xFFF0FFFFFFFFFFFFull
133 #define ID_AHA_2940U_DUAL 0x7895900478919004ull
134 #define ID_AHA_3940AU 0x7895900478929004ull
135 #define ID_AHA_3944AU 0x7895900478949004ull
136
137 #define ID_AIC7890 0x001F9005000F9005ull
138 #define ID_AIC7890_ARO 0x00139005000F9005ull
139 #define ID_AAA_131U2 0x0013900500039005ull
140 #define ID_AHA_2930U2 0x0011900501819005ull
141 #define ID_AHA_2940U2B 0x00109005A1009005ull
142 #define ID_AHA_2940U2_OEM 0x0010900521809005ull
143 #define ID_AHA_2940U2 0x00109005A1809005ull
144 #define ID_AHA_2950U2B 0x00109005E1009005ull
145
146 #define ID_AIC7892 0x008F9005FFFF9005ull
147 #define ID_AIC7892_ARO 0x00839005FFFF9005ull
148 #define ID_AHA_29160 0x00809005E2A09005ull
149 #define ID_AHA_29160_CPQ 0x00809005E2A00E11ull
150 #define ID_AHA_29160N 0x0080900562A09005ull
151 #define ID_AHA_29160C 0x0080900562209005ull
152 #define ID_AHA_29160B 0x00809005E2209005ull
153 #define ID_AHA_19160B 0x0081900562A19005ull
154
155 #define ID_AIC7896 0x005F9005FFFF9005ull
156 #define ID_AIC7896_ARO 0x00539005FFFF9005ull
157 #define ID_AHA_3950U2B_0 0x00509005FFFF9005ull
158 #define ID_AHA_3950U2B_1 0x00509005F5009005ull
159 #define ID_AHA_3950U2D_0 0x00519005FFFF9005ull
160 #define ID_AHA_3950U2D_1 0x00519005B5009005ull
161
162 #define ID_AIC7899 0x00CF9005FFFF9005ull
163 #define ID_AIC7899_ARO 0x00C39005FFFF9005ull
164 #define ID_AHA_3960D 0x00C09005F6209005ull
165 #define ID_AHA_3960D_CPQ 0x00C09005F6200E11ull
166
167 #define ID_AIC7810 0x1078900400000000ull
168 #define ID_AIC7815 0x7815900400000000ull
169
170 #define DEVID_9005_TYPE(id) ((id) & 0xF)
171 #define DEVID_9005_TYPE_HBA 0x0 /* Standard Card */
172 #define DEVID_9005_TYPE_AAA 0x3 /* RAID Card */
173 #define DEVID_9005_TYPE_SISL 0x5 /* Container ROMB */
174 #define DEVID_9005_TYPE_MB 0xF /* On Motherboard */
175
176 #define DEVID_9005_MAXRATE(id) (((id) & 0x30) >> 4)
177 #define DEVID_9005_MAXRATE_U160 0x0
178 #define DEVID_9005_MAXRATE_ULTRA2 0x1
179 #define DEVID_9005_MAXRATE_ULTRA 0x2
180 #define DEVID_9005_MAXRATE_FAST 0x3
181
182 #define DEVID_9005_MFUNC(id) (((id) & 0x40) >> 6)
183
184 #define DEVID_9005_CLASS(id) (((id) & 0xFF00) >> 8)
185 #define DEVID_9005_CLASS_SPI 0x0 /* Parallel SCSI */
186
187 #define SUBID_9005_TYPE(id) ((id) & 0xF)
188 #define SUBID_9005_TYPE_MB 0xF /* On Motherboard */
189 #define SUBID_9005_TYPE_CARD 0x0 /* Standard Card */
190 #define SUBID_9005_TYPE_LCCARD 0x1 /* Low Cost Card */
191 #define SUBID_9005_TYPE_RAID 0x3 /* Combined with Raid */
192
193 #define SUBID_9005_TYPE_KNOWN(id) \
194 ((((id) & 0xF) == SUBID_9005_TYPE_MB) \
195 || (((id) & 0xF) == SUBID_9005_TYPE_CARD) \
196 || (((id) & 0xF) == SUBID_9005_TYPE_LCCARD) \
197 || (((id) & 0xF) == SUBID_9005_TYPE_RAID))
198
199 #define SUBID_9005_MAXRATE(id) (((id) & 0x30) >> 4)
200 #define SUBID_9005_MAXRATE_ULTRA2 0x0
201 #define SUBID_9005_MAXRATE_ULTRA 0x1
202 #define SUBID_9005_MAXRATE_U160 0x2
203 #define SUBID_9005_MAXRATE_RESERVED 0x3
204
205 #define SUBID_9005_SEEPTYPE(id) \
206 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
207 ? ((id) & 0xC0) >> 6 \
208 : ((id) & 0x300) >> 8)
209 #define SUBID_9005_SEEPTYPE_NONE 0x0
210 #define SUBID_9005_SEEPTYPE_1K 0x1
211 #define SUBID_9005_SEEPTYPE_2K_4K 0x2
212 #define SUBID_9005_SEEPTYPE_RESERVED 0x3
213 #define SUBID_9005_AUTOTERM(id) \
214 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
215 ? (((id) & 0x400) >> 10) == 0 \
216 : (((id) & 0x40) >> 6) == 0)
217
218 #define SUBID_9005_NUMCHAN(id) \
219 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
220 ? ((id) & 0x300) >> 8 \
221 : ((id) & 0xC00) >> 10)
222
223 #define SUBID_9005_LEGACYCONN(id) \
224 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
225 ? 0 \
226 : ((id) & 0x80) >> 7)
227
228 #define SUBID_9005_MFUNCENB(id) \
229 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
230 ? ((id) & 0x800) >> 11 \
231 : ((id) & 0x1000) >> 12)
232 /*
233 * Informational only. Should use chip register to be
234 * certain, but may be use in identification strings.
235 */
236 #define SUBID_9005_CARD_SCSIWIDTH_MASK 0x2000
237 #define SUBID_9005_CARD_PCIWIDTH_MASK 0x4000
238 #define SUBID_9005_CARD_SEDIFF_MASK 0x8000
239
240 static ahc_device_setup_t ahc_aic785X_setup;
241 static ahc_device_setup_t ahc_aic7860_setup;
242 static ahc_device_setup_t ahc_apa1480_setup;
243 static ahc_device_setup_t ahc_aic7870_setup;
244 static ahc_device_setup_t ahc_aha394X_setup;
245 static ahc_device_setup_t ahc_aha494X_setup;
246 static ahc_device_setup_t ahc_aha398X_setup;
247 static ahc_device_setup_t ahc_aic7880_setup;
248 static ahc_device_setup_t ahc_aha2940Pro_setup;
249 static ahc_device_setup_t ahc_aha394XU_setup;
250 static ahc_device_setup_t ahc_aha398XU_setup;
251 static ahc_device_setup_t ahc_aic7890_setup;
252 static ahc_device_setup_t ahc_aic7892_setup;
253 static ahc_device_setup_t ahc_aic7895_setup;
254 static ahc_device_setup_t ahc_aic7896_setup;
255 static ahc_device_setup_t ahc_aic7899_setup;
256 static ahc_device_setup_t ahc_aha29160C_setup;
257 static ahc_device_setup_t ahc_raid_setup;
258 static ahc_device_setup_t ahc_aha394XX_setup;
259 static ahc_device_setup_t ahc_aha494XX_setup;
260 static ahc_device_setup_t ahc_aha398XX_setup;
261
262 struct ahc_pci_identity ahc_pci_ident_table [] =
263 {
264 /* aic7850 based controllers */
265 {
266 ID_AHA_2902_04_10_15_20_30C,
267 ID_ALL_MASK,
268 "Adaptec 2902/04/10/15/20/30C SCSI adapter",
269 ahc_aic785X_setup
270 },
271 /* aic7860 based controllers */
272 {
273 ID_AHA_2930CU,
274 ID_ALL_MASK,
275 "Adaptec 2930CU SCSI adapter",
276 ahc_aic7860_setup
277 },
278 {
279 ID_AHA_1480A & ID_DEV_VENDOR_MASK,
280 ID_DEV_VENDOR_MASK,
281 "Adaptec 1480A Ultra SCSI adapter",
282 ahc_apa1480_setup
283 },
284 {
285 ID_AHA_2940AU_0 & ID_DEV_VENDOR_MASK,
286 ID_DEV_VENDOR_MASK,
287 "Adaptec 2940A Ultra SCSI adapter",
288 ahc_aic7860_setup
289 },
290 {
291 ID_AHA_2940AU_CN & ID_DEV_VENDOR_MASK,
292 ID_DEV_VENDOR_MASK,
293 "Adaptec 2940A/CN Ultra SCSI adapter",
294 ahc_aic7860_setup
295 },
296 {
297 ID_AHA_2930C_VAR & ID_DEV_VENDOR_MASK,
298 ID_DEV_VENDOR_MASK,
299 "Adaptec 2930C Ultra SCSI adapter (VAR)",
300 ahc_aic7860_setup
301 },
302 /* aic7870 based controllers */
303 {
304 ID_AHA_2940,
305 ID_ALL_MASK,
306 "Adaptec 2940 SCSI adapter",
307 ahc_aic7870_setup
308 },
309 {
310 ID_AHA_3940,
311 ID_ALL_MASK,
312 "Adaptec 3940 SCSI adapter",
313 ahc_aha394X_setup
314 },
315 {
316 ID_AHA_398X,
317 ID_ALL_MASK,
318 "Adaptec 398X SCSI RAID adapter",
319 ahc_aha398X_setup
320 },
321 {
322 ID_AHA_2944,
323 ID_ALL_MASK,
324 "Adaptec 2944 SCSI adapter",
325 ahc_aic7870_setup
326 },
327 {
328 ID_AHA_3944,
329 ID_ALL_MASK,
330 "Adaptec 3944 SCSI adapter",
331 ahc_aha394X_setup
332 },
333 {
334 ID_AHA_4944,
335 ID_ALL_MASK,
336 "Adaptec 4944 SCSI adapter",
337 ahc_aha494X_setup
338 },
339 /* aic7880 based controllers */
340 {
341 ID_AHA_2940U & ID_DEV_VENDOR_MASK,
342 ID_DEV_VENDOR_MASK,
343 "Adaptec 2940 Ultra SCSI adapter",
344 ahc_aic7880_setup
345 },
346 {
347 ID_AHA_3940U & ID_DEV_VENDOR_MASK,
348 ID_DEV_VENDOR_MASK,
349 "Adaptec 3940 Ultra SCSI adapter",
350 ahc_aha394XU_setup
351 },
352 {
353 ID_AHA_2944U & ID_DEV_VENDOR_MASK,
354 ID_DEV_VENDOR_MASK,
355 "Adaptec 2944 Ultra SCSI adapter",
356 ahc_aic7880_setup
357 },
358 {
359 ID_AHA_3944U & ID_DEV_VENDOR_MASK,
360 ID_DEV_VENDOR_MASK,
361 "Adaptec 3944 Ultra SCSI adapter",
362 ahc_aha394XU_setup
363 },
364 {
365 ID_AHA_398XU & ID_DEV_VENDOR_MASK,
366 ID_DEV_VENDOR_MASK,
367 "Adaptec 398X Ultra SCSI RAID adapter",
368 ahc_aha398XU_setup
369 },
370 {
371 /*
372 * XXX Don't know the slot numbers
373 * so we can't identify channels
374 */
375 ID_AHA_4944U & ID_DEV_VENDOR_MASK,
376 ID_DEV_VENDOR_MASK,
377 "Adaptec 4944 Ultra SCSI adapter",
378 ahc_aic7880_setup
379 },
380 {
381 ID_AHA_2930U & ID_DEV_VENDOR_MASK,
382 ID_DEV_VENDOR_MASK,
383 "Adaptec 2930 Ultra SCSI adapter",
384 ahc_aic7880_setup
385 },
386 {
387 ID_AHA_2940U_PRO & ID_DEV_VENDOR_MASK,
388 ID_DEV_VENDOR_MASK,
389 "Adaptec 2940 Pro Ultra SCSI adapter",
390 ahc_aha2940Pro_setup
391 },
392 {
393 ID_AHA_2940U_CN & ID_DEV_VENDOR_MASK,
394 ID_DEV_VENDOR_MASK,
395 "Adaptec 2940/CN Ultra SCSI adapter",
396 ahc_aic7880_setup
397 },
398 /* Ignore all SISL (AAC on MB) based controllers. */
399 {
400 ID_9005_SISL_ID,
401 ID_9005_SISL_MASK,
402 NULL,
403 NULL
404 },
405 /* aic7890 based controllers */
406 {
407 ID_AHA_2930U2,
408 ID_ALL_MASK,
409 "Adaptec 2930 Ultra2 SCSI adapter",
410 ahc_aic7890_setup
411 },
412 {
413 ID_AHA_2940U2B,
414 ID_ALL_MASK,
415 "Adaptec 2940B Ultra2 SCSI adapter",
416 ahc_aic7890_setup
417 },
418 {
419 ID_AHA_2940U2_OEM,
420 ID_ALL_MASK,
421 "Adaptec 2940 Ultra2 SCSI adapter (OEM)",
422 ahc_aic7890_setup
423 },
424 {
425 ID_AHA_2940U2,
426 ID_ALL_MASK,
427 "Adaptec 2940 Ultra2 SCSI adapter",
428 ahc_aic7890_setup
429 },
430 {
431 ID_AHA_2950U2B,
432 ID_ALL_MASK,
433 "Adaptec 2950 Ultra2 SCSI adapter",
434 ahc_aic7890_setup
435 },
436 {
437 ID_AIC7890_ARO,
438 ID_ALL_MASK,
439 "Adaptec aic7890/91 Ultra2 SCSI adapter (ARO)",
440 ahc_aic7890_setup
441 },
442 {
443 ID_AAA_131U2,
444 ID_ALL_MASK,
445 "Adaptec AAA-131 Ultra2 RAID adapter",
446 ahc_aic7890_setup
447 },
448 /* aic7892 based controllers */
449 {
450 ID_AHA_29160,
451 ID_ALL_MASK,
452 "Adaptec 29160 Ultra160 SCSI adapter",
453 ahc_aic7892_setup
454 },
455 {
456 ID_AHA_29160_CPQ,
457 ID_ALL_MASK,
458 "Adaptec (Compaq OEM) 29160 Ultra160 SCSI adapter",
459 ahc_aic7892_setup
460 },
461 {
462 ID_AHA_29160N,
463 ID_ALL_MASK,
464 "Adaptec 29160N Ultra160 SCSI adapter",
465 ahc_aic7892_setup
466 },
467 {
468 ID_AHA_29160C,
469 ID_ALL_MASK,
470 "Adaptec 29160C Ultra160 SCSI adapter",
471 ahc_aha29160C_setup
472 },
473 {
474 ID_AHA_29160B,
475 ID_ALL_MASK,
476 "Adaptec 29160B Ultra160 SCSI adapter",
477 ahc_aic7892_setup
478 },
479 {
480 ID_AHA_19160B,
481 ID_ALL_MASK,
482 "Adaptec 19160B Ultra160 SCSI adapter",
483 ahc_aic7892_setup
484 },
485 {
486 ID_AIC7892_ARO,
487 ID_ALL_MASK,
488 "Adaptec aic7892 Ultra160 SCSI adapter (ARO)",
489 ahc_aic7892_setup
490 },
491 /* aic7895 based controllers */
492 {
493 ID_AHA_2940U_DUAL,
494 ID_ALL_MASK,
495 "Adaptec 2940/DUAL Ultra SCSI adapter",
496 ahc_aic7895_setup
497 },
498 {
499 ID_AHA_3940AU,
500 ID_ALL_MASK,
501 "Adaptec 3940A Ultra SCSI adapter",
502 ahc_aic7895_setup
503 },
504 {
505 ID_AHA_3944AU,
506 ID_ALL_MASK,
507 "Adaptec 3944A Ultra SCSI adapter",
508 ahc_aic7895_setup
509 },
510 {
511 ID_AIC7895_ARO,
512 ID_AIC7895_ARO_MASK,
513 "Adaptec aic7895 Ultra SCSI adapter (ARO)",
514 ahc_aic7895_setup
515 },
516 /* aic7896/97 based controllers */
517 {
518 ID_AHA_3950U2B_0,
519 ID_ALL_MASK,
520 "Adaptec 3950B Ultra2 SCSI adapter",
521 ahc_aic7896_setup
522 },
523 {
524 ID_AHA_3950U2B_1,
525 ID_ALL_MASK,
526 "Adaptec 3950B Ultra2 SCSI adapter",
527 ahc_aic7896_setup
528 },
529 {
530 ID_AHA_3950U2D_0,
531 ID_ALL_MASK,
532 "Adaptec 3950D Ultra2 SCSI adapter",
533 ahc_aic7896_setup
534 },
535 {
536 ID_AHA_3950U2D_1,
537 ID_ALL_MASK,
538 "Adaptec 3950D Ultra2 SCSI adapter",
539 ahc_aic7896_setup
540 },
541 {
542 ID_AIC7896_ARO,
543 ID_ALL_MASK,
544 "Adaptec aic7896/97 Ultra2 SCSI adapter (ARO)",
545 ahc_aic7896_setup
546 },
547 /* aic7899 based controllers */
548 {
549 ID_AHA_3960D,
550 ID_ALL_MASK,
551 "Adaptec 3960D Ultra160 SCSI adapter",
552 ahc_aic7899_setup
553 },
554 {
555 ID_AHA_3960D_CPQ,
556 ID_ALL_MASK,
557 "Adaptec (Compaq OEM) 3960D Ultra160 SCSI adapter",
558 ahc_aic7899_setup
559 },
560 {
561 ID_AIC7899_ARO,
562 ID_ALL_MASK,
563 "Adaptec aic7899 Ultra160 SCSI adapter (ARO)",
564 ahc_aic7899_setup
565 },
566 /* Generic chip probes for devices we don't know 'exactly' */
567 {
568 ID_AIC7850 & ID_DEV_VENDOR_MASK,
569 ID_DEV_VENDOR_MASK,
570 "Adaptec aic7850 SCSI adapter",
571 ahc_aic785X_setup
572 },
573 {
574 ID_AIC7855 & ID_DEV_VENDOR_MASK,
575 ID_DEV_VENDOR_MASK,
576 "Adaptec aic7855 SCSI adapter",
577 ahc_aic785X_setup
578 },
579 {
580 ID_AIC7859 & ID_DEV_VENDOR_MASK,
581 ID_DEV_VENDOR_MASK,
582 "Adaptec aic7859 SCSI adapter",
583 ahc_aic7860_setup
584 },
585 {
586 ID_AIC7860 & ID_DEV_VENDOR_MASK,
587 ID_DEV_VENDOR_MASK,
588 "Adaptec aic7860 Ultra SCSI adapter",
589 ahc_aic7860_setup
590 },
591 {
592 ID_AIC7870 & ID_DEV_VENDOR_MASK,
593 ID_DEV_VENDOR_MASK,
594 "Adaptec aic7870 SCSI adapter",
595 ahc_aic7870_setup
596 },
597 {
598 ID_AIC7880 & ID_DEV_VENDOR_MASK,
599 ID_DEV_VENDOR_MASK,
600 "Adaptec aic7880 Ultra SCSI adapter",
601 ahc_aic7880_setup
602 },
603 {
604 ID_AIC7890 & ID_9005_GENERIC_MASK,
605 ID_9005_GENERIC_MASK,
606 "Adaptec aic7890/91 Ultra2 SCSI adapter",
607 ahc_aic7890_setup
608 },
609 {
610 ID_AIC7892 & ID_9005_GENERIC_MASK,
611 ID_9005_GENERIC_MASK,
612 "Adaptec aic7892 Ultra160 SCSI adapter",
613 ahc_aic7892_setup
614 },
615 {
616 ID_AIC7895 & ID_DEV_VENDOR_MASK,
617 ID_DEV_VENDOR_MASK,
618 "Adaptec aic7895 Ultra SCSI adapter",
619 ahc_aic7895_setup
620 },
621 {
622 ID_AIC7896 & ID_9005_GENERIC_MASK,
623 ID_9005_GENERIC_MASK,
624 "Adaptec aic7896/97 Ultra2 SCSI adapter",
625 ahc_aic7896_setup
626 },
627 {
628 ID_AIC7899 & ID_9005_GENERIC_MASK,
629 ID_9005_GENERIC_MASK,
630 "Adaptec aic7899 Ultra160 SCSI adapter",
631 ahc_aic7899_setup
632 },
633 {
634 ID_AIC7810 & ID_DEV_VENDOR_MASK,
635 ID_DEV_VENDOR_MASK,
636 "Adaptec aic7810 RAID memory controller",
637 ahc_raid_setup
638 },
639 {
640 ID_AIC7815 & ID_DEV_VENDOR_MASK,
641 ID_DEV_VENDOR_MASK,
642 "Adaptec aic7815 RAID memory controller",
643 ahc_raid_setup
644 }
645 };
646
647 const u_int ahc_num_pci_devs = NUM_ELEMENTS(ahc_pci_ident_table);
648
649 #define AHC_394X_SLOT_CHANNEL_A 4
650 #define AHC_394X_SLOT_CHANNEL_B 5
651
652 #define AHC_398X_SLOT_CHANNEL_A 4
653 #define AHC_398X_SLOT_CHANNEL_B 8
654 #define AHC_398X_SLOT_CHANNEL_C 12
655
656 #define AHC_494X_SLOT_CHANNEL_A 4
657 #define AHC_494X_SLOT_CHANNEL_B 5
658 #define AHC_494X_SLOT_CHANNEL_C 6
659 #define AHC_494X_SLOT_CHANNEL_D 7
660
661 #define DEVCONFIG 0x40
662 #define PCIERRGENDIS 0x80000000ul
663 #define SCBSIZE32 0x00010000ul /* aic789X only */
664 #define REXTVALID 0x00001000ul /* ultra cards only */
665 #define MPORTMODE 0x00000400ul /* aic7870+ only */
666 #define RAMPSM 0x00000200ul /* aic7870+ only */
667 #define VOLSENSE 0x00000100ul
668 #define PCI64BIT 0x00000080ul /* 64Bit PCI bus (Ultra2 Only)*/
669 #define SCBRAMSEL 0x00000080ul
670 #define MRDCEN 0x00000040ul
671 #define EXTSCBTIME 0x00000020ul /* aic7870 only */
672 #define EXTSCBPEN 0x00000010ul /* aic7870 only */
673 #define BERREN 0x00000008ul
674 #define DACEN 0x00000004ul
675 #define STPWLEVEL 0x00000002ul
676 #define DIFACTNEGEN 0x00000001ul /* aic7870 only */
677
678 #define CSIZE_LATTIME 0x0c
679 #define CACHESIZE 0x0000003ful /* only 5 bits */
680 #define LATTIME 0x0000ff00ul
681
682 /* PCI STATUS definitions */
683 #define DPE 0x80
684 #define SSE 0x40
685 #define RMA 0x20
686 #define RTA 0x10
687 #define STA 0x08
688 #define DPR 0x01
689
690 static int ahc_9005_subdevinfo_valid(uint16_t vendor, uint16_t device,
691 uint16_t subvendor, uint16_t subdevice);
692 static int ahc_ext_scbram_present(struct ahc_softc *ahc);
693 static void ahc_scbram_config(struct ahc_softc *ahc, int enable,
694 int pcheck, int fast, int large);
695 static void ahc_probe_ext_scbram(struct ahc_softc *ahc);
696
697 int ahc_pci_probe __P((struct device *, struct cfdata *, void *));
698 void ahc_pci_attach __P((struct device *, struct device *, void *));
699
700
701 CFATTACH_DECL(ahc_pci, sizeof(struct ahc_softc),
702 ahc_pci_probe, ahc_pci_attach, NULL, NULL);
703
704 const struct ahc_pci_identity *
705 ahc_find_pci_device(id, subid, func)
706 pcireg_t id, subid;
707 u_int func;
708 {
709 u_int64_t full_id;
710 const struct ahc_pci_identity *entry;
711 u_int i;
712
713 full_id = ahc_compose_id(PCI_PRODUCT(id), PCI_VENDOR(id),
714 PCI_PRODUCT(subid), PCI_VENDOR(subid));
715
716 /*
717 * If the second function is not hooked up, ignore it.
718 * Unfortunately, not all MB vendors implement the
719 * subdevice ID as per the Adaptec spec, so do our best
720 * to sanity check it prior to accepting the subdevice
721 * ID as valid.
722 */
723 if (func > 0
724 && ahc_9005_subdevinfo_valid(PCI_VENDOR(id), PCI_PRODUCT(id),
725 PCI_VENDOR(subid), PCI_PRODUCT(subid))
726 && SUBID_9005_MFUNCENB(PCI_PRODUCT(subid)) == 0)
727 return (NULL);
728
729 for (i = 0; i < ahc_num_pci_devs; i++) {
730 entry = &ahc_pci_ident_table[i];
731 if (entry->full_id == (full_id & entry->id_mask))
732 return (entry);
733 }
734 return (NULL);
735 }
736
737 int
738 ahc_pci_probe(parent, match, aux)
739 struct device *parent;
740 struct cfdata *match;
741 void *aux;
742 {
743 struct pci_attach_args *pa = aux;
744 const struct ahc_pci_identity *entry;
745 pcireg_t subid;
746
747 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
748 entry = ahc_find_pci_device(pa->pa_id, subid, pa->pa_function);
749 return (entry != NULL && entry->setup != NULL) ? 1 : 0;
750 }
751
752 void
753 ahc_pci_attach(parent, self, aux)
754 struct device *parent, *self;
755 void *aux;
756 {
757 struct pci_attach_args *pa = aux;
758 const struct ahc_pci_identity *entry;
759 struct ahc_softc *ahc = (void *)self;
760 pcireg_t command;
761 u_int our_id = 0;
762 u_int sxfrctl1;
763 u_int scsiseq;
764 u_int sblkctl;
765 uint8_t dscommand0;
766 uint32_t devconfig;
767 int error;
768 pcireg_t subid;
769 int ioh_valid, memh_valid;
770 bus_space_tag_t st, iot;
771 bus_space_handle_t sh, ioh;
772 #ifdef AHC_ALLOW_MEMIO
773 bus_space_tag_t memt;
774 bus_space_handle_t memh;
775 pcireg_t memtype;
776 #endif
777 pci_intr_handle_t ih;
778 const char *intrstr;
779 struct ahc_pci_busdata *bd;
780
781 ahc_set_name(ahc, ahc->sc_dev.dv_xname);
782 ahc->parent_dmat = pa->pa_dmat;
783
784 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
785 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
786 entry = ahc_find_pci_device(pa->pa_id, subid, pa->pa_function);
787 if (entry == NULL)
788 return;
789
790 /* Keep information about the PCI bus */
791 bd = malloc(sizeof (struct ahc_pci_busdata), M_DEVBUF, M_NOWAIT);
792 if (bd == NULL) {
793 printf("%s: unable to allocate bus-specific data\n", ahc_name(ahc));
794 return;
795 }
796 memset(bd, 0, sizeof(struct ahc_pci_busdata));
797
798 bd->pc = pa->pa_pc;
799 bd->tag = pa->pa_tag;
800 bd->func = pa->pa_function;
801 bd->dev = pa->pa_device;
802 bd->class = pa->pa_class;
803
804 ahc->bd = bd;
805
806 ahc->description = entry->name;
807
808 error = entry->setup(ahc);
809 if (error != 0)
810 return;
811
812 ioh_valid = memh_valid = 0;
813
814 #ifdef AHC_ALLOW_MEMIO
815 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, AHC_PCI_MEMADDR);
816 switch (memtype) {
817 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
818 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
819 memh_valid = (pci_mapreg_map(pa, AHC_PCI_MEMADDR,
820 memtype, 0, &memt, &memh, NULL, NULL) == 0);
821 break;
822 default:
823 memh_valid = 0;
824 }
825 #endif
826 ioh_valid = (pci_mapreg_map(pa, AHC_PCI_IOADDR,
827 PCI_MAPREG_TYPE_IO, 0, &iot,
828 &ioh, NULL, NULL) == 0);
829 #if 0
830 printf("%s: mem mapping: memt 0x%x, memh 0x%x, iot 0x%x, ioh 0x%lx\n",
831 ahc_name(ahc), memt, (u_int32_t)memh, (u_int32_t)iot, ioh);
832 #endif
833
834 if (ioh_valid) {
835 st = iot;
836 sh = ioh;
837 #ifdef AHC_ALLOW_MEMIO
838 } else if (memh_valid) {
839 st = memt;
840 sh = memh;
841 #endif
842 } else {
843 printf(": unable to map registers\n");
844 return;
845 }
846 ahc->tag = st;
847 ahc->bsh = sh;
848
849 ahc->chip |= AHC_PCI;
850 /*
851 * Before we continue probing the card, ensure that
852 * its interrupts are *disabled*. We don't want
853 * a misstep to hang the machine in an interrupt
854 * storm.
855 */
856 ahc_intr_enable(ahc, FALSE);
857
858 /*
859 * XXX somehow reading this once fails on some sparc64 systems.
860 * This may be a problem in the sparc64 PCI code. Doing it
861 * twice works around it.
862 */
863 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
864 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
865
866 /*
867 * If we need to support high memory, enable dual
868 * address cycles. This bit must be set to enable
869 * high address bit generation even if we are on a
870 * 64bit bus (PCI64BIT set in devconfig).
871 */
872 if ((ahc->flags & AHC_39BIT_ADDRESSING) != 0) {
873
874 if (1/*bootverbose*/)
875 printf("%s: Enabling 39Bit Addressing\n",
876 ahc_name(ahc));
877 devconfig |= DACEN;
878 }
879
880 /* Ensure that pci error generation, a test feature, is disabled. */
881 devconfig |= PCIERRGENDIS;
882
883 pci_conf_write(pa->pa_pc, pa->pa_tag, DEVCONFIG, devconfig);
884
885 /* Ensure busmastering is enabled */
886 command |= PCI_COMMAND_MASTER_ENABLE;;
887 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
888
889 /*
890 * Disable PCI parity error reporting. Users typically
891 * do this to work around broken PCI chipsets that get
892 * the parity timing wrong and thus generate lots of spurious
893 * errors.
894 */
895 if ((ahc->flags & AHC_DISABLE_PCI_PERR) != 0)
896 command &= ~PCI_COMMAND_PARITY_ENABLE;
897 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
898
899 /* On all PCI adapters, we allow SCB paging */
900 ahc->flags |= AHC_PAGESCBS;
901 error = ahc_softc_init(ahc);
902 if (error != 0)
903 goto error_out;
904
905 ahc->bus_intr = ahc_pci_intr;
906
907 /* Remember how the card was setup in case there is no SEEPROM */
908 if ((ahc_inb(ahc, HCNTRL) & POWRDN) == 0) {
909 ahc_pause(ahc);
910 if ((ahc->features & AHC_ULTRA2) != 0)
911 our_id = ahc_inb(ahc, SCSIID_ULTRA2) & OID;
912 else
913 our_id = ahc_inb(ahc, SCSIID) & OID;
914 sxfrctl1 = ahc_inb(ahc, SXFRCTL1) & STPWEN;
915 scsiseq = ahc_inb(ahc, SCSISEQ);
916 } else {
917 sxfrctl1 = STPWEN;
918 our_id = 7;
919 scsiseq = 0;
920 }
921
922 error = ahc_reset(ahc);
923 if (error != 0)
924 goto error_out;
925
926 if ((ahc->features & AHC_DT) != 0) {
927 u_int sfunct;
928
929 /* Perform ALT-Mode Setup */
930 sfunct = ahc_inb(ahc, SFUNCT) & ~ALT_MODE;
931 ahc_outb(ahc, SFUNCT, sfunct | ALT_MODE);
932 ahc_outb(ahc, OPTIONMODE,
933 OPTIONMODE_DEFAULTS|AUTOACKEN|BUSFREEREV|EXPPHASEDIS);
934 ahc_outb(ahc, SFUNCT, sfunct);
935
936 /* Normal mode setup */
937 ahc_outb(ahc, CRCCONTROL1, CRCVALCHKEN|CRCENDCHKEN|CRCREQCHKEN
938 |TARGCRCENDEN);
939 }
940
941 if (pci_intr_map(pa, &ih)) {
942 printf("%s: couldn't map interrupt\n", ahc_name(ahc));
943 ahc_free(ahc);
944 return;
945 }
946 intrstr = pci_intr_string(pa->pa_pc, ih);
947 ahc->ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, ahc_intr, ahc);
948 if (ahc->ih == NULL) {
949 printf("%s: couldn't establish interrupt",
950 ahc->sc_dev.dv_xname);
951 if (intrstr != NULL)
952 printf(" at %s", intrstr);
953 printf("\n");
954 ahc_free(ahc);
955 return;
956 }
957 printf("\n");
958 if (intrstr != NULL)
959 printf("%s: interrupting at %s\n", ahc_name(ahc), intrstr);
960
961 dscommand0 = ahc_inb(ahc, DSCOMMAND0);
962 dscommand0 |= MPARCKEN|CACHETHEN;
963 if ((ahc->features & AHC_ULTRA2) != 0) {
964
965 /*
966 * DPARCKEN doesn't work correctly on
967 * some MBs so don't use it.
968 */
969 dscommand0 &= ~DPARCKEN;
970 }
971
972 /*
973 * Handle chips that must have cache line
974 * streaming (dis/en)abled.
975 */
976 if ((ahc->bugs & AHC_CACHETHEN_DIS_BUG) != 0)
977 dscommand0 |= CACHETHEN;
978
979 if ((ahc->bugs & AHC_CACHETHEN_BUG) != 0)
980 dscommand0 &= ~CACHETHEN;
981
982 ahc_outb(ahc, DSCOMMAND0, dscommand0);
983
984 ahc->pci_cachesize =
985 pci_conf_read(pa->pa_pc, pa->pa_tag, CSIZE_LATTIME) & CACHESIZE;
986 ahc->pci_cachesize *= 4;
987
988 if ((ahc->bugs & AHC_PCI_2_1_RETRY_BUG) != 0
989 && ahc->pci_cachesize == 4) {
990 pci_conf_write(pa->pa_pc, pa->pa_tag, CSIZE_LATTIME, 0);
991 ahc->pci_cachesize = 0;
992 }
993
994 /*
995 * We cannot perform ULTRA speeds without the presence
996 * of the external precision resistor.
997 */
998 if ((ahc->features & AHC_ULTRA) != 0) {
999 uint32_t devconfig;
1000
1001 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
1002 if ((devconfig & REXTVALID) == 0)
1003 ahc->features &= ~AHC_ULTRA;
1004 }
1005
1006 ahc->seep_config = malloc(sizeof(*ahc->seep_config),
1007 M_DEVBUF, M_NOWAIT);
1008 if (ahc->seep_config == NULL)
1009 goto error_out;
1010
1011 memset(ahc->seep_config, 0, sizeof(*ahc->seep_config));
1012
1013 /* See if we have a SEEPROM and perform auto-term */
1014 ahc_check_extport(ahc, &sxfrctl1);
1015
1016 /*
1017 * Take the LED out of diagnostic mode
1018 */
1019 sblkctl = ahc_inb(ahc, SBLKCTL);
1020 ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON)));
1021
1022 if ((ahc->features & AHC_ULTRA2) != 0) {
1023 ahc_outb(ahc, DFF_THRSH, RD_DFTHRSH_MAX|WR_DFTHRSH_MAX);
1024 } else {
1025 ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100);
1026 }
1027
1028 if (ahc->flags & AHC_USEDEFAULTS) {
1029 /*
1030 * PCI Adapter default setup
1031 * Should only be used if the adapter does not have
1032 * a SEEPROM.
1033 */
1034 /* See if someone else set us up already */
1035 if ((ahc->flags & AHC_NO_BIOS_INIT) == 0
1036 && scsiseq != 0) {
1037 printf("%s: Using left over BIOS settings\n",
1038 ahc_name(ahc));
1039 ahc->flags &= ~AHC_USEDEFAULTS;
1040 ahc->flags |= AHC_BIOS_ENABLED;
1041 } else {
1042 /*
1043 * Assume only one connector and always turn
1044 * on termination.
1045 */
1046 our_id = 0x07;
1047 sxfrctl1 = STPWEN;
1048 }
1049 ahc_outb(ahc, SCSICONF, our_id|ENSPCHK|RESET_SCSI);
1050
1051 ahc->our_id = our_id;
1052 }
1053
1054 /*
1055 * Take a look to see if we have external SRAM.
1056 * We currently do not attempt to use SRAM that is
1057 * shared among multiple controllers.
1058 */
1059 ahc_probe_ext_scbram(ahc);
1060
1061 /*
1062 * Record our termination setting for the
1063 * generic initialization routine.
1064 */
1065 if ((sxfrctl1 & STPWEN) != 0)
1066 ahc->flags |= AHC_TERM_ENB_A;
1067
1068 if (ahc_init(ahc))
1069 goto error_out;
1070
1071 ahc_attach(ahc);
1072
1073 return;
1074
1075 error_out:
1076 ahc_free(ahc);
1077 return;
1078 }
1079
1080 static int
1081 ahc_9005_subdevinfo_valid(uint16_t device, uint16_t vendor,
1082 uint16_t subdevice, uint16_t subvendor)
1083 {
1084 int result;
1085
1086 /* Default to invalid. */
1087 result = 0;
1088 if (vendor == 0x9005
1089 && subvendor == 0x9005
1090 && subdevice != device
1091 && SUBID_9005_TYPE_KNOWN(subdevice) != 0) {
1092
1093 switch (SUBID_9005_TYPE(subdevice)) {
1094 case SUBID_9005_TYPE_MB:
1095 break;
1096 case SUBID_9005_TYPE_CARD:
1097 case SUBID_9005_TYPE_LCCARD:
1098 /*
1099 * Currently only trust Adaptec cards to
1100 * get the sub device info correct.
1101 */
1102 if (DEVID_9005_TYPE(device) == DEVID_9005_TYPE_HBA)
1103 result = 1;
1104 break;
1105 case SUBID_9005_TYPE_RAID:
1106 break;
1107 default:
1108 break;
1109 }
1110 }
1111 return (result);
1112 }
1113
1114
1115 /*
1116 * Test for the presense of external sram in an
1117 * "unshared" configuration.
1118 */
1119 static int
1120 ahc_ext_scbram_present(struct ahc_softc *ahc)
1121 {
1122 u_int chip;
1123 int ramps;
1124 int single_user;
1125 uint32_t devconfig;
1126
1127 chip = ahc->chip & AHC_CHIPID_MASK;
1128 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1129 single_user = (devconfig & MPORTMODE) != 0;
1130
1131 if ((ahc->features & AHC_ULTRA2) != 0)
1132 ramps = (ahc_inb(ahc, DSCOMMAND0) & RAMPS) != 0;
1133 else if (chip == AHC_AIC7895 || chip == AHC_AIC7895C)
1134 /*
1135 * External SCBRAM arbitration is flakey
1136 * on these chips. Unfortunately this means
1137 * we don't use the extra SCB ram space on the
1138 * 3940AUW.
1139 */
1140 ramps = 0;
1141 else if (chip >= AHC_AIC7870)
1142 ramps = (devconfig & RAMPSM) != 0;
1143 else
1144 ramps = 0;
1145
1146 if (ramps && single_user)
1147 return (1);
1148 return (0);
1149 }
1150
1151 /*
1152 * Enable external scbram.
1153 */
1154 static void
1155 ahc_scbram_config(struct ahc_softc *ahc, int enable, int pcheck,
1156 int fast, int large)
1157 {
1158 uint32_t devconfig;
1159
1160 if (ahc->features & AHC_MULTI_FUNC) {
1161 /*
1162 * Set the SCB Base addr (highest address bit)
1163 * depending on which channel we are.
1164 */
1165 ahc_outb(ahc, SCBBADDR, ahc->bd->func);
1166 }
1167
1168 ahc->flags &= ~AHC_LSCBS_ENABLED;
1169 if (large)
1170 ahc->flags |= AHC_LSCBS_ENABLED;
1171 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1172 if ((ahc->features & AHC_ULTRA2) != 0) {
1173 u_int dscommand0;
1174
1175 dscommand0 = ahc_inb(ahc, DSCOMMAND0);
1176 if (enable)
1177 dscommand0 &= ~INTSCBRAMSEL;
1178 else
1179 dscommand0 |= INTSCBRAMSEL;
1180 if (large)
1181 dscommand0 &= ~USCBSIZE32;
1182 else
1183 dscommand0 |= USCBSIZE32;
1184 ahc_outb(ahc, DSCOMMAND0, dscommand0);
1185 } else {
1186 if (fast)
1187 devconfig &= ~EXTSCBTIME;
1188 else
1189 devconfig |= EXTSCBTIME;
1190 if (enable)
1191 devconfig &= ~SCBRAMSEL;
1192 else
1193 devconfig |= SCBRAMSEL;
1194 if (large)
1195 devconfig &= ~SCBSIZE32;
1196 else
1197 devconfig |= SCBSIZE32;
1198 }
1199 if (pcheck)
1200 devconfig |= EXTSCBPEN;
1201 else
1202 devconfig &= ~EXTSCBPEN;
1203
1204 pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig);
1205 }
1206
1207 /*
1208 * Take a look to see if we have external SRAM.
1209 * We currently do not attempt to use SRAM that is
1210 * shared among multiple controllers.
1211 */
1212 static void
1213 ahc_probe_ext_scbram(struct ahc_softc *ahc)
1214 {
1215 int num_scbs;
1216 int test_num_scbs;
1217 int enable;
1218 int pcheck;
1219 int fast;
1220 int large;
1221
1222 enable = FALSE;
1223 pcheck = FALSE;
1224 fast = FALSE;
1225 large = FALSE;
1226 num_scbs = 0;
1227
1228 if (ahc_ext_scbram_present(ahc) == 0)
1229 goto done;
1230
1231 /*
1232 * Probe for the best parameters to use.
1233 */
1234 ahc_scbram_config(ahc, /*enable*/TRUE, pcheck, fast, large);
1235 num_scbs = ahc_probe_scbs(ahc);
1236 if (num_scbs == 0) {
1237 /* The SRAM wasn't really present. */
1238 goto done;
1239 }
1240 enable = TRUE;
1241
1242 /*
1243 * Clear any outstanding parity error
1244 * and ensure that parity error reporting
1245 * is enabled.
1246 */
1247 ahc_outb(ahc, SEQCTL, 0);
1248 ahc_outb(ahc, CLRINT, CLRPARERR);
1249 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1250
1251 /* Now see if we can do parity */
1252 ahc_scbram_config(ahc, enable, /*pcheck*/TRUE, fast, large);
1253 num_scbs = ahc_probe_scbs(ahc);
1254 if ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
1255 || (ahc_inb(ahc, ERROR) & MPARERR) == 0)
1256 pcheck = TRUE;
1257
1258 /* Clear any resulting parity error */
1259 ahc_outb(ahc, CLRINT, CLRPARERR);
1260 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1261
1262 /* Now see if we can do fast timing */
1263 ahc_scbram_config(ahc, enable, pcheck, /*fast*/TRUE, large);
1264 test_num_scbs = ahc_probe_scbs(ahc);
1265 if (test_num_scbs == num_scbs
1266 && ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
1267 || (ahc_inb(ahc, ERROR) & MPARERR) == 0))
1268 fast = TRUE;
1269
1270 /*
1271 * See if we can use large SCBs and still maintain
1272 * the same overall count of SCBs.
1273 */
1274 if ((ahc->features & AHC_LARGE_SCBS) != 0) {
1275 ahc_scbram_config(ahc, enable, pcheck, fast, /*large*/TRUE);
1276 test_num_scbs = ahc_probe_scbs(ahc);
1277 if (test_num_scbs >= num_scbs) {
1278 large = TRUE;
1279 num_scbs = test_num_scbs;
1280 if (num_scbs >= 64) {
1281 /*
1282 * We have enough space to move the
1283 * "busy targets table" into SCB space
1284 * and make it qualify all the way to the
1285 * lun level.
1286 */
1287 ahc->flags |= AHC_SCB_BTT;
1288 }
1289 }
1290 }
1291 done:
1292 /*
1293 * Disable parity error reporting until we
1294 * can load instruction ram.
1295 */
1296 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
1297 /* Clear any latched parity error */
1298 ahc_outb(ahc, CLRINT, CLRPARERR);
1299 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1300 if (1/*bootverbose*/ && enable) {
1301 printf("%s: External SRAM, %s access%s, %dbytes/SCB\n",
1302 ahc_name(ahc), fast ? "fast" : "slow",
1303 pcheck ? ", parity checking enabled" : "",
1304 large ? 64 : 32);
1305 }
1306 ahc_scbram_config(ahc, enable, pcheck, fast, large);
1307 }
1308
1309 #if 0
1310 /*
1311 * Perform some simple tests that should catch situations where
1312 * our registers are invalidly mapped.
1313 */
1314 int
1315 ahc_pci_test_register_access(struct ahc_softc *ahc)
1316 {
1317 int error;
1318 u_int status1;
1319 uint32_t cmd;
1320 uint8_t hcntrl;
1321
1322 error = EIO;
1323
1324 /*
1325 * Enable PCI error interrupt status, but suppress NMIs
1326 * generated by SERR raised due to target aborts.
1327 */
1328 cmd = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND);
1329 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND,
1330 cmd & ~PCIM_CMD_SERRESPEN);
1331
1332 /*
1333 * First a simple test to see if any
1334 * registers can be read. Reading
1335 * HCNTRL has no side effects and has
1336 * at least one bit that is guaranteed to
1337 * be zero so it is a good register to
1338 * use for this test.
1339 */
1340 hcntrl = ahc_inb(ahc, HCNTRL);
1341 if (hcntrl == 0xFF)
1342 goto fail;
1343
1344 /*
1345 * Next create a situation where write combining
1346 * or read prefetching could be initiated by the
1347 * CPU or host bridge. Our device does not support
1348 * either, so look for data corruption and/or flagged
1349 * PCI errors.
1350 */
1351 ahc_outb(ahc, HCNTRL, hcntrl|PAUSE);
1352 while (ahc_is_paused(ahc) == 0)
1353 ;
1354 ahc_outb(ahc, SEQCTL, PERRORDIS);
1355 ahc_outb(ahc, SCBPTR, 0);
1356 ahc_outl(ahc, SCB_BASE, 0x5aa555aa);
1357 if (ahc_inl(ahc, SCB_BASE) != 0x5aa555aa)
1358 goto fail;
1359
1360 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1361 PCI_COMMAND_STATUS_REG + 1);
1362 if ((status1 & STA) != 0)
1363 goto fail;
1364
1365 error = 0;
1366
1367 fail:
1368 /* Silently clear any latched errors. */
1369 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG + 1);
1370 ahc_pci_write_config(ahc->dev_softc, PCIR_STATUS + 1,
1371 status1, /*bytes*/1);
1372 ahc_outb(ahc, CLRINT, CLRPARERR);
1373 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
1374 ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, cmd, /*bytes*/2);
1375 return (error);
1376 }
1377 #endif
1378
1379 void
1380 ahc_pci_intr(struct ahc_softc *ahc)
1381 {
1382 u_int error;
1383 u_int status1;
1384
1385 error = ahc_inb(ahc, ERROR);
1386 if ((error & PCIERRSTAT) == 0)
1387 return;
1388
1389 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG);
1390
1391 printf("%s: PCI error Interrupt at seqaddr = 0x%x\n",
1392 ahc_name(ahc),
1393 ahc_inb(ahc, SEQADDR0) | (ahc_inb(ahc, SEQADDR1) << 8));
1394
1395 if (status1 & DPE) {
1396 printf("%s: Data Parity Error Detected during address "
1397 "or write data phase\n", ahc_name(ahc));
1398 }
1399 if (status1 & SSE) {
1400 printf("%s: Signal System Error Detected\n", ahc_name(ahc));
1401 }
1402 if (status1 & RMA) {
1403 printf("%s: Received a Master Abort\n", ahc_name(ahc));
1404 }
1405 if (status1 & RTA) {
1406 printf("%s: Received a Target Abort\n", ahc_name(ahc));
1407 }
1408 if (status1 & STA) {
1409 printf("%s: Signaled a Target Abort\n", ahc_name(ahc));
1410 }
1411 if (status1 & DPR) {
1412 printf("%s: Data Parity Error has been reported via PERR#\n",
1413 ahc_name(ahc));
1414 }
1415
1416 /* Clear latched errors. */
1417 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG, status1);
1418
1419 if ((status1 & (DPE|SSE|RMA|RTA|STA|DPR)) == 0) {
1420 printf("%s: Latched PCIERR interrupt with "
1421 "no status bits set\n", ahc_name(ahc));
1422 } else {
1423 ahc_outb(ahc, CLRINT, CLRPARERR);
1424 }
1425
1426 ahc_unpause(ahc);
1427 }
1428
1429 static int
1430 ahc_aic785X_setup(struct ahc_softc *ahc)
1431 {
1432 uint8_t rev;
1433
1434 ahc->channel = 'A';
1435 ahc->chip = AHC_AIC7850;
1436 ahc->features = AHC_AIC7850_FE;
1437 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1438 rev = PCI_REVISION(ahc->bd->class);
1439 if (rev >= 1)
1440 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1441 return (0);
1442 }
1443
1444 static int
1445 ahc_aic7860_setup(struct ahc_softc *ahc)
1446 {
1447 uint8_t rev;
1448
1449 ahc->channel = 'A';
1450 ahc->chip = AHC_AIC7860;
1451 ahc->features = AHC_AIC7860_FE;
1452 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1453 rev = PCI_REVISION(ahc->bd->class);
1454 if (rev >= 1)
1455 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1456 return (0);
1457 }
1458
1459 static int
1460 ahc_apa1480_setup(struct ahc_softc *ahc)
1461 {
1462 int error;
1463
1464 error = ahc_aic7860_setup(ahc);
1465 if (error != 0)
1466 return (error);
1467 ahc->features |= AHC_REMOVABLE;
1468 return (0);
1469 }
1470
1471 static int
1472 ahc_aic7870_setup(struct ahc_softc *ahc)
1473 {
1474
1475 ahc->channel = 'A';
1476 ahc->chip = AHC_AIC7870;
1477 ahc->features = AHC_AIC7870_FE;
1478 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1479 return (0);
1480 }
1481
1482 static int
1483 ahc_aha394X_setup(struct ahc_softc *ahc)
1484 {
1485 int error;
1486
1487 error = ahc_aic7870_setup(ahc);
1488 if (error == 0)
1489 error = ahc_aha394XX_setup(ahc);
1490 return (error);
1491 }
1492
1493 static int
1494 ahc_aha398X_setup(struct ahc_softc *ahc)
1495 {
1496 int error;
1497
1498 error = ahc_aic7870_setup(ahc);
1499 if (error == 0)
1500 error = ahc_aha398XX_setup(ahc);
1501 return (error);
1502 }
1503
1504 static int
1505 ahc_aha494X_setup(struct ahc_softc *ahc)
1506 {
1507 int error;
1508
1509 error = ahc_aic7870_setup(ahc);
1510 if (error == 0)
1511 error = ahc_aha494XX_setup(ahc);
1512 return (error);
1513 }
1514
1515 static int
1516 ahc_aic7880_setup(struct ahc_softc *ahc)
1517 {
1518 uint8_t rev;
1519
1520 ahc->channel = 'A';
1521 ahc->chip = AHC_AIC7880;
1522 ahc->features = AHC_AIC7880_FE;
1523 ahc->bugs |= AHC_TMODE_WIDEODD_BUG;
1524 rev = PCI_REVISION(ahc->bd->class);
1525 if (rev >= 1) {
1526 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1527 } else {
1528 ahc->bugs |= AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1529 }
1530 return (0);
1531 }
1532
1533 static int
1534 ahc_aha2940Pro_setup(struct ahc_softc *ahc)
1535 {
1536
1537 ahc->flags |= AHC_INT50_SPEEDFLEX;
1538 return (ahc_aic7880_setup(ahc));
1539 }
1540
1541 static int
1542 ahc_aha394XU_setup(struct ahc_softc *ahc)
1543 {
1544 int error;
1545
1546 error = ahc_aic7880_setup(ahc);
1547 if (error == 0)
1548 error = ahc_aha394XX_setup(ahc);
1549 return (error);
1550 }
1551
1552 static int
1553 ahc_aha398XU_setup(struct ahc_softc *ahc)
1554 {
1555 int error;
1556
1557 error = ahc_aic7880_setup(ahc);
1558 if (error == 0)
1559 error = ahc_aha398XX_setup(ahc);
1560 return (error);
1561 }
1562
1563 static int
1564 ahc_aic7890_setup(struct ahc_softc *ahc)
1565 {
1566 uint8_t rev;
1567
1568 ahc->channel = 'A';
1569 ahc->chip = AHC_AIC7890;
1570 ahc->features = AHC_AIC7890_FE;
1571 ahc->flags |= AHC_NEWEEPROM_FMT;
1572 rev = PCI_REVISION(ahc->bd->class);
1573 if (rev == 0)
1574 ahc->bugs |= AHC_AUTOFLUSH_BUG|AHC_CACHETHEN_BUG;
1575 return (0);
1576 }
1577
1578 static int
1579 ahc_aic7892_setup(struct ahc_softc *ahc)
1580 {
1581
1582 ahc->channel = 'A';
1583 ahc->chip = AHC_AIC7892;
1584 ahc->features = AHC_AIC7892_FE;
1585 ahc->flags |= AHC_NEWEEPROM_FMT;
1586 ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
1587 return (0);
1588 }
1589
1590 static int
1591 ahc_aic7895_setup(struct ahc_softc *ahc)
1592 {
1593 uint8_t rev;
1594
1595 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1596 /*
1597 * The 'C' revision of the aic7895 has a few additional features.
1598 */
1599 rev = PCI_REVISION(ahc->bd->class);
1600 if (rev >= 4) {
1601 ahc->chip = AHC_AIC7895C;
1602 ahc->features = AHC_AIC7895C_FE;
1603 } else {
1604 u_int command;
1605
1606 ahc->chip = AHC_AIC7895;
1607 ahc->features = AHC_AIC7895_FE;
1608
1609 /*
1610 * The BIOS disables the use of MWI transactions
1611 * since it does not have the MWI bug work around
1612 * we have. Disabling MWI reduces performance, so
1613 * turn it on again.
1614 */
1615 command = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG);
1616 command |= PCI_COMMAND_INVALIDATE_ENABLE;
1617 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG, command);
1618 ahc->bugs |= AHC_PCI_MWI_BUG;
1619 }
1620 /*
1621 * XXX Does CACHETHEN really not work??? What about PCI retry?
1622 * on C level chips. Need to test, but for now, play it safe.
1623 */
1624 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_PCI_2_1_RETRY_BUG
1625 | AHC_CACHETHEN_BUG;
1626
1627 #if 0
1628 uint32_t devconfig;
1629
1630 /*
1631 * Cachesize must also be zero due to stray DAC
1632 * problem when sitting behind some bridges.
1633 */
1634 pci_conf_write(ahc->bd->pc, ahc->bd->tag, CSIZE_LATTIME, 0);
1635 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1636 devconfig |= MRDCEN;
1637 pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig);
1638 #endif
1639 ahc->flags |= AHC_NEWEEPROM_FMT;
1640 return (0);
1641 }
1642
1643 static int
1644 ahc_aic7896_setup(struct ahc_softc *ahc)
1645 {
1646 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1647 ahc->chip = AHC_AIC7896;
1648 ahc->features = AHC_AIC7896_FE;
1649 ahc->flags |= AHC_NEWEEPROM_FMT;
1650 ahc->bugs |= AHC_CACHETHEN_DIS_BUG;
1651 return (0);
1652 }
1653
1654 static int
1655 ahc_aic7899_setup(struct ahc_softc *ahc)
1656 {
1657 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1658 ahc->chip = AHC_AIC7899;
1659 ahc->features = AHC_AIC7899_FE;
1660 ahc->flags |= AHC_NEWEEPROM_FMT;
1661 ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
1662 return (0);
1663 }
1664
1665 static int
1666 ahc_aha29160C_setup(struct ahc_softc *ahc)
1667 {
1668 int error;
1669
1670 error = ahc_aic7899_setup(ahc);
1671 if (error != 0)
1672 return (error);
1673 ahc->features |= AHC_REMOVABLE;
1674 return (0);
1675 }
1676
1677 static int
1678 ahc_raid_setup(struct ahc_softc *ahc)
1679 {
1680 printf("RAID functionality unsupported\n");
1681 return (ENXIO);
1682 }
1683
1684 static int
1685 ahc_aha394XX_setup(struct ahc_softc *ahc)
1686 {
1687
1688 switch (ahc->bd->dev) {
1689 case AHC_394X_SLOT_CHANNEL_A:
1690 ahc->channel = 'A';
1691 break;
1692 case AHC_394X_SLOT_CHANNEL_B:
1693 ahc->channel = 'B';
1694 break;
1695 default:
1696 printf("adapter at unexpected slot %d\n"
1697 "unable to map to a channel\n",
1698 ahc->bd->dev);
1699 ahc->channel = 'A';
1700 }
1701 return (0);
1702 }
1703
1704 static int
1705 ahc_aha398XX_setup(struct ahc_softc *ahc)
1706 {
1707
1708 switch (ahc->bd->dev) {
1709 case AHC_398X_SLOT_CHANNEL_A:
1710 ahc->channel = 'A';
1711 break;
1712 case AHC_398X_SLOT_CHANNEL_B:
1713 ahc->channel = 'B';
1714 break;
1715 case AHC_398X_SLOT_CHANNEL_C:
1716 ahc->channel = 'C';
1717 break;
1718 default:
1719 printf("adapter at unexpected slot %d\n"
1720 "unable to map to a channel\n",
1721 ahc->bd->dev);
1722 ahc->channel = 'A';
1723 break;
1724 }
1725 ahc->flags |= AHC_LARGE_SEEPROM;
1726 return (0);
1727 }
1728
1729 static int
1730 ahc_aha494XX_setup(struct ahc_softc *ahc)
1731 {
1732
1733 switch (ahc->bd->dev) {
1734 case AHC_494X_SLOT_CHANNEL_A:
1735 ahc->channel = 'A';
1736 break;
1737 case AHC_494X_SLOT_CHANNEL_B:
1738 ahc->channel = 'B';
1739 break;
1740 case AHC_494X_SLOT_CHANNEL_C:
1741 ahc->channel = 'C';
1742 break;
1743 case AHC_494X_SLOT_CHANNEL_D:
1744 ahc->channel = 'D';
1745 break;
1746 default:
1747 printf("adapter at unexpected slot %d\n"
1748 "unable to map to a channel\n",
1749 ahc->bd->dev);
1750 ahc->channel = 'A';
1751 }
1752 ahc->flags |= AHC_LARGE_SEEPROM;
1753 return (0);
1754 }
1755