ahc_pci.c revision 1.40 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 1.40 2003/04/25 16:02:52 fvdl 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/param.h>
53 #include <sys/systm.h>
54 #include <sys/malloc.h>
55 #include <sys/kernel.h>
56 #include <sys/queue.h>
57 #include <sys/device.h>
58 #include <sys/reboot.h>
59
60 #include <machine/bus.h>
61 #include <machine/intr.h>
62
63 #include <dev/pci/pcireg.h>
64 #include <dev/pci/pcivar.h>
65
66 #define AHC_PCI_IOADDR PCI_MAPREG_START /* I/O Address */
67 #define AHC_PCI_MEMADDR (PCI_MAPREG_START + 4) /* Mem I/O Address */
68
69 #include <dev/ic/aic7xxx_osm.h>
70 #include <dev/ic/aic7xxx_inline.h>
71
72 #include <dev/ic/smc93cx6var.h>
73
74
75 static __inline uint64_t
76 ahc_compose_id(u_int device, u_int vendor, u_int subdevice, u_int subvendor)
77 {
78 uint64_t id;
79
80 id = subvendor
81 | (subdevice << 16)
82 | ((uint64_t)vendor << 32)
83 | ((uint64_t)device << 48);
84
85 return (id);
86 }
87
88 #define ID_ALL_MASK 0xFFFFFFFFFFFFFFFFull
89 #define ID_DEV_VENDOR_MASK 0xFFFFFFFF00000000ull
90 #define ID_9005_GENERIC_MASK 0xFFF0FFFF00000000ull
91 #define ID_9005_SISL_MASK 0x000FFFFF00000000ull
92 #define ID_9005_SISL_ID 0x0005900500000000ull
93 #define ID_AIC7850 0x5078900400000000ull
94 #define ID_AHA_2902_04_10_15_20_30C 0x5078900478509004ull
95 #define ID_AIC7855 0x5578900400000000ull
96 #define ID_AIC7859 0x3860900400000000ull
97 #define ID_AHA_2930CU 0x3860900438699004ull
98 #define ID_AIC7860 0x6078900400000000ull
99 #define ID_AIC7860C 0x6078900478609004ull
100 #define ID_AHA_1480A 0x6075900400000000ull
101 #define ID_AHA_2940AU_0 0x6178900400000000ull
102 #define ID_AHA_2940AU_1 0x6178900478619004ull
103 #define ID_AHA_2940AU_CN 0x2178900478219004ull
104 #define ID_AHA_2930C_VAR 0x6038900438689004ull
105
106 #define ID_AIC7870 0x7078900400000000ull
107 #define ID_AHA_2940 0x7178900400000000ull
108 #define ID_AHA_3940 0x7278900400000000ull
109 #define ID_AHA_398X 0x7378900400000000ull
110 #define ID_AHA_2944 0x7478900400000000ull
111 #define ID_AHA_3944 0x7578900400000000ull
112 #define ID_AHA_4944 0x7678900400000000ull
113
114 #define ID_AIC7880 0x8078900400000000ull
115 #define ID_AIC7880_B 0x8078900478809004ull
116 #define ID_AHA_2940U 0x8178900400000000ull
117 #define ID_AHA_3940U 0x8278900400000000ull
118 #define ID_AHA_2944U 0x8478900400000000ull
119 #define ID_AHA_3944U 0x8578900400000000ull
120 #define ID_AHA_398XU 0x8378900400000000ull
121 #define ID_AHA_4944U 0x8678900400000000ull
122 #define ID_AHA_2940UB 0x8178900478819004ull
123 #define ID_AHA_2930U 0x8878900478889004ull
124 #define ID_AHA_2940U_PRO 0x8778900478879004ull
125 #define ID_AHA_2940U_CN 0x0078900478009004ull
126
127 #define ID_AIC7895 0x7895900478959004ull
128 #define ID_AIC7895_ARO 0x7890900478939004ull
129 #define ID_AIC7895_ARO_MASK 0xFFF0FFFFFFFFFFFFull
130 #define ID_AHA_2940U_DUAL 0x7895900478919004ull
131 #define ID_AHA_3940AU 0x7895900478929004ull
132 #define ID_AHA_3944AU 0x7895900478949004ull
133
134 #define ID_AIC7890 0x001F9005000F9005ull
135 #define ID_AIC7890_ARO 0x00139005000F9005ull
136 #define ID_AAA_131U2 0x0013900500039005ull
137 #define ID_AHA_2930U2 0x0011900501819005ull
138 #define ID_AHA_2940U2B 0x00109005A1009005ull
139 #define ID_AHA_2940U2_OEM 0x0010900521809005ull
140 #define ID_AHA_2940U2 0x00109005A1809005ull
141 #define ID_AHA_2950U2B 0x00109005E1009005ull
142
143 #define ID_AIC7892 0x008F9005FFFF9005ull
144 #define ID_AIC7892_ARO 0x00839005FFFF9005ull
145 #define ID_AHA_29160 0x00809005E2A09005ull
146 #define ID_AHA_29160_CPQ 0x00809005E2A00E11ull
147 #define ID_AHA_29160N 0x0080900562A09005ull
148 #define ID_AHA_29160C 0x0080900562209005ull
149 #define ID_AHA_29160B 0x00809005E2209005ull
150 #define ID_AHA_19160B 0x0081900562A19005ull
151
152 #define ID_AIC7896 0x005F9005FFFF9005ull
153 #define ID_AIC7896_ARO 0x00539005FFFF9005ull
154 #define ID_AHA_3950U2B_0 0x00509005FFFF9005ull
155 #define ID_AHA_3950U2B_1 0x00509005F5009005ull
156 #define ID_AHA_3950U2D_0 0x00519005FFFF9005ull
157 #define ID_AHA_3950U2D_1 0x00519005B5009005ull
158
159 #define ID_AIC7899 0x00CF9005FFFF9005ull
160 #define ID_AIC7899_ARO 0x00C39005FFFF9005ull
161 #define ID_AHA_3960D 0x00C09005F6209005ull
162 #define ID_AHA_3960D_CPQ 0x00C09005F6200E11ull
163
164 #define ID_AIC7810 0x1078900400000000ull
165 #define ID_AIC7815 0x7815900400000000ull
166
167 #define DEVID_9005_TYPE(id) ((id) & 0xF)
168 #define DEVID_9005_TYPE_HBA 0x0 /* Standard Card */
169 #define DEVID_9005_TYPE_AAA 0x3 /* RAID Card */
170 #define DEVID_9005_TYPE_SISL 0x5 /* Container ROMB */
171 #define DEVID_9005_TYPE_MB 0xF /* On Motherboard */
172
173 #define DEVID_9005_MAXRATE(id) (((id) & 0x30) >> 4)
174 #define DEVID_9005_MAXRATE_U160 0x0
175 #define DEVID_9005_MAXRATE_ULTRA2 0x1
176 #define DEVID_9005_MAXRATE_ULTRA 0x2
177 #define DEVID_9005_MAXRATE_FAST 0x3
178
179 #define DEVID_9005_MFUNC(id) (((id) & 0x40) >> 6)
180
181 #define DEVID_9005_CLASS(id) (((id) & 0xFF00) >> 8)
182 #define DEVID_9005_CLASS_SPI 0x0 /* Parallel SCSI */
183
184 #define SUBID_9005_TYPE(id) ((id) & 0xF)
185 #define SUBID_9005_TYPE_MB 0xF /* On Motherboard */
186 #define SUBID_9005_TYPE_CARD 0x0 /* Standard Card */
187 #define SUBID_9005_TYPE_LCCARD 0x1 /* Low Cost Card */
188 #define SUBID_9005_TYPE_RAID 0x3 /* Combined with Raid */
189
190 #define SUBID_9005_TYPE_KNOWN(id) \
191 ((((id) & 0xF) == SUBID_9005_TYPE_MB) \
192 || (((id) & 0xF) == SUBID_9005_TYPE_CARD) \
193 || (((id) & 0xF) == SUBID_9005_TYPE_LCCARD) \
194 || (((id) & 0xF) == SUBID_9005_TYPE_RAID))
195
196 #define SUBID_9005_MAXRATE(id) (((id) & 0x30) >> 4)
197 #define SUBID_9005_MAXRATE_ULTRA2 0x0
198 #define SUBID_9005_MAXRATE_ULTRA 0x1
199 #define SUBID_9005_MAXRATE_U160 0x2
200 #define SUBID_9005_MAXRATE_RESERVED 0x3
201
202 #define SUBID_9005_SEEPTYPE(id) \
203 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
204 ? ((id) & 0xC0) >> 6 \
205 : ((id) & 0x300) >> 8)
206 #define SUBID_9005_SEEPTYPE_NONE 0x0
207 #define SUBID_9005_SEEPTYPE_1K 0x1
208 #define SUBID_9005_SEEPTYPE_2K_4K 0x2
209 #define SUBID_9005_SEEPTYPE_RESERVED 0x3
210 #define SUBID_9005_AUTOTERM(id) \
211 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
212 ? (((id) & 0x400) >> 10) == 0 \
213 : (((id) & 0x40) >> 6) == 0)
214
215 #define SUBID_9005_NUMCHAN(id) \
216 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
217 ? ((id) & 0x300) >> 8 \
218 : ((id) & 0xC00) >> 10)
219
220 #define SUBID_9005_LEGACYCONN(id) \
221 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
222 ? 0 \
223 : ((id) & 0x80) >> 7)
224
225 #define SUBID_9005_MFUNCENB(id) \
226 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
227 ? ((id) & 0x800) >> 11 \
228 : ((id) & 0x1000) >> 12)
229 /*
230 * Informational only. Should use chip register to be
231 * certain, but may be use in identification strings.
232 */
233 #define SUBID_9005_CARD_SCSIWIDTH_MASK 0x2000
234 #define SUBID_9005_CARD_PCIWIDTH_MASK 0x4000
235 #define SUBID_9005_CARD_SEDIFF_MASK 0x8000
236
237 static ahc_device_setup_t ahc_aic785X_setup;
238 static ahc_device_setup_t ahc_aic7860_setup;
239 static ahc_device_setup_t ahc_apa1480_setup;
240 static ahc_device_setup_t ahc_aic7870_setup;
241 static ahc_device_setup_t ahc_aha394X_setup;
242 static ahc_device_setup_t ahc_aha494X_setup;
243 static ahc_device_setup_t ahc_aha398X_setup;
244 static ahc_device_setup_t ahc_aic7880_setup;
245 static ahc_device_setup_t ahc_aha2940Pro_setup;
246 static ahc_device_setup_t ahc_aha394XU_setup;
247 static ahc_device_setup_t ahc_aha398XU_setup;
248 static ahc_device_setup_t ahc_aic7890_setup;
249 static ahc_device_setup_t ahc_aic7892_setup;
250 static ahc_device_setup_t ahc_aic7895_setup;
251 static ahc_device_setup_t ahc_aic7896_setup;
252 static ahc_device_setup_t ahc_aic7899_setup;
253 static ahc_device_setup_t ahc_aha29160C_setup;
254 static ahc_device_setup_t ahc_raid_setup;
255 static ahc_device_setup_t ahc_aha394XX_setup;
256 static ahc_device_setup_t ahc_aha494XX_setup;
257 static ahc_device_setup_t ahc_aha398XX_setup;
258
259 struct ahc_pci_identity ahc_pci_ident_table [] =
260 {
261 /* aic7850 based controllers */
262 {
263 ID_AHA_2902_04_10_15_20_30C,
264 ID_ALL_MASK,
265 "Adaptec 2902/04/10/15/20/30C SCSI adapter",
266 ahc_aic785X_setup
267 },
268 /* aic7860 based controllers */
269 {
270 ID_AHA_2930CU,
271 ID_ALL_MASK,
272 "Adaptec 2930CU SCSI adapter",
273 ahc_aic7860_setup
274 },
275 {
276 ID_AHA_1480A & ID_DEV_VENDOR_MASK,
277 ID_DEV_VENDOR_MASK,
278 "Adaptec 1480A Ultra SCSI adapter",
279 ahc_apa1480_setup
280 },
281 {
282 ID_AHA_2940AU_0 & ID_DEV_VENDOR_MASK,
283 ID_DEV_VENDOR_MASK,
284 "Adaptec 2940A Ultra SCSI adapter",
285 ahc_aic7860_setup
286 },
287 {
288 ID_AHA_2940AU_CN & ID_DEV_VENDOR_MASK,
289 ID_DEV_VENDOR_MASK,
290 "Adaptec 2940A/CN Ultra SCSI adapter",
291 ahc_aic7860_setup
292 },
293 {
294 ID_AHA_2930C_VAR & ID_DEV_VENDOR_MASK,
295 ID_DEV_VENDOR_MASK,
296 "Adaptec 2930C Ultra SCSI adapter (VAR)",
297 ahc_aic7860_setup
298 },
299 /* aic7870 based controllers */
300 {
301 ID_AHA_2940,
302 ID_ALL_MASK,
303 "Adaptec 2940 SCSI adapter",
304 ahc_aic7870_setup
305 },
306 {
307 ID_AHA_3940,
308 ID_ALL_MASK,
309 "Adaptec 3940 SCSI adapter",
310 ahc_aha394X_setup
311 },
312 {
313 ID_AHA_398X,
314 ID_ALL_MASK,
315 "Adaptec 398X SCSI RAID adapter",
316 ahc_aha398X_setup
317 },
318 {
319 ID_AHA_2944,
320 ID_ALL_MASK,
321 "Adaptec 2944 SCSI adapter",
322 ahc_aic7870_setup
323 },
324 {
325 ID_AHA_3944,
326 ID_ALL_MASK,
327 "Adaptec 3944 SCSI adapter",
328 ahc_aha394X_setup
329 },
330 {
331 ID_AHA_4944,
332 ID_ALL_MASK,
333 "Adaptec 4944 SCSI adapter",
334 ahc_aha494X_setup
335 },
336 /* aic7880 based controllers */
337 {
338 ID_AHA_2940U & ID_DEV_VENDOR_MASK,
339 ID_DEV_VENDOR_MASK,
340 "Adaptec 2940 Ultra SCSI adapter",
341 ahc_aic7880_setup
342 },
343 {
344 ID_AHA_3940U & ID_DEV_VENDOR_MASK,
345 ID_DEV_VENDOR_MASK,
346 "Adaptec 3940 Ultra SCSI adapter",
347 ahc_aha394XU_setup
348 },
349 {
350 ID_AHA_2944U & ID_DEV_VENDOR_MASK,
351 ID_DEV_VENDOR_MASK,
352 "Adaptec 2944 Ultra SCSI adapter",
353 ahc_aic7880_setup
354 },
355 {
356 ID_AHA_3944U & ID_DEV_VENDOR_MASK,
357 ID_DEV_VENDOR_MASK,
358 "Adaptec 3944 Ultra SCSI adapter",
359 ahc_aha394XU_setup
360 },
361 {
362 ID_AHA_398XU & ID_DEV_VENDOR_MASK,
363 ID_DEV_VENDOR_MASK,
364 "Adaptec 398X Ultra SCSI RAID adapter",
365 ahc_aha398XU_setup
366 },
367 {
368 /*
369 * XXX Don't know the slot numbers
370 * so we can't identify channels
371 */
372 ID_AHA_4944U & ID_DEV_VENDOR_MASK,
373 ID_DEV_VENDOR_MASK,
374 "Adaptec 4944 Ultra SCSI adapter",
375 ahc_aic7880_setup
376 },
377 {
378 ID_AHA_2930U & ID_DEV_VENDOR_MASK,
379 ID_DEV_VENDOR_MASK,
380 "Adaptec 2930 Ultra SCSI adapter",
381 ahc_aic7880_setup
382 },
383 {
384 ID_AHA_2940U_PRO & ID_DEV_VENDOR_MASK,
385 ID_DEV_VENDOR_MASK,
386 "Adaptec 2940 Pro Ultra SCSI adapter",
387 ahc_aha2940Pro_setup
388 },
389 {
390 ID_AHA_2940U_CN & ID_DEV_VENDOR_MASK,
391 ID_DEV_VENDOR_MASK,
392 "Adaptec 2940/CN Ultra SCSI adapter",
393 ahc_aic7880_setup
394 },
395 /* Ignore all SISL (AAC on MB) based controllers. */
396 {
397 ID_9005_SISL_ID,
398 ID_9005_SISL_MASK,
399 NULL,
400 NULL
401 },
402 /* aic7890 based controllers */
403 {
404 ID_AHA_2930U2,
405 ID_ALL_MASK,
406 "Adaptec 2930 Ultra2 SCSI adapter",
407 ahc_aic7890_setup
408 },
409 {
410 ID_AHA_2940U2B,
411 ID_ALL_MASK,
412 "Adaptec 2940B Ultra2 SCSI adapter",
413 ahc_aic7890_setup
414 },
415 {
416 ID_AHA_2940U2_OEM,
417 ID_ALL_MASK,
418 "Adaptec 2940 Ultra2 SCSI adapter (OEM)",
419 ahc_aic7890_setup
420 },
421 {
422 ID_AHA_2940U2,
423 ID_ALL_MASK,
424 "Adaptec 2940 Ultra2 SCSI adapter",
425 ahc_aic7890_setup
426 },
427 {
428 ID_AHA_2950U2B,
429 ID_ALL_MASK,
430 "Adaptec 2950 Ultra2 SCSI adapter",
431 ahc_aic7890_setup
432 },
433 {
434 ID_AIC7890_ARO,
435 ID_ALL_MASK,
436 "Adaptec aic7890/91 Ultra2 SCSI adapter (ARO)",
437 ahc_aic7890_setup
438 },
439 {
440 ID_AAA_131U2,
441 ID_ALL_MASK,
442 "Adaptec AAA-131 Ultra2 RAID adapter",
443 ahc_aic7890_setup
444 },
445 /* aic7892 based controllers */
446 {
447 ID_AHA_29160,
448 ID_ALL_MASK,
449 "Adaptec 29160 Ultra160 SCSI adapter",
450 ahc_aic7892_setup
451 },
452 {
453 ID_AHA_29160_CPQ,
454 ID_ALL_MASK,
455 "Adaptec (Compaq OEM) 29160 Ultra160 SCSI adapter",
456 ahc_aic7892_setup
457 },
458 {
459 ID_AHA_29160N,
460 ID_ALL_MASK,
461 "Adaptec 29160N Ultra160 SCSI adapter",
462 ahc_aic7892_setup
463 },
464 {
465 ID_AHA_29160C,
466 ID_ALL_MASK,
467 "Adaptec 29160C Ultra160 SCSI adapter",
468 ahc_aha29160C_setup
469 },
470 {
471 ID_AHA_29160B,
472 ID_ALL_MASK,
473 "Adaptec 29160B Ultra160 SCSI adapter",
474 ahc_aic7892_setup
475 },
476 {
477 ID_AHA_19160B,
478 ID_ALL_MASK,
479 "Adaptec 19160B Ultra160 SCSI adapter",
480 ahc_aic7892_setup
481 },
482 {
483 ID_AIC7892_ARO,
484 ID_ALL_MASK,
485 "Adaptec aic7892 Ultra160 SCSI adapter (ARO)",
486 ahc_aic7892_setup
487 },
488 /* aic7895 based controllers */
489 {
490 ID_AHA_2940U_DUAL,
491 ID_ALL_MASK,
492 "Adaptec 2940/DUAL Ultra SCSI adapter",
493 ahc_aic7895_setup
494 },
495 {
496 ID_AHA_3940AU,
497 ID_ALL_MASK,
498 "Adaptec 3940A Ultra SCSI adapter",
499 ahc_aic7895_setup
500 },
501 {
502 ID_AHA_3944AU,
503 ID_ALL_MASK,
504 "Adaptec 3944A Ultra SCSI adapter",
505 ahc_aic7895_setup
506 },
507 {
508 ID_AIC7895_ARO,
509 ID_AIC7895_ARO_MASK,
510 "Adaptec aic7895 Ultra SCSI adapter (ARO)",
511 ahc_aic7895_setup
512 },
513 /* aic7896/97 based controllers */
514 {
515 ID_AHA_3950U2B_0,
516 ID_ALL_MASK,
517 "Adaptec 3950B Ultra2 SCSI adapter",
518 ahc_aic7896_setup
519 },
520 {
521 ID_AHA_3950U2B_1,
522 ID_ALL_MASK,
523 "Adaptec 3950B Ultra2 SCSI adapter",
524 ahc_aic7896_setup
525 },
526 {
527 ID_AHA_3950U2D_0,
528 ID_ALL_MASK,
529 "Adaptec 3950D Ultra2 SCSI adapter",
530 ahc_aic7896_setup
531 },
532 {
533 ID_AHA_3950U2D_1,
534 ID_ALL_MASK,
535 "Adaptec 3950D Ultra2 SCSI adapter",
536 ahc_aic7896_setup
537 },
538 {
539 ID_AIC7896_ARO,
540 ID_ALL_MASK,
541 "Adaptec aic7896/97 Ultra2 SCSI adapter (ARO)",
542 ahc_aic7896_setup
543 },
544 /* aic7899 based controllers */
545 {
546 ID_AHA_3960D,
547 ID_ALL_MASK,
548 "Adaptec 3960D Ultra160 SCSI adapter",
549 ahc_aic7899_setup
550 },
551 {
552 ID_AHA_3960D_CPQ,
553 ID_ALL_MASK,
554 "Adaptec (Compaq OEM) 3960D Ultra160 SCSI adapter",
555 ahc_aic7899_setup
556 },
557 {
558 ID_AIC7899_ARO,
559 ID_ALL_MASK,
560 "Adaptec aic7899 Ultra160 SCSI adapter (ARO)",
561 ahc_aic7899_setup
562 },
563 /* Generic chip probes for devices we don't know 'exactly' */
564 {
565 ID_AIC7850 & ID_DEV_VENDOR_MASK,
566 ID_DEV_VENDOR_MASK,
567 "Adaptec aic7850 SCSI adapter",
568 ahc_aic785X_setup
569 },
570 {
571 ID_AIC7855 & ID_DEV_VENDOR_MASK,
572 ID_DEV_VENDOR_MASK,
573 "Adaptec aic7855 SCSI adapter",
574 ahc_aic785X_setup
575 },
576 {
577 ID_AIC7859 & ID_DEV_VENDOR_MASK,
578 ID_DEV_VENDOR_MASK,
579 "Adaptec aic7859 SCSI adapter",
580 ahc_aic7860_setup
581 },
582 {
583 ID_AIC7860 & ID_DEV_VENDOR_MASK,
584 ID_DEV_VENDOR_MASK,
585 "Adaptec aic7860 Ultra SCSI adapter",
586 ahc_aic7860_setup
587 },
588 {
589 ID_AIC7870 & ID_DEV_VENDOR_MASK,
590 ID_DEV_VENDOR_MASK,
591 "Adaptec aic7870 SCSI adapter",
592 ahc_aic7870_setup
593 },
594 {
595 ID_AIC7880 & ID_DEV_VENDOR_MASK,
596 ID_DEV_VENDOR_MASK,
597 "Adaptec aic7880 Ultra SCSI adapter",
598 ahc_aic7880_setup
599 },
600 {
601 ID_AIC7890 & ID_9005_GENERIC_MASK,
602 ID_9005_GENERIC_MASK,
603 "Adaptec aic7890/91 Ultra2 SCSI adapter",
604 ahc_aic7890_setup
605 },
606 {
607 ID_AIC7892 & ID_9005_GENERIC_MASK,
608 ID_9005_GENERIC_MASK,
609 "Adaptec aic7892 Ultra160 SCSI adapter",
610 ahc_aic7892_setup
611 },
612 {
613 ID_AIC7895 & ID_DEV_VENDOR_MASK,
614 ID_DEV_VENDOR_MASK,
615 "Adaptec aic7895 Ultra SCSI adapter",
616 ahc_aic7895_setup
617 },
618 {
619 ID_AIC7896 & ID_9005_GENERIC_MASK,
620 ID_9005_GENERIC_MASK,
621 "Adaptec aic7896/97 Ultra2 SCSI adapter",
622 ahc_aic7896_setup
623 },
624 {
625 ID_AIC7899 & ID_9005_GENERIC_MASK,
626 ID_9005_GENERIC_MASK,
627 "Adaptec aic7899 Ultra160 SCSI adapter",
628 ahc_aic7899_setup
629 },
630 {
631 ID_AIC7810 & ID_DEV_VENDOR_MASK,
632 ID_DEV_VENDOR_MASK,
633 "Adaptec aic7810 RAID memory controller",
634 ahc_raid_setup
635 },
636 {
637 ID_AIC7815 & ID_DEV_VENDOR_MASK,
638 ID_DEV_VENDOR_MASK,
639 "Adaptec aic7815 RAID memory controller",
640 ahc_raid_setup
641 }
642 };
643
644 const u_int ahc_num_pci_devs = NUM_ELEMENTS(ahc_pci_ident_table);
645
646 #define AHC_394X_SLOT_CHANNEL_A 4
647 #define AHC_394X_SLOT_CHANNEL_B 5
648
649 #define AHC_398X_SLOT_CHANNEL_A 4
650 #define AHC_398X_SLOT_CHANNEL_B 8
651 #define AHC_398X_SLOT_CHANNEL_C 12
652
653 #define AHC_494X_SLOT_CHANNEL_A 4
654 #define AHC_494X_SLOT_CHANNEL_B 5
655 #define AHC_494X_SLOT_CHANNEL_C 6
656 #define AHC_494X_SLOT_CHANNEL_D 7
657
658 #define DEVCONFIG 0x40
659 #define PCIERRGENDIS 0x80000000ul
660 #define SCBSIZE32 0x00010000ul /* aic789X only */
661 #define REXTVALID 0x00001000ul /* ultra cards only */
662 #define MPORTMODE 0x00000400ul /* aic7870+ only */
663 #define RAMPSM 0x00000200ul /* aic7870+ only */
664 #define VOLSENSE 0x00000100ul
665 #define PCI64BIT 0x00000080ul /* 64Bit PCI bus (Ultra2 Only)*/
666 #define SCBRAMSEL 0x00000080ul
667 #define MRDCEN 0x00000040ul
668 #define EXTSCBTIME 0x00000020ul /* aic7870 only */
669 #define EXTSCBPEN 0x00000010ul /* aic7870 only */
670 #define BERREN 0x00000008ul
671 #define DACEN 0x00000004ul
672 #define STPWLEVEL 0x00000002ul
673 #define DIFACTNEGEN 0x00000001ul /* aic7870 only */
674
675 #define CSIZE_LATTIME 0x0c
676 #define CACHESIZE 0x0000003ful /* only 5 bits */
677 #define LATTIME 0x0000ff00ul
678
679 /* PCI STATUS definitions */
680 #define DPE 0x80
681 #define SSE 0x40
682 #define RMA 0x20
683 #define RTA 0x10
684 #define STA 0x08
685 #define DPR 0x01
686
687 static int ahc_9005_subdevinfo_valid(uint16_t vendor, uint16_t device,
688 uint16_t subvendor, uint16_t subdevice);
689 static int ahc_ext_scbram_present(struct ahc_softc *ahc);
690 static void ahc_scbram_config(struct ahc_softc *ahc, int enable,
691 int pcheck, int fast, int large);
692 static void ahc_probe_ext_scbram(struct ahc_softc *ahc);
693
694 int ahc_pci_probe __P((struct device *, struct cfdata *, void *));
695 void ahc_pci_attach __P((struct device *, struct device *, void *));
696
697
698 CFATTACH_DECL(ahc_pci, sizeof(struct ahc_softc),
699 ahc_pci_probe, ahc_pci_attach, NULL, NULL);
700
701 const struct ahc_pci_identity *
702 ahc_find_pci_device(id, subid, func)
703 pcireg_t id, subid;
704 u_int func;
705 {
706 u_int64_t full_id;
707 const struct ahc_pci_identity *entry;
708 u_int i;
709
710 full_id = ahc_compose_id(PCI_PRODUCT(id), PCI_VENDOR(id),
711 PCI_PRODUCT(subid), PCI_VENDOR(subid));
712
713 /*
714 * If the second function is not hooked up, ignore it.
715 * Unfortunately, not all MB vendors implement the
716 * subdevice ID as per the Adaptec spec, so do our best
717 * to sanity check it prior to accepting the subdevice
718 * ID as valid.
719 */
720 if (func > 0
721 && ahc_9005_subdevinfo_valid(PCI_VENDOR(id), PCI_PRODUCT(id),
722 PCI_VENDOR(subid), PCI_PRODUCT(subid))
723 && SUBID_9005_MFUNCENB(PCI_PRODUCT(subid)) == 0)
724 return (NULL);
725
726 for (i = 0; i < ahc_num_pci_devs; i++) {
727 entry = &ahc_pci_ident_table[i];
728 if (entry->full_id == (full_id & entry->id_mask))
729 return (entry);
730 }
731 return (NULL);
732 }
733
734 int
735 ahc_pci_probe(parent, match, aux)
736 struct device *parent;
737 struct cfdata *match;
738 void *aux;
739 {
740 struct pci_attach_args *pa = aux;
741 const struct ahc_pci_identity *entry;
742 pcireg_t subid;
743
744 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
745 entry = ahc_find_pci_device(pa->pa_id, subid, pa->pa_function);
746 return entry != NULL ? 1 : 0;
747 }
748
749 void
750 ahc_pci_attach(parent, self, aux)
751 struct device *parent, *self;
752 void *aux;
753 {
754 struct pci_attach_args *pa = aux;
755 const struct ahc_pci_identity *entry;
756 struct ahc_softc *ahc = (void *)self;
757 pcireg_t command;
758 u_int our_id = 0;
759 u_int sxfrctl1;
760 u_int scsiseq;
761 u_int sblkctl;
762 uint8_t dscommand0;
763 uint32_t devconfig;
764 int error;
765 pcireg_t subid;
766 int ioh_valid, memh_valid;
767 bus_space_tag_t st, iot;
768 bus_space_handle_t sh, ioh;
769 #ifdef AHC_ALLOW_MEMIO
770 bus_space_tag_t memt;
771 bus_space_handle_t memh;
772 pcireg_t memtype;
773 #endif
774 pci_intr_handle_t ih;
775 const char *intrstr;
776 struct ahc_pci_busdata *bd;
777
778 ahc_set_name(ahc, ahc->sc_dev.dv_xname);
779 ahc->parent_dmat = pa->pa_dmat;
780
781 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
782 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
783 entry = ahc_find_pci_device(pa->pa_id, subid, pa->pa_function);
784 if (entry == NULL)
785 return;
786
787 /* Keep information about the PCI bus */
788 bd = malloc(sizeof (struct ahc_pci_busdata), M_DEVBUF, M_NOWAIT);
789 if (bd == NULL) {
790 printf("%s: unable to allocate bus-specific data\n", ahc_name(ahc));
791 return;
792 }
793 memset(bd, 0, sizeof(struct ahc_pci_busdata));
794
795 bd->pc = pa->pa_pc;
796 bd->tag = pa->pa_tag;
797 bd->func = pa->pa_function;
798 bd->dev = pa->pa_device;
799 bd->class = pa->pa_class;
800
801 ahc->bd = bd;
802
803 ahc->description = entry->name;
804
805 error = entry->setup(ahc);
806 if (error != 0)
807 return;
808
809 ioh_valid = memh_valid = 0;
810
811 #ifdef AHC_ALLOW_MEMIO
812 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, AHC_PCI_MEMADDR);
813 switch (memtype) {
814 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
815 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
816 memh_valid = (pci_mapreg_map(pa, AHC_PCI_MEMADDR,
817 memtype, 0, &memt, &memh, NULL, NULL) == 0);
818 break;
819 default:
820 memh_valid = 0;
821 }
822 #endif
823 ioh_valid = (pci_mapreg_map(pa, AHC_PCI_IOADDR,
824 PCI_MAPREG_TYPE_IO, 0, &iot,
825 &ioh, NULL, NULL) == 0);
826 #if 0
827 printf("%s: mem mapping: memt 0x%x, memh 0x%x, iot 0x%x, ioh 0x%lx\n",
828 ahc_name(ahc), memt, (u_int32_t)memh, (u_int32_t)iot, ioh);
829 #endif
830
831 if (ioh_valid) {
832 st = iot;
833 sh = ioh;
834 #ifdef AHC_ALLOW_MEMIO
835 } else if (memh_valid) {
836 st = memt;
837 sh = memh;
838 #endif
839 } else {
840 printf(": unable to map registers\n");
841 return;
842 }
843 ahc->tag = st;
844 ahc->bsh = sh;
845
846 ahc->chip |= AHC_PCI;
847 /*
848 * Before we continue probing the card, ensure that
849 * its interrupts are *disabled*. We don't want
850 * a misstep to hang the machine in an interrupt
851 * storm.
852 */
853 ahc_intr_enable(ahc, FALSE);
854
855 /*
856 * XXX somehow reading this once fails on some sparc64 systems.
857 * This may be a problem in the sparc64 PCI code. Doing it
858 * twice works around it.
859 */
860 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
861 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
862
863 /*
864 * If we need to support high memory, enable dual
865 * address cycles. This bit must be set to enable
866 * high address bit generation even if we are on a
867 * 64bit bus (PCI64BIT set in devconfig).
868 */
869 if ((ahc->flags & AHC_39BIT_ADDRESSING) != 0) {
870
871 if (1/*bootverbose*/)
872 printf("%s: Enabling 39Bit Addressing\n",
873 ahc_name(ahc));
874 devconfig |= DACEN;
875 }
876
877 /* Ensure that pci error generation, a test feature, is disabled. */
878 devconfig |= PCIERRGENDIS;
879
880 pci_conf_write(pa->pa_pc, pa->pa_tag, DEVCONFIG, devconfig);
881
882 /* Ensure busmastering is enabled */
883 command |= PCI_COMMAND_MASTER_ENABLE;;
884 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
885
886 /*
887 * Disable PCI parity error reporting. Users typically
888 * do this to work around broken PCI chipsets that get
889 * the parity timing wrong and thus generate lots of spurious
890 * errors.
891 */
892 if ((ahc->flags & AHC_DISABLE_PCI_PERR) != 0)
893 command &= ~PCI_COMMAND_PARITY_ENABLE;
894 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
895
896 /* On all PCI adapters, we allow SCB paging */
897 ahc->flags |= AHC_PAGESCBS;
898 error = ahc_softc_init(ahc);
899 if (error != 0)
900 goto error_out;
901
902 ahc->bus_intr = ahc_pci_intr;
903
904 /* Remember how the card was setup in case there is no SEEPROM */
905 if ((ahc_inb(ahc, HCNTRL) & POWRDN) == 0) {
906 ahc_pause(ahc);
907 if ((ahc->features & AHC_ULTRA2) != 0)
908 our_id = ahc_inb(ahc, SCSIID_ULTRA2) & OID;
909 else
910 our_id = ahc_inb(ahc, SCSIID) & OID;
911 sxfrctl1 = ahc_inb(ahc, SXFRCTL1) & STPWEN;
912 scsiseq = ahc_inb(ahc, SCSISEQ);
913 } else {
914 sxfrctl1 = STPWEN;
915 our_id = 7;
916 scsiseq = 0;
917 }
918
919 error = ahc_reset(ahc);
920 if (error != 0)
921 goto error_out;
922
923 if ((ahc->features & AHC_DT) != 0) {
924 u_int sfunct;
925
926 /* Perform ALT-Mode Setup */
927 sfunct = ahc_inb(ahc, SFUNCT) & ~ALT_MODE;
928 ahc_outb(ahc, SFUNCT, sfunct | ALT_MODE);
929 ahc_outb(ahc, OPTIONMODE,
930 OPTIONMODE_DEFAULTS|AUTOACKEN|BUSFREEREV|EXPPHASEDIS);
931 ahc_outb(ahc, SFUNCT, sfunct);
932
933 /* Normal mode setup */
934 ahc_outb(ahc, CRCCONTROL1, CRCVALCHKEN|CRCENDCHKEN|CRCREQCHKEN
935 |TARGCRCENDEN);
936 }
937
938 if (pci_intr_map(pa, &ih)) {
939 printf("%s: couldn't map interrupt\n", ahc_name(ahc));
940 ahc_free(ahc);
941 return;
942 }
943 intrstr = pci_intr_string(pa->pa_pc, ih);
944 ahc->ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, ahc_intr, ahc);
945 if (ahc->ih == NULL) {
946 printf("%s: couldn't establish interrupt",
947 ahc->sc_dev.dv_xname);
948 if (intrstr != NULL)
949 printf(" at %s", intrstr);
950 printf("\n");
951 ahc_free(ahc);
952 return;
953 }
954 printf("\n");
955 if (intrstr != NULL)
956 printf("%s: interrupting at %s\n", ahc_name(ahc), intrstr);
957
958 dscommand0 = ahc_inb(ahc, DSCOMMAND0);
959 dscommand0 |= MPARCKEN|CACHETHEN;
960 if ((ahc->features & AHC_ULTRA2) != 0) {
961
962 /*
963 * DPARCKEN doesn't work correctly on
964 * some MBs so don't use it.
965 */
966 dscommand0 &= ~DPARCKEN;
967 }
968
969 /*
970 * Handle chips that must have cache line
971 * streaming (dis/en)abled.
972 */
973 if ((ahc->bugs & AHC_CACHETHEN_DIS_BUG) != 0)
974 dscommand0 |= CACHETHEN;
975
976 if ((ahc->bugs & AHC_CACHETHEN_BUG) != 0)
977 dscommand0 &= ~CACHETHEN;
978
979 ahc_outb(ahc, DSCOMMAND0, dscommand0);
980
981 ahc->pci_cachesize =
982 pci_conf_read(pa->pa_pc, pa->pa_tag, CSIZE_LATTIME) & CACHESIZE;
983 ahc->pci_cachesize *= 4;
984
985 if ((ahc->bugs & AHC_PCI_2_1_RETRY_BUG) != 0
986 && ahc->pci_cachesize == 4) {
987 pci_conf_write(pa->pa_pc, pa->pa_tag, CSIZE_LATTIME, 0);
988 ahc->pci_cachesize = 0;
989 }
990
991 /*
992 * We cannot perform ULTRA speeds without the presence
993 * of the external precision resistor.
994 */
995 if ((ahc->features & AHC_ULTRA) != 0) {
996 uint32_t devconfig;
997
998 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
999 if ((devconfig & REXTVALID) == 0)
1000 ahc->features &= ~AHC_ULTRA;
1001 }
1002
1003 ahc->seep_config = malloc(sizeof(*ahc->seep_config),
1004 M_DEVBUF, M_NOWAIT);
1005 if (ahc->seep_config == NULL)
1006 goto error_out;
1007
1008 memset(ahc->seep_config, 0, sizeof(*ahc->seep_config));
1009
1010 /* See if we have a SEEPROM and perform auto-term */
1011 ahc_check_extport(ahc, &sxfrctl1);
1012
1013 /*
1014 * Take the LED out of diagnostic mode
1015 */
1016 sblkctl = ahc_inb(ahc, SBLKCTL);
1017 ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON)));
1018
1019 if ((ahc->features & AHC_ULTRA2) != 0) {
1020 ahc_outb(ahc, DFF_THRSH, RD_DFTHRSH_MAX|WR_DFTHRSH_MAX);
1021 } else {
1022 ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100);
1023 }
1024
1025 if (ahc->flags & AHC_USEDEFAULTS) {
1026 /*
1027 * PCI Adapter default setup
1028 * Should only be used if the adapter does not have
1029 * a SEEPROM.
1030 */
1031 /* See if someone else set us up already */
1032 if ((ahc->flags & AHC_NO_BIOS_INIT) == 0
1033 && scsiseq != 0) {
1034 printf("%s: Using left over BIOS settings\n",
1035 ahc_name(ahc));
1036 ahc->flags &= ~AHC_USEDEFAULTS;
1037 ahc->flags |= AHC_BIOS_ENABLED;
1038 } else {
1039 /*
1040 * Assume only one connector and always turn
1041 * on termination.
1042 */
1043 our_id = 0x07;
1044 sxfrctl1 = STPWEN;
1045 }
1046 ahc_outb(ahc, SCSICONF, our_id|ENSPCHK|RESET_SCSI);
1047
1048 ahc->our_id = our_id;
1049 }
1050
1051 /*
1052 * Take a look to see if we have external SRAM.
1053 * We currently do not attempt to use SRAM that is
1054 * shared among multiple controllers.
1055 */
1056 ahc_probe_ext_scbram(ahc);
1057
1058 /*
1059 * Record our termination setting for the
1060 * generic initialization routine.
1061 */
1062 if ((sxfrctl1 & STPWEN) != 0)
1063 ahc->flags |= AHC_TERM_ENB_A;
1064
1065 if (ahc_init(ahc))
1066 goto error_out;
1067
1068 ahc_attach(ahc);
1069
1070 return;
1071
1072 error_out:
1073 ahc_free(ahc);
1074 return;
1075 }
1076
1077 static int
1078 ahc_9005_subdevinfo_valid(uint16_t device, uint16_t vendor,
1079 uint16_t subdevice, uint16_t subvendor)
1080 {
1081 int result;
1082
1083 /* Default to invalid. */
1084 result = 0;
1085 if (vendor == 0x9005
1086 && subvendor == 0x9005
1087 && subdevice != device
1088 && SUBID_9005_TYPE_KNOWN(subdevice) != 0) {
1089
1090 switch (SUBID_9005_TYPE(subdevice)) {
1091 case SUBID_9005_TYPE_MB:
1092 break;
1093 case SUBID_9005_TYPE_CARD:
1094 case SUBID_9005_TYPE_LCCARD:
1095 /*
1096 * Currently only trust Adaptec cards to
1097 * get the sub device info correct.
1098 */
1099 if (DEVID_9005_TYPE(device) == DEVID_9005_TYPE_HBA)
1100 result = 1;
1101 break;
1102 case SUBID_9005_TYPE_RAID:
1103 break;
1104 default:
1105 break;
1106 }
1107 }
1108 return (result);
1109 }
1110
1111
1112 /*
1113 * Test for the presense of external sram in an
1114 * "unshared" configuration.
1115 */
1116 static int
1117 ahc_ext_scbram_present(struct ahc_softc *ahc)
1118 {
1119 u_int chip;
1120 int ramps;
1121 int single_user;
1122 uint32_t devconfig;
1123
1124 chip = ahc->chip & AHC_CHIPID_MASK;
1125 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1126 single_user = (devconfig & MPORTMODE) != 0;
1127
1128 if ((ahc->features & AHC_ULTRA2) != 0)
1129 ramps = (ahc_inb(ahc, DSCOMMAND0) & RAMPS) != 0;
1130 else if (chip == AHC_AIC7895 || chip == AHC_AIC7895C)
1131 /*
1132 * External SCBRAM arbitration is flakey
1133 * on these chips. Unfortunately this means
1134 * we don't use the extra SCB ram space on the
1135 * 3940AUW.
1136 */
1137 ramps = 0;
1138 else if (chip >= AHC_AIC7870)
1139 ramps = (devconfig & RAMPSM) != 0;
1140 else
1141 ramps = 0;
1142
1143 if (ramps && single_user)
1144 return (1);
1145 return (0);
1146 }
1147
1148 /*
1149 * Enable external scbram.
1150 */
1151 static void
1152 ahc_scbram_config(struct ahc_softc *ahc, int enable, int pcheck,
1153 int fast, int large)
1154 {
1155 uint32_t devconfig;
1156
1157 if (ahc->features & AHC_MULTI_FUNC) {
1158 /*
1159 * Set the SCB Base addr (highest address bit)
1160 * depending on which channel we are.
1161 */
1162 ahc_outb(ahc, SCBBADDR, ahc->bd->func);
1163 }
1164
1165 ahc->flags &= ~AHC_LSCBS_ENABLED;
1166 if (large)
1167 ahc->flags |= AHC_LSCBS_ENABLED;
1168 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1169 if ((ahc->features & AHC_ULTRA2) != 0) {
1170 u_int dscommand0;
1171
1172 dscommand0 = ahc_inb(ahc, DSCOMMAND0);
1173 if (enable)
1174 dscommand0 &= ~INTSCBRAMSEL;
1175 else
1176 dscommand0 |= INTSCBRAMSEL;
1177 if (large)
1178 dscommand0 &= ~USCBSIZE32;
1179 else
1180 dscommand0 |= USCBSIZE32;
1181 ahc_outb(ahc, DSCOMMAND0, dscommand0);
1182 } else {
1183 if (fast)
1184 devconfig &= ~EXTSCBTIME;
1185 else
1186 devconfig |= EXTSCBTIME;
1187 if (enable)
1188 devconfig &= ~SCBRAMSEL;
1189 else
1190 devconfig |= SCBRAMSEL;
1191 if (large)
1192 devconfig &= ~SCBSIZE32;
1193 else
1194 devconfig |= SCBSIZE32;
1195 }
1196 if (pcheck)
1197 devconfig |= EXTSCBPEN;
1198 else
1199 devconfig &= ~EXTSCBPEN;
1200
1201 pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig);
1202 }
1203
1204 /*
1205 * Take a look to see if we have external SRAM.
1206 * We currently do not attempt to use SRAM that is
1207 * shared among multiple controllers.
1208 */
1209 static void
1210 ahc_probe_ext_scbram(struct ahc_softc *ahc)
1211 {
1212 int num_scbs;
1213 int test_num_scbs;
1214 int enable;
1215 int pcheck;
1216 int fast;
1217 int large;
1218
1219 enable = FALSE;
1220 pcheck = FALSE;
1221 fast = FALSE;
1222 large = FALSE;
1223 num_scbs = 0;
1224
1225 if (ahc_ext_scbram_present(ahc) == 0)
1226 goto done;
1227
1228 /*
1229 * Probe for the best parameters to use.
1230 */
1231 ahc_scbram_config(ahc, /*enable*/TRUE, pcheck, fast, large);
1232 num_scbs = ahc_probe_scbs(ahc);
1233 if (num_scbs == 0) {
1234 /* The SRAM wasn't really present. */
1235 goto done;
1236 }
1237 enable = TRUE;
1238
1239 /*
1240 * Clear any outstanding parity error
1241 * and ensure that parity error reporting
1242 * is enabled.
1243 */
1244 ahc_outb(ahc, SEQCTL, 0);
1245 ahc_outb(ahc, CLRINT, CLRPARERR);
1246 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1247
1248 /* Now see if we can do parity */
1249 ahc_scbram_config(ahc, enable, /*pcheck*/TRUE, fast, large);
1250 num_scbs = ahc_probe_scbs(ahc);
1251 if ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
1252 || (ahc_inb(ahc, ERROR) & MPARERR) == 0)
1253 pcheck = TRUE;
1254
1255 /* Clear any resulting parity error */
1256 ahc_outb(ahc, CLRINT, CLRPARERR);
1257 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1258
1259 /* Now see if we can do fast timing */
1260 ahc_scbram_config(ahc, enable, pcheck, /*fast*/TRUE, large);
1261 test_num_scbs = ahc_probe_scbs(ahc);
1262 if (test_num_scbs == num_scbs
1263 && ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
1264 || (ahc_inb(ahc, ERROR) & MPARERR) == 0))
1265 fast = TRUE;
1266
1267 /*
1268 * See if we can use large SCBs and still maintain
1269 * the same overall count of SCBs.
1270 */
1271 if ((ahc->features & AHC_LARGE_SCBS) != 0) {
1272 ahc_scbram_config(ahc, enable, pcheck, fast, /*large*/TRUE);
1273 test_num_scbs = ahc_probe_scbs(ahc);
1274 if (test_num_scbs >= num_scbs) {
1275 large = TRUE;
1276 num_scbs = test_num_scbs;
1277 if (num_scbs >= 64) {
1278 /*
1279 * We have enough space to move the
1280 * "busy targets table" into SCB space
1281 * and make it qualify all the way to the
1282 * lun level.
1283 */
1284 ahc->flags |= AHC_SCB_BTT;
1285 }
1286 }
1287 }
1288 done:
1289 /*
1290 * Disable parity error reporting until we
1291 * can load instruction ram.
1292 */
1293 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
1294 /* Clear any latched parity error */
1295 ahc_outb(ahc, CLRINT, CLRPARERR);
1296 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1297 if (1/*bootverbose*/ && enable) {
1298 printf("%s: External SRAM, %s access%s, %dbytes/SCB\n",
1299 ahc_name(ahc), fast ? "fast" : "slow",
1300 pcheck ? ", parity checking enabled" : "",
1301 large ? 64 : 32);
1302 }
1303 ahc_scbram_config(ahc, enable, pcheck, fast, large);
1304 }
1305
1306 #if 0
1307 /*
1308 * Perform some simple tests that should catch situations where
1309 * our registers are invalidly mapped.
1310 */
1311 int
1312 ahc_pci_test_register_access(struct ahc_softc *ahc)
1313 {
1314 int error;
1315 u_int status1;
1316 uint32_t cmd;
1317 uint8_t hcntrl;
1318
1319 error = EIO;
1320
1321 /*
1322 * Enable PCI error interrupt status, but suppress NMIs
1323 * generated by SERR raised due to target aborts.
1324 */
1325 cmd = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND);
1326 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND,
1327 cmd & ~PCIM_CMD_SERRESPEN);
1328
1329 /*
1330 * First a simple test to see if any
1331 * registers can be read. Reading
1332 * HCNTRL has no side effects and has
1333 * at least one bit that is guaranteed to
1334 * be zero so it is a good register to
1335 * use for this test.
1336 */
1337 hcntrl = ahc_inb(ahc, HCNTRL);
1338 if (hcntrl == 0xFF)
1339 goto fail;
1340
1341 /*
1342 * Next create a situation where write combining
1343 * or read prefetching could be initiated by the
1344 * CPU or host bridge. Our device does not support
1345 * either, so look for data corruption and/or flagged
1346 * PCI errors.
1347 */
1348 ahc_outb(ahc, HCNTRL, hcntrl|PAUSE);
1349 while (ahc_is_paused(ahc) == 0)
1350 ;
1351 ahc_outb(ahc, SEQCTL, PERRORDIS);
1352 ahc_outb(ahc, SCBPTR, 0);
1353 ahc_outl(ahc, SCB_BASE, 0x5aa555aa);
1354 if (ahc_inl(ahc, SCB_BASE) != 0x5aa555aa)
1355 goto fail;
1356
1357 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1358 PCI_COMMAND_STATUS_REG + 1);
1359 if ((status1 & STA) != 0)
1360 goto fail;
1361
1362 error = 0;
1363
1364 fail:
1365 /* Silently clear any latched errors. */
1366 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG + 1);
1367 ahc_pci_write_config(ahc->dev_softc, PCIR_STATUS + 1,
1368 status1, /*bytes*/1);
1369 ahc_outb(ahc, CLRINT, CLRPARERR);
1370 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
1371 ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, cmd, /*bytes*/2);
1372 return (error);
1373 }
1374 #endif
1375
1376 void
1377 ahc_pci_intr(struct ahc_softc *ahc)
1378 {
1379 u_int error;
1380 u_int status1;
1381
1382 error = ahc_inb(ahc, ERROR);
1383 if ((error & PCIERRSTAT) == 0)
1384 return;
1385
1386 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG);
1387
1388 printf("%s: PCI error Interrupt at seqaddr = 0x%x\n",
1389 ahc_name(ahc),
1390 ahc_inb(ahc, SEQADDR0) | (ahc_inb(ahc, SEQADDR1) << 8));
1391
1392 if (status1 & DPE) {
1393 printf("%s: Data Parity Error Detected during address "
1394 "or write data phase\n", ahc_name(ahc));
1395 }
1396 if (status1 & SSE) {
1397 printf("%s: Signal System Error Detected\n", ahc_name(ahc));
1398 }
1399 if (status1 & RMA) {
1400 printf("%s: Received a Master Abort\n", ahc_name(ahc));
1401 }
1402 if (status1 & RTA) {
1403 printf("%s: Received a Target Abort\n", ahc_name(ahc));
1404 }
1405 if (status1 & STA) {
1406 printf("%s: Signaled a Target Abort\n", ahc_name(ahc));
1407 }
1408 if (status1 & DPR) {
1409 printf("%s: Data Parity Error has been reported via PERR#\n",
1410 ahc_name(ahc));
1411 }
1412
1413 /* Clear latched errors. */
1414 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG, status1);
1415
1416 if ((status1 & (DPE|SSE|RMA|RTA|STA|DPR)) == 0) {
1417 printf("%s: Latched PCIERR interrupt with "
1418 "no status bits set\n", ahc_name(ahc));
1419 } else {
1420 ahc_outb(ahc, CLRINT, CLRPARERR);
1421 }
1422
1423 ahc_unpause(ahc);
1424 }
1425
1426 static int
1427 ahc_aic785X_setup(struct ahc_softc *ahc)
1428 {
1429 uint8_t rev;
1430
1431 ahc->channel = 'A';
1432 ahc->chip = AHC_AIC7850;
1433 ahc->features = AHC_AIC7850_FE;
1434 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1435 rev = PCI_REVISION(ahc->bd->class);
1436 if (rev >= 1)
1437 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1438 return (0);
1439 }
1440
1441 static int
1442 ahc_aic7860_setup(struct ahc_softc *ahc)
1443 {
1444 uint8_t rev;
1445
1446 ahc->channel = 'A';
1447 ahc->chip = AHC_AIC7860;
1448 ahc->features = AHC_AIC7860_FE;
1449 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1450 rev = PCI_REVISION(ahc->bd->class);
1451 if (rev >= 1)
1452 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1453 return (0);
1454 }
1455
1456 static int
1457 ahc_apa1480_setup(struct ahc_softc *ahc)
1458 {
1459 int error;
1460
1461 error = ahc_aic7860_setup(ahc);
1462 if (error != 0)
1463 return (error);
1464 ahc->features |= AHC_REMOVABLE;
1465 return (0);
1466 }
1467
1468 static int
1469 ahc_aic7870_setup(struct ahc_softc *ahc)
1470 {
1471
1472 ahc->channel = 'A';
1473 ahc->chip = AHC_AIC7870;
1474 ahc->features = AHC_AIC7870_FE;
1475 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1476 return (0);
1477 }
1478
1479 static int
1480 ahc_aha394X_setup(struct ahc_softc *ahc)
1481 {
1482 int error;
1483
1484 error = ahc_aic7870_setup(ahc);
1485 if (error == 0)
1486 error = ahc_aha394XX_setup(ahc);
1487 return (error);
1488 }
1489
1490 static int
1491 ahc_aha398X_setup(struct ahc_softc *ahc)
1492 {
1493 int error;
1494
1495 error = ahc_aic7870_setup(ahc);
1496 if (error == 0)
1497 error = ahc_aha398XX_setup(ahc);
1498 return (error);
1499 }
1500
1501 static int
1502 ahc_aha494X_setup(struct ahc_softc *ahc)
1503 {
1504 int error;
1505
1506 error = ahc_aic7870_setup(ahc);
1507 if (error == 0)
1508 error = ahc_aha494XX_setup(ahc);
1509 return (error);
1510 }
1511
1512 static int
1513 ahc_aic7880_setup(struct ahc_softc *ahc)
1514 {
1515 uint8_t rev;
1516
1517 ahc->channel = 'A';
1518 ahc->chip = AHC_AIC7880;
1519 ahc->features = AHC_AIC7880_FE;
1520 ahc->bugs |= AHC_TMODE_WIDEODD_BUG;
1521 rev = PCI_REVISION(ahc->bd->class);
1522 if (rev >= 1) {
1523 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1524 } else {
1525 ahc->bugs |= AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1526 }
1527 return (0);
1528 }
1529
1530 static int
1531 ahc_aha2940Pro_setup(struct ahc_softc *ahc)
1532 {
1533
1534 ahc->flags |= AHC_INT50_SPEEDFLEX;
1535 return (ahc_aic7880_setup(ahc));
1536 }
1537
1538 static int
1539 ahc_aha394XU_setup(struct ahc_softc *ahc)
1540 {
1541 int error;
1542
1543 error = ahc_aic7880_setup(ahc);
1544 if (error == 0)
1545 error = ahc_aha394XX_setup(ahc);
1546 return (error);
1547 }
1548
1549 static int
1550 ahc_aha398XU_setup(struct ahc_softc *ahc)
1551 {
1552 int error;
1553
1554 error = ahc_aic7880_setup(ahc);
1555 if (error == 0)
1556 error = ahc_aha398XX_setup(ahc);
1557 return (error);
1558 }
1559
1560 static int
1561 ahc_aic7890_setup(struct ahc_softc *ahc)
1562 {
1563 uint8_t rev;
1564
1565 ahc->channel = 'A';
1566 ahc->chip = AHC_AIC7890;
1567 ahc->features = AHC_AIC7890_FE;
1568 ahc->flags |= AHC_NEWEEPROM_FMT;
1569 rev = PCI_REVISION(ahc->bd->class);
1570 if (rev == 0)
1571 ahc->bugs |= AHC_AUTOFLUSH_BUG|AHC_CACHETHEN_BUG;
1572 return (0);
1573 }
1574
1575 static int
1576 ahc_aic7892_setup(struct ahc_softc *ahc)
1577 {
1578
1579 ahc->channel = 'A';
1580 ahc->chip = AHC_AIC7892;
1581 ahc->features = AHC_AIC7892_FE;
1582 ahc->flags |= AHC_NEWEEPROM_FMT;
1583 ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
1584 return (0);
1585 }
1586
1587 static int
1588 ahc_aic7895_setup(struct ahc_softc *ahc)
1589 {
1590 uint8_t rev;
1591
1592 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1593 /*
1594 * The 'C' revision of the aic7895 has a few additional features.
1595 */
1596 rev = PCI_REVISION(ahc->bd->class);
1597 if (rev >= 4) {
1598 ahc->chip = AHC_AIC7895C;
1599 ahc->features = AHC_AIC7895C_FE;
1600 } else {
1601 u_int command;
1602
1603 ahc->chip = AHC_AIC7895;
1604 ahc->features = AHC_AIC7895_FE;
1605
1606 /*
1607 * The BIOS disables the use of MWI transactions
1608 * since it does not have the MWI bug work around
1609 * we have. Disabling MWI reduces performance, so
1610 * turn it on again.
1611 */
1612 command = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG);
1613 command |= PCI_COMMAND_INVALIDATE_ENABLE;
1614 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG, command);
1615 ahc->bugs |= AHC_PCI_MWI_BUG;
1616 }
1617 /*
1618 * XXX Does CACHETHEN really not work??? What about PCI retry?
1619 * on C level chips. Need to test, but for now, play it safe.
1620 */
1621 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_PCI_2_1_RETRY_BUG
1622 | AHC_CACHETHEN_BUG;
1623
1624 #if 0
1625 uint32_t devconfig;
1626
1627 /*
1628 * Cachesize must also be zero due to stray DAC
1629 * problem when sitting behind some bridges.
1630 */
1631 pci_conf_write(ahc->bd->pc, ahc->bd->tag, CSIZE_LATTIME, 0);
1632 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1633 devconfig |= MRDCEN;
1634 pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig);
1635 #endif
1636 ahc->flags |= AHC_NEWEEPROM_FMT;
1637 return (0);
1638 }
1639
1640 static int
1641 ahc_aic7896_setup(struct ahc_softc *ahc)
1642 {
1643 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1644 ahc->chip = AHC_AIC7896;
1645 ahc->features = AHC_AIC7896_FE;
1646 ahc->flags |= AHC_NEWEEPROM_FMT;
1647 ahc->bugs |= AHC_CACHETHEN_DIS_BUG;
1648 return (0);
1649 }
1650
1651 static int
1652 ahc_aic7899_setup(struct ahc_softc *ahc)
1653 {
1654 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1655 ahc->chip = AHC_AIC7899;
1656 ahc->features = AHC_AIC7899_FE;
1657 ahc->flags |= AHC_NEWEEPROM_FMT;
1658 ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
1659 return (0);
1660 }
1661
1662 static int
1663 ahc_aha29160C_setup(struct ahc_softc *ahc)
1664 {
1665 int error;
1666
1667 error = ahc_aic7899_setup(ahc);
1668 if (error != 0)
1669 return (error);
1670 ahc->features |= AHC_REMOVABLE;
1671 return (0);
1672 }
1673
1674 static int
1675 ahc_raid_setup(struct ahc_softc *ahc)
1676 {
1677 printf("RAID functionality unsupported\n");
1678 return (ENXIO);
1679 }
1680
1681 static int
1682 ahc_aha394XX_setup(struct ahc_softc *ahc)
1683 {
1684
1685 switch (ahc->bd->dev) {
1686 case AHC_394X_SLOT_CHANNEL_A:
1687 ahc->channel = 'A';
1688 break;
1689 case AHC_394X_SLOT_CHANNEL_B:
1690 ahc->channel = 'B';
1691 break;
1692 default:
1693 printf("adapter at unexpected slot %d\n"
1694 "unable to map to a channel\n",
1695 ahc->bd->dev);
1696 ahc->channel = 'A';
1697 }
1698 return (0);
1699 }
1700
1701 static int
1702 ahc_aha398XX_setup(struct ahc_softc *ahc)
1703 {
1704
1705 switch (ahc->bd->dev) {
1706 case AHC_398X_SLOT_CHANNEL_A:
1707 ahc->channel = 'A';
1708 break;
1709 case AHC_398X_SLOT_CHANNEL_B:
1710 ahc->channel = 'B';
1711 break;
1712 case AHC_398X_SLOT_CHANNEL_C:
1713 ahc->channel = 'C';
1714 break;
1715 default:
1716 printf("adapter at unexpected slot %d\n"
1717 "unable to map to a channel\n",
1718 ahc->bd->dev);
1719 ahc->channel = 'A';
1720 break;
1721 }
1722 ahc->flags |= AHC_LARGE_SEEPROM;
1723 return (0);
1724 }
1725
1726 static int
1727 ahc_aha494XX_setup(struct ahc_softc *ahc)
1728 {
1729
1730 switch (ahc->bd->dev) {
1731 case AHC_494X_SLOT_CHANNEL_A:
1732 ahc->channel = 'A';
1733 break;
1734 case AHC_494X_SLOT_CHANNEL_B:
1735 ahc->channel = 'B';
1736 break;
1737 case AHC_494X_SLOT_CHANNEL_C:
1738 ahc->channel = 'C';
1739 break;
1740 case AHC_494X_SLOT_CHANNEL_D:
1741 ahc->channel = 'D';
1742 break;
1743 default:
1744 printf("adapter at unexpected slot %d\n"
1745 "unable to map to a channel\n",
1746 ahc->bd->dev);
1747 ahc->channel = 'A';
1748 }
1749 ahc->flags |= AHC_LARGE_SEEPROM;
1750 return (0);
1751 }
1752