ahc_pci.c revision 1.41.2.3 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 1.41.2.3 2004/09/21 13:31:00 skrll 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 1.41.2.3 2004/09/21 13:31:00 skrll 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_2915LP 0x0082900502109005ull
149 #define ID_AHA_29160 0x00809005E2A09005ull
150 #define ID_AHA_29160_CPQ 0x00809005E2A00E11ull
151 #define ID_AHA_29160N 0x0080900562A09005ull
152 #define ID_AHA_29160C 0x0080900562209005ull
153 #define ID_AHA_29160B 0x00809005E2209005ull
154 #define ID_AHA_19160B 0x0081900562A19005ull
155
156 #define ID_AIC7896 0x005F9005FFFF9005ull
157 #define ID_AIC7896_ARO 0x00539005FFFF9005ull
158 #define ID_AHA_3950U2B_0 0x00509005FFFF9005ull
159 #define ID_AHA_3950U2B_1 0x00509005F5009005ull
160 #define ID_AHA_3950U2D_0 0x00519005FFFF9005ull
161 #define ID_AHA_3950U2D_1 0x00519005B5009005ull
162
163 #define ID_AIC7899 0x00CF9005FFFF9005ull
164 #define ID_AIC7899_ARO 0x00C39005FFFF9005ull
165 #define ID_AHA_3960D 0x00C09005F6209005ull
166 #define ID_AHA_3960D_CPQ 0x00C09005F6200E11ull
167
168 #define ID_AIC7810 0x1078900400000000ull
169 #define ID_AIC7815 0x7815900400000000ull
170
171 #define DEVID_9005_TYPE(id) ((id) & 0xF)
172 #define DEVID_9005_TYPE_HBA 0x0 /* Standard Card */
173 #define DEVID_9005_TYPE_AAA 0x3 /* RAID Card */
174 #define DEVID_9005_TYPE_SISL 0x5 /* Container ROMB */
175 #define DEVID_9005_TYPE_MB 0xF /* On Motherboard */
176
177 #define DEVID_9005_MAXRATE(id) (((id) & 0x30) >> 4)
178 #define DEVID_9005_MAXRATE_U160 0x0
179 #define DEVID_9005_MAXRATE_ULTRA2 0x1
180 #define DEVID_9005_MAXRATE_ULTRA 0x2
181 #define DEVID_9005_MAXRATE_FAST 0x3
182
183 #define DEVID_9005_MFUNC(id) (((id) & 0x40) >> 6)
184
185 #define DEVID_9005_CLASS(id) (((id) & 0xFF00) >> 8)
186 #define DEVID_9005_CLASS_SPI 0x0 /* Parallel SCSI */
187
188 #define SUBID_9005_TYPE(id) ((id) & 0xF)
189 #define SUBID_9005_TYPE_MB 0xF /* On Motherboard */
190 #define SUBID_9005_TYPE_CARD 0x0 /* Standard Card */
191 #define SUBID_9005_TYPE_LCCARD 0x1 /* Low Cost Card */
192 #define SUBID_9005_TYPE_RAID 0x3 /* Combined with Raid */
193
194 #define SUBID_9005_TYPE_KNOWN(id) \
195 ((((id) & 0xF) == SUBID_9005_TYPE_MB) \
196 || (((id) & 0xF) == SUBID_9005_TYPE_CARD) \
197 || (((id) & 0xF) == SUBID_9005_TYPE_LCCARD) \
198 || (((id) & 0xF) == SUBID_9005_TYPE_RAID))
199
200 #define SUBID_9005_MAXRATE(id) (((id) & 0x30) >> 4)
201 #define SUBID_9005_MAXRATE_ULTRA2 0x0
202 #define SUBID_9005_MAXRATE_ULTRA 0x1
203 #define SUBID_9005_MAXRATE_U160 0x2
204 #define SUBID_9005_MAXRATE_RESERVED 0x3
205
206 #define SUBID_9005_SEEPTYPE(id) \
207 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
208 ? ((id) & 0xC0) >> 6 \
209 : ((id) & 0x300) >> 8)
210 #define SUBID_9005_SEEPTYPE_NONE 0x0
211 #define SUBID_9005_SEEPTYPE_1K 0x1
212 #define SUBID_9005_SEEPTYPE_2K_4K 0x2
213 #define SUBID_9005_SEEPTYPE_RESERVED 0x3
214 #define SUBID_9005_AUTOTERM(id) \
215 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
216 ? (((id) & 0x400) >> 10) == 0 \
217 : (((id) & 0x40) >> 6) == 0)
218
219 #define SUBID_9005_NUMCHAN(id) \
220 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
221 ? ((id) & 0x300) >> 8 \
222 : ((id) & 0xC00) >> 10)
223
224 #define SUBID_9005_LEGACYCONN(id) \
225 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
226 ? 0 \
227 : ((id) & 0x80) >> 7)
228
229 #define SUBID_9005_MFUNCENB(id) \
230 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
231 ? ((id) & 0x800) >> 11 \
232 : ((id) & 0x1000) >> 12)
233 /*
234 * Informational only. Should use chip register to be
235 * certain, but may be use in identification strings.
236 */
237 #define SUBID_9005_CARD_SCSIWIDTH_MASK 0x2000
238 #define SUBID_9005_CARD_PCIWIDTH_MASK 0x4000
239 #define SUBID_9005_CARD_SEDIFF_MASK 0x8000
240
241 static ahc_device_setup_t ahc_aic785X_setup;
242 static ahc_device_setup_t ahc_aic7860_setup;
243 static ahc_device_setup_t ahc_apa1480_setup;
244 static ahc_device_setup_t ahc_aic7870_setup;
245 static ahc_device_setup_t ahc_aha394X_setup;
246 static ahc_device_setup_t ahc_aha494X_setup;
247 static ahc_device_setup_t ahc_aha398X_setup;
248 static ahc_device_setup_t ahc_aic7880_setup;
249 static ahc_device_setup_t ahc_aha2940Pro_setup;
250 static ahc_device_setup_t ahc_aha394XU_setup;
251 static ahc_device_setup_t ahc_aha398XU_setup;
252 static ahc_device_setup_t ahc_aic7890_setup;
253 static ahc_device_setup_t ahc_aic7892_setup;
254 static ahc_device_setup_t ahc_aic7895_setup;
255 static ahc_device_setup_t ahc_aic7896_setup;
256 static ahc_device_setup_t ahc_aic7899_setup;
257 static ahc_device_setup_t ahc_aha29160C_setup;
258 static ahc_device_setup_t ahc_raid_setup;
259 static ahc_device_setup_t ahc_aha394XX_setup;
260 static ahc_device_setup_t ahc_aha494XX_setup;
261 static ahc_device_setup_t ahc_aha398XX_setup;
262
263 struct ahc_pci_identity ahc_pci_ident_table [] =
264 {
265 /* aic7850 based controllers */
266 {
267 ID_AHA_2902_04_10_15_20_30C,
268 ID_ALL_MASK,
269 "Adaptec 2902/04/10/15/20/30C SCSI adapter",
270 ahc_aic785X_setup
271 },
272 /* aic7860 based controllers */
273 {
274 ID_AHA_2930CU,
275 ID_ALL_MASK,
276 "Adaptec 2930CU SCSI adapter",
277 ahc_aic7860_setup
278 },
279 {
280 ID_AHA_1480A & ID_DEV_VENDOR_MASK,
281 ID_DEV_VENDOR_MASK,
282 "Adaptec 1480A Ultra SCSI adapter",
283 ahc_apa1480_setup
284 },
285 {
286 ID_AHA_2940AU_0 & ID_DEV_VENDOR_MASK,
287 ID_DEV_VENDOR_MASK,
288 "Adaptec 2940A Ultra SCSI adapter",
289 ahc_aic7860_setup
290 },
291 {
292 ID_AHA_2940AU_CN & ID_DEV_VENDOR_MASK,
293 ID_DEV_VENDOR_MASK,
294 "Adaptec 2940A/CN Ultra SCSI adapter",
295 ahc_aic7860_setup
296 },
297 {
298 ID_AHA_2930C_VAR & ID_DEV_VENDOR_MASK,
299 ID_DEV_VENDOR_MASK,
300 "Adaptec 2930C Ultra SCSI adapter (VAR)",
301 ahc_aic7860_setup
302 },
303 /* aic7870 based controllers */
304 {
305 ID_AHA_2940,
306 ID_ALL_MASK,
307 "Adaptec 2940 SCSI adapter",
308 ahc_aic7870_setup
309 },
310 {
311 ID_AHA_3940,
312 ID_ALL_MASK,
313 "Adaptec 3940 SCSI adapter",
314 ahc_aha394X_setup
315 },
316 {
317 ID_AHA_398X,
318 ID_ALL_MASK,
319 "Adaptec 398X SCSI RAID adapter",
320 ahc_aha398X_setup
321 },
322 {
323 ID_AHA_2944,
324 ID_ALL_MASK,
325 "Adaptec 2944 SCSI adapter",
326 ahc_aic7870_setup
327 },
328 {
329 ID_AHA_3944,
330 ID_ALL_MASK,
331 "Adaptec 3944 SCSI adapter",
332 ahc_aha394X_setup
333 },
334 {
335 ID_AHA_4944,
336 ID_ALL_MASK,
337 "Adaptec 4944 SCSI adapter",
338 ahc_aha494X_setup
339 },
340 /* aic7880 based controllers */
341 {
342 ID_AHA_2940U & ID_DEV_VENDOR_MASK,
343 ID_DEV_VENDOR_MASK,
344 "Adaptec 2940 Ultra SCSI adapter",
345 ahc_aic7880_setup
346 },
347 {
348 ID_AHA_3940U & ID_DEV_VENDOR_MASK,
349 ID_DEV_VENDOR_MASK,
350 "Adaptec 3940 Ultra SCSI adapter",
351 ahc_aha394XU_setup
352 },
353 {
354 ID_AHA_2944U & ID_DEV_VENDOR_MASK,
355 ID_DEV_VENDOR_MASK,
356 "Adaptec 2944 Ultra SCSI adapter",
357 ahc_aic7880_setup
358 },
359 {
360 ID_AHA_3944U & ID_DEV_VENDOR_MASK,
361 ID_DEV_VENDOR_MASK,
362 "Adaptec 3944 Ultra SCSI adapter",
363 ahc_aha394XU_setup
364 },
365 {
366 ID_AHA_398XU & ID_DEV_VENDOR_MASK,
367 ID_DEV_VENDOR_MASK,
368 "Adaptec 398X Ultra SCSI RAID adapter",
369 ahc_aha398XU_setup
370 },
371 {
372 /*
373 * XXX Don't know the slot numbers
374 * so we can't identify channels
375 */
376 ID_AHA_4944U & ID_DEV_VENDOR_MASK,
377 ID_DEV_VENDOR_MASK,
378 "Adaptec 4944 Ultra SCSI adapter",
379 ahc_aic7880_setup
380 },
381 {
382 ID_AHA_2930U & ID_DEV_VENDOR_MASK,
383 ID_DEV_VENDOR_MASK,
384 "Adaptec 2930 Ultra SCSI adapter",
385 ahc_aic7880_setup
386 },
387 {
388 ID_AHA_2940U_PRO & ID_DEV_VENDOR_MASK,
389 ID_DEV_VENDOR_MASK,
390 "Adaptec 2940 Pro Ultra SCSI adapter",
391 ahc_aha2940Pro_setup
392 },
393 {
394 ID_AHA_2940U_CN & ID_DEV_VENDOR_MASK,
395 ID_DEV_VENDOR_MASK,
396 "Adaptec 2940/CN Ultra SCSI adapter",
397 ahc_aic7880_setup
398 },
399 /* Ignore all SISL (AAC on MB) based controllers. */
400 {
401 ID_9005_SISL_ID,
402 ID_9005_SISL_MASK,
403 NULL,
404 NULL
405 },
406 /* aic7890 based controllers */
407 {
408 ID_AHA_2930U2,
409 ID_ALL_MASK,
410 "Adaptec 2930 Ultra2 SCSI adapter",
411 ahc_aic7890_setup
412 },
413 {
414 ID_AHA_2940U2B,
415 ID_ALL_MASK,
416 "Adaptec 2940B Ultra2 SCSI adapter",
417 ahc_aic7890_setup
418 },
419 {
420 ID_AHA_2940U2_OEM,
421 ID_ALL_MASK,
422 "Adaptec 2940 Ultra2 SCSI adapter (OEM)",
423 ahc_aic7890_setup
424 },
425 {
426 ID_AHA_2940U2,
427 ID_ALL_MASK,
428 "Adaptec 2940 Ultra2 SCSI adapter",
429 ahc_aic7890_setup
430 },
431 {
432 ID_AHA_2950U2B,
433 ID_ALL_MASK,
434 "Adaptec 2950 Ultra2 SCSI adapter",
435 ahc_aic7890_setup
436 },
437 {
438 ID_AIC7890_ARO,
439 ID_ALL_MASK,
440 "Adaptec aic7890/91 Ultra2 SCSI adapter (ARO)",
441 ahc_aic7890_setup
442 },
443 {
444 ID_AAA_131U2,
445 ID_ALL_MASK,
446 "Adaptec AAA-131 Ultra2 RAID adapter",
447 ahc_aic7890_setup
448 },
449 /* aic7892 based controllers */
450 {
451 ID_AHA_29160,
452 ID_ALL_MASK,
453 "Adaptec 29160 Ultra160 SCSI adapter",
454 ahc_aic7892_setup
455 },
456 {
457 ID_AHA_29160_CPQ,
458 ID_ALL_MASK,
459 "Adaptec (Compaq OEM) 29160 Ultra160 SCSI adapter",
460 ahc_aic7892_setup
461 },
462 {
463 ID_AHA_29160N,
464 ID_ALL_MASK,
465 "Adaptec 29160N Ultra160 SCSI adapter",
466 ahc_aic7892_setup
467 },
468 {
469 ID_AHA_29160C,
470 ID_ALL_MASK,
471 "Adaptec 29160C Ultra160 SCSI adapter",
472 ahc_aha29160C_setup
473 },
474 {
475 ID_AHA_29160B,
476 ID_ALL_MASK,
477 "Adaptec 29160B Ultra160 SCSI adapter",
478 ahc_aic7892_setup
479 },
480 {
481 ID_AHA_19160B,
482 ID_ALL_MASK,
483 "Adaptec 19160B Ultra160 SCSI adapter",
484 ahc_aic7892_setup
485 },
486 {
487 ID_AIC7892_ARO,
488 ID_ALL_MASK,
489 "Adaptec aic7892 Ultra160 SCSI adapter (ARO)",
490 ahc_aic7892_setup
491 },
492 {
493 ID_AHA_2915LP,
494 ID_ALL_MASK,
495 "Adaptec 2915LP Ultra160 SCSI adapter",
496 ahc_aic7892_setup
497 },
498 /* aic7895 based controllers */
499 {
500 ID_AHA_2940U_DUAL,
501 ID_ALL_MASK,
502 "Adaptec 2940/DUAL Ultra SCSI adapter",
503 ahc_aic7895_setup
504 },
505 {
506 ID_AHA_3940AU,
507 ID_ALL_MASK,
508 "Adaptec 3940A Ultra SCSI adapter",
509 ahc_aic7895_setup
510 },
511 {
512 ID_AHA_3944AU,
513 ID_ALL_MASK,
514 "Adaptec 3944A Ultra SCSI adapter",
515 ahc_aic7895_setup
516 },
517 {
518 ID_AIC7895_ARO,
519 ID_AIC7895_ARO_MASK,
520 "Adaptec aic7895 Ultra SCSI adapter (ARO)",
521 ahc_aic7895_setup
522 },
523 /* aic7896/97 based controllers */
524 {
525 ID_AHA_3950U2B_0,
526 ID_ALL_MASK,
527 "Adaptec 3950B Ultra2 SCSI adapter",
528 ahc_aic7896_setup
529 },
530 {
531 ID_AHA_3950U2B_1,
532 ID_ALL_MASK,
533 "Adaptec 3950B Ultra2 SCSI adapter",
534 ahc_aic7896_setup
535 },
536 {
537 ID_AHA_3950U2D_0,
538 ID_ALL_MASK,
539 "Adaptec 3950D Ultra2 SCSI adapter",
540 ahc_aic7896_setup
541 },
542 {
543 ID_AHA_3950U2D_1,
544 ID_ALL_MASK,
545 "Adaptec 3950D Ultra2 SCSI adapter",
546 ahc_aic7896_setup
547 },
548 {
549 ID_AIC7896_ARO,
550 ID_ALL_MASK,
551 "Adaptec aic7896/97 Ultra2 SCSI adapter (ARO)",
552 ahc_aic7896_setup
553 },
554 /* aic7899 based controllers */
555 {
556 ID_AHA_3960D,
557 ID_ALL_MASK,
558 "Adaptec 3960D Ultra160 SCSI adapter",
559 ahc_aic7899_setup
560 },
561 {
562 ID_AHA_3960D_CPQ,
563 ID_ALL_MASK,
564 "Adaptec (Compaq OEM) 3960D Ultra160 SCSI adapter",
565 ahc_aic7899_setup
566 },
567 {
568 ID_AIC7899_ARO,
569 ID_ALL_MASK,
570 "Adaptec aic7899 Ultra160 SCSI adapter (ARO)",
571 ahc_aic7899_setup
572 },
573 /* Generic chip probes for devices we don't know 'exactly' */
574 {
575 ID_AIC7850 & ID_DEV_VENDOR_MASK,
576 ID_DEV_VENDOR_MASK,
577 "Adaptec aic7850 SCSI adapter",
578 ahc_aic785X_setup
579 },
580 {
581 ID_AIC7855 & ID_DEV_VENDOR_MASK,
582 ID_DEV_VENDOR_MASK,
583 "Adaptec aic7855 SCSI adapter",
584 ahc_aic785X_setup
585 },
586 {
587 ID_AIC7859 & ID_DEV_VENDOR_MASK,
588 ID_DEV_VENDOR_MASK,
589 "Adaptec aic7859 SCSI adapter",
590 ahc_aic7860_setup
591 },
592 {
593 ID_AIC7860 & ID_DEV_VENDOR_MASK,
594 ID_DEV_VENDOR_MASK,
595 "Adaptec aic7860 Ultra SCSI adapter",
596 ahc_aic7860_setup
597 },
598 {
599 ID_AIC7870 & ID_DEV_VENDOR_MASK,
600 ID_DEV_VENDOR_MASK,
601 "Adaptec aic7870 SCSI adapter",
602 ahc_aic7870_setup
603 },
604 {
605 ID_AIC7880 & ID_DEV_VENDOR_MASK,
606 ID_DEV_VENDOR_MASK,
607 "Adaptec aic7880 Ultra SCSI adapter",
608 ahc_aic7880_setup
609 },
610 {
611 ID_AIC7890 & ID_9005_GENERIC_MASK,
612 ID_9005_GENERIC_MASK,
613 "Adaptec aic7890/91 Ultra2 SCSI adapter",
614 ahc_aic7890_setup
615 },
616 {
617 ID_AIC7892 & ID_9005_GENERIC_MASK,
618 ID_9005_GENERIC_MASK,
619 "Adaptec aic7892 Ultra160 SCSI adapter",
620 ahc_aic7892_setup
621 },
622 {
623 ID_AIC7895 & ID_DEV_VENDOR_MASK,
624 ID_DEV_VENDOR_MASK,
625 "Adaptec aic7895 Ultra SCSI adapter",
626 ahc_aic7895_setup
627 },
628 {
629 ID_AIC7896 & ID_9005_GENERIC_MASK,
630 ID_9005_GENERIC_MASK,
631 "Adaptec aic7896/97 Ultra2 SCSI adapter",
632 ahc_aic7896_setup
633 },
634 {
635 ID_AIC7899 & ID_9005_GENERIC_MASK,
636 ID_9005_GENERIC_MASK,
637 "Adaptec aic7899 Ultra160 SCSI adapter",
638 ahc_aic7899_setup
639 },
640 {
641 ID_AIC7810 & ID_DEV_VENDOR_MASK,
642 ID_DEV_VENDOR_MASK,
643 "Adaptec aic7810 RAID memory controller",
644 ahc_raid_setup
645 },
646 {
647 ID_AIC7815 & ID_DEV_VENDOR_MASK,
648 ID_DEV_VENDOR_MASK,
649 "Adaptec aic7815 RAID memory controller",
650 ahc_raid_setup
651 }
652 };
653
654 const u_int ahc_num_pci_devs = NUM_ELEMENTS(ahc_pci_ident_table);
655
656 #define AHC_394X_SLOT_CHANNEL_A 4
657 #define AHC_394X_SLOT_CHANNEL_B 5
658
659 #define AHC_398X_SLOT_CHANNEL_A 4
660 #define AHC_398X_SLOT_CHANNEL_B 8
661 #define AHC_398X_SLOT_CHANNEL_C 12
662
663 #define AHC_494X_SLOT_CHANNEL_A 4
664 #define AHC_494X_SLOT_CHANNEL_B 5
665 #define AHC_494X_SLOT_CHANNEL_C 6
666 #define AHC_494X_SLOT_CHANNEL_D 7
667
668 #define DEVCONFIG 0x40
669 #define PCIERRGENDIS 0x80000000ul
670 #define SCBSIZE32 0x00010000ul /* aic789X only */
671 #define REXTVALID 0x00001000ul /* ultra cards only */
672 #define MPORTMODE 0x00000400ul /* aic7870+ only */
673 #define RAMPSM 0x00000200ul /* aic7870+ only */
674 #define VOLSENSE 0x00000100ul
675 #define PCI64BIT 0x00000080ul /* 64Bit PCI bus (Ultra2 Only)*/
676 #define SCBRAMSEL 0x00000080ul
677 #define MRDCEN 0x00000040ul
678 #define EXTSCBTIME 0x00000020ul /* aic7870 only */
679 #define EXTSCBPEN 0x00000010ul /* aic7870 only */
680 #define BERREN 0x00000008ul
681 #define DACEN 0x00000004ul
682 #define STPWLEVEL 0x00000002ul
683 #define DIFACTNEGEN 0x00000001ul /* aic7870 only */
684
685 #define CSIZE_LATTIME 0x0c
686 #define CACHESIZE 0x0000003ful /* only 5 bits */
687 #define LATTIME 0x0000ff00ul
688
689 /* PCI STATUS definitions */
690 #define DPE 0x80
691 #define SSE 0x40
692 #define RMA 0x20
693 #define RTA 0x10
694 #define STA 0x08
695 #define DPR 0x01
696
697 static int ahc_9005_subdevinfo_valid(uint16_t vendor, uint16_t device,
698 uint16_t subvendor, uint16_t subdevice);
699 static int ahc_ext_scbram_present(struct ahc_softc *ahc);
700 static void ahc_scbram_config(struct ahc_softc *ahc, int enable,
701 int pcheck, int fast, int large);
702 static void ahc_probe_ext_scbram(struct ahc_softc *ahc);
703
704 int ahc_pci_probe __P((struct device *, struct cfdata *, void *));
705 void ahc_pci_attach __P((struct device *, struct device *, void *));
706
707
708 CFATTACH_DECL(ahc_pci, sizeof(struct ahc_softc),
709 ahc_pci_probe, ahc_pci_attach, NULL, NULL);
710
711 const struct ahc_pci_identity *
712 ahc_find_pci_device(id, subid, func)
713 pcireg_t id, subid;
714 u_int func;
715 {
716 u_int64_t full_id;
717 const struct ahc_pci_identity *entry;
718 u_int i;
719
720 full_id = ahc_compose_id(PCI_PRODUCT(id), PCI_VENDOR(id),
721 PCI_PRODUCT(subid), PCI_VENDOR(subid));
722
723 /*
724 * If the second function is not hooked up, ignore it.
725 * Unfortunately, not all MB vendors implement the
726 * subdevice ID as per the Adaptec spec, so do our best
727 * to sanity check it prior to accepting the subdevice
728 * ID as valid.
729 */
730 if (func > 0
731 && ahc_9005_subdevinfo_valid(PCI_VENDOR(id), PCI_PRODUCT(id),
732 PCI_VENDOR(subid), PCI_PRODUCT(subid))
733 && SUBID_9005_MFUNCENB(PCI_PRODUCT(subid)) == 0)
734 return (NULL);
735
736 for (i = 0; i < ahc_num_pci_devs; i++) {
737 entry = &ahc_pci_ident_table[i];
738 if (entry->full_id == (full_id & entry->id_mask))
739 return (entry);
740 }
741 return (NULL);
742 }
743
744 int
745 ahc_pci_probe(parent, match, aux)
746 struct device *parent;
747 struct cfdata *match;
748 void *aux;
749 {
750 struct pci_attach_args *pa = aux;
751 const struct ahc_pci_identity *entry;
752 pcireg_t subid;
753
754 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
755 entry = ahc_find_pci_device(pa->pa_id, subid, pa->pa_function);
756 return (entry != NULL && entry->setup != NULL) ? 1 : 0;
757 }
758
759 void
760 ahc_pci_attach(parent, self, aux)
761 struct device *parent, *self;
762 void *aux;
763 {
764 struct pci_attach_args *pa = aux;
765 const struct ahc_pci_identity *entry;
766 struct ahc_softc *ahc = (void *)self;
767 pcireg_t command;
768 u_int our_id = 0;
769 u_int sxfrctl1;
770 u_int scsiseq;
771 u_int sblkctl;
772 uint8_t dscommand0;
773 uint32_t devconfig;
774 int error;
775 pcireg_t subid;
776 int ioh_valid;
777 bus_space_tag_t st, iot;
778 bus_space_handle_t sh, ioh;
779 #ifdef AHC_ALLOW_MEMIO
780 int memh_valid;
781 bus_space_tag_t memt;
782 bus_space_handle_t memh;
783 pcireg_t memtype;
784 #endif
785 pci_intr_handle_t ih;
786 const char *intrstr;
787 struct ahc_pci_busdata *bd;
788
789 ahc_set_name(ahc, ahc->sc_dev.dv_xname);
790 ahc->parent_dmat = pa->pa_dmat;
791
792 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
793 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
794 entry = ahc_find_pci_device(pa->pa_id, subid, pa->pa_function);
795 if (entry == NULL)
796 return;
797 printf(": %s\n", entry->name);
798
799 /* Keep information about the PCI bus */
800 bd = malloc(sizeof (struct ahc_pci_busdata), M_DEVBUF, M_NOWAIT);
801 if (bd == NULL) {
802 printf("%s: unable to allocate bus-specific data\n", ahc_name(ahc));
803 return;
804 }
805 memset(bd, 0, sizeof(struct ahc_pci_busdata));
806
807 bd->pc = pa->pa_pc;
808 bd->tag = pa->pa_tag;
809 bd->func = pa->pa_function;
810 bd->dev = pa->pa_device;
811 bd->class = pa->pa_class;
812
813 ahc->bd = bd;
814
815 ahc->description = entry->name;
816
817 error = entry->setup(ahc);
818 if (error != 0)
819 return;
820
821 ioh_valid = 0;
822
823 #ifdef AHC_ALLOW_MEMIO
824 memh_valid = 0;
825 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, AHC_PCI_MEMADDR);
826 switch (memtype) {
827 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
828 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
829 memh_valid = (pci_mapreg_map(pa, AHC_PCI_MEMADDR,
830 memtype, 0, &memt, &memh, NULL, NULL) == 0);
831 break;
832 default:
833 memh_valid = 0;
834 }
835 #endif
836 ioh_valid = (pci_mapreg_map(pa, AHC_PCI_IOADDR,
837 PCI_MAPREG_TYPE_IO, 0, &iot,
838 &ioh, NULL, NULL) == 0);
839 #if 0
840 printf("%s: mem mapping: memt 0x%x, memh 0x%x, iot 0x%x, ioh 0x%lx\n",
841 ahc_name(ahc), memt, (u_int32_t)memh, (u_int32_t)iot, ioh);
842 #endif
843
844 if (ioh_valid) {
845 st = iot;
846 sh = ioh;
847 #ifdef AHC_ALLOW_MEMIO
848 } else if (memh_valid) {
849 st = memt;
850 sh = memh;
851 #endif
852 } else {
853 printf(": unable to map registers\n");
854 return;
855 }
856 ahc->tag = st;
857 ahc->bsh = sh;
858
859 ahc->chip |= AHC_PCI;
860 /*
861 * Before we continue probing the card, ensure that
862 * its interrupts are *disabled*. We don't want
863 * a misstep to hang the machine in an interrupt
864 * storm.
865 */
866 ahc_intr_enable(ahc, FALSE);
867
868 /*
869 * XXX somehow reading this once fails on some sparc64 systems.
870 * This may be a problem in the sparc64 PCI code. Doing it
871 * twice works around it.
872 */
873 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
874 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
875
876 /*
877 * If we need to support high memory, enable dual
878 * address cycles. This bit must be set to enable
879 * high address bit generation even if we are on a
880 * 64bit bus (PCI64BIT set in devconfig).
881 */
882 if ((ahc->flags & AHC_39BIT_ADDRESSING) != 0) {
883
884 if (1/*bootverbose*/)
885 printf("%s: Enabling 39Bit Addressing\n",
886 ahc_name(ahc));
887 devconfig |= DACEN;
888 }
889
890 /* Ensure that pci error generation, a test feature, is disabled. */
891 devconfig |= PCIERRGENDIS;
892
893 pci_conf_write(pa->pa_pc, pa->pa_tag, DEVCONFIG, devconfig);
894
895 /* Ensure busmastering is enabled */
896 command |= PCI_COMMAND_MASTER_ENABLE;;
897 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
898
899 /*
900 * Disable PCI parity error reporting. Users typically
901 * do this to work around broken PCI chipsets that get
902 * the parity timing wrong and thus generate lots of spurious
903 * errors.
904 */
905 if ((ahc->flags & AHC_DISABLE_PCI_PERR) != 0)
906 command &= ~PCI_COMMAND_PARITY_ENABLE;
907 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
908
909 /* On all PCI adapters, we allow SCB paging */
910 ahc->flags |= AHC_PAGESCBS;
911 error = ahc_softc_init(ahc);
912 if (error != 0)
913 goto error_out;
914
915 ahc->bus_intr = ahc_pci_intr;
916
917 /* Remember how the card was setup in case there is no SEEPROM */
918 if ((ahc_inb(ahc, HCNTRL) & POWRDN) == 0) {
919 ahc_pause(ahc);
920 if ((ahc->features & AHC_ULTRA2) != 0)
921 our_id = ahc_inb(ahc, SCSIID_ULTRA2) & OID;
922 else
923 our_id = ahc_inb(ahc, SCSIID) & OID;
924 sxfrctl1 = ahc_inb(ahc, SXFRCTL1) & STPWEN;
925 scsiseq = ahc_inb(ahc, SCSISEQ);
926 } else {
927 sxfrctl1 = STPWEN;
928 our_id = 7;
929 scsiseq = 0;
930 }
931
932 error = ahc_reset(ahc);
933 if (error != 0)
934 goto error_out;
935
936 if ((ahc->features & AHC_DT) != 0) {
937 u_int sfunct;
938
939 /* Perform ALT-Mode Setup */
940 sfunct = ahc_inb(ahc, SFUNCT) & ~ALT_MODE;
941 ahc_outb(ahc, SFUNCT, sfunct | ALT_MODE);
942 ahc_outb(ahc, OPTIONMODE,
943 OPTIONMODE_DEFAULTS|AUTOACKEN|BUSFREEREV|EXPPHASEDIS);
944 ahc_outb(ahc, SFUNCT, sfunct);
945
946 /* Normal mode setup */
947 ahc_outb(ahc, CRCCONTROL1, CRCVALCHKEN|CRCENDCHKEN|CRCREQCHKEN
948 |TARGCRCENDEN);
949 }
950
951 if (pci_intr_map(pa, &ih)) {
952 printf("%s: couldn't map interrupt\n", ahc_name(ahc));
953 ahc_free(ahc);
954 return;
955 }
956 intrstr = pci_intr_string(pa->pa_pc, ih);
957 ahc->ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, ahc_intr, ahc);
958 if (ahc->ih == NULL) {
959 printf("%s: couldn't establish interrupt",
960 ahc->sc_dev.dv_xname);
961 if (intrstr != NULL)
962 printf(" at %s", intrstr);
963 printf("\n");
964 ahc_free(ahc);
965 return;
966 }
967 if (intrstr != NULL)
968 printf("%s: interrupting at %s\n", ahc_name(ahc), intrstr);
969
970 dscommand0 = ahc_inb(ahc, DSCOMMAND0);
971 dscommand0 |= MPARCKEN|CACHETHEN;
972 if ((ahc->features & AHC_ULTRA2) != 0) {
973
974 /*
975 * DPARCKEN doesn't work correctly on
976 * some MBs so don't use it.
977 */
978 dscommand0 &= ~DPARCKEN;
979 }
980
981 /*
982 * Handle chips that must have cache line
983 * streaming (dis/en)abled.
984 */
985 if ((ahc->bugs & AHC_CACHETHEN_DIS_BUG) != 0)
986 dscommand0 |= CACHETHEN;
987
988 if ((ahc->bugs & AHC_CACHETHEN_BUG) != 0)
989 dscommand0 &= ~CACHETHEN;
990
991 ahc_outb(ahc, DSCOMMAND0, dscommand0);
992
993 ahc->pci_cachesize =
994 pci_conf_read(pa->pa_pc, pa->pa_tag, CSIZE_LATTIME) & CACHESIZE;
995 ahc->pci_cachesize *= 4;
996
997 if ((ahc->bugs & AHC_PCI_2_1_RETRY_BUG) != 0
998 && ahc->pci_cachesize == 4) {
999 pci_conf_write(pa->pa_pc, pa->pa_tag, CSIZE_LATTIME, 0);
1000 ahc->pci_cachesize = 0;
1001 }
1002
1003 /*
1004 * We cannot perform ULTRA speeds without the presence
1005 * of the external precision resistor.
1006 */
1007 if ((ahc->features & AHC_ULTRA) != 0) {
1008 uint32_t devconfig;
1009
1010 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
1011 if ((devconfig & REXTVALID) == 0)
1012 ahc->features &= ~AHC_ULTRA;
1013 }
1014
1015 ahc->seep_config = malloc(sizeof(*ahc->seep_config),
1016 M_DEVBUF, M_NOWAIT);
1017 if (ahc->seep_config == NULL)
1018 goto error_out;
1019
1020 memset(ahc->seep_config, 0, sizeof(*ahc->seep_config));
1021
1022 /* See if we have a SEEPROM and perform auto-term */
1023 ahc_check_extport(ahc, &sxfrctl1);
1024
1025 /*
1026 * Take the LED out of diagnostic mode
1027 */
1028 sblkctl = ahc_inb(ahc, SBLKCTL);
1029 ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON)));
1030
1031 if ((ahc->features & AHC_ULTRA2) != 0) {
1032 ahc_outb(ahc, DFF_THRSH, RD_DFTHRSH_MAX|WR_DFTHRSH_MAX);
1033 } else {
1034 ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100);
1035 }
1036
1037 if (ahc->flags & AHC_USEDEFAULTS) {
1038 /*
1039 * PCI Adapter default setup
1040 * Should only be used if the adapter does not have
1041 * a SEEPROM.
1042 */
1043 /* See if someone else set us up already */
1044 if ((ahc->flags & AHC_NO_BIOS_INIT) == 0
1045 && scsiseq != 0) {
1046 printf("%s: Using left over BIOS settings\n",
1047 ahc_name(ahc));
1048 ahc->flags &= ~AHC_USEDEFAULTS;
1049 ahc->flags |= AHC_BIOS_ENABLED;
1050 } else {
1051 /*
1052 * Assume only one connector and always turn
1053 * on termination.
1054 */
1055 our_id = 0x07;
1056 sxfrctl1 = STPWEN;
1057 }
1058 ahc_outb(ahc, SCSICONF, our_id|ENSPCHK|RESET_SCSI);
1059
1060 ahc->our_id = our_id;
1061 }
1062
1063 /*
1064 * Take a look to see if we have external SRAM.
1065 * We currently do not attempt to use SRAM that is
1066 * shared among multiple controllers.
1067 */
1068 ahc_probe_ext_scbram(ahc);
1069
1070 /*
1071 * Record our termination setting for the
1072 * generic initialization routine.
1073 */
1074 if ((sxfrctl1 & STPWEN) != 0)
1075 ahc->flags |= AHC_TERM_ENB_A;
1076
1077 if (ahc_init(ahc))
1078 goto error_out;
1079
1080 ahc_attach(ahc);
1081
1082 return;
1083
1084 error_out:
1085 ahc_free(ahc);
1086 return;
1087 }
1088
1089 static int
1090 ahc_9005_subdevinfo_valid(uint16_t device, uint16_t vendor,
1091 uint16_t subdevice, uint16_t subvendor)
1092 {
1093 int result;
1094
1095 /* Default to invalid. */
1096 result = 0;
1097 if (vendor == 0x9005
1098 && subvendor == 0x9005
1099 && subdevice != device
1100 && SUBID_9005_TYPE_KNOWN(subdevice) != 0) {
1101
1102 switch (SUBID_9005_TYPE(subdevice)) {
1103 case SUBID_9005_TYPE_MB:
1104 break;
1105 case SUBID_9005_TYPE_CARD:
1106 case SUBID_9005_TYPE_LCCARD:
1107 /*
1108 * Currently only trust Adaptec cards to
1109 * get the sub device info correct.
1110 */
1111 if (DEVID_9005_TYPE(device) == DEVID_9005_TYPE_HBA)
1112 result = 1;
1113 break;
1114 case SUBID_9005_TYPE_RAID:
1115 break;
1116 default:
1117 break;
1118 }
1119 }
1120 return (result);
1121 }
1122
1123
1124 /*
1125 * Test for the presense of external sram in an
1126 * "unshared" configuration.
1127 */
1128 static int
1129 ahc_ext_scbram_present(struct ahc_softc *ahc)
1130 {
1131 u_int chip;
1132 int ramps;
1133 int single_user;
1134 uint32_t devconfig;
1135
1136 chip = ahc->chip & AHC_CHIPID_MASK;
1137 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1138 single_user = (devconfig & MPORTMODE) != 0;
1139
1140 if ((ahc->features & AHC_ULTRA2) != 0)
1141 ramps = (ahc_inb(ahc, DSCOMMAND0) & RAMPS) != 0;
1142 else if (chip == AHC_AIC7895 || chip == AHC_AIC7895C)
1143 /*
1144 * External SCBRAM arbitration is flakey
1145 * on these chips. Unfortunately this means
1146 * we don't use the extra SCB ram space on the
1147 * 3940AUW.
1148 */
1149 ramps = 0;
1150 else if (chip >= AHC_AIC7870)
1151 ramps = (devconfig & RAMPSM) != 0;
1152 else
1153 ramps = 0;
1154
1155 if (ramps && single_user)
1156 return (1);
1157 return (0);
1158 }
1159
1160 /*
1161 * Enable external scbram.
1162 */
1163 static void
1164 ahc_scbram_config(struct ahc_softc *ahc, int enable, int pcheck,
1165 int fast, int large)
1166 {
1167 uint32_t devconfig;
1168
1169 if (ahc->features & AHC_MULTI_FUNC) {
1170 /*
1171 * Set the SCB Base addr (highest address bit)
1172 * depending on which channel we are.
1173 */
1174 ahc_outb(ahc, SCBBADDR, ahc->bd->func);
1175 }
1176
1177 ahc->flags &= ~AHC_LSCBS_ENABLED;
1178 if (large)
1179 ahc->flags |= AHC_LSCBS_ENABLED;
1180 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1181 if ((ahc->features & AHC_ULTRA2) != 0) {
1182 u_int dscommand0;
1183
1184 dscommand0 = ahc_inb(ahc, DSCOMMAND0);
1185 if (enable)
1186 dscommand0 &= ~INTSCBRAMSEL;
1187 else
1188 dscommand0 |= INTSCBRAMSEL;
1189 if (large)
1190 dscommand0 &= ~USCBSIZE32;
1191 else
1192 dscommand0 |= USCBSIZE32;
1193 ahc_outb(ahc, DSCOMMAND0, dscommand0);
1194 } else {
1195 if (fast)
1196 devconfig &= ~EXTSCBTIME;
1197 else
1198 devconfig |= EXTSCBTIME;
1199 if (enable)
1200 devconfig &= ~SCBRAMSEL;
1201 else
1202 devconfig |= SCBRAMSEL;
1203 if (large)
1204 devconfig &= ~SCBSIZE32;
1205 else
1206 devconfig |= SCBSIZE32;
1207 }
1208 if (pcheck)
1209 devconfig |= EXTSCBPEN;
1210 else
1211 devconfig &= ~EXTSCBPEN;
1212
1213 pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig);
1214 }
1215
1216 /*
1217 * Take a look to see if we have external SRAM.
1218 * We currently do not attempt to use SRAM that is
1219 * shared among multiple controllers.
1220 */
1221 static void
1222 ahc_probe_ext_scbram(struct ahc_softc *ahc)
1223 {
1224 int num_scbs;
1225 int test_num_scbs;
1226 int enable;
1227 int pcheck;
1228 int fast;
1229 int large;
1230
1231 enable = FALSE;
1232 pcheck = FALSE;
1233 fast = FALSE;
1234 large = FALSE;
1235 num_scbs = 0;
1236
1237 if (ahc_ext_scbram_present(ahc) == 0)
1238 goto done;
1239
1240 /*
1241 * Probe for the best parameters to use.
1242 */
1243 ahc_scbram_config(ahc, /*enable*/TRUE, pcheck, fast, large);
1244 num_scbs = ahc_probe_scbs(ahc);
1245 if (num_scbs == 0) {
1246 /* The SRAM wasn't really present. */
1247 goto done;
1248 }
1249 enable = TRUE;
1250
1251 /*
1252 * Clear any outstanding parity error
1253 * and ensure that parity error reporting
1254 * is enabled.
1255 */
1256 ahc_outb(ahc, SEQCTL, 0);
1257 ahc_outb(ahc, CLRINT, CLRPARERR);
1258 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1259
1260 /* Now see if we can do parity */
1261 ahc_scbram_config(ahc, enable, /*pcheck*/TRUE, fast, large);
1262 num_scbs = ahc_probe_scbs(ahc);
1263 if ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
1264 || (ahc_inb(ahc, ERROR) & MPARERR) == 0)
1265 pcheck = TRUE;
1266
1267 /* Clear any resulting parity error */
1268 ahc_outb(ahc, CLRINT, CLRPARERR);
1269 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1270
1271 /* Now see if we can do fast timing */
1272 ahc_scbram_config(ahc, enable, pcheck, /*fast*/TRUE, large);
1273 test_num_scbs = ahc_probe_scbs(ahc);
1274 if (test_num_scbs == num_scbs
1275 && ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
1276 || (ahc_inb(ahc, ERROR) & MPARERR) == 0))
1277 fast = TRUE;
1278
1279 /*
1280 * See if we can use large SCBs and still maintain
1281 * the same overall count of SCBs.
1282 */
1283 if ((ahc->features & AHC_LARGE_SCBS) != 0) {
1284 ahc_scbram_config(ahc, enable, pcheck, fast, /*large*/TRUE);
1285 test_num_scbs = ahc_probe_scbs(ahc);
1286 if (test_num_scbs >= num_scbs) {
1287 large = TRUE;
1288 num_scbs = test_num_scbs;
1289 if (num_scbs >= 64) {
1290 /*
1291 * We have enough space to move the
1292 * "busy targets table" into SCB space
1293 * and make it qualify all the way to the
1294 * lun level.
1295 */
1296 ahc->flags |= AHC_SCB_BTT;
1297 }
1298 }
1299 }
1300 done:
1301 /*
1302 * Disable parity error reporting until we
1303 * can load instruction ram.
1304 */
1305 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
1306 /* Clear any latched parity error */
1307 ahc_outb(ahc, CLRINT, CLRPARERR);
1308 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1309 if (1/*bootverbose*/ && enable) {
1310 printf("%s: External SRAM, %s access%s, %dbytes/SCB\n",
1311 ahc_name(ahc), fast ? "fast" : "slow",
1312 pcheck ? ", parity checking enabled" : "",
1313 large ? 64 : 32);
1314 }
1315 ahc_scbram_config(ahc, enable, pcheck, fast, large);
1316 }
1317
1318 #if 0
1319 /*
1320 * Perform some simple tests that should catch situations where
1321 * our registers are invalidly mapped.
1322 */
1323 int
1324 ahc_pci_test_register_access(struct ahc_softc *ahc)
1325 {
1326 int error;
1327 u_int status1;
1328 uint32_t cmd;
1329 uint8_t hcntrl;
1330
1331 error = EIO;
1332
1333 /*
1334 * Enable PCI error interrupt status, but suppress NMIs
1335 * generated by SERR raised due to target aborts.
1336 */
1337 cmd = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND);
1338 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND,
1339 cmd & ~PCIM_CMD_SERRESPEN);
1340
1341 /*
1342 * First a simple test to see if any
1343 * registers can be read. Reading
1344 * HCNTRL has no side effects and has
1345 * at least one bit that is guaranteed to
1346 * be zero so it is a good register to
1347 * use for this test.
1348 */
1349 hcntrl = ahc_inb(ahc, HCNTRL);
1350 if (hcntrl == 0xFF)
1351 goto fail;
1352
1353 /*
1354 * Next create a situation where write combining
1355 * or read prefetching could be initiated by the
1356 * CPU or host bridge. Our device does not support
1357 * either, so look for data corruption and/or flagged
1358 * PCI errors.
1359 */
1360 ahc_outb(ahc, HCNTRL, hcntrl|PAUSE);
1361 while (ahc_is_paused(ahc) == 0)
1362 ;
1363 ahc_outb(ahc, SEQCTL, PERRORDIS);
1364 ahc_outb(ahc, SCBPTR, 0);
1365 ahc_outl(ahc, SCB_BASE, 0x5aa555aa);
1366 if (ahc_inl(ahc, SCB_BASE) != 0x5aa555aa)
1367 goto fail;
1368
1369 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1370 PCI_COMMAND_STATUS_REG + 1);
1371 if ((status1 & STA) != 0)
1372 goto fail;
1373
1374 error = 0;
1375
1376 fail:
1377 /* Silently clear any latched errors. */
1378 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG + 1);
1379 ahc_pci_write_config(ahc->dev_softc, PCIR_STATUS + 1,
1380 status1, /*bytes*/1);
1381 ahc_outb(ahc, CLRINT, CLRPARERR);
1382 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
1383 ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, cmd, /*bytes*/2);
1384 return (error);
1385 }
1386 #endif
1387
1388 void
1389 ahc_pci_intr(struct ahc_softc *ahc)
1390 {
1391 u_int error;
1392 u_int status1;
1393
1394 error = ahc_inb(ahc, ERROR);
1395 if ((error & PCIERRSTAT) == 0)
1396 return;
1397
1398 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG);
1399
1400 printf("%s: PCI error Interrupt at seqaddr = 0x%x\n",
1401 ahc_name(ahc),
1402 ahc_inb(ahc, SEQADDR0) | (ahc_inb(ahc, SEQADDR1) << 8));
1403
1404 if (status1 & DPE) {
1405 printf("%s: Data Parity Error Detected during address "
1406 "or write data phase\n", ahc_name(ahc));
1407 }
1408 if (status1 & SSE) {
1409 printf("%s: Signal System Error Detected\n", ahc_name(ahc));
1410 }
1411 if (status1 & RMA) {
1412 printf("%s: Received a Master Abort\n", ahc_name(ahc));
1413 }
1414 if (status1 & RTA) {
1415 printf("%s: Received a Target Abort\n", ahc_name(ahc));
1416 }
1417 if (status1 & STA) {
1418 printf("%s: Signaled a Target Abort\n", ahc_name(ahc));
1419 }
1420 if (status1 & DPR) {
1421 printf("%s: Data Parity Error has been reported via PERR#\n",
1422 ahc_name(ahc));
1423 }
1424
1425 /* Clear latched errors. */
1426 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG, status1);
1427
1428 if ((status1 & (DPE|SSE|RMA|RTA|STA|DPR)) == 0) {
1429 printf("%s: Latched PCIERR interrupt with "
1430 "no status bits set\n", ahc_name(ahc));
1431 } else {
1432 ahc_outb(ahc, CLRINT, CLRPARERR);
1433 }
1434
1435 ahc_unpause(ahc);
1436 }
1437
1438 static int
1439 ahc_aic785X_setup(struct ahc_softc *ahc)
1440 {
1441 uint8_t rev;
1442
1443 ahc->channel = 'A';
1444 ahc->chip = AHC_AIC7850;
1445 ahc->features = AHC_AIC7850_FE;
1446 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1447 rev = PCI_REVISION(ahc->bd->class);
1448 if (rev >= 1)
1449 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1450 return (0);
1451 }
1452
1453 static int
1454 ahc_aic7860_setup(struct ahc_softc *ahc)
1455 {
1456 uint8_t rev;
1457
1458 ahc->channel = 'A';
1459 ahc->chip = AHC_AIC7860;
1460 ahc->features = AHC_AIC7860_FE;
1461 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1462 rev = PCI_REVISION(ahc->bd->class);
1463 if (rev >= 1)
1464 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1465 return (0);
1466 }
1467
1468 static int
1469 ahc_apa1480_setup(struct ahc_softc *ahc)
1470 {
1471 int error;
1472
1473 error = ahc_aic7860_setup(ahc);
1474 if (error != 0)
1475 return (error);
1476 ahc->features |= AHC_REMOVABLE;
1477 return (0);
1478 }
1479
1480 static int
1481 ahc_aic7870_setup(struct ahc_softc *ahc)
1482 {
1483
1484 ahc->channel = 'A';
1485 ahc->chip = AHC_AIC7870;
1486 ahc->features = AHC_AIC7870_FE;
1487 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1488 return (0);
1489 }
1490
1491 static int
1492 ahc_aha394X_setup(struct ahc_softc *ahc)
1493 {
1494 int error;
1495
1496 error = ahc_aic7870_setup(ahc);
1497 if (error == 0)
1498 error = ahc_aha394XX_setup(ahc);
1499 return (error);
1500 }
1501
1502 static int
1503 ahc_aha398X_setup(struct ahc_softc *ahc)
1504 {
1505 int error;
1506
1507 error = ahc_aic7870_setup(ahc);
1508 if (error == 0)
1509 error = ahc_aha398XX_setup(ahc);
1510 return (error);
1511 }
1512
1513 static int
1514 ahc_aha494X_setup(struct ahc_softc *ahc)
1515 {
1516 int error;
1517
1518 error = ahc_aic7870_setup(ahc);
1519 if (error == 0)
1520 error = ahc_aha494XX_setup(ahc);
1521 return (error);
1522 }
1523
1524 static int
1525 ahc_aic7880_setup(struct ahc_softc *ahc)
1526 {
1527 uint8_t rev;
1528
1529 ahc->channel = 'A';
1530 ahc->chip = AHC_AIC7880;
1531 ahc->features = AHC_AIC7880_FE;
1532 ahc->bugs |= AHC_TMODE_WIDEODD_BUG;
1533 rev = PCI_REVISION(ahc->bd->class);
1534 if (rev >= 1) {
1535 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1536 } else {
1537 ahc->bugs |= AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1538 }
1539 return (0);
1540 }
1541
1542 static int
1543 ahc_aha2940Pro_setup(struct ahc_softc *ahc)
1544 {
1545
1546 ahc->flags |= AHC_INT50_SPEEDFLEX;
1547 return (ahc_aic7880_setup(ahc));
1548 }
1549
1550 static int
1551 ahc_aha394XU_setup(struct ahc_softc *ahc)
1552 {
1553 int error;
1554
1555 error = ahc_aic7880_setup(ahc);
1556 if (error == 0)
1557 error = ahc_aha394XX_setup(ahc);
1558 return (error);
1559 }
1560
1561 static int
1562 ahc_aha398XU_setup(struct ahc_softc *ahc)
1563 {
1564 int error;
1565
1566 error = ahc_aic7880_setup(ahc);
1567 if (error == 0)
1568 error = ahc_aha398XX_setup(ahc);
1569 return (error);
1570 }
1571
1572 static int
1573 ahc_aic7890_setup(struct ahc_softc *ahc)
1574 {
1575 uint8_t rev;
1576
1577 ahc->channel = 'A';
1578 ahc->chip = AHC_AIC7890;
1579 ahc->features = AHC_AIC7890_FE;
1580 ahc->flags |= AHC_NEWEEPROM_FMT;
1581 rev = PCI_REVISION(ahc->bd->class);
1582 if (rev == 0)
1583 ahc->bugs |= AHC_AUTOFLUSH_BUG|AHC_CACHETHEN_BUG;
1584 return (0);
1585 }
1586
1587 static int
1588 ahc_aic7892_setup(struct ahc_softc *ahc)
1589 {
1590
1591 ahc->channel = 'A';
1592 ahc->chip = AHC_AIC7892;
1593 ahc->features = AHC_AIC7892_FE;
1594 ahc->flags |= AHC_NEWEEPROM_FMT;
1595 ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
1596 return (0);
1597 }
1598
1599 static int
1600 ahc_aic7895_setup(struct ahc_softc *ahc)
1601 {
1602 uint8_t rev;
1603
1604 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1605 /*
1606 * The 'C' revision of the aic7895 has a few additional features.
1607 */
1608 rev = PCI_REVISION(ahc->bd->class);
1609 if (rev >= 4) {
1610 ahc->chip = AHC_AIC7895C;
1611 ahc->features = AHC_AIC7895C_FE;
1612 } else {
1613 u_int command;
1614
1615 ahc->chip = AHC_AIC7895;
1616 ahc->features = AHC_AIC7895_FE;
1617
1618 /*
1619 * The BIOS disables the use of MWI transactions
1620 * since it does not have the MWI bug work around
1621 * we have. Disabling MWI reduces performance, so
1622 * turn it on again.
1623 */
1624 command = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG);
1625 command |= PCI_COMMAND_INVALIDATE_ENABLE;
1626 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG, command);
1627 ahc->bugs |= AHC_PCI_MWI_BUG;
1628 }
1629 /*
1630 * XXX Does CACHETHEN really not work??? What about PCI retry?
1631 * on C level chips. Need to test, but for now, play it safe.
1632 */
1633 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_PCI_2_1_RETRY_BUG
1634 | AHC_CACHETHEN_BUG;
1635
1636 #if 0
1637 uint32_t devconfig;
1638
1639 /*
1640 * Cachesize must also be zero due to stray DAC
1641 * problem when sitting behind some bridges.
1642 */
1643 pci_conf_write(ahc->bd->pc, ahc->bd->tag, CSIZE_LATTIME, 0);
1644 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1645 devconfig |= MRDCEN;
1646 pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig);
1647 #endif
1648 ahc->flags |= AHC_NEWEEPROM_FMT;
1649 return (0);
1650 }
1651
1652 static int
1653 ahc_aic7896_setup(struct ahc_softc *ahc)
1654 {
1655 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1656 ahc->chip = AHC_AIC7896;
1657 ahc->features = AHC_AIC7896_FE;
1658 ahc->flags |= AHC_NEWEEPROM_FMT;
1659 ahc->bugs |= AHC_CACHETHEN_DIS_BUG;
1660 return (0);
1661 }
1662
1663 static int
1664 ahc_aic7899_setup(struct ahc_softc *ahc)
1665 {
1666 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1667 ahc->chip = AHC_AIC7899;
1668 ahc->features = AHC_AIC7899_FE;
1669 ahc->flags |= AHC_NEWEEPROM_FMT;
1670 ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
1671 return (0);
1672 }
1673
1674 static int
1675 ahc_aha29160C_setup(struct ahc_softc *ahc)
1676 {
1677 int error;
1678
1679 error = ahc_aic7899_setup(ahc);
1680 if (error != 0)
1681 return (error);
1682 ahc->features |= AHC_REMOVABLE;
1683 return (0);
1684 }
1685
1686 static int
1687 ahc_raid_setup(struct ahc_softc *ahc)
1688 {
1689 printf("RAID functionality unsupported\n");
1690 return (ENXIO);
1691 }
1692
1693 static int
1694 ahc_aha394XX_setup(struct ahc_softc *ahc)
1695 {
1696
1697 switch (ahc->bd->dev) {
1698 case AHC_394X_SLOT_CHANNEL_A:
1699 ahc->channel = 'A';
1700 break;
1701 case AHC_394X_SLOT_CHANNEL_B:
1702 ahc->channel = 'B';
1703 break;
1704 default:
1705 printf("adapter at unexpected slot %d\n"
1706 "unable to map to a channel\n",
1707 ahc->bd->dev);
1708 ahc->channel = 'A';
1709 }
1710 return (0);
1711 }
1712
1713 static int
1714 ahc_aha398XX_setup(struct ahc_softc *ahc)
1715 {
1716
1717 switch (ahc->bd->dev) {
1718 case AHC_398X_SLOT_CHANNEL_A:
1719 ahc->channel = 'A';
1720 break;
1721 case AHC_398X_SLOT_CHANNEL_B:
1722 ahc->channel = 'B';
1723 break;
1724 case AHC_398X_SLOT_CHANNEL_C:
1725 ahc->channel = 'C';
1726 break;
1727 default:
1728 printf("adapter at unexpected slot %d\n"
1729 "unable to map to a channel\n",
1730 ahc->bd->dev);
1731 ahc->channel = 'A';
1732 break;
1733 }
1734 ahc->flags |= AHC_LARGE_SEEPROM;
1735 return (0);
1736 }
1737
1738 static int
1739 ahc_aha494XX_setup(struct ahc_softc *ahc)
1740 {
1741
1742 switch (ahc->bd->dev) {
1743 case AHC_494X_SLOT_CHANNEL_A:
1744 ahc->channel = 'A';
1745 break;
1746 case AHC_494X_SLOT_CHANNEL_B:
1747 ahc->channel = 'B';
1748 break;
1749 case AHC_494X_SLOT_CHANNEL_C:
1750 ahc->channel = 'C';
1751 break;
1752 case AHC_494X_SLOT_CHANNEL_D:
1753 ahc->channel = 'D';
1754 break;
1755 default:
1756 printf("adapter at unexpected slot %d\n"
1757 "unable to map to a channel\n",
1758 ahc->bd->dev);
1759 ahc->channel = 'A';
1760 }
1761 ahc->flags |= AHC_LARGE_SEEPROM;
1762 return (0);
1763 }
1764