ahc_pci.c revision 1.63.12.1 1 /*
2 * Product specific probe and attach routines for:
3 * 3940, 2940, aic7895, aic7890, aic7880,
4 * aic7870, aic7860 and aic7850 SCSI controllers
5 *
6 * Copyright (c) 1994-2001 Justin T. Gibbs.
7 * Copyright (c) 2000-2001 Adaptec Inc.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions, and the following disclaimer,
15 * without modification.
16 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
17 * substantially similar to the "NO WARRANTY" disclaimer below
18 * ("Disclaimer") and any redistribution must be conditioned upon
19 * including a substantially similar Disclaimer requirement for further
20 * binary redistribution.
21 * 3. Neither the names of the above-listed copyright holders nor the names
22 * of any contributors may be used to endorse or promote products derived
23 * from this software without specific prior written permission.
24 *
25 * Alternatively, this software may be distributed under the terms of the
26 * GNU General Public License ("GPL") version 2 as published by the Free
27 * Software Foundation.
28 *
29 * NO WARRANTY
30 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
31 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
32 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
33 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
34 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
38 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
39 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
40 * POSSIBILITY OF SUCH DAMAGES.
41 *
42 * $Id: ahc_pci.c,v 1.63.12.1 2009/01/19 13:18:24 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 1.63.12.1 2009/01/19 13:18:24 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 <sys/bus.h>
64 #include <sys/intr.h>
65
66 #include <dev/pci/pcireg.h>
67 #include <dev/pci/pcivar.h>
68
69
70 /* XXXX some i386 on-board chips act weird when memory-mapped */
71 #ifndef __i386__
72 #define AHC_ALLOW_MEMIO
73 #endif
74
75 #define AHC_PCI_IOADDR PCI_MAPREG_START /* I/O Address */
76 #define AHC_PCI_MEMADDR (PCI_MAPREG_START + 4) /* Mem I/O Address */
77
78 #include <dev/ic/aic7xxx_osm.h>
79 #include <dev/ic/aic7xxx_inline.h>
80
81 #include <dev/ic/smc93cx6var.h>
82
83
84 static inline uint64_t
85 ahc_compose_id(u_int device, u_int vendor, u_int subdevice, u_int subvendor)
86 {
87 uint64_t id;
88
89 id = subvendor
90 | (subdevice << 16)
91 | ((uint64_t)vendor << 32)
92 | ((uint64_t)device << 48);
93
94 return (id);
95 }
96
97 #define ID_ALL_MASK 0xFFFFFFFFFFFFFFFFull
98 #define ID_DEV_VENDOR_MASK 0xFFFFFFFF00000000ull
99 #define ID_9005_GENERIC_MASK 0xFFF0FFFF00000000ull
100 #define ID_9005_SISL_MASK 0x000FFFFF00000000ull
101 #define ID_9005_SISL_ID 0x0005900500000000ull
102 #define ID_AIC7850 0x5078900400000000ull
103 #define ID_AHA_2902_04_10_15_20_30C 0x5078900478509004ull
104 #define ID_AIC7855 0x5578900400000000ull
105 #define ID_AIC7859 0x3860900400000000ull
106 #define ID_AHA_2930CU 0x3860900438699004ull
107 #define ID_AIC7860 0x6078900400000000ull
108 #define ID_AIC7860C 0x6078900478609004ull
109 #define ID_AHA_1480A 0x6075900400000000ull
110 #define ID_AHA_2940AU_0 0x6178900400000000ull
111 #define ID_AHA_2940AU_1 0x6178900478619004ull
112 #define ID_AHA_2940AU_CN 0x2178900478219004ull
113 #define ID_AHA_2930C_VAR 0x6038900438689004ull
114
115 #define ID_AIC7870 0x7078900400000000ull
116 #define ID_AHA_2940 0x7178900400000000ull
117 #define ID_AHA_3940 0x7278900400000000ull
118 #define ID_AHA_398X 0x7378900400000000ull
119 #define ID_AHA_2944 0x7478900400000000ull
120 #define ID_AHA_3944 0x7578900400000000ull
121 #define ID_AHA_4944 0x7678900400000000ull
122
123 #define ID_AIC7880 0x8078900400000000ull
124 #define ID_AIC7880_B 0x8078900478809004ull
125 #define ID_AHA_2940U 0x8178900400000000ull
126 #define ID_AHA_3940U 0x8278900400000000ull
127 #define ID_AHA_2944U 0x8478900400000000ull
128 #define ID_AHA_3944U 0x8578900400000000ull
129 #define ID_AHA_398XU 0x8378900400000000ull
130 #define ID_AHA_4944U 0x8678900400000000ull
131 #define ID_AHA_2940UB 0x8178900478819004ull
132 #define ID_AHA_2930U 0x8878900478889004ull
133 #define ID_AHA_2940U_PRO 0x8778900478879004ull
134 #define ID_AHA_2940U_CN 0x0078900478009004ull
135
136 #define ID_AIC7895 0x7895900478959004ull
137 #define ID_AIC7895_ARO 0x7890900478939004ull
138 #define ID_AIC7895_ARO_MASK 0xFFF0FFFFFFFFFFFFull
139 #define ID_AHA_2940U_DUAL 0x7895900478919004ull
140 #define ID_AHA_3940AU 0x7895900478929004ull
141 #define ID_AHA_3944AU 0x7895900478949004ull
142
143 #define ID_AIC7890 0x001F9005000F9005ull
144 #define ID_AIC7890_ARO 0x00139005000F9005ull
145 #define ID_AAA_131U2 0x0013900500039005ull
146 #define ID_AHA_2930U2 0x0011900501819005ull
147 #define ID_AHA_2940U2B 0x00109005A1009005ull
148 #define ID_AHA_2940U2_OEM 0x0010900521809005ull
149 #define ID_AHA_2940U2 0x00109005A1809005ull
150 #define ID_AHA_2950U2B 0x00109005E1009005ull
151
152 #define ID_AIC7892 0x008F9005FFFF9005ull
153 #define ID_AIC7892_ARO 0x00839005FFFF9005ull
154 #define ID_AHA_2915LP 0x0082900502109005ull
155 #define ID_AHA_29160 0x00809005E2A09005ull
156 #define ID_AHA_29160_CPQ 0x00809005E2A00E11ull
157 #define ID_AHA_29160N 0x0080900562A09005ull
158 #define ID_AHA_29160C 0x0080900562209005ull
159 #define ID_AHA_29160B 0x00809005E2209005ull
160 #define ID_AHA_19160B 0x0081900562A19005ull
161
162 #define ID_AIC7896 0x005F9005FFFF9005ull
163 #define ID_AIC7896_ARO 0x00539005FFFF9005ull
164 #define ID_AHA_3950U2B_0 0x00509005FFFF9005ull
165 #define ID_AHA_3950U2B_1 0x00509005F5009005ull
166 #define ID_AHA_3950U2D_0 0x00519005FFFF9005ull
167 #define ID_AHA_3950U2D_1 0x00519005B5009005ull
168
169 #define ID_AIC7899 0x00CF9005FFFF9005ull
170 #define ID_AIC7899_ARO 0x00C39005FFFF9005ull
171 #define ID_AHA_3960D 0x00C09005F6209005ull
172 #define ID_AHA_3960D_CPQ 0x00C09005F6200E11ull
173
174 #define ID_AIC7810 0x1078900400000000ull
175 #define ID_AIC7815 0x7815900400000000ull
176
177 #define DEVID_9005_TYPE(id) ((id) & 0xF)
178 #define DEVID_9005_TYPE_HBA 0x0 /* Standard Card */
179 #define DEVID_9005_TYPE_AAA 0x3 /* RAID Card */
180 #define DEVID_9005_TYPE_SISL 0x5 /* Container ROMB */
181 #define DEVID_9005_TYPE_MB 0xF /* On Motherboard */
182
183 #define DEVID_9005_MAXRATE(id) (((id) & 0x30) >> 4)
184 #define DEVID_9005_MAXRATE_U160 0x0
185 #define DEVID_9005_MAXRATE_ULTRA2 0x1
186 #define DEVID_9005_MAXRATE_ULTRA 0x2
187 #define DEVID_9005_MAXRATE_FAST 0x3
188
189 #define DEVID_9005_MFUNC(id) (((id) & 0x40) >> 6)
190
191 #define DEVID_9005_CLASS(id) (((id) & 0xFF00) >> 8)
192 #define DEVID_9005_CLASS_SPI 0x0 /* Parallel SCSI */
193
194 #define SUBID_9005_TYPE(id) ((id) & 0xF)
195 #define SUBID_9005_TYPE_MB 0xF /* On Motherboard */
196 #define SUBID_9005_TYPE_CARD 0x0 /* Standard Card */
197 #define SUBID_9005_TYPE_LCCARD 0x1 /* Low Cost Card */
198 #define SUBID_9005_TYPE_RAID 0x3 /* Combined with Raid */
199
200 #define SUBID_9005_TYPE_KNOWN(id) \
201 ((((id) & 0xF) == SUBID_9005_TYPE_MB) \
202 || (((id) & 0xF) == SUBID_9005_TYPE_CARD) \
203 || (((id) & 0xF) == SUBID_9005_TYPE_LCCARD) \
204 || (((id) & 0xF) == SUBID_9005_TYPE_RAID))
205
206 #define SUBID_9005_MAXRATE(id) (((id) & 0x30) >> 4)
207 #define SUBID_9005_MAXRATE_ULTRA2 0x0
208 #define SUBID_9005_MAXRATE_ULTRA 0x1
209 #define SUBID_9005_MAXRATE_U160 0x2
210 #define SUBID_9005_MAXRATE_RESERVED 0x3
211
212 #define SUBID_9005_SEEPTYPE(id) \
213 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
214 ? ((id) & 0xC0) >> 6 \
215 : ((id) & 0x300) >> 8)
216 #define SUBID_9005_SEEPTYPE_NONE 0x0
217 #define SUBID_9005_SEEPTYPE_1K 0x1
218 #define SUBID_9005_SEEPTYPE_2K_4K 0x2
219 #define SUBID_9005_SEEPTYPE_RESERVED 0x3
220 #define SUBID_9005_AUTOTERM(id) \
221 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
222 ? (((id) & 0x400) >> 10) == 0 \
223 : (((id) & 0x40) >> 6) == 0)
224
225 #define SUBID_9005_NUMCHAN(id) \
226 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
227 ? ((id) & 0x300) >> 8 \
228 : ((id) & 0xC00) >> 10)
229
230 #define SUBID_9005_LEGACYCONN(id) \
231 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
232 ? 0 \
233 : ((id) & 0x80) >> 7)
234
235 #define SUBID_9005_MFUNCENB(id) \
236 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
237 ? ((id) & 0x800) >> 11 \
238 : ((id) & 0x1000) >> 12)
239 /*
240 * Informational only. Should use chip register to be
241 * certain, but may be use in identification strings.
242 */
243 #define SUBID_9005_CARD_SCSIWIDTH_MASK 0x2000
244 #define SUBID_9005_CARD_PCIWIDTH_MASK 0x4000
245 #define SUBID_9005_CARD_SEDIFF_MASK 0x8000
246
247 static ahc_device_setup_t ahc_aic785X_setup;
248 static ahc_device_setup_t ahc_aic7860_setup;
249 static ahc_device_setup_t ahc_apa1480_setup;
250 static ahc_device_setup_t ahc_aic7870_setup;
251 static ahc_device_setup_t ahc_aha394X_setup;
252 static ahc_device_setup_t ahc_aha494X_setup;
253 static ahc_device_setup_t ahc_aha398X_setup;
254 static ahc_device_setup_t ahc_aic7880_setup;
255 static ahc_device_setup_t ahc_aha2940Pro_setup;
256 static ahc_device_setup_t ahc_aha394XU_setup;
257 static ahc_device_setup_t ahc_aha398XU_setup;
258 static ahc_device_setup_t ahc_aic7890_setup;
259 static ahc_device_setup_t ahc_aic7892_setup;
260 static ahc_device_setup_t ahc_aic7895_setup;
261 static ahc_device_setup_t ahc_aic7896_setup;
262 static ahc_device_setup_t ahc_aic7899_setup;
263 static ahc_device_setup_t ahc_aha29160C_setup;
264 static ahc_device_setup_t ahc_raid_setup;
265 static ahc_device_setup_t ahc_aha394XX_setup;
266 static ahc_device_setup_t ahc_aha494XX_setup;
267 static ahc_device_setup_t ahc_aha398XX_setup;
268
269 static struct ahc_pci_identity ahc_pci_ident_table [] =
270 {
271 /* aic7850 based controllers */
272 {
273 ID_AHA_2902_04_10_15_20_30C,
274 ID_ALL_MASK,
275 "Adaptec 2902/04/10/15/20/30C SCSI adapter",
276 ahc_aic785X_setup
277 },
278 /* aic7860 based controllers */
279 {
280 ID_AHA_2930CU,
281 ID_ALL_MASK,
282 "Adaptec 2930CU SCSI adapter",
283 ahc_aic7860_setup
284 },
285 {
286 ID_AHA_1480A & ID_DEV_VENDOR_MASK,
287 ID_DEV_VENDOR_MASK,
288 "Adaptec 1480A Ultra SCSI adapter",
289 ahc_apa1480_setup
290 },
291 {
292 ID_AHA_2940AU_0 & ID_DEV_VENDOR_MASK,
293 ID_DEV_VENDOR_MASK,
294 "Adaptec 2940A Ultra SCSI adapter",
295 ahc_aic7860_setup
296 },
297 {
298 ID_AHA_2940AU_CN & ID_DEV_VENDOR_MASK,
299 ID_DEV_VENDOR_MASK,
300 "Adaptec 2940A/CN Ultra SCSI adapter",
301 ahc_aic7860_setup
302 },
303 {
304 ID_AHA_2930C_VAR & ID_DEV_VENDOR_MASK,
305 ID_DEV_VENDOR_MASK,
306 "Adaptec 2930C Ultra SCSI adapter (VAR)",
307 ahc_aic7860_setup
308 },
309 /* aic7870 based controllers */
310 {
311 ID_AHA_2940,
312 ID_ALL_MASK,
313 "Adaptec 2940 SCSI adapter",
314 ahc_aic7870_setup
315 },
316 {
317 ID_AHA_3940,
318 ID_ALL_MASK,
319 "Adaptec 3940 SCSI adapter",
320 ahc_aha394X_setup
321 },
322 {
323 ID_AHA_398X,
324 ID_ALL_MASK,
325 "Adaptec 398X SCSI RAID adapter",
326 ahc_aha398X_setup
327 },
328 {
329 ID_AHA_2944,
330 ID_ALL_MASK,
331 "Adaptec 2944 SCSI adapter",
332 ahc_aic7870_setup
333 },
334 {
335 ID_AHA_3944,
336 ID_ALL_MASK,
337 "Adaptec 3944 SCSI adapter",
338 ahc_aha394X_setup
339 },
340 {
341 ID_AHA_4944,
342 ID_ALL_MASK,
343 "Adaptec 4944 SCSI adapter",
344 ahc_aha494X_setup
345 },
346 /* aic7880 based controllers */
347 {
348 ID_AHA_2940U & ID_DEV_VENDOR_MASK,
349 ID_DEV_VENDOR_MASK,
350 "Adaptec 2940 Ultra SCSI adapter",
351 ahc_aic7880_setup
352 },
353 {
354 ID_AHA_3940U & ID_DEV_VENDOR_MASK,
355 ID_DEV_VENDOR_MASK,
356 "Adaptec 3940 Ultra SCSI adapter",
357 ahc_aha394XU_setup
358 },
359 {
360 ID_AHA_2944U & ID_DEV_VENDOR_MASK,
361 ID_DEV_VENDOR_MASK,
362 "Adaptec 2944 Ultra SCSI adapter",
363 ahc_aic7880_setup
364 },
365 {
366 ID_AHA_3944U & ID_DEV_VENDOR_MASK,
367 ID_DEV_VENDOR_MASK,
368 "Adaptec 3944 Ultra SCSI adapter",
369 ahc_aha394XU_setup
370 },
371 {
372 ID_AHA_398XU & ID_DEV_VENDOR_MASK,
373 ID_DEV_VENDOR_MASK,
374 "Adaptec 398X Ultra SCSI RAID adapter",
375 ahc_aha398XU_setup
376 },
377 {
378 /*
379 * XXX Don't know the slot numbers
380 * so we can't identify channels
381 */
382 ID_AHA_4944U & ID_DEV_VENDOR_MASK,
383 ID_DEV_VENDOR_MASK,
384 "Adaptec 4944 Ultra SCSI adapter",
385 ahc_aic7880_setup
386 },
387 {
388 ID_AHA_2930U & ID_DEV_VENDOR_MASK,
389 ID_DEV_VENDOR_MASK,
390 "Adaptec 2930 Ultra SCSI adapter",
391 ahc_aic7880_setup
392 },
393 {
394 ID_AHA_2940U_PRO & ID_DEV_VENDOR_MASK,
395 ID_DEV_VENDOR_MASK,
396 "Adaptec 2940 Pro Ultra SCSI adapter",
397 ahc_aha2940Pro_setup
398 },
399 {
400 ID_AHA_2940U_CN & ID_DEV_VENDOR_MASK,
401 ID_DEV_VENDOR_MASK,
402 "Adaptec 2940/CN Ultra SCSI adapter",
403 ahc_aic7880_setup
404 },
405 /* Ignore all SISL (AAC on MB) based controllers. */
406 {
407 ID_9005_SISL_ID,
408 ID_9005_SISL_MASK,
409 NULL,
410 NULL
411 },
412 /* aic7890 based controllers */
413 {
414 ID_AHA_2930U2,
415 ID_ALL_MASK,
416 "Adaptec 2930 Ultra2 SCSI adapter",
417 ahc_aic7890_setup
418 },
419 {
420 ID_AHA_2940U2B,
421 ID_ALL_MASK,
422 "Adaptec 2940B Ultra2 SCSI adapter",
423 ahc_aic7890_setup
424 },
425 {
426 ID_AHA_2940U2_OEM,
427 ID_ALL_MASK,
428 "Adaptec 2940 Ultra2 SCSI adapter (OEM)",
429 ahc_aic7890_setup
430 },
431 {
432 ID_AHA_2940U2,
433 ID_ALL_MASK,
434 "Adaptec 2940 Ultra2 SCSI adapter",
435 ahc_aic7890_setup
436 },
437 {
438 ID_AHA_2950U2B,
439 ID_ALL_MASK,
440 "Adaptec 2950 Ultra2 SCSI adapter",
441 ahc_aic7890_setup
442 },
443 {
444 ID_AIC7890_ARO,
445 ID_ALL_MASK,
446 "Adaptec aic7890/91 Ultra2 SCSI adapter (ARO)",
447 ahc_aic7890_setup
448 },
449 {
450 ID_AAA_131U2,
451 ID_ALL_MASK,
452 "Adaptec AAA-131 Ultra2 RAID adapter",
453 ahc_aic7890_setup
454 },
455 /* aic7892 based controllers */
456 {
457 ID_AHA_29160,
458 ID_ALL_MASK,
459 "Adaptec 29160 Ultra160 SCSI adapter",
460 ahc_aic7892_setup
461 },
462 {
463 ID_AHA_29160_CPQ,
464 ID_ALL_MASK,
465 "Adaptec (Compaq OEM) 29160 Ultra160 SCSI adapter",
466 ahc_aic7892_setup
467 },
468 {
469 ID_AHA_29160N,
470 ID_ALL_MASK,
471 "Adaptec 29160N Ultra160 SCSI adapter",
472 ahc_aic7892_setup
473 },
474 {
475 ID_AHA_29160C,
476 ID_ALL_MASK,
477 "Adaptec 29160C Ultra160 SCSI adapter",
478 ahc_aha29160C_setup
479 },
480 {
481 ID_AHA_29160B,
482 ID_ALL_MASK,
483 "Adaptec 29160B Ultra160 SCSI adapter",
484 ahc_aic7892_setup
485 },
486 {
487 ID_AHA_19160B,
488 ID_ALL_MASK,
489 "Adaptec 19160B Ultra160 SCSI adapter",
490 ahc_aic7892_setup
491 },
492 {
493 ID_AIC7892_ARO,
494 ID_ALL_MASK,
495 "Adaptec aic7892 Ultra160 SCSI adapter (ARO)",
496 ahc_aic7892_setup
497 },
498 {
499 ID_AHA_2915LP,
500 ID_ALL_MASK,
501 "Adaptec 2915LP Ultra160 SCSI adapter",
502 ahc_aic7892_setup
503 },
504 /* aic7895 based controllers */
505 {
506 ID_AHA_2940U_DUAL,
507 ID_ALL_MASK,
508 "Adaptec 2940/DUAL Ultra SCSI adapter",
509 ahc_aic7895_setup
510 },
511 {
512 ID_AHA_3940AU,
513 ID_ALL_MASK,
514 "Adaptec 3940A Ultra SCSI adapter",
515 ahc_aic7895_setup
516 },
517 {
518 ID_AHA_3944AU,
519 ID_ALL_MASK,
520 "Adaptec 3944A Ultra SCSI adapter",
521 ahc_aic7895_setup
522 },
523 {
524 ID_AIC7895_ARO,
525 ID_AIC7895_ARO_MASK,
526 "Adaptec aic7895 Ultra SCSI adapter (ARO)",
527 ahc_aic7895_setup
528 },
529 /* aic7896/97 based controllers */
530 {
531 ID_AHA_3950U2B_0,
532 ID_ALL_MASK,
533 "Adaptec 3950B Ultra2 SCSI adapter",
534 ahc_aic7896_setup
535 },
536 {
537 ID_AHA_3950U2B_1,
538 ID_ALL_MASK,
539 "Adaptec 3950B Ultra2 SCSI adapter",
540 ahc_aic7896_setup
541 },
542 {
543 ID_AHA_3950U2D_0,
544 ID_ALL_MASK,
545 "Adaptec 3950D Ultra2 SCSI adapter",
546 ahc_aic7896_setup
547 },
548 {
549 ID_AHA_3950U2D_1,
550 ID_ALL_MASK,
551 "Adaptec 3950D Ultra2 SCSI adapter",
552 ahc_aic7896_setup
553 },
554 {
555 ID_AIC7896_ARO,
556 ID_ALL_MASK,
557 "Adaptec aic7896/97 Ultra2 SCSI adapter (ARO)",
558 ahc_aic7896_setup
559 },
560 /* aic7899 based controllers */
561 {
562 ID_AHA_3960D,
563 ID_ALL_MASK,
564 "Adaptec 3960D Ultra160 SCSI adapter",
565 ahc_aic7899_setup
566 },
567 {
568 ID_AHA_3960D_CPQ,
569 ID_ALL_MASK,
570 "Adaptec (Compaq OEM) 3960D Ultra160 SCSI adapter",
571 ahc_aic7899_setup
572 },
573 {
574 ID_AIC7899_ARO,
575 ID_ALL_MASK,
576 "Adaptec aic7899 Ultra160 SCSI adapter (ARO)",
577 ahc_aic7899_setup
578 },
579 /* Generic chip probes for devices we don't know 'exactly' */
580 {
581 ID_AIC7850 & ID_DEV_VENDOR_MASK,
582 ID_DEV_VENDOR_MASK,
583 "Adaptec aic7850 SCSI adapter",
584 ahc_aic785X_setup
585 },
586 {
587 ID_AIC7855 & ID_DEV_VENDOR_MASK,
588 ID_DEV_VENDOR_MASK,
589 "Adaptec aic7855 SCSI adapter",
590 ahc_aic785X_setup
591 },
592 {
593 ID_AIC7859 & ID_DEV_VENDOR_MASK,
594 ID_DEV_VENDOR_MASK,
595 "Adaptec aic7859 SCSI adapter",
596 ahc_aic7860_setup
597 },
598 {
599 ID_AIC7860 & ID_DEV_VENDOR_MASK,
600 ID_DEV_VENDOR_MASK,
601 "Adaptec aic7860 Ultra SCSI adapter",
602 ahc_aic7860_setup
603 },
604 {
605 ID_AIC7870 & ID_DEV_VENDOR_MASK,
606 ID_DEV_VENDOR_MASK,
607 "Adaptec aic7870 SCSI adapter",
608 ahc_aic7870_setup
609 },
610 {
611 ID_AIC7880 & ID_DEV_VENDOR_MASK,
612 ID_DEV_VENDOR_MASK,
613 "Adaptec aic7880 Ultra SCSI adapter",
614 ahc_aic7880_setup
615 },
616 {
617 ID_AIC7890 & ID_9005_GENERIC_MASK,
618 ID_9005_GENERIC_MASK,
619 "Adaptec aic7890/91 Ultra2 SCSI adapter",
620 ahc_aic7890_setup
621 },
622 {
623 ID_AIC7892 & ID_9005_GENERIC_MASK,
624 ID_9005_GENERIC_MASK,
625 "Adaptec aic7892 Ultra160 SCSI adapter",
626 ahc_aic7892_setup
627 },
628 {
629 ID_AIC7895 & ID_DEV_VENDOR_MASK,
630 ID_DEV_VENDOR_MASK,
631 "Adaptec aic7895 Ultra SCSI adapter",
632 ahc_aic7895_setup
633 },
634 {
635 ID_AIC7896 & ID_9005_GENERIC_MASK,
636 ID_9005_GENERIC_MASK,
637 "Adaptec aic7896/97 Ultra2 SCSI adapter",
638 ahc_aic7896_setup
639 },
640 {
641 ID_AIC7899 & ID_9005_GENERIC_MASK,
642 ID_9005_GENERIC_MASK,
643 "Adaptec aic7899 Ultra160 SCSI adapter",
644 ahc_aic7899_setup
645 },
646 {
647 ID_AIC7810 & ID_DEV_VENDOR_MASK,
648 ID_DEV_VENDOR_MASK,
649 "Adaptec aic7810 RAID memory controller",
650 ahc_raid_setup
651 },
652 {
653 ID_AIC7815 & ID_DEV_VENDOR_MASK,
654 ID_DEV_VENDOR_MASK,
655 "Adaptec aic7815 RAID memory controller",
656 ahc_raid_setup
657 }
658 };
659
660 static const u_int ahc_num_pci_devs = NUM_ELEMENTS(ahc_pci_ident_table);
661
662 #define AHC_394X_SLOT_CHANNEL_A 4
663 #define AHC_394X_SLOT_CHANNEL_B 5
664
665 #define AHC_398X_SLOT_CHANNEL_A 4
666 #define AHC_398X_SLOT_CHANNEL_B 8
667 #define AHC_398X_SLOT_CHANNEL_C 12
668
669 #define AHC_494X_SLOT_CHANNEL_A 4
670 #define AHC_494X_SLOT_CHANNEL_B 5
671 #define AHC_494X_SLOT_CHANNEL_C 6
672 #define AHC_494X_SLOT_CHANNEL_D 7
673
674 #define DEVCONFIG 0x40
675 #define PCIERRGENDIS 0x80000000ul
676 #define SCBSIZE32 0x00010000ul /* aic789X only */
677 #define REXTVALID 0x00001000ul /* ultra cards only */
678 #define MPORTMODE 0x00000400ul /* aic7870+ only */
679 #define RAMPSM 0x00000200ul /* aic7870+ only */
680 #define VOLSENSE 0x00000100ul
681 #define PCI64BIT 0x00000080ul /* 64Bit PCI bus (Ultra2 Only)*/
682 #define SCBRAMSEL 0x00000080ul
683 #define MRDCEN 0x00000040ul
684 #define EXTSCBTIME 0x00000020ul /* aic7870 only */
685 #define EXTSCBPEN 0x00000010ul /* aic7870 only */
686 #define BERREN 0x00000008ul
687 #define DACEN 0x00000004ul
688 #define STPWLEVEL 0x00000002ul
689 #define DIFACTNEGEN 0x00000001ul /* aic7870 only */
690
691 #define CSIZE_LATTIME 0x0c
692 #define CACHESIZE 0x0000003ful /* only 5 bits */
693 #define LATTIME 0x0000ff00ul
694
695 /* PCI STATUS definitions */
696 #define DPE 0x80
697 #define SSE 0x40
698 #define RMA 0x20
699 #define RTA 0x10
700 #define STA 0x08
701 #define DPR 0x01
702
703 static int ahc_9005_subdevinfo_valid(uint16_t vendor, uint16_t device,
704 uint16_t subvendor, uint16_t subdevice);
705 static int ahc_ext_scbram_present(struct ahc_softc *ahc);
706 static void ahc_scbram_config(struct ahc_softc *ahc, int enable,
707 int pcheck, int fast, int large);
708 static void ahc_probe_ext_scbram(struct ahc_softc *ahc);
709
710 static void ahc_pci_intr(struct ahc_softc *);
711
712 static bool ahc_pci_suspend(device_t PMF_FN_PROTO);
713 static bool ahc_pci_resume(device_t PMF_FN_PROTO);
714
715 static const struct ahc_pci_identity *
716 ahc_find_pci_device(pcireg_t id, pcireg_t subid, u_int func)
717 {
718 u_int64_t full_id;
719 const struct ahc_pci_identity *entry;
720 u_int i;
721
722 full_id = ahc_compose_id(PCI_PRODUCT(id), PCI_VENDOR(id),
723 PCI_PRODUCT(subid), PCI_VENDOR(subid));
724
725 /*
726 * If the second function is not hooked up, ignore it.
727 * Unfortunately, not all MB vendors implement the
728 * subdevice ID as per the Adaptec spec, so do our best
729 * to sanity check it prior to accepting the subdevice
730 * ID as valid.
731 */
732 if (func > 0
733 && ahc_9005_subdevinfo_valid(PCI_VENDOR(id), PCI_PRODUCT(id),
734 PCI_VENDOR(subid), PCI_PRODUCT(subid))
735 && SUBID_9005_MFUNCENB(PCI_PRODUCT(subid)) == 0)
736 return (NULL);
737
738 for (i = 0; i < ahc_num_pci_devs; i++) {
739 entry = &ahc_pci_ident_table[i];
740 if (entry->full_id == (full_id & entry->id_mask))
741 return (entry);
742 }
743 return (NULL);
744 }
745
746 static int
747 ahc_pci_probe(device_t parent, struct cfdata *match, void *aux)
748 {
749 struct pci_attach_args *pa = aux;
750 const struct ahc_pci_identity *entry;
751 pcireg_t subid;
752
753 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
754 entry = ahc_find_pci_device(pa->pa_id, subid, pa->pa_function);
755 return (entry != NULL && entry->setup != NULL) ? 1 : 0;
756 }
757
758 static void
759 ahc_pci_attach(device_t parent, device_t self, void *aux)
760 {
761 struct pci_attach_args *pa = aux;
762 const struct ahc_pci_identity *entry;
763 struct ahc_softc *ahc = device_private(self);
764 pcireg_t command;
765 u_int our_id = 0;
766 u_int sxfrctl1;
767 u_int scsiseq;
768 u_int sblkctl;
769 uint8_t dscommand0;
770 uint32_t devconfig;
771 int error;
772 pcireg_t subid;
773 int ioh_valid;
774 bus_space_tag_t st, iot;
775 bus_space_handle_t sh, ioh;
776 #ifdef AHC_ALLOW_MEMIO
777 int memh_valid;
778 bus_space_tag_t memt;
779 bus_space_handle_t memh;
780 pcireg_t memtype;
781 #endif
782 pci_intr_handle_t ih;
783 const char *intrstr;
784 struct ahc_pci_busdata *bd;
785 bool override_ultra;
786
787 ahc_set_name(ahc, device_xname(&ahc->sc_dev));
788 ahc->parent_dmat = pa->pa_dmat;
789
790 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
791 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
792 entry = ahc_find_pci_device(pa->pa_id, subid, pa->pa_function);
793 if (entry == NULL)
794 return;
795 printf(": %s\n", entry->name);
796
797 /* Keep information about the PCI bus */
798 bd = malloc(sizeof (struct ahc_pci_busdata), M_DEVBUF, M_NOWAIT);
799 if (bd == NULL) {
800 printf("%s: unable to allocate bus-specific data\n",
801 ahc_name(ahc));
802 return;
803 }
804 memset(bd, 0, sizeof(struct ahc_pci_busdata));
805
806 bd->pc = pa->pa_pc;
807 bd->tag = pa->pa_tag;
808 bd->func = pa->pa_function;
809 bd->dev = pa->pa_device;
810 bd->class = pa->pa_class;
811
812 ahc->bd = bd;
813
814 ahc->description = entry->name;
815
816 error = entry->setup(ahc);
817 if (error != 0)
818 return;
819
820 ioh_valid = 0;
821
822 #ifdef AHC_ALLOW_MEMIO
823 memh_valid = 0;
824 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, AHC_PCI_MEMADDR);
825 switch (memtype) {
826 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
827 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
828 memh_valid = (pci_mapreg_map(pa, AHC_PCI_MEMADDR,
829 memtype, 0, &memt, &memh, NULL, NULL) == 0);
830 break;
831 default:
832 memh_valid = 0;
833 }
834 #endif
835 ioh_valid = (pci_mapreg_map(pa, AHC_PCI_IOADDR,
836 PCI_MAPREG_TYPE_IO, 0, &iot,
837 &ioh, NULL, NULL) == 0);
838 #if 0
839 printf("%s: bus info: memt 0x%lx, memh 0x%lx, iot 0x%lx, ioh 0x%lx\n",
840 ahc_name(ahc), (u_long)memt, (u_long)memh, (u_long)iot,
841 (u_long)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 aprint_error_dev(&ahc->sc_dev,
960 "couldn't establish interrupt\n");
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 * Allow override for the SGI O2 though, which has two onboard ahc
1007 * that fail here but are perfectly capable of ultra speeds.
1008 */
1009 override_ultra = FALSE;
1010 prop_dictionary_get_bool(device_properties(self),
1011 "aic7xxx-override-ultra", &override_ultra);
1012
1013 if (((ahc->features & AHC_ULTRA) != 0) && (!override_ultra)) {
1014 uint32_t dvconfig;
1015
1016 dvconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
1017 if ((dvconfig & REXTVALID) == 0)
1018 ahc->features &= ~AHC_ULTRA;
1019 }
1020
1021 ahc->seep_config = malloc(sizeof(*ahc->seep_config),
1022 M_DEVBUF, M_NOWAIT);
1023 if (ahc->seep_config == NULL)
1024 goto error_out;
1025
1026 memset(ahc->seep_config, 0, sizeof(*ahc->seep_config));
1027
1028 /* See if we have a SEEPROM and perform auto-term */
1029 ahc_check_extport(ahc, &sxfrctl1);
1030
1031 /*
1032 * Take the LED out of diagnostic mode
1033 */
1034 sblkctl = ahc_inb(ahc, SBLKCTL);
1035 ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON)));
1036
1037 if ((ahc->features & AHC_ULTRA2) != 0) {
1038 ahc_outb(ahc, DFF_THRSH, RD_DFTHRSH_MAX|WR_DFTHRSH_MAX);
1039 } else {
1040 ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100);
1041 }
1042
1043 if (ahc->flags & AHC_USEDEFAULTS) {
1044 /*
1045 * PCI Adapter default setup
1046 * Should only be used if the adapter does not have
1047 * a SEEPROM.
1048 */
1049 /* See if someone else set us up already */
1050 if ((ahc->flags & AHC_NO_BIOS_INIT) == 0
1051 && scsiseq != 0) {
1052 prop_bool_t usetd;
1053
1054 printf("%s: Using left over BIOS settings\n",
1055 ahc_name(ahc));
1056 ahc->flags &= ~AHC_USEDEFAULTS;
1057 /*
1058 * Ignore target device settings and use default
1059 * if BIOS initializes chip's SRAM with some
1060 * conservative settings (async, no tagged
1061 * queuing etc.) and machine dependent device
1062 * property is set.
1063 */
1064 usetd = prop_dictionary_get(
1065 device_properties(&ahc->sc_dev),
1066 "aic7xxx-use-target-defaults");
1067 if (usetd != NULL) {
1068 KASSERT(prop_object_type(usetd) ==
1069 PROP_TYPE_BOOL);
1070 if (prop_bool_true(usetd))
1071 ahc->flags |= AHC_USETARGETDEFAULTS;
1072 }
1073 ahc->flags |= AHC_BIOS_ENABLED;
1074 } else {
1075 /*
1076 * Assume only one connector and always turn
1077 * on termination.
1078 */
1079 our_id = 0x07;
1080 sxfrctl1 = STPWEN;
1081 }
1082 ahc_outb(ahc, SCSICONF, our_id|ENSPCHK|RESET_SCSI);
1083
1084 ahc->our_id = our_id;
1085 }
1086
1087 /*
1088 * Take a look to see if we have external SRAM.
1089 * We currently do not attempt to use SRAM that is
1090 * shared among multiple controllers.
1091 */
1092 ahc_probe_ext_scbram(ahc);
1093
1094 /*
1095 * Record our termination setting for the
1096 * generic initialization routine.
1097 */
1098 if ((sxfrctl1 & STPWEN) != 0)
1099 ahc->flags |= AHC_TERM_ENB_A;
1100
1101 if (ahc_init(ahc))
1102 goto error_out;
1103
1104 pmf_device_register(self, ahc_pci_suspend, ahc_pci_resume);
1105 ahc_attach(ahc);
1106
1107 return;
1108
1109 error_out:
1110 ahc_free(ahc);
1111 return;
1112 }
1113
1114 /*
1115 * XXX we should call the real suspend and resume functions here
1116 * but for some reason ahc_suspend() panics on shutdown
1117 */
1118
1119 static bool
1120 ahc_pci_suspend(device_t dev PMF_FN_ARGS)
1121 {
1122 struct ahc_softc *sc = device_private(dev);
1123 #if 0
1124 return (ahc_suspend(sc) == 0);
1125 #else
1126 ahc_shutdown(sc);
1127 return true;
1128 #endif
1129 }
1130
1131 static bool
1132 ahc_pci_resume(device_t dev PMF_FN_ARGS)
1133 {
1134 #if 0
1135 struct ahc_softc *sc = device_private(dev);
1136
1137 return (ahc_resume(sc) == 0);
1138 #else
1139 return true;
1140 #endif
1141 }
1142
1143 CFATTACH_DECL(ahc_pci, sizeof(struct ahc_softc),
1144 ahc_pci_probe, ahc_pci_attach, NULL, NULL);
1145
1146 static int
1147 ahc_9005_subdevinfo_valid(uint16_t device, uint16_t vendor,
1148 uint16_t subdevice, uint16_t subvendor)
1149 {
1150 int result;
1151
1152 /* Default to invalid. */
1153 result = 0;
1154 if (vendor == 0x9005
1155 && subvendor == 0x9005
1156 && subdevice != device
1157 && SUBID_9005_TYPE_KNOWN(subdevice) != 0) {
1158
1159 switch (SUBID_9005_TYPE(subdevice)) {
1160 case SUBID_9005_TYPE_MB:
1161 break;
1162 case SUBID_9005_TYPE_CARD:
1163 case SUBID_9005_TYPE_LCCARD:
1164 /*
1165 * Currently only trust Adaptec cards to
1166 * get the sub device info correct.
1167 */
1168 if (DEVID_9005_TYPE(device) == DEVID_9005_TYPE_HBA)
1169 result = 1;
1170 break;
1171 case SUBID_9005_TYPE_RAID:
1172 break;
1173 default:
1174 break;
1175 }
1176 }
1177 return (result);
1178 }
1179
1180
1181 /*
1182 * Test for the presense of external sram in an
1183 * "unshared" configuration.
1184 */
1185 static int
1186 ahc_ext_scbram_present(struct ahc_softc *ahc)
1187 {
1188 u_int chip;
1189 int ramps;
1190 int single_user;
1191 uint32_t devconfig;
1192
1193 chip = ahc->chip & AHC_CHIPID_MASK;
1194 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1195 single_user = (devconfig & MPORTMODE) != 0;
1196
1197 if ((ahc->features & AHC_ULTRA2) != 0)
1198 ramps = (ahc_inb(ahc, DSCOMMAND0) & RAMPS) != 0;
1199 else if (chip == AHC_AIC7895 || chip == AHC_AIC7895C)
1200 /*
1201 * External SCBRAM arbitration is flakey
1202 * on these chips. Unfortunately this means
1203 * we don't use the extra SCB ram space on the
1204 * 3940AUW.
1205 */
1206 ramps = 0;
1207 else if (chip >= AHC_AIC7870)
1208 ramps = (devconfig & RAMPSM) != 0;
1209 else
1210 ramps = 0;
1211
1212 if (ramps && single_user)
1213 return (1);
1214 return (0);
1215 }
1216
1217 /*
1218 * Enable external scbram.
1219 */
1220 static void
1221 ahc_scbram_config(struct ahc_softc *ahc, int enable, int pcheck,
1222 int fast, int large)
1223 {
1224 uint32_t devconfig;
1225
1226 if (ahc->features & AHC_MULTI_FUNC) {
1227 /*
1228 * Set the SCB Base addr (highest address bit)
1229 * depending on which channel we are.
1230 */
1231 ahc_outb(ahc, SCBBADDR, ahc->bd->func);
1232 }
1233
1234 ahc->flags &= ~AHC_LSCBS_ENABLED;
1235 if (large)
1236 ahc->flags |= AHC_LSCBS_ENABLED;
1237 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1238 if ((ahc->features & AHC_ULTRA2) != 0) {
1239 u_int dscommand0;
1240
1241 dscommand0 = ahc_inb(ahc, DSCOMMAND0);
1242 if (enable)
1243 dscommand0 &= ~INTSCBRAMSEL;
1244 else
1245 dscommand0 |= INTSCBRAMSEL;
1246 if (large)
1247 dscommand0 &= ~USCBSIZE32;
1248 else
1249 dscommand0 |= USCBSIZE32;
1250 ahc_outb(ahc, DSCOMMAND0, dscommand0);
1251 } else {
1252 if (fast)
1253 devconfig &= ~EXTSCBTIME;
1254 else
1255 devconfig |= EXTSCBTIME;
1256 if (enable)
1257 devconfig &= ~SCBRAMSEL;
1258 else
1259 devconfig |= SCBRAMSEL;
1260 if (large)
1261 devconfig &= ~SCBSIZE32;
1262 else
1263 devconfig |= SCBSIZE32;
1264 }
1265 if (pcheck)
1266 devconfig |= EXTSCBPEN;
1267 else
1268 devconfig &= ~EXTSCBPEN;
1269
1270 pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig);
1271 }
1272
1273 /*
1274 * Take a look to see if we have external SRAM.
1275 * We currently do not attempt to use SRAM that is
1276 * shared among multiple controllers.
1277 */
1278 static void
1279 ahc_probe_ext_scbram(struct ahc_softc *ahc)
1280 {
1281 int num_scbs;
1282 int test_num_scbs;
1283 int enable;
1284 int pcheck;
1285 int fast;
1286 int large;
1287
1288 enable = FALSE;
1289 pcheck = FALSE;
1290 fast = FALSE;
1291 large = FALSE;
1292 num_scbs = 0;
1293
1294 if (ahc_ext_scbram_present(ahc) == 0)
1295 goto done;
1296
1297 /*
1298 * Probe for the best parameters to use.
1299 */
1300 ahc_scbram_config(ahc, /*enable*/TRUE, pcheck, fast, large);
1301 num_scbs = ahc_probe_scbs(ahc);
1302 if (num_scbs == 0) {
1303 /* The SRAM wasn't really present. */
1304 goto done;
1305 }
1306 enable = TRUE;
1307
1308 /*
1309 * Clear any outstanding parity error
1310 * and ensure that parity error reporting
1311 * is enabled.
1312 */
1313 ahc_outb(ahc, SEQCTL, 0);
1314 ahc_outb(ahc, CLRINT, CLRPARERR);
1315 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1316
1317 /* Now see if we can do parity */
1318 ahc_scbram_config(ahc, enable, /*pcheck*/TRUE, fast, large);
1319 num_scbs = ahc_probe_scbs(ahc);
1320 if ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
1321 || (ahc_inb(ahc, ERROR) & MPARERR) == 0)
1322 pcheck = TRUE;
1323
1324 /* Clear any resulting parity error */
1325 ahc_outb(ahc, CLRINT, CLRPARERR);
1326 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1327
1328 /* Now see if we can do fast timing */
1329 ahc_scbram_config(ahc, enable, pcheck, /*fast*/TRUE, large);
1330 test_num_scbs = ahc_probe_scbs(ahc);
1331 if (test_num_scbs == num_scbs
1332 && ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
1333 || (ahc_inb(ahc, ERROR) & MPARERR) == 0))
1334 fast = TRUE;
1335
1336 /*
1337 * See if we can use large SCBs and still maintain
1338 * the same overall count of SCBs.
1339 */
1340 if ((ahc->features & AHC_LARGE_SCBS) != 0) {
1341 ahc_scbram_config(ahc, enable, pcheck, fast, /*large*/TRUE);
1342 test_num_scbs = ahc_probe_scbs(ahc);
1343 if (test_num_scbs >= num_scbs) {
1344 large = TRUE;
1345 num_scbs = test_num_scbs;
1346 if (num_scbs >= 64) {
1347 /*
1348 * We have enough space to move the
1349 * "busy targets table" into SCB space
1350 * and make it qualify all the way to the
1351 * lun level.
1352 */
1353 ahc->flags |= AHC_SCB_BTT;
1354 }
1355 }
1356 }
1357 done:
1358 /*
1359 * Disable parity error reporting until we
1360 * can load instruction ram.
1361 */
1362 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
1363 /* Clear any latched parity error */
1364 ahc_outb(ahc, CLRINT, CLRPARERR);
1365 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1366 if (1/*bootverbose*/ && enable) {
1367 printf("%s: External SRAM, %s access%s, %dbytes/SCB\n",
1368 ahc_name(ahc), fast ? "fast" : "slow",
1369 pcheck ? ", parity checking enabled" : "",
1370 large ? 64 : 32);
1371 }
1372 ahc_scbram_config(ahc, enable, pcheck, fast, large);
1373 }
1374
1375 #if 0
1376 /*
1377 * Perform some simple tests that should catch situations where
1378 * our registers are invalidly mapped.
1379 */
1380 static int
1381 ahc_pci_test_register_access(struct ahc_softc *ahc)
1382 {
1383 int error;
1384 u_int status1;
1385 uint32_t cmd;
1386 uint8_t hcntrl;
1387
1388 error = EIO;
1389
1390 /*
1391 * Enable PCI error interrupt status, but suppress NMIs
1392 * generated by SERR raised due to target aborts.
1393 */
1394 cmd = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND);
1395 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND,
1396 cmd & ~PCIM_CMD_SERRESPEN);
1397
1398 /*
1399 * First a simple test to see if any
1400 * registers can be read. Reading
1401 * HCNTRL has no side effects and has
1402 * at least one bit that is guaranteed to
1403 * be zero so it is a good register to
1404 * use for this test.
1405 */
1406 hcntrl = ahc_inb(ahc, HCNTRL);
1407 if (hcntrl == 0xFF)
1408 goto fail;
1409
1410 /*
1411 * Next create a situation where write combining
1412 * or read prefetching could be initiated by the
1413 * CPU or host bridge. Our device does not support
1414 * either, so look for data corruption and/or flagged
1415 * PCI errors.
1416 */
1417 ahc_outb(ahc, HCNTRL, hcntrl|PAUSE);
1418 while (ahc_is_paused(ahc) == 0)
1419 ;
1420 ahc_outb(ahc, SEQCTL, PERRORDIS);
1421 ahc_outb(ahc, SCBPTR, 0);
1422 ahc_outl(ahc, SCB_BASE, 0x5aa555aa);
1423 if (ahc_inl(ahc, SCB_BASE) != 0x5aa555aa)
1424 goto fail;
1425
1426 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1427 PCI_COMMAND_STATUS_REG + 1);
1428 if ((status1 & STA) != 0)
1429 goto fail;
1430
1431 error = 0;
1432
1433 fail:
1434 /* Silently clear any latched errors. */
1435 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1436 PCI_COMMAND_STATUS_REG + 1);
1437 ahc_pci_write_config(ahc->dev_softc, PCIR_STATUS + 1,
1438 status1, /*bytes*/1);
1439 ahc_outb(ahc, CLRINT, CLRPARERR);
1440 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
1441 ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, cmd, /*bytes*/2);
1442 return (error);
1443 }
1444 #endif
1445
1446 static void
1447 ahc_pci_intr(struct ahc_softc *ahc)
1448 {
1449 u_int error;
1450 u_int status1;
1451
1452 error = ahc_inb(ahc, ERROR);
1453 if ((error & PCIERRSTAT) == 0)
1454 return;
1455
1456 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1457 PCI_COMMAND_STATUS_REG);
1458
1459 printf("%s: PCI error Interrupt at seqaddr = 0x%x\n",
1460 ahc_name(ahc),
1461 ahc_inb(ahc, SEQADDR0) | (ahc_inb(ahc, SEQADDR1) << 8));
1462
1463 if (status1 & DPE) {
1464 printf("%s: Data Parity Error Detected during address "
1465 "or write data phase\n", ahc_name(ahc));
1466 }
1467 if (status1 & SSE) {
1468 printf("%s: Signal System Error Detected\n", ahc_name(ahc));
1469 }
1470 if (status1 & RMA) {
1471 printf("%s: Received a Master Abort\n", ahc_name(ahc));
1472 }
1473 if (status1 & RTA) {
1474 printf("%s: Received a Target Abort\n", ahc_name(ahc));
1475 }
1476 if (status1 & STA) {
1477 printf("%s: Signaled a Target Abort\n", ahc_name(ahc));
1478 }
1479 if (status1 & DPR) {
1480 printf("%s: Data Parity Error has been reported via PERR#\n",
1481 ahc_name(ahc));
1482 }
1483
1484 /* Clear latched errors. */
1485 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG,
1486 status1);
1487
1488 if ((status1 & (DPE|SSE|RMA|RTA|STA|DPR)) == 0) {
1489 printf("%s: Latched PCIERR interrupt with "
1490 "no status bits set\n", ahc_name(ahc));
1491 } else {
1492 ahc_outb(ahc, CLRINT, CLRPARERR);
1493 }
1494
1495 ahc_unpause(ahc);
1496 }
1497
1498 static int
1499 ahc_aic785X_setup(struct ahc_softc *ahc)
1500 {
1501 uint8_t rev;
1502
1503 ahc->channel = 'A';
1504 ahc->chip = AHC_AIC7850;
1505 ahc->features = AHC_AIC7850_FE;
1506 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1507 rev = PCI_REVISION(ahc->bd->class);
1508 if (rev >= 1)
1509 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1510 return (0);
1511 }
1512
1513 static int
1514 ahc_aic7860_setup(struct ahc_softc *ahc)
1515 {
1516 uint8_t rev;
1517
1518 ahc->channel = 'A';
1519 ahc->chip = AHC_AIC7860;
1520 ahc->features = AHC_AIC7860_FE;
1521 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1522 rev = PCI_REVISION(ahc->bd->class);
1523 if (rev >= 1)
1524 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1525 return (0);
1526 }
1527
1528 static int
1529 ahc_apa1480_setup(struct ahc_softc *ahc)
1530 {
1531 int error;
1532
1533 error = ahc_aic7860_setup(ahc);
1534 if (error != 0)
1535 return (error);
1536 ahc->features |= AHC_REMOVABLE;
1537 return (0);
1538 }
1539
1540 static int
1541 ahc_aic7870_setup(struct ahc_softc *ahc)
1542 {
1543
1544 ahc->channel = 'A';
1545 ahc->chip = AHC_AIC7870;
1546 ahc->features = AHC_AIC7870_FE;
1547 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1548 return (0);
1549 }
1550
1551 static int
1552 ahc_aha394X_setup(struct ahc_softc *ahc)
1553 {
1554 int error;
1555
1556 error = ahc_aic7870_setup(ahc);
1557 if (error == 0)
1558 error = ahc_aha394XX_setup(ahc);
1559 return (error);
1560 }
1561
1562 static int
1563 ahc_aha398X_setup(struct ahc_softc *ahc)
1564 {
1565 int error;
1566
1567 error = ahc_aic7870_setup(ahc);
1568 if (error == 0)
1569 error = ahc_aha398XX_setup(ahc);
1570 return (error);
1571 }
1572
1573 static int
1574 ahc_aha494X_setup(struct ahc_softc *ahc)
1575 {
1576 int error;
1577
1578 error = ahc_aic7870_setup(ahc);
1579 if (error == 0)
1580 error = ahc_aha494XX_setup(ahc);
1581 return (error);
1582 }
1583
1584 static int
1585 ahc_aic7880_setup(struct ahc_softc *ahc)
1586 {
1587 uint8_t rev;
1588
1589 ahc->channel = 'A';
1590 ahc->chip = AHC_AIC7880;
1591 ahc->features = AHC_AIC7880_FE;
1592 ahc->bugs |= AHC_TMODE_WIDEODD_BUG;
1593 rev = PCI_REVISION(ahc->bd->class);
1594 if (rev >= 1) {
1595 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1596 } else {
1597 ahc->bugs |= AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1598 }
1599 return (0);
1600 }
1601
1602 static int
1603 ahc_aha2940Pro_setup(struct ahc_softc *ahc)
1604 {
1605
1606 ahc->flags |= AHC_INT50_SPEEDFLEX;
1607 return (ahc_aic7880_setup(ahc));
1608 }
1609
1610 static int
1611 ahc_aha394XU_setup(struct ahc_softc *ahc)
1612 {
1613 int error;
1614
1615 error = ahc_aic7880_setup(ahc);
1616 if (error == 0)
1617 error = ahc_aha394XX_setup(ahc);
1618 return (error);
1619 }
1620
1621 static int
1622 ahc_aha398XU_setup(struct ahc_softc *ahc)
1623 {
1624 int error;
1625
1626 error = ahc_aic7880_setup(ahc);
1627 if (error == 0)
1628 error = ahc_aha398XX_setup(ahc);
1629 return (error);
1630 }
1631
1632 static int
1633 ahc_aic7890_setup(struct ahc_softc *ahc)
1634 {
1635 uint8_t rev;
1636
1637 ahc->channel = 'A';
1638 ahc->chip = AHC_AIC7890;
1639 ahc->features = AHC_AIC7890_FE;
1640 ahc->flags |= AHC_NEWEEPROM_FMT;
1641 rev = PCI_REVISION(ahc->bd->class);
1642 if (rev == 0)
1643 ahc->bugs |= AHC_AUTOFLUSH_BUG|AHC_CACHETHEN_BUG;
1644 return (0);
1645 }
1646
1647 static int
1648 ahc_aic7892_setup(struct ahc_softc *ahc)
1649 {
1650
1651 ahc->channel = 'A';
1652 ahc->chip = AHC_AIC7892;
1653 ahc->features = AHC_AIC7892_FE;
1654 ahc->flags |= AHC_NEWEEPROM_FMT;
1655 ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
1656 return (0);
1657 }
1658
1659 static int
1660 ahc_aic7895_setup(struct ahc_softc *ahc)
1661 {
1662 uint8_t rev;
1663
1664 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1665 /*
1666 * The 'C' revision of the aic7895 has a few additional features.
1667 */
1668 rev = PCI_REVISION(ahc->bd->class);
1669 if (rev >= 4) {
1670 ahc->chip = AHC_AIC7895C;
1671 ahc->features = AHC_AIC7895C_FE;
1672 } else {
1673 u_int command;
1674
1675 ahc->chip = AHC_AIC7895;
1676 ahc->features = AHC_AIC7895_FE;
1677
1678 /*
1679 * The BIOS disables the use of MWI transactions
1680 * since it does not have the MWI bug work around
1681 * we have. Disabling MWI reduces performance, so
1682 * turn it on again.
1683 */
1684 command = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1685 PCI_COMMAND_STATUS_REG);
1686 command |= PCI_COMMAND_INVALIDATE_ENABLE;
1687 pci_conf_write(ahc->bd->pc, ahc->bd->tag,
1688 PCI_COMMAND_STATUS_REG, command);
1689 ahc->bugs |= AHC_PCI_MWI_BUG;
1690 }
1691 /*
1692 * XXX Does CACHETHEN really not work??? What about PCI retry?
1693 * on C level chips. Need to test, but for now, play it safe.
1694 */
1695 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_PCI_2_1_RETRY_BUG
1696 | AHC_CACHETHEN_BUG;
1697
1698 #if 0
1699 uint32_t devconfig;
1700
1701 /*
1702 * Cachesize must also be zero due to stray DAC
1703 * problem when sitting behind some bridges.
1704 */
1705 pci_conf_write(ahc->bd->pc, ahc->bd->tag, CSIZE_LATTIME, 0);
1706 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1707 devconfig |= MRDCEN;
1708 pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig);
1709 #endif
1710 ahc->flags |= AHC_NEWEEPROM_FMT;
1711 return (0);
1712 }
1713
1714 static int
1715 ahc_aic7896_setup(struct ahc_softc *ahc)
1716 {
1717 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1718 ahc->chip = AHC_AIC7896;
1719 ahc->features = AHC_AIC7896_FE;
1720 ahc->flags |= AHC_NEWEEPROM_FMT;
1721 ahc->bugs |= AHC_CACHETHEN_DIS_BUG;
1722 return (0);
1723 }
1724
1725 static int
1726 ahc_aic7899_setup(struct ahc_softc *ahc)
1727 {
1728 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1729 ahc->chip = AHC_AIC7899;
1730 ahc->features = AHC_AIC7899_FE;
1731 ahc->flags |= AHC_NEWEEPROM_FMT;
1732 ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
1733 return (0);
1734 }
1735
1736 static int
1737 ahc_aha29160C_setup(struct ahc_softc *ahc)
1738 {
1739 int error;
1740
1741 error = ahc_aic7899_setup(ahc);
1742 if (error != 0)
1743 return (error);
1744 ahc->features |= AHC_REMOVABLE;
1745 return (0);
1746 }
1747
1748 static int
1749 ahc_raid_setup(struct ahc_softc *ahc)
1750 {
1751 aprint_normal_dev(&ahc->sc_dev, "RAID functionality unsupported\n");
1752 return (ENXIO);
1753 }
1754
1755 static int
1756 ahc_aha394XX_setup(struct ahc_softc *ahc)
1757 {
1758
1759 switch (ahc->bd->dev) {
1760 case AHC_394X_SLOT_CHANNEL_A:
1761 ahc->channel = 'A';
1762 break;
1763 case AHC_394X_SLOT_CHANNEL_B:
1764 ahc->channel = 'B';
1765 break;
1766 default:
1767 printf("adapter at unexpected slot %d\n"
1768 "unable to map to a channel\n",
1769 ahc->bd->dev);
1770 ahc->channel = 'A';
1771 }
1772 return (0);
1773 }
1774
1775 static int
1776 ahc_aha398XX_setup(struct ahc_softc *ahc)
1777 {
1778
1779 switch (ahc->bd->dev) {
1780 case AHC_398X_SLOT_CHANNEL_A:
1781 ahc->channel = 'A';
1782 break;
1783 case AHC_398X_SLOT_CHANNEL_B:
1784 ahc->channel = 'B';
1785 break;
1786 case AHC_398X_SLOT_CHANNEL_C:
1787 ahc->channel = 'C';
1788 break;
1789 default:
1790 printf("adapter at unexpected slot %d\n"
1791 "unable to map to a channel\n",
1792 ahc->bd->dev);
1793 ahc->channel = 'A';
1794 break;
1795 }
1796 ahc->flags |= AHC_LARGE_SEEPROM;
1797 return (0);
1798 }
1799
1800 static int
1801 ahc_aha494XX_setup(struct ahc_softc *ahc)
1802 {
1803
1804 switch (ahc->bd->dev) {
1805 case AHC_494X_SLOT_CHANNEL_A:
1806 ahc->channel = 'A';
1807 break;
1808 case AHC_494X_SLOT_CHANNEL_B:
1809 ahc->channel = 'B';
1810 break;
1811 case AHC_494X_SLOT_CHANNEL_C:
1812 ahc->channel = 'C';
1813 break;
1814 case AHC_494X_SLOT_CHANNEL_D:
1815 ahc->channel = 'D';
1816 break;
1817 default:
1818 printf("adapter at unexpected slot %d\n"
1819 "unable to map to a channel\n",
1820 ahc->bd->dev);
1821 ahc->channel = 'A';
1822 }
1823 ahc->flags |= AHC_LARGE_SEEPROM;
1824 return (0);
1825 }
1826