ahc_pci.c revision 1.66 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 1.66 2009/05/06 09:25:14 cegger 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 1.66 2009/05/06 09:25:14 cegger 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, cfdata_t 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->sc_dev = self;
788 ahc_set_name(ahc, device_xname(ahc->sc_dev));
789 ahc->parent_dmat = pa->pa_dmat;
790
791 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
792 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
793 entry = ahc_find_pci_device(pa->pa_id, subid, pa->pa_function);
794 if (entry == NULL)
795 return;
796 printf(": %s\n", entry->name);
797
798 /* Keep information about the PCI bus */
799 bd = malloc(sizeof (struct ahc_pci_busdata), M_DEVBUF, M_NOWAIT);
800 if (bd == NULL) {
801 printf("%s: unable to allocate bus-specific data\n",
802 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: bus info: memt 0x%lx, memh 0x%lx, iot 0x%lx, ioh 0x%lx\n",
841 ahc_name(ahc), (u_long)memt, (u_long)memh, (u_long)iot,
842 (u_long)ioh);
843 #endif
844
845 if (ioh_valid) {
846 st = iot;
847 sh = ioh;
848 #ifdef AHC_ALLOW_MEMIO
849 } else if (memh_valid) {
850 st = memt;
851 sh = memh;
852 #endif
853 } else {
854 printf(": unable to map registers\n");
855 return;
856 }
857 ahc->tag = st;
858 ahc->bsh = sh;
859
860 ahc->chip |= AHC_PCI;
861 /*
862 * Before we continue probing the card, ensure that
863 * its interrupts are *disabled*. We don't want
864 * a misstep to hang the machine in an interrupt
865 * storm.
866 */
867 ahc_intr_enable(ahc, FALSE);
868
869 /*
870 * XXX somehow reading this once fails on some sparc64 systems.
871 * This may be a problem in the sparc64 PCI code. Doing it
872 * twice works around it.
873 */
874 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
875 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
876
877 /*
878 * If we need to support high memory, enable dual
879 * address cycles. This bit must be set to enable
880 * high address bit generation even if we are on a
881 * 64bit bus (PCI64BIT set in devconfig).
882 */
883 if ((ahc->flags & AHC_39BIT_ADDRESSING) != 0) {
884
885 if (1/*bootverbose*/)
886 printf("%s: Enabling 39Bit Addressing\n",
887 ahc_name(ahc));
888 devconfig |= DACEN;
889 }
890
891 /* Ensure that pci error generation, a test feature, is disabled. */
892 devconfig |= PCIERRGENDIS;
893
894 pci_conf_write(pa->pa_pc, pa->pa_tag, DEVCONFIG, devconfig);
895
896 /* Ensure busmastering is enabled */
897 command |= PCI_COMMAND_MASTER_ENABLE;
898 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
899
900 /*
901 * Disable PCI parity error reporting. Users typically
902 * do this to work around broken PCI chipsets that get
903 * the parity timing wrong and thus generate lots of spurious
904 * errors.
905 */
906 if ((ahc->flags & AHC_DISABLE_PCI_PERR) != 0)
907 command &= ~PCI_COMMAND_PARITY_ENABLE;
908 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
909
910 /* On all PCI adapters, we allow SCB paging */
911 ahc->flags |= AHC_PAGESCBS;
912 error = ahc_softc_init(ahc);
913 if (error != 0)
914 goto error_out;
915
916 ahc->bus_intr = ahc_pci_intr;
917
918 /* Remember how the card was setup in case there is no SEEPROM */
919 if ((ahc_inb(ahc, HCNTRL) & POWRDN) == 0) {
920 ahc_pause(ahc);
921 if ((ahc->features & AHC_ULTRA2) != 0)
922 our_id = ahc_inb(ahc, SCSIID_ULTRA2) & OID;
923 else
924 our_id = ahc_inb(ahc, SCSIID) & OID;
925 sxfrctl1 = ahc_inb(ahc, SXFRCTL1) & STPWEN;
926 scsiseq = ahc_inb(ahc, SCSISEQ);
927 } else {
928 sxfrctl1 = STPWEN;
929 our_id = 7;
930 scsiseq = 0;
931 }
932
933 error = ahc_reset(ahc);
934 if (error != 0)
935 goto error_out;
936
937 if ((ahc->features & AHC_DT) != 0) {
938 u_int sfunct;
939
940 /* Perform ALT-Mode Setup */
941 sfunct = ahc_inb(ahc, SFUNCT) & ~ALT_MODE;
942 ahc_outb(ahc, SFUNCT, sfunct | ALT_MODE);
943 ahc_outb(ahc, OPTIONMODE,
944 OPTIONMODE_DEFAULTS|AUTOACKEN|BUSFREEREV|EXPPHASEDIS);
945 ahc_outb(ahc, SFUNCT, sfunct);
946
947 /* Normal mode setup */
948 ahc_outb(ahc, CRCCONTROL1, CRCVALCHKEN|CRCENDCHKEN|CRCREQCHKEN
949 |TARGCRCENDEN);
950 }
951
952 if (pci_intr_map(pa, &ih)) {
953 printf("%s: couldn't map interrupt\n", ahc_name(ahc));
954 ahc_free(ahc);
955 return;
956 }
957 intrstr = pci_intr_string(pa->pa_pc, ih);
958 ahc->ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, ahc_intr, ahc);
959 if (ahc->ih == NULL) {
960 aprint_error_dev(ahc->sc_dev,
961 "couldn't establish interrupt\n");
962 if (intrstr != NULL)
963 printf(" at %s", intrstr);
964 printf("\n");
965 ahc_free(ahc);
966 return;
967 }
968 if (intrstr != NULL)
969 printf("%s: interrupting at %s\n", ahc_name(ahc), intrstr);
970
971 dscommand0 = ahc_inb(ahc, DSCOMMAND0);
972 dscommand0 |= MPARCKEN|CACHETHEN;
973 if ((ahc->features & AHC_ULTRA2) != 0) {
974
975 /*
976 * DPARCKEN doesn't work correctly on
977 * some MBs so don't use it.
978 */
979 dscommand0 &= ~DPARCKEN;
980 }
981
982 /*
983 * Handle chips that must have cache line
984 * streaming (dis/en)abled.
985 */
986 if ((ahc->bugs & AHC_CACHETHEN_DIS_BUG) != 0)
987 dscommand0 |= CACHETHEN;
988
989 if ((ahc->bugs & AHC_CACHETHEN_BUG) != 0)
990 dscommand0 &= ~CACHETHEN;
991
992 ahc_outb(ahc, DSCOMMAND0, dscommand0);
993
994 ahc->pci_cachesize =
995 pci_conf_read(pa->pa_pc, pa->pa_tag, CSIZE_LATTIME) & CACHESIZE;
996 ahc->pci_cachesize *= 4;
997
998 if ((ahc->bugs & AHC_PCI_2_1_RETRY_BUG) != 0
999 && ahc->pci_cachesize == 4) {
1000 pci_conf_write(pa->pa_pc, pa->pa_tag, CSIZE_LATTIME, 0);
1001 ahc->pci_cachesize = 0;
1002 }
1003
1004 /*
1005 * We cannot perform ULTRA speeds without the presence
1006 * of the external precision resistor.
1007 * Allow override for the SGI O2 though, which has two onboard ahc
1008 * that fail here but are perfectly capable of ultra speeds.
1009 */
1010 override_ultra = FALSE;
1011 prop_dictionary_get_bool(device_properties(self),
1012 "aic7xxx-override-ultra", &override_ultra);
1013
1014 if (((ahc->features & AHC_ULTRA) != 0) && (!override_ultra)) {
1015 uint32_t dvconfig;
1016
1017 dvconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
1018 if ((dvconfig & REXTVALID) == 0)
1019 ahc->features &= ~AHC_ULTRA;
1020 }
1021
1022 ahc->seep_config = malloc(sizeof(*ahc->seep_config),
1023 M_DEVBUF, M_NOWAIT);
1024 if (ahc->seep_config == NULL)
1025 goto error_out;
1026
1027 memset(ahc->seep_config, 0, sizeof(*ahc->seep_config));
1028
1029 /* See if we have a SEEPROM and perform auto-term */
1030 ahc_check_extport(ahc, &sxfrctl1);
1031
1032 /*
1033 * Take the LED out of diagnostic mode
1034 */
1035 sblkctl = ahc_inb(ahc, SBLKCTL);
1036 ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON)));
1037
1038 if ((ahc->features & AHC_ULTRA2) != 0) {
1039 ahc_outb(ahc, DFF_THRSH, RD_DFTHRSH_MAX|WR_DFTHRSH_MAX);
1040 } else {
1041 ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100);
1042 }
1043
1044 if (ahc->flags & AHC_USEDEFAULTS) {
1045 /*
1046 * PCI Adapter default setup
1047 * Should only be used if the adapter does not have
1048 * a SEEPROM.
1049 */
1050 /* See if someone else set us up already */
1051 if ((ahc->flags & AHC_NO_BIOS_INIT) == 0
1052 && scsiseq != 0) {
1053 prop_bool_t usetd;
1054
1055 printf("%s: Using left over BIOS settings\n",
1056 ahc_name(ahc));
1057 ahc->flags &= ~AHC_USEDEFAULTS;
1058 /*
1059 * Ignore target device settings and use default
1060 * if BIOS initializes chip's SRAM with some
1061 * conservative settings (async, no tagged
1062 * queuing etc.) and machine dependent device
1063 * property is set.
1064 */
1065 usetd = prop_dictionary_get(
1066 device_properties(ahc->sc_dev),
1067 "aic7xxx-use-target-defaults");
1068 if (usetd != NULL) {
1069 KASSERT(prop_object_type(usetd) ==
1070 PROP_TYPE_BOOL);
1071 if (prop_bool_true(usetd))
1072 ahc->flags |= AHC_USETARGETDEFAULTS;
1073 }
1074 ahc->flags |= AHC_BIOS_ENABLED;
1075 } else {
1076 /*
1077 * Assume only one connector and always turn
1078 * on termination.
1079 */
1080 our_id = 0x07;
1081 sxfrctl1 = STPWEN;
1082 }
1083 ahc_outb(ahc, SCSICONF, our_id|ENSPCHK|RESET_SCSI);
1084
1085 ahc->our_id = our_id;
1086 }
1087
1088 /*
1089 * Take a look to see if we have external SRAM.
1090 * We currently do not attempt to use SRAM that is
1091 * shared among multiple controllers.
1092 */
1093 ahc_probe_ext_scbram(ahc);
1094
1095 /*
1096 * Record our termination setting for the
1097 * generic initialization routine.
1098 */
1099 if ((sxfrctl1 & STPWEN) != 0)
1100 ahc->flags |= AHC_TERM_ENB_A;
1101
1102 if (ahc_init(ahc))
1103 goto error_out;
1104
1105 pmf_device_register(self, ahc_pci_suspend, ahc_pci_resume);
1106 ahc_attach(ahc);
1107
1108 return;
1109
1110 error_out:
1111 ahc_free(ahc);
1112 return;
1113 }
1114
1115 /*
1116 * XXX we should call the real suspend and resume functions here
1117 * but for some reason ahc_suspend() panics on shutdown
1118 */
1119
1120 static bool
1121 ahc_pci_suspend(device_t dev PMF_FN_ARGS)
1122 {
1123 struct ahc_softc *sc = device_private(dev);
1124 #if 0
1125 return (ahc_suspend(sc) == 0);
1126 #else
1127 ahc_shutdown(sc);
1128 return true;
1129 #endif
1130 }
1131
1132 static bool
1133 ahc_pci_resume(device_t dev PMF_FN_ARGS)
1134 {
1135 #if 0
1136 struct ahc_softc *sc = device_private(dev);
1137
1138 return (ahc_resume(sc) == 0);
1139 #else
1140 return true;
1141 #endif
1142 }
1143
1144 CFATTACH_DECL_NEW(ahc_pci, sizeof(struct ahc_softc),
1145 ahc_pci_probe, ahc_pci_attach, NULL, NULL);
1146
1147 static int
1148 ahc_9005_subdevinfo_valid(uint16_t device, uint16_t vendor,
1149 uint16_t subdevice, uint16_t subvendor)
1150 {
1151 int result;
1152
1153 /* Default to invalid. */
1154 result = 0;
1155 if (vendor == 0x9005
1156 && subvendor == 0x9005
1157 && subdevice != device
1158 && SUBID_9005_TYPE_KNOWN(subdevice) != 0) {
1159
1160 switch (SUBID_9005_TYPE(subdevice)) {
1161 case SUBID_9005_TYPE_MB:
1162 break;
1163 case SUBID_9005_TYPE_CARD:
1164 case SUBID_9005_TYPE_LCCARD:
1165 /*
1166 * Currently only trust Adaptec cards to
1167 * get the sub device info correct.
1168 */
1169 if (DEVID_9005_TYPE(device) == DEVID_9005_TYPE_HBA)
1170 result = 1;
1171 break;
1172 case SUBID_9005_TYPE_RAID:
1173 break;
1174 default:
1175 break;
1176 }
1177 }
1178 return (result);
1179 }
1180
1181
1182 /*
1183 * Test for the presense of external sram in an
1184 * "unshared" configuration.
1185 */
1186 static int
1187 ahc_ext_scbram_present(struct ahc_softc *ahc)
1188 {
1189 u_int chip;
1190 int ramps;
1191 int single_user;
1192 uint32_t devconfig;
1193
1194 chip = ahc->chip & AHC_CHIPID_MASK;
1195 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1196 single_user = (devconfig & MPORTMODE) != 0;
1197
1198 if ((ahc->features & AHC_ULTRA2) != 0)
1199 ramps = (ahc_inb(ahc, DSCOMMAND0) & RAMPS) != 0;
1200 else if (chip == AHC_AIC7895 || chip == AHC_AIC7895C)
1201 /*
1202 * External SCBRAM arbitration is flakey
1203 * on these chips. Unfortunately this means
1204 * we don't use the extra SCB ram space on the
1205 * 3940AUW.
1206 */
1207 ramps = 0;
1208 else if (chip >= AHC_AIC7870)
1209 ramps = (devconfig & RAMPSM) != 0;
1210 else
1211 ramps = 0;
1212
1213 if (ramps && single_user)
1214 return (1);
1215 return (0);
1216 }
1217
1218 /*
1219 * Enable external scbram.
1220 */
1221 static void
1222 ahc_scbram_config(struct ahc_softc *ahc, int enable, int pcheck,
1223 int fast, int large)
1224 {
1225 uint32_t devconfig;
1226
1227 if (ahc->features & AHC_MULTI_FUNC) {
1228 /*
1229 * Set the SCB Base addr (highest address bit)
1230 * depending on which channel we are.
1231 */
1232 ahc_outb(ahc, SCBBADDR, ahc->bd->func);
1233 }
1234
1235 ahc->flags &= ~AHC_LSCBS_ENABLED;
1236 if (large)
1237 ahc->flags |= AHC_LSCBS_ENABLED;
1238 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1239 if ((ahc->features & AHC_ULTRA2) != 0) {
1240 u_int dscommand0;
1241
1242 dscommand0 = ahc_inb(ahc, DSCOMMAND0);
1243 if (enable)
1244 dscommand0 &= ~INTSCBRAMSEL;
1245 else
1246 dscommand0 |= INTSCBRAMSEL;
1247 if (large)
1248 dscommand0 &= ~USCBSIZE32;
1249 else
1250 dscommand0 |= USCBSIZE32;
1251 ahc_outb(ahc, DSCOMMAND0, dscommand0);
1252 } else {
1253 if (fast)
1254 devconfig &= ~EXTSCBTIME;
1255 else
1256 devconfig |= EXTSCBTIME;
1257 if (enable)
1258 devconfig &= ~SCBRAMSEL;
1259 else
1260 devconfig |= SCBRAMSEL;
1261 if (large)
1262 devconfig &= ~SCBSIZE32;
1263 else
1264 devconfig |= SCBSIZE32;
1265 }
1266 if (pcheck)
1267 devconfig |= EXTSCBPEN;
1268 else
1269 devconfig &= ~EXTSCBPEN;
1270
1271 pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig);
1272 }
1273
1274 /*
1275 * Take a look to see if we have external SRAM.
1276 * We currently do not attempt to use SRAM that is
1277 * shared among multiple controllers.
1278 */
1279 static void
1280 ahc_probe_ext_scbram(struct ahc_softc *ahc)
1281 {
1282 int num_scbs;
1283 int test_num_scbs;
1284 int enable;
1285 int pcheck;
1286 int fast;
1287 int large;
1288
1289 enable = FALSE;
1290 pcheck = FALSE;
1291 fast = FALSE;
1292 large = FALSE;
1293 num_scbs = 0;
1294
1295 if (ahc_ext_scbram_present(ahc) == 0)
1296 goto done;
1297
1298 /*
1299 * Probe for the best parameters to use.
1300 */
1301 ahc_scbram_config(ahc, /*enable*/TRUE, pcheck, fast, large);
1302 num_scbs = ahc_probe_scbs(ahc);
1303 if (num_scbs == 0) {
1304 /* The SRAM wasn't really present. */
1305 goto done;
1306 }
1307 enable = TRUE;
1308
1309 /*
1310 * Clear any outstanding parity error
1311 * and ensure that parity error reporting
1312 * is enabled.
1313 */
1314 ahc_outb(ahc, SEQCTL, 0);
1315 ahc_outb(ahc, CLRINT, CLRPARERR);
1316 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1317
1318 /* Now see if we can do parity */
1319 ahc_scbram_config(ahc, enable, /*pcheck*/TRUE, fast, large);
1320 num_scbs = ahc_probe_scbs(ahc);
1321 if ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
1322 || (ahc_inb(ahc, ERROR) & MPARERR) == 0)
1323 pcheck = TRUE;
1324
1325 /* Clear any resulting parity error */
1326 ahc_outb(ahc, CLRINT, CLRPARERR);
1327 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1328
1329 /* Now see if we can do fast timing */
1330 ahc_scbram_config(ahc, enable, pcheck, /*fast*/TRUE, large);
1331 test_num_scbs = ahc_probe_scbs(ahc);
1332 if (test_num_scbs == num_scbs
1333 && ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
1334 || (ahc_inb(ahc, ERROR) & MPARERR) == 0))
1335 fast = TRUE;
1336
1337 /*
1338 * See if we can use large SCBs and still maintain
1339 * the same overall count of SCBs.
1340 */
1341 if ((ahc->features & AHC_LARGE_SCBS) != 0) {
1342 ahc_scbram_config(ahc, enable, pcheck, fast, /*large*/TRUE);
1343 test_num_scbs = ahc_probe_scbs(ahc);
1344 if (test_num_scbs >= num_scbs) {
1345 large = TRUE;
1346 num_scbs = test_num_scbs;
1347 if (num_scbs >= 64) {
1348 /*
1349 * We have enough space to move the
1350 * "busy targets table" into SCB space
1351 * and make it qualify all the way to the
1352 * lun level.
1353 */
1354 ahc->flags |= AHC_SCB_BTT;
1355 }
1356 }
1357 }
1358 done:
1359 /*
1360 * Disable parity error reporting until we
1361 * can load instruction ram.
1362 */
1363 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
1364 /* Clear any latched parity error */
1365 ahc_outb(ahc, CLRINT, CLRPARERR);
1366 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1367 if (1/*bootverbose*/ && enable) {
1368 printf("%s: External SRAM, %s access%s, %dbytes/SCB\n",
1369 ahc_name(ahc), fast ? "fast" : "slow",
1370 pcheck ? ", parity checking enabled" : "",
1371 large ? 64 : 32);
1372 }
1373 ahc_scbram_config(ahc, enable, pcheck, fast, large);
1374 }
1375
1376 #if 0
1377 /*
1378 * Perform some simple tests that should catch situations where
1379 * our registers are invalidly mapped.
1380 */
1381 static int
1382 ahc_pci_test_register_access(struct ahc_softc *ahc)
1383 {
1384 int error;
1385 u_int status1;
1386 uint32_t cmd;
1387 uint8_t hcntrl;
1388
1389 error = EIO;
1390
1391 /*
1392 * Enable PCI error interrupt status, but suppress NMIs
1393 * generated by SERR raised due to target aborts.
1394 */
1395 cmd = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND);
1396 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND,
1397 cmd & ~PCIM_CMD_SERRESPEN);
1398
1399 /*
1400 * First a simple test to see if any
1401 * registers can be read. Reading
1402 * HCNTRL has no side effects and has
1403 * at least one bit that is guaranteed to
1404 * be zero so it is a good register to
1405 * use for this test.
1406 */
1407 hcntrl = ahc_inb(ahc, HCNTRL);
1408 if (hcntrl == 0xFF)
1409 goto fail;
1410
1411 /*
1412 * Next create a situation where write combining
1413 * or read prefetching could be initiated by the
1414 * CPU or host bridge. Our device does not support
1415 * either, so look for data corruption and/or flagged
1416 * PCI errors.
1417 */
1418 ahc_outb(ahc, HCNTRL, hcntrl|PAUSE);
1419 while (ahc_is_paused(ahc) == 0)
1420 ;
1421 ahc_outb(ahc, SEQCTL, PERRORDIS);
1422 ahc_outb(ahc, SCBPTR, 0);
1423 ahc_outl(ahc, SCB_BASE, 0x5aa555aa);
1424 if (ahc_inl(ahc, SCB_BASE) != 0x5aa555aa)
1425 goto fail;
1426
1427 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1428 PCI_COMMAND_STATUS_REG + 1);
1429 if ((status1 & STA) != 0)
1430 goto fail;
1431
1432 error = 0;
1433
1434 fail:
1435 /* Silently clear any latched errors. */
1436 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1437 PCI_COMMAND_STATUS_REG + 1);
1438 ahc_pci_write_config(ahc->dev_softc, PCIR_STATUS + 1,
1439 status1, /*bytes*/1);
1440 ahc_outb(ahc, CLRINT, CLRPARERR);
1441 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
1442 ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, cmd, /*bytes*/2);
1443 return (error);
1444 }
1445 #endif
1446
1447 static void
1448 ahc_pci_intr(struct ahc_softc *ahc)
1449 {
1450 u_int error;
1451 u_int status1;
1452
1453 error = ahc_inb(ahc, ERROR);
1454 if ((error & PCIERRSTAT) == 0)
1455 return;
1456
1457 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1458 PCI_COMMAND_STATUS_REG);
1459
1460 printf("%s: PCI error Interrupt at seqaddr = 0x%x\n",
1461 ahc_name(ahc),
1462 ahc_inb(ahc, SEQADDR0) | (ahc_inb(ahc, SEQADDR1) << 8));
1463
1464 if (status1 & DPE) {
1465 printf("%s: Data Parity Error Detected during address "
1466 "or write data phase\n", ahc_name(ahc));
1467 }
1468 if (status1 & SSE) {
1469 printf("%s: Signal System Error Detected\n", ahc_name(ahc));
1470 }
1471 if (status1 & RMA) {
1472 printf("%s: Received a Master Abort\n", ahc_name(ahc));
1473 }
1474 if (status1 & RTA) {
1475 printf("%s: Received a Target Abort\n", ahc_name(ahc));
1476 }
1477 if (status1 & STA) {
1478 printf("%s: Signaled a Target Abort\n", ahc_name(ahc));
1479 }
1480 if (status1 & DPR) {
1481 printf("%s: Data Parity Error has been reported via PERR#\n",
1482 ahc_name(ahc));
1483 }
1484
1485 /* Clear latched errors. */
1486 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG,
1487 status1);
1488
1489 if ((status1 & (DPE|SSE|RMA|RTA|STA|DPR)) == 0) {
1490 printf("%s: Latched PCIERR interrupt with "
1491 "no status bits set\n", ahc_name(ahc));
1492 } else {
1493 ahc_outb(ahc, CLRINT, CLRPARERR);
1494 }
1495
1496 ahc_unpause(ahc);
1497 }
1498
1499 static int
1500 ahc_aic785X_setup(struct ahc_softc *ahc)
1501 {
1502 uint8_t rev;
1503
1504 ahc->channel = 'A';
1505 ahc->chip = AHC_AIC7850;
1506 ahc->features = AHC_AIC7850_FE;
1507 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1508 rev = PCI_REVISION(ahc->bd->class);
1509 if (rev >= 1)
1510 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1511 return (0);
1512 }
1513
1514 static int
1515 ahc_aic7860_setup(struct ahc_softc *ahc)
1516 {
1517 uint8_t rev;
1518
1519 ahc->channel = 'A';
1520 ahc->chip = AHC_AIC7860;
1521 ahc->features = AHC_AIC7860_FE;
1522 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1523 rev = PCI_REVISION(ahc->bd->class);
1524 if (rev >= 1)
1525 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1526 return (0);
1527 }
1528
1529 static int
1530 ahc_apa1480_setup(struct ahc_softc *ahc)
1531 {
1532 int error;
1533
1534 error = ahc_aic7860_setup(ahc);
1535 if (error != 0)
1536 return (error);
1537 ahc->features |= AHC_REMOVABLE;
1538 return (0);
1539 }
1540
1541 static int
1542 ahc_aic7870_setup(struct ahc_softc *ahc)
1543 {
1544
1545 ahc->channel = 'A';
1546 ahc->chip = AHC_AIC7870;
1547 ahc->features = AHC_AIC7870_FE;
1548 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1549 return (0);
1550 }
1551
1552 static int
1553 ahc_aha394X_setup(struct ahc_softc *ahc)
1554 {
1555 int error;
1556
1557 error = ahc_aic7870_setup(ahc);
1558 if (error == 0)
1559 error = ahc_aha394XX_setup(ahc);
1560 return (error);
1561 }
1562
1563 static int
1564 ahc_aha398X_setup(struct ahc_softc *ahc)
1565 {
1566 int error;
1567
1568 error = ahc_aic7870_setup(ahc);
1569 if (error == 0)
1570 error = ahc_aha398XX_setup(ahc);
1571 return (error);
1572 }
1573
1574 static int
1575 ahc_aha494X_setup(struct ahc_softc *ahc)
1576 {
1577 int error;
1578
1579 error = ahc_aic7870_setup(ahc);
1580 if (error == 0)
1581 error = ahc_aha494XX_setup(ahc);
1582 return (error);
1583 }
1584
1585 static int
1586 ahc_aic7880_setup(struct ahc_softc *ahc)
1587 {
1588 uint8_t rev;
1589
1590 ahc->channel = 'A';
1591 ahc->chip = AHC_AIC7880;
1592 ahc->features = AHC_AIC7880_FE;
1593 ahc->bugs |= AHC_TMODE_WIDEODD_BUG;
1594 rev = PCI_REVISION(ahc->bd->class);
1595 if (rev >= 1) {
1596 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1597 } else {
1598 ahc->bugs |= AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1599 }
1600 return (0);
1601 }
1602
1603 static int
1604 ahc_aha2940Pro_setup(struct ahc_softc *ahc)
1605 {
1606
1607 ahc->flags |= AHC_INT50_SPEEDFLEX;
1608 return (ahc_aic7880_setup(ahc));
1609 }
1610
1611 static int
1612 ahc_aha394XU_setup(struct ahc_softc *ahc)
1613 {
1614 int error;
1615
1616 error = ahc_aic7880_setup(ahc);
1617 if (error == 0)
1618 error = ahc_aha394XX_setup(ahc);
1619 return (error);
1620 }
1621
1622 static int
1623 ahc_aha398XU_setup(struct ahc_softc *ahc)
1624 {
1625 int error;
1626
1627 error = ahc_aic7880_setup(ahc);
1628 if (error == 0)
1629 error = ahc_aha398XX_setup(ahc);
1630 return (error);
1631 }
1632
1633 static int
1634 ahc_aic7890_setup(struct ahc_softc *ahc)
1635 {
1636 uint8_t rev;
1637
1638 ahc->channel = 'A';
1639 ahc->chip = AHC_AIC7890;
1640 ahc->features = AHC_AIC7890_FE;
1641 ahc->flags |= AHC_NEWEEPROM_FMT;
1642 rev = PCI_REVISION(ahc->bd->class);
1643 if (rev == 0)
1644 ahc->bugs |= AHC_AUTOFLUSH_BUG|AHC_CACHETHEN_BUG;
1645 return (0);
1646 }
1647
1648 static int
1649 ahc_aic7892_setup(struct ahc_softc *ahc)
1650 {
1651
1652 ahc->channel = 'A';
1653 ahc->chip = AHC_AIC7892;
1654 ahc->features = AHC_AIC7892_FE;
1655 ahc->flags |= AHC_NEWEEPROM_FMT;
1656 ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
1657 return (0);
1658 }
1659
1660 static int
1661 ahc_aic7895_setup(struct ahc_softc *ahc)
1662 {
1663 uint8_t rev;
1664
1665 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1666 /*
1667 * The 'C' revision of the aic7895 has a few additional features.
1668 */
1669 rev = PCI_REVISION(ahc->bd->class);
1670 if (rev >= 4) {
1671 ahc->chip = AHC_AIC7895C;
1672 ahc->features = AHC_AIC7895C_FE;
1673 } else {
1674 u_int command;
1675
1676 ahc->chip = AHC_AIC7895;
1677 ahc->features = AHC_AIC7895_FE;
1678
1679 /*
1680 * The BIOS disables the use of MWI transactions
1681 * since it does not have the MWI bug work around
1682 * we have. Disabling MWI reduces performance, so
1683 * turn it on again.
1684 */
1685 command = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1686 PCI_COMMAND_STATUS_REG);
1687 command |= PCI_COMMAND_INVALIDATE_ENABLE;
1688 pci_conf_write(ahc->bd->pc, ahc->bd->tag,
1689 PCI_COMMAND_STATUS_REG, command);
1690 ahc->bugs |= AHC_PCI_MWI_BUG;
1691 }
1692 /*
1693 * XXX Does CACHETHEN really not work??? What about PCI retry?
1694 * on C level chips. Need to test, but for now, play it safe.
1695 */
1696 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_PCI_2_1_RETRY_BUG
1697 | AHC_CACHETHEN_BUG;
1698
1699 #if 0
1700 uint32_t devconfig;
1701
1702 /*
1703 * Cachesize must also be zero due to stray DAC
1704 * problem when sitting behind some bridges.
1705 */
1706 pci_conf_write(ahc->bd->pc, ahc->bd->tag, CSIZE_LATTIME, 0);
1707 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1708 devconfig |= MRDCEN;
1709 pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig);
1710 #endif
1711 ahc->flags |= AHC_NEWEEPROM_FMT;
1712 return (0);
1713 }
1714
1715 static int
1716 ahc_aic7896_setup(struct ahc_softc *ahc)
1717 {
1718 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1719 ahc->chip = AHC_AIC7896;
1720 ahc->features = AHC_AIC7896_FE;
1721 ahc->flags |= AHC_NEWEEPROM_FMT;
1722 ahc->bugs |= AHC_CACHETHEN_DIS_BUG;
1723 return (0);
1724 }
1725
1726 static int
1727 ahc_aic7899_setup(struct ahc_softc *ahc)
1728 {
1729 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1730 ahc->chip = AHC_AIC7899;
1731 ahc->features = AHC_AIC7899_FE;
1732 ahc->flags |= AHC_NEWEEPROM_FMT;
1733 ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
1734 return (0);
1735 }
1736
1737 static int
1738 ahc_aha29160C_setup(struct ahc_softc *ahc)
1739 {
1740 int error;
1741
1742 error = ahc_aic7899_setup(ahc);
1743 if (error != 0)
1744 return (error);
1745 ahc->features |= AHC_REMOVABLE;
1746 return (0);
1747 }
1748
1749 static int
1750 ahc_raid_setup(struct ahc_softc *ahc)
1751 {
1752 aprint_normal_dev(ahc->sc_dev, "RAID functionality unsupported\n");
1753 return (ENXIO);
1754 }
1755
1756 static int
1757 ahc_aha394XX_setup(struct ahc_softc *ahc)
1758 {
1759
1760 switch (ahc->bd->dev) {
1761 case AHC_394X_SLOT_CHANNEL_A:
1762 ahc->channel = 'A';
1763 break;
1764 case AHC_394X_SLOT_CHANNEL_B:
1765 ahc->channel = 'B';
1766 break;
1767 default:
1768 printf("adapter at unexpected slot %d\n"
1769 "unable to map to a channel\n",
1770 ahc->bd->dev);
1771 ahc->channel = 'A';
1772 }
1773 return (0);
1774 }
1775
1776 static int
1777 ahc_aha398XX_setup(struct ahc_softc *ahc)
1778 {
1779
1780 switch (ahc->bd->dev) {
1781 case AHC_398X_SLOT_CHANNEL_A:
1782 ahc->channel = 'A';
1783 break;
1784 case AHC_398X_SLOT_CHANNEL_B:
1785 ahc->channel = 'B';
1786 break;
1787 case AHC_398X_SLOT_CHANNEL_C:
1788 ahc->channel = 'C';
1789 break;
1790 default:
1791 printf("adapter at unexpected slot %d\n"
1792 "unable to map to a channel\n",
1793 ahc->bd->dev);
1794 ahc->channel = 'A';
1795 break;
1796 }
1797 ahc->flags |= AHC_LARGE_SEEPROM;
1798 return (0);
1799 }
1800
1801 static int
1802 ahc_aha494XX_setup(struct ahc_softc *ahc)
1803 {
1804
1805 switch (ahc->bd->dev) {
1806 case AHC_494X_SLOT_CHANNEL_A:
1807 ahc->channel = 'A';
1808 break;
1809 case AHC_494X_SLOT_CHANNEL_B:
1810 ahc->channel = 'B';
1811 break;
1812 case AHC_494X_SLOT_CHANNEL_C:
1813 ahc->channel = 'C';
1814 break;
1815 case AHC_494X_SLOT_CHANNEL_D:
1816 ahc->channel = 'D';
1817 break;
1818 default:
1819 printf("adapter at unexpected slot %d\n"
1820 "unable to map to a channel\n",
1821 ahc->bd->dev);
1822 ahc->channel = 'A';
1823 }
1824 ahc->flags |= AHC_LARGE_SEEPROM;
1825 return (0);
1826 }
1827