ahc_pci.c revision 1.44 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 1.44 2004/01/13 14:07:09 augustss 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 1.44 2004/01/13 14:07:09 augustss Exp $");
54
55 #include <sys/param.h>
56 #include <sys/systm.h>
57 #include <sys/malloc.h>
58 #include <sys/kernel.h>
59 #include <sys/queue.h>
60 #include <sys/device.h>
61 #include <sys/reboot.h>
62
63 #include <machine/bus.h>
64 #include <machine/intr.h>
65
66 #include <dev/pci/pcireg.h>
67 #include <dev/pci/pcivar.h>
68
69 #define AHC_PCI_IOADDR PCI_MAPREG_START /* I/O Address */
70 #define AHC_PCI_MEMADDR (PCI_MAPREG_START + 4) /* Mem I/O Address */
71
72 #include <dev/ic/aic7xxx_osm.h>
73 #include <dev/ic/aic7xxx_inline.h>
74
75 #include <dev/ic/smc93cx6var.h>
76
77
78 static __inline uint64_t
79 ahc_compose_id(u_int device, u_int vendor, u_int subdevice, u_int subvendor)
80 {
81 uint64_t id;
82
83 id = subvendor
84 | (subdevice << 16)
85 | ((uint64_t)vendor << 32)
86 | ((uint64_t)device << 48);
87
88 return (id);
89 }
90
91 #define ID_ALL_MASK 0xFFFFFFFFFFFFFFFFull
92 #define ID_DEV_VENDOR_MASK 0xFFFFFFFF00000000ull
93 #define ID_9005_GENERIC_MASK 0xFFF0FFFF00000000ull
94 #define ID_9005_SISL_MASK 0x000FFFFF00000000ull
95 #define ID_9005_SISL_ID 0x0005900500000000ull
96 #define ID_AIC7850 0x5078900400000000ull
97 #define ID_AHA_2902_04_10_15_20_30C 0x5078900478509004ull
98 #define ID_AIC7855 0x5578900400000000ull
99 #define ID_AIC7859 0x3860900400000000ull
100 #define ID_AHA_2930CU 0x3860900438699004ull
101 #define ID_AIC7860 0x6078900400000000ull
102 #define ID_AIC7860C 0x6078900478609004ull
103 #define ID_AHA_1480A 0x6075900400000000ull
104 #define ID_AHA_2940AU_0 0x6178900400000000ull
105 #define ID_AHA_2940AU_1 0x6178900478619004ull
106 #define ID_AHA_2940AU_CN 0x2178900478219004ull
107 #define ID_AHA_2930C_VAR 0x6038900438689004ull
108
109 #define ID_AIC7870 0x7078900400000000ull
110 #define ID_AHA_2940 0x7178900400000000ull
111 #define ID_AHA_3940 0x7278900400000000ull
112 #define ID_AHA_398X 0x7378900400000000ull
113 #define ID_AHA_2944 0x7478900400000000ull
114 #define ID_AHA_3944 0x7578900400000000ull
115 #define ID_AHA_4944 0x7678900400000000ull
116
117 #define ID_AIC7880 0x8078900400000000ull
118 #define ID_AIC7880_B 0x8078900478809004ull
119 #define ID_AHA_2940U 0x8178900400000000ull
120 #define ID_AHA_3940U 0x8278900400000000ull
121 #define ID_AHA_2944U 0x8478900400000000ull
122 #define ID_AHA_3944U 0x8578900400000000ull
123 #define ID_AHA_398XU 0x8378900400000000ull
124 #define ID_AHA_4944U 0x8678900400000000ull
125 #define ID_AHA_2940UB 0x8178900478819004ull
126 #define ID_AHA_2930U 0x8878900478889004ull
127 #define ID_AHA_2940U_PRO 0x8778900478879004ull
128 #define ID_AHA_2940U_CN 0x0078900478009004ull
129
130 #define ID_AIC7895 0x7895900478959004ull
131 #define ID_AIC7895_ARO 0x7890900478939004ull
132 #define ID_AIC7895_ARO_MASK 0xFFF0FFFFFFFFFFFFull
133 #define ID_AHA_2940U_DUAL 0x7895900478919004ull
134 #define ID_AHA_3940AU 0x7895900478929004ull
135 #define ID_AHA_3944AU 0x7895900478949004ull
136
137 #define ID_AIC7890 0x001F9005000F9005ull
138 #define ID_AIC7890_ARO 0x00139005000F9005ull
139 #define ID_AAA_131U2 0x0013900500039005ull
140 #define ID_AHA_2930U2 0x0011900501819005ull
141 #define ID_AHA_2940U2B 0x00109005A1009005ull
142 #define ID_AHA_2940U2_OEM 0x0010900521809005ull
143 #define ID_AHA_2940U2 0x00109005A1809005ull
144 #define ID_AHA_2950U2B 0x00109005E1009005ull
145
146 #define ID_AIC7892 0x008F9005FFFF9005ull
147 #define ID_AIC7892_ARO 0x00839005FFFF9005ull
148 #define ID_AHA_2915LP 0x0082900502109005ull
149 #define ID_AHA_29160 0x00809005E2A09005ull
150 #define ID_AHA_29160_CPQ 0x00809005E2A00E11ull
151 #define ID_AHA_29160N 0x0080900562A09005ull
152 #define ID_AHA_29160C 0x0080900562209005ull
153 #define ID_AHA_29160B 0x00809005E2209005ull
154 #define ID_AHA_19160B 0x0081900562A19005ull
155
156 #define ID_AIC7896 0x005F9005FFFF9005ull
157 #define ID_AIC7896_ARO 0x00539005FFFF9005ull
158 #define ID_AHA_3950U2B_0 0x00509005FFFF9005ull
159 #define ID_AHA_3950U2B_1 0x00509005F5009005ull
160 #define ID_AHA_3950U2D_0 0x00519005FFFF9005ull
161 #define ID_AHA_3950U2D_1 0x00519005B5009005ull
162
163 #define ID_AIC7899 0x00CF9005FFFF9005ull
164 #define ID_AIC7899_ARO 0x00C39005FFFF9005ull
165 #define ID_AHA_3960D 0x00C09005F6209005ull
166 #define ID_AHA_3960D_CPQ 0x00C09005F6200E11ull
167
168 #define ID_AIC7810 0x1078900400000000ull
169 #define ID_AIC7815 0x7815900400000000ull
170
171 #define DEVID_9005_TYPE(id) ((id) & 0xF)
172 #define DEVID_9005_TYPE_HBA 0x0 /* Standard Card */
173 #define DEVID_9005_TYPE_AAA 0x3 /* RAID Card */
174 #define DEVID_9005_TYPE_SISL 0x5 /* Container ROMB */
175 #define DEVID_9005_TYPE_MB 0xF /* On Motherboard */
176
177 #define DEVID_9005_MAXRATE(id) (((id) & 0x30) >> 4)
178 #define DEVID_9005_MAXRATE_U160 0x0
179 #define DEVID_9005_MAXRATE_ULTRA2 0x1
180 #define DEVID_9005_MAXRATE_ULTRA 0x2
181 #define DEVID_9005_MAXRATE_FAST 0x3
182
183 #define DEVID_9005_MFUNC(id) (((id) & 0x40) >> 6)
184
185 #define DEVID_9005_CLASS(id) (((id) & 0xFF00) >> 8)
186 #define DEVID_9005_CLASS_SPI 0x0 /* Parallel SCSI */
187
188 #define SUBID_9005_TYPE(id) ((id) & 0xF)
189 #define SUBID_9005_TYPE_MB 0xF /* On Motherboard */
190 #define SUBID_9005_TYPE_CARD 0x0 /* Standard Card */
191 #define SUBID_9005_TYPE_LCCARD 0x1 /* Low Cost Card */
192 #define SUBID_9005_TYPE_RAID 0x3 /* Combined with Raid */
193
194 #define SUBID_9005_TYPE_KNOWN(id) \
195 ((((id) & 0xF) == SUBID_9005_TYPE_MB) \
196 || (((id) & 0xF) == SUBID_9005_TYPE_CARD) \
197 || (((id) & 0xF) == SUBID_9005_TYPE_LCCARD) \
198 || (((id) & 0xF) == SUBID_9005_TYPE_RAID))
199
200 #define SUBID_9005_MAXRATE(id) (((id) & 0x30) >> 4)
201 #define SUBID_9005_MAXRATE_ULTRA2 0x0
202 #define SUBID_9005_MAXRATE_ULTRA 0x1
203 #define SUBID_9005_MAXRATE_U160 0x2
204 #define SUBID_9005_MAXRATE_RESERVED 0x3
205
206 #define SUBID_9005_SEEPTYPE(id) \
207 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
208 ? ((id) & 0xC0) >> 6 \
209 : ((id) & 0x300) >> 8)
210 #define SUBID_9005_SEEPTYPE_NONE 0x0
211 #define SUBID_9005_SEEPTYPE_1K 0x1
212 #define SUBID_9005_SEEPTYPE_2K_4K 0x2
213 #define SUBID_9005_SEEPTYPE_RESERVED 0x3
214 #define SUBID_9005_AUTOTERM(id) \
215 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
216 ? (((id) & 0x400) >> 10) == 0 \
217 : (((id) & 0x40) >> 6) == 0)
218
219 #define SUBID_9005_NUMCHAN(id) \
220 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
221 ? ((id) & 0x300) >> 8 \
222 : ((id) & 0xC00) >> 10)
223
224 #define SUBID_9005_LEGACYCONN(id) \
225 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
226 ? 0 \
227 : ((id) & 0x80) >> 7)
228
229 #define SUBID_9005_MFUNCENB(id) \
230 ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \
231 ? ((id) & 0x800) >> 11 \
232 : ((id) & 0x1000) >> 12)
233 /*
234 * Informational only. Should use chip register to be
235 * certain, but may be use in identification strings.
236 */
237 #define SUBID_9005_CARD_SCSIWIDTH_MASK 0x2000
238 #define SUBID_9005_CARD_PCIWIDTH_MASK 0x4000
239 #define SUBID_9005_CARD_SEDIFF_MASK 0x8000
240
241 static ahc_device_setup_t ahc_aic785X_setup;
242 static ahc_device_setup_t ahc_aic7860_setup;
243 static ahc_device_setup_t ahc_apa1480_setup;
244 static ahc_device_setup_t ahc_aic7870_setup;
245 static ahc_device_setup_t ahc_aha394X_setup;
246 static ahc_device_setup_t ahc_aha494X_setup;
247 static ahc_device_setup_t ahc_aha398X_setup;
248 static ahc_device_setup_t ahc_aic7880_setup;
249 static ahc_device_setup_t ahc_aha2940Pro_setup;
250 static ahc_device_setup_t ahc_aha394XU_setup;
251 static ahc_device_setup_t ahc_aha398XU_setup;
252 static ahc_device_setup_t ahc_aic7890_setup;
253 static ahc_device_setup_t ahc_aic7892_setup;
254 static ahc_device_setup_t ahc_aic7895_setup;
255 static ahc_device_setup_t ahc_aic7896_setup;
256 static ahc_device_setup_t ahc_aic7899_setup;
257 static ahc_device_setup_t ahc_aha29160C_setup;
258 static ahc_device_setup_t ahc_raid_setup;
259 static ahc_device_setup_t ahc_aha394XX_setup;
260 static ahc_device_setup_t ahc_aha494XX_setup;
261 static ahc_device_setup_t ahc_aha398XX_setup;
262
263 struct ahc_pci_identity ahc_pci_ident_table [] =
264 {
265 /* aic7850 based controllers */
266 {
267 ID_AHA_2902_04_10_15_20_30C,
268 ID_ALL_MASK,
269 "Adaptec 2902/04/10/15/20/30C SCSI adapter",
270 ahc_aic785X_setup
271 },
272 /* aic7860 based controllers */
273 {
274 ID_AHA_2930CU,
275 ID_ALL_MASK,
276 "Adaptec 2930CU SCSI adapter",
277 ahc_aic7860_setup
278 },
279 {
280 ID_AHA_1480A & ID_DEV_VENDOR_MASK,
281 ID_DEV_VENDOR_MASK,
282 "Adaptec 1480A Ultra SCSI adapter",
283 ahc_apa1480_setup
284 },
285 {
286 ID_AHA_2940AU_0 & ID_DEV_VENDOR_MASK,
287 ID_DEV_VENDOR_MASK,
288 "Adaptec 2940A Ultra SCSI adapter",
289 ahc_aic7860_setup
290 },
291 {
292 ID_AHA_2940AU_CN & ID_DEV_VENDOR_MASK,
293 ID_DEV_VENDOR_MASK,
294 "Adaptec 2940A/CN Ultra SCSI adapter",
295 ahc_aic7860_setup
296 },
297 {
298 ID_AHA_2930C_VAR & ID_DEV_VENDOR_MASK,
299 ID_DEV_VENDOR_MASK,
300 "Adaptec 2930C Ultra SCSI adapter (VAR)",
301 ahc_aic7860_setup
302 },
303 /* aic7870 based controllers */
304 {
305 ID_AHA_2940,
306 ID_ALL_MASK,
307 "Adaptec 2940 SCSI adapter",
308 ahc_aic7870_setup
309 },
310 {
311 ID_AHA_3940,
312 ID_ALL_MASK,
313 "Adaptec 3940 SCSI adapter",
314 ahc_aha394X_setup
315 },
316 {
317 ID_AHA_398X,
318 ID_ALL_MASK,
319 "Adaptec 398X SCSI RAID adapter",
320 ahc_aha398X_setup
321 },
322 {
323 ID_AHA_2944,
324 ID_ALL_MASK,
325 "Adaptec 2944 SCSI adapter",
326 ahc_aic7870_setup
327 },
328 {
329 ID_AHA_3944,
330 ID_ALL_MASK,
331 "Adaptec 3944 SCSI adapter",
332 ahc_aha394X_setup
333 },
334 {
335 ID_AHA_4944,
336 ID_ALL_MASK,
337 "Adaptec 4944 SCSI adapter",
338 ahc_aha494X_setup
339 },
340 /* aic7880 based controllers */
341 {
342 ID_AHA_2940U & ID_DEV_VENDOR_MASK,
343 ID_DEV_VENDOR_MASK,
344 "Adaptec 2940 Ultra SCSI adapter",
345 ahc_aic7880_setup
346 },
347 {
348 ID_AHA_3940U & ID_DEV_VENDOR_MASK,
349 ID_DEV_VENDOR_MASK,
350 "Adaptec 3940 Ultra SCSI adapter",
351 ahc_aha394XU_setup
352 },
353 {
354 ID_AHA_2944U & ID_DEV_VENDOR_MASK,
355 ID_DEV_VENDOR_MASK,
356 "Adaptec 2944 Ultra SCSI adapter",
357 ahc_aic7880_setup
358 },
359 {
360 ID_AHA_3944U & ID_DEV_VENDOR_MASK,
361 ID_DEV_VENDOR_MASK,
362 "Adaptec 3944 Ultra SCSI adapter",
363 ahc_aha394XU_setup
364 },
365 {
366 ID_AHA_398XU & ID_DEV_VENDOR_MASK,
367 ID_DEV_VENDOR_MASK,
368 "Adaptec 398X Ultra SCSI RAID adapter",
369 ahc_aha398XU_setup
370 },
371 {
372 /*
373 * XXX Don't know the slot numbers
374 * so we can't identify channels
375 */
376 ID_AHA_4944U & ID_DEV_VENDOR_MASK,
377 ID_DEV_VENDOR_MASK,
378 "Adaptec 4944 Ultra SCSI adapter",
379 ahc_aic7880_setup
380 },
381 {
382 ID_AHA_2930U & ID_DEV_VENDOR_MASK,
383 ID_DEV_VENDOR_MASK,
384 "Adaptec 2930 Ultra SCSI adapter",
385 ahc_aic7880_setup
386 },
387 {
388 ID_AHA_2940U_PRO & ID_DEV_VENDOR_MASK,
389 ID_DEV_VENDOR_MASK,
390 "Adaptec 2940 Pro Ultra SCSI adapter",
391 ahc_aha2940Pro_setup
392 },
393 {
394 ID_AHA_2940U_CN & ID_DEV_VENDOR_MASK,
395 ID_DEV_VENDOR_MASK,
396 "Adaptec 2940/CN Ultra SCSI adapter",
397 ahc_aic7880_setup
398 },
399 /* Ignore all SISL (AAC on MB) based controllers. */
400 {
401 ID_9005_SISL_ID,
402 ID_9005_SISL_MASK,
403 NULL,
404 NULL
405 },
406 /* aic7890 based controllers */
407 {
408 ID_AHA_2930U2,
409 ID_ALL_MASK,
410 "Adaptec 2930 Ultra2 SCSI adapter",
411 ahc_aic7890_setup
412 },
413 {
414 ID_AHA_2940U2B,
415 ID_ALL_MASK,
416 "Adaptec 2940B Ultra2 SCSI adapter",
417 ahc_aic7890_setup
418 },
419 {
420 ID_AHA_2940U2_OEM,
421 ID_ALL_MASK,
422 "Adaptec 2940 Ultra2 SCSI adapter (OEM)",
423 ahc_aic7890_setup
424 },
425 {
426 ID_AHA_2940U2,
427 ID_ALL_MASK,
428 "Adaptec 2940 Ultra2 SCSI adapter",
429 ahc_aic7890_setup
430 },
431 {
432 ID_AHA_2950U2B,
433 ID_ALL_MASK,
434 "Adaptec 2950 Ultra2 SCSI adapter",
435 ahc_aic7890_setup
436 },
437 {
438 ID_AIC7890_ARO,
439 ID_ALL_MASK,
440 "Adaptec aic7890/91 Ultra2 SCSI adapter (ARO)",
441 ahc_aic7890_setup
442 },
443 {
444 ID_AAA_131U2,
445 ID_ALL_MASK,
446 "Adaptec AAA-131 Ultra2 RAID adapter",
447 ahc_aic7890_setup
448 },
449 /* aic7892 based controllers */
450 {
451 ID_AHA_29160,
452 ID_ALL_MASK,
453 "Adaptec 29160 Ultra160 SCSI adapter",
454 ahc_aic7892_setup
455 },
456 {
457 ID_AHA_29160_CPQ,
458 ID_ALL_MASK,
459 "Adaptec (Compaq OEM) 29160 Ultra160 SCSI adapter",
460 ahc_aic7892_setup
461 },
462 {
463 ID_AHA_29160N,
464 ID_ALL_MASK,
465 "Adaptec 29160N Ultra160 SCSI adapter",
466 ahc_aic7892_setup
467 },
468 {
469 ID_AHA_29160C,
470 ID_ALL_MASK,
471 "Adaptec 29160C Ultra160 SCSI adapter",
472 ahc_aha29160C_setup
473 },
474 {
475 ID_AHA_29160B,
476 ID_ALL_MASK,
477 "Adaptec 29160B Ultra160 SCSI adapter",
478 ahc_aic7892_setup
479 },
480 {
481 ID_AHA_19160B,
482 ID_ALL_MASK,
483 "Adaptec 19160B Ultra160 SCSI adapter",
484 ahc_aic7892_setup
485 },
486 {
487 ID_AIC7892_ARO,
488 ID_ALL_MASK,
489 "Adaptec aic7892 Ultra160 SCSI adapter (ARO)",
490 ahc_aic7892_setup
491 },
492 {
493 ID_AHA_2915LP,
494 ID_ALL_MASK,
495 "Adaptec 2915LP Ultra160 SCSI adapter",
496 ahc_aic7892_setup
497 },
498 /* aic7895 based controllers */
499 {
500 ID_AHA_2940U_DUAL,
501 ID_ALL_MASK,
502 "Adaptec 2940/DUAL Ultra SCSI adapter",
503 ahc_aic7895_setup
504 },
505 {
506 ID_AHA_3940AU,
507 ID_ALL_MASK,
508 "Adaptec 3940A Ultra SCSI adapter",
509 ahc_aic7895_setup
510 },
511 {
512 ID_AHA_3944AU,
513 ID_ALL_MASK,
514 "Adaptec 3944A Ultra SCSI adapter",
515 ahc_aic7895_setup
516 },
517 {
518 ID_AIC7895_ARO,
519 ID_AIC7895_ARO_MASK,
520 "Adaptec aic7895 Ultra SCSI adapter (ARO)",
521 ahc_aic7895_setup
522 },
523 /* aic7896/97 based controllers */
524 {
525 ID_AHA_3950U2B_0,
526 ID_ALL_MASK,
527 "Adaptec 3950B Ultra2 SCSI adapter",
528 ahc_aic7896_setup
529 },
530 {
531 ID_AHA_3950U2B_1,
532 ID_ALL_MASK,
533 "Adaptec 3950B Ultra2 SCSI adapter",
534 ahc_aic7896_setup
535 },
536 {
537 ID_AHA_3950U2D_0,
538 ID_ALL_MASK,
539 "Adaptec 3950D Ultra2 SCSI adapter",
540 ahc_aic7896_setup
541 },
542 {
543 ID_AHA_3950U2D_1,
544 ID_ALL_MASK,
545 "Adaptec 3950D Ultra2 SCSI adapter",
546 ahc_aic7896_setup
547 },
548 {
549 ID_AIC7896_ARO,
550 ID_ALL_MASK,
551 "Adaptec aic7896/97 Ultra2 SCSI adapter (ARO)",
552 ahc_aic7896_setup
553 },
554 /* aic7899 based controllers */
555 {
556 ID_AHA_3960D,
557 ID_ALL_MASK,
558 "Adaptec 3960D Ultra160 SCSI adapter",
559 ahc_aic7899_setup
560 },
561 {
562 ID_AHA_3960D_CPQ,
563 ID_ALL_MASK,
564 "Adaptec (Compaq OEM) 3960D Ultra160 SCSI adapter",
565 ahc_aic7899_setup
566 },
567 {
568 ID_AIC7899_ARO,
569 ID_ALL_MASK,
570 "Adaptec aic7899 Ultra160 SCSI adapter (ARO)",
571 ahc_aic7899_setup
572 },
573 /* Generic chip probes for devices we don't know 'exactly' */
574 {
575 ID_AIC7850 & ID_DEV_VENDOR_MASK,
576 ID_DEV_VENDOR_MASK,
577 "Adaptec aic7850 SCSI adapter",
578 ahc_aic785X_setup
579 },
580 {
581 ID_AIC7855 & ID_DEV_VENDOR_MASK,
582 ID_DEV_VENDOR_MASK,
583 "Adaptec aic7855 SCSI adapter",
584 ahc_aic785X_setup
585 },
586 {
587 ID_AIC7859 & ID_DEV_VENDOR_MASK,
588 ID_DEV_VENDOR_MASK,
589 "Adaptec aic7859 SCSI adapter",
590 ahc_aic7860_setup
591 },
592 {
593 ID_AIC7860 & ID_DEV_VENDOR_MASK,
594 ID_DEV_VENDOR_MASK,
595 "Adaptec aic7860 Ultra SCSI adapter",
596 ahc_aic7860_setup
597 },
598 {
599 ID_AIC7870 & ID_DEV_VENDOR_MASK,
600 ID_DEV_VENDOR_MASK,
601 "Adaptec aic7870 SCSI adapter",
602 ahc_aic7870_setup
603 },
604 {
605 ID_AIC7880 & ID_DEV_VENDOR_MASK,
606 ID_DEV_VENDOR_MASK,
607 "Adaptec aic7880 Ultra SCSI adapter",
608 ahc_aic7880_setup
609 },
610 {
611 ID_AIC7890 & ID_9005_GENERIC_MASK,
612 ID_9005_GENERIC_MASK,
613 "Adaptec aic7890/91 Ultra2 SCSI adapter",
614 ahc_aic7890_setup
615 },
616 {
617 ID_AIC7892 & ID_9005_GENERIC_MASK,
618 ID_9005_GENERIC_MASK,
619 "Adaptec aic7892 Ultra160 SCSI adapter",
620 ahc_aic7892_setup
621 },
622 {
623 ID_AIC7895 & ID_DEV_VENDOR_MASK,
624 ID_DEV_VENDOR_MASK,
625 "Adaptec aic7895 Ultra SCSI adapter",
626 ahc_aic7895_setup
627 },
628 {
629 ID_AIC7896 & ID_9005_GENERIC_MASK,
630 ID_9005_GENERIC_MASK,
631 "Adaptec aic7896/97 Ultra2 SCSI adapter",
632 ahc_aic7896_setup
633 },
634 {
635 ID_AIC7899 & ID_9005_GENERIC_MASK,
636 ID_9005_GENERIC_MASK,
637 "Adaptec aic7899 Ultra160 SCSI adapter",
638 ahc_aic7899_setup
639 },
640 {
641 ID_AIC7810 & ID_DEV_VENDOR_MASK,
642 ID_DEV_VENDOR_MASK,
643 "Adaptec aic7810 RAID memory controller",
644 ahc_raid_setup
645 },
646 {
647 ID_AIC7815 & ID_DEV_VENDOR_MASK,
648 ID_DEV_VENDOR_MASK,
649 "Adaptec aic7815 RAID memory controller",
650 ahc_raid_setup
651 }
652 };
653
654 const u_int ahc_num_pci_devs = NUM_ELEMENTS(ahc_pci_ident_table);
655
656 #define AHC_394X_SLOT_CHANNEL_A 4
657 #define AHC_394X_SLOT_CHANNEL_B 5
658
659 #define AHC_398X_SLOT_CHANNEL_A 4
660 #define AHC_398X_SLOT_CHANNEL_B 8
661 #define AHC_398X_SLOT_CHANNEL_C 12
662
663 #define AHC_494X_SLOT_CHANNEL_A 4
664 #define AHC_494X_SLOT_CHANNEL_B 5
665 #define AHC_494X_SLOT_CHANNEL_C 6
666 #define AHC_494X_SLOT_CHANNEL_D 7
667
668 #define DEVCONFIG 0x40
669 #define PCIERRGENDIS 0x80000000ul
670 #define SCBSIZE32 0x00010000ul /* aic789X only */
671 #define REXTVALID 0x00001000ul /* ultra cards only */
672 #define MPORTMODE 0x00000400ul /* aic7870+ only */
673 #define RAMPSM 0x00000200ul /* aic7870+ only */
674 #define VOLSENSE 0x00000100ul
675 #define PCI64BIT 0x00000080ul /* 64Bit PCI bus (Ultra2 Only)*/
676 #define SCBRAMSEL 0x00000080ul
677 #define MRDCEN 0x00000040ul
678 #define EXTSCBTIME 0x00000020ul /* aic7870 only */
679 #define EXTSCBPEN 0x00000010ul /* aic7870 only */
680 #define BERREN 0x00000008ul
681 #define DACEN 0x00000004ul
682 #define STPWLEVEL 0x00000002ul
683 #define DIFACTNEGEN 0x00000001ul /* aic7870 only */
684
685 #define CSIZE_LATTIME 0x0c
686 #define CACHESIZE 0x0000003ful /* only 5 bits */
687 #define LATTIME 0x0000ff00ul
688
689 /* PCI STATUS definitions */
690 #define DPE 0x80
691 #define SSE 0x40
692 #define RMA 0x20
693 #define RTA 0x10
694 #define STA 0x08
695 #define DPR 0x01
696
697 static int ahc_9005_subdevinfo_valid(uint16_t vendor, uint16_t device,
698 uint16_t subvendor, uint16_t subdevice);
699 static int ahc_ext_scbram_present(struct ahc_softc *ahc);
700 static void ahc_scbram_config(struct ahc_softc *ahc, int enable,
701 int pcheck, int fast, int large);
702 static void ahc_probe_ext_scbram(struct ahc_softc *ahc);
703
704 int ahc_pci_probe __P((struct device *, struct cfdata *, void *));
705 void ahc_pci_attach __P((struct device *, struct device *, void *));
706
707
708 CFATTACH_DECL(ahc_pci, sizeof(struct ahc_softc),
709 ahc_pci_probe, ahc_pci_attach, NULL, NULL);
710
711 const struct ahc_pci_identity *
712 ahc_find_pci_device(id, subid, func)
713 pcireg_t id, subid;
714 u_int func;
715 {
716 u_int64_t full_id;
717 const struct ahc_pci_identity *entry;
718 u_int i;
719
720 full_id = ahc_compose_id(PCI_PRODUCT(id), PCI_VENDOR(id),
721 PCI_PRODUCT(subid), PCI_VENDOR(subid));
722
723 /*
724 * If the second function is not hooked up, ignore it.
725 * Unfortunately, not all MB vendors implement the
726 * subdevice ID as per the Adaptec spec, so do our best
727 * to sanity check it prior to accepting the subdevice
728 * ID as valid.
729 */
730 if (func > 0
731 && ahc_9005_subdevinfo_valid(PCI_VENDOR(id), PCI_PRODUCT(id),
732 PCI_VENDOR(subid), PCI_PRODUCT(subid))
733 && SUBID_9005_MFUNCENB(PCI_PRODUCT(subid)) == 0)
734 return (NULL);
735
736 for (i = 0; i < ahc_num_pci_devs; i++) {
737 entry = &ahc_pci_ident_table[i];
738 if (entry->full_id == (full_id & entry->id_mask))
739 return (entry);
740 }
741 return (NULL);
742 }
743
744 int
745 ahc_pci_probe(parent, match, aux)
746 struct device *parent;
747 struct cfdata *match;
748 void *aux;
749 {
750 struct pci_attach_args *pa = aux;
751 const struct ahc_pci_identity *entry;
752 pcireg_t subid;
753
754 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
755 entry = ahc_find_pci_device(pa->pa_id, subid, pa->pa_function);
756 return (entry != NULL && entry->setup != NULL) ? 1 : 0;
757 }
758
759 void
760 ahc_pci_attach(parent, self, aux)
761 struct device *parent, *self;
762 void *aux;
763 {
764 struct pci_attach_args *pa = aux;
765 const struct ahc_pci_identity *entry;
766 struct ahc_softc *ahc = (void *)self;
767 pcireg_t command;
768 u_int our_id = 0;
769 u_int sxfrctl1;
770 u_int scsiseq;
771 u_int sblkctl;
772 uint8_t dscommand0;
773 uint32_t devconfig;
774 int error;
775 pcireg_t subid;
776 int ioh_valid, memh_valid;
777 bus_space_tag_t st, iot;
778 bus_space_handle_t sh, ioh;
779 #ifdef AHC_ALLOW_MEMIO
780 bus_space_tag_t memt;
781 bus_space_handle_t memh;
782 pcireg_t memtype;
783 #endif
784 pci_intr_handle_t ih;
785 const char *intrstr;
786 struct ahc_pci_busdata *bd;
787
788 ahc_set_name(ahc, ahc->sc_dev.dv_xname);
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", 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 = memh_valid = 0;
821
822 #ifdef AHC_ALLOW_MEMIO
823 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, AHC_PCI_MEMADDR);
824 switch (memtype) {
825 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
826 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
827 memh_valid = (pci_mapreg_map(pa, AHC_PCI_MEMADDR,
828 memtype, 0, &memt, &memh, NULL, NULL) == 0);
829 break;
830 default:
831 memh_valid = 0;
832 }
833 #endif
834 ioh_valid = (pci_mapreg_map(pa, AHC_PCI_IOADDR,
835 PCI_MAPREG_TYPE_IO, 0, &iot,
836 &ioh, NULL, NULL) == 0);
837 #if 0
838 printf("%s: mem mapping: memt 0x%x, memh 0x%x, iot 0x%x, ioh 0x%lx\n",
839 ahc_name(ahc), memt, (u_int32_t)memh, (u_int32_t)iot, ioh);
840 #endif
841
842 if (ioh_valid) {
843 st = iot;
844 sh = ioh;
845 #ifdef AHC_ALLOW_MEMIO
846 } else if (memh_valid) {
847 st = memt;
848 sh = memh;
849 #endif
850 } else {
851 printf(": unable to map registers\n");
852 return;
853 }
854 ahc->tag = st;
855 ahc->bsh = sh;
856
857 ahc->chip |= AHC_PCI;
858 /*
859 * Before we continue probing the card, ensure that
860 * its interrupts are *disabled*. We don't want
861 * a misstep to hang the machine in an interrupt
862 * storm.
863 */
864 ahc_intr_enable(ahc, FALSE);
865
866 /*
867 * XXX somehow reading this once fails on some sparc64 systems.
868 * This may be a problem in the sparc64 PCI code. Doing it
869 * twice works around it.
870 */
871 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
872 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
873
874 /*
875 * If we need to support high memory, enable dual
876 * address cycles. This bit must be set to enable
877 * high address bit generation even if we are on a
878 * 64bit bus (PCI64BIT set in devconfig).
879 */
880 if ((ahc->flags & AHC_39BIT_ADDRESSING) != 0) {
881
882 if (1/*bootverbose*/)
883 printf("%s: Enabling 39Bit Addressing\n",
884 ahc_name(ahc));
885 devconfig |= DACEN;
886 }
887
888 /* Ensure that pci error generation, a test feature, is disabled. */
889 devconfig |= PCIERRGENDIS;
890
891 pci_conf_write(pa->pa_pc, pa->pa_tag, DEVCONFIG, devconfig);
892
893 /* Ensure busmastering is enabled */
894 command |= PCI_COMMAND_MASTER_ENABLE;;
895 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
896
897 /*
898 * Disable PCI parity error reporting. Users typically
899 * do this to work around broken PCI chipsets that get
900 * the parity timing wrong and thus generate lots of spurious
901 * errors.
902 */
903 if ((ahc->flags & AHC_DISABLE_PCI_PERR) != 0)
904 command &= ~PCI_COMMAND_PARITY_ENABLE;
905 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
906
907 /* On all PCI adapters, we allow SCB paging */
908 ahc->flags |= AHC_PAGESCBS;
909 error = ahc_softc_init(ahc);
910 if (error != 0)
911 goto error_out;
912
913 ahc->bus_intr = ahc_pci_intr;
914
915 /* Remember how the card was setup in case there is no SEEPROM */
916 if ((ahc_inb(ahc, HCNTRL) & POWRDN) == 0) {
917 ahc_pause(ahc);
918 if ((ahc->features & AHC_ULTRA2) != 0)
919 our_id = ahc_inb(ahc, SCSIID_ULTRA2) & OID;
920 else
921 our_id = ahc_inb(ahc, SCSIID) & OID;
922 sxfrctl1 = ahc_inb(ahc, SXFRCTL1) & STPWEN;
923 scsiseq = ahc_inb(ahc, SCSISEQ);
924 } else {
925 sxfrctl1 = STPWEN;
926 our_id = 7;
927 scsiseq = 0;
928 }
929
930 error = ahc_reset(ahc);
931 if (error != 0)
932 goto error_out;
933
934 if ((ahc->features & AHC_DT) != 0) {
935 u_int sfunct;
936
937 /* Perform ALT-Mode Setup */
938 sfunct = ahc_inb(ahc, SFUNCT) & ~ALT_MODE;
939 ahc_outb(ahc, SFUNCT, sfunct | ALT_MODE);
940 ahc_outb(ahc, OPTIONMODE,
941 OPTIONMODE_DEFAULTS|AUTOACKEN|BUSFREEREV|EXPPHASEDIS);
942 ahc_outb(ahc, SFUNCT, sfunct);
943
944 /* Normal mode setup */
945 ahc_outb(ahc, CRCCONTROL1, CRCVALCHKEN|CRCENDCHKEN|CRCREQCHKEN
946 |TARGCRCENDEN);
947 }
948
949 if (pci_intr_map(pa, &ih)) {
950 printf("%s: couldn't map interrupt\n", ahc_name(ahc));
951 ahc_free(ahc);
952 return;
953 }
954 intrstr = pci_intr_string(pa->pa_pc, ih);
955 ahc->ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, ahc_intr, ahc);
956 if (ahc->ih == NULL) {
957 printf("%s: couldn't establish interrupt",
958 ahc->sc_dev.dv_xname);
959 if (intrstr != NULL)
960 printf(" at %s", intrstr);
961 printf("\n");
962 ahc_free(ahc);
963 return;
964 }
965 if (intrstr != NULL)
966 printf("%s: interrupting at %s\n", ahc_name(ahc), intrstr);
967
968 dscommand0 = ahc_inb(ahc, DSCOMMAND0);
969 dscommand0 |= MPARCKEN|CACHETHEN;
970 if ((ahc->features & AHC_ULTRA2) != 0) {
971
972 /*
973 * DPARCKEN doesn't work correctly on
974 * some MBs so don't use it.
975 */
976 dscommand0 &= ~DPARCKEN;
977 }
978
979 /*
980 * Handle chips that must have cache line
981 * streaming (dis/en)abled.
982 */
983 if ((ahc->bugs & AHC_CACHETHEN_DIS_BUG) != 0)
984 dscommand0 |= CACHETHEN;
985
986 if ((ahc->bugs & AHC_CACHETHEN_BUG) != 0)
987 dscommand0 &= ~CACHETHEN;
988
989 ahc_outb(ahc, DSCOMMAND0, dscommand0);
990
991 ahc->pci_cachesize =
992 pci_conf_read(pa->pa_pc, pa->pa_tag, CSIZE_LATTIME) & CACHESIZE;
993 ahc->pci_cachesize *= 4;
994
995 if ((ahc->bugs & AHC_PCI_2_1_RETRY_BUG) != 0
996 && ahc->pci_cachesize == 4) {
997 pci_conf_write(pa->pa_pc, pa->pa_tag, CSIZE_LATTIME, 0);
998 ahc->pci_cachesize = 0;
999 }
1000
1001 /*
1002 * We cannot perform ULTRA speeds without the presence
1003 * of the external precision resistor.
1004 */
1005 if ((ahc->features & AHC_ULTRA) != 0) {
1006 uint32_t devconfig;
1007
1008 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
1009 if ((devconfig & REXTVALID) == 0)
1010 ahc->features &= ~AHC_ULTRA;
1011 }
1012
1013 ahc->seep_config = malloc(sizeof(*ahc->seep_config),
1014 M_DEVBUF, M_NOWAIT);
1015 if (ahc->seep_config == NULL)
1016 goto error_out;
1017
1018 memset(ahc->seep_config, 0, sizeof(*ahc->seep_config));
1019
1020 /* See if we have a SEEPROM and perform auto-term */
1021 ahc_check_extport(ahc, &sxfrctl1);
1022
1023 /*
1024 * Take the LED out of diagnostic mode
1025 */
1026 sblkctl = ahc_inb(ahc, SBLKCTL);
1027 ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON)));
1028
1029 if ((ahc->features & AHC_ULTRA2) != 0) {
1030 ahc_outb(ahc, DFF_THRSH, RD_DFTHRSH_MAX|WR_DFTHRSH_MAX);
1031 } else {
1032 ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100);
1033 }
1034
1035 if (ahc->flags & AHC_USEDEFAULTS) {
1036 /*
1037 * PCI Adapter default setup
1038 * Should only be used if the adapter does not have
1039 * a SEEPROM.
1040 */
1041 /* See if someone else set us up already */
1042 if ((ahc->flags & AHC_NO_BIOS_INIT) == 0
1043 && scsiseq != 0) {
1044 printf("%s: Using left over BIOS settings\n",
1045 ahc_name(ahc));
1046 ahc->flags &= ~AHC_USEDEFAULTS;
1047 ahc->flags |= AHC_BIOS_ENABLED;
1048 } else {
1049 /*
1050 * Assume only one connector and always turn
1051 * on termination.
1052 */
1053 our_id = 0x07;
1054 sxfrctl1 = STPWEN;
1055 }
1056 ahc_outb(ahc, SCSICONF, our_id|ENSPCHK|RESET_SCSI);
1057
1058 ahc->our_id = our_id;
1059 }
1060
1061 /*
1062 * Take a look to see if we have external SRAM.
1063 * We currently do not attempt to use SRAM that is
1064 * shared among multiple controllers.
1065 */
1066 ahc_probe_ext_scbram(ahc);
1067
1068 /*
1069 * Record our termination setting for the
1070 * generic initialization routine.
1071 */
1072 if ((sxfrctl1 & STPWEN) != 0)
1073 ahc->flags |= AHC_TERM_ENB_A;
1074
1075 if (ahc_init(ahc))
1076 goto error_out;
1077
1078 ahc_attach(ahc);
1079
1080 return;
1081
1082 error_out:
1083 ahc_free(ahc);
1084 return;
1085 }
1086
1087 static int
1088 ahc_9005_subdevinfo_valid(uint16_t device, uint16_t vendor,
1089 uint16_t subdevice, uint16_t subvendor)
1090 {
1091 int result;
1092
1093 /* Default to invalid. */
1094 result = 0;
1095 if (vendor == 0x9005
1096 && subvendor == 0x9005
1097 && subdevice != device
1098 && SUBID_9005_TYPE_KNOWN(subdevice) != 0) {
1099
1100 switch (SUBID_9005_TYPE(subdevice)) {
1101 case SUBID_9005_TYPE_MB:
1102 break;
1103 case SUBID_9005_TYPE_CARD:
1104 case SUBID_9005_TYPE_LCCARD:
1105 /*
1106 * Currently only trust Adaptec cards to
1107 * get the sub device info correct.
1108 */
1109 if (DEVID_9005_TYPE(device) == DEVID_9005_TYPE_HBA)
1110 result = 1;
1111 break;
1112 case SUBID_9005_TYPE_RAID:
1113 break;
1114 default:
1115 break;
1116 }
1117 }
1118 return (result);
1119 }
1120
1121
1122 /*
1123 * Test for the presense of external sram in an
1124 * "unshared" configuration.
1125 */
1126 static int
1127 ahc_ext_scbram_present(struct ahc_softc *ahc)
1128 {
1129 u_int chip;
1130 int ramps;
1131 int single_user;
1132 uint32_t devconfig;
1133
1134 chip = ahc->chip & AHC_CHIPID_MASK;
1135 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1136 single_user = (devconfig & MPORTMODE) != 0;
1137
1138 if ((ahc->features & AHC_ULTRA2) != 0)
1139 ramps = (ahc_inb(ahc, DSCOMMAND0) & RAMPS) != 0;
1140 else if (chip == AHC_AIC7895 || chip == AHC_AIC7895C)
1141 /*
1142 * External SCBRAM arbitration is flakey
1143 * on these chips. Unfortunately this means
1144 * we don't use the extra SCB ram space on the
1145 * 3940AUW.
1146 */
1147 ramps = 0;
1148 else if (chip >= AHC_AIC7870)
1149 ramps = (devconfig & RAMPSM) != 0;
1150 else
1151 ramps = 0;
1152
1153 if (ramps && single_user)
1154 return (1);
1155 return (0);
1156 }
1157
1158 /*
1159 * Enable external scbram.
1160 */
1161 static void
1162 ahc_scbram_config(struct ahc_softc *ahc, int enable, int pcheck,
1163 int fast, int large)
1164 {
1165 uint32_t devconfig;
1166
1167 if (ahc->features & AHC_MULTI_FUNC) {
1168 /*
1169 * Set the SCB Base addr (highest address bit)
1170 * depending on which channel we are.
1171 */
1172 ahc_outb(ahc, SCBBADDR, ahc->bd->func);
1173 }
1174
1175 ahc->flags &= ~AHC_LSCBS_ENABLED;
1176 if (large)
1177 ahc->flags |= AHC_LSCBS_ENABLED;
1178 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1179 if ((ahc->features & AHC_ULTRA2) != 0) {
1180 u_int dscommand0;
1181
1182 dscommand0 = ahc_inb(ahc, DSCOMMAND0);
1183 if (enable)
1184 dscommand0 &= ~INTSCBRAMSEL;
1185 else
1186 dscommand0 |= INTSCBRAMSEL;
1187 if (large)
1188 dscommand0 &= ~USCBSIZE32;
1189 else
1190 dscommand0 |= USCBSIZE32;
1191 ahc_outb(ahc, DSCOMMAND0, dscommand0);
1192 } else {
1193 if (fast)
1194 devconfig &= ~EXTSCBTIME;
1195 else
1196 devconfig |= EXTSCBTIME;
1197 if (enable)
1198 devconfig &= ~SCBRAMSEL;
1199 else
1200 devconfig |= SCBRAMSEL;
1201 if (large)
1202 devconfig &= ~SCBSIZE32;
1203 else
1204 devconfig |= SCBSIZE32;
1205 }
1206 if (pcheck)
1207 devconfig |= EXTSCBPEN;
1208 else
1209 devconfig &= ~EXTSCBPEN;
1210
1211 pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig);
1212 }
1213
1214 /*
1215 * Take a look to see if we have external SRAM.
1216 * We currently do not attempt to use SRAM that is
1217 * shared among multiple controllers.
1218 */
1219 static void
1220 ahc_probe_ext_scbram(struct ahc_softc *ahc)
1221 {
1222 int num_scbs;
1223 int test_num_scbs;
1224 int enable;
1225 int pcheck;
1226 int fast;
1227 int large;
1228
1229 enable = FALSE;
1230 pcheck = FALSE;
1231 fast = FALSE;
1232 large = FALSE;
1233 num_scbs = 0;
1234
1235 if (ahc_ext_scbram_present(ahc) == 0)
1236 goto done;
1237
1238 /*
1239 * Probe for the best parameters to use.
1240 */
1241 ahc_scbram_config(ahc, /*enable*/TRUE, pcheck, fast, large);
1242 num_scbs = ahc_probe_scbs(ahc);
1243 if (num_scbs == 0) {
1244 /* The SRAM wasn't really present. */
1245 goto done;
1246 }
1247 enable = TRUE;
1248
1249 /*
1250 * Clear any outstanding parity error
1251 * and ensure that parity error reporting
1252 * is enabled.
1253 */
1254 ahc_outb(ahc, SEQCTL, 0);
1255 ahc_outb(ahc, CLRINT, CLRPARERR);
1256 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1257
1258 /* Now see if we can do parity */
1259 ahc_scbram_config(ahc, enable, /*pcheck*/TRUE, fast, large);
1260 num_scbs = ahc_probe_scbs(ahc);
1261 if ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
1262 || (ahc_inb(ahc, ERROR) & MPARERR) == 0)
1263 pcheck = TRUE;
1264
1265 /* Clear any resulting parity error */
1266 ahc_outb(ahc, CLRINT, CLRPARERR);
1267 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1268
1269 /* Now see if we can do fast timing */
1270 ahc_scbram_config(ahc, enable, pcheck, /*fast*/TRUE, large);
1271 test_num_scbs = ahc_probe_scbs(ahc);
1272 if (test_num_scbs == num_scbs
1273 && ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
1274 || (ahc_inb(ahc, ERROR) & MPARERR) == 0))
1275 fast = TRUE;
1276
1277 /*
1278 * See if we can use large SCBs and still maintain
1279 * the same overall count of SCBs.
1280 */
1281 if ((ahc->features & AHC_LARGE_SCBS) != 0) {
1282 ahc_scbram_config(ahc, enable, pcheck, fast, /*large*/TRUE);
1283 test_num_scbs = ahc_probe_scbs(ahc);
1284 if (test_num_scbs >= num_scbs) {
1285 large = TRUE;
1286 num_scbs = test_num_scbs;
1287 if (num_scbs >= 64) {
1288 /*
1289 * We have enough space to move the
1290 * "busy targets table" into SCB space
1291 * and make it qualify all the way to the
1292 * lun level.
1293 */
1294 ahc->flags |= AHC_SCB_BTT;
1295 }
1296 }
1297 }
1298 done:
1299 /*
1300 * Disable parity error reporting until we
1301 * can load instruction ram.
1302 */
1303 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
1304 /* Clear any latched parity error */
1305 ahc_outb(ahc, CLRINT, CLRPARERR);
1306 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1307 if (1/*bootverbose*/ && enable) {
1308 printf("%s: External SRAM, %s access%s, %dbytes/SCB\n",
1309 ahc_name(ahc), fast ? "fast" : "slow",
1310 pcheck ? ", parity checking enabled" : "",
1311 large ? 64 : 32);
1312 }
1313 ahc_scbram_config(ahc, enable, pcheck, fast, large);
1314 }
1315
1316 #if 0
1317 /*
1318 * Perform some simple tests that should catch situations where
1319 * our registers are invalidly mapped.
1320 */
1321 int
1322 ahc_pci_test_register_access(struct ahc_softc *ahc)
1323 {
1324 int error;
1325 u_int status1;
1326 uint32_t cmd;
1327 uint8_t hcntrl;
1328
1329 error = EIO;
1330
1331 /*
1332 * Enable PCI error interrupt status, but suppress NMIs
1333 * generated by SERR raised due to target aborts.
1334 */
1335 cmd = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND);
1336 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND,
1337 cmd & ~PCIM_CMD_SERRESPEN);
1338
1339 /*
1340 * First a simple test to see if any
1341 * registers can be read. Reading
1342 * HCNTRL has no side effects and has
1343 * at least one bit that is guaranteed to
1344 * be zero so it is a good register to
1345 * use for this test.
1346 */
1347 hcntrl = ahc_inb(ahc, HCNTRL);
1348 if (hcntrl == 0xFF)
1349 goto fail;
1350
1351 /*
1352 * Next create a situation where write combining
1353 * or read prefetching could be initiated by the
1354 * CPU or host bridge. Our device does not support
1355 * either, so look for data corruption and/or flagged
1356 * PCI errors.
1357 */
1358 ahc_outb(ahc, HCNTRL, hcntrl|PAUSE);
1359 while (ahc_is_paused(ahc) == 0)
1360 ;
1361 ahc_outb(ahc, SEQCTL, PERRORDIS);
1362 ahc_outb(ahc, SCBPTR, 0);
1363 ahc_outl(ahc, SCB_BASE, 0x5aa555aa);
1364 if (ahc_inl(ahc, SCB_BASE) != 0x5aa555aa)
1365 goto fail;
1366
1367 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1368 PCI_COMMAND_STATUS_REG + 1);
1369 if ((status1 & STA) != 0)
1370 goto fail;
1371
1372 error = 0;
1373
1374 fail:
1375 /* Silently clear any latched errors. */
1376 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG + 1);
1377 ahc_pci_write_config(ahc->dev_softc, PCIR_STATUS + 1,
1378 status1, /*bytes*/1);
1379 ahc_outb(ahc, CLRINT, CLRPARERR);
1380 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
1381 ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, cmd, /*bytes*/2);
1382 return (error);
1383 }
1384 #endif
1385
1386 void
1387 ahc_pci_intr(struct ahc_softc *ahc)
1388 {
1389 u_int error;
1390 u_int status1;
1391
1392 error = ahc_inb(ahc, ERROR);
1393 if ((error & PCIERRSTAT) == 0)
1394 return;
1395
1396 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG);
1397
1398 printf("%s: PCI error Interrupt at seqaddr = 0x%x\n",
1399 ahc_name(ahc),
1400 ahc_inb(ahc, SEQADDR0) | (ahc_inb(ahc, SEQADDR1) << 8));
1401
1402 if (status1 & DPE) {
1403 printf("%s: Data Parity Error Detected during address "
1404 "or write data phase\n", ahc_name(ahc));
1405 }
1406 if (status1 & SSE) {
1407 printf("%s: Signal System Error Detected\n", ahc_name(ahc));
1408 }
1409 if (status1 & RMA) {
1410 printf("%s: Received a Master Abort\n", ahc_name(ahc));
1411 }
1412 if (status1 & RTA) {
1413 printf("%s: Received a Target Abort\n", ahc_name(ahc));
1414 }
1415 if (status1 & STA) {
1416 printf("%s: Signaled a Target Abort\n", ahc_name(ahc));
1417 }
1418 if (status1 & DPR) {
1419 printf("%s: Data Parity Error has been reported via PERR#\n",
1420 ahc_name(ahc));
1421 }
1422
1423 /* Clear latched errors. */
1424 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG, status1);
1425
1426 if ((status1 & (DPE|SSE|RMA|RTA|STA|DPR)) == 0) {
1427 printf("%s: Latched PCIERR interrupt with "
1428 "no status bits set\n", ahc_name(ahc));
1429 } else {
1430 ahc_outb(ahc, CLRINT, CLRPARERR);
1431 }
1432
1433 ahc_unpause(ahc);
1434 }
1435
1436 static int
1437 ahc_aic785X_setup(struct ahc_softc *ahc)
1438 {
1439 uint8_t rev;
1440
1441 ahc->channel = 'A';
1442 ahc->chip = AHC_AIC7850;
1443 ahc->features = AHC_AIC7850_FE;
1444 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1445 rev = PCI_REVISION(ahc->bd->class);
1446 if (rev >= 1)
1447 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1448 return (0);
1449 }
1450
1451 static int
1452 ahc_aic7860_setup(struct ahc_softc *ahc)
1453 {
1454 uint8_t rev;
1455
1456 ahc->channel = 'A';
1457 ahc->chip = AHC_AIC7860;
1458 ahc->features = AHC_AIC7860_FE;
1459 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1460 rev = PCI_REVISION(ahc->bd->class);
1461 if (rev >= 1)
1462 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1463 return (0);
1464 }
1465
1466 static int
1467 ahc_apa1480_setup(struct ahc_softc *ahc)
1468 {
1469 int error;
1470
1471 error = ahc_aic7860_setup(ahc);
1472 if (error != 0)
1473 return (error);
1474 ahc->features |= AHC_REMOVABLE;
1475 return (0);
1476 }
1477
1478 static int
1479 ahc_aic7870_setup(struct ahc_softc *ahc)
1480 {
1481
1482 ahc->channel = 'A';
1483 ahc->chip = AHC_AIC7870;
1484 ahc->features = AHC_AIC7870_FE;
1485 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1486 return (0);
1487 }
1488
1489 static int
1490 ahc_aha394X_setup(struct ahc_softc *ahc)
1491 {
1492 int error;
1493
1494 error = ahc_aic7870_setup(ahc);
1495 if (error == 0)
1496 error = ahc_aha394XX_setup(ahc);
1497 return (error);
1498 }
1499
1500 static int
1501 ahc_aha398X_setup(struct ahc_softc *ahc)
1502 {
1503 int error;
1504
1505 error = ahc_aic7870_setup(ahc);
1506 if (error == 0)
1507 error = ahc_aha398XX_setup(ahc);
1508 return (error);
1509 }
1510
1511 static int
1512 ahc_aha494X_setup(struct ahc_softc *ahc)
1513 {
1514 int error;
1515
1516 error = ahc_aic7870_setup(ahc);
1517 if (error == 0)
1518 error = ahc_aha494XX_setup(ahc);
1519 return (error);
1520 }
1521
1522 static int
1523 ahc_aic7880_setup(struct ahc_softc *ahc)
1524 {
1525 uint8_t rev;
1526
1527 ahc->channel = 'A';
1528 ahc->chip = AHC_AIC7880;
1529 ahc->features = AHC_AIC7880_FE;
1530 ahc->bugs |= AHC_TMODE_WIDEODD_BUG;
1531 rev = PCI_REVISION(ahc->bd->class);
1532 if (rev >= 1) {
1533 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1534 } else {
1535 ahc->bugs |= AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1536 }
1537 return (0);
1538 }
1539
1540 static int
1541 ahc_aha2940Pro_setup(struct ahc_softc *ahc)
1542 {
1543
1544 ahc->flags |= AHC_INT50_SPEEDFLEX;
1545 return (ahc_aic7880_setup(ahc));
1546 }
1547
1548 static int
1549 ahc_aha394XU_setup(struct ahc_softc *ahc)
1550 {
1551 int error;
1552
1553 error = ahc_aic7880_setup(ahc);
1554 if (error == 0)
1555 error = ahc_aha394XX_setup(ahc);
1556 return (error);
1557 }
1558
1559 static int
1560 ahc_aha398XU_setup(struct ahc_softc *ahc)
1561 {
1562 int error;
1563
1564 error = ahc_aic7880_setup(ahc);
1565 if (error == 0)
1566 error = ahc_aha398XX_setup(ahc);
1567 return (error);
1568 }
1569
1570 static int
1571 ahc_aic7890_setup(struct ahc_softc *ahc)
1572 {
1573 uint8_t rev;
1574
1575 ahc->channel = 'A';
1576 ahc->chip = AHC_AIC7890;
1577 ahc->features = AHC_AIC7890_FE;
1578 ahc->flags |= AHC_NEWEEPROM_FMT;
1579 rev = PCI_REVISION(ahc->bd->class);
1580 if (rev == 0)
1581 ahc->bugs |= AHC_AUTOFLUSH_BUG|AHC_CACHETHEN_BUG;
1582 return (0);
1583 }
1584
1585 static int
1586 ahc_aic7892_setup(struct ahc_softc *ahc)
1587 {
1588
1589 ahc->channel = 'A';
1590 ahc->chip = AHC_AIC7892;
1591 ahc->features = AHC_AIC7892_FE;
1592 ahc->flags |= AHC_NEWEEPROM_FMT;
1593 ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
1594 return (0);
1595 }
1596
1597 static int
1598 ahc_aic7895_setup(struct ahc_softc *ahc)
1599 {
1600 uint8_t rev;
1601
1602 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1603 /*
1604 * The 'C' revision of the aic7895 has a few additional features.
1605 */
1606 rev = PCI_REVISION(ahc->bd->class);
1607 if (rev >= 4) {
1608 ahc->chip = AHC_AIC7895C;
1609 ahc->features = AHC_AIC7895C_FE;
1610 } else {
1611 u_int command;
1612
1613 ahc->chip = AHC_AIC7895;
1614 ahc->features = AHC_AIC7895_FE;
1615
1616 /*
1617 * The BIOS disables the use of MWI transactions
1618 * since it does not have the MWI bug work around
1619 * we have. Disabling MWI reduces performance, so
1620 * turn it on again.
1621 */
1622 command = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG);
1623 command |= PCI_COMMAND_INVALIDATE_ENABLE;
1624 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG, command);
1625 ahc->bugs |= AHC_PCI_MWI_BUG;
1626 }
1627 /*
1628 * XXX Does CACHETHEN really not work??? What about PCI retry?
1629 * on C level chips. Need to test, but for now, play it safe.
1630 */
1631 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_PCI_2_1_RETRY_BUG
1632 | AHC_CACHETHEN_BUG;
1633
1634 #if 0
1635 uint32_t devconfig;
1636
1637 /*
1638 * Cachesize must also be zero due to stray DAC
1639 * problem when sitting behind some bridges.
1640 */
1641 pci_conf_write(ahc->bd->pc, ahc->bd->tag, CSIZE_LATTIME, 0);
1642 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1643 devconfig |= MRDCEN;
1644 pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig);
1645 #endif
1646 ahc->flags |= AHC_NEWEEPROM_FMT;
1647 return (0);
1648 }
1649
1650 static int
1651 ahc_aic7896_setup(struct ahc_softc *ahc)
1652 {
1653 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1654 ahc->chip = AHC_AIC7896;
1655 ahc->features = AHC_AIC7896_FE;
1656 ahc->flags |= AHC_NEWEEPROM_FMT;
1657 ahc->bugs |= AHC_CACHETHEN_DIS_BUG;
1658 return (0);
1659 }
1660
1661 static int
1662 ahc_aic7899_setup(struct ahc_softc *ahc)
1663 {
1664 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1665 ahc->chip = AHC_AIC7899;
1666 ahc->features = AHC_AIC7899_FE;
1667 ahc->flags |= AHC_NEWEEPROM_FMT;
1668 ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
1669 return (0);
1670 }
1671
1672 static int
1673 ahc_aha29160C_setup(struct ahc_softc *ahc)
1674 {
1675 int error;
1676
1677 error = ahc_aic7899_setup(ahc);
1678 if (error != 0)
1679 return (error);
1680 ahc->features |= AHC_REMOVABLE;
1681 return (0);
1682 }
1683
1684 static int
1685 ahc_raid_setup(struct ahc_softc *ahc)
1686 {
1687 printf("RAID functionality unsupported\n");
1688 return (ENXIO);
1689 }
1690
1691 static int
1692 ahc_aha394XX_setup(struct ahc_softc *ahc)
1693 {
1694
1695 switch (ahc->bd->dev) {
1696 case AHC_394X_SLOT_CHANNEL_A:
1697 ahc->channel = 'A';
1698 break;
1699 case AHC_394X_SLOT_CHANNEL_B:
1700 ahc->channel = 'B';
1701 break;
1702 default:
1703 printf("adapter at unexpected slot %d\n"
1704 "unable to map to a channel\n",
1705 ahc->bd->dev);
1706 ahc->channel = 'A';
1707 }
1708 return (0);
1709 }
1710
1711 static int
1712 ahc_aha398XX_setup(struct ahc_softc *ahc)
1713 {
1714
1715 switch (ahc->bd->dev) {
1716 case AHC_398X_SLOT_CHANNEL_A:
1717 ahc->channel = 'A';
1718 break;
1719 case AHC_398X_SLOT_CHANNEL_B:
1720 ahc->channel = 'B';
1721 break;
1722 case AHC_398X_SLOT_CHANNEL_C:
1723 ahc->channel = 'C';
1724 break;
1725 default:
1726 printf("adapter at unexpected slot %d\n"
1727 "unable to map to a channel\n",
1728 ahc->bd->dev);
1729 ahc->channel = 'A';
1730 break;
1731 }
1732 ahc->flags |= AHC_LARGE_SEEPROM;
1733 return (0);
1734 }
1735
1736 static int
1737 ahc_aha494XX_setup(struct ahc_softc *ahc)
1738 {
1739
1740 switch (ahc->bd->dev) {
1741 case AHC_494X_SLOT_CHANNEL_A:
1742 ahc->channel = 'A';
1743 break;
1744 case AHC_494X_SLOT_CHANNEL_B:
1745 ahc->channel = 'B';
1746 break;
1747 case AHC_494X_SLOT_CHANNEL_C:
1748 ahc->channel = 'C';
1749 break;
1750 case AHC_494X_SLOT_CHANNEL_D:
1751 ahc->channel = 'D';
1752 break;
1753 default:
1754 printf("adapter at unexpected slot %d\n"
1755 "unable to map to a channel\n",
1756 ahc->bd->dev);
1757 ahc->channel = 'A';
1758 }
1759 ahc->flags |= AHC_LARGE_SEEPROM;
1760 return (0);
1761 }
1762