FreeBSD/Linux Kernel Cross Reference
sys/dev/pci/ahc_pci.c
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 1.45.2.1 2004/11/12 05:55:47 jmc 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 1.45.2.1 2004/11/12 05:55:47 jmc 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
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 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 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 int ahc_pci_probe __P((struct device *, struct cfdata *, void *));
711 void ahc_pci_attach __P((struct device *, struct device *, void *));
712
713
714 CFATTACH_DECL(ahc_pci, sizeof(struct ahc_softc),
715 ahc_pci_probe, ahc_pci_attach, NULL, NULL);
716
717 const struct ahc_pci_identity *
718 ahc_find_pci_device(id, subid, func)
719 pcireg_t id, subid;
720 u_int func;
721 {
722 u_int64_t full_id;
723 const struct ahc_pci_identity *entry;
724 u_int i;
725
726 full_id = ahc_compose_id(PCI_PRODUCT(id), PCI_VENDOR(id),
727 PCI_PRODUCT(subid), PCI_VENDOR(subid));
728
729 /*
730 * If the second function is not hooked up, ignore it.
731 * Unfortunately, not all MB vendors implement the
732 * subdevice ID as per the Adaptec spec, so do our best
733 * to sanity check it prior to accepting the subdevice
734 * ID as valid.
735 */
736 if (func > 0
737 && ahc_9005_subdevinfo_valid(PCI_VENDOR(id), PCI_PRODUCT(id),
738 PCI_VENDOR(subid), PCI_PRODUCT(subid))
739 && SUBID_9005_MFUNCENB(PCI_PRODUCT(subid)) == 0)
740 return (NULL);
741
742 for (i = 0; i < ahc_num_pci_devs; i++) {
743 entry = &ahc_pci_ident_table[i];
744 if (entry->full_id == (full_id & entry->id_mask))
745 return (entry);
746 }
747 return (NULL);
748 }
749
750 int
751 ahc_pci_probe(parent, match, aux)
752 struct device *parent;
753 struct cfdata *match;
754 void *aux;
755 {
756 struct pci_attach_args *pa = aux;
757 const struct ahc_pci_identity *entry;
758 pcireg_t subid;
759
760 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
761 entry = ahc_find_pci_device(pa->pa_id, subid, pa->pa_function);
762 return (entry != NULL && entry->setup != NULL) ? 1 : 0;
763 }
764
765 void
766 ahc_pci_attach(parent, self, aux)
767 struct device *parent, *self;
768 void *aux;
769 {
770 struct pci_attach_args *pa = aux;
771 const struct ahc_pci_identity *entry;
772 struct ahc_softc *ahc = (void *)self;
773 pcireg_t command;
774 u_int our_id = 0;
775 u_int sxfrctl1;
776 u_int scsiseq;
777 u_int sblkctl;
778 uint8_t dscommand0;
779 uint32_t devconfig;
780 int error;
781 pcireg_t subid;
782 int ioh_valid;
783 bus_space_tag_t st, iot;
784 bus_space_handle_t sh, ioh;
785 #ifdef AHC_ALLOW_MEMIO
786 int memh_valid;
787 bus_space_tag_t memt;
788 bus_space_handle_t memh;
789 pcireg_t memtype;
790 #endif
791 pci_intr_handle_t ih;
792 const char *intrstr;
793 struct ahc_pci_busdata *bd;
794
795 ahc_set_name(ahc, ahc->sc_dev.dv_xname);
796 ahc->parent_dmat = pa->pa_dmat;
797
798 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
799 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
800 entry = ahc_find_pci_device(pa->pa_id, subid, pa->pa_function);
801 if (entry == NULL)
802 return;
803 printf(": %s\n", entry->name);
804
805 /* Keep information about the PCI bus */
806 bd = malloc(sizeof (struct ahc_pci_busdata), M_DEVBUF, M_NOWAIT);
807 if (bd == NULL) {
808 printf("%s: unable to allocate bus-specific data\n",
809 ahc_name(ahc));
810 return;
811 }
812 memset(bd, 0, sizeof(struct ahc_pci_busdata));
813
814 bd->pc = pa->pa_pc;
815 bd->tag = pa->pa_tag;
816 bd->func = pa->pa_function;
817 bd->dev = pa->pa_device;
818 bd->class = pa->pa_class;
819
820 ahc->bd = bd;
821
822 ahc->description = entry->name;
823
824 error = entry->setup(ahc);
825 if (error != 0)
826 return;
827
828 ioh_valid = 0;
829
830 #ifdef AHC_ALLOW_MEMIO
831 memh_valid = 0;
832 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, AHC_PCI_MEMADDR);
833 switch (memtype) {
834 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
835 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
836 memh_valid = (pci_mapreg_map(pa, AHC_PCI_MEMADDR,
837 memtype, 0, &memt, &memh, NULL, NULL) == 0);
838 break;
839 default:
840 memh_valid = 0;
841 }
842 #endif
843 ioh_valid = (pci_mapreg_map(pa, AHC_PCI_IOADDR,
844 PCI_MAPREG_TYPE_IO, 0, &iot,
845 &ioh, NULL, NULL) == 0);
846 #if 0
847 printf("%s: bus info: memt 0x%lx, memh 0x%lx, iot 0x%lx, ioh 0x%lx\n",
848 ahc_name(ahc), (u_long)memt, (u_long)memh, (u_long)iot,
849 (u_long)ioh);
850 #endif
851
852 if (ioh_valid) {
853 st = iot;
854 sh = ioh;
855 #ifdef AHC_ALLOW_MEMIO
856 } else if (memh_valid) {
857 st = memt;
858 sh = memh;
859 #endif
860 } else {
861 printf(": unable to map registers\n");
862 return;
863 }
864 ahc->tag = st;
865 ahc->bsh = sh;
866
867 ahc->chip |= AHC_PCI;
868 /*
869 * Before we continue probing the card, ensure that
870 * its interrupts are *disabled*. We don't want
871 * a misstep to hang the machine in an interrupt
872 * storm.
873 */
874 ahc_intr_enable(ahc, FALSE);
875
876 /*
877 * XXX somehow reading this once fails on some sparc64 systems.
878 * This may be a problem in the sparc64 PCI code. Doing it
879 * twice works around it.
880 */
881 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
882 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
883
884 /*
885 * If we need to support high memory, enable dual
886 * address cycles. This bit must be set to enable
887 * high address bit generation even if we are on a
888 * 64bit bus (PCI64BIT set in devconfig).
889 */
890 if ((ahc->flags & AHC_39BIT_ADDRESSING) != 0) {
891
892 if (1/*bootverbose*/)
893 printf("%s: Enabling 39Bit Addressing\n",
894 ahc_name(ahc));
895 devconfig |= DACEN;
896 }
897
898 /* Ensure that pci error generation, a test feature, is disabled. */
899 devconfig |= PCIERRGENDIS;
900
901 pci_conf_write(pa->pa_pc, pa->pa_tag, DEVCONFIG, devconfig);
902
903 /* Ensure busmastering is enabled */
904 command |= PCI_COMMAND_MASTER_ENABLE;;
905 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
906
907 /*
908 * Disable PCI parity error reporting. Users typically
909 * do this to work around broken PCI chipsets that get
910 * the parity timing wrong and thus generate lots of spurious
911 * errors.
912 */
913 if ((ahc->flags & AHC_DISABLE_PCI_PERR) != 0)
914 command &= ~PCI_COMMAND_PARITY_ENABLE;
915 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
916
917 /* On all PCI adapters, we allow SCB paging */
918 ahc->flags |= AHC_PAGESCBS;
919 error = ahc_softc_init(ahc);
920 if (error != 0)
921 goto error_out;
922
923 ahc->bus_intr = ahc_pci_intr;
924
925 /* Remember how the card was setup in case there is no SEEPROM */
926 if ((ahc_inb(ahc, HCNTRL) & POWRDN) == 0) {
927 ahc_pause(ahc);
928 if ((ahc->features & AHC_ULTRA2) != 0)
929 our_id = ahc_inb(ahc, SCSIID_ULTRA2) & OID;
930 else
931 our_id = ahc_inb(ahc, SCSIID) & OID;
932 sxfrctl1 = ahc_inb(ahc, SXFRCTL1) & STPWEN;
933 scsiseq = ahc_inb(ahc, SCSISEQ);
934 } else {
935 sxfrctl1 = STPWEN;
936 our_id = 7;
937 scsiseq = 0;
938 }
939
940 error = ahc_reset(ahc);
941 if (error != 0)
942 goto error_out;
943
944 if ((ahc->features & AHC_DT) != 0) {
945 u_int sfunct;
946
947 /* Perform ALT-Mode Setup */
948 sfunct = ahc_inb(ahc, SFUNCT) & ~ALT_MODE;
949 ahc_outb(ahc, SFUNCT, sfunct | ALT_MODE);
950 ahc_outb(ahc, OPTIONMODE,
951 OPTIONMODE_DEFAULTS|AUTOACKEN|BUSFREEREV|EXPPHASEDIS);
952 ahc_outb(ahc, SFUNCT, sfunct);
953
954 /* Normal mode setup */
955 ahc_outb(ahc, CRCCONTROL1, CRCVALCHKEN|CRCENDCHKEN|CRCREQCHKEN
956 |TARGCRCENDEN);
957 }
958
959 if (pci_intr_map(pa, &ih)) {
960 printf("%s: couldn't map interrupt\n", ahc_name(ahc));
961 ahc_free(ahc);
962 return;
963 }
964 intrstr = pci_intr_string(pa->pa_pc, ih);
965 ahc->ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, ahc_intr, ahc);
966 if (ahc->ih == NULL) {
967 printf("%s: couldn't establish interrupt",
968 ahc->sc_dev.dv_xname);
969 if (intrstr != NULL)
970 printf(" at %s", intrstr);
971 printf("\n");
972 ahc_free(ahc);
973 return;
974 }
975 if (intrstr != NULL)
976 printf("%s: interrupting at %s\n", ahc_name(ahc), intrstr);
977
978 dscommand0 = ahc_inb(ahc, DSCOMMAND0);
979 dscommand0 |= MPARCKEN|CACHETHEN;
980 if ((ahc->features & AHC_ULTRA2) != 0) {
981
982 /*
983 * DPARCKEN doesn't work correctly on
984 * some MBs so don't use it.
985 */
986 dscommand0 &= ~DPARCKEN;
987 }
988
989 /*
990 * Handle chips that must have cache line
991 * streaming (dis/en)abled.
992 */
993 if ((ahc->bugs & AHC_CACHETHEN_DIS_BUG) != 0)
994 dscommand0 |= CACHETHEN;
995
996 if ((ahc->bugs & AHC_CACHETHEN_BUG) != 0)
997 dscommand0 &= ~CACHETHEN;
998
999 ahc_outb(ahc, DSCOMMAND0, dscommand0);
1000
1001 ahc->pci_cachesize =
1002 pci_conf_read(pa->pa_pc, pa->pa_tag, CSIZE_LATTIME) & CACHESIZE;
1003 ahc->pci_cachesize *= 4;
1004
1005 if ((ahc->bugs & AHC_PCI_2_1_RETRY_BUG) != 0
1006 && ahc->pci_cachesize == 4) {
1007 pci_conf_write(pa->pa_pc, pa->pa_tag, CSIZE_LATTIME, 0);
1008 ahc->pci_cachesize = 0;
1009 }
1010
1011 /*
1012 * We cannot perform ULTRA speeds without the presence
1013 * of the external precision resistor.
1014 */
1015 if ((ahc->features & AHC_ULTRA) != 0) {
1016 uint32_t devconfig;
1017
1018 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
1019 if ((devconfig & REXTVALID) == 0)
1020 ahc->features &= ~AHC_ULTRA;
1021 }
1022
1023 ahc->seep_config = malloc(sizeof(*ahc->seep_config),
1024 M_DEVBUF, M_NOWAIT);
1025 if (ahc->seep_config == NULL)
1026 goto error_out;
1027
1028 memset(ahc->seep_config, 0, sizeof(*ahc->seep_config));
1029
1030 /* See if we have a SEEPROM and perform auto-term */
1031 ahc_check_extport(ahc, &sxfrctl1);
1032
1033 /*
1034 * Take the LED out of diagnostic mode
1035 */
1036 sblkctl = ahc_inb(ahc, SBLKCTL);
1037 ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON)));
1038
1039 if ((ahc->features & AHC_ULTRA2) != 0) {
1040 ahc_outb(ahc, DFF_THRSH, RD_DFTHRSH_MAX|WR_DFTHRSH_MAX);
1041 } else {
1042 ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100);
1043 }
1044
1045 if (ahc->flags & AHC_USEDEFAULTS) {
1046 /*
1047 * PCI Adapter default setup
1048 * Should only be used if the adapter does not have
1049 * a SEEPROM.
1050 */
1051 /* See if someone else set us up already */
1052 if ((ahc->flags & AHC_NO_BIOS_INIT) == 0
1053 && scsiseq != 0) {
1054 printf("%s: Using left over BIOS settings\n",
1055 ahc_name(ahc));
1056 ahc->flags &= ~AHC_USEDEFAULTS;
1057 ahc->flags |= AHC_BIOS_ENABLED;
1058 } else {
1059 /*
1060 * Assume only one connector and always turn
1061 * on termination.
1062 */
1063 our_id = 0x07;
1064 sxfrctl1 = STPWEN;
1065 }
1066 ahc_outb(ahc, SCSICONF, our_id|ENSPCHK|RESET_SCSI);
1067
1068 ahc->our_id = our_id;
1069 }
1070
1071 /*
1072 * Take a look to see if we have external SRAM.
1073 * We currently do not attempt to use SRAM that is
1074 * shared among multiple controllers.
1075 */
1076 ahc_probe_ext_scbram(ahc);
1077
1078 /*
1079 * Record our termination setting for the
1080 * generic initialization routine.
1081 */
1082 if ((sxfrctl1 & STPWEN) != 0)
1083 ahc->flags |= AHC_TERM_ENB_A;
1084
1085 if (ahc_init(ahc))
1086 goto error_out;
1087
1088 ahc_attach(ahc);
1089
1090 return;
1091
1092 error_out:
1093 ahc_free(ahc);
1094 return;
1095 }
1096
1097 static int
1098 ahc_9005_subdevinfo_valid(uint16_t device, uint16_t vendor,
1099 uint16_t subdevice, uint16_t subvendor)
1100 {
1101 int result;
1102
1103 /* Default to invalid. */
1104 result = 0;
1105 if (vendor == 0x9005
1106 && subvendor == 0x9005
1107 && subdevice != device
1108 && SUBID_9005_TYPE_KNOWN(subdevice) != 0) {
1109
1110 switch (SUBID_9005_TYPE(subdevice)) {
1111 case SUBID_9005_TYPE_MB:
1112 break;
1113 case SUBID_9005_TYPE_CARD:
1114 case SUBID_9005_TYPE_LCCARD:
1115 /*
1116 * Currently only trust Adaptec cards to
1117 * get the sub device info correct.
1118 */
1119 if (DEVID_9005_TYPE(device) == DEVID_9005_TYPE_HBA)
1120 result = 1;
1121 break;
1122 case SUBID_9005_TYPE_RAID:
1123 break;
1124 default:
1125 break;
1126 }
1127 }
1128 return (result);
1129 }
1130
1131
1132 /*
1133 * Test for the presense of external sram in an
1134 * "unshared" configuration.
1135 */
1136 static int
1137 ahc_ext_scbram_present(struct ahc_softc *ahc)
1138 {
1139 u_int chip;
1140 int ramps;
1141 int single_user;
1142 uint32_t devconfig;
1143
1144 chip = ahc->chip & AHC_CHIPID_MASK;
1145 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1146 single_user = (devconfig & MPORTMODE) != 0;
1147
1148 if ((ahc->features & AHC_ULTRA2) != 0)
1149 ramps = (ahc_inb(ahc, DSCOMMAND0) & RAMPS) != 0;
1150 else if (chip == AHC_AIC7895 || chip == AHC_AIC7895C)
1151 /*
1152 * External SCBRAM arbitration is flakey
1153 * on these chips. Unfortunately this means
1154 * we don't use the extra SCB ram space on the
1155 * 3940AUW.
1156 */
1157 ramps = 0;
1158 else if (chip >= AHC_AIC7870)
1159 ramps = (devconfig & RAMPSM) != 0;
1160 else
1161 ramps = 0;
1162
1163 if (ramps && single_user)
1164 return (1);
1165 return (0);
1166 }
1167
1168 /*
1169 * Enable external scbram.
1170 */
1171 static void
1172 ahc_scbram_config(struct ahc_softc *ahc, int enable, int pcheck,
1173 int fast, int large)
1174 {
1175 uint32_t devconfig;
1176
1177 if (ahc->features & AHC_MULTI_FUNC) {
1178 /*
1179 * Set the SCB Base addr (highest address bit)
1180 * depending on which channel we are.
1181 */
1182 ahc_outb(ahc, SCBBADDR, ahc->bd->func);
1183 }
1184
1185 ahc->flags &= ~AHC_LSCBS_ENABLED;
1186 if (large)
1187 ahc->flags |= AHC_LSCBS_ENABLED;
1188 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1189 if ((ahc->features & AHC_ULTRA2) != 0) {
1190 u_int dscommand0;
1191
1192 dscommand0 = ahc_inb(ahc, DSCOMMAND0);
1193 if (enable)
1194 dscommand0 &= ~INTSCBRAMSEL;
1195 else
1196 dscommand0 |= INTSCBRAMSEL;
1197 if (large)
1198 dscommand0 &= ~USCBSIZE32;
1199 else
1200 dscommand0 |= USCBSIZE32;
1201 ahc_outb(ahc, DSCOMMAND0, dscommand0);
1202 } else {
1203 if (fast)
1204 devconfig &= ~EXTSCBTIME;
1205 else
1206 devconfig |= EXTSCBTIME;
1207 if (enable)
1208 devconfig &= ~SCBRAMSEL;
1209 else
1210 devconfig |= SCBRAMSEL;
1211 if (large)
1212 devconfig &= ~SCBSIZE32;
1213 else
1214 devconfig |= SCBSIZE32;
1215 }
1216 if (pcheck)
1217 devconfig |= EXTSCBPEN;
1218 else
1219 devconfig &= ~EXTSCBPEN;
1220
1221 pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig);
1222 }
1223
1224 /*
1225 * Take a look to see if we have external SRAM.
1226 * We currently do not attempt to use SRAM that is
1227 * shared among multiple controllers.
1228 */
1229 static void
1230 ahc_probe_ext_scbram(struct ahc_softc *ahc)
1231 {
1232 int num_scbs;
1233 int test_num_scbs;
1234 int enable;
1235 int pcheck;
1236 int fast;
1237 int large;
1238
1239 enable = FALSE;
1240 pcheck = FALSE;
1241 fast = FALSE;
1242 large = FALSE;
1243 num_scbs = 0;
1244
1245 if (ahc_ext_scbram_present(ahc) == 0)
1246 goto done;
1247
1248 /*
1249 * Probe for the best parameters to use.
1250 */
1251 ahc_scbram_config(ahc, /*enable*/TRUE, pcheck, fast, large);
1252 num_scbs = ahc_probe_scbs(ahc);
1253 if (num_scbs == 0) {
1254 /* The SRAM wasn't really present. */
1255 goto done;
1256 }
1257 enable = TRUE;
1258
1259 /*
1260 * Clear any outstanding parity error
1261 * and ensure that parity error reporting
1262 * is enabled.
1263 */
1264 ahc_outb(ahc, SEQCTL, 0);
1265 ahc_outb(ahc, CLRINT, CLRPARERR);
1266 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1267
1268 /* Now see if we can do parity */
1269 ahc_scbram_config(ahc, enable, /*pcheck*/TRUE, fast, large);
1270 num_scbs = ahc_probe_scbs(ahc);
1271 if ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
1272 || (ahc_inb(ahc, ERROR) & MPARERR) == 0)
1273 pcheck = TRUE;
1274
1275 /* Clear any resulting parity error */
1276 ahc_outb(ahc, CLRINT, CLRPARERR);
1277 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1278
1279 /* Now see if we can do fast timing */
1280 ahc_scbram_config(ahc, enable, pcheck, /*fast*/TRUE, large);
1281 test_num_scbs = ahc_probe_scbs(ahc);
1282 if (test_num_scbs == num_scbs
1283 && ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
1284 || (ahc_inb(ahc, ERROR) & MPARERR) == 0))
1285 fast = TRUE;
1286
1287 /*
1288 * See if we can use large SCBs and still maintain
1289 * the same overall count of SCBs.
1290 */
1291 if ((ahc->features & AHC_LARGE_SCBS) != 0) {
1292 ahc_scbram_config(ahc, enable, pcheck, fast, /*large*/TRUE);
1293 test_num_scbs = ahc_probe_scbs(ahc);
1294 if (test_num_scbs >= num_scbs) {
1295 large = TRUE;
1296 num_scbs = test_num_scbs;
1297 if (num_scbs >= 64) {
1298 /*
1299 * We have enough space to move the
1300 * "busy targets table" into SCB space
1301 * and make it qualify all the way to the
1302 * lun level.
1303 */
1304 ahc->flags |= AHC_SCB_BTT;
1305 }
1306 }
1307 }
1308 done:
1309 /*
1310 * Disable parity error reporting until we
1311 * can load instruction ram.
1312 */
1313 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
1314 /* Clear any latched parity error */
1315 ahc_outb(ahc, CLRINT, CLRPARERR);
1316 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1317 if (1/*bootverbose*/ && enable) {
1318 printf("%s: External SRAM, %s access%s, %dbytes/SCB\n",
1319 ahc_name(ahc), fast ? "fast" : "slow",
1320 pcheck ? ", parity checking enabled" : "",
1321 large ? 64 : 32);
1322 }
1323 ahc_scbram_config(ahc, enable, pcheck, fast, large);
1324 }
1325
1326 #if 0
1327 /*
1328 * Perform some simple tests that should catch situations where
1329 * our registers are invalidly mapped.
1330 */
1331 int
1332 ahc_pci_test_register_access(struct ahc_softc *ahc)
1333 {
1334 int error;
1335 u_int status1;
1336 uint32_t cmd;
1337 uint8_t hcntrl;
1338
1339 error = EIO;
1340
1341 /*
1342 * Enable PCI error interrupt status, but suppress NMIs
1343 * generated by SERR raised due to target aborts.
1344 */
1345 cmd = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND);
1346 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND,
1347 cmd & ~PCIM_CMD_SERRESPEN);
1348
1349 /*
1350 * First a simple test to see if any
1351 * registers can be read. Reading
1352 * HCNTRL has no side effects and has
1353 * at least one bit that is guaranteed to
1354 * be zero so it is a good register to
1355 * use for this test.
1356 */
1357 hcntrl = ahc_inb(ahc, HCNTRL);
1358 if (hcntrl == 0xFF)
1359 goto fail;
1360
1361 /*
1362 * Next create a situation where write combining
1363 * or read prefetching could be initiated by the
1364 * CPU or host bridge. Our device does not support
1365 * either, so look for data corruption and/or flagged
1366 * PCI errors.
1367 */
1368 ahc_outb(ahc, HCNTRL, hcntrl|PAUSE);
1369 while (ahc_is_paused(ahc) == 0)
1370 ;
1371 ahc_outb(ahc, SEQCTL, PERRORDIS);
1372 ahc_outb(ahc, SCBPTR, 0);
1373 ahc_outl(ahc, SCB_BASE, 0x5aa555aa);
1374 if (ahc_inl(ahc, SCB_BASE) != 0x5aa555aa)
1375 goto fail;
1376
1377 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1378 PCI_COMMAND_STATUS_REG + 1);
1379 if ((status1 & STA) != 0)
1380 goto fail;
1381
1382 error = 0;
1383
1384 fail:
1385 /* Silently clear any latched errors. */
1386 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1387 PCI_COMMAND_STATUS_REG + 1);
1388 ahc_pci_write_config(ahc->dev_softc, PCIR_STATUS + 1,
1389 status1, /*bytes*/1);
1390 ahc_outb(ahc, CLRINT, CLRPARERR);
1391 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
1392 ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, cmd, /*bytes*/2);
1393 return (error);
1394 }
1395 #endif
1396
1397 void
1398 ahc_pci_intr(struct ahc_softc *ahc)
1399 {
1400 u_int error;
1401 u_int status1;
1402
1403 error = ahc_inb(ahc, ERROR);
1404 if ((error & PCIERRSTAT) == 0)
1405 return;
1406
1407 status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1408 PCI_COMMAND_STATUS_REG);
1409
1410 printf("%s: PCI error Interrupt at seqaddr = 0x%x\n",
1411 ahc_name(ahc),
1412 ahc_inb(ahc, SEQADDR0) | (ahc_inb(ahc, SEQADDR1) << 8));
1413
1414 if (status1 & DPE) {
1415 printf("%s: Data Parity Error Detected during address "
1416 "or write data phase\n", ahc_name(ahc));
1417 }
1418 if (status1 & SSE) {
1419 printf("%s: Signal System Error Detected\n", ahc_name(ahc));
1420 }
1421 if (status1 & RMA) {
1422 printf("%s: Received a Master Abort\n", ahc_name(ahc));
1423 }
1424 if (status1 & RTA) {
1425 printf("%s: Received a Target Abort\n", ahc_name(ahc));
1426 }
1427 if (status1 & STA) {
1428 printf("%s: Signaled a Target Abort\n", ahc_name(ahc));
1429 }
1430 if (status1 & DPR) {
1431 printf("%s: Data Parity Error has been reported via PERR#\n",
1432 ahc_name(ahc));
1433 }
1434
1435 /* Clear latched errors. */
1436 pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG,
1437 status1);
1438
1439 if ((status1 & (DPE|SSE|RMA|RTA|STA|DPR)) == 0) {
1440 printf("%s: Latched PCIERR interrupt with "
1441 "no status bits set\n", ahc_name(ahc));
1442 } else {
1443 ahc_outb(ahc, CLRINT, CLRPARERR);
1444 }
1445
1446 ahc_unpause(ahc);
1447 }
1448
1449 static int
1450 ahc_aic785X_setup(struct ahc_softc *ahc)
1451 {
1452 uint8_t rev;
1453
1454 ahc->channel = 'A';
1455 ahc->chip = AHC_AIC7850;
1456 ahc->features = AHC_AIC7850_FE;
1457 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1458 rev = PCI_REVISION(ahc->bd->class);
1459 if (rev >= 1)
1460 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1461 return (0);
1462 }
1463
1464 static int
1465 ahc_aic7860_setup(struct ahc_softc *ahc)
1466 {
1467 uint8_t rev;
1468
1469 ahc->channel = 'A';
1470 ahc->chip = AHC_AIC7860;
1471 ahc->features = AHC_AIC7860_FE;
1472 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1473 rev = PCI_REVISION(ahc->bd->class);
1474 if (rev >= 1)
1475 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1476 return (0);
1477 }
1478
1479 static int
1480 ahc_apa1480_setup(struct ahc_softc *ahc)
1481 {
1482 int error;
1483
1484 error = ahc_aic7860_setup(ahc);
1485 if (error != 0)
1486 return (error);
1487 ahc->features |= AHC_REMOVABLE;
1488 return (0);
1489 }
1490
1491 static int
1492 ahc_aic7870_setup(struct ahc_softc *ahc)
1493 {
1494
1495 ahc->channel = 'A';
1496 ahc->chip = AHC_AIC7870;
1497 ahc->features = AHC_AIC7870_FE;
1498 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1499 return (0);
1500 }
1501
1502 static int
1503 ahc_aha394X_setup(struct ahc_softc *ahc)
1504 {
1505 int error;
1506
1507 error = ahc_aic7870_setup(ahc);
1508 if (error == 0)
1509 error = ahc_aha394XX_setup(ahc);
1510 return (error);
1511 }
1512
1513 static int
1514 ahc_aha398X_setup(struct ahc_softc *ahc)
1515 {
1516 int error;
1517
1518 error = ahc_aic7870_setup(ahc);
1519 if (error == 0)
1520 error = ahc_aha398XX_setup(ahc);
1521 return (error);
1522 }
1523
1524 static int
1525 ahc_aha494X_setup(struct ahc_softc *ahc)
1526 {
1527 int error;
1528
1529 error = ahc_aic7870_setup(ahc);
1530 if (error == 0)
1531 error = ahc_aha494XX_setup(ahc);
1532 return (error);
1533 }
1534
1535 static int
1536 ahc_aic7880_setup(struct ahc_softc *ahc)
1537 {
1538 uint8_t rev;
1539
1540 ahc->channel = 'A';
1541 ahc->chip = AHC_AIC7880;
1542 ahc->features = AHC_AIC7880_FE;
1543 ahc->bugs |= AHC_TMODE_WIDEODD_BUG;
1544 rev = PCI_REVISION(ahc->bd->class);
1545 if (rev >= 1) {
1546 ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
1547 } else {
1548 ahc->bugs |= AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
1549 }
1550 return (0);
1551 }
1552
1553 static int
1554 ahc_aha2940Pro_setup(struct ahc_softc *ahc)
1555 {
1556
1557 ahc->flags |= AHC_INT50_SPEEDFLEX;
1558 return (ahc_aic7880_setup(ahc));
1559 }
1560
1561 static int
1562 ahc_aha394XU_setup(struct ahc_softc *ahc)
1563 {
1564 int error;
1565
1566 error = ahc_aic7880_setup(ahc);
1567 if (error == 0)
1568 error = ahc_aha394XX_setup(ahc);
1569 return (error);
1570 }
1571
1572 static int
1573 ahc_aha398XU_setup(struct ahc_softc *ahc)
1574 {
1575 int error;
1576
1577 error = ahc_aic7880_setup(ahc);
1578 if (error == 0)
1579 error = ahc_aha398XX_setup(ahc);
1580 return (error);
1581 }
1582
1583 static int
1584 ahc_aic7890_setup(struct ahc_softc *ahc)
1585 {
1586 uint8_t rev;
1587
1588 ahc->channel = 'A';
1589 ahc->chip = AHC_AIC7890;
1590 ahc->features = AHC_AIC7890_FE;
1591 ahc->flags |= AHC_NEWEEPROM_FMT;
1592 rev = PCI_REVISION(ahc->bd->class);
1593 if (rev == 0)
1594 ahc->bugs |= AHC_AUTOFLUSH_BUG|AHC_CACHETHEN_BUG;
1595 return (0);
1596 }
1597
1598 static int
1599 ahc_aic7892_setup(struct ahc_softc *ahc)
1600 {
1601
1602 ahc->channel = 'A';
1603 ahc->chip = AHC_AIC7892;
1604 ahc->features = AHC_AIC7892_FE;
1605 ahc->flags |= AHC_NEWEEPROM_FMT;
1606 ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
1607 return (0);
1608 }
1609
1610 static int
1611 ahc_aic7895_setup(struct ahc_softc *ahc)
1612 {
1613 uint8_t rev;
1614
1615 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1616 /*
1617 * The 'C' revision of the aic7895 has a few additional features.
1618 */
1619 rev = PCI_REVISION(ahc->bd->class);
1620 if (rev >= 4) {
1621 ahc->chip = AHC_AIC7895C;
1622 ahc->features = AHC_AIC7895C_FE;
1623 } else {
1624 u_int command;
1625
1626 ahc->chip = AHC_AIC7895;
1627 ahc->features = AHC_AIC7895_FE;
1628
1629 /*
1630 * The BIOS disables the use of MWI transactions
1631 * since it does not have the MWI bug work around
1632 * we have. Disabling MWI reduces performance, so
1633 * turn it on again.
1634 */
1635 command = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
1636 PCI_COMMAND_STATUS_REG);
1637 command |= PCI_COMMAND_INVALIDATE_ENABLE;
1638 pci_conf_write(ahc->bd->pc, ahc->bd->tag,
1639 PCI_COMMAND_STATUS_REG, command);
1640 ahc->bugs |= AHC_PCI_MWI_BUG;
1641 }
1642 /*
1643 * XXX Does CACHETHEN really not work??? What about PCI retry?
1644 * on C level chips. Need to test, but for now, play it safe.
1645 */
1646 ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_PCI_2_1_RETRY_BUG
1647 | AHC_CACHETHEN_BUG;
1648
1649 #if 0
1650 uint32_t devconfig;
1651
1652 /*
1653 * Cachesize must also be zero due to stray DAC
1654 * problem when sitting behind some bridges.
1655 */
1656 pci_conf_write(ahc->bd->pc, ahc->bd->tag, CSIZE_LATTIME, 0);
1657 devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
1658 devconfig |= MRDCEN;
1659 pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig);
1660 #endif
1661 ahc->flags |= AHC_NEWEEPROM_FMT;
1662 return (0);
1663 }
1664
1665 static int
1666 ahc_aic7896_setup(struct ahc_softc *ahc)
1667 {
1668 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1669 ahc->chip = AHC_AIC7896;
1670 ahc->features = AHC_AIC7896_FE;
1671 ahc->flags |= AHC_NEWEEPROM_FMT;
1672 ahc->bugs |= AHC_CACHETHEN_DIS_BUG;
1673 return (0);
1674 }
1675
1676 static int
1677 ahc_aic7899_setup(struct ahc_softc *ahc)
1678 {
1679 ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
1680 ahc->chip = AHC_AIC7899;
1681 ahc->features = AHC_AIC7899_FE;
1682 ahc->flags |= AHC_NEWEEPROM_FMT;
1683 ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
1684 return (0);
1685 }
1686
1687 static int
1688 ahc_aha29160C_setup(struct ahc_softc *ahc)
1689 {
1690 int error;
1691
1692 error = ahc_aic7899_setup(ahc);
1693 if (error != 0)
1694 return (error);
1695 ahc->features |= AHC_REMOVABLE;
1696 return (0);
1697 }
1698
1699 static int
1700 ahc_raid_setup(struct ahc_softc *ahc)
1701 {
1702 printf("RAID functionality unsupported\n");
1703 return (ENXIO);
1704 }
1705
1706 static int
1707 ahc_aha394XX_setup(struct ahc_softc *ahc)
1708 {
1709
1710 switch (ahc->bd->dev) {
1711 case AHC_394X_SLOT_CHANNEL_A:
1712 ahc->channel = 'A';
1713 break;
1714 case AHC_394X_SLOT_CHANNEL_B:
1715 ahc->channel = 'B';
1716 break;
1717 default:
1718 printf("adapter at unexpected slot %d\n"
1719 "unable to map to a channel\n",
1720 ahc->bd->dev);
1721 ahc->channel = 'A';
1722 }
1723 return (0);
1724 }
1725
1726 static int
1727 ahc_aha398XX_setup(struct ahc_softc *ahc)
1728 {
1729
1730 switch (ahc->bd->dev) {
1731 case AHC_398X_SLOT_CHANNEL_A:
1732 ahc->channel = 'A';
1733 break;
1734 case AHC_398X_SLOT_CHANNEL_B:
1735 ahc->channel = 'B';
1736 break;
1737 case AHC_398X_SLOT_CHANNEL_C:
1738 ahc->channel = 'C';
1739 break;
1740 default:
1741 printf("adapter at unexpected slot %d\n"
1742 "unable to map to a channel\n",
1743 ahc->bd->dev);
1744 ahc->channel = 'A';
1745 break;
1746 }
1747 ahc->flags |= AHC_LARGE_SEEPROM;
1748 return (0);
1749 }
1750
1751 static int
1752 ahc_aha494XX_setup(struct ahc_softc *ahc)
1753 {
1754
1755 switch (ahc->bd->dev) {
1756 case AHC_494X_SLOT_CHANNEL_A:
1757 ahc->channel = 'A';
1758 break;
1759 case AHC_494X_SLOT_CHANNEL_B:
1760 ahc->channel = 'B';
1761 break;
1762 case AHC_494X_SLOT_CHANNEL_C:
1763 ahc->channel = 'C';
1764 break;
1765 case AHC_494X_SLOT_CHANNEL_D:
1766 ahc->channel = 'D';
1767 break;
1768 default:
1769 printf("adapter at unexpected slot %d\n"
1770 "unable to map to a channel\n",
1771 ahc->bd->dev);
1772 ahc->channel = 'A';
1773 }
1774 ahc->flags |= AHC_LARGE_SEEPROM;
1775 return (0);
1776 }
Cache object: 5f68ed12a7e8db44b26ae72a18193737
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