ahc_pci.c revision 1.28 1 /* $NetBSD: ahc_pci.c,v 1.28 2000/12/28 22:59:11 sommerfeld Exp $ */
2
3 /*
4 * Product specific probe and attach routines for:
5 * 3940, 2940, aic7895, aic7890, aic7880,
6 * aic7870, aic7860 and aic7850 SCSI controllers
7 *
8 * Copyright (c) 1994, 1995, 1996, 1997, 1998, 1999, 2000 Justin T. Gibbs.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
19 *
20 * Alternatively, this software may be distributed under the terms of the
21 * the GNU Public License ("GPL").
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
27 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * $FreeBSD: src/sys/dev/aic7xxx/ahc_pci.c,v 1.28 2000/02/09 21:00:22 gibbs Exp $
36 */
37
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/malloc.h>
41 #include <sys/kernel.h>
42 #include <sys/queue.h>
43 #include <sys/device.h>
44 #include <sys/reboot.h>
45
46 #include <machine/bus.h>
47 #include <machine/intr.h>
48
49 #include <dev/pci/pcireg.h>
50 #include <dev/pci/pcivar.h>
51
52 /* XXXX some i386 on-board chips act weird when memory-mapped */
53 #ifndef __i386__
54 #define AHC_ALLOW_MEMIO
55 #endif
56
57 #define AHC_PCI_IOADDR PCI_MAPREG_START /* I/O Address */
58 #define AHC_PCI_MEMADDR (PCI_MAPREG_START + 4) /* Mem I/O Address */
59
60 #include <dev/scsipi/scsi_all.h>
61 #include <dev/scsipi/scsipi_all.h>
62 #include <dev/scsipi/scsiconf.h>
63
64 #include <dev/ic/aic7xxxvar.h>
65 #include <dev/ic/smc93cx6var.h>
66
67 #include <dev/microcode/aic7xxx/aic7xxx_reg.h>
68
69 struct ahc_pci_busdata {
70 pci_chipset_tag_t pc;
71 pcitag_t tag;
72 u_int dev;
73 u_int func;
74 };
75
76 static __inline u_int64_t
77 ahc_compose_id(u_int device, u_int vendor, u_int subdevice, u_int subvendor)
78 {
79 u_int64_t id;
80
81 id = subvendor
82 | (subdevice << 16)
83 | ((u_int64_t)vendor << 32)
84 | ((u_int64_t)device << 48);
85
86 return (id);
87 }
88
89 #define ID_ALL_MASK 0xFFFFFFFFFFFFFFFFull
90 #define ID_DEV_VENDOR_MASK 0xFFFFFFFF00000000ull
91 #define ID_AIC7850 0x5078900400000000ull
92 #define ID_AHA_2910_15_20_30C 0x5078900478509004ull
93 #define ID_AIC7855 0x5578900400000000ull
94 #define ID_AIC7859 0x3860900400000000ull
95 #define ID_AHA_2930CU 0x3860900438699004ull
96 #define ID_AIC7860 0x6078900400000000ull
97 #define ID_AIC7860C 0x6078900478609004ull
98 #define ID_AHA_2940AU_0 0x6178900400000000ull
99 #define ID_AHA_2940AU_1 0x6178900478619004ull
100 #define ID_AHA_2940AU_CN 0x2178900478219004ull
101 #define ID_AHA_2930C_VAR 0x6038900438689004ull
102
103 #define ID_AIC7870 0x7078900400000000ull
104 #define ID_AHA_2940 0x7178900400000000ull
105 #define ID_AHA_3940 0x7278900400000000ull
106 #define ID_AHA_398X 0x7378900400000000ull
107 #define ID_AHA_2944 0x7478900400000000ull
108 #define ID_AHA_3944 0x7578900400000000ull
109
110 #define ID_AIC7880 0x8078900400000000ull
111 #define ID_AIC7880_B 0x8078900478809004ull
112 #define ID_AHA_2940U 0x8178900400000000ull
113 #define ID_AHA_3940U 0x8278900400000000ull
114 #define ID_AHA_2944U 0x8478900400000000ull
115 #define ID_AHA_3944U 0x8578900400000000ull
116 #define ID_AHA_398XU 0x8378900400000000ull
117 #define ID_AHA_4944U 0x8678900400000000ull
118 #define ID_AHA_2940UB 0x8178900478819004ull
119 #define ID_AHA_2930U 0x8878900478889004ull
120 #define ID_AHA_2940U_PRO 0x8778900478879004ull
121 #define ID_AHA_2940U_CN 0x0078900478009004ull
122
123 #define ID_AIC7895 0x7895900478959004ull
124 #define ID_AIC7895_RAID_PORT 0x7893900478939004ull
125 #define ID_AHA_2940U_DUAL 0x7895900478919004ull
126 #define ID_AHA_3940AU 0x7895900478929004ull
127 #define ID_AHA_3944AU 0x7895900478949004ull
128
129 #define ID_AIC7890 0x001F9005000F9005ull
130 #define ID_AAA_131U2 0x0013900500039005ull
131 #define ID_AHA_2930U2 0x0011900501819005ull
132 #define ID_AHA_2940U2B 0x00109005A1009005ull
133 #define ID_AHA_2940U2_OEM 0x0010900521809005ull
134 #define ID_AHA_2940U2 0x00109005A1809005ull
135 #define ID_AHA_2950U2B 0x00109005E1009005ull
136
137 #define ID_AIC7892 0x008F9005FFFF9005ull
138 #define ID_AHA_29160 0x00809005E2A09005ull
139 #define ID_AHA_29160_CPQ 0x00809005E2A00E11ull
140 #define ID_AHA_29160N 0x0080900562A09005ull
141 #define ID_AHA_29160B 0x00809005E2209005ull
142 #define ID_AHA_19160B 0x0081900562A19005ull
143
144 #define ID_AIC7896 0x005F9005FFFF9005ull
145 #define ID_AHA_3950U2B_0 0x00509005FFFF9005ull
146 #define ID_AHA_3950U2B_1 0x00509005F5009005ull
147 #define ID_AHA_3950U2D_0 0x00519005FFFF9005ull
148 #define ID_AHA_3950U2D_1 0x00519005B5009005ull
149
150 #define ID_AIC7899 0x00CF9005FFFF9005ull
151 #define ID_AHA_3960D 0x00C09005F6209005ull /* AKA AHA-39160 */
152 #define ID_AHA_3960D_CPQ 0x00C09005F6200E11ull
153
154 #define ID_AIC7810 0x1078900400000000ull
155 #define ID_AIC7815 0x7815900400000000ull
156
157 typedef int (ahc_device_setup_t)(struct pci_attach_args *, char *,
158 ahc_chip *, ahc_feature *, ahc_flag *);
159
160 static ahc_device_setup_t ahc_aic7850_setup;
161 static ahc_device_setup_t ahc_aic7855_setup;
162 static ahc_device_setup_t ahc_aic7859_setup;
163 static ahc_device_setup_t ahc_aic7860_setup;
164 static ahc_device_setup_t ahc_aic7870_setup;
165 static ahc_device_setup_t ahc_aha394X_setup;
166 static ahc_device_setup_t ahc_aha398X_setup;
167 static ahc_device_setup_t ahc_aic7880_setup;
168 static ahc_device_setup_t ahc_2940Pro_setup;
169 static ahc_device_setup_t ahc_aha394XU_setup;
170 static ahc_device_setup_t ahc_aha398XU_setup;
171 static ahc_device_setup_t ahc_aic7890_setup;
172 static ahc_device_setup_t ahc_aic7892_setup;
173 static ahc_device_setup_t ahc_aic7895_setup;
174 static ahc_device_setup_t ahc_aic7896_setup;
175 static ahc_device_setup_t ahc_aic7899_setup;
176 static ahc_device_setup_t ahc_raid_setup;
177 static ahc_device_setup_t ahc_aha394XX_setup;
178 static ahc_device_setup_t ahc_aha398XX_setup;
179
180 struct ahc_pci_identity {
181 u_int64_t full_id;
182 u_int64_t id_mask;
183 char *name;
184 ahc_device_setup_t *setup;
185 };
186
187 struct ahc_pci_identity ahc_pci_ident_table [] =
188 {
189 /* aic7850 based controllers */
190 {
191 ID_AHA_2910_15_20_30C,
192 ID_ALL_MASK,
193 "Adaptec 2910/15/20/30C SCSI adapter",
194 ahc_aic7850_setup
195 },
196 /* aic7859 based controllers */
197 {
198 ID_AHA_2930CU,
199 ID_ALL_MASK,
200 "Adaptec 2930CU SCSI adapter",
201 ahc_aic7859_setup
202 },
203 /* aic7860 based controllers */
204 {
205 ID_AHA_2940AU_0 & ID_DEV_VENDOR_MASK,
206 ID_DEV_VENDOR_MASK,
207 "Adaptec 2940A Ultra SCSI adapter",
208 ahc_aic7860_setup
209 },
210 {
211 ID_AHA_2940AU_CN & ID_DEV_VENDOR_MASK,
212 ID_DEV_VENDOR_MASK,
213 "Adaptec 2940A/CN Ultra SCSI adapter",
214 ahc_aic7860_setup
215 },
216 {
217 ID_AHA_2930C_VAR & ID_DEV_VENDOR_MASK,
218 ID_DEV_VENDOR_MASK,
219 "Adaptec 2930C SCSI adapter (VAR)",
220 ahc_aic7860_setup
221 },
222 /* aic7870 based controllers */
223 {
224 ID_AHA_2940,
225 ID_ALL_MASK,
226 "Adaptec 2940 SCSI adapter",
227 ahc_aic7870_setup
228 },
229 {
230 ID_AHA_3940,
231 ID_ALL_MASK,
232 "Adaptec 3940 SCSI adapter",
233 ahc_aha394X_setup
234 },
235 {
236 ID_AHA_398X,
237 ID_ALL_MASK,
238 "Adaptec 398X SCSI RAID adapter",
239 ahc_aha398X_setup
240 },
241 {
242 ID_AHA_2944,
243 ID_ALL_MASK,
244 "Adaptec 2944 SCSI adapter",
245 ahc_aic7870_setup
246 },
247 {
248 ID_AHA_3944,
249 ID_ALL_MASK,
250 "Adaptec 3944 SCSI adapter",
251 ahc_aha394X_setup
252 },
253 /* aic7880 based controllers */
254 {
255 ID_AHA_2940U & ID_DEV_VENDOR_MASK,
256 ID_DEV_VENDOR_MASK,
257 "Adaptec 2940 Ultra SCSI adapter",
258 ahc_aic7880_setup
259 },
260 {
261 ID_AHA_3940U & ID_DEV_VENDOR_MASK,
262 ID_DEV_VENDOR_MASK,
263 "Adaptec 3940 Ultra SCSI adapter",
264 ahc_aha394XU_setup
265 },
266 {
267 ID_AHA_2944U & ID_DEV_VENDOR_MASK,
268 ID_DEV_VENDOR_MASK,
269 "Adaptec 2944 Ultra SCSI adapter",
270 ahc_aic7880_setup
271 },
272 {
273 ID_AHA_3944U & ID_DEV_VENDOR_MASK,
274 ID_DEV_VENDOR_MASK,
275 "Adaptec 3944 Ultra SCSI adapter",
276 ahc_aha394XU_setup
277 },
278 {
279 ID_AHA_398XU & ID_DEV_VENDOR_MASK,
280 ID_DEV_VENDOR_MASK,
281 "Adaptec 398X Ultra SCSI RAID adapter",
282 ahc_aha398XU_setup
283 },
284 {
285 /*
286 * XXX Don't know the slot numbers
287 * so we can't identify channels
288 */
289 ID_AHA_4944U & ID_DEV_VENDOR_MASK,
290 ID_DEV_VENDOR_MASK,
291 "Adaptec 4944 Ultra SCSI adapter",
292 ahc_aic7880_setup
293 },
294 {
295 ID_AHA_2930U & ID_DEV_VENDOR_MASK,
296 ID_DEV_VENDOR_MASK,
297 "Adaptec 2930 Ultra SCSI adapter",
298 ahc_aic7880_setup
299 },
300 {
301 ID_AHA_2940U_PRO & ID_DEV_VENDOR_MASK,
302 ID_DEV_VENDOR_MASK,
303 "Adaptec 2940 Pro Ultra SCSI adapter",
304 ahc_2940Pro_setup
305 },
306 {
307 ID_AHA_2940U_CN & ID_DEV_VENDOR_MASK,
308 ID_DEV_VENDOR_MASK,
309 "Adaptec 2940/CN Ultra SCSI adapter",
310 ahc_aic7880_setup
311 },
312 /* aic7890 based controllers */
313 {
314 ID_AHA_2930U2,
315 ID_ALL_MASK,
316 "Adaptec 2930 Ultra2 SCSI adapter",
317 ahc_aic7890_setup
318 },
319 {
320 ID_AHA_2940U2B,
321 ID_ALL_MASK,
322 "Adaptec 2940B Ultra2 SCSI adapter",
323 ahc_aic7890_setup
324 },
325 {
326 ID_AHA_2940U2_OEM,
327 ID_ALL_MASK,
328 "Adaptec 2940 Ultra2 SCSI adapter (OEM)",
329 ahc_aic7890_setup
330 },
331 {
332 ID_AHA_2940U2,
333 ID_ALL_MASK,
334 "Adaptec 2940 Ultra2 SCSI adapter",
335 ahc_aic7890_setup
336 },
337 {
338 ID_AHA_2950U2B,
339 ID_ALL_MASK,
340 "Adaptec 2950 Ultra2 SCSI adapter",
341 ahc_aic7890_setup
342 },
343 {
344 ID_AAA_131U2,
345 ID_ALL_MASK,
346 "Adaptec AAA-131 Ultra2 RAID adapter",
347 ahc_aic7890_setup
348 },
349 /* aic7892 based controllers */
350 {
351 ID_AHA_29160,
352 ID_ALL_MASK,
353 "Adaptec 29160 Ultra160 SCSI adapter",
354 ahc_aic7892_setup
355 },
356 {
357 ID_AHA_29160_CPQ,
358 ID_ALL_MASK,
359 "Adaptec (Compaq OEM) 29160 Ultra160 SCSI adapter",
360 ahc_aic7892_setup
361 },
362 {
363 ID_AHA_29160N,
364 ID_ALL_MASK,
365 "Adaptec 29160N Ultra160 SCSI adapter",
366 ahc_aic7892_setup
367 },
368 {
369 ID_AHA_29160B,
370 ID_ALL_MASK,
371 "Adaptec 29160B Ultra160 SCSI adapter",
372 ahc_aic7892_setup
373 },
374 {
375 ID_AHA_19160B,
376 ID_ALL_MASK,
377 "Adaptec 19160B Ultra160 SCSI adapter",
378 ahc_aic7892_setup
379 },
380 /* aic7895 based controllers */
381 {
382 ID_AHA_2940U_DUAL,
383 ID_ALL_MASK,
384 "Adaptec 2940/DUAL Ultra SCSI adapter",
385 ahc_aic7895_setup
386 },
387 {
388 ID_AHA_3940AU,
389 ID_ALL_MASK,
390 "Adaptec 3940A Ultra SCSI adapter",
391 ahc_aic7895_setup
392 },
393 {
394 ID_AHA_3944AU,
395 ID_ALL_MASK,
396 "Adaptec 3944A Ultra SCSI adapter",
397 ahc_aic7895_setup
398 },
399 /* aic7896/97 based controllers */
400 {
401 ID_AHA_3950U2B_0,
402 ID_ALL_MASK,
403 "Adaptec 3950B Ultra2 SCSI adapter",
404 ahc_aic7896_setup
405 },
406 {
407 ID_AHA_3950U2B_1,
408 ID_ALL_MASK,
409 "Adaptec 3950B Ultra2 SCSI adapter",
410 ahc_aic7896_setup
411 },
412 {
413 ID_AHA_3950U2D_0,
414 ID_ALL_MASK,
415 "Adaptec 3950D Ultra2 SCSI adapter",
416 ahc_aic7896_setup
417 },
418 {
419 ID_AHA_3950U2D_1,
420 ID_ALL_MASK,
421 "Adaptec 3950D Ultra2 SCSI adapter",
422 ahc_aic7896_setup
423 },
424 /* aic7899 based controllers */
425 {
426 ID_AHA_3960D,
427 ID_ALL_MASK,
428 "Adaptec 3960D Ultra160 SCSI adapter",
429 ahc_aic7899_setup
430 },
431 {
432 ID_AHA_3960D_CPQ,
433 ID_ALL_MASK,
434 "Adaptec (Compaq OEM) 3960D Ultra160 SCSI adapter",
435 ahc_aic7899_setup
436 },
437 /* Generic chip probes for devices we don't know 'exactly' */
438 {
439 ID_AIC7850 & ID_DEV_VENDOR_MASK,
440 ID_DEV_VENDOR_MASK,
441 "Adaptec aic7850 SCSI adapter",
442 ahc_aic7850_setup
443 },
444 {
445 ID_AIC7855 & ID_DEV_VENDOR_MASK,
446 ID_DEV_VENDOR_MASK,
447 "Adaptec aic7855 SCSI adapter",
448 ahc_aic7855_setup
449 },
450 {
451 ID_AIC7859 & ID_DEV_VENDOR_MASK,
452 ID_DEV_VENDOR_MASK,
453 "Adaptec aic7859 SCSI adapter",
454 ahc_aic7859_setup
455 },
456 {
457 ID_AIC7860 & ID_DEV_VENDOR_MASK,
458 ID_DEV_VENDOR_MASK,
459 "Adaptec aic7860 SCSI adapter",
460 ahc_aic7860_setup
461 },
462 {
463 ID_AIC7870 & ID_DEV_VENDOR_MASK,
464 ID_DEV_VENDOR_MASK,
465 "Adaptec aic7870 SCSI adapter",
466 ahc_aic7870_setup
467 },
468 {
469 ID_AIC7880 & ID_DEV_VENDOR_MASK,
470 ID_DEV_VENDOR_MASK,
471 "Adaptec aic7880 Ultra SCSI adapter",
472 ahc_aic7880_setup
473 },
474 {
475 ID_AIC7890 & ID_DEV_VENDOR_MASK,
476 ID_DEV_VENDOR_MASK,
477 "Adaptec aic7890/91 Ultra2 SCSI adapter",
478 ahc_aic7890_setup
479 },
480 {
481 ID_AIC7892 & ID_DEV_VENDOR_MASK,
482 ID_DEV_VENDOR_MASK,
483 "Adaptec aic7892 Ultra160 SCSI adapter",
484 ahc_aic7892_setup
485 },
486 {
487 ID_AIC7895 & ID_DEV_VENDOR_MASK,
488 ID_DEV_VENDOR_MASK,
489 "Adaptec aic7895 Ultra SCSI adapter",
490 ahc_aic7895_setup
491 },
492 {
493 ID_AIC7895_RAID_PORT & ID_DEV_VENDOR_MASK,
494 ID_DEV_VENDOR_MASK,
495 "Adaptec aic7895 Ultra SCSI adapter (RAID PORT)",
496 ahc_aic7895_setup
497 },
498 {
499 ID_AIC7896 & ID_DEV_VENDOR_MASK,
500 ID_DEV_VENDOR_MASK,
501 "Adaptec aic7896/97 Ultra2 SCSI adapter",
502 ahc_aic7896_setup
503 },
504 {
505 ID_AIC7899 & ID_DEV_VENDOR_MASK,
506 ID_DEV_VENDOR_MASK,
507 "Adaptec aic7899 Ultra160 SCSI adapter",
508 ahc_aic7899_setup
509 },
510 {
511 ID_AIC7810 & ID_DEV_VENDOR_MASK,
512 ID_DEV_VENDOR_MASK,
513 "Adaptec aic7810 RAID memory controller",
514 ahc_raid_setup
515 },
516 {
517 ID_AIC7815 & ID_DEV_VENDOR_MASK,
518 ID_DEV_VENDOR_MASK,
519 "Adaptec aic7815 RAID memory controller",
520 ahc_raid_setup
521 }
522 };
523
524 static const int ahc_num_pci_devs =
525 sizeof(ahc_pci_ident_table) / sizeof(*ahc_pci_ident_table);
526
527 #define AHC_394X_SLOT_CHANNEL_A 4
528 #define AHC_394X_SLOT_CHANNEL_B 5
529
530 #define AHC_398X_SLOT_CHANNEL_A 4
531 #define AHC_398X_SLOT_CHANNEL_B 8
532 #define AHC_398X_SLOT_CHANNEL_C 12
533
534 #define DEVCONFIG 0x40
535 #define SCBSIZE32 0x00010000 /* aic789X only */
536 #define MPORTMODE 0x00000400 /* aic7870 only */
537 #define RAMPSM 0x00000200 /* aic7870 only */
538 #define VOLSENSE 0x00000100
539 #define SCBRAMSEL 0x00000080
540 #define MRDCEN 0x00000040
541 #define EXTSCBTIME 0x00000020 /* aic7870 only */
542 #define EXTSCBPEN 0x00000010 /* aic7870 only */
543 #define BERREN 0x00000008
544 #define DACEN 0x00000004
545 #define STPWLEVEL 0x00000002
546 #define DIFACTNEGEN 0x00000001 /* aic7870 only */
547
548 #define CSIZE_LATTIME 0x0c
549 #define CACHESIZE 0x0000003f /* only 5 bits */
550 #define LATTIME 0x0000ff00
551
552 static struct ahc_pci_identity *ahc_find_pci_device(pcireg_t, pcireg_t);
553 static int ahc_ext_scbram_present(struct ahc_softc *ahc);
554 static void ahc_ext_scbram_config(struct ahc_softc *ahc, int enable,
555 int pcheck, int fast);
556 static void ahc_probe_ext_scbram(struct ahc_softc *ahc);
557
558 int ahc_pci_probe __P((struct device *, struct cfdata *, void *));
559 void ahc_pci_attach __P((struct device *, struct device *, void *));
560
561 /* Exported for use in the ahc_intr routine */
562 int ahc_pci_intr(struct ahc_softc *ahc);
563
564 struct cfattach ahc_pci_ca = {
565 sizeof(struct ahc_softc), ahc_pci_probe, ahc_pci_attach
566 };
567
568 static struct ahc_pci_identity *
569 ahc_find_pci_device(id, subid)
570 pcireg_t id, subid;
571 {
572 u_int64_t full_id;
573 struct ahc_pci_identity *entry;
574 u_int i;
575
576 full_id = ahc_compose_id(PCI_PRODUCT(id), PCI_VENDOR(id),
577 PCI_PRODUCT(subid), PCI_VENDOR(subid));
578
579 for (i = 0; i < ahc_num_pci_devs; i++) {
580 entry = &ahc_pci_ident_table[i];
581 if (entry->full_id == (full_id & entry->id_mask))
582 return (entry);
583 }
584 return (NULL);
585 }
586
587 int
588 ahc_pci_probe(parent, match, aux)
589 struct device *parent;
590 struct cfdata *match;
591 void *aux;
592 {
593 struct pci_attach_args *pa = aux;
594 struct ahc_pci_identity *entry;
595 pcireg_t subid;
596
597 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
598 entry = ahc_find_pci_device(pa->pa_id, subid);
599 return entry != NULL ? 1 : 0;
600 }
601
602 void
603 ahc_pci_attach(parent, self, aux)
604 struct device *parent, *self;
605 void *aux;
606 {
607 struct pci_attach_args *pa = aux;
608 struct ahc_pci_identity *entry;
609 struct ahc_softc *ahc = (void *)self;
610 pcireg_t command;
611 ahc_chip ahc_t = AHC_NONE;
612 ahc_feature ahc_fe = AHC_FENONE;
613 ahc_flag ahc_f = AHC_FNONE;
614 u_int our_id = 0;
615 u_int sxfrctl1;
616 u_int scsiseq;
617 int error;
618 char channel;
619 pcireg_t subid;
620 int ioh_valid, memh_valid;
621 bus_space_tag_t st, iot;
622 bus_space_handle_t sh, ioh;
623 #ifdef AHC_ALLOW_MEMIO
624 bus_space_tag_t memt;
625 bus_space_handle_t memh;
626 pcireg_t memtype;
627 #endif
628 pci_intr_handle_t ih;
629 const char *intrstr;
630 struct ahc_pci_busdata *bd;
631
632 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
633 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
634 entry = ahc_find_pci_device(pa->pa_id, subid);
635 if (entry == NULL)
636 return;
637 error = entry->setup(pa, &channel, &ahc_t, &ahc_fe, &ahc_f);
638 if (error != 0)
639 return;
640
641 ioh_valid = memh_valid = 0;
642
643 #ifdef AHC_ALLOW_MEMIO
644 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, AHC_PCI_MEMADDR);
645 switch (memtype) {
646 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
647 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
648 memh_valid = (pci_mapreg_map(pa, AHC_PCI_MEMADDR,
649 memtype, 0, &memt, &memh, NULL, NULL) == 0);
650 break;
651 default:
652 memh_valid = 0;
653 }
654 #endif
655 ioh_valid = (pci_mapreg_map(pa, AHC_PCI_IOADDR,
656 PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, NULL, NULL) == 0);
657
658 if (ioh_valid) {
659 st = iot;
660 sh = ioh;
661 #ifdef AHC_ALLOW_MEMIO
662 } else if (memh_valid) {
663 st = memt;
664 sh = memh;
665 #endif
666 } else {
667 printf(": unable to map registers\n");
668 return;
669 }
670
671 printf("\n");
672
673
674 /* Ensure busmastering is enabled */
675 command |= PCI_COMMAND_MASTER_ENABLE;;
676 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
677
678 /* On all PCI adapters, we allow SCB paging */
679 ahc_f |= AHC_PAGESCBS;
680 if (ahc_alloc(ahc, sh, st, pa->pa_dmat,
681 ahc_t|AHC_PCI, ahc_fe, ahc_f) < 0)
682 return;
683
684 bd = malloc(sizeof (struct ahc_pci_busdata), M_DEVBUF, M_NOWAIT);
685 if (bd == NULL) {
686 printf(": unable to allocate bus-specific data\n");
687 return;
688 }
689
690 bd->pc = pa->pa_pc;
691 bd->tag = pa->pa_tag;
692 bd->func = pa->pa_function;
693 bd->dev = pa->pa_device;
694
695 ahc->bus_data = bd;
696 ahc->bus_intr = ahc_pci_intr;
697 ahc->channel = channel;
698
699 /* Remeber how the card was setup in case there is no SEEPROM */
700 ahc_outb(ahc, HCNTRL, ahc->pause);
701 if ((ahc->features & AHC_ULTRA2) != 0)
702 our_id = ahc_inb(ahc, SCSIID_ULTRA2) & OID;
703 else
704 our_id = ahc_inb(ahc, SCSIID) & OID;
705 sxfrctl1 = ahc_inb(ahc, SXFRCTL1) & STPWEN;
706 scsiseq = ahc_inb(ahc, SCSISEQ);
707
708 if (ahc_reset(ahc) != 0) {
709 /* Failed */
710 ahc_free(ahc);
711 return;
712 }
713
714 if ((ahc->features & AHC_DT) != 0) {
715 u_int optionmode;
716 u_int sfunct;
717
718 /* Perform ALT-Mode Setup */
719 sfunct = ahc_inb(ahc, SFUNCT) & ~ALT_MODE;
720 ahc_outb(ahc, SFUNCT, sfunct | ALT_MODE);
721 optionmode = ahc_inb(ahc, OPTIONMODE);
722 printf("OptionMode = %x\n", optionmode);
723 ahc_outb(ahc, OPTIONMODE, OPTIONMODE_DEFAULTS);
724 /* Send CRC info in target mode every 4K */
725 ahc_outb(ahc, TARGCRCCNT, 0);
726 ahc_outb(ahc, TARGCRCCNT + 1, 0x10);
727 ahc_outb(ahc, SFUNCT, sfunct);
728
729 /* Normal mode setup */
730 ahc_outb(ahc, CRCCONTROL1, CRCVALCHKEN|CRCENDCHKEN|CRCREQCHKEN
731 |TARGCRCENDEN|TARGCRCCNTEN);
732 }
733
734 if (pci_intr_map(pa, &ih)) {
735 printf("%s: couldn't map interrupt\n", ahc->sc_dev.dv_xname);
736 ahc_free(ahc);
737 return;
738 }
739 intrstr = pci_intr_string(pa->pa_pc, ih);
740 ahc->ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, ahc_intr, ahc);
741 if (ahc->ih == NULL) {
742 printf("%s: couldn't establish interrupt",
743 ahc->sc_dev.dv_xname);
744 if (intrstr != NULL)
745 printf(" at %s", intrstr);
746 printf("\n");
747 ahc_free(ahc);
748 return;
749 }
750 if (intrstr != NULL)
751 printf("%s: interrupting at %s\n", ahc->sc_dev.dv_xname,
752 intrstr);
753
754 /*
755 * Do aic7880/aic7870/aic7860/aic7850 specific initialization
756 */
757 {
758 u_int8_t sblkctl;
759 u_int dscommand0;
760
761 dscommand0 = ahc_inb(ahc, DSCOMMAND0);
762 dscommand0 |= MPARCKEN;
763 if ((ahc->features & AHC_ULTRA2) != 0) {
764
765 /*
766 * DPARCKEN doesn't work correctly on
767 * some MBs so don't use it.
768 */
769 dscommand0 &= ~(USCBSIZE32|DPARCKEN);
770 dscommand0 |= CACHETHEN;
771 }
772
773 ahc_outb(ahc, DSCOMMAND0, dscommand0);
774
775 /* See if we have an SEEPROM and perform auto-term */
776 check_extport(ahc, &sxfrctl1);
777
778 /*
779 * Take the LED out of diagnostic mode
780 */
781 sblkctl = ahc_inb(ahc, SBLKCTL);
782 ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON)));
783
784 /*
785 * I don't know where this is set in the SEEPROM or by the
786 * BIOS, so we default to 100% on Ultra or slower controllers
787 * and 75% on ULTRA2 controllers.
788 */
789 if ((ahc->features & AHC_ULTRA2) != 0) {
790 ahc_outb(ahc, DFF_THRSH, RD_DFTHRSH_75|WR_DFTHRSH_75);
791 } else {
792 ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100);
793 }
794
795 if (ahc->flags & AHC_USEDEFAULTS) {
796 /*
797 * PCI Adapter default setup
798 * Should only be used if the adapter does not have
799 * an SEEPROM.
800 */
801 /* See if someone else set us up already */
802 if (scsiseq != 0) {
803 printf("%s: Using left over BIOS settings\n",
804 ahc_name(ahc));
805 ahc->flags &= ~AHC_USEDEFAULTS;
806 } else {
807 /*
808 * Assume only one connector and always turn
809 * on termination.
810 */
811 our_id = 0x07;
812 sxfrctl1 = STPWEN;
813 }
814 ahc_outb(ahc, SCSICONF, our_id|ENSPCHK|RESET_SCSI);
815
816 ahc->our_id = our_id;
817 }
818 }
819
820 /*
821 * Take a look to see if we have external SRAM.
822 * We currently do not attempt to use SRAM that is
823 * shared among multiple controllers.
824 */
825 ahc_probe_ext_scbram(ahc);
826
827
828 printf("%s: %s ", ahc_name(ahc),
829 ahc_chip_names[ahc->chip & AHC_CHIPID_MASK]);
830
831 /*
832 * Record our termination setting for the
833 * generic initialization routine.
834 */
835 if ((sxfrctl1 & STPWEN) != 0)
836 ahc->flags |= AHC_TERM_ENB_A;
837
838 if (ahc_init(ahc)) {
839 ahc_free(ahc);
840 return;
841 }
842
843 ahc_attach(ahc);
844 }
845
846 /*
847 * Test for the presense of external sram in an
848 * "unshared" configuration.
849 */
850 static int
851 ahc_ext_scbram_present(struct ahc_softc *ahc)
852 {
853 int ramps;
854 int single_user;
855 pcireg_t devconfig;
856 struct ahc_pci_busdata *bd = ahc->bus_data;
857
858 devconfig = pci_conf_read(bd->pc, bd->tag, DEVCONFIG);
859 single_user = (devconfig & MPORTMODE) != 0;
860
861 if ((ahc->features & AHC_ULTRA2) != 0)
862 ramps = (ahc_inb(ahc, DSCOMMAND0) & RAMPS) != 0;
863 else if ((ahc->chip & AHC_CHIPID_MASK) >= AHC_AIC7870)
864 ramps = (devconfig & RAMPSM) != 0;
865 else
866 ramps = 0;
867
868 if (ramps && single_user)
869 return (1);
870 return (0);
871 }
872
873 /*
874 * Enable external scbram.
875 */
876 static void
877 ahc_ext_scbram_config(struct ahc_softc *ahc, int enable, int pcheck, int fast)
878 {
879 pcireg_t devconfig;
880 struct ahc_pci_busdata *bd = ahc->bus_data;
881
882 if (ahc->features & AHC_MULTI_FUNC) {
883 /*
884 * Set the SCB Base addr (highest address bit)
885 * depending on which channel we are.
886 */
887 ahc_outb(ahc, SCBBADDR, (u_int8_t)bd->func);
888 }
889
890 devconfig = pci_conf_read(bd->pc, bd->tag, DEVCONFIG);
891 if ((ahc->features & AHC_ULTRA2) != 0) {
892 u_int dscommand0;
893
894 dscommand0 = ahc_inb(ahc, DSCOMMAND0);
895 if (enable)
896 dscommand0 &= ~INTSCBRAMSEL;
897 else
898 dscommand0 |= INTSCBRAMSEL;
899 ahc_outb(ahc, DSCOMMAND0, dscommand0);
900 } else {
901 if (fast)
902 devconfig &= ~EXTSCBTIME;
903 else
904 devconfig |= EXTSCBTIME;
905 if (enable)
906 devconfig &= ~SCBRAMSEL;
907 else
908 devconfig |= SCBRAMSEL;
909 }
910 if (pcheck)
911 devconfig |= EXTSCBPEN;
912 else
913 devconfig &= ~EXTSCBPEN;
914
915 pci_conf_write(bd->pc, bd->tag, DEVCONFIG, devconfig);
916 }
917
918 /*
919 * Take a look to see if we have external SRAM.
920 * We currently do not attempt to use SRAM that is
921 * shared among multiple controllers.
922 */
923 static void
924 ahc_probe_ext_scbram(struct ahc_softc *ahc)
925 {
926 int num_scbs;
927 int test_num_scbs;
928 int enable;
929 int pcheck;
930 int fast;
931
932 if (ahc_ext_scbram_present(ahc) == 0)
933 return;
934
935 /*
936 * Probe for the best parameters to use.
937 */
938 enable = FALSE;
939 pcheck = FALSE;
940 fast = FALSE;
941 ahc_ext_scbram_config(ahc, /*enable*/TRUE, pcheck, fast);
942 num_scbs = ahc_probe_scbs(ahc);
943 if (num_scbs == 0) {
944 /* The SRAM wasn't really present. */
945 goto done;
946 }
947 enable = TRUE;
948
949 /*
950 * Clear any outstanding parity error
951 * and ensure that parity error reporting
952 * is enabled.
953 */
954 ahc_outb(ahc, SEQCTL, 0);
955 ahc_outb(ahc, CLRINT, CLRPARERR);
956 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
957
958 /* Now see if we can do parity */
959 ahc_ext_scbram_config(ahc, enable, /*pcheck*/TRUE, fast);
960 num_scbs = ahc_probe_scbs(ahc);
961 if ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
962 || (ahc_inb(ahc, ERROR) & MPARERR) == 0)
963 pcheck = TRUE;
964
965 /* Clear any resulting parity error */
966 ahc_outb(ahc, CLRINT, CLRPARERR);
967 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
968
969 /* Now see if we can do fast timing */
970 ahc_ext_scbram_config(ahc, enable, pcheck, /*fast*/TRUE);
971 test_num_scbs = ahc_probe_scbs(ahc);
972 if (test_num_scbs == num_scbs
973 && ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
974 || (ahc_inb(ahc, ERROR) & MPARERR) == 0))
975 fast = TRUE;
976
977 done:
978 /*
979 * Disable parity error reporting until we
980 * can load instruction ram.
981 */
982 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
983 /* Clear any latched parity error */
984 ahc_outb(ahc, CLRINT, CLRPARERR);
985 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
986 if (bootverbose && enable) {
987 printf("%s: External SRAM, %s access%s\n",
988 ahc_name(ahc), fast ? "fast" : "slow",
989 pcheck ? ", parity checking enabled" : "");
990
991 }
992 ahc_ext_scbram_config(ahc, enable, pcheck, fast);
993 }
994
995 #define DPE PCI_STATUS_PARITY_DETECT
996 #define SSE PCI_STATUS_SPECIAL_ERROR
997 #define RMA PCI_STATUS_MASTER_ABORT
998 #define RTA PCI_STATUS_MASTER_TARGET_ABORT
999 #define STA PCI_STATUS_TARGET_TARGET_ABORT
1000 #define DPR PCI_STATUS_PARITY_ERROR
1001
1002 int
1003 ahc_pci_intr(struct ahc_softc *ahc)
1004 {
1005 pcireg_t status1;
1006 struct ahc_pci_busdata *bd = ahc->bus_data;
1007
1008 if ((ahc_inb(ahc, ERROR) & PCIERRSTAT) == 0)
1009 return 0;
1010
1011 status1 = pci_conf_read(bd->pc, bd->tag, PCI_COMMAND_STATUS_REG);
1012
1013 if (status1 & DPE) {
1014 printf("%s: Data Parity Error Detected during address "
1015 "or write data phase\n", ahc_name(ahc));
1016 }
1017 if (status1 & SSE) {
1018 printf("%s: Signal System Error Detected\n", ahc_name(ahc));
1019 }
1020 if (status1 & RMA) {
1021 printf("%s: Received a Master Abort\n", ahc_name(ahc));
1022 }
1023 if (status1 & RTA) {
1024 printf("%s: Received a Target Abort\n", ahc_name(ahc));
1025 }
1026 if (status1 & STA) {
1027 printf("%s: Signaled a Target Abort\n", ahc_name(ahc));
1028 }
1029 if (status1 & DPR) {
1030 printf("%s: Data Parity Error has been reported via PERR#\n",
1031 ahc_name(ahc));
1032 }
1033 if ((status1 & (DPE|SSE|RMA|RTA|STA|DPR)) == 0) {
1034 printf("%s: Latched PCIERR interrupt with "
1035 "no status bits set\n", ahc_name(ahc));
1036 }
1037 pci_conf_write(bd->pc, bd->tag, PCI_COMMAND_STATUS_REG, status1);
1038
1039 if (status1 & (DPR|RMA|RTA)) {
1040 ahc_outb(ahc, CLRINT, CLRPARERR);
1041 }
1042
1043 return 1;
1044 }
1045
1046 static int
1047 ahc_aic7850_setup(struct pci_attach_args *pa, char *channel,
1048 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1049 {
1050 *channel = 'A';
1051 *chip = AHC_AIC7850;
1052 *features = AHC_AIC7850_FE;
1053 return (0);
1054 }
1055
1056 static int
1057 ahc_aic7855_setup(struct pci_attach_args *pa, char *channel,
1058 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1059 {
1060 *channel = 'A';
1061 *chip = AHC_AIC7855;
1062 *features = AHC_AIC7855_FE;
1063 return (0);
1064 }
1065
1066 static int
1067 ahc_aic7859_setup(struct pci_attach_args *pa, char *channel,
1068 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1069 {
1070 *channel = 'A';
1071 *chip = AHC_AIC7859;
1072 *features = AHC_AIC7859_FE;
1073 return (0);
1074 }
1075
1076 static int
1077 ahc_aic7860_setup(struct pci_attach_args *pa, char *channel,
1078 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1079 {
1080 *channel = 'A';
1081 *chip = AHC_AIC7860;
1082 *features = AHC_AIC7860_FE;
1083 return (0);
1084 }
1085
1086 static int
1087 ahc_aic7870_setup(struct pci_attach_args *pa, char *channel,
1088 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1089 {
1090 *channel = 'A';
1091 *chip = AHC_AIC7870;
1092 *features = AHC_AIC7870_FE;
1093 return (0);
1094 }
1095
1096 static int
1097 ahc_aha394X_setup(struct pci_attach_args *pa, char *channel,
1098 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1099 {
1100 int error;
1101
1102 error = ahc_aic7870_setup(pa, channel, chip, features, flags);
1103 if (error == 0)
1104 error = ahc_aha394XX_setup(pa, channel, chip, features, flags);
1105 return (error);
1106 }
1107
1108 static int
1109 ahc_aha398X_setup(struct pci_attach_args *pa, char *channel,
1110 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1111 {
1112 int error;
1113
1114 error = ahc_aic7870_setup(pa, channel, chip, features, flags);
1115 if (error == 0)
1116 error = ahc_aha398XX_setup(pa, channel, chip, features, flags);
1117 return (error);
1118 }
1119
1120 static int
1121 ahc_aic7880_setup(struct pci_attach_args *pa, char *channel,
1122 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1123 {
1124 *channel = 'A';
1125 *chip = AHC_AIC7880;
1126 *features = AHC_AIC7880_FE;
1127 return (0);
1128 }
1129
1130 static int
1131 ahc_2940Pro_setup(struct pci_attach_args *pa, char *channel,
1132 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1133 {
1134 int error;
1135
1136 *flags |= AHC_INT50_SPEEDFLEX;
1137 error = ahc_aic7880_setup(pa, channel, chip, features, flags);
1138 return (0);
1139 }
1140
1141 static int
1142 ahc_aha394XU_setup(struct pci_attach_args *pa, char *channel,
1143 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1144 {
1145 int error;
1146
1147 error = ahc_aic7880_setup(pa, channel, chip, features, flags);
1148 if (error == 0)
1149 error = ahc_aha394XX_setup(pa, channel, chip, features, flags);
1150 return (error);
1151 }
1152
1153 static int
1154 ahc_aha398XU_setup(struct pci_attach_args *pa, char *channel,
1155 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1156 {
1157 int error;
1158
1159 error = ahc_aic7880_setup(pa, channel, chip, features, flags);
1160 if (error == 0)
1161 error = ahc_aha398XX_setup(pa, channel, chip, features, flags);
1162 return (error);
1163 }
1164
1165 static int
1166 ahc_aic7890_setup(struct pci_attach_args *pa, char *channel,
1167 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1168 {
1169 *channel = 'A';
1170 *chip = AHC_AIC7890;
1171 *features = AHC_AIC7890_FE;
1172 *flags |= AHC_NEWEEPROM_FMT;
1173 return (0);
1174 }
1175
1176 static int
1177 ahc_aic7892_setup(struct pci_attach_args *pa, char *channel,
1178 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1179 {
1180 *channel = 'A';
1181 *chip = AHC_AIC7892;
1182 *features = AHC_AIC7892_FE;
1183 *flags |= AHC_NEWEEPROM_FMT;
1184 return (0);
1185 }
1186
1187 static int
1188 ahc_aic7895_setup(struct pci_attach_args *pa, char *channel,
1189 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1190 {
1191 pcireg_t devconfig;
1192
1193 *channel = pa->pa_function == 1 ? 'B' : 'A';
1194 *chip = AHC_AIC7895;
1195 /* The 'C' revision of the aic7895 has a few additional features */
1196 if (PCI_REVISION(pa->pa_class) >= 4)
1197 *features = AHC_AIC7895C_FE;
1198 else
1199 *features = AHC_AIC7895_FE;
1200 *flags |= AHC_NEWEEPROM_FMT;
1201 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
1202 devconfig &= ~SCBSIZE32;
1203 pci_conf_write(pa->pa_pc, pa->pa_tag, DEVCONFIG, devconfig);
1204 return (0);
1205 }
1206
1207 static int
1208 ahc_aic7896_setup(struct pci_attach_args *pa, char *channel,
1209 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1210 {
1211 *channel = pa->pa_function == 1 ? 'B' : 'A';
1212 *chip = AHC_AIC7896;
1213 *features = AHC_AIC7896_FE;
1214 *flags |= AHC_NEWEEPROM_FMT;
1215 return (0);
1216 }
1217
1218 static int
1219 ahc_aic7899_setup(struct pci_attach_args *pa, char *channel,
1220 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1221 {
1222 *channel = pa->pa_function == 1 ? 'B' : 'A';
1223 *chip = AHC_AIC7899;
1224 *features = AHC_AIC7899_FE;
1225 *flags |= AHC_NEWEEPROM_FMT;
1226 return (0);
1227 }
1228
1229 static int
1230 ahc_raid_setup(struct pci_attach_args *pa, char *channel,
1231 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1232 {
1233 printf(": RAID functionality unsupported\n");
1234 return (ENXIO);
1235 }
1236
1237 static int
1238 ahc_aha394XX_setup(struct pci_attach_args *pa, char *channel,
1239 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1240 {
1241 switch (pa->pa_device) {
1242 case AHC_394X_SLOT_CHANNEL_A:
1243 *channel = 'A';
1244 break;
1245 case AHC_394X_SLOT_CHANNEL_B:
1246 *channel = 'B';
1247 break;
1248 default:
1249 printf("adapter at unexpected slot %d\n"
1250 "unable to map to a channel\n",
1251 pa->pa_device);
1252 *channel = 'A';
1253 }
1254 return (0);
1255 }
1256
1257 static int
1258 ahc_aha398XX_setup(struct pci_attach_args *pa, char *channel,
1259 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1260 {
1261 switch (pa->pa_device) {
1262 case AHC_398X_SLOT_CHANNEL_A:
1263 *channel = 'A';
1264 break;
1265 case AHC_398X_SLOT_CHANNEL_B:
1266 *channel = 'B';
1267 break;
1268 case AHC_398X_SLOT_CHANNEL_C:
1269 *channel = 'C';
1270 break;
1271 default:
1272 printf("adapter at unexpected slot %d\n"
1273 "unable to map to a channel\n",
1274 pa->pa_device);
1275 *channel = 'A';
1276 }
1277 *flags |= AHC_LARGE_SEEPROM;
1278 return (0);
1279 }
1280