ahc_pci.c revision 1.35 1 /* $NetBSD: ahc_pci.c,v 1.35 2002/10/02 16:51:00 thorpej 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/cdefs.h>
39 __KERNEL_RCSID(0, "$NetBSD: ahc_pci.c,v 1.35 2002/10/02 16:51:00 thorpej Exp $");
40
41 #include <sys/param.h>
42 #include <sys/systm.h>
43 #include <sys/malloc.h>
44 #include <sys/kernel.h>
45 #include <sys/queue.h>
46 #include <sys/device.h>
47 #include <sys/reboot.h>
48
49 #include <machine/bus.h>
50 #include <machine/intr.h>
51
52 #include <dev/pci/pcireg.h>
53 #include <dev/pci/pcivar.h>
54
55 /* XXXX some i386 on-board chips act weird when memory-mapped */
56 #ifndef __i386__
57 #define AHC_ALLOW_MEMIO
58 #endif
59
60 #define AHC_PCI_IOADDR PCI_MAPREG_START /* I/O Address */
61 #define AHC_PCI_MEMADDR (PCI_MAPREG_START + 4) /* Mem I/O Address */
62
63 #include <dev/scsipi/scsi_all.h>
64 #include <dev/scsipi/scsipi_all.h>
65 #include <dev/scsipi/scsiconf.h>
66
67 #include <dev/ic/aic7xxxvar.h>
68 #include <dev/ic/smc93cx6var.h>
69
70 #include <dev/microcode/aic7xxx/aic7xxx_reg.h>
71
72 struct ahc_pci_busdata {
73 pci_chipset_tag_t pc;
74 pcitag_t tag;
75 u_int dev;
76 u_int func;
77 };
78
79 static __inline u_int64_t
80 ahc_compose_id(u_int device, u_int vendor, u_int subdevice, u_int subvendor)
81 {
82 u_int64_t id;
83
84 id = subvendor
85 | (subdevice << 16)
86 | ((u_int64_t)vendor << 32)
87 | ((u_int64_t)device << 48);
88
89 return (id);
90 }
91
92 #define ID_ALL_MASK 0xFFFFFFFFFFFFFFFFull
93 #define ID_DEV_VENDOR_MASK 0xFFFFFFFF00000000ull
94 #define ID_AIC7850 0x5078900400000000ull
95 #define ID_AHA_2910_15_20_30C 0x5078900478509004ull
96 #define ID_AIC7855 0x5578900400000000ull
97 #define ID_AIC7859 0x3860900400000000ull
98 #define ID_AHA_2930CU 0x3860900438699004ull
99 #define ID_AIC7860 0x6078900400000000ull
100 #define ID_AIC7860C 0x6078900478609004ull
101 #define ID_AHA_2940AU_0 0x6178900400000000ull
102 #define ID_AHA_2940AU_1 0x6178900478619004ull
103 #define ID_AHA_2940AU_CN 0x2178900478219004ull
104 #define ID_AHA_2930C_VAR 0x6038900438689004ull
105
106 #define ID_AIC7870 0x7078900400000000ull
107 #define ID_AHA_2940 0x7178900400000000ull
108 #define ID_AHA_3940 0x7278900400000000ull
109 #define ID_AHA_398X 0x7378900400000000ull
110 #define ID_AHA_2944 0x7478900400000000ull
111 #define ID_AHA_3944 0x7578900400000000ull
112
113 #define ID_AIC7880 0x8078900400000000ull
114 #define ID_AIC7880_B 0x8078900478809004ull
115 #define ID_AHA_2940U 0x8178900400000000ull
116 #define ID_AHA_3940U 0x8278900400000000ull
117 #define ID_AHA_2944U 0x8478900400000000ull
118 #define ID_AHA_3944U 0x8578900400000000ull
119 #define ID_AHA_398XU 0x8378900400000000ull
120 #define ID_AHA_4944U 0x8678900400000000ull
121 #define ID_AHA_2940UB 0x8178900478819004ull
122 #define ID_AHA_2930U 0x8878900478889004ull
123 #define ID_AHA_2940U_PRO 0x8778900478879004ull
124 #define ID_AHA_2940U_CN 0x0078900478009004ull
125
126 #define ID_AIC7895 0x7895900478959004ull
127 #define ID_AIC7895_RAID_PORT 0x7893900478939004ull
128 #define ID_AHA_2940U_DUAL 0x7895900478919004ull
129 #define ID_AHA_3940AU 0x7895900478929004ull
130 #define ID_AHA_3944AU 0x7895900478949004ull
131
132 #define ID_AIC7890 0x001F9005000F9005ull
133 #define ID_AAA_131U2 0x0013900500039005ull
134 #define ID_AHA_2930U2 0x0011900501819005ull
135 #define ID_AHA_2940U2B 0x00109005A1009005ull
136 #define ID_AHA_2940U2_OEM 0x0010900521809005ull
137 #define ID_AHA_2940U2 0x00109005A1809005ull
138 #define ID_AHA_2950U2B 0x00109005E1009005ull
139
140 #define ID_AIC7892 0x008F9005FFFF9005ull
141 #define ID_AHA_29160 0x00809005E2A09005ull
142 #define ID_AHA_29160_CPQ 0x00809005E2A00E11ull
143 #define ID_AHA_29160N 0x0080900562A09005ull
144 #define ID_AHA_29160B 0x00809005E2209005ull
145 #define ID_AHA_19160B 0x0081900562A19005ull
146
147 #define ID_AIC7896 0x005F9005FFFF9005ull
148 #define ID_AHA_3950U2B_0 0x00509005FFFF9005ull
149 #define ID_AHA_3950U2B_1 0x00509005F5009005ull
150 #define ID_AHA_3950U2D_0 0x00519005FFFF9005ull
151 #define ID_AHA_3950U2D_1 0x00519005B5009005ull
152
153 #define ID_AIC7899 0x00CF9005FFFF9005ull
154 #define ID_AHA_3960D 0x00C09005F6209005ull /* AKA AHA-39160 */
155 #define ID_AHA_3960D_CPQ 0x00C09005F6200E11ull
156
157 #define ID_AIC7810 0x1078900400000000ull
158 #define ID_AIC7815 0x7815900400000000ull
159
160 typedef int (ahc_device_setup_t)(struct pci_attach_args *, char *,
161 ahc_chip *, ahc_feature *, ahc_flag *);
162
163 static ahc_device_setup_t ahc_aic7850_setup;
164 static ahc_device_setup_t ahc_aic7855_setup;
165 static ahc_device_setup_t ahc_aic7859_setup;
166 static ahc_device_setup_t ahc_aic7860_setup;
167 static ahc_device_setup_t ahc_aic7870_setup;
168 static ahc_device_setup_t ahc_aha394X_setup;
169 static ahc_device_setup_t ahc_aha398X_setup;
170 static ahc_device_setup_t ahc_aic7880_setup;
171 static ahc_device_setup_t ahc_2940Pro_setup;
172 static ahc_device_setup_t ahc_aha394XU_setup;
173 static ahc_device_setup_t ahc_aha398XU_setup;
174 static ahc_device_setup_t ahc_aic7890_setup;
175 static ahc_device_setup_t ahc_aic7892_setup;
176 static ahc_device_setup_t ahc_aic7895_setup;
177 static ahc_device_setup_t ahc_aic7896_setup;
178 static ahc_device_setup_t ahc_aic7899_setup;
179 static ahc_device_setup_t ahc_raid_setup;
180 static ahc_device_setup_t ahc_aha394XX_setup;
181 static ahc_device_setup_t ahc_aha398XX_setup;
182
183 struct ahc_pci_identity {
184 u_int64_t full_id;
185 u_int64_t id_mask;
186 const char *name;
187 ahc_device_setup_t *setup;
188 };
189
190 const struct ahc_pci_identity ahc_pci_ident_table [] =
191 {
192 /* aic7850 based controllers */
193 {
194 ID_AHA_2910_15_20_30C,
195 ID_ALL_MASK,
196 "Adaptec 2910/15/20/30C SCSI adapter",
197 ahc_aic7850_setup
198 },
199 /* aic7859 based controllers */
200 {
201 ID_AHA_2930CU,
202 ID_ALL_MASK,
203 "Adaptec 2930CU SCSI adapter",
204 ahc_aic7859_setup
205 },
206 /* aic7860 based controllers */
207 {
208 ID_AHA_2940AU_0 & ID_DEV_VENDOR_MASK,
209 ID_DEV_VENDOR_MASK,
210 "Adaptec 2940A Ultra SCSI adapter",
211 ahc_aic7860_setup
212 },
213 {
214 ID_AHA_2940AU_CN & ID_DEV_VENDOR_MASK,
215 ID_DEV_VENDOR_MASK,
216 "Adaptec 2940A/CN Ultra SCSI adapter",
217 ahc_aic7860_setup
218 },
219 {
220 ID_AHA_2930C_VAR & ID_DEV_VENDOR_MASK,
221 ID_DEV_VENDOR_MASK,
222 "Adaptec 2930C SCSI adapter (VAR)",
223 ahc_aic7860_setup
224 },
225 /* aic7870 based controllers */
226 {
227 ID_AHA_2940,
228 ID_ALL_MASK,
229 "Adaptec 2940 SCSI adapter",
230 ahc_aic7870_setup
231 },
232 {
233 ID_AHA_3940,
234 ID_ALL_MASK,
235 "Adaptec 3940 SCSI adapter",
236 ahc_aha394X_setup
237 },
238 {
239 ID_AHA_398X,
240 ID_ALL_MASK,
241 "Adaptec 398X SCSI RAID adapter",
242 ahc_aha398X_setup
243 },
244 {
245 ID_AHA_2944,
246 ID_ALL_MASK,
247 "Adaptec 2944 SCSI adapter",
248 ahc_aic7870_setup
249 },
250 {
251 ID_AHA_3944,
252 ID_ALL_MASK,
253 "Adaptec 3944 SCSI adapter",
254 ahc_aha394X_setup
255 },
256 /* aic7880 based controllers */
257 {
258 ID_AHA_2940U & ID_DEV_VENDOR_MASK,
259 ID_DEV_VENDOR_MASK,
260 "Adaptec 2940 Ultra SCSI adapter",
261 ahc_aic7880_setup
262 },
263 {
264 ID_AHA_3940U & ID_DEV_VENDOR_MASK,
265 ID_DEV_VENDOR_MASK,
266 "Adaptec 3940 Ultra SCSI adapter",
267 ahc_aha394XU_setup
268 },
269 {
270 ID_AHA_2944U & ID_DEV_VENDOR_MASK,
271 ID_DEV_VENDOR_MASK,
272 "Adaptec 2944 Ultra SCSI adapter",
273 ahc_aic7880_setup
274 },
275 {
276 ID_AHA_3944U & ID_DEV_VENDOR_MASK,
277 ID_DEV_VENDOR_MASK,
278 "Adaptec 3944 Ultra SCSI adapter",
279 ahc_aha394XU_setup
280 },
281 {
282 ID_AHA_398XU & ID_DEV_VENDOR_MASK,
283 ID_DEV_VENDOR_MASK,
284 "Adaptec 398X Ultra SCSI RAID adapter",
285 ahc_aha398XU_setup
286 },
287 {
288 /*
289 * XXX Don't know the slot numbers
290 * so we can't identify channels
291 */
292 ID_AHA_4944U & ID_DEV_VENDOR_MASK,
293 ID_DEV_VENDOR_MASK,
294 "Adaptec 4944 Ultra SCSI adapter",
295 ahc_aic7880_setup
296 },
297 {
298 ID_AHA_2930U & ID_DEV_VENDOR_MASK,
299 ID_DEV_VENDOR_MASK,
300 "Adaptec 2930 Ultra SCSI adapter",
301 ahc_aic7880_setup
302 },
303 {
304 ID_AHA_2940U_PRO & ID_DEV_VENDOR_MASK,
305 ID_DEV_VENDOR_MASK,
306 "Adaptec 2940 Pro Ultra SCSI adapter",
307 ahc_2940Pro_setup
308 },
309 {
310 ID_AHA_2940U_CN & ID_DEV_VENDOR_MASK,
311 ID_DEV_VENDOR_MASK,
312 "Adaptec 2940/CN Ultra SCSI adapter",
313 ahc_aic7880_setup
314 },
315 /* aic7890 based controllers */
316 {
317 ID_AHA_2930U2,
318 ID_ALL_MASK,
319 "Adaptec 2930 Ultra2 SCSI adapter",
320 ahc_aic7890_setup
321 },
322 {
323 ID_AHA_2940U2B,
324 ID_ALL_MASK,
325 "Adaptec 2940B Ultra2 SCSI adapter",
326 ahc_aic7890_setup
327 },
328 {
329 ID_AHA_2940U2_OEM,
330 ID_ALL_MASK,
331 "Adaptec 2940 Ultra2 SCSI adapter (OEM)",
332 ahc_aic7890_setup
333 },
334 {
335 ID_AHA_2940U2,
336 ID_ALL_MASK,
337 "Adaptec 2940 Ultra2 SCSI adapter",
338 ahc_aic7890_setup
339 },
340 {
341 ID_AHA_2950U2B,
342 ID_ALL_MASK,
343 "Adaptec 2950 Ultra2 SCSI adapter",
344 ahc_aic7890_setup
345 },
346 {
347 ID_AAA_131U2,
348 ID_ALL_MASK,
349 "Adaptec AAA-131 Ultra2 RAID adapter",
350 ahc_aic7890_setup
351 },
352 /* aic7892 based controllers */
353 {
354 ID_AHA_29160,
355 ID_ALL_MASK,
356 "Adaptec 29160 Ultra160 SCSI adapter",
357 ahc_aic7892_setup
358 },
359 {
360 ID_AHA_29160_CPQ,
361 ID_ALL_MASK,
362 "Adaptec (Compaq OEM) 29160 Ultra160 SCSI adapter",
363 ahc_aic7892_setup
364 },
365 {
366 ID_AHA_29160N,
367 ID_ALL_MASK,
368 "Adaptec 29160N Ultra160 SCSI adapter",
369 ahc_aic7892_setup
370 },
371 {
372 ID_AHA_29160B,
373 ID_ALL_MASK,
374 "Adaptec 29160B Ultra160 SCSI adapter",
375 ahc_aic7892_setup
376 },
377 {
378 ID_AHA_19160B,
379 ID_ALL_MASK,
380 "Adaptec 19160B Ultra160 SCSI adapter",
381 ahc_aic7892_setup
382 },
383 /* aic7895 based controllers */
384 {
385 ID_AHA_2940U_DUAL,
386 ID_ALL_MASK,
387 "Adaptec 2940/DUAL Ultra SCSI adapter",
388 ahc_aic7895_setup
389 },
390 {
391 ID_AHA_3940AU,
392 ID_ALL_MASK,
393 "Adaptec 3940A Ultra SCSI adapter",
394 ahc_aic7895_setup
395 },
396 {
397 ID_AHA_3944AU,
398 ID_ALL_MASK,
399 "Adaptec 3944A Ultra SCSI adapter",
400 ahc_aic7895_setup
401 },
402 /* aic7896/97 based controllers */
403 {
404 ID_AHA_3950U2B_0,
405 ID_ALL_MASK,
406 "Adaptec 3950B Ultra2 SCSI adapter",
407 ahc_aic7896_setup
408 },
409 {
410 ID_AHA_3950U2B_1,
411 ID_ALL_MASK,
412 "Adaptec 3950B Ultra2 SCSI adapter",
413 ahc_aic7896_setup
414 },
415 {
416 ID_AHA_3950U2D_0,
417 ID_ALL_MASK,
418 "Adaptec 3950D Ultra2 SCSI adapter",
419 ahc_aic7896_setup
420 },
421 {
422 ID_AHA_3950U2D_1,
423 ID_ALL_MASK,
424 "Adaptec 3950D Ultra2 SCSI adapter",
425 ahc_aic7896_setup
426 },
427 /* aic7899 based controllers */
428 {
429 ID_AHA_3960D,
430 ID_ALL_MASK,
431 "Adaptec 3960D Ultra160 SCSI adapter",
432 ahc_aic7899_setup
433 },
434 {
435 ID_AHA_3960D_CPQ,
436 ID_ALL_MASK,
437 "Adaptec (Compaq OEM) 3960D Ultra160 SCSI adapter",
438 ahc_aic7899_setup
439 },
440 /* Generic chip probes for devices we don't know 'exactly' */
441 {
442 ID_AIC7850 & ID_DEV_VENDOR_MASK,
443 ID_DEV_VENDOR_MASK,
444 "Adaptec aic7850 SCSI adapter",
445 ahc_aic7850_setup
446 },
447 {
448 ID_AIC7855 & ID_DEV_VENDOR_MASK,
449 ID_DEV_VENDOR_MASK,
450 "Adaptec aic7855 SCSI adapter",
451 ahc_aic7855_setup
452 },
453 {
454 ID_AIC7859 & ID_DEV_VENDOR_MASK,
455 ID_DEV_VENDOR_MASK,
456 "Adaptec aic7859 SCSI adapter",
457 ahc_aic7859_setup
458 },
459 {
460 ID_AIC7860 & ID_DEV_VENDOR_MASK,
461 ID_DEV_VENDOR_MASK,
462 "Adaptec aic7860 SCSI adapter",
463 ahc_aic7860_setup
464 },
465 {
466 ID_AIC7870 & ID_DEV_VENDOR_MASK,
467 ID_DEV_VENDOR_MASK,
468 "Adaptec aic7870 SCSI adapter",
469 ahc_aic7870_setup
470 },
471 {
472 ID_AIC7880 & ID_DEV_VENDOR_MASK,
473 ID_DEV_VENDOR_MASK,
474 "Adaptec aic7880 Ultra SCSI adapter",
475 ahc_aic7880_setup
476 },
477 {
478 ID_AIC7890 & ID_DEV_VENDOR_MASK,
479 ID_DEV_VENDOR_MASK,
480 "Adaptec aic7890/91 Ultra2 SCSI adapter",
481 ahc_aic7890_setup
482 },
483 {
484 ID_AIC7892 & ID_DEV_VENDOR_MASK,
485 ID_DEV_VENDOR_MASK,
486 "Adaptec aic7892 Ultra160 SCSI adapter",
487 ahc_aic7892_setup
488 },
489 {
490 ID_AIC7895 & ID_DEV_VENDOR_MASK,
491 ID_DEV_VENDOR_MASK,
492 "Adaptec aic7895 Ultra SCSI adapter",
493 ahc_aic7895_setup
494 },
495 {
496 ID_AIC7895_RAID_PORT & ID_DEV_VENDOR_MASK,
497 ID_DEV_VENDOR_MASK,
498 "Adaptec aic7895 Ultra SCSI adapter (RAID PORT)",
499 ahc_aic7895_setup
500 },
501 {
502 ID_AIC7896 & ID_DEV_VENDOR_MASK,
503 ID_DEV_VENDOR_MASK,
504 "Adaptec aic7896/97 Ultra2 SCSI adapter",
505 ahc_aic7896_setup
506 },
507 {
508 ID_AIC7899 & ID_DEV_VENDOR_MASK,
509 ID_DEV_VENDOR_MASK,
510 "Adaptec aic7899 Ultra160 SCSI adapter",
511 ahc_aic7899_setup
512 },
513 {
514 ID_AIC7810 & ID_DEV_VENDOR_MASK,
515 ID_DEV_VENDOR_MASK,
516 "Adaptec aic7810 RAID memory controller",
517 ahc_raid_setup
518 },
519 {
520 ID_AIC7815 & ID_DEV_VENDOR_MASK,
521 ID_DEV_VENDOR_MASK,
522 "Adaptec aic7815 RAID memory controller",
523 ahc_raid_setup
524 }
525 };
526
527 static const int ahc_num_pci_devs =
528 sizeof(ahc_pci_ident_table) / sizeof(*ahc_pci_ident_table);
529
530 #define AHC_394X_SLOT_CHANNEL_A 4
531 #define AHC_394X_SLOT_CHANNEL_B 5
532
533 #define AHC_398X_SLOT_CHANNEL_A 4
534 #define AHC_398X_SLOT_CHANNEL_B 8
535 #define AHC_398X_SLOT_CHANNEL_C 12
536
537 #define DEVCONFIG 0x40
538 #define SCBSIZE32 0x00010000 /* aic789X only */
539 #define MPORTMODE 0x00000400 /* aic7870 only */
540 #define RAMPSM 0x00000200 /* aic7870 only */
541 #define VOLSENSE 0x00000100
542 #define SCBRAMSEL 0x00000080
543 #define MRDCEN 0x00000040
544 #define EXTSCBTIME 0x00000020 /* aic7870 only */
545 #define EXTSCBPEN 0x00000010 /* aic7870 only */
546 #define BERREN 0x00000008
547 #define DACEN 0x00000004
548 #define STPWLEVEL 0x00000002
549 #define DIFACTNEGEN 0x00000001 /* aic7870 only */
550
551 #define CSIZE_LATTIME 0x0c
552 #define CACHESIZE 0x0000003f /* only 5 bits */
553 #define LATTIME 0x0000ff00
554
555 static const struct ahc_pci_identity *ahc_find_pci_device(pcireg_t, pcireg_t);
556 static int ahc_ext_scbram_present(struct ahc_softc *ahc);
557 static void ahc_ext_scbram_config(struct ahc_softc *ahc, int enable,
558 int pcheck, int fast);
559 static void ahc_probe_ext_scbram(struct ahc_softc *ahc);
560
561 int ahc_pci_probe __P((struct device *, struct cfdata *, void *));
562 void ahc_pci_attach __P((struct device *, struct device *, void *));
563
564 /* Exported for use in the ahc_intr routine */
565 int ahc_pci_intr(struct ahc_softc *ahc);
566
567 CFATTACH_DECL(ahc_pci, sizeof(struct ahc_softc),
568 ahc_pci_probe, ahc_pci_attach, NULL, NULL);
569
570 static const struct ahc_pci_identity *
571 ahc_find_pci_device(id, subid)
572 pcireg_t id, subid;
573 {
574 u_int64_t full_id;
575 const struct ahc_pci_identity *entry;
576 u_int i;
577
578 full_id = ahc_compose_id(PCI_PRODUCT(id), PCI_VENDOR(id),
579 PCI_PRODUCT(subid), PCI_VENDOR(subid));
580
581 for (i = 0; i < ahc_num_pci_devs; i++) {
582 entry = &ahc_pci_ident_table[i];
583 if (entry->full_id == (full_id & entry->id_mask))
584 return (entry);
585 }
586 return (NULL);
587 }
588
589 int
590 ahc_pci_probe(parent, match, aux)
591 struct device *parent;
592 struct cfdata *match;
593 void *aux;
594 {
595 struct pci_attach_args *pa = aux;
596 const struct ahc_pci_identity *entry;
597 pcireg_t subid;
598
599 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
600 entry = ahc_find_pci_device(pa->pa_id, subid);
601 return entry != NULL ? 1 : 0;
602 }
603
604 void
605 ahc_pci_attach(parent, self, aux)
606 struct device *parent, *self;
607 void *aux;
608 {
609 struct pci_attach_args *pa = aux;
610 const struct ahc_pci_identity *entry;
611 struct ahc_softc *ahc = (void *)self;
612 pcireg_t command;
613 ahc_chip ahc_t = AHC_NONE;
614 ahc_feature ahc_fe = AHC_FENONE;
615 ahc_flag ahc_f = AHC_FNONE;
616 u_int our_id = 0;
617 u_int sxfrctl1;
618 u_int scsiseq;
619 int error;
620 char channel;
621 pcireg_t subid;
622 int ioh_valid, memh_valid;
623 bus_space_tag_t st, iot;
624 bus_space_handle_t sh, ioh;
625 #ifdef AHC_ALLOW_MEMIO
626 bus_space_tag_t memt;
627 bus_space_handle_t memh;
628 pcireg_t memtype;
629 #endif
630 pci_intr_handle_t ih;
631 const char *intrstr;
632 struct ahc_pci_busdata *bd;
633
634 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
635 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
636 entry = ahc_find_pci_device(pa->pa_id, subid);
637 if (entry == NULL)
638 return;
639 error = entry->setup(pa, &channel, &ahc_t, &ahc_fe, &ahc_f);
640 if (error != 0)
641 return;
642
643 ioh_valid = memh_valid = 0;
644
645 #ifdef AHC_ALLOW_MEMIO
646 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, AHC_PCI_MEMADDR);
647 switch (memtype) {
648 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
649 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
650 memh_valid = (pci_mapreg_map(pa, AHC_PCI_MEMADDR,
651 memtype, 0, &memt, &memh, NULL, NULL) == 0);
652 break;
653 default:
654 memh_valid = 0;
655 }
656 #endif
657 ioh_valid = (pci_mapreg_map(pa, AHC_PCI_IOADDR,
658 PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, NULL, NULL) == 0);
659
660 if (ioh_valid) {
661 st = iot;
662 sh = ioh;
663 #ifdef AHC_ALLOW_MEMIO
664 } else if (memh_valid) {
665 st = memt;
666 sh = memh;
667 #endif
668 } else {
669 printf(": unable to map registers\n");
670 return;
671 }
672
673 printf("\n");
674
675
676 /* Ensure busmastering is enabled */
677 command |= PCI_COMMAND_MASTER_ENABLE;;
678 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
679
680 /* On all PCI adapters, we allow SCB paging */
681 ahc_f |= AHC_PAGESCBS;
682 if (ahc_alloc(ahc, sh, st, pa->pa_dmat,
683 ahc_t|AHC_PCI, ahc_fe, ahc_f) < 0)
684 return;
685
686 bd = malloc(sizeof (struct ahc_pci_busdata), M_DEVBUF, M_NOWAIT);
687 if (bd == NULL) {
688 printf(": unable to allocate bus-specific data\n");
689 return;
690 }
691
692 bd->pc = pa->pa_pc;
693 bd->tag = pa->pa_tag;
694 bd->func = pa->pa_function;
695 bd->dev = pa->pa_device;
696
697 ahc->bus_data = bd;
698 ahc->bus_intr = ahc_pci_intr;
699 ahc->channel = channel;
700
701 /* Remeber how the card was setup in case there is no SEEPROM */
702 ahc_outb(ahc, HCNTRL, ahc->pause);
703 if ((ahc->features & AHC_ULTRA2) != 0)
704 our_id = ahc_inb(ahc, SCSIID_ULTRA2) & OID;
705 else
706 our_id = ahc_inb(ahc, SCSIID) & OID;
707 sxfrctl1 = ahc_inb(ahc, SXFRCTL1) & STPWEN;
708 scsiseq = ahc_inb(ahc, SCSISEQ);
709
710 if (ahc_reset(ahc) != 0) {
711 /* Failed */
712 ahc_free(ahc);
713 return;
714 }
715
716 if ((ahc->features & AHC_DT) != 0) {
717 u_int optionmode;
718 u_int sfunct;
719
720 /* Perform ALT-Mode Setup */
721 sfunct = ahc_inb(ahc, SFUNCT) & ~ALT_MODE;
722 ahc_outb(ahc, SFUNCT, sfunct | ALT_MODE);
723 optionmode = ahc_inb(ahc, OPTIONMODE);
724 #ifdef DEBUG
725 printf("%s: OptionMode = %x\n", ahc->sc_dev.dv_xname,
726 optionmode);
727 #endif
728 ahc_outb(ahc, OPTIONMODE, OPTIONMODE_DEFAULTS);
729 /* Send CRC info in target mode every 4K */
730 ahc_outb(ahc, TARGCRCCNT, 0);
731 ahc_outb(ahc, TARGCRCCNT + 1, 0x10);
732 ahc_outb(ahc, SFUNCT, sfunct);
733
734 /* Normal mode setup */
735 ahc_outb(ahc, CRCCONTROL1, CRCVALCHKEN|CRCENDCHKEN|CRCREQCHKEN
736 |TARGCRCENDEN|TARGCRCCNTEN);
737 }
738
739 if (pci_intr_map(pa, &ih)) {
740 printf("%s: couldn't map interrupt\n", ahc->sc_dev.dv_xname);
741 ahc_free(ahc);
742 return;
743 }
744 intrstr = pci_intr_string(pa->pa_pc, ih);
745 ahc->ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, ahc_intr, ahc);
746 if (ahc->ih == NULL) {
747 printf("%s: couldn't establish interrupt",
748 ahc->sc_dev.dv_xname);
749 if (intrstr != NULL)
750 printf(" at %s", intrstr);
751 printf("\n");
752 ahc_free(ahc);
753 return;
754 }
755 if (intrstr != NULL)
756 printf("%s: interrupting at %s\n", ahc->sc_dev.dv_xname,
757 intrstr);
758
759 /*
760 * Do aic7880/aic7870/aic7860/aic7850 specific initialization
761 */
762 {
763 u_int8_t sblkctl;
764 u_int dscommand0;
765
766 dscommand0 = ahc_inb(ahc, DSCOMMAND0);
767 dscommand0 |= MPARCKEN;
768 if ((ahc->features & AHC_ULTRA2) != 0) {
769
770 /*
771 * DPARCKEN doesn't work correctly on
772 * some MBs so don't use it.
773 */
774 dscommand0 &= ~(USCBSIZE32|DPARCKEN);
775 dscommand0 |= CACHETHEN;
776 }
777
778 ahc_outb(ahc, DSCOMMAND0, dscommand0);
779
780 /* See if we have an SEEPROM and perform auto-term */
781 check_extport(ahc, &sxfrctl1);
782
783 /*
784 * Take the LED out of diagnostic mode
785 */
786 sblkctl = ahc_inb(ahc, SBLKCTL);
787 ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON)));
788
789 /*
790 * I don't know where this is set in the SEEPROM or by the
791 * BIOS, so we default to 100% on Ultra or slower controllers
792 * and 75% on ULTRA2 controllers.
793 */
794 if ((ahc->features & AHC_ULTRA2) != 0) {
795 ahc_outb(ahc, DFF_THRSH, RD_DFTHRSH_75|WR_DFTHRSH_75);
796 } else {
797 ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100);
798 }
799
800 if (ahc->flags & AHC_USEDEFAULTS) {
801 /*
802 * PCI Adapter default setup
803 * Should only be used if the adapter does not have
804 * an SEEPROM.
805 */
806 /* See if someone else set us up already */
807 if (scsiseq != 0) {
808 printf("%s: Using left over BIOS settings\n",
809 ahc_name(ahc));
810 ahc->flags &= ~AHC_USEDEFAULTS;
811 } else {
812 /*
813 * Assume only one connector and always turn
814 * on termination.
815 */
816 our_id = 0x07;
817 sxfrctl1 = STPWEN;
818 }
819 ahc_outb(ahc, SCSICONF, our_id|ENSPCHK|RESET_SCSI);
820
821 ahc->our_id = our_id;
822 }
823 }
824
825 /*
826 * Take a look to see if we have external SRAM.
827 * We currently do not attempt to use SRAM that is
828 * shared among multiple controllers.
829 */
830 ahc_probe_ext_scbram(ahc);
831
832
833 printf("%s: %s ", ahc_name(ahc),
834 ahc_chip_names[ahc->chip & AHC_CHIPID_MASK]);
835
836 /*
837 * Record our termination setting for the
838 * generic initialization routine.
839 */
840 if ((sxfrctl1 & STPWEN) != 0)
841 ahc->flags |= AHC_TERM_ENB_A;
842
843 if (ahc_init(ahc)) {
844 ahc_free(ahc);
845 return;
846 }
847
848 ahc_attach(ahc);
849 }
850
851 /*
852 * Test for the presence of external sram in an
853 * "unshared" configuration.
854 */
855 static int
856 ahc_ext_scbram_present(struct ahc_softc *ahc)
857 {
858 int ramps;
859 int single_user;
860 pcireg_t devconfig;
861 struct ahc_pci_busdata *bd = ahc->bus_data;
862
863 devconfig = pci_conf_read(bd->pc, bd->tag, DEVCONFIG);
864 single_user = (devconfig & MPORTMODE) != 0;
865
866 if ((ahc->features & AHC_ULTRA2) != 0)
867 ramps = (ahc_inb(ahc, DSCOMMAND0) & RAMPS) != 0;
868 else if ((ahc->chip & AHC_CHIPID_MASK) >= AHC_AIC7870)
869 ramps = (devconfig & RAMPSM) != 0;
870 else
871 ramps = 0;
872
873 if (ramps && single_user)
874 return (1);
875 return (0);
876 }
877
878 /*
879 * Enable external scbram.
880 */
881 static void
882 ahc_ext_scbram_config(struct ahc_softc *ahc, int enable, int pcheck, int fast)
883 {
884 pcireg_t devconfig;
885 struct ahc_pci_busdata *bd = ahc->bus_data;
886
887 if (ahc->features & AHC_MULTI_FUNC) {
888 /*
889 * Set the SCB Base addr (highest address bit)
890 * depending on which channel we are.
891 */
892 ahc_outb(ahc, SCBBADDR, (u_int8_t)bd->func);
893 }
894
895 devconfig = pci_conf_read(bd->pc, bd->tag, DEVCONFIG);
896 if ((ahc->features & AHC_ULTRA2) != 0) {
897 u_int dscommand0;
898
899 dscommand0 = ahc_inb(ahc, DSCOMMAND0);
900 if (enable)
901 dscommand0 &= ~INTSCBRAMSEL;
902 else
903 dscommand0 |= INTSCBRAMSEL;
904 ahc_outb(ahc, DSCOMMAND0, dscommand0);
905 } else {
906 if (fast)
907 devconfig &= ~EXTSCBTIME;
908 else
909 devconfig |= EXTSCBTIME;
910 if (enable)
911 devconfig &= ~SCBRAMSEL;
912 else
913 devconfig |= SCBRAMSEL;
914 }
915 if (pcheck)
916 devconfig |= EXTSCBPEN;
917 else
918 devconfig &= ~EXTSCBPEN;
919
920 pci_conf_write(bd->pc, bd->tag, DEVCONFIG, devconfig);
921 }
922
923 /*
924 * Take a look to see if we have external SRAM.
925 * We currently do not attempt to use SRAM that is
926 * shared among multiple controllers.
927 */
928 static void
929 ahc_probe_ext_scbram(struct ahc_softc *ahc)
930 {
931 int num_scbs;
932 int test_num_scbs;
933 int enable;
934 int pcheck;
935 int fast;
936
937 if (ahc_ext_scbram_present(ahc) == 0)
938 return;
939
940 /*
941 * Probe for the best parameters to use.
942 */
943 enable = FALSE;
944 pcheck = FALSE;
945 fast = FALSE;
946 ahc_ext_scbram_config(ahc, /*enable*/TRUE, pcheck, fast);
947 num_scbs = ahc_probe_scbs(ahc);
948 if (num_scbs == 0) {
949 /* The SRAM wasn't really present. */
950 goto done;
951 }
952 enable = TRUE;
953
954 /*
955 * Clear any outstanding parity error
956 * and ensure that parity error reporting
957 * is enabled.
958 */
959 ahc_outb(ahc, SEQCTL, 0);
960 ahc_outb(ahc, CLRINT, CLRPARERR);
961 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
962
963 /* Now see if we can do parity */
964 ahc_ext_scbram_config(ahc, enable, /*pcheck*/TRUE, fast);
965 num_scbs = ahc_probe_scbs(ahc);
966 if ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
967 || (ahc_inb(ahc, ERROR) & MPARERR) == 0)
968 pcheck = TRUE;
969
970 /* Clear any resulting parity error */
971 ahc_outb(ahc, CLRINT, CLRPARERR);
972 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
973
974 /* Now see if we can do fast timing */
975 ahc_ext_scbram_config(ahc, enable, pcheck, /*fast*/TRUE);
976 test_num_scbs = ahc_probe_scbs(ahc);
977 if (test_num_scbs == num_scbs
978 && ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
979 || (ahc_inb(ahc, ERROR) & MPARERR) == 0))
980 fast = TRUE;
981
982 done:
983 /*
984 * Disable parity error reporting until we
985 * can load instruction ram.
986 */
987 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
988 /* Clear any latched parity error */
989 ahc_outb(ahc, CLRINT, CLRPARERR);
990 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
991 if (bootverbose && enable) {
992 printf("%s: External SRAM, %s access%s\n",
993 ahc_name(ahc), fast ? "fast" : "slow",
994 pcheck ? ", parity checking enabled" : "");
995
996 }
997 ahc_ext_scbram_config(ahc, enable, pcheck, fast);
998 }
999
1000 #define DPE PCI_STATUS_PARITY_DETECT
1001 #define SSE PCI_STATUS_SPECIAL_ERROR
1002 #define RMA PCI_STATUS_MASTER_ABORT
1003 #define RTA PCI_STATUS_MASTER_TARGET_ABORT
1004 #define STA PCI_STATUS_TARGET_TARGET_ABORT
1005 #define DPR PCI_STATUS_PARITY_ERROR
1006
1007 int
1008 ahc_pci_intr(struct ahc_softc *ahc)
1009 {
1010 pcireg_t status1;
1011 struct ahc_pci_busdata *bd = ahc->bus_data;
1012
1013 if ((ahc_inb(ahc, ERROR) & PCIERRSTAT) == 0)
1014 return 0;
1015
1016 status1 = pci_conf_read(bd->pc, bd->tag, PCI_COMMAND_STATUS_REG);
1017
1018 if (status1 & DPE) {
1019 printf("%s: Data Parity Error Detected during address "
1020 "or write data phase\n", ahc_name(ahc));
1021 }
1022 if (status1 & SSE) {
1023 printf("%s: Signal System Error Detected\n", ahc_name(ahc));
1024 }
1025 if (status1 & RMA) {
1026 printf("%s: Received a Master Abort\n", ahc_name(ahc));
1027 }
1028 if (status1 & RTA) {
1029 printf("%s: Received a Target Abort\n", ahc_name(ahc));
1030 }
1031 if (status1 & STA) {
1032 printf("%s: Signaled a Target Abort\n", ahc_name(ahc));
1033 }
1034 if (status1 & DPR) {
1035 printf("%s: Data Parity Error has been reported via PERR#\n",
1036 ahc_name(ahc));
1037 }
1038 if ((status1 & (DPE|SSE|RMA|RTA|STA|DPR)) == 0) {
1039 printf("%s: Latched PCIERR interrupt with "
1040 "no status bits set\n", ahc_name(ahc));
1041 }
1042 pci_conf_write(bd->pc, bd->tag, PCI_COMMAND_STATUS_REG, status1);
1043
1044 if (status1 & (DPR|RMA|RTA)) {
1045 ahc_outb(ahc, CLRINT, CLRPARERR);
1046 }
1047
1048 return 1;
1049 }
1050
1051 static int
1052 ahc_aic7850_setup(struct pci_attach_args *pa, char *channel,
1053 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1054 {
1055 *channel = 'A';
1056 *chip = AHC_AIC7850;
1057 *features = AHC_AIC7850_FE;
1058 return (0);
1059 }
1060
1061 static int
1062 ahc_aic7855_setup(struct pci_attach_args *pa, char *channel,
1063 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1064 {
1065 *channel = 'A';
1066 *chip = AHC_AIC7855;
1067 *features = AHC_AIC7855_FE;
1068 return (0);
1069 }
1070
1071 static int
1072 ahc_aic7859_setup(struct pci_attach_args *pa, char *channel,
1073 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1074 {
1075 *channel = 'A';
1076 *chip = AHC_AIC7859;
1077 *features = AHC_AIC7859_FE;
1078 return (0);
1079 }
1080
1081 static int
1082 ahc_aic7860_setup(struct pci_attach_args *pa, char *channel,
1083 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1084 {
1085 *channel = 'A';
1086 *chip = AHC_AIC7860;
1087 *features = AHC_AIC7860_FE;
1088 return (0);
1089 }
1090
1091 static int
1092 ahc_aic7870_setup(struct pci_attach_args *pa, char *channel,
1093 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1094 {
1095 *channel = 'A';
1096 *chip = AHC_AIC7870;
1097 *features = AHC_AIC7870_FE;
1098 return (0);
1099 }
1100
1101 static int
1102 ahc_aha394X_setup(struct pci_attach_args *pa, char *channel,
1103 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1104 {
1105 int error;
1106
1107 error = ahc_aic7870_setup(pa, channel, chip, features, flags);
1108 if (error == 0)
1109 error = ahc_aha394XX_setup(pa, channel, chip, features, flags);
1110 return (error);
1111 }
1112
1113 static int
1114 ahc_aha398X_setup(struct pci_attach_args *pa, char *channel,
1115 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1116 {
1117 int error;
1118
1119 error = ahc_aic7870_setup(pa, channel, chip, features, flags);
1120 if (error == 0)
1121 error = ahc_aha398XX_setup(pa, channel, chip, features, flags);
1122 return (error);
1123 }
1124
1125 static int
1126 ahc_aic7880_setup(struct pci_attach_args *pa, char *channel,
1127 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1128 {
1129 *channel = 'A';
1130 *chip = AHC_AIC7880;
1131 *features = AHC_AIC7880_FE;
1132 return (0);
1133 }
1134
1135 static int
1136 ahc_2940Pro_setup(struct pci_attach_args *pa, char *channel,
1137 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1138 {
1139 int error;
1140
1141 *flags |= AHC_INT50_SPEEDFLEX;
1142 error = ahc_aic7880_setup(pa, channel, chip, features, flags);
1143 return (0);
1144 }
1145
1146 static int
1147 ahc_aha394XU_setup(struct pci_attach_args *pa, char *channel,
1148 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1149 {
1150 int error;
1151
1152 error = ahc_aic7880_setup(pa, channel, chip, features, flags);
1153 if (error == 0)
1154 error = ahc_aha394XX_setup(pa, channel, chip, features, flags);
1155 return (error);
1156 }
1157
1158 static int
1159 ahc_aha398XU_setup(struct pci_attach_args *pa, char *channel,
1160 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1161 {
1162 int error;
1163
1164 error = ahc_aic7880_setup(pa, channel, chip, features, flags);
1165 if (error == 0)
1166 error = ahc_aha398XX_setup(pa, channel, chip, features, flags);
1167 return (error);
1168 }
1169
1170 static int
1171 ahc_aic7890_setup(struct pci_attach_args *pa, char *channel,
1172 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1173 {
1174 *channel = 'A';
1175 *chip = AHC_AIC7890;
1176 *features = AHC_AIC7890_FE;
1177 *flags |= AHC_NEWEEPROM_FMT;
1178 return (0);
1179 }
1180
1181 static int
1182 ahc_aic7892_setup(struct pci_attach_args *pa, char *channel,
1183 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1184 {
1185 *channel = 'A';
1186 *chip = AHC_AIC7892;
1187 *features = AHC_AIC7892_FE;
1188 *flags |= AHC_NEWEEPROM_FMT;
1189 return (0);
1190 }
1191
1192 static int
1193 ahc_aic7895_setup(struct pci_attach_args *pa, char *channel,
1194 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1195 {
1196 pcireg_t devconfig;
1197
1198 *channel = pa->pa_function == 1 ? 'B' : 'A';
1199 *chip = AHC_AIC7895;
1200 /* The 'C' revision of the aic7895 has a few additional features */
1201 if (PCI_REVISION(pa->pa_class) >= 4)
1202 *features = AHC_AIC7895C_FE;
1203 else
1204 *features = AHC_AIC7895_FE;
1205 *flags |= AHC_NEWEEPROM_FMT;
1206 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
1207 devconfig &= ~SCBSIZE32;
1208 pci_conf_write(pa->pa_pc, pa->pa_tag, DEVCONFIG, devconfig);
1209 return (0);
1210 }
1211
1212 static int
1213 ahc_aic7896_setup(struct pci_attach_args *pa, char *channel,
1214 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1215 {
1216 *channel = pa->pa_function == 1 ? 'B' : 'A';
1217 *chip = AHC_AIC7896;
1218 *features = AHC_AIC7896_FE;
1219 *flags |= AHC_NEWEEPROM_FMT;
1220 return (0);
1221 }
1222
1223 static int
1224 ahc_aic7899_setup(struct pci_attach_args *pa, char *channel,
1225 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1226 {
1227 *channel = pa->pa_function == 1 ? 'B' : 'A';
1228 *chip = AHC_AIC7899;
1229 *features = AHC_AIC7899_FE;
1230 *flags |= AHC_NEWEEPROM_FMT;
1231 return (0);
1232 }
1233
1234 static int
1235 ahc_raid_setup(struct pci_attach_args *pa, char *channel,
1236 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1237 {
1238 printf(": RAID functionality unsupported\n");
1239 return (ENXIO);
1240 }
1241
1242 static int
1243 ahc_aha394XX_setup(struct pci_attach_args *pa, char *channel,
1244 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1245 {
1246 switch (pa->pa_device) {
1247 case AHC_394X_SLOT_CHANNEL_A:
1248 *channel = 'A';
1249 break;
1250 case AHC_394X_SLOT_CHANNEL_B:
1251 *channel = 'B';
1252 break;
1253 default:
1254 printf("adapter at unexpected slot %d\n"
1255 "unable to map to a channel\n",
1256 pa->pa_device);
1257 *channel = 'A';
1258 }
1259 return (0);
1260 }
1261
1262 static int
1263 ahc_aha398XX_setup(struct pci_attach_args *pa, char *channel,
1264 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1265 {
1266 switch (pa->pa_device) {
1267 case AHC_398X_SLOT_CHANNEL_A:
1268 *channel = 'A';
1269 break;
1270 case AHC_398X_SLOT_CHANNEL_B:
1271 *channel = 'B';
1272 break;
1273 case AHC_398X_SLOT_CHANNEL_C:
1274 *channel = 'C';
1275 break;
1276 default:
1277 printf("adapter at unexpected slot %d\n"
1278 "unable to map to a channel\n",
1279 pa->pa_device);
1280 *channel = 'A';
1281 }
1282 *flags |= AHC_LARGE_SEEPROM;
1283 return (0);
1284 }
1285