ahc_pci.c revision 1.19.2.4 1 /* $NetBSD: ahc_pci.c,v 1.19.2.4 2001/03/27 15:32:07 bouyer 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 const char *name;
184 ahc_device_setup_t *setup;
185 };
186
187 const 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 const 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 const struct ahc_pci_identity *
569 ahc_find_pci_device(id, subid)
570 pcireg_t id, subid;
571 {
572 u_int64_t full_id;
573 const 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 const 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 const 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 #ifdef DEBUG
723 printf("%s: OptionMode = %x\n", ahc->sc_dev.dv_xname,
724 optionmode);
725 #endif
726 ahc_outb(ahc, OPTIONMODE, OPTIONMODE_DEFAULTS);
727 /* Send CRC info in target mode every 4K */
728 ahc_outb(ahc, TARGCRCCNT, 0);
729 ahc_outb(ahc, TARGCRCCNT + 1, 0x10);
730 ahc_outb(ahc, SFUNCT, sfunct);
731
732 /* Normal mode setup */
733 ahc_outb(ahc, CRCCONTROL1, CRCVALCHKEN|CRCENDCHKEN|CRCREQCHKEN
734 |TARGCRCENDEN|TARGCRCCNTEN);
735 }
736
737 if (pci_intr_map(pa, &ih)) {
738 printf("%s: couldn't map interrupt\n", ahc->sc_dev.dv_xname);
739 ahc_free(ahc);
740 return;
741 }
742 intrstr = pci_intr_string(pa->pa_pc, ih);
743 ahc->ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, ahc_intr, ahc);
744 if (ahc->ih == NULL) {
745 printf("%s: couldn't establish interrupt",
746 ahc->sc_dev.dv_xname);
747 if (intrstr != NULL)
748 printf(" at %s", intrstr);
749 printf("\n");
750 ahc_free(ahc);
751 return;
752 }
753 if (intrstr != NULL)
754 printf("%s: interrupting at %s\n", ahc->sc_dev.dv_xname,
755 intrstr);
756
757 /*
758 * Do aic7880/aic7870/aic7860/aic7850 specific initialization
759 */
760 {
761 u_int8_t sblkctl;
762 u_int dscommand0;
763
764 dscommand0 = ahc_inb(ahc, DSCOMMAND0);
765 dscommand0 |= MPARCKEN;
766 if ((ahc->features & AHC_ULTRA2) != 0) {
767
768 /*
769 * DPARCKEN doesn't work correctly on
770 * some MBs so don't use it.
771 */
772 dscommand0 &= ~(USCBSIZE32|DPARCKEN);
773 dscommand0 |= CACHETHEN;
774 }
775
776 ahc_outb(ahc, DSCOMMAND0, dscommand0);
777
778 /* See if we have an SEEPROM and perform auto-term */
779 check_extport(ahc, &sxfrctl1);
780
781 /*
782 * Take the LED out of diagnostic mode
783 */
784 sblkctl = ahc_inb(ahc, SBLKCTL);
785 ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON)));
786
787 /*
788 * I don't know where this is set in the SEEPROM or by the
789 * BIOS, so we default to 100% on Ultra or slower controllers
790 * and 75% on ULTRA2 controllers.
791 */
792 if ((ahc->features & AHC_ULTRA2) != 0) {
793 ahc_outb(ahc, DFF_THRSH, RD_DFTHRSH_75|WR_DFTHRSH_75);
794 } else {
795 ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100);
796 }
797
798 if (ahc->flags & AHC_USEDEFAULTS) {
799 /*
800 * PCI Adapter default setup
801 * Should only be used if the adapter does not have
802 * an SEEPROM.
803 */
804 /* See if someone else set us up already */
805 if (scsiseq != 0) {
806 printf("%s: Using left over BIOS settings\n",
807 ahc_name(ahc));
808 ahc->flags &= ~AHC_USEDEFAULTS;
809 } else {
810 /*
811 * Assume only one connector and always turn
812 * on termination.
813 */
814 our_id = 0x07;
815 sxfrctl1 = STPWEN;
816 }
817 ahc_outb(ahc, SCSICONF, our_id|ENSPCHK|RESET_SCSI);
818
819 ahc->our_id = our_id;
820 }
821 }
822
823 /*
824 * Take a look to see if we have external SRAM.
825 * We currently do not attempt to use SRAM that is
826 * shared among multiple controllers.
827 */
828 ahc_probe_ext_scbram(ahc);
829
830
831 printf("%s: %s ", ahc_name(ahc),
832 ahc_chip_names[ahc->chip & AHC_CHIPID_MASK]);
833
834 /*
835 * Record our termination setting for the
836 * generic initialization routine.
837 */
838 if ((sxfrctl1 & STPWEN) != 0)
839 ahc->flags |= AHC_TERM_ENB_A;
840
841 if (ahc_init(ahc)) {
842 ahc_free(ahc);
843 return;
844 }
845
846 ahc_attach(ahc);
847 }
848
849 /*
850 * Test for the presense of external sram in an
851 * "unshared" configuration.
852 */
853 static int
854 ahc_ext_scbram_present(struct ahc_softc *ahc)
855 {
856 int ramps;
857 int single_user;
858 pcireg_t devconfig;
859 struct ahc_pci_busdata *bd = ahc->bus_data;
860
861 devconfig = pci_conf_read(bd->pc, bd->tag, DEVCONFIG);
862 single_user = (devconfig & MPORTMODE) != 0;
863
864 if ((ahc->features & AHC_ULTRA2) != 0)
865 ramps = (ahc_inb(ahc, DSCOMMAND0) & RAMPS) != 0;
866 else if ((ahc->chip & AHC_CHIPID_MASK) >= AHC_AIC7870)
867 ramps = (devconfig & RAMPSM) != 0;
868 else
869 ramps = 0;
870
871 if (ramps && single_user)
872 return (1);
873 return (0);
874 }
875
876 /*
877 * Enable external scbram.
878 */
879 static void
880 ahc_ext_scbram_config(struct ahc_softc *ahc, int enable, int pcheck, int fast)
881 {
882 pcireg_t devconfig;
883 struct ahc_pci_busdata *bd = ahc->bus_data;
884
885 if (ahc->features & AHC_MULTI_FUNC) {
886 /*
887 * Set the SCB Base addr (highest address bit)
888 * depending on which channel we are.
889 */
890 ahc_outb(ahc, SCBBADDR, (u_int8_t)bd->func);
891 }
892
893 devconfig = pci_conf_read(bd->pc, bd->tag, DEVCONFIG);
894 if ((ahc->features & AHC_ULTRA2) != 0) {
895 u_int dscommand0;
896
897 dscommand0 = ahc_inb(ahc, DSCOMMAND0);
898 if (enable)
899 dscommand0 &= ~INTSCBRAMSEL;
900 else
901 dscommand0 |= INTSCBRAMSEL;
902 ahc_outb(ahc, DSCOMMAND0, dscommand0);
903 } else {
904 if (fast)
905 devconfig &= ~EXTSCBTIME;
906 else
907 devconfig |= EXTSCBTIME;
908 if (enable)
909 devconfig &= ~SCBRAMSEL;
910 else
911 devconfig |= SCBRAMSEL;
912 }
913 if (pcheck)
914 devconfig |= EXTSCBPEN;
915 else
916 devconfig &= ~EXTSCBPEN;
917
918 pci_conf_write(bd->pc, bd->tag, DEVCONFIG, devconfig);
919 }
920
921 /*
922 * Take a look to see if we have external SRAM.
923 * We currently do not attempt to use SRAM that is
924 * shared among multiple controllers.
925 */
926 static void
927 ahc_probe_ext_scbram(struct ahc_softc *ahc)
928 {
929 int num_scbs;
930 int test_num_scbs;
931 int enable;
932 int pcheck;
933 int fast;
934
935 if (ahc_ext_scbram_present(ahc) == 0)
936 return;
937
938 /*
939 * Probe for the best parameters to use.
940 */
941 enable = FALSE;
942 pcheck = FALSE;
943 fast = FALSE;
944 ahc_ext_scbram_config(ahc, /*enable*/TRUE, pcheck, fast);
945 num_scbs = ahc_probe_scbs(ahc);
946 if (num_scbs == 0) {
947 /* The SRAM wasn't really present. */
948 goto done;
949 }
950 enable = TRUE;
951
952 /*
953 * Clear any outstanding parity error
954 * and ensure that parity error reporting
955 * is enabled.
956 */
957 ahc_outb(ahc, SEQCTL, 0);
958 ahc_outb(ahc, CLRINT, CLRPARERR);
959 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
960
961 /* Now see if we can do parity */
962 ahc_ext_scbram_config(ahc, enable, /*pcheck*/TRUE, fast);
963 num_scbs = ahc_probe_scbs(ahc);
964 if ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
965 || (ahc_inb(ahc, ERROR) & MPARERR) == 0)
966 pcheck = TRUE;
967
968 /* Clear any resulting parity error */
969 ahc_outb(ahc, CLRINT, CLRPARERR);
970 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
971
972 /* Now see if we can do fast timing */
973 ahc_ext_scbram_config(ahc, enable, pcheck, /*fast*/TRUE);
974 test_num_scbs = ahc_probe_scbs(ahc);
975 if (test_num_scbs == num_scbs
976 && ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
977 || (ahc_inb(ahc, ERROR) & MPARERR) == 0))
978 fast = TRUE;
979
980 done:
981 /*
982 * Disable parity error reporting until we
983 * can load instruction ram.
984 */
985 ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
986 /* Clear any latched parity error */
987 ahc_outb(ahc, CLRINT, CLRPARERR);
988 ahc_outb(ahc, CLRINT, CLRBRKADRINT);
989 if (bootverbose && enable) {
990 printf("%s: External SRAM, %s access%s\n",
991 ahc_name(ahc), fast ? "fast" : "slow",
992 pcheck ? ", parity checking enabled" : "");
993
994 }
995 ahc_ext_scbram_config(ahc, enable, pcheck, fast);
996 }
997
998 #define DPE PCI_STATUS_PARITY_DETECT
999 #define SSE PCI_STATUS_SPECIAL_ERROR
1000 #define RMA PCI_STATUS_MASTER_ABORT
1001 #define RTA PCI_STATUS_MASTER_TARGET_ABORT
1002 #define STA PCI_STATUS_TARGET_TARGET_ABORT
1003 #define DPR PCI_STATUS_PARITY_ERROR
1004
1005 int
1006 ahc_pci_intr(struct ahc_softc *ahc)
1007 {
1008 pcireg_t status1;
1009 struct ahc_pci_busdata *bd = ahc->bus_data;
1010
1011 if ((ahc_inb(ahc, ERROR) & PCIERRSTAT) == 0)
1012 return 0;
1013
1014 status1 = pci_conf_read(bd->pc, bd->tag, PCI_COMMAND_STATUS_REG);
1015
1016 if (status1 & DPE) {
1017 printf("%s: Data Parity Error Detected during address "
1018 "or write data phase\n", ahc_name(ahc));
1019 }
1020 if (status1 & SSE) {
1021 printf("%s: Signal System Error Detected\n", ahc_name(ahc));
1022 }
1023 if (status1 & RMA) {
1024 printf("%s: Received a Master Abort\n", ahc_name(ahc));
1025 }
1026 if (status1 & RTA) {
1027 printf("%s: Received a Target Abort\n", ahc_name(ahc));
1028 }
1029 if (status1 & STA) {
1030 printf("%s: Signaled a Target Abort\n", ahc_name(ahc));
1031 }
1032 if (status1 & DPR) {
1033 printf("%s: Data Parity Error has been reported via PERR#\n",
1034 ahc_name(ahc));
1035 }
1036 if ((status1 & (DPE|SSE|RMA|RTA|STA|DPR)) == 0) {
1037 printf("%s: Latched PCIERR interrupt with "
1038 "no status bits set\n", ahc_name(ahc));
1039 }
1040 pci_conf_write(bd->pc, bd->tag, PCI_COMMAND_STATUS_REG, status1);
1041
1042 if (status1 & (DPR|RMA|RTA)) {
1043 ahc_outb(ahc, CLRINT, CLRPARERR);
1044 }
1045
1046 return 1;
1047 }
1048
1049 static int
1050 ahc_aic7850_setup(struct pci_attach_args *pa, char *channel,
1051 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1052 {
1053 *channel = 'A';
1054 *chip = AHC_AIC7850;
1055 *features = AHC_AIC7850_FE;
1056 return (0);
1057 }
1058
1059 static int
1060 ahc_aic7855_setup(struct pci_attach_args *pa, char *channel,
1061 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1062 {
1063 *channel = 'A';
1064 *chip = AHC_AIC7855;
1065 *features = AHC_AIC7855_FE;
1066 return (0);
1067 }
1068
1069 static int
1070 ahc_aic7859_setup(struct pci_attach_args *pa, char *channel,
1071 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1072 {
1073 *channel = 'A';
1074 *chip = AHC_AIC7859;
1075 *features = AHC_AIC7859_FE;
1076 return (0);
1077 }
1078
1079 static int
1080 ahc_aic7860_setup(struct pci_attach_args *pa, char *channel,
1081 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1082 {
1083 *channel = 'A';
1084 *chip = AHC_AIC7860;
1085 *features = AHC_AIC7860_FE;
1086 return (0);
1087 }
1088
1089 static int
1090 ahc_aic7870_setup(struct pci_attach_args *pa, char *channel,
1091 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1092 {
1093 *channel = 'A';
1094 *chip = AHC_AIC7870;
1095 *features = AHC_AIC7870_FE;
1096 return (0);
1097 }
1098
1099 static int
1100 ahc_aha394X_setup(struct pci_attach_args *pa, char *channel,
1101 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1102 {
1103 int error;
1104
1105 error = ahc_aic7870_setup(pa, channel, chip, features, flags);
1106 if (error == 0)
1107 error = ahc_aha394XX_setup(pa, channel, chip, features, flags);
1108 return (error);
1109 }
1110
1111 static int
1112 ahc_aha398X_setup(struct pci_attach_args *pa, char *channel,
1113 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1114 {
1115 int error;
1116
1117 error = ahc_aic7870_setup(pa, channel, chip, features, flags);
1118 if (error == 0)
1119 error = ahc_aha398XX_setup(pa, channel, chip, features, flags);
1120 return (error);
1121 }
1122
1123 static int
1124 ahc_aic7880_setup(struct pci_attach_args *pa, char *channel,
1125 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1126 {
1127 *channel = 'A';
1128 *chip = AHC_AIC7880;
1129 *features = AHC_AIC7880_FE;
1130 return (0);
1131 }
1132
1133 static int
1134 ahc_2940Pro_setup(struct pci_attach_args *pa, char *channel,
1135 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1136 {
1137 int error;
1138
1139 *flags |= AHC_INT50_SPEEDFLEX;
1140 error = ahc_aic7880_setup(pa, channel, chip, features, flags);
1141 return (0);
1142 }
1143
1144 static int
1145 ahc_aha394XU_setup(struct pci_attach_args *pa, char *channel,
1146 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1147 {
1148 int error;
1149
1150 error = ahc_aic7880_setup(pa, channel, chip, features, flags);
1151 if (error == 0)
1152 error = ahc_aha394XX_setup(pa, channel, chip, features, flags);
1153 return (error);
1154 }
1155
1156 static int
1157 ahc_aha398XU_setup(struct pci_attach_args *pa, char *channel,
1158 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1159 {
1160 int error;
1161
1162 error = ahc_aic7880_setup(pa, channel, chip, features, flags);
1163 if (error == 0)
1164 error = ahc_aha398XX_setup(pa, channel, chip, features, flags);
1165 return (error);
1166 }
1167
1168 static int
1169 ahc_aic7890_setup(struct pci_attach_args *pa, char *channel,
1170 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1171 {
1172 *channel = 'A';
1173 *chip = AHC_AIC7890;
1174 *features = AHC_AIC7890_FE;
1175 *flags |= AHC_NEWEEPROM_FMT;
1176 return (0);
1177 }
1178
1179 static int
1180 ahc_aic7892_setup(struct pci_attach_args *pa, char *channel,
1181 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1182 {
1183 *channel = 'A';
1184 *chip = AHC_AIC7892;
1185 *features = AHC_AIC7892_FE;
1186 *flags |= AHC_NEWEEPROM_FMT;
1187 return (0);
1188 }
1189
1190 static int
1191 ahc_aic7895_setup(struct pci_attach_args *pa, char *channel,
1192 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1193 {
1194 pcireg_t devconfig;
1195
1196 *channel = pa->pa_function == 1 ? 'B' : 'A';
1197 *chip = AHC_AIC7895;
1198 /* The 'C' revision of the aic7895 has a few additional features */
1199 if (PCI_REVISION(pa->pa_class) >= 4)
1200 *features = AHC_AIC7895C_FE;
1201 else
1202 *features = AHC_AIC7895_FE;
1203 *flags |= AHC_NEWEEPROM_FMT;
1204 devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
1205 devconfig &= ~SCBSIZE32;
1206 pci_conf_write(pa->pa_pc, pa->pa_tag, DEVCONFIG, devconfig);
1207 return (0);
1208 }
1209
1210 static int
1211 ahc_aic7896_setup(struct pci_attach_args *pa, char *channel,
1212 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1213 {
1214 *channel = pa->pa_function == 1 ? 'B' : 'A';
1215 *chip = AHC_AIC7896;
1216 *features = AHC_AIC7896_FE;
1217 *flags |= AHC_NEWEEPROM_FMT;
1218 return (0);
1219 }
1220
1221 static int
1222 ahc_aic7899_setup(struct pci_attach_args *pa, char *channel,
1223 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1224 {
1225 *channel = pa->pa_function == 1 ? 'B' : 'A';
1226 *chip = AHC_AIC7899;
1227 *features = AHC_AIC7899_FE;
1228 *flags |= AHC_NEWEEPROM_FMT;
1229 return (0);
1230 }
1231
1232 static int
1233 ahc_raid_setup(struct pci_attach_args *pa, char *channel,
1234 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1235 {
1236 printf(": RAID functionality unsupported\n");
1237 return (ENXIO);
1238 }
1239
1240 static int
1241 ahc_aha394XX_setup(struct pci_attach_args *pa, char *channel,
1242 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1243 {
1244 switch (pa->pa_device) {
1245 case AHC_394X_SLOT_CHANNEL_A:
1246 *channel = 'A';
1247 break;
1248 case AHC_394X_SLOT_CHANNEL_B:
1249 *channel = 'B';
1250 break;
1251 default:
1252 printf("adapter at unexpected slot %d\n"
1253 "unable to map to a channel\n",
1254 pa->pa_device);
1255 *channel = 'A';
1256 }
1257 return (0);
1258 }
1259
1260 static int
1261 ahc_aha398XX_setup(struct pci_attach_args *pa, char *channel,
1262 ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
1263 {
1264 switch (pa->pa_device) {
1265 case AHC_398X_SLOT_CHANNEL_A:
1266 *channel = 'A';
1267 break;
1268 case AHC_398X_SLOT_CHANNEL_B:
1269 *channel = 'B';
1270 break;
1271 case AHC_398X_SLOT_CHANNEL_C:
1272 *channel = 'C';
1273 break;
1274 default:
1275 printf("adapter at unexpected slot %d\n"
1276 "unable to map to a channel\n",
1277 pa->pa_device);
1278 *channel = 'A';
1279 }
1280 *flags |= AHC_LARGE_SEEPROM;
1281 return (0);
1282 }
1283