if_tlp_pci.c revision 1.58 1 /* $NetBSD: if_tlp_pci.c,v 1.58 2002/02/14 07:59:55 chs Exp $ */
2
3 /*-
4 * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
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 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 /*
41 * PCI bus front-end for the Digital Semiconductor ``Tulip'' (21x4x)
42 * Ethernet controller family driver.
43 */
44
45 #include <sys/cdefs.h>
46 __KERNEL_RCSID(0, "$NetBSD: if_tlp_pci.c,v 1.58 2002/02/14 07:59:55 chs Exp $");
47
48 #include "opt_tlp.h"
49
50 #include <sys/param.h>
51 #include <sys/systm.h>
52 #include <sys/mbuf.h>
53 #include <sys/malloc.h>
54 #include <sys/kernel.h>
55 #include <sys/socket.h>
56 #include <sys/ioctl.h>
57 #include <sys/errno.h>
58 #include <sys/device.h>
59
60 #include <machine/endian.h>
61
62 #include <net/if.h>
63 #include <net/if_dl.h>
64 #include <net/if_media.h>
65 #include <net/if_ether.h>
66
67 #include <machine/bus.h>
68 #include <machine/intr.h>
69
70 #include <dev/mii/miivar.h>
71 #include <dev/mii/mii_bitbang.h>
72
73 #include <dev/ic/tulipreg.h>
74 #include <dev/ic/tulipvar.h>
75
76 #include <dev/pci/pcivar.h>
77 #include <dev/pci/pcireg.h>
78 #include <dev/pci/pcidevs.h>
79
80 /*
81 * PCI configuration space registers used by the Tulip.
82 */
83 #define TULIP_PCI_IOBA 0x10 /* i/o mapped base */
84 #define TULIP_PCI_MMBA 0x14 /* memory mapped base */
85 #define TULIP_PCI_CFDA 0x40 /* configuration driver area */
86
87 #define CFDA_SLEEP 0x80000000 /* sleep mode */
88 #define CFDA_SNOOZE 0x40000000 /* snooze mode */
89
90 struct tulip_pci_softc {
91 struct tulip_softc sc_tulip; /* real Tulip softc */
92
93 /* PCI-specific goo. */
94 void *sc_ih; /* interrupt handle */
95
96 pci_chipset_tag_t sc_pc; /* our PCI chipset */
97 pcitag_t sc_pcitag; /* our PCI tag */
98
99 int sc_flags; /* flags; see below */
100
101 LIST_HEAD(, tulip_pci_softc) sc_intrslaves;
102 LIST_ENTRY(tulip_pci_softc) sc_intrq;
103
104 /* Our {ROM,interrupt} master. */
105 struct tulip_pci_softc *sc_master;
106 };
107
108 /* sc_flags */
109 #define TULIP_PCI_SHAREDINTR 0x01 /* interrupt is shared */
110 #define TULIP_PCI_SLAVEINTR 0x02 /* interrupt is slave */
111 #define TULIP_PCI_SHAREDROM 0x04 /* ROM is shared */
112 #define TULIP_PCI_SLAVEROM 0x08 /* slave of shared ROM */
113
114 int tlp_pci_match __P((struct device *, struct cfdata *, void *));
115 void tlp_pci_attach __P((struct device *, struct device *, void *));
116
117 struct cfattach tlp_pci_ca = {
118 sizeof(struct tulip_pci_softc), tlp_pci_match, tlp_pci_attach,
119 };
120
121 const struct tulip_pci_product {
122 u_int32_t tpp_vendor; /* PCI vendor ID */
123 u_int32_t tpp_product; /* PCI product ID */
124 tulip_chip_t tpp_chip; /* base Tulip chip type */
125 } tlp_pci_products[] = {
126 #ifdef TLP_MATCH_21040
127 { PCI_VENDOR_DEC, PCI_PRODUCT_DEC_21040,
128 TULIP_CHIP_21040 },
129 #endif
130 #ifdef TLP_MATCH_21041
131 { PCI_VENDOR_DEC, PCI_PRODUCT_DEC_21041,
132 TULIP_CHIP_21041 },
133 #endif
134 #ifdef TLP_MATCH_21140
135 { PCI_VENDOR_DEC, PCI_PRODUCT_DEC_21140,
136 TULIP_CHIP_21140 },
137 #endif
138 #ifdef TLP_MATCH_21142
139 { PCI_VENDOR_DEC, PCI_PRODUCT_DEC_21142,
140 TULIP_CHIP_21142 },
141 #endif
142
143 { PCI_VENDOR_LITEON, PCI_PRODUCT_LITEON_82C168,
144 TULIP_CHIP_82C168 },
145
146 /*
147 * Note: This is like a MX98725 with Wake-On-LAN and a
148 * 128-bit multicast hash table.
149 */
150 { PCI_VENDOR_LITEON, PCI_PRODUCT_LITEON_82C115,
151 TULIP_CHIP_82C115 },
152
153 { PCI_VENDOR_MACRONIX, PCI_PRODUCT_MACRONIX_MX98713,
154 TULIP_CHIP_MX98713 },
155 { PCI_VENDOR_MACRONIX, PCI_PRODUCT_MACRONIX_MX987x5,
156 TULIP_CHIP_MX98715 },
157
158 { PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_RL100TX,
159 TULIP_CHIP_MX98713 },
160
161 { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C840F,
162 TULIP_CHIP_WB89C840F },
163 { PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_RL100ATX,
164 TULIP_CHIP_WB89C840F },
165
166 { PCI_VENDOR_DAVICOM, PCI_PRODUCT_DAVICOM_DM9102,
167 TULIP_CHIP_DM9102 },
168
169 { PCI_VENDOR_ADMTEK, PCI_PRODUCT_ADMTEK_AL981,
170 TULIP_CHIP_AL981 },
171
172 { PCI_VENDOR_ADMTEK, PCI_PRODUCT_ADMTEK_AN985,
173 TULIP_CHIP_AN985 },
174 { PCI_VENDOR_ACCTON, PCI_PRODUCT_ACCTON_EN2242,
175 TULIP_CHIP_AN985 },
176
177 #if 0
178 { PCI_VENDOR_ASIX, PCI_PRODUCT_ASIX_AX88140A,
179 TULIP_CHIP_AX88140 },
180 #endif
181
182 { 0, 0,
183 TULIP_CHIP_INVALID },
184 };
185
186 struct tlp_pci_quirks {
187 void (*tpq_func) __P((struct tulip_pci_softc *,
188 const u_int8_t *));
189 u_int8_t tpq_oui[3];
190 };
191
192 void tlp_pci_dec_quirks __P((struct tulip_pci_softc *,
193 const u_int8_t *));
194
195 void tlp_pci_znyx_21040_quirks __P((struct tulip_pci_softc *,
196 const u_int8_t *));
197 void tlp_pci_smc_21040_quirks __P((struct tulip_pci_softc *,
198 const u_int8_t *));
199 void tlp_pci_cogent_21040_quirks __P((struct tulip_pci_softc *,
200 const u_int8_t *));
201 void tlp_pci_accton_21040_quirks __P((struct tulip_pci_softc *,
202 const u_int8_t *));
203
204 void tlp_pci_cobalt_21142_quirks __P((struct tulip_pci_softc *,
205 const u_int8_t *));
206 void tlp_pci_algor_21142_quirks __P((struct tulip_pci_softc *,
207 const u_int8_t *));
208
209 void tlp_pci_adaptec_21143_quirks __P((struct tulip_pci_softc *,
210 const u_int8_t *));
211
212 const struct tlp_pci_quirks tlp_pci_21040_quirks[] = {
213 { tlp_pci_znyx_21040_quirks, { 0x00, 0xc0, 0x95 } },
214 { tlp_pci_smc_21040_quirks, { 0x00, 0x00, 0xc0 } },
215 { tlp_pci_cogent_21040_quirks, { 0x00, 0x00, 0x92 } },
216 { tlp_pci_accton_21040_quirks, { 0x00, 0x00, 0xe8 } },
217 { NULL, { 0, 0, 0 } }
218 };
219
220 const struct tlp_pci_quirks tlp_pci_21041_quirks[] = {
221 { tlp_pci_dec_quirks, { 0x08, 0x00, 0x2b } },
222 { tlp_pci_dec_quirks, { 0x00, 0x00, 0xf8 } },
223 { NULL, { 0, 0, 0 } }
224 };
225
226 void tlp_pci_asante_21140_quirks __P((struct tulip_pci_softc *,
227 const u_int8_t *));
228
229 const struct tlp_pci_quirks tlp_pci_21140_quirks[] = {
230 { tlp_pci_dec_quirks, { 0x08, 0x00, 0x2b } },
231 { tlp_pci_dec_quirks, { 0x00, 0x00, 0xf8 } },
232 { tlp_pci_asante_21140_quirks, { 0x00, 0x00, 0x94 } },
233 { NULL, { 0, 0, 0 } }
234 };
235
236 const struct tlp_pci_quirks tlp_pci_21142_quirks[] = {
237 { tlp_pci_dec_quirks, { 0x08, 0x00, 0x2b } },
238 { tlp_pci_dec_quirks, { 0x00, 0x00, 0xf8 } },
239 { tlp_pci_cobalt_21142_quirks, { 0x00, 0x10, 0xe0 } },
240 { tlp_pci_algor_21142_quirks, { 0x00, 0x40, 0xbc } },
241 { tlp_pci_adaptec_21143_quirks, { 0x00, 0x00, 0xd1 } },
242 { NULL, { 0, 0, 0 } }
243 };
244
245 int tlp_pci_shared_intr __P((void *));
246
247 const struct tulip_pci_product *tlp_pci_lookup
248 __P((const struct pci_attach_args *));
249 void tlp_pci_get_quirks __P((struct tulip_pci_softc *, const u_int8_t *,
250 const struct tlp_pci_quirks *));
251 void tlp_pci_check_slaved __P((struct tulip_pci_softc *, int, int));
252
253 const struct tulip_pci_product *
254 tlp_pci_lookup(pa)
255 const struct pci_attach_args *pa;
256 {
257 const struct tulip_pci_product *tpp;
258
259 for (tpp = tlp_pci_products;
260 tlp_chip_names[tpp->tpp_chip] != NULL;
261 tpp++) {
262 if (PCI_VENDOR(pa->pa_id) == tpp->tpp_vendor &&
263 PCI_PRODUCT(pa->pa_id) == tpp->tpp_product)
264 return (tpp);
265 }
266 return (NULL);
267 }
268
269 void
270 tlp_pci_get_quirks(psc, enaddr, tpq)
271 struct tulip_pci_softc *psc;
272 const u_int8_t *enaddr;
273 const struct tlp_pci_quirks *tpq;
274 {
275
276 for (; tpq->tpq_func != NULL; tpq++) {
277 if (tpq->tpq_oui[0] == enaddr[0] &&
278 tpq->tpq_oui[1] == enaddr[1] &&
279 tpq->tpq_oui[2] == enaddr[2]) {
280 (*tpq->tpq_func)(psc, enaddr);
281 return;
282 }
283 }
284 }
285
286 void
287 tlp_pci_check_slaved(psc, shared, slaved)
288 struct tulip_pci_softc *psc;
289 int shared, slaved;
290 {
291 extern struct cfdriver tlp_cd;
292 struct tulip_pci_softc *cur, *best = NULL;
293 struct tulip_softc *sc = &psc->sc_tulip;
294 int i;
295
296 /*
297 * First of all, find the lowest pcidev numbered device on our
298 * bus marked as shared. That should be our master.
299 */
300 for (i = 0; i < tlp_cd.cd_ndevs; i++) {
301 if ((cur = tlp_cd.cd_devs[i]) == NULL)
302 continue;
303 if (cur->sc_tulip.sc_dev.dv_parent != sc->sc_dev.dv_parent)
304 continue;
305 if ((cur->sc_flags & shared) == 0)
306 continue;
307 if (cur == psc)
308 continue;
309 if (best == NULL ||
310 best->sc_tulip.sc_devno > cur->sc_tulip.sc_devno)
311 best = cur;
312 }
313
314 if (best != NULL) {
315 psc->sc_master = best;
316 psc->sc_flags |= (shared | slaved);
317 }
318 }
319
320 int
321 tlp_pci_match(parent, match, aux)
322 struct device *parent;
323 struct cfdata *match;
324 void *aux;
325 {
326 struct pci_attach_args *pa = aux;
327
328 if (tlp_pci_lookup(pa) != NULL)
329 return (10); /* beat if_de.c */
330
331 return (0);
332 }
333
334 void
335 tlp_pci_attach(parent, self, aux)
336 struct device *parent, *self;
337 void *aux;
338 {
339 struct tulip_pci_softc *psc = (void *) self;
340 struct tulip_softc *sc = &psc->sc_tulip;
341 struct pci_attach_args *pa = aux;
342 pci_chipset_tag_t pc = pa->pa_pc;
343 pci_intr_handle_t ih;
344 const char *intrstr = NULL;
345 bus_space_tag_t iot, memt;
346 bus_space_handle_t ioh, memh;
347 int ioh_valid, memh_valid, i, j;
348 const struct tulip_pci_product *tpp;
349 u_int8_t enaddr[ETHER_ADDR_LEN];
350 u_int32_t val;
351 pcireg_t reg;
352 int pmreg;
353
354 sc->sc_devno = pa->pa_device;
355 psc->sc_pc = pa->pa_pc;
356 psc->sc_pcitag = pa->pa_tag;
357
358 LIST_INIT(&psc->sc_intrslaves);
359
360 tpp = tlp_pci_lookup(pa);
361 if (tpp == NULL) {
362 printf("\n");
363 panic("tlp_pci_attach: impossible");
364 }
365 sc->sc_chip = tpp->tpp_chip;
366
367 /*
368 * By default, Tulip registers are 8 bytes long (4 bytes
369 * followed by a 4 byte pad).
370 */
371 sc->sc_regshift = 3;
372
373 /*
374 * No power management hooks.
375 * XXX Maybe we should add some!
376 */
377 sc->sc_flags |= TULIPF_ENABLED;
378
379 /*
380 * Get revision info, and set some chip-specific variables.
381 */
382 sc->sc_rev = PCI_REVISION(pa->pa_class);
383 switch (sc->sc_chip) {
384 case TULIP_CHIP_21140:
385 if (sc->sc_rev >= 0x20)
386 sc->sc_chip = TULIP_CHIP_21140A;
387 break;
388
389 case TULIP_CHIP_21142:
390 if (sc->sc_rev >= 0x20)
391 sc->sc_chip = TULIP_CHIP_21143;
392 break;
393
394 case TULIP_CHIP_82C168:
395 if (sc->sc_rev >= 0x20)
396 sc->sc_chip = TULIP_CHIP_82C169;
397 break;
398
399 case TULIP_CHIP_MX98713:
400 if (sc->sc_rev >= 0x10)
401 sc->sc_chip = TULIP_CHIP_MX98713A;
402 break;
403
404 case TULIP_CHIP_MX98715:
405 if (sc->sc_rev >= 0x20)
406 sc->sc_chip = TULIP_CHIP_MX98715A;
407 if (sc->sc_rev >= 0x25)
408 sc->sc_chip = TULIP_CHIP_MX98715AEC_X;
409 if (sc->sc_rev >= 0x30)
410 sc->sc_chip = TULIP_CHIP_MX98725;
411 break;
412
413 case TULIP_CHIP_WB89C840F:
414 sc->sc_regshift = 2;
415 break;
416
417 case TULIP_CHIP_AN985:
418 /*
419 * The AN983 and AN985 are very similar, and are
420 * differentiated by a "signature" register that
421 * is like, but not identical, to a PCI ID register.
422 */
423 reg = pci_conf_read(pc, pa->pa_tag, 0x80);
424 switch (reg) {
425 case 0x09811317:
426 sc->sc_chip = TULIP_CHIP_AN985;
427 break;
428
429 case 0x09851317:
430 sc->sc_chip = TULIP_CHIP_AN983;
431 break;
432
433 default:
434 /* Unknown -- use default. */
435 break;
436 }
437 break;
438
439 case TULIP_CHIP_AX88140:
440 if (sc->sc_rev >= 0x10)
441 sc->sc_chip = TULIP_CHIP_AX88141;
442 break;
443
444 case TULIP_CHIP_DM9102:
445 if (sc->sc_rev >= 0x30)
446 sc->sc_chip = TULIP_CHIP_DM9102A;
447 break;
448
449 default:
450 /* Nothing. */
451 break;
452 }
453
454 printf(": %s Ethernet, pass %d.%d\n",
455 tlp_chip_names[sc->sc_chip],
456 (sc->sc_rev >> 4) & 0xf, sc->sc_rev & 0xf);
457
458 switch (sc->sc_chip) {
459 case TULIP_CHIP_21040:
460 if (sc->sc_rev < 0x20) {
461 printf("%s: 21040 must be at least pass 2.0\n",
462 sc->sc_dev.dv_xname);
463 return;
464 }
465 break;
466
467 case TULIP_CHIP_21140:
468 if (sc->sc_rev < 0x11) {
469 printf("%s: 21140 must be at least pass 1.1\n",
470 sc->sc_dev.dv_xname);
471 return;
472 }
473 break;
474
475 default:
476 /* Nothing. */
477 break;
478 }
479
480 /*
481 * Check to see if the device is in power-save mode, and
482 * being it out if necessary.
483 */
484 switch (sc->sc_chip) {
485 case TULIP_CHIP_21140:
486 case TULIP_CHIP_21140A:
487 case TULIP_CHIP_21142:
488 case TULIP_CHIP_21143:
489 case TULIP_CHIP_MX98713A:
490 case TULIP_CHIP_MX98715:
491 case TULIP_CHIP_MX98715A:
492 case TULIP_CHIP_MX98715AEC_X:
493 case TULIP_CHIP_MX98725:
494 case TULIP_CHIP_DM9102:
495 case TULIP_CHIP_DM9102A:
496 /*
497 * Clear the "sleep mode" bit in the CFDA register.
498 */
499 reg = pci_conf_read(pc, pa->pa_tag, TULIP_PCI_CFDA);
500 if (reg & (CFDA_SLEEP|CFDA_SNOOZE))
501 pci_conf_write(pc, pa->pa_tag, TULIP_PCI_CFDA,
502 reg & ~(CFDA_SLEEP|CFDA_SNOOZE));
503 break;
504
505 default:
506 /* Nothing. */
507 break;
508 }
509
510 if (pci_get_capability(pc, pa->pa_tag, PCI_CAP_PWRMGMT, &pmreg, 0)) {
511 reg = pci_conf_read(pc, pa->pa_tag, pmreg + 4);
512 switch (reg & PCI_PMCSR_STATE_MASK) {
513 case PCI_PMCSR_STATE_D1:
514 case PCI_PMCSR_STATE_D2:
515 printf(": waking up from power state D%d\n%s",
516 reg & PCI_PMCSR_STATE_MASK, sc->sc_dev.dv_xname);
517 pci_conf_write(pc, pa->pa_tag, pmreg + 4,
518 (reg & ~PCI_PMCSR_STATE_MASK) |
519 PCI_PMCSR_STATE_D0);
520 break;
521 case PCI_PMCSR_STATE_D3:
522 /*
523 * The card has lost all configuration data in
524 * this state, so punt.
525 */
526 printf(": unable to wake up from power state D3, "
527 "reboot required.\n");
528 pci_conf_write(pc, pa->pa_tag, pmreg + 4,
529 (reg & ~PCI_PMCSR_STATE_MASK) |
530 PCI_PMCSR_STATE_D0);
531 return;
532 }
533 }
534
535 /*
536 * Map the device.
537 */
538 ioh_valid = (pci_mapreg_map(pa, TULIP_PCI_IOBA,
539 PCI_MAPREG_TYPE_IO, 0,
540 &iot, &ioh, NULL, NULL) == 0);
541 memh_valid = (pci_mapreg_map(pa, TULIP_PCI_MMBA,
542 PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0,
543 &memt, &memh, NULL, NULL) == 0);
544
545 if (memh_valid) {
546 sc->sc_st = memt;
547 sc->sc_sh = memh;
548 } else if (ioh_valid) {
549 sc->sc_st = iot;
550 sc->sc_sh = ioh;
551 } else {
552 printf(": unable to map device registers\n");
553 return;
554 }
555
556 sc->sc_dmat = pa->pa_dmat;
557
558 /*
559 * Make sure bus mastering is enabled.
560 */
561 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
562 pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
563 PCI_COMMAND_MASTER_ENABLE);
564
565 /*
566 * Get the cacheline size.
567 */
568 sc->sc_cacheline = PCI_CACHELINE(pci_conf_read(pc, pa->pa_tag,
569 PCI_BHLC_REG));
570
571 /*
572 * Get PCI data moving command info.
573 */
574 if (pa->pa_flags & PCI_FLAGS_MRL_OKAY)
575 sc->sc_flags |= TULIPF_MRL;
576 if (pa->pa_flags & PCI_FLAGS_MRM_OKAY)
577 sc->sc_flags |= TULIPF_MRM;
578 if (pa->pa_flags & PCI_FLAGS_MWI_OKAY)
579 sc->sc_flags |= TULIPF_MWI;
580
581 /*
582 * Read the contents of the Ethernet Address ROM/SROM.
583 */
584 switch (sc->sc_chip) {
585 case TULIP_CHIP_21040:
586 sc->sc_srom_addrbits = 6;
587 sc->sc_srom = malloc(TULIP_ROM_SIZE(6), M_DEVBUF, M_NOWAIT);
588 TULIP_WRITE(sc, CSR_MIIROM, MIIROM_SROMCS);
589 for (i = 0; i < TULIP_ROM_SIZE(6); i++) {
590 for (j = 0; j < 10000; j++) {
591 val = TULIP_READ(sc, CSR_MIIROM);
592 if ((val & MIIROM_DN) == 0)
593 break;
594 }
595 sc->sc_srom[i] = val & MIIROM_DATA;
596 }
597 break;
598
599 case TULIP_CHIP_82C168:
600 case TULIP_CHIP_82C169:
601 {
602 sc->sc_srom_addrbits = 2;
603 sc->sc_srom = malloc(TULIP_ROM_SIZE(2), M_DEVBUF, M_NOWAIT);
604
605 /*
606 * The Lite-On PNIC stores the Ethernet address in
607 * the first 3 words of the EEPROM. EEPROM access
608 * is not like the other Tulip chips.
609 */
610 for (i = 0; i < 6; i += 2) {
611 TULIP_WRITE(sc, CSR_PNIC_SROMCTL,
612 PNIC_SROMCTL_READ | (i >> 1));
613 for (j = 0; j < 500; j++) {
614 delay(2);
615 val = TULIP_READ(sc, CSR_MIIROM);
616 if ((val & PNIC_MIIROM_BUSY) == 0)
617 break;
618 }
619 if (val & PNIC_MIIROM_BUSY) {
620 printf("%s: EEPROM timed out\n",
621 sc->sc_dev.dv_xname);
622 return;
623 }
624 val &= PNIC_MIIROM_DATA;
625 sc->sc_srom[i] = val >> 8;
626 sc->sc_srom[i + 1] = val & 0xff;
627 }
628 break;
629 }
630
631 default:
632 #ifdef algor
633 /*
634 * XXX This should be done with device properties, but
635 * XXX we don't have those yet.
636 */
637 if (algor_get_ethaddr(pa, NULL)) {
638 extern int tlp_srom_debug;
639 sc->sc_srom_addrbits = 6;
640 sc->sc_srom = malloc(TULIP_ROM_SIZE(6), M_DEVBUF,
641 M_NOWAIT|M_ZERO);
642 algor_get_ethaddr(pa, sc->sc_srom);
643 if (tlp_srom_debug) {
644 printf("SROM CONTENTS:");
645 for (i = 0; i < TULIP_ROM_SIZE(6); i++) {
646 if ((i % 8) == 0)
647 printf("\n\t");
648 printf("0x%02x ", sc->sc_srom[i]);
649 }
650 printf("\n");
651 }
652 break;
653 }
654 #endif /* algor */
655
656 /* Check for a slaved ROM on a multi-port board. */
657 tlp_pci_check_slaved(psc, TULIP_PCI_SHAREDROM,
658 TULIP_PCI_SLAVEROM);
659 if (psc->sc_flags & TULIP_PCI_SLAVEROM) {
660 sc->sc_srom_addrbits =
661 psc->sc_master->sc_tulip.sc_srom_addrbits;
662 sc->sc_srom = psc->sc_master->sc_tulip.sc_srom;
663 enaddr[5] +=
664 sc->sc_devno - psc->sc_master->sc_tulip.sc_devno;
665 }
666 else if (tlp_read_srom(sc) == 0)
667 goto cant_cope;
668 break;
669 }
670
671 /*
672 * Deal with chip/board quirks. This includes setting up
673 * the mediasw, and extracting the Ethernet address from
674 * the rombuf.
675 */
676 switch (sc->sc_chip) {
677 case TULIP_CHIP_21040:
678 /*
679 * Parse the Ethernet Address ROM.
680 */
681 if (tlp_parse_old_srom(sc, enaddr) == 0)
682 goto cant_cope;
683
684
685 /*
686 * All 21040 boards start out with the same
687 * media switch.
688 */
689 sc->sc_mediasw = &tlp_21040_mediasw;
690
691 /*
692 * Deal with any quirks this board might have.
693 */
694 tlp_pci_get_quirks(psc, enaddr, tlp_pci_21040_quirks);
695 break;
696
697 case TULIP_CHIP_21041:
698 /* Check for new format SROM. */
699 if (tlp_isv_srom_enaddr(sc, enaddr) == 0) {
700 /*
701 * Not an ISV SROM; try the old DEC Ethernet Address
702 * ROM format.
703 */
704 if (tlp_parse_old_srom(sc, enaddr) == 0)
705 goto cant_cope;
706 }
707
708 /*
709 * All 21041 boards use the same media switch; they all
710 * work basically the same! Yippee!
711 */
712 sc->sc_mediasw = &tlp_21041_mediasw;
713
714 /*
715 * Deal with any quirks this board might have.
716 */
717 tlp_pci_get_quirks(psc, enaddr, tlp_pci_21041_quirks);
718 break;
719
720 case TULIP_CHIP_21140:
721 case TULIP_CHIP_21140A:
722 /* Check for new format SROM. */
723 if (tlp_isv_srom_enaddr(sc, enaddr) == 0) {
724 /*
725 * Not an ISV SROM; try the old DEC Ethernet Address
726 * ROM format.
727 */
728 if (tlp_parse_old_srom(sc, enaddr) == 0)
729 goto cant_cope;
730 } else {
731 /*
732 * We start out with the 2114x ISV media switch.
733 * When we search for quirks, we may change to
734 * a different switch.
735 */
736 sc->sc_mediasw = &tlp_2114x_isv_mediasw;
737 }
738
739 /*
740 * Deal with any quirks this board might have.
741 */
742 tlp_pci_get_quirks(psc, enaddr, tlp_pci_21140_quirks);
743
744 /*
745 * Bail out now if we can't deal with this board.
746 */
747 if (sc->sc_mediasw == NULL)
748 goto cant_cope;
749 break;
750
751 case TULIP_CHIP_21142:
752 case TULIP_CHIP_21143:
753 /* Check for new format SROM. */
754 if (tlp_isv_srom_enaddr(sc, enaddr) == 0) {
755 /*
756 * Not an ISV SROM; try the old DEC Ethernet Address
757 * ROM format.
758 */
759 if (tlp_parse_old_srom(sc, enaddr) == 0)
760 goto cant_cope;
761 } else {
762 /*
763 * We start out with the 2114x ISV media switch.
764 * When we search for quirks, we may change to
765 * a different switch.
766 */
767 sc->sc_mediasw = &tlp_2114x_isv_mediasw;
768 }
769
770 /*
771 * Deal with any quirks this board might have.
772 */
773 tlp_pci_get_quirks(psc, enaddr, tlp_pci_21142_quirks);
774
775 /*
776 * Bail out now if we can't deal with this board.
777 */
778 if (sc->sc_mediasw == NULL)
779 goto cant_cope;
780 break;
781
782 case TULIP_CHIP_82C168:
783 case TULIP_CHIP_82C169:
784 /*
785 * Lite-On PNIC's Ethernet address is the first 6
786 * bytes of its EEPROM.
787 */
788 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN);
789
790 /*
791 * Lite-On PNICs always use the same mediasw; we
792 * select MII vs. internal NWAY automatically.
793 */
794 sc->sc_mediasw = &tlp_pnic_mediasw;
795 break;
796
797 case TULIP_CHIP_MX98713:
798 /*
799 * The Macronix MX98713 has an MII and GPIO, but no
800 * internal Nway block. This chip is basically a
801 * perfect 21140A clone, with the exception of the
802 * a magic register frobbing in order to make the
803 * interface function.
804 */
805 if (tlp_isv_srom_enaddr(sc, enaddr)) {
806 sc->sc_mediasw = &tlp_2114x_isv_mediasw;
807 break;
808 }
809 /* FALLTHROUGH */
810
811 case TULIP_CHIP_82C115:
812 /*
813 * Yippee! The Lite-On 82C115 is a clone of
814 * the MX98725 (the data sheet even says `MXIC'
815 * on it)! Imagine that, a clone of a clone.
816 *
817 * The differences are really minimal:
818 *
819 * - Wake-On-LAN support
820 * - 128-bit multicast hash table, rather than
821 * the standard 512-bit hash table
822 */
823 /* FALLTHROUGH */
824
825 case TULIP_CHIP_MX98713A:
826 case TULIP_CHIP_MX98715A:
827 case TULIP_CHIP_MX98715AEC_X:
828 case TULIP_CHIP_MX98725:
829 /*
830 * The MX98713A has an MII as well as an internal Nway block,
831 * but no GPIO. The MX98715 and MX98725 have an internal
832 * Nway block only.
833 *
834 * The internal Nway block, unlike the Lite-On PNIC's, does
835 * just that - performs Nway. Once autonegotiation completes,
836 * we must program the GPR media information into the chip.
837 *
838 * The byte offset of the Ethernet address is stored at
839 * offset 0x70.
840 */
841 memcpy(enaddr, &sc->sc_srom[sc->sc_srom[0x70]], ETHER_ADDR_LEN);
842 sc->sc_mediasw = &tlp_pmac_mediasw;
843 break;
844
845 case TULIP_CHIP_WB89C840F:
846 /*
847 * Winbond 89C840F's Ethernet address is the first
848 * 6 bytes of its EEPROM.
849 */
850 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN);
851
852 /*
853 * Winbond 89C840F has an MII attached to the SIO.
854 */
855 sc->sc_mediasw = &tlp_sio_mii_mediasw;
856 break;
857
858 case TULIP_CHIP_AL981:
859 /*
860 * The ADMtek AL981's Ethernet address is located
861 * at offset 8 of its EEPROM.
862 */
863 memcpy(enaddr, &sc->sc_srom[8], ETHER_ADDR_LEN);
864
865 /*
866 * ADMtek AL981 has a built-in PHY accessed through
867 * special registers.
868 */
869 sc->sc_mediasw = &tlp_al981_mediasw;
870 break;
871
872 case TULIP_CHIP_AN983:
873 case TULIP_CHIP_AN985:
874 /*
875 * The ADMtek AN985's Ethernet address is located
876 * at offset 8 of its EEPROM.
877 */
878 memcpy(enaddr, &sc->sc_srom[8], ETHER_ADDR_LEN);
879
880 /*
881 * The ADMtek AN985 can be configured in Single-Chip
882 * mode or MAC-only mode. Single-Chip uses the built-in
883 * PHY, MAC-only has an external PHY (usually HomePNA).
884 * The selection is based on an EEPROM setting, and both
885 * PHYs are accessed via MII attached to SIO.
886 *
887 * The AN985 "ghosts" the internal PHY onto all
888 * MII addresses, so we have to use a media init
889 * routine that limits the search.
890 * XXX How does this work with MAC-only mode?
891 */
892 sc->sc_mediasw = &tlp_an985_mediasw;
893 break;
894
895 case TULIP_CHIP_DM9102:
896 case TULIP_CHIP_DM9102A:
897 /*
898 * Some boards with the Davicom chip have an ISV
899 * SROM (mostly DM9102A boards -- trying to describe
900 * the HomePNA PHY, probably) although the data in
901 * them is generally wrong. Check for ISV format
902 * and grab the Ethernet address that way, and if
903 * that fails, fall back on grabbing it from an
904 * observed offset of 20 (which is where it would
905 * be in an ISV SROM anyhow, tho ISV can cope with
906 * multi-port boards).
907 */
908 if (!tlp_isv_srom_enaddr(sc, enaddr)) {
909 #ifdef __sparc__
910 if (!sc->sc_srom[20] && !sc->sc_srom[21] &&
911 !sc->sc_srom[22]) {
912 extern void myetheraddr __P((u_char *));
913 myetheraddr(enaddr);
914 } else
915 #endif
916 memcpy(enaddr, &sc->sc_srom[20], ETHER_ADDR_LEN);
917 }
918
919 /*
920 * Davicom chips all have an internal MII interface
921 * and a built-in PHY. DM9102A also has a an external
922 * MII interface, usually with a HomePNA PHY attached
923 * to it.
924 */
925 sc->sc_mediasw = &tlp_dm9102_mediasw;
926 break;
927
928 default:
929 cant_cope:
930 printf("%s: sorry, unable to handle your board\n",
931 sc->sc_dev.dv_xname);
932 return;
933 }
934
935 /*
936 * Handle shared interrupts.
937 */
938 if (psc->sc_flags & TULIP_PCI_SHAREDINTR) {
939 if (psc->sc_master)
940 psc->sc_flags |= TULIP_PCI_SLAVEINTR;
941 else {
942 tlp_pci_check_slaved(psc, TULIP_PCI_SHAREDINTR,
943 TULIP_PCI_SLAVEINTR);
944 if (psc->sc_master == NULL)
945 psc->sc_master = psc;
946 }
947 LIST_INSERT_HEAD(&psc->sc_master->sc_intrslaves,
948 psc, sc_intrq);
949 }
950
951 if (psc->sc_flags & TULIP_PCI_SLAVEINTR) {
952 printf("%s: sharing interrupt with %s\n",
953 sc->sc_dev.dv_xname,
954 psc->sc_master->sc_tulip.sc_dev.dv_xname);
955 } else {
956 /*
957 * Map and establish our interrupt.
958 */
959 if (pci_intr_map(pa, &ih)) {
960 printf("%s: unable to map interrupt\n",
961 sc->sc_dev.dv_xname);
962 return;
963 }
964 intrstr = pci_intr_string(pc, ih);
965 psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET,
966 (psc->sc_flags & TULIP_PCI_SHAREDINTR) ?
967 tlp_pci_shared_intr : tlp_intr, sc);
968 if (psc->sc_ih == NULL) {
969 printf("%s: unable to establish interrupt",
970 sc->sc_dev.dv_xname);
971 if (intrstr != NULL)
972 printf(" at %s", intrstr);
973 printf("\n");
974 return;
975 }
976 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname,
977 intrstr);
978 }
979
980 /*
981 * Finish off the attach.
982 */
983 tlp_attach(sc, enaddr);
984 }
985
986 int
987 tlp_pci_shared_intr(arg)
988 void *arg;
989 {
990 struct tulip_pci_softc *master = arg, *slave;
991 int rv = 0;
992
993 for (slave = LIST_FIRST(&master->sc_intrslaves);
994 slave != NULL;
995 slave = LIST_NEXT(slave, sc_intrq))
996 rv |= tlp_intr(&slave->sc_tulip);
997
998 return (rv);
999 }
1000
1001 void
1002 tlp_pci_dec_quirks(psc, enaddr)
1003 struct tulip_pci_softc *psc;
1004 const u_int8_t *enaddr;
1005 {
1006 struct tulip_softc *sc = &psc->sc_tulip;
1007
1008 /*
1009 * This isn't really a quirk-gathering device, really. We
1010 * just want to get the spiffy DEC board name from the SROM.
1011 */
1012 strcpy(sc->sc_name, "DEC ");
1013
1014 if (memcmp(&sc->sc_srom[29], "DE500", 5) == 0 ||
1015 memcmp(&sc->sc_srom[29], "DE450", 5) == 0)
1016 memcpy(&sc->sc_name[4], &sc->sc_srom[29], 8);
1017 }
1018
1019 void
1020 tlp_pci_znyx_21040_quirks(psc, enaddr)
1021 struct tulip_pci_softc *psc;
1022 const u_int8_t *enaddr;
1023 {
1024 struct tulip_softc *sc = &psc->sc_tulip;
1025 u_int16_t id = 0;
1026
1027 /*
1028 * If we have a slaved ROM, just copy the bits from the master.
1029 * This is in case we fail the ROM ID check (older boards) and
1030 * need to fall back on Ethernet address model checking; that
1031 * will fail for slave chips.
1032 */
1033 if (psc->sc_flags & TULIP_PCI_SLAVEROM) {
1034 strcpy(sc->sc_name, psc->sc_master->sc_tulip.sc_name);
1035 sc->sc_mediasw = psc->sc_master->sc_tulip.sc_mediasw;
1036 psc->sc_flags |=
1037 psc->sc_master->sc_flags & TULIP_PCI_SHAREDINTR;
1038 return;
1039 }
1040
1041 if (sc->sc_srom[32] == 0x4a && sc->sc_srom[33] == 0x52) {
1042 id = sc->sc_srom[37] | (sc->sc_srom[36] << 8);
1043 switch (id) {
1044 zx312:
1045 case 0x0602: /* ZX312 */
1046 strcpy(sc->sc_name, "ZNYX ZX312");
1047 return;
1048
1049 case 0x0622: /* ZX312T */
1050 strcpy(sc->sc_name, "ZNYX ZX312T");
1051 sc->sc_mediasw = &tlp_21040_tp_mediasw;
1052 return;
1053
1054 zx314_inta:
1055 case 0x0701: /* ZX314 INTA */
1056 psc->sc_flags |= TULIP_PCI_SHAREDINTR;
1057 /* FALLTHROUGH */
1058 case 0x0711: /* ZX314 */
1059 strcpy(sc->sc_name, "ZNYX ZX314");
1060 psc->sc_flags |= TULIP_PCI_SHAREDROM;
1061 sc->sc_mediasw = &tlp_21040_tp_mediasw;
1062 return;
1063
1064 zx315_inta:
1065 case 0x0801: /* ZX315 INTA */
1066 psc->sc_flags |= TULIP_PCI_SHAREDINTR;
1067 /* FALLTHROUGH */
1068 case 0x0811: /* ZX315 */
1069 strcpy(sc->sc_name, "ZNYX ZX315");
1070 psc->sc_flags |= TULIP_PCI_SHAREDROM;
1071 return;
1072
1073 default:
1074 id = 0;
1075 break;
1076 }
1077 }
1078
1079 /*
1080 * Deal with boards that have broken ROMs.
1081 */
1082 if (id == 0) {
1083 if ((enaddr[3] & ~3) == 0xf0 && (enaddr[5] & 3) == 0x00)
1084 goto zx314_inta;
1085 if ((enaddr[3] & ~3) == 0xf4 && (enaddr[5] & 1) == 0x00)
1086 goto zx315_inta;
1087 if ((enaddr[3] & ~3) == 0xec)
1088 goto zx312;
1089 }
1090
1091 strcpy(sc->sc_name, "ZNYX ZX31x");
1092 }
1093
1094 void
1095 tlp_pci_smc_21040_quirks(psc, enaddr)
1096 struct tulip_pci_softc *psc;
1097 const u_int8_t *enaddr;
1098 {
1099 struct tulip_softc *sc = &psc->sc_tulip;
1100 u_int16_t id1, id2, ei;
1101 int auibnc = 0, utp = 0;
1102 char *cp;
1103
1104 id1 = sc->sc_srom[0x60] | (sc->sc_srom[0x61] << 8);
1105 id2 = sc->sc_srom[0x62] | (sc->sc_srom[0x63] << 8);
1106 ei = sc->sc_srom[0x66] | (sc->sc_srom[0x67] << 8);
1107
1108 strcpy(sc->sc_name, "SMC 8432");
1109 cp = &sc->sc_name[8];
1110
1111 if ((id1 & 1) == 0) {
1112 *cp++ = 'B';
1113 auibnc = 1;
1114 }
1115 if ((id1 & 0xff) > 0x32) {
1116 *cp++ = 'T';
1117 utp = 1;
1118 }
1119 if ((id1 & 0x4000) == 0) {
1120 *cp++ = 'A';
1121 auibnc = 1;
1122 }
1123 if (id2 == 0x15) {
1124 sc->sc_name[7] = '4';
1125 *cp++ = '-';
1126 *cp++ = 'C';
1127 *cp++ = 'H';
1128 *cp++ = ei ? '2' : '1';
1129 }
1130 *cp = '\0';
1131
1132 if (utp != 0 && auibnc == 0)
1133 sc->sc_mediasw = &tlp_21040_tp_mediasw;
1134 else if (utp == 0 && auibnc != 0)
1135 sc->sc_mediasw = &tlp_21040_auibnc_mediasw;
1136 }
1137
1138 void
1139 tlp_pci_cogent_21040_quirks(psc, enaddr)
1140 struct tulip_pci_softc *psc;
1141 const u_int8_t *enaddr;
1142 {
1143
1144 strcpy(psc->sc_tulip.sc_name, "Cogent multi-port");
1145 psc->sc_flags |= TULIP_PCI_SHAREDINTR|TULIP_PCI_SHAREDROM;
1146 }
1147
1148 void
1149 tlp_pci_accton_21040_quirks(psc, enaddr)
1150 struct tulip_pci_softc *psc;
1151 const u_int8_t *enaddr;
1152 {
1153
1154 strcpy(psc->sc_tulip.sc_name, "ACCTON EN1203");
1155 }
1156
1157 void tlp_pci_asante_21140_reset __P((struct tulip_softc *));
1158
1159 void
1160 tlp_pci_asante_21140_quirks(psc, enaddr)
1161 struct tulip_pci_softc *psc;
1162 const u_int8_t *enaddr;
1163 {
1164 struct tulip_softc *sc = &psc->sc_tulip;
1165
1166 /*
1167 * Some Asante boards don't use the ISV SROM format. For
1168 * those that don't, we initialize the GPIO direction bits,
1169 * and provide our own reset hook, which resets the MII.
1170 *
1171 * All of these boards use SIO-attached-MII media.
1172 */
1173 if (sc->sc_mediasw == &tlp_2114x_isv_mediasw)
1174 return;
1175
1176 strcpy(sc->sc_name, "Asante");
1177
1178 sc->sc_gp_dir = 0xbf;
1179 sc->sc_reset = tlp_pci_asante_21140_reset;
1180 sc->sc_mediasw = &tlp_sio_mii_mediasw;
1181 }
1182
1183 void
1184 tlp_pci_asante_21140_reset(sc)
1185 struct tulip_softc *sc;
1186 {
1187
1188 TULIP_WRITE(sc, CSR_GPP, GPP_GPC | sc->sc_gp_dir);
1189 TULIP_WRITE(sc, CSR_GPP, 0x8);
1190 delay(100);
1191 TULIP_WRITE(sc, CSR_GPP, 0);
1192 }
1193
1194 void tlp_pci_cobalt_21142_reset __P((struct tulip_softc *));
1195
1196 void
1197 tlp_pci_cobalt_21142_quirks(psc, enaddr)
1198 struct tulip_pci_softc *psc;
1199 const u_int8_t *enaddr;
1200 {
1201 struct tulip_softc *sc = &psc->sc_tulip;
1202
1203 /*
1204 * Cobalt Networks interfaces are just MII-on-SIO.
1205 */
1206 sc->sc_reset = tlp_pci_cobalt_21142_reset;
1207 sc->sc_mediasw = &tlp_sio_mii_mediasw;
1208
1209 /*
1210 * The Cobalt systems tend to fall back to store-and-forward
1211 * pretty quickly, so we select that from the beginning to
1212 * avoid initial timeouts.
1213 */
1214 sc->sc_txthresh = TXTH_SF;
1215 }
1216
1217 void
1218 tlp_pci_cobalt_21142_reset(sc)
1219 struct tulip_softc *sc;
1220 {
1221 /*
1222 * Reset PHY.
1223 */
1224 TULIP_WRITE(sc, CSR_SIAGEN, SIAGEN_CWE | (1 << 16));
1225 delay(10);
1226 TULIP_WRITE(sc, CSR_SIAGEN, SIAGEN_CWE);
1227 delay(10);
1228 }
1229
1230 void
1231 tlp_pci_algor_21142_quirks(psc, enaddr)
1232 struct tulip_pci_softc *psc;
1233 const u_int8_t *enaddr;
1234 {
1235 struct tulip_softc *sc = &psc->sc_tulip;
1236
1237 /*
1238 * Algorithmics boards just have MII-on-SIO.
1239 *
1240 * XXX They also have AUI on the serial interface.
1241 * XXX Deal with this.
1242 */
1243 sc->sc_mediasw = &tlp_sio_mii_mediasw;
1244 }
1245
1246 void
1247 tlp_pci_adaptec_21143_quirks(psc, enaddr)
1248 struct tulip_pci_softc *psc;
1249 const u_int8_t *enaddr;
1250 {
1251
1252 strcpy(psc->sc_tulip.sc_name, "Adaptec ANA-69xx");
1253 psc->sc_flags |= TULIP_PCI_SHAREDINTR|TULIP_PCI_SHAREDROM;
1254 }
1255