xref: /netbsd-src/sys/dev/pci/if_tlp_pci.c (revision 53b02e147d4ed531c0d2a5ca9b3e8026ba3e99b5)
1 /*	$NetBSD: if_tlp_pci.c,v 1.130 2021/05/08 00:27:02 thorpej Exp $	*/
2 
3 /*-
4  * Copyright (c) 1998, 1999, 2000, 2002 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; and Charles M. Hannum.
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  *
20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  * POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 /*
34  * PCI bus front-end for the Digital Semiconductor ``Tulip'' (21x4x)
35  * Ethernet controller family driver.
36  */
37 
38 #include <sys/cdefs.h>
39 __KERNEL_RCSID(0, "$NetBSD: if_tlp_pci.c,v 1.130 2021/05/08 00:27:02 thorpej Exp $");
40 
41 #include <sys/param.h>
42 #include <sys/systm.h>
43 #include <sys/mbuf.h>
44 #include <sys/malloc.h>
45 #include <sys/kernel.h>
46 #include <sys/socket.h>
47 #include <sys/ioctl.h>
48 #include <sys/errno.h>
49 #include <sys/device.h>
50 
51 #include <machine/endian.h>
52 
53 #include <net/if.h>
54 #include <net/if_dl.h>
55 #include <net/if_media.h>
56 #include <net/if_ether.h>
57 
58 #include <sys/bus.h>
59 #include <sys/intr.h>
60 
61 #include <dev/mii/miivar.h>
62 #include <dev/mii/mii_bitbang.h>
63 
64 #include <dev/ic/tulipreg.h>
65 #include <dev/ic/tulipvar.h>
66 
67 #include <dev/pci/pcivar.h>
68 #include <dev/pci/pcireg.h>
69 #include <dev/pci/pcidevs.h>
70 
71 /*
72  * PCI configuration space registers used by the Tulip.
73  */
74 #define TULIP_PCI_IOBA PCI_BAR(0)	/* i/o mapped base */
75 #define TULIP_PCI_MMBA PCI_BAR(1)	/* memory mapped base */
76 #define	TULIP_PCI_CFDA		0x40	/* configuration driver area */
77 
78 #define	CFDA_SLEEP		0x80000000	/* sleep mode */
79 #define	CFDA_SNOOZE		0x40000000	/* snooze mode */
80 
81 struct tulip_pci_softc {
82 	struct tulip_softc sc_tulip;	/* real Tulip softc */
83 
84 	/* PCI-specific goo. */
85 	void	*sc_ih;			/* interrupt handle */
86 	bus_size_t sc_mapsize;
87 
88 	pci_chipset_tag_t sc_pc;	/* our PCI chipset */
89 	pcitag_t sc_pcitag;		/* our PCI tag */
90 
91 	int	sc_flags;		/* flags; see below */
92 
93 	LIST_HEAD(, tulip_pci_softc) sc_intrslaves;
94 	LIST_ENTRY(tulip_pci_softc) sc_intrq;
95 
96 	/* Our {ROM,interrupt} master. */
97 	struct tulip_pci_softc *sc_master;
98 };
99 
100 /* sc_flags */
101 #define	TULIP_PCI_SHAREDINTR	0x01	/* interrupt is shared */
102 #define	TULIP_PCI_SLAVEINTR	0x02	/* interrupt is slave */
103 #define	TULIP_PCI_SHAREDROM	0x04	/* ROM is shared */
104 #define	TULIP_PCI_SLAVEROM	0x08	/* slave of shared ROM */
105 
106 static int	tlp_pci_match(device_t, cfdata_t, void *);
107 static void	tlp_pci_attach(device_t, device_t, void *);
108 static int	tlp_pci_detach(device_t, int);
109 
110 CFATTACH_DECL3_NEW(tlp_pci, sizeof(struct tulip_pci_softc),
111     tlp_pci_match, tlp_pci_attach, tlp_pci_detach, NULL, NULL, NULL,
112     DVF_DETACH_SHUTDOWN);
113 
114 static const struct device_compatible_entry compat_data[] = {
115 	{ .id = PCI_ID_CODE(PCI_VENDOR_DEC, PCI_PRODUCT_DEC_21040),
116 	  .value = TULIP_CHIP_21040 },
117 
118 	{ .id = PCI_ID_CODE(PCI_VENDOR_DEC, PCI_PRODUCT_DEC_21041),
119 	  .value = TULIP_CHIP_21041 },
120 
121 	{ .id = PCI_ID_CODE(PCI_VENDOR_DEC, PCI_PRODUCT_DEC_21140),
122 	  .value = TULIP_CHIP_21140 },
123 
124 	{ .id = PCI_ID_CODE(PCI_VENDOR_DEC, PCI_PRODUCT_DEC_21142),
125 	  .value = TULIP_CHIP_21142 },
126 
127 
128 
129 	{ .id = PCI_ID_CODE(PCI_VENDOR_LITEON, PCI_PRODUCT_LITEON_82C168),
130 	  .value = TULIP_CHIP_82C168 },
131 
132 	/*
133 	 * Note: This is like a MX98725 with Wake-On-LAN and a
134 	 * 128-bit multicast hash table.
135 	 */
136 	{ .id = PCI_ID_CODE(PCI_VENDOR_LITEON, PCI_PRODUCT_LITEON_82C115),
137 	  .value = TULIP_CHIP_82C115 },
138 
139 
140 
141 	{ .id = PCI_ID_CODE(PCI_VENDOR_MACRONIX, PCI_PRODUCT_MACRONIX_MX98713),
142 	  .value = TULIP_CHIP_MX98713 },
143 
144 	{ .id = PCI_ID_CODE(PCI_VENDOR_MACRONIX, PCI_PRODUCT_MACRONIX_MX987x5),
145 	  .value = TULIP_CHIP_MX98715 },
146 
147 	{ .id = PCI_ID_CODE(PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_RL100TX),
148 	  .value = TULIP_CHIP_MX98713 },
149 
150 
151 
152 	{ .id = PCI_ID_CODE(PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C840F),
153 	  .value = TULIP_CHIP_WB89C840F },
154 
155 	{ .id = PCI_ID_CODE(PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_RL100ATX),
156 	  .value = TULIP_CHIP_WB89C840F },
157 
158 
159 
160 	{ .id = PCI_ID_CODE(PCI_VENDOR_DAVICOM, PCI_PRODUCT_DAVICOM_DM9102),
161 	  .value = TULIP_CHIP_DM9102 },
162 
163 
164 
165 	{ .id = PCI_ID_CODE(PCI_VENDOR_ADMTEK, PCI_PRODUCT_ADMTEK_AL981),
166 	  .value = TULIP_CHIP_AL981 },
167 
168 	{ .id = PCI_ID_CODE(PCI_VENDOR_ADMTEK, PCI_PRODUCT_ADMTEK_AN983),
169 	  .value = TULIP_CHIP_AN985 },
170 
171 	{ .id = PCI_ID_CODE(PCI_VENDOR_ADMTEK, PCI_PRODUCT_ADMTEK_ADM9511),
172 	  .value = TULIP_CHIP_AN985 },
173 
174 	{ .id = PCI_ID_CODE(PCI_VENDOR_ADMTEK, PCI_PRODUCT_ADMTEK_ADM9513),
175 	  .value = TULIP_CHIP_AN985 },
176 
177 	{ .id = PCI_ID_CODE(PCI_VENDOR_ACCTON, PCI_PRODUCT_ACCTON_EN2242),
178 	  .value = TULIP_CHIP_AN985 },
179 
180 	{ .id = PCI_ID_CODE(PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C910SOHOB),
181 	  .value = TULIP_CHIP_AN985 },
182 
183 
184 
185 	{ .id = PCI_ID_CODE(PCI_VENDOR_ASIX, PCI_PRODUCT_ASIX_AX88140A),
186 	  .value = TULIP_CHIP_AX88140 },
187 
188 
189 
190 	{ .id = PCI_ID_CODE(PCI_VENDOR_CONEXANT,
191 		PCI_PRODUCT_CONEXANT_LANFINITY),
192 	  .value = TULIP_CHIP_RS7112 },
193 
194 
195 
196 	PCI_COMPAT_EOL
197 };
198 
199 struct tlp_pci_quirks {
200 	void		(*tpq_func)(struct tulip_pci_softc *,
201 			    const uint8_t *);
202 	uint8_t		tpq_oui[3];
203 };
204 
205 static void	tlp_pci_dec_quirks(struct tulip_pci_softc *,
206 		    const uint8_t *);
207 
208 static void	tlp_pci_znyx_21040_quirks(struct tulip_pci_softc *,
209 		    const uint8_t *);
210 static void	tlp_pci_smc_21040_quirks(struct tulip_pci_softc *,
211 		    const uint8_t *);
212 static void	tlp_pci_cogent_21040_quirks(struct tulip_pci_softc *,
213 		    const uint8_t *);
214 static void	tlp_pci_accton_21040_quirks(struct tulip_pci_softc *,
215 		    const uint8_t *);
216 
217 static void	tlp_pci_cobalt_21142_quirks(struct tulip_pci_softc *,
218 		    const uint8_t *);
219 static void	tlp_pci_algor_21142_quirks(struct tulip_pci_softc *,
220 		    const uint8_t *);
221 static void	tlp_pci_netwinder_21142_quirks(struct tulip_pci_softc *,
222 		    const uint8_t *);
223 static void	tlp_pci_phobos_21142_quirks(struct tulip_pci_softc *,
224 		    const uint8_t *);
225 static void	tlp_pci_znyx_21142_quirks(struct tulip_pci_softc *,
226 		    const uint8_t *);
227 
228 static void	tlp_pci_adaptec_quirks(struct tulip_pci_softc *,
229 		    const uint8_t *);
230 
231 static const struct tlp_pci_quirks tlp_pci_21040_quirks[] = {
232 	{ tlp_pci_znyx_21040_quirks,	{ 0x00, 0xc0, 0x95 } },
233 	{ tlp_pci_smc_21040_quirks,	{ 0x00, 0x00, 0xc0 } },
234 	{ tlp_pci_cogent_21040_quirks,	{ 0x00, 0x00, 0x92 } },
235 	{ tlp_pci_accton_21040_quirks,	{ 0x00, 0x00, 0xe8 } },
236 	{ NULL,				{ 0, 0, 0 } }
237 };
238 
239 static const struct tlp_pci_quirks tlp_pci_21041_quirks[] = {
240 	{ tlp_pci_dec_quirks,		{ 0x08, 0x00, 0x2b } },
241 	{ tlp_pci_dec_quirks,		{ 0x00, 0x00, 0xf8 } },
242 	{ NULL,				{ 0, 0, 0 } }
243 };
244 
245 static void	tlp_pci_asante_21140_quirks(struct tulip_pci_softc *,
246 		    const uint8_t *);
247 static void	tlp_pci_e100_quirks(struct tulip_pci_softc *,
248 		    const uint8_t *);
249 static void	tlp_pci_phobos_21140_quirks(struct tulip_pci_softc *,
250 		    const uint8_t *);
251 static void	tlp_pci_smc_21140_quirks(struct tulip_pci_softc *,
252 		    const uint8_t *);
253 static void	tlp_pci_vpc_21140_quirks(struct tulip_pci_softc *,
254 		    const uint8_t *);
255 
256 static const struct tlp_pci_quirks tlp_pci_21140_quirks[] = {
257 	{ tlp_pci_dec_quirks,		{ 0x08, 0x00, 0x2b } },
258 	{ tlp_pci_dec_quirks,		{ 0x00, 0x00, 0xf8 } },
259 	{ tlp_pci_e100_quirks,		{ 0x00, 0xa0, 0x59 } },
260 	{ tlp_pci_asante_21140_quirks,	{ 0x00, 0x00, 0x94 } },
261 	{ tlp_pci_adaptec_quirks,	{ 0x00, 0x00, 0x92 } },
262 	{ tlp_pci_adaptec_quirks,	{ 0x00, 0x00, 0xd1 } },
263 	{ tlp_pci_phobos_21140_quirks,	{ 0x00, 0x60, 0xf5 } },
264 	{ tlp_pci_smc_21140_quirks,	{ 0x00, 0x00, 0xc0 } },
265 	{ tlp_pci_vpc_21140_quirks,	{ 0x00, 0x03, 0xff } },
266 	{ NULL,				{ 0, 0, 0 } }
267 };
268 
269 static const struct tlp_pci_quirks tlp_pci_21142_quirks[] = {
270 	{ tlp_pci_dec_quirks,		{ 0x08, 0x00, 0x2b } },
271 	{ tlp_pci_dec_quirks,		{ 0x00, 0x00, 0xf8 } },
272 	{ tlp_pci_cobalt_21142_quirks,	{ 0x00, 0x10, 0xe0 } },
273 	{ tlp_pci_algor_21142_quirks,	{ 0x00, 0x40, 0xbc } },
274 	{ tlp_pci_adaptec_quirks,	{ 0x00, 0x00, 0xd1 } },
275 	{ tlp_pci_netwinder_21142_quirks,{ 0x00, 0x10, 0x57 } },
276 	{ tlp_pci_phobos_21142_quirks,	{ 0x00, 0x60, 0xf5 } },
277 	{ tlp_pci_znyx_21142_quirks,	{ 0x00, 0xc0, 0x95 } },
278 	{ NULL,				{ 0, 0, 0 } }
279 };
280 
281 static int	tlp_pci_shared_intr(void *);
282 
283 static void
284 tlp_pci_get_quirks(struct tulip_pci_softc *psc, const uint8_t *enaddr,
285     const struct tlp_pci_quirks *tpq)
286 {
287 
288 	for (; tpq->tpq_func != NULL; tpq++) {
289 		if (tpq->tpq_oui[0] == enaddr[0] &&
290 		    tpq->tpq_oui[1] == enaddr[1] &&
291 		    tpq->tpq_oui[2] == enaddr[2]) {
292 			(*tpq->tpq_func)(psc, enaddr);
293 			return;
294 		}
295 	}
296 }
297 
298 static void
299 tlp_pci_check_slaved(struct tulip_pci_softc *psc, int shared, int slaved)
300 {
301 	extern struct cfdriver tlp_cd;
302 	struct tulip_pci_softc *cur, *best = NULL;
303 	struct tulip_softc *sc = &psc->sc_tulip;
304 	int i;
305 
306 	/*
307 	 * First of all, find the lowest pcidev numbered device on our
308 	 * bus marked as shared.  That should be our master.
309 	 */
310 	for (i = 0; i < tlp_cd.cd_ndevs; i++) {
311 		if ((cur = device_lookup_private(&tlp_cd, i)) == NULL)
312 			continue;
313 		if (device_parent(cur->sc_tulip.sc_dev) !=
314 		    device_parent(sc->sc_dev))
315 			continue;
316 		if ((cur->sc_flags & shared) == 0)
317 			continue;
318 		if (cur == psc)
319 			continue;
320 		if (best == NULL ||
321 		    best->sc_tulip.sc_devno > cur->sc_tulip.sc_devno)
322 			best = cur;
323 	}
324 
325 	if (best != NULL) {
326 		psc->sc_master = best;
327 		psc->sc_flags |= (shared | slaved);
328 	}
329 }
330 
331 static int
332 tlp_pci_match(device_t parent, cfdata_t match, void *aux)
333 {
334 	struct pci_attach_args *pa = aux;
335 
336 	if (pci_compatible_match(pa, compat_data)) {
337 		/* Don't match lmc cards */
338 		const pcireg_t subsys = pci_conf_read(pa->pa_pc, pa->pa_tag,
339 		    PCI_SUBSYS_ID_REG);
340 		if (PCI_VENDOR(subsys) == PCI_VENDOR_LMC) {
341 			return 0;
342 		}
343 		return 10;	/* beat if_de.c */
344 	}
345 	return 0;
346 }
347 
348 static void
349 tlp_pci_attach(device_t parent, device_t self, void *aux)
350 {
351 	struct tulip_pci_softc *psc = device_private(self);
352 	struct tulip_softc *sc = &psc->sc_tulip;
353 	struct pci_attach_args *pa = aux;
354 	pci_chipset_tag_t pc = pa->pa_pc;
355 	pci_intr_handle_t ih;
356 	const char *intrstr = NULL;
357 	bus_space_tag_t iot, memt;
358 	bus_space_handle_t ioh, memh;
359 	int ioh_valid, memh_valid, i, j;
360 	const struct device_compatible_entry *dce;
361 	prop_data_t ea;
362 	uint8_t enaddr[ETHER_ADDR_LEN];
363 	uint32_t val = 0;
364 	pcireg_t reg;
365 	int error;
366 	bus_size_t iosize = 0, memsize = 0;
367 	char intrbuf[PCI_INTRSTR_LEN];
368 
369 	sc->sc_dev = self;
370 	sc->sc_devno = pa->pa_device;
371 	psc->sc_pc = pa->pa_pc;
372 	psc->sc_pcitag = pa->pa_tag;
373 
374 	LIST_INIT(&psc->sc_intrslaves);
375 
376 	dce = pci_compatible_lookup(pa, compat_data);
377 	KASSERT(dce != NULL);
378 	sc->sc_chip = (tulip_chip_t)dce->value;
379 
380 	/*
381 	 * By default, Tulip registers are 8 bytes long (4 bytes
382 	 * followed by a 4 byte pad).
383 	 */
384 	sc->sc_regshift = 3;
385 
386 	/*
387 	 * No power management hooks.
388 	 * XXX Maybe we should add some!
389 	 */
390 	sc->sc_flags |= TULIPF_ENABLED;
391 
392 	/*
393 	 * Get revision info, and set some chip-specific variables.
394 	 */
395 	sc->sc_rev = PCI_REVISION(pa->pa_class);
396 	switch (sc->sc_chip) {
397 	case TULIP_CHIP_21140:
398 		if (sc->sc_rev >= 0x20)
399 			sc->sc_chip = TULIP_CHIP_21140A;
400 		break;
401 
402 	case TULIP_CHIP_21142:
403 		if (sc->sc_rev >= 0x20)
404 			sc->sc_chip = TULIP_CHIP_21143;
405 		break;
406 
407 	case TULIP_CHIP_82C168:
408 		if (sc->sc_rev >= 0x20)
409 			sc->sc_chip = TULIP_CHIP_82C169;
410 		break;
411 
412 	case TULIP_CHIP_MX98713:
413 		if (sc->sc_rev >= 0x10)
414 			sc->sc_chip = TULIP_CHIP_MX98713A;
415 		break;
416 
417 	case TULIP_CHIP_MX98715:
418 		if (sc->sc_rev >= 0x20)
419 			sc->sc_chip = TULIP_CHIP_MX98715A;
420 		if (sc->sc_rev >= 0x25)
421 			sc->sc_chip = TULIP_CHIP_MX98715AEC_X;
422 		if (sc->sc_rev >= 0x30)
423 			sc->sc_chip = TULIP_CHIP_MX98725;
424 		break;
425 
426 	case TULIP_CHIP_WB89C840F:
427 		sc->sc_regshift = 2;
428 		break;
429 
430 	case TULIP_CHIP_AN985:
431 		/*
432 		 * The AN983 and AN985 are very similar, and are
433 		 * differentiated by a "signature" register that
434 		 * is like, but not identical, to a PCI ID register.
435 		 */
436 		reg = pci_conf_read(pc, pa->pa_tag, 0x80);
437 		switch (reg) {
438 		case 0x09811317:
439 			sc->sc_chip = TULIP_CHIP_AN985;
440 			break;
441 
442 		case 0x09851317:
443 			sc->sc_chip = TULIP_CHIP_AN983;
444 			break;
445 
446 		default:
447 			/* Unknown -- use default. */
448 			break;
449 		}
450 		break;
451 
452 	case TULIP_CHIP_AX88140:
453 		if (sc->sc_rev >= 0x10)
454 			sc->sc_chip = TULIP_CHIP_AX88141;
455 		break;
456 
457 	case TULIP_CHIP_DM9102:
458 		if (sc->sc_rev >= 0x30)
459 			sc->sc_chip = TULIP_CHIP_DM9102A;
460 		break;
461 
462 	default:
463 		/* Nothing. */
464 		break;
465 	}
466 
467 	aprint_normal(": %s Ethernet, pass %d.%d\n",
468 	    tlp_chip_name(sc->sc_chip),
469 	    (sc->sc_rev >> 4) & 0xf, sc->sc_rev & 0xf);
470 
471 	switch (sc->sc_chip) {
472 	case TULIP_CHIP_21040:
473 		if (sc->sc_rev < 0x20) {
474 			aprint_normal_dev(self,
475 			    "21040 must be at least pass 2.0\n");
476 			return;
477 		}
478 		break;
479 
480 	case TULIP_CHIP_21140:
481 		if (sc->sc_rev < 0x11) {
482 			aprint_normal_dev(self,
483 			    "21140 must be at least pass 1.1\n");
484 			return;
485 		}
486 		break;
487 
488 	default:
489 		/* Nothing. */
490 		break;
491 	}
492 
493 	/*
494 	 * Check to see if the device is in power-save mode, and
495 	 * being it out if necessary.
496 	 */
497 	switch (sc->sc_chip) {
498 	case TULIP_CHIP_21140:
499 	case TULIP_CHIP_21140A:
500 	case TULIP_CHIP_21142:
501 	case TULIP_CHIP_21143:
502 	case TULIP_CHIP_MX98713A:
503 	case TULIP_CHIP_MX98715:
504 	case TULIP_CHIP_MX98715A:
505 	case TULIP_CHIP_MX98715AEC_X:
506 	case TULIP_CHIP_MX98725:
507 	case TULIP_CHIP_DM9102:
508 	case TULIP_CHIP_DM9102A:
509 	case TULIP_CHIP_AX88140:
510 	case TULIP_CHIP_AX88141:
511 	case TULIP_CHIP_RS7112:
512 		/*
513 		 * Clear the "sleep mode" bit in the CFDA register.
514 		 */
515 		reg = pci_conf_read(pc, pa->pa_tag, TULIP_PCI_CFDA);
516 		if (reg & (CFDA_SLEEP | CFDA_SNOOZE))
517 			pci_conf_write(pc, pa->pa_tag, TULIP_PCI_CFDA,
518 			    reg & ~(CFDA_SLEEP | CFDA_SNOOZE));
519 		break;
520 
521 	default:
522 		/* Nothing. */
523 		break;
524 	}
525 
526 	/* power up chip */
527 	if ((error = pci_activate(pa->pa_pc, pa->pa_tag, self,
528 	    NULL)) && error != EOPNOTSUPP) {
529 		aprint_error_dev(self, "cannot activate %d\n", error);
530 		return;
531 	}
532 
533 	/*
534 	 * Map the device.
535 	 */
536 
537 	ioh_valid = (pci_mapreg_map(pa, TULIP_PCI_IOBA,
538 	    PCI_MAPREG_TYPE_IO, 0,
539 	    &iot, &ioh, NULL, &iosize) == 0);
540 	memh_valid = (pci_mapreg_map(pa, TULIP_PCI_MMBA,
541 	    PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
542 	    &memt, &memh, NULL, &memsize) == 0);
543 	if (memh_valid) {
544 		sc->sc_st = memt;
545 		sc->sc_sh = memh;
546 		psc->sc_mapsize = memsize;
547 		if (ioh_valid) {
548 			bus_space_unmap(iot, ioh, iosize);
549 			ioh_valid = 0;
550 		}
551 	} else if (ioh_valid) {
552 		sc->sc_st = iot;
553 		sc->sc_sh = ioh;
554 		psc->sc_mapsize = iosize;
555 		if (memh_valid) {
556 			bus_space_unmap(memt, memh, memsize);
557 			memh_valid = 0;
558 		}
559 	} else {
560 		aprint_error_dev(self, "unable to map device registers\n");
561 		goto fail;
562 	}
563 
564 	sc->sc_dmat = pa->pa_dmat;
565 
566 	/*
567 	 * Make sure bus mastering is enabled.
568 	 */
569 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
570 	    pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
571 	    PCI_COMMAND_MASTER_ENABLE);
572 
573 	/*
574 	 * Get the cacheline size.
575 	 */
576 	sc->sc_cacheline = PCI_CACHELINE(pci_conf_read(pc, pa->pa_tag,
577 	    PCI_BHLC_REG));
578 
579 	/*
580 	 * Get PCI data moving command info.
581 	 */
582 	if (pa->pa_flags & PCI_FLAGS_MRL_OKAY)
583 		sc->sc_flags |= TULIPF_MRL;
584 	if (pa->pa_flags & PCI_FLAGS_MRM_OKAY)
585 		sc->sc_flags |= TULIPF_MRM;
586 	if (pa->pa_flags & PCI_FLAGS_MWI_OKAY)
587 		sc->sc_flags |= TULIPF_MWI;
588 
589 	/*
590 	 * Read the contents of the Ethernet Address ROM/SROM.
591 	 */
592 	switch (sc->sc_chip) {
593 	case TULIP_CHIP_21040:
594 		sc->sc_srom_addrbits = 6;
595 		sc->sc_srom = malloc(TULIP_ROM_SIZE(6), M_DEVBUF, M_WAITOK);
596 		TULIP_WRITE(sc, CSR_MIIROM, MIIROM_SROMCS);
597 		for (i = 0; i < TULIP_ROM_SIZE(6); i++) {
598 			for (j = 0; j < 10000; j++) {
599 				val = TULIP_READ(sc, CSR_MIIROM);
600 				if ((val & MIIROM_DN) == 0)
601 					break;
602 			}
603 			sc->sc_srom[i] = val & MIIROM_DATA;
604 		}
605 		break;
606 
607 	case TULIP_CHIP_82C168:
608 	case TULIP_CHIP_82C169:
609 	    {
610 		sc->sc_srom_addrbits = 2;
611 		sc->sc_srom = malloc(TULIP_ROM_SIZE(2), M_DEVBUF, M_WAITOK);
612 
613 		/*
614 		 * The Lite-On PNIC stores the Ethernet address in
615 		 * the first 3 words of the EEPROM.  EEPROM access
616 		 * is not like the other Tulip chips.
617 		 */
618 		for (i = 0; i < 6; i += 2) {
619 			TULIP_WRITE(sc, CSR_PNIC_SROMCTL,
620 			    PNIC_SROMCTL_READ | (i >> 1));
621 			for (j = 0; j < 500; j++) {
622 				delay(2);
623 				val = TULIP_READ(sc, CSR_MIIROM);
624 				if ((val & PNIC_MIIROM_BUSY) == 0)
625 					break;
626 			}
627 			if (val & PNIC_MIIROM_BUSY) {
628 				aprint_error_dev(self, "EEPROM timed out\n");
629 				goto fail;
630 			}
631 			val &= PNIC_MIIROM_DATA;
632 			sc->sc_srom[i] = val >> 8;
633 			sc->sc_srom[i + 1] = val & 0xff;
634 		}
635 		break;
636 	    }
637 
638 	default:
639 		/*
640 		 * XXX This isn't quite the right way to do this; we should
641 		 * XXX be attempting to fetch the mac-addr property in the
642 		 * XXX bus-agnostic part of the driver independently.  But
643 		 * XXX that requires a larger change in the SROM handling
644 		 * XXX logic, and for now we can at least remove a machine-
645 		 * XXX dependent wart from the PCI front-end.
646 		 */
647 		ea = prop_dictionary_get(device_properties(self),
648 					 "mac-address");
649 		if (ea != NULL) {
650 			extern int tlp_srom_debug;
651 			KASSERT(prop_object_type(ea) == PROP_TYPE_DATA);
652 			KASSERT(prop_data_size(ea) == ETHER_ADDR_LEN);
653 
654 			memcpy(enaddr, prop_data_value(ea),
655 			       ETHER_ADDR_LEN);
656 
657 			sc->sc_srom_addrbits = 6;
658 			sc->sc_srom = malloc(TULIP_ROM_SIZE(6), M_DEVBUF,
659 			    M_WAITOK | M_ZERO);
660 			memcpy(sc->sc_srom, enaddr, sizeof(enaddr));
661 			if (tlp_srom_debug) {
662 				aprint_normal("SROM CONTENTS:");
663 				for (i = 0; i < TULIP_ROM_SIZE(6); i++) {
664 					if ((i % 8) == 0)
665 						aprint_normal("\n\t");
666 					aprint_normal("0x%02x ",
667 					    sc->sc_srom[i]);
668 				}
669 				aprint_normal("\n");
670 			}
671 			break;
672 		}
673 
674 		/* Check for a slaved ROM on a multi-port board. */
675 		tlp_pci_check_slaved(psc, TULIP_PCI_SHAREDROM,
676 		    TULIP_PCI_SLAVEROM);
677 		if (psc->sc_flags & TULIP_PCI_SLAVEROM) {
678 			sc->sc_srom_addrbits =
679 			    psc->sc_master->sc_tulip.sc_srom_addrbits;
680 			sc->sc_srom = psc->sc_master->sc_tulip.sc_srom;
681 			enaddr[5] +=
682 			    sc->sc_devno - psc->sc_master->sc_tulip.sc_devno;
683 		}
684 		else if (tlp_read_srom(sc) == 0)
685 			goto cant_cope;
686 		break;
687 	}
688 
689 	/*
690 	 * Deal with chip/board quirks.  This includes setting up
691 	 * the mediasw, and extracting the Ethernet address from
692 	 * the rombuf.
693 	 */
694 	switch (sc->sc_chip) {
695 	case TULIP_CHIP_21040:
696 		/*
697 		 * Parse the Ethernet Address ROM.
698 		 */
699 		if (tlp_parse_old_srom(sc, enaddr) == 0)
700 			goto cant_cope;
701 
702 
703 		/*
704 		 * All 21040 boards start out with the same
705 		 * media switch.
706 		 */
707 		sc->sc_mediasw = &tlp_21040_mediasw;
708 
709 		/*
710 		 * Deal with any quirks this board might have.
711 		 */
712 		tlp_pci_get_quirks(psc, enaddr, tlp_pci_21040_quirks);
713 		break;
714 
715 	case TULIP_CHIP_21041:
716 		/* Check for new format SROM. */
717 		if (tlp_isv_srom_enaddr(sc, enaddr) == 0) {
718 			/*
719 			 * Not an ISV SROM; try the old DEC Ethernet Address
720 			 * ROM format.
721 			 */
722 			if (tlp_parse_old_srom(sc, enaddr) == 0)
723 				goto cant_cope;
724 		}
725 
726 		/*
727 		 * All 21041 boards use the same media switch; they all
728 		 * work basically the same!  Yippee!
729 		 */
730 		sc->sc_mediasw = &tlp_21041_mediasw;
731 
732 		/*
733 		 * Deal with any quirks this board might have.
734 		 */
735 		tlp_pci_get_quirks(psc, enaddr, tlp_pci_21041_quirks);
736 		break;
737 
738 	case TULIP_CHIP_21140:
739 	case TULIP_CHIP_21140A:
740 		/* Check for new format SROM. */
741 		if (tlp_isv_srom_enaddr(sc, enaddr) == 0) {
742 			/*
743 			 * Not an ISV SROM; try the old DEC Ethernet Address
744 			 * ROM format.
745 			 */
746 			if (tlp_parse_old_srom(sc, enaddr) == 0)
747 				goto cant_cope;
748 		} else {
749 			/*
750 			 * We start out with the 2114x ISV media switch.
751 			 * When we search for quirks, we may change to
752 			 * a different switch.
753 			 */
754 			sc->sc_mediasw = &tlp_2114x_isv_mediasw;
755 		}
756 
757 		/*
758 		 * Deal with any quirks this board might have.
759 		 */
760 		tlp_pci_get_quirks(psc, enaddr, tlp_pci_21140_quirks);
761 
762 		/*
763 		 * Bail out now if we can't deal with this board.
764 		 */
765 		if (sc->sc_mediasw == NULL)
766 			goto cant_cope;
767 		break;
768 
769 	case TULIP_CHIP_21142:
770 	case TULIP_CHIP_21143:
771 		/* Check for new format SROM. */
772 		if (tlp_isv_srom_enaddr(sc, enaddr) == 0) {
773 			/*
774 			 * Not an ISV SROM; try the old DEC Ethernet Address
775 			 * ROM format.
776 			 */
777 			if (tlp_parse_old_srom(sc, enaddr) == 0) {
778 				/*
779 				 * One last try: just copy the address
780 				 * from offset 20 and try to look
781 				 * up quirks.
782 				 */
783 				memcpy(enaddr, &sc->sc_srom[20],
784 				    ETHER_ADDR_LEN);
785 			}
786 		} else {
787 			/*
788 			 * We start out with the 2114x ISV media switch.
789 			 * When we search for quirks, we may change to
790 			 * a different switch.
791 			 */
792 			sc->sc_mediasw = &tlp_2114x_isv_mediasw;
793 		}
794 
795 		/*
796 		 * Deal with any quirks this board might have.
797 		 */
798 		tlp_pci_get_quirks(psc, enaddr, tlp_pci_21142_quirks);
799 
800 		/*
801 		 * Bail out now if we can't deal with this board.
802 		 */
803 		if (sc->sc_mediasw == NULL)
804 			goto cant_cope;
805 		break;
806 
807 	case TULIP_CHIP_82C168:
808 	case TULIP_CHIP_82C169:
809 		/*
810 		 * Lite-On PNIC's Ethernet address is the first 6
811 		 * bytes of its EEPROM.
812 		 */
813 		memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN);
814 
815 		/*
816 		 * Lite-On PNICs always use the same mediasw; we
817 		 * select MII vs. internal NWAY automatically.
818 		 */
819 		sc->sc_mediasw = &tlp_pnic_mediasw;
820 		break;
821 
822 	case TULIP_CHIP_MX98713:
823 		/*
824 		 * The Macronix MX98713 has an MII and GPIO, but no
825 		 * internal Nway block.  This chip is basically a
826 		 * perfect 21140A clone, with the exception of the
827 		 * a magic register frobbing in order to make the
828 		 * interface function.
829 		 */
830 		if (tlp_isv_srom_enaddr(sc, enaddr)) {
831 			sc->sc_mediasw = &tlp_2114x_isv_mediasw;
832 			break;
833 		}
834 		/* FALLTHROUGH */
835 
836 	case TULIP_CHIP_82C115:
837 		/*
838 		 * Yippee!  The Lite-On 82C115 is a clone of
839 		 * the MX98725 (the data sheet even says `MXIC'
840 		 * on it)!  Imagine that, a clone of a clone.
841 		 *
842 		 * The differences are really minimal:
843 		 *
844 		 *	- Wake-On-LAN support
845 		 *	- 128-bit multicast hash table, rather than
846 		 *	  the standard 512-bit hash table
847 		 */
848 		/* FALLTHROUGH */
849 
850 	case TULIP_CHIP_MX98713A:
851 	case TULIP_CHIP_MX98715A:
852 	case TULIP_CHIP_MX98715AEC_X:
853 	case TULIP_CHIP_MX98725:
854 		/*
855 		 * The MX98713A has an MII as well as an internal Nway block,
856 		 * but no GPIO.  The MX98715 and MX98725 have an internal
857 		 * Nway block only.
858 		 *
859 		 * The internal Nway block, unlike the Lite-On PNIC's, does
860 		 * just that - performs Nway.  Once autonegotiation completes,
861 		 * we must program the GPR media information into the chip.
862 		 *
863 		 * The byte offset of the Ethernet address is stored at
864 		 * offset 0x70.
865 		 */
866 		memcpy(enaddr, &sc->sc_srom[sc->sc_srom[0x70]], ETHER_ADDR_LEN);
867 		sc->sc_mediasw = &tlp_pmac_mediasw;
868 		break;
869 
870 	case TULIP_CHIP_WB89C840F:
871 		/*
872 		 * Winbond 89C840F's Ethernet address is the first
873 		 * 6 bytes of its EEPROM.
874 		 */
875 		memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN);
876 
877 		/*
878 		 * Winbond 89C840F has an MII attached to the SIO.
879 		 */
880 		sc->sc_mediasw = &tlp_sio_mii_mediasw;
881 		break;
882 
883 	case TULIP_CHIP_AL981:
884 		/*
885 		 * The ADMtek AL981's Ethernet address is located
886 		 * at offset 8 of its EEPROM.
887 		 */
888 		memcpy(enaddr, &sc->sc_srom[8], ETHER_ADDR_LEN);
889 
890 		/*
891 		 * ADMtek AL981 has a built-in PHY accessed through
892 		 * special registers.
893 		 */
894 		sc->sc_mediasw = &tlp_al981_mediasw;
895 		break;
896 
897 	case TULIP_CHIP_AN983:
898 	case TULIP_CHIP_AN985:
899 		/*
900 		 * The ADMtek AN985's Ethernet address is located
901 		 * at offset 8 of its EEPROM.
902 		 */
903 		memcpy(enaddr, &sc->sc_srom[8], ETHER_ADDR_LEN);
904 
905 		/*
906 		 * The ADMtek AN985 can be configured in Single-Chip
907 		 * mode or MAC-only mode.  Single-Chip uses the built-in
908 		 * PHY, MAC-only has an external PHY (usually HomePNA).
909 		 * The selection is based on an EEPROM setting, and both
910 		 * PHYs are accessed via MII attached to SIO.
911 		 *
912 		 * The AN985 "ghosts" the internal PHY onto all
913 		 * MII addresses, so we have to use a media init
914 		 * routine that limits the search.
915 		 * XXX How does this work with MAC-only mode?
916 		 */
917 		sc->sc_mediasw = &tlp_an985_mediasw;
918 		break;
919 
920 	case TULIP_CHIP_DM9102:
921 	case TULIP_CHIP_DM9102A:
922 		/*
923 		 * Some boards with the Davicom chip have an ISV
924 		 * SROM (mostly DM9102A boards -- trying to describe
925 		 * the HomePNA PHY, probably) although the data in
926 		 * them is generally wrong.  Check for ISV format
927 		 * and grab the Ethernet address that way, and if
928 		 * that fails, fall back on grabbing it from an
929 		 * observed offset of 20 (which is where it would
930 		 * be in an ISV SROM anyhow, tho ISV can cope with
931 		 * multi-port boards).
932 		 */
933 		if (!tlp_isv_srom_enaddr(sc, enaddr)) {
934 
935 			prop_data_t eaddrprop;
936 
937 			eaddrprop = prop_dictionary_get(
938 				device_properties(self), "mac-address");
939 
940 			if (eaddrprop != NULL
941 			    && prop_data_size(eaddrprop) == ETHER_ADDR_LEN)
942 				memcpy(enaddr,
943 				    prop_data_value(eaddrprop),
944 				    ETHER_ADDR_LEN);
945 			else
946 				memcpy(enaddr, &sc->sc_srom[20],
947 				    ETHER_ADDR_LEN);
948 		}
949 
950 		/*
951 		 * Davicom chips all have an internal MII interface
952 		 * and a built-in PHY.  DM9102A also has a an external
953 		 * MII interface, usually with a HomePNA PHY attached
954 		 * to it.
955 		 */
956 		sc->sc_mediasw = &tlp_dm9102_mediasw;
957 		break;
958 
959 	case TULIP_CHIP_AX88140:
960 	case TULIP_CHIP_AX88141:
961 		/*
962 		 * ASIX AX88140/AX88141 Ethernet Address is located at offset
963 		 * 20 of the SROM.
964 		 */
965 		memcpy(enaddr, &sc->sc_srom[20], ETHER_ADDR_LEN);
966 
967 		/*
968 		 * ASIX AX88140A/AX88141 chip can have a built-in PHY or
969 		 * an external MII interface.
970 		 */
971 		sc->sc_mediasw = &tlp_asix_mediasw;
972 		break;
973 
974 	case TULIP_CHIP_RS7112:
975 		/*
976 		 * RS7112 Ethernet Address is located of offset 0x19a
977 		 * of the SROM
978 		 */
979 		memcpy(enaddr, &sc->sc_srom[0x19a], ETHER_ADDR_LEN);
980 
981 		/* RS7112 chip has a PHY at MII address 1 */
982 		sc->sc_mediasw = &tlp_rs7112_mediasw;
983 		break;
984 
985 	default:
986  cant_cope:
987 		aprint_error_dev(self, "sorry, unable to handle your board\n");
988 		goto fail;
989 	}
990 
991 	/*
992 	 * Handle shared interrupts.
993 	 */
994 	if (psc->sc_flags & TULIP_PCI_SHAREDINTR) {
995 		if (psc->sc_master)
996 			psc->sc_flags |= TULIP_PCI_SLAVEINTR;
997 		else {
998 			tlp_pci_check_slaved(psc, TULIP_PCI_SHAREDINTR,
999 			    TULIP_PCI_SLAVEINTR);
1000 			if (psc->sc_master == NULL)
1001 				psc->sc_master = psc;
1002 		}
1003 		LIST_INSERT_HEAD(&psc->sc_master->sc_intrslaves,
1004 		    psc, sc_intrq);
1005 	}
1006 
1007 	if (psc->sc_flags & TULIP_PCI_SLAVEINTR) {
1008 		aprint_normal_dev(self, "sharing interrupt with %s\n",
1009 		    device_xname(psc->sc_master->sc_tulip.sc_dev));
1010 	} else {
1011 		/*
1012 		 * Map and establish our interrupt.
1013 		 */
1014 		if (pci_intr_map(pa, &ih)) {
1015 			aprint_error_dev(self, "unable to map interrupt\n");
1016 			goto fail;
1017 		}
1018 		intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf));
1019 		psc->sc_ih = pci_intr_establish_xname(pc, ih, IPL_NET,
1020 		    (psc->sc_flags & TULIP_PCI_SHAREDINTR) ?
1021 		    tlp_pci_shared_intr : tlp_intr, sc, device_xname(self));
1022 		if (psc->sc_ih == NULL) {
1023 			aprint_error_dev(self, "unable to establish interrupt");
1024 			if (intrstr != NULL)
1025 				aprint_error(" at %s", intrstr);
1026 			aprint_error("\n");
1027 			goto fail;
1028 		}
1029 		aprint_normal_dev(self, "interrupting at %s\n",
1030 		    intrstr);
1031 	}
1032 
1033 	/*
1034 	 * Finish off the attach.
1035 	 */
1036 	error = tlp_attach(sc, enaddr);
1037 	if (error)
1038 		goto fail;
1039 	return;
1040 
1041 fail:
1042 	if (psc->sc_ih != NULL) {
1043 		pci_intr_disestablish(psc->sc_pc, psc->sc_ih);
1044 		psc->sc_ih = NULL;
1045 	}
1046 
1047 	if (ioh_valid)
1048 		bus_space_unmap(iot, ioh, iosize);
1049 	if (memh_valid)
1050 		bus_space_unmap(memt, memh, memsize);
1051 	psc->sc_mapsize = 0;
1052 	return;
1053 }
1054 
1055 static int
1056 tlp_pci_detach(device_t self, int flags)
1057 {
1058 	struct tulip_pci_softc *psc = device_private(self);
1059 	struct tulip_softc *sc = &psc->sc_tulip;
1060 	int rv;
1061 
1062 	rv = tlp_detach(sc);
1063 	if (rv)
1064 		return rv;
1065 
1066 	if (psc->sc_ih != NULL) {
1067 		pci_intr_disestablish(psc->sc_pc, psc->sc_ih);
1068 		psc->sc_ih = NULL;
1069 	}
1070 
1071 	if (psc->sc_mapsize) {
1072 		bus_space_unmap(sc->sc_st, sc->sc_sh, psc->sc_mapsize);
1073 		psc->sc_mapsize = 0;
1074 	}
1075 
1076 	return 0;
1077 }
1078 
1079 static int
1080 tlp_pci_shared_intr(void *arg)
1081 {
1082 	struct tulip_pci_softc *master = arg, *slave;
1083 	int rv = 0;
1084 
1085 	for (slave = LIST_FIRST(&master->sc_intrslaves);
1086 	     slave != NULL;
1087 	     slave = LIST_NEXT(slave, sc_intrq))
1088 		rv |= tlp_intr(&slave->sc_tulip);
1089 
1090 	return rv;
1091 }
1092 
1093 static void
1094 tlp_pci_dec_quirks(struct tulip_pci_softc *psc, const uint8_t *enaddr)
1095 {
1096 	struct tulip_softc *sc = &psc->sc_tulip;
1097 
1098 	/*
1099 	 * This isn't really a quirk-gathering device, really.  We
1100 	 * just want to get the spiffy DEC board name from the SROM.
1101 	 */
1102 	strcpy(sc->sc_name, "DEC ");
1103 
1104 	if (memcmp(&sc->sc_srom[29], "DE500", 5) == 0 ||
1105 	    memcmp(&sc->sc_srom[29], "DE450", 5) == 0)
1106 		memcpy(&sc->sc_name[4], &sc->sc_srom[29], 8);
1107 	else
1108 		sc->sc_name[3] = '\0';
1109 }
1110 
1111 static void
1112 tlp_pci_znyx_21040_quirks(struct tulip_pci_softc *psc, const uint8_t *enaddr)
1113 {
1114 	struct tulip_softc *sc = &psc->sc_tulip;
1115 	uint16_t id = 0;
1116 
1117 	/*
1118 	 * If we have a slaved ROM, just copy the bits from the master.
1119 	 * This is in case we fail the ROM ID check (older boards) and
1120 	 * need to fall back on Ethernet address model checking; that
1121 	 * will fail for slave chips.
1122 	 */
1123 	if (psc->sc_flags & TULIP_PCI_SLAVEROM) {
1124 		strcpy(sc->sc_name, psc->sc_master->sc_tulip.sc_name);
1125 		sc->sc_mediasw = psc->sc_master->sc_tulip.sc_mediasw;
1126 		psc->sc_flags |=
1127 		    psc->sc_master->sc_flags & TULIP_PCI_SHAREDINTR;
1128 		return;
1129 	}
1130 
1131 	if (sc->sc_srom[32] == 0x4a && sc->sc_srom[33] == 0x52) {
1132 		id = sc->sc_srom[37] | (sc->sc_srom[36] << 8);
1133 		switch (id) {
1134  zx312:
1135 		case 0x0602:	/* ZX312 */
1136 			strcpy(sc->sc_name, "ZNYX ZX312");
1137 			return;
1138 
1139 		case 0x0622:	/* ZX312T */
1140 			strcpy(sc->sc_name, "ZNYX ZX312T");
1141 			sc->sc_mediasw = &tlp_21040_tp_mediasw;
1142 			return;
1143 
1144  zx314_inta:
1145 		case 0x0701:	/* ZX314 INTA */
1146 			psc->sc_flags |= TULIP_PCI_SHAREDINTR;
1147 			/* FALLTHROUGH */
1148 		case 0x0711:	/* ZX314 */
1149 			strcpy(sc->sc_name, "ZNYX ZX314");
1150 			psc->sc_flags |= TULIP_PCI_SHAREDROM;
1151 			sc->sc_mediasw = &tlp_21040_tp_mediasw;
1152 			return;
1153 
1154  zx315_inta:
1155 		case 0x0801:	/* ZX315 INTA */
1156 			psc->sc_flags |= TULIP_PCI_SHAREDINTR;
1157 			/* FALLTHROUGH */
1158 		case 0x0811:	/* ZX315 */
1159 			strcpy(sc->sc_name, "ZNYX ZX315");
1160 			psc->sc_flags |= TULIP_PCI_SHAREDROM;
1161 			return;
1162 
1163 		default:
1164 			id = 0;
1165 			break;
1166 		}
1167 	}
1168 
1169 	/*
1170 	 * Deal with boards that have broken ROMs.
1171 	 */
1172 	if (id == 0) {
1173 		if ((enaddr[3] & ~3) == 0xf0 && (enaddr[5] & 3) == 0x00)
1174 			goto zx314_inta;
1175 		if ((enaddr[3] & ~3) == 0xf4 && (enaddr[5] & 1) == 0x00)
1176 			goto zx315_inta;
1177 		if ((enaddr[3] & ~3) == 0xec)
1178 			goto zx312;
1179 	}
1180 
1181 	strcpy(sc->sc_name, "ZNYX ZX31x");
1182 }
1183 
1184 static void	tlp_pci_znyx_21142_qs6611_reset(struct tulip_softc *);
1185 
1186 static void
1187 tlp_pci_znyx_21142_quirks(struct tulip_pci_softc *psc, const uint8_t *enaddr)
1188 {
1189 	struct tulip_softc *sc = &psc->sc_tulip;
1190 	pcireg_t subid;
1191 
1192 	subid = pci_conf_read(psc->sc_pc, psc->sc_pcitag, PCI_SUBSYS_ID_REG);
1193 
1194 	if (PCI_VENDOR(subid) != PCI_VENDOR_ZNYX)
1195 		return;		/* ? */
1196 
1197 	switch (PCI_PRODUCT(subid) & 0xff) {
1198 	/*
1199 	 * ZNYX 21143 boards with QS6611 PHY
1200 	 */
1201 	case 0x12:	/* ZX345Q */
1202 	case 0x13:	/* ZX346Q */
1203 	case 0x14:	/* ZX348Q */
1204 	case 0x18:	/* ZX414 */
1205 	case 0x19:	/* ZX412 */
1206 	case 0x1a:	/* ZX444 */
1207 	case 0x1b:	/* ZX442 */
1208 	case 0x23:	/* ZX212 */
1209 	case 0x24:	/* ZX214 */
1210 	case 0x29:	/* ZX374 */
1211 	case 0x2d:	/* ZX372 */
1212 	case 0x2b:	/* ZX244 */
1213 	case 0x2c:	/* ZX424 */
1214 	case 0x2e:	/* ZX422 */
1215 		aprint_normal_dev(sc->sc_dev, "QS6611 PHY\n");
1216 		sc->sc_reset = tlp_pci_znyx_21142_qs6611_reset;
1217 		break;
1218 	}
1219 }
1220 
1221 static void
1222 tlp_pci_znyx_21142_qs6611_reset(struct tulip_softc *sc)
1223 {
1224 
1225 	/*
1226 	 * Reset QS6611 PHY.
1227 	 */
1228 	TULIP_WRITE(sc, CSR_SIAGEN,
1229 	    SIAGEN_CWE | SIAGEN_LGS1 | SIAGEN_ABM | (0xf << 16));
1230 	delay(200);
1231 	TULIP_WRITE(sc, CSR_SIAGEN, (0x4 << 16));
1232 	delay(10000);
1233 }
1234 
1235 static void
1236 tlp_pci_smc_21040_quirks(struct tulip_pci_softc *psc, const uint8_t *enaddr)
1237 {
1238 	struct tulip_softc *sc = &psc->sc_tulip;
1239 	uint16_t id1, id2, ei;
1240 	int auibnc = 0, utp = 0;
1241 	char *cp;
1242 
1243 	id1 = sc->sc_srom[0x60] | (sc->sc_srom[0x61] << 8);
1244 	id2 = sc->sc_srom[0x62] | (sc->sc_srom[0x63] << 8);
1245 	ei  = sc->sc_srom[0x66] | (sc->sc_srom[0x67] << 8);
1246 
1247 	strcpy(sc->sc_name, "SMC 8432");
1248 	cp = &sc->sc_name[8];
1249 
1250 	if ((id1 & 1) == 0) {
1251 		*cp++ = 'B';
1252 		auibnc = 1;
1253 	}
1254 	if ((id1 & 0xff) > 0x32) {
1255 		*cp++ = 'T';
1256 		utp = 1;
1257 	}
1258 	if ((id1 & 0x4000) == 0) {
1259 		*cp++ = 'A';
1260 		auibnc = 1;
1261 	}
1262 	if (id2 == 0x15) {
1263 		sc->sc_name[7] = '4';
1264 		*cp++ = '-';
1265 		*cp++ = 'C';
1266 		*cp++ = 'H';
1267 		*cp++ = ei ? '2' : '1';
1268 	}
1269 	*cp = '\0';
1270 
1271 	if (utp != 0 && auibnc == 0)
1272 		sc->sc_mediasw = &tlp_21040_tp_mediasw;
1273 	else if (utp == 0 && auibnc != 0)
1274 		sc->sc_mediasw = &tlp_21040_auibnc_mediasw;
1275 }
1276 
1277 static void
1278 tlp_pci_cogent_21040_quirks(struct tulip_pci_softc *psc, const uint8_t *enaddr)
1279 {
1280 
1281 	strcpy(psc->sc_tulip.sc_name, "Cogent multi-port");
1282 	psc->sc_flags |= TULIP_PCI_SHAREDINTR | TULIP_PCI_SHAREDROM;
1283 }
1284 
1285 static void
1286 tlp_pci_accton_21040_quirks(struct tulip_pci_softc *psc, const uint8_t *enaddr)
1287 {
1288 
1289 	strcpy(psc->sc_tulip.sc_name, "ACCTON EN1203");
1290 }
1291 
1292 static void	tlp_pci_asante_21140_reset(struct tulip_softc *);
1293 
1294 static void
1295 tlp_pci_asante_21140_quirks(struct tulip_pci_softc *psc, const uint8_t *enaddr)
1296 {
1297 	struct tulip_softc *sc = &psc->sc_tulip;
1298 
1299 	/*
1300 	 * Some Asante boards don't use the ISV SROM format.  For
1301 	 * those that don't, we initialize the GPIO direction bits,
1302 	 * and provide our own reset hook, which resets the MII.
1303 	 *
1304 	 * All of these boards use SIO-attached-MII media.
1305 	 */
1306 	if (sc->sc_mediasw == &tlp_2114x_isv_mediasw)
1307 		return;
1308 
1309 	strcpy(sc->sc_name, "Asante");
1310 
1311 	sc->sc_gp_dir = 0xbf;
1312 	sc->sc_reset = tlp_pci_asante_21140_reset;
1313 	sc->sc_mediasw = &tlp_sio_mii_mediasw;
1314 }
1315 
1316 static void
1317 tlp_pci_e100_quirks(struct tulip_pci_softc *psc, const uint8_t *enaddr)
1318 {
1319 	struct tulip_softc *sc = &psc->sc_tulip;
1320 
1321 	if (sc->sc_mediasw == &tlp_2114x_isv_mediasw)
1322 		return;
1323 
1324 	strcpy(sc->sc_name, "UMAX E100");
1325 
1326 	sc->sc_gp_dir = 0xbf;
1327 	sc->sc_reset = tlp_pci_asante_21140_reset;
1328 	sc->sc_mediasw = &tlp_sio_mii_mediasw;
1329 }
1330 
1331 static void
1332 tlp_pci_asante_21140_reset(struct tulip_softc *sc)
1333 {
1334 
1335 	TULIP_WRITE(sc, CSR_GPP, GPP_GPC | sc->sc_gp_dir);
1336 	TULIP_WRITE(sc, CSR_GPP, 0x8);
1337 	delay(100);
1338 	TULIP_WRITE(sc, CSR_GPP, 0);
1339 }
1340 
1341 static void	tlp_pci_phobos_21140_reset(struct tulip_softc *);
1342 
1343 static void
1344 tlp_pci_phobos_21140_quirks(struct tulip_pci_softc *psc, const uint8_t *enaddr)
1345 {
1346 	struct tulip_softc *sc = &psc->sc_tulip;
1347 
1348 	/*
1349 	 * Phobos boards just use MII-on-SIO.
1350 	 */
1351 	sc->sc_mediasw = &tlp_sio_mii_mediasw;
1352 	sc->sc_reset = tlp_pci_phobos_21140_reset;
1353 
1354 	/*
1355 	 * These boards appear solely on sgimips machines behind a special
1356 	 * GIO<->PCI ASIC and require the DBO and BLE bits to be set in CSR0.
1357 	 */
1358 	sc->sc_flags |= (TULIPF_BLE | TULIPF_DBO);
1359 }
1360 
1361 static void
1362 tlp_pci_phobos_21140_reset(struct tulip_softc *sc)
1363 {
1364 
1365 	TULIP_WRITE(sc, CSR_GPP, GPP_GPC | 0xfd);
1366 	delay(10);
1367 	TULIP_WRITE(sc, CSR_GPP, 0xfd);
1368 	delay(10);
1369 	TULIP_WRITE(sc, CSR_GPP, 0);
1370 }
1371 
1372 /*
1373  * SMC 9332DST media switch.
1374  */
1375 static void	tlp_smc9332dst_tmsw_init(struct tulip_softc *);
1376 
1377 static const struct tulip_mediasw tlp_smc9332dst_mediasw = {
1378 	tlp_smc9332dst_tmsw_init,
1379 	tlp_21140_gpio_get,
1380 	tlp_21140_gpio_set
1381 };
1382 
1383 static void
1384 tlp_pci_smc_21140_quirks(struct tulip_pci_softc *psc, const uint8_t *enaddr)
1385 {
1386 	struct tulip_softc *sc = &psc->sc_tulip;
1387 
1388 	strcpy(psc->sc_tulip.sc_name, "SMC 9332DST");
1389 	sc->sc_mediasw = &tlp_smc9332dst_mediasw;
1390 }
1391 
1392 static void
1393 tlp_smc9332dst_tmsw_init(struct tulip_softc *sc)
1394 {
1395 	struct tulip_21x4x_media *tm;
1396 	struct mii_data *mii = &sc->sc_mii;
1397 	const char *sep = "";
1398 	uint32_t reg;
1399 	int i, cnt;
1400 
1401 	sc->sc_gp_dir = GPP_SMC9332DST_PINS;
1402 	sc->sc_opmode = OPMODE_MBO | OPMODE_PS;
1403 	TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
1404 
1405 	ifmedia_init(&mii->mii_media, 0, tlp_mediachange, tlp_mediastatus);
1406 	aprint_normal_dev(sc->sc_dev, "");
1407 
1408 #define	ADD(m, c) \
1409 	tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK | M_ZERO);		\
1410 	tm->tm_opmode = (c);						\
1411 	tm->tm_gpdata = GPP_SMC9332DST_INIT;				\
1412 	ifmedia_add(&mii->mii_media, (m), 0, tm)
1413 #define	PRINT(str)	aprint_normal("%s%s", sep, str); sep = ", "
1414 
1415 	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), OPMODE_TTM);
1416 	PRINT("10baseT");
1417 
1418 	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0),
1419 	    OPMODE_TTM | OPMODE_FD);
1420 	PRINT("10baseT-FDX");
1421 
1422 	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0),
1423 	    OPMODE_PS | OPMODE_PCS | OPMODE_SCR);
1424 	PRINT("100baseTX");
1425 
1426 	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0),
1427 	    OPMODE_PS | OPMODE_PCS | OPMODE_SCR | OPMODE_FD);
1428 	PRINT("100baseTX-FDX");
1429 
1430 #undef ADD
1431 #undef PRINT
1432 
1433 	aprint_normal("\n");
1434 
1435 	tlp_reset(sc);
1436 	TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode | OPMODE_PCS | OPMODE_SCR);
1437 	TULIP_WRITE(sc, CSR_GPP, GPP_GPC | sc->sc_gp_dir);
1438 	delay(10);
1439 	TULIP_WRITE(sc, CSR_GPP, GPP_SMC9332DST_INIT);
1440 	delay(200000);
1441 	cnt = 0;
1442 	for (i = 1000; i > 0; i--) {
1443 		reg = TULIP_READ(sc, CSR_GPP);
1444 		if ((~reg & (GPP_SMC9332DST_OK10 |
1445 			     GPP_SMC9332DST_OK100)) == 0) {
1446 			if (cnt++ > 100) {
1447 				break;
1448 			}
1449 		} else if ((reg & GPP_SMC9332DST_OK10) == 0) {
1450 			break;
1451 		} else {
1452 			cnt = 0;
1453 		}
1454 		delay(1000);
1455 	}
1456 	if (cnt > 100)
1457 		ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_100_TX);
1458 	else
1459 		ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_10_T);
1460 }
1461 
1462 static void
1463 tlp_pci_vpc_21140_quirks(struct tulip_pci_softc *psc, const uint8_t *enaddr)
1464 {
1465 	struct tulip_softc *sc = &psc->sc_tulip;
1466 	char *p1 = (char *)&sc->sc_srom[32];
1467 	char *p2 = &sc->sc_name[0];
1468 
1469 	do {
1470 		if ((unsigned char) *p1 & 0x80)
1471 			*p2++ = ' ';
1472 		else
1473 			*p2++ = *p1;
1474 	} while (*p1++);
1475 }
1476 
1477 static void	tlp_pci_cobalt_21142_reset(struct tulip_softc *);
1478 
1479 static void
1480 tlp_pci_cobalt_21142_quirks(struct tulip_pci_softc *psc, const uint8_t *enaddr)
1481 {
1482 	struct tulip_softc *sc = &psc->sc_tulip;
1483 
1484 	/*
1485 	 * Cobalt Networks interfaces are just MII-on-SIO.
1486 	 */
1487 	sc->sc_reset = tlp_pci_cobalt_21142_reset;
1488 	sc->sc_mediasw = &tlp_sio_mii_mediasw;
1489 
1490 	/*
1491 	 * The Cobalt systems tend to fall back to store-and-forward
1492 	 * pretty quickly, so we select that from the beginning to
1493 	 * avoid initial timeouts.
1494 	 */
1495 	sc->sc_txthresh = TXTH_SF;
1496 }
1497 
1498 static void
1499 tlp_pci_cobalt_21142_reset(struct tulip_softc *sc)
1500 {
1501 
1502 	/*
1503 	 * Reset PHY.
1504 	 */
1505 	TULIP_WRITE(sc, CSR_SIAGEN, SIAGEN_CWE | (1 << 16));
1506 	delay(10);
1507 	TULIP_WRITE(sc, CSR_SIAGEN, SIAGEN_CWE);
1508 	delay(10);
1509 }
1510 
1511 static void
1512 tlp_pci_algor_21142_quirks(struct tulip_pci_softc *psc, const uint8_t *enaddr)
1513 {
1514 	struct tulip_softc *sc = &psc->sc_tulip;
1515 
1516 	/*
1517 	 * Algorithmics boards just have MII-on-SIO.
1518 	 *
1519 	 * XXX They also have AUI on the serial interface.
1520 	 * XXX Deal with this.
1521 	 */
1522 	sc->sc_mediasw = &tlp_sio_mii_mediasw;
1523 }
1524 
1525 /*
1526  * Cogent EM1x0 (aka. Adaptec ANA-6910) media switch.
1527  */
1528 static void	tlp_cogent_em1x0_tmsw_init(struct tulip_softc *);
1529 
1530 static const struct tulip_mediasw tlp_cogent_em1x0_mediasw = {
1531 	tlp_cogent_em1x0_tmsw_init,
1532 	tlp_21140_gpio_get,
1533 	tlp_21140_gpio_set
1534 };
1535 
1536 static void
1537 tlp_pci_adaptec_quirks(struct tulip_pci_softc *psc, const uint8_t *enaddr)
1538 {
1539 	struct tulip_softc *sc = &psc->sc_tulip;
1540 	uint8_t *srom = sc->sc_srom, id0;
1541 	uint16_t id1, id2;
1542 
1543 	if (sc->sc_mediasw == NULL) {
1544 		id0 = srom[32];
1545 		switch (id0) {
1546 		case 0x12:
1547 			strcpy(psc->sc_tulip.sc_name, "Cogent EM100TX");
1548 			sc->sc_mediasw = &tlp_cogent_em1x0_mediasw;
1549 			break;
1550 
1551 		case 0x13:
1552 			strcpy(psc->sc_tulip.sc_name, "Cogent ???");
1553 			sc->sc_mediasw = &tlp_cogent_em1x0_mediasw;
1554 			psc->sc_flags |= TULIP_PCI_SHAREDINTR |
1555 			    TULIP_PCI_SHAREDROM;
1556 			break;
1557 
1558 		case 0x15:
1559 			strcpy(psc->sc_tulip.sc_name, "Cogent EM100FX");
1560 			sc->sc_mediasw = &tlp_cogent_em1x0_mediasw;
1561 			break;
1562 
1563 #if 0
1564 		case XXX:
1565 			strcpy(psc->sc_tulip.sc_name, "Cogent EM110TX");
1566 			sc->sc_mediasw = &tlp_cogent_em1x0_mediasw;
1567 			break;
1568 #endif
1569 
1570 		default:
1571 			printf("%s: unknown Cogent board ID 0x%02x\n",
1572 			    device_xname(sc->sc_dev), id0);
1573 		}
1574 		return;
1575 	}
1576 
1577 	id1 = TULIP_ROM_GETW(srom, 0);
1578 	id2 = TULIP_ROM_GETW(srom, 2);
1579 	if (id1 != 0x1109) {
1580 		goto unknown;
1581 	}
1582 
1583 	switch (id2) {
1584 	case 0x1900:
1585 		strcpy(psc->sc_tulip.sc_name, "Adaptec ANA-6911");
1586 		break;
1587 
1588 	case 0x2400:
1589 		strcpy(psc->sc_tulip.sc_name, "Adaptec ANA-6944A");
1590 		psc->sc_flags |= TULIP_PCI_SHAREDINTR | TULIP_PCI_SHAREDROM;
1591 		break;
1592 
1593 	case 0x2b00:
1594 		strcpy(psc->sc_tulip.sc_name, "Adaptec ANA-6911A");
1595 		break;
1596 
1597 	case 0x3000:
1598 		strcpy(psc->sc_tulip.sc_name, "Adaptec ANA-6922");
1599 		psc->sc_flags |= TULIP_PCI_SHAREDINTR | TULIP_PCI_SHAREDROM;
1600 		break;
1601 
1602 	default:
1603  unknown:
1604 		printf("%s: unknown Adaptec/Cogent board ID 0x%04x/0x%04x\n",
1605 		    device_xname(sc->sc_dev), id1, id2);
1606 	}
1607 }
1608 
1609 static void
1610 tlp_cogent_em1x0_tmsw_init(struct tulip_softc *sc)
1611 {
1612 	struct tulip_21x4x_media *tm;
1613 	struct mii_data *mii = &sc->sc_mii;
1614 	const char *sep = "";
1615 
1616 	sc->sc_gp_dir = GPP_COGENT_EM1x0_PINS;
1617 	sc->sc_opmode = OPMODE_MBO | OPMODE_PS;
1618 	TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
1619 
1620 	ifmedia_init(&mii->mii_media, 0, tlp_mediachange, tlp_mediastatus);
1621 	aprint_normal_dev(sc->sc_dev, "");
1622 
1623 #define	ADD(m, c) \
1624 	tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK | M_ZERO);		\
1625 	tm->tm_opmode = (c);						\
1626 	tm->tm_gpdata = GPP_COGENT_EM1x0_INIT;				\
1627 	ifmedia_add(&mii->mii_media, (m), 0, tm)
1628 #define	PRINT(str)	aprint_normal("%s%s", sep, str); sep = ", "
1629 
1630 	if (sc->sc_srom[32] == 0x15) {
1631 		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, 0, 0),
1632 		    OPMODE_PS | OPMODE_PCS);
1633 		PRINT("100baseFX");
1634 
1635 		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, IFM_FDX, 0),
1636 		    OPMODE_PS | OPMODE_PCS | OPMODE_FD);
1637 		PRINT("100baseFX-FDX");
1638 		aprint_normal("\n");
1639 
1640 		ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_100_FX);
1641 	} else {
1642 		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0),
1643 		    OPMODE_PS | OPMODE_PCS | OPMODE_SCR);
1644 		PRINT("100baseTX");
1645 
1646 		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, IFM_FDX, 0),
1647 		    OPMODE_PS | OPMODE_PCS | OPMODE_SCR | OPMODE_FD);
1648 		PRINT("100baseTX-FDX");
1649 		aprint_normal("\n");
1650 
1651 		ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_100_TX);
1652 	}
1653 
1654 #undef ADD
1655 #undef PRINT
1656 }
1657 
1658 static void	tlp_pci_netwinder_21142_reset(struct tulip_softc *);
1659 
1660 static void
1661 tlp_pci_netwinder_21142_quirks(struct tulip_pci_softc *psc,
1662     const uint8_t *enaddr)
1663 {
1664 	struct tulip_softc *sc = &psc->sc_tulip;
1665 
1666 	/*
1667 	 * Netwinders just use MII-on-SIO.
1668 	 */
1669 	sc->sc_mediasw = &tlp_sio_mii_mediasw;
1670 	sc->sc_reset = tlp_pci_netwinder_21142_reset;
1671 }
1672 
1673 void
1674 tlp_pci_netwinder_21142_reset(struct tulip_softc *sc)
1675 {
1676 
1677 	/*
1678 	 * Reset the PHY.
1679 	 */
1680 	TULIP_WRITE(sc, CSR_SIAGEN, 0x0821 << 16);
1681 	delay(10);
1682 	TULIP_WRITE(sc, CSR_SIAGEN, 0x0000 << 16);
1683 	delay(10);
1684 	TULIP_WRITE(sc, CSR_SIAGEN, 0x0001 << 16);
1685 	delay(10);
1686 }
1687 
1688 static void	tlp_pci_phobos_21142_reset(struct tulip_softc *);
1689 
1690 static void
1691 tlp_pci_phobos_21142_quirks(struct tulip_pci_softc *psc, const uint8_t *enaddr)
1692 {
1693 	struct tulip_softc *sc = &psc->sc_tulip;
1694 
1695 	/*
1696 	 * Phobos boards just use MII-on-SIO.
1697 	 */
1698 	sc->sc_mediasw = &tlp_sio_mii_mediasw;
1699 	sc->sc_reset = tlp_pci_phobos_21142_reset;
1700 
1701 	/*
1702 	 * These boards appear solely on sgimips machines behind a special
1703 	 * GIO<->PCI ASIC and require the DBO and BLE bits to be set in CSR0.
1704 	 */
1705 	sc->sc_flags |= (TULIPF_BLE | TULIPF_DBO);
1706 }
1707 
1708 static void
1709 tlp_pci_phobos_21142_reset(struct tulip_softc *sc)
1710 {
1711 	/*
1712 	 * Reset PHY.
1713 	 */
1714 	TULIP_WRITE(sc, CSR_SIAGEN, (0x880f << 16));
1715 	delay(10);
1716 	TULIP_WRITE(sc, CSR_SIAGEN, (0x800f << 16));
1717 	delay(10);
1718 }
1719