xref: /netbsd/sys/dev/cardbus/if_tlp_cardbus.c (revision 6550d01e) 
1 /*	$NetBSD: if_tlp_cardbus.c,v 1.67 2010/03/10 00:21:10 dyoung Exp $	*/
2 
3 /*-
4  * Copyright (c) 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  *
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  * CardBus 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_cardbus.c,v 1.67 2010/03/10 00:21:10 dyoung Exp $");
40 
41 #include "opt_inet.h"
42 
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/mbuf.h>
46 #include <sys/malloc.h>
47 #include <sys/kernel.h>
48 #include <sys/socket.h>
49 #include <sys/ioctl.h>
50 #include <sys/errno.h>
51 #include <sys/device.h>
52 
53 #include <machine/endian.h>
54 
55 #include <net/if.h>
56 #include <net/if_dl.h>
57 #include <net/if_media.h>
58 #include <net/if_ether.h>
59 
60 #ifdef INET
61 #include <netinet/in.h>
62 #include <netinet/if_inarp.h>
63 #endif
64 
65 
66 #include <sys/bus.h>
67 #include <sys/intr.h>
68 
69 #include <dev/mii/miivar.h>
70 #include <dev/mii/mii_bitbang.h>
71 
72 #include <dev/ic/tulipreg.h>
73 #include <dev/ic/tulipvar.h>
74 
75 #include <dev/pci/pcivar.h>
76 #include <dev/pci/pcireg.h>
77 #include <dev/pci/pcidevs.h>
78 
79 #include <dev/cardbus/cardbusvar.h>
80 #include <dev/pci/pcidevs.h>
81 
82 /*
83  * PCI configuration space registers used by the Tulip.
84  */
85 #define	TULIP_PCI_IOBA		0x10	/* i/o mapped base */
86 #define	TULIP_PCI_MMBA		0x14	/* memory mapped base */
87 #define	TULIP_PCI_CFDA		0x40	/* configuration driver area */
88 
89 #define	CFDA_SLEEP		0x80000000	/* sleep mode */
90 #define	CFDA_SNOOZE		0x40000000	/* snooze mode */
91 
92 struct tulip_cardbus_softc {
93 	struct tulip_softc sc_tulip;	/* real Tulip softc */
94 
95 	/* CardBus-specific goo. */
96 	void	*sc_ih;			/* interrupt handle */
97 	cardbus_devfunc_t sc_ct;	/* our CardBus devfuncs */
98 	pcitag_t sc_tag;		/* our CardBus tag */
99 	pcireg_t sc_csr;
100 	bus_size_t sc_mapsize;		/* the size of mapped bus space
101 					   region */
102 
103 	int	sc_bar_reg;		/* which BAR to use */
104 	pcireg_t sc_bar_val;		/* value of the BAR */
105 
106 	cardbus_intr_line_t sc_intrline; /* interrupt line */
107 };
108 
109 int	tlp_cardbus_match(device_t, cfdata_t, void *);
110 void	tlp_cardbus_attach(device_t, device_t, void *);
111 int	tlp_cardbus_detach(device_t, int);
112 
113 CFATTACH_DECL_NEW(tlp_cardbus, sizeof(struct tulip_cardbus_softc),
114     tlp_cardbus_match, tlp_cardbus_attach, tlp_cardbus_detach, tlp_activate);
115 
116 const struct tulip_cardbus_product {
117 	u_int32_t	tcp_vendor;	/* PCI vendor ID */
118 	u_int32_t	tcp_product;	/* PCI product ID */
119 	tulip_chip_t	tcp_chip;	/* base Tulip chip type */
120 } tlp_cardbus_products[] = {
121 	{ PCI_VENDOR_DEC,	PCI_PRODUCT_DEC_21142,
122 	  TULIP_CHIP_21142 },
123 
124 	{ PCI_VENDOR_XIRCOM,	PCI_PRODUCT_XIRCOM_X3201_3_21143,
125 	  TULIP_CHIP_X3201_3 },
126 
127 	{ PCI_VENDOR_ADMTEK,	PCI_PRODUCT_ADMTEK_AN983,
128 	  TULIP_CHIP_AN985 },
129 
130 	{ PCI_VENDOR_ACCTON,	PCI_PRODUCT_ACCTON_EN2242,
131 	  TULIP_CHIP_AN985 },
132 
133 	{ PCI_VENDOR_ABOCOM,	PCI_PRODUCT_ABOCOM_FE2500,
134 	  TULIP_CHIP_AN985 },
135 
136 	{ PCI_VENDOR_ABOCOM,	PCI_PRODUCT_ABOCOM_PCM200,
137 	  TULIP_CHIP_AN985 },
138 
139 	{ PCI_VENDOR_ABOCOM,	PCI_PRODUCT_ABOCOM_FE2500MX,
140 	  TULIP_CHIP_AN985 },
141 
142 	{ PCI_VENDOR_HAWKING,	PCI_PRODUCT_HAWKING_PN672TX,
143 	  TULIP_CHIP_AN985 },
144 
145 	{ PCI_VENDOR_ADMTEK,	PCI_PRODUCT_ADMTEK_AN985,
146 	  TULIP_CHIP_AN985 },
147 
148 	{ PCI_VENDOR_MICROSOFT,	PCI_PRODUCT_MICROSOFT_MN120,
149 	  TULIP_CHIP_AN985 },
150 
151 	{ PCI_VENDOR_LINKSYS, PCI_PRODUCT_LINKSYS_PCMPC200,
152 	  TULIP_CHIP_AN985 },
153 
154 	{ 0,				0,
155 	  TULIP_CHIP_INVALID },
156 };
157 
158 struct tlp_cardbus_quirks {
159 	void		(*tpq_func)(struct tulip_cardbus_softc *,
160 			    const u_int8_t *);
161 	u_int8_t	tpq_oui[3];
162 };
163 
164 void	tlp_cardbus_lxt_quirks(struct tulip_cardbus_softc *,
165 	    const u_int8_t *);
166 
167 const struct tlp_cardbus_quirks tlp_cardbus_21142_quirks[] = {
168 	{ tlp_cardbus_lxt_quirks,	{ 0x00, 0x40, 0x05 } },
169 	{ NULL,				{ 0, 0, 0 } }
170 };
171 
172 void	tlp_cardbus_setup(struct tulip_cardbus_softc *);
173 
174 int	tlp_cardbus_enable(struct tulip_softc *);
175 void	tlp_cardbus_disable(struct tulip_softc *);
176 void	tlp_cardbus_power(struct tulip_softc *, int);
177 
178 void	tlp_cardbus_x3201_reset(struct tulip_softc *);
179 
180 const struct tulip_cardbus_product *tlp_cardbus_lookup
181    (const struct cardbus_attach_args *);
182 void tlp_cardbus_get_quirks(struct tulip_cardbus_softc *,
183     const u_int8_t *, const struct tlp_cardbus_quirks *);
184 
185 const struct tulip_cardbus_product *
186 tlp_cardbus_lookup(const struct cardbus_attach_args *ca)
187 {
188 	const struct tulip_cardbus_product *tcp;
189 
190 	for (tcp = tlp_cardbus_products;
191 	     tlp_chip_names[tcp->tcp_chip] != NULL;
192 	     tcp++) {
193 		if (PCI_VENDOR(ca->ca_id) == tcp->tcp_vendor &&
194 		    PCI_PRODUCT(ca->ca_id) == tcp->tcp_product)
195 			return (tcp);
196 	}
197 	return (NULL);
198 }
199 
200 void
201 tlp_cardbus_get_quirks(struct tulip_cardbus_softc *csc, const u_int8_t *enaddr, const struct tlp_cardbus_quirks *tpq)
202 {
203 
204 	for (; tpq->tpq_func != NULL; tpq++) {
205 		if (tpq->tpq_oui[0] == enaddr[0] &&
206 		    tpq->tpq_oui[1] == enaddr[1] &&
207 		    tpq->tpq_oui[2] == enaddr[2]) {
208 			(*tpq->tpq_func)(csc, enaddr);
209 			return;
210 		}
211 	}
212 }
213 
214 int
215 tlp_cardbus_match(device_t parent, cfdata_t match,
216     void *aux)
217 {
218 	struct cardbus_attach_args *ca = aux;
219 
220 	if (tlp_cardbus_lookup(ca) != NULL)
221 		return (1);
222 
223 	return (0);
224 }
225 
226 void
227 tlp_cardbus_attach(device_t parent, device_t self,
228     void *aux)
229 {
230 	struct tulip_cardbus_softc *csc = device_private(self);
231 	struct tulip_softc *sc = &csc->sc_tulip;
232 	struct cardbus_attach_args *ca = aux;
233 	cardbus_devfunc_t ct = ca->ca_ct;
234 	const struct tulip_cardbus_product *tcp;
235 	u_int8_t enaddr[ETHER_ADDR_LEN];
236 	bus_addr_t adr;
237 	pcireg_t reg;
238 
239 	sc->sc_dev = self;
240 	sc->sc_devno = 0;
241 	sc->sc_dmat = ca->ca_dmat;
242 	csc->sc_ct = ct;
243 	csc->sc_tag = ca->ca_tag;
244 
245 	tcp = tlp_cardbus_lookup(ca);
246 	if (tcp == NULL) {
247 		printf("\n");
248 		panic("tlp_cardbus_attach: impossible");
249 	}
250 	sc->sc_chip = tcp->tcp_chip;
251 
252 	/*
253 	 * By default, Tulip registers are 8 bytes long (4 bytes
254 	 * followed by a 4 byte pad).
255 	 */
256 	sc->sc_regshift = 3;
257 
258 	/*
259 	 * Power management hooks.
260 	 */
261 	sc->sc_enable = tlp_cardbus_enable;
262 	sc->sc_disable = tlp_cardbus_disable;
263 	sc->sc_power = tlp_cardbus_power;
264 
265 	/*
266 	 * Get revision info, and set some chip-specific variables.
267 	 */
268 	sc->sc_rev = PCI_REVISION(ca->ca_class);
269 	switch (sc->sc_chip) {
270 	case TULIP_CHIP_21142:
271 		if (sc->sc_rev >= 0x20)
272 			sc->sc_chip = TULIP_CHIP_21143;
273 		break;
274 
275 	case TULIP_CHIP_AN985:
276 		/*
277 		 * The AN983 and AN985 are very similar, and are
278 		 * differentiated by a "signature" register that
279 		 * is like, but not identical, to a PCI ID register.
280 		 */
281 		reg = Cardbus_conf_read(ct, csc->sc_tag, 0x80);
282 		switch (reg) {
283 		case 0x09811317:
284 			sc->sc_chip = TULIP_CHIP_AN985;
285 			break;
286 
287 		case 0x09851317:
288 			sc->sc_chip = TULIP_CHIP_AN983;
289 			break;
290 
291 		}
292 		break;
293 
294 	default:
295 		/* Nothing. -- to make gcc happy */
296 		break;
297 	}
298 
299 	printf(": %s Ethernet, pass %d.%d\n",
300 	    tlp_chip_names[sc->sc_chip],
301 	    (sc->sc_rev >> 4) & 0xf, sc->sc_rev & 0xf);
302 
303 	/*
304 	 * Map the device.
305 	 */
306 	csc->sc_csr = PCI_COMMAND_MASTER_ENABLE;
307 	if (Cardbus_mapreg_map(ct, TULIP_PCI_MMBA,
308 	    PCI_MAPREG_TYPE_MEM, 0, &sc->sc_st, &sc->sc_sh, &adr,
309 	    &csc->sc_mapsize) == 0) {
310 		csc->sc_csr |= PCI_COMMAND_MEM_ENABLE;
311 		csc->sc_bar_reg = TULIP_PCI_MMBA;
312 		csc->sc_bar_val = adr | PCI_MAPREG_TYPE_MEM;
313 	} else if (Cardbus_mapreg_map(ct, TULIP_PCI_IOBA,
314 	    PCI_MAPREG_TYPE_IO, 0, &sc->sc_st, &sc->sc_sh, &adr,
315 	    &csc->sc_mapsize) == 0) {
316 		csc->sc_csr |= PCI_COMMAND_IO_ENABLE;
317 		csc->sc_bar_reg = TULIP_PCI_IOBA;
318 		csc->sc_bar_val = adr | PCI_MAPREG_TYPE_IO;
319 	} else {
320 		aprint_error_dev(self, "unable to map device registers\n");
321 		return;
322 	}
323 
324 	/*
325 	 * Bring the chip out of powersave mode and initialize the
326 	 * configuration registers.
327 	 */
328 	tlp_cardbus_setup(csc);
329 
330 	/*
331 	 * Read the contents of the Ethernet Address ROM/SROM.
332 	 */
333 	switch (sc->sc_chip) {
334 	case TULIP_CHIP_X3201_3:
335 		/*
336 		 * No SROM on this chip.
337 		 */
338 		break;
339 
340 	default:
341 		if (tlp_read_srom(sc) == 0)
342 			goto cant_cope;
343 		break;
344 	}
345 
346 	/*
347 	 * Deal with chip/board quirks.  This includes setting up
348 	 * the mediasw, and extracting the Ethernet address from
349 	 * the rombuf.
350 	 */
351 	switch (sc->sc_chip) {
352 	case TULIP_CHIP_21142:
353 	case TULIP_CHIP_21143:
354 		/* Check for new format SROM. */
355 		if (tlp_isv_srom_enaddr(sc, enaddr) != 0) {
356 			/*
357 			 * We start out with the 2114x ISV media switch.
358 			 * When we search for quirks, we may change to
359 			 * a different switch.
360 			 */
361 			sc->sc_mediasw = &tlp_2114x_isv_mediasw;
362 		} else if (tlp_parse_old_srom(sc, enaddr) == 0) {
363 			/*
364 			 * Not an ISV SROM, and not in old DEC Address
365 			 * ROM format.  Try to snarf it out of the CIS.
366 			 */
367 			if (ca->ca_cis.funce.network.netid_present == 0)
368 				goto cant_cope;
369 
370 			/* Grab the MAC address from the CIS. */
371 			memcpy(enaddr, ca->ca_cis.funce.network.netid,
372 			    sizeof(enaddr));
373 		}
374 
375 		/*
376 		 * Deal with any quirks this board might have.
377 		 */
378 		tlp_cardbus_get_quirks(csc, enaddr, tlp_cardbus_21142_quirks);
379 
380 		/*
381 		 * If we don't already have a media switch, default to
382 		 * MII-over-SIO, with no special reset routine.
383 		 */
384 		if (sc->sc_mediasw == NULL) {
385 			printf("%s: defaulting to MII-over-SIO; no bets...\n",
386 			    device_xname(self));
387 			sc->sc_mediasw = &tlp_sio_mii_mediasw;
388 		}
389 		break;
390 
391 	case TULIP_CHIP_AN983:
392 	case TULIP_CHIP_AN985:
393 		/*
394 		 * The ADMtek AN985's Ethernet address is located
395 		 * at offset 8 of its EEPROM.
396 		 */
397 		memcpy(enaddr, &sc->sc_srom[8], ETHER_ADDR_LEN);
398 
399 		/*
400 		 * The ADMtek AN985 can be configured in Single-Chip
401 		 * mode or MAC-only mode.  Single-Chip uses the built-in
402 		 * PHY, MAC-only has an external PHY (usually HomePNA).
403 		 * The selection is based on an EEPROM setting, and both
404 		 * PHYs are access via MII attached to SIO.
405 		 *
406 		 * The AN985 "ghosts" the internal PHY onto all
407 		 * MII addresses, so we have to use a media init
408 		 * routine that limits the search.
409 		 * XXX How does this work with MAC-only mode?
410 		 */
411 		sc->sc_mediasw = &tlp_an985_mediasw;
412 		break;
413 
414 	case TULIP_CHIP_X3201_3:
415 		/*
416 		 * The X3201 doesn't have an SROM.  Lift the MAC address
417 		 * from the CIS.  Also, we have a special media switch:
418 		 * MII-on-SIO, plus some special GPIO setup.
419 		 */
420 		memcpy(enaddr, ca->ca_cis.funce.network.netid, sizeof(enaddr));
421 		sc->sc_reset = tlp_cardbus_x3201_reset;
422 		sc->sc_mediasw = &tlp_sio_mii_mediasw;
423 		break;
424 
425 	default:
426  cant_cope:
427 		printf("%s: sorry, unable to handle your board\n",
428 		    device_xname(self));
429 		return;
430 	}
431 
432 	/* Remember which interrupt line. */
433 	csc->sc_intrline = ca->ca_intrline;
434 
435 	/*
436 	 * Finish off the attach.
437 	 */
438 	tlp_attach(sc, enaddr);
439 
440 	/*
441 	 * Power down the socket.
442 	 */
443 	Cardbus_function_disable(csc->sc_ct);
444 }
445 
446 int
447 tlp_cardbus_detach(device_t self, int flags)
448 {
449 	struct tulip_cardbus_softc *csc = device_private(self);
450 	struct tulip_softc *sc = &csc->sc_tulip;
451 	struct cardbus_devfunc *ct = csc->sc_ct;
452 	int rv;
453 
454 #if defined(DIAGNOSTIC)
455 	if (ct == NULL)
456 		panic("%s: data structure lacks", device_xname(self));
457 #endif
458 
459 	rv = tlp_detach(sc);
460 	if (rv)
461 		return (rv);
462 
463 	/*
464 	 * Unhook the interrupt handler.
465 	 */
466 	if (csc->sc_ih != NULL)
467 		Cardbus_intr_disestablish(ct, csc->sc_ih);
468 
469 	/*
470 	 * Release bus space and close window.
471 	 */
472 	if (csc->sc_bar_reg != 0)
473 		Cardbus_mapreg_unmap(ct, csc->sc_bar_reg,
474 		    sc->sc_st, sc->sc_sh, csc->sc_mapsize);
475 
476 	return (0);
477 }
478 
479 int
480 tlp_cardbus_enable(struct tulip_softc *sc)
481 {
482 	struct tulip_cardbus_softc *csc = (void *) sc;
483 	cardbus_devfunc_t ct = csc->sc_ct;
484 
485 	/*
486 	 * Power on the socket.
487 	 */
488 	Cardbus_function_enable(ct);
489 
490 	/*
491 	 * Set up the PCI configuration registers.
492 	 */
493 	tlp_cardbus_setup(csc);
494 
495 	/*
496 	 * Map and establish the interrupt.
497 	 */
498 	csc->sc_ih = Cardbus_intr_establish(ct, csc->sc_intrline, IPL_NET,
499 	    tlp_intr, sc);
500 	if (csc->sc_ih == NULL) {
501 		aprint_error_dev(sc->sc_dev,
502 				 "unable to establish interrupt\n");
503 		Cardbus_function_disable(csc->sc_ct);
504 		return (1);
505 	}
506 	return (0);
507 }
508 
509 void
510 tlp_cardbus_disable(struct tulip_softc *sc)
511 {
512 	struct tulip_cardbus_softc *csc = (void *) sc;
513 	cardbus_devfunc_t ct = csc->sc_ct;
514 
515 	/* Unhook the interrupt handler. */
516 	Cardbus_intr_disestablish(ct, csc->sc_ih);
517 	csc->sc_ih = NULL;
518 
519 	/* Power down the socket. */
520 	Cardbus_function_disable(ct);
521 }
522 
523 void
524 tlp_cardbus_power(struct tulip_softc *sc, int why)
525 {
526 
527 	switch (why) {
528 	case PWR_RESUME:
529 		tlp_cardbus_enable(sc);
530 		break;
531 	case PWR_SUSPEND:
532 		tlp_cardbus_disable(sc);
533 		break;
534 	}
535 }
536 
537 void
538 tlp_cardbus_setup(struct tulip_cardbus_softc *csc)
539 {
540 	struct tulip_softc *sc = &csc->sc_tulip;
541 	cardbus_devfunc_t ct = csc->sc_ct;
542 	pcireg_t reg;
543 
544 	/*
545 	 * Check to see if the device is in power-save mode, and
546 	 * bring it out if necessary.
547 	 */
548 	switch (sc->sc_chip) {
549 	case TULIP_CHIP_21142:
550 	case TULIP_CHIP_21143:
551 	case TULIP_CHIP_X3201_3:
552 		/*
553 		 * Clear the "sleep mode" bit in the CFDA register.
554 		 */
555 		reg = Cardbus_conf_read(ct, csc->sc_tag, TULIP_PCI_CFDA);
556 		if (reg & (CFDA_SLEEP|CFDA_SNOOZE))
557 			Cardbus_conf_write(ct, csc->sc_tag, TULIP_PCI_CFDA,
558 			    reg & ~(CFDA_SLEEP|CFDA_SNOOZE));
559 		break;
560 
561 	default:
562 		/* Nothing. -- to make gcc happy */
563 		break;
564 	}
565 
566 	(void)cardbus_set_powerstate(ct, csc->sc_tag, PCI_PWR_D0);
567 
568 	/* Program the BAR. */
569 	Cardbus_conf_write(ct, csc->sc_tag, csc->sc_bar_reg, csc->sc_bar_val);
570 
571 	/* Enable the appropriate bits in the PCI CSR. */
572 	reg = Cardbus_conf_read(ct, csc->sc_tag, PCI_COMMAND_STATUS_REG);
573 	reg &= ~(PCI_COMMAND_IO_ENABLE|PCI_COMMAND_MEM_ENABLE);
574 	reg |= csc->sc_csr;
575 	Cardbus_conf_write(ct, csc->sc_tag, PCI_COMMAND_STATUS_REG, reg);
576 
577 	/*
578 	 * Make sure the latency timer is set to some reasonable
579 	 * value.
580 	 */
581 	reg = Cardbus_conf_read(ct, csc->sc_tag, PCI_BHLC_REG);
582 	if (PCI_LATTIMER(reg) < 0x20) {
583 		reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
584 		reg |= (0x20 << PCI_LATTIMER_SHIFT);
585 		Cardbus_conf_write(ct, csc->sc_tag, PCI_BHLC_REG, reg);
586 	}
587 }
588 
589 void
590 tlp_cardbus_x3201_reset(struct tulip_softc *sc)
591 {
592 	u_int32_t reg;
593 
594 	reg = TULIP_READ(sc, CSR_SIAGEN);
595 
596 	/* make GP[2,0] outputs */
597 	TULIP_WRITE(sc, CSR_SIAGEN, (reg & ~SIAGEN_MD) | SIAGEN_CWE |
598 	    0x00050000);
599 	TULIP_WRITE(sc, CSR_SIAGEN, (reg & ~SIAGEN_CWE) | SIAGEN_MD);
600 }
601 
602 void
603 tlp_cardbus_lxt_quirks(struct tulip_cardbus_softc *csc,
604     const u_int8_t *enaddr)
605 {
606 	struct tulip_softc *sc = &csc->sc_tulip;
607 
608 	sc->sc_mediasw = &tlp_sio_mii_mediasw;
609 }
610