tlphy.c revision 1.21 1 1.21 thorpej /* $NetBSD: tlphy.c,v 1.21 2000/01/27 16:44:30 thorpej Exp $ */
2 1.7 thorpej
3 1.7 thorpej /*-
4 1.17 thorpej * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
5 1.7 thorpej * All rights reserved.
6 1.7 thorpej *
7 1.7 thorpej * This code is derived from software contributed to The NetBSD Foundation
8 1.7 thorpej * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 1.7 thorpej * NASA Ames Research Center.
10 1.7 thorpej *
11 1.7 thorpej * Redistribution and use in source and binary forms, with or without
12 1.7 thorpej * modification, are permitted provided that the following conditions
13 1.7 thorpej * are met:
14 1.7 thorpej * 1. Redistributions of source code must retain the above copyright
15 1.7 thorpej * notice, this list of conditions and the following disclaimer.
16 1.7 thorpej * 2. Redistributions in binary form must reproduce the above copyright
17 1.7 thorpej * notice, this list of conditions and the following disclaimer in the
18 1.7 thorpej * documentation and/or other materials provided with the distribution.
19 1.7 thorpej * 3. All advertising materials mentioning features or use of this software
20 1.7 thorpej * must display the following acknowledgement:
21 1.7 thorpej * This product includes software developed by the NetBSD
22 1.7 thorpej * Foundation, Inc. and its contributors.
23 1.7 thorpej * 4. Neither the name of The NetBSD Foundation nor the names of its
24 1.7 thorpej * contributors may be used to endorse or promote products derived
25 1.7 thorpej * from this software without specific prior written permission.
26 1.7 thorpej *
27 1.7 thorpej * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 1.7 thorpej * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 1.7 thorpej * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 1.7 thorpej * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 1.7 thorpej * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 1.7 thorpej * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 1.7 thorpej * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 1.7 thorpej * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 1.7 thorpej * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 1.7 thorpej * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 1.7 thorpej * POSSIBILITY OF SUCH DAMAGE.
38 1.7 thorpej */
39 1.7 thorpej
40 1.1 bouyer /*
41 1.1 bouyer * Copyright (c) 1997 Manuel Bouyer. All rights reserved.
42 1.1 bouyer *
43 1.1 bouyer * Redistribution and use in source and binary forms, with or without
44 1.1 bouyer * modification, are permitted provided that the following conditions
45 1.1 bouyer * are met:
46 1.1 bouyer * 1. Redistributions of source code must retain the above copyright
47 1.1 bouyer * notice, this list of conditions and the following disclaimer.
48 1.1 bouyer * 2. Redistributions in binary form must reproduce the above copyright
49 1.1 bouyer * notice, this list of conditions and the following disclaimer in the
50 1.1 bouyer * documentation and/or other materials provided with the distribution.
51 1.1 bouyer * 3. All advertising materials mentioning features or use of this software
52 1.1 bouyer * must display the following acknowledgement:
53 1.4 thorpej * This product includes software developed by Manuel Bouyer.
54 1.1 bouyer * 4. The name of the author may not be used to endorse or promote products
55 1.1 bouyer * derived from this software without specific prior written permission.
56 1.1 bouyer *
57 1.1 bouyer * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
58 1.1 bouyer * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
59 1.1 bouyer * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
60 1.1 bouyer * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
61 1.1 bouyer * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
62 1.1 bouyer * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
63 1.1 bouyer * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
64 1.1 bouyer * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
65 1.1 bouyer * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
66 1.1 bouyer * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
67 1.1 bouyer */
68 1.1 bouyer
69 1.7 thorpej /*
70 1.7 thorpej * Driver for Texas Instruments's ThunderLAN PHYs
71 1.7 thorpej */
72 1.1 bouyer
73 1.1 bouyer #include <sys/param.h>
74 1.1 bouyer #include <sys/systm.h>
75 1.1 bouyer #include <sys/kernel.h>
76 1.1 bouyer #include <sys/device.h>
77 1.1 bouyer #include <sys/socket.h>
78 1.17 thorpej #include <sys/errno.h>
79 1.7 thorpej
80 1.7 thorpej #include <machine/bus.h>
81 1.7 thorpej
82 1.1 bouyer #include <net/if.h>
83 1.1 bouyer #include <net/if_media.h>
84 1.1 bouyer
85 1.7 thorpej #include <net/if_ether.h>
86 1.1 bouyer
87 1.7 thorpej #include <dev/mii/mii.h>
88 1.7 thorpej #include <dev/mii/miivar.h>
89 1.7 thorpej #include <dev/mii/miidevs.h>
90 1.7 thorpej
91 1.7 thorpej #include <dev/i2c/i2c_bus.h>
92 1.7 thorpej
93 1.7 thorpej #include <dev/mii/tlphyreg.h>
94 1.7 thorpej #include <dev/mii/tlphyvar.h>
95 1.7 thorpej
96 1.7 thorpej /* ThunderLAN PHY can only be on a ThunderLAN */
97 1.7 thorpej #include <dev/pci/if_tlvar.h>
98 1.7 thorpej
99 1.7 thorpej struct tlphy_softc {
100 1.7 thorpej struct mii_softc sc_mii; /* generic PHY */
101 1.7 thorpej int sc_tlphycap;
102 1.17 thorpej int sc_need_acomp;
103 1.7 thorpej };
104 1.1 bouyer
105 1.4 thorpej int tlphymatch __P((struct device *, struct cfdata *, void *));
106 1.4 thorpej void tlphyattach __P((struct device *, struct device *, void *));
107 1.1 bouyer
108 1.1 bouyer struct cfattach tlphy_ca = {
109 1.21 thorpej sizeof(struct tlphy_softc), tlphymatch, tlphyattach, mii_detach,
110 1.21 thorpej mii_activate
111 1.1 bouyer };
112 1.1 bouyer
113 1.7 thorpej int tlphy_service __P((struct mii_softc *, struct mii_data *, int));
114 1.17 thorpej int tlphy_auto __P((struct tlphy_softc *, int));
115 1.17 thorpej void tlphy_acomp __P((struct tlphy_softc *));
116 1.7 thorpej void tlphy_status __P((struct tlphy_softc *));
117 1.7 thorpej
118 1.1 bouyer int
119 1.1 bouyer tlphymatch(parent, match, aux)
120 1.4 thorpej struct device *parent;
121 1.1 bouyer struct cfdata *match;
122 1.1 bouyer void *aux;
123 1.1 bouyer {
124 1.7 thorpej struct mii_attach_args *ma = aux;
125 1.1 bouyer
126 1.18 drochner if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxTI &&
127 1.18 drochner MII_MODEL(ma->mii_id2) == MII_MODEL_xxTI_TLAN10T)
128 1.15 thorpej return (10);
129 1.7 thorpej
130 1.4 thorpej return (0);
131 1.1 bouyer }
132 1.1 bouyer
133 1.1 bouyer void
134 1.1 bouyer tlphyattach(parent, self, aux)
135 1.4 thorpej struct device *parent, *self;
136 1.1 bouyer void *aux;
137 1.1 bouyer {
138 1.7 thorpej struct tlphy_softc *sc = (struct tlphy_softc *)self;
139 1.7 thorpej struct tl_softc *tlsc = (struct tl_softc *)self->dv_parent;
140 1.7 thorpej struct mii_attach_args *ma = aux;
141 1.7 thorpej struct mii_data *mii = ma->mii_data;
142 1.7 thorpej const char *sep = "";
143 1.7 thorpej
144 1.18 drochner printf(": %s, rev. %d\n", MII_STR_xxTI_TLAN10T,
145 1.7 thorpej MII_REV(ma->mii_id2));
146 1.7 thorpej
147 1.7 thorpej sc->sc_mii.mii_inst = mii->mii_instance;
148 1.7 thorpej sc->sc_mii.mii_phy = ma->mii_phyno;
149 1.7 thorpej sc->sc_mii.mii_service = tlphy_service;
150 1.7 thorpej sc->sc_mii.mii_pdata = mii;
151 1.7 thorpej
152 1.14 thorpej mii_phy_reset(&sc->sc_mii);
153 1.7 thorpej
154 1.7 thorpej /*
155 1.7 thorpej * Note that if we're on a device that also supports 100baseTX,
156 1.7 thorpej * we are not going to want to use the built-in 10baseT port,
157 1.7 thorpej * since there will be another PHY on the MII wired up to the
158 1.7 thorpej * UTP connector. The parent indicates this to us by specifying
159 1.7 thorpej * the TLPHY_MEDIA_NO_10_T bit.
160 1.7 thorpej */
161 1.7 thorpej sc->sc_tlphycap = tlsc->tl_product->tp_tlphymedia;
162 1.7 thorpej if ((sc->sc_tlphycap & TLPHY_MEDIA_NO_10_T) == 0)
163 1.13 thorpej sc->sc_mii.mii_capabilities =
164 1.12 thorpej PHY_READ(&sc->sc_mii, MII_BMSR) & ma->mii_capmask;
165 1.7 thorpej else
166 1.13 thorpej sc->sc_mii.mii_capabilities = 0;
167 1.7 thorpej
168 1.19 thorpej
169 1.7 thorpej #define ADD(m, c) ifmedia_add(&mii->mii_media, (m), (c), NULL)
170 1.7 thorpej #define PRINT(s) printf("%s%s", sep, s); sep = ", "
171 1.7 thorpej
172 1.7 thorpej printf("%s: ", sc->sc_mii.mii_dev.dv_xname);
173 1.7 thorpej if (sc->sc_tlphycap) {
174 1.10 bouyer if (sc->sc_tlphycap & TLPHY_MEDIA_10_2) {
175 1.7 thorpej ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_2, 0,
176 1.7 thorpej sc->sc_mii.mii_inst), 0);
177 1.19 thorpej PRINT("10base2");
178 1.10 bouyer } else if (sc->sc_tlphycap & TLPHY_MEDIA_10_5) {
179 1.7 thorpej ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_5, 0,
180 1.7 thorpej sc->sc_mii.mii_inst), 0);
181 1.19 thorpej PRINT("10base5");
182 1.7 thorpej }
183 1.7 thorpej }
184 1.13 thorpej if (sc->sc_mii.mii_capabilities & BMSR_MEDIAMASK) {
185 1.7 thorpej printf(sep);
186 1.19 thorpej mii_add_media(&sc->sc_mii);
187 1.19 thorpej } else if ((sc->sc_tlphycap &
188 1.19 thorpej (TLPHY_MEDIA_10_2 | TLPHY_MEDIA_10_5)) == 0)
189 1.7 thorpej printf("no media present");
190 1.7 thorpej printf("\n");
191 1.7 thorpej #undef ADD
192 1.7 thorpej #undef PRINT
193 1.7 thorpej }
194 1.7 thorpej
195 1.7 thorpej int
196 1.7 thorpej tlphy_service(self, mii, cmd)
197 1.7 thorpej struct mii_softc *self;
198 1.7 thorpej struct mii_data *mii;
199 1.7 thorpej int cmd;
200 1.7 thorpej {
201 1.7 thorpej struct tlphy_softc *sc = (struct tlphy_softc *)self;
202 1.11 thorpej struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
203 1.7 thorpej int reg;
204 1.21 thorpej
205 1.21 thorpej if ((sc->sc_mii.mii_dev.dv_flags & DVF_ACTIVE) == 0)
206 1.21 thorpej return (ENXIO);
207 1.1 bouyer
208 1.17 thorpej if ((sc->sc_mii.mii_flags & MIIF_DOINGAUTO) == 0 && sc->sc_need_acomp)
209 1.17 thorpej tlphy_acomp(sc);
210 1.17 thorpej
211 1.7 thorpej switch (cmd) {
212 1.7 thorpej case MII_POLLSTAT:
213 1.7 thorpej /*
214 1.7 thorpej * If we're not polling our PHY instance, just return.
215 1.7 thorpej */
216 1.11 thorpej if (IFM_INST(ife->ifm_media) != sc->sc_mii.mii_inst)
217 1.7 thorpej return (0);
218 1.1 bouyer break;
219 1.7 thorpej
220 1.7 thorpej case MII_MEDIACHG:
221 1.7 thorpej /*
222 1.7 thorpej * If the media indicates a different PHY instance,
223 1.7 thorpej * isolate ourselves.
224 1.7 thorpej */
225 1.11 thorpej if (IFM_INST(ife->ifm_media) != sc->sc_mii.mii_inst) {
226 1.12 thorpej reg = PHY_READ(&sc->sc_mii, MII_BMCR);
227 1.12 thorpej PHY_WRITE(&sc->sc_mii, MII_BMCR, reg | BMCR_ISO);
228 1.7 thorpej return (0);
229 1.7 thorpej }
230 1.7 thorpej
231 1.7 thorpej /*
232 1.7 thorpej * If the interface is not up, don't do anything.
233 1.7 thorpej */
234 1.7 thorpej if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
235 1.7 thorpej break;
236 1.7 thorpej
237 1.11 thorpej switch (IFM_SUBTYPE(ife->ifm_media)) {
238 1.7 thorpej case IFM_AUTO:
239 1.7 thorpej /*
240 1.7 thorpej * The ThunderLAN PHY doesn't self-configure after
241 1.7 thorpej * an autonegotiation cycle, so there's no such
242 1.7 thorpej * thing as "already in auto mode".
243 1.7 thorpej */
244 1.17 thorpej (void) tlphy_auto(sc, 1);
245 1.7 thorpej break;
246 1.7 thorpej case IFM_10_2:
247 1.7 thorpej case IFM_10_5:
248 1.12 thorpej PHY_WRITE(&sc->sc_mii, MII_BMCR, 0);
249 1.12 thorpej PHY_WRITE(&sc->sc_mii, MII_TLPHY_CTRL, CTRL_AUISEL);
250 1.7 thorpej delay(100000);
251 1.7 thorpej break;
252 1.7 thorpej default:
253 1.12 thorpej PHY_WRITE(&sc->sc_mii, MII_TLPHY_CTRL, 0);
254 1.7 thorpej delay(100000);
255 1.19 thorpej mii_phy_setmedia(&sc->sc_mii);
256 1.7 thorpej }
257 1.1 bouyer break;
258 1.7 thorpej
259 1.7 thorpej case MII_TICK:
260 1.7 thorpej /*
261 1.7 thorpej * If we're not currently selected, just return.
262 1.7 thorpej */
263 1.11 thorpej if (IFM_INST(ife->ifm_media) != sc->sc_mii.mii_inst)
264 1.7 thorpej return (0);
265 1.7 thorpej
266 1.7 thorpej /*
267 1.7 thorpej * Only used for autonegotiation.
268 1.7 thorpej */
269 1.11 thorpej if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO)
270 1.7 thorpej return (0);
271 1.7 thorpej
272 1.7 thorpej /*
273 1.7 thorpej * Is the interface even up?
274 1.7 thorpej */
275 1.7 thorpej if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
276 1.7 thorpej return (0);
277 1.7 thorpej
278 1.7 thorpej /*
279 1.7 thorpej * Check to see if we have link. If we do, we don't
280 1.7 thorpej * need to restart the autonegotiation process. Read
281 1.7 thorpej * the BMSR twice in case it's latched.
282 1.7 thorpej *
283 1.7 thorpej * XXX WHAT ABOUT CHECKING LINK ON THE BNC/AUI?!
284 1.7 thorpej */
285 1.12 thorpej reg = PHY_READ(&sc->sc_mii, MII_BMSR) |
286 1.12 thorpej PHY_READ(&sc->sc_mii, MII_BMSR);
287 1.7 thorpej if (reg & BMSR_LINK)
288 1.7 thorpej return (0);
289 1.7 thorpej
290 1.7 thorpej /*
291 1.7 thorpej * Only retry autonegotiation every 5 seconds.
292 1.7 thorpej */
293 1.16 thorpej if (++sc->sc_mii.mii_ticks != 5)
294 1.7 thorpej return (0);
295 1.7 thorpej
296 1.16 thorpej sc->sc_mii.mii_ticks = 0;
297 1.14 thorpej mii_phy_reset(&sc->sc_mii);
298 1.17 thorpej if (tlphy_auto(sc, 0) == EJUSTRETURN)
299 1.17 thorpej return (0);
300 1.3 christos break;
301 1.20 thorpej
302 1.20 thorpej case MII_DOWN:
303 1.20 thorpej mii_phy_down(&sc->sc_mii);
304 1.20 thorpej return (0);
305 1.1 bouyer }
306 1.1 bouyer
307 1.7 thorpej /* Update the media status. */
308 1.7 thorpej tlphy_status(sc);
309 1.7 thorpej
310 1.7 thorpej /* Callback if something changed. */
311 1.16 thorpej if (sc->sc_mii.mii_active != mii->mii_media_active ||
312 1.16 thorpej cmd == MII_MEDIACHG) {
313 1.7 thorpej (*mii->mii_statchg)(sc->sc_mii.mii_dev.dv_parent);
314 1.16 thorpej sc->sc_mii.mii_active = mii->mii_media_active;
315 1.1 bouyer }
316 1.7 thorpej return (0);
317 1.1 bouyer }
318 1.1 bouyer
319 1.4 thorpej void
320 1.7 thorpej tlphy_status(sc)
321 1.7 thorpej struct tlphy_softc *sc;
322 1.1 bouyer {
323 1.7 thorpej struct mii_data *mii = sc->sc_mii.mii_pdata;
324 1.10 bouyer struct tl_softc *tlsc = (struct tl_softc *)sc->sc_mii.mii_dev.dv_parent;
325 1.7 thorpej int bmsr, bmcr, tlctrl;
326 1.4 thorpej
327 1.7 thorpej mii->mii_media_status = IFM_AVALID;
328 1.7 thorpej mii->mii_media_active = IFM_ETHER;
329 1.1 bouyer
330 1.12 thorpej bmcr = PHY_READ(&sc->sc_mii, MII_BMCR);
331 1.7 thorpej if (bmcr & BMCR_ISO) {
332 1.7 thorpej mii->mii_media_active |= IFM_NONE;
333 1.7 thorpej mii->mii_media_status = 0;
334 1.7 thorpej return;
335 1.1 bouyer }
336 1.1 bouyer
337 1.12 thorpej tlctrl = PHY_READ(&sc->sc_mii, MII_TLPHY_CTRL);
338 1.7 thorpej if (tlctrl & CTRL_AUISEL) {
339 1.10 bouyer if (sc->sc_tlphycap & TLPHY_MEDIA_10_2)
340 1.10 bouyer mii->mii_media_active |= IFM_10_2;
341 1.10 bouyer else if (sc->sc_tlphycap & TLPHY_MEDIA_10_5)
342 1.10 bouyer mii->mii_media_active |= IFM_10_5;
343 1.1 bouyer else
344 1.10 bouyer printf("%s: AUI selected with no matching media !\n",
345 1.10 bouyer sc->sc_mii.mii_dev.dv_xname);
346 1.10 bouyer if (tlsc->tl_flags & TL_IFACT)
347 1.10 bouyer mii->mii_media_status |= IFM_ACTIVE;
348 1.7 thorpej return;
349 1.1 bouyer }
350 1.10 bouyer
351 1.12 thorpej bmsr = PHY_READ(&sc->sc_mii, MII_BMSR) |
352 1.12 thorpej PHY_READ(&sc->sc_mii, MII_BMSR);
353 1.10 bouyer if (bmsr & BMSR_LINK)
354 1.10 bouyer mii->mii_media_status |= IFM_ACTIVE;
355 1.7 thorpej
356 1.7 thorpej if (bmcr & BMCR_LOOP)
357 1.7 thorpej mii->mii_media_active |= IFM_LOOP;
358 1.7 thorpej
359 1.7 thorpej /*
360 1.7 thorpej * Grr, braindead ThunderLAN PHY doesn't have any way to
361 1.7 thorpej * tell which media is actually active. (Note it also
362 1.7 thorpej * doesn't self-configure after autonegotiation.) We
363 1.7 thorpej * just have to report what's in the BMCR.
364 1.7 thorpej */
365 1.7 thorpej if (bmcr & BMCR_FDX)
366 1.7 thorpej mii->mii_media_active |= IFM_FDX;
367 1.7 thorpej mii->mii_media_active |= IFM_10_T;
368 1.1 bouyer }
369 1.1 bouyer
370 1.17 thorpej int
371 1.17 thorpej tlphy_auto(sc, waitfor)
372 1.17 thorpej struct tlphy_softc *sc;
373 1.17 thorpej int waitfor;
374 1.17 thorpej {
375 1.17 thorpej int error;
376 1.17 thorpej
377 1.17 thorpej switch ((error = mii_phy_auto(&sc->sc_mii, waitfor))) {
378 1.17 thorpej case EIO:
379 1.17 thorpej /*
380 1.17 thorpej * Just assume we're not in full-duplex mode.
381 1.17 thorpej * XXX Check link and try AUI/BNC?
382 1.17 thorpej */
383 1.17 thorpej PHY_WRITE(&sc->sc_mii, MII_BMCR, 0);
384 1.17 thorpej break;
385 1.17 thorpej
386 1.17 thorpej case EJUSTRETURN:
387 1.17 thorpej /* Flag that we need to program when it completes. */
388 1.17 thorpej sc->sc_need_acomp = 1;
389 1.17 thorpej break;
390 1.17 thorpej
391 1.17 thorpej default:
392 1.17 thorpej tlphy_acomp(sc);
393 1.17 thorpej }
394 1.17 thorpej
395 1.17 thorpej return (error);
396 1.17 thorpej }
397 1.17 thorpej
398 1.7 thorpej void
399 1.17 thorpej tlphy_acomp(sc)
400 1.7 thorpej struct tlphy_softc *sc;
401 1.1 bouyer {
402 1.13 thorpej int aner, anlpar;
403 1.1 bouyer
404 1.17 thorpej sc->sc_need_acomp = 0;
405 1.7 thorpej
406 1.7 thorpej /*
407 1.7 thorpej * Grr, braindead ThunderLAN PHY doesn't self-configure
408 1.7 thorpej * after autonegotiation. We have to do it ourselves
409 1.7 thorpej * based on the link partner status.
410 1.7 thorpej */
411 1.7 thorpej
412 1.12 thorpej aner = PHY_READ(&sc->sc_mii, MII_ANER);
413 1.7 thorpej if (aner & ANER_LPAN) {
414 1.12 thorpej anlpar = PHY_READ(&sc->sc_mii, MII_ANLPAR) &
415 1.12 thorpej PHY_READ(&sc->sc_mii, MII_ANAR);
416 1.7 thorpej if (anlpar & ANAR_10_FD) {
417 1.12 thorpej PHY_WRITE(&sc->sc_mii, MII_BMCR, BMCR_FDX);
418 1.7 thorpej return;
419 1.7 thorpej }
420 1.7 thorpej }
421 1.12 thorpej PHY_WRITE(&sc->sc_mii, MII_BMCR, 0);
422 1.1 bouyer }
423