rgephy.c revision 1.43 1 /* $NetBSD: rgephy.c,v 1.43 2018/06/19 10:36:41 jmcneill Exp $ */
2
3 /*
4 * Copyright (c) 2003
5 * Bill Paul <wpaul (at) windriver.com>. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Bill Paul.
18 * 4. Neither the name of the author nor the names of any co-contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
32 * THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35 #include <sys/cdefs.h>
36 __KERNEL_RCSID(0, "$NetBSD: rgephy.c,v 1.43 2018/06/19 10:36:41 jmcneill Exp $");
37
38
39 /*
40 * Driver for the RealTek 8169S/8110S internal 10/100/1000 PHY.
41 */
42
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/kernel.h>
46 #include <sys/device.h>
47 #include <sys/socket.h>
48
49
50 #include <net/if.h>
51 #include <net/if_media.h>
52
53 #include <dev/mii/mii.h>
54 #include <dev/mii/miivar.h>
55 #include <dev/mii/miidevs.h>
56
57 #include <dev/mii/rgephyreg.h>
58
59 #include <dev/ic/rtl81x9reg.h>
60
61 static int rgephy_match(device_t, cfdata_t, void *);
62 static void rgephy_attach(device_t, device_t, void *);
63
64 struct rgephy_softc {
65 struct mii_softc mii_sc;
66 bool mii_no_rx_delay;
67 };
68
69 CFATTACH_DECL_NEW(rgephy, sizeof(struct rgephy_softc),
70 rgephy_match, rgephy_attach, mii_phy_detach, mii_phy_activate);
71
72
73 static int rgephy_service(struct mii_softc *, struct mii_data *, int);
74 static void rgephy_status(struct mii_softc *);
75 static int rgephy_mii_phy_auto(struct mii_softc *);
76 static void rgephy_reset(struct mii_softc *);
77 static void rgephy_loop(struct mii_softc *);
78 static void rgephy_load_dspcode(struct mii_softc *);
79
80 static const struct mii_phy_funcs rgephy_funcs = {
81 rgephy_service, rgephy_status, rgephy_reset,
82 };
83
84 static const struct mii_phydesc rgephys[] = {
85 { MII_OUI_xxREALTEK, MII_MODEL_xxREALTEK_RTL8169S,
86 MII_STR_xxREALTEK_RTL8169S },
87
88 { MII_OUI_REALTEK, MII_MODEL_REALTEK_RTL8169S,
89 MII_STR_REALTEK_RTL8169S },
90
91 { MII_OUI_REALTEK, MII_MODEL_REALTEK_RTL8251,
92 MII_STR_REALTEK_RTL8251 },
93
94 { 0, 0,
95 NULL }
96 };
97
98 static int
99 rgephy_match(device_t parent, cfdata_t match, void *aux)
100 {
101 struct mii_attach_args *ma = aux;
102
103 if (mii_phy_match(ma, rgephys) != NULL)
104 return 10;
105
106 return 0;
107 }
108
109 static void
110 rgephy_attach(device_t parent, device_t self, void *aux)
111 {
112 struct rgephy_softc *rsc = device_private(self);
113 prop_dictionary_t prop = device_properties(self);
114 struct mii_softc *sc = &rsc->mii_sc;
115 struct mii_attach_args *ma = aux;
116 struct mii_data *mii = ma->mii_data;
117 const struct mii_phydesc *mpd;
118 int rev;
119 const char *sep = "";
120
121 ma = aux;
122 mii = ma->mii_data;
123
124 rev = MII_REV(ma->mii_id2);
125 mpd = mii_phy_match(ma, rgephys);
126 aprint_naive(": Media interface\n");
127 aprint_normal(": %s, rev. %d\n", mpd->mpd_name, rev);
128
129 sc->mii_dev = self;
130 sc->mii_inst = mii->mii_instance;
131 sc->mii_phy = ma->mii_phyno;
132 sc->mii_mpd_oui = MII_OUI(ma->mii_id1, ma->mii_id2);
133 sc->mii_mpd_model = MII_MODEL(ma->mii_id2);
134 sc->mii_mpd_rev = MII_REV(ma->mii_id2);
135 sc->mii_pdata = mii;
136 sc->mii_flags = mii->mii_flags;
137 sc->mii_anegticks = MII_ANEGTICKS_GIGE;
138
139 sc->mii_funcs = &rgephy_funcs;
140
141 prop_dictionary_get_bool(prop, "no-rx-delay", &rsc->mii_no_rx_delay);
142
143 #define ADD(m, c) ifmedia_add(&mii->mii_media, (m), (c), NULL)
144 #define PRINT(n) aprint_normal("%s%s", sep, (n)); sep = ", "
145
146 #ifdef __FreeBSD__
147 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_LOOP, sc->mii_inst),
148 BMCR_LOOP|BMCR_S100);
149 #endif
150
151 sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
152 sc->mii_capabilities &= ~BMSR_ANEG;
153
154 /*
155 * FreeBSD does not check EXSTAT, but instead adds gigabit
156 * media explicitly. Why?
157 */
158 aprint_normal_dev(self, "");
159 if (sc->mii_capabilities & BMSR_EXTSTAT) {
160 sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
161 }
162 mii_phy_add_media(sc);
163
164 /* rtl8169S does not report auto-sense; add manually. */
165 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, sc->mii_inst), MII_NMEDIA);
166 sep =", ";
167 PRINT("auto");
168
169 #undef ADD
170 #undef PRINT
171
172 rgephy_reset(sc);
173 aprint_normal("\n");
174 }
175
176 static int
177 rgephy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
178 {
179 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
180 int reg, speed, gig, anar;
181
182 switch (cmd) {
183 case MII_POLLSTAT:
184 /*
185 * If we're not polling our PHY instance, just return.
186 */
187 if (IFM_INST(ife->ifm_media) != sc->mii_inst)
188 return 0;
189 break;
190
191 case MII_MEDIACHG:
192 /*
193 * If the media indicates a different PHY instance,
194 * isolate ourselves.
195 */
196 if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
197 reg = PHY_READ(sc, MII_BMCR);
198 PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
199 return 0;
200 }
201
202 /*
203 * If the interface is not up, don't do anything.
204 */
205 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
206 break;
207
208 rgephy_reset(sc); /* XXX hardware bug work-around */
209
210 anar = PHY_READ(sc, MII_ANAR);
211 anar &= ~(ANAR_TX_FD | ANAR_TX | ANAR_10_FD | ANAR_10);
212
213 switch (IFM_SUBTYPE(ife->ifm_media)) {
214 case IFM_AUTO:
215 #ifdef foo
216 /*
217 * If we're already in auto mode, just return.
218 */
219 if (PHY_READ(sc, MII_BMCR) & BMCR_AUTOEN)
220 return 0;
221 #endif
222 (void)rgephy_mii_phy_auto(sc);
223 break;
224 case IFM_1000_T:
225 speed = BMCR_S1000;
226 goto setit;
227 case IFM_100_TX:
228 speed = BMCR_S100;
229 anar |= ANAR_TX_FD | ANAR_TX;
230 goto setit;
231 case IFM_10_T:
232 speed = BMCR_S10;
233 anar |= ANAR_10_FD | ANAR_10;
234 setit:
235 rgephy_loop(sc);
236 if ((ife->ifm_media & IFM_GMASK) == IFM_FDX) {
237 speed |= BMCR_FDX;
238 gig = GTCR_ADV_1000TFDX;
239 anar &= ~(ANAR_TX | ANAR_10);
240 } else {
241 gig = GTCR_ADV_1000THDX;
242 anar &= ~(ANAR_TX_FD | ANAR_10_FD);
243 }
244
245 if (IFM_SUBTYPE(ife->ifm_media) != IFM_1000_T) {
246 PHY_WRITE(sc, MII_100T2CR, 0);
247 PHY_WRITE(sc, MII_ANAR, anar);
248 PHY_WRITE(sc, MII_BMCR, speed |
249 BMCR_AUTOEN | BMCR_STARTNEG);
250 break;
251 }
252
253 /*
254 * When setting the link manually, one side must
255 * be the master and the other the slave. However
256 * ifmedia doesn't give us a good way to specify
257 * this, so we fake it by using one of the LINK
258 * flags. If LINK0 is set, we program the PHY to
259 * be a master, otherwise it's a slave.
260 */
261 if ((mii->mii_ifp->if_flags & IFF_LINK0)) {
262 PHY_WRITE(sc, MII_100T2CR,
263 gig|GTCR_MAN_MS|GTCR_ADV_MS);
264 } else {
265 PHY_WRITE(sc, MII_100T2CR, gig|GTCR_MAN_MS);
266 }
267 PHY_WRITE(sc, MII_BMCR, speed |
268 BMCR_AUTOEN | BMCR_STARTNEG);
269 break;
270 case IFM_NONE:
271 PHY_WRITE(sc, MII_BMCR, BMCR_ISO|BMCR_PDOWN);
272 break;
273 case IFM_100_T4:
274 default:
275 return EINVAL;
276 }
277 break;
278
279 case MII_TICK:
280 /*
281 * If we're not currently selected, just return.
282 */
283 if (IFM_INST(ife->ifm_media) != sc->mii_inst)
284 return 0;
285
286 /*
287 * Is the interface even up?
288 */
289 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
290 return 0;
291
292 /*
293 * Only used for autonegotiation.
294 */
295 if ((IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) &&
296 (IFM_SUBTYPE(ife->ifm_media) != IFM_1000_T)) {
297 /*
298 * Reset autonegotiation timer to 0 to make sure
299 * the future autonegotiation start with 0.
300 */
301 sc->mii_ticks = 0;
302 break;
303 }
304
305 /*
306 * Check to see if we have link. If we do, we don't
307 * need to restart the autonegotiation process. Read
308 * the BMSR twice in case it's latched.
309 */
310 if (sc->mii_mpd_rev >= RGEPHY_8211F) {
311 /* RTL8211F */
312 reg = PHY_READ(sc, RGEPHY_MII_PHYSR);
313 if (reg & RGEPHY_PHYSR_LINK) {
314 sc->mii_ticks = 0;
315 break;
316 }
317 } else if (sc->mii_mpd_rev >= RGEPHY_8211B) {
318 /* RTL8211B(L) */
319 reg = PHY_READ(sc, RGEPHY_MII_SSR);
320 if (reg & RGEPHY_SSR_LINK) {
321 sc->mii_ticks = 0;
322 break;
323 }
324 } else {
325 reg = PHY_READ(sc, RTK_GMEDIASTAT);
326 if ((reg & RTK_GMEDIASTAT_LINK) != 0) {
327 sc->mii_ticks = 0;
328 break;
329 }
330 }
331
332 /* Announce link loss right after it happens. */
333 if (sc->mii_ticks++ == 0)
334 break;
335
336 /* Only retry autonegotiation every mii_anegticks seconds. */
337 if (sc->mii_ticks <= sc->mii_anegticks)
338 return 0;
339
340 rgephy_mii_phy_auto(sc);
341 break;
342 }
343
344 /* Update the media status. */
345 rgephy_status(sc);
346
347 /*
348 * Callback if something changed. Note that we need to poke
349 * the DSP on the RealTek PHYs if the media changes.
350 *
351 */
352 if (sc->mii_media_active != mii->mii_media_active ||
353 sc->mii_media_status != mii->mii_media_status ||
354 cmd == MII_MEDIACHG) {
355 rgephy_load_dspcode(sc);
356 }
357 mii_phy_update(sc, cmd);
358 return 0;
359 }
360
361 static void
362 rgephy_status(struct mii_softc *sc)
363 {
364 struct mii_data *mii = sc->mii_pdata;
365 int gstat, bmsr, bmcr, physr;
366 uint16_t ssr;
367
368 mii->mii_media_status = IFM_AVALID;
369 mii->mii_media_active = IFM_ETHER;
370
371 if (sc->mii_mpd_rev >= RGEPHY_8211F) {
372 physr = PHY_READ(sc, RGEPHY_MII_PHYSR);
373 if (physr & RGEPHY_PHYSR_LINK)
374 mii->mii_media_status |= IFM_ACTIVE;
375 } else if (sc->mii_mpd_rev >= RGEPHY_8211B) {
376 ssr = PHY_READ(sc, RGEPHY_MII_SSR);
377 if (ssr & RGEPHY_SSR_LINK)
378 mii->mii_media_status |= IFM_ACTIVE;
379 } else {
380 gstat = PHY_READ(sc, RTK_GMEDIASTAT);
381 if ((gstat & RTK_GMEDIASTAT_LINK) != 0)
382 mii->mii_media_status |= IFM_ACTIVE;
383 }
384
385 bmsr = PHY_READ(sc, MII_BMSR);
386 bmcr = PHY_READ(sc, MII_BMCR);
387
388 if ((bmcr & BMCR_ISO) != 0) {
389 mii->mii_media_active |= IFM_NONE;
390 mii->mii_media_status = 0;
391 return;
392 }
393
394 if ((bmcr & BMCR_LOOP) != 0)
395 mii->mii_media_active |= IFM_LOOP;
396
397 if ((bmcr & BMCR_AUTOEN) != 0) {
398 if ((bmsr & BMSR_ACOMP) == 0) {
399 /* Erg, still trying, I guess... */
400 mii->mii_media_active |= IFM_NONE;
401 return;
402 }
403 }
404
405 if (sc->mii_mpd_rev >= RGEPHY_8211F) {
406 physr = PHY_READ(sc, RGEPHY_MII_PHYSR);
407 switch (__SHIFTOUT(physr, RGEPHY_PHYSR_SPEED)) {
408 case RGEPHY_PHYSR_SPEED_1000:
409 mii->mii_media_active |= IFM_1000_T;
410 break;
411 case RGEPHY_PHYSR_SPEED_100:
412 mii->mii_media_active |= IFM_100_TX;
413 break;
414 case RGEPHY_PHYSR_SPEED_10:
415 mii->mii_media_active |= IFM_10_T;
416 break;
417 default:
418 mii->mii_media_active |= IFM_NONE;
419 break;
420 }
421 if (physr & RGEPHY_PHYSR_DUPLEX)
422 mii->mii_media_active |= mii_phy_flowstatus(sc) |
423 IFM_FDX;
424 else
425 mii->mii_media_active |= IFM_HDX;
426 } else if (sc->mii_mpd_rev >= RGEPHY_8211B) {
427 ssr = PHY_READ(sc, RGEPHY_MII_SSR);
428 switch (ssr & RGEPHY_SSR_SPD_MASK) {
429 case RGEPHY_SSR_S1000:
430 mii->mii_media_active |= IFM_1000_T;
431 break;
432 case RGEPHY_SSR_S100:
433 mii->mii_media_active |= IFM_100_TX;
434 break;
435 case RGEPHY_SSR_S10:
436 mii->mii_media_active |= IFM_10_T;
437 break;
438 default:
439 mii->mii_media_active |= IFM_NONE;
440 break;
441 }
442 if (ssr & RGEPHY_SSR_FDX)
443 mii->mii_media_active |= mii_phy_flowstatus(sc) |
444 IFM_FDX;
445 else
446 mii->mii_media_active |= IFM_HDX;
447 } else {
448 gstat = PHY_READ(sc, RTK_GMEDIASTAT);
449 if ((gstat & RTK_GMEDIASTAT_1000MBPS) != 0)
450 mii->mii_media_active |= IFM_1000_T;
451 else if ((gstat & RTK_GMEDIASTAT_100MBPS) != 0)
452 mii->mii_media_active |= IFM_100_TX;
453 else if ((gstat & RTK_GMEDIASTAT_10MBPS) != 0)
454 mii->mii_media_active |= IFM_10_T;
455 else
456 mii->mii_media_active |= IFM_NONE;
457 if ((gstat & RTK_GMEDIASTAT_FDX) != 0)
458 mii->mii_media_active |= mii_phy_flowstatus(sc) |
459 IFM_FDX;
460 else
461 mii->mii_media_active |= IFM_HDX;
462 }
463 }
464
465
466 static int
467 rgephy_mii_phy_auto(struct mii_softc *mii)
468 {
469 int anar;
470
471 mii->mii_ticks = 0;
472 rgephy_loop(mii);
473 rgephy_reset(mii);
474
475 anar = BMSR_MEDIA_TO_ANAR(mii->mii_capabilities) | ANAR_CSMA;
476 if (mii->mii_flags & MIIF_DOPAUSE)
477 anar |= ANAR_FC | ANAR_PAUSE_ASYM;
478
479 PHY_WRITE(mii, MII_ANAR, anar);
480 DELAY(1000);
481 PHY_WRITE(mii, MII_100T2CR, GTCR_ADV_1000THDX | GTCR_ADV_1000TFDX);
482 DELAY(1000);
483 PHY_WRITE(mii, MII_BMCR, BMCR_AUTOEN | BMCR_STARTNEG);
484 DELAY(100);
485
486 return EJUSTRETURN;
487 }
488
489 static void
490 rgephy_loop(struct mii_softc *sc)
491 {
492 uint32_t bmsr;
493 int i;
494
495 if (sc->mii_mpd_model != MII_MODEL_REALTEK_RTL8251 &&
496 sc->mii_mpd_rev < RGEPHY_8211B) {
497 PHY_WRITE(sc, MII_BMCR, BMCR_PDOWN);
498 DELAY(1000);
499 }
500
501 for (i = 0; i < 15000; i++) {
502 bmsr = PHY_READ(sc, MII_BMSR);
503 if ((bmsr & BMSR_LINK) == 0) {
504 #if 0
505 device_printf(sc->mii_dev, "looped %d\n", i);
506 #endif
507 break;
508 }
509 DELAY(10);
510 }
511 }
512
513 #define PHY_SETBIT(x, y, z) \
514 PHY_WRITE(x, y, (PHY_READ(x, y) | (z)))
515 #define PHY_CLRBIT(x, y, z) \
516 PHY_WRITE(x, y, (PHY_READ(x, y) & ~(z)))
517
518 /*
519 * Initialize RealTek PHY per the datasheet. The DSP in the PHYs of
520 * existing revisions of the 8169S/8110S chips need to be tuned in
521 * order to reliably negotiate a 1000Mbps link. This is only needed
522 * for rev 0 and rev 1 of the PHY. Later versions work without
523 * any fixups.
524 */
525 static void
526 rgephy_load_dspcode(struct mii_softc *sc)
527 {
528 int val;
529
530 if (sc->mii_mpd_model == MII_MODEL_REALTEK_RTL8251 ||
531 sc->mii_mpd_rev >= RGEPHY_8211B)
532 return;
533
534 #if 1
535 PHY_WRITE(sc, 31, 0x0001);
536 PHY_WRITE(sc, 21, 0x1000);
537 PHY_WRITE(sc, 24, 0x65C7);
538 PHY_CLRBIT(sc, 4, 0x0800);
539 val = PHY_READ(sc, 4) & 0xFFF;
540 PHY_WRITE(sc, 4, val);
541 PHY_WRITE(sc, 3, 0x00A1);
542 PHY_WRITE(sc, 2, 0x0008);
543 PHY_WRITE(sc, 1, 0x1020);
544 PHY_WRITE(sc, 0, 0x1000);
545 PHY_SETBIT(sc, 4, 0x0800);
546 PHY_CLRBIT(sc, 4, 0x0800);
547 val = (PHY_READ(sc, 4) & 0xFFF) | 0x7000;
548 PHY_WRITE(sc, 4, val);
549 PHY_WRITE(sc, 3, 0xFF41);
550 PHY_WRITE(sc, 2, 0xDE60);
551 PHY_WRITE(sc, 1, 0x0140);
552 PHY_WRITE(sc, 0, 0x0077);
553 val = (PHY_READ(sc, 4) & 0xFFF) | 0xA000;
554 PHY_WRITE(sc, 4, val);
555 PHY_WRITE(sc, 3, 0xDF01);
556 PHY_WRITE(sc, 2, 0xDF20);
557 PHY_WRITE(sc, 1, 0xFF95);
558 PHY_WRITE(sc, 0, 0xFA00);
559 val = (PHY_READ(sc, 4) & 0xFFF) | 0xB000;
560 PHY_WRITE(sc, 4, val);
561 PHY_WRITE(sc, 3, 0xFF41);
562 PHY_WRITE(sc, 2, 0xDE20);
563 PHY_WRITE(sc, 1, 0x0140);
564 PHY_WRITE(sc, 0, 0x00BB);
565 val = (PHY_READ(sc, 4) & 0xFFF) | 0xF000;
566 PHY_WRITE(sc, 4, val);
567 PHY_WRITE(sc, 3, 0xDF01);
568 PHY_WRITE(sc, 2, 0xDF20);
569 PHY_WRITE(sc, 1, 0xFF95);
570 PHY_WRITE(sc, 0, 0xBF00);
571 PHY_SETBIT(sc, 4, 0x0800);
572 PHY_CLRBIT(sc, 4, 0x0800);
573 PHY_WRITE(sc, 31, 0x0000);
574 #else
575 (void)val;
576 PHY_WRITE(sc, 0x1f, 0x0001);
577 PHY_WRITE(sc, 0x15, 0x1000);
578 PHY_WRITE(sc, 0x18, 0x65c7);
579 PHY_WRITE(sc, 0x04, 0x0000);
580 PHY_WRITE(sc, 0x03, 0x00a1);
581 PHY_WRITE(sc, 0x02, 0x0008);
582 PHY_WRITE(sc, 0x01, 0x1020);
583 PHY_WRITE(sc, 0x00, 0x1000);
584 PHY_WRITE(sc, 0x04, 0x0800);
585 PHY_WRITE(sc, 0x04, 0x0000);
586 PHY_WRITE(sc, 0x04, 0x7000);
587 PHY_WRITE(sc, 0x03, 0xff41);
588 PHY_WRITE(sc, 0x02, 0xde60);
589 PHY_WRITE(sc, 0x01, 0x0140);
590 PHY_WRITE(sc, 0x00, 0x0077);
591 PHY_WRITE(sc, 0x04, 0x7800);
592 PHY_WRITE(sc, 0x04, 0x7000);
593 PHY_WRITE(sc, 0x04, 0xa000);
594 PHY_WRITE(sc, 0x03, 0xdf01);
595 PHY_WRITE(sc, 0x02, 0xdf20);
596 PHY_WRITE(sc, 0x01, 0xff95);
597 PHY_WRITE(sc, 0x00, 0xfa00);
598 PHY_WRITE(sc, 0x04, 0xa800);
599 PHY_WRITE(sc, 0x04, 0xa000);
600 PHY_WRITE(sc, 0x04, 0xb000);
601 PHY_WRITE(sc, 0x0e, 0xff41);
602 PHY_WRITE(sc, 0x02, 0xde20);
603 PHY_WRITE(sc, 0x01, 0x0140);
604 PHY_WRITE(sc, 0x00, 0x00bb);
605 PHY_WRITE(sc, 0x04, 0xb800);
606 PHY_WRITE(sc, 0x04, 0xb000);
607 PHY_WRITE(sc, 0x04, 0xf000);
608 PHY_WRITE(sc, 0x03, 0xdf01);
609 PHY_WRITE(sc, 0x02, 0xdf20);
610 PHY_WRITE(sc, 0x01, 0xff95);
611 PHY_WRITE(sc, 0x00, 0xbf00);
612 PHY_WRITE(sc, 0x04, 0xf800);
613 PHY_WRITE(sc, 0x04, 0xf000);
614 PHY_WRITE(sc, 0x04, 0x0000);
615 PHY_WRITE(sc, 0x1f, 0x0000);
616 PHY_WRITE(sc, 0x0b, 0x0000);
617
618 #endif
619
620 DELAY(40);
621 }
622
623 static void
624 rgephy_reset(struct mii_softc *sc)
625 {
626 struct rgephy_softc *rsc = (struct rgephy_softc *)sc;
627 uint16_t ssr, phycr1;
628
629 mii_phy_reset(sc);
630 DELAY(1000);
631
632 if (sc->mii_mpd_model != MII_MODEL_REALTEK_RTL8251 &&
633 sc->mii_mpd_rev < RGEPHY_8211B) {
634 rgephy_load_dspcode(sc);
635 } else if (sc->mii_mpd_rev == RGEPHY_8211C) {
636 /* RTL8211C(L) */
637 ssr = PHY_READ(sc, RGEPHY_MII_SSR);
638 if ((ssr & RGEPHY_SSR_ALDPS) != 0) {
639 ssr &= ~RGEPHY_SSR_ALDPS;
640 PHY_WRITE(sc, RGEPHY_MII_SSR, ssr);
641 }
642 } else if (sc->mii_mpd_rev == RGEPHY_8211E) {
643 /* RTL8211E */
644 if (rsc->mii_no_rx_delay) {
645 /* Disable RX internal delay (undocumented) */
646 PHY_WRITE(sc, 0x1f, 0x0007);
647 PHY_WRITE(sc, 0x1e, 0x00a4);
648 PHY_WRITE(sc, 0x1c, 0xb591);
649 PHY_WRITE(sc, 0x1f, 0x0000);
650 }
651 } else if (sc->mii_mpd_rev == RGEPHY_8211F) {
652 /* RTL8211F */
653 phycr1 = PHY_READ(sc, RGEPHY_MII_PHYCR1);
654 phycr1 &= ~RGEPHY_PHYCR1_MDI_MMCE;
655 phycr1 &= ~RGEPHY_PHYCR1_ALDPS_EN;
656 PHY_WRITE(sc, RGEPHY_MII_PHYCR1, phycr1);
657 } else {
658 PHY_WRITE(sc, 0x1F, 0x0000);
659 PHY_WRITE(sc, 0x0e, 0x0000);
660 }
661
662 /* Reset capabilities */
663 /* Step1: write our capability */
664 /* 10/100 capability */
665 PHY_WRITE(sc, MII_ANAR,
666 ANAR_TX_FD | ANAR_TX | ANAR_10_FD | ANAR_10 | ANAR_CSMA);
667 /* 1000 capability */
668 PHY_WRITE(sc, MII_100T2CR, GTCR_ADV_1000TFDX | GTCR_ADV_1000THDX);
669
670 /* Step2: Restart NWay */
671 /* NWay enable and Restart NWay */
672 PHY_WRITE(sc, MII_BMCR, BMCR_RESET | BMCR_AUTOEN | BMCR_STARTNEG);
673
674 if (sc->mii_mpd_rev == RGEPHY_8211F) {
675 /* RTL8211F */
676 delay(10000);
677 /* disable EEE */
678 PHY_WRITE(sc, RGEPHY_MII_MACR, 0x0007);
679 PHY_WRITE(sc, RGEPHY_MII_MAADR, 0x003c);
680 PHY_WRITE(sc, RGEPHY_MII_MACR, 0x4007);
681 PHY_WRITE(sc, RGEPHY_MII_MAADR, 0x0000);
682 }
683 }
684