1 /* $OpenBSD: brgphy.c,v 1.48 2006/05/20 23:03:53 brad Exp $ */ 2 3 /* 4 * Copyright (c) 2000 5 * Bill Paul <wpaul@ee.columbia.edu>. 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 * $FreeBSD: src/sys/dev/mii/brgphy.c,v 1.1.2.7 2003/05/11 18:00:55 ps Exp $ 35 * $DragonFly: src/sys/dev/netif/mii_layer/brgphy.c,v 1.21 2008/07/22 10:59:16 sephe Exp $ 36 */ 37 38 /* 39 * Driver for the Broadcom BCR5400 1000baseT PHY. Speed is always 40 * 1000mbps; all we need to negotiate here is full or half duplex. 41 */ 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/kernel.h> 46 #include <sys/socket.h> 47 #include <sys/bus.h> 48 #include <sys/sysctl.h> 49 50 #include <net/ethernet.h> 51 #include <net/if.h> 52 #include <net/if_media.h> 53 #include <net/if_arp.h> 54 55 #include "mii.h" 56 #include "miivar.h" 57 #include "miidevs.h" 58 59 #include "brgphyreg.h" 60 #include <dev/netif/bge/if_bgereg.h> 61 62 #include "miibus_if.h" 63 64 static int brgphy_probe(device_t); 65 static int brgphy_attach(device_t); 66 67 static const struct mii_phydesc brgphys[] = { 68 MII_PHYDESC(xxBROADCOM, BCM5400), 69 MII_PHYDESC(xxBROADCOM, BCM5401), 70 MII_PHYDESC(xxBROADCOM, BCM5411), 71 MII_PHYDESC(xxBROADCOM, BCM5421), 72 MII_PHYDESC(xxBROADCOM, BCM54K2), 73 MII_PHYDESC(xxBROADCOM, BCM5462), 74 75 MII_PHYDESC(xxBROADCOM, BCM5701), 76 MII_PHYDESC(xxBROADCOM, BCM5703), 77 MII_PHYDESC(xxBROADCOM, BCM5704), 78 MII_PHYDESC(xxBROADCOM, BCM5705), 79 80 MII_PHYDESC(xxBROADCOM, BCM5714), 81 MII_PHYDESC(xxBROADCOM, BCM5750), 82 MII_PHYDESC(xxBROADCOM, BCM5752), 83 MII_PHYDESC(xxBROADCOM2,BCM5755), 84 MII_PHYDESC(xxBROADCOM, BCM5780), 85 MII_PHYDESC(xxBROADCOM2,BCM5787), 86 87 MII_PHYDESC(xxBROADCOM, BCM5706C), 88 MII_PHYDESC(xxBROADCOM, BCM5708C), 89 90 MII_PHYDESC_NULL 91 }; 92 93 static device_method_t brgphy_methods[] = { 94 /* device interface */ 95 DEVMETHOD(device_probe, brgphy_probe), 96 DEVMETHOD(device_attach, brgphy_attach), 97 DEVMETHOD(device_detach, ukphy_detach), 98 DEVMETHOD(device_shutdown, bus_generic_shutdown), 99 { 0, 0 } 100 }; 101 102 static devclass_t brgphy_devclass; 103 104 static driver_t brgphy_driver = { 105 "brgphy", 106 brgphy_methods, 107 sizeof(struct mii_softc) 108 }; 109 110 DRIVER_MODULE(brgphy, miibus, brgphy_driver, brgphy_devclass, 0, 0); 111 112 static int brgphy_service(struct mii_softc *, struct mii_data *, int); 113 static void brgphy_status(struct mii_softc *); 114 static void brgphy_mii_phy_auto(struct mii_softc *); 115 static void brgphy_reset(struct mii_softc *); 116 static void brgphy_loop(struct mii_softc *); 117 118 static void brgphy_bcm5401_dspcode(struct mii_softc *); 119 static void brgphy_bcm5411_dspcode(struct mii_softc *); 120 static void brgphy_bcm5421_dspcode(struct mii_softc *); 121 static void brgphy_bcm54k2_dspcode(struct mii_softc *); 122 123 static void brgphy_adc_bug(struct mii_softc *); 124 static void brgphy_5704_a0_bug(struct mii_softc *); 125 static void brgphy_ber_bug(struct mii_softc *); 126 static void brgphy_crc_bug(struct mii_softc *); 127 128 static void brgphy_jumbo_settings(struct mii_softc *, u_long); 129 static void brgphy_eth_wirespeed(struct mii_softc *); 130 131 static int 132 brgphy_probe(device_t dev) 133 { 134 struct mii_attach_args *ma = device_get_ivars(dev); 135 const struct mii_phydesc *mpd; 136 137 mpd = mii_phy_match(ma, brgphys); 138 if (mpd != NULL) { 139 device_set_desc(dev, mpd->mpd_name); 140 return (0); 141 } 142 return(ENXIO); 143 } 144 145 static int 146 brgphy_attach(device_t dev) 147 { 148 struct mii_softc *sc; 149 struct mii_attach_args *ma; 150 struct mii_data *mii; 151 152 sc = device_get_softc(dev); 153 ma = device_get_ivars(dev); 154 mii_softc_init(sc, ma); 155 sc->mii_dev = device_get_parent(dev); 156 mii = device_get_softc(sc->mii_dev); 157 LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list); 158 159 sc->mii_inst = mii->mii_instance; 160 sc->mii_service = brgphy_service; 161 sc->mii_reset = brgphy_reset; 162 sc->mii_pdata = mii; 163 164 sc->mii_flags |= MIIF_NOISOLATE; 165 mii->mii_instance++; 166 167 brgphy_reset(sc); 168 169 #define ADD(m, c) ifmedia_add(&mii->mii_media, (m), (c), NULL) 170 171 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_NONE, 0, sc->mii_inst), 172 MII_MEDIA_NONE); 173 #if 0 174 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_LOOP, sc->mii_inst), 175 MII_MEDIA_100_TX); 176 #endif 177 178 #undef ADD 179 180 sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask; 181 if (sc->mii_capabilities & BMSR_EXTSTAT) 182 sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR); 183 184 device_printf(dev, " "); 185 if ((sc->mii_capabilities & BMSR_MEDIAMASK) || 186 (sc->mii_extcapabilities & EXTSR_MEDIAMASK)) 187 mii_phy_add_media(sc); 188 else 189 kprintf("no media present"); 190 kprintf("\n"); 191 192 MIIBUS_MEDIAINIT(sc->mii_dev); 193 return(0); 194 } 195 196 static int 197 brgphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd) 198 { 199 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 200 int reg, speed, gig; 201 202 switch (cmd) { 203 case MII_POLLSTAT: 204 /* 205 * If we're not polling our PHY instance, just return. 206 */ 207 if (IFM_INST(ife->ifm_media) != sc->mii_inst) 208 return (0); 209 break; 210 211 case MII_MEDIACHG: 212 /* 213 * If the media indicates a different PHY instance, 214 * isolate ourselves. 215 */ 216 if (IFM_INST(ife->ifm_media) != sc->mii_inst) { 217 reg = PHY_READ(sc, MII_BMCR); 218 PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO); 219 return (0); 220 } 221 222 /* 223 * If the interface is not up, don't do anything. 224 */ 225 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 226 break; 227 228 brgphy_reset(sc); /* XXX hardware bug work-around */ 229 230 switch (IFM_SUBTYPE(ife->ifm_media)) { 231 case IFM_AUTO: 232 #ifdef foo 233 /* 234 * If we're already in auto mode, just return. 235 */ 236 if (PHY_READ(sc, BRGPHY_MII_BMCR) & BRGPHY_BMCR_AUTOEN) 237 return (0); 238 #endif 239 brgphy_mii_phy_auto(sc); 240 break; 241 case IFM_1000_T: 242 speed = BRGPHY_S1000; 243 goto setit; 244 case IFM_100_TX: 245 speed = BRGPHY_S100; 246 goto setit; 247 case IFM_10_T: 248 speed = BRGPHY_S10; 249 setit: 250 brgphy_loop(sc); 251 if ((ife->ifm_media & IFM_GMASK) == IFM_FDX) { 252 speed |= BRGPHY_BMCR_FDX; 253 gig = BRGPHY_1000CTL_AFD; 254 } else { 255 gig = BRGPHY_1000CTL_AHD; 256 } 257 258 PHY_WRITE(sc, BRGPHY_MII_1000CTL, 0); 259 PHY_WRITE(sc, BRGPHY_MII_BMCR, speed); 260 PHY_WRITE(sc, BRGPHY_MII_ANAR, BRGPHY_SEL_TYPE); 261 262 if (IFM_SUBTYPE(ife->ifm_media) != IFM_1000_T) 263 break; 264 265 PHY_WRITE(sc, BRGPHY_MII_1000CTL, gig); 266 PHY_WRITE(sc, BRGPHY_MII_BMCR, 267 speed|BRGPHY_BMCR_AUTOEN|BRGPHY_BMCR_STARTNEG); 268 269 if (sc->mii_model != MII_MODEL_xxBROADCOM_BCM5701) 270 break; 271 272 /* 273 * When settning the link manually, one side must 274 * be the master and the other the slave. However 275 * ifmedia doesn't give us a good way to specify 276 * this, so we fake it by using one of the LINK 277 * flags. If LINK0 is set, we program the PHY to 278 * be a master, otherwise it's a slave. 279 */ 280 if ((mii->mii_ifp->if_flags & IFF_LINK0)) { 281 PHY_WRITE(sc, BRGPHY_MII_1000CTL, 282 gig|BRGPHY_1000CTL_MSE|BRGPHY_1000CTL_MSC); 283 } else { 284 PHY_WRITE(sc, BRGPHY_MII_1000CTL, 285 gig|BRGPHY_1000CTL_MSE); 286 } 287 break; 288 #ifdef foo 289 case IFM_NONE: 290 PHY_WRITE(sc, MII_BMCR, BMCR_ISO|BMCR_PDOWN); 291 break; 292 #endif 293 case IFM_100_T4: 294 default: 295 return (EINVAL); 296 } 297 break; 298 299 case MII_TICK: 300 /* 301 * If we're not currently selected, just return. 302 */ 303 if (IFM_INST(ife->ifm_media) != sc->mii_inst) 304 return (0); 305 306 /* 307 * Is the interface even up? 308 */ 309 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 310 return (0); 311 312 /* 313 * Only used for autonegotiation. 314 */ 315 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 316 break; 317 318 /* 319 * Check to see if we have link. If we do, we don't 320 * need to restart the autonegotiation process. 321 */ 322 reg = PHY_READ(sc, BRGPHY_MII_AUXSTS); 323 if (reg & BRGPHY_AUXSTS_LINK) { 324 sc->mii_ticks = 0; 325 break; 326 } 327 328 /* 329 * Only retry autonegotiation every 5 seconds. 330 */ 331 if (++sc->mii_ticks <= sc->mii_anegticks) 332 break; 333 334 sc->mii_ticks = 0; 335 brgphy_mii_phy_auto(sc); 336 break; 337 } 338 339 /* Update the media status. */ 340 brgphy_status(sc); 341 342 /* 343 * Callback if something changed. Note that we need to poke 344 * the DSP on the Broadcom PHYs if the media changes. 345 */ 346 if (sc->mii_media_active != mii->mii_media_active || 347 sc->mii_media_status != mii->mii_media_status || 348 cmd == MII_MEDIACHG) { 349 switch (sc->mii_model) { 350 case MII_MODEL_xxBROADCOM_BCM5400: 351 brgphy_bcm5401_dspcode(sc); 352 break; 353 case MII_MODEL_xxBROADCOM_BCM5401: 354 if (sc->mii_rev == 1 || sc->mii_rev == 3) 355 brgphy_bcm5401_dspcode(sc); 356 break; 357 case MII_MODEL_xxBROADCOM_BCM5411: 358 brgphy_bcm5411_dspcode(sc); 359 break; 360 } 361 } 362 mii_phy_update(sc, cmd); 363 return (0); 364 } 365 366 static void 367 brgphy_status(struct mii_softc *sc) 368 { 369 struct mii_data *mii = sc->mii_pdata; 370 int bmcr, aux; 371 372 mii->mii_media_status = IFM_AVALID; 373 mii->mii_media_active = IFM_ETHER; 374 375 aux = PHY_READ(sc, BRGPHY_MII_AUXSTS); 376 if (aux & BRGPHY_AUXSTS_LINK) 377 mii->mii_media_status |= IFM_ACTIVE; 378 379 bmcr = PHY_READ(sc, BRGPHY_MII_BMCR); 380 if (bmcr & BRGPHY_BMCR_LOOP) 381 mii->mii_media_active |= IFM_LOOP; 382 383 if (bmcr & BRGPHY_BMCR_AUTOEN) { 384 if ((PHY_READ(sc, BRGPHY_MII_BMSR) & BRGPHY_BMSR_ACOMP) == 0) { 385 /* Erg, still trying, I guess... */ 386 mii->mii_media_active |= IFM_NONE; 387 return; 388 } 389 390 switch (aux & BRGPHY_AUXSTS_AN_RES) { 391 case BRGPHY_RES_1000FD: 392 mii->mii_media_active |= IFM_1000_T | IFM_FDX; 393 break; 394 case BRGPHY_RES_1000HD: 395 mii->mii_media_active |= IFM_1000_T | IFM_HDX; 396 break; 397 case BRGPHY_RES_100FD: 398 mii->mii_media_active |= IFM_100_TX | IFM_FDX; 399 break; 400 case BRGPHY_RES_100T4: 401 mii->mii_media_active |= IFM_100_T4; 402 break; 403 case BRGPHY_RES_100HD: 404 mii->mii_media_active |= IFM_100_TX | IFM_HDX; 405 break; 406 case BRGPHY_RES_10FD: 407 mii->mii_media_active |= IFM_10_T | IFM_FDX; 408 break; 409 case BRGPHY_RES_10HD: 410 mii->mii_media_active |= IFM_10_T | IFM_HDX; 411 break; 412 default: 413 mii->mii_media_active |= IFM_NONE; 414 break; 415 } 416 } else { 417 mii->mii_media_active = mii->mii_media.ifm_cur->ifm_media; 418 } 419 } 420 421 422 static void 423 brgphy_mii_phy_auto(struct mii_softc *sc) 424 { 425 int ktcr = 0; 426 427 brgphy_loop(sc); 428 brgphy_reset(sc); 429 ktcr = BRGPHY_1000CTL_AFD|BRGPHY_1000CTL_AHD; 430 if (sc->mii_model == MII_MODEL_xxBROADCOM_BCM5701) 431 ktcr |= BRGPHY_1000CTL_MSE|BRGPHY_1000CTL_MSC; 432 PHY_WRITE(sc, BRGPHY_MII_1000CTL, ktcr); 433 ktcr = PHY_READ(sc, BRGPHY_MII_1000CTL); 434 DELAY(1000); 435 PHY_WRITE(sc, BRGPHY_MII_ANAR, 436 BMSR_MEDIA_TO_ANAR(sc->mii_capabilities) | ANAR_CSMA); 437 DELAY(1000); 438 PHY_WRITE(sc, BRGPHY_MII_BMCR, 439 BRGPHY_BMCR_AUTOEN | BRGPHY_BMCR_STARTNEG); 440 PHY_WRITE(sc, BRGPHY_MII_IMR, 0xFF00); 441 } 442 443 static void 444 brgphy_loop(struct mii_softc *sc) 445 { 446 uint32_t bmsr; 447 int i; 448 449 PHY_WRITE(sc, BRGPHY_MII_BMCR, BRGPHY_BMCR_LOOP); 450 for (i = 0; i < 15000; i++) { 451 bmsr = PHY_READ(sc, BRGPHY_MII_BMSR); 452 if (!(bmsr & BRGPHY_BMSR_LINK)) 453 break; 454 DELAY(10); 455 } 456 } 457 458 static void 459 brgphy_reset(struct mii_softc *sc) 460 { 461 struct ifnet *ifp; 462 463 mii_phy_reset(sc); 464 465 switch (sc->mii_model) { 466 case MII_MODEL_xxBROADCOM_BCM5400: 467 brgphy_bcm5401_dspcode(sc); 468 break; 469 case MII_MODEL_xxBROADCOM_BCM5401: 470 if (sc->mii_rev == 1 || sc->mii_rev == 3) 471 brgphy_bcm5401_dspcode(sc); 472 break; 473 case MII_MODEL_xxBROADCOM_BCM5411: 474 brgphy_bcm5411_dspcode(sc); 475 break; 476 case MII_MODEL_xxBROADCOM_BCM5421: 477 brgphy_bcm5421_dspcode(sc); 478 break; 479 case MII_MODEL_xxBROADCOM_BCM54K2: 480 brgphy_bcm54k2_dspcode(sc); 481 break; 482 } 483 484 ifp = sc->mii_pdata->mii_ifp; 485 if (strncmp(ifp->if_xname, "bge", 3) == 0) { 486 struct bge_softc *bge_sc = ifp->if_softc; 487 488 if (bge_sc->bge_flags & BGE_FLAG_ADC_BUG) 489 brgphy_adc_bug(sc); 490 if (bge_sc->bge_flags & BGE_FLAG_5704_A0_BUG) 491 brgphy_5704_a0_bug(sc); 492 if (bge_sc->bge_flags & BGE_FLAG_BER_BUG) { 493 brgphy_ber_bug(sc); 494 } else if (bge_sc->bge_flags & BGE_FLAG_JITTER_BUG) { 495 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x0c00); 496 PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG, 0x000a); 497 498 if (bge_sc->bge_flags & BGE_FLAG_ADJUST_TRIM) { 499 PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, 0x110b); 500 PHY_WRITE(sc, BRGPHY_TEST1, 501 BRGPHY_TEST1_TRIM_EN | 0x4); 502 } else { 503 PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, 0x010b); 504 } 505 506 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x0400); 507 } 508 if (bge_sc->bge_flags & BGE_FLAG_CRC_BUG) 509 brgphy_crc_bug(sc); 510 511 /* Set Jumbo frame settings in the PHY. */ 512 brgphy_jumbo_settings(sc, ifp->if_mtu); 513 514 /* Enable Ethernet@Wirespeed */ 515 if (bge_sc->bge_flags & BGE_FLAG_ETH_WIRESPEED) 516 brgphy_eth_wirespeed(sc); 517 518 /* Enable Link LED on Dell boxes */ 519 if (bge_sc->bge_flags & BGE_FLAG_NO_3LED) { 520 PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL, 521 PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL) 522 & ~BRGPHY_PHY_EXTCTL_3_LED); 523 } 524 } else if (strncmp(ifp->if_xname, "bce", 3) == 0) { 525 brgphy_ber_bug(sc); 526 brgphy_jumbo_settings(sc, ifp->if_mtu); 527 brgphy_eth_wirespeed(sc); 528 } 529 } 530 531 /* Turn off tap power management on 5401. */ 532 static void 533 brgphy_bcm5401_dspcode(struct mii_softc *sc) 534 { 535 static const struct { 536 int reg; 537 uint16_t val; 538 } dspcode[] = { 539 { BRGPHY_MII_AUXCTL, 0x0c20 }, 540 { BRGPHY_MII_DSP_ADDR_REG, 0x0012 }, 541 { BRGPHY_MII_DSP_RW_PORT, 0x1804 }, 542 { BRGPHY_MII_DSP_ADDR_REG, 0x0013 }, 543 { BRGPHY_MII_DSP_RW_PORT, 0x1204 }, 544 { BRGPHY_MII_DSP_ADDR_REG, 0x8006 }, 545 { BRGPHY_MII_DSP_RW_PORT, 0x0132 }, 546 { BRGPHY_MII_DSP_ADDR_REG, 0x8006 }, 547 { BRGPHY_MII_DSP_RW_PORT, 0x0232 }, 548 { BRGPHY_MII_DSP_ADDR_REG, 0x201f }, 549 { BRGPHY_MII_DSP_RW_PORT, 0x0a20 }, 550 { 0, 0 }, 551 }; 552 int i; 553 554 for (i = 0; dspcode[i].reg != 0; i++) 555 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); 556 DELAY(40); 557 } 558 559 /* Setting some undocumented voltage */ 560 static void 561 brgphy_bcm5411_dspcode(struct mii_softc *sc) 562 { 563 static const struct { 564 int reg; 565 uint16_t val; 566 } dspcode[] = { 567 { 0x1c, 0x8c23 }, 568 { 0x1c, 0x8ca3 }, 569 { 0x1c, 0x8c23 }, 570 { 0, 0 }, 571 }; 572 int i; 573 574 for (i = 0; dspcode[i].reg != 0; i++) 575 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); 576 } 577 578 static void 579 brgphy_bcm5421_dspcode(struct mii_softc *sc) 580 { 581 uint16_t data; 582 583 /* Set Class A mode */ 584 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x1007); 585 data = PHY_READ(sc, BRGPHY_MII_AUXCTL); 586 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, data | 0x0400); 587 588 /* Set FFE gamma override to -0.125 */ 589 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x0007); 590 data = PHY_READ(sc, BRGPHY_MII_AUXCTL); 591 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, data | 0x0800); 592 PHY_WRITE(sc, BRGPHY_MII_DSP_ADDR_REG, 0x000a); 593 data = PHY_READ(sc, BRGPHY_MII_DSP_RW_PORT); 594 PHY_WRITE(sc, BRGPHY_MII_DSP_RW_PORT, data | 0x0200); 595 } 596 597 static void 598 brgphy_bcm54k2_dspcode(struct mii_softc *sc) 599 { 600 static const struct { 601 int reg; 602 uint16_t val; 603 } dspcode[] = { 604 { 4, 0x01e1 }, 605 { 9, 0x0300 }, 606 { 0, 0 }, 607 }; 608 int i; 609 610 for (i = 0; dspcode[i].reg != 0; i++) 611 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); 612 } 613 614 static void 615 brgphy_adc_bug(struct mii_softc *sc) 616 { 617 static const struct { 618 int reg; 619 uint16_t val; 620 } dspcode[] = { 621 { BRGPHY_MII_AUXCTL, 0x0c00 }, 622 { BRGPHY_MII_DSP_ADDR_REG, 0x201f }, 623 { BRGPHY_MII_DSP_RW_PORT, 0x2aaa }, 624 { BRGPHY_MII_DSP_ADDR_REG, 0x000a }, 625 { BRGPHY_MII_DSP_RW_PORT, 0x0323 }, 626 { BRGPHY_MII_AUXCTL, 0x0400 }, 627 { 0, 0 }, 628 }; 629 int i; 630 631 for (i = 0; dspcode[i].reg != 0; i++) 632 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); 633 } 634 635 static void 636 brgphy_5704_a0_bug(struct mii_softc *sc) 637 { 638 static const struct { 639 int reg; 640 u_int16_t val; 641 } dspcode[] = { 642 { 0x1c, 0x8d68 }, 643 { 0x1c, 0x8d68 }, 644 { 0, 0 }, 645 }; 646 int i; 647 648 for (i = 0; dspcode[i].reg != 0; i++) 649 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); 650 } 651 652 static void 653 brgphy_ber_bug(struct mii_softc *sc) 654 { 655 static const struct { 656 int reg; 657 uint16_t val; 658 } dspcode[] = { 659 { BRGPHY_MII_AUXCTL, 0x0c00 }, 660 { BRGPHY_MII_DSP_ADDR_REG, 0x000a }, 661 { BRGPHY_MII_DSP_RW_PORT, 0x310b }, 662 { BRGPHY_MII_DSP_ADDR_REG, 0x201f }, 663 { BRGPHY_MII_DSP_RW_PORT, 0x9506 }, 664 { BRGPHY_MII_DSP_ADDR_REG, 0x401f }, 665 { BRGPHY_MII_DSP_RW_PORT, 0x14e2 }, 666 { BRGPHY_MII_AUXCTL, 0x0400 }, 667 { 0, 0 }, 668 }; 669 int i; 670 671 for (i = 0; dspcode[i].reg != 0; i++) 672 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); 673 } 674 675 static void 676 brgphy_crc_bug(struct mii_softc *sc) 677 { 678 static const struct { 679 int reg; 680 uint16_t val; 681 } dspcode[] = { 682 { BRGPHY_MII_DSP_ADDR_REG, 0x0a75 }, 683 { 0x1c, 0x8c68 }, 684 { 0x1c, 0x8d68 }, 685 { 0x1c, 0x8c68 }, 686 { 0, 0 }, 687 }; 688 int i; 689 690 for (i = 0; dspcode[i].reg != 0; i++) 691 PHY_WRITE(sc, dspcode[i].reg, dspcode[i].val); 692 } 693 694 static void 695 brgphy_jumbo_settings(struct mii_softc *sc, u_long mtu) 696 { 697 uint32_t val; 698 699 /* Set or clear jumbo frame settings in the PHY. */ 700 if (mtu > ETHER_MAX_LEN) { 701 if (sc->mii_model == MII_MODEL_xxBROADCOM_BCM5401) { 702 /* BCM5401 PHY cannot read-modify-write. */ 703 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x4c20); 704 } else { 705 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7); 706 val = PHY_READ(sc, BRGPHY_MII_AUXCTL); 707 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 708 val | BRGPHY_AUXCTL_LONG_PKT); 709 } 710 711 val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL); 712 PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL, 713 val | BRGPHY_PHY_EXTCTL_HIGH_LA); 714 } else { 715 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7); 716 val = PHY_READ(sc, BRGPHY_MII_AUXCTL); 717 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 718 val & ~(BRGPHY_AUXCTL_LONG_PKT | 0x7)); 719 720 val = PHY_READ(sc, BRGPHY_MII_PHY_EXTCTL); 721 PHY_WRITE(sc, BRGPHY_MII_PHY_EXTCTL, 722 val & ~BRGPHY_PHY_EXTCTL_HIGH_LA); 723 } 724 } 725 726 static void 727 brgphy_eth_wirespeed(struct mii_softc *sc) 728 { 729 u_int32_t val; 730 731 /* Enable Ethernet@Wirespeed */ 732 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, 0x7007); 733 val = PHY_READ(sc, BRGPHY_MII_AUXCTL); 734 PHY_WRITE(sc, BRGPHY_MII_AUXCTL, (val | (1 << 15) | (1 << 4))); 735 } 736