1 /* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */ 2 3 /* $FreeBSD: src/sys/pci/if_de.c,v 1.123.2.4 2000/08/04 23:25:09 peter Exp $ */ 4 /* $DragonFly: src/sys/dev/netif/de/if_de.c,v 1.49 2008/08/17 04:32:33 sephe Exp $ */ 5 6 /*- 7 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 * Id: if_de.c,v 1.94 1997/07/03 16:55:07 thomas Exp 30 * 31 */ 32 33 /* 34 * DEC 21040 PCI Ethernet Controller 35 * 36 * Written by Matt Thomas 37 * BPF support code stolen directly from if_ec.c 38 * 39 * This driver supports the DEC DE435 or any other PCI 40 * board which support 21040, 21041, or 21140 (mostly). 41 */ 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/mbuf.h> 46 #include <sys/socket.h> 47 #include <sys/sockio.h> 48 #include <sys/malloc.h> 49 #include <sys/kernel.h> 50 #include <sys/eventhandler.h> 51 #include <sys/bus.h> 52 #include <sys/rman.h> 53 #include <sys/thread2.h> 54 #include <sys/interrupt.h> 55 56 #include "opt_inet.h" 57 #include "opt_ipx.h" 58 59 #include <net/if.h> 60 #include <net/if_media.h> 61 #include <net/if_dl.h> 62 #include <net/ifq_var.h> 63 #include <net/bpf.h> 64 65 #ifdef INET 66 #include <netinet/in.h> 67 #include <netinet/if_ether.h> 68 #endif 69 70 #ifdef IPX 71 #include <netproto/ipx/ipx.h> 72 #include <netproto/ipx/ipx_if.h> 73 #endif 74 75 #include <vm/vm.h> 76 77 #include <net/if_var.h> 78 #include <vm/pmap.h> 79 #include <bus/pci/pcivar.h> 80 #include <bus/pci/pcireg.h> 81 #include <bus/pci/dc21040reg.h> 82 83 /* 84 * Intel CPUs should use I/O mapped access. 85 */ 86 #if defined(__i386__) 87 #define TULIP_IOMAPPED 88 #endif 89 90 #define TULIP_HZ 10 91 92 #include "if_devar.h" 93 94 static tulip_softc_t *tulips[TULIP_MAX_DEVICES]; 95 96 /* 97 * This module supports 98 * the DEC 21040 PCI Ethernet Controller. 99 * the DEC 21041 PCI Ethernet Controller. 100 * the DEC 21140 PCI Fast Ethernet Controller. 101 */ 102 static void tulip_mii_autonegotiate(tulip_softc_t *, u_int); 103 static void tulip_intr_shared(void *); 104 static void tulip_intr_normal(void *); 105 static void tulip_init(tulip_softc_t *); 106 static void tulip_reset(tulip_softc_t *); 107 static void tulip_ifstart(struct ifnet *); 108 static struct mbuf *tulip_txput(tulip_softc_t *, struct mbuf *); 109 static void tulip_txput_setup(tulip_softc_t *); 110 static void tulip_rx_intr(tulip_softc_t *); 111 static void tulip_addr_filter(tulip_softc_t *); 112 static u_int tulip_mii_readreg(tulip_softc_t *, u_int, u_int); 113 static void tulip_mii_writereg(tulip_softc_t *, u_int, u_int, u_int); 114 static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 115 static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t *); 116 static int tulip_srom_decode(tulip_softc_t *); 117 static int tulip_ifmedia_change(struct ifnet *); 118 static void tulip_ifmedia_status(struct ifnet *, struct ifmediareq *); 119 /* static void tulip_21140_map_media(tulip_softc_t *sc); */ 120 121 static void 122 tulip_timeout_callback(void *arg) 123 { 124 tulip_softc_t *sc = arg; 125 126 lwkt_serialize_enter(sc->tulip_if.if_serializer); 127 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 128 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 129 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 130 lwkt_serialize_exit(sc->tulip_if.if_serializer); 131 } 132 133 static void 134 tulip_timeout(tulip_softc_t *sc) 135 { 136 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 137 return; 138 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 139 callout_reset(&sc->tulip_timer, (hz + TULIP_HZ / 2) / TULIP_HZ, 140 tulip_timeout_callback, sc); 141 } 142 143 static int 144 tulip_txprobe(tulip_softc_t *sc) 145 { 146 struct mbuf *m; 147 148 /* 149 * Before we are sure this is the right media we need 150 * to send a small packet to make sure there's carrier. 151 * Strangely, BNC and AUI will "see" receive data if 152 * either is connected so the transmit is the only way 153 * to verify the connectivity. 154 */ 155 MGETHDR(m, MB_DONTWAIT, MT_DATA); 156 if (m == NULL) 157 return 0; 158 /* 159 * Construct a LLC TEST message which will point to ourselves. 160 */ 161 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6); 162 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6); 163 mtod(m, struct ether_header *)->ether_type = htons(3); 164 mtod(m, unsigned char *)[14] = 0; 165 mtod(m, unsigned char *)[15] = 0; 166 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 167 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 168 /* 169 * send it! 170 */ 171 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 172 sc->tulip_intrmask |= TULIP_STS_TXINTR; 173 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 174 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 175 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 176 if ((m = tulip_txput(sc, m)) != NULL) 177 m_freem(m); 178 sc->tulip_probe.probe_txprobes++; 179 return 1; 180 } 181 182 #ifdef BIG_PACKET 183 #define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0) 184 #else 185 #define TULIP_SIAGEN_WATCHDOG 0 186 #endif 187 188 static void 189 tulip_media_set(tulip_softc_t *sc, tulip_media_t media) 190 { 191 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 192 193 if (mi == NULL) 194 return; 195 196 /* 197 * If we are switching media, make sure we don't think there's 198 * any stale RX activity 199 */ 200 sc->tulip_flags &= ~TULIP_RXACT; 201 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 202 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 203 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 204 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 205 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 206 DELAY(50); 207 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 208 } else { 209 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 210 } 211 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 212 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 213 #define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 214 /* 215 * If the cmdmode bits don't match the currently operating mode, 216 * set the cmdmode appropriately and reset the chip. 217 */ 218 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 219 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 220 sc->tulip_cmdmode |= mi->mi_cmdmode; 221 tulip_reset(sc); 222 } 223 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 224 DELAY(10); 225 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 226 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 227 /* 228 * If the cmdmode bits don't match the currently operating mode, 229 * set the cmdmode appropriately and reset the chip. 230 */ 231 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 232 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 233 sc->tulip_cmdmode |= mi->mi_cmdmode; 234 tulip_reset(sc); 235 } 236 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 237 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 238 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 239 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 240 int idx; 241 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 242 const u_int8_t *dp; 243 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 244 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 245 DELAY(10); 246 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 247 } 248 sc->tulip_phyaddr = mi->mi_phyaddr; 249 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 250 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 251 DELAY(10); 252 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 253 } 254 } else { 255 for (idx = 0; idx < mi->mi_reset_length; idx++) { 256 DELAY(10); 257 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 258 } 259 sc->tulip_phyaddr = mi->mi_phyaddr; 260 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 261 DELAY(10); 262 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 263 } 264 } 265 if (sc->tulip_flags & TULIP_TRYNWAY) { 266 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 267 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 268 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 269 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 270 sc->tulip_flags &= ~TULIP_DIDNWAY; 271 if (TULIP_IS_MEDIA_FD(media)) 272 data |= PHYCTL_FULL_DUPLEX; 273 if (TULIP_IS_MEDIA_100MB(media)) 274 data |= PHYCTL_SELECT_100MB; 275 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 276 } 277 } 278 } 279 280 static void 281 tulip_linkup(tulip_softc_t *sc, tulip_media_t media) 282 { 283 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 284 sc->tulip_flags |= TULIP_PRINTLINKUP; 285 sc->tulip_flags |= TULIP_LINKUP; 286 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 287 #if 0 /* XXX how does with work with ifmedia? */ 288 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 289 if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { 290 if (TULIP_CAN_MEDIA_FD(media) 291 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 292 media = TULIP_FD_MEDIA_OF(media); 293 } else { 294 if (TULIP_IS_MEDIA_FD(media) 295 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 296 media = TULIP_HD_MEDIA_OF(media); 297 } 298 } 299 #endif 300 if (sc->tulip_media != media) { 301 sc->tulip_media = media; 302 sc->tulip_flags |= TULIP_PRINTMEDIA; 303 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 304 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 305 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 306 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 307 } 308 } 309 /* 310 * We could set probe_timeout to 0 but setting to 3000 puts this 311 * in one central place and the only matters is tulip_link is 312 * followed by a tulip_timeout. Therefore setting it should not 313 * result in aberrant behavour. 314 */ 315 sc->tulip_probe_timeout = 3000; 316 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 317 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 318 if (sc->tulip_flags & TULIP_INRESET) { 319 tulip_media_set(sc, sc->tulip_media); 320 } else if (sc->tulip_probe_media != sc->tulip_media) { 321 /* 322 * No reason to change media if we have the right media. 323 */ 324 tulip_reset(sc); 325 } 326 tulip_init(sc); 327 } 328 329 static void 330 tulip_media_print(tulip_softc_t *sc) 331 { 332 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 333 return; 334 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 335 if_printf(&sc->tulip_if, "enabling %s port\n", 336 tulip_mediums[sc->tulip_media]); 337 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 338 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 339 if_printf(&sc->tulip_if, "link up\n"); 340 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 341 } 342 } 343 344 #if defined(TULIP_DO_GPR_SENSE) 345 static tulip_media_t 346 tulip_21140_gpr_media_sense(tulip_softc_t *sc) 347 { 348 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 349 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 350 tulip_media_t media; 351 352 /* 353 * If one of the media blocks contained a default media flag, 354 * use that. 355 */ 356 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 357 const tulip_media_info_t *mi; 358 /* 359 * Media is not supported (or is full-duplex). 360 */ 361 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 362 continue; 363 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 364 continue; 365 366 /* 367 * Remember the media is this is the "default" media. 368 */ 369 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 370 maybe_media = media; 371 372 /* 373 * No activity mask? Can't see if it is active if there's no mask. 374 */ 375 if (mi->mi_actmask == 0) 376 continue; 377 378 /* 379 * Does the activity data match? 380 */ 381 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 382 continue; 383 384 /* 385 * It does! If this is the first media we detected, then 386 * remember this media. If isn't the first, then there were 387 * multiple matches which we equate to no match (since we don't 388 * which to select (if any). 389 */ 390 if (last_media == TULIP_MEDIA_UNKNOWN) { 391 last_media = media; 392 } else if (last_media != media) { 393 last_media = TULIP_MEDIA_UNKNOWN; 394 } 395 } 396 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 397 } 398 #endif /* TULIP_DO_GPR_SENSE */ 399 400 static tulip_link_status_t 401 tulip_media_link_monitor(tulip_softc_t *sc) 402 { 403 const tulip_media_info_t *mi = sc->tulip_mediums[sc->tulip_media]; 404 tulip_link_status_t linkup = TULIP_LINK_DOWN; 405 406 if (mi == NULL) { 407 #if defined(DIAGNOSTIC) 408 panic("tulip_media_link_monitor: %s: botch at line %d\n", 409 tulip_mediums[sc->tulip_media],__LINE__); 410 #endif 411 return TULIP_LINK_UNKNOWN; 412 } 413 414 415 /* 416 * Have we seen some packets? If so, the link must be good. 417 */ 418 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 419 sc->tulip_flags &= ~TULIP_RXACT; 420 sc->tulip_probe_timeout = 3000; 421 return TULIP_LINK_UP; 422 } 423 424 sc->tulip_flags &= ~TULIP_RXACT; 425 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 426 u_int32_t status; 427 /* 428 * Read the PHY status register. 429 */ 430 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 431 if (status & PHYSTS_AUTONEG_DONE) { 432 /* 433 * If the PHY has completed autonegotiation, see the if the 434 * remote systems abilities have changed. If so, upgrade or 435 * downgrade as appropriate. 436 */ 437 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 438 abilities = (abilities << 6) & status; 439 if (abilities != sc->tulip_abilities) { 440 if (tulip_mii_map_abilities(sc, abilities)) { 441 tulip_linkup(sc, sc->tulip_probe_media); 442 return TULIP_LINK_UP; 443 } 444 /* 445 * if we had selected media because of autonegotiation, 446 * we need to probe for the new media. 447 */ 448 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 449 if (sc->tulip_flags & TULIP_DIDNWAY) 450 return TULIP_LINK_DOWN; 451 } 452 } 453 /* 454 * The link is now up. If was down, say its back up. 455 */ 456 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 457 linkup = TULIP_LINK_UP; 458 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 459 /* 460 * No activity sensor? Assume all's well. 461 */ 462 if (mi->mi_actmask == 0) 463 return TULIP_LINK_UNKNOWN; 464 /* 465 * Does the activity data match? 466 */ 467 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 468 linkup = TULIP_LINK_UP; 469 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 470 /* 471 * Assume non TP ok for now. 472 */ 473 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 474 return TULIP_LINK_UNKNOWN; 475 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 476 linkup = TULIP_LINK_UP; 477 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 478 return TULIP_LINK_UNKNOWN; 479 } 480 /* 481 * We will wait for 3 seconds until the link goes into suspect mode. 482 */ 483 if (sc->tulip_flags & TULIP_LINKUP) { 484 if (linkup == TULIP_LINK_UP) 485 sc->tulip_probe_timeout = 3000; 486 if (sc->tulip_probe_timeout > 0) 487 return TULIP_LINK_UP; 488 489 sc->tulip_flags &= ~TULIP_LINKUP; 490 if_printf(&sc->tulip_if, "link down: cable problem?\n"); 491 } 492 return TULIP_LINK_DOWN; 493 } 494 495 static void 496 tulip_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event) 497 { 498 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 499 && event == TULIP_MEDIAPOLL_TIMER) { 500 switch (tulip_media_link_monitor(sc)) { 501 case TULIP_LINK_DOWN: { 502 /* 503 * Link Monitor failed. Probe for new media. 504 */ 505 event = TULIP_MEDIAPOLL_LINKFAIL; 506 break; 507 } 508 case TULIP_LINK_UP: { 509 /* 510 * Check again soon. 511 */ 512 tulip_timeout(sc); 513 return; 514 } 515 case TULIP_LINK_UNKNOWN: { 516 /* 517 * We can't tell so don't bother. 518 */ 519 return; 520 } 521 } 522 } 523 524 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 525 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 526 if (TULIP_DO_AUTOSENSE(sc)) { 527 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 528 if (sc->tulip_if.if_flags & IFF_UP) 529 tulip_reset(sc); /* restart probe */ 530 } 531 return; 532 } 533 } 534 535 if (event == TULIP_MEDIAPOLL_START) { 536 sc->tulip_if.if_flags |= IFF_OACTIVE; 537 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 538 return; 539 sc->tulip_probe_mediamask = 0; 540 sc->tulip_probe_passes = 0; 541 /* 542 * If the SROM contained an explicit media to use, use it. 543 */ 544 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 545 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 546 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 547 /* 548 * connidx is defaulted to a media_unknown type. 549 */ 550 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 551 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 552 tulip_linkup(sc, sc->tulip_probe_media); 553 tulip_timeout(sc); 554 return; 555 } 556 557 if (sc->tulip_features & TULIP_HAVE_GPR) { 558 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 559 sc->tulip_probe_timeout = 2000; 560 } else { 561 sc->tulip_probe_media = TULIP_MEDIA_MAX; 562 sc->tulip_probe_timeout = 0; 563 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 564 } 565 } 566 567 /* 568 * Ignore txprobe failures or spurious callbacks. 569 */ 570 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 571 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 572 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 573 return; 574 } 575 576 /* 577 * If we really transmitted a packet, then that's the media we'll use. 578 */ 579 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 580 if (event == TULIP_MEDIAPOLL_LINKPASS) { 581 /* XXX Check media status just to be sure */ 582 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 583 } 584 tulip_linkup(sc, sc->tulip_probe_media); 585 tulip_timeout(sc); 586 return; 587 } 588 589 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 590 #if defined(TULIP_DO_GPR_SENSE) 591 /* 592 * Check for media via the general purpose register. 593 * 594 * Try to sense the media via the GPR. If the same value 595 * occurs 3 times in a row then just use that. 596 */ 597 if (sc->tulip_probe_timeout > 0) { 598 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 599 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 600 if (new_probe_media == sc->tulip_probe_media) { 601 if (--sc->tulip_probe_count == 0) 602 tulip_linkup(sc, sc->tulip_probe_media); 603 } else { 604 sc->tulip_probe_count = 10; 605 } 606 } 607 sc->tulip_probe_media = new_probe_media; 608 tulip_timeout(sc); 609 return; 610 } 611 #endif /* TULIP_DO_GPR_SENSE */ 612 /* 613 * Brute force. We cycle through each of the media types 614 * and try to transmit a packet. 615 */ 616 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 617 sc->tulip_probe_media = TULIP_MEDIA_MAX; 618 sc->tulip_probe_timeout = 0; 619 tulip_timeout(sc); 620 return; 621 } 622 623 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 624 && (sc->tulip_features & TULIP_HAVE_MII)) { 625 tulip_media_t old_media = sc->tulip_probe_media; 626 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 627 switch (sc->tulip_probe_state) { 628 case TULIP_PROBE_FAILED: 629 case TULIP_PROBE_MEDIATEST: { 630 /* 631 * Try the next media. 632 */ 633 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 634 sc->tulip_probe_timeout = 0; 635 #ifdef notyet 636 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 637 break; 638 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 639 break; 640 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 641 #endif 642 break; 643 } 644 case TULIP_PROBE_PHYAUTONEG: { 645 return; 646 } 647 case TULIP_PROBE_INACTIVE: { 648 /* 649 * Only probe if we autonegotiated a media that hasn't failed. 650 */ 651 sc->tulip_probe_timeout = 0; 652 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 653 sc->tulip_probe_media = old_media; 654 break; 655 } 656 tulip_linkup(sc, sc->tulip_probe_media); 657 tulip_timeout(sc); 658 return; 659 } 660 default: { 661 #if defined(DIAGNOSTIC) 662 panic("tulip_media_poll: botch at line %d\n", __LINE__); 663 #endif 664 break; 665 } 666 } 667 } 668 669 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 670 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 671 return; 672 } 673 674 /* 675 * switch to another media if we tried this one enough. 676 */ 677 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 678 /* 679 * Find the next media type to check for. Full Duplex 680 * types are not allowed. 681 */ 682 do { 683 sc->tulip_probe_media -= 1; 684 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 685 if (++sc->tulip_probe_passes == 3) { 686 if_printf(&sc->tulip_if, "autosense failed: cable problem?\n"); 687 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 688 sc->tulip_if.if_flags &= ~IFF_RUNNING; 689 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 690 return; 691 } 692 } 693 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 694 sc->tulip_probe_mediamask = 0; 695 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 696 } 697 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 698 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 699 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 700 701 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 702 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 703 sc->tulip_probe.probe_txprobes = 0; 704 tulip_reset(sc); 705 tulip_media_set(sc, sc->tulip_probe_media); 706 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 707 } 708 tulip_timeout(sc); 709 710 /* 711 * If this is hanging off a phy, we know are doing NWAY and we have 712 * forced the phy to a specific speed. Wait for link up before 713 * before sending a packet. 714 */ 715 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 716 case TULIP_MEDIAINFO_MII: { 717 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 718 return; 719 break; 720 } 721 case TULIP_MEDIAINFO_SIA: { 722 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 723 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 724 return; 725 tulip_linkup(sc, sc->tulip_probe_media); 726 #ifdef notyet 727 if (sc->tulip_features & TULIP_HAVE_MII) 728 tulip_timeout(sc); 729 #endif 730 return; 731 } 732 break; 733 } 734 case TULIP_MEDIAINFO_RESET: 735 case TULIP_MEDIAINFO_SYM: 736 case TULIP_MEDIAINFO_NONE: 737 case TULIP_MEDIAINFO_GPR: { 738 break; 739 } 740 } 741 /* 742 * Try to send a packet. 743 */ 744 tulip_txprobe(sc); 745 } 746 747 static void 748 tulip_media_select(tulip_softc_t *sc) 749 { 750 if (sc->tulip_features & TULIP_HAVE_GPR) { 751 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 752 DELAY(10); 753 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 754 } 755 /* 756 * If this board has no media, just return 757 */ 758 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 759 return; 760 761 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 762 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 763 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 764 } else { 765 tulip_media_set(sc, sc->tulip_media); 766 } 767 } 768 769 static void 770 tulip_21040_mediainfo_init(tulip_softc_t *sc, tulip_media_t media) 771 { 772 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 773 |TULIP_CMD_BACKOFFCTR; 774 sc->tulip_if.if_baudrate = 10000000; 775 776 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 777 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 778 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 779 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 780 } 781 782 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 783 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 784 } 785 786 if (media == TULIP_MEDIA_UNKNOWN) { 787 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 788 } 789 } 790 791 static void 792 tulip_21040_media_probe(tulip_softc_t *sc) 793 { 794 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 795 } 796 797 static void 798 tulip_21040_10baset_only_media_probe(tulip_softc_t *sc) 799 { 800 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 801 tulip_media_set(sc, TULIP_MEDIA_10BASET); 802 sc->tulip_media = TULIP_MEDIA_10BASET; 803 } 804 805 static void 806 tulip_21040_10baset_only_media_select(tulip_softc_t *sc) 807 { 808 sc->tulip_flags |= TULIP_LINKUP; 809 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 810 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 811 sc->tulip_flags &= ~TULIP_SQETEST; 812 } else { 813 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 814 sc->tulip_flags |= TULIP_SQETEST; 815 } 816 tulip_media_set(sc, sc->tulip_media); 817 } 818 819 static void 820 tulip_21040_auibnc_only_media_probe(tulip_softc_t *sc) 821 { 822 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 823 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 824 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 825 sc->tulip_media = TULIP_MEDIA_AUIBNC; 826 } 827 828 static void 829 tulip_21040_auibnc_only_media_select(tulip_softc_t *sc) 830 { 831 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 832 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 833 } 834 835 static const tulip_boardsw_t tulip_21040_boardsw = { 836 TULIP_21040_GENERIC, 837 tulip_21040_media_probe, 838 tulip_media_select, 839 tulip_media_poll, 840 }; 841 842 static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 843 TULIP_21040_GENERIC, 844 tulip_21040_10baset_only_media_probe, 845 tulip_21040_10baset_only_media_select, 846 NULL, 847 }; 848 849 static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 850 TULIP_21040_GENERIC, 851 tulip_21040_auibnc_only_media_probe, 852 tulip_21040_auibnc_only_media_select, 853 NULL, 854 }; 855 856 static void 857 tulip_21041_mediainfo_init(tulip_softc_t *sc) 858 { 859 tulip_media_info_t *mi = sc->tulip_mediainfo; 860 861 #ifdef notyet 862 if (sc->tulip_revinfo >= 0x20) { 863 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 864 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 865 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 866 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 867 return; 868 } 869 #endif 870 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 871 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 872 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 873 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 874 } 875 876 static void 877 tulip_21041_media_probe(tulip_softc_t *sc) 878 { 879 sc->tulip_if.if_baudrate = 10000000; 880 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 881 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 882 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 883 tulip_21041_mediainfo_init(sc); 884 } 885 886 static void 887 tulip_21041_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event) 888 { 889 uint32_t sia_status; 890 891 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 892 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 893 || !TULIP_DO_AUTOSENSE(sc)) 894 return; 895 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 896 tulip_reset(sc); /* start probe */ 897 return; 898 } 899 900 /* 901 * If we've been been asked to start a poll or link change interrupt 902 * restart the probe (and reset the tulip to a known state). 903 */ 904 if (event == TULIP_MEDIAPOLL_START) { 905 sc->tulip_if.if_flags |= IFF_OACTIVE; 906 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 907 #ifdef notyet 908 if (sc->tulip_revinfo >= 0x20) { 909 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 910 sc->tulip_flags |= TULIP_DIDNWAY; 911 } 912 #endif 913 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 914 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 915 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 916 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 917 tulip_media_set(sc, TULIP_MEDIA_10BASET); 918 tulip_timeout(sc); 919 return; 920 } 921 922 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 923 return; 924 925 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 926 tulip_linkup(sc, sc->tulip_probe_media); 927 return; 928 } 929 930 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 931 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 932 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 933 if (sc->tulip_revinfo >= 0x20) { 934 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 935 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 936 } 937 /* 938 * If the link has passed LinkPass, 10baseT is the 939 * proper media to use. 940 */ 941 tulip_linkup(sc, sc->tulip_probe_media); 942 return; 943 } 944 945 /* 946 * wait for up to 2.4 seconds for the link to reach pass state. 947 * Only then start scanning the other media for activity. 948 * choose media with receive activity over those without. 949 */ 950 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 951 if (event != TULIP_MEDIAPOLL_TIMER) 952 return; 953 if (sc->tulip_probe_timeout > 0 954 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 955 tulip_timeout(sc); 956 return; 957 } 958 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 959 sc->tulip_flags |= TULIP_WANTRXACT; 960 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 961 sc->tulip_probe_media = TULIP_MEDIA_BNC; 962 } else { 963 sc->tulip_probe_media = TULIP_MEDIA_AUI; 964 } 965 tulip_media_set(sc, sc->tulip_probe_media); 966 tulip_timeout(sc); 967 return; 968 } 969 970 /* 971 * If we failed, clear the txprobe active flag. 972 */ 973 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 974 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 975 976 977 if (event == TULIP_MEDIAPOLL_TIMER) { 978 /* 979 * If we've received something, then that's our link! 980 */ 981 if (sc->tulip_flags & TULIP_RXACT) { 982 tulip_linkup(sc, sc->tulip_probe_media); 983 return; 984 } 985 /* 986 * if no txprobe active 987 */ 988 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 989 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 990 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 991 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 992 tulip_txprobe(sc); 993 tulip_timeout(sc); 994 return; 995 } 996 /* 997 * Take 2 passes through before deciding to not 998 * wait for receive activity. Then take another 999 * two passes before spitting out a warning. 1000 */ 1001 if (sc->tulip_probe_timeout <= 0) { 1002 if (sc->tulip_flags & TULIP_WANTRXACT) { 1003 sc->tulip_flags &= ~TULIP_WANTRXACT; 1004 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1005 } else { 1006 if_printf(&sc->tulip_if, "autosense failed: cable problem?\n"); 1007 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1008 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1009 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1010 return; 1011 } 1012 } 1013 } 1014 } 1015 1016 /* 1017 * Since this media failed to probe, try the other one. 1018 */ 1019 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1020 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1021 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1022 } else { 1023 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1024 } 1025 tulip_media_set(sc, sc->tulip_probe_media); 1026 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1027 tulip_timeout(sc); 1028 } 1029 1030 static const tulip_boardsw_t tulip_21041_boardsw = { 1031 TULIP_21041_GENERIC, 1032 tulip_21041_media_probe, 1033 tulip_media_select, 1034 tulip_21041_media_poll 1035 }; 1036 1037 static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1038 { 0x20005c00, 0, /* 08-00-17 */ 1039 { 1040 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1041 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1042 }, 1043 }, 1044 { 0x0281F400, 0, /* 00-A0-7D */ 1045 { 1046 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1047 { }, /* 100TX */ 1048 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1049 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1050 }, 1051 }, 1052 #if 0 1053 { 0x0015F420, 0, /* 00-A0-7D */ 1054 { 1055 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1056 { }, /* 100TX */ 1057 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1058 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1059 }, 1060 }, 1061 #endif 1062 { 0x0281F400, 0, /* 00-A0-BE */ 1063 { 1064 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1065 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1066 { }, /* 100T4 */ 1067 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1068 }, 1069 }, 1070 { 0 } 1071 }; 1072 1073 static tulip_media_t 1074 tulip_mii_phy_readspecific(tulip_softc_t *sc) 1075 { 1076 const tulip_phy_attr_t *attr; 1077 u_int16_t data; 1078 u_int32_t id; 1079 unsigned idx = 0; 1080 static const tulip_media_t table[] = { 1081 TULIP_MEDIA_UNKNOWN, 1082 TULIP_MEDIA_10BASET, 1083 TULIP_MEDIA_100BASETX, 1084 TULIP_MEDIA_100BASET4, 1085 TULIP_MEDIA_UNKNOWN, 1086 TULIP_MEDIA_10BASET_FD, 1087 TULIP_MEDIA_100BASETX_FD, 1088 TULIP_MEDIA_UNKNOWN 1089 }; 1090 1091 /* 1092 * Don't read phy specific registers if link is not up. 1093 */ 1094 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1095 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1096 return TULIP_MEDIA_UNKNOWN; 1097 1098 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1099 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1100 for (attr = tulip_mii_phy_attrlist;; attr++) { 1101 if (attr->attr_id == 0) 1102 return TULIP_MEDIA_UNKNOWN; 1103 if ((id & ~0x0F) == attr->attr_id) 1104 break; 1105 } 1106 1107 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1108 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_100TX]; 1109 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1110 if ((data & pm->pm_mask) == pm->pm_value) 1111 idx = 2; 1112 } 1113 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1114 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_100T4]; 1115 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1116 if ((data & pm->pm_mask) == pm->pm_value) 1117 idx = 3; 1118 } 1119 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1120 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_10T]; 1121 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1122 if ((data & pm->pm_mask) == pm->pm_value) 1123 idx = 1; 1124 } 1125 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1126 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1127 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1128 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1129 } 1130 return table[idx]; 1131 } 1132 1133 static u_int 1134 tulip_mii_get_phyaddr(tulip_softc_t *sc, u_int offset) 1135 { 1136 u_int phyaddr; 1137 1138 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1139 u_int status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1140 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1141 continue; 1142 if (offset == 0) 1143 return phyaddr; 1144 offset--; 1145 } 1146 if (offset == 0) { 1147 u_int status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1148 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1149 return TULIP_MII_NOPHY; 1150 return 0; 1151 } 1152 return TULIP_MII_NOPHY; 1153 } 1154 1155 static int 1156 tulip_mii_map_abilities(tulip_softc_t *sc, u_int abilities) 1157 { 1158 sc->tulip_abilities = abilities; 1159 if (abilities & PHYSTS_100BASETX_FD) { 1160 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1161 } else if (abilities & PHYSTS_100BASET4) { 1162 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1163 } else if (abilities & PHYSTS_100BASETX) { 1164 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1165 } else if (abilities & PHYSTS_10BASET_FD) { 1166 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1167 } else if (abilities & PHYSTS_10BASET) { 1168 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1169 } else { 1170 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1171 return 0; 1172 } 1173 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1174 return 1; 1175 } 1176 1177 static void 1178 tulip_mii_autonegotiate(tulip_softc_t *sc, u_int phyaddr) 1179 { 1180 switch (sc->tulip_probe_state) { 1181 case TULIP_PROBE_MEDIATEST: 1182 case TULIP_PROBE_INACTIVE: { 1183 sc->tulip_flags |= TULIP_DIDNWAY; 1184 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1185 sc->tulip_probe_timeout = 3000; 1186 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1187 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1188 /* FALL THROUGH */ 1189 } 1190 case TULIP_PROBE_PHYRESET: { 1191 uint32_t status; 1192 uint32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1193 if (data & PHYCTL_RESET) { 1194 if (sc->tulip_probe_timeout > 0) { 1195 tulip_timeout(sc); 1196 return; 1197 } 1198 if_printf(&sc->tulip_if, 1199 "(phy%d): error: reset of PHY never completed!\n", phyaddr); 1200 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1201 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1202 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1203 return; 1204 } 1205 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1206 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1207 sc->tulip_flags &= ~TULIP_DIDNWAY; 1208 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1209 return; 1210 } 1211 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1212 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1213 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1214 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1215 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1216 sc->tulip_probe_timeout = 3000; 1217 /* FALL THROUGH */ 1218 } 1219 case TULIP_PROBE_PHYAUTONEG: { 1220 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1221 u_int32_t data; 1222 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1223 if (sc->tulip_probe_timeout > 0) { 1224 tulip_timeout(sc); 1225 return; 1226 } 1227 sc->tulip_flags &= ~TULIP_DIDNWAY; 1228 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1229 return; 1230 } 1231 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1232 data = (data << 6) & status; 1233 if (!tulip_mii_map_abilities(sc, data)) 1234 sc->tulip_flags &= ~TULIP_DIDNWAY; 1235 return; 1236 } 1237 default: { 1238 #if defined(DIAGNOSTIC) 1239 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1240 #endif 1241 break; 1242 } 1243 } 1244 } 1245 1246 static void 1247 tulip_2114x_media_preset(tulip_softc_t *sc) 1248 { 1249 const tulip_media_info_t *mi = NULL; 1250 tulip_media_t media; 1251 1252 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1253 media = sc->tulip_media; 1254 else 1255 media = sc->tulip_probe_media; 1256 1257 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1258 sc->tulip_flags &= ~TULIP_SQETEST; 1259 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1260 mi = sc->tulip_mediums[media]; 1261 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1262 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1263 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1264 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1265 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1266 sc->tulip_cmdmode |= mi->mi_cmdmode; 1267 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1268 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1269 } 1270 } 1271 switch (media) { 1272 case TULIP_MEDIA_BNC: 1273 case TULIP_MEDIA_AUI: 1274 case TULIP_MEDIA_10BASET: { 1275 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1276 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1277 sc->tulip_if.if_baudrate = 10000000; 1278 sc->tulip_flags |= TULIP_SQETEST; 1279 break; 1280 } 1281 case TULIP_MEDIA_10BASET_FD: { 1282 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1283 sc->tulip_if.if_baudrate = 10000000; 1284 break; 1285 } 1286 case TULIP_MEDIA_100BASEFX: 1287 case TULIP_MEDIA_100BASET4: 1288 case TULIP_MEDIA_100BASETX: { 1289 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1290 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1291 sc->tulip_if.if_baudrate = 100000000; 1292 break; 1293 } 1294 case TULIP_MEDIA_100BASEFX_FD: 1295 case TULIP_MEDIA_100BASETX_FD: { 1296 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1297 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1298 sc->tulip_if.if_baudrate = 100000000; 1299 break; 1300 } 1301 default: { 1302 break; 1303 } 1304 } 1305 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1306 } 1307 1308 /* 1309 ******************************************************************** 1310 * Start of 21140/21140A support which does not use the MII interface 1311 */ 1312 1313 static void 1314 tulip_null_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event) 1315 { 1316 #if defined(DIAGNOSTIC) 1317 if_printf(&sc->tulip_if, "botch(media_poll) at line %d\n", __LINE__); 1318 #endif 1319 } 1320 1321 static void 1322 tulip_21140_mediainit(tulip_softc_t *sc, tulip_media_info_t *mip, 1323 tulip_media_t media, u_int gpdata, u_int cmdmode) 1324 { 1325 sc->tulip_mediums[media] = mip; 1326 mip->mi_type = TULIP_MEDIAINFO_GPR; 1327 mip->mi_cmdmode = cmdmode; 1328 mip->mi_gpdata = gpdata; 1329 } 1330 1331 static void 1332 tulip_21140_evalboard_media_probe(tulip_softc_t *sc) 1333 { 1334 tulip_media_info_t *mip = sc->tulip_mediainfo; 1335 1336 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1337 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1338 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1339 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1340 TULIP_CSR_WRITE(sc, csr_command, 1341 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1342 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1343 TULIP_CSR_WRITE(sc, csr_command, 1344 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1345 DELAY(1000000); 1346 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1347 sc->tulip_media = TULIP_MEDIA_10BASET; 1348 } else { 1349 sc->tulip_media = TULIP_MEDIA_100BASETX; 1350 } 1351 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1352 TULIP_GP_EB_INIT, 1353 TULIP_CMD_TXTHRSHLDCTL); 1354 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1355 TULIP_GP_EB_INIT, 1356 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1357 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1358 TULIP_GP_EB_INIT, 1359 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1360 |TULIP_CMD_SCRAMBLER); 1361 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1362 TULIP_GP_EB_INIT, 1363 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1364 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1365 } 1366 1367 static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1368 TULIP_21140_DEC_EB, 1369 tulip_21140_evalboard_media_probe, 1370 tulip_media_select, 1371 tulip_null_media_poll, 1372 tulip_2114x_media_preset, 1373 }; 1374 1375 static void 1376 tulip_21140_accton_media_probe(tulip_softc_t *sc) 1377 { 1378 tulip_media_info_t *mip = sc->tulip_mediainfo; 1379 u_int gpdata; 1380 1381 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1382 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1383 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1384 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1385 TULIP_CSR_WRITE(sc, csr_command, 1386 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1387 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1388 TULIP_CSR_WRITE(sc, csr_command, 1389 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1390 DELAY(1000000); 1391 gpdata = TULIP_CSR_READ(sc, csr_gp); 1392 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1393 sc->tulip_media = TULIP_MEDIA_10BASET; 1394 } else { 1395 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1396 sc->tulip_media = TULIP_MEDIA_BNC; 1397 } else { 1398 sc->tulip_media = TULIP_MEDIA_100BASETX; 1399 } 1400 } 1401 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1402 TULIP_GP_EN1207_BNC_INIT, 1403 TULIP_CMD_TXTHRSHLDCTL); 1404 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1405 TULIP_GP_EN1207_UTP_INIT, 1406 TULIP_CMD_TXTHRSHLDCTL); 1407 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1408 TULIP_GP_EN1207_UTP_INIT, 1409 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1410 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1411 TULIP_GP_EN1207_100_INIT, 1412 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1413 |TULIP_CMD_SCRAMBLER); 1414 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1415 TULIP_GP_EN1207_100_INIT, 1416 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1417 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1418 } 1419 1420 static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1421 TULIP_21140_EN1207, 1422 tulip_21140_accton_media_probe, 1423 tulip_media_select, 1424 tulip_null_media_poll, 1425 tulip_2114x_media_preset, 1426 }; 1427 1428 static void 1429 tulip_21140_smc9332_media_probe(tulip_softc_t *sc) 1430 { 1431 tulip_media_info_t *mip = sc->tulip_mediainfo; 1432 int idx, cnt = 0; 1433 1434 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1435 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1436 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1437 33MHz that comes to two microseconds but wait a 1438 bit longer anyways) */ 1439 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1440 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1441 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1442 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1443 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1444 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1445 DELAY(200000); 1446 for (idx = 1000; idx > 0; idx--) { 1447 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1448 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1449 if (++cnt > 100) 1450 break; 1451 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1452 break; 1453 } else { 1454 cnt = 0; 1455 } 1456 DELAY(1000); 1457 } 1458 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1459 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1460 TULIP_GP_SMC_9332_INIT, 1461 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1462 |TULIP_CMD_SCRAMBLER); 1463 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1464 TULIP_GP_SMC_9332_INIT, 1465 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1466 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1467 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1468 TULIP_GP_SMC_9332_INIT, 1469 TULIP_CMD_TXTHRSHLDCTL); 1470 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1471 TULIP_GP_SMC_9332_INIT, 1472 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1473 } 1474 1475 static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1476 TULIP_21140_SMC_9332, 1477 tulip_21140_smc9332_media_probe, 1478 tulip_media_select, 1479 tulip_null_media_poll, 1480 tulip_2114x_media_preset, 1481 }; 1482 1483 static void 1484 tulip_21140_cogent_em100_media_probe(tulip_softc_t *sc) 1485 { 1486 tulip_media_info_t *mip = sc->tulip_mediainfo; 1487 uint32_t cmdmode; 1488 1489 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1490 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1491 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1492 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1493 1494 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1495 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1496 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1497 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1498 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1499 1500 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1501 TULIP_GP_EM100_INIT, 1502 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1503 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1504 TULIP_GP_EM100_INIT, 1505 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1506 |TULIP_CMD_FULLDUPLEX); 1507 } else { 1508 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1509 sc->tulip_media = TULIP_MEDIA_100BASETX; 1510 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1511 TULIP_GP_EM100_INIT, 1512 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1513 |TULIP_CMD_SCRAMBLER); 1514 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1515 TULIP_GP_EM100_INIT, 1516 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1517 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1518 } 1519 } 1520 1521 static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1522 TULIP_21140_COGENT_EM100, 1523 tulip_21140_cogent_em100_media_probe, 1524 tulip_media_select, 1525 tulip_null_media_poll, 1526 tulip_2114x_media_preset 1527 }; 1528 1529 static void 1530 tulip_21140_znyx_zx34x_media_probe(tulip_softc_t *sc) 1531 { 1532 tulip_media_info_t *mip = sc->tulip_mediainfo; 1533 int cnt10 = 0, cnt100 = 0, idx; 1534 1535 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1536 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1537 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1538 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1539 TULIP_CSR_WRITE(sc, csr_command, 1540 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1541 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1542 TULIP_CSR_WRITE(sc, csr_command, 1543 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1544 1545 DELAY(200000); 1546 for (idx = 1000; idx > 0; idx--) { 1547 uint32_t csr = TULIP_CSR_READ(sc, csr_gp); 1548 if ((csr & (TULIP_GP_ZX34X_LNKFAIL|TULIP_GP_ZX34X_SYMDET|TULIP_GP_ZX34X_SIGDET)) == (TULIP_GP_ZX34X_LNKFAIL|TULIP_GP_ZX34X_SYMDET|TULIP_GP_ZX34X_SIGDET)) { 1549 if (++cnt100 > 100) 1550 break; 1551 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1552 if (++cnt10 > 100) 1553 break; 1554 } else { 1555 cnt10 = 0; 1556 cnt100 = 0; 1557 } 1558 DELAY(1000); 1559 } 1560 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1561 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1562 TULIP_GP_ZX34X_INIT, 1563 TULIP_CMD_TXTHRSHLDCTL); 1564 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1565 TULIP_GP_ZX34X_INIT, 1566 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1567 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1568 TULIP_GP_ZX34X_INIT, 1569 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1570 |TULIP_CMD_SCRAMBLER); 1571 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1572 TULIP_GP_ZX34X_INIT, 1573 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1574 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1575 } 1576 1577 static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1578 TULIP_21140_ZNYX_ZX34X, 1579 tulip_21140_znyx_zx34x_media_probe, 1580 tulip_media_select, 1581 tulip_null_media_poll, 1582 tulip_2114x_media_preset, 1583 }; 1584 1585 static void 1586 tulip_2114x_media_probe(tulip_softc_t *sc) 1587 { 1588 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE | TULIP_CMD_BACKOFFCTR | 1589 TULIP_CMD_THRSHLD72; 1590 } 1591 1592 static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1593 TULIP_21140_ISV, 1594 tulip_2114x_media_probe, 1595 tulip_media_select, 1596 tulip_media_poll, 1597 tulip_2114x_media_preset, 1598 }; 1599 1600 /* 1601 * ******** END of chip-specific handlers. *********** 1602 */ 1603 1604 /* 1605 * Code the read the SROM and MII bit streams (I2C) 1606 */ 1607 #define EMIT do { \ 1608 TULIP_CSR_WRITE(sc, csr_srom_mii, csr); \ 1609 DELAY(1); \ 1610 } while (0) 1611 1612 static void 1613 tulip_srom_idle(tulip_softc_t *sc) 1614 { 1615 u_int bit, csr; 1616 1617 csr = SROMSEL ; EMIT; 1618 csr = SROMSEL | SROMRD; EMIT; 1619 csr ^= SROMCS; EMIT; 1620 csr ^= SROMCLKON; EMIT; 1621 1622 /* 1623 * Write 25 cycles of 0 which will force the SROM to be idle. 1624 */ 1625 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1626 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1627 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1628 } 1629 csr ^= SROMCLKOFF; EMIT; 1630 csr ^= SROMCS; EMIT; 1631 csr = 0; EMIT; 1632 } 1633 1634 1635 static void 1636 tulip_srom_read(tulip_softc_t *sc) 1637 { 1638 const u_int bitwidth = SROM_BITWIDTH; 1639 const u_int cmdmask = (SROMCMD_RD << bitwidth); 1640 const u_int msb = 1 << (bitwidth + 3 - 1); 1641 u_int idx, lastidx = (1 << bitwidth) - 1; 1642 1643 tulip_srom_idle(sc); 1644 1645 for (idx = 0; idx <= lastidx; idx++) { 1646 u_int lastbit, data, bits, bit, csr; 1647 csr = SROMSEL ; EMIT; 1648 csr = SROMSEL | SROMRD; EMIT; 1649 csr ^= SROMCSON; EMIT; 1650 csr ^= SROMCLKON; EMIT; 1651 1652 lastbit = 0; 1653 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1654 u_int thisbit = bits & msb; 1655 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1656 if (thisbit != lastbit) { 1657 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1658 } else { 1659 EMIT; 1660 } 1661 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1662 lastbit = thisbit; 1663 } 1664 csr ^= SROMCLKOFF; EMIT; 1665 1666 for (data = 0, bits = 0; bits < 16; bits++) { 1667 data <<= 1; 1668 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1669 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1670 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1671 } 1672 sc->tulip_rombuf[idx*2] = data & 0xFF; 1673 sc->tulip_rombuf[idx*2+1] = data >> 8; 1674 csr = SROMSEL | SROMRD; EMIT; 1675 csr = 0; EMIT; 1676 } 1677 tulip_srom_idle(sc); 1678 } 1679 1680 #define MII_EMIT do { \ 1681 TULIP_CSR_WRITE(sc, csr_srom_mii, csr); \ 1682 DELAY(1); \ 1683 } while (0) 1684 1685 static void 1686 tulip_mii_writebits(tulip_softc_t *sc, u_int data, u_int bits) 1687 { 1688 u_int csr, msb, lastbit; 1689 1690 msb = 1 << (bits - 1); 1691 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1692 lastbit = (csr & MII_DOUT) ? msb : 0; 1693 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1694 1695 for (; bits > 0; bits--, data <<= 1) { 1696 const unsigned thisbit = data & msb; 1697 if (thisbit != lastbit) { 1698 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1699 } 1700 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1701 lastbit = thisbit; 1702 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1703 } 1704 } 1705 1706 static void 1707 tulip_mii_turnaround(tulip_softc_t *sc, u_int cmd) 1708 { 1709 u_int csr; 1710 1711 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1712 1713 if (cmd == MII_WRCMD) { 1714 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1715 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1716 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1717 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1718 } else { 1719 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1720 } 1721 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1722 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1723 } 1724 1725 static u_int 1726 tulip_mii_readbits(tulip_softc_t *sc) 1727 { 1728 u_int csr, data, idx; 1729 1730 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1731 1732 for (idx = 0, data = 0; idx < 16; idx++) { 1733 data <<= 1; /* this is NOOP on the first pass through */ 1734 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1735 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1736 data |= 1; 1737 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1738 } 1739 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1740 1741 return data; 1742 } 1743 1744 static u_int 1745 tulip_mii_readreg(tulip_softc_t *sc, u_int devaddr, u_int regno) 1746 { 1747 u_int csr; 1748 u_int data; 1749 1750 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1751 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1752 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1753 tulip_mii_writebits(sc, MII_RDCMD, 8); 1754 tulip_mii_writebits(sc, devaddr, 5); 1755 tulip_mii_writebits(sc, regno, 5); 1756 tulip_mii_turnaround(sc, MII_RDCMD); 1757 1758 data = tulip_mii_readbits(sc); 1759 return data; 1760 } 1761 1762 static void 1763 tulip_mii_writereg(tulip_softc_t *sc, u_int devaddr, u_int regno, u_int data) 1764 { 1765 u_int csr; 1766 1767 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1768 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1769 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1770 tulip_mii_writebits(sc, MII_WRCMD, 8); 1771 tulip_mii_writebits(sc, devaddr, 5); 1772 tulip_mii_writebits(sc, regno, 5); 1773 tulip_mii_turnaround(sc, MII_WRCMD); 1774 tulip_mii_writebits(sc, data, 16); 1775 } 1776 1777 #define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF) 1778 #define tulip_srom_crcok(databuf) ( \ 1779 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 1780 ((databuf)[126] | ((databuf)[127] << 8))) 1781 1782 static void 1783 tulip_identify_dec_nic(tulip_softc_t *sc) 1784 { 1785 strcpy(sc->tulip_boardid, "DEC "); 1786 #define D0 4 1787 if (sc->tulip_chipid <= TULIP_21040) 1788 return; 1789 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 1790 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 1791 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 1792 sc->tulip_boardid[D0+8] = ' '; 1793 } 1794 #undef D0 1795 } 1796 1797 static void 1798 tulip_identify_znyx_nic(tulip_softc_t * const sc) 1799 { 1800 u_int id = 0; 1801 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 1802 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 1803 u_int znyx_ptr; 1804 sc->tulip_boardid[8] = '4'; 1805 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 1806 if (znyx_ptr < 26 || znyx_ptr > 116) { 1807 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1808 return; 1809 } 1810 /* ZX344 = 0010 .. 0013FF 1811 */ 1812 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 1813 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 1814 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 1815 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 1816 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 1817 sc->tulip_boardid[9] = '2'; 1818 if (id == TULIP_ZNYX_ID_ZX342B) { 1819 sc->tulip_boardid[10] = 'B'; 1820 sc->tulip_boardid[11] = ' '; 1821 } 1822 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1823 } else if (id == TULIP_ZNYX_ID_ZX344) { 1824 sc->tulip_boardid[10] = '4'; 1825 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1826 } else if (id == TULIP_ZNYX_ID_ZX345) { 1827 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 1828 } else if (id == TULIP_ZNYX_ID_ZX346) { 1829 sc->tulip_boardid[9] = '6'; 1830 } else if (id == TULIP_ZNYX_ID_ZX351) { 1831 sc->tulip_boardid[8] = '5'; 1832 sc->tulip_boardid[9] = '1'; 1833 } 1834 } 1835 if (id == 0) { 1836 /* 1837 * Assume it's a ZX342... 1838 */ 1839 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1840 } 1841 return; 1842 } 1843 sc->tulip_boardid[8] = '1'; 1844 if (sc->tulip_chipid == TULIP_21041) { 1845 sc->tulip_boardid[10] = '1'; 1846 return; 1847 } 1848 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 1849 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 1850 if (id == TULIP_ZNYX_ID_ZX312T) { 1851 sc->tulip_boardid[9] = '2'; 1852 sc->tulip_boardid[10] = 'T'; 1853 sc->tulip_boardid[11] = ' '; 1854 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1855 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 1856 sc->tulip_boardid[9] = '4'; 1857 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1858 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1859 } else if (id == TULIP_ZNYX_ID_ZX314) { 1860 sc->tulip_boardid[9] = '4'; 1861 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1862 sc->tulip_features |= TULIP_HAVE_BASEROM; 1863 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 1864 sc->tulip_boardid[9] = '5'; 1865 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1866 } else if (id == TULIP_ZNYX_ID_ZX315) { 1867 sc->tulip_boardid[9] = '5'; 1868 sc->tulip_features |= TULIP_HAVE_BASEROM; 1869 } else { 1870 id = 0; 1871 } 1872 } 1873 if (id == 0) { 1874 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 1875 sc->tulip_boardid[9] = '4'; 1876 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1877 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1878 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 1879 sc->tulip_boardid[9] = '5'; 1880 sc->tulip_boardsw = &tulip_21040_boardsw; 1881 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1882 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 1883 sc->tulip_boardid[9] = '2'; 1884 sc->tulip_boardsw = &tulip_21040_boardsw; 1885 } 1886 } 1887 } 1888 1889 static void 1890 tulip_identify_smc_nic(tulip_softc_t * const sc) 1891 { 1892 uint32_t id1, id2, ei; 1893 int auibnc = 0, utp = 0; 1894 char *cp; 1895 1896 strcpy(sc->tulip_boardid, "SMC "); 1897 if (sc->tulip_chipid == TULIP_21041) 1898 return; 1899 if (sc->tulip_chipid != TULIP_21040) { 1900 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 1901 strcpy(&sc->tulip_boardid[4], "9332DST "); 1902 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 1903 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 1904 strcpy(&sc->tulip_boardid[4], "9334BDT "); 1905 } else { 1906 strcpy(&sc->tulip_boardid[4], "9332BDT "); 1907 } 1908 return; 1909 } 1910 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 1911 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 1912 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 1913 1914 strcpy(&sc->tulip_boardid[4], "8432"); 1915 cp = &sc->tulip_boardid[8]; 1916 if ((id1 & 1) == 0) 1917 *cp++ = 'B', auibnc = 1; 1918 if ((id1 & 0xFF) > 0x32) 1919 *cp++ = 'T', utp = 1; 1920 if ((id1 & 0x4000) == 0) 1921 *cp++ = 'A', auibnc = 1; 1922 if (id2 == 0x15) { 1923 sc->tulip_boardid[7] = '4'; 1924 *cp++ = '-'; 1925 *cp++ = 'C'; 1926 *cp++ = 'H'; 1927 *cp++ = (ei ? '2' : '1'); 1928 } 1929 *cp++ = ' '; 1930 *cp = '\0'; 1931 if (utp && !auibnc) 1932 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1933 else if (!utp && auibnc) 1934 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 1935 } 1936 1937 static void 1938 tulip_identify_cogent_nic(tulip_softc_t * const sc) 1939 { 1940 strcpy(sc->tulip_boardid, "Cogent "); 1941 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 1942 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 1943 strcat(sc->tulip_boardid, "EM100TX "); 1944 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 1945 #if defined(TULIP_COGENT_EM110TX_ID) 1946 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 1947 strcat(sc->tulip_boardid, "EM110TX "); 1948 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 1949 #endif 1950 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1951 strcat(sc->tulip_boardid, "EM100FX "); 1952 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 1953 } 1954 /* 1955 * Magic number (0x24001109U) is the SubVendor (0x2400) and 1956 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 1957 */ 1958 if (*(uint32_t *) sc->tulip_rombuf == 0x24001109U 1959 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 1960 /* 1961 * Cogent (Adaptec) is still mapping all INTs to INTA of 1962 * first 21140. Dumb! Dumb! 1963 */ 1964 strcat(sc->tulip_boardid, "EM440TX "); 1965 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 1966 } 1967 } else if (sc->tulip_chipid == TULIP_21040) { 1968 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1969 } 1970 } 1971 1972 static void 1973 tulip_identify_accton_nic(tulip_softc_t * const sc) 1974 { 1975 strcpy(sc->tulip_boardid, "ACCTON "); 1976 switch (sc->tulip_chipid) { 1977 case TULIP_21140A: 1978 strcat(sc->tulip_boardid, "EN1207 "); 1979 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 1980 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 1981 break; 1982 case TULIP_21140: 1983 strcat(sc->tulip_boardid, "EN1207TX "); 1984 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 1985 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 1986 break; 1987 case TULIP_21040: 1988 strcat(sc->tulip_boardid, "EN1203 "); 1989 sc->tulip_boardsw = &tulip_21040_boardsw; 1990 break; 1991 case TULIP_21041: 1992 strcat(sc->tulip_boardid, "EN1203 "); 1993 sc->tulip_boardsw = &tulip_21041_boardsw; 1994 break; 1995 default: 1996 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 1997 break; 1998 } 1999 } 2000 2001 static void 2002 tulip_identify_asante_nic(tulip_softc_t * const sc) 2003 { 2004 strcpy(sc->tulip_boardid, "Asante "); 2005 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2006 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2007 tulip_media_info_t *mi = sc->tulip_mediainfo; 2008 int idx; 2009 /* 2010 * The Asante Fast Ethernet doesn't always ship with a valid 2011 * new format SROM. So if isn't in the new format, we cheat 2012 * set it up as if we had. 2013 */ 2014 2015 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2016 sc->tulip_gpdata = 0; 2017 2018 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2019 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2020 DELAY(100); 2021 TULIP_CSR_WRITE(sc, csr_gp, 0); 2022 2023 mi->mi_type = TULIP_MEDIAINFO_MII; 2024 mi->mi_gpr_length = 0; 2025 mi->mi_gpr_offset = 0; 2026 mi->mi_reset_length = 0; 2027 mi->mi_reset_offset = 0; 2028 2029 mi->mi_phyaddr = TULIP_MII_NOPHY; 2030 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2031 DELAY(10000); 2032 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2033 } 2034 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2035 if_printf(&sc->tulip_if, "can't find phy 0\n"); 2036 return; 2037 } 2038 2039 sc->tulip_features |= TULIP_HAVE_MII; 2040 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2041 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2042 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2043 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2044 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2045 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2046 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2047 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2048 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2049 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2050 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2051 2052 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2053 } 2054 } 2055 2056 static void 2057 tulip_identify_compex_nic(tulip_softc_t *sc) 2058 { 2059 strcpy(sc->tulip_boardid, "COMPEX "); 2060 if (sc->tulip_chipid == TULIP_21140A) { 2061 int root_unit; 2062 tulip_softc_t *root_sc = NULL; 2063 2064 strcat(sc->tulip_boardid, "400TX/PCI "); 2065 /* 2066 * All 4 chips on these boards share an interrupt. This code 2067 * copied from tulip_read_macaddr. 2068 */ 2069 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2070 for (root_unit = device_get_unit(sc->tulip_dev) - 1; root_unit >= 0; root_unit--) { 2071 root_sc = tulips[root_unit]; 2072 if (root_sc == NULL 2073 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2074 break; 2075 root_sc = NULL; 2076 } 2077 if (root_sc != NULL 2078 && root_sc->tulip_chipid == sc->tulip_chipid 2079 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2080 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2081 sc->tulip_slaves = root_sc->tulip_slaves; 2082 root_sc->tulip_slaves = sc; 2083 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) { 2084 if_printf(&sc->tulip_if, "can't find master device for interrupts"); 2085 } 2086 } else { 2087 strcat(sc->tulip_boardid, "unknown "); 2088 } 2089 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2090 return; 2091 } 2092 2093 static int 2094 tulip_srom_decode(tulip_softc_t *sc) 2095 { 2096 u_int idx1, idx2, idx3; 2097 2098 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2099 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2100 tulip_srom_media_t srom_media; 2101 tulip_media_info_t *mi = sc->tulip_mediainfo; 2102 const uint8_t *dp; 2103 uint32_t leaf_offset, blocks, data; 2104 2105 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2106 if (shp->sh_adapter_count == 1) 2107 break; 2108 if (saip->sai_device == sc->tulip_pci_devno) 2109 break; 2110 } 2111 /* 2112 * Didn't find the right media block for this card. 2113 */ 2114 if (idx1 == shp->sh_adapter_count) 2115 return 0; 2116 2117 /* 2118 * Save the hardware address. 2119 */ 2120 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6); 2121 /* 2122 * If this is a multiple port card, add the adapter index to the last 2123 * byte of the hardware address. (if it isn't multiport, adding 0 2124 * won't hurt. 2125 */ 2126 sc->tulip_enaddr[5] += idx1; 2127 2128 leaf_offset = saip->sai_leaf_offset_lowbyte 2129 + saip->sai_leaf_offset_highbyte * 256; 2130 dp = sc->tulip_rombuf + leaf_offset; 2131 2132 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2133 2134 for (idx2 = 0;; idx2++) { 2135 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2136 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2137 break; 2138 } 2139 sc->tulip_connidx = idx2; 2140 2141 if (sc->tulip_chipid == TULIP_21041) { 2142 blocks = *dp++; 2143 for (idx2 = 0; idx2 < blocks; idx2++) { 2144 tulip_media_t media; 2145 data = *dp++; 2146 srom_media = (tulip_srom_media_t) (data & 0x3F); 2147 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2148 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2149 break; 2150 } 2151 media = tulip_srom_mediums[idx3].sm_type; 2152 if (media != TULIP_MEDIA_UNKNOWN) { 2153 if (data & TULIP_SROM_21041_EXTENDED) { 2154 mi->mi_type = TULIP_MEDIAINFO_SIA; 2155 sc->tulip_mediums[media] = mi; 2156 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2157 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2158 mi->mi_sia_general = dp[4] + dp[5] * 256; 2159 mi++; 2160 } else { 2161 switch (media) { 2162 case TULIP_MEDIA_BNC: { 2163 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2164 mi++; 2165 break; 2166 } 2167 case TULIP_MEDIA_AUI: { 2168 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2169 mi++; 2170 break; 2171 } 2172 case TULIP_MEDIA_10BASET: { 2173 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2174 mi++; 2175 break; 2176 } 2177 case TULIP_MEDIA_10BASET_FD: { 2178 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2179 mi++; 2180 break; 2181 } 2182 default: { 2183 break; 2184 } 2185 } 2186 } 2187 } 2188 if (data & TULIP_SROM_21041_EXTENDED) 2189 dp += 6; 2190 } 2191 #ifdef notdef 2192 if (blocks == 0) { 2193 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2194 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2195 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2196 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2197 } 2198 #endif 2199 } else { 2200 unsigned length, type; 2201 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2202 if (sc->tulip_features & TULIP_HAVE_GPR) 2203 sc->tulip_gpinit = *dp++; 2204 blocks = *dp++; 2205 for (idx2 = 0; idx2 < blocks; idx2++) { 2206 const uint8_t *ep; 2207 if ((*dp & 0x80) == 0) { 2208 length = 4; 2209 type = 0; 2210 } else { 2211 length = (*dp++ & 0x7f) - 1; 2212 type = *dp++ & 0x3f; 2213 } 2214 ep = dp + length; 2215 switch (type & 0x3f) { 2216 case 0: { /* 21140[A] GPR block */ 2217 tulip_media_t media; 2218 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2219 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2220 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2221 break; 2222 } 2223 media = tulip_srom_mediums[idx3].sm_type; 2224 if (media == TULIP_MEDIA_UNKNOWN) 2225 break; 2226 mi->mi_type = TULIP_MEDIAINFO_GPR; 2227 sc->tulip_mediums[media] = mi; 2228 mi->mi_gpdata = dp[1]; 2229 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2230 sc->tulip_gpdata = mi->mi_gpdata; 2231 gp_media = media; 2232 } 2233 data = dp[2] + dp[3] * 256; 2234 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2235 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2236 mi->mi_actmask = 0; 2237 } else { 2238 #if 0 2239 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2240 #endif 2241 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2242 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2243 } 2244 mi++; 2245 break; 2246 } 2247 case 1: { /* 21140[A] MII block */ 2248 const u_int phyno = *dp++; 2249 mi->mi_type = TULIP_MEDIAINFO_MII; 2250 mi->mi_gpr_length = *dp++; 2251 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2252 dp += mi->mi_gpr_length; 2253 mi->mi_reset_length = *dp++; 2254 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2255 dp += mi->mi_reset_length; 2256 2257 /* 2258 * Before we probe for a PHY, use the GPR information 2259 * to select it. If we don't, it may be inaccessible. 2260 */ 2261 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2262 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2263 DELAY(10); 2264 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2265 } 2266 sc->tulip_phyaddr = mi->mi_phyaddr; 2267 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2268 DELAY(10); 2269 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2270 } 2271 2272 /* 2273 * At least write something! 2274 */ 2275 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2276 TULIP_CSR_WRITE(sc, csr_gp, 0); 2277 2278 mi->mi_phyaddr = TULIP_MII_NOPHY; 2279 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2280 DELAY(10000); 2281 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2282 } 2283 if (mi->mi_phyaddr == TULIP_MII_NOPHY) 2284 break; 2285 sc->tulip_features |= TULIP_HAVE_MII; 2286 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2287 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2288 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2289 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2290 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2291 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2292 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2293 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2294 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2295 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2296 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2297 mi++; 2298 break; 2299 } 2300 case 2: { /* 2114[23] SIA block */ 2301 tulip_media_t media; 2302 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2303 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2304 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2305 break; 2306 } 2307 media = tulip_srom_mediums[idx3].sm_type; 2308 if (media == TULIP_MEDIA_UNKNOWN) 2309 break; 2310 mi->mi_type = TULIP_MEDIAINFO_SIA; 2311 sc->tulip_mediums[media] = mi; 2312 if (dp[0] & 0x40) { 2313 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2314 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2315 mi->mi_sia_general = dp[5] + dp[6] * 256; 2316 dp += 6; 2317 } else { 2318 switch (media) { 2319 case TULIP_MEDIA_BNC: { 2320 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2321 break; 2322 } 2323 case TULIP_MEDIA_AUI: { 2324 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2325 break; 2326 } 2327 case TULIP_MEDIA_10BASET: { 2328 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2329 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2330 break; 2331 } 2332 case TULIP_MEDIA_10BASET_FD: { 2333 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2334 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2335 break; 2336 } 2337 default: { 2338 goto bad_media; 2339 } 2340 } 2341 } 2342 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2343 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2344 mi++; 2345 bad_media: 2346 break; 2347 } 2348 case 3: { /* 2114[23] MII PHY block */ 2349 const u_int phyno = *dp++; 2350 const uint8_t *dp0; 2351 mi->mi_type = TULIP_MEDIAINFO_MII; 2352 mi->mi_gpr_length = *dp++; 2353 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2354 dp += 2 * mi->mi_gpr_length; 2355 mi->mi_reset_length = *dp++; 2356 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2357 dp += 2 * mi->mi_reset_length; 2358 2359 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2360 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2361 DELAY(10); 2362 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2363 } 2364 sc->tulip_phyaddr = mi->mi_phyaddr; 2365 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2366 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2367 DELAY(10); 2368 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2369 } 2370 2371 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2372 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2373 2374 mi->mi_phyaddr = TULIP_MII_NOPHY; 2375 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2376 DELAY(10000); 2377 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2378 } 2379 if (mi->mi_phyaddr == TULIP_MII_NOPHY) 2380 break; 2381 sc->tulip_features |= TULIP_HAVE_MII; 2382 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2383 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2384 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2385 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2386 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2387 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2388 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2389 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2390 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2391 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2392 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2393 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2394 mi++; 2395 break; 2396 } 2397 case 4: { /* 21143 SYM block */ 2398 tulip_media_t media; 2399 srom_media = (tulip_srom_media_t) dp[0]; 2400 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2401 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2402 break; 2403 } 2404 media = tulip_srom_mediums[idx3].sm_type; 2405 if (media == TULIP_MEDIA_UNKNOWN) 2406 break; 2407 mi->mi_type = TULIP_MEDIAINFO_SYM; 2408 sc->tulip_mediums[media] = mi; 2409 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2410 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2411 data = dp[5] + dp[6] * 256; 2412 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2413 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2414 mi->mi_actmask = 0; 2415 } else { 2416 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2417 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2418 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2419 } 2420 if (TULIP_IS_MEDIA_TP(media)) 2421 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2422 mi++; 2423 break; 2424 } 2425 #if 0 2426 case 5: { /* 21143 Reset block */ 2427 mi->mi_type = TULIP_MEDIAINFO_RESET; 2428 mi->mi_reset_length = *dp++; 2429 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2430 dp += 2 * mi->mi_reset_length; 2431 mi++; 2432 break; 2433 } 2434 #endif 2435 default: { 2436 } 2437 } 2438 dp = ep; 2439 } 2440 } 2441 return mi - sc->tulip_mediainfo; 2442 } 2443 2444 static const struct { 2445 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2446 unsigned char vendor_oui[3]; 2447 } tulip_vendors[] = { 2448 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2449 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2450 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2451 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2452 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2453 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2454 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2455 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2456 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2457 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2458 { NULL } 2459 }; 2460 2461 /* 2462 * This deals with the vagaries of the address roms and the 2463 * brain-deadness that various vendors commit in using them. 2464 */ 2465 static int 2466 tulip_read_macaddr(tulip_softc_t *sc) 2467 { 2468 u_int cksum, rom_cksum, idx; 2469 uint32_t csr; 2470 unsigned char tmpbuf[8]; 2471 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2472 2473 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2474 2475 if (sc->tulip_chipid == TULIP_21040) { 2476 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2477 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2478 int cnt = 0; 2479 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2480 cnt++; 2481 sc->tulip_rombuf[idx] = csr & 0xFF; 2482 } 2483 sc->tulip_boardsw = &tulip_21040_boardsw; 2484 } else { 2485 if (sc->tulip_chipid == TULIP_21041) { 2486 /* 2487 * Thankfully all 21041's act the same. 2488 */ 2489 sc->tulip_boardsw = &tulip_21041_boardsw; 2490 } else { 2491 /* 2492 * Assume all 21140 board are compatible with the 2493 * DEC 10/100 evaluation board. Not really valid but 2494 * it's the best we can do until every one switches to 2495 * the new SROM format. 2496 */ 2497 2498 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2499 } 2500 tulip_srom_read(sc); 2501 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2502 /* 2503 * SROM CRC is valid therefore it must be in the 2504 * new format. 2505 */ 2506 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2507 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2508 /* 2509 * No checksum is present. See if the SROM id checks out; 2510 * the first 18 bytes should be 0 followed by a 1 followed 2511 * by the number of adapters (which we don't deal with yet). 2512 */ 2513 for (idx = 0; idx < 18; idx++) { 2514 if (sc->tulip_rombuf[idx] != 0) 2515 break; 2516 } 2517 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2518 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2519 } else if (sc->tulip_chipid >= TULIP_21142) { 2520 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2521 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2522 } 2523 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2524 if (sc->tulip_chipid != TULIP_21041) 2525 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2526 2527 /* 2528 * If the SROM specifies more than one adapter, tag this as a 2529 * BASE rom. 2530 */ 2531 if (sc->tulip_rombuf[19] > 1) 2532 sc->tulip_features |= TULIP_HAVE_BASEROM; 2533 if (sc->tulip_boardsw == NULL) 2534 return -6; 2535 goto check_oui; 2536 } 2537 } 2538 2539 2540 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2541 /* 2542 * Some folks don't use the standard ethernet rom format 2543 * but instead just put the address in the first 6 bytes 2544 * of the rom and let the rest be all 0xffs. (Can we say 2545 * ZNYX?) (well sometimes they put in a checksum so we'll 2546 * start at 8). 2547 */ 2548 for (idx = 8; idx < 32; idx++) { 2549 if (sc->tulip_rombuf[idx] != 0xFF) 2550 return -4; 2551 } 2552 /* 2553 * Make sure the address is not multicast or locally assigned 2554 * that the OUI is not 00-00-00. 2555 */ 2556 if ((sc->tulip_rombuf[0] & 3) != 0) 2557 return -4; 2558 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2559 && sc->tulip_rombuf[2] == 0) 2560 return -4; 2561 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2562 sc->tulip_features |= TULIP_HAVE_OKROM; 2563 goto check_oui; 2564 } else { 2565 /* 2566 * A number of makers of multiport boards (ZNYX and Cogent) 2567 * only put on one address ROM on their 21040 boards. So 2568 * if the ROM is all zeros (or all 0xFFs), look at the 2569 * previous configured boards (as long as they are on the same 2570 * PCI bus and the bus number is non-zero) until we find the 2571 * master board with address ROM. We then use its address ROM 2572 * as the base for this board. (we add our relative board 2573 * to the last byte of its address). 2574 */ 2575 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2576 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2577 break; 2578 } 2579 if (idx == sizeof(sc->tulip_rombuf)) { 2580 int root_unit; 2581 tulip_softc_t *root_sc = NULL; 2582 for (root_unit = device_get_unit(sc->tulip_dev) - 1; root_unit >= 0; root_unit--) { 2583 root_sc = tulips[root_unit]; 2584 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2585 break; 2586 root_sc = NULL; 2587 } 2588 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2589 && root_sc->tulip_chipid == sc->tulip_chipid 2590 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2591 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2592 sc->tulip_boardsw = root_sc->tulip_boardsw; 2593 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2594 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2595 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2596 sizeof(sc->tulip_rombuf)); 2597 if (!tulip_srom_decode(sc)) 2598 return -5; 2599 } else { 2600 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2601 sc->tulip_enaddr[5] += device_get_unit(sc->tulip_dev) - device_get_unit(root_sc->tulip_dev); 2602 } 2603 /* 2604 * Now for a truly disgusting kludge: all 4 21040s on 2605 * the ZX314 share the same INTA line so the mapping 2606 * setup by the BIOS on the PCI bridge is worthless. 2607 * Rather than reprogramming the value in the config 2608 * register, we will handle this internally. 2609 */ 2610 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2611 sc->tulip_slaves = root_sc->tulip_slaves; 2612 root_sc->tulip_slaves = sc; 2613 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2614 } 2615 return 0; 2616 } 2617 } 2618 } 2619 2620 /* 2621 * This is the standard DEC address ROM test. 2622 */ 2623 2624 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2625 return -3; 2626 2627 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2628 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2629 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2630 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2631 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2632 return -2; 2633 2634 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2635 2636 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2637 cksum *= 2; 2638 if (cksum > 65535) cksum -= 65535; 2639 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2640 if (cksum > 65535) cksum -= 65535; 2641 cksum *= 2; 2642 if (cksum > 65535) cksum -= 65535; 2643 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2644 if (cksum >= 65535) cksum -= 65535; 2645 2646 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2647 2648 if (cksum != rom_cksum) 2649 return -1; 2650 2651 check_oui: 2652 /* 2653 * Check for various boards based on OUI. Did I say braindead? 2654 */ 2655 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2656 if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { 2657 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2658 break; 2659 } 2660 } 2661 2662 sc->tulip_features |= TULIP_HAVE_OKROM; 2663 return 0; 2664 } 2665 2666 static void 2667 tulip_ifmedia_add(tulip_softc_t * const sc) 2668 { 2669 tulip_media_t media; 2670 int medias = 0; 2671 2672 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2673 if (sc->tulip_mediums[media] != NULL) { 2674 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2675 0, 0); 2676 medias++; 2677 } 2678 } 2679 if (medias == 0) { 2680 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2681 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2682 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2683 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2684 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2685 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2686 } else { 2687 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2688 sc->tulip_flags |= TULIP_PRINTMEDIA; 2689 tulip_linkup(sc, sc->tulip_media); 2690 } 2691 } 2692 2693 static int 2694 tulip_ifmedia_change(struct ifnet *ifp) 2695 { 2696 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 2697 2698 sc->tulip_flags |= TULIP_NEEDRESET; 2699 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2700 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2701 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2702 tulip_media_t media; 2703 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2704 if (sc->tulip_mediums[media] != NULL 2705 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2706 sc->tulip_flags |= TULIP_PRINTMEDIA; 2707 sc->tulip_flags &= ~TULIP_DIDNWAY; 2708 tulip_linkup(sc, media); 2709 return 0; 2710 } 2711 } 2712 } 2713 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2714 tulip_reset(sc); 2715 tulip_init(sc); 2716 return 0; 2717 } 2718 2719 /* 2720 * Media status callback 2721 */ 2722 static void 2723 tulip_ifmedia_status(struct ifnet *ifp, struct ifmediareq *req) 2724 { 2725 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 2726 2727 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 2728 return; 2729 2730 req->ifm_status = IFM_AVALID; 2731 if (sc->tulip_flags & TULIP_LINKUP) 2732 req->ifm_status |= IFM_ACTIVE; 2733 2734 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 2735 } 2736 2737 static void 2738 tulip_addr_filter(tulip_softc_t *sc) 2739 { 2740 struct ifmultiaddr *ifma; 2741 u_char *addrp; 2742 int multicnt; 2743 2744 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 2745 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 2746 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 2747 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 2748 #if defined(IFF_ALLMULTI) 2749 if (sc->tulip_if.if_flags & IFF_ALLMULTI) 2750 sc->tulip_flags |= TULIP_ALLMULTI ; 2751 #endif 2752 2753 multicnt = 0; 2754 TAILQ_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) { 2755 if (ifma->ifma_addr->sa_family == AF_LINK) 2756 multicnt++; 2757 } 2758 2759 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 2760 if (multicnt > 14) { 2761 uint32_t *sp = sc->tulip_setupdata; 2762 u_int hash; 2763 /* 2764 * Some early passes of the 21140 have broken implementations of 2765 * hash-perfect mode. When we get too many multicasts for perfect 2766 * filtering with these chips, we need to switch into hash-only 2767 * mode (this is better than all-multicast on network with lots 2768 * of multicast traffic). 2769 */ 2770 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 2771 sc->tulip_flags |= TULIP_WANTHASHONLY; 2772 else 2773 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 2774 /* 2775 * If we have more than 14 multicasts, we have 2776 * go into hash perfect mode (512 bit multicast 2777 * hash and one perfect hardware). 2778 */ 2779 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 2780 2781 TAILQ_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) { 2782 if (ifma->ifma_addr->sa_family != AF_LINK) 2783 continue; 2784 2785 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 2786 #if BYTE_ORDER == BIG_ENDIAN 2787 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 2788 #else 2789 sp[hash >> 4] |= 1 << (hash & 0xF); 2790 #endif 2791 } 2792 /* 2793 * No reason to use a hash if we are going to be 2794 * receiving every multicast. 2795 */ 2796 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2797 hash = tulip_mchash(sc->tulip_if.if_broadcastaddr); 2798 #if BYTE_ORDER == BIG_ENDIAN 2799 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 2800 #else 2801 sp[hash >> 4] |= 1 << (hash & 0xF); 2802 #endif 2803 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 2804 hash = tulip_mchash(sc->tulip_enaddr); 2805 #if BYTE_ORDER == BIG_ENDIAN 2806 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 2807 #else 2808 sp[hash >> 4] |= 1 << (hash & 0xF); 2809 #endif 2810 } else { 2811 #if BYTE_ORDER == BIG_ENDIAN 2812 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 2813 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 2814 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 2815 #else 2816 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 2817 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 2818 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 2819 #endif 2820 } 2821 } 2822 } 2823 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 2824 uint32_t *sp = sc->tulip_setupdata; 2825 int idx = 0; 2826 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2827 /* 2828 * Else can get perfect filtering for 16 addresses. 2829 */ 2830 TAILQ_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) { 2831 if (ifma->ifma_addr->sa_family != AF_LINK) 2832 continue; 2833 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 2834 #if BYTE_ORDER == BIG_ENDIAN 2835 *sp++ = ((u_int16_t *) addrp)[0] << 16; 2836 *sp++ = ((u_int16_t *) addrp)[1] << 16; 2837 *sp++ = ((u_int16_t *) addrp)[2] << 16; 2838 #else 2839 *sp++ = ((u_int16_t *) addrp)[0]; 2840 *sp++ = ((u_int16_t *) addrp)[1]; 2841 *sp++ = ((u_int16_t *) addrp)[2]; 2842 #endif 2843 idx++; 2844 } 2845 /* 2846 * Add the broadcast address. 2847 */ 2848 idx++; 2849 #if BYTE_ORDER == BIG_ENDIAN 2850 *sp++ = 0xFFFF << 16; 2851 *sp++ = 0xFFFF << 16; 2852 *sp++ = 0xFFFF << 16; 2853 #else 2854 *sp++ = 0xFFFF; 2855 *sp++ = 0xFFFF; 2856 *sp++ = 0xFFFF; 2857 #endif 2858 } 2859 /* 2860 * Pad the rest with our hardware address 2861 */ 2862 for (; idx < 16; idx++) { 2863 #if BYTE_ORDER == BIG_ENDIAN 2864 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 2865 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 2866 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 2867 #else 2868 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 2869 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 2870 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 2871 #endif 2872 } 2873 } 2874 #if defined(IFF_ALLMULTI) 2875 if (sc->tulip_flags & TULIP_ALLMULTI) 2876 sc->tulip_if.if_flags |= IFF_ALLMULTI; 2877 #endif 2878 } 2879 2880 static void 2881 tulip_reset(tulip_softc_t *sc) 2882 { 2883 tulip_ringinfo_t *ri; 2884 tulip_desc_t *di; 2885 uint32_t inreset = (sc->tulip_flags & TULIP_INRESET); 2886 2887 /* 2888 * Brilliant. Simply brilliant. When switching modes/speeds 2889 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 2890 * bits in CSR6 and then do a software reset to get the 21140 2891 * to properly reset its internal pathways to the right places. 2892 * Grrrr. 2893 */ 2894 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 2895 && sc->tulip_boardsw->bd_media_preset != NULL) 2896 (*sc->tulip_boardsw->bd_media_preset)(sc); 2897 2898 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 2899 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 2900 33MHz that comes to two microseconds but wait a 2901 bit longer anyways) */ 2902 2903 if (!inreset) { 2904 sc->tulip_flags |= TULIP_INRESET; 2905 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 2906 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 2907 sc->tulip_if.if_start = tulip_ifstart; 2908 } 2909 2910 TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); 2911 TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); 2912 TULIP_CSR_WRITE(sc, csr_busmode, 2913 (1 << (3 /*pci_max_burst_len*/ + 8)) 2914 |TULIP_BUSMODE_CACHE_ALIGN8 2915 |TULIP_BUSMODE_READMULTIPLE 2916 |(BYTE_ORDER != LITTLE_ENDIAN ? 2917 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 2918 2919 sc->tulip_txtimer = 0; 2920 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 2921 /* 2922 * Free all the mbufs that were on the transmit ring. 2923 */ 2924 IF_DRAIN(&sc->tulip_txq); 2925 2926 ri = &sc->tulip_txinfo; 2927 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 2928 ri->ri_free = ri->ri_max; 2929 for (di = ri->ri_first; di < ri->ri_last; di++) 2930 di->d_status = 0; 2931 2932 /* 2933 * We need to collect all the mbufs were on the 2934 * receive ring before we reinit it either to put 2935 * them back on or to know if we have to allocate 2936 * more. 2937 */ 2938 ri = &sc->tulip_rxinfo; 2939 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 2940 ri->ri_free = ri->ri_max; 2941 for (di = ri->ri_first; di < ri->ri_last; di++) { 2942 di->d_status = 0; 2943 di->d_length1 = 0; di->d_addr1 = 0; 2944 di->d_length2 = 0; di->d_addr2 = 0; 2945 } 2946 IF_DRAIN(&sc->tulip_rxq); 2947 2948 /* 2949 * If tulip_reset is being called recurisvely, exit quickly knowing 2950 * that when the outer tulip_reset returns all the right stuff will 2951 * have happened. 2952 */ 2953 if (inreset) 2954 return; 2955 2956 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 2957 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 2958 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 2959 |TULIP_STS_RXSTOPPED; 2960 2961 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 2962 (*sc->tulip_boardsw->bd_media_select)(sc); 2963 tulip_media_print(sc); 2964 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 2965 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 2966 2967 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 2968 |TULIP_RXACT); 2969 tulip_addr_filter(sc); 2970 } 2971 2972 static void 2973 tulip_init(tulip_softc_t * const sc) 2974 { 2975 if (sc->tulip_if.if_flags & IFF_UP) { 2976 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 2977 /* initialize the media */ 2978 tulip_reset(sc); 2979 } 2980 sc->tulip_if.if_flags |= IFF_RUNNING; 2981 if (sc->tulip_if.if_flags & IFF_PROMISC) { 2982 sc->tulip_flags |= TULIP_PROMISC; 2983 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 2984 sc->tulip_intrmask |= TULIP_STS_TXINTR; 2985 } else { 2986 sc->tulip_flags &= ~TULIP_PROMISC; 2987 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 2988 if (sc->tulip_flags & TULIP_ALLMULTI) { 2989 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 2990 } else { 2991 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 2992 } 2993 } 2994 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 2995 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 2996 tulip_rx_intr(sc); 2997 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 2998 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 2999 } else { 3000 sc->tulip_if.if_flags |= IFF_OACTIVE; 3001 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3002 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3003 } 3004 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3005 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3006 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3007 tulip_txput_setup(sc); 3008 } else { 3009 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3010 tulip_reset(sc); 3011 } 3012 } 3013 3014 static void 3015 tulip_rx_intr(tulip_softc_t *sc) 3016 { 3017 tulip_ringinfo_t *ri = &sc->tulip_rxinfo; 3018 struct ifnet *ifp = &sc->tulip_if; 3019 int fillok = 1; 3020 3021 for (;;) { 3022 tulip_desc_t *eop = ri->ri_nextin; 3023 int total_len = 0, last_offset = 0; 3024 struct mbuf *ms = NULL, *me = NULL; 3025 int accept = 0; 3026 3027 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3028 goto queue_mbuf; 3029 3030 /* 3031 * If the TULIP has no descriptors, there can't be any receive 3032 * descriptors to process. 3033 */ 3034 if (eop == ri->ri_nextout) 3035 break; 3036 3037 /* 3038 * 90% of the packets will fit in one descriptor. So we optimize 3039 * for that case. 3040 */ 3041 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3042 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3043 IF_DEQUEUE(&sc->tulip_rxq, ms); 3044 me = ms; 3045 } else { 3046 /* 3047 * If still owned by the TULIP, don't touch it. 3048 */ 3049 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3050 break; 3051 3052 /* 3053 * It is possible (though improbable unless the BIG_PACKET support 3054 * is enabled or MCLBYTES < 1518) for a received packet to cross 3055 * more than one receive descriptor. 3056 */ 3057 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3058 if (++eop == ri->ri_last) 3059 eop = ri->ri_first; 3060 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3061 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3062 return; 3063 } 3064 total_len++; 3065 } 3066 3067 /* 3068 * Dequeue the first buffer for the start of the packet. Hopefully 3069 * this will be the only one we need to dequeue. However, if the 3070 * packet consumed multiple descriptors, then we need to dequeue 3071 * those buffers and chain to the starting mbuf. All buffers but 3072 * the last buffer have the same length so we can set that now. 3073 * (we add to last_offset instead of multiplying since we normally 3074 * won't go into the loop and thereby saving a ourselves from 3075 * doing a multiplication by 0 in the normal case). 3076 */ 3077 IF_DEQUEUE(&sc->tulip_rxq, ms); 3078 for (me = ms; total_len > 0; total_len--) { 3079 me->m_len = TULIP_RX_BUFLEN; 3080 last_offset += TULIP_RX_BUFLEN; 3081 IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3082 me = me->m_next; 3083 } 3084 } 3085 3086 /* 3087 * Now get the size of received packet (minus the CRC). 3088 */ 3089 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3090 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3091 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0 3092 #ifdef BIG_PACKET 3093 || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && 3094 (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT| 3095 TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC| 3096 TULIP_DSTS_RxOVERFLOW)) == 0) 3097 #endif 3098 )) { 3099 me->m_len = total_len - last_offset; 3100 3101 sc->tulip_flags |= TULIP_RXACT; 3102 accept = 1; 3103 } else { 3104 ifp->if_ierrors++; 3105 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3106 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3107 } else { 3108 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3109 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3110 } 3111 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3112 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3113 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3114 } else { 3115 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3116 } 3117 } 3118 } 3119 } 3120 ifp->if_ipackets++; 3121 if (++eop == ri->ri_last) 3122 eop = ri->ri_first; 3123 ri->ri_nextin = eop; 3124 queue_mbuf: 3125 /* 3126 * Either we are priming the TULIP with mbufs (m == NULL) 3127 * or we are about to accept an mbuf for the upper layers 3128 * so we need to allocate an mbuf to replace it. If we 3129 * can't replace it, send up it anyways. This may cause 3130 * us to drop packets in the future but that's better than 3131 * being caught in livelock. 3132 * 3133 * Note that if this packet crossed multiple descriptors 3134 * we don't even try to reallocate all the mbufs here. 3135 * Instead we rely on the test of the beginning of 3136 * the loop to refill for the extra consumed mbufs. 3137 */ 3138 if (accept || ms == NULL) { 3139 struct mbuf *m0; 3140 3141 #if defined(TULIP_COPY_RXDATA) 3142 if (!accept || total_len >= (MHLEN - 2)) 3143 m0 = m_getcl(MB_DONTWAIT, MT_DATA, M_PKTHDR); 3144 else 3145 m0 = m_gethdr(MB_DONTWAIT, MT_DATA); 3146 #else 3147 m0 = m_getcl(MB_DONTWAIT, MT_DATA, M_PKTHDR); 3148 #endif 3149 3150 if (accept 3151 #if defined(TULIP_COPY_RXDATA) 3152 && m0 != NULL 3153 #endif 3154 ) { 3155 #if !defined(TULIP_COPY_RXDATA) 3156 ms->m_pkthdr.len = total_len; 3157 ifp->if_input(ifp, ms); 3158 #else 3159 #ifdef BIG_PACKET 3160 #error BIG_PACKET is incompatible with TULIP_COPY_RXDATA 3161 #endif 3162 m0->m_data += 2; /* align data after header */ 3163 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3164 m0->m_len = m0->m_pkthdr.len = total_len; 3165 m0->m_pkthdr.rcvif = ifp; 3166 ifp->if_input(ifp, m0); 3167 m0 = ms; 3168 #endif /* ! TULIP_COPY_RXDATA */ 3169 } 3170 ms = m0; 3171 } 3172 if (ms == NULL) { 3173 /* 3174 * Couldn't allocate a new buffer. Don't bother 3175 * trying to replenish the receive queue. 3176 */ 3177 fillok = 0; 3178 sc->tulip_flags |= TULIP_RXBUFSLOW; 3179 continue; 3180 } 3181 /* 3182 * Now give the buffer(s) to the TULIP and save in our 3183 * receive queue. 3184 */ 3185 do { 3186 tulip_desc_t * const nextout = ri->ri_nextout; 3187 nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t)); 3188 nextout->d_length1 = TULIP_RX_BUFLEN; 3189 nextout->d_status = TULIP_DSTS_OWNER; 3190 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3191 if (++ri->ri_nextout == ri->ri_last) 3192 ri->ri_nextout = ri->ri_first; 3193 me = ms->m_next; 3194 ms->m_next = NULL; 3195 IF_ENQUEUE(&sc->tulip_rxq, ms); 3196 } while ((ms = me) != NULL); 3197 3198 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3199 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3200 } 3201 } 3202 3203 static int 3204 tulip_tx_intr(tulip_softc_t *sc) 3205 { 3206 tulip_ringinfo_t *ri = &sc->tulip_txinfo; 3207 struct mbuf *m; 3208 int xmits = 0; 3209 int descs = 0; 3210 3211 while (ri->ri_free < ri->ri_max) { 3212 uint32_t d_flag; 3213 3214 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3215 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3216 break; 3217 3218 ri->ri_free++; 3219 descs++; 3220 d_flag = ri->ri_nextin->d_flag; 3221 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3222 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3223 /* 3224 * We've just finished processing a setup packet. 3225 * Mark that we finished it. If there's not 3226 * another pending, startup the TULIP receiver. 3227 * Make sure we ack the RXSTOPPED so we won't get 3228 * an abormal interrupt indication. 3229 */ 3230 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3231 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3232 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3233 sc->tulip_flags |= TULIP_HASHONLY; 3234 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3235 tulip_rx_intr(sc); 3236 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3237 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3238 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3239 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3240 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3241 } 3242 } else { 3243 const uint32_t d_status = ri->ri_nextin->d_status; 3244 IF_DEQUEUE(&sc->tulip_txq, m); 3245 if (m != NULL) { 3246 m_freem(m); 3247 } 3248 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3249 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3250 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3251 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3252 } 3253 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3254 /* 3255 * Escape from the loop before media poll has reset the TULIP! 3256 */ 3257 break; 3258 } else { 3259 xmits++; 3260 if (d_status & TULIP_DSTS_ERRSUM) { 3261 sc->tulip_if.if_oerrors++; 3262 if (d_status & TULIP_DSTS_TxEXCCOLL) 3263 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3264 if (d_status & TULIP_DSTS_TxLATECOLL) 3265 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3266 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3267 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3268 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3269 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3270 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3271 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3272 if (d_status & TULIP_DSTS_TxBABBLE) 3273 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3274 } else { 3275 u_int32_t collisions = 3276 (d_status & TULIP_DSTS_TxCOLLMASK) 3277 >> TULIP_DSTS_V_TxCOLLCNT; 3278 sc->tulip_if.if_collisions += collisions; 3279 if (collisions == 1) 3280 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3281 else if (collisions > 1) 3282 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3283 else if (d_status & TULIP_DSTS_TxDEFERRED) 3284 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3285 /* 3286 * SQE is only valid for 10baseT/BNC/AUI when not 3287 * running in full-duplex. In order to speed up the 3288 * test, the corresponding bit in tulip_flags needs to 3289 * set as well to get us to count SQE Test Errors. 3290 */ 3291 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3292 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3293 } 3294 } 3295 } 3296 } 3297 3298 if (++ri->ri_nextin == ri->ri_last) 3299 ri->ri_nextin = ri->ri_first; 3300 3301 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3302 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3303 } 3304 /* 3305 * If nothing left to transmit, disable the timer. 3306 * Else if progress, reset the timer back to 2 ticks. 3307 * 3308 * XXX 2 bit field, TXTIMER is 4? 3309 */ 3310 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3311 sc->tulip_txtimer = 0; 3312 else if (xmits > 0) 3313 sc->tulip_txtimer = (TULIP_TXTIMER & 3); 3314 sc->tulip_if.if_opackets += xmits; 3315 return descs; 3316 } 3317 3318 static void 3319 tulip_print_abnormal_interrupt(tulip_softc_t *sc, uint32_t csr) 3320 { 3321 const char * const *msgp = tulip_status_bits; 3322 const char *sep; 3323 uint32_t mask; 3324 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3325 3326 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3327 if_printf(&sc->tulip_if, "abnormal interrupt:"); 3328 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3329 if ((csr & mask) && *msgp != NULL) { 3330 kprintf("%s%s", sep, *msgp); 3331 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3332 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3333 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3334 kprintf(" (switching to store-and-forward mode)"); 3335 } else { 3336 kprintf(" (raising TX threshold to %s)", 3337 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3338 } 3339 } 3340 sep = ", "; 3341 } 3342 } 3343 kprintf("\n"); 3344 } 3345 3346 static void 3347 tulip_intr_handler(tulip_softc_t *sc) 3348 { 3349 uint32_t csr; 3350 3351 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3352 TULIP_CSR_WRITE(sc, csr_status, csr); 3353 3354 if (csr & TULIP_STS_SYSERROR) { 3355 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3356 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3357 sc->tulip_flags |= TULIP_SYSTEMERROR; 3358 } else { 3359 if_printf(&sc->tulip_if, "system error: %s\n", 3360 tulip_system_errors[sc->tulip_last_system_error]); 3361 } 3362 sc->tulip_flags |= TULIP_NEEDRESET; 3363 sc->tulip_system_errors++; 3364 break; 3365 } 3366 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3367 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3368 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3369 ? TULIP_MEDIAPOLL_LINKFAIL 3370 : TULIP_MEDIAPOLL_LINKPASS); 3371 csr &= ~TULIP_STS_ABNRMLINTR; 3372 } 3373 tulip_media_print(sc); 3374 } 3375 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3376 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3377 if (csr & TULIP_STS_RXNOBUF) 3378 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3379 /* 3380 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3381 * on receive overflows. 3382 */ 3383 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3384 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3385 /* 3386 * Stop the receiver process and spin until it's stopped. 3387 * Tell rx_intr to drop the packets it dequeues. 3388 */ 3389 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3390 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3391 ; 3392 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3393 sc->tulip_flags |= TULIP_RXIGNORE; 3394 } 3395 tulip_rx_intr(sc); 3396 if (sc->tulip_flags & TULIP_RXIGNORE) { 3397 /* 3398 * Restart the receiver. 3399 */ 3400 sc->tulip_flags &= ~TULIP_RXIGNORE; 3401 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3402 } 3403 } 3404 if (csr & TULIP_STS_ABNRMLINTR) { 3405 u_int32_t tmp = csr & sc->tulip_intrmask 3406 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3407 if (csr & TULIP_STS_TXUNDERFLOW) { 3408 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3409 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3410 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3411 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3412 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3413 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3414 } 3415 } 3416 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3417 sc->tulip_statusbits |= tmp; 3418 } else { 3419 tulip_print_abnormal_interrupt(sc, tmp); 3420 sc->tulip_flags |= TULIP_NOMESSAGES; 3421 } 3422 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3423 } 3424 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3425 tulip_tx_intr(sc); 3426 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3427 if_devstart(&sc->tulip_if); 3428 } 3429 } 3430 if (sc->tulip_flags & TULIP_NEEDRESET) { 3431 tulip_reset(sc); 3432 tulip_init(sc); 3433 } 3434 } 3435 3436 static void 3437 tulip_intr_shared(void *arg) 3438 { 3439 tulip_softc_t *sc; 3440 3441 for (sc = arg; sc != NULL; sc = sc->tulip_slaves) 3442 tulip_intr_handler(sc); 3443 } 3444 3445 static void 3446 tulip_intr_normal(void *arg) 3447 { 3448 tulip_softc_t *sc = (tulip_softc_t *)arg; 3449 3450 tulip_intr_handler(sc); 3451 } 3452 3453 static struct mbuf * 3454 tulip_txput(tulip_softc_t *sc, struct mbuf *m) 3455 { 3456 tulip_ringinfo_t *ri = &sc->tulip_txinfo; 3457 tulip_desc_t *eop, *nextout; 3458 int segcnt, free; 3459 uint32_t d_status; 3460 struct mbuf *m0; 3461 3462 /* 3463 * Now we try to fill in our transmit descriptors. This is 3464 * a bit reminiscent of going on the Ark two by two 3465 * since each descriptor for the TULIP can describe 3466 * two buffers. So we advance through packet filling 3467 * each of the two entries at a time to to fill each 3468 * descriptor. Clear the first and last segment bits 3469 * in each descriptor (actually just clear everything 3470 * but the end-of-ring or chain bits) to make sure 3471 * we don't get messed up by previously sent packets. 3472 * 3473 * We may fail to put the entire packet on the ring if 3474 * there is either not enough ring entries free or if the 3475 * packet has more than MAX_TXSEG segments. In the former 3476 * case we will just wait for the ring to empty. In the 3477 * latter case we have to recopy. 3478 */ 3479 again: 3480 m0 = m; 3481 d_status = 0; 3482 eop = nextout = ri->ri_nextout; 3483 segcnt = 0; 3484 free = ri->ri_free; 3485 3486 do { 3487 int len = m0->m_len; 3488 caddr_t addr = mtod(m0, caddr_t); 3489 unsigned clsize = PAGE_SIZE - (((uintptr_t) addr) & (PAGE_SIZE-1)); 3490 3491 while (len > 0) { 3492 unsigned slen = min(len, clsize); 3493 #ifdef BIG_PACKET 3494 int partial = 0; 3495 if (slen >= 2048) 3496 slen = 2040, partial = 1; 3497 #endif 3498 segcnt++; 3499 if (segcnt > TULIP_MAX_TXSEG) { 3500 /* 3501 * The packet exceeds the number of transmit buffer 3502 * entries that we can use for one packet, so we have 3503 * recopy it into one mbuf and then try again. 3504 */ 3505 m0 = m_defrag(m, MB_DONTWAIT); 3506 if (m0 == NULL) 3507 goto finish; 3508 m = m0; 3509 goto again; 3510 } 3511 if (segcnt & 1) { 3512 if (--free == 0) { 3513 /* 3514 * See if there's any unclaimed space in the 3515 * transmit ring. 3516 */ 3517 if ((free += tulip_tx_intr(sc)) == 0) { 3518 /* 3519 * There's no more room but since nothing 3520 * has been committed at this point, just 3521 * show output is active, put back the 3522 * mbuf and return. 3523 */ 3524 sc->tulip_flags |= TULIP_WANTTXSTART; 3525 goto finish; 3526 } 3527 } 3528 eop = nextout; 3529 if (++nextout == ri->ri_last) 3530 nextout = ri->ri_first; 3531 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3532 eop->d_status = d_status; 3533 eop->d_addr1 = TULIP_KVATOPHYS(sc, addr); 3534 eop->d_length1 = slen; 3535 } else { 3536 /* 3537 * Fill in second half of descriptor 3538 */ 3539 eop->d_addr2 = TULIP_KVATOPHYS(sc, addr); 3540 eop->d_length2 = slen; 3541 } 3542 d_status = TULIP_DSTS_OWNER; 3543 len -= slen; 3544 addr += slen; 3545 #ifdef BIG_PACKET 3546 if (partial) 3547 continue; 3548 #endif 3549 clsize = PAGE_SIZE; 3550 } 3551 } while ((m0 = m0->m_next) != NULL); 3552 3553 BPF_MTAP(&sc->tulip_if, m); 3554 3555 /* 3556 * The descriptors have been filled in. Now get ready 3557 * to transmit. 3558 */ 3559 IF_ENQUEUE(&sc->tulip_txq, m); 3560 m = NULL; 3561 3562 /* 3563 * Make sure the next descriptor after this packet is owned 3564 * by us since it may have been set up above if we ran out 3565 * of room in the ring. 3566 */ 3567 nextout->d_status = 0; 3568 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 3569 3570 /* 3571 * If we only used the first segment of the last descriptor, 3572 * make sure the second segment will not be used. 3573 */ 3574 if (segcnt & 1) { 3575 eop->d_addr2 = 0; 3576 eop->d_length2 = 0; 3577 } 3578 3579 /* 3580 * Mark the last and first segments, indicate we want a transmit 3581 * complete interrupt, and tell it to transmit! 3582 */ 3583 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 3584 3585 /* 3586 * Note that ri->ri_nextout is still the start of the packet 3587 * and until we set the OWNER bit, we can still back out of 3588 * everything we have done. 3589 */ 3590 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 3591 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 3592 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 3593 3594 /* 3595 * This advances the ring for us. 3596 */ 3597 ri->ri_nextout = nextout; 3598 ri->ri_free = free; 3599 3600 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3601 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3602 sc->tulip_if.if_flags |= IFF_OACTIVE; 3603 sc->tulip_if.if_start = tulip_ifstart; 3604 return NULL; 3605 } 3606 3607 /* 3608 * switch back to the single queueing ifstart. 3609 * 3610 * XXX 2 bit field, TXTIMER is 4? 3611 */ 3612 sc->tulip_flags &= ~TULIP_WANTTXSTART; 3613 if (sc->tulip_txtimer == 0) 3614 sc->tulip_txtimer = TULIP_TXTIMER & 3; 3615 3616 /* 3617 * If we want a txstart, there must be not enough space in the 3618 * transmit ring. So we want to enable transmit done interrupts 3619 * so we can immediately reclaim some space. When the transmit 3620 * interrupt is posted, the interrupt handler will call tx_intr 3621 * to reclaim space and then txstart (since WANTTXSTART is set). 3622 * txstart will move the packet into the transmit ring and clear 3623 * WANTTXSTART thereby causing TXINTR to be cleared. 3624 */ 3625 finish: 3626 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 3627 sc->tulip_if.if_flags |= IFF_OACTIVE; 3628 sc->tulip_if.if_start = tulip_ifstart; 3629 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 3630 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3631 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3632 } 3633 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 3634 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 3635 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 3636 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3637 } 3638 } 3639 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3640 return m; 3641 } 3642 3643 static void 3644 tulip_txput_setup(tulip_softc_t *sc) 3645 { 3646 tulip_ringinfo_t *ri = &sc->tulip_txinfo; 3647 tulip_desc_t *nextout; 3648 3649 /* 3650 * We will transmit, at most, one setup packet per call to ifstart. 3651 */ 3652 3653 /* 3654 * Try to reclaim some free descriptors.. 3655 */ 3656 if (ri->ri_free < 2) 3657 tulip_tx_intr(sc); 3658 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 3659 sc->tulip_flags |= TULIP_WANTTXSTART; 3660 sc->tulip_if.if_start = tulip_ifstart; 3661 return; 3662 } 3663 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 3664 sizeof(sc->tulip_setupbuf)); 3665 /* 3666 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 3667 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 3668 */ 3669 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 3670 ri->ri_free--; 3671 nextout = ri->ri_nextout; 3672 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3673 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 3674 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 3675 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 3676 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 3677 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 3678 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 3679 3680 nextout->d_length2 = 0; 3681 nextout->d_addr2 = 0; 3682 nextout->d_length1 = sizeof(sc->tulip_setupbuf); 3683 nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf); 3684 3685 /* 3686 * Advance the ring for the next transmit packet. 3687 */ 3688 if (++ri->ri_nextout == ri->ri_last) 3689 ri->ri_nextout = ri->ri_first; 3690 3691 /* 3692 * Make sure the next descriptor is owned by us since it 3693 * may have been set up above if we ran out of room in the 3694 * ring. 3695 */ 3696 ri->ri_nextout->d_status = 0; 3697 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 3698 nextout->d_status = TULIP_DSTS_OWNER; 3699 /* 3700 * Flush the ownwership of the current descriptor 3701 */ 3702 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 3703 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3704 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 3705 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3706 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3707 } 3708 } 3709 3710 static int 3711 tulip_ifioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred * cr) 3712 { 3713 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 3714 struct ifaddr *ifa = (struct ifaddr *)data; 3715 struct ifreq *ifr = (struct ifreq *)data; 3716 int error = 0; 3717 3718 switch (cmd) { 3719 case SIOCSIFADDR: { 3720 ifp->if_flags |= IFF_UP; 3721 switch(ifa->ifa_addr->sa_family) { 3722 #ifdef INET 3723 case AF_INET: { 3724 tulip_init(sc); 3725 arp_ifinit(&(sc)->tulip_ac.ac_if, ifa); 3726 break; 3727 } 3728 #endif /* INET */ 3729 3730 #ifdef IPX 3731 case AF_IPX: { 3732 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 3733 if (ipx_nullhost(*ina)) { 3734 ina->x_host = *(union ipx_host *)(sc->tulip_enaddr); 3735 } else { 3736 ifp->if_flags &= ~IFF_RUNNING; 3737 bcopy((caddr_t)ina->x_host.c_host, 3738 (caddr_t)sc->tulip_enaddr, 3739 sizeof(sc->tulip_enaddr)); 3740 } 3741 tulip_init(sc); 3742 break; 3743 } 3744 #endif /* IPX */ 3745 3746 default: { 3747 tulip_init(sc); 3748 break; 3749 } 3750 } 3751 break; 3752 } 3753 case SIOCGIFADDR: { 3754 bcopy((caddr_t) sc->tulip_enaddr, 3755 (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data, 3756 6); 3757 break; 3758 } 3759 3760 case SIOCSIFFLAGS: { 3761 tulip_addr_filter(sc); /* reinit multicast filter */ 3762 tulip_init(sc); 3763 break; 3764 } 3765 3766 case SIOCSIFMEDIA: 3767 case SIOCGIFMEDIA: { 3768 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 3769 break; 3770 } 3771 3772 case SIOCADDMULTI: 3773 case SIOCDELMULTI: { 3774 /* 3775 * Update multicast listeners 3776 */ 3777 tulip_addr_filter(sc); /* reset multicast filtering */ 3778 tulip_init(sc); 3779 error = 0; 3780 break; 3781 } 3782 3783 case SIOCSIFMTU: 3784 /* 3785 * Set the interface MTU. 3786 */ 3787 if (ifr->ifr_mtu > ETHERMTU 3788 #ifdef BIG_PACKET 3789 && sc->tulip_chipid != TULIP_21140 3790 && sc->tulip_chipid != TULIP_21140A 3791 && sc->tulip_chipid != TULIP_21041 3792 #endif 3793 ) { 3794 error = EINVAL; 3795 break; 3796 } 3797 ifp->if_mtu = ifr->ifr_mtu; 3798 #ifdef BIG_PACKET 3799 tulip_reset(sc); 3800 tulip_init(sc); 3801 #endif 3802 break; 3803 3804 #ifdef SIOCGADDRROM 3805 case SIOCGADDRROM: { 3806 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 3807 break; 3808 } 3809 #endif 3810 #ifdef SIOCGCHIPID 3811 case SIOCGCHIPID: { 3812 ifr->ifr_metric = (int) sc->tulip_chipid; 3813 break; 3814 } 3815 #endif 3816 default: { 3817 error = EINVAL; 3818 break; 3819 } 3820 } 3821 return error; 3822 } 3823 3824 static void 3825 tulip_ifstart(struct ifnet *ifp) 3826 { 3827 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 3828 3829 if (sc->tulip_if.if_flags & IFF_RUNNING) { 3830 3831 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3832 tulip_txput_setup(sc); 3833 3834 while (sc->tulip_if.if_snd.ifq_head != NULL) { 3835 struct mbuf *m; 3836 3837 ALTQ_LOCK(&sc->tulip_if.if_snd); 3838 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 3839 ALTQ_UNLOCK(&sc->tulip_if.if_snd); 3840 3841 if ((m = tulip_txput(sc, m)) != NULL) { 3842 ALTQ_LOCK(&sc->tulip_if.if_snd); 3843 IF_PREPEND(&sc->tulip_if.if_snd, m); 3844 ALTQ_UNLOCK(&sc->tulip_if.if_snd); 3845 break; 3846 } 3847 } 3848 } 3849 } 3850 3851 static void 3852 tulip_ifwatchdog(struct ifnet *ifp) 3853 { 3854 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 3855 3856 sc->tulip_if.if_timer = 1; 3857 /* 3858 * These should be rare so do a bulk test up front so we can just skip 3859 * them if needed. 3860 */ 3861 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 3862 /* 3863 * If the number of receive buffer is low, try to refill 3864 */ 3865 if (sc->tulip_flags & TULIP_RXBUFSLOW) 3866 tulip_rx_intr(sc); 3867 3868 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 3869 if_printf(ifp, "%d system errors: last was %s\n", 3870 sc->tulip_system_errors, 3871 tulip_system_errors[sc->tulip_last_system_error]); 3872 } 3873 if (sc->tulip_statusbits) { 3874 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 3875 sc->tulip_statusbits = 0; 3876 } 3877 3878 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 3879 } 3880 3881 if (sc->tulip_txtimer) 3882 tulip_tx_intr(sc); 3883 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 3884 if_printf(ifp, "transmission timeout\n"); 3885 if (TULIP_DO_AUTOSENSE(sc)) { 3886 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 3887 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 3888 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 3889 } 3890 tulip_reset(sc); 3891 tulip_init(sc); 3892 } 3893 } 3894 3895 static void 3896 tulip_attach(tulip_softc_t *sc) 3897 { 3898 struct ifnet *ifp = &sc->tulip_if; 3899 3900 callout_init(&sc->tulip_timer); 3901 callout_init(&sc->tulip_fast_timer); 3902 3903 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST; 3904 ifp->if_ioctl = tulip_ifioctl; 3905 ifp->if_start = tulip_ifstart; 3906 ifp->if_watchdog = tulip_ifwatchdog; 3907 ifp->if_timer = 1; 3908 3909 if_printf(ifp, "%s%s pass %d.%d%s\n", 3910 sc->tulip_boardid, 3911 tulip_chipdescs[sc->tulip_chipid], 3912 (sc->tulip_revinfo & 0xF0) >> 4, 3913 sc->tulip_revinfo & 0x0F, 3914 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 3915 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 3916 3917 (*sc->tulip_boardsw->bd_media_probe)(sc); 3918 ifmedia_init(&sc->tulip_ifmedia, 0, 3919 tulip_ifmedia_change, 3920 tulip_ifmedia_status); 3921 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 3922 tulip_ifmedia_add(sc); 3923 3924 tulip_reset(sc); 3925 3926 ether_ifattach(&(sc)->tulip_if, sc->tulip_enaddr, NULL); 3927 ifp->if_snd.ifq_maxlen = ifqmaxlen; 3928 } 3929 3930 static void 3931 tulip_detach(tulip_softc_t *sc) 3932 { 3933 ifmedia_removeall(&sc->tulip_ifmedia); 3934 ether_ifdetach(&sc->tulip_if); 3935 } 3936 3937 static void 3938 tulip_initcsrs(tulip_softc_t *sc, tulip_csrptr_t csr_base, size_t csr_size) 3939 { 3940 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 3941 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 3942 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 3943 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 3944 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 3945 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 3946 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 3947 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 3948 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 3949 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 3950 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 3951 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 3952 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 3953 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 3954 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 3955 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 3956 } 3957 3958 static void 3959 tulip_initring(tulip_softc_t *sc, tulip_ringinfo_t *ri, tulip_desc_t *descs, 3960 int ndescs) 3961 { 3962 ri->ri_max = ndescs; 3963 ri->ri_first = descs; 3964 ri->ri_last = ri->ri_first + ri->ri_max; 3965 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 3966 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 3967 } 3968 3969 /* 3970 * This is the PCI configuration support. 3971 */ 3972 3973 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 3974 #define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 3975 #define PCI_CFDA 0x40 /* Configuration Driver Area */ 3976 3977 static int 3978 tulip_pci_probe(device_t dev) 3979 { 3980 const char *name = NULL; 3981 3982 if (pci_get_vendor(dev) != DEC_VENDORID) 3983 return ENXIO; 3984 3985 /* 3986 * Some LanMedia WAN cards use the Tulip chip, but they have 3987 * their own driver, and we should not recognize them 3988 */ 3989 if (pci_get_subvendor(dev) == 0x1376) 3990 return ENXIO; 3991 3992 switch (pci_get_device(dev)) { 3993 case CHIPID_21040: 3994 name = "Digital 21040 Ethernet"; 3995 break; 3996 case CHIPID_21041: 3997 name = "Digital 21041 Ethernet"; 3998 break; 3999 case CHIPID_21140: 4000 if (pci_get_revid(dev) >= 0x20) 4001 name = "Digital 21140A Fast Ethernet"; 4002 else 4003 name = "Digital 21140 Fast Ethernet"; 4004 break; 4005 case CHIPID_21142: 4006 if (pci_get_revid(dev) >= 0x20) 4007 name = "Digital 21143 Fast Ethernet"; 4008 else 4009 name = "Digital 21142 Fast Ethernet"; 4010 break; 4011 } 4012 if (name) { 4013 device_set_desc(dev, name); 4014 return -200; 4015 } 4016 return ENXIO; 4017 } 4018 4019 static int 4020 tulip_shutdown(device_t dev) 4021 { 4022 tulip_softc_t *sc = device_get_softc(dev); 4023 4024 lwkt_serialize_enter(sc->tulip_if.if_serializer); 4025 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4026 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 4027 33MHz that comes to two microseconds but wait a 4028 bit longer anyways) */ 4029 lwkt_serialize_exit(sc->tulip_if.if_serializer); 4030 return 0; 4031 } 4032 4033 static int 4034 tulip_pci_attach(device_t dev) 4035 { 4036 tulip_softc_t *sc; 4037 int retval, idx; 4038 uint32_t revinfo, cfdainfo, cfcsinfo; 4039 u_int csroffset = TULIP_PCI_CSROFFSET; 4040 u_int csrsize = TULIP_PCI_CSRSIZE; 4041 tulip_csrptr_t csr_base; 4042 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 4043 struct resource *res; 4044 int rid; 4045 4046 if (device_get_unit(dev) >= TULIP_MAX_DEVICES) { 4047 device_printf(dev, "not configured; limit of %d reached or exceeded\n", 4048 TULIP_MAX_DEVICES); 4049 return ENXIO; 4050 } 4051 4052 revinfo = pci_get_revid(dev); 4053 cfdainfo = pci_read_config(dev, PCI_CFDA, 4); 4054 cfcsinfo = pci_read_config(dev, PCIR_COMMAND, 4); 4055 4056 /* turn busmaster on in case BIOS doesn't set it */ 4057 pci_enable_busmaster(dev); 4058 4059 if (pci_get_vendor(dev) == DEC_VENDORID) { 4060 if (pci_get_device(dev) == CHIPID_21040) 4061 chipid = TULIP_21040; 4062 else if (pci_get_device(dev) == CHIPID_21041) 4063 chipid = TULIP_21041; 4064 else if (pci_get_device(dev) == CHIPID_21140) 4065 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 4066 else if (pci_get_device(dev) == CHIPID_21142) 4067 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 4068 } 4069 if (chipid == TULIP_CHIPID_UNKNOWN) 4070 return ENXIO; 4071 4072 if (chipid == TULIP_21040 && revinfo < 0x20) { 4073 device_printf(dev, "not configured; 21040 pass 2.0 required (%d.%d found)\n", 4074 revinfo >> 4, revinfo & 0x0f); 4075 return ENXIO; 4076 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 4077 device_printf(dev, "not configured; 21140 pass 1.1 required (%d.%d found)\n", 4078 revinfo >> 4, revinfo & 0x0f); 4079 return ENXIO; 4080 } 4081 4082 sc = device_get_softc(dev); 4083 sc->tulip_dev = dev; 4084 sc->tulip_pci_busno = pci_get_bus(dev); 4085 sc->tulip_pci_devno = pci_get_slot(dev); 4086 sc->tulip_chipid = chipid; 4087 sc->tulip_flags |= TULIP_DEVICEPROBE; 4088 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 4089 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 4090 if (chipid == TULIP_21140A && revinfo <= 0x22) 4091 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 4092 if (chipid == TULIP_21140) 4093 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 4094 if (chipid != TULIP_21040 && chipid != TULIP_21140) 4095 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 4096 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 4097 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 4098 if (chipid != TULIP_21041 || revinfo >= 0x20) 4099 sc->tulip_features |= TULIP_HAVE_SIANWAY; 4100 if (chipid != TULIP_21041) 4101 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 4102 if (chipid != TULIP_21041 && revinfo >= 0x20) 4103 sc->tulip_features |= TULIP_HAVE_SIA100; 4104 } 4105 4106 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 4107 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 4108 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 4109 pci_write_config(dev, PCI_CFDA, cfdainfo, 4); 4110 DELAY(11*1000); 4111 } 4112 if_initname(&sc->tulip_if, device_get_name(dev), device_get_unit(dev)); 4113 sc->tulip_revinfo = revinfo; 4114 sc->tulip_if.if_softc = sc; 4115 #if defined(TULIP_IOMAPPED) 4116 rid = PCI_CBIO; 4117 res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 4118 #else 4119 rid = PCI_CBMA; 4120 res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); 4121 #endif 4122 if (!res) 4123 return ENXIO; 4124 sc->tulip_csrs_bst = rman_get_bustag(res); 4125 sc->tulip_csrs_bsh = rman_get_bushandle(res); 4126 csr_base = 0; 4127 4128 tulips[device_get_unit(dev)] = sc; 4129 4130 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 4131 4132 sc->tulip_rxdescs = kmalloc(sizeof(tulip_desc_t) * TULIP_RXDESCS, 4133 M_DEVBUF, M_INTWAIT); 4134 sc->tulip_txdescs = kmalloc(sizeof(tulip_desc_t) * TULIP_TXDESCS, 4135 M_DEVBUF, M_INTWAIT); 4136 4137 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 4138 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 4139 4140 /* 4141 * Make sure there won't be any interrupts or such... 4142 */ 4143 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4144 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 4145 33MHz that comes to two microseconds but wait a 4146 bit longer anyways) */ 4147 4148 if ((retval = tulip_read_macaddr(sc)) < 0) { 4149 device_printf(dev, "can't read ENET ROM (why=%d) (", retval); 4150 for (idx = 0; idx < 32; idx++) 4151 kprintf("%02x", sc->tulip_rombuf[idx]); 4152 kprintf("\n"); 4153 device_printf(dev, "%s%s pass %d.%d\n", 4154 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 4155 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 4156 device_printf(dev, "address unknown\n"); 4157 } else { 4158 void (*intr_rtn)(void *) = tulip_intr_normal; 4159 4160 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 4161 intr_rtn = tulip_intr_shared; 4162 4163 tulip_attach(sc); 4164 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 4165 void *ih; 4166 4167 rid = 0; 4168 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 4169 RF_SHAREABLE | RF_ACTIVE); 4170 if (res == 0 || bus_setup_intr(dev, res, INTR_MPSAFE, 4171 intr_rtn, sc, &ih, 4172 sc->tulip_if.if_serializer)) { 4173 device_printf(dev, "couldn't map interrupt\n"); 4174 tulip_detach(sc); 4175 kfree((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 4176 kfree((caddr_t) sc->tulip_txdescs, M_DEVBUF); 4177 return ENXIO; 4178 } 4179 4180 sc->tulip_if.if_cpuid = ithread_cpuid(rman_get_start(res)); 4181 KKASSERT(sc->tulip_if.if_cpuid >= 0 && 4182 sc->tulip_if.if_cpuid < ncpus); 4183 } 4184 } 4185 return 0; 4186 } 4187 4188 static device_method_t tulip_pci_methods[] = { 4189 /* Device interface */ 4190 DEVMETHOD(device_probe, tulip_pci_probe), 4191 DEVMETHOD(device_attach, tulip_pci_attach), 4192 DEVMETHOD(device_shutdown, tulip_shutdown), 4193 { 0, 0 } 4194 }; 4195 static driver_t tulip_pci_driver = { 4196 "de", 4197 tulip_pci_methods, 4198 sizeof(tulip_softc_t), 4199 }; 4200 static devclass_t tulip_devclass; 4201 4202 DECLARE_DUMMY_MODULE(if_de); 4203 DRIVER_MODULE(if_de, pci, tulip_pci_driver, tulip_devclass, 0, 0); 4204 4205