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