1 /* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */ 2 3 /* $FreeBSD: src/sys/pci/if_de.c,v 1.123.2.4 2000/08/04 23:25:09 peter Exp $ */ 4 /* $DragonFly: src/sys/dev/netif/de/if_de.c,v 1.42 2006/02/17 19:18:05 dillon Exp $ */ 5 6 /*- 7 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. The name of the author may not be used to endorse or promote products 16 * derived from this software withough specific prior written permission 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 * Id: if_de.c,v 1.94 1997/07/03 16:55:07 thomas Exp 30 * 31 */ 32 33 /* 34 * DEC 21040 PCI Ethernet Controller 35 * 36 * Written by Matt Thomas 37 * BPF support code stolen directly from if_ec.c 38 * 39 * This driver supports the DEC DE435 or any other PCI 40 * board which support 21040, 21041, or 21140 (mostly). 41 */ 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/mbuf.h> 46 #include <sys/socket.h> 47 #include <sys/sockio.h> 48 #include <sys/malloc.h> 49 #include <sys/kernel.h> 50 #include <sys/eventhandler.h> 51 #include <sys/thread2.h> 52 #include <machine/bus.h> 53 #include <machine/resource.h> 54 #include <sys/bus.h> 55 #include <sys/rman.h> 56 57 #include "opt_inet.h" 58 #include "opt_ipx.h" 59 60 #include <net/if.h> 61 #include <net/if_media.h> 62 #include <net/if_dl.h> 63 64 #include <net/bpf.h> 65 66 #ifdef INET 67 #include <netinet/in.h> 68 #include <netinet/if_ether.h> 69 #endif 70 71 #ifdef IPX 72 #include <netproto/ipx/ipx.h> 73 #include <netproto/ipx/ipx_if.h> 74 #endif 75 76 #ifdef NS 77 #include <netproto/ns/ns.h> 78 #include <netproto/ns/ns_if.h> 79 #endif 80 81 #include <vm/vm.h> 82 83 #include <net/if_var.h> 84 #include <vm/pmap.h> 85 #include <bus/pci/pcivar.h> 86 #include <bus/pci/pcireg.h> 87 #include <bus/pci/dc21040reg.h> 88 89 /* 90 * Intel CPUs should use I/O mapped access. 91 */ 92 #if defined(__i386__) 93 #define TULIP_IOMAPPED 94 #endif 95 96 #define TULIP_HZ 10 97 98 #include "if_devar.h" 99 100 static tulip_softc_t *tulips[TULIP_MAX_DEVICES]; 101 102 /* 103 * This module supports 104 * the DEC 21040 PCI Ethernet Controller. 105 * the DEC 21041 PCI Ethernet Controller. 106 * the DEC 21140 PCI Fast Ethernet Controller. 107 */ 108 static void tulip_mii_autonegotiate(tulip_softc_t *, u_int); 109 static void tulip_intr_shared(void *); 110 static void tulip_intr_normal(void *); 111 static void tulip_init(tulip_softc_t *); 112 static void tulip_reset(tulip_softc_t *); 113 static void tulip_ifstart(struct ifnet *); 114 static struct mbuf *tulip_txput(tulip_softc_t *, struct mbuf *); 115 static void tulip_txput_setup(tulip_softc_t *); 116 static void tulip_rx_intr(tulip_softc_t *); 117 static void tulip_addr_filter(tulip_softc_t *); 118 static u_int tulip_mii_readreg(tulip_softc_t *, u_int, u_int); 119 static void tulip_mii_writereg(tulip_softc_t *, u_int, u_int, u_int); 120 static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 121 static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t *); 122 static int tulip_srom_decode(tulip_softc_t *); 123 static int tulip_ifmedia_change(struct ifnet *); 124 static void tulip_ifmedia_status(struct ifnet *, struct ifmediareq *); 125 /* static void tulip_21140_map_media(tulip_softc_t *sc); */ 126 127 static void 128 tulip_timeout_callback(void *arg) 129 { 130 tulip_softc_t *sc = arg; 131 132 lwkt_serialize_enter(sc->tulip_if.if_serializer); 133 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 134 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 135 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 136 lwkt_serialize_exit(sc->tulip_if.if_serializer); 137 } 138 139 static void 140 tulip_timeout(tulip_softc_t *sc) 141 { 142 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 143 return; 144 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 145 callout_reset(&sc->tulip_timer, (hz + TULIP_HZ / 2) / TULIP_HZ, 146 tulip_timeout_callback, sc); 147 } 148 149 static int 150 tulip_txprobe(tulip_softc_t *sc) 151 { 152 struct mbuf *m; 153 154 /* 155 * Before we are sure this is the right media we need 156 * to send a small packet to make sure there's carrier. 157 * Strangely, BNC and AUI will "see" receive data if 158 * either is connected so the transmit is the only way 159 * to verify the connectivity. 160 */ 161 MGETHDR(m, MB_DONTWAIT, MT_DATA); 162 if (m == NULL) 163 return 0; 164 /* 165 * Construct a LLC TEST message which will point to ourselves. 166 */ 167 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6); 168 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6); 169 mtod(m, struct ether_header *)->ether_type = htons(3); 170 mtod(m, unsigned char *)[14] = 0; 171 mtod(m, unsigned char *)[15] = 0; 172 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 173 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 174 /* 175 * send it! 176 */ 177 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 178 sc->tulip_intrmask |= TULIP_STS_TXINTR; 179 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 180 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 181 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 182 if ((m = tulip_txput(sc, m)) != NULL) 183 m_freem(m); 184 sc->tulip_probe.probe_txprobes++; 185 return 1; 186 } 187 188 #ifdef BIG_PACKET 189 #define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0) 190 #else 191 #define TULIP_SIAGEN_WATCHDOG 0 192 #endif 193 194 static void 195 tulip_media_set(tulip_softc_t *sc, tulip_media_t media) 196 { 197 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 198 199 if (mi == NULL) 200 return; 201 202 /* 203 * If we are switching media, make sure we don't think there's 204 * any stale RX activity 205 */ 206 sc->tulip_flags &= ~TULIP_RXACT; 207 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 208 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 209 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 210 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 211 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 212 DELAY(50); 213 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 214 } else { 215 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 216 } 217 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 218 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 219 #define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 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_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 230 DELAY(10); 231 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 232 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 233 /* 234 * If the cmdmode bits don't match the currently operating mode, 235 * set the cmdmode appropriately and reset the chip. 236 */ 237 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 238 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 239 sc->tulip_cmdmode |= mi->mi_cmdmode; 240 tulip_reset(sc); 241 } 242 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 243 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 244 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 245 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 246 int idx; 247 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 248 const u_int8_t *dp; 249 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 250 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 251 DELAY(10); 252 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 253 } 254 sc->tulip_phyaddr = mi->mi_phyaddr; 255 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 256 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 257 DELAY(10); 258 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 259 } 260 } else { 261 for (idx = 0; idx < mi->mi_reset_length; idx++) { 262 DELAY(10); 263 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 264 } 265 sc->tulip_phyaddr = mi->mi_phyaddr; 266 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 267 DELAY(10); 268 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 269 } 270 } 271 if (sc->tulip_flags & TULIP_TRYNWAY) { 272 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 273 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 274 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 275 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 276 sc->tulip_flags &= ~TULIP_DIDNWAY; 277 if (TULIP_IS_MEDIA_FD(media)) 278 data |= PHYCTL_FULL_DUPLEX; 279 if (TULIP_IS_MEDIA_100MB(media)) 280 data |= PHYCTL_SELECT_100MB; 281 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 282 } 283 } 284 } 285 286 static void 287 tulip_linkup(tulip_softc_t *sc, tulip_media_t media) 288 { 289 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 290 sc->tulip_flags |= TULIP_PRINTLINKUP; 291 sc->tulip_flags |= TULIP_LINKUP; 292 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 293 #if 0 /* XXX how does with work with ifmedia? */ 294 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 295 if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { 296 if (TULIP_CAN_MEDIA_FD(media) 297 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 298 media = TULIP_FD_MEDIA_OF(media); 299 } else { 300 if (TULIP_IS_MEDIA_FD(media) 301 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 302 media = TULIP_HD_MEDIA_OF(media); 303 } 304 } 305 #endif 306 if (sc->tulip_media != media) { 307 sc->tulip_media = media; 308 sc->tulip_flags |= TULIP_PRINTMEDIA; 309 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 310 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 311 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 312 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 313 } 314 } 315 /* 316 * We could set probe_timeout to 0 but setting to 3000 puts this 317 * in one central place and the only matters is tulip_link is 318 * followed by a tulip_timeout. Therefore setting it should not 319 * result in aberrant behavour. 320 */ 321 sc->tulip_probe_timeout = 3000; 322 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 323 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 324 if (sc->tulip_flags & TULIP_INRESET) { 325 tulip_media_set(sc, sc->tulip_media); 326 } else if (sc->tulip_probe_media != sc->tulip_media) { 327 /* 328 * No reason to change media if we have the right media. 329 */ 330 tulip_reset(sc); 331 } 332 tulip_init(sc); 333 } 334 335 static void 336 tulip_media_print(tulip_softc_t *sc) 337 { 338 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 339 return; 340 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 341 if_printf(&sc->tulip_if, "enabling %s port\n", 342 tulip_mediums[sc->tulip_media]); 343 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 344 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 345 if_printf(&sc->tulip_if, "link up\n"); 346 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 347 } 348 } 349 350 #if defined(TULIP_DO_GPR_SENSE) 351 static tulip_media_t 352 tulip_21140_gpr_media_sense(tulip_softc_t *sc) 353 { 354 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 355 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 356 tulip_media_t media; 357 358 /* 359 * If one of the media blocks contained a default media flag, 360 * use that. 361 */ 362 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 363 const tulip_media_info_t *mi; 364 /* 365 * Media is not supported (or is full-duplex). 366 */ 367 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 368 continue; 369 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 370 continue; 371 372 /* 373 * Remember the media is this is the "default" media. 374 */ 375 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 376 maybe_media = media; 377 378 /* 379 * No activity mask? Can't see if it is active if there's no mask. 380 */ 381 if (mi->mi_actmask == 0) 382 continue; 383 384 /* 385 * Does the activity data match? 386 */ 387 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 388 continue; 389 390 /* 391 * It does! If this is the first media we detected, then 392 * remember this media. If isn't the first, then there were 393 * multiple matches which we equate to no match (since we don't 394 * which to select (if any). 395 */ 396 if (last_media == TULIP_MEDIA_UNKNOWN) { 397 last_media = media; 398 } else if (last_media != media) { 399 last_media = TULIP_MEDIA_UNKNOWN; 400 } 401 } 402 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 403 } 404 #endif /* TULIP_DO_GPR_SENSE */ 405 406 static tulip_link_status_t 407 tulip_media_link_monitor(tulip_softc_t *sc) 408 { 409 const tulip_media_info_t *mi = sc->tulip_mediums[sc->tulip_media]; 410 tulip_link_status_t linkup = TULIP_LINK_DOWN; 411 412 if (mi == NULL) { 413 #if defined(DIAGNOSTIC) 414 panic("tulip_media_link_monitor: %s: botch at line %d\n", 415 tulip_mediums[sc->tulip_media],__LINE__); 416 #endif 417 return TULIP_LINK_UNKNOWN; 418 } 419 420 421 /* 422 * Have we seen some packets? If so, the link must be good. 423 */ 424 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 425 sc->tulip_flags &= ~TULIP_RXACT; 426 sc->tulip_probe_timeout = 3000; 427 return TULIP_LINK_UP; 428 } 429 430 sc->tulip_flags &= ~TULIP_RXACT; 431 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 432 u_int32_t status; 433 /* 434 * Read the PHY status register. 435 */ 436 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 437 if (status & PHYSTS_AUTONEG_DONE) { 438 /* 439 * If the PHY has completed autonegotiation, see the if the 440 * remote systems abilities have changed. If so, upgrade or 441 * downgrade as appropriate. 442 */ 443 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 444 abilities = (abilities << 6) & status; 445 if (abilities != sc->tulip_abilities) { 446 if (tulip_mii_map_abilities(sc, abilities)) { 447 tulip_linkup(sc, sc->tulip_probe_media); 448 return TULIP_LINK_UP; 449 } 450 /* 451 * if we had selected media because of autonegotiation, 452 * we need to probe for the new media. 453 */ 454 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 455 if (sc->tulip_flags & TULIP_DIDNWAY) 456 return TULIP_LINK_DOWN; 457 } 458 } 459 /* 460 * The link is now up. If was down, say its back up. 461 */ 462 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 463 linkup = TULIP_LINK_UP; 464 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 465 /* 466 * No activity sensor? Assume all's well. 467 */ 468 if (mi->mi_actmask == 0) 469 return TULIP_LINK_UNKNOWN; 470 /* 471 * Does the activity data match? 472 */ 473 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 474 linkup = TULIP_LINK_UP; 475 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 476 /* 477 * Assume non TP ok for now. 478 */ 479 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 480 return TULIP_LINK_UNKNOWN; 481 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 482 linkup = TULIP_LINK_UP; 483 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 484 return TULIP_LINK_UNKNOWN; 485 } 486 /* 487 * We will wait for 3 seconds until the link goes into suspect mode. 488 */ 489 if (sc->tulip_flags & TULIP_LINKUP) { 490 if (linkup == TULIP_LINK_UP) 491 sc->tulip_probe_timeout = 3000; 492 if (sc->tulip_probe_timeout > 0) 493 return TULIP_LINK_UP; 494 495 sc->tulip_flags &= ~TULIP_LINKUP; 496 if_printf(&sc->tulip_if, "link down: cable problem?\n"); 497 } 498 return TULIP_LINK_DOWN; 499 } 500 501 static void 502 tulip_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event) 503 { 504 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 505 && event == TULIP_MEDIAPOLL_TIMER) { 506 switch (tulip_media_link_monitor(sc)) { 507 case TULIP_LINK_DOWN: { 508 /* 509 * Link Monitor failed. Probe for new media. 510 */ 511 event = TULIP_MEDIAPOLL_LINKFAIL; 512 break; 513 } 514 case TULIP_LINK_UP: { 515 /* 516 * Check again soon. 517 */ 518 tulip_timeout(sc); 519 return; 520 } 521 case TULIP_LINK_UNKNOWN: { 522 /* 523 * We can't tell so don't bother. 524 */ 525 return; 526 } 527 } 528 } 529 530 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 531 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 532 if (TULIP_DO_AUTOSENSE(sc)) { 533 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 534 if (sc->tulip_if.if_flags & IFF_UP) 535 tulip_reset(sc); /* restart probe */ 536 } 537 return; 538 } 539 } 540 541 if (event == TULIP_MEDIAPOLL_START) { 542 sc->tulip_if.if_flags |= IFF_OACTIVE; 543 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 544 return; 545 sc->tulip_probe_mediamask = 0; 546 sc->tulip_probe_passes = 0; 547 /* 548 * If the SROM contained an explicit media to use, use it. 549 */ 550 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 551 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 552 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 553 /* 554 * connidx is defaulted to a media_unknown type. 555 */ 556 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 557 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 558 tulip_linkup(sc, sc->tulip_probe_media); 559 tulip_timeout(sc); 560 return; 561 } 562 563 if (sc->tulip_features & TULIP_HAVE_GPR) { 564 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 565 sc->tulip_probe_timeout = 2000; 566 } else { 567 sc->tulip_probe_media = TULIP_MEDIA_MAX; 568 sc->tulip_probe_timeout = 0; 569 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 570 } 571 } 572 573 /* 574 * Ignore txprobe failures or spurious callbacks. 575 */ 576 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 577 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 578 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 579 return; 580 } 581 582 /* 583 * If we really transmitted a packet, then that's the media we'll use. 584 */ 585 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 586 if (event == TULIP_MEDIAPOLL_LINKPASS) { 587 /* XXX Check media status just to be sure */ 588 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 589 } 590 tulip_linkup(sc, sc->tulip_probe_media); 591 tulip_timeout(sc); 592 return; 593 } 594 595 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 596 #if defined(TULIP_DO_GPR_SENSE) 597 /* 598 * Check for media via the general purpose register. 599 * 600 * Try to sense the media via the GPR. If the same value 601 * occurs 3 times in a row then just use that. 602 */ 603 if (sc->tulip_probe_timeout > 0) { 604 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 605 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 606 if (new_probe_media == sc->tulip_probe_media) { 607 if (--sc->tulip_probe_count == 0) 608 tulip_linkup(sc, sc->tulip_probe_media); 609 } else { 610 sc->tulip_probe_count = 10; 611 } 612 } 613 sc->tulip_probe_media = new_probe_media; 614 tulip_timeout(sc); 615 return; 616 } 617 #endif /* TULIP_DO_GPR_SENSE */ 618 /* 619 * Brute force. We cycle through each of the media types 620 * and try to transmit a packet. 621 */ 622 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 623 sc->tulip_probe_media = TULIP_MEDIA_MAX; 624 sc->tulip_probe_timeout = 0; 625 tulip_timeout(sc); 626 return; 627 } 628 629 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 630 && (sc->tulip_features & TULIP_HAVE_MII)) { 631 tulip_media_t old_media = sc->tulip_probe_media; 632 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 633 switch (sc->tulip_probe_state) { 634 case TULIP_PROBE_FAILED: 635 case TULIP_PROBE_MEDIATEST: { 636 /* 637 * Try the next media. 638 */ 639 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 640 sc->tulip_probe_timeout = 0; 641 #ifdef notyet 642 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 643 break; 644 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 645 break; 646 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 647 #endif 648 break; 649 } 650 case TULIP_PROBE_PHYAUTONEG: { 651 return; 652 } 653 case TULIP_PROBE_INACTIVE: { 654 /* 655 * Only probe if we autonegotiated a media that hasn't failed. 656 */ 657 sc->tulip_probe_timeout = 0; 658 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 659 sc->tulip_probe_media = old_media; 660 break; 661 } 662 tulip_linkup(sc, sc->tulip_probe_media); 663 tulip_timeout(sc); 664 return; 665 } 666 default: { 667 #if defined(DIAGNOSTIC) 668 panic("tulip_media_poll: botch at line %d\n", __LINE__); 669 #endif 670 break; 671 } 672 } 673 } 674 675 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 676 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 677 return; 678 } 679 680 /* 681 * switch to another media if we tried this one enough. 682 */ 683 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 684 /* 685 * Find the next media type to check for. Full Duplex 686 * types are not allowed. 687 */ 688 do { 689 sc->tulip_probe_media -= 1; 690 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 691 if (++sc->tulip_probe_passes == 3) { 692 if_printf(&sc->tulip_if, "autosense failed: cable problem?\n"); 693 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 694 sc->tulip_if.if_flags &= ~IFF_RUNNING; 695 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 696 return; 697 } 698 } 699 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 700 sc->tulip_probe_mediamask = 0; 701 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 702 } 703 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 704 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 705 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 706 707 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 708 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 709 sc->tulip_probe.probe_txprobes = 0; 710 tulip_reset(sc); 711 tulip_media_set(sc, sc->tulip_probe_media); 712 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 713 } 714 tulip_timeout(sc); 715 716 /* 717 * If this is hanging off a phy, we know are doing NWAY and we have 718 * forced the phy to a specific speed. Wait for link up before 719 * before sending a packet. 720 */ 721 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 722 case TULIP_MEDIAINFO_MII: { 723 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 724 return; 725 break; 726 } 727 case TULIP_MEDIAINFO_SIA: { 728 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 729 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 730 return; 731 tulip_linkup(sc, sc->tulip_probe_media); 732 #ifdef notyet 733 if (sc->tulip_features & TULIP_HAVE_MII) 734 tulip_timeout(sc); 735 #endif 736 return; 737 } 738 break; 739 } 740 case TULIP_MEDIAINFO_RESET: 741 case TULIP_MEDIAINFO_SYM: 742 case TULIP_MEDIAINFO_NONE: 743 case TULIP_MEDIAINFO_GPR: { 744 break; 745 } 746 } 747 /* 748 * Try to send a packet. 749 */ 750 tulip_txprobe(sc); 751 } 752 753 static void 754 tulip_media_select(tulip_softc_t *sc) 755 { 756 if (sc->tulip_features & TULIP_HAVE_GPR) { 757 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 758 DELAY(10); 759 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 760 } 761 /* 762 * If this board has no media, just return 763 */ 764 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 765 return; 766 767 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 768 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 769 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 770 } else { 771 tulip_media_set(sc, sc->tulip_media); 772 } 773 } 774 775 static void 776 tulip_21040_mediainfo_init(tulip_softc_t *sc, tulip_media_t media) 777 { 778 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 779 |TULIP_CMD_BACKOFFCTR; 780 sc->tulip_if.if_baudrate = 10000000; 781 782 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 783 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 784 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 785 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 786 } 787 788 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 789 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 790 } 791 792 if (media == TULIP_MEDIA_UNKNOWN) { 793 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 794 } 795 } 796 797 static void 798 tulip_21040_media_probe(tulip_softc_t *sc) 799 { 800 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 801 } 802 803 static void 804 tulip_21040_10baset_only_media_probe(tulip_softc_t *sc) 805 { 806 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 807 tulip_media_set(sc, TULIP_MEDIA_10BASET); 808 sc->tulip_media = TULIP_MEDIA_10BASET; 809 } 810 811 static void 812 tulip_21040_10baset_only_media_select(tulip_softc_t *sc) 813 { 814 sc->tulip_flags |= TULIP_LINKUP; 815 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 816 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 817 sc->tulip_flags &= ~TULIP_SQETEST; 818 } else { 819 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 820 sc->tulip_flags |= TULIP_SQETEST; 821 } 822 tulip_media_set(sc, sc->tulip_media); 823 } 824 825 static void 826 tulip_21040_auibnc_only_media_probe(tulip_softc_t *sc) 827 { 828 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 829 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 830 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 831 sc->tulip_media = TULIP_MEDIA_AUIBNC; 832 } 833 834 static void 835 tulip_21040_auibnc_only_media_select(tulip_softc_t *sc) 836 { 837 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 838 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 839 } 840 841 static const tulip_boardsw_t tulip_21040_boardsw = { 842 TULIP_21040_GENERIC, 843 tulip_21040_media_probe, 844 tulip_media_select, 845 tulip_media_poll, 846 }; 847 848 static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 849 TULIP_21040_GENERIC, 850 tulip_21040_10baset_only_media_probe, 851 tulip_21040_10baset_only_media_select, 852 NULL, 853 }; 854 855 static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 856 TULIP_21040_GENERIC, 857 tulip_21040_auibnc_only_media_probe, 858 tulip_21040_auibnc_only_media_select, 859 NULL, 860 }; 861 862 static void 863 tulip_21041_mediainfo_init(tulip_softc_t *sc) 864 { 865 tulip_media_info_t *mi = sc->tulip_mediainfo; 866 867 #ifdef notyet 868 if (sc->tulip_revinfo >= 0x20) { 869 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 870 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 871 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 872 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 873 return; 874 } 875 #endif 876 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 877 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 878 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 879 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 880 } 881 882 static void 883 tulip_21041_media_probe(tulip_softc_t *sc) 884 { 885 sc->tulip_if.if_baudrate = 10000000; 886 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 887 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 888 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 889 tulip_21041_mediainfo_init(sc); 890 } 891 892 static void 893 tulip_21041_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event) 894 { 895 uint32_t sia_status; 896 897 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 898 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 899 || !TULIP_DO_AUTOSENSE(sc)) 900 return; 901 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 902 tulip_reset(sc); /* start probe */ 903 return; 904 } 905 906 /* 907 * If we've been been asked to start a poll or link change interrupt 908 * restart the probe (and reset the tulip to a known state). 909 */ 910 if (event == TULIP_MEDIAPOLL_START) { 911 sc->tulip_if.if_flags |= IFF_OACTIVE; 912 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 913 #ifdef notyet 914 if (sc->tulip_revinfo >= 0x20) { 915 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 916 sc->tulip_flags |= TULIP_DIDNWAY; 917 } 918 #endif 919 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 920 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 921 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 922 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 923 tulip_media_set(sc, TULIP_MEDIA_10BASET); 924 tulip_timeout(sc); 925 return; 926 } 927 928 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 929 return; 930 931 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 932 tulip_linkup(sc, sc->tulip_probe_media); 933 return; 934 } 935 936 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 937 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 938 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 939 if (sc->tulip_revinfo >= 0x20) { 940 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 941 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 942 } 943 /* 944 * If the link has passed LinkPass, 10baseT is the 945 * proper media to use. 946 */ 947 tulip_linkup(sc, sc->tulip_probe_media); 948 return; 949 } 950 951 /* 952 * wait for up to 2.4 seconds for the link to reach pass state. 953 * Only then start scanning the other media for activity. 954 * choose media with receive activity over those without. 955 */ 956 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 957 if (event != TULIP_MEDIAPOLL_TIMER) 958 return; 959 if (sc->tulip_probe_timeout > 0 960 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 961 tulip_timeout(sc); 962 return; 963 } 964 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 965 sc->tulip_flags |= TULIP_WANTRXACT; 966 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 967 sc->tulip_probe_media = TULIP_MEDIA_BNC; 968 } else { 969 sc->tulip_probe_media = TULIP_MEDIA_AUI; 970 } 971 tulip_media_set(sc, sc->tulip_probe_media); 972 tulip_timeout(sc); 973 return; 974 } 975 976 /* 977 * If we failed, clear the txprobe active flag. 978 */ 979 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 980 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 981 982 983 if (event == TULIP_MEDIAPOLL_TIMER) { 984 /* 985 * If we've received something, then that's our link! 986 */ 987 if (sc->tulip_flags & TULIP_RXACT) { 988 tulip_linkup(sc, sc->tulip_probe_media); 989 return; 990 } 991 /* 992 * if no txprobe active 993 */ 994 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 995 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 996 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 997 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 998 tulip_txprobe(sc); 999 tulip_timeout(sc); 1000 return; 1001 } 1002 /* 1003 * Take 2 passes through before deciding to not 1004 * wait for receive activity. Then take another 1005 * two passes before spitting out a warning. 1006 */ 1007 if (sc->tulip_probe_timeout <= 0) { 1008 if (sc->tulip_flags & TULIP_WANTRXACT) { 1009 sc->tulip_flags &= ~TULIP_WANTRXACT; 1010 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1011 } else { 1012 if_printf(&sc->tulip_if, "autosense failed: cable problem?\n"); 1013 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1014 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1015 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1016 return; 1017 } 1018 } 1019 } 1020 } 1021 1022 /* 1023 * Since this media failed to probe, try the other one. 1024 */ 1025 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1026 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1027 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1028 } else { 1029 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1030 } 1031 tulip_media_set(sc, sc->tulip_probe_media); 1032 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1033 tulip_timeout(sc); 1034 } 1035 1036 static const tulip_boardsw_t tulip_21041_boardsw = { 1037 TULIP_21041_GENERIC, 1038 tulip_21041_media_probe, 1039 tulip_media_select, 1040 tulip_21041_media_poll 1041 }; 1042 1043 static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1044 { 0x20005c00, 0, /* 08-00-17 */ 1045 { 1046 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1047 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1048 }, 1049 }, 1050 { 0x0281F400, 0, /* 00-A0-7D */ 1051 { 1052 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1053 { }, /* 100TX */ 1054 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1055 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1056 }, 1057 }, 1058 #if 0 1059 { 0x0015F420, 0, /* 00-A0-7D */ 1060 { 1061 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1062 { }, /* 100TX */ 1063 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1064 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1065 }, 1066 }, 1067 #endif 1068 { 0x0281F400, 0, /* 00-A0-BE */ 1069 { 1070 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1071 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1072 { }, /* 100T4 */ 1073 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1074 }, 1075 }, 1076 { 0 } 1077 }; 1078 1079 static tulip_media_t 1080 tulip_mii_phy_readspecific(tulip_softc_t *sc) 1081 { 1082 const tulip_phy_attr_t *attr; 1083 u_int16_t data; 1084 u_int32_t id; 1085 unsigned idx = 0; 1086 static const tulip_media_t table[] = { 1087 TULIP_MEDIA_UNKNOWN, 1088 TULIP_MEDIA_10BASET, 1089 TULIP_MEDIA_100BASETX, 1090 TULIP_MEDIA_100BASET4, 1091 TULIP_MEDIA_UNKNOWN, 1092 TULIP_MEDIA_10BASET_FD, 1093 TULIP_MEDIA_100BASETX_FD, 1094 TULIP_MEDIA_UNKNOWN 1095 }; 1096 1097 /* 1098 * Don't read phy specific registers if link is not up. 1099 */ 1100 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1101 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1102 return TULIP_MEDIA_UNKNOWN; 1103 1104 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1105 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1106 for (attr = tulip_mii_phy_attrlist;; attr++) { 1107 if (attr->attr_id == 0) 1108 return TULIP_MEDIA_UNKNOWN; 1109 if ((id & ~0x0F) == attr->attr_id) 1110 break; 1111 } 1112 1113 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1114 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_100TX]; 1115 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1116 if ((data & pm->pm_mask) == pm->pm_value) 1117 idx = 2; 1118 } 1119 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1120 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_100T4]; 1121 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1122 if ((data & pm->pm_mask) == pm->pm_value) 1123 idx = 3; 1124 } 1125 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1126 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_10T]; 1127 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1128 if ((data & pm->pm_mask) == pm->pm_value) 1129 idx = 1; 1130 } 1131 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1132 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1133 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1134 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1135 } 1136 return table[idx]; 1137 } 1138 1139 static u_int 1140 tulip_mii_get_phyaddr(tulip_softc_t *sc, u_int offset) 1141 { 1142 u_int phyaddr; 1143 1144 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1145 u_int status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1146 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1147 continue; 1148 if (offset == 0) 1149 return phyaddr; 1150 offset--; 1151 } 1152 if (offset == 0) { 1153 u_int status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1154 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1155 return TULIP_MII_NOPHY; 1156 return 0; 1157 } 1158 return TULIP_MII_NOPHY; 1159 } 1160 1161 static int 1162 tulip_mii_map_abilities(tulip_softc_t *sc, u_int abilities) 1163 { 1164 sc->tulip_abilities = abilities; 1165 if (abilities & PHYSTS_100BASETX_FD) { 1166 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1167 } else if (abilities & PHYSTS_100BASET4) { 1168 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1169 } else if (abilities & PHYSTS_100BASETX) { 1170 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1171 } else if (abilities & PHYSTS_10BASET_FD) { 1172 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1173 } else if (abilities & PHYSTS_10BASET) { 1174 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1175 } else { 1176 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1177 return 0; 1178 } 1179 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1180 return 1; 1181 } 1182 1183 static void 1184 tulip_mii_autonegotiate(tulip_softc_t *sc, u_int phyaddr) 1185 { 1186 switch (sc->tulip_probe_state) { 1187 case TULIP_PROBE_MEDIATEST: 1188 case TULIP_PROBE_INACTIVE: { 1189 sc->tulip_flags |= TULIP_DIDNWAY; 1190 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1191 sc->tulip_probe_timeout = 3000; 1192 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1193 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1194 /* FALL THROUGH */ 1195 } 1196 case TULIP_PROBE_PHYRESET: { 1197 uint32_t status; 1198 uint32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1199 if (data & PHYCTL_RESET) { 1200 if (sc->tulip_probe_timeout > 0) { 1201 tulip_timeout(sc); 1202 return; 1203 } 1204 if_printf(&sc->tulip_if, 1205 "(phy%d): error: reset of PHY never completed!\n", phyaddr); 1206 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1207 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1208 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1209 return; 1210 } 1211 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1212 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1213 sc->tulip_flags &= ~TULIP_DIDNWAY; 1214 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1215 return; 1216 } 1217 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1218 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1219 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1220 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1221 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1222 sc->tulip_probe_timeout = 3000; 1223 /* FALL THROUGH */ 1224 } 1225 case TULIP_PROBE_PHYAUTONEG: { 1226 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1227 u_int32_t data; 1228 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1229 if (sc->tulip_probe_timeout > 0) { 1230 tulip_timeout(sc); 1231 return; 1232 } 1233 sc->tulip_flags &= ~TULIP_DIDNWAY; 1234 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1235 return; 1236 } 1237 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1238 data = (data << 6) & status; 1239 if (!tulip_mii_map_abilities(sc, data)) 1240 sc->tulip_flags &= ~TULIP_DIDNWAY; 1241 return; 1242 } 1243 default: { 1244 #if defined(DIAGNOSTIC) 1245 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1246 #endif 1247 break; 1248 } 1249 } 1250 } 1251 1252 static void 1253 tulip_2114x_media_preset(tulip_softc_t *sc) 1254 { 1255 const tulip_media_info_t *mi = NULL; 1256 tulip_media_t media = sc->tulip_media; 1257 1258 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1259 media = sc->tulip_media; 1260 else 1261 media = sc->tulip_probe_media; 1262 1263 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1264 sc->tulip_flags &= ~TULIP_SQETEST; 1265 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1266 mi = sc->tulip_mediums[media]; 1267 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1268 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1269 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1270 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1271 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1272 sc->tulip_cmdmode |= mi->mi_cmdmode; 1273 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1274 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1275 } 1276 } 1277 switch (media) { 1278 case TULIP_MEDIA_BNC: 1279 case TULIP_MEDIA_AUI: 1280 case TULIP_MEDIA_10BASET: { 1281 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1282 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1283 sc->tulip_if.if_baudrate = 10000000; 1284 sc->tulip_flags |= TULIP_SQETEST; 1285 break; 1286 } 1287 case TULIP_MEDIA_10BASET_FD: { 1288 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1289 sc->tulip_if.if_baudrate = 10000000; 1290 break; 1291 } 1292 case TULIP_MEDIA_100BASEFX: 1293 case TULIP_MEDIA_100BASET4: 1294 case TULIP_MEDIA_100BASETX: { 1295 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1296 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1297 sc->tulip_if.if_baudrate = 100000000; 1298 break; 1299 } 1300 case TULIP_MEDIA_100BASEFX_FD: 1301 case TULIP_MEDIA_100BASETX_FD: { 1302 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1303 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1304 sc->tulip_if.if_baudrate = 100000000; 1305 break; 1306 } 1307 default: { 1308 break; 1309 } 1310 } 1311 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1312 } 1313 1314 /* 1315 ******************************************************************** 1316 * Start of 21140/21140A support which does not use the MII interface 1317 */ 1318 1319 static void 1320 tulip_null_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event) 1321 { 1322 #if defined(DIAGNOSTIC) 1323 if_printf(&sc->tulip_if, "botch(media_poll) at line %d\n", __LINE__); 1324 #endif 1325 } 1326 1327 static void 1328 tulip_21140_mediainit(tulip_softc_t *sc, tulip_media_info_t *mip, 1329 tulip_media_t media, u_int gpdata, u_int cmdmode) 1330 { 1331 sc->tulip_mediums[media] = mip; 1332 mip->mi_type = TULIP_MEDIAINFO_GPR; 1333 mip->mi_cmdmode = cmdmode; 1334 mip->mi_gpdata = gpdata; 1335 } 1336 1337 static void 1338 tulip_21140_evalboard_media_probe(tulip_softc_t *sc) 1339 { 1340 tulip_media_info_t *mip = sc->tulip_mediainfo; 1341 1342 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1343 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1344 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1345 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1346 TULIP_CSR_WRITE(sc, csr_command, 1347 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1348 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1349 TULIP_CSR_WRITE(sc, csr_command, 1350 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1351 DELAY(1000000); 1352 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1353 sc->tulip_media = TULIP_MEDIA_10BASET; 1354 } else { 1355 sc->tulip_media = TULIP_MEDIA_100BASETX; 1356 } 1357 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1358 TULIP_GP_EB_INIT, 1359 TULIP_CMD_TXTHRSHLDCTL); 1360 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1361 TULIP_GP_EB_INIT, 1362 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1363 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1364 TULIP_GP_EB_INIT, 1365 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1366 |TULIP_CMD_SCRAMBLER); 1367 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1368 TULIP_GP_EB_INIT, 1369 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1370 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1371 } 1372 1373 static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1374 TULIP_21140_DEC_EB, 1375 tulip_21140_evalboard_media_probe, 1376 tulip_media_select, 1377 tulip_null_media_poll, 1378 tulip_2114x_media_preset, 1379 }; 1380 1381 static void 1382 tulip_21140_accton_media_probe(tulip_softc_t *sc) 1383 { 1384 tulip_media_info_t *mip = sc->tulip_mediainfo; 1385 u_int gpdata; 1386 1387 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1388 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1389 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1390 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1391 TULIP_CSR_WRITE(sc, csr_command, 1392 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1393 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1394 TULIP_CSR_WRITE(sc, csr_command, 1395 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1396 DELAY(1000000); 1397 gpdata = TULIP_CSR_READ(sc, csr_gp); 1398 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1399 sc->tulip_media = TULIP_MEDIA_10BASET; 1400 } else { 1401 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1402 sc->tulip_media = TULIP_MEDIA_BNC; 1403 } else { 1404 sc->tulip_media = TULIP_MEDIA_100BASETX; 1405 } 1406 } 1407 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1408 TULIP_GP_EN1207_BNC_INIT, 1409 TULIP_CMD_TXTHRSHLDCTL); 1410 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1411 TULIP_GP_EN1207_UTP_INIT, 1412 TULIP_CMD_TXTHRSHLDCTL); 1413 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1414 TULIP_GP_EN1207_UTP_INIT, 1415 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1416 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1417 TULIP_GP_EN1207_100_INIT, 1418 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1419 |TULIP_CMD_SCRAMBLER); 1420 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1421 TULIP_GP_EN1207_100_INIT, 1422 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1423 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1424 } 1425 1426 static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1427 TULIP_21140_EN1207, 1428 tulip_21140_accton_media_probe, 1429 tulip_media_select, 1430 tulip_null_media_poll, 1431 tulip_2114x_media_preset, 1432 }; 1433 1434 static void 1435 tulip_21140_smc9332_media_probe(tulip_softc_t *sc) 1436 { 1437 tulip_media_info_t *mip = sc->tulip_mediainfo; 1438 int idx, cnt = 0; 1439 1440 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1441 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1442 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1443 33MHz that comes to two microseconds but wait a 1444 bit longer anyways) */ 1445 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1446 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1447 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1448 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1449 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1450 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1451 DELAY(200000); 1452 for (idx = 1000; idx > 0; idx--) { 1453 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1454 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1455 if (++cnt > 100) 1456 break; 1457 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1458 break; 1459 } else { 1460 cnt = 0; 1461 } 1462 DELAY(1000); 1463 } 1464 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1465 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1466 TULIP_GP_SMC_9332_INIT, 1467 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1468 |TULIP_CMD_SCRAMBLER); 1469 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1470 TULIP_GP_SMC_9332_INIT, 1471 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1472 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1473 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1474 TULIP_GP_SMC_9332_INIT, 1475 TULIP_CMD_TXTHRSHLDCTL); 1476 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1477 TULIP_GP_SMC_9332_INIT, 1478 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1479 } 1480 1481 static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1482 TULIP_21140_SMC_9332, 1483 tulip_21140_smc9332_media_probe, 1484 tulip_media_select, 1485 tulip_null_media_poll, 1486 tulip_2114x_media_preset, 1487 }; 1488 1489 static void 1490 tulip_21140_cogent_em100_media_probe(tulip_softc_t *sc) 1491 { 1492 tulip_media_info_t *mip = sc->tulip_mediainfo; 1493 uint32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1494 1495 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1496 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1497 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1498 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1499 1500 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1501 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1502 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1503 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1504 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1505 1506 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1507 TULIP_GP_EM100_INIT, 1508 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1509 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1510 TULIP_GP_EM100_INIT, 1511 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1512 |TULIP_CMD_FULLDUPLEX); 1513 } else { 1514 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1515 sc->tulip_media = TULIP_MEDIA_100BASETX; 1516 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1517 TULIP_GP_EM100_INIT, 1518 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1519 |TULIP_CMD_SCRAMBLER); 1520 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1521 TULIP_GP_EM100_INIT, 1522 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1523 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1524 } 1525 } 1526 1527 static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1528 TULIP_21140_COGENT_EM100, 1529 tulip_21140_cogent_em100_media_probe, 1530 tulip_media_select, 1531 tulip_null_media_poll, 1532 tulip_2114x_media_preset 1533 }; 1534 1535 static void 1536 tulip_21140_znyx_zx34x_media_probe(tulip_softc_t *sc) 1537 { 1538 tulip_media_info_t *mip = sc->tulip_mediainfo; 1539 int cnt10 = 0, cnt100 = 0, idx; 1540 1541 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1542 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1543 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1544 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1545 TULIP_CSR_WRITE(sc, csr_command, 1546 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1547 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1548 TULIP_CSR_WRITE(sc, csr_command, 1549 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1550 1551 DELAY(200000); 1552 for (idx = 1000; idx > 0; idx--) { 1553 uint32_t csr = TULIP_CSR_READ(sc, csr_gp); 1554 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)) { 1555 if (++cnt100 > 100) 1556 break; 1557 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1558 if (++cnt10 > 100) 1559 break; 1560 } else { 1561 cnt10 = 0; 1562 cnt100 = 0; 1563 } 1564 DELAY(1000); 1565 } 1566 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1567 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1568 TULIP_GP_ZX34X_INIT, 1569 TULIP_CMD_TXTHRSHLDCTL); 1570 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1571 TULIP_GP_ZX34X_INIT, 1572 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1573 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1574 TULIP_GP_ZX34X_INIT, 1575 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1576 |TULIP_CMD_SCRAMBLER); 1577 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1578 TULIP_GP_ZX34X_INIT, 1579 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1580 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1581 } 1582 1583 static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1584 TULIP_21140_ZNYX_ZX34X, 1585 tulip_21140_znyx_zx34x_media_probe, 1586 tulip_media_select, 1587 tulip_null_media_poll, 1588 tulip_2114x_media_preset, 1589 }; 1590 1591 static void 1592 tulip_2114x_media_probe(tulip_softc_t *sc) 1593 { 1594 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE | TULIP_CMD_BACKOFFCTR | 1595 TULIP_CMD_THRSHLD72; 1596 } 1597 1598 static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1599 TULIP_21140_ISV, 1600 tulip_2114x_media_probe, 1601 tulip_media_select, 1602 tulip_media_poll, 1603 tulip_2114x_media_preset, 1604 }; 1605 1606 /* 1607 * ******** END of chip-specific handlers. *********** 1608 */ 1609 1610 /* 1611 * Code the read the SROM and MII bit streams (I2C) 1612 */ 1613 #define EMIT do { \ 1614 TULIP_CSR_WRITE(sc, csr_srom_mii, csr); \ 1615 DELAY(1); \ 1616 } while (0) 1617 1618 static void 1619 tulip_srom_idle(tulip_softc_t *sc) 1620 { 1621 u_int bit, csr; 1622 1623 csr = SROMSEL ; EMIT; 1624 csr = SROMSEL | SROMRD; EMIT; 1625 csr ^= SROMCS; EMIT; 1626 csr ^= SROMCLKON; EMIT; 1627 1628 /* 1629 * Write 25 cycles of 0 which will force the SROM to be idle. 1630 */ 1631 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1632 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1633 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1634 } 1635 csr ^= SROMCLKOFF; EMIT; 1636 csr ^= SROMCS; EMIT; 1637 csr = 0; EMIT; 1638 } 1639 1640 1641 static void 1642 tulip_srom_read(tulip_softc_t *sc) 1643 { 1644 const u_int bitwidth = SROM_BITWIDTH; 1645 const u_int cmdmask = (SROMCMD_RD << bitwidth); 1646 const u_int msb = 1 << (bitwidth + 3 - 1); 1647 u_int idx, lastidx = (1 << bitwidth) - 1; 1648 1649 tulip_srom_idle(sc); 1650 1651 for (idx = 0; idx <= lastidx; idx++) { 1652 u_int lastbit, data, bits, bit, csr; 1653 csr = SROMSEL ; EMIT; 1654 csr = SROMSEL | SROMRD; EMIT; 1655 csr ^= SROMCSON; EMIT; 1656 csr ^= SROMCLKON; EMIT; 1657 1658 lastbit = 0; 1659 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1660 u_int thisbit = bits & msb; 1661 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1662 if (thisbit != lastbit) { 1663 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1664 } else { 1665 EMIT; 1666 } 1667 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1668 lastbit = thisbit; 1669 } 1670 csr ^= SROMCLKOFF; EMIT; 1671 1672 for (data = 0, bits = 0; bits < 16; bits++) { 1673 data <<= 1; 1674 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1675 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1676 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1677 } 1678 sc->tulip_rombuf[idx*2] = data & 0xFF; 1679 sc->tulip_rombuf[idx*2+1] = data >> 8; 1680 csr = SROMSEL | SROMRD; EMIT; 1681 csr = 0; EMIT; 1682 } 1683 tulip_srom_idle(sc); 1684 } 1685 1686 #define MII_EMIT do { \ 1687 TULIP_CSR_WRITE(sc, csr_srom_mii, csr); \ 1688 DELAY(1); \ 1689 } while (0) 1690 1691 static void 1692 tulip_mii_writebits(tulip_softc_t *sc, u_int data, u_int bits) 1693 { 1694 u_int csr, msb, lastbit; 1695 1696 msb = 1 << (bits - 1); 1697 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1698 lastbit = (csr & MII_DOUT) ? msb : 0; 1699 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1700 1701 for (; bits > 0; bits--, data <<= 1) { 1702 const unsigned thisbit = data & msb; 1703 if (thisbit != lastbit) { 1704 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1705 } 1706 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1707 lastbit = thisbit; 1708 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1709 } 1710 } 1711 1712 static void 1713 tulip_mii_turnaround(tulip_softc_t *sc, u_int cmd) 1714 { 1715 u_int csr; 1716 1717 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1718 1719 if (cmd == MII_WRCMD) { 1720 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1721 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1722 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1723 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1724 } else { 1725 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1726 } 1727 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1728 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1729 } 1730 1731 static u_int 1732 tulip_mii_readbits(tulip_softc_t *sc) 1733 { 1734 u_int csr, data, idx; 1735 1736 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1737 1738 for (idx = 0, data = 0; idx < 16; idx++) { 1739 data <<= 1; /* this is NOOP on the first pass through */ 1740 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1741 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1742 data |= 1; 1743 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1744 } 1745 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1746 1747 return data; 1748 } 1749 1750 static u_int 1751 tulip_mii_readreg(tulip_softc_t *sc, u_int devaddr, u_int regno) 1752 { 1753 u_int csr; 1754 u_int data; 1755 1756 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1757 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1758 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1759 tulip_mii_writebits(sc, MII_RDCMD, 8); 1760 tulip_mii_writebits(sc, devaddr, 5); 1761 tulip_mii_writebits(sc, regno, 5); 1762 tulip_mii_turnaround(sc, MII_RDCMD); 1763 1764 data = tulip_mii_readbits(sc); 1765 return data; 1766 } 1767 1768 static void 1769 tulip_mii_writereg(tulip_softc_t *sc, u_int devaddr, u_int regno, u_int data) 1770 { 1771 u_int csr; 1772 1773 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1774 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1775 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1776 tulip_mii_writebits(sc, MII_WRCMD, 8); 1777 tulip_mii_writebits(sc, devaddr, 5); 1778 tulip_mii_writebits(sc, regno, 5); 1779 tulip_mii_turnaround(sc, MII_WRCMD); 1780 tulip_mii_writebits(sc, data, 16); 1781 } 1782 1783 #define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF) 1784 #define tulip_srom_crcok(databuf) ( \ 1785 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 1786 ((databuf)[126] | ((databuf)[127] << 8))) 1787 1788 static void 1789 tulip_identify_dec_nic(tulip_softc_t *sc) 1790 { 1791 strcpy(sc->tulip_boardid, "DEC "); 1792 #define D0 4 1793 if (sc->tulip_chipid <= TULIP_21040) 1794 return; 1795 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 1796 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 1797 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 1798 sc->tulip_boardid[D0+8] = ' '; 1799 } 1800 #undef D0 1801 } 1802 1803 static void 1804 tulip_identify_znyx_nic(tulip_softc_t * const sc) 1805 { 1806 u_int id = 0; 1807 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 1808 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 1809 u_int znyx_ptr; 1810 sc->tulip_boardid[8] = '4'; 1811 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 1812 if (znyx_ptr < 26 || znyx_ptr > 116) { 1813 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1814 return; 1815 } 1816 /* ZX344 = 0010 .. 0013FF 1817 */ 1818 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 1819 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 1820 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 1821 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 1822 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 1823 sc->tulip_boardid[9] = '2'; 1824 if (id == TULIP_ZNYX_ID_ZX342B) { 1825 sc->tulip_boardid[10] = 'B'; 1826 sc->tulip_boardid[11] = ' '; 1827 } 1828 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1829 } else if (id == TULIP_ZNYX_ID_ZX344) { 1830 sc->tulip_boardid[10] = '4'; 1831 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1832 } else if (id == TULIP_ZNYX_ID_ZX345) { 1833 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 1834 } else if (id == TULIP_ZNYX_ID_ZX346) { 1835 sc->tulip_boardid[9] = '6'; 1836 } else if (id == TULIP_ZNYX_ID_ZX351) { 1837 sc->tulip_boardid[8] = '5'; 1838 sc->tulip_boardid[9] = '1'; 1839 } 1840 } 1841 if (id == 0) { 1842 /* 1843 * Assume it's a ZX342... 1844 */ 1845 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1846 } 1847 return; 1848 } 1849 sc->tulip_boardid[8] = '1'; 1850 if (sc->tulip_chipid == TULIP_21041) { 1851 sc->tulip_boardid[10] = '1'; 1852 return; 1853 } 1854 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 1855 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 1856 if (id == TULIP_ZNYX_ID_ZX312T) { 1857 sc->tulip_boardid[9] = '2'; 1858 sc->tulip_boardid[10] = 'T'; 1859 sc->tulip_boardid[11] = ' '; 1860 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1861 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 1862 sc->tulip_boardid[9] = '4'; 1863 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1864 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1865 } else if (id == TULIP_ZNYX_ID_ZX314) { 1866 sc->tulip_boardid[9] = '4'; 1867 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1868 sc->tulip_features |= TULIP_HAVE_BASEROM; 1869 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 1870 sc->tulip_boardid[9] = '5'; 1871 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1872 } else if (id == TULIP_ZNYX_ID_ZX315) { 1873 sc->tulip_boardid[9] = '5'; 1874 sc->tulip_features |= TULIP_HAVE_BASEROM; 1875 } else { 1876 id = 0; 1877 } 1878 } 1879 if (id == 0) { 1880 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 1881 sc->tulip_boardid[9] = '4'; 1882 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1883 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1884 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 1885 sc->tulip_boardid[9] = '5'; 1886 sc->tulip_boardsw = &tulip_21040_boardsw; 1887 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1888 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 1889 sc->tulip_boardid[9] = '2'; 1890 sc->tulip_boardsw = &tulip_21040_boardsw; 1891 } 1892 } 1893 } 1894 1895 static void 1896 tulip_identify_smc_nic(tulip_softc_t * const sc) 1897 { 1898 uint32_t id1, id2, ei; 1899 int auibnc = 0, utp = 0; 1900 char *cp; 1901 1902 strcpy(sc->tulip_boardid, "SMC "); 1903 if (sc->tulip_chipid == TULIP_21041) 1904 return; 1905 if (sc->tulip_chipid != TULIP_21040) { 1906 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 1907 strcpy(&sc->tulip_boardid[4], "9332DST "); 1908 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 1909 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 1910 strcpy(&sc->tulip_boardid[4], "9334BDT "); 1911 } else { 1912 strcpy(&sc->tulip_boardid[4], "9332BDT "); 1913 } 1914 return; 1915 } 1916 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 1917 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 1918 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 1919 1920 strcpy(&sc->tulip_boardid[4], "8432"); 1921 cp = &sc->tulip_boardid[8]; 1922 if ((id1 & 1) == 0) 1923 *cp++ = 'B', auibnc = 1; 1924 if ((id1 & 0xFF) > 0x32) 1925 *cp++ = 'T', utp = 1; 1926 if ((id1 & 0x4000) == 0) 1927 *cp++ = 'A', auibnc = 1; 1928 if (id2 == 0x15) { 1929 sc->tulip_boardid[7] = '4'; 1930 *cp++ = '-'; 1931 *cp++ = 'C'; 1932 *cp++ = 'H'; 1933 *cp++ = (ei ? '2' : '1'); 1934 } 1935 *cp++ = ' '; 1936 *cp = '\0'; 1937 if (utp && !auibnc) 1938 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1939 else if (!utp && auibnc) 1940 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 1941 } 1942 1943 static void 1944 tulip_identify_cogent_nic(tulip_softc_t * const sc) 1945 { 1946 strcpy(sc->tulip_boardid, "Cogent "); 1947 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 1948 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 1949 strcat(sc->tulip_boardid, "EM100TX "); 1950 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 1951 #if defined(TULIP_COGENT_EM110TX_ID) 1952 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 1953 strcat(sc->tulip_boardid, "EM110TX "); 1954 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 1955 #endif 1956 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1957 strcat(sc->tulip_boardid, "EM100FX "); 1958 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 1959 } 1960 /* 1961 * Magic number (0x24001109U) is the SubVendor (0x2400) and 1962 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 1963 */ 1964 if (*(uint32_t *) sc->tulip_rombuf == 0x24001109U 1965 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 1966 /* 1967 * Cogent (Adaptec) is still mapping all INTs to INTA of 1968 * first 21140. Dumb! Dumb! 1969 */ 1970 strcat(sc->tulip_boardid, "EM440TX "); 1971 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 1972 } 1973 } else if (sc->tulip_chipid == TULIP_21040) { 1974 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1975 } 1976 } 1977 1978 static void 1979 tulip_identify_accton_nic(tulip_softc_t * const sc) 1980 { 1981 strcpy(sc->tulip_boardid, "ACCTON "); 1982 switch (sc->tulip_chipid) { 1983 case TULIP_21140A: 1984 strcat(sc->tulip_boardid, "EN1207 "); 1985 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 1986 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 1987 break; 1988 case TULIP_21140: 1989 strcat(sc->tulip_boardid, "EN1207TX "); 1990 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 1991 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 1992 break; 1993 case TULIP_21040: 1994 strcat(sc->tulip_boardid, "EN1203 "); 1995 sc->tulip_boardsw = &tulip_21040_boardsw; 1996 break; 1997 case TULIP_21041: 1998 strcat(sc->tulip_boardid, "EN1203 "); 1999 sc->tulip_boardsw = &tulip_21041_boardsw; 2000 break; 2001 default: 2002 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2003 break; 2004 } 2005 } 2006 2007 static void 2008 tulip_identify_asante_nic(tulip_softc_t * const sc) 2009 { 2010 strcpy(sc->tulip_boardid, "Asante "); 2011 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2012 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2013 tulip_media_info_t *mi = sc->tulip_mediainfo; 2014 int idx; 2015 /* 2016 * The Asante Fast Ethernet doesn't always ship with a valid 2017 * new format SROM. So if isn't in the new format, we cheat 2018 * set it up as if we had. 2019 */ 2020 2021 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2022 sc->tulip_gpdata = 0; 2023 2024 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2025 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2026 DELAY(100); 2027 TULIP_CSR_WRITE(sc, csr_gp, 0); 2028 2029 mi->mi_type = TULIP_MEDIAINFO_MII; 2030 mi->mi_gpr_length = 0; 2031 mi->mi_gpr_offset = 0; 2032 mi->mi_reset_length = 0; 2033 mi->mi_reset_offset = 0;; 2034 2035 mi->mi_phyaddr = TULIP_MII_NOPHY; 2036 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2037 DELAY(10000); 2038 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2039 } 2040 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2041 if_printf(&sc->tulip_if, "can't find phy 0\n"); 2042 return; 2043 } 2044 2045 sc->tulip_features |= TULIP_HAVE_MII; 2046 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2047 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2048 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2049 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2050 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2051 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2052 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2053 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2054 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2055 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2056 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2057 2058 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2059 } 2060 } 2061 2062 static void 2063 tulip_identify_compex_nic(tulip_softc_t *sc) 2064 { 2065 strcpy(sc->tulip_boardid, "COMPEX "); 2066 if (sc->tulip_chipid == TULIP_21140A) { 2067 int root_unit; 2068 tulip_softc_t *root_sc = NULL; 2069 2070 strcat(sc->tulip_boardid, "400TX/PCI "); 2071 /* 2072 * All 4 chips on these boards share an interrupt. This code 2073 * copied from tulip_read_macaddr. 2074 */ 2075 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2076 for (root_unit = device_get_unit(sc->tulip_dev) - 1; root_unit >= 0; root_unit--) { 2077 root_sc = tulips[root_unit]; 2078 if (root_sc == NULL 2079 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2080 break; 2081 root_sc = NULL; 2082 } 2083 if (root_sc != NULL 2084 && root_sc->tulip_chipid == sc->tulip_chipid 2085 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2086 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2087 sc->tulip_slaves = root_sc->tulip_slaves; 2088 root_sc->tulip_slaves = sc; 2089 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) { 2090 if_printf(&sc->tulip_if, "can't find master device for interrupts"); 2091 } 2092 } else { 2093 strcat(sc->tulip_boardid, "unknown "); 2094 } 2095 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2096 return; 2097 } 2098 2099 static int 2100 tulip_srom_decode(tulip_softc_t *sc) 2101 { 2102 u_int idx1, idx2, idx3; 2103 2104 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2105 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2106 tulip_srom_media_t srom_media; 2107 tulip_media_info_t *mi = sc->tulip_mediainfo; 2108 const uint8_t *dp; 2109 uint32_t leaf_offset, blocks, data; 2110 2111 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2112 if (shp->sh_adapter_count == 1) 2113 break; 2114 if (saip->sai_device == sc->tulip_pci_devno) 2115 break; 2116 } 2117 /* 2118 * Didn't find the right media block for this card. 2119 */ 2120 if (idx1 == shp->sh_adapter_count) 2121 return 0; 2122 2123 /* 2124 * Save the hardware address. 2125 */ 2126 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6); 2127 /* 2128 * If this is a multiple port card, add the adapter index to the last 2129 * byte of the hardware address. (if it isn't multiport, adding 0 2130 * won't hurt. 2131 */ 2132 sc->tulip_enaddr[5] += idx1; 2133 2134 leaf_offset = saip->sai_leaf_offset_lowbyte 2135 + saip->sai_leaf_offset_highbyte * 256; 2136 dp = sc->tulip_rombuf + leaf_offset; 2137 2138 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2139 2140 for (idx2 = 0;; idx2++) { 2141 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2142 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2143 break; 2144 } 2145 sc->tulip_connidx = idx2; 2146 2147 if (sc->tulip_chipid == TULIP_21041) { 2148 blocks = *dp++; 2149 for (idx2 = 0; idx2 < blocks; idx2++) { 2150 tulip_media_t media; 2151 data = *dp++; 2152 srom_media = (tulip_srom_media_t) (data & 0x3F); 2153 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2154 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2155 break; 2156 } 2157 media = tulip_srom_mediums[idx3].sm_type; 2158 if (media != TULIP_MEDIA_UNKNOWN) { 2159 if (data & TULIP_SROM_21041_EXTENDED) { 2160 mi->mi_type = TULIP_MEDIAINFO_SIA; 2161 sc->tulip_mediums[media] = mi; 2162 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2163 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2164 mi->mi_sia_general = dp[4] + dp[5] * 256; 2165 mi++; 2166 } else { 2167 switch (media) { 2168 case TULIP_MEDIA_BNC: { 2169 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2170 mi++; 2171 break; 2172 } 2173 case TULIP_MEDIA_AUI: { 2174 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2175 mi++; 2176 break; 2177 } 2178 case TULIP_MEDIA_10BASET: { 2179 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2180 mi++; 2181 break; 2182 } 2183 case TULIP_MEDIA_10BASET_FD: { 2184 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2185 mi++; 2186 break; 2187 } 2188 default: { 2189 break; 2190 } 2191 } 2192 } 2193 } 2194 if (data & TULIP_SROM_21041_EXTENDED) 2195 dp += 6; 2196 } 2197 #ifdef notdef 2198 if (blocks == 0) { 2199 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2200 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2201 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2202 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2203 } 2204 #endif 2205 } else { 2206 unsigned length, type; 2207 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2208 if (sc->tulip_features & TULIP_HAVE_GPR) 2209 sc->tulip_gpinit = *dp++; 2210 blocks = *dp++; 2211 for (idx2 = 0; idx2 < blocks; idx2++) { 2212 const uint8_t *ep; 2213 if ((*dp & 0x80) == 0) { 2214 length = 4; 2215 type = 0; 2216 } else { 2217 length = (*dp++ & 0x7f) - 1; 2218 type = *dp++ & 0x3f; 2219 } 2220 ep = dp + length; 2221 switch (type & 0x3f) { 2222 case 0: { /* 21140[A] GPR block */ 2223 tulip_media_t media; 2224 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2225 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2226 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2227 break; 2228 } 2229 media = tulip_srom_mediums[idx3].sm_type; 2230 if (media == TULIP_MEDIA_UNKNOWN) 2231 break; 2232 mi->mi_type = TULIP_MEDIAINFO_GPR; 2233 sc->tulip_mediums[media] = mi; 2234 mi->mi_gpdata = dp[1]; 2235 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2236 sc->tulip_gpdata = mi->mi_gpdata; 2237 gp_media = media; 2238 } 2239 data = dp[2] + dp[3] * 256; 2240 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2241 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2242 mi->mi_actmask = 0; 2243 } else { 2244 #if 0 2245 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2246 #endif 2247 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2248 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2249 } 2250 mi++; 2251 break; 2252 } 2253 case 1: { /* 21140[A] MII block */ 2254 const u_int phyno = *dp++; 2255 mi->mi_type = TULIP_MEDIAINFO_MII; 2256 mi->mi_gpr_length = *dp++; 2257 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2258 dp += mi->mi_gpr_length; 2259 mi->mi_reset_length = *dp++; 2260 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2261 dp += mi->mi_reset_length; 2262 2263 /* 2264 * Before we probe for a PHY, use the GPR information 2265 * to select it. If we don't, it may be inaccessible. 2266 */ 2267 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2268 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2269 DELAY(10); 2270 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2271 } 2272 sc->tulip_phyaddr = mi->mi_phyaddr; 2273 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2274 DELAY(10); 2275 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2276 } 2277 2278 /* 2279 * At least write something! 2280 */ 2281 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2282 TULIP_CSR_WRITE(sc, csr_gp, 0); 2283 2284 mi->mi_phyaddr = TULIP_MII_NOPHY; 2285 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2286 DELAY(10000); 2287 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2288 } 2289 if (mi->mi_phyaddr == TULIP_MII_NOPHY) 2290 break; 2291 sc->tulip_features |= TULIP_HAVE_MII; 2292 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2293 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2294 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2295 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2296 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2297 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2298 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2299 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2300 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2301 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2302 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2303 mi++; 2304 break; 2305 } 2306 case 2: { /* 2114[23] SIA block */ 2307 tulip_media_t media; 2308 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2309 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2310 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2311 break; 2312 } 2313 media = tulip_srom_mediums[idx3].sm_type; 2314 if (media == TULIP_MEDIA_UNKNOWN) 2315 break; 2316 mi->mi_type = TULIP_MEDIAINFO_SIA; 2317 sc->tulip_mediums[media] = mi; 2318 if (dp[0] & 0x40) { 2319 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2320 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2321 mi->mi_sia_general = dp[5] + dp[6] * 256; 2322 dp += 6; 2323 } else { 2324 switch (media) { 2325 case TULIP_MEDIA_BNC: { 2326 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2327 break; 2328 } 2329 case TULIP_MEDIA_AUI: { 2330 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2331 break; 2332 } 2333 case TULIP_MEDIA_10BASET: { 2334 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2335 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2336 break; 2337 } 2338 case TULIP_MEDIA_10BASET_FD: { 2339 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2340 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2341 break; 2342 } 2343 default: { 2344 goto bad_media; 2345 } 2346 } 2347 } 2348 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2349 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2350 mi++; 2351 bad_media: 2352 break; 2353 } 2354 case 3: { /* 2114[23] MII PHY block */ 2355 const u_int phyno = *dp++; 2356 const uint8_t *dp0; 2357 mi->mi_type = TULIP_MEDIAINFO_MII; 2358 mi->mi_gpr_length = *dp++; 2359 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2360 dp += 2 * mi->mi_gpr_length; 2361 mi->mi_reset_length = *dp++; 2362 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2363 dp += 2 * mi->mi_reset_length; 2364 2365 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2366 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2367 DELAY(10); 2368 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2369 } 2370 sc->tulip_phyaddr = mi->mi_phyaddr; 2371 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2372 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2373 DELAY(10); 2374 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2375 } 2376 2377 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2378 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2379 2380 mi->mi_phyaddr = TULIP_MII_NOPHY; 2381 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2382 DELAY(10000); 2383 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2384 } 2385 if (mi->mi_phyaddr == TULIP_MII_NOPHY) 2386 break; 2387 sc->tulip_features |= TULIP_HAVE_MII; 2388 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2389 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2390 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2391 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2392 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2393 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2394 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2395 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2396 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2397 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2398 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2399 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2400 mi++; 2401 break; 2402 } 2403 case 4: { /* 21143 SYM block */ 2404 tulip_media_t media; 2405 srom_media = (tulip_srom_media_t) dp[0]; 2406 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2407 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2408 break; 2409 } 2410 media = tulip_srom_mediums[idx3].sm_type; 2411 if (media == TULIP_MEDIA_UNKNOWN) 2412 break; 2413 mi->mi_type = TULIP_MEDIAINFO_SYM; 2414 sc->tulip_mediums[media] = mi; 2415 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2416 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2417 data = dp[5] + dp[6] * 256; 2418 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2419 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2420 mi->mi_actmask = 0; 2421 } else { 2422 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2423 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2424 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2425 } 2426 if (TULIP_IS_MEDIA_TP(media)) 2427 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2428 mi++; 2429 break; 2430 } 2431 #if 0 2432 case 5: { /* 21143 Reset block */ 2433 mi->mi_type = TULIP_MEDIAINFO_RESET; 2434 mi->mi_reset_length = *dp++; 2435 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2436 dp += 2 * mi->mi_reset_length; 2437 mi++; 2438 break; 2439 } 2440 #endif 2441 default: { 2442 } 2443 } 2444 dp = ep; 2445 } 2446 } 2447 return mi - sc->tulip_mediainfo; 2448 } 2449 2450 static const struct { 2451 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2452 unsigned char vendor_oui[3]; 2453 } tulip_vendors[] = { 2454 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2455 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2456 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2457 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2458 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2459 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2460 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2461 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2462 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2463 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2464 { NULL } 2465 }; 2466 2467 /* 2468 * This deals with the vagaries of the address roms and the 2469 * brain-deadness that various vendors commit in using them. 2470 */ 2471 static int 2472 tulip_read_macaddr(tulip_softc_t *sc) 2473 { 2474 u_int cksum, rom_cksum, idx; 2475 uint32_t csr; 2476 unsigned char tmpbuf[8]; 2477 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2478 2479 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2480 2481 if (sc->tulip_chipid == TULIP_21040) { 2482 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2483 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2484 int cnt = 0; 2485 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2486 cnt++; 2487 sc->tulip_rombuf[idx] = csr & 0xFF; 2488 } 2489 sc->tulip_boardsw = &tulip_21040_boardsw; 2490 } else { 2491 if (sc->tulip_chipid == TULIP_21041) { 2492 /* 2493 * Thankfully all 21041's act the same. 2494 */ 2495 sc->tulip_boardsw = &tulip_21041_boardsw; 2496 } else { 2497 /* 2498 * Assume all 21140 board are compatible with the 2499 * DEC 10/100 evaluation board. Not really valid but 2500 * it's the best we can do until every one switches to 2501 * the new SROM format. 2502 */ 2503 2504 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2505 } 2506 tulip_srom_read(sc); 2507 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2508 /* 2509 * SROM CRC is valid therefore it must be in the 2510 * new format. 2511 */ 2512 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2513 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2514 /* 2515 * No checksum is present. See if the SROM id checks out; 2516 * the first 18 bytes should be 0 followed by a 1 followed 2517 * by the number of adapters (which we don't deal with yet). 2518 */ 2519 for (idx = 0; idx < 18; idx++) { 2520 if (sc->tulip_rombuf[idx] != 0) 2521 break; 2522 } 2523 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2524 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2525 } else if (sc->tulip_chipid >= TULIP_21142) { 2526 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2527 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2528 } 2529 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2530 if (sc->tulip_chipid != TULIP_21041) 2531 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2532 2533 /* 2534 * If the SROM specifies more than one adapter, tag this as a 2535 * BASE rom. 2536 */ 2537 if (sc->tulip_rombuf[19] > 1) 2538 sc->tulip_features |= TULIP_HAVE_BASEROM; 2539 if (sc->tulip_boardsw == NULL) 2540 return -6; 2541 goto check_oui; 2542 } 2543 } 2544 2545 2546 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2547 /* 2548 * Some folks don't use the standard ethernet rom format 2549 * but instead just put the address in the first 6 bytes 2550 * of the rom and let the rest be all 0xffs. (Can we say 2551 * ZNYX?) (well sometimes they put in a checksum so we'll 2552 * start at 8). 2553 */ 2554 for (idx = 8; idx < 32; idx++) { 2555 if (sc->tulip_rombuf[idx] != 0xFF) 2556 return -4; 2557 } 2558 /* 2559 * Make sure the address is not multicast or locally assigned 2560 * that the OUI is not 00-00-00. 2561 */ 2562 if ((sc->tulip_rombuf[0] & 3) != 0) 2563 return -4; 2564 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2565 && sc->tulip_rombuf[2] == 0) 2566 return -4; 2567 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2568 sc->tulip_features |= TULIP_HAVE_OKROM; 2569 goto check_oui; 2570 } else { 2571 /* 2572 * A number of makers of multiport boards (ZNYX and Cogent) 2573 * only put on one address ROM on their 21040 boards. So 2574 * if the ROM is all zeros (or all 0xFFs), look at the 2575 * previous configured boards (as long as they are on the same 2576 * PCI bus and the bus number is non-zero) until we find the 2577 * master board with address ROM. We then use its address ROM 2578 * as the base for this board. (we add our relative board 2579 * to the last byte of its address). 2580 */ 2581 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2582 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2583 break; 2584 } 2585 if (idx == sizeof(sc->tulip_rombuf)) { 2586 int root_unit; 2587 tulip_softc_t *root_sc = NULL; 2588 for (root_unit = device_get_unit(sc->tulip_dev) - 1; root_unit >= 0; root_unit--) { 2589 root_sc = tulips[root_unit]; 2590 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2591 break; 2592 root_sc = NULL; 2593 } 2594 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2595 && root_sc->tulip_chipid == sc->tulip_chipid 2596 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2597 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2598 sc->tulip_boardsw = root_sc->tulip_boardsw; 2599 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2600 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2601 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2602 sizeof(sc->tulip_rombuf)); 2603 if (!tulip_srom_decode(sc)) 2604 return -5; 2605 } else { 2606 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2607 sc->tulip_enaddr[5] += device_get_unit(sc->tulip_dev) - device_get_unit(root_sc->tulip_dev); 2608 } 2609 /* 2610 * Now for a truly disgusting kludge: all 4 21040s on 2611 * the ZX314 share the same INTA line so the mapping 2612 * setup by the BIOS on the PCI bridge is worthless. 2613 * Rather than reprogramming the value in the config 2614 * register, we will handle this internally. 2615 */ 2616 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2617 sc->tulip_slaves = root_sc->tulip_slaves; 2618 root_sc->tulip_slaves = sc; 2619 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2620 } 2621 return 0; 2622 } 2623 } 2624 } 2625 2626 /* 2627 * This is the standard DEC address ROM test. 2628 */ 2629 2630 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2631 return -3; 2632 2633 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2634 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2635 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2636 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2637 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2638 return -2; 2639 2640 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2641 2642 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2643 cksum *= 2; 2644 if (cksum > 65535) cksum -= 65535; 2645 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2646 if (cksum > 65535) cksum -= 65535; 2647 cksum *= 2; 2648 if (cksum > 65535) cksum -= 65535; 2649 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2650 if (cksum >= 65535) cksum -= 65535; 2651 2652 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2653 2654 if (cksum != rom_cksum) 2655 return -1; 2656 2657 check_oui: 2658 /* 2659 * Check for various boards based on OUI. Did I say braindead? 2660 */ 2661 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2662 if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { 2663 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2664 break; 2665 } 2666 } 2667 2668 sc->tulip_features |= TULIP_HAVE_OKROM; 2669 return 0; 2670 } 2671 2672 static void 2673 tulip_ifmedia_add(tulip_softc_t * const sc) 2674 { 2675 tulip_media_t media; 2676 int medias = 0; 2677 2678 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2679 if (sc->tulip_mediums[media] != NULL) { 2680 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2681 0, 0); 2682 medias++; 2683 } 2684 } 2685 if (medias == 0) { 2686 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2687 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2688 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2689 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2690 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2691 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2692 } else { 2693 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2694 sc->tulip_flags |= TULIP_PRINTMEDIA; 2695 tulip_linkup(sc, sc->tulip_media); 2696 } 2697 } 2698 2699 static int 2700 tulip_ifmedia_change(struct ifnet *ifp) 2701 { 2702 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 2703 2704 sc->tulip_flags |= TULIP_NEEDRESET; 2705 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2706 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2707 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2708 tulip_media_t media; 2709 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2710 if (sc->tulip_mediums[media] != NULL 2711 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2712 sc->tulip_flags |= TULIP_PRINTMEDIA; 2713 sc->tulip_flags &= ~TULIP_DIDNWAY; 2714 tulip_linkup(sc, media); 2715 return 0; 2716 } 2717 } 2718 } 2719 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2720 tulip_reset(sc); 2721 tulip_init(sc); 2722 return 0; 2723 } 2724 2725 /* 2726 * Media status callback 2727 */ 2728 static void 2729 tulip_ifmedia_status(struct ifnet *ifp, struct ifmediareq *req) 2730 { 2731 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 2732 2733 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 2734 return; 2735 2736 req->ifm_status = IFM_AVALID; 2737 if (sc->tulip_flags & TULIP_LINKUP) 2738 req->ifm_status |= IFM_ACTIVE; 2739 2740 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 2741 } 2742 2743 static void 2744 tulip_addr_filter(tulip_softc_t *sc) 2745 { 2746 struct ifmultiaddr *ifma; 2747 u_char *addrp; 2748 int multicnt; 2749 2750 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 2751 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 2752 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 2753 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 2754 #if defined(IFF_ALLMULTI) 2755 if (sc->tulip_if.if_flags & IFF_ALLMULTI) 2756 sc->tulip_flags |= TULIP_ALLMULTI ; 2757 #endif 2758 2759 multicnt = 0; 2760 LIST_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) { 2761 if (ifma->ifma_addr->sa_family == AF_LINK) 2762 multicnt++; 2763 } 2764 2765 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 2766 if (multicnt > 14) { 2767 uint32_t *sp = sc->tulip_setupdata; 2768 u_int hash; 2769 /* 2770 * Some early passes of the 21140 have broken implementations of 2771 * hash-perfect mode. When we get too many multicasts for perfect 2772 * filtering with these chips, we need to switch into hash-only 2773 * mode (this is better than all-multicast on network with lots 2774 * of multicast traffic). 2775 */ 2776 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 2777 sc->tulip_flags |= TULIP_WANTHASHONLY; 2778 else 2779 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 2780 /* 2781 * If we have more than 14 multicasts, we have 2782 * go into hash perfect mode (512 bit multicast 2783 * hash and one perfect hardware). 2784 */ 2785 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 2786 2787 LIST_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) { 2788 if (ifma->ifma_addr->sa_family != AF_LINK) 2789 continue; 2790 2791 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 2792 #if BYTE_ORDER == BIG_ENDIAN 2793 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 2794 #else 2795 sp[hash >> 4] |= 1 << (hash & 0xF); 2796 #endif 2797 } 2798 /* 2799 * No reason to use a hash if we are going to be 2800 * receiving every multicast. 2801 */ 2802 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2803 hash = tulip_mchash(sc->tulip_if.if_broadcastaddr); 2804 #if BYTE_ORDER == BIG_ENDIAN 2805 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 2806 #else 2807 sp[hash >> 4] |= 1 << (hash & 0xF); 2808 #endif 2809 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 2810 hash = tulip_mchash(sc->tulip_enaddr); 2811 #if BYTE_ORDER == BIG_ENDIAN 2812 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 2813 #else 2814 sp[hash >> 4] |= 1 << (hash & 0xF); 2815 #endif 2816 } else { 2817 #if BYTE_ORDER == BIG_ENDIAN 2818 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 2819 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 2820 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 2821 #else 2822 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 2823 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 2824 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 2825 #endif 2826 } 2827 } 2828 } 2829 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 2830 uint32_t *sp = sc->tulip_setupdata; 2831 int idx = 0; 2832 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2833 /* 2834 * Else can get perfect filtering for 16 addresses. 2835 */ 2836 LIST_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) { 2837 if (ifma->ifma_addr->sa_family != AF_LINK) 2838 continue; 2839 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 2840 #if BYTE_ORDER == BIG_ENDIAN 2841 *sp++ = ((u_int16_t *) addrp)[0] << 16; 2842 *sp++ = ((u_int16_t *) addrp)[1] << 16; 2843 *sp++ = ((u_int16_t *) addrp)[2] << 16; 2844 #else 2845 *sp++ = ((u_int16_t *) addrp)[0]; 2846 *sp++ = ((u_int16_t *) addrp)[1]; 2847 *sp++ = ((u_int16_t *) addrp)[2]; 2848 #endif 2849 idx++; 2850 } 2851 /* 2852 * Add the broadcast address. 2853 */ 2854 idx++; 2855 #if BYTE_ORDER == BIG_ENDIAN 2856 *sp++ = 0xFFFF << 16; 2857 *sp++ = 0xFFFF << 16; 2858 *sp++ = 0xFFFF << 16; 2859 #else 2860 *sp++ = 0xFFFF; 2861 *sp++ = 0xFFFF; 2862 *sp++ = 0xFFFF; 2863 #endif 2864 } 2865 /* 2866 * Pad the rest with our hardware address 2867 */ 2868 for (; idx < 16; idx++) { 2869 #if BYTE_ORDER == BIG_ENDIAN 2870 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 2871 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 2872 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 2873 #else 2874 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 2875 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 2876 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 2877 #endif 2878 } 2879 } 2880 #if defined(IFF_ALLMULTI) 2881 if (sc->tulip_flags & TULIP_ALLMULTI) 2882 sc->tulip_if.if_flags |= IFF_ALLMULTI; 2883 #endif 2884 } 2885 2886 static void 2887 tulip_reset(tulip_softc_t *sc) 2888 { 2889 tulip_ringinfo_t *ri; 2890 tulip_desc_t *di; 2891 uint32_t inreset = (sc->tulip_flags & TULIP_INRESET); 2892 2893 /* 2894 * Brilliant. Simply brilliant. When switching modes/speeds 2895 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 2896 * bits in CSR6 and then do a software reset to get the 21140 2897 * to properly reset its internal pathways to the right places. 2898 * Grrrr. 2899 */ 2900 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 2901 && sc->tulip_boardsw->bd_media_preset != NULL) 2902 (*sc->tulip_boardsw->bd_media_preset)(sc); 2903 2904 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 2905 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 2906 33MHz that comes to two microseconds but wait a 2907 bit longer anyways) */ 2908 2909 if (!inreset) { 2910 sc->tulip_flags |= TULIP_INRESET; 2911 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 2912 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 2913 sc->tulip_if.if_start = tulip_ifstart; 2914 } 2915 2916 TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); 2917 TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); 2918 TULIP_CSR_WRITE(sc, csr_busmode, 2919 (1 << (3 /*pci_max_burst_len*/ + 8)) 2920 |TULIP_BUSMODE_CACHE_ALIGN8 2921 |TULIP_BUSMODE_READMULTIPLE 2922 |(BYTE_ORDER != LITTLE_ENDIAN ? 2923 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 2924 2925 sc->tulip_txtimer = 0; 2926 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 2927 /* 2928 * Free all the mbufs that were on the transmit ring. 2929 */ 2930 IF_DRAIN(&sc->tulip_txq); 2931 2932 ri = &sc->tulip_txinfo; 2933 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 2934 ri->ri_free = ri->ri_max; 2935 for (di = ri->ri_first; di < ri->ri_last; di++) 2936 di->d_status = 0; 2937 2938 /* 2939 * We need to collect all the mbufs were on the 2940 * receive ring before we reinit it either to put 2941 * them back on or to know if we have to allocate 2942 * more. 2943 */ 2944 ri = &sc->tulip_rxinfo; 2945 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 2946 ri->ri_free = ri->ri_max; 2947 for (di = ri->ri_first; di < ri->ri_last; di++) { 2948 di->d_status = 0; 2949 di->d_length1 = 0; di->d_addr1 = 0; 2950 di->d_length2 = 0; di->d_addr2 = 0; 2951 } 2952 IF_DRAIN(&sc->tulip_rxq); 2953 2954 /* 2955 * If tulip_reset is being called recurisvely, exit quickly knowing 2956 * that when the outer tulip_reset returns all the right stuff will 2957 * have happened. 2958 */ 2959 if (inreset) 2960 return; 2961 2962 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 2963 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 2964 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 2965 |TULIP_STS_RXSTOPPED; 2966 2967 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 2968 (*sc->tulip_boardsw->bd_media_select)(sc); 2969 tulip_media_print(sc); 2970 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 2971 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 2972 2973 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 2974 |TULIP_RXACT); 2975 tulip_addr_filter(sc); 2976 } 2977 2978 static void 2979 tulip_init(tulip_softc_t * const sc) 2980 { 2981 if (sc->tulip_if.if_flags & IFF_UP) { 2982 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 2983 /* initialize the media */ 2984 tulip_reset(sc); 2985 } 2986 sc->tulip_if.if_flags |= IFF_RUNNING; 2987 if (sc->tulip_if.if_flags & IFF_PROMISC) { 2988 sc->tulip_flags |= TULIP_PROMISC; 2989 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 2990 sc->tulip_intrmask |= TULIP_STS_TXINTR; 2991 } else { 2992 sc->tulip_flags &= ~TULIP_PROMISC; 2993 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 2994 if (sc->tulip_flags & TULIP_ALLMULTI) { 2995 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 2996 } else { 2997 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 2998 } 2999 } 3000 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3001 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3002 tulip_rx_intr(sc); 3003 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3004 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3005 } else { 3006 sc->tulip_if.if_flags |= IFF_OACTIVE; 3007 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3008 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3009 } 3010 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3011 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3012 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3013 tulip_txput_setup(sc); 3014 } else { 3015 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3016 tulip_reset(sc); 3017 } 3018 } 3019 3020 static void 3021 tulip_rx_intr(tulip_softc_t *sc) 3022 { 3023 tulip_ringinfo_t *ri = &sc->tulip_rxinfo; 3024 struct ifnet *ifp = &sc->tulip_if; 3025 int fillok = 1; 3026 3027 for (;;) { 3028 tulip_desc_t *eop = ri->ri_nextin; 3029 int total_len = 0, last_offset = 0; 3030 struct mbuf *ms = NULL, *me = NULL; 3031 int accept = 0; 3032 3033 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3034 goto queue_mbuf; 3035 3036 /* 3037 * If the TULIP has no descriptors, there can't be any receive 3038 * descriptors to process. 3039 */ 3040 if (eop == ri->ri_nextout) 3041 break; 3042 3043 /* 3044 * 90% of the packets will fit in one descriptor. So we optimize 3045 * for that case. 3046 */ 3047 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3048 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3049 IF_DEQUEUE(&sc->tulip_rxq, ms); 3050 me = ms; 3051 } else { 3052 /* 3053 * If still owned by the TULIP, don't touch it. 3054 */ 3055 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3056 break; 3057 3058 /* 3059 * It is possible (though improbable unless the BIG_PACKET support 3060 * is enabled or MCLBYTES < 1518) for a received packet to cross 3061 * more than one receive descriptor. 3062 */ 3063 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3064 if (++eop == ri->ri_last) 3065 eop = ri->ri_first; 3066 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3067 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3068 return; 3069 } 3070 total_len++; 3071 } 3072 3073 /* 3074 * Dequeue the first buffer for the start of the packet. Hopefully 3075 * this will be the only one we need to dequeue. However, if the 3076 * packet consumed multiple descriptors, then we need to dequeue 3077 * those buffers and chain to the starting mbuf. All buffers but 3078 * the last buffer have the same length so we can set that now. 3079 * (we add to last_offset instead of multiplying since we normally 3080 * won't go into the loop and thereby saving a ourselves from 3081 * doing a multiplication by 0 in the normal case). 3082 */ 3083 IF_DEQUEUE(&sc->tulip_rxq, ms); 3084 for (me = ms; total_len > 0; total_len--) { 3085 me->m_len = TULIP_RX_BUFLEN; 3086 last_offset += TULIP_RX_BUFLEN; 3087 IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3088 me = me->m_next; 3089 } 3090 } 3091 3092 /* 3093 * Now get the size of received packet (minus the CRC). 3094 */ 3095 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3096 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3097 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0 3098 #ifdef BIG_PACKET 3099 || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && 3100 (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT| 3101 TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC| 3102 TULIP_DSTS_RxOVERFLOW)) == 0) 3103 #endif 3104 )) { 3105 me->m_len = total_len - last_offset; 3106 3107 sc->tulip_flags |= TULIP_RXACT; 3108 accept = 1; 3109 } else { 3110 ifp->if_ierrors++; 3111 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3112 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3113 } else { 3114 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3115 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3116 } 3117 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3118 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3119 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3120 } else { 3121 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3122 } 3123 } 3124 } 3125 } 3126 ifp->if_ipackets++; 3127 if (++eop == ri->ri_last) 3128 eop = ri->ri_first; 3129 ri->ri_nextin = eop; 3130 queue_mbuf: 3131 /* 3132 * Either we are priming the TULIP with mbufs (m == NULL) 3133 * or we are about to accept an mbuf for the upper layers 3134 * so we need to allocate an mbuf to replace it. If we 3135 * can't replace it, send up it anyways. This may cause 3136 * us to drop packets in the future but that's better than 3137 * being caught in livelock. 3138 * 3139 * Note that if this packet crossed multiple descriptors 3140 * we don't even try to reallocate all the mbufs here. 3141 * Instead we rely on the test of the beginning of 3142 * the loop to refill for the extra consumed mbufs. 3143 */ 3144 if (accept || ms == NULL) { 3145 struct mbuf *m0; 3146 3147 #if defined(TULIP_COPY_RXDATA) 3148 if (!accept || total_len >= (MHLEN - 2)) 3149 m0 = m_getcl(MB_DONTWAIT, MT_DATA, M_PKTHDR); 3150 else 3151 m0 = m_gethdr(MB_DONTWAIT, MT_DATA); 3152 #else 3153 m0 = m_getcl(MB_DONTWAIT, MT_DATA, M_PKTHDR); 3154 #endif 3155 3156 if (accept 3157 #if defined(TULIP_COPY_RXDATA) 3158 && m0 != NULL 3159 #endif 3160 ) { 3161 #if !defined(TULIP_COPY_RXDATA) 3162 ms->m_pkthdr.len = total_len; 3163 ifp->if_input(ifp, ms); 3164 #else 3165 #ifdef BIG_PACKET 3166 #error BIG_PACKET is incompatible with TULIP_COPY_RXDATA 3167 #endif 3168 m0->m_data += 2; /* align data after header */ 3169 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3170 m0->m_len = m0->m_pkthdr.len = total_len; 3171 m0->m_pkthdr.rcvif = ifp; 3172 ifp->if_input(ifp, m0); 3173 m0 = ms; 3174 #endif /* ! TULIP_COPY_RXDATA */ 3175 } 3176 ms = m0; 3177 } 3178 if (ms == NULL) { 3179 /* 3180 * Couldn't allocate a new buffer. Don't bother 3181 * trying to replenish the receive queue. 3182 */ 3183 fillok = 0; 3184 sc->tulip_flags |= TULIP_RXBUFSLOW; 3185 continue; 3186 } 3187 /* 3188 * Now give the buffer(s) to the TULIP and save in our 3189 * receive queue. 3190 */ 3191 do { 3192 tulip_desc_t * const nextout = ri->ri_nextout; 3193 nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t)); 3194 nextout->d_length1 = TULIP_RX_BUFLEN; 3195 nextout->d_status = TULIP_DSTS_OWNER; 3196 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3197 if (++ri->ri_nextout == ri->ri_last) 3198 ri->ri_nextout = ri->ri_first; 3199 me = ms->m_next; 3200 ms->m_next = NULL; 3201 IF_ENQUEUE(&sc->tulip_rxq, ms); 3202 } while ((ms = me) != NULL); 3203 3204 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3205 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3206 } 3207 } 3208 3209 static int 3210 tulip_tx_intr(tulip_softc_t *sc) 3211 { 3212 tulip_ringinfo_t *ri = &sc->tulip_txinfo; 3213 struct mbuf *m; 3214 int xmits = 0; 3215 int descs = 0; 3216 3217 while (ri->ri_free < ri->ri_max) { 3218 uint32_t d_flag; 3219 3220 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3221 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3222 break; 3223 3224 ri->ri_free++; 3225 descs++; 3226 d_flag = ri->ri_nextin->d_flag; 3227 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3228 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3229 /* 3230 * We've just finished processing a setup packet. 3231 * Mark that we finished it. If there's not 3232 * another pending, startup the TULIP receiver. 3233 * Make sure we ack the RXSTOPPED so we won't get 3234 * an abormal interrupt indication. 3235 */ 3236 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3237 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3238 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3239 sc->tulip_flags |= TULIP_HASHONLY; 3240 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3241 tulip_rx_intr(sc); 3242 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3243 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3244 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3245 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3246 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3247 } 3248 } else { 3249 const uint32_t d_status = ri->ri_nextin->d_status; 3250 IF_DEQUEUE(&sc->tulip_txq, m); 3251 if (m != NULL) { 3252 m_freem(m); 3253 } 3254 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3255 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3256 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3257 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3258 } 3259 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3260 /* 3261 * Escape from the loop before media poll has reset the TULIP! 3262 */ 3263 break; 3264 } else { 3265 xmits++; 3266 if (d_status & TULIP_DSTS_ERRSUM) { 3267 sc->tulip_if.if_oerrors++; 3268 if (d_status & TULIP_DSTS_TxEXCCOLL) 3269 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3270 if (d_status & TULIP_DSTS_TxLATECOLL) 3271 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3272 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3273 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3274 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3275 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3276 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3277 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3278 if (d_status & TULIP_DSTS_TxBABBLE) 3279 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3280 } else { 3281 u_int32_t collisions = 3282 (d_status & TULIP_DSTS_TxCOLLMASK) 3283 >> TULIP_DSTS_V_TxCOLLCNT; 3284 sc->tulip_if.if_collisions += collisions; 3285 if (collisions == 1) 3286 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3287 else if (collisions > 1) 3288 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3289 else if (d_status & TULIP_DSTS_TxDEFERRED) 3290 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3291 /* 3292 * SQE is only valid for 10baseT/BNC/AUI when not 3293 * running in full-duplex. In order to speed up the 3294 * test, the corresponding bit in tulip_flags needs to 3295 * set as well to get us to count SQE Test Errors. 3296 */ 3297 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3298 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3299 } 3300 } 3301 } 3302 } 3303 3304 if (++ri->ri_nextin == ri->ri_last) 3305 ri->ri_nextin = ri->ri_first; 3306 3307 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3308 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3309 } 3310 /* 3311 * If nothing left to transmit, disable the timer. 3312 * Else if progress, reset the timer back to 2 ticks. 3313 */ 3314 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3315 sc->tulip_txtimer = 0; 3316 else if (xmits > 0) 3317 sc->tulip_txtimer = TULIP_TXTIMER; 3318 sc->tulip_if.if_opackets += xmits; 3319 return descs; 3320 } 3321 3322 static void 3323 tulip_print_abnormal_interrupt(tulip_softc_t *sc, uint32_t csr) 3324 { 3325 const char * const *msgp = tulip_status_bits; 3326 const char *sep; 3327 uint32_t mask; 3328 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3329 3330 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3331 if_printf(&sc->tulip_if, "abnormal interrupt:"); 3332 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3333 if ((csr & mask) && *msgp != NULL) { 3334 printf("%s%s", sep, *msgp); 3335 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3336 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3337 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3338 printf(" (switching to store-and-forward mode)"); 3339 } else { 3340 printf(" (raising TX threshold to %s)", 3341 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3342 } 3343 } 3344 sep = ", "; 3345 } 3346 } 3347 printf("\n"); 3348 } 3349 3350 static void 3351 tulip_intr_handler(tulip_softc_t *sc) 3352 { 3353 uint32_t csr; 3354 3355 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3356 TULIP_CSR_WRITE(sc, csr_status, csr); 3357 3358 if (csr & TULIP_STS_SYSERROR) { 3359 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3360 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3361 sc->tulip_flags |= TULIP_SYSTEMERROR; 3362 } else { 3363 if_printf(&sc->tulip_if, "system error: %s\n", 3364 tulip_system_errors[sc->tulip_last_system_error]); 3365 } 3366 sc->tulip_flags |= TULIP_NEEDRESET; 3367 sc->tulip_system_errors++; 3368 break; 3369 } 3370 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3371 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3372 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3373 ? TULIP_MEDIAPOLL_LINKFAIL 3374 : TULIP_MEDIAPOLL_LINKPASS); 3375 csr &= ~TULIP_STS_ABNRMLINTR; 3376 } 3377 tulip_media_print(sc); 3378 } 3379 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3380 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3381 if (csr & TULIP_STS_RXNOBUF) 3382 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3383 /* 3384 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3385 * on receive overflows. 3386 */ 3387 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3388 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3389 /* 3390 * Stop the receiver process and spin until it's stopped. 3391 * Tell rx_intr to drop the packets it dequeues. 3392 */ 3393 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3394 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3395 ; 3396 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3397 sc->tulip_flags |= TULIP_RXIGNORE; 3398 } 3399 tulip_rx_intr(sc); 3400 if (sc->tulip_flags & TULIP_RXIGNORE) { 3401 /* 3402 * Restart the receiver. 3403 */ 3404 sc->tulip_flags &= ~TULIP_RXIGNORE; 3405 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3406 } 3407 } 3408 if (csr & TULIP_STS_ABNRMLINTR) { 3409 u_int32_t tmp = csr & sc->tulip_intrmask 3410 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3411 if (csr & TULIP_STS_TXUNDERFLOW) { 3412 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3413 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3414 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3415 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3416 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3417 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3418 } 3419 } 3420 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3421 sc->tulip_statusbits |= tmp; 3422 } else { 3423 tulip_print_abnormal_interrupt(sc, tmp); 3424 sc->tulip_flags |= TULIP_NOMESSAGES; 3425 } 3426 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3427 } 3428 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3429 tulip_tx_intr(sc); 3430 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3431 tulip_ifstart(&sc->tulip_if); 3432 } 3433 } 3434 if (sc->tulip_flags & TULIP_NEEDRESET) { 3435 tulip_reset(sc); 3436 tulip_init(sc); 3437 } 3438 } 3439 3440 static void 3441 tulip_intr_shared(void *arg) 3442 { 3443 tulip_softc_t *sc; 3444 3445 for (sc = arg; sc != NULL; sc = sc->tulip_slaves) 3446 tulip_intr_handler(sc); 3447 } 3448 3449 static void 3450 tulip_intr_normal(void *arg) 3451 { 3452 tulip_softc_t *sc = (tulip_softc_t *)arg; 3453 3454 tulip_intr_handler(sc); 3455 } 3456 3457 static struct mbuf * 3458 tulip_txput(tulip_softc_t *sc, struct mbuf *m) 3459 { 3460 tulip_ringinfo_t *ri = &sc->tulip_txinfo; 3461 tulip_desc_t *eop, *nextout; 3462 int segcnt, free; 3463 uint32_t d_status; 3464 struct mbuf *m0; 3465 3466 /* 3467 * Now we try to fill in our transmit descriptors. This is 3468 * a bit reminiscent of going on the Ark two by two 3469 * since each descriptor for the TULIP can describe 3470 * two buffers. So we advance through packet filling 3471 * each of the two entries at a time to to fill each 3472 * descriptor. Clear the first and last segment bits 3473 * in each descriptor (actually just clear everything 3474 * but the end-of-ring or chain bits) to make sure 3475 * we don't get messed up by previously sent packets. 3476 * 3477 * We may fail to put the entire packet on the ring if 3478 * there is either not enough ring entries free or if the 3479 * packet has more than MAX_TXSEG segments. In the former 3480 * case we will just wait for the ring to empty. In the 3481 * latter case we have to recopy. 3482 */ 3483 again: 3484 m0 = m; 3485 d_status = 0; 3486 eop = nextout = ri->ri_nextout; 3487 segcnt = 0; 3488 free = ri->ri_free; 3489 3490 do { 3491 int len = m0->m_len; 3492 caddr_t addr = mtod(m0, caddr_t); 3493 unsigned clsize = PAGE_SIZE - (((uintptr_t) addr) & (PAGE_SIZE-1)); 3494 3495 while (len > 0) { 3496 unsigned slen = min(len, clsize); 3497 #ifdef BIG_PACKET 3498 int partial = 0; 3499 if (slen >= 2048) 3500 slen = 2040, partial = 1; 3501 #endif 3502 segcnt++; 3503 if (segcnt > TULIP_MAX_TXSEG) { 3504 /* 3505 * The packet exceeds the number of transmit buffer 3506 * entries that we can use for one packet, so we have 3507 * recopy it into one mbuf and then try again. 3508 */ 3509 m0 = m_defrag(m, MB_DONTWAIT); 3510 if (m0 == NULL) 3511 goto finish; 3512 m = m0; 3513 goto again; 3514 } 3515 if (segcnt & 1) { 3516 if (--free == 0) { 3517 /* 3518 * See if there's any unclaimed space in the 3519 * transmit ring. 3520 */ 3521 if ((free += tulip_tx_intr(sc)) == 0) { 3522 /* 3523 * There's no more room but since nothing 3524 * has been committed at this point, just 3525 * show output is active, put back the 3526 * mbuf and return. 3527 */ 3528 sc->tulip_flags |= TULIP_WANTTXSTART; 3529 goto finish; 3530 } 3531 } 3532 eop = nextout; 3533 if (++nextout == ri->ri_last) 3534 nextout = ri->ri_first; 3535 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3536 eop->d_status = d_status; 3537 eop->d_addr1 = TULIP_KVATOPHYS(sc, addr); 3538 eop->d_length1 = slen; 3539 } else { 3540 /* 3541 * Fill in second half of descriptor 3542 */ 3543 eop->d_addr2 = TULIP_KVATOPHYS(sc, addr); 3544 eop->d_length2 = slen; 3545 } 3546 d_status = TULIP_DSTS_OWNER; 3547 len -= slen; 3548 addr += slen; 3549 #ifdef BIG_PACKET 3550 if (partial) 3551 continue; 3552 #endif 3553 clsize = PAGE_SIZE; 3554 } 3555 } while ((m0 = m0->m_next) != NULL); 3556 3557 BPF_MTAP(&sc->tulip_if, m); 3558 3559 /* 3560 * The descriptors have been filled in. Now get ready 3561 * to transmit. 3562 */ 3563 IF_ENQUEUE(&sc->tulip_txq, m); 3564 m = NULL; 3565 3566 /* 3567 * Make sure the next descriptor after this packet is owned 3568 * by us since it may have been set up above if we ran out 3569 * of room in the ring. 3570 */ 3571 nextout->d_status = 0; 3572 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 3573 3574 /* 3575 * If we only used the first segment of the last descriptor, 3576 * make sure the second segment will not be used. 3577 */ 3578 if (segcnt & 1) { 3579 eop->d_addr2 = 0; 3580 eop->d_length2 = 0; 3581 } 3582 3583 /* 3584 * Mark the last and first segments, indicate we want a transmit 3585 * complete interrupt, and tell it to transmit! 3586 */ 3587 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 3588 3589 /* 3590 * Note that ri->ri_nextout is still the start of the packet 3591 * and until we set the OWNER bit, we can still back out of 3592 * everything we have done. 3593 */ 3594 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 3595 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 3596 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 3597 3598 /* 3599 * This advances the ring for us. 3600 */ 3601 ri->ri_nextout = nextout; 3602 ri->ri_free = free; 3603 3604 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3605 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3606 sc->tulip_if.if_flags |= IFF_OACTIVE; 3607 sc->tulip_if.if_start = tulip_ifstart; 3608 return NULL; 3609 } 3610 3611 /* 3612 * switch back to the single queueing ifstart. 3613 */ 3614 sc->tulip_flags &= ~TULIP_WANTTXSTART; 3615 if (sc->tulip_txtimer == 0) 3616 sc->tulip_txtimer = TULIP_TXTIMER; 3617 3618 /* 3619 * If we want a txstart, there must be not enough space in the 3620 * transmit ring. So we want to enable transmit done interrupts 3621 * so we can immediately reclaim some space. When the transmit 3622 * interrupt is posted, the interrupt handler will call tx_intr 3623 * to reclaim space and then txstart (since WANTTXSTART is set). 3624 * txstart will move the packet into the transmit ring and clear 3625 * WANTTXSTART thereby causing TXINTR to be cleared. 3626 */ 3627 finish: 3628 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 3629 sc->tulip_if.if_flags |= IFF_OACTIVE; 3630 sc->tulip_if.if_start = tulip_ifstart; 3631 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 3632 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3633 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3634 } 3635 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 3636 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 3637 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 3638 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3639 } 3640 } 3641 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3642 return m; 3643 } 3644 3645 static void 3646 tulip_txput_setup(tulip_softc_t *sc) 3647 { 3648 tulip_ringinfo_t *ri = &sc->tulip_txinfo; 3649 tulip_desc_t *nextout; 3650 3651 /* 3652 * We will transmit, at most, one setup packet per call to ifstart. 3653 */ 3654 3655 /* 3656 * Try to reclaim some free descriptors.. 3657 */ 3658 if (ri->ri_free < 2) 3659 tulip_tx_intr(sc); 3660 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 3661 sc->tulip_flags |= TULIP_WANTTXSTART; 3662 sc->tulip_if.if_start = tulip_ifstart; 3663 return; 3664 } 3665 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 3666 sizeof(sc->tulip_setupbuf)); 3667 /* 3668 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 3669 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 3670 */ 3671 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 3672 ri->ri_free--; 3673 nextout = ri->ri_nextout; 3674 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3675 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 3676 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 3677 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 3678 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 3679 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 3680 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 3681 3682 nextout->d_length2 = 0; 3683 nextout->d_addr2 = 0; 3684 nextout->d_length1 = sizeof(sc->tulip_setupbuf); 3685 nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf); 3686 3687 /* 3688 * Advance the ring for the next transmit packet. 3689 */ 3690 if (++ri->ri_nextout == ri->ri_last) 3691 ri->ri_nextout = ri->ri_first; 3692 3693 /* 3694 * Make sure the next descriptor is owned by us since it 3695 * may have been set up above if we ran out of room in the 3696 * ring. 3697 */ 3698 ri->ri_nextout->d_status = 0; 3699 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 3700 nextout->d_status = TULIP_DSTS_OWNER; 3701 /* 3702 * Flush the ownwership of the current descriptor 3703 */ 3704 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 3705 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3706 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 3707 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3708 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3709 } 3710 } 3711 3712 static int 3713 tulip_ifioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred * cr) 3714 { 3715 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 3716 struct ifaddr *ifa = (struct ifaddr *)data; 3717 struct ifreq *ifr = (struct ifreq *)data; 3718 int error = 0; 3719 3720 switch (cmd) { 3721 case SIOCSIFADDR: { 3722 ifp->if_flags |= IFF_UP; 3723 switch(ifa->ifa_addr->sa_family) { 3724 #ifdef INET 3725 case AF_INET: { 3726 tulip_init(sc); 3727 arp_ifinit(&(sc)->tulip_ac.ac_if, ifa); 3728 break; 3729 } 3730 #endif /* INET */ 3731 3732 #ifdef IPX 3733 case AF_IPX: { 3734 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 3735 if (ipx_nullhost(*ina)) { 3736 ina->x_host = *(union ipx_host *)(sc->tulip_enaddr); 3737 } else { 3738 ifp->if_flags &= ~IFF_RUNNING; 3739 bcopy((caddr_t)ina->x_host.c_host, 3740 (caddr_t)sc->tulip_enaddr, 3741 sizeof(sc->tulip_enaddr)); 3742 } 3743 tulip_init(sc); 3744 break; 3745 } 3746 #endif /* IPX */ 3747 3748 #ifdef NS 3749 /* 3750 * This magic copied from if_is.c; I don't use XNS, 3751 * so I have no way of telling if this actually 3752 * works or not. 3753 */ 3754 case AF_NS: { 3755 struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr); 3756 if (ns_nullhost(*ina)) { 3757 ina->x_host = *(union ns_host *)(sc->tulip_enaddr); 3758 } else { 3759 ifp->if_flags &= ~IFF_RUNNING; 3760 bcopy((caddr_t)ina->x_host.c_host, 3761 (caddr_t)sc->tulip_enaddr, 3762 sizeof(sc->tulip_enaddr)); 3763 } 3764 tulip_init(sc); 3765 break; 3766 } 3767 #endif /* NS */ 3768 3769 default: { 3770 tulip_init(sc); 3771 break; 3772 } 3773 } 3774 break; 3775 } 3776 case SIOCGIFADDR: { 3777 bcopy((caddr_t) sc->tulip_enaddr, 3778 (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data, 3779 6); 3780 break; 3781 } 3782 3783 case SIOCSIFFLAGS: { 3784 tulip_addr_filter(sc); /* reinit multicast filter */ 3785 tulip_init(sc); 3786 break; 3787 } 3788 3789 case SIOCSIFMEDIA: 3790 case SIOCGIFMEDIA: { 3791 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 3792 break; 3793 } 3794 3795 case SIOCADDMULTI: 3796 case SIOCDELMULTI: { 3797 /* 3798 * Update multicast listeners 3799 */ 3800 tulip_addr_filter(sc); /* reset multicast filtering */ 3801 tulip_init(sc); 3802 error = 0; 3803 break; 3804 } 3805 3806 case SIOCSIFMTU: 3807 /* 3808 * Set the interface MTU. 3809 */ 3810 if (ifr->ifr_mtu > ETHERMTU 3811 #ifdef BIG_PACKET 3812 && sc->tulip_chipid != TULIP_21140 3813 && sc->tulip_chipid != TULIP_21140A 3814 && sc->tulip_chipid != TULIP_21041 3815 #endif 3816 ) { 3817 error = EINVAL; 3818 break; 3819 } 3820 ifp->if_mtu = ifr->ifr_mtu; 3821 #ifdef BIG_PACKET 3822 tulip_reset(sc); 3823 tulip_init(sc); 3824 #endif 3825 break; 3826 3827 #ifdef SIOCGADDRROM 3828 case SIOCGADDRROM: { 3829 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 3830 break; 3831 } 3832 #endif 3833 #ifdef SIOCGCHIPID 3834 case SIOCGCHIPID: { 3835 ifr->ifr_metric = (int) sc->tulip_chipid; 3836 break; 3837 } 3838 #endif 3839 default: { 3840 error = EINVAL; 3841 break; 3842 } 3843 } 3844 return error; 3845 } 3846 3847 static void 3848 tulip_ifstart(struct ifnet *ifp) 3849 { 3850 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 3851 3852 if (sc->tulip_if.if_flags & IFF_RUNNING) { 3853 3854 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3855 tulip_txput_setup(sc); 3856 3857 while (sc->tulip_if.if_snd.ifq_head != NULL) { 3858 struct mbuf *m; 3859 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 3860 if ((m = tulip_txput(sc, m)) != NULL) { 3861 IF_PREPEND(&sc->tulip_if.if_snd, m); 3862 break; 3863 } 3864 } 3865 } 3866 } 3867 3868 static void 3869 tulip_ifwatchdog(struct ifnet *ifp) 3870 { 3871 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 3872 3873 sc->tulip_if.if_timer = 1; 3874 /* 3875 * These should be rare so do a bulk test up front so we can just skip 3876 * them if needed. 3877 */ 3878 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 3879 /* 3880 * If the number of receive buffer is low, try to refill 3881 */ 3882 if (sc->tulip_flags & TULIP_RXBUFSLOW) 3883 tulip_rx_intr(sc); 3884 3885 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 3886 if_printf(ifp, "%d system errors: last was %s\n", 3887 sc->tulip_system_errors, 3888 tulip_system_errors[sc->tulip_last_system_error]); 3889 } 3890 if (sc->tulip_statusbits) { 3891 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 3892 sc->tulip_statusbits = 0; 3893 } 3894 3895 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 3896 } 3897 3898 if (sc->tulip_txtimer) 3899 tulip_tx_intr(sc); 3900 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 3901 if_printf(ifp, "transmission timeout\n"); 3902 if (TULIP_DO_AUTOSENSE(sc)) { 3903 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 3904 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 3905 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 3906 } 3907 tulip_reset(sc); 3908 tulip_init(sc); 3909 } 3910 } 3911 3912 static void 3913 tulip_attach(tulip_softc_t *sc) 3914 { 3915 struct ifnet *ifp = &sc->tulip_if; 3916 3917 callout_init(&sc->tulip_timer); 3918 callout_init(&sc->tulip_fast_timer); 3919 3920 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST; 3921 ifp->if_ioctl = tulip_ifioctl; 3922 ifp->if_start = tulip_ifstart; 3923 ifp->if_watchdog = tulip_ifwatchdog; 3924 ifp->if_timer = 1; 3925 3926 if_printf(ifp, "%s%s pass %d.%d%s\n", 3927 sc->tulip_boardid, 3928 tulip_chipdescs[sc->tulip_chipid], 3929 (sc->tulip_revinfo & 0xF0) >> 4, 3930 sc->tulip_revinfo & 0x0F, 3931 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 3932 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 3933 3934 (*sc->tulip_boardsw->bd_media_probe)(sc); 3935 ifmedia_init(&sc->tulip_ifmedia, 0, 3936 tulip_ifmedia_change, 3937 tulip_ifmedia_status); 3938 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 3939 tulip_ifmedia_add(sc); 3940 3941 tulip_reset(sc); 3942 3943 ether_ifattach(&(sc)->tulip_if, sc->tulip_enaddr, NULL); 3944 ifp->if_snd.ifq_maxlen = ifqmaxlen; 3945 } 3946 3947 static void 3948 tulip_detach(tulip_softc_t *sc) 3949 { 3950 ifmedia_removeall(&sc->tulip_ifmedia); 3951 ether_ifdetach(&sc->tulip_if); 3952 } 3953 3954 static void 3955 tulip_initcsrs(tulip_softc_t *sc, tulip_csrptr_t csr_base, size_t csr_size) 3956 { 3957 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 3958 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 3959 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 3960 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 3961 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 3962 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 3963 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 3964 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 3965 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 3966 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 3967 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 3968 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 3969 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 3970 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 3971 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 3972 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 3973 } 3974 3975 static void 3976 tulip_initring(tulip_softc_t *sc, tulip_ringinfo_t *ri, tulip_desc_t *descs, 3977 int ndescs) 3978 { 3979 ri->ri_max = ndescs; 3980 ri->ri_first = descs; 3981 ri->ri_last = ri->ri_first + ri->ri_max; 3982 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 3983 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 3984 } 3985 3986 /* 3987 * This is the PCI configuration support. 3988 */ 3989 3990 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 3991 #define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 3992 #define PCI_CFDA 0x40 /* Configuration Driver Area */ 3993 3994 static int 3995 tulip_pci_probe(device_t dev) 3996 { 3997 const char *name = NULL; 3998 3999 if (pci_get_vendor(dev) != DEC_VENDORID) 4000 return ENXIO; 4001 4002 /* 4003 * Some LanMedia WAN cards use the Tulip chip, but they have 4004 * their own driver, and we should not recognize them 4005 */ 4006 if (pci_get_subvendor(dev) == 0x1376) 4007 return ENXIO; 4008 4009 switch (pci_get_device(dev)) { 4010 case CHIPID_21040: 4011 name = "Digital 21040 Ethernet"; 4012 break; 4013 case CHIPID_21041: 4014 name = "Digital 21041 Ethernet"; 4015 break; 4016 case CHIPID_21140: 4017 if (pci_get_revid(dev) >= 0x20) 4018 name = "Digital 21140A Fast Ethernet"; 4019 else 4020 name = "Digital 21140 Fast Ethernet"; 4021 break; 4022 case CHIPID_21142: 4023 if (pci_get_revid(dev) >= 0x20) 4024 name = "Digital 21143 Fast Ethernet"; 4025 else 4026 name = "Digital 21142 Fast Ethernet"; 4027 break; 4028 } 4029 if (name) { 4030 device_set_desc(dev, name); 4031 return -200; 4032 } 4033 return ENXIO; 4034 } 4035 4036 static int 4037 tulip_shutdown(device_t dev) 4038 { 4039 tulip_softc_t *sc = device_get_softc(dev); 4040 4041 lwkt_serialize_enter(sc->tulip_if.if_serializer); 4042 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4043 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 4044 33MHz that comes to two microseconds but wait a 4045 bit longer anyways) */ 4046 lwkt_serialize_exit(sc->tulip_if.if_serializer); 4047 return 0; 4048 } 4049 4050 static int 4051 tulip_pci_attach(device_t dev) 4052 { 4053 tulip_softc_t *sc; 4054 int retval, idx; 4055 uint32_t revinfo, cfdainfo, cfcsinfo; 4056 u_int csroffset = TULIP_PCI_CSROFFSET; 4057 u_int csrsize = TULIP_PCI_CSRSIZE; 4058 tulip_csrptr_t csr_base; 4059 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 4060 struct resource *res; 4061 int rid; 4062 4063 if (device_get_unit(dev) >= TULIP_MAX_DEVICES) { 4064 device_printf(dev, "not configured; limit of %d reached or exceeded\n", 4065 TULIP_MAX_DEVICES); 4066 return ENXIO; 4067 } 4068 4069 revinfo = pci_get_revid(dev); 4070 cfdainfo = pci_read_config(dev, PCI_CFDA, 4); 4071 cfcsinfo = pci_read_config(dev, PCIR_COMMAND, 4); 4072 4073 /* turn busmaster on in case BIOS doesn't set it */ 4074 pci_enable_busmaster(dev); 4075 4076 if (pci_get_vendor(dev) == DEC_VENDORID) { 4077 if (pci_get_device(dev) == CHIPID_21040) 4078 chipid = TULIP_21040; 4079 else if (pci_get_device(dev) == CHIPID_21041) 4080 chipid = TULIP_21041; 4081 else if (pci_get_device(dev) == CHIPID_21140) 4082 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 4083 else if (pci_get_device(dev) == CHIPID_21142) 4084 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 4085 } 4086 if (chipid == TULIP_CHIPID_UNKNOWN) 4087 return ENXIO; 4088 4089 if (chipid == TULIP_21040 && revinfo < 0x20) { 4090 device_printf(dev, "not configured; 21040 pass 2.0 required (%d.%d found)\n", 4091 revinfo >> 4, revinfo & 0x0f); 4092 return ENXIO; 4093 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 4094 device_printf(dev, "not configured; 21140 pass 1.1 required (%d.%d found)\n", 4095 revinfo >> 4, revinfo & 0x0f); 4096 return ENXIO; 4097 } 4098 4099 sc = device_get_softc(dev); 4100 sc->tulip_dev = dev; 4101 sc->tulip_pci_busno = pci_get_bus(dev); 4102 sc->tulip_pci_devno = pci_get_slot(dev); 4103 sc->tulip_chipid = chipid; 4104 sc->tulip_flags |= TULIP_DEVICEPROBE; 4105 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 4106 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 4107 if (chipid == TULIP_21140A && revinfo <= 0x22) 4108 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 4109 if (chipid == TULIP_21140) 4110 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 4111 if (chipid != TULIP_21040 && chipid != TULIP_21140) 4112 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 4113 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 4114 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 4115 if (chipid != TULIP_21041 || revinfo >= 0x20) 4116 sc->tulip_features |= TULIP_HAVE_SIANWAY; 4117 if (chipid != TULIP_21041) 4118 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 4119 if (chipid != TULIP_21041 && revinfo >= 0x20) 4120 sc->tulip_features |= TULIP_HAVE_SIA100; 4121 } 4122 4123 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 4124 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 4125 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 4126 pci_write_config(dev, PCI_CFDA, cfdainfo, 4); 4127 DELAY(11*1000); 4128 } 4129 if_initname(&sc->tulip_if, device_get_name(dev), device_get_unit(dev)); 4130 sc->tulip_revinfo = revinfo; 4131 sc->tulip_if.if_softc = sc; 4132 #if defined(TULIP_IOMAPPED) 4133 rid = PCI_CBIO; 4134 res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 4135 #else 4136 rid = PCI_CBMA; 4137 res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); 4138 #endif 4139 if (!res) 4140 return ENXIO; 4141 sc->tulip_csrs_bst = rman_get_bustag(res); 4142 sc->tulip_csrs_bsh = rman_get_bushandle(res); 4143 csr_base = 0; 4144 4145 tulips[device_get_unit(dev)] = sc; 4146 4147 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 4148 4149 sc->tulip_rxdescs = malloc(sizeof(tulip_desc_t) * TULIP_RXDESCS, 4150 M_DEVBUF, M_INTWAIT); 4151 sc->tulip_txdescs = malloc(sizeof(tulip_desc_t) * TULIP_TXDESCS, 4152 M_DEVBUF, M_INTWAIT); 4153 4154 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 4155 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 4156 4157 /* 4158 * Make sure there won't be any interrupts or such... 4159 */ 4160 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4161 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 4162 33MHz that comes to two microseconds but wait a 4163 bit longer anyways) */ 4164 4165 if ((retval = tulip_read_macaddr(sc)) < 0) { 4166 device_printf(dev, "can't read ENET ROM (why=%d) (", retval); 4167 for (idx = 0; idx < 32; idx++) 4168 printf("%02x", sc->tulip_rombuf[idx]); 4169 printf("\n"); 4170 device_printf(dev, "%s%s pass %d.%d\n", 4171 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 4172 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 4173 device_printf(dev, "address unknown\n"); 4174 } else { 4175 void (*intr_rtn)(void *) = tulip_intr_normal; 4176 4177 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 4178 intr_rtn = tulip_intr_shared; 4179 4180 tulip_attach(sc); 4181 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 4182 void *ih; 4183 4184 rid = 0; 4185 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 4186 RF_SHAREABLE | RF_ACTIVE); 4187 if (res == 0 || bus_setup_intr(dev, res, INTR_NETSAFE, 4188 intr_rtn, sc, &ih, 4189 sc->tulip_if.if_serializer)) { 4190 device_printf(dev, "couldn't map interrupt\n"); 4191 tulip_detach(sc); 4192 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 4193 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 4194 return ENXIO; 4195 } 4196 } 4197 } 4198 return 0; 4199 } 4200 4201 static device_method_t tulip_pci_methods[] = { 4202 /* Device interface */ 4203 DEVMETHOD(device_probe, tulip_pci_probe), 4204 DEVMETHOD(device_attach, tulip_pci_attach), 4205 DEVMETHOD(device_shutdown, tulip_shutdown), 4206 { 0, 0 } 4207 }; 4208 static driver_t tulip_pci_driver = { 4209 "de", 4210 tulip_pci_methods, 4211 sizeof(tulip_softc_t), 4212 }; 4213 static devclass_t tulip_devclass; 4214 4215 DECLARE_DUMMY_MODULE(if_de); 4216 DRIVER_MODULE(if_de, pci, tulip_pci_driver, tulip_devclass, 0, 0); 4217 4218