1 /* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */ 2 3 /* $FreeBSD: src/sys/pci/if_de.c,v 1.123.2.4 2000/08/04 23:25:09 peter Exp $ */ 4 /* $DragonFly: src/sys/dev/netif/de/if_de.c,v 1.49 2008/08/17 04:32:33 sephe Exp $ */ 5 6 /*- 7 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. The name of the author may not be used to endorse or promote products 16 * derived from this software 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/bus.h> 52 #include <sys/rman.h> 53 #include <sys/thread2.h> 54 #include <sys/interrupt.h> 55 56 #include "opt_inet.h" 57 #include "opt_ipx.h" 58 59 #include <net/if.h> 60 #include <net/if_media.h> 61 #include <net/if_dl.h> 62 #include <net/ifq_var.h> 63 #include <net/bpf.h> 64 65 #ifdef INET 66 #include <netinet/in.h> 67 #include <netinet/if_ether.h> 68 #endif 69 70 #ifdef IPX 71 #include <netproto/ipx/ipx.h> 72 #include <netproto/ipx/ipx_if.h> 73 #endif 74 75 #ifdef NS 76 #include <netproto/ns/ns.h> 77 #include <netproto/ns/ns_if.h> 78 #endif 79 80 #include <vm/vm.h> 81 82 #include <net/if_var.h> 83 #include <vm/pmap.h> 84 #include <bus/pci/pcivar.h> 85 #include <bus/pci/pcireg.h> 86 #include <bus/pci/dc21040reg.h> 87 88 /* 89 * Intel CPUs should use I/O mapped access. 90 */ 91 #if defined(__i386__) 92 #define TULIP_IOMAPPED 93 #endif 94 95 #define TULIP_HZ 10 96 97 #include "if_devar.h" 98 99 static tulip_softc_t *tulips[TULIP_MAX_DEVICES]; 100 101 /* 102 * This module supports 103 * the DEC 21040 PCI Ethernet Controller. 104 * the DEC 21041 PCI Ethernet Controller. 105 * the DEC 21140 PCI Fast Ethernet Controller. 106 */ 107 static void tulip_mii_autonegotiate(tulip_softc_t *, u_int); 108 static void tulip_intr_shared(void *); 109 static void tulip_intr_normal(void *); 110 static void tulip_init(tulip_softc_t *); 111 static void tulip_reset(tulip_softc_t *); 112 static void tulip_ifstart(struct ifnet *); 113 static struct mbuf *tulip_txput(tulip_softc_t *, struct mbuf *); 114 static void tulip_txput_setup(tulip_softc_t *); 115 static void tulip_rx_intr(tulip_softc_t *); 116 static void tulip_addr_filter(tulip_softc_t *); 117 static u_int tulip_mii_readreg(tulip_softc_t *, u_int, u_int); 118 static void tulip_mii_writereg(tulip_softc_t *, u_int, u_int, u_int); 119 static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 120 static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t *); 121 static int tulip_srom_decode(tulip_softc_t *); 122 static int tulip_ifmedia_change(struct ifnet *); 123 static void tulip_ifmedia_status(struct ifnet *, struct ifmediareq *); 124 /* static void tulip_21140_map_media(tulip_softc_t *sc); */ 125 126 static void 127 tulip_timeout_callback(void *arg) 128 { 129 tulip_softc_t *sc = arg; 130 131 lwkt_serialize_enter(sc->tulip_if.if_serializer); 132 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 133 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 134 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 135 lwkt_serialize_exit(sc->tulip_if.if_serializer); 136 } 137 138 static void 139 tulip_timeout(tulip_softc_t *sc) 140 { 141 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 142 return; 143 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 144 callout_reset(&sc->tulip_timer, (hz + TULIP_HZ / 2) / TULIP_HZ, 145 tulip_timeout_callback, sc); 146 } 147 148 static int 149 tulip_txprobe(tulip_softc_t *sc) 150 { 151 struct mbuf *m; 152 153 /* 154 * Before we are sure this is the right media we need 155 * to send a small packet to make sure there's carrier. 156 * Strangely, BNC and AUI will "see" receive data if 157 * either is connected so the transmit is the only way 158 * to verify the connectivity. 159 */ 160 MGETHDR(m, MB_DONTWAIT, MT_DATA); 161 if (m == NULL) 162 return 0; 163 /* 164 * Construct a LLC TEST message which will point to ourselves. 165 */ 166 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6); 167 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6); 168 mtod(m, struct ether_header *)->ether_type = htons(3); 169 mtod(m, unsigned char *)[14] = 0; 170 mtod(m, unsigned char *)[15] = 0; 171 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 172 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 173 /* 174 * send it! 175 */ 176 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 177 sc->tulip_intrmask |= TULIP_STS_TXINTR; 178 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 179 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 180 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 181 if ((m = tulip_txput(sc, m)) != NULL) 182 m_freem(m); 183 sc->tulip_probe.probe_txprobes++; 184 return 1; 185 } 186 187 #ifdef BIG_PACKET 188 #define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0) 189 #else 190 #define TULIP_SIAGEN_WATCHDOG 0 191 #endif 192 193 static void 194 tulip_media_set(tulip_softc_t *sc, tulip_media_t media) 195 { 196 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 197 198 if (mi == NULL) 199 return; 200 201 /* 202 * If we are switching media, make sure we don't think there's 203 * any stale RX activity 204 */ 205 sc->tulip_flags &= ~TULIP_RXACT; 206 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 207 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 208 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 209 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 210 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 211 DELAY(50); 212 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 213 } else { 214 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 215 } 216 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 217 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 218 #define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 219 /* 220 * If the cmdmode bits don't match the currently operating mode, 221 * set the cmdmode appropriately and reset the chip. 222 */ 223 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 224 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 225 sc->tulip_cmdmode |= mi->mi_cmdmode; 226 tulip_reset(sc); 227 } 228 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 229 DELAY(10); 230 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 231 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 232 /* 233 * If the cmdmode bits don't match the currently operating mode, 234 * set the cmdmode appropriately and reset the chip. 235 */ 236 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 237 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 238 sc->tulip_cmdmode |= mi->mi_cmdmode; 239 tulip_reset(sc); 240 } 241 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 242 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 243 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 244 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 245 int idx; 246 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 247 const u_int8_t *dp; 248 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 249 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 250 DELAY(10); 251 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 252 } 253 sc->tulip_phyaddr = mi->mi_phyaddr; 254 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 255 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 256 DELAY(10); 257 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 258 } 259 } else { 260 for (idx = 0; idx < mi->mi_reset_length; idx++) { 261 DELAY(10); 262 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 263 } 264 sc->tulip_phyaddr = mi->mi_phyaddr; 265 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 266 DELAY(10); 267 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 268 } 269 } 270 if (sc->tulip_flags & TULIP_TRYNWAY) { 271 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 272 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 273 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 274 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 275 sc->tulip_flags &= ~TULIP_DIDNWAY; 276 if (TULIP_IS_MEDIA_FD(media)) 277 data |= PHYCTL_FULL_DUPLEX; 278 if (TULIP_IS_MEDIA_100MB(media)) 279 data |= PHYCTL_SELECT_100MB; 280 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 281 } 282 } 283 } 284 285 static void 286 tulip_linkup(tulip_softc_t *sc, tulip_media_t media) 287 { 288 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 289 sc->tulip_flags |= TULIP_PRINTLINKUP; 290 sc->tulip_flags |= TULIP_LINKUP; 291 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 292 #if 0 /* XXX how does with work with ifmedia? */ 293 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 294 if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { 295 if (TULIP_CAN_MEDIA_FD(media) 296 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 297 media = TULIP_FD_MEDIA_OF(media); 298 } else { 299 if (TULIP_IS_MEDIA_FD(media) 300 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 301 media = TULIP_HD_MEDIA_OF(media); 302 } 303 } 304 #endif 305 if (sc->tulip_media != media) { 306 sc->tulip_media = media; 307 sc->tulip_flags |= TULIP_PRINTMEDIA; 308 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 309 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 310 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 311 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 312 } 313 } 314 /* 315 * We could set probe_timeout to 0 but setting to 3000 puts this 316 * in one central place and the only matters is tulip_link is 317 * followed by a tulip_timeout. Therefore setting it should not 318 * result in aberrant behavour. 319 */ 320 sc->tulip_probe_timeout = 3000; 321 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 322 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 323 if (sc->tulip_flags & TULIP_INRESET) { 324 tulip_media_set(sc, sc->tulip_media); 325 } else if (sc->tulip_probe_media != sc->tulip_media) { 326 /* 327 * No reason to change media if we have the right media. 328 */ 329 tulip_reset(sc); 330 } 331 tulip_init(sc); 332 } 333 334 static void 335 tulip_media_print(tulip_softc_t *sc) 336 { 337 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 338 return; 339 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 340 if_printf(&sc->tulip_if, "enabling %s port\n", 341 tulip_mediums[sc->tulip_media]); 342 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 343 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 344 if_printf(&sc->tulip_if, "link up\n"); 345 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 346 } 347 } 348 349 #if defined(TULIP_DO_GPR_SENSE) 350 static tulip_media_t 351 tulip_21140_gpr_media_sense(tulip_softc_t *sc) 352 { 353 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 354 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 355 tulip_media_t media; 356 357 /* 358 * If one of the media blocks contained a default media flag, 359 * use that. 360 */ 361 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 362 const tulip_media_info_t *mi; 363 /* 364 * Media is not supported (or is full-duplex). 365 */ 366 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 367 continue; 368 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 369 continue; 370 371 /* 372 * Remember the media is this is the "default" media. 373 */ 374 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 375 maybe_media = media; 376 377 /* 378 * No activity mask? Can't see if it is active if there's no mask. 379 */ 380 if (mi->mi_actmask == 0) 381 continue; 382 383 /* 384 * Does the activity data match? 385 */ 386 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 387 continue; 388 389 /* 390 * It does! If this is the first media we detected, then 391 * remember this media. If isn't the first, then there were 392 * multiple matches which we equate to no match (since we don't 393 * which to select (if any). 394 */ 395 if (last_media == TULIP_MEDIA_UNKNOWN) { 396 last_media = media; 397 } else if (last_media != media) { 398 last_media = TULIP_MEDIA_UNKNOWN; 399 } 400 } 401 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 402 } 403 #endif /* TULIP_DO_GPR_SENSE */ 404 405 static tulip_link_status_t 406 tulip_media_link_monitor(tulip_softc_t *sc) 407 { 408 const tulip_media_info_t *mi = sc->tulip_mediums[sc->tulip_media]; 409 tulip_link_status_t linkup = TULIP_LINK_DOWN; 410 411 if (mi == NULL) { 412 #if defined(DIAGNOSTIC) 413 panic("tulip_media_link_monitor: %s: botch at line %d\n", 414 tulip_mediums[sc->tulip_media],__LINE__); 415 #endif 416 return TULIP_LINK_UNKNOWN; 417 } 418 419 420 /* 421 * Have we seen some packets? If so, the link must be good. 422 */ 423 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 424 sc->tulip_flags &= ~TULIP_RXACT; 425 sc->tulip_probe_timeout = 3000; 426 return TULIP_LINK_UP; 427 } 428 429 sc->tulip_flags &= ~TULIP_RXACT; 430 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 431 u_int32_t status; 432 /* 433 * Read the PHY status register. 434 */ 435 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 436 if (status & PHYSTS_AUTONEG_DONE) { 437 /* 438 * If the PHY has completed autonegotiation, see the if the 439 * remote systems abilities have changed. If so, upgrade or 440 * downgrade as appropriate. 441 */ 442 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 443 abilities = (abilities << 6) & status; 444 if (abilities != sc->tulip_abilities) { 445 if (tulip_mii_map_abilities(sc, abilities)) { 446 tulip_linkup(sc, sc->tulip_probe_media); 447 return TULIP_LINK_UP; 448 } 449 /* 450 * if we had selected media because of autonegotiation, 451 * we need to probe for the new media. 452 */ 453 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 454 if (sc->tulip_flags & TULIP_DIDNWAY) 455 return TULIP_LINK_DOWN; 456 } 457 } 458 /* 459 * The link is now up. If was down, say its back up. 460 */ 461 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 462 linkup = TULIP_LINK_UP; 463 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 464 /* 465 * No activity sensor? Assume all's well. 466 */ 467 if (mi->mi_actmask == 0) 468 return TULIP_LINK_UNKNOWN; 469 /* 470 * Does the activity data match? 471 */ 472 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 473 linkup = TULIP_LINK_UP; 474 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 475 /* 476 * Assume non TP ok for now. 477 */ 478 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 479 return TULIP_LINK_UNKNOWN; 480 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 481 linkup = TULIP_LINK_UP; 482 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 483 return TULIP_LINK_UNKNOWN; 484 } 485 /* 486 * We will wait for 3 seconds until the link goes into suspect mode. 487 */ 488 if (sc->tulip_flags & TULIP_LINKUP) { 489 if (linkup == TULIP_LINK_UP) 490 sc->tulip_probe_timeout = 3000; 491 if (sc->tulip_probe_timeout > 0) 492 return TULIP_LINK_UP; 493 494 sc->tulip_flags &= ~TULIP_LINKUP; 495 if_printf(&sc->tulip_if, "link down: cable problem?\n"); 496 } 497 return TULIP_LINK_DOWN; 498 } 499 500 static void 501 tulip_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event) 502 { 503 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 504 && event == TULIP_MEDIAPOLL_TIMER) { 505 switch (tulip_media_link_monitor(sc)) { 506 case TULIP_LINK_DOWN: { 507 /* 508 * Link Monitor failed. Probe for new media. 509 */ 510 event = TULIP_MEDIAPOLL_LINKFAIL; 511 break; 512 } 513 case TULIP_LINK_UP: { 514 /* 515 * Check again soon. 516 */ 517 tulip_timeout(sc); 518 return; 519 } 520 case TULIP_LINK_UNKNOWN: { 521 /* 522 * We can't tell so don't bother. 523 */ 524 return; 525 } 526 } 527 } 528 529 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 530 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 531 if (TULIP_DO_AUTOSENSE(sc)) { 532 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 533 if (sc->tulip_if.if_flags & IFF_UP) 534 tulip_reset(sc); /* restart probe */ 535 } 536 return; 537 } 538 } 539 540 if (event == TULIP_MEDIAPOLL_START) { 541 sc->tulip_if.if_flags |= IFF_OACTIVE; 542 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 543 return; 544 sc->tulip_probe_mediamask = 0; 545 sc->tulip_probe_passes = 0; 546 /* 547 * If the SROM contained an explicit media to use, use it. 548 */ 549 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 550 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 551 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 552 /* 553 * connidx is defaulted to a media_unknown type. 554 */ 555 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 556 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 557 tulip_linkup(sc, sc->tulip_probe_media); 558 tulip_timeout(sc); 559 return; 560 } 561 562 if (sc->tulip_features & TULIP_HAVE_GPR) { 563 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 564 sc->tulip_probe_timeout = 2000; 565 } else { 566 sc->tulip_probe_media = TULIP_MEDIA_MAX; 567 sc->tulip_probe_timeout = 0; 568 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 569 } 570 } 571 572 /* 573 * Ignore txprobe failures or spurious callbacks. 574 */ 575 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 576 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 577 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 578 return; 579 } 580 581 /* 582 * If we really transmitted a packet, then that's the media we'll use. 583 */ 584 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 585 if (event == TULIP_MEDIAPOLL_LINKPASS) { 586 /* XXX Check media status just to be sure */ 587 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 588 } 589 tulip_linkup(sc, sc->tulip_probe_media); 590 tulip_timeout(sc); 591 return; 592 } 593 594 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 595 #if defined(TULIP_DO_GPR_SENSE) 596 /* 597 * Check for media via the general purpose register. 598 * 599 * Try to sense the media via the GPR. If the same value 600 * occurs 3 times in a row then just use that. 601 */ 602 if (sc->tulip_probe_timeout > 0) { 603 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 604 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 605 if (new_probe_media == sc->tulip_probe_media) { 606 if (--sc->tulip_probe_count == 0) 607 tulip_linkup(sc, sc->tulip_probe_media); 608 } else { 609 sc->tulip_probe_count = 10; 610 } 611 } 612 sc->tulip_probe_media = new_probe_media; 613 tulip_timeout(sc); 614 return; 615 } 616 #endif /* TULIP_DO_GPR_SENSE */ 617 /* 618 * Brute force. We cycle through each of the media types 619 * and try to transmit a packet. 620 */ 621 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 622 sc->tulip_probe_media = TULIP_MEDIA_MAX; 623 sc->tulip_probe_timeout = 0; 624 tulip_timeout(sc); 625 return; 626 } 627 628 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 629 && (sc->tulip_features & TULIP_HAVE_MII)) { 630 tulip_media_t old_media = sc->tulip_probe_media; 631 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 632 switch (sc->tulip_probe_state) { 633 case TULIP_PROBE_FAILED: 634 case TULIP_PROBE_MEDIATEST: { 635 /* 636 * Try the next media. 637 */ 638 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 639 sc->tulip_probe_timeout = 0; 640 #ifdef notyet 641 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 642 break; 643 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 644 break; 645 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 646 #endif 647 break; 648 } 649 case TULIP_PROBE_PHYAUTONEG: { 650 return; 651 } 652 case TULIP_PROBE_INACTIVE: { 653 /* 654 * Only probe if we autonegotiated a media that hasn't failed. 655 */ 656 sc->tulip_probe_timeout = 0; 657 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 658 sc->tulip_probe_media = old_media; 659 break; 660 } 661 tulip_linkup(sc, sc->tulip_probe_media); 662 tulip_timeout(sc); 663 return; 664 } 665 default: { 666 #if defined(DIAGNOSTIC) 667 panic("tulip_media_poll: botch at line %d\n", __LINE__); 668 #endif 669 break; 670 } 671 } 672 } 673 674 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 675 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 676 return; 677 } 678 679 /* 680 * switch to another media if we tried this one enough. 681 */ 682 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 683 /* 684 * Find the next media type to check for. Full Duplex 685 * types are not allowed. 686 */ 687 do { 688 sc->tulip_probe_media -= 1; 689 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 690 if (++sc->tulip_probe_passes == 3) { 691 if_printf(&sc->tulip_if, "autosense failed: cable problem?\n"); 692 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 693 sc->tulip_if.if_flags &= ~IFF_RUNNING; 694 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 695 return; 696 } 697 } 698 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 699 sc->tulip_probe_mediamask = 0; 700 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 701 } 702 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 703 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 704 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 705 706 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 707 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 708 sc->tulip_probe.probe_txprobes = 0; 709 tulip_reset(sc); 710 tulip_media_set(sc, sc->tulip_probe_media); 711 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 712 } 713 tulip_timeout(sc); 714 715 /* 716 * If this is hanging off a phy, we know are doing NWAY and we have 717 * forced the phy to a specific speed. Wait for link up before 718 * before sending a packet. 719 */ 720 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 721 case TULIP_MEDIAINFO_MII: { 722 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 723 return; 724 break; 725 } 726 case TULIP_MEDIAINFO_SIA: { 727 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 728 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 729 return; 730 tulip_linkup(sc, sc->tulip_probe_media); 731 #ifdef notyet 732 if (sc->tulip_features & TULIP_HAVE_MII) 733 tulip_timeout(sc); 734 #endif 735 return; 736 } 737 break; 738 } 739 case TULIP_MEDIAINFO_RESET: 740 case TULIP_MEDIAINFO_SYM: 741 case TULIP_MEDIAINFO_NONE: 742 case TULIP_MEDIAINFO_GPR: { 743 break; 744 } 745 } 746 /* 747 * Try to send a packet. 748 */ 749 tulip_txprobe(sc); 750 } 751 752 static void 753 tulip_media_select(tulip_softc_t *sc) 754 { 755 if (sc->tulip_features & TULIP_HAVE_GPR) { 756 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 757 DELAY(10); 758 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 759 } 760 /* 761 * If this board has no media, just return 762 */ 763 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 764 return; 765 766 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 767 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 768 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 769 } else { 770 tulip_media_set(sc, sc->tulip_media); 771 } 772 } 773 774 static void 775 tulip_21040_mediainfo_init(tulip_softc_t *sc, tulip_media_t media) 776 { 777 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 778 |TULIP_CMD_BACKOFFCTR; 779 sc->tulip_if.if_baudrate = 10000000; 780 781 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 782 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 783 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 784 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 785 } 786 787 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 788 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 789 } 790 791 if (media == TULIP_MEDIA_UNKNOWN) { 792 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 793 } 794 } 795 796 static void 797 tulip_21040_media_probe(tulip_softc_t *sc) 798 { 799 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 800 } 801 802 static void 803 tulip_21040_10baset_only_media_probe(tulip_softc_t *sc) 804 { 805 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 806 tulip_media_set(sc, TULIP_MEDIA_10BASET); 807 sc->tulip_media = TULIP_MEDIA_10BASET; 808 } 809 810 static void 811 tulip_21040_10baset_only_media_select(tulip_softc_t *sc) 812 { 813 sc->tulip_flags |= TULIP_LINKUP; 814 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 815 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 816 sc->tulip_flags &= ~TULIP_SQETEST; 817 } else { 818 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 819 sc->tulip_flags |= TULIP_SQETEST; 820 } 821 tulip_media_set(sc, sc->tulip_media); 822 } 823 824 static void 825 tulip_21040_auibnc_only_media_probe(tulip_softc_t *sc) 826 { 827 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 828 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 829 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 830 sc->tulip_media = TULIP_MEDIA_AUIBNC; 831 } 832 833 static void 834 tulip_21040_auibnc_only_media_select(tulip_softc_t *sc) 835 { 836 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 837 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 838 } 839 840 static const tulip_boardsw_t tulip_21040_boardsw = { 841 TULIP_21040_GENERIC, 842 tulip_21040_media_probe, 843 tulip_media_select, 844 tulip_media_poll, 845 }; 846 847 static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 848 TULIP_21040_GENERIC, 849 tulip_21040_10baset_only_media_probe, 850 tulip_21040_10baset_only_media_select, 851 NULL, 852 }; 853 854 static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 855 TULIP_21040_GENERIC, 856 tulip_21040_auibnc_only_media_probe, 857 tulip_21040_auibnc_only_media_select, 858 NULL, 859 }; 860 861 static void 862 tulip_21041_mediainfo_init(tulip_softc_t *sc) 863 { 864 tulip_media_info_t *mi = sc->tulip_mediainfo; 865 866 #ifdef notyet 867 if (sc->tulip_revinfo >= 0x20) { 868 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 869 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 870 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 871 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 872 return; 873 } 874 #endif 875 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 876 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 877 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 878 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 879 } 880 881 static void 882 tulip_21041_media_probe(tulip_softc_t *sc) 883 { 884 sc->tulip_if.if_baudrate = 10000000; 885 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 886 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 887 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 888 tulip_21041_mediainfo_init(sc); 889 } 890 891 static void 892 tulip_21041_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event) 893 { 894 uint32_t sia_status; 895 896 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 897 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 898 || !TULIP_DO_AUTOSENSE(sc)) 899 return; 900 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 901 tulip_reset(sc); /* start probe */ 902 return; 903 } 904 905 /* 906 * If we've been been asked to start a poll or link change interrupt 907 * restart the probe (and reset the tulip to a known state). 908 */ 909 if (event == TULIP_MEDIAPOLL_START) { 910 sc->tulip_if.if_flags |= IFF_OACTIVE; 911 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 912 #ifdef notyet 913 if (sc->tulip_revinfo >= 0x20) { 914 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 915 sc->tulip_flags |= TULIP_DIDNWAY; 916 } 917 #endif 918 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 919 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 920 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 921 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 922 tulip_media_set(sc, TULIP_MEDIA_10BASET); 923 tulip_timeout(sc); 924 return; 925 } 926 927 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 928 return; 929 930 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 931 tulip_linkup(sc, sc->tulip_probe_media); 932 return; 933 } 934 935 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 936 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 937 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 938 if (sc->tulip_revinfo >= 0x20) { 939 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 940 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 941 } 942 /* 943 * If the link has passed LinkPass, 10baseT is the 944 * proper media to use. 945 */ 946 tulip_linkup(sc, sc->tulip_probe_media); 947 return; 948 } 949 950 /* 951 * wait for up to 2.4 seconds for the link to reach pass state. 952 * Only then start scanning the other media for activity. 953 * choose media with receive activity over those without. 954 */ 955 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 956 if (event != TULIP_MEDIAPOLL_TIMER) 957 return; 958 if (sc->tulip_probe_timeout > 0 959 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 960 tulip_timeout(sc); 961 return; 962 } 963 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 964 sc->tulip_flags |= TULIP_WANTRXACT; 965 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 966 sc->tulip_probe_media = TULIP_MEDIA_BNC; 967 } else { 968 sc->tulip_probe_media = TULIP_MEDIA_AUI; 969 } 970 tulip_media_set(sc, sc->tulip_probe_media); 971 tulip_timeout(sc); 972 return; 973 } 974 975 /* 976 * If we failed, clear the txprobe active flag. 977 */ 978 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 979 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 980 981 982 if (event == TULIP_MEDIAPOLL_TIMER) { 983 /* 984 * If we've received something, then that's our link! 985 */ 986 if (sc->tulip_flags & TULIP_RXACT) { 987 tulip_linkup(sc, sc->tulip_probe_media); 988 return; 989 } 990 /* 991 * if no txprobe active 992 */ 993 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 994 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 995 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 996 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 997 tulip_txprobe(sc); 998 tulip_timeout(sc); 999 return; 1000 } 1001 /* 1002 * Take 2 passes through before deciding to not 1003 * wait for receive activity. Then take another 1004 * two passes before spitting out a warning. 1005 */ 1006 if (sc->tulip_probe_timeout <= 0) { 1007 if (sc->tulip_flags & TULIP_WANTRXACT) { 1008 sc->tulip_flags &= ~TULIP_WANTRXACT; 1009 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1010 } else { 1011 if_printf(&sc->tulip_if, "autosense failed: cable problem?\n"); 1012 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1013 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1014 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1015 return; 1016 } 1017 } 1018 } 1019 } 1020 1021 /* 1022 * Since this media failed to probe, try the other one. 1023 */ 1024 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1025 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1026 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1027 } else { 1028 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1029 } 1030 tulip_media_set(sc, sc->tulip_probe_media); 1031 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1032 tulip_timeout(sc); 1033 } 1034 1035 static const tulip_boardsw_t tulip_21041_boardsw = { 1036 TULIP_21041_GENERIC, 1037 tulip_21041_media_probe, 1038 tulip_media_select, 1039 tulip_21041_media_poll 1040 }; 1041 1042 static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1043 { 0x20005c00, 0, /* 08-00-17 */ 1044 { 1045 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1046 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1047 }, 1048 }, 1049 { 0x0281F400, 0, /* 00-A0-7D */ 1050 { 1051 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1052 { }, /* 100TX */ 1053 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1054 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1055 }, 1056 }, 1057 #if 0 1058 { 0x0015F420, 0, /* 00-A0-7D */ 1059 { 1060 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1061 { }, /* 100TX */ 1062 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1063 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1064 }, 1065 }, 1066 #endif 1067 { 0x0281F400, 0, /* 00-A0-BE */ 1068 { 1069 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1070 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1071 { }, /* 100T4 */ 1072 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1073 }, 1074 }, 1075 { 0 } 1076 }; 1077 1078 static tulip_media_t 1079 tulip_mii_phy_readspecific(tulip_softc_t *sc) 1080 { 1081 const tulip_phy_attr_t *attr; 1082 u_int16_t data; 1083 u_int32_t id; 1084 unsigned idx = 0; 1085 static const tulip_media_t table[] = { 1086 TULIP_MEDIA_UNKNOWN, 1087 TULIP_MEDIA_10BASET, 1088 TULIP_MEDIA_100BASETX, 1089 TULIP_MEDIA_100BASET4, 1090 TULIP_MEDIA_UNKNOWN, 1091 TULIP_MEDIA_10BASET_FD, 1092 TULIP_MEDIA_100BASETX_FD, 1093 TULIP_MEDIA_UNKNOWN 1094 }; 1095 1096 /* 1097 * Don't read phy specific registers if link is not up. 1098 */ 1099 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1100 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1101 return TULIP_MEDIA_UNKNOWN; 1102 1103 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1104 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1105 for (attr = tulip_mii_phy_attrlist;; attr++) { 1106 if (attr->attr_id == 0) 1107 return TULIP_MEDIA_UNKNOWN; 1108 if ((id & ~0x0F) == attr->attr_id) 1109 break; 1110 } 1111 1112 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1113 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_100TX]; 1114 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1115 if ((data & pm->pm_mask) == pm->pm_value) 1116 idx = 2; 1117 } 1118 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1119 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_100T4]; 1120 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1121 if ((data & pm->pm_mask) == pm->pm_value) 1122 idx = 3; 1123 } 1124 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1125 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_10T]; 1126 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1127 if ((data & pm->pm_mask) == pm->pm_value) 1128 idx = 1; 1129 } 1130 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1131 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1132 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1133 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1134 } 1135 return table[idx]; 1136 } 1137 1138 static u_int 1139 tulip_mii_get_phyaddr(tulip_softc_t *sc, u_int offset) 1140 { 1141 u_int phyaddr; 1142 1143 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1144 u_int status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1145 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1146 continue; 1147 if (offset == 0) 1148 return phyaddr; 1149 offset--; 1150 } 1151 if (offset == 0) { 1152 u_int status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1153 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1154 return TULIP_MII_NOPHY; 1155 return 0; 1156 } 1157 return TULIP_MII_NOPHY; 1158 } 1159 1160 static int 1161 tulip_mii_map_abilities(tulip_softc_t *sc, u_int abilities) 1162 { 1163 sc->tulip_abilities = abilities; 1164 if (abilities & PHYSTS_100BASETX_FD) { 1165 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1166 } else if (abilities & PHYSTS_100BASET4) { 1167 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1168 } else if (abilities & PHYSTS_100BASETX) { 1169 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1170 } else if (abilities & PHYSTS_10BASET_FD) { 1171 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1172 } else if (abilities & PHYSTS_10BASET) { 1173 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1174 } else { 1175 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1176 return 0; 1177 } 1178 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1179 return 1; 1180 } 1181 1182 static void 1183 tulip_mii_autonegotiate(tulip_softc_t *sc, u_int phyaddr) 1184 { 1185 switch (sc->tulip_probe_state) { 1186 case TULIP_PROBE_MEDIATEST: 1187 case TULIP_PROBE_INACTIVE: { 1188 sc->tulip_flags |= TULIP_DIDNWAY; 1189 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1190 sc->tulip_probe_timeout = 3000; 1191 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1192 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1193 /* FALL THROUGH */ 1194 } 1195 case TULIP_PROBE_PHYRESET: { 1196 uint32_t status; 1197 uint32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1198 if (data & PHYCTL_RESET) { 1199 if (sc->tulip_probe_timeout > 0) { 1200 tulip_timeout(sc); 1201 return; 1202 } 1203 if_printf(&sc->tulip_if, 1204 "(phy%d): error: reset of PHY never completed!\n", phyaddr); 1205 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1206 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1207 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1208 return; 1209 } 1210 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1211 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1212 sc->tulip_flags &= ~TULIP_DIDNWAY; 1213 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1214 return; 1215 } 1216 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1217 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1218 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1219 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1220 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1221 sc->tulip_probe_timeout = 3000; 1222 /* FALL THROUGH */ 1223 } 1224 case TULIP_PROBE_PHYAUTONEG: { 1225 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1226 u_int32_t data; 1227 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1228 if (sc->tulip_probe_timeout > 0) { 1229 tulip_timeout(sc); 1230 return; 1231 } 1232 sc->tulip_flags &= ~TULIP_DIDNWAY; 1233 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1234 return; 1235 } 1236 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1237 data = (data << 6) & status; 1238 if (!tulip_mii_map_abilities(sc, data)) 1239 sc->tulip_flags &= ~TULIP_DIDNWAY; 1240 return; 1241 } 1242 default: { 1243 #if defined(DIAGNOSTIC) 1244 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1245 #endif 1246 break; 1247 } 1248 } 1249 } 1250 1251 static void 1252 tulip_2114x_media_preset(tulip_softc_t *sc) 1253 { 1254 const tulip_media_info_t *mi = NULL; 1255 tulip_media_t media = sc->tulip_media; 1256 1257 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1258 media = sc->tulip_media; 1259 else 1260 media = sc->tulip_probe_media; 1261 1262 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1263 sc->tulip_flags &= ~TULIP_SQETEST; 1264 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1265 mi = sc->tulip_mediums[media]; 1266 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1267 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1268 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1269 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1270 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1271 sc->tulip_cmdmode |= mi->mi_cmdmode; 1272 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1273 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1274 } 1275 } 1276 switch (media) { 1277 case TULIP_MEDIA_BNC: 1278 case TULIP_MEDIA_AUI: 1279 case TULIP_MEDIA_10BASET: { 1280 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1281 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1282 sc->tulip_if.if_baudrate = 10000000; 1283 sc->tulip_flags |= TULIP_SQETEST; 1284 break; 1285 } 1286 case TULIP_MEDIA_10BASET_FD: { 1287 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1288 sc->tulip_if.if_baudrate = 10000000; 1289 break; 1290 } 1291 case TULIP_MEDIA_100BASEFX: 1292 case TULIP_MEDIA_100BASET4: 1293 case TULIP_MEDIA_100BASETX: { 1294 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1295 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1296 sc->tulip_if.if_baudrate = 100000000; 1297 break; 1298 } 1299 case TULIP_MEDIA_100BASEFX_FD: 1300 case TULIP_MEDIA_100BASETX_FD: { 1301 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1302 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1303 sc->tulip_if.if_baudrate = 100000000; 1304 break; 1305 } 1306 default: { 1307 break; 1308 } 1309 } 1310 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1311 } 1312 1313 /* 1314 ******************************************************************** 1315 * Start of 21140/21140A support which does not use the MII interface 1316 */ 1317 1318 static void 1319 tulip_null_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event) 1320 { 1321 #if defined(DIAGNOSTIC) 1322 if_printf(&sc->tulip_if, "botch(media_poll) at line %d\n", __LINE__); 1323 #endif 1324 } 1325 1326 static void 1327 tulip_21140_mediainit(tulip_softc_t *sc, tulip_media_info_t *mip, 1328 tulip_media_t media, u_int gpdata, u_int cmdmode) 1329 { 1330 sc->tulip_mediums[media] = mip; 1331 mip->mi_type = TULIP_MEDIAINFO_GPR; 1332 mip->mi_cmdmode = cmdmode; 1333 mip->mi_gpdata = gpdata; 1334 } 1335 1336 static void 1337 tulip_21140_evalboard_media_probe(tulip_softc_t *sc) 1338 { 1339 tulip_media_info_t *mip = sc->tulip_mediainfo; 1340 1341 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1342 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1343 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1344 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1345 TULIP_CSR_WRITE(sc, csr_command, 1346 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1347 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1348 TULIP_CSR_WRITE(sc, csr_command, 1349 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1350 DELAY(1000000); 1351 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1352 sc->tulip_media = TULIP_MEDIA_10BASET; 1353 } else { 1354 sc->tulip_media = TULIP_MEDIA_100BASETX; 1355 } 1356 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1357 TULIP_GP_EB_INIT, 1358 TULIP_CMD_TXTHRSHLDCTL); 1359 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1360 TULIP_GP_EB_INIT, 1361 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1362 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1363 TULIP_GP_EB_INIT, 1364 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1365 |TULIP_CMD_SCRAMBLER); 1366 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1367 TULIP_GP_EB_INIT, 1368 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1369 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1370 } 1371 1372 static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1373 TULIP_21140_DEC_EB, 1374 tulip_21140_evalboard_media_probe, 1375 tulip_media_select, 1376 tulip_null_media_poll, 1377 tulip_2114x_media_preset, 1378 }; 1379 1380 static void 1381 tulip_21140_accton_media_probe(tulip_softc_t *sc) 1382 { 1383 tulip_media_info_t *mip = sc->tulip_mediainfo; 1384 u_int gpdata; 1385 1386 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1387 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1388 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1389 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1390 TULIP_CSR_WRITE(sc, csr_command, 1391 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1392 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1393 TULIP_CSR_WRITE(sc, csr_command, 1394 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1395 DELAY(1000000); 1396 gpdata = TULIP_CSR_READ(sc, csr_gp); 1397 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1398 sc->tulip_media = TULIP_MEDIA_10BASET; 1399 } else { 1400 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1401 sc->tulip_media = TULIP_MEDIA_BNC; 1402 } else { 1403 sc->tulip_media = TULIP_MEDIA_100BASETX; 1404 } 1405 } 1406 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1407 TULIP_GP_EN1207_BNC_INIT, 1408 TULIP_CMD_TXTHRSHLDCTL); 1409 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1410 TULIP_GP_EN1207_UTP_INIT, 1411 TULIP_CMD_TXTHRSHLDCTL); 1412 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1413 TULIP_GP_EN1207_UTP_INIT, 1414 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1415 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1416 TULIP_GP_EN1207_100_INIT, 1417 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1418 |TULIP_CMD_SCRAMBLER); 1419 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1420 TULIP_GP_EN1207_100_INIT, 1421 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1422 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1423 } 1424 1425 static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1426 TULIP_21140_EN1207, 1427 tulip_21140_accton_media_probe, 1428 tulip_media_select, 1429 tulip_null_media_poll, 1430 tulip_2114x_media_preset, 1431 }; 1432 1433 static void 1434 tulip_21140_smc9332_media_probe(tulip_softc_t *sc) 1435 { 1436 tulip_media_info_t *mip = sc->tulip_mediainfo; 1437 int idx, cnt = 0; 1438 1439 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1440 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1441 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1442 33MHz that comes to two microseconds but wait a 1443 bit longer anyways) */ 1444 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1445 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1446 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1447 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1448 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1449 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1450 DELAY(200000); 1451 for (idx = 1000; idx > 0; idx--) { 1452 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1453 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1454 if (++cnt > 100) 1455 break; 1456 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1457 break; 1458 } else { 1459 cnt = 0; 1460 } 1461 DELAY(1000); 1462 } 1463 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1464 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1465 TULIP_GP_SMC_9332_INIT, 1466 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1467 |TULIP_CMD_SCRAMBLER); 1468 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1469 TULIP_GP_SMC_9332_INIT, 1470 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1471 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1472 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1473 TULIP_GP_SMC_9332_INIT, 1474 TULIP_CMD_TXTHRSHLDCTL); 1475 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1476 TULIP_GP_SMC_9332_INIT, 1477 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1478 } 1479 1480 static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1481 TULIP_21140_SMC_9332, 1482 tulip_21140_smc9332_media_probe, 1483 tulip_media_select, 1484 tulip_null_media_poll, 1485 tulip_2114x_media_preset, 1486 }; 1487 1488 static void 1489 tulip_21140_cogent_em100_media_probe(tulip_softc_t *sc) 1490 { 1491 tulip_media_info_t *mip = sc->tulip_mediainfo; 1492 uint32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1493 1494 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1495 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1496 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1497 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1498 1499 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1500 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1501 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1502 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1503 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1504 1505 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1506 TULIP_GP_EM100_INIT, 1507 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1508 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1509 TULIP_GP_EM100_INIT, 1510 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1511 |TULIP_CMD_FULLDUPLEX); 1512 } else { 1513 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1514 sc->tulip_media = TULIP_MEDIA_100BASETX; 1515 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1516 TULIP_GP_EM100_INIT, 1517 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1518 |TULIP_CMD_SCRAMBLER); 1519 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1520 TULIP_GP_EM100_INIT, 1521 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1522 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1523 } 1524 } 1525 1526 static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1527 TULIP_21140_COGENT_EM100, 1528 tulip_21140_cogent_em100_media_probe, 1529 tulip_media_select, 1530 tulip_null_media_poll, 1531 tulip_2114x_media_preset 1532 }; 1533 1534 static void 1535 tulip_21140_znyx_zx34x_media_probe(tulip_softc_t *sc) 1536 { 1537 tulip_media_info_t *mip = sc->tulip_mediainfo; 1538 int cnt10 = 0, cnt100 = 0, idx; 1539 1540 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1541 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1542 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1543 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1544 TULIP_CSR_WRITE(sc, csr_command, 1545 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1546 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1547 TULIP_CSR_WRITE(sc, csr_command, 1548 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1549 1550 DELAY(200000); 1551 for (idx = 1000; idx > 0; idx--) { 1552 uint32_t csr = TULIP_CSR_READ(sc, csr_gp); 1553 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)) { 1554 if (++cnt100 > 100) 1555 break; 1556 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1557 if (++cnt10 > 100) 1558 break; 1559 } else { 1560 cnt10 = 0; 1561 cnt100 = 0; 1562 } 1563 DELAY(1000); 1564 } 1565 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1566 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1567 TULIP_GP_ZX34X_INIT, 1568 TULIP_CMD_TXTHRSHLDCTL); 1569 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1570 TULIP_GP_ZX34X_INIT, 1571 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1572 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1573 TULIP_GP_ZX34X_INIT, 1574 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1575 |TULIP_CMD_SCRAMBLER); 1576 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1577 TULIP_GP_ZX34X_INIT, 1578 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1579 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1580 } 1581 1582 static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1583 TULIP_21140_ZNYX_ZX34X, 1584 tulip_21140_znyx_zx34x_media_probe, 1585 tulip_media_select, 1586 tulip_null_media_poll, 1587 tulip_2114x_media_preset, 1588 }; 1589 1590 static void 1591 tulip_2114x_media_probe(tulip_softc_t *sc) 1592 { 1593 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE | TULIP_CMD_BACKOFFCTR | 1594 TULIP_CMD_THRSHLD72; 1595 } 1596 1597 static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1598 TULIP_21140_ISV, 1599 tulip_2114x_media_probe, 1600 tulip_media_select, 1601 tulip_media_poll, 1602 tulip_2114x_media_preset, 1603 }; 1604 1605 /* 1606 * ******** END of chip-specific handlers. *********** 1607 */ 1608 1609 /* 1610 * Code the read the SROM and MII bit streams (I2C) 1611 */ 1612 #define EMIT do { \ 1613 TULIP_CSR_WRITE(sc, csr_srom_mii, csr); \ 1614 DELAY(1); \ 1615 } while (0) 1616 1617 static void 1618 tulip_srom_idle(tulip_softc_t *sc) 1619 { 1620 u_int bit, csr; 1621 1622 csr = SROMSEL ; EMIT; 1623 csr = SROMSEL | SROMRD; EMIT; 1624 csr ^= SROMCS; EMIT; 1625 csr ^= SROMCLKON; EMIT; 1626 1627 /* 1628 * Write 25 cycles of 0 which will force the SROM to be idle. 1629 */ 1630 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1631 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1632 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1633 } 1634 csr ^= SROMCLKOFF; EMIT; 1635 csr ^= SROMCS; EMIT; 1636 csr = 0; EMIT; 1637 } 1638 1639 1640 static void 1641 tulip_srom_read(tulip_softc_t *sc) 1642 { 1643 const u_int bitwidth = SROM_BITWIDTH; 1644 const u_int cmdmask = (SROMCMD_RD << bitwidth); 1645 const u_int msb = 1 << (bitwidth + 3 - 1); 1646 u_int idx, lastidx = (1 << bitwidth) - 1; 1647 1648 tulip_srom_idle(sc); 1649 1650 for (idx = 0; idx <= lastidx; idx++) { 1651 u_int lastbit, data, bits, bit, csr; 1652 csr = SROMSEL ; EMIT; 1653 csr = SROMSEL | SROMRD; EMIT; 1654 csr ^= SROMCSON; EMIT; 1655 csr ^= SROMCLKON; EMIT; 1656 1657 lastbit = 0; 1658 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1659 u_int thisbit = bits & msb; 1660 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1661 if (thisbit != lastbit) { 1662 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1663 } else { 1664 EMIT; 1665 } 1666 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1667 lastbit = thisbit; 1668 } 1669 csr ^= SROMCLKOFF; EMIT; 1670 1671 for (data = 0, bits = 0; bits < 16; bits++) { 1672 data <<= 1; 1673 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1674 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1675 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1676 } 1677 sc->tulip_rombuf[idx*2] = data & 0xFF; 1678 sc->tulip_rombuf[idx*2+1] = data >> 8; 1679 csr = SROMSEL | SROMRD; EMIT; 1680 csr = 0; EMIT; 1681 } 1682 tulip_srom_idle(sc); 1683 } 1684 1685 #define MII_EMIT do { \ 1686 TULIP_CSR_WRITE(sc, csr_srom_mii, csr); \ 1687 DELAY(1); \ 1688 } while (0) 1689 1690 static void 1691 tulip_mii_writebits(tulip_softc_t *sc, u_int data, u_int bits) 1692 { 1693 u_int csr, msb, lastbit; 1694 1695 msb = 1 << (bits - 1); 1696 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1697 lastbit = (csr & MII_DOUT) ? msb : 0; 1698 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1699 1700 for (; bits > 0; bits--, data <<= 1) { 1701 const unsigned thisbit = data & msb; 1702 if (thisbit != lastbit) { 1703 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1704 } 1705 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1706 lastbit = thisbit; 1707 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1708 } 1709 } 1710 1711 static void 1712 tulip_mii_turnaround(tulip_softc_t *sc, u_int cmd) 1713 { 1714 u_int csr; 1715 1716 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1717 1718 if (cmd == MII_WRCMD) { 1719 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1720 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1721 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1722 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1723 } else { 1724 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1725 } 1726 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1727 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1728 } 1729 1730 static u_int 1731 tulip_mii_readbits(tulip_softc_t *sc) 1732 { 1733 u_int csr, data, idx; 1734 1735 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1736 1737 for (idx = 0, data = 0; idx < 16; idx++) { 1738 data <<= 1; /* this is NOOP on the first pass through */ 1739 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1740 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1741 data |= 1; 1742 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1743 } 1744 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1745 1746 return data; 1747 } 1748 1749 static u_int 1750 tulip_mii_readreg(tulip_softc_t *sc, u_int devaddr, u_int regno) 1751 { 1752 u_int csr; 1753 u_int data; 1754 1755 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1756 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1757 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1758 tulip_mii_writebits(sc, MII_RDCMD, 8); 1759 tulip_mii_writebits(sc, devaddr, 5); 1760 tulip_mii_writebits(sc, regno, 5); 1761 tulip_mii_turnaround(sc, MII_RDCMD); 1762 1763 data = tulip_mii_readbits(sc); 1764 return data; 1765 } 1766 1767 static void 1768 tulip_mii_writereg(tulip_softc_t *sc, u_int devaddr, u_int regno, u_int data) 1769 { 1770 u_int csr; 1771 1772 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1773 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1774 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1775 tulip_mii_writebits(sc, MII_WRCMD, 8); 1776 tulip_mii_writebits(sc, devaddr, 5); 1777 tulip_mii_writebits(sc, regno, 5); 1778 tulip_mii_turnaround(sc, MII_WRCMD); 1779 tulip_mii_writebits(sc, data, 16); 1780 } 1781 1782 #define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF) 1783 #define tulip_srom_crcok(databuf) ( \ 1784 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 1785 ((databuf)[126] | ((databuf)[127] << 8))) 1786 1787 static void 1788 tulip_identify_dec_nic(tulip_softc_t *sc) 1789 { 1790 strcpy(sc->tulip_boardid, "DEC "); 1791 #define D0 4 1792 if (sc->tulip_chipid <= TULIP_21040) 1793 return; 1794 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 1795 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 1796 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 1797 sc->tulip_boardid[D0+8] = ' '; 1798 } 1799 #undef D0 1800 } 1801 1802 static void 1803 tulip_identify_znyx_nic(tulip_softc_t * const sc) 1804 { 1805 u_int id = 0; 1806 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 1807 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 1808 u_int znyx_ptr; 1809 sc->tulip_boardid[8] = '4'; 1810 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 1811 if (znyx_ptr < 26 || znyx_ptr > 116) { 1812 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1813 return; 1814 } 1815 /* ZX344 = 0010 .. 0013FF 1816 */ 1817 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 1818 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 1819 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 1820 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 1821 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 1822 sc->tulip_boardid[9] = '2'; 1823 if (id == TULIP_ZNYX_ID_ZX342B) { 1824 sc->tulip_boardid[10] = 'B'; 1825 sc->tulip_boardid[11] = ' '; 1826 } 1827 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1828 } else if (id == TULIP_ZNYX_ID_ZX344) { 1829 sc->tulip_boardid[10] = '4'; 1830 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1831 } else if (id == TULIP_ZNYX_ID_ZX345) { 1832 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 1833 } else if (id == TULIP_ZNYX_ID_ZX346) { 1834 sc->tulip_boardid[9] = '6'; 1835 } else if (id == TULIP_ZNYX_ID_ZX351) { 1836 sc->tulip_boardid[8] = '5'; 1837 sc->tulip_boardid[9] = '1'; 1838 } 1839 } 1840 if (id == 0) { 1841 /* 1842 * Assume it's a ZX342... 1843 */ 1844 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1845 } 1846 return; 1847 } 1848 sc->tulip_boardid[8] = '1'; 1849 if (sc->tulip_chipid == TULIP_21041) { 1850 sc->tulip_boardid[10] = '1'; 1851 return; 1852 } 1853 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 1854 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 1855 if (id == TULIP_ZNYX_ID_ZX312T) { 1856 sc->tulip_boardid[9] = '2'; 1857 sc->tulip_boardid[10] = 'T'; 1858 sc->tulip_boardid[11] = ' '; 1859 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1860 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 1861 sc->tulip_boardid[9] = '4'; 1862 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1863 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1864 } else if (id == TULIP_ZNYX_ID_ZX314) { 1865 sc->tulip_boardid[9] = '4'; 1866 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1867 sc->tulip_features |= TULIP_HAVE_BASEROM; 1868 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 1869 sc->tulip_boardid[9] = '5'; 1870 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1871 } else if (id == TULIP_ZNYX_ID_ZX315) { 1872 sc->tulip_boardid[9] = '5'; 1873 sc->tulip_features |= TULIP_HAVE_BASEROM; 1874 } else { 1875 id = 0; 1876 } 1877 } 1878 if (id == 0) { 1879 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 1880 sc->tulip_boardid[9] = '4'; 1881 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1882 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1883 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 1884 sc->tulip_boardid[9] = '5'; 1885 sc->tulip_boardsw = &tulip_21040_boardsw; 1886 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1887 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 1888 sc->tulip_boardid[9] = '2'; 1889 sc->tulip_boardsw = &tulip_21040_boardsw; 1890 } 1891 } 1892 } 1893 1894 static void 1895 tulip_identify_smc_nic(tulip_softc_t * const sc) 1896 { 1897 uint32_t id1, id2, ei; 1898 int auibnc = 0, utp = 0; 1899 char *cp; 1900 1901 strcpy(sc->tulip_boardid, "SMC "); 1902 if (sc->tulip_chipid == TULIP_21041) 1903 return; 1904 if (sc->tulip_chipid != TULIP_21040) { 1905 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 1906 strcpy(&sc->tulip_boardid[4], "9332DST "); 1907 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 1908 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 1909 strcpy(&sc->tulip_boardid[4], "9334BDT "); 1910 } else { 1911 strcpy(&sc->tulip_boardid[4], "9332BDT "); 1912 } 1913 return; 1914 } 1915 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 1916 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 1917 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 1918 1919 strcpy(&sc->tulip_boardid[4], "8432"); 1920 cp = &sc->tulip_boardid[8]; 1921 if ((id1 & 1) == 0) 1922 *cp++ = 'B', auibnc = 1; 1923 if ((id1 & 0xFF) > 0x32) 1924 *cp++ = 'T', utp = 1; 1925 if ((id1 & 0x4000) == 0) 1926 *cp++ = 'A', auibnc = 1; 1927 if (id2 == 0x15) { 1928 sc->tulip_boardid[7] = '4'; 1929 *cp++ = '-'; 1930 *cp++ = 'C'; 1931 *cp++ = 'H'; 1932 *cp++ = (ei ? '2' : '1'); 1933 } 1934 *cp++ = ' '; 1935 *cp = '\0'; 1936 if (utp && !auibnc) 1937 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1938 else if (!utp && auibnc) 1939 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 1940 } 1941 1942 static void 1943 tulip_identify_cogent_nic(tulip_softc_t * const sc) 1944 { 1945 strcpy(sc->tulip_boardid, "Cogent "); 1946 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 1947 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 1948 strcat(sc->tulip_boardid, "EM100TX "); 1949 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 1950 #if defined(TULIP_COGENT_EM110TX_ID) 1951 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 1952 strcat(sc->tulip_boardid, "EM110TX "); 1953 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 1954 #endif 1955 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1956 strcat(sc->tulip_boardid, "EM100FX "); 1957 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 1958 } 1959 /* 1960 * Magic number (0x24001109U) is the SubVendor (0x2400) and 1961 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 1962 */ 1963 if (*(uint32_t *) sc->tulip_rombuf == 0x24001109U 1964 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 1965 /* 1966 * Cogent (Adaptec) is still mapping all INTs to INTA of 1967 * first 21140. Dumb! Dumb! 1968 */ 1969 strcat(sc->tulip_boardid, "EM440TX "); 1970 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 1971 } 1972 } else if (sc->tulip_chipid == TULIP_21040) { 1973 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1974 } 1975 } 1976 1977 static void 1978 tulip_identify_accton_nic(tulip_softc_t * const sc) 1979 { 1980 strcpy(sc->tulip_boardid, "ACCTON "); 1981 switch (sc->tulip_chipid) { 1982 case TULIP_21140A: 1983 strcat(sc->tulip_boardid, "EN1207 "); 1984 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 1985 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 1986 break; 1987 case TULIP_21140: 1988 strcat(sc->tulip_boardid, "EN1207TX "); 1989 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 1990 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 1991 break; 1992 case TULIP_21040: 1993 strcat(sc->tulip_boardid, "EN1203 "); 1994 sc->tulip_boardsw = &tulip_21040_boardsw; 1995 break; 1996 case TULIP_21041: 1997 strcat(sc->tulip_boardid, "EN1203 "); 1998 sc->tulip_boardsw = &tulip_21041_boardsw; 1999 break; 2000 default: 2001 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2002 break; 2003 } 2004 } 2005 2006 static void 2007 tulip_identify_asante_nic(tulip_softc_t * const sc) 2008 { 2009 strcpy(sc->tulip_boardid, "Asante "); 2010 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2011 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2012 tulip_media_info_t *mi = sc->tulip_mediainfo; 2013 int idx; 2014 /* 2015 * The Asante Fast Ethernet doesn't always ship with a valid 2016 * new format SROM. So if isn't in the new format, we cheat 2017 * set it up as if we had. 2018 */ 2019 2020 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2021 sc->tulip_gpdata = 0; 2022 2023 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2024 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2025 DELAY(100); 2026 TULIP_CSR_WRITE(sc, csr_gp, 0); 2027 2028 mi->mi_type = TULIP_MEDIAINFO_MII; 2029 mi->mi_gpr_length = 0; 2030 mi->mi_gpr_offset = 0; 2031 mi->mi_reset_length = 0; 2032 mi->mi_reset_offset = 0; 2033 2034 mi->mi_phyaddr = TULIP_MII_NOPHY; 2035 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2036 DELAY(10000); 2037 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2038 } 2039 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2040 if_printf(&sc->tulip_if, "can't find phy 0\n"); 2041 return; 2042 } 2043 2044 sc->tulip_features |= TULIP_HAVE_MII; 2045 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2046 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2047 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2048 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2049 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2050 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2051 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2052 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2053 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2054 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2055 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2056 2057 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2058 } 2059 } 2060 2061 static void 2062 tulip_identify_compex_nic(tulip_softc_t *sc) 2063 { 2064 strcpy(sc->tulip_boardid, "COMPEX "); 2065 if (sc->tulip_chipid == TULIP_21140A) { 2066 int root_unit; 2067 tulip_softc_t *root_sc = NULL; 2068 2069 strcat(sc->tulip_boardid, "400TX/PCI "); 2070 /* 2071 * All 4 chips on these boards share an interrupt. This code 2072 * copied from tulip_read_macaddr. 2073 */ 2074 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2075 for (root_unit = device_get_unit(sc->tulip_dev) - 1; root_unit >= 0; root_unit--) { 2076 root_sc = tulips[root_unit]; 2077 if (root_sc == NULL 2078 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2079 break; 2080 root_sc = NULL; 2081 } 2082 if (root_sc != NULL 2083 && root_sc->tulip_chipid == sc->tulip_chipid 2084 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2085 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2086 sc->tulip_slaves = root_sc->tulip_slaves; 2087 root_sc->tulip_slaves = sc; 2088 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) { 2089 if_printf(&sc->tulip_if, "can't find master device for interrupts"); 2090 } 2091 } else { 2092 strcat(sc->tulip_boardid, "unknown "); 2093 } 2094 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2095 return; 2096 } 2097 2098 static int 2099 tulip_srom_decode(tulip_softc_t *sc) 2100 { 2101 u_int idx1, idx2, idx3; 2102 2103 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2104 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2105 tulip_srom_media_t srom_media; 2106 tulip_media_info_t *mi = sc->tulip_mediainfo; 2107 const uint8_t *dp; 2108 uint32_t leaf_offset, blocks, data; 2109 2110 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2111 if (shp->sh_adapter_count == 1) 2112 break; 2113 if (saip->sai_device == sc->tulip_pci_devno) 2114 break; 2115 } 2116 /* 2117 * Didn't find the right media block for this card. 2118 */ 2119 if (idx1 == shp->sh_adapter_count) 2120 return 0; 2121 2122 /* 2123 * Save the hardware address. 2124 */ 2125 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6); 2126 /* 2127 * If this is a multiple port card, add the adapter index to the last 2128 * byte of the hardware address. (if it isn't multiport, adding 0 2129 * won't hurt. 2130 */ 2131 sc->tulip_enaddr[5] += idx1; 2132 2133 leaf_offset = saip->sai_leaf_offset_lowbyte 2134 + saip->sai_leaf_offset_highbyte * 256; 2135 dp = sc->tulip_rombuf + leaf_offset; 2136 2137 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2138 2139 for (idx2 = 0;; idx2++) { 2140 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2141 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2142 break; 2143 } 2144 sc->tulip_connidx = idx2; 2145 2146 if (sc->tulip_chipid == TULIP_21041) { 2147 blocks = *dp++; 2148 for (idx2 = 0; idx2 < blocks; idx2++) { 2149 tulip_media_t media; 2150 data = *dp++; 2151 srom_media = (tulip_srom_media_t) (data & 0x3F); 2152 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2153 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2154 break; 2155 } 2156 media = tulip_srom_mediums[idx3].sm_type; 2157 if (media != TULIP_MEDIA_UNKNOWN) { 2158 if (data & TULIP_SROM_21041_EXTENDED) { 2159 mi->mi_type = TULIP_MEDIAINFO_SIA; 2160 sc->tulip_mediums[media] = mi; 2161 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2162 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2163 mi->mi_sia_general = dp[4] + dp[5] * 256; 2164 mi++; 2165 } else { 2166 switch (media) { 2167 case TULIP_MEDIA_BNC: { 2168 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2169 mi++; 2170 break; 2171 } 2172 case TULIP_MEDIA_AUI: { 2173 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2174 mi++; 2175 break; 2176 } 2177 case TULIP_MEDIA_10BASET: { 2178 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2179 mi++; 2180 break; 2181 } 2182 case TULIP_MEDIA_10BASET_FD: { 2183 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2184 mi++; 2185 break; 2186 } 2187 default: { 2188 break; 2189 } 2190 } 2191 } 2192 } 2193 if (data & TULIP_SROM_21041_EXTENDED) 2194 dp += 6; 2195 } 2196 #ifdef notdef 2197 if (blocks == 0) { 2198 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2199 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2200 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2201 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2202 } 2203 #endif 2204 } else { 2205 unsigned length, type; 2206 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2207 if (sc->tulip_features & TULIP_HAVE_GPR) 2208 sc->tulip_gpinit = *dp++; 2209 blocks = *dp++; 2210 for (idx2 = 0; idx2 < blocks; idx2++) { 2211 const uint8_t *ep; 2212 if ((*dp & 0x80) == 0) { 2213 length = 4; 2214 type = 0; 2215 } else { 2216 length = (*dp++ & 0x7f) - 1; 2217 type = *dp++ & 0x3f; 2218 } 2219 ep = dp + length; 2220 switch (type & 0x3f) { 2221 case 0: { /* 21140[A] GPR block */ 2222 tulip_media_t media; 2223 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2224 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2225 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2226 break; 2227 } 2228 media = tulip_srom_mediums[idx3].sm_type; 2229 if (media == TULIP_MEDIA_UNKNOWN) 2230 break; 2231 mi->mi_type = TULIP_MEDIAINFO_GPR; 2232 sc->tulip_mediums[media] = mi; 2233 mi->mi_gpdata = dp[1]; 2234 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2235 sc->tulip_gpdata = mi->mi_gpdata; 2236 gp_media = media; 2237 } 2238 data = dp[2] + dp[3] * 256; 2239 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2240 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2241 mi->mi_actmask = 0; 2242 } else { 2243 #if 0 2244 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2245 #endif 2246 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2247 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2248 } 2249 mi++; 2250 break; 2251 } 2252 case 1: { /* 21140[A] MII block */ 2253 const u_int phyno = *dp++; 2254 mi->mi_type = TULIP_MEDIAINFO_MII; 2255 mi->mi_gpr_length = *dp++; 2256 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2257 dp += mi->mi_gpr_length; 2258 mi->mi_reset_length = *dp++; 2259 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2260 dp += mi->mi_reset_length; 2261 2262 /* 2263 * Before we probe for a PHY, use the GPR information 2264 * to select it. If we don't, it may be inaccessible. 2265 */ 2266 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2267 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2268 DELAY(10); 2269 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2270 } 2271 sc->tulip_phyaddr = mi->mi_phyaddr; 2272 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2273 DELAY(10); 2274 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2275 } 2276 2277 /* 2278 * At least write something! 2279 */ 2280 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2281 TULIP_CSR_WRITE(sc, csr_gp, 0); 2282 2283 mi->mi_phyaddr = TULIP_MII_NOPHY; 2284 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2285 DELAY(10000); 2286 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2287 } 2288 if (mi->mi_phyaddr == TULIP_MII_NOPHY) 2289 break; 2290 sc->tulip_features |= TULIP_HAVE_MII; 2291 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2292 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2293 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2294 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2295 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2296 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2297 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2298 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2299 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2300 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2301 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2302 mi++; 2303 break; 2304 } 2305 case 2: { /* 2114[23] SIA block */ 2306 tulip_media_t media; 2307 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2308 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2309 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2310 break; 2311 } 2312 media = tulip_srom_mediums[idx3].sm_type; 2313 if (media == TULIP_MEDIA_UNKNOWN) 2314 break; 2315 mi->mi_type = TULIP_MEDIAINFO_SIA; 2316 sc->tulip_mediums[media] = mi; 2317 if (dp[0] & 0x40) { 2318 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2319 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2320 mi->mi_sia_general = dp[5] + dp[6] * 256; 2321 dp += 6; 2322 } else { 2323 switch (media) { 2324 case TULIP_MEDIA_BNC: { 2325 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2326 break; 2327 } 2328 case TULIP_MEDIA_AUI: { 2329 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2330 break; 2331 } 2332 case TULIP_MEDIA_10BASET: { 2333 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2334 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2335 break; 2336 } 2337 case TULIP_MEDIA_10BASET_FD: { 2338 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2339 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2340 break; 2341 } 2342 default: { 2343 goto bad_media; 2344 } 2345 } 2346 } 2347 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2348 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2349 mi++; 2350 bad_media: 2351 break; 2352 } 2353 case 3: { /* 2114[23] MII PHY block */ 2354 const u_int phyno = *dp++; 2355 const uint8_t *dp0; 2356 mi->mi_type = TULIP_MEDIAINFO_MII; 2357 mi->mi_gpr_length = *dp++; 2358 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2359 dp += 2 * mi->mi_gpr_length; 2360 mi->mi_reset_length = *dp++; 2361 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2362 dp += 2 * mi->mi_reset_length; 2363 2364 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2365 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2366 DELAY(10); 2367 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2368 } 2369 sc->tulip_phyaddr = mi->mi_phyaddr; 2370 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2371 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2372 DELAY(10); 2373 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2374 } 2375 2376 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2377 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2378 2379 mi->mi_phyaddr = TULIP_MII_NOPHY; 2380 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2381 DELAY(10000); 2382 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2383 } 2384 if (mi->mi_phyaddr == TULIP_MII_NOPHY) 2385 break; 2386 sc->tulip_features |= TULIP_HAVE_MII; 2387 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2388 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2389 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2390 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2391 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2392 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2393 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2394 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2395 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2396 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2397 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2398 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2399 mi++; 2400 break; 2401 } 2402 case 4: { /* 21143 SYM block */ 2403 tulip_media_t media; 2404 srom_media = (tulip_srom_media_t) dp[0]; 2405 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2406 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2407 break; 2408 } 2409 media = tulip_srom_mediums[idx3].sm_type; 2410 if (media == TULIP_MEDIA_UNKNOWN) 2411 break; 2412 mi->mi_type = TULIP_MEDIAINFO_SYM; 2413 sc->tulip_mediums[media] = mi; 2414 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2415 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2416 data = dp[5] + dp[6] * 256; 2417 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2418 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2419 mi->mi_actmask = 0; 2420 } else { 2421 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2422 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2423 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2424 } 2425 if (TULIP_IS_MEDIA_TP(media)) 2426 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2427 mi++; 2428 break; 2429 } 2430 #if 0 2431 case 5: { /* 21143 Reset block */ 2432 mi->mi_type = TULIP_MEDIAINFO_RESET; 2433 mi->mi_reset_length = *dp++; 2434 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2435 dp += 2 * mi->mi_reset_length; 2436 mi++; 2437 break; 2438 } 2439 #endif 2440 default: { 2441 } 2442 } 2443 dp = ep; 2444 } 2445 } 2446 return mi - sc->tulip_mediainfo; 2447 } 2448 2449 static const struct { 2450 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2451 unsigned char vendor_oui[3]; 2452 } tulip_vendors[] = { 2453 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2454 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2455 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2456 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2457 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2458 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2459 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2460 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2461 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2462 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2463 { NULL } 2464 }; 2465 2466 /* 2467 * This deals with the vagaries of the address roms and the 2468 * brain-deadness that various vendors commit in using them. 2469 */ 2470 static int 2471 tulip_read_macaddr(tulip_softc_t *sc) 2472 { 2473 u_int cksum, rom_cksum, idx; 2474 uint32_t csr; 2475 unsigned char tmpbuf[8]; 2476 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2477 2478 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2479 2480 if (sc->tulip_chipid == TULIP_21040) { 2481 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2482 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2483 int cnt = 0; 2484 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2485 cnt++; 2486 sc->tulip_rombuf[idx] = csr & 0xFF; 2487 } 2488 sc->tulip_boardsw = &tulip_21040_boardsw; 2489 } else { 2490 if (sc->tulip_chipid == TULIP_21041) { 2491 /* 2492 * Thankfully all 21041's act the same. 2493 */ 2494 sc->tulip_boardsw = &tulip_21041_boardsw; 2495 } else { 2496 /* 2497 * Assume all 21140 board are compatible with the 2498 * DEC 10/100 evaluation board. Not really valid but 2499 * it's the best we can do until every one switches to 2500 * the new SROM format. 2501 */ 2502 2503 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2504 } 2505 tulip_srom_read(sc); 2506 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2507 /* 2508 * SROM CRC is valid therefore it must be in the 2509 * new format. 2510 */ 2511 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2512 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2513 /* 2514 * No checksum is present. See if the SROM id checks out; 2515 * the first 18 bytes should be 0 followed by a 1 followed 2516 * by the number of adapters (which we don't deal with yet). 2517 */ 2518 for (idx = 0; idx < 18; idx++) { 2519 if (sc->tulip_rombuf[idx] != 0) 2520 break; 2521 } 2522 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2523 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2524 } else if (sc->tulip_chipid >= TULIP_21142) { 2525 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2526 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2527 } 2528 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2529 if (sc->tulip_chipid != TULIP_21041) 2530 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2531 2532 /* 2533 * If the SROM specifies more than one adapter, tag this as a 2534 * BASE rom. 2535 */ 2536 if (sc->tulip_rombuf[19] > 1) 2537 sc->tulip_features |= TULIP_HAVE_BASEROM; 2538 if (sc->tulip_boardsw == NULL) 2539 return -6; 2540 goto check_oui; 2541 } 2542 } 2543 2544 2545 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2546 /* 2547 * Some folks don't use the standard ethernet rom format 2548 * but instead just put the address in the first 6 bytes 2549 * of the rom and let the rest be all 0xffs. (Can we say 2550 * ZNYX?) (well sometimes they put in a checksum so we'll 2551 * start at 8). 2552 */ 2553 for (idx = 8; idx < 32; idx++) { 2554 if (sc->tulip_rombuf[idx] != 0xFF) 2555 return -4; 2556 } 2557 /* 2558 * Make sure the address is not multicast or locally assigned 2559 * that the OUI is not 00-00-00. 2560 */ 2561 if ((sc->tulip_rombuf[0] & 3) != 0) 2562 return -4; 2563 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2564 && sc->tulip_rombuf[2] == 0) 2565 return -4; 2566 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2567 sc->tulip_features |= TULIP_HAVE_OKROM; 2568 goto check_oui; 2569 } else { 2570 /* 2571 * A number of makers of multiport boards (ZNYX and Cogent) 2572 * only put on one address ROM on their 21040 boards. So 2573 * if the ROM is all zeros (or all 0xFFs), look at the 2574 * previous configured boards (as long as they are on the same 2575 * PCI bus and the bus number is non-zero) until we find the 2576 * master board with address ROM. We then use its address ROM 2577 * as the base for this board. (we add our relative board 2578 * to the last byte of its address). 2579 */ 2580 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2581 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2582 break; 2583 } 2584 if (idx == sizeof(sc->tulip_rombuf)) { 2585 int root_unit; 2586 tulip_softc_t *root_sc = NULL; 2587 for (root_unit = device_get_unit(sc->tulip_dev) - 1; root_unit >= 0; root_unit--) { 2588 root_sc = tulips[root_unit]; 2589 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2590 break; 2591 root_sc = NULL; 2592 } 2593 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2594 && root_sc->tulip_chipid == sc->tulip_chipid 2595 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2596 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2597 sc->tulip_boardsw = root_sc->tulip_boardsw; 2598 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2599 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2600 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2601 sizeof(sc->tulip_rombuf)); 2602 if (!tulip_srom_decode(sc)) 2603 return -5; 2604 } else { 2605 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2606 sc->tulip_enaddr[5] += device_get_unit(sc->tulip_dev) - device_get_unit(root_sc->tulip_dev); 2607 } 2608 /* 2609 * Now for a truly disgusting kludge: all 4 21040s on 2610 * the ZX314 share the same INTA line so the mapping 2611 * setup by the BIOS on the PCI bridge is worthless. 2612 * Rather than reprogramming the value in the config 2613 * register, we will handle this internally. 2614 */ 2615 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2616 sc->tulip_slaves = root_sc->tulip_slaves; 2617 root_sc->tulip_slaves = sc; 2618 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2619 } 2620 return 0; 2621 } 2622 } 2623 } 2624 2625 /* 2626 * This is the standard DEC address ROM test. 2627 */ 2628 2629 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2630 return -3; 2631 2632 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2633 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2634 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2635 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2636 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2637 return -2; 2638 2639 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2640 2641 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2642 cksum *= 2; 2643 if (cksum > 65535) cksum -= 65535; 2644 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2645 if (cksum > 65535) cksum -= 65535; 2646 cksum *= 2; 2647 if (cksum > 65535) cksum -= 65535; 2648 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2649 if (cksum >= 65535) cksum -= 65535; 2650 2651 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2652 2653 if (cksum != rom_cksum) 2654 return -1; 2655 2656 check_oui: 2657 /* 2658 * Check for various boards based on OUI. Did I say braindead? 2659 */ 2660 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2661 if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { 2662 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2663 break; 2664 } 2665 } 2666 2667 sc->tulip_features |= TULIP_HAVE_OKROM; 2668 return 0; 2669 } 2670 2671 static void 2672 tulip_ifmedia_add(tulip_softc_t * const sc) 2673 { 2674 tulip_media_t media; 2675 int medias = 0; 2676 2677 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2678 if (sc->tulip_mediums[media] != NULL) { 2679 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2680 0, 0); 2681 medias++; 2682 } 2683 } 2684 if (medias == 0) { 2685 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2686 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2687 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2688 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2689 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2690 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2691 } else { 2692 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2693 sc->tulip_flags |= TULIP_PRINTMEDIA; 2694 tulip_linkup(sc, sc->tulip_media); 2695 } 2696 } 2697 2698 static int 2699 tulip_ifmedia_change(struct ifnet *ifp) 2700 { 2701 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 2702 2703 sc->tulip_flags |= TULIP_NEEDRESET; 2704 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2705 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2706 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2707 tulip_media_t media; 2708 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2709 if (sc->tulip_mediums[media] != NULL 2710 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2711 sc->tulip_flags |= TULIP_PRINTMEDIA; 2712 sc->tulip_flags &= ~TULIP_DIDNWAY; 2713 tulip_linkup(sc, media); 2714 return 0; 2715 } 2716 } 2717 } 2718 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2719 tulip_reset(sc); 2720 tulip_init(sc); 2721 return 0; 2722 } 2723 2724 /* 2725 * Media status callback 2726 */ 2727 static void 2728 tulip_ifmedia_status(struct ifnet *ifp, struct ifmediareq *req) 2729 { 2730 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 2731 2732 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 2733 return; 2734 2735 req->ifm_status = IFM_AVALID; 2736 if (sc->tulip_flags & TULIP_LINKUP) 2737 req->ifm_status |= IFM_ACTIVE; 2738 2739 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 2740 } 2741 2742 static void 2743 tulip_addr_filter(tulip_softc_t *sc) 2744 { 2745 struct ifmultiaddr *ifma; 2746 u_char *addrp; 2747 int multicnt; 2748 2749 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 2750 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 2751 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 2752 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 2753 #if defined(IFF_ALLMULTI) 2754 if (sc->tulip_if.if_flags & IFF_ALLMULTI) 2755 sc->tulip_flags |= TULIP_ALLMULTI ; 2756 #endif 2757 2758 multicnt = 0; 2759 LIST_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) { 2760 if (ifma->ifma_addr->sa_family == AF_LINK) 2761 multicnt++; 2762 } 2763 2764 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 2765 if (multicnt > 14) { 2766 uint32_t *sp = sc->tulip_setupdata; 2767 u_int hash; 2768 /* 2769 * Some early passes of the 21140 have broken implementations of 2770 * hash-perfect mode. When we get too many multicasts for perfect 2771 * filtering with these chips, we need to switch into hash-only 2772 * mode (this is better than all-multicast on network with lots 2773 * of multicast traffic). 2774 */ 2775 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 2776 sc->tulip_flags |= TULIP_WANTHASHONLY; 2777 else 2778 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 2779 /* 2780 * If we have more than 14 multicasts, we have 2781 * go into hash perfect mode (512 bit multicast 2782 * hash and one perfect hardware). 2783 */ 2784 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 2785 2786 LIST_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) { 2787 if (ifma->ifma_addr->sa_family != AF_LINK) 2788 continue; 2789 2790 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 2791 #if BYTE_ORDER == BIG_ENDIAN 2792 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 2793 #else 2794 sp[hash >> 4] |= 1 << (hash & 0xF); 2795 #endif 2796 } 2797 /* 2798 * No reason to use a hash if we are going to be 2799 * receiving every multicast. 2800 */ 2801 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2802 hash = tulip_mchash(sc->tulip_if.if_broadcastaddr); 2803 #if BYTE_ORDER == BIG_ENDIAN 2804 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 2805 #else 2806 sp[hash >> 4] |= 1 << (hash & 0xF); 2807 #endif 2808 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 2809 hash = tulip_mchash(sc->tulip_enaddr); 2810 #if BYTE_ORDER == BIG_ENDIAN 2811 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 2812 #else 2813 sp[hash >> 4] |= 1 << (hash & 0xF); 2814 #endif 2815 } else { 2816 #if BYTE_ORDER == BIG_ENDIAN 2817 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 2818 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 2819 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 2820 #else 2821 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 2822 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 2823 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 2824 #endif 2825 } 2826 } 2827 } 2828 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 2829 uint32_t *sp = sc->tulip_setupdata; 2830 int idx = 0; 2831 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2832 /* 2833 * Else can get perfect filtering for 16 addresses. 2834 */ 2835 LIST_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) { 2836 if (ifma->ifma_addr->sa_family != AF_LINK) 2837 continue; 2838 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 2839 #if BYTE_ORDER == BIG_ENDIAN 2840 *sp++ = ((u_int16_t *) addrp)[0] << 16; 2841 *sp++ = ((u_int16_t *) addrp)[1] << 16; 2842 *sp++ = ((u_int16_t *) addrp)[2] << 16; 2843 #else 2844 *sp++ = ((u_int16_t *) addrp)[0]; 2845 *sp++ = ((u_int16_t *) addrp)[1]; 2846 *sp++ = ((u_int16_t *) addrp)[2]; 2847 #endif 2848 idx++; 2849 } 2850 /* 2851 * Add the broadcast address. 2852 */ 2853 idx++; 2854 #if BYTE_ORDER == BIG_ENDIAN 2855 *sp++ = 0xFFFF << 16; 2856 *sp++ = 0xFFFF << 16; 2857 *sp++ = 0xFFFF << 16; 2858 #else 2859 *sp++ = 0xFFFF; 2860 *sp++ = 0xFFFF; 2861 *sp++ = 0xFFFF; 2862 #endif 2863 } 2864 /* 2865 * Pad the rest with our hardware address 2866 */ 2867 for (; idx < 16; idx++) { 2868 #if BYTE_ORDER == BIG_ENDIAN 2869 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 2870 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 2871 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 2872 #else 2873 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 2874 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 2875 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 2876 #endif 2877 } 2878 } 2879 #if defined(IFF_ALLMULTI) 2880 if (sc->tulip_flags & TULIP_ALLMULTI) 2881 sc->tulip_if.if_flags |= IFF_ALLMULTI; 2882 #endif 2883 } 2884 2885 static void 2886 tulip_reset(tulip_softc_t *sc) 2887 { 2888 tulip_ringinfo_t *ri; 2889 tulip_desc_t *di; 2890 uint32_t inreset = (sc->tulip_flags & TULIP_INRESET); 2891 2892 /* 2893 * Brilliant. Simply brilliant. When switching modes/speeds 2894 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 2895 * bits in CSR6 and then do a software reset to get the 21140 2896 * to properly reset its internal pathways to the right places. 2897 * Grrrr. 2898 */ 2899 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 2900 && sc->tulip_boardsw->bd_media_preset != NULL) 2901 (*sc->tulip_boardsw->bd_media_preset)(sc); 2902 2903 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 2904 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 2905 33MHz that comes to two microseconds but wait a 2906 bit longer anyways) */ 2907 2908 if (!inreset) { 2909 sc->tulip_flags |= TULIP_INRESET; 2910 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 2911 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 2912 sc->tulip_if.if_start = tulip_ifstart; 2913 } 2914 2915 TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); 2916 TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); 2917 TULIP_CSR_WRITE(sc, csr_busmode, 2918 (1 << (3 /*pci_max_burst_len*/ + 8)) 2919 |TULIP_BUSMODE_CACHE_ALIGN8 2920 |TULIP_BUSMODE_READMULTIPLE 2921 |(BYTE_ORDER != LITTLE_ENDIAN ? 2922 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 2923 2924 sc->tulip_txtimer = 0; 2925 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 2926 /* 2927 * Free all the mbufs that were on the transmit ring. 2928 */ 2929 IF_DRAIN(&sc->tulip_txq); 2930 2931 ri = &sc->tulip_txinfo; 2932 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 2933 ri->ri_free = ri->ri_max; 2934 for (di = ri->ri_first; di < ri->ri_last; di++) 2935 di->d_status = 0; 2936 2937 /* 2938 * We need to collect all the mbufs were on the 2939 * receive ring before we reinit it either to put 2940 * them back on or to know if we have to allocate 2941 * more. 2942 */ 2943 ri = &sc->tulip_rxinfo; 2944 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 2945 ri->ri_free = ri->ri_max; 2946 for (di = ri->ri_first; di < ri->ri_last; di++) { 2947 di->d_status = 0; 2948 di->d_length1 = 0; di->d_addr1 = 0; 2949 di->d_length2 = 0; di->d_addr2 = 0; 2950 } 2951 IF_DRAIN(&sc->tulip_rxq); 2952 2953 /* 2954 * If tulip_reset is being called recurisvely, exit quickly knowing 2955 * that when the outer tulip_reset returns all the right stuff will 2956 * have happened. 2957 */ 2958 if (inreset) 2959 return; 2960 2961 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 2962 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 2963 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 2964 |TULIP_STS_RXSTOPPED; 2965 2966 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 2967 (*sc->tulip_boardsw->bd_media_select)(sc); 2968 tulip_media_print(sc); 2969 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 2970 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 2971 2972 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 2973 |TULIP_RXACT); 2974 tulip_addr_filter(sc); 2975 } 2976 2977 static void 2978 tulip_init(tulip_softc_t * const sc) 2979 { 2980 if (sc->tulip_if.if_flags & IFF_UP) { 2981 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 2982 /* initialize the media */ 2983 tulip_reset(sc); 2984 } 2985 sc->tulip_if.if_flags |= IFF_RUNNING; 2986 if (sc->tulip_if.if_flags & IFF_PROMISC) { 2987 sc->tulip_flags |= TULIP_PROMISC; 2988 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 2989 sc->tulip_intrmask |= TULIP_STS_TXINTR; 2990 } else { 2991 sc->tulip_flags &= ~TULIP_PROMISC; 2992 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 2993 if (sc->tulip_flags & TULIP_ALLMULTI) { 2994 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 2995 } else { 2996 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 2997 } 2998 } 2999 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3000 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3001 tulip_rx_intr(sc); 3002 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3003 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3004 } else { 3005 sc->tulip_if.if_flags |= IFF_OACTIVE; 3006 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3007 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3008 } 3009 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3010 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3011 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3012 tulip_txput_setup(sc); 3013 } else { 3014 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3015 tulip_reset(sc); 3016 } 3017 } 3018 3019 static void 3020 tulip_rx_intr(tulip_softc_t *sc) 3021 { 3022 tulip_ringinfo_t *ri = &sc->tulip_rxinfo; 3023 struct ifnet *ifp = &sc->tulip_if; 3024 int fillok = 1; 3025 3026 for (;;) { 3027 tulip_desc_t *eop = ri->ri_nextin; 3028 int total_len = 0, last_offset = 0; 3029 struct mbuf *ms = NULL, *me = NULL; 3030 int accept = 0; 3031 3032 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3033 goto queue_mbuf; 3034 3035 /* 3036 * If the TULIP has no descriptors, there can't be any receive 3037 * descriptors to process. 3038 */ 3039 if (eop == ri->ri_nextout) 3040 break; 3041 3042 /* 3043 * 90% of the packets will fit in one descriptor. So we optimize 3044 * for that case. 3045 */ 3046 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3047 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3048 IF_DEQUEUE(&sc->tulip_rxq, ms); 3049 me = ms; 3050 } else { 3051 /* 3052 * If still owned by the TULIP, don't touch it. 3053 */ 3054 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3055 break; 3056 3057 /* 3058 * It is possible (though improbable unless the BIG_PACKET support 3059 * is enabled or MCLBYTES < 1518) for a received packet to cross 3060 * more than one receive descriptor. 3061 */ 3062 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3063 if (++eop == ri->ri_last) 3064 eop = ri->ri_first; 3065 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3066 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3067 return; 3068 } 3069 total_len++; 3070 } 3071 3072 /* 3073 * Dequeue the first buffer for the start of the packet. Hopefully 3074 * this will be the only one we need to dequeue. However, if the 3075 * packet consumed multiple descriptors, then we need to dequeue 3076 * those buffers and chain to the starting mbuf. All buffers but 3077 * the last buffer have the same length so we can set that now. 3078 * (we add to last_offset instead of multiplying since we normally 3079 * won't go into the loop and thereby saving a ourselves from 3080 * doing a multiplication by 0 in the normal case). 3081 */ 3082 IF_DEQUEUE(&sc->tulip_rxq, ms); 3083 for (me = ms; total_len > 0; total_len--) { 3084 me->m_len = TULIP_RX_BUFLEN; 3085 last_offset += TULIP_RX_BUFLEN; 3086 IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3087 me = me->m_next; 3088 } 3089 } 3090 3091 /* 3092 * Now get the size of received packet (minus the CRC). 3093 */ 3094 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3095 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3096 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0 3097 #ifdef BIG_PACKET 3098 || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && 3099 (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT| 3100 TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC| 3101 TULIP_DSTS_RxOVERFLOW)) == 0) 3102 #endif 3103 )) { 3104 me->m_len = total_len - last_offset; 3105 3106 sc->tulip_flags |= TULIP_RXACT; 3107 accept = 1; 3108 } else { 3109 ifp->if_ierrors++; 3110 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3111 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3112 } else { 3113 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3114 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3115 } 3116 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3117 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3118 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3119 } else { 3120 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3121 } 3122 } 3123 } 3124 } 3125 ifp->if_ipackets++; 3126 if (++eop == ri->ri_last) 3127 eop = ri->ri_first; 3128 ri->ri_nextin = eop; 3129 queue_mbuf: 3130 /* 3131 * Either we are priming the TULIP with mbufs (m == NULL) 3132 * or we are about to accept an mbuf for the upper layers 3133 * so we need to allocate an mbuf to replace it. If we 3134 * can't replace it, send up it anyways. This may cause 3135 * us to drop packets in the future but that's better than 3136 * being caught in livelock. 3137 * 3138 * Note that if this packet crossed multiple descriptors 3139 * we don't even try to reallocate all the mbufs here. 3140 * Instead we rely on the test of the beginning of 3141 * the loop to refill for the extra consumed mbufs. 3142 */ 3143 if (accept || ms == NULL) { 3144 struct mbuf *m0; 3145 3146 #if defined(TULIP_COPY_RXDATA) 3147 if (!accept || total_len >= (MHLEN - 2)) 3148 m0 = m_getcl(MB_DONTWAIT, MT_DATA, M_PKTHDR); 3149 else 3150 m0 = m_gethdr(MB_DONTWAIT, MT_DATA); 3151 #else 3152 m0 = m_getcl(MB_DONTWAIT, MT_DATA, M_PKTHDR); 3153 #endif 3154 3155 if (accept 3156 #if defined(TULIP_COPY_RXDATA) 3157 && m0 != NULL 3158 #endif 3159 ) { 3160 #if !defined(TULIP_COPY_RXDATA) 3161 ms->m_pkthdr.len = total_len; 3162 ifp->if_input(ifp, ms); 3163 #else 3164 #ifdef BIG_PACKET 3165 #error BIG_PACKET is incompatible with TULIP_COPY_RXDATA 3166 #endif 3167 m0->m_data += 2; /* align data after header */ 3168 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3169 m0->m_len = m0->m_pkthdr.len = total_len; 3170 m0->m_pkthdr.rcvif = ifp; 3171 ifp->if_input(ifp, m0); 3172 m0 = ms; 3173 #endif /* ! TULIP_COPY_RXDATA */ 3174 } 3175 ms = m0; 3176 } 3177 if (ms == NULL) { 3178 /* 3179 * Couldn't allocate a new buffer. Don't bother 3180 * trying to replenish the receive queue. 3181 */ 3182 fillok = 0; 3183 sc->tulip_flags |= TULIP_RXBUFSLOW; 3184 continue; 3185 } 3186 /* 3187 * Now give the buffer(s) to the TULIP and save in our 3188 * receive queue. 3189 */ 3190 do { 3191 tulip_desc_t * const nextout = ri->ri_nextout; 3192 nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t)); 3193 nextout->d_length1 = TULIP_RX_BUFLEN; 3194 nextout->d_status = TULIP_DSTS_OWNER; 3195 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3196 if (++ri->ri_nextout == ri->ri_last) 3197 ri->ri_nextout = ri->ri_first; 3198 me = ms->m_next; 3199 ms->m_next = NULL; 3200 IF_ENQUEUE(&sc->tulip_rxq, ms); 3201 } while ((ms = me) != NULL); 3202 3203 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3204 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3205 } 3206 } 3207 3208 static int 3209 tulip_tx_intr(tulip_softc_t *sc) 3210 { 3211 tulip_ringinfo_t *ri = &sc->tulip_txinfo; 3212 struct mbuf *m; 3213 int xmits = 0; 3214 int descs = 0; 3215 3216 while (ri->ri_free < ri->ri_max) { 3217 uint32_t d_flag; 3218 3219 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3220 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3221 break; 3222 3223 ri->ri_free++; 3224 descs++; 3225 d_flag = ri->ri_nextin->d_flag; 3226 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3227 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3228 /* 3229 * We've just finished processing a setup packet. 3230 * Mark that we finished it. If there's not 3231 * another pending, startup the TULIP receiver. 3232 * Make sure we ack the RXSTOPPED so we won't get 3233 * an abormal interrupt indication. 3234 */ 3235 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3236 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3237 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3238 sc->tulip_flags |= TULIP_HASHONLY; 3239 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3240 tulip_rx_intr(sc); 3241 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3242 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3243 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3244 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3245 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3246 } 3247 } else { 3248 const uint32_t d_status = ri->ri_nextin->d_status; 3249 IF_DEQUEUE(&sc->tulip_txq, m); 3250 if (m != NULL) { 3251 m_freem(m); 3252 } 3253 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3254 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3255 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3256 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3257 } 3258 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3259 /* 3260 * Escape from the loop before media poll has reset the TULIP! 3261 */ 3262 break; 3263 } else { 3264 xmits++; 3265 if (d_status & TULIP_DSTS_ERRSUM) { 3266 sc->tulip_if.if_oerrors++; 3267 if (d_status & TULIP_DSTS_TxEXCCOLL) 3268 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3269 if (d_status & TULIP_DSTS_TxLATECOLL) 3270 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3271 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3272 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3273 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3274 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3275 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3276 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3277 if (d_status & TULIP_DSTS_TxBABBLE) 3278 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3279 } else { 3280 u_int32_t collisions = 3281 (d_status & TULIP_DSTS_TxCOLLMASK) 3282 >> TULIP_DSTS_V_TxCOLLCNT; 3283 sc->tulip_if.if_collisions += collisions; 3284 if (collisions == 1) 3285 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3286 else if (collisions > 1) 3287 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3288 else if (d_status & TULIP_DSTS_TxDEFERRED) 3289 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3290 /* 3291 * SQE is only valid for 10baseT/BNC/AUI when not 3292 * running in full-duplex. In order to speed up the 3293 * test, the corresponding bit in tulip_flags needs to 3294 * set as well to get us to count SQE Test Errors. 3295 */ 3296 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3297 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3298 } 3299 } 3300 } 3301 } 3302 3303 if (++ri->ri_nextin == ri->ri_last) 3304 ri->ri_nextin = ri->ri_first; 3305 3306 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3307 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3308 } 3309 /* 3310 * If nothing left to transmit, disable the timer. 3311 * Else if progress, reset the timer back to 2 ticks. 3312 */ 3313 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3314 sc->tulip_txtimer = 0; 3315 else if (xmits > 0) 3316 sc->tulip_txtimer = TULIP_TXTIMER; 3317 sc->tulip_if.if_opackets += xmits; 3318 return descs; 3319 } 3320 3321 static void 3322 tulip_print_abnormal_interrupt(tulip_softc_t *sc, uint32_t csr) 3323 { 3324 const char * const *msgp = tulip_status_bits; 3325 const char *sep; 3326 uint32_t mask; 3327 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3328 3329 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3330 if_printf(&sc->tulip_if, "abnormal interrupt:"); 3331 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3332 if ((csr & mask) && *msgp != NULL) { 3333 kprintf("%s%s", sep, *msgp); 3334 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3335 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3336 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3337 kprintf(" (switching to store-and-forward mode)"); 3338 } else { 3339 kprintf(" (raising TX threshold to %s)", 3340 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3341 } 3342 } 3343 sep = ", "; 3344 } 3345 } 3346 kprintf("\n"); 3347 } 3348 3349 static void 3350 tulip_intr_handler(tulip_softc_t *sc) 3351 { 3352 uint32_t csr; 3353 3354 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3355 TULIP_CSR_WRITE(sc, csr_status, csr); 3356 3357 if (csr & TULIP_STS_SYSERROR) { 3358 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3359 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3360 sc->tulip_flags |= TULIP_SYSTEMERROR; 3361 } else { 3362 if_printf(&sc->tulip_if, "system error: %s\n", 3363 tulip_system_errors[sc->tulip_last_system_error]); 3364 } 3365 sc->tulip_flags |= TULIP_NEEDRESET; 3366 sc->tulip_system_errors++; 3367 break; 3368 } 3369 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3370 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3371 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3372 ? TULIP_MEDIAPOLL_LINKFAIL 3373 : TULIP_MEDIAPOLL_LINKPASS); 3374 csr &= ~TULIP_STS_ABNRMLINTR; 3375 } 3376 tulip_media_print(sc); 3377 } 3378 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3379 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3380 if (csr & TULIP_STS_RXNOBUF) 3381 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3382 /* 3383 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3384 * on receive overflows. 3385 */ 3386 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3387 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3388 /* 3389 * Stop the receiver process and spin until it's stopped. 3390 * Tell rx_intr to drop the packets it dequeues. 3391 */ 3392 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3393 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3394 ; 3395 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3396 sc->tulip_flags |= TULIP_RXIGNORE; 3397 } 3398 tulip_rx_intr(sc); 3399 if (sc->tulip_flags & TULIP_RXIGNORE) { 3400 /* 3401 * Restart the receiver. 3402 */ 3403 sc->tulip_flags &= ~TULIP_RXIGNORE; 3404 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3405 } 3406 } 3407 if (csr & TULIP_STS_ABNRMLINTR) { 3408 u_int32_t tmp = csr & sc->tulip_intrmask 3409 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3410 if (csr & TULIP_STS_TXUNDERFLOW) { 3411 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3412 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3413 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3414 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3415 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3416 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3417 } 3418 } 3419 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3420 sc->tulip_statusbits |= tmp; 3421 } else { 3422 tulip_print_abnormal_interrupt(sc, tmp); 3423 sc->tulip_flags |= TULIP_NOMESSAGES; 3424 } 3425 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3426 } 3427 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3428 tulip_tx_intr(sc); 3429 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3430 if_devstart(&sc->tulip_if); 3431 } 3432 } 3433 if (sc->tulip_flags & TULIP_NEEDRESET) { 3434 tulip_reset(sc); 3435 tulip_init(sc); 3436 } 3437 } 3438 3439 static void 3440 tulip_intr_shared(void *arg) 3441 { 3442 tulip_softc_t *sc; 3443 3444 for (sc = arg; sc != NULL; sc = sc->tulip_slaves) 3445 tulip_intr_handler(sc); 3446 } 3447 3448 static void 3449 tulip_intr_normal(void *arg) 3450 { 3451 tulip_softc_t *sc = (tulip_softc_t *)arg; 3452 3453 tulip_intr_handler(sc); 3454 } 3455 3456 static struct mbuf * 3457 tulip_txput(tulip_softc_t *sc, struct mbuf *m) 3458 { 3459 tulip_ringinfo_t *ri = &sc->tulip_txinfo; 3460 tulip_desc_t *eop, *nextout; 3461 int segcnt, free; 3462 uint32_t d_status; 3463 struct mbuf *m0; 3464 3465 /* 3466 * Now we try to fill in our transmit descriptors. This is 3467 * a bit reminiscent of going on the Ark two by two 3468 * since each descriptor for the TULIP can describe 3469 * two buffers. So we advance through packet filling 3470 * each of the two entries at a time to to fill each 3471 * descriptor. Clear the first and last segment bits 3472 * in each descriptor (actually just clear everything 3473 * but the end-of-ring or chain bits) to make sure 3474 * we don't get messed up by previously sent packets. 3475 * 3476 * We may fail to put the entire packet on the ring if 3477 * there is either not enough ring entries free or if the 3478 * packet has more than MAX_TXSEG segments. In the former 3479 * case we will just wait for the ring to empty. In the 3480 * latter case we have to recopy. 3481 */ 3482 again: 3483 m0 = m; 3484 d_status = 0; 3485 eop = nextout = ri->ri_nextout; 3486 segcnt = 0; 3487 free = ri->ri_free; 3488 3489 do { 3490 int len = m0->m_len; 3491 caddr_t addr = mtod(m0, caddr_t); 3492 unsigned clsize = PAGE_SIZE - (((uintptr_t) addr) & (PAGE_SIZE-1)); 3493 3494 while (len > 0) { 3495 unsigned slen = min(len, clsize); 3496 #ifdef BIG_PACKET 3497 int partial = 0; 3498 if (slen >= 2048) 3499 slen = 2040, partial = 1; 3500 #endif 3501 segcnt++; 3502 if (segcnt > TULIP_MAX_TXSEG) { 3503 /* 3504 * The packet exceeds the number of transmit buffer 3505 * entries that we can use for one packet, so we have 3506 * recopy it into one mbuf and then try again. 3507 */ 3508 m0 = m_defrag(m, MB_DONTWAIT); 3509 if (m0 == NULL) 3510 goto finish; 3511 m = m0; 3512 goto again; 3513 } 3514 if (segcnt & 1) { 3515 if (--free == 0) { 3516 /* 3517 * See if there's any unclaimed space in the 3518 * transmit ring. 3519 */ 3520 if ((free += tulip_tx_intr(sc)) == 0) { 3521 /* 3522 * There's no more room but since nothing 3523 * has been committed at this point, just 3524 * show output is active, put back the 3525 * mbuf and return. 3526 */ 3527 sc->tulip_flags |= TULIP_WANTTXSTART; 3528 goto finish; 3529 } 3530 } 3531 eop = nextout; 3532 if (++nextout == ri->ri_last) 3533 nextout = ri->ri_first; 3534 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3535 eop->d_status = d_status; 3536 eop->d_addr1 = TULIP_KVATOPHYS(sc, addr); 3537 eop->d_length1 = slen; 3538 } else { 3539 /* 3540 * Fill in second half of descriptor 3541 */ 3542 eop->d_addr2 = TULIP_KVATOPHYS(sc, addr); 3543 eop->d_length2 = slen; 3544 } 3545 d_status = TULIP_DSTS_OWNER; 3546 len -= slen; 3547 addr += slen; 3548 #ifdef BIG_PACKET 3549 if (partial) 3550 continue; 3551 #endif 3552 clsize = PAGE_SIZE; 3553 } 3554 } while ((m0 = m0->m_next) != NULL); 3555 3556 BPF_MTAP(&sc->tulip_if, m); 3557 3558 /* 3559 * The descriptors have been filled in. Now get ready 3560 * to transmit. 3561 */ 3562 IF_ENQUEUE(&sc->tulip_txq, m); 3563 m = NULL; 3564 3565 /* 3566 * Make sure the next descriptor after this packet is owned 3567 * by us since it may have been set up above if we ran out 3568 * of room in the ring. 3569 */ 3570 nextout->d_status = 0; 3571 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 3572 3573 /* 3574 * If we only used the first segment of the last descriptor, 3575 * make sure the second segment will not be used. 3576 */ 3577 if (segcnt & 1) { 3578 eop->d_addr2 = 0; 3579 eop->d_length2 = 0; 3580 } 3581 3582 /* 3583 * Mark the last and first segments, indicate we want a transmit 3584 * complete interrupt, and tell it to transmit! 3585 */ 3586 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 3587 3588 /* 3589 * Note that ri->ri_nextout is still the start of the packet 3590 * and until we set the OWNER bit, we can still back out of 3591 * everything we have done. 3592 */ 3593 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 3594 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 3595 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 3596 3597 /* 3598 * This advances the ring for us. 3599 */ 3600 ri->ri_nextout = nextout; 3601 ri->ri_free = free; 3602 3603 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3604 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3605 sc->tulip_if.if_flags |= IFF_OACTIVE; 3606 sc->tulip_if.if_start = tulip_ifstart; 3607 return NULL; 3608 } 3609 3610 /* 3611 * switch back to the single queueing ifstart. 3612 */ 3613 sc->tulip_flags &= ~TULIP_WANTTXSTART; 3614 if (sc->tulip_txtimer == 0) 3615 sc->tulip_txtimer = TULIP_TXTIMER; 3616 3617 /* 3618 * If we want a txstart, there must be not enough space in the 3619 * transmit ring. So we want to enable transmit done interrupts 3620 * so we can immediately reclaim some space. When the transmit 3621 * interrupt is posted, the interrupt handler will call tx_intr 3622 * to reclaim space and then txstart (since WANTTXSTART is set). 3623 * txstart will move the packet into the transmit ring and clear 3624 * WANTTXSTART thereby causing TXINTR to be cleared. 3625 */ 3626 finish: 3627 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 3628 sc->tulip_if.if_flags |= IFF_OACTIVE; 3629 sc->tulip_if.if_start = tulip_ifstart; 3630 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 3631 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3632 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3633 } 3634 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 3635 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 3636 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 3637 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3638 } 3639 } 3640 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3641 return m; 3642 } 3643 3644 static void 3645 tulip_txput_setup(tulip_softc_t *sc) 3646 { 3647 tulip_ringinfo_t *ri = &sc->tulip_txinfo; 3648 tulip_desc_t *nextout; 3649 3650 /* 3651 * We will transmit, at most, one setup packet per call to ifstart. 3652 */ 3653 3654 /* 3655 * Try to reclaim some free descriptors.. 3656 */ 3657 if (ri->ri_free < 2) 3658 tulip_tx_intr(sc); 3659 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 3660 sc->tulip_flags |= TULIP_WANTTXSTART; 3661 sc->tulip_if.if_start = tulip_ifstart; 3662 return; 3663 } 3664 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 3665 sizeof(sc->tulip_setupbuf)); 3666 /* 3667 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 3668 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 3669 */ 3670 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 3671 ri->ri_free--; 3672 nextout = ri->ri_nextout; 3673 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3674 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 3675 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 3676 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 3677 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 3678 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 3679 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 3680 3681 nextout->d_length2 = 0; 3682 nextout->d_addr2 = 0; 3683 nextout->d_length1 = sizeof(sc->tulip_setupbuf); 3684 nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf); 3685 3686 /* 3687 * Advance the ring for the next transmit packet. 3688 */ 3689 if (++ri->ri_nextout == ri->ri_last) 3690 ri->ri_nextout = ri->ri_first; 3691 3692 /* 3693 * Make sure the next descriptor is owned by us since it 3694 * may have been set up above if we ran out of room in the 3695 * ring. 3696 */ 3697 ri->ri_nextout->d_status = 0; 3698 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 3699 nextout->d_status = TULIP_DSTS_OWNER; 3700 /* 3701 * Flush the ownwership of the current descriptor 3702 */ 3703 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 3704 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3705 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 3706 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3707 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3708 } 3709 } 3710 3711 static int 3712 tulip_ifioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred * cr) 3713 { 3714 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 3715 struct ifaddr *ifa = (struct ifaddr *)data; 3716 struct ifreq *ifr = (struct ifreq *)data; 3717 int error = 0; 3718 3719 switch (cmd) { 3720 case SIOCSIFADDR: { 3721 ifp->if_flags |= IFF_UP; 3722 switch(ifa->ifa_addr->sa_family) { 3723 #ifdef INET 3724 case AF_INET: { 3725 tulip_init(sc); 3726 arp_ifinit(&(sc)->tulip_ac.ac_if, ifa); 3727 break; 3728 } 3729 #endif /* INET */ 3730 3731 #ifdef IPX 3732 case AF_IPX: { 3733 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 3734 if (ipx_nullhost(*ina)) { 3735 ina->x_host = *(union ipx_host *)(sc->tulip_enaddr); 3736 } else { 3737 ifp->if_flags &= ~IFF_RUNNING; 3738 bcopy((caddr_t)ina->x_host.c_host, 3739 (caddr_t)sc->tulip_enaddr, 3740 sizeof(sc->tulip_enaddr)); 3741 } 3742 tulip_init(sc); 3743 break; 3744 } 3745 #endif /* IPX */ 3746 3747 #ifdef NS 3748 /* 3749 * This magic copied from if_is.c; I don't use XNS, 3750 * so I have no way of telling if this actually 3751 * works or not. 3752 */ 3753 case AF_NS: { 3754 struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr); 3755 if (ns_nullhost(*ina)) { 3756 ina->x_host = *(union ns_host *)(sc->tulip_enaddr); 3757 } else { 3758 ifp->if_flags &= ~IFF_RUNNING; 3759 bcopy((caddr_t)ina->x_host.c_host, 3760 (caddr_t)sc->tulip_enaddr, 3761 sizeof(sc->tulip_enaddr)); 3762 } 3763 tulip_init(sc); 3764 break; 3765 } 3766 #endif /* NS */ 3767 3768 default: { 3769 tulip_init(sc); 3770 break; 3771 } 3772 } 3773 break; 3774 } 3775 case SIOCGIFADDR: { 3776 bcopy((caddr_t) sc->tulip_enaddr, 3777 (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data, 3778 6); 3779 break; 3780 } 3781 3782 case SIOCSIFFLAGS: { 3783 tulip_addr_filter(sc); /* reinit multicast filter */ 3784 tulip_init(sc); 3785 break; 3786 } 3787 3788 case SIOCSIFMEDIA: 3789 case SIOCGIFMEDIA: { 3790 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 3791 break; 3792 } 3793 3794 case SIOCADDMULTI: 3795 case SIOCDELMULTI: { 3796 /* 3797 * Update multicast listeners 3798 */ 3799 tulip_addr_filter(sc); /* reset multicast filtering */ 3800 tulip_init(sc); 3801 error = 0; 3802 break; 3803 } 3804 3805 case SIOCSIFMTU: 3806 /* 3807 * Set the interface MTU. 3808 */ 3809 if (ifr->ifr_mtu > ETHERMTU 3810 #ifdef BIG_PACKET 3811 && sc->tulip_chipid != TULIP_21140 3812 && sc->tulip_chipid != TULIP_21140A 3813 && sc->tulip_chipid != TULIP_21041 3814 #endif 3815 ) { 3816 error = EINVAL; 3817 break; 3818 } 3819 ifp->if_mtu = ifr->ifr_mtu; 3820 #ifdef BIG_PACKET 3821 tulip_reset(sc); 3822 tulip_init(sc); 3823 #endif 3824 break; 3825 3826 #ifdef SIOCGADDRROM 3827 case SIOCGADDRROM: { 3828 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 3829 break; 3830 } 3831 #endif 3832 #ifdef SIOCGCHIPID 3833 case SIOCGCHIPID: { 3834 ifr->ifr_metric = (int) sc->tulip_chipid; 3835 break; 3836 } 3837 #endif 3838 default: { 3839 error = EINVAL; 3840 break; 3841 } 3842 } 3843 return error; 3844 } 3845 3846 static void 3847 tulip_ifstart(struct ifnet *ifp) 3848 { 3849 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 3850 3851 if (sc->tulip_if.if_flags & IFF_RUNNING) { 3852 3853 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3854 tulip_txput_setup(sc); 3855 3856 while (sc->tulip_if.if_snd.ifq_head != NULL) { 3857 struct mbuf *m; 3858 3859 ALTQ_LOCK(&sc->tulip_if.if_snd); 3860 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 3861 ALTQ_UNLOCK(&sc->tulip_if.if_snd); 3862 3863 if ((m = tulip_txput(sc, m)) != NULL) { 3864 ALTQ_LOCK(&sc->tulip_if.if_snd); 3865 IF_PREPEND(&sc->tulip_if.if_snd, m); 3866 ALTQ_UNLOCK(&sc->tulip_if.if_snd); 3867 break; 3868 } 3869 } 3870 } 3871 } 3872 3873 static void 3874 tulip_ifwatchdog(struct ifnet *ifp) 3875 { 3876 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 3877 3878 sc->tulip_if.if_timer = 1; 3879 /* 3880 * These should be rare so do a bulk test up front so we can just skip 3881 * them if needed. 3882 */ 3883 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 3884 /* 3885 * If the number of receive buffer is low, try to refill 3886 */ 3887 if (sc->tulip_flags & TULIP_RXBUFSLOW) 3888 tulip_rx_intr(sc); 3889 3890 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 3891 if_printf(ifp, "%d system errors: last was %s\n", 3892 sc->tulip_system_errors, 3893 tulip_system_errors[sc->tulip_last_system_error]); 3894 } 3895 if (sc->tulip_statusbits) { 3896 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 3897 sc->tulip_statusbits = 0; 3898 } 3899 3900 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 3901 } 3902 3903 if (sc->tulip_txtimer) 3904 tulip_tx_intr(sc); 3905 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 3906 if_printf(ifp, "transmission timeout\n"); 3907 if (TULIP_DO_AUTOSENSE(sc)) { 3908 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 3909 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 3910 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 3911 } 3912 tulip_reset(sc); 3913 tulip_init(sc); 3914 } 3915 } 3916 3917 static void 3918 tulip_attach(tulip_softc_t *sc) 3919 { 3920 struct ifnet *ifp = &sc->tulip_if; 3921 3922 callout_init(&sc->tulip_timer); 3923 callout_init(&sc->tulip_fast_timer); 3924 3925 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST; 3926 ifp->if_ioctl = tulip_ifioctl; 3927 ifp->if_start = tulip_ifstart; 3928 ifp->if_watchdog = tulip_ifwatchdog; 3929 ifp->if_timer = 1; 3930 3931 if_printf(ifp, "%s%s pass %d.%d%s\n", 3932 sc->tulip_boardid, 3933 tulip_chipdescs[sc->tulip_chipid], 3934 (sc->tulip_revinfo & 0xF0) >> 4, 3935 sc->tulip_revinfo & 0x0F, 3936 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 3937 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 3938 3939 (*sc->tulip_boardsw->bd_media_probe)(sc); 3940 ifmedia_init(&sc->tulip_ifmedia, 0, 3941 tulip_ifmedia_change, 3942 tulip_ifmedia_status); 3943 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 3944 tulip_ifmedia_add(sc); 3945 3946 tulip_reset(sc); 3947 3948 ether_ifattach(&(sc)->tulip_if, sc->tulip_enaddr, NULL); 3949 ifp->if_snd.ifq_maxlen = ifqmaxlen; 3950 } 3951 3952 static void 3953 tulip_detach(tulip_softc_t *sc) 3954 { 3955 ifmedia_removeall(&sc->tulip_ifmedia); 3956 ether_ifdetach(&sc->tulip_if); 3957 } 3958 3959 static void 3960 tulip_initcsrs(tulip_softc_t *sc, tulip_csrptr_t csr_base, size_t csr_size) 3961 { 3962 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 3963 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 3964 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 3965 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 3966 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 3967 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 3968 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 3969 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 3970 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 3971 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 3972 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 3973 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 3974 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 3975 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 3976 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 3977 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 3978 } 3979 3980 static void 3981 tulip_initring(tulip_softc_t *sc, tulip_ringinfo_t *ri, tulip_desc_t *descs, 3982 int ndescs) 3983 { 3984 ri->ri_max = ndescs; 3985 ri->ri_first = descs; 3986 ri->ri_last = ri->ri_first + ri->ri_max; 3987 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 3988 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 3989 } 3990 3991 /* 3992 * This is the PCI configuration support. 3993 */ 3994 3995 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 3996 #define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 3997 #define PCI_CFDA 0x40 /* Configuration Driver Area */ 3998 3999 static int 4000 tulip_pci_probe(device_t dev) 4001 { 4002 const char *name = NULL; 4003 4004 if (pci_get_vendor(dev) != DEC_VENDORID) 4005 return ENXIO; 4006 4007 /* 4008 * Some LanMedia WAN cards use the Tulip chip, but they have 4009 * their own driver, and we should not recognize them 4010 */ 4011 if (pci_get_subvendor(dev) == 0x1376) 4012 return ENXIO; 4013 4014 switch (pci_get_device(dev)) { 4015 case CHIPID_21040: 4016 name = "Digital 21040 Ethernet"; 4017 break; 4018 case CHIPID_21041: 4019 name = "Digital 21041 Ethernet"; 4020 break; 4021 case CHIPID_21140: 4022 if (pci_get_revid(dev) >= 0x20) 4023 name = "Digital 21140A Fast Ethernet"; 4024 else 4025 name = "Digital 21140 Fast Ethernet"; 4026 break; 4027 case CHIPID_21142: 4028 if (pci_get_revid(dev) >= 0x20) 4029 name = "Digital 21143 Fast Ethernet"; 4030 else 4031 name = "Digital 21142 Fast Ethernet"; 4032 break; 4033 } 4034 if (name) { 4035 device_set_desc(dev, name); 4036 return -200; 4037 } 4038 return ENXIO; 4039 } 4040 4041 static int 4042 tulip_shutdown(device_t dev) 4043 { 4044 tulip_softc_t *sc = device_get_softc(dev); 4045 4046 lwkt_serialize_enter(sc->tulip_if.if_serializer); 4047 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4048 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 4049 33MHz that comes to two microseconds but wait a 4050 bit longer anyways) */ 4051 lwkt_serialize_exit(sc->tulip_if.if_serializer); 4052 return 0; 4053 } 4054 4055 static int 4056 tulip_pci_attach(device_t dev) 4057 { 4058 tulip_softc_t *sc; 4059 int retval, idx; 4060 uint32_t revinfo, cfdainfo, cfcsinfo; 4061 u_int csroffset = TULIP_PCI_CSROFFSET; 4062 u_int csrsize = TULIP_PCI_CSRSIZE; 4063 tulip_csrptr_t csr_base; 4064 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 4065 struct resource *res; 4066 int rid; 4067 4068 if (device_get_unit(dev) >= TULIP_MAX_DEVICES) { 4069 device_printf(dev, "not configured; limit of %d reached or exceeded\n", 4070 TULIP_MAX_DEVICES); 4071 return ENXIO; 4072 } 4073 4074 revinfo = pci_get_revid(dev); 4075 cfdainfo = pci_read_config(dev, PCI_CFDA, 4); 4076 cfcsinfo = pci_read_config(dev, PCIR_COMMAND, 4); 4077 4078 /* turn busmaster on in case BIOS doesn't set it */ 4079 pci_enable_busmaster(dev); 4080 4081 if (pci_get_vendor(dev) == DEC_VENDORID) { 4082 if (pci_get_device(dev) == CHIPID_21040) 4083 chipid = TULIP_21040; 4084 else if (pci_get_device(dev) == CHIPID_21041) 4085 chipid = TULIP_21041; 4086 else if (pci_get_device(dev) == CHIPID_21140) 4087 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 4088 else if (pci_get_device(dev) == CHIPID_21142) 4089 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 4090 } 4091 if (chipid == TULIP_CHIPID_UNKNOWN) 4092 return ENXIO; 4093 4094 if (chipid == TULIP_21040 && revinfo < 0x20) { 4095 device_printf(dev, "not configured; 21040 pass 2.0 required (%d.%d found)\n", 4096 revinfo >> 4, revinfo & 0x0f); 4097 return ENXIO; 4098 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 4099 device_printf(dev, "not configured; 21140 pass 1.1 required (%d.%d found)\n", 4100 revinfo >> 4, revinfo & 0x0f); 4101 return ENXIO; 4102 } 4103 4104 sc = device_get_softc(dev); 4105 sc->tulip_dev = dev; 4106 sc->tulip_pci_busno = pci_get_bus(dev); 4107 sc->tulip_pci_devno = pci_get_slot(dev); 4108 sc->tulip_chipid = chipid; 4109 sc->tulip_flags |= TULIP_DEVICEPROBE; 4110 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 4111 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 4112 if (chipid == TULIP_21140A && revinfo <= 0x22) 4113 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 4114 if (chipid == TULIP_21140) 4115 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 4116 if (chipid != TULIP_21040 && chipid != TULIP_21140) 4117 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 4118 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 4119 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 4120 if (chipid != TULIP_21041 || revinfo >= 0x20) 4121 sc->tulip_features |= TULIP_HAVE_SIANWAY; 4122 if (chipid != TULIP_21041) 4123 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 4124 if (chipid != TULIP_21041 && revinfo >= 0x20) 4125 sc->tulip_features |= TULIP_HAVE_SIA100; 4126 } 4127 4128 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 4129 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 4130 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 4131 pci_write_config(dev, PCI_CFDA, cfdainfo, 4); 4132 DELAY(11*1000); 4133 } 4134 if_initname(&sc->tulip_if, device_get_name(dev), device_get_unit(dev)); 4135 sc->tulip_revinfo = revinfo; 4136 sc->tulip_if.if_softc = sc; 4137 #if defined(TULIP_IOMAPPED) 4138 rid = PCI_CBIO; 4139 res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 4140 #else 4141 rid = PCI_CBMA; 4142 res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); 4143 #endif 4144 if (!res) 4145 return ENXIO; 4146 sc->tulip_csrs_bst = rman_get_bustag(res); 4147 sc->tulip_csrs_bsh = rman_get_bushandle(res); 4148 csr_base = 0; 4149 4150 tulips[device_get_unit(dev)] = sc; 4151 4152 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 4153 4154 sc->tulip_rxdescs = kmalloc(sizeof(tulip_desc_t) * TULIP_RXDESCS, 4155 M_DEVBUF, M_INTWAIT); 4156 sc->tulip_txdescs = kmalloc(sizeof(tulip_desc_t) * TULIP_TXDESCS, 4157 M_DEVBUF, M_INTWAIT); 4158 4159 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 4160 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 4161 4162 /* 4163 * Make sure there won't be any interrupts or such... 4164 */ 4165 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4166 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 4167 33MHz that comes to two microseconds but wait a 4168 bit longer anyways) */ 4169 4170 if ((retval = tulip_read_macaddr(sc)) < 0) { 4171 device_printf(dev, "can't read ENET ROM (why=%d) (", retval); 4172 for (idx = 0; idx < 32; idx++) 4173 kprintf("%02x", sc->tulip_rombuf[idx]); 4174 kprintf("\n"); 4175 device_printf(dev, "%s%s pass %d.%d\n", 4176 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 4177 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 4178 device_printf(dev, "address unknown\n"); 4179 } else { 4180 void (*intr_rtn)(void *) = tulip_intr_normal; 4181 4182 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 4183 intr_rtn = tulip_intr_shared; 4184 4185 tulip_attach(sc); 4186 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 4187 void *ih; 4188 4189 rid = 0; 4190 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 4191 RF_SHAREABLE | RF_ACTIVE); 4192 if (res == 0 || bus_setup_intr(dev, res, INTR_MPSAFE, 4193 intr_rtn, sc, &ih, 4194 sc->tulip_if.if_serializer)) { 4195 device_printf(dev, "couldn't map interrupt\n"); 4196 tulip_detach(sc); 4197 kfree((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 4198 kfree((caddr_t) sc->tulip_txdescs, M_DEVBUF); 4199 return ENXIO; 4200 } 4201 4202 sc->tulip_if.if_cpuid = ithread_cpuid(rman_get_start(res)); 4203 KKASSERT(sc->tulip_if.if_cpuid >= 0 && 4204 sc->tulip_if.if_cpuid < ncpus); 4205 } 4206 } 4207 return 0; 4208 } 4209 4210 static device_method_t tulip_pci_methods[] = { 4211 /* Device interface */ 4212 DEVMETHOD(device_probe, tulip_pci_probe), 4213 DEVMETHOD(device_attach, tulip_pci_attach), 4214 DEVMETHOD(device_shutdown, tulip_shutdown), 4215 { 0, 0 } 4216 }; 4217 static driver_t tulip_pci_driver = { 4218 "de", 4219 tulip_pci_methods, 4220 sizeof(tulip_softc_t), 4221 }; 4222 static devclass_t tulip_devclass; 4223 4224 DECLARE_DUMMY_MODULE(if_de); 4225 DRIVER_MODULE(if_de, pci, tulip_pci_driver, tulip_devclass, 0, 0); 4226 4227