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 1.29 2005/02/21 20:48:13 joerg 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 <machine/clock.h> 52 #include <machine/bus.h> 53 #include <machine/resource.h> 54 #include <sys/bus.h> 55 #include <sys/rman.h> 56 57 #include "opt_inet.h" 58 #include "opt_ipx.h" 59 60 #include <net/if.h> 61 #include <net/if_media.h> 62 #include <net/if_dl.h> 63 64 #include <net/bpf.h> 65 66 #ifdef INET 67 #include <netinet/in.h> 68 #include <netinet/if_ether.h> 69 #endif 70 71 #ifdef IPX 72 #include <netproto/ipx/ipx.h> 73 #include <netproto/ipx/ipx_if.h> 74 #endif 75 76 #ifdef NS 77 #include <netproto/ns/ns.h> 78 #include <netproto/ns/ns_if.h> 79 #endif 80 81 #include <vm/vm.h> 82 83 #include <net/if_var.h> 84 #include <vm/pmap.h> 85 #include <bus/pci/pcivar.h> 86 #include <bus/pci/pcireg.h> 87 #include <bus/pci/dc21040reg.h> 88 89 /* 90 * Intel CPUs should use I/O mapped access. 91 */ 92 #if defined(__i386__) 93 #define TULIP_IOMAPPED 94 #endif 95 96 #define TULIP_HZ 10 97 98 #include "if_devar.h" 99 100 static tulip_softc_t *tulips[TULIP_MAX_DEVICES]; 101 102 /* 103 * This module supports 104 * the DEC 21040 PCI Ethernet Controller. 105 * the DEC 21041 PCI Ethernet Controller. 106 * the DEC 21140 PCI Fast Ethernet Controller. 107 */ 108 static void tulip_mii_autonegotiate(tulip_softc_t *, u_int); 109 static void tulip_intr_shared(void *); 110 static void tulip_intr_normal(void *); 111 static void tulip_init(tulip_softc_t *); 112 static void tulip_reset(tulip_softc_t *); 113 static void tulip_ifstart(struct ifnet *); 114 static struct mbuf *tulip_txput(tulip_softc_t *, struct mbuf *); 115 static void tulip_txput_setup(tulip_softc_t *); 116 static void tulip_rx_intr(tulip_softc_t *); 117 static void tulip_addr_filter(tulip_softc_t *); 118 static u_int tulip_mii_readreg(tulip_softc_t *, u_int, u_int); 119 static void tulip_mii_writereg(tulip_softc_t *, u_int, u_int, u_int); 120 static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 121 static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t *); 122 static int tulip_srom_decode(tulip_softc_t *); 123 static int tulip_ifmedia_change(struct ifnet *); 124 static void tulip_ifmedia_status(struct ifnet *, struct ifmediareq *); 125 /* static void tulip_21140_map_media(tulip_softc_t *sc); */ 126 127 static void 128 tulip_timeout_callback(void *arg) 129 { 130 tulip_softc_t *sc = arg; 131 int s = splimp(); 132 133 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 134 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 135 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 136 splx(s); 137 } 138 139 static void 140 tulip_timeout(tulip_softc_t *sc) 141 { 142 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 143 return; 144 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 145 callout_reset(&sc->tulip_timer, (hz + TULIP_HZ / 2) / TULIP_HZ, 146 tulip_timeout_callback, sc); 147 } 148 149 static int 150 tulip_txprobe(tulip_softc_t *sc) 151 { 152 struct mbuf *m; 153 /* 154 * 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 printf("%s%d: enabling %s port\n", 341 sc->tulip_name, sc->tulip_unit, 342 tulip_mediums[sc->tulip_media]); 343 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 344 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 345 printf("%s%d: link up\n", sc->tulip_name, sc->tulip_unit); 346 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 347 } 348 } 349 350 #if defined(TULIP_DO_GPR_SENSE) 351 static tulip_media_t 352 tulip_21140_gpr_media_sense(tulip_softc_t *sc) 353 { 354 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 355 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 356 tulip_media_t media; 357 358 /* 359 * If one of the media blocks contained a default media flag, 360 * use that. 361 */ 362 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 363 const tulip_media_info_t *mi; 364 /* 365 * Media is not supported (or is full-duplex). 366 */ 367 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 368 continue; 369 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 370 continue; 371 372 /* 373 * Remember the media is this is the "default" media. 374 */ 375 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 376 maybe_media = media; 377 378 /* 379 * No activity mask? Can't see if it is active if there's no mask. 380 */ 381 if (mi->mi_actmask == 0) 382 continue; 383 384 /* 385 * Does the activity data match? 386 */ 387 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 388 continue; 389 390 /* 391 * It does! If this is the first media we detected, then 392 * remember this media. If isn't the first, then there were 393 * multiple matches which we equate to no match (since we don't 394 * which to select (if any). 395 */ 396 if (last_media == TULIP_MEDIA_UNKNOWN) { 397 last_media = media; 398 } else if (last_media != media) { 399 last_media = TULIP_MEDIA_UNKNOWN; 400 } 401 } 402 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 403 } 404 #endif /* TULIP_DO_GPR_SENSE */ 405 406 static tulip_link_status_t 407 tulip_media_link_monitor(tulip_softc_t *sc) 408 { 409 const tulip_media_info_t *mi = sc->tulip_mediums[sc->tulip_media]; 410 tulip_link_status_t linkup = TULIP_LINK_DOWN; 411 412 if (mi == NULL) { 413 #if defined(DIAGNOSTIC) 414 panic("tulip_media_link_monitor: %s: botch at line %d\n", 415 tulip_mediums[sc->tulip_media],__LINE__); 416 #endif 417 return TULIP_LINK_UNKNOWN; 418 } 419 420 421 /* 422 * Have we seen some packets? If so, the link must be good. 423 */ 424 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 425 sc->tulip_flags &= ~TULIP_RXACT; 426 sc->tulip_probe_timeout = 3000; 427 return TULIP_LINK_UP; 428 } 429 430 sc->tulip_flags &= ~TULIP_RXACT; 431 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 432 u_int32_t status; 433 /* 434 * Read the PHY status register. 435 */ 436 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 437 if (status & PHYSTS_AUTONEG_DONE) { 438 /* 439 * If the PHY has completed autonegotiation, see the if the 440 * remote systems abilities have changed. If so, upgrade or 441 * downgrade as appropriate. 442 */ 443 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 444 abilities = (abilities << 6) & status; 445 if (abilities != sc->tulip_abilities) { 446 if (tulip_mii_map_abilities(sc, abilities)) { 447 tulip_linkup(sc, sc->tulip_probe_media); 448 return TULIP_LINK_UP; 449 } 450 /* 451 * if we had selected media because of autonegotiation, 452 * we need to probe for the new media. 453 */ 454 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 455 if (sc->tulip_flags & TULIP_DIDNWAY) 456 return TULIP_LINK_DOWN; 457 } 458 } 459 /* 460 * The link is now up. If was down, say its back up. 461 */ 462 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 463 linkup = TULIP_LINK_UP; 464 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 465 /* 466 * No activity sensor? Assume all's well. 467 */ 468 if (mi->mi_actmask == 0) 469 return TULIP_LINK_UNKNOWN; 470 /* 471 * Does the activity data match? 472 */ 473 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 474 linkup = TULIP_LINK_UP; 475 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 476 /* 477 * Assume non TP ok for now. 478 */ 479 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 480 return TULIP_LINK_UNKNOWN; 481 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 482 linkup = TULIP_LINK_UP; 483 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 484 return TULIP_LINK_UNKNOWN; 485 } 486 /* 487 * We will wait for 3 seconds until the link goes into suspect mode. 488 */ 489 if (sc->tulip_flags & TULIP_LINKUP) { 490 if (linkup == TULIP_LINK_UP) 491 sc->tulip_probe_timeout = 3000; 492 if (sc->tulip_probe_timeout > 0) 493 return TULIP_LINK_UP; 494 495 sc->tulip_flags &= ~TULIP_LINKUP; 496 printf("%s%d: link down: cable problem?\n", sc->tulip_name, sc->tulip_unit); 497 } 498 return TULIP_LINK_DOWN; 499 } 500 501 static void 502 tulip_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event) 503 { 504 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 505 && event == TULIP_MEDIAPOLL_TIMER) { 506 switch (tulip_media_link_monitor(sc)) { 507 case TULIP_LINK_DOWN: { 508 /* 509 * Link Monitor failed. Probe for new media. 510 */ 511 event = TULIP_MEDIAPOLL_LINKFAIL; 512 break; 513 } 514 case TULIP_LINK_UP: { 515 /* 516 * Check again soon. 517 */ 518 tulip_timeout(sc); 519 return; 520 } 521 case TULIP_LINK_UNKNOWN: { 522 /* 523 * We can't tell so don't bother. 524 */ 525 return; 526 } 527 } 528 } 529 530 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 531 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 532 if (TULIP_DO_AUTOSENSE(sc)) { 533 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 534 if (sc->tulip_if.if_flags & IFF_UP) 535 tulip_reset(sc); /* restart probe */ 536 } 537 return; 538 } 539 } 540 541 if (event == TULIP_MEDIAPOLL_START) { 542 sc->tulip_if.if_flags |= IFF_OACTIVE; 543 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 544 return; 545 sc->tulip_probe_mediamask = 0; 546 sc->tulip_probe_passes = 0; 547 /* 548 * If the SROM contained an explicit media to use, use it. 549 */ 550 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 551 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 552 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 553 /* 554 * connidx is defaulted to a media_unknown type. 555 */ 556 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 557 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 558 tulip_linkup(sc, sc->tulip_probe_media); 559 tulip_timeout(sc); 560 return; 561 } 562 563 if (sc->tulip_features & TULIP_HAVE_GPR) { 564 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 565 sc->tulip_probe_timeout = 2000; 566 } else { 567 sc->tulip_probe_media = TULIP_MEDIA_MAX; 568 sc->tulip_probe_timeout = 0; 569 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 570 } 571 } 572 573 /* 574 * Ignore txprobe failures or spurious callbacks. 575 */ 576 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 577 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 578 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 579 return; 580 } 581 582 /* 583 * If we really transmitted a packet, then that's the media we'll use. 584 */ 585 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 586 if (event == TULIP_MEDIAPOLL_LINKPASS) { 587 /* XXX Check media status just to be sure */ 588 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 589 } 590 tulip_linkup(sc, sc->tulip_probe_media); 591 tulip_timeout(sc); 592 return; 593 } 594 595 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 596 #if defined(TULIP_DO_GPR_SENSE) 597 /* 598 * Check for media via the general purpose register. 599 * 600 * Try to sense the media via the GPR. If the same value 601 * occurs 3 times in a row then just use that. 602 */ 603 if (sc->tulip_probe_timeout > 0) { 604 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 605 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 606 if (new_probe_media == sc->tulip_probe_media) { 607 if (--sc->tulip_probe_count == 0) 608 tulip_linkup(sc, sc->tulip_probe_media); 609 } else { 610 sc->tulip_probe_count = 10; 611 } 612 } 613 sc->tulip_probe_media = new_probe_media; 614 tulip_timeout(sc); 615 return; 616 } 617 #endif /* TULIP_DO_GPR_SENSE */ 618 /* 619 * Brute force. We cycle through each of the media types 620 * and try to transmit a packet. 621 */ 622 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 623 sc->tulip_probe_media = TULIP_MEDIA_MAX; 624 sc->tulip_probe_timeout = 0; 625 tulip_timeout(sc); 626 return; 627 } 628 629 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 630 && (sc->tulip_features & TULIP_HAVE_MII)) { 631 tulip_media_t old_media = sc->tulip_probe_media; 632 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 633 switch (sc->tulip_probe_state) { 634 case TULIP_PROBE_FAILED: 635 case TULIP_PROBE_MEDIATEST: { 636 /* 637 * Try the next media. 638 */ 639 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 640 sc->tulip_probe_timeout = 0; 641 #ifdef notyet 642 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 643 break; 644 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 645 break; 646 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 647 #endif 648 break; 649 } 650 case TULIP_PROBE_PHYAUTONEG: { 651 return; 652 } 653 case TULIP_PROBE_INACTIVE: { 654 /* 655 * Only probe if we autonegotiated a media that hasn't failed. 656 */ 657 sc->tulip_probe_timeout = 0; 658 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 659 sc->tulip_probe_media = old_media; 660 break; 661 } 662 tulip_linkup(sc, sc->tulip_probe_media); 663 tulip_timeout(sc); 664 return; 665 } 666 default: { 667 #if defined(DIAGNOSTIC) 668 panic("tulip_media_poll: botch at line %d\n", __LINE__); 669 #endif 670 break; 671 } 672 } 673 } 674 675 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 676 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 677 return; 678 } 679 680 /* 681 * switch to another media if we tried this one enough. 682 */ 683 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 684 /* 685 * Find the next media type to check for. Full Duplex 686 * types are not allowed. 687 */ 688 do { 689 sc->tulip_probe_media -= 1; 690 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 691 if (++sc->tulip_probe_passes == 3) { 692 printf("%s%d: autosense failed: cable problem?\n", 693 sc->tulip_name, sc->tulip_unit); 694 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 695 sc->tulip_if.if_flags &= ~IFF_RUNNING; 696 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 697 return; 698 } 699 } 700 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 701 sc->tulip_probe_mediamask = 0; 702 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 703 } 704 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 705 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 706 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 707 708 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 709 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 710 sc->tulip_probe.probe_txprobes = 0; 711 tulip_reset(sc); 712 tulip_media_set(sc, sc->tulip_probe_media); 713 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 714 } 715 tulip_timeout(sc); 716 717 /* 718 * If this is hanging off a phy, we know are doing NWAY and we have 719 * forced the phy to a specific speed. Wait for link up before 720 * before sending a packet. 721 */ 722 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 723 case TULIP_MEDIAINFO_MII: { 724 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 725 return; 726 break; 727 } 728 case TULIP_MEDIAINFO_SIA: { 729 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 730 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 731 return; 732 tulip_linkup(sc, sc->tulip_probe_media); 733 #ifdef notyet 734 if (sc->tulip_features & TULIP_HAVE_MII) 735 tulip_timeout(sc); 736 #endif 737 return; 738 } 739 break; 740 } 741 case TULIP_MEDIAINFO_RESET: 742 case TULIP_MEDIAINFO_SYM: 743 case TULIP_MEDIAINFO_NONE: 744 case TULIP_MEDIAINFO_GPR: { 745 break; 746 } 747 } 748 /* 749 * Try to send a packet. 750 */ 751 tulip_txprobe(sc); 752 } 753 754 static void 755 tulip_media_select(tulip_softc_t *sc) 756 { 757 if (sc->tulip_features & TULIP_HAVE_GPR) { 758 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 759 DELAY(10); 760 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 761 } 762 /* 763 * If this board has no media, just return 764 */ 765 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 766 return; 767 768 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 769 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 770 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 771 } else { 772 tulip_media_set(sc, sc->tulip_media); 773 } 774 } 775 776 static void 777 tulip_21040_mediainfo_init(tulip_softc_t *sc, tulip_media_t media) 778 { 779 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 780 |TULIP_CMD_BACKOFFCTR; 781 sc->tulip_if.if_baudrate = 10000000; 782 783 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 784 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 785 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 786 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 787 } 788 789 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 790 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 791 } 792 793 if (media == TULIP_MEDIA_UNKNOWN) { 794 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 795 } 796 } 797 798 static void 799 tulip_21040_media_probe(tulip_softc_t *sc) 800 { 801 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 802 } 803 804 static void 805 tulip_21040_10baset_only_media_probe(tulip_softc_t *sc) 806 { 807 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 808 tulip_media_set(sc, TULIP_MEDIA_10BASET); 809 sc->tulip_media = TULIP_MEDIA_10BASET; 810 } 811 812 static void 813 tulip_21040_10baset_only_media_select(tulip_softc_t *sc) 814 { 815 sc->tulip_flags |= TULIP_LINKUP; 816 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 817 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 818 sc->tulip_flags &= ~TULIP_SQETEST; 819 } else { 820 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 821 sc->tulip_flags |= TULIP_SQETEST; 822 } 823 tulip_media_set(sc, sc->tulip_media); 824 } 825 826 static void 827 tulip_21040_auibnc_only_media_probe(tulip_softc_t *sc) 828 { 829 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 830 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 831 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 832 sc->tulip_media = TULIP_MEDIA_AUIBNC; 833 } 834 835 static void 836 tulip_21040_auibnc_only_media_select(tulip_softc_t *sc) 837 { 838 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 839 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 840 } 841 842 static const tulip_boardsw_t tulip_21040_boardsw = { 843 TULIP_21040_GENERIC, 844 tulip_21040_media_probe, 845 tulip_media_select, 846 tulip_media_poll, 847 }; 848 849 static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 850 TULIP_21040_GENERIC, 851 tulip_21040_10baset_only_media_probe, 852 tulip_21040_10baset_only_media_select, 853 NULL, 854 }; 855 856 static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 857 TULIP_21040_GENERIC, 858 tulip_21040_auibnc_only_media_probe, 859 tulip_21040_auibnc_only_media_select, 860 NULL, 861 }; 862 863 static void 864 tulip_21041_mediainfo_init(tulip_softc_t *sc) 865 { 866 tulip_media_info_t *mi = sc->tulip_mediainfo; 867 868 #ifdef notyet 869 if (sc->tulip_revinfo >= 0x20) { 870 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 871 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 872 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 873 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 874 return; 875 } 876 #endif 877 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 878 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 879 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 880 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 881 } 882 883 static void 884 tulip_21041_media_probe(tulip_softc_t *sc) 885 { 886 sc->tulip_if.if_baudrate = 10000000; 887 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 888 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 889 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 890 tulip_21041_mediainfo_init(sc); 891 } 892 893 static void 894 tulip_21041_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event) 895 { 896 uint32_t sia_status; 897 898 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 899 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 900 || !TULIP_DO_AUTOSENSE(sc)) 901 return; 902 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 903 tulip_reset(sc); /* start probe */ 904 return; 905 } 906 907 /* 908 * If we've been been asked to start a poll or link change interrupt 909 * restart the probe (and reset the tulip to a known state). 910 */ 911 if (event == TULIP_MEDIAPOLL_START) { 912 sc->tulip_if.if_flags |= IFF_OACTIVE; 913 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 914 #ifdef notyet 915 if (sc->tulip_revinfo >= 0x20) { 916 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 917 sc->tulip_flags |= TULIP_DIDNWAY; 918 } 919 #endif 920 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 921 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 922 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 923 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 924 tulip_media_set(sc, TULIP_MEDIA_10BASET); 925 tulip_timeout(sc); 926 return; 927 } 928 929 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 930 return; 931 932 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 933 tulip_linkup(sc, sc->tulip_probe_media); 934 return; 935 } 936 937 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 938 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 939 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 940 if (sc->tulip_revinfo >= 0x20) { 941 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 942 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 943 } 944 /* 945 * If the link has passed LinkPass, 10baseT is the 946 * proper media to use. 947 */ 948 tulip_linkup(sc, sc->tulip_probe_media); 949 return; 950 } 951 952 /* 953 * wait for up to 2.4 seconds for the link to reach pass state. 954 * Only then start scanning the other media for activity. 955 * choose media with receive activity over those without. 956 */ 957 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 958 if (event != TULIP_MEDIAPOLL_TIMER) 959 return; 960 if (sc->tulip_probe_timeout > 0 961 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 962 tulip_timeout(sc); 963 return; 964 } 965 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 966 sc->tulip_flags |= TULIP_WANTRXACT; 967 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 968 sc->tulip_probe_media = TULIP_MEDIA_BNC; 969 } else { 970 sc->tulip_probe_media = TULIP_MEDIA_AUI; 971 } 972 tulip_media_set(sc, sc->tulip_probe_media); 973 tulip_timeout(sc); 974 return; 975 } 976 977 /* 978 * If we failed, clear the txprobe active flag. 979 */ 980 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 981 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 982 983 984 if (event == TULIP_MEDIAPOLL_TIMER) { 985 /* 986 * If we've received something, then that's our link! 987 */ 988 if (sc->tulip_flags & TULIP_RXACT) { 989 tulip_linkup(sc, sc->tulip_probe_media); 990 return; 991 } 992 /* 993 * if no txprobe active 994 */ 995 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 996 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 997 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 998 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 999 tulip_txprobe(sc); 1000 tulip_timeout(sc); 1001 return; 1002 } 1003 /* 1004 * Take 2 passes through before deciding to not 1005 * wait for receive activity. Then take another 1006 * two passes before spitting out a warning. 1007 */ 1008 if (sc->tulip_probe_timeout <= 0) { 1009 if (sc->tulip_flags & TULIP_WANTRXACT) { 1010 sc->tulip_flags &= ~TULIP_WANTRXACT; 1011 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1012 } else { 1013 printf("%s%d: autosense failed: cable problem?\n", 1014 sc->tulip_name, sc->tulip_unit); 1015 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1016 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1017 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1018 return; 1019 } 1020 } 1021 } 1022 } 1023 1024 /* 1025 * Since this media failed to probe, try the other one. 1026 */ 1027 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1028 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1029 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1030 } else { 1031 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1032 } 1033 tulip_media_set(sc, sc->tulip_probe_media); 1034 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1035 tulip_timeout(sc); 1036 } 1037 1038 static const tulip_boardsw_t tulip_21041_boardsw = { 1039 TULIP_21041_GENERIC, 1040 tulip_21041_media_probe, 1041 tulip_media_select, 1042 tulip_21041_media_poll 1043 }; 1044 1045 static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1046 { 0x20005c00, 0, /* 08-00-17 */ 1047 { 1048 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1049 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1050 }, 1051 }, 1052 { 0x0281F400, 0, /* 00-A0-7D */ 1053 { 1054 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1055 { }, /* 100TX */ 1056 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1057 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1058 }, 1059 }, 1060 #if 0 1061 { 0x0015F420, 0, /* 00-A0-7D */ 1062 { 1063 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1064 { }, /* 100TX */ 1065 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1066 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1067 }, 1068 }, 1069 #endif 1070 { 0x0281F400, 0, /* 00-A0-BE */ 1071 { 1072 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1073 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1074 { }, /* 100T4 */ 1075 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1076 }, 1077 }, 1078 { 0 } 1079 }; 1080 1081 static tulip_media_t 1082 tulip_mii_phy_readspecific(tulip_softc_t *sc) 1083 { 1084 const tulip_phy_attr_t *attr; 1085 u_int16_t data; 1086 u_int32_t id; 1087 unsigned idx = 0; 1088 static const tulip_media_t table[] = { 1089 TULIP_MEDIA_UNKNOWN, 1090 TULIP_MEDIA_10BASET, 1091 TULIP_MEDIA_100BASETX, 1092 TULIP_MEDIA_100BASET4, 1093 TULIP_MEDIA_UNKNOWN, 1094 TULIP_MEDIA_10BASET_FD, 1095 TULIP_MEDIA_100BASETX_FD, 1096 TULIP_MEDIA_UNKNOWN 1097 }; 1098 1099 /* 1100 * Don't read phy specific registers if link is not up. 1101 */ 1102 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1103 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1104 return TULIP_MEDIA_UNKNOWN; 1105 1106 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1107 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1108 for (attr = tulip_mii_phy_attrlist;; attr++) { 1109 if (attr->attr_id == 0) 1110 return TULIP_MEDIA_UNKNOWN; 1111 if ((id & ~0x0F) == attr->attr_id) 1112 break; 1113 } 1114 1115 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1116 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_100TX]; 1117 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1118 if ((data & pm->pm_mask) == pm->pm_value) 1119 idx = 2; 1120 } 1121 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1122 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_100T4]; 1123 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1124 if ((data & pm->pm_mask) == pm->pm_value) 1125 idx = 3; 1126 } 1127 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1128 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_10T]; 1129 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1130 if ((data & pm->pm_mask) == pm->pm_value) 1131 idx = 1; 1132 } 1133 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1134 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1135 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1136 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1137 } 1138 return table[idx]; 1139 } 1140 1141 static u_int 1142 tulip_mii_get_phyaddr(tulip_softc_t *sc, u_int offset) 1143 { 1144 u_int phyaddr; 1145 1146 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1147 u_int status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1148 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1149 continue; 1150 if (offset == 0) 1151 return phyaddr; 1152 offset--; 1153 } 1154 if (offset == 0) { 1155 u_int status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1156 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1157 return TULIP_MII_NOPHY; 1158 return 0; 1159 } 1160 return TULIP_MII_NOPHY; 1161 } 1162 1163 static int 1164 tulip_mii_map_abilities(tulip_softc_t *sc, u_int abilities) 1165 { 1166 sc->tulip_abilities = abilities; 1167 if (abilities & PHYSTS_100BASETX_FD) { 1168 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1169 } else if (abilities & PHYSTS_100BASET4) { 1170 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1171 } else if (abilities & PHYSTS_100BASETX) { 1172 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1173 } else if (abilities & PHYSTS_10BASET_FD) { 1174 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1175 } else if (abilities & PHYSTS_10BASET) { 1176 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1177 } else { 1178 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1179 return 0; 1180 } 1181 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1182 return 1; 1183 } 1184 1185 static void 1186 tulip_mii_autonegotiate(tulip_softc_t *sc, u_int phyaddr) 1187 { 1188 switch (sc->tulip_probe_state) { 1189 case TULIP_PROBE_MEDIATEST: 1190 case TULIP_PROBE_INACTIVE: { 1191 sc->tulip_flags |= TULIP_DIDNWAY; 1192 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1193 sc->tulip_probe_timeout = 3000; 1194 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1195 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1196 /* FALL THROUGH */ 1197 } 1198 case TULIP_PROBE_PHYRESET: { 1199 uint32_t status; 1200 uint32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1201 if (data & PHYCTL_RESET) { 1202 if (sc->tulip_probe_timeout > 0) { 1203 tulip_timeout(sc); 1204 return; 1205 } 1206 printf("%s%d(phy%d): error: reset of PHY never completed!\n", 1207 sc->tulip_name, sc->tulip_unit, phyaddr); 1208 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1209 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1210 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1211 return; 1212 } 1213 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1214 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1215 sc->tulip_flags &= ~TULIP_DIDNWAY; 1216 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1217 return; 1218 } 1219 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1220 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1221 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1222 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1223 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1224 sc->tulip_probe_timeout = 3000; 1225 /* FALL THROUGH */ 1226 } 1227 case TULIP_PROBE_PHYAUTONEG: { 1228 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1229 u_int32_t data; 1230 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1231 if (sc->tulip_probe_timeout > 0) { 1232 tulip_timeout(sc); 1233 return; 1234 } 1235 sc->tulip_flags &= ~TULIP_DIDNWAY; 1236 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1237 return; 1238 } 1239 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1240 data = (data << 6) & status; 1241 if (!tulip_mii_map_abilities(sc, data)) 1242 sc->tulip_flags &= ~TULIP_DIDNWAY; 1243 return; 1244 } 1245 default: { 1246 #if defined(DIAGNOSTIC) 1247 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1248 #endif 1249 break; 1250 } 1251 } 1252 } 1253 1254 static void 1255 tulip_2114x_media_preset(tulip_softc_t *sc) 1256 { 1257 const tulip_media_info_t *mi = NULL; 1258 tulip_media_t media = sc->tulip_media; 1259 1260 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1261 media = sc->tulip_media; 1262 else 1263 media = sc->tulip_probe_media; 1264 1265 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1266 sc->tulip_flags &= ~TULIP_SQETEST; 1267 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1268 mi = sc->tulip_mediums[media]; 1269 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1270 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1271 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1272 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1273 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1274 sc->tulip_cmdmode |= mi->mi_cmdmode; 1275 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1276 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1277 } 1278 } 1279 switch (media) { 1280 case TULIP_MEDIA_BNC: 1281 case TULIP_MEDIA_AUI: 1282 case TULIP_MEDIA_10BASET: { 1283 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1284 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1285 sc->tulip_if.if_baudrate = 10000000; 1286 sc->tulip_flags |= TULIP_SQETEST; 1287 break; 1288 } 1289 case TULIP_MEDIA_10BASET_FD: { 1290 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1291 sc->tulip_if.if_baudrate = 10000000; 1292 break; 1293 } 1294 case TULIP_MEDIA_100BASEFX: 1295 case TULIP_MEDIA_100BASET4: 1296 case TULIP_MEDIA_100BASETX: { 1297 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1298 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1299 sc->tulip_if.if_baudrate = 100000000; 1300 break; 1301 } 1302 case TULIP_MEDIA_100BASEFX_FD: 1303 case TULIP_MEDIA_100BASETX_FD: { 1304 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1305 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1306 sc->tulip_if.if_baudrate = 100000000; 1307 break; 1308 } 1309 default: { 1310 break; 1311 } 1312 } 1313 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1314 } 1315 1316 /* 1317 ******************************************************************** 1318 * Start of 21140/21140A support which does not use the MII interface 1319 */ 1320 1321 static void 1322 tulip_null_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event) 1323 { 1324 #if defined(DIAGNOSTIC) 1325 printf("%s%d: botch(media_poll) at line %d\n", 1326 sc->tulip_name, sc->tulip_unit, __LINE__); 1327 #endif 1328 } 1329 1330 static void 1331 tulip_21140_mediainit(tulip_softc_t *sc, tulip_media_info_t *mip, 1332 tulip_media_t media, u_int gpdata, u_int cmdmode) 1333 { 1334 sc->tulip_mediums[media] = mip; 1335 mip->mi_type = TULIP_MEDIAINFO_GPR; 1336 mip->mi_cmdmode = cmdmode; 1337 mip->mi_gpdata = gpdata; 1338 } 1339 1340 static void 1341 tulip_21140_evalboard_media_probe(tulip_softc_t *sc) 1342 { 1343 tulip_media_info_t *mip = sc->tulip_mediainfo; 1344 1345 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1346 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1347 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1348 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1349 TULIP_CSR_WRITE(sc, csr_command, 1350 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1351 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1352 TULIP_CSR_WRITE(sc, csr_command, 1353 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1354 DELAY(1000000); 1355 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1356 sc->tulip_media = TULIP_MEDIA_10BASET; 1357 } else { 1358 sc->tulip_media = TULIP_MEDIA_100BASETX; 1359 } 1360 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1361 TULIP_GP_EB_INIT, 1362 TULIP_CMD_TXTHRSHLDCTL); 1363 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1364 TULIP_GP_EB_INIT, 1365 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1366 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1367 TULIP_GP_EB_INIT, 1368 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1369 |TULIP_CMD_SCRAMBLER); 1370 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1371 TULIP_GP_EB_INIT, 1372 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1373 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1374 } 1375 1376 static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1377 TULIP_21140_DEC_EB, 1378 tulip_21140_evalboard_media_probe, 1379 tulip_media_select, 1380 tulip_null_media_poll, 1381 tulip_2114x_media_preset, 1382 }; 1383 1384 static void 1385 tulip_21140_accton_media_probe(tulip_softc_t *sc) 1386 { 1387 tulip_media_info_t *mip = sc->tulip_mediainfo; 1388 u_int gpdata; 1389 1390 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1391 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1392 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1393 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1394 TULIP_CSR_WRITE(sc, csr_command, 1395 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1396 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1397 TULIP_CSR_WRITE(sc, csr_command, 1398 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1399 DELAY(1000000); 1400 gpdata = TULIP_CSR_READ(sc, csr_gp); 1401 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1402 sc->tulip_media = TULIP_MEDIA_10BASET; 1403 } else { 1404 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1405 sc->tulip_media = TULIP_MEDIA_BNC; 1406 } else { 1407 sc->tulip_media = TULIP_MEDIA_100BASETX; 1408 } 1409 } 1410 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1411 TULIP_GP_EN1207_BNC_INIT, 1412 TULIP_CMD_TXTHRSHLDCTL); 1413 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1414 TULIP_GP_EN1207_UTP_INIT, 1415 TULIP_CMD_TXTHRSHLDCTL); 1416 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1417 TULIP_GP_EN1207_UTP_INIT, 1418 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1419 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1420 TULIP_GP_EN1207_100_INIT, 1421 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1422 |TULIP_CMD_SCRAMBLER); 1423 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1424 TULIP_GP_EN1207_100_INIT, 1425 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1426 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1427 } 1428 1429 static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1430 TULIP_21140_EN1207, 1431 tulip_21140_accton_media_probe, 1432 tulip_media_select, 1433 tulip_null_media_poll, 1434 tulip_2114x_media_preset, 1435 }; 1436 1437 static void 1438 tulip_21140_smc9332_media_probe(tulip_softc_t *sc) 1439 { 1440 tulip_media_info_t *mip = sc->tulip_mediainfo; 1441 int idx, cnt = 0; 1442 1443 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1444 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1445 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1446 33MHz that comes to two microseconds but wait a 1447 bit longer anyways) */ 1448 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1449 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1450 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1451 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1452 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1453 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1454 DELAY(200000); 1455 for (idx = 1000; idx > 0; idx--) { 1456 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1457 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1458 if (++cnt > 100) 1459 break; 1460 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1461 break; 1462 } else { 1463 cnt = 0; 1464 } 1465 DELAY(1000); 1466 } 1467 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1468 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1469 TULIP_GP_SMC_9332_INIT, 1470 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1471 |TULIP_CMD_SCRAMBLER); 1472 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1473 TULIP_GP_SMC_9332_INIT, 1474 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1475 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1476 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1477 TULIP_GP_SMC_9332_INIT, 1478 TULIP_CMD_TXTHRSHLDCTL); 1479 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1480 TULIP_GP_SMC_9332_INIT, 1481 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1482 } 1483 1484 static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1485 TULIP_21140_SMC_9332, 1486 tulip_21140_smc9332_media_probe, 1487 tulip_media_select, 1488 tulip_null_media_poll, 1489 tulip_2114x_media_preset, 1490 }; 1491 1492 static void 1493 tulip_21140_cogent_em100_media_probe(tulip_softc_t *sc) 1494 { 1495 tulip_media_info_t *mip = sc->tulip_mediainfo; 1496 uint32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1497 1498 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1499 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1500 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1501 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1502 1503 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1504 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1505 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1506 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1507 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1508 1509 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1510 TULIP_GP_EM100_INIT, 1511 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1512 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1513 TULIP_GP_EM100_INIT, 1514 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1515 |TULIP_CMD_FULLDUPLEX); 1516 } else { 1517 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1518 sc->tulip_media = TULIP_MEDIA_100BASETX; 1519 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1520 TULIP_GP_EM100_INIT, 1521 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1522 |TULIP_CMD_SCRAMBLER); 1523 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1524 TULIP_GP_EM100_INIT, 1525 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1526 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1527 } 1528 } 1529 1530 static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1531 TULIP_21140_COGENT_EM100, 1532 tulip_21140_cogent_em100_media_probe, 1533 tulip_media_select, 1534 tulip_null_media_poll, 1535 tulip_2114x_media_preset 1536 }; 1537 1538 static void 1539 tulip_21140_znyx_zx34x_media_probe(tulip_softc_t *sc) 1540 { 1541 tulip_media_info_t *mip = sc->tulip_mediainfo; 1542 int cnt10 = 0, cnt100 = 0, idx; 1543 1544 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1545 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1546 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1547 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1548 TULIP_CSR_WRITE(sc, csr_command, 1549 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1550 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1551 TULIP_CSR_WRITE(sc, csr_command, 1552 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1553 1554 DELAY(200000); 1555 for (idx = 1000; idx > 0; idx--) { 1556 uint32_t csr = TULIP_CSR_READ(sc, csr_gp); 1557 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)) { 1558 if (++cnt100 > 100) 1559 break; 1560 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1561 if (++cnt10 > 100) 1562 break; 1563 } else { 1564 cnt10 = 0; 1565 cnt100 = 0; 1566 } 1567 DELAY(1000); 1568 } 1569 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1570 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1571 TULIP_GP_ZX34X_INIT, 1572 TULIP_CMD_TXTHRSHLDCTL); 1573 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1574 TULIP_GP_ZX34X_INIT, 1575 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1576 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1577 TULIP_GP_ZX34X_INIT, 1578 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1579 |TULIP_CMD_SCRAMBLER); 1580 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1581 TULIP_GP_ZX34X_INIT, 1582 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1583 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1584 } 1585 1586 static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1587 TULIP_21140_ZNYX_ZX34X, 1588 tulip_21140_znyx_zx34x_media_probe, 1589 tulip_media_select, 1590 tulip_null_media_poll, 1591 tulip_2114x_media_preset, 1592 }; 1593 1594 static void 1595 tulip_2114x_media_probe(tulip_softc_t *sc) 1596 { 1597 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE | TULIP_CMD_BACKOFFCTR | 1598 TULIP_CMD_THRSHLD72; 1599 } 1600 1601 static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1602 TULIP_21140_ISV, 1603 tulip_2114x_media_probe, 1604 tulip_media_select, 1605 tulip_media_poll, 1606 tulip_2114x_media_preset, 1607 }; 1608 1609 /* 1610 * ******** END of chip-specific handlers. *********** 1611 */ 1612 1613 /* 1614 * Code the read the SROM and MII bit streams (I2C) 1615 */ 1616 #define EMIT do { \ 1617 TULIP_CSR_WRITE(sc, csr_srom_mii, csr); \ 1618 DELAY(1); \ 1619 } while (0) 1620 1621 static void 1622 tulip_srom_idle(tulip_softc_t *sc) 1623 { 1624 u_int bit, csr; 1625 1626 csr = SROMSEL ; EMIT; 1627 csr = SROMSEL | SROMRD; EMIT; 1628 csr ^= SROMCS; EMIT; 1629 csr ^= SROMCLKON; EMIT; 1630 1631 /* 1632 * Write 25 cycles of 0 which will force the SROM to be idle. 1633 */ 1634 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1635 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1636 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1637 } 1638 csr ^= SROMCLKOFF; EMIT; 1639 csr ^= SROMCS; EMIT; 1640 csr = 0; EMIT; 1641 } 1642 1643 1644 static void 1645 tulip_srom_read(tulip_softc_t *sc) 1646 { 1647 const u_int bitwidth = SROM_BITWIDTH; 1648 const u_int cmdmask = (SROMCMD_RD << bitwidth); 1649 const u_int msb = 1 << (bitwidth + 3 - 1); 1650 u_int idx, lastidx = (1 << bitwidth) - 1; 1651 1652 tulip_srom_idle(sc); 1653 1654 for (idx = 0; idx <= lastidx; idx++) { 1655 u_int lastbit, data, bits, bit, csr; 1656 csr = SROMSEL ; EMIT; 1657 csr = SROMSEL | SROMRD; EMIT; 1658 csr ^= SROMCSON; EMIT; 1659 csr ^= SROMCLKON; EMIT; 1660 1661 lastbit = 0; 1662 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1663 u_int thisbit = bits & msb; 1664 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1665 if (thisbit != lastbit) { 1666 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1667 } else { 1668 EMIT; 1669 } 1670 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1671 lastbit = thisbit; 1672 } 1673 csr ^= SROMCLKOFF; EMIT; 1674 1675 for (data = 0, bits = 0; bits < 16; bits++) { 1676 data <<= 1; 1677 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1678 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1679 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1680 } 1681 sc->tulip_rombuf[idx*2] = data & 0xFF; 1682 sc->tulip_rombuf[idx*2+1] = data >> 8; 1683 csr = SROMSEL | SROMRD; EMIT; 1684 csr = 0; EMIT; 1685 } 1686 tulip_srom_idle(sc); 1687 } 1688 1689 #define MII_EMIT do { \ 1690 TULIP_CSR_WRITE(sc, csr_srom_mii, csr); \ 1691 DELAY(1); \ 1692 } while (0) 1693 1694 static void 1695 tulip_mii_writebits(tulip_softc_t *sc, u_int data, u_int bits) 1696 { 1697 u_int csr, msb, lastbit; 1698 1699 msb = 1 << (bits - 1); 1700 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1701 lastbit = (csr & MII_DOUT) ? msb : 0; 1702 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1703 1704 for (; bits > 0; bits--, data <<= 1) { 1705 const unsigned thisbit = data & msb; 1706 if (thisbit != lastbit) { 1707 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1708 } 1709 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1710 lastbit = thisbit; 1711 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1712 } 1713 } 1714 1715 static void 1716 tulip_mii_turnaround(tulip_softc_t *sc, u_int cmd) 1717 { 1718 u_int csr; 1719 1720 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1721 1722 if (cmd == MII_WRCMD) { 1723 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1724 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1725 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1726 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1727 } else { 1728 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1729 } 1730 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1731 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1732 } 1733 1734 static u_int 1735 tulip_mii_readbits(tulip_softc_t *sc) 1736 { 1737 u_int csr, data, idx; 1738 1739 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1740 1741 for (idx = 0, data = 0; idx < 16; idx++) { 1742 data <<= 1; /* this is NOOP on the first pass through */ 1743 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1744 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1745 data |= 1; 1746 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1747 } 1748 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1749 1750 return data; 1751 } 1752 1753 static u_int 1754 tulip_mii_readreg(tulip_softc_t *sc, u_int devaddr, u_int regno) 1755 { 1756 u_int csr; 1757 u_int data; 1758 1759 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1760 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1761 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1762 tulip_mii_writebits(sc, MII_RDCMD, 8); 1763 tulip_mii_writebits(sc, devaddr, 5); 1764 tulip_mii_writebits(sc, regno, 5); 1765 tulip_mii_turnaround(sc, MII_RDCMD); 1766 1767 data = tulip_mii_readbits(sc); 1768 return data; 1769 } 1770 1771 static void 1772 tulip_mii_writereg(tulip_softc_t *sc, u_int devaddr, u_int regno, u_int data) 1773 { 1774 u_int csr; 1775 1776 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1777 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1778 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1779 tulip_mii_writebits(sc, MII_WRCMD, 8); 1780 tulip_mii_writebits(sc, devaddr, 5); 1781 tulip_mii_writebits(sc, regno, 5); 1782 tulip_mii_turnaround(sc, MII_WRCMD); 1783 tulip_mii_writebits(sc, data, 16); 1784 } 1785 1786 #define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF) 1787 #define tulip_srom_crcok(databuf) ( \ 1788 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 1789 ((databuf)[126] | ((databuf)[127] << 8))) 1790 1791 static void 1792 tulip_identify_dec_nic(tulip_softc_t *sc) 1793 { 1794 strcpy(sc->tulip_boardid, "DEC "); 1795 #define D0 4 1796 if (sc->tulip_chipid <= TULIP_21040) 1797 return; 1798 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 1799 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 1800 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 1801 sc->tulip_boardid[D0+8] = ' '; 1802 } 1803 #undef D0 1804 } 1805 1806 static void 1807 tulip_identify_znyx_nic(tulip_softc_t * const sc) 1808 { 1809 u_int id = 0; 1810 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 1811 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 1812 u_int znyx_ptr; 1813 sc->tulip_boardid[8] = '4'; 1814 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 1815 if (znyx_ptr < 26 || znyx_ptr > 116) { 1816 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1817 return; 1818 } 1819 /* ZX344 = 0010 .. 0013FF 1820 */ 1821 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 1822 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 1823 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 1824 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 1825 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 1826 sc->tulip_boardid[9] = '2'; 1827 if (id == TULIP_ZNYX_ID_ZX342B) { 1828 sc->tulip_boardid[10] = 'B'; 1829 sc->tulip_boardid[11] = ' '; 1830 } 1831 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1832 } else if (id == TULIP_ZNYX_ID_ZX344) { 1833 sc->tulip_boardid[10] = '4'; 1834 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1835 } else if (id == TULIP_ZNYX_ID_ZX345) { 1836 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 1837 } else if (id == TULIP_ZNYX_ID_ZX346) { 1838 sc->tulip_boardid[9] = '6'; 1839 } else if (id == TULIP_ZNYX_ID_ZX351) { 1840 sc->tulip_boardid[8] = '5'; 1841 sc->tulip_boardid[9] = '1'; 1842 } 1843 } 1844 if (id == 0) { 1845 /* 1846 * Assume it's a ZX342... 1847 */ 1848 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1849 } 1850 return; 1851 } 1852 sc->tulip_boardid[8] = '1'; 1853 if (sc->tulip_chipid == TULIP_21041) { 1854 sc->tulip_boardid[10] = '1'; 1855 return; 1856 } 1857 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 1858 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 1859 if (id == TULIP_ZNYX_ID_ZX312T) { 1860 sc->tulip_boardid[9] = '2'; 1861 sc->tulip_boardid[10] = 'T'; 1862 sc->tulip_boardid[11] = ' '; 1863 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1864 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 1865 sc->tulip_boardid[9] = '4'; 1866 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1867 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1868 } else if (id == TULIP_ZNYX_ID_ZX314) { 1869 sc->tulip_boardid[9] = '4'; 1870 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1871 sc->tulip_features |= TULIP_HAVE_BASEROM; 1872 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 1873 sc->tulip_boardid[9] = '5'; 1874 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1875 } else if (id == TULIP_ZNYX_ID_ZX315) { 1876 sc->tulip_boardid[9] = '5'; 1877 sc->tulip_features |= TULIP_HAVE_BASEROM; 1878 } else { 1879 id = 0; 1880 } 1881 } 1882 if (id == 0) { 1883 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 1884 sc->tulip_boardid[9] = '4'; 1885 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1886 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1887 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 1888 sc->tulip_boardid[9] = '5'; 1889 sc->tulip_boardsw = &tulip_21040_boardsw; 1890 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1891 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 1892 sc->tulip_boardid[9] = '2'; 1893 sc->tulip_boardsw = &tulip_21040_boardsw; 1894 } 1895 } 1896 } 1897 1898 static void 1899 tulip_identify_smc_nic(tulip_softc_t * const sc) 1900 { 1901 uint32_t id1, id2, ei; 1902 int auibnc = 0, utp = 0; 1903 char *cp; 1904 1905 strcpy(sc->tulip_boardid, "SMC "); 1906 if (sc->tulip_chipid == TULIP_21041) 1907 return; 1908 if (sc->tulip_chipid != TULIP_21040) { 1909 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 1910 strcpy(&sc->tulip_boardid[4], "9332DST "); 1911 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 1912 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 1913 strcpy(&sc->tulip_boardid[4], "9334BDT "); 1914 } else { 1915 strcpy(&sc->tulip_boardid[4], "9332BDT "); 1916 } 1917 return; 1918 } 1919 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 1920 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 1921 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 1922 1923 strcpy(&sc->tulip_boardid[4], "8432"); 1924 cp = &sc->tulip_boardid[8]; 1925 if ((id1 & 1) == 0) 1926 *cp++ = 'B', auibnc = 1; 1927 if ((id1 & 0xFF) > 0x32) 1928 *cp++ = 'T', utp = 1; 1929 if ((id1 & 0x4000) == 0) 1930 *cp++ = 'A', auibnc = 1; 1931 if (id2 == 0x15) { 1932 sc->tulip_boardid[7] = '4'; 1933 *cp++ = '-'; 1934 *cp++ = 'C'; 1935 *cp++ = 'H'; 1936 *cp++ = (ei ? '2' : '1'); 1937 } 1938 *cp++ = ' '; 1939 *cp = '\0'; 1940 if (utp && !auibnc) 1941 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1942 else if (!utp && auibnc) 1943 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 1944 } 1945 1946 static void 1947 tulip_identify_cogent_nic(tulip_softc_t * const sc) 1948 { 1949 strcpy(sc->tulip_boardid, "Cogent "); 1950 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 1951 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 1952 strcat(sc->tulip_boardid, "EM100TX "); 1953 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 1954 #if defined(TULIP_COGENT_EM110TX_ID) 1955 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 1956 strcat(sc->tulip_boardid, "EM110TX "); 1957 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 1958 #endif 1959 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1960 strcat(sc->tulip_boardid, "EM100FX "); 1961 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 1962 } 1963 /* 1964 * Magic number (0x24001109U) is the SubVendor (0x2400) and 1965 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 1966 */ 1967 if (*(uint32_t *) sc->tulip_rombuf == 0x24001109U 1968 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 1969 /* 1970 * Cogent (Adaptec) is still mapping all INTs to INTA of 1971 * first 21140. Dumb! Dumb! 1972 */ 1973 strcat(sc->tulip_boardid, "EM440TX "); 1974 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 1975 } 1976 } else if (sc->tulip_chipid == TULIP_21040) { 1977 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1978 } 1979 } 1980 1981 static void 1982 tulip_identify_accton_nic(tulip_softc_t * const sc) 1983 { 1984 strcpy(sc->tulip_boardid, "ACCTON "); 1985 switch (sc->tulip_chipid) { 1986 case TULIP_21140A: 1987 strcat(sc->tulip_boardid, "EN1207 "); 1988 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 1989 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 1990 break; 1991 case TULIP_21140: 1992 strcat(sc->tulip_boardid, "EN1207TX "); 1993 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 1994 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 1995 break; 1996 case TULIP_21040: 1997 strcat(sc->tulip_boardid, "EN1203 "); 1998 sc->tulip_boardsw = &tulip_21040_boardsw; 1999 break; 2000 case TULIP_21041: 2001 strcat(sc->tulip_boardid, "EN1203 "); 2002 sc->tulip_boardsw = &tulip_21041_boardsw; 2003 break; 2004 default: 2005 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2006 break; 2007 } 2008 } 2009 2010 static void 2011 tulip_identify_asante_nic(tulip_softc_t * const sc) 2012 { 2013 strcpy(sc->tulip_boardid, "Asante "); 2014 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2015 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2016 tulip_media_info_t *mi = sc->tulip_mediainfo; 2017 int idx; 2018 /* 2019 * The Asante Fast Ethernet doesn't always ship with a valid 2020 * new format SROM. So if isn't in the new format, we cheat 2021 * set it up as if we had. 2022 */ 2023 2024 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2025 sc->tulip_gpdata = 0; 2026 2027 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2028 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2029 DELAY(100); 2030 TULIP_CSR_WRITE(sc, csr_gp, 0); 2031 2032 mi->mi_type = TULIP_MEDIAINFO_MII; 2033 mi->mi_gpr_length = 0; 2034 mi->mi_gpr_offset = 0; 2035 mi->mi_reset_length = 0; 2036 mi->mi_reset_offset = 0;; 2037 2038 mi->mi_phyaddr = TULIP_MII_NOPHY; 2039 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2040 DELAY(10000); 2041 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2042 } 2043 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2044 printf("%s%d: can't find phy 0\n", sc->tulip_name, sc->tulip_unit); 2045 return; 2046 } 2047 2048 sc->tulip_features |= TULIP_HAVE_MII; 2049 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2050 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2051 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2052 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2053 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2054 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2055 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2056 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2057 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2058 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2059 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2060 2061 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2062 } 2063 } 2064 2065 static void 2066 tulip_identify_compex_nic(tulip_softc_t *sc) 2067 { 2068 strcpy(sc->tulip_boardid, "COMPEX "); 2069 if (sc->tulip_chipid == TULIP_21140A) { 2070 int root_unit; 2071 tulip_softc_t *root_sc = NULL; 2072 2073 strcat(sc->tulip_boardid, "400TX/PCI "); 2074 /* 2075 * All 4 chips on these boards share an interrupt. This code 2076 * copied from tulip_read_macaddr. 2077 */ 2078 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2079 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2080 root_sc = tulips[root_unit]; 2081 if (root_sc == NULL 2082 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2083 break; 2084 root_sc = NULL; 2085 } 2086 if (root_sc != NULL 2087 && root_sc->tulip_chipid == sc->tulip_chipid 2088 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2089 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2090 sc->tulip_slaves = root_sc->tulip_slaves; 2091 root_sc->tulip_slaves = sc; 2092 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) { 2093 printf("\nCannot find master device for de%d interrupts", 2094 sc->tulip_unit); 2095 } 2096 } else { 2097 strcat(sc->tulip_boardid, "unknown "); 2098 } 2099 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2100 return; 2101 } 2102 2103 static int 2104 tulip_srom_decode(tulip_softc_t *sc) 2105 { 2106 u_int idx1, idx2, idx3; 2107 2108 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2109 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2110 tulip_srom_media_t srom_media; 2111 tulip_media_info_t *mi = sc->tulip_mediainfo; 2112 const uint8_t *dp; 2113 uint32_t leaf_offset, blocks, data; 2114 2115 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2116 if (shp->sh_adapter_count == 1) 2117 break; 2118 if (saip->sai_device == sc->tulip_pci_devno) 2119 break; 2120 } 2121 /* 2122 * Didn't find the right media block for this card. 2123 */ 2124 if (idx1 == shp->sh_adapter_count) 2125 return 0; 2126 2127 /* 2128 * Save the hardware address. 2129 */ 2130 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6); 2131 /* 2132 * If this is a multiple port card, add the adapter index to the last 2133 * byte of the hardware address. (if it isn't multiport, adding 0 2134 * won't hurt. 2135 */ 2136 sc->tulip_enaddr[5] += idx1; 2137 2138 leaf_offset = saip->sai_leaf_offset_lowbyte 2139 + saip->sai_leaf_offset_highbyte * 256; 2140 dp = sc->tulip_rombuf + leaf_offset; 2141 2142 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2143 2144 for (idx2 = 0;; idx2++) { 2145 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2146 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2147 break; 2148 } 2149 sc->tulip_connidx = idx2; 2150 2151 if (sc->tulip_chipid == TULIP_21041) { 2152 blocks = *dp++; 2153 for (idx2 = 0; idx2 < blocks; idx2++) { 2154 tulip_media_t media; 2155 data = *dp++; 2156 srom_media = (tulip_srom_media_t) (data & 0x3F); 2157 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2158 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2159 break; 2160 } 2161 media = tulip_srom_mediums[idx3].sm_type; 2162 if (media != TULIP_MEDIA_UNKNOWN) { 2163 if (data & TULIP_SROM_21041_EXTENDED) { 2164 mi->mi_type = TULIP_MEDIAINFO_SIA; 2165 sc->tulip_mediums[media] = mi; 2166 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2167 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2168 mi->mi_sia_general = dp[4] + dp[5] * 256; 2169 mi++; 2170 } else { 2171 switch (media) { 2172 case TULIP_MEDIA_BNC: { 2173 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2174 mi++; 2175 break; 2176 } 2177 case TULIP_MEDIA_AUI: { 2178 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2179 mi++; 2180 break; 2181 } 2182 case TULIP_MEDIA_10BASET: { 2183 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2184 mi++; 2185 break; 2186 } 2187 case TULIP_MEDIA_10BASET_FD: { 2188 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2189 mi++; 2190 break; 2191 } 2192 default: { 2193 break; 2194 } 2195 } 2196 } 2197 } 2198 if (data & TULIP_SROM_21041_EXTENDED) 2199 dp += 6; 2200 } 2201 #ifdef notdef 2202 if (blocks == 0) { 2203 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2204 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2205 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2206 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2207 } 2208 #endif 2209 } else { 2210 unsigned length, type; 2211 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2212 if (sc->tulip_features & TULIP_HAVE_GPR) 2213 sc->tulip_gpinit = *dp++; 2214 blocks = *dp++; 2215 for (idx2 = 0; idx2 < blocks; idx2++) { 2216 const uint8_t *ep; 2217 if ((*dp & 0x80) == 0) { 2218 length = 4; 2219 type = 0; 2220 } else { 2221 length = (*dp++ & 0x7f) - 1; 2222 type = *dp++ & 0x3f; 2223 } 2224 ep = dp + length; 2225 switch (type & 0x3f) { 2226 case 0: { /* 21140[A] GPR block */ 2227 tulip_media_t media; 2228 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2229 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2230 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2231 break; 2232 } 2233 media = tulip_srom_mediums[idx3].sm_type; 2234 if (media == TULIP_MEDIA_UNKNOWN) 2235 break; 2236 mi->mi_type = TULIP_MEDIAINFO_GPR; 2237 sc->tulip_mediums[media] = mi; 2238 mi->mi_gpdata = dp[1]; 2239 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2240 sc->tulip_gpdata = mi->mi_gpdata; 2241 gp_media = media; 2242 } 2243 data = dp[2] + dp[3] * 256; 2244 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2245 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2246 mi->mi_actmask = 0; 2247 } else { 2248 #if 0 2249 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2250 #endif 2251 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2252 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2253 } 2254 mi++; 2255 break; 2256 } 2257 case 1: { /* 21140[A] MII block */ 2258 const u_int phyno = *dp++; 2259 mi->mi_type = TULIP_MEDIAINFO_MII; 2260 mi->mi_gpr_length = *dp++; 2261 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2262 dp += mi->mi_gpr_length; 2263 mi->mi_reset_length = *dp++; 2264 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2265 dp += mi->mi_reset_length; 2266 2267 /* 2268 * Before we probe for a PHY, use the GPR information 2269 * to select it. If we don't, it may be inaccessible. 2270 */ 2271 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2272 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2273 DELAY(10); 2274 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2275 } 2276 sc->tulip_phyaddr = mi->mi_phyaddr; 2277 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2278 DELAY(10); 2279 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2280 } 2281 2282 /* 2283 * At least write something! 2284 */ 2285 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2286 TULIP_CSR_WRITE(sc, csr_gp, 0); 2287 2288 mi->mi_phyaddr = TULIP_MII_NOPHY; 2289 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2290 DELAY(10000); 2291 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2292 } 2293 if (mi->mi_phyaddr == TULIP_MII_NOPHY) 2294 break; 2295 sc->tulip_features |= TULIP_HAVE_MII; 2296 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2297 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2298 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2299 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2300 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2301 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2302 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2303 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2304 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2305 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2306 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2307 mi++; 2308 break; 2309 } 2310 case 2: { /* 2114[23] SIA block */ 2311 tulip_media_t media; 2312 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2313 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2314 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2315 break; 2316 } 2317 media = tulip_srom_mediums[idx3].sm_type; 2318 if (media == TULIP_MEDIA_UNKNOWN) 2319 break; 2320 mi->mi_type = TULIP_MEDIAINFO_SIA; 2321 sc->tulip_mediums[media] = mi; 2322 if (dp[0] & 0x40) { 2323 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2324 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2325 mi->mi_sia_general = dp[5] + dp[6] * 256; 2326 dp += 6; 2327 } else { 2328 switch (media) { 2329 case TULIP_MEDIA_BNC: { 2330 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2331 break; 2332 } 2333 case TULIP_MEDIA_AUI: { 2334 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2335 break; 2336 } 2337 case TULIP_MEDIA_10BASET: { 2338 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2339 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2340 break; 2341 } 2342 case TULIP_MEDIA_10BASET_FD: { 2343 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2344 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2345 break; 2346 } 2347 default: { 2348 goto bad_media; 2349 } 2350 } 2351 } 2352 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2353 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2354 mi++; 2355 bad_media: 2356 break; 2357 } 2358 case 3: { /* 2114[23] MII PHY block */ 2359 const u_int phyno = *dp++; 2360 const uint8_t *dp0; 2361 mi->mi_type = TULIP_MEDIAINFO_MII; 2362 mi->mi_gpr_length = *dp++; 2363 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2364 dp += 2 * mi->mi_gpr_length; 2365 mi->mi_reset_length = *dp++; 2366 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2367 dp += 2 * mi->mi_reset_length; 2368 2369 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2370 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2371 DELAY(10); 2372 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2373 } 2374 sc->tulip_phyaddr = mi->mi_phyaddr; 2375 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2376 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2377 DELAY(10); 2378 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2379 } 2380 2381 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2382 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2383 2384 mi->mi_phyaddr = TULIP_MII_NOPHY; 2385 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2386 DELAY(10000); 2387 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2388 } 2389 if (mi->mi_phyaddr == TULIP_MII_NOPHY) 2390 break; 2391 sc->tulip_features |= TULIP_HAVE_MII; 2392 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2393 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2394 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2395 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2396 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2397 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2398 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2399 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2400 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2401 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2402 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2403 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2404 mi++; 2405 break; 2406 } 2407 case 4: { /* 21143 SYM block */ 2408 tulip_media_t media; 2409 srom_media = (tulip_srom_media_t) dp[0]; 2410 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2411 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2412 break; 2413 } 2414 media = tulip_srom_mediums[idx3].sm_type; 2415 if (media == TULIP_MEDIA_UNKNOWN) 2416 break; 2417 mi->mi_type = TULIP_MEDIAINFO_SYM; 2418 sc->tulip_mediums[media] = mi; 2419 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2420 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2421 data = dp[5] + dp[6] * 256; 2422 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2423 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2424 mi->mi_actmask = 0; 2425 } else { 2426 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2427 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2428 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2429 } 2430 if (TULIP_IS_MEDIA_TP(media)) 2431 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2432 mi++; 2433 break; 2434 } 2435 #if 0 2436 case 5: { /* 21143 Reset block */ 2437 mi->mi_type = TULIP_MEDIAINFO_RESET; 2438 mi->mi_reset_length = *dp++; 2439 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2440 dp += 2 * mi->mi_reset_length; 2441 mi++; 2442 break; 2443 } 2444 #endif 2445 default: { 2446 } 2447 } 2448 dp = ep; 2449 } 2450 } 2451 return mi - sc->tulip_mediainfo; 2452 } 2453 2454 static const struct { 2455 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2456 unsigned char vendor_oui[3]; 2457 } tulip_vendors[] = { 2458 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2459 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2460 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2461 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2462 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2463 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2464 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2465 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2466 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2467 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2468 { NULL } 2469 }; 2470 2471 /* 2472 * This deals with the vagaries of the address roms and the 2473 * brain-deadness that various vendors commit in using them. 2474 */ 2475 static int 2476 tulip_read_macaddr(tulip_softc_t *sc) 2477 { 2478 u_int cksum, rom_cksum, idx; 2479 uint32_t csr; 2480 unsigned char tmpbuf[8]; 2481 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2482 2483 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2484 2485 if (sc->tulip_chipid == TULIP_21040) { 2486 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2487 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2488 int cnt = 0; 2489 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2490 cnt++; 2491 sc->tulip_rombuf[idx] = csr & 0xFF; 2492 } 2493 sc->tulip_boardsw = &tulip_21040_boardsw; 2494 } else { 2495 if (sc->tulip_chipid == TULIP_21041) { 2496 /* 2497 * Thankfully all 21041's act the same. 2498 */ 2499 sc->tulip_boardsw = &tulip_21041_boardsw; 2500 } else { 2501 /* 2502 * Assume all 21140 board are compatible with the 2503 * DEC 10/100 evaluation board. Not really valid but 2504 * it's the best we can do until every one switches to 2505 * the new SROM format. 2506 */ 2507 2508 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2509 } 2510 tulip_srom_read(sc); 2511 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2512 /* 2513 * SROM CRC is valid therefore it must be in the 2514 * new format. 2515 */ 2516 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2517 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2518 /* 2519 * No checksum is present. See if the SROM id checks out; 2520 * the first 18 bytes should be 0 followed by a 1 followed 2521 * by the number of adapters (which we don't deal with yet). 2522 */ 2523 for (idx = 0; idx < 18; idx++) { 2524 if (sc->tulip_rombuf[idx] != 0) 2525 break; 2526 } 2527 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2528 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2529 } else if (sc->tulip_chipid >= TULIP_21142) { 2530 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2531 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2532 } 2533 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2534 if (sc->tulip_chipid != TULIP_21041) 2535 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2536 2537 /* 2538 * If the SROM specifies more than one adapter, tag this as a 2539 * BASE rom. 2540 */ 2541 if (sc->tulip_rombuf[19] > 1) 2542 sc->tulip_features |= TULIP_HAVE_BASEROM; 2543 if (sc->tulip_boardsw == NULL) 2544 return -6; 2545 goto check_oui; 2546 } 2547 } 2548 2549 2550 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2551 /* 2552 * Some folks don't use the standard ethernet rom format 2553 * but instead just put the address in the first 6 bytes 2554 * of the rom and let the rest be all 0xffs. (Can we say 2555 * ZNYX?) (well sometimes they put in a checksum so we'll 2556 * start at 8). 2557 */ 2558 for (idx = 8; idx < 32; idx++) { 2559 if (sc->tulip_rombuf[idx] != 0xFF) 2560 return -4; 2561 } 2562 /* 2563 * Make sure the address is not multicast or locally assigned 2564 * that the OUI is not 00-00-00. 2565 */ 2566 if ((sc->tulip_rombuf[0] & 3) != 0) 2567 return -4; 2568 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2569 && sc->tulip_rombuf[2] == 0) 2570 return -4; 2571 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2572 sc->tulip_features |= TULIP_HAVE_OKROM; 2573 goto check_oui; 2574 } else { 2575 /* 2576 * A number of makers of multiport boards (ZNYX and Cogent) 2577 * only put on one address ROM on their 21040 boards. So 2578 * if the ROM is all zeros (or all 0xFFs), look at the 2579 * previous configured boards (as long as they are on the same 2580 * PCI bus and the bus number is non-zero) until we find the 2581 * master board with address ROM. We then use its address ROM 2582 * as the base for this board. (we add our relative board 2583 * to the last byte of its address). 2584 */ 2585 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2586 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2587 break; 2588 } 2589 if (idx == sizeof(sc->tulip_rombuf)) { 2590 int root_unit; 2591 tulip_softc_t *root_sc = NULL; 2592 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2593 root_sc = tulips[root_unit]; 2594 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2595 break; 2596 root_sc = NULL; 2597 } 2598 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2599 && root_sc->tulip_chipid == sc->tulip_chipid 2600 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2601 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2602 sc->tulip_boardsw = root_sc->tulip_boardsw; 2603 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2604 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2605 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2606 sizeof(sc->tulip_rombuf)); 2607 if (!tulip_srom_decode(sc)) 2608 return -5; 2609 } else { 2610 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2611 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2612 } 2613 /* 2614 * Now for a truly disgusting kludge: all 4 21040s on 2615 * the ZX314 share the same INTA line so the mapping 2616 * setup by the BIOS on the PCI bridge is worthless. 2617 * Rather than reprogramming the value in the config 2618 * register, we will handle this internally. 2619 */ 2620 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2621 sc->tulip_slaves = root_sc->tulip_slaves; 2622 root_sc->tulip_slaves = sc; 2623 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2624 } 2625 return 0; 2626 } 2627 } 2628 } 2629 2630 /* 2631 * This is the standard DEC address ROM test. 2632 */ 2633 2634 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2635 return -3; 2636 2637 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2638 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2639 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2640 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2641 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2642 return -2; 2643 2644 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2645 2646 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2647 cksum *= 2; 2648 if (cksum > 65535) cksum -= 65535; 2649 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2650 if (cksum > 65535) cksum -= 65535; 2651 cksum *= 2; 2652 if (cksum > 65535) cksum -= 65535; 2653 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2654 if (cksum >= 65535) cksum -= 65535; 2655 2656 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2657 2658 if (cksum != rom_cksum) 2659 return -1; 2660 2661 check_oui: 2662 /* 2663 * Check for various boards based on OUI. Did I say braindead? 2664 */ 2665 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2666 if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { 2667 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2668 break; 2669 } 2670 } 2671 2672 sc->tulip_features |= TULIP_HAVE_OKROM; 2673 return 0; 2674 } 2675 2676 static void 2677 tulip_ifmedia_add(tulip_softc_t * const sc) 2678 { 2679 tulip_media_t media; 2680 int medias = 0; 2681 2682 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2683 if (sc->tulip_mediums[media] != NULL) { 2684 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2685 0, 0); 2686 medias++; 2687 } 2688 } 2689 if (medias == 0) { 2690 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2691 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2692 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2693 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2694 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2695 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2696 } else { 2697 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2698 sc->tulip_flags |= TULIP_PRINTMEDIA; 2699 tulip_linkup(sc, sc->tulip_media); 2700 } 2701 } 2702 2703 static int 2704 tulip_ifmedia_change(struct ifnet *ifp) 2705 { 2706 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 2707 2708 sc->tulip_flags |= TULIP_NEEDRESET; 2709 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2710 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2711 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2712 tulip_media_t media; 2713 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2714 if (sc->tulip_mediums[media] != NULL 2715 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2716 sc->tulip_flags |= TULIP_PRINTMEDIA; 2717 sc->tulip_flags &= ~TULIP_DIDNWAY; 2718 tulip_linkup(sc, media); 2719 return 0; 2720 } 2721 } 2722 } 2723 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2724 tulip_reset(sc); 2725 tulip_init(sc); 2726 return 0; 2727 } 2728 2729 /* 2730 * Media status callback 2731 */ 2732 static void 2733 tulip_ifmedia_status(struct ifnet *ifp, struct ifmediareq *req) 2734 { 2735 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 2736 2737 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 2738 return; 2739 2740 req->ifm_status = IFM_AVALID; 2741 if (sc->tulip_flags & TULIP_LINKUP) 2742 req->ifm_status |= IFM_ACTIVE; 2743 2744 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 2745 } 2746 2747 static void 2748 tulip_addr_filter(tulip_softc_t *sc) 2749 { 2750 struct ifmultiaddr *ifma; 2751 u_char *addrp; 2752 int multicnt; 2753 2754 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 2755 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 2756 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 2757 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 2758 #if defined(IFF_ALLMULTI) 2759 if (sc->tulip_if.if_flags & IFF_ALLMULTI) 2760 sc->tulip_flags |= TULIP_ALLMULTI ; 2761 #endif 2762 2763 multicnt = 0; 2764 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 2765 ifma = ifma->ifma_link.le_next) { 2766 2767 if (ifma->ifma_addr->sa_family == AF_LINK) 2768 multicnt++; 2769 } 2770 2771 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 2772 if (multicnt > 14) { 2773 uint32_t *sp = sc->tulip_setupdata; 2774 u_int hash; 2775 /* 2776 * Some early passes of the 21140 have broken implementations of 2777 * hash-perfect mode. When we get too many multicasts for perfect 2778 * filtering with these chips, we need to switch into hash-only 2779 * mode (this is better than all-multicast on network with lots 2780 * of multicast traffic). 2781 */ 2782 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 2783 sc->tulip_flags |= TULIP_WANTHASHONLY; 2784 else 2785 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 2786 /* 2787 * If we have more than 14 multicasts, we have 2788 * go into hash perfect mode (512 bit multicast 2789 * hash and one perfect hardware). 2790 */ 2791 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 2792 2793 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 2794 ifma = ifma->ifma_link.le_next) { 2795 2796 if (ifma->ifma_addr->sa_family != AF_LINK) 2797 continue; 2798 2799 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 2800 #if BYTE_ORDER == BIG_ENDIAN 2801 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 2802 #else 2803 sp[hash >> 4] |= 1 << (hash & 0xF); 2804 #endif 2805 } 2806 /* 2807 * No reason to use a hash if we are going to be 2808 * receiving every multicast. 2809 */ 2810 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2811 hash = tulip_mchash(sc->tulip_if.if_broadcastaddr); 2812 #if BYTE_ORDER == BIG_ENDIAN 2813 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 2814 #else 2815 sp[hash >> 4] |= 1 << (hash & 0xF); 2816 #endif 2817 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 2818 hash = tulip_mchash(sc->tulip_enaddr); 2819 #if BYTE_ORDER == BIG_ENDIAN 2820 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 2821 #else 2822 sp[hash >> 4] |= 1 << (hash & 0xF); 2823 #endif 2824 } else { 2825 #if BYTE_ORDER == BIG_ENDIAN 2826 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 2827 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 2828 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 2829 #else 2830 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 2831 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 2832 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 2833 #endif 2834 } 2835 } 2836 } 2837 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 2838 uint32_t *sp = sc->tulip_setupdata; 2839 int idx = 0; 2840 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2841 /* 2842 * Else can get perfect filtering for 16 addresses. 2843 */ 2844 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 2845 ifma = ifma->ifma_link.le_next) { 2846 if (ifma->ifma_addr->sa_family != AF_LINK) 2847 continue; 2848 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 2849 #if BYTE_ORDER == BIG_ENDIAN 2850 *sp++ = ((u_int16_t *) addrp)[0] << 16; 2851 *sp++ = ((u_int16_t *) addrp)[1] << 16; 2852 *sp++ = ((u_int16_t *) addrp)[2] << 16; 2853 #else 2854 *sp++ = ((u_int16_t *) addrp)[0]; 2855 *sp++ = ((u_int16_t *) addrp)[1]; 2856 *sp++ = ((u_int16_t *) addrp)[2]; 2857 #endif 2858 idx++; 2859 } 2860 /* 2861 * Add the broadcast address. 2862 */ 2863 idx++; 2864 #if BYTE_ORDER == BIG_ENDIAN 2865 *sp++ = 0xFFFF << 16; 2866 *sp++ = 0xFFFF << 16; 2867 *sp++ = 0xFFFF << 16; 2868 #else 2869 *sp++ = 0xFFFF; 2870 *sp++ = 0xFFFF; 2871 *sp++ = 0xFFFF; 2872 #endif 2873 } 2874 /* 2875 * Pad the rest with our hardware address 2876 */ 2877 for (; idx < 16; idx++) { 2878 #if BYTE_ORDER == BIG_ENDIAN 2879 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 2880 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 2881 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 2882 #else 2883 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 2884 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 2885 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 2886 #endif 2887 } 2888 } 2889 #if defined(IFF_ALLMULTI) 2890 if (sc->tulip_flags & TULIP_ALLMULTI) 2891 sc->tulip_if.if_flags |= IFF_ALLMULTI; 2892 #endif 2893 } 2894 2895 static void 2896 tulip_reset(tulip_softc_t *sc) 2897 { 2898 tulip_ringinfo_t *ri; 2899 tulip_desc_t *di; 2900 uint32_t inreset = (sc->tulip_flags & TULIP_INRESET); 2901 2902 /* 2903 * Brilliant. Simply brilliant. When switching modes/speeds 2904 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 2905 * bits in CSR6 and then do a software reset to get the 21140 2906 * to properly reset its internal pathways to the right places. 2907 * Grrrr. 2908 */ 2909 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 2910 && sc->tulip_boardsw->bd_media_preset != NULL) 2911 (*sc->tulip_boardsw->bd_media_preset)(sc); 2912 2913 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 2914 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 2915 33MHz that comes to two microseconds but wait a 2916 bit longer anyways) */ 2917 2918 if (!inreset) { 2919 sc->tulip_flags |= TULIP_INRESET; 2920 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 2921 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 2922 sc->tulip_if.if_start = tulip_ifstart; 2923 } 2924 2925 TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); 2926 TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); 2927 TULIP_CSR_WRITE(sc, csr_busmode, 2928 (1 << (3 /*pci_max_burst_len*/ + 8)) 2929 |TULIP_BUSMODE_CACHE_ALIGN8 2930 |TULIP_BUSMODE_READMULTIPLE 2931 |(BYTE_ORDER != LITTLE_ENDIAN ? 2932 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 2933 2934 sc->tulip_txtimer = 0; 2935 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 2936 /* 2937 * Free all the mbufs that were on the transmit ring. 2938 */ 2939 for (;;) { 2940 struct mbuf *m; 2941 IF_DEQUEUE(&sc->tulip_txq, m); 2942 if (m == NULL) 2943 break; 2944 m_freem(m); 2945 } 2946 2947 ri = &sc->tulip_txinfo; 2948 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 2949 ri->ri_free = ri->ri_max; 2950 for (di = ri->ri_first; di < ri->ri_last; di++) 2951 di->d_status = 0; 2952 2953 /* 2954 * We need to collect all the mbufs were on the 2955 * receive ring before we reinit it either to put 2956 * them back on or to know if we have to allocate 2957 * more. 2958 */ 2959 ri = &sc->tulip_rxinfo; 2960 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 2961 ri->ri_free = ri->ri_max; 2962 for (di = ri->ri_first; di < ri->ri_last; di++) { 2963 di->d_status = 0; 2964 di->d_length1 = 0; di->d_addr1 = 0; 2965 di->d_length2 = 0; di->d_addr2 = 0; 2966 } 2967 for (;;) { 2968 struct mbuf *m; 2969 IF_DEQUEUE(&sc->tulip_rxq, m); 2970 if (m == NULL) 2971 break; 2972 m_freem(m); 2973 } 2974 2975 /* 2976 * If tulip_reset is being called recurisvely, exit quickly knowing 2977 * that when the outer tulip_reset returns all the right stuff will 2978 * have happened. 2979 */ 2980 if (inreset) 2981 return; 2982 2983 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 2984 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 2985 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 2986 |TULIP_STS_RXSTOPPED; 2987 2988 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 2989 (*sc->tulip_boardsw->bd_media_select)(sc); 2990 tulip_media_print(sc); 2991 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 2992 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 2993 2994 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 2995 |TULIP_RXACT); 2996 tulip_addr_filter(sc); 2997 } 2998 2999 static void 3000 tulip_init(tulip_softc_t * const sc) 3001 { 3002 if (sc->tulip_if.if_flags & IFF_UP) { 3003 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 3004 /* initialize the media */ 3005 tulip_reset(sc); 3006 } 3007 sc->tulip_if.if_flags |= IFF_RUNNING; 3008 if (sc->tulip_if.if_flags & IFF_PROMISC) { 3009 sc->tulip_flags |= TULIP_PROMISC; 3010 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3011 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3012 } else { 3013 sc->tulip_flags &= ~TULIP_PROMISC; 3014 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3015 if (sc->tulip_flags & TULIP_ALLMULTI) { 3016 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3017 } else { 3018 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3019 } 3020 } 3021 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3022 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3023 tulip_rx_intr(sc); 3024 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3025 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3026 } else { 3027 sc->tulip_if.if_flags |= IFF_OACTIVE; 3028 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3029 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3030 } 3031 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3032 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3033 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3034 tulip_txput_setup(sc); 3035 } else { 3036 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3037 tulip_reset(sc); 3038 } 3039 } 3040 3041 static void 3042 tulip_rx_intr(tulip_softc_t *sc) 3043 { 3044 tulip_ringinfo_t *ri = &sc->tulip_rxinfo; 3045 struct ifnet *ifp = &sc->tulip_if; 3046 int fillok = 1; 3047 3048 for (;;) { 3049 struct ether_header eh; 3050 tulip_desc_t *eop = ri->ri_nextin; 3051 int total_len = 0, last_offset = 0; 3052 struct mbuf *ms = NULL, *me = NULL; 3053 int accept = 0; 3054 3055 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3056 goto queue_mbuf; 3057 3058 /* 3059 * If the TULIP has no descriptors, there can't be any receive 3060 * descriptors to process. 3061 */ 3062 if (eop == ri->ri_nextout) 3063 break; 3064 3065 /* 3066 * 90% of the packets will fit in one descriptor. So we optimize 3067 * for that case. 3068 */ 3069 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3070 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3071 IF_DEQUEUE(&sc->tulip_rxq, ms); 3072 me = ms; 3073 } else { 3074 /* 3075 * If still owned by the TULIP, don't touch it. 3076 */ 3077 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3078 break; 3079 3080 /* 3081 * It is possible (though improbable unless the BIG_PACKET support 3082 * is enabled or MCLBYTES < 1518) for a received packet to cross 3083 * more than one receive descriptor. 3084 */ 3085 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3086 if (++eop == ri->ri_last) 3087 eop = ri->ri_first; 3088 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3089 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3090 return; 3091 } 3092 total_len++; 3093 } 3094 3095 /* 3096 * Dequeue the first buffer for the start of the packet. Hopefully 3097 * this will be the only one we need to dequeue. However, if the 3098 * packet consumed multiple descriptors, then we need to dequeue 3099 * those buffers and chain to the starting mbuf. All buffers but 3100 * the last buffer have the same length so we can set that now. 3101 * (we add to last_offset instead of multiplying since we normally 3102 * won't go into the loop and thereby saving a ourselves from 3103 * doing a multiplication by 0 in the normal case). 3104 */ 3105 IF_DEQUEUE(&sc->tulip_rxq, ms); 3106 for (me = ms; total_len > 0; total_len--) { 3107 me->m_len = TULIP_RX_BUFLEN; 3108 last_offset += TULIP_RX_BUFLEN; 3109 IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3110 me = me->m_next; 3111 } 3112 } 3113 3114 /* 3115 * Now get the size of received packet (minus the CRC). 3116 */ 3117 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3118 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3119 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0 3120 #ifdef BIG_PACKET 3121 || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && 3122 (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT| 3123 TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC| 3124 TULIP_DSTS_RxOVERFLOW)) == 0) 3125 #endif 3126 )) { 3127 me->m_len = total_len - last_offset; 3128 3129 eh = *mtod(ms, struct ether_header *); 3130 sc->tulip_flags |= TULIP_RXACT; 3131 accept = 1; 3132 } else { 3133 ifp->if_ierrors++; 3134 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3135 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3136 } else { 3137 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3138 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3139 } 3140 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3141 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3142 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3143 } else { 3144 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3145 } 3146 } 3147 } 3148 } 3149 ifp->if_ipackets++; 3150 if (++eop == ri->ri_last) 3151 eop = ri->ri_first; 3152 ri->ri_nextin = eop; 3153 queue_mbuf: 3154 /* 3155 * Either we are priming the TULIP with mbufs (m == NULL) 3156 * or we are about to accept an mbuf for the upper layers 3157 * so we need to allocate an mbuf to replace it. If we 3158 * can't replace it, send up it anyways. This may cause 3159 * us to drop packets in the future but that's better than 3160 * being caught in livelock. 3161 * 3162 * Note that if this packet crossed multiple descriptors 3163 * we don't even try to reallocate all the mbufs here. 3164 * Instead we rely on the test of the beginning of 3165 * the loop to refill for the extra consumed mbufs. 3166 */ 3167 if (accept || ms == NULL) { 3168 struct mbuf *m0; 3169 MGETHDR(m0, MB_DONTWAIT, MT_DATA); 3170 if (m0 != NULL) { 3171 #if defined(TULIP_COPY_RXDATA) 3172 if (!accept || total_len >= (MHLEN - 2)) { 3173 #endif 3174 MCLGET(m0, MB_DONTWAIT); 3175 if ((m0->m_flags & M_EXT) == 0) { 3176 m_freem(m0); 3177 m0 = NULL; 3178 } 3179 #if defined(TULIP_COPY_RXDATA) 3180 } 3181 #endif 3182 } 3183 if (accept 3184 #if defined(TULIP_COPY_RXDATA) 3185 && m0 != NULL 3186 #endif 3187 ) { 3188 #if !defined(TULIP_COPY_RXDATA) 3189 ms->m_pkthdr.len = total_len; 3190 ms->m_pkthdr.rcvif = ifp; 3191 m_adj(ms, sizeof(struct ether_header)); 3192 ether_input(ifp, &eh, ms); 3193 #else 3194 #ifdef BIG_PACKET 3195 #error BIG_PACKET is incompatible with TULIP_COPY_RXDATA 3196 #endif 3197 m0->m_data += 2; /* align data after header */ 3198 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3199 m0->m_len = m0->m_pkthdr.len = total_len; 3200 m0->m_pkthdr.rcvif = ifp; 3201 m_adj(m0, sizeof(struct ether_header)); 3202 ether_input(ifp, &eh, m0); 3203 m0 = ms; 3204 #endif /* ! TULIP_COPY_RXDATA */ 3205 } 3206 ms = m0; 3207 } 3208 if (ms == NULL) { 3209 /* 3210 * Couldn't allocate a new buffer. Don't bother 3211 * trying to replenish the receive queue. 3212 */ 3213 fillok = 0; 3214 sc->tulip_flags |= TULIP_RXBUFSLOW; 3215 continue; 3216 } 3217 /* 3218 * Now give the buffer(s) to the TULIP and save in our 3219 * receive queue. 3220 */ 3221 do { 3222 tulip_desc_t * const nextout = ri->ri_nextout; 3223 nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t)); 3224 nextout->d_length1 = TULIP_RX_BUFLEN; 3225 nextout->d_status = TULIP_DSTS_OWNER; 3226 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3227 if (++ri->ri_nextout == ri->ri_last) 3228 ri->ri_nextout = ri->ri_first; 3229 me = ms->m_next; 3230 ms->m_next = NULL; 3231 IF_ENQUEUE(&sc->tulip_rxq, ms); 3232 } while ((ms = me) != NULL); 3233 3234 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3235 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3236 } 3237 } 3238 3239 static int 3240 tulip_tx_intr(tulip_softc_t *sc) 3241 { 3242 tulip_ringinfo_t *ri = &sc->tulip_txinfo; 3243 struct mbuf *m; 3244 int xmits = 0; 3245 int descs = 0; 3246 3247 while (ri->ri_free < ri->ri_max) { 3248 uint32_t d_flag; 3249 3250 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3251 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3252 break; 3253 3254 ri->ri_free++; 3255 descs++; 3256 d_flag = ri->ri_nextin->d_flag; 3257 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3258 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3259 /* 3260 * We've just finished processing a setup packet. 3261 * Mark that we finished it. If there's not 3262 * another pending, startup the TULIP receiver. 3263 * Make sure we ack the RXSTOPPED so we won't get 3264 * an abormal interrupt indication. 3265 */ 3266 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3267 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3268 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3269 sc->tulip_flags |= TULIP_HASHONLY; 3270 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3271 tulip_rx_intr(sc); 3272 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3273 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3274 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3275 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3276 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3277 } 3278 } else { 3279 const uint32_t d_status = ri->ri_nextin->d_status; 3280 IF_DEQUEUE(&sc->tulip_txq, m); 3281 if (m != NULL) { 3282 m_freem(m); 3283 } 3284 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3285 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3286 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3287 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3288 } 3289 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3290 /* 3291 * Escape from the loop before media poll has reset the TULIP! 3292 */ 3293 break; 3294 } else { 3295 xmits++; 3296 if (d_status & TULIP_DSTS_ERRSUM) { 3297 sc->tulip_if.if_oerrors++; 3298 if (d_status & TULIP_DSTS_TxEXCCOLL) 3299 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3300 if (d_status & TULIP_DSTS_TxLATECOLL) 3301 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3302 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3303 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3304 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3305 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3306 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3307 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3308 if (d_status & TULIP_DSTS_TxBABBLE) 3309 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3310 } else { 3311 u_int32_t collisions = 3312 (d_status & TULIP_DSTS_TxCOLLMASK) 3313 >> TULIP_DSTS_V_TxCOLLCNT; 3314 sc->tulip_if.if_collisions += collisions; 3315 if (collisions == 1) 3316 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3317 else if (collisions > 1) 3318 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3319 else if (d_status & TULIP_DSTS_TxDEFERRED) 3320 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3321 /* 3322 * SQE is only valid for 10baseT/BNC/AUI when not 3323 * running in full-duplex. In order to speed up the 3324 * test, the corresponding bit in tulip_flags needs to 3325 * set as well to get us to count SQE Test Errors. 3326 */ 3327 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3328 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3329 } 3330 } 3331 } 3332 } 3333 3334 if (++ri->ri_nextin == ri->ri_last) 3335 ri->ri_nextin = ri->ri_first; 3336 3337 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3338 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3339 } 3340 /* 3341 * If nothing left to transmit, disable the timer. 3342 * Else if progress, reset the timer back to 2 ticks. 3343 */ 3344 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3345 sc->tulip_txtimer = 0; 3346 else if (xmits > 0) 3347 sc->tulip_txtimer = TULIP_TXTIMER; 3348 sc->tulip_if.if_opackets += xmits; 3349 return descs; 3350 } 3351 3352 static void 3353 tulip_print_abnormal_interrupt(tulip_softc_t *sc, uint32_t csr) 3354 { 3355 const char * const *msgp = tulip_status_bits; 3356 const char *sep; 3357 uint32_t mask; 3358 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3359 3360 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3361 printf("%s%d: abnormal interrupt:", sc->tulip_name, sc->tulip_unit); 3362 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3363 if ((csr & mask) && *msgp != NULL) { 3364 printf("%s%s", sep, *msgp); 3365 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3366 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3367 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3368 printf(" (switching to store-and-forward mode)"); 3369 } else { 3370 printf(" (raising TX threshold to %s)", 3371 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3372 } 3373 } 3374 sep = ", "; 3375 } 3376 } 3377 printf("\n"); 3378 } 3379 3380 static void 3381 tulip_intr_handler(tulip_softc_t *sc, int *progress_p) 3382 { 3383 uint32_t csr; 3384 3385 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3386 *progress_p = 1; 3387 TULIP_CSR_WRITE(sc, csr_status, csr); 3388 3389 if (csr & TULIP_STS_SYSERROR) { 3390 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3391 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3392 sc->tulip_flags |= TULIP_SYSTEMERROR; 3393 } else { 3394 printf("%s%d: system error: %s\n", 3395 sc->tulip_name, sc->tulip_unit, 3396 tulip_system_errors[sc->tulip_last_system_error]); 3397 } 3398 sc->tulip_flags |= TULIP_NEEDRESET; 3399 sc->tulip_system_errors++; 3400 break; 3401 } 3402 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3403 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3404 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3405 ? TULIP_MEDIAPOLL_LINKFAIL 3406 : TULIP_MEDIAPOLL_LINKPASS); 3407 csr &= ~TULIP_STS_ABNRMLINTR; 3408 } 3409 tulip_media_print(sc); 3410 } 3411 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3412 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3413 if (csr & TULIP_STS_RXNOBUF) 3414 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3415 /* 3416 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3417 * on receive overflows. 3418 */ 3419 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3420 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3421 /* 3422 * Stop the receiver process and spin until it's stopped. 3423 * Tell rx_intr to drop the packets it dequeues. 3424 */ 3425 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3426 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3427 ; 3428 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3429 sc->tulip_flags |= TULIP_RXIGNORE; 3430 } 3431 tulip_rx_intr(sc); 3432 if (sc->tulip_flags & TULIP_RXIGNORE) { 3433 /* 3434 * Restart the receiver. 3435 */ 3436 sc->tulip_flags &= ~TULIP_RXIGNORE; 3437 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3438 } 3439 } 3440 if (csr & TULIP_STS_ABNRMLINTR) { 3441 u_int32_t tmp = csr & sc->tulip_intrmask 3442 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3443 if (csr & TULIP_STS_TXUNDERFLOW) { 3444 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3445 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3446 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3447 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3448 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3449 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3450 } 3451 } 3452 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3453 sc->tulip_statusbits |= tmp; 3454 } else { 3455 tulip_print_abnormal_interrupt(sc, tmp); 3456 sc->tulip_flags |= TULIP_NOMESSAGES; 3457 } 3458 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3459 } 3460 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3461 tulip_tx_intr(sc); 3462 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3463 tulip_ifstart(&sc->tulip_if); 3464 } 3465 } 3466 if (sc->tulip_flags & TULIP_NEEDRESET) { 3467 tulip_reset(sc); 3468 tulip_init(sc); 3469 } 3470 } 3471 3472 static void 3473 tulip_intr_shared(void *arg) 3474 { 3475 tulip_softc_t *sc = arg; 3476 int progress = 0; 3477 3478 for (; sc != NULL; sc = sc->tulip_slaves) { 3479 tulip_intr_handler(sc, &progress); 3480 } 3481 } 3482 3483 static void 3484 tulip_intr_normal(void *arg) 3485 { 3486 tulip_softc_t *sc = (tulip_softc_t *)arg; 3487 int progress = 0; 3488 3489 tulip_intr_handler(sc, &progress); 3490 } 3491 3492 static struct mbuf * 3493 tulip_mbuf_compress(struct mbuf *m) 3494 { 3495 struct mbuf *m0; 3496 #if MCLBYTES >= ETHERMTU + 18 && !defined(BIG_PACKET) 3497 MGETHDR(m0, MB_DONTWAIT, MT_DATA); 3498 if (m0 != NULL) { 3499 if (m->m_pkthdr.len > MHLEN) { 3500 MCLGET(m0, MB_DONTWAIT); 3501 if ((m0->m_flags & M_EXT) == 0) { 3502 m_freem(m); 3503 m_freem(m0); 3504 return NULL; 3505 } 3506 } 3507 m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); 3508 m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; 3509 } 3510 #else 3511 int mlen = MHLEN; 3512 int len = m->m_pkthdr.len; 3513 struct mbuf **mp = &m0; 3514 3515 while (len > 0) { 3516 if (mlen == MHLEN) { 3517 MGETHDR(*mp, MB_DONTWAIT, MT_DATA); 3518 } else { 3519 MGET(*mp, MB_DONTWAIT, MT_DATA); 3520 } 3521 if (*mp == NULL) { 3522 m_freem(m0); 3523 m0 = NULL; 3524 break; 3525 } 3526 if (len > MLEN) { 3527 MCLGET(*mp, MB_DONTWAIT); 3528 if (((*mp)->m_flags & M_EXT) == 0) { 3529 m_freem(m0); 3530 m0 = NULL; 3531 break; 3532 } 3533 (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES; 3534 } else { 3535 (*mp)->m_len = len <= mlen ? len : mlen; 3536 } 3537 m_copydata(m, m->m_pkthdr.len - len, 3538 (*mp)->m_len, mtod((*mp), caddr_t)); 3539 len -= (*mp)->m_len; 3540 mp = &(*mp)->m_next; 3541 mlen = MLEN; 3542 } 3543 #endif 3544 m_freem(m); 3545 return m0; 3546 } 3547 3548 static struct mbuf * 3549 tulip_txput(tulip_softc_t *sc, struct mbuf *m) 3550 { 3551 tulip_ringinfo_t *ri = &sc->tulip_txinfo; 3552 tulip_desc_t *eop, *nextout; 3553 int segcnt, free; 3554 uint32_t d_status; 3555 struct mbuf *m0; 3556 3557 /* 3558 * Now we try to fill in our transmit descriptors. This is 3559 * a bit reminiscent of going on the Ark two by two 3560 * since each descriptor for the TULIP can describe 3561 * two buffers. So we advance through packet filling 3562 * each of the two entries at a time to to fill each 3563 * descriptor. Clear the first and last segment bits 3564 * in each descriptor (actually just clear everything 3565 * but the end-of-ring or chain bits) to make sure 3566 * we don't get messed up by previously sent packets. 3567 * 3568 * We may fail to put the entire packet on the ring if 3569 * there is either not enough ring entries free or if the 3570 * packet has more than MAX_TXSEG segments. In the former 3571 * case we will just wait for the ring to empty. In the 3572 * latter case we have to recopy. 3573 */ 3574 again: 3575 m0 = m; 3576 d_status = 0; 3577 eop = nextout = ri->ri_nextout; 3578 segcnt = 0; 3579 free = ri->ri_free; 3580 3581 do { 3582 int len = m0->m_len; 3583 caddr_t addr = mtod(m0, caddr_t); 3584 unsigned clsize = PAGE_SIZE - (((uintptr_t) addr) & (PAGE_SIZE-1)); 3585 3586 while (len > 0) { 3587 unsigned slen = min(len, clsize); 3588 #ifdef BIG_PACKET 3589 int partial = 0; 3590 if (slen >= 2048) 3591 slen = 2040, partial = 1; 3592 #endif 3593 segcnt++; 3594 if (segcnt > TULIP_MAX_TXSEG) { 3595 /* 3596 * The packet exceeds the number of transmit buffer 3597 * entries that we can use for one packet, so we have 3598 * recopy it into one mbuf and then try again. 3599 */ 3600 m = tulip_mbuf_compress(m); 3601 if (m == NULL) 3602 goto finish; 3603 goto again; 3604 } 3605 if (segcnt & 1) { 3606 if (--free == 0) { 3607 /* 3608 * See if there's any unclaimed space in the 3609 * transmit ring. 3610 */ 3611 if ((free += tulip_tx_intr(sc)) == 0) { 3612 /* 3613 * There's no more room but since nothing 3614 * has been committed at this point, just 3615 * show output is active, put back the 3616 * mbuf and return. 3617 */ 3618 sc->tulip_flags |= TULIP_WANTTXSTART; 3619 goto finish; 3620 } 3621 } 3622 eop = nextout; 3623 if (++nextout == ri->ri_last) 3624 nextout = ri->ri_first; 3625 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3626 eop->d_status = d_status; 3627 eop->d_addr1 = TULIP_KVATOPHYS(sc, addr); 3628 eop->d_length1 = slen; 3629 } else { 3630 /* 3631 * Fill in second half of descriptor 3632 */ 3633 eop->d_addr2 = TULIP_KVATOPHYS(sc, addr); 3634 eop->d_length2 = slen; 3635 } 3636 d_status = TULIP_DSTS_OWNER; 3637 len -= slen; 3638 addr += slen; 3639 #ifdef BIG_PACKET 3640 if (partial) 3641 continue; 3642 #endif 3643 clsize = PAGE_SIZE; 3644 } 3645 } while ((m0 = m0->m_next) != NULL); 3646 3647 BPF_MTAP(&sc->tulip_if, m); 3648 3649 /* 3650 * The descriptors have been filled in. Now get ready 3651 * to transmit. 3652 */ 3653 IF_ENQUEUE(&sc->tulip_txq, m); 3654 m = NULL; 3655 3656 /* 3657 * Make sure the next descriptor after this packet is owned 3658 * by us since it may have been set up above if we ran out 3659 * of room in the ring. 3660 */ 3661 nextout->d_status = 0; 3662 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 3663 3664 /* 3665 * If we only used the first segment of the last descriptor, 3666 * make sure the second segment will not be used. 3667 */ 3668 if (segcnt & 1) { 3669 eop->d_addr2 = 0; 3670 eop->d_length2 = 0; 3671 } 3672 3673 /* 3674 * Mark the last and first segments, indicate we want a transmit 3675 * complete interrupt, and tell it to transmit! 3676 */ 3677 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 3678 3679 /* 3680 * Note that ri->ri_nextout is still the start of the packet 3681 * and until we set the OWNER bit, we can still back out of 3682 * everything we have done. 3683 */ 3684 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 3685 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 3686 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 3687 3688 /* 3689 * This advances the ring for us. 3690 */ 3691 ri->ri_nextout = nextout; 3692 ri->ri_free = free; 3693 3694 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3695 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3696 sc->tulip_if.if_flags |= IFF_OACTIVE; 3697 sc->tulip_if.if_start = tulip_ifstart; 3698 return NULL; 3699 } 3700 3701 /* 3702 * switch back to the single queueing ifstart. 3703 */ 3704 sc->tulip_flags &= ~TULIP_WANTTXSTART; 3705 if (sc->tulip_txtimer == 0) 3706 sc->tulip_txtimer = TULIP_TXTIMER; 3707 3708 /* 3709 * If we want a txstart, there must be not enough space in the 3710 * transmit ring. So we want to enable transmit done interrupts 3711 * so we can immediately reclaim some space. When the transmit 3712 * interrupt is posted, the interrupt handler will call tx_intr 3713 * to reclaim space and then txstart (since WANTTXSTART is set). 3714 * txstart will move the packet into the transmit ring and clear 3715 * WANTTXSTART thereby causing TXINTR to be cleared. 3716 */ 3717 finish: 3718 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 3719 sc->tulip_if.if_flags |= IFF_OACTIVE; 3720 sc->tulip_if.if_start = tulip_ifstart; 3721 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 3722 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3723 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3724 } 3725 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 3726 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 3727 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 3728 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3729 } 3730 } 3731 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3732 return m; 3733 } 3734 3735 static void 3736 tulip_txput_setup(tulip_softc_t *sc) 3737 { 3738 tulip_ringinfo_t *ri = &sc->tulip_txinfo; 3739 tulip_desc_t *nextout; 3740 3741 /* 3742 * We will transmit, at most, one setup packet per call to ifstart. 3743 */ 3744 3745 /* 3746 * Try to reclaim some free descriptors.. 3747 */ 3748 if (ri->ri_free < 2) 3749 tulip_tx_intr(sc); 3750 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 3751 sc->tulip_flags |= TULIP_WANTTXSTART; 3752 sc->tulip_if.if_start = tulip_ifstart; 3753 return; 3754 } 3755 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 3756 sizeof(sc->tulip_setupbuf)); 3757 /* 3758 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 3759 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 3760 */ 3761 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 3762 ri->ri_free--; 3763 nextout = ri->ri_nextout; 3764 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3765 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 3766 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 3767 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 3768 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 3769 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 3770 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 3771 3772 nextout->d_length2 = 0; 3773 nextout->d_addr2 = 0; 3774 nextout->d_length1 = sizeof(sc->tulip_setupbuf); 3775 nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf); 3776 3777 /* 3778 * Advance the ring for the next transmit packet. 3779 */ 3780 if (++ri->ri_nextout == ri->ri_last) 3781 ri->ri_nextout = ri->ri_first; 3782 3783 /* 3784 * Make sure the next descriptor is owned by us since it 3785 * may have been set up above if we ran out of room in the 3786 * ring. 3787 */ 3788 ri->ri_nextout->d_status = 0; 3789 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 3790 nextout->d_status = TULIP_DSTS_OWNER; 3791 /* 3792 * Flush the ownwership of the current descriptor 3793 */ 3794 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 3795 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3796 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 3797 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3798 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3799 } 3800 } 3801 3802 static int 3803 tulip_ifioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred * cr) 3804 { 3805 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 3806 struct ifaddr *ifa = (struct ifaddr *)data; 3807 struct ifreq *ifr = (struct ifreq *)data; 3808 int s; 3809 int error = 0; 3810 3811 s = splimp(); 3812 switch (cmd) { 3813 case SIOCSIFADDR: { 3814 ifp->if_flags |= IFF_UP; 3815 switch(ifa->ifa_addr->sa_family) { 3816 #ifdef INET 3817 case AF_INET: { 3818 tulip_init(sc); 3819 arp_ifinit(&(sc)->tulip_ac.ac_if, ifa); 3820 break; 3821 } 3822 #endif /* INET */ 3823 3824 #ifdef IPX 3825 case AF_IPX: { 3826 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 3827 if (ipx_nullhost(*ina)) { 3828 ina->x_host = *(union ipx_host *)(sc->tulip_enaddr); 3829 } else { 3830 ifp->if_flags &= ~IFF_RUNNING; 3831 bcopy((caddr_t)ina->x_host.c_host, 3832 (caddr_t)sc->tulip_enaddr, 3833 sizeof(sc->tulip_enaddr)); 3834 } 3835 tulip_init(sc); 3836 break; 3837 } 3838 #endif /* IPX */ 3839 3840 #ifdef NS 3841 /* 3842 * This magic copied from if_is.c; I don't use XNS, 3843 * so I have no way of telling if this actually 3844 * works or not. 3845 */ 3846 case AF_NS: { 3847 struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr); 3848 if (ns_nullhost(*ina)) { 3849 ina->x_host = *(union ns_host *)(sc->tulip_enaddr); 3850 } else { 3851 ifp->if_flags &= ~IFF_RUNNING; 3852 bcopy((caddr_t)ina->x_host.c_host, 3853 (caddr_t)sc->tulip_enaddr, 3854 sizeof(sc->tulip_enaddr)); 3855 } 3856 tulip_init(sc); 3857 break; 3858 } 3859 #endif /* NS */ 3860 3861 default: { 3862 tulip_init(sc); 3863 break; 3864 } 3865 } 3866 break; 3867 } 3868 case SIOCGIFADDR: { 3869 bcopy((caddr_t) sc->tulip_enaddr, 3870 (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data, 3871 6); 3872 break; 3873 } 3874 3875 case SIOCSIFFLAGS: { 3876 tulip_addr_filter(sc); /* reinit multicast filter */ 3877 tulip_init(sc); 3878 break; 3879 } 3880 3881 case SIOCSIFMEDIA: 3882 case SIOCGIFMEDIA: { 3883 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 3884 break; 3885 } 3886 3887 case SIOCADDMULTI: 3888 case SIOCDELMULTI: { 3889 /* 3890 * Update multicast listeners 3891 */ 3892 tulip_addr_filter(sc); /* reset multicast filtering */ 3893 tulip_init(sc); 3894 error = 0; 3895 break; 3896 } 3897 3898 case SIOCSIFMTU: 3899 /* 3900 * Set the interface MTU. 3901 */ 3902 if (ifr->ifr_mtu > ETHERMTU 3903 #ifdef BIG_PACKET 3904 && sc->tulip_chipid != TULIP_21140 3905 && sc->tulip_chipid != TULIP_21140A 3906 && sc->tulip_chipid != TULIP_21041 3907 #endif 3908 ) { 3909 error = EINVAL; 3910 break; 3911 } 3912 ifp->if_mtu = ifr->ifr_mtu; 3913 #ifdef BIG_PACKET 3914 tulip_reset(sc); 3915 tulip_init(sc); 3916 #endif 3917 break; 3918 3919 #ifdef SIOCGADDRROM 3920 case SIOCGADDRROM: { 3921 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 3922 break; 3923 } 3924 #endif 3925 #ifdef SIOCGCHIPID 3926 case SIOCGCHIPID: { 3927 ifr->ifr_metric = (int) sc->tulip_chipid; 3928 break; 3929 } 3930 #endif 3931 default: { 3932 error = EINVAL; 3933 break; 3934 } 3935 } 3936 3937 splx(s); 3938 return error; 3939 } 3940 3941 static void 3942 tulip_ifstart(struct ifnet *ifp) 3943 { 3944 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 3945 3946 if (sc->tulip_if.if_flags & IFF_RUNNING) { 3947 3948 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3949 tulip_txput_setup(sc); 3950 3951 while (sc->tulip_if.if_snd.ifq_head != NULL) { 3952 struct mbuf *m; 3953 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 3954 if ((m = tulip_txput(sc, m)) != NULL) { 3955 IF_PREPEND(&sc->tulip_if.if_snd, m); 3956 break; 3957 } 3958 } 3959 } 3960 } 3961 3962 static void 3963 tulip_ifwatchdog(struct ifnet *ifp) 3964 { 3965 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 3966 3967 sc->tulip_if.if_timer = 1; 3968 /* 3969 * These should be rare so do a bulk test up front so we can just skip 3970 * them if needed. 3971 */ 3972 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 3973 /* 3974 * If the number of receive buffer is low, try to refill 3975 */ 3976 if (sc->tulip_flags & TULIP_RXBUFSLOW) 3977 tulip_rx_intr(sc); 3978 3979 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 3980 printf("%s%d: %d system errors: last was %s\n", 3981 sc->tulip_name, sc->tulip_unit, sc->tulip_system_errors, 3982 tulip_system_errors[sc->tulip_last_system_error]); 3983 } 3984 if (sc->tulip_statusbits) { 3985 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 3986 sc->tulip_statusbits = 0; 3987 } 3988 3989 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 3990 } 3991 3992 if (sc->tulip_txtimer) 3993 tulip_tx_intr(sc); 3994 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 3995 printf("%s%d: transmission timeout\n", sc->tulip_name, sc->tulip_unit); 3996 if (TULIP_DO_AUTOSENSE(sc)) { 3997 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 3998 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 3999 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4000 } 4001 tulip_reset(sc); 4002 tulip_init(sc); 4003 } 4004 } 4005 4006 static void 4007 tulip_attach(tulip_softc_t *sc) 4008 { 4009 struct ifnet *ifp = &sc->tulip_if; 4010 4011 callout_init(&sc->tulip_timer); 4012 callout_init(&sc->tulip_fast_timer); 4013 4014 if_initname(ifp, sc->tulip_name, sc->tulip_unit); 4015 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST; 4016 ifp->if_ioctl = tulip_ifioctl; 4017 ifp->if_start = tulip_ifstart; 4018 ifp->if_watchdog = tulip_ifwatchdog; 4019 ifp->if_timer = 1; 4020 4021 printf("%s%d: %s%s pass %d.%d%s\n", 4022 sc->tulip_name, sc->tulip_unit, 4023 sc->tulip_boardid, 4024 tulip_chipdescs[sc->tulip_chipid], 4025 (sc->tulip_revinfo & 0xF0) >> 4, 4026 sc->tulip_revinfo & 0x0F, 4027 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4028 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 4029 4030 (*sc->tulip_boardsw->bd_media_probe)(sc); 4031 ifmedia_init(&sc->tulip_ifmedia, 0, 4032 tulip_ifmedia_change, 4033 tulip_ifmedia_status); 4034 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4035 tulip_ifmedia_add(sc); 4036 4037 tulip_reset(sc); 4038 4039 ether_ifattach(&(sc)->tulip_if, sc->tulip_enaddr); 4040 ifp->if_snd.ifq_maxlen = ifqmaxlen; 4041 } 4042 4043 static void 4044 tulip_initcsrs(tulip_softc_t *sc, tulip_csrptr_t csr_base, size_t csr_size) 4045 { 4046 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 4047 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 4048 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 4049 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 4050 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 4051 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 4052 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 4053 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 4054 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 4055 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 4056 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 4057 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 4058 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 4059 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 4060 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 4061 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 4062 } 4063 4064 static void 4065 tulip_initring(tulip_softc_t *sc, tulip_ringinfo_t *ri, tulip_desc_t *descs, 4066 int ndescs) 4067 { 4068 ri->ri_max = ndescs; 4069 ri->ri_first = descs; 4070 ri->ri_last = ri->ri_first + ri->ri_max; 4071 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 4072 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 4073 } 4074 4075 /* 4076 * This is the PCI configuration support. 4077 */ 4078 4079 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 4080 #define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 4081 #define PCI_CFDA 0x40 /* Configuration Driver Area */ 4082 4083 static int 4084 tulip_pci_probe(device_t dev) 4085 { 4086 const char *name = NULL; 4087 4088 if (pci_get_vendor(dev) != DEC_VENDORID) 4089 return ENXIO; 4090 4091 /* 4092 * Some LanMedia WAN cards use the Tulip chip, but they have 4093 * their own driver, and we should not recognize them 4094 */ 4095 if (pci_get_subvendor(dev) == 0x1376) 4096 return ENXIO; 4097 4098 switch (pci_get_device(dev)) { 4099 case CHIPID_21040: 4100 name = "Digital 21040 Ethernet"; 4101 break; 4102 case CHIPID_21041: 4103 name = "Digital 21041 Ethernet"; 4104 break; 4105 case CHIPID_21140: 4106 if (pci_get_revid(dev) >= 0x20) 4107 name = "Digital 21140A Fast Ethernet"; 4108 else 4109 name = "Digital 21140 Fast Ethernet"; 4110 break; 4111 case CHIPID_21142: 4112 if (pci_get_revid(dev) >= 0x20) 4113 name = "Digital 21143 Fast Ethernet"; 4114 else 4115 name = "Digital 21142 Fast Ethernet"; 4116 break; 4117 } 4118 if (name) { 4119 device_set_desc(dev, name); 4120 return -200; 4121 } 4122 return ENXIO; 4123 } 4124 4125 static int 4126 tulip_shutdown(device_t dev) 4127 { 4128 tulip_softc_t *sc = device_get_softc(dev); 4129 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4130 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 4131 33MHz that comes to two microseconds but wait a 4132 bit longer anyways) */ 4133 return 0; 4134 } 4135 4136 static int 4137 tulip_pci_attach(device_t dev) 4138 { 4139 tulip_softc_t *sc; 4140 int retval, idx; 4141 uint32_t revinfo, cfdainfo, cfcsinfo; 4142 u_int csroffset = TULIP_PCI_CSROFFSET; 4143 u_int csrsize = TULIP_PCI_CSRSIZE; 4144 tulip_csrptr_t csr_base; 4145 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 4146 struct resource *res; 4147 int rid, unit; 4148 4149 unit = device_get_unit(dev); 4150 4151 if (unit >= TULIP_MAX_DEVICES) { 4152 printf("de%d", unit); 4153 printf(": not configured; limit of %d reached or exceeded\n", 4154 TULIP_MAX_DEVICES); 4155 return ENXIO; 4156 } 4157 4158 revinfo = pci_get_revid(dev); 4159 cfdainfo = pci_read_config(dev, PCI_CFDA, 4); 4160 cfcsinfo = pci_read_config(dev, PCIR_COMMAND, 4); 4161 4162 /* turn busmaster on in case BIOS doesn't set it */ 4163 pci_enable_busmaster(dev); 4164 4165 if (pci_get_vendor(dev) == DEC_VENDORID) { 4166 if (pci_get_device(dev) == CHIPID_21040) 4167 chipid = TULIP_21040; 4168 else if (pci_get_device(dev) == CHIPID_21041) 4169 chipid = TULIP_21041; 4170 else if (pci_get_device(dev) == CHIPID_21140) 4171 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 4172 else if (pci_get_device(dev) == CHIPID_21142) 4173 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 4174 } 4175 if (chipid == TULIP_CHIPID_UNKNOWN) 4176 return ENXIO; 4177 4178 if (chipid == TULIP_21040 && revinfo < 0x20) { 4179 printf("de%d", unit); 4180 printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n", 4181 revinfo >> 4, revinfo & 0x0f); 4182 return ENXIO; 4183 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 4184 printf("de%d: not configured; 21140 pass 1.1 required (%d.%d found)\n", 4185 unit, revinfo >> 4, revinfo & 0x0f); 4186 return ENXIO; 4187 } 4188 4189 sc = device_get_softc(dev); 4190 sc->tulip_pci_busno = pci_get_bus(dev); 4191 sc->tulip_pci_devno = pci_get_slot(dev); 4192 sc->tulip_chipid = chipid; 4193 sc->tulip_flags |= TULIP_DEVICEPROBE; 4194 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 4195 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 4196 if (chipid == TULIP_21140A && revinfo <= 0x22) 4197 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 4198 if (chipid == TULIP_21140) 4199 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 4200 if (chipid != TULIP_21040 && chipid != TULIP_21140) 4201 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 4202 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 4203 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 4204 if (chipid != TULIP_21041 || revinfo >= 0x20) 4205 sc->tulip_features |= TULIP_HAVE_SIANWAY; 4206 if (chipid != TULIP_21041) 4207 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 4208 if (chipid != TULIP_21041 && revinfo >= 0x20) 4209 sc->tulip_features |= TULIP_HAVE_SIA100; 4210 } 4211 4212 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 4213 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 4214 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 4215 pci_write_config(dev, PCI_CFDA, cfdainfo, 4); 4216 DELAY(11*1000); 4217 } 4218 sc->tulip_unit = unit; 4219 sc->tulip_name = "de"; 4220 sc->tulip_revinfo = revinfo; 4221 sc->tulip_if.if_softc = sc; 4222 #if defined(TULIP_IOMAPPED) 4223 rid = PCI_CBIO; 4224 res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 4225 0, ~0, 1, RF_ACTIVE); 4226 #else 4227 rid = PCI_CBMA; 4228 res = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, 4229 0, ~0, 1, RF_ACTIVE); 4230 #endif 4231 if (!res) 4232 return ENXIO; 4233 sc->tulip_csrs_bst = rman_get_bustag(res); 4234 sc->tulip_csrs_bsh = rman_get_bushandle(res); 4235 csr_base = 0; 4236 4237 tulips[unit] = sc; 4238 4239 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 4240 4241 sc->tulip_rxdescs = malloc(sizeof(tulip_desc_t) * TULIP_RXDESCS, 4242 M_DEVBUF, M_INTWAIT); 4243 sc->tulip_txdescs = malloc(sizeof(tulip_desc_t) * TULIP_TXDESCS, 4244 M_DEVBUF, M_INTWAIT); 4245 4246 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 4247 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 4248 4249 /* 4250 * Make sure there won't be any interrupts or such... 4251 */ 4252 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4253 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 4254 33MHz that comes to two microseconds but wait a 4255 bit longer anyways) */ 4256 4257 if ((retval = tulip_read_macaddr(sc)) < 0) { 4258 printf("%s%d", sc->tulip_name, sc->tulip_unit); 4259 printf(": can't read ENET ROM (why=%d) (", retval); 4260 for (idx = 0; idx < 32; idx++) 4261 printf("%02x", sc->tulip_rombuf[idx]); 4262 printf("\n"); 4263 printf("%s%d: %s%s pass %d.%d\n", 4264 sc->tulip_name, sc->tulip_unit, 4265 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 4266 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 4267 printf("%s%d: address unknown\n", sc->tulip_name, sc->tulip_unit); 4268 } else { 4269 int s; 4270 void (*intr_rtn)(void *) = tulip_intr_normal; 4271 4272 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 4273 intr_rtn = tulip_intr_shared; 4274 4275 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 4276 void *ih; 4277 4278 rid = 0; 4279 res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 4280 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); 4281 if (res == 0 || bus_setup_intr(dev, res, INTR_TYPE_NET, 4282 intr_rtn, sc, &ih)) { 4283 printf("%s%d: couldn't map interrupt\n", 4284 sc->tulip_name, sc->tulip_unit); 4285 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 4286 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 4287 return ENXIO; 4288 } 4289 } 4290 4291 s = splimp(); 4292 tulip_attach(sc); 4293 splx(s); 4294 } 4295 return 0; 4296 } 4297 4298 static device_method_t tulip_pci_methods[] = { 4299 /* Device interface */ 4300 DEVMETHOD(device_probe, tulip_pci_probe), 4301 DEVMETHOD(device_attach, tulip_pci_attach), 4302 DEVMETHOD(device_shutdown, tulip_shutdown), 4303 { 0, 0 } 4304 }; 4305 static driver_t tulip_pci_driver = { 4306 "de", 4307 tulip_pci_methods, 4308 sizeof(tulip_softc_t), 4309 }; 4310 static devclass_t tulip_devclass; 4311 4312 DECLARE_DUMMY_MODULE(if_de); 4313 DRIVER_MODULE(if_de, pci, tulip_pci_driver, tulip_devclass, 0, 0); 4314 4315