1 /* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */ 2 /*- 3 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. The name of the author may not be used to endorse or promote products 12 * derived from this software without specific prior written permission 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 * Id: if_de.c,v 1.94 1997/07/03 16:55:07 thomas Exp 26 */ 27 28 /* 29 * DEC 21040 PCI Ethernet Controller 30 * 31 * Written by Matt Thomas 32 * BPF support code stolen directly from if_ec.c 33 * 34 * This driver supports the DEC DE435 or any other PCI 35 * board which support 21040, 21041, or 21140 (mostly). 36 */ 37 38 #include <sys/cdefs.h> 39 __FBSDID("$FreeBSD: head/sys/dev/de/if_de.c 271849 2014-09-19 03:51:26Z glebius $"); 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/endian.h> 44 #include <sys/mbuf.h> 45 #include <sys/socket.h> 46 #include <sys/sockio.h> 47 #include <sys/malloc.h> 48 #include <sys/kernel.h> 49 #include <sys/eventhandler.h> 50 #include <sys/bus.h> 51 #include <sys/rman.h> 52 #include <sys/interrupt.h> 53 54 #include "opt_inet.h" 55 56 #include <net/if.h> 57 #include <net/if_media.h> 58 #include <net/if_dl.h> 59 #include <net/ifq_var.h> 60 #include <net/bpf.h> 61 62 #ifdef INET 63 #include <netinet/in.h> 64 #include <netinet/if_ether.h> 65 #endif 66 67 #include <vm/vm.h> 68 69 #include <net/if_var.h> 70 #include <vm/pmap.h> 71 #include <bus/pci/pcivar.h> 72 #include <bus/pci/pcireg.h> 73 #include <dev/netif/de/dc21040reg.h> 74 75 /* 76 * Intel CPUs should use I/O mapped access. 77 */ 78 #if defined(__x86_64__) 79 #define TULIP_IOMAPPED 80 #endif 81 82 #define TULIP_HZ 10 83 84 #include "if_devar.h" 85 86 #define SYNC_NONE 0 87 #define SYNC_RX 1 88 #define SYNC_TX 2 89 90 static tulip_softc_t *tulips[TULIP_MAX_DEVICES]; 91 92 /* 93 * This module supports 94 * the DEC 21040 PCI Ethernet Controller. 95 * the DEC 21041 PCI Ethernet Controller. 96 * the DEC 21140 PCI Fast Ethernet Controller. 97 */ 98 static void tulip_mii_autonegotiate(tulip_softc_t *, u_int); 99 static void tulip_intr_shared(void *); 100 static void tulip_intr_normal(void *); 101 static void tulip_init(tulip_softc_t *); 102 static void tulip_reset(tulip_softc_t *); 103 static void tulip_ifstart(struct ifnet *, struct ifaltq_subque *); 104 static struct mbuf *tulip_txput(tulip_softc_t *, struct mbuf *); 105 static void tulip_txput_setup(tulip_softc_t *); 106 static void tulip_rx_intr(tulip_softc_t *); 107 static void tulip_addr_filter(tulip_softc_t *); 108 static u_int tulip_mii_readreg(tulip_softc_t *, u_int, u_int); 109 static void tulip_mii_writereg(tulip_softc_t *, u_int, u_int, u_int); 110 static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 111 static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t *); 112 static int tulip_srom_decode(tulip_softc_t *); 113 static int tulip_ifmedia_change(struct ifnet *); 114 static void tulip_ifmedia_status(struct ifnet *, struct ifmediareq *); 115 static struct mbuf *tulip_dequeue_mbuf(tulip_ringinfo_t *ri, tulip_descinfo_t *di, 116 int sync); 117 static void tulip_dma_map_addr(void *, bus_dma_segment_t *, int, int); 118 static void tulip_dma_map_rxbuf(void *, bus_dma_segment_t *, int, 119 bus_size_t, int); 120 static void tulip_ifinit(void *); 121 122 static void 123 tulip_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error) 124 { 125 bus_addr_t *paddr; 126 127 if (error) 128 return; 129 130 paddr = arg; 131 *paddr = segs->ds_addr; 132 } 133 134 static void 135 tulip_dma_map_rxbuf(void *arg, bus_dma_segment_t *segs, int nseg, 136 bus_size_t mapsize, int error) 137 { 138 tulip_desc_t *desc; 139 140 if (error) 141 return; 142 143 desc = arg; 144 KASSERT(nseg == 1, ("too many DMA segments")); 145 KASSERT(segs[0].ds_len >= TULIP_RX_BUFLEN, ("receive buffer too small")); 146 147 desc->d_addr1 = segs[0].ds_addr & 0xffffffff; 148 desc->d_length1 = TULIP_RX_BUFLEN; 149 #ifdef not_needed 150 /* These should already always be zero. */ 151 desc->d_addr2 = 0; 152 desc->d_length2 = 0; 153 #endif 154 } 155 156 static struct mbuf * 157 tulip_dequeue_mbuf(tulip_ringinfo_t *ri, tulip_descinfo_t *di, int sync) 158 { 159 struct mbuf *m; 160 161 m = di->di_mbuf; 162 if (m != NULL) { 163 switch (sync) { 164 case SYNC_NONE: 165 break; 166 case SYNC_RX: 167 TULIP_RXMAP_POSTSYNC(ri, di); 168 break; 169 case SYNC_TX: 170 TULIP_TXMAP_POSTSYNC(ri, di); 171 break; 172 default: 173 panic("bad sync flag: %d", sync); 174 } 175 bus_dmamap_unload(ri->ri_data_tag, *di->di_map); 176 di->di_mbuf = NULL; 177 } 178 return (m); 179 } 180 181 static void 182 tulip_timeout_callback(void *arg) 183 { 184 tulip_softc_t *sc = arg; 185 186 lwkt_serialize_enter(sc->arpcom.ac_if.if_serializer); 187 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 188 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 189 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 190 lwkt_serialize_exit(sc->arpcom.ac_if.if_serializer); 191 } 192 193 static void 194 tulip_timeout(tulip_softc_t *sc) 195 { 196 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 197 return; 198 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 199 callout_reset(&sc->tulip_callout, (hz + TULIP_HZ / 2) / TULIP_HZ, 200 tulip_timeout_callback, sc); 201 } 202 203 static int 204 tulip_txprobe(tulip_softc_t *sc) 205 { 206 struct mbuf *m; 207 208 /* 209 * Before we are sure this is the right media we need 210 * to send a small packet to make sure there's carrier. 211 * Strangely, BNC and AUI will "see" receive data if 212 * either is connected so the transmit is the only way 213 * to verify the connectivity. 214 */ 215 MGETHDR(m, M_NOWAIT, MT_DATA); 216 if (m == NULL) 217 return 0; 218 /* 219 * Construct a LLC TEST message which will point to ourselves. 220 */ 221 bcopy(sc->arpcom.ac_enaddr, mtod(m, struct ether_header *)->ether_dhost, 222 ETHER_ADDR_LEN); 223 bcopy(sc->arpcom.ac_enaddr, mtod(m, struct ether_header *)->ether_shost, 224 ETHER_ADDR_LEN); 225 mtod(m, struct ether_header *)->ether_type = htons(3); 226 mtod(m, unsigned char *)[14] = 0; 227 mtod(m, unsigned char *)[15] = 0; 228 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 229 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 230 /* 231 * send it! 232 */ 233 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 234 sc->tulip_intrmask |= TULIP_STS_TXINTR; 235 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 236 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 237 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 238 if ((m = tulip_txput(sc, m)) != NULL) 239 m_freem(m); 240 sc->tulip_probe.probe_txprobes++; 241 return 1; 242 } 243 244 static void 245 tulip_media_set(tulip_softc_t *sc, tulip_media_t media) 246 { 247 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 248 249 if (mi == NULL) 250 return; 251 252 /* 253 * If we are switching media, make sure we don't think there's 254 * any stale RX activity 255 */ 256 sc->tulip_flags &= ~TULIP_RXACT; 257 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 258 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 259 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 260 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 261 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general); 262 DELAY(50); 263 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general); 264 } else { 265 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general); 266 } 267 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 268 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 269 #define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 270 /* 271 * If the cmdmode bits don't match the currently operating mode, 272 * set the cmdmode appropriately and reset the chip. 273 */ 274 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 275 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 276 sc->tulip_cmdmode |= mi->mi_cmdmode; 277 tulip_reset(sc); 278 } 279 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 280 DELAY(10); 281 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 282 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 283 /* 284 * If the cmdmode bits don't match the currently operating mode, 285 * set the cmdmode appropriately and reset the chip. 286 */ 287 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 288 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 289 sc->tulip_cmdmode |= mi->mi_cmdmode; 290 tulip_reset(sc); 291 } 292 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 293 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 294 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 295 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 296 int idx; 297 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 298 const u_int8_t *dp; 299 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 300 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 301 DELAY(10); 302 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 303 } 304 sc->tulip_phyaddr = mi->mi_phyaddr; 305 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 306 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 307 DELAY(10); 308 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 309 } 310 } else { 311 for (idx = 0; idx < mi->mi_reset_length; idx++) { 312 DELAY(10); 313 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 314 } 315 sc->tulip_phyaddr = mi->mi_phyaddr; 316 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 317 DELAY(10); 318 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 319 } 320 } 321 if (sc->tulip_flags & TULIP_TRYNWAY) { 322 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 323 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 324 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 325 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 326 sc->tulip_flags &= ~TULIP_DIDNWAY; 327 if (TULIP_IS_MEDIA_FD(media)) 328 data |= PHYCTL_FULL_DUPLEX; 329 if (TULIP_IS_MEDIA_100MB(media)) 330 data |= PHYCTL_SELECT_100MB; 331 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 332 } 333 } 334 } 335 336 static void 337 tulip_linkup(tulip_softc_t *sc, tulip_media_t media) 338 { 339 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 340 sc->tulip_flags |= TULIP_PRINTLINKUP; 341 sc->tulip_flags |= TULIP_LINKUP; 342 ifq_clr_oactive(&sc->arpcom.ac_if.if_snd); 343 #if 0 /* XXX how does with work with ifmedia? */ 344 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 345 if (sc->arpcom.ac_if.if_flags & IFF_FULLDUPLEX) { 346 if (TULIP_CAN_MEDIA_FD(media) 347 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 348 media = TULIP_FD_MEDIA_OF(media); 349 } else { 350 if (TULIP_IS_MEDIA_FD(media) 351 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 352 media = TULIP_HD_MEDIA_OF(media); 353 } 354 } 355 #endif 356 if (sc->tulip_media != media) { 357 sc->tulip_media = media; 358 sc->tulip_flags |= TULIP_PRINTMEDIA; 359 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 360 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 361 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 362 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 363 } 364 } 365 /* 366 * We could set probe_timeout to 0 but setting to 3000 puts this 367 * in one central place and the only matters is tulip_link is 368 * followed by a tulip_timeout. Therefore setting it should not 369 * result in aberrant behavour. 370 */ 371 sc->tulip_probe_timeout = 3000; 372 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 373 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 374 if (sc->tulip_flags & TULIP_INRESET) { 375 tulip_media_set(sc, sc->tulip_media); 376 } else if (sc->tulip_probe_media != sc->tulip_media) { 377 /* 378 * No reason to change media if we have the right media. 379 */ 380 tulip_reset(sc); 381 } 382 tulip_init(sc); 383 } 384 385 static void 386 tulip_media_print(tulip_softc_t *sc) 387 { 388 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 389 return; 390 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 391 if_printf(&sc->arpcom.ac_if, "enabling %s port\n", 392 tulip_mediums[sc->tulip_media]); 393 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 394 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 395 if_printf(&sc->arpcom.ac_if, "link up\n"); 396 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 397 } 398 } 399 400 static tulip_link_status_t 401 tulip_media_link_monitor(tulip_softc_t *sc) 402 { 403 const tulip_media_info_t *mi = sc->tulip_mediums[sc->tulip_media]; 404 tulip_link_status_t linkup = TULIP_LINK_DOWN; 405 406 if (mi == NULL) { 407 #if defined(DIAGNOSTIC) 408 panic("tulip_media_link_monitor: %s: botch at line %d\n", 409 tulip_mediums[sc->tulip_media],__LINE__); 410 #endif 411 return TULIP_LINK_UNKNOWN; 412 } 413 414 415 /* 416 * Have we seen some packets? If so, the link must be good. 417 */ 418 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 419 sc->tulip_flags &= ~TULIP_RXACT; 420 sc->tulip_probe_timeout = 3000; 421 return TULIP_LINK_UP; 422 } 423 424 sc->tulip_flags &= ~TULIP_RXACT; 425 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 426 u_int32_t status; 427 /* 428 * Read the PHY status register. 429 */ 430 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 431 if (status & PHYSTS_AUTONEG_DONE) { 432 /* 433 * If the PHY has completed autonegotiation, see the if the 434 * remote systems abilities have changed. If so, upgrade or 435 * downgrade as appropriate. 436 */ 437 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 438 abilities = (abilities << 6) & status; 439 if (abilities != sc->tulip_abilities) { 440 if (tulip_mii_map_abilities(sc, abilities)) { 441 tulip_linkup(sc, sc->tulip_probe_media); 442 return TULIP_LINK_UP; 443 } 444 /* 445 * if we had selected media because of autonegotiation, 446 * we need to probe for the new media. 447 */ 448 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 449 if (sc->tulip_flags & TULIP_DIDNWAY) 450 return TULIP_LINK_DOWN; 451 } 452 } 453 /* 454 * The link is now up. If was down, say its back up. 455 */ 456 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 457 linkup = TULIP_LINK_UP; 458 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 459 /* 460 * No activity sensor? Assume all's well. 461 */ 462 if (mi->mi_actmask == 0) 463 return TULIP_LINK_UNKNOWN; 464 /* 465 * Does the activity data match? 466 */ 467 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 468 linkup = TULIP_LINK_UP; 469 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 470 /* 471 * Assume non TP ok for now. 472 */ 473 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 474 return TULIP_LINK_UNKNOWN; 475 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 476 linkup = TULIP_LINK_UP; 477 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 478 return TULIP_LINK_UNKNOWN; 479 } 480 /* 481 * We will wait for 3 seconds until the link goes into suspect mode. 482 */ 483 if (sc->tulip_flags & TULIP_LINKUP) { 484 if (linkup == TULIP_LINK_UP) 485 sc->tulip_probe_timeout = 3000; 486 if (sc->tulip_probe_timeout > 0) 487 return TULIP_LINK_UP; 488 489 sc->tulip_flags &= ~TULIP_LINKUP; 490 if_printf(&sc->arpcom.ac_if, "link down: cable problem?\n"); 491 } 492 return TULIP_LINK_DOWN; 493 } 494 495 static void 496 tulip_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event) 497 { 498 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 499 && event == TULIP_MEDIAPOLL_TIMER) { 500 switch (tulip_media_link_monitor(sc)) { 501 case TULIP_LINK_DOWN: { 502 /* 503 * Link Monitor failed. Probe for new media. 504 */ 505 event = TULIP_MEDIAPOLL_LINKFAIL; 506 break; 507 } 508 case TULIP_LINK_UP: { 509 /* 510 * Check again soon. 511 */ 512 tulip_timeout(sc); 513 return; 514 } 515 case TULIP_LINK_UNKNOWN: { 516 /* 517 * We can't tell so don't bother. 518 */ 519 return; 520 } 521 } 522 } 523 524 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 525 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 526 if (TULIP_DO_AUTOSENSE(sc)) { 527 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 528 if (sc->arpcom.ac_if.if_flags & IFF_UP) 529 tulip_reset(sc); /* restart probe */ 530 } 531 return; 532 } 533 } 534 535 if (event == TULIP_MEDIAPOLL_START) { 536 ifq_set_oactive(&sc->arpcom.ac_if.if_snd); 537 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 538 return; 539 sc->tulip_probe_mediamask = 0; 540 sc->tulip_probe_passes = 0; 541 /* 542 * If the SROM contained an explicit media to use, use it. 543 */ 544 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 545 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 546 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 547 /* 548 * connidx is defaulted to a media_unknown type. 549 */ 550 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 551 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 552 tulip_linkup(sc, sc->tulip_probe_media); 553 tulip_timeout(sc); 554 return; 555 } 556 557 if (sc->tulip_features & TULIP_HAVE_GPR) { 558 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 559 sc->tulip_probe_timeout = 2000; 560 } else { 561 sc->tulip_probe_media = TULIP_MEDIA_MAX; 562 sc->tulip_probe_timeout = 0; 563 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 564 } 565 } 566 567 /* 568 * Ignore txprobe failures or spurious callbacks. 569 */ 570 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 571 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 572 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 573 return; 574 } 575 576 /* 577 * If we really transmitted a packet, then that's the media we'll use. 578 */ 579 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 580 if (event == TULIP_MEDIAPOLL_LINKPASS) { 581 /* XXX Check media status just to be sure */ 582 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 583 } 584 tulip_linkup(sc, sc->tulip_probe_media); 585 tulip_timeout(sc); 586 return; 587 } 588 589 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 590 /* 591 * Brute force. We cycle through each of the media types 592 * and try to transmit a packet. 593 */ 594 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 595 sc->tulip_probe_media = TULIP_MEDIA_MAX; 596 sc->tulip_probe_timeout = 0; 597 tulip_timeout(sc); 598 return; 599 } 600 601 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 602 && (sc->tulip_features & TULIP_HAVE_MII)) { 603 tulip_media_t old_media = sc->tulip_probe_media; 604 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 605 switch (sc->tulip_probe_state) { 606 case TULIP_PROBE_FAILED: 607 case TULIP_PROBE_MEDIATEST: { 608 /* 609 * Try the next media. 610 */ 611 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 612 sc->tulip_probe_timeout = 0; 613 #ifdef notyet 614 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 615 break; 616 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 617 break; 618 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 619 #endif 620 break; 621 } 622 case TULIP_PROBE_PHYAUTONEG: { 623 return; 624 } 625 case TULIP_PROBE_INACTIVE: { 626 /* 627 * Only probe if we autonegotiated a media that hasn't failed. 628 */ 629 sc->tulip_probe_timeout = 0; 630 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 631 sc->tulip_probe_media = old_media; 632 break; 633 } 634 tulip_linkup(sc, sc->tulip_probe_media); 635 tulip_timeout(sc); 636 return; 637 } 638 default: { 639 #if defined(DIAGNOSTIC) 640 panic("tulip_media_poll: botch at line %d", __LINE__); 641 #endif 642 break; 643 } 644 } 645 } 646 647 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 648 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 649 return; 650 } 651 652 /* 653 * switch to another media if we tried this one enough. 654 */ 655 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 656 /* 657 * Find the next media type to check for. Full Duplex 658 * types are not allowed. 659 */ 660 do { 661 sc->tulip_probe_media -= 1; 662 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 663 if (++sc->tulip_probe_passes == 3) { 664 if_printf(&sc->arpcom.ac_if, 665 "autosense failed: cable problem?\n"); 666 if ((sc->arpcom.ac_if.if_flags & IFF_UP) == 0) { 667 sc->arpcom.ac_if.if_flags &= ~IFF_RUNNING; 668 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 669 return; 670 } 671 } 672 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 673 sc->tulip_probe_mediamask = 0; 674 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 675 } 676 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 677 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 678 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 679 680 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 681 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 682 sc->tulip_probe.probe_txprobes = 0; 683 tulip_reset(sc); 684 tulip_media_set(sc, sc->tulip_probe_media); 685 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 686 } 687 tulip_timeout(sc); 688 689 /* 690 * If this is hanging off a phy, we know are doing NWAY and we have 691 * forced the phy to a specific speed. Wait for link up before 692 * before sending a packet. 693 */ 694 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 695 case TULIP_MEDIAINFO_MII: { 696 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 697 return; 698 break; 699 } 700 case TULIP_MEDIAINFO_SIA: { 701 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 702 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 703 return; 704 tulip_linkup(sc, sc->tulip_probe_media); 705 #ifdef notyet 706 if (sc->tulip_features & TULIP_HAVE_MII) 707 tulip_timeout(sc); 708 #endif 709 return; 710 } 711 break; 712 } 713 case TULIP_MEDIAINFO_RESET: 714 case TULIP_MEDIAINFO_SYM: 715 case TULIP_MEDIAINFO_NONE: 716 case TULIP_MEDIAINFO_GPR: { 717 break; 718 } 719 } 720 /* 721 * Try to send a packet. 722 */ 723 tulip_txprobe(sc); 724 } 725 726 static void 727 tulip_media_select(tulip_softc_t *sc) 728 { 729 if (sc->tulip_features & TULIP_HAVE_GPR) { 730 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 731 DELAY(10); 732 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 733 } 734 /* 735 * If this board has no media, just return 736 */ 737 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 738 return; 739 740 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 741 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 742 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 743 } else { 744 tulip_media_set(sc, sc->tulip_media); 745 } 746 } 747 748 static void 749 tulip_21040_mediainfo_init(tulip_softc_t *sc, tulip_media_t media) 750 { 751 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 752 |TULIP_CMD_BACKOFFCTR; 753 sc->arpcom.ac_if.if_baudrate = 10000000; 754 755 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 756 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 757 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 758 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 759 } 760 761 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 762 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 763 } 764 765 if (media == TULIP_MEDIA_UNKNOWN) { 766 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 767 } 768 } 769 770 static void 771 tulip_21040_media_probe(tulip_softc_t *sc) 772 { 773 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 774 } 775 776 static void 777 tulip_21040_10baset_only_media_probe(tulip_softc_t *sc) 778 { 779 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 780 tulip_media_set(sc, TULIP_MEDIA_10BASET); 781 sc->tulip_media = TULIP_MEDIA_10BASET; 782 } 783 784 static void 785 tulip_21040_10baset_only_media_select(tulip_softc_t *sc) 786 { 787 sc->tulip_flags |= TULIP_LINKUP; 788 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 789 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 790 sc->tulip_flags &= ~TULIP_SQETEST; 791 } else { 792 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 793 sc->tulip_flags |= TULIP_SQETEST; 794 } 795 tulip_media_set(sc, sc->tulip_media); 796 } 797 798 static void 799 tulip_21040_auibnc_only_media_probe(tulip_softc_t *sc) 800 { 801 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 802 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 803 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 804 sc->tulip_media = TULIP_MEDIA_AUIBNC; 805 } 806 807 static void 808 tulip_21040_auibnc_only_media_select(tulip_softc_t *sc) 809 { 810 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 811 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 812 } 813 814 static const tulip_boardsw_t tulip_21040_boardsw = { 815 TULIP_21040_GENERIC, 816 tulip_21040_media_probe, 817 tulip_media_select, 818 tulip_media_poll, 819 }; 820 821 static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 822 TULIP_21040_GENERIC, 823 tulip_21040_10baset_only_media_probe, 824 tulip_21040_10baset_only_media_select, 825 NULL, 826 }; 827 828 static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 829 TULIP_21040_GENERIC, 830 tulip_21040_auibnc_only_media_probe, 831 tulip_21040_auibnc_only_media_select, 832 NULL, 833 }; 834 835 static void 836 tulip_21041_mediainfo_init(tulip_softc_t *sc) 837 { 838 tulip_media_info_t *mi = sc->tulip_mediainfo; 839 840 #ifdef notyet 841 if (sc->tulip_revinfo >= 0x20) { 842 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 843 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 844 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 845 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 846 return; 847 } 848 #endif 849 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 850 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 851 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 852 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 853 } 854 855 static void 856 tulip_21041_media_probe(tulip_softc_t *sc) 857 { 858 sc->arpcom.ac_if.if_baudrate = 10000000; 859 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 860 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 861 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 862 tulip_21041_mediainfo_init(sc); 863 } 864 865 static void 866 tulip_21041_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event) 867 { 868 uint32_t sia_status; 869 870 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 871 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 872 || !TULIP_DO_AUTOSENSE(sc)) 873 return; 874 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 875 tulip_reset(sc); /* start probe */ 876 return; 877 } 878 879 /* 880 * If we've been been asked to start a poll or link change interrupt 881 * restart the probe (and reset the tulip to a known state). 882 */ 883 if (event == TULIP_MEDIAPOLL_START) { 884 ifq_set_oactive(&sc->arpcom.ac_if.if_snd); 885 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 886 #ifdef notyet 887 if (sc->tulip_revinfo >= 0x20) { 888 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 889 sc->tulip_flags |= TULIP_DIDNWAY; 890 } 891 #endif 892 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 893 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 894 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 895 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 896 tulip_media_set(sc, TULIP_MEDIA_10BASET); 897 tulip_timeout(sc); 898 return; 899 } 900 901 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 902 return; 903 904 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 905 tulip_linkup(sc, sc->tulip_probe_media); 906 return; 907 } 908 909 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 910 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 911 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 912 if (sc->tulip_revinfo >= 0x20) { 913 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 914 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 915 } 916 /* 917 * If the link has passed LinkPass, 10baseT is the 918 * proper media to use. 919 */ 920 tulip_linkup(sc, sc->tulip_probe_media); 921 return; 922 } 923 924 /* 925 * wait for up to 2.4 seconds for the link to reach pass state. 926 * Only then start scanning the other media for activity. 927 * choose media with receive activity over those without. 928 */ 929 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 930 if (event != TULIP_MEDIAPOLL_TIMER) 931 return; 932 if (sc->tulip_probe_timeout > 0 933 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 934 tulip_timeout(sc); 935 return; 936 } 937 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 938 sc->tulip_flags |= TULIP_WANTRXACT; 939 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 940 sc->tulip_probe_media = TULIP_MEDIA_BNC; 941 } else { 942 sc->tulip_probe_media = TULIP_MEDIA_AUI; 943 } 944 tulip_media_set(sc, sc->tulip_probe_media); 945 tulip_timeout(sc); 946 return; 947 } 948 949 /* 950 * If we failed, clear the txprobe active flag. 951 */ 952 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 953 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 954 955 956 if (event == TULIP_MEDIAPOLL_TIMER) { 957 /* 958 * If we've received something, then that's our link! 959 */ 960 if (sc->tulip_flags & TULIP_RXACT) { 961 tulip_linkup(sc, sc->tulip_probe_media); 962 return; 963 } 964 /* 965 * if no txprobe active 966 */ 967 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 968 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 969 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 970 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 971 tulip_txprobe(sc); 972 tulip_timeout(sc); 973 return; 974 } 975 /* 976 * Take 2 passes through before deciding to not 977 * wait for receive activity. Then take another 978 * two passes before spitting out a warning. 979 */ 980 if (sc->tulip_probe_timeout <= 0) { 981 if (sc->tulip_flags & TULIP_WANTRXACT) { 982 sc->tulip_flags &= ~TULIP_WANTRXACT; 983 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 984 } else { 985 if_printf(&sc->arpcom.ac_if, 986 "autosense failed: cable problem?\n"); 987 if ((sc->arpcom.ac_if.if_flags & IFF_UP) == 0) { 988 sc->arpcom.ac_if.if_flags &= ~IFF_RUNNING; 989 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 990 return; 991 } 992 } 993 } 994 } 995 996 /* 997 * Since this media failed to probe, try the other one. 998 */ 999 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1000 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1001 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1002 } else { 1003 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1004 } 1005 tulip_media_set(sc, sc->tulip_probe_media); 1006 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1007 tulip_timeout(sc); 1008 } 1009 1010 static const tulip_boardsw_t tulip_21041_boardsw = { 1011 TULIP_21041_GENERIC, 1012 tulip_21041_media_probe, 1013 tulip_media_select, 1014 tulip_21041_media_poll 1015 }; 1016 1017 static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1018 { 0x20005c00, 0, /* 08-00-17 */ 1019 { 1020 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1021 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1022 }, 1023 }, 1024 { 0x0281F400, 0, /* 00-A0-7D */ 1025 { 1026 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1027 { }, /* 100TX */ 1028 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1029 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1030 }, 1031 }, 1032 #if 0 1033 { 0x0015F420, 0, /* 00-A0-7D */ 1034 { 1035 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1036 { }, /* 100TX */ 1037 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1038 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1039 }, 1040 }, 1041 #endif 1042 { 0x0281F400, 0, /* 00-A0-BE */ 1043 { 1044 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1045 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1046 { }, /* 100T4 */ 1047 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1048 }, 1049 }, 1050 { 0 } 1051 }; 1052 1053 static tulip_media_t 1054 tulip_mii_phy_readspecific(tulip_softc_t *sc) 1055 { 1056 const tulip_phy_attr_t *attr; 1057 u_int16_t data; 1058 u_int32_t id; 1059 unsigned idx = 0; 1060 static const tulip_media_t table[] = { 1061 TULIP_MEDIA_UNKNOWN, 1062 TULIP_MEDIA_10BASET, 1063 TULIP_MEDIA_100BASETX, 1064 TULIP_MEDIA_100BASET4, 1065 TULIP_MEDIA_UNKNOWN, 1066 TULIP_MEDIA_10BASET_FD, 1067 TULIP_MEDIA_100BASETX_FD, 1068 TULIP_MEDIA_UNKNOWN 1069 }; 1070 1071 /* 1072 * Don't read phy specific registers if link is not up. 1073 */ 1074 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1075 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1076 return TULIP_MEDIA_UNKNOWN; 1077 1078 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1079 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1080 for (attr = tulip_mii_phy_attrlist;; attr++) { 1081 if (attr->attr_id == 0) 1082 return TULIP_MEDIA_UNKNOWN; 1083 if ((id & ~0x0F) == attr->attr_id) 1084 break; 1085 } 1086 1087 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1088 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_100TX]; 1089 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1090 if ((data & pm->pm_mask) == pm->pm_value) 1091 idx = 2; 1092 } 1093 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1094 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_100T4]; 1095 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1096 if ((data & pm->pm_mask) == pm->pm_value) 1097 idx = 3; 1098 } 1099 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1100 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_10T]; 1101 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1102 if ((data & pm->pm_mask) == pm->pm_value) 1103 idx = 1; 1104 } 1105 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1106 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1107 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1108 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1109 } 1110 return table[idx]; 1111 } 1112 1113 static u_int 1114 tulip_mii_get_phyaddr(tulip_softc_t *sc, u_int offset) 1115 { 1116 u_int phyaddr; 1117 1118 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1119 u_int status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1120 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1121 continue; 1122 if (offset == 0) 1123 return phyaddr; 1124 offset--; 1125 } 1126 if (offset == 0) { 1127 u_int status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1128 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1129 return TULIP_MII_NOPHY; 1130 return 0; 1131 } 1132 return TULIP_MII_NOPHY; 1133 } 1134 1135 static int 1136 tulip_mii_map_abilities(tulip_softc_t *sc, u_int abilities) 1137 { 1138 sc->tulip_abilities = abilities; 1139 if (abilities & PHYSTS_100BASETX_FD) { 1140 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1141 } else if (abilities & PHYSTS_100BASET4) { 1142 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1143 } else if (abilities & PHYSTS_100BASETX) { 1144 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1145 } else if (abilities & PHYSTS_10BASET_FD) { 1146 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1147 } else if (abilities & PHYSTS_10BASET) { 1148 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1149 } else { 1150 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1151 return 0; 1152 } 1153 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1154 return 1; 1155 } 1156 1157 static void 1158 tulip_mii_autonegotiate(tulip_softc_t *sc, u_int phyaddr) 1159 { 1160 switch (sc->tulip_probe_state) { 1161 case TULIP_PROBE_MEDIATEST: 1162 case TULIP_PROBE_INACTIVE: { 1163 sc->tulip_flags |= TULIP_DIDNWAY; 1164 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1165 sc->tulip_probe_timeout = 3000; 1166 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1167 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1168 /* FALL THROUGH */ 1169 } 1170 case TULIP_PROBE_PHYRESET: { 1171 uint32_t status; 1172 uint32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1173 if (data & PHYCTL_RESET) { 1174 if (sc->tulip_probe_timeout > 0) { 1175 tulip_timeout(sc); 1176 return; 1177 } 1178 if_printf(&sc->arpcom.ac_if, 1179 "(phy%d): error: reset of PHY never completed!\n", phyaddr); 1180 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1181 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1182 sc->arpcom.ac_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1183 return; 1184 } 1185 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1186 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1187 sc->tulip_flags &= ~TULIP_DIDNWAY; 1188 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1189 return; 1190 } 1191 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1192 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1193 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1194 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1195 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1196 sc->tulip_probe_timeout = 3000; 1197 /* FALL THROUGH */ 1198 } 1199 case TULIP_PROBE_PHYAUTONEG: { 1200 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1201 u_int32_t data; 1202 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1203 if (sc->tulip_probe_timeout > 0) { 1204 tulip_timeout(sc); 1205 return; 1206 } 1207 sc->tulip_flags &= ~TULIP_DIDNWAY; 1208 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1209 return; 1210 } 1211 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1212 data = (data << 6) & status; 1213 if (!tulip_mii_map_abilities(sc, data)) 1214 sc->tulip_flags &= ~TULIP_DIDNWAY; 1215 return; 1216 } 1217 default: { 1218 #if defined(DIAGNOSTIC) 1219 panic("tulip_media_poll: botch at line %d", __LINE__); 1220 #endif 1221 break; 1222 } 1223 } 1224 } 1225 1226 static void 1227 tulip_2114x_media_preset(tulip_softc_t *sc) 1228 { 1229 const tulip_media_info_t *mi = NULL; 1230 tulip_media_t media; 1231 1232 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1233 media = sc->tulip_media; 1234 else 1235 media = sc->tulip_probe_media; 1236 1237 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1238 sc->tulip_flags &= ~TULIP_SQETEST; 1239 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1240 mi = sc->tulip_mediums[media]; 1241 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1242 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1243 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1244 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1245 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1246 sc->tulip_cmdmode |= mi->mi_cmdmode; 1247 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1248 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1249 } 1250 } 1251 switch (media) { 1252 case TULIP_MEDIA_BNC: 1253 case TULIP_MEDIA_AUI: 1254 case TULIP_MEDIA_10BASET: { 1255 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1256 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1257 sc->arpcom.ac_if.if_baudrate = 10000000; 1258 sc->tulip_flags |= TULIP_SQETEST; 1259 break; 1260 } 1261 case TULIP_MEDIA_10BASET_FD: { 1262 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1263 sc->arpcom.ac_if.if_baudrate = 10000000; 1264 break; 1265 } 1266 case TULIP_MEDIA_100BASEFX: 1267 case TULIP_MEDIA_100BASET4: 1268 case TULIP_MEDIA_100BASETX: { 1269 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1270 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1271 sc->arpcom.ac_if.if_baudrate = 100000000; 1272 break; 1273 } 1274 case TULIP_MEDIA_100BASEFX_FD: 1275 case TULIP_MEDIA_100BASETX_FD: { 1276 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1277 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1278 sc->arpcom.ac_if.if_baudrate = 100000000; 1279 break; 1280 } 1281 default: { 1282 break; 1283 } 1284 } 1285 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1286 } 1287 1288 /* 1289 ******************************************************************** 1290 * Start of 21140/21140A support which does not use the MII interface 1291 */ 1292 1293 static void 1294 tulip_null_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event) 1295 { 1296 #if defined(DIAGNOSTIC) 1297 if_printf(&sc->arpcom.ac_if, "botch(media_poll) at line %d\n", __LINE__); 1298 #endif 1299 } 1300 1301 static void 1302 tulip_21140_mediainit(tulip_softc_t *sc, tulip_media_info_t *mip, 1303 tulip_media_t media, u_int gpdata, u_int cmdmode) 1304 { 1305 sc->tulip_mediums[media] = mip; 1306 mip->mi_type = TULIP_MEDIAINFO_GPR; 1307 mip->mi_cmdmode = cmdmode; 1308 mip->mi_gpdata = gpdata; 1309 } 1310 1311 static void 1312 tulip_21140_evalboard_media_probe(tulip_softc_t *sc) 1313 { 1314 tulip_media_info_t *mip = sc->tulip_mediainfo; 1315 1316 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1317 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1318 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1319 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1320 TULIP_CSR_WRITE(sc, csr_command, 1321 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1322 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1323 TULIP_CSR_WRITE(sc, csr_command, 1324 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1325 DELAY(1000000); 1326 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1327 sc->tulip_media = TULIP_MEDIA_10BASET; 1328 } else { 1329 sc->tulip_media = TULIP_MEDIA_100BASETX; 1330 } 1331 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1332 TULIP_GP_EB_INIT, 1333 TULIP_CMD_TXTHRSHLDCTL); 1334 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1335 TULIP_GP_EB_INIT, 1336 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1337 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1338 TULIP_GP_EB_INIT, 1339 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1340 |TULIP_CMD_SCRAMBLER); 1341 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1342 TULIP_GP_EB_INIT, 1343 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1344 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1345 } 1346 1347 static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1348 TULIP_21140_DEC_EB, 1349 tulip_21140_evalboard_media_probe, 1350 tulip_media_select, 1351 tulip_null_media_poll, 1352 tulip_2114x_media_preset, 1353 }; 1354 1355 static void 1356 tulip_21140_accton_media_probe(tulip_softc_t *sc) 1357 { 1358 tulip_media_info_t *mip = sc->tulip_mediainfo; 1359 u_int gpdata; 1360 1361 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1362 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1363 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1364 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1365 TULIP_CSR_WRITE(sc, csr_command, 1366 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1367 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1368 TULIP_CSR_WRITE(sc, csr_command, 1369 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1370 DELAY(1000000); 1371 gpdata = TULIP_CSR_READ(sc, csr_gp); 1372 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1373 sc->tulip_media = TULIP_MEDIA_10BASET; 1374 } else { 1375 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1376 sc->tulip_media = TULIP_MEDIA_BNC; 1377 } else { 1378 sc->tulip_media = TULIP_MEDIA_100BASETX; 1379 } 1380 } 1381 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1382 TULIP_GP_EN1207_BNC_INIT, 1383 TULIP_CMD_TXTHRSHLDCTL); 1384 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1385 TULIP_GP_EN1207_UTP_INIT, 1386 TULIP_CMD_TXTHRSHLDCTL); 1387 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1388 TULIP_GP_EN1207_UTP_INIT, 1389 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1390 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1391 TULIP_GP_EN1207_100_INIT, 1392 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1393 |TULIP_CMD_SCRAMBLER); 1394 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1395 TULIP_GP_EN1207_100_INIT, 1396 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1397 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1398 } 1399 1400 static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1401 TULIP_21140_EN1207, 1402 tulip_21140_accton_media_probe, 1403 tulip_media_select, 1404 tulip_null_media_poll, 1405 tulip_2114x_media_preset, 1406 }; 1407 1408 static void 1409 tulip_21140_smc9332_media_probe(tulip_softc_t *sc) 1410 { 1411 tulip_media_info_t *mip = sc->tulip_mediainfo; 1412 int idx, cnt = 0; 1413 1414 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1415 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1416 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1417 33MHz that comes to two microseconds but wait a 1418 bit longer anyways) */ 1419 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1420 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1421 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1422 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1423 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1424 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1425 DELAY(200000); 1426 for (idx = 1000; idx > 0; idx--) { 1427 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1428 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1429 if (++cnt > 100) 1430 break; 1431 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1432 break; 1433 } else { 1434 cnt = 0; 1435 } 1436 DELAY(1000); 1437 } 1438 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1439 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1440 TULIP_GP_SMC_9332_INIT, 1441 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1442 |TULIP_CMD_SCRAMBLER); 1443 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1444 TULIP_GP_SMC_9332_INIT, 1445 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1446 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1447 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1448 TULIP_GP_SMC_9332_INIT, 1449 TULIP_CMD_TXTHRSHLDCTL); 1450 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1451 TULIP_GP_SMC_9332_INIT, 1452 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1453 } 1454 1455 static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1456 TULIP_21140_SMC_9332, 1457 tulip_21140_smc9332_media_probe, 1458 tulip_media_select, 1459 tulip_null_media_poll, 1460 tulip_2114x_media_preset, 1461 }; 1462 1463 static void 1464 tulip_21140_cogent_em100_media_probe(tulip_softc_t *sc) 1465 { 1466 tulip_media_info_t *mip = sc->tulip_mediainfo; 1467 uint32_t cmdmode; 1468 1469 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1470 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1471 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1472 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1473 1474 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1475 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1476 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1477 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1478 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1479 1480 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1481 TULIP_GP_EM100_INIT, 1482 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1483 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1484 TULIP_GP_EM100_INIT, 1485 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1486 |TULIP_CMD_FULLDUPLEX); 1487 } else { 1488 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1489 sc->tulip_media = TULIP_MEDIA_100BASETX; 1490 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1491 TULIP_GP_EM100_INIT, 1492 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1493 |TULIP_CMD_SCRAMBLER); 1494 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1495 TULIP_GP_EM100_INIT, 1496 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1497 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1498 } 1499 } 1500 1501 static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1502 TULIP_21140_COGENT_EM100, 1503 tulip_21140_cogent_em100_media_probe, 1504 tulip_media_select, 1505 tulip_null_media_poll, 1506 tulip_2114x_media_preset 1507 }; 1508 1509 static void 1510 tulip_21140_znyx_zx34x_media_probe(tulip_softc_t *sc) 1511 { 1512 tulip_media_info_t *mip = sc->tulip_mediainfo; 1513 int cnt10 = 0, cnt100 = 0, idx; 1514 1515 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1516 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1517 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1518 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1519 TULIP_CSR_WRITE(sc, csr_command, 1520 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1521 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1522 TULIP_CSR_WRITE(sc, csr_command, 1523 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1524 1525 DELAY(200000); 1526 for (idx = 1000; idx > 0; idx--) { 1527 uint32_t csr = TULIP_CSR_READ(sc, csr_gp); 1528 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)) { 1529 if (++cnt100 > 100) 1530 break; 1531 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1532 if (++cnt10 > 100) 1533 break; 1534 } else { 1535 cnt10 = 0; 1536 cnt100 = 0; 1537 } 1538 DELAY(1000); 1539 } 1540 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1541 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1542 TULIP_GP_ZX34X_INIT, 1543 TULIP_CMD_TXTHRSHLDCTL); 1544 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1545 TULIP_GP_ZX34X_INIT, 1546 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1547 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1548 TULIP_GP_ZX34X_INIT, 1549 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1550 |TULIP_CMD_SCRAMBLER); 1551 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1552 TULIP_GP_ZX34X_INIT, 1553 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1554 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1555 } 1556 1557 static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1558 TULIP_21140_ZNYX_ZX34X, 1559 tulip_21140_znyx_zx34x_media_probe, 1560 tulip_media_select, 1561 tulip_null_media_poll, 1562 tulip_2114x_media_preset, 1563 }; 1564 1565 static void 1566 tulip_2114x_media_probe(tulip_softc_t *sc) 1567 { 1568 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE | TULIP_CMD_BACKOFFCTR | 1569 TULIP_CMD_THRSHLD72; 1570 } 1571 1572 static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1573 TULIP_21140_ISV, 1574 tulip_2114x_media_probe, 1575 tulip_media_select, 1576 tulip_media_poll, 1577 tulip_2114x_media_preset, 1578 }; 1579 1580 /* 1581 * ******** END of chip-specific handlers. *********** 1582 */ 1583 1584 /* 1585 * Code the read the SROM and MII bit streams (I2C) 1586 */ 1587 #define EMIT do { \ 1588 TULIP_CSR_WRITE(sc, csr_srom_mii, csr); \ 1589 DELAY(1); \ 1590 } while (0) 1591 1592 static void 1593 tulip_srom_idle(tulip_softc_t *sc) 1594 { 1595 u_int bit, csr; 1596 1597 csr = SROMSEL ; EMIT; 1598 csr = SROMSEL | SROMRD; EMIT; 1599 csr ^= SROMCS; EMIT; 1600 csr ^= SROMCLKON; EMIT; 1601 1602 /* 1603 * Write 25 cycles of 0 which will force the SROM to be idle. 1604 */ 1605 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1606 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1607 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1608 } 1609 csr ^= SROMCLKOFF; EMIT; 1610 csr ^= SROMCS; EMIT; 1611 csr = 0; EMIT; 1612 } 1613 1614 static void 1615 tulip_srom_read(tulip_softc_t *sc) 1616 { 1617 const u_int bitwidth = SROM_BITWIDTH; 1618 const u_int cmdmask = (SROMCMD_RD << bitwidth); 1619 const u_int msb = 1 << (bitwidth + 3 - 1); 1620 u_int idx, lastidx = (1 << bitwidth) - 1; 1621 1622 tulip_srom_idle(sc); 1623 1624 for (idx = 0; idx <= lastidx; idx++) { 1625 u_int lastbit, data, bits, bit, csr; 1626 csr = SROMSEL ; EMIT; 1627 csr = SROMSEL | SROMRD; EMIT; 1628 csr ^= SROMCSON; EMIT; 1629 csr ^= SROMCLKON; EMIT; 1630 1631 lastbit = 0; 1632 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1633 u_int thisbit = bits & msb; 1634 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1635 if (thisbit != lastbit) { 1636 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1637 } else { 1638 EMIT; 1639 } 1640 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1641 lastbit = thisbit; 1642 } 1643 csr ^= SROMCLKOFF; EMIT; 1644 1645 for (data = 0, bits = 0; bits < 16; bits++) { 1646 data <<= 1; 1647 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1648 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1649 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1650 } 1651 sc->tulip_rombuf[idx*2] = data & 0xFF; 1652 sc->tulip_rombuf[idx*2+1] = data >> 8; 1653 csr = SROMSEL | SROMRD; EMIT; 1654 csr = 0; EMIT; 1655 } 1656 tulip_srom_idle(sc); 1657 } 1658 1659 #define MII_EMIT do { \ 1660 TULIP_CSR_WRITE(sc, csr_srom_mii, csr); \ 1661 DELAY(1); \ 1662 } while (0) 1663 1664 static void 1665 tulip_mii_writebits(tulip_softc_t *sc, u_int data, u_int bits) 1666 { 1667 u_int csr, msb, lastbit; 1668 1669 msb = 1 << (bits - 1); 1670 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1671 lastbit = (csr & MII_DOUT) ? msb : 0; 1672 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1673 1674 for (; bits > 0; bits--, data <<= 1) { 1675 const unsigned thisbit = data & msb; 1676 if (thisbit != lastbit) { 1677 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1678 } 1679 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1680 lastbit = thisbit; 1681 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1682 } 1683 } 1684 1685 static void 1686 tulip_mii_turnaround(tulip_softc_t *sc, u_int cmd) 1687 { 1688 u_int csr; 1689 1690 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1691 1692 if (cmd == MII_WRCMD) { 1693 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1694 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1695 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1696 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1697 } else { 1698 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1699 } 1700 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1701 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1702 } 1703 1704 static u_int 1705 tulip_mii_readbits(tulip_softc_t *sc) 1706 { 1707 u_int csr, data, idx; 1708 1709 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1710 1711 for (idx = 0, data = 0; idx < 16; idx++) { 1712 data <<= 1; /* this is NOOP on the first pass through */ 1713 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1714 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1715 data |= 1; 1716 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1717 } 1718 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1719 1720 return data; 1721 } 1722 1723 static u_int 1724 tulip_mii_readreg(tulip_softc_t *sc, u_int devaddr, u_int regno) 1725 { 1726 u_int csr; 1727 u_int data; 1728 1729 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1730 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1731 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1732 tulip_mii_writebits(sc, MII_RDCMD, 8); 1733 tulip_mii_writebits(sc, devaddr, 5); 1734 tulip_mii_writebits(sc, regno, 5); 1735 tulip_mii_turnaround(sc, MII_RDCMD); 1736 1737 data = tulip_mii_readbits(sc); 1738 return data; 1739 } 1740 1741 static void 1742 tulip_mii_writereg(tulip_softc_t *sc, u_int devaddr, u_int regno, u_int data) 1743 { 1744 u_int csr; 1745 1746 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1747 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1748 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1749 tulip_mii_writebits(sc, MII_WRCMD, 8); 1750 tulip_mii_writebits(sc, devaddr, 5); 1751 tulip_mii_writebits(sc, regno, 5); 1752 tulip_mii_turnaround(sc, MII_WRCMD); 1753 tulip_mii_writebits(sc, data, 16); 1754 } 1755 1756 #define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF) 1757 #define tulip_srom_crcok(databuf) ( \ 1758 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 1759 ((databuf)[126] | ((databuf)[127] << 8))) 1760 1761 static void 1762 tulip_identify_dec_nic(tulip_softc_t *sc) 1763 { 1764 strcpy(sc->tulip_boardid, "DEC "); 1765 #define D0 4 1766 if (sc->tulip_chipid <= TULIP_21040) 1767 return; 1768 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 1769 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 1770 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 1771 sc->tulip_boardid[D0+8] = ' '; 1772 } 1773 #undef D0 1774 } 1775 1776 static void 1777 tulip_identify_znyx_nic(tulip_softc_t * const sc) 1778 { 1779 u_int id = 0; 1780 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 1781 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 1782 u_int znyx_ptr; 1783 sc->tulip_boardid[8] = '4'; 1784 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 1785 if (znyx_ptr < 26 || znyx_ptr > 116) { 1786 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1787 return; 1788 } 1789 /* ZX344 = 0010 .. 0013FF 1790 */ 1791 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 1792 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 1793 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 1794 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 1795 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 1796 sc->tulip_boardid[9] = '2'; 1797 if (id == TULIP_ZNYX_ID_ZX342B) { 1798 sc->tulip_boardid[10] = 'B'; 1799 sc->tulip_boardid[11] = ' '; 1800 } 1801 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1802 } else if (id == TULIP_ZNYX_ID_ZX344) { 1803 sc->tulip_boardid[10] = '4'; 1804 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1805 } else if (id == TULIP_ZNYX_ID_ZX345) { 1806 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 1807 } else if (id == TULIP_ZNYX_ID_ZX346) { 1808 sc->tulip_boardid[9] = '6'; 1809 } else if (id == TULIP_ZNYX_ID_ZX351) { 1810 sc->tulip_boardid[8] = '5'; 1811 sc->tulip_boardid[9] = '1'; 1812 } 1813 } 1814 if (id == 0) { 1815 /* 1816 * Assume it's a ZX342... 1817 */ 1818 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1819 } 1820 return; 1821 } 1822 sc->tulip_boardid[8] = '1'; 1823 if (sc->tulip_chipid == TULIP_21041) { 1824 sc->tulip_boardid[10] = '1'; 1825 return; 1826 } 1827 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 1828 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 1829 if (id == TULIP_ZNYX_ID_ZX312T) { 1830 sc->tulip_boardid[9] = '2'; 1831 sc->tulip_boardid[10] = 'T'; 1832 sc->tulip_boardid[11] = ' '; 1833 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1834 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 1835 sc->tulip_boardid[9] = '4'; 1836 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1837 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1838 } else if (id == TULIP_ZNYX_ID_ZX314) { 1839 sc->tulip_boardid[9] = '4'; 1840 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1841 sc->tulip_features |= TULIP_HAVE_BASEROM; 1842 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 1843 sc->tulip_boardid[9] = '5'; 1844 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1845 } else if (id == TULIP_ZNYX_ID_ZX315) { 1846 sc->tulip_boardid[9] = '5'; 1847 sc->tulip_features |= TULIP_HAVE_BASEROM; 1848 } else { 1849 id = 0; 1850 } 1851 } 1852 if (id == 0) { 1853 if ((sc->arpcom.ac_enaddr[3] & ~3) == 0xF0 && (sc->arpcom.ac_enaddr[5] & 2) == 0) { 1854 sc->tulip_boardid[9] = '4'; 1855 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1856 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1857 } else if ((sc->arpcom.ac_enaddr[3] & ~3) == 0xF4 && (sc->arpcom.ac_enaddr[5] & 1) == 0) { 1858 sc->tulip_boardid[9] = '5'; 1859 sc->tulip_boardsw = &tulip_21040_boardsw; 1860 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1861 } else if ((sc->arpcom.ac_enaddr[3] & ~3) == 0xEC) { 1862 sc->tulip_boardid[9] = '2'; 1863 sc->tulip_boardsw = &tulip_21040_boardsw; 1864 } 1865 } 1866 } 1867 1868 static void 1869 tulip_identify_smc_nic(tulip_softc_t * const sc) 1870 { 1871 uint32_t id1, id2, ei; 1872 int auibnc = 0, utp = 0; 1873 char *cp; 1874 1875 strcpy(sc->tulip_boardid, "SMC "); 1876 if (sc->tulip_chipid == TULIP_21041) 1877 return; 1878 if (sc->tulip_chipid != TULIP_21040) { 1879 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 1880 strcpy(&sc->tulip_boardid[4], "9332DST "); 1881 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 1882 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 1883 strcpy(&sc->tulip_boardid[4], "9334BDT "); 1884 } else { 1885 strcpy(&sc->tulip_boardid[4], "9332BDT "); 1886 } 1887 return; 1888 } 1889 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 1890 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 1891 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 1892 1893 strcpy(&sc->tulip_boardid[4], "8432"); 1894 cp = &sc->tulip_boardid[8]; 1895 if ((id1 & 1) == 0) 1896 *cp++ = 'B', auibnc = 1; 1897 if ((id1 & 0xFF) > 0x32) 1898 *cp++ = 'T', utp = 1; 1899 if ((id1 & 0x4000) == 0) 1900 *cp++ = 'A', auibnc = 1; 1901 if (id2 == 0x15) { 1902 sc->tulip_boardid[7] = '4'; 1903 *cp++ = '-'; 1904 *cp++ = 'C'; 1905 *cp++ = 'H'; 1906 *cp++ = (ei ? '2' : '1'); 1907 } 1908 *cp++ = ' '; 1909 *cp = '\0'; 1910 if (utp && !auibnc) 1911 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1912 else if (!utp && auibnc) 1913 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 1914 } 1915 1916 static void 1917 tulip_identify_cogent_nic(tulip_softc_t * const sc) 1918 { 1919 strcpy(sc->tulip_boardid, "Cogent "); 1920 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 1921 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 1922 strcat(sc->tulip_boardid, "EM100TX "); 1923 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 1924 #if defined(TULIP_COGENT_EM110TX_ID) 1925 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 1926 strcat(sc->tulip_boardid, "EM110TX "); 1927 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 1928 #endif 1929 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1930 strcat(sc->tulip_boardid, "EM100FX "); 1931 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 1932 } 1933 /* 1934 * Magic number (0x24001109U) is the SubVendor (0x2400) and 1935 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 1936 */ 1937 if (*(uint32_t *) sc->tulip_rombuf == 0x24001109U 1938 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 1939 /* 1940 * Cogent (Adaptec) is still mapping all INTs to INTA of 1941 * first 21140. Dumb! Dumb! 1942 */ 1943 strcat(sc->tulip_boardid, "EM440TX "); 1944 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 1945 } 1946 } else if (sc->tulip_chipid == TULIP_21040) { 1947 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1948 } 1949 } 1950 1951 static void 1952 tulip_identify_accton_nic(tulip_softc_t * const sc) 1953 { 1954 strcpy(sc->tulip_boardid, "ACCTON "); 1955 switch (sc->tulip_chipid) { 1956 case TULIP_21140A: 1957 strcat(sc->tulip_boardid, "EN1207 "); 1958 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 1959 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 1960 break; 1961 case TULIP_21140: 1962 strcat(sc->tulip_boardid, "EN1207TX "); 1963 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 1964 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 1965 break; 1966 case TULIP_21040: 1967 strcat(sc->tulip_boardid, "EN1203 "); 1968 sc->tulip_boardsw = &tulip_21040_boardsw; 1969 break; 1970 case TULIP_21041: 1971 strcat(sc->tulip_boardid, "EN1203 "); 1972 sc->tulip_boardsw = &tulip_21041_boardsw; 1973 break; 1974 default: 1975 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 1976 break; 1977 } 1978 } 1979 1980 static void 1981 tulip_identify_asante_nic(tulip_softc_t * const sc) 1982 { 1983 strcpy(sc->tulip_boardid, "Asante "); 1984 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 1985 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 1986 tulip_media_info_t *mi = sc->tulip_mediainfo; 1987 int idx; 1988 /* 1989 * The Asante Fast Ethernet doesn't always ship with a valid 1990 * new format SROM. So if isn't in the new format, we cheat 1991 * set it up as if we had. 1992 */ 1993 1994 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 1995 sc->tulip_gpdata = 0; 1996 1997 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 1998 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 1999 DELAY(100); 2000 TULIP_CSR_WRITE(sc, csr_gp, 0); 2001 2002 mi->mi_type = TULIP_MEDIAINFO_MII; 2003 mi->mi_gpr_length = 0; 2004 mi->mi_gpr_offset = 0; 2005 mi->mi_reset_length = 0; 2006 mi->mi_reset_offset = 0; 2007 2008 mi->mi_phyaddr = TULIP_MII_NOPHY; 2009 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2010 DELAY(10000); 2011 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2012 } 2013 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2014 if_printf(&sc->arpcom.ac_if, "can't find phy 0\n"); 2015 return; 2016 } 2017 2018 sc->tulip_features |= TULIP_HAVE_MII; 2019 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2020 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2021 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2022 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2023 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2024 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2025 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2026 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2027 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2028 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2029 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2030 2031 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2032 } 2033 } 2034 2035 static void 2036 tulip_identify_compex_nic(tulip_softc_t *sc) 2037 { 2038 strcpy(sc->tulip_boardid, "COMPEX "); 2039 if (sc->tulip_chipid == TULIP_21140A) { 2040 int root_unit; 2041 tulip_softc_t *root_sc = NULL; 2042 2043 strcat(sc->tulip_boardid, "400TX/PCI "); 2044 /* 2045 * All 4 chips on these boards share an interrupt. This code 2046 * copied from tulip_read_macaddr. 2047 */ 2048 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2049 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2050 root_sc = tulips[root_unit]; 2051 if (root_sc == NULL 2052 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2053 break; 2054 root_sc = NULL; 2055 } 2056 if (root_sc != NULL 2057 && root_sc->tulip_chipid == sc->tulip_chipid 2058 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2059 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2060 sc->tulip_slaves = root_sc->tulip_slaves; 2061 root_sc->tulip_slaves = sc; 2062 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) { 2063 if_printf(&sc->arpcom.ac_if, "can't find master device for interrupts"); 2064 } 2065 } else { 2066 strcat(sc->tulip_boardid, "unknown "); 2067 } 2068 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2069 return; 2070 } 2071 2072 static int 2073 tulip_srom_decode(tulip_softc_t *sc) 2074 { 2075 u_int idx1, idx2, idx3; 2076 2077 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2078 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2079 tulip_srom_media_t srom_media; 2080 tulip_media_info_t *mi = sc->tulip_mediainfo; 2081 const uint8_t *dp; 2082 uint32_t leaf_offset, blocks, data; 2083 2084 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2085 if (shp->sh_adapter_count == 1) 2086 break; 2087 if (saip->sai_device == sc->tulip_pci_devno) 2088 break; 2089 } 2090 /* 2091 * Didn't find the right media block for this card. 2092 */ 2093 if (idx1 == shp->sh_adapter_count) 2094 return 0; 2095 2096 /* 2097 * Save the hardware address. 2098 */ 2099 bcopy(shp->sh_ieee802_address, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 2100 /* 2101 * If this is a multiple port card, add the adapter index to the last 2102 * byte of the hardware address. (if it isn't multiport, adding 0 2103 * won't hurt. 2104 */ 2105 sc->arpcom.ac_enaddr[5] += idx1; 2106 2107 leaf_offset = saip->sai_leaf_offset_lowbyte 2108 + saip->sai_leaf_offset_highbyte * 256; 2109 dp = sc->tulip_rombuf + leaf_offset; 2110 2111 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2112 2113 for (idx2 = 0;; idx2++) { 2114 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2115 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2116 break; 2117 } 2118 sc->tulip_connidx = idx2; 2119 2120 if (sc->tulip_chipid == TULIP_21041) { 2121 blocks = *dp++; 2122 for (idx2 = 0; idx2 < blocks; idx2++) { 2123 tulip_media_t media; 2124 data = *dp++; 2125 srom_media = (tulip_srom_media_t) (data & 0x3F); 2126 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2127 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2128 break; 2129 } 2130 media = tulip_srom_mediums[idx3].sm_type; 2131 if (media != TULIP_MEDIA_UNKNOWN) { 2132 if (data & TULIP_SROM_21041_EXTENDED) { 2133 mi->mi_type = TULIP_MEDIAINFO_SIA; 2134 sc->tulip_mediums[media] = mi; 2135 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2136 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2137 mi->mi_sia_general = dp[4] + dp[5] * 256; 2138 mi++; 2139 } else { 2140 switch (media) { 2141 case TULIP_MEDIA_BNC: { 2142 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2143 mi++; 2144 break; 2145 } 2146 case TULIP_MEDIA_AUI: { 2147 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2148 mi++; 2149 break; 2150 } 2151 case TULIP_MEDIA_10BASET: { 2152 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2153 mi++; 2154 break; 2155 } 2156 case TULIP_MEDIA_10BASET_FD: { 2157 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2158 mi++; 2159 break; 2160 } 2161 default: { 2162 break; 2163 } 2164 } 2165 } 2166 } 2167 if (data & TULIP_SROM_21041_EXTENDED) 2168 dp += 6; 2169 } 2170 #ifdef notdef 2171 if (blocks == 0) { 2172 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2173 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2174 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2175 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2176 } 2177 #endif 2178 } else { 2179 unsigned length, type; 2180 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2181 if (sc->tulip_features & TULIP_HAVE_GPR) 2182 sc->tulip_gpinit = *dp++; 2183 blocks = *dp++; 2184 for (idx2 = 0; idx2 < blocks; idx2++) { 2185 const uint8_t *ep; 2186 if ((*dp & 0x80) == 0) { 2187 length = 4; 2188 type = 0; 2189 } else { 2190 length = (*dp++ & 0x7f) - 1; 2191 type = *dp++ & 0x3f; 2192 } 2193 ep = dp + length; 2194 switch (type & 0x3f) { 2195 case 0: { /* 21140[A] GPR block */ 2196 tulip_media_t media; 2197 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2198 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2199 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2200 break; 2201 } 2202 media = tulip_srom_mediums[idx3].sm_type; 2203 if (media == TULIP_MEDIA_UNKNOWN) 2204 break; 2205 mi->mi_type = TULIP_MEDIAINFO_GPR; 2206 sc->tulip_mediums[media] = mi; 2207 mi->mi_gpdata = dp[1]; 2208 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2209 sc->tulip_gpdata = mi->mi_gpdata; 2210 gp_media = media; 2211 } 2212 data = dp[2] + dp[3] * 256; 2213 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2214 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2215 mi->mi_actmask = 0; 2216 } else { 2217 #if 0 2218 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2219 #endif 2220 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2221 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2222 } 2223 mi++; 2224 break; 2225 } 2226 case 1: { /* 21140[A] MII block */ 2227 const u_int phyno = *dp++; 2228 mi->mi_type = TULIP_MEDIAINFO_MII; 2229 mi->mi_gpr_length = *dp++; 2230 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2231 dp += mi->mi_gpr_length; 2232 mi->mi_reset_length = *dp++; 2233 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2234 dp += mi->mi_reset_length; 2235 2236 /* 2237 * Before we probe for a PHY, use the GPR information 2238 * to select it. If we don't, it may be inaccessible. 2239 */ 2240 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2241 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2242 DELAY(10); 2243 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2244 } 2245 sc->tulip_phyaddr = mi->mi_phyaddr; 2246 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2247 DELAY(10); 2248 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2249 } 2250 2251 /* 2252 * At least write something! 2253 */ 2254 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2255 TULIP_CSR_WRITE(sc, csr_gp, 0); 2256 2257 mi->mi_phyaddr = TULIP_MII_NOPHY; 2258 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2259 DELAY(10000); 2260 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2261 } 2262 if (mi->mi_phyaddr == TULIP_MII_NOPHY) 2263 break; 2264 sc->tulip_features |= TULIP_HAVE_MII; 2265 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2266 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2267 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2268 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2269 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2270 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2271 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2272 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2273 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2274 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2275 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2276 mi++; 2277 break; 2278 } 2279 case 2: { /* 2114[23] SIA block */ 2280 tulip_media_t media; 2281 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2282 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2283 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2284 break; 2285 } 2286 media = tulip_srom_mediums[idx3].sm_type; 2287 if (media == TULIP_MEDIA_UNKNOWN) 2288 break; 2289 mi->mi_type = TULIP_MEDIAINFO_SIA; 2290 sc->tulip_mediums[media] = mi; 2291 if (dp[0] & 0x40) { 2292 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2293 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2294 mi->mi_sia_general = dp[5] + dp[6] * 256; 2295 dp += 6; 2296 } else { 2297 switch (media) { 2298 case TULIP_MEDIA_BNC: { 2299 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2300 break; 2301 } 2302 case TULIP_MEDIA_AUI: { 2303 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2304 break; 2305 } 2306 case TULIP_MEDIA_10BASET: { 2307 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2308 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2309 break; 2310 } 2311 case TULIP_MEDIA_10BASET_FD: { 2312 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2313 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2314 break; 2315 } 2316 default: { 2317 goto bad_media; 2318 } 2319 } 2320 } 2321 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2322 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2323 mi++; 2324 bad_media: 2325 break; 2326 } 2327 case 3: { /* 2114[23] MII PHY block */ 2328 const u_int phyno = *dp++; 2329 const uint8_t *dp0; 2330 mi->mi_type = TULIP_MEDIAINFO_MII; 2331 mi->mi_gpr_length = *dp++; 2332 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2333 dp += 2 * mi->mi_gpr_length; 2334 mi->mi_reset_length = *dp++; 2335 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2336 dp += 2 * mi->mi_reset_length; 2337 2338 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2339 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2340 DELAY(10); 2341 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2342 } 2343 sc->tulip_phyaddr = mi->mi_phyaddr; 2344 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2345 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2346 DELAY(10); 2347 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2348 } 2349 2350 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2351 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2352 2353 mi->mi_phyaddr = TULIP_MII_NOPHY; 2354 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2355 DELAY(10000); 2356 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2357 } 2358 if (mi->mi_phyaddr == TULIP_MII_NOPHY) 2359 break; 2360 sc->tulip_features |= TULIP_HAVE_MII; 2361 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2362 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2363 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2364 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2365 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2366 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2367 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2368 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2369 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2370 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2371 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2372 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2373 mi++; 2374 break; 2375 } 2376 case 4: { /* 21143 SYM block */ 2377 tulip_media_t media; 2378 srom_media = (tulip_srom_media_t) dp[0]; 2379 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2380 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2381 break; 2382 } 2383 media = tulip_srom_mediums[idx3].sm_type; 2384 if (media == TULIP_MEDIA_UNKNOWN) 2385 break; 2386 mi->mi_type = TULIP_MEDIAINFO_SYM; 2387 sc->tulip_mediums[media] = mi; 2388 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2389 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2390 data = dp[5] + dp[6] * 256; 2391 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2392 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2393 mi->mi_actmask = 0; 2394 } else { 2395 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2396 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2397 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2398 } 2399 if (TULIP_IS_MEDIA_TP(media)) 2400 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2401 mi++; 2402 break; 2403 } 2404 #if 0 2405 case 5: { /* 21143 Reset block */ 2406 mi->mi_type = TULIP_MEDIAINFO_RESET; 2407 mi->mi_reset_length = *dp++; 2408 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2409 dp += 2 * mi->mi_reset_length; 2410 mi++; 2411 break; 2412 } 2413 #endif 2414 default: { 2415 } 2416 } 2417 dp = ep; 2418 } 2419 } 2420 return mi - sc->tulip_mediainfo; 2421 } 2422 2423 static const struct { 2424 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2425 unsigned char vendor_oui[3]; 2426 } tulip_vendors[] = { 2427 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2428 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2429 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2430 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2431 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2432 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2433 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2434 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2435 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2436 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2437 { NULL } 2438 }; 2439 2440 /* 2441 * This deals with the vagaries of the address roms and the 2442 * brain-deadness that various vendors commit in using them. 2443 */ 2444 static int 2445 tulip_read_macaddr(tulip_softc_t *sc) 2446 { 2447 u_int cksum, rom_cksum, idx; 2448 uint32_t csr; 2449 unsigned char tmpbuf[8]; 2450 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2451 2452 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2453 2454 if (sc->tulip_chipid == TULIP_21040) { 2455 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2456 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2457 int cnt = 0; 2458 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2459 cnt++; 2460 sc->tulip_rombuf[idx] = csr & 0xFF; 2461 } 2462 sc->tulip_boardsw = &tulip_21040_boardsw; 2463 } else { 2464 if (sc->tulip_chipid == TULIP_21041) { 2465 /* 2466 * Thankfully all 21041's act the same. 2467 */ 2468 sc->tulip_boardsw = &tulip_21041_boardsw; 2469 } else { 2470 /* 2471 * Assume all 21140 board are compatible with the 2472 * DEC 10/100 evaluation board. Not really valid but 2473 * it's the best we can do until every one switches to 2474 * the new SROM format. 2475 */ 2476 2477 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2478 } 2479 tulip_srom_read(sc); 2480 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2481 /* 2482 * SROM CRC is valid therefore it must be in the 2483 * new format. 2484 */ 2485 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2486 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2487 /* 2488 * No checksum is present. See if the SROM id checks out; 2489 * the first 18 bytes should be 0 followed by a 1 followed 2490 * by the number of adapters (which we don't deal with yet). 2491 */ 2492 for (idx = 0; idx < 18; idx++) { 2493 if (sc->tulip_rombuf[idx] != 0) 2494 break; 2495 } 2496 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2497 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2498 } else if (sc->tulip_chipid >= TULIP_21142) { 2499 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2500 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2501 } 2502 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2503 if (sc->tulip_chipid != TULIP_21041) 2504 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2505 2506 /* 2507 * If the SROM specifies more than one adapter, tag this as a 2508 * BASE rom. 2509 */ 2510 if (sc->tulip_rombuf[19] > 1) 2511 sc->tulip_features |= TULIP_HAVE_BASEROM; 2512 if (sc->tulip_boardsw == NULL) 2513 return -6; 2514 goto check_oui; 2515 } 2516 } 2517 2518 2519 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2520 /* 2521 * Some folks don't use the standard ethernet rom format 2522 * but instead just put the address in the first 6 bytes 2523 * of the rom and let the rest be all 0xffs. (Can we say 2524 * ZNYX?) (well sometimes they put in a checksum so we'll 2525 * start at 8). 2526 */ 2527 for (idx = 8; idx < 32; idx++) { 2528 if (sc->tulip_rombuf[idx] != 0xFF) 2529 return -4; 2530 } 2531 /* 2532 * Make sure the address is not multicast or locally assigned 2533 * that the OUI is not 00-00-00. 2534 */ 2535 if ((sc->tulip_rombuf[0] & 3) != 0) 2536 return -4; 2537 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2538 && sc->tulip_rombuf[2] == 0) 2539 return -4; 2540 bcopy(sc->tulip_rombuf, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 2541 sc->tulip_features |= TULIP_HAVE_OKROM; 2542 goto check_oui; 2543 } else { 2544 /* 2545 * A number of makers of multiport boards (ZNYX and Cogent) 2546 * only put on one address ROM on their 21040 boards. So 2547 * if the ROM is all zeros (or all 0xFFs), look at the 2548 * previous configured boards (as long as they are on the same 2549 * PCI bus and the bus number is non-zero) until we find the 2550 * master board with address ROM. We then use its address ROM 2551 * as the base for this board. (we add our relative board 2552 * to the last byte of its address). 2553 */ 2554 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2555 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2556 break; 2557 } 2558 if (idx == sizeof(sc->tulip_rombuf)) { 2559 int root_unit; 2560 tulip_softc_t *root_sc = NULL; 2561 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2562 root_sc = tulips[root_unit]; 2563 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2564 break; 2565 root_sc = NULL; 2566 } 2567 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2568 && root_sc->tulip_chipid == sc->tulip_chipid 2569 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2570 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2571 sc->tulip_boardsw = root_sc->tulip_boardsw; 2572 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2573 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2574 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2575 sizeof(sc->tulip_rombuf)); 2576 if (!tulip_srom_decode(sc)) 2577 return -5; 2578 } else { 2579 bcopy(root_sc->arpcom.ac_enaddr, sc->arpcom.ac_enaddr, 2580 ETHER_ADDR_LEN); 2581 sc->arpcom.ac_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2582 } 2583 /* 2584 * Now for a truly disgusting kludge: all 4 21040s on 2585 * the ZX314 share the same INTA line so the mapping 2586 * setup by the BIOS on the PCI bridge is worthless. 2587 * Rather than reprogramming the value in the config 2588 * register, we will handle this internally. 2589 */ 2590 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2591 sc->tulip_slaves = root_sc->tulip_slaves; 2592 root_sc->tulip_slaves = sc; 2593 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2594 } 2595 return 0; 2596 } 2597 } 2598 } 2599 2600 /* 2601 * This is the standard DEC address ROM test. 2602 */ 2603 2604 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2605 return -3; 2606 2607 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2608 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2609 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2610 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2611 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2612 return -2; 2613 2614 bcopy(sc->tulip_rombuf, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 2615 2616 cksum = *(u_int16_t *) &sc->arpcom.ac_enaddr[0]; 2617 cksum *= 2; 2618 if (cksum > 65535) cksum -= 65535; 2619 cksum += *(u_int16_t *) &sc->arpcom.ac_enaddr[2]; 2620 if (cksum > 65535) cksum -= 65535; 2621 cksum *= 2; 2622 if (cksum > 65535) cksum -= 65535; 2623 cksum += *(u_int16_t *) &sc->arpcom.ac_enaddr[4]; 2624 if (cksum >= 65535) cksum -= 65535; 2625 2626 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2627 2628 if (cksum != rom_cksum) 2629 return -1; 2630 2631 check_oui: 2632 /* 2633 * Check for various boards based on OUI. Did I say braindead? 2634 */ 2635 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2636 if (bcmp(sc->arpcom.ac_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { 2637 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2638 break; 2639 } 2640 } 2641 2642 sc->tulip_features |= TULIP_HAVE_OKROM; 2643 return 0; 2644 } 2645 2646 static void 2647 tulip_ifmedia_add(tulip_softc_t * const sc) 2648 { 2649 tulip_media_t media; 2650 int medias = 0; 2651 2652 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2653 if (sc->tulip_mediums[media] != NULL) { 2654 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2655 0, 0); 2656 medias++; 2657 } 2658 } 2659 if (medias == 0) { 2660 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2661 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2662 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2663 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2664 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2665 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2666 } else { 2667 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2668 sc->tulip_flags |= TULIP_PRINTMEDIA; 2669 tulip_linkup(sc, sc->tulip_media); 2670 } 2671 } 2672 2673 static int 2674 tulip_ifmedia_change(struct ifnet *ifp) 2675 { 2676 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 2677 2678 sc->tulip_flags |= TULIP_NEEDRESET; 2679 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2680 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2681 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2682 tulip_media_t media; 2683 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2684 if (sc->tulip_mediums[media] != NULL 2685 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2686 sc->tulip_flags |= TULIP_PRINTMEDIA; 2687 sc->tulip_flags &= ~TULIP_DIDNWAY; 2688 tulip_linkup(sc, media); 2689 return 0; 2690 } 2691 } 2692 } 2693 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2694 tulip_reset(sc); 2695 tulip_init(sc); 2696 return 0; 2697 } 2698 2699 /* 2700 * Media status callback 2701 */ 2702 static void 2703 tulip_ifmedia_status(struct ifnet *ifp, struct ifmediareq *req) 2704 { 2705 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 2706 2707 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 2708 return; 2709 2710 req->ifm_status = IFM_AVALID; 2711 if (sc->tulip_flags & TULIP_LINKUP) 2712 req->ifm_status |= IFM_ACTIVE; 2713 2714 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 2715 } 2716 2717 static void 2718 tulip_addr_filter(tulip_softc_t *sc) 2719 { 2720 struct ifmultiaddr *ifma; 2721 struct ifnet *ifp; 2722 u_char *addrp; 2723 int multicnt; 2724 2725 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 2726 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 2727 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 2728 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 2729 #if defined(IFF_ALLMULTI) 2730 if (sc->arpcom.ac_if.if_flags & IFF_ALLMULTI) 2731 sc->tulip_flags |= TULIP_ALLMULTI ; 2732 #endif 2733 2734 multicnt = 0; 2735 ifp = &sc->arpcom.ac_if; 2736 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 2737 if (ifma->ifma_addr->sa_family == AF_LINK) 2738 multicnt++; 2739 } 2740 2741 if (multicnt > 14) { 2742 uint32_t *sp = sc->tulip_setupdata; 2743 u_int hash; 2744 /* 2745 * Some early passes of the 21140 have broken implementations of 2746 * hash-perfect mode. When we get too many multicasts for perfect 2747 * filtering with these chips, we need to switch into hash-only 2748 * mode (this is better than all-multicast on network with lots 2749 * of multicast traffic). 2750 */ 2751 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 2752 sc->tulip_flags |= TULIP_WANTHASHONLY; 2753 else 2754 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 2755 /* 2756 * If we have more than 14 multicasts, we have 2757 * go into hash perfect mode (512 bit multicast 2758 * hash and one perfect hardware). 2759 */ 2760 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 2761 2762 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 2763 if (ifma->ifma_addr->sa_family != AF_LINK) 2764 continue; 2765 2766 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 2767 sp[hash >> 4] |= htole32(1 << (hash & 0xF)); 2768 } 2769 /* 2770 * No reason to use a hash if we are going to be 2771 * receiving every multicast. 2772 */ 2773 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2774 hash = tulip_mchash(ifp->if_broadcastaddr); 2775 sp[hash >> 4] |= htole32(1 << (hash & 0xF)); 2776 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 2777 hash = tulip_mchash(sc->arpcom.ac_enaddr); 2778 sp[hash >> 4] |= htole32(1 << (hash & 0xF)); 2779 } else { 2780 sp[39] = TULIP_SP_MAC(((u_int16_t *)sc->arpcom.ac_enaddr)[0]); 2781 sp[40] = TULIP_SP_MAC(((u_int16_t *)sc->arpcom.ac_enaddr)[1]); 2782 sp[41] = TULIP_SP_MAC(((u_int16_t *)sc->arpcom.ac_enaddr)[2]); 2783 } 2784 } 2785 } 2786 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 2787 uint32_t *sp = sc->tulip_setupdata; 2788 int idx = 0; 2789 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2790 /* 2791 * Else can get perfect filtering for 16 addresses. 2792 */ 2793 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 2794 if (ifma->ifma_addr->sa_family != AF_LINK) 2795 continue; 2796 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 2797 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[0]); 2798 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[1]); 2799 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[2]); 2800 idx++; 2801 } 2802 /* 2803 * Add the broadcast address. 2804 */ 2805 idx++; 2806 *sp++ = TULIP_SP_MAC(0xFFFF); 2807 *sp++ = TULIP_SP_MAC(0xFFFF); 2808 *sp++ = TULIP_SP_MAC(0xFFFF); 2809 } 2810 /* 2811 * Pad the rest with our hardware address 2812 */ 2813 for (; idx < 16; idx++) { 2814 *sp++ = TULIP_SP_MAC(((u_int16_t *)sc->arpcom.ac_enaddr)[0]); 2815 *sp++ = TULIP_SP_MAC(((u_int16_t *)sc->arpcom.ac_enaddr)[1]); 2816 *sp++ = TULIP_SP_MAC(((u_int16_t *)sc->arpcom.ac_enaddr)[2]); 2817 } 2818 } 2819 #if defined(IFF_ALLMULTI) 2820 if (sc->tulip_flags & TULIP_ALLMULTI) 2821 sc->arpcom.ac_if.if_flags |= IFF_ALLMULTI; 2822 #endif 2823 } 2824 2825 static void 2826 tulip_reset(tulip_softc_t *sc) 2827 { 2828 tulip_ringinfo_t *ri; 2829 tulip_descinfo_t *di; 2830 struct mbuf *m; 2831 uint32_t inreset = (sc->tulip_flags & TULIP_INRESET); 2832 2833 /* 2834 * Brilliant. Simply brilliant. When switching modes/speeds 2835 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 2836 * bits in CSR6 and then do a software reset to get the 21140 2837 * to properly reset its internal pathways to the right places. 2838 * Grrrr. 2839 */ 2840 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 2841 && sc->tulip_boardsw->bd_media_preset != NULL) 2842 (*sc->tulip_boardsw->bd_media_preset)(sc); 2843 2844 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 2845 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 2846 33MHz that comes to two microseconds but wait a 2847 bit longer anyways) */ 2848 2849 if (!inreset) { 2850 sc->tulip_flags |= TULIP_INRESET; 2851 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 2852 ifq_clr_oactive(&sc->arpcom.ac_if.if_snd); 2853 } 2854 2855 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txinfo.ri_dma_addr & 0xffffffff); 2856 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxinfo.ri_dma_addr & 0xffffffff); 2857 TULIP_CSR_WRITE(sc, csr_busmode, 2858 (1 << (3 /*pci_max_burst_len*/ + 8)) 2859 |TULIP_BUSMODE_CACHE_ALIGN8 2860 |TULIP_BUSMODE_READMULTIPLE 2861 |(BYTE_ORDER != LITTLE_ENDIAN ? 2862 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 2863 2864 sc->tulip_txtimer = 0; 2865 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 2866 /* 2867 * Free all the mbufs that were on the transmit ring. 2868 */ 2869 ri = &sc->tulip_txinfo; 2870 for (di = ri->ri_first; di < ri->ri_last; di++) { 2871 m = tulip_dequeue_mbuf(ri, di, SYNC_NONE); 2872 if (m != NULL) 2873 m_freem(m); 2874 di->di_desc->d_status = 0; 2875 } 2876 2877 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 2878 ri->ri_free = ri->ri_max; 2879 TULIP_TXDESC_PRESYNC(ri); 2880 2881 /* 2882 * We need to collect all the mbufs that were on the 2883 * receive ring before we reinit it either to put 2884 * them back on or to know if we have to allocate 2885 * more. 2886 */ 2887 ri = &sc->tulip_rxinfo; 2888 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 2889 ri->ri_free = ri->ri_max; 2890 for (di = ri->ri_first; di < ri->ri_last; di++) { 2891 di->di_desc->d_status = 0; 2892 di->di_desc->d_length1 = 0; di->di_desc->d_addr1 = 0; 2893 di->di_desc->d_length2 = 0; di->di_desc->d_addr2 = 0; 2894 } 2895 TULIP_RXDESC_PRESYNC(ri); 2896 for (di = ri->ri_first; di < ri->ri_last; di++) { 2897 m = tulip_dequeue_mbuf(ri, di, SYNC_NONE); 2898 if (m != NULL) 2899 m_freem(m); 2900 } 2901 2902 /* 2903 * If tulip_reset is being called recursively, exit quickly knowing 2904 * that when the outer tulip_reset returns all the right stuff will 2905 * have happened. 2906 */ 2907 if (inreset) 2908 return; 2909 2910 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 2911 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 2912 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 2913 |TULIP_STS_RXSTOPPED; 2914 2915 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 2916 (*sc->tulip_boardsw->bd_media_select)(sc); 2917 tulip_media_print(sc); 2918 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 2919 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 2920 2921 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 2922 |TULIP_RXACT); 2923 tulip_addr_filter(sc); 2924 } 2925 2926 static void 2927 tulip_init(tulip_softc_t * const sc) 2928 { 2929 if (sc->arpcom.ac_if.if_flags & IFF_UP) { 2930 if ((sc->arpcom.ac_if.if_flags & IFF_RUNNING) == 0) { 2931 /* initialize the media */ 2932 tulip_reset(sc); 2933 } 2934 sc->arpcom.ac_if.if_flags |= IFF_RUNNING; 2935 if (sc->arpcom.ac_if.if_flags & IFF_PROMISC) { 2936 sc->tulip_flags |= TULIP_PROMISC; 2937 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 2938 sc->tulip_intrmask |= TULIP_STS_TXINTR; 2939 } else { 2940 sc->tulip_flags &= ~TULIP_PROMISC; 2941 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 2942 if (sc->tulip_flags & TULIP_ALLMULTI) { 2943 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 2944 } else { 2945 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 2946 } 2947 } 2948 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 2949 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 2950 tulip_rx_intr(sc); 2951 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 2952 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 2953 } else { 2954 ifq_set_oactive(&sc->arpcom.ac_if.if_snd); 2955 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 2956 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 2957 } 2958 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 2959 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 2960 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 2961 tulip_txput_setup(sc); 2962 } else { 2963 sc->arpcom.ac_if.if_flags &= ~IFF_RUNNING; 2964 tulip_reset(sc); 2965 } 2966 } 2967 2968 #define DESC_STATUS(di) (((volatile tulip_desc_t *)((di)->di_desc))->d_status) 2969 #define DESC_FLAG(di) ((di)->di_desc->d_flag) 2970 2971 static void 2972 tulip_rx_intr(tulip_softc_t *sc) 2973 { 2974 tulip_ringinfo_t *ri = &sc->tulip_rxinfo; 2975 struct ifnet *ifp = &sc->arpcom.ac_if; 2976 int fillok = 1; 2977 2978 for (;;) { 2979 tulip_descinfo_t *eop = ri->ri_nextin, *dip; 2980 int total_len = 0, last_offset = 0; 2981 struct mbuf *ms = NULL, *me = NULL; 2982 int accept = 0; 2983 int error; 2984 2985 if (fillok && (ri->ri_max - ri->ri_free) < TULIP_RXQ_TARGET) 2986 goto queue_mbuf; 2987 2988 /* 2989 * If the TULIP has no descriptors, there can't be any receive 2990 * descriptors to process. 2991 */ 2992 if (eop == ri->ri_nextout) 2993 break; 2994 2995 /* 2996 * 90% of the packets will fit in one descriptor. So we optimize 2997 * for that case. 2998 */ 2999 TULIP_RXDESC_POSTSYNC(ri); 3000 if ((DESC_STATUS(eop) & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3001 ms = tulip_dequeue_mbuf(ri, eop, SYNC_RX); 3002 me = ms; 3003 ri->ri_free++; 3004 } else { 3005 /* 3006 * If still owned by the TULIP, don't touch it. 3007 */ 3008 if (DESC_STATUS(eop) & TULIP_DSTS_OWNER) 3009 break; 3010 3011 /* 3012 * It is possible (though improbable unless MCLBYTES < 1518) for 3013 * a received packet to cross more than one receive descriptor. 3014 * We first loop through the descriptor ring making sure we have 3015 * received a complete packet. If not, we bail until the next 3016 * interrupt. 3017 */ 3018 dip = eop; 3019 while ((DESC_STATUS(eop) & TULIP_DSTS_RxLASTDESC) == 0) { 3020 if (++eop == ri->ri_last) 3021 eop = ri->ri_first; 3022 TULIP_RXDESC_POSTSYNC(ri); 3023 if (eop == ri->ri_nextout || (DESC_STATUS(eop) & TULIP_DSTS_OWNER)) { 3024 return; 3025 } 3026 total_len++; 3027 } 3028 3029 /* 3030 * Dequeue the first buffer for the start of the packet. Hopefully 3031 * this will be the only one we need to dequeue. However, if the 3032 * packet consumed multiple descriptors, then we need to dequeue 3033 * those buffers and chain to the starting mbuf. All buffers but 3034 * the last buffer have the same length so we can set that now. 3035 * (we add to last_offset instead of multiplying since we normally 3036 * won't go into the loop and thereby saving ourselves from 3037 * doing a multiplication by 0 in the normal case). 3038 */ 3039 ms = tulip_dequeue_mbuf(ri, dip, SYNC_RX); 3040 ri->ri_free++; 3041 for (me = ms; total_len > 0; total_len--) { 3042 me->m_len = TULIP_RX_BUFLEN; 3043 last_offset += TULIP_RX_BUFLEN; 3044 if (++dip == ri->ri_last) 3045 dip = ri->ri_first; 3046 me->m_next = tulip_dequeue_mbuf(ri, dip, SYNC_RX); 3047 ri->ri_free++; 3048 me = me->m_next; 3049 } 3050 KASSERT(dip == eop, ("mismatched descinfo structs")); 3051 } 3052 3053 /* 3054 * Now get the size of received packet (minus the CRC). 3055 */ 3056 total_len = ((DESC_STATUS(eop) >> 16) & 0x7FFF) - ETHER_CRC_LEN; 3057 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3058 && ((DESC_STATUS(eop) & TULIP_DSTS_ERRSUM) == 0)) { 3059 me->m_len = total_len - last_offset; 3060 sc->tulip_flags |= TULIP_RXACT; 3061 accept = 1; 3062 } else { 3063 IFNET_STAT_INC(ifp, ierrors, 1); 3064 if (DESC_STATUS(eop) & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3065 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3066 } else { 3067 if (DESC_STATUS(eop) & TULIP_DSTS_RxTOOLONG) { 3068 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3069 } 3070 if (DESC_STATUS(eop) & TULIP_DSTS_RxBADCRC) { 3071 if (DESC_STATUS(eop) & TULIP_DSTS_RxDRBBLBIT) { 3072 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3073 } else { 3074 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3075 } 3076 } 3077 } 3078 } 3079 IFNET_STAT_INC(ifp, ipackets, 1); 3080 if (++eop == ri->ri_last) 3081 eop = ri->ri_first; 3082 ri->ri_nextin = eop; 3083 queue_mbuf: 3084 /* 3085 * We have received a good packet that needs to be passed up the 3086 * stack. 3087 */ 3088 if (accept) { 3089 struct mbuf *m0; 3090 3091 KASSERT(ms != NULL, ("no packet to accept")); 3092 /* 3093 * Update the header for the mbuf referencing this receive 3094 * buffer and pass it up the stack. Allocate a new mbuf cluster 3095 * to replace the one we just passed up the stack. 3096 * 3097 * Note that if this packet crossed multiple descriptors 3098 * we don't even try to reallocate all the mbufs here. 3099 * Instead we rely on the test at the beginning of 3100 * the loop to refill for the extra consumed mbufs. 3101 */ 3102 ms->m_pkthdr.len = total_len; 3103 ms->m_pkthdr.rcvif = ifp; 3104 m0 = ms; 3105 ifp->if_input(ifp, m0, NULL, -1); 3106 ms = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 3107 } else if (ms == NULL) { 3108 /* 3109 * If we are priming the TULIP with mbufs, then allocate 3110 * a new cluster for the next descriptor. 3111 */ 3112 ms = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 3113 } 3114 if (ms == NULL) { 3115 /* 3116 * Couldn't allocate a new buffer. Don't bother 3117 * trying to replenish the receive queue. 3118 */ 3119 fillok = 0; 3120 sc->tulip_flags |= TULIP_RXBUFSLOW; 3121 continue; 3122 } 3123 /* 3124 * Now give the buffer(s) to the TULIP and save in our 3125 * receive queue. 3126 */ 3127 do { 3128 tulip_descinfo_t * const nextout = ri->ri_nextout; 3129 3130 M_ASSERTPKTHDR(ms); 3131 KASSERT(ms->m_data == ms->m_ext.ext_buf, 3132 ("rx mbuf data doesn't point to cluster")); 3133 ms->m_len = ms->m_pkthdr.len = TULIP_RX_BUFLEN; 3134 error = bus_dmamap_load_mbuf(ri->ri_data_tag, *nextout->di_map, ms, 3135 tulip_dma_map_rxbuf, nextout->di_desc, BUS_DMA_NOWAIT); 3136 if (error) { 3137 device_printf(sc->tulip_dev, 3138 "unable to load rx map, error = %d\n", error); 3139 panic("tulip_rx_intr"); /* XXX */ 3140 } 3141 nextout->di_desc->d_status = TULIP_DSTS_OWNER; 3142 KASSERT(nextout->di_mbuf == NULL, ("clobbering earlier rx mbuf")); 3143 nextout->di_mbuf = ms; 3144 TULIP_RXDESC_POSTSYNC(ri); 3145 if (++ri->ri_nextout == ri->ri_last) 3146 ri->ri_nextout = ri->ri_first; 3147 ri->ri_free--; 3148 me = ms->m_next; 3149 ms->m_next = NULL; 3150 } while ((ms = me) != NULL); 3151 3152 if ((ri->ri_max - ri->ri_free) >= TULIP_RXQ_TARGET) 3153 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3154 } 3155 } 3156 3157 static int 3158 tulip_tx_intr(tulip_softc_t *sc) 3159 { 3160 tulip_ringinfo_t *ri = &sc->tulip_txinfo; 3161 struct mbuf *m; 3162 int xmits = 0; 3163 int descs = 0; 3164 3165 while (ri->ri_free < ri->ri_max) { 3166 uint32_t d_flag; 3167 3168 TULIP_TXDESC_POSTSYNC(ri); 3169 if (DESC_STATUS(ri->ri_nextin) & TULIP_DSTS_OWNER) 3170 break; 3171 3172 ri->ri_free++; 3173 descs++; 3174 d_flag = DESC_FLAG(ri->ri_nextin); 3175 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3176 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3177 /* 3178 * We've just finished processing a setup packet. 3179 * Mark that we finished it. If there's not 3180 * another pending, startup the TULIP receiver. 3181 * Make sure we ack the RXSTOPPED so we won't get 3182 * an abormal interrupt indication. 3183 */ 3184 bus_dmamap_sync(sc->tulip_setup_tag, sc->tulip_setup_map, 3185 BUS_DMASYNC_POSTWRITE); 3186 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3187 if (DESC_FLAG(ri->ri_nextin) & TULIP_DFLAG_TxINVRSFILT) 3188 sc->tulip_flags |= TULIP_HASHONLY; 3189 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3190 tulip_rx_intr(sc); 3191 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3192 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3193 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3194 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3195 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3196 } 3197 } else { 3198 const uint32_t d_status = DESC_STATUS(ri->ri_nextin); 3199 m = tulip_dequeue_mbuf(ri, ri->ri_nextin, SYNC_TX); 3200 if (m != NULL) { 3201 m_freem(m); 3202 } 3203 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3204 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3205 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3206 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3207 } 3208 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3209 /* 3210 * Escape from the loop before media poll has reset the TULIP! 3211 */ 3212 break; 3213 } else { 3214 xmits++; 3215 if (d_status & TULIP_DSTS_ERRSUM) { 3216 IFNET_STAT_INC(&sc->arpcom.ac_if, oerrors, 1); 3217 if (d_status & TULIP_DSTS_TxEXCCOLL) 3218 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3219 if (d_status & TULIP_DSTS_TxLATECOLL) 3220 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3221 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3222 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3223 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3224 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3225 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3226 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3227 if (d_status & TULIP_DSTS_TxBABBLE) 3228 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3229 } else { 3230 u_int32_t collisions = 3231 (d_status & TULIP_DSTS_TxCOLLMASK) 3232 >> TULIP_DSTS_V_TxCOLLCNT; 3233 IFNET_STAT_INC(&sc->arpcom.ac_if, collisions, collisions); 3234 if (collisions == 1) 3235 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3236 else if (collisions > 1) 3237 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3238 else if (d_status & TULIP_DSTS_TxDEFERRED) 3239 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3240 /* 3241 * SQE is only valid for 10baseT/BNC/AUI when not 3242 * running in full-duplex. In order to speed up the 3243 * test, the corresponding bit in tulip_flags needs to 3244 * set as well to get us to count SQE Test Errors. 3245 */ 3246 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3247 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3248 } 3249 } 3250 } 3251 } 3252 3253 if (++ri->ri_nextin == ri->ri_last) 3254 ri->ri_nextin = ri->ri_first; 3255 3256 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3257 ifq_clr_oactive(&sc->arpcom.ac_if.if_snd); 3258 } 3259 /* 3260 * If nothing left to transmit, disable the timer. 3261 * Else if progress, reset the timer back to 2 ticks. 3262 */ 3263 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3264 sc->tulip_txtimer = 0; 3265 else if (xmits > 0) 3266 sc->tulip_txtimer = TULIP_TXTIMER; 3267 IFNET_STAT_INC(&sc->arpcom.ac_if, opackets, xmits); 3268 return descs; 3269 } 3270 3271 static void 3272 tulip_print_abnormal_interrupt(tulip_softc_t *sc, uint32_t csr) 3273 { 3274 const char * const *msgp = tulip_status_bits; 3275 const char *sep; 3276 uint32_t mask; 3277 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3278 3279 csr &= (1 << (NELEM(tulip_status_bits))) - 1; 3280 if_printf(&sc->arpcom.ac_if, "abnormal interrupt:"); 3281 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3282 if ((csr & mask) && *msgp != NULL) { 3283 kprintf("%s%s", sep, *msgp); 3284 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3285 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3286 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3287 kprintf(" (switching to store-and-forward mode)"); 3288 } else { 3289 kprintf(" (raising TX threshold to %s)", 3290 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3291 } 3292 } 3293 sep = ", "; 3294 } 3295 } 3296 kprintf("\n"); 3297 } 3298 3299 static void 3300 tulip_intr_handler(tulip_softc_t *sc) 3301 { 3302 uint32_t csr; 3303 3304 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3305 TULIP_CSR_WRITE(sc, csr_status, csr); 3306 3307 if (csr & TULIP_STS_SYSERROR) { 3308 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3309 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3310 sc->tulip_flags |= TULIP_SYSTEMERROR; 3311 } else { 3312 if_printf(&sc->arpcom.ac_if, "system error: %s\n", 3313 tulip_system_errors[sc->tulip_last_system_error]); 3314 } 3315 sc->tulip_flags |= TULIP_NEEDRESET; 3316 sc->tulip_system_errors++; 3317 break; 3318 } 3319 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3320 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3321 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3322 ? TULIP_MEDIAPOLL_LINKFAIL 3323 : TULIP_MEDIAPOLL_LINKPASS); 3324 csr &= ~TULIP_STS_ABNRMLINTR; 3325 } 3326 tulip_media_print(sc); 3327 } 3328 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3329 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3330 if (csr & TULIP_STS_RXNOBUF) 3331 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3332 /* 3333 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3334 * on receive overflows. 3335 */ 3336 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3337 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3338 /* 3339 * Stop the receiver process and spin until it's stopped. 3340 * Tell rx_intr to drop the packets it dequeues. 3341 */ 3342 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3343 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3344 ; 3345 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3346 sc->tulip_flags |= TULIP_RXIGNORE; 3347 } 3348 tulip_rx_intr(sc); 3349 if (sc->tulip_flags & TULIP_RXIGNORE) { 3350 /* 3351 * Restart the receiver. 3352 */ 3353 sc->tulip_flags &= ~TULIP_RXIGNORE; 3354 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3355 } 3356 } 3357 if (csr & TULIP_STS_ABNRMLINTR) { 3358 u_int32_t tmp = csr & sc->tulip_intrmask 3359 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3360 if (csr & TULIP_STS_TXUNDERFLOW) { 3361 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3362 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3363 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3364 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3365 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3366 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3367 } 3368 } 3369 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3370 sc->tulip_statusbits |= tmp; 3371 } else { 3372 tulip_print_abnormal_interrupt(sc, tmp); 3373 sc->tulip_flags |= TULIP_NOMESSAGES; 3374 } 3375 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3376 } 3377 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3378 tulip_tx_intr(sc); 3379 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3380 if_devstart(&sc->arpcom.ac_if); 3381 } 3382 } 3383 if (sc->tulip_flags & TULIP_NEEDRESET) { 3384 tulip_reset(sc); 3385 tulip_init(sc); 3386 } 3387 } 3388 3389 static void 3390 tulip_intr_shared(void *arg) 3391 { 3392 tulip_softc_t *sc; 3393 3394 for (sc = arg; sc != NULL; sc = sc->tulip_slaves) 3395 tulip_intr_handler(sc); 3396 } 3397 3398 static void 3399 tulip_intr_normal(void *arg) 3400 { 3401 tulip_softc_t *sc = (tulip_softc_t *)arg; 3402 3403 tulip_intr_handler(sc); 3404 } 3405 3406 static struct mbuf * 3407 tulip_txput(tulip_softc_t *sc, struct mbuf *m) 3408 { 3409 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3410 tulip_descinfo_t *eop, *nextout; 3411 int segcnt, free; 3412 uint32_t d_status; 3413 bus_dma_segment_t segs[TULIP_MAX_TXSEG]; 3414 bus_dmamap_t *map; 3415 int error, nsegs; 3416 struct mbuf *m0; 3417 3418 /* 3419 * Now we try to fill in our transmit descriptors. This is 3420 * a bit reminiscent of going on the Ark two by two 3421 * since each descriptor for the TULIP can describe 3422 * two buffers. So we advance through packet filling 3423 * each of the two entries at a time to to fill each 3424 * descriptor. Clear the first and last segment bits 3425 * in each descriptor (actually just clear everything 3426 * but the end-of-ring or chain bits) to make sure 3427 * we don't get messed up by previously sent packets. 3428 * 3429 * We may fail to put the entire packet on the ring if 3430 * there is either not enough ring entries free or if the 3431 * packet has more than MAX_TXSEG segments. In the former 3432 * case we will just wait for the ring to empty. In the 3433 * latter case we have to recopy. 3434 */ 3435 m0 = m; 3436 d_status = 0; 3437 eop = nextout = ri->ri_nextout; 3438 segcnt = 0; 3439 free = ri->ri_free; 3440 3441 /* 3442 * Reclaim some tx descriptors if we are out since we need at least one 3443 * free descriptor so that we have a dma_map to load the mbuf. 3444 */ 3445 if (free == 0) { 3446 free += tulip_tx_intr(sc); 3447 } 3448 if (free == 0) { 3449 sc->tulip_flags |= TULIP_WANTTXSTART; 3450 goto finish; 3451 } 3452 error = bus_dmamap_load_mbuf_segment(ri->ri_data_tag, *eop->di_map, m, segs, 3453 1, &nsegs, BUS_DMA_NOWAIT); 3454 if (error != 0) { 3455 if (error == EFBIG) { 3456 /* 3457 * The packet exceeds the number of transmit buffer 3458 * entries that we can use for one packet, so we have 3459 * to recopy it into one mbuf and then try again. If 3460 * we can't recopy it, try again later. 3461 */ 3462 m0 = m_defrag(m, M_NOWAIT); 3463 if (m0 == NULL) { 3464 sc->tulip_flags |= TULIP_WANTTXSTART; 3465 goto finish; 3466 } 3467 m = m0; 3468 error = bus_dmamap_load_mbuf_segment(ri->ri_data_tag, *eop->di_map, 3469 m, segs, 1, &nsegs, BUS_DMA_NOWAIT); 3470 } 3471 if (error != 0) { 3472 device_printf(sc->tulip_dev, 3473 "unable to load tx map, error = %d\n", error); 3474 goto finish; 3475 } 3476 } 3477 /* 3478 * Each descriptor allows for up to 2 fragments since we don't use 3479 * the descriptor chaining mode in this driver. 3480 */ 3481 if ((free -= (nsegs + 1) / 2) <= 0 3482 /* 3483 * See if there's any unclaimed space in the transmit ring. 3484 */ 3485 && (free += tulip_tx_intr(sc)) <= 0) { 3486 /* 3487 * There's no more room but since nothing 3488 * has been committed at this point, just 3489 * show output is active, put back the 3490 * mbuf and return. 3491 */ 3492 sc->tulip_flags |= TULIP_WANTTXSTART; 3493 bus_dmamap_unload(ri->ri_data_tag, *eop->di_map); 3494 goto finish; 3495 } 3496 for (; nsegs - segcnt > 1; segcnt += 2) { 3497 eop = nextout; 3498 eop->di_desc->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3499 eop->di_desc->d_status = d_status; 3500 eop->di_desc->d_addr1 = segs[segcnt].ds_addr & 0xffffffff; 3501 eop->di_desc->d_length1 = segs[segcnt].ds_len; 3502 eop->di_desc->d_addr2 = segs[segcnt+1].ds_addr & 0xffffffff; 3503 eop->di_desc->d_length2 = segs[segcnt+1].ds_len; 3504 d_status = TULIP_DSTS_OWNER; 3505 if (++nextout == ri->ri_last) 3506 nextout = ri->ri_first; 3507 } 3508 if (segcnt < nsegs) { 3509 eop = nextout; 3510 eop->di_desc->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3511 eop->di_desc->d_status = d_status; 3512 eop->di_desc->d_addr1 = segs[segcnt].ds_addr & 0xffffffff; 3513 eop->di_desc->d_length1 = segs[segcnt].ds_len; 3514 eop->di_desc->d_addr2 = 0; 3515 eop->di_desc->d_length2 = 0; 3516 if (++nextout == ri->ri_last) 3517 nextout = ri->ri_first; 3518 } 3519 3520 /* 3521 * tulip_tx_intr() harvests the mbuf from the last descriptor in the 3522 * frame. We just used the dmamap in the first descriptor for the 3523 * load operation however. Thus, to let the tulip_dequeue_mbuf() call 3524 * in tulip_tx_intr() unload the correct dmamap, we swap the dmamap 3525 * pointers in the two descriptors if this is a multiple-descriptor 3526 * packet. 3527 */ 3528 if (eop != ri->ri_nextout) { 3529 map = eop->di_map; 3530 eop->di_map = ri->ri_nextout->di_map; 3531 ri->ri_nextout->di_map = map; 3532 } 3533 3534 /* 3535 * bounce a copy to the bpf listener, if any. 3536 */ 3537 if (!(sc->tulip_flags & TULIP_DEVICEPROBE)) 3538 BPF_MTAP(&sc->arpcom.ac_if, m); 3539 3540 /* 3541 * The descriptors have been filled in. Now get ready 3542 * to transmit. 3543 */ 3544 KASSERT(eop->di_mbuf == NULL, ("clobbering earlier tx mbuf")); 3545 eop->di_mbuf = m; 3546 TULIP_TXMAP_PRESYNC(ri, ri->ri_nextout); 3547 m = NULL; 3548 3549 /* 3550 * Make sure the next descriptor after this packet is owned 3551 * by us since it may have been set up above if we ran out 3552 * of room in the ring. 3553 */ 3554 DESC_STATUS(nextout) = 0; 3555 TULIP_TXDESC_PRESYNC(ri); 3556 3557 /* 3558 * Mark the last and first segments, indicate we want a transmit 3559 * complete interrupt, and tell it to transmit! 3560 */ 3561 DESC_FLAG(eop) |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 3562 3563 /* 3564 * Note that ri->ri_nextout is still the start of the packet 3565 * and until we set the OWNER bit, we can still back out of 3566 * everything we have done. 3567 */ 3568 DESC_FLAG(ri->ri_nextout) |= TULIP_DFLAG_TxFIRSTSEG; 3569 TULIP_TXDESC_PRESYNC(ri); 3570 DESC_STATUS(ri->ri_nextout) = TULIP_DSTS_OWNER; 3571 TULIP_TXDESC_PRESYNC(ri); 3572 3573 /* 3574 * This advances the ring for us. 3575 */ 3576 ri->ri_nextout = nextout; 3577 ri->ri_free = free; 3578 3579 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3580 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3581 ifq_set_oactive(&sc->arpcom.ac_if.if_snd); 3582 return NULL; 3583 } 3584 3585 /* 3586 * switch back to the single queueing ifstart. 3587 */ 3588 sc->tulip_flags &= ~TULIP_WANTTXSTART; 3589 if (sc->tulip_txtimer == 0) 3590 sc->tulip_txtimer = TULIP_TXTIMER; 3591 3592 /* 3593 * If we want a txstart, there must be not enough space in the 3594 * transmit ring. So we want to enable transmit done interrupts 3595 * so we can immediately reclaim some space. When the transmit 3596 * interrupt is posted, the interrupt handler will call tx_intr 3597 * to reclaim space and then txstart (since WANTTXSTART is set). 3598 * txstart will move the packet into the transmit ring and clear 3599 * WANTTXSTART thereby causing TXINTR to be cleared. 3600 */ 3601 finish: 3602 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 3603 ifq_set_oactive(&sc->arpcom.ac_if.if_snd); 3604 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 3605 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3606 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3607 } 3608 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 3609 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 3610 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 3611 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3612 } 3613 } 3614 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3615 return m; 3616 } 3617 3618 static void 3619 tulip_txput_setup(tulip_softc_t *sc) 3620 { 3621 tulip_ringinfo_t *ri = &sc->tulip_txinfo; 3622 tulip_desc_t *nextout; 3623 3624 /* 3625 * We will transmit, at most, one setup packet per call to ifstart. 3626 */ 3627 3628 /* 3629 * Try to reclaim some free descriptors.. 3630 */ 3631 if (ri->ri_free < 2) 3632 tulip_tx_intr(sc); 3633 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 3634 sc->tulip_flags |= TULIP_WANTTXSTART; 3635 return; 3636 } 3637 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 3638 sizeof(sc->tulip_setupdata)); 3639 /* 3640 * Clear WANTSETUP and set DOINGSETUP. Since we know that WANTSETUP is 3641 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 3642 */ 3643 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 3644 ri->ri_free--; 3645 nextout = ri->ri_nextout->di_desc; 3646 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3647 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 3648 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 3649 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 3650 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 3651 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 3652 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 3653 3654 nextout->d_length2 = 0; 3655 nextout->d_addr2 = 0; 3656 nextout->d_length1 = sizeof(sc->tulip_setupdata); 3657 nextout->d_addr1 = sc->tulip_setup_dma_addr & 0xffffffff; 3658 bus_dmamap_sync(sc->tulip_setup_tag, sc->tulip_setup_map, 3659 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3660 TULIP_TXDESC_PRESYNC(ri); 3661 3662 /* 3663 * Advance the ring for the next transmit packet. 3664 */ 3665 if (++ri->ri_nextout == ri->ri_last) 3666 ri->ri_nextout = ri->ri_first; 3667 3668 /* 3669 * Make sure the next descriptor is owned by us since it 3670 * may have been set up above if we ran out of room in the 3671 * ring. 3672 */ 3673 DESC_STATUS(ri->ri_nextout) = 0; 3674 TULIP_TXDESC_PRESYNC(ri); 3675 nextout->d_status = TULIP_DSTS_OWNER; 3676 /* 3677 * Flush the ownwership of the current descriptor 3678 */ 3679 TULIP_TXDESC_PRESYNC(ri); 3680 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3681 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 3682 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3683 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3684 } 3685 } 3686 3687 static int 3688 tulip_ifioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred * cr) 3689 { 3690 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 3691 struct ifreq *ifr = (struct ifreq *)data; 3692 int error = 0; 3693 3694 switch (cmd) { 3695 case SIOCGIFADDR: { 3696 bcopy((caddr_t) sc->arpcom.ac_enaddr, 3697 (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data, 3698 ETHER_ADDR_LEN); 3699 break; 3700 } 3701 3702 case SIOCSIFFLAGS: { 3703 tulip_addr_filter(sc); /* reinit multicast filter */ 3704 tulip_init(sc); 3705 break; 3706 } 3707 3708 case SIOCSIFMEDIA: 3709 case SIOCGIFMEDIA: { 3710 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 3711 break; 3712 } 3713 3714 case SIOCADDMULTI: 3715 case SIOCDELMULTI: { 3716 /* 3717 * Update multicast listeners 3718 */ 3719 tulip_addr_filter(sc); /* reset multicast filtering */ 3720 tulip_init(sc); 3721 error = 0; 3722 break; 3723 } 3724 3725 case SIOCSIFMTU: 3726 /* 3727 * Set the interface MTU. 3728 */ 3729 if (ifr->ifr_mtu > ETHERMTU 3730 ) { 3731 error = EINVAL; 3732 break; 3733 } 3734 ifp->if_mtu = ifr->ifr_mtu; 3735 break; 3736 3737 #ifdef SIOCGADDRROM 3738 case SIOCGADDRROM: { 3739 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 3740 break; 3741 } 3742 #endif 3743 #ifdef SIOCGCHIPID 3744 case SIOCGCHIPID: { 3745 ifr->ifr_metric = (int) sc->tulip_chipid; 3746 break; 3747 } 3748 #endif 3749 default: { 3750 error = ether_ioctl(ifp, cmd, data); 3751 break; 3752 } 3753 } 3754 return error; 3755 } 3756 3757 static void 3758 tulip_ifinit(void *xsc) 3759 { 3760 tulip_softc_t *sc = xsc; 3761 3762 tulip_addr_filter(sc); /* reinit multicast filter */ 3763 tulip_init(sc); 3764 } 3765 3766 static void 3767 tulip_ifstart(struct ifnet *ifp, struct ifaltq_subque *ifsq) 3768 { 3769 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 3770 3771 ASSERT_ALTQ_SQ_DEFAULT(ifp, ifsq); 3772 if (sc->arpcom.ac_if.if_flags & IFF_RUNNING) { 3773 3774 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3775 tulip_txput_setup(sc); 3776 3777 while (!ifq_is_empty(&sc->arpcom.ac_if.if_snd)) { 3778 struct mbuf *m; 3779 3780 m = ifq_dequeue(&sc->arpcom.ac_if.if_snd); 3781 if (m == NULL) 3782 break; 3783 3784 if ((m = tulip_txput(sc, m)) != NULL) { 3785 ifq_prepend(&sc->arpcom.ac_if.if_snd, m); 3786 break; 3787 } 3788 } 3789 } 3790 } 3791 3792 static void 3793 tulip_ifwatchdog(struct ifnet *ifp) 3794 { 3795 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 3796 3797 sc->arpcom.ac_if.if_timer = 1; 3798 /* 3799 * These should be rare so do a bulk test up front so we can just skip 3800 * them if needed. 3801 */ 3802 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 3803 /* 3804 * If the number of receive buffer is low, try to refill 3805 */ 3806 if (sc->tulip_flags & TULIP_RXBUFSLOW) 3807 tulip_rx_intr(sc); 3808 3809 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 3810 if_printf(ifp, "%d system errors: last was %s\n", 3811 sc->tulip_system_errors, 3812 tulip_system_errors[sc->tulip_last_system_error]); 3813 } 3814 if (sc->tulip_statusbits) { 3815 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 3816 sc->tulip_statusbits = 0; 3817 } 3818 3819 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 3820 } 3821 3822 if (sc->tulip_txtimer) 3823 tulip_tx_intr(sc); 3824 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 3825 if_printf(ifp, "transmission timeout\n"); 3826 if (TULIP_DO_AUTOSENSE(sc)) { 3827 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 3828 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 3829 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 3830 } 3831 tulip_reset(sc); 3832 tulip_init(sc); 3833 } 3834 } 3835 3836 static void 3837 tulip_attach(tulip_softc_t *sc) 3838 { 3839 struct ifnet *ifp = &sc->arpcom.ac_if; 3840 3841 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST; 3842 ifp->if_init = tulip_ifinit; 3843 ifp->if_ioctl = tulip_ifioctl; 3844 ifp->if_start = tulip_ifstart; 3845 ifp->if_watchdog = tulip_ifwatchdog; 3846 ifp->if_timer = 1; 3847 3848 if_printf(ifp, "%s%s pass %d.%d%s\n", 3849 sc->tulip_boardid, 3850 tulip_chipdescs[sc->tulip_chipid], 3851 (sc->tulip_revinfo & 0xF0) >> 4, 3852 sc->tulip_revinfo & 0x0F, 3853 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 3854 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 3855 3856 (*sc->tulip_boardsw->bd_media_probe)(sc); 3857 ifmedia_init(&sc->tulip_ifmedia, 0, 3858 tulip_ifmedia_change, 3859 tulip_ifmedia_status); 3860 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 3861 tulip_ifmedia_add(sc); 3862 3863 ifq_set_maxlen(&ifp->if_snd, ifqmaxlen); 3864 ether_ifattach(&sc->arpcom.ac_if, sc->arpcom.ac_enaddr, NULL); 3865 3866 tulip_reset(sc); 3867 } 3868 3869 /* Release memory for a single descriptor ring. */ 3870 static void 3871 tulip_busdma_freering(tulip_ringinfo_t *ri) 3872 { 3873 int i; 3874 3875 /* Release the DMA maps and tag for data buffers. */ 3876 if (ri->ri_data_maps != NULL) { 3877 for (i = 0; i < ri->ri_max; i++) { 3878 if (ri->ri_data_maps[i] != NULL) { 3879 bus_dmamap_destroy(ri->ri_data_tag, ri->ri_data_maps[i]); 3880 ri->ri_data_maps[i] = NULL; 3881 } 3882 } 3883 kfree(ri->ri_data_maps, M_DEVBUF); 3884 ri->ri_data_maps = NULL; 3885 } 3886 if (ri->ri_data_tag != NULL) { 3887 bus_dma_tag_destroy(ri->ri_data_tag); 3888 ri->ri_data_tag = NULL; 3889 } 3890 3891 /* Release the DMA memory and tag for the ring descriptors. */ 3892 if (ri->ri_dma_addr != 0) { 3893 bus_dmamap_unload(ri->ri_ring_tag, ri->ri_ring_map); 3894 ri->ri_dma_addr = 0; 3895 } 3896 if (ri->ri_descs != NULL) { 3897 bus_dmamem_free(ri->ri_ring_tag, ri->ri_descs, ri->ri_ring_map); 3898 ri->ri_descs = NULL; 3899 } 3900 if (ri->ri_ring_tag != NULL) { 3901 bus_dma_tag_destroy(ri->ri_ring_tag); 3902 ri->ri_ring_tag = NULL; 3903 } 3904 } 3905 3906 /* Allocate memory for a single descriptor ring. */ 3907 static int 3908 tulip_busdma_allocring(device_t dev, tulip_softc_t *sc, size_t count, 3909 bus_size_t align, int nsegs, tulip_ringinfo_t *ri, const char *name) 3910 { 3911 size_t size; 3912 int error, i; 3913 3914 /* First, setup a tag. */ 3915 ri->ri_max = count; 3916 size = count * sizeof(tulip_desc_t); 3917 error = bus_dma_tag_create(bus_get_dma_tag(dev), 3918 32, 0, BUS_SPACE_MAXADDR_32BIT, 3919 BUS_SPACE_MAXADDR, size, 1, size, 0, &ri->ri_ring_tag); 3920 if (error) { 3921 device_printf(dev, "failed to allocate %s descriptor ring dma tag\n", 3922 name); 3923 return (error); 3924 } 3925 3926 /* Next, allocate memory for the descriptors. */ 3927 error = bus_dmamem_alloc(ri->ri_ring_tag, (void **)&ri->ri_descs, 3928 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ri->ri_ring_map); 3929 if (error) { 3930 device_printf(dev, "failed to allocate memory for %s descriptor ring\n", 3931 name); 3932 return (error); 3933 } 3934 3935 /* Map the descriptors. */ 3936 error = bus_dmamap_load(ri->ri_ring_tag, ri->ri_ring_map, ri->ri_descs, 3937 size, tulip_dma_map_addr, &ri->ri_dma_addr, BUS_DMA_NOWAIT); 3938 if (error) { 3939 device_printf(dev, "failed to get dma address for %s descriptor ring\n", 3940 name); 3941 return (error); 3942 } 3943 3944 /* Allocate a tag for the data buffers. */ 3945 error = bus_dma_tag_create(bus_get_dma_tag(dev), align, 0, 3946 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, 3947 MCLBYTES * nsegs, nsegs, MCLBYTES, 0, &ri->ri_data_tag); 3948 if (error) { 3949 device_printf(dev, "failed to allocate %s buffer dma tag\n", name); 3950 return (error); 3951 } 3952 3953 /* Allocate maps for the data buffers. */ 3954 ri->ri_data_maps = kmalloc(sizeof(bus_dmamap_t) * count, M_DEVBUF, 3955 M_WAITOK | M_ZERO); 3956 for (i = 0; i < count; i++) { 3957 error = bus_dmamap_create(ri->ri_data_tag, 0, &ri->ri_data_maps[i]); 3958 if (error) { 3959 device_printf(dev, "failed to create map for %s buffer %d\n", 3960 name, i); 3961 return (error); 3962 } 3963 } 3964 3965 return (0); 3966 } 3967 3968 /* Release busdma maps, tags, and memory. */ 3969 static void 3970 tulip_busdma_cleanup(tulip_softc_t *sc) 3971 { 3972 3973 /* Release resources for the setup descriptor. */ 3974 if (sc->tulip_setup_dma_addr != 0) { 3975 bus_dmamap_unload(sc->tulip_setup_tag, sc->tulip_setup_map); 3976 sc->tulip_setup_dma_addr = 0; 3977 } 3978 if (sc->tulip_setupbuf != NULL) { 3979 bus_dmamem_free(sc->tulip_setup_tag, sc->tulip_setupbuf, 3980 sc->tulip_setup_map); 3981 sc->tulip_setupbuf = NULL; 3982 } 3983 if (sc->tulip_setup_tag != NULL) { 3984 bus_dma_tag_destroy(sc->tulip_setup_tag); 3985 sc->tulip_setup_tag = NULL; 3986 } 3987 3988 /* Release the transmit ring. */ 3989 tulip_busdma_freering(&sc->tulip_txinfo); 3990 3991 /* Release the receive ring. */ 3992 tulip_busdma_freering(&sc->tulip_rxinfo); 3993 } 3994 3995 static int 3996 tulip_busdma_init(device_t dev, tulip_softc_t *sc) 3997 { 3998 int error; 3999 4000 /* 4001 * Allocate space and dmamap for transmit ring. 4002 */ 4003 error = tulip_busdma_allocring(dev, sc, TULIP_TXDESCS, 1, TULIP_MAX_TXSEG, 4004 &sc->tulip_txinfo, "transmit"); 4005 if (error) 4006 return (error); 4007 4008 /* 4009 * Allocate space and dmamap for receive ring. We tell bus_dma that 4010 * we can map MCLBYTES so that it will accept a full MCLBYTES cluster, 4011 * but we will only map the first TULIP_RX_BUFLEN bytes. This is not 4012 * a waste in practice though as an ethernet frame can easily fit 4013 * in TULIP_RX_BUFLEN bytes. 4014 */ 4015 error = tulip_busdma_allocring(dev, sc, TULIP_RXDESCS, 4, 1, 4016 &sc->tulip_rxinfo, "receive"); 4017 if (error) 4018 return (error); 4019 4020 /* 4021 * Allocate a DMA tag, memory, and map for setup descriptor 4022 */ 4023 error = bus_dma_tag_create(bus_get_dma_tag(dev), 32, 0, 4024 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, 4025 sizeof(sc->tulip_setupdata), 1, sizeof(sc->tulip_setupdata), 0, 4026 &sc->tulip_setup_tag); 4027 if (error) { 4028 device_printf(dev, "failed to allocate setup descriptor dma tag\n"); 4029 return (error); 4030 } 4031 error = bus_dmamem_alloc(sc->tulip_setup_tag, (void **)&sc->tulip_setupbuf, 4032 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->tulip_setup_map); 4033 if (error) { 4034 device_printf(dev, "failed to allocate memory for setup descriptor\n"); 4035 return (error); 4036 } 4037 error = bus_dmamap_load(sc->tulip_setup_tag, sc->tulip_setup_map, 4038 sc->tulip_setupbuf, sizeof(sc->tulip_setupdata), 4039 tulip_dma_map_addr, &sc->tulip_setup_dma_addr, BUS_DMA_NOWAIT); 4040 if (error) { 4041 device_printf(dev, "failed to get dma address for setup descriptor\n"); 4042 return (error); 4043 } 4044 4045 return error; 4046 } 4047 4048 static void 4049 tulip_initcsrs(tulip_softc_t *sc, tulip_csrptr_t csr_base, size_t csr_size) 4050 { 4051 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 4052 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 4053 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 4054 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 4055 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 4056 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 4057 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 4058 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 4059 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 4060 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 4061 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 4062 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 4063 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 4064 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 4065 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 4066 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 4067 } 4068 4069 static int 4070 tulip_initring(tulip_ringinfo_t *ri, int ndescs) 4071 { 4072 int i; 4073 4074 ri->ri_descinfo = kmalloc(sizeof(tulip_descinfo_t) * ndescs, M_DEVBUF, 4075 M_WAITOK | M_ZERO); 4076 for (i = 0; i < ndescs; i++) { 4077 ri->ri_descinfo[i].di_desc = &ri->ri_descs[i]; 4078 ri->ri_descinfo[i].di_map = &ri->ri_data_maps[i]; 4079 } 4080 ri->ri_first = ri->ri_descinfo; 4081 ri->ri_max = ndescs; 4082 ri->ri_last = ri->ri_first + ri->ri_max; 4083 bzero(ri->ri_descs, sizeof(tulip_desc_t) * ri->ri_max); 4084 DESC_FLAG(&ri->ri_last[-1]) = TULIP_DFLAG_ENDRING; 4085 return (0); 4086 } 4087 4088 /* 4089 * This is the PCI configuration support. 4090 */ 4091 4092 #define PCI_CBIO PCIR_BAR(0) /* Configuration Base IO Address */ 4093 #define PCI_CBMA PCIR_BAR(1) /* Configuration Base Memory Address */ 4094 #define PCI_CFDA 0x40 /* Configuration Driver Area */ 4095 4096 static int 4097 tulip_pci_probe(device_t dev) 4098 { 4099 const char *name = NULL; 4100 4101 if (pci_get_vendor(dev) != DEC_VENDORID) 4102 return ENXIO; 4103 4104 /* 4105 * Some LanMedia WAN cards use the Tulip chip, but they have 4106 * their own driver, and we should not recognize them 4107 */ 4108 if (pci_get_subvendor(dev) == 0x1376) 4109 return ENXIO; 4110 4111 switch (pci_get_device(dev)) { 4112 case CHIPID_21040: 4113 name = "Digital 21040 Ethernet"; 4114 break; 4115 case CHIPID_21041: 4116 name = "Digital 21041 Ethernet"; 4117 break; 4118 case CHIPID_21140: 4119 if (pci_get_revid(dev) >= 0x20) 4120 name = "Digital 21140A Fast Ethernet"; 4121 else 4122 name = "Digital 21140 Fast Ethernet"; 4123 break; 4124 case CHIPID_21142: 4125 if (pci_get_revid(dev) >= 0x20) 4126 name = "Digital 21143 Fast Ethernet"; 4127 else 4128 name = "Digital 21142 Fast Ethernet"; 4129 break; 4130 } 4131 if (name) { 4132 device_set_desc(dev, name); 4133 return -200; 4134 } 4135 return ENXIO; 4136 } 4137 4138 static int 4139 tulip_shutdown(device_t dev) 4140 { 4141 tulip_softc_t *sc = device_get_softc(dev); 4142 4143 lwkt_serialize_enter(sc->arpcom.ac_if.if_serializer); 4144 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4145 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 4146 33MHz that comes to two microseconds but wait a 4147 bit longer anyways) */ 4148 lwkt_serialize_exit(sc->arpcom.ac_if.if_serializer); 4149 return 0; 4150 } 4151 4152 static int 4153 tulip_pci_attach(device_t dev) 4154 { 4155 tulip_softc_t *sc; 4156 int retval, idx; 4157 uint32_t revinfo, cfdainfo; 4158 u_int csroffset = TULIP_PCI_CSROFFSET; 4159 u_int csrsize = TULIP_PCI_CSRSIZE; 4160 tulip_csrptr_t csr_base; 4161 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 4162 struct resource *res; 4163 int rid, unit; 4164 4165 unit = device_get_unit(dev); 4166 4167 if (unit >= TULIP_MAX_DEVICES) { 4168 device_printf(dev, "not configured; limit of %d reached or exceeded\n", 4169 TULIP_MAX_DEVICES); 4170 return ENXIO; 4171 } 4172 4173 revinfo = pci_get_revid(dev); 4174 cfdainfo = pci_read_config(dev, PCI_CFDA, 4); 4175 4176 /* turn busmaster on in case BIOS doesn't set it */ 4177 pci_enable_busmaster(dev); 4178 4179 if (pci_get_vendor(dev) == DEC_VENDORID) { 4180 if (pci_get_device(dev) == CHIPID_21040) 4181 chipid = TULIP_21040; 4182 else if (pci_get_device(dev) == CHIPID_21041) 4183 chipid = TULIP_21041; 4184 else if (pci_get_device(dev) == CHIPID_21140) 4185 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 4186 else if (pci_get_device(dev) == CHIPID_21142) 4187 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 4188 } 4189 if (chipid == TULIP_CHIPID_UNKNOWN) 4190 return ENXIO; 4191 4192 if (chipid == TULIP_21040 && revinfo < 0x20) { 4193 device_printf(dev, 4194 "not configured; 21040 pass 2.0 required (%d.%d found)\n", 4195 revinfo >> 4, revinfo & 0x0f); 4196 return ENXIO; 4197 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 4198 device_printf(dev, 4199 "not configured; 21140 pass 1.1 required (%d.%d found)\n", 4200 revinfo >> 4, revinfo & 0x0f); 4201 return ENXIO; 4202 } 4203 4204 sc = device_get_softc(dev); 4205 sc->tulip_dev = dev; 4206 sc->tulip_pci_busno = pci_get_bus(dev); 4207 sc->tulip_pci_devno = pci_get_slot(dev); 4208 sc->tulip_chipid = chipid; 4209 sc->tulip_flags |= TULIP_DEVICEPROBE; 4210 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 4211 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 4212 if (chipid == TULIP_21140A && revinfo <= 0x22) 4213 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 4214 if (chipid == TULIP_21140) 4215 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 4216 if (chipid != TULIP_21040 && chipid != TULIP_21140) 4217 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 4218 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 4219 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 4220 if (chipid != TULIP_21041 || revinfo >= 0x20) 4221 sc->tulip_features |= TULIP_HAVE_SIANWAY; 4222 if (chipid != TULIP_21041) 4223 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 4224 if (chipid != TULIP_21041 && revinfo >= 0x20) 4225 sc->tulip_features |= TULIP_HAVE_SIA100; 4226 } 4227 4228 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 4229 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 4230 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 4231 pci_write_config(dev, PCI_CFDA, cfdainfo, 4); 4232 DELAY(11*1000); 4233 } 4234 if_initname(&sc->arpcom.ac_if, device_get_name(dev), unit); 4235 sc->tulip_unit = unit; 4236 sc->tulip_revinfo = revinfo; 4237 sc->arpcom.ac_if.if_softc = sc; 4238 #if defined(TULIP_IOMAPPED) 4239 rid = PCI_CBIO; 4240 res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 4241 #else 4242 rid = PCI_CBMA; 4243 res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); 4244 #endif 4245 if (!res) 4246 return ENXIO; 4247 sc->tulip_csrs_bst = rman_get_bustag(res); 4248 sc->tulip_csrs_bsh = rman_get_bushandle(res); 4249 csr_base = 0; 4250 4251 callout_init(&sc->tulip_callout); 4252 tulips[unit] = sc; 4253 4254 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 4255 4256 if ((retval = tulip_busdma_init(dev, sc)) != 0) { 4257 device_printf(dev, "error initing bus_dma: %d\n", retval); 4258 tulip_busdma_cleanup(sc); 4259 return ENXIO; 4260 } 4261 4262 retval = tulip_initring(&sc->tulip_rxinfo, TULIP_RXDESCS); 4263 if (retval == 0) 4264 retval = tulip_initring(&sc->tulip_txinfo, TULIP_TXDESCS); 4265 if (retval) { 4266 tulip_busdma_cleanup(sc); 4267 return retval; 4268 } 4269 4270 /* 4271 * Make sure there won't be any interrupts or such... 4272 */ 4273 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4274 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 4275 33MHz that comes to two microseconds but wait a 4276 bit longer anyways) */ 4277 4278 if ((retval = tulip_read_macaddr(sc)) < 0) { 4279 device_printf(dev, "can't read ENET ROM (why=%d) (", retval); 4280 for (idx = 0; idx < 32; idx++) 4281 kprintf("%02x", sc->tulip_rombuf[idx]); 4282 kprintf("\n"); 4283 device_printf(dev, "%s%s pass %d.%d\n", 4284 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 4285 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 4286 device_printf(dev, "address unknown\n"); 4287 } else { 4288 void (*intr_rtn)(void *) = tulip_intr_normal; 4289 4290 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 4291 intr_rtn = tulip_intr_shared; 4292 4293 tulip_attach(sc); 4294 4295 /* Setup interrupt last. */ 4296 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 4297 void *ih; 4298 4299 rid = 0; 4300 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 4301 RF_SHAREABLE | RF_ACTIVE); 4302 if (res == NULL || bus_setup_intr(dev, res, INTR_MPSAFE, 4303 intr_rtn, sc, &ih, 4304 sc->arpcom.ac_if.if_serializer)) { 4305 device_printf(dev, "couldn't map interrupt\n"); 4306 ifmedia_removeall(&sc->tulip_ifmedia); 4307 ether_ifdetach(&sc->arpcom.ac_if); 4308 tulip_busdma_cleanup(sc); 4309 return ENXIO; 4310 } 4311 4312 ifq_set_cpuid(&sc->arpcom.ac_if.if_snd, rman_get_cpuid(res)); 4313 } 4314 } 4315 return 0; 4316 } 4317 4318 static device_method_t tulip_pci_methods[] = { 4319 /* Device interface */ 4320 DEVMETHOD(device_probe, tulip_pci_probe), 4321 DEVMETHOD(device_attach, tulip_pci_attach), 4322 DEVMETHOD(device_shutdown, tulip_shutdown), 4323 DEVMETHOD_END 4324 }; 4325 static driver_t tulip_pci_driver = { 4326 "de", 4327 tulip_pci_methods, 4328 sizeof(tulip_softc_t), 4329 }; 4330 static devclass_t tulip_devclass; 4331 4332 DECLARE_DUMMY_MODULE(if_de); 4333 DRIVER_MODULE(if_de, pci, tulip_pci_driver, tulip_devclass, NULL, NULL); 4334 4335