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/thread2.h> 53 #include <sys/interrupt.h> 54 55 #include "opt_inet.h" 56 57 #include <net/if.h> 58 #include <net/if_media.h> 59 #include <net/if_dl.h> 60 #include <net/ifq_var.h> 61 #include <net/bpf.h> 62 63 #ifdef INET 64 #include <netinet/in.h> 65 #include <netinet/if_ether.h> 66 #endif 67 68 #include <vm/vm.h> 69 70 #include <net/if_var.h> 71 #include <vm/pmap.h> 72 #include <bus/pci/pcivar.h> 73 #include <bus/pci/pcireg.h> 74 #include <dev/netif/de/dc21040reg.h> 75 76 /* 77 * Intel CPUs should use I/O mapped access. 78 */ 79 #if defined(__x86_64__) 80 #define TULIP_IOMAPPED 81 #endif 82 83 #define TULIP_HZ 10 84 85 #include "if_devar.h" 86 87 #define SYNC_NONE 0 88 #define SYNC_RX 1 89 #define SYNC_TX 2 90 91 static tulip_softc_t *tulips[TULIP_MAX_DEVICES]; 92 93 /* 94 * This module supports 95 * the DEC 21040 PCI Ethernet Controller. 96 * the DEC 21041 PCI Ethernet Controller. 97 * the DEC 21140 PCI Fast Ethernet Controller. 98 */ 99 static void tulip_mii_autonegotiate(tulip_softc_t *, u_int); 100 static void tulip_intr_shared(void *); 101 static void tulip_intr_normal(void *); 102 static void tulip_init(tulip_softc_t *); 103 static void tulip_reset(tulip_softc_t *); 104 static void tulip_ifstart(struct ifnet *, struct ifaltq_subque *); 105 static struct mbuf *tulip_txput(tulip_softc_t *, struct mbuf *); 106 static void tulip_txput_setup(tulip_softc_t *); 107 static void tulip_rx_intr(tulip_softc_t *); 108 static void tulip_addr_filter(tulip_softc_t *); 109 static u_int tulip_mii_readreg(tulip_softc_t *, u_int, u_int); 110 static void tulip_mii_writereg(tulip_softc_t *, u_int, u_int, u_int); 111 static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 112 static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t *); 113 static int tulip_srom_decode(tulip_softc_t *); 114 static int tulip_ifmedia_change(struct ifnet *); 115 static void tulip_ifmedia_status(struct ifnet *, struct ifmediareq *); 116 static struct mbuf *tulip_dequeue_mbuf(tulip_ringinfo_t *ri, tulip_descinfo_t *di, 117 int sync); 118 static void tulip_dma_map_addr(void *, bus_dma_segment_t *, int, int); 119 static void tulip_dma_map_rxbuf(void *, bus_dma_segment_t *, int, 120 bus_size_t, int); 121 static void tulip_ifinit(void *); 122 123 static void 124 tulip_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error) 125 { 126 bus_addr_t *paddr; 127 128 if (error) 129 return; 130 131 paddr = arg; 132 *paddr = segs->ds_addr; 133 } 134 135 static void 136 tulip_dma_map_rxbuf(void *arg, bus_dma_segment_t *segs, int nseg, 137 bus_size_t mapsize, int error) 138 { 139 tulip_desc_t *desc; 140 141 if (error) 142 return; 143 144 desc = arg; 145 KASSERT(nseg == 1, ("too many DMA segments")); 146 KASSERT(segs[0].ds_len >= TULIP_RX_BUFLEN, ("receive buffer too small")); 147 148 desc->d_addr1 = segs[0].ds_addr & 0xffffffff; 149 desc->d_length1 = TULIP_RX_BUFLEN; 150 #ifdef not_needed 151 /* These should already always be zero. */ 152 desc->d_addr2 = 0; 153 desc->d_length2 = 0; 154 #endif 155 } 156 157 static struct mbuf * 158 tulip_dequeue_mbuf(tulip_ringinfo_t *ri, tulip_descinfo_t *di, int sync) 159 { 160 struct mbuf *m; 161 162 m = di->di_mbuf; 163 if (m != NULL) { 164 switch (sync) { 165 case SYNC_NONE: 166 break; 167 case SYNC_RX: 168 TULIP_RXMAP_POSTSYNC(ri, di); 169 break; 170 case SYNC_TX: 171 TULIP_TXMAP_POSTSYNC(ri, di); 172 break; 173 default: 174 panic("bad sync flag: %d", sync); 175 } 176 bus_dmamap_unload(ri->ri_data_tag, *di->di_map); 177 di->di_mbuf = NULL; 178 } 179 return (m); 180 } 181 182 static void 183 tulip_timeout_callback(void *arg) 184 { 185 tulip_softc_t *sc = arg; 186 187 lwkt_serialize_enter(sc->arpcom.ac_if.if_serializer); 188 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 189 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 190 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 191 lwkt_serialize_exit(sc->arpcom.ac_if.if_serializer); 192 } 193 194 static void 195 tulip_timeout(tulip_softc_t *sc) 196 { 197 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 198 return; 199 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 200 callout_reset(&sc->tulip_callout, (hz + TULIP_HZ / 2) / TULIP_HZ, 201 tulip_timeout_callback, sc); 202 } 203 204 static int 205 tulip_txprobe(tulip_softc_t *sc) 206 { 207 struct mbuf *m; 208 209 /* 210 * Before we are sure this is the right media we need 211 * to send a small packet to make sure there's carrier. 212 * Strangely, BNC and AUI will "see" receive data if 213 * either is connected so the transmit is the only way 214 * to verify the connectivity. 215 */ 216 MGETHDR(m, M_NOWAIT, MT_DATA); 217 if (m == NULL) 218 return 0; 219 /* 220 * Construct a LLC TEST message which will point to ourselves. 221 */ 222 bcopy(sc->arpcom.ac_enaddr, mtod(m, struct ether_header *)->ether_dhost, 223 ETHER_ADDR_LEN); 224 bcopy(sc->arpcom.ac_enaddr, mtod(m, struct ether_header *)->ether_shost, 225 ETHER_ADDR_LEN); 226 mtod(m, struct ether_header *)->ether_type = htons(3); 227 mtod(m, unsigned char *)[14] = 0; 228 mtod(m, unsigned char *)[15] = 0; 229 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 230 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 231 /* 232 * send it! 233 */ 234 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 235 sc->tulip_intrmask |= TULIP_STS_TXINTR; 236 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 237 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 238 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 239 if ((m = tulip_txput(sc, m)) != NULL) 240 m_freem(m); 241 sc->tulip_probe.probe_txprobes++; 242 return 1; 243 } 244 245 static void 246 tulip_media_set(tulip_softc_t *sc, tulip_media_t media) 247 { 248 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 249 250 if (mi == NULL) 251 return; 252 253 /* 254 * If we are switching media, make sure we don't think there's 255 * any stale RX activity 256 */ 257 sc->tulip_flags &= ~TULIP_RXACT; 258 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 259 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 260 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 261 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 262 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general); 263 DELAY(50); 264 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general); 265 } else { 266 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general); 267 } 268 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 269 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 270 #define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 271 /* 272 * If the cmdmode bits don't match the currently operating mode, 273 * set the cmdmode appropriately and reset the chip. 274 */ 275 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 276 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 277 sc->tulip_cmdmode |= mi->mi_cmdmode; 278 tulip_reset(sc); 279 } 280 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 281 DELAY(10); 282 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 283 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 284 /* 285 * If the cmdmode bits don't match the currently operating mode, 286 * set the cmdmode appropriately and reset the chip. 287 */ 288 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 289 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 290 sc->tulip_cmdmode |= mi->mi_cmdmode; 291 tulip_reset(sc); 292 } 293 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 294 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 295 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 296 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 297 int idx; 298 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 299 const u_int8_t *dp; 300 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 301 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 302 DELAY(10); 303 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 304 } 305 sc->tulip_phyaddr = mi->mi_phyaddr; 306 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 307 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 308 DELAY(10); 309 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 310 } 311 } else { 312 for (idx = 0; idx < mi->mi_reset_length; idx++) { 313 DELAY(10); 314 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 315 } 316 sc->tulip_phyaddr = mi->mi_phyaddr; 317 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 318 DELAY(10); 319 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 320 } 321 } 322 if (sc->tulip_flags & TULIP_TRYNWAY) { 323 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 324 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 325 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 326 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 327 sc->tulip_flags &= ~TULIP_DIDNWAY; 328 if (TULIP_IS_MEDIA_FD(media)) 329 data |= PHYCTL_FULL_DUPLEX; 330 if (TULIP_IS_MEDIA_100MB(media)) 331 data |= PHYCTL_SELECT_100MB; 332 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 333 } 334 } 335 } 336 337 static void 338 tulip_linkup(tulip_softc_t *sc, tulip_media_t media) 339 { 340 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 341 sc->tulip_flags |= TULIP_PRINTLINKUP; 342 sc->tulip_flags |= TULIP_LINKUP; 343 ifq_clr_oactive(&sc->arpcom.ac_if.if_snd); 344 #if 0 /* XXX how does with work with ifmedia? */ 345 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 346 if (sc->arpcom.ac_if.if_flags & IFF_FULLDUPLEX) { 347 if (TULIP_CAN_MEDIA_FD(media) 348 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 349 media = TULIP_FD_MEDIA_OF(media); 350 } else { 351 if (TULIP_IS_MEDIA_FD(media) 352 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 353 media = TULIP_HD_MEDIA_OF(media); 354 } 355 } 356 #endif 357 if (sc->tulip_media != media) { 358 sc->tulip_media = media; 359 sc->tulip_flags |= TULIP_PRINTMEDIA; 360 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 361 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 362 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 363 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 364 } 365 } 366 /* 367 * We could set probe_timeout to 0 but setting to 3000 puts this 368 * in one central place and the only matters is tulip_link is 369 * followed by a tulip_timeout. Therefore setting it should not 370 * result in aberrant behavour. 371 */ 372 sc->tulip_probe_timeout = 3000; 373 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 374 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 375 if (sc->tulip_flags & TULIP_INRESET) { 376 tulip_media_set(sc, sc->tulip_media); 377 } else if (sc->tulip_probe_media != sc->tulip_media) { 378 /* 379 * No reason to change media if we have the right media. 380 */ 381 tulip_reset(sc); 382 } 383 tulip_init(sc); 384 } 385 386 static void 387 tulip_media_print(tulip_softc_t *sc) 388 { 389 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 390 return; 391 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 392 if_printf(&sc->arpcom.ac_if, "enabling %s port\n", 393 tulip_mediums[sc->tulip_media]); 394 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 395 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 396 if_printf(&sc->arpcom.ac_if, "link up\n"); 397 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 398 } 399 } 400 401 static tulip_link_status_t 402 tulip_media_link_monitor(tulip_softc_t *sc) 403 { 404 const tulip_media_info_t *mi = sc->tulip_mediums[sc->tulip_media]; 405 tulip_link_status_t linkup = TULIP_LINK_DOWN; 406 407 if (mi == NULL) { 408 #if defined(DIAGNOSTIC) 409 panic("tulip_media_link_monitor: %s: botch at line %d\n", 410 tulip_mediums[sc->tulip_media],__LINE__); 411 #endif 412 return TULIP_LINK_UNKNOWN; 413 } 414 415 416 /* 417 * Have we seen some packets? If so, the link must be good. 418 */ 419 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 420 sc->tulip_flags &= ~TULIP_RXACT; 421 sc->tulip_probe_timeout = 3000; 422 return TULIP_LINK_UP; 423 } 424 425 sc->tulip_flags &= ~TULIP_RXACT; 426 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 427 u_int32_t status; 428 /* 429 * Read the PHY status register. 430 */ 431 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 432 if (status & PHYSTS_AUTONEG_DONE) { 433 /* 434 * If the PHY has completed autonegotiation, see the if the 435 * remote systems abilities have changed. If so, upgrade or 436 * downgrade as appropriate. 437 */ 438 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 439 abilities = (abilities << 6) & status; 440 if (abilities != sc->tulip_abilities) { 441 if (tulip_mii_map_abilities(sc, abilities)) { 442 tulip_linkup(sc, sc->tulip_probe_media); 443 return TULIP_LINK_UP; 444 } 445 /* 446 * if we had selected media because of autonegotiation, 447 * we need to probe for the new media. 448 */ 449 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 450 if (sc->tulip_flags & TULIP_DIDNWAY) 451 return TULIP_LINK_DOWN; 452 } 453 } 454 /* 455 * The link is now up. If was down, say its back up. 456 */ 457 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 458 linkup = TULIP_LINK_UP; 459 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 460 /* 461 * No activity sensor? Assume all's well. 462 */ 463 if (mi->mi_actmask == 0) 464 return TULIP_LINK_UNKNOWN; 465 /* 466 * Does the activity data match? 467 */ 468 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 469 linkup = TULIP_LINK_UP; 470 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 471 /* 472 * Assume non TP ok for now. 473 */ 474 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 475 return TULIP_LINK_UNKNOWN; 476 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 477 linkup = TULIP_LINK_UP; 478 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 479 return TULIP_LINK_UNKNOWN; 480 } 481 /* 482 * We will wait for 3 seconds until the link goes into suspect mode. 483 */ 484 if (sc->tulip_flags & TULIP_LINKUP) { 485 if (linkup == TULIP_LINK_UP) 486 sc->tulip_probe_timeout = 3000; 487 if (sc->tulip_probe_timeout > 0) 488 return TULIP_LINK_UP; 489 490 sc->tulip_flags &= ~TULIP_LINKUP; 491 if_printf(&sc->arpcom.ac_if, "link down: cable problem?\n"); 492 } 493 return TULIP_LINK_DOWN; 494 } 495 496 static void 497 tulip_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event) 498 { 499 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 500 && event == TULIP_MEDIAPOLL_TIMER) { 501 switch (tulip_media_link_monitor(sc)) { 502 case TULIP_LINK_DOWN: { 503 /* 504 * Link Monitor failed. Probe for new media. 505 */ 506 event = TULIP_MEDIAPOLL_LINKFAIL; 507 break; 508 } 509 case TULIP_LINK_UP: { 510 /* 511 * Check again soon. 512 */ 513 tulip_timeout(sc); 514 return; 515 } 516 case TULIP_LINK_UNKNOWN: { 517 /* 518 * We can't tell so don't bother. 519 */ 520 return; 521 } 522 } 523 } 524 525 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 526 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 527 if (TULIP_DO_AUTOSENSE(sc)) { 528 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 529 if (sc->arpcom.ac_if.if_flags & IFF_UP) 530 tulip_reset(sc); /* restart probe */ 531 } 532 return; 533 } 534 } 535 536 if (event == TULIP_MEDIAPOLL_START) { 537 ifq_set_oactive(&sc->arpcom.ac_if.if_snd); 538 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 539 return; 540 sc->tulip_probe_mediamask = 0; 541 sc->tulip_probe_passes = 0; 542 /* 543 * If the SROM contained an explicit media to use, use it. 544 */ 545 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 546 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 547 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 548 /* 549 * connidx is defaulted to a media_unknown type. 550 */ 551 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 552 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 553 tulip_linkup(sc, sc->tulip_probe_media); 554 tulip_timeout(sc); 555 return; 556 } 557 558 if (sc->tulip_features & TULIP_HAVE_GPR) { 559 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 560 sc->tulip_probe_timeout = 2000; 561 } else { 562 sc->tulip_probe_media = TULIP_MEDIA_MAX; 563 sc->tulip_probe_timeout = 0; 564 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 565 } 566 } 567 568 /* 569 * Ignore txprobe failures or spurious callbacks. 570 */ 571 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 572 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 573 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 574 return; 575 } 576 577 /* 578 * If we really transmitted a packet, then that's the media we'll use. 579 */ 580 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 581 if (event == TULIP_MEDIAPOLL_LINKPASS) { 582 /* XXX Check media status just to be sure */ 583 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 584 } 585 tulip_linkup(sc, sc->tulip_probe_media); 586 tulip_timeout(sc); 587 return; 588 } 589 590 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 591 /* 592 * Brute force. We cycle through each of the media types 593 * and try to transmit a packet. 594 */ 595 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 596 sc->tulip_probe_media = TULIP_MEDIA_MAX; 597 sc->tulip_probe_timeout = 0; 598 tulip_timeout(sc); 599 return; 600 } 601 602 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 603 && (sc->tulip_features & TULIP_HAVE_MII)) { 604 tulip_media_t old_media = sc->tulip_probe_media; 605 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 606 switch (sc->tulip_probe_state) { 607 case TULIP_PROBE_FAILED: 608 case TULIP_PROBE_MEDIATEST: { 609 /* 610 * Try the next media. 611 */ 612 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 613 sc->tulip_probe_timeout = 0; 614 #ifdef notyet 615 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 616 break; 617 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 618 break; 619 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 620 #endif 621 break; 622 } 623 case TULIP_PROBE_PHYAUTONEG: { 624 return; 625 } 626 case TULIP_PROBE_INACTIVE: { 627 /* 628 * Only probe if we autonegotiated a media that hasn't failed. 629 */ 630 sc->tulip_probe_timeout = 0; 631 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 632 sc->tulip_probe_media = old_media; 633 break; 634 } 635 tulip_linkup(sc, sc->tulip_probe_media); 636 tulip_timeout(sc); 637 return; 638 } 639 default: { 640 #if defined(DIAGNOSTIC) 641 panic("tulip_media_poll: botch at line %d", __LINE__); 642 #endif 643 break; 644 } 645 } 646 } 647 648 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 649 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 650 return; 651 } 652 653 /* 654 * switch to another media if we tried this one enough. 655 */ 656 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 657 /* 658 * Find the next media type to check for. Full Duplex 659 * types are not allowed. 660 */ 661 do { 662 sc->tulip_probe_media -= 1; 663 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 664 if (++sc->tulip_probe_passes == 3) { 665 if_printf(&sc->arpcom.ac_if, 666 "autosense failed: cable problem?\n"); 667 if ((sc->arpcom.ac_if.if_flags & IFF_UP) == 0) { 668 sc->arpcom.ac_if.if_flags &= ~IFF_RUNNING; 669 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 670 return; 671 } 672 } 673 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 674 sc->tulip_probe_mediamask = 0; 675 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 676 } 677 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 678 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 679 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 680 681 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 682 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 683 sc->tulip_probe.probe_txprobes = 0; 684 tulip_reset(sc); 685 tulip_media_set(sc, sc->tulip_probe_media); 686 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 687 } 688 tulip_timeout(sc); 689 690 /* 691 * If this is hanging off a phy, we know are doing NWAY and we have 692 * forced the phy to a specific speed. Wait for link up before 693 * before sending a packet. 694 */ 695 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 696 case TULIP_MEDIAINFO_MII: { 697 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 698 return; 699 break; 700 } 701 case TULIP_MEDIAINFO_SIA: { 702 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 703 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 704 return; 705 tulip_linkup(sc, sc->tulip_probe_media); 706 #ifdef notyet 707 if (sc->tulip_features & TULIP_HAVE_MII) 708 tulip_timeout(sc); 709 #endif 710 return; 711 } 712 break; 713 } 714 case TULIP_MEDIAINFO_RESET: 715 case TULIP_MEDIAINFO_SYM: 716 case TULIP_MEDIAINFO_NONE: 717 case TULIP_MEDIAINFO_GPR: { 718 break; 719 } 720 } 721 /* 722 * Try to send a packet. 723 */ 724 tulip_txprobe(sc); 725 } 726 727 static void 728 tulip_media_select(tulip_softc_t *sc) 729 { 730 if (sc->tulip_features & TULIP_HAVE_GPR) { 731 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 732 DELAY(10); 733 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 734 } 735 /* 736 * If this board has no media, just return 737 */ 738 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 739 return; 740 741 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 742 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 743 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 744 } else { 745 tulip_media_set(sc, sc->tulip_media); 746 } 747 } 748 749 static void 750 tulip_21040_mediainfo_init(tulip_softc_t *sc, tulip_media_t media) 751 { 752 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 753 |TULIP_CMD_BACKOFFCTR; 754 sc->arpcom.ac_if.if_baudrate = 10000000; 755 756 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 757 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 758 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 759 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 760 } 761 762 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 763 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 764 } 765 766 if (media == TULIP_MEDIA_UNKNOWN) { 767 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 768 } 769 } 770 771 static void 772 tulip_21040_media_probe(tulip_softc_t *sc) 773 { 774 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 775 } 776 777 static void 778 tulip_21040_10baset_only_media_probe(tulip_softc_t *sc) 779 { 780 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 781 tulip_media_set(sc, TULIP_MEDIA_10BASET); 782 sc->tulip_media = TULIP_MEDIA_10BASET; 783 } 784 785 static void 786 tulip_21040_10baset_only_media_select(tulip_softc_t *sc) 787 { 788 sc->tulip_flags |= TULIP_LINKUP; 789 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 790 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 791 sc->tulip_flags &= ~TULIP_SQETEST; 792 } else { 793 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 794 sc->tulip_flags |= TULIP_SQETEST; 795 } 796 tulip_media_set(sc, sc->tulip_media); 797 } 798 799 static void 800 tulip_21040_auibnc_only_media_probe(tulip_softc_t *sc) 801 { 802 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 803 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 804 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 805 sc->tulip_media = TULIP_MEDIA_AUIBNC; 806 } 807 808 static void 809 tulip_21040_auibnc_only_media_select(tulip_softc_t *sc) 810 { 811 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 812 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 813 } 814 815 static const tulip_boardsw_t tulip_21040_boardsw = { 816 TULIP_21040_GENERIC, 817 tulip_21040_media_probe, 818 tulip_media_select, 819 tulip_media_poll, 820 }; 821 822 static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 823 TULIP_21040_GENERIC, 824 tulip_21040_10baset_only_media_probe, 825 tulip_21040_10baset_only_media_select, 826 NULL, 827 }; 828 829 static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 830 TULIP_21040_GENERIC, 831 tulip_21040_auibnc_only_media_probe, 832 tulip_21040_auibnc_only_media_select, 833 NULL, 834 }; 835 836 static void 837 tulip_21041_mediainfo_init(tulip_softc_t *sc) 838 { 839 tulip_media_info_t *mi = sc->tulip_mediainfo; 840 841 #ifdef notyet 842 if (sc->tulip_revinfo >= 0x20) { 843 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 844 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 845 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 846 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 847 return; 848 } 849 #endif 850 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 851 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 852 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 853 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 854 } 855 856 static void 857 tulip_21041_media_probe(tulip_softc_t *sc) 858 { 859 sc->arpcom.ac_if.if_baudrate = 10000000; 860 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 861 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 862 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 863 tulip_21041_mediainfo_init(sc); 864 } 865 866 static void 867 tulip_21041_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event) 868 { 869 uint32_t sia_status; 870 871 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 872 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 873 || !TULIP_DO_AUTOSENSE(sc)) 874 return; 875 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 876 tulip_reset(sc); /* start probe */ 877 return; 878 } 879 880 /* 881 * If we've been been asked to start a poll or link change interrupt 882 * restart the probe (and reset the tulip to a known state). 883 */ 884 if (event == TULIP_MEDIAPOLL_START) { 885 ifq_set_oactive(&sc->arpcom.ac_if.if_snd); 886 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 887 #ifdef notyet 888 if (sc->tulip_revinfo >= 0x20) { 889 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 890 sc->tulip_flags |= TULIP_DIDNWAY; 891 } 892 #endif 893 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 894 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 895 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 896 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 897 tulip_media_set(sc, TULIP_MEDIA_10BASET); 898 tulip_timeout(sc); 899 return; 900 } 901 902 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 903 return; 904 905 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 906 tulip_linkup(sc, sc->tulip_probe_media); 907 return; 908 } 909 910 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 911 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 912 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 913 if (sc->tulip_revinfo >= 0x20) { 914 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 915 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 916 } 917 /* 918 * If the link has passed LinkPass, 10baseT is the 919 * proper media to use. 920 */ 921 tulip_linkup(sc, sc->tulip_probe_media); 922 return; 923 } 924 925 /* 926 * wait for up to 2.4 seconds for the link to reach pass state. 927 * Only then start scanning the other media for activity. 928 * choose media with receive activity over those without. 929 */ 930 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 931 if (event != TULIP_MEDIAPOLL_TIMER) 932 return; 933 if (sc->tulip_probe_timeout > 0 934 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 935 tulip_timeout(sc); 936 return; 937 } 938 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 939 sc->tulip_flags |= TULIP_WANTRXACT; 940 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 941 sc->tulip_probe_media = TULIP_MEDIA_BNC; 942 } else { 943 sc->tulip_probe_media = TULIP_MEDIA_AUI; 944 } 945 tulip_media_set(sc, sc->tulip_probe_media); 946 tulip_timeout(sc); 947 return; 948 } 949 950 /* 951 * If we failed, clear the txprobe active flag. 952 */ 953 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 954 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 955 956 957 if (event == TULIP_MEDIAPOLL_TIMER) { 958 /* 959 * If we've received something, then that's our link! 960 */ 961 if (sc->tulip_flags & TULIP_RXACT) { 962 tulip_linkup(sc, sc->tulip_probe_media); 963 return; 964 } 965 /* 966 * if no txprobe active 967 */ 968 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 969 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 970 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 971 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 972 tulip_txprobe(sc); 973 tulip_timeout(sc); 974 return; 975 } 976 /* 977 * Take 2 passes through before deciding to not 978 * wait for receive activity. Then take another 979 * two passes before spitting out a warning. 980 */ 981 if (sc->tulip_probe_timeout <= 0) { 982 if (sc->tulip_flags & TULIP_WANTRXACT) { 983 sc->tulip_flags &= ~TULIP_WANTRXACT; 984 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 985 } else { 986 if_printf(&sc->arpcom.ac_if, 987 "autosense failed: cable problem?\n"); 988 if ((sc->arpcom.ac_if.if_flags & IFF_UP) == 0) { 989 sc->arpcom.ac_if.if_flags &= ~IFF_RUNNING; 990 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 991 return; 992 } 993 } 994 } 995 } 996 997 /* 998 * Since this media failed to probe, try the other one. 999 */ 1000 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1001 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1002 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1003 } else { 1004 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1005 } 1006 tulip_media_set(sc, sc->tulip_probe_media); 1007 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1008 tulip_timeout(sc); 1009 } 1010 1011 static const tulip_boardsw_t tulip_21041_boardsw = { 1012 TULIP_21041_GENERIC, 1013 tulip_21041_media_probe, 1014 tulip_media_select, 1015 tulip_21041_media_poll 1016 }; 1017 1018 static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1019 { 0x20005c00, 0, /* 08-00-17 */ 1020 { 1021 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1022 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1023 }, 1024 }, 1025 { 0x0281F400, 0, /* 00-A0-7D */ 1026 { 1027 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1028 { }, /* 100TX */ 1029 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1030 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1031 }, 1032 }, 1033 #if 0 1034 { 0x0015F420, 0, /* 00-A0-7D */ 1035 { 1036 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1037 { }, /* 100TX */ 1038 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1039 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1040 }, 1041 }, 1042 #endif 1043 { 0x0281F400, 0, /* 00-A0-BE */ 1044 { 1045 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1046 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1047 { }, /* 100T4 */ 1048 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1049 }, 1050 }, 1051 { 0 } 1052 }; 1053 1054 static tulip_media_t 1055 tulip_mii_phy_readspecific(tulip_softc_t *sc) 1056 { 1057 const tulip_phy_attr_t *attr; 1058 u_int16_t data; 1059 u_int32_t id; 1060 unsigned idx = 0; 1061 static const tulip_media_t table[] = { 1062 TULIP_MEDIA_UNKNOWN, 1063 TULIP_MEDIA_10BASET, 1064 TULIP_MEDIA_100BASETX, 1065 TULIP_MEDIA_100BASET4, 1066 TULIP_MEDIA_UNKNOWN, 1067 TULIP_MEDIA_10BASET_FD, 1068 TULIP_MEDIA_100BASETX_FD, 1069 TULIP_MEDIA_UNKNOWN 1070 }; 1071 1072 /* 1073 * Don't read phy specific registers if link is not up. 1074 */ 1075 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1076 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1077 return TULIP_MEDIA_UNKNOWN; 1078 1079 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1080 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1081 for (attr = tulip_mii_phy_attrlist;; attr++) { 1082 if (attr->attr_id == 0) 1083 return TULIP_MEDIA_UNKNOWN; 1084 if ((id & ~0x0F) == attr->attr_id) 1085 break; 1086 } 1087 1088 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1089 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_100TX]; 1090 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1091 if ((data & pm->pm_mask) == pm->pm_value) 1092 idx = 2; 1093 } 1094 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1095 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_100T4]; 1096 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1097 if ((data & pm->pm_mask) == pm->pm_value) 1098 idx = 3; 1099 } 1100 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1101 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_10T]; 1102 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1103 if ((data & pm->pm_mask) == pm->pm_value) 1104 idx = 1; 1105 } 1106 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1107 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1108 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1109 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1110 } 1111 return table[idx]; 1112 } 1113 1114 static u_int 1115 tulip_mii_get_phyaddr(tulip_softc_t *sc, u_int offset) 1116 { 1117 u_int phyaddr; 1118 1119 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1120 u_int status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1121 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1122 continue; 1123 if (offset == 0) 1124 return phyaddr; 1125 offset--; 1126 } 1127 if (offset == 0) { 1128 u_int status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1129 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1130 return TULIP_MII_NOPHY; 1131 return 0; 1132 } 1133 return TULIP_MII_NOPHY; 1134 } 1135 1136 static int 1137 tulip_mii_map_abilities(tulip_softc_t *sc, u_int abilities) 1138 { 1139 sc->tulip_abilities = abilities; 1140 if (abilities & PHYSTS_100BASETX_FD) { 1141 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1142 } else if (abilities & PHYSTS_100BASET4) { 1143 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1144 } else if (abilities & PHYSTS_100BASETX) { 1145 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1146 } else if (abilities & PHYSTS_10BASET_FD) { 1147 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1148 } else if (abilities & PHYSTS_10BASET) { 1149 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1150 } else { 1151 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1152 return 0; 1153 } 1154 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1155 return 1; 1156 } 1157 1158 static void 1159 tulip_mii_autonegotiate(tulip_softc_t *sc, u_int phyaddr) 1160 { 1161 switch (sc->tulip_probe_state) { 1162 case TULIP_PROBE_MEDIATEST: 1163 case TULIP_PROBE_INACTIVE: { 1164 sc->tulip_flags |= TULIP_DIDNWAY; 1165 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1166 sc->tulip_probe_timeout = 3000; 1167 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1168 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1169 /* FALL THROUGH */ 1170 } 1171 case TULIP_PROBE_PHYRESET: { 1172 uint32_t status; 1173 uint32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1174 if (data & PHYCTL_RESET) { 1175 if (sc->tulip_probe_timeout > 0) { 1176 tulip_timeout(sc); 1177 return; 1178 } 1179 if_printf(&sc->arpcom.ac_if, 1180 "(phy%d): error: reset of PHY never completed!\n", phyaddr); 1181 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1182 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1183 sc->arpcom.ac_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1184 return; 1185 } 1186 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1187 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1188 sc->tulip_flags &= ~TULIP_DIDNWAY; 1189 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1190 return; 1191 } 1192 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1193 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1194 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1195 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1196 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1197 sc->tulip_probe_timeout = 3000; 1198 /* FALL THROUGH */ 1199 } 1200 case TULIP_PROBE_PHYAUTONEG: { 1201 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1202 u_int32_t data; 1203 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1204 if (sc->tulip_probe_timeout > 0) { 1205 tulip_timeout(sc); 1206 return; 1207 } 1208 sc->tulip_flags &= ~TULIP_DIDNWAY; 1209 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1210 return; 1211 } 1212 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1213 data = (data << 6) & status; 1214 if (!tulip_mii_map_abilities(sc, data)) 1215 sc->tulip_flags &= ~TULIP_DIDNWAY; 1216 return; 1217 } 1218 default: { 1219 #if defined(DIAGNOSTIC) 1220 panic("tulip_media_poll: botch at line %d", __LINE__); 1221 #endif 1222 break; 1223 } 1224 } 1225 } 1226 1227 static void 1228 tulip_2114x_media_preset(tulip_softc_t *sc) 1229 { 1230 const tulip_media_info_t *mi = NULL; 1231 tulip_media_t media; 1232 1233 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1234 media = sc->tulip_media; 1235 else 1236 media = sc->tulip_probe_media; 1237 1238 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1239 sc->tulip_flags &= ~TULIP_SQETEST; 1240 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1241 mi = sc->tulip_mediums[media]; 1242 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1243 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1244 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1245 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1246 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1247 sc->tulip_cmdmode |= mi->mi_cmdmode; 1248 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1249 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1250 } 1251 } 1252 switch (media) { 1253 case TULIP_MEDIA_BNC: 1254 case TULIP_MEDIA_AUI: 1255 case TULIP_MEDIA_10BASET: { 1256 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1257 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1258 sc->arpcom.ac_if.if_baudrate = 10000000; 1259 sc->tulip_flags |= TULIP_SQETEST; 1260 break; 1261 } 1262 case TULIP_MEDIA_10BASET_FD: { 1263 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1264 sc->arpcom.ac_if.if_baudrate = 10000000; 1265 break; 1266 } 1267 case TULIP_MEDIA_100BASEFX: 1268 case TULIP_MEDIA_100BASET4: 1269 case TULIP_MEDIA_100BASETX: { 1270 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1271 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1272 sc->arpcom.ac_if.if_baudrate = 100000000; 1273 break; 1274 } 1275 case TULIP_MEDIA_100BASEFX_FD: 1276 case TULIP_MEDIA_100BASETX_FD: { 1277 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1278 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1279 sc->arpcom.ac_if.if_baudrate = 100000000; 1280 break; 1281 } 1282 default: { 1283 break; 1284 } 1285 } 1286 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1287 } 1288 1289 /* 1290 ******************************************************************** 1291 * Start of 21140/21140A support which does not use the MII interface 1292 */ 1293 1294 static void 1295 tulip_null_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event) 1296 { 1297 #if defined(DIAGNOSTIC) 1298 if_printf(&sc->arpcom.ac_if, "botch(media_poll) at line %d\n", __LINE__); 1299 #endif 1300 } 1301 1302 static void 1303 tulip_21140_mediainit(tulip_softc_t *sc, tulip_media_info_t *mip, 1304 tulip_media_t media, u_int gpdata, u_int cmdmode) 1305 { 1306 sc->tulip_mediums[media] = mip; 1307 mip->mi_type = TULIP_MEDIAINFO_GPR; 1308 mip->mi_cmdmode = cmdmode; 1309 mip->mi_gpdata = gpdata; 1310 } 1311 1312 static void 1313 tulip_21140_evalboard_media_probe(tulip_softc_t *sc) 1314 { 1315 tulip_media_info_t *mip = sc->tulip_mediainfo; 1316 1317 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1318 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1319 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1320 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1321 TULIP_CSR_WRITE(sc, csr_command, 1322 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1323 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1324 TULIP_CSR_WRITE(sc, csr_command, 1325 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1326 DELAY(1000000); 1327 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1328 sc->tulip_media = TULIP_MEDIA_10BASET; 1329 } else { 1330 sc->tulip_media = TULIP_MEDIA_100BASETX; 1331 } 1332 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1333 TULIP_GP_EB_INIT, 1334 TULIP_CMD_TXTHRSHLDCTL); 1335 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1336 TULIP_GP_EB_INIT, 1337 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1338 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1339 TULIP_GP_EB_INIT, 1340 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1341 |TULIP_CMD_SCRAMBLER); 1342 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1343 TULIP_GP_EB_INIT, 1344 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1345 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1346 } 1347 1348 static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1349 TULIP_21140_DEC_EB, 1350 tulip_21140_evalboard_media_probe, 1351 tulip_media_select, 1352 tulip_null_media_poll, 1353 tulip_2114x_media_preset, 1354 }; 1355 1356 static void 1357 tulip_21140_accton_media_probe(tulip_softc_t *sc) 1358 { 1359 tulip_media_info_t *mip = sc->tulip_mediainfo; 1360 u_int gpdata; 1361 1362 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1363 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1364 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1365 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1366 TULIP_CSR_WRITE(sc, csr_command, 1367 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1368 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1369 TULIP_CSR_WRITE(sc, csr_command, 1370 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1371 DELAY(1000000); 1372 gpdata = TULIP_CSR_READ(sc, csr_gp); 1373 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1374 sc->tulip_media = TULIP_MEDIA_10BASET; 1375 } else { 1376 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1377 sc->tulip_media = TULIP_MEDIA_BNC; 1378 } else { 1379 sc->tulip_media = TULIP_MEDIA_100BASETX; 1380 } 1381 } 1382 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1383 TULIP_GP_EN1207_BNC_INIT, 1384 TULIP_CMD_TXTHRSHLDCTL); 1385 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1386 TULIP_GP_EN1207_UTP_INIT, 1387 TULIP_CMD_TXTHRSHLDCTL); 1388 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1389 TULIP_GP_EN1207_UTP_INIT, 1390 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1391 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1392 TULIP_GP_EN1207_100_INIT, 1393 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1394 |TULIP_CMD_SCRAMBLER); 1395 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1396 TULIP_GP_EN1207_100_INIT, 1397 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1398 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1399 } 1400 1401 static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1402 TULIP_21140_EN1207, 1403 tulip_21140_accton_media_probe, 1404 tulip_media_select, 1405 tulip_null_media_poll, 1406 tulip_2114x_media_preset, 1407 }; 1408 1409 static void 1410 tulip_21140_smc9332_media_probe(tulip_softc_t *sc) 1411 { 1412 tulip_media_info_t *mip = sc->tulip_mediainfo; 1413 int idx, cnt = 0; 1414 1415 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1416 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1417 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1418 33MHz that comes to two microseconds but wait a 1419 bit longer anyways) */ 1420 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1421 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1422 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1423 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1424 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1425 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1426 DELAY(200000); 1427 for (idx = 1000; idx > 0; idx--) { 1428 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1429 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1430 if (++cnt > 100) 1431 break; 1432 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1433 break; 1434 } else { 1435 cnt = 0; 1436 } 1437 DELAY(1000); 1438 } 1439 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1440 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1441 TULIP_GP_SMC_9332_INIT, 1442 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1443 |TULIP_CMD_SCRAMBLER); 1444 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1445 TULIP_GP_SMC_9332_INIT, 1446 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1447 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1448 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1449 TULIP_GP_SMC_9332_INIT, 1450 TULIP_CMD_TXTHRSHLDCTL); 1451 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1452 TULIP_GP_SMC_9332_INIT, 1453 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1454 } 1455 1456 static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1457 TULIP_21140_SMC_9332, 1458 tulip_21140_smc9332_media_probe, 1459 tulip_media_select, 1460 tulip_null_media_poll, 1461 tulip_2114x_media_preset, 1462 }; 1463 1464 static void 1465 tulip_21140_cogent_em100_media_probe(tulip_softc_t *sc) 1466 { 1467 tulip_media_info_t *mip = sc->tulip_mediainfo; 1468 uint32_t cmdmode; 1469 1470 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1471 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1472 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1473 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1474 1475 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1476 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1477 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1478 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1479 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1480 1481 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1482 TULIP_GP_EM100_INIT, 1483 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1484 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1485 TULIP_GP_EM100_INIT, 1486 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1487 |TULIP_CMD_FULLDUPLEX); 1488 } else { 1489 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1490 sc->tulip_media = TULIP_MEDIA_100BASETX; 1491 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1492 TULIP_GP_EM100_INIT, 1493 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1494 |TULIP_CMD_SCRAMBLER); 1495 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1496 TULIP_GP_EM100_INIT, 1497 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1498 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1499 } 1500 } 1501 1502 static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1503 TULIP_21140_COGENT_EM100, 1504 tulip_21140_cogent_em100_media_probe, 1505 tulip_media_select, 1506 tulip_null_media_poll, 1507 tulip_2114x_media_preset 1508 }; 1509 1510 static void 1511 tulip_21140_znyx_zx34x_media_probe(tulip_softc_t *sc) 1512 { 1513 tulip_media_info_t *mip = sc->tulip_mediainfo; 1514 int cnt10 = 0, cnt100 = 0, idx; 1515 1516 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1517 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1518 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1519 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1520 TULIP_CSR_WRITE(sc, csr_command, 1521 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1522 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1523 TULIP_CSR_WRITE(sc, csr_command, 1524 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1525 1526 DELAY(200000); 1527 for (idx = 1000; idx > 0; idx--) { 1528 uint32_t csr = TULIP_CSR_READ(sc, csr_gp); 1529 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)) { 1530 if (++cnt100 > 100) 1531 break; 1532 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1533 if (++cnt10 > 100) 1534 break; 1535 } else { 1536 cnt10 = 0; 1537 cnt100 = 0; 1538 } 1539 DELAY(1000); 1540 } 1541 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1542 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1543 TULIP_GP_ZX34X_INIT, 1544 TULIP_CMD_TXTHRSHLDCTL); 1545 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1546 TULIP_GP_ZX34X_INIT, 1547 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1548 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1549 TULIP_GP_ZX34X_INIT, 1550 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1551 |TULIP_CMD_SCRAMBLER); 1552 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1553 TULIP_GP_ZX34X_INIT, 1554 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1555 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1556 } 1557 1558 static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1559 TULIP_21140_ZNYX_ZX34X, 1560 tulip_21140_znyx_zx34x_media_probe, 1561 tulip_media_select, 1562 tulip_null_media_poll, 1563 tulip_2114x_media_preset, 1564 }; 1565 1566 static void 1567 tulip_2114x_media_probe(tulip_softc_t *sc) 1568 { 1569 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE | TULIP_CMD_BACKOFFCTR | 1570 TULIP_CMD_THRSHLD72; 1571 } 1572 1573 static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1574 TULIP_21140_ISV, 1575 tulip_2114x_media_probe, 1576 tulip_media_select, 1577 tulip_media_poll, 1578 tulip_2114x_media_preset, 1579 }; 1580 1581 /* 1582 * ******** END of chip-specific handlers. *********** 1583 */ 1584 1585 /* 1586 * Code the read the SROM and MII bit streams (I2C) 1587 */ 1588 #define EMIT do { \ 1589 TULIP_CSR_WRITE(sc, csr_srom_mii, csr); \ 1590 DELAY(1); \ 1591 } while (0) 1592 1593 static void 1594 tulip_srom_idle(tulip_softc_t *sc) 1595 { 1596 u_int bit, csr; 1597 1598 csr = SROMSEL ; EMIT; 1599 csr = SROMSEL | SROMRD; EMIT; 1600 csr ^= SROMCS; EMIT; 1601 csr ^= SROMCLKON; EMIT; 1602 1603 /* 1604 * Write 25 cycles of 0 which will force the SROM to be idle. 1605 */ 1606 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1607 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1608 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1609 } 1610 csr ^= SROMCLKOFF; EMIT; 1611 csr ^= SROMCS; EMIT; 1612 csr = 0; EMIT; 1613 } 1614 1615 static void 1616 tulip_srom_read(tulip_softc_t *sc) 1617 { 1618 const u_int bitwidth = SROM_BITWIDTH; 1619 const u_int cmdmask = (SROMCMD_RD << bitwidth); 1620 const u_int msb = 1 << (bitwidth + 3 - 1); 1621 u_int idx, lastidx = (1 << bitwidth) - 1; 1622 1623 tulip_srom_idle(sc); 1624 1625 for (idx = 0; idx <= lastidx; idx++) { 1626 u_int lastbit, data, bits, bit, csr; 1627 csr = SROMSEL ; EMIT; 1628 csr = SROMSEL | SROMRD; EMIT; 1629 csr ^= SROMCSON; EMIT; 1630 csr ^= SROMCLKON; EMIT; 1631 1632 lastbit = 0; 1633 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1634 u_int thisbit = bits & msb; 1635 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1636 if (thisbit != lastbit) { 1637 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1638 } else { 1639 EMIT; 1640 } 1641 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1642 lastbit = thisbit; 1643 } 1644 csr ^= SROMCLKOFF; EMIT; 1645 1646 for (data = 0, bits = 0; bits < 16; bits++) { 1647 data <<= 1; 1648 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1649 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1650 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1651 } 1652 sc->tulip_rombuf[idx*2] = data & 0xFF; 1653 sc->tulip_rombuf[idx*2+1] = data >> 8; 1654 csr = SROMSEL | SROMRD; EMIT; 1655 csr = 0; EMIT; 1656 } 1657 tulip_srom_idle(sc); 1658 } 1659 1660 #define MII_EMIT do { \ 1661 TULIP_CSR_WRITE(sc, csr_srom_mii, csr); \ 1662 DELAY(1); \ 1663 } while (0) 1664 1665 static void 1666 tulip_mii_writebits(tulip_softc_t *sc, u_int data, u_int bits) 1667 { 1668 u_int csr, msb, lastbit; 1669 1670 msb = 1 << (bits - 1); 1671 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1672 lastbit = (csr & MII_DOUT) ? msb : 0; 1673 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1674 1675 for (; bits > 0; bits--, data <<= 1) { 1676 const unsigned thisbit = data & msb; 1677 if (thisbit != lastbit) { 1678 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1679 } 1680 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1681 lastbit = thisbit; 1682 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1683 } 1684 } 1685 1686 static void 1687 tulip_mii_turnaround(tulip_softc_t *sc, u_int cmd) 1688 { 1689 u_int csr; 1690 1691 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1692 1693 if (cmd == MII_WRCMD) { 1694 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1695 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1696 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1697 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1698 } else { 1699 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1700 } 1701 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1702 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1703 } 1704 1705 static u_int 1706 tulip_mii_readbits(tulip_softc_t *sc) 1707 { 1708 u_int csr, data, idx; 1709 1710 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1711 1712 for (idx = 0, data = 0; idx < 16; idx++) { 1713 data <<= 1; /* this is NOOP on the first pass through */ 1714 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1715 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1716 data |= 1; 1717 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1718 } 1719 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1720 1721 return data; 1722 } 1723 1724 static u_int 1725 tulip_mii_readreg(tulip_softc_t *sc, u_int devaddr, u_int regno) 1726 { 1727 u_int csr; 1728 u_int data; 1729 1730 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1731 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1732 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1733 tulip_mii_writebits(sc, MII_RDCMD, 8); 1734 tulip_mii_writebits(sc, devaddr, 5); 1735 tulip_mii_writebits(sc, regno, 5); 1736 tulip_mii_turnaround(sc, MII_RDCMD); 1737 1738 data = tulip_mii_readbits(sc); 1739 return data; 1740 } 1741 1742 static void 1743 tulip_mii_writereg(tulip_softc_t *sc, u_int devaddr, u_int regno, u_int data) 1744 { 1745 u_int csr; 1746 1747 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1748 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1749 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1750 tulip_mii_writebits(sc, MII_WRCMD, 8); 1751 tulip_mii_writebits(sc, devaddr, 5); 1752 tulip_mii_writebits(sc, regno, 5); 1753 tulip_mii_turnaround(sc, MII_WRCMD); 1754 tulip_mii_writebits(sc, data, 16); 1755 } 1756 1757 #define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF) 1758 #define tulip_srom_crcok(databuf) ( \ 1759 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 1760 ((databuf)[126] | ((databuf)[127] << 8))) 1761 1762 static void 1763 tulip_identify_dec_nic(tulip_softc_t *sc) 1764 { 1765 strcpy(sc->tulip_boardid, "DEC "); 1766 #define D0 4 1767 if (sc->tulip_chipid <= TULIP_21040) 1768 return; 1769 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 1770 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 1771 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 1772 sc->tulip_boardid[D0+8] = ' '; 1773 } 1774 #undef D0 1775 } 1776 1777 static void 1778 tulip_identify_znyx_nic(tulip_softc_t * const sc) 1779 { 1780 u_int id = 0; 1781 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 1782 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 1783 u_int znyx_ptr; 1784 sc->tulip_boardid[8] = '4'; 1785 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 1786 if (znyx_ptr < 26 || znyx_ptr > 116) { 1787 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1788 return; 1789 } 1790 /* ZX344 = 0010 .. 0013FF 1791 */ 1792 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 1793 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 1794 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 1795 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 1796 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 1797 sc->tulip_boardid[9] = '2'; 1798 if (id == TULIP_ZNYX_ID_ZX342B) { 1799 sc->tulip_boardid[10] = 'B'; 1800 sc->tulip_boardid[11] = ' '; 1801 } 1802 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1803 } else if (id == TULIP_ZNYX_ID_ZX344) { 1804 sc->tulip_boardid[10] = '4'; 1805 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1806 } else if (id == TULIP_ZNYX_ID_ZX345) { 1807 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 1808 } else if (id == TULIP_ZNYX_ID_ZX346) { 1809 sc->tulip_boardid[9] = '6'; 1810 } else if (id == TULIP_ZNYX_ID_ZX351) { 1811 sc->tulip_boardid[8] = '5'; 1812 sc->tulip_boardid[9] = '1'; 1813 } 1814 } 1815 if (id == 0) { 1816 /* 1817 * Assume it's a ZX342... 1818 */ 1819 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1820 } 1821 return; 1822 } 1823 sc->tulip_boardid[8] = '1'; 1824 if (sc->tulip_chipid == TULIP_21041) { 1825 sc->tulip_boardid[10] = '1'; 1826 return; 1827 } 1828 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 1829 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 1830 if (id == TULIP_ZNYX_ID_ZX312T) { 1831 sc->tulip_boardid[9] = '2'; 1832 sc->tulip_boardid[10] = 'T'; 1833 sc->tulip_boardid[11] = ' '; 1834 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1835 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 1836 sc->tulip_boardid[9] = '4'; 1837 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1838 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1839 } else if (id == TULIP_ZNYX_ID_ZX314) { 1840 sc->tulip_boardid[9] = '4'; 1841 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1842 sc->tulip_features |= TULIP_HAVE_BASEROM; 1843 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 1844 sc->tulip_boardid[9] = '5'; 1845 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1846 } else if (id == TULIP_ZNYX_ID_ZX315) { 1847 sc->tulip_boardid[9] = '5'; 1848 sc->tulip_features |= TULIP_HAVE_BASEROM; 1849 } else { 1850 id = 0; 1851 } 1852 } 1853 if (id == 0) { 1854 if ((sc->arpcom.ac_enaddr[3] & ~3) == 0xF0 && (sc->arpcom.ac_enaddr[5] & 2) == 0) { 1855 sc->tulip_boardid[9] = '4'; 1856 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1857 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1858 } else if ((sc->arpcom.ac_enaddr[3] & ~3) == 0xF4 && (sc->arpcom.ac_enaddr[5] & 1) == 0) { 1859 sc->tulip_boardid[9] = '5'; 1860 sc->tulip_boardsw = &tulip_21040_boardsw; 1861 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1862 } else if ((sc->arpcom.ac_enaddr[3] & ~3) == 0xEC) { 1863 sc->tulip_boardid[9] = '2'; 1864 sc->tulip_boardsw = &tulip_21040_boardsw; 1865 } 1866 } 1867 } 1868 1869 static void 1870 tulip_identify_smc_nic(tulip_softc_t * const sc) 1871 { 1872 uint32_t id1, id2, ei; 1873 int auibnc = 0, utp = 0; 1874 char *cp; 1875 1876 strcpy(sc->tulip_boardid, "SMC "); 1877 if (sc->tulip_chipid == TULIP_21041) 1878 return; 1879 if (sc->tulip_chipid != TULIP_21040) { 1880 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 1881 strcpy(&sc->tulip_boardid[4], "9332DST "); 1882 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 1883 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 1884 strcpy(&sc->tulip_boardid[4], "9334BDT "); 1885 } else { 1886 strcpy(&sc->tulip_boardid[4], "9332BDT "); 1887 } 1888 return; 1889 } 1890 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 1891 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 1892 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 1893 1894 strcpy(&sc->tulip_boardid[4], "8432"); 1895 cp = &sc->tulip_boardid[8]; 1896 if ((id1 & 1) == 0) 1897 *cp++ = 'B', auibnc = 1; 1898 if ((id1 & 0xFF) > 0x32) 1899 *cp++ = 'T', utp = 1; 1900 if ((id1 & 0x4000) == 0) 1901 *cp++ = 'A', auibnc = 1; 1902 if (id2 == 0x15) { 1903 sc->tulip_boardid[7] = '4'; 1904 *cp++ = '-'; 1905 *cp++ = 'C'; 1906 *cp++ = 'H'; 1907 *cp++ = (ei ? '2' : '1'); 1908 } 1909 *cp++ = ' '; 1910 *cp = '\0'; 1911 if (utp && !auibnc) 1912 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1913 else if (!utp && auibnc) 1914 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 1915 } 1916 1917 static void 1918 tulip_identify_cogent_nic(tulip_softc_t * const sc) 1919 { 1920 strcpy(sc->tulip_boardid, "Cogent "); 1921 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 1922 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 1923 strcat(sc->tulip_boardid, "EM100TX "); 1924 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 1925 #if defined(TULIP_COGENT_EM110TX_ID) 1926 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 1927 strcat(sc->tulip_boardid, "EM110TX "); 1928 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 1929 #endif 1930 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1931 strcat(sc->tulip_boardid, "EM100FX "); 1932 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 1933 } 1934 /* 1935 * Magic number (0x24001109U) is the SubVendor (0x2400) and 1936 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 1937 */ 1938 if (*(uint32_t *) sc->tulip_rombuf == 0x24001109U 1939 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 1940 /* 1941 * Cogent (Adaptec) is still mapping all INTs to INTA of 1942 * first 21140. Dumb! Dumb! 1943 */ 1944 strcat(sc->tulip_boardid, "EM440TX "); 1945 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 1946 } 1947 } else if (sc->tulip_chipid == TULIP_21040) { 1948 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1949 } 1950 } 1951 1952 static void 1953 tulip_identify_accton_nic(tulip_softc_t * const sc) 1954 { 1955 strcpy(sc->tulip_boardid, "ACCTON "); 1956 switch (sc->tulip_chipid) { 1957 case TULIP_21140A: 1958 strcat(sc->tulip_boardid, "EN1207 "); 1959 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 1960 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 1961 break; 1962 case TULIP_21140: 1963 strcat(sc->tulip_boardid, "EN1207TX "); 1964 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 1965 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 1966 break; 1967 case TULIP_21040: 1968 strcat(sc->tulip_boardid, "EN1203 "); 1969 sc->tulip_boardsw = &tulip_21040_boardsw; 1970 break; 1971 case TULIP_21041: 1972 strcat(sc->tulip_boardid, "EN1203 "); 1973 sc->tulip_boardsw = &tulip_21041_boardsw; 1974 break; 1975 default: 1976 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 1977 break; 1978 } 1979 } 1980 1981 static void 1982 tulip_identify_asante_nic(tulip_softc_t * const sc) 1983 { 1984 strcpy(sc->tulip_boardid, "Asante "); 1985 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 1986 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 1987 tulip_media_info_t *mi = sc->tulip_mediainfo; 1988 int idx; 1989 /* 1990 * The Asante Fast Ethernet doesn't always ship with a valid 1991 * new format SROM. So if isn't in the new format, we cheat 1992 * set it up as if we had. 1993 */ 1994 1995 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 1996 sc->tulip_gpdata = 0; 1997 1998 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 1999 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2000 DELAY(100); 2001 TULIP_CSR_WRITE(sc, csr_gp, 0); 2002 2003 mi->mi_type = TULIP_MEDIAINFO_MII; 2004 mi->mi_gpr_length = 0; 2005 mi->mi_gpr_offset = 0; 2006 mi->mi_reset_length = 0; 2007 mi->mi_reset_offset = 0; 2008 2009 mi->mi_phyaddr = TULIP_MII_NOPHY; 2010 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2011 DELAY(10000); 2012 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2013 } 2014 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2015 if_printf(&sc->arpcom.ac_if, "can't find phy 0\n"); 2016 return; 2017 } 2018 2019 sc->tulip_features |= TULIP_HAVE_MII; 2020 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2021 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2022 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2023 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2024 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2025 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2026 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2027 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2028 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2029 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2030 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2031 2032 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2033 } 2034 } 2035 2036 static void 2037 tulip_identify_compex_nic(tulip_softc_t *sc) 2038 { 2039 strcpy(sc->tulip_boardid, "COMPEX "); 2040 if (sc->tulip_chipid == TULIP_21140A) { 2041 int root_unit; 2042 tulip_softc_t *root_sc = NULL; 2043 2044 strcat(sc->tulip_boardid, "400TX/PCI "); 2045 /* 2046 * All 4 chips on these boards share an interrupt. This code 2047 * copied from tulip_read_macaddr. 2048 */ 2049 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2050 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2051 root_sc = tulips[root_unit]; 2052 if (root_sc == NULL 2053 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2054 break; 2055 root_sc = NULL; 2056 } 2057 if (root_sc != NULL 2058 && root_sc->tulip_chipid == sc->tulip_chipid 2059 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2060 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2061 sc->tulip_slaves = root_sc->tulip_slaves; 2062 root_sc->tulip_slaves = sc; 2063 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) { 2064 if_printf(&sc->arpcom.ac_if, "can't find master device for interrupts"); 2065 } 2066 } else { 2067 strcat(sc->tulip_boardid, "unknown "); 2068 } 2069 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2070 return; 2071 } 2072 2073 static int 2074 tulip_srom_decode(tulip_softc_t *sc) 2075 { 2076 u_int idx1, idx2, idx3; 2077 2078 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2079 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2080 tulip_srom_media_t srom_media; 2081 tulip_media_info_t *mi = sc->tulip_mediainfo; 2082 const uint8_t *dp; 2083 uint32_t leaf_offset, blocks, data; 2084 2085 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2086 if (shp->sh_adapter_count == 1) 2087 break; 2088 if (saip->sai_device == sc->tulip_pci_devno) 2089 break; 2090 } 2091 /* 2092 * Didn't find the right media block for this card. 2093 */ 2094 if (idx1 == shp->sh_adapter_count) 2095 return 0; 2096 2097 /* 2098 * Save the hardware address. 2099 */ 2100 bcopy(shp->sh_ieee802_address, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 2101 /* 2102 * If this is a multiple port card, add the adapter index to the last 2103 * byte of the hardware address. (if it isn't multiport, adding 0 2104 * won't hurt. 2105 */ 2106 sc->arpcom.ac_enaddr[5] += idx1; 2107 2108 leaf_offset = saip->sai_leaf_offset_lowbyte 2109 + saip->sai_leaf_offset_highbyte * 256; 2110 dp = sc->tulip_rombuf + leaf_offset; 2111 2112 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2113 2114 for (idx2 = 0;; idx2++) { 2115 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2116 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2117 break; 2118 } 2119 sc->tulip_connidx = idx2; 2120 2121 if (sc->tulip_chipid == TULIP_21041) { 2122 blocks = *dp++; 2123 for (idx2 = 0; idx2 < blocks; idx2++) { 2124 tulip_media_t media; 2125 data = *dp++; 2126 srom_media = (tulip_srom_media_t) (data & 0x3F); 2127 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2128 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2129 break; 2130 } 2131 media = tulip_srom_mediums[idx3].sm_type; 2132 if (media != TULIP_MEDIA_UNKNOWN) { 2133 if (data & TULIP_SROM_21041_EXTENDED) { 2134 mi->mi_type = TULIP_MEDIAINFO_SIA; 2135 sc->tulip_mediums[media] = mi; 2136 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2137 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2138 mi->mi_sia_general = dp[4] + dp[5] * 256; 2139 mi++; 2140 } else { 2141 switch (media) { 2142 case TULIP_MEDIA_BNC: { 2143 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2144 mi++; 2145 break; 2146 } 2147 case TULIP_MEDIA_AUI: { 2148 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2149 mi++; 2150 break; 2151 } 2152 case TULIP_MEDIA_10BASET: { 2153 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2154 mi++; 2155 break; 2156 } 2157 case TULIP_MEDIA_10BASET_FD: { 2158 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2159 mi++; 2160 break; 2161 } 2162 default: { 2163 break; 2164 } 2165 } 2166 } 2167 } 2168 if (data & TULIP_SROM_21041_EXTENDED) 2169 dp += 6; 2170 } 2171 #ifdef notdef 2172 if (blocks == 0) { 2173 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2174 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2175 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2176 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2177 } 2178 #endif 2179 } else { 2180 unsigned length, type; 2181 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2182 if (sc->tulip_features & TULIP_HAVE_GPR) 2183 sc->tulip_gpinit = *dp++; 2184 blocks = *dp++; 2185 for (idx2 = 0; idx2 < blocks; idx2++) { 2186 const uint8_t *ep; 2187 if ((*dp & 0x80) == 0) { 2188 length = 4; 2189 type = 0; 2190 } else { 2191 length = (*dp++ & 0x7f) - 1; 2192 type = *dp++ & 0x3f; 2193 } 2194 ep = dp + length; 2195 switch (type & 0x3f) { 2196 case 0: { /* 21140[A] GPR block */ 2197 tulip_media_t media; 2198 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2199 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2200 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2201 break; 2202 } 2203 media = tulip_srom_mediums[idx3].sm_type; 2204 if (media == TULIP_MEDIA_UNKNOWN) 2205 break; 2206 mi->mi_type = TULIP_MEDIAINFO_GPR; 2207 sc->tulip_mediums[media] = mi; 2208 mi->mi_gpdata = dp[1]; 2209 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2210 sc->tulip_gpdata = mi->mi_gpdata; 2211 gp_media = media; 2212 } 2213 data = dp[2] + dp[3] * 256; 2214 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2215 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2216 mi->mi_actmask = 0; 2217 } else { 2218 #if 0 2219 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2220 #endif 2221 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2222 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2223 } 2224 mi++; 2225 break; 2226 } 2227 case 1: { /* 21140[A] MII block */ 2228 const u_int phyno = *dp++; 2229 mi->mi_type = TULIP_MEDIAINFO_MII; 2230 mi->mi_gpr_length = *dp++; 2231 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2232 dp += mi->mi_gpr_length; 2233 mi->mi_reset_length = *dp++; 2234 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2235 dp += mi->mi_reset_length; 2236 2237 /* 2238 * Before we probe for a PHY, use the GPR information 2239 * to select it. If we don't, it may be inaccessible. 2240 */ 2241 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2242 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2243 DELAY(10); 2244 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2245 } 2246 sc->tulip_phyaddr = mi->mi_phyaddr; 2247 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2248 DELAY(10); 2249 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2250 } 2251 2252 /* 2253 * At least write something! 2254 */ 2255 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2256 TULIP_CSR_WRITE(sc, csr_gp, 0); 2257 2258 mi->mi_phyaddr = TULIP_MII_NOPHY; 2259 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2260 DELAY(10000); 2261 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2262 } 2263 if (mi->mi_phyaddr == TULIP_MII_NOPHY) 2264 break; 2265 sc->tulip_features |= TULIP_HAVE_MII; 2266 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2267 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2268 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2269 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2270 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2271 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2272 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2273 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2274 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2275 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2276 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2277 mi++; 2278 break; 2279 } 2280 case 2: { /* 2114[23] SIA block */ 2281 tulip_media_t media; 2282 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2283 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2284 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2285 break; 2286 } 2287 media = tulip_srom_mediums[idx3].sm_type; 2288 if (media == TULIP_MEDIA_UNKNOWN) 2289 break; 2290 mi->mi_type = TULIP_MEDIAINFO_SIA; 2291 sc->tulip_mediums[media] = mi; 2292 if (dp[0] & 0x40) { 2293 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2294 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2295 mi->mi_sia_general = dp[5] + dp[6] * 256; 2296 dp += 6; 2297 } else { 2298 switch (media) { 2299 case TULIP_MEDIA_BNC: { 2300 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2301 break; 2302 } 2303 case TULIP_MEDIA_AUI: { 2304 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2305 break; 2306 } 2307 case TULIP_MEDIA_10BASET: { 2308 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2309 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2310 break; 2311 } 2312 case TULIP_MEDIA_10BASET_FD: { 2313 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2314 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2315 break; 2316 } 2317 default: { 2318 goto bad_media; 2319 } 2320 } 2321 } 2322 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2323 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2324 mi++; 2325 bad_media: 2326 break; 2327 } 2328 case 3: { /* 2114[23] MII PHY block */ 2329 const u_int phyno = *dp++; 2330 const uint8_t *dp0; 2331 mi->mi_type = TULIP_MEDIAINFO_MII; 2332 mi->mi_gpr_length = *dp++; 2333 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2334 dp += 2 * mi->mi_gpr_length; 2335 mi->mi_reset_length = *dp++; 2336 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2337 dp += 2 * mi->mi_reset_length; 2338 2339 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2340 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2341 DELAY(10); 2342 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2343 } 2344 sc->tulip_phyaddr = mi->mi_phyaddr; 2345 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2346 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2347 DELAY(10); 2348 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2349 } 2350 2351 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2352 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2353 2354 mi->mi_phyaddr = TULIP_MII_NOPHY; 2355 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2356 DELAY(10000); 2357 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2358 } 2359 if (mi->mi_phyaddr == TULIP_MII_NOPHY) 2360 break; 2361 sc->tulip_features |= TULIP_HAVE_MII; 2362 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2363 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2364 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2365 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2366 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2367 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2368 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2369 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2370 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2371 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2372 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2373 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2374 mi++; 2375 break; 2376 } 2377 case 4: { /* 21143 SYM block */ 2378 tulip_media_t media; 2379 srom_media = (tulip_srom_media_t) dp[0]; 2380 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2381 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2382 break; 2383 } 2384 media = tulip_srom_mediums[idx3].sm_type; 2385 if (media == TULIP_MEDIA_UNKNOWN) 2386 break; 2387 mi->mi_type = TULIP_MEDIAINFO_SYM; 2388 sc->tulip_mediums[media] = mi; 2389 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2390 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2391 data = dp[5] + dp[6] * 256; 2392 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2393 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2394 mi->mi_actmask = 0; 2395 } else { 2396 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2397 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2398 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2399 } 2400 if (TULIP_IS_MEDIA_TP(media)) 2401 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2402 mi++; 2403 break; 2404 } 2405 #if 0 2406 case 5: { /* 21143 Reset block */ 2407 mi->mi_type = TULIP_MEDIAINFO_RESET; 2408 mi->mi_reset_length = *dp++; 2409 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2410 dp += 2 * mi->mi_reset_length; 2411 mi++; 2412 break; 2413 } 2414 #endif 2415 default: { 2416 } 2417 } 2418 dp = ep; 2419 } 2420 } 2421 return mi - sc->tulip_mediainfo; 2422 } 2423 2424 static const struct { 2425 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2426 unsigned char vendor_oui[3]; 2427 } tulip_vendors[] = { 2428 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2429 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2430 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2431 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2432 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2433 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2434 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2435 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2436 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2437 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2438 { NULL } 2439 }; 2440 2441 /* 2442 * This deals with the vagaries of the address roms and the 2443 * brain-deadness that various vendors commit in using them. 2444 */ 2445 static int 2446 tulip_read_macaddr(tulip_softc_t *sc) 2447 { 2448 u_int cksum, rom_cksum, idx; 2449 uint32_t csr; 2450 unsigned char tmpbuf[8]; 2451 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2452 2453 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2454 2455 if (sc->tulip_chipid == TULIP_21040) { 2456 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2457 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2458 int cnt = 0; 2459 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2460 cnt++; 2461 sc->tulip_rombuf[idx] = csr & 0xFF; 2462 } 2463 sc->tulip_boardsw = &tulip_21040_boardsw; 2464 } else { 2465 if (sc->tulip_chipid == TULIP_21041) { 2466 /* 2467 * Thankfully all 21041's act the same. 2468 */ 2469 sc->tulip_boardsw = &tulip_21041_boardsw; 2470 } else { 2471 /* 2472 * Assume all 21140 board are compatible with the 2473 * DEC 10/100 evaluation board. Not really valid but 2474 * it's the best we can do until every one switches to 2475 * the new SROM format. 2476 */ 2477 2478 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2479 } 2480 tulip_srom_read(sc); 2481 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2482 /* 2483 * SROM CRC is valid therefore it must be in the 2484 * new format. 2485 */ 2486 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2487 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2488 /* 2489 * No checksum is present. See if the SROM id checks out; 2490 * the first 18 bytes should be 0 followed by a 1 followed 2491 * by the number of adapters (which we don't deal with yet). 2492 */ 2493 for (idx = 0; idx < 18; idx++) { 2494 if (sc->tulip_rombuf[idx] != 0) 2495 break; 2496 } 2497 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2498 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2499 } else if (sc->tulip_chipid >= TULIP_21142) { 2500 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2501 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2502 } 2503 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2504 if (sc->tulip_chipid != TULIP_21041) 2505 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2506 2507 /* 2508 * If the SROM specifies more than one adapter, tag this as a 2509 * BASE rom. 2510 */ 2511 if (sc->tulip_rombuf[19] > 1) 2512 sc->tulip_features |= TULIP_HAVE_BASEROM; 2513 if (sc->tulip_boardsw == NULL) 2514 return -6; 2515 goto check_oui; 2516 } 2517 } 2518 2519 2520 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2521 /* 2522 * Some folks don't use the standard ethernet rom format 2523 * but instead just put the address in the first 6 bytes 2524 * of the rom and let the rest be all 0xffs. (Can we say 2525 * ZNYX?) (well sometimes they put in a checksum so we'll 2526 * start at 8). 2527 */ 2528 for (idx = 8; idx < 32; idx++) { 2529 if (sc->tulip_rombuf[idx] != 0xFF) 2530 return -4; 2531 } 2532 /* 2533 * Make sure the address is not multicast or locally assigned 2534 * that the OUI is not 00-00-00. 2535 */ 2536 if ((sc->tulip_rombuf[0] & 3) != 0) 2537 return -4; 2538 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2539 && sc->tulip_rombuf[2] == 0) 2540 return -4; 2541 bcopy(sc->tulip_rombuf, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 2542 sc->tulip_features |= TULIP_HAVE_OKROM; 2543 goto check_oui; 2544 } else { 2545 /* 2546 * A number of makers of multiport boards (ZNYX and Cogent) 2547 * only put on one address ROM on their 21040 boards. So 2548 * if the ROM is all zeros (or all 0xFFs), look at the 2549 * previous configured boards (as long as they are on the same 2550 * PCI bus and the bus number is non-zero) until we find the 2551 * master board with address ROM. We then use its address ROM 2552 * as the base for this board. (we add our relative board 2553 * to the last byte of its address). 2554 */ 2555 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2556 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2557 break; 2558 } 2559 if (idx == sizeof(sc->tulip_rombuf)) { 2560 int root_unit; 2561 tulip_softc_t *root_sc = NULL; 2562 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2563 root_sc = tulips[root_unit]; 2564 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2565 break; 2566 root_sc = NULL; 2567 } 2568 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2569 && root_sc->tulip_chipid == sc->tulip_chipid 2570 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2571 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2572 sc->tulip_boardsw = root_sc->tulip_boardsw; 2573 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2574 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2575 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2576 sizeof(sc->tulip_rombuf)); 2577 if (!tulip_srom_decode(sc)) 2578 return -5; 2579 } else { 2580 bcopy(root_sc->arpcom.ac_enaddr, sc->arpcom.ac_enaddr, 2581 ETHER_ADDR_LEN); 2582 sc->arpcom.ac_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2583 } 2584 /* 2585 * Now for a truly disgusting kludge: all 4 21040s on 2586 * the ZX314 share the same INTA line so the mapping 2587 * setup by the BIOS on the PCI bridge is worthless. 2588 * Rather than reprogramming the value in the config 2589 * register, we will handle this internally. 2590 */ 2591 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2592 sc->tulip_slaves = root_sc->tulip_slaves; 2593 root_sc->tulip_slaves = sc; 2594 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2595 } 2596 return 0; 2597 } 2598 } 2599 } 2600 2601 /* 2602 * This is the standard DEC address ROM test. 2603 */ 2604 2605 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2606 return -3; 2607 2608 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2609 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2610 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2611 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2612 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2613 return -2; 2614 2615 bcopy(sc->tulip_rombuf, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 2616 2617 cksum = *(u_int16_t *) &sc->arpcom.ac_enaddr[0]; 2618 cksum *= 2; 2619 if (cksum > 65535) cksum -= 65535; 2620 cksum += *(u_int16_t *) &sc->arpcom.ac_enaddr[2]; 2621 if (cksum > 65535) cksum -= 65535; 2622 cksum *= 2; 2623 if (cksum > 65535) cksum -= 65535; 2624 cksum += *(u_int16_t *) &sc->arpcom.ac_enaddr[4]; 2625 if (cksum >= 65535) cksum -= 65535; 2626 2627 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2628 2629 if (cksum != rom_cksum) 2630 return -1; 2631 2632 check_oui: 2633 /* 2634 * Check for various boards based on OUI. Did I say braindead? 2635 */ 2636 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2637 if (bcmp(sc->arpcom.ac_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { 2638 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2639 break; 2640 } 2641 } 2642 2643 sc->tulip_features |= TULIP_HAVE_OKROM; 2644 return 0; 2645 } 2646 2647 static void 2648 tulip_ifmedia_add(tulip_softc_t * const sc) 2649 { 2650 tulip_media_t media; 2651 int medias = 0; 2652 2653 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2654 if (sc->tulip_mediums[media] != NULL) { 2655 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2656 0, 0); 2657 medias++; 2658 } 2659 } 2660 if (medias == 0) { 2661 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2662 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2663 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2664 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2665 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2666 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2667 } else { 2668 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2669 sc->tulip_flags |= TULIP_PRINTMEDIA; 2670 tulip_linkup(sc, sc->tulip_media); 2671 } 2672 } 2673 2674 static int 2675 tulip_ifmedia_change(struct ifnet *ifp) 2676 { 2677 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 2678 2679 sc->tulip_flags |= TULIP_NEEDRESET; 2680 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2681 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2682 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2683 tulip_media_t media; 2684 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2685 if (sc->tulip_mediums[media] != NULL 2686 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2687 sc->tulip_flags |= TULIP_PRINTMEDIA; 2688 sc->tulip_flags &= ~TULIP_DIDNWAY; 2689 tulip_linkup(sc, media); 2690 return 0; 2691 } 2692 } 2693 } 2694 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2695 tulip_reset(sc); 2696 tulip_init(sc); 2697 return 0; 2698 } 2699 2700 /* 2701 * Media status callback 2702 */ 2703 static void 2704 tulip_ifmedia_status(struct ifnet *ifp, struct ifmediareq *req) 2705 { 2706 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 2707 2708 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 2709 return; 2710 2711 req->ifm_status = IFM_AVALID; 2712 if (sc->tulip_flags & TULIP_LINKUP) 2713 req->ifm_status |= IFM_ACTIVE; 2714 2715 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 2716 } 2717 2718 static void 2719 tulip_addr_filter(tulip_softc_t *sc) 2720 { 2721 struct ifmultiaddr *ifma; 2722 struct ifnet *ifp; 2723 u_char *addrp; 2724 int multicnt; 2725 2726 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 2727 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 2728 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 2729 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 2730 #if defined(IFF_ALLMULTI) 2731 if (sc->arpcom.ac_if.if_flags & IFF_ALLMULTI) 2732 sc->tulip_flags |= TULIP_ALLMULTI ; 2733 #endif 2734 2735 multicnt = 0; 2736 ifp = &sc->arpcom.ac_if; 2737 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 2738 if (ifma->ifma_addr->sa_family == AF_LINK) 2739 multicnt++; 2740 } 2741 2742 if (multicnt > 14) { 2743 uint32_t *sp = sc->tulip_setupdata; 2744 u_int hash; 2745 /* 2746 * Some early passes of the 21140 have broken implementations of 2747 * hash-perfect mode. When we get too many multicasts for perfect 2748 * filtering with these chips, we need to switch into hash-only 2749 * mode (this is better than all-multicast on network with lots 2750 * of multicast traffic). 2751 */ 2752 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 2753 sc->tulip_flags |= TULIP_WANTHASHONLY; 2754 else 2755 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 2756 /* 2757 * If we have more than 14 multicasts, we have 2758 * go into hash perfect mode (512 bit multicast 2759 * hash and one perfect hardware). 2760 */ 2761 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 2762 2763 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 2764 if (ifma->ifma_addr->sa_family != AF_LINK) 2765 continue; 2766 2767 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 2768 sp[hash >> 4] |= htole32(1 << (hash & 0xF)); 2769 } 2770 /* 2771 * No reason to use a hash if we are going to be 2772 * receiving every multicast. 2773 */ 2774 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2775 hash = tulip_mchash(ifp->if_broadcastaddr); 2776 sp[hash >> 4] |= htole32(1 << (hash & 0xF)); 2777 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 2778 hash = tulip_mchash(sc->arpcom.ac_enaddr); 2779 sp[hash >> 4] |= htole32(1 << (hash & 0xF)); 2780 } else { 2781 sp[39] = TULIP_SP_MAC(((u_int16_t *)sc->arpcom.ac_enaddr)[0]); 2782 sp[40] = TULIP_SP_MAC(((u_int16_t *)sc->arpcom.ac_enaddr)[1]); 2783 sp[41] = TULIP_SP_MAC(((u_int16_t *)sc->arpcom.ac_enaddr)[2]); 2784 } 2785 } 2786 } 2787 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 2788 uint32_t *sp = sc->tulip_setupdata; 2789 int idx = 0; 2790 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2791 /* 2792 * Else can get perfect filtering for 16 addresses. 2793 */ 2794 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 2795 if (ifma->ifma_addr->sa_family != AF_LINK) 2796 continue; 2797 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 2798 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[0]); 2799 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[1]); 2800 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[2]); 2801 idx++; 2802 } 2803 /* 2804 * Add the broadcast address. 2805 */ 2806 idx++; 2807 *sp++ = TULIP_SP_MAC(0xFFFF); 2808 *sp++ = TULIP_SP_MAC(0xFFFF); 2809 *sp++ = TULIP_SP_MAC(0xFFFF); 2810 } 2811 /* 2812 * Pad the rest with our hardware address 2813 */ 2814 for (; idx < 16; idx++) { 2815 *sp++ = TULIP_SP_MAC(((u_int16_t *)sc->arpcom.ac_enaddr)[0]); 2816 *sp++ = TULIP_SP_MAC(((u_int16_t *)sc->arpcom.ac_enaddr)[1]); 2817 *sp++ = TULIP_SP_MAC(((u_int16_t *)sc->arpcom.ac_enaddr)[2]); 2818 } 2819 } 2820 #if defined(IFF_ALLMULTI) 2821 if (sc->tulip_flags & TULIP_ALLMULTI) 2822 sc->arpcom.ac_if.if_flags |= IFF_ALLMULTI; 2823 #endif 2824 } 2825 2826 static void 2827 tulip_reset(tulip_softc_t *sc) 2828 { 2829 tulip_ringinfo_t *ri; 2830 tulip_descinfo_t *di; 2831 struct mbuf *m; 2832 uint32_t inreset = (sc->tulip_flags & TULIP_INRESET); 2833 2834 /* 2835 * Brilliant. Simply brilliant. When switching modes/speeds 2836 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 2837 * bits in CSR6 and then do a software reset to get the 21140 2838 * to properly reset its internal pathways to the right places. 2839 * Grrrr. 2840 */ 2841 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 2842 && sc->tulip_boardsw->bd_media_preset != NULL) 2843 (*sc->tulip_boardsw->bd_media_preset)(sc); 2844 2845 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 2846 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 2847 33MHz that comes to two microseconds but wait a 2848 bit longer anyways) */ 2849 2850 if (!inreset) { 2851 sc->tulip_flags |= TULIP_INRESET; 2852 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 2853 ifq_clr_oactive(&sc->arpcom.ac_if.if_snd); 2854 } 2855 2856 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txinfo.ri_dma_addr & 0xffffffff); 2857 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxinfo.ri_dma_addr & 0xffffffff); 2858 TULIP_CSR_WRITE(sc, csr_busmode, 2859 (1 << (3 /*pci_max_burst_len*/ + 8)) 2860 |TULIP_BUSMODE_CACHE_ALIGN8 2861 |TULIP_BUSMODE_READMULTIPLE 2862 |(BYTE_ORDER != LITTLE_ENDIAN ? 2863 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 2864 2865 sc->tulip_txtimer = 0; 2866 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 2867 /* 2868 * Free all the mbufs that were on the transmit ring. 2869 */ 2870 ri = &sc->tulip_txinfo; 2871 for (di = ri->ri_first; di < ri->ri_last; di++) { 2872 m = tulip_dequeue_mbuf(ri, di, SYNC_NONE); 2873 if (m != NULL) 2874 m_freem(m); 2875 di->di_desc->d_status = 0; 2876 } 2877 2878 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 2879 ri->ri_free = ri->ri_max; 2880 TULIP_TXDESC_PRESYNC(ri); 2881 2882 /* 2883 * We need to collect all the mbufs that were on the 2884 * receive ring before we reinit it either to put 2885 * them back on or to know if we have to allocate 2886 * more. 2887 */ 2888 ri = &sc->tulip_rxinfo; 2889 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 2890 ri->ri_free = ri->ri_max; 2891 for (di = ri->ri_first; di < ri->ri_last; di++) { 2892 di->di_desc->d_status = 0; 2893 di->di_desc->d_length1 = 0; di->di_desc->d_addr1 = 0; 2894 di->di_desc->d_length2 = 0; di->di_desc->d_addr2 = 0; 2895 } 2896 TULIP_RXDESC_PRESYNC(ri); 2897 for (di = ri->ri_first; di < ri->ri_last; di++) { 2898 m = tulip_dequeue_mbuf(ri, di, SYNC_NONE); 2899 if (m != NULL) 2900 m_freem(m); 2901 } 2902 2903 /* 2904 * If tulip_reset is being called recursively, exit quickly knowing 2905 * that when the outer tulip_reset returns all the right stuff will 2906 * have happened. 2907 */ 2908 if (inreset) 2909 return; 2910 2911 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 2912 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 2913 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 2914 |TULIP_STS_RXSTOPPED; 2915 2916 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 2917 (*sc->tulip_boardsw->bd_media_select)(sc); 2918 tulip_media_print(sc); 2919 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 2920 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 2921 2922 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 2923 |TULIP_RXACT); 2924 tulip_addr_filter(sc); 2925 } 2926 2927 static void 2928 tulip_init(tulip_softc_t * const sc) 2929 { 2930 if (sc->arpcom.ac_if.if_flags & IFF_UP) { 2931 if ((sc->arpcom.ac_if.if_flags & IFF_RUNNING) == 0) { 2932 /* initialize the media */ 2933 tulip_reset(sc); 2934 } 2935 sc->arpcom.ac_if.if_flags |= IFF_RUNNING; 2936 if (sc->arpcom.ac_if.if_flags & IFF_PROMISC) { 2937 sc->tulip_flags |= TULIP_PROMISC; 2938 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 2939 sc->tulip_intrmask |= TULIP_STS_TXINTR; 2940 } else { 2941 sc->tulip_flags &= ~TULIP_PROMISC; 2942 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 2943 if (sc->tulip_flags & TULIP_ALLMULTI) { 2944 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 2945 } else { 2946 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 2947 } 2948 } 2949 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 2950 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 2951 tulip_rx_intr(sc); 2952 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 2953 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 2954 } else { 2955 ifq_set_oactive(&sc->arpcom.ac_if.if_snd); 2956 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 2957 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 2958 } 2959 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 2960 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 2961 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 2962 tulip_txput_setup(sc); 2963 } else { 2964 sc->arpcom.ac_if.if_flags &= ~IFF_RUNNING; 2965 tulip_reset(sc); 2966 } 2967 } 2968 2969 #define DESC_STATUS(di) (((volatile tulip_desc_t *)((di)->di_desc))->d_status) 2970 #define DESC_FLAG(di) ((di)->di_desc->d_flag) 2971 2972 static void 2973 tulip_rx_intr(tulip_softc_t *sc) 2974 { 2975 tulip_ringinfo_t *ri = &sc->tulip_rxinfo; 2976 struct ifnet *ifp = &sc->arpcom.ac_if; 2977 int fillok = 1; 2978 2979 for (;;) { 2980 tulip_descinfo_t *eop = ri->ri_nextin, *dip; 2981 int total_len = 0, last_offset = 0; 2982 struct mbuf *ms = NULL, *me = NULL; 2983 int accept = 0; 2984 int error; 2985 2986 if (fillok && (ri->ri_max - ri->ri_free) < TULIP_RXQ_TARGET) 2987 goto queue_mbuf; 2988 2989 /* 2990 * If the TULIP has no descriptors, there can't be any receive 2991 * descriptors to process. 2992 */ 2993 if (eop == ri->ri_nextout) 2994 break; 2995 2996 /* 2997 * 90% of the packets will fit in one descriptor. So we optimize 2998 * for that case. 2999 */ 3000 TULIP_RXDESC_POSTSYNC(ri); 3001 if ((DESC_STATUS(eop) & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3002 ms = tulip_dequeue_mbuf(ri, eop, SYNC_RX); 3003 me = ms; 3004 ri->ri_free++; 3005 } else { 3006 /* 3007 * If still owned by the TULIP, don't touch it. 3008 */ 3009 if (DESC_STATUS(eop) & TULIP_DSTS_OWNER) 3010 break; 3011 3012 /* 3013 * It is possible (though improbable unless MCLBYTES < 1518) for 3014 * a received packet to cross more than one receive descriptor. 3015 * We first loop through the descriptor ring making sure we have 3016 * received a complete packet. If not, we bail until the next 3017 * interrupt. 3018 */ 3019 dip = eop; 3020 while ((DESC_STATUS(eop) & TULIP_DSTS_RxLASTDESC) == 0) { 3021 if (++eop == ri->ri_last) 3022 eop = ri->ri_first; 3023 TULIP_RXDESC_POSTSYNC(ri); 3024 if (eop == ri->ri_nextout || (DESC_STATUS(eop) & TULIP_DSTS_OWNER)) { 3025 return; 3026 } 3027 total_len++; 3028 } 3029 3030 /* 3031 * Dequeue the first buffer for the start of the packet. Hopefully 3032 * this will be the only one we need to dequeue. However, if the 3033 * packet consumed multiple descriptors, then we need to dequeue 3034 * those buffers and chain to the starting mbuf. All buffers but 3035 * the last buffer have the same length so we can set that now. 3036 * (we add to last_offset instead of multiplying since we normally 3037 * won't go into the loop and thereby saving ourselves from 3038 * doing a multiplication by 0 in the normal case). 3039 */ 3040 ms = tulip_dequeue_mbuf(ri, dip, SYNC_RX); 3041 ri->ri_free++; 3042 for (me = ms; total_len > 0; total_len--) { 3043 me->m_len = TULIP_RX_BUFLEN; 3044 last_offset += TULIP_RX_BUFLEN; 3045 if (++dip == ri->ri_last) 3046 dip = ri->ri_first; 3047 me->m_next = tulip_dequeue_mbuf(ri, dip, SYNC_RX); 3048 ri->ri_free++; 3049 me = me->m_next; 3050 } 3051 KASSERT(dip == eop, ("mismatched descinfo structs")); 3052 } 3053 3054 /* 3055 * Now get the size of received packet (minus the CRC). 3056 */ 3057 total_len = ((DESC_STATUS(eop) >> 16) & 0x7FFF) - ETHER_CRC_LEN; 3058 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3059 && ((DESC_STATUS(eop) & TULIP_DSTS_ERRSUM) == 0)) { 3060 me->m_len = total_len - last_offset; 3061 sc->tulip_flags |= TULIP_RXACT; 3062 accept = 1; 3063 } else { 3064 IFNET_STAT_INC(ifp, ierrors, 1); 3065 if (DESC_STATUS(eop) & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3066 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3067 } else { 3068 if (DESC_STATUS(eop) & TULIP_DSTS_RxTOOLONG) { 3069 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3070 } 3071 if (DESC_STATUS(eop) & TULIP_DSTS_RxBADCRC) { 3072 if (DESC_STATUS(eop) & TULIP_DSTS_RxDRBBLBIT) { 3073 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3074 } else { 3075 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3076 } 3077 } 3078 } 3079 } 3080 IFNET_STAT_INC(ifp, ipackets, 1); 3081 if (++eop == ri->ri_last) 3082 eop = ri->ri_first; 3083 ri->ri_nextin = eop; 3084 queue_mbuf: 3085 /* 3086 * We have received a good packet that needs to be passed up the 3087 * stack. 3088 */ 3089 if (accept) { 3090 struct mbuf *m0; 3091 3092 KASSERT(ms != NULL, ("no packet to accept")); 3093 /* 3094 * Update the header for the mbuf referencing this receive 3095 * buffer and pass it up the stack. Allocate a new mbuf cluster 3096 * to replace the one we just passed up the stack. 3097 * 3098 * Note that if this packet crossed multiple descriptors 3099 * we don't even try to reallocate all the mbufs here. 3100 * Instead we rely on the test at the beginning of 3101 * the loop to refill for the extra consumed mbufs. 3102 */ 3103 ms->m_pkthdr.len = total_len; 3104 ms->m_pkthdr.rcvif = ifp; 3105 m0 = ms; 3106 ifp->if_input(ifp, m0, NULL, -1); 3107 ms = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 3108 } else if (ms == NULL) { 3109 /* 3110 * If we are priming the TULIP with mbufs, then allocate 3111 * a new cluster for the next descriptor. 3112 */ 3113 ms = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 3114 } 3115 if (ms == NULL) { 3116 /* 3117 * Couldn't allocate a new buffer. Don't bother 3118 * trying to replenish the receive queue. 3119 */ 3120 fillok = 0; 3121 sc->tulip_flags |= TULIP_RXBUFSLOW; 3122 continue; 3123 } 3124 /* 3125 * Now give the buffer(s) to the TULIP and save in our 3126 * receive queue. 3127 */ 3128 do { 3129 tulip_descinfo_t * const nextout = ri->ri_nextout; 3130 3131 M_ASSERTPKTHDR(ms); 3132 KASSERT(ms->m_data == ms->m_ext.ext_buf, 3133 ("rx mbuf data doesn't point to cluster")); 3134 ms->m_len = ms->m_pkthdr.len = TULIP_RX_BUFLEN; 3135 error = bus_dmamap_load_mbuf(ri->ri_data_tag, *nextout->di_map, ms, 3136 tulip_dma_map_rxbuf, nextout->di_desc, BUS_DMA_NOWAIT); 3137 if (error) { 3138 device_printf(sc->tulip_dev, 3139 "unable to load rx map, error = %d\n", error); 3140 panic("tulip_rx_intr"); /* XXX */ 3141 } 3142 nextout->di_desc->d_status = TULIP_DSTS_OWNER; 3143 KASSERT(nextout->di_mbuf == NULL, ("clobbering earlier rx mbuf")); 3144 nextout->di_mbuf = ms; 3145 TULIP_RXDESC_POSTSYNC(ri); 3146 if (++ri->ri_nextout == ri->ri_last) 3147 ri->ri_nextout = ri->ri_first; 3148 ri->ri_free--; 3149 me = ms->m_next; 3150 ms->m_next = NULL; 3151 } while ((ms = me) != NULL); 3152 3153 if ((ri->ri_max - ri->ri_free) >= TULIP_RXQ_TARGET) 3154 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3155 } 3156 } 3157 3158 static int 3159 tulip_tx_intr(tulip_softc_t *sc) 3160 { 3161 tulip_ringinfo_t *ri = &sc->tulip_txinfo; 3162 struct mbuf *m; 3163 int xmits = 0; 3164 int descs = 0; 3165 3166 while (ri->ri_free < ri->ri_max) { 3167 uint32_t d_flag; 3168 3169 TULIP_TXDESC_POSTSYNC(ri); 3170 if (DESC_STATUS(ri->ri_nextin) & TULIP_DSTS_OWNER) 3171 break; 3172 3173 ri->ri_free++; 3174 descs++; 3175 d_flag = DESC_FLAG(ri->ri_nextin); 3176 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3177 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3178 /* 3179 * We've just finished processing a setup packet. 3180 * Mark that we finished it. If there's not 3181 * another pending, startup the TULIP receiver. 3182 * Make sure we ack the RXSTOPPED so we won't get 3183 * an abormal interrupt indication. 3184 */ 3185 bus_dmamap_sync(sc->tulip_setup_tag, sc->tulip_setup_map, 3186 BUS_DMASYNC_POSTWRITE); 3187 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3188 if (DESC_FLAG(ri->ri_nextin) & TULIP_DFLAG_TxINVRSFILT) 3189 sc->tulip_flags |= TULIP_HASHONLY; 3190 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3191 tulip_rx_intr(sc); 3192 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3193 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3194 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3195 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3196 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3197 } 3198 } else { 3199 const uint32_t d_status = DESC_STATUS(ri->ri_nextin); 3200 m = tulip_dequeue_mbuf(ri, ri->ri_nextin, SYNC_TX); 3201 if (m != NULL) { 3202 m_freem(m); 3203 } 3204 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3205 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3206 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3207 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3208 } 3209 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3210 /* 3211 * Escape from the loop before media poll has reset the TULIP! 3212 */ 3213 break; 3214 } else { 3215 xmits++; 3216 if (d_status & TULIP_DSTS_ERRSUM) { 3217 IFNET_STAT_INC(&sc->arpcom.ac_if, oerrors, 1); 3218 if (d_status & TULIP_DSTS_TxEXCCOLL) 3219 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3220 if (d_status & TULIP_DSTS_TxLATECOLL) 3221 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3222 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3223 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3224 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3225 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3226 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3227 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3228 if (d_status & TULIP_DSTS_TxBABBLE) 3229 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3230 } else { 3231 u_int32_t collisions = 3232 (d_status & TULIP_DSTS_TxCOLLMASK) 3233 >> TULIP_DSTS_V_TxCOLLCNT; 3234 IFNET_STAT_INC(&sc->arpcom.ac_if, collisions, collisions); 3235 if (collisions == 1) 3236 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3237 else if (collisions > 1) 3238 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3239 else if (d_status & TULIP_DSTS_TxDEFERRED) 3240 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3241 /* 3242 * SQE is only valid for 10baseT/BNC/AUI when not 3243 * running in full-duplex. In order to speed up the 3244 * test, the corresponding bit in tulip_flags needs to 3245 * set as well to get us to count SQE Test Errors. 3246 */ 3247 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3248 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3249 } 3250 } 3251 } 3252 } 3253 3254 if (++ri->ri_nextin == ri->ri_last) 3255 ri->ri_nextin = ri->ri_first; 3256 3257 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3258 ifq_clr_oactive(&sc->arpcom.ac_if.if_snd); 3259 } 3260 /* 3261 * If nothing left to transmit, disable the timer. 3262 * Else if progress, reset the timer back to 2 ticks. 3263 */ 3264 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3265 sc->tulip_txtimer = 0; 3266 else if (xmits > 0) 3267 sc->tulip_txtimer = TULIP_TXTIMER; 3268 IFNET_STAT_INC(&sc->arpcom.ac_if, opackets, xmits); 3269 return descs; 3270 } 3271 3272 static void 3273 tulip_print_abnormal_interrupt(tulip_softc_t *sc, uint32_t csr) 3274 { 3275 const char * const *msgp = tulip_status_bits; 3276 const char *sep; 3277 uint32_t mask; 3278 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3279 3280 csr &= (1 << (NELEM(tulip_status_bits))) - 1; 3281 if_printf(&sc->arpcom.ac_if, "abnormal interrupt:"); 3282 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3283 if ((csr & mask) && *msgp != NULL) { 3284 kprintf("%s%s", sep, *msgp); 3285 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3286 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3287 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3288 kprintf(" (switching to store-and-forward mode)"); 3289 } else { 3290 kprintf(" (raising TX threshold to %s)", 3291 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3292 } 3293 } 3294 sep = ", "; 3295 } 3296 } 3297 kprintf("\n"); 3298 } 3299 3300 static void 3301 tulip_intr_handler(tulip_softc_t *sc) 3302 { 3303 uint32_t csr; 3304 3305 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3306 TULIP_CSR_WRITE(sc, csr_status, csr); 3307 3308 if (csr & TULIP_STS_SYSERROR) { 3309 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3310 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3311 sc->tulip_flags |= TULIP_SYSTEMERROR; 3312 } else { 3313 if_printf(&sc->arpcom.ac_if, "system error: %s\n", 3314 tulip_system_errors[sc->tulip_last_system_error]); 3315 } 3316 sc->tulip_flags |= TULIP_NEEDRESET; 3317 sc->tulip_system_errors++; 3318 break; 3319 } 3320 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3321 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3322 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3323 ? TULIP_MEDIAPOLL_LINKFAIL 3324 : TULIP_MEDIAPOLL_LINKPASS); 3325 csr &= ~TULIP_STS_ABNRMLINTR; 3326 } 3327 tulip_media_print(sc); 3328 } 3329 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3330 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3331 if (csr & TULIP_STS_RXNOBUF) 3332 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3333 /* 3334 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3335 * on receive overflows. 3336 */ 3337 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3338 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3339 /* 3340 * Stop the receiver process and spin until it's stopped. 3341 * Tell rx_intr to drop the packets it dequeues. 3342 */ 3343 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3344 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3345 ; 3346 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3347 sc->tulip_flags |= TULIP_RXIGNORE; 3348 } 3349 tulip_rx_intr(sc); 3350 if (sc->tulip_flags & TULIP_RXIGNORE) { 3351 /* 3352 * Restart the receiver. 3353 */ 3354 sc->tulip_flags &= ~TULIP_RXIGNORE; 3355 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3356 } 3357 } 3358 if (csr & TULIP_STS_ABNRMLINTR) { 3359 u_int32_t tmp = csr & sc->tulip_intrmask 3360 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3361 if (csr & TULIP_STS_TXUNDERFLOW) { 3362 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3363 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3364 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3365 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3366 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3367 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3368 } 3369 } 3370 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3371 sc->tulip_statusbits |= tmp; 3372 } else { 3373 tulip_print_abnormal_interrupt(sc, tmp); 3374 sc->tulip_flags |= TULIP_NOMESSAGES; 3375 } 3376 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3377 } 3378 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3379 tulip_tx_intr(sc); 3380 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3381 if_devstart(&sc->arpcom.ac_if); 3382 } 3383 } 3384 if (sc->tulip_flags & TULIP_NEEDRESET) { 3385 tulip_reset(sc); 3386 tulip_init(sc); 3387 } 3388 } 3389 3390 static void 3391 tulip_intr_shared(void *arg) 3392 { 3393 tulip_softc_t *sc; 3394 3395 for (sc = arg; sc != NULL; sc = sc->tulip_slaves) 3396 tulip_intr_handler(sc); 3397 } 3398 3399 static void 3400 tulip_intr_normal(void *arg) 3401 { 3402 tulip_softc_t *sc = (tulip_softc_t *)arg; 3403 3404 tulip_intr_handler(sc); 3405 } 3406 3407 static struct mbuf * 3408 tulip_txput(tulip_softc_t *sc, struct mbuf *m) 3409 { 3410 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3411 tulip_descinfo_t *eop, *nextout; 3412 int segcnt, free; 3413 uint32_t d_status; 3414 bus_dma_segment_t segs[TULIP_MAX_TXSEG]; 3415 bus_dmamap_t *map; 3416 int error, nsegs; 3417 struct mbuf *m0; 3418 3419 /* 3420 * Now we try to fill in our transmit descriptors. This is 3421 * a bit reminiscent of going on the Ark two by two 3422 * since each descriptor for the TULIP can describe 3423 * two buffers. So we advance through packet filling 3424 * each of the two entries at a time to to fill each 3425 * descriptor. Clear the first and last segment bits 3426 * in each descriptor (actually just clear everything 3427 * but the end-of-ring or chain bits) to make sure 3428 * we don't get messed up by previously sent packets. 3429 * 3430 * We may fail to put the entire packet on the ring if 3431 * there is either not enough ring entries free or if the 3432 * packet has more than MAX_TXSEG segments. In the former 3433 * case we will just wait for the ring to empty. In the 3434 * latter case we have to recopy. 3435 */ 3436 m0 = m; 3437 d_status = 0; 3438 eop = nextout = ri->ri_nextout; 3439 segcnt = 0; 3440 free = ri->ri_free; 3441 3442 /* 3443 * Reclaim some tx descriptors if we are out since we need at least one 3444 * free descriptor so that we have a dma_map to load the mbuf. 3445 */ 3446 if (free == 0) { 3447 free += tulip_tx_intr(sc); 3448 } 3449 if (free == 0) { 3450 sc->tulip_flags |= TULIP_WANTTXSTART; 3451 goto finish; 3452 } 3453 error = bus_dmamap_load_mbuf_segment(ri->ri_data_tag, *eop->di_map, m, segs, 3454 1, &nsegs, BUS_DMA_NOWAIT); 3455 if (error != 0) { 3456 if (error == EFBIG) { 3457 /* 3458 * The packet exceeds the number of transmit buffer 3459 * entries that we can use for one packet, so we have 3460 * to recopy it into one mbuf and then try again. If 3461 * we can't recopy it, try again later. 3462 */ 3463 m0 = m_defrag(m, M_NOWAIT); 3464 if (m0 == NULL) { 3465 sc->tulip_flags |= TULIP_WANTTXSTART; 3466 goto finish; 3467 } 3468 m = m0; 3469 error = bus_dmamap_load_mbuf_segment(ri->ri_data_tag, *eop->di_map, 3470 m, segs, 1, &nsegs, BUS_DMA_NOWAIT); 3471 } 3472 if (error != 0) { 3473 device_printf(sc->tulip_dev, 3474 "unable to load tx map, error = %d\n", error); 3475 goto finish; 3476 } 3477 } 3478 /* 3479 * Each descriptor allows for up to 2 fragments since we don't use 3480 * the descriptor chaining mode in this driver. 3481 */ 3482 if ((free -= (nsegs + 1) / 2) <= 0 3483 /* 3484 * See if there's any unclaimed space in the transmit ring. 3485 */ 3486 && (free += tulip_tx_intr(sc)) <= 0) { 3487 /* 3488 * There's no more room but since nothing 3489 * has been committed at this point, just 3490 * show output is active, put back the 3491 * mbuf and return. 3492 */ 3493 sc->tulip_flags |= TULIP_WANTTXSTART; 3494 bus_dmamap_unload(ri->ri_data_tag, *eop->di_map); 3495 goto finish; 3496 } 3497 for (; nsegs - segcnt > 1; segcnt += 2) { 3498 eop = nextout; 3499 eop->di_desc->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3500 eop->di_desc->d_status = d_status; 3501 eop->di_desc->d_addr1 = segs[segcnt].ds_addr & 0xffffffff; 3502 eop->di_desc->d_length1 = segs[segcnt].ds_len; 3503 eop->di_desc->d_addr2 = segs[segcnt+1].ds_addr & 0xffffffff; 3504 eop->di_desc->d_length2 = segs[segcnt+1].ds_len; 3505 d_status = TULIP_DSTS_OWNER; 3506 if (++nextout == ri->ri_last) 3507 nextout = ri->ri_first; 3508 } 3509 if (segcnt < nsegs) { 3510 eop = nextout; 3511 eop->di_desc->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3512 eop->di_desc->d_status = d_status; 3513 eop->di_desc->d_addr1 = segs[segcnt].ds_addr & 0xffffffff; 3514 eop->di_desc->d_length1 = segs[segcnt].ds_len; 3515 eop->di_desc->d_addr2 = 0; 3516 eop->di_desc->d_length2 = 0; 3517 if (++nextout == ri->ri_last) 3518 nextout = ri->ri_first; 3519 } 3520 3521 /* 3522 * tulip_tx_intr() harvests the mbuf from the last descriptor in the 3523 * frame. We just used the dmamap in the first descriptor for the 3524 * load operation however. Thus, to let the tulip_dequeue_mbuf() call 3525 * in tulip_tx_intr() unload the correct dmamap, we swap the dmamap 3526 * pointers in the two descriptors if this is a multiple-descriptor 3527 * packet. 3528 */ 3529 if (eop != ri->ri_nextout) { 3530 map = eop->di_map; 3531 eop->di_map = ri->ri_nextout->di_map; 3532 ri->ri_nextout->di_map = map; 3533 } 3534 3535 /* 3536 * bounce a copy to the bpf listener, if any. 3537 */ 3538 if (!(sc->tulip_flags & TULIP_DEVICEPROBE)) 3539 BPF_MTAP(&sc->arpcom.ac_if, m); 3540 3541 /* 3542 * The descriptors have been filled in. Now get ready 3543 * to transmit. 3544 */ 3545 KASSERT(eop->di_mbuf == NULL, ("clobbering earlier tx mbuf")); 3546 eop->di_mbuf = m; 3547 TULIP_TXMAP_PRESYNC(ri, ri->ri_nextout); 3548 m = NULL; 3549 3550 /* 3551 * Make sure the next descriptor after this packet is owned 3552 * by us since it may have been set up above if we ran out 3553 * of room in the ring. 3554 */ 3555 DESC_STATUS(nextout) = 0; 3556 TULIP_TXDESC_PRESYNC(ri); 3557 3558 /* 3559 * Mark the last and first segments, indicate we want a transmit 3560 * complete interrupt, and tell it to transmit! 3561 */ 3562 DESC_FLAG(eop) |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 3563 3564 /* 3565 * Note that ri->ri_nextout is still the start of the packet 3566 * and until we set the OWNER bit, we can still back out of 3567 * everything we have done. 3568 */ 3569 DESC_FLAG(ri->ri_nextout) |= TULIP_DFLAG_TxFIRSTSEG; 3570 TULIP_TXDESC_PRESYNC(ri); 3571 DESC_STATUS(ri->ri_nextout) = TULIP_DSTS_OWNER; 3572 TULIP_TXDESC_PRESYNC(ri); 3573 3574 /* 3575 * This advances the ring for us. 3576 */ 3577 ri->ri_nextout = nextout; 3578 ri->ri_free = free; 3579 3580 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3581 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3582 ifq_set_oactive(&sc->arpcom.ac_if.if_snd); 3583 return NULL; 3584 } 3585 3586 /* 3587 * switch back to the single queueing ifstart. 3588 */ 3589 sc->tulip_flags &= ~TULIP_WANTTXSTART; 3590 if (sc->tulip_txtimer == 0) 3591 sc->tulip_txtimer = TULIP_TXTIMER; 3592 3593 /* 3594 * If we want a txstart, there must be not enough space in the 3595 * transmit ring. So we want to enable transmit done interrupts 3596 * so we can immediately reclaim some space. When the transmit 3597 * interrupt is posted, the interrupt handler will call tx_intr 3598 * to reclaim space and then txstart (since WANTTXSTART is set). 3599 * txstart will move the packet into the transmit ring and clear 3600 * WANTTXSTART thereby causing TXINTR to be cleared. 3601 */ 3602 finish: 3603 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 3604 ifq_set_oactive(&sc->arpcom.ac_if.if_snd); 3605 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 3606 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3607 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3608 } 3609 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 3610 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 3611 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 3612 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3613 } 3614 } 3615 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3616 return m; 3617 } 3618 3619 static void 3620 tulip_txput_setup(tulip_softc_t *sc) 3621 { 3622 tulip_ringinfo_t *ri = &sc->tulip_txinfo; 3623 tulip_desc_t *nextout; 3624 3625 /* 3626 * We will transmit, at most, one setup packet per call to ifstart. 3627 */ 3628 3629 /* 3630 * Try to reclaim some free descriptors.. 3631 */ 3632 if (ri->ri_free < 2) 3633 tulip_tx_intr(sc); 3634 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 3635 sc->tulip_flags |= TULIP_WANTTXSTART; 3636 return; 3637 } 3638 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 3639 sizeof(sc->tulip_setupdata)); 3640 /* 3641 * Clear WANTSETUP and set DOINGSETUP. Since we know that WANTSETUP is 3642 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 3643 */ 3644 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 3645 ri->ri_free--; 3646 nextout = ri->ri_nextout->di_desc; 3647 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3648 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 3649 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 3650 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 3651 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 3652 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 3653 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 3654 3655 nextout->d_length2 = 0; 3656 nextout->d_addr2 = 0; 3657 nextout->d_length1 = sizeof(sc->tulip_setupdata); 3658 nextout->d_addr1 = sc->tulip_setup_dma_addr & 0xffffffff; 3659 bus_dmamap_sync(sc->tulip_setup_tag, sc->tulip_setup_map, 3660 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3661 TULIP_TXDESC_PRESYNC(ri); 3662 3663 /* 3664 * Advance the ring for the next transmit packet. 3665 */ 3666 if (++ri->ri_nextout == ri->ri_last) 3667 ri->ri_nextout = ri->ri_first; 3668 3669 /* 3670 * Make sure the next descriptor is owned by us since it 3671 * may have been set up above if we ran out of room in the 3672 * ring. 3673 */ 3674 DESC_STATUS(ri->ri_nextout) = 0; 3675 TULIP_TXDESC_PRESYNC(ri); 3676 nextout->d_status = TULIP_DSTS_OWNER; 3677 /* 3678 * Flush the ownwership of the current descriptor 3679 */ 3680 TULIP_TXDESC_PRESYNC(ri); 3681 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3682 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 3683 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3684 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3685 } 3686 } 3687 3688 static int 3689 tulip_ifioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred * cr) 3690 { 3691 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 3692 struct ifreq *ifr = (struct ifreq *)data; 3693 int error = 0; 3694 3695 switch (cmd) { 3696 case SIOCGIFADDR: { 3697 bcopy((caddr_t) sc->arpcom.ac_enaddr, 3698 (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data, 3699 ETHER_ADDR_LEN); 3700 break; 3701 } 3702 3703 case SIOCSIFFLAGS: { 3704 tulip_addr_filter(sc); /* reinit multicast filter */ 3705 tulip_init(sc); 3706 break; 3707 } 3708 3709 case SIOCSIFMEDIA: 3710 case SIOCGIFMEDIA: { 3711 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 3712 break; 3713 } 3714 3715 case SIOCADDMULTI: 3716 case SIOCDELMULTI: { 3717 /* 3718 * Update multicast listeners 3719 */ 3720 tulip_addr_filter(sc); /* reset multicast filtering */ 3721 tulip_init(sc); 3722 error = 0; 3723 break; 3724 } 3725 3726 case SIOCSIFMTU: 3727 /* 3728 * Set the interface MTU. 3729 */ 3730 if (ifr->ifr_mtu > ETHERMTU 3731 ) { 3732 error = EINVAL; 3733 break; 3734 } 3735 ifp->if_mtu = ifr->ifr_mtu; 3736 break; 3737 3738 #ifdef SIOCGADDRROM 3739 case SIOCGADDRROM: { 3740 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 3741 break; 3742 } 3743 #endif 3744 #ifdef SIOCGCHIPID 3745 case SIOCGCHIPID: { 3746 ifr->ifr_metric = (int) sc->tulip_chipid; 3747 break; 3748 } 3749 #endif 3750 default: { 3751 error = ether_ioctl(ifp, cmd, data); 3752 break; 3753 } 3754 } 3755 return error; 3756 } 3757 3758 static void 3759 tulip_ifinit(void *xsc) 3760 { 3761 tulip_softc_t *sc = xsc; 3762 3763 tulip_addr_filter(sc); /* reinit multicast filter */ 3764 tulip_init(sc); 3765 } 3766 3767 static void 3768 tulip_ifstart(struct ifnet *ifp, struct ifaltq_subque *ifsq) 3769 { 3770 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 3771 3772 ASSERT_ALTQ_SQ_DEFAULT(ifp, ifsq); 3773 if (sc->arpcom.ac_if.if_flags & IFF_RUNNING) { 3774 3775 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3776 tulip_txput_setup(sc); 3777 3778 while (!ifq_is_empty(&sc->arpcom.ac_if.if_snd)) { 3779 struct mbuf *m; 3780 3781 m = ifq_dequeue(&sc->arpcom.ac_if.if_snd); 3782 if (m == NULL) 3783 break; 3784 3785 if ((m = tulip_txput(sc, m)) != NULL) { 3786 ifq_prepend(&sc->arpcom.ac_if.if_snd, m); 3787 break; 3788 } 3789 } 3790 } 3791 } 3792 3793 static void 3794 tulip_ifwatchdog(struct ifnet *ifp) 3795 { 3796 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 3797 3798 sc->arpcom.ac_if.if_timer = 1; 3799 /* 3800 * These should be rare so do a bulk test up front so we can just skip 3801 * them if needed. 3802 */ 3803 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 3804 /* 3805 * If the number of receive buffer is low, try to refill 3806 */ 3807 if (sc->tulip_flags & TULIP_RXBUFSLOW) 3808 tulip_rx_intr(sc); 3809 3810 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 3811 if_printf(ifp, "%d system errors: last was %s\n", 3812 sc->tulip_system_errors, 3813 tulip_system_errors[sc->tulip_last_system_error]); 3814 } 3815 if (sc->tulip_statusbits) { 3816 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 3817 sc->tulip_statusbits = 0; 3818 } 3819 3820 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 3821 } 3822 3823 if (sc->tulip_txtimer) 3824 tulip_tx_intr(sc); 3825 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 3826 if_printf(ifp, "transmission timeout\n"); 3827 if (TULIP_DO_AUTOSENSE(sc)) { 3828 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 3829 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 3830 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 3831 } 3832 tulip_reset(sc); 3833 tulip_init(sc); 3834 } 3835 } 3836 3837 static void 3838 tulip_attach(tulip_softc_t *sc) 3839 { 3840 struct ifnet *ifp = &sc->arpcom.ac_if; 3841 3842 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST; 3843 ifp->if_init = tulip_ifinit; 3844 ifp->if_ioctl = tulip_ifioctl; 3845 ifp->if_start = tulip_ifstart; 3846 ifp->if_watchdog = tulip_ifwatchdog; 3847 ifp->if_timer = 1; 3848 3849 if_printf(ifp, "%s%s pass %d.%d%s\n", 3850 sc->tulip_boardid, 3851 tulip_chipdescs[sc->tulip_chipid], 3852 (sc->tulip_revinfo & 0xF0) >> 4, 3853 sc->tulip_revinfo & 0x0F, 3854 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 3855 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 3856 3857 (*sc->tulip_boardsw->bd_media_probe)(sc); 3858 ifmedia_init(&sc->tulip_ifmedia, 0, 3859 tulip_ifmedia_change, 3860 tulip_ifmedia_status); 3861 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 3862 tulip_ifmedia_add(sc); 3863 3864 ifq_set_maxlen(&ifp->if_snd, ifqmaxlen); 3865 ether_ifattach(&sc->arpcom.ac_if, sc->arpcom.ac_enaddr, NULL); 3866 3867 tulip_reset(sc); 3868 } 3869 3870 /* Release memory for a single descriptor ring. */ 3871 static void 3872 tulip_busdma_freering(tulip_ringinfo_t *ri) 3873 { 3874 int i; 3875 3876 /* Release the DMA maps and tag for data buffers. */ 3877 if (ri->ri_data_maps != NULL) { 3878 for (i = 0; i < ri->ri_max; i++) { 3879 if (ri->ri_data_maps[i] != NULL) { 3880 bus_dmamap_destroy(ri->ri_data_tag, ri->ri_data_maps[i]); 3881 ri->ri_data_maps[i] = NULL; 3882 } 3883 } 3884 kfree(ri->ri_data_maps, M_DEVBUF); 3885 ri->ri_data_maps = NULL; 3886 } 3887 if (ri->ri_data_tag != NULL) { 3888 bus_dma_tag_destroy(ri->ri_data_tag); 3889 ri->ri_data_tag = NULL; 3890 } 3891 3892 /* Release the DMA memory and tag for the ring descriptors. */ 3893 if (ri->ri_dma_addr != 0) { 3894 bus_dmamap_unload(ri->ri_ring_tag, ri->ri_ring_map); 3895 ri->ri_dma_addr = 0; 3896 } 3897 if (ri->ri_descs != NULL) { 3898 bus_dmamem_free(ri->ri_ring_tag, ri->ri_descs, ri->ri_ring_map); 3899 ri->ri_descs = NULL; 3900 } 3901 if (ri->ri_ring_tag != NULL) { 3902 bus_dma_tag_destroy(ri->ri_ring_tag); 3903 ri->ri_ring_tag = NULL; 3904 } 3905 } 3906 3907 /* Allocate memory for a single descriptor ring. */ 3908 static int 3909 tulip_busdma_allocring(device_t dev, tulip_softc_t *sc, size_t count, 3910 bus_size_t align, int nsegs, tulip_ringinfo_t *ri, const char *name) 3911 { 3912 size_t size; 3913 int error, i; 3914 3915 /* First, setup a tag. */ 3916 ri->ri_max = count; 3917 size = count * sizeof(tulip_desc_t); 3918 error = bus_dma_tag_create(bus_get_dma_tag(dev), 3919 32, 0, BUS_SPACE_MAXADDR_32BIT, 3920 BUS_SPACE_MAXADDR, NULL, NULL, size, 1, size, 0, &ri->ri_ring_tag); 3921 if (error) { 3922 device_printf(dev, "failed to allocate %s descriptor ring dma tag\n", 3923 name); 3924 return (error); 3925 } 3926 3927 /* Next, allocate memory for the descriptors. */ 3928 error = bus_dmamem_alloc(ri->ri_ring_tag, (void **)&ri->ri_descs, 3929 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ri->ri_ring_map); 3930 if (error) { 3931 device_printf(dev, "failed to allocate memory for %s descriptor ring\n", 3932 name); 3933 return (error); 3934 } 3935 3936 /* Map the descriptors. */ 3937 error = bus_dmamap_load(ri->ri_ring_tag, ri->ri_ring_map, ri->ri_descs, 3938 size, tulip_dma_map_addr, &ri->ri_dma_addr, BUS_DMA_NOWAIT); 3939 if (error) { 3940 device_printf(dev, "failed to get dma address for %s descriptor ring\n", 3941 name); 3942 return (error); 3943 } 3944 3945 /* Allocate a tag for the data buffers. */ 3946 error = bus_dma_tag_create(bus_get_dma_tag(dev), align, 0, 3947 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 3948 MCLBYTES * nsegs, nsegs, MCLBYTES, 0, &ri->ri_data_tag); 3949 if (error) { 3950 device_printf(dev, "failed to allocate %s buffer dma tag\n", name); 3951 return (error); 3952 } 3953 3954 /* Allocate maps for the data buffers. */ 3955 ri->ri_data_maps = kmalloc(sizeof(bus_dmamap_t) * count, M_DEVBUF, 3956 M_WAITOK | M_ZERO); 3957 for (i = 0; i < count; i++) { 3958 error = bus_dmamap_create(ri->ri_data_tag, 0, &ri->ri_data_maps[i]); 3959 if (error) { 3960 device_printf(dev, "failed to create map for %s buffer %d\n", 3961 name, i); 3962 return (error); 3963 } 3964 } 3965 3966 return (0); 3967 } 3968 3969 /* Release busdma maps, tags, and memory. */ 3970 static void 3971 tulip_busdma_cleanup(tulip_softc_t *sc) 3972 { 3973 3974 /* Release resources for the setup descriptor. */ 3975 if (sc->tulip_setup_dma_addr != 0) { 3976 bus_dmamap_unload(sc->tulip_setup_tag, sc->tulip_setup_map); 3977 sc->tulip_setup_dma_addr = 0; 3978 } 3979 if (sc->tulip_setupbuf != NULL) { 3980 bus_dmamem_free(sc->tulip_setup_tag, sc->tulip_setupbuf, 3981 sc->tulip_setup_map); 3982 sc->tulip_setupbuf = NULL; 3983 } 3984 if (sc->tulip_setup_tag != NULL) { 3985 bus_dma_tag_destroy(sc->tulip_setup_tag); 3986 sc->tulip_setup_tag = NULL; 3987 } 3988 3989 /* Release the transmit ring. */ 3990 tulip_busdma_freering(&sc->tulip_txinfo); 3991 3992 /* Release the receive ring. */ 3993 tulip_busdma_freering(&sc->tulip_rxinfo); 3994 } 3995 3996 static int 3997 tulip_busdma_init(device_t dev, tulip_softc_t *sc) 3998 { 3999 int error; 4000 4001 /* 4002 * Allocate space and dmamap for transmit ring. 4003 */ 4004 error = tulip_busdma_allocring(dev, sc, TULIP_TXDESCS, 1, TULIP_MAX_TXSEG, 4005 &sc->tulip_txinfo, "transmit"); 4006 if (error) 4007 return (error); 4008 4009 /* 4010 * Allocate space and dmamap for receive ring. We tell bus_dma that 4011 * we can map MCLBYTES so that it will accept a full MCLBYTES cluster, 4012 * but we will only map the first TULIP_RX_BUFLEN bytes. This is not 4013 * a waste in practice though as an ethernet frame can easily fit 4014 * in TULIP_RX_BUFLEN bytes. 4015 */ 4016 error = tulip_busdma_allocring(dev, sc, TULIP_RXDESCS, 4, 1, 4017 &sc->tulip_rxinfo, "receive"); 4018 if (error) 4019 return (error); 4020 4021 /* 4022 * Allocate a DMA tag, memory, and map for setup descriptor 4023 */ 4024 error = bus_dma_tag_create(bus_get_dma_tag(dev), 32, 0, 4025 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 4026 sizeof(sc->tulip_setupdata), 1, sizeof(sc->tulip_setupdata), 0, 4027 &sc->tulip_setup_tag); 4028 if (error) { 4029 device_printf(dev, "failed to allocate setup descriptor dma tag\n"); 4030 return (error); 4031 } 4032 error = bus_dmamem_alloc(sc->tulip_setup_tag, (void **)&sc->tulip_setupbuf, 4033 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->tulip_setup_map); 4034 if (error) { 4035 device_printf(dev, "failed to allocate memory for setup descriptor\n"); 4036 return (error); 4037 } 4038 error = bus_dmamap_load(sc->tulip_setup_tag, sc->tulip_setup_map, 4039 sc->tulip_setupbuf, sizeof(sc->tulip_setupdata), 4040 tulip_dma_map_addr, &sc->tulip_setup_dma_addr, BUS_DMA_NOWAIT); 4041 if (error) { 4042 device_printf(dev, "failed to get dma address for setup descriptor\n"); 4043 return (error); 4044 } 4045 4046 return error; 4047 } 4048 4049 static void 4050 tulip_initcsrs(tulip_softc_t *sc, tulip_csrptr_t csr_base, size_t csr_size) 4051 { 4052 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 4053 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 4054 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 4055 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 4056 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 4057 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 4058 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 4059 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 4060 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 4061 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 4062 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 4063 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 4064 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 4065 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 4066 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 4067 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 4068 } 4069 4070 static int 4071 tulip_initring(tulip_ringinfo_t *ri, int ndescs) 4072 { 4073 int i; 4074 4075 ri->ri_descinfo = kmalloc(sizeof(tulip_descinfo_t) * ndescs, M_DEVBUF, 4076 M_WAITOK | M_ZERO); 4077 for (i = 0; i < ndescs; i++) { 4078 ri->ri_descinfo[i].di_desc = &ri->ri_descs[i]; 4079 ri->ri_descinfo[i].di_map = &ri->ri_data_maps[i]; 4080 } 4081 ri->ri_first = ri->ri_descinfo; 4082 ri->ri_max = ndescs; 4083 ri->ri_last = ri->ri_first + ri->ri_max; 4084 bzero(ri->ri_descs, sizeof(tulip_desc_t) * ri->ri_max); 4085 DESC_FLAG(&ri->ri_last[-1]) = TULIP_DFLAG_ENDRING; 4086 return (0); 4087 } 4088 4089 /* 4090 * This is the PCI configuration support. 4091 */ 4092 4093 #define PCI_CBIO PCIR_BAR(0) /* Configuration Base IO Address */ 4094 #define PCI_CBMA PCIR_BAR(1) /* Configuration Base Memory Address */ 4095 #define PCI_CFDA 0x40 /* Configuration Driver Area */ 4096 4097 static int 4098 tulip_pci_probe(device_t dev) 4099 { 4100 const char *name = NULL; 4101 4102 if (pci_get_vendor(dev) != DEC_VENDORID) 4103 return ENXIO; 4104 4105 /* 4106 * Some LanMedia WAN cards use the Tulip chip, but they have 4107 * their own driver, and we should not recognize them 4108 */ 4109 if (pci_get_subvendor(dev) == 0x1376) 4110 return ENXIO; 4111 4112 switch (pci_get_device(dev)) { 4113 case CHIPID_21040: 4114 name = "Digital 21040 Ethernet"; 4115 break; 4116 case CHIPID_21041: 4117 name = "Digital 21041 Ethernet"; 4118 break; 4119 case CHIPID_21140: 4120 if (pci_get_revid(dev) >= 0x20) 4121 name = "Digital 21140A Fast Ethernet"; 4122 else 4123 name = "Digital 21140 Fast Ethernet"; 4124 break; 4125 case CHIPID_21142: 4126 if (pci_get_revid(dev) >= 0x20) 4127 name = "Digital 21143 Fast Ethernet"; 4128 else 4129 name = "Digital 21142 Fast Ethernet"; 4130 break; 4131 } 4132 if (name) { 4133 device_set_desc(dev, name); 4134 return -200; 4135 } 4136 return ENXIO; 4137 } 4138 4139 static int 4140 tulip_shutdown(device_t dev) 4141 { 4142 tulip_softc_t *sc = device_get_softc(dev); 4143 4144 lwkt_serialize_enter(sc->arpcom.ac_if.if_serializer); 4145 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4146 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 4147 33MHz that comes to two microseconds but wait a 4148 bit longer anyways) */ 4149 lwkt_serialize_exit(sc->arpcom.ac_if.if_serializer); 4150 return 0; 4151 } 4152 4153 static int 4154 tulip_pci_attach(device_t dev) 4155 { 4156 tulip_softc_t *sc; 4157 int retval, idx; 4158 uint32_t revinfo, cfdainfo; 4159 u_int csroffset = TULIP_PCI_CSROFFSET; 4160 u_int csrsize = TULIP_PCI_CSRSIZE; 4161 tulip_csrptr_t csr_base; 4162 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 4163 struct resource *res; 4164 int rid, unit; 4165 4166 unit = device_get_unit(dev); 4167 4168 if (unit >= TULIP_MAX_DEVICES) { 4169 device_printf(dev, "not configured; limit of %d reached or exceeded\n", 4170 TULIP_MAX_DEVICES); 4171 return ENXIO; 4172 } 4173 4174 revinfo = pci_get_revid(dev); 4175 cfdainfo = pci_read_config(dev, PCI_CFDA, 4); 4176 4177 /* turn busmaster on in case BIOS doesn't set it */ 4178 pci_enable_busmaster(dev); 4179 4180 if (pci_get_vendor(dev) == DEC_VENDORID) { 4181 if (pci_get_device(dev) == CHIPID_21040) 4182 chipid = TULIP_21040; 4183 else if (pci_get_device(dev) == CHIPID_21041) 4184 chipid = TULIP_21041; 4185 else if (pci_get_device(dev) == CHIPID_21140) 4186 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 4187 else if (pci_get_device(dev) == CHIPID_21142) 4188 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 4189 } 4190 if (chipid == TULIP_CHIPID_UNKNOWN) 4191 return ENXIO; 4192 4193 if (chipid == TULIP_21040 && revinfo < 0x20) { 4194 device_printf(dev, 4195 "not configured; 21040 pass 2.0 required (%d.%d found)\n", 4196 revinfo >> 4, revinfo & 0x0f); 4197 return ENXIO; 4198 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 4199 device_printf(dev, 4200 "not configured; 21140 pass 1.1 required (%d.%d found)\n", 4201 revinfo >> 4, revinfo & 0x0f); 4202 return ENXIO; 4203 } 4204 4205 sc = device_get_softc(dev); 4206 sc->tulip_dev = dev; 4207 sc->tulip_pci_busno = pci_get_bus(dev); 4208 sc->tulip_pci_devno = pci_get_slot(dev); 4209 sc->tulip_chipid = chipid; 4210 sc->tulip_flags |= TULIP_DEVICEPROBE; 4211 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 4212 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 4213 if (chipid == TULIP_21140A && revinfo <= 0x22) 4214 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 4215 if (chipid == TULIP_21140) 4216 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 4217 if (chipid != TULIP_21040 && chipid != TULIP_21140) 4218 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 4219 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 4220 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 4221 if (chipid != TULIP_21041 || revinfo >= 0x20) 4222 sc->tulip_features |= TULIP_HAVE_SIANWAY; 4223 if (chipid != TULIP_21041) 4224 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 4225 if (chipid != TULIP_21041 && revinfo >= 0x20) 4226 sc->tulip_features |= TULIP_HAVE_SIA100; 4227 } 4228 4229 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 4230 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 4231 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 4232 pci_write_config(dev, PCI_CFDA, cfdainfo, 4); 4233 DELAY(11*1000); 4234 } 4235 if_initname(&sc->arpcom.ac_if, device_get_name(dev), unit); 4236 sc->tulip_unit = unit; 4237 sc->tulip_revinfo = revinfo; 4238 sc->arpcom.ac_if.if_softc = sc; 4239 #if defined(TULIP_IOMAPPED) 4240 rid = PCI_CBIO; 4241 res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 4242 #else 4243 rid = PCI_CBMA; 4244 res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); 4245 #endif 4246 if (!res) 4247 return ENXIO; 4248 sc->tulip_csrs_bst = rman_get_bustag(res); 4249 sc->tulip_csrs_bsh = rman_get_bushandle(res); 4250 csr_base = 0; 4251 4252 callout_init(&sc->tulip_callout); 4253 tulips[unit] = sc; 4254 4255 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 4256 4257 if ((retval = tulip_busdma_init(dev, sc)) != 0) { 4258 device_printf(dev, "error initing bus_dma: %d\n", retval); 4259 tulip_busdma_cleanup(sc); 4260 return ENXIO; 4261 } 4262 4263 retval = tulip_initring(&sc->tulip_rxinfo, TULIP_RXDESCS); 4264 if (retval == 0) 4265 retval = tulip_initring(&sc->tulip_txinfo, TULIP_TXDESCS); 4266 if (retval) { 4267 tulip_busdma_cleanup(sc); 4268 return retval; 4269 } 4270 4271 /* 4272 * Make sure there won't be any interrupts or such... 4273 */ 4274 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4275 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 4276 33MHz that comes to two microseconds but wait a 4277 bit longer anyways) */ 4278 4279 if ((retval = tulip_read_macaddr(sc)) < 0) { 4280 device_printf(dev, "can't read ENET ROM (why=%d) (", retval); 4281 for (idx = 0; idx < 32; idx++) 4282 kprintf("%02x", sc->tulip_rombuf[idx]); 4283 kprintf("\n"); 4284 device_printf(dev, "%s%s pass %d.%d\n", 4285 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 4286 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 4287 device_printf(dev, "address unknown\n"); 4288 } else { 4289 void (*intr_rtn)(void *) = tulip_intr_normal; 4290 4291 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 4292 intr_rtn = tulip_intr_shared; 4293 4294 tulip_attach(sc); 4295 4296 /* Setup interrupt last. */ 4297 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 4298 void *ih; 4299 4300 rid = 0; 4301 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 4302 RF_SHAREABLE | RF_ACTIVE); 4303 if (res == NULL || bus_setup_intr(dev, res, INTR_MPSAFE, 4304 intr_rtn, sc, &ih, 4305 sc->arpcom.ac_if.if_serializer)) { 4306 device_printf(dev, "couldn't map interrupt\n"); 4307 ifmedia_removeall(&sc->tulip_ifmedia); 4308 ether_ifdetach(&sc->arpcom.ac_if); 4309 tulip_busdma_cleanup(sc); 4310 return ENXIO; 4311 } 4312 4313 ifq_set_cpuid(&sc->arpcom.ac_if.if_snd, rman_get_cpuid(res)); 4314 } 4315 } 4316 return 0; 4317 } 4318 4319 static device_method_t tulip_pci_methods[] = { 4320 /* Device interface */ 4321 DEVMETHOD(device_probe, tulip_pci_probe), 4322 DEVMETHOD(device_attach, tulip_pci_attach), 4323 DEVMETHOD(device_shutdown, tulip_shutdown), 4324 DEVMETHOD_END 4325 }; 4326 static driver_t tulip_pci_driver = { 4327 "de", 4328 tulip_pci_methods, 4329 sizeof(tulip_softc_t), 4330 }; 4331 static devclass_t tulip_devclass; 4332 4333 DECLARE_DUMMY_MODULE(if_de); 4334 DRIVER_MODULE(if_de, pci, tulip_pci_driver, tulip_devclass, NULL, NULL); 4335 4336