if_ef.c revision 1.26
1 /* $NetBSD: if_ef.c,v 1.26 2008/04/28 20:23:52 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Rafal K. Boni. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: if_ef.c,v 1.26 2008/04/28 20:23:52 martin Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/mbuf.h> 38 #include <sys/errno.h> 39 #include <sys/device.h> 40 #include <sys/protosw.h> 41 #include <sys/socket.h> 42 43 #include <net/if.h> 44 #include <net/if_dl.h> 45 #include <net/if_types.h> 46 #include <net/if_media.h> 47 #include <net/if_ether.h> 48 49 #include <sys/cpu.h> 50 #include <sys/bus.h> 51 #include <sys/intr.h> 52 53 #include <dev/isa/isareg.h> 54 #include <dev/isa/isavar.h> 55 56 #include <dev/ic/i82586reg.h> 57 #include <dev/ic/i82586var.h> 58 #include <dev/isa/if_efreg.h> 59 #include <dev/isa/elink.h> 60 61 #ifdef EF_DEBUG 62 #define DPRINTF(x) printf x 63 #else 64 #define DPRINTF(x) 65 #endif 66 67 struct ef_softc { 68 struct ie_softc sc_ie; 69 70 bus_space_tag_t sc_regt; /* space tag for registers */ 71 bus_space_handle_t sc_regh; /* space handle for registers */ 72 73 void* sc_ih; /* interrupt handle */ 74 75 u_int8_t card_rev; /* hardware revision */ 76 u_int8_t card_type; /* card model -- AUI/BNC or TP */ 77 }; 78 79 int ef_media[] = { 80 IFM_ETHER | IFM_10_5, 81 IFM_ETHER | IFM_10_2, 82 }; 83 #define NEF_MEDIA (sizeof(ef_media) / sizeof(ef_media[0])) 84 85 int eftp_media[] = { 86 IFM_ETHER | IFM_10_T, 87 }; 88 #define NEFTP_MEDIA (sizeof(eftp_media) / sizeof(eftp_media[0])) 89 90 /* Routines required by the MI i82586 driver API */ 91 static void ef_reset(struct ie_softc *, int); 92 static void ef_hwinit(struct ie_softc *); 93 static void ef_atten(struct ie_softc *, int); 94 static int ef_intrhook(struct ie_softc *, int); 95 96 static void ef_copyin(struct ie_softc *, void *, int, size_t); 97 static void ef_copyout(struct ie_softc *, const void *, int, size_t); 98 99 static u_int16_t ef_read_16(struct ie_softc *, int); 100 static void ef_write_16(struct ie_softc *, int, u_int16_t); 101 static void ef_write_24(struct ie_softc *, int, int); 102 103 static void ef_mediastatus(struct ie_softc *, struct ifmediareq *); 104 105 /* Local routines */ 106 static int ef_port_check(bus_space_tag_t, bus_space_handle_t); 107 108 int ef_match(struct device *, struct cfdata *, void *); 109 void ef_attach(struct device *, struct device *, void *); 110 111 /* 112 * This keeps track of which ISAs have been through an ie probe sequence. 113 * A simple static variable isn't enough, since it's conceivable that 114 * a system might have more than one ISA bus. 115 * 116 * The "isa_bus" member is a pointer to the parent ISA bus device struct 117 * which will unique per ISA bus. 118 */ 119 120 #define MAXCARDS_PER_ISABUS 8 /* if you have more than 8, you lose */ 121 122 struct ef_isabus { 123 LIST_ENTRY(ef_isabus) isa_link; 124 struct device *isa_bus; 125 126 int bus_state; 127 128 struct card { 129 bus_addr_t iobase; 130 bus_addr_t maddr; 131 bus_size_t msize; 132 int irq; 133 int available; 134 } isa_cards[MAXCARDS_PER_ISABUS]; 135 }; 136 137 static LIST_HEAD(, ef_isabus) ef_isa_buses; 138 static int ef_isa_buses_inited; 139 140 static void 141 ef_card_add( 142 struct ef_isabus *bus, 143 bus_addr_t iobase, 144 bus_addr_t maddr, 145 bus_size_t msiz, 146 int irq) 147 { 148 int idx; 149 150 DPRINTF(("Adding 3c507 at 0x%x, IRQ %d, Mem 0x%lx/%ld\n", 151 (u_int) iobase, irq, (u_long) maddr, msiz)); 152 153 for (idx = 0; idx < MAXCARDS_PER_ISABUS; idx++) { 154 if (bus->isa_cards[idx].available == 0) { 155 bus->isa_cards[idx].iobase = iobase; 156 bus->isa_cards[idx].maddr = maddr; 157 bus->isa_cards[idx].msize = msiz; 158 bus->isa_cards[idx].irq = irq; 159 bus->isa_cards[idx].available = 1; 160 break; 161 } 162 } 163 } 164 165 /* 166 * 3C507 support routines 167 */ 168 static void 169 ef_reset(sc, why) 170 struct ie_softc *sc; 171 int why; 172 { 173 struct ef_softc* esc = (struct ef_softc *) sc; 174 175 switch (why) { 176 case CHIP_PROBE: 177 /* reset to chip to see if it responds */ 178 bus_space_write_1(esc->sc_regt, esc->sc_regh, 179 EF_CTRL, EF_CTRL_RESET); 180 DELAY(100); 181 bus_space_write_1(esc->sc_regt, esc->sc_regh, 182 EF_CTRL, EF_CTRL_NORMAL); 183 DELAY(100); 184 break; 185 186 case CARD_RESET: 187 /* 188 * this takes around 10sec, and we can get 189 * by quite well w/out it... 190 */ 191 break; 192 } 193 } 194 195 static void 196 ef_atten(struct ie_softc *sc, int why) 197 { 198 struct ef_softc* esc = (struct ef_softc *) sc; 199 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ATTN, 1); 200 } 201 202 static void 203 ef_hwinit(sc) 204 struct ie_softc *sc; 205 { 206 struct ef_softc* esc = (struct ef_softc *) sc; 207 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ICTRL, 1); 208 } 209 210 static int 211 ef_intrhook(sc, where) 212 struct ie_softc *sc; 213 int where; 214 { 215 unsigned char cr; 216 struct ef_softc* esc = (struct ef_softc *) sc; 217 218 switch (where) { 219 case INTR_ENTER: 220 /* entering ISR: disable, ack card interrupts */ 221 cr = bus_space_read_1(esc->sc_regt, esc->sc_regh, EF_CTRL); 222 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_CTRL, 223 cr & ~EF_CTRL_IEN); 224 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ICTRL, 1); 225 break; 226 227 case INTR_EXIT: 228 /* exiting ISR: re-enable card interrupts */ 229 cr = bus_space_read_1(esc->sc_regt, esc->sc_regh, EF_CTRL); 230 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_CTRL, 231 cr | EF_CTRL_IEN); 232 break; 233 234 case INTR_LOOP: 235 /* looping in ISR: ack new interrupts */ 236 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ICTRL, 1); 237 break; 238 } 239 240 return 1; 241 } 242 243 static u_int16_t 244 ef_read_16 (sc, offset) 245 struct ie_softc *sc; 246 int offset; 247 { 248 bus_space_barrier(sc->bt, sc->bh, offset, 2, BUS_SPACE_BARRIER_READ); 249 return bus_space_read_2(sc->bt, sc->bh, offset); 250 } 251 252 static void 253 ef_copyin (sc, dst, offset, size) 254 struct ie_softc *sc; 255 void *dst; 256 int offset; 257 size_t size; 258 { 259 int dribble; 260 u_int8_t* bptr = dst; 261 262 bus_space_barrier(sc->bt, sc->bh, offset, size, 263 BUS_SPACE_BARRIER_READ); 264 265 if (offset % 2) { 266 *bptr = bus_space_read_1(sc->bt, sc->bh, offset); 267 offset++; bptr++; size--; 268 } 269 270 dribble = size % 2; 271 bus_space_read_region_2(sc->bt, sc->bh, offset, (u_int16_t *) bptr, 272 size >> 1); 273 274 if (dribble) { 275 bptr += size - 1; 276 offset += size - 1; 277 *bptr = bus_space_read_1(sc->bt, sc->bh, offset); 278 } 279 } 280 281 static void 282 ef_copyout (sc, src, offset, size) 283 struct ie_softc *sc; 284 const void *src; 285 int offset; 286 size_t size; 287 { 288 int dribble; 289 int osize = size; 290 int ooffset = offset; 291 const u_int8_t* bptr = src; 292 293 if (offset % 2) { 294 bus_space_write_1(sc->bt, sc->bh, offset, *bptr); 295 offset++; bptr++; size--; 296 } 297 298 dribble = size % 2; 299 bus_space_write_region_2(sc->bt, sc->bh, offset, 300 (const u_int16_t *)bptr, size >> 1); 301 if (dribble) { 302 bptr += size - 1; 303 offset += size - 1; 304 bus_space_write_1(sc->bt, sc->bh, offset, *bptr); 305 } 306 307 bus_space_barrier(sc->bt, sc->bh, ooffset, osize, 308 BUS_SPACE_BARRIER_WRITE); 309 } 310 311 static void 312 ef_write_16 (sc, offset, value) 313 struct ie_softc *sc; 314 int offset; 315 u_int16_t value; 316 { 317 bus_space_write_2(sc->bt, sc->bh, offset, value); 318 bus_space_barrier(sc->bt, sc->bh, offset, 2, BUS_SPACE_BARRIER_WRITE); 319 } 320 321 static void 322 ef_write_24 (sc, offset, addr) 323 struct ie_softc *sc; 324 int offset, addr; 325 { 326 bus_space_write_4(sc->bt, sc->bh, offset, addr + 327 (u_long) sc->sc_maddr - (u_long) sc->sc_iobase); 328 bus_space_barrier(sc->bt, sc->bh, offset, 4, BUS_SPACE_BARRIER_WRITE); 329 } 330 331 static void 332 ef_mediastatus(sc, ifmr) 333 struct ie_softc *sc; 334 struct ifmediareq *ifmr; 335 { 336 struct ifmedia *ifm = &sc->sc_media; 337 338 /* 339 * The currently selected media is always the active media. 340 */ 341 ifmr->ifm_active = ifm->ifm_cur->ifm_media; 342 } 343 344 int 345 ef_match(struct device *parent, struct cfdata *cf, void *aux) 346 { 347 struct isa_attach_args * const ia = aux; 348 349 int idx; 350 struct ef_isabus *bus; 351 352 bus_space_handle_t ioh; 353 bus_space_tag_t iot = ia->ia_iot; 354 355 if (ISA_DIRECT_CONFIG(ia)) 356 return (0); 357 358 if (ef_isa_buses_inited == 0) { 359 LIST_INIT(&ef_isa_buses); 360 ef_isa_buses_inited = 1; 361 } 362 363 /* 364 * Probe this bus if we haven't done so already. 365 */ 366 for (bus = ef_isa_buses.lh_first; bus != NULL; 367 bus = bus->isa_link.le_next) { 368 if (bus->isa_bus == parent) 369 break; 370 } 371 372 if (bus == NULL) { 373 bus_addr_t iobase; 374 375 /* 376 * Mark this bus so we don't probe it again. 377 */ 378 bus = (struct ef_isabus *) 379 malloc(sizeof(struct ef_isabus), M_DEVBUF, M_NOWAIT); 380 if (bus == NULL) 381 panic("ef_isa_probe: can't allocate state storage for %s", 382 device_xname(parent)); 383 384 bus->bus_state = 0; /* nothing done yet */ 385 bus->isa_bus = parent; 386 387 LIST_INSERT_HEAD(&ef_isa_buses, bus, isa_link); 388 389 if (bus_space_map(iot, ELINK_ID_PORT, 1, 0, &ioh)) { 390 DPRINTF(("3c507 probe: can't map Etherlink ID port\n")); 391 return 0; 392 } 393 394 /* 395 * Reset and put card in CONFIG state without 396 * changing address. 397 */ 398 elink_reset(iot, ioh, device_unit(parent)); 399 elink_idseq(iot, ioh, ELINK_507_POLY); 400 elink_idseq(iot, ioh, ELINK_507_POLY); 401 bus_space_write_1(iot, ioh, 0, 0xff); 402 403 /* Unmap the ID port */ 404 bus_space_unmap(iot, ioh, 1); 405 406 bus->bus_state++; /* cards now in CONFIG state */ 407 408 for (iobase = EF_IOBASE_LOW; iobase <= EF_IOBASE_HIGH; 409 iobase += EF_IOSIZE) { 410 /* 411 * Map the 507's port-space for the probe sequence. 412 */ 413 if (bus_space_map(iot, iobase, EF_IOSIZE, 414 0, &ioh) != 0) 415 continue; 416 417 /* Now look for the 3Com magic bytes */ 418 419 if (ef_port_check(iot, ioh)) { 420 int irq; 421 u_int8_t v; 422 bus_addr_t maddr; 423 bus_addr_t msiz1; 424 bus_space_handle_t memh; 425 426 irq = bus_space_read_1(iot, ioh, EF_IRQ) & 427 EF_IRQ_MASK; 428 429 v = bus_space_read_1(iot, ioh, EF_MADDR); 430 maddr = EF_MADDR_BASE + 431 ((v & EF_MADDR_MASK) << EF_MADDR_SHIFT); 432 msiz1 = ((v & EF_MSIZE_MASK) + 1) * 433 EF_MSIZE_STEP; 434 435 if (bus_space_map(ia->ia_memt, maddr, 436 msiz1, 0, &memh) == 0) { 437 ef_card_add(bus, iobase, maddr, 438 msiz1, irq); 439 bus_space_unmap(ia->ia_memt, 440 memh, msiz1); 441 } 442 } 443 bus_space_unmap(iot, ioh, EF_IOSIZE); 444 } 445 } 446 447 if (ia->ia_nio < 1) 448 return (0); 449 if (ia->ia_niomem < 1) 450 return (0); 451 if (ia->ia_nirq < 1) 452 return (0); 453 454 for (idx = 0; idx < MAXCARDS_PER_ISABUS; idx++) { 455 if (bus->isa_cards[idx].available != 1) 456 continue; 457 458 if (ia->ia_io[0].ir_addr != ISA_UNKNOWN_PORT && 459 ia->ia_io[0].ir_addr != bus->isa_cards[idx].iobase) 460 continue; 461 462 if (ia->ia_iomem[0].ir_addr != ISA_UNKNOWN_IOMEM && 463 ia->ia_iomem[0].ir_addr != bus->isa_cards[idx].maddr) 464 continue; 465 466 if (ia->ia_irq[0].ir_irq != ISA_UNKNOWN_IRQ && 467 ia->ia_irq[0].ir_irq != bus->isa_cards[idx].irq) 468 continue; 469 470 break; 471 } 472 473 if (idx == MAXCARDS_PER_ISABUS) 474 return (0); 475 476 bus->isa_cards[idx].available++; 477 478 ia->ia_nio = 1; 479 ia->ia_io[0].ir_addr = bus->isa_cards[idx].iobase; 480 ia->ia_io[0].ir_size = EF_IOSIZE; 481 482 ia->ia_niomem = 1; 483 ia->ia_iomem[0].ir_addr = bus->isa_cards[idx].maddr; 484 ia->ia_iomem[0].ir_size = bus->isa_cards[idx].msize; 485 486 ia->ia_nirq = 1; 487 ia->ia_irq[0].ir_irq = bus->isa_cards[idx].irq; 488 489 ia->ia_ndrq = 0; 490 491 return (1); 492 } 493 494 void 495 ef_attach(parent, self, aux) 496 struct device *parent; 497 struct device *self; 498 void *aux; 499 { 500 struct ef_softc *esc = (void *)self; 501 struct ie_softc *sc = &esc->sc_ie; 502 struct isa_attach_args *ia = aux; 503 bus_space_tag_t iot = ia->ia_iot; 504 505 int i; 506 char vers[20]; 507 struct ef_isabus *bus; 508 u_int8_t partno[EF_TYPE_LEN]; 509 bus_space_handle_t ioh, memh; 510 u_int8_t ethaddr[ETHER_ADDR_LEN]; 511 512 sc->hwinit = ef_hwinit; 513 sc->hwreset = ef_reset; 514 sc->chan_attn = ef_atten; 515 sc->intrhook = ef_intrhook; 516 517 sc->ie_bus_barrier = NULL; 518 519 sc->memcopyin = ef_copyin; 520 sc->memcopyout = ef_copyout; 521 sc->ie_bus_read16 = ef_read_16; 522 sc->ie_bus_write16 = ef_write_16; 523 sc->ie_bus_write24 = ef_write_24; 524 525 sc->sc_msize = 0; 526 527 /* 528 * NOP chains don't give any advantage on this card, in fact they 529 * seem to slow it down some. As the doctor says, "if it hurts, 530 * don't do it". 531 */ 532 sc->do_xmitnopchain = 0; 533 534 sc->sc_mediachange = NULL; 535 sc->sc_mediastatus = ef_mediastatus; 536 537 /* Find the cards parent bus */ 538 for (bus = ef_isa_buses.lh_first; bus != NULL; 539 bus = bus->isa_link.le_next) { 540 541 if (bus->isa_bus == parent) 542 break; 543 } 544 545 if (bus == NULL) 546 panic("%s: Can't find parent bus!", device_xname(&sc->sc_dev)); 547 548 549 /* If the bus hasn't been transitioned to the RUN state, do so now */ 550 if (bus->bus_state == 1) { 551 if (bus_space_map(iot, ELINK_ID_PORT, 1, 0, &ioh) != 0) { 552 DPRINTF(("\n%s: Can't map Elink ID port!\n", 553 device_xname(&sc->sc_dev))); 554 return; 555 } 556 557 bus_space_write_1(ia->ia_iot, ioh, 0, 0x00); 558 elink_idseq(ia->ia_iot, ioh, ELINK_507_POLY); 559 bus_space_write_1(ia->ia_iot, ioh, 0, 0x00); 560 bus_space_unmap(ia->ia_iot, ioh, 1); 561 562 bus->bus_state++; 563 } 564 565 /* Map i/o space. */ 566 if (bus_space_map(ia->ia_iot, ia->ia_io[0].ir_addr, 567 ia->ia_io[0].ir_size, 0, &ioh) != 0) { 568 569 DPRINTF(("\n%s: can't map i/o space 0x%x-0x%x\n", 570 device_xname(&sc->sc_dev), ia->ia_io[0].ir_addr, 571 ia->ia_io[0].ir_addr + ia->ia_io[0].ir_size - 1)); 572 return; 573 } 574 575 esc->sc_regt = ia->ia_iot; 576 esc->sc_regh = ioh; 577 578 if (bus_space_map(ia->ia_memt, ia->ia_iomem[0].ir_addr, 579 ia->ia_iomem[0].ir_size, 0, &memh) != 0) { 580 581 DPRINTF(("\n%s: can't map iomem space 0x%x-0x%x\n", 582 device_xname(&sc->sc_dev), ia->ia_maddr, 583 ia->ia_maddr + ia->ia_msize - 1)); 584 bus_space_unmap(ia->ia_iot, ioh, ia->ia_io[0].ir_size); 585 return; 586 } 587 588 sc->bt = ia->ia_memt; 589 sc->bh = memh; 590 591 sc->sc_msize = ia->ia_iomem[0].ir_size; 592 sc->sc_maddr = (void *)memh; 593 sc->sc_iobase = (char *)sc->sc_maddr + sc->sc_msize - (1 << 24); 594 595 /* set up pointers to important on-card control structures */ 596 sc->iscp = 0; 597 sc->scb = IE_ISCP_SZ; 598 sc->scp = sc->sc_msize + IE_SCP_ADDR - (1 << 24); 599 600 sc->buf_area = sc->scb + IE_SCB_SZ; 601 sc->buf_area_sz = sc->sc_msize - IE_ISCP_SZ - IE_SCB_SZ - IE_SCP_SZ; 602 603 /* zero card memory */ 604 bus_space_set_region_1(sc->bt, sc->bh, 0, 0, sc->sc_msize); 605 606 /* set card to 16-bit bus mode */ 607 bus_space_write_1(sc->bt, sc->bh, IE_SCP_BUS_USE((u_long)sc->scp), 608 IE_SYSBUS_16BIT); 609 610 /* set up pointers to key structures */ 611 ef_write_24(sc, IE_SCP_ISCP((u_long)sc->scp), (u_long) sc->iscp); 612 ef_write_16(sc, IE_ISCP_SCB((u_long)sc->iscp), (u_long) sc->scb); 613 ef_write_24(sc, IE_ISCP_BASE((u_long)sc->iscp), (u_long) sc->iscp); 614 615 /* flush setup of pointers, check if chip answers */ 616 bus_space_barrier(sc->bt, sc->bh, 0, sc->sc_msize, 617 BUS_SPACE_BARRIER_WRITE); 618 if (!i82586_proberam(sc)) { 619 DPRINTF(("\n%s: can't talk to i82586!\n", 620 device_xname(&sc->sc_dev))); 621 bus_space_unmap(ia->ia_iot, ioh, ia->ia_io[0].ir_size); 622 bus_space_unmap(ia->ia_memt, memh, ia->ia_iomem[0].ir_size); 623 return; 624 } 625 626 /* set bank 2 for card part number and revision */ 627 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_CTRL, 628 EF_CTRL_NRST | EF_CTRL_BNK2); 629 630 /* card revision is encoded in BCD */ 631 i = bus_space_read_1(esc->sc_regt, esc->sc_regh, EF_REV); 632 esc->card_rev = 10 * (i / 16) + (i % 16); 633 634 for (i = 0; i < EF_TYPE_LEN; i++) 635 partno[i] = bus_space_read_1(esc->sc_regt, esc->sc_regh, 636 EF_TYPE + i); 637 638 /* use part number to guess if card is TP or AUI/BNC model */ 639 esc->card_type = EF_IS_TP(partno) ? EF_CARD_TP : EF_CARD_BNC; 640 641 /* set bank 0 for ethernet address */ 642 bus_space_write_1(esc->sc_regt, esc->sc_regh, 643 EF_CTRL, EF_CTRL_NORMAL); 644 645 for (i = 0; i < EF_ADDR_LEN; i++) 646 ethaddr[i] = bus_space_read_1(esc->sc_regt, esc->sc_regh, 647 EF_ADDR + i); 648 649 snprintf(vers, sizeof(vers), "%s, rev. %d", 650 (esc->card_type == EF_CARD_TP) ? "3C507-TP" : "3C507", 651 esc->card_rev); 652 653 if (esc->card_type == EF_CARD_TP) 654 i82586_attach(sc, vers, ethaddr, eftp_media, NEFTP_MEDIA, 655 eftp_media[0]); 656 else { 657 u_int8_t media = bus_space_read_1(esc->sc_regt, esc->sc_regh, 658 EF_MEDIA); 659 media = (media & EF_MEDIA_MASK) >> EF_MEDIA_SHIFT; 660 661 i82586_attach(sc, vers, ethaddr, ef_media, NEF_MEDIA, 662 ef_media[media]); 663 } 664 665 /* Clear the interrupt latch just in case. */ 666 bus_space_write_1(esc->sc_regt, esc->sc_regh, EF_ICTRL, 1); 667 668 esc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, 669 IST_EDGE, IPL_NET, i82586_intr, sc); 670 if (esc->sc_ih == NULL) { 671 DPRINTF(("\n%s: can't establish interrupt\n", 672 device_xname(&sc->sc_dev))); 673 } 674 } 675 676 static int 677 ef_port_check(iot, ioh) 678 bus_space_tag_t iot; 679 bus_space_handle_t ioh; 680 { 681 int i; 682 u_char ch; 683 const u_char* signature = EF_SIGNATURE; 684 685 for (i = 0; i < strlen(signature); i++) { 686 ch = bus_space_read_1(iot, ioh, i); 687 if (ch != signature[i]) 688 return 0; 689 } 690 691 /* If card is mapped in high memory (above 15Meg), we can't use it */ 692 ch = bus_space_read_1(iot, ioh, EF_MADDR); 693 if (ch & EF_MADDR_HIGH) 694 return 0; /* XXX: maybe we should panic?? */ 695 696 return 1; 697 } 698 699 CFATTACH_DECL(ef, sizeof(struct ef_softc), 700 ef_match, ef_attach, NULL, NULL); 701 702
Indexes created Mon Oct 13 15:10:03 GMT 2025