1 /* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */
3 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com)
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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
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.
25 * Id: if_de.c,v 1.94 1997/07/03 16:55:07 thomas Exp
29 * DEC 21040 PCI Ethernet Controller
31 * Written by Matt Thomas
32 * BPF support code stolen directly from if_ec.c
34 * This driver supports the DEC DE435 or any other PCI
35 * board which support 21040, 21041, or 21140 (mostly).
38 #include <sys/cdefs.h>
39 __FBSDID("$FreeBSD$");
41 #define TULIP_HDR_DATA
45 #include <sys/param.h>
46 #include <sys/systm.h>
47 #include <sys/endian.h>
50 #include <sys/socket.h>
51 #include <sys/sockio.h>
52 #include <sys/malloc.h>
53 #include <sys/kernel.h>
54 #include <sys/module.h>
55 #include <sys/eventhandler.h>
56 #include <machine/bus.h>
57 #include <machine/bus_dma.h>
58 #include <machine/resource.h>
63 #include <net/if_var.h>
64 #include <net/if_arp.h>
65 #include <net/ethernet.h>
66 #include <net/if_media.h>
67 #include <net/if_types.h>
68 #include <net/if_dl.h>
73 #include <netinet/in.h>
74 #include <netinet/if_ether.h>
79 #include <net/if_var.h>
81 #include <dev/pci/pcivar.h>
82 #include <dev/pci/pcireg.h>
83 #include <dev/de/dc21040reg.h>
90 * Intel CPUs should use I/O mapped access.
93 #define TULIP_IOMAPPED
97 /* This enables KTR traces at KTR_DEV. */
98 #define KTR_TULIP KTR_DEV
105 * This turns on all sort of debugging stuff and make the
106 * driver much larger.
112 #define TULIP_PERFSTATS
117 #include <dev/de/if_devar.h>
124 * This module supports
125 * the DEC 21040 PCI Ethernet Controller.
126 * the DEC 21041 PCI Ethernet Controller.
127 * the DEC 21140 PCI Fast Ethernet Controller.
129 static void tulip_addr_filter(tulip_softc_t * const sc);
130 static int tulip_ifmedia_change(struct ifnet * const ifp);
131 static void tulip_ifmedia_status(struct ifnet * const ifp,
132 struct ifmediareq *req);
133 static void tulip_init(void *);
134 static void tulip_init_locked(tulip_softc_t * const sc);
135 static void tulip_intr_shared(void *arg);
136 static void tulip_intr_normal(void *arg);
137 static void tulip_mii_autonegotiate(tulip_softc_t * const sc,
138 const unsigned phyaddr);
139 static int tulip_mii_map_abilities(tulip_softc_t * const sc,
142 tulip_mii_phy_readspecific(tulip_softc_t * const sc);
143 static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr,
145 static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr,
146 unsigned regno, unsigned data);
147 static void tulip_reset(tulip_softc_t * const sc);
148 static void tulip_rx_intr(tulip_softc_t * const sc);
149 static int tulip_srom_decode(tulip_softc_t * const sc);
150 static void tulip_start(struct ifnet *ifp);
151 static void tulip_start_locked(tulip_softc_t * const sc);
153 tulip_txput(tulip_softc_t * const sc, struct mbuf *m);
154 static void tulip_txput_setup(tulip_softc_t * const sc);
155 static void tulip_watchdog(void *arg);
156 struct mbuf * tulip_dequeue_mbuf(tulip_ringinfo_t *ri, tulip_descinfo_t *di,
158 static void tulip_dma_map_addr(void *, bus_dma_segment_t *, int, int);
159 static void tulip_dma_map_rxbuf(void *, bus_dma_segment_t *, int,
163 tulip_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error)
171 *paddr = segs->ds_addr;
175 tulip_dma_map_rxbuf(void *arg, bus_dma_segment_t *segs, int nseg,
176 bus_size_t mapsize, int error)
184 KASSERT(nseg == 1, ("too many DMA segments"));
185 KASSERT(segs[0].ds_len >= TULIP_RX_BUFLEN, ("receive buffer too small"));
187 desc->d_addr1 = segs[0].ds_addr & 0xffffffff;
188 desc->d_length1 = TULIP_RX_BUFLEN;
190 /* These should already always be zero. */
197 tulip_dequeue_mbuf(tulip_ringinfo_t *ri, tulip_descinfo_t *di, int sync)
207 TULIP_RXMAP_POSTSYNC(ri, di);
210 TULIP_TXMAP_POSTSYNC(ri, di);
213 panic("bad sync flag: %d", sync);
215 bus_dmamap_unload(ri->ri_data_tag, *di->di_map);
222 tulip_timeout_callback(void *arg)
224 tulip_softc_t * const sc = arg;
226 TULIP_PERFSTART(timeout)
227 TULIP_LOCK_ASSERT(sc);
229 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING;
230 sc->tulip_probe_timeout -= 1000 / TULIP_HZ;
231 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER);
233 TULIP_PERFEND(timeout);
237 tulip_timeout(tulip_softc_t * const sc)
239 TULIP_LOCK_ASSERT(sc);
240 if (sc->tulip_flags & TULIP_TIMEOUTPENDING)
242 sc->tulip_flags |= TULIP_TIMEOUTPENDING;
243 callout_reset(&sc->tulip_callout, (hz + TULIP_HZ / 2) / TULIP_HZ,
244 tulip_timeout_callback, sc);
248 tulip_txprobe(tulip_softc_t * const sc)
254 * Before we are sure this is the right media we need
255 * to send a small packet to make sure there's carrier.
256 * Strangely, BNC and AUI will "see" receive data if
257 * either is connected so the transmit is the only way
258 * to verify the connectivity.
260 TULIP_LOCK_ASSERT(sc);
261 MGETHDR(m, M_NOWAIT, MT_DATA);
265 * Construct a LLC TEST message which will point to ourselves.
267 if (sc->tulip_ifp->if_input != NULL)
268 enaddr = IF_LLADDR(sc->tulip_ifp);
270 enaddr = sc->tulip_enaddr;
271 bcopy(enaddr, mtod(m, struct ether_header *)->ether_dhost, ETHER_ADDR_LEN);
272 bcopy(enaddr, mtod(m, struct ether_header *)->ether_shost, ETHER_ADDR_LEN);
273 mtod(m, struct ether_header *)->ether_type = htons(3);
274 mtod(m, unsigned char *)[14] = 0;
275 mtod(m, unsigned char *)[15] = 0;
276 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */
277 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3;
281 sc->tulip_cmdmode |= TULIP_CMD_TXRUN;
282 sc->tulip_intrmask |= TULIP_STS_TXINTR;
283 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE;
284 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
285 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
286 if ((m = tulip_txput(sc, m)) != NULL)
288 sc->tulip_probe.probe_txprobes++;
293 tulip_media_set(tulip_softc_t * const sc, tulip_media_t media)
295 const tulip_media_info_t *mi = sc->tulip_mediums[media];
297 TULIP_LOCK_ASSERT(sc);
302 * If we are switching media, make sure we don't think there's
303 * any stale RX activity
305 sc->tulip_flags &= ~TULIP_RXACT;
306 if (mi->mi_type == TULIP_MEDIAINFO_SIA) {
307 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET);
308 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx);
309 if (sc->tulip_features & TULIP_HAVE_SIAGP) {
310 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general);
312 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general);
314 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general);
316 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity);
317 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) {
318 #define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL)
320 * If the cmdmode bits don't match the currently operating mode,
321 * set the cmdmode appropriately and reset the chip.
323 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) {
324 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS;
325 sc->tulip_cmdmode |= mi->mi_cmdmode;
328 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit);
330 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata);
331 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) {
333 * If the cmdmode bits don't match the currently operating mode,
334 * set the cmdmode appropriately and reset the chip.
336 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) {
337 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS;
338 sc->tulip_cmdmode |= mi->mi_cmdmode;
341 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol);
342 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata);
343 } else if (mi->mi_type == TULIP_MEDIAINFO_MII
344 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) {
346 if (sc->tulip_features & TULIP_HAVE_SIAGP) {
348 dp = &sc->tulip_rombuf[mi->mi_reset_offset];
349 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) {
351 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16);
353 sc->tulip_phyaddr = mi->mi_phyaddr;
354 dp = &sc->tulip_rombuf[mi->mi_gpr_offset];
355 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) {
357 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16);
360 for (idx = 0; idx < mi->mi_reset_length; idx++) {
362 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]);
364 sc->tulip_phyaddr = mi->mi_phyaddr;
365 for (idx = 0; idx < mi->mi_gpr_length; idx++) {
367 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]);
370 if (sc->tulip_flags & TULIP_TRYNWAY) {
371 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr);
372 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) {
373 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL);
374 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE);
375 sc->tulip_flags &= ~TULIP_DIDNWAY;
376 if (TULIP_IS_MEDIA_FD(media))
377 data |= PHYCTL_FULL_DUPLEX;
378 if (TULIP_IS_MEDIA_100MB(media))
379 data |= PHYCTL_SELECT_100MB;
380 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data);
386 tulip_linkup(tulip_softc_t * const sc, tulip_media_t media)
388 TULIP_LOCK_ASSERT(sc);
389 if ((sc->tulip_flags & TULIP_LINKUP) == 0)
390 sc->tulip_flags |= TULIP_PRINTLINKUP;
391 sc->tulip_flags |= TULIP_LINKUP;
392 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
393 #if 0 /* XXX how does with work with ifmedia? */
394 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) {
395 if (sc->tulip_ifp->if_flags & IFF_FULLDUPLEX) {
396 if (TULIP_CAN_MEDIA_FD(media)
397 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL)
398 media = TULIP_FD_MEDIA_OF(media);
400 if (TULIP_IS_MEDIA_FD(media)
401 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL)
402 media = TULIP_HD_MEDIA_OF(media);
406 if (sc->tulip_media != media) {
408 sc->tulip_dbg.dbg_last_media = sc->tulip_media;
410 sc->tulip_media = media;
411 sc->tulip_flags |= TULIP_PRINTMEDIA;
412 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) {
413 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX;
414 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) {
415 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
419 * We could set probe_timeout to 0 but setting to 3000 puts this
420 * in one central place and the only matters is tulip_link is
421 * followed by a tulip_timeout. Therefore setting it should not
422 * result in aberrant behavour.
424 sc->tulip_probe_timeout = 3000;
425 sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
426 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY);
427 if (sc->tulip_flags & TULIP_INRESET) {
428 tulip_media_set(sc, sc->tulip_media);
429 } else if (sc->tulip_probe_media != sc->tulip_media) {
431 * No reason to change media if we have the right media.
435 tulip_init_locked(sc);
439 tulip_media_print(tulip_softc_t * const sc)
442 TULIP_LOCK_ASSERT(sc);
443 if ((sc->tulip_flags & TULIP_LINKUP) == 0)
445 if (sc->tulip_flags & TULIP_PRINTMEDIA) {
446 device_printf(sc->tulip_dev, "enabling %s port\n",
447 tulip_mediums[sc->tulip_media]);
448 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP);
449 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) {
450 device_printf(sc->tulip_dev, "link up\n");
451 sc->tulip_flags &= ~TULIP_PRINTLINKUP;
455 #if defined(TULIP_DO_GPR_SENSE)
457 tulip_21140_gpr_media_sense(tulip_softc_t * const sc)
459 struct ifnet *ifp sc->tulip_ifp;
460 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN;
461 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN;
464 TULIP_LOCK_ASSERT(sc);
467 * If one of the media blocks contained a default media flag,
470 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) {
471 const tulip_media_info_t *mi;
473 * Media is not supported (or is full-duplex).
475 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media))
477 if (mi->mi_type != TULIP_MEDIAINFO_GPR)
481 * Remember the media is this is the "default" media.
483 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN)
487 * No activity mask? Can't see if it is active if there's no mask.
489 if (mi->mi_actmask == 0)
493 * Does the activity data match?
495 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata)
498 #if defined(TULIP_DEBUG)
499 device_printf(sc->tulip_dev, "%s: %s: 0x%02x & 0x%02x == 0x%02x\n",
500 __func__, tulip_mediums[media], TULIP_CSR_READ(sc, csr_gp) & 0xFF,
501 mi->mi_actmask, mi->mi_actdata);
504 * It does! If this is the first media we detected, then
505 * remember this media. If isn't the first, then there were
506 * multiple matches which we equate to no match (since we don't
507 * which to select (if any).
509 if (last_media == TULIP_MEDIA_UNKNOWN) {
511 } else if (last_media != media) {
512 last_media = TULIP_MEDIA_UNKNOWN;
515 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media;
517 #endif /* TULIP_DO_GPR_SENSE */
519 static tulip_link_status_t
520 tulip_media_link_monitor(tulip_softc_t * const sc)
522 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media];
523 tulip_link_status_t linkup = TULIP_LINK_DOWN;
525 TULIP_LOCK_ASSERT(sc);
527 #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG)
528 panic("tulip_media_link_monitor: %s: botch at line %d\n",
529 tulip_mediums[sc->tulip_media],__LINE__);
531 return TULIP_LINK_UNKNOWN;
537 * Have we seen some packets? If so, the link must be good.
539 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) {
540 sc->tulip_flags &= ~TULIP_RXACT;
541 sc->tulip_probe_timeout = 3000;
542 return TULIP_LINK_UP;
545 sc->tulip_flags &= ~TULIP_RXACT;
546 if (mi->mi_type == TULIP_MEDIAINFO_MII) {
549 * Read the PHY status register.
551 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS);
552 if (status & PHYSTS_AUTONEG_DONE) {
554 * If the PHY has completed autonegotiation, see the if the
555 * remote systems abilities have changed. If so, upgrade or
556 * downgrade as appropriate.
558 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES);
559 abilities = (abilities << 6) & status;
560 if (abilities != sc->tulip_abilities) {
561 #if defined(TULIP_DEBUG)
562 loudprintf("%s(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n",
563 ifp->if_xname, sc->tulip_phyaddr,
564 sc->tulip_abilities, abilities);
566 if (tulip_mii_map_abilities(sc, abilities)) {
567 tulip_linkup(sc, sc->tulip_probe_media);
568 return TULIP_LINK_UP;
571 * if we had selected media because of autonegotiation,
572 * we need to probe for the new media.
574 sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
575 if (sc->tulip_flags & TULIP_DIDNWAY)
576 return TULIP_LINK_DOWN;
580 * The link is now up. If was down, say its back up.
582 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP)
583 linkup = TULIP_LINK_UP;
584 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) {
586 * No activity sensor? Assume all's well.
588 if (mi->mi_actmask == 0)
589 return TULIP_LINK_UNKNOWN;
591 * Does the activity data match?
593 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata)
594 linkup = TULIP_LINK_UP;
595 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) {
597 * Assume non TP ok for now.
599 if (!TULIP_IS_MEDIA_TP(sc->tulip_media))
600 return TULIP_LINK_UNKNOWN;
601 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0)
602 linkup = TULIP_LINK_UP;
603 #if defined(TULIP_DEBUG)
604 if (sc->tulip_probe_timeout <= 0)
605 device_printf(sc->tulip_dev, "sia status = 0x%08x\n",
606 TULIP_CSR_READ(sc, csr_sia_status));
608 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) {
609 return TULIP_LINK_UNKNOWN;
612 * We will wait for 3 seconds until the link goes into suspect mode.
614 if (sc->tulip_flags & TULIP_LINKUP) {
615 if (linkup == TULIP_LINK_UP)
616 sc->tulip_probe_timeout = 3000;
617 if (sc->tulip_probe_timeout > 0)
618 return TULIP_LINK_UP;
620 sc->tulip_flags &= ~TULIP_LINKUP;
621 device_printf(sc->tulip_dev, "link down: cable problem?\n");
623 #if defined(TULIP_DEBUG)
624 sc->tulip_dbg.dbg_link_downed++;
626 return TULIP_LINK_DOWN;
630 tulip_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event)
633 TULIP_LOCK_ASSERT(sc);
634 #if defined(TULIP_DEBUG)
635 sc->tulip_dbg.dbg_events[event]++;
637 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE
638 && event == TULIP_MEDIAPOLL_TIMER) {
639 switch (tulip_media_link_monitor(sc)) {
640 case TULIP_LINK_DOWN: {
642 * Link Monitor failed. Probe for new media.
644 event = TULIP_MEDIAPOLL_LINKFAIL;
647 case TULIP_LINK_UP: {
654 case TULIP_LINK_UNKNOWN: {
656 * We can't tell so don't bother.
663 if (event == TULIP_MEDIAPOLL_LINKFAIL) {
664 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) {
665 if (TULIP_DO_AUTOSENSE(sc)) {
666 #if defined(TULIP_DEBUG)
667 sc->tulip_dbg.dbg_link_failures++;
669 sc->tulip_media = TULIP_MEDIA_UNKNOWN;
670 if (sc->tulip_ifp->if_flags & IFF_UP)
671 tulip_reset(sc); /* restart probe */
675 #if defined(TULIP_DEBUG)
676 sc->tulip_dbg.dbg_link_pollintrs++;
680 if (event == TULIP_MEDIAPOLL_START) {
681 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE;
682 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE)
684 sc->tulip_probe_mediamask = 0;
685 sc->tulip_probe_passes = 0;
686 #if defined(TULIP_DEBUG)
687 sc->tulip_dbg.dbg_media_probes++;
690 * If the SROM contained an explicit media to use, use it.
692 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX);
693 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS;
694 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP);
696 * connidx is defaulted to a media_unknown type.
698 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media;
699 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) {
700 tulip_linkup(sc, sc->tulip_probe_media);
705 if (sc->tulip_features & TULIP_HAVE_GPR) {
706 sc->tulip_probe_state = TULIP_PROBE_GPRTEST;
707 sc->tulip_probe_timeout = 2000;
709 sc->tulip_probe_media = TULIP_MEDIA_MAX;
710 sc->tulip_probe_timeout = 0;
711 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
716 * Ignore txprobe failures or spurious callbacks.
718 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED
719 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) {
720 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
725 * If we really transmitted a packet, then that's the media we'll use.
727 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) {
728 if (event == TULIP_MEDIAPOLL_LINKPASS) {
729 /* XXX Check media status just to be sure */
730 sc->tulip_probe_media = TULIP_MEDIA_10BASET;
731 #if defined(TULIP_DEBUG)
733 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++;
736 tulip_linkup(sc, sc->tulip_probe_media);
741 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) {
742 #if defined(TULIP_DO_GPR_SENSE)
744 * Check for media via the general purpose register.
746 * Try to sense the media via the GPR. If the same value
747 * occurs 3 times in a row then just use that.
749 if (sc->tulip_probe_timeout > 0) {
750 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc);
751 #if defined(TULIP_DEBUG)
752 device_printf(sc->tulip_dev, "%s: gpr sensing = %s\n", __func__,
753 tulip_mediums[new_probe_media]);
755 if (new_probe_media != TULIP_MEDIA_UNKNOWN) {
756 if (new_probe_media == sc->tulip_probe_media) {
757 if (--sc->tulip_probe_count == 0)
758 tulip_linkup(sc, sc->tulip_probe_media);
760 sc->tulip_probe_count = 10;
763 sc->tulip_probe_media = new_probe_media;
767 #endif /* TULIP_DO_GPR_SENSE */
769 * Brute force. We cycle through each of the media types
770 * and try to transmit a packet.
772 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
773 sc->tulip_probe_media = TULIP_MEDIA_MAX;
774 sc->tulip_probe_timeout = 0;
779 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST
780 && (sc->tulip_features & TULIP_HAVE_MII)) {
781 tulip_media_t old_media = sc->tulip_probe_media;
782 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr);
783 switch (sc->tulip_probe_state) {
784 case TULIP_PROBE_FAILED:
785 case TULIP_PROBE_MEDIATEST: {
787 * Try the next media.
789 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask;
790 sc->tulip_probe_timeout = 0;
792 if (sc->tulip_probe_state == TULIP_PROBE_FAILED)
794 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc))
796 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300;
800 case TULIP_PROBE_PHYAUTONEG: {
803 case TULIP_PROBE_INACTIVE: {
805 * Only probe if we autonegotiated a media that hasn't failed.
807 sc->tulip_probe_timeout = 0;
808 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) {
809 sc->tulip_probe_media = old_media;
812 tulip_linkup(sc, sc->tulip_probe_media);
817 #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG)
818 panic("tulip_media_poll: botch at line %d\n", __LINE__);
825 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) {
826 #if defined(TULIP_DEBUG)
827 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++;
829 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
834 * switch to another media if we tried this one enough.
836 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) {
837 #if defined(TULIP_DEBUG)
838 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) {
839 device_printf(sc->tulip_dev, "poll media unknown!\n");
840 sc->tulip_probe_media = TULIP_MEDIA_MAX;
844 * Find the next media type to check for. Full Duplex
845 * types are not allowed.
848 sc->tulip_probe_media -= 1;
849 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) {
850 if (++sc->tulip_probe_passes == 3) {
851 device_printf(sc->tulip_dev,
852 "autosense failed: cable problem?\n");
853 if ((sc->tulip_ifp->if_flags & IFF_UP) == 0) {
854 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
855 sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
859 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */
860 sc->tulip_probe_mediamask = 0;
861 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1;
863 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL
864 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media))
865 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media));
867 #if defined(TULIP_DEBUG)
868 device_printf(sc->tulip_dev, "%s: probing %s\n",
869 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout",
870 tulip_mediums[sc->tulip_probe_media]);
872 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000;
873 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
874 sc->tulip_probe.probe_txprobes = 0;
876 tulip_media_set(sc, sc->tulip_probe_media);
877 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
882 * If this is hanging off a phy, we know are doing NWAY and we have
883 * forced the phy to a specific speed. Wait for link up before
884 * before sending a packet.
886 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) {
887 case TULIP_MEDIAINFO_MII: {
888 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc))
892 case TULIP_MEDIAINFO_SIA: {
893 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) {
894 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL)
896 tulip_linkup(sc, sc->tulip_probe_media);
898 if (sc->tulip_features & TULIP_HAVE_MII)
905 case TULIP_MEDIAINFO_RESET:
906 case TULIP_MEDIAINFO_SYM:
907 case TULIP_MEDIAINFO_NONE:
908 case TULIP_MEDIAINFO_GPR: {
913 * Try to send a packet.
919 tulip_media_select(tulip_softc_t * const sc)
921 TULIP_LOCK_ASSERT(sc);
922 if (sc->tulip_features & TULIP_HAVE_GPR) {
923 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit);
925 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata);
928 * If this board has no media, just return
930 if (sc->tulip_features & TULIP_HAVE_NOMEDIA)
933 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) {
934 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
935 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START);
937 tulip_media_set(sc, sc->tulip_media);
942 tulip_21040_mediainfo_init(tulip_softc_t * const sc, tulip_media_t media)
944 TULIP_LOCK_ASSERT(sc);
945 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160
946 |TULIP_CMD_BACKOFFCTR;
947 sc->tulip_ifp->if_baudrate = 10000000;
949 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) {
950 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET);
951 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD);
952 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
955 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) {
956 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC);
959 if (media == TULIP_MEDIA_UNKNOWN) {
960 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA);
965 tulip_21040_media_probe(tulip_softc_t * const sc)
967 TULIP_LOCK_ASSERT(sc);
968 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN);
973 tulip_21040_10baset_only_media_probe(tulip_softc_t * const sc)
975 TULIP_LOCK_ASSERT(sc);
976 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET);
977 tulip_media_set(sc, TULIP_MEDIA_10BASET);
978 sc->tulip_media = TULIP_MEDIA_10BASET;
982 tulip_21040_10baset_only_media_select(tulip_softc_t * const sc)
984 TULIP_LOCK_ASSERT(sc);
985 sc->tulip_flags |= TULIP_LINKUP;
986 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) {
987 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX;
988 sc->tulip_flags &= ~TULIP_SQETEST;
990 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
991 sc->tulip_flags |= TULIP_SQETEST;
993 tulip_media_set(sc, sc->tulip_media);
997 tulip_21040_auibnc_only_media_probe(tulip_softc_t * const sc)
999 TULIP_LOCK_ASSERT(sc);
1000 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC);
1001 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP;
1002 tulip_media_set(sc, TULIP_MEDIA_AUIBNC);
1003 sc->tulip_media = TULIP_MEDIA_AUIBNC;
1007 tulip_21040_auibnc_only_media_select(tulip_softc_t * const sc)
1009 TULIP_LOCK_ASSERT(sc);
1010 tulip_media_set(sc, TULIP_MEDIA_AUIBNC);
1011 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
1014 static const tulip_boardsw_t tulip_21040_boardsw = {
1015 TULIP_21040_GENERIC,
1016 tulip_21040_media_probe,
1021 static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = {
1022 TULIP_21040_GENERIC,
1023 tulip_21040_10baset_only_media_probe,
1024 tulip_21040_10baset_only_media_select,
1028 static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = {
1029 TULIP_21040_GENERIC,
1030 tulip_21040_auibnc_only_media_probe,
1031 tulip_21040_auibnc_only_media_select,
1036 tulip_21041_mediainfo_init(tulip_softc_t * const sc)
1038 tulip_media_info_t * const mi = sc->tulip_mediainfo;
1040 TULIP_LOCK_ASSERT(sc);
1042 if (sc->tulip_revinfo >= 0x20) {
1043 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET);
1044 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD);
1045 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI);
1046 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC);
1050 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET);
1051 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD);
1052 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI);
1053 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC);
1057 tulip_21041_media_probe(tulip_softc_t * const sc)
1059 TULIP_LOCK_ASSERT(sc);
1060 sc->tulip_ifp->if_baudrate = 10000000;
1061 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT
1062 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR;
1063 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
1064 tulip_21041_mediainfo_init(sc);
1068 tulip_21041_media_poll(tulip_softc_t * const sc,
1069 const tulip_mediapoll_event_t event)
1071 u_int32_t sia_status;
1073 TULIP_LOCK_ASSERT(sc);
1074 #if defined(TULIP_DEBUG)
1075 sc->tulip_dbg.dbg_events[event]++;
1078 if (event == TULIP_MEDIAPOLL_LINKFAIL) {
1079 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE
1080 || !TULIP_DO_AUTOSENSE(sc))
1082 sc->tulip_media = TULIP_MEDIA_UNKNOWN;
1083 tulip_reset(sc); /* start probe */
1088 * If we've been been asked to start a poll or link change interrupt
1089 * restart the probe (and reset the tulip to a known state).
1091 if (event == TULIP_MEDIAPOLL_START) {
1092 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1093 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN);
1095 if (sc->tulip_revinfo >= 0x20) {
1096 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX;
1097 sc->tulip_flags |= TULIP_DIDNWAY;
1100 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
1101 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
1102 sc->tulip_probe_media = TULIP_MEDIA_10BASET;
1103 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT;
1104 tulip_media_set(sc, TULIP_MEDIA_10BASET);
1109 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE)
1112 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) {
1113 #if defined(TULIP_DEBUG)
1114 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++;
1116 tulip_linkup(sc, sc->tulip_probe_media);
1120 sia_status = TULIP_CSR_READ(sc, csr_sia_status);
1121 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status);
1122 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) {
1123 if (sc->tulip_revinfo >= 0x20) {
1124 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6)))
1125 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD;
1128 * If the link has passed LinkPass, 10baseT is the
1129 * proper media to use.
1131 tulip_linkup(sc, sc->tulip_probe_media);
1136 * wait for up to 2.4 seconds for the link to reach pass state.
1137 * Only then start scanning the other media for activity.
1138 * choose media with receive activity over those without.
1140 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) {
1141 if (event != TULIP_MEDIAPOLL_TIMER)
1143 if (sc->tulip_probe_timeout > 0
1144 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) {
1148 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
1149 sc->tulip_flags |= TULIP_WANTRXACT;
1150 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) {
1151 sc->tulip_probe_media = TULIP_MEDIA_BNC;
1153 sc->tulip_probe_media = TULIP_MEDIA_AUI;
1155 tulip_media_set(sc, sc->tulip_probe_media);
1161 * If we failed, clear the txprobe active flag.
1163 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED)
1164 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
1167 if (event == TULIP_MEDIAPOLL_TIMER) {
1169 * If we've received something, then that's our link!
1171 if (sc->tulip_flags & TULIP_RXACT) {
1172 tulip_linkup(sc, sc->tulip_probe_media);
1176 * if no txprobe active
1178 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0
1179 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0
1180 || (sia_status & TULIP_SIASTS_RXACTIVITY))) {
1181 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
1187 * Take 2 passes through before deciding to not
1188 * wait for receive activity. Then take another
1189 * two passes before spitting out a warning.
1191 if (sc->tulip_probe_timeout <= 0) {
1192 if (sc->tulip_flags & TULIP_WANTRXACT) {
1193 sc->tulip_flags &= ~TULIP_WANTRXACT;
1194 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
1196 device_printf(sc->tulip_dev,
1197 "autosense failed: cable problem?\n");
1198 if ((sc->tulip_ifp->if_flags & IFF_UP) == 0) {
1199 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1200 sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
1208 * Since this media failed to probe, try the other one.
1210 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
1211 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) {
1212 sc->tulip_probe_media = TULIP_MEDIA_BNC;
1214 sc->tulip_probe_media = TULIP_MEDIA_AUI;
1216 tulip_media_set(sc, sc->tulip_probe_media);
1217 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
1221 static const tulip_boardsw_t tulip_21041_boardsw = {
1222 TULIP_21041_GENERIC,
1223 tulip_21041_media_probe,
1225 tulip_21041_media_poll
1228 static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = {
1229 { 0x20005c00, 0, /* 08-00-17 */
1231 { 0x19, 0x0040, 0x0040 }, /* 10TX */
1232 { 0x19, 0x0040, 0x0000 }, /* 100TX */
1234 #if defined(TULIP_DEBUG)
1238 { 0x0281F400, 0, /* 00-A0-7D */
1240 { 0x12, 0x0010, 0x0000 }, /* 10T */
1242 { 0x12, 0x0010, 0x0010 }, /* 100T4 */
1243 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */
1245 #if defined(TULIP_DEBUG)
1250 { 0x0015F420, 0, /* 00-A0-7D */
1252 { 0x12, 0x0010, 0x0000 }, /* 10T */
1254 { 0x12, 0x0010, 0x0010 }, /* 100T4 */
1255 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */
1257 #if defined(TULIP_DEBUG)
1262 { 0x0281F400, 0, /* 00-A0-BE */
1264 { 0x11, 0x8000, 0x0000 }, /* 10T */
1265 { 0x11, 0x8000, 0x8000 }, /* 100TX */
1267 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */
1269 #if defined(TULIP_DEBUG)
1276 static tulip_media_t
1277 tulip_mii_phy_readspecific(tulip_softc_t * const sc)
1279 const tulip_phy_attr_t *attr;
1283 static const tulip_media_t table[] = {
1284 TULIP_MEDIA_UNKNOWN,
1285 TULIP_MEDIA_10BASET,
1286 TULIP_MEDIA_100BASETX,
1287 TULIP_MEDIA_100BASET4,
1288 TULIP_MEDIA_UNKNOWN,
1289 TULIP_MEDIA_10BASET_FD,
1290 TULIP_MEDIA_100BASETX_FD,
1294 TULIP_LOCK_ASSERT(sc);
1297 * Don't read phy specific registers if link is not up.
1299 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS);
1300 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS))
1301 return TULIP_MEDIA_UNKNOWN;
1303 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) |
1304 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH);
1305 for (attr = tulip_mii_phy_attrlist;; attr++) {
1306 if (attr->attr_id == 0)
1307 return TULIP_MEDIA_UNKNOWN;
1308 if ((id & ~0x0F) == attr->attr_id)
1312 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) {
1313 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX];
1314 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
1315 if ((data & pm->pm_mask) == pm->pm_value)
1318 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) {
1319 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4];
1320 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
1321 if ((data & pm->pm_mask) == pm->pm_value)
1324 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) {
1325 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T];
1326 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
1327 if ((data & pm->pm_mask) == pm->pm_value)
1330 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) {
1331 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX];
1332 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
1333 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0);
1339 tulip_mii_get_phyaddr(tulip_softc_t * const sc, unsigned offset)
1343 TULIP_LOCK_ASSERT(sc);
1344 for (phyaddr = 1; phyaddr < 32; phyaddr++) {
1345 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS);
1346 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET)
1353 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS);
1354 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET)
1355 return TULIP_MII_NOPHY;
1358 return TULIP_MII_NOPHY;
1362 tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities)
1364 TULIP_LOCK_ASSERT(sc);
1365 sc->tulip_abilities = abilities;
1366 if (abilities & PHYSTS_100BASETX_FD) {
1367 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD;
1368 } else if (abilities & PHYSTS_100BASET4) {
1369 sc->tulip_probe_media = TULIP_MEDIA_100BASET4;
1370 } else if (abilities & PHYSTS_100BASETX) {
1371 sc->tulip_probe_media = TULIP_MEDIA_100BASETX;
1372 } else if (abilities & PHYSTS_10BASET_FD) {
1373 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD;
1374 } else if (abilities & PHYSTS_10BASET) {
1375 sc->tulip_probe_media = TULIP_MEDIA_10BASET;
1377 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
1380 sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
1385 tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr)
1387 struct ifnet *ifp = sc->tulip_ifp;
1389 TULIP_LOCK_ASSERT(sc);
1390 switch (sc->tulip_probe_state) {
1391 case TULIP_PROBE_MEDIATEST:
1392 case TULIP_PROBE_INACTIVE: {
1393 sc->tulip_flags |= TULIP_DIDNWAY;
1394 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET);
1395 sc->tulip_probe_timeout = 3000;
1396 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR;
1397 sc->tulip_probe_state = TULIP_PROBE_PHYRESET;
1400 case TULIP_PROBE_PHYRESET: {
1402 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL);
1403 if (data & PHYCTL_RESET) {
1404 if (sc->tulip_probe_timeout > 0) {
1408 printf("%s(phy%d): error: reset of PHY never completed!\n",
1409 ifp->if_xname, phyaddr);
1410 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
1411 sc->tulip_probe_state = TULIP_PROBE_FAILED;
1412 sc->tulip_ifp->if_flags &= ~IFF_UP;
1413 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1416 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS);
1417 if ((status & PHYSTS_CAN_AUTONEG) == 0) {
1418 #if defined(TULIP_DEBUG)
1419 loudprintf("%s(phy%d): autonegotiation disabled\n",
1420 ifp->if_xname, phyaddr);
1422 sc->tulip_flags &= ~TULIP_DIDNWAY;
1423 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
1426 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01))
1427 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01);
1428 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE);
1429 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL);
1430 #if defined(TULIP_DEBUG)
1431 if ((data & PHYCTL_AUTONEG_ENABLE) == 0)
1432 loudprintf("%s(phy%d): oops: enable autonegotiation failed: 0x%04x\n",
1433 ifp->if_xname, phyaddr, data);
1435 loudprintf("%s(phy%d): autonegotiation restarted: 0x%04x\n",
1436 ifp->if_xname, phyaddr, data);
1437 sc->tulip_dbg.dbg_nway_starts++;
1439 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG;
1440 sc->tulip_probe_timeout = 3000;
1443 case TULIP_PROBE_PHYAUTONEG: {
1444 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS);
1446 if ((status & PHYSTS_AUTONEG_DONE) == 0) {
1447 if (sc->tulip_probe_timeout > 0) {
1451 #if defined(TULIP_DEBUG)
1452 loudprintf("%s(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n",
1453 ifp->if_xname, phyaddr, status,
1454 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL));
1456 sc->tulip_flags &= ~TULIP_DIDNWAY;
1457 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
1460 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES);
1461 #if defined(TULIP_DEBUG)
1462 loudprintf("%s(phy%d): autonegotiation complete: 0x%04x\n",
1463 ifp->if_xname, phyaddr, data);
1465 data = (data << 6) & status;
1466 if (!tulip_mii_map_abilities(sc, data))
1467 sc->tulip_flags &= ~TULIP_DIDNWAY;
1471 #if defined(DIAGNOSTIC)
1472 panic("tulip_media_poll: botch at line %d\n", __LINE__);
1477 #if defined(TULIP_DEBUG)
1478 loudprintf("%s(phy%d): autonegotiation failure: state = %d\n",
1479 ifp->if_xname, phyaddr, sc->tulip_probe_state);
1480 sc->tulip_dbg.dbg_nway_failures++;
1485 tulip_2114x_media_preset(tulip_softc_t * const sc)
1487 const tulip_media_info_t *mi = NULL;
1488 tulip_media_t media = sc->tulip_media;
1490 TULIP_LOCK_ASSERT(sc);
1491 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE)
1492 media = sc->tulip_media;
1494 media = sc->tulip_probe_media;
1496 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT;
1497 sc->tulip_flags &= ~TULIP_SQETEST;
1498 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) {
1499 #if defined(TULIP_DEBUG)
1500 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) {
1502 mi = sc->tulip_mediums[media];
1503 if (mi->mi_type == TULIP_MEDIAINFO_MII) {
1504 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT;
1505 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR
1506 || mi->mi_type == TULIP_MEDIAINFO_SYM) {
1507 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS;
1508 sc->tulip_cmdmode |= mi->mi_cmdmode;
1509 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) {
1510 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET);
1512 #if defined(TULIP_DEBUG)
1514 device_printf(sc->tulip_dev, "preset: bad media %d!\n", media);
1519 case TULIP_MEDIA_BNC:
1520 case TULIP_MEDIA_AUI:
1521 case TULIP_MEDIA_10BASET: {
1522 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
1523 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL;
1524 sc->tulip_ifp->if_baudrate = 10000000;
1525 sc->tulip_flags |= TULIP_SQETEST;
1528 case TULIP_MEDIA_10BASET_FD: {
1529 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL;
1530 sc->tulip_ifp->if_baudrate = 10000000;
1533 case TULIP_MEDIA_100BASEFX:
1534 case TULIP_MEDIA_100BASET4:
1535 case TULIP_MEDIA_100BASETX: {
1536 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL);
1537 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT;
1538 sc->tulip_ifp->if_baudrate = 100000000;
1541 case TULIP_MEDIA_100BASEFX_FD:
1542 case TULIP_MEDIA_100BASETX_FD: {
1543 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT;
1544 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL;
1545 sc->tulip_ifp->if_baudrate = 100000000;
1552 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
1556 ********************************************************************
1557 * Start of 21140/21140A support which does not use the MII interface
1561 tulip_null_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event)
1563 #if defined(TULIP_DEBUG)
1564 sc->tulip_dbg.dbg_events[event]++;
1566 #if defined(DIAGNOSTIC)
1567 device_printf(sc->tulip_dev, "botch(media_poll) at line %d\n", __LINE__);
1572 tulip_21140_mediainit(tulip_softc_t * const sc, tulip_media_info_t * const mip,
1573 tulip_media_t const media, unsigned gpdata, unsigned cmdmode)
1575 TULIP_LOCK_ASSERT(sc);
1576 sc->tulip_mediums[media] = mip;
1577 mip->mi_type = TULIP_MEDIAINFO_GPR;
1578 mip->mi_cmdmode = cmdmode;
1579 mip->mi_gpdata = gpdata;
1583 tulip_21140_evalboard_media_probe(tulip_softc_t * const sc)
1585 tulip_media_info_t *mip = sc->tulip_mediainfo;
1587 TULIP_LOCK_ASSERT(sc);
1588 sc->tulip_gpinit = TULIP_GP_EB_PINS;
1589 sc->tulip_gpdata = TULIP_GP_EB_INIT;
1590 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS);
1591 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT);
1592 TULIP_CSR_WRITE(sc, csr_command,
1593 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT |
1594 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
1595 TULIP_CSR_WRITE(sc, csr_command,
1596 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL);
1598 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) {
1599 sc->tulip_media = TULIP_MEDIA_10BASET;
1601 sc->tulip_media = TULIP_MEDIA_100BASETX;
1603 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
1605 TULIP_CMD_TXTHRSHLDCTL);
1606 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
1608 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
1609 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
1611 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1612 |TULIP_CMD_SCRAMBLER);
1613 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
1615 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1616 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
1619 static const tulip_boardsw_t tulip_21140_eb_boardsw = {
1621 tulip_21140_evalboard_media_probe,
1623 tulip_null_media_poll,
1624 tulip_2114x_media_preset,
1628 tulip_21140_accton_media_probe(tulip_softc_t * const sc)
1630 tulip_media_info_t *mip = sc->tulip_mediainfo;
1633 TULIP_LOCK_ASSERT(sc);
1634 sc->tulip_gpinit = TULIP_GP_EB_PINS;
1635 sc->tulip_gpdata = TULIP_GP_EB_INIT;
1636 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS);
1637 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT);
1638 TULIP_CSR_WRITE(sc, csr_command,
1639 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT |
1640 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
1641 TULIP_CSR_WRITE(sc, csr_command,
1642 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL);
1644 gpdata = TULIP_CSR_READ(sc, csr_gp);
1645 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) {
1646 sc->tulip_media = TULIP_MEDIA_10BASET;
1648 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) {
1649 sc->tulip_media = TULIP_MEDIA_BNC;
1651 sc->tulip_media = TULIP_MEDIA_100BASETX;
1654 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC,
1655 TULIP_GP_EN1207_BNC_INIT,
1656 TULIP_CMD_TXTHRSHLDCTL);
1657 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
1658 TULIP_GP_EN1207_UTP_INIT,
1659 TULIP_CMD_TXTHRSHLDCTL);
1660 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
1661 TULIP_GP_EN1207_UTP_INIT,
1662 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
1663 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
1664 TULIP_GP_EN1207_100_INIT,
1665 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1666 |TULIP_CMD_SCRAMBLER);
1667 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
1668 TULIP_GP_EN1207_100_INIT,
1669 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1670 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
1673 static const tulip_boardsw_t tulip_21140_accton_boardsw = {
1675 tulip_21140_accton_media_probe,
1677 tulip_null_media_poll,
1678 tulip_2114x_media_preset,
1682 tulip_21140_smc9332_media_probe(tulip_softc_t * const sc)
1684 tulip_media_info_t *mip = sc->tulip_mediainfo;
1687 TULIP_LOCK_ASSERT(sc);
1688 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE);
1689 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
1690 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at
1691 33MHz that comes to two microseconds but wait a
1692 bit longer anyways) */
1693 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT |
1694 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
1695 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS;
1696 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT;
1697 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET);
1698 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT);
1700 for (idx = 1000; idx > 0; idx--) {
1701 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp);
1702 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) {
1705 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) {
1712 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET;
1713 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
1714 TULIP_GP_SMC_9332_INIT,
1715 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1716 |TULIP_CMD_SCRAMBLER);
1717 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
1718 TULIP_GP_SMC_9332_INIT,
1719 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1720 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
1721 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
1722 TULIP_GP_SMC_9332_INIT,
1723 TULIP_CMD_TXTHRSHLDCTL);
1724 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
1725 TULIP_GP_SMC_9332_INIT,
1726 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
1729 static const tulip_boardsw_t tulip_21140_smc9332_boardsw = {
1730 TULIP_21140_SMC_9332,
1731 tulip_21140_smc9332_media_probe,
1733 tulip_null_media_poll,
1734 tulip_2114x_media_preset,
1738 tulip_21140_cogent_em100_media_probe(tulip_softc_t * const sc)
1740 tulip_media_info_t *mip = sc->tulip_mediainfo;
1741 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command);
1743 TULIP_LOCK_ASSERT(sc);
1744 sc->tulip_gpinit = TULIP_GP_EM100_PINS;
1745 sc->tulip_gpdata = TULIP_GP_EM100_INIT;
1746 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS);
1747 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT);
1749 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE;
1750 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER);
1751 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) {
1752 TULIP_CSR_WRITE(sc, csr_command, cmdmode);
1753 sc->tulip_media = TULIP_MEDIA_100BASEFX;
1755 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX,
1756 TULIP_GP_EM100_INIT,
1757 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION);
1758 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD,
1759 TULIP_GP_EM100_INIT,
1760 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1761 |TULIP_CMD_FULLDUPLEX);
1763 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER);
1764 sc->tulip_media = TULIP_MEDIA_100BASETX;
1765 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
1766 TULIP_GP_EM100_INIT,
1767 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1768 |TULIP_CMD_SCRAMBLER);
1769 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
1770 TULIP_GP_EM100_INIT,
1771 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1772 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
1776 static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = {
1777 TULIP_21140_COGENT_EM100,
1778 tulip_21140_cogent_em100_media_probe,
1780 tulip_null_media_poll,
1781 tulip_2114x_media_preset
1785 tulip_21140_znyx_zx34x_media_probe(tulip_softc_t * const sc)
1787 tulip_media_info_t *mip = sc->tulip_mediainfo;
1788 int cnt10 = 0, cnt100 = 0, idx;
1790 TULIP_LOCK_ASSERT(sc);
1791 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS;
1792 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT;
1793 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS);
1794 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT);
1795 TULIP_CSR_WRITE(sc, csr_command,
1796 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT |
1797 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
1798 TULIP_CSR_WRITE(sc, csr_command,
1799 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL);
1802 for (idx = 1000; idx > 0; idx--) {
1803 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp);
1804 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)) {
1807 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) {
1816 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET;
1817 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
1818 TULIP_GP_ZX34X_INIT,
1819 TULIP_CMD_TXTHRSHLDCTL);
1820 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
1821 TULIP_GP_ZX34X_INIT,
1822 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
1823 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
1824 TULIP_GP_ZX34X_INIT,
1825 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1826 |TULIP_CMD_SCRAMBLER);
1827 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
1828 TULIP_GP_ZX34X_INIT,
1829 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1830 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
1833 static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = {
1834 TULIP_21140_ZNYX_ZX34X,
1835 tulip_21140_znyx_zx34x_media_probe,
1837 tulip_null_media_poll,
1838 tulip_2114x_media_preset,
1842 tulip_2114x_media_probe(tulip_softc_t * const sc)
1844 TULIP_LOCK_ASSERT(sc);
1845 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE
1846 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72;
1849 static const tulip_boardsw_t tulip_2114x_isv_boardsw = {
1851 tulip_2114x_media_probe,
1854 tulip_2114x_media_preset,
1858 * ******** END of chip-specific handlers. ***********
1862 * Code the read the SROM and MII bit streams (I2C)
1864 #define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0)
1867 tulip_srom_idle(tulip_softc_t * const sc)
1871 csr = SROMSEL ; EMIT;
1872 csr = SROMSEL | SROMRD; EMIT;
1873 csr ^= SROMCS; EMIT;
1874 csr ^= SROMCLKON; EMIT;
1877 * Write 25 cycles of 0 which will force the SROM to be idle.
1879 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) {
1880 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */
1881 csr ^= SROMCLKON; EMIT; /* clock high; data valid */
1883 csr ^= SROMCLKOFF; EMIT;
1884 csr ^= SROMCS; EMIT;
1889 tulip_srom_read(tulip_softc_t * const sc)
1892 const unsigned bitwidth = SROM_BITWIDTH;
1893 const unsigned cmdmask = (SROMCMD_RD << bitwidth);
1894 const unsigned msb = 1 << (bitwidth + 3 - 1);
1895 unsigned lastidx = (1 << bitwidth) - 1;
1897 tulip_srom_idle(sc);
1899 for (idx = 0; idx <= lastidx; idx++) {
1900 unsigned lastbit, data, bits, bit, csr;
1901 csr = SROMSEL ; EMIT;
1902 csr = SROMSEL | SROMRD; EMIT;
1903 csr ^= SROMCSON; EMIT;
1904 csr ^= SROMCLKON; EMIT;
1907 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) {
1908 const unsigned thisbit = bits & msb;
1909 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */
1910 if (thisbit != lastbit) {
1911 csr ^= SROMDOUT; EMIT; /* clock low; invert data */
1915 csr ^= SROMCLKON; EMIT; /* clock high; data valid */
1918 csr ^= SROMCLKOFF; EMIT;
1920 for (data = 0, bits = 0; bits < 16; bits++) {
1922 csr ^= SROMCLKON; EMIT; /* clock high; data valid */
1923 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0;
1924 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */
1926 sc->tulip_rombuf[idx*2] = data & 0xFF;
1927 sc->tulip_rombuf[idx*2+1] = data >> 8;
1928 csr = SROMSEL | SROMRD; EMIT;
1931 tulip_srom_idle(sc);
1934 #define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0)
1937 tulip_mii_writebits(tulip_softc_t * const sc, unsigned data, unsigned bits)
1939 unsigned msb = 1 << (bits - 1);
1940 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
1941 unsigned lastbit = (csr & MII_DOUT) ? msb : 0;
1943 TULIP_LOCK_ASSERT(sc);
1944 csr |= MII_WR; MII_EMIT; /* clock low; assert write */
1946 for (; bits > 0; bits--, data <<= 1) {
1947 const unsigned thisbit = data & msb;
1948 if (thisbit != lastbit) {
1949 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */
1951 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */
1953 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */
1958 tulip_mii_turnaround(tulip_softc_t * const sc, unsigned cmd)
1960 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
1962 TULIP_LOCK_ASSERT(sc);
1963 if (cmd == MII_WRCMD) {
1964 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */
1965 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */
1966 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */
1967 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */
1969 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */
1971 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */
1972 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */
1976 tulip_mii_readbits(tulip_softc_t * const sc)
1979 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
1982 TULIP_LOCK_ASSERT(sc);
1983 for (idx = 0, data = 0; idx < 16; idx++) {
1984 data <<= 1; /* this is NOOP on the first pass through */
1985 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */
1986 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN)
1988 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */
1990 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */
1996 tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno)
1998 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
2001 TULIP_LOCK_ASSERT(sc);
2002 csr &= ~(MII_RD|MII_CLK); MII_EMIT;
2003 tulip_mii_writebits(sc, MII_PREAMBLE, 32);
2004 tulip_mii_writebits(sc, MII_RDCMD, 8);
2005 tulip_mii_writebits(sc, devaddr, 5);
2006 tulip_mii_writebits(sc, regno, 5);
2007 tulip_mii_turnaround(sc, MII_RDCMD);
2009 data = tulip_mii_readbits(sc);
2010 #if defined(TULIP_DEBUG)
2011 sc->tulip_dbg.dbg_phyregs[regno][0] = data;
2012 sc->tulip_dbg.dbg_phyregs[regno][1]++;
2018 tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno,
2021 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
2023 TULIP_LOCK_ASSERT(sc);
2024 csr &= ~(MII_RD|MII_CLK); MII_EMIT;
2025 tulip_mii_writebits(sc, MII_PREAMBLE, 32);
2026 tulip_mii_writebits(sc, MII_WRCMD, 8);
2027 tulip_mii_writebits(sc, devaddr, 5);
2028 tulip_mii_writebits(sc, regno, 5);
2029 tulip_mii_turnaround(sc, MII_WRCMD);
2030 tulip_mii_writebits(sc, data, 16);
2031 #if defined(TULIP_DEBUG)
2032 sc->tulip_dbg.dbg_phyregs[regno][2] = data;
2033 sc->tulip_dbg.dbg_phyregs[regno][3]++;
2037 #define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF)
2038 #define tulip_srom_crcok(databuf) ( \
2039 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \
2040 ((databuf)[126] | ((databuf)[127] << 8)))
2043 tulip_identify_dec_nic(tulip_softc_t * const sc)
2045 TULIP_LOCK_ASSERT(sc);
2046 strcpy(sc->tulip_boardid, "DEC ");
2048 if (sc->tulip_chipid <= TULIP_21040)
2050 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0
2051 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) {
2052 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8);
2053 sc->tulip_boardid[D0+8] = ' ';
2059 tulip_identify_znyx_nic(tulip_softc_t * const sc)
2063 TULIP_LOCK_ASSERT(sc);
2064 strcpy(sc->tulip_boardid, "ZNYX ZX3XX ");
2065 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) {
2067 sc->tulip_boardid[8] = '4';
2068 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125];
2069 if (znyx_ptr < 26 || znyx_ptr > 116) {
2070 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
2073 /* ZX344 = 0010 .. 0013FF
2075 if (sc->tulip_rombuf[znyx_ptr] == 0x4A
2076 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52
2077 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) {
2078 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4];
2079 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) {
2080 sc->tulip_boardid[9] = '2';
2081 if (id == TULIP_ZNYX_ID_ZX342B) {
2082 sc->tulip_boardid[10] = 'B';
2083 sc->tulip_boardid[11] = ' ';
2085 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
2086 } else if (id == TULIP_ZNYX_ID_ZX344) {
2087 sc->tulip_boardid[10] = '4';
2088 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
2089 } else if (id == TULIP_ZNYX_ID_ZX345) {
2090 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5';
2091 } else if (id == TULIP_ZNYX_ID_ZX346) {
2092 sc->tulip_boardid[9] = '6';
2093 } else if (id == TULIP_ZNYX_ID_ZX351) {
2094 sc->tulip_boardid[8] = '5';
2095 sc->tulip_boardid[9] = '1';
2100 * Assume it's a ZX342...
2102 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
2106 sc->tulip_boardid[8] = '1';
2107 if (sc->tulip_chipid == TULIP_21041) {
2108 sc->tulip_boardid[10] = '1';
2111 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) {
2112 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36];
2113 if (id == TULIP_ZNYX_ID_ZX312T) {
2114 sc->tulip_boardid[9] = '2';
2115 sc->tulip_boardid[10] = 'T';
2116 sc->tulip_boardid[11] = ' ';
2117 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
2118 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) {
2119 sc->tulip_boardid[9] = '4';
2120 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
2121 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
2122 } else if (id == TULIP_ZNYX_ID_ZX314) {
2123 sc->tulip_boardid[9] = '4';
2124 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
2125 sc->tulip_features |= TULIP_HAVE_BASEROM;
2126 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) {
2127 sc->tulip_boardid[9] = '5';
2128 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
2129 } else if (id == TULIP_ZNYX_ID_ZX315) {
2130 sc->tulip_boardid[9] = '5';
2131 sc->tulip_features |= TULIP_HAVE_BASEROM;
2137 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) {
2138 sc->tulip_boardid[9] = '4';
2139 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
2140 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
2141 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) {
2142 sc->tulip_boardid[9] = '5';
2143 sc->tulip_boardsw = &tulip_21040_boardsw;
2144 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
2145 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) {
2146 sc->tulip_boardid[9] = '2';
2147 sc->tulip_boardsw = &tulip_21040_boardsw;
2153 tulip_identify_smc_nic(tulip_softc_t * const sc)
2155 u_int32_t id1, id2, ei;
2156 int auibnc = 0, utp = 0;
2159 TULIP_LOCK_ASSERT(sc);
2160 strcpy(sc->tulip_boardid, "SMC ");
2161 if (sc->tulip_chipid == TULIP_21041)
2163 if (sc->tulip_chipid != TULIP_21040) {
2164 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) {
2165 strcpy(&sc->tulip_boardid[4], "9332DST ");
2166 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw;
2167 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) {
2168 strcpy(&sc->tulip_boardid[4], "9334BDT ");
2170 strcpy(&sc->tulip_boardid[4], "9332BDT ");
2174 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8);
2175 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8);
2176 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8);
2178 strcpy(&sc->tulip_boardid[4], "8432");
2179 cp = &sc->tulip_boardid[8];
2181 *cp++ = 'B', auibnc = 1;
2182 if ((id1 & 0xFF) > 0x32)
2183 *cp++ = 'T', utp = 1;
2184 if ((id1 & 0x4000) == 0)
2185 *cp++ = 'A', auibnc = 1;
2187 sc->tulip_boardid[7] = '4';
2191 *cp++ = (ei ? '2' : '1');
2196 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
2197 else if (!utp && auibnc)
2198 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw;
2202 tulip_identify_cogent_nic(tulip_softc_t * const sc)
2204 TULIP_LOCK_ASSERT(sc);
2205 strcpy(sc->tulip_boardid, "Cogent ");
2206 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) {
2207 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) {
2208 strcat(sc->tulip_boardid, "EM100TX ");
2209 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw;
2210 #if defined(TULIP_COGENT_EM110TX_ID)
2211 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) {
2212 strcat(sc->tulip_boardid, "EM110TX ");
2213 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw;
2215 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) {
2216 strcat(sc->tulip_boardid, "EM100FX ");
2217 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw;
2220 * Magic number (0x24001109U) is the SubVendor (0x2400) and
2221 * SubDevId (0x1109) for the ANA6944TX (EM440TX).
2223 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U
2224 && (sc->tulip_features & TULIP_HAVE_BASEROM)) {
2226 * Cogent (Adaptec) is still mapping all INTs to INTA of
2227 * first 21140. Dumb! Dumb!
2229 strcat(sc->tulip_boardid, "EM440TX ");
2230 sc->tulip_features |= TULIP_HAVE_SHAREDINTR;
2232 } else if (sc->tulip_chipid == TULIP_21040) {
2233 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
2238 tulip_identify_accton_nic(tulip_softc_t * const sc)
2240 TULIP_LOCK_ASSERT(sc);
2241 strcpy(sc->tulip_boardid, "ACCTON ");
2242 switch (sc->tulip_chipid) {
2244 strcat(sc->tulip_boardid, "EN1207 ");
2245 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw)
2246 sc->tulip_boardsw = &tulip_21140_accton_boardsw;
2249 strcat(sc->tulip_boardid, "EN1207TX ");
2250 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw)
2251 sc->tulip_boardsw = &tulip_21140_eb_boardsw;
2254 strcat(sc->tulip_boardid, "EN1203 ");
2255 sc->tulip_boardsw = &tulip_21040_boardsw;
2258 strcat(sc->tulip_boardid, "EN1203 ");
2259 sc->tulip_boardsw = &tulip_21041_boardsw;
2262 sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
2268 tulip_identify_asante_nic(tulip_softc_t * const sc)
2270 TULIP_LOCK_ASSERT(sc);
2271 strcpy(sc->tulip_boardid, "Asante ");
2272 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A)
2273 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) {
2274 tulip_media_info_t *mi = sc->tulip_mediainfo;
2277 * The Asante Fast Ethernet doesn't always ship with a valid
2278 * new format SROM. So if isn't in the new format, we cheat
2279 * set it up as if we had.
2282 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS;
2283 sc->tulip_gpdata = 0;
2285 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET);
2286 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET);
2288 TULIP_CSR_WRITE(sc, csr_gp, 0);
2290 mi->mi_type = TULIP_MEDIAINFO_MII;
2291 mi->mi_gpr_length = 0;
2292 mi->mi_gpr_offset = 0;
2293 mi->mi_reset_length = 0;
2294 mi->mi_reset_offset = 0;
2296 mi->mi_phyaddr = TULIP_MII_NOPHY;
2297 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) {
2299 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0);
2301 if (mi->mi_phyaddr == TULIP_MII_NOPHY) {
2302 device_printf(sc->tulip_dev, "can't find phy 0\n");
2306 sc->tulip_features |= TULIP_HAVE_MII;
2307 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD;
2308 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD;
2309 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD;
2310 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD;
2311 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD);
2312 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX);
2313 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4);
2314 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD);
2315 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET);
2316 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) |
2317 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH);
2319 sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
2324 tulip_identify_compex_nic(tulip_softc_t * const sc)
2326 TULIP_LOCK_ASSERT(sc);
2327 strcpy(sc->tulip_boardid, "COMPEX ");
2328 if (sc->tulip_chipid == TULIP_21140A) {
2330 tulip_softc_t *root_sc = NULL;
2332 strcat(sc->tulip_boardid, "400TX/PCI ");
2334 * All 4 chips on these boards share an interrupt. This code
2335 * copied from tulip_read_macaddr.
2337 sc->tulip_features |= TULIP_HAVE_SHAREDINTR;
2338 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) {
2339 root_sc = tulips[root_unit];
2341 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR))
2346 && root_sc->tulip_chipid == sc->tulip_chipid
2347 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) {
2348 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR;
2349 sc->tulip_slaves = root_sc->tulip_slaves;
2350 root_sc->tulip_slaves = sc;
2351 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) {
2352 printf("\nCannot find master device for %s interrupts",
2353 sc->tulip_ifp->if_xname);
2356 strcat(sc->tulip_boardid, "unknown ");
2358 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */
2363 tulip_srom_decode(tulip_softc_t * const sc)
2365 unsigned idx1, idx2, idx3;
2367 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0];
2368 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1);
2369 tulip_srom_media_t srom_media;
2370 tulip_media_info_t *mi = sc->tulip_mediainfo;
2372 u_int32_t leaf_offset, blocks, data;
2374 TULIP_LOCK_ASSERT(sc);
2375 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) {
2376 if (shp->sh_adapter_count == 1)
2378 if (saip->sai_device == sc->tulip_pci_devno)
2382 * Didn't find the right media block for this card.
2384 if (idx1 == shp->sh_adapter_count)
2388 * Save the hardware address.
2390 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6);
2392 * If this is a multiple port card, add the adapter index to the last
2393 * byte of the hardware address. (if it isn't multiport, adding 0
2396 sc->tulip_enaddr[5] += idx1;
2398 leaf_offset = saip->sai_leaf_offset_lowbyte
2399 + saip->sai_leaf_offset_highbyte * 256;
2400 dp = sc->tulip_rombuf + leaf_offset;
2402 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2;
2404 for (idx2 = 0;; idx2++) {
2405 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype
2406 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED)
2409 sc->tulip_connidx = idx2;
2411 if (sc->tulip_chipid == TULIP_21041) {
2413 for (idx2 = 0; idx2 < blocks; idx2++) {
2414 tulip_media_t media;
2416 srom_media = (tulip_srom_media_t) (data & 0x3F);
2417 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
2418 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
2421 media = tulip_srom_mediums[idx3].sm_type;
2422 if (media != TULIP_MEDIA_UNKNOWN) {
2423 if (data & TULIP_SROM_21041_EXTENDED) {
2424 mi->mi_type = TULIP_MEDIAINFO_SIA;
2425 sc->tulip_mediums[media] = mi;
2426 mi->mi_sia_connectivity = dp[0] + dp[1] * 256;
2427 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256;
2428 mi->mi_sia_general = dp[4] + dp[5] * 256;
2432 case TULIP_MEDIA_BNC: {
2433 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC);
2437 case TULIP_MEDIA_AUI: {
2438 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI);
2442 case TULIP_MEDIA_10BASET: {
2443 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET);
2447 case TULIP_MEDIA_10BASET_FD: {
2448 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD);
2458 if (data & TULIP_SROM_21041_EXTENDED)
2463 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++;
2464 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++;
2465 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++;
2466 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++;
2470 unsigned length, type;
2471 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN;
2472 if (sc->tulip_features & TULIP_HAVE_GPR)
2473 sc->tulip_gpinit = *dp++;
2475 for (idx2 = 0; idx2 < blocks; idx2++) {
2477 if ((*dp & 0x80) == 0) {
2481 length = (*dp++ & 0x7f) - 1;
2482 type = *dp++ & 0x3f;
2485 switch (type & 0x3f) {
2486 case 0: { /* 21140[A] GPR block */
2487 tulip_media_t media;
2488 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f);
2489 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
2490 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
2493 media = tulip_srom_mediums[idx3].sm_type;
2494 if (media == TULIP_MEDIA_UNKNOWN)
2496 mi->mi_type = TULIP_MEDIAINFO_GPR;
2497 sc->tulip_mediums[media] = mi;
2498 mi->mi_gpdata = dp[1];
2499 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) {
2500 sc->tulip_gpdata = mi->mi_gpdata;
2503 data = dp[2] + dp[3] * 256;
2504 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data);
2505 if (data & TULIP_SROM_2114X_NOINDICATOR) {
2509 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0;
2511 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data);
2512 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask;
2517 case 1: { /* 21140[A] MII block */
2518 const unsigned phyno = *dp++;
2519 mi->mi_type = TULIP_MEDIAINFO_MII;
2520 mi->mi_gpr_length = *dp++;
2521 mi->mi_gpr_offset = dp - sc->tulip_rombuf;
2522 dp += mi->mi_gpr_length;
2523 mi->mi_reset_length = *dp++;
2524 mi->mi_reset_offset = dp - sc->tulip_rombuf;
2525 dp += mi->mi_reset_length;
2528 * Before we probe for a PHY, use the GPR information
2529 * to select it. If we don't, it may be inaccessible.
2531 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET);
2532 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) {
2534 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]);
2536 sc->tulip_phyaddr = mi->mi_phyaddr;
2537 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) {
2539 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]);
2543 * At least write something!
2545 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0)
2546 TULIP_CSR_WRITE(sc, csr_gp, 0);
2548 mi->mi_phyaddr = TULIP_MII_NOPHY;
2549 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) {
2551 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno);
2553 if (mi->mi_phyaddr == TULIP_MII_NOPHY) {
2554 #if defined(TULIP_DEBUG)
2555 device_printf(sc->tulip_dev, "can't find phy %d\n",
2560 sc->tulip_features |= TULIP_HAVE_MII;
2561 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2;
2562 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2;
2563 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2;
2564 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2;
2565 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD);
2566 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX);
2567 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4);
2568 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD);
2569 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET);
2570 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) |
2571 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH);
2575 case 2: { /* 2114[23] SIA block */
2576 tulip_media_t media;
2577 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f);
2578 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
2579 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
2582 media = tulip_srom_mediums[idx3].sm_type;
2583 if (media == TULIP_MEDIA_UNKNOWN)
2585 mi->mi_type = TULIP_MEDIAINFO_SIA;
2586 sc->tulip_mediums[media] = mi;
2588 mi->mi_sia_connectivity = dp[1] + dp[2] * 256;
2589 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256;
2590 mi->mi_sia_general = dp[5] + dp[6] * 256;
2594 case TULIP_MEDIA_BNC: {
2595 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC);
2598 case TULIP_MEDIA_AUI: {
2599 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI);
2602 case TULIP_MEDIA_10BASET: {
2603 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET);
2604 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
2607 case TULIP_MEDIA_10BASET_FD: {
2608 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD);
2609 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
2617 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16;
2618 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16;
2623 case 3: { /* 2114[23] MII PHY block */
2624 const unsigned phyno = *dp++;
2625 const u_int8_t *dp0;
2626 mi->mi_type = TULIP_MEDIAINFO_MII;
2627 mi->mi_gpr_length = *dp++;
2628 mi->mi_gpr_offset = dp - sc->tulip_rombuf;
2629 dp += 2 * mi->mi_gpr_length;
2630 mi->mi_reset_length = *dp++;
2631 mi->mi_reset_offset = dp - sc->tulip_rombuf;
2632 dp += 2 * mi->mi_reset_length;
2634 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset];
2635 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) {
2637 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16);
2639 sc->tulip_phyaddr = mi->mi_phyaddr;
2640 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset];
2641 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) {
2643 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16);
2646 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0)
2647 TULIP_CSR_WRITE(sc, csr_sia_general, 0);
2649 mi->mi_phyaddr = TULIP_MII_NOPHY;
2650 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) {
2652 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno);
2654 if (mi->mi_phyaddr == TULIP_MII_NOPHY) {
2655 #if defined(TULIP_DEBUG)
2656 device_printf(sc->tulip_dev, "can't find phy %d\n",
2661 sc->tulip_features |= TULIP_HAVE_MII;
2662 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2;
2663 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2;
2664 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2;
2665 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2;
2666 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2;
2667 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD);
2668 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX);
2669 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4);
2670 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD);
2671 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET);
2672 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) |
2673 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH);
2677 case 4: { /* 21143 SYM block */
2678 tulip_media_t media;
2679 srom_media = (tulip_srom_media_t) dp[0];
2680 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
2681 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
2684 media = tulip_srom_mediums[idx3].sm_type;
2685 if (media == TULIP_MEDIA_UNKNOWN)
2687 mi->mi_type = TULIP_MEDIAINFO_SYM;
2688 sc->tulip_mediums[media] = mi;
2689 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16;
2690 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16;
2691 data = dp[5] + dp[6] * 256;
2692 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data);
2693 if (data & TULIP_SROM_2114X_NOINDICATOR) {
2696 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0;
2697 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data);
2698 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask;
2700 if (TULIP_IS_MEDIA_TP(media))
2701 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
2706 case 5: { /* 21143 Reset block */
2707 mi->mi_type = TULIP_MEDIAINFO_RESET;
2708 mi->mi_reset_length = *dp++;
2709 mi->mi_reset_offset = dp - sc->tulip_rombuf;
2710 dp += 2 * mi->mi_reset_length;
2721 return mi - sc->tulip_mediainfo;
2724 static const struct {
2725 void (*vendor_identify_nic)(tulip_softc_t * const sc);
2726 unsigned char vendor_oui[3];
2727 } tulip_vendors[] = {
2728 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } },
2729 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } },
2730 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } },
2731 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } },
2732 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } },
2733 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } },
2734 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } },
2735 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } },
2736 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } },
2737 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } },
2742 * This deals with the vagaries of the address roms and the
2743 * brain-deadness that various vendors commit in using them.
2746 tulip_read_macaddr(tulip_softc_t * const sc)
2748 unsigned cksum, rom_cksum, idx;
2750 unsigned char tmpbuf[8];
2751 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA };
2753 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX;
2755 if (sc->tulip_chipid == TULIP_21040) {
2756 TULIP_CSR_WRITE(sc, csr_enetrom, 1);
2757 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) {
2759 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000)
2761 sc->tulip_rombuf[idx] = csr & 0xFF;
2763 sc->tulip_boardsw = &tulip_21040_boardsw;
2765 if (sc->tulip_chipid == TULIP_21041) {
2767 * Thankfully all 21041's act the same.
2769 sc->tulip_boardsw = &tulip_21041_boardsw;
2772 * Assume all 21140 board are compatible with the
2773 * DEC 10/100 evaluation board. Not really valid but
2774 * it's the best we can do until every one switches to
2775 * the new SROM format.
2778 sc->tulip_boardsw = &tulip_21140_eb_boardsw;
2780 tulip_srom_read(sc);
2781 if (tulip_srom_crcok(sc->tulip_rombuf)) {
2783 * SROM CRC is valid therefore it must be in the
2786 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM;
2787 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) {
2789 * No checksum is present. See if the SROM id checks out;
2790 * the first 18 bytes should be 0 followed by a 1 followed
2791 * by the number of adapters (which we don't deal with yet).
2793 for (idx = 0; idx < 18; idx++) {
2794 if (sc->tulip_rombuf[idx] != 0)
2797 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0)
2798 sc->tulip_features |= TULIP_HAVE_ISVSROM;
2799 } else if (sc->tulip_chipid >= TULIP_21142) {
2800 sc->tulip_features |= TULIP_HAVE_ISVSROM;
2801 sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
2803 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) {
2804 if (sc->tulip_chipid != TULIP_21041)
2805 sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
2808 * If the SROM specifies more than one adapter, tag this as a
2811 if (sc->tulip_rombuf[19] > 1)
2812 sc->tulip_features |= TULIP_HAVE_BASEROM;
2813 if (sc->tulip_boardsw == NULL)
2820 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) {
2822 * Some folks don't use the standard ethernet rom format
2823 * but instead just put the address in the first 6 bytes
2824 * of the rom and let the rest be all 0xffs. (Can we say
2825 * ZNYX?) (well sometimes they put in a checksum so we'll
2828 for (idx = 8; idx < 32; idx++) {
2829 if (sc->tulip_rombuf[idx] != 0xFF)
2833 * Make sure the address is not multicast or locally assigned
2834 * that the OUI is not 00-00-00.
2836 if ((sc->tulip_rombuf[0] & 3) != 0)
2838 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0
2839 && sc->tulip_rombuf[2] == 0)
2841 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6);
2842 sc->tulip_features |= TULIP_HAVE_OKROM;
2846 * A number of makers of multiport boards (ZNYX and Cogent)
2847 * only put on one address ROM on their 21040 boards. So
2848 * if the ROM is all zeros (or all 0xFFs), look at the
2849 * previous configured boards (as long as they are on the same
2850 * PCI bus and the bus number is non-zero) until we find the
2851 * master board with address ROM. We then use its address ROM
2852 * as the base for this board. (we add our relative board
2853 * to the last byte of its address).
2855 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) {
2856 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF)
2859 if (idx == sizeof(sc->tulip_rombuf)) {
2861 tulip_softc_t *root_sc = NULL;
2862 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) {
2863 root_sc = tulips[root_unit];
2864 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM)
2868 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM)
2869 && root_sc->tulip_chipid == sc->tulip_chipid
2870 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) {
2871 sc->tulip_features |= TULIP_HAVE_SLAVEDROM;
2872 sc->tulip_boardsw = root_sc->tulip_boardsw;
2873 strcpy(sc->tulip_boardid, root_sc->tulip_boardid);
2874 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) {
2875 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf,
2876 sizeof(sc->tulip_rombuf));
2877 if (!tulip_srom_decode(sc))
2880 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6);
2881 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit;
2884 * Now for a truly disgusting kludge: all 4 21040s on
2885 * the ZX314 share the same INTA line so the mapping
2886 * setup by the BIOS on the PCI bridge is worthless.
2887 * Rather than reprogramming the value in the config
2888 * register, we will handle this internally.
2890 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) {
2891 sc->tulip_slaves = root_sc->tulip_slaves;
2892 root_sc->tulip_slaves = sc;
2893 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR;
2901 * This is the standard DEC address ROM test.
2904 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0)
2907 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14];
2908 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12];
2909 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10];
2910 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8];
2911 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0)
2914 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6);
2916 cksum = *(u_int16_t *) &sc->tulip_enaddr[0];
2918 if (cksum > 65535) cksum -= 65535;
2919 cksum += *(u_int16_t *) &sc->tulip_enaddr[2];
2920 if (cksum > 65535) cksum -= 65535;
2922 if (cksum > 65535) cksum -= 65535;
2923 cksum += *(u_int16_t *) &sc->tulip_enaddr[4];
2924 if (cksum >= 65535) cksum -= 65535;
2926 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6];
2928 if (cksum != rom_cksum)
2933 * Check for various boards based on OUI. Did I say braindead?
2935 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) {
2936 if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) {
2937 (*tulip_vendors[idx].vendor_identify_nic)(sc);
2942 sc->tulip_features |= TULIP_HAVE_OKROM;
2947 tulip_ifmedia_add(tulip_softc_t * const sc)
2949 tulip_media_t media;
2952 TULIP_LOCK_ASSERT(sc);
2953 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) {
2954 if (sc->tulip_mediums[media] != NULL) {
2955 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media],
2961 sc->tulip_features |= TULIP_HAVE_NOMEDIA;
2962 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0);
2963 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE);
2964 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) {
2965 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0);
2966 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO);
2968 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]);
2969 sc->tulip_flags |= TULIP_PRINTMEDIA;
2970 tulip_linkup(sc, sc->tulip_media);
2975 tulip_ifmedia_change(struct ifnet * const ifp)
2977 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc;
2980 sc->tulip_flags |= TULIP_NEEDRESET;
2981 sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
2982 sc->tulip_media = TULIP_MEDIA_UNKNOWN;
2983 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) {
2984 tulip_media_t media;
2985 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) {
2986 if (sc->tulip_mediums[media] != NULL
2987 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) {
2988 sc->tulip_flags |= TULIP_PRINTMEDIA;
2989 sc->tulip_flags &= ~TULIP_DIDNWAY;
2990 tulip_linkup(sc, media);
2996 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT);
2998 tulip_init_locked(sc);
3004 * Media status callback
3007 tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req)
3009 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc;
3012 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) {
3017 req->ifm_status = IFM_AVALID;
3018 if (sc->tulip_flags & TULIP_LINKUP)
3019 req->ifm_status |= IFM_ACTIVE;
3021 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media];
3026 tulip_addr_filter(tulip_softc_t * const sc)
3028 struct ifmultiaddr *ifma;
3031 u_int16_t eaddr[ETHER_ADDR_LEN/2];
3034 TULIP_LOCK_ASSERT(sc);
3035 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI);
3036 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART;
3037 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN;
3038 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED;
3039 #if defined(IFF_ALLMULTI)
3040 if (sc->tulip_ifp->if_flags & IFF_ALLMULTI)
3041 sc->tulip_flags |= TULIP_ALLMULTI ;
3045 ifp = sc->tulip_ifp;
3046 if_maddr_rlock(ifp);
3048 /* Copy MAC address on stack to align. */
3049 if (ifp->if_input != NULL)
3050 bcopy(IF_LLADDR(ifp), eaddr, ETHER_ADDR_LEN);
3052 bcopy(sc->tulip_enaddr, eaddr, ETHER_ADDR_LEN);
3054 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
3056 if (ifma->ifma_addr->sa_family == AF_LINK)
3060 if (multicnt > 14) {
3061 u_int32_t *sp = sc->tulip_setupdata;
3064 * Some early passes of the 21140 have broken implementations of
3065 * hash-perfect mode. When we get too many multicasts for perfect
3066 * filtering with these chips, we need to switch into hash-only
3067 * mode (this is better than all-multicast on network with lots
3068 * of multicast traffic).
3070 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH)
3071 sc->tulip_flags |= TULIP_WANTHASHONLY;
3073 sc->tulip_flags |= TULIP_WANTHASHPERFECT;
3075 * If we have more than 14 multicasts, we have
3076 * go into hash perfect mode (512 bit multicast
3077 * hash and one perfect hardware).
3079 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata));
3081 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
3083 if (ifma->ifma_addr->sa_family != AF_LINK)
3086 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr));
3087 sp[hash >> 4] |= htole32(1 << (hash & 0xF));
3090 * No reason to use a hash if we are going to be
3091 * receiving every multicast.
3093 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) {
3094 hash = tulip_mchash(ifp->if_broadcastaddr);
3095 sp[hash >> 4] |= htole32(1 << (hash & 0xF));
3096 if (sc->tulip_flags & TULIP_WANTHASHONLY) {
3097 hash = tulip_mchash((caddr_t)eaddr);
3098 sp[hash >> 4] |= htole32(1 << (hash & 0xF));
3100 sp[39] = TULIP_SP_MAC(eaddr[0]);
3101 sp[40] = TULIP_SP_MAC(eaddr[1]);
3102 sp[41] = TULIP_SP_MAC(eaddr[2]);
3106 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) {
3107 u_int32_t *sp = sc->tulip_setupdata;
3109 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) {
3111 * Else can get perfect filtering for 16 addresses.
3113 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
3114 if (ifma->ifma_addr->sa_family != AF_LINK)
3116 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr);
3117 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[0]);
3118 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[1]);
3119 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[2]);
3123 * Add the broadcast address.
3126 *sp++ = TULIP_SP_MAC(0xFFFF);
3127 *sp++ = TULIP_SP_MAC(0xFFFF);
3128 *sp++ = TULIP_SP_MAC(0xFFFF);
3131 * Pad the rest with our hardware address
3133 for (; idx < 16; idx++) {
3134 *sp++ = TULIP_SP_MAC(eaddr[0]);
3135 *sp++ = TULIP_SP_MAC(eaddr[1]);
3136 *sp++ = TULIP_SP_MAC(eaddr[2]);
3139 if_maddr_runlock(ifp);
3143 tulip_reset(tulip_softc_t * const sc)
3145 tulip_ringinfo_t *ri;
3146 tulip_descinfo_t *di;
3148 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET);
3150 TULIP_LOCK_ASSERT(sc);
3152 CTR1(KTR_TULIP, "tulip_reset: inreset %d", inreset);
3155 * Brilliant. Simply brilliant. When switching modes/speeds
3156 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS
3157 * bits in CSR6 and then do a software reset to get the 21140
3158 * to properly reset its internal pathways to the right places.
3161 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0
3162 && sc->tulip_boardsw->bd_media_preset != NULL)
3163 (*sc->tulip_boardsw->bd_media_preset)(sc);
3165 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
3166 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at
3167 33MHz that comes to two microseconds but wait a
3168 bit longer anyways) */
3171 sc->tulip_flags |= TULIP_INRESET;
3172 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW);
3173 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
3176 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txinfo.ri_dma_addr & 0xffffffff);
3177 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxinfo.ri_dma_addr & 0xffffffff);
3178 TULIP_CSR_WRITE(sc, csr_busmode,
3179 (1 << (3 /*pci_max_burst_len*/ + 8))
3180 |TULIP_BUSMODE_CACHE_ALIGN8
3181 |TULIP_BUSMODE_READMULTIPLE
3182 |(BYTE_ORDER != LITTLE_ENDIAN ?
3183 TULIP_BUSMODE_DESC_BIGENDIAN : 0));
3185 sc->tulip_txtimer = 0;
3187 * Free all the mbufs that were on the transmit ring.
3189 CTR0(KTR_TULIP, "tulip_reset: drain transmit ring");
3190 ri = &sc->tulip_txinfo;
3191 for (di = ri->ri_first; di < ri->ri_last; di++) {
3192 m = tulip_dequeue_mbuf(ri, di, SYNC_NONE);
3195 di->di_desc->d_status = 0;
3198 ri->ri_nextin = ri->ri_nextout = ri->ri_first;
3199 ri->ri_free = ri->ri_max;
3200 TULIP_TXDESC_PRESYNC(ri);
3203 * We need to collect all the mbufs that were on the
3204 * receive ring before we reinit it either to put
3205 * them back on or to know if we have to allocate
3208 CTR0(KTR_TULIP, "tulip_reset: drain receive ring");
3209 ri = &sc->tulip_rxinfo;
3210 ri->ri_nextin = ri->ri_nextout = ri->ri_first;
3211 ri->ri_free = ri->ri_max;
3212 for (di = ri->ri_first; di < ri->ri_last; di++) {
3213 di->di_desc->d_status = 0;
3214 di->di_desc->d_length1 = 0; di->di_desc->d_addr1 = 0;
3215 di->di_desc->d_length2 = 0; di->di_desc->d_addr2 = 0;
3217 TULIP_RXDESC_PRESYNC(ri);
3218 for (di = ri->ri_first; di < ri->ri_last; di++) {
3219 m = tulip_dequeue_mbuf(ri, di, SYNC_NONE);
3225 * If tulip_reset is being called recursively, exit quickly knowing
3226 * that when the outer tulip_reset returns all the right stuff will
3232 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR
3233 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED
3234 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE
3235 |TULIP_STS_RXSTOPPED;
3237 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0)
3238 (*sc->tulip_boardsw->bd_media_select)(sc);
3239 #if defined(TULIP_DEBUG)
3240 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET)
3241 device_printf(sc->tulip_dev,
3242 "tulip_reset: additional reset needed?!?\n");
3245 tulip_media_print(sc);
3246 if (sc->tulip_features & TULIP_HAVE_DUALSENSE)
3247 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status));
3249 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET
3255 tulip_init(void *arg)
3257 tulip_softc_t *sc = (tulip_softc_t *)arg;
3260 tulip_init_locked(sc);
3265 tulip_init_locked(tulip_softc_t * const sc)
3267 CTR0(KTR_TULIP, "tulip_init_locked");
3268 if (sc->tulip_ifp->if_flags & IFF_UP) {
3269 if ((sc->tulip_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
3270 /* initialize the media */
3271 CTR0(KTR_TULIP, "tulip_init_locked: up but not running, reset chip");
3274 tulip_addr_filter(sc);
3275 sc->tulip_ifp->if_drv_flags |= IFF_DRV_RUNNING;
3276 if (sc->tulip_ifp->if_flags & IFF_PROMISC) {
3277 sc->tulip_flags |= TULIP_PROMISC;
3278 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS;
3279 sc->tulip_intrmask |= TULIP_STS_TXINTR;
3281 sc->tulip_flags &= ~TULIP_PROMISC;
3282 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS;
3283 if (sc->tulip_flags & TULIP_ALLMULTI) {
3284 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI;
3286 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI;
3289 sc->tulip_cmdmode |= TULIP_CMD_TXRUN;
3290 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) {
3292 sc->tulip_cmdmode |= TULIP_CMD_RXRUN;
3293 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED;
3295 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE;
3296 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN;
3297 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED;
3299 CTR2(KTR_TULIP, "tulip_init_locked: intr mask %08x cmdmode %08x",
3300 sc->tulip_intrmask, sc->tulip_cmdmode);
3301 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
3302 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
3303 CTR1(KTR_TULIP, "tulip_init_locked: status %08x\n",
3304 TULIP_CSR_READ(sc, csr_status));
3305 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP)
3306 tulip_txput_setup(sc);
3307 callout_reset(&sc->tulip_stat_timer, hz, tulip_watchdog, sc);
3309 CTR0(KTR_TULIP, "tulip_init_locked: not up, reset chip");
3310 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
3312 tulip_addr_filter(sc);
3313 callout_stop(&sc->tulip_stat_timer);
3317 #define DESC_STATUS(di) (((volatile tulip_desc_t *)((di)->di_desc))->d_status)
3318 #define DESC_FLAG(di) ((di)->di_desc->d_flag)
3321 tulip_rx_intr(tulip_softc_t * const sc)
3323 TULIP_PERFSTART(rxintr)
3324 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo;
3325 struct ifnet * const ifp = sc->tulip_ifp;
3327 #if defined(TULIP_DEBUG)
3331 TULIP_LOCK_ASSERT(sc);
3332 CTR0(KTR_TULIP, "tulip_rx_intr: start");
3334 TULIP_PERFSTART(rxget)
3335 tulip_descinfo_t *eop = ri->ri_nextin, *dip;
3336 int total_len = 0, last_offset = 0;
3337 struct mbuf *ms = NULL, *me = NULL;
3341 if (fillok && (ri->ri_max - ri->ri_free) < TULIP_RXQ_TARGET)
3344 #if defined(TULIP_DEBUG)
3345 if (cnt == ri->ri_max)
3349 * If the TULIP has no descriptors, there can't be any receive
3350 * descriptors to process.
3352 if (eop == ri->ri_nextout)
3356 * 90% of the packets will fit in one descriptor. So we optimize
3359 TULIP_RXDESC_POSTSYNC(ri);
3360 if ((DESC_STATUS(eop) & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) {
3361 ms = tulip_dequeue_mbuf(ri, eop, SYNC_RX);
3363 "tulip_rx_intr: single packet mbuf %p from descriptor %td", ms,
3364 eop - ri->ri_first);
3369 * If still owned by the TULIP, don't touch it.
3371 if (DESC_STATUS(eop) & TULIP_DSTS_OWNER)
3375 * It is possible (though improbable unless MCLBYTES < 1518) for
3376 * a received packet to cross more than one receive descriptor.
3377 * We first loop through the descriptor ring making sure we have
3378 * received a complete packet. If not, we bail until the next
3382 while ((DESC_STATUS(eop) & TULIP_DSTS_RxLASTDESC) == 0) {
3383 if (++eop == ri->ri_last)
3385 TULIP_RXDESC_POSTSYNC(ri);
3386 if (eop == ri->ri_nextout || DESC_STATUS(eop) & TULIP_DSTS_OWNER) {
3387 #if defined(TULIP_DEBUG)
3388 sc->tulip_dbg.dbg_rxintrs++;
3389 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++;
3391 TULIP_PERFEND(rxget);
3392 TULIP_PERFEND(rxintr);
3399 * Dequeue the first buffer for the start of the packet. Hopefully
3400 * this will be the only one we need to dequeue. However, if the
3401 * packet consumed multiple descriptors, then we need to dequeue
3402 * those buffers and chain to the starting mbuf. All buffers but
3403 * the last buffer have the same length so we can set that now.
3404 * (we add to last_offset instead of multiplying since we normally
3405 * won't go into the loop and thereby saving ourselves from
3406 * doing a multiplication by 0 in the normal case).
3408 ms = tulip_dequeue_mbuf(ri, dip, SYNC_RX);
3410 "tulip_rx_intr: start packet mbuf %p from descriptor %td", ms,
3411 dip - ri->ri_first);
3413 for (me = ms; total_len > 0; total_len--) {
3414 me->m_len = TULIP_RX_BUFLEN;
3415 last_offset += TULIP_RX_BUFLEN;
3416 if (++dip == ri->ri_last)
3418 me->m_next = tulip_dequeue_mbuf(ri, dip, SYNC_RX);
3422 "tulip_rx_intr: cont packet mbuf %p from descriptor %td",
3423 me, dip - ri->ri_first);
3425 KASSERT(dip == eop, ("mismatched descinfo structs"));
3429 * Now get the size of received packet (minus the CRC).
3431 total_len = ((DESC_STATUS(eop) >> 16) & 0x7FFF) - ETHER_CRC_LEN;
3432 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0
3433 && ((DESC_STATUS(eop) & TULIP_DSTS_ERRSUM) == 0)) {
3434 me->m_len = total_len - last_offset;
3435 sc->tulip_flags |= TULIP_RXACT;
3437 CTR1(KTR_TULIP, "tulip_rx_intr: good packet; length %d",
3440 CTR1(KTR_TULIP, "tulip_rx_intr: bad packet; status %08x",
3442 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
3443 if (DESC_STATUS(eop) & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) {
3444 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++;
3446 #if defined(TULIP_VERBOSE)
3447 const char *error = NULL;
3449 if (DESC_STATUS(eop) & TULIP_DSTS_RxTOOLONG) {
3450 sc->tulip_dot3stats.dot3StatsFrameTooLongs++;
3451 #if defined(TULIP_VERBOSE)
3452 error = "frame too long";
3455 if (DESC_STATUS(eop) & TULIP_DSTS_RxBADCRC) {
3456 if (DESC_STATUS(eop) & TULIP_DSTS_RxDRBBLBIT) {
3457 sc->tulip_dot3stats.dot3StatsAlignmentErrors++;
3458 #if defined(TULIP_VERBOSE)
3459 error = "alignment error";
3462 sc->tulip_dot3stats.dot3StatsFCSErrors++;
3463 #if defined(TULIP_VERBOSE)
3468 #if defined(TULIP_VERBOSE)
3469 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) {
3470 device_printf(sc->tulip_dev, "receive: %6D: %s\n",
3471 mtod(ms, u_char *) + 6, ":",
3473 sc->tulip_flags |= TULIP_NOMESSAGES;
3479 #if defined(TULIP_DEBUG)
3482 if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1);
3483 if (++eop == ri->ri_last)
3485 ri->ri_nextin = eop;
3488 * We have received a good packet that needs to be passed up the
3494 KASSERT(ms != NULL, ("no packet to accept"));
3495 #ifndef __NO_STRICT_ALIGNMENT
3497 * Copy the data into a new mbuf that is properly aligned. If
3498 * we fail to allocate a new mbuf, then drop the packet. We will
3499 * reuse the same rx buffer ('ms') below for another packet
3502 m0 = m_devget(mtod(ms, caddr_t), total_len, ETHER_ALIGN, ifp, NULL);
3504 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
3509 * Update the header for the mbuf referencing this receive
3510 * buffer and pass it up the stack. Allocate a new mbuf cluster
3511 * to replace the one we just passed up the stack.
3513 * Note that if this packet crossed multiple descriptors
3514 * we don't even try to reallocate all the mbufs here.
3515 * Instead we rely on the test at the beginning of
3516 * the loop to refill for the extra consumed mbufs.
3518 ms->m_pkthdr.len = total_len;
3519 ms->m_pkthdr.rcvif = ifp;
3521 ms = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
3524 CTR1(KTR_TULIP, "tulip_rx_intr: passing %p to upper layer", m0);
3525 (*ifp->if_input)(ifp, m0);
3527 } else if (ms == NULL)
3529 * If we are priming the TULIP with mbufs, then allocate
3530 * a new cluster for the next descriptor.
3532 ms = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
3534 #ifndef __NO_STRICT_ALIGNMENT
3539 * Couldn't allocate a new buffer. Don't bother
3540 * trying to replenish the receive queue.
3543 sc->tulip_flags |= TULIP_RXBUFSLOW;
3544 #if defined(TULIP_DEBUG)
3545 sc->tulip_dbg.dbg_rxlowbufs++;
3547 TULIP_PERFEND(rxget);
3551 * Now give the buffer(s) to the TULIP and save in our
3555 tulip_descinfo_t * const nextout = ri->ri_nextout;
3558 KASSERT(ms->m_data == ms->m_ext.ext_buf,
3559 ("rx mbuf data doesn't point to cluster"));
3560 ms->m_len = ms->m_pkthdr.len = TULIP_RX_BUFLEN;
3561 error = bus_dmamap_load_mbuf(ri->ri_data_tag, *nextout->di_map, ms,
3562 tulip_dma_map_rxbuf, nextout->di_desc, BUS_DMA_NOWAIT);
3564 device_printf(sc->tulip_dev,
3565 "unable to load rx map, error = %d\n", error);
3566 panic("tulip_rx_intr"); /* XXX */
3568 nextout->di_desc->d_status = TULIP_DSTS_OWNER;
3569 KASSERT(nextout->di_mbuf == NULL, ("clobbering earlier rx mbuf"));
3570 nextout->di_mbuf = ms;
3571 CTR2(KTR_TULIP, "tulip_rx_intr: enqueued mbuf %p to descriptor %td",
3572 ms, nextout - ri->ri_first);
3573 TULIP_RXDESC_POSTSYNC(ri);
3574 if (++ri->ri_nextout == ri->ri_last)
3575 ri->ri_nextout = ri->ri_first;
3579 } while ((ms = me) != NULL);
3581 if ((ri->ri_max - ri->ri_free) >= TULIP_RXQ_TARGET)
3582 sc->tulip_flags &= ~TULIP_RXBUFSLOW;
3583 TULIP_PERFEND(rxget);
3586 #if defined(TULIP_DEBUG)
3587 sc->tulip_dbg.dbg_rxintrs++;
3588 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++;
3590 TULIP_PERFEND(rxintr);
3594 tulip_tx_intr(tulip_softc_t * const sc)
3596 TULIP_PERFSTART(txintr)
3597 tulip_ringinfo_t * const ri = &sc->tulip_txinfo;
3602 CTR0(KTR_TULIP, "tulip_tx_intr: start");
3603 TULIP_LOCK_ASSERT(sc);
3604 while (ri->ri_free < ri->ri_max) {
3607 TULIP_TXDESC_POSTSYNC(ri);
3608 if (DESC_STATUS(ri->ri_nextin) & TULIP_DSTS_OWNER)
3613 d_flag = DESC_FLAG(ri->ri_nextin);
3614 if (d_flag & TULIP_DFLAG_TxLASTSEG) {
3615 if (d_flag & TULIP_DFLAG_TxSETUPPKT) {
3617 "tulip_tx_intr: setup packet from descriptor %td: %08x",
3618 ri->ri_nextin - ri->ri_first, DESC_STATUS(ri->ri_nextin));
3620 * We've just finished processing a setup packet.
3621 * Mark that we finished it. If there's not
3622 * another pending, startup the TULIP receiver.
3623 * Make sure we ack the RXSTOPPED so we won't get
3624 * an abormal interrupt indication.
3626 bus_dmamap_sync(sc->tulip_setup_tag, sc->tulip_setup_map,
3627 BUS_DMASYNC_POSTWRITE);
3628 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY);
3629 if (DESC_FLAG(ri->ri_nextin) & TULIP_DFLAG_TxINVRSFILT)
3630 sc->tulip_flags |= TULIP_HASHONLY;
3631 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) {
3633 sc->tulip_cmdmode |= TULIP_CMD_RXRUN;
3634 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED;
3636 "tulip_tx_intr: intr mask %08x cmdmode %08x",
3637 sc->tulip_intrmask, sc->tulip_cmdmode);
3638 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED);
3639 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
3640 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
3643 const u_int32_t d_status = DESC_STATUS(ri->ri_nextin);
3645 m = tulip_dequeue_mbuf(ri, ri->ri_nextin, SYNC_TX);
3647 "tulip_tx_intr: data packet %p from descriptor %td", m,
3648 ri->ri_nextin - ri->ri_first);
3651 #if defined(TULIP_DEBUG)
3653 device_printf(sc->tulip_dev,
3654 "tx_intr: failed to dequeue mbuf?!?\n");
3657 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) {
3658 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK;
3659 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) {
3660 #if defined(TULIP_DEBUG)
3661 if (d_status & TULIP_DSTS_TxNOCARR)
3662 sc->tulip_dbg.dbg_txprobe_nocarr++;
3663 if (d_status & TULIP_DSTS_TxEXCCOLL)
3664 sc->tulip_dbg.dbg_txprobe_exccoll++;
3666 event = TULIP_MEDIAPOLL_TXPROBE_FAILED;
3668 (*sc->tulip_boardsw->bd_media_poll)(sc, event);
3670 * Escape from the loop before media poll has reset the TULIP!
3675 if (d_status & TULIP_DSTS_ERRSUM) {
3676 CTR1(KTR_TULIP, "tulip_tx_intr: output error: %08x",
3678 if_inc_counter(sc->tulip_ifp, IFCOUNTER_OERRORS, 1);
3679 if (d_status & TULIP_DSTS_TxEXCCOLL)
3680 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++;
3681 if (d_status & TULIP_DSTS_TxLATECOLL)
3682 sc->tulip_dot3stats.dot3StatsLateCollisions++;
3683 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS))
3684 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++;
3685 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE))
3686 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++;
3687 if (d_status & TULIP_DSTS_TxUNDERFLOW)
3688 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++;
3689 if (d_status & TULIP_DSTS_TxBABBLE)
3690 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++;
3692 u_int32_t collisions =
3693 (d_status & TULIP_DSTS_TxCOLLMASK)
3694 >> TULIP_DSTS_V_TxCOLLCNT;
3697 "tulip_tx_intr: output ok, collisions %d, status %08x",
3698 collisions, d_status);
3699 if_inc_counter(sc->tulip_ifp, IFCOUNTER_COLLISIONS, collisions);
3700 if (collisions == 1)
3701 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++;
3702 else if (collisions > 1)
3703 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++;
3704 else if (d_status & TULIP_DSTS_TxDEFERRED)
3705 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++;
3707 * SQE is only valid for 10baseT/BNC/AUI when not
3708 * running in full-duplex. In order to speed up the
3709 * test, the corresponding bit in tulip_flags needs to
3710 * set as well to get us to count SQE Test Errors.
3712 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags)
3713 sc->tulip_dot3stats.dot3StatsSQETestErrors++;
3719 if (++ri->ri_nextin == ri->ri_last)
3720 ri->ri_nextin = ri->ri_first;
3722 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0)
3723 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
3726 * If nothing left to transmit, disable the timer.
3727 * Else if progress, reset the timer back to 2 ticks.
3729 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE))
3730 sc->tulip_txtimer = 0;
3732 sc->tulip_txtimer = TULIP_TXTIMER;
3733 if_inc_counter(sc->tulip_ifp, IFCOUNTER_OPACKETS, xmits);
3734 TULIP_PERFEND(txintr);
3739 tulip_print_abnormal_interrupt(tulip_softc_t * const sc, u_int32_t csr)
3741 const char * const *msgp = tulip_status_bits;
3744 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024";
3746 TULIP_LOCK_ASSERT(sc);
3747 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1;
3748 device_printf(sc->tulip_dev, "abnormal interrupt:");
3749 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) {
3750 if ((csr & mask) && *msgp != NULL) {
3751 printf("%s%s", sep, *msgp);
3752 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) {
3753 sc->tulip_flags &= ~TULIP_NEWTXTHRESH;
3754 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) {
3755 printf(" (switching to store-and-forward mode)");
3757 printf(" (raising TX threshold to %s)",
3758 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]);
3768 tulip_intr_handler(tulip_softc_t * const sc)
3770 TULIP_PERFSTART(intr)
3773 CTR0(KTR_TULIP, "tulip_intr_handler invoked");
3774 TULIP_LOCK_ASSERT(sc);
3775 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) {
3776 TULIP_CSR_WRITE(sc, csr_status, csr);
3778 if (csr & TULIP_STS_SYSERROR) {
3779 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT;
3780 if (sc->tulip_flags & TULIP_NOMESSAGES) {
3781 sc->tulip_flags |= TULIP_SYSTEMERROR;
3783 device_printf(sc->tulip_dev, "system error: %s\n",
3784 tulip_system_errors[sc->tulip_last_system_error]);
3786 sc->tulip_flags |= TULIP_NEEDRESET;
3787 sc->tulip_system_errors++;
3790 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) {
3791 #if defined(TULIP_DEBUG)
3792 sc->tulip_dbg.dbg_link_intrs++;
3794 if (sc->tulip_boardsw->bd_media_poll != NULL) {
3795 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL
3796 ? TULIP_MEDIAPOLL_LINKFAIL
3797 : TULIP_MEDIAPOLL_LINKPASS);
3798 csr &= ~TULIP_STS_ABNRMLINTR;
3800 tulip_media_print(sc);
3802 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) {
3803 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames);
3804 if (csr & TULIP_STS_RXNOBUF)
3805 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF;
3807 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data
3808 * on receive overflows.
3810 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) {
3811 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++;
3813 * Stop the receiver process and spin until it's stopped.
3814 * Tell rx_intr to drop the packets it dequeues.
3816 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN);
3817 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0)
3819 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED);
3820 sc->tulip_flags |= TULIP_RXIGNORE;
3823 if (sc->tulip_flags & TULIP_RXIGNORE) {
3825 * Restart the receiver.
3827 sc->tulip_flags &= ~TULIP_RXIGNORE;
3828 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
3831 if (csr & TULIP_STS_ABNRMLINTR) {
3832 u_int32_t tmp = csr & sc->tulip_intrmask
3833 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR);
3834 if (csr & TULIP_STS_TXUNDERFLOW) {
3835 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) {
3836 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96;
3837 sc->tulip_flags |= TULIP_NEWTXTHRESH;
3838 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) {
3839 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD;
3840 sc->tulip_flags |= TULIP_NEWTXTHRESH;
3843 if (sc->tulip_flags & TULIP_NOMESSAGES) {
3844 sc->tulip_statusbits |= tmp;
3846 tulip_print_abnormal_interrupt(sc, tmp);
3847 sc->tulip_flags |= TULIP_NOMESSAGES;
3849 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
3851 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) {
3853 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0)
3854 tulip_start_locked(sc);
3857 if (sc->tulip_flags & TULIP_NEEDRESET) {
3859 tulip_init_locked(sc);
3861 TULIP_PERFEND(intr);
3865 tulip_intr_shared(void *arg)
3867 tulip_softc_t * sc = arg;
3869 for (; sc != NULL; sc = sc->tulip_slaves) {
3871 #if defined(TULIP_DEBUG)
3872 sc->tulip_dbg.dbg_intrs++;
3874 tulip_intr_handler(sc);
3880 tulip_intr_normal(void *arg)
3882 tulip_softc_t * sc = (tulip_softc_t *) arg;
3885 #if defined(TULIP_DEBUG)
3886 sc->tulip_dbg.dbg_intrs++;
3888 tulip_intr_handler(sc);
3892 static struct mbuf *
3893 tulip_txput(tulip_softc_t * const sc, struct mbuf *m)
3895 TULIP_PERFSTART(txput)
3896 tulip_ringinfo_t * const ri = &sc->tulip_txinfo;
3897 tulip_descinfo_t *eop, *nextout;
3900 bus_dma_segment_t segs[TULIP_MAX_TXSEG];
3905 TULIP_LOCK_ASSERT(sc);
3906 #if defined(TULIP_DEBUG)
3907 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) {
3908 device_printf(sc->tulip_dev, "txput%s: tx not running\n",
3909 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : "");
3910 sc->tulip_flags |= TULIP_WANTTXSTART;
3911 sc->tulip_dbg.dbg_txput_finishes[0]++;
3917 * Now we try to fill in our transmit descriptors. This is
3918 * a bit reminiscent of going on the Ark two by two
3919 * since each descriptor for the TULIP can describe
3920 * two buffers. So we advance through packet filling
3921 * each of the two entries at a time to to fill each
3922 * descriptor. Clear the first and last segment bits
3923 * in each descriptor (actually just clear everything
3924 * but the end-of-ring or chain bits) to make sure
3925 * we don't get messed up by previously sent packets.
3927 * We may fail to put the entire packet on the ring if
3928 * there is either not enough ring entries free or if the
3929 * packet has more than MAX_TXSEG segments. In the former
3930 * case we will just wait for the ring to empty. In the
3931 * latter case we have to recopy.
3933 #if defined(KTR) && KTR_TULIP
3936 while (m0->m_next != NULL) {
3941 CTR2(KTR_TULIP, "tulip_txput: sending packet %p (%d chunks)", m, segcnt);
3943 eop = nextout = ri->ri_nextout;
3948 * Reclaim some tx descriptors if we are out since we need at least one
3949 * free descriptor so that we have a dma_map to load the mbuf.
3952 #if defined(TULIP_DEBUG)
3953 sc->tulip_dbg.dbg_no_txmaps++;
3955 free += tulip_tx_intr(sc);
3958 sc->tulip_flags |= TULIP_WANTTXSTART;
3959 #if defined(TULIP_DEBUG)
3960 sc->tulip_dbg.dbg_txput_finishes[1]++;
3964 error = bus_dmamap_load_mbuf_sg(ri->ri_data_tag, *eop->di_map, m, segs,
3965 &nsegs, BUS_DMA_NOWAIT);
3967 if (error == EFBIG) {
3969 * The packet exceeds the number of transmit buffer
3970 * entries that we can use for one packet, so we have
3971 * to recopy it into one mbuf and then try again. If
3972 * we can't recopy it, try again later.
3974 m0 = m_defrag(m, M_NOWAIT);
3976 sc->tulip_flags |= TULIP_WANTTXSTART;
3977 #if defined(TULIP_DEBUG)
3978 sc->tulip_dbg.dbg_txput_finishes[2]++;
3983 error = bus_dmamap_load_mbuf_sg(ri->ri_data_tag, *eop->di_map, m,
3984 segs, &nsegs, BUS_DMA_NOWAIT);
3987 device_printf(sc->tulip_dev,
3988 "unable to load tx map, error = %d\n", error);
3989 #if defined(TULIP_DEBUG)
3990 sc->tulip_dbg.dbg_txput_finishes[3]++;
3995 CTR1(KTR_TULIP, "tulip_txput: nsegs %d", nsegs);
3998 * Each descriptor allows for up to 2 fragments since we don't use
3999 * the descriptor chaining mode in this driver.
4001 if ((free -= (nsegs + 1) / 2) <= 0
4003 * See if there's any unclaimed space in the transmit ring.
4005 && (free += tulip_tx_intr(sc)) <= 0) {
4007 * There's no more room but since nothing
4008 * has been committed at this point, just
4009 * show output is active, put back the
4012 sc->tulip_flags |= TULIP_WANTTXSTART;
4013 #if defined(TULIP_DEBUG)
4014 sc->tulip_dbg.dbg_txput_finishes[4]++;
4016 bus_dmamap_unload(ri->ri_data_tag, *eop->di_map);
4019 for (; nsegs - segcnt > 1; segcnt += 2) {
4021 eop->di_desc->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN;
4022 eop->di_desc->d_status = d_status;
4023 eop->di_desc->d_addr1 = segs[segcnt].ds_addr & 0xffffffff;
4024 eop->di_desc->d_length1 = segs[segcnt].ds_len;
4025 eop->di_desc->d_addr2 = segs[segcnt+1].ds_addr & 0xffffffff;
4026 eop->di_desc->d_length2 = segs[segcnt+1].ds_len;
4027 d_status = TULIP_DSTS_OWNER;
4028 if (++nextout == ri->ri_last)
4029 nextout = ri->ri_first;
4031 if (segcnt < nsegs) {
4033 eop->di_desc->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN;
4034 eop->di_desc->d_status = d_status;
4035 eop->di_desc->d_addr1 = segs[segcnt].ds_addr & 0xffffffff;
4036 eop->di_desc->d_length1 = segs[segcnt].ds_len;
4037 eop->di_desc->d_addr2 = 0;
4038 eop->di_desc->d_length2 = 0;
4039 if (++nextout == ri->ri_last)
4040 nextout = ri->ri_first;
4044 * tulip_tx_intr() harvests the mbuf from the last descriptor in the
4045 * frame. We just used the dmamap in the first descriptor for the
4046 * load operation however. Thus, to let the tulip_dequeue_mbuf() call
4047 * in tulip_tx_intr() unload the correct dmamap, we swap the dmamap
4048 * pointers in the two descriptors if this is a multiple-descriptor
4051 if (eop != ri->ri_nextout) {
4053 eop->di_map = ri->ri_nextout->di_map;
4054 ri->ri_nextout->di_map = map;
4058 * bounce a copy to the bpf listener, if any.
4060 if (!(sc->tulip_flags & TULIP_DEVICEPROBE))
4061 BPF_MTAP(sc->tulip_ifp, m);
4064 * The descriptors have been filled in. Now get ready
4067 CTR3(KTR_TULIP, "tulip_txput: enqueued mbuf %p to descriptors %td - %td",
4068 m, ri->ri_nextout - ri->ri_first, eop - ri->ri_first);
4069 KASSERT(eop->di_mbuf == NULL, ("clobbering earlier tx mbuf"));
4071 TULIP_TXMAP_PRESYNC(ri, ri->ri_nextout);
4075 * Make sure the next descriptor after this packet is owned
4076 * by us since it may have been set up above if we ran out
4077 * of room in the ring.
4079 nextout->di_desc->d_status = 0;
4080 TULIP_TXDESC_PRESYNC(ri);
4083 * Mark the last and first segments, indicate we want a transmit
4084 * complete interrupt, and tell it to transmit!
4086 eop->di_desc->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR;
4089 * Note that ri->ri_nextout is still the start of the packet
4090 * and until we set the OWNER bit, we can still back out of
4091 * everything we have done.
4093 ri->ri_nextout->di_desc->d_flag |= TULIP_DFLAG_TxFIRSTSEG;
4094 TULIP_TXDESC_PRESYNC(ri);
4095 ri->ri_nextout->di_desc->d_status = TULIP_DSTS_OWNER;
4096 TULIP_TXDESC_PRESYNC(ri);
4099 * This advances the ring for us.
4101 ri->ri_nextout = nextout;
4104 TULIP_PERFEND(txput);
4106 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) {
4107 TULIP_CSR_WRITE(sc, csr_txpoll, 1);
4108 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE;
4109 TULIP_PERFEND(txput);
4114 * switch back to the single queueing ifstart.
4116 sc->tulip_flags &= ~TULIP_WANTTXSTART;
4117 if (sc->tulip_txtimer == 0)
4118 sc->tulip_txtimer = TULIP_TXTIMER;
4119 #if defined(TULIP_DEBUG)
4120 sc->tulip_dbg.dbg_txput_finishes[5]++;
4124 * If we want a txstart, there must be not enough space in the
4125 * transmit ring. So we want to enable transmit done interrupts
4126 * so we can immediately reclaim some space. When the transmit
4127 * interrupt is posted, the interrupt handler will call tx_intr
4128 * to reclaim space and then txstart (since WANTTXSTART is set).
4129 * txstart will move the packet into the transmit ring and clear
4130 * WANTTXSTART thereby causing TXINTR to be cleared.
4133 #if defined(TULIP_DEBUG)
4134 sc->tulip_dbg.dbg_txput_finishes[6]++;
4136 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) {
4137 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE;
4138 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) {
4139 sc->tulip_intrmask |= TULIP_STS_TXINTR;
4140 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
4142 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) {
4143 if (sc->tulip_intrmask & TULIP_STS_TXINTR) {
4144 sc->tulip_intrmask &= ~TULIP_STS_TXINTR;
4145 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
4148 TULIP_CSR_WRITE(sc, csr_txpoll, 1);
4149 TULIP_PERFEND(txput);
4154 tulip_txput_setup(tulip_softc_t * const sc)
4156 tulip_ringinfo_t * const ri = &sc->tulip_txinfo;
4157 tulip_desc_t *nextout;
4159 TULIP_LOCK_ASSERT(sc);
4162 * We will transmit, at most, one setup packet per call to ifstart.
4165 #if defined(TULIP_DEBUG)
4166 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) {
4167 device_printf(sc->tulip_dev, "txput_setup: tx not running\n");
4168 sc->tulip_flags |= TULIP_WANTTXSTART;
4173 * Try to reclaim some free descriptors..
4175 if (ri->ri_free < 2)
4177 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) {
4178 sc->tulip_flags |= TULIP_WANTTXSTART;
4181 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf,
4182 sizeof(sc->tulip_setupdata));
4184 * Clear WANTSETUP and set DOINGSETUP. Since we know that WANTSETUP is
4185 * set and DOINGSETUP is clear doing an XOR of the two will DTRT.
4187 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP;
4189 nextout = ri->ri_nextout->di_desc;
4190 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN;
4191 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG
4192 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR;
4193 if (sc->tulip_flags & TULIP_WANTHASHPERFECT)
4194 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT;
4195 else if (sc->tulip_flags & TULIP_WANTHASHONLY)
4196 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT;
4198 nextout->d_length2 = 0;
4199 nextout->d_addr2 = 0;
4200 nextout->d_length1 = sizeof(sc->tulip_setupdata);
4201 nextout->d_addr1 = sc->tulip_setup_dma_addr & 0xffffffff;
4202 bus_dmamap_sync(sc->tulip_setup_tag, sc->tulip_setup_map,
4203 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
4204 TULIP_TXDESC_PRESYNC(ri);
4205 CTR1(KTR_TULIP, "tulip_txput_setup: using descriptor %td",
4206 ri->ri_nextout - ri->ri_first);
4209 * Advance the ring for the next transmit packet.
4211 if (++ri->ri_nextout == ri->ri_last)
4212 ri->ri_nextout = ri->ri_first;
4215 * Make sure the next descriptor is owned by us since it
4216 * may have been set up above if we ran out of room in the
4219 ri->ri_nextout->di_desc->d_status = 0;
4220 TULIP_TXDESC_PRESYNC(ri);
4221 nextout->d_status = TULIP_DSTS_OWNER;
4223 * Flush the ownwership of the current descriptor
4225 TULIP_TXDESC_PRESYNC(ri);
4226 TULIP_CSR_WRITE(sc, csr_txpoll, 1);
4227 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) {
4228 sc->tulip_intrmask |= TULIP_STS_TXINTR;
4229 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
4234 tulip_ifioctl(struct ifnet * ifp, u_long cmd, caddr_t data)
4236 TULIP_PERFSTART(ifioctl)
4237 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc;
4238 struct ifreq *ifr = (struct ifreq *) data;
4242 case SIOCSIFFLAGS: {
4244 tulip_init_locked(sc);
4250 case SIOCGIFMEDIA: {
4251 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd);
4256 case SIOCDELMULTI: {
4258 * Update multicast listeners
4261 tulip_init_locked(sc);
4268 case SIOCGADDRROM: {
4269 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf));
4275 ifr->ifr_metric = (int) sc->tulip_chipid;
4280 error = ether_ioctl(ifp, cmd, data);
4285 TULIP_PERFEND(ifioctl);
4290 tulip_start(struct ifnet * const ifp)
4292 TULIP_PERFSTART(ifstart)
4293 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc;
4296 tulip_start_locked(sc);
4299 TULIP_PERFEND(ifstart);
4303 tulip_start_locked(tulip_softc_t * const sc)
4307 TULIP_LOCK_ASSERT(sc);
4309 CTR0(KTR_TULIP, "tulip_start_locked invoked");
4310 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP)
4311 tulip_txput_setup(sc);
4313 CTR1(KTR_TULIP, "tulip_start_locked: %d tx packets pending",
4314 sc->tulip_ifp->if_snd.ifq_len);
4315 while (!IFQ_DRV_IS_EMPTY(&sc->tulip_ifp->if_snd)) {
4316 IFQ_DRV_DEQUEUE(&sc->tulip_ifp->if_snd, m);
4319 if ((m = tulip_txput(sc, m)) != NULL) {
4320 IFQ_DRV_PREPEND(&sc->tulip_ifp->if_snd, m);
4327 tulip_watchdog(void *arg)
4329 TULIP_PERFSTART(stat)
4330 tulip_softc_t *sc = arg;
4331 #if defined(TULIP_DEBUG)
4335 TULIP_LOCK_ASSERT(sc);
4336 callout_reset(&sc->tulip_stat_timer, hz, tulip_watchdog, sc);
4337 #if defined(TULIP_DEBUG)
4338 rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs;
4339 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz)
4340 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs;
4341 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs;
4342 #endif /* TULIP_DEBUG */
4345 * These should be rare so do a bulk test up front so we can just skip
4348 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) {
4350 * If the number of receive buffer is low, try to refill
4352 if (sc->tulip_flags & TULIP_RXBUFSLOW)
4355 if (sc->tulip_flags & TULIP_SYSTEMERROR) {
4356 if_printf(sc->tulip_ifp, "%d system errors: last was %s\n",
4357 sc->tulip_system_errors,
4358 tulip_system_errors[sc->tulip_last_system_error]);
4360 if (sc->tulip_statusbits) {
4361 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits);
4362 sc->tulip_statusbits = 0;
4365 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR);
4368 if (sc->tulip_txtimer)
4370 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) {
4371 if_printf(sc->tulip_ifp, "transmission timeout\n");
4372 if (TULIP_DO_AUTOSENSE(sc)) {
4373 sc->tulip_media = TULIP_MEDIA_UNKNOWN;
4374 sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
4375 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP);
4378 tulip_init_locked(sc);
4381 TULIP_PERFEND(stat);
4382 TULIP_PERFMERGE(sc, perf_intr_cycles);
4383 TULIP_PERFMERGE(sc, perf_ifstart_cycles);
4384 TULIP_PERFMERGE(sc, perf_ifioctl_cycles);
4385 TULIP_PERFMERGE(sc, perf_stat_cycles);
4386 TULIP_PERFMERGE(sc, perf_timeout_cycles);
4387 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles);
4388 TULIP_PERFMERGE(sc, perf_txput_cycles);
4389 TULIP_PERFMERGE(sc, perf_txintr_cycles);
4390 TULIP_PERFMERGE(sc, perf_rxintr_cycles);
4391 TULIP_PERFMERGE(sc, perf_rxget_cycles);
4392 TULIP_PERFMERGE(sc, perf_intr);
4393 TULIP_PERFMERGE(sc, perf_ifstart);
4394 TULIP_PERFMERGE(sc, perf_ifioctl);
4395 TULIP_PERFMERGE(sc, perf_stat);
4396 TULIP_PERFMERGE(sc, perf_timeout);
4397 TULIP_PERFMERGE(sc, perf_ifstart_one);
4398 TULIP_PERFMERGE(sc, perf_txput);
4399 TULIP_PERFMERGE(sc, perf_txintr);
4400 TULIP_PERFMERGE(sc, perf_rxintr);
4401 TULIP_PERFMERGE(sc, perf_rxget);
4405 tulip_attach(tulip_softc_t * const sc)
4409 ifp = sc->tulip_ifp = if_alloc(IFT_ETHER);
4411 /* XXX: driver name/unit should be set some other way */
4412 if_initname(ifp, "de", sc->tulip_unit);
4414 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST;
4415 ifp->if_ioctl = tulip_ifioctl;
4416 ifp->if_start = tulip_start;
4417 ifp->if_init = tulip_init;
4418 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen);
4419 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen;
4420 IFQ_SET_READY(&ifp->if_snd);
4422 device_printf(sc->tulip_dev, "%s%s pass %d.%d%s\n",
4424 tulip_chipdescs[sc->tulip_chipid],
4425 (sc->tulip_revinfo & 0xF0) >> 4,
4426 sc->tulip_revinfo & 0x0F,
4427 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM))
4428 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : "");
4431 (*sc->tulip_boardsw->bd_media_probe)(sc);
4432 ifmedia_init(&sc->tulip_ifmedia, 0,
4433 tulip_ifmedia_change,
4434 tulip_ifmedia_status);
4435 tulip_ifmedia_add(sc);
4440 ether_ifattach(sc->tulip_ifp, sc->tulip_enaddr);
4443 sc->tulip_flags &= ~TULIP_DEVICEPROBE;
4447 /* Release memory for a single descriptor ring. */
4449 tulip_busdma_freering(tulip_ringinfo_t *ri)
4453 /* Release the DMA maps and tag for data buffers. */
4454 if (ri->ri_data_maps != NULL) {
4455 for (i = 0; i < ri->ri_max; i++) {
4456 if (ri->ri_data_maps[i] != NULL) {
4457 bus_dmamap_destroy(ri->ri_data_tag, ri->ri_data_maps[i]);
4458 ri->ri_data_maps[i] = NULL;
4461 free(ri->ri_data_maps, M_DEVBUF);
4462 ri->ri_data_maps = NULL;
4464 if (ri->ri_data_tag != NULL) {
4465 bus_dma_tag_destroy(ri->ri_data_tag);
4466 ri->ri_data_tag = NULL;
4469 /* Release the DMA memory and tag for the ring descriptors. */
4470 if (ri->ri_dma_addr != 0) {
4471 bus_dmamap_unload(ri->ri_ring_tag, ri->ri_ring_map);
4472 ri->ri_dma_addr = 0;
4474 if (ri->ri_descs != NULL) {
4475 bus_dmamem_free(ri->ri_ring_tag, ri->ri_descs, ri->ri_ring_map);
4476 ri->ri_descs = NULL;
4478 if (ri->ri_ring_tag != NULL) {
4479 bus_dma_tag_destroy(ri->ri_ring_tag);
4480 ri->ri_ring_tag = NULL;
4484 /* Allocate memory for a single descriptor ring. */
4486 tulip_busdma_allocring(device_t dev, tulip_softc_t * const sc, size_t count,
4487 bus_size_t align, int nsegs, tulip_ringinfo_t *ri, const char *name)
4492 /* First, setup a tag. */
4494 size = count * sizeof(tulip_desc_t);
4495 error = bus_dma_tag_create(bus_get_dma_tag(dev),
4496 32, 0, BUS_SPACE_MAXADDR_32BIT,
4497 BUS_SPACE_MAXADDR, NULL, NULL, size, 1, size, 0, NULL, NULL,
4500 device_printf(dev, "failed to allocate %s descriptor ring dma tag\n",
4505 /* Next, allocate memory for the descriptors. */
4506 error = bus_dmamem_alloc(ri->ri_ring_tag, (void **)&ri->ri_descs,
4507 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ri->ri_ring_map);
4509 device_printf(dev, "failed to allocate memory for %s descriptor ring\n",
4514 /* Map the descriptors. */
4515 error = bus_dmamap_load(ri->ri_ring_tag, ri->ri_ring_map, ri->ri_descs,
4516 size, tulip_dma_map_addr, &ri->ri_dma_addr, BUS_DMA_NOWAIT);
4518 device_printf(dev, "failed to get dma address for %s descriptor ring\n",
4523 /* Allocate a tag for the data buffers. */
4524 error = bus_dma_tag_create(bus_get_dma_tag(dev), align, 0,
4525 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
4526 MCLBYTES * nsegs, nsegs, MCLBYTES, 0, NULL, NULL, &ri->ri_data_tag);
4528 device_printf(dev, "failed to allocate %s buffer dma tag\n", name);
4532 /* Allocate maps for the data buffers. */
4533 ri->ri_data_maps = malloc(sizeof(bus_dmamap_t) * count, M_DEVBUF,
4535 for (i = 0; i < count; i++) {
4536 error = bus_dmamap_create(ri->ri_data_tag, 0, &ri->ri_data_maps[i]);
4538 device_printf(dev, "failed to create map for %s buffer %d\n",
4547 /* Release busdma maps, tags, and memory. */
4549 tulip_busdma_cleanup(tulip_softc_t * const sc)
4552 /* Release resources for the setup descriptor. */
4553 if (sc->tulip_setup_dma_addr != 0) {
4554 bus_dmamap_unload(sc->tulip_setup_tag, sc->tulip_setup_map);
4555 sc->tulip_setup_dma_addr = 0;
4557 if (sc->tulip_setupbuf != NULL) {
4558 bus_dmamem_free(sc->tulip_setup_tag, sc->tulip_setupbuf,
4559 sc->tulip_setup_map);
4560 sc->tulip_setupbuf = NULL;
4562 if (sc->tulip_setup_tag != NULL) {
4563 bus_dma_tag_destroy(sc->tulip_setup_tag);
4564 sc->tulip_setup_tag = NULL;
4567 /* Release the transmit ring. */
4568 tulip_busdma_freering(&sc->tulip_txinfo);
4570 /* Release the receive ring. */
4571 tulip_busdma_freering(&sc->tulip_rxinfo);
4575 tulip_busdma_init(device_t dev, tulip_softc_t * const sc)
4580 * Allocate space and dmamap for transmit ring.
4582 error = tulip_busdma_allocring(dev, sc, TULIP_TXDESCS, 1, TULIP_MAX_TXSEG,
4583 &sc->tulip_txinfo, "transmit");
4588 * Allocate space and dmamap for receive ring. We tell bus_dma that
4589 * we can map MCLBYTES so that it will accept a full MCLBYTES cluster,
4590 * but we will only map the first TULIP_RX_BUFLEN bytes. This is not
4591 * a waste in practice though as an ethernet frame can easily fit
4592 * in TULIP_RX_BUFLEN bytes.
4594 error = tulip_busdma_allocring(dev, sc, TULIP_RXDESCS, 4, 1,
4595 &sc->tulip_rxinfo, "receive");
4600 * Allocate a DMA tag, memory, and map for setup descriptor
4602 error = bus_dma_tag_create(bus_get_dma_tag(dev), 32, 0,
4603 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
4604 sizeof(sc->tulip_setupdata), 1, sizeof(sc->tulip_setupdata), 0,
4605 NULL, NULL, &sc->tulip_setup_tag);
4607 device_printf(dev, "failed to allocate setup descriptor dma tag\n");
4610 error = bus_dmamem_alloc(sc->tulip_setup_tag, (void **)&sc->tulip_setupbuf,
4611 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->tulip_setup_map);
4613 device_printf(dev, "failed to allocate memory for setup descriptor\n");
4616 error = bus_dmamap_load(sc->tulip_setup_tag, sc->tulip_setup_map,
4617 sc->tulip_setupbuf, sizeof(sc->tulip_setupdata),
4618 tulip_dma_map_addr, &sc->tulip_setup_dma_addr, BUS_DMA_NOWAIT);
4620 device_printf(dev, "failed to get dma address for setup descriptor\n");
4628 tulip_initcsrs(tulip_softc_t * const sc, tulip_csrptr_t csr_base,
4631 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size;
4632 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size;
4633 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size;
4634 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size;
4635 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size;
4636 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size;
4637 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size;
4638 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size;
4639 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size;
4640 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size;
4641 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size;
4642 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size;
4643 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size;
4644 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size;
4645 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size;
4646 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size;
4652 tulip_softc_t * const sc,
4653 tulip_ringinfo_t * const ri,
4658 ri->ri_descinfo = malloc(sizeof(tulip_descinfo_t) * ndescs, M_DEVBUF,
4660 for (i = 0; i < ndescs; i++) {
4661 ri->ri_descinfo[i].di_desc = &ri->ri_descs[i];
4662 ri->ri_descinfo[i].di_map = &ri->ri_data_maps[i];
4664 ri->ri_first = ri->ri_descinfo;
4665 ri->ri_max = ndescs;
4666 ri->ri_last = ri->ri_first + ri->ri_max;
4667 bzero(ri->ri_descs, sizeof(tulip_desc_t) * ri->ri_max);
4668 ri->ri_last[-1].di_desc->d_flag = TULIP_DFLAG_ENDRING;
4673 * This is the PCI configuration support.
4676 #define PCI_CBIO PCIR_BAR(0) /* Configuration Base IO Address */
4677 #define PCI_CBMA PCIR_BAR(1) /* Configuration Base Memory Address */
4678 #define PCI_CFDA 0x40 /* Configuration Driver Area */
4681 tulip_pci_probe(device_t dev)
4683 const char *name = NULL;
4685 if (pci_get_vendor(dev) != DEC_VENDORID)
4689 * Some LanMedia WAN cards use the Tulip chip, but they have
4690 * their own driver, and we should not recognize them
4692 if (pci_get_subvendor(dev) == 0x1376)
4695 switch (pci_get_device(dev)) {
4697 name = "Digital 21040 Ethernet";
4700 name = "Digital 21041 Ethernet";
4703 if (pci_get_revid(dev) >= 0x20)
4704 name = "Digital 21140A Fast Ethernet";
4706 name = "Digital 21140 Fast Ethernet";
4709 if (pci_get_revid(dev) >= 0x20)
4710 name = "Digital 21143 Fast Ethernet";
4712 name = "Digital 21142 Fast Ethernet";
4716 device_set_desc(dev, name);
4717 return BUS_PROBE_LOW_PRIORITY;
4723 tulip_shutdown(device_t dev)
4725 tulip_softc_t * const sc = device_get_softc(dev);
4726 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
4727 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at
4728 33MHz that comes to two microseconds but wait a
4729 bit longer anyways) */
4734 tulip_pci_attach(device_t dev)
4738 u_int32_t revinfo, cfdainfo;
4739 unsigned csroffset = TULIP_PCI_CSROFFSET;
4740 unsigned csrsize = TULIP_PCI_CSRSIZE;
4741 tulip_csrptr_t csr_base;
4742 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN;
4743 struct resource *res;
4746 unit = device_get_unit(dev);
4748 if (unit >= TULIP_MAX_DEVICES) {
4749 device_printf(dev, "not configured; limit of %d reached or exceeded\n",
4754 revinfo = pci_get_revid(dev);
4755 cfdainfo = pci_read_config(dev, PCI_CFDA, 4);
4757 /* turn busmaster on in case BIOS doesn't set it */
4758 pci_enable_busmaster(dev);
4760 if (pci_get_vendor(dev) == DEC_VENDORID) {
4761 if (pci_get_device(dev) == CHIPID_21040)
4762 chipid = TULIP_21040;
4763 else if (pci_get_device(dev) == CHIPID_21041)
4764 chipid = TULIP_21041;
4765 else if (pci_get_device(dev) == CHIPID_21140)
4766 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140;
4767 else if (pci_get_device(dev) == CHIPID_21142)
4768 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142;
4770 if (chipid == TULIP_CHIPID_UNKNOWN)
4773 if (chipid == TULIP_21040 && revinfo < 0x20) {
4775 "not configured; 21040 pass 2.0 required (%d.%d found)\n",
4776 revinfo >> 4, revinfo & 0x0f);
4778 } else if (chipid == TULIP_21140 && revinfo < 0x11) {
4780 "not configured; 21140 pass 1.1 required (%d.%d found)\n",
4781 revinfo >> 4, revinfo & 0x0f);
4785 sc = device_get_softc(dev);
4786 sc->tulip_dev = dev;
4787 sc->tulip_pci_busno = pci_get_bus(dev);
4788 sc->tulip_pci_devno = pci_get_slot(dev);
4789 sc->tulip_chipid = chipid;
4790 sc->tulip_flags |= TULIP_DEVICEPROBE;
4791 if (chipid == TULIP_21140 || chipid == TULIP_21140A)
4792 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD;
4793 if (chipid == TULIP_21140A && revinfo <= 0x22)
4794 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW;
4795 if (chipid == TULIP_21140)
4796 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH;
4797 if (chipid != TULIP_21040 && chipid != TULIP_21140)
4798 sc->tulip_features |= TULIP_HAVE_POWERMGMT;
4799 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) {
4800 sc->tulip_features |= TULIP_HAVE_DUALSENSE;
4801 if (chipid != TULIP_21041 || revinfo >= 0x20)
4802 sc->tulip_features |= TULIP_HAVE_SIANWAY;
4803 if (chipid != TULIP_21041)
4804 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD;
4805 if (chipid != TULIP_21041 && revinfo >= 0x20)
4806 sc->tulip_features |= TULIP_HAVE_SIA100;
4809 if (sc->tulip_features & TULIP_HAVE_POWERMGMT
4810 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) {
4811 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE);
4812 pci_write_config(dev, PCI_CFDA, cfdainfo, 4);
4816 sc->tulip_unit = unit;
4817 sc->tulip_revinfo = revinfo;
4818 #if defined(TULIP_IOMAPPED)
4820 res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
4823 res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
4827 sc->tulip_csrs_bst = rman_get_bustag(res);
4828 sc->tulip_csrs_bsh = rman_get_bushandle(res);
4831 mtx_init(TULIP_MUTEX(sc), MTX_NETWORK_LOCK, device_get_nameunit(dev),
4833 callout_init_mtx(&sc->tulip_callout, TULIP_MUTEX(sc), 0);
4834 callout_init_mtx(&sc->tulip_stat_timer, TULIP_MUTEX(sc), 0);
4837 tulip_initcsrs(sc, csr_base + csroffset, csrsize);
4839 if ((retval = tulip_busdma_init(dev, sc)) != 0) {
4840 device_printf(dev, "error initing bus_dma: %d\n", retval);
4841 tulip_busdma_cleanup(sc);
4842 mtx_destroy(TULIP_MUTEX(sc));
4846 retval = tulip_initring(dev, sc, &sc->tulip_rxinfo, TULIP_RXDESCS);
4848 retval = tulip_initring(dev, sc, &sc->tulip_txinfo, TULIP_TXDESCS);
4850 tulip_busdma_cleanup(sc);
4851 mtx_destroy(TULIP_MUTEX(sc));
4856 * Make sure there won't be any interrupts or such...
4858 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
4859 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at
4860 33MHz that comes to two microseconds but wait a
4861 bit longer anyways) */
4864 retval = tulip_read_macaddr(sc);
4867 device_printf(dev, "can't read ENET ROM (why=%d) (", retval);
4868 for (idx = 0; idx < 32; idx++)
4869 printf("%02x", sc->tulip_rombuf[idx]);
4871 device_printf(dev, "%s%s pass %d.%d\n",
4872 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid],
4873 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F);
4874 device_printf(dev, "address unknown\n");
4876 void (*intr_rtn)(void *) = tulip_intr_normal;
4878 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR)
4879 intr_rtn = tulip_intr_shared;
4883 /* Setup interrupt last. */
4884 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) {
4888 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
4889 RF_SHAREABLE | RF_ACTIVE);
4890 if (res == 0 || bus_setup_intr(dev, res, INTR_TYPE_NET |
4891 INTR_MPSAFE, NULL, intr_rtn, sc, &ih)) {
4892 device_printf(dev, "couldn't map interrupt\n");
4893 tulip_busdma_cleanup(sc);
4894 ether_ifdetach(sc->tulip_ifp);
4895 if_free(sc->tulip_ifp);
4896 mtx_destroy(TULIP_MUTEX(sc));
4904 static device_method_t tulip_pci_methods[] = {
4905 /* Device interface */
4906 DEVMETHOD(device_probe, tulip_pci_probe),
4907 DEVMETHOD(device_attach, tulip_pci_attach),
4908 DEVMETHOD(device_shutdown, tulip_shutdown),
4912 static driver_t tulip_pci_driver = {
4915 sizeof(tulip_softc_t),
4918 static devclass_t tulip_devclass;
4920 DRIVER_MODULE(de, pci, tulip_pci_driver, tulip_devclass, 0, 0);
4923 void tulip_dumpring(int unit, int ring);
4924 void tulip_dumpdesc(int unit, int ring, int desc);
4925 void tulip_status(int unit);
4928 tulip_dumpring(int unit, int ring)
4931 tulip_ringinfo_t *ri;
4932 tulip_descinfo_t *di;
4934 if (unit < 0 || unit >= TULIP_MAX_DEVICES) {
4935 db_printf("invalid unit %d\n", unit);
4940 db_printf("unit %d not present\n", unit);
4946 db_printf("receive ring:\n");
4947 ri = &sc->tulip_rxinfo;
4950 db_printf("transmit ring:\n");
4951 ri = &sc->tulip_txinfo;
4954 db_printf("invalid ring %d\n", ring);
4958 db_printf(" nextin: %td, nextout: %td, max: %d, free: %d\n",
4959 ri->ri_nextin - ri->ri_first, ri->ri_nextout - ri->ri_first,
4960 ri->ri_max, ri->ri_free);
4961 for (di = ri->ri_first; di != ri->ri_last; di++) {
4962 if (di->di_mbuf != NULL)
4963 db_printf(" descriptor %td: mbuf %p\n", di - ri->ri_first,
4965 else if (di->di_desc->d_flag & TULIP_DFLAG_TxSETUPPKT)
4966 db_printf(" descriptor %td: setup packet\n", di - ri->ri_first);
4971 tulip_dumpdesc(int unit, int ring, int desc)
4974 tulip_ringinfo_t *ri;
4975 tulip_descinfo_t *di;
4978 if (unit < 0 || unit >= TULIP_MAX_DEVICES) {
4979 db_printf("invalid unit %d\n", unit);
4984 db_printf("unit %d not present\n", unit);
4991 ri = &sc->tulip_rxinfo;
4995 ri = &sc->tulip_txinfo;
4998 db_printf("invalid ring %d\n", ring);
5002 if (desc < 0 || desc >= ri->ri_max) {
5003 db_printf("invalid descriptor %d\n", desc);
5007 db_printf("%s descriptor %d:\n", s, desc);
5008 di = &ri->ri_first[desc];
5009 db_printf(" mbuf: %p\n", di->di_mbuf);
5010 db_printf(" status: %08x flag: %03x\n", di->di_desc->d_status,
5011 di->di_desc->d_flag);
5012 db_printf(" addr1: %08x len1: %03x\n", di->di_desc->d_addr1,
5013 di->di_desc->d_length1);
5014 db_printf(" addr2: %08x len2: %03x\n", di->di_desc->d_addr2,
5015 di->di_desc->d_length2);