Use queue(3) macros for if_multiaddrs.
[dragonfly.git] / sys / dev / netif / de / if_de.c
CommitLineData
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1/* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */
2
3/* $FreeBSD: src/sys/pci/if_de.c,v 1.123.2.4 2000/08/04 23:25:09 peter Exp $ */
03df8a20 4/* $DragonFly: src/sys/dev/netif/de/if_de.c,v 1.39 2005/06/20 15:10:40 joerg Exp $ */
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5
6/*-
7 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com)
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. The name of the author may not be used to endorse or promote products
16 * derived from this software withough specific prior written permission
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * Id: if_de.c,v 1.94 1997/07/03 16:55:07 thomas Exp
30 *
31 */
32
33/*
34 * DEC 21040 PCI Ethernet Controller
35 *
36 * Written by Matt Thomas
37 * BPF support code stolen directly from if_ec.c
38 *
39 * This driver supports the DEC DE435 or any other PCI
40 * board which support 21040, 21041, or 21140 (mostly).
41 */
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42
43#include <sys/param.h>
44#include <sys/systm.h>
45#include <sys/mbuf.h>
46#include <sys/socket.h>
47#include <sys/sockio.h>
48#include <sys/malloc.h>
49#include <sys/kernel.h>
50#include <sys/eventhandler.h>
61b0028a 51#include <sys/thread2.h>
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52#include <machine/bus.h>
53#include <machine/resource.h>
54#include <sys/bus.h>
55#include <sys/rman.h>
56
57#include "opt_inet.h"
58#include "opt_ipx.h"
59
60#include <net/if.h>
61#include <net/if_media.h>
62#include <net/if_dl.h>
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63
64#include <net/bpf.h>
65
66#ifdef INET
67#include <netinet/in.h>
68#include <netinet/if_ether.h>
69#endif
70
71#ifdef IPX
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72#include <netproto/ipx/ipx.h>
73#include <netproto/ipx/ipx_if.h>
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74#endif
75
76#ifdef NS
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77#include <netproto/ns/ns.h>
78#include <netproto/ns/ns_if.h>
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79#endif
80
81#include <vm/vm.h>
82
83#include <net/if_var.h>
84#include <vm/pmap.h>
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85#include <bus/pci/pcivar.h>
86#include <bus/pci/pcireg.h>
87#include <bus/pci/dc21040reg.h>
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88
89/*
90 * Intel CPUs should use I/O mapped access.
91 */
92#if defined(__i386__)
93#define TULIP_IOMAPPED
94#endif
95
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96#define TULIP_HZ 10
97
1f2de5d4 98#include "if_devar.h"
984263bc 99
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100static tulip_softc_t *tulips[TULIP_MAX_DEVICES];
101
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102/*
103 * This module supports
104 * the DEC 21040 PCI Ethernet Controller.
105 * the DEC 21041 PCI Ethernet Controller.
106 * the DEC 21140 PCI Fast Ethernet Controller.
107 */
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108static void tulip_mii_autonegotiate(tulip_softc_t *, u_int);
109static void tulip_intr_shared(void *);
110static void tulip_intr_normal(void *);
111static void tulip_init(tulip_softc_t *);
112static void tulip_reset(tulip_softc_t *);
113static void tulip_ifstart(struct ifnet *);
114static struct mbuf *tulip_txput(tulip_softc_t *, struct mbuf *);
115static void tulip_txput_setup(tulip_softc_t *);
116static void tulip_rx_intr(tulip_softc_t *);
117static void tulip_addr_filter(tulip_softc_t *);
118static u_int tulip_mii_readreg(tulip_softc_t *, u_int, u_int);
119static void tulip_mii_writereg(tulip_softc_t *, u_int, u_int, u_int);
120static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities);
121static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t *);
122static int tulip_srom_decode(tulip_softc_t *);
123static int tulip_ifmedia_change(struct ifnet *);
124static void tulip_ifmedia_status(struct ifnet *, struct ifmediareq *);
984263bc 125/* static void tulip_21140_map_media(tulip_softc_t *sc); */
79fe23de 126
984263bc 127static void
79fe23de 128tulip_timeout_callback(void *arg)
984263bc 129{
79fe23de 130 tulip_softc_t *sc = arg;
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131
132 crit_enter();
984263bc 133
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134 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING;
135 sc->tulip_probe_timeout -= 1000 / TULIP_HZ;
136 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER);
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137
138 crit_exit();
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139}
140
141static void
79fe23de 142tulip_timeout(tulip_softc_t *sc)
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143{
144 if (sc->tulip_flags & TULIP_TIMEOUTPENDING)
145 return;
146 sc->tulip_flags |= TULIP_TIMEOUTPENDING;
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147 callout_reset(&sc->tulip_timer, (hz + TULIP_HZ / 2) / TULIP_HZ,
148 tulip_timeout_callback, sc);
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149}
150
984263bc 151static int
79fe23de 152tulip_txprobe(tulip_softc_t *sc)
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153{
154 struct mbuf *m;
155 /*
156 * Before we are sure this is the right media we need
157 * to send a small packet to make sure there's carrier.
158 * Strangely, BNC and AUI will "see" receive data if
159 * either is connected so the transmit is the only way
160 * to verify the connectivity.
161 */
74f1caca 162 MGETHDR(m, MB_DONTWAIT, MT_DATA);
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163 if (m == NULL)
164 return 0;
165 /*
166 * Construct a LLC TEST message which will point to ourselves.
167 */
168 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6);
169 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6);
170 mtod(m, struct ether_header *)->ether_type = htons(3);
171 mtod(m, unsigned char *)[14] = 0;
172 mtod(m, unsigned char *)[15] = 0;
173 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */
174 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3;
175 /*
176 * send it!
177 */
178 sc->tulip_cmdmode |= TULIP_CMD_TXRUN;
179 sc->tulip_intrmask |= TULIP_STS_TXINTR;
180 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE;
181 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
182 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
183 if ((m = tulip_txput(sc, m)) != NULL)
184 m_freem(m);
185 sc->tulip_probe.probe_txprobes++;
186 return 1;
187}
79fe23de 188
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189#ifdef BIG_PACKET
190#define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0)
191#else
192#define TULIP_SIAGEN_WATCHDOG 0
193#endif
194
195static void
79fe23de 196tulip_media_set(tulip_softc_t *sc, tulip_media_t media)
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197{
198 const tulip_media_info_t *mi = sc->tulip_mediums[media];
199
200 if (mi == NULL)
201 return;
202
203 /*
204 * If we are switching media, make sure we don't think there's
205 * any stale RX activity
206 */
207 sc->tulip_flags &= ~TULIP_RXACT;
208 if (mi->mi_type == TULIP_MEDIAINFO_SIA) {
209 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET);
210 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx);
211 if (sc->tulip_features & TULIP_HAVE_SIAGP) {
212 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG);
213 DELAY(50);
214 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG);
215 } else {
216 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG);
217 }
218 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity);
219 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) {
220#define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL)
221 /*
222 * If the cmdmode bits don't match the currently operating mode,
223 * set the cmdmode appropriately and reset the chip.
224 */
225 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) {
226 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS;
227 sc->tulip_cmdmode |= mi->mi_cmdmode;
228 tulip_reset(sc);
229 }
230 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit);
231 DELAY(10);
232 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata);
233 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) {
234 /*
235 * If the cmdmode bits don't match the currently operating mode,
236 * set the cmdmode appropriately and reset the chip.
237 */
238 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) {
239 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS;
240 sc->tulip_cmdmode |= mi->mi_cmdmode;
241 tulip_reset(sc);
242 }
243 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol);
244 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata);
245 } else if (mi->mi_type == TULIP_MEDIAINFO_MII
246 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) {
247 int idx;
248 if (sc->tulip_features & TULIP_HAVE_SIAGP) {
249 const u_int8_t *dp;
250 dp = &sc->tulip_rombuf[mi->mi_reset_offset];
251 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) {
252 DELAY(10);
253 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16);
254 }
255 sc->tulip_phyaddr = mi->mi_phyaddr;
256 dp = &sc->tulip_rombuf[mi->mi_gpr_offset];
257 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) {
258 DELAY(10);
259 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16);
260 }
261 } else {
262 for (idx = 0; idx < mi->mi_reset_length; idx++) {
263 DELAY(10);
264 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]);
265 }
266 sc->tulip_phyaddr = mi->mi_phyaddr;
267 for (idx = 0; idx < mi->mi_gpr_length; idx++) {
268 DELAY(10);
269 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]);
270 }
271 }
272 if (sc->tulip_flags & TULIP_TRYNWAY) {
273 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr);
274 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) {
275 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL);
276 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE);
277 sc->tulip_flags &= ~TULIP_DIDNWAY;
278 if (TULIP_IS_MEDIA_FD(media))
279 data |= PHYCTL_FULL_DUPLEX;
280 if (TULIP_IS_MEDIA_100MB(media))
281 data |= PHYCTL_SELECT_100MB;
282 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data);
283 }
284 }
285}
79fe23de 286
984263bc 287static void
79fe23de 288tulip_linkup(tulip_softc_t *sc, tulip_media_t media)
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289{
290 if ((sc->tulip_flags & TULIP_LINKUP) == 0)
291 sc->tulip_flags |= TULIP_PRINTLINKUP;
292 sc->tulip_flags |= TULIP_LINKUP;
293 sc->tulip_if.if_flags &= ~IFF_OACTIVE;
294#if 0 /* XXX how does with work with ifmedia? */
295 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) {
296 if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) {
297 if (TULIP_CAN_MEDIA_FD(media)
298 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL)
299 media = TULIP_FD_MEDIA_OF(media);
300 } else {
301 if (TULIP_IS_MEDIA_FD(media)
302 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL)
303 media = TULIP_HD_MEDIA_OF(media);
304 }
305 }
306#endif
307 if (sc->tulip_media != media) {
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308 sc->tulip_media = media;
309 sc->tulip_flags |= TULIP_PRINTMEDIA;
310 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) {
311 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX;
312 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) {
313 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
314 }
315 }
316 /*
317 * We could set probe_timeout to 0 but setting to 3000 puts this
318 * in one central place and the only matters is tulip_link is
319 * followed by a tulip_timeout. Therefore setting it should not
320 * result in aberrant behavour.
321 */
322 sc->tulip_probe_timeout = 3000;
323 sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
324 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY);
325 if (sc->tulip_flags & TULIP_INRESET) {
326 tulip_media_set(sc, sc->tulip_media);
327 } else if (sc->tulip_probe_media != sc->tulip_media) {
328 /*
329 * No reason to change media if we have the right media.
330 */
331 tulip_reset(sc);
332 }
333 tulip_init(sc);
334}
79fe23de 335
984263bc 336static void
79fe23de 337tulip_media_print(tulip_softc_t *sc)
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338{
339 if ((sc->tulip_flags & TULIP_LINKUP) == 0)
340 return;
341 if (sc->tulip_flags & TULIP_PRINTMEDIA) {
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342 if_printf(&sc->tulip_if, "enabling %s port\n",
343 tulip_mediums[sc->tulip_media]);
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344 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP);
345 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) {
b3e6c01b 346 if_printf(&sc->tulip_if, "link up\n");
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347 sc->tulip_flags &= ~TULIP_PRINTLINKUP;
348 }
349}
79fe23de 350
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351#if defined(TULIP_DO_GPR_SENSE)
352static tulip_media_t
79fe23de 353tulip_21140_gpr_media_sense(tulip_softc_t *sc)
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354{
355 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN;
356 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN;
357 tulip_media_t media;
358
359 /*
360 * If one of the media blocks contained a default media flag,
361 * use that.
362 */
363 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) {
364 const tulip_media_info_t *mi;
365 /*
366 * Media is not supported (or is full-duplex).
367 */
368 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media))
369 continue;
370 if (mi->mi_type != TULIP_MEDIAINFO_GPR)
371 continue;
372
373 /*
374 * Remember the media is this is the "default" media.
375 */
376 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN)
377 maybe_media = media;
378
379 /*
380 * No activity mask? Can't see if it is active if there's no mask.
381 */
382 if (mi->mi_actmask == 0)
383 continue;
384
385 /*
386 * Does the activity data match?
387 */
388 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata)
389 continue;
390
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391 /*
392 * It does! If this is the first media we detected, then
393 * remember this media. If isn't the first, then there were
394 * multiple matches which we equate to no match (since we don't
395 * which to select (if any).
396 */
397 if (last_media == TULIP_MEDIA_UNKNOWN) {
398 last_media = media;
399 } else if (last_media != media) {
400 last_media = TULIP_MEDIA_UNKNOWN;
401 }
402 }
403 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media;
404}
405#endif /* TULIP_DO_GPR_SENSE */
79fe23de 406
984263bc 407static tulip_link_status_t
79fe23de 408tulip_media_link_monitor(tulip_softc_t *sc)
984263bc 409{
79fe23de 410 const tulip_media_info_t *mi = sc->tulip_mediums[sc->tulip_media];
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411 tulip_link_status_t linkup = TULIP_LINK_DOWN;
412
413 if (mi == NULL) {
46a77a85 414#if defined(DIAGNOSTIC)
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415 panic("tulip_media_link_monitor: %s: botch at line %d\n",
416 tulip_mediums[sc->tulip_media],__LINE__);
417#endif
418 return TULIP_LINK_UNKNOWN;
419 }
420
421
422 /*
423 * Have we seen some packets? If so, the link must be good.
424 */
425 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) {
426 sc->tulip_flags &= ~TULIP_RXACT;
427 sc->tulip_probe_timeout = 3000;
428 return TULIP_LINK_UP;
429 }
430
431 sc->tulip_flags &= ~TULIP_RXACT;
432 if (mi->mi_type == TULIP_MEDIAINFO_MII) {
433 u_int32_t status;
434 /*
435 * Read the PHY status register.
436 */
437 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS);
438 if (status & PHYSTS_AUTONEG_DONE) {
439 /*
440 * If the PHY has completed autonegotiation, see the if the
441 * remote systems abilities have changed. If so, upgrade or
442 * downgrade as appropriate.
443 */
444 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES);
445 abilities = (abilities << 6) & status;
446 if (abilities != sc->tulip_abilities) {
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447 if (tulip_mii_map_abilities(sc, abilities)) {
448 tulip_linkup(sc, sc->tulip_probe_media);
449 return TULIP_LINK_UP;
450 }
451 /*
452 * if we had selected media because of autonegotiation,
453 * we need to probe for the new media.
454 */
455 sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
456 if (sc->tulip_flags & TULIP_DIDNWAY)
457 return TULIP_LINK_DOWN;
458 }
459 }
460 /*
461 * The link is now up. If was down, say its back up.
462 */
463 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP)
464 linkup = TULIP_LINK_UP;
465 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) {
466 /*
467 * No activity sensor? Assume all's well.
468 */
469 if (mi->mi_actmask == 0)
470 return TULIP_LINK_UNKNOWN;
471 /*
472 * Does the activity data match?
473 */
474 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata)
475 linkup = TULIP_LINK_UP;
476 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) {
477 /*
478 * Assume non TP ok for now.
479 */
480 if (!TULIP_IS_MEDIA_TP(sc->tulip_media))
481 return TULIP_LINK_UNKNOWN;
482 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0)
483 linkup = TULIP_LINK_UP;
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484 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) {
485 return TULIP_LINK_UNKNOWN;
486 }
487 /*
488 * We will wait for 3 seconds until the link goes into suspect mode.
489 */
490 if (sc->tulip_flags & TULIP_LINKUP) {
491 if (linkup == TULIP_LINK_UP)
492 sc->tulip_probe_timeout = 3000;
493 if (sc->tulip_probe_timeout > 0)
494 return TULIP_LINK_UP;
495
496 sc->tulip_flags &= ~TULIP_LINKUP;
b3e6c01b 497 if_printf(&sc->tulip_if, "link down: cable problem?\n");
984263bc 498 }
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499 return TULIP_LINK_DOWN;
500}
79fe23de 501
984263bc 502static void
79fe23de 503tulip_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event)
984263bc 504{
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505 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE
506 && event == TULIP_MEDIAPOLL_TIMER) {
507 switch (tulip_media_link_monitor(sc)) {
508 case TULIP_LINK_DOWN: {
509 /*
510 * Link Monitor failed. Probe for new media.
511 */
512 event = TULIP_MEDIAPOLL_LINKFAIL;
513 break;
514 }
515 case TULIP_LINK_UP: {
516 /*
517 * Check again soon.
518 */
519 tulip_timeout(sc);
520 return;
521 }
522 case TULIP_LINK_UNKNOWN: {
523 /*
524 * We can't tell so don't bother.
525 */
526 return;
527 }
528 }
529 }
530
531 if (event == TULIP_MEDIAPOLL_LINKFAIL) {
532 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) {
533 if (TULIP_DO_AUTOSENSE(sc)) {
984263bc
MD
534 sc->tulip_media = TULIP_MEDIA_UNKNOWN;
535 if (sc->tulip_if.if_flags & IFF_UP)
536 tulip_reset(sc); /* restart probe */
537 }
538 return;
539 }
984263bc
MD
540 }
541
542 if (event == TULIP_MEDIAPOLL_START) {
543 sc->tulip_if.if_flags |= IFF_OACTIVE;
544 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE)
545 return;
546 sc->tulip_probe_mediamask = 0;
547 sc->tulip_probe_passes = 0;
984263bc
MD
548 /*
549 * If the SROM contained an explicit media to use, use it.
550 */
551 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX);
552 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS;
553 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP);
554 /*
555 * connidx is defaulted to a media_unknown type.
556 */
557 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media;
558 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) {
559 tulip_linkup(sc, sc->tulip_probe_media);
560 tulip_timeout(sc);
561 return;
562 }
563
564 if (sc->tulip_features & TULIP_HAVE_GPR) {
565 sc->tulip_probe_state = TULIP_PROBE_GPRTEST;
566 sc->tulip_probe_timeout = 2000;
567 } else {
568 sc->tulip_probe_media = TULIP_MEDIA_MAX;
569 sc->tulip_probe_timeout = 0;
570 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
571 }
572 }
573
574 /*
575 * Ignore txprobe failures or spurious callbacks.
576 */
577 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED
578 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) {
579 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
580 return;
581 }
582
583 /*
584 * If we really transmitted a packet, then that's the media we'll use.
585 */
586 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) {
587 if (event == TULIP_MEDIAPOLL_LINKPASS) {
588 /* XXX Check media status just to be sure */
589 sc->tulip_probe_media = TULIP_MEDIA_10BASET;
984263bc
MD
590 }
591 tulip_linkup(sc, sc->tulip_probe_media);
592 tulip_timeout(sc);
593 return;
594 }
595
596 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) {
597#if defined(TULIP_DO_GPR_SENSE)
598 /*
599 * Check for media via the general purpose register.
600 *
601 * Try to sense the media via the GPR. If the same value
602 * occurs 3 times in a row then just use that.
603 */
604 if (sc->tulip_probe_timeout > 0) {
605 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc);
984263bc
MD
606 if (new_probe_media != TULIP_MEDIA_UNKNOWN) {
607 if (new_probe_media == sc->tulip_probe_media) {
608 if (--sc->tulip_probe_count == 0)
609 tulip_linkup(sc, sc->tulip_probe_media);
610 } else {
611 sc->tulip_probe_count = 10;
612 }
613 }
614 sc->tulip_probe_media = new_probe_media;
615 tulip_timeout(sc);
616 return;
617 }
618#endif /* TULIP_DO_GPR_SENSE */
619 /*
620 * Brute force. We cycle through each of the media types
621 * and try to transmit a packet.
622 */
623 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
624 sc->tulip_probe_media = TULIP_MEDIA_MAX;
625 sc->tulip_probe_timeout = 0;
626 tulip_timeout(sc);
627 return;
628 }
629
630 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST
631 && (sc->tulip_features & TULIP_HAVE_MII)) {
632 tulip_media_t old_media = sc->tulip_probe_media;
633 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr);
634 switch (sc->tulip_probe_state) {
635 case TULIP_PROBE_FAILED:
636 case TULIP_PROBE_MEDIATEST: {
637 /*
638 * Try the next media.
639 */
640 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask;
641 sc->tulip_probe_timeout = 0;
642#ifdef notyet
643 if (sc->tulip_probe_state == TULIP_PROBE_FAILED)
644 break;
645 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc))
646 break;
647 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300;
648#endif
649 break;
650 }
651 case TULIP_PROBE_PHYAUTONEG: {
652 return;
653 }
654 case TULIP_PROBE_INACTIVE: {
655 /*
656 * Only probe if we autonegotiated a media that hasn't failed.
657 */
658 sc->tulip_probe_timeout = 0;
659 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) {
660 sc->tulip_probe_media = old_media;
661 break;
662 }
663 tulip_linkup(sc, sc->tulip_probe_media);
664 tulip_timeout(sc);
665 return;
666 }
667 default: {
46a77a85 668#if defined(DIAGNOSTIC)
984263bc
MD
669 panic("tulip_media_poll: botch at line %d\n", __LINE__);
670#endif
671 break;
672 }
673 }
674 }
675
676 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) {
984263bc
MD
677 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
678 return;
679 }
680
681 /*
682 * switch to another media if we tried this one enough.
683 */
684 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) {
984263bc
MD
685 /*
686 * Find the next media type to check for. Full Duplex
687 * types are not allowed.
688 */
689 do {
690 sc->tulip_probe_media -= 1;
691 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) {
692 if (++sc->tulip_probe_passes == 3) {
b3e6c01b 693 if_printf(&sc->tulip_if, "autosense failed: cable problem?\n");
984263bc
MD
694 if ((sc->tulip_if.if_flags & IFF_UP) == 0) {
695 sc->tulip_if.if_flags &= ~IFF_RUNNING;
696 sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
697 return;
698 }
699 }
700 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */
701 sc->tulip_probe_mediamask = 0;
702 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1;
703 }
704 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL
705 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media))
706 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media));
707
984263bc
MD
708 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000;
709 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
710 sc->tulip_probe.probe_txprobes = 0;
711 tulip_reset(sc);
712 tulip_media_set(sc, sc->tulip_probe_media);
713 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
714 }
715 tulip_timeout(sc);
716
717 /*
718 * If this is hanging off a phy, we know are doing NWAY and we have
719 * forced the phy to a specific speed. Wait for link up before
720 * before sending a packet.
721 */
722 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) {
723 case TULIP_MEDIAINFO_MII: {
724 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc))
725 return;
726 break;
727 }
728 case TULIP_MEDIAINFO_SIA: {
729 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) {
730 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL)
731 return;
732 tulip_linkup(sc, sc->tulip_probe_media);
733#ifdef notyet
734 if (sc->tulip_features & TULIP_HAVE_MII)
735 tulip_timeout(sc);
736#endif
737 return;
738 }
739 break;
740 }
741 case TULIP_MEDIAINFO_RESET:
742 case TULIP_MEDIAINFO_SYM:
743 case TULIP_MEDIAINFO_NONE:
744 case TULIP_MEDIAINFO_GPR: {
745 break;
746 }
747 }
748 /*
749 * Try to send a packet.
750 */
751 tulip_txprobe(sc);
752}
79fe23de 753
984263bc 754static void
79fe23de 755tulip_media_select(tulip_softc_t *sc)
984263bc
MD
756{
757 if (sc->tulip_features & TULIP_HAVE_GPR) {
758 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit);
759 DELAY(10);
760 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata);
761 }
762 /*
763 * If this board has no media, just return
764 */
765 if (sc->tulip_features & TULIP_HAVE_NOMEDIA)
766 return;
767
768 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) {
769 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
770 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START);
771 } else {
772 tulip_media_set(sc, sc->tulip_media);
773 }
774}
79fe23de 775
984263bc 776static void
79fe23de 777tulip_21040_mediainfo_init(tulip_softc_t *sc, tulip_media_t media)
984263bc
MD
778{
779 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160
780 |TULIP_CMD_BACKOFFCTR;
781 sc->tulip_if.if_baudrate = 10000000;
782
783 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) {
784 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET);
785 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD);
786 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
787 }
788
789 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) {
790 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC);
791 }
792
793 if (media == TULIP_MEDIA_UNKNOWN) {
794 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA);
795 }
796}
797
798static void
79fe23de 799tulip_21040_media_probe(tulip_softc_t *sc)
984263bc
MD
800{
801 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN);
984263bc
MD
802}
803
804static void
79fe23de 805tulip_21040_10baset_only_media_probe(tulip_softc_t *sc)
984263bc
MD
806{
807 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET);
808 tulip_media_set(sc, TULIP_MEDIA_10BASET);
809 sc->tulip_media = TULIP_MEDIA_10BASET;
810}
811
812static void
79fe23de 813tulip_21040_10baset_only_media_select(tulip_softc_t *sc)
984263bc
MD
814{
815 sc->tulip_flags |= TULIP_LINKUP;
816 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) {
817 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX;
818 sc->tulip_flags &= ~TULIP_SQETEST;
819 } else {
820 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
821 sc->tulip_flags |= TULIP_SQETEST;
822 }
823 tulip_media_set(sc, sc->tulip_media);
824}
825
826static void
79fe23de 827tulip_21040_auibnc_only_media_probe(tulip_softc_t *sc)
984263bc
MD
828{
829 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC);
830 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP;
831 tulip_media_set(sc, TULIP_MEDIA_AUIBNC);
832 sc->tulip_media = TULIP_MEDIA_AUIBNC;
833}
834
835static void
79fe23de 836tulip_21040_auibnc_only_media_select(tulip_softc_t *sc)
984263bc
MD
837{
838 tulip_media_set(sc, TULIP_MEDIA_AUIBNC);
839 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
840}
841
842static const tulip_boardsw_t tulip_21040_boardsw = {
843 TULIP_21040_GENERIC,
844 tulip_21040_media_probe,
845 tulip_media_select,
846 tulip_media_poll,
847};
848
849static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = {
850 TULIP_21040_GENERIC,
851 tulip_21040_10baset_only_media_probe,
852 tulip_21040_10baset_only_media_select,
853 NULL,
854};
855
856static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = {
857 TULIP_21040_GENERIC,
858 tulip_21040_auibnc_only_media_probe,
859 tulip_21040_auibnc_only_media_select,
860 NULL,
861};
79fe23de 862
984263bc 863static void
79fe23de 864tulip_21041_mediainfo_init(tulip_softc_t *sc)
984263bc 865{
79fe23de 866 tulip_media_info_t *mi = sc->tulip_mediainfo;
984263bc
MD
867
868#ifdef notyet
869 if (sc->tulip_revinfo >= 0x20) {
870 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET);
871 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD);
872 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI);
873 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC);
874 return;
875 }
876#endif
877 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET);
878 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD);
879 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI);
880 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC);
881}
79fe23de 882
984263bc 883static void
79fe23de 884tulip_21041_media_probe(tulip_softc_t *sc)
984263bc
MD
885{
886 sc->tulip_if.if_baudrate = 10000000;
887 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT
888 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR;
889 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
890 tulip_21041_mediainfo_init(sc);
891}
892
893static void
79fe23de 894tulip_21041_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event)
984263bc 895{
79fe23de 896 uint32_t sia_status;
984263bc 897
984263bc
MD
898 if (event == TULIP_MEDIAPOLL_LINKFAIL) {
899 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE
900 || !TULIP_DO_AUTOSENSE(sc))
901 return;
902 sc->tulip_media = TULIP_MEDIA_UNKNOWN;
903 tulip_reset(sc); /* start probe */
904 return;
905 }
906
907 /*
908 * If we've been been asked to start a poll or link change interrupt
909 * restart the probe (and reset the tulip to a known state).
910 */
911 if (event == TULIP_MEDIAPOLL_START) {
912 sc->tulip_if.if_flags |= IFF_OACTIVE;
913 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN);
914#ifdef notyet
915 if (sc->tulip_revinfo >= 0x20) {
916 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX;
917 sc->tulip_flags |= TULIP_DIDNWAY;
918 }
919#endif
920 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
921 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
922 sc->tulip_probe_media = TULIP_MEDIA_10BASET;
923 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT;
924 tulip_media_set(sc, TULIP_MEDIA_10BASET);
925 tulip_timeout(sc);
926 return;
927 }
928
929 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE)
930 return;
931
932 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) {
984263bc
MD
933 tulip_linkup(sc, sc->tulip_probe_media);
934 return;
935 }
936
937 sia_status = TULIP_CSR_READ(sc, csr_sia_status);
938 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status);
939 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) {
940 if (sc->tulip_revinfo >= 0x20) {
941 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6)))
942 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD;
943 }
944 /*
945 * If the link has passed LinkPass, 10baseT is the
946 * proper media to use.
947 */
948 tulip_linkup(sc, sc->tulip_probe_media);
949 return;
950 }
951
952 /*
953 * wait for up to 2.4 seconds for the link to reach pass state.
954 * Only then start scanning the other media for activity.
955 * choose media with receive activity over those without.
956 */
957 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) {
958 if (event != TULIP_MEDIAPOLL_TIMER)
959 return;
960 if (sc->tulip_probe_timeout > 0
961 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) {
962 tulip_timeout(sc);
963 return;
964 }
965 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
966 sc->tulip_flags |= TULIP_WANTRXACT;
967 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) {
968 sc->tulip_probe_media = TULIP_MEDIA_BNC;
969 } else {
970 sc->tulip_probe_media = TULIP_MEDIA_AUI;
971 }
972 tulip_media_set(sc, sc->tulip_probe_media);
973 tulip_timeout(sc);
974 return;
975 }
976
977 /*
978 * If we failed, clear the txprobe active flag.
979 */
980 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED)
981 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
982
983
984 if (event == TULIP_MEDIAPOLL_TIMER) {
985 /*
986 * If we've received something, then that's our link!
987 */
988 if (sc->tulip_flags & TULIP_RXACT) {
989 tulip_linkup(sc, sc->tulip_probe_media);
990 return;
991 }
992 /*
993 * if no txprobe active
994 */
995 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0
996 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0
997 || (sia_status & TULIP_SIASTS_RXACTIVITY))) {
998 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
999 tulip_txprobe(sc);
1000 tulip_timeout(sc);
1001 return;
1002 }
1003 /*
1004 * Take 2 passes through before deciding to not
1005 * wait for receive activity. Then take another
1006 * two passes before spitting out a warning.
1007 */
1008 if (sc->tulip_probe_timeout <= 0) {
1009 if (sc->tulip_flags & TULIP_WANTRXACT) {
1010 sc->tulip_flags &= ~TULIP_WANTRXACT;
1011 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
1012 } else {
b3e6c01b 1013 if_printf(&sc->tulip_if, "autosense failed: cable problem?\n");
984263bc
MD
1014 if ((sc->tulip_if.if_flags & IFF_UP) == 0) {
1015 sc->tulip_if.if_flags &= ~IFF_RUNNING;
1016 sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
1017 return;
1018 }
1019 }
1020 }
1021 }
1022
1023 /*
1024 * Since this media failed to probe, try the other one.
1025 */
1026 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
1027 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) {
1028 sc->tulip_probe_media = TULIP_MEDIA_BNC;
1029 } else {
1030 sc->tulip_probe_media = TULIP_MEDIA_AUI;
1031 }
1032 tulip_media_set(sc, sc->tulip_probe_media);
1033 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
1034 tulip_timeout(sc);
1035}
1036
1037static const tulip_boardsw_t tulip_21041_boardsw = {
1038 TULIP_21041_GENERIC,
1039 tulip_21041_media_probe,
1040 tulip_media_select,
1041 tulip_21041_media_poll
1042};
79fe23de 1043
984263bc
MD
1044static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = {
1045 { 0x20005c00, 0, /* 08-00-17 */
1046 {
1047 { 0x19, 0x0040, 0x0040 }, /* 10TX */
1048 { 0x19, 0x0040, 0x0000 }, /* 100TX */
1049 },
984263bc
MD
1050 },
1051 { 0x0281F400, 0, /* 00-A0-7D */
1052 {
1053 { 0x12, 0x0010, 0x0000 }, /* 10T */
1054 { }, /* 100TX */
1055 { 0x12, 0x0010, 0x0010 }, /* 100T4 */
1056 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */
1057 },
984263bc
MD
1058 },
1059#if 0
1060 { 0x0015F420, 0, /* 00-A0-7D */
1061 {
1062 { 0x12, 0x0010, 0x0000 }, /* 10T */
1063 { }, /* 100TX */
1064 { 0x12, 0x0010, 0x0010 }, /* 100T4 */
1065 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */
1066 },
984263bc
MD
1067 },
1068#endif
1069 { 0x0281F400, 0, /* 00-A0-BE */
1070 {
1071 { 0x11, 0x8000, 0x0000 }, /* 10T */
1072 { 0x11, 0x8000, 0x8000 }, /* 100TX */
1073 { }, /* 100T4 */
1074 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */
1075 },
984263bc
MD
1076 },
1077 { 0 }
1078};
79fe23de 1079
984263bc 1080static tulip_media_t
79fe23de 1081tulip_mii_phy_readspecific(tulip_softc_t *sc)
984263bc
MD
1082{
1083 const tulip_phy_attr_t *attr;
1084 u_int16_t data;
1085 u_int32_t id;
1086 unsigned idx = 0;
1087 static const tulip_media_t table[] = {
1088 TULIP_MEDIA_UNKNOWN,
1089 TULIP_MEDIA_10BASET,
1090 TULIP_MEDIA_100BASETX,
1091 TULIP_MEDIA_100BASET4,
1092 TULIP_MEDIA_UNKNOWN,
1093 TULIP_MEDIA_10BASET_FD,
1094 TULIP_MEDIA_100BASETX_FD,
1095 TULIP_MEDIA_UNKNOWN
1096 };
1097
1098 /*
1099 * Don't read phy specific registers if link is not up.
1100 */
1101 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS);
1102 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS))
1103 return TULIP_MEDIA_UNKNOWN;
1104
1105 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) |
1106 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH);
1107 for (attr = tulip_mii_phy_attrlist;; attr++) {
1108 if (attr->attr_id == 0)
1109 return TULIP_MEDIA_UNKNOWN;
1110 if ((id & ~0x0F) == attr->attr_id)
1111 break;
1112 }
1113
1114 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) {
79fe23de 1115 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_100TX];
984263bc
MD
1116 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
1117 if ((data & pm->pm_mask) == pm->pm_value)
1118 idx = 2;
1119 }
1120 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) {
79fe23de 1121 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_100T4];
984263bc
MD
1122 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
1123 if ((data & pm->pm_mask) == pm->pm_value)
1124 idx = 3;
1125 }
1126 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) {
79fe23de 1127 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_10T];
984263bc
MD
1128 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
1129 if ((data & pm->pm_mask) == pm->pm_value)
1130 idx = 1;
1131 }
1132 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) {
79fe23de 1133 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX];
984263bc
MD
1134 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
1135 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0);
1136 }
1137 return table[idx];
1138}
79fe23de
JS
1139
1140static u_int
1141tulip_mii_get_phyaddr(tulip_softc_t *sc, u_int offset)
984263bc 1142{
79fe23de 1143 u_int phyaddr;
984263bc
MD
1144
1145 for (phyaddr = 1; phyaddr < 32; phyaddr++) {
79fe23de 1146 u_int status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS);
984263bc
MD
1147 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET)
1148 continue;
1149 if (offset == 0)
1150 return phyaddr;
1151 offset--;
1152 }
1153 if (offset == 0) {
79fe23de 1154 u_int status = tulip_mii_readreg(sc, 0, PHYREG_STATUS);
984263bc
MD
1155 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET)
1156 return TULIP_MII_NOPHY;
1157 return 0;
1158 }
1159 return TULIP_MII_NOPHY;
1160}
79fe23de 1161
984263bc 1162static int
79fe23de 1163tulip_mii_map_abilities(tulip_softc_t *sc, u_int abilities)
984263bc
MD
1164{
1165 sc->tulip_abilities = abilities;
1166 if (abilities & PHYSTS_100BASETX_FD) {
1167 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD;
1168 } else if (abilities & PHYSTS_100BASET4) {
1169 sc->tulip_probe_media = TULIP_MEDIA_100BASET4;
1170 } else if (abilities & PHYSTS_100BASETX) {
1171 sc->tulip_probe_media = TULIP_MEDIA_100BASETX;
1172 } else if (abilities & PHYSTS_10BASET_FD) {
1173 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD;
1174 } else if (abilities & PHYSTS_10BASET) {
1175 sc->tulip_probe_media = TULIP_MEDIA_10BASET;
1176 } else {
1177 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
1178 return 0;
1179 }
1180 sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
1181 return 1;
1182}
1183
1184static void
79fe23de 1185tulip_mii_autonegotiate(tulip_softc_t *sc, u_int phyaddr)
984263bc
MD
1186{
1187 switch (sc->tulip_probe_state) {
1188 case TULIP_PROBE_MEDIATEST:
1189 case TULIP_PROBE_INACTIVE: {
1190 sc->tulip_flags |= TULIP_DIDNWAY;
1191 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET);
1192 sc->tulip_probe_timeout = 3000;
1193 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR;
1194 sc->tulip_probe_state = TULIP_PROBE_PHYRESET;
1195 /* FALL THROUGH */
1196 }
1197 case TULIP_PROBE_PHYRESET: {
79fe23de
JS
1198 uint32_t status;
1199 uint32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL);
984263bc
MD
1200 if (data & PHYCTL_RESET) {
1201 if (sc->tulip_probe_timeout > 0) {
1202 tulip_timeout(sc);
1203 return;
1204 }
b3e6c01b
JS
1205 if_printf(&sc->tulip_if,
1206 "(phy%d): error: reset of PHY never completed!\n", phyaddr);
984263bc
MD
1207 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
1208 sc->tulip_probe_state = TULIP_PROBE_FAILED;
1209 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING);
1210 return;
1211 }
1212 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS);
1213 if ((status & PHYSTS_CAN_AUTONEG) == 0) {
984263bc
MD
1214 sc->tulip_flags &= ~TULIP_DIDNWAY;
1215 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
1216 return;
1217 }
1218 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01))
1219 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01);
1220 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE);
1221 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL);
984263bc
MD
1222 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG;
1223 sc->tulip_probe_timeout = 3000;
1224 /* FALL THROUGH */
1225 }
1226 case TULIP_PROBE_PHYAUTONEG: {
1227 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS);
1228 u_int32_t data;
1229 if ((status & PHYSTS_AUTONEG_DONE) == 0) {
1230 if (sc->tulip_probe_timeout > 0) {
1231 tulip_timeout(sc);
1232 return;
1233 }
984263bc
MD
1234 sc->tulip_flags &= ~TULIP_DIDNWAY;
1235 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
1236 return;
1237 }
1238 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES);
984263bc
MD
1239 data = (data << 6) & status;
1240 if (!tulip_mii_map_abilities(sc, data))
1241 sc->tulip_flags &= ~TULIP_DIDNWAY;
1242 return;
1243 }
1244 default: {
1245#if defined(DIAGNOSTIC)
1246 panic("tulip_media_poll: botch at line %d\n", __LINE__);
1247#endif
1248 break;
1249 }
1250 }
984263bc 1251}
79fe23de 1252
984263bc 1253static void
79fe23de 1254tulip_2114x_media_preset(tulip_softc_t *sc)
984263bc
MD
1255{
1256 const tulip_media_info_t *mi = NULL;
1257 tulip_media_t media = sc->tulip_media;
1258
1259 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE)
1260 media = sc->tulip_media;
1261 else
1262 media = sc->tulip_probe_media;
1263
1264 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT;
1265 sc->tulip_flags &= ~TULIP_SQETEST;
1266 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) {
984263bc
MD
1267 mi = sc->tulip_mediums[media];
1268 if (mi->mi_type == TULIP_MEDIAINFO_MII) {
1269 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT;
1270 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR
1271 || mi->mi_type == TULIP_MEDIAINFO_SYM) {
1272 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS;
1273 sc->tulip_cmdmode |= mi->mi_cmdmode;
1274 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) {
1275 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET);
1276 }
984263bc
MD
1277 }
1278 switch (media) {
1279 case TULIP_MEDIA_BNC:
1280 case TULIP_MEDIA_AUI:
1281 case TULIP_MEDIA_10BASET: {
1282 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
1283 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL;
1284 sc->tulip_if.if_baudrate = 10000000;
1285 sc->tulip_flags |= TULIP_SQETEST;
1286 break;
1287 }
1288 case TULIP_MEDIA_10BASET_FD: {
1289 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL;
1290 sc->tulip_if.if_baudrate = 10000000;
1291 break;
1292 }
1293 case TULIP_MEDIA_100BASEFX:
1294 case TULIP_MEDIA_100BASET4:
1295 case TULIP_MEDIA_100BASETX: {
1296 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL);
1297 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT;
1298 sc->tulip_if.if_baudrate = 100000000;
1299 break;
1300 }
1301 case TULIP_MEDIA_100BASEFX_FD:
1302 case TULIP_MEDIA_100BASETX_FD: {
1303 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT;
1304 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL;
1305 sc->tulip_if.if_baudrate = 100000000;
1306 break;
1307 }
1308 default: {
1309 break;
1310 }
1311 }
1312 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
1313}
79fe23de 1314
984263bc
MD
1315/*
1316 ********************************************************************
1317 * Start of 21140/21140A support which does not use the MII interface
1318 */
79fe23de 1319
984263bc 1320static void
79fe23de 1321tulip_null_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event)
984263bc 1322{
984263bc 1323#if defined(DIAGNOSTIC)
b3e6c01b 1324 if_printf(&sc->tulip_if, "botch(media_poll) at line %d\n", __LINE__);
984263bc
MD
1325#endif
1326}
1327
79fe23de
JS
1328static void
1329tulip_21140_mediainit(tulip_softc_t *sc, tulip_media_info_t *mip,
1330 tulip_media_t media, u_int gpdata, u_int cmdmode)
984263bc
MD
1331{
1332 sc->tulip_mediums[media] = mip;
1333 mip->mi_type = TULIP_MEDIAINFO_GPR;
1334 mip->mi_cmdmode = cmdmode;
1335 mip->mi_gpdata = gpdata;
1336}
79fe23de 1337
984263bc 1338static void
79fe23de 1339tulip_21140_evalboard_media_probe(tulip_softc_t *sc)
984263bc
MD
1340{
1341 tulip_media_info_t *mip = sc->tulip_mediainfo;
1342
1343 sc->tulip_gpinit = TULIP_GP_EB_PINS;
1344 sc->tulip_gpdata = TULIP_GP_EB_INIT;
1345 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS);
1346 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT);
1347 TULIP_CSR_WRITE(sc, csr_command,
1348 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT |
1349 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
1350 TULIP_CSR_WRITE(sc, csr_command,
1351 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL);
1352 DELAY(1000000);
1353 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) {
1354 sc->tulip_media = TULIP_MEDIA_10BASET;
1355 } else {
1356 sc->tulip_media = TULIP_MEDIA_100BASETX;
1357 }
1358 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
1359 TULIP_GP_EB_INIT,
1360 TULIP_CMD_TXTHRSHLDCTL);
1361 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
1362 TULIP_GP_EB_INIT,
1363 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
1364 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
1365 TULIP_GP_EB_INIT,
1366 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1367 |TULIP_CMD_SCRAMBLER);
1368 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
1369 TULIP_GP_EB_INIT,
1370 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1371 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
1372}
1373
1374static const tulip_boardsw_t tulip_21140_eb_boardsw = {
1375 TULIP_21140_DEC_EB,
1376 tulip_21140_evalboard_media_probe,
1377 tulip_media_select,
1378 tulip_null_media_poll,
1379 tulip_2114x_media_preset,
1380};
79fe23de 1381
984263bc 1382static void
79fe23de 1383tulip_21140_accton_media_probe(tulip_softc_t *sc)
984263bc
MD
1384{
1385 tulip_media_info_t *mip = sc->tulip_mediainfo;
79fe23de 1386 u_int gpdata;
984263bc
MD
1387
1388 sc->tulip_gpinit = TULIP_GP_EB_PINS;
1389 sc->tulip_gpdata = TULIP_GP_EB_INIT;
1390 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS);
1391 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT);
1392 TULIP_CSR_WRITE(sc, csr_command,
1393 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT |
1394 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
1395 TULIP_CSR_WRITE(sc, csr_command,
1396 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL);
1397 DELAY(1000000);
1398 gpdata = TULIP_CSR_READ(sc, csr_gp);
1399 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) {
1400 sc->tulip_media = TULIP_MEDIA_10BASET;
1401 } else {
1402 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) {
1403 sc->tulip_media = TULIP_MEDIA_BNC;
1404 } else {
1405 sc->tulip_media = TULIP_MEDIA_100BASETX;
1406 }
1407 }
1408 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC,
1409 TULIP_GP_EN1207_BNC_INIT,
1410 TULIP_CMD_TXTHRSHLDCTL);
1411 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
1412 TULIP_GP_EN1207_UTP_INIT,
1413 TULIP_CMD_TXTHRSHLDCTL);
1414 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
1415 TULIP_GP_EN1207_UTP_INIT,
1416 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
1417 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
1418 TULIP_GP_EN1207_100_INIT,
1419 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1420 |TULIP_CMD_SCRAMBLER);
1421 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
1422 TULIP_GP_EN1207_100_INIT,
1423 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1424 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
1425}
1426
1427static const tulip_boardsw_t tulip_21140_accton_boardsw = {
1428 TULIP_21140_EN1207,
1429 tulip_21140_accton_media_probe,
1430 tulip_media_select,
1431 tulip_null_media_poll,
1432 tulip_2114x_media_preset,
1433};
79fe23de 1434
984263bc 1435static void
79fe23de 1436tulip_21140_smc9332_media_probe(tulip_softc_t *sc)
984263bc
MD
1437{
1438 tulip_media_info_t *mip = sc->tulip_mediainfo;
1439 int idx, cnt = 0;
1440
1441 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE);
1442 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
1443 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at
1444 33MHz that comes to two microseconds but wait a
1445 bit longer anyways) */
1446 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT |
1447 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
1448 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS;
1449 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT;
1450 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET);
1451 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT);
1452 DELAY(200000);
1453 for (idx = 1000; idx > 0; idx--) {
1454 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp);
1455 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) {
1456 if (++cnt > 100)
1457 break;
1458 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) {
1459 break;
1460 } else {
1461 cnt = 0;
1462 }
1463 DELAY(1000);
1464 }
1465 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET;
1466 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
1467 TULIP_GP_SMC_9332_INIT,
1468 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1469 |TULIP_CMD_SCRAMBLER);
1470 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
1471 TULIP_GP_SMC_9332_INIT,
1472 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1473 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
1474 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
1475 TULIP_GP_SMC_9332_INIT,
1476 TULIP_CMD_TXTHRSHLDCTL);
1477 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
1478 TULIP_GP_SMC_9332_INIT,
1479 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
1480}
1481
1482static const tulip_boardsw_t tulip_21140_smc9332_boardsw = {
1483 TULIP_21140_SMC_9332,
1484 tulip_21140_smc9332_media_probe,
1485 tulip_media_select,
1486 tulip_null_media_poll,
1487 tulip_2114x_media_preset,
1488};
79fe23de 1489
984263bc 1490static void
79fe23de 1491tulip_21140_cogent_em100_media_probe(tulip_softc_t *sc)
984263bc
MD
1492{
1493 tulip_media_info_t *mip = sc->tulip_mediainfo;
79fe23de 1494 uint32_t cmdmode = TULIP_CSR_READ(sc, csr_command);
984263bc
MD
1495
1496 sc->tulip_gpinit = TULIP_GP_EM100_PINS;
1497 sc->tulip_gpdata = TULIP_GP_EM100_INIT;
1498 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS);
1499 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT);
1500
1501 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE;
1502 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER);
1503 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) {
1504 TULIP_CSR_WRITE(sc, csr_command, cmdmode);
1505 sc->tulip_media = TULIP_MEDIA_100BASEFX;
1506
1507 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX,
1508 TULIP_GP_EM100_INIT,
1509 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION);
1510 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD,
1511 TULIP_GP_EM100_INIT,
1512 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1513 |TULIP_CMD_FULLDUPLEX);
1514 } else {
1515 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER);
1516 sc->tulip_media = TULIP_MEDIA_100BASETX;
1517 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
1518 TULIP_GP_EM100_INIT,
1519 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1520 |TULIP_CMD_SCRAMBLER);
1521 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
1522 TULIP_GP_EM100_INIT,
1523 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1524 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
1525 }
1526}
1527
1528static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = {
1529 TULIP_21140_COGENT_EM100,
1530 tulip_21140_cogent_em100_media_probe,
1531 tulip_media_select,
1532 tulip_null_media_poll,
1533 tulip_2114x_media_preset
1534};
79fe23de 1535
984263bc 1536static void
79fe23de 1537tulip_21140_znyx_zx34x_media_probe(tulip_softc_t *sc)
984263bc
MD
1538{
1539 tulip_media_info_t *mip = sc->tulip_mediainfo;
1540 int cnt10 = 0, cnt100 = 0, idx;
1541
1542 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS;
1543 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT;
1544 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS);
1545 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT);
1546 TULIP_CSR_WRITE(sc, csr_command,
1547 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT |
1548 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
1549 TULIP_CSR_WRITE(sc, csr_command,
1550 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL);
1551
1552 DELAY(200000);
1553 for (idx = 1000; idx > 0; idx--) {
79fe23de 1554 uint32_t csr = TULIP_CSR_READ(sc, csr_gp);
984263bc
MD
1555 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)) {
1556 if (++cnt100 > 100)
1557 break;
1558 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) {
1559 if (++cnt10 > 100)
1560 break;
1561 } else {
1562 cnt10 = 0;
1563 cnt100 = 0;
1564 }
1565 DELAY(1000);
1566 }
1567 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET;
1568 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
1569 TULIP_GP_ZX34X_INIT,
1570 TULIP_CMD_TXTHRSHLDCTL);
1571 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
1572 TULIP_GP_ZX34X_INIT,
1573 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
1574 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
1575 TULIP_GP_ZX34X_INIT,
1576 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1577 |TULIP_CMD_SCRAMBLER);
1578 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
1579 TULIP_GP_ZX34X_INIT,
1580 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1581 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
1582}
1583
1584static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = {
1585 TULIP_21140_ZNYX_ZX34X,
1586 tulip_21140_znyx_zx34x_media_probe,
1587 tulip_media_select,
1588 tulip_null_media_poll,
1589 tulip_2114x_media_preset,
1590};
79fe23de 1591
984263bc 1592static void
79fe23de 1593tulip_2114x_media_probe(tulip_softc_t *sc)
984263bc 1594{
79fe23de
JS
1595 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE | TULIP_CMD_BACKOFFCTR |
1596 TULIP_CMD_THRSHLD72;
984263bc
MD
1597}
1598
1599static const tulip_boardsw_t tulip_2114x_isv_boardsw = {
1600 TULIP_21140_ISV,
1601 tulip_2114x_media_probe,
1602 tulip_media_select,
1603 tulip_media_poll,
1604 tulip_2114x_media_preset,
1605};
79fe23de 1606
984263bc
MD
1607/*
1608 * ******** END of chip-specific handlers. ***********
1609 */
79fe23de 1610
984263bc
MD
1611/*
1612 * Code the read the SROM and MII bit streams (I2C)
1613 */
79fe23de
JS
1614#define EMIT do { \
1615 TULIP_CSR_WRITE(sc, csr_srom_mii, csr); \
1616 DELAY(1); \
1617} while (0)
984263bc
MD
1618
1619static void
79fe23de 1620tulip_srom_idle(tulip_softc_t *sc)
984263bc 1621{
79fe23de 1622 u_int bit, csr;
984263bc
MD
1623
1624 csr = SROMSEL ; EMIT;
1625 csr = SROMSEL | SROMRD; EMIT;
1626 csr ^= SROMCS; EMIT;
1627 csr ^= SROMCLKON; EMIT;
1628
1629 /*
1630 * Write 25 cycles of 0 which will force the SROM to be idle.
1631 */
1632 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) {
1633 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */
1634 csr ^= SROMCLKON; EMIT; /* clock high; data valid */
1635 }
1636 csr ^= SROMCLKOFF; EMIT;
1637 csr ^= SROMCS; EMIT;
1638 csr = 0; EMIT;
1639}
1640
1641
1642static void
79fe23de 1643tulip_srom_read(tulip_softc_t *sc)
984263bc 1644{
79fe23de
JS
1645 const u_int bitwidth = SROM_BITWIDTH;
1646 const u_int cmdmask = (SROMCMD_RD << bitwidth);
1647 const u_int msb = 1 << (bitwidth + 3 - 1);
1648 u_int idx, lastidx = (1 << bitwidth) - 1;
984263bc
MD
1649
1650 tulip_srom_idle(sc);
1651
1652 for (idx = 0; idx <= lastidx; idx++) {
79fe23de 1653 u_int lastbit, data, bits, bit, csr;
984263bc
MD
1654 csr = SROMSEL ; EMIT;
1655 csr = SROMSEL | SROMRD; EMIT;
1656 csr ^= SROMCSON; EMIT;
1657 csr ^= SROMCLKON; EMIT;
1658
1659 lastbit = 0;
1660 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) {
79fe23de 1661 u_int thisbit = bits & msb;
984263bc
MD
1662 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */
1663 if (thisbit != lastbit) {
1664 csr ^= SROMDOUT; EMIT; /* clock low; invert data */
1665 } else {
1666 EMIT;
1667 }
1668 csr ^= SROMCLKON; EMIT; /* clock high; data valid */
1669 lastbit = thisbit;
1670 }
1671 csr ^= SROMCLKOFF; EMIT;
1672
1673 for (data = 0, bits = 0; bits < 16; bits++) {
1674 data <<= 1;
1675 csr ^= SROMCLKON; EMIT; /* clock high; data valid */
1676 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0;
1677 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */
1678 }
1679 sc->tulip_rombuf[idx*2] = data & 0xFF;
1680 sc->tulip_rombuf[idx*2+1] = data >> 8;
1681 csr = SROMSEL | SROMRD; EMIT;
1682 csr = 0; EMIT;
1683 }
1684 tulip_srom_idle(sc);
1685}
79fe23de
JS
1686
1687#define MII_EMIT do { \
1688 TULIP_CSR_WRITE(sc, csr_srom_mii, csr); \
1689 DELAY(1); \
1690} while (0)
984263bc
MD
1691
1692static void
79fe23de 1693tulip_mii_writebits(tulip_softc_t *sc, u_int data, u_int bits)
984263bc 1694{
79fe23de 1695 u_int csr, msb, lastbit;
984263bc 1696
79fe23de
JS
1697 msb = 1 << (bits - 1);
1698 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
1699 lastbit = (csr & MII_DOUT) ? msb : 0;
984263bc
MD
1700 csr |= MII_WR; MII_EMIT; /* clock low; assert write */
1701
1702 for (; bits > 0; bits--, data <<= 1) {
1703 const unsigned thisbit = data & msb;
1704 if (thisbit != lastbit) {
1705 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */
1706 }
1707 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */
1708 lastbit = thisbit;
1709 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */
1710 }
1711}
1712
1713static void
79fe23de 1714tulip_mii_turnaround(tulip_softc_t *sc, u_int cmd)
984263bc 1715{
79fe23de
JS
1716 u_int csr;
1717
1718 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
984263bc
MD
1719
1720 if (cmd == MII_WRCMD) {
1721 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */
1722 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */
1723 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */
1724 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */
1725 } else {
1726 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */
1727 }
1728 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */
1729 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */
1730}
1731
79fe23de
JS
1732static u_int
1733tulip_mii_readbits(tulip_softc_t *sc)
984263bc 1734{
79fe23de
JS
1735 u_int csr, data, idx;
1736
1737 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
984263bc
MD
1738
1739 for (idx = 0, data = 0; idx < 16; idx++) {
1740 data <<= 1; /* this is NOOP on the first pass through */
1741 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */
1742 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN)
1743 data |= 1;
1744 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */
1745 }
1746 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */
1747
1748 return data;
1749}
1750
79fe23de
JS
1751static u_int
1752tulip_mii_readreg(tulip_softc_t *sc, u_int devaddr, u_int regno)
984263bc 1753{
79fe23de
JS
1754 u_int csr;
1755 u_int data;
984263bc 1756
79fe23de 1757 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
984263bc
MD
1758 csr &= ~(MII_RD|MII_CLK); MII_EMIT;
1759 tulip_mii_writebits(sc, MII_PREAMBLE, 32);
1760 tulip_mii_writebits(sc, MII_RDCMD, 8);
1761 tulip_mii_writebits(sc, devaddr, 5);
1762 tulip_mii_writebits(sc, regno, 5);
1763 tulip_mii_turnaround(sc, MII_RDCMD);
1764
1765 data = tulip_mii_readbits(sc);
984263bc
MD
1766 return data;
1767}
1768
1769static void
79fe23de 1770tulip_mii_writereg(tulip_softc_t *sc, u_int devaddr, u_int regno, u_int data)
984263bc 1771{
79fe23de
JS
1772 u_int csr;
1773
1774 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
984263bc
MD
1775 csr &= ~(MII_RD|MII_CLK); MII_EMIT;
1776 tulip_mii_writebits(sc, MII_PREAMBLE, 32);
1777 tulip_mii_writebits(sc, MII_WRCMD, 8);
1778 tulip_mii_writebits(sc, devaddr, 5);
1779 tulip_mii_writebits(sc, regno, 5);
1780 tulip_mii_turnaround(sc, MII_WRCMD);
1781 tulip_mii_writebits(sc, data, 16);
984263bc 1782}
79fe23de 1783
18261b0d 1784#define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF)
984263bc 1785#define tulip_srom_crcok(databuf) ( \
18261b0d 1786 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \
984263bc 1787 ((databuf)[126] | ((databuf)[127] << 8)))
984263bc
MD
1788\f
1789static void
79fe23de 1790tulip_identify_dec_nic(tulip_softc_t *sc)
984263bc
MD
1791{
1792 strcpy(sc->tulip_boardid, "DEC ");
1793#define D0 4
1794 if (sc->tulip_chipid <= TULIP_21040)
1795 return;
1796 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0
1797 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) {
1798 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8);
1799 sc->tulip_boardid[D0+8] = ' ';
1800 }
1801#undef D0
1802}
79fe23de 1803
984263bc 1804static void
79fe23de 1805tulip_identify_znyx_nic(tulip_softc_t * const sc)
984263bc 1806{
79fe23de 1807 u_int id = 0;
984263bc
MD
1808 strcpy(sc->tulip_boardid, "ZNYX ZX3XX ");
1809 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) {
79fe23de 1810 u_int znyx_ptr;
984263bc
MD
1811 sc->tulip_boardid[8] = '4';
1812 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125];
1813 if (znyx_ptr < 26 || znyx_ptr > 116) {
1814 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
1815 return;
1816 }
1817 /* ZX344 = 0010 .. 0013FF
1818 */
1819 if (sc->tulip_rombuf[znyx_ptr] == 0x4A
1820 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52
1821 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) {
1822 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4];
1823 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) {
1824 sc->tulip_boardid[9] = '2';
1825 if (id == TULIP_ZNYX_ID_ZX342B) {
1826 sc->tulip_boardid[10] = 'B';
1827 sc->tulip_boardid[11] = ' ';
1828 }
1829 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
1830 } else if (id == TULIP_ZNYX_ID_ZX344) {
1831 sc->tulip_boardid[10] = '4';
1832 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
1833 } else if (id == TULIP_ZNYX_ID_ZX345) {
1834 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5';
1835 } else if (id == TULIP_ZNYX_ID_ZX346) {
1836 sc->tulip_boardid[9] = '6';
1837 } else if (id == TULIP_ZNYX_ID_ZX351) {
1838 sc->tulip_boardid[8] = '5';
1839 sc->tulip_boardid[9] = '1';
1840 }
1841 }
1842 if (id == 0) {
1843 /*
1844 * Assume it's a ZX342...
1845 */
1846 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
1847 }
1848 return;
1849 }
1850 sc->tulip_boardid[8] = '1';
1851 if (sc->tulip_chipid == TULIP_21041) {
1852 sc->tulip_boardid[10] = '1';
1853 return;
1854 }
1855 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) {
1856 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36];
1857 if (id == TULIP_ZNYX_ID_ZX312T) {
1858 sc->tulip_boardid[9] = '2';
1859 sc->tulip_boardid[10] = 'T';
1860 sc->tulip_boardid[11] = ' ';
1861 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
1862 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) {
1863 sc->tulip_boardid[9] = '4';
1864 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
1865 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
1866 } else if (id == TULIP_ZNYX_ID_ZX314) {
1867 sc->tulip_boardid[9] = '4';
1868 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
1869 sc->tulip_features |= TULIP_HAVE_BASEROM;
1870 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) {
1871 sc->tulip_boardid[9] = '5';
1872 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
1873 } else if (id == TULIP_ZNYX_ID_ZX315) {
1874 sc->tulip_boardid[9] = '5';
1875 sc->tulip_features |= TULIP_HAVE_BASEROM;
1876 } else {
1877 id = 0;
1878 }
1879 }
1880 if (id == 0) {
1881 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) {
1882 sc->tulip_boardid[9] = '4';
1883 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
1884 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
1885 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) {
1886 sc->tulip_boardid[9] = '5';
1887 sc->tulip_boardsw = &tulip_21040_boardsw;
1888 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
1889 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) {
1890 sc->tulip_boardid[9] = '2';
1891 sc->tulip_boardsw = &tulip_21040_boardsw;
1892 }
1893 }
1894}
79fe23de 1895
984263bc 1896static void
79fe23de 1897tulip_identify_smc_nic(tulip_softc_t * const sc)
984263bc 1898{
79fe23de 1899 uint32_t id1, id2, ei;
984263bc
MD
1900 int auibnc = 0, utp = 0;
1901 char *cp;
1902
1903 strcpy(sc->tulip_boardid, "SMC ");
1904 if (sc->tulip_chipid == TULIP_21041)
1905 return;
1906 if (sc->tulip_chipid != TULIP_21040) {
1907 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) {
1908 strcpy(&sc->tulip_boardid[4], "9332DST ");
1909 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw;
1910 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) {
1911 strcpy(&sc->tulip_boardid[4], "9334BDT ");
1912 } else {
1913 strcpy(&sc->tulip_boardid[4], "9332BDT ");
1914 }
1915 return;
1916 }
1917 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8);
1918 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8);
1919 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8);
1920
1921 strcpy(&sc->tulip_boardid[4], "8432");
1922 cp = &sc->tulip_boardid[8];
1923 if ((id1 & 1) == 0)
1924 *cp++ = 'B', auibnc = 1;
1925 if ((id1 & 0xFF) > 0x32)
1926 *cp++ = 'T', utp = 1;
1927 if ((id1 & 0x4000) == 0)
1928 *cp++ = 'A', auibnc = 1;
1929 if (id2 == 0x15) {
1930 sc->tulip_boardid[7] = '4';
1931 *cp++ = '-';
1932 *cp++ = 'C';
1933 *cp++ = 'H';
1934 *cp++ = (ei ? '2' : '1');
1935 }
1936 *cp++ = ' ';
1937 *cp = '\0';
1938 if (utp && !auibnc)
1939 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
1940 else if (!utp && auibnc)
1941 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw;
1942}
79fe23de 1943
984263bc 1944static void
79fe23de 1945tulip_identify_cogent_nic(tulip_softc_t * const sc)
984263bc
MD
1946{
1947 strcpy(sc->tulip_boardid, "Cogent ");
1948 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) {
1949 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) {
1950 strcat(sc->tulip_boardid, "EM100TX ");
1951 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw;
1952#if defined(TULIP_COGENT_EM110TX_ID)
1953 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) {
1954 strcat(sc->tulip_boardid, "EM110TX ");
1955 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw;
1956#endif
1957 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) {
1958 strcat(sc->tulip_boardid, "EM100FX ");
1959 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw;
1960 }
1961 /*
1962 * Magic number (0x24001109U) is the SubVendor (0x2400) and
1963 * SubDevId (0x1109) for the ANA6944TX (EM440TX).
1964 */
79fe23de 1965 if (*(uint32_t *) sc->tulip_rombuf == 0x24001109U
984263bc
MD
1966 && (sc->tulip_features & TULIP_HAVE_BASEROM)) {
1967 /*
1968 * Cogent (Adaptec) is still mapping all INTs to INTA of
1969 * first 21140. Dumb! Dumb!
1970 */
1971 strcat(sc->tulip_boardid, "EM440TX ");
1972 sc->tulip_features |= TULIP_HAVE_SHAREDINTR;
1973 }
1974 } else if (sc->tulip_chipid == TULIP_21040) {
1975 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
1976 }
1977}
79fe23de 1978
984263bc 1979static void
79fe23de 1980tulip_identify_accton_nic(tulip_softc_t * const sc)
984263bc
MD
1981{
1982 strcpy(sc->tulip_boardid, "ACCTON ");
1983 switch (sc->tulip_chipid) {
1984 case TULIP_21140A:
1985 strcat(sc->tulip_boardid, "EN1207 ");
1986 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw)
1987 sc->tulip_boardsw = &tulip_21140_accton_boardsw;
1988 break;
1989 case TULIP_21140:
1990 strcat(sc->tulip_boardid, "EN1207TX ");
1991 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw)
1992 sc->tulip_boardsw = &tulip_21140_eb_boardsw;
1993 break;
1994 case TULIP_21040:
1995 strcat(sc->tulip_boardid, "EN1203 ");
1996 sc->tulip_boardsw = &tulip_21040_boardsw;
1997 break;
1998 case TULIP_21041:
1999 strcat(sc->tulip_boardid, "EN1203 ");
2000 sc->tulip_boardsw = &tulip_21041_boardsw;
2001 break;
2002 default:
2003 sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
2004 break;
2005 }
2006}
79fe23de 2007
984263bc 2008static void
79fe23de 2009tulip_identify_asante_nic(tulip_softc_t * const sc)
984263bc
MD
2010{
2011 strcpy(sc->tulip_boardid, "Asante ");
2012 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A)
2013 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) {
2014 tulip_media_info_t *mi = sc->tulip_mediainfo;
2015 int idx;
2016 /*
2017 * The Asante Fast Ethernet doesn't always ship with a valid
2018 * new format SROM. So if isn't in the new format, we cheat
2019 * set it up as if we had.
2020 */
2021
2022 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS;
2023 sc->tulip_gpdata = 0;
2024
2025 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET);
2026 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET);
2027 DELAY(100);
2028 TULIP_CSR_WRITE(sc, csr_gp, 0);
2029
2030 mi->mi_type = TULIP_MEDIAINFO_MII;
2031 mi->mi_gpr_length = 0;
2032 mi->mi_gpr_offset = 0;
2033 mi->mi_reset_length = 0;
2034 mi->mi_reset_offset = 0;;
2035
2036 mi->mi_phyaddr = TULIP_MII_NOPHY;
2037 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) {
2038 DELAY(10000);
2039 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0);
2040 }
2041 if (mi->mi_phyaddr == TULIP_MII_NOPHY) {
b3e6c01b 2042 if_printf(&sc->tulip_if, "can't find phy 0\n");
984263bc
MD
2043 return;
2044 }
2045
2046 sc->tulip_features |= TULIP_HAVE_MII;
2047 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD;
2048 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD;
2049 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD;
2050 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD;
2051 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD);
2052 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX);
2053 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4);
2054 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD);
2055 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET);
2056 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) |
2057 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH);
2058
2059 sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
2060 }
2061}
79fe23de 2062
984263bc 2063static void
79fe23de 2064tulip_identify_compex_nic(tulip_softc_t *sc)
984263bc
MD
2065{
2066 strcpy(sc->tulip_boardid, "COMPEX ");
2067 if (sc->tulip_chipid == TULIP_21140A) {
2068 int root_unit;
2069 tulip_softc_t *root_sc = NULL;
2070
2071 strcat(sc->tulip_boardid, "400TX/PCI ");
2072 /*
2073 * All 4 chips on these boards share an interrupt. This code
2074 * copied from tulip_read_macaddr.
2075 */
2076 sc->tulip_features |= TULIP_HAVE_SHAREDINTR;
b3e6c01b 2077 for (root_unit = device_get_unit(sc->tulip_dev) - 1; root_unit >= 0; root_unit--) {
984263bc
MD
2078 root_sc = tulips[root_unit];
2079 if (root_sc == NULL
2080 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR))
2081 break;
2082 root_sc = NULL;
2083 }
2084 if (root_sc != NULL
2085 && root_sc->tulip_chipid == sc->tulip_chipid
2086 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) {
2087 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR;
2088 sc->tulip_slaves = root_sc->tulip_slaves;
2089 root_sc->tulip_slaves = sc;
2090 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) {
b3e6c01b 2091 if_printf(&sc->tulip_if, "can't find master device for interrupts");
984263bc
MD
2092 }
2093 } else {
2094 strcat(sc->tulip_boardid, "unknown ");
2095 }
2096 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */
2097 return;
2098}
2099\f
2100static int
79fe23de 2101tulip_srom_decode(tulip_softc_t *sc)
984263bc 2102{
79fe23de 2103 u_int idx1, idx2, idx3;
984263bc
MD
2104
2105 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0];
2106 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1);
2107 tulip_srom_media_t srom_media;
2108 tulip_media_info_t *mi = sc->tulip_mediainfo;
79fe23de
JS
2109 const uint8_t *dp;
2110 uint32_t leaf_offset, blocks, data;
984263bc
MD
2111
2112 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) {
2113 if (shp->sh_adapter_count == 1)
2114 break;
2115 if (saip->sai_device == sc->tulip_pci_devno)
2116 break;
2117 }
2118 /*
2119 * Didn't find the right media block for this card.
2120 */
2121 if (idx1 == shp->sh_adapter_count)
2122 return 0;
2123
2124 /*
2125 * Save the hardware address.
2126 */
2127 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6);
2128 /*
2129 * If this is a multiple port card, add the adapter index to the last
2130 * byte of the hardware address. (if it isn't multiport, adding 0
2131 * won't hurt.
2132 */
2133 sc->tulip_enaddr[5] += idx1;
2134
2135 leaf_offset = saip->sai_leaf_offset_lowbyte
2136 + saip->sai_leaf_offset_highbyte * 256;
2137 dp = sc->tulip_rombuf + leaf_offset;
2138
2139 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2;
2140
2141 for (idx2 = 0;; idx2++) {
2142 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype
2143 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED)
2144 break;
2145 }
2146 sc->tulip_connidx = idx2;
2147
2148 if (sc->tulip_chipid == TULIP_21041) {
2149 blocks = *dp++;
2150 for (idx2 = 0; idx2 < blocks; idx2++) {
2151 tulip_media_t media;
2152 data = *dp++;
2153 srom_media = (tulip_srom_media_t) (data & 0x3F);
2154 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
2155 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
2156 break;
2157 }
2158 media = tulip_srom_mediums[idx3].sm_type;
2159 if (media != TULIP_MEDIA_UNKNOWN) {
2160 if (data & TULIP_SROM_21041_EXTENDED) {
2161 mi->mi_type = TULIP_MEDIAINFO_SIA;
2162 sc->tulip_mediums[media] = mi;
2163 mi->mi_sia_connectivity = dp[0] + dp[1] * 256;
2164 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256;
2165 mi->mi_sia_general = dp[4] + dp[5] * 256;
2166 mi++;
2167 } else {
2168 switch (media) {
2169 case TULIP_MEDIA_BNC: {
2170 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC);
2171 mi++;
2172 break;
2173 }
2174 case TULIP_MEDIA_AUI: {
2175 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI);
2176 mi++;
2177 break;
2178 }
2179 case TULIP_MEDIA_10BASET: {
2180 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET);
2181 mi++;
2182 break;
2183 }
2184 case TULIP_MEDIA_10BASET_FD: {
2185 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD);
2186 mi++;
2187 break;
2188 }
2189 default: {
2190 break;
2191 }
2192 }
2193 }
2194 }
2195 if (data & TULIP_SROM_21041_EXTENDED)
2196 dp += 6;
2197 }
2198#ifdef notdef
2199 if (blocks == 0) {
2200 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++;
2201 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++;
2202 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++;
2203 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++;
2204 }
2205#endif
2206 } else {
2207 unsigned length, type;
2208 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN;
2209 if (sc->tulip_features & TULIP_HAVE_GPR)
2210 sc->tulip_gpinit = *dp++;
2211 blocks = *dp++;
2212 for (idx2 = 0; idx2 < blocks; idx2++) {
79fe23de 2213 const uint8_t *ep;
984263bc
MD
2214 if ((*dp & 0x80) == 0) {
2215 length = 4;
2216 type = 0;
2217 } else {
2218 length = (*dp++ & 0x7f) - 1;
2219 type = *dp++ & 0x3f;
2220 }
2221 ep = dp + length;
2222 switch (type & 0x3f) {
2223 case 0: { /* 21140[A] GPR block */
2224 tulip_media_t media;
2225 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f);
2226 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
2227 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
2228 break;
2229 }
2230 media = tulip_srom_mediums[idx3].sm_type;
2231 if (media == TULIP_MEDIA_UNKNOWN)
2232 break;
2233 mi->mi_type = TULIP_MEDIAINFO_GPR;
2234 sc->tulip_mediums[media] = mi;
2235 mi->mi_gpdata = dp[1];
2236 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) {
2237 sc->tulip_gpdata = mi->mi_gpdata;
2238 gp_media = media;
2239 }
2240 data = dp[2] + dp[3] * 256;
2241 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data);
2242 if (data & TULIP_SROM_2114X_NOINDICATOR) {
2243 mi->mi_actmask = 0;
2244 } else {
2245#if 0
2246 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0;
2247#endif
2248 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data);
2249 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask;
2250 }
2251 mi++;
2252 break;
2253 }
2254 case 1: { /* 21140[A] MII block */
79fe23de 2255 const u_int phyno = *dp++;
984263bc
MD
2256 mi->mi_type = TULIP_MEDIAINFO_MII;
2257 mi->mi_gpr_length = *dp++;
2258 mi->mi_gpr_offset = dp - sc->tulip_rombuf;
2259 dp += mi->mi_gpr_length;
2260 mi->mi_reset_length = *dp++;
2261 mi->mi_reset_offset = dp - sc->tulip_rombuf;
2262 dp += mi->mi_reset_length;
2263
2264 /*
2265 * Before we probe for a PHY, use the GPR information
2266 * to select it. If we don't, it may be inaccessible.
2267 */
2268 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET);
2269 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) {
2270 DELAY(10);
2271 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]);
2272 }
2273 sc->tulip_phyaddr = mi->mi_phyaddr;
2274 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) {
2275 DELAY(10);
2276 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]);
2277 }
2278
2279 /*
2280 * At least write something!
2281 */
2282 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0)
2283 TULIP_CSR_WRITE(sc, csr_gp, 0);
2284
2285 mi->mi_phyaddr = TULIP_MII_NOPHY;
2286 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) {
2287 DELAY(10000);
2288 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno);
2289 }
46a77a85 2290 if (mi->mi_phyaddr == TULIP_MII_NOPHY)
984263bc 2291 break;
984263bc
MD
2292 sc->tulip_features |= TULIP_HAVE_MII;
2293 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2;
2294 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2;
2295 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2;
2296 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2;
2297 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD);
2298 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX);
2299 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4);
2300 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD);
2301 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET);
2302 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) |
2303 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH);
2304 mi++;
2305 break;
2306 }
2307 case 2: { /* 2114[23] SIA block */
2308 tulip_media_t media;
2309 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f);
2310 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
2311 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
2312 break;
2313 }
2314 media = tulip_srom_mediums[idx3].sm_type;
2315 if (media == TULIP_MEDIA_UNKNOWN)
2316 break;
2317 mi->mi_type = TULIP_MEDIAINFO_SIA;
2318 sc->tulip_mediums[media] = mi;
2319 if (dp[0] & 0x40) {
2320 mi->mi_sia_connectivity = dp[1] + dp[2] * 256;
2321 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256;
2322 mi->mi_sia_general = dp[5] + dp[6] * 256;
2323 dp += 6;
2324 } else {
2325 switch (media) {
2326 case TULIP_MEDIA_BNC: {
2327 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC);
2328 break;
2329 }
2330 case TULIP_MEDIA_AUI: {
2331 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI);
2332 break;
2333 }
2334 case TULIP_MEDIA_10BASET: {
2335 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET);
2336 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
2337 break;
2338 }
2339 case TULIP_MEDIA_10BASET_FD: {
2340 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD);
2341 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
2342 break;
2343 }
2344 default: {
2345 goto bad_media;
2346 }
2347 }
2348 }
2349 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16;
2350 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16;
2351 mi++;
2352 bad_media:
2353 break;
2354 }
2355 case 3: { /* 2114[23] MII PHY block */
79fe23de
JS
2356 const u_int phyno = *dp++;
2357 const uint8_t *dp0;
984263bc
MD
2358 mi->mi_type = TULIP_MEDIAINFO_MII;
2359 mi->mi_gpr_length = *dp++;
2360 mi->mi_gpr_offset = dp - sc->tulip_rombuf;
2361 dp += 2 * mi->mi_gpr_length;
2362 mi->mi_reset_length = *dp++;
2363 mi->mi_reset_offset = dp - sc->tulip_rombuf;
2364 dp += 2 * mi->mi_reset_length;
2365
2366 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset];
2367 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) {
2368 DELAY(10);
2369 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16);
2370 }
2371 sc->tulip_phyaddr = mi->mi_phyaddr;
2372 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset];
2373 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) {
2374 DELAY(10);
2375 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16);
2376 }
2377
2378 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0)
2379 TULIP_CSR_WRITE(sc, csr_sia_general, 0);
2380
2381 mi->mi_phyaddr = TULIP_MII_NOPHY;
2382 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) {
2383 DELAY(10000);
2384 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno);
2385 }
46a77a85 2386 if (mi->mi_phyaddr == TULIP_MII_NOPHY)
984263bc 2387 break;
984263bc
MD
2388 sc->tulip_features |= TULIP_HAVE_MII;
2389 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2;
2390 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2;
2391 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2;
2392 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2;
2393 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2;
2394 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD);
2395 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX);
2396 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4);
2397 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD);
2398 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET);
2399 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) |
2400 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH);
2401 mi++;
2402 break;
2403 }
2404 case 4: { /* 21143 SYM block */
2405 tulip_media_t media;
2406 srom_media = (tulip_srom_media_t) dp[0];
2407 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
2408 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
2409 break;
2410 }
2411 media = tulip_srom_mediums[idx3].sm_type;
2412 if (media == TULIP_MEDIA_UNKNOWN)
2413 break;
2414 mi->mi_type = TULIP_MEDIAINFO_SYM;
2415 sc->tulip_mediums[media] = mi;
2416 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16;
2417 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16;
2418 data = dp[5] + dp[6] * 256;
2419 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data);
2420 if (data & TULIP_SROM_2114X_NOINDICATOR) {
2421 mi->mi_actmask = 0;
2422 } else {
2423 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0;
2424 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data);
2425 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask;
2426 }
2427 if (TULIP_IS_MEDIA_TP(media))
2428 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
2429 mi++;
2430 break;
2431 }
2432#if 0
2433 case 5: { /* 21143 Reset block */
2434 mi->mi_type = TULIP_MEDIAINFO_RESET;
2435 mi->mi_reset_length = *dp++;
2436 mi->mi_reset_offset = dp - sc->tulip_rombuf;
2437 dp += 2 * mi->mi_reset_length;
2438 mi++;
2439 break;
2440 }
2441#endif
2442 default: {
2443 }
2444 }
2445 dp = ep;
2446 }
2447 }
2448 return mi - sc->tulip_mediainfo;
2449}
2450\f
2451static const struct {
2452 void (*vendor_identify_nic)(tulip_softc_t * const sc);
2453 unsigned char vendor_oui[3];
2454} tulip_vendors[] = {
2455 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } },
2456 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } },
2457 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } },
2458 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } },
2459 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } },
2460 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } },
2461 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } },
2462 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } },
2463 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } },
2464 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } },
2465 { NULL }
2466};
2467
2468/*
2469 * This deals with the vagaries of the address roms and the
2470 * brain-deadness that various vendors commit in using them.
2471 */
2472static int
79fe23de 2473tulip_read_macaddr(tulip_softc_t *sc)
984263bc 2474{
79fe23de
JS
2475 u_int cksum, rom_cksum, idx;
2476 uint32_t csr;
984263bc
MD
2477 unsigned char tmpbuf[8];
2478 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA };
2479
2480 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX;
2481
2482 if (sc->tulip_chipid == TULIP_21040) {
2483 TULIP_CSR_WRITE(sc, csr_enetrom, 1);
2484 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) {
2485 int cnt = 0;
2486 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000)
2487 cnt++;
2488 sc->tulip_rombuf[idx] = csr & 0xFF;
2489 }
2490 sc->tulip_boardsw = &tulip_21040_boardsw;
2491 } else {
2492 if (sc->tulip_chipid == TULIP_21041) {
2493 /*
2494 * Thankfully all 21041's act the same.
2495 */
2496 sc->tulip_boardsw = &tulip_21041_boardsw;
2497 } else {
2498 /*
2499 * Assume all 21140 board are compatible with the
2500 * DEC 10/100 evaluation board. Not really valid but
2501 * it's the best we can do until every one switches to
2502 * the new SROM format.
2503 */
2504
2505 sc->tulip_boardsw = &tulip_21140_eb_boardsw;
2506 }
2507 tulip_srom_read(sc);
2508 if (tulip_srom_crcok(sc->tulip_rombuf)) {
2509 /*
2510 * SROM CRC is valid therefore it must be in the
2511 * new format.
2512 */
2513 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM;
2514 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) {
2515 /*
2516 * No checksum is present. See if the SROM id checks out;
2517 * the first 18 bytes should be 0 followed by a 1 followed
2518 * by the number of adapters (which we don't deal with yet).
2519 */
2520 for (idx = 0; idx < 18; idx++) {
2521 if (sc->tulip_rombuf[idx] != 0)
2522 break;
2523 }
2524 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0)
2525 sc->tulip_features |= TULIP_HAVE_ISVSROM;
2526 } else if (sc->tulip_chipid >= TULIP_21142) {
2527 sc->tulip_features |= TULIP_HAVE_ISVSROM;
2528 sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
2529 }
2530 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) {
2531 if (sc->tulip_chipid != TULIP_21041)
2532 sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
2533
2534 /*
2535 * If the SROM specifies more than one adapter, tag this as a
2536 * BASE rom.
2537 */
2538 if (sc->tulip_rombuf[19] > 1)
2539 sc->tulip_features |= TULIP_HAVE_BASEROM;
2540 if (sc->tulip_boardsw == NULL)
2541 return -6;
2542 goto check_oui;
2543 }
2544 }
2545
2546
2547 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) {
2548 /*
2549 * Some folks don't use the standard ethernet rom format
2550 * but instead just put the address in the first 6 bytes
2551 * of the rom and let the rest be all 0xffs. (Can we say
2552 * ZNYX?) (well sometimes they put in a checksum so we'll
2553 * start at 8).
2554 */
2555 for (idx = 8; idx < 32; idx++) {
2556 if (sc->tulip_rombuf[idx] != 0xFF)
2557 return -4;
2558 }
2559 /*
2560 * Make sure the address is not multicast or locally assigned
2561 * that the OUI is not 00-00-00.
2562 */
2563 if ((sc->tulip_rombuf[0] & 3) != 0)
2564 return -4;
2565 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0
2566 && sc->tulip_rombuf[2] == 0)
2567 return -4;
2568 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6);
2569 sc->tulip_features |= TULIP_HAVE_OKROM;
2570 goto check_oui;
2571 } else {
2572 /*
2573 * A number of makers of multiport boards (ZNYX and Cogent)
2574 * only put on one address ROM on their 21040 boards. So
2575 * if the ROM is all zeros (or all 0xFFs), look at the
2576 * previous configured boards (as long as they are on the same
2577 * PCI bus and the bus number is non-zero) until we find the
2578 * master board with address ROM. We then use its address ROM
2579 * as the base for this board. (we add our relative board
2580 * to the last byte of its address).
2581 */
2582 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) {
2583 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF)
2584 break;
2585 }
2586 if (idx == sizeof(sc->tulip_rombuf)) {
2587 int root_unit;
2588 tulip_softc_t *root_sc = NULL;
b3e6c01b 2589 for (root_unit = device_get_unit(sc->tulip_dev) - 1; root_unit >= 0; root_unit--) {
984263bc
MD
2590 root_sc = tulips[root_unit];
2591 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM)
2592 break;
2593 root_sc = NULL;
2594 }
2595 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM)
2596 && root_sc->tulip_chipid == sc->tulip_chipid
2597 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) {
2598 sc->tulip_features |= TULIP_HAVE_SLAVEDROM;
2599 sc->tulip_boardsw = root_sc->tulip_boardsw;
2600 strcpy(sc->tulip_boardid, root_sc->tulip_boardid);
2601 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) {
2602 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf,
2603 sizeof(sc->tulip_rombuf));
2604 if (!tulip_srom_decode(sc))
2605 return -5;
2606 } else {
2607 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6);
b3e6c01b 2608 sc->tulip_enaddr[5] += device_get_unit(sc->tulip_dev) - device_get_unit(root_sc->tulip_dev);
984263bc
MD
2609 }
2610 /*
2611 * Now for a truly disgusting kludge: all 4 21040s on
2612 * the ZX314 share the same INTA line so the mapping
2613 * setup by the BIOS on the PCI bridge is worthless.
2614 * Rather than reprogramming the value in the config
2615 * register, we will handle this internally.
2616 */
2617 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) {
2618 sc->tulip_slaves = root_sc->tulip_slaves;
2619 root_sc->tulip_slaves = sc;
2620 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR;
2621 }
2622 return 0;
2623 }
2624 }
2625 }
2626
2627 /*
2628 * This is the standard DEC address ROM test.
2629 */
2630
2631 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0)
2632 return -3;
2633
2634 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14];
2635 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12];
2636 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10];
2637 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8];
2638 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0)
2639 return -2;
2640
2641 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6);
2642
2643 cksum = *(u_int16_t *) &sc->tulip_enaddr[0];
2644 cksum *= 2;
2645 if (cksum > 65535) cksum -= 65535;
2646 cksum += *(u_int16_t *) &sc->tulip_enaddr[2];
2647 if (cksum > 65535) cksum -= 65535;
2648 cksum *= 2;
2649 if (cksum > 65535) cksum -= 65535;
2650 cksum += *(u_int16_t *) &sc->tulip_enaddr[4];
2651 if (cksum >= 65535) cksum -= 65535;
2652
2653 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6];
2654
2655 if (cksum != rom_cksum)
2656 return -1;
2657
2658 check_oui:
2659 /*
2660 * Check for various boards based on OUI. Did I say braindead?
2661 */
2662 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) {
2663 if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) {
2664 (*tulip_vendors[idx].vendor_identify_nic)(sc);
2665 break;
2666 }
2667 }
2668
2669 sc->tulip_features |= TULIP_HAVE_OKROM;
2670 return 0;
2671}
79fe23de 2672
984263bc 2673static void
79fe23de 2674tulip_ifmedia_add(tulip_softc_t * const sc)
984263bc
MD
2675{
2676 tulip_media_t media;
2677 int medias = 0;
2678
2679 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) {
2680 if (sc->tulip_mediums[media] != NULL) {
2681 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media],
2682 0, 0);
2683 medias++;
2684 }
2685 }
2686 if (medias == 0) {
2687 sc->tulip_features |= TULIP_HAVE_NOMEDIA;
2688 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0);
2689 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE);
2690 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) {
2691 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0);
2692 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO);
2693 } else {
2694 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]);
2695 sc->tulip_flags |= TULIP_PRINTMEDIA;
2696 tulip_linkup(sc, sc->tulip_media);
2697 }
2698}
2699
2700static int
79fe23de 2701tulip_ifmedia_change(struct ifnet *ifp)
984263bc 2702{
79fe23de 2703 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc;
984263bc
MD
2704
2705 sc->tulip_flags |= TULIP_NEEDRESET;
2706 sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
2707 sc->tulip_media = TULIP_MEDIA_UNKNOWN;
2708 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) {
2709 tulip_media_t media;
2710 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) {
2711 if (sc->tulip_mediums[media] != NULL
2712 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) {
2713 sc->tulip_flags |= TULIP_PRINTMEDIA;
2714 sc->tulip_flags &= ~TULIP_DIDNWAY;
2715 tulip_linkup(sc, media);
2716 return 0;
2717 }
2718 }
2719 }
2720 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT);
2721 tulip_reset(sc);
2722 tulip_init(sc);
2723 return 0;
2724}
79fe23de 2725
984263bc
MD
2726/*
2727 * Media status callback
2728 */
2729static void
79fe23de 2730tulip_ifmedia_status(struct ifnet *ifp, struct ifmediareq *req)
984263bc
MD
2731{
2732 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc;
2733
2734 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN)
2735 return;
2736
2737 req->ifm_status = IFM_AVALID;
2738 if (sc->tulip_flags & TULIP_LINKUP)
2739 req->ifm_status |= IFM_ACTIVE;
2740
2741 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media];
2742}
79fe23de 2743
984263bc 2744static void
79fe23de 2745tulip_addr_filter(tulip_softc_t *sc)
984263bc
MD
2746{
2747 struct ifmultiaddr *ifma;
2748 u_char *addrp;
2749 int multicnt;
2750
2751 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI);
2752 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART;
2753 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN;
2754 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED;
2755#if defined(IFF_ALLMULTI)
2756 if (sc->tulip_if.if_flags & IFF_ALLMULTI)
2757 sc->tulip_flags |= TULIP_ALLMULTI ;
2758#endif
2759
2760 multicnt = 0;
03df8a20 2761 LIST_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) {
984263bc
MD
2762 if (ifma->ifma_addr->sa_family == AF_LINK)
2763 multicnt++;
2764 }
2765
2766 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */
2767 if (multicnt > 14) {
79fe23de
JS
2768 uint32_t *sp = sc->tulip_setupdata;
2769 u_int hash;
984263bc
MD
2770 /*
2771 * Some early passes of the 21140 have broken implementations of
2772 * hash-perfect mode. When we get too many multicasts for perfect
2773 * filtering with these chips, we need to switch into hash-only
2774 * mode (this is better than all-multicast on network with lots
2775 * of multicast traffic).
2776 */
2777 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH)
2778 sc->tulip_flags |= TULIP_WANTHASHONLY;
2779 else
2780 sc->tulip_flags |= TULIP_WANTHASHPERFECT;
2781 /*
2782 * If we have more than 14 multicasts, we have
2783 * go into hash perfect mode (512 bit multicast
2784 * hash and one perfect hardware).
2785 */
2786 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata));
2787
03df8a20 2788 LIST_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) {
984263bc
MD
2789 if (ifma->ifma_addr->sa_family != AF_LINK)
2790 continue;
2791
2792 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr));
2793#if BYTE_ORDER == BIG_ENDIAN
2794 sp[hash >> 4] |= bswap32(1 << (hash & 0xF));
2795#else
2796 sp[hash >> 4] |= 1 << (hash & 0xF);
2797#endif
2798 }
2799 /*
2800 * No reason to use a hash if we are going to be
2801 * receiving every multicast.
2802 */
2803 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) {
c401f0fd 2804 hash = tulip_mchash(sc->tulip_if.if_broadcastaddr);
984263bc
MD
2805#if BYTE_ORDER == BIG_ENDIAN
2806 sp[hash >> 4] |= bswap32(1 << (hash & 0xF));
2807#else
2808 sp[hash >> 4] |= 1 << (hash & 0xF);
2809#endif
2810 if (sc->tulip_flags & TULIP_WANTHASHONLY) {
2811 hash = tulip_mchash(sc->tulip_enaddr);
2812#if BYTE_ORDER == BIG_ENDIAN
2813 sp[hash >> 4] |= bswap32(1 << (hash & 0xF));
2814#else
2815 sp[hash >> 4] |= 1 << (hash & 0xF);
2816#endif
2817 } else {
2818#if BYTE_ORDER == BIG_ENDIAN
2819 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16;
2820 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16;
2821 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16;
2822#else
2823 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0];
2824 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1];
2825 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2];
2826#endif
2827 }
2828 }
2829 }
2830 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) {
79fe23de 2831 uint32_t *sp = sc->tulip_setupdata;
984263bc
MD
2832 int idx = 0;
2833 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) {
2834 /*
2835 * Else can get perfect filtering for 16 addresses.
2836 */
03df8a20 2837 LIST_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) {
984263bc
MD
2838 if (ifma->ifma_addr->sa_family != AF_LINK)
2839 continue;
2840 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr);
2841#if BYTE_ORDER == BIG_ENDIAN
2842 *sp++ = ((u_int16_t *) addrp)[0] << 16;
2843 *sp++ = ((u_int16_t *) addrp)[1] << 16;
2844 *sp++ = ((u_int16_t *) addrp)[2] << 16;
2845#else
2846 *sp++ = ((u_int16_t *) addrp)[0];
2847 *sp++ = ((u_int16_t *) addrp)[1];
2848 *sp++ = ((u_int16_t *) addrp)[2];
2849#endif
2850 idx++;
2851 }
2852 /*
2853 * Add the broadcast address.
2854 */
2855 idx++;
2856#if BYTE_ORDER == BIG_ENDIAN
2857 *sp++ = 0xFFFF << 16;
2858 *sp++ = 0xFFFF << 16;
2859 *sp++ = 0xFFFF << 16;
2860#else
2861 *sp++ = 0xFFFF;
2862 *sp++ = 0xFFFF;
2863 *sp++ = 0xFFFF;
2864#endif
2865 }
2866 /*
2867 * Pad the rest with our hardware address
2868 */
2869 for (; idx < 16; idx++) {
2870#if BYTE_ORDER == BIG_ENDIAN
2871 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16;
2872 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16;
2873 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16;
2874#else
2875 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0];
2876 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1];
2877 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2];
2878#endif
2879 }
2880 }
2881#if defined(IFF_ALLMULTI)
2882 if (sc->tulip_flags & TULIP_ALLMULTI)
2883 sc->tulip_if.if_flags |= IFF_ALLMULTI;
2884#endif
2885}
2886\f
2887static void
79fe23de 2888tulip_reset(tulip_softc_t *sc)
984263bc
MD
2889{
2890 tulip_ringinfo_t *ri;
2891 tulip_desc_t *di;
79fe23de 2892 uint32_t inreset = (sc->tulip_flags & TULIP_INRESET);
984263bc
MD
2893
2894 /*
2895 * Brilliant. Simply brilliant. When switching modes/speeds
2896 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS
2897 * bits in CSR6 and then do a software reset to get the 21140
2898 * to properly reset its internal pathways to the right places.
2899 * Grrrr.
2900 */
2901 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0
2902 && sc->tulip_boardsw->bd_media_preset != NULL)
2903 (*sc->tulip_boardsw->bd_media_preset)(sc);
2904
2905 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
2906 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at
2907 33MHz that comes to two microseconds but wait a
2908 bit longer anyways) */
2909
2910 if (!inreset) {
2911 sc->tulip_flags |= TULIP_INRESET;
2912 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW);
2913 sc->tulip_if.if_flags &= ~IFF_OACTIVE;
2914 sc->tulip_if.if_start = tulip_ifstart;
2915 }
2916
984263bc 2917 TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0]));
984263bc 2918 TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0]));
984263bc
MD
2919 TULIP_CSR_WRITE(sc, csr_busmode,
2920 (1 << (3 /*pci_max_burst_len*/ + 8))
2921 |TULIP_BUSMODE_CACHE_ALIGN8
2922 |TULIP_BUSMODE_READMULTIPLE
2923 |(BYTE_ORDER != LITTLE_ENDIAN ?
2924 TULIP_BUSMODE_DESC_BIGENDIAN : 0));
2925
2926 sc->tulip_txtimer = 0;
2927 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS;
2928 /*
2929 * Free all the mbufs that were on the transmit ring.
2930 */
9bf3a1b2 2931 IF_DRAIN(&sc->tulip_txq);
984263bc
MD
2932
2933 ri = &sc->tulip_txinfo;
2934 ri->ri_nextin = ri->ri_nextout = ri->ri_first;
2935 ri->ri_free = ri->ri_max;
2936 for (di = ri->ri_first; di < ri->ri_last; di++)
2937 di->d_status = 0;
984263bc
MD
2938
2939 /*
2940 * We need to collect all the mbufs were on the
2941 * receive ring before we reinit it either to put
2942 * them back on or to know if we have to allocate
2943 * more.
2944 */
2945 ri = &sc->tulip_rxinfo;
2946 ri->ri_nextin = ri->ri_nextout = ri->ri_first;
2947 ri->ri_free = ri->ri_max;
2948 for (di = ri->ri_first; di < ri->ri_last; di++) {
2949 di->d_status = 0;
2950 di->d_length1 = 0; di->d_addr1 = 0;
2951 di->d_length2 = 0; di->d_addr2 = 0;
2952 }
9bf3a1b2 2953 IF_DRAIN(&sc->tulip_rxq);
984263bc
MD
2954
2955 /*
2956 * If tulip_reset is being called recurisvely, exit quickly knowing
2957 * that when the outer tulip_reset returns all the right stuff will
2958 * have happened.
2959 */
2960 if (inreset)
2961 return;
2962
2963 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR
2964 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED
2965 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE
2966 |TULIP_STS_RXSTOPPED;
2967
2968 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0)
2969 (*sc->tulip_boardsw->bd_media_select)(sc);
984263bc
MD
2970 tulip_media_print(sc);
2971 if (sc->tulip_features & TULIP_HAVE_DUALSENSE)
2972 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status));
2973
2974 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET
2975 |TULIP_RXACT);
2976 tulip_addr_filter(sc);
2977}
79fe23de 2978
984263bc 2979static void
79fe23de 2980tulip_init(tulip_softc_t * const sc)
984263bc
MD
2981{
2982 if (sc->tulip_if.if_flags & IFF_UP) {
2983 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) {
2984 /* initialize the media */
2985 tulip_reset(sc);
2986 }
2987 sc->tulip_if.if_flags |= IFF_RUNNING;
2988 if (sc->tulip_if.if_flags & IFF_PROMISC) {
2989 sc->tulip_flags |= TULIP_PROMISC;
2990 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS;
2991 sc->tulip_intrmask |= TULIP_STS_TXINTR;
2992 } else {
2993 sc->tulip_flags &= ~TULIP_PROMISC;
2994 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS;
2995 if (sc->tulip_flags & TULIP_ALLMULTI) {
2996 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI;
2997 } else {
2998 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI;
2999 }
3000 }
3001 sc->tulip_cmdmode |= TULIP_CMD_TXRUN;
3002 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) {
3003 tulip_rx_intr(sc);
3004 sc->tulip_cmdmode |= TULIP_CMD_RXRUN;
3005 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED;
3006 } else {
3007 sc->tulip_if.if_flags |= IFF_OACTIVE;
3008 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN;
3009 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED;
3010 }
3011 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
3012 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
3013 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP)
3014 tulip_txput_setup(sc);
3015 } else {
3016 sc->tulip_if.if_flags &= ~IFF_RUNNING;
3017 tulip_reset(sc);
3018 }
3019}
79fe23de 3020
984263bc 3021static void
79fe23de 3022tulip_rx_intr(tulip_softc_t *sc)
984263bc 3023{
79fe23de
JS
3024 tulip_ringinfo_t *ri = &sc->tulip_rxinfo;
3025 struct ifnet *ifp = &sc->tulip_if;
984263bc 3026 int fillok = 1;
984263bc
MD
3027
3028 for (;;) {
984263bc
MD
3029 struct ether_header eh;
3030 tulip_desc_t *eop = ri->ri_nextin;
3031 int total_len = 0, last_offset = 0;
3032 struct mbuf *ms = NULL, *me = NULL;
3033 int accept = 0;
984263bc
MD
3034
3035 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET)
3036 goto queue_mbuf;
3037
984263bc
MD
3038 /*
3039 * If the TULIP has no descriptors, there can't be any receive
3040 * descriptors to process.
3041 */
3042 if (eop == ri->ri_nextout)
3043 break;
3044
3045 /*
3046 * 90% of the packets will fit in one descriptor. So we optimize
3047 * for that case.
3048 */
3049 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop));
3050 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) {
3051 IF_DEQUEUE(&sc->tulip_rxq, ms);
3052 me = ms;
3053 } else {
3054 /*
3055 * If still owned by the TULIP, don't touch it.
3056 */
3057 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER)
3058 break;
3059
3060 /*
3061 * It is possible (though improbable unless the BIG_PACKET support
3062 * is enabled or MCLBYTES < 1518) for a received packet to cross
3063 * more than one receive descriptor.
3064 */
3065 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) {
3066 if (++eop == ri->ri_last)
3067 eop = ri->ri_first;
3068 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop));
3069 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) {
984263bc
MD
3070 return;
3071 }
3072 total_len++;
3073 }
3074
3075 /*
3076 * Dequeue the first buffer for the start of the packet. Hopefully
3077 * this will be the only one we need to dequeue. However, if the
3078 * packet consumed multiple descriptors, then we need to dequeue
3079 * those buffers and chain to the starting mbuf. All buffers but
3080 * the last buffer have the same length so we can set that now.
3081 * (we add to last_offset instead of multiplying since we normally
3082 * won't go into the loop and thereby saving a ourselves from
3083 * doing a multiplication by 0 in the normal case).
3084 */
3085 IF_DEQUEUE(&sc->tulip_rxq, ms);
3086 for (me = ms; total_len > 0; total_len--) {
984263bc
MD
3087 me->m_len = TULIP_RX_BUFLEN;
3088 last_offset += TULIP_RX_BUFLEN;
3089 IF_DEQUEUE(&sc->tulip_rxq, me->m_next);
3090 me = me->m_next;
3091 }
3092 }
3093
3094 /*
3095 * Now get the size of received packet (minus the CRC).
3096 */
3097 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4;
3098 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0
3099 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0
3100#ifdef BIG_PACKET
3101 || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) &&
3102 (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT|
3103 TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC|
3104 TULIP_DSTS_RxOVERFLOW)) == 0)
3105#endif
3106 )) {
3107 me->m_len = total_len - last_offset;
3108
984263bc 3109 eh = *mtod(ms, struct ether_header *);
984263bc
MD
3110 sc->tulip_flags |= TULIP_RXACT;
3111 accept = 1;
3112 } else {
3113 ifp->if_ierrors++;
3114 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) {
3115 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++;
3116 } else {
984263bc
MD
3117 if (eop->d_status & TULIP_DSTS_RxTOOLONG) {
3118 sc->tulip_dot3stats.dot3StatsFrameTooLongs++;
984263bc
MD
3119 }
3120 if (eop->d_status & TULIP_DSTS_RxBADCRC) {
3121 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) {
3122 sc->tulip_dot3stats.dot3StatsAlignmentErrors++;
984263bc
MD
3123 } else {
3124 sc->tulip_dot3stats.dot3StatsFCSErrors++;
984263bc
MD
3125 }
3126 }
984263bc 3127 }
984263bc 3128 }
984263bc
MD
3129 ifp->if_ipackets++;
3130 if (++eop == ri->ri_last)
3131 eop = ri->ri_first;
3132 ri->ri_nextin = eop;
3133 queue_mbuf:
3134 /*
3135 * Either we are priming the TULIP with mbufs (m == NULL)
3136 * or we are about to accept an mbuf for the upper layers
3137 * so we need to allocate an mbuf to replace it. If we
3138 * can't replace it, send up it anyways. This may cause
3139 * us to drop packets in the future but that's better than
3140 * being caught in livelock.
3141 *
3142 * Note that if this packet crossed multiple descriptors
3143 * we don't even try to reallocate all the mbufs here.
3144 * Instead we rely on the test of the beginning of
3145 * the loop to refill for the extra consumed mbufs.
3146 */
3147 if (accept || ms == NULL) {
3148 struct mbuf *m0;
50503f0f 3149
984263bc 3150#if defined(TULIP_COPY_RXDATA)
50503f0f
JH
3151 if (!accept || total_len >= (MHLEN - 2))
3152 m0 = m_getcl(MB_DONTWAIT, MT_DATA, M_PKTHDR);
3153 else
3154 m0 = m_gethdr(MB_DONTWAIT, MT_DATA);
3155#else
3156 m0 = m_getcl(MB_DONTWAIT, MT_DATA, M_PKTHDR);
984263bc 3157#endif
50503f0f 3158
984263bc
MD
3159 if (accept
3160#if defined(TULIP_COPY_RXDATA)
3161 && m0 != NULL
3162#endif
3163 ) {
3164#if !defined(TULIP_COPY_RXDATA)
3165 ms->m_pkthdr.len = total_len;
3166 ms->m_pkthdr.rcvif = ifp;
3167 m_adj(ms, sizeof(struct ether_header));
3168 ether_input(ifp, &eh, ms);
3169#else
3170#ifdef BIG_PACKET
3171#error BIG_PACKET is incompatible with TULIP_COPY_RXDATA
3172#endif
3173 m0->m_data += 2; /* align data after header */
3174 m_copydata(ms, 0, total_len, mtod(m0, caddr_t));
3175 m0->m_len = m0->m_pkthdr.len = total_len;
3176 m0->m_pkthdr.rcvif = ifp;
3177 m_adj(m0, sizeof(struct ether_header));
3178 ether_input(ifp, &eh, m0);
3179 m0 = ms;
3180#endif /* ! TULIP_COPY_RXDATA */
3181 }
3182 ms = m0;
3183 }
3184 if (ms == NULL) {
3185 /*
3186 * Couldn't allocate a new buffer. Don't bother
3187 * trying to replenish the receive queue.
3188 */
3189 fillok = 0;
3190 sc->tulip_flags |= TULIP_RXBUFSLOW;
984263bc
MD
3191 continue;
3192 }
3193 /*
3194 * Now give the buffer(s) to the TULIP and save in our
3195 * receive queue.
3196 */
3197 do {
3198 tulip_desc_t * const nextout = ri->ri_nextout;
984263bc
MD
3199 nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t));
3200 nextout->d_length1 = TULIP_RX_BUFLEN;
984263bc
MD
3201 nextout->d_status = TULIP_DSTS_OWNER;
3202 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t));
3203 if (++ri->ri_nextout == ri->ri_last)
3204 ri->ri_nextout = ri->ri_first;
3205 me = ms->m_next;
3206 ms->m_next = NULL;
3207 IF_ENQUEUE(&sc->tulip_rxq, ms);
3208 } while ((ms = me) != NULL);
3209
3210 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET)
3211 sc->tulip_flags &= ~TULIP_RXBUFSLOW;
984263bc 3212 }
984263bc 3213}
79fe23de 3214
984263bc 3215static int
79fe23de 3216tulip_tx_intr(tulip_softc_t *sc)
984263bc 3217{
79fe23de 3218 tulip_ringinfo_t *ri = &sc->tulip_txinfo;
984263bc
MD
3219 struct mbuf *m;
3220 int xmits = 0;
3221 int descs = 0;
3222
3223 while (ri->ri_free < ri->ri_max) {
79fe23de 3224 uint32_t d_flag;
984263bc
MD
3225
3226 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin));
3227 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER)
3228 break;
3229
3230 ri->ri_free++;
3231 descs++;
3232 d_flag = ri->ri_nextin->d_flag;
3233 if (d_flag & TULIP_DFLAG_TxLASTSEG) {
3234 if (d_flag & TULIP_DFLAG_TxSETUPPKT) {
3235 /*
3236 * We've just finished processing a setup packet.
3237 * Mark that we finished it. If there's not
3238 * another pending, startup the TULIP receiver.
3239 * Make sure we ack the RXSTOPPED so we won't get
3240 * an abormal interrupt indication.
3241 */
3242 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap);
3243 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY);
3244 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT)
3245 sc->tulip_flags |= TULIP_HASHONLY;
3246 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) {
3247 tulip_rx_intr(sc);
3248 sc->tulip_cmdmode |= TULIP_CMD_RXRUN;
3249 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED;
3250 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED);
3251 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
3252 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
3253 }
3254 } else {
79fe23de 3255 const uint32_t d_status = ri->ri_nextin->d_status;
984263bc
MD
3256 IF_DEQUEUE(&sc->tulip_txq, m);
3257 if (m != NULL) {
984263bc 3258 m_freem(m);
984263bc
MD
3259 }
3260 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) {
3261 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK;
3262 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) {
984263bc
MD
3263 event = TULIP_MEDIAPOLL_TXPROBE_FAILED;
3264 }
3265 (*sc->tulip_boardsw->bd_media_poll)(sc, event);
3266 /*
3267 * Escape from the loop before media poll has reset the TULIP!
3268 */
3269 break;
3270 } else {
3271 xmits++;
3272 if (d_status & TULIP_DSTS_ERRSUM) {
3273 sc->tulip_if.if_oerrors++;
3274 if (d_status & TULIP_DSTS_TxEXCCOLL)
3275 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++;
3276 if (d_status & TULIP_DSTS_TxLATECOLL)
3277 sc->tulip_dot3stats.dot3StatsLateCollisions++;
3278 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS))
3279 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++;
3280 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE))
3281 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++;
3282 if (d_status & TULIP_DSTS_TxUNDERFLOW)
3283 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++;
3284 if (d_status & TULIP_DSTS_TxBABBLE)
3285 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++;
3286 } else {
3287 u_int32_t collisions =
3288 (d_status & TULIP_DSTS_TxCOLLMASK)
3289 >> TULIP_DSTS_V_TxCOLLCNT;
3290 sc->tulip_if.if_collisions += collisions;
3291 if (collisions == 1)
3292 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++;
3293 else if (collisions > 1)
3294 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++;
3295 else if (d_status & TULIP_DSTS_TxDEFERRED)
3296 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++;
3297 /*
3298 * SQE is only valid for 10baseT/BNC/AUI when not
3299 * running in full-duplex. In order to speed up the
3300 * test, the corresponding bit in tulip_flags needs to
3301 * set as well to get us to count SQE Test Errors.
3302 */
3303 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags)
3304 sc->tulip_dot3stats.dot3StatsSQETestErrors++;
3305 }
3306 }
3307 }
3308 }
3309
3310 if (++ri->ri_nextin == ri->ri_last)
3311 ri->ri_nextin = ri->ri_first;
3312
3313 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0)
3314 sc->tulip_if.if_flags &= ~IFF_OACTIVE;
3315 }
3316 /*
3317 * If nothing left to transmit, disable the timer.
3318 * Else if progress, reset the timer back to 2 ticks.
3319 */
3320 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE))
3321 sc->tulip_txtimer = 0;
3322 else if (xmits > 0)
3323 sc->tulip_txtimer = TULIP_TXTIMER;
3324 sc->tulip_if.if_opackets += xmits;
984263bc
MD
3325 return descs;
3326}
79fe23de 3327
984263bc 3328static void
79fe23de 3329tulip_print_abnormal_interrupt(tulip_softc_t *sc, uint32_t csr)
984263bc
MD
3330{
3331 const char * const *msgp = tulip_status_bits;
3332 const char *sep;
79fe23de 3333 uint32_t mask;
984263bc
MD
3334 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024";
3335
3336 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1;
b3e6c01b 3337 if_printf(&sc->tulip_if, "abnormal interrupt:");
984263bc
MD
3338 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) {
3339 if ((csr & mask) && *msgp != NULL) {
3340 printf("%s%s", sep, *msgp);
3341 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) {
3342 sc->tulip_flags &= ~TULIP_NEWTXTHRESH;
3343 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) {
3344 printf(" (switching to store-and-forward mode)");
3345 } else {
3346 printf(" (raising TX threshold to %s)",
3347 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]);
3348 }
3349 }
3350 sep = ", ";
3351 }
3352 }
3353 printf("\n");
3354}
3355
3356static void
3a59080c 3357tulip_intr_handler(tulip_softc_t *sc)
984263bc 3358{
79fe23de 3359 uint32_t csr;
984263bc
MD
3360
3361 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) {
984263bc
MD
3362 TULIP_CSR_WRITE(sc, csr_status, csr);
3363
3364 if (csr & TULIP_STS_SYSERROR) {
3365 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT;
3366 if (sc->tulip_flags & TULIP_NOMESSAGES) {
3367 sc->tulip_flags |= TULIP_SYSTEMERROR;
3368 } else {
b3e6c01b 3369 if_printf(&sc->tulip_if, "system error: %s\n",
984263bc
MD
3370 tulip_system_errors[sc->tulip_last_system_error]);
3371 }
3372 sc->tulip_flags |= TULIP_NEEDRESET;
3373 sc->tulip_system_errors++;
3374 break;
3375 }
3376 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) {
984263bc
MD
3377 if (sc->tulip_boardsw->bd_media_poll != NULL) {
3378 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL
3379 ? TULIP_MEDIAPOLL_LINKFAIL
3380 : TULIP_MEDIAPOLL_LINKPASS);
3381 csr &= ~TULIP_STS_ABNRMLINTR;
3382 }
3383 tulip_media_print(sc);
3384 }
3385 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) {
3386 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames);
3387 if (csr & TULIP_STS_RXNOBUF)
3388 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF;
3389 /*
3390 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data
3391 * on receive overflows.
3392 */
3393 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) {
3394 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++;
3395 /*
3396 * Stop the receiver process and spin until it's stopped.
3397 * Tell rx_intr to drop the packets it dequeues.
3398 */
3399 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN);
3400 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0)
3401 ;
3402 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED);
3403 sc->tulip_flags |= TULIP_RXIGNORE;
3404 }
3405 tulip_rx_intr(sc);
3406 if (sc->tulip_flags & TULIP_RXIGNORE) {
3407 /*
3408 * Restart the receiver.
3409 */
3410 sc->tulip_flags &= ~TULIP_RXIGNORE;
3411 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
3412 }
3413 }
3414 if (csr & TULIP_STS_ABNRMLINTR) {
3415 u_int32_t tmp = csr & sc->tulip_intrmask
3416 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR);
3417 if (csr & TULIP_STS_TXUNDERFLOW) {
3418 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) {
3419 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96;
3420 sc->tulip_flags |= TULIP_NEWTXTHRESH;
3421 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) {
3422 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD;
3423 sc->tulip_flags |= TULIP_NEWTXTHRESH;
3424 }
3425 }
3426 if (sc->tulip_flags & TULIP_NOMESSAGES) {
3427 sc->tulip_statusbits |= tmp;
3428 } else {
3429 tulip_print_abnormal_interrupt(sc, tmp);
3430 sc->tulip_flags |= TULIP_NOMESSAGES;
3431 }
3432 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
3433 }
3434 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) {
3435 tulip_tx_intr(sc);
3436 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0)
3437 tulip_ifstart(&sc->tulip_if);
3438 }
3439 }
3440 if (sc->tulip_flags & TULIP_NEEDRESET) {
3441 tulip_reset(sc);
3442 tulip_init(sc);
3443 }
984263bc
MD
3444}
3445
984263bc 3446static void
79fe23de 3447tulip_intr_shared(void *arg)
984263bc 3448{
3a59080c 3449 tulip_softc_t *sc;
984263bc 3450
3a59080c
JS
3451 for (sc = arg; sc != NULL; sc = sc->tulip_slaves)
3452 tulip_intr_handler(sc);
984263bc
MD
3453}
3454
3455static void
79fe23de 3456tulip_intr_normal(void *arg)
984263bc 3457{
79fe23de 3458 tulip_softc_t *sc = (tulip_softc_t *)arg;
984263bc 3459
3a59080c 3460 tulip_intr_handler(sc);
984263bc 3461}
79fe23de 3462
984263bc 3463static struct mbuf *
79fe23de 3464tulip_txput(tulip_softc_t *sc, struct mbuf *m)
984263bc 3465{
79fe23de 3466 tulip_ringinfo_t *ri = &sc->tulip_txinfo;
984263bc
MD
3467 tulip_desc_t *eop, *nextout;
3468 int segcnt, free;
79fe23de 3469 uint32_t d_status;
984263bc 3470 struct mbuf *m0;
984263bc 3471
984263bc
MD
3472 /*
3473 * Now we try to fill in our transmit descriptors. This is
3474 * a bit reminiscent of going on the Ark two by two
3475 * since each descriptor for the TULIP can describe
3476 * two buffers. So we advance through packet filling
3477 * each of the two entries at a time to to fill each
3478 * descriptor. Clear the first and last segment bits
3479 * in each descriptor (actually just clear everything
3480 * but the end-of-ring or chain bits) to make sure
3481 * we don't get messed up by previously sent packets.
3482 *
3483 * We may fail to put the entire packet on the ring if
3484 * there is either not enough ring entries free or if the
3485 * packet has more than MAX_TXSEG segments. In the former
3486 * case we will just wait for the ring to empty. In the
3487 * latter case we have to recopy.
3488 */
984263bc
MD
3489 again:
3490 m0 = m;
984263bc
MD
3491 d_status = 0;
3492 eop = nextout = ri->ri_nextout;
3493 segcnt = 0;
3494 free = ri->ri_free;
3495
984263bc
MD
3496 do {
3497 int len = m0->m_len;
3498 caddr_t addr = mtod(m0, caddr_t);
3499 unsigned clsize = PAGE_SIZE - (((uintptr_t) addr) & (PAGE_SIZE-1));
3500
3501 while (len > 0) {
3502 unsigned slen = min(len, clsize);
3503#ifdef BIG_PACKET
3504 int partial = 0;
3505 if (slen >= 2048)
3506 slen = 2040, partial = 1;
3507#endif
3508 segcnt++;
3509 if (segcnt > TULIP_MAX_TXSEG) {
3510 /*
3511 * The packet exceeds the number of transmit buffer
3512 * entries that we can use for one packet, so we have
3513 * recopy it into one mbuf and then try again.
3514 */
e0092f5e
JS
3515 m0 = m_defrag(m, MB_DONTWAIT);
3516 if (m0 == NULL)
984263bc 3517 goto finish;
e0092f5e 3518 m = m0;
984263bc
MD
3519 goto again;
3520 }
3521 if (segcnt & 1) {
3522 if (--free == 0) {
3523 /*
3524 * See if there's any unclaimed space in the
3525 * transmit ring.
3526 */
3527 if ((free += tulip_tx_intr(sc)) == 0) {
3528 /*
3529 * There's no more room but since nothing
3530 * has been committed at this point, just
3531 * show output is active, put back the
3532 * mbuf and return.
3533 */
3534 sc->tulip_flags |= TULIP_WANTTXSTART;
984263bc
MD
3535 goto finish;
3536 }
3537 }
3538 eop = nextout;
3539 if (++nextout == ri->ri_last)
3540 nextout = ri->ri_first;
3541 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN;
3542 eop->d_status = d_status;
3543 eop->d_addr1 = TULIP_KVATOPHYS(sc, addr);
3544 eop->d_length1 = slen;
3545 } else {
3546 /*
3547 * Fill in second half of descriptor
3548 */
3549 eop->d_addr2 = TULIP_KVATOPHYS(sc, addr);
3550 eop->d_length2 = slen;
3551 }
3552 d_status = TULIP_DSTS_OWNER;
3553 len -= slen;
3554 addr += slen;
3555#ifdef BIG_PACKET
3556 if (partial)
3557 continue;
3558#endif
3559 clsize = PAGE_SIZE;
3560 }
3561 } while ((m0 = m0->m_next) != NULL);
984263bc 3562
7600679e 3563 BPF_MTAP(&sc->tulip_if, m);
984263bc
MD
3564
3565 /*
3566 * The descriptors have been filled in. Now get ready
3567 * to transmit.
3568 */
3569 IF_ENQUEUE(&sc->tulip_txq, m);
3570 m = NULL;
3571
3572 /*
3573 * Make sure the next descriptor after this packet is owned
3574 * by us since it may have been set up above if we ran out
3575 * of room in the ring.
3576 */
3577 nextout->d_status = 0;
3578 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t));
3579
984263bc
MD
3580 /*
3581 * If we only used the first segment of the last descriptor,
3582 * make sure the second segment will not be used.
3583 */
3584 if (segcnt & 1) {
3585 eop->d_addr2 = 0;
3586 eop->d_length2 = 0;
3587 }
984263bc
MD
3588
3589 /*
3590 * Mark the last and first segments, indicate we want a transmit
3591 * complete interrupt, and tell it to transmit!
3592 */
3593 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR;
3594
3595 /*
3596 * Note that ri->ri_nextout is still the start of the packet
3597 * and until we set the OWNER bit, we can still back out of
3598 * everything we have done.
3599 */
3600 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG;
984263bc
MD
3601 ri->ri_nextout->d_status = TULIP_DSTS_OWNER;
3602 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t));
3603
3604 /*
3605 * This advances the ring for us.
3606 */
3607 ri->ri_nextout = nextout;
3608 ri->ri_free = free;
3609
984263bc
MD
3610 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) {
3611 TULIP_CSR_WRITE(sc, csr_txpoll, 1);
3612 sc->tulip_if.if_flags |= IFF_OACTIVE;
3613 sc->tulip_if.if_start = tulip_ifstart;
984263bc
MD
3614 return NULL;
3615 }
3616
3617 /*
3618 * switch back to the single queueing ifstart.
3619 */
3620 sc->tulip_flags &= ~TULIP_WANTTXSTART;
3621 if (sc->tulip_txtimer == 0)
3622 sc->tulip_txtimer = TULIP_TXTIMER;
984263bc
MD
3623
3624 /*
3625 * If we want a txstart, there must be not enough space in the
3626 * transmit ring. So we want to enable transmit done interrupts
3627 * so we can immediately reclaim some space. When the transmit
3628 * interrupt is posted, the interrupt handler will call tx_intr
3629 * to reclaim space and then txstart (since WANTTXSTART is set).
3630 * txstart will move the packet into the transmit ring and clear
3631 * WANTTXSTART thereby causing TXINTR to be cleared.
3632 */
3633 finish:
984263bc
MD
3634 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) {
3635 sc->tulip_if.if_flags |= IFF_OACTIVE;
3636 sc->tulip_if.if_start = tulip_ifstart;
3637 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) {
3638 sc->tulip_intrmask |= TULIP_STS_TXINTR;
3639 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
3640 }
3641 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) {
3642 if (sc->tulip_intrmask & TULIP_STS_TXINTR) {
3643 sc->tulip_intrmask &= ~TULIP_STS_TXINTR;
3644 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
3645 }
3646 }
3647 TULIP_CSR_WRITE(sc, csr_txpoll, 1);
984263bc
MD
3648 return m;
3649}
79fe23de 3650
984263bc 3651static void
79fe23de 3652