1 /* $OpenBSD: if_de.c,v 1.142 2023/04/11 00:45:08 jsg Exp $ */ 2 /* $NetBSD: if_de.c,v 1.58 1998/01/12 09:39:58 thorpej Exp $ */ 3 4 /*- 5 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * Id: if_de.c,v 1.89 1997/06/03 19:19:55 thomas Exp 28 * 29 */ 30 31 /* 32 * DEC 21040 PCI Ethernet Controller 33 * 34 * Written by Matt Thomas 35 * BPF support code stolen directly from if_ec.c 36 * 37 * This driver supports the DEC DE435 or any other PCI 38 * board which support 21040, 21041, or 21140 (mostly). 39 */ 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/mbuf.h> 44 #include <sys/socket.h> 45 #include <sys/ioctl.h> 46 #include <sys/errno.h> 47 #include <sys/malloc.h> 48 #include <sys/kernel.h> 49 #include <sys/device.h> 50 #include <sys/timeout.h> 51 #include <sys/pool.h> 52 53 #include <net/if.h> 54 #include <net/if_media.h> 55 56 #include "bpfilter.h" 57 #if NBPFILTER > 0 58 #include <net/bpf.h> 59 #endif 60 61 #include <netinet/in.h> 62 #include <netinet/if_ether.h> 63 64 #include <machine/bus.h> 65 #include <machine/intr.h> 66 #include <dev/pci/pcireg.h> 67 #include <dev/pci/pcivar.h> 68 #include <dev/ic/dc21040reg.h> 69 70 /* 71 * Intel CPUs should use I/O mapped access. 72 */ 73 #if defined(__i386__) 74 #define TULIP_IOMAPPED 75 #endif 76 77 #define TULIP_HZ 10 78 79 #define TULIP_SIAGEN_WATCHDOG 0 80 81 #define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 82 83 #define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 84 #define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 85 86 #define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF) 87 #define tulip_srom_crcok(databuf) ( \ 88 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 89 ((databuf)[126] | ((databuf)[127] << 8))) 90 91 /* 92 * This is the PCI configuration support. Since the 21040 is available 93 * on both EISA and PCI boards, one must be careful in how defines the 94 * 21040 in the config file. 95 */ 96 97 #define PCI_CFID 0x00 /* Configuration ID */ 98 #define PCI_CFCS 0x04 /* Configuration Command/Status */ 99 #define PCI_CFRV 0x08 /* Configuration Revision */ 100 #define PCI_CFLT 0x0c /* Configuration Latency Timer */ 101 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 102 #define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 103 #define PCI_CFIT 0x3c /* Configuration Interrupt */ 104 #define PCI_CFDA 0x40 /* Configuration Driver Area */ 105 106 #define PCI_CONF_WRITE(r, v) pci_conf_write(pa->pa_pc, pa->pa_tag, (r), (v)) 107 #define PCI_CONF_READ(r) pci_conf_read(pa->pa_pc, pa->pa_tag, (r)) 108 #define PCI_GETBUSDEVINFO(sc) do { \ 109 (sc)->tulip_pci_busno = parent; \ 110 (sc)->tulip_pci_devno = pa->pa_device; \ 111 } while (0) 112 113 #include <dev/pci/if_devar.h> 114 /* 115 * This module supports 116 * the DEC 21040 PCI Ethernet Controller. 117 * the DEC 21041 PCI Ethernet Controller. 118 * the DEC 21140 PCI Fast Ethernet Controller. 119 */ 120 int tulip_probe(struct device *parent, void *match, void *aux); 121 void tulip_attach(struct device * const parent, struct device * const self, void * const aux); 122 123 const struct cfattach de_ca = { 124 sizeof(tulip_softc_t), tulip_probe, tulip_attach 125 }; 126 127 struct cfdriver de_cd = { 128 NULL, "de", DV_IFNET 129 }; 130 131 void tulip_timeout_callback(void *arg); 132 void tulip_timeout(tulip_softc_t * const sc); 133 int tulip_txprobe(tulip_softc_t * const sc); 134 void tulip_media_set(tulip_softc_t * const sc, tulip_media_t media); 135 void tulip_linkup(tulip_softc_t * const sc, tulip_media_t media); 136 void tulip_media_print(tulip_softc_t * const sc); 137 tulip_link_status_t tulip_media_link_monitor(tulip_softc_t * const sc); 138 void tulip_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event); 139 void tulip_media_select(tulip_softc_t * const sc); 140 141 void tulip_21040_mediainfo_init(tulip_softc_t * const sc, tulip_media_t media); 142 void tulip_21040_media_probe(tulip_softc_t * const sc); 143 void tulip_21040_10baset_only_media_probe(tulip_softc_t * const sc); 144 void tulip_21040_10baset_only_media_select(tulip_softc_t * const sc); 145 void tulip_21040_auibnc_only_media_probe(tulip_softc_t * const sc); 146 void tulip_21040_auibnc_only_media_select(tulip_softc_t * const sc); 147 148 void tulip_21041_mediainfo_init(tulip_softc_t * const sc); 149 void tulip_21041_media_probe(tulip_softc_t * const sc); 150 void tulip_21041_media_poll(tulip_softc_t * const sc, const tulip_mediapoll_event_t event); 151 152 tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc); 153 unsigned tulip_mii_get_phyaddr(tulip_softc_t * const sc, unsigned offset); 154 int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 155 void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr); 156 157 void tulip_2114x_media_preset(tulip_softc_t * const sc); 158 159 void tulip_null_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event); 160 161 void tulip_21140_mediainit(tulip_softc_t * const sc, tulip_media_info_t * const mip, 162 tulip_media_t const media, unsigned gpdata, unsigned cmdmode); 163 void tulip_21140_evalboard_media_probe(tulip_softc_t * const sc); 164 void tulip_21140_accton_media_probe(tulip_softc_t * const sc); 165 void tulip_21140_smc9332_media_probe(tulip_softc_t * const sc); 166 void tulip_21140_cogent_em100_media_probe(tulip_softc_t * const sc); 167 void tulip_21140_znyx_zx34x_media_probe(tulip_softc_t * const sc); 168 169 void tulip_2114x_media_probe(tulip_softc_t * const sc); 170 171 void tulip_delay_300ns(tulip_softc_t * const sc); 172 void tulip_srom_idle(tulip_softc_t * const sc); 173 void tulip_srom_read(tulip_softc_t * const sc); 174 void tulip_mii_writebits(tulip_softc_t * const sc, unsigned data, unsigned bits); 175 void tulip_mii_turnaround(tulip_softc_t * const sc, unsigned cmd); 176 unsigned tulip_mii_readbits(tulip_softc_t * const sc); 177 unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno); 178 void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, 179 unsigned data); 180 181 void tulip_identify_dec_nic(tulip_softc_t * const sc); 182 void tulip_identify_znyx_nic(tulip_softc_t * const sc); 183 void tulip_identify_smc_nic(tulip_softc_t * const sc); 184 void tulip_identify_cogent_nic(tulip_softc_t * const sc); 185 void tulip_identify_accton_nic(tulip_softc_t * const sc); 186 void tulip_identify_asante_nic(tulip_softc_t * const sc); 187 void tulip_identify_compex_nic(tulip_softc_t * const sc); 188 189 int tulip_srom_decode(tulip_softc_t * const sc); 190 int tulip_read_macaddr(tulip_softc_t * const sc); 191 void tulip_ifmedia_add(tulip_softc_t * const sc); 192 int tulip_ifmedia_change(struct ifnet * const ifp); 193 void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req); 194 void tulip_addr_filter(tulip_softc_t * const sc); 195 void tulip_reset(tulip_softc_t * const sc); 196 void tulip_init(tulip_softc_t * const sc); 197 void tulip_rx_intr(tulip_softc_t * const sc); 198 int tulip_tx_intr(tulip_softc_t * const sc); 199 void tulip_print_abnormal_interrupt(tulip_softc_t * const sc, u_int32_t csr); 200 void tulip_intr_handler(tulip_softc_t * const sc, int *progress_p); 201 int tulip_intr_shared(void *arg); 202 int tulip_intr_normal(void *arg); 203 struct mbuf *tulip_txput(tulip_softc_t * const sc, struct mbuf *m, int); 204 void tulip_txput_setup(tulip_softc_t * const sc); 205 int tulip_ifioctl(struct ifnet * ifp, u_long cmd, caddr_t data); 206 void tulip_ifstart(struct ifnet *ifp); 207 void tulip_ifwatchdog(struct ifnet *ifp); 208 int tulip_busdma_allocmem(tulip_softc_t * const sc, size_t size, 209 bus_dmamap_t *map_p, tulip_desc_t **desc_p); 210 int tulip_busdma_init(tulip_softc_t * const sc); 211 void tulip_initcsrs(tulip_softc_t * const sc, bus_addr_t csr_base, size_t csr_size); 212 void tulip_initring(tulip_softc_t * const sc, tulip_ringinfo_t * const ri, 213 tulip_desc_t *descs, int ndescs); 214 215 bus_dmamap_t tulip_alloc_rxmap(tulip_softc_t *); 216 void tulip_free_rxmap(tulip_softc_t *, bus_dmamap_t); 217 bus_dmamap_t tulip_alloc_txmap(tulip_softc_t *); 218 void tulip_free_txmap(tulip_softc_t *, bus_dmamap_t); 219 220 void 221 tulip_timeout_callback(void *arg) 222 { 223 tulip_softc_t * const sc = arg; 224 int s; 225 226 s = splnet(); 227 228 TULIP_PERFSTART(timeout) 229 230 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 231 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 232 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 233 234 TULIP_PERFEND(timeout); 235 splx(s); 236 } 237 238 void 239 tulip_timeout(tulip_softc_t * const sc) 240 { 241 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 242 return; 243 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 244 timeout_add(&sc->tulip_stmo, (hz + TULIP_HZ / 2) / TULIP_HZ); 245 } 246 247 int 248 tulip_txprobe(tulip_softc_t * const sc) 249 { 250 struct mbuf *m; 251 252 /* 253 * Before we are sure this is the right media we need 254 * to send a small packet to make sure there's carrier. 255 * Strangely, BNC and AUI will "see" receive data if 256 * either is connected so the transmit is the only way 257 * to verify the connectivity. 258 */ 259 MGETHDR(m, M_DONTWAIT, MT_DATA); 260 if (m == NULL) 261 return (0); 262 /* 263 * Construct a LLC TEST message which will point to ourselves. 264 */ 265 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 266 ETHER_ADDR_LEN); 267 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 268 ETHER_ADDR_LEN); 269 mtod(m, struct ether_header *)->ether_type = htons(3); 270 mtod(m, unsigned char *)[14] = 0; 271 mtod(m, unsigned char *)[15] = 0; 272 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 273 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 274 /* 275 * send it! 276 */ 277 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 278 sc->tulip_intrmask |= TULIP_STS_TXINTR; 279 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 280 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 281 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 282 if ((m = tulip_txput(sc, m, 1)) != NULL) 283 m_freem(m); 284 sc->tulip_probe.probe_txprobes++; 285 return (1); 286 } 287 288 void 289 tulip_media_set(tulip_softc_t * const sc, tulip_media_t media) 290 { 291 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 292 293 if (mi == NULL) 294 return; 295 296 /* Reset the SIA first 297 */ 298 if (mi->mi_type == TULIP_MEDIAINFO_SIA || (sc->tulip_features & TULIP_HAVE_SIANWAY)) 299 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 300 301 /* Next, set full duplex if needed. 302 */ 303 if (sc->tulip_flags & TULIP_FULLDUPLEX) { 304 #ifdef TULIP_DEBUG 305 if (TULIP_CSR_READ(sc, csr_command) & (TULIP_CMD_RXRUN|TULIP_CMD_TXRUN)) 306 printf(TULIP_PRINTF_FMT ": warning: board is running (FD).\n", TULIP_PRINTF_ARGS); 307 if ((TULIP_CSR_READ(sc, csr_command) & TULIP_CMD_FULLDUPLEX) == 0) 308 printf(TULIP_PRINTF_FMT ": setting full duplex.\n", TULIP_PRINTF_ARGS); 309 #endif 310 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 311 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~(TULIP_CMD_RXRUN|TULIP_CMD_TXRUN)); 312 } 313 314 /* Now setup the media. 315 * 316 * If we are switching media, make sure we don't think there's 317 * any stale RX activity 318 */ 319 sc->tulip_flags &= ~TULIP_RXACT; 320 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 321 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 322 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 323 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 324 DELAY(50); 325 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 326 } else 327 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 328 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 329 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 330 /* 331 * If the cmdmode bits don't match the currently operating mode, 332 * set the cmdmode appropriately and reset the chip. 333 */ 334 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 335 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 336 sc->tulip_cmdmode |= mi->mi_cmdmode; 337 tulip_reset(sc); 338 } 339 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 340 DELAY(10); 341 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 342 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 343 /* 344 * If the cmdmode bits don't match the currently operating mode, 345 * set the cmdmode appropriately and reset the chip. 346 */ 347 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 348 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 349 sc->tulip_cmdmode |= mi->mi_cmdmode; 350 tulip_reset(sc); 351 } 352 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 353 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 354 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 355 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 356 int idx; 357 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 358 const u_int8_t *dp; 359 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 360 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 361 DELAY(10); 362 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 363 } 364 sc->tulip_phyaddr = mi->mi_phyaddr; 365 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 366 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 367 DELAY(10); 368 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 369 } 370 } else { 371 for (idx = 0; idx < mi->mi_reset_length; idx++) { 372 DELAY(10); 373 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 374 } 375 sc->tulip_phyaddr = mi->mi_phyaddr; 376 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 377 DELAY(10); 378 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 379 } 380 } 381 382 if (sc->tulip_features & TULIP_HAVE_SIANWAY) { 383 /* Set the SIA port into MII mode */ 384 TULIP_CSR_WRITE(sc, csr_sia_general, 1); 385 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, 0); 386 TULIP_CSR_WRITE(sc, csr_sia_status, 0); 387 } 388 389 if (sc->tulip_flags & TULIP_TRYNWAY) 390 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 391 else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 392 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 393 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 394 sc->tulip_flags &= ~TULIP_DIDNWAY; 395 if (TULIP_IS_MEDIA_FD(media)) 396 data |= PHYCTL_FULL_DUPLEX; 397 if (TULIP_IS_MEDIA_100MB(media)) 398 data |= PHYCTL_SELECT_100MB; 399 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 400 } 401 } 402 } 403 404 void 405 tulip_linkup(tulip_softc_t * const sc, tulip_media_t media) 406 { 407 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 408 sc->tulip_flags |= TULIP_PRINTLINKUP; 409 sc->tulip_flags |= TULIP_LINKUP; 410 ifq_clr_oactive(&sc->tulip_if.if_snd); 411 if (sc->tulip_media != media) { 412 #ifdef TULIP_DEBUG 413 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 414 #endif 415 sc->tulip_media = media; 416 sc->tulip_flags |= TULIP_PRINTMEDIA; 417 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) 418 sc->tulip_flags |= TULIP_FULLDUPLEX; 419 else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) 420 sc->tulip_flags &= ~TULIP_FULLDUPLEX; 421 } 422 /* 423 * We could set probe_timeout to 0 but setting to 3000 puts this 424 * in one central place and the only matters is tulip_link is 425 * followed by a tulip_timeout. Therefore setting it should not 426 * result in aberrant behaviour. 427 */ 428 sc->tulip_probe_timeout = 3000; 429 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 430 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 431 if (sc->tulip_flags & TULIP_INRESET) 432 tulip_media_set(sc, sc->tulip_media); 433 else if (sc->tulip_probe_media != sc->tulip_media) { 434 /* 435 * No reason to change media if we have the right media. 436 */ 437 tulip_reset(sc); 438 } 439 tulip_init(sc); 440 } 441 442 void 443 tulip_media_print(tulip_softc_t * const sc) 444 { 445 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 446 return; 447 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 448 #ifdef TULIP_DEBUG 449 printf(TULIP_PRINTF_FMT ": enabling %s port\n", 450 TULIP_PRINTF_ARGS, 451 tulip_mediums[sc->tulip_media]); 452 #endif 453 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 454 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 455 #ifdef TULIP_DEBUG 456 printf(TULIP_PRINTF_FMT ": link up\n", TULIP_PRINTF_ARGS); 457 #endif 458 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 459 } 460 } 461 462 tulip_link_status_t 463 tulip_media_link_monitor(tulip_softc_t * const sc) 464 { 465 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 466 tulip_link_status_t linkup = TULIP_LINK_DOWN; 467 468 if (mi == NULL) { 469 #if defined(TULIP_DEBUG) 470 printf("tulip_media_link_monitor: %s: botch at line %d\n", 471 tulip_mediums[sc->tulip_media],__LINE__); 472 #endif 473 return (TULIP_LINK_UNKNOWN); 474 } 475 476 477 /* 478 * Have we seen some packets? If so, the link must be good. 479 */ 480 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 481 sc->tulip_flags &= ~TULIP_RXACT; 482 sc->tulip_probe_timeout = 3000; 483 return (TULIP_LINK_UP); 484 } 485 486 sc->tulip_flags &= ~TULIP_RXACT; 487 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 488 u_int32_t status; 489 /* 490 * Read the PHY status register. 491 */ 492 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS) 493 | tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 494 if (status & PHYSTS_AUTONEG_DONE) { 495 /* 496 * If the PHY has completed autonegotiation, see the if the 497 * remote systems abilities have changed. If so, upgrade or 498 * downgrade as appropriate. 499 */ 500 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 501 abilities = (abilities << 6) & status; 502 if (abilities != sc->tulip_abilities) { 503 #if defined(TULIP_DEBUG) 504 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 505 TULIP_PRINTF_ARGS, sc->tulip_phyaddr, 506 sc->tulip_abilities, abilities); 507 #endif 508 if (tulip_mii_map_abilities(sc, abilities)) { 509 tulip_linkup(sc, sc->tulip_probe_media); 510 return (TULIP_LINK_UP); 511 } 512 /* 513 * if we had selected media because of autonegotiation, 514 * we need to probe for the new media. 515 */ 516 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 517 if (sc->tulip_flags & TULIP_DIDNWAY) 518 return (TULIP_LINK_DOWN); 519 } 520 } 521 /* 522 * The link is now up. If was down, say its back up. 523 */ 524 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 525 linkup = TULIP_LINK_UP; 526 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 527 /* 528 * No activity sensor? Assume all's well. 529 */ 530 if (mi->mi_actmask == 0) 531 return (TULIP_LINK_UNKNOWN); 532 /* 533 * Does the activity data match? 534 */ 535 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 536 linkup = TULIP_LINK_UP; 537 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 538 /* 539 * Assume non TP ok for now. 540 */ 541 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 542 return (TULIP_LINK_UNKNOWN); 543 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 544 linkup = TULIP_LINK_UP; 545 #if defined(TULIP_DEBUG) 546 if (sc->tulip_probe_timeout <= 0) 547 printf(TULIP_PRINTF_FMT ": sia status = 0x%08x\n", TULIP_PRINTF_ARGS, TULIP_CSR_READ(sc, csr_sia_status)); 548 #endif 549 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) 550 return (TULIP_LINK_UNKNOWN); 551 /* 552 * We will wait for 3 seconds until the link goes into suspect mode. 553 */ 554 if (sc->tulip_flags & TULIP_LINKUP) { 555 if (linkup == TULIP_LINK_UP) 556 sc->tulip_probe_timeout = 3000; 557 if (sc->tulip_probe_timeout > 0) 558 return (TULIP_LINK_UP); 559 560 sc->tulip_flags &= ~TULIP_LINKUP; 561 } 562 #if defined(TULIP_DEBUG) 563 sc->tulip_dbg.dbg_link_downed++; 564 #endif 565 return (TULIP_LINK_DOWN); 566 } 567 568 void 569 tulip_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event) 570 { 571 #if defined(TULIP_DEBUG) 572 sc->tulip_dbg.dbg_events[event]++; 573 #endif 574 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 575 && event == TULIP_MEDIAPOLL_TIMER) { 576 switch (tulip_media_link_monitor(sc)) { 577 case TULIP_LINK_DOWN: { 578 /* 579 * Link Monitor failed. Probe for new media. 580 */ 581 event = TULIP_MEDIAPOLL_LINKFAIL; 582 break; 583 } 584 case TULIP_LINK_UP: { 585 /* 586 * Check again soon. 587 */ 588 tulip_timeout(sc); 589 return; 590 } 591 case TULIP_LINK_UNKNOWN: { 592 /* 593 * We can't tell so don't bother. 594 */ 595 return; 596 } 597 } 598 } 599 600 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 601 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 602 if (TULIP_DO_AUTOSENSE(sc)) { 603 #if defined(TULIP_DEBUG) 604 sc->tulip_dbg.dbg_link_failures++; 605 #endif 606 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 607 if (sc->tulip_if.if_flags & IFF_UP) 608 tulip_reset(sc); /* restart probe */ 609 } 610 return; 611 } 612 #if defined(TULIP_DEBUG) 613 sc->tulip_dbg.dbg_link_pollintrs++; 614 #endif 615 } 616 617 if (event == TULIP_MEDIAPOLL_START) { 618 ifq_set_oactive(&sc->tulip_if.if_snd); 619 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 620 return; 621 sc->tulip_probe_mediamask = 0; 622 sc->tulip_probe_passes = 0; 623 #if defined(TULIP_DEBUG) 624 sc->tulip_dbg.dbg_media_probes++; 625 #endif 626 /* 627 * If the SROM contained an explicit media to use, use it. 628 */ 629 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 630 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 631 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 632 /* 633 * connidx is defaulted to a media_unknown type. 634 */ 635 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 636 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 637 tulip_linkup(sc, sc->tulip_probe_media); 638 tulip_timeout(sc); 639 return; 640 } 641 642 if (sc->tulip_features & TULIP_HAVE_GPR) { 643 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 644 sc->tulip_probe_timeout = 2000; 645 } else { 646 sc->tulip_probe_media = TULIP_MEDIA_MAX; 647 sc->tulip_probe_timeout = 0; 648 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 649 } 650 } 651 652 /* 653 * Ignore txprobe failures or spurious callbacks. 654 */ 655 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 656 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 657 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 658 return; 659 } 660 661 /* 662 * If we really transmitted a packet, then that's the media we'll use. 663 */ 664 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 665 if (event == TULIP_MEDIAPOLL_LINKPASS) { 666 /* XXX Check media status just to be sure */ 667 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 668 #if defined(TULIP_DEBUG) 669 } else { 670 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 671 #endif 672 } 673 tulip_linkup(sc, sc->tulip_probe_media); 674 tulip_timeout(sc); 675 return; 676 } 677 678 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 679 /* 680 * Brute force. We cycle through each of the media types 681 * and try to transmit a packet. 682 */ 683 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 684 sc->tulip_probe_media = TULIP_MEDIA_MAX; 685 sc->tulip_probe_timeout = 0; 686 tulip_timeout(sc); 687 return; 688 } 689 690 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 691 && (sc->tulip_features & TULIP_HAVE_MII)) { 692 tulip_media_t old_media = sc->tulip_probe_media; 693 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 694 switch (sc->tulip_probe_state) { 695 case TULIP_PROBE_FAILED: 696 case TULIP_PROBE_MEDIATEST: { 697 /* 698 * Try the next media. 699 */ 700 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 701 sc->tulip_probe_timeout = 0; 702 break; 703 } 704 case TULIP_PROBE_PHYAUTONEG: { 705 return; 706 } 707 case TULIP_PROBE_INACTIVE: { 708 /* 709 * Only probe if we autonegotiated a media that hasn't failed. 710 */ 711 sc->tulip_probe_timeout = 0; 712 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 713 sc->tulip_probe_media = old_media; 714 break; 715 } 716 tulip_linkup(sc, sc->tulip_probe_media); 717 tulip_timeout(sc); 718 return; 719 } 720 default: { 721 #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 722 printf("tulip_media_poll: botch at line %d\n", __LINE__); 723 #endif 724 break; 725 } 726 } 727 } 728 729 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 730 #if defined(TULIP_DEBUG) 731 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 732 #endif 733 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 734 return; 735 } 736 737 /* 738 * Switch to another media if we tried this one enough. 739 */ 740 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 741 #if defined(TULIP_DEBUG) 742 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 743 printf(TULIP_PRINTF_FMT ": poll media unknown!\n", 744 TULIP_PRINTF_ARGS); 745 sc->tulip_probe_media = TULIP_MEDIA_MAX; 746 } 747 #endif 748 /* 749 * Find the next media type to check for. Full Duplex 750 * types are not allowed. 751 */ 752 do { 753 sc->tulip_probe_media -= 1; 754 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 755 if (++sc->tulip_probe_passes == 3) { 756 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 757 sc->tulip_if.if_flags &= ~IFF_RUNNING; 758 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 759 return; 760 } 761 } 762 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 763 sc->tulip_probe_mediamask = 0; 764 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 765 } 766 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 767 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 768 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 769 770 #if defined(TULIP_DEBUG) 771 printf(TULIP_PRINTF_FMT ": %s: probing %s\n", TULIP_PRINTF_ARGS, 772 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 773 tulip_mediums[sc->tulip_probe_media]); 774 #endif 775 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 776 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 777 sc->tulip_probe.probe_txprobes = 0; 778 tulip_reset(sc); 779 tulip_media_set(sc, sc->tulip_probe_media); 780 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 781 } 782 tulip_timeout(sc); 783 784 /* 785 * If this is hanging off a phy, we know are doing NWAY and we have 786 * forced the phy to a specific speed. Wait for link up before 787 * before sending a packet. 788 */ 789 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 790 case TULIP_MEDIAINFO_MII: { 791 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 792 return; 793 break; 794 } 795 case TULIP_MEDIAINFO_SIA: { 796 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 797 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 798 return; 799 tulip_linkup(sc, sc->tulip_probe_media); 800 return; 801 } 802 break; 803 } 804 case TULIP_MEDIAINFO_RESET: 805 case TULIP_MEDIAINFO_SYM: 806 case TULIP_MEDIAINFO_NONE: 807 case TULIP_MEDIAINFO_GPR: { 808 break; 809 } 810 } 811 /* 812 * Try to send a packet. 813 */ 814 tulip_txprobe(sc); 815 } 816 817 void 818 tulip_media_select(tulip_softc_t * const sc) 819 { 820 if (sc->tulip_features & TULIP_HAVE_GPR) { 821 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 822 DELAY(10); 823 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 824 } 825 /* 826 * If this board has no media, just return 827 */ 828 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 829 return; 830 831 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 832 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 833 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 834 } else 835 tulip_media_set(sc, sc->tulip_media); 836 } 837 838 void 839 tulip_21040_mediainfo_init(tulip_softc_t * const sc, tulip_media_t media) 840 { 841 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 842 |TULIP_CMD_BACKOFFCTR; 843 sc->tulip_if.if_baudrate = 10000000; 844 845 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 846 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 847 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 848 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 849 } 850 851 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) 852 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 853 854 if (media == TULIP_MEDIA_UNKNOWN) 855 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 856 } 857 858 void 859 tulip_21040_media_probe(tulip_softc_t * const sc) 860 { 861 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 862 } 863 864 void 865 tulip_21040_10baset_only_media_probe(tulip_softc_t * const sc) 866 { 867 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 868 tulip_media_set(sc, TULIP_MEDIA_10BASET); 869 sc->tulip_media = TULIP_MEDIA_10BASET; 870 } 871 872 void 873 tulip_21040_10baset_only_media_select(tulip_softc_t * const sc) 874 { 875 sc->tulip_flags |= TULIP_LINKUP; 876 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 877 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 878 sc->tulip_flags &= ~TULIP_SQETEST; 879 } else { 880 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 881 sc->tulip_flags |= TULIP_SQETEST; 882 } 883 tulip_media_set(sc, sc->tulip_media); 884 } 885 886 void 887 tulip_21040_auibnc_only_media_probe(tulip_softc_t * const sc) 888 { 889 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 890 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 891 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 892 sc->tulip_media = TULIP_MEDIA_AUIBNC; 893 } 894 895 void 896 tulip_21040_auibnc_only_media_select(tulip_softc_t * const sc) 897 { 898 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 899 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 900 } 901 902 static const tulip_boardsw_t tulip_21040_boardsw = { 903 TULIP_21040_GENERIC, 904 tulip_21040_media_probe, 905 tulip_media_select, 906 tulip_media_poll, 907 }; 908 909 static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 910 TULIP_21040_GENERIC, 911 tulip_21040_10baset_only_media_probe, 912 tulip_21040_10baset_only_media_select, 913 NULL, 914 }; 915 916 static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 917 TULIP_21040_GENERIC, 918 tulip_21040_auibnc_only_media_probe, 919 tulip_21040_auibnc_only_media_select, 920 NULL, 921 }; 922 923 void 924 tulip_21041_mediainfo_init(tulip_softc_t * const sc) 925 { 926 tulip_media_info_t * const mi = sc->tulip_mediainfo; 927 928 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 929 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 930 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 931 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 932 } 933 934 void 935 tulip_21041_media_probe(tulip_softc_t * const sc) 936 { 937 sc->tulip_if.if_baudrate = 10000000; 938 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 939 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 940 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 941 tulip_21041_mediainfo_init(sc); 942 } 943 944 void 945 tulip_21041_media_poll(tulip_softc_t * const sc, const tulip_mediapoll_event_t event) 946 { 947 u_int32_t sia_status; 948 949 #if defined(TULIP_DEBUG) 950 sc->tulip_dbg.dbg_events[event]++; 951 #endif 952 953 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 954 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 955 || !TULIP_DO_AUTOSENSE(sc)) 956 return; 957 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 958 tulip_reset(sc); /* start probe */ 959 return; 960 } 961 962 /* 963 * If we've been asked to start a poll or link change interrupt 964 * restart the probe (and reset the tulip to a known state). 965 */ 966 if (event == TULIP_MEDIAPOLL_START) { 967 ifq_set_oactive(&sc->tulip_if.if_snd); 968 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 969 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 970 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 971 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 972 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 973 tulip_media_set(sc, TULIP_MEDIA_10BASET); 974 tulip_timeout(sc); 975 return; 976 } 977 978 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 979 return; 980 981 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 982 #if defined(TULIP_DEBUG) 983 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 984 #endif 985 tulip_linkup(sc, sc->tulip_probe_media); 986 return; 987 } 988 989 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 990 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 991 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 992 if (sc->tulip_revinfo >= 0x20) { 993 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 994 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 995 } 996 /* 997 * If the link has passed LinkPass, 10baseT is the 998 * proper media to use. 999 */ 1000 tulip_linkup(sc, sc->tulip_probe_media); 1001 return; 1002 } 1003 1004 /* 1005 * wait for up to 2.4 seconds for the link to reach pass state. 1006 * Only then start scanning the other media for activity. 1007 * choose media with receive activity over those without. 1008 */ 1009 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1010 if (event != TULIP_MEDIAPOLL_TIMER) 1011 return; 1012 if (sc->tulip_probe_timeout > 0 1013 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1014 tulip_timeout(sc); 1015 return; 1016 } 1017 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1018 sc->tulip_flags |= TULIP_WANTRXACT; 1019 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) 1020 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1021 else 1022 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1023 tulip_media_set(sc, sc->tulip_probe_media); 1024 tulip_timeout(sc); 1025 return; 1026 } 1027 1028 /* 1029 * If we failed, clear the txprobe active flag. 1030 */ 1031 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1032 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1033 1034 1035 if (event == TULIP_MEDIAPOLL_TIMER) { 1036 /* 1037 * If we've received something, then that's our link! 1038 */ 1039 if (sc->tulip_flags & TULIP_RXACT) { 1040 tulip_linkup(sc, sc->tulip_probe_media); 1041 return; 1042 } 1043 /* 1044 * if no txprobe active 1045 */ 1046 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1047 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1048 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1049 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1050 tulip_txprobe(sc); 1051 tulip_timeout(sc); 1052 return; 1053 } 1054 /* 1055 * Take 2 passes through before deciding to not 1056 * wait for receive activity. Then take another 1057 * two passes before spitting out a warning. 1058 */ 1059 if (sc->tulip_probe_timeout <= 0) { 1060 if (sc->tulip_flags & TULIP_WANTRXACT) { 1061 sc->tulip_flags &= ~TULIP_WANTRXACT; 1062 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1063 } else { 1064 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1065 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1066 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1067 return; 1068 } 1069 } 1070 } 1071 } 1072 1073 /* 1074 * Since this media failed to probe, try the other one. 1075 */ 1076 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1077 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) 1078 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1079 else 1080 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1081 tulip_media_set(sc, sc->tulip_probe_media); 1082 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1083 tulip_timeout(sc); 1084 } 1085 1086 static const tulip_boardsw_t tulip_21041_boardsw = { 1087 TULIP_21041_GENERIC, 1088 tulip_21041_media_probe, 1089 tulip_media_select, 1090 tulip_21041_media_poll 1091 }; 1092 1093 static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1094 { 0x20005c00, 0, /* 08-00-17 */ 1095 { 1096 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1097 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1098 }, 1099 #if defined(TULIP_DEBUG) 1100 "NS DP83840", 1101 #endif 1102 }, 1103 { 0x0281F400, 0, /* 00-A0-7D */ 1104 { 1105 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1106 { 0 }, /* 100TX */ 1107 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1108 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1109 }, 1110 #if defined(TULIP_DEBUG) 1111 "Seeq 80C240" 1112 #endif 1113 }, 1114 { 0x0281F400, 3, /* 00-A0-7D */ 1115 { 1116 { 0x12, 0x0080, 0x0000 }, /* 10T */ 1117 { 0x12, 0x0080, 0x0080 }, /* 100TX */ 1118 { 0 }, /* 100T4 */ 1119 { 0x12, 0x0040, 0x0040 }, /* FULL_DUPLEX */ 1120 }, 1121 #if defined(TULIP_DEBUG) 1122 "Seeq 80225" 1123 #endif 1124 }, 1125 { 0x0281F400, 0, /* 00-A0-BE */ 1126 { 1127 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1128 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1129 { 0 }, /* 100T4 */ 1130 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1131 }, 1132 #if defined(TULIP_DEBUG) 1133 "ICS 1890" 1134 #endif 1135 }, 1136 { 0x78100000, 0, /* 00-A0-CC */ 1137 { 1138 { 0x14, 0x0800, 0x0000 }, /* 10TX */ 1139 { 0x14, 0x0800, 0x0800 }, /* 100TX */ 1140 { 0 }, /* 100T4 */ 1141 { 0x14, 0x1000, 0x1000 }, /* FULL_DUPLEX */ 1142 }, 1143 #if defined(TULIP_DEBUG) 1144 "LEVEL1 LXT970" 1145 #endif 1146 }, 1147 { 0 } 1148 }; 1149 1150 tulip_media_t 1151 tulip_mii_phy_readspecific(tulip_softc_t * const sc) 1152 { 1153 const tulip_phy_attr_t *attr; 1154 u_int16_t data; 1155 u_int32_t id; 1156 unsigned idx = 0; 1157 static const tulip_media_t table[] = { 1158 TULIP_MEDIA_UNKNOWN, 1159 TULIP_MEDIA_10BASET, 1160 TULIP_MEDIA_100BASETX, 1161 TULIP_MEDIA_100BASET4, 1162 TULIP_MEDIA_UNKNOWN, 1163 TULIP_MEDIA_10BASET_FD, 1164 TULIP_MEDIA_100BASETX_FD, 1165 TULIP_MEDIA_UNKNOWN 1166 }; 1167 1168 /* 1169 * Don't read phy specific registers if link is not up. 1170 */ 1171 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS) 1172 | tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1173 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1174 return (TULIP_MEDIA_UNKNOWN); 1175 1176 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1177 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1178 for (attr = tulip_mii_phy_attrlist;; attr++) { 1179 if (attr->attr_id == 0) 1180 return (TULIP_MEDIA_UNKNOWN); 1181 if ((id & ~0x0F) == attr->attr_id) 1182 break; 1183 } 1184 1185 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1186 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1187 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1188 if ((data & pm->pm_mask) == pm->pm_value) 1189 idx = 2; 1190 } 1191 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1192 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1193 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1194 if ((data & pm->pm_mask) == pm->pm_value) 1195 idx = 3; 1196 } 1197 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1198 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1199 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1200 if ((data & pm->pm_mask) == pm->pm_value) 1201 idx = 1; 1202 } 1203 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1204 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1205 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1206 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1207 } 1208 return (table[idx]); 1209 } 1210 1211 unsigned 1212 tulip_mii_get_phyaddr(tulip_softc_t * const sc, unsigned offset) 1213 { 1214 unsigned phyaddr; 1215 1216 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1217 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1218 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1219 continue; 1220 if (offset == 0) 1221 return (phyaddr); 1222 offset--; 1223 } 1224 if (offset == 0) { 1225 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1226 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1227 return (TULIP_MII_NOPHY); 1228 return (0); 1229 } 1230 return (TULIP_MII_NOPHY); 1231 } 1232 1233 int 1234 tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities) 1235 { 1236 sc->tulip_abilities = abilities; 1237 if (abilities & PHYSTS_100BASETX_FD) 1238 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1239 else if (abilities & PHYSTS_100BASET4) 1240 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1241 else if (abilities & PHYSTS_100BASETX) 1242 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1243 else if (abilities & PHYSTS_10BASET_FD) 1244 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1245 else if (abilities & PHYSTS_10BASET) 1246 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1247 else { 1248 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1249 return (0); 1250 } 1251 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1252 return (1); 1253 } 1254 1255 void 1256 tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr) 1257 { 1258 switch (sc->tulip_probe_state) { 1259 case TULIP_PROBE_MEDIATEST: 1260 case TULIP_PROBE_INACTIVE: { 1261 sc->tulip_flags |= TULIP_DIDNWAY; 1262 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1263 sc->tulip_probe_timeout = 3000; 1264 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1265 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1266 /* FALLTHROUGH */ 1267 } 1268 case TULIP_PROBE_PHYRESET: { 1269 u_int32_t status; 1270 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1271 if (data & PHYCTL_RESET) { 1272 if (sc->tulip_probe_timeout > 0) { 1273 tulip_timeout(sc); 1274 return; 1275 } 1276 #ifdef TULIP_DEBUG 1277 printf(TULIP_PRINTF_FMT "(phy%d): error: reset of PHY never completed!\n", 1278 TULIP_PRINTF_ARGS, phyaddr); 1279 #endif 1280 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1281 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1282 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1283 return; 1284 } 1285 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS) 1286 | tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1287 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1288 #if defined(TULIP_DEBUG) 1289 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation disabled\n", 1290 TULIP_PRINTF_ARGS, phyaddr); 1291 #endif 1292 sc->tulip_flags &= ~TULIP_DIDNWAY; 1293 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1294 return; 1295 } 1296 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1297 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1298 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1299 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1300 #if defined(TULIP_DEBUG) 1301 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1302 printf(TULIP_PRINTF_FMT "(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1303 TULIP_PRINTF_ARGS, phyaddr, data); 1304 else 1305 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation restarted: 0x%04x (ad=0x%04x)\n", 1306 TULIP_PRINTF_ARGS, phyaddr, data, 1307 tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT)); 1308 sc->tulip_dbg.dbg_nway_starts++; 1309 #endif 1310 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1311 sc->tulip_probe_timeout = 3000; 1312 /* FALLTHROUGH */ 1313 } 1314 case TULIP_PROBE_PHYAUTONEG: { 1315 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS) 1316 | tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1317 u_int32_t data; 1318 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1319 if (sc->tulip_probe_timeout > 0) { 1320 tulip_timeout(sc); 1321 return; 1322 } 1323 #if defined(TULIP_DEBUG) 1324 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1325 TULIP_PRINTF_ARGS, phyaddr, status, 1326 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1327 #endif 1328 sc->tulip_flags &= ~TULIP_DIDNWAY; 1329 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1330 return; 1331 } 1332 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES) 1333 | tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1334 #if defined(TULIP_DEBUG) 1335 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation complete: 0x%04x (sts=0x%04x)\n", 1336 TULIP_PRINTF_ARGS, phyaddr, data, status); 1337 #endif 1338 data = (data << 6) & status; 1339 if (!tulip_mii_map_abilities(sc, data)) 1340 sc->tulip_flags &= ~TULIP_DIDNWAY; 1341 return; 1342 } 1343 default: { 1344 #if defined(DIAGNOSTIC) 1345 printf("tulip_media_poll: botch at line %d\n", __LINE__); 1346 #endif 1347 break; 1348 } 1349 } 1350 #if defined(TULIP_DEBUG) 1351 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation failure: state = %d\n", 1352 TULIP_PRINTF_ARGS, phyaddr, sc->tulip_probe_state); 1353 sc->tulip_dbg.dbg_nway_failures++; 1354 #endif 1355 } 1356 1357 void 1358 tulip_2114x_media_preset(tulip_softc_t * const sc) 1359 { 1360 const tulip_media_info_t *mi = NULL; 1361 tulip_media_t media = sc->tulip_media; 1362 1363 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1364 media = sc->tulip_media; 1365 else 1366 media = sc->tulip_probe_media; 1367 1368 sc->tulip_cmdmode &= ~(TULIP_CMD_PORTSELECT|TULIP_CMD_NOHEARTBEAT 1369 |TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1370 sc->tulip_flags &= ~(TULIP_SQETEST|TULIP_FULLDUPLEX); 1371 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1372 #if defined(TULIP_DEBUG) 1373 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1374 #endif 1375 mi = sc->tulip_mediums[media]; 1376 if (mi->mi_type == TULIP_MEDIAINFO_MII) 1377 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1378 else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1379 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1380 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1381 sc->tulip_cmdmode |= mi->mi_cmdmode; 1382 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) 1383 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1384 #if defined(TULIP_DEBUG) 1385 } else { 1386 printf(TULIP_PRINTF_FMT ": preset: bad media %d!\n", 1387 TULIP_PRINTF_ARGS, media); 1388 } 1389 #endif 1390 } 1391 switch (media) { 1392 case TULIP_MEDIA_BNC: 1393 case TULIP_MEDIA_AUI: 1394 case TULIP_MEDIA_10BASET: { 1395 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1396 sc->tulip_if.if_baudrate = 10000000; 1397 sc->tulip_flags |= TULIP_SQETEST; 1398 break; 1399 } 1400 case TULIP_MEDIA_10BASET_FD: { 1401 sc->tulip_flags |= TULIP_FULLDUPLEX; 1402 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX; 1403 sc->tulip_if.if_baudrate = 10000000; 1404 break; 1405 } 1406 case TULIP_MEDIA_100BASEFX: 1407 case TULIP_MEDIA_100BASET4: 1408 case TULIP_MEDIA_100BASETX: { 1409 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1410 sc->tulip_if.if_baudrate = 100000000; 1411 if (mi->mi_type == TULIP_MEDIAINFO_SYM 1412 || mi->mi_type == TULIP_MEDIAINFO_MII) { 1413 sc->tulip_cmdmode |= TULIP_CMD_NOHEARTBEAT; 1414 } 1415 break; 1416 } 1417 case TULIP_MEDIA_100BASEFX_FD: 1418 case TULIP_MEDIA_100BASETX_FD: { 1419 sc->tulip_flags |= TULIP_FULLDUPLEX; 1420 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT|TULIP_CMD_FULLDUPLEX; 1421 sc->tulip_if.if_baudrate = 100000000; 1422 if (mi->mi_type == TULIP_MEDIAINFO_SYM 1423 || mi->mi_type == TULIP_MEDIAINFO_MII) { 1424 sc->tulip_cmdmode |= TULIP_CMD_NOHEARTBEAT; 1425 } 1426 break; 1427 } 1428 default: { 1429 break; 1430 } 1431 } 1432 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1433 } 1434 1435 /* 1436 ******************************************************************** 1437 * Start of 21140/21140A support which does not use the MII interface 1438 */ 1439 1440 void 1441 tulip_null_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event) 1442 { 1443 #if defined(TULIP_DEBUG) 1444 sc->tulip_dbg.dbg_events[event]++; 1445 #endif 1446 #if defined(DIAGNOSTIC) 1447 printf(TULIP_PRINTF_FMT ": botch(media_poll) at line %d\n", 1448 TULIP_PRINTF_ARGS, __LINE__); 1449 #endif 1450 } 1451 1452 void 1453 tulip_21140_mediainit(tulip_softc_t * const sc, tulip_media_info_t * const mip, 1454 tulip_media_t const media, unsigned gpdata, unsigned cmdmode) 1455 { 1456 sc->tulip_mediums[media] = mip; 1457 mip->mi_type = TULIP_MEDIAINFO_GPR; 1458 mip->mi_cmdmode = cmdmode; 1459 mip->mi_gpdata = gpdata; 1460 } 1461 1462 void 1463 tulip_21140_evalboard_media_probe(tulip_softc_t * const sc) 1464 { 1465 tulip_media_info_t *mip = sc->tulip_mediainfo; 1466 1467 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1468 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1469 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1470 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1471 TULIP_CSR_WRITE(sc, csr_command, 1472 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1473 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1474 TULIP_CSR_WRITE(sc, csr_command, 1475 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1476 DELAY(1000000); 1477 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) 1478 sc->tulip_media = TULIP_MEDIA_10BASET; 1479 else 1480 sc->tulip_media = TULIP_MEDIA_100BASETX; 1481 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1482 TULIP_GP_EB_INIT, 1483 TULIP_CMD_TXTHRSHLDCTL); 1484 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1485 TULIP_GP_EB_INIT, 1486 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1487 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1488 TULIP_GP_EB_INIT, 1489 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1490 |TULIP_CMD_SCRAMBLER); 1491 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1492 TULIP_GP_EB_INIT, 1493 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1494 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1495 } 1496 1497 static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1498 TULIP_21140_DEC_EB, 1499 tulip_21140_evalboard_media_probe, 1500 tulip_media_select, 1501 tulip_null_media_poll, 1502 tulip_2114x_media_preset, 1503 }; 1504 1505 void 1506 tulip_21140_accton_media_probe(tulip_softc_t * const sc) 1507 { 1508 tulip_media_info_t *mip = sc->tulip_mediainfo; 1509 unsigned gpdata; 1510 1511 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1512 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1513 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1514 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1515 TULIP_CSR_WRITE(sc, csr_command, 1516 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1517 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1518 TULIP_CSR_WRITE(sc, csr_command, 1519 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1520 DELAY(1000000); 1521 gpdata = TULIP_CSR_READ(sc, csr_gp); 1522 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) 1523 sc->tulip_media = TULIP_MEDIA_10BASET; 1524 else { 1525 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) 1526 sc->tulip_media = TULIP_MEDIA_BNC; 1527 else 1528 sc->tulip_media = TULIP_MEDIA_100BASETX; 1529 } 1530 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1531 TULIP_GP_EN1207_BNC_INIT, 1532 TULIP_CMD_TXTHRSHLDCTL); 1533 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1534 TULIP_GP_EN1207_UTP_INIT, 1535 TULIP_CMD_TXTHRSHLDCTL); 1536 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1537 TULIP_GP_EN1207_UTP_INIT, 1538 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1539 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1540 TULIP_GP_EN1207_100_INIT, 1541 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1542 |TULIP_CMD_SCRAMBLER); 1543 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1544 TULIP_GP_EN1207_100_INIT, 1545 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1546 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1547 } 1548 1549 static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1550 TULIP_21140_EN1207, 1551 tulip_21140_accton_media_probe, 1552 tulip_media_select, 1553 tulip_null_media_poll, 1554 tulip_2114x_media_preset, 1555 }; 1556 1557 void 1558 tulip_21140_smc9332_media_probe(tulip_softc_t * const sc) 1559 { 1560 tulip_media_info_t *mip = sc->tulip_mediainfo; 1561 int idx, cnt = 0; 1562 1563 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1564 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1565 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1566 33MHz that comes to two microseconds but wait a 1567 bit longer anyways) */ 1568 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1569 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1570 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1571 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1572 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1573 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1574 DELAY(200000); 1575 for (idx = 1000; idx > 0; idx--) { 1576 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1577 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1578 if (++cnt > 100) 1579 break; 1580 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) 1581 break; 1582 else 1583 cnt = 0; 1584 DELAY(1000); 1585 } 1586 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1587 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1588 TULIP_GP_SMC_9332_INIT, 1589 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1590 |TULIP_CMD_SCRAMBLER); 1591 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1592 TULIP_GP_SMC_9332_INIT, 1593 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1594 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1595 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1596 TULIP_GP_SMC_9332_INIT, 1597 TULIP_CMD_TXTHRSHLDCTL); 1598 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1599 TULIP_GP_SMC_9332_INIT, 1600 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1601 } 1602 1603 static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1604 TULIP_21140_SMC_9332, 1605 tulip_21140_smc9332_media_probe, 1606 tulip_media_select, 1607 tulip_null_media_poll, 1608 tulip_2114x_media_preset, 1609 }; 1610 1611 void 1612 tulip_21140_cogent_em100_media_probe(tulip_softc_t * const sc) 1613 { 1614 tulip_media_info_t *mip = sc->tulip_mediainfo; 1615 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1616 1617 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1618 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1619 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1620 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1621 1622 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1623 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1624 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1625 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1626 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1627 1628 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1629 TULIP_GP_EM100_INIT, 1630 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1631 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1632 TULIP_GP_EM100_INIT, 1633 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1634 |TULIP_CMD_FULLDUPLEX); 1635 } else { 1636 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1637 sc->tulip_media = TULIP_MEDIA_100BASETX; 1638 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1639 TULIP_GP_EM100_INIT, 1640 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1641 |TULIP_CMD_SCRAMBLER); 1642 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1643 TULIP_GP_EM100_INIT, 1644 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1645 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1646 } 1647 } 1648 1649 static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1650 TULIP_21140_COGENT_EM100, 1651 tulip_21140_cogent_em100_media_probe, 1652 tulip_media_select, 1653 tulip_null_media_poll, 1654 tulip_2114x_media_preset 1655 }; 1656 1657 void 1658 tulip_21140_znyx_zx34x_media_probe(tulip_softc_t * const sc) 1659 { 1660 tulip_media_info_t *mip = sc->tulip_mediainfo; 1661 int cnt10 = 0, cnt100 = 0, idx; 1662 1663 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1664 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1665 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1666 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1667 TULIP_CSR_WRITE(sc, csr_command, 1668 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1669 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1670 TULIP_CSR_WRITE(sc, csr_command, 1671 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1672 1673 DELAY(200000); 1674 for (idx = 1000; idx > 0; idx--) { 1675 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1676 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)) { 1677 if (++cnt100 > 100) 1678 break; 1679 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1680 if (++cnt10 > 100) 1681 break; 1682 } else { 1683 cnt10 = 0; 1684 cnt100 = 0; 1685 } 1686 DELAY(1000); 1687 } 1688 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1689 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1690 TULIP_GP_ZX34X_INIT, 1691 TULIP_CMD_TXTHRSHLDCTL); 1692 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1693 TULIP_GP_ZX34X_INIT, 1694 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1695 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1696 TULIP_GP_ZX34X_INIT, 1697 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1698 |TULIP_CMD_SCRAMBLER); 1699 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1700 TULIP_GP_ZX34X_INIT, 1701 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1702 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1703 } 1704 1705 static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1706 TULIP_21140_ZNYX_ZX34X, 1707 tulip_21140_znyx_zx34x_media_probe, 1708 tulip_media_select, 1709 tulip_null_media_poll, 1710 tulip_2114x_media_preset, 1711 }; 1712 1713 void 1714 tulip_2114x_media_probe(tulip_softc_t * const sc) 1715 { 1716 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1717 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1718 } 1719 1720 static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1721 TULIP_21140_ISV, 1722 tulip_2114x_media_probe, 1723 tulip_media_select, 1724 tulip_media_poll, 1725 tulip_2114x_media_preset, 1726 }; 1727 1728 /* 1729 * ******** END of chip-specific handlers. *********** 1730 */ 1731 1732 /* 1733 * Code the read the SROM and MII bit streams (I2C) 1734 */ 1735 void 1736 tulip_delay_300ns(tulip_softc_t * const sc) 1737 { 1738 int idx; 1739 for (idx = (300 / 33) + 1; idx > 0; idx--) 1740 (void) TULIP_CSR_READ(sc, csr_busmode); 1741 } 1742 1743 void 1744 tulip_srom_idle(tulip_softc_t * const sc) 1745 { 1746 unsigned bit, csr; 1747 1748 csr = SROMSEL ; EMIT; 1749 csr = SROMSEL | SROMRD; EMIT; 1750 csr ^= SROMCS; EMIT; 1751 csr ^= SROMCLKON; EMIT; 1752 1753 /* 1754 * Write 25 cycles of 0 which will force the SROM to be idle. 1755 */ 1756 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1757 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1758 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1759 } 1760 csr ^= SROMCLKOFF; EMIT; 1761 csr ^= SROMCS; EMIT; 1762 csr = 0; EMIT; 1763 } 1764 1765 void 1766 tulip_srom_read(tulip_softc_t * const sc) 1767 { 1768 unsigned idx; 1769 const unsigned bitwidth = SROM_BITWIDTH; 1770 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1771 const unsigned msb = 1 << (bitwidth + 3 - 1); 1772 unsigned lastidx = (1 << bitwidth) - 1; 1773 1774 tulip_srom_idle(sc); 1775 1776 for (idx = 0; idx <= lastidx; idx++) { 1777 unsigned lastbit, data, bits, bit, csr; 1778 csr = SROMSEL ; EMIT; 1779 csr = SROMSEL | SROMRD; EMIT; 1780 csr ^= SROMCSON; EMIT; 1781 csr ^= SROMCLKON; EMIT; 1782 1783 lastbit = 0; 1784 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1785 const unsigned thisbit = bits & msb; 1786 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1787 if (thisbit != lastbit) { 1788 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1789 } else { 1790 EMIT; 1791 } 1792 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1793 lastbit = thisbit; 1794 } 1795 csr ^= SROMCLKOFF; EMIT; 1796 1797 for (data = 0, bits = 0; bits < 16; bits++) { 1798 data <<= 1; 1799 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1800 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1801 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1802 } 1803 sc->tulip_rombuf[idx*2] = data & 0xFF; 1804 sc->tulip_rombuf[idx*2+1] = data >> 8; 1805 csr = SROMSEL | SROMRD; EMIT; 1806 csr = 0; EMIT; 1807 } 1808 tulip_srom_idle(sc); 1809 } 1810 1811 void 1812 tulip_mii_writebits(tulip_softc_t * const sc, unsigned data, unsigned bits) 1813 { 1814 unsigned msb = 1 << (bits - 1); 1815 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1816 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1817 1818 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1819 1820 for (; bits > 0; bits--, data <<= 1) { 1821 const unsigned thisbit = data & msb; 1822 if (thisbit != lastbit) 1823 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1824 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1825 lastbit = thisbit; 1826 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1827 } 1828 } 1829 1830 void 1831 tulip_mii_turnaround(tulip_softc_t * const sc, unsigned cmd) 1832 { 1833 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1834 1835 if (cmd == MII_WRCMD) { 1836 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1837 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1838 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1839 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1840 } else 1841 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1842 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1843 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1844 } 1845 1846 unsigned 1847 tulip_mii_readbits(tulip_softc_t * const sc) 1848 { 1849 unsigned data; 1850 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1851 int idx; 1852 1853 for (idx = 0, data = 0; idx < 16; idx++) { 1854 data <<= 1; /* this is NOOP on the first pass through */ 1855 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1856 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1857 data |= 1; 1858 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1859 } 1860 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1861 1862 return (data); 1863 } 1864 1865 unsigned 1866 tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno) 1867 { 1868 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1869 unsigned data; 1870 1871 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1872 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1873 tulip_mii_writebits(sc, MII_RDCMD, 8); 1874 tulip_mii_writebits(sc, devaddr, 5); 1875 tulip_mii_writebits(sc, regno, 5); 1876 tulip_mii_turnaround(sc, MII_RDCMD); 1877 1878 data = tulip_mii_readbits(sc); 1879 #if defined(TULIP_DEBUG) 1880 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 1881 sc->tulip_dbg.dbg_phyregs[regno][1]++; 1882 #endif 1883 return (data); 1884 } 1885 1886 void 1887 tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, 1888 unsigned regno, unsigned data) 1889 { 1890 unsigned csr; 1891 1892 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1893 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1894 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1895 tulip_mii_writebits(sc, MII_WRCMD, 8); 1896 tulip_mii_writebits(sc, devaddr, 5); 1897 tulip_mii_writebits(sc, regno, 5); 1898 tulip_mii_turnaround(sc, MII_WRCMD); 1899 tulip_mii_writebits(sc, data, 16); 1900 #if defined(TULIP_DEBUG) 1901 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 1902 sc->tulip_dbg.dbg_phyregs[regno][3]++; 1903 #endif 1904 } 1905 1906 void 1907 tulip_identify_dec_nic(tulip_softc_t * const sc) 1908 { 1909 strlcpy(sc->tulip_boardid, "DEC ", sizeof(sc->tulip_boardid)); 1910 #define D0 4 1911 if (sc->tulip_chipid <= TULIP_DE425) 1912 return; 1913 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 1914 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 1915 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 1916 sc->tulip_boardid[D0+8] = ' '; 1917 } 1918 #undef D0 1919 } 1920 1921 void 1922 tulip_identify_znyx_nic(tulip_softc_t * const sc) 1923 { 1924 unsigned id = 0; 1925 strlcpy(sc->tulip_boardid, "ZNYX ZX3XX ", sizeof(sc->tulip_boardid)); 1926 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 1927 unsigned znyx_ptr; 1928 sc->tulip_boardid[8] = '4'; 1929 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 1930 if (znyx_ptr < 26 || znyx_ptr > 116) { 1931 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1932 return; 1933 } 1934 /* ZX344 = 0010 .. 0013FF 1935 */ 1936 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 1937 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 1938 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 1939 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 1940 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 1941 sc->tulip_boardid[9] = '2'; 1942 if (id == TULIP_ZNYX_ID_ZX342B) { 1943 sc->tulip_boardid[10] = 'B'; 1944 sc->tulip_boardid[11] = ' '; 1945 } 1946 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1947 } else if (id == TULIP_ZNYX_ID_ZX344) { 1948 sc->tulip_boardid[10] = '4'; 1949 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1950 } else if (id == TULIP_ZNYX_ID_ZX345) { 1951 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 1952 } else if (id == TULIP_ZNYX_ID_ZX346) { 1953 sc->tulip_boardid[9] = '6'; 1954 } else if (id == TULIP_ZNYX_ID_ZX351) { 1955 sc->tulip_boardid[8] = '5'; 1956 sc->tulip_boardid[9] = '1'; 1957 } 1958 } 1959 if (id == 0) { 1960 /* 1961 * Assume it's a ZX342... 1962 */ 1963 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1964 } 1965 return; 1966 } 1967 sc->tulip_boardid[8] = '1'; 1968 if (sc->tulip_chipid == TULIP_21041) { 1969 sc->tulip_boardid[10] = '1'; 1970 return; 1971 } 1972 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 1973 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 1974 if (id == TULIP_ZNYX_ID_ZX312T) { 1975 sc->tulip_boardid[9] = '2'; 1976 sc->tulip_boardid[10] = 'T'; 1977 sc->tulip_boardid[11] = ' '; 1978 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1979 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 1980 sc->tulip_boardid[9] = '4'; 1981 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1982 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1983 } else if (id == TULIP_ZNYX_ID_ZX314) { 1984 sc->tulip_boardid[9] = '4'; 1985 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1986 sc->tulip_features |= TULIP_HAVE_BASEROM; 1987 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 1988 sc->tulip_boardid[9] = '5'; 1989 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1990 } else if (id == TULIP_ZNYX_ID_ZX315) { 1991 sc->tulip_boardid[9] = '5'; 1992 sc->tulip_features |= TULIP_HAVE_BASEROM; 1993 } else 1994 id = 0; 1995 } 1996 if (id == 0) { 1997 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 3) == 0) { 1998 sc->tulip_boardid[9] = '4'; 1999 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2000 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2001 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2002 sc->tulip_boardid[9] = '5'; 2003 sc->tulip_boardsw = &tulip_21040_boardsw; 2004 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2005 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2006 sc->tulip_boardid[9] = '2'; 2007 sc->tulip_boardsw = &tulip_21040_boardsw; 2008 } 2009 } 2010 } 2011 2012 void 2013 tulip_identify_smc_nic(tulip_softc_t * const sc) 2014 { 2015 u_int32_t id1, id2, ei; 2016 int auibnc = 0, utp = 0; 2017 char *cp; 2018 2019 strlcpy(sc->tulip_boardid, "SMC ", sizeof(sc->tulip_boardid)); 2020 if (sc->tulip_chipid == TULIP_21041) 2021 return; 2022 if (sc->tulip_chipid != TULIP_21040) { 2023 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2024 strlcat(sc->tulip_boardid, "9332DST ", sizeof(sc->tulip_boardid)); 2025 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2026 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) 2027 strlcat(sc->tulip_boardid, "9334BDT ", sizeof(sc->tulip_boardid)); 2028 else 2029 strlcat(sc->tulip_boardid, "9332BDT ", sizeof(sc->tulip_boardid)); 2030 return; 2031 } 2032 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2033 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2034 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2035 2036 strlcat(sc->tulip_boardid, "8432", sizeof(sc->tulip_boardid)); 2037 cp = &sc->tulip_boardid[8]; 2038 if ((id1 & 1) == 0) 2039 *cp++ = 'B', auibnc = 1; 2040 if ((id1 & 0xFF) > 0x32) 2041 *cp++ = 'T', utp = 1; 2042 if ((id1 & 0x4000) == 0) 2043 *cp++ = 'A', auibnc = 1; 2044 if (id2 == 0x15) { 2045 sc->tulip_boardid[7] = '4'; 2046 *cp++ = '-'; 2047 *cp++ = 'C'; 2048 *cp++ = 'H'; 2049 *cp++ = (ei ? '2' : '1'); 2050 } 2051 *cp++ = ' '; 2052 *cp = '\0'; 2053 if (utp && !auibnc) 2054 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2055 else if (!utp && auibnc) 2056 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2057 } 2058 2059 void 2060 tulip_identify_cogent_nic(tulip_softc_t * const sc) 2061 { 2062 strlcpy(sc->tulip_boardid, "Cogent ", sizeof(sc->tulip_boardid)); 2063 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2064 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2065 strlcat(sc->tulip_boardid, "EM100TX ", sizeof(sc->tulip_boardid)); 2066 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2067 #if defined(TULIP_COGENT_EM110TX_ID) 2068 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2069 strlcat(sc->tulip_boardid, "EM110TX ", sizeof(sc->tulip_boardid)); 2070 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2071 #endif 2072 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2073 strlcat(sc->tulip_boardid, "EM100FX ", sizeof(sc->tulip_boardid)); 2074 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2075 } 2076 /* 2077 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2078 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2079 */ 2080 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2081 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2082 /* 2083 * Cogent (Adaptec) is still mapping all INTs to INTA of 2084 * first 21140. Dumb! Dumb! 2085 */ 2086 strlcat(sc->tulip_boardid, "EM440TX ", sizeof(sc->tulip_boardid)); 2087 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2088 } 2089 } else if (sc->tulip_chipid == TULIP_21040) 2090 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2091 } 2092 2093 void 2094 tulip_identify_accton_nic(tulip_softc_t * const sc) 2095 { 2096 strlcpy(sc->tulip_boardid, "ACCTON ", sizeof(sc->tulip_boardid)); 2097 switch (sc->tulip_chipid) { 2098 case TULIP_21140A: 2099 strlcat(sc->tulip_boardid, "EN1207 ", sizeof(sc->tulip_boardid)); 2100 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2101 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2102 break; 2103 case TULIP_21140: 2104 strlcat(sc->tulip_boardid, "EN1207TX ", sizeof(sc->tulip_boardid)); 2105 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2106 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2107 break; 2108 case TULIP_21040: 2109 strlcat(sc->tulip_boardid, "EN1203 ", sizeof(sc->tulip_boardid)); 2110 sc->tulip_boardsw = &tulip_21040_boardsw; 2111 break; 2112 case TULIP_21041: 2113 strlcat(sc->tulip_boardid, "EN1203 ", sizeof(sc->tulip_boardid)); 2114 sc->tulip_boardsw = &tulip_21041_boardsw; 2115 break; 2116 default: 2117 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2118 break; 2119 } 2120 } 2121 2122 void 2123 tulip_identify_asante_nic(tulip_softc_t * const sc) 2124 { 2125 strlcpy(sc->tulip_boardid, "Asante ", sizeof(sc->tulip_boardid)); 2126 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2127 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2128 tulip_media_info_t *mi = sc->tulip_mediainfo; 2129 int idx; 2130 /* 2131 * The Asante Fast Ethernet doesn't always ship with a valid 2132 * new format SROM. So if isn't in the new format, we cheat 2133 * set it up as if we had. 2134 */ 2135 2136 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2137 sc->tulip_gpdata = 0; 2138 2139 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2140 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2141 DELAY(100); 2142 TULIP_CSR_WRITE(sc, csr_gp, 0); 2143 2144 mi->mi_type = TULIP_MEDIAINFO_MII; 2145 mi->mi_gpr_length = 0; 2146 mi->mi_gpr_offset = 0; 2147 mi->mi_reset_length = 0; 2148 mi->mi_reset_offset = 0; 2149 2150 mi->mi_phyaddr = TULIP_MII_NOPHY; 2151 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2152 DELAY(10000); 2153 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2154 } 2155 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2156 #ifdef TULIP_DEBUG 2157 printf(TULIP_PRINTF_FMT ": can't find phy 0\n", TULIP_PRINTF_ARGS); 2158 #endif 2159 return; 2160 } 2161 2162 sc->tulip_features |= TULIP_HAVE_MII; 2163 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2164 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2165 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2166 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2167 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2168 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2169 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2170 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2171 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2172 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2173 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2174 2175 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2176 } 2177 } 2178 2179 void 2180 tulip_identify_compex_nic(tulip_softc_t * const sc) 2181 { 2182 strlcpy(sc->tulip_boardid, "COMPEX ", sizeof(sc->tulip_boardid)); 2183 if (sc->tulip_chipid == TULIP_21140A) { 2184 int root_unit; 2185 tulip_softc_t *root_sc = NULL; 2186 2187 strlcat(sc->tulip_boardid, "400TX/PCI ", sizeof(sc->tulip_boardid)); 2188 /* 2189 * All 4 chips on these boards share an interrupt. This code 2190 * copied from tulip_read_macaddr. 2191 */ 2192 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2193 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2194 root_sc = TULIP_UNIT_TO_SOFTC(root_unit); 2195 if (root_sc == NULL 2196 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2197 break; 2198 root_sc = NULL; 2199 } 2200 if (root_sc != NULL 2201 && root_sc->tulip_chipid == sc->tulip_chipid 2202 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2203 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2204 sc->tulip_slaves = root_sc->tulip_slaves; 2205 root_sc->tulip_slaves = sc; 2206 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) 2207 printf("\nCannot find master device for de%d interrupts", sc->tulip_unit); 2208 } else 2209 strlcat(sc->tulip_boardid, "unknown ", sizeof(sc->tulip_boardid)); 2210 2211 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2212 } 2213 2214 int 2215 tulip_srom_decode(tulip_softc_t * const sc) 2216 { 2217 unsigned idx1, idx2, idx3; 2218 2219 const tulip_srom_header_t *shp = (tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2220 const tulip_srom_adapter_info_t *saip = (tulip_srom_adapter_info_t *) (shp + 1); 2221 tulip_srom_media_t srom_media; 2222 tulip_media_info_t *mi = sc->tulip_mediainfo; 2223 const u_int8_t *dp; 2224 u_int32_t leaf_offset, blocks, data; 2225 2226 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2227 if (shp->sh_adapter_count == 1) 2228 break; 2229 if (saip->sai_device == sc->tulip_pci_devno) 2230 break; 2231 } 2232 /* 2233 * Didn't find the right media block for this card. 2234 */ 2235 if (idx1 == shp->sh_adapter_count) 2236 return (0); 2237 2238 /* 2239 * Save the hardware address. 2240 */ 2241 bcopy((caddr_t) shp->sh_ieee802_address, (caddr_t) sc->tulip_enaddr, 2242 ETHER_ADDR_LEN); 2243 /* 2244 * If this is a multiple port card, add the adapter index to the last 2245 * byte of the hardware address. (if it isn't multiport, adding 0 2246 * won't hurt. 2247 */ 2248 sc->tulip_enaddr[5] += idx1; 2249 2250 leaf_offset = saip->sai_leaf_offset_lowbyte 2251 + saip->sai_leaf_offset_highbyte * 256; 2252 dp = sc->tulip_rombuf + leaf_offset; 2253 2254 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2255 2256 for (idx2 = 0;; idx2++) { 2257 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2258 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2259 break; 2260 } 2261 sc->tulip_connidx = idx2; 2262 2263 if (sc->tulip_chipid == TULIP_21041) { 2264 blocks = *dp++; 2265 for (idx2 = 0; idx2 < blocks; idx2++) { 2266 tulip_media_t media; 2267 data = *dp++; 2268 srom_media = (tulip_srom_media_t) (data & 0x3F); 2269 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2270 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2271 break; 2272 } 2273 media = tulip_srom_mediums[idx3].sm_type; 2274 if (media != TULIP_MEDIA_UNKNOWN) { 2275 if (data & TULIP_SROM_21041_EXTENDED) { 2276 mi->mi_type = TULIP_MEDIAINFO_SIA; 2277 sc->tulip_mediums[media] = mi; 2278 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2279 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2280 mi->mi_sia_general = dp[4] + dp[5] * 256; 2281 mi++; 2282 } else { 2283 switch (media) { 2284 case TULIP_MEDIA_BNC: { 2285 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2286 mi++; 2287 break; 2288 } 2289 case TULIP_MEDIA_AUI: { 2290 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2291 mi++; 2292 break; 2293 } 2294 case TULIP_MEDIA_10BASET: { 2295 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2296 mi++; 2297 break; 2298 } 2299 case TULIP_MEDIA_10BASET_FD: { 2300 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2301 mi++; 2302 break; 2303 } 2304 default: { 2305 break; 2306 } 2307 } 2308 } 2309 } 2310 if (data & TULIP_SROM_21041_EXTENDED) 2311 dp += 6; 2312 } 2313 } else { 2314 unsigned length, type; 2315 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2316 if (sc->tulip_features & TULIP_HAVE_GPR) 2317 sc->tulip_gpinit = *dp++; 2318 blocks = *dp++; 2319 for (idx2 = 0; idx2 < blocks; idx2++) { 2320 const u_int8_t *ep; 2321 if ((*dp & 0x80) == 0) { 2322 length = 4; 2323 type = 0; 2324 } else { 2325 length = (*dp++ & 0x7f) - 1; 2326 type = *dp++ & 0x3f; 2327 } 2328 ep = dp + length; 2329 switch (type & 0x3f) { 2330 case 0: { /* 21140[A] GPR block */ 2331 tulip_media_t media; 2332 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2333 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2334 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2335 break; 2336 } 2337 media = tulip_srom_mediums[idx3].sm_type; 2338 if (media == TULIP_MEDIA_UNKNOWN) 2339 break; 2340 mi->mi_type = TULIP_MEDIAINFO_GPR; 2341 sc->tulip_mediums[media] = mi; 2342 mi->mi_gpdata = dp[1]; 2343 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2344 sc->tulip_gpdata = mi->mi_gpdata; 2345 gp_media = media; 2346 } 2347 data = dp[2] + dp[3] * 256; 2348 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2349 if (data & TULIP_SROM_2114X_NOINDICATOR) 2350 mi->mi_actmask = 0; 2351 else { 2352 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2353 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2354 } 2355 mi++; 2356 break; 2357 } 2358 case 1: { /* 21140[A] MII block */ 2359 const unsigned phyno = *dp++; 2360 mi->mi_type = TULIP_MEDIAINFO_MII; 2361 mi->mi_gpr_length = *dp++; 2362 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2363 dp += mi->mi_gpr_length; 2364 mi->mi_reset_length = *dp++; 2365 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2366 dp += mi->mi_reset_length; 2367 2368 /* 2369 * Before we probe for a PHY, use the GPR information 2370 * to select it. If we don't, it may be inaccessible. 2371 */ 2372 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2373 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2374 DELAY(10); 2375 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2376 } 2377 sc->tulip_phyaddr = mi->mi_phyaddr; 2378 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2379 DELAY(10); 2380 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2381 } 2382 2383 /* 2384 * At least write something! 2385 */ 2386 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2387 TULIP_CSR_WRITE(sc, csr_gp, 0); 2388 2389 mi->mi_phyaddr = TULIP_MII_NOPHY; 2390 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2391 DELAY(10000); 2392 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2393 } 2394 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2395 #if defined(TULIP_DEBUG) 2396 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2397 TULIP_PRINTF_ARGS, phyno); 2398 #endif 2399 break; 2400 } 2401 sc->tulip_features |= TULIP_HAVE_MII; 2402 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2403 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2404 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2405 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2406 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2407 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2408 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2409 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2410 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2411 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2412 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2413 mi++; 2414 break; 2415 } 2416 case 2: { /* 2114[23] SIA block */ 2417 tulip_media_t media; 2418 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2419 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2420 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2421 break; 2422 } 2423 media = tulip_srom_mediums[idx3].sm_type; 2424 if (media == TULIP_MEDIA_UNKNOWN) 2425 break; 2426 mi->mi_type = TULIP_MEDIAINFO_SIA; 2427 sc->tulip_mediums[media] = mi; 2428 if (dp[0] & 0x40) { 2429 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2430 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2431 mi->mi_sia_general = dp[5] + dp[6] * 256; 2432 dp += 6; 2433 } else { 2434 switch (media) { 2435 case TULIP_MEDIA_BNC: { 2436 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2437 break; 2438 } 2439 case TULIP_MEDIA_AUI: { 2440 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2441 break; 2442 } 2443 case TULIP_MEDIA_10BASET: { 2444 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2445 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2446 break; 2447 } 2448 case TULIP_MEDIA_10BASET_FD: { 2449 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2450 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2451 break; 2452 } 2453 default: { 2454 goto bad_media; 2455 } 2456 } 2457 } 2458 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2459 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2460 mi++; 2461 bad_media: 2462 break; 2463 } 2464 case 3: { /* 2114[23] MII PHY block */ 2465 const unsigned phyno = *dp++; 2466 const u_int8_t *dp0; 2467 mi->mi_type = TULIP_MEDIAINFO_MII; 2468 mi->mi_gpr_length = *dp++; 2469 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2470 dp += 2 * mi->mi_gpr_length; 2471 mi->mi_reset_length = *dp++; 2472 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2473 dp += 2 * mi->mi_reset_length; 2474 2475 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2476 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2477 DELAY(10); 2478 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2479 } 2480 sc->tulip_phyaddr = mi->mi_phyaddr; 2481 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2482 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2483 DELAY(10); 2484 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2485 } 2486 2487 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2488 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2489 2490 mi->mi_phyaddr = TULIP_MII_NOPHY; 2491 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2492 DELAY(10000); 2493 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2494 } 2495 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2496 #if defined(TULIP_DEBUG) 2497 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2498 TULIP_PRINTF_ARGS, phyno); 2499 #endif 2500 break; 2501 } 2502 sc->tulip_features |= TULIP_HAVE_MII; 2503 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2504 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2505 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2506 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2507 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2508 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2509 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2510 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2511 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2512 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2513 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2514 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2515 mi++; 2516 break; 2517 } 2518 case 4: { /* 21143 SYM block */ 2519 tulip_media_t media; 2520 srom_media = (tulip_srom_media_t) dp[0]; 2521 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2522 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2523 break; 2524 } 2525 media = tulip_srom_mediums[idx3].sm_type; 2526 if (media == TULIP_MEDIA_UNKNOWN) 2527 break; 2528 mi->mi_type = TULIP_MEDIAINFO_SYM; 2529 sc->tulip_mediums[media] = mi; 2530 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2531 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2532 data = dp[5] + dp[6] * 256; 2533 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2534 if (data & TULIP_SROM_2114X_NOINDICATOR) 2535 mi->mi_actmask = 0; 2536 else { 2537 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2538 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2539 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2540 } 2541 if (TULIP_IS_MEDIA_TP(media)) 2542 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2543 mi++; 2544 break; 2545 } 2546 default: { 2547 } 2548 } 2549 dp = ep; 2550 } 2551 } 2552 return (mi - sc->tulip_mediainfo); 2553 } 2554 2555 static const struct { 2556 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2557 unsigned char vendor_oui[3]; 2558 } tulip_vendors[] = { 2559 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2560 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2561 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2562 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2563 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2564 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2565 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2566 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2567 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2568 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2569 { NULL } 2570 }; 2571 2572 /* 2573 * This deals with the vagaries of the address roms and the 2574 * brain-deadness that various vendors commit in using them. 2575 */ 2576 int 2577 tulip_read_macaddr(tulip_softc_t * const sc) 2578 { 2579 unsigned cksum, rom_cksum, idx; 2580 u_int32_t csr; 2581 unsigned char tmpbuf[8]; 2582 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2583 2584 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2585 2586 if (sc->tulip_chipid == TULIP_21040) { 2587 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2588 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2589 int cnt = 0; 2590 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2591 cnt++; 2592 sc->tulip_rombuf[idx] = csr & 0xFF; 2593 } 2594 sc->tulip_boardsw = &tulip_21040_boardsw; 2595 } else { 2596 if (sc->tulip_chipid == TULIP_21041) { 2597 /* 2598 * Thankfully all 21041's act the same. 2599 */ 2600 sc->tulip_boardsw = &tulip_21041_boardsw; 2601 } else { 2602 /* 2603 * Assume all 21140 board are compatible with the 2604 * DEC 10/100 evaluation board. Not really valid but 2605 * it's the best we can do until every one switches to 2606 * the new SROM format. 2607 */ 2608 2609 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2610 } 2611 tulip_srom_read(sc); 2612 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2613 /* 2614 * SROM CRC is valid therefore it must be in the 2615 * new format. 2616 */ 2617 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2618 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2619 /* 2620 * No checksum is present. See if the SROM id checks out; 2621 * the first 18 bytes should be 0 followed by a 1 followed 2622 * by the number of adapters (which we don't deal with yet). 2623 */ 2624 for (idx = 0; idx < 18; idx++) { 2625 if (sc->tulip_rombuf[idx] != 0) 2626 break; 2627 } 2628 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2629 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2630 } else if (sc->tulip_chipid >= TULIP_21142) { 2631 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2632 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2633 } 2634 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2635 if (sc->tulip_chipid != TULIP_21041) 2636 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2637 2638 /* 2639 * If the SROM specifies more than one adapter, tag this as a 2640 * BASE rom. 2641 */ 2642 if (sc->tulip_rombuf[19] > 1) 2643 sc->tulip_features |= TULIP_HAVE_BASEROM; 2644 if (sc->tulip_boardsw == NULL) 2645 return (-6); 2646 goto check_oui; 2647 } 2648 } 2649 2650 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2651 /* 2652 * Some folks don't use the standard ethernet rom format 2653 * but instead just put the address in the first 6 bytes 2654 * of the rom and let the rest be all 0xffs. (Can we say 2655 * ZNYX???) (well sometimes they put in a checksum so we'll 2656 * start at 8). 2657 */ 2658 for (idx = 8; idx < 32; idx++) { 2659 if (sc->tulip_rombuf[idx] != 0xFF) 2660 return (-4); 2661 } 2662 /* 2663 * Make sure the address is not multicast or locally assigned 2664 * that the OUI is not 00-00-00. 2665 */ 2666 if ((sc->tulip_rombuf[0] & 3) != 0) 2667 return (-4); 2668 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2669 && sc->tulip_rombuf[2] == 0) 2670 return (-4); 2671 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, ETHER_ADDR_LEN); 2672 sc->tulip_features |= TULIP_HAVE_OKROM; 2673 goto check_oui; 2674 } else { 2675 /* 2676 * A number of makers of multiport boards (ZNYX and Cogent) 2677 * only put on one address ROM on their 21040 boards. So 2678 * if the ROM is all zeros (or all 0xFFs), look at the 2679 * previous configured boards (as long as they are on the same 2680 * PCI bus and the bus number is non-zero) until we find the 2681 * master board with address ROM. We then use its address ROM 2682 * as the base for this board. (we add our relative board 2683 * to the last byte of its address). 2684 */ 2685 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2686 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2687 break; 2688 } 2689 if (idx == sizeof(sc->tulip_rombuf)) { 2690 int root_unit; 2691 tulip_softc_t *root_sc = NULL; 2692 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2693 root_sc = TULIP_UNIT_TO_SOFTC(root_unit); 2694 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2695 break; 2696 root_sc = NULL; 2697 } 2698 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2699 && root_sc->tulip_chipid == sc->tulip_chipid 2700 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2701 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2702 sc->tulip_boardsw = root_sc->tulip_boardsw; 2703 strlcpy(sc->tulip_boardid, root_sc->tulip_boardid, 2704 sizeof(sc->tulip_boardid)); 2705 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2706 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2707 sizeof(sc->tulip_rombuf)); 2708 if (!tulip_srom_decode(sc)) 2709 return (-5); 2710 } else { 2711 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 2712 ETHER_ADDR_LEN); 2713 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2714 } 2715 /* 2716 * Now for a truly disgusting kludge: all 4 21040s on 2717 * the ZX314 share the same INTA line so the mapping 2718 * setup by the BIOS on the PCI bridge is worthless. 2719 * Rather than reprogramming the value in the config 2720 * register, we will handle this internally. 2721 */ 2722 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2723 sc->tulip_slaves = root_sc->tulip_slaves; 2724 root_sc->tulip_slaves = sc; 2725 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2726 } 2727 return (0); 2728 } 2729 } 2730 } 2731 2732 /* 2733 * This is the standard DEC address ROM test. 2734 */ 2735 2736 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2737 return (-3); 2738 2739 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2740 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2741 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2742 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2743 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2744 return (-2); 2745 2746 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, ETHER_ADDR_LEN); 2747 2748 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2749 cksum *= 2; 2750 if (cksum > 65535) cksum -= 65535; 2751 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2752 if (cksum > 65535) cksum -= 65535; 2753 cksum *= 2; 2754 if (cksum > 65535) cksum -= 65535; 2755 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2756 if (cksum >= 65535) cksum -= 65535; 2757 2758 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2759 2760 if (cksum != rom_cksum) 2761 return (-1); 2762 2763 check_oui: 2764 /* 2765 * Check for various boards based on OUI. Did I say braindead? 2766 */ 2767 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2768 if (bcmp((caddr_t) sc->tulip_enaddr, 2769 (caddr_t) tulip_vendors[idx].vendor_oui, 3) == 0) { 2770 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2771 break; 2772 } 2773 } 2774 2775 sc->tulip_features |= TULIP_HAVE_OKROM; 2776 return (0); 2777 } 2778 2779 void 2780 tulip_ifmedia_add(tulip_softc_t * const sc) 2781 { 2782 tulip_media_t media; 2783 int medias = 0; 2784 2785 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2786 if (sc->tulip_mediums[media] != NULL) { 2787 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2788 0, 0); 2789 medias++; 2790 } 2791 } 2792 if (medias == 0) { 2793 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2794 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2795 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2796 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2797 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2798 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2799 } else { 2800 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2801 sc->tulip_flags |= TULIP_PRINTMEDIA; 2802 tulip_linkup(sc, sc->tulip_media); 2803 } 2804 } 2805 2806 int 2807 tulip_ifmedia_change(struct ifnet * const ifp) 2808 { 2809 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 2810 2811 sc->tulip_flags |= TULIP_NEEDRESET; 2812 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2813 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2814 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2815 tulip_media_t media; 2816 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2817 if (sc->tulip_mediums[media] != NULL 2818 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2819 sc->tulip_flags |= TULIP_PRINTMEDIA; 2820 sc->tulip_flags &= ~TULIP_DIDNWAY; 2821 tulip_linkup(sc, media); 2822 return (0); 2823 } 2824 } 2825 } 2826 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2827 tulip_reset(sc); 2828 tulip_init(sc); 2829 return (0); 2830 } 2831 2832 /* 2833 * Media status callback 2834 */ 2835 void 2836 tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req) 2837 { 2838 tulip_softc_t *sc = TULIP_IFP_TO_SOFTC(ifp); 2839 2840 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 2841 return; 2842 2843 req->ifm_status = IFM_AVALID; 2844 if (sc->tulip_flags & TULIP_LINKUP) 2845 req->ifm_status |= IFM_ACTIVE; 2846 2847 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 2848 } 2849 2850 bus_dmamap_t 2851 tulip_alloc_rxmap(tulip_softc_t *sc) 2852 { 2853 return (sc->tulip_free_rxmaps[--sc->tulip_num_free_rxmaps]); 2854 } 2855 2856 void 2857 tulip_free_rxmap(tulip_softc_t *sc, bus_dmamap_t map) 2858 { 2859 sc->tulip_free_rxmaps[sc->tulip_num_free_rxmaps++] = map; 2860 } 2861 2862 bus_dmamap_t 2863 tulip_alloc_txmap(tulip_softc_t *sc) 2864 { 2865 return (sc->tulip_free_txmaps[--sc->tulip_num_free_txmaps]); 2866 } 2867 2868 void 2869 tulip_free_txmap(tulip_softc_t *sc, bus_dmamap_t map) 2870 { 2871 sc->tulip_free_txmaps[sc->tulip_num_free_txmaps++] = map; 2872 } 2873 2874 void 2875 tulip_addr_filter(tulip_softc_t * const sc) 2876 { 2877 struct arpcom *ac = &sc->tulip_ac; 2878 struct ether_multistep step; 2879 struct ether_multi *enm; 2880 2881 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 2882 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 2883 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 2884 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 2885 sc->tulip_if.if_flags &= ~IFF_ALLMULTI; 2886 if (sc->tulip_multicnt > 14) { 2887 u_int32_t *sp = sc->tulip_setupdata; 2888 unsigned hash; 2889 /* 2890 * Some early passes of the 21140 have broken implementations of 2891 * hash-perfect mode. When we get too many multicasts for perfect 2892 * filtering with these chips, we need to switch into hash-only 2893 * mode (this is better than all-multicast on network with lots 2894 * of multicast traffic). 2895 */ 2896 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 2897 sc->tulip_flags |= TULIP_WANTHASHONLY; 2898 else 2899 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 2900 /* 2901 * If we have more than 14 multicasts, we have 2902 * go into hash perfect mode (512 bit multicast 2903 * hash and one perfect hardware). 2904 */ 2905 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 2906 if (ac->ac_multirangecnt > 0) { 2907 sc->tulip_flags |= TULIP_ALLMULTI; 2908 sc->tulip_flags &= ~(TULIP_WANTHASHONLY|TULIP_WANTHASHPERFECT); 2909 } else { 2910 ETHER_FIRST_MULTI(step, ac, enm); 2911 while (enm != NULL) { 2912 hash = tulip_mchash(enm->enm_addrlo); 2913 #if BYTE_ORDER == BIG_ENDIAN 2914 sp[hash >> 4] |= swap32(1 << (hash & 0xF)); 2915 #else 2916 sp[hash >> 4] |= 1 << (hash & 0xF); 2917 #endif 2918 ETHER_NEXT_MULTI(step, enm); 2919 } 2920 } 2921 /* 2922 * No reason to use a hash if we are going to be 2923 * receiving every multicast. 2924 */ 2925 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2926 hash = tulip_mchash(etherbroadcastaddr); 2927 #if BYTE_ORDER == BIG_ENDIAN 2928 sp[hash >> 4] |= swap32(1 << (hash & 0xF)); 2929 #else 2930 sp[hash >> 4] |= 1 << (hash & 0xF); 2931 #endif 2932 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 2933 hash = tulip_mchash(sc->tulip_enaddr); 2934 #if BYTE_ORDER == BIG_ENDIAN 2935 sp[hash >> 4] |= swap32(1 << (hash & 0xF)); 2936 #else 2937 sp[hash >> 4] |= 1 << (hash & 0xF); 2938 #endif 2939 } else { 2940 #if BYTE_ORDER == BIG_ENDIAN 2941 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 2942 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 2943 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 2944 #else 2945 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 2946 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 2947 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 2948 #endif 2949 } 2950 } 2951 } 2952 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 2953 u_int32_t *sp = sc->tulip_setupdata; 2954 int idx = 0; 2955 if (ac->ac_multirangecnt > 0) 2956 sc->tulip_flags |= TULIP_ALLMULTI; 2957 2958 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2959 /* 2960 * Else can get perfect filtering for 16 addresses. 2961 */ 2962 ETHER_FIRST_MULTI(step, ac, enm); 2963 for (; enm != NULL; idx++) { 2964 #if BYTE_ORDER == BIG_ENDIAN 2965 *sp++ = ((u_int16_t *) enm->enm_addrlo)[0] << 16; 2966 *sp++ = ((u_int16_t *) enm->enm_addrlo)[1] << 16; 2967 *sp++ = ((u_int16_t *) enm->enm_addrlo)[2] << 16; 2968 #else 2969 *sp++ = ((u_int16_t *) enm->enm_addrlo)[0]; 2970 *sp++ = ((u_int16_t *) enm->enm_addrlo)[1]; 2971 *sp++ = ((u_int16_t *) enm->enm_addrlo)[2]; 2972 #endif 2973 ETHER_NEXT_MULTI(step, enm); 2974 } 2975 /* 2976 * Add the broadcast address. 2977 */ 2978 idx++; 2979 #if BYTE_ORDER == BIG_ENDIAN 2980 *sp++ = 0xFFFF << 16; 2981 *sp++ = 0xFFFF << 16; 2982 *sp++ = 0xFFFF << 16; 2983 #else 2984 *sp++ = 0xFFFF; 2985 *sp++ = 0xFFFF; 2986 *sp++ = 0xFFFF; 2987 #endif 2988 } 2989 /* 2990 * Pad the rest with our hardware address 2991 */ 2992 for (; idx < 16; idx++) { 2993 #if BYTE_ORDER == BIG_ENDIAN 2994 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 2995 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 2996 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 2997 #else 2998 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 2999 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 3000 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 3001 #endif 3002 } 3003 } 3004 if (sc->tulip_flags & TULIP_ALLMULTI) 3005 sc->tulip_if.if_flags |= IFF_ALLMULTI; 3006 } 3007 3008 void 3009 tulip_reset(tulip_softc_t * const sc) 3010 { 3011 tulip_ringinfo_t *ri; 3012 tulip_desc_t *di; 3013 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3014 3015 /* 3016 * Brilliant. Simply brilliant. When switching modes/speeds 3017 * on a 2114*, you need to set the appropriate MII/PCS/SCL/PS 3018 * bits in CSR6 and then do a software reset to get the 21140 3019 * to properly reset its internal pathways to the right places. 3020 * Grrrr. 3021 */ 3022 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 3023 && sc->tulip_boardsw->bd_media_preset != NULL) 3024 (*sc->tulip_boardsw->bd_media_preset)(sc); 3025 3026 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3027 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3028 33MHz that comes to two microseconds but wait a 3029 bit longer anyways) */ 3030 3031 if (!inreset) { 3032 sc->tulip_flags |= TULIP_INRESET; 3033 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3034 ifq_clr_oactive(&sc->tulip_if.if_snd); 3035 } 3036 3037 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txdescmap->dm_segs[0].ds_addr); 3038 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxdescmap->dm_segs[0].ds_addr); 3039 TULIP_CSR_WRITE(sc, csr_busmode, 3040 (1 << (TULIP_BURSTSIZE(sc->tulip_unit) + 8)) 3041 |TULIP_BUSMODE_CACHE_ALIGN8 3042 |TULIP_BUSMODE_READMULTIPLE 3043 |(BYTE_ORDER != LITTLE_ENDIAN ? 3044 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 3045 3046 sc->tulip_txtimer = 0; 3047 /* 3048 * Free all the mbufs that were on the transmit ring. 3049 */ 3050 for (;;) { 3051 bus_dmamap_t map; 3052 struct mbuf *m; 3053 m = ml_dequeue(&sc->tulip_txq); 3054 if (m == NULL) 3055 break; 3056 map = TULIP_GETCTX(m, bus_dmamap_t); 3057 bus_dmamap_unload(sc->tulip_dmatag, map); 3058 tulip_free_txmap(sc, map); 3059 m_freem(m); 3060 } 3061 3062 ri = &sc->tulip_txinfo; 3063 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3064 ri->ri_free = ri->ri_max; 3065 for (di = ri->ri_first; di < ri->ri_last; di++) 3066 di->d_status = 0; 3067 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_txdescmap, 3068 0, sc->tulip_txdescmap->dm_mapsize, 3069 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3070 3071 /* 3072 * We need to collect all the mbufs were on the 3073 * receive ring before we reinit it either to put 3074 * them back on or to know if we have to allocate 3075 * more. 3076 */ 3077 ri = &sc->tulip_rxinfo; 3078 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3079 ri->ri_free = ri->ri_max; 3080 for (di = ri->ri_first; di < ri->ri_last; di++) { 3081 di->d_status = 0; 3082 di->d_length1 = 0; di->d_addr1 = 0; 3083 di->d_length2 = 0; di->d_addr2 = 0; 3084 } 3085 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_rxdescmap, 3086 0, sc->tulip_rxdescmap->dm_mapsize, 3087 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3088 for (;;) { 3089 bus_dmamap_t map; 3090 struct mbuf *m; 3091 m = ml_dequeue(&sc->tulip_rxq); 3092 if (m == NULL) 3093 break; 3094 map = TULIP_GETCTX(m, bus_dmamap_t); 3095 bus_dmamap_unload(sc->tulip_dmatag, map); 3096 tulip_free_rxmap(sc, map); 3097 m_freem(m); 3098 } 3099 3100 /* 3101 * If tulip_reset is being called recursively, exit quickly knowing 3102 * that when the outer tulip_reset returns all the right stuff will 3103 * have happened. 3104 */ 3105 if (inreset) 3106 return; 3107 3108 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3109 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3110 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3111 |TULIP_STS_RXSTOPPED; 3112 3113 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3114 (*sc->tulip_boardsw->bd_media_select)(sc); 3115 #if defined(TULIP_DEBUG) 3116 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3117 printf(TULIP_PRINTF_FMT ": tulip_reset: additional reset needed?!?\n", 3118 TULIP_PRINTF_ARGS); 3119 #endif 3120 tulip_media_print(sc); 3121 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3122 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3123 3124 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3125 |TULIP_RXACT); 3126 tulip_addr_filter(sc); 3127 } 3128 3129 void 3130 tulip_init(tulip_softc_t * const sc) 3131 { 3132 if (sc->tulip_if.if_flags & IFF_UP) { 3133 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 3134 /* initialize the media */ 3135 tulip_reset(sc); 3136 } 3137 sc->tulip_if.if_flags |= IFF_RUNNING; 3138 if (sc->tulip_if.if_flags & IFF_PROMISC) { 3139 sc->tulip_flags |= TULIP_PROMISC; 3140 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3141 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3142 } else { 3143 sc->tulip_flags &= ~TULIP_PROMISC; 3144 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3145 if (sc->tulip_flags & TULIP_ALLMULTI) 3146 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3147 else 3148 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3149 } 3150 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3151 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3152 tulip_rx_intr(sc); 3153 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3154 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3155 } else { 3156 ifq_set_oactive(&sc->tulip_if.if_snd); 3157 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3158 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3159 } 3160 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3161 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3162 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3163 tulip_txput_setup(sc); 3164 } else { 3165 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3166 tulip_reset(sc); 3167 } 3168 } 3169 3170 void 3171 tulip_rx_intr(tulip_softc_t * const sc) 3172 { 3173 TULIP_PERFSTART(rxintr) 3174 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3175 struct ifnet * const ifp = &sc->tulip_if; 3176 struct mbuf_list ml = MBUF_LIST_INITIALIZER(); 3177 int fillok = 1; 3178 #if defined(TULIP_DEBUG) 3179 int cnt = 0; 3180 #endif 3181 3182 for (;;) { 3183 TULIP_PERFSTART(rxget) 3184 tulip_desc_t *eop = ri->ri_nextin; 3185 int total_len = 0, last_offset = 0; 3186 struct mbuf *ms = NULL, *me = NULL; 3187 int accept = 0; 3188 bus_dmamap_t map; 3189 int error; 3190 3191 if (fillok && ml_len(&sc->tulip_rxq) < TULIP_RXQ_TARGET) 3192 goto queue_mbuf; 3193 3194 #if defined(TULIP_DEBUG) 3195 if (cnt == ri->ri_max) 3196 break; 3197 #endif 3198 /* 3199 * If the TULIP has no descriptors, there can't be any receive 3200 * descriptors to process. 3201 */ 3202 if (eop == ri->ri_nextout) 3203 break; 3204 3205 /* 3206 * 90% of the packets will fit in one descriptor. So we optimize 3207 * for that case. 3208 */ 3209 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3210 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3211 #ifdef DIAGNOSTIC 3212 if (ml_empty(&sc->tulip_rxq)) 3213 panic("%s: tulip_rxq empty", sc->tulip_if.if_xname); 3214 #endif 3215 ms = ml_dequeue(&sc->tulip_rxq); 3216 me = ms; 3217 } else { 3218 /* 3219 * If still owned by the TULIP, don't touch it. 3220 */ 3221 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3222 break; 3223 3224 /* 3225 * It is possible (though improbable unless MCLBYTES < 1518) for 3226 * a received packet to cross more than one receive descriptor. 3227 */ 3228 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3229 if (++eop == ri->ri_last) 3230 eop = ri->ri_first; 3231 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3232 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3233 TULIP_PERFEND(rxget); 3234 goto out; 3235 } 3236 total_len++; 3237 } 3238 3239 /* 3240 * Dequeue the first buffer for the start of the packet. Hopefully 3241 * this will be the only one we need to dequeue. However, if the 3242 * packet consumed multiple descriptors, then we need to dequeue 3243 * those buffers and chain to the starting mbuf. All buffers but 3244 * the last buffer have the same length so we can set that now. 3245 * (we add to last_offset instead of multiplying since we normally 3246 * won't go into the loop and thereby saving a ourselves from 3247 * doing a multiplication by 0 in the normal case). 3248 */ 3249 ms = ml_dequeue(&sc->tulip_rxq); 3250 for (me = ms; total_len > 0; total_len--) { 3251 map = TULIP_GETCTX(me, bus_dmamap_t); 3252 TULIP_RXMAP_POSTSYNC(sc, map); 3253 bus_dmamap_unload(sc->tulip_dmatag, map); 3254 tulip_free_rxmap(sc, map); 3255 me->m_len = TULIP_RX_BUFLEN; 3256 last_offset += TULIP_RX_BUFLEN; 3257 me->m_next = ml_dequeue(&sc->tulip_rxq); 3258 me = me->m_next; 3259 } 3260 } 3261 3262 /* 3263 * Now get the size of received packet (minus the CRC). 3264 */ 3265 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3266 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3267 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0)) { 3268 me->m_len = total_len - last_offset; 3269 3270 map = TULIP_GETCTX(me, bus_dmamap_t); 3271 bus_dmamap_sync(sc->tulip_dmatag, map, 0, me->m_len, 3272 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 3273 bus_dmamap_unload(sc->tulip_dmatag, map); 3274 tulip_free_rxmap(sc, map); 3275 sc->tulip_flags |= TULIP_RXACT; 3276 accept = 1; 3277 } else { 3278 ifp->if_ierrors++; 3279 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) 3280 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3281 else { 3282 #ifdef TULIP_DEBUG 3283 const char *error = NULL; 3284 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3285 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3286 error = "frame too long"; 3287 } 3288 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3289 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3290 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3291 error = "alignment error"; 3292 } else { 3293 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3294 error = "bad crc"; 3295 } 3296 } 3297 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3298 printf(TULIP_PRINTF_FMT ": receive: %s: %s\n", 3299 TULIP_PRINTF_ARGS, 3300 ether_sprintf(mtod(ms, u_char *) + 6), 3301 error); 3302 sc->tulip_flags |= TULIP_NOMESSAGES; 3303 } 3304 #endif 3305 } 3306 3307 map = TULIP_GETCTX(me, bus_dmamap_t); 3308 bus_dmamap_unload(sc->tulip_dmatag, map); 3309 tulip_free_rxmap(sc, map); 3310 } 3311 #if defined(TULIP_DEBUG) 3312 cnt++; 3313 #endif 3314 if (++eop == ri->ri_last) 3315 eop = ri->ri_first; 3316 ri->ri_nextin = eop; 3317 queue_mbuf: 3318 /* 3319 * Either we are priming the TULIP with mbufs (m == NULL) 3320 * or we are about to accept an mbuf for the upper layers 3321 * so we need to allocate an mbuf to replace it. If we 3322 * can't replace it, send up it anyways. This may cause 3323 * us to drop packets in the future but that's better than 3324 * being caught in livelock. 3325 * 3326 * Note that if this packet crossed multiple descriptors 3327 * we don't even try to reallocate all the mbufs here. 3328 * Instead we rely on the test of the beginning of 3329 * the loop to refill for the extra consumed mbufs. 3330 */ 3331 if (accept || ms == NULL) { 3332 struct mbuf *m0; 3333 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3334 if (m0 != NULL) { 3335 #if defined(TULIP_COPY_RXDATA) 3336 if (!accept || total_len >= (MHLEN - 2)) { 3337 #endif 3338 MCLGET(m0, M_DONTWAIT); 3339 if ((m0->m_flags & M_EXT) == 0) { 3340 m_freem(m0); 3341 m0 = NULL; 3342 } 3343 #if defined(TULIP_COPY_RXDATA) 3344 } 3345 #endif 3346 } 3347 if (accept 3348 #if defined(TULIP_COPY_RXDATA) 3349 && m0 != NULL 3350 #endif 3351 ) { 3352 #if !defined(TULIP_COPY_RXDATA) 3353 ms->m_pkthdr.len = total_len; 3354 ml_enqueue(&ml, ms); 3355 #else 3356 m0->m_data += 2; /* align data after header */ 3357 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3358 m0->m_len = m0->m_pkthdr.len = total_len; 3359 ml_enqueue(&ml, m0); 3360 m0 = ms; 3361 #endif 3362 } 3363 ms = m0; 3364 } 3365 if (ms == NULL) { 3366 /* 3367 * Couldn't allocate a new buffer. Don't bother 3368 * trying to replenish the receive queue. 3369 */ 3370 fillok = 0; 3371 sc->tulip_flags |= TULIP_RXBUFSLOW; 3372 #if defined(TULIP_DEBUG) 3373 sc->tulip_dbg.dbg_rxlowbufs++; 3374 #endif 3375 TULIP_PERFEND(rxget); 3376 continue; 3377 } 3378 /* 3379 * Now give the buffer(s) to the TULIP and save in our 3380 * receive queue. 3381 */ 3382 do { 3383 tulip_desc_t * const nextout = ri->ri_nextout; 3384 if (sc->tulip_num_free_rxmaps > 0) { 3385 map = tulip_alloc_rxmap(sc); 3386 } else { 3387 m_freem(ms); 3388 sc->tulip_flags |= TULIP_RXBUFSLOW; 3389 #if defined(TULIP_DEBUG) 3390 sc->tulip_dbg.dbg_rxlowbufs++; 3391 #endif 3392 break; 3393 } 3394 TULIP_SETCTX(ms, map); 3395 error = bus_dmamap_load(sc->tulip_dmatag, map, mtod(ms, void *), 3396 TULIP_RX_BUFLEN, NULL, BUS_DMA_NOWAIT); 3397 if (error) { 3398 printf(TULIP_PRINTF_FMT ": unable to load rx map, " 3399 "error = %d\n", TULIP_PRINTF_ARGS, error); 3400 panic("tulip_rx_intr"); /* XXX */ 3401 } 3402 nextout->d_addr1 = map->dm_segs[0].ds_addr; 3403 nextout->d_length1 = map->dm_segs[0].ds_len; 3404 if (map->dm_nsegs == 2) { 3405 nextout->d_addr2 = map->dm_segs[1].ds_addr; 3406 nextout->d_length2 = map->dm_segs[1].ds_len; 3407 } else { 3408 nextout->d_addr2 = 0; 3409 nextout->d_length2 = 0; 3410 } 3411 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(*nextout)); 3412 nextout->d_status = TULIP_DSTS_OWNER; 3413 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3414 if (++ri->ri_nextout == ri->ri_last) 3415 ri->ri_nextout = ri->ri_first; 3416 me = ms->m_next; 3417 ms->m_next = NULL; 3418 ml_enqueue(&sc->tulip_rxq, ms); 3419 } while ((ms = me) != NULL); 3420 3421 if (ml_len(&sc->tulip_rxq) >= TULIP_RXQ_TARGET) 3422 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3423 TULIP_PERFEND(rxget); 3424 } 3425 out: 3426 if_input(ifp, &ml); 3427 3428 #if defined(TULIP_DEBUG) 3429 sc->tulip_dbg.dbg_rxintrs++; 3430 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3431 #endif 3432 TULIP_PERFEND(rxintr); 3433 } 3434 3435 int 3436 tulip_tx_intr(tulip_softc_t * const sc) 3437 { 3438 TULIP_PERFSTART(txintr) 3439 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3440 struct mbuf *m; 3441 int xmits = 0; 3442 int descs = 0; 3443 3444 while (ri->ri_free < ri->ri_max) { 3445 u_int32_t d_flag; 3446 3447 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3448 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3449 break; 3450 3451 ri->ri_free++; 3452 descs++; 3453 d_flag = ri->ri_nextin->d_flag; 3454 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3455 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3456 /* 3457 * We've just finished processing a setup packet. 3458 * Mark that we finished it. If there's not 3459 * another pending, startup the TULIP receiver. 3460 * Make sure we ack the RXSTOPPED so we won't get 3461 * an abnormal interrupt indication. 3462 */ 3463 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3464 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3465 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3466 sc->tulip_flags |= TULIP_HASHONLY; 3467 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3468 tulip_rx_intr(sc); 3469 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3470 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3471 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3472 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3473 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3474 } 3475 } else { 3476 const u_int32_t d_status = ri->ri_nextin->d_status; 3477 m = ml_dequeue(&sc->tulip_txq); 3478 if (m != NULL) { 3479 bus_dmamap_t map = TULIP_GETCTX(m, bus_dmamap_t); 3480 TULIP_TXMAP_POSTSYNC(sc, map); 3481 tulip_free_txmap(sc, map); 3482 #if NBPFILTER > 0 3483 if (sc->tulip_bpf != NULL) 3484 bpf_mtap(sc->tulip_if.if_bpf, m, BPF_DIRECTION_OUT); 3485 #endif 3486 m_freem(m); 3487 } 3488 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3489 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3490 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3491 #if defined(TULIP_DEBUG) 3492 if (d_status & TULIP_DSTS_TxNOCARR) 3493 sc->tulip_dbg.dbg_txprobe_nocarr++; 3494 if (d_status & TULIP_DSTS_TxEXCCOLL) 3495 sc->tulip_dbg.dbg_txprobe_exccoll++; 3496 #endif 3497 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3498 } 3499 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3500 /* 3501 * Escape from the loop before media poll has reset the TULIP! 3502 */ 3503 break; 3504 } else { 3505 xmits++; 3506 if (d_status & TULIP_DSTS_ERRSUM) { 3507 sc->tulip_if.if_oerrors++; 3508 if (d_status & TULIP_DSTS_TxEXCCOLL) 3509 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3510 if (d_status & TULIP_DSTS_TxLATECOLL) 3511 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3512 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3513 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3514 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3515 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3516 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3517 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3518 if (d_status & TULIP_DSTS_TxBABBLE) 3519 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3520 } else { 3521 u_int32_t collisions = 3522 (d_status & TULIP_DSTS_TxCOLLMASK) 3523 >> TULIP_DSTS_V_TxCOLLCNT; 3524 sc->tulip_if.if_collisions += collisions; 3525 if (collisions == 1) 3526 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3527 else if (collisions > 1) 3528 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3529 else if (d_status & TULIP_DSTS_TxDEFERRED) 3530 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3531 /* 3532 * SQE is only valid for 10baseT/BNC/AUI when not 3533 * running in full-duplex. In order to speed up the 3534 * test, the corresponding bit in tulip_flags needs to 3535 * set as well to get us to count SQE Test Errors. 3536 */ 3537 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3538 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3539 } 3540 } 3541 } 3542 } 3543 3544 if (++ri->ri_nextin == ri->ri_last) 3545 ri->ri_nextin = ri->ri_first; 3546 3547 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3548 ifq_clr_oactive(&sc->tulip_if.if_snd); 3549 } 3550 /* 3551 * If nothing left to transmit, disable the timer. 3552 * Else if progress, reset the timer back to 2 ticks. 3553 */ 3554 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3555 sc->tulip_txtimer = 0; 3556 else if (xmits > 0) 3557 sc->tulip_txtimer = TULIP_TXTIMER; 3558 TULIP_PERFEND(txintr); 3559 return (descs); 3560 } 3561 3562 void 3563 tulip_print_abnormal_interrupt(tulip_softc_t * const sc, u_int32_t csr) 3564 { 3565 #ifdef TULIP_DEBUG 3566 const char * const *msgp = tulip_status_bits; 3567 const char *sep; 3568 u_int32_t mask; 3569 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024\0"; 3570 3571 csr &= (1 << (nitems(tulip_status_bits))) - 1; 3572 printf(TULIP_PRINTF_FMT ": abnormal interrupt:", TULIP_PRINTF_ARGS); 3573 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3574 if ((csr & mask) && *msgp != NULL) { 3575 printf("%s%s", sep, *msgp); 3576 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3577 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3578 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) 3579 printf(" (switching to store-and-forward mode)"); 3580 else { 3581 printf(" (raising TX threshold to %s)", 3582 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3583 } 3584 } 3585 sep = ", "; 3586 } 3587 } 3588 printf("\n"); 3589 #endif 3590 } 3591 3592 void 3593 tulip_intr_handler(tulip_softc_t * const sc, int *progress_p) 3594 { 3595 TULIP_PERFSTART(intr) 3596 u_int32_t csr; 3597 3598 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3599 *progress_p = 1; 3600 TULIP_CSR_WRITE(sc, csr_status, csr); 3601 3602 if (csr & TULIP_STS_SYSERROR) { 3603 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3604 if (sc->tulip_flags & TULIP_NOMESSAGES) 3605 sc->tulip_flags |= TULIP_SYSTEMERROR; 3606 else { 3607 #if defined(TULIP_DEBUG) 3608 printf(TULIP_PRINTF_FMT ": system error: %s\n", 3609 TULIP_PRINTF_ARGS, 3610 tulip_system_errors[sc->tulip_last_system_error]); 3611 #endif 3612 } 3613 sc->tulip_flags |= TULIP_NEEDRESET; 3614 sc->tulip_system_errors++; 3615 break; 3616 } 3617 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3618 #if defined(TULIP_DEBUG) 3619 sc->tulip_dbg.dbg_link_intrs++; 3620 #endif 3621 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3622 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3623 ? TULIP_MEDIAPOLL_LINKFAIL 3624 : TULIP_MEDIAPOLL_LINKPASS); 3625 csr &= ~TULIP_STS_ABNRMLINTR; 3626 } 3627 tulip_media_print(sc); 3628 } 3629 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3630 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3631 if (csr & TULIP_STS_RXNOBUF) 3632 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3633 /* 3634 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3635 * on receive overflows. 3636 */ 3637 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3638 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3639 /* 3640 * Stop the receiver process and spin until it's stopped. 3641 * Tell rx_intr to drop the packets it dequeues. 3642 */ 3643 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3644 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3645 ; 3646 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3647 sc->tulip_flags |= TULIP_RXIGNORE; 3648 } 3649 tulip_rx_intr(sc); 3650 if (sc->tulip_flags & TULIP_RXIGNORE) { 3651 /* 3652 * Restart the receiver. 3653 */ 3654 sc->tulip_flags &= ~TULIP_RXIGNORE; 3655 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3656 } 3657 } 3658 if (csr & TULIP_STS_ABNRMLINTR) { 3659 u_int32_t tmp = csr & sc->tulip_intrmask 3660 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3661 if (csr & TULIP_STS_TXUNDERFLOW) { 3662 #if defined(TULIP_DEBUG) 3663 printf ("Underflow interrupt\n"); 3664 #endif 3665 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3666 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3667 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3668 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3669 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3670 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3671 } 3672 } 3673 if (sc->tulip_flags & TULIP_NOMESSAGES) 3674 sc->tulip_statusbits |= tmp; 3675 else { 3676 tulip_print_abnormal_interrupt(sc, tmp); 3677 sc->tulip_flags |= TULIP_NOMESSAGES; 3678 } 3679 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3680 } 3681 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3682 tulip_tx_intr(sc); 3683 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3684 tulip_ifstart(&sc->tulip_if); 3685 } 3686 } 3687 if (sc->tulip_flags & TULIP_NEEDRESET) { 3688 tulip_reset(sc); 3689 tulip_init(sc); 3690 } 3691 TULIP_PERFEND(intr); 3692 } 3693 3694 int 3695 tulip_intr_shared(void *arg) 3696 { 3697 tulip_softc_t * sc = arg; 3698 int progress = 0; 3699 3700 for (; sc != NULL; sc = sc->tulip_slaves) { 3701 #if defined(TULIP_DEBUG) 3702 sc->tulip_dbg.dbg_intrs++; 3703 #endif 3704 tulip_intr_handler(sc, &progress); 3705 } 3706 return (progress); 3707 } 3708 3709 int 3710 tulip_intr_normal(void *arg) 3711 { 3712 tulip_softc_t * sc = (tulip_softc_t *) arg; 3713 int progress = 0; 3714 3715 #if defined(TULIP_DEBUG) 3716 sc->tulip_dbg.dbg_intrs++; 3717 #endif 3718 tulip_intr_handler(sc, &progress); 3719 3720 return (progress); 3721 } 3722 3723 struct mbuf * 3724 tulip_txput(tulip_softc_t * const sc, struct mbuf *m, int notonqueue) 3725 { 3726 TULIP_PERFSTART(txput) 3727 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3728 tulip_desc_t *eop, *nextout; 3729 int segcnt, freedescs; 3730 u_int32_t d_status; 3731 bus_dmamap_t map; 3732 struct ifnet *ifp = &sc->tulip_if; 3733 3734 #if defined(TULIP_DEBUG) 3735 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 3736 printf(TULIP_PRINTF_FMT ": txput%s: tx not running\n", 3737 TULIP_PRINTF_ARGS, 3738 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 3739 sc->tulip_flags |= TULIP_WANTTXSTART; 3740 sc->tulip_dbg.dbg_txput_finishes[0]++; 3741 goto finish; 3742 } 3743 #endif 3744 3745 /* 3746 * Now we try to fill in our transmit descriptors. This is 3747 * a bit reminiscent of going on the Ark two by two 3748 * since each descriptor for the TULIP can describe 3749 * two buffers. So we advance through packet filling 3750 * each of the two entries at a time to fill each 3751 * descriptor. Clear the first and last segment bits 3752 * in each descriptor (actually just clear everything 3753 * but the end-of-ring or chain bits) to make sure 3754 * we don't get messed up by previously sent packets. 3755 * 3756 * We may fail to put the entire packet on the ring if 3757 * there is either not enough ring entries free or if the 3758 * packet has more than MAX_TXSEG segments. In the former 3759 * case we will just wait for the ring to empty. In the 3760 * latter case we have to recopy. 3761 */ 3762 d_status = 0; 3763 eop = nextout = ri->ri_nextout; 3764 segcnt = 0; 3765 freedescs = ri->ri_free; 3766 3767 /* 3768 * Reclaim some DMA maps from if we are out. 3769 */ 3770 if (sc->tulip_num_free_txmaps == 0) { 3771 #if defined(TULIP_DEBUG) 3772 sc->tulip_dbg.dbg_no_txmaps++; 3773 #endif 3774 freedescs += tulip_tx_intr(sc); 3775 } 3776 if (sc->tulip_num_free_txmaps > 0) 3777 map = tulip_alloc_txmap(sc); 3778 else { 3779 sc->tulip_flags |= TULIP_WANTTXSTART; 3780 #if defined(TULIP_DEBUG) 3781 sc->tulip_dbg.dbg_txput_finishes[1]++; 3782 #endif 3783 goto finish; 3784 } 3785 switch (bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT)) { 3786 case 0: 3787 break; 3788 case EFBIG: 3789 /* 3790 * The packet exceeds the number of transmit buffer 3791 * entries that we can use for one packet, so we have 3792 * to recopy it into one mbuf and then try again. 3793 */ 3794 if (m_defrag(m, M_DONTWAIT) == 0 && 3795 bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT) == 0) 3796 break; 3797 /* FALLTHROUGH */ 3798 default: 3799 tulip_free_txmap(sc, map); 3800 goto finish; 3801 } 3802 3803 if ((freedescs -= (map->dm_nsegs + 1) / 2) <= 0 3804 /* 3805 * See if there's any unclaimed space in the transmit ring. 3806 */ 3807 && (freedescs += tulip_tx_intr(sc)) <= 0) { 3808 /* 3809 * There's no more room but since nothing 3810 * has been committed at this point, just 3811 * show output is active, put back the 3812 * mbuf and return. 3813 */ 3814 sc->tulip_flags |= TULIP_WANTTXSTART; 3815 #if defined(TULIP_DEBUG) 3816 sc->tulip_dbg.dbg_txput_finishes[4]++; 3817 #endif 3818 bus_dmamap_unload(sc->tulip_dmatag, map); 3819 tulip_free_txmap(sc, map); 3820 goto finish; 3821 } 3822 for (; map->dm_nsegs - segcnt > 1; segcnt += 2) { 3823 eop = nextout; 3824 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3825 eop->d_status = d_status; 3826 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 3827 eop->d_length1 = map->dm_segs[segcnt].ds_len; 3828 eop->d_addr2 = map->dm_segs[segcnt+1].ds_addr; 3829 eop->d_length2 = map->dm_segs[segcnt+1].ds_len; 3830 d_status = TULIP_DSTS_OWNER; 3831 if (++nextout == ri->ri_last) 3832 nextout = ri->ri_first; 3833 } 3834 if (segcnt < map->dm_nsegs) { 3835 eop = nextout; 3836 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3837 eop->d_status = d_status; 3838 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 3839 eop->d_length1 = map->dm_segs[segcnt].ds_len; 3840 eop->d_addr2 = 0; 3841 eop->d_length2 = 0; 3842 if (++nextout == ri->ri_last) 3843 nextout = ri->ri_first; 3844 } 3845 TULIP_TXMAP_PRESYNC(sc, map); 3846 3847 /* 3848 * The descriptors have been filled in. Now get ready 3849 * to transmit. 3850 */ 3851 if (!notonqueue) 3852 ifq_deq_commit(&ifp->if_snd, m); 3853 3854 TULIP_SETCTX(m, map); 3855 map = NULL; 3856 3857 ml_enqueue(&sc->tulip_txq, m); 3858 m = NULL; 3859 3860 /* 3861 * Make sure the next descriptor after this packet is owned 3862 * by us since it may have been set up above if we ran out 3863 * of room in the ring. 3864 */ 3865 nextout->d_status = 0; 3866 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 3867 3868 /* 3869 * Mark the last and first segments, indicate we want a transmit 3870 * complete interrupt, and tell it to transmit! 3871 */ 3872 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 3873 3874 /* 3875 * Note that ri->ri_nextout is still the start of the packet 3876 * and until we set the OWNER bit, we can still back out of 3877 * everything we have done. 3878 */ 3879 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 3880 if (eop < ri->ri_nextout) { 3881 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 3882 (caddr_t) ri->ri_last - (caddr_t) ri->ri_nextout); 3883 TULIP_TXDESC_PRESYNC(sc, ri->ri_first, 3884 (caddr_t) (eop + 1) - (caddr_t) ri->ri_first); 3885 } else { 3886 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 3887 (caddr_t) (eop + 1) - (caddr_t) ri->ri_nextout); 3888 } 3889 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 3890 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 3891 3892 /* 3893 * This advances the ring for us. 3894 */ 3895 ri->ri_nextout = nextout; 3896 ri->ri_free = freedescs; 3897 3898 TULIP_PERFEND(txput); 3899 3900 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3901 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3902 ifq_set_oactive(&sc->tulip_if.if_snd); 3903 TULIP_PERFEND(txput); 3904 return (NULL); 3905 } 3906 3907 /* 3908 * switch back to the single queueing ifstart. 3909 */ 3910 sc->tulip_flags &= ~TULIP_WANTTXSTART; 3911 if (sc->tulip_txtimer == 0) 3912 sc->tulip_txtimer = TULIP_TXTIMER; 3913 #if defined(TULIP_DEBUG) 3914 sc->tulip_dbg.dbg_txput_finishes[5]++; 3915 #endif 3916 3917 /* 3918 * If we want a txstart, there must be not enough space in the 3919 * transmit ring. So we want to enable transmit done interrupts 3920 * so we can immediately reclaim some space. When the transmit 3921 * interrupt is posted, the interrupt handler will call tx_intr 3922 * to reclaim space and then txstart (since WANTTXSTART is set). 3923 * txstart will move the packet into the transmit ring and clear 3924 * WANTTXSTART thereby causing TXINTR to be cleared. 3925 */ 3926 finish: 3927 #if defined(TULIP_DEBUG) 3928 sc->tulip_dbg.dbg_txput_finishes[6]++; 3929 #endif 3930 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 3931 ifq_set_oactive(&sc->tulip_if.if_snd); 3932 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 3933 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3934 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3935 } 3936 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 3937 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 3938 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 3939 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3940 } 3941 } 3942 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3943 TULIP_PERFEND(txput); 3944 return (m); 3945 } 3946 3947 void 3948 tulip_txput_setup(tulip_softc_t * const sc) 3949 { 3950 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3951 tulip_desc_t *nextout; 3952 3953 /* 3954 * We will transmit, at most, one setup packet per call to ifstart. 3955 */ 3956 3957 #if defined(TULIP_DEBUG) 3958 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 3959 printf(TULIP_PRINTF_FMT ": txput_setup: tx not running\n", 3960 TULIP_PRINTF_ARGS); 3961 sc->tulip_flags |= TULIP_WANTTXSTART; 3962 return; 3963 } 3964 #endif 3965 /* 3966 * Try to reclaim some free descriptors.. 3967 */ 3968 if (ri->ri_free < 2) 3969 tulip_tx_intr(sc); 3970 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 3971 sc->tulip_flags |= TULIP_WANTTXSTART; 3972 return; 3973 } 3974 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 3975 sizeof(sc->tulip_setupdata)); 3976 /* 3977 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 3978 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 3979 */ 3980 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 3981 ri->ri_free--; 3982 nextout = ri->ri_nextout; 3983 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3984 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 3985 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 3986 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 3987 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 3988 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 3989 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 3990 3991 nextout->d_length2 = 0; 3992 nextout->d_addr2 = 0; 3993 nextout->d_length1 = sc->tulip_setupmap->dm_segs[0].ds_len; 3994 nextout->d_addr1 = sc->tulip_setupmap->dm_segs[0].ds_addr; 3995 if (sc->tulip_setupmap->dm_nsegs == 2) { 3996 nextout->d_length2 = sc->tulip_setupmap->dm_segs[1].ds_len; 3997 nextout->d_addr2 = sc->tulip_setupmap->dm_segs[1].ds_addr; 3998 } 3999 TULIP_TXMAP_PRESYNC(sc, sc->tulip_setupmap); 4000 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(*nextout)); 4001 4002 /* 4003 * Advance the ring for the next transmit packet. 4004 */ 4005 if (++ri->ri_nextout == ri->ri_last) 4006 ri->ri_nextout = ri->ri_first; 4007 4008 /* 4009 * Make sure the next descriptor is owned by us since it 4010 * may have been set up above if we ran out of room in the 4011 * ring. 4012 */ 4013 ri->ri_nextout->d_status = 0; 4014 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4015 nextout->d_status = TULIP_DSTS_OWNER; 4016 /* 4017 * Flush the ownership of the current descriptor 4018 */ 4019 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4020 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4021 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4022 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4023 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4024 } 4025 } 4026 4027 /* 4028 * This routine is entered at splnet(). 4029 */ 4030 int 4031 tulip_ifioctl(struct ifnet * ifp, u_long cmd, caddr_t data) 4032 { 4033 TULIP_PERFSTART(ifioctl) 4034 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4035 struct ifreq *ifr = (struct ifreq *) data; 4036 int s; 4037 int error = 0; 4038 4039 s = splnet(); 4040 4041 switch (cmd) { 4042 case SIOCSIFADDR: { 4043 ifp->if_flags |= IFF_UP; 4044 tulip_init(sc); 4045 break; 4046 } 4047 4048 case SIOCSIFFLAGS: { 4049 tulip_init(sc); 4050 break; 4051 } 4052 4053 case SIOCSIFMEDIA: 4054 case SIOCGIFMEDIA: { 4055 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4056 break; 4057 } 4058 4059 default: 4060 error = ether_ioctl(ifp, &sc->tulip_ac, cmd, data); 4061 } 4062 4063 if (error == ENETRESET) { 4064 if (ifp->if_flags & IFF_RUNNING) { 4065 tulip_addr_filter(sc); /* reset multicast filtering */ 4066 tulip_init(sc); 4067 } 4068 error = 0; 4069 } 4070 4071 splx(s); 4072 TULIP_PERFEND(ifioctl); 4073 return (error); 4074 } 4075 4076 /* 4077 * the original dequeueing policy is dequeue-and-prepend if something 4078 * goes wrong. 4079 * the modification becomes a bit complicated since tulip_txput() might 4080 * copy and modify the mbuf passed. 4081 */ 4082 4083 void 4084 tulip_ifstart(struct ifnet * const ifp) 4085 { 4086 TULIP_PERFSTART(ifstart) 4087 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4088 struct mbuf *m, *m0; 4089 4090 if (sc->tulip_if.if_flags & IFF_RUNNING) { 4091 4092 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4093 tulip_txput_setup(sc); 4094 4095 for (;;) { 4096 m = ifq_deq_begin(&sc->tulip_if.if_snd); 4097 if (m == NULL) 4098 break; 4099 m0 = tulip_txput(sc, m, 0); 4100 if (m0 != NULL) { 4101 KASSERT(m == m0); 4102 ifq_deq_rollback(&sc->tulip_if.if_snd, m); 4103 break; 4104 } 4105 } 4106 } 4107 4108 TULIP_PERFEND(ifstart); 4109 } 4110 4111 void 4112 tulip_ifwatchdog(struct ifnet *ifp) 4113 { 4114 TULIP_PERFSTART(ifwatchdog) 4115 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4116 4117 #if defined(TULIP_DEBUG) 4118 u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4119 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4120 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4121 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4122 #endif /* TULIP_DEBUG */ 4123 4124 sc->tulip_if.if_timer = 1; 4125 /* 4126 * These should be rare so do a bulk test up front so we can just skip 4127 * them if needed. 4128 */ 4129 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4130 /* 4131 * If the number of receive buffer is low, try to refill 4132 */ 4133 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4134 tulip_rx_intr(sc); 4135 4136 #if defined(TULIP_DEBUG) 4137 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4138 printf(TULIP_PRINTF_FMT ": %d system errors: last was %s\n", 4139 TULIP_PRINTF_ARGS, sc->tulip_system_errors, 4140 tulip_system_errors[sc->tulip_last_system_error]); 4141 } 4142 #endif 4143 if (sc->tulip_statusbits) { 4144 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4145 sc->tulip_statusbits = 0; 4146 } 4147 4148 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4149 } 4150 4151 if (sc->tulip_txtimer) 4152 tulip_tx_intr(sc); 4153 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4154 printf(TULIP_PRINTF_FMT ": transmission timeout\n", TULIP_PRINTF_ARGS); 4155 if (TULIP_DO_AUTOSENSE(sc)) { 4156 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4157 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4158 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4159 } 4160 tulip_reset(sc); 4161 tulip_init(sc); 4162 } 4163 4164 TULIP_PERFEND(ifwatchdog); 4165 TULIP_PERFMERGE(sc, perf_intr_cycles); 4166 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4167 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4168 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 4169 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4170 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4171 TULIP_PERFMERGE(sc, perf_txput_cycles); 4172 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4173 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4174 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4175 TULIP_PERFMERGE(sc, perf_intr); 4176 TULIP_PERFMERGE(sc, perf_ifstart); 4177 TULIP_PERFMERGE(sc, perf_ifioctl); 4178 TULIP_PERFMERGE(sc, perf_ifwatchdog); 4179 TULIP_PERFMERGE(sc, perf_timeout); 4180 TULIP_PERFMERGE(sc, perf_ifstart_one); 4181 TULIP_PERFMERGE(sc, perf_txput); 4182 TULIP_PERFMERGE(sc, perf_txintr); 4183 TULIP_PERFMERGE(sc, perf_rxintr); 4184 TULIP_PERFMERGE(sc, perf_rxget); 4185 } 4186 4187 /* 4188 * All printf's are real as of now! 4189 */ 4190 #ifdef printf 4191 #undef printf 4192 #endif 4193 4194 int 4195 tulip_busdma_allocmem(tulip_softc_t * const sc, size_t size, 4196 bus_dmamap_t *map_p, tulip_desc_t **desc_p) 4197 { 4198 bus_dma_segment_t segs[1]; 4199 int nsegs, error; 4200 error = bus_dmamem_alloc(sc->tulip_dmatag, size, 1, PAGE_SIZE, 4201 segs, sizeof(segs)/sizeof(segs[0]), 4202 &nsegs, BUS_DMA_NOWAIT); 4203 if (error == 0) { 4204 void *desc; 4205 error = bus_dmamem_map(sc->tulip_dmatag, segs, nsegs, size, 4206 (void *) &desc, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 4207 if (error == 0) { 4208 bus_dmamap_t map; 4209 error = bus_dmamap_create(sc->tulip_dmatag, size, 1, size, 0, 4210 BUS_DMA_NOWAIT, &map); 4211 if (error == 0) { 4212 error = bus_dmamap_load(sc->tulip_dmatag, map, desc, 4213 size, NULL, BUS_DMA_NOWAIT); 4214 if (error) 4215 bus_dmamap_destroy(sc->tulip_dmatag, map); 4216 else 4217 *map_p = map; 4218 } 4219 if (error) 4220 bus_dmamem_unmap(sc->tulip_dmatag, desc, size); 4221 } 4222 if (error) 4223 bus_dmamem_free(sc->tulip_dmatag, segs, nsegs); 4224 else 4225 *desc_p = desc; 4226 } 4227 return (error); 4228 } 4229 4230 int 4231 tulip_busdma_init(tulip_softc_t * const sc) 4232 { 4233 int error = 0; 4234 4235 /* 4236 * Allocate space and dmamap for setup descriptor 4237 */ 4238 error = tulip_busdma_allocmem(sc, sizeof(sc->tulip_setupdata), 4239 &sc->tulip_setupmap, &sc->tulip_setupbuf); 4240 4241 /* 4242 * Allocate space and dmamap for transmit ring 4243 */ 4244 if (error == 0) { 4245 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_TXDESCS, 4246 &sc->tulip_txdescmap, 4247 &sc->tulip_txdescs); 4248 } 4249 4250 /* 4251 * Allocate dmamaps for each transmit descriptor, and place on the 4252 * free list. 4253 */ 4254 if (error == 0) { 4255 while (error == 0 && sc->tulip_num_free_txmaps < TULIP_TXDESCS) { 4256 bus_dmamap_t map; 4257 if ((error = TULIP_TXMAP_CREATE(sc, &map)) == 0) 4258 tulip_free_txmap(sc, map); 4259 } 4260 if (error) { 4261 while (sc->tulip_num_free_txmaps > 0) 4262 bus_dmamap_destroy(sc->tulip_dmatag, tulip_alloc_txmap(sc)); 4263 } 4264 } 4265 4266 /* 4267 * Allocate space and dmamap for receive ring 4268 */ 4269 if (error == 0) { 4270 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_RXDESCS, 4271 &sc->tulip_rxdescmap, 4272 &sc->tulip_rxdescs); 4273 } 4274 4275 /* 4276 * Allocate dmamaps for each receive descriptor, and place on the 4277 * free list. 4278 */ 4279 if (error == 0) { 4280 while (error == 0 && sc->tulip_num_free_rxmaps < TULIP_RXDESCS) { 4281 bus_dmamap_t map; 4282 if ((error = TULIP_RXMAP_CREATE(sc, &map)) == 0) 4283 tulip_free_rxmap(sc, map); 4284 } 4285 if (error) { 4286 while (sc->tulip_num_free_rxmaps > 0) 4287 bus_dmamap_destroy(sc->tulip_dmatag, tulip_alloc_rxmap(sc)); 4288 } 4289 } 4290 return (error); 4291 } 4292 4293 void 4294 tulip_initcsrs(tulip_softc_t * const sc, bus_addr_t csr_base, size_t csr_size) 4295 { 4296 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 4297 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 4298 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 4299 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 4300 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 4301 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 4302 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 4303 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 4304 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 4305 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 4306 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 4307 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 4308 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 4309 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 4310 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 4311 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 4312 } 4313 4314 void 4315 tulip_initring(tulip_softc_t * const sc, tulip_ringinfo_t * const ri, 4316 tulip_desc_t *descs, int ndescs) 4317 { 4318 ri->ri_max = ndescs; 4319 ri->ri_first = descs; 4320 ri->ri_last = ri->ri_first + ri->ri_max; 4321 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 4322 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 4323 } 4324 4325 int 4326 tulip_probe(struct device *parent, void *match, void *aux) 4327 { 4328 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 4329 4330 if (PCI_VENDORID(pa->pa_id) != DEC_VENDORID) 4331 return (0); 4332 if (PCI_CHIPID(pa->pa_id) == CHIPID_21040 4333 || PCI_CHIPID(pa->pa_id) == CHIPID_21041 4334 || PCI_CHIPID(pa->pa_id) == CHIPID_21140 4335 || PCI_CHIPID(pa->pa_id) == CHIPID_21142) 4336 return (2); 4337 4338 return (0); 4339 } 4340 4341 void 4342 tulip_attach(struct device * const parent, struct device * const self, void * const aux) 4343 { 4344 tulip_softc_t * const sc = (tulip_softc_t *) self; 4345 struct pci_attach_args * const pa = (struct pci_attach_args *) aux; 4346 struct ifnet * const ifp = &sc->tulip_if; 4347 const int unit = sc->tulip_dev.dv_unit; 4348 int retval, idx; 4349 u_int32_t revinfo, cfdainfo, id; 4350 unsigned csroffset = TULIP_PCI_CSROFFSET; 4351 unsigned csrsize = TULIP_PCI_CSRSIZE; 4352 bus_addr_t csr_base; 4353 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 4354 4355 if (unit >= TULIP_MAX_DEVICES) { 4356 printf(": not configured; limit of %d reached or exceeded\n", 4357 TULIP_MAX_DEVICES); 4358 return; 4359 } 4360 4361 ml_init(&sc->tulip_txq); 4362 ml_init(&sc->tulip_rxq); 4363 4364 revinfo = PCI_CONF_READ(PCI_CFRV) & 0xFF; 4365 id = PCI_CONF_READ(PCI_CFID); 4366 cfdainfo = PCI_CONF_READ(PCI_CFDA); 4367 4368 if (PCI_VENDORID(id) == DEC_VENDORID) { 4369 if (PCI_CHIPID(id) == CHIPID_21040) 4370 chipid = TULIP_21040; 4371 else if (PCI_CHIPID(id) == CHIPID_21041) 4372 chipid = TULIP_21041; 4373 else if (PCI_CHIPID(id) == CHIPID_21140) 4374 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 4375 else if (PCI_CHIPID(id) == CHIPID_21142) 4376 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 4377 } 4378 4379 if (chipid == TULIP_CHIPID_UNKNOWN) 4380 return; 4381 4382 if ((chipid == TULIP_21040 || chipid == TULIP_DE425) && revinfo < 0x20) { 4383 printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n", 4384 revinfo >> 4, revinfo & 0x0f); 4385 return; 4386 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 4387 printf(": not configured; 21140 pass 1.1 required (%d.%d found)\n", 4388 revinfo >> 4, revinfo & 0x0f); 4389 return; 4390 } 4391 4392 PCI_GETBUSDEVINFO(sc); 4393 sc->tulip_chipid = chipid; 4394 sc->tulip_flags |= TULIP_DEVICEPROBE; 4395 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 4396 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 4397 if (chipid == TULIP_21140A && revinfo <= 0x22) 4398 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 4399 if (chipid == TULIP_21140) 4400 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 4401 if (chipid != TULIP_21040 && chipid != TULIP_DE425 && chipid != TULIP_21140) 4402 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 4403 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 4404 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 4405 if (chipid != TULIP_21041 || revinfo >= 0x20) 4406 sc->tulip_features |= TULIP_HAVE_SIANWAY; 4407 if (chipid != TULIP_21041) 4408 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 4409 if (chipid != TULIP_21041 && revinfo >= 0x20) 4410 sc->tulip_features |= TULIP_HAVE_SIA100; 4411 } 4412 4413 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 4414 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 4415 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 4416 PCI_CONF_WRITE(PCI_CFDA, cfdainfo); 4417 DELAY(11*1000); 4418 } 4419 4420 if (sc->tulip_features & TULIP_HAVE_STOREFWD) 4421 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 4422 4423 bcopy(self->dv_xname, sc->tulip_if.if_xname, IFNAMSIZ); 4424 sc->tulip_if.if_softc = sc; 4425 sc->tulip_pc = pa->pa_pc; 4426 sc->tulip_dmatag = pa->pa_dmat; 4427 sc->tulip_revinfo = revinfo; 4428 4429 timeout_set(&sc->tulip_stmo, tulip_timeout_callback, sc); 4430 4431 csr_base = 0; 4432 { 4433 bus_space_tag_t iot, memt; 4434 bus_space_handle_t ioh, memh; 4435 int ioh_valid, memh_valid; 4436 4437 ioh_valid = (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 4438 &iot, &ioh, NULL, NULL, 0) == 0); 4439 memh_valid = (pci_mapreg_map(pa, PCI_CBMA, 4440 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, 4441 &memt, &memh, NULL, NULL, 0) == 0); 4442 4443 if (memh_valid) { 4444 sc->tulip_bustag = memt; 4445 sc->tulip_bushandle = memh; 4446 } else if (ioh_valid) { 4447 sc->tulip_bustag = iot; 4448 sc->tulip_bushandle = ioh; 4449 } else { 4450 printf(": unable to map device registers\n"); 4451 return; 4452 } 4453 } 4454 4455 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 4456 4457 if ((retval = tulip_busdma_init(sc)) != 0) { 4458 printf(": error initing bus_dma: %d\n", retval); 4459 return; 4460 } 4461 4462 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 4463 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 4464 4465 /* 4466 * Make sure there won't be any interrupts or such... 4467 */ 4468 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4469 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 4470 33MHz that comes to two microseconds but wait a 4471 bit longer anyways) */ 4472 4473 if ((retval = tulip_read_macaddr(sc)) < 0) { 4474 printf(", %s%s pass %d.%d", sc->tulip_boardid, 4475 tulip_chipdescs[sc->tulip_chipid], 4476 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 4477 printf(": can't read ENET ROM (why=%d) (", retval); 4478 for (idx = 0; idx < 32; idx++) 4479 printf("%02x", sc->tulip_rombuf[idx]); 4480 printf(", address unknown\n"); 4481 } else { 4482 int (*intr_rtn)(void *) = tulip_intr_normal; 4483 4484 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 4485 intr_rtn = tulip_intr_shared; 4486 4487 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 4488 pci_intr_handle_t intrhandle; 4489 const char *intrstr; 4490 4491 if (pci_intr_map(pa, &intrhandle)) { 4492 printf(": couldn't map interrupt\n"); 4493 return; 4494 } 4495 4496 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 4497 sc->tulip_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_NET, 4498 intr_rtn, sc, self->dv_xname); 4499 if (sc->tulip_ih == NULL) { 4500 printf(": couldn't establish interrupt"); 4501 if (intrstr != NULL) 4502 printf(" at %s", intrstr); 4503 printf("\n"); 4504 return; 4505 } 4506 4507 printf(", %s%s pass %d.%d%s: %s, address %s\n", 4508 sc->tulip_boardid, 4509 tulip_chipdescs[sc->tulip_chipid], 4510 (sc->tulip_revinfo & 0xF0) >> 4, 4511 sc->tulip_revinfo & 0x0F, 4512 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4513 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : "", 4514 intrstr, ether_sprintf(sc->tulip_enaddr)); 4515 } 4516 4517 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST; 4518 ifp->if_ioctl = tulip_ifioctl; 4519 ifp->if_start = tulip_ifstart; 4520 ifp->if_watchdog = tulip_ifwatchdog; 4521 ifp->if_timer = 1; 4522 4523 (*sc->tulip_boardsw->bd_media_probe)(sc); 4524 ifmedia_init(&sc->tulip_ifmedia, 0, 4525 tulip_ifmedia_change, tulip_ifmedia_status); 4526 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4527 tulip_ifmedia_add(sc); 4528 4529 tulip_reset(sc); 4530 4531 if_attach(ifp); 4532 ether_ifattach(ifp); 4533 } 4534 } 4535