1/* $OpenBSD: if_de.c,v 1.143 2024/05/24 06:02:53 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/kernel.h> 48#include <sys/device.h> 49#include <sys/timeout.h> 50 51#include <net/if.h> 52#include <net/if_media.h> 53 54#include "bpfilter.h" 55#if NBPFILTER > 0 56#include <net/bpf.h> 57#endif 58 59#include <netinet/in.h> 60#include <netinet/if_ether.h> 61 62#include <machine/bus.h> 63#include <machine/intr.h> 64#include <dev/pci/pcireg.h> 65#include <dev/pci/pcivar.h> 66#include <dev/ic/dc21040reg.h> 67 68/* 69 * Intel CPUs should use I/O mapped access. 70 */ 71#if defined(__i386__) 72#define TULIP_IOMAPPED 73#endif 74 75#define TULIP_HZ 10 76 77#define TULIP_SIAGEN_WATCHDOG 0 78 79#define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 80 81#define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 82#define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 83 84#define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF) 85#define tulip_srom_crcok(databuf) ( \ 86 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 87 ((databuf)[126] | ((databuf)[127] << 8))) 88 89/* 90 * This is the PCI configuration support. Since the 21040 is available 91 * on both EISA and PCI boards, one must be careful in how defines the 92 * 21040 in the config file. 93 */ 94 95#define PCI_CFID 0x00 /* Configuration ID */ 96#define PCI_CFCS 0x04 /* Configuration Command/Status */ 97#define PCI_CFRV 0x08 /* Configuration Revision */ 98#define PCI_CFLT 0x0c /* Configuration Latency Timer */ 99#define PCI_CBIO 0x10 /* Configuration Base IO Address */ 100#define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 101#define PCI_CFIT 0x3c /* Configuration Interrupt */ 102#define PCI_CFDA 0x40 /* Configuration Driver Area */ 103 104#define PCI_CONF_WRITE(r, v) pci_conf_write(pa->pa_pc, pa->pa_tag, (r), (v)) 105#define PCI_CONF_READ(r) pci_conf_read(pa->pa_pc, pa->pa_tag, (r)) 106#define PCI_GETBUSDEVINFO(sc) do { \ 107 (sc)->tulip_pci_busno = parent; \ 108 (sc)->tulip_pci_devno = pa->pa_device; \ 109 } while (0) 110 111#include <dev/pci/if_devar.h> 112/* 113 * This module supports 114 * the DEC 21040 PCI Ethernet Controller. 115 * the DEC 21041 PCI Ethernet Controller. 116 * the DEC 21140 PCI Fast Ethernet Controller. 117 */ 118int tulip_probe(struct device *parent, void *match, void *aux); 119void tulip_attach(struct device * const parent, struct device * const self, void * const aux); 120 121const struct cfattach de_ca = { 122 sizeof(tulip_softc_t), tulip_probe, tulip_attach 123}; 124 125struct cfdriver de_cd = { 126 NULL, "de", DV_IFNET 127}; 128 129void tulip_timeout_callback(void *arg); 130void tulip_timeout(tulip_softc_t * const sc); 131int tulip_txprobe(tulip_softc_t * const sc); 132void tulip_media_set(tulip_softc_t * const sc, tulip_media_t media); 133void tulip_linkup(tulip_softc_t * const sc, tulip_media_t media); 134void tulip_media_print(tulip_softc_t * const sc); 135tulip_link_status_t tulip_media_link_monitor(tulip_softc_t * const sc); 136void tulip_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event); 137void tulip_media_select(tulip_softc_t * const sc); 138 139void tulip_21040_mediainfo_init(tulip_softc_t * const sc, tulip_media_t media); 140void tulip_21040_media_probe(tulip_softc_t * const sc); 141void tulip_21040_10baset_only_media_probe(tulip_softc_t * const sc); 142void tulip_21040_10baset_only_media_select(tulip_softc_t * const sc); 143void tulip_21040_auibnc_only_media_probe(tulip_softc_t * const sc); 144void tulip_21040_auibnc_only_media_select(tulip_softc_t * const sc); 145 146void tulip_21041_mediainfo_init(tulip_softc_t * const sc); 147void tulip_21041_media_probe(tulip_softc_t * const sc); 148void tulip_21041_media_poll(tulip_softc_t * const sc, const tulip_mediapoll_event_t event); 149 150tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc); 151unsigned tulip_mii_get_phyaddr(tulip_softc_t * const sc, unsigned offset); 152int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 153void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr); 154 155void tulip_2114x_media_preset(tulip_softc_t * const sc); 156 157void tulip_null_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event); 158 159void tulip_21140_mediainit(tulip_softc_t * const sc, tulip_media_info_t * const mip, 160 tulip_media_t const media, unsigned gpdata, unsigned cmdmode); 161void tulip_21140_evalboard_media_probe(tulip_softc_t * const sc); 162void tulip_21140_accton_media_probe(tulip_softc_t * const sc); 163void tulip_21140_smc9332_media_probe(tulip_softc_t * const sc); 164void tulip_21140_cogent_em100_media_probe(tulip_softc_t * const sc); 165void tulip_21140_znyx_zx34x_media_probe(tulip_softc_t * const sc); 166 167void tulip_2114x_media_probe(tulip_softc_t * const sc); 168 169void tulip_delay_300ns(tulip_softc_t * const sc); 170void tulip_srom_idle(tulip_softc_t * const sc); 171void tulip_srom_read(tulip_softc_t * const sc); 172void tulip_mii_writebits(tulip_softc_t * const sc, unsigned data, unsigned bits); 173void tulip_mii_turnaround(tulip_softc_t * const sc, unsigned cmd); 174unsigned tulip_mii_readbits(tulip_softc_t * const sc); 175unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno); 176void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, 177 unsigned data); 178 179void tulip_identify_dec_nic(tulip_softc_t * const sc); 180void tulip_identify_znyx_nic(tulip_softc_t * const sc); 181void tulip_identify_smc_nic(tulip_softc_t * const sc); 182void tulip_identify_cogent_nic(tulip_softc_t * const sc); 183void tulip_identify_accton_nic(tulip_softc_t * const sc); 184void tulip_identify_asante_nic(tulip_softc_t * const sc); 185void tulip_identify_compex_nic(tulip_softc_t * const sc); 186 187int tulip_srom_decode(tulip_softc_t * const sc); 188int tulip_read_macaddr(tulip_softc_t * const sc); 189void tulip_ifmedia_add(tulip_softc_t * const sc); 190int tulip_ifmedia_change(struct ifnet * const ifp); 191void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req); 192void tulip_addr_filter(tulip_softc_t * const sc); 193void tulip_reset(tulip_softc_t * const sc); 194void tulip_init(tulip_softc_t * const sc); 195void tulip_rx_intr(tulip_softc_t * const sc); 196int tulip_tx_intr(tulip_softc_t * const sc); 197void tulip_print_abnormal_interrupt(tulip_softc_t * const sc, u_int32_t csr); 198void tulip_intr_handler(tulip_softc_t * const sc, int *progress_p); 199int tulip_intr_shared(void *arg); 200int tulip_intr_normal(void *arg); 201struct mbuf *tulip_txput(tulip_softc_t * const sc, struct mbuf *m, int); 202void tulip_txput_setup(tulip_softc_t * const sc); 203int tulip_ifioctl(struct ifnet * ifp, u_long cmd, caddr_t data); 204void tulip_ifstart(struct ifnet *ifp); 205void tulip_ifwatchdog(struct ifnet *ifp); 206int tulip_busdma_allocmem(tulip_softc_t * const sc, size_t size, 207 bus_dmamap_t *map_p, tulip_desc_t **desc_p); 208int tulip_busdma_init(tulip_softc_t * const sc); 209void tulip_initcsrs(tulip_softc_t * const sc, bus_addr_t csr_base, size_t csr_size); 210void tulip_initring(tulip_softc_t * const sc, tulip_ringinfo_t * const ri, 211 tulip_desc_t *descs, int ndescs); 212 213bus_dmamap_t tulip_alloc_rxmap(tulip_softc_t *); 214void tulip_free_rxmap(tulip_softc_t *, bus_dmamap_t); 215bus_dmamap_t tulip_alloc_txmap(tulip_softc_t *); 216void tulip_free_txmap(tulip_softc_t *, bus_dmamap_t); 217 218void 219tulip_timeout_callback(void *arg) 220{ 221 tulip_softc_t * const sc = arg; 222 int s; 223 224 s = splnet(); 225 226 TULIP_PERFSTART(timeout) 227 228 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 229 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 230 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 231 232 TULIP_PERFEND(timeout); 233 splx(s); 234} 235 236void 237tulip_timeout(tulip_softc_t * const sc) 238{ 239 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 240 return; 241 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 242 timeout_add(&sc->tulip_stmo, (hz + TULIP_HZ / 2) / TULIP_HZ); 243} 244 245int 246tulip_txprobe(tulip_softc_t * const sc) 247{ 248 struct mbuf *m; 249 250 /* 251 * Before we are sure this is the right media we need 252 * to send a small packet to make sure there's carrier. 253 * Strangely, BNC and AUI will "see" receive data if 254 * either is connected so the transmit is the only way 255 * to verify the connectivity. 256 */ 257 MGETHDR(m, M_DONTWAIT, MT_DATA); 258 if (m == NULL) 259 return (0); 260 /* 261 * Construct a LLC TEST message which will point to ourselves. 262 */ 263 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 264 ETHER_ADDR_LEN); 265 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 266 ETHER_ADDR_LEN); 267 mtod(m, struct ether_header *)->ether_type = htons(3); 268 mtod(m, unsigned char *)[14] = 0; 269 mtod(m, unsigned char *)[15] = 0; 270 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 271 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 272 /* 273 * send it! 274 */ 275 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 276 sc->tulip_intrmask |= TULIP_STS_TXINTR; 277 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 278 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 279 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 280 if ((m = tulip_txput(sc, m, 1)) != NULL) 281 m_freem(m); 282 sc->tulip_probe.probe_txprobes++; 283 return (1); 284} 285 286void 287tulip_media_set(tulip_softc_t * const sc, tulip_media_t media) 288{ 289 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 290 291 if (mi == NULL) 292 return; 293 294 /* Reset the SIA first 295 */ 296 if (mi->mi_type == TULIP_MEDIAINFO_SIA || (sc->tulip_features & TULIP_HAVE_SIANWAY)) 297 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 298 299 /* Next, set full duplex if needed. 300 */ 301 if (sc->tulip_flags & TULIP_FULLDUPLEX) { 302#ifdef TULIP_DEBUG 303 if (TULIP_CSR_READ(sc, csr_command) & (TULIP_CMD_RXRUN|TULIP_CMD_TXRUN)) 304 printf(TULIP_PRINTF_FMT ": warning: board is running (FD).\n", TULIP_PRINTF_ARGS); 305 if ((TULIP_CSR_READ(sc, csr_command) & TULIP_CMD_FULLDUPLEX) == 0) 306 printf(TULIP_PRINTF_FMT ": setting full duplex.\n", TULIP_PRINTF_ARGS); 307#endif 308 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 309 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~(TULIP_CMD_RXRUN|TULIP_CMD_TXRUN)); 310 } 311 312 /* Now setup the media. 313 * 314 * If we are switching media, make sure we don't think there's 315 * any stale RX activity 316 */ 317 sc->tulip_flags &= ~TULIP_RXACT; 318 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 319 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 320 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 321 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 322 DELAY(50); 323 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 324 } else 325 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 326 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 327 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 328 /* 329 * If the cmdmode bits don't match the currently operating mode, 330 * set the cmdmode appropriately and reset the chip. 331 */ 332 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 333 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 334 sc->tulip_cmdmode |= mi->mi_cmdmode; 335 tulip_reset(sc); 336 } 337 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 338 DELAY(10); 339 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 340 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 341 /* 342 * If the cmdmode bits don't match the currently operating mode, 343 * set the cmdmode appropriately and reset the chip. 344 */ 345 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 346 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 347 sc->tulip_cmdmode |= mi->mi_cmdmode; 348 tulip_reset(sc); 349 } 350 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 351 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 352 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 353 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 354 int idx; 355 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 356 const u_int8_t *dp; 357 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 358 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 359 DELAY(10); 360 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 361 } 362 sc->tulip_phyaddr = mi->mi_phyaddr; 363 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 364 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 365 DELAY(10); 366 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 367 } 368 } else { 369 for (idx = 0; idx < mi->mi_reset_length; idx++) { 370 DELAY(10); 371 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 372 } 373 sc->tulip_phyaddr = mi->mi_phyaddr; 374 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 375 DELAY(10); 376 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 377 } 378 } 379 380 if (sc->tulip_features & TULIP_HAVE_SIANWAY) { 381 /* Set the SIA port into MII mode */ 382 TULIP_CSR_WRITE(sc, csr_sia_general, 1); 383 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, 0); 384 TULIP_CSR_WRITE(sc, csr_sia_status, 0); 385 } 386 387 if (sc->tulip_flags & TULIP_TRYNWAY) 388 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 389 else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 390 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 391 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 392 sc->tulip_flags &= ~TULIP_DIDNWAY; 393 if (TULIP_IS_MEDIA_FD(media)) 394 data |= PHYCTL_FULL_DUPLEX; 395 if (TULIP_IS_MEDIA_100MB(media)) 396 data |= PHYCTL_SELECT_100MB; 397 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 398 } 399 } 400} 401 402void 403tulip_linkup(tulip_softc_t * const sc, tulip_media_t media) 404{ 405 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 406 sc->tulip_flags |= TULIP_PRINTLINKUP; 407 sc->tulip_flags |= TULIP_LINKUP; 408 ifq_clr_oactive(&sc->tulip_if.if_snd); 409 if (sc->tulip_media != media) { 410#ifdef TULIP_DEBUG 411 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 412#endif 413 sc->tulip_media = media; 414 sc->tulip_flags |= TULIP_PRINTMEDIA; 415 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) 416 sc->tulip_flags |= TULIP_FULLDUPLEX; 417 else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) 418 sc->tulip_flags &= ~TULIP_FULLDUPLEX; 419 } 420 /* 421 * We could set probe_timeout to 0 but setting to 3000 puts this 422 * in one central place and the only matters is tulip_link is 423 * followed by a tulip_timeout. Therefore setting it should not 424 * result in aberrant behaviour. 425 */ 426 sc->tulip_probe_timeout = 3000; 427 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 428 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 429 if (sc->tulip_flags & TULIP_INRESET) 430 tulip_media_set(sc, sc->tulip_media); 431 else if (sc->tulip_probe_media != sc->tulip_media) { 432 /* 433 * No reason to change media if we have the right media. 434 */ 435 tulip_reset(sc); 436 } 437 tulip_init(sc); 438} 439 440void 441tulip_media_print(tulip_softc_t * const sc) 442{ 443 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 444 return; 445 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 446#ifdef TULIP_DEBUG 447 printf(TULIP_PRINTF_FMT ": enabling %s port\n", 448 TULIP_PRINTF_ARGS, 449 tulip_mediums[sc->tulip_media]); 450#endif 451 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 452 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 453#ifdef TULIP_DEBUG 454 printf(TULIP_PRINTF_FMT ": link up\n", TULIP_PRINTF_ARGS); 455#endif 456 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 457 } 458} 459 460tulip_link_status_t 461tulip_media_link_monitor(tulip_softc_t * const sc) 462{ 463 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 464 tulip_link_status_t linkup = TULIP_LINK_DOWN; 465 466 if (mi == NULL) { 467#if defined(TULIP_DEBUG) 468 printf("tulip_media_link_monitor: %s: botch at line %d\n", 469 tulip_mediums[sc->tulip_media],__LINE__); 470#endif 471 return (TULIP_LINK_UNKNOWN); 472 } 473 474 475 /* 476 * Have we seen some packets? If so, the link must be good. 477 */ 478 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 479 sc->tulip_flags &= ~TULIP_RXACT; 480 sc->tulip_probe_timeout = 3000; 481 return (TULIP_LINK_UP); 482 } 483 484 sc->tulip_flags &= ~TULIP_RXACT; 485 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 486 u_int32_t status; 487 /* 488 * Read the PHY status register. 489 */ 490 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS) 491 | tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 492 if (status & PHYSTS_AUTONEG_DONE) { 493 /* 494 * If the PHY has completed autonegotiation, see the if the 495 * remote systems abilities have changed. If so, upgrade or 496 * downgrade as appropriate. 497 */ 498 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 499 abilities = (abilities << 6) & status; 500 if (abilities != sc->tulip_abilities) { 501#if defined(TULIP_DEBUG) 502 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 503 TULIP_PRINTF_ARGS, sc->tulip_phyaddr, 504 sc->tulip_abilities, abilities); 505#endif 506 if (tulip_mii_map_abilities(sc, abilities)) { 507 tulip_linkup(sc, sc->tulip_probe_media); 508 return (TULIP_LINK_UP); 509 } 510 /* 511 * if we had selected media because of autonegotiation, 512 * we need to probe for the new media. 513 */ 514 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 515 if (sc->tulip_flags & TULIP_DIDNWAY) 516 return (TULIP_LINK_DOWN); 517 } 518 } 519 /* 520 * The link is now up. If was down, say its back up. 521 */ 522 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 523 linkup = TULIP_LINK_UP; 524 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 525 /* 526 * No activity sensor? Assume all's well. 527 */ 528 if (mi->mi_actmask == 0) 529 return (TULIP_LINK_UNKNOWN); 530 /* 531 * Does the activity data match? 532 */ 533 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 534 linkup = TULIP_LINK_UP; 535 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 536 /* 537 * Assume non TP ok for now. 538 */ 539 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 540 return (TULIP_LINK_UNKNOWN); 541 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 542 linkup = TULIP_LINK_UP; 543#if defined(TULIP_DEBUG) 544 if (sc->tulip_probe_timeout <= 0) 545 printf(TULIP_PRINTF_FMT ": sia status = 0x%08x\n", TULIP_PRINTF_ARGS, TULIP_CSR_READ(sc, csr_sia_status)); 546#endif 547 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) 548 return (TULIP_LINK_UNKNOWN); 549 /* 550 * We will wait for 3 seconds until the link goes into suspect mode. 551 */ 552 if (sc->tulip_flags & TULIP_LINKUP) { 553 if (linkup == TULIP_LINK_UP) 554 sc->tulip_probe_timeout = 3000; 555 if (sc->tulip_probe_timeout > 0) 556 return (TULIP_LINK_UP); 557 558 sc->tulip_flags &= ~TULIP_LINKUP; 559 } 560#if defined(TULIP_DEBUG) 561 sc->tulip_dbg.dbg_link_downed++; 562#endif 563 return (TULIP_LINK_DOWN); 564} 565 566void 567tulip_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event) 568{ 569#if defined(TULIP_DEBUG) 570 sc->tulip_dbg.dbg_events[event]++; 571#endif 572 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 573 && event == TULIP_MEDIAPOLL_TIMER) { 574 switch (tulip_media_link_monitor(sc)) { 575 case TULIP_LINK_DOWN: { 576 /* 577 * Link Monitor failed. Probe for new media. 578 */ 579 event = TULIP_MEDIAPOLL_LINKFAIL; 580 break; 581 } 582 case TULIP_LINK_UP: { 583 /* 584 * Check again soon. 585 */ 586 tulip_timeout(sc); 587 return; 588 } 589 case TULIP_LINK_UNKNOWN: { 590 /* 591 * We can't tell so don't bother. 592 */ 593 return; 594 } 595 } 596 } 597 598 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 599 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 600 if (TULIP_DO_AUTOSENSE(sc)) { 601#if defined(TULIP_DEBUG) 602 sc->tulip_dbg.dbg_link_failures++; 603#endif 604 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 605 if (sc->tulip_if.if_flags & IFF_UP) 606 tulip_reset(sc); /* restart probe */ 607 } 608 return; 609 } 610#if defined(TULIP_DEBUG) 611 sc->tulip_dbg.dbg_link_pollintrs++; 612#endif 613 } 614 615 if (event == TULIP_MEDIAPOLL_START) { 616 ifq_set_oactive(&sc->tulip_if.if_snd); 617 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 618 return; 619 sc->tulip_probe_mediamask = 0; 620 sc->tulip_probe_passes = 0; 621#if defined(TULIP_DEBUG) 622 sc->tulip_dbg.dbg_media_probes++; 623#endif 624 /* 625 * If the SROM contained an explicit media to use, use it. 626 */ 627 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 628 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 629 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 630 /* 631 * connidx is defaulted to a media_unknown type. 632 */ 633 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 634 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 635 tulip_linkup(sc, sc->tulip_probe_media); 636 tulip_timeout(sc); 637 return; 638 } 639 640 if (sc->tulip_features & TULIP_HAVE_GPR) { 641 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 642 sc->tulip_probe_timeout = 2000; 643 } else { 644 sc->tulip_probe_media = TULIP_MEDIA_MAX; 645 sc->tulip_probe_timeout = 0; 646 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 647 } 648 } 649 650 /* 651 * Ignore txprobe failures or spurious callbacks. 652 */ 653 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 654 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 655 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 656 return; 657 } 658 659 /* 660 * If we really transmitted a packet, then that's the media we'll use. 661 */ 662 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 663 if (event == TULIP_MEDIAPOLL_LINKPASS) { 664 /* XXX Check media status just to be sure */ 665 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 666#if defined(TULIP_DEBUG) 667 } else { 668 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 669#endif 670 } 671 tulip_linkup(sc, sc->tulip_probe_media); 672 tulip_timeout(sc); 673 return; 674 } 675 676 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 677 /* 678 * Brute force. We cycle through each of the media types 679 * and try to transmit a packet. 680 */ 681 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 682 sc->tulip_probe_media = TULIP_MEDIA_MAX; 683 sc->tulip_probe_timeout = 0; 684 tulip_timeout(sc); 685 return; 686 } 687 688 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 689 && (sc->tulip_features & TULIP_HAVE_MII)) { 690 tulip_media_t old_media = sc->tulip_probe_media; 691 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 692 switch (sc->tulip_probe_state) { 693 case TULIP_PROBE_FAILED: 694 case TULIP_PROBE_MEDIATEST: { 695 /* 696 * Try the next media. 697 */ 698 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 699 sc->tulip_probe_timeout = 0; 700 break; 701 } 702 case TULIP_PROBE_PHYAUTONEG: { 703 return; 704 } 705 case TULIP_PROBE_INACTIVE: { 706 /* 707 * Only probe if we autonegotiated a media that hasn't failed. 708 */ 709 sc->tulip_probe_timeout = 0; 710 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 711 sc->tulip_probe_media = old_media; 712 break; 713 } 714 tulip_linkup(sc, sc->tulip_probe_media); 715 tulip_timeout(sc); 716 return; 717 } 718 default: { 719#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 720 printf("tulip_media_poll: botch at line %d\n", __LINE__); 721#endif 722 break; 723 } 724 } 725 } 726 727 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 728#if defined(TULIP_DEBUG) 729 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 730#endif 731 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 732 return; 733 } 734 735 /* 736 * Switch to another media if we tried this one enough. 737 */ 738 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 739#if defined(TULIP_DEBUG) 740 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 741 printf(TULIP_PRINTF_FMT ": poll media unknown!\n", 742 TULIP_PRINTF_ARGS); 743 sc->tulip_probe_media = TULIP_MEDIA_MAX; 744 } 745#endif 746 /* 747 * Find the next media type to check for. Full Duplex 748 * types are not allowed. 749 */ 750 do { 751 sc->tulip_probe_media -= 1; 752 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 753 if (++sc->tulip_probe_passes == 3) { 754 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 755 sc->tulip_if.if_flags &= ~IFF_RUNNING; 756 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 757 return; 758 } 759 } 760 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 761 sc->tulip_probe_mediamask = 0; 762 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 763 } 764 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 765 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 766 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 767 768#if defined(TULIP_DEBUG) 769 printf(TULIP_PRINTF_FMT ": %s: probing %s\n", TULIP_PRINTF_ARGS, 770 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 771 tulip_mediums[sc->tulip_probe_media]); 772#endif 773 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 774 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 775 sc->tulip_probe.probe_txprobes = 0; 776 tulip_reset(sc); 777 tulip_media_set(sc, sc->tulip_probe_media); 778 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 779 } 780 tulip_timeout(sc); 781 782 /* 783 * If this is hanging off a phy, we know are doing NWAY and we have 784 * forced the phy to a specific speed. Wait for link up before 785 * before sending a packet. 786 */ 787 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 788 case TULIP_MEDIAINFO_MII: { 789 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 790 return; 791 break; 792 } 793 case TULIP_MEDIAINFO_SIA: { 794 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 795 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 796 return; 797 tulip_linkup(sc, sc->tulip_probe_media); 798 return; 799 } 800 break; 801 } 802 case TULIP_MEDIAINFO_RESET: 803 case TULIP_MEDIAINFO_SYM: 804 case TULIP_MEDIAINFO_NONE: 805 case TULIP_MEDIAINFO_GPR: { 806 break; 807 } 808 } 809 /* 810 * Try to send a packet. 811 */ 812 tulip_txprobe(sc); 813} 814 815void 816tulip_media_select(tulip_softc_t * const sc) 817{ 818 if (sc->tulip_features & TULIP_HAVE_GPR) { 819 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 820 DELAY(10); 821 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 822 } 823 /* 824 * If this board has no media, just return 825 */ 826 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 827 return; 828 829 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 830 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 831 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 832 } else 833 tulip_media_set(sc, sc->tulip_media); 834} 835 836void 837tulip_21040_mediainfo_init(tulip_softc_t * const sc, tulip_media_t media) 838{ 839 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 840 |TULIP_CMD_BACKOFFCTR; 841 sc->tulip_if.if_baudrate = 10000000; 842 843 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 844 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 845 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 846 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 847 } 848 849 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) 850 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 851 852 if (media == TULIP_MEDIA_UNKNOWN) 853 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 854} 855 856void 857tulip_21040_media_probe(tulip_softc_t * const sc) 858{ 859 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 860} 861 862void 863tulip_21040_10baset_only_media_probe(tulip_softc_t * const sc) 864{ 865 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 866 tulip_media_set(sc, TULIP_MEDIA_10BASET); 867 sc->tulip_media = TULIP_MEDIA_10BASET; 868} 869 870void 871tulip_21040_10baset_only_media_select(tulip_softc_t * const sc) 872{ 873 sc->tulip_flags |= TULIP_LINKUP; 874 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 875 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 876 sc->tulip_flags &= ~TULIP_SQETEST; 877 } else { 878 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 879 sc->tulip_flags |= TULIP_SQETEST; 880 } 881 tulip_media_set(sc, sc->tulip_media); 882} 883 884void 885tulip_21040_auibnc_only_media_probe(tulip_softc_t * const sc) 886{ 887 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 888 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 889 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 890 sc->tulip_media = TULIP_MEDIA_AUIBNC; 891} 892 893void 894tulip_21040_auibnc_only_media_select(tulip_softc_t * const sc) 895{ 896 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 897 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 898} 899 900static const tulip_boardsw_t tulip_21040_boardsw = { 901 TULIP_21040_GENERIC, 902 tulip_21040_media_probe, 903 tulip_media_select, 904 tulip_media_poll, 905}; 906 907static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 908 TULIP_21040_GENERIC, 909 tulip_21040_10baset_only_media_probe, 910 tulip_21040_10baset_only_media_select, 911 NULL, 912}; 913 914static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 915 TULIP_21040_GENERIC, 916 tulip_21040_auibnc_only_media_probe, 917 tulip_21040_auibnc_only_media_select, 918 NULL, 919}; 920 921void 922tulip_21041_mediainfo_init(tulip_softc_t * const sc) 923{ 924 tulip_media_info_t * const mi = sc->tulip_mediainfo; 925 926 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 927 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 928 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 929 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 930} 931 932void 933tulip_21041_media_probe(tulip_softc_t * const sc) 934{ 935 sc->tulip_if.if_baudrate = 10000000; 936 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 937 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 938 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 939 tulip_21041_mediainfo_init(sc); 940} 941 942void 943tulip_21041_media_poll(tulip_softc_t * const sc, const tulip_mediapoll_event_t event) 944{ 945 u_int32_t sia_status; 946 947#if defined(TULIP_DEBUG) 948 sc->tulip_dbg.dbg_events[event]++; 949#endif 950 951 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 952 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 953 || !TULIP_DO_AUTOSENSE(sc)) 954 return; 955 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 956 tulip_reset(sc); /* start probe */ 957 return; 958 } 959 960 /* 961 * If we've been asked to start a poll or link change interrupt 962 * restart the probe (and reset the tulip to a known state). 963 */ 964 if (event == TULIP_MEDIAPOLL_START) { 965 ifq_set_oactive(&sc->tulip_if.if_snd); 966 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 967 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 968 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 969 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 970 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 971 tulip_media_set(sc, TULIP_MEDIA_10BASET); 972 tulip_timeout(sc); 973 return; 974 } 975 976 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 977 return; 978 979 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 980#if defined(TULIP_DEBUG) 981 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 982#endif 983 tulip_linkup(sc, sc->tulip_probe_media); 984 return; 985 } 986 987 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 988 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 989 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 990 if (sc->tulip_revinfo >= 0x20) { 991 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 992 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 993 } 994 /* 995 * If the link has passed LinkPass, 10baseT is the 996 * proper media to use. 997 */ 998 tulip_linkup(sc, sc->tulip_probe_media); 999 return; 1000 } 1001 1002 /* 1003 * wait for up to 2.4 seconds for the link to reach pass state. 1004 * Only then start scanning the other media for activity. 1005 * choose media with receive activity over those without. 1006 */ 1007 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1008 if (event != TULIP_MEDIAPOLL_TIMER) 1009 return; 1010 if (sc->tulip_probe_timeout > 0 1011 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1012 tulip_timeout(sc); 1013 return; 1014 } 1015 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1016 sc->tulip_flags |= TULIP_WANTRXACT; 1017 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) 1018 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1019 else 1020 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1021 tulip_media_set(sc, sc->tulip_probe_media); 1022 tulip_timeout(sc); 1023 return; 1024 } 1025 1026 /* 1027 * If we failed, clear the txprobe active flag. 1028 */ 1029 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1030 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1031 1032 1033 if (event == TULIP_MEDIAPOLL_TIMER) { 1034 /* 1035 * If we've received something, then that's our link! 1036 */ 1037 if (sc->tulip_flags & TULIP_RXACT) { 1038 tulip_linkup(sc, sc->tulip_probe_media); 1039 return; 1040 } 1041 /* 1042 * if no txprobe active 1043 */ 1044 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1045 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1046 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1047 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1048 tulip_txprobe(sc); 1049 tulip_timeout(sc); 1050 return; 1051 } 1052 /* 1053 * Take 2 passes through before deciding to not 1054 * wait for receive activity. Then take another 1055 * two passes before spitting out a warning. 1056 */ 1057 if (sc->tulip_probe_timeout <= 0) { 1058 if (sc->tulip_flags & TULIP_WANTRXACT) { 1059 sc->tulip_flags &= ~TULIP_WANTRXACT; 1060 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1061 } else { 1062 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1063 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1064 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1065 return; 1066 } 1067 } 1068 } 1069 } 1070 1071 /* 1072 * Since this media failed to probe, try the other one. 1073 */ 1074 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1075 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) 1076 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1077 else 1078 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1079 tulip_media_set(sc, sc->tulip_probe_media); 1080 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1081 tulip_timeout(sc); 1082} 1083 1084static const tulip_boardsw_t tulip_21041_boardsw = { 1085 TULIP_21041_GENERIC, 1086 tulip_21041_media_probe, 1087 tulip_media_select, 1088 tulip_21041_media_poll 1089}; 1090 1091static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1092 { 0x20005c00, 0, /* 08-00-17 */ 1093 { 1094 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1095 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1096 }, 1097#if defined(TULIP_DEBUG) 1098 "NS DP83840", 1099#endif 1100 }, 1101 { 0x0281F400, 0, /* 00-A0-7D */ 1102 { 1103 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1104 { 0 }, /* 100TX */ 1105 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1106 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1107 }, 1108#if defined(TULIP_DEBUG) 1109 "Seeq 80C240" 1110#endif 1111 }, 1112 { 0x0281F400, 3, /* 00-A0-7D */ 1113 { 1114 { 0x12, 0x0080, 0x0000 }, /* 10T */ 1115 { 0x12, 0x0080, 0x0080 }, /* 100TX */ 1116 { 0 }, /* 100T4 */ 1117 { 0x12, 0x0040, 0x0040 }, /* FULL_DUPLEX */ 1118 }, 1119#if defined(TULIP_DEBUG) 1120 "Seeq 80225" 1121#endif 1122 }, 1123 { 0x0281F400, 0, /* 00-A0-BE */ 1124 { 1125 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1126 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1127 { 0 }, /* 100T4 */ 1128 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1129 }, 1130#if defined(TULIP_DEBUG) 1131 "ICS 1890" 1132#endif 1133 }, 1134 { 0x78100000, 0, /* 00-A0-CC */ 1135 { 1136 { 0x14, 0x0800, 0x0000 }, /* 10TX */ 1137 { 0x14, 0x0800, 0x0800 }, /* 100TX */ 1138 { 0 }, /* 100T4 */ 1139 { 0x14, 0x1000, 0x1000 }, /* FULL_DUPLEX */ 1140 }, 1141#if defined(TULIP_DEBUG) 1142 "LEVEL1 LXT970" 1143#endif 1144 }, 1145 { 0 } 1146}; 1147 1148tulip_media_t 1149tulip_mii_phy_readspecific(tulip_softc_t * const sc) 1150{ 1151 const tulip_phy_attr_t *attr; 1152 u_int16_t data; 1153 u_int32_t id; 1154 unsigned idx = 0; 1155 static const tulip_media_t table[] = { 1156 TULIP_MEDIA_UNKNOWN, 1157 TULIP_MEDIA_10BASET, 1158 TULIP_MEDIA_100BASETX, 1159 TULIP_MEDIA_100BASET4, 1160 TULIP_MEDIA_UNKNOWN, 1161 TULIP_MEDIA_10BASET_FD, 1162 TULIP_MEDIA_100BASETX_FD, 1163 TULIP_MEDIA_UNKNOWN 1164 }; 1165 1166 /* 1167 * Don't read phy specific registers if link is not up. 1168 */ 1169 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS) 1170 | tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1171 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1172 return (TULIP_MEDIA_UNKNOWN); 1173 1174 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1175 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1176 for (attr = tulip_mii_phy_attrlist;; attr++) { 1177 if (attr->attr_id == 0) 1178 return (TULIP_MEDIA_UNKNOWN); 1179 if ((id & ~0x0F) == attr->attr_id) 1180 break; 1181 } 1182 1183 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1184 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1185 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1186 if ((data & pm->pm_mask) == pm->pm_value) 1187 idx = 2; 1188 } 1189 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1190 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1191 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1192 if ((data & pm->pm_mask) == pm->pm_value) 1193 idx = 3; 1194 } 1195 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1196 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1197 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1198 if ((data & pm->pm_mask) == pm->pm_value) 1199 idx = 1; 1200 } 1201 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1202 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1203 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1204 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1205 } 1206 return (table[idx]); 1207} 1208 1209unsigned 1210tulip_mii_get_phyaddr(tulip_softc_t * const sc, unsigned offset) 1211{ 1212 unsigned phyaddr; 1213 1214 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1215 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1216 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1217 continue; 1218 if (offset == 0) 1219 return (phyaddr); 1220 offset--; 1221 } 1222 if (offset == 0) { 1223 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1224 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1225 return (TULIP_MII_NOPHY); 1226 return (0); 1227 } 1228 return (TULIP_MII_NOPHY); 1229} 1230 1231int 1232tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities) 1233{ 1234 sc->tulip_abilities = abilities; 1235 if (abilities & PHYSTS_100BASETX_FD) 1236 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1237 else if (abilities & PHYSTS_100BASET4) 1238 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1239 else if (abilities & PHYSTS_100BASETX) 1240 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1241 else if (abilities & PHYSTS_10BASET_FD) 1242 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1243 else if (abilities & PHYSTS_10BASET) 1244 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1245 else { 1246 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1247 return (0); 1248 } 1249 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1250 return (1); 1251} 1252 1253void 1254tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr) 1255{ 1256 switch (sc->tulip_probe_state) { 1257 case TULIP_PROBE_MEDIATEST: 1258 case TULIP_PROBE_INACTIVE: { 1259 sc->tulip_flags |= TULIP_DIDNWAY; 1260 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1261 sc->tulip_probe_timeout = 3000; 1262 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1263 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1264 /* FALLTHROUGH */ 1265 } 1266 case TULIP_PROBE_PHYRESET: { 1267 u_int32_t status; 1268 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1269 if (data & PHYCTL_RESET) { 1270 if (sc->tulip_probe_timeout > 0) { 1271 tulip_timeout(sc); 1272 return; 1273 } 1274#ifdef TULIP_DEBUG 1275 printf(TULIP_PRINTF_FMT "(phy%d): error: reset of PHY never completed!\n", 1276 TULIP_PRINTF_ARGS, phyaddr); 1277#endif 1278 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1279 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1280 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1281 return; 1282 } 1283 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS) 1284 | tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1285 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1286#if defined(TULIP_DEBUG) 1287 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation disabled\n", 1288 TULIP_PRINTF_ARGS, phyaddr); 1289#endif 1290 sc->tulip_flags &= ~TULIP_DIDNWAY; 1291 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1292 return; 1293 } 1294 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1295 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1296 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1297 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1298#if defined(TULIP_DEBUG) 1299 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1300 printf(TULIP_PRINTF_FMT "(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1301 TULIP_PRINTF_ARGS, phyaddr, data); 1302 else 1303 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation restarted: 0x%04x (ad=0x%04x)\n", 1304 TULIP_PRINTF_ARGS, phyaddr, data, 1305 tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT)); 1306 sc->tulip_dbg.dbg_nway_starts++; 1307#endif 1308 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1309 sc->tulip_probe_timeout = 3000; 1310 /* FALLTHROUGH */ 1311 } 1312 case TULIP_PROBE_PHYAUTONEG: { 1313 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS) 1314 | tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1315 u_int32_t data; 1316 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1317 if (sc->tulip_probe_timeout > 0) { 1318 tulip_timeout(sc); 1319 return; 1320 } 1321#if defined(TULIP_DEBUG) 1322 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1323 TULIP_PRINTF_ARGS, phyaddr, status, 1324 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1325#endif 1326 sc->tulip_flags &= ~TULIP_DIDNWAY; 1327 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1328 return; 1329 } 1330 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES) 1331 | tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1332#if defined(TULIP_DEBUG) 1333 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation complete: 0x%04x (sts=0x%04x)\n", 1334 TULIP_PRINTF_ARGS, phyaddr, data, status); 1335#endif 1336 data = (data << 6) & status; 1337 if (!tulip_mii_map_abilities(sc, data)) 1338 sc->tulip_flags &= ~TULIP_DIDNWAY; 1339 return; 1340 } 1341 default: { 1342#if defined(DIAGNOSTIC) 1343 printf("tulip_media_poll: botch at line %d\n", __LINE__); 1344#endif 1345 break; 1346 } 1347 } 1348#if defined(TULIP_DEBUG) 1349 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation failure: state = %d\n", 1350 TULIP_PRINTF_ARGS, phyaddr, sc->tulip_probe_state); 1351 sc->tulip_dbg.dbg_nway_failures++; 1352#endif 1353} 1354 1355void 1356tulip_2114x_media_preset(tulip_softc_t * const sc) 1357{ 1358 const tulip_media_info_t *mi = NULL; 1359 tulip_media_t media = sc->tulip_media; 1360 1361 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1362 media = sc->tulip_media; 1363 else 1364 media = sc->tulip_probe_media; 1365 1366 sc->tulip_cmdmode &= ~(TULIP_CMD_PORTSELECT|TULIP_CMD_NOHEARTBEAT 1367 |TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1368 sc->tulip_flags &= ~(TULIP_SQETEST|TULIP_FULLDUPLEX); 1369 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1370#if defined(TULIP_DEBUG) 1371 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1372#endif 1373 mi = sc->tulip_mediums[media]; 1374 if (mi->mi_type == TULIP_MEDIAINFO_MII) 1375 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1376 else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1377 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1378 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1379 sc->tulip_cmdmode |= mi->mi_cmdmode; 1380 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) 1381 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1382#if defined(TULIP_DEBUG) 1383 } else { 1384 printf(TULIP_PRINTF_FMT ": preset: bad media %d!\n", 1385 TULIP_PRINTF_ARGS, media); 1386 } 1387#endif 1388 } 1389 switch (media) { 1390 case TULIP_MEDIA_BNC: 1391 case TULIP_MEDIA_AUI: 1392 case TULIP_MEDIA_10BASET: { 1393 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1394 sc->tulip_if.if_baudrate = 10000000; 1395 sc->tulip_flags |= TULIP_SQETEST; 1396 break; 1397 } 1398 case TULIP_MEDIA_10BASET_FD: { 1399 sc->tulip_flags |= TULIP_FULLDUPLEX; 1400 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX; 1401 sc->tulip_if.if_baudrate = 10000000; 1402 break; 1403 } 1404 case TULIP_MEDIA_100BASEFX: 1405 case TULIP_MEDIA_100BASET4: 1406 case TULIP_MEDIA_100BASETX: { 1407 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1408 sc->tulip_if.if_baudrate = 100000000; 1409 if (mi->mi_type == TULIP_MEDIAINFO_SYM 1410 || mi->mi_type == TULIP_MEDIAINFO_MII) { 1411 sc->tulip_cmdmode |= TULIP_CMD_NOHEARTBEAT; 1412 } 1413 break; 1414 } 1415 case TULIP_MEDIA_100BASEFX_FD: 1416 case TULIP_MEDIA_100BASETX_FD: { 1417 sc->tulip_flags |= TULIP_FULLDUPLEX; 1418 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT|TULIP_CMD_FULLDUPLEX; 1419 sc->tulip_if.if_baudrate = 100000000; 1420 if (mi->mi_type == TULIP_MEDIAINFO_SYM 1421 || mi->mi_type == TULIP_MEDIAINFO_MII) { 1422 sc->tulip_cmdmode |= TULIP_CMD_NOHEARTBEAT; 1423 } 1424 break; 1425 } 1426 default: { 1427 break; 1428 } 1429 } 1430 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1431} 1432 1433/* 1434 ******************************************************************** 1435 * Start of 21140/21140A support which does not use the MII interface 1436 */ 1437 1438void 1439tulip_null_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event) 1440{ 1441#if defined(TULIP_DEBUG) 1442 sc->tulip_dbg.dbg_events[event]++; 1443#endif 1444#if defined(DIAGNOSTIC) 1445 printf(TULIP_PRINTF_FMT ": botch(media_poll) at line %d\n", 1446 TULIP_PRINTF_ARGS, __LINE__); 1447#endif 1448} 1449 1450void 1451tulip_21140_mediainit(tulip_softc_t * const sc, tulip_media_info_t * const mip, 1452 tulip_media_t const media, unsigned gpdata, unsigned cmdmode) 1453{ 1454 sc->tulip_mediums[media] = mip; 1455 mip->mi_type = TULIP_MEDIAINFO_GPR; 1456 mip->mi_cmdmode = cmdmode; 1457 mip->mi_gpdata = gpdata; 1458} 1459 1460void 1461tulip_21140_evalboard_media_probe(tulip_softc_t * const sc) 1462{ 1463 tulip_media_info_t *mip = sc->tulip_mediainfo; 1464 1465 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1466 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1467 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1468 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1469 TULIP_CSR_WRITE(sc, csr_command, 1470 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1471 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1472 TULIP_CSR_WRITE(sc, csr_command, 1473 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1474 DELAY(1000000); 1475 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) 1476 sc->tulip_media = TULIP_MEDIA_10BASET; 1477 else 1478 sc->tulip_media = TULIP_MEDIA_100BASETX; 1479 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1480 TULIP_GP_EB_INIT, 1481 TULIP_CMD_TXTHRSHLDCTL); 1482 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1483 TULIP_GP_EB_INIT, 1484 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1485 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1486 TULIP_GP_EB_INIT, 1487 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1488 |TULIP_CMD_SCRAMBLER); 1489 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1490 TULIP_GP_EB_INIT, 1491 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1492 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1493} 1494 1495static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1496 TULIP_21140_DEC_EB, 1497 tulip_21140_evalboard_media_probe, 1498 tulip_media_select, 1499 tulip_null_media_poll, 1500 tulip_2114x_media_preset, 1501}; 1502 1503void 1504tulip_21140_accton_media_probe(tulip_softc_t * const sc) 1505{ 1506 tulip_media_info_t *mip = sc->tulip_mediainfo; 1507 unsigned gpdata; 1508 1509 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1510 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1511 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1512 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1513 TULIP_CSR_WRITE(sc, csr_command, 1514 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1515 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1516 TULIP_CSR_WRITE(sc, csr_command, 1517 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1518 DELAY(1000000); 1519 gpdata = TULIP_CSR_READ(sc, csr_gp); 1520 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) 1521 sc->tulip_media = TULIP_MEDIA_10BASET; 1522 else { 1523 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) 1524 sc->tulip_media = TULIP_MEDIA_BNC; 1525 else 1526 sc->tulip_media = TULIP_MEDIA_100BASETX; 1527 } 1528 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1529 TULIP_GP_EN1207_BNC_INIT, 1530 TULIP_CMD_TXTHRSHLDCTL); 1531 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1532 TULIP_GP_EN1207_UTP_INIT, 1533 TULIP_CMD_TXTHRSHLDCTL); 1534 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1535 TULIP_GP_EN1207_UTP_INIT, 1536 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1537 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1538 TULIP_GP_EN1207_100_INIT, 1539 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1540 |TULIP_CMD_SCRAMBLER); 1541 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1542 TULIP_GP_EN1207_100_INIT, 1543 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1544 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1545} 1546 1547static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1548 TULIP_21140_EN1207, 1549 tulip_21140_accton_media_probe, 1550 tulip_media_select, 1551 tulip_null_media_poll, 1552 tulip_2114x_media_preset, 1553}; 1554 1555void 1556tulip_21140_smc9332_media_probe(tulip_softc_t * const sc) 1557{ 1558 tulip_media_info_t *mip = sc->tulip_mediainfo; 1559 int idx, cnt = 0; 1560 1561 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1562 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1563 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1564 33MHz that comes to two microseconds but wait a 1565 bit longer anyways) */ 1566 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1567 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1568 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1569 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1570 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1571 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1572 DELAY(200000); 1573 for (idx = 1000; idx > 0; idx--) { 1574 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1575 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1576 if (++cnt > 100) 1577 break; 1578 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) 1579 break; 1580 else 1581 cnt = 0; 1582 DELAY(1000); 1583 } 1584 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1585 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1586 TULIP_GP_SMC_9332_INIT, 1587 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1588 |TULIP_CMD_SCRAMBLER); 1589 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1590 TULIP_GP_SMC_9332_INIT, 1591 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1592 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1593 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1594 TULIP_GP_SMC_9332_INIT, 1595 TULIP_CMD_TXTHRSHLDCTL); 1596 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1597 TULIP_GP_SMC_9332_INIT, 1598 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1599} 1600 1601static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1602 TULIP_21140_SMC_9332, 1603 tulip_21140_smc9332_media_probe, 1604 tulip_media_select, 1605 tulip_null_media_poll, 1606 tulip_2114x_media_preset, 1607}; 1608 1609void 1610tulip_21140_cogent_em100_media_probe(tulip_softc_t * const sc) 1611{ 1612 tulip_media_info_t *mip = sc->tulip_mediainfo; 1613 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1614 1615 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1616 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1617 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1618 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1619 1620 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1621 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1622 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1623 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1624 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1625 1626 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1627 TULIP_GP_EM100_INIT, 1628 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1629 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1630 TULIP_GP_EM100_INIT, 1631 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1632 |TULIP_CMD_FULLDUPLEX); 1633 } else { 1634 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1635 sc->tulip_media = TULIP_MEDIA_100BASETX; 1636 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1637 TULIP_GP_EM100_INIT, 1638 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1639 |TULIP_CMD_SCRAMBLER); 1640 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1641 TULIP_GP_EM100_INIT, 1642 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1643 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1644 } 1645} 1646 1647static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1648 TULIP_21140_COGENT_EM100, 1649 tulip_21140_cogent_em100_media_probe, 1650 tulip_media_select, 1651 tulip_null_media_poll, 1652 tulip_2114x_media_preset 1653}; 1654 1655void 1656tulip_21140_znyx_zx34x_media_probe(tulip_softc_t * const sc) 1657{ 1658 tulip_media_info_t *mip = sc->tulip_mediainfo; 1659 int cnt10 = 0, cnt100 = 0, idx; 1660 1661 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1662 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1663 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1664 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1665 TULIP_CSR_WRITE(sc, csr_command, 1666 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1667 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1668 TULIP_CSR_WRITE(sc, csr_command, 1669 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1670 1671 DELAY(200000); 1672 for (idx = 1000; idx > 0; idx--) { 1673 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1674 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)) { 1675 if (++cnt100 > 100) 1676 break; 1677 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1678 if (++cnt10 > 100) 1679 break; 1680 } else { 1681 cnt10 = 0; 1682 cnt100 = 0; 1683 } 1684 DELAY(1000); 1685 } 1686 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1687 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1688 TULIP_GP_ZX34X_INIT, 1689 TULIP_CMD_TXTHRSHLDCTL); 1690 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1691 TULIP_GP_ZX34X_INIT, 1692 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1693 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1694 TULIP_GP_ZX34X_INIT, 1695 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1696 |TULIP_CMD_SCRAMBLER); 1697 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1698 TULIP_GP_ZX34X_INIT, 1699 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1700 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1701} 1702 1703static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1704 TULIP_21140_ZNYX_ZX34X, 1705 tulip_21140_znyx_zx34x_media_probe, 1706 tulip_media_select, 1707 tulip_null_media_poll, 1708 tulip_2114x_media_preset, 1709}; 1710 1711void 1712tulip_2114x_media_probe(tulip_softc_t * const sc) 1713{ 1714 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1715 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1716} 1717 1718static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1719 TULIP_21140_ISV, 1720 tulip_2114x_media_probe, 1721 tulip_media_select, 1722 tulip_media_poll, 1723 tulip_2114x_media_preset, 1724}; 1725 1726/* 1727 * ******** END of chip-specific handlers. *********** 1728 */ 1729 1730/* 1731 * Code the read the SROM and MII bit streams (I2C) 1732 */ 1733void 1734tulip_delay_300ns(tulip_softc_t * const sc) 1735{ 1736 int idx; 1737 for (idx = (300 / 33) + 1; idx > 0; idx--) 1738 (void) TULIP_CSR_READ(sc, csr_busmode); 1739} 1740 1741void 1742tulip_srom_idle(tulip_softc_t * const sc) 1743{ 1744 unsigned bit, csr; 1745 1746 csr = SROMSEL ; EMIT; 1747 csr = SROMSEL | SROMRD; EMIT; 1748 csr ^= SROMCS; EMIT; 1749 csr ^= SROMCLKON; EMIT; 1750 1751 /* 1752 * Write 25 cycles of 0 which will force the SROM to be idle. 1753 */ 1754 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1755 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1756 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1757 } 1758 csr ^= SROMCLKOFF; EMIT; 1759 csr ^= SROMCS; EMIT; 1760 csr = 0; EMIT; 1761} 1762 1763void 1764tulip_srom_read(tulip_softc_t * const sc) 1765{ 1766 unsigned idx; 1767 const unsigned bitwidth = SROM_BITWIDTH; 1768 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1769 const unsigned msb = 1 << (bitwidth + 3 - 1); 1770 unsigned lastidx = (1 << bitwidth) - 1; 1771 1772 tulip_srom_idle(sc); 1773 1774 for (idx = 0; idx <= lastidx; idx++) { 1775 unsigned lastbit, data, bits, bit, csr; 1776 csr = SROMSEL ; EMIT; 1777 csr = SROMSEL | SROMRD; EMIT; 1778 csr ^= SROMCSON; EMIT; 1779 csr ^= SROMCLKON; EMIT; 1780 1781 lastbit = 0; 1782 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1783 const unsigned thisbit = bits & msb; 1784 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1785 if (thisbit != lastbit) { 1786 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1787 } else { 1788 EMIT; 1789 } 1790 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1791 lastbit = thisbit; 1792 } 1793 csr ^= SROMCLKOFF; EMIT; 1794 1795 for (data = 0, bits = 0; bits < 16; bits++) { 1796 data <<= 1; 1797 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1798 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1799 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1800 } 1801 sc->tulip_rombuf[idx*2] = data & 0xFF; 1802 sc->tulip_rombuf[idx*2+1] = data >> 8; 1803 csr = SROMSEL | SROMRD; EMIT; 1804 csr = 0; EMIT; 1805 } 1806 tulip_srom_idle(sc); 1807} 1808 1809void 1810tulip_mii_writebits(tulip_softc_t * const sc, unsigned data, unsigned bits) 1811{ 1812 unsigned msb = 1 << (bits - 1); 1813 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1814 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1815 1816 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1817 1818 for (; bits > 0; bits--, data <<= 1) { 1819 const unsigned thisbit = data & msb; 1820 if (thisbit != lastbit) 1821 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1822 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1823 lastbit = thisbit; 1824 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1825 } 1826} 1827 1828void 1829tulip_mii_turnaround(tulip_softc_t * const sc, unsigned cmd) 1830{ 1831 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1832 1833 if (cmd == MII_WRCMD) { 1834 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1835 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1836 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1837 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1838 } else 1839 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1840 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1841 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1842} 1843 1844unsigned 1845tulip_mii_readbits(tulip_softc_t * const sc) 1846{ 1847 unsigned data; 1848 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1849 int idx; 1850 1851 for (idx = 0, data = 0; idx < 16; idx++) { 1852 data <<= 1; /* this is NOOP on the first pass through */ 1853 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1854 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1855 data |= 1; 1856 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1857 } 1858 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1859 1860 return (data); 1861} 1862 1863unsigned 1864tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno) 1865{ 1866 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1867 unsigned data; 1868 1869 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1870 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1871 tulip_mii_writebits(sc, MII_RDCMD, 8); 1872 tulip_mii_writebits(sc, devaddr, 5); 1873 tulip_mii_writebits(sc, regno, 5); 1874 tulip_mii_turnaround(sc, MII_RDCMD); 1875 1876 data = tulip_mii_readbits(sc); 1877#if defined(TULIP_DEBUG) 1878 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 1879 sc->tulip_dbg.dbg_phyregs[regno][1]++; 1880#endif 1881 return (data); 1882} 1883 1884void 1885tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, 1886 unsigned regno, unsigned data) 1887{ 1888 unsigned csr; 1889 1890 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1891 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1892 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1893 tulip_mii_writebits(sc, MII_WRCMD, 8); 1894 tulip_mii_writebits(sc, devaddr, 5); 1895 tulip_mii_writebits(sc, regno, 5); 1896 tulip_mii_turnaround(sc, MII_WRCMD); 1897 tulip_mii_writebits(sc, data, 16); 1898#if defined(TULIP_DEBUG) 1899 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 1900 sc->tulip_dbg.dbg_phyregs[regno][3]++; 1901#endif 1902} 1903 1904void 1905tulip_identify_dec_nic(tulip_softc_t * const sc) 1906{ 1907 strlcpy(sc->tulip_boardid, "DEC ", sizeof(sc->tulip_boardid)); 1908#define D0 4 1909 if (sc->tulip_chipid <= TULIP_DE425) 1910 return; 1911 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 1912 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 1913 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 1914 sc->tulip_boardid[D0+8] = ' '; 1915 } 1916#undef D0 1917} 1918 1919void 1920tulip_identify_znyx_nic(tulip_softc_t * const sc) 1921{ 1922 unsigned id = 0; 1923 strlcpy(sc->tulip_boardid, "ZNYX ZX3XX ", sizeof(sc->tulip_boardid)); 1924 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 1925 unsigned znyx_ptr; 1926 sc->tulip_boardid[8] = '4'; 1927 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 1928 if (znyx_ptr < 26 || znyx_ptr > 116) { 1929 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1930 return; 1931 } 1932 /* ZX344 = 0010 .. 0013FF 1933 */ 1934 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 1935 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 1936 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 1937 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 1938 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 1939 sc->tulip_boardid[9] = '2'; 1940 if (id == TULIP_ZNYX_ID_ZX342B) { 1941 sc->tulip_boardid[10] = 'B'; 1942 sc->tulip_boardid[11] = ' '; 1943 } 1944 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1945 } else if (id == TULIP_ZNYX_ID_ZX344) { 1946 sc->tulip_boardid[10] = '4'; 1947 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1948 } else if (id == TULIP_ZNYX_ID_ZX345) { 1949 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 1950 } else if (id == TULIP_ZNYX_ID_ZX346) { 1951 sc->tulip_boardid[9] = '6'; 1952 } else if (id == TULIP_ZNYX_ID_ZX351) { 1953 sc->tulip_boardid[8] = '5'; 1954 sc->tulip_boardid[9] = '1'; 1955 } 1956 } 1957 if (id == 0) { 1958 /* 1959 * Assume it's a ZX342... 1960 */ 1961 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1962 } 1963 return; 1964 } 1965 sc->tulip_boardid[8] = '1'; 1966 if (sc->tulip_chipid == TULIP_21041) { 1967 sc->tulip_boardid[10] = '1'; 1968 return; 1969 } 1970 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 1971 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 1972 if (id == TULIP_ZNYX_ID_ZX312T) { 1973 sc->tulip_boardid[9] = '2'; 1974 sc->tulip_boardid[10] = 'T'; 1975 sc->tulip_boardid[11] = ' '; 1976 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1977 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 1978 sc->tulip_boardid[9] = '4'; 1979 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1980 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1981 } else if (id == TULIP_ZNYX_ID_ZX314) { 1982 sc->tulip_boardid[9] = '4'; 1983 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1984 sc->tulip_features |= TULIP_HAVE_BASEROM; 1985 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 1986 sc->tulip_boardid[9] = '5'; 1987 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1988 } else if (id == TULIP_ZNYX_ID_ZX315) { 1989 sc->tulip_boardid[9] = '5'; 1990 sc->tulip_features |= TULIP_HAVE_BASEROM; 1991 } else 1992 id = 0; 1993 } 1994 if (id == 0) { 1995 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 3) == 0) { 1996 sc->tulip_boardid[9] = '4'; 1997 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1998 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1999 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2000 sc->tulip_boardid[9] = '5'; 2001 sc->tulip_boardsw = &tulip_21040_boardsw; 2002 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2003 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2004 sc->tulip_boardid[9] = '2'; 2005 sc->tulip_boardsw = &tulip_21040_boardsw; 2006 } 2007 } 2008} 2009 2010void 2011tulip_identify_smc_nic(tulip_softc_t * const sc) 2012{ 2013 u_int32_t id1, id2, ei; 2014 int auibnc = 0, utp = 0; 2015 char *cp; 2016 2017 strlcpy(sc->tulip_boardid, "SMC ", sizeof(sc->tulip_boardid)); 2018 if (sc->tulip_chipid == TULIP_21041) 2019 return; 2020 if (sc->tulip_chipid != TULIP_21040) { 2021 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2022 strlcat(sc->tulip_boardid, "9332DST ", sizeof(sc->tulip_boardid)); 2023 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2024 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) 2025 strlcat(sc->tulip_boardid, "9334BDT ", sizeof(sc->tulip_boardid)); 2026 else 2027 strlcat(sc->tulip_boardid, "9332BDT ", sizeof(sc->tulip_boardid)); 2028 return; 2029 } 2030 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2031 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2032 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2033 2034 strlcat(sc->tulip_boardid, "8432", sizeof(sc->tulip_boardid)); 2035 cp = &sc->tulip_boardid[8]; 2036 if ((id1 & 1) == 0) 2037 *cp++ = 'B', auibnc = 1; 2038 if ((id1 & 0xFF) > 0x32) 2039 *cp++ = 'T', utp = 1; 2040 if ((id1 & 0x4000) == 0) 2041 *cp++ = 'A', auibnc = 1; 2042 if (id2 == 0x15) { 2043 sc->tulip_boardid[7] = '4'; 2044 *cp++ = '-'; 2045 *cp++ = 'C'; 2046 *cp++ = 'H'; 2047 *cp++ = (ei ? '2' : '1'); 2048 } 2049 *cp++ = ' '; 2050 *cp = '\0'; 2051 if (utp && !auibnc) 2052 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2053 else if (!utp && auibnc) 2054 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2055} 2056 2057void 2058tulip_identify_cogent_nic(tulip_softc_t * const sc) 2059{ 2060 strlcpy(sc->tulip_boardid, "Cogent ", sizeof(sc->tulip_boardid)); 2061 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2062 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2063 strlcat(sc->tulip_boardid, "EM100TX ", sizeof(sc->tulip_boardid)); 2064 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2065#if defined(TULIP_COGENT_EM110TX_ID) 2066 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2067 strlcat(sc->tulip_boardid, "EM110TX ", sizeof(sc->tulip_boardid)); 2068 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2069#endif 2070 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2071 strlcat(sc->tulip_boardid, "EM100FX ", sizeof(sc->tulip_boardid)); 2072 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2073 } 2074 /* 2075 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2076 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2077 */ 2078 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2079 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2080 /* 2081 * Cogent (Adaptec) is still mapping all INTs to INTA of 2082 * first 21140. Dumb! Dumb! 2083 */ 2084 strlcat(sc->tulip_boardid, "EM440TX ", sizeof(sc->tulip_boardid)); 2085 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2086 } 2087 } else if (sc->tulip_chipid == TULIP_21040) 2088 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2089} 2090 2091void 2092tulip_identify_accton_nic(tulip_softc_t * const sc) 2093{ 2094 strlcpy(sc->tulip_boardid, "ACCTON ", sizeof(sc->tulip_boardid)); 2095 switch (sc->tulip_chipid) { 2096 case TULIP_21140A: 2097 strlcat(sc->tulip_boardid, "EN1207 ", sizeof(sc->tulip_boardid)); 2098 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2099 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2100 break; 2101 case TULIP_21140: 2102 strlcat(sc->tulip_boardid, "EN1207TX ", sizeof(sc->tulip_boardid)); 2103 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2104 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2105 break; 2106 case TULIP_21040: 2107 strlcat(sc->tulip_boardid, "EN1203 ", sizeof(sc->tulip_boardid)); 2108 sc->tulip_boardsw = &tulip_21040_boardsw; 2109 break; 2110 case TULIP_21041: 2111 strlcat(sc->tulip_boardid, "EN1203 ", sizeof(sc->tulip_boardid)); 2112 sc->tulip_boardsw = &tulip_21041_boardsw; 2113 break; 2114 default: 2115 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2116 break; 2117 } 2118} 2119 2120void 2121tulip_identify_asante_nic(tulip_softc_t * const sc) 2122{ 2123 strlcpy(sc->tulip_boardid, "Asante ", sizeof(sc->tulip_boardid)); 2124 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2125 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2126 tulip_media_info_t *mi = sc->tulip_mediainfo; 2127 int idx; 2128 /* 2129 * The Asante Fast Ethernet doesn't always ship with a valid 2130 * new format SROM. So if isn't in the new format, we cheat 2131 * set it up as if we had. 2132 */ 2133 2134 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2135 sc->tulip_gpdata = 0; 2136 2137 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2138 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2139 DELAY(100); 2140 TULIP_CSR_WRITE(sc, csr_gp, 0); 2141 2142 mi->mi_type = TULIP_MEDIAINFO_MII; 2143 mi->mi_gpr_length = 0; 2144 mi->mi_gpr_offset = 0; 2145 mi->mi_reset_length = 0; 2146 mi->mi_reset_offset = 0; 2147 2148 mi->mi_phyaddr = TULIP_MII_NOPHY; 2149 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2150 DELAY(10000); 2151 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2152 } 2153 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2154#ifdef TULIP_DEBUG 2155 printf(TULIP_PRINTF_FMT ": can't find phy 0\n", TULIP_PRINTF_ARGS); 2156#endif 2157 return; 2158 } 2159 2160 sc->tulip_features |= TULIP_HAVE_MII; 2161 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2162 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2163 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2164 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2165 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2166 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2167 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2168 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2169 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2170 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2171 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2172 2173 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2174 } 2175} 2176 2177void 2178tulip_identify_compex_nic(tulip_softc_t * const sc) 2179{ 2180 strlcpy(sc->tulip_boardid, "COMPEX ", sizeof(sc->tulip_boardid)); 2181 if (sc->tulip_chipid == TULIP_21140A) { 2182 int root_unit; 2183 tulip_softc_t *root_sc = NULL; 2184 2185 strlcat(sc->tulip_boardid, "400TX/PCI ", sizeof(sc->tulip_boardid)); 2186 /* 2187 * All 4 chips on these boards share an interrupt. This code 2188 * copied from tulip_read_macaddr. 2189 */ 2190 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2191 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2192 root_sc = TULIP_UNIT_TO_SOFTC(root_unit); 2193 if (root_sc == NULL 2194 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2195 break; 2196 root_sc = NULL; 2197 } 2198 if (root_sc != NULL 2199 && root_sc->tulip_chipid == sc->tulip_chipid 2200 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2201 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2202 sc->tulip_slaves = root_sc->tulip_slaves; 2203 root_sc->tulip_slaves = sc; 2204 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) 2205 printf("\nCannot find master device for de%d interrupts", sc->tulip_unit); 2206 } else 2207 strlcat(sc->tulip_boardid, "unknown ", sizeof(sc->tulip_boardid)); 2208 2209 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2210} 2211 2212int 2213tulip_srom_decode(tulip_softc_t * const sc) 2214{ 2215 unsigned idx1, idx2, idx3; 2216 2217 const tulip_srom_header_t *shp = (tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2218 const tulip_srom_adapter_info_t *saip = (tulip_srom_adapter_info_t *) (shp + 1); 2219 tulip_srom_media_t srom_media; 2220 tulip_media_info_t *mi = sc->tulip_mediainfo; 2221 const u_int8_t *dp; 2222 u_int32_t leaf_offset, blocks, data; 2223 2224 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2225 if (shp->sh_adapter_count == 1) 2226 break; 2227 if (saip->sai_device == sc->tulip_pci_devno) 2228 break; 2229 } 2230 /* 2231 * Didn't find the right media block for this card. 2232 */ 2233 if (idx1 == shp->sh_adapter_count) 2234 return (0); 2235 2236 /* 2237 * Save the hardware address. 2238 */ 2239 bcopy((caddr_t) shp->sh_ieee802_address, (caddr_t) sc->tulip_enaddr, 2240 ETHER_ADDR_LEN); 2241 /* 2242 * If this is a multiple port card, add the adapter index to the last 2243 * byte of the hardware address. (if it isn't multiport, adding 0 2244 * won't hurt. 2245 */ 2246 sc->tulip_enaddr[5] += idx1; 2247 2248 leaf_offset = saip->sai_leaf_offset_lowbyte 2249 + saip->sai_leaf_offset_highbyte * 256; 2250 dp = sc->tulip_rombuf + leaf_offset; 2251 2252 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2253 2254 for (idx2 = 0;; idx2++) { 2255 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2256 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2257 break; 2258 } 2259 sc->tulip_connidx = idx2; 2260 2261 if (sc->tulip_chipid == TULIP_21041) { 2262 blocks = *dp++; 2263 for (idx2 = 0; idx2 < blocks; idx2++) { 2264 tulip_media_t media; 2265 data = *dp++; 2266 srom_media = (tulip_srom_media_t) (data & 0x3F); 2267 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2268 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2269 break; 2270 } 2271 media = tulip_srom_mediums[idx3].sm_type; 2272 if (media != TULIP_MEDIA_UNKNOWN) { 2273 if (data & TULIP_SROM_21041_EXTENDED) { 2274 mi->mi_type = TULIP_MEDIAINFO_SIA; 2275 sc->tulip_mediums[media] = mi; 2276 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2277 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2278 mi->mi_sia_general = dp[4] + dp[5] * 256; 2279 mi++; 2280 } else { 2281 switch (media) { 2282 case TULIP_MEDIA_BNC: { 2283 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2284 mi++; 2285 break; 2286 } 2287 case TULIP_MEDIA_AUI: { 2288 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2289 mi++; 2290 break; 2291 } 2292 case TULIP_MEDIA_10BASET: { 2293 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2294 mi++; 2295 break; 2296 } 2297 case TULIP_MEDIA_10BASET_FD: { 2298 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2299 mi++; 2300 break; 2301 } 2302 default: { 2303 break; 2304 } 2305 } 2306 } 2307 } 2308 if (data & TULIP_SROM_21041_EXTENDED) 2309 dp += 6; 2310 } 2311 } else { 2312 unsigned length, type; 2313 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2314 if (sc->tulip_features & TULIP_HAVE_GPR) 2315 sc->tulip_gpinit = *dp++; 2316 blocks = *dp++; 2317 for (idx2 = 0; idx2 < blocks; idx2++) { 2318 const u_int8_t *ep; 2319 if ((*dp & 0x80) == 0) { 2320 length = 4; 2321 type = 0; 2322 } else { 2323 length = (*dp++ & 0x7f) - 1; 2324 type = *dp++ & 0x3f; 2325 } 2326 ep = dp + length; 2327 switch (type & 0x3f) { 2328 case 0: { /* 21140[A] GPR block */ 2329 tulip_media_t media; 2330 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2331 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2332 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2333 break; 2334 } 2335 media = tulip_srom_mediums[idx3].sm_type; 2336 if (media == TULIP_MEDIA_UNKNOWN) 2337 break; 2338 mi->mi_type = TULIP_MEDIAINFO_GPR; 2339 sc->tulip_mediums[media] = mi; 2340 mi->mi_gpdata = dp[1]; 2341 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2342 sc->tulip_gpdata = mi->mi_gpdata; 2343 gp_media = media; 2344 } 2345 data = dp[2] + dp[3] * 256; 2346 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2347 if (data & TULIP_SROM_2114X_NOINDICATOR) 2348 mi->mi_actmask = 0; 2349 else { 2350 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2351 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2352 } 2353 mi++; 2354 break; 2355 } 2356 case 1: { /* 21140[A] MII block */ 2357 const unsigned phyno = *dp++; 2358 mi->mi_type = TULIP_MEDIAINFO_MII; 2359 mi->mi_gpr_length = *dp++; 2360 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2361 dp += mi->mi_gpr_length; 2362 mi->mi_reset_length = *dp++; 2363 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2364 dp += mi->mi_reset_length; 2365 2366 /* 2367 * Before we probe for a PHY, use the GPR information 2368 * to select it. If we don't, it may be inaccessible. 2369 */ 2370 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2371 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2372 DELAY(10); 2373 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2374 } 2375 sc->tulip_phyaddr = mi->mi_phyaddr; 2376 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2377 DELAY(10); 2378 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2379 } 2380 2381 /* 2382 * At least write something! 2383 */ 2384 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2385 TULIP_CSR_WRITE(sc, csr_gp, 0); 2386 2387 mi->mi_phyaddr = TULIP_MII_NOPHY; 2388 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2389 DELAY(10000); 2390 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2391 } 2392 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2393#if defined(TULIP_DEBUG) 2394 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2395 TULIP_PRINTF_ARGS, phyno); 2396#endif 2397 break; 2398 } 2399 sc->tulip_features |= TULIP_HAVE_MII; 2400 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2401 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2402 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2403 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2404 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2405 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2406 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2407 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2408 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2409 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2410 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2411 mi++; 2412 break; 2413 } 2414 case 2: { /* 2114[23] SIA block */ 2415 tulip_media_t media; 2416 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2417 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2418 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2419 break; 2420 } 2421 media = tulip_srom_mediums[idx3].sm_type; 2422 if (media == TULIP_MEDIA_UNKNOWN) 2423 break; 2424 mi->mi_type = TULIP_MEDIAINFO_SIA; 2425 sc->tulip_mediums[media] = mi; 2426 if (dp[0] & 0x40) { 2427 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2428 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2429 mi->mi_sia_general = dp[5] + dp[6] * 256; 2430 dp += 6; 2431 } else { 2432 switch (media) { 2433 case TULIP_MEDIA_BNC: { 2434 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2435 break; 2436 } 2437 case TULIP_MEDIA_AUI: { 2438 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2439 break; 2440 } 2441 case TULIP_MEDIA_10BASET: { 2442 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2443 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2444 break; 2445 } 2446 case TULIP_MEDIA_10BASET_FD: { 2447 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2448 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2449 break; 2450 } 2451 default: { 2452 goto bad_media; 2453 } 2454 } 2455 } 2456 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2457 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2458 mi++; 2459 bad_media: 2460 break; 2461 } 2462 case 3: { /* 2114[23] MII PHY block */ 2463 const unsigned phyno = *dp++; 2464 const u_int8_t *dp0; 2465 mi->mi_type = TULIP_MEDIAINFO_MII; 2466 mi->mi_gpr_length = *dp++; 2467 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2468 dp += 2 * mi->mi_gpr_length; 2469 mi->mi_reset_length = *dp++; 2470 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2471 dp += 2 * mi->mi_reset_length; 2472 2473 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2474 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2475 DELAY(10); 2476 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2477 } 2478 sc->tulip_phyaddr = mi->mi_phyaddr; 2479 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2480 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2481 DELAY(10); 2482 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2483 } 2484 2485 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2486 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2487 2488 mi->mi_phyaddr = TULIP_MII_NOPHY; 2489 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2490 DELAY(10000); 2491 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2492 } 2493 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2494#if defined(TULIP_DEBUG) 2495 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2496 TULIP_PRINTF_ARGS, phyno); 2497#endif 2498 break; 2499 } 2500 sc->tulip_features |= TULIP_HAVE_MII; 2501 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2502 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2503 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2504 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2505 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2506 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2507 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2508 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2509 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2510 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2511 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2512 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2513 mi++; 2514 break; 2515 } 2516 case 4: { /* 21143 SYM block */ 2517 tulip_media_t media; 2518 srom_media = (tulip_srom_media_t) dp[0]; 2519 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2520 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2521 break; 2522 } 2523 media = tulip_srom_mediums[idx3].sm_type; 2524 if (media == TULIP_MEDIA_UNKNOWN) 2525 break; 2526 mi->mi_type = TULIP_MEDIAINFO_SYM; 2527 sc->tulip_mediums[media] = mi; 2528 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2529 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2530 data = dp[5] + dp[6] * 256; 2531 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2532 if (data & TULIP_SROM_2114X_NOINDICATOR) 2533 mi->mi_actmask = 0; 2534 else { 2535 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2536 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2537 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2538 } 2539 if (TULIP_IS_MEDIA_TP(media)) 2540 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2541 mi++; 2542 break; 2543 } 2544 default: { 2545 } 2546 } 2547 dp = ep; 2548 } 2549 } 2550 return (mi - sc->tulip_mediainfo); 2551} 2552 2553static const struct { 2554 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2555 unsigned char vendor_oui[3]; 2556} tulip_vendors[] = { 2557 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2558 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2559 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2560 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2561 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2562 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2563 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2564 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2565 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2566 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2567 { NULL } 2568}; 2569 2570/* 2571 * This deals with the vagaries of the address roms and the 2572 * brain-deadness that various vendors commit in using them. 2573 */ 2574int 2575tulip_read_macaddr(tulip_softc_t * const sc) 2576{ 2577 unsigned cksum, rom_cksum, idx; 2578 u_int32_t csr; 2579 unsigned char tmpbuf[8]; 2580 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2581 2582 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2583 2584 if (sc->tulip_chipid == TULIP_21040) { 2585 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2586 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2587 int cnt = 0; 2588 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2589 cnt++; 2590 sc->tulip_rombuf[idx] = csr & 0xFF; 2591 } 2592 sc->tulip_boardsw = &tulip_21040_boardsw; 2593 } else { 2594 if (sc->tulip_chipid == TULIP_21041) { 2595 /* 2596 * Thankfully all 21041's act the same. 2597 */ 2598 sc->tulip_boardsw = &tulip_21041_boardsw; 2599 } else { 2600 /* 2601 * Assume all 21140 board are compatible with the 2602 * DEC 10/100 evaluation board. Not really valid but 2603 * it's the best we can do until every one switches to 2604 * the new SROM format. 2605 */ 2606 2607 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2608 } 2609 tulip_srom_read(sc); 2610 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2611 /* 2612 * SROM CRC is valid therefore it must be in the 2613 * new format. 2614 */ 2615 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2616 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2617 /* 2618 * No checksum is present. See if the SROM id checks out; 2619 * the first 18 bytes should be 0 followed by a 1 followed 2620 * by the number of adapters (which we don't deal with yet). 2621 */ 2622 for (idx = 0; idx < 18; idx++) { 2623 if (sc->tulip_rombuf[idx] != 0) 2624 break; 2625 } 2626 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2627 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2628 } else if (sc->tulip_chipid >= TULIP_21142) { 2629 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2630 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2631 } 2632 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2633 if (sc->tulip_chipid != TULIP_21041) 2634 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2635 2636 /* 2637 * If the SROM specifies more than one adapter, tag this as a 2638 * BASE rom. 2639 */ 2640 if (sc->tulip_rombuf[19] > 1) 2641 sc->tulip_features |= TULIP_HAVE_BASEROM; 2642 if (sc->tulip_boardsw == NULL) 2643 return (-6); 2644 goto check_oui; 2645 } 2646 } 2647 2648 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2649 /* 2650 * Some folks don't use the standard ethernet rom format 2651 * but instead just put the address in the first 6 bytes 2652 * of the rom and let the rest be all 0xffs. (Can we say 2653 * ZNYX???) (well sometimes they put in a checksum so we'll 2654 * start at 8). 2655 */ 2656 for (idx = 8; idx < 32; idx++) { 2657 if (sc->tulip_rombuf[idx] != 0xFF) 2658 return (-4); 2659 } 2660 /* 2661 * Make sure the address is not multicast or locally assigned 2662 * that the OUI is not 00-00-00. 2663 */ 2664 if ((sc->tulip_rombuf[0] & 3) != 0) 2665 return (-4); 2666 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2667 && sc->tulip_rombuf[2] == 0) 2668 return (-4); 2669 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, ETHER_ADDR_LEN); 2670 sc->tulip_features |= TULIP_HAVE_OKROM; 2671 goto check_oui; 2672 } else { 2673 /* 2674 * A number of makers of multiport boards (ZNYX and Cogent) 2675 * only put on one address ROM on their 21040 boards. So 2676 * if the ROM is all zeros (or all 0xFFs), look at the 2677 * previous configured boards (as long as they are on the same 2678 * PCI bus and the bus number is non-zero) until we find the 2679 * master board with address ROM. We then use its address ROM 2680 * as the base for this board. (we add our relative board 2681 * to the last byte of its address). 2682 */ 2683 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2684 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2685 break; 2686 } 2687 if (idx == sizeof(sc->tulip_rombuf)) { 2688 int root_unit; 2689 tulip_softc_t *root_sc = NULL; 2690 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2691 root_sc = TULIP_UNIT_TO_SOFTC(root_unit); 2692 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2693 break; 2694 root_sc = NULL; 2695 } 2696 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2697 && root_sc->tulip_chipid == sc->tulip_chipid 2698 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2699 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2700 sc->tulip_boardsw = root_sc->tulip_boardsw; 2701 strlcpy(sc->tulip_boardid, root_sc->tulip_boardid, 2702 sizeof(sc->tulip_boardid)); 2703 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2704 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2705 sizeof(sc->tulip_rombuf)); 2706 if (!tulip_srom_decode(sc)) 2707 return (-5); 2708 } else { 2709 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 2710 ETHER_ADDR_LEN); 2711 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2712 } 2713 /* 2714 * Now for a truly disgusting kludge: all 4 21040s on 2715 * the ZX314 share the same INTA line so the mapping 2716 * setup by the BIOS on the PCI bridge is worthless. 2717 * Rather than reprogramming the value in the config 2718 * register, we will handle this internally. 2719 */ 2720 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2721 sc->tulip_slaves = root_sc->tulip_slaves; 2722 root_sc->tulip_slaves = sc; 2723 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2724 } 2725 return (0); 2726 } 2727 } 2728 } 2729 2730 /* 2731 * This is the standard DEC address ROM test. 2732 */ 2733 2734 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2735 return (-3); 2736 2737 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2738 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2739 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2740 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2741 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2742 return (-2); 2743 2744 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, ETHER_ADDR_LEN); 2745 2746 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2747 cksum *= 2; 2748 if (cksum > 65535) cksum -= 65535; 2749 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2750 if (cksum > 65535) cksum -= 65535; 2751 cksum *= 2; 2752 if (cksum > 65535) cksum -= 65535; 2753 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2754 if (cksum >= 65535) cksum -= 65535; 2755 2756 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2757 2758 if (cksum != rom_cksum) 2759 return (-1); 2760 2761 check_oui: 2762 /* 2763 * Check for various boards based on OUI. Did I say braindead? 2764 */ 2765 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2766 if (bcmp((caddr_t) sc->tulip_enaddr, 2767 (caddr_t) tulip_vendors[idx].vendor_oui, 3) == 0) { 2768 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2769 break; 2770 } 2771 } 2772 2773 sc->tulip_features |= TULIP_HAVE_OKROM; 2774 return (0); 2775} 2776 2777void 2778tulip_ifmedia_add(tulip_softc_t * const sc) 2779{ 2780 tulip_media_t media; 2781 int medias = 0; 2782 2783 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2784 if (sc->tulip_mediums[media] != NULL) { 2785 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2786 0, 0); 2787 medias++; 2788 } 2789 } 2790 if (medias == 0) { 2791 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2792 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2793 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2794 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2795 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2796 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2797 } else { 2798 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2799 sc->tulip_flags |= TULIP_PRINTMEDIA; 2800 tulip_linkup(sc, sc->tulip_media); 2801 } 2802} 2803 2804int 2805tulip_ifmedia_change(struct ifnet * const ifp) 2806{ 2807 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 2808 2809 sc->tulip_flags |= TULIP_NEEDRESET; 2810 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2811 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2812 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2813 tulip_media_t media; 2814 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2815 if (sc->tulip_mediums[media] != NULL 2816 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2817 sc->tulip_flags |= TULIP_PRINTMEDIA; 2818 sc->tulip_flags &= ~TULIP_DIDNWAY; 2819 tulip_linkup(sc, media); 2820 return (0); 2821 } 2822 } 2823 } 2824 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2825 tulip_reset(sc); 2826 tulip_init(sc); 2827 return (0); 2828} 2829 2830/* 2831 * Media status callback 2832 */ 2833void 2834tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req) 2835{ 2836 tulip_softc_t *sc = TULIP_IFP_TO_SOFTC(ifp); 2837 2838 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 2839 return; 2840 2841 req->ifm_status = IFM_AVALID; 2842 if (sc->tulip_flags & TULIP_LINKUP) 2843 req->ifm_status |= IFM_ACTIVE; 2844 2845 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 2846} 2847 2848bus_dmamap_t 2849tulip_alloc_rxmap(tulip_softc_t *sc) 2850{ 2851 return (sc->tulip_free_rxmaps[--sc->tulip_num_free_rxmaps]); 2852} 2853 2854void 2855tulip_free_rxmap(tulip_softc_t *sc, bus_dmamap_t map) 2856{ 2857 sc->tulip_free_rxmaps[sc->tulip_num_free_rxmaps++] = map; 2858} 2859 2860bus_dmamap_t 2861tulip_alloc_txmap(tulip_softc_t *sc) 2862{ 2863 return (sc->tulip_free_txmaps[--sc->tulip_num_free_txmaps]); 2864} 2865 2866void 2867tulip_free_txmap(tulip_softc_t *sc, bus_dmamap_t map) 2868{ 2869 sc->tulip_free_txmaps[sc->tulip_num_free_txmaps++] = map; 2870} 2871 2872void 2873tulip_addr_filter(tulip_softc_t * const sc) 2874{ 2875 struct arpcom *ac = &sc->tulip_ac; 2876 struct ether_multistep step; 2877 struct ether_multi *enm; 2878 2879 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 2880 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 2881 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 2882 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 2883 sc->tulip_if.if_flags &= ~IFF_ALLMULTI; 2884 if (sc->tulip_multicnt > 14) { 2885 u_int32_t *sp = sc->tulip_setupdata; 2886 unsigned hash; 2887 /* 2888 * Some early passes of the 21140 have broken implementations of 2889 * hash-perfect mode. When we get too many multicasts for perfect 2890 * filtering with these chips, we need to switch into hash-only 2891 * mode (this is better than all-multicast on network with lots 2892 * of multicast traffic). 2893 */ 2894 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 2895 sc->tulip_flags |= TULIP_WANTHASHONLY; 2896 else 2897 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 2898 /* 2899 * If we have more than 14 multicasts, we have 2900 * go into hash perfect mode (512 bit multicast 2901 * hash and one perfect hardware). 2902 */ 2903 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 2904 if (ac->ac_multirangecnt > 0) { 2905 sc->tulip_flags |= TULIP_ALLMULTI; 2906 sc->tulip_flags &= ~(TULIP_WANTHASHONLY|TULIP_WANTHASHPERFECT); 2907 } else { 2908 ETHER_FIRST_MULTI(step, ac, enm); 2909 while (enm != NULL) { 2910 hash = tulip_mchash(enm->enm_addrlo); 2911#if BYTE_ORDER == BIG_ENDIAN 2912 sp[hash >> 4] |= swap32(1 << (hash & 0xF)); 2913#else 2914 sp[hash >> 4] |= 1 << (hash & 0xF); 2915#endif 2916 ETHER_NEXT_MULTI(step, enm); 2917 } 2918 } 2919 /* 2920 * No reason to use a hash if we are going to be 2921 * receiving every multicast. 2922 */ 2923 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2924 hash = tulip_mchash(etherbroadcastaddr); 2925#if BYTE_ORDER == BIG_ENDIAN 2926 sp[hash >> 4] |= swap32(1 << (hash & 0xF)); 2927#else 2928 sp[hash >> 4] |= 1 << (hash & 0xF); 2929#endif 2930 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 2931 hash = tulip_mchash(sc->tulip_enaddr); 2932#if BYTE_ORDER == BIG_ENDIAN 2933 sp[hash >> 4] |= swap32(1 << (hash & 0xF)); 2934#else 2935 sp[hash >> 4] |= 1 << (hash & 0xF); 2936#endif 2937 } else { 2938#if BYTE_ORDER == BIG_ENDIAN 2939 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 2940 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 2941 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 2942#else 2943 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 2944 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 2945 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 2946#endif 2947 } 2948 } 2949 } 2950 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 2951 u_int32_t *sp = sc->tulip_setupdata; 2952 int idx = 0; 2953 if (ac->ac_multirangecnt > 0) 2954 sc->tulip_flags |= TULIP_ALLMULTI; 2955 2956 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2957 /* 2958 * Else can get perfect filtering for 16 addresses. 2959 */ 2960 ETHER_FIRST_MULTI(step, ac, enm); 2961 for (; enm != NULL; idx++) { 2962#if BYTE_ORDER == BIG_ENDIAN 2963 *sp++ = ((u_int16_t *) enm->enm_addrlo)[0] << 16; 2964 *sp++ = ((u_int16_t *) enm->enm_addrlo)[1] << 16; 2965 *sp++ = ((u_int16_t *) enm->enm_addrlo)[2] << 16; 2966#else 2967 *sp++ = ((u_int16_t *) enm->enm_addrlo)[0]; 2968 *sp++ = ((u_int16_t *) enm->enm_addrlo)[1]; 2969 *sp++ = ((u_int16_t *) enm->enm_addrlo)[2]; 2970#endif 2971 ETHER_NEXT_MULTI(step, enm); 2972 } 2973 /* 2974 * Add the broadcast address. 2975 */ 2976 idx++; 2977#if BYTE_ORDER == BIG_ENDIAN 2978 *sp++ = 0xFFFF << 16; 2979 *sp++ = 0xFFFF << 16; 2980 *sp++ = 0xFFFF << 16; 2981#else 2982 *sp++ = 0xFFFF; 2983 *sp++ = 0xFFFF; 2984 *sp++ = 0xFFFF; 2985#endif 2986 } 2987 /* 2988 * Pad the rest with our hardware address 2989 */ 2990 for (; idx < 16; idx++) { 2991#if BYTE_ORDER == BIG_ENDIAN 2992 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 2993 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 2994 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 2995#else 2996 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 2997 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 2998 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 2999#endif 3000 } 3001 } 3002 if (sc->tulip_flags & TULIP_ALLMULTI) 3003 sc->tulip_if.if_flags |= IFF_ALLMULTI; 3004} 3005 3006void 3007tulip_reset(tulip_softc_t * const sc) 3008{ 3009 tulip_ringinfo_t *ri; 3010 tulip_desc_t *di; 3011 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3012 3013 /* 3014 * Brilliant. Simply brilliant. When switching modes/speeds 3015 * on a 2114*, you need to set the appropriate MII/PCS/SCL/PS 3016 * bits in CSR6 and then do a software reset to get the 21140 3017 * to properly reset its internal pathways to the right places. 3018 * Grrrr. 3019 */ 3020 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 3021 && sc->tulip_boardsw->bd_media_preset != NULL) 3022 (*sc->tulip_boardsw->bd_media_preset)(sc); 3023 3024 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3025 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3026 33MHz that comes to two microseconds but wait a 3027 bit longer anyways) */ 3028 3029 if (!inreset) { 3030 sc->tulip_flags |= TULIP_INRESET; 3031 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3032 ifq_clr_oactive(&sc->tulip_if.if_snd); 3033 } 3034 3035 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txdescmap->dm_segs[0].ds_addr); 3036 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxdescmap->dm_segs[0].ds_addr); 3037 TULIP_CSR_WRITE(sc, csr_busmode, 3038 (1 << (TULIP_BURSTSIZE(sc->tulip_unit) + 8)) 3039 |TULIP_BUSMODE_CACHE_ALIGN8 3040 |TULIP_BUSMODE_READMULTIPLE 3041 |(BYTE_ORDER != LITTLE_ENDIAN ? 3042 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 3043 3044 sc->tulip_txtimer = 0; 3045 /* 3046 * Free all the mbufs that were on the transmit ring. 3047 */ 3048 for (;;) { 3049 bus_dmamap_t map; 3050 struct mbuf *m; 3051 m = ml_dequeue(&sc->tulip_txq); 3052 if (m == NULL) 3053 break; 3054 map = TULIP_GETCTX(m, bus_dmamap_t); 3055 bus_dmamap_unload(sc->tulip_dmatag, map); 3056 tulip_free_txmap(sc, map); 3057 m_freem(m); 3058 } 3059 3060 ri = &sc->tulip_txinfo; 3061 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3062 ri->ri_free = ri->ri_max; 3063 for (di = ri->ri_first; di < ri->ri_last; di++) 3064 di->d_status = 0; 3065 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_txdescmap, 3066 0, sc->tulip_txdescmap->dm_mapsize, 3067 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3068 3069 /* 3070 * We need to collect all the mbufs were on the 3071 * receive ring before we reinit it either to put 3072 * them back on or to know if we have to allocate 3073 * more. 3074 */ 3075 ri = &sc->tulip_rxinfo; 3076 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3077 ri->ri_free = ri->ri_max; 3078 for (di = ri->ri_first; di < ri->ri_last; di++) { 3079 di->d_status = 0; 3080 di->d_length1 = 0; di->d_addr1 = 0; 3081 di->d_length2 = 0; di->d_addr2 = 0; 3082 } 3083 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_rxdescmap, 3084 0, sc->tulip_rxdescmap->dm_mapsize, 3085 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3086 for (;;) { 3087 bus_dmamap_t map; 3088 struct mbuf *m; 3089 m = ml_dequeue(&sc->tulip_rxq); 3090 if (m == NULL) 3091 break; 3092 map = TULIP_GETCTX(m, bus_dmamap_t); 3093 bus_dmamap_unload(sc->tulip_dmatag, map); 3094 tulip_free_rxmap(sc, map); 3095 m_freem(m); 3096 } 3097 3098 /* 3099 * If tulip_reset is being called recursively, exit quickly knowing 3100 * that when the outer tulip_reset returns all the right stuff will 3101 * have happened. 3102 */ 3103 if (inreset) 3104 return; 3105 3106 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3107 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3108 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3109 |TULIP_STS_RXSTOPPED; 3110 3111 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3112 (*sc->tulip_boardsw->bd_media_select)(sc); 3113#if defined(TULIP_DEBUG) 3114 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3115 printf(TULIP_PRINTF_FMT ": tulip_reset: additional reset needed?!?\n", 3116 TULIP_PRINTF_ARGS); 3117#endif 3118 tulip_media_print(sc); 3119 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3120 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3121 3122 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3123 |TULIP_RXACT); 3124 tulip_addr_filter(sc); 3125} 3126 3127void 3128tulip_init(tulip_softc_t * const sc) 3129{ 3130 if (sc->tulip_if.if_flags & IFF_UP) { 3131 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 3132 /* initialize the media */ 3133 tulip_reset(sc); 3134 } 3135 sc->tulip_if.if_flags |= IFF_RUNNING; 3136 if (sc->tulip_if.if_flags & IFF_PROMISC) { 3137 sc->tulip_flags |= TULIP_PROMISC; 3138 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3139 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3140 } else { 3141 sc->tulip_flags &= ~TULIP_PROMISC; 3142 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3143 if (sc->tulip_flags & TULIP_ALLMULTI) 3144 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3145 else 3146 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3147 } 3148 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3149 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3150 tulip_rx_intr(sc); 3151 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3152 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3153 } else { 3154 ifq_set_oactive(&sc->tulip_if.if_snd); 3155 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3156 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3157 } 3158 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3159 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3160 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3161 tulip_txput_setup(sc); 3162 } else { 3163 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3164 tulip_reset(sc); 3165 } 3166} 3167 3168void 3169tulip_rx_intr(tulip_softc_t * const sc) 3170{ 3171 TULIP_PERFSTART(rxintr) 3172 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3173 struct ifnet * const ifp = &sc->tulip_if; 3174 struct mbuf_list ml = MBUF_LIST_INITIALIZER(); 3175 int fillok = 1; 3176#if defined(TULIP_DEBUG) 3177 int cnt = 0; 3178#endif 3179 3180 for (;;) { 3181 TULIP_PERFSTART(rxget) 3182 tulip_desc_t *eop = ri->ri_nextin; 3183 int total_len = 0, last_offset = 0; 3184 struct mbuf *ms = NULL, *me = NULL; 3185 int accept = 0; 3186 bus_dmamap_t map; 3187 int error; 3188 3189 if (fillok && ml_len(&sc->tulip_rxq) < TULIP_RXQ_TARGET) 3190 goto queue_mbuf; 3191 3192#if defined(TULIP_DEBUG) 3193 if (cnt == ri->ri_max) 3194 break; 3195#endif 3196 /* 3197 * If the TULIP has no descriptors, there can't be any receive 3198 * descriptors to process. 3199 */ 3200 if (eop == ri->ri_nextout) 3201 break; 3202 3203 /* 3204 * 90% of the packets will fit in one descriptor. So we optimize 3205 * for that case. 3206 */ 3207 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3208 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3209#ifdef DIAGNOSTIC 3210 if (ml_empty(&sc->tulip_rxq)) 3211 panic("%s: tulip_rxq empty", sc->tulip_if.if_xname); 3212#endif 3213 ms = ml_dequeue(&sc->tulip_rxq); 3214 me = ms; 3215 } else { 3216 /* 3217 * If still owned by the TULIP, don't touch it. 3218 */ 3219 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3220 break; 3221 3222 /* 3223 * It is possible (though improbable unless MCLBYTES < 1518) for 3224 * a received packet to cross more than one receive descriptor. 3225 */ 3226 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3227 if (++eop == ri->ri_last) 3228 eop = ri->ri_first; 3229 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3230 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3231 TULIP_PERFEND(rxget); 3232 goto out; 3233 } 3234 total_len++; 3235 } 3236 3237 /* 3238 * Dequeue the first buffer for the start of the packet. Hopefully 3239 * this will be the only one we need to dequeue. However, if the 3240 * packet consumed multiple descriptors, then we need to dequeue 3241 * those buffers and chain to the starting mbuf. All buffers but 3242 * the last buffer have the same length so we can set that now. 3243 * (we add to last_offset instead of multiplying since we normally 3244 * won't go into the loop and thereby saving a ourselves from 3245 * doing a multiplication by 0 in the normal case). 3246 */ 3247 ms = ml_dequeue(&sc->tulip_rxq); 3248 for (me = ms; total_len > 0; total_len--) { 3249 map = TULIP_GETCTX(me, bus_dmamap_t); 3250 TULIP_RXMAP_POSTSYNC(sc, map); 3251 bus_dmamap_unload(sc->tulip_dmatag, map); 3252 tulip_free_rxmap(sc, map); 3253 me->m_len = TULIP_RX_BUFLEN; 3254 last_offset += TULIP_RX_BUFLEN; 3255 me->m_next = ml_dequeue(&sc->tulip_rxq); 3256 me = me->m_next; 3257 } 3258 } 3259 3260 /* 3261 * Now get the size of received packet (minus the CRC). 3262 */ 3263 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3264 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3265 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0)) { 3266 me->m_len = total_len - last_offset; 3267 3268 map = TULIP_GETCTX(me, bus_dmamap_t); 3269 bus_dmamap_sync(sc->tulip_dmatag, map, 0, me->m_len, 3270 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 3271 bus_dmamap_unload(sc->tulip_dmatag, map); 3272 tulip_free_rxmap(sc, map); 3273 sc->tulip_flags |= TULIP_RXACT; 3274 accept = 1; 3275 } else { 3276 ifp->if_ierrors++; 3277 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) 3278 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3279 else { 3280#ifdef TULIP_DEBUG 3281 const char *error = NULL; 3282 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3283 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3284 error = "frame too long"; 3285 } 3286 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3287 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3288 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3289 error = "alignment error"; 3290 } else { 3291 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3292 error = "bad crc"; 3293 } 3294 } 3295 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3296 printf(TULIP_PRINTF_FMT ": receive: %s: %s\n", 3297 TULIP_PRINTF_ARGS, 3298 ether_sprintf(mtod(ms, u_char *) + 6), 3299 error); 3300 sc->tulip_flags |= TULIP_NOMESSAGES; 3301 } 3302#endif 3303 } 3304 3305 map = TULIP_GETCTX(me, bus_dmamap_t); 3306 bus_dmamap_unload(sc->tulip_dmatag, map); 3307 tulip_free_rxmap(sc, map); 3308 } 3309#if defined(TULIP_DEBUG) 3310 cnt++; 3311#endif 3312 if (++eop == ri->ri_last) 3313 eop = ri->ri_first; 3314 ri->ri_nextin = eop; 3315 queue_mbuf: 3316 /* 3317 * Either we are priming the TULIP with mbufs (m == NULL) 3318 * or we are about to accept an mbuf for the upper layers 3319 * so we need to allocate an mbuf to replace it. If we 3320 * can't replace it, send up it anyways. This may cause 3321 * us to drop packets in the future but that's better than 3322 * being caught in livelock. 3323 * 3324 * Note that if this packet crossed multiple descriptors 3325 * we don't even try to reallocate all the mbufs here. 3326 * Instead we rely on the test of the beginning of 3327 * the loop to refill for the extra consumed mbufs. 3328 */ 3329 if (accept || ms == NULL) { 3330 struct mbuf *m0; 3331 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3332 if (m0 != NULL) { 3333#if defined(TULIP_COPY_RXDATA) 3334 if (!accept || total_len >= (MHLEN - 2)) { 3335#endif 3336 MCLGET(m0, M_DONTWAIT); 3337 if ((m0->m_flags & M_EXT) == 0) { 3338 m_freem(m0); 3339 m0 = NULL; 3340 } 3341#if defined(TULIP_COPY_RXDATA) 3342 } 3343#endif 3344 } 3345 if (accept 3346#if defined(TULIP_COPY_RXDATA) 3347 && m0 != NULL 3348#endif 3349 ) { 3350#if !defined(TULIP_COPY_RXDATA) 3351 ms->m_pkthdr.len = total_len; 3352 ml_enqueue(&ml, ms); 3353#else 3354 m0->m_data += 2; /* align data after header */ 3355 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3356 m0->m_len = m0->m_pkthdr.len = total_len; 3357 ml_enqueue(&ml, m0); 3358 m0 = ms; 3359#endif 3360 } 3361 ms = m0; 3362 } 3363 if (ms == NULL) { 3364 /* 3365 * Couldn't allocate a new buffer. Don't bother 3366 * trying to replenish the receive queue. 3367 */ 3368 fillok = 0; 3369 sc->tulip_flags |= TULIP_RXBUFSLOW; 3370#if defined(TULIP_DEBUG) 3371 sc->tulip_dbg.dbg_rxlowbufs++; 3372#endif 3373 TULIP_PERFEND(rxget); 3374 continue; 3375 } 3376 /* 3377 * Now give the buffer(s) to the TULIP and save in our 3378 * receive queue. 3379 */ 3380 do { 3381 tulip_desc_t * const nextout = ri->ri_nextout; 3382 if (sc->tulip_num_free_rxmaps > 0) { 3383 map = tulip_alloc_rxmap(sc); 3384 } else { 3385 m_freem(ms); 3386 sc->tulip_flags |= TULIP_RXBUFSLOW; 3387#if defined(TULIP_DEBUG) 3388 sc->tulip_dbg.dbg_rxlowbufs++; 3389#endif 3390 break; 3391 } 3392 TULIP_SETCTX(ms, map); 3393 error = bus_dmamap_load(sc->tulip_dmatag, map, mtod(ms, void *), 3394 TULIP_RX_BUFLEN, NULL, BUS_DMA_NOWAIT); 3395 if (error) { 3396 printf(TULIP_PRINTF_FMT ": unable to load rx map, " 3397 "error = %d\n", TULIP_PRINTF_ARGS, error); 3398 panic("tulip_rx_intr"); /* XXX */ 3399 } 3400 nextout->d_addr1 = map->dm_segs[0].ds_addr; 3401 nextout->d_length1 = map->dm_segs[0].ds_len; 3402 if (map->dm_nsegs == 2) { 3403 nextout->d_addr2 = map->dm_segs[1].ds_addr; 3404 nextout->d_length2 = map->dm_segs[1].ds_len; 3405 } else { 3406 nextout->d_addr2 = 0; 3407 nextout->d_length2 = 0; 3408 } 3409 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(*nextout)); 3410 nextout->d_status = TULIP_DSTS_OWNER; 3411 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3412 if (++ri->ri_nextout == ri->ri_last) 3413 ri->ri_nextout = ri->ri_first; 3414 me = ms->m_next; 3415 ms->m_next = NULL; 3416 ml_enqueue(&sc->tulip_rxq, ms); 3417 } while ((ms = me) != NULL); 3418 3419 if (ml_len(&sc->tulip_rxq) >= TULIP_RXQ_TARGET) 3420 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3421 TULIP_PERFEND(rxget); 3422 } 3423out: 3424 if_input(ifp, &ml); 3425 3426#if defined(TULIP_DEBUG) 3427 sc->tulip_dbg.dbg_rxintrs++; 3428 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3429#endif 3430 TULIP_PERFEND(rxintr); 3431} 3432 3433int 3434tulip_tx_intr(tulip_softc_t * const sc) 3435{ 3436 TULIP_PERFSTART(txintr) 3437 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3438 struct mbuf *m; 3439 int xmits = 0; 3440 int descs = 0; 3441 3442 while (ri->ri_free < ri->ri_max) { 3443 u_int32_t d_flag; 3444 3445 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3446 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3447 break; 3448 3449 ri->ri_free++; 3450 descs++; 3451 d_flag = ri->ri_nextin->d_flag; 3452 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3453 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3454 /* 3455 * We've just finished processing a setup packet. 3456 * Mark that we finished it. If there's not 3457 * another pending, startup the TULIP receiver. 3458 * Make sure we ack the RXSTOPPED so we won't get 3459 * an abnormal interrupt indication. 3460 */ 3461 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3462 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3463 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3464 sc->tulip_flags |= TULIP_HASHONLY; 3465 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3466 tulip_rx_intr(sc); 3467 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3468 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3469 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3470 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3471 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3472 } 3473 } else { 3474 const u_int32_t d_status = ri->ri_nextin->d_status; 3475 m = ml_dequeue(&sc->tulip_txq); 3476 if (m != NULL) { 3477 bus_dmamap_t map = TULIP_GETCTX(m, bus_dmamap_t); 3478 TULIP_TXMAP_POSTSYNC(sc, map); 3479 tulip_free_txmap(sc, map); 3480#if NBPFILTER > 0 3481 if (sc->tulip_bpf != NULL) 3482 bpf_mtap(sc->tulip_if.if_bpf, m, BPF_DIRECTION_OUT); 3483#endif 3484 m_freem(m); 3485 } 3486 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3487 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3488 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3489#if defined(TULIP_DEBUG) 3490 if (d_status & TULIP_DSTS_TxNOCARR) 3491 sc->tulip_dbg.dbg_txprobe_nocarr++; 3492 if (d_status & TULIP_DSTS_TxEXCCOLL) 3493 sc->tulip_dbg.dbg_txprobe_exccoll++; 3494#endif 3495 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3496 } 3497 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3498 /* 3499 * Escape from the loop before media poll has reset the TULIP! 3500 */ 3501 break; 3502 } else { 3503 xmits++; 3504 if (d_status & TULIP_DSTS_ERRSUM) { 3505 sc->tulip_if.if_oerrors++; 3506 if (d_status & TULIP_DSTS_TxEXCCOLL) 3507 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3508 if (d_status & TULIP_DSTS_TxLATECOLL) 3509 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3510 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3511 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3512 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3513 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3514 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3515 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3516 if (d_status & TULIP_DSTS_TxBABBLE) 3517 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3518 } else { 3519 u_int32_t collisions = 3520 (d_status & TULIP_DSTS_TxCOLLMASK) 3521 >> TULIP_DSTS_V_TxCOLLCNT; 3522 sc->tulip_if.if_collisions += collisions; 3523 if (collisions == 1) 3524 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3525 else if (collisions > 1) 3526 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3527 else if (d_status & TULIP_DSTS_TxDEFERRED) 3528 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3529 /* 3530 * SQE is only valid for 10baseT/BNC/AUI when not 3531 * running in full-duplex. In order to speed up the 3532 * test, the corresponding bit in tulip_flags needs to 3533 * set as well to get us to count SQE Test Errors. 3534 */ 3535 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3536 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3537 } 3538 } 3539 } 3540 } 3541 3542 if (++ri->ri_nextin == ri->ri_last) 3543 ri->ri_nextin = ri->ri_first; 3544 3545 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3546 ifq_clr_oactive(&sc->tulip_if.if_snd); 3547 } 3548 /* 3549 * If nothing left to transmit, disable the timer. 3550 * Else if progress, reset the timer back to 2 ticks. 3551 */ 3552 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3553 sc->tulip_txtimer = 0; 3554 else if (xmits > 0) 3555 sc->tulip_txtimer = TULIP_TXTIMER; 3556 TULIP_PERFEND(txintr); 3557 return (descs); 3558} 3559 3560void 3561tulip_print_abnormal_interrupt(tulip_softc_t * const sc, u_int32_t csr) 3562{ 3563#ifdef TULIP_DEBUG 3564 const char * const *msgp = tulip_status_bits; 3565 const char *sep; 3566 u_int32_t mask; 3567 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024\0"; 3568 3569 csr &= (1 << (nitems(tulip_status_bits))) - 1; 3570 printf(TULIP_PRINTF_FMT ": abnormal interrupt:", TULIP_PRINTF_ARGS); 3571 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3572 if ((csr & mask) && *msgp != NULL) { 3573 printf("%s%s", sep, *msgp); 3574 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3575 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3576 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) 3577 printf(" (switching to store-and-forward mode)"); 3578 else { 3579 printf(" (raising TX threshold to %s)", 3580 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3581 } 3582 } 3583 sep = ", "; 3584 } 3585 } 3586 printf("\n"); 3587#endif 3588} 3589 3590void 3591tulip_intr_handler(tulip_softc_t * const sc, int *progress_p) 3592{ 3593 TULIP_PERFSTART(intr) 3594 u_int32_t csr; 3595 3596 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3597 *progress_p = 1; 3598 TULIP_CSR_WRITE(sc, csr_status, csr); 3599 3600 if (csr & TULIP_STS_SYSERROR) { 3601 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3602 if (sc->tulip_flags & TULIP_NOMESSAGES) 3603 sc->tulip_flags |= TULIP_SYSTEMERROR; 3604 else { 3605#if defined(TULIP_DEBUG) 3606 printf(TULIP_PRINTF_FMT ": system error: %s\n", 3607 TULIP_PRINTF_ARGS, 3608 tulip_system_errors[sc->tulip_last_system_error]); 3609#endif 3610 } 3611 sc->tulip_flags |= TULIP_NEEDRESET; 3612 sc->tulip_system_errors++; 3613 break; 3614 } 3615 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3616#if defined(TULIP_DEBUG) 3617 sc->tulip_dbg.dbg_link_intrs++; 3618#endif 3619 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3620 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3621 ? TULIP_MEDIAPOLL_LINKFAIL 3622 : TULIP_MEDIAPOLL_LINKPASS); 3623 csr &= ~TULIP_STS_ABNRMLINTR; 3624 } 3625 tulip_media_print(sc); 3626 } 3627 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3628 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3629 if (csr & TULIP_STS_RXNOBUF) 3630 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3631 /* 3632 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3633 * on receive overflows. 3634 */ 3635 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3636 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3637 /* 3638 * Stop the receiver process and spin until it's stopped. 3639 * Tell rx_intr to drop the packets it dequeues. 3640 */ 3641 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3642 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3643 ; 3644 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3645 sc->tulip_flags |= TULIP_RXIGNORE; 3646 } 3647 tulip_rx_intr(sc); 3648 if (sc->tulip_flags & TULIP_RXIGNORE) { 3649 /* 3650 * Restart the receiver. 3651 */ 3652 sc->tulip_flags &= ~TULIP_RXIGNORE; 3653 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3654 } 3655 } 3656 if (csr & TULIP_STS_ABNRMLINTR) { 3657 u_int32_t tmp = csr & sc->tulip_intrmask 3658 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3659 if (csr & TULIP_STS_TXUNDERFLOW) { 3660#if defined(TULIP_DEBUG) 3661 printf ("Underflow interrupt\n"); 3662#endif 3663 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3664 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3665 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3666 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3667 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3668 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3669 } 3670 } 3671 if (sc->tulip_flags & TULIP_NOMESSAGES) 3672 sc->tulip_statusbits |= tmp; 3673 else { 3674 tulip_print_abnormal_interrupt(sc, tmp); 3675 sc->tulip_flags |= TULIP_NOMESSAGES; 3676 } 3677 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3678 } 3679 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3680 tulip_tx_intr(sc); 3681 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3682 tulip_ifstart(&sc->tulip_if); 3683 } 3684 } 3685 if (sc->tulip_flags & TULIP_NEEDRESET) { 3686 tulip_reset(sc); 3687 tulip_init(sc); 3688 } 3689 TULIP_PERFEND(intr); 3690} 3691 3692int 3693tulip_intr_shared(void *arg) 3694{ 3695 tulip_softc_t * sc = arg; 3696 int progress = 0; 3697 3698 for (; sc != NULL; sc = sc->tulip_slaves) { 3699#if defined(TULIP_DEBUG) 3700 sc->tulip_dbg.dbg_intrs++; 3701#endif 3702 tulip_intr_handler(sc, &progress); 3703 } 3704 return (progress); 3705} 3706 3707int 3708tulip_intr_normal(void *arg) 3709{ 3710 tulip_softc_t * sc = (tulip_softc_t *) arg; 3711 int progress = 0; 3712 3713#if defined(TULIP_DEBUG) 3714 sc->tulip_dbg.dbg_intrs++; 3715#endif 3716 tulip_intr_handler(sc, &progress); 3717 3718 return (progress); 3719} 3720 3721struct mbuf * 3722tulip_txput(tulip_softc_t * const sc, struct mbuf *m, int notonqueue) 3723{ 3724 TULIP_PERFSTART(txput) 3725 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3726 tulip_desc_t *eop, *nextout; 3727 int segcnt, freedescs; 3728 u_int32_t d_status; 3729 bus_dmamap_t map; 3730 struct ifnet *ifp = &sc->tulip_if; 3731 3732#if defined(TULIP_DEBUG) 3733 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 3734 printf(TULIP_PRINTF_FMT ": txput%s: tx not running\n", 3735 TULIP_PRINTF_ARGS, 3736 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 3737 sc->tulip_flags |= TULIP_WANTTXSTART; 3738 sc->tulip_dbg.dbg_txput_finishes[0]++; 3739 goto finish; 3740 } 3741#endif 3742 3743 /* 3744 * Now we try to fill in our transmit descriptors. This is 3745 * a bit reminiscent of going on the Ark two by two 3746 * since each descriptor for the TULIP can describe 3747 * two buffers. So we advance through packet filling 3748 * each of the two entries at a time to fill each 3749 * descriptor. Clear the first and last segment bits 3750 * in each descriptor (actually just clear everything 3751 * but the end-of-ring or chain bits) to make sure 3752 * we don't get messed up by previously sent packets. 3753 * 3754 * We may fail to put the entire packet on the ring if 3755 * there is either not enough ring entries free or if the 3756 * packet has more than MAX_TXSEG segments. In the former 3757 * case we will just wait for the ring to empty. In the 3758 * latter case we have to recopy. 3759 */ 3760 d_status = 0; 3761 eop = nextout = ri->ri_nextout; 3762 segcnt = 0; 3763 freedescs = ri->ri_free; 3764 3765 /* 3766 * Reclaim some DMA maps from if we are out. 3767 */ 3768 if (sc->tulip_num_free_txmaps == 0) { 3769#if defined(TULIP_DEBUG) 3770 sc->tulip_dbg.dbg_no_txmaps++; 3771#endif 3772 freedescs += tulip_tx_intr(sc); 3773 } 3774 if (sc->tulip_num_free_txmaps > 0) 3775 map = tulip_alloc_txmap(sc); 3776 else { 3777 sc->tulip_flags |= TULIP_WANTTXSTART; 3778#if defined(TULIP_DEBUG) 3779 sc->tulip_dbg.dbg_txput_finishes[1]++; 3780#endif 3781 goto finish; 3782 } 3783 switch (bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT)) { 3784 case 0: 3785 break; 3786 case EFBIG: 3787 /* 3788 * The packet exceeds the number of transmit buffer 3789 * entries that we can use for one packet, so we have 3790 * to recopy it into one mbuf and then try again. 3791 */ 3792 if (m_defrag(m, M_DONTWAIT) == 0 && 3793 bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT) == 0) 3794 break; 3795 /* FALLTHROUGH */ 3796 default: 3797 tulip_free_txmap(sc, map); 3798 goto finish; 3799 } 3800 3801 if ((freedescs -= (map->dm_nsegs + 1) / 2) <= 0 3802 /* 3803 * See if there's any unclaimed space in the transmit ring. 3804 */ 3805 && (freedescs += tulip_tx_intr(sc)) <= 0) { 3806 /* 3807 * There's no more room but since nothing 3808 * has been committed at this point, just 3809 * show output is active, put back the 3810 * mbuf and return. 3811 */ 3812 sc->tulip_flags |= TULIP_WANTTXSTART; 3813#if defined(TULIP_DEBUG) 3814 sc->tulip_dbg.dbg_txput_finishes[4]++; 3815#endif 3816 bus_dmamap_unload(sc->tulip_dmatag, map); 3817 tulip_free_txmap(sc, map); 3818 goto finish; 3819 } 3820 for (; map->dm_nsegs - segcnt > 1; segcnt += 2) { 3821 eop = nextout; 3822 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3823 eop->d_status = d_status; 3824 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 3825 eop->d_length1 = map->dm_segs[segcnt].ds_len; 3826 eop->d_addr2 = map->dm_segs[segcnt+1].ds_addr; 3827 eop->d_length2 = map->dm_segs[segcnt+1].ds_len; 3828 d_status = TULIP_DSTS_OWNER; 3829 if (++nextout == ri->ri_last) 3830 nextout = ri->ri_first; 3831 } 3832 if (segcnt < map->dm_nsegs) { 3833 eop = nextout; 3834 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3835 eop->d_status = d_status; 3836 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 3837 eop->d_length1 = map->dm_segs[segcnt].ds_len; 3838 eop->d_addr2 = 0; 3839 eop->d_length2 = 0; 3840 if (++nextout == ri->ri_last) 3841 nextout = ri->ri_first; 3842 } 3843 TULIP_TXMAP_PRESYNC(sc, map); 3844 3845 /* 3846 * The descriptors have been filled in. Now get ready 3847 * to transmit. 3848 */ 3849 if (!notonqueue) 3850 ifq_deq_commit(&ifp->if_snd, m); 3851 3852 TULIP_SETCTX(m, map); 3853 map = NULL; 3854 3855 ml_enqueue(&sc->tulip_txq, m); 3856 m = NULL; 3857 3858 /* 3859 * Make sure the next descriptor after this packet is owned 3860 * by us since it may have been set up above if we ran out 3861 * of room in the ring. 3862 */ 3863 nextout->d_status = 0; 3864 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 3865 3866 /* 3867 * Mark the last and first segments, indicate we want a transmit 3868 * complete interrupt, and tell it to transmit! 3869 */ 3870 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 3871 3872 /* 3873 * Note that ri->ri_nextout is still the start of the packet 3874 * and until we set the OWNER bit, we can still back out of 3875 * everything we have done. 3876 */ 3877 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 3878 if (eop < ri->ri_nextout) { 3879 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 3880 (caddr_t) ri->ri_last - (caddr_t) ri->ri_nextout); 3881 TULIP_TXDESC_PRESYNC(sc, ri->ri_first, 3882 (caddr_t) (eop + 1) - (caddr_t) ri->ri_first); 3883 } else { 3884 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 3885 (caddr_t) (eop + 1) - (caddr_t) ri->ri_nextout); 3886 } 3887 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 3888 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 3889 3890 /* 3891 * This advances the ring for us. 3892 */ 3893 ri->ri_nextout = nextout; 3894 ri->ri_free = freedescs; 3895 3896 TULIP_PERFEND(txput); 3897 3898 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3899 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3900 ifq_set_oactive(&sc->tulip_if.if_snd); 3901 TULIP_PERFEND(txput); 3902 return (NULL); 3903 } 3904 3905 /* 3906 * switch back to the single queueing ifstart. 3907 */ 3908 sc->tulip_flags &= ~TULIP_WANTTXSTART; 3909 if (sc->tulip_txtimer == 0) 3910 sc->tulip_txtimer = TULIP_TXTIMER; 3911#if defined(TULIP_DEBUG) 3912 sc->tulip_dbg.dbg_txput_finishes[5]++; 3913#endif 3914 3915 /* 3916 * If we want a txstart, there must be not enough space in the 3917 * transmit ring. So we want to enable transmit done interrupts 3918 * so we can immediately reclaim some space. When the transmit 3919 * interrupt is posted, the interrupt handler will call tx_intr 3920 * to reclaim space and then txstart (since WANTTXSTART is set). 3921 * txstart will move the packet into the transmit ring and clear 3922 * WANTTXSTART thereby causing TXINTR to be cleared. 3923 */ 3924 finish: 3925#if defined(TULIP_DEBUG) 3926 sc->tulip_dbg.dbg_txput_finishes[6]++; 3927#endif 3928 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 3929 ifq_set_oactive(&sc->tulip_if.if_snd); 3930 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 3931 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3932 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3933 } 3934 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 3935 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 3936 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 3937 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3938 } 3939 } 3940 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3941 TULIP_PERFEND(txput); 3942 return (m); 3943} 3944 3945void 3946tulip_txput_setup(tulip_softc_t * const sc) 3947{ 3948 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3949 tulip_desc_t *nextout; 3950 3951 /* 3952 * We will transmit, at most, one setup packet per call to ifstart. 3953 */ 3954 3955#if defined(TULIP_DEBUG) 3956 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 3957 printf(TULIP_PRINTF_FMT ": txput_setup: tx not running\n", 3958 TULIP_PRINTF_ARGS); 3959 sc->tulip_flags |= TULIP_WANTTXSTART; 3960 return; 3961 } 3962#endif 3963 /* 3964 * Try to reclaim some free descriptors.. 3965 */ 3966 if (ri->ri_free < 2) 3967 tulip_tx_intr(sc); 3968 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 3969 sc->tulip_flags |= TULIP_WANTTXSTART; 3970 return; 3971 } 3972 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 3973 sizeof(sc->tulip_setupdata)); 3974 /* 3975 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 3976 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 3977 */ 3978 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 3979 ri->ri_free--; 3980 nextout = ri->ri_nextout; 3981 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3982 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 3983 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 3984 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 3985 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 3986 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 3987 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 3988 3989 nextout->d_length2 = 0; 3990 nextout->d_addr2 = 0; 3991 nextout->d_length1 = sc->tulip_setupmap->dm_segs[0].ds_len; 3992 nextout->d_addr1 = sc->tulip_setupmap->dm_segs[0].ds_addr; 3993 if (sc->tulip_setupmap->dm_nsegs == 2) { 3994 nextout->d_length2 = sc->tulip_setupmap->dm_segs[1].ds_len; 3995 nextout->d_addr2 = sc->tulip_setupmap->dm_segs[1].ds_addr; 3996 } 3997 TULIP_TXMAP_PRESYNC(sc, sc->tulip_setupmap); 3998 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(*nextout)); 3999 4000 /* 4001 * Advance the ring for the next transmit packet. 4002 */ 4003 if (++ri->ri_nextout == ri->ri_last) 4004 ri->ri_nextout = ri->ri_first; 4005 4006 /* 4007 * Make sure the next descriptor is owned by us since it 4008 * may have been set up above if we ran out of room in the 4009 * ring. 4010 */ 4011 ri->ri_nextout->d_status = 0; 4012 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4013 nextout->d_status = TULIP_DSTS_OWNER; 4014 /* 4015 * Flush the ownership of the current descriptor 4016 */ 4017 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4018 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4019 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4020 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4021 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4022 } 4023} 4024 4025/* 4026 * This routine is entered at splnet(). 4027 */ 4028int 4029tulip_ifioctl(struct ifnet * ifp, u_long cmd, caddr_t data) 4030{ 4031 TULIP_PERFSTART(ifioctl) 4032 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4033 struct ifreq *ifr = (struct ifreq *) data; 4034 int s; 4035 int error = 0; 4036 4037 s = splnet(); 4038 4039 switch (cmd) { 4040 case SIOCSIFADDR: { 4041 ifp->if_flags |= IFF_UP; 4042 tulip_init(sc); 4043 break; 4044 } 4045 4046 case SIOCSIFFLAGS: { 4047 tulip_init(sc); 4048 break; 4049 } 4050 4051 case SIOCSIFMEDIA: 4052 case SIOCGIFMEDIA: { 4053 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4054 break; 4055 } 4056 4057 default: 4058 error = ether_ioctl(ifp, &sc->tulip_ac, cmd, data); 4059 } 4060 4061 if (error == ENETRESET) { 4062 if (ifp->if_flags & IFF_RUNNING) { 4063 tulip_addr_filter(sc); /* reset multicast filtering */ 4064 tulip_init(sc); 4065 } 4066 error = 0; 4067 } 4068 4069 splx(s); 4070 TULIP_PERFEND(ifioctl); 4071 return (error); 4072} 4073 4074/* 4075 * the original dequeueing policy is dequeue-and-prepend if something 4076 * goes wrong. 4077 * the modification becomes a bit complicated since tulip_txput() might 4078 * copy and modify the mbuf passed. 4079 */ 4080 4081void 4082tulip_ifstart(struct ifnet * const ifp) 4083{ 4084 TULIP_PERFSTART(ifstart) 4085 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4086 struct mbuf *m, *m0; 4087 4088 if (sc->tulip_if.if_flags & IFF_RUNNING) { 4089 4090 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4091 tulip_txput_setup(sc); 4092 4093 for (;;) { 4094 m = ifq_deq_begin(&sc->tulip_if.if_snd); 4095 if (m == NULL) 4096 break; 4097 m0 = tulip_txput(sc, m, 0); 4098 if (m0 != NULL) { 4099 KASSERT(m == m0); 4100 ifq_deq_rollback(&sc->tulip_if.if_snd, m); 4101 break; 4102 } 4103 } 4104 } 4105 4106 TULIP_PERFEND(ifstart); 4107} 4108 4109void 4110tulip_ifwatchdog(struct ifnet *ifp) 4111{ 4112 TULIP_PERFSTART(ifwatchdog) 4113 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4114 4115#if defined(TULIP_DEBUG) 4116 u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4117 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4118 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4119 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4120#endif /* TULIP_DEBUG */ 4121 4122 sc->tulip_if.if_timer = 1; 4123 /* 4124 * These should be rare so do a bulk test up front so we can just skip 4125 * them if needed. 4126 */ 4127 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4128 /* 4129 * If the number of receive buffer is low, try to refill 4130 */ 4131 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4132 tulip_rx_intr(sc); 4133 4134#if defined(TULIP_DEBUG) 4135 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4136 printf(TULIP_PRINTF_FMT ": %d system errors: last was %s\n", 4137 TULIP_PRINTF_ARGS, sc->tulip_system_errors, 4138 tulip_system_errors[sc->tulip_last_system_error]); 4139 } 4140#endif 4141 if (sc->tulip_statusbits) { 4142 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4143 sc->tulip_statusbits = 0; 4144 } 4145 4146 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4147 } 4148 4149 if (sc->tulip_txtimer) 4150 tulip_tx_intr(sc); 4151 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4152 printf(TULIP_PRINTF_FMT ": transmission timeout\n", TULIP_PRINTF_ARGS); 4153 if (TULIP_DO_AUTOSENSE(sc)) { 4154 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4155 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4156 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4157 } 4158 tulip_reset(sc); 4159 tulip_init(sc); 4160 } 4161 4162 TULIP_PERFEND(ifwatchdog); 4163 TULIP_PERFMERGE(sc, perf_intr_cycles); 4164 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4165 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4166 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 4167 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4168 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4169 TULIP_PERFMERGE(sc, perf_txput_cycles); 4170 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4171 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4172 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4173 TULIP_PERFMERGE(sc, perf_intr); 4174 TULIP_PERFMERGE(sc, perf_ifstart); 4175 TULIP_PERFMERGE(sc, perf_ifioctl); 4176 TULIP_PERFMERGE(sc, perf_ifwatchdog); 4177 TULIP_PERFMERGE(sc, perf_timeout); 4178 TULIP_PERFMERGE(sc, perf_ifstart_one); 4179 TULIP_PERFMERGE(sc, perf_txput); 4180 TULIP_PERFMERGE(sc, perf_txintr); 4181 TULIP_PERFMERGE(sc, perf_rxintr); 4182 TULIP_PERFMERGE(sc, perf_rxget); 4183} 4184 4185/* 4186 * All printf's are real as of now! 4187 */ 4188#ifdef printf 4189#undef printf 4190#endif 4191 4192int 4193tulip_busdma_allocmem(tulip_softc_t * const sc, size_t size, 4194 bus_dmamap_t *map_p, tulip_desc_t **desc_p) 4195{ 4196 bus_dma_segment_t segs[1]; 4197 int nsegs, error; 4198 error = bus_dmamem_alloc(sc->tulip_dmatag, size, 1, PAGE_SIZE, 4199 segs, sizeof(segs)/sizeof(segs[0]), 4200 &nsegs, BUS_DMA_NOWAIT); 4201 if (error == 0) { 4202 void *desc; 4203 error = bus_dmamem_map(sc->tulip_dmatag, segs, nsegs, size, 4204 (void *) &desc, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 4205 if (error == 0) { 4206 bus_dmamap_t map; 4207 error = bus_dmamap_create(sc->tulip_dmatag, size, 1, size, 0, 4208 BUS_DMA_NOWAIT, &map); 4209 if (error == 0) { 4210 error = bus_dmamap_load(sc->tulip_dmatag, map, desc, 4211 size, NULL, BUS_DMA_NOWAIT); 4212 if (error) 4213 bus_dmamap_destroy(sc->tulip_dmatag, map); 4214 else 4215 *map_p = map; 4216 } 4217 if (error) 4218 bus_dmamem_unmap(sc->tulip_dmatag, desc, size); 4219 } 4220 if (error) 4221 bus_dmamem_free(sc->tulip_dmatag, segs, nsegs); 4222 else 4223 *desc_p = desc; 4224 } 4225 return (error); 4226} 4227 4228int 4229tulip_busdma_init(tulip_softc_t * const sc) 4230{ 4231 int error = 0; 4232 4233 /* 4234 * Allocate space and dmamap for setup descriptor 4235 */ 4236 error = tulip_busdma_allocmem(sc, sizeof(sc->tulip_setupdata), 4237 &sc->tulip_setupmap, &sc->tulip_setupbuf); 4238 4239 /* 4240 * Allocate space and dmamap for transmit ring 4241 */ 4242 if (error == 0) { 4243 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_TXDESCS, 4244 &sc->tulip_txdescmap, 4245 &sc->tulip_txdescs); 4246 } 4247 4248 /* 4249 * Allocate dmamaps for each transmit descriptor, and place on the 4250 * free list. 4251 */ 4252 if (error == 0) { 4253 while (error == 0 && sc->tulip_num_free_txmaps < TULIP_TXDESCS) { 4254 bus_dmamap_t map; 4255 if ((error = TULIP_TXMAP_CREATE(sc, &map)) == 0) 4256 tulip_free_txmap(sc, map); 4257 } 4258 if (error) { 4259 while (sc->tulip_num_free_txmaps > 0) 4260 bus_dmamap_destroy(sc->tulip_dmatag, tulip_alloc_txmap(sc)); 4261 } 4262 } 4263 4264 /* 4265 * Allocate space and dmamap for receive ring 4266 */ 4267 if (error == 0) { 4268 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_RXDESCS, 4269 &sc->tulip_rxdescmap, 4270 &sc->tulip_rxdescs); 4271 } 4272 4273 /* 4274 * Allocate dmamaps for each receive descriptor, and place on the 4275 * free list. 4276 */ 4277 if (error == 0) { 4278 while (error == 0 && sc->tulip_num_free_rxmaps < TULIP_RXDESCS) { 4279 bus_dmamap_t map; 4280 if ((error = TULIP_RXMAP_CREATE(sc, &map)) == 0) 4281 tulip_free_rxmap(sc, map); 4282 } 4283 if (error) { 4284 while (sc->tulip_num_free_rxmaps > 0) 4285 bus_dmamap_destroy(sc->tulip_dmatag, tulip_alloc_rxmap(sc)); 4286 } 4287 } 4288 return (error); 4289} 4290 4291void 4292tulip_initcsrs(tulip_softc_t * const sc, bus_addr_t csr_base, size_t csr_size) 4293{ 4294 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 4295 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 4296 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 4297 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 4298 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 4299 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 4300 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 4301 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 4302 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 4303 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 4304 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 4305 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 4306 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 4307 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 4308 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 4309 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 4310} 4311 4312void 4313tulip_initring(tulip_softc_t * const sc, tulip_ringinfo_t * const ri, 4314 tulip_desc_t *descs, int ndescs) 4315{ 4316 ri->ri_max = ndescs; 4317 ri->ri_first = descs; 4318 ri->ri_last = ri->ri_first + ri->ri_max; 4319 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 4320 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 4321} 4322 4323int 4324tulip_probe(struct device *parent, void *match, void *aux) 4325{ 4326 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 4327 4328 if (PCI_VENDORID(pa->pa_id) != DEC_VENDORID) 4329 return (0); 4330 if (PCI_CHIPID(pa->pa_id) == CHIPID_21040 4331 || PCI_CHIPID(pa->pa_id) == CHIPID_21041 4332 || PCI_CHIPID(pa->pa_id) == CHIPID_21140 4333 || PCI_CHIPID(pa->pa_id) == CHIPID_21142) 4334 return (2); 4335 4336 return (0); 4337} 4338 4339void 4340tulip_attach(struct device * const parent, struct device * const self, void * const aux) 4341{ 4342 tulip_softc_t * const sc = (tulip_softc_t *) self; 4343 struct pci_attach_args * const pa = (struct pci_attach_args *) aux; 4344 struct ifnet * const ifp = &sc->tulip_if; 4345 const int unit = sc->tulip_dev.dv_unit; 4346 int retval, idx; 4347 u_int32_t revinfo, cfdainfo, id; 4348 unsigned csroffset = TULIP_PCI_CSROFFSET; 4349 unsigned csrsize = TULIP_PCI_CSRSIZE; 4350 bus_addr_t csr_base; 4351 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 4352 4353 if (unit >= TULIP_MAX_DEVICES) { 4354 printf(": not configured; limit of %d reached or exceeded\n", 4355 TULIP_MAX_DEVICES); 4356 return; 4357 } 4358 4359 ml_init(&sc->tulip_txq); 4360 ml_init(&sc->tulip_rxq); 4361 4362 revinfo = PCI_CONF_READ(PCI_CFRV) & 0xFF; 4363 id = PCI_CONF_READ(PCI_CFID); 4364 cfdainfo = PCI_CONF_READ(PCI_CFDA); 4365 4366 if (PCI_VENDORID(id) == DEC_VENDORID) { 4367 if (PCI_CHIPID(id) == CHIPID_21040) 4368 chipid = TULIP_21040; 4369 else if (PCI_CHIPID(id) == CHIPID_21041) 4370 chipid = TULIP_21041; 4371 else if (PCI_CHIPID(id) == CHIPID_21140) 4372 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 4373 else if (PCI_CHIPID(id) == CHIPID_21142) 4374 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 4375 } 4376 4377 if (chipid == TULIP_CHIPID_UNKNOWN) 4378 return; 4379 4380 if ((chipid == TULIP_21040 || chipid == TULIP_DE425) && revinfo < 0x20) { 4381 printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n", 4382 revinfo >> 4, revinfo & 0x0f); 4383 return; 4384 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 4385 printf(": not configured; 21140 pass 1.1 required (%d.%d found)\n", 4386 revinfo >> 4, revinfo & 0x0f); 4387 return; 4388 } 4389 4390 PCI_GETBUSDEVINFO(sc); 4391 sc->tulip_chipid = chipid; 4392 sc->tulip_flags |= TULIP_DEVICEPROBE; 4393 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 4394 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 4395 if (chipid == TULIP_21140A && revinfo <= 0x22) 4396 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 4397 if (chipid == TULIP_21140) 4398 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 4399 if (chipid != TULIP_21040 && chipid != TULIP_DE425 && chipid != TULIP_21140) 4400 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 4401 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 4402 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 4403 if (chipid != TULIP_21041 || revinfo >= 0x20) 4404 sc->tulip_features |= TULIP_HAVE_SIANWAY; 4405 if (chipid != TULIP_21041) 4406 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 4407 if (chipid != TULIP_21041 && revinfo >= 0x20) 4408 sc->tulip_features |= TULIP_HAVE_SIA100; 4409 } 4410 4411 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 4412 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 4413 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 4414 PCI_CONF_WRITE(PCI_CFDA, cfdainfo); 4415 DELAY(11*1000); 4416 } 4417 4418 if (sc->tulip_features & TULIP_HAVE_STOREFWD) 4419 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 4420 4421 bcopy(self->dv_xname, sc->tulip_if.if_xname, IFNAMSIZ); 4422 sc->tulip_if.if_softc = sc; 4423 sc->tulip_pc = pa->pa_pc; 4424 sc->tulip_dmatag = pa->pa_dmat; 4425 sc->tulip_revinfo = revinfo; 4426 4427 timeout_set(&sc->tulip_stmo, tulip_timeout_callback, sc); 4428 4429 csr_base = 0; 4430 { 4431 bus_space_tag_t iot, memt; 4432 bus_space_handle_t ioh, memh; 4433 int ioh_valid, memh_valid; 4434 4435 ioh_valid = (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 4436 &iot, &ioh, NULL, NULL, 0) == 0); 4437 memh_valid = (pci_mapreg_map(pa, PCI_CBMA, 4438 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, 4439 &memt, &memh, NULL, NULL, 0) == 0); 4440 4441 if (memh_valid) { 4442 sc->tulip_bustag = memt; 4443 sc->tulip_bushandle = memh; 4444 } else if (ioh_valid) { 4445 sc->tulip_bustag = iot; 4446 sc->tulip_bushandle = ioh; 4447 } else { 4448 printf(": unable to map device registers\n"); 4449 return; 4450 } 4451 } 4452 4453 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 4454 4455 if ((retval = tulip_busdma_init(sc)) != 0) { 4456 printf(": error initing bus_dma: %d\n", retval); 4457 return; 4458 } 4459 4460 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 4461 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 4462 4463 /* 4464 * Make sure there won't be any interrupts or such... 4465 */ 4466 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4467 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 4468 33MHz that comes to two microseconds but wait a 4469 bit longer anyways) */ 4470 4471 if ((retval = tulip_read_macaddr(sc)) < 0) { 4472 printf(", %s%s pass %d.%d", sc->tulip_boardid, 4473 tulip_chipdescs[sc->tulip_chipid], 4474 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 4475 printf(": can't read ENET ROM (why=%d) (", retval); 4476 for (idx = 0; idx < 32; idx++) 4477 printf("%02x", sc->tulip_rombuf[idx]); 4478 printf(", address unknown\n"); 4479 } else { 4480 int (*intr_rtn)(void *) = tulip_intr_normal; 4481 4482 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 4483 intr_rtn = tulip_intr_shared; 4484 4485 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 4486 pci_intr_handle_t intrhandle; 4487 const char *intrstr; 4488 4489 if (pci_intr_map(pa, &intrhandle)) { 4490 printf(": couldn't map interrupt\n"); 4491 return; 4492 } 4493 4494 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 4495 sc->tulip_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_NET, 4496 intr_rtn, sc, self->dv_xname); 4497 if (sc->tulip_ih == NULL) { 4498 printf(": couldn't establish interrupt"); 4499 if (intrstr != NULL) 4500 printf(" at %s", intrstr); 4501 printf("\n"); 4502 return; 4503 } 4504 4505 printf(", %s%s pass %d.%d%s: %s, address %s\n", 4506 sc->tulip_boardid, 4507 tulip_chipdescs[sc->tulip_chipid], 4508 (sc->tulip_revinfo & 0xF0) >> 4, 4509 sc->tulip_revinfo & 0x0F, 4510 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4511 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : "", 4512 intrstr, ether_sprintf(sc->tulip_enaddr)); 4513 } 4514 4515 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST; 4516 ifp->if_ioctl = tulip_ifioctl; 4517 ifp->if_start = tulip_ifstart; 4518 ifp->if_watchdog = tulip_ifwatchdog; 4519 ifp->if_timer = 1; 4520 4521 (*sc->tulip_boardsw->bd_media_probe)(sc); 4522 ifmedia_init(&sc->tulip_ifmedia, 0, 4523 tulip_ifmedia_change, tulip_ifmedia_status); 4524 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4525 tulip_ifmedia_add(sc); 4526 4527 tulip_reset(sc); 4528 4529 if_attach(ifp); 4530 ether_ifattach(ifp); 4531 } 4532} 4533