if_de.c revision 1.139
1/* $OpenBSD: if_de.c,v 1.139 2022/02/22 01:15:01 guenther Exp $ */ 2/* $NetBSD: if_de.c,v 1.58 1998/01/12 09:39:58 thorpej Exp $ */ 3 4/*- 5 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * Id: if_de.c,v 1.89 1997/06/03 19:19:55 thomas Exp 28 * 29 */ 30 31/* 32 * DEC 21040 PCI Ethernet Controller 33 * 34 * Written by Matt Thomas 35 * BPF support code stolen directly from if_ec.c 36 * 37 * This driver supports the DEC DE435 or any other PCI 38 * board which support 21040, 21041, or 21140 (mostly). 39 */ 40 41#include <sys/param.h> 42#include <sys/systm.h> 43#include <sys/mbuf.h> 44#include <sys/socket.h> 45#include <sys/ioctl.h> 46#include <sys/errno.h> 47#include <sys/malloc.h> 48#include <sys/kernel.h> 49#include <sys/device.h> 50#include <sys/timeout.h> 51#include <sys/pool.h> 52 53#include <net/if.h> 54#include <net/if_media.h> 55 56#include "bpfilter.h" 57#if NBPFILTER > 0 58#include <net/bpf.h> 59#endif 60 61#include <netinet/in.h> 62#include <netinet/if_ether.h> 63 64#include <machine/bus.h> 65#include <machine/intr.h> 66#include <dev/pci/pcireg.h> 67#include <dev/pci/pcivar.h> 68#include <dev/ic/dc21040reg.h> 69 70/* 71 * Intel CPUs should use I/O mapped access. 72 */ 73#if defined(__i386__) 74#define TULIP_IOMAPPED 75#endif 76 77#define TULIP_HZ 10 78 79#define TULIP_SIAGEN_WATCHDOG 0 80 81#define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 82 83#define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 84#define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 85 86#define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF) 87#define tulip_srom_crcok(databuf) ( \ 88 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 89 ((databuf)[126] | ((databuf)[127] << 8))) 90 91/* 92 * This is the PCI configuration support. Since the 21040 is available 93 * on both EISA and PCI boards, one must be careful in how defines the 94 * 21040 in the config file. 95 */ 96 97#define PCI_CFID 0x00 /* Configuration ID */ 98#define PCI_CFCS 0x04 /* Configuration Command/Status */ 99#define PCI_CFRV 0x08 /* Configuration Revision */ 100#define PCI_CFLT 0x0c /* Configuration Latency Timer */ 101#define PCI_CBIO 0x10 /* Configuration Base IO Address */ 102#define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 103#define PCI_CFIT 0x3c /* Configuration Interrupt */ 104#define PCI_CFDA 0x40 /* Configuration Driver Area */ 105 106#define PCI_CONF_WRITE(r, v) pci_conf_write(pa->pa_pc, pa->pa_tag, (r), (v)) 107#define PCI_CONF_READ(r) pci_conf_read(pa->pa_pc, pa->pa_tag, (r)) 108#define PCI_GETBUSDEVINFO(sc) do { \ 109 (sc)->tulip_pci_busno = parent; \ 110 (sc)->tulip_pci_devno = pa->pa_device; \ 111 } while (0) 112 113#include <dev/pci/if_devar.h> 114/* 115 * This module supports 116 * the DEC 21040 PCI Ethernet Controller. 117 * the DEC 21041 PCI Ethernet Controller. 118 * the DEC 21140 PCI Fast Ethernet Controller. 119 */ 120int tulip_probe(struct device *parent, void *match, void *aux); 121void tulip_attach(struct device * const parent, struct device * const self, void * const aux); 122 123struct cfattach de_ca = { 124 sizeof(tulip_softc_t), tulip_probe, tulip_attach 125}; 126 127struct cfdriver de_cd = { 128 NULL, "de", DV_IFNET 129}; 130 131void tulip_timeout_callback(void *arg); 132void tulip_timeout(tulip_softc_t * const sc); 133int tulip_txprobe(tulip_softc_t * const sc); 134void tulip_media_set(tulip_softc_t * const sc, tulip_media_t media); 135void tulip_linkup(tulip_softc_t * const sc, tulip_media_t media); 136void tulip_media_print(tulip_softc_t * const sc); 137tulip_link_status_t tulip_media_link_monitor(tulip_softc_t * const sc); 138void tulip_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event); 139void tulip_media_select(tulip_softc_t * const sc); 140 141void tulip_21040_mediainfo_init(tulip_softc_t * const sc, tulip_media_t media); 142void tulip_21040_media_probe(tulip_softc_t * const sc); 143void tulip_21040_10baset_only_media_probe(tulip_softc_t * const sc); 144void tulip_21040_10baset_only_media_select(tulip_softc_t * const sc); 145void tulip_21040_auibnc_only_media_probe(tulip_softc_t * const sc); 146void tulip_21040_auibnc_only_media_select(tulip_softc_t * const sc); 147 148void tulip_21041_mediainfo_init(tulip_softc_t * const sc); 149void tulip_21041_media_probe(tulip_softc_t * const sc); 150void tulip_21041_media_poll(tulip_softc_t * const sc, const tulip_mediapoll_event_t event); 151 152tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc); 153unsigned tulip_mii_get_phyaddr(tulip_softc_t * const sc, unsigned offset); 154int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 155void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr); 156 157void tulip_2114x_media_preset(tulip_softc_t * const sc); 158 159void tulip_null_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event); 160 161void tulip_21140_mediainit(tulip_softc_t * const sc, tulip_media_info_t * const mip, 162 tulip_media_t const media, unsigned gpdata, unsigned cmdmode); 163void tulip_21140_evalboard_media_probe(tulip_softc_t * const sc); 164void tulip_21140_accton_media_probe(tulip_softc_t * const sc); 165void tulip_21140_smc9332_media_probe(tulip_softc_t * const sc); 166void tulip_21140_cogent_em100_media_probe(tulip_softc_t * const sc); 167void tulip_21140_znyx_zx34x_media_probe(tulip_softc_t * const sc); 168 169void tulip_2114x_media_probe(tulip_softc_t * const sc); 170 171void tulip_delay_300ns(tulip_softc_t * const sc); 172void tulip_srom_idle(tulip_softc_t * const sc); 173void tulip_srom_read(tulip_softc_t * const sc); 174void tulip_mii_writebits(tulip_softc_t * const sc, unsigned data, unsigned bits); 175void tulip_mii_turnaround(tulip_softc_t * const sc, unsigned cmd); 176unsigned tulip_mii_readbits(tulip_softc_t * const sc); 177unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno); 178void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, 179 unsigned data); 180 181void tulip_identify_dec_nic(tulip_softc_t * const sc); 182void tulip_identify_znyx_nic(tulip_softc_t * const sc); 183void tulip_identify_smc_nic(tulip_softc_t * const sc); 184void tulip_identify_cogent_nic(tulip_softc_t * const sc); 185void tulip_identify_accton_nic(tulip_softc_t * const sc); 186void tulip_identify_asante_nic(tulip_softc_t * const sc); 187void tulip_identify_compex_nic(tulip_softc_t * const sc); 188 189int tulip_srom_decode(tulip_softc_t * const sc); 190int tulip_read_macaddr(tulip_softc_t * const sc); 191void tulip_ifmedia_add(tulip_softc_t * const sc); 192int tulip_ifmedia_change(struct ifnet * const ifp); 193void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req); 194void tulip_addr_filter(tulip_softc_t * const sc); 195void tulip_reset(tulip_softc_t * const sc); 196void tulip_init(tulip_softc_t * const sc); 197void tulip_rx_intr(tulip_softc_t * const sc); 198int tulip_tx_intr(tulip_softc_t * const sc); 199void tulip_print_abnormal_interrupt(tulip_softc_t * const sc, u_int32_t csr); 200void tulip_intr_handler(tulip_softc_t * const sc, int *progress_p); 201int tulip_intr_shared(void *arg); 202int tulip_intr_normal(void *arg); 203struct mbuf *tulip_mbuf_compress(struct mbuf *m); 204struct mbuf *tulip_txput(tulip_softc_t * const sc, struct mbuf *m, int); 205void tulip_txput_setup(tulip_softc_t * const sc); 206int tulip_ifioctl(struct ifnet * ifp, u_long cmd, caddr_t data); 207void tulip_ifstart(struct ifnet *ifp); 208void tulip_ifwatchdog(struct ifnet *ifp); 209int tulip_busdma_allocmem(tulip_softc_t * const sc, size_t size, 210 bus_dmamap_t *map_p, tulip_desc_t **desc_p); 211int tulip_busdma_init(tulip_softc_t * const sc); 212void tulip_initcsrs(tulip_softc_t * const sc, bus_addr_t csr_base, size_t csr_size); 213void tulip_initring(tulip_softc_t * const sc, tulip_ringinfo_t * const ri, 214 tulip_desc_t *descs, int ndescs); 215 216bus_dmamap_t tulip_alloc_rxmap(tulip_softc_t *); 217void tulip_free_rxmap(tulip_softc_t *, bus_dmamap_t); 218bus_dmamap_t tulip_alloc_txmap(tulip_softc_t *); 219void tulip_free_txmap(tulip_softc_t *, bus_dmamap_t); 220 221void 222tulip_timeout_callback(void *arg) 223{ 224 tulip_softc_t * const sc = arg; 225 int s; 226 227 s = splnet(); 228 229 TULIP_PERFSTART(timeout) 230 231 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 232 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 233 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 234 235 TULIP_PERFEND(timeout); 236 splx(s); 237} 238 239void 240tulip_timeout(tulip_softc_t * const sc) 241{ 242 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 243 return; 244 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 245 timeout_add(&sc->tulip_stmo, (hz + TULIP_HZ / 2) / TULIP_HZ); 246} 247 248int 249tulip_txprobe(tulip_softc_t * const sc) 250{ 251 struct mbuf *m; 252 253 /* 254 * Before we are sure this is the right media we need 255 * to send a small packet to make sure there's carrier. 256 * Strangely, BNC and AUI will "see" receive data if 257 * either is connected so the transmit is the only way 258 * to verify the connectivity. 259 */ 260 MGETHDR(m, M_DONTWAIT, MT_DATA); 261 if (m == NULL) 262 return (0); 263 /* 264 * Construct a LLC TEST message which will point to ourselves. 265 */ 266 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 267 ETHER_ADDR_LEN); 268 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 269 ETHER_ADDR_LEN); 270 mtod(m, struct ether_header *)->ether_type = htons(3); 271 mtod(m, unsigned char *)[14] = 0; 272 mtod(m, unsigned char *)[15] = 0; 273 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 274 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 275 /* 276 * send it! 277 */ 278 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 279 sc->tulip_intrmask |= TULIP_STS_TXINTR; 280 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 281 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 282 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 283 if ((m = tulip_txput(sc, m, 1)) != NULL) 284 m_freem(m); 285 sc->tulip_probe.probe_txprobes++; 286 return (1); 287} 288 289void 290tulip_media_set(tulip_softc_t * const sc, tulip_media_t media) 291{ 292 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 293 294 if (mi == NULL) 295 return; 296 297 /* Reset the SIA first 298 */ 299 if (mi->mi_type == TULIP_MEDIAINFO_SIA || (sc->tulip_features & TULIP_HAVE_SIANWAY)) 300 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 301 302 /* Next, set full duplex if needed. 303 */ 304 if (sc->tulip_flags & TULIP_FULLDUPLEX) { 305#ifdef TULIP_DEBUG 306 if (TULIP_CSR_READ(sc, csr_command) & (TULIP_CMD_RXRUN|TULIP_CMD_TXRUN)) 307 printf(TULIP_PRINTF_FMT ": warning: board is running (FD).\n", TULIP_PRINTF_ARGS); 308 if ((TULIP_CSR_READ(sc, csr_command) & TULIP_CMD_FULLDUPLEX) == 0) 309 printf(TULIP_PRINTF_FMT ": setting full duplex.\n", TULIP_PRINTF_ARGS); 310#endif 311 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 312 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~(TULIP_CMD_RXRUN|TULIP_CMD_TXRUN)); 313 } 314 315 /* Now setup the media. 316 * 317 * If we are switching media, make sure we don't think there's 318 * any stale RX activity 319 */ 320 sc->tulip_flags &= ~TULIP_RXACT; 321 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 322 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 323 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 324 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 325 DELAY(50); 326 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 327 } else 328 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 329 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 330 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 331 /* 332 * If the cmdmode bits don't match the currently operating mode, 333 * set the cmdmode appropriately and reset the chip. 334 */ 335 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 336 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 337 sc->tulip_cmdmode |= mi->mi_cmdmode; 338 tulip_reset(sc); 339 } 340 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 341 DELAY(10); 342 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 343 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 344 /* 345 * If the cmdmode bits don't match the currently operating mode, 346 * set the cmdmode appropriately and reset the chip. 347 */ 348 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 349 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 350 sc->tulip_cmdmode |= mi->mi_cmdmode; 351 tulip_reset(sc); 352 } 353 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 354 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 355 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 356 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 357 int idx; 358 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 359 const u_int8_t *dp; 360 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 361 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 362 DELAY(10); 363 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 364 } 365 sc->tulip_phyaddr = mi->mi_phyaddr; 366 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 367 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 368 DELAY(10); 369 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 370 } 371 } else { 372 for (idx = 0; idx < mi->mi_reset_length; idx++) { 373 DELAY(10); 374 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 375 } 376 sc->tulip_phyaddr = mi->mi_phyaddr; 377 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 378 DELAY(10); 379 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 380 } 381 } 382 383 if (sc->tulip_features & TULIP_HAVE_SIANWAY) { 384 /* Set the SIA port into MII mode */ 385 TULIP_CSR_WRITE(sc, csr_sia_general, 1); 386 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, 0); 387 TULIP_CSR_WRITE(sc, csr_sia_status, 0); 388 } 389 390 if (sc->tulip_flags & TULIP_TRYNWAY) 391 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 392 else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 393 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 394 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 395 sc->tulip_flags &= ~TULIP_DIDNWAY; 396 if (TULIP_IS_MEDIA_FD(media)) 397 data |= PHYCTL_FULL_DUPLEX; 398 if (TULIP_IS_MEDIA_100MB(media)) 399 data |= PHYCTL_SELECT_100MB; 400 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 401 } 402 } 403} 404 405void 406tulip_linkup(tulip_softc_t * const sc, tulip_media_t media) 407{ 408 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 409 sc->tulip_flags |= TULIP_PRINTLINKUP; 410 sc->tulip_flags |= TULIP_LINKUP; 411 ifq_clr_oactive(&sc->tulip_if.if_snd); 412 if (sc->tulip_media != media) { 413#ifdef TULIP_DEBUG 414 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 415#endif 416 sc->tulip_media = media; 417 sc->tulip_flags |= TULIP_PRINTMEDIA; 418 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) 419 sc->tulip_flags |= TULIP_FULLDUPLEX; 420 else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) 421 sc->tulip_flags &= ~TULIP_FULLDUPLEX; 422 } 423 /* 424 * We could set probe_timeout to 0 but setting to 3000 puts this 425 * in one central place and the only matters is tulip_link is 426 * followed by a tulip_timeout. Therefore setting it should not 427 * result in aberrant behaviour. 428 */ 429 sc->tulip_probe_timeout = 3000; 430 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 431 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 432 if (sc->tulip_flags & TULIP_INRESET) 433 tulip_media_set(sc, sc->tulip_media); 434 else if (sc->tulip_probe_media != sc->tulip_media) { 435 /* 436 * No reason to change media if we have the right media. 437 */ 438 tulip_reset(sc); 439 } 440 tulip_init(sc); 441} 442 443void 444tulip_media_print(tulip_softc_t * const sc) 445{ 446 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 447 return; 448 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 449#ifdef TULIP_DEBUG 450 printf(TULIP_PRINTF_FMT ": enabling %s port\n", 451 TULIP_PRINTF_ARGS, 452 tulip_mediums[sc->tulip_media]); 453#endif 454 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 455 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 456#ifdef TULIP_DEBUG 457 printf(TULIP_PRINTF_FMT ": link up\n", TULIP_PRINTF_ARGS); 458#endif 459 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 460 } 461} 462 463tulip_link_status_t 464tulip_media_link_monitor(tulip_softc_t * const sc) 465{ 466 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 467 tulip_link_status_t linkup = TULIP_LINK_DOWN; 468 469 if (mi == NULL) { 470#if defined(TULIP_DEBUG) 471 printf("tulip_media_link_monitor: %s: botch at line %d\n", 472 tulip_mediums[sc->tulip_media],__LINE__); 473#endif 474 return (TULIP_LINK_UNKNOWN); 475 } 476 477 478 /* 479 * Have we seen some packets? If so, the link must be good. 480 */ 481 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 482 sc->tulip_flags &= ~TULIP_RXACT; 483 sc->tulip_probe_timeout = 3000; 484 return (TULIP_LINK_UP); 485 } 486 487 sc->tulip_flags &= ~TULIP_RXACT; 488 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 489 u_int32_t status; 490 /* 491 * Read the PHY status register. 492 */ 493 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS) 494 | tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 495 if (status & PHYSTS_AUTONEG_DONE) { 496 /* 497 * If the PHY has completed autonegotiation, see the if the 498 * remote systems abilities have changed. If so, upgrade or 499 * downgrade as appropriate. 500 */ 501 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 502 abilities = (abilities << 6) & status; 503 if (abilities != sc->tulip_abilities) { 504#if defined(TULIP_DEBUG) 505 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 506 TULIP_PRINTF_ARGS, sc->tulip_phyaddr, 507 sc->tulip_abilities, abilities); 508#endif 509 if (tulip_mii_map_abilities(sc, abilities)) { 510 tulip_linkup(sc, sc->tulip_probe_media); 511 return (TULIP_LINK_UP); 512 } 513 /* 514 * if we had selected media because of autonegotiation, 515 * we need to probe for the new media. 516 */ 517 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 518 if (sc->tulip_flags & TULIP_DIDNWAY) 519 return (TULIP_LINK_DOWN); 520 } 521 } 522 /* 523 * The link is now up. If was down, say its back up. 524 */ 525 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 526 linkup = TULIP_LINK_UP; 527 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 528 /* 529 * No activity sensor? Assume all's well. 530 */ 531 if (mi->mi_actmask == 0) 532 return (TULIP_LINK_UNKNOWN); 533 /* 534 * Does the activity data match? 535 */ 536 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 537 linkup = TULIP_LINK_UP; 538 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 539 /* 540 * Assume non TP ok for now. 541 */ 542 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 543 return (TULIP_LINK_UNKNOWN); 544 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 545 linkup = TULIP_LINK_UP; 546#if defined(TULIP_DEBUG) 547 if (sc->tulip_probe_timeout <= 0) 548 printf(TULIP_PRINTF_FMT ": sia status = 0x%08x\n", TULIP_PRINTF_ARGS, TULIP_CSR_READ(sc, csr_sia_status)); 549#endif 550 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) 551 return (TULIP_LINK_UNKNOWN); 552 /* 553 * We will wait for 3 seconds until the link goes into suspect mode. 554 */ 555 if (sc->tulip_flags & TULIP_LINKUP) { 556 if (linkup == TULIP_LINK_UP) 557 sc->tulip_probe_timeout = 3000; 558 if (sc->tulip_probe_timeout > 0) 559 return (TULIP_LINK_UP); 560 561 sc->tulip_flags &= ~TULIP_LINKUP; 562 } 563#if defined(TULIP_DEBUG) 564 sc->tulip_dbg.dbg_link_downed++; 565#endif 566 return (TULIP_LINK_DOWN); 567} 568 569void 570tulip_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event) 571{ 572#if defined(TULIP_DEBUG) 573 sc->tulip_dbg.dbg_events[event]++; 574#endif 575 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 576 && event == TULIP_MEDIAPOLL_TIMER) { 577 switch (tulip_media_link_monitor(sc)) { 578 case TULIP_LINK_DOWN: { 579 /* 580 * Link Monitor failed. Probe for new media. 581 */ 582 event = TULIP_MEDIAPOLL_LINKFAIL; 583 break; 584 } 585 case TULIP_LINK_UP: { 586 /* 587 * Check again soon. 588 */ 589 tulip_timeout(sc); 590 return; 591 } 592 case TULIP_LINK_UNKNOWN: { 593 /* 594 * We can't tell so don't bother. 595 */ 596 return; 597 } 598 } 599 } 600 601 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 602 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 603 if (TULIP_DO_AUTOSENSE(sc)) { 604#if defined(TULIP_DEBUG) 605 sc->tulip_dbg.dbg_link_failures++; 606#endif 607 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 608 if (sc->tulip_if.if_flags & IFF_UP) 609 tulip_reset(sc); /* restart probe */ 610 } 611 return; 612 } 613#if defined(TULIP_DEBUG) 614 sc->tulip_dbg.dbg_link_pollintrs++; 615#endif 616 } 617 618 if (event == TULIP_MEDIAPOLL_START) { 619 ifq_set_oactive(&sc->tulip_if.if_snd); 620 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 621 return; 622 sc->tulip_probe_mediamask = 0; 623 sc->tulip_probe_passes = 0; 624#if defined(TULIP_DEBUG) 625 sc->tulip_dbg.dbg_media_probes++; 626#endif 627 /* 628 * If the SROM contained an explicit media to use, use it. 629 */ 630 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 631 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 632 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 633 /* 634 * connidx is defaulted to a media_unknown type. 635 */ 636 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 637 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 638 tulip_linkup(sc, sc->tulip_probe_media); 639 tulip_timeout(sc); 640 return; 641 } 642 643 if (sc->tulip_features & TULIP_HAVE_GPR) { 644 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 645 sc->tulip_probe_timeout = 2000; 646 } else { 647 sc->tulip_probe_media = TULIP_MEDIA_MAX; 648 sc->tulip_probe_timeout = 0; 649 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 650 } 651 } 652 653 /* 654 * Ignore txprobe failures or spurious callbacks. 655 */ 656 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 657 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 658 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 659 return; 660 } 661 662 /* 663 * If we really transmitted a packet, then that's the media we'll use. 664 */ 665 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 666 if (event == TULIP_MEDIAPOLL_LINKPASS) { 667 /* XXX Check media status just to be sure */ 668 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 669#if defined(TULIP_DEBUG) 670 } else { 671 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 672#endif 673 } 674 tulip_linkup(sc, sc->tulip_probe_media); 675 tulip_timeout(sc); 676 return; 677 } 678 679 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 680 /* 681 * Brute force. We cycle through each of the media types 682 * and try to transmit a packet. 683 */ 684 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 685 sc->tulip_probe_media = TULIP_MEDIA_MAX; 686 sc->tulip_probe_timeout = 0; 687 tulip_timeout(sc); 688 return; 689 } 690 691 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 692 && (sc->tulip_features & TULIP_HAVE_MII)) { 693 tulip_media_t old_media = sc->tulip_probe_media; 694 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 695 switch (sc->tulip_probe_state) { 696 case TULIP_PROBE_FAILED: 697 case TULIP_PROBE_MEDIATEST: { 698 /* 699 * Try the next media. 700 */ 701 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 702 sc->tulip_probe_timeout = 0; 703 break; 704 } 705 case TULIP_PROBE_PHYAUTONEG: { 706 return; 707 } 708 case TULIP_PROBE_INACTIVE: { 709 /* 710 * Only probe if we autonegotiated a media that hasn't failed. 711 */ 712 sc->tulip_probe_timeout = 0; 713 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 714 sc->tulip_probe_media = old_media; 715 break; 716 } 717 tulip_linkup(sc, sc->tulip_probe_media); 718 tulip_timeout(sc); 719 return; 720 } 721 default: { 722#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 723 printf("tulip_media_poll: botch at line %d\n", __LINE__); 724#endif 725 break; 726 } 727 } 728 } 729 730 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 731#if defined(TULIP_DEBUG) 732 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 733#endif 734 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 735 return; 736 } 737 738 /* 739 * Switch to another media if we tried this one enough. 740 */ 741 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 742#if defined(TULIP_DEBUG) 743 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 744 printf(TULIP_PRINTF_FMT ": poll media unknown!\n", 745 TULIP_PRINTF_ARGS); 746 sc->tulip_probe_media = TULIP_MEDIA_MAX; 747 } 748#endif 749 /* 750 * Find the next media type to check for. Full Duplex 751 * types are not allowed. 752 */ 753 do { 754 sc->tulip_probe_media -= 1; 755 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 756 if (++sc->tulip_probe_passes == 3) { 757 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 758 sc->tulip_if.if_flags &= ~IFF_RUNNING; 759 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 760 return; 761 } 762 } 763 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 764 sc->tulip_probe_mediamask = 0; 765 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 766 } 767 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 768 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 769 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 770 771#if defined(TULIP_DEBUG) 772 printf(TULIP_PRINTF_FMT ": %s: probing %s\n", TULIP_PRINTF_ARGS, 773 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 774 tulip_mediums[sc->tulip_probe_media]); 775#endif 776 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 777 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 778 sc->tulip_probe.probe_txprobes = 0; 779 tulip_reset(sc); 780 tulip_media_set(sc, sc->tulip_probe_media); 781 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 782 } 783 tulip_timeout(sc); 784 785 /* 786 * If this is hanging off a phy, we know are doing NWAY and we have 787 * forced the phy to a specific speed. Wait for link up before 788 * before sending a packet. 789 */ 790 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 791 case TULIP_MEDIAINFO_MII: { 792 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 793 return; 794 break; 795 } 796 case TULIP_MEDIAINFO_SIA: { 797 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 798 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 799 return; 800 tulip_linkup(sc, sc->tulip_probe_media); 801 return; 802 } 803 break; 804 } 805 case TULIP_MEDIAINFO_RESET: 806 case TULIP_MEDIAINFO_SYM: 807 case TULIP_MEDIAINFO_NONE: 808 case TULIP_MEDIAINFO_GPR: { 809 break; 810 } 811 } 812 /* 813 * Try to send a packet. 814 */ 815 tulip_txprobe(sc); 816} 817 818void 819tulip_media_select(tulip_softc_t * const sc) 820{ 821 if (sc->tulip_features & TULIP_HAVE_GPR) { 822 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 823 DELAY(10); 824 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 825 } 826 /* 827 * If this board has no media, just return 828 */ 829 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 830 return; 831 832 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 833 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 834 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 835 } else 836 tulip_media_set(sc, sc->tulip_media); 837} 838 839void 840tulip_21040_mediainfo_init(tulip_softc_t * const sc, tulip_media_t media) 841{ 842 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 843 |TULIP_CMD_BACKOFFCTR; 844 sc->tulip_if.if_baudrate = 10000000; 845 846 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 847 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 848 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 849 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 850 } 851 852 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) 853 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 854 855 if (media == TULIP_MEDIA_UNKNOWN) 856 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 857} 858 859void 860tulip_21040_media_probe(tulip_softc_t * const sc) 861{ 862 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 863} 864 865void 866tulip_21040_10baset_only_media_probe(tulip_softc_t * const sc) 867{ 868 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 869 tulip_media_set(sc, TULIP_MEDIA_10BASET); 870 sc->tulip_media = TULIP_MEDIA_10BASET; 871} 872 873void 874tulip_21040_10baset_only_media_select(tulip_softc_t * const sc) 875{ 876 sc->tulip_flags |= TULIP_LINKUP; 877 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 878 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 879 sc->tulip_flags &= ~TULIP_SQETEST; 880 } else { 881 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 882 sc->tulip_flags |= TULIP_SQETEST; 883 } 884 tulip_media_set(sc, sc->tulip_media); 885} 886 887void 888tulip_21040_auibnc_only_media_probe(tulip_softc_t * const sc) 889{ 890 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 891 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 892 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 893 sc->tulip_media = TULIP_MEDIA_AUIBNC; 894} 895 896void 897tulip_21040_auibnc_only_media_select(tulip_softc_t * const sc) 898{ 899 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 900 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 901} 902 903static const tulip_boardsw_t tulip_21040_boardsw = { 904 TULIP_21040_GENERIC, 905 tulip_21040_media_probe, 906 tulip_media_select, 907 tulip_media_poll, 908}; 909 910static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 911 TULIP_21040_GENERIC, 912 tulip_21040_10baset_only_media_probe, 913 tulip_21040_10baset_only_media_select, 914 NULL, 915}; 916 917static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 918 TULIP_21040_GENERIC, 919 tulip_21040_auibnc_only_media_probe, 920 tulip_21040_auibnc_only_media_select, 921 NULL, 922}; 923 924void 925tulip_21041_mediainfo_init(tulip_softc_t * const sc) 926{ 927 tulip_media_info_t * const mi = sc->tulip_mediainfo; 928 929 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 930 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 931 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 932 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 933} 934 935void 936tulip_21041_media_probe(tulip_softc_t * const sc) 937{ 938 sc->tulip_if.if_baudrate = 10000000; 939 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 940 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 941 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 942 tulip_21041_mediainfo_init(sc); 943} 944 945void 946tulip_21041_media_poll(tulip_softc_t * const sc, const tulip_mediapoll_event_t event) 947{ 948 u_int32_t sia_status; 949 950#if defined(TULIP_DEBUG) 951 sc->tulip_dbg.dbg_events[event]++; 952#endif 953 954 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 955 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 956 || !TULIP_DO_AUTOSENSE(sc)) 957 return; 958 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 959 tulip_reset(sc); /* start probe */ 960 return; 961 } 962 963 /* 964 * If we've been been asked to start a poll or link change interrupt 965 * restart the probe (and reset the tulip to a known state). 966 */ 967 if (event == TULIP_MEDIAPOLL_START) { 968 ifq_set_oactive(&sc->tulip_if.if_snd); 969 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 970 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 971 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 972 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 973 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 974 tulip_media_set(sc, TULIP_MEDIA_10BASET); 975 tulip_timeout(sc); 976 return; 977 } 978 979 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 980 return; 981 982 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 983#if defined(TULIP_DEBUG) 984 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 985#endif 986 tulip_linkup(sc, sc->tulip_probe_media); 987 return; 988 } 989 990 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 991 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 992 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 993 if (sc->tulip_revinfo >= 0x20) { 994 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 995 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 996 } 997 /* 998 * If the link has passed LinkPass, 10baseT is the 999 * proper media to use. 1000 */ 1001 tulip_linkup(sc, sc->tulip_probe_media); 1002 return; 1003 } 1004 1005 /* 1006 * wait for up to 2.4 seconds for the link to reach pass state. 1007 * Only then start scanning the other media for activity. 1008 * choose media with receive activity over those without. 1009 */ 1010 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1011 if (event != TULIP_MEDIAPOLL_TIMER) 1012 return; 1013 if (sc->tulip_probe_timeout > 0 1014 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1015 tulip_timeout(sc); 1016 return; 1017 } 1018 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1019 sc->tulip_flags |= TULIP_WANTRXACT; 1020 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) 1021 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1022 else 1023 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1024 tulip_media_set(sc, sc->tulip_probe_media); 1025 tulip_timeout(sc); 1026 return; 1027 } 1028 1029 /* 1030 * If we failed, clear the txprobe active flag. 1031 */ 1032 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1033 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1034 1035 1036 if (event == TULIP_MEDIAPOLL_TIMER) { 1037 /* 1038 * If we've received something, then that's our link! 1039 */ 1040 if (sc->tulip_flags & TULIP_RXACT) { 1041 tulip_linkup(sc, sc->tulip_probe_media); 1042 return; 1043 } 1044 /* 1045 * if no txprobe active 1046 */ 1047 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1048 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1049 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1050 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1051 tulip_txprobe(sc); 1052 tulip_timeout(sc); 1053 return; 1054 } 1055 /* 1056 * Take 2 passes through before deciding to not 1057 * wait for receive activity. Then take another 1058 * two passes before spitting out a warning. 1059 */ 1060 if (sc->tulip_probe_timeout <= 0) { 1061 if (sc->tulip_flags & TULIP_WANTRXACT) { 1062 sc->tulip_flags &= ~TULIP_WANTRXACT; 1063 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1064 } else { 1065 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1066 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1067 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1068 return; 1069 } 1070 } 1071 } 1072 } 1073 1074 /* 1075 * Since this media failed to probe, try the other one. 1076 */ 1077 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1078 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) 1079 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1080 else 1081 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1082 tulip_media_set(sc, sc->tulip_probe_media); 1083 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1084 tulip_timeout(sc); 1085} 1086 1087static const tulip_boardsw_t tulip_21041_boardsw = { 1088 TULIP_21041_GENERIC, 1089 tulip_21041_media_probe, 1090 tulip_media_select, 1091 tulip_21041_media_poll 1092}; 1093 1094static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1095 { 0x20005c00, 0, /* 08-00-17 */ 1096 { 1097 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1098 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1099 }, 1100#if defined(TULIP_DEBUG) 1101 "NS DP83840", 1102#endif 1103 }, 1104 { 0x0281F400, 0, /* 00-A0-7D */ 1105 { 1106 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1107 { 0 }, /* 100TX */ 1108 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1109 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1110 }, 1111#if defined(TULIP_DEBUG) 1112 "Seeq 80C240" 1113#endif 1114 }, 1115 { 0x0281F400, 3, /* 00-A0-7D */ 1116 { 1117 { 0x12, 0x0080, 0x0000 }, /* 10T */ 1118 { 0x12, 0x0080, 0x0080 }, /* 100TX */ 1119 { 0 }, /* 100T4 */ 1120 { 0x12, 0x0040, 0x0040 }, /* FULL_DUPLEX */ 1121 }, 1122#if defined(TULIP_DEBUG) 1123 "Seeq 80225" 1124#endif 1125 }, 1126 { 0x0281F400, 0, /* 00-A0-BE */ 1127 { 1128 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1129 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1130 { 0 }, /* 100T4 */ 1131 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1132 }, 1133#if defined(TULIP_DEBUG) 1134 "ICS 1890" 1135#endif 1136 }, 1137 { 0x78100000, 0, /* 00-A0-CC */ 1138 { 1139 { 0x14, 0x0800, 0x0000 }, /* 10TX */ 1140 { 0x14, 0x0800, 0x0800 }, /* 100TX */ 1141 { 0 }, /* 100T4 */ 1142 { 0x14, 0x1000, 0x1000 }, /* FULL_DUPLEX */ 1143 }, 1144#if defined(TULIP_DEBUG) 1145 "LEVEL1 LXT970" 1146#endif 1147 }, 1148 { 0 } 1149}; 1150 1151tulip_media_t 1152tulip_mii_phy_readspecific(tulip_softc_t * const sc) 1153{ 1154 const tulip_phy_attr_t *attr; 1155 u_int16_t data; 1156 u_int32_t id; 1157 unsigned idx = 0; 1158 static const tulip_media_t table[] = { 1159 TULIP_MEDIA_UNKNOWN, 1160 TULIP_MEDIA_10BASET, 1161 TULIP_MEDIA_100BASETX, 1162 TULIP_MEDIA_100BASET4, 1163 TULIP_MEDIA_UNKNOWN, 1164 TULIP_MEDIA_10BASET_FD, 1165 TULIP_MEDIA_100BASETX_FD, 1166 TULIP_MEDIA_UNKNOWN 1167 }; 1168 1169 /* 1170 * Don't read phy specific registers if link is not up. 1171 */ 1172 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS) 1173 | tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1174 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1175 return (TULIP_MEDIA_UNKNOWN); 1176 1177 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1178 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1179 for (attr = tulip_mii_phy_attrlist;; attr++) { 1180 if (attr->attr_id == 0) 1181 return (TULIP_MEDIA_UNKNOWN); 1182 if ((id & ~0x0F) == attr->attr_id) 1183 break; 1184 } 1185 1186 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1187 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1188 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1189 if ((data & pm->pm_mask) == pm->pm_value) 1190 idx = 2; 1191 } 1192 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1193 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1194 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1195 if ((data & pm->pm_mask) == pm->pm_value) 1196 idx = 3; 1197 } 1198 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1199 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1200 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1201 if ((data & pm->pm_mask) == pm->pm_value) 1202 idx = 1; 1203 } 1204 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1205 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1206 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1207 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1208 } 1209 return (table[idx]); 1210} 1211 1212unsigned 1213tulip_mii_get_phyaddr(tulip_softc_t * const sc, unsigned offset) 1214{ 1215 unsigned phyaddr; 1216 1217 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1218 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1219 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1220 continue; 1221 if (offset == 0) 1222 return (phyaddr); 1223 offset--; 1224 } 1225 if (offset == 0) { 1226 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1227 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1228 return (TULIP_MII_NOPHY); 1229 return (0); 1230 } 1231 return (TULIP_MII_NOPHY); 1232} 1233 1234int 1235tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities) 1236{ 1237 sc->tulip_abilities = abilities; 1238 if (abilities & PHYSTS_100BASETX_FD) 1239 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1240 else if (abilities & PHYSTS_100BASET4) 1241 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1242 else if (abilities & PHYSTS_100BASETX) 1243 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1244 else if (abilities & PHYSTS_10BASET_FD) 1245 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1246 else if (abilities & PHYSTS_10BASET) 1247 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1248 else { 1249 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1250 return (0); 1251 } 1252 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1253 return (1); 1254} 1255 1256void 1257tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr) 1258{ 1259 switch (sc->tulip_probe_state) { 1260 case TULIP_PROBE_MEDIATEST: 1261 case TULIP_PROBE_INACTIVE: { 1262 sc->tulip_flags |= TULIP_DIDNWAY; 1263 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1264 sc->tulip_probe_timeout = 3000; 1265 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1266 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1267 /* FALLTHROUGH */ 1268 } 1269 case TULIP_PROBE_PHYRESET: { 1270 u_int32_t status; 1271 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1272 if (data & PHYCTL_RESET) { 1273 if (sc->tulip_probe_timeout > 0) { 1274 tulip_timeout(sc); 1275 return; 1276 } 1277#ifdef TULIP_DEBUG 1278 printf(TULIP_PRINTF_FMT "(phy%d): error: reset of PHY never completed!\n", 1279 TULIP_PRINTF_ARGS, phyaddr); 1280#endif 1281 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1282 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1283 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1284 return; 1285 } 1286 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS) 1287 | tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1288 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1289#if defined(TULIP_DEBUG) 1290 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation disabled\n", 1291 TULIP_PRINTF_ARGS, phyaddr); 1292#endif 1293 sc->tulip_flags &= ~TULIP_DIDNWAY; 1294 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1295 return; 1296 } 1297 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1298 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1299 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1300 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1301#if defined(TULIP_DEBUG) 1302 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1303 printf(TULIP_PRINTF_FMT "(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1304 TULIP_PRINTF_ARGS, phyaddr, data); 1305 else 1306 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation restarted: 0x%04x (ad=0x%04x)\n", 1307 TULIP_PRINTF_ARGS, phyaddr, data, 1308 tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT)); 1309 sc->tulip_dbg.dbg_nway_starts++; 1310#endif 1311 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1312 sc->tulip_probe_timeout = 3000; 1313 /* FALLTHROUGH */ 1314 } 1315 case TULIP_PROBE_PHYAUTONEG: { 1316 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS) 1317 | tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1318 u_int32_t data; 1319 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1320 if (sc->tulip_probe_timeout > 0) { 1321 tulip_timeout(sc); 1322 return; 1323 } 1324#if defined(TULIP_DEBUG) 1325 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1326 TULIP_PRINTF_ARGS, phyaddr, status, 1327 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1328#endif 1329 sc->tulip_flags &= ~TULIP_DIDNWAY; 1330 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1331 return; 1332 } 1333 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES) 1334 | tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1335#if defined(TULIP_DEBUG) 1336 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation complete: 0x%04x (sts=0x%04x)\n", 1337 TULIP_PRINTF_ARGS, phyaddr, data, status); 1338#endif 1339 data = (data << 6) & status; 1340 if (!tulip_mii_map_abilities(sc, data)) 1341 sc->tulip_flags &= ~TULIP_DIDNWAY; 1342 return; 1343 } 1344 default: { 1345#if defined(DIAGNOSTIC) 1346 printf("tulip_media_poll: botch at line %d\n", __LINE__); 1347#endif 1348 break; 1349 } 1350 } 1351#if defined(TULIP_DEBUG) 1352 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation failure: state = %d\n", 1353 TULIP_PRINTF_ARGS, phyaddr, sc->tulip_probe_state); 1354 sc->tulip_dbg.dbg_nway_failures++; 1355#endif 1356} 1357 1358void 1359tulip_2114x_media_preset(tulip_softc_t * const sc) 1360{ 1361 const tulip_media_info_t *mi = NULL; 1362 tulip_media_t media = sc->tulip_media; 1363 1364 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1365 media = sc->tulip_media; 1366 else 1367 media = sc->tulip_probe_media; 1368 1369 sc->tulip_cmdmode &= ~(TULIP_CMD_PORTSELECT|TULIP_CMD_NOHEARTBEAT 1370 |TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1371 sc->tulip_flags &= ~(TULIP_SQETEST|TULIP_FULLDUPLEX); 1372 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1373#if defined(TULIP_DEBUG) 1374 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1375#endif 1376 mi = sc->tulip_mediums[media]; 1377 if (mi->mi_type == TULIP_MEDIAINFO_MII) 1378 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1379 else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1380 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1381 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1382 sc->tulip_cmdmode |= mi->mi_cmdmode; 1383 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) 1384 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1385#if defined(TULIP_DEBUG) 1386 } else { 1387 printf(TULIP_PRINTF_FMT ": preset: bad media %d!\n", 1388 TULIP_PRINTF_ARGS, media); 1389 } 1390#endif 1391 } 1392 switch (media) { 1393 case TULIP_MEDIA_BNC: 1394 case TULIP_MEDIA_AUI: 1395 case TULIP_MEDIA_10BASET: { 1396 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1397 sc->tulip_if.if_baudrate = 10000000; 1398 sc->tulip_flags |= TULIP_SQETEST; 1399 break; 1400 } 1401 case TULIP_MEDIA_10BASET_FD: { 1402 sc->tulip_flags |= TULIP_FULLDUPLEX; 1403 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX; 1404 sc->tulip_if.if_baudrate = 10000000; 1405 break; 1406 } 1407 case TULIP_MEDIA_100BASEFX: 1408 case TULIP_MEDIA_100BASET4: 1409 case TULIP_MEDIA_100BASETX: { 1410 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1411 sc->tulip_if.if_baudrate = 100000000; 1412 if (mi->mi_type == TULIP_MEDIAINFO_SYM 1413 || mi->mi_type == TULIP_MEDIAINFO_MII) { 1414 sc->tulip_cmdmode |= TULIP_CMD_NOHEARTBEAT; 1415 } 1416 break; 1417 } 1418 case TULIP_MEDIA_100BASEFX_FD: 1419 case TULIP_MEDIA_100BASETX_FD: { 1420 sc->tulip_flags |= TULIP_FULLDUPLEX; 1421 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT|TULIP_CMD_FULLDUPLEX; 1422 sc->tulip_if.if_baudrate = 100000000; 1423 if (mi->mi_type == TULIP_MEDIAINFO_SYM 1424 || mi->mi_type == TULIP_MEDIAINFO_MII) { 1425 sc->tulip_cmdmode |= TULIP_CMD_NOHEARTBEAT; 1426 } 1427 break; 1428 } 1429 default: { 1430 break; 1431 } 1432 } 1433 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1434} 1435 1436/* 1437 ******************************************************************** 1438 * Start of 21140/21140A support which does not use the MII interface 1439 */ 1440 1441void 1442tulip_null_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event) 1443{ 1444#if defined(TULIP_DEBUG) 1445 sc->tulip_dbg.dbg_events[event]++; 1446#endif 1447#if defined(DIAGNOSTIC) 1448 printf(TULIP_PRINTF_FMT ": botch(media_poll) at line %d\n", 1449 TULIP_PRINTF_ARGS, __LINE__); 1450#endif 1451} 1452 1453void 1454tulip_21140_mediainit(tulip_softc_t * const sc, tulip_media_info_t * const mip, 1455 tulip_media_t const media, unsigned gpdata, unsigned cmdmode) 1456{ 1457 sc->tulip_mediums[media] = mip; 1458 mip->mi_type = TULIP_MEDIAINFO_GPR; 1459 mip->mi_cmdmode = cmdmode; 1460 mip->mi_gpdata = gpdata; 1461} 1462 1463void 1464tulip_21140_evalboard_media_probe(tulip_softc_t * const sc) 1465{ 1466 tulip_media_info_t *mip = sc->tulip_mediainfo; 1467 1468 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1469 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1470 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1471 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1472 TULIP_CSR_WRITE(sc, csr_command, 1473 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1474 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1475 TULIP_CSR_WRITE(sc, csr_command, 1476 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1477 DELAY(1000000); 1478 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) 1479 sc->tulip_media = TULIP_MEDIA_10BASET; 1480 else 1481 sc->tulip_media = TULIP_MEDIA_100BASETX; 1482 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1483 TULIP_GP_EB_INIT, 1484 TULIP_CMD_TXTHRSHLDCTL); 1485 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1486 TULIP_GP_EB_INIT, 1487 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1488 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1489 TULIP_GP_EB_INIT, 1490 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1491 |TULIP_CMD_SCRAMBLER); 1492 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1493 TULIP_GP_EB_INIT, 1494 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1495 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1496} 1497 1498static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1499 TULIP_21140_DEC_EB, 1500 tulip_21140_evalboard_media_probe, 1501 tulip_media_select, 1502 tulip_null_media_poll, 1503 tulip_2114x_media_preset, 1504}; 1505 1506void 1507tulip_21140_accton_media_probe(tulip_softc_t * const sc) 1508{ 1509 tulip_media_info_t *mip = sc->tulip_mediainfo; 1510 unsigned gpdata; 1511 1512 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1513 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1514 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1515 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1516 TULIP_CSR_WRITE(sc, csr_command, 1517 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1518 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1519 TULIP_CSR_WRITE(sc, csr_command, 1520 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1521 DELAY(1000000); 1522 gpdata = TULIP_CSR_READ(sc, csr_gp); 1523 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) 1524 sc->tulip_media = TULIP_MEDIA_10BASET; 1525 else { 1526 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) 1527 sc->tulip_media = TULIP_MEDIA_BNC; 1528 else 1529 sc->tulip_media = TULIP_MEDIA_100BASETX; 1530 } 1531 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1532 TULIP_GP_EN1207_BNC_INIT, 1533 TULIP_CMD_TXTHRSHLDCTL); 1534 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1535 TULIP_GP_EN1207_UTP_INIT, 1536 TULIP_CMD_TXTHRSHLDCTL); 1537 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1538 TULIP_GP_EN1207_UTP_INIT, 1539 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1540 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1541 TULIP_GP_EN1207_100_INIT, 1542 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1543 |TULIP_CMD_SCRAMBLER); 1544 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1545 TULIP_GP_EN1207_100_INIT, 1546 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1547 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1548} 1549 1550static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1551 TULIP_21140_EN1207, 1552 tulip_21140_accton_media_probe, 1553 tulip_media_select, 1554 tulip_null_media_poll, 1555 tulip_2114x_media_preset, 1556}; 1557 1558void 1559tulip_21140_smc9332_media_probe(tulip_softc_t * const sc) 1560{ 1561 tulip_media_info_t *mip = sc->tulip_mediainfo; 1562 int idx, cnt = 0; 1563 1564 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1565 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1566 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1567 33MHz that comes to two microseconds but wait a 1568 bit longer anyways) */ 1569 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1570 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1571 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1572 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1573 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1574 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1575 DELAY(200000); 1576 for (idx = 1000; idx > 0; idx--) { 1577 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1578 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1579 if (++cnt > 100) 1580 break; 1581 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) 1582 break; 1583 else 1584 cnt = 0; 1585 DELAY(1000); 1586 } 1587 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1588 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1589 TULIP_GP_SMC_9332_INIT, 1590 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1591 |TULIP_CMD_SCRAMBLER); 1592 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1593 TULIP_GP_SMC_9332_INIT, 1594 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1595 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1596 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1597 TULIP_GP_SMC_9332_INIT, 1598 TULIP_CMD_TXTHRSHLDCTL); 1599 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1600 TULIP_GP_SMC_9332_INIT, 1601 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1602} 1603 1604static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1605 TULIP_21140_SMC_9332, 1606 tulip_21140_smc9332_media_probe, 1607 tulip_media_select, 1608 tulip_null_media_poll, 1609 tulip_2114x_media_preset, 1610}; 1611 1612void 1613tulip_21140_cogent_em100_media_probe(tulip_softc_t * const sc) 1614{ 1615 tulip_media_info_t *mip = sc->tulip_mediainfo; 1616 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1617 1618 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1619 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1620 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1621 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1622 1623 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1624 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1625 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1626 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1627 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1628 1629 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1630 TULIP_GP_EM100_INIT, 1631 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1632 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1633 TULIP_GP_EM100_INIT, 1634 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1635 |TULIP_CMD_FULLDUPLEX); 1636 } else { 1637 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1638 sc->tulip_media = TULIP_MEDIA_100BASETX; 1639 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1640 TULIP_GP_EM100_INIT, 1641 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1642 |TULIP_CMD_SCRAMBLER); 1643 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1644 TULIP_GP_EM100_INIT, 1645 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1646 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1647 } 1648} 1649 1650static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1651 TULIP_21140_COGENT_EM100, 1652 tulip_21140_cogent_em100_media_probe, 1653 tulip_media_select, 1654 tulip_null_media_poll, 1655 tulip_2114x_media_preset 1656}; 1657 1658void 1659tulip_21140_znyx_zx34x_media_probe(tulip_softc_t * const sc) 1660{ 1661 tulip_media_info_t *mip = sc->tulip_mediainfo; 1662 int cnt10 = 0, cnt100 = 0, idx; 1663 1664 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1665 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1666 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1667 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1668 TULIP_CSR_WRITE(sc, csr_command, 1669 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1670 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1671 TULIP_CSR_WRITE(sc, csr_command, 1672 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1673 1674 DELAY(200000); 1675 for (idx = 1000; idx > 0; idx--) { 1676 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1677 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)) { 1678 if (++cnt100 > 100) 1679 break; 1680 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1681 if (++cnt10 > 100) 1682 break; 1683 } else { 1684 cnt10 = 0; 1685 cnt100 = 0; 1686 } 1687 DELAY(1000); 1688 } 1689 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1690 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1691 TULIP_GP_ZX34X_INIT, 1692 TULIP_CMD_TXTHRSHLDCTL); 1693 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1694 TULIP_GP_ZX34X_INIT, 1695 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1696 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1697 TULIP_GP_ZX34X_INIT, 1698 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1699 |TULIP_CMD_SCRAMBLER); 1700 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1701 TULIP_GP_ZX34X_INIT, 1702 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1703 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1704} 1705 1706static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1707 TULIP_21140_ZNYX_ZX34X, 1708 tulip_21140_znyx_zx34x_media_probe, 1709 tulip_media_select, 1710 tulip_null_media_poll, 1711 tulip_2114x_media_preset, 1712}; 1713 1714void 1715tulip_2114x_media_probe(tulip_softc_t * const sc) 1716{ 1717 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1718 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1719} 1720 1721static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1722 TULIP_21140_ISV, 1723 tulip_2114x_media_probe, 1724 tulip_media_select, 1725 tulip_media_poll, 1726 tulip_2114x_media_preset, 1727}; 1728 1729/* 1730 * ******** END of chip-specific handlers. *********** 1731 */ 1732 1733/* 1734 * Code the read the SROM and MII bit streams (I2C) 1735 */ 1736void 1737tulip_delay_300ns(tulip_softc_t * const sc) 1738{ 1739 int idx; 1740 for (idx = (300 / 33) + 1; idx > 0; idx--) 1741 (void) TULIP_CSR_READ(sc, csr_busmode); 1742} 1743 1744void 1745tulip_srom_idle(tulip_softc_t * const sc) 1746{ 1747 unsigned bit, csr; 1748 1749 csr = SROMSEL ; EMIT; 1750 csr = SROMSEL | SROMRD; EMIT; 1751 csr ^= SROMCS; EMIT; 1752 csr ^= SROMCLKON; EMIT; 1753 1754 /* 1755 * Write 25 cycles of 0 which will force the SROM to be idle. 1756 */ 1757 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1758 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1759 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1760 } 1761 csr ^= SROMCLKOFF; EMIT; 1762 csr ^= SROMCS; EMIT; 1763 csr = 0; EMIT; 1764} 1765 1766void 1767tulip_srom_read(tulip_softc_t * const sc) 1768{ 1769 unsigned idx; 1770 const unsigned bitwidth = SROM_BITWIDTH; 1771 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1772 const unsigned msb = 1 << (bitwidth + 3 - 1); 1773 unsigned lastidx = (1 << bitwidth) - 1; 1774 1775 tulip_srom_idle(sc); 1776 1777 for (idx = 0; idx <= lastidx; idx++) { 1778 unsigned lastbit, data, bits, bit, csr; 1779 csr = SROMSEL ; EMIT; 1780 csr = SROMSEL | SROMRD; EMIT; 1781 csr ^= SROMCSON; EMIT; 1782 csr ^= SROMCLKON; EMIT; 1783 1784 lastbit = 0; 1785 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1786 const unsigned thisbit = bits & msb; 1787 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1788 if (thisbit != lastbit) { 1789 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1790 } else { 1791 EMIT; 1792 } 1793 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1794 lastbit = thisbit; 1795 } 1796 csr ^= SROMCLKOFF; EMIT; 1797 1798 for (data = 0, bits = 0; bits < 16; bits++) { 1799 data <<= 1; 1800 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1801 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1802 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1803 } 1804 sc->tulip_rombuf[idx*2] = data & 0xFF; 1805 sc->tulip_rombuf[idx*2+1] = data >> 8; 1806 csr = SROMSEL | SROMRD; EMIT; 1807 csr = 0; EMIT; 1808 } 1809 tulip_srom_idle(sc); 1810} 1811 1812void 1813tulip_mii_writebits(tulip_softc_t * const sc, unsigned data, unsigned bits) 1814{ 1815 unsigned msb = 1 << (bits - 1); 1816 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1817 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1818 1819 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1820 1821 for (; bits > 0; bits--, data <<= 1) { 1822 const unsigned thisbit = data & msb; 1823 if (thisbit != lastbit) 1824 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1825 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1826 lastbit = thisbit; 1827 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1828 } 1829} 1830 1831void 1832tulip_mii_turnaround(tulip_softc_t * const sc, unsigned cmd) 1833{ 1834 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1835 1836 if (cmd == MII_WRCMD) { 1837 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1838 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1839 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1840 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1841 } else 1842 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1843 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1844 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1845} 1846 1847unsigned 1848tulip_mii_readbits(tulip_softc_t * const sc) 1849{ 1850 unsigned data; 1851 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1852 int idx; 1853 1854 for (idx = 0, data = 0; idx < 16; idx++) { 1855 data <<= 1; /* this is NOOP on the first pass through */ 1856 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1857 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1858 data |= 1; 1859 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1860 } 1861 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1862 1863 return (data); 1864} 1865 1866unsigned 1867tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno) 1868{ 1869 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1870 unsigned data; 1871 1872 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1873 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1874 tulip_mii_writebits(sc, MII_RDCMD, 8); 1875 tulip_mii_writebits(sc, devaddr, 5); 1876 tulip_mii_writebits(sc, regno, 5); 1877 tulip_mii_turnaround(sc, MII_RDCMD); 1878 1879 data = tulip_mii_readbits(sc); 1880#if defined(TULIP_DEBUG) 1881 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 1882 sc->tulip_dbg.dbg_phyregs[regno][1]++; 1883#endif 1884 return (data); 1885} 1886 1887void 1888tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, 1889 unsigned regno, unsigned data) 1890{ 1891 unsigned csr; 1892 1893 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1894 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1895 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1896 tulip_mii_writebits(sc, MII_WRCMD, 8); 1897 tulip_mii_writebits(sc, devaddr, 5); 1898 tulip_mii_writebits(sc, regno, 5); 1899 tulip_mii_turnaround(sc, MII_WRCMD); 1900 tulip_mii_writebits(sc, data, 16); 1901#if defined(TULIP_DEBUG) 1902 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 1903 sc->tulip_dbg.dbg_phyregs[regno][3]++; 1904#endif 1905} 1906 1907void 1908tulip_identify_dec_nic(tulip_softc_t * const sc) 1909{ 1910 strlcpy(sc->tulip_boardid, "DEC ", sizeof(sc->tulip_boardid)); 1911#define D0 4 1912 if (sc->tulip_chipid <= TULIP_DE425) 1913 return; 1914 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 1915 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 1916 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 1917 sc->tulip_boardid[D0+8] = ' '; 1918 } 1919#undef D0 1920} 1921 1922void 1923tulip_identify_znyx_nic(tulip_softc_t * const sc) 1924{ 1925 unsigned id = 0; 1926 strlcpy(sc->tulip_boardid, "ZNYX ZX3XX ", sizeof(sc->tulip_boardid)); 1927 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 1928 unsigned znyx_ptr; 1929 sc->tulip_boardid[8] = '4'; 1930 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 1931 if (znyx_ptr < 26 || znyx_ptr > 116) { 1932 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1933 return; 1934 } 1935 /* ZX344 = 0010 .. 0013FF 1936 */ 1937 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 1938 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 1939 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 1940 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 1941 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 1942 sc->tulip_boardid[9] = '2'; 1943 if (id == TULIP_ZNYX_ID_ZX342B) { 1944 sc->tulip_boardid[10] = 'B'; 1945 sc->tulip_boardid[11] = ' '; 1946 } 1947 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1948 } else if (id == TULIP_ZNYX_ID_ZX344) { 1949 sc->tulip_boardid[10] = '4'; 1950 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1951 } else if (id == TULIP_ZNYX_ID_ZX345) { 1952 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 1953 } else if (id == TULIP_ZNYX_ID_ZX346) { 1954 sc->tulip_boardid[9] = '6'; 1955 } else if (id == TULIP_ZNYX_ID_ZX351) { 1956 sc->tulip_boardid[8] = '5'; 1957 sc->tulip_boardid[9] = '1'; 1958 } 1959 } 1960 if (id == 0) { 1961 /* 1962 * Assume it's a ZX342... 1963 */ 1964 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1965 } 1966 return; 1967 } 1968 sc->tulip_boardid[8] = '1'; 1969 if (sc->tulip_chipid == TULIP_21041) { 1970 sc->tulip_boardid[10] = '1'; 1971 return; 1972 } 1973 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 1974 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 1975 if (id == TULIP_ZNYX_ID_ZX312T) { 1976 sc->tulip_boardid[9] = '2'; 1977 sc->tulip_boardid[10] = 'T'; 1978 sc->tulip_boardid[11] = ' '; 1979 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1980 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 1981 sc->tulip_boardid[9] = '4'; 1982 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1983 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1984 } else if (id == TULIP_ZNYX_ID_ZX314) { 1985 sc->tulip_boardid[9] = '4'; 1986 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1987 sc->tulip_features |= TULIP_HAVE_BASEROM; 1988 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 1989 sc->tulip_boardid[9] = '5'; 1990 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1991 } else if (id == TULIP_ZNYX_ID_ZX315) { 1992 sc->tulip_boardid[9] = '5'; 1993 sc->tulip_features |= TULIP_HAVE_BASEROM; 1994 } else 1995 id = 0; 1996 } 1997 if (id == 0) { 1998 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 3) == 0) { 1999 sc->tulip_boardid[9] = '4'; 2000 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2001 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2002 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2003 sc->tulip_boardid[9] = '5'; 2004 sc->tulip_boardsw = &tulip_21040_boardsw; 2005 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2006 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2007 sc->tulip_boardid[9] = '2'; 2008 sc->tulip_boardsw = &tulip_21040_boardsw; 2009 } 2010 } 2011} 2012 2013void 2014tulip_identify_smc_nic(tulip_softc_t * const sc) 2015{ 2016 u_int32_t id1, id2, ei; 2017 int auibnc = 0, utp = 0; 2018 char *cp; 2019 2020 strlcpy(sc->tulip_boardid, "SMC ", sizeof(sc->tulip_boardid)); 2021 if (sc->tulip_chipid == TULIP_21041) 2022 return; 2023 if (sc->tulip_chipid != TULIP_21040) { 2024 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2025 strlcat(sc->tulip_boardid, "9332DST ", sizeof(sc->tulip_boardid)); 2026 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2027 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) 2028 strlcat(sc->tulip_boardid, "9334BDT ", sizeof(sc->tulip_boardid)); 2029 else 2030 strlcat(sc->tulip_boardid, "9332BDT ", sizeof(sc->tulip_boardid)); 2031 return; 2032 } 2033 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2034 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2035 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2036 2037 strlcat(sc->tulip_boardid, "8432", sizeof(sc->tulip_boardid)); 2038 cp = &sc->tulip_boardid[8]; 2039 if ((id1 & 1) == 0) 2040 *cp++ = 'B', auibnc = 1; 2041 if ((id1 & 0xFF) > 0x32) 2042 *cp++ = 'T', utp = 1; 2043 if ((id1 & 0x4000) == 0) 2044 *cp++ = 'A', auibnc = 1; 2045 if (id2 == 0x15) { 2046 sc->tulip_boardid[7] = '4'; 2047 *cp++ = '-'; 2048 *cp++ = 'C'; 2049 *cp++ = 'H'; 2050 *cp++ = (ei ? '2' : '1'); 2051 } 2052 *cp++ = ' '; 2053 *cp = '\0'; 2054 if (utp && !auibnc) 2055 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2056 else if (!utp && auibnc) 2057 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2058} 2059 2060void 2061tulip_identify_cogent_nic(tulip_softc_t * const sc) 2062{ 2063 strlcpy(sc->tulip_boardid, "Cogent ", sizeof(sc->tulip_boardid)); 2064 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2065 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2066 strlcat(sc->tulip_boardid, "EM100TX ", sizeof(sc->tulip_boardid)); 2067 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2068#if defined(TULIP_COGENT_EM110TX_ID) 2069 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2070 strlcat(sc->tulip_boardid, "EM110TX ", sizeof(sc->tulip_boardid)); 2071 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2072#endif 2073 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2074 strlcat(sc->tulip_boardid, "EM100FX ", sizeof(sc->tulip_boardid)); 2075 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2076 } 2077 /* 2078 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2079 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2080 */ 2081 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2082 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2083 /* 2084 * Cogent (Adaptec) is still mapping all INTs to INTA of 2085 * first 21140. Dumb! Dumb! 2086 */ 2087 strlcat(sc->tulip_boardid, "EM440TX ", sizeof(sc->tulip_boardid)); 2088 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2089 } 2090 } else if (sc->tulip_chipid == TULIP_21040) 2091 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2092} 2093 2094void 2095tulip_identify_accton_nic(tulip_softc_t * const sc) 2096{ 2097 strlcpy(sc->tulip_boardid, "ACCTON ", sizeof(sc->tulip_boardid)); 2098 switch (sc->tulip_chipid) { 2099 case TULIP_21140A: 2100 strlcat(sc->tulip_boardid, "EN1207 ", sizeof(sc->tulip_boardid)); 2101 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2102 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2103 break; 2104 case TULIP_21140: 2105 strlcat(sc->tulip_boardid, "EN1207TX ", sizeof(sc->tulip_boardid)); 2106 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2107 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2108 break; 2109 case TULIP_21040: 2110 strlcat(sc->tulip_boardid, "EN1203 ", sizeof(sc->tulip_boardid)); 2111 sc->tulip_boardsw = &tulip_21040_boardsw; 2112 break; 2113 case TULIP_21041: 2114 strlcat(sc->tulip_boardid, "EN1203 ", sizeof(sc->tulip_boardid)); 2115 sc->tulip_boardsw = &tulip_21041_boardsw; 2116 break; 2117 default: 2118 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2119 break; 2120 } 2121} 2122 2123void 2124tulip_identify_asante_nic(tulip_softc_t * const sc) 2125{ 2126 strlcpy(sc->tulip_boardid, "Asante ", sizeof(sc->tulip_boardid)); 2127 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2128 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2129 tulip_media_info_t *mi = sc->tulip_mediainfo; 2130 int idx; 2131 /* 2132 * The Asante Fast Ethernet doesn't always ship with a valid 2133 * new format SROM. So if isn't in the new format, we cheat 2134 * set it up as if we had. 2135 */ 2136 2137 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2138 sc->tulip_gpdata = 0; 2139 2140 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2141 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2142 DELAY(100); 2143 TULIP_CSR_WRITE(sc, csr_gp, 0); 2144 2145 mi->mi_type = TULIP_MEDIAINFO_MII; 2146 mi->mi_gpr_length = 0; 2147 mi->mi_gpr_offset = 0; 2148 mi->mi_reset_length = 0; 2149 mi->mi_reset_offset = 0; 2150 2151 mi->mi_phyaddr = TULIP_MII_NOPHY; 2152 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2153 DELAY(10000); 2154 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2155 } 2156 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2157#ifdef TULIP_DEBUG 2158 printf(TULIP_PRINTF_FMT ": can't find phy 0\n", TULIP_PRINTF_ARGS); 2159#endif 2160 return; 2161 } 2162 2163 sc->tulip_features |= TULIP_HAVE_MII; 2164 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2165 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2166 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2167 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2168 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2169 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2170 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2171 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2172 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2173 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2174 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2175 2176 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2177 } 2178} 2179 2180void 2181tulip_identify_compex_nic(tulip_softc_t * const sc) 2182{ 2183 strlcpy(sc->tulip_boardid, "COMPEX ", sizeof(sc->tulip_boardid)); 2184 if (sc->tulip_chipid == TULIP_21140A) { 2185 int root_unit; 2186 tulip_softc_t *root_sc = NULL; 2187 2188 strlcat(sc->tulip_boardid, "400TX/PCI ", sizeof(sc->tulip_boardid)); 2189 /* 2190 * All 4 chips on these boards share an interrupt. This code 2191 * copied from tulip_read_macaddr. 2192 */ 2193 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2194 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2195 root_sc = TULIP_UNIT_TO_SOFTC(root_unit); 2196 if (root_sc == NULL 2197 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2198 break; 2199 root_sc = NULL; 2200 } 2201 if (root_sc != NULL 2202 && root_sc->tulip_chipid == sc->tulip_chipid 2203 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2204 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2205 sc->tulip_slaves = root_sc->tulip_slaves; 2206 root_sc->tulip_slaves = sc; 2207 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) 2208 printf("\nCannot find master device for de%d interrupts", sc->tulip_unit); 2209 } else 2210 strlcat(sc->tulip_boardid, "unknown ", sizeof(sc->tulip_boardid)); 2211 2212 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2213} 2214 2215int 2216tulip_srom_decode(tulip_softc_t * const sc) 2217{ 2218 unsigned idx1, idx2, idx3; 2219 2220 const tulip_srom_header_t *shp = (tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2221 const tulip_srom_adapter_info_t *saip = (tulip_srom_adapter_info_t *) (shp + 1); 2222 tulip_srom_media_t srom_media; 2223 tulip_media_info_t *mi = sc->tulip_mediainfo; 2224 const u_int8_t *dp; 2225 u_int32_t leaf_offset, blocks, data; 2226 2227 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2228 if (shp->sh_adapter_count == 1) 2229 break; 2230 if (saip->sai_device == sc->tulip_pci_devno) 2231 break; 2232 } 2233 /* 2234 * Didn't find the right media block for this card. 2235 */ 2236 if (idx1 == shp->sh_adapter_count) 2237 return (0); 2238 2239 /* 2240 * Save the hardware address. 2241 */ 2242 bcopy((caddr_t) shp->sh_ieee802_address, (caddr_t) sc->tulip_enaddr, 2243 ETHER_ADDR_LEN); 2244 /* 2245 * If this is a multiple port card, add the adapter index to the last 2246 * byte of the hardware address. (if it isn't multiport, adding 0 2247 * won't hurt. 2248 */ 2249 sc->tulip_enaddr[5] += idx1; 2250 2251 leaf_offset = saip->sai_leaf_offset_lowbyte 2252 + saip->sai_leaf_offset_highbyte * 256; 2253 dp = sc->tulip_rombuf + leaf_offset; 2254 2255 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2256 2257 for (idx2 = 0;; idx2++) { 2258 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2259 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2260 break; 2261 } 2262 sc->tulip_connidx = idx2; 2263 2264 if (sc->tulip_chipid == TULIP_21041) { 2265 blocks = *dp++; 2266 for (idx2 = 0; idx2 < blocks; idx2++) { 2267 tulip_media_t media; 2268 data = *dp++; 2269 srom_media = (tulip_srom_media_t) (data & 0x3F); 2270 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2271 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2272 break; 2273 } 2274 media = tulip_srom_mediums[idx3].sm_type; 2275 if (media != TULIP_MEDIA_UNKNOWN) { 2276 if (data & TULIP_SROM_21041_EXTENDED) { 2277 mi->mi_type = TULIP_MEDIAINFO_SIA; 2278 sc->tulip_mediums[media] = mi; 2279 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2280 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2281 mi->mi_sia_general = dp[4] + dp[5] * 256; 2282 mi++; 2283 } else { 2284 switch (media) { 2285 case TULIP_MEDIA_BNC: { 2286 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2287 mi++; 2288 break; 2289 } 2290 case TULIP_MEDIA_AUI: { 2291 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2292 mi++; 2293 break; 2294 } 2295 case TULIP_MEDIA_10BASET: { 2296 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2297 mi++; 2298 break; 2299 } 2300 case TULIP_MEDIA_10BASET_FD: { 2301 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2302 mi++; 2303 break; 2304 } 2305 default: { 2306 break; 2307 } 2308 } 2309 } 2310 } 2311 if (data & TULIP_SROM_21041_EXTENDED) 2312 dp += 6; 2313 } 2314 } else { 2315 unsigned length, type; 2316 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2317 if (sc->tulip_features & TULIP_HAVE_GPR) 2318 sc->tulip_gpinit = *dp++; 2319 blocks = *dp++; 2320 for (idx2 = 0; idx2 < blocks; idx2++) { 2321 const u_int8_t *ep; 2322 if ((*dp & 0x80) == 0) { 2323 length = 4; 2324 type = 0; 2325 } else { 2326 length = (*dp++ & 0x7f) - 1; 2327 type = *dp++ & 0x3f; 2328 } 2329 ep = dp + length; 2330 switch (type & 0x3f) { 2331 case 0: { /* 21140[A] GPR block */ 2332 tulip_media_t media; 2333 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2334 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2335 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2336 break; 2337 } 2338 media = tulip_srom_mediums[idx3].sm_type; 2339 if (media == TULIP_MEDIA_UNKNOWN) 2340 break; 2341 mi->mi_type = TULIP_MEDIAINFO_GPR; 2342 sc->tulip_mediums[media] = mi; 2343 mi->mi_gpdata = dp[1]; 2344 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2345 sc->tulip_gpdata = mi->mi_gpdata; 2346 gp_media = media; 2347 } 2348 data = dp[2] + dp[3] * 256; 2349 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2350 if (data & TULIP_SROM_2114X_NOINDICATOR) 2351 mi->mi_actmask = 0; 2352 else { 2353 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2354 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2355 } 2356 mi++; 2357 break; 2358 } 2359 case 1: { /* 21140[A] MII block */ 2360 const unsigned phyno = *dp++; 2361 mi->mi_type = TULIP_MEDIAINFO_MII; 2362 mi->mi_gpr_length = *dp++; 2363 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2364 dp += mi->mi_gpr_length; 2365 mi->mi_reset_length = *dp++; 2366 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2367 dp += mi->mi_reset_length; 2368 2369 /* 2370 * Before we probe for a PHY, use the GPR information 2371 * to select it. If we don't, it may be inaccessible. 2372 */ 2373 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2374 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2375 DELAY(10); 2376 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2377 } 2378 sc->tulip_phyaddr = mi->mi_phyaddr; 2379 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2380 DELAY(10); 2381 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2382 } 2383 2384 /* 2385 * At least write something! 2386 */ 2387 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2388 TULIP_CSR_WRITE(sc, csr_gp, 0); 2389 2390 mi->mi_phyaddr = TULIP_MII_NOPHY; 2391 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2392 DELAY(10000); 2393 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2394 } 2395 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2396#if defined(TULIP_DEBUG) 2397 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2398 TULIP_PRINTF_ARGS, phyno); 2399#endif 2400 break; 2401 } 2402 sc->tulip_features |= TULIP_HAVE_MII; 2403 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2404 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2405 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2406 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2407 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2408 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2409 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2410 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2411 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2412 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2413 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2414 mi++; 2415 break; 2416 } 2417 case 2: { /* 2114[23] SIA block */ 2418 tulip_media_t media; 2419 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2420 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2421 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2422 break; 2423 } 2424 media = tulip_srom_mediums[idx3].sm_type; 2425 if (media == TULIP_MEDIA_UNKNOWN) 2426 break; 2427 mi->mi_type = TULIP_MEDIAINFO_SIA; 2428 sc->tulip_mediums[media] = mi; 2429 if (dp[0] & 0x40) { 2430 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2431 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2432 mi->mi_sia_general = dp[5] + dp[6] * 256; 2433 dp += 6; 2434 } else { 2435 switch (media) { 2436 case TULIP_MEDIA_BNC: { 2437 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2438 break; 2439 } 2440 case TULIP_MEDIA_AUI: { 2441 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2442 break; 2443 } 2444 case TULIP_MEDIA_10BASET: { 2445 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2446 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2447 break; 2448 } 2449 case TULIP_MEDIA_10BASET_FD: { 2450 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2451 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2452 break; 2453 } 2454 default: { 2455 goto bad_media; 2456 } 2457 } 2458 } 2459 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2460 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2461 mi++; 2462 bad_media: 2463 break; 2464 } 2465 case 3: { /* 2114[23] MII PHY block */ 2466 const unsigned phyno = *dp++; 2467 const u_int8_t *dp0; 2468 mi->mi_type = TULIP_MEDIAINFO_MII; 2469 mi->mi_gpr_length = *dp++; 2470 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2471 dp += 2 * mi->mi_gpr_length; 2472 mi->mi_reset_length = *dp++; 2473 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2474 dp += 2 * mi->mi_reset_length; 2475 2476 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2477 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2478 DELAY(10); 2479 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2480 } 2481 sc->tulip_phyaddr = mi->mi_phyaddr; 2482 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2483 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2484 DELAY(10); 2485 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2486 } 2487 2488 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2489 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2490 2491 mi->mi_phyaddr = TULIP_MII_NOPHY; 2492 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2493 DELAY(10000); 2494 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2495 } 2496 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2497#if defined(TULIP_DEBUG) 2498 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2499 TULIP_PRINTF_ARGS, phyno); 2500#endif 2501 break; 2502 } 2503 sc->tulip_features |= TULIP_HAVE_MII; 2504 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2505 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2506 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2507 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2508 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2509 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2510 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2511 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2512 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2513 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2514 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2515 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2516 mi++; 2517 break; 2518 } 2519 case 4: { /* 21143 SYM block */ 2520 tulip_media_t media; 2521 srom_media = (tulip_srom_media_t) dp[0]; 2522 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2523 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2524 break; 2525 } 2526 media = tulip_srom_mediums[idx3].sm_type; 2527 if (media == TULIP_MEDIA_UNKNOWN) 2528 break; 2529 mi->mi_type = TULIP_MEDIAINFO_SYM; 2530 sc->tulip_mediums[media] = mi; 2531 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2532 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2533 data = dp[5] + dp[6] * 256; 2534 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2535 if (data & TULIP_SROM_2114X_NOINDICATOR) 2536 mi->mi_actmask = 0; 2537 else { 2538 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2539 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2540 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2541 } 2542 if (TULIP_IS_MEDIA_TP(media)) 2543 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2544 mi++; 2545 break; 2546 } 2547 default: { 2548 } 2549 } 2550 dp = ep; 2551 } 2552 } 2553 return (mi - sc->tulip_mediainfo); 2554} 2555 2556static const struct { 2557 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2558 unsigned char vendor_oui[3]; 2559} tulip_vendors[] = { 2560 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2561 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2562 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2563 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2564 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2565 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2566 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2567 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2568 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2569 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2570 { NULL } 2571}; 2572 2573/* 2574 * This deals with the vagaries of the address roms and the 2575 * brain-deadness that various vendors commit in using them. 2576 */ 2577int 2578tulip_read_macaddr(tulip_softc_t * const sc) 2579{ 2580 unsigned cksum, rom_cksum, idx; 2581 u_int32_t csr; 2582 unsigned char tmpbuf[8]; 2583 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2584 2585 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2586 2587 if (sc->tulip_chipid == TULIP_21040) { 2588 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2589 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2590 int cnt = 0; 2591 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2592 cnt++; 2593 sc->tulip_rombuf[idx] = csr & 0xFF; 2594 } 2595 sc->tulip_boardsw = &tulip_21040_boardsw; 2596 } else { 2597 if (sc->tulip_chipid == TULIP_21041) { 2598 /* 2599 * Thankfully all 21041's act the same. 2600 */ 2601 sc->tulip_boardsw = &tulip_21041_boardsw; 2602 } else { 2603 /* 2604 * Assume all 21140 board are compatible with the 2605 * DEC 10/100 evaluation board. Not really valid but 2606 * it's the best we can do until every one switches to 2607 * the new SROM format. 2608 */ 2609 2610 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2611 } 2612 tulip_srom_read(sc); 2613 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2614 /* 2615 * SROM CRC is valid therefore it must be in the 2616 * new format. 2617 */ 2618 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2619 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2620 /* 2621 * No checksum is present. See if the SROM id checks out; 2622 * the first 18 bytes should be 0 followed by a 1 followed 2623 * by the number of adapters (which we don't deal with yet). 2624 */ 2625 for (idx = 0; idx < 18; idx++) { 2626 if (sc->tulip_rombuf[idx] != 0) 2627 break; 2628 } 2629 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2630 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2631 } else if (sc->tulip_chipid >= TULIP_21142) { 2632 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2633 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2634 } 2635 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2636 if (sc->tulip_chipid != TULIP_21041) 2637 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2638 2639 /* 2640 * If the SROM specifies more than one adapter, tag this as a 2641 * BASE rom. 2642 */ 2643 if (sc->tulip_rombuf[19] > 1) 2644 sc->tulip_features |= TULIP_HAVE_BASEROM; 2645 if (sc->tulip_boardsw == NULL) 2646 return (-6); 2647 goto check_oui; 2648 } 2649 } 2650 2651 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2652 /* 2653 * Some folks don't use the standard ethernet rom format 2654 * but instead just put the address in the first 6 bytes 2655 * of the rom and let the rest be all 0xffs. (Can we say 2656 * ZNYX???) (well sometimes they put in a checksum so we'll 2657 * start at 8). 2658 */ 2659 for (idx = 8; idx < 32; idx++) { 2660 if (sc->tulip_rombuf[idx] != 0xFF) 2661 return (-4); 2662 } 2663 /* 2664 * Make sure the address is not multicast or locally assigned 2665 * that the OUI is not 00-00-00. 2666 */ 2667 if ((sc->tulip_rombuf[0] & 3) != 0) 2668 return (-4); 2669 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2670 && sc->tulip_rombuf[2] == 0) 2671 return (-4); 2672 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, ETHER_ADDR_LEN); 2673 sc->tulip_features |= TULIP_HAVE_OKROM; 2674 goto check_oui; 2675 } else { 2676 /* 2677 * A number of makers of multiport boards (ZNYX and Cogent) 2678 * only put on one address ROM on their 21040 boards. So 2679 * if the ROM is all zeros (or all 0xFFs), look at the 2680 * previous configured boards (as long as they are on the same 2681 * PCI bus and the bus number is non-zero) until we find the 2682 * master board with address ROM. We then use its address ROM 2683 * as the base for this board. (we add our relative board 2684 * to the last byte of its address). 2685 */ 2686 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2687 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2688 break; 2689 } 2690 if (idx == sizeof(sc->tulip_rombuf)) { 2691 int root_unit; 2692 tulip_softc_t *root_sc = NULL; 2693 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2694 root_sc = TULIP_UNIT_TO_SOFTC(root_unit); 2695 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2696 break; 2697 root_sc = NULL; 2698 } 2699 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2700 && root_sc->tulip_chipid == sc->tulip_chipid 2701 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2702 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2703 sc->tulip_boardsw = root_sc->tulip_boardsw; 2704 strlcpy(sc->tulip_boardid, root_sc->tulip_boardid, 2705 sizeof(sc->tulip_boardid)); 2706 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2707 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2708 sizeof(sc->tulip_rombuf)); 2709 if (!tulip_srom_decode(sc)) 2710 return (-5); 2711 } else { 2712 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 2713 ETHER_ADDR_LEN); 2714 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2715 } 2716 /* 2717 * Now for a truly disgusting kludge: all 4 21040s on 2718 * the ZX314 share the same INTA line so the mapping 2719 * setup by the BIOS on the PCI bridge is worthless. 2720 * Rather than reprogramming the value in the config 2721 * register, we will handle this internally. 2722 */ 2723 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2724 sc->tulip_slaves = root_sc->tulip_slaves; 2725 root_sc->tulip_slaves = sc; 2726 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2727 } 2728 return (0); 2729 } 2730 } 2731 } 2732 2733 /* 2734 * This is the standard DEC address ROM test. 2735 */ 2736 2737 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2738 return (-3); 2739 2740 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2741 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2742 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2743 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2744 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2745 return (-2); 2746 2747 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, ETHER_ADDR_LEN); 2748 2749 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2750 cksum *= 2; 2751 if (cksum > 65535) cksum -= 65535; 2752 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2753 if (cksum > 65535) cksum -= 65535; 2754 cksum *= 2; 2755 if (cksum > 65535) cksum -= 65535; 2756 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2757 if (cksum >= 65535) cksum -= 65535; 2758 2759 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2760 2761 if (cksum != rom_cksum) 2762 return (-1); 2763 2764 check_oui: 2765 /* 2766 * Check for various boards based on OUI. Did I say braindead? 2767 */ 2768 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2769 if (bcmp((caddr_t) sc->tulip_enaddr, 2770 (caddr_t) tulip_vendors[idx].vendor_oui, 3) == 0) { 2771 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2772 break; 2773 } 2774 } 2775 2776 sc->tulip_features |= TULIP_HAVE_OKROM; 2777 return (0); 2778} 2779 2780void 2781tulip_ifmedia_add(tulip_softc_t * const sc) 2782{ 2783 tulip_media_t media; 2784 int medias = 0; 2785 2786 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2787 if (sc->tulip_mediums[media] != NULL) { 2788 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2789 0, 0); 2790 medias++; 2791 } 2792 } 2793 if (medias == 0) { 2794 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2795 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2796 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2797 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2798 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2799 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2800 } else { 2801 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2802 sc->tulip_flags |= TULIP_PRINTMEDIA; 2803 tulip_linkup(sc, sc->tulip_media); 2804 } 2805} 2806 2807int 2808tulip_ifmedia_change(struct ifnet * const ifp) 2809{ 2810 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 2811 2812 sc->tulip_flags |= TULIP_NEEDRESET; 2813 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2814 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2815 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2816 tulip_media_t media; 2817 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2818 if (sc->tulip_mediums[media] != NULL 2819 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2820 sc->tulip_flags |= TULIP_PRINTMEDIA; 2821 sc->tulip_flags &= ~TULIP_DIDNWAY; 2822 tulip_linkup(sc, media); 2823 return (0); 2824 } 2825 } 2826 } 2827 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2828 tulip_reset(sc); 2829 tulip_init(sc); 2830 return (0); 2831} 2832 2833/* 2834 * Media status callback 2835 */ 2836void 2837tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req) 2838{ 2839 tulip_softc_t *sc = TULIP_IFP_TO_SOFTC(ifp); 2840 2841 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 2842 return; 2843 2844 req->ifm_status = IFM_AVALID; 2845 if (sc->tulip_flags & TULIP_LINKUP) 2846 req->ifm_status |= IFM_ACTIVE; 2847 2848 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 2849} 2850 2851bus_dmamap_t 2852tulip_alloc_rxmap(tulip_softc_t *sc) 2853{ 2854 return (sc->tulip_free_rxmaps[--sc->tulip_num_free_rxmaps]); 2855} 2856 2857void 2858tulip_free_rxmap(tulip_softc_t *sc, bus_dmamap_t map) 2859{ 2860 sc->tulip_free_rxmaps[sc->tulip_num_free_rxmaps++] = map; 2861} 2862 2863bus_dmamap_t 2864tulip_alloc_txmap(tulip_softc_t *sc) 2865{ 2866 return (sc->tulip_free_txmaps[--sc->tulip_num_free_txmaps]); 2867} 2868 2869void 2870tulip_free_txmap(tulip_softc_t *sc, bus_dmamap_t map) 2871{ 2872 sc->tulip_free_txmaps[sc->tulip_num_free_txmaps++] = map; 2873} 2874 2875void 2876tulip_addr_filter(tulip_softc_t * const sc) 2877{ 2878 struct arpcom *ac = &sc->tulip_ac; 2879 struct ether_multistep step; 2880 struct ether_multi *enm; 2881 2882 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 2883 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 2884 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 2885 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 2886 sc->tulip_if.if_flags &= ~IFF_ALLMULTI; 2887 if (sc->tulip_multicnt > 14) { 2888 u_int32_t *sp = sc->tulip_setupdata; 2889 unsigned hash; 2890 /* 2891 * Some early passes of the 21140 have broken implementations of 2892 * hash-perfect mode. When we get too many multicasts for perfect 2893 * filtering with these chips, we need to switch into hash-only 2894 * mode (this is better than all-multicast on network with lots 2895 * of multicast traffic). 2896 */ 2897 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 2898 sc->tulip_flags |= TULIP_WANTHASHONLY; 2899 else 2900 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 2901 /* 2902 * If we have more than 14 multicasts, we have 2903 * go into hash perfect mode (512 bit multicast 2904 * hash and one perfect hardware). 2905 */ 2906 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 2907 if (ac->ac_multirangecnt > 0) { 2908 sc->tulip_flags |= TULIP_ALLMULTI; 2909 sc->tulip_flags &= ~(TULIP_WANTHASHONLY|TULIP_WANTHASHPERFECT); 2910 } else { 2911 ETHER_FIRST_MULTI(step, ac, enm); 2912 while (enm != NULL) { 2913 hash = tulip_mchash(enm->enm_addrlo); 2914#if BYTE_ORDER == BIG_ENDIAN 2915 sp[hash >> 4] |= swap32(1 << (hash & 0xF)); 2916#else 2917 sp[hash >> 4] |= 1 << (hash & 0xF); 2918#endif 2919 ETHER_NEXT_MULTI(step, enm); 2920 } 2921 } 2922 /* 2923 * No reason to use a hash if we are going to be 2924 * receiving every multicast. 2925 */ 2926 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2927 hash = tulip_mchash(etherbroadcastaddr); 2928#if BYTE_ORDER == BIG_ENDIAN 2929 sp[hash >> 4] |= swap32(1 << (hash & 0xF)); 2930#else 2931 sp[hash >> 4] |= 1 << (hash & 0xF); 2932#endif 2933 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 2934 hash = tulip_mchash(sc->tulip_enaddr); 2935#if BYTE_ORDER == BIG_ENDIAN 2936 sp[hash >> 4] |= swap32(1 << (hash & 0xF)); 2937#else 2938 sp[hash >> 4] |= 1 << (hash & 0xF); 2939#endif 2940 } else { 2941#if BYTE_ORDER == BIG_ENDIAN 2942 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 2943 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 2944 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 2945#else 2946 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 2947 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 2948 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 2949#endif 2950 } 2951 } 2952 } 2953 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 2954 u_int32_t *sp = sc->tulip_setupdata; 2955 int idx = 0; 2956 if (ac->ac_multirangecnt > 0) 2957 sc->tulip_flags |= TULIP_ALLMULTI; 2958 2959 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2960 /* 2961 * Else can get perfect filtering for 16 addresses. 2962 */ 2963 ETHER_FIRST_MULTI(step, ac, enm); 2964 for (; enm != NULL; idx++) { 2965#if BYTE_ORDER == BIG_ENDIAN 2966 *sp++ = ((u_int16_t *) enm->enm_addrlo)[0] << 16; 2967 *sp++ = ((u_int16_t *) enm->enm_addrlo)[1] << 16; 2968 *sp++ = ((u_int16_t *) enm->enm_addrlo)[2] << 16; 2969#else 2970 *sp++ = ((u_int16_t *) enm->enm_addrlo)[0]; 2971 *sp++ = ((u_int16_t *) enm->enm_addrlo)[1]; 2972 *sp++ = ((u_int16_t *) enm->enm_addrlo)[2]; 2973#endif 2974 ETHER_NEXT_MULTI(step, enm); 2975 } 2976 /* 2977 * Add the broadcast address. 2978 */ 2979 idx++; 2980#if BYTE_ORDER == BIG_ENDIAN 2981 *sp++ = 0xFFFF << 16; 2982 *sp++ = 0xFFFF << 16; 2983 *sp++ = 0xFFFF << 16; 2984#else 2985 *sp++ = 0xFFFF; 2986 *sp++ = 0xFFFF; 2987 *sp++ = 0xFFFF; 2988#endif 2989 } 2990 /* 2991 * Pad the rest with our hardware address 2992 */ 2993 for (; idx < 16; idx++) { 2994#if BYTE_ORDER == BIG_ENDIAN 2995 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 2996 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 2997 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 2998#else 2999 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 3000 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 3001 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 3002#endif 3003 } 3004 } 3005 if (sc->tulip_flags & TULIP_ALLMULTI) 3006 sc->tulip_if.if_flags |= IFF_ALLMULTI; 3007} 3008 3009void 3010tulip_reset(tulip_softc_t * const sc) 3011{ 3012 tulip_ringinfo_t *ri; 3013 tulip_desc_t *di; 3014 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3015 3016 /* 3017 * Brilliant. Simply brilliant. When switching modes/speeds 3018 * on a 2114*, you need to set the appropriate MII/PCS/SCL/PS 3019 * bits in CSR6 and then do a software reset to get the 21140 3020 * to properly reset its internal pathways to the right places. 3021 * Grrrr. 3022 */ 3023 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 3024 && sc->tulip_boardsw->bd_media_preset != NULL) 3025 (*sc->tulip_boardsw->bd_media_preset)(sc); 3026 3027 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3028 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3029 33MHz that comes to two microseconds but wait a 3030 bit longer anyways) */ 3031 3032 if (!inreset) { 3033 sc->tulip_flags |= TULIP_INRESET; 3034 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3035 ifq_clr_oactive(&sc->tulip_if.if_snd); 3036 } 3037 3038 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txdescmap->dm_segs[0].ds_addr); 3039 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxdescmap->dm_segs[0].ds_addr); 3040 TULIP_CSR_WRITE(sc, csr_busmode, 3041 (1 << (TULIP_BURSTSIZE(sc->tulip_unit) + 8)) 3042 |TULIP_BUSMODE_CACHE_ALIGN8 3043 |TULIP_BUSMODE_READMULTIPLE 3044 |(BYTE_ORDER != LITTLE_ENDIAN ? 3045 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 3046 3047 sc->tulip_txtimer = 0; 3048 /* 3049 * Free all the mbufs that were on the transmit ring. 3050 */ 3051 for (;;) { 3052 bus_dmamap_t map; 3053 struct mbuf *m; 3054 m = ml_dequeue(&sc->tulip_txq); 3055 if (m == NULL) 3056 break; 3057 map = TULIP_GETCTX(m, bus_dmamap_t); 3058 bus_dmamap_unload(sc->tulip_dmatag, map); 3059 tulip_free_txmap(sc, map); 3060 m_freem(m); 3061 } 3062 3063 ri = &sc->tulip_txinfo; 3064 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3065 ri->ri_free = ri->ri_max; 3066 for (di = ri->ri_first; di < ri->ri_last; di++) 3067 di->d_status = 0; 3068 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_txdescmap, 3069 0, sc->tulip_txdescmap->dm_mapsize, 3070 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3071 3072 /* 3073 * We need to collect all the mbufs were on the 3074 * receive ring before we reinit it either to put 3075 * them back on or to know if we have to allocate 3076 * more. 3077 */ 3078 ri = &sc->tulip_rxinfo; 3079 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3080 ri->ri_free = ri->ri_max; 3081 for (di = ri->ri_first; di < ri->ri_last; di++) { 3082 di->d_status = 0; 3083 di->d_length1 = 0; di->d_addr1 = 0; 3084 di->d_length2 = 0; di->d_addr2 = 0; 3085 } 3086 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_rxdescmap, 3087 0, sc->tulip_rxdescmap->dm_mapsize, 3088 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3089 for (;;) { 3090 bus_dmamap_t map; 3091 struct mbuf *m; 3092 m = ml_dequeue(&sc->tulip_rxq); 3093 if (m == NULL) 3094 break; 3095 map = TULIP_GETCTX(m, bus_dmamap_t); 3096 bus_dmamap_unload(sc->tulip_dmatag, map); 3097 tulip_free_rxmap(sc, map); 3098 m_freem(m); 3099 } 3100 3101 /* 3102 * If tulip_reset is being called recursively, exit quickly knowing 3103 * that when the outer tulip_reset returns all the right stuff will 3104 * have happened. 3105 */ 3106 if (inreset) 3107 return; 3108 3109 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3110 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3111 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3112 |TULIP_STS_RXSTOPPED; 3113 3114 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3115 (*sc->tulip_boardsw->bd_media_select)(sc); 3116#if defined(TULIP_DEBUG) 3117 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3118 printf(TULIP_PRINTF_FMT ": tulip_reset: additional reset needed?!?\n", 3119 TULIP_PRINTF_ARGS); 3120#endif 3121 tulip_media_print(sc); 3122 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3123 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3124 3125 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3126 |TULIP_RXACT); 3127 tulip_addr_filter(sc); 3128} 3129 3130void 3131tulip_init(tulip_softc_t * const sc) 3132{ 3133 if (sc->tulip_if.if_flags & IFF_UP) { 3134 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 3135 /* initialize the media */ 3136 tulip_reset(sc); 3137 } 3138 sc->tulip_if.if_flags |= IFF_RUNNING; 3139 if (sc->tulip_if.if_flags & IFF_PROMISC) { 3140 sc->tulip_flags |= TULIP_PROMISC; 3141 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3142 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3143 } else { 3144 sc->tulip_flags &= ~TULIP_PROMISC; 3145 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3146 if (sc->tulip_flags & TULIP_ALLMULTI) 3147 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3148 else 3149 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3150 } 3151 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3152 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3153 tulip_rx_intr(sc); 3154 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3155 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3156 } else { 3157 ifq_set_oactive(&sc->tulip_if.if_snd); 3158 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3159 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3160 } 3161 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3162 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3163 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3164 tulip_txput_setup(sc); 3165 } else { 3166 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3167 tulip_reset(sc); 3168 } 3169} 3170 3171void 3172tulip_rx_intr(tulip_softc_t * const sc) 3173{ 3174 TULIP_PERFSTART(rxintr) 3175 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3176 struct ifnet * const ifp = &sc->tulip_if; 3177 struct mbuf_list ml = MBUF_LIST_INITIALIZER(); 3178 int fillok = 1; 3179#if defined(TULIP_DEBUG) 3180 int cnt = 0; 3181#endif 3182 3183 for (;;) { 3184 TULIP_PERFSTART(rxget) 3185 tulip_desc_t *eop = ri->ri_nextin; 3186 int total_len = 0, last_offset = 0; 3187 struct mbuf *ms = NULL, *me = NULL; 3188 int accept = 0; 3189 bus_dmamap_t map; 3190 int error; 3191 3192 if (fillok && ml_len(&sc->tulip_rxq) < TULIP_RXQ_TARGET) 3193 goto queue_mbuf; 3194 3195#if defined(TULIP_DEBUG) 3196 if (cnt == ri->ri_max) 3197 break; 3198#endif 3199 /* 3200 * If the TULIP has no descriptors, there can't be any receive 3201 * descriptors to process. 3202 */ 3203 if (eop == ri->ri_nextout) 3204 break; 3205 3206 /* 3207 * 90% of the packets will fit in one descriptor. So we optimize 3208 * for that case. 3209 */ 3210 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3211 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3212#ifdef DIAGNOSTIC 3213 if (ml_empty(&sc->tulip_rxq)) 3214 panic("%s: tulip_rxq empty", sc->tulip_if.if_xname); 3215#endif 3216 ms = ml_dequeue(&sc->tulip_rxq); 3217 me = ms; 3218 } else { 3219 /* 3220 * If still owned by the TULIP, don't touch it. 3221 */ 3222 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3223 break; 3224 3225 /* 3226 * It is possible (though improbable unless MCLBYTES < 1518) for 3227 * a received packet to cross more than one receive descriptor. 3228 */ 3229 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3230 if (++eop == ri->ri_last) 3231 eop = ri->ri_first; 3232 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3233 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3234 TULIP_PERFEND(rxget); 3235 goto out; 3236 } 3237 total_len++; 3238 } 3239 3240 /* 3241 * Dequeue the first buffer for the start of the packet. Hopefully 3242 * this will be the only one we need to dequeue. However, if the 3243 * packet consumed multiple descriptors, then we need to dequeue 3244 * those buffers and chain to the starting mbuf. All buffers but 3245 * the last buffer have the same length so we can set that now. 3246 * (we add to last_offset instead of multiplying since we normally 3247 * won't go into the loop and thereby saving a ourselves from 3248 * doing a multiplication by 0 in the normal case). 3249 */ 3250 ms = ml_dequeue(&sc->tulip_rxq); 3251 for (me = ms; total_len > 0; total_len--) { 3252 map = TULIP_GETCTX(me, bus_dmamap_t); 3253 TULIP_RXMAP_POSTSYNC(sc, map); 3254 bus_dmamap_unload(sc->tulip_dmatag, map); 3255 tulip_free_rxmap(sc, map); 3256 me->m_len = TULIP_RX_BUFLEN; 3257 last_offset += TULIP_RX_BUFLEN; 3258 me->m_next = ml_dequeue(&sc->tulip_rxq); 3259 me = me->m_next; 3260 } 3261 } 3262 3263 /* 3264 * Now get the size of received packet (minus the CRC). 3265 */ 3266 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3267 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3268 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0)) { 3269 me->m_len = total_len - last_offset; 3270 3271 map = TULIP_GETCTX(me, bus_dmamap_t); 3272 bus_dmamap_sync(sc->tulip_dmatag, map, 0, me->m_len, 3273 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 3274 bus_dmamap_unload(sc->tulip_dmatag, map); 3275 tulip_free_rxmap(sc, map); 3276 sc->tulip_flags |= TULIP_RXACT; 3277 accept = 1; 3278 } else { 3279 ifp->if_ierrors++; 3280 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) 3281 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3282 else { 3283#ifdef TULIP_DEBUG 3284 const char *error = NULL; 3285 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3286 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3287 error = "frame too long"; 3288 } 3289 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3290 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3291 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3292 error = "alignment error"; 3293 } else { 3294 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3295 error = "bad crc"; 3296 } 3297 } 3298 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3299 printf(TULIP_PRINTF_FMT ": receive: %s: %s\n", 3300 TULIP_PRINTF_ARGS, 3301 ether_sprintf(mtod(ms, u_char *) + 6), 3302 error); 3303 sc->tulip_flags |= TULIP_NOMESSAGES; 3304 } 3305#endif 3306 } 3307 3308 map = TULIP_GETCTX(me, bus_dmamap_t); 3309 bus_dmamap_unload(sc->tulip_dmatag, map); 3310 tulip_free_rxmap(sc, map); 3311 } 3312#if defined(TULIP_DEBUG) 3313 cnt++; 3314#endif 3315 if (++eop == ri->ri_last) 3316 eop = ri->ri_first; 3317 ri->ri_nextin = eop; 3318 queue_mbuf: 3319 /* 3320 * Either we are priming the TULIP with mbufs (m == NULL) 3321 * or we are about to accept an mbuf for the upper layers 3322 * so we need to allocate an mbuf to replace it. If we 3323 * can't replace it, send up it anyways. This may cause 3324 * us to drop packets in the future but that's better than 3325 * being caught in livelock. 3326 * 3327 * Note that if this packet crossed multiple descriptors 3328 * we don't even try to reallocate all the mbufs here. 3329 * Instead we rely on the test of the beginning of 3330 * the loop to refill for the extra consumed mbufs. 3331 */ 3332 if (accept || ms == NULL) { 3333 struct mbuf *m0; 3334 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3335 if (m0 != NULL) { 3336#if defined(TULIP_COPY_RXDATA) 3337 if (!accept || total_len >= (MHLEN - 2)) { 3338#endif 3339 MCLGET(m0, M_DONTWAIT); 3340 if ((m0->m_flags & M_EXT) == 0) { 3341 m_freem(m0); 3342 m0 = NULL; 3343 } 3344#if defined(TULIP_COPY_RXDATA) 3345 } 3346#endif 3347 } 3348 if (accept 3349#if defined(TULIP_COPY_RXDATA) 3350 && m0 != NULL 3351#endif 3352 ) { 3353#if !defined(TULIP_COPY_RXDATA) 3354 ms->m_pkthdr.len = total_len; 3355 ml_enqueue(&ml, ms); 3356#else 3357 m0->m_data += 2; /* align data after header */ 3358 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3359 m0->m_len = m0->m_pkthdr.len = total_len; 3360 ml_enqueue(&ml, m0); 3361 m0 = ms; 3362#endif 3363 } 3364 ms = m0; 3365 } 3366 if (ms == NULL) { 3367 /* 3368 * Couldn't allocate a new buffer. Don't bother 3369 * trying to replenish the receive queue. 3370 */ 3371 fillok = 0; 3372 sc->tulip_flags |= TULIP_RXBUFSLOW; 3373#if defined(TULIP_DEBUG) 3374 sc->tulip_dbg.dbg_rxlowbufs++; 3375#endif 3376 TULIP_PERFEND(rxget); 3377 continue; 3378 } 3379 /* 3380 * Now give the buffer(s) to the TULIP and save in our 3381 * receive queue. 3382 */ 3383 do { 3384 tulip_desc_t * const nextout = ri->ri_nextout; 3385 if (sc->tulip_num_free_rxmaps > 0) { 3386 map = tulip_alloc_rxmap(sc); 3387 } else { 3388 m_freem(ms); 3389 sc->tulip_flags |= TULIP_RXBUFSLOW; 3390#if defined(TULIP_DEBUG) 3391 sc->tulip_dbg.dbg_rxlowbufs++; 3392#endif 3393 break; 3394 } 3395 TULIP_SETCTX(ms, map); 3396 error = bus_dmamap_load(sc->tulip_dmatag, map, mtod(ms, void *), 3397 TULIP_RX_BUFLEN, NULL, BUS_DMA_NOWAIT); 3398 if (error) { 3399 printf(TULIP_PRINTF_FMT ": unable to load rx map, " 3400 "error = %d\n", TULIP_PRINTF_ARGS, error); 3401 panic("tulip_rx_intr"); /* XXX */ 3402 } 3403 nextout->d_addr1 = map->dm_segs[0].ds_addr; 3404 nextout->d_length1 = map->dm_segs[0].ds_len; 3405 if (map->dm_nsegs == 2) { 3406 nextout->d_addr2 = map->dm_segs[1].ds_addr; 3407 nextout->d_length2 = map->dm_segs[1].ds_len; 3408 } else { 3409 nextout->d_addr2 = 0; 3410 nextout->d_length2 = 0; 3411 } 3412 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(*nextout)); 3413 nextout->d_status = TULIP_DSTS_OWNER; 3414 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3415 if (++ri->ri_nextout == ri->ri_last) 3416 ri->ri_nextout = ri->ri_first; 3417 me = ms->m_next; 3418 ms->m_next = NULL; 3419 ml_enqueue(&sc->tulip_rxq, ms); 3420 } while ((ms = me) != NULL); 3421 3422 if (ml_len(&sc->tulip_rxq) >= TULIP_RXQ_TARGET) 3423 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3424 TULIP_PERFEND(rxget); 3425 } 3426out: 3427 if_input(ifp, &ml); 3428 3429#if defined(TULIP_DEBUG) 3430 sc->tulip_dbg.dbg_rxintrs++; 3431 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3432#endif 3433 TULIP_PERFEND(rxintr); 3434} 3435 3436int 3437tulip_tx_intr(tulip_softc_t * const sc) 3438{ 3439 TULIP_PERFSTART(txintr) 3440 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3441 struct mbuf *m; 3442 int xmits = 0; 3443 int descs = 0; 3444 3445 while (ri->ri_free < ri->ri_max) { 3446 u_int32_t d_flag; 3447 3448 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3449 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3450 break; 3451 3452 ri->ri_free++; 3453 descs++; 3454 d_flag = ri->ri_nextin->d_flag; 3455 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3456 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3457 /* 3458 * We've just finished processing a setup packet. 3459 * Mark that we finished it. If there's not 3460 * another pending, startup the TULIP receiver. 3461 * Make sure we ack the RXSTOPPED so we won't get 3462 * an abnormal interrupt indication. 3463 */ 3464 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3465 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3466 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3467 sc->tulip_flags |= TULIP_HASHONLY; 3468 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3469 tulip_rx_intr(sc); 3470 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3471 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3472 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3473 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3474 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3475 } 3476 } else { 3477 const u_int32_t d_status = ri->ri_nextin->d_status; 3478 m = ml_dequeue(&sc->tulip_txq); 3479 if (m != NULL) { 3480 bus_dmamap_t map = TULIP_GETCTX(m, bus_dmamap_t); 3481 TULIP_TXMAP_POSTSYNC(sc, map); 3482 tulip_free_txmap(sc, map); 3483#if NBPFILTER > 0 3484 if (sc->tulip_bpf != NULL) 3485 bpf_mtap(sc->tulip_if.if_bpf, m, BPF_DIRECTION_OUT); 3486#endif 3487 m_freem(m); 3488 } 3489 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3490 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3491 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3492#if defined(TULIP_DEBUG) 3493 if (d_status & TULIP_DSTS_TxNOCARR) 3494 sc->tulip_dbg.dbg_txprobe_nocarr++; 3495 if (d_status & TULIP_DSTS_TxEXCCOLL) 3496 sc->tulip_dbg.dbg_txprobe_exccoll++; 3497#endif 3498 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3499 } 3500 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3501 /* 3502 * Escape from the loop before media poll has reset the TULIP! 3503 */ 3504 break; 3505 } else { 3506 xmits++; 3507 if (d_status & TULIP_DSTS_ERRSUM) { 3508 sc->tulip_if.if_oerrors++; 3509 if (d_status & TULIP_DSTS_TxEXCCOLL) 3510 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3511 if (d_status & TULIP_DSTS_TxLATECOLL) 3512 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3513 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3514 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3515 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3516 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3517 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3518 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3519 if (d_status & TULIP_DSTS_TxBABBLE) 3520 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3521 } else { 3522 u_int32_t collisions = 3523 (d_status & TULIP_DSTS_TxCOLLMASK) 3524 >> TULIP_DSTS_V_TxCOLLCNT; 3525 sc->tulip_if.if_collisions += collisions; 3526 if (collisions == 1) 3527 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3528 else if (collisions > 1) 3529 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3530 else if (d_status & TULIP_DSTS_TxDEFERRED) 3531 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3532 /* 3533 * SQE is only valid for 10baseT/BNC/AUI when not 3534 * running in full-duplex. In order to speed up the 3535 * test, the corresponding bit in tulip_flags needs to 3536 * set as well to get us to count SQE Test Errors. 3537 */ 3538 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3539 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3540 } 3541 } 3542 } 3543 } 3544 3545 if (++ri->ri_nextin == ri->ri_last) 3546 ri->ri_nextin = ri->ri_first; 3547 3548 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3549 ifq_clr_oactive(&sc->tulip_if.if_snd); 3550 } 3551 /* 3552 * If nothing left to transmit, disable the timer. 3553 * Else if progress, reset the timer back to 2 ticks. 3554 */ 3555 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3556 sc->tulip_txtimer = 0; 3557 else if (xmits > 0) 3558 sc->tulip_txtimer = TULIP_TXTIMER; 3559 TULIP_PERFEND(txintr); 3560 return (descs); 3561} 3562 3563void 3564tulip_print_abnormal_interrupt(tulip_softc_t * const sc, u_int32_t csr) 3565{ 3566#ifdef TULIP_DEBUG 3567 const char * const *msgp = tulip_status_bits; 3568 const char *sep; 3569 u_int32_t mask; 3570 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024\0"; 3571 3572 csr &= (1 << (nitems(tulip_status_bits))) - 1; 3573 printf(TULIP_PRINTF_FMT ": abnormal interrupt:", TULIP_PRINTF_ARGS); 3574 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3575 if ((csr & mask) && *msgp != NULL) { 3576 printf("%s%s", sep, *msgp); 3577 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3578 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3579 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) 3580 printf(" (switching to store-and-forward mode)"); 3581 else { 3582 printf(" (raising TX threshold to %s)", 3583 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3584 } 3585 } 3586 sep = ", "; 3587 } 3588 } 3589 printf("\n"); 3590#endif 3591} 3592 3593void 3594tulip_intr_handler(tulip_softc_t * const sc, int *progress_p) 3595{ 3596 TULIP_PERFSTART(intr) 3597 u_int32_t csr; 3598 3599 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3600 *progress_p = 1; 3601 TULIP_CSR_WRITE(sc, csr_status, csr); 3602 3603 if (csr & TULIP_STS_SYSERROR) { 3604 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3605 if (sc->tulip_flags & TULIP_NOMESSAGES) 3606 sc->tulip_flags |= TULIP_SYSTEMERROR; 3607 else { 3608#if defined(TULIP_DEBUG) 3609 printf(TULIP_PRINTF_FMT ": system error: %s\n", 3610 TULIP_PRINTF_ARGS, 3611 tulip_system_errors[sc->tulip_last_system_error]); 3612#endif 3613 } 3614 sc->tulip_flags |= TULIP_NEEDRESET; 3615 sc->tulip_system_errors++; 3616 break; 3617 } 3618 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3619#if defined(TULIP_DEBUG) 3620 sc->tulip_dbg.dbg_link_intrs++; 3621#endif 3622 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3623 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3624 ? TULIP_MEDIAPOLL_LINKFAIL 3625 : TULIP_MEDIAPOLL_LINKPASS); 3626 csr &= ~TULIP_STS_ABNRMLINTR; 3627 } 3628 tulip_media_print(sc); 3629 } 3630 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3631 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3632 if (csr & TULIP_STS_RXNOBUF) 3633 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3634 /* 3635 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3636 * on receive overflows. 3637 */ 3638 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3639 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3640 /* 3641 * Stop the receiver process and spin until it's stopped. 3642 * Tell rx_intr to drop the packets it dequeues. 3643 */ 3644 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3645 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3646 ; 3647 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3648 sc->tulip_flags |= TULIP_RXIGNORE; 3649 } 3650 tulip_rx_intr(sc); 3651 if (sc->tulip_flags & TULIP_RXIGNORE) { 3652 /* 3653 * Restart the receiver. 3654 */ 3655 sc->tulip_flags &= ~TULIP_RXIGNORE; 3656 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3657 } 3658 } 3659 if (csr & TULIP_STS_ABNRMLINTR) { 3660 u_int32_t tmp = csr & sc->tulip_intrmask 3661 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3662 if (csr & TULIP_STS_TXUNDERFLOW) { 3663#if defined(TULIP_DEBUG) 3664 printf ("Underflow interrupt\n"); 3665#endif 3666 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3667 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3668 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3669 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3670 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3671 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3672 } 3673 } 3674 if (sc->tulip_flags & TULIP_NOMESSAGES) 3675 sc->tulip_statusbits |= tmp; 3676 else { 3677 tulip_print_abnormal_interrupt(sc, tmp); 3678 sc->tulip_flags |= TULIP_NOMESSAGES; 3679 } 3680 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3681 } 3682 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3683 tulip_tx_intr(sc); 3684 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3685 tulip_ifstart(&sc->tulip_if); 3686 } 3687 } 3688 if (sc->tulip_flags & TULIP_NEEDRESET) { 3689 tulip_reset(sc); 3690 tulip_init(sc); 3691 } 3692 TULIP_PERFEND(intr); 3693} 3694 3695int 3696tulip_intr_shared(void *arg) 3697{ 3698 tulip_softc_t * sc = arg; 3699 int progress = 0; 3700 3701 for (; sc != NULL; sc = sc->tulip_slaves) { 3702#if defined(TULIP_DEBUG) 3703 sc->tulip_dbg.dbg_intrs++; 3704#endif 3705 tulip_intr_handler(sc, &progress); 3706 } 3707 return (progress); 3708} 3709 3710int 3711tulip_intr_normal(void *arg) 3712{ 3713 tulip_softc_t * sc = (tulip_softc_t *) arg; 3714 int progress = 0; 3715 3716#if defined(TULIP_DEBUG) 3717 sc->tulip_dbg.dbg_intrs++; 3718#endif 3719 tulip_intr_handler(sc, &progress); 3720 3721 return (progress); 3722} 3723 3724struct mbuf * 3725tulip_mbuf_compress(struct mbuf *m) 3726{ 3727 struct mbuf *m0; 3728#if MCLBYTES >= ETHERMTU + 18 3729 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3730 if (m0 != NULL) { 3731 if (m->m_pkthdr.len > MHLEN) { 3732 MCLGET(m0, M_DONTWAIT); 3733 if ((m0->m_flags & M_EXT) == 0) { 3734 m_freem(m); 3735 m_freem(m0); 3736 return (NULL); 3737 } 3738 } 3739 m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); 3740 m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; 3741 } 3742#else 3743 int mlen = MHLEN; 3744 int len = m->m_pkthdr.len; 3745 struct mbuf **mp = &m0; 3746 3747 while (len > 0) { 3748 if (mlen == MHLEN) 3749 MGETHDR(*mp, M_DONTWAIT, MT_DATA); 3750 else 3751 MGET(*mp, M_DONTWAIT, MT_DATA); 3752 if (*mp == NULL) { 3753 m_freem(m0); 3754 m0 = NULL; 3755 break; 3756 } 3757 if (len > MLEN) { 3758 MCLGET(*mp, M_DONTWAIT); 3759 if (((*mp)->m_flags & M_EXT) == 0) { 3760 m_freem(m0); 3761 m0 = NULL; 3762 break; 3763 } 3764 (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES; 3765 else 3766 (*mp)->m_len = len <= mlen ? len : mlen; 3767 m_copydata(m, m->m_pkthdr.len - len, 3768 (*mp)->m_len, mtod((*mp), caddr_t)); 3769 len -= (*mp)->m_len; 3770 mp = &(*mp)->m_next; 3771 mlen = MLEN; 3772 } 3773#endif 3774 m_freem(m); 3775 return (m0); 3776} 3777 3778struct mbuf * 3779tulip_txput(tulip_softc_t * const sc, struct mbuf *m, int notonqueue) 3780{ 3781 TULIP_PERFSTART(txput) 3782 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3783 tulip_desc_t *eop, *nextout; 3784 int segcnt, freedescs; 3785 u_int32_t d_status; 3786 bus_dmamap_t map; 3787 struct ifnet *ifp = &sc->tulip_if; 3788 3789#if defined(TULIP_DEBUG) 3790 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 3791 printf(TULIP_PRINTF_FMT ": txput%s: tx not running\n", 3792 TULIP_PRINTF_ARGS, 3793 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 3794 sc->tulip_flags |= TULIP_WANTTXSTART; 3795 sc->tulip_dbg.dbg_txput_finishes[0]++; 3796 goto finish; 3797 } 3798#endif 3799 3800 /* 3801 * Now we try to fill in our transmit descriptors. This is 3802 * a bit reminiscent of going on the Ark two by two 3803 * since each descriptor for the TULIP can describe 3804 * two buffers. So we advance through packet filling 3805 * each of the two entries at a time to to fill each 3806 * descriptor. Clear the first and last segment bits 3807 * in each descriptor (actually just clear everything 3808 * but the end-of-ring or chain bits) to make sure 3809 * we don't get messed up by previously sent packets. 3810 * 3811 * We may fail to put the entire packet on the ring if 3812 * there is either not enough ring entries free or if the 3813 * packet has more than MAX_TXSEG segments. In the former 3814 * case we will just wait for the ring to empty. In the 3815 * latter case we have to recopy. 3816 */ 3817 d_status = 0; 3818 eop = nextout = ri->ri_nextout; 3819 segcnt = 0; 3820 freedescs = ri->ri_free; 3821 3822 /* 3823 * Reclaim some DMA maps from if we are out. 3824 */ 3825 if (sc->tulip_num_free_txmaps == 0) { 3826#if defined(TULIP_DEBUG) 3827 sc->tulip_dbg.dbg_no_txmaps++; 3828#endif 3829 freedescs += tulip_tx_intr(sc); 3830 } 3831 if (sc->tulip_num_free_txmaps > 0) 3832 map = tulip_alloc_txmap(sc); 3833 else { 3834 sc->tulip_flags |= TULIP_WANTTXSTART; 3835#if defined(TULIP_DEBUG) 3836 sc->tulip_dbg.dbg_txput_finishes[1]++; 3837#endif 3838 goto finish; 3839 } 3840 switch (bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT)) { 3841 case 0: 3842 break; 3843 case EFBIG: 3844 /* 3845 * The packet exceeds the number of transmit buffer 3846 * entries that we can use for one packet, so we have 3847 * to recopy it into one mbuf and then try again. 3848 */ 3849 if (m_defrag(m, M_DONTWAIT) == 0 && 3850 bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT) == 0) 3851 break; 3852 /* FALLTHROUGH */ 3853 default: 3854 tulip_free_txmap(sc, map); 3855 goto finish; 3856 } 3857 3858 if ((freedescs -= (map->dm_nsegs + 1) / 2) <= 0 3859 /* 3860 * See if there's any unclaimed space in the transmit ring. 3861 */ 3862 && (freedescs += tulip_tx_intr(sc)) <= 0) { 3863 /* 3864 * There's no more room but since nothing 3865 * has been committed at this point, just 3866 * show output is active, put back the 3867 * mbuf and return. 3868 */ 3869 sc->tulip_flags |= TULIP_WANTTXSTART; 3870#if defined(TULIP_DEBUG) 3871 sc->tulip_dbg.dbg_txput_finishes[4]++; 3872#endif 3873 bus_dmamap_unload(sc->tulip_dmatag, map); 3874 tulip_free_txmap(sc, map); 3875 goto finish; 3876 } 3877 for (; map->dm_nsegs - segcnt > 1; segcnt += 2) { 3878 eop = nextout; 3879 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3880 eop->d_status = d_status; 3881 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 3882 eop->d_length1 = map->dm_segs[segcnt].ds_len; 3883 eop->d_addr2 = map->dm_segs[segcnt+1].ds_addr; 3884 eop->d_length2 = map->dm_segs[segcnt+1].ds_len; 3885 d_status = TULIP_DSTS_OWNER; 3886 if (++nextout == ri->ri_last) 3887 nextout = ri->ri_first; 3888 } 3889 if (segcnt < map->dm_nsegs) { 3890 eop = nextout; 3891 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3892 eop->d_status = d_status; 3893 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 3894 eop->d_length1 = map->dm_segs[segcnt].ds_len; 3895 eop->d_addr2 = 0; 3896 eop->d_length2 = 0; 3897 if (++nextout == ri->ri_last) 3898 nextout = ri->ri_first; 3899 } 3900 TULIP_TXMAP_PRESYNC(sc, map); 3901 3902 /* 3903 * The descriptors have been filled in. Now get ready 3904 * to transmit. 3905 */ 3906 if (!notonqueue) 3907 ifq_deq_commit(&ifp->if_snd, m); 3908 3909 TULIP_SETCTX(m, map); 3910 map = NULL; 3911 3912 ml_enqueue(&sc->tulip_txq, m); 3913 m = NULL; 3914 3915 /* 3916 * Make sure the next descriptor after this packet is owned 3917 * by us since it may have been set up above if we ran out 3918 * of room in the ring. 3919 */ 3920 nextout->d_status = 0; 3921 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 3922 3923 /* 3924 * Mark the last and first segments, indicate we want a transmit 3925 * complete interrupt, and tell it to transmit! 3926 */ 3927 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 3928 3929 /* 3930 * Note that ri->ri_nextout is still the start of the packet 3931 * and until we set the OWNER bit, we can still back out of 3932 * everything we have done. 3933 */ 3934 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 3935 if (eop < ri->ri_nextout) { 3936 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 3937 (caddr_t) ri->ri_last - (caddr_t) ri->ri_nextout); 3938 TULIP_TXDESC_PRESYNC(sc, ri->ri_first, 3939 (caddr_t) (eop + 1) - (caddr_t) ri->ri_first); 3940 } else { 3941 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 3942 (caddr_t) (eop + 1) - (caddr_t) ri->ri_nextout); 3943 } 3944 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 3945 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 3946 3947 /* 3948 * This advances the ring for us. 3949 */ 3950 ri->ri_nextout = nextout; 3951 ri->ri_free = freedescs; 3952 3953 TULIP_PERFEND(txput); 3954 3955 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3956 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3957 ifq_set_oactive(&sc->tulip_if.if_snd); 3958 TULIP_PERFEND(txput); 3959 return (NULL); 3960 } 3961 3962 /* 3963 * switch back to the single queueing ifstart. 3964 */ 3965 sc->tulip_flags &= ~TULIP_WANTTXSTART; 3966 if (sc->tulip_txtimer == 0) 3967 sc->tulip_txtimer = TULIP_TXTIMER; 3968#if defined(TULIP_DEBUG) 3969 sc->tulip_dbg.dbg_txput_finishes[5]++; 3970#endif 3971 3972 /* 3973 * If we want a txstart, there must be not enough space in the 3974 * transmit ring. So we want to enable transmit done interrupts 3975 * so we can immediately reclaim some space. When the transmit 3976 * interrupt is posted, the interrupt handler will call tx_intr 3977 * to reclaim space and then txstart (since WANTTXSTART is set). 3978 * txstart will move the packet into the transmit ring and clear 3979 * WANTTXSTART thereby causing TXINTR to be cleared. 3980 */ 3981 finish: 3982#if defined(TULIP_DEBUG) 3983 sc->tulip_dbg.dbg_txput_finishes[6]++; 3984#endif 3985 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 3986 ifq_set_oactive(&sc->tulip_if.if_snd); 3987 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 3988 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3989 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3990 } 3991 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 3992 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 3993 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 3994 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3995 } 3996 } 3997 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3998 TULIP_PERFEND(txput); 3999 return (m); 4000} 4001 4002void 4003tulip_txput_setup(tulip_softc_t * const sc) 4004{ 4005 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4006 tulip_desc_t *nextout; 4007 4008 /* 4009 * We will transmit, at most, one setup packet per call to ifstart. 4010 */ 4011 4012#if defined(TULIP_DEBUG) 4013 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4014 printf(TULIP_PRINTF_FMT ": txput_setup: tx not running\n", 4015 TULIP_PRINTF_ARGS); 4016 sc->tulip_flags |= TULIP_WANTTXSTART; 4017 return; 4018 } 4019#endif 4020 /* 4021 * Try to reclaim some free descriptors.. 4022 */ 4023 if (ri->ri_free < 2) 4024 tulip_tx_intr(sc); 4025 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4026 sc->tulip_flags |= TULIP_WANTTXSTART; 4027 return; 4028 } 4029 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4030 sizeof(sc->tulip_setupdata)); 4031 /* 4032 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 4033 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4034 */ 4035 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4036 ri->ri_free--; 4037 nextout = ri->ri_nextout; 4038 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4039 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4040 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4041 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4042 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 4043 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4044 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4045 4046 nextout->d_length2 = 0; 4047 nextout->d_addr2 = 0; 4048 nextout->d_length1 = sc->tulip_setupmap->dm_segs[0].ds_len; 4049 nextout->d_addr1 = sc->tulip_setupmap->dm_segs[0].ds_addr; 4050 if (sc->tulip_setupmap->dm_nsegs == 2) { 4051 nextout->d_length2 = sc->tulip_setupmap->dm_segs[1].ds_len; 4052 nextout->d_addr2 = sc->tulip_setupmap->dm_segs[1].ds_addr; 4053 } 4054 TULIP_TXMAP_PRESYNC(sc, sc->tulip_setupmap); 4055 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(*nextout)); 4056 4057 /* 4058 * Advance the ring for the next transmit packet. 4059 */ 4060 if (++ri->ri_nextout == ri->ri_last) 4061 ri->ri_nextout = ri->ri_first; 4062 4063 /* 4064 * Make sure the next descriptor is owned by us since it 4065 * may have been set up above if we ran out of room in the 4066 * ring. 4067 */ 4068 ri->ri_nextout->d_status = 0; 4069 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4070 nextout->d_status = TULIP_DSTS_OWNER; 4071 /* 4072 * Flush the ownership of the current descriptor 4073 */ 4074 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4075 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4076 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4077 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4078 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4079 } 4080} 4081 4082/* 4083 * This routine is entered at splnet(). 4084 */ 4085int 4086tulip_ifioctl(struct ifnet * ifp, u_long cmd, caddr_t data) 4087{ 4088 TULIP_PERFSTART(ifioctl) 4089 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4090 struct ifreq *ifr = (struct ifreq *) data; 4091 int s; 4092 int error = 0; 4093 4094 s = splnet(); 4095 4096 switch (cmd) { 4097 case SIOCSIFADDR: { 4098 ifp->if_flags |= IFF_UP; 4099 tulip_init(sc); 4100 break; 4101 } 4102 4103 case SIOCSIFFLAGS: { 4104 tulip_init(sc); 4105 break; 4106 } 4107 4108 case SIOCSIFMEDIA: 4109 case SIOCGIFMEDIA: { 4110 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4111 break; 4112 } 4113 4114 default: 4115 error = ether_ioctl(ifp, &sc->tulip_ac, cmd, data); 4116 } 4117 4118 if (error == ENETRESET) { 4119 if (ifp->if_flags & IFF_RUNNING) { 4120 tulip_addr_filter(sc); /* reset multicast filtering */ 4121 tulip_init(sc); 4122 } 4123 error = 0; 4124 } 4125 4126 splx(s); 4127 TULIP_PERFEND(ifioctl); 4128 return (error); 4129} 4130 4131/* 4132 * the original dequeueing policy is dequeue-and-prepend if something 4133 * goes wrong. 4134 * the modification becomes a bit complicated since tulip_txput() might 4135 * copy and modify the mbuf passed. 4136 */ 4137 4138void 4139tulip_ifstart(struct ifnet * const ifp) 4140{ 4141 TULIP_PERFSTART(ifstart) 4142 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4143 struct mbuf *m, *m0; 4144 4145 if (sc->tulip_if.if_flags & IFF_RUNNING) { 4146 4147 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4148 tulip_txput_setup(sc); 4149 4150 for (;;) { 4151 m = ifq_deq_begin(&sc->tulip_if.if_snd); 4152 if (m == NULL) 4153 break; 4154 m0 = tulip_txput(sc, m, 0); 4155 if (m0 != NULL) { 4156 KASSERT(m == m0); 4157 ifq_deq_rollback(&sc->tulip_if.if_snd, m); 4158 break; 4159 } 4160 } 4161 } 4162 4163 TULIP_PERFEND(ifstart); 4164} 4165 4166void 4167tulip_ifwatchdog(struct ifnet *ifp) 4168{ 4169 TULIP_PERFSTART(ifwatchdog) 4170 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4171 4172#if defined(TULIP_DEBUG) 4173 u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4174 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4175 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4176 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4177#endif /* TULIP_DEBUG */ 4178 4179 sc->tulip_if.if_timer = 1; 4180 /* 4181 * These should be rare so do a bulk test up front so we can just skip 4182 * them if needed. 4183 */ 4184 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4185 /* 4186 * If the number of receive buffer is low, try to refill 4187 */ 4188 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4189 tulip_rx_intr(sc); 4190 4191#if defined(TULIP_DEBUG) 4192 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4193 printf(TULIP_PRINTF_FMT ": %d system errors: last was %s\n", 4194 TULIP_PRINTF_ARGS, sc->tulip_system_errors, 4195 tulip_system_errors[sc->tulip_last_system_error]); 4196 } 4197#endif 4198 if (sc->tulip_statusbits) { 4199 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4200 sc->tulip_statusbits = 0; 4201 } 4202 4203 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4204 } 4205 4206 if (sc->tulip_txtimer) 4207 tulip_tx_intr(sc); 4208 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4209 printf(TULIP_PRINTF_FMT ": transmission timeout\n", TULIP_PRINTF_ARGS); 4210 if (TULIP_DO_AUTOSENSE(sc)) { 4211 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4212 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4213 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4214 } 4215 tulip_reset(sc); 4216 tulip_init(sc); 4217 } 4218 4219 TULIP_PERFEND(ifwatchdog); 4220 TULIP_PERFMERGE(sc, perf_intr_cycles); 4221 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4222 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4223 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 4224 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4225 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4226 TULIP_PERFMERGE(sc, perf_txput_cycles); 4227 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4228 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4229 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4230 TULIP_PERFMERGE(sc, perf_intr); 4231 TULIP_PERFMERGE(sc, perf_ifstart); 4232 TULIP_PERFMERGE(sc, perf_ifioctl); 4233 TULIP_PERFMERGE(sc, perf_ifwatchdog); 4234 TULIP_PERFMERGE(sc, perf_timeout); 4235 TULIP_PERFMERGE(sc, perf_ifstart_one); 4236 TULIP_PERFMERGE(sc, perf_txput); 4237 TULIP_PERFMERGE(sc, perf_txintr); 4238 TULIP_PERFMERGE(sc, perf_rxintr); 4239 TULIP_PERFMERGE(sc, perf_rxget); 4240} 4241 4242/* 4243 * All printf's are real as of now! 4244 */ 4245#ifdef printf 4246#undef printf 4247#endif 4248 4249int 4250tulip_busdma_allocmem(tulip_softc_t * const sc, size_t size, 4251 bus_dmamap_t *map_p, tulip_desc_t **desc_p) 4252{ 4253 bus_dma_segment_t segs[1]; 4254 int nsegs, error; 4255 error = bus_dmamem_alloc(sc->tulip_dmatag, size, 1, PAGE_SIZE, 4256 segs, sizeof(segs)/sizeof(segs[0]), 4257 &nsegs, BUS_DMA_NOWAIT); 4258 if (error == 0) { 4259 void *desc; 4260 error = bus_dmamem_map(sc->tulip_dmatag, segs, nsegs, size, 4261 (void *) &desc, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 4262 if (error == 0) { 4263 bus_dmamap_t map; 4264 error = bus_dmamap_create(sc->tulip_dmatag, size, 1, size, 0, 4265 BUS_DMA_NOWAIT, &map); 4266 if (error == 0) { 4267 error = bus_dmamap_load(sc->tulip_dmatag, map, desc, 4268 size, NULL, BUS_DMA_NOWAIT); 4269 if (error) 4270 bus_dmamap_destroy(sc->tulip_dmatag, map); 4271 else 4272 *map_p = map; 4273 } 4274 if (error) 4275 bus_dmamem_unmap(sc->tulip_dmatag, desc, size); 4276 } 4277 if (error) 4278 bus_dmamem_free(sc->tulip_dmatag, segs, nsegs); 4279 else 4280 *desc_p = desc; 4281 } 4282 return (error); 4283} 4284 4285int 4286tulip_busdma_init(tulip_softc_t * const sc) 4287{ 4288 int error = 0; 4289 4290 /* 4291 * Allocate space and dmamap for setup descriptor 4292 */ 4293 error = tulip_busdma_allocmem(sc, sizeof(sc->tulip_setupdata), 4294 &sc->tulip_setupmap, &sc->tulip_setupbuf); 4295 4296 /* 4297 * Allocate space and dmamap for transmit ring 4298 */ 4299 if (error == 0) { 4300 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_TXDESCS, 4301 &sc->tulip_txdescmap, 4302 &sc->tulip_txdescs); 4303 } 4304 4305 /* 4306 * Allocate dmamaps for each transmit descriptor, and place on the 4307 * free list. 4308 */ 4309 if (error == 0) { 4310 while (error == 0 && sc->tulip_num_free_txmaps < TULIP_TXDESCS) { 4311 bus_dmamap_t map; 4312 if ((error = TULIP_TXMAP_CREATE(sc, &map)) == 0) 4313 tulip_free_txmap(sc, map); 4314 } 4315 if (error) { 4316 while (sc->tulip_num_free_txmaps > 0) 4317 bus_dmamap_destroy(sc->tulip_dmatag, tulip_alloc_txmap(sc)); 4318 } 4319 } 4320 4321 /* 4322 * Allocate space and dmamap for receive ring 4323 */ 4324 if (error == 0) { 4325 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_RXDESCS, 4326 &sc->tulip_rxdescmap, 4327 &sc->tulip_rxdescs); 4328 } 4329 4330 /* 4331 * Allocate dmamaps for each receive descriptor, and place on the 4332 * free list. 4333 */ 4334 if (error == 0) { 4335 while (error == 0 && sc->tulip_num_free_rxmaps < TULIP_RXDESCS) { 4336 bus_dmamap_t map; 4337 if ((error = TULIP_RXMAP_CREATE(sc, &map)) == 0) 4338 tulip_free_rxmap(sc, map); 4339 } 4340 if (error) { 4341 while (sc->tulip_num_free_rxmaps > 0) 4342 bus_dmamap_destroy(sc->tulip_dmatag, tulip_alloc_rxmap(sc)); 4343 } 4344 } 4345 return (error); 4346} 4347 4348void 4349tulip_initcsrs(tulip_softc_t * const sc, bus_addr_t csr_base, size_t csr_size) 4350{ 4351 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 4352 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 4353 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 4354 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 4355 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 4356 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 4357 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 4358 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 4359 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 4360 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 4361 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 4362 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 4363 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 4364 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 4365 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 4366 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 4367} 4368 4369void 4370tulip_initring(tulip_softc_t * const sc, tulip_ringinfo_t * const ri, 4371 tulip_desc_t *descs, int ndescs) 4372{ 4373 ri->ri_max = ndescs; 4374 ri->ri_first = descs; 4375 ri->ri_last = ri->ri_first + ri->ri_max; 4376 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 4377 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 4378} 4379 4380int 4381tulip_probe(struct device *parent, void *match, void *aux) 4382{ 4383 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 4384 4385 if (PCI_VENDORID(pa->pa_id) != DEC_VENDORID) 4386 return (0); 4387 if (PCI_CHIPID(pa->pa_id) == CHIPID_21040 4388 || PCI_CHIPID(pa->pa_id) == CHIPID_21041 4389 || PCI_CHIPID(pa->pa_id) == CHIPID_21140 4390 || PCI_CHIPID(pa->pa_id) == CHIPID_21142) 4391 return (2); 4392 4393 return (0); 4394} 4395 4396void 4397tulip_attach(struct device * const parent, struct device * const self, void * const aux) 4398{ 4399 tulip_softc_t * const sc = (tulip_softc_t *) self; 4400 struct pci_attach_args * const pa = (struct pci_attach_args *) aux; 4401 struct ifnet * const ifp = &sc->tulip_if; 4402 const int unit = sc->tulip_dev.dv_unit; 4403 int retval, idx; 4404 u_int32_t revinfo, cfdainfo, id; 4405 unsigned csroffset = TULIP_PCI_CSROFFSET; 4406 unsigned csrsize = TULIP_PCI_CSRSIZE; 4407 bus_addr_t csr_base; 4408 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 4409 4410 if (unit >= TULIP_MAX_DEVICES) { 4411 printf(": not configured; limit of %d reached or exceeded\n", 4412 TULIP_MAX_DEVICES); 4413 return; 4414 } 4415 4416 ml_init(&sc->tulip_txq); 4417 ml_init(&sc->tulip_rxq); 4418 4419 revinfo = PCI_CONF_READ(PCI_CFRV) & 0xFF; 4420 id = PCI_CONF_READ(PCI_CFID); 4421 cfdainfo = PCI_CONF_READ(PCI_CFDA); 4422 4423 if (PCI_VENDORID(id) == DEC_VENDORID) { 4424 if (PCI_CHIPID(id) == CHIPID_21040) 4425 chipid = TULIP_21040; 4426 else if (PCI_CHIPID(id) == CHIPID_21041) 4427 chipid = TULIP_21041; 4428 else if (PCI_CHIPID(id) == CHIPID_21140) 4429 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 4430 else if (PCI_CHIPID(id) == CHIPID_21142) 4431 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 4432 } 4433 4434 if (chipid == TULIP_CHIPID_UNKNOWN) 4435 return; 4436 4437 if ((chipid == TULIP_21040 || chipid == TULIP_DE425) && revinfo < 0x20) { 4438 printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n", 4439 revinfo >> 4, revinfo & 0x0f); 4440 return; 4441 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 4442 printf(": not configured; 21140 pass 1.1 required (%d.%d found)\n", 4443 revinfo >> 4, revinfo & 0x0f); 4444 return; 4445 } 4446 4447 PCI_GETBUSDEVINFO(sc); 4448 sc->tulip_chipid = chipid; 4449 sc->tulip_flags |= TULIP_DEVICEPROBE; 4450 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 4451 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 4452 if (chipid == TULIP_21140A && revinfo <= 0x22) 4453 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 4454 if (chipid == TULIP_21140) 4455 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 4456 if (chipid != TULIP_21040 && chipid != TULIP_DE425 && chipid != TULIP_21140) 4457 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 4458 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 4459 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 4460 if (chipid != TULIP_21041 || revinfo >= 0x20) 4461 sc->tulip_features |= TULIP_HAVE_SIANWAY; 4462 if (chipid != TULIP_21041) 4463 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 4464 if (chipid != TULIP_21041 && revinfo >= 0x20) 4465 sc->tulip_features |= TULIP_HAVE_SIA100; 4466 } 4467 4468 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 4469 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 4470 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 4471 PCI_CONF_WRITE(PCI_CFDA, cfdainfo); 4472 DELAY(11*1000); 4473 } 4474 4475 if (sc->tulip_features & TULIP_HAVE_STOREFWD) 4476 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 4477 4478 bcopy(self->dv_xname, sc->tulip_if.if_xname, IFNAMSIZ); 4479 sc->tulip_if.if_softc = sc; 4480 sc->tulip_pc = pa->pa_pc; 4481 sc->tulip_dmatag = pa->pa_dmat; 4482 sc->tulip_revinfo = revinfo; 4483 4484 timeout_set(&sc->tulip_stmo, tulip_timeout_callback, sc); 4485 4486 csr_base = 0; 4487 { 4488 bus_space_tag_t iot, memt; 4489 bus_space_handle_t ioh, memh; 4490 int ioh_valid, memh_valid; 4491 4492 ioh_valid = (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 4493 &iot, &ioh, NULL, NULL, 0) == 0); 4494 memh_valid = (pci_mapreg_map(pa, PCI_CBMA, 4495 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, 4496 &memt, &memh, NULL, NULL, 0) == 0); 4497 4498 if (memh_valid) { 4499 sc->tulip_bustag = memt; 4500 sc->tulip_bushandle = memh; 4501 } else if (ioh_valid) { 4502 sc->tulip_bustag = iot; 4503 sc->tulip_bushandle = ioh; 4504 } else { 4505 printf(": unable to map device registers\n"); 4506 return; 4507 } 4508 } 4509 4510 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 4511 4512 if ((retval = tulip_busdma_init(sc)) != 0) { 4513 printf(": error initing bus_dma: %d\n", retval); 4514 return; 4515 } 4516 4517 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 4518 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 4519 4520 /* 4521 * Make sure there won't be any interrupts or such... 4522 */ 4523 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4524 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 4525 33MHz that comes to two microseconds but wait a 4526 bit longer anyways) */ 4527 4528 if ((retval = tulip_read_macaddr(sc)) < 0) { 4529 printf(", %s%s pass %d.%d", sc->tulip_boardid, 4530 tulip_chipdescs[sc->tulip_chipid], 4531 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 4532 printf(": can't read ENET ROM (why=%d) (", retval); 4533 for (idx = 0; idx < 32; idx++) 4534 printf("%02x", sc->tulip_rombuf[idx]); 4535 printf(", address unknown\n"); 4536 } else { 4537 int (*intr_rtn)(void *) = tulip_intr_normal; 4538 4539 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 4540 intr_rtn = tulip_intr_shared; 4541 4542 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 4543 pci_intr_handle_t intrhandle; 4544 const char *intrstr; 4545 4546 if (pci_intr_map(pa, &intrhandle)) { 4547 printf(": couldn't map interrupt\n"); 4548 return; 4549 } 4550 4551 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 4552 sc->tulip_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_NET, 4553 intr_rtn, sc, self->dv_xname); 4554 if (sc->tulip_ih == NULL) { 4555 printf(": couldn't establish interrupt"); 4556 if (intrstr != NULL) 4557 printf(" at %s", intrstr); 4558 printf("\n"); 4559 return; 4560 } 4561 4562 printf(", %s%s pass %d.%d%s: %s, address %s\n", 4563 sc->tulip_boardid, 4564 tulip_chipdescs[sc->tulip_chipid], 4565 (sc->tulip_revinfo & 0xF0) >> 4, 4566 sc->tulip_revinfo & 0x0F, 4567 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4568 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : "", 4569 intrstr, ether_sprintf(sc->tulip_enaddr)); 4570 } 4571 4572 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST; 4573 ifp->if_ioctl = tulip_ifioctl; 4574 ifp->if_start = tulip_ifstart; 4575 ifp->if_watchdog = tulip_ifwatchdog; 4576 ifp->if_timer = 1; 4577 4578 (*sc->tulip_boardsw->bd_media_probe)(sc); 4579 ifmedia_init(&sc->tulip_ifmedia, 0, 4580 tulip_ifmedia_change, tulip_ifmedia_status); 4581 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4582 tulip_ifmedia_add(sc); 4583 4584 tulip_reset(sc); 4585 4586 if_attach(ifp); 4587 ether_ifattach(ifp); 4588 } 4589} 4590