if_ed_pccard.c revision 150104
1/*- 2 * Copyright (c) 1995, David Greenman 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice unmodified, this list of conditions, and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: head/sys/dev/ed/if_ed_pccard.c 150104 2005-09-13 19:09:57Z imp $ 28 */ 29 30#include "opt_ed.h" 31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/socket.h> 35#include <sys/kernel.h> 36#include <sys/conf.h> 37#include <sys/uio.h> 38 39#include <sys/module.h> 40#include <sys/bus.h> 41#include <machine/bus.h> 42#include <sys/rman.h> 43#include <machine/resource.h> 44 45#include <net/ethernet.h> 46#include <net/if.h> 47#include <net/if_arp.h> 48#include <net/if_mib.h> 49#include <net/if_media.h> 50 51#include <dev/ed/if_edreg.h> 52#include <dev/ed/if_edvar.h> 53#include <dev/pccard/pccardvar.h> 54#include <dev/pccard/pccard_cis.h> 55#ifndef ED_NO_MIIBUS 56#include <dev/mii/mii.h> 57#include <dev/mii/miivar.h> 58#endif 59 60#include "card_if.h" 61#ifndef ED_NO_MIIBUS 62/* "device miibus" required. See GENERIC if you get errors here. */ 63#include "miibus_if.h" 64#endif 65#include "pccarddevs.h" 66 67#ifndef ED_NO_MIIBUS 68MODULE_DEPEND(ed, miibus, 1, 1, 1); 69#endif 70MODULE_DEPEND(ed, ether, 1, 1, 1); 71 72/* 73 * PC Cards should be using a network specific FUNCE in the CIS to 74 * communicate their MAC address to the driver. However, there are a 75 * large number of NE-2000ish PC Cards that don't do this. Nearly all 76 * of them store the MAC address at a fixed offset into attribute 77 * memory, without any reference at all appearing in the CIS. And 78 * nearly all of those store it at the same location. 79 * 80 * This applies only to the older, NE-2000 compatbile cards. The newer 81 * cards based on the AX88x90 or DL100XX chipsets have a specific place 82 * to look for MAC information. 83 */ 84#define ED_DEFAULT_MAC_OFFSET 0xff0 85 86static const struct ed_product { 87 struct pccard_product prod; 88 int flags; 89#define NE2000DVF_DL100XX 0x0001 /* chip is D-Link DL10019/22 */ 90#define NE2000DVF_AX88X90 0x0002 /* chip is ASIX AX88[17]90 */ 91#define NE2000DVF_ENADDR 0x0004 /* Get MAC from attr mem */ 92#define NE2000DVF_ANYFUNC 0x0008 /* Allow any function type */ 93#define NE2000DVF_MODEM 0x0010 /* Has a modem/serial */ 94 int enoff; 95} ed_pccard_products[] = { 96 { PCMCIA_CARD(ACCTON, EN2212), 0}, 97 { PCMCIA_CARD(ACCTON, EN2216), 0}, 98 { PCMCIA_CARD(ALLIEDTELESIS, LA_PCM), 0}, 99 { PCMCIA_CARD(AMBICOM, AMB8002T), 0}, 100 { PCMCIA_CARD(BILLIONTON, LNT10TN), 0}, 101 { PCMCIA_CARD(BILLIONTON, CFLT10N), 0}, 102 { PCMCIA_CARD(BROMAX, IPORT), 0}, 103 { PCMCIA_CARD(BROMAX, IPORT2), 0}, 104 { PCMCIA_CARD(BUFFALO, LPC2_CLT), 0}, 105 { PCMCIA_CARD(BUFFALO, LPC3_CLT), 0}, 106 { PCMCIA_CARD(BUFFALO, LPC3_CLX), NE2000DVF_AX88X90}, 107 { PCMCIA_CARD(BUFFALO, LPC4_TX), NE2000DVF_AX88X90}, 108 { PCMCIA_CARD(BUFFALO, LPC_CF_CLT), 0}, 109 { PCMCIA_CARD(CNET, NE2000), 0}, 110 { PCMCIA_CARD(COMPEX, AX88190), NE2000DVF_AX88X90}, 111 { PCMCIA_CARD(COMPEX, LANMODEM), 0}, 112 { PCMCIA_CARD(COMPEX, LINKPORT_ENET_B), 0}, 113 { PCMCIA_CARD(COREGA, ETHER_II_PCC_T), 0}, 114 { PCMCIA_CARD(COREGA, ETHER_II_PCC_TD), 0}, 115 { PCMCIA_CARD(COREGA, ETHER_PCC_T), 0}, 116 { PCMCIA_CARD(COREGA, ETHER_PCC_TD), 0}, 117 { PCMCIA_CARD(COREGA, FAST_ETHER_PCC_TX), NE2000DVF_DL100XX}, 118 { PCMCIA_CARD(COREGA, FETHER_PCC_TXD), NE2000DVF_AX88X90}, 119 { PCMCIA_CARD(COREGA, FETHER_PCC_TXF), NE2000DVF_DL100XX}, 120 { PCMCIA_CARD(DAYNA, COMMUNICARD_E_1), 0}, 121 { PCMCIA_CARD(DAYNA, COMMUNICARD_E_2), 0}, 122 { PCMCIA_CARD(DLINK, DE650), 0}, 123 { PCMCIA_CARD(DLINK, DE660), 0 }, 124 { PCMCIA_CARD(DLINK, DE660PLUS), 0}, 125 { PCMCIA_CARD(DYNALINK, L10C), 0}, 126 { PCMCIA_CARD(EDIMAX, EP4000A), 0}, 127 { PCMCIA_CARD(EPSON, EEN10B), 0}, 128 { PCMCIA_CARD(EXP, THINLANCOMBO), 0}, 129 { PCMCIA_CARD(GREY_CELL, TDK3000), 0}, 130 { PCMCIA_CARD(GREY_CELL, DMF650TX), 131 NE2000DVF_ANYFUNC | NE2000DVF_DL100XX | NE2000DVF_MODEM}, 132 { PCMCIA_CARD(IBM, HOME_AND_AWAY), 0}, 133 { PCMCIA_CARD(IBM, INFOMOVER), NE2000DVF_ENADDR, 0xff0}, 134 { PCMCIA_CARD(IODATA3, PCLAT), 0}, 135 { PCMCIA_CARD(KINGSTON, CIO10T), 0}, 136 { PCMCIA_CARD(KINGSTON, KNE2), 0}, 137 { PCMCIA_CARD(LANTECH, FASTNETTX), NE2000DVF_AX88X90}, 138 { PCMCIA_CARD(LINKSYS, COMBO_ECARD), 139 NE2000DVF_DL100XX | NE2000DVF_AX88X90}, 140 { PCMCIA_CARD(LINKSYS, ECARD_1), 0}, 141 { PCMCIA_CARD(LINKSYS, ECARD_2), 0}, 142 { PCMCIA_CARD(LINKSYS, ETHERFAST), NE2000DVF_DL100XX}, 143 { PCMCIA_CARD(LINKSYS, TRUST_COMBO_ECARD), 0}, 144 { PCMCIA_CARD(MACNICA, ME1_JEIDA), 0}, 145 { PCMCIA_CARD(MAGICRAM, ETHER), 0}, 146 { PCMCIA_CARD(MELCO, LPC3_CLX), NE2000DVF_AX88X90}, 147 { PCMCIA_CARD(MELCO, LPC3_TX), NE2000DVF_AX88X90}, 148 { PCMCIA_CARD(NDC, ND5100_E), 0}, 149 { PCMCIA_CARD(NETGEAR, FA410TXC), NE2000DVF_DL100XX}, 150 /* Same ID as DLINK DFE-670TXD. 670 has DL10022, fa411 has ax88790 */ 151 { PCMCIA_CARD(NETGEAR, FA411), NE2000DVF_AX88X90 | NE2000DVF_DL100XX}, 152 { PCMCIA_CARD(NEXTCOM, NEXTHAWK), 0}, 153 { PCMCIA_CARD(NEWMEDIA, LANSURFER), 0}, 154 { PCMCIA_CARD(OEM2, ETHERNET), 0}, 155 { PCMCIA_CARD(OEM2, NE2000), 0}, 156 { PCMCIA_CARD(PLANET, SMARTCOM2000), 0 }, 157 { PCMCIA_CARD(PREMAX, PE200), 0}, 158 { PCMCIA_CARD(PSION, LANGLOBAL), 0}, 159 { PCMCIA_CARD(RACORE, ETHERNET), 0}, 160 { PCMCIA_CARD(RACORE, FASTENET), NE2000DVF_AX88X90}, 161 { PCMCIA_CARD(RACORE, 8041TX), NE2000DVF_AX88X90}, 162 { PCMCIA_CARD(RELIA, COMBO), 0}, 163 { PCMCIA_CARD(RPTI, EP400), 0}, 164 { PCMCIA_CARD(RPTI, EP401), 0}, 165 { PCMCIA_CARD(SMC, EZCARD), 0}, 166 { PCMCIA_CARD(SOCKET, EA_ETHER), 0}, 167 { PCMCIA_CARD(SOCKET, ES_1000), 0}, 168 { PCMCIA_CARD(SOCKET, LP_ETHER), 0}, 169 { PCMCIA_CARD(SOCKET, LP_ETHER_CF), 0}, 170 { PCMCIA_CARD(SOCKET, LP_ETH_10_100_CF), NE2000DVF_DL100XX}, 171 { PCMCIA_CARD(SVEC, COMBOCARD), 0}, 172 { PCMCIA_CARD(SVEC, LANCARD), 0}, 173 { PCMCIA_CARD(TAMARACK, ETHERNET), 0}, 174 { PCMCIA_CARD(TDK, CFE_10), 0}, 175 { PCMCIA_CARD(TDK, LAK_CD031), 0}, 176 { PCMCIA_CARD(TDK, DFL5610WS), 0}, 177 { PCMCIA_CARD(TELECOMDEVICE, LM5LT), 0 }, 178 { PCMCIA_CARD(TELECOMDEVICE, TCD_HPC100), NE2000DVF_AX88X90}, 179 { PCMCIA_CARD(ZONET, ZEN), 0}, 180 { { NULL } } 181}; 182 183/* 184 * PC Card (PCMCIA) specific code. 185 */ 186static int ed_pccard_probe(device_t); 187static int ed_pccard_attach(device_t); 188 189static int ed_pccard_memread(device_t dev, off_t offset, u_char *byte); 190static int ed_pccard_memwrite(device_t dev, off_t offset, u_char byte); 191 192static int ed_pccard_dl100xx(device_t dev, const struct ed_product *); 193#ifndef ED_NO_MIIBUS 194static void ed_pccard_dl10xx_mii_reset(struct ed_softc *sc); 195static u_int ed_pccard_dl10xx_mii_readbits(struct ed_softc *sc, int nbits); 196static void ed_pccard_dl10xx_mii_writebits(struct ed_softc *sc, u_int val, 197 int nbits); 198#endif 199 200static int ed_pccard_ax88x90(device_t dev, const struct ed_product *); 201 202static int 203ed_pccard_probe(device_t dev) 204{ 205 const struct ed_product *pp; 206 int error; 207 uint32_t fcn = PCCARD_FUNCTION_UNSPEC; 208 209 /* Make sure we're a network function */ 210 error = pccard_get_function(dev, &fcn); 211 if (error != 0) 212 return (error); 213 214 if ((pp = (const struct ed_product *) pccard_product_lookup(dev, 215 (const struct pccard_product *) ed_pccard_products, 216 sizeof(ed_pccard_products[0]), NULL)) != NULL) { 217 if (pp->prod.pp_name != NULL) 218 device_set_desc(dev, pp->prod.pp_name); 219 /* 220 * Some devices don't ID themselves as network, but 221 * that's OK if the flags say so. 222 */ 223 if (!(pp->flags & NE2000DVF_ANYFUNC) && 224 fcn != PCCARD_FUNCTION_NETWORK) 225 return (ENXIO); 226 return (0); 227 } 228 return (ENXIO); 229} 230 231static int 232ed_pccard_rom_mac(device_t dev, uint8_t *enaddr) 233{ 234 struct ed_softc *sc = device_get_softc(dev); 235 uint8_t romdata[16]; 236 int i; 237 238 /* 239 * Read in the rom data at location 0. We should see one of 240 * two patterns. Either you'll see odd locations 0xff and 241 * even locations data, or you'll see odd and even locations 242 * mirror each other. In addition, the last two even locations 243 * should be 0. If they aren't 0, then we'll assume that 244 * there's no valid ROM data on this card and try another method 245 * to recover the MAC address. Since there are no NE-1000 246 * based PC Card devices, we'll assume we're 16-bit. 247 */ 248 ed_pio_readmem(sc, 0, romdata, 16); 249 if (romdata[12] != 0 || romdata[14] != 0) 250 return 0; 251 for (i = 0; i < ETHER_ADDR_LEN; i++) 252 enaddr[i] = romdata[i * 2]; 253 return 1; 254} 255 256static int 257ed_pccard_add_modem(device_t dev) 258{ 259 struct ed_softc *sc = device_get_softc(dev); 260 261 device_printf(dev, "Need to write this code: modem rid is %d\n", 262 sc->modem_rid); 263 return 0; 264} 265 266static int 267ed_pccard_attach(device_t dev) 268{ 269 u_char sum; 270 u_char enaddr[ETHER_ADDR_LEN]; 271 const struct ed_product *pp; 272 int error, i; 273 struct ed_softc *sc = device_get_softc(dev); 274 u_long size; 275 276 if ((pp = (const struct ed_product *) pccard_product_lookup(dev, 277 (const struct pccard_product *) ed_pccard_products, 278 sizeof(ed_pccard_products[0]), NULL)) == NULL) 279 return (ENXIO); 280 sc->modem_rid = -1; 281 if (pp->flags & NE2000DVF_MODEM) { 282 sc->port_rid = -1; 283 for (i = 0; i < 4; i++) { 284 size = bus_get_resource_count(dev, SYS_RES_IOPORT, i); 285 if (size == ED_NOVELL_IO_PORTS) 286 sc->port_rid = i; 287 else if (size == 8) 288 sc->modem_rid = i; 289 } 290 if (sc->port_rid == -1) { 291 device_printf(dev, "Cannot locate my ports!\n"); 292 return (ENXIO); 293 } 294 } else { 295 sc->port_rid = 0; 296 } 297 /* Allocate the port resource during setup. */ 298 error = ed_alloc_port(dev, sc->port_rid, ED_NOVELL_IO_PORTS); 299 if (error) 300 return (error); 301 error = ed_alloc_irq(dev, 0, 0); 302 if (error) 303 goto bad; 304 305 /* 306 * Determine which chipset we are. All the PC Card chipsets have the 307 * ASIC and NIC offsets in the same place. 308 */ 309 sc->asic_offset = ED_NOVELL_ASIC_OFFSET; 310 sc->nic_offset = ED_NOVELL_NIC_OFFSET; 311 error = ENXIO; 312 if (error != 0) 313 error = ed_pccard_dl100xx(dev, pp); 314 if (error != 0 && pp->flags & NE2000DVF_AX88X90) 315 error = ed_pccard_ax88x90(dev, pp); 316 if (error != 0) 317 error = ed_probe_Novell_generic(dev, device_get_flags(dev)); 318 if (error) 319 goto bad; 320 321 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE, 322 edintr, sc, &sc->irq_handle); 323 if (error) { 324 device_printf(dev, "setup intr failed %d \n", error); 325 goto bad; 326 } 327 328 /* 329 * For the older cards, we have to get the MAC address from 330 * the card in some way. Let's try the standard PCMCIA way 331 * first. If that fails, then check to see if we have valid 332 * data from the standard NE-2000 data roms. If that fails, 333 * check to see if the card has a hint about where to look in 334 * its CIS. If that fails, maybe we should look at some 335 * default value. In all fails, we should fail the attach, 336 * but don't right now. 337 */ 338 if (sc->chip_type == ED_CHIP_TYPE_DP8390) { 339 pccard_get_ether(dev, enaddr); 340 if (bootverbose) 341 device_printf(dev, "CIS MAC %6D\n", enaddr, ":"); 342 for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++) 343 sum |= enaddr[i]; 344 if (sum == 0 && ed_pccard_rom_mac(dev, enaddr)) { 345 if (bootverbose) 346 device_printf(dev, "ROM mac %6D\n", enaddr, 347 ":"); 348 sum++; 349 } 350 if (sum == 0 && pp->flags & NE2000DVF_ENADDR) { 351 for (i = 0; i < ETHER_ADDR_LEN; i++) { 352 ed_pccard_memread(dev, pp->enoff + i * 2, 353 enaddr + i); 354 sum |= enaddr[i]; 355 } 356 if (bootverbose) 357 device_printf(dev, "Hint MAC %6D\n", enaddr, 358 ":"); 359 } 360 if (sum == 0) { 361 for (i = 0; i < ETHER_ADDR_LEN; i++) { 362 ed_pccard_memread(dev, ED_DEFAULT_MAC_OFFSET + 363 i * 2, enaddr + i); 364 sum |= enaddr[i]; 365 } 366 if (bootverbose) 367 device_printf(dev, "Fallback MAC %6D\n", 368 enaddr, ":"); 369 } 370 if (sum == 0) { 371 device_printf(dev, "Cannot extract MAC address.\n"); 372 ed_release_resources(dev); 373 return (ENXIO); 374 } 375 bcopy(enaddr, sc->enaddr, ETHER_ADDR_LEN); 376 } 377 378 error = ed_attach(dev); 379 if (error) 380 goto bad; 381#ifndef ED_NO_MIIBUS 382 if (sc->chip_type == ED_CHIP_TYPE_DL10019 || 383 sc->chip_type == ED_CHIP_TYPE_DL10022) { 384 /* Probe for an MII bus, but ignore errors. */ 385 ed_pccard_dl10xx_mii_reset(sc); 386 sc->mii_readbits = ed_pccard_dl10xx_mii_readbits; 387 sc->mii_writebits = ed_pccard_dl10xx_mii_writebits; 388 mii_phy_probe(dev, &sc->miibus, ed_ifmedia_upd, 389 ed_ifmedia_sts); 390 } 391#endif 392 if (sc->modem_rid != -1) 393 ed_pccard_add_modem(dev); 394 return (0); 395bad: 396 ed_release_resources(dev); 397 return (error); 398} 399 400static int 401ed_pccard_memwrite(device_t dev, off_t offset, u_char byte) 402{ 403 int cis_rid; 404 struct resource *cis; 405 406 cis_rid = 0; 407 cis = bus_alloc_resource(dev, SYS_RES_MEMORY, &cis_rid, 0, ~0, 408 4 << 10, RF_ACTIVE | RF_SHAREABLE); 409 if (cis == NULL) 410 return (ENXIO); 411 CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY, 412 cis_rid, PCCARD_A_MEM_ATTR); 413 414 bus_space_write_1(rman_get_bustag(cis), rman_get_bushandle(cis), 415 offset, byte); 416 417 bus_deactivate_resource(dev, SYS_RES_MEMORY, cis_rid, cis); 418 bus_release_resource(dev, SYS_RES_MEMORY, cis_rid, cis); 419 420 return (0); 421} 422 423static int 424ed_pccard_memread(device_t dev, off_t offset, u_char *byte) 425{ 426 int cis_rid; 427 struct resource *cis; 428 429 cis_rid = 0; 430 cis = bus_alloc_resource(dev, SYS_RES_MEMORY, &cis_rid, 0, ~0, 431 4 << 10, RF_ACTIVE | RF_SHAREABLE); 432 if (cis == NULL) 433 return (ENXIO); 434 CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY, 435 cis_rid, PCCARD_A_MEM_ATTR); 436 437 *byte = bus_space_read_1(rman_get_bustag(cis), rman_get_bushandle(cis), 438 offset); 439 440 bus_deactivate_resource(dev, SYS_RES_MEMORY, cis_rid, cis); 441 bus_release_resource(dev, SYS_RES_MEMORY, cis_rid, cis); 442 443 return (0); 444} 445 446/* 447 * Probe the Ethernet MAC addrees for PCMCIA Linksys EtherFast 10/100 448 * and compatible cards (DL10019C Ethernet controller). 449 * 450 * Note: The PAO patches try to use more memory for the card, but that 451 * seems to fail for my card. A future optimization would add this back 452 * conditionally. 453 */ 454static int 455ed_pccard_dl100xx(device_t dev, const struct ed_product *pp) 456{ 457 struct ed_softc *sc = device_get_softc(dev); 458 u_char sum; 459 uint8_t id; 460 int i, error; 461 462 if (!pp->flags & NE2000DVF_DL100XX) 463 return (ENXIO); 464 error = ed_probe_Novell_generic(dev, device_get_flags(dev)); 465 if (error != 0) 466 return (error); 467 468 /* 469 * Linksys registers(offset from ASIC base) 470 * 471 * 0x04-0x09 : Physical Address Register 0-5 (PAR0-PAR5) 472 * 0x0A : Card ID Register (CIR) 473 * 0x0B : Check Sum Register (SR) 474 */ 475 for (sum = 0, i = 0x04; i < 0x0c; i++) 476 sum += ed_asic_inb(sc, i); 477 if (sum != 0xff) 478 return (ENXIO); /* invalid DL10019C */ 479 for (i = 0; i < ETHER_ADDR_LEN; i++) 480 sc->enaddr[i] = ed_asic_inb(sc, 0x04 + i); 481 ed_nic_outb(sc, ED_P0_DCR, ED_DCR_WTS | ED_DCR_FT1 | ED_DCR_LS); 482 id = ed_asic_inb(sc, 0xf); 483 sc->isa16bit = 1; 484 sc->vendor = ED_VENDOR_NOVELL; 485 sc->type = ED_TYPE_NE2000; 486 sc->chip_type = (id & 0x90) == 0x90 ? 487 ED_CHIP_TYPE_DL10022 : ED_CHIP_TYPE_DL10019; 488 sc->type_str = ((id & 0x90) == 0x90) ? "DL10022" : "DL10019"; 489 return (0); 490} 491 492#ifndef ED_NO_MIIBUS 493/* MII bit-twiddling routines for cards using Dlink chipset */ 494#define DL10XX_MIISET(sc, x) ed_asic_outb(sc, ED_DL10XX_MIIBUS, \ 495 ed_asic_inb(sc, ED_DL10XX_MIIBUS) | (x)) 496#define DL10XX_MIICLR(sc, x) ed_asic_outb(sc, ED_DL10XX_MIIBUS, \ 497 ed_asic_inb(sc, ED_DL10XX_MIIBUS) & ~(x)) 498 499static void 500ed_pccard_dl10xx_mii_reset(struct ed_softc *sc) 501{ 502 if (sc->chip_type != ED_CHIP_TYPE_DL10022) 503 return; 504 505 ed_asic_outb(sc, ED_DL10XX_MIIBUS, ED_DL10XX_MII_RESET2); 506 DELAY(10); 507 ed_asic_outb(sc, ED_DL10XX_MIIBUS, 508 ED_DL10XX_MII_RESET2 | ED_DL10XX_MII_RESET1); 509 DELAY(10); 510 ed_asic_outb(sc, ED_DL10XX_MIIBUS, ED_DL10XX_MII_RESET2); 511 DELAY(10); 512 ed_asic_outb(sc, ED_DL10XX_MIIBUS, 513 ED_DL10XX_MII_RESET2 | ED_DL10XX_MII_RESET1); 514 DELAY(10); 515 ed_asic_outb(sc, ED_DL10XX_MIIBUS, 0); 516} 517 518static void 519ed_pccard_dl10xx_mii_writebits(struct ed_softc *sc, u_int val, int nbits) 520{ 521 int i; 522 523 if (sc->chip_type == ED_CHIP_TYPE_DL10022) 524 DL10XX_MIISET(sc, ED_DL10XX_MII_DIROUT_22); 525 else 526 DL10XX_MIISET(sc, ED_DL10XX_MII_DIROUT_19); 527 528 for (i = nbits - 1; i >= 0; i--) { 529 if ((val >> i) & 1) 530 DL10XX_MIISET(sc, ED_DL10XX_MII_DATAOUT); 531 else 532 DL10XX_MIICLR(sc, ED_DL10XX_MII_DATAOUT); 533 DELAY(10); 534 DL10XX_MIISET(sc, ED_DL10XX_MII_CLK); 535 DELAY(10); 536 DL10XX_MIICLR(sc, ED_DL10XX_MII_CLK); 537 DELAY(10); 538 } 539} 540 541static u_int 542ed_pccard_dl10xx_mii_readbits(struct ed_softc *sc, int nbits) 543{ 544 int i; 545 u_int val = 0; 546 547 if (sc->chip_type == ED_CHIP_TYPE_DL10022) 548 DL10XX_MIICLR(sc, ED_DL10XX_MII_DIROUT_22); 549 else 550 DL10XX_MIICLR(sc, ED_DL10XX_MII_DIROUT_19); 551 552 for (i = nbits - 1; i >= 0; i--) { 553 DL10XX_MIISET(sc, ED_DL10XX_MII_CLK); 554 DELAY(10); 555 val <<= 1; 556 if (ed_asic_inb(sc, ED_DL10XX_MIIBUS) & ED_DL10XX_MII_DATATIN) 557 val++; 558 DL10XX_MIICLR(sc, ED_DL10XX_MII_CLK); 559 DELAY(10); 560 } 561 return val; 562} 563#endif 564 565static void 566ed_pccard_ax88x90_geteprom(struct ed_softc *sc) 567{ 568 int prom[16],i; 569 u_char tmp; 570 struct { 571 unsigned char offset, value; 572 } pg_seq[] = { 573 /* Select Page0 */ 574 {ED_P0_CR, ED_CR_RD2 | ED_CR_STP | ED_CR_PAGE_0}, 575 {ED_P0_DCR, 0x01}, 576 {ED_P0_RBCR0, 0x00}, /* Clear the count regs. */ 577 {ED_P0_RBCR1, 0x00}, 578 {ED_P0_IMR, 0x00}, /* Mask completion irq. */ 579 {ED_P0_ISR, 0xff}, 580 {ED_P0_RCR, ED_RCR_MON | ED_RCR_INTT}, /* Set To Monitor */ 581 {ED_P0_TCR, ED_TCR_LB0}, /* loopback mode. */ 582 {ED_P0_RBCR0, 32}, 583 {ED_P0_RBCR1, 0x00}, 584 {ED_P0_RSAR0, 0x00}, 585 {ED_P0_RSAR1, 0x04}, 586 {ED_P0_CR, ED_CR_RD0 | ED_CR_STA | ED_CR_PAGE_0}, 587 }; 588 589 /* Reset Card */ 590 tmp = ed_asic_inb(sc, ED_NOVELL_RESET); 591 ed_asic_outb(sc, ED_NOVELL_RESET, tmp); 592 DELAY(5000); 593 ed_asic_outb(sc, ED_P0_CR, ED_CR_RD2 | ED_CR_STP | ED_CR_PAGE_0); 594 DELAY(5000); 595 596 /* Card Settings */ 597 for (i = 0; i < sizeof(pg_seq) / sizeof(pg_seq[0]); i++) 598 ed_nic_outb(sc, pg_seq[i].offset, pg_seq[i].value); 599 600 /* Get Data */ 601 for (i = 0; i < 16; i++) 602 prom[i] = ed_asic_inw(sc, 0); 603 604 /* 605 * Work around a bug I've seen on Linksys EC2T cards. On 606 * these cards, the node address is contained in the low order 607 * bytes of the prom, with the upper byte being 0. On other 608 * cards, the bytes are packed two per word. I'm unsure why 609 * this is the case, and why no other open source OS has a 610 * similar workaround. The Linksys EC2T card is still extremely 611 * popular on E-Bay, fetching way more than any other 10Mbps 612 * only card. I might be able to test to see if prom[7] and 613 * prom[15] == 0x5757, since that appears to be a reliable 614 * test. On the EC2T cards, I get 0x0057 in prom[14,15] instead. 615 */ 616 for (i = 0; i < ETHER_ADDR_LEN; i++) 617 if (prom[i] & 0xff00) 618 break; 619 if (i == ETHER_ADDR_LEN) { 620 for (i = 0; i < ETHER_ADDR_LEN; i++) 621 sc->enaddr[i] = prom[i] & 0xff; 622 } else { 623 for (i = 0; i < ETHER_ADDR_LEN; i += 2) { 624 sc->enaddr[i] = prom[i / 2] & 0xff; 625 sc->enaddr[i + 1] = (prom[i / 2] >> 8) & 0xff; 626 } 627 } 628} 629 630/* 631 * Special setup for AX88[17]90 632 */ 633static int 634ed_pccard_ax88x90(device_t dev, const struct ed_product *pp) 635{ 636 int error; 637 int iobase; 638 char *ts; 639 struct ed_softc *sc = device_get_softc(dev); 640 641 if (!pp->flags & NE2000DVF_AX88X90) 642 return (ENXIO); 643 644 /* XXX 645 * Set Attribute Memory IOBASE Register. Is this a deficiency in 646 * the PC Card layer, or an ax88190 specific issue? The card 647 * definitely doesn't work without it. 648 */ 649 iobase = rman_get_start(sc->port_res); 650 ed_pccard_memwrite(dev, ED_AX88190_IOBASE0, iobase & 0xff); 651 ed_pccard_memwrite(dev, ED_AX88190_IOBASE1, (iobase >> 8) & 0xff); 652 ts = "AX88190"; 653 if (ed_asic_inb(sc, ED_ASIX_TEST) != 0) { 654 ed_pccard_memwrite(dev, ED_AX88790_CSR, ED_AX88790_CSR_PWRDWN); 655 ts = "AX88790"; 656 } 657 sc->chip_type = ED_CHIP_TYPE_AX88190; 658 ed_pccard_ax88x90_geteprom(sc); 659 error = ed_probe_Novell_generic(dev, device_get_flags(dev)); 660 if (error == 0) { 661 sc->vendor = ED_VENDOR_NOVELL; 662 sc->type = ED_TYPE_NE2000; 663 sc->chip_type = ED_CHIP_TYPE_AX88190; 664 sc->type_str = ts; 665 } 666 return (error); 667} 668 669static device_method_t ed_pccard_methods[] = { 670 /* Device interface */ 671 DEVMETHOD(device_probe, ed_pccard_probe), 672 DEVMETHOD(device_attach, ed_pccard_attach), 673 DEVMETHOD(device_detach, ed_detach), 674 675#ifndef ED_NO_MIIBUS 676 /* Bus interface */ 677 DEVMETHOD(bus_child_detached, ed_child_detached), 678 679 /* MII interface */ 680 DEVMETHOD(miibus_readreg, ed_miibus_readreg), 681 DEVMETHOD(miibus_writereg, ed_miibus_writereg), 682#endif 683 684 { 0, 0 } 685}; 686 687static driver_t ed_pccard_driver = { 688 "ed", 689 ed_pccard_methods, 690 sizeof(struct ed_softc) 691}; 692 693DRIVER_MODULE(ed, pccard, ed_pccard_driver, ed_devclass, 0, 0); 694#ifndef ED_NO_MIIBUS 695DRIVER_MODULE(miibus, ed, miibus_driver, miibus_devclass, 0, 0); 696#endif 697