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if_tlp_pci.c revision 1.91.2.1
      1 /*	$NetBSD: if_tlp_pci.c,v 1.91.2.1 2006/07/13 17:49:27 gdamore Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998, 1999, 2000, 2002 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
      9  * NASA Ames Research Center; and Charles M. Hannum.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. All advertising materials mentioning features or use of this software
     20  *    must display the following acknowledgement:
     21  *	This product includes software developed by the NetBSD
     22  *	Foundation, Inc. and its contributors.
     23  * 4. Neither the name of The NetBSD Foundation nor the names of its
     24  *    contributors may be used to endorse or promote products derived
     25  *    from this software without specific prior written permission.
     26  *
     27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37  * POSSIBILITY OF SUCH DAMAGE.
     38  */
     39 
     40 /*
     41  * PCI bus front-end for the Digital Semiconductor ``Tulip'' (21x4x)
     42  * Ethernet controller family driver.
     43  */
     44 
     45 #include <sys/cdefs.h>
     46 __KERNEL_RCSID(0, "$NetBSD: if_tlp_pci.c,v 1.91.2.1 2006/07/13 17:49:27 gdamore Exp $");
     47 
     48 #include <sys/param.h>
     49 #include <sys/systm.h>
     50 #include <sys/mbuf.h>
     51 #include <sys/malloc.h>
     52 #include <sys/kernel.h>
     53 #include <sys/socket.h>
     54 #include <sys/ioctl.h>
     55 #include <sys/errno.h>
     56 #include <sys/device.h>
     57 
     58 #include <machine/endian.h>
     59 
     60 #include <net/if.h>
     61 #include <net/if_dl.h>
     62 #include <net/if_media.h>
     63 #include <net/if_ether.h>
     64 
     65 #include <machine/bus.h>
     66 #include <machine/intr.h>
     67 #ifdef __sparc__
     68 #include <machine/promlib.h>
     69 #endif
     70 
     71 #include <dev/mii/miivar.h>
     72 #include <dev/mii/mii_bitbang.h>
     73 
     74 #include <dev/ic/tulipreg.h>
     75 #include <dev/ic/tulipvar.h>
     76 
     77 #include <dev/pci/pcivar.h>
     78 #include <dev/pci/pcireg.h>
     79 #include <dev/pci/pcidevs.h>
     80 
     81 /*
     82  * PCI configuration space registers used by the Tulip.
     83  */
     84 #define	TULIP_PCI_IOBA		0x10	/* i/o mapped base */
     85 #define	TULIP_PCI_MMBA		0x14	/* memory mapped base */
     86 #define	TULIP_PCI_CFDA		0x40	/* configuration driver area */
     87 
     88 #define	CFDA_SLEEP		0x80000000	/* sleep mode */
     89 #define	CFDA_SNOOZE		0x40000000	/* snooze mode */
     90 
     91 struct tulip_pci_softc {
     92 	struct tulip_softc sc_tulip;	/* real Tulip softc */
     93 
     94 	/* PCI-specific goo. */
     95 	void	*sc_ih;			/* interrupt handle */
     96 
     97 	pci_chipset_tag_t sc_pc;	/* our PCI chipset */
     98 	pcitag_t sc_pcitag;		/* our PCI tag */
     99 
    100 	int	sc_flags;		/* flags; see below */
    101 
    102 	LIST_HEAD(, tulip_pci_softc) sc_intrslaves;
    103 	LIST_ENTRY(tulip_pci_softc) sc_intrq;
    104 
    105 	/* Our {ROM,interrupt} master. */
    106 	struct tulip_pci_softc *sc_master;
    107 };
    108 
    109 /* sc_flags */
    110 #define	TULIP_PCI_SHAREDINTR	0x01	/* interrupt is shared */
    111 #define	TULIP_PCI_SLAVEINTR	0x02	/* interrupt is slave */
    112 #define	TULIP_PCI_SHAREDROM	0x04	/* ROM is shared */
    113 #define	TULIP_PCI_SLAVEROM	0x08	/* slave of shared ROM */
    114 
    115 static int	tlp_pci_match(struct device *, struct cfdata *, void *);
    116 static void	tlp_pci_attach(struct device *, struct device *, void *);
    117 
    118 CFATTACH_DECL(tlp_pci, sizeof(struct tulip_pci_softc),
    119     tlp_pci_match, tlp_pci_attach, NULL, NULL);
    120 
    121 static const struct tulip_pci_product {
    122 	u_int32_t	tpp_vendor;	/* PCI vendor ID */
    123 	u_int32_t	tpp_product;	/* PCI product ID */
    124 	tulip_chip_t	tpp_chip;	/* base Tulip chip type */
    125 } tlp_pci_products[] = {
    126 	{ PCI_VENDOR_DEC,		PCI_PRODUCT_DEC_21040,
    127 	  TULIP_CHIP_21040 },
    128 	{ PCI_VENDOR_DEC,		PCI_PRODUCT_DEC_21041,
    129 	  TULIP_CHIP_21041 },
    130 	{ PCI_VENDOR_DEC,		PCI_PRODUCT_DEC_21140,
    131 	  TULIP_CHIP_21140 },
    132 	{ PCI_VENDOR_DEC,		PCI_PRODUCT_DEC_21142,
    133 	  TULIP_CHIP_21142 },
    134 
    135 	{ PCI_VENDOR_LITEON,		PCI_PRODUCT_LITEON_82C168,
    136 	  TULIP_CHIP_82C168 },
    137 
    138 	/*
    139 	 * Note: This is like a MX98725 with Wake-On-LAN and a
    140 	 * 128-bit multicast hash table.
    141 	 */
    142 	{ PCI_VENDOR_LITEON,		PCI_PRODUCT_LITEON_82C115,
    143 	  TULIP_CHIP_82C115 },
    144 
    145 	{ PCI_VENDOR_MACRONIX,		PCI_PRODUCT_MACRONIX_MX98713,
    146 	  TULIP_CHIP_MX98713 },
    147 	{ PCI_VENDOR_MACRONIX,		PCI_PRODUCT_MACRONIX_MX987x5,
    148 	  TULIP_CHIP_MX98715 },
    149 
    150 	{ PCI_VENDOR_COMPEX,		PCI_PRODUCT_COMPEX_RL100TX,
    151 	  TULIP_CHIP_MX98713 },
    152 
    153 	{ PCI_VENDOR_WINBOND,		PCI_PRODUCT_WINBOND_W89C840F,
    154 	  TULIP_CHIP_WB89C840F },
    155 	{ PCI_VENDOR_COMPEX,		PCI_PRODUCT_COMPEX_RL100ATX,
    156 	  TULIP_CHIP_WB89C840F },
    157 
    158 	{ PCI_VENDOR_DAVICOM,		PCI_PRODUCT_DAVICOM_DM9102,
    159 	  TULIP_CHIP_DM9102 },
    160 
    161 	{ PCI_VENDOR_ADMTEK,		PCI_PRODUCT_ADMTEK_AL981,
    162 	  TULIP_CHIP_AL981 },
    163 
    164 	{ PCI_VENDOR_ADMTEK,		PCI_PRODUCT_ADMTEK_AN985,
    165 	  TULIP_CHIP_AN985 },
    166 	{ PCI_VENDOR_ACCTON,		PCI_PRODUCT_ACCTON_EN2242,
    167 	  TULIP_CHIP_AN985 },
    168 
    169 	{ PCI_VENDOR_3COM,		PCI_PRODUCT_3COM_3C910SOHOB,
    170 	  TULIP_CHIP_AN985 },
    171 
    172 	{ PCI_VENDOR_ASIX,		PCI_PRODUCT_ASIX_AX88140A,
    173 	  TULIP_CHIP_AX88140 },
    174 
    175 	{ PCI_VENDOR_CONEXANT,		PCI_PRODUCT_CONEXANT_LANFINITY,
    176 	  TULIP_CHIP_RS7112 },
    177 
    178 	{ 0,				0,
    179 	  TULIP_CHIP_INVALID },
    180 };
    181 
    182 struct tlp_pci_quirks {
    183 	void		(*tpq_func)(struct tulip_pci_softc *,
    184 			    const u_int8_t *);
    185 	u_int8_t	tpq_oui[3];
    186 };
    187 
    188 static void	tlp_pci_dec_quirks(struct tulip_pci_softc *,
    189 		    const u_int8_t *);
    190 
    191 static void	tlp_pci_znyx_21040_quirks(struct tulip_pci_softc *,
    192 		    const u_int8_t *);
    193 static void	tlp_pci_smc_21040_quirks(struct tulip_pci_softc *,
    194 		    const u_int8_t *);
    195 static void	tlp_pci_cogent_21040_quirks(struct tulip_pci_softc *,
    196 		    const u_int8_t *);
    197 static void	tlp_pci_accton_21040_quirks(struct tulip_pci_softc *,
    198 		    const u_int8_t *);
    199 
    200 static void	tlp_pci_cobalt_21142_quirks(struct tulip_pci_softc *,
    201 		    const u_int8_t *);
    202 static void	tlp_pci_algor_21142_quirks(struct tulip_pci_softc *,
    203 		    const u_int8_t *);
    204 static void	tlp_pci_netwinder_21142_quirks(struct tulip_pci_softc *,
    205 		    const u_int8_t *);
    206 static void	tlp_pci_znyx_21142_quirks(struct tulip_pci_softc *,
    207 		    const u_int8_t *);
    208 
    209 static void	tlp_pci_adaptec_quirks(struct tulip_pci_softc *,
    210 		    const u_int8_t *);
    211 
    212 static const struct tlp_pci_quirks tlp_pci_21040_quirks[] = {
    213 	{ tlp_pci_znyx_21040_quirks,	{ 0x00, 0xc0, 0x95 } },
    214 	{ tlp_pci_smc_21040_quirks,	{ 0x00, 0x00, 0xc0 } },
    215 	{ tlp_pci_cogent_21040_quirks,	{ 0x00, 0x00, 0x92 } },
    216 	{ tlp_pci_accton_21040_quirks,	{ 0x00, 0x00, 0xe8 } },
    217 	{ NULL,				{ 0, 0, 0 } }
    218 };
    219 
    220 static const struct tlp_pci_quirks tlp_pci_21041_quirks[] = {
    221 	{ tlp_pci_dec_quirks,		{ 0x08, 0x00, 0x2b } },
    222 	{ tlp_pci_dec_quirks,		{ 0x00, 0x00, 0xf8 } },
    223 	{ NULL,				{ 0, 0, 0 } }
    224 };
    225 
    226 static void	tlp_pci_asante_21140_quirks(struct tulip_pci_softc *,
    227 		    const u_int8_t *);
    228 static void	tlp_pci_smc_21140_quirks(struct tulip_pci_softc *,
    229 		    const u_int8_t *);
    230 static void	tlp_pci_vpc_21140_quirks(struct tulip_pci_softc *,
    231 		    const u_int8_t *);
    232 
    233 static const struct tlp_pci_quirks tlp_pci_21140_quirks[] = {
    234 	{ tlp_pci_dec_quirks,		{ 0x08, 0x00, 0x2b } },
    235 	{ tlp_pci_dec_quirks,		{ 0x00, 0x00, 0xf8 } },
    236 	{ tlp_pci_asante_21140_quirks,	{ 0x00, 0x00, 0x94 } },
    237 	{ tlp_pci_adaptec_quirks,	{ 0x00, 0x00, 0x92 } },
    238 	{ tlp_pci_adaptec_quirks,	{ 0x00, 0x00, 0xd1 } },
    239 	{ tlp_pci_smc_21140_quirks,	{ 0x00, 0x00, 0xc0 } },
    240 	{ tlp_pci_vpc_21140_quirks,	{ 0x00, 0x03, 0xff } },
    241 	{ NULL,				{ 0, 0, 0 } }
    242 };
    243 
    244 static const struct tlp_pci_quirks tlp_pci_21142_quirks[] = {
    245 	{ tlp_pci_dec_quirks,		{ 0x08, 0x00, 0x2b } },
    246 	{ tlp_pci_dec_quirks,		{ 0x00, 0x00, 0xf8 } },
    247 	{ tlp_pci_cobalt_21142_quirks,	{ 0x00, 0x10, 0xe0 } },
    248 	{ tlp_pci_algor_21142_quirks,	{ 0x00, 0x40, 0xbc } },
    249 	{ tlp_pci_adaptec_quirks,	{ 0x00, 0x00, 0xd1 } },
    250 	{ tlp_pci_netwinder_21142_quirks,{ 0x00, 0x10, 0x57 } },
    251 	{ tlp_pci_znyx_21142_quirks,	{ 0x00, 0xc0, 0x95 } },
    252 	{ NULL,				{ 0, 0, 0 } }
    253 };
    254 
    255 static int	tlp_pci_shared_intr(void *);
    256 
    257 static const struct tulip_pci_product *
    258 tlp_pci_lookup(const struct pci_attach_args *pa)
    259 {
    260 	const struct tulip_pci_product *tpp;
    261 
    262 	/* Don't match lmc cards */
    263 	if (PCI_VENDOR(pci_conf_read(pa->pa_pc, pa->pa_tag,
    264 	    PCI_SUBSYS_ID_REG)) == PCI_VENDOR_LMC)
    265 		return NULL;
    266 
    267 	for (tpp = tlp_pci_products;
    268 	     tlp_chip_names[tpp->tpp_chip] != NULL;
    269 	     tpp++) {
    270 		if (PCI_VENDOR(pa->pa_id) == tpp->tpp_vendor &&
    271 		    PCI_PRODUCT(pa->pa_id) == tpp->tpp_product)
    272 			return (tpp);
    273 	}
    274 	return (NULL);
    275 }
    276 
    277 static void
    278 tlp_pci_get_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr,
    279     const struct tlp_pci_quirks *tpq)
    280 {
    281 
    282 	for (; tpq->tpq_func != NULL; tpq++) {
    283 		if (tpq->tpq_oui[0] == enaddr[0] &&
    284 		    tpq->tpq_oui[1] == enaddr[1] &&
    285 		    tpq->tpq_oui[2] == enaddr[2]) {
    286 			(*tpq->tpq_func)(psc, enaddr);
    287 			return;
    288 		}
    289 	}
    290 }
    291 
    292 static void
    293 tlp_pci_check_slaved(struct tulip_pci_softc *psc, int shared, int slaved)
    294 {
    295 	extern struct cfdriver tlp_cd;
    296 	struct tulip_pci_softc *cur, *best = NULL;
    297 	struct tulip_softc *sc = &psc->sc_tulip;
    298 	int i;
    299 
    300 	/*
    301 	 * First of all, find the lowest pcidev numbered device on our
    302 	 * bus marked as shared.  That should be our master.
    303 	 */
    304 	for (i = 0; i < tlp_cd.cd_ndevs; i++) {
    305 		if ((cur = tlp_cd.cd_devs[i]) == NULL)
    306 			continue;
    307 		if (device_parent(&cur->sc_tulip.sc_dev) !=
    308 		    device_parent(&sc->sc_dev))
    309 			continue;
    310 		if ((cur->sc_flags & shared) == 0)
    311 			continue;
    312 		if (cur == psc)
    313 			continue;
    314 		if (best == NULL ||
    315 		    best->sc_tulip.sc_devno > cur->sc_tulip.sc_devno)
    316 			best = cur;
    317 	}
    318 
    319 	if (best != NULL) {
    320 		psc->sc_master = best;
    321 		psc->sc_flags |= (shared | slaved);
    322 	}
    323 }
    324 
    325 static int
    326 tlp_pci_match(struct device *parent, struct cfdata *match, void *aux)
    327 {
    328 	struct pci_attach_args *pa = aux;
    329 
    330 	if (tlp_pci_lookup(pa) != NULL)
    331 		return (10);	/* beat if_de.c */
    332 
    333 	return (0);
    334 }
    335 
    336 static void
    337 tlp_pci_attach(struct device *parent, struct device *self, void *aux)
    338 {
    339 	struct tulip_pci_softc *psc = (void *) self;
    340 	struct tulip_softc *sc = &psc->sc_tulip;
    341 	struct pci_attach_args *pa = aux;
    342 	pci_chipset_tag_t pc = pa->pa_pc;
    343 	pci_intr_handle_t ih;
    344 	const char *intrstr = NULL;
    345 	bus_space_tag_t iot, memt;
    346 	bus_space_handle_t ioh, memh;
    347 	int ioh_valid, memh_valid, i, j;
    348 	const struct tulip_pci_product *tpp;
    349 	prop_data_t ea;
    350 	u_int8_t enaddr[ETHER_ADDR_LEN];
    351 	u_int32_t val = 0;
    352 	pcireg_t reg;
    353 	int error;
    354 
    355 	sc->sc_devno = pa->pa_device;
    356 	psc->sc_pc = pa->pa_pc;
    357 	psc->sc_pcitag = pa->pa_tag;
    358 
    359 	LIST_INIT(&psc->sc_intrslaves);
    360 
    361 	tpp = tlp_pci_lookup(pa);
    362 	if (tpp == NULL) {
    363 		printf("\n");
    364 		panic("tlp_pci_attach: impossible");
    365 	}
    366 	sc->sc_chip = tpp->tpp_chip;
    367 
    368 	/*
    369 	 * By default, Tulip registers are 8 bytes long (4 bytes
    370 	 * followed by a 4 byte pad).
    371 	 */
    372 	sc->sc_regshift = 3;
    373 
    374 	/*
    375 	 * No power management hooks.
    376 	 * XXX Maybe we should add some!
    377 	 */
    378 	sc->sc_flags |= TULIPF_ENABLED;
    379 
    380 	/*
    381 	 * Get revision info, and set some chip-specific variables.
    382 	 */
    383 	sc->sc_rev = PCI_REVISION(pa->pa_class);
    384 	switch (sc->sc_chip) {
    385 	case TULIP_CHIP_21140:
    386 		if (sc->sc_rev >= 0x20)
    387 			sc->sc_chip = TULIP_CHIP_21140A;
    388 		break;
    389 
    390 	case TULIP_CHIP_21142:
    391 		if (sc->sc_rev >= 0x20)
    392 			sc->sc_chip = TULIP_CHIP_21143;
    393 		break;
    394 
    395 	case TULIP_CHIP_82C168:
    396 		if (sc->sc_rev >= 0x20)
    397 			sc->sc_chip = TULIP_CHIP_82C169;
    398 		break;
    399 
    400 	case TULIP_CHIP_MX98713:
    401 		if (sc->sc_rev >= 0x10)
    402 			sc->sc_chip = TULIP_CHIP_MX98713A;
    403 		break;
    404 
    405 	case TULIP_CHIP_MX98715:
    406 		if (sc->sc_rev >= 0x20)
    407 			sc->sc_chip = TULIP_CHIP_MX98715A;
    408  		if (sc->sc_rev >= 0x25)
    409  			sc->sc_chip = TULIP_CHIP_MX98715AEC_X;
    410 		if (sc->sc_rev >= 0x30)
    411 			sc->sc_chip = TULIP_CHIP_MX98725;
    412 		break;
    413 
    414 	case TULIP_CHIP_WB89C840F:
    415 		sc->sc_regshift = 2;
    416 		break;
    417 
    418 	case TULIP_CHIP_AN985:
    419 		/*
    420 		 * The AN983 and AN985 are very similar, and are
    421 		 * differentiated by a "signature" register that
    422 		 * is like, but not identical, to a PCI ID register.
    423 		 */
    424 		reg = pci_conf_read(pc, pa->pa_tag, 0x80);
    425 		switch (reg) {
    426 		case 0x09811317:
    427 			sc->sc_chip = TULIP_CHIP_AN985;
    428 			break;
    429 
    430 		case 0x09851317:
    431 			sc->sc_chip = TULIP_CHIP_AN983;
    432 			break;
    433 
    434 		default:
    435 			/* Unknown -- use default. */
    436 			break;
    437 		}
    438 		break;
    439 
    440 	case TULIP_CHIP_AX88140:
    441 		if (sc->sc_rev >= 0x10)
    442 			sc->sc_chip = TULIP_CHIP_AX88141;
    443 		break;
    444 
    445 	case TULIP_CHIP_DM9102:
    446 		if (sc->sc_rev >= 0x30)
    447 			sc->sc_chip = TULIP_CHIP_DM9102A;
    448 		break;
    449 
    450 	default:
    451 		/* Nothing. */
    452 		break;
    453 	}
    454 
    455 	printf(": %s Ethernet, pass %d.%d\n",
    456 	    tlp_chip_names[sc->sc_chip],
    457 	    (sc->sc_rev >> 4) & 0xf, sc->sc_rev & 0xf);
    458 
    459 	switch (sc->sc_chip) {
    460 	case TULIP_CHIP_21040:
    461 		if (sc->sc_rev < 0x20) {
    462 			printf("%s: 21040 must be at least pass 2.0\n",
    463 			    sc->sc_dev.dv_xname);
    464 			return;
    465 		}
    466 		break;
    467 
    468 	case TULIP_CHIP_21140:
    469 		if (sc->sc_rev < 0x11) {
    470 			printf("%s: 21140 must be at least pass 1.1\n",
    471 			    sc->sc_dev.dv_xname);
    472 			return;
    473 		}
    474 		break;
    475 
    476 	default:
    477 		/* Nothing. */
    478 		break;
    479 	}
    480 
    481 	/*
    482 	 * Check to see if the device is in power-save mode, and
    483 	 * being it out if necessary.
    484 	 */
    485 	switch (sc->sc_chip) {
    486 	case TULIP_CHIP_21140:
    487 	case TULIP_CHIP_21140A:
    488 	case TULIP_CHIP_21142:
    489 	case TULIP_CHIP_21143:
    490 	case TULIP_CHIP_MX98713A:
    491 	case TULIP_CHIP_MX98715:
    492 	case TULIP_CHIP_MX98715A:
    493 	case TULIP_CHIP_MX98715AEC_X:
    494 	case TULIP_CHIP_MX98725:
    495 	case TULIP_CHIP_DM9102:
    496 	case TULIP_CHIP_DM9102A:
    497 	case TULIP_CHIP_AX88140:
    498 	case TULIP_CHIP_AX88141:
    499 	case TULIP_CHIP_RS7112:
    500 		/*
    501 		 * Clear the "sleep mode" bit in the CFDA register.
    502 		 */
    503 		reg = pci_conf_read(pc, pa->pa_tag, TULIP_PCI_CFDA);
    504 		if (reg & (CFDA_SLEEP|CFDA_SNOOZE))
    505 			pci_conf_write(pc, pa->pa_tag, TULIP_PCI_CFDA,
    506 			    reg & ~(CFDA_SLEEP|CFDA_SNOOZE));
    507 		break;
    508 
    509 	default:
    510 		/* Nothing. */
    511 		break;
    512 	}
    513 
    514 	/* power up chip */
    515 	if ((error = pci_activate(pa->pa_pc, pa->pa_tag, sc,
    516 	    NULL)) && error != EOPNOTSUPP) {
    517 		aprint_error("%s: cannot activate %d\n", sc->sc_dev.dv_xname,
    518 		    error);
    519 		return;
    520 	}
    521 
    522 	/*
    523 	 * Map the device.
    524 	 */
    525 	ioh_valid = (pci_mapreg_map(pa, TULIP_PCI_IOBA,
    526 	    PCI_MAPREG_TYPE_IO, 0,
    527 	    &iot, &ioh, NULL, NULL) == 0);
    528 	memh_valid = (pci_mapreg_map(pa, TULIP_PCI_MMBA,
    529 	    PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0,
    530 	    &memt, &memh, NULL, NULL) == 0);
    531 
    532 	if (memh_valid) {
    533 		sc->sc_st = memt;
    534 		sc->sc_sh = memh;
    535 	} else if (ioh_valid) {
    536 		sc->sc_st = iot;
    537 		sc->sc_sh = ioh;
    538 	} else {
    539 		printf("%s: unable to map device registers\n",
    540 		    sc->sc_dev.dv_xname);
    541 		return;
    542 	}
    543 
    544 	sc->sc_dmat = pa->pa_dmat;
    545 
    546 	/*
    547 	 * Make sure bus mastering is enabled.
    548 	 */
    549 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
    550 	    pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
    551 	    PCI_COMMAND_MASTER_ENABLE);
    552 
    553 	/*
    554 	 * Get the cacheline size.
    555 	 */
    556 	sc->sc_cacheline = PCI_CACHELINE(pci_conf_read(pc, pa->pa_tag,
    557 	    PCI_BHLC_REG));
    558 
    559 	/*
    560 	 * Get PCI data moving command info.
    561 	 */
    562 	if (pa->pa_flags & PCI_FLAGS_MRL_OKAY)
    563 		sc->sc_flags |= TULIPF_MRL;
    564 	if (pa->pa_flags & PCI_FLAGS_MRM_OKAY)
    565 		sc->sc_flags |= TULIPF_MRM;
    566 	if (pa->pa_flags & PCI_FLAGS_MWI_OKAY)
    567 		sc->sc_flags |= TULIPF_MWI;
    568 
    569 	/*
    570 	 * Read the contents of the Ethernet Address ROM/SROM.
    571 	 */
    572 	switch (sc->sc_chip) {
    573 	case TULIP_CHIP_21040:
    574 		sc->sc_srom_addrbits = 6;
    575 		sc->sc_srom = malloc(TULIP_ROM_SIZE(6), M_DEVBUF, M_NOWAIT);
    576 		TULIP_WRITE(sc, CSR_MIIROM, MIIROM_SROMCS);
    577 		for (i = 0; i < TULIP_ROM_SIZE(6); i++) {
    578 			for (j = 0; j < 10000; j++) {
    579 				val = TULIP_READ(sc, CSR_MIIROM);
    580 				if ((val & MIIROM_DN) == 0)
    581 					break;
    582 			}
    583 			sc->sc_srom[i] = val & MIIROM_DATA;
    584 		}
    585 		break;
    586 
    587 	case TULIP_CHIP_82C168:
    588 	case TULIP_CHIP_82C169:
    589 	    {
    590 		sc->sc_srom_addrbits = 2;
    591 		sc->sc_srom = malloc(TULIP_ROM_SIZE(2), M_DEVBUF, M_NOWAIT);
    592 
    593 		/*
    594 		 * The Lite-On PNIC stores the Ethernet address in
    595 		 * the first 3 words of the EEPROM.  EEPROM access
    596 		 * is not like the other Tulip chips.
    597 		 */
    598 		for (i = 0; i < 6; i += 2) {
    599 			TULIP_WRITE(sc, CSR_PNIC_SROMCTL,
    600 			    PNIC_SROMCTL_READ | (i >> 1));
    601 			for (j = 0; j < 500; j++) {
    602 				delay(2);
    603 				val = TULIP_READ(sc, CSR_MIIROM);
    604 				if ((val & PNIC_MIIROM_BUSY) == 0)
    605 					break;
    606 			}
    607 			if (val & PNIC_MIIROM_BUSY) {
    608 				printf("%s: EEPROM timed out\n",
    609 				    sc->sc_dev.dv_xname);
    610 				return;
    611 			}
    612 			val &= PNIC_MIIROM_DATA;
    613 			sc->sc_srom[i] = val >> 8;
    614 			sc->sc_srom[i + 1] = val & 0xff;
    615 		}
    616 		break;
    617 	    }
    618 
    619 	default:
    620 		/*
    621 		 * XXX This isn't quite the right way to do this; we should
    622 		 * XXX be attempting to fetch the mac-addr property in the
    623 		 * XXX bus-agnostic part of the driver independently.  But
    624 		 * XXX that requires a larger change in the SROM handling
    625 		 * XXX logic, and for now we can at least remove a machine-
    626 		 * XXX dependent wart from the PCI front-end.
    627 		 */
    628 		ea = prop_dictionary_get(device_properties(&sc->sc_dev),
    629 					 "mac-addr");
    630 		if (ea != NULL) {
    631 			extern int tlp_srom_debug;
    632 			KASSERT(prop_object_type(ea) == PROP_TYPE_DATA);
    633 			KASSERT(prop_data_size(ea) == ETHER_ADDR_LEN);
    634 
    635 			memcpy(enaddr, prop_data_data_nocopy(ea),
    636 			       ETHER_ADDR_LEN);
    637 
    638 			sc->sc_srom_addrbits = 6;
    639 			sc->sc_srom = malloc(TULIP_ROM_SIZE(6), M_DEVBUF,
    640 			    M_NOWAIT|M_ZERO);
    641 			memcpy(sc->sc_srom, enaddr, sizeof(enaddr));
    642 			if (tlp_srom_debug) {
    643 				printf("SROM CONTENTS:");
    644 				for (i = 0; i < TULIP_ROM_SIZE(6); i++) {
    645 					if ((i % 8) == 0)
    646 						printf("\n\t");
    647 					printf("0x%02x ", sc->sc_srom[i]);
    648 				}
    649 				printf("\n");
    650 			}
    651 			break;
    652 		}
    653 
    654 		/* Check for a slaved ROM on a multi-port board. */
    655 		tlp_pci_check_slaved(psc, TULIP_PCI_SHAREDROM,
    656 		    TULIP_PCI_SLAVEROM);
    657 		if (psc->sc_flags & TULIP_PCI_SLAVEROM) {
    658 			sc->sc_srom_addrbits =
    659 			    psc->sc_master->sc_tulip.sc_srom_addrbits;
    660 			sc->sc_srom = psc->sc_master->sc_tulip.sc_srom;
    661 			enaddr[5] +=
    662 			    sc->sc_devno - psc->sc_master->sc_tulip.sc_devno;
    663 		}
    664 		else if (tlp_read_srom(sc) == 0)
    665 			goto cant_cope;
    666 		break;
    667 	}
    668 
    669 	/*
    670 	 * Deal with chip/board quirks.  This includes setting up
    671 	 * the mediasw, and extracting the Ethernet address from
    672 	 * the rombuf.
    673 	 */
    674 	switch (sc->sc_chip) {
    675 	case TULIP_CHIP_21040:
    676 		/*
    677 		 * Parse the Ethernet Address ROM.
    678 		 */
    679 		if (tlp_parse_old_srom(sc, enaddr) == 0)
    680 			goto cant_cope;
    681 
    682 
    683 		/*
    684 		 * All 21040 boards start out with the same
    685 		 * media switch.
    686 		 */
    687 		sc->sc_mediasw = &tlp_21040_mediasw;
    688 
    689 		/*
    690 		 * Deal with any quirks this board might have.
    691 		 */
    692 		tlp_pci_get_quirks(psc, enaddr, tlp_pci_21040_quirks);
    693 		break;
    694 
    695 	case TULIP_CHIP_21041:
    696 		/* Check for new format SROM. */
    697 		if (tlp_isv_srom_enaddr(sc, enaddr) == 0) {
    698 			/*
    699 			 * Not an ISV SROM; try the old DEC Ethernet Address
    700 			 * ROM format.
    701 			 */
    702 			if (tlp_parse_old_srom(sc, enaddr) == 0)
    703 				goto cant_cope;
    704 		}
    705 
    706 		/*
    707 		 * All 21041 boards use the same media switch; they all
    708 		 * work basically the same!  Yippee!
    709 		 */
    710 		sc->sc_mediasw = &tlp_21041_mediasw;
    711 
    712 		/*
    713 		 * Deal with any quirks this board might have.
    714 		 */
    715 		tlp_pci_get_quirks(psc, enaddr, tlp_pci_21041_quirks);
    716 		break;
    717 
    718 	case TULIP_CHIP_21140:
    719 	case TULIP_CHIP_21140A:
    720 		/* Check for new format SROM. */
    721 		if (tlp_isv_srom_enaddr(sc, enaddr) == 0) {
    722 			/*
    723 			 * Not an ISV SROM; try the old DEC Ethernet Address
    724 			 * ROM format.
    725 			 */
    726 			if (tlp_parse_old_srom(sc, enaddr) == 0)
    727 				goto cant_cope;
    728 		} else {
    729 			/*
    730 			 * We start out with the 2114x ISV media switch.
    731 			 * When we search for quirks, we may change to
    732 			 * a different switch.
    733 			 */
    734 			sc->sc_mediasw = &tlp_2114x_isv_mediasw;
    735 		}
    736 
    737 		/*
    738 		 * Deal with any quirks this board might have.
    739 		 */
    740 		tlp_pci_get_quirks(psc, enaddr, tlp_pci_21140_quirks);
    741 
    742 		/*
    743 		 * Bail out now if we can't deal with this board.
    744 		 */
    745 		if (sc->sc_mediasw == NULL)
    746 			goto cant_cope;
    747 		break;
    748 
    749 	case TULIP_CHIP_21142:
    750 	case TULIP_CHIP_21143:
    751 		/* Check for new format SROM. */
    752 		if (tlp_isv_srom_enaddr(sc, enaddr) == 0) {
    753 			/*
    754 			 * Not an ISV SROM; try the old DEC Ethernet Address
    755 			 * ROM format.
    756 			 */
    757 			if (tlp_parse_old_srom(sc, enaddr) == 0) {
    758 				/*
    759 				 * One last try: just copy the address
    760 				 * from offset 20 and try to look
    761 				 * up quirks.
    762 				 */
    763 				memcpy(enaddr, &sc->sc_srom[20],
    764 				    ETHER_ADDR_LEN);
    765 			}
    766 		} else {
    767 			/*
    768 			 * We start out with the 2114x ISV media switch.
    769 			 * When we search for quirks, we may change to
    770 			 * a different switch.
    771 			 */
    772 			sc->sc_mediasw = &tlp_2114x_isv_mediasw;
    773 		}
    774 
    775 		/*
    776 		 * Deal with any quirks this board might have.
    777 		 */
    778 		tlp_pci_get_quirks(psc, enaddr, tlp_pci_21142_quirks);
    779 
    780 		/*
    781 		 * Bail out now if we can't deal with this board.
    782 		 */
    783 		if (sc->sc_mediasw == NULL)
    784 			goto cant_cope;
    785 		break;
    786 
    787 	case TULIP_CHIP_82C168:
    788 	case TULIP_CHIP_82C169:
    789 		/*
    790 		 * Lite-On PNIC's Ethernet address is the first 6
    791 		 * bytes of its EEPROM.
    792 		 */
    793 		memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN);
    794 
    795 		/*
    796 		 * Lite-On PNICs always use the same mediasw; we
    797 		 * select MII vs. internal NWAY automatically.
    798 		 */
    799 		sc->sc_mediasw = &tlp_pnic_mediasw;
    800 		break;
    801 
    802 	case TULIP_CHIP_MX98713:
    803 		/*
    804 		 * The Macronix MX98713 has an MII and GPIO, but no
    805 		 * internal Nway block.  This chip is basically a
    806 		 * perfect 21140A clone, with the exception of the
    807 		 * a magic register frobbing in order to make the
    808 		 * interface function.
    809 		 */
    810 		if (tlp_isv_srom_enaddr(sc, enaddr)) {
    811 			sc->sc_mediasw = &tlp_2114x_isv_mediasw;
    812 			break;
    813 		}
    814 		/* FALLTHROUGH */
    815 
    816 	case TULIP_CHIP_82C115:
    817 		/*
    818 		 * Yippee!  The Lite-On 82C115 is a clone of
    819 		 * the MX98725 (the data sheet even says `MXIC'
    820 		 * on it)!  Imagine that, a clone of a clone.
    821 		 *
    822 		 * The differences are really minimal:
    823 		 *
    824 		 *	- Wake-On-LAN support
    825 		 *	- 128-bit multicast hash table, rather than
    826 		 *	  the standard 512-bit hash table
    827 		 */
    828 		/* FALLTHROUGH */
    829 
    830 	case TULIP_CHIP_MX98713A:
    831 	case TULIP_CHIP_MX98715A:
    832 	case TULIP_CHIP_MX98715AEC_X:
    833 	case TULIP_CHIP_MX98725:
    834 		/*
    835 		 * The MX98713A has an MII as well as an internal Nway block,
    836 		 * but no GPIO.  The MX98715 and MX98725 have an internal
    837 		 * Nway block only.
    838 		 *
    839 		 * The internal Nway block, unlike the Lite-On PNIC's, does
    840 		 * just that - performs Nway.  Once autonegotiation completes,
    841 		 * we must program the GPR media information into the chip.
    842 		 *
    843 		 * The byte offset of the Ethernet address is stored at
    844 		 * offset 0x70.
    845 		 */
    846 		memcpy(enaddr, &sc->sc_srom[sc->sc_srom[0x70]], ETHER_ADDR_LEN);
    847 		sc->sc_mediasw = &tlp_pmac_mediasw;
    848 		break;
    849 
    850 	case TULIP_CHIP_WB89C840F:
    851 		/*
    852 		 * Winbond 89C840F's Ethernet address is the first
    853 		 * 6 bytes of its EEPROM.
    854 		 */
    855 		memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN);
    856 
    857 		/*
    858 		 * Winbond 89C840F has an MII attached to the SIO.
    859 		 */
    860 		sc->sc_mediasw = &tlp_sio_mii_mediasw;
    861 		break;
    862 
    863 	case TULIP_CHIP_AL981:
    864 		/*
    865 		 * The ADMtek AL981's Ethernet address is located
    866 		 * at offset 8 of its EEPROM.
    867 		 */
    868 		memcpy(enaddr, &sc->sc_srom[8], ETHER_ADDR_LEN);
    869 
    870 		/*
    871 		 * ADMtek AL981 has a built-in PHY accessed through
    872 		 * special registers.
    873 		 */
    874 		sc->sc_mediasw = &tlp_al981_mediasw;
    875 		break;
    876 
    877 	case TULIP_CHIP_AN983:
    878 	case TULIP_CHIP_AN985:
    879 		/*
    880 		 * The ADMtek AN985's Ethernet address is located
    881 		 * at offset 8 of its EEPROM.
    882 		 */
    883 		memcpy(enaddr, &sc->sc_srom[8], ETHER_ADDR_LEN);
    884 
    885 		/*
    886 		 * The ADMtek AN985 can be configured in Single-Chip
    887 		 * mode or MAC-only mode.  Single-Chip uses the built-in
    888 		 * PHY, MAC-only has an external PHY (usually HomePNA).
    889 		 * The selection is based on an EEPROM setting, and both
    890 		 * PHYs are accessed via MII attached to SIO.
    891 		 *
    892 		 * The AN985 "ghosts" the internal PHY onto all
    893 		 * MII addresses, so we have to use a media init
    894 		 * routine that limits the search.
    895 		 * XXX How does this work with MAC-only mode?
    896 		 */
    897 		sc->sc_mediasw = &tlp_an985_mediasw;
    898 		break;
    899 
    900 	case TULIP_CHIP_DM9102:
    901 	case TULIP_CHIP_DM9102A:
    902 		/*
    903 		 * Some boards with the Davicom chip have an ISV
    904 		 * SROM (mostly DM9102A boards -- trying to describe
    905 		 * the HomePNA PHY, probably) although the data in
    906 		 * them is generally wrong.  Check for ISV format
    907 		 * and grab the Ethernet address that way, and if
    908 		 * that fails, fall back on grabbing it from an
    909 		 * observed offset of 20 (which is where it would
    910 		 * be in an ISV SROM anyhow, tho ISV can cope with
    911 		 * multi-port boards).
    912 		 */
    913 		if (!tlp_isv_srom_enaddr(sc, enaddr)) {
    914 #ifdef __sparc__
    915 			if ((sc->sc_srom[20] == 0 &&
    916 			     sc->sc_srom[21] == 0 &&
    917 			     sc->sc_srom[22] == 0) ||
    918 			    (sc->sc_srom[20] == 0xff &&
    919 			     sc->sc_srom[21] == 0xff &&
    920 			     sc->sc_srom[22] == 0xff)) {
    921 				prom_getether(PCITAG_NODE(pa->pa_tag), enaddr);
    922 			} else
    923 #endif
    924 			memcpy(enaddr, &sc->sc_srom[20], ETHER_ADDR_LEN);
    925 		}
    926 
    927 		/*
    928 		 * Davicom chips all have an internal MII interface
    929 		 * and a built-in PHY.  DM9102A also has a an external
    930 		 * MII interface, usually with a HomePNA PHY attached
    931 		 * to it.
    932 		 */
    933 		sc->sc_mediasw = &tlp_dm9102_mediasw;
    934 		break;
    935 
    936 	case TULIP_CHIP_AX88140:
    937 	case TULIP_CHIP_AX88141:
    938 		/*
    939 		 * ASIX AX88140/AX88141 Ethernet Address is located at offset
    940 		 * 20 of the SROM.
    941 		 */
    942 		memcpy(enaddr, &sc->sc_srom[20], ETHER_ADDR_LEN);
    943 
    944 		/*
    945 		 * ASIX AX88140A/AX88141 chip can have a built-in PHY or
    946 		 * an external MII interface.
    947 		 */
    948 		sc->sc_mediasw = &tlp_asix_mediasw;
    949 		break;
    950 
    951 	case TULIP_CHIP_RS7112:
    952 		/*
    953 		 * RS7112 Ethernet Address is located of offset 0x19a
    954 		 * of the SROM
    955 		 */
    956 		memcpy(enaddr, &sc->sc_srom[0x19a], ETHER_ADDR_LEN);
    957 
    958 		/* RS7112 chip has a PHY at MII address 1 */
    959 		sc->sc_mediasw = &tlp_rs7112_mediasw;
    960 		break;
    961 
    962 	default:
    963  cant_cope:
    964 		printf("%s: sorry, unable to handle your board\n",
    965 		    sc->sc_dev.dv_xname);
    966 		return;
    967 	}
    968 
    969 	/*
    970 	 * Handle shared interrupts.
    971 	 */
    972 	if (psc->sc_flags & TULIP_PCI_SHAREDINTR) {
    973 		if (psc->sc_master)
    974 			psc->sc_flags |= TULIP_PCI_SLAVEINTR;
    975 		else {
    976 			tlp_pci_check_slaved(psc, TULIP_PCI_SHAREDINTR,
    977 			    TULIP_PCI_SLAVEINTR);
    978 			if (psc->sc_master == NULL)
    979 				psc->sc_master = psc;
    980 		}
    981 		LIST_INSERT_HEAD(&psc->sc_master->sc_intrslaves,
    982 		    psc, sc_intrq);
    983 	}
    984 
    985 	if (psc->sc_flags & TULIP_PCI_SLAVEINTR) {
    986 		printf("%s: sharing interrupt with %s\n",
    987 		    sc->sc_dev.dv_xname,
    988 		    psc->sc_master->sc_tulip.sc_dev.dv_xname);
    989 	} else {
    990 		/*
    991 		 * Map and establish our interrupt.
    992 		 */
    993 		if (pci_intr_map(pa, &ih)) {
    994 			printf("%s: unable to map interrupt\n",
    995 			    sc->sc_dev.dv_xname);
    996 			return;
    997 		}
    998 		intrstr = pci_intr_string(pc, ih);
    999 		psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET,
   1000 		    (psc->sc_flags & TULIP_PCI_SHAREDINTR) ?
   1001 		    tlp_pci_shared_intr : tlp_intr, sc);
   1002 		if (psc->sc_ih == NULL) {
   1003 			printf("%s: unable to establish interrupt",
   1004 			    sc->sc_dev.dv_xname);
   1005 			if (intrstr != NULL)
   1006 				printf(" at %s", intrstr);
   1007 			printf("\n");
   1008 			return;
   1009 		}
   1010 		printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname,
   1011 		    intrstr);
   1012 	}
   1013 
   1014 	/*
   1015 	 * Finish off the attach.
   1016 	 */
   1017 	tlp_attach(sc, enaddr);
   1018 }
   1019 
   1020 static int
   1021 tlp_pci_shared_intr(void *arg)
   1022 {
   1023 	struct tulip_pci_softc *master = arg, *slave;
   1024 	int rv = 0;
   1025 
   1026 	for (slave = LIST_FIRST(&master->sc_intrslaves);
   1027 	     slave != NULL;
   1028 	     slave = LIST_NEXT(slave, sc_intrq))
   1029 		rv |= tlp_intr(&slave->sc_tulip);
   1030 
   1031 	return (rv);
   1032 }
   1033 
   1034 static void
   1035 tlp_pci_dec_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1036 {
   1037 	struct tulip_softc *sc = &psc->sc_tulip;
   1038 
   1039 	/*
   1040 	 * This isn't really a quirk-gathering device, really.  We
   1041 	 * just want to get the spiffy DEC board name from the SROM.
   1042 	 */
   1043 	strcpy(sc->sc_name, "DEC ");
   1044 
   1045 	if (memcmp(&sc->sc_srom[29], "DE500", 5) == 0 ||
   1046 	    memcmp(&sc->sc_srom[29], "DE450", 5) == 0)
   1047 		memcpy(&sc->sc_name[4], &sc->sc_srom[29], 8);
   1048 	else
   1049 		sc->sc_name[3] = '\0';
   1050 }
   1051 
   1052 static void
   1053 tlp_pci_znyx_21040_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1054 {
   1055 	struct tulip_softc *sc = &psc->sc_tulip;
   1056 	u_int16_t id = 0;
   1057 
   1058 	/*
   1059 	 * If we have a slaved ROM, just copy the bits from the master.
   1060 	 * This is in case we fail the ROM ID check (older boards) and
   1061 	 * need to fall back on Ethernet address model checking; that
   1062 	 * will fail for slave chips.
   1063 	 */
   1064 	if (psc->sc_flags & TULIP_PCI_SLAVEROM) {
   1065 		strcpy(sc->sc_name, psc->sc_master->sc_tulip.sc_name);
   1066 		sc->sc_mediasw = psc->sc_master->sc_tulip.sc_mediasw;
   1067 		psc->sc_flags |=
   1068 		    psc->sc_master->sc_flags & TULIP_PCI_SHAREDINTR;
   1069 		return;
   1070 	}
   1071 
   1072 	if (sc->sc_srom[32] == 0x4a && sc->sc_srom[33] == 0x52) {
   1073 		id = sc->sc_srom[37] | (sc->sc_srom[36] << 8);
   1074 		switch (id) {
   1075  zx312:
   1076 		case 0x0602:	/* ZX312 */
   1077 			strcpy(sc->sc_name, "ZNYX ZX312");
   1078 			return;
   1079 
   1080 		case 0x0622:	/* ZX312T */
   1081 			strcpy(sc->sc_name, "ZNYX ZX312T");
   1082 			sc->sc_mediasw = &tlp_21040_tp_mediasw;
   1083 			return;
   1084 
   1085  zx314_inta:
   1086 		case 0x0701:	/* ZX314 INTA */
   1087 			psc->sc_flags |= TULIP_PCI_SHAREDINTR;
   1088 			/* FALLTHROUGH */
   1089 		case 0x0711:	/* ZX314 */
   1090 			strcpy(sc->sc_name, "ZNYX ZX314");
   1091 			psc->sc_flags |= TULIP_PCI_SHAREDROM;
   1092 			sc->sc_mediasw = &tlp_21040_tp_mediasw;
   1093 			return;
   1094 
   1095  zx315_inta:
   1096 		case 0x0801:	/* ZX315 INTA */
   1097 			psc->sc_flags |= TULIP_PCI_SHAREDINTR;
   1098 			/* FALLTHROUGH */
   1099 		case 0x0811:	/* ZX315 */
   1100 			strcpy(sc->sc_name, "ZNYX ZX315");
   1101 			psc->sc_flags |= TULIP_PCI_SHAREDROM;
   1102 			return;
   1103 
   1104 		default:
   1105 			id = 0;
   1106 			break;
   1107 		}
   1108 	}
   1109 
   1110 	/*
   1111 	 * Deal with boards that have broken ROMs.
   1112 	 */
   1113 	if (id == 0) {
   1114 		if ((enaddr[3] & ~3) == 0xf0 && (enaddr[5] & 3) == 0x00)
   1115 			goto zx314_inta;
   1116 		if ((enaddr[3] & ~3) == 0xf4 && (enaddr[5] & 1) == 0x00)
   1117 			goto zx315_inta;
   1118 		if ((enaddr[3] & ~3) == 0xec)
   1119 			goto zx312;
   1120 	}
   1121 
   1122 	strcpy(sc->sc_name, "ZNYX ZX31x");
   1123 }
   1124 
   1125 static void	tlp_pci_znyx_21142_qs6611_reset(struct tulip_softc *);
   1126 
   1127 static void
   1128 tlp_pci_znyx_21142_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1129 {
   1130 	struct tulip_softc *sc = &psc->sc_tulip;
   1131 	pcireg_t subid;
   1132 
   1133 	subid = pci_conf_read(psc->sc_pc, psc->sc_pcitag, PCI_SUBSYS_ID_REG);
   1134 
   1135 	if (PCI_VENDOR(subid) != PCI_VENDOR_ZNYX)
   1136 		return;		/* ? */
   1137 
   1138 	switch (PCI_PRODUCT(subid) & 0xff) {
   1139 	/*
   1140 	 * ZNYX 21143 boards with QS6611 PHY
   1141 	 */
   1142 	case 0x12:	/* ZX345Q */
   1143 	case 0x13:	/* ZX346Q */
   1144 	case 0x14:	/* ZX348Q */
   1145 	case 0x18:	/* ZX414 */
   1146 	case 0x19:	/* ZX412 */
   1147 	case 0x1a:	/* ZX444 */
   1148 	case 0x1b:	/* ZX442 */
   1149 	case 0x23:	/* ZX212 */
   1150 	case 0x24:	/* ZX214 */
   1151 	case 0x29:	/* ZX374 */
   1152 	case 0x2d:	/* ZX372 */
   1153 	case 0x2b:	/* ZX244 */
   1154 	case 0x2c:	/* ZX424 */
   1155 	case 0x2e:	/* ZX422 */
   1156 		printf("%s: QS6611 PHY\n", sc->sc_dev.dv_xname);
   1157 		sc->sc_reset = tlp_pci_znyx_21142_qs6611_reset;
   1158 		break;
   1159 	}
   1160 }
   1161 
   1162 static void
   1163 tlp_pci_znyx_21142_qs6611_reset(struct tulip_softc *sc)
   1164 {
   1165 
   1166 	/*
   1167 	 * Reset QS6611 PHY.
   1168 	 */
   1169 	TULIP_WRITE(sc, CSR_SIAGEN,
   1170 	    SIAGEN_CWE | SIAGEN_LGS1 | SIAGEN_ABM | (0xf << 16));
   1171 	delay(200);
   1172 	TULIP_WRITE(sc, CSR_SIAGEN, (0x4 << 16));
   1173 	delay(10000);
   1174 }
   1175 
   1176 static void
   1177 tlp_pci_smc_21040_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1178 {
   1179 	struct tulip_softc *sc = &psc->sc_tulip;
   1180 	u_int16_t id1, id2, ei;
   1181 	int auibnc = 0, utp = 0;
   1182 	char *cp;
   1183 
   1184 	id1 = sc->sc_srom[0x60] | (sc->sc_srom[0x61] << 8);
   1185 	id2 = sc->sc_srom[0x62] | (sc->sc_srom[0x63] << 8);
   1186 	ei  = sc->sc_srom[0x66] | (sc->sc_srom[0x67] << 8);
   1187 
   1188 	strcpy(sc->sc_name, "SMC 8432");
   1189 	cp = &sc->sc_name[8];
   1190 
   1191 	if ((id1 & 1) == 0) {
   1192 		*cp++ = 'B';
   1193 		auibnc = 1;
   1194 	}
   1195 	if ((id1 & 0xff) > 0x32) {
   1196 		*cp++ = 'T';
   1197 		utp = 1;
   1198 	}
   1199 	if ((id1 & 0x4000) == 0) {
   1200 		*cp++ = 'A';
   1201 		auibnc = 1;
   1202 	}
   1203 	if (id2 == 0x15) {
   1204 		sc->sc_name[7] = '4';
   1205 		*cp++ = '-';
   1206 		*cp++ = 'C';
   1207 		*cp++ = 'H';
   1208 		*cp++ = ei ? '2' : '1';
   1209 	}
   1210 	*cp = '\0';
   1211 
   1212 	if (utp != 0 && auibnc == 0)
   1213 		sc->sc_mediasw = &tlp_21040_tp_mediasw;
   1214 	else if (utp == 0 && auibnc != 0)
   1215 		sc->sc_mediasw = &tlp_21040_auibnc_mediasw;
   1216 }
   1217 
   1218 static void
   1219 tlp_pci_cogent_21040_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1220 {
   1221 
   1222 	strcpy(psc->sc_tulip.sc_name, "Cogent multi-port");
   1223 	psc->sc_flags |= TULIP_PCI_SHAREDINTR|TULIP_PCI_SHAREDROM;
   1224 }
   1225 
   1226 static void
   1227 tlp_pci_accton_21040_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1228 {
   1229 
   1230 	strcpy(psc->sc_tulip.sc_name, "ACCTON EN1203");
   1231 }
   1232 
   1233 static void	tlp_pci_asante_21140_reset(struct tulip_softc *);
   1234 
   1235 static void
   1236 tlp_pci_asante_21140_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1237 {
   1238 	struct tulip_softc *sc = &psc->sc_tulip;
   1239 
   1240 	/*
   1241 	 * Some Asante boards don't use the ISV SROM format.  For
   1242 	 * those that don't, we initialize the GPIO direction bits,
   1243 	 * and provide our own reset hook, which resets the MII.
   1244 	 *
   1245 	 * All of these boards use SIO-attached-MII media.
   1246 	 */
   1247 	if (sc->sc_mediasw == &tlp_2114x_isv_mediasw)
   1248 		return;
   1249 
   1250 	strcpy(sc->sc_name, "Asante");
   1251 
   1252 	sc->sc_gp_dir = 0xbf;
   1253 	sc->sc_reset = tlp_pci_asante_21140_reset;
   1254 	sc->sc_mediasw = &tlp_sio_mii_mediasw;
   1255 }
   1256 
   1257 static void
   1258 tlp_pci_asante_21140_reset(struct tulip_softc *sc)
   1259 {
   1260 
   1261 	TULIP_WRITE(sc, CSR_GPP, GPP_GPC | sc->sc_gp_dir);
   1262 	TULIP_WRITE(sc, CSR_GPP, 0x8);
   1263 	delay(100);
   1264 	TULIP_WRITE(sc, CSR_GPP, 0);
   1265 }
   1266 
   1267 /*
   1268  * SMC 9332DST media switch.
   1269  */
   1270 static void	tlp_smc9332dst_tmsw_init(struct tulip_softc *);
   1271 
   1272 static const struct tulip_mediasw tlp_smc9332dst_mediasw = {
   1273 	tlp_smc9332dst_tmsw_init,
   1274 	tlp_21140_gpio_get,
   1275 	tlp_21140_gpio_set
   1276 };
   1277 
   1278 static void
   1279 tlp_pci_smc_21140_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1280 {
   1281 	struct tulip_softc *sc = &psc->sc_tulip;
   1282 
   1283 	if (sc->sc_mediasw != NULL) {
   1284 		return;
   1285 	}
   1286 	strcpy(psc->sc_tulip.sc_name, "SMC 9332DST");
   1287 	sc->sc_mediasw = &tlp_smc9332dst_mediasw;
   1288 }
   1289 
   1290 static void
   1291 tlp_smc9332dst_tmsw_init(struct tulip_softc *sc)
   1292 {
   1293 	struct tulip_21x4x_media *tm;
   1294 	const char *sep = "";
   1295 	uint32_t reg;
   1296 	int i, cnt;
   1297 
   1298 	sc->sc_gp_dir = GPP_SMC9332DST_PINS;
   1299 	sc->sc_opmode = OPMODE_MBO | OPMODE_PS;
   1300 	TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
   1301 
   1302 	ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
   1303 	    tlp_mediastatus);
   1304 	printf("%s: ", sc->sc_dev.dv_xname);
   1305 
   1306 #define	ADD(m, c) \
   1307 	tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO);		\
   1308 	tm->tm_opmode = (c);						\
   1309 	tm->tm_gpdata = GPP_SMC9332DST_INIT;				\
   1310 	ifmedia_add(&sc->sc_mii.mii_media, (m), 0, tm)
   1311 #define	PRINT(str)	printf("%s%s", sep, str); sep = ", "
   1312 
   1313 	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), OPMODE_TTM);
   1314 	PRINT("10baseT");
   1315 
   1316 	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0),
   1317 	    OPMODE_TTM | OPMODE_FD);
   1318 	PRINT("10baseT-FDX");
   1319 
   1320 	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0),
   1321 	    OPMODE_PS | OPMODE_PCS | OPMODE_SCR);
   1322 	PRINT("100baseTX");
   1323 
   1324 	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0),
   1325 	    OPMODE_PS | OPMODE_PCS | OPMODE_SCR | OPMODE_FD);
   1326 	PRINT("100baseTX-FDX");
   1327 
   1328 #undef ADD
   1329 #undef PRINT
   1330 
   1331 	printf("\n");
   1332 
   1333 	tlp_reset(sc);
   1334 	TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode | OPMODE_PCS | OPMODE_SCR);
   1335 	TULIP_WRITE(sc, CSR_GPP, GPP_GPC | sc->sc_gp_dir);
   1336 	delay(10);
   1337 	TULIP_WRITE(sc, CSR_GPP, GPP_SMC9332DST_INIT);
   1338 	delay(200000);
   1339 	cnt = 0;
   1340 	for (i = 1000; i > 0; i--) {
   1341 		reg = TULIP_READ(sc, CSR_GPP);
   1342 		if ((~reg & (GPP_SMC9332DST_OK10 |
   1343 			     GPP_SMC9332DST_OK100)) == 0) {
   1344 			if (cnt++ > 100) {
   1345 				break;
   1346 			}
   1347 		} else if ((reg & GPP_SMC9332DST_OK10) == 0) {
   1348 			break;
   1349 		} else {
   1350 			cnt = 0;
   1351 		}
   1352 		delay(1000);
   1353 	}
   1354 	if (cnt > 100) {
   1355 		ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_100_TX);
   1356 	} else {
   1357 		ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T);
   1358 	}
   1359 }
   1360 
   1361 static void
   1362 tlp_pci_vpc_21140_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1363 {
   1364 	struct tulip_softc *sc = &psc->sc_tulip;
   1365 	char *p1 = (char *) &sc->sc_srom[32];
   1366 	char *p2 = &sc->sc_name[0];
   1367 
   1368 	do {
   1369 		if ((unsigned char) *p1 & 0x80)
   1370 			*p2++ = ' ';
   1371 		else
   1372 			*p2++ = *p1;
   1373 	} while (*p1++);
   1374 }
   1375 
   1376 static void	tlp_pci_cobalt_21142_reset(struct tulip_softc *);
   1377 
   1378 static void
   1379 tlp_pci_cobalt_21142_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1380 {
   1381 	struct tulip_softc *sc = &psc->sc_tulip;
   1382 
   1383 	/*
   1384 	 * Cobalt Networks interfaces are just MII-on-SIO.
   1385 	 */
   1386 	sc->sc_reset = tlp_pci_cobalt_21142_reset;
   1387 	sc->sc_mediasw = &tlp_sio_mii_mediasw;
   1388 
   1389 	/*
   1390 	 * The Cobalt systems tend to fall back to store-and-forward
   1391 	 * pretty quickly, so we select that from the beginning to
   1392 	 * avoid initial timeouts.
   1393 	 */
   1394 	sc->sc_txthresh = TXTH_SF;
   1395 }
   1396 
   1397 static void
   1398 tlp_pci_cobalt_21142_reset(struct tulip_softc *sc)
   1399 {
   1400 	/*
   1401 	 * Reset PHY.
   1402 	 */
   1403 	TULIP_WRITE(sc, CSR_SIAGEN, SIAGEN_CWE | (1 << 16));
   1404 	delay(10);
   1405 	TULIP_WRITE(sc, CSR_SIAGEN, SIAGEN_CWE);
   1406 	delay(10);
   1407 }
   1408 
   1409 static void
   1410 tlp_pci_algor_21142_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1411 {
   1412 	struct tulip_softc *sc = &psc->sc_tulip;
   1413 
   1414 	/*
   1415 	 * Algorithmics boards just have MII-on-SIO.
   1416 	 *
   1417 	 * XXX They also have AUI on the serial interface.
   1418 	 * XXX Deal with this.
   1419 	 */
   1420 	sc->sc_mediasw = &tlp_sio_mii_mediasw;
   1421 }
   1422 
   1423 /*
   1424  * Cogent EM1x0 (aka. Adaptec ANA-6910) media switch.
   1425  */
   1426 static void	tlp_cogent_em1x0_tmsw_init(struct tulip_softc *);
   1427 
   1428 static const struct tulip_mediasw tlp_cogent_em1x0_mediasw = {
   1429 	tlp_cogent_em1x0_tmsw_init,
   1430 	tlp_21140_gpio_get,
   1431 	tlp_21140_gpio_set
   1432 };
   1433 
   1434 static void
   1435 tlp_pci_adaptec_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1436 {
   1437 	struct tulip_softc *sc = &psc->sc_tulip;
   1438 	uint8_t *srom = sc->sc_srom, id0;
   1439 	uint16_t id1, id2;
   1440 
   1441 	if (sc->sc_mediasw == NULL) {
   1442 		id0 = srom[32];
   1443 		switch (id0) {
   1444 		case 0x12:
   1445 			strcpy(psc->sc_tulip.sc_name, "Cogent EM100TX");
   1446  			sc->sc_mediasw = &tlp_cogent_em1x0_mediasw;
   1447 			break;
   1448 
   1449 		case 0x15:
   1450 			strcpy(psc->sc_tulip.sc_name, "Cogent EM100FX");
   1451  			sc->sc_mediasw = &tlp_cogent_em1x0_mediasw;
   1452 			break;
   1453 
   1454 #if 0
   1455 		case XXX:
   1456 			strcpy(psc->sc_tulip.sc_name, "Cogent EM110TX");
   1457  			sc->sc_mediasw = &tlp_cogent_em1x0_mediasw;
   1458 			break;
   1459 #endif
   1460 
   1461 		default:
   1462 			printf("%s: unknown Cogent board ID 0x%02x\n",
   1463 			    sc->sc_dev.dv_xname, id0);
   1464 		}
   1465 		return;
   1466 	}
   1467 
   1468 	id1 = TULIP_ROM_GETW(srom, 0);
   1469 	id2 = TULIP_ROM_GETW(srom, 2);
   1470 	if (id1 != 0x1109) {
   1471 		goto unknown;
   1472 	}
   1473 
   1474 	switch (id2) {
   1475 	case 0x1900:
   1476 		strcpy(psc->sc_tulip.sc_name, "Adaptec ANA-6911");
   1477 		break;
   1478 
   1479 	case 0x2400:
   1480 		strcpy(psc->sc_tulip.sc_name, "Adaptec ANA-6944A");
   1481 		psc->sc_flags |= TULIP_PCI_SHAREDINTR|TULIP_PCI_SHAREDROM;
   1482 		break;
   1483 
   1484 	case 0x2b00:
   1485 		strcpy(psc->sc_tulip.sc_name, "Adaptec ANA-6911A");
   1486 		break;
   1487 
   1488 	case 0x3000:
   1489 		strcpy(psc->sc_tulip.sc_name, "Adaptec ANA-6922");
   1490 		psc->sc_flags |= TULIP_PCI_SHAREDINTR|TULIP_PCI_SHAREDROM;
   1491 		break;
   1492 
   1493 	default:
   1494 unknown:
   1495 		printf("%s: unknown Adaptec/Cogent board ID 0x%04x/0x%04x\n",
   1496 		    sc->sc_dev.dv_xname, id1, id2);
   1497 	}
   1498 }
   1499 
   1500 static void
   1501 tlp_cogent_em1x0_tmsw_init(struct tulip_softc *sc)
   1502 {
   1503 	struct tulip_21x4x_media *tm;
   1504 	const char *sep = "";
   1505 
   1506 	sc->sc_gp_dir = GPP_COGENT_EM1x0_PINS;
   1507 	sc->sc_opmode = OPMODE_MBO | OPMODE_PS;
   1508 	TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
   1509 
   1510 	ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
   1511 	    tlp_mediastatus);
   1512 	printf("%s: ", sc->sc_dev.dv_xname);
   1513 
   1514 #define	ADD(m, c) \
   1515 	tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO);		\
   1516 	tm->tm_opmode = (c);						\
   1517 	tm->tm_gpdata = GPP_COGENT_EM1x0_INIT;				\
   1518 	ifmedia_add(&sc->sc_mii.mii_media, (m), 0, tm)
   1519 #define	PRINT(str)	printf("%s%s", sep, str); sep = ", "
   1520 
   1521 	if (sc->sc_srom[32] == 0x15) {
   1522 		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, 0, 0),
   1523 		    OPMODE_PS | OPMODE_PCS);
   1524 		PRINT("100baseFX");
   1525 
   1526 		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, IFM_FDX, 0),
   1527 		    OPMODE_PS | OPMODE_PCS | OPMODE_FD);
   1528 		PRINT("100baseFX-FDX");
   1529 		printf("\n");
   1530 
   1531 		ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_100_FX);
   1532 	} else {
   1533 		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0),
   1534 		    OPMODE_PS | OPMODE_PCS | OPMODE_SCR);
   1535 		PRINT("100baseTX");
   1536 
   1537 		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, IFM_FDX, 0),
   1538 		    OPMODE_PS | OPMODE_PCS | OPMODE_SCR | OPMODE_FD);
   1539 		PRINT("100baseTX-FDX");
   1540 		printf("\n");
   1541 
   1542 		ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_100_TX);
   1543 	}
   1544 
   1545 #undef ADD
   1546 #undef PRINT
   1547 }
   1548 
   1549 static void	tlp_pci_netwinder_21142_reset(struct tulip_softc *);
   1550 
   1551 static void
   1552 tlp_pci_netwinder_21142_quirks(struct tulip_pci_softc *psc,
   1553     const u_int8_t *enaddr)
   1554 {
   1555 	struct tulip_softc *sc = &psc->sc_tulip;
   1556 
   1557 	/*
   1558 	 * Netwinders just use MII-on_SIO.
   1559 	 */
   1560 	sc->sc_mediasw = &tlp_sio_mii_mediasw;
   1561 	sc->sc_reset = tlp_pci_netwinder_21142_reset;
   1562 }
   1563 
   1564 void
   1565 tlp_pci_netwinder_21142_reset(struct tulip_softc *sc)
   1566 {
   1567 
   1568 	/*
   1569 	 * Reset the PHY.
   1570 	 */
   1571 	TULIP_WRITE(sc, CSR_SIAGEN, 0x0821 << 16);
   1572 	delay(10);
   1573 	TULIP_WRITE(sc, CSR_SIAGEN, 0x0000 << 16);
   1574 	delay(10);
   1575 	TULIP_WRITE(sc, CSR_SIAGEN, 0x0001 << 16);
   1576 	delay(10);
   1577 }
   1578