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if_tlp_pci.c revision 1.81
      1 /*	$NetBSD: if_tlp_pci.c,v 1.81 2005/07/17 00:44:13 rpaulo 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 1.81 2005/07/17 00:44:13 rpaulo 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 	{ 0,				0,
    176 	  TULIP_CHIP_INVALID },
    177 };
    178 
    179 struct tlp_pci_quirks {
    180 	void		(*tpq_func)(struct tulip_pci_softc *,
    181 			    const u_int8_t *);
    182 	u_int8_t	tpq_oui[3];
    183 };
    184 
    185 static void	tlp_pci_dec_quirks(struct tulip_pci_softc *,
    186 		    const u_int8_t *);
    187 
    188 static void	tlp_pci_znyx_21040_quirks(struct tulip_pci_softc *,
    189 		    const u_int8_t *);
    190 static void	tlp_pci_smc_21040_quirks(struct tulip_pci_softc *,
    191 		    const u_int8_t *);
    192 static void	tlp_pci_cogent_21040_quirks(struct tulip_pci_softc *,
    193 		    const u_int8_t *);
    194 static void	tlp_pci_accton_21040_quirks(struct tulip_pci_softc *,
    195 		    const u_int8_t *);
    196 
    197 static void	tlp_pci_cobalt_21142_quirks(struct tulip_pci_softc *,
    198 		    const u_int8_t *);
    199 static void	tlp_pci_algor_21142_quirks(struct tulip_pci_softc *,
    200 		    const u_int8_t *);
    201 static void	tlp_pci_netwinder_21142_quirks(struct tulip_pci_softc *,
    202 		    const u_int8_t *);
    203 static void	tlp_pci_znyx_21142_quirks(struct tulip_pci_softc *,
    204 		    const u_int8_t *);
    205 
    206 static void	tlp_pci_adaptec_quirks(struct tulip_pci_softc *,
    207 		    const u_int8_t *);
    208 
    209 static const struct tlp_pci_quirks tlp_pci_21040_quirks[] = {
    210 	{ tlp_pci_znyx_21040_quirks,	{ 0x00, 0xc0, 0x95 } },
    211 	{ tlp_pci_smc_21040_quirks,	{ 0x00, 0x00, 0xc0 } },
    212 	{ tlp_pci_cogent_21040_quirks,	{ 0x00, 0x00, 0x92 } },
    213 	{ tlp_pci_accton_21040_quirks,	{ 0x00, 0x00, 0xe8 } },
    214 	{ NULL,				{ 0, 0, 0 } }
    215 };
    216 
    217 static const struct tlp_pci_quirks tlp_pci_21041_quirks[] = {
    218 	{ tlp_pci_dec_quirks,		{ 0x08, 0x00, 0x2b } },
    219 	{ tlp_pci_dec_quirks,		{ 0x00, 0x00, 0xf8 } },
    220 	{ NULL,				{ 0, 0, 0 } }
    221 };
    222 
    223 static void	tlp_pci_asante_21140_quirks(struct tulip_pci_softc *,
    224 		    const u_int8_t *);
    225 static void	tlp_pci_smc_21140_quirks(struct tulip_pci_softc *,
    226 		    const u_int8_t *);
    227 static void	tlp_pci_vpc_21140_quirks(struct tulip_pci_softc *,
    228 		    const u_int8_t *);
    229 
    230 static const struct tlp_pci_quirks tlp_pci_21140_quirks[] = {
    231 	{ tlp_pci_dec_quirks,		{ 0x08, 0x00, 0x2b } },
    232 	{ tlp_pci_dec_quirks,		{ 0x00, 0x00, 0xf8 } },
    233 	{ tlp_pci_asante_21140_quirks,	{ 0x00, 0x00, 0x94 } },
    234 	{ tlp_pci_adaptec_quirks,	{ 0x00, 0x00, 0x92 } },
    235 	{ tlp_pci_adaptec_quirks,	{ 0x00, 0x00, 0xd1 } },
    236 	{ tlp_pci_smc_21140_quirks,	{ 0x00, 0x00, 0xc0 } },
    237 	{ tlp_pci_vpc_21140_quirks,	{ 0x00, 0x03, 0xff } },
    238 	{ NULL,				{ 0, 0, 0 } }
    239 };
    240 
    241 static const struct tlp_pci_quirks tlp_pci_21142_quirks[] = {
    242 	{ tlp_pci_dec_quirks,		{ 0x08, 0x00, 0x2b } },
    243 	{ tlp_pci_dec_quirks,		{ 0x00, 0x00, 0xf8 } },
    244 	{ tlp_pci_cobalt_21142_quirks,	{ 0x00, 0x10, 0xe0 } },
    245 	{ tlp_pci_algor_21142_quirks,	{ 0x00, 0x40, 0xbc } },
    246 	{ tlp_pci_adaptec_quirks,	{ 0x00, 0x00, 0xd1 } },
    247 	{ tlp_pci_netwinder_21142_quirks,{ 0x00, 0x10, 0x57 } },
    248 	{ tlp_pci_znyx_21142_quirks,	{ 0x00, 0xc0, 0x95 } },
    249 	{ NULL,				{ 0, 0, 0 } }
    250 };
    251 
    252 static int	tlp_pci_shared_intr(void *);
    253 
    254 static const struct tulip_pci_product *
    255 tlp_pci_lookup(const struct pci_attach_args *pa)
    256 {
    257 	const struct tulip_pci_product *tpp;
    258 
    259 	for (tpp = tlp_pci_products;
    260 	     tlp_chip_names[tpp->tpp_chip] != NULL;
    261 	     tpp++) {
    262 		if (PCI_VENDOR(pa->pa_id) == tpp->tpp_vendor &&
    263 		    PCI_PRODUCT(pa->pa_id) == tpp->tpp_product)
    264 			return (tpp);
    265 	}
    266 	return (NULL);
    267 }
    268 
    269 static void
    270 tlp_pci_get_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr,
    271     const struct tlp_pci_quirks *tpq)
    272 {
    273 
    274 	for (; tpq->tpq_func != NULL; tpq++) {
    275 		if (tpq->tpq_oui[0] == enaddr[0] &&
    276 		    tpq->tpq_oui[1] == enaddr[1] &&
    277 		    tpq->tpq_oui[2] == enaddr[2]) {
    278 			(*tpq->tpq_func)(psc, enaddr);
    279 			return;
    280 		}
    281 	}
    282 }
    283 
    284 static void
    285 tlp_pci_check_slaved(struct tulip_pci_softc *psc, int shared, int slaved)
    286 {
    287 	extern struct cfdriver tlp_cd;
    288 	struct tulip_pci_softc *cur, *best = NULL;
    289 	struct tulip_softc *sc = &psc->sc_tulip;
    290 	int i;
    291 
    292 	/*
    293 	 * First of all, find the lowest pcidev numbered device on our
    294 	 * bus marked as shared.  That should be our master.
    295 	 */
    296 	for (i = 0; i < tlp_cd.cd_ndevs; i++) {
    297 		if ((cur = tlp_cd.cd_devs[i]) == NULL)
    298 			continue;
    299 		if (cur->sc_tulip.sc_dev.dv_parent != sc->sc_dev.dv_parent)
    300 			continue;
    301 		if ((cur->sc_flags & shared) == 0)
    302 			continue;
    303 		if (cur == psc)
    304 			continue;
    305 		if (best == NULL ||
    306 		    best->sc_tulip.sc_devno > cur->sc_tulip.sc_devno)
    307 			best = cur;
    308 	}
    309 
    310 	if (best != NULL) {
    311 		psc->sc_master = best;
    312 		psc->sc_flags |= (shared | slaved);
    313 	}
    314 }
    315 
    316 static int
    317 tlp_pci_match(struct device *parent, struct cfdata *match, void *aux)
    318 {
    319 	struct pci_attach_args *pa = aux;
    320 
    321 	if (tlp_pci_lookup(pa) != NULL)
    322 		return (10);	/* beat if_de.c */
    323 
    324 	return (0);
    325 }
    326 
    327 static void
    328 tlp_pci_attach(struct device *parent, struct device *self, void *aux)
    329 {
    330 	struct tulip_pci_softc *psc = (void *) self;
    331 	struct tulip_softc *sc = &psc->sc_tulip;
    332 	struct pci_attach_args *pa = aux;
    333 	pci_chipset_tag_t pc = pa->pa_pc;
    334 	pci_intr_handle_t ih;
    335 	const char *intrstr = NULL;
    336 	bus_space_tag_t iot, memt;
    337 	bus_space_handle_t ioh, memh;
    338 	int ioh_valid, memh_valid, i, j;
    339 	const struct tulip_pci_product *tpp;
    340 	u_int8_t enaddr[ETHER_ADDR_LEN];
    341 	u_int32_t val = 0;
    342 	pcireg_t reg;
    343 	int pmreg;
    344 
    345 	sc->sc_devno = pa->pa_device;
    346 	psc->sc_pc = pa->pa_pc;
    347 	psc->sc_pcitag = pa->pa_tag;
    348 
    349 	LIST_INIT(&psc->sc_intrslaves);
    350 
    351 	tpp = tlp_pci_lookup(pa);
    352 	if (tpp == NULL) {
    353 		printf("\n");
    354 		panic("tlp_pci_attach: impossible");
    355 	}
    356 	sc->sc_chip = tpp->tpp_chip;
    357 
    358 	/*
    359 	 * By default, Tulip registers are 8 bytes long (4 bytes
    360 	 * followed by a 4 byte pad).
    361 	 */
    362 	sc->sc_regshift = 3;
    363 
    364 	/*
    365 	 * No power management hooks.
    366 	 * XXX Maybe we should add some!
    367 	 */
    368 	sc->sc_flags |= TULIPF_ENABLED;
    369 
    370 	/*
    371 	 * Get revision info, and set some chip-specific variables.
    372 	 */
    373 	sc->sc_rev = PCI_REVISION(pa->pa_class);
    374 	switch (sc->sc_chip) {
    375 	case TULIP_CHIP_21140:
    376 		if (sc->sc_rev >= 0x20)
    377 			sc->sc_chip = TULIP_CHIP_21140A;
    378 		break;
    379 
    380 	case TULIP_CHIP_21142:
    381 		if (sc->sc_rev >= 0x20)
    382 			sc->sc_chip = TULIP_CHIP_21143;
    383 		break;
    384 
    385 	case TULIP_CHIP_82C168:
    386 		if (sc->sc_rev >= 0x20)
    387 			sc->sc_chip = TULIP_CHIP_82C169;
    388 		break;
    389 
    390 	case TULIP_CHIP_MX98713:
    391 		if (sc->sc_rev >= 0x10)
    392 			sc->sc_chip = TULIP_CHIP_MX98713A;
    393 		break;
    394 
    395 	case TULIP_CHIP_MX98715:
    396 		if (sc->sc_rev >= 0x20)
    397 			sc->sc_chip = TULIP_CHIP_MX98715A;
    398  		if (sc->sc_rev >= 0x25)
    399  			sc->sc_chip = TULIP_CHIP_MX98715AEC_X;
    400 		if (sc->sc_rev >= 0x30)
    401 			sc->sc_chip = TULIP_CHIP_MX98725;
    402 		break;
    403 
    404 	case TULIP_CHIP_WB89C840F:
    405 		sc->sc_regshift = 2;
    406 		break;
    407 
    408 	case TULIP_CHIP_AN985:
    409 		/*
    410 		 * The AN983 and AN985 are very similar, and are
    411 		 * differentiated by a "signature" register that
    412 		 * is like, but not identical, to a PCI ID register.
    413 		 */
    414 		reg = pci_conf_read(pc, pa->pa_tag, 0x80);
    415 		switch (reg) {
    416 		case 0x09811317:
    417 			sc->sc_chip = TULIP_CHIP_AN985;
    418 			break;
    419 
    420 		case 0x09851317:
    421 			sc->sc_chip = TULIP_CHIP_AN983;
    422 			break;
    423 
    424 		default:
    425 			/* Unknown -- use default. */
    426 			break;
    427 		}
    428 		break;
    429 
    430 	case TULIP_CHIP_AX88140:
    431 		if (sc->sc_rev >= 0x10)
    432 			sc->sc_chip = TULIP_CHIP_AX88141;
    433 		break;
    434 
    435 	case TULIP_CHIP_DM9102:
    436 		if (sc->sc_rev >= 0x30)
    437 			sc->sc_chip = TULIP_CHIP_DM9102A;
    438 		break;
    439 
    440 	default:
    441 		/* Nothing. */
    442 		break;
    443 	}
    444 
    445 	printf(": %s Ethernet, pass %d.%d\n",
    446 	    tlp_chip_names[sc->sc_chip],
    447 	    (sc->sc_rev >> 4) & 0xf, sc->sc_rev & 0xf);
    448 
    449 	switch (sc->sc_chip) {
    450 	case TULIP_CHIP_21040:
    451 		if (sc->sc_rev < 0x20) {
    452 			printf("%s: 21040 must be at least pass 2.0\n",
    453 			    sc->sc_dev.dv_xname);
    454 			return;
    455 		}
    456 		break;
    457 
    458 	case TULIP_CHIP_21140:
    459 		if (sc->sc_rev < 0x11) {
    460 			printf("%s: 21140 must be at least pass 1.1\n",
    461 			    sc->sc_dev.dv_xname);
    462 			return;
    463 		}
    464 		break;
    465 
    466 	default:
    467 		/* Nothing. */
    468 		break;
    469 	}
    470 
    471 	/*
    472 	 * Check to see if the device is in power-save mode, and
    473 	 * being it out if necessary.
    474 	 */
    475 	switch (sc->sc_chip) {
    476 	case TULIP_CHIP_21140:
    477 	case TULIP_CHIP_21140A:
    478 	case TULIP_CHIP_21142:
    479 	case TULIP_CHIP_21143:
    480 	case TULIP_CHIP_MX98713A:
    481 	case TULIP_CHIP_MX98715:
    482 	case TULIP_CHIP_MX98715A:
    483 	case TULIP_CHIP_MX98715AEC_X:
    484 	case TULIP_CHIP_MX98725:
    485 	case TULIP_CHIP_DM9102:
    486 	case TULIP_CHIP_DM9102A:
    487 	case TULIP_CHIP_AX88140:
    488 	case TULIP_CHIP_AX88141:
    489 		/*
    490 		 * Clear the "sleep mode" bit in the CFDA register.
    491 		 */
    492 		reg = pci_conf_read(pc, pa->pa_tag, TULIP_PCI_CFDA);
    493 		if (reg & (CFDA_SLEEP|CFDA_SNOOZE))
    494 			pci_conf_write(pc, pa->pa_tag, TULIP_PCI_CFDA,
    495 			    reg & ~(CFDA_SLEEP|CFDA_SNOOZE));
    496 		break;
    497 
    498 	default:
    499 		/* Nothing. */
    500 		break;
    501 	}
    502 
    503 	if (pci_get_capability(pc, pa->pa_tag, PCI_CAP_PWRMGMT, &pmreg, 0)) {
    504 		reg = pci_conf_read(pc, pa->pa_tag, pmreg + PCI_PMCSR);
    505 		switch (reg & PCI_PMCSR_STATE_MASK) {
    506 		case PCI_PMCSR_STATE_D1:
    507 		case PCI_PMCSR_STATE_D2:
    508 			printf("%s: waking up from power state D%d\n%s",
    509 			    sc->sc_dev.dv_xname,
    510 			    reg & PCI_PMCSR_STATE_MASK, sc->sc_dev.dv_xname);
    511 			pci_conf_write(pc, pa->pa_tag, pmreg + PCI_PMCSR,
    512 			    (reg & ~PCI_PMCSR_STATE_MASK) |
    513 			    PCI_PMCSR_STATE_D0);
    514 			break;
    515 		case PCI_PMCSR_STATE_D3:
    516 			/*
    517 			 * The card has lost all configuration data in
    518 			 * this state, so punt.
    519 			 */
    520 			printf("%s: unable to wake up from power state D3, "
    521 			       "reboot required.\n", sc->sc_dev.dv_xname);
    522 			pci_conf_write(pc, pa->pa_tag, pmreg + PCI_PMCSR,
    523 			    (reg & ~PCI_PMCSR_STATE_MASK) |
    524 			    PCI_PMCSR_STATE_D0);
    525 			return;
    526 		}
    527 	}
    528 
    529 	/*
    530 	 * Map the device.
    531 	 */
    532 	ioh_valid = (pci_mapreg_map(pa, TULIP_PCI_IOBA,
    533 	    PCI_MAPREG_TYPE_IO, 0,
    534 	    &iot, &ioh, NULL, NULL) == 0);
    535 	memh_valid = (pci_mapreg_map(pa, TULIP_PCI_MMBA,
    536 	    PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0,
    537 	    &memt, &memh, NULL, NULL) == 0);
    538 
    539 	if (memh_valid) {
    540 		sc->sc_st = memt;
    541 		sc->sc_sh = memh;
    542 	} else if (ioh_valid) {
    543 		sc->sc_st = iot;
    544 		sc->sc_sh = ioh;
    545 	} else {
    546 		printf("%s: unable to map device registers\n",
    547 		    sc->sc_dev.dv_xname);
    548 		return;
    549 	}
    550 
    551 	sc->sc_dmat = pa->pa_dmat;
    552 
    553 	/*
    554 	 * Make sure bus mastering is enabled.
    555 	 */
    556 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
    557 	    pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
    558 	    PCI_COMMAND_MASTER_ENABLE);
    559 
    560 	/*
    561 	 * Get the cacheline size.
    562 	 */
    563 	sc->sc_cacheline = PCI_CACHELINE(pci_conf_read(pc, pa->pa_tag,
    564 	    PCI_BHLC_REG));
    565 
    566 	/*
    567 	 * Get PCI data moving command info.
    568 	 */
    569 	if (pa->pa_flags & PCI_FLAGS_MRL_OKAY)
    570 		sc->sc_flags |= TULIPF_MRL;
    571 	if (pa->pa_flags & PCI_FLAGS_MRM_OKAY)
    572 		sc->sc_flags |= TULIPF_MRM;
    573 	if (pa->pa_flags & PCI_FLAGS_MWI_OKAY)
    574 		sc->sc_flags |= TULIPF_MWI;
    575 
    576 	/*
    577 	 * Read the contents of the Ethernet Address ROM/SROM.
    578 	 */
    579 	switch (sc->sc_chip) {
    580 	case TULIP_CHIP_21040:
    581 		sc->sc_srom_addrbits = 6;
    582 		sc->sc_srom = malloc(TULIP_ROM_SIZE(6), M_DEVBUF, M_NOWAIT);
    583 		TULIP_WRITE(sc, CSR_MIIROM, MIIROM_SROMCS);
    584 		for (i = 0; i < TULIP_ROM_SIZE(6); i++) {
    585 			for (j = 0; j < 10000; j++) {
    586 				val = TULIP_READ(sc, CSR_MIIROM);
    587 				if ((val & MIIROM_DN) == 0)
    588 					break;
    589 			}
    590 			sc->sc_srom[i] = val & MIIROM_DATA;
    591 		}
    592 		break;
    593 
    594 	case TULIP_CHIP_82C168:
    595 	case TULIP_CHIP_82C169:
    596 	    {
    597 		sc->sc_srom_addrbits = 2;
    598 		sc->sc_srom = malloc(TULIP_ROM_SIZE(2), M_DEVBUF, M_NOWAIT);
    599 
    600 		/*
    601 		 * The Lite-On PNIC stores the Ethernet address in
    602 		 * the first 3 words of the EEPROM.  EEPROM access
    603 		 * is not like the other Tulip chips.
    604 		 */
    605 		for (i = 0; i < 6; i += 2) {
    606 			TULIP_WRITE(sc, CSR_PNIC_SROMCTL,
    607 			    PNIC_SROMCTL_READ | (i >> 1));
    608 			for (j = 0; j < 500; j++) {
    609 				delay(2);
    610 				val = TULIP_READ(sc, CSR_MIIROM);
    611 				if ((val & PNIC_MIIROM_BUSY) == 0)
    612 					break;
    613 			}
    614 			if (val & PNIC_MIIROM_BUSY) {
    615 				printf("%s: EEPROM timed out\n",
    616 				    sc->sc_dev.dv_xname);
    617 				return;
    618 			}
    619 			val &= PNIC_MIIROM_DATA;
    620 			sc->sc_srom[i] = val >> 8;
    621 			sc->sc_srom[i + 1] = val & 0xff;
    622 		}
    623 		break;
    624 	    }
    625 
    626 	default:
    627 #ifdef algor
    628 		/*
    629 		 * XXX This should be done with device properties, but
    630 		 * XXX we don't have those yet.
    631 		 */
    632 		if (algor_get_ethaddr(pa, NULL)) {
    633 			extern int tlp_srom_debug;
    634 			sc->sc_srom_addrbits = 6;
    635 			sc->sc_srom = malloc(TULIP_ROM_SIZE(6), M_DEVBUF,
    636 			    M_NOWAIT|M_ZERO);
    637 			algor_get_ethaddr(pa, sc->sc_srom);
    638 			if (tlp_srom_debug) {
    639 				printf("SROM CONTENTS:");
    640 				for (i = 0; i < TULIP_ROM_SIZE(6); i++) {
    641 					if ((i % 8) == 0)
    642 						printf("\n\t");
    643 					printf("0x%02x ", sc->sc_srom[i]);
    644 				}
    645 				printf("\n");
    646 			}
    647 			break;
    648 		}
    649 #endif /* algor */
    650 
    651 		/* Check for a slaved ROM on a multi-port board. */
    652 		tlp_pci_check_slaved(psc, TULIP_PCI_SHAREDROM,
    653 		    TULIP_PCI_SLAVEROM);
    654 		if (psc->sc_flags & TULIP_PCI_SLAVEROM) {
    655 			sc->sc_srom_addrbits =
    656 			    psc->sc_master->sc_tulip.sc_srom_addrbits;
    657 			sc->sc_srom = psc->sc_master->sc_tulip.sc_srom;
    658 			enaddr[5] +=
    659 			    sc->sc_devno - psc->sc_master->sc_tulip.sc_devno;
    660 		}
    661 		else if (tlp_read_srom(sc) == 0)
    662 			goto cant_cope;
    663 		break;
    664 	}
    665 
    666 	/*
    667 	 * Deal with chip/board quirks.  This includes setting up
    668 	 * the mediasw, and extracting the Ethernet address from
    669 	 * the rombuf.
    670 	 */
    671 	switch (sc->sc_chip) {
    672 	case TULIP_CHIP_21040:
    673 		/*
    674 		 * Parse the Ethernet Address ROM.
    675 		 */
    676 		if (tlp_parse_old_srom(sc, enaddr) == 0)
    677 			goto cant_cope;
    678 
    679 
    680 		/*
    681 		 * All 21040 boards start out with the same
    682 		 * media switch.
    683 		 */
    684 		sc->sc_mediasw = &tlp_21040_mediasw;
    685 
    686 		/*
    687 		 * Deal with any quirks this board might have.
    688 		 */
    689 		tlp_pci_get_quirks(psc, enaddr, tlp_pci_21040_quirks);
    690 		break;
    691 
    692 	case TULIP_CHIP_21041:
    693 		/* Check for new format SROM. */
    694 		if (tlp_isv_srom_enaddr(sc, enaddr) == 0) {
    695 			/*
    696 			 * Not an ISV SROM; try the old DEC Ethernet Address
    697 			 * ROM format.
    698 			 */
    699 			if (tlp_parse_old_srom(sc, enaddr) == 0)
    700 				goto cant_cope;
    701 		}
    702 
    703 		/*
    704 		 * All 21041 boards use the same media switch; they all
    705 		 * work basically the same!  Yippee!
    706 		 */
    707 		sc->sc_mediasw = &tlp_21041_mediasw;
    708 
    709 		/*
    710 		 * Deal with any quirks this board might have.
    711 		 */
    712 		tlp_pci_get_quirks(psc, enaddr, tlp_pci_21041_quirks);
    713 		break;
    714 
    715 	case TULIP_CHIP_21140:
    716 	case TULIP_CHIP_21140A:
    717 		/* Check for new format SROM. */
    718 		if (tlp_isv_srom_enaddr(sc, enaddr) == 0) {
    719 			/*
    720 			 * Not an ISV SROM; try the old DEC Ethernet Address
    721 			 * ROM format.
    722 			 */
    723 			if (tlp_parse_old_srom(sc, enaddr) == 0)
    724 				goto cant_cope;
    725 		} else {
    726 			/*
    727 			 * We start out with the 2114x ISV media switch.
    728 			 * When we search for quirks, we may change to
    729 			 * a different switch.
    730 			 */
    731 			sc->sc_mediasw = &tlp_2114x_isv_mediasw;
    732 		}
    733 
    734 		/*
    735 		 * Deal with any quirks this board might have.
    736 		 */
    737 		tlp_pci_get_quirks(psc, enaddr, tlp_pci_21140_quirks);
    738 
    739 		/*
    740 		 * Bail out now if we can't deal with this board.
    741 		 */
    742 		if (sc->sc_mediasw == NULL)
    743 			goto cant_cope;
    744 		break;
    745 
    746 	case TULIP_CHIP_21142:
    747 	case TULIP_CHIP_21143:
    748 		/* Check for new format SROM. */
    749 		if (tlp_isv_srom_enaddr(sc, enaddr) == 0) {
    750 			/*
    751 			 * Not an ISV SROM; try the old DEC Ethernet Address
    752 			 * ROM format.
    753 			 */
    754 			if (tlp_parse_old_srom(sc, enaddr) == 0) {
    755 				/*
    756 				 * One last try: just copy the address
    757 				 * from offset 20 and try to look
    758 				 * up quirks.
    759 				 */
    760 				memcpy(enaddr, &sc->sc_srom[20],
    761 				    ETHER_ADDR_LEN);
    762 			}
    763 		} else {
    764 			/*
    765 			 * We start out with the 2114x ISV media switch.
    766 			 * When we search for quirks, we may change to
    767 			 * a different switch.
    768 			 */
    769 			sc->sc_mediasw = &tlp_2114x_isv_mediasw;
    770 		}
    771 
    772 		/*
    773 		 * Deal with any quirks this board might have.
    774 		 */
    775 		tlp_pci_get_quirks(psc, enaddr, tlp_pci_21142_quirks);
    776 
    777 		/*
    778 		 * Bail out now if we can't deal with this board.
    779 		 */
    780 		if (sc->sc_mediasw == NULL)
    781 			goto cant_cope;
    782 		break;
    783 
    784 	case TULIP_CHIP_82C168:
    785 	case TULIP_CHIP_82C169:
    786 		/*
    787 		 * Lite-On PNIC's Ethernet address is the first 6
    788 		 * bytes of its EEPROM.
    789 		 */
    790 		memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN);
    791 
    792 		/*
    793 		 * Lite-On PNICs always use the same mediasw; we
    794 		 * select MII vs. internal NWAY automatically.
    795 		 */
    796 		sc->sc_mediasw = &tlp_pnic_mediasw;
    797 		break;
    798 
    799 	case TULIP_CHIP_MX98713:
    800 		/*
    801 		 * The Macronix MX98713 has an MII and GPIO, but no
    802 		 * internal Nway block.  This chip is basically a
    803 		 * perfect 21140A clone, with the exception of the
    804 		 * a magic register frobbing in order to make the
    805 		 * interface function.
    806 		 */
    807 		if (tlp_isv_srom_enaddr(sc, enaddr)) {
    808 			sc->sc_mediasw = &tlp_2114x_isv_mediasw;
    809 			break;
    810 		}
    811 		/* FALLTHROUGH */
    812 
    813 	case TULIP_CHIP_82C115:
    814 		/*
    815 		 * Yippee!  The Lite-On 82C115 is a clone of
    816 		 * the MX98725 (the data sheet even says `MXIC'
    817 		 * on it)!  Imagine that, a clone of a clone.
    818 		 *
    819 		 * The differences are really minimal:
    820 		 *
    821 		 *	- Wake-On-LAN support
    822 		 *	- 128-bit multicast hash table, rather than
    823 		 *	  the standard 512-bit hash table
    824 		 */
    825 		/* FALLTHROUGH */
    826 
    827 	case TULIP_CHIP_MX98713A:
    828 	case TULIP_CHIP_MX98715A:
    829 	case TULIP_CHIP_MX98715AEC_X:
    830 	case TULIP_CHIP_MX98725:
    831 		/*
    832 		 * The MX98713A has an MII as well as an internal Nway block,
    833 		 * but no GPIO.  The MX98715 and MX98725 have an internal
    834 		 * Nway block only.
    835 		 *
    836 		 * The internal Nway block, unlike the Lite-On PNIC's, does
    837 		 * just that - performs Nway.  Once autonegotiation completes,
    838 		 * we must program the GPR media information into the chip.
    839 		 *
    840 		 * The byte offset of the Ethernet address is stored at
    841 		 * offset 0x70.
    842 		 */
    843 		memcpy(enaddr, &sc->sc_srom[sc->sc_srom[0x70]], ETHER_ADDR_LEN);
    844 		sc->sc_mediasw = &tlp_pmac_mediasw;
    845 		break;
    846 
    847 	case TULIP_CHIP_WB89C840F:
    848 		/*
    849 		 * Winbond 89C840F's Ethernet address is the first
    850 		 * 6 bytes of its EEPROM.
    851 		 */
    852 		memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN);
    853 
    854 		/*
    855 		 * Winbond 89C840F has an MII attached to the SIO.
    856 		 */
    857 		sc->sc_mediasw = &tlp_sio_mii_mediasw;
    858 		break;
    859 
    860 	case TULIP_CHIP_AL981:
    861 		/*
    862 		 * The ADMtek AL981's Ethernet address is located
    863 		 * at offset 8 of its EEPROM.
    864 		 */
    865 		memcpy(enaddr, &sc->sc_srom[8], ETHER_ADDR_LEN);
    866 
    867 		/*
    868 		 * ADMtek AL981 has a built-in PHY accessed through
    869 		 * special registers.
    870 		 */
    871 		sc->sc_mediasw = &tlp_al981_mediasw;
    872 		break;
    873 
    874 	case TULIP_CHIP_AN983:
    875 	case TULIP_CHIP_AN985:
    876 		/*
    877 		 * The ADMtek AN985's Ethernet address is located
    878 		 * at offset 8 of its EEPROM.
    879 		 */
    880 		memcpy(enaddr, &sc->sc_srom[8], ETHER_ADDR_LEN);
    881 
    882 		/*
    883 		 * The ADMtek AN985 can be configured in Single-Chip
    884 		 * mode or MAC-only mode.  Single-Chip uses the built-in
    885 		 * PHY, MAC-only has an external PHY (usually HomePNA).
    886 		 * The selection is based on an EEPROM setting, and both
    887 		 * PHYs are accessed via MII attached to SIO.
    888 		 *
    889 		 * The AN985 "ghosts" the internal PHY onto all
    890 		 * MII addresses, so we have to use a media init
    891 		 * routine that limits the search.
    892 		 * XXX How does this work with MAC-only mode?
    893 		 */
    894 		sc->sc_mediasw = &tlp_an985_mediasw;
    895 		break;
    896 
    897 	case TULIP_CHIP_DM9102:
    898 	case TULIP_CHIP_DM9102A:
    899 		/*
    900 		 * Some boards with the Davicom chip have an ISV
    901 		 * SROM (mostly DM9102A boards -- trying to describe
    902 		 * the HomePNA PHY, probably) although the data in
    903 		 * them is generally wrong.  Check for ISV format
    904 		 * and grab the Ethernet address that way, and if
    905 		 * that fails, fall back on grabbing it from an
    906 		 * observed offset of 20 (which is where it would
    907 		 * be in an ISV SROM anyhow, tho ISV can cope with
    908 		 * multi-port boards).
    909 		 */
    910 		if (!tlp_isv_srom_enaddr(sc, enaddr)) {
    911 #ifdef __sparc__
    912 			if ((sc->sc_srom[20] == 0 &&
    913 			     sc->sc_srom[21] == 0 &&
    914 			     sc->sc_srom[22] == 0) ||
    915 			    (sc->sc_srom[20] == 0xff &&
    916 			     sc->sc_srom[21] == 0xff &&
    917 			     sc->sc_srom[22] == 0xff)) {
    918 				prom_getether(PCITAG_NODE(pa->pa_tag), enaddr);
    919 			} else
    920 #endif
    921 			memcpy(enaddr, &sc->sc_srom[20], ETHER_ADDR_LEN);
    922 		}
    923 
    924 		/*
    925 		 * Davicom chips all have an internal MII interface
    926 		 * and a built-in PHY.  DM9102A also has a an external
    927 		 * MII interface, usually with a HomePNA PHY attached
    928 		 * to it.
    929 		 */
    930 		sc->sc_mediasw = &tlp_dm9102_mediasw;
    931 		break;
    932 
    933 	case TULIP_CHIP_AX88140:
    934 	case TULIP_CHIP_AX88141:
    935 		/*
    936 		 * ASIX AX88140/AX88141 Ethernet Address is located at offset
    937 		 * 20 of the SROM.
    938 		 */
    939 		memcpy(enaddr, &sc->sc_srom[20], ETHER_ADDR_LEN);
    940 
    941 		/*
    942 		 * ASIX AX88140A/AX88141 chip can have a built-in PHY or
    943 		 * an external MII interface.
    944 		 */
    945 		sc->sc_mediasw = &tlp_asix_mediasw;
    946 		break;
    947 
    948 	default:
    949  cant_cope:
    950 		printf("%s: sorry, unable to handle your board\n",
    951 		    sc->sc_dev.dv_xname);
    952 		return;
    953 	}
    954 
    955 	/*
    956 	 * Handle shared interrupts.
    957 	 */
    958 	if (psc->sc_flags & TULIP_PCI_SHAREDINTR) {
    959 		if (psc->sc_master)
    960 			psc->sc_flags |= TULIP_PCI_SLAVEINTR;
    961 		else {
    962 			tlp_pci_check_slaved(psc, TULIP_PCI_SHAREDINTR,
    963 			    TULIP_PCI_SLAVEINTR);
    964 			if (psc->sc_master == NULL)
    965 				psc->sc_master = psc;
    966 		}
    967 		LIST_INSERT_HEAD(&psc->sc_master->sc_intrslaves,
    968 		    psc, sc_intrq);
    969 	}
    970 
    971 	if (psc->sc_flags & TULIP_PCI_SLAVEINTR) {
    972 		printf("%s: sharing interrupt with %s\n",
    973 		    sc->sc_dev.dv_xname,
    974 		    psc->sc_master->sc_tulip.sc_dev.dv_xname);
    975 	} else {
    976 		/*
    977 		 * Map and establish our interrupt.
    978 		 */
    979 		if (pci_intr_map(pa, &ih)) {
    980 			printf("%s: unable to map interrupt\n",
    981 			    sc->sc_dev.dv_xname);
    982 			return;
    983 		}
    984 		intrstr = pci_intr_string(pc, ih);
    985 		psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET,
    986 		    (psc->sc_flags & TULIP_PCI_SHAREDINTR) ?
    987 		    tlp_pci_shared_intr : tlp_intr, sc);
    988 		if (psc->sc_ih == NULL) {
    989 			printf("%s: unable to establish interrupt",
    990 			    sc->sc_dev.dv_xname);
    991 			if (intrstr != NULL)
    992 				printf(" at %s", intrstr);
    993 			printf("\n");
    994 			return;
    995 		}
    996 		printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname,
    997 		    intrstr);
    998 	}
    999 
   1000 	/*
   1001 	 * Finish off the attach.
   1002 	 */
   1003 	tlp_attach(sc, enaddr);
   1004 }
   1005 
   1006 static int
   1007 tlp_pci_shared_intr(void *arg)
   1008 {
   1009 	struct tulip_pci_softc *master = arg, *slave;
   1010 	int rv = 0;
   1011 
   1012 	for (slave = LIST_FIRST(&master->sc_intrslaves);
   1013 	     slave != NULL;
   1014 	     slave = LIST_NEXT(slave, sc_intrq))
   1015 		rv |= tlp_intr(&slave->sc_tulip);
   1016 
   1017 	return (rv);
   1018 }
   1019 
   1020 static void
   1021 tlp_pci_dec_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1022 {
   1023 	struct tulip_softc *sc = &psc->sc_tulip;
   1024 
   1025 	/*
   1026 	 * This isn't really a quirk-gathering device, really.  We
   1027 	 * just want to get the spiffy DEC board name from the SROM.
   1028 	 */
   1029 	strcpy(sc->sc_name, "DEC ");
   1030 
   1031 	if (memcmp(&sc->sc_srom[29], "DE500", 5) == 0 ||
   1032 	    memcmp(&sc->sc_srom[29], "DE450", 5) == 0)
   1033 		memcpy(&sc->sc_name[4], &sc->sc_srom[29], 8);
   1034 	else
   1035 		sc->sc_name[3] = '\0';
   1036 }
   1037 
   1038 static void
   1039 tlp_pci_znyx_21040_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1040 {
   1041 	struct tulip_softc *sc = &psc->sc_tulip;
   1042 	u_int16_t id = 0;
   1043 
   1044 	/*
   1045 	 * If we have a slaved ROM, just copy the bits from the master.
   1046 	 * This is in case we fail the ROM ID check (older boards) and
   1047 	 * need to fall back on Ethernet address model checking; that
   1048 	 * will fail for slave chips.
   1049 	 */
   1050 	if (psc->sc_flags & TULIP_PCI_SLAVEROM) {
   1051 		strcpy(sc->sc_name, psc->sc_master->sc_tulip.sc_name);
   1052 		sc->sc_mediasw = psc->sc_master->sc_tulip.sc_mediasw;
   1053 		psc->sc_flags |=
   1054 		    psc->sc_master->sc_flags & TULIP_PCI_SHAREDINTR;
   1055 		return;
   1056 	}
   1057 
   1058 	if (sc->sc_srom[32] == 0x4a && sc->sc_srom[33] == 0x52) {
   1059 		id = sc->sc_srom[37] | (sc->sc_srom[36] << 8);
   1060 		switch (id) {
   1061  zx312:
   1062 		case 0x0602:	/* ZX312 */
   1063 			strcpy(sc->sc_name, "ZNYX ZX312");
   1064 			return;
   1065 
   1066 		case 0x0622:	/* ZX312T */
   1067 			strcpy(sc->sc_name, "ZNYX ZX312T");
   1068 			sc->sc_mediasw = &tlp_21040_tp_mediasw;
   1069 			return;
   1070 
   1071  zx314_inta:
   1072 		case 0x0701:	/* ZX314 INTA */
   1073 			psc->sc_flags |= TULIP_PCI_SHAREDINTR;
   1074 			/* FALLTHROUGH */
   1075 		case 0x0711:	/* ZX314 */
   1076 			strcpy(sc->sc_name, "ZNYX ZX314");
   1077 			psc->sc_flags |= TULIP_PCI_SHAREDROM;
   1078 			sc->sc_mediasw = &tlp_21040_tp_mediasw;
   1079 			return;
   1080 
   1081  zx315_inta:
   1082 		case 0x0801:	/* ZX315 INTA */
   1083 			psc->sc_flags |= TULIP_PCI_SHAREDINTR;
   1084 			/* FALLTHROUGH */
   1085 		case 0x0811:	/* ZX315 */
   1086 			strcpy(sc->sc_name, "ZNYX ZX315");
   1087 			psc->sc_flags |= TULIP_PCI_SHAREDROM;
   1088 			return;
   1089 
   1090 		default:
   1091 			id = 0;
   1092 			break;
   1093 		}
   1094 	}
   1095 
   1096 	/*
   1097 	 * Deal with boards that have broken ROMs.
   1098 	 */
   1099 	if (id == 0) {
   1100 		if ((enaddr[3] & ~3) == 0xf0 && (enaddr[5] & 3) == 0x00)
   1101 			goto zx314_inta;
   1102 		if ((enaddr[3] & ~3) == 0xf4 && (enaddr[5] & 1) == 0x00)
   1103 			goto zx315_inta;
   1104 		if ((enaddr[3] & ~3) == 0xec)
   1105 			goto zx312;
   1106 	}
   1107 
   1108 	strcpy(sc->sc_name, "ZNYX ZX31x");
   1109 }
   1110 
   1111 static void	tlp_pci_znyx_21142_qs6611_reset(struct tulip_softc *);
   1112 
   1113 static void
   1114 tlp_pci_znyx_21142_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1115 {
   1116 	struct tulip_softc *sc = &psc->sc_tulip;
   1117 	pcireg_t subid;
   1118 
   1119 	subid = pci_conf_read(psc->sc_pc, psc->sc_pcitag, PCI_SUBSYS_ID_REG);
   1120 
   1121 	if (PCI_VENDOR(subid) != PCI_VENDOR_ZNYX)
   1122 		return;		/* ? */
   1123 
   1124 	switch (PCI_PRODUCT(subid) & 0xff) {
   1125 	/*
   1126 	 * ZNYX 21143 boards with QS6611 PHY
   1127 	 */
   1128 	case 0x12:	/* ZX345Q */
   1129 	case 0x13:	/* ZX346Q */
   1130 	case 0x14:	/* ZX348Q */
   1131 	case 0x18:	/* ZX414 */
   1132 	case 0x19:	/* ZX412 */
   1133 	case 0x1a:	/* ZX444 */
   1134 	case 0x1b:	/* ZX442 */
   1135 	case 0x23:	/* ZX212 */
   1136 	case 0x24:	/* ZX214 */
   1137 	case 0x29:	/* ZX374 */
   1138 	case 0x2d:	/* ZX372 */
   1139 	case 0x2b:	/* ZX244 */
   1140 	case 0x2c:	/* ZX424 */
   1141 	case 0x2e:	/* ZX422 */
   1142 		printf("%s: QS6611 PHY\n", sc->sc_dev.dv_xname);
   1143 		sc->sc_reset = tlp_pci_znyx_21142_qs6611_reset;
   1144 		break;
   1145 	}
   1146 }
   1147 
   1148 static void
   1149 tlp_pci_znyx_21142_qs6611_reset(struct tulip_softc *sc)
   1150 {
   1151 
   1152 	/*
   1153 	 * Reset QS6611 PHY.
   1154 	 */
   1155 	TULIP_WRITE(sc, CSR_SIAGEN,
   1156 	    SIAGEN_CWE | SIAGEN_LGS1 | SIAGEN_ABM | (0xf << 16));
   1157 	delay(200);
   1158 	TULIP_WRITE(sc, CSR_SIAGEN, (0x4 << 16));
   1159 	delay(10000);
   1160 }
   1161 
   1162 static void
   1163 tlp_pci_smc_21040_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1164 {
   1165 	struct tulip_softc *sc = &psc->sc_tulip;
   1166 	u_int16_t id1, id2, ei;
   1167 	int auibnc = 0, utp = 0;
   1168 	char *cp;
   1169 
   1170 	id1 = sc->sc_srom[0x60] | (sc->sc_srom[0x61] << 8);
   1171 	id2 = sc->sc_srom[0x62] | (sc->sc_srom[0x63] << 8);
   1172 	ei  = sc->sc_srom[0x66] | (sc->sc_srom[0x67] << 8);
   1173 
   1174 	strcpy(sc->sc_name, "SMC 8432");
   1175 	cp = &sc->sc_name[8];
   1176 
   1177 	if ((id1 & 1) == 0) {
   1178 		*cp++ = 'B';
   1179 		auibnc = 1;
   1180 	}
   1181 	if ((id1 & 0xff) > 0x32) {
   1182 		*cp++ = 'T';
   1183 		utp = 1;
   1184 	}
   1185 	if ((id1 & 0x4000) == 0) {
   1186 		*cp++ = 'A';
   1187 		auibnc = 1;
   1188 	}
   1189 	if (id2 == 0x15) {
   1190 		sc->sc_name[7] = '4';
   1191 		*cp++ = '-';
   1192 		*cp++ = 'C';
   1193 		*cp++ = 'H';
   1194 		*cp++ = ei ? '2' : '1';
   1195 	}
   1196 	*cp = '\0';
   1197 
   1198 	if (utp != 0 && auibnc == 0)
   1199 		sc->sc_mediasw = &tlp_21040_tp_mediasw;
   1200 	else if (utp == 0 && auibnc != 0)
   1201 		sc->sc_mediasw = &tlp_21040_auibnc_mediasw;
   1202 }
   1203 
   1204 static void
   1205 tlp_pci_cogent_21040_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1206 {
   1207 
   1208 	strcpy(psc->sc_tulip.sc_name, "Cogent multi-port");
   1209 	psc->sc_flags |= TULIP_PCI_SHAREDINTR|TULIP_PCI_SHAREDROM;
   1210 }
   1211 
   1212 static void
   1213 tlp_pci_accton_21040_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1214 {
   1215 
   1216 	strcpy(psc->sc_tulip.sc_name, "ACCTON EN1203");
   1217 }
   1218 
   1219 static void	tlp_pci_asante_21140_reset(struct tulip_softc *);
   1220 
   1221 static void
   1222 tlp_pci_asante_21140_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1223 {
   1224 	struct tulip_softc *sc = &psc->sc_tulip;
   1225 
   1226 	/*
   1227 	 * Some Asante boards don't use the ISV SROM format.  For
   1228 	 * those that don't, we initialize the GPIO direction bits,
   1229 	 * and provide our own reset hook, which resets the MII.
   1230 	 *
   1231 	 * All of these boards use SIO-attached-MII media.
   1232 	 */
   1233 	if (sc->sc_mediasw == &tlp_2114x_isv_mediasw)
   1234 		return;
   1235 
   1236 	strcpy(sc->sc_name, "Asante");
   1237 
   1238 	sc->sc_gp_dir = 0xbf;
   1239 	sc->sc_reset = tlp_pci_asante_21140_reset;
   1240 	sc->sc_mediasw = &tlp_sio_mii_mediasw;
   1241 }
   1242 
   1243 static void
   1244 tlp_pci_asante_21140_reset(struct tulip_softc *sc)
   1245 {
   1246 
   1247 	TULIP_WRITE(sc, CSR_GPP, GPP_GPC | sc->sc_gp_dir);
   1248 	TULIP_WRITE(sc, CSR_GPP, 0x8);
   1249 	delay(100);
   1250 	TULIP_WRITE(sc, CSR_GPP, 0);
   1251 }
   1252 
   1253 /*
   1254  * SMC 9332DST media switch.
   1255  */
   1256 static void	tlp_smc9332dst_tmsw_init(struct tulip_softc *);
   1257 
   1258 static const struct tulip_mediasw tlp_smc9332dst_mediasw = {
   1259 	tlp_smc9332dst_tmsw_init,
   1260 	tlp_21140_gpio_get,
   1261 	tlp_21140_gpio_set
   1262 };
   1263 
   1264 static void
   1265 tlp_pci_smc_21140_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1266 {
   1267 	struct tulip_softc *sc = &psc->sc_tulip;
   1268 
   1269 	if (sc->sc_mediasw != NULL) {
   1270 		return;
   1271 	}
   1272 	strcpy(psc->sc_tulip.sc_name, "SMC 9332DST");
   1273 	sc->sc_mediasw = &tlp_smc9332dst_mediasw;
   1274 }
   1275 
   1276 static void
   1277 tlp_smc9332dst_tmsw_init(struct tulip_softc *sc)
   1278 {
   1279 	struct tulip_21x4x_media *tm;
   1280 	const char *sep = "";
   1281 	uint32_t reg;
   1282 	int i, cnt;
   1283 
   1284 	sc->sc_gp_dir = GPP_SMC9332DST_PINS;
   1285 	sc->sc_opmode = OPMODE_MBO | OPMODE_PS;
   1286 	TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
   1287 
   1288 	ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
   1289 	    tlp_mediastatus);
   1290 	printf("%s: ", sc->sc_dev.dv_xname);
   1291 
   1292 #define	ADD(m, c) \
   1293 	tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO);		\
   1294 	tm->tm_opmode = (c);						\
   1295 	tm->tm_gpdata = GPP_SMC9332DST_INIT;				\
   1296 	ifmedia_add(&sc->sc_mii.mii_media, (m), 0, tm)
   1297 #define	PRINT(str)	printf("%s%s", sep, str); sep = ", "
   1298 
   1299 	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), OPMODE_TTM);
   1300 	PRINT("10baseT");
   1301 
   1302 	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0),
   1303 	    OPMODE_TTM | OPMODE_FD);
   1304 	PRINT("10baseT-FDX");
   1305 
   1306 	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0),
   1307 	    OPMODE_PS | OPMODE_PCS | OPMODE_SCR);
   1308 	PRINT("100baseTX");
   1309 
   1310 	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0),
   1311 	    OPMODE_PS | OPMODE_PCS | OPMODE_SCR | OPMODE_FD);
   1312 	PRINT("100baseTX-FDX");
   1313 
   1314 #undef ADD
   1315 #undef PRINT
   1316 
   1317 	printf("\n");
   1318 
   1319 	tlp_reset(sc);
   1320 	TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode | OPMODE_PCS | OPMODE_SCR);
   1321 	TULIP_WRITE(sc, CSR_GPP, GPP_GPC | sc->sc_gp_dir);
   1322 	delay(10);
   1323 	TULIP_WRITE(sc, CSR_GPP, GPP_SMC9332DST_INIT);
   1324 	delay(200000);
   1325 	cnt = 0;
   1326 	for (i = 1000; i > 0; i--) {
   1327 		reg = TULIP_READ(sc, CSR_GPP);
   1328 		if ((~reg & (GPP_SMC9332DST_OK10 |
   1329 			     GPP_SMC9332DST_OK100)) == 0) {
   1330 			if (cnt++ > 100) {
   1331 				break;
   1332 			}
   1333 		} else if ((reg & GPP_SMC9332DST_OK10) == 0) {
   1334 			break;
   1335 		} else {
   1336 			cnt = 0;
   1337 		}
   1338 		delay(1000);
   1339 	}
   1340 	if (cnt > 100) {
   1341 		ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_100_TX);
   1342 	} else {
   1343 		ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T);
   1344 	}
   1345 }
   1346 
   1347 static void
   1348 tlp_pci_vpc_21140_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1349 {
   1350 	struct tulip_softc *sc = &psc->sc_tulip;
   1351 	char *p1 = (char *) &sc->sc_srom[32];
   1352 	char *p2 = &sc->sc_name[0];
   1353 
   1354 	do {
   1355 		if ((unsigned char) *p1 & 0x80)
   1356 			*p2++ = ' ';
   1357 		else
   1358 			*p2++ = *p1;
   1359 	} while (*p1++);
   1360 }
   1361 
   1362 static void	tlp_pci_cobalt_21142_reset(struct tulip_softc *);
   1363 
   1364 static void
   1365 tlp_pci_cobalt_21142_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1366 {
   1367 	struct tulip_softc *sc = &psc->sc_tulip;
   1368 
   1369 	/*
   1370 	 * Cobalt Networks interfaces are just MII-on-SIO.
   1371 	 */
   1372 	sc->sc_reset = tlp_pci_cobalt_21142_reset;
   1373 	sc->sc_mediasw = &tlp_sio_mii_mediasw;
   1374 
   1375 	/*
   1376 	 * The Cobalt systems tend to fall back to store-and-forward
   1377 	 * pretty quickly, so we select that from the beginning to
   1378 	 * avoid initial timeouts.
   1379 	 */
   1380 	sc->sc_txthresh = TXTH_SF;
   1381 }
   1382 
   1383 static void
   1384 tlp_pci_cobalt_21142_reset(struct tulip_softc *sc)
   1385 {
   1386 	/*
   1387 	 * Reset PHY.
   1388 	 */
   1389 	TULIP_WRITE(sc, CSR_SIAGEN, SIAGEN_CWE | (1 << 16));
   1390 	delay(10);
   1391 	TULIP_WRITE(sc, CSR_SIAGEN, SIAGEN_CWE);
   1392 	delay(10);
   1393 }
   1394 
   1395 static void
   1396 tlp_pci_algor_21142_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1397 {
   1398 	struct tulip_softc *sc = &psc->sc_tulip;
   1399 
   1400 	/*
   1401 	 * Algorithmics boards just have MII-on-SIO.
   1402 	 *
   1403 	 * XXX They also have AUI on the serial interface.
   1404 	 * XXX Deal with this.
   1405 	 */
   1406 	sc->sc_mediasw = &tlp_sio_mii_mediasw;
   1407 }
   1408 
   1409 /*
   1410  * Cogent EM1x0 (aka. Adaptec ANA-6910) media switch.
   1411  */
   1412 static void	tlp_cogent_em1x0_tmsw_init(struct tulip_softc *);
   1413 
   1414 static const struct tulip_mediasw tlp_cogent_em1x0_mediasw = {
   1415 	tlp_cogent_em1x0_tmsw_init,
   1416 	tlp_21140_gpio_get,
   1417 	tlp_21140_gpio_set
   1418 };
   1419 
   1420 static void
   1421 tlp_pci_adaptec_quirks(struct tulip_pci_softc *psc, const u_int8_t *enaddr)
   1422 {
   1423 	struct tulip_softc *sc = &psc->sc_tulip;
   1424 	uint8_t *srom = sc->sc_srom, id0;
   1425 	uint16_t id1, id2;
   1426 
   1427 	if (sc->sc_mediasw == NULL) {
   1428 		id0 = srom[32];
   1429 		switch (id0) {
   1430 		case 0x12:
   1431 			strcpy(psc->sc_tulip.sc_name, "Cogent EM100TX");
   1432  			sc->sc_mediasw = &tlp_cogent_em1x0_mediasw;
   1433 			break;
   1434 
   1435 		case 0x15:
   1436 			strcpy(psc->sc_tulip.sc_name, "Cogent EM100FX");
   1437  			sc->sc_mediasw = &tlp_cogent_em1x0_mediasw;
   1438 			break;
   1439 
   1440 #if 0
   1441 		case XXX:
   1442 			strcpy(psc->sc_tulip.sc_name, "Cogent EM110TX");
   1443  			sc->sc_mediasw = &tlp_cogent_em1x0_mediasw;
   1444 			break;
   1445 #endif
   1446 
   1447 		default:
   1448 			printf("%s: unknown Cogent board ID 0x%02x\n",
   1449 			    sc->sc_dev.dv_xname, id0);
   1450 		}
   1451 		return;
   1452 	}
   1453 
   1454 	id1 = TULIP_ROM_GETW(srom, 0);
   1455 	id2 = TULIP_ROM_GETW(srom, 2);
   1456 	if (id1 != 0x1109) {
   1457 		goto unknown;
   1458 	}
   1459 
   1460 	switch (id2) {
   1461 	case 0x1900:
   1462 		strcpy(psc->sc_tulip.sc_name, "Adaptec ANA-6911");
   1463 		break;
   1464 
   1465 	case 0x2400:
   1466 		strcpy(psc->sc_tulip.sc_name, "Adaptec ANA-6944A");
   1467 		psc->sc_flags |= TULIP_PCI_SHAREDINTR|TULIP_PCI_SHAREDROM;
   1468 		break;
   1469 
   1470 	case 0x2b00:
   1471 		strcpy(psc->sc_tulip.sc_name, "Adaptec ANA-6911A");
   1472 		break;
   1473 
   1474 	case 0x3000:
   1475 		strcpy(psc->sc_tulip.sc_name, "Adaptec ANA-6922");
   1476 		psc->sc_flags |= TULIP_PCI_SHAREDINTR|TULIP_PCI_SHAREDROM;
   1477 		break;
   1478 
   1479 	default:
   1480 unknown:
   1481 		printf("%s: unknown Adaptec/Cogent board ID 0x%04x/0x%04x\n",
   1482 		    sc->sc_dev.dv_xname, id1, id2);
   1483 	}
   1484 }
   1485 
   1486 static void
   1487 tlp_cogent_em1x0_tmsw_init(struct tulip_softc *sc)
   1488 {
   1489 	struct tulip_21x4x_media *tm;
   1490 	const char *sep = "";
   1491 
   1492 	sc->sc_gp_dir = GPP_COGENT_EM1x0_PINS;
   1493 	sc->sc_opmode = OPMODE_MBO | OPMODE_PS;
   1494 	TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
   1495 
   1496 	ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
   1497 	    tlp_mediastatus);
   1498 	printf("%s: ", sc->sc_dev.dv_xname);
   1499 
   1500 #define	ADD(m, c) \
   1501 	tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO);		\
   1502 	tm->tm_opmode = (c);						\
   1503 	tm->tm_gpdata = GPP_COGENT_EM1x0_INIT;				\
   1504 	ifmedia_add(&sc->sc_mii.mii_media, (m), 0, tm)
   1505 #define	PRINT(str)	printf("%s%s", sep, str); sep = ", "
   1506 
   1507 	if (sc->sc_srom[32] == 0x15) {
   1508 		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, 0, 0),
   1509 		    OPMODE_PS | OPMODE_PCS);
   1510 		PRINT("100baseFX");
   1511 
   1512 		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, IFM_FDX, 0),
   1513 		    OPMODE_PS | OPMODE_PCS | OPMODE_FD);
   1514 		PRINT("100baseFX-FDX");
   1515 		printf("\n");
   1516 
   1517 		ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_100_FX);
   1518 	} else {
   1519 		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0),
   1520 		    OPMODE_PS | OPMODE_PCS | OPMODE_SCR);
   1521 		PRINT("100baseTX");
   1522 
   1523 		ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, IFM_FDX, 0),
   1524 		    OPMODE_PS | OPMODE_PCS | OPMODE_SCR | OPMODE_FD);
   1525 		PRINT("100baseTX-FDX");
   1526 		printf("\n");
   1527 
   1528 		ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_100_TX);
   1529 	}
   1530 
   1531 #undef ADD
   1532 #undef PRINT
   1533 }
   1534 
   1535 static void	tlp_pci_netwinder_21142_reset(struct tulip_softc *);
   1536 
   1537 static void
   1538 tlp_pci_netwinder_21142_quirks(struct tulip_pci_softc *psc,
   1539     const u_int8_t *enaddr)
   1540 {
   1541 	struct tulip_softc *sc = &psc->sc_tulip;
   1542 
   1543 	/*
   1544 	 * Netwinders just use MII-on_SIO.
   1545 	 */
   1546 	sc->sc_mediasw = &tlp_sio_mii_mediasw;
   1547 	sc->sc_reset = tlp_pci_netwinder_21142_reset;
   1548 }
   1549 
   1550 void
   1551 tlp_pci_netwinder_21142_reset(struct tulip_softc *sc)
   1552 {
   1553 
   1554 	/*
   1555 	 * Reset the PHY.
   1556 	 */
   1557 	TULIP_WRITE(sc, CSR_SIAGEN, 0x0821 << 16);
   1558 	delay(10);
   1559 	TULIP_WRITE(sc, CSR_SIAGEN, 0x0000 << 16);
   1560 	delay(10);
   1561 	TULIP_WRITE(sc, CSR_SIAGEN, 0x0001 << 16);
   1562 	delay(10);
   1563 }
   1564