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      1 /*	$NetBSD: fmv.c,v 1.10 2008/04/12 06:27:01 tsutsui Exp $	*/
      2 
      3 /*
      4  * All Rights Reserved, Copyright (C) Fujitsu Limited 1995
      5  *
      6  * This software may be used, modified, copied, distributed, and sold, in
      7  * both source and binary form provided that the above copyright, these
      8  * terms and the following disclaimer are retained.  The name of the author
      9  * and/or the contributor may not be used to endorse or promote products
     10  * derived from this software without specific prior written permission.
     11  *
     12  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND THE CONTRIBUTOR ``AS IS'' AND
     13  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     14  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     15  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR THE CONTRIBUTOR BE LIABLE
     16  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     17  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     18  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION.
     19  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     20  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     21  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     22  * SUCH DAMAGE.
     23  */
     24 
     25 /*
     26  * Portions copyright (C) 1993, David Greenman.  This software may be used,
     27  * modified, copied, distributed, and sold, in both source and binary form
     28  * provided that the above copyright and these terms are retained.  Under no
     29  * circumstances is the author responsible for the proper functioning of this
     30  * software, nor does the author assume any responsibility for damages
     31  * incurred with its use.
     32  */
     33 
     34 #include <sys/cdefs.h>
     35 __KERNEL_RCSID(0, "$NetBSD: fmv.c,v 1.10 2008/04/12 06:27:01 tsutsui Exp $");
     36 
     37 #include <sys/param.h>
     38 #include <sys/systm.h>
     39 #include <sys/device.h>
     40 
     41 #include <net/if.h>
     42 #include <net/if_ether.h>
     43 #include <net/if_media.h>
     44 
     45 #include <sys/bus.h>
     46 
     47 #include <dev/ic/mb86960reg.h>
     48 #include <dev/ic/mb86960var.h>
     49 #include <dev/ic/fmvreg.h>
     50 #include <dev/ic/fmvvar.h>
     51 
     52 #ifdef FMV_DEBUG
     53 #define DPRINTF	printf
     54 #else
     55 #define DPRINTF	while (/* CONSTCOND */0) printf
     56 #endif
     57 
     58 /*
     59  * Determine type and ethernet address.
     60  */
     61 int
     62 fmv_detect(bus_space_tag_t iot, bus_space_handle_t ioh, uint8_t *enaddr)
     63 {
     64 	int model, id, type;
     65 
     66 	/* Get our station address from EEPROM. */
     67 	bus_space_read_region_1(iot, ioh, FE_FMV4, enaddr, ETHER_ADDR_LEN);
     68 
     69 	/* Make sure we got a valid station address. */
     70 	if ((enaddr[0] & 0x03) != 0x00 ||
     71 	    (enaddr[0] == 0x00 && enaddr[1] == 0x00 && enaddr[2] == 0x00)) {
     72 		DPRINTF("%s: invalid ethernet address\n", __func__);
     73 		return 0;
     74 	}
     75 
     76 	/* Determine the card type. */
     77 	model = bus_space_read_1(iot, ioh, FE_FMV0) & FE_FMV0_MODEL;
     78 	id    = bus_space_read_1(iot, ioh, FE_FMV1) & FE_FMV1_CARDID_REV;
     79 
     80 	switch (model) {
     81 	case FE_FMV0_MODEL_FMV181:
     82 		type = FE_TYPE_FMV181;
     83 		if (id == FE_FMV1_CARDID_REV_A)
     84 			type = FE_TYPE_FMV181A;
     85 		break;
     86 	case FE_FMV0_MODEL_FMV182:
     87 		type = FE_TYPE_FMV182;
     88 		if (id == FE_FMV1_CARDID_REV_A)
     89 			type = FE_TYPE_FMV182A;
     90 		else if (id == FE_FMV1_CARDID_PNP)
     91 			type = FE_TYPE_FMV184;
     92 		break;
     93 	case FE_FMV0_MODEL_FMV183:
     94 		type = FE_TYPE_FMV183;
     95 		break;
     96 	default:
     97 		type = 0;
     98 		DPRINTF("%s: unknown card\n", __func__);
     99 		break;
    100 	}
    101 
    102 	return type;
    103 }
    104 
    105 void
    106 fmv_attach(struct mb86960_softc *sc)
    107 {
    108 	bus_space_tag_t iot;
    109 	bus_space_handle_t ioh;
    110 	const char *typestr;
    111 	int type;
    112 	uint8_t myea[ETHER_ADDR_LEN];
    113 
    114 	iot = sc->sc_bst;
    115 	ioh = sc->sc_bsh;
    116 
    117 	/* Determine the card type. */
    118 	type = fmv_detect(iot, ioh, myea);
    119 	switch (type) {
    120 	case FE_TYPE_FMV181:
    121 		typestr = "FMV-181";
    122 		break;
    123 	case FE_TYPE_FMV181A:
    124 		typestr = "FMV-181A";
    125 		break;
    126 	case FE_TYPE_FMV182:
    127 		typestr = "FMV-182";
    128 		break;
    129 	case FE_TYPE_FMV182A:
    130 		typestr = "FMV-182A";
    131 		break;
    132 	case FE_TYPE_FMV183:
    133 		typestr = "FMV-183";
    134 		break;
    135 	case FE_TYPE_FMV184:
    136 		typestr = "FMV-184";
    137 		break;
    138 	default:
    139 	  	/* Unknown card type: maybe a new model, but... */
    140 		aprint_normal("\n");
    141 		panic("%s: unknown FMV-18x card", device_xname(sc->sc_dev));
    142 	}
    143 
    144 	aprint_normal(": %s Ethernet\n", typestr);
    145 
    146 	/* This interface is always enabled. */
    147 	sc->sc_stat |= FE_STAT_ENABLED;
    148 
    149 	/*
    150 	 * Minimum initialization of the hardware.
    151 	 * We write into registers; hope I/O ports have no
    152 	 * overlap with other boards.
    153 	 */
    154 
    155 	/* Initialize ASIC. */
    156 	bus_space_write_1(iot, ioh, FE_FMV3, 0);
    157 	bus_space_write_1(iot, ioh, FE_FMV10, 0);
    158 
    159 	/* Wait for a while.  I'm not sure this is necessary.  FIXME */
    160 	delay(200);
    161 
    162 	/*
    163 	 * Do generic MB86960 attach.
    164 	 */
    165 	mb86960_attach(sc, myea);
    166 
    167 	/* Is this really needs to be done here? XXX */
    168 	/* Turn the "master interrupt control" flag of ASIC on. */
    169 	bus_space_write_1(iot, ioh, FE_FMV3, FE_FMV3_ENABLE_FLAG);
    170 
    171 	mb86960_config(sc, NULL, 0, 0);
    172 }
    173