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fmv.c revision 1.6 
      1 /*	$NetBSD: fmv.c,v 1.6 2005/02/27 00:27:01 perry 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 1.6 2005/02/27 00:27:01 perry 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 <machine/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 /*
     53  * Determine type and ethernet address.
     54  */
     55 int
     56 fmv_detect(bus_space_tag_t iot, bus_space_handle_t ioh, uint8_t *enaddr)
     57 {
     58 	int model, id, type;
     59 
     60 	/* Get our station address from EEPROM. */
     61 	bus_space_read_region_1(iot, ioh, FE_FMV4, enaddr, ETHER_ADDR_LEN);
     62 
     63 	/* Make sure we got a valid station address. */
     64 	if ((enaddr[0] & 0x03) != 0x00 ||
     65 	    (enaddr[0] == 0x00 && enaddr[1] == 0x00 && enaddr[2] == 0x00)) {
     66 #ifdef FMV_DEBUG
     67 		printf("fmv_detect: invalid ethernet address\n");
     68 #endif
     69 		return (0);
     70 	}
     71 
     72 	/* Determine the card type. */
     73 	model = bus_space_read_1(iot, ioh, FE_FMV0) & FE_FMV0_MODEL;
     74 	id    = bus_space_read_1(iot, ioh, FE_FMV1) & FE_FMV1_CARDID_REV;
     75 
     76 	switch (model) {
     77 	case FE_FMV0_MODEL_FMV181:
     78 		type = FE_TYPE_FMV181;
     79 		if (id == FE_FMV1_CARDID_REV_A)
     80 			type = FE_TYPE_FMV181A;
     81 		break;
     82 	case FE_FMV0_MODEL_FMV182:
     83 		type = FE_TYPE_FMV182;
     84 		if (id == FE_FMV1_CARDID_REV_A)
     85 			type = FE_TYPE_FMV182A;
     86 		else if (id == FE_FMV1_CARDID_PNP)
     87 			type = FE_TYPE_FMV184;
     88 		break;
     89 	case FE_FMV0_MODEL_FMV183:
     90 		type = FE_TYPE_FMV183;
     91 		break;
     92 	default:
     93 		type = 0;
     94 #ifdef FMV_DEBUG
     95 		printf("fmv_detect: unknown card\n");
     96 #endif
     97 		break;
     98 	}
     99 
    100 	return (type);
    101 }
    102 
    103 void
    104 fmv_attach(struct mb86960_softc *sc)
    105 {
    106 	bus_space_tag_t iot;
    107 	bus_space_handle_t ioh;
    108 	const char *typestr;
    109 	int type;
    110 	uint8_t myea[ETHER_ADDR_LEN];
    111 
    112 	iot = sc->sc_bst;
    113 	ioh = sc->sc_bsh;
    114 
    115 	/* Determine the card type. */
    116 	type = fmv_detect(iot, ioh, myea);
    117 	switch (type) {
    118 	case FE_TYPE_FMV181:
    119 		typestr = "FMV-181";
    120 		break;
    121 	case FE_TYPE_FMV181A:
    122 		typestr = "FMV-181A";
    123 		break;
    124 	case FE_TYPE_FMV182:
    125 		typestr = "FMV-182";
    126 		break;
    127 	case FE_TYPE_FMV182A:
    128 		typestr = "FMV-182A";
    129 		break;
    130 	case FE_TYPE_FMV183:
    131 		typestr = "FMV-183";
    132 		break;
    133 	case FE_TYPE_FMV184:
    134 		typestr = "FMV-184";
    135 		break;
    136 	default:
    137 	  	/* Unknown card type: maybe a new model, but... */
    138 		panic("\n%s: unknown FMV-18x card", sc->sc_dev.dv_xname);
    139 	}
    140 
    141 	printf(": %s Ethernet\n", typestr);
    142 
    143 	/* This interface is always enabled. */
    144 	sc->sc_stat |= FE_STAT_ENABLED;
    145 
    146 	/*
    147 	 * Minimum initialization of the hardware.
    148 	 * We write into registers; hope I/O ports have no
    149 	 * overlap with other boards.
    150 	 */
    151 
    152 	/* Initialize ASIC. */
    153 	bus_space_write_1(iot, ioh, FE_FMV3, 0);
    154 	bus_space_write_1(iot, ioh, FE_FMV10, 0);
    155 
    156 	/* Wait for a while.  I'm not sure this is necessary.  FIXME */
    157 	delay(200);
    158 
    159 	/*
    160 	 * Do generic MB86960 attach.
    161 	 */
    162 	mb86960_attach(sc, myea);
    163 
    164 	/* Is this really needs to be done here? XXX */
    165 	/* Turn the "master interrupt control" flag of ASIC on. */
    166 	bus_space_write_1(iot, ioh, FE_FMV3, FE_FMV3_ENABLE_FLAG);
    167 
    168 	mb86960_config(sc, NULL, 0, 0);
    169 }
    170