sys/dev/ic/fmv.c

   1 /*      $NetBSD: fmv.c,v 1.9 2008/04/08 12:07:26 cegger 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 1.9 2008/04/08 12:07:26 cegger 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 }