fmv.c

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    1 /*      $NetBSD: fmv.c,v 1.7 2005/12/11 12:21:26 christos 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 1.7 2005/12/11 12:21:26 christos 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 }

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FreeBSD/Linux Kernel Cross Reference sys/dev/ic/fmv.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/fmv.c