fmv.c

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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 }

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

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sys/dev/ic/fmv.c