The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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

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    1 /*      $NetBSD: fmv.c,v 1.3 2002/11/30 14:15:11 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 1.3 2002/11/30 14:15:11 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 <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(iot, ioh, enaddr)
   57         bus_space_tag_t iot;
   58         bus_space_handle_t ioh;
   59         u_int8_t *enaddr;
   60 {
   61         int model, id, type;
   62 
   63         /* Get our station address from EEPROM. */
   64         bus_space_read_region_1(iot, ioh, FE_FMV4, enaddr, ETHER_ADDR_LEN);
   65 
   66         /* Make sure we got a valid station address. */
   67         if ((enaddr[0] & 0x03) != 0x00 ||
   68             (enaddr[0] == 0x00 && enaddr[1] == 0x00 && enaddr[2] == 0x00)) {
   69 #ifdef FMV_DEBUG
   70                 printf("fmv_detect: invalid ethernet address\n");
   71 #endif
   72                 return (0);
   73         }
   74 
   75         /* Determine the card type. */
   76         model = bus_space_read_1(iot, ioh, FE_FMV0) & FE_FMV0_MODEL;
   77         id    = bus_space_read_1(iot, ioh, FE_FMV1) & FE_FMV1_CARDID_REV;
   78         
   79         switch (model) {
   80         case FE_FMV0_MODEL_FMV181:
   81                 type = FE_TYPE_FMV181;
   82                 if (id == FE_FMV1_CARDID_REV_A)
   83                         type = FE_TYPE_FMV181A;
   84                 break;
   85         case FE_FMV0_MODEL_FMV182:
   86                 type = FE_TYPE_FMV182;
   87                 if (id == FE_FMV1_CARDID_REV_A)
   88                         type = FE_TYPE_FMV182A;
   89                 else if (id == FE_FMV1_CARDID_PNP)
   90                         type = FE_TYPE_FMV184;
   91                 break;
   92         case FE_FMV0_MODEL_FMV183:
   93                 type = FE_TYPE_FMV183;
   94                 break;
   95         default:
   96                 type = 0;
   97 #ifdef FMV_DEBUG
   98                 printf("fmv_detect: unknown card\n");
   99 #endif
  100                 break;
  101         }
  102 
  103         return (type);
  104 }
  105 
  106 void
  107 fmv_attach(sc)
  108         struct mb86960_softc *sc;
  109 {
  110         bus_space_tag_t iot;
  111         bus_space_handle_t ioh;
  112         const char *typestr;
  113         int type;
  114         u_int8_t myea[ETHER_ADDR_LEN];
  115 
  116         iot = sc->sc_bst;
  117         ioh = sc->sc_bsh;
  118 
  119         /* Determine the card type. */
  120         type = fmv_detect(iot, ioh, myea);
  121         switch (type) {
  122         case FE_TYPE_FMV181:
  123                 typestr = "FMV-181";
  124                 break;
  125         case FE_TYPE_FMV181A:
  126                 typestr = "FMV-181A";
  127                 break;
  128         case FE_TYPE_FMV182:
  129                 typestr = "FMV-182";
  130                 break;
  131         case FE_TYPE_FMV182A:
  132                 typestr = "FMV-182A";
  133                 break;
  134         case FE_TYPE_FMV183:
  135                 typestr = "FMV-183";
  136                 break;
  137         case FE_TYPE_FMV184:
  138                 typestr = "FMV-184";
  139                 break;
  140         default:
  141                 /* Unknown card type: maybe a new model, but... */
  142                 panic("\n%s: unknown FMV-18x card", sc->sc_dev.dv_xname);
  143         }
  144 
  145         printf(": %s Ethernet\n", typestr);
  146 
  147         /* This interface is always enabled. */
  148         sc->sc_stat |= FE_STAT_ENABLED;
  149 
  150         /*
  151          * Minimum initialization of the hardware.
  152          * We write into registers; hope I/O ports have no
  153          * overlap with other boards.
  154          */
  155 
  156         /* Initialize ASIC. */
  157         bus_space_write_1(iot, ioh, FE_FMV3, 0);
  158         bus_space_write_1(iot, ioh, FE_FMV10, 0);
  159 
  160         /* Wait for a while.  I'm not sure this is necessary.  FIXME */
  161         delay(200);
  162 
  163         /*
  164          * Do generic MB86960 attach.
  165          */
  166         mb86960_attach(sc, myea);
  167 
  168         /* Is this really needs to be done here? XXX */
  169         /* Turn the "master interrupt control" flag of ASIC on. */
  170         bus_space_write_1(iot, ioh, FE_FMV3, FE_FMV3_ENABLE_FLAG);
  171 
  172         mb86960_config(sc, NULL, 0, 0);
  173 }

Cache object: 9f35838ffe9ea3bb1da07ab21621e2b1


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