if_smc_fdt.c

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    1 /*-
    2  * Copyright (c) 2008 Benno Rice
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   24  *
   25  */
   26 
   27 #include <sys/cdefs.h>
   28 __FBSDID("$FreeBSD: releng/10.0/sys/arm/versatile/if_smc_fdt.c 244197 2012-12-13 23:19:13Z gonzo $");
   29 
   30 #include <sys/param.h>
   31 #include <sys/kernel.h>
   32 #include <sys/socket.h>
   33 
   34 #include <sys/module.h>
   35 #include <sys/bus.h>
   36 
   37 #include <machine/bus.h>
   38 #include <machine/resource.h>
   39 
   40 #include <net/ethernet.h>
   41 #include <net/if.h>
   42 #include <net/if_arp.h>
   43 #include <net/if_media.h>
   44 
   45 #include <dev/smc/if_smcvar.h>
   46 
   47 #include <dev/mii/mii.h>
   48 #include <dev/mii/miivar.h>
   49 
   50 #include <dev/fdt/fdt_common.h>
   51 #include <dev/ofw/openfirm.h>
   52 #include <dev/ofw/ofw_bus.h>
   53 #include <dev/ofw/ofw_bus_subr.h>
   54 
   55 #include "miibus_if.h"
   56 
   57 static int              smc_fdt_probe(device_t);
   58 static int              smc_fdt_attach(device_t);
   59 static int              smc_fdt_detach(device_t);
   60 
   61 static int
   62 smc_fdt_probe(device_t dev)
   63 {
   64         struct  smc_softc *sc;
   65 
   66         if (ofw_bus_is_compatible(dev, "smsc,lan91c111")) {
   67                 sc = device_get_softc(dev);
   68                 sc->smc_usemem = 1;
   69 
   70                 if (smc_probe(dev) != 0) {
   71                         return (ENXIO);
   72                 }
   73 
   74                 return (0);
   75         }
   76 
   77         return (ENXIO);
   78 }
   79 
   80 static int
   81 smc_fdt_attach(device_t dev)
   82 {
   83         int     err;
   84         struct  smc_softc *sc;
   85 
   86         sc = device_get_softc(dev);
   87 
   88         err = smc_attach(dev);
   89         if (err) {
   90                 return (err);
   91         }
   92 
   93         return (0);
   94 }
   95 
   96 static int
   97 smc_fdt_detach(device_t dev)
   98 {
   99 
  100         smc_detach(dev);
  101 
  102         return (0);
  103 }
  104 
  105 static device_method_t smc_fdt_methods[] = {
  106         /* Device interface */
  107         DEVMETHOD(device_probe,         smc_fdt_probe),
  108         DEVMETHOD(device_attach,        smc_fdt_attach),
  109         DEVMETHOD(device_detach,        smc_fdt_detach),
  110 
  111         /* MII interface */
  112         DEVMETHOD(miibus_readreg,       smc_miibus_readreg),
  113         DEVMETHOD(miibus_writereg,      smc_miibus_writereg),
  114         DEVMETHOD(miibus_statchg,       smc_miibus_statchg),
  115 
  116         { 0, 0 }
  117 };
  118 
  119 static driver_t smc_fdt_driver = {
  120         "smc",
  121         smc_fdt_methods,
  122         sizeof(struct smc_softc),
  123 };
  124 
  125 extern devclass_t smc_devclass;
  126 
  127 DRIVER_MODULE(smc, simplebus, smc_fdt_driver, smc_devclass, 0, 0);
  128 DRIVER_MODULE(miibus, smc, miibus_driver, miibus_devclass, 0, 0);
  129 MODULE_DEPEND(smc, fdt, 1, 1, 1);
  130 MODULE_DEPEND(smc, ether, 1, 1, 1);
  131 MODULE_DEPEND(smc, miibus, 1, 1, 1);

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FreeBSD/Linux Kernel Cross Reference sys/arm/versatile/if_smc_fdt.c

FreeBSD/Linux Kernel Cross Reference
sys/arm/versatile/if_smc_fdt.c