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/arm/versatile/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: stable/10/sys/arm/versatile/if_smc_fdt.c 266152 2014-05-15 16:11:06Z ian $");
   29 
   30 #include <sys/param.h>
   31 #include <sys/bus.h>
   32 #include <sys/kernel.h>
   33 #include <sys/module.h>
   34 #include <sys/socket.h>
   35 #include <sys/systm.h>
   36 #include <sys/taskqueue.h>
   37 
   38 #include <machine/bus.h>
   39 #include <machine/resource.h>
   40 
   41 #include <net/ethernet.h>
   42 #include <net/if.h>
   43 #include <net/if_arp.h>
   44 #include <net/if_media.h>
   45 
   46 #include <dev/smc/if_smcvar.h>
   47 
   48 #include <dev/mii/mii.h>
   49 #include <dev/mii/miivar.h>
   50 
   51 #include <dev/fdt/fdt_common.h>
   52 #include <dev/ofw/openfirm.h>
   53 #include <dev/ofw/ofw_bus.h>
   54 #include <dev/ofw/ofw_bus_subr.h>
   55 
   56 #include "miibus_if.h"
   57 
   58 static int              smc_fdt_probe(device_t);
   59 static int              smc_fdt_attach(device_t);
   60 static int              smc_fdt_detach(device_t);
   61 
   62 static int
   63 smc_fdt_probe(device_t dev)
   64 {
   65         struct  smc_softc *sc;
   66 
   67         if (!ofw_bus_status_okay(dev))
   68                 return (ENXIO);
   69 
   70         if (ofw_bus_is_compatible(dev, "smsc,lan91c111")) {
   71                 sc = device_get_softc(dev);
   72                 sc->smc_usemem = 1;
   73 
   74                 if (smc_probe(dev) != 0) {
   75                         return (ENXIO);
   76                 }
   77 
   78                 return (0);
   79         }
   80 
   81         return (ENXIO);
   82 }
   83 
   84 static int
   85 smc_fdt_attach(device_t dev)
   86 {
   87         int     err;
   88         struct  smc_softc *sc;
   89 
   90         sc = device_get_softc(dev);
   91 
   92         err = smc_attach(dev);
   93         if (err) {
   94                 return (err);
   95         }
   96 
   97         return (0);
   98 }
   99 
  100 static int
  101 smc_fdt_detach(device_t dev)
  102 {
  103 
  104         smc_detach(dev);
  105 
  106         return (0);
  107 }
  108 
  109 static device_method_t smc_fdt_methods[] = {
  110         /* Device interface */
  111         DEVMETHOD(device_probe,         smc_fdt_probe),
  112         DEVMETHOD(device_attach,        smc_fdt_attach),
  113         DEVMETHOD(device_detach,        smc_fdt_detach),
  114 
  115         /* MII interface */
  116         DEVMETHOD(miibus_readreg,       smc_miibus_readreg),
  117         DEVMETHOD(miibus_writereg,      smc_miibus_writereg),
  118         DEVMETHOD(miibus_statchg,       smc_miibus_statchg),
  119 
  120         { 0, 0 }
  121 };
  122 
  123 static driver_t smc_fdt_driver = {
  124         "smc",
  125         smc_fdt_methods,
  126         sizeof(struct smc_softc),
  127 };
  128 
  129 extern devclass_t smc_devclass;
  130 
  131 DRIVER_MODULE(smc, simplebus, smc_fdt_driver, smc_devclass, 0, 0);
  132 DRIVER_MODULE(miibus, smc, miibus_driver, miibus_devclass, 0, 0);
  133 MODULE_DEPEND(smc, fdt, 1, 1, 1);
  134 MODULE_DEPEND(smc, ether, 1, 1, 1);
  135 MODULE_DEPEND(smc, miibus, 1, 1, 1);

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