scc_bfe_ebus.c

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    1 /*-
    2  * Copyright (c) 2004-2006 Marcel Moolenaar
    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  *
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   25  */
   26 
   27 #include <sys/cdefs.h>
   28 __FBSDID("$FreeBSD$");
   29 
   30 #include <sys/param.h>
   31 #include <sys/systm.h>
   32 #include <sys/bus.h>
   33 #include <sys/conf.h>
   34 #include <sys/kernel.h>
   35 #include <sys/module.h>
   36 
   37 #include <dev/ofw/ofw_bus.h>
   38 
   39 #include <machine/bus.h>
   40 #include <sys/rman.h>
   41 #include <machine/resource.h>
   42 
   43 #include <dev/scc/scc_bfe.h>
   44 
   45 #define EBUS_REGSHFT    0
   46 #define EBUS_RCLK       29491200
   47 
   48 static int
   49 scc_ebus_probe(device_t dev)
   50 {
   51         struct scc_softc *sc;
   52         const char *cmpt, *nm;
   53 
   54         sc = device_get_softc(dev);
   55         nm = ofw_bus_get_name(dev);
   56         cmpt = ofw_bus_get_compat(dev);
   57         if (cmpt == NULL)
   58                 cmpt = "";
   59         if (!strcmp(nm, "se") || !strcmp(nm, "FJSV,se") ||
   60             !strcmp(cmpt, "sab82532")) {
   61                 device_set_desc(dev, "Siemens SAB 82532 dual channel SCC");
   62                 sc->sc_class = &scc_sab82532_class;
   63                 return (scc_bfe_probe(dev, EBUS_REGSHFT, EBUS_RCLK, 0));
   64         }
   65         return (ENXIO);
   66 }
   67 
   68 static int
   69 scc_ebus_attach(device_t dev)
   70 {
   71 
   72         return (scc_bfe_attach(dev, 0));
   73 }
   74 
   75 static device_method_t scc_ebus_methods[] = {
   76         /* Device interface */
   77         DEVMETHOD(device_probe,         scc_ebus_probe),
   78         DEVMETHOD(device_attach,        scc_ebus_attach),
   79         DEVMETHOD(device_detach,        scc_bfe_detach),
   80 
   81         DEVMETHOD(bus_alloc_resource,   scc_bus_alloc_resource),
   82         DEVMETHOD(bus_release_resource, scc_bus_release_resource),
   83         DEVMETHOD(bus_get_resource,     scc_bus_get_resource),
   84         DEVMETHOD(bus_read_ivar,        scc_bus_read_ivar),
   85         DEVMETHOD(bus_setup_intr,       scc_bus_setup_intr),
   86         DEVMETHOD(bus_teardown_intr,    scc_bus_teardown_intr),
   87 
   88         DEVMETHOD_END
   89 };
   90 
   91 static driver_t scc_ebus_driver = {
   92         scc_driver_name,
   93         scc_ebus_methods,
   94         sizeof(struct scc_softc),
   95 };
   96 
   97 DRIVER_MODULE(scc, ebus, scc_ebus_driver, scc_devclass, NULL, NULL);

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FreeBSD/Linux Kernel Cross Reference sys/dev/scc/scc_bfe_ebus.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/scc/scc_bfe_ebus.c