FreeBSD/Linux Kernel Cross Reference
sys/dev/quicc/quicc_bfe_fdt.c

     /*-
      * SPDX-License-Identifier: BSD-3-Clause
      *
      * Copyright (c) 2006 Juniper Networks.
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. The name of the author may not be used to endorse or promote products
     *    derived from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD$");
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/bus.h>
    #include <sys/conf.h>
    #include <sys/kernel.h>
    #include <sys/lock.h>
    #include <sys/malloc.h>
    #include <sys/module.h>
    #include <sys/rman.h>
    #include <machine/bus.h>
    
    #include <dev/ofw/ofw_bus.h>
    #include <dev/ofw/ofw_bus_subr.h>
    #include <dev/quicc/quicc_bfe.h>
    
    static int quicc_fdt_probe(device_t dev);
    
    static device_method_t quicc_fdt_methods[] = {
            /* Device interface */
            DEVMETHOD(device_probe,         quicc_fdt_probe),
            DEVMETHOD(device_attach,        quicc_bfe_attach),
            DEVMETHOD(device_detach,        quicc_bfe_detach),
    
            DEVMETHOD(bus_alloc_resource,   quicc_bus_alloc_resource),
            DEVMETHOD(bus_release_resource, quicc_bus_release_resource),
            DEVMETHOD(bus_get_resource,     quicc_bus_get_resource),
            DEVMETHOD(bus_read_ivar,        quicc_bus_read_ivar),
            DEVMETHOD(bus_setup_intr,       quicc_bus_setup_intr),
            DEVMETHOD(bus_teardown_intr,    quicc_bus_teardown_intr),
    
            DEVMETHOD_END
    };
    
    static driver_t quicc_fdt_driver = {
            quicc_driver_name,
            quicc_fdt_methods,
            sizeof(struct quicc_softc),
    };
    
    static int
    quicc_fdt_probe(device_t dev)
    {
            phandle_t par;
            pcell_t clock;
    
            if (!ofw_bus_status_okay(dev))
                    return (ENXIO);
    
            if (!ofw_bus_is_compatible(dev, "fsl,cpm2"))
                    return (ENXIO);
    
            par = OF_parent(ofw_bus_get_node(dev));
            if (OF_getprop(par, "bus-frequency", &clock, sizeof(clock)) <= 0)
                    clock = 0;
    
            return (quicc_bfe_probe(dev, (uintptr_t)clock));
    }
    
    DRIVER_MODULE(quicc, simplebus, quicc_fdt_driver, 0, 0);

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