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