openpic_fdt.c

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    1 /*-
    2  * Copyright (c) 2009-2010 The FreeBSD Foundation
    3  * All rights reserved.
    4  *
    5  * This software was developed by Semihalf under sponsorship from
    6  * the FreeBSD Foundation.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27  * SUCH DAMAGE.
   28  */
   29 
   30 #include <sys/cdefs.h>
   31 __FBSDID("$FreeBSD: releng/10.0/sys/powerpc/powerpc/openpic_fdt.c 236119 2012-05-26 21:02:49Z raj $");
   32 
   33 #include <sys/param.h>
   34 #include <sys/kernel.h>
   35 #include <sys/module.h>
   36 #include <sys/bus.h>
   37 
   38 #include <machine/bus.h>
   39 #include <machine/intr_machdep.h>
   40 
   41 #include <dev/ofw/ofw_bus.h>
   42 #include <dev/ofw/ofw_bus_subr.h>
   43 
   44 #include <machine/openpicvar.h>
   45 
   46 #include "pic_if.h"
   47 
   48 static int openpic_fdt_probe(device_t);
   49 static int openpic_fdt_attach(device_t);
   50 
   51 static device_method_t openpic_fdt_methods[] = {
   52         /* Device interface */
   53         DEVMETHOD(device_probe,         openpic_fdt_probe),
   54         DEVMETHOD(device_attach,        openpic_fdt_attach),
   55 
   56         /* PIC interface */
   57         DEVMETHOD(pic_bind,             openpic_bind),
   58         DEVMETHOD(pic_config,           openpic_config),
   59         DEVMETHOD(pic_dispatch,         openpic_dispatch),
   60         DEVMETHOD(pic_enable,           openpic_enable),
   61         DEVMETHOD(pic_eoi,              openpic_eoi),
   62         DEVMETHOD(pic_ipi,              openpic_ipi),
   63         DEVMETHOD(pic_mask,             openpic_mask),
   64         DEVMETHOD(pic_unmask,           openpic_unmask),
   65 
   66         { 0, 0 },
   67 };
   68 
   69 static driver_t openpic_fdt_driver = {
   70         "openpic",
   71         openpic_fdt_methods,
   72         sizeof(struct openpic_softc)
   73 };
   74 
   75 DRIVER_MODULE(openpic, simplebus, openpic_fdt_driver, openpic_devclass, 0, 0);
   76 
   77 static int
   78 openpic_fdt_probe(device_t dev)
   79 {
   80 
   81         if (!ofw_bus_is_compatible(dev, "chrp,open-pic"))
   82                 return (ENXIO);
   83                 
   84         device_set_desc(dev, OPENPIC_DEVSTR);
   85         return (BUS_PROBE_DEFAULT);
   86 }
   87 
   88 static int
   89 openpic_fdt_attach(device_t dev)
   90 {
   91 
   92         return (openpic_common_attach(dev, ofw_bus_get_node(dev)));
   93 }

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FreeBSD/Linux Kernel Cross Reference sys/powerpc/powerpc/openpic_fdt.c

FreeBSD/Linux Kernel Cross Reference
sys/powerpc/powerpc/openpic_fdt.c