sys/powerpc/mpc85xx/openpic_fdt.c

   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("$FreeBSD$");
  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 }