openpic_ofw.c revision 171805
1/*- 2 * Copyright 2003 by Peter Grehan. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 3. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 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, 20 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 22 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 */ 28 29#include <sys/cdefs.h> 30__FBSDID("$FreeBSD: head/sys/powerpc/powermac/openpic_macio.c 171805 2007-08-11 19:25:32Z marcel $"); 31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/module.h> 35#include <sys/bus.h> 36#include <sys/conf.h> 37#include <sys/kernel.h> 38 39#include <dev/ofw/ofw_bus.h> 40#include <dev/ofw/openfirm.h> 41 42#include <machine/bus.h> 43#include <machine/intr.h> 44#include <machine/intr_machdep.h> 45#include <machine/md_var.h> 46#include <machine/nexusvar.h> 47#include <machine/pio.h> 48#include <machine/resource.h> 49 50#include <vm/vm.h> 51#include <vm/pmap.h> 52 53#include <sys/rman.h> 54 55#include <machine/openpicvar.h> 56 57#include "pic_if.h" 58 59/* 60 * MacIO interface 61 */ 62static int openpic_macio_probe(device_t); 63 64static device_method_t openpic_macio_methods[] = { 65 /* Device interface */ 66 DEVMETHOD(device_probe, openpic_macio_probe), 67 DEVMETHOD(device_attach, openpic_attach), 68 69 /* PIC interface */ 70 DEVMETHOD(pic_dispatch, openpic_dispatch), 71 DEVMETHOD(pic_enable, openpic_enable), 72 DEVMETHOD(pic_eoi, openpic_eoi), 73 DEVMETHOD(pic_mask, openpic_mask), 74 DEVMETHOD(pic_unmask, openpic_unmask), 75 76 { 0, 0 }, 77}; 78 79static driver_t openpic_macio_driver = { 80 "openpic", 81 openpic_macio_methods, 82 sizeof(struct openpic_softc), 83}; 84 85DRIVER_MODULE(openpic, macio, openpic_macio_driver, openpic_devclass, 0, 0); 86 87static int 88openpic_macio_probe(device_t dev) 89{ 90 const char *type = ofw_bus_get_type(dev); 91 92 if (strcmp(type, "open-pic") != 0) 93 return (ENXIO); 94 95 device_set_desc(dev, OPENPIC_DEVSTR); 96 return (0); 97} 98