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122 lines
3.3 KiB
C
122 lines
3.3 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright 2003 by Peter Grehan. 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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*/
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/*
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* The psim iobus attachment for the OpenPIC interrupt controller.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/module.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 <dev/ofw/openfirm.h>
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#include <machine/bus.h>
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#include <machine/intr_machdep.h>
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#include <machine/md_var.h>
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#include <machine/pio.h>
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#include <machine/resource.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <sys/rman.h>
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#include <machine/openpicreg.h>
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#include <machine/openpicvar.h>
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#include <powerpc/psim/iobusvar.h>
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#include "pic_if.h"
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/*
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* PSIM IOBus interface
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*/
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static int openpic_iobus_probe(device_t);
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static int openpic_iobus_attach(device_t);
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static device_method_t openpic_iobus_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, openpic_iobus_probe),
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DEVMETHOD(device_attach, openpic_iobus_attach),
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/* PIC interface */
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DEVMETHOD(pic_config, openpic_config),
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DEVMETHOD(pic_dispatch, openpic_dispatch),
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DEVMETHOD(pic_enable, openpic_enable),
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DEVMETHOD(pic_eoi, openpic_eoi),
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DEVMETHOD(pic_ipi, openpic_ipi),
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DEVMETHOD(pic_mask, openpic_mask),
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DEVMETHOD(pic_unmask, openpic_unmask),
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{ 0, 0 }
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};
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static driver_t openpic_iobus_driver = {
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"openpic",
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openpic_iobus_methods,
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sizeof(struct openpic_softc)
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};
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DRIVER_MODULE(openpic, iobus, openpic_iobus_driver, 0, 0);
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static int
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openpic_iobus_probe(device_t dev)
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{
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struct openpic_softc *sc;
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char *name;
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name = iobus_get_name(dev);
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if (strcmp(name, "interrupt-controller") != 0)
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return (ENXIO);
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/*
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* The description was already printed out in the nexus
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* probe, so don't do it again here
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*/
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device_set_desc(dev, OPENPIC_DEVSTR);
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sc = device_get_softc(dev);
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sc->sc_psim = 1;
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return (0);
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}
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static int
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openpic_iobus_attach(device_t dev)
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{
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return (openpic_common_attach(dev, 0));
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}
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