112 lines
3.1 KiB
C
112 lines
3.1 KiB
C
/*-
|
|
* Copyright 2003 by Peter Grehan. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* The psim iobus attachment for the OpenPIC interrupt controller.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/module.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/conf.h>
|
|
#include <sys/kernel.h>
|
|
|
|
#include <dev/ofw/openfirm.h>
|
|
|
|
#include <machine/bus.h>
|
|
#include <machine/intr_machdep.h>
|
|
#include <machine/md_var.h>
|
|
#include <machine/pio.h>
|
|
#include <machine/resource.h>
|
|
|
|
#include <vm/vm.h>
|
|
#include <vm/pmap.h>
|
|
|
|
#include <sys/rman.h>
|
|
|
|
#include <machine/openpicvar.h>
|
|
#include <powerpc/psim/iobusvar.h>
|
|
|
|
#include "pic_if.h"
|
|
|
|
/*
|
|
* PSIM IOBus interface
|
|
*/
|
|
static int openpic_iobus_probe(device_t);
|
|
|
|
static device_method_t openpic_iobus_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, openpic_iobus_probe),
|
|
DEVMETHOD(device_attach, openpic_attach),
|
|
|
|
/* PIC interface */
|
|
DEVMETHOD(pic_config, openpic_config),
|
|
DEVMETHOD(pic_dispatch, openpic_dispatch),
|
|
DEVMETHOD(pic_enable, openpic_enable),
|
|
DEVMETHOD(pic_eoi, openpic_eoi),
|
|
DEVMETHOD(pic_ipi, openpic_ipi),
|
|
DEVMETHOD(pic_mask, openpic_mask),
|
|
DEVMETHOD(pic_unmask, openpic_unmask),
|
|
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t openpic_iobus_driver = {
|
|
"openpic",
|
|
openpic_iobus_methods,
|
|
sizeof(struct openpic_softc)
|
|
};
|
|
|
|
DRIVER_MODULE(openpic, iobus, openpic_iobus_driver, openpic_devclass, 0, 0);
|
|
|
|
static int
|
|
openpic_iobus_probe(device_t dev)
|
|
{
|
|
struct openpic_softc *sc;
|
|
char *name;
|
|
|
|
name = iobus_get_name(dev);
|
|
if (strcmp(name, "interrupt-controller") != 0)
|
|
return (ENXIO);
|
|
|
|
/*
|
|
* The description was already printed out in the nexus
|
|
* probe, so don't do it again here
|
|
*/
|
|
device_set_desc(dev, OPENPIC_DEVSTR);
|
|
|
|
sc = device_get_softc(dev);
|
|
sc->sc_psim = 1;
|
|
|
|
return (0);
|
|
}
|