freebsd-dev/sys/mips/malta/gt.c
2020-09-01 21:21:19 +00:00

132 lines
3.6 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2005 Olivier Houchard. 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.
*
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/module.h>
#include <sys/rman.h>
#include <sys/types.h>
#include <vm/vm.h>
#include <vm/vm_kern.h>
#include <vm/pmap.h>
#include <vm/vm_page.h>
#include <vm/vm_extern.h>
#include <dev/ic/i8259.h>
#include <machine/bus.h>
#include <machine/intr_machdep.h>
#include <mips/malta/gtvar.h>
static int
gt_probe(device_t dev)
{
device_set_desc(dev, "GT64120 chip");
return (BUS_PROBE_NOWILDCARD);
}
static void
gt_identify(driver_t *drv, device_t parent)
{
BUS_ADD_CHILD(parent, 0, "gt", 0);
}
static int
gt_attach(device_t dev)
{
struct gt_softc *sc = device_get_softc(dev);
sc->dev = dev;
device_add_child(dev, "pcib", 0);
bus_generic_probe(dev);
bus_generic_attach(dev);
return (0);
}
static struct resource *
gt_alloc_resource(device_t dev, device_t child, int type, int *rid,
rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
{
return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
type, rid, start, end, count, flags));
}
static int
gt_setup_intr(device_t dev, device_t child,
struct resource *ires, int flags, driver_filter_t *filt,
driver_intr_t *intr, void *arg, void **cookiep)
{
return BUS_SETUP_INTR(device_get_parent(dev), child, ires, flags,
filt, intr, arg, cookiep);
}
static int
gt_teardown_intr(device_t dev, device_t child, struct resource *res,
void *cookie)
{
return (BUS_TEARDOWN_INTR(device_get_parent(dev), child, res, cookie));
}
static int
gt_activate_resource(device_t dev, device_t child, int type, int rid,
struct resource *r)
{
return (BUS_ACTIVATE_RESOURCE(device_get_parent(dev), child,
type, rid, r));
}
static device_method_t gt_methods[] = {
DEVMETHOD(device_probe, gt_probe),
DEVMETHOD(device_identify, gt_identify),
DEVMETHOD(device_attach, gt_attach),
DEVMETHOD(bus_setup_intr, gt_setup_intr),
DEVMETHOD(bus_teardown_intr, gt_teardown_intr),
DEVMETHOD(bus_alloc_resource, gt_alloc_resource),
DEVMETHOD(bus_activate_resource, gt_activate_resource),
DEVMETHOD_END
};
static driver_t gt_driver = {
"gt",
gt_methods,
sizeof(struct gt_softc),
};
static devclass_t gt_devclass;
DRIVER_MODULE(gt, nexus, gt_driver, gt_devclass, 0, 0);