freebsd-dev/sys/powerpc/mambo/mambo.c
Nathan Whitehorn 65d08437ef Move Open Firmware device root on PowerPC, ARM, and MIPS systems to
a sub-node of nexus (ofwbus) rather than direct attach under nexus. This
fixes FDT on x86 and will make coexistence with ACPI on ARM systems easier.
SPARC is unchanged.

Reviewed by:	imp, ian
2014-02-05 14:44:22 +00:00

100 lines
2.8 KiB
C

/*-
* Copyright 2008 by Nathan Whitehorn. 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/module.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/kernel.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/openfirm.h>
#include <machine/bus.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <sys/rman.h>
/*
* Mambo interface
*/
static int mambobus_probe(device_t);
static int mambobus_attach(device_t);
static device_method_t mambobus_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, mambobus_probe),
DEVMETHOD(device_attach, mambobus_attach),
/* Bus interface */
DEVMETHOD(bus_add_child, bus_generic_add_child),
DEVMETHOD(bus_read_ivar, bus_generic_read_ivar),
DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
DEVMETHOD(bus_release_resource, bus_generic_release_resource),
DEVMETHOD(bus_activate_resource,bus_generic_activate_resource),
DEVMETHOD_END
};
static driver_t mambobus_driver = {
"mambo",
mambobus_methods,
0
};
static devclass_t mambobus_devclass;
DRIVER_MODULE(mambo, ofwbus, mambobus_driver, mambobus_devclass, 0, 0);
static int
mambobus_probe(device_t dev)
{
const char *name = ofw_bus_get_name(dev);
if (name && !strcmp(name, "mambo")) {
device_set_desc(dev, "Mambo Simulator");
return (0);
}
return (ENXIO);
}
static int
mambobus_attach(device_t dev)
{
bus_generic_probe(dev);
return (bus_generic_attach(dev));
}