freebsd-dev/sys/sparc64/fhc/fhc_central.c
Marius Strobl 6283ced1e2 - Add suport for the bus_get_resource() device interface method to
central(4) and fhc(4) by using bus_generic_rl_get_resource().
- Remove some superfluous breaks in central.c
2005-05-19 15:09:56 +00:00

128 lines
3.9 KiB
C

/*-
* Copyright (c) 2003 Jake Burkholder.
* 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 <dev/ofw/ofw_bus.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <sparc64/fhc/fhcreg.h>
#include <sparc64/fhc/fhcvar.h>
static device_probe_t fhc_central_probe;
static device_attach_t fhc_central_attach;
static device_method_t fhc_central_methods[] = {
/* Device interface. */
DEVMETHOD(device_probe, fhc_central_probe),
DEVMETHOD(device_attach, fhc_central_attach),
/* Bus interface. */
DEVMETHOD(bus_print_child, fhc_print_child),
DEVMETHOD(bus_probe_nomatch, fhc_probe_nomatch),
DEVMETHOD(bus_setup_intr, fhc_setup_intr),
DEVMETHOD(bus_teardown_intr, fhc_teardown_intr),
DEVMETHOD(bus_alloc_resource, fhc_alloc_resource),
DEVMETHOD(bus_release_resource, bus_generic_rl_release_resource),
DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
DEVMETHOD(bus_get_resource_list, fhc_get_resource_list),
DEVMETHOD(bus_get_resource, bus_generic_rl_get_resource),
/* ofw_bus interface */
DEVMETHOD(ofw_bus_get_compat, fhc_get_compat),
DEVMETHOD(ofw_bus_get_model, fhc_get_model),
DEVMETHOD(ofw_bus_get_name, fhc_get_name),
DEVMETHOD(ofw_bus_get_node, fhc_get_node),
DEVMETHOD(ofw_bus_get_type, fhc_get_type),
{ NULL, NULL }
};
static driver_t fhc_central_driver = {
"fhc",
fhc_central_methods,
sizeof(struct fhc_softc),
};
static devclass_t fhc_central_devclass;
DRIVER_MODULE(fhc, central, fhc_central_driver, fhc_central_devclass, 0, 0);
static int
fhc_central_probe(device_t dev)
{
if (strcmp(ofw_bus_get_name(dev), "fhc") == 0) {
device_set_desc(dev, "fhc");
return (fhc_probe(dev));
}
return (ENXIO);
}
static int
fhc_central_attach(device_t dev)
{
struct fhc_softc *sc;
phandle_t node;
int board;
int rid;
int i;
sc = device_get_softc(dev);
node = ofw_bus_get_node(dev);
sc->sc_node = node;
sc->sc_flags |= FHC_CENTRAL;
for (i = 0; i < FHC_NREG; i++) {
rid = i;
sc->sc_memres[i] = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
&rid, RF_ACTIVE);
if (sc->sc_memres[i] == NULL)
panic("%s: can't allocate registers", __func__);
sc->sc_bt[i] = rman_get_bustag(sc->sc_memres[i]);
sc->sc_bh[i] = rman_get_bushandle(sc->sc_memres[i]);
}
board = bus_space_read_4(sc->sc_bt[FHC_INTERNAL],
sc->sc_bh[FHC_INTERNAL], FHC_BSR);
sc->sc_board = ((board >> 16) & 0x1) | ((board >> 12) & 0xe);
return (fhc_attach(dev));
}