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/*-
* 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.
*
* $FreeBSD$
*/
#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 <dev/ofw/openfirm.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <sparc64/fhc/fhcreg.h>
#include <sparc64/fhc/fhcvar.h>
#include <sparc64/sbus/ofw_sbus.h>
static int fhc_central_probe(device_t dev);
static int fhc_central_attach(device_t dev);
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, fhc_release_resource),
DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_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 sbus_regs *reg;
struct fhc_softc *sc;
bus_addr_t size;
bus_addr_t off;
phandle_t node;
int board;
int nreg;
int rid;
int i;
sc = device_get_softc(dev);
node = ofw_bus_get_node(dev);
sc->sc_node = node;
sc->sc_flags |= FHC_CENTRAL;
nreg = OF_getprop_alloc(node, "reg", sizeof(*reg), (void **)®);
if (nreg != FHC_NREG) {
device_printf(dev, "can't get registers");
return (ENXIO);
}
for (i = 0; i < nreg; i++) {
off = reg[i].sbr_offset;
size = reg[i].sbr_size;
rid = 0;
sc->sc_memres[i] = bus_alloc_resource(dev, SYS_RES_MEMORY,
&rid, off, off + size - 1, size, RF_ACTIVE);
if (sc->sc_memres[i] == NULL)
panic("fhc_central_attach: can't allocate registers");
sc->sc_bt[i] = rman_get_bustag(sc->sc_memres[i]);
sc->sc_bh[i] = rman_get_bushandle(sc->sc_memres[i]);
}
free(reg, M_OFWPROP);
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));
}
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