133 lines
3.9 KiB
C
133 lines
3.9 KiB
C
/*-
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* Copyright (c) 2003 Jake Burkholder.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <dev/ofw/openfirm.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <sparc64/central/centralvar.h>
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#include <sparc64/fhc/fhcreg.h>
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#include <sparc64/fhc/fhcvar.h>
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#include <sparc64/sbus/ofw_sbus.h>
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static int fhc_central_probe(device_t dev);
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static int fhc_central_attach(device_t dev);
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static device_method_t fhc_central_methods[] = {
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/* Device interface. */
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DEVMETHOD(device_probe, fhc_central_probe),
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DEVMETHOD(device_attach, fhc_central_attach),
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/* Bus interface. */
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DEVMETHOD(bus_print_child, fhc_print_child),
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DEVMETHOD(bus_probe_nomatch, fhc_probe_nomatch),
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DEVMETHOD(bus_read_ivar, fhc_read_ivar),
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DEVMETHOD(bus_write_ivar, fhc_write_ivar),
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DEVMETHOD(bus_setup_intr, fhc_setup_intr),
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DEVMETHOD(bus_teardown_intr, fhc_teardown_intr),
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DEVMETHOD(bus_alloc_resource, fhc_alloc_resource),
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DEVMETHOD(bus_release_resource, fhc_release_resource),
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DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
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DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
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{ NULL, NULL }
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};
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static driver_t fhc_central_driver = {
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"fhc",
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fhc_central_methods,
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sizeof(struct fhc_softc),
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};
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static devclass_t fhc_central_devclass;
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DRIVER_MODULE(fhc, central, fhc_central_driver, fhc_central_devclass, 0, 0);
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static int
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fhc_central_probe(device_t dev)
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{
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if (strcmp(central_get_name(dev), "fhc") == 0) {
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device_set_desc(dev, "fhc");
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return (fhc_probe(dev));
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}
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return (ENXIO);
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}
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static int
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fhc_central_attach(device_t dev)
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{
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struct sbus_regs *reg;
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struct fhc_softc *sc;
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bus_addr_t size;
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bus_addr_t off;
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phandle_t node;
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int board;
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int nreg;
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int rid;
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int i;
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sc = device_get_softc(dev);
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node = central_get_node(dev);
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sc->sc_node = node;
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sc->sc_flags |= FHC_CENTRAL;
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nreg = OF_getprop_alloc(node, "reg", sizeof(*reg), (void **)®);
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if (nreg != FHC_NREG) {
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device_printf(dev, "can't get registers");
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return (ENXIO);
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}
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for (i = 0; i < nreg; i++) {
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off = reg[i].sbr_offset;
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size = reg[i].sbr_size;
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rid = 0;
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sc->sc_memres[i] = bus_alloc_resource(dev, SYS_RES_MEMORY,
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&rid, off, off + size - 1, size, RF_ACTIVE);
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if (sc->sc_memres[i] == NULL)
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panic("fhc_central_attach: can't allocate registers");
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sc->sc_bt[i] = rman_get_bustag(sc->sc_memres[i]);
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sc->sc_bh[i] = rman_get_bushandle(sc->sc_memres[i]);
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}
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free(reg, M_OFWPROP);
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board = bus_space_read_4(sc->sc_bt[FHC_INTERNAL],
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sc->sc_bh[FHC_INTERNAL], FHC_BSR);
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sc->sc_board = ((board >> 16) & 0x1) | ((board >> 12) & 0xe);
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return (fhc_attach(dev));
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}
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