130 lines
3.8 KiB
C
130 lines
3.8 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 <sys/module.h>
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#include <dev/ofw/openfirm.h>
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#include <machine/bus.h>
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#include <machine/ofw_upa.h>
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#include <machine/nexusvar.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <sparc64/fhc/fhcreg.h>
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#include <sparc64/fhc/fhcvar.h>
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static int fhc_nexus_probe(device_t dev);
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static int fhc_nexus_attach(device_t dev);
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static device_method_t fhc_nexus_methods[] = {
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/* Device interface. */
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DEVMETHOD(device_probe, fhc_nexus_probe),
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DEVMETHOD(device_attach, fhc_nexus_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_nexus_driver = {
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"fhc",
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fhc_nexus_methods,
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sizeof(struct fhc_softc),
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};
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static devclass_t fhc_nexus_devclass;
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DRIVER_MODULE(fhc, nexus, fhc_nexus_driver, fhc_nexus_devclass, 0, 0);
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static int
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fhc_nexus_probe(device_t dev)
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{
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if (strcmp(nexus_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_nexus_attach(device_t dev)
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{
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struct fhc_softc *sc;
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struct upa_regs *reg;
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bus_addr_t phys;
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bus_addr_t size;
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phandle_t node;
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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 = nexus_get_node(dev);
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sc->sc_node = node;
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reg = nexus_get_reg(dev);
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nreg = nexus_get_nreg(dev);
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if (nreg != FHC_NREG) {
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device_printf(dev, "wrong number of regs");
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return (ENXIO);
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}
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for (i = 0; i < nreg; i++) {
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phys = UPA_REG_PHYS(reg + i);
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size = UPA_REG_SIZE(reg + i);
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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, phys, phys + size - 1, size, RF_ACTIVE);
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if (sc->sc_memres[i] == NULL)
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panic("fhc_nexus_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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OF_getprop(node, "board#", &sc->sc_board, sizeof(sc->sc_board));
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return (fhc_attach(dev));
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}
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