95 lines
3 KiB
C
95 lines
3 KiB
C
/* $OpenBSD: mongoose_gsc.c,v 1.2 2022/03/13 08:04:38 mpi Exp $ */
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/*
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* Copyright (c) 2004, Miodrag Vallat.
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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 ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* 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,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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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/device.h>
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#include <machine/bus.h>
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#include <machine/autoconf.h>
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#include <hppa/dev/cpudevs.h>
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#include <dev/eisa/eisavar.h>
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#include <dev/isa/isavar.h>
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#include <hppa/dev/mongoosereg.h>
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#include <hppa/dev/mongoosevar.h>
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#include <hppa/gsc/gscbusvar.h>
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void mgattach_gsc(struct device *, struct device *, void *);
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int mgmatch_gsc(struct device *, void *, void *);
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const struct cfattach mg_gsc_ca = {
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sizeof(struct mongoose_softc), mgmatch_gsc, mgattach_gsc
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};
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int
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mgmatch_gsc(struct device *parent, void *cfdata, void *aux)
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{
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struct gsc_attach_args *ga = aux;
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if (ga->ga_type.iodc_type != HPPA_TYPE_BHA ||
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ga->ga_type.iodc_sv_model != HPPA_BHA_WEISA)
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return (0);
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return (1);
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}
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void
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mgattach_gsc(struct device *parent, struct device *self, void *aux)
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{
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struct mongoose_softc *sc = (struct mongoose_softc *)self;
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struct gsc_attach_args *ga = aux;
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bus_space_handle_t ioh;
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sc->sc_bt = ga->ga_iot;
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sc->sc_iomap = ga->ga_hpa;
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if (bus_space_map(ga->ga_iot, ga->ga_hpa + MONGOOSE_MONGOOSE,
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sizeof(struct mongoose_regs), 0, &ioh) != 0) {
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printf(": can't map IO space\n");
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return;
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}
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sc->sc_regs = (struct mongoose_regs *)ioh;
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if (bus_space_map(ga->ga_iot, ga->ga_hpa + MONGOOSE_CTRL,
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sizeof(struct mongoose_ctrl), 0, &ioh) != 0) {
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printf(": can't map control registers\n");
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bus_space_unmap(ga->ga_iot, (bus_space_handle_t)sc->sc_regs,
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sizeof(struct mongoose_regs));
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return;
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}
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sc->sc_ctrl = (struct mongoose_ctrl *)ioh;
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if (mgattach_common(sc) != 0)
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return;
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sc->sc_ih = gsc_intr_establish((struct gsc_softc *)parent,
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ga->ga_irq, IPL_HIGH, mg_intr, sc, sc->sc_dev.dv_xname);
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}
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