NetBSD/sys/arch/evbarm/iq80310/com_obio.c

102 lines
3.4 KiB
C

/* $NetBSD: com_obio.c,v 1.2 2001/11/07 00:33:23 thorpej Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas <matt@3am-software.com>.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/termios.h>
#include <machine/bus.h>
#include <evbarm/iq80310/iq80310var.h>
#include <evbarm/iq80310/obiovar.h>
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
struct com_obio_softc {
struct com_softc sc_com;
void *sc_ih;
};
int com_obio_match(struct device *, struct cfdata *, void *);
void com_obio_attach(struct device *, struct device *, void *);
struct cfattach com_obio_ca = {
sizeof(struct com_obio_softc), com_obio_match, com_obio_attach
};
int
com_obio_match(struct device *parent, struct cfdata *cf, void *aux)
{
struct obio_attach_args *oba = aux;
if (strcmp(cf->cf_driver->cd_name, oba->oba_name) == 0)
return (1);
return (0);
}
void
com_obio_attach(struct device *parent, struct device *self, void *aux)
{
struct obio_attach_args *oba = aux;
struct com_obio_softc *osc = (void *) self;
struct com_softc *sc = &osc->sc_com;
int error;
sc->sc_iot = oba->oba_st;
sc->sc_iobase = oba->oba_addr;
sc->sc_frequency = COM_FREQ;
error = bus_space_map(sc->sc_iot, oba->oba_addr, 8, 0, &sc->sc_ioh);
if (error) {
printf(": failed to map registers: %d\n", error);
return;
}
com_attach_subr(sc);
osc->sc_ih = iq80310_intr_establish(oba->oba_irq, IPL_SERIAL,
comintr, sc);
if (osc->sc_ih == NULL)
printf("%s: unable to establish interrupt at CPLD irq %d\n",
sc->sc_dev.dv_xname, oba->oba_irq);
}