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com (16550) attachment for iq80310

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matt 2001-09-02 18:50:13 +00:00
parent 00ed7f60d7
commit 64bde37d3a
1 changed files with 86 additions and 0 deletions
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sys/arch/evbarm/iq80310/com_obio.c Normal file
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/*-
* 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/autoconf.h>
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
static int com_obio_match (struct device *, struct cfdata *, void *);
static void com_obio_attach (struct device *, struct device *, void *);
struct cfattach com_obio_ca = {
sizeof(struct com_softc), com_obio_match, com_obio_attach
};
extern struct cfdriver com_cd;
static int
com_obio_match(struct device *parent, struct cfdata *cf, void *aux)
{
struct obio_attach_args *oa = aux;
return strcmp(com_cd.cd_name, oa->oa_name) == 0 &&
cf->obiocf_instance == oa->oa_instance;
}
static void
com_obio_attach(struct device *parent, struct device *self, void *aux)
{
struct obio_attach_args *oa = aux;
struct com_softc *sc = (struct com_softc *) self;
int error;
KASSERT(oa->oa_nregions > 0);
sc->sc_iot = oa->oa_memt;
sc->sc_iobase = oa->oa_addrs[0];
sc->sc_frequency = COM_FREQ;
error = bus_space_map(sc->sc_iot, oa->oa_addrs[0],
oa->oa_lens[0], 0, &sc->sc_ioh);
if (error) {
printf(": failed to map registers: %d\n", error);
return;
}
com_attach_subr(sc);
obio_intr_establish(oa, comintr, sc);
}