NetBSD/sys/arch/evbarm/iq80310/com_obio.c
thorpej 1a5a7fe7b7 Use indirect configuration for on-board devices (i.e. those things
attached to "obio") on the IQ80310 and IQ80321.  It makes more sense
to do it this way for this type of system (the goal being to encapsulate
as much information about the board as possible into one file).
2002-10-03 20:14:58 +00:00

99 lines
3.4 KiB
C

/* $NetBSD: com_obio.c,v 1.8 2002/10/03 20:14:58 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 *);
CFATTACH_DECL(com_obio, sizeof(struct com_obio_softc),
com_obio_match, com_obio_attach, NULL, NULL);
int
com_obio_match(struct device *parent, struct cfdata *cf, void *aux)
{
/* We take it on faith that the device is there. */
return (1);
}
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;
sc->sc_hwflags = COM_HW_NO_TXPRELOAD;
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);
}