NetBSD/sys/arch/arc/jazz/com_jazzio.c

156 lines
5.7 KiB
C

/* $NetBSD: com_jazzio.c,v 1.1 2000/12/24 09:25:28 ur Exp $ */
/* $OpenBSD: com_lbus.c,v 1.7 1998/03/16 09:38:41 pefo Exp $ */
/* NetBSD: com_isa.c,v 1.12 1998/08/15 17:47:17 mycroft Exp */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum.
*
* 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.
*/
/*-
* Copyright (c) 1991 The Regents of the University of California.
* All rights reserved.
*
* 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 University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*
* @(#)com.c 7.5 (Berkeley) 5/16/91
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/tty.h>
#include <machine/autoconf.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <arc/jazz/jazziovar.h>
#include <dev/isa/isavar.h> /* XXX for isa_chipset_tag_t in com_softc */
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#include <dev/ic/ns16550reg.h>
extern int com_freq;
int com_jazzio_probe __P((struct device *, struct cfdata *, void *));
void com_jazzio_attach __P((struct device *, struct device *, void *));
struct cfattach com_jazzio_ca = {
sizeof(struct com_softc), com_jazzio_probe, com_jazzio_attach
};
int
com_jazzio_probe(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct jazzio_attach_args *ja = aux;
bus_space_tag_t iot;
bus_space_handle_t ioh;
int iobase;
int rv = 1;
if(strcmp(ja->ja_name, "com") != 0)
return (0);
iot = ja->ja_bust;
iobase = ja->ja_addr;
/* if it's in use as console, it's there. */
if (!com_is_console(iot, iobase, 0)) {
if (bus_space_map(iot, iobase, COM_NPORTS, 0, &ioh)) {
return 0;
}
rv = comprobe1(iot, ioh);
bus_space_unmap(iot, ioh, COM_NPORTS);
}
return (rv);
}
void
com_jazzio_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct jazzio_attach_args *ja = aux;
struct com_softc *sc = (void *)self;
int iobase;
bus_space_tag_t iot;
sc->sc_iobase = iobase = ja->ja_addr;
sc->sc_iot = iot = ja->ja_bust;
if (!com_is_console(iot, iobase, &sc->sc_ioh) &&
bus_space_map(iot, iobase, COM_NPORTS, 0, &sc->sc_ioh)) {
printf(": can't map i/o space\n");
return;
}
sc->sc_frequency = com_freq;
SET(sc->sc_hwflags, COM_HW_TXFIFO_DISABLE); /* XXX - NEC M403 */
jazzio_intr_establish(ja->ja_intr, comintr, sc);
com_attach_subr(sc);
}