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/* $OpenBSD: com_lbus.c,v 1.9 2009/03/29 21:53:52 sthen Exp $ */
/*
* Copyright (c) 2001-2004 Opsycon AB (www.opsycon.se / www.opsycon.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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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/tty.h>
#include <machine/autoconf.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#include <dev/ic/ns16550reg.h>
#include <mips64/archtype.h>
#include <sgi/localbus/macebus.h>
int com_macebus_probe(struct device *, void *, void *);
void com_macebus_attach(struct device *, struct device *, void *);
struct cfattach com_macebus_ca = {
sizeof(struct com_softc), com_macebus_probe, com_macebus_attach
};
int
com_macebus_probe(struct device *parent, void *match, void *aux)
{
struct confargs *ca = aux;
bus_space_handle_t ioh;
int rv;
/* If it's in use as the console, then it's there. */
if (ca->ca_baseaddr == comconsaddr && !comconsattached)
return (1);
if (bus_space_map(ca->ca_iot, ca->ca_baseaddr, COM_NPORTS, 0, &ioh))
return (0);
rv = comprobe1(ca->ca_iot, ioh);
bus_space_unmap(ca->ca_iot, ioh, COM_NPORTS);
return rv;
}
void
com_macebus_attach(struct device *parent, struct device *self, void *aux)
{
struct com_softc *sc = (void *)self;
struct confargs *ca = aux;
sc->sc_iot = ca->ca_iot;
sc->sc_hwflags = 0;
sc->sc_swflags = 0;
sc->sc_iobase = ca->ca_baseaddr;
sc->sc_frequency = 1843200;
/* If it's in use as the console, then it's there. */
if (ca->ca_baseaddr == comconsaddr && !comconsattached) {
if (comcnattach(sc->sc_iot, sc->sc_iobase, TTYDEF_SPEED,
sc->sc_frequency, (TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8))
panic("failed to setup serial console!");
sc->sc_ioh = comconsioh;
} else {
if (bus_space_map(sc->sc_iot, ca->ca_baseaddr, COM_NPORTS, 0,
&sc->sc_ioh)) {
printf(": can't map i/o space\n");
return;
}
}
com_attach_subr(sc);
macebus_intr_establish(NULL, ca->ca_intr, IST_EDGE, IPL_TTY, comintr,
(void *)sc, sc->sc_dev.dv_xname);
}
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