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/*
* Copyright 2006 Kyma Systems LLC.
* All rights reserved.
*
* Written by Sanjay Lal <sanjayl@kymasys.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 for the NetBSD Project by
* Kyma Systems LLC.
* 4. The name of Kyma Systems LLC may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY KYMA SYSTEMS LLC ``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 KYMA SYSTEMS LLC
* 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 device attachment to mainbus for MAMBO G5 simulator */
#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/tty.h>
#include <sys/bus.h>
#include <dev/ofw/openfirm.h>
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#include <machine/autoconf.h>
struct com_mainbus_softc
{
struct com_softc sc_com; /* real "com" softc */
void *sc_ih; /* interrupt handler */
};
int com_mainbus_probe(device_t, cfdata_t , void *);
void com_mainbus_attach(device_t, device_t, void *);
CFATTACH_DECL_NEW(com_mainbus, sizeof(struct com_mainbus_softc),
com_mainbus_probe, com_mainbus_attach, NULL, NULL);
int com_mainbus_attached = 0;
int
com_mainbus_probe(device_t parent, cfdata_t match, void *aux)
{
struct confargs *ca = aux;
if (strcmp(ca->ca_name, "com") != 0)
return 0;
if (!com_mainbus_attached) {
com_mainbus_attached = 1;
return (1);
}
else
return 0;
}
void
com_mainbus_attach(device_t parent, device_t self, void *aux)
{
struct com_mainbus_softc *msc = device_private(self);
struct com_softc *sc = &msc->sc_com;
int serial;
int interrupts[8];
bus_space_tag_t iot;
bus_space_handle_t ioh;
bus_addr_t iobase;
sc->sc_dev = self;
serial = OF_finddevice("/ht@0/isa@4/serial@0x3f8");
if (serial != -1) {
(void)OF_getprop(serial, "interrupts", interrupts, sizeof(interrupts));
}
iot = (bus_space_tag_t)0xf4000000;
iobase = 0x3f8;
comcnattach(iot, iobase, 9600, 1843200, COM_TYPE_NORMAL, (CREAD | CS8));
bus_space_map(iot, iobase, COM_NPORTS, 0, &ioh);
com_init_regs(&sc->sc_regs, iot, ioh, iobase);
sc->sc_frequency = 1843200;
com_attach_subr(sc);
#if 1
msc->sc_ih =
intr_establish_xname(interrupts[0], IST_LEVEL, IPL_SERIAL, comintr, sc,
device_xname(self));
if (msc->sc_ih == NULL)
panic("failed to establish int handler");
#endif
}
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