NetBSD/sys/arch/powerpc/ibm4xx/dev/com_opb.c
2002-10-02 15:52:22 +00:00

99 lines
3.2 KiB
C

/* $NetBSD: com_opb.c,v 1.8 2002/10/02 15:52:27 thorpej Exp $ */
/*
* Copyright 2001 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Eduardo Horvath and Simon Burge for Wasabi Systems, Inc.
*
* 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
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
* 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/device.h>
#include <sys/tty.h>
#include <sys/systm.h>
#include <sys/properties.h>
#include <lib/libkern/libkern.h>
#include <machine/cpu.h>
#include <powerpc/ibm4xx/dev/opbvar.h>
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
struct com_opb_softc {
struct com_softc sc_com;
void *sc_ih;
};
static int com_opb_probe(struct device *, struct cfdata *, void *);
static void com_opb_attach(struct device *, struct device *, void *);
CFATTACH_DECL(com_opb, sizeof(struct com_opb_softc),
com_opb_probe, com_opb_attach, NULL, NULL);
int
com_opb_probe(struct device *parent, struct cfdata *cf, void *aux)
{
struct opb_attach_args *oaa = aux;
/* match only com devices */
if (strcmp(oaa->opb_name, cf->cf_name) != 0)
return 0;
return (1);
}
void
com_opb_attach(struct device *parent, struct device *self, void *aux)
{
struct com_opb_softc *msc = (void *)self;
struct com_softc *sc = &msc->sc_com;
struct opb_attach_args *oaa = aux;
sc->sc_iot = oaa->opb_bt;
sc->sc_iobase = oaa->opb_addr;
bus_space_map(sc->sc_iot, oaa->opb_addr, COM_NPORTS, 0,
&sc->sc_ioh);
if (board_info_get("com-opb-frequency", &sc->sc_frequency,
sizeof(sc->sc_frequency)) == -1)
panic("com_opb_attach: no com-opb-frequency property");
/* XXX console check */
com_attach_subr(sc);
intr_establish(oaa->opb_irq, IST_LEVEL, IPL_SERIAL, comintr, sc);
}