97 lines
3.0 KiB
C
97 lines
3.0 KiB
C
/* $NetBSD: com_obio.c,v 1.5 2011/07/01 20:39:34 dyoung 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.
|
|
*
|
|
* 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/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: com_obio.c,v 1.5 2011/07/01 20:39:34 dyoung Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/device.h>
|
|
#include <sys/termios.h>
|
|
|
|
#include <sys/bus.h>
|
|
|
|
#include <arm/xscale/i80321var.h>
|
|
|
|
#include <evbarm/hdl_g/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(device_t, cfdata_t , void *);
|
|
void com_obio_attach(device_t, device_t, void *);
|
|
|
|
CFATTACH_DECL_NEW(com_obio, sizeof(struct com_obio_softc),
|
|
com_obio_match, com_obio_attach, NULL, NULL);
|
|
|
|
int
|
|
com_obio_match(device_t parent, cfdata_t cf, void *aux)
|
|
{
|
|
|
|
/* We take it on faith that the device is there. */
|
|
return 1;
|
|
}
|
|
|
|
void
|
|
com_obio_attach(device_t parent, device_t self, void *aux)
|
|
{
|
|
struct obio_attach_args *oba = aux;
|
|
struct com_obio_softc *osc = device_private(self);
|
|
struct com_softc *sc = &osc->sc_com;
|
|
bus_space_handle_t ioh;
|
|
int error;
|
|
|
|
sc->sc_dev = self;
|
|
sc->sc_frequency = COM_FREQ;
|
|
sc->sc_hwflags = COM_HW_NO_TXPRELOAD;
|
|
error = bus_space_map(oba->oba_st, oba->oba_addr, 8, 0, &ioh);
|
|
COM_INIT_REGS(sc->sc_regs, oba->oba_st, ioh, oba->oba_addr);
|
|
|
|
if (error) {
|
|
aprint_error(": failed to map registers: %d\n", error);
|
|
return;
|
|
}
|
|
|
|
com_attach_subr(sc);
|
|
|
|
osc->sc_ih = i80321_intr_establish(oba->oba_irq, IPL_SERIAL,
|
|
comintr, sc);
|
|
if (osc->sc_ih == NULL)
|
|
aprint_error_dev(self,
|
|
"unable to establish interrupt at irq %d\n", oba->oba_irq);
|
|
}
|