/*      $NetBSD: com_obio.c,v 1.8 2018/12/08 17:46:10 thorpej 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 <[email protected]>.
*
* 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 1.8 2018/12/08 17:46:10 thorpej Exp $");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/termios.h>

#include <sys/bus.h>

#include <arm/xscale/beccreg.h>
#include <arm/xscale/beccvar.h>

#include <evbarm/adi_brh/brhreg.h>
#include <evbarm/adi_brh/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 = BECC_PERIPH_CLOCK;
       sc->sc_hwflags = COM_HW_NO_TXPRELOAD;
       error = bus_space_map(oba->oba_st, oba->oba_addr, 8, 0, &ioh);

       if (error) {
               aprint_error(": failed to map registers: %d\n", error);
               return;
       }
       com_init_regs(&sc->sc_regs, oba->oba_st, ioh, oba->oba_addr);

       com_attach_subr(sc);

       osc->sc_ih = becc_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);
}