/*      $NetBSD: epcom_ts.c,v 1.9 2023/12/20 13:55:18 thorpej Exp $ */
/*
* Copyright (c) 2002
*      Ichiro FUKUHARA <[email protected]>.
* All rights reserved.
*
* 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 ICHIRO FUKUHARA ``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 ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD 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: epcom_ts.c,v 1.9 2023/12/20 13:55:18 thorpej Exp $");

/* Front-end of epcom */

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

#include <sys/termios.h>

#include <machine/intr.h>
#include <sys/bus.h>

#include <arm/ep93xx/epcomreg.h>
#include <arm/ep93xx/epcomvar.h>
#include <arm/ep93xx/ep93xxreg.h>
#include <arm/ep93xx/ep93xxvar.h>
#include <arm/ep93xx/epsocvar.h>

#include <evbarm/tsarm/epcom_tsvar.h>

static int      epcom_ts_match(device_t, cfdata_t, void *);
static void     epcom_ts_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(epcom_ts, sizeof(struct epcom_ts_softc),
   epcom_ts_match, epcom_ts_attach, NULL, NULL);

static int
epcom_ts_match(device_t parent, cfdata_t match, void *aux)
{
       if (strcmp(match->cf_name, "epcom") == 0)
               return 1;
       return 0;
}

static void
epcom_ts_attach(device_t parent, device_t self, void *aux)
{
       struct epcom_ts_softc *esc = device_private(self);
       struct epcom_softc *sc = &esc->sc_epcom;
       struct epsoc_attach_args *sa = aux;
       uint32_t pwrcnt;
       bus_space_handle_t ioh;

       sc->sc_dev = self;
       esc->sc_iot = sa->sa_iot;
       sc->sc_iot = sa->sa_iot;
       sc->sc_hwbase = sa->sa_addr;

       aprint_normal("\n");

       bus_space_map(sa->sa_iot, sa->sa_addr, sa->sa_size, 0, &sc->sc_ioh);

       bus_space_map(sa->sa_iot, EP93XX_APB_HWBASE + EP93XX_APB_SYSCON,
               EP93XX_APB_SYSCON_SIZE, 0, &ioh);
       pwrcnt = bus_space_read_4(sa->sa_iot, ioh, EP93XX_SYSCON_PwrCnt);
       pwrcnt &= ~(PwrCnt_UARTBAUD);
       bus_space_write_4(sa->sa_iot, ioh, EP93XX_SYSCON_PwrCnt, pwrcnt);
       bus_space_unmap(sa->sa_iot, ioh, EP93XX_APB_SYSCON_SIZE);

       epcom_attach_subr(sc);
       ep93xx_intr_establish(sa->sa_intr, IPL_SERIAL, epcomintr, sc);
}