/*      $NetBSD: if_sm_pxaip.c,v 1.6 2012/10/27 17:17:50 chs Exp $      */

/*
* Copyright (c) 2005 Antti Kantee.  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.
* 3. The name of the company nor the name of the author may be used to
*    endorse or promote products derived from this software without specific
*    prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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: if_sm_pxaip.c,v 1.6 2012/10/27 17:17:50 chs Exp $");

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

#include <net/if.h>
#include <net/if_ether.h>
#include <net/if_media.h>

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

#include <dev/mii/mii.h>
#include <dev/mii/miivar.h>

#include <dev/ic/smc91cxxreg.h>
#include <dev/ic/smc91cxxvar.h>

#include <arch/arm/xscale/pxa2x0var.h>
#include <arch/arm/xscale/pxa2x0_gpio.h>

#include <arch/evbarm/viper/viper_reg.h>

static int      sm_pxaip_match(device_t, cfdata_t, void *);
static void     sm_pxaip_attach(device_t, device_t, void *);

struct sm_pxaip_softc {
       struct smc91cxx_softc sc_sm;
       void *ih;
};

CFATTACH_DECL_NEW(sm_pxaip, sizeof(struct sm_pxaip_softc), sm_pxaip_match,
   sm_pxaip_attach, NULL, NULL);

static int
sm_pxaip_match(device_t parent, cfdata_t match, void *aux)
{
       struct pxaip_attach_args *paa = aux;

       if (paa->pxa_addr == VIPER_SMSC_PBASE)
               return 1;
       return 0;
}

static void
sm_pxaip_attach(device_t parent, device_t self, void *aux)
{
       struct sm_pxaip_softc *pxasc = device_private(self);
       struct smc91cxx_softc *sc = &pxasc->sc_sm;
       struct pxaip_attach_args *paa = aux;
       bus_space_tag_t bst = &pxa2x0_bs_tag;
       bus_space_handle_t bsh;

       /* map i/o space */
       if (bus_space_map(bst, paa->pxa_addr, SMC_IOSIZE, 0, &bsh) != 0) {
               aprint_error(": sm_pxaip_attach: can't map i/o space");
               return;
       }

       /* register the interrupt handler */
       pxasc->ih = pxa2x0_gpio_intr_establish(paa->pxa_intr, IST_EDGE_RISING,
           IPL_NET, smc91cxx_intr, sc);
       if (pxasc->ih == NULL) {
               aprint_error(": couldn't establish interrupt\n");
               bus_space_unmap(bst, bsh, SMC_IOSIZE);
               return;
       }

       printf("\n");

       /* fill in master sc */
       sc->sc_dev = self;
       sc->sc_bst = bst;
       sc->sc_bsh = bsh;

       sc->sc_flags = SMC_FLAGS_ENABLED;
       smc91cxx_attach(sc, NULL);
}