/*      $NetBSD: vme_machdep.c,v 1.24 2022/06/26 05:16:22 tsutsui Exp $ */

/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
* 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 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: vme_machdep.c,v 1.24 2022/06/26 05:16:22 tsutsui Exp $");

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

#include <uvm/uvm_extern.h>

#include <sys/bus.h>
#include <machine/cpu.h>
#include <machine/iomap.h>
#include <machine/mfp.h>

#include <atari/atari/device.h>
#include <atari/vme/vmevar.h>

static int      vmebusprint(void *, const char *);
static int      vmebusmatch(device_t, cfdata_t, void *);
static void     vmebusattach(device_t, device_t, void *);

CFATTACH_DECL_NEW(avmebus, 0,
   vmebusmatch, vmebusattach, NULL, NULL);

static int vmebus_attached;

static int
vmebusmatch(device_t parent, cfdata_t cf, void *aux)
{

       if (atari_realconfig == 0)
               return 0;
       if (strcmp((char *)aux, "avmebus") || vmebus_attached)
               return 0;
       return ((machineid & ATARI_FALCON) != 0) ? 0 : 1;
}

static void
vmebusattach(device_t parent, device_t self, void *aux)
{
       struct vmebus_attach_args vba;

       vmebus_attached = 1;

       vba.vba_busname = "vme";
       vba.vba_iot     = beb_alloc_bus_space_tag(NULL);
       vba.vba_memt    = beb_alloc_bus_space_tag(NULL);
       if ((vba.vba_iot == NULL) || (vba.vba_memt == NULL)) {
               aprint_error("beb_alloc_bus_space_tag failed!\n");
               return;
       }

       /*
        * XXX: Should we use zero or the actual (phys) start of VME memory.
        */
       vba.vba_iot->base  = 0;
       vba.vba_memt->base = 0;

       aprint_normal("\n");
       config_found(self, &vba, vmebusprint, CFARGS_NONE);
}

static int
vmebusprint(void *aux, const char *name)
{

       if (name == NULL)
               return UNCONF;
       return QUIET;
}