/*      $NetBSD: ebus.c,v 1.4 2021/08/07 16:18:48 thorpej Exp $ */

/*-
* Copyright (c) 2010 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code was written by Alessandro Forin and Neil Pittman
* at Microsoft Research and contributed to The NetBSD Foundation
* by Microsoft Corporation.
*
* 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>                  /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: ebus.c,v 1.4 2021/08/07 16:18:48 thorpej Exp $");

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

#include <machine/sysconf.h>
#include <emips/ebus/ebusvar.h>
#include <emips/emips/machdep.h>

#include "locators.h"

void
ebusattach(device_t parent, device_t self, void *aux)
{
       struct ebus_dev_attach_args *ida = aux;
       struct ebus_attach_args *ia;
       void *addr;
       int i;
       int locs[EBUSCF_NLOCS];

       printf("\n");

       /*
        * Loop through the devices and attach them.  If a probe-size
        * is specified, it's an optional item on the platform and
        * do a badaddr() test to make sure it's there.
        */
       for (i = 0; i < ida->ida_ndevs; i++) {
               ia = &ida->ida_devs[i];

#if 0 // DEBUG
               printf("PROBING %s %d@%x i=%d\n",
                   ia->ia_name, ia->ia_basz, ia->ia_paddr, ia->ia_cookie);
#endif
               if (ia->ia_basz != 0) {
                       addr = (void *)mips_map_physmem(ia->ia_paddr,
                           ia->ia_basz);
                       if (addr == NULL) {
                               printf("Failed to map %s: phys %x size %d\n",
                                   ia->ia_name, ia->ia_paddr, ia->ia_basz);
                               continue;
                       }
                       ia->ia_vaddr = addr;
#if 0 // DEBUG
                       printf("MAPPED at %p\n", ia->ia_vaddr);
#endif
               }

               locs[EBUSCF_ADDR] = ia->ia_paddr;

               if (config_found(self, ia, ebusprint,
                                CFARGS(.submatch = config_stdsubmatch,
                                       .locators = locs)) == NULL) {
                       /* do we need to say anything? */
                       if (ia->ia_basz != 0) {
                               mips_unmap_physmem((vaddr_t)ia->ia_vaddr,
                                   ia->ia_basz);
                       }
               }
       }
}

int
ebusprint(void *aux, const char *pnp)
{
       struct ebus_attach_args *ia = aux;

       if (pnp)
               aprint_normal("%s at %s", ia->ia_name, pnp);

       aprint_normal(" addr 0x%x", ia->ia_paddr);

       return UNCONF;
}

void
ebus_intr_establish(device_t dev, void *cookie, int level,
   int (*handler)(void *, void *), void *arg)
{

       (*platform.intr_establish)(dev, cookie, level, handler, arg);
}