/* $NetBSD: tlsbmem.c,v 1.12 2021/07/04 22:42:36 thorpej Exp $ */

/*
* Copyright (c) 1997 by Matthew Jacob
* NASA AMES Research Center.
* 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 immediately at the beginning of the file, without modification,
*    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 author may not be used to endorse or promote products
*    derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 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.
*/

/*
* Dummy Node for TLSB Memory Modules found on
* AlphaServer 8200 and 8400 systems.
*/

#include <sys/cdefs.h>                  /* RCS ID & Copyright macro defns */

__KERNEL_RCSID(0, "$NetBSD: tlsbmem.c,v 1.12 2021/07/04 22:42:36 thorpej Exp $");

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

#include <machine/autoconf.h>
#include <machine/rpb.h>
#include <machine/pte.h>

#include <alpha/tlsb/tlsbreg.h>
#include <alpha/tlsb/tlsbvar.h>

struct tlsbmem_softc {
       device_t        sc_dev;
       int             sc_node;        /* TLSB node */
       uint16_t        sc_dtype;       /* device type */
};

static int      tlsbmemmatch(device_t, cfdata_t, void *);
static void     tlsbmemattach(device_t, device_t, void *);

CFATTACH_DECL_NEW(tlsbmem, sizeof (struct tlsbmem_softc),
   tlsbmemmatch, tlsbmemattach, NULL, NULL);

static int
tlsbmemmatch(device_t parent, cfdata_t cf, void *aux)
{
       struct tlsb_dev_attach_args *ta = aux;
       if (TLDEV_ISMEM(ta->ta_dtype))
               return (1);
       return (0);
}

static void
tlsbmemattach(device_t parent, device_t self, void *aux)
{
       struct tlsb_dev_attach_args *ta = aux;
       struct tlsbmem_softc *sc = device_private(self);

       sc->sc_dev = self;
       sc->sc_node = ta->ta_node;
       sc->sc_dtype = ta->ta_dtype;

       aprint_normal("\n");
}