NetBSD/sys/arch/alpha/tlsb/tlsbmem.c

97 lines
3.0 KiB
C

/* $NetBSD: tlsbmem.c,v 1.4 1997/04/07 23:41:10 cgd 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 <machine/options.h> /* Config options headers */
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: tlsbmem.c,v 1.4 1997/04/07 23:41:10 cgd Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/malloc.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 {
struct device sc_dv;
int sc_node; /* TLSB node */
u_int16_t sc_dtype; /* device type */
};
static int tlsbmemmatch __P((struct device *, struct cfdata *, void *));
static void tlsbmemattach __P((struct device *, struct device *, void *));
struct cfattach tlsbmem_ca = {
sizeof (struct tlsbmem_softc), tlsbmemmatch, tlsbmemattach
};
struct cfdriver tlsbmem_cd = {
NULL, "tlsbmem", DV_DULL,
};
static int
tlsbmemmatch(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct tlsb_dev_attach_args *ta = aux;
if (TLDEV_ISMEM(ta->ta_dtype))
return (1);
return (0);
}
static void
tlsbmemattach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
struct tlsb_dev_attach_args *ta = aux;
struct tlsbmem_softc *sc = (struct tlsbmem_softc *)self;
sc->sc_node = ta->ta_node;
sc->sc_dtype = ta->ta_dtype;
printf("\n");
}