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/* $OpenBSD: memc.c,v 1.9 2004/01/14 20:50:48 miod Exp $ */
/*
* Copyright (c) 1995 Theo de Raadt
* 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 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 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.
*/
/*
* MEMC/MCECC chips
* these chips are rather similar in appearance except that the MEMC
* does parity while the MCECC does ECC.
*/
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/ioctl.h>
#include <sys/proc.h>
#include <sys/user.h>
#include <sys/tty.h>
#include <sys/uio.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/syslog.h>
#include <sys/fcntl.h>
#include <sys/device.h>
#include <machine/autoconf.h>
#include <machine/cpu.h>
#include <dev/cons.h>
#include <mvme88k/dev/memcreg.h>
struct memcsoftc {
struct device sc_dev;
void * sc_vaddr;
struct memcreg *sc_memc;
struct intrhand sc_ih;
};
void memcattach(struct device *, struct device *, void *);
int memcmatch(struct device *, void *, void *);
struct cfattach memc_ca = {
sizeof(struct memcsoftc), memcmatch, memcattach
};
struct cfdriver memc_cd = {
NULL, "memc", DV_DULL
};
/*int memcintr(struct frame *frame);*/
int
memcmatch(parent, vcf, args)
struct device *parent;
void *vcf, *args;
{
struct confargs *ca = args;
struct memcreg *memc = (struct memcreg *)ca->ca_vaddr;
if (badvaddr((vaddr_t)memc, 4))
return (0);
if (memc->memc_chipid==MEMC_CHIPID || memc->memc_chipid==MCECC_CHIPID)
return (1);
return (0);
}
void
memcattach(parent, self, args)
struct device *parent, *self;
void *args;
{
struct confargs *ca = args;
struct memcsoftc *sc = (struct memcsoftc *)self;
/*
* since we know ourself to land in intiobase land,
* we must adjust our address
*/
sc->sc_memc = (struct memcreg *)ca->ca_vaddr;
printf(": %s rev %d",
(sc->sc_memc->memc_chipid == MEMC_CHIPID) ? "MEMC040" : "MCECC",
sc->sc_memc->memc_chiprev);
#if 0
sc->sc_ih.ih_fn = memcintr;
sc->sc_ih.ih_arg = 0;
sc->sc_ih.ih_wantframe = 1;
sc->sc_ih.ih_ipl = 7;
mcintr_establish(xxx, &sc->sc_ih);
#endif
switch (sc->sc_memc->memc_chipid) {
case MEMC_CHIPID:
break;
case MCECC_CHIPID:
break;
}
printf("\n");
}
#if 0
int
memcintr(eframe)
void *eframe;
{
return (0);
}
#endif
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