diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 10:44:53 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 10:44:53 +0000 |
commit | 49235ceee0c25492d4ca35194d7c72838a9ec284 (patch) | |
tree | 14f77677934d4f4cb9baa428691ace792fd0deed /sys/arch/mvme68k/dev/memc.c | |
parent | c9328c850e70436131e06a34f73c14cc230c18f9 (diff) |
mvme68k port by me. some parts by dale rahn.
Diffstat (limited to 'sys/arch/mvme68k/dev/memc.c')
-rw-r--r-- | sys/arch/mvme68k/dev/memc.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/sys/arch/mvme68k/dev/memc.c b/sys/arch/mvme68k/dev/memc.c new file mode 100644 index 00000000000..9a16dd2a393 --- /dev/null +++ b/sys/arch/mvme68k/dev/memc.c @@ -0,0 +1,131 @@ +/* $NetBSD$ */ + +/* + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Theo de Raadt + * 4. 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 ``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/callout.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/syslog.h> +#include <sys/fcntl.h> +#include <sys/device.h> +#include <machine/cpu.h> +#include <machine/autoconf.h> +#include <dev/cons.h> + +#include <mvme68k/dev/memcreg.h> + +struct memcsoftc { + struct device sc_dev; + caddr_t sc_vaddr; + struct memcreg *sc_memc; + struct intrhand sc_ih; +}; + +void memcattach __P((struct device *, struct device *, void *)); +int memcmatch __P((struct device *, void *, void *)); + +struct cfdriver memccd = { + NULL, "memc", memcmatch, memcattach, + DV_DULL, sizeof(struct memcsoftc), 0 +}; + +int memcintr __P((struct frame *frame)); + +int +memcmatch(parent, vcf, args) + struct device *parent; + void *vcf, *args; +{ + struct cfdata *cf = vcf; + struct confargs *ca = args; + struct memcreg *memc = (struct memcreg *)ca->ca_vaddr; + + if (badvaddr(memc, 1)) + 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_ipl = 7; + sc->sc_ih.ih_wantframe = 1; + mcintr_establish(xxx, &sc->sc_ih); +#endif + + switch (sc->sc_memc->memc_chipid) { + case MEMC_CHIPID: + break; + case MCECC_CHIPID: + break; + } + + printf("\n"); +} + +int +memcintr(frame) + struct frame *frame; +{ + return (0); +} |