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authorTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 10:44:53 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 10:44:53 +0000
commit49235ceee0c25492d4ca35194d7c72838a9ec284 (patch)
tree14f77677934d4f4cb9baa428691ace792fd0deed /sys/arch/mvme68k/dev/memc.c
parentc9328c850e70436131e06a34f73c14cc230c18f9 (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.c131
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);
+}