mvme68k port by me. some parts by dale rahn.

1 files changed, 173 insertions, 0 deletions

diff --git a/sys/arch/mvme68k/dev/vmel.c b/sys/arch/mvme68k/dev/vmel.c
new file mode 100644
index 00000000000..68fdb1cf7f2
--- /dev/null
+++ b/sys/arch/mvme68k/dev/vmel.c
@@ -0,0 +1,173 @@
+/*	$NetBSD$ */
+
+/*
+ * 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.
+ */
+
+#include <sys/param.h>
+#include <sys/conf.h>
+#include <sys/proc.h>
+#include <sys/user.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/device.h>
+#include <machine/autoconf.h>
+#include <machine/cpu.h>
+#include <mvme68k/dev/vme.h>
+
+/*
+ * The VMEL driver deals with D32 transfers on the VME bus. The number
+ * of address bits (A16, A24, A32) is irrelevant since the mapping
+ * functions will decide how many address bits are relevant.
+ */
+
+void vmelattach __P((struct device *, struct device *, void *));
+int  vmelmatch __P((struct device *, void *, void *));
+
+struct vmelsoftc {
+	struct device		sc_dev;
+	struct vmesoftc		*sc_vme;
+};
+
+struct cfdriver vmelcd = {
+	NULL, "vmel", vmelmatch, vmelattach,
+	DV_DULL, sizeof(struct vmelsoftc), 0
+};
+
+int
+vmelmatch(parent, cf, args)
+	struct device *parent;
+	void *cf, *args;
+{
+	return (1);
+}
+
+int
+vmelscan(parent, child, args)
+	struct device *parent;
+	void *child, *args;
+{
+	return (vmescan(parent, child, args, BUS_VMEL));
+}
+
+void
+vmelattach(parent, self, args)
+	struct device *parent, *self;
+	void *args;
+{
+	struct vmelsoftc *sc = (struct vmelsoftc *)self;
+
+	printf("\n");
+
+	sc->sc_vme = (struct vmesoftc *)parent;
+
+	config_search(vmelscan, self, args);
+}
+
+/*ARGSUSED*/
+int
+vmelopen(dev, flag, mode)
+	dev_t dev;
+	int flag, mode;
+{
+	if (minor(dev) >= vmelcd.cd_ndevs ||
+	    vmelcd.cd_devs[minor(dev)] == NULL)
+		return (ENODEV);
+	return (0);
+}
+
+/*ARGSUSED*/
+int
+vmelclose(dev, flag, mode)
+	dev_t dev;
+	int flag, mode;
+{
+
+	return (0);
+}
+
+/*ARGSUSED*/
+int
+vmelioctl(dev, cmd, data, flag, p)
+	dev_t   dev;
+	caddr_t data;
+	int     cmd, flag;
+	struct proc *p;
+{
+	int unit = minor(dev);
+	struct vmelsoftc *sc = (struct vmelsoftc *) vmelcd.cd_devs[unit];
+	int error = 0;
+
+	switch (cmd) {
+	default:
+		error = ENOTTY;
+		break;
+	}
+	return (error);
+}
+
+int
+vmelread(dev, uio, flags)
+	dev_t dev;
+	struct uio *uio;
+	int flags;
+{
+	int unit = minor(dev);
+	struct vmelsoftc *sc = (struct vmelsoftc *) vmelcd.cd_devs[unit];
+
+	return (vmerw(sc->sc_vme, uio, flags, BUS_VMEL));
+}
+
+int
+vmelwrite(dev, uio, flags)
+	dev_t dev;
+	struct uio *uio;
+	int flags;
+{
+	int unit = minor(dev);
+	struct vmelsoftc *sc = (struct vmelsoftc *) vmelcd.cd_devs[unit];
+
+	return (vmerw(sc->sc_vme, uio, flags, BUS_VMEL));
+}
+
+int
+vmelmmap(dev, off, prot)
+	dev_t dev;
+	int off, prot;
+{
+	int unit = minor(dev);
+	struct vmelsoftc *sc = (struct vmelsoftc *) vmelcd.cd_devs[unit];
+	caddr_t pa;
+
+	pa = vmepmap(sc->sc_vme, (caddr_t)off, NBPG, BUS_VMEL);
+	printf("vmel %x pa %x\n", off, pa);
+	if (pa == NULL)
+		return (-1);
+	return (m68k_btop(pa));
+}