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authormjacob <mjacob@FreeBSD.org>2000-05-07 04:53:04 +0000
committermjacob <mjacob@FreeBSD.org>2000-05-07 04:53:04 +0000
commite2b6c95f298278ba6bded072c9b38f3f8fde34f7 (patch)
tree723ff989cbfc4388e88059d97d6c6f27b8a5e90a /sys/alpha/mcbus/mcmem.c
parentab3a6fa241f847a7e5b51507352ea06630588c2c (diff)
downloadFreeBSD-src-e2b6c95f298278ba6bded072c9b38f3f8fde34f7.zip
FreeBSD-src-e2b6c95f298278ba6bded072c9b38f3f8fde34f7.tar.gz
Add in a first pass at Alpha 4100 (Rawhide) support. It doesn't quite
boot all the way yet, but it's darn close (blows up somewhere probing the PS/2 mouse on the EISA bus).
Diffstat (limited to 'sys/alpha/mcbus/mcmem.c')
-rw-r--r--sys/alpha/mcbus/mcmem.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/sys/alpha/mcbus/mcmem.c b/sys/alpha/mcbus/mcmem.c
new file mode 100644
index 0000000..aa023a2
--- /dev/null
+++ b/sys/alpha/mcbus/mcmem.c
@@ -0,0 +1,84 @@
+/* $FreeBSD$ */
+
+/*
+ * Copyright (c) 2000 by Matthew Jacob
+ * 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.
+ *
+ * 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 MCBUS Memory Modules
+ * found on AlphaServer 4100 systems.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/bus.h>
+#include <sys/malloc.h>
+
+#include <machine/rpb.h>
+
+#include <alpha/mcbus/mcbusreg.h>
+#include <alpha/mcbus/mcbusvar.h>
+
+/*
+ * Device methods
+ */
+static int mcbusmem_probe(device_t);
+
+static device_method_t mcbusmem_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, mcbusmem_probe),
+ DEVMETHOD(device_attach, bus_generic_attach),
+ DEVMETHOD(device_detach, bus_generic_detach),
+ DEVMETHOD(device_shutdown, bus_generic_shutdown),
+
+ /* Bus interface */
+ DEVMETHOD(bus_print_child, bus_generic_print_child),
+ DEVMETHOD(bus_read_ivar, bus_generic_read_ivar),
+ DEVMETHOD(bus_write_ivar, bus_generic_write_ivar),
+ DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
+ DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
+
+ { 0, 0 }
+};
+
+static devclass_t mcbusmem_devclass;
+static driver_t mcbusmem_driver = {
+ "mcbusmem", mcbusmem_methods, 1
+};
+
+static int
+mcbusmem_probe(device_t dev)
+{
+ struct mcbus_device *mdev = DEVTOMCBUS(dev);
+ if (mdev->ma_type != MCBUS_TYPE_MEM) {
+ return (-1);
+ }
+ return (0);
+}
+
+DRIVER_MODULE(mcbusmem, mcbus, mcbusmem_driver, mcbusmem_devclass, 0, 0);
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