1 files changed, 59 insertions, 0 deletions

diff --git a/arch/mips/momentum/ocelot_3/reset.c b/arch/mips/momentum/ocelot_3/reset.c
new file mode 100644
index 000000000000..72b4423c0864
--- /dev/null
+++ b/arch/mips/momentum/ocelot_3/reset.c
@@ -0,0 +1,59 @@
+/*
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ *
+ * Copyright (C) 1997, 01, 05 Ralf Baechle
+ * Copyright 2001 MontaVista Software Inc.
+ * Author: jsun@mvista.com or jsun@junsun.net
+ *
+ * Copyright (C) 2002 Momentum Computer Inc.
+ * Author: Matthew Dharm <mdharm@momenco.com>
+ *
+ * Louis Hamilton, Red Hat, Inc.
+ * hamilton@redhat.com  [MIPS64 modifications]
+ *
+ * Copyright 2004 PMC-Sierra
+ * Author: Manish Lachwani (lachwani@pmc-sierra.com)
+ *
+ * Copyright (C) 2004 MontaVista Software Inc.
+ * Author: Manish Lachwani, mlachwani@mvista.com
+ */
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+#include <asm/pgtable.h>
+#include <asm/processor.h>
+#include <asm/reboot.h>
+#include <asm/system.h>
+
+void momenco_ocelot_restart(char *command)
+{
+        /* base address of timekeeper portion of part */
+        void *nvram = (void *) 0xfc807000L;
+
+        /* Ask the NVRAM/RTC/watchdog chip to assert reset in 1/16 second */
+        writeb(0x84, nvram + 0xff7);
+
+        /* wait for the watchdog to go off */
+        mdelay(100+(1000/16));
+
+        /* if the watchdog fails for some reason, let people know */
+        printk(KERN_NOTICE "Watchdog reset failed\n");
+}
+
+void momenco_ocelot_halt(void)
+{
+        printk(KERN_NOTICE "\n** You can safely turn off the power\n");
+        while (1)
+                __asm__(".set\tmips3\n\t"
+                        "wait\n\t"
+                        ".set\tmips0");
+}
+
+void momenco_ocelot_power_off(void)
+{
+        momenco_ocelot_halt();
+}