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+###############################################################################
+#
+# MN10300 Watchdog interrupt handler
+#
+# Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
+# Written by David Howells (dhowells@redhat.com)
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public Licence
+# as published by the Free Software Foundation; either version
+# 2 of the Licence, or (at your option) any later version.
+#
+###############################################################################
+#include <linux/sys.h>
+#include <linux/linkage.h>
+#include <asm/intctl-regs.h>
+#include <asm/timer-regs.h>
+#include <asm/frame.inc>
+
+ .text
+
+###############################################################################
+#
+# Watchdog handler entry point
+# - special non-maskable interrupt
+#
+###############################################################################
+ .globl watchdog_handler
+ .type watchdog_handler,@function
+watchdog_handler:
+ add -4,sp
+ SAVE_ALL
+
+ mov 0xffffffff,d0
+ mov d0,(REG_ORIG_D0,fp)
+
+ mov fp,d0
+ lsr 2,d1
+ call watchdog_interrupt[],0 # watchdog_interrupt(regs,irq)
+
+ jmp ret_from_intr
+
+ .size watchdog_handler,.-watchdog_handler
+
+###############################################################################
+#
+# Watchdog touch entry point
+# - kept to absolute minimum (unfortunately, it's prototyped in linux/nmi.h so
+# we can't inline it)
+#
+###############################################################################
+ .globl touch_nmi_watchdog
+ .type touch_nmi_watchdog,@function
+touch_nmi_watchdog:
+ clr d0
+ mov d0,(watchdog_alert_counter)
+ ret [],0
+
+ .size touch_nmi_watchdog,.-touch_nmi_watchdog