[WATCHDOG] SuperH 5 support for SH watchdog driver.

From patch in 2.4 by Paul Mundt

drivers/char/watchdog/shwdt.c

 /*
  * drivers/char/shwdt.c
  *
- * Watchdog driver for integrated watchdog in the SuperH 3/4 processors.
+ * Watchdog driver for integrated watchdog in the SuperH processors.
  *
- * Copyright (C) 2001 Paul Mundt <lethal@chaoticdreams.org>
+ * Copyright (C) 2001, 2002 Paul Mundt <lethal@0xd6.org>
  *
  * 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
@@ -26,14 +26,17 @@
 #include <asm/io.h>
 #include <asm/uaccess.h>
 
-#if defined(CONFIG_CPU_SH4)
+#if defined(CONFIG_CPU_SH5)
+  #define WTCNT		CPRC_BASE + 0x10
+  #define WTCSR		CPRC_BASE + 0x18
+#elif defined(CONFIG_CPU_SH4)
   #define WTCNT		0xffc00008
   #define WTCSR		0xffc0000c
 #elif defined(CONFIG_CPU_SH3)
   #define WTCNT		0xffffff84
   #define WTCSR		0xffffff86
 #else
-  #error "Can't use SH 3/4 watchdog on non-SH 3/4 processor."
+  #error "Can't use SuperH watchdog on this platform"
 #endif
 
 #define WTCNT_HIGH	0x5a00
@@ -405,8 +408,8 @@ static void __exit sh_wdt_exit(void)
 	misc_deregister(&sh_wdt_miscdev);
 }
 
-MODULE_AUTHOR("Paul Mundt <lethal@chaoticdreams.org>");
-MODULE_DESCRIPTION("SH 3/4 watchdog driver");
+MODULE_AUTHOR("Paul Mundt <lethal@0xd6.org>");
+MODULE_DESCRIPTION("SuperH watchdog driver");
 MODULE_LICENSE("GPL");
 MODULE_PARM(clock_division_ratio, "i");
 MODULE_PARM_DESC(clock_division_ratio, "Clock division ratio. Valid ranges are from 0x5 (1.31ms) to 0x7 (5.25ms). Defaults to 0x7.");