[MIPS] Cobalt: Move reset port definition to arch/mips/cobalt/reset.c

It's only used in arch/mips/cobalt/reset.c.

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/cobalt/reset.c b/arch/mips/cobalt/reset.c
index f503a0d..81628b3 100644
--- a/arch/mips/cobalt/reset.c
+++ b/arch/mips/cobalt/reset.c
@@ -9,11 +9,15 @@
  * Copyright (C) 2001 by Liam Davies (ldavies@agile.tv)
  */
 #include <linux/init.h>
+#include <linux/io.h>
 #include <linux/jiffies.h>
 #include <linux/leds.h>
 
 #include <cobalt.h>
 
+#define RESET_PORT	((void __iomem *)CKSEG1ADDR(0x1c000000))
+#define RESET		0x0f
+
 DEFINE_LED_TRIGGER(power_off_led_trigger);
 
 static int __init ledtrig_power_off_init(void)
@@ -43,7 +47,7 @@
 		last ^= diff;
 
 		if((diff & (COBALT_KEY_ENTER | COBALT_KEY_SELECT)) && !(~last & (COBALT_KEY_ENTER | COBALT_KEY_SELECT)))
-			COBALT_LED_PORT = COBALT_LED_RESET;
+			writeb(RESET, RESET_PORT);
 
 		for (mark = jiffies; jiffies - mark < HZ;)
 			;
@@ -52,7 +56,7 @@
 
 void cobalt_machine_restart(char *command)
 {
-	COBALT_LED_PORT = COBALT_LED_RESET;
+	writeb(RESET, RESET_PORT);
 
 	/* we should never get here */
 	cobalt_machine_halt();