1 files changed, 17 insertions, 3 deletions

diff --git a/include/asm-arm/arch-s3c2410/system.h b/include/asm-arm/arch-s3c2410/system.h
index 63891786dfa0..14de4e596f87 100644
--- a/include/asm-arm/arch-s3c2410/system.h
+++ b/include/asm-arm/arch-s3c2410/system.h
@@ -20,6 +20,9 @@
 #include <asm/plat-s3c/regs-watchdog.h>
 #include <asm/arch/regs-clock.h>
 
+#include <linux/clk.h>
+#include <linux/err.h>
+
 void (*s3c24xx_idle)(void);
 void (*s3c24xx_reset_hook)(void);
 
@@ -59,6 +62,8 @@ static void arch_idle(void)
 static void
 arch_reset(char mode)
 {
+        struct clk *wdtclk;
+
         if (mode == 's') {
                 cpu_reset(0);
         }
@@ -70,19 +75,28 @@ arch_reset(char mode)
 
         __raw_writel(0, S3C2410_WTCON);   /* disable watchdog, to be safe  */
 
+        wdtclk = clk_get(NULL, "watchdog");
+        if (!IS_ERR(wdtclk)) {
+                clk_enable(wdtclk);
+        } else
+                printk(KERN_WARNING "%s: warning: cannot get watchdog clock\n", __func__);
+
         /* put initial values into count and data */
-        __raw_writel(0x100, S3C2410_WTCNT);
-        __raw_writel(0x100, S3C2410_WTDAT);
+        __raw_writel(0x80, S3C2410_WTCNT);
+        __raw_writel(0x80, S3C2410_WTDAT);
 
         /* set the watchdog to go and reset... */
         __raw_writel(S3C2410_WTCON_ENABLE|S3C2410_WTCON_DIV16|S3C2410_WTCON_RSTEN |
                      S3C2410_WTCON_PRESCALE(0x20), S3C2410_WTCON);
 
         /* wait for reset to assert... */
-        mdelay(5000);
+        mdelay(500);
 
         printk(KERN_ERR "Watchdog reset failed to assert reset\n");
 
+        /* delay to allow the serial port to show the message */
+        mdelay(50);
+
         /* we'll take a jump through zero as a poor second */
         cpu_reset(0);
 }