m68knommu: move CPU reset code for the 5272 ColdFire into its platform code

gregungerer · gregungerer · commit 05728aec8b05 · 2009-06-11T13:09:10.000+10:00
Signed-off-by: Greg Ungerer &lt;gerg@uclinux.org&gt;
diff --git a/arch/m68knommu/platform/5272/config.c b/arch/m68knommu/platform/5272/config.c
@@ -12,7 +12,6 @@
 #include <linux/kernel.h>
 #include <linux/param.h>
 #include <linux/init.h>
-#include <linux/interrupt.h>
 #include <linux/io.h>
 #include <asm/machdep.h>
 #include <asm/coldfire.h>
@@ -21,8 +20,6 @@
 
 /***************************************************************************/
 
-void coldfire_reset(void);
-
 extern unsigned int mcf_timervector;
 extern unsigned int mcf_profilevector;
 extern unsigned int mcf_timerlevel;
@@ -170,6 +167,19 @@ void mcf_settimericr(int timer, int level)
 
 /***************************************************************************/
 
+static void m5272_cpu_reset(void)
+{
+	local_irq_disable();
+	/* Set watchdog to reset, and enabled */
+	__raw_writew(0, MCF_MBAR + MCFSIM_WIRR);
+	__raw_writew(1, MCF_MBAR + MCFSIM_WRRR);
+	__raw_writew(0, MCF_MBAR + MCFSIM_WCR);
+	for (;;)
+		/* wait for watchdog to timeout */;
+}
+
+/***************************************************************************/
+
 void __init config_BSP(char *commandp, int size)
 {
 #if defined (CONFIG_MOD5272)
@@ -194,7 +204,7 @@ void __init config_BSP(char *commandp, int size)
 
 	mcf_timervector = 69;
 	mcf_profilevector = 70;
-	mach_reset = coldfire_reset;
+	mach_reset = m5272_cpu_reset;
 }
 
 /***************************************************************************/
