m68knommu: add CPU reset code for the 532x ColdFire

gregungerer · gregungerer · commit 384feb913197 · 2009-06-11T13:09:10.000+10:00
Signed-off-by: Greg Ungerer &lt;gerg@uclinux.org&gt;
diff --git a/arch/m68k/include/asm/m532xsim.h b/arch/m68k/include/asm/m532xsim.h
@@ -125,6 +125,18 @@
 #define	ACR_CM_OFF_IMP		(3<<5)
 #define	ACR_WPROTECT		(1<<2)
 
+/*********************************************************************
+ *
+ * Reset Controller Module
+ *
+ *********************************************************************/
+
+#define	MCF_RCR			0xFC0A0000
+#define	MCF_RSR			0xFC0A0001
+
+#define	MCF_RCR_SWRESET		0x80		/* Software reset bit */
+#define	MCF_RCR_FRCSTOUT	0x40		/* Force external reset */
+
 /*********************************************************************
  *
  * Inter-IC (I2C) Module
diff --git a/arch/m68knommu/platform/532x/config.c b/arch/m68knommu/platform/532x/config.c
@@ -31,8 +31,6 @@
 
 /***************************************************************************/
 
-void coldfire_reset(void);
-
 extern unsigned int mcf_timervector;
 extern unsigned int mcf_profilevector;
 extern unsigned int mcf_timerlevel;
@@ -164,6 +162,14 @@ void mcf_settimericr(unsigned int timer, unsigned int level)
 
 /***************************************************************************/
 
+static void m532x_cpu_reset(void)
+{
+	local_irq_disable();
+	__raw_writeb(MCF_RCR_SWRESET, MCF_RCR);
+}
+
+/***************************************************************************/
+
 void __init config_BSP(char *commandp, int size)
 {
 	mcf_setimr(MCFSIM_IMR_MASKALL);
@@ -181,7 +187,7 @@ void __init config_BSP(char *commandp, int size)
 
 	mcf_timervector = 64+32;
 	mcf_profilevector = 64+33;
-	mach_reset = coldfire_reset;
+	mach_reset = m532x_cpu_reset;
 
 #ifdef CONFIG_BDM_DISABLE
 	/*
