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m68knommu: move CPU reset code for the 520x ColdFire into its platform code

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Greg Ungerer 16 years ago
parent
commit
25ce4a908a
2 changed files with 18 additions and 6 deletions
  1. 9 0
      arch/m68k/include/asm/m520xsim.h
  2. 9 6
      arch/m68knommu/platform/520x/config.c

+ 9 - 0
arch/m68k/include/asm/m520xsim.h

@@ -59,5 +59,14 @@
 #define MCFPIT_IMR		MCFINTC_IMRL
 #define MCFPIT_IMR_IBIT		(1 << MCFINT_PIT1)
 
+/*
+ *  Reset Controll Unit.
+ */
+#define	MCF_RCR			0xFC0A0000
+#define	MCF_RSR			0xFC0A0001
+
+#define	MCF_RCR_SWRESET		0x80		/* Software reset bit */
+#define	MCF_RCR_FRCSTOUT	0x40		/* Force external reset */
+
 /****************************************************************************/
 #endif  /* m520xsim_h */

+ 9 - 6
arch/m68knommu/platform/520x/config.c

@@ -14,7 +14,6 @@
 #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>
@@ -23,10 +22,6 @@
 
 /***************************************************************************/
 
-void coldfire_reset(void);
-
-/***************************************************************************/
-
 static struct mcf_platform_uart m520x_uart_platform[] = {
 	{
 		.mapbase	= MCF_MBAR + MCFUART_BASE1,
@@ -169,9 +164,17 @@ void mcf_autovector(unsigned int vec)
 
 /***************************************************************************/
 
+static void m520x_cpu_reset(void)
+{
+	local_irq_disable();
+	__raw_writeb(MCF_RCR_SWRESET, MCF_RCR);
+}
+
+/***************************************************************************/
+
 void __init config_BSP(char *commandp, int size)
 {
-	mach_reset = coldfire_reset;
+	mach_reset = m520x_cpu_reset;
 	m520x_uarts_init();
 	m520x_fec_init();
 }