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

Signed-off-by: Greg Ungerer <gerg@uclinux.org>

2 files changed, 18 insertions, 6 deletions

diff --git a/arch/m68k/include/asm/m520xsim.h b/arch/m68k/include/asm/m520xsim.h
index 49d016e6391a..83bbcfd6e8f2 100644
--- a/arch/m68k/include/asm/m520xsim.h
+++ b/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 */
diff --git a/arch/m68knommu/platform/520x/config.c b/arch/m68knommu/platform/520x/config.c
index 855fc6a79d72..1c43a8aec69b 100644
--- a/arch/m68knommu/platform/520x/config.c
+++ b/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();
 }