m68knommu: move CPU reset code for the 523x ColdFire into its platform code

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

2 files changed, 17 insertions, 6 deletions

diff --git a/arch/m68k/include/asm/m523xsim.h b/arch/m68k/include/asm/m523xsim.h
index bf397313e93f..55183b5df1b8 100644
--- a/arch/m68k/include/asm/m523xsim.h
+++ b/arch/m68k/include/asm/m523xsim.h
@@ -41,5 +41,14 @@
 #define MCFSIM_DACR1            0x50            /* SDRAM base address 1 */
 #define MCFSIM_DMR1             0x54            /* SDRAM address mask 1 */
 
+/*
+ *  Reset Controll Unit (relative to IPSBAR).
+ */
+#define MCF_RCR                 0x110000
+#define MCF_RSR                 0x110001
+
+#define MCF_RCR_SWRESET         0x80            /* Software reset bit */
+#define MCF_RCR_FRCSTOUT        0x40            /* Force external reset */
+
 /****************************************************************************/
 #endif  /* m523xsim_h */
diff --git a/arch/m68knommu/platform/523x/config.c b/arch/m68knommu/platform/523x/config.c
index 74133f27b30c..961fefebca14 100644
--- a/arch/m68knommu/platform/523x/config.c
+++ b/arch/m68knommu/platform/523x/config.c
@@ -15,7 +15,6 @@
 #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>
@@ -24,10 +23,6 @@
 
 /***************************************************************************/
 
-void coldfire_reset(void);
-
-/***************************************************************************/
-
 static struct mcf_platform_uart m523x_uart_platform[] = {
         {
                 .mapbase        = MCF_MBAR + MCFUART_BASE1,
@@ -145,13 +140,20 @@ void mcf_autovector(unsigned int vec)
 {
         /* Everything is auto-vectored on the 523x */
 }
+/***************************************************************************/
+
+static void m523x_cpu_reset(void)
+{
+        local_irq_disable();
+        __raw_writeb(MCF_RCR_SWRESET, MCF_IPSBAR + MCF_RCR);
+}
 
 /***************************************************************************/
 
 void __init config_BSP(char *commandp, int size)
 {
         mcf_disableall();
-        mach_reset = coldfire_reset;
+        mach_reset = m523x_cpu_reset;
         m523x_uarts_init();
         m523x_fec_init();
 }