m68knommu: factor more common ColdFire cpu reset code

Most of the more modern ColdFire cores use the same code to reset the CPU
(but it is different to most of the earlier cores). Currently that is
duplicated in each of the sub-arch files. Pull out this common code and
out a single copy of it with the other common reset code.

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

arch/m68k/platform/520x/config.c

@@ -74,17 +74,8 @@ static void __init m520x_fec_init(void)
 
 /***************************************************************************/
 
-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 = m520x_cpu_reset;
 	mach_sched_init = hw_timer_init;
 	m520x_uarts_init();
 	m520x_fec_init();

arch/m68k/platform/523x/config.c

@@ -54,17 +54,8 @@ static void __init m523x_fec_init(void)
 
 /***************************************************************************/
 
-static void m523x_cpu_reset(void)
-{
-	local_irq_disable();
-	__raw_writeb(MCF_RCR_SWRESET, MCF_RCR);
-}
-
-/***************************************************************************/
-
 void __init config_BSP(char *commandp, int size)
 {
-	mach_reset = m523x_cpu_reset;
 	mach_sched_init = hw_timer_init;
 	m523x_fec_init();
 #ifdef CONFIG_SPI_COLDFIRE_QSPI

arch/m68k/platform/527x/config.c

@@ -87,17 +87,8 @@ static void __init m527x_fec_init(void)
 
 /***************************************************************************/
 
-static void m527x_cpu_reset(void)
-{
-	local_irq_disable();
-	__raw_writeb(MCF_RCR_SWRESET, MCF_RCR);
-}
-
-/***************************************************************************/
-
 void __init config_BSP(char *commandp, int size)
 {
-	mach_reset = m527x_cpu_reset;
 	mach_sched_init = hw_timer_init;
 	m527x_uarts_init();
 	m527x_fec_init();

arch/m68k/platform/528x/config.c

@@ -60,14 +60,6 @@ static void __init m528x_fec_init(void)
 
 /***************************************************************************/
 
-static void m528x_cpu_reset(void)
-{
-	local_irq_disable();
-	__raw_writeb(MCF_RCR_SWRESET, MCF_RCR);
-}
-
-/***************************************************************************/
-
 #ifdef CONFIG_WILDFIRE
 void wildfire_halt(void)
 {
@@ -103,7 +95,6 @@ void __init config_BSP(char *commandp, int size)
 #ifdef CONFIG_WILDFIREMOD
 	mach_halt = wildfiremod_halt;
 #endif
-	mach_reset = m528x_cpu_reset;
 	mach_sched_init = hw_timer_init;
 	m528x_uarts_init();
 	m528x_fec_init();

arch/m68k/platform/532x/config.c

@@ -61,14 +61,6 @@ static void __init m532x_fec_init(void)
 
 /***************************************************************************/
 
-static void m532x_cpu_reset(void)
-{
-	local_irq_disable();
-	__raw_writeb(MCF_RCR_SWRESET, MCF_RCR);
-}
-
-/***************************************************************************/
-
 void __init config_BSP(char *commandp, int size)
 {
 #if !defined(CONFIG_BOOTPARAM)
@@ -83,7 +75,6 @@ void __init config_BSP(char *commandp, int size)
 #endif
 
 	mach_sched_init = hw_timer_init;
-	mach_reset = m532x_cpu_reset;
 	m532x_uarts_init();
 	m532x_fec_init();
 #ifdef CONFIG_SPI_COLDFIRE_QSPI

arch/m68k/platform/coldfire/Makefile

@@ -17,14 +17,14 @@ asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1
 obj-$(CONFIG_COLDFIRE)	+= cache.o clk.o device.o dma.o entry.o vectors.o
 obj-$(CONFIG_M5206)	+= timers.o intc.o reset.o
 obj-$(CONFIG_M5206e)	+= timers.o intc.o reset.o
-obj-$(CONFIG_M520x)	+= pit.o intc-simr.o
-obj-$(CONFIG_M523x)	+= pit.o dma_timer.o intc-2.o
+obj-$(CONFIG_M520x)	+= pit.o intc-simr.o reset.o
+obj-$(CONFIG_M523x)	+= pit.o dma_timer.o intc-2.o reset.o
 obj-$(CONFIG_M5249)	+= timers.o intc.o reset.o
-obj-$(CONFIG_M527x)	+= pit.o intc-2.o
+obj-$(CONFIG_M527x)	+= pit.o intc-2.o reset.o
 obj-$(CONFIG_M5272)	+= timers.o
-obj-$(CONFIG_M528x)	+= pit.o intc-2.o
+obj-$(CONFIG_M528x)	+= pit.o intc-2.o reset.o
 obj-$(CONFIG_M5307)	+= timers.o intc.o reset.o
-obj-$(CONFIG_M532x)	+= timers.o intc-simr.o
+obj-$(CONFIG_M532x)	+= timers.o intc-simr.o reset.o
 obj-$(CONFIG_M5407)	+= timers.o intc.o reset.o
 obj-$(CONFIG_M54xx)	+= sltimers.o intc-2.o
 

arch/m68k/platform/coldfire/reset.c

@@ -15,7 +15,15 @@
 #include <asm/coldfire.h>
 #include <asm/mcfsim.h>
 
-void mcf_cpu_reset(void)
+/*
+ *	There are 2 common methods amongst the ColdFure parts for reseting
+ *	the CPU. But there are couple of exceptions, the 5272 and the 547x
+ *	have something completely special to them, and we let their specific
+ *	subarch code handle them.
+ */
+
+#ifdef MCFSIM_SYPCR
+static void mcf_cpu_reset(void)
 {
 	local_irq_disable();
 	/* Set watchdog to soft reset, and enabled */
@@ -23,6 +31,15 @@ void mcf_cpu_reset(void)
 	for (;;)
 		/* wait for watchdog to timeout */;
 }
+#endif
+
+#ifdef MCF_RCR
+static void mcf_cpu_reset(void)
+{
+	local_irq_disable();
+	__raw_writeb(MCF_RCR_SWRESET, MCF_RCR);
+}
+#endif
 
 static int __init mcf_setup_reset(void)
 {