m68knommu: factor some common ColdFire cpu reset code
A number of the early ColdFire cores use the same code to reset the CPU.
Currently that is duplicated in each of the sub-arch files. Pull out this
common code and use a single copy of it for all CPU types that use it.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
diff --git a/arch/m68k/platform/5206/config.c b/arch/m68k/platform/5206/config.c
index c81dd51..6bfbeeb 100644
--- a/arch/m68k/platform/5206/config.c
+++ b/arch/m68k/platform/5206/config.c
@@ -19,17 +19,6 @@
/***************************************************************************/
-void m5206_cpu_reset(void)
-{
- local_irq_disable();
- /* Set watchdog to soft reset, and enabled */
- __raw_writeb(0xc0, MCF_MBAR + MCFSIM_SYPCR);
- for (;;)
- /* wait for watchdog to timeout */;
-}
-
-/***************************************************************************/
-
void __init config_BSP(char *commandp, int size)
{
#if defined(CONFIG_NETtel)
@@ -38,7 +27,6 @@
commandp[size-1] = 0;
#endif /* CONFIG_NETtel */
- mach_reset = m5206_cpu_reset;
mach_sched_init = hw_timer_init;
/* Only support the external interrupts on their primary level */
diff --git a/arch/m68k/platform/5249/config.c b/arch/m68k/platform/5249/config.c
index cda2733..bbf0513 100644
--- a/arch/m68k/platform/5249/config.c
+++ b/arch/m68k/platform/5249/config.c
@@ -83,21 +83,10 @@
/***************************************************************************/
-void m5249_cpu_reset(void)
-{
- local_irq_disable();
- /* Set watchdog to soft reset, and enabled */
- __raw_writeb(0xc0, MCF_MBAR + MCFSIM_SYPCR);
- for (;;)
- /* wait for watchdog to timeout */;
-}
-
-/***************************************************************************/
-
void __init config_BSP(char *commandp, int size)
{
- mach_reset = m5249_cpu_reset;
mach_sched_init = hw_timer_init;
+
#ifdef CONFIG_M5249C3
m5249_smc91x_init();
#endif
diff --git a/arch/m68k/platform/5307/config.c b/arch/m68k/platform/5307/config.c
index 5f4bf6c..a568d28 100644
--- a/arch/m68k/platform/5307/config.c
+++ b/arch/m68k/platform/5307/config.c
@@ -28,17 +28,6 @@
/***************************************************************************/
-void m5307_cpu_reset(void)
-{
- local_irq_disable();
- /* Set watchdog to soft reset, and enabled */
- __raw_writeb(0xc0, MCF_MBAR + MCFSIM_SYPCR);
- for (;;)
- /* wait for watchdog to timeout */;
-}
-
-/***************************************************************************/
-
void __init config_BSP(char *commandp, int size)
{
#if defined(CONFIG_NETtel) || \
@@ -48,7 +37,6 @@
commandp[size-1] = 0;
#endif
- mach_reset = m5307_cpu_reset;
mach_sched_init = hw_timer_init;
/* Only support the external interrupts on their primary level */
diff --git a/arch/m68k/platform/5407/config.c b/arch/m68k/platform/5407/config.c
index 19c6125..bb6c746 100644
--- a/arch/m68k/platform/5407/config.c
+++ b/arch/m68k/platform/5407/config.c
@@ -19,20 +19,8 @@
/***************************************************************************/
-void m5407_cpu_reset(void)
-{
- local_irq_disable();
- /* set watchdog to soft reset, and enabled */
- __raw_writeb(0xc0, MCF_MBAR + MCFSIM_SYPCR);
- for (;;)
- /* wait for watchdog to timeout */;
-}
-
-/***************************************************************************/
-
void __init config_BSP(char *commandp, int size)
{
- mach_reset = m5407_cpu_reset;
mach_sched_init = hw_timer_init;
/* Only support the external interrupts on their primary level */
diff --git a/arch/m68k/platform/coldfire/Makefile b/arch/m68k/platform/coldfire/Makefile
index 4572af2..bccab93 100644
--- a/arch/m68k/platform/coldfire/Makefile
+++ b/arch/m68k/platform/coldfire/Makefile
@@ -15,17 +15,17 @@
asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1
obj-$(CONFIG_COLDFIRE) += cache.o clk.o device.o dma.o entry.o vectors.o
-obj-$(CONFIG_M5206) += timers.o intc.o
-obj-$(CONFIG_M5206e) += timers.o intc.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-$(CONFIG_M5249) += timers.o intc.o
+obj-$(CONFIG_M5249) += timers.o intc.o reset.o
obj-$(CONFIG_M527x) += pit.o intc-2.o
obj-$(CONFIG_M5272) += timers.o
obj-$(CONFIG_M528x) += pit.o intc-2.o
-obj-$(CONFIG_M5307) += timers.o intc.o
+obj-$(CONFIG_M5307) += timers.o intc.o reset.o
obj-$(CONFIG_M532x) += timers.o intc-simr.o
-obj-$(CONFIG_M5407) += timers.o intc.o
+obj-$(CONFIG_M5407) += timers.o intc.o reset.o
obj-$(CONFIG_M54xx) += sltimers.o intc-2.o
obj-y += pinmux.o gpio.o
diff --git a/arch/m68k/platform/coldfire/reset.c b/arch/m68k/platform/coldfire/reset.c
new file mode 100644
index 0000000..5ed78d3
--- /dev/null
+++ b/arch/m68k/platform/coldfire/reset.c
@@ -0,0 +1,33 @@
+/*
+ * reset.c -- common ColdFire SoC reset support
+ *
+ * (C) Copyright 2012, Greg Ungerer <gerg@uclinux.org>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <asm/machdep.h>
+#include <asm/coldfire.h>
+#include <asm/mcfsim.h>
+
+void mcf_cpu_reset(void)
+{
+ local_irq_disable();
+ /* Set watchdog to soft reset, and enabled */
+ __raw_writeb(0xc0, MCF_MBAR + MCFSIM_SYPCR);
+ for (;;)
+ /* wait for watchdog to timeout */;
+}
+
+static int __init mcf_setup_reset(void)
+{
+ mach_reset = mcf_cpu_reset;
+ return 0;
+}
+
+arch_initcall(mcf_setup_reset);