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authorGreg Ungerer <gerg@uclinux.org>2012-02-19 16:47:24 +1000
committerGreg Ungerer <gerg@uclinux.org>2012-03-05 10:42:28 +1000
commitae909ea4ad2431e085e6cc96446fbc1c1ae88498 (patch)
tree6f2d26d23d5a66f89cfdc864afe31ead880a6ae0 /arch/m68k
parent645e5333ec9088da08a1db619561de9c93c70634 (diff)
downloadop-kernel-dev-ae909ea4ad2431e085e6cc96446fbc1c1ae88498.zip
op-kernel-dev-ae909ea4ad2431e085e6cc96446fbc1c1ae88498.tar.gz
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>
Diffstat (limited to 'arch/m68k')
-rw-r--r--arch/m68k/platform/520x/config.c9
-rw-r--r--arch/m68k/platform/523x/config.c9
-rw-r--r--arch/m68k/platform/527x/config.c9
-rw-r--r--arch/m68k/platform/528x/config.c9
-rw-r--r--arch/m68k/platform/532x/config.c9
-rw-r--r--arch/m68k/platform/coldfire/Makefile10
-rw-r--r--arch/m68k/platform/coldfire/reset.c19
7 files changed, 23 insertions, 51 deletions
diff --git a/arch/m68k/platform/520x/config.c b/arch/m68k/platform/520x/config.c
index 6c318dbe..23594784 100644
--- a/arch/m68k/platform/520x/config.c
+++ b/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();
diff --git a/arch/m68k/platform/523x/config.c b/arch/m68k/platform/523x/config.c
index 88de213..c8b405d 100644
--- a/arch/m68k/platform/523x/config.c
+++ b/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
diff --git a/arch/m68k/platform/527x/config.c b/arch/m68k/platform/527x/config.c
index 3865505..7ed848c 100644
--- a/arch/m68k/platform/527x/config.c
+++ b/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();
diff --git a/arch/m68k/platform/528x/config.c b/arch/m68k/platform/528x/config.c
index d203b1b..d449292 100644
--- a/arch/m68k/platform/528x/config.c
+++ b/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();
diff --git a/arch/m68k/platform/532x/config.c b/arch/m68k/platform/532x/config.c
index 56b21fd..2bec347 100644
--- a/arch/m68k/platform/532x/config.c
+++ b/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
diff --git a/arch/m68k/platform/coldfire/Makefile b/arch/m68k/platform/coldfire/Makefile
index bccab93..a0815c6 100644
--- a/arch/m68k/platform/coldfire/Makefile
+++ b/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
diff --git a/arch/m68k/platform/coldfire/reset.c b/arch/m68k/platform/coldfire/reset.c
index 5ed78d3..933e54e 100644
--- a/arch/m68k/platform/coldfire/reset.c
+++ b/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)
{
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