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Diffstat (limited to 'arch/m68k/platform/coldfire/reset.c')
-rw-r--r--arch/m68k/platform/coldfire/reset.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/arch/m68k/platform/coldfire/reset.c b/arch/m68k/platform/coldfire/reset.c
index 5ed78d3546d2..933e54eacc69 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)
{