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authorpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2010-10-31 18:03:48 +0000
committerpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2010-10-31 18:03:48 +0000
commitfc3b607dbf64112c22e64a6230c0c8043f7031f1 (patch)
tree6974675e2ce0c703e669f758a9b23fe12c26cbbf /nuttx/arch/avr/src/at32uc3
parentd4f68df6c899491fe189a1761cb247cbcc3b45da (diff)
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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3067 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/avr/src/at32uc3')
-rw-r--r--nuttx/arch/avr/src/at32uc3/at32uc3_timerisr.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/nuttx/arch/avr/src/at32uc3/at32uc3_timerisr.c b/nuttx/arch/avr/src/at32uc3/at32uc3_timerisr.c
index f8738d39e..9e1b2747b 100644
--- a/nuttx/arch/avr/src/at32uc3/at32uc3_timerisr.c
+++ b/nuttx/arch/avr/src/at32uc3/at32uc3_timerisr.c
@@ -48,6 +48,7 @@
#include "chip.h"
#include "at32uc3_internal.h"
+#include "at32uc3_pm.h"
#include "at32uc3_rtc.h"
/****************************************************************************
@@ -160,6 +161,18 @@ int up_timerisr(int irq, uint32_t *regs)
void up_timerinit(void)
{
uint32_t regval;
+
+ /* Enable clocking: "The clock for the RTC bus interface (CLK_RTC) is generated
+ * by the Power Manager. This clock is enabled at reset, and can be disabled
+ * in the Power Manager. It is recommended to disable the RTC before disabling
+ * the clock, to avoid freezing the RTC in an undefined state.
+ */
+
+#if 0
+ regval = getreg32(AVR32_PM_PBAMASK);
+ regval |= PM_PBAMASK_PMRTCEIC;
+ putreg32(regval, AVR32_PM_PBAMASK);
+#endif
/* Configure the RTC. Source == 32KHz OSC32 */