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Index: at91bootstrap-3.5.3/board/at91sam9x5ek/at91sam9x5ek.c
===================================================================
--- at91bootstrap-3.5.3.orig/board/at91sam9x5ek/at91sam9x5ek.c 2015-12-21 15:42:05.498892917 -0600
+++ at91bootstrap-3.5.3/board/at91sam9x5ek/at91sam9x5ek.c 2015-12-22 14:53:59.151521592 -0600
@@ -46,6 +46,9 @@
#include "onewire_info.h"
+#define RTC_SCCR 0x1C
+#define RTC_IDR 0x24
+
#ifdef CONFIG_USER_HW_INIT
extern void hw_init_hook(void);
#endif
@@ -207,6 +210,12 @@
#ifdef CONFIG_USER_HW_INIT
hw_init_hook();
#endif
+
+ /* disable all RTC interrupts and clear status register.
+ * Prevents possible Linux lockup due to unexpected RTC interrupt
+ */
+ writel(0xFF, RTC_IDR + AT91C_BASE_RTC);
+ writel(0xFF, RTC_SCCR + AT91C_BASE_RTC);
}
#endif /* #ifdef CONFIG_HW_INIT */
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