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arm atmel sam3: Disable watchdog timer

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Watchdog timer is enabled after the board reset. It is not used by Zephyr OS,
and having it enabled causes system resets during CPU-intensive operations.

Change-Id: If5583dbd2d2fb2206274467c523d6b5d147f1fbe
Signed-off-by: Dmitriy Korovkin <dmitriy.korovkin@windriver.com>
This commit is contained in:
Dmitriy Korovkin 2016-08-10 14:28:19 -04:00 • committed by Anas Nashif
commit 59f198d86d
1 changed files with 3 additions and 0 deletions
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3
arch/arm/soc/atmel_sam3/soc.c
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@ -187,6 +187,9 @@ static int atmel_sam3_init(struct device *arg)
/* Setup master clock */
clock_init();
/* Disable watchdog timer, not used by system */
__WDT->mr |= WDT_DISABLE;
/* Install default handler that simply resets the CPU
* if configured in the kernel, NOP otherwise
*/