diff options
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/imxwd.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/watchdog/imxwd.c b/drivers/watchdog/imxwd.c index 0617fc6c42..bd5e518bce 100644 --- a/drivers/watchdog/imxwd.c +++ b/drivers/watchdog/imxwd.c @@ -114,6 +114,12 @@ static int imx21_watchdog_set_timeout(struct imx_wd *priv, unsigned timeout) if (priv->ext_reset) val |= IMX21_WDOG_WCR_WDT; + /* + * set time and some write once bits first prior enabling the + * watchdog according to the datasheet + */ + writew(val, priv->base + IMX21_WDOG_WCR); + writew(IMX21_WDOG_WCR_WDE | val, priv->base + IMX21_WDOG_WCR); /* Write Service Sequence */ |