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authorSascha Hauer <s.hauer@pengutronix.de>2017-06-14 09:29:53 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2017-06-14 09:29:53 +0200
commit442f6346d2c52259f618b0f7b2025ea8fb5ab336 (patch)
tree9bfbecd9f9506c2d535c0851bf809ca60d8f178c /drivers/watchdog
parent4a62a18d33e39f00d717c4aa314697dca924cf3f (diff)
parent332eedd6e75c57c3f4acea1b3045f628a7a2f349 (diff)
downloadbarebox-442f6346d2c52259f618b0f7b2025ea8fb5ab336.tar.gz
barebox-442f6346d2c52259f618b0f7b2025ea8fb5ab336.tar.xz
Merge branch 'for-next/imx'
Diffstat (limited to 'drivers/watchdog')
-rw-r--r--drivers/watchdog/imxwd.c6
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 */