On Wed, Jun 07, 2017 at 12:45:42PM +0200, Juergen Borleis wrote: > From earlier SoCs like the i.MX21 up to i.MX7 their datasheets states > after reset the watchdog timer has to be set first prior enabling the > watchdog itself. This change do it this way. > > Signed-off-by: Juergen Borleis <jbe@xxxxxxxxxxxxxx> > --- > drivers/watchdog/imxwd.c | 6 ++++++ > 1 file changed, 6 insertions(+) Applied, thanks Sascha > > diff --git a/drivers/watchdog/imxwd.c b/drivers/watchdog/imxwd.c > index b920c7234..5cc178f3e 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 */ > -- > 2.11.0 > > > _______________________________________________ > barebox mailing list > barebox@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/barebox > -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
