diff options
Diffstat (limited to 'drivers/watchdog/ftwdt010_wdt.c')
| -rw-r--r-- | drivers/watchdog/ftwdt010_wdt.c | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/drivers/watchdog/ftwdt010_wdt.c b/drivers/watchdog/ftwdt010_wdt.c index a6b33b1720..1f5f301b12 100644 --- a/drivers/watchdog/ftwdt010_wdt.c +++ b/drivers/watchdog/ftwdt010_wdt.c @@ -25,8 +25,27 @@ struct ftwdt010_wdt_priv { struct ftwdt010_wdt __iomem *regs; }; +static int ftwdt010_wdt_reset(struct udevice *dev) +{ + struct ftwdt010_wdt_priv *priv = dev_get_priv(dev); + struct ftwdt010_wdt *wd = priv->regs; + + debug("Reset WDT..\n"); + + /* clear control register */ + writel(0, &wd->wdcr); + + /* Write Magic number */ + writel(FTWDT010_WDRESTART_MAGIC, &wd->wdrestart); + + /* Enable WDT */ + writel(FTWDT010_WDCR_RST | FTWDT010_WDCR_ENABLE, &wd->wdcr); + + return 0; +} + /* - * Set the watchdog time interval. + * Set the watchdog time interval and start the timer. * Counter is 32 bit. */ static int ftwdt010_wdt_start(struct udevice *dev, u64 timeout_ms, ulong flags) @@ -52,24 +71,7 @@ static int ftwdt010_wdt_start(struct udevice *dev, u64 timeout_ms, ulong flags) writel(reg, &wd->wdload); - return 0; -} - -static int ftwdt010_wdt_reset(struct udevice *dev) -{ - struct ftwdt010_wdt_priv *priv = dev_get_priv(dev); - struct ftwdt010_wdt *wd = priv->regs; - - /* clear control register */ - writel(0, &wd->wdcr); - - /* Write Magic number */ - writel(FTWDT010_WDRESTART_MAGIC, &wd->wdrestart); - - /* Enable WDT */ - writel((FTWDT010_WDCR_RST | FTWDT010_WDCR_ENABLE), &wd->wdcr); - - return 0; + return ftwdt010_wdt_reset(dev); } static int ftwdt010_wdt_stop(struct udevice *dev) |