diff options
Diffstat (limited to 'drivers/watchdog/wdt-uclass.c')
| -rw-r--r-- | drivers/watchdog/wdt-uclass.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/watchdog/wdt-uclass.c b/drivers/watchdog/wdt-uclass.c index d9e4dc7cb8..c96a596f08 100644 --- a/drivers/watchdog/wdt-uclass.c +++ b/drivers/watchdog/wdt-uclass.c @@ -14,6 +14,39 @@ DECLARE_GLOBAL_DATA_PTR; +#define WATCHDOG_TIMEOUT_SECS (CONFIG_WATCHDOG_TIMEOUT_MSECS / 1000) + +int initr_watchdog(void) +{ + u32 timeout = WATCHDOG_TIMEOUT_SECS; + + /* + * Init watchdog: This will call the probe function of the + * watchdog driver, enabling the use of the device + */ + if (uclass_get_device_by_seq(UCLASS_WDT, 0, + (struct udevice **)&gd->watchdog_dev)) { + debug("WDT: Not found by seq!\n"); + if (uclass_get_device(UCLASS_WDT, 0, + (struct udevice **)&gd->watchdog_dev)) { + printf("WDT: Not found!\n"); + return 0; + } + } + + if (CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)) { + timeout = dev_read_u32_default(gd->watchdog_dev, "timeout-sec", + WATCHDOG_TIMEOUT_SECS); + } + + wdt_start(gd->watchdog_dev, timeout * 1000, 0); + gd->flags |= GD_FLG_WDT_READY; + printf("WDT: Started with%s servicing (%ds timeout)\n", + IS_ENABLED(CONFIG_WATCHDOG) ? "" : "out", timeout); + + return 0; +} + int wdt_start(struct udevice *dev, u64 timeout_ms, ulong flags) { const struct wdt_ops *ops = device_get_ops(dev); |