diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/watchdog/ast_wdt.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/watchdog/ast_wdt.c b/drivers/watchdog/ast_wdt.c index 523484b1ff..d344d54aee 100644 --- a/drivers/watchdog/ast_wdt.c +++ b/drivers/watchdog/ast_wdt.c @@ -23,6 +23,12 @@ static int ast_wdt_start(struct udevice *dev, u64 timeout, ulong flags) ulong driver_data = dev_get_driver_data(dev); u32 reset_mode = ast_reset_mode_from_flags(flags); + /* 32 bits at 1MHz is 4294967ms */ + timeout = min_t(u64, timeout, 4294967); + + /* WDT counts in ticks of 1MHz clock. 1ms / 1e3 * 1e6 */ + timeout *= 1000; + clrsetbits_le32(&priv->regs->ctrl, WDT_CTRL_RESET_MASK << WDT_CTRL_RESET_MODE_SHIFT, reset_mode << WDT_CTRL_RESET_MODE_SHIFT); |