diff options
Diffstat (limited to 'ArmPlatformPkg/Drivers/SP805WatchdogDxe')
| -rw-r--r-- | ArmPlatformPkg/Drivers/SP805WatchdogDxe/SP805Watchdog.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/ArmPlatformPkg/Drivers/SP805WatchdogDxe/SP805Watchdog.c b/ArmPlatformPkg/Drivers/SP805WatchdogDxe/SP805Watchdog.c index 840f8ede1f..f8faab735d 100644 --- a/ArmPlatformPkg/Drivers/SP805WatchdogDxe/SP805Watchdog.c +++ b/ArmPlatformPkg/Drivers/SP805WatchdogDxe/SP805Watchdog.c @@ -282,10 +282,10 @@ SP805SetTimerPeriod ( // // WatchdogTicks = (TimerPeriod * SP805_CLOCK_FREQUENCY) / 20 MHz ; - Ticks64bit = DivU64x32( MultU64x32( TimerPeriod, SP805_CLOCK_FREQUENCY ), 20000000 ); + Ticks64bit = DivU64x32(MultU64x32(TimerPeriod, (UINTN)PcdGet32(PcdSP805WatchdogClockFrequencyInHz)), 20000000); // The registers in the SP805 are only 32 bits - if( Ticks64bit > SP805_MAX_TICKS ) { + if(Ticks64bit > (UINT64)0xFFFFFFFF) { // We could load the watchdog with the maximum supported value but // if a smaller value was requested, this could have the watchdog // triggering before it was intended. |