X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=Omap35xxPkg%2FLibrary%2FOmap35xxTimerLib%2FTimerLib.c;h=a6f79ddd57f62ab07bf7f6059498bf2ab9355b9c;hp=652c47b6f61a8b737bf9c75feb8636bae83d8918;hb=7d976f279e49bc4897715e3c9c23781812341d51;hpb=ef1b70ff08ed956da52691f277635b3c2dc124a2

diff --git a/Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c b/Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c
index 652c47b6f6..a6f79ddd57 100644
--- a/Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c
+++ b/Omap35xxPkg/Library/Omap35xxTimerLib/TimerLib.c
@@ -131,3 +131,27 @@ GetPerformanceCounterProperties (
 
   return PcdGet64(PcdEmbeddedPerformanceCounterFrequencyInHz);
 }
+
+/**
+  Converts elapsed ticks of performance counter to time in nanoseconds.
+
+  This function converts the elapsed ticks of running performance counter to
+  time value in unit of nanoseconds.
+
+  @param  Ticks     The number of elapsed ticks of running performance counter.
+
+  @return The elapsed time in nanoseconds.
+
+**/
+UINT64
+EFIAPI
+GetTimeInNanoSecond (
+  IN      UINT64                     Ticks
+  )
+{
+  UINT32 Period;
+
+  Period = PcdGet32 (PcdEmbeddedPerformanceCounterPeriodInNanoseconds);
+
+  return (Ticks * Period);
+}