added help text for PcdPlatformBusSpeed

[mirror_edk2.git] / MdePkg / Library / BaseTimerLibLocalApic / BaseTimerLibLocalApic.msa

diff --git a/MdePkg/Library/BaseTimerLibLocalApic/BaseTimerLibLocalApic.msa b/MdePkg/Library/BaseTimerLibLocalApic/BaseTimerLibLocalApic.msa
index f1d22f260333d5e3e2649aaf26393f3a1317bd08..2b34af396b9bf9c19d60ff30e804c5bbd2936596 100644 (file)
--- a/MdePkg/Library/BaseTimerLibLocalApic/BaseTimerLibLocalApic.msa
+++ b/MdePkg/Library/BaseTimerLibLocalApic/BaseTimerLibLocalApic.msa
@@ -56,7 +56,7 @@
     <PcdEntry PcdItemType="FIXED_AT_BUILD" Usage="ALWAYS_CONSUMED">\r
       <C_Name>PcdPlatformBusSpeed</C_Name>\r
       <TokenSpaceGuidCName>gEfiMdePkgTokenSpaceGuid</TokenSpaceGuidCName>\r
-      <HelpText>This value is the Bus Speed on platform</HelpText>\r
+      <HelpText>Bus speed on the platform, its unit is Hz.  its default value is 200000000, that means bus speed is 200Mhz.</HelpText>\r
     </PcdEntry>\r
   </PcdCoded>\r
 </ModuleSurfaceArea>
\ No newline at end of file