diff --git a/ArmPlatformPkg/PrePeiCore/PrePeiCore.c b/ArmPlatformPkg/PrePeiCore/PrePeiCore.c index cbaccbbad9..5911c3a08a 100644 --- a/ArmPlatformPkg/PrePeiCore/PrePeiCore.c +++ b/ArmPlatformPkg/PrePeiCore/PrePeiCore.c @@ -76,6 +76,10 @@ PrintFirmwareVersion ( __TIME__, __DATE__ ); + + // Because we are directly bit banging the serial port instead of going through the DebugLib, we need to make sure + // the serial port is initialized before we write to it + SerialPortInitialize (); SerialPortWrite ((UINT8 *)Buffer, CharCount); } diff --git a/ArmPlatformPkg/Sec/Sec.c b/ArmPlatformPkg/Sec/Sec.c index 482e68ad42..9a700e5ef2 100644 --- a/ArmPlatformPkg/Sec/Sec.c +++ b/ArmPlatformPkg/Sec/Sec.c @@ -139,6 +139,10 @@ PrintFirmwareVersion ( __TIME__, __DATE__ ); + + // Because we are directly bit banging the serial port instead of going through the DebugLib, we need to make sure + // the serial port is initialized before we write to it + SerialPortInitialize (); SerialPortWrite ((UINT8 *)Buffer, CharCount); }