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Add description for 64-byte FIFO enable bit for PcdSerialFifoControl.

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Update SerialPortInitializer() to properly preserve BIT5 in FCR instead of BIT4.


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11404 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
mdkinney
2011-03-16 02:58:51 +00:00
parent 831ff057d7
commit acaa2726fb
2 changed files with 4 additions and 2 deletions
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2
MdeModulePkg/Library/BaseSerialPortLib16550/BaseSerialPortLib16550.c
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@@ -158,7 +158,7 @@ SerialPortInitialize (
// Enable and reset FIFOs
// Strip reserved bits from PcdSerialFifoControl
//
SerialPortWriteRegister (R_UART_FCR, (UINT8)(PcdGet8 (PcdSerialFifoControl) & 0x17));
SerialPortWriteRegister (R_UART_FCR, (UINT8)(PcdGet8 (PcdSerialFifoControl) & 0x27));
//
// Put Modem Control Register(MCR) into its reset state of 0x00.