gEfiMdeModulePkgTokenSpaceGuid.PcdSerialFifoControl

FIFO Control Register (FCR) for the 16550 serial port.


BIT0 - FIFO Enable. 0 = Disable FIFOs. 1 = Enable FIFOs.

BIT1 - Clear receive FIFO. 1 = Clear FIFO.

BIT2 - Clear transmit FIFO. 1 = Clear FIFO.

BIT4..BIT3 - Reserved. Must be 0.

BIT5 - Enable 64-byte FIFO. 0 = Disable 64-byte FIFO. 1 = Enable 64-byte FIFO<BR>
BIT7..BIT6 - Reserved. Must be 0.

Default is to enable and clear all FIFOs.

Serial port FIFO Control settings.
0x80000002 | (gEfiMdeModulePkgTokenSpaceGuid.PcdSerialFifoControl & 0xD8) == 0

PCD Information

Name	Token Space	Token number	Data Type	Default Value
PcdSerialFifoControl	gEfiMdeModulePkgTokenSpaceGuid	0x00020005	UINT8	0x07