+/**\r
+ Set new attributes to PL011.\r
+\r
+ @param BaudRate The baud rate of the serial device. If the\r
+ baud rate is not supported, the speed will\r
+ be reduced down to the nearest supported one\r
+ and the variable's value will be updated\r
+ accordingly.\r
+ @param ReceiveFifoDepth The number of characters the device will\r
+ buffer on input. If the specified value is\r
+ not supported, the variable's value will\r
+ be reduced down to the nearest supported one.\r
+ @param Timeout If applicable, the number of microseconds the\r
+ device will wait before timing out a Read or\r
+ a Write operation.\r
+ @param Parity If applicable, this is the EFI_PARITY_TYPE\r
+ that is computed or checked as each character\r
+ is transmitted or received. If the device\r
+ does not support parity, the value is the\r
+ default parity value.\r
+ @param DataBits The number of data bits in each character\r
+ @param StopBits If applicable, the EFI_STOP_BITS_TYPE number\r
+ of stop bits per character. If the device\r
+ does not support stop bits, the value is the\r
+ default stop bit value.\r
+\r
+ @retval EFI_SUCCESS All attributes were set correctly.\r
+ @retval EFI_INVALID_PARAMETERS One or more attributes has an unsupported\r
+ value.\r
+\r
+**/\r
+RETURN_STATUS\r
+EFIAPI\r
+SerialPortSetAttributes (\r
+ IN OUT UINT64 *BaudRate,\r
+ IN OUT UINT32 *ReceiveFifoDepth,\r
+ IN OUT UINT32 *Timeout,\r
+ IN OUT EFI_PARITY_TYPE *Parity,\r
+ IN OUT UINT8 *DataBits,\r
+ IN OUT EFI_STOP_BITS_TYPE *StopBits\r
+ )\r
+{\r
+ return PL011UartInitializePort (\r
+ (UINTN)PcdGet64 (PcdSerialRegisterBase),\r
+ PL011UartClockGetFreq(),\r
+ BaudRate,\r
+ ReceiveFifoDepth,\r
+ Parity,\r
+ DataBits,\r
+ StopBits\r
+ );\r
+}\r
+\r
+/**\r
+\r
+ Assert or deassert the control signals on a serial port.\r
+ The following control signals are set according their bit settings :\r
+ . Request to Send\r
+ . Data Terminal Ready\r
+\r
+ @param[in] Control The following bits are taken into account :\r
+ . EFI_SERIAL_REQUEST_TO_SEND : assert/deassert the\r
+ "Request To Send" control signal if this bit is\r
+ equal to one/zero.\r
+ . EFI_SERIAL_DATA_TERMINAL_READY : assert/deassert\r
+ the "Data Terminal Ready" control signal if this\r
+ bit is equal to one/zero.\r
+ . EFI_SERIAL_HARDWARE_LOOPBACK_ENABLE : enable/disable\r
+ the hardware loopback if this bit is equal to\r
+ one/zero.\r
+ . EFI_SERIAL_SOFTWARE_LOOPBACK_ENABLE : not supported.\r
+ . EFI_SERIAL_HARDWARE_FLOW_CONTROL_ENABLE : enable/\r
+ disable the hardware flow control based on CTS (Clear\r
+ To Send) and RTS (Ready To Send) control signals.\r
+\r
+ @retval RETURN_SUCCESS The new control bits were set on the device.\r
+ @retval RETURN_UNSUPPORTED The device does not support this operation.\r
+\r
+**/\r
+RETURN_STATUS\r
+EFIAPI\r
+SerialPortSetControl (\r
+ IN UINT32 Control\r
+ )\r
+{\r
+ return PL011UartSetControl ((UINTN)PcdGet64 (PcdSerialRegisterBase), Control);\r
+}\r