PL011SerialPortLib.c

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#include <Base.h>
 
#include <Library/IoLib.h>
#include <Library/PcdLib.h>
#include <Library/PL011UartClockLib.h>
#include <Library/PL011UartLib.h>
#include <Library/SerialPortLib.h>
 
RETURN_STATUS
EFIAPI
SerialPortInitialize (
  VOID
  )
{
  UINT64              BaudRate;
  UINT32              ReceiveFifoDepth;
  EFI_PARITY_TYPE     Parity;
  UINT8               DataBits;
  EFI_STOP_BITS_TYPE  StopBits;
 
  BaudRate         = FixedPcdGet64 (PcdUartDefaultBaudRate);
  ReceiveFifoDepth = 0;         // Use default FIFO depth
  Parity           = (EFI_PARITY_TYPE)FixedPcdGet8 (PcdUartDefaultParity);
  DataBits         = FixedPcdGet8 (PcdUartDefaultDataBits);
  StopBits         = (EFI_STOP_BITS_TYPE)FixedPcdGet8 (PcdUartDefaultStopBits);
 
  return PL011UartInitializePort (
           (UINTN)PcdGet64 (PcdSerialRegisterBase),
           PL011UartClockGetFreq (),
           &BaudRate,
           &ReceiveFifoDepth,
           &Parity,
           &DataBits,
           &StopBits
           );
}
 
UINTN
EFIAPI
SerialPortWrite (
  IN UINT8  *Buffer,
  IN UINTN  NumberOfBytes
  )
{
  return PL011UartWrite ((UINTN)PcdGet64 (PcdSerialRegisterBase), Buffer, NumberOfBytes);
}
 
UINTN
EFIAPI
SerialPortRead (
  OUT UINT8  *Buffer,
  IN  UINTN  NumberOfBytes
  )
{
  return PL011UartRead ((UINTN)PcdGet64 (PcdSerialRegisterBase), Buffer, NumberOfBytes);
}
 
BOOLEAN
EFIAPI
SerialPortPoll (
  VOID
  )
{
  return PL011UartPoll ((UINTN)PcdGet64 (PcdSerialRegisterBase));
}
 
RETURN_STATUS
EFIAPI
SerialPortSetAttributes (
  IN OUT UINT64              *BaudRate,
  IN OUT UINT32              *ReceiveFifoDepth,
  IN OUT UINT32              *Timeout,
  IN OUT EFI_PARITY_TYPE     *Parity,
  IN OUT UINT8               *DataBits,
  IN OUT EFI_STOP_BITS_TYPE  *StopBits
  )
{
  return PL011UartInitializePort (
           (UINTN)PcdGet64 (PcdSerialRegisterBase),
           PL011UartClockGetFreq (),
           BaudRate,
           ReceiveFifoDepth,
           Parity,
           DataBits,
           StopBits
           );
}
 
RETURN_STATUS
EFIAPI
SerialPortSetControl (
  IN UINT32  Control
  )
{
  return PL011UartSetControl ((UINTN)PcdGet64 (PcdSerialRegisterBase), Control);
}
 
RETURN_STATUS
EFIAPI
SerialPortGetControl (
  OUT UINT32  *Control
  )
{
  return PL011UartGetControl ((UINTN)PcdGet64 (PcdSerialRegisterBase), Control);
}