diff options
Diffstat (limited to 'ArmPlatformPkg')
| -rw-r--r-- | ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.c | 83 | ||||
| -rw-r--r-- | ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.inf | 1 |
2 files changed, 83 insertions, 1 deletions
diff --git a/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.c b/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.c index 2395ffd6c8..7ccd09bd48 100644 --- a/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.c +++ b/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.c @@ -19,11 +19,12 @@ #include <Library/IoLib.h> #include <Library/PcdLib.h> #include <Library/SerialPortLib.h> +#include <Library/SerialPortExtLib.h> #include <Drivers/PL011Uart.h> -/* +/** Programmed hardware of Serial port. @@ -101,3 +102,83 @@ SerialPortPoll ( { return PL011UartPoll ((UINTN)PcdGet64 (PcdSerialRegisterBase)); } + +/** + Set new attributes to PL011. + + @param BaudRate The baud rate of the serial device. If the baud rate is not supported, + the speed will be reduced down to the nearest supported one and the + variable's value will be updated accordingly. + @param ReceiveFifoDepth The number of characters the device will buffer on input. If the specified + value is not supported, the variable's value will be reduced down to the + nearest supported one. + @param Timeout If applicable, the number of microseconds the device will wait + before timing out a Read or a Write operation. + @param Parity If applicable, this is the EFI_PARITY_TYPE that is computer or checked + as each character is transmitted or received. If the device does not + support parity, the value is the default parity value. + @param DataBits The number of data bits in each character + @param StopBits If applicable, the EFI_STOP_BITS_TYPE number of stop bits per character. + If the device does not support stop bits, the value is the default stop + bit value. + + @retval EFI_SUCCESS All attributes were set correctly on the serial device. + @retval EFI_INVALID_PARAMETERS One or more of the attributes has an unsupported value. + +**/ +RETURN_STATUS +EFIAPI +SerialPortSetAttributes ( + IN UINT64 BaudRate, + IN UINT32 ReceiveFifoDepth, + IN UINT32 Timeout, + IN EFI_PARITY_TYPE Parity, + IN UINT8 DataBits, + IN EFI_STOP_BITS_TYPE StopBits + ) +{ + return PL011UartInitializePort ( + (UINTN)PcdGet64 (PcdSerialRegisterBase), + BaudRate, + ReceiveFifoDepth, + Parity, + DataBits, + StopBits); +} + +/** + Set the serial device control bits. + + @param Control Control bits which are to be set on the serial device. + + @retval EFI_SUCCESS The new control bits were set on the serial device. + @retval EFI_UNSUPPORTED The serial device does not support this operation. + @retval EFI_DEVICE_ERROR The serial device is not functioning correctly. + +**/ +RETURN_STATUS +EFIAPI +SerialPortSetControl ( + IN UINT32 Control + ) +{ + return PL011UartSetControl((UINTN)PcdGet64 (PcdSerialRegisterBase), Control); +} + +/** + Get the serial device control bits. + + @param Control Control signals read from the serial device. + + @retval EFI_SUCCESS The control bits were read from the serial device. + @retval EFI_DEVICE_ERROR The serial device is not functioning correctly. + +**/ +RETURN_STATUS +EFIAPI +SerialPortGetControl ( + OUT UINT32 *Control + ) +{ + return PL011UartGetControl((UINTN)PcdGet64 (PcdSerialRegisterBase), Control); +} diff --git a/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.inf b/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.inf index f3c7285af5..13168dfc4c 100644 --- a/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.inf +++ b/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.inf @@ -30,6 +30,7 @@ PcdLib
[Packages]
+ EmbeddedPkg/EmbeddedPkg.dec
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
ArmPlatformPkg/ArmPlatformPkg.dec
|