ArmPlatformPkg: Use SerialDxe in MdeModulePkg instead of EmbeddedPkg

It is also to integrate PL011SerialPortExtLib to PL011SerialPortLib.

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18971 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Star Zeng 2015-11-26 08:51:05 +00:00 committed by lzeng14
parent e497d90061
commit 921e987b2b
12 changed files with 131 additions and 191 deletions

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@ -1,5 +1,6 @@
# #
# Copyright (c) 2013-2015, ARM Limited. All rights reserved. # Copyright (c) 2013-2015, ARM Limited. All rights reserved.
# Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
# #
# This program and the accompanying materials # This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License # are licensed and made available under the terms and conditions of the BSD License
@ -218,7 +219,7 @@
MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf
MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf
MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf
EmbeddedPkg/SerialDxe/SerialDxe.inf MdeModulePkg/Universal/SerialDxe/SerialDxe.inf
MdeModulePkg/Universal/Variable/RuntimeDxe/VariableRuntimeDxe.inf { MdeModulePkg/Universal/Variable/RuntimeDxe/VariableRuntimeDxe.inf {
<LibraryClasses> <LibraryClasses>

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@ -1,5 +1,6 @@
# #
# Copyright (c) 2013-2015, ARM Limited. All rights reserved. # Copyright (c) 2013-2015, ARM Limited. All rights reserved.
# Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
# #
# This program and the accompanying materials # This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License # are licensed and made available under the terms and conditions of the BSD License
@ -123,7 +124,7 @@ FvNameGuid = B73FE497-B92E-416e-8326-45AD0D270092
INF MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf INF MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf
INF MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf INF MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf
INF MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf INF MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf
INF EmbeddedPkg/SerialDxe/SerialDxe.inf INF MdeModulePkg/Universal/SerialDxe/SerialDxe.inf
INF ArmPkg/Drivers/ArmGic/ArmGicDxe.inf INF ArmPkg/Drivers/ArmGic/ArmGicDxe.inf
INF ArmPkg/Drivers/TimerDxe/TimerDxe.inf INF ArmPkg/Drivers/TimerDxe/TimerDxe.inf

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@ -1,5 +1,6 @@
# #
# Copyright (c) 2012-2015, ARM Limited. All rights reserved. # Copyright (c) 2012-2015, ARM Limited. All rights reserved.
# Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
# #
# This program and the accompanying materials # This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License # are licensed and made available under the terms and conditions of the BSD License
@ -247,7 +248,7 @@
MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf
MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf
MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf
EmbeddedPkg/SerialDxe/SerialDxe.inf MdeModulePkg/Universal/SerialDxe/SerialDxe.inf
MdeModulePkg/Universal/HiiDatabaseDxe/HiiDatabaseDxe.inf MdeModulePkg/Universal/HiiDatabaseDxe/HiiDatabaseDxe.inf

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@ -1,5 +1,6 @@
# #
# Copyright (c) 2012-2015, ARM Limited. All rights reserved. # Copyright (c) 2012-2015, ARM Limited. All rights reserved.
# Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
# #
# This program and the accompanying materials # This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License # are licensed and made available under the terms and conditions of the BSD License
@ -91,7 +92,7 @@ FvNameGuid = 73dcb643-3862-4904-9076-a94af1890243
INF MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf INF MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf
INF MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf INF MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf
INF MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf INF MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf
INF EmbeddedPkg/SerialDxe/SerialDxe.inf INF MdeModulePkg/Universal/SerialDxe/SerialDxe.inf
INF ArmPkg/Drivers/ArmGic/ArmGicDxe.inf INF ArmPkg/Drivers/ArmGic/ArmGicDxe.inf
INF ArmPkg/Drivers/TimerDxe/TimerDxe.inf INF ArmPkg/Drivers/TimerDxe/TimerDxe.inf

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@ -1,5 +1,6 @@
# #
# Copyright (c) 2011-2015, ARM Limited. All rights reserved. # Copyright (c) 2011-2015, ARM Limited. All rights reserved.
# Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
# #
# This program and the accompanying materials # This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License # are licensed and made available under the terms and conditions of the BSD License
@ -275,7 +276,7 @@
MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf
MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf
MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf
EmbeddedPkg/SerialDxe/SerialDxe.inf MdeModulePkg/Universal/SerialDxe/SerialDxe.inf
MdeModulePkg/Universal/HiiDatabaseDxe/HiiDatabaseDxe.inf MdeModulePkg/Universal/HiiDatabaseDxe/HiiDatabaseDxe.inf

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@ -1,5 +1,6 @@
# #
# Copyright (c) 2011 - 2015, ARM Limited. All rights reserved. # Copyright (c) 2011 - 2015, ARM Limited. All rights reserved.
# Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
# #
# This program and the accompanying materials # This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License # are licensed and made available under the terms and conditions of the BSD License
@ -158,7 +159,7 @@ FvNameGuid = 87940482-fc81-41c3-87e6-399cf85ac8a0
INF MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf INF MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf
INF MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf INF MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf
INF MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf INF MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf
INF EmbeddedPkg/SerialDxe/SerialDxe.inf INF MdeModulePkg/Universal/SerialDxe/SerialDxe.inf
INF ArmPkg/Drivers/ArmGic/ArmGicDxe.inf INF ArmPkg/Drivers/ArmGic/ArmGicDxe.inf
INF ArmPkg/Drivers/TimerDxe/TimerDxe.inf INF ArmPkg/Drivers/TimerDxe/TimerDxe.inf

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@ -1,5 +1,6 @@
# #
# Copyright (c) 2011-2015, ARM Limited. All rights reserved. # Copyright (c) 2011-2015, ARM Limited. All rights reserved.
# Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
# #
# This program and the accompanying materials # This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License # are licensed and made available under the terms and conditions of the BSD License
@ -259,7 +260,7 @@
MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf
MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf
MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf
EmbeddedPkg/SerialDxe/SerialDxe.inf MdeModulePkg/Universal/SerialDxe/SerialDxe.inf
MdeModulePkg/Universal/HiiDatabaseDxe/HiiDatabaseDxe.inf MdeModulePkg/Universal/HiiDatabaseDxe/HiiDatabaseDxe.inf

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@ -1,5 +1,6 @@
# #
# Copyright (c) 2011-2015, ARM Limited. All rights reserved. # Copyright (c) 2011-2015, ARM Limited. All rights reserved.
# Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
# #
# This program and the accompanying materials # This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License # are licensed and made available under the terms and conditions of the BSD License
@ -156,7 +157,7 @@ FvNameGuid = 12c68be9-0996-49d3-8c5b-4957379027ee
INF MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf INF MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf
INF MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf INF MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf
INF MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf INF MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf
INF EmbeddedPkg/SerialDxe/SerialDxe.inf INF MdeModulePkg/Universal/SerialDxe/SerialDxe.inf
INF ArmPkg/Drivers/ArmGic/ArmGicDxe.inf INF ArmPkg/Drivers/ArmGic/ArmGicDxe.inf
INF ArmPkg/Drivers/TimerDxe/TimerDxe.inf INF ArmPkg/Drivers/TimerDxe/TimerDxe.inf

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@ -95,7 +95,6 @@
# ARM PL011 UART Driver # ARM PL011 UART Driver
PL011UartLib|ArmPlatformPkg/Drivers/PL011Uart/PL011Uart.inf PL011UartLib|ArmPlatformPkg/Drivers/PL011Uart/PL011Uart.inf
SerialPortLib|ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.inf SerialPortLib|ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.inf
SerialPortExtLib|ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortExtLib.inf
# ARM SP804 Dual Timer Driver # ARM SP804 Dual Timer Driver
TimerLib|ArmPlatformPkg/Library/SP804TimerLib/SP804TimerLib.inf TimerLib|ArmPlatformPkg/Library/SP804TimerLib/SP804TimerLib.inf

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@ -1,137 +0,0 @@
/** @file
Serial I/O Port library functions with no library constructor/destructor
Copyright (c) 2012-2014, ARM Ltd. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include <Base.h>
#include <Library/IoLib.h>
#include <Library/PcdLib.h>
#include <Library/SerialPortExtLib.h>
#include <Drivers/PL011Uart.h>
/**
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 computed 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 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),
BaudRate,
ReceiveFifoDepth,
Parity,
DataBits,
StopBits);
}
/**
Assert or deassert the control signals on a serial port.
The following control signals are set according their bit settings :
. Request to Send
. Data Terminal Ready
@param[in] Control The following bits are taken into account :
. EFI_SERIAL_REQUEST_TO_SEND : assert/deassert the
"Request To Send" control signal if this bit is
equal to one/zero.
. EFI_SERIAL_DATA_TERMINAL_READY : assert/deassert
the "Data Terminal Ready" control signal if this
bit is equal to one/zero.
. EFI_SERIAL_HARDWARE_LOOPBACK_ENABLE : enable/disable
the hardware loopback if this bit is equal to
one/zero.
. EFI_SERIAL_SOFTWARE_LOOPBACK_ENABLE : not supported.
. EFI_SERIAL_HARDWARE_FLOW_CONTROL_ENABLE : enable/
disable the hardware flow control based on CTS (Clear
To Send) and RTS (Ready To Send) control signals.
@retval RETURN_SUCCESS The new control bits were set on the serial device.
@retval RETURN_UNSUPPORTED The serial device does not support this operation.
**/
RETURN_STATUS
EFIAPI
SerialPortSetControl (
IN UINT32 Control
)
{
return PL011UartSetControl ((UINTN)PcdGet64 (PcdSerialRegisterBase), Control);
}
/**
Retrieve the status of the control bits on a serial device.
@param[out] Control Status of the control bits on a serial device :
. EFI_SERIAL_DATA_CLEAR_TO_SEND, EFI_SERIAL_DATA_SET_READY,
EFI_SERIAL_RING_INDICATE, EFI_SERIAL_CARRIER_DETECT,
EFI_SERIAL_REQUEST_TO_SEND, EFI_SERIAL_DATA_TERMINAL_READY
are all related to the DTE (Data Terminal Equipment) and
DCE (Data Communication Equipment) modes of operation of
the serial device.
. EFI_SERIAL_INPUT_BUFFER_EMPTY : equal to one if the receive
buffer is empty, 0 otherwise.
. EFI_SERIAL_OUTPUT_BUFFER_EMPTY : equal to one if the transmit
buffer is empty, 0 otherwise.
. EFI_SERIAL_HARDWARE_LOOPBACK_ENABLE : equal to one if the
hardware loopback is enabled (the ouput feeds the receive
buffer), 0 otherwise.
. EFI_SERIAL_SOFTWARE_LOOPBACK_ENABLE : equal to one if a
loopback is accomplished by software, 0 otherwise.
. EFI_SERIAL_HARDWARE_FLOW_CONTROL_ENABLE : equal to one if the
hardware flow control based on CTS (Clear To Send) and RTS
(Ready To Send) control signals is enabled, 0 otherwise.
@retval RETURN_SUCCESS The control bits were read from the serial device.
**/
RETURN_STATUS
EFIAPI
SerialPortGetControl (
OUT UINT32 *Control
)
{
return PL011UartGetControl ((UINTN)PcdGet64 (PcdSerialRegisterBase), Control);
}

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@ -1,43 +0,0 @@
#/** @file
#
# Component description file for PL011SerialPortLib module
#
# Copyright (c) 2011-2012, ARM Ltd. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
#**/
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = PL011SerialPortExtLib
FILE_GUID = 2be281f1-c506-4558-bd98-d6930e6de9d6
MODULE_TYPE = BASE
VERSION_STRING = 1.0
LIBRARY_CLASS = SerialPortExtLib
[Sources.common]
PL011SerialPortExtLib.c
[LibraryClasses]
PL011UartLib
PcdLib
[Packages]
EmbeddedPkg/EmbeddedPkg.dec
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
ArmPlatformPkg/ArmPlatformPkg.dec
[Pcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterBase
gEfiMdePkgTokenSpaceGuid.PcdUartDefaultBaudRate
gEfiMdePkgTokenSpaceGuid.PcdUartDefaultDataBits
gEfiMdePkgTokenSpaceGuid.PcdUartDefaultParity
gEfiMdePkgTokenSpaceGuid.PcdUartDefaultStopBits

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@ -2,7 +2,8 @@
Serial I/O Port library functions with no library constructor/destructor Serial I/O Port library functions with no library constructor/destructor
Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR> Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>
Copyright (c) 2012 - 2013, ARM Ltd. All rights reserved.<BR> Copyright (c) 2012 - 2014, ARM Ltd. All rights reserved.<BR>
Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License are licensed and made available under the terms and conditions of the BSD License
@ -19,7 +20,6 @@
#include <Library/IoLib.h> #include <Library/IoLib.h>
#include <Library/PcdLib.h> #include <Library/PcdLib.h>
#include <Library/SerialPortLib.h> #include <Library/SerialPortLib.h>
#include <Library/SerialPortExtLib.h>
#include <Drivers/PL011Uart.h> #include <Drivers/PL011Uart.h>
@ -110,4 +110,117 @@ SerialPortPoll (
{ {
return PL011UartPoll ((UINTN)PcdGet64 (PcdSerialRegisterBase)); 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 computed 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 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),
BaudRate,
ReceiveFifoDepth,
Parity,
DataBits,
StopBits);
}
/**
Assert or deassert the control signals on a serial port.
The following control signals are set according their bit settings :
. Request to Send
. Data Terminal Ready
@param[in] Control The following bits are taken into account :
. EFI_SERIAL_REQUEST_TO_SEND : assert/deassert the
"Request To Send" control signal if this bit is
equal to one/zero.
. EFI_SERIAL_DATA_TERMINAL_READY : assert/deassert
the "Data Terminal Ready" control signal if this
bit is equal to one/zero.
. EFI_SERIAL_HARDWARE_LOOPBACK_ENABLE : enable/disable
the hardware loopback if this bit is equal to
one/zero.
. EFI_SERIAL_SOFTWARE_LOOPBACK_ENABLE : not supported.
. EFI_SERIAL_HARDWARE_FLOW_CONTROL_ENABLE : enable/
disable the hardware flow control based on CTS (Clear
To Send) and RTS (Ready To Send) control signals.
@retval RETURN_SUCCESS The new control bits were set on the serial device.
@retval RETURN_UNSUPPORTED The serial device does not support this operation.
**/
RETURN_STATUS
EFIAPI
SerialPortSetControl (
IN UINT32 Control
)
{
return PL011UartSetControl ((UINTN)PcdGet64 (PcdSerialRegisterBase), Control);
}
/**
Retrieve the status of the control bits on a serial device.
@param[out] Control Status of the control bits on a serial device :
. EFI_SERIAL_DATA_CLEAR_TO_SEND, EFI_SERIAL_DATA_SET_READY,
EFI_SERIAL_RING_INDICATE, EFI_SERIAL_CARRIER_DETECT,
EFI_SERIAL_REQUEST_TO_SEND, EFI_SERIAL_DATA_TERMINAL_READY
are all related to the DTE (Data Terminal Equipment) and
DCE (Data Communication Equipment) modes of operation of
the serial device.
. EFI_SERIAL_INPUT_BUFFER_EMPTY : equal to one if the receive
buffer is empty, 0 otherwise.
. EFI_SERIAL_OUTPUT_BUFFER_EMPTY : equal to one if the transmit
buffer is empty, 0 otherwise.
. EFI_SERIAL_HARDWARE_LOOPBACK_ENABLE : equal to one if the
hardware loopback is enabled (the output feeds the receive
buffer), 0 otherwise.
. EFI_SERIAL_SOFTWARE_LOOPBACK_ENABLE : equal to one if a
loopback is accomplished by software, 0 otherwise.
. EFI_SERIAL_HARDWARE_FLOW_CONTROL_ENABLE : equal to one if the
hardware flow control based on CTS (Clear To Send) and RTS
(Ready To Send) control signals is enabled, 0 otherwise.
@retval RETURN_SUCCESS The control bits were read from the serial device.
**/
RETURN_STATUS
EFIAPI
SerialPortGetControl (
OUT UINT32 *Control
)
{
return PL011UartGetControl ((UINTN)PcdGet64 (PcdSerialRegisterBase), Control);
}