ArmPlatformPkg: Use SerialDxe in MdeModulePkg instead of EmbeddedPkg

It is also to integrate PL011SerialPortExtLib to PL011SerialPortLib.

(Sync patch r18971 from main trunk.)

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/branches/UDK2015@19021 6f19259b-4bc3-4df7-8a09-765794883524

12 files changed, 131 insertions, 191 deletions

diff --git a/ArmPlatformPkg/ArmJunoPkg/ArmJuno.dsc b/ArmPlatformPkg/ArmJunoPkg/ArmJuno.dsc
index f5af4267fe..ba838c7063 100644
--- a/ArmPlatformPkg/ArmJunoPkg/ArmJuno.dsc
+++ b/ArmPlatformPkg/ArmJunoPkg/ArmJuno.dsc
@@ -1,5 +1,6 @@
 #

 #  Copyright (c) 2013-2015, ARM Limited. All rights reserved.

+#  Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>

 #

 #  This program and the accompanying materials

 #  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/GraphicsConsoleDxe/GraphicsConsoleDxe.inf

   MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf

-  EmbeddedPkg/SerialDxe/SerialDxe.inf

+  MdeModulePkg/Universal/SerialDxe/SerialDxe.inf

 

   MdeModulePkg/Universal/Variable/RuntimeDxe/VariableRuntimeDxe.inf {

     <LibraryClasses>

diff --git a/ArmPlatformPkg/ArmJunoPkg/ArmJuno.fdf b/ArmPlatformPkg/ArmJunoPkg/ArmJuno.fdf
index c8f5831093..51b1180e7a 100644
--- a/ArmPlatformPkg/ArmJunoPkg/ArmJuno.fdf
+++ b/ArmPlatformPkg/ArmJunoPkg/ArmJuno.fdf
@@ -1,5 +1,6 @@
 #

 #  Copyright (c) 2013-2015, ARM Limited. All rights reserved.

+#  Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>

 #

 #  This program and the accompanying materials

 #  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/GraphicsConsoleDxe/GraphicsConsoleDxe.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/TimerDxe/TimerDxe.inf

diff --git a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-CTA15-A7.dsc b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-CTA15-A7.dsc
index c76d729a0d..5503bbc300 100644
--- a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-CTA15-A7.dsc
+++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-CTA15-A7.dsc
@@ -1,5 +1,6 @@
 #

 #  Copyright (c) 2012-2015, ARM Limited. All rights reserved.

+#  Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>

 #

 #  This program and the accompanying materials

 #  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/GraphicsConsoleDxe/GraphicsConsoleDxe.inf

   MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf

-  EmbeddedPkg/SerialDxe/SerialDxe.inf

+  MdeModulePkg/Universal/SerialDxe/SerialDxe.inf

 

   MdeModulePkg/Universal/HiiDatabaseDxe/HiiDatabaseDxe.inf

 

diff --git a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-CTA15-A7.fdf b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-CTA15-A7.fdf
index 576b3408e0..5f4f5aaf49 100644
--- a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-CTA15-A7.fdf
+++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-CTA15-A7.fdf
@@ -1,5 +1,6 @@
 #

 #  Copyright (c) 2012-2015, ARM Limited. All rights reserved.

+#  Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>

 #

 #  This program and the accompanying materials

 #  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/GraphicsConsoleDxe/GraphicsConsoleDxe.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/TimerDxe/TimerDxe.inf

diff --git a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-FVP-AArch64.dsc b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-FVP-AArch64.dsc
index 3f363064b2..5751167549 100644
--- a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-FVP-AArch64.dsc
+++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-FVP-AArch64.dsc
@@ -1,5 +1,6 @@
 #

 #  Copyright (c) 2011-2015, ARM Limited. All rights reserved.

+#  Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>

 #

 #  This program and the accompanying materials

 #  are licensed and made available under the terms and conditions of the BSD License

@@ -267,7 +268,7 @@
   MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf

   MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.inf

   MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf

-  EmbeddedPkg/SerialDxe/SerialDxe.inf

+  MdeModulePkg/Universal/SerialDxe/SerialDxe.inf

 

   MdeModulePkg/Universal/HiiDatabaseDxe/HiiDatabaseDxe.inf

 

diff --git a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-FVP-AArch64.fdf b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-FVP-AArch64.fdf
index 1d92d6f348..d527da0738 100644
--- a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-FVP-AArch64.fdf
+++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-FVP-AArch64.fdf
@@ -1,5 +1,6 @@
 #

 #  Copyright (c) 2011 - 2015, ARM Limited. All rights reserved.

+#  Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>

 #

 #  This program and the accompanying materials

 #  are licensed and made available under the terms and conditions of the BSD License

@@ -155,7 +156,7 @@ FvNameGuid         = 87940482-fc81-41c3-87e6-399cf85ac8a0
   INF MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf

   INF MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsoleDxe.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/TimerDxe/TimerDxe.inf

diff --git a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-RTSM-A15_MPCore.dsc b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-RTSM-A15_MPCore.dsc
index 72103e2656..a8e326902e 100644
--- a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-RTSM-A15_MPCore.dsc
+++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-RTSM-A15_MPCore.dsc
@@ -1,5 +1,6 @@
 #

 #  Copyright (c) 2011-2015, ARM Limited. All rights reserved.

+#  Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>

 #

 #  This program and the accompanying materials

 #  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/GraphicsConsoleDxe/GraphicsConsoleDxe.inf

   MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf

-  EmbeddedPkg/SerialDxe/SerialDxe.inf

+  MdeModulePkg/Universal/SerialDxe/SerialDxe.inf

 

   MdeModulePkg/Universal/HiiDatabaseDxe/HiiDatabaseDxe.inf

 

diff --git a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-RTSM-A15_MPCore.fdf b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-RTSM-A15_MPCore.fdf
index b65dd9d533..ee50af2115 100644
--- a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-RTSM-A15_MPCore.fdf
+++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress-RTSM-A15_MPCore.fdf
@@ -1,5 +1,6 @@
 #

 #  Copyright (c) 2011-2015, ARM Limited. All rights reserved.

+#  Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>

 #

 #  This program and the accompanying materials

 #  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/GraphicsConsoleDxe/GraphicsConsoleDxe.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/TimerDxe/TimerDxe.inf

diff --git a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress.dsc.inc b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress.dsc.inc
index dc69bbbf74..05cf0badf7 100644
--- a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress.dsc.inc
+++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress.dsc.inc
@@ -90,7 +90,6 @@
   # ARM PL011 UART Driver

   PL011UartLib|ArmPlatformPkg/Drivers/PL011Uart/PL011Uart.inf

   SerialPortLib|ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.inf

-  SerialPortExtLib|ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortExtLib.inf

   # ARM SP804 Dual Timer Driver

   TimerLib|ArmPlatformPkg/Library/SP804TimerLib/SP804TimerLib.inf

 

diff --git a/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortExtLib.c b/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortExtLib.c
deleted file mode 100644
index 44fe78f4f4..0000000000
--- a/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortExtLib.c
+++ /dev/null
@@ -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);

-}

diff --git a/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortExtLib.inf b/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortExtLib.inf
deleted file mode 100644
index 723cc97d1b..0000000000
--- a/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortExtLib.inf
+++ /dev/null
@@ -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

diff --git a/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.c b/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.c
index d4f7fc96f6..7497b5eb7f 100644
--- a/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.c
+++ b/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.c
@@ -2,7 +2,8 @@
   Serial I/O Port library functions with no library constructor/destructor

 

   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

   are licensed and made available under the terms and conditions of the BSD License

@@ -19,7 +20,6 @@
 #include <Library/IoLib.h>

 #include <Library/PcdLib.h>

 #include <Library/SerialPortLib.h>

-#include <Library/SerialPortExtLib.h>

 

 #include <Drivers/PL011Uart.h>

 

@@ -110,4 +110,117 @@ 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 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);

+}