From 921e987b2b26602dc85eaee856d494b97b6e02b0 Mon Sep 17 00:00:00 2001 From: Star Zeng Date: Thu, 26 Nov 2015 08:51:05 +0000 Subject: [PATCH] ArmPlatformPkg: Use SerialDxe in MdeModulePkg instead of EmbeddedPkg It is also to integrate PL011SerialPortExtLib to PL011SerialPortLib. Cc: Michael D Kinney Cc: Liming Gao Cc: Leif Lindholm Cc: Ard Biesheuvel Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Star Zeng Reviewed-by: Ard Biesheuvel git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18971 6f19259b-4bc3-4df7-8a09-765794883524 --- ArmPlatformPkg/ArmJunoPkg/ArmJuno.dsc | 3 +- ArmPlatformPkg/ArmJunoPkg/ArmJuno.fdf | 3 +- .../ArmVExpressPkg/ArmVExpress-CTA15-A7.dsc | 3 +- .../ArmVExpressPkg/ArmVExpress-CTA15-A7.fdf | 3 +- .../ArmVExpress-FVP-AArch64.dsc | 3 +- .../ArmVExpress-FVP-AArch64.fdf | 3 +- .../ArmVExpress-RTSM-A15_MPCore.dsc | 3 +- .../ArmVExpress-RTSM-A15_MPCore.fdf | 3 +- .../ArmVExpressPkg/ArmVExpress.dsc.inc | 1 - .../PL011SerialPortExtLib.c | 137 ------------------ .../PL011SerialPortExtLib.inf | 43 ------ .../PL011SerialPortLib/PL011SerialPortLib.c | 117 ++++++++++++++- 12 files changed, 131 insertions(+), 191 deletions(-) delete mode 100644 ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortExtLib.c delete mode 100644 ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortExtLib.inf 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.
# # 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 { 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.
# # 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.
# # 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.
# # 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 ec29e65e3d..74fac1642d 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.
# # This program and the accompanying materials # 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/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 9b54e39674..53837d4a72 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.
# # This program and the accompanying materials # 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/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.
# # 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.
# # 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 4fce05b1bf..ced1985314 100644 --- a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress.dsc.inc +++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress.dsc.inc @@ -95,7 +95,6 @@ # 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.
- - 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 - -#include -#include -#include - -#include - -/** - 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.
-# -# 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.
- Copyright (c) 2012 - 2013, ARM Ltd. All rights reserved.
+ Copyright (c) 2012 - 2014, ARM Ltd. All rights reserved.
+ Copyright (c) 2015, Intel Corporation. All rights reserved.
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 #include #include -#include #include @@ -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); +} -- 2.39.2