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-rw-r--r--ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.c83
-rw-r--r--ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.inf1
-rw-r--r--EmbeddedPkg/Include/Library/SerialPortExtLib.h66
-rw-r--r--EmbeddedPkg/Library/TemplateSerialPortLib/TemplateSerialPortLib.c67
-rw-r--r--EmbeddedPkg/SerialDxe/SerialDxe.inf7
-rw-r--r--EmbeddedPkg/SerialDxe/SerialIo.c182
-rw-r--r--Omap35xxPkg/Library/SerialPortLib/SerialPortLib.c55
-rw-r--r--Omap35xxPkg/Library/SerialPortLib/SerialPortLib.inf1
8 files changed, 412 insertions, 50 deletions
diff --git a/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.c b/ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.c
index 2395ffd6c..7ccd09bd4 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 f3c7285af..13168dfc4 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
diff --git a/EmbeddedPkg/Include/Library/SerialPortExtLib.h b/EmbeddedPkg/Include/Library/SerialPortExtLib.h
new file mode 100644
index 000000000..74f5e4c58
--- /dev/null
+++ b/EmbeddedPkg/Include/Library/SerialPortExtLib.h
@@ -0,0 +1,66 @@
+/** @file
+
+ Copyright (c) 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.
+
+**/
+
+#ifndef __SERIAL_PORT_EXT_LIB_H__
+#define __SERIAL_PORT_EXT_LIB_H__
+
+#include <Uefi/UefiBaseType.h>
+#include <Protocol/SerialIo.h>
+
+/**
+ Set the serial device control bits.
+
+ @return Always return EFI_UNSUPPORTED.
+
+**/
+RETURN_STATUS
+EFIAPI
+SerialPortSetControl (
+ IN UINT32 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
+ );
+
+/**
+ Set the serial device attributes.
+
+ @return Always return EFI_UNSUPPORTED.
+
+**/
+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
+ );
+
+#endif
+
diff --git a/EmbeddedPkg/Library/TemplateSerialPortLib/TemplateSerialPortLib.c b/EmbeddedPkg/Library/TemplateSerialPortLib/TemplateSerialPortLib.c
index 9cc2b79a8..0110189ab 100644
--- a/EmbeddedPkg/Library/TemplateSerialPortLib/TemplateSerialPortLib.c
+++ b/EmbeddedPkg/Library/TemplateSerialPortLib/TemplateSerialPortLib.c
@@ -2,6 +2,7 @@
Serial I/O Port library functions with no library constructor/destructor
Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+ Copyright (c) 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
@@ -17,8 +18,9 @@
#include <Library/SerialPortLib.h>
+#include <Library/SerialPortExtLib.h>
-/*
+/**
Programmed hardware of Serial port.
@@ -35,6 +37,65 @@ SerialPortInitialize (
}
/**
+ Set the serial device control bits.
+
+ @return Always return EFI_UNSUPPORTED.
+
+**/
+RETURN_STATUS
+EFIAPI
+SerialPortSetControl (
+ IN UINT32 Control
+ )
+{
+ return RETURN_UNSUPPORTED;
+}
+
+/**
+ 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
+ )
+{
+ if (SerialPortPoll ()) {
+ // If a character is pending don't set EFI_SERIAL_INPUT_BUFFER_EMPTY
+ *Control = EFI_SERIAL_OUTPUT_BUFFER_EMPTY;
+ } else {
+ *Control = EFI_SERIAL_INPUT_BUFFER_EMPTY | EFI_SERIAL_OUTPUT_BUFFER_EMPTY;
+ }
+ return EFI_SUCCESS;
+}
+
+/**
+ Set the serial device attributes.
+
+ @return Always return EFI_UNSUPPORTED.
+
+**/
+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 RETURN_UNSUPPORTED;
+}
+
+/**
Write data to serial device.
@param Buffer Point of data buffer which need to be written.
@@ -49,7 +110,7 @@ EFIAPI
SerialPortWrite (
IN UINT8 *Buffer,
IN UINTN NumberOfBytes
-)
+ )
{
return 0;
}
@@ -70,7 +131,7 @@ EFIAPI
SerialPortRead (
OUT UINT8 *Buffer,
IN UINTN NumberOfBytes
-)
+ )
{
return 0;
}
diff --git a/EmbeddedPkg/SerialDxe/SerialDxe.inf b/EmbeddedPkg/SerialDxe/SerialDxe.inf
index e0aa57d31..37e8e0e00 100644
--- a/EmbeddedPkg/SerialDxe/SerialDxe.inf
+++ b/EmbeddedPkg/SerialDxe/SerialDxe.inf
@@ -22,13 +22,12 @@
ENTRY_POINT = SerialDxeInitialize
-
[Sources.common]
SerialIo.c
-
[Packages]
MdePkg/MdePkg.dec
+ EmbeddedPkg/EmbeddedPkg.dec
[LibraryClasses]
BaseLib
@@ -41,9 +40,6 @@
UefiDriverEntryPoint
SerialPortLib
-[Guids]
-
-
[Protocols]
gEfiSerialIoProtocolGuid
gEfiDevicePathProtocolGuid
@@ -54,6 +50,5 @@
gEfiMdePkgTokenSpaceGuid.PcdUartDefaultParity
gEfiMdePkgTokenSpaceGuid.PcdUartDefaultStopBits
-
[Depex]
TRUE
diff --git a/EmbeddedPkg/SerialDxe/SerialIo.c b/EmbeddedPkg/SerialDxe/SerialIo.c
index ef4e6a191..a94bacaf4 100644
--- a/EmbeddedPkg/SerialDxe/SerialIo.c
+++ b/EmbeddedPkg/SerialDxe/SerialIo.c
@@ -23,10 +23,35 @@
#include <Library/UefiBootServicesTableLib.h>
#include <Library/DebugLib.h>
#include <Library/SerialPortLib.h>
+#include <Library/SerialPortExtLib.h>
#include <Library/PcdLib.h>
#include <Protocol/SerialIo.h>
+typedef struct {
+ VENDOR_DEVICE_PATH Guid;
+ UART_DEVICE_PATH Uart;
+ EFI_DEVICE_PATH_PROTOCOL End;
+} SIMPLE_TEXT_OUT_DEVICE_PATH;
+
+SIMPLE_TEXT_OUT_DEVICE_PATH mDevicePath = {
+ {
+ { HARDWARE_DEVICE_PATH, HW_VENDOR_DP, sizeof (VENDOR_DEVICE_PATH), 0},
+ EFI_CALLER_ID_GUID // Use the drivers GUID
+ },
+ {
+ { MESSAGING_DEVICE_PATH, MSG_UART_DP, sizeof (UART_DEVICE_PATH), 0},
+ 0, // Reserved
+ FixedPcdGet64 (PcdUartDefaultBaudRate), // BaudRate
+ FixedPcdGet8 (PcdUartDefaultDataBits), // DataBits
+ FixedPcdGet8 (PcdUartDefaultParity), // Parity (N)
+ FixedPcdGet8 (PcdUartDefaultStopBits) // StopBits
+ },
+ { END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, sizeof (EFI_DEVICE_PATH_PROTOCOL), 0}
+};
+
+EFI_HANDLE gHandle = NULL;
+
/**
Reset the serial device.
@@ -42,8 +67,60 @@ SerialReset (
IN EFI_SERIAL_IO_PROTOCOL *This
)
{
- SerialPortInitialize ();
- return EFI_SUCCESS;
+ EFI_STATUS Status;
+ EFI_TPL Tpl;
+
+ Status = SerialPortInitialize ();
+ if (EFI_ERROR(Status)) {
+ return Status;
+ }
+
+ //
+ // Set the Serial I/O mode and update the device path
+ //
+
+ Tpl = gBS->RaiseTPL (TPL_NOTIFY);
+
+ //
+ // Set the Serial I/O mode
+ //
+ This->Mode->ReceiveFifoDepth = 0;
+ This->Mode->Timeout = 1000000;
+ This->Mode->BaudRate = PcdGet64 (PcdUartDefaultBaudRate);
+ This->Mode->DataBits = (UINT32)PcdGet8 (PcdUartDefaultDataBits);
+ This->Mode->Parity = (UINT32)PcdGet8 (PcdUartDefaultParity);
+ This->Mode->StopBits = (UINT32)PcdGet8 (PcdUartDefaultStopBits);
+
+ //
+ // Check if the device path has actually changed
+ //
+ if (mDevicePath.Uart.BaudRate == This->Mode->BaudRate &&
+ mDevicePath.Uart.DataBits == (UINT8)This->Mode->DataBits &&
+ mDevicePath.Uart.Parity == (UINT8)This->Mode->Parity &&
+ mDevicePath.Uart.StopBits == (UINT8)This->Mode->StopBits
+ ) {
+ gBS->RestoreTPL (Tpl);
+ return EFI_SUCCESS;
+ }
+
+ //
+ // Update the device path
+ //
+ mDevicePath.Uart.BaudRate = This->Mode->BaudRate;
+ mDevicePath.Uart.DataBits = (UINT8)This->Mode->DataBits;
+ mDevicePath.Uart.Parity = (UINT8)This->Mode->Parity;
+ mDevicePath.Uart.StopBits = (UINT8)This->Mode->StopBits;
+
+ Status = gBS->ReinstallProtocolInterface (
+ gHandle,
+ &gEfiDevicePathProtocolGuid,
+ &mDevicePath,
+ &mDevicePath
+ );
+
+ gBS->RestoreTPL (Tpl);
+
+ return Status;
}
@@ -85,7 +162,60 @@ SerialSetAttributes (
IN EFI_STOP_BITS_TYPE StopBits
)
{
- return EFI_UNSUPPORTED;
+ EFI_STATUS Status;
+ EFI_TPL Tpl;
+
+ Status = SerialPortSetAttributes (BaudRate, ReceiveFifoDepth, Timeout, Parity, DataBits, StopBits);
+ if (EFI_ERROR(Status)) {
+ return Status;
+ }
+
+ //
+ // Set the Serial I/O mode and update the device path
+ //
+
+ Tpl = gBS->RaiseTPL (TPL_NOTIFY);
+
+ //
+ // Set the Serial I/O mode
+ //
+ This->Mode->BaudRate = BaudRate;
+ This->Mode->ReceiveFifoDepth = ReceiveFifoDepth;
+ This->Mode->Timeout = Timeout;
+ This->Mode->Parity = (UINT32)Parity;
+ This->Mode->DataBits = (UINT32)DataBits;
+ This->Mode->StopBits = (UINT32)StopBits;
+
+ //
+ // Check if the device path has actually changed
+ //
+ if (mDevicePath.Uart.BaudRate == BaudRate &&
+ mDevicePath.Uart.Parity == (UINT8)Parity &&
+ mDevicePath.Uart.DataBits == DataBits &&
+ mDevicePath.Uart.StopBits == (UINT8)StopBits
+ ) {
+ gBS->RestoreTPL (Tpl);
+ return EFI_SUCCESS;
+ }
+
+ //
+ // Update the device path
+ //
+ mDevicePath.Uart.BaudRate = BaudRate;
+ mDevicePath.Uart.DataBits = DataBits;
+ mDevicePath.Uart.Parity = (UINT8) Parity;
+ mDevicePath.Uart.StopBits = (UINT8) StopBits;
+
+ Status = gBS->ReinstallProtocolInterface (
+ gHandle,
+ &gEfiDevicePathProtocolGuid,
+ &mDevicePath,
+ &mDevicePath
+ );
+
+ gBS->RestoreTPL (Tpl);
+
+ return Status;
}
@@ -107,7 +237,7 @@ SerialSetControl (
IN UINT32 Control
)
{
- return EFI_UNSUPPORTED;
+ return SerialPortSetControl(Control);
}
@@ -128,13 +258,7 @@ SerialGetControl (
OUT UINT32 *Control
)
{
- if (SerialPortPoll ()) {
- // If a character is pending don't set EFI_SERIAL_INPUT_BUFFER_EMPTY
- *Control = EFI_SERIAL_OUTPUT_BUFFER_EMPTY;
- } else {
- *Control = EFI_SERIAL_INPUT_BUFFER_EMPTY | EFI_SERIAL_OUTPUT_BUFFER_EMPTY;
- }
- return EFI_SUCCESS;
+ return SerialPortGetControl(Control);
}
@@ -162,8 +286,13 @@ SerialWrite (
UINTN Count;
Count = SerialPortWrite (Buffer, *BufferSize);
- *BufferSize = Count;
- return (Count == 0) ? EFI_DEVICE_ERROR : EFI_SUCCESS;
+
+ if (Count != *BufferSize) {
+ *BufferSize = Count;
+ return EFI_TIMEOUT;
+ }
+
+ return EFI_SUCCESS;
}
/**
@@ -202,9 +331,6 @@ SerialRead (
return EFI_SUCCESS;
}
-
-EFI_HANDLE gHandle = NULL;
-
//
// Template used to initialize the GDB Serial IO protocols
//
@@ -229,29 +355,6 @@ EFI_SERIAL_IO_PROTOCOL gSerialIoTemplate = {
SerialRead,
&gSerialIoMode
};
-
-typedef struct {
- VENDOR_DEVICE_PATH Guid;
- UART_DEVICE_PATH Uart;
- EFI_DEVICE_PATH_PROTOCOL End;
-} SIMPLE_TEXT_OUT_DEVICE_PATH;
-
-SIMPLE_TEXT_OUT_DEVICE_PATH mDevicePath = {
- {
- { HARDWARE_DEVICE_PATH, HW_VENDOR_DP, sizeof (VENDOR_DEVICE_PATH), 0},
- EFI_CALLER_ID_GUID // Use the drivers GUID
- },
- {
- { MESSAGING_DEVICE_PATH, MSG_UART_DP, sizeof (UART_DEVICE_PATH), 0},
- 0, // Reserved
- FixedPcdGet64 (PcdUartDefaultBaudRate), // BaudRate
- FixedPcdGet8 (PcdUartDefaultDataBits), // DataBits
- FixedPcdGet8 (PcdUartDefaultParity), // Parity (N)
- FixedPcdGet8 (PcdUartDefaultStopBits) // StopBits
- },
- { END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, sizeof (EFI_DEVICE_PATH_PROTOCOL), 0}
-};
-
/**
Initialize the state information for the Serial Io Protocol
@@ -273,7 +376,6 @@ SerialDxeInitialize (
{
EFI_STATUS Status;
-
// Make a new handle with Serial IO protocol and its device path on it.
Status = gBS->InstallMultipleProtocolInterfaces (
&gHandle,
diff --git a/Omap35xxPkg/Library/SerialPortLib/SerialPortLib.c b/Omap35xxPkg/Library/SerialPortLib/SerialPortLib.c
index 2f93140e4..9a70593db 100644
--- a/Omap35xxPkg/Library/SerialPortLib/SerialPortLib.c
+++ b/Omap35xxPkg/Library/SerialPortLib/SerialPortLib.c
@@ -17,6 +17,7 @@
#include <Base.h>
#include <Library/DebugLib.h>
#include <Library/SerialPortLib.h>
+#include <Library/SerialPortExtLib.h>
#include <Library/PcdLib.h>
#include <Library/IoLib.h>
#include <Library/OmapLib.h>
@@ -122,3 +123,57 @@ SerialPortPoll (
}
}
+/**
+ Set the serial device control bits.
+
+ @return Always return EFI_UNSUPPORTED.
+
+**/
+RETURN_STATUS
+EFIAPI
+SerialPortSetControl (
+ IN UINT32 Control
+ )
+{
+ return RETURN_SUCCESS;
+}
+
+/**
+ 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 RETURN_SUCCESS;
+}
+
+
+/**
+ Set the serial device attributes.
+
+ @return Always return EFI_UNSUPPORTED.
+
+**/
+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 RETURN_SUCCESS;
+}
+
diff --git a/Omap35xxPkg/Library/SerialPortLib/SerialPortLib.inf b/Omap35xxPkg/Library/SerialPortLib/SerialPortLib.inf
index c595777ef..a7d4fadce 100644
--- a/Omap35xxPkg/Library/SerialPortLib/SerialPortLib.inf
+++ b/Omap35xxPkg/Library/SerialPortLib/SerialPortLib.inf
@@ -35,6 +35,7 @@
OmapLib
[Packages]
+ EmbeddedPkg/EmbeddedPkg.dec
MdePkg/MdePkg.dec
Omap35xxPkg/Omap35xxPkg.dec
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-22 01:33:36 +0000