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| author | Heyi Guo <heyi.guo@linaro.org> | 2016-03-17 22:36:53 +0800 |
|---|---|---|
| committer | Ruiyu Ni <ruiyu.ni@intel.com> | 2016-03-29 15:00:30 +0800 |
| commit | f423d76021df725814a9bebcfeeb8cf57e3c8beb (patch) | |
| tree | 66fd143637b14af6a578cdd9ef0e4c58e602c88d /MdeModulePkg/Universal/SerialDxe | |
| parent | 077af17ad029c326f755c1b44c158e9f75ba0064 (diff) | |
| download | edk2-f423d76021df725814a9bebcfeeb8cf57e3c8beb.tar.gz edk2-f423d76021df725814a9bebcfeeb8cf57e3c8beb.tar.bz2 edk2-f423d76021df725814a9bebcfeeb8cf57e3c8beb.zip | |
MdeModulePkg/SerialDxe: Set FIFO depth with PCD
Set UART receive FIFO depth with PCD instead of fixed number "1".
The default value of PCD is also 1, so it makes no difference for
platforms which do not explicitly set this PCD.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Heyi Guo <heyi.guo@linaro.org>
Cc: Feng Tian <feng.tian@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
Diffstat (limited to 'MdeModulePkg/Universal/SerialDxe')
| -rw-r--r-- | MdeModulePkg/Universal/SerialDxe/SerialDxe.inf | 9 | ||||
| -rw-r--r-- | MdeModulePkg/Universal/SerialDxe/SerialIo.c | 3 |
2 files changed, 7 insertions, 5 deletions
diff --git a/MdeModulePkg/Universal/SerialDxe/SerialDxe.inf b/MdeModulePkg/Universal/SerialDxe/SerialDxe.inf index 164060ba88..a1453bd037 100644 --- a/MdeModulePkg/Universal/SerialDxe/SerialDxe.inf +++ b/MdeModulePkg/Universal/SerialDxe/SerialDxe.inf @@ -41,10 +41,11 @@ gEfiDevicePathProtocolGuid ## PRODUCES
[Pcd]
- gEfiMdePkgTokenSpaceGuid.PcdUartDefaultBaudRate ## CONSUMES
- gEfiMdePkgTokenSpaceGuid.PcdUartDefaultDataBits ## CONSUMES
- gEfiMdePkgTokenSpaceGuid.PcdUartDefaultParity ## CONSUMES
- gEfiMdePkgTokenSpaceGuid.PcdUartDefaultStopBits ## CONSUMES
+ gEfiMdePkgTokenSpaceGuid.PcdUartDefaultBaudRate ## CONSUMES
+ gEfiMdePkgTokenSpaceGuid.PcdUartDefaultDataBits ## CONSUMES
+ gEfiMdePkgTokenSpaceGuid.PcdUartDefaultParity ## CONSUMES
+ gEfiMdePkgTokenSpaceGuid.PcdUartDefaultStopBits ## CONSUMES
+ gEfiMdePkgTokenSpaceGuid.PcdUartDefaultReceiveFifoDepth ## CONSUMES
[Depex]
TRUE
diff --git a/MdeModulePkg/Universal/SerialDxe/SerialIo.c b/MdeModulePkg/Universal/SerialDxe/SerialIo.c index f5b3064926..d2383e56dd 100644 --- a/MdeModulePkg/Universal/SerialDxe/SerialIo.c +++ b/MdeModulePkg/Universal/SerialDxe/SerialIo.c @@ -236,7 +236,7 @@ SerialReset ( //
// Set the Serial I/O mode
//
- This->Mode->ReceiveFifoDepth = 1;
+ This->Mode->ReceiveFifoDepth = PcdGet16 (PcdUartDefaultReceiveFifoDepth);
This->Mode->Timeout = 1000 * 1000;
This->Mode->BaudRate = PcdGet64 (PcdUartDefaultBaudRate);
This->Mode->DataBits = (UINT32) PcdGet8 (PcdUartDefaultDataBits);
@@ -508,6 +508,7 @@ SerialDxeInitialize ( mSerialIoMode.DataBits = (UINT32) PcdGet8 (PcdUartDefaultDataBits);
mSerialIoMode.Parity = (UINT32) PcdGet8 (PcdUartDefaultParity);
mSerialIoMode.StopBits = (UINT32) PcdGet8 (PcdUartDefaultStopBits);
+ mSerialIoMode.ReceiveFifoDepth = PcdGet16 (PcdUartDefaultReceiveFifoDepth);
mSerialDevicePath.Uart.BaudRate = PcdGet64 (PcdUartDefaultBaudRate);
mSerialDevicePath.Uart.DataBits = PcdGet8 (PcdUartDefaultDataBits);
mSerialDevicePath.Uart.Parity = PcdGet8 (PcdUartDefaultParity);
|