sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

MdePkg/BaseSerialPortLib16550: Support UARTs with a register stride greater than 1 byte.

Browse Source 
Add stride PCD to MdeModulePkg to support 16550 UARTs with a register stride that is not 1 byte.
The default value is 1 byte.
Quark SoC uses a stride of 4 bytes.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Michael Kinney <michael.d.kinney@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17215 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Michael Kinney
2015-04-27 19:44:40 +00:00
committed by mdkinney
parent cfe41b57ab
commit cd68e4a8de
4 changed files with 16 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
MdeModulePkg/MdeModulePkg.dec
View File

@@ -20,7 +20,7 @@
PACKAGE_NAME = MdeModulePkg
PACKAGE_UNI_FILE = MdeModulePkg.uni
PACKAGE_GUID = BA0D78D6-2CAF-414b-BD4D-B6762A894288
PACKAGE_VERSION = 0.94
PACKAGE_VERSION = 0.96
[Includes]
Include
@@ -916,6 +916,10 @@
# @Prompt Serial Port Extended Transmit FIFO Size in Bytes
gEfiMdeModulePkgTokenSpaceGuid.PcdSerialExtendedTxFifoSize|64|UINT32|0x00010068
## The number of bytes between registers in serial device. The default is 1 byte.
# @Prompt Serial Port Register Stride in Bytes
gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterStride|1|UINT32|0x0001006B
[PcdsPatchableInModule, PcdsDynamic, PcdsDynamicEx]
## This PCD defines the Console output row. The default value is 25 according to UEFI spec.
# This PCD could be set to 0 then console output would be at max column and max row.