[edk2-devel] [PATCH 1/1] MdeModulePkg: BaseSerialPortLib16550: Update Mmio32 to UNI

Loh, Tien Hock tien.hock.loh at intel.com
Tue May 7 11:08:01 UTC 2019


From: "tien.hock.loh" <thloh at ppglcf0027.png.intel.com>

Some busses doesn't allow 8 bit MMIO read/write, this adds support for
32 bits read/write. This patch adds the UNI information on the new
Pcd introduced - PcdSerialRegisterAccessWidth

Signed-off-by: "Tien Hock, Loh" <tien.hock.loh at intel.com>
Cc: Jian J Wang <jian.j.wang at intel.com>
Cc: Hao Wu <hao.a.wu at intel.com>
Cc: "Zhu, YongHong" <yonghong.zhu at intel.com>

Signed-off-by: tien.hock.loh <thloh at ppglcf0027.png.intel.com>
---
 MdeModulePkg/MdeModulePkg.uni | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/MdeModulePkg/MdeModulePkg.uni b/MdeModulePkg/MdeModulePkg.uni
index cf2aefa7ad..654dfeadb0 100644
--- a/MdeModulePkg/MdeModulePkg.uni
+++ b/MdeModulePkg/MdeModulePkg.uni
@@ -160,6 +160,12 @@
                                                                                   "TRUE  - 16550 serial port registers are in MMIO space.<BR>\n"
                                                                                   "FALSE - 16550 serial port registers are in I/O space.<BR>"
 
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdSerialRegisterAccessWidth_PROMPT  #language en-US "Serial port registers access width"
+
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdSerialRegisterAccessWidth_HELP  #language en-US "Sets the 16550 serial port registers access width in MMIO space. Default is 8 bits access.<BR><BR>\n"
+                                                                                  "8  - 16550 serial port MMIO register access are in 8 bits mode.<BR>\n"
+                                                                                  "32 - 16550 serial port MMIO registers acess are in 32 bits mode..<BR>"
+
 #string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdSerialUseHardwareFlowControl_PROMPT  #language en-US "Enable serial port hardware flow control"
 
 #string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdSerialUseHardwareFlowControl_HELP  #language en-US "Indicates if the 16550 serial port hardware flow control will be enabled. Default is FALSE.<BR><BR>\n"
-- 
2.13.0


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