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* [PATCH 1/1] MdeModulePkg: BaseSerialPortLib16550: Update Mmio32 to UNI
@ 2019-05-07 11:08 Loh, Tien Hock
  2019-05-09  6:36 ` [edk2-devel] " Wu, Hao A
  0 siblings, 1 reply; 3+ messages in thread
From: Loh, Tien Hock @ 2019-05-07 11:08 UTC (permalink / raw)
  To: devel, thloh85
  Cc: tien.hock.loh, Tien Hock, Loh, Jian J Wang, Hao Wu, Zhu, YongHong

From: "tien.hock.loh" <thloh@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@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Hao Wu <hao.a.wu@intel.com>
Cc: "Zhu, YongHong" <yonghong.zhu@intel.com>

Signed-off-by: tien.hock.loh <thloh@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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Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2019-05-07 11:08 [PATCH 1/1] MdeModulePkg: BaseSerialPortLib16550: Update Mmio32 to UNI Loh, Tien Hock
2019-05-09  6:36 ` [edk2-devel] " Wu, Hao A
2019-05-09  9:05   ` Loh, Tien Hock

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