From: Yan Zhang <[email protected]>

Debug serial port init driver is added to initilize debug
serial port.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Yan Zhang <[email protected]>
Signed-off-by: Ming Huang <[email protected]>
Signed-off-by: Heyi Guo <[email protected]>
---
 Platform/Hisilicon/D06/D06.dsc                                                 
              |  1 +
 Platform/Hisilicon/D06/D06.fdf                                                 
              |  1 +
 
Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.c
   | 64 ++++++++++++++++++++
 
Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.inf
 | 48 +++++++++++++++
 4 files changed, 114 insertions(+)

diff --git a/Platform/Hisilicon/D06/D06.dsc b/Platform/Hisilicon/D06/D06.dsc
index f4dfef1087..3f6f1ff20d 100644
--- a/Platform/Hisilicon/D06/D06.dsc
+++ b/Platform/Hisilicon/D06/D06.dsc
@@ -426,6 +426,7 @@
   # Memory test
   #
   MdeModulePkg/Universal/MemoryTest/NullMemoryTestDxe/NullMemoryTestDxe.inf
+  
Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.inf
   MdeModulePkg/Universal/DisplayEngineDxe/DisplayEngineDxe.inf
   MdeModulePkg/Universal/SetupBrowserDxe/SetupBrowserDxe.inf
   MdeModulePkg/Universal/BdsDxe/BdsDxe.inf
diff --git a/Platform/Hisilicon/D06/D06.fdf b/Platform/Hisilicon/D06/D06.fdf
index 2730eb42a9..bc016a32ae 100644
--- a/Platform/Hisilicon/D06/D06.fdf
+++ b/Platform/Hisilicon/D06/D06.fdf
@@ -303,6 +303,7 @@ READ_LOCK_STATUS   = TRUE
   INF MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.inf
   INF MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBusDxe.inf
 
+  INF 
Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.inf
   INF MdeModulePkg/Universal/Network/SnpDxe/SnpDxe.inf
   #
   # Build Shell from latest source code instead of prebuilt binary
diff --git 
a/Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.c
 
b/Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.c
new file mode 100644
index 0000000000..b7233eed21
--- /dev/null
+++ 
b/Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.c
@@ -0,0 +1,64 @@
+/** @file
+
+    Copyright (c) 2016 - 2018, Hisilicon Limited. All rights reserved.
+    Copyright (c) 2016 - 2018, Linaro Limited. 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.
+
+**/
+
+#include <Uefi.h>
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/PL011UartLib.h>
+#include <Library/PcdLib.h>
+#include <Library/SerialPortLib.h>
+
+RETURN_STATUS
+EFIAPI
+DebugSerialPortInitialize (
+  VOID
+  )
+{
+  UINT64              BaudRate;
+  UINT32              ReceiveFifoDepth;
+  EFI_PARITY_TYPE     Parity;
+  UINT8               DataBits;
+  EFI_STOP_BITS_TYPE  StopBits;
+
+  BaudRate = FixedPcdGet64 (PcdUartDefaultBaudRate);
+  ReceiveFifoDepth = 0;         // Use default FIFO depth
+  Parity = (EFI_PARITY_TYPE)FixedPcdGet8 (PcdUartDefaultParity);
+  DataBits = FixedPcdGet8 (PcdUartDefaultDataBits);
+  StopBits = (EFI_STOP_BITS_TYPE) FixedPcdGet8 (PcdUartDefaultStopBits);
+  return PL011UartInitializePort (
+           (UINTN)FixedPcdGet64 (PcdSerialDbgRegisterBase),
+           FixedPcdGet32 (PL011UartClkInHz),
+           &BaudRate,
+           &ReceiveFifoDepth,
+           &Parity,
+           &DataBits,
+           &StopBits
+           );
+}
+
+EFI_STATUS
+SerialPortEntry (
+  IN EFI_HANDLE         ImageHandle,
+  IN EFI_SYSTEM_TABLE   *SystemTable
+  )
+{
+  EFI_STATUS Status;
+  Status = DebugSerialPortInitialize ();
+  if (EFI_ERROR (Status)) {
+    DEBUG ((DEBUG_ERROR, "CPU1 TB serial port init ERROR: %r\n", Status));
+  }
+  return EFI_SUCCESS;
+}
+
diff --git 
a/Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.inf
 
b/Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.inf
new file mode 100644
index 0000000000..8c91bdf0f4
--- /dev/null
+++ 
b/Silicon/Hisilicon/Hi1620/Drivers/Pl011DebugSerialPortInitDxe/Pl011DebugSerialPortInitDxe.inf
@@ -0,0 +1,48 @@
+#/** @file
+#
+#    Copyright (c) 2016 - 2018, Hisilicon Limited. All rights reserved.
+#    Copyright (c) 2016 - 2018, Linaro Limited. 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.
+#
+#**/
+
+[Defines]
+  INF_VERSION                    = 0x0001001A
+  BASE_NAME                      = Pl011DebugSerialPortInitDxe
+  FILE_GUID                      = 16D53E86-7EA4-47bd-861F-511EA9B8ABE0
+  MODULE_TYPE                    = DXE_DRIVER
+  VERSION_STRING                 = 1.0
+  ENTRY_POINT                    = SerialPortEntry
+
+[Sources.common]
+  Pl011DebugSerialPortInitDxe.c
+
+
+[Packages]
+  ArmPlatformPkg/ArmPlatformPkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+  MdePkg/MdePkg.dec
+  Silicon/Hisilicon/HisiPkg.dec
+
+[LibraryClasses]
+  BaseLib
+  UefiDriverEntryPoint
+
+[Pcd]
+  gArmPlatformTokenSpaceGuid.PL011UartClkInHz
+  gArmPlatformTokenSpaceGuid.PcdSerialDbgRegisterBase
+  gEfiMdePkgTokenSpaceGuid.PcdUartDefaultBaudRate
+  gEfiMdePkgTokenSpaceGuid.PcdUartDefaultDataBits
+  gEfiMdePkgTokenSpaceGuid.PcdUartDefaultParity
+  gEfiMdePkgTokenSpaceGuid.PcdUartDefaultStopBits
+
+[Depex]
+  TRUE
+
-- 
2.17.0

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