From afdfe8f02bdf8d563554bb620c001072862b064e Mon Sep 17 00:00:00 2001
From: andrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Fri, 2 Jul 2010 12:00:00 +0000
Subject: Remove ArmEbPkg and replace with ArmRealViewEbPkg. Ported
 ArmRealViewEbPkg to have a PEI phase, and added place holder CPU PEIM to
 ArmPkg. This ArmRealViewEbPkg now boots from SEC, PEI, DXE, BDS, to EBL in
 the ARM RealView system emulator that comes with RealView Pro.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10621 6f19259b-4bc3-4df7-8a09-765794883524
---
 .../Library/GdbSerialLib/GdbSerialLib.c            | 123 +++++++++++++++++++++
 .../Library/GdbSerialLib/GdbSerialLib.inf          |  40 +++++++
 2 files changed, 163 insertions(+)
 create mode 100755 ArmRealViewEbPkg/Library/GdbSerialLib/GdbSerialLib.c
 create mode 100755 ArmRealViewEbPkg/Library/GdbSerialLib/GdbSerialLib.inf

(limited to 'ArmRealViewEbPkg/Library/GdbSerialLib')

diff --git a/ArmRealViewEbPkg/Library/GdbSerialLib/GdbSerialLib.c b/ArmRealViewEbPkg/Library/GdbSerialLib/GdbSerialLib.c
new file mode 100755
index 0000000000..7a87754906
--- /dev/null
+++ b/ArmRealViewEbPkg/Library/GdbSerialLib/GdbSerialLib.c
@@ -0,0 +1,123 @@
+/** @file
+  Basic serial IO abstaction for GDB
+
+  Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+  
+  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/GdbSerialLib.h>
+#include <Library/PcdLib.h>
+#include <Library/IoLib.h>
+
+#include <ArmEb/ArmEb.h>
+
+RETURN_STATUS
+EFIAPI
+GdbSerialLibConstructor (
+  VOID
+  )
+{
+  return GdbSerialInit (115200, 0, 8, 1);
+}
+
+RETURN_STATUS
+EFIAPI
+GdbSerialInit (
+  IN UINT64     BaudRate, 
+  IN UINT8      Parity, 
+  IN UINT8      DataBits, 
+  IN UINT8      StopBits 
+  )
+{
+  if ((Parity != 0) || (DataBits != 8) || (StopBits != 1)) {
+    return RETURN_UNSUPPORTED;
+  }
+
+  if (BaudRate != 115200) {
+    // Could add support for different Baud rates....
+    return RETURN_UNSUPPORTED;
+  }
+      
+  UINT32  Base = PcdGet32 (PcdGdbUartBase);
+  
+  // initialize baud rate generator to 115200 based on EB clock REFCLK24MHZ
+  MmioWrite32 (Base + UARTIBRD, UART_115200_IDIV);
+  MmioWrite32 (Base + UARTFBRD, UART_115200_FDIV);
+
+  // no parity, 1 stop, no fifo, 8 data bits
+  MmioWrite32 (Base + UARTLCR_H, 0x60);
+
+  // clear any pending errors
+  MmioWrite32 (Base + UARTECR, 0);
+
+  // enable tx, rx, and uart overall
+  MmioWrite32 (Base + UARTCR, 0x301);
+
+  return RETURN_SUCCESS;
+}
+
+BOOLEAN
+EFIAPI
+GdbIsCharAvailable (
+  VOID
+  )  
+{
+  UINT32 FR = PcdGet32 (PcdGdbUartBase) + UARTFR;
+
+  if ((MmioRead32 (FR) & UART_RX_EMPTY_FLAG_MASK) == 0) {
+    return TRUE;
+  } else {
+    return FALSE;
+  }
+}
+
+CHAR8
+EFIAPI
+GdbGetChar (
+  VOID
+  )
+{
+  UINT32  FR = PcdGet32 (PcdGdbUartBase) + UARTFR;
+  UINT32  DR = PcdGet32 (PcdGdbUartBase) + UARTDR;
+    
+  while ((MmioRead32 (FR) & UART_RX_EMPTY_FLAG_MASK) == 0);
+  return MmioRead8 (DR);
+}
+
+VOID
+EFIAPI
+GdbPutChar (
+  IN  CHAR8   Char
+  )
+{
+  UINT32 FR = PcdGet32 (PcdGdbUartBase) + UARTFR;
+  UINT32 DR = PcdGet32 (PcdGdbUartBase) + UARTDR;
+
+  while ((MmioRead32 (FR) & UART_TX_EMPTY_FLAG_MASK) != 0);
+  MmioWrite8 (DR, Char);
+  return;
+}
+
+VOID
+GdbPutString (
+  IN CHAR8  *String
+  )
+{
+  while (*String != '\0') {
+    GdbPutChar (*String);
+    String++;
+  }
+}
+
+
+
+
diff --git a/ArmRealViewEbPkg/Library/GdbSerialLib/GdbSerialLib.inf b/ArmRealViewEbPkg/Library/GdbSerialLib/GdbSerialLib.inf
new file mode 100755
index 0000000000..3256f4fe68
--- /dev/null
+++ b/ArmRealViewEbPkg/Library/GdbSerialLib/GdbSerialLib.inf
@@ -0,0 +1,40 @@
+#/** @file
+#  
+#  Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>
+#  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                    = 0x00010005
+  BASE_NAME                      = GdbSerialLib
+  FILE_GUID                      = E8EA1309-2F14-428f-ABE3-7016CE4B4305
+  MODULE_TYPE                    = BASE
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = GdbSerialLib
+
+  CONSTRUCTOR                    = GdbSerialLibConstructor
+
+
+[Sources.common]
+  GdbSerialLib.c
+
+
+[Packages]
+  MdePkg/MdePkg.dec
+  EmbeddedPkg/EmbeddedPkg.dec
+  ArmRealViewEbPkg/ArmRealViewEbPkg.dec
+
+[LibraryClasses]
+  DebugLib
+  IoLib   
+
+[FixedPcd]
+
+  gArmRealViewEbPkgTokenSpaceGuid.PcdGdbUartBase
\ No newline at end of file
-- 
cgit v1.2.3