1 files changed, 92 insertions, 0 deletions
diff --git a/src/vendorcode/amd/cimx/sb900/IoLib.c b/src/vendorcode/amd/cimx/sb900/IoLib.c
new file mode 100755
index 0000000000..d6eea67962
--- /dev/null
+++ b/src/vendorcode/amd/cimx/sb900/IoLib.c
@@ -0,0 +1,92 @@
+/*;********************************************************************************
+;
+; Copyright (c) 2011, Advanced Micro Devices, Inc.
+; All rights reserved.
+; 
+; Redistribution and use in source and binary forms, with or without
+; modification, are permitted provided that the following conditions are met:
+;     * Redistributions of source code must retain the above copyright
+;       notice, this list of conditions and the following disclaimer.
+;     * Redistributions in binary form must reproduce the above copyright
+;       notice, this list of conditions and the following disclaimer in the
+;       documentation and/or other materials provided with the distribution.
+;     * Neither the name of Advanced Micro Devices, Inc. nor the names of 
+;       its contributors may be used to endorse or promote products derived 
+;       from this software without specific prior written permission.
+; 
+; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+; ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+; DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
+; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+; 
+;*********************************************************************************/
+
+#include "SbPlatform.h"
+#include "cbtypes.h"
+
+
+VOID
+ReadIO (
+  IN       UINT16 Address,
+  IN       UINT8 OpFlag,
+  IN       VOID* Value
+  )
+{
+  OpFlag = OpFlag & 0x7f;
+  switch ( OpFlag ) {
+  case AccWidthUint8:
+    *(UINT8*)Value = ReadIo8 (Address);
+    break;
+  case AccWidthUint16:
+    *(UINT16*)Value = ReadIo16 (Address);
+    break;
+  case AccWidthUint32:
+    *(UINT32*)Value = ReadIo32 (Address);
+    break;
+  default:
+    break;
+  }
+}
+
+VOID
+WriteIO (
+  IN       UINT16 Address,
+  IN       UINT8 OpFlag,
+  IN       VOID* Value
+  )
+{
+  OpFlag = OpFlag & 0x7f;
+  switch ( OpFlag ) {
+  case AccWidthUint8:
+    WriteIo8 (Address, *(UINT8*)Value);
+    break;
+  case AccWidthUint16:
+    WriteIo16 (Address, *(UINT16*)Value);
+    break;
+  case AccWidthUint32:
+    WriteIo32 (Address, *(UINT32*)Value);
+    break;
+  default:
+    break;
+  }
+}
+
+VOID
+RWIO (
+  IN       UINT16 Address,
+  IN       UINT8 OpFlag,
+  IN       UINT32 Mask,
+  IN       UINT32 Data
+  )
+{
+  UINT32 Result;
+  ReadIO (Address, OpFlag, &Result);
+  Result = (Result & Mask) | Data;
+  WriteIO (Address, OpFlag, &Result);
+}