Add AMD SB900 CIMx code

This code is added to support the AMD SB900 southbridge.

Change-Id: I7dc5e13a53ffd479dcea4e05e8c8631096e2ba91
Signed-off-by: Frank Vibrans <frank.vibrans@amd.com>
Signed-off-by: efdesign98 <efdesign98@gmail.com>
Reviewed-on: http://review.coreboot.org/41
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marcj303@gmail.com>

1 files changed, 126 insertions, 0 deletions

diff --git a/src/vendorcode/amd/cimx/sb900/PmioLib.c b/src/vendorcode/amd/cimx/sb900/PmioLib.c
new file mode 100755
index 0000000000..75b6fedf1b
--- /dev/null
+++ b/src/vendorcode/amd/cimx/sb900/PmioLib.c
@@ -0,0 +1,126 @@
+/**
+ * @file
+ *
+ * Southbridge PMIO access common routine
+ *
+ */
+/*;********************************************************************************
+;
+; 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"
+
+/*----------------------------------------------------------------------------------------*/
+/**
+ * Read PMIO
+ *
+ *
+ *
+ * @param[in] Address  - PMIO Offset value
+ * @param[in] OpFlag   - Access sizes
+ * @param[in] Value    - Read Data Buffer
+ *
+ */
+VOID
+ReadPMIO (
+  IN       UINT8 Address,
+  IN       UINT8 OpFlag,
+  IN       VOID* Value
+  )
+{
+  UINT8 i;
+  OpFlag = OpFlag & 0x7f;
+
+  if ( OpFlag == 0x02 ) {
+    OpFlag = 0x03;
+  }
+  for ( i = 0; i <= OpFlag; i++ ) {
+    WriteIO (0xCD6, AccWidthUint8, &Address);                   // SB_IOMAP_REGCD6
+    Address++;
+    ReadIO (0xCD7, AccWidthUint8, (UINT8 *)Value + i);          // SB_IOMAP_REGCD7
+  }
+}
+
+/*----------------------------------------------------------------------------------------*/
+/**
+ * Write PMIO
+ *
+ *
+ *
+ * @param[in] Address  - PMIO Offset value
+ * @param[in] OpFlag   - Access sizes
+ * @param[in] Value    - Write Data Buffer
+ *
+ */
+VOID
+WritePMIO (
+  IN       UINT8 Address,
+  IN       UINT8 OpFlag,
+  IN       VOID* Value
+  )
+{
+  UINT8 i;
+  OpFlag = OpFlag & 0x7f;
+
+  if ( OpFlag == 0x02 ) {
+    OpFlag = 0x03;
+  }
+  for ( i = 0; i <= OpFlag; i++ ) {
+    WriteIO (0xCD6, AccWidthUint8, &Address);                   // SB_IOMAP_REGCD6
+    Address++;
+    WriteIO (0xCD7, AccWidthUint8, (UINT8 *)Value + i);         // SB_IOMAP_REGCD7
+  }
+}
+
+/*----------------------------------------------------------------------------------------*/
+/**
+ * RWPMIO - Read/Write PMIO
+ *
+ *
+ *
+ * @param[in] Address    - PMIO Offset value
+ * @param[in] OpFlag     - Access sizes
+ * @param[in] AndMask    - Data And Mask 32 bits
+ * @param[in] OrMask     - Data OR Mask 32 bits
+ *
+ */
+VOID
+RWPMIO (
+  IN       UINT8 Address,
+  IN       UINT8   OpFlag,
+  IN       UINT32 AndMask,
+  IN       UINT32 OrMask
+  )
+{
+  UINT32 Result;
+  OpFlag = OpFlag & 0x7f;
+  ReadPMIO (Address, OpFlag, &Result);
+  Result = (Result & AndMask) | OrMask;
+  WritePMIO (Address, OpFlag, &Result);
+}