1 files changed, 152 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/INTLVRN/mfintlvrn.c b/src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/INTLVRN/mfintlvrn.c
new file mode 100644
index 0000000000..b14d0e8e00
--- /dev/null
+++ b/src/vendorcode/amd/agesa/f14/Proc/Mem/Feat/INTLVRN/mfintlvrn.c
@@ -0,0 +1,152 @@
+/* $NoKeywords:$ */
+/**
+ * @file
+ *
+ * mfrintlv.c
+ *
+ * Feature Region interleaving support
+ *
+ * @xrefitem bom "File Content Label" "Release Content"
+ * @e project: AGESA
+ * @e sub-project: (Mem/Feat/Intlvrgn)
+ * @e \$Revision: 38442 $ @e \$Date: 2010-09-24 06:39:57 +0800 (Fri, 24 Sep 2010) $
+ *
+ **/
+/*
+ *****************************************************************************
+ *
+ * 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.
+ * 
+ * ***************************************************************************
+ *
+ */
+
+
+/*
+ *----------------------------------------------------------------------------
+ *                                MODULES USED
+ *
+ *----------------------------------------------------------------------------
+ */
+
+
+
+#include "AGESA.h"
+#include "amdlib.h"
+#include "mport.h"
+#include "mm.h"
+#include "mn.h"
+#include "mfintlvrn.h"
+#include "Ids.h"
+#include "Filecode.h"
+CODE_GROUP (G2_PEI)
+RDATA_GROUP (G2_PEI)
+
+#define FILECODE PROC_MEM_FEAT_INTLVRN_MFINTLVRN_FILECODE
+/*----------------------------------------------------------------------------
+ *                          DEFINITIONS AND MACROS
+ *
+ *----------------------------------------------------------------------------
+ */
+#define _4GB_RJ27 ((UINT32)4 << (30 - 27))
+/*----------------------------------------------------------------------------
+ *                           TYPEDEFS AND STRUCTURES
+ *
+ *----------------------------------------------------------------------------
+ */
+
+/*----------------------------------------------------------------------------
+ *                        PROTOTYPES OF LOCAL FUNCTIONS
+ *
+ *----------------------------------------------------------------------------
+ */
+
+/*----------------------------------------------------------------------------
+ *                            EXPORTED FUNCTIONS
+ *
+ *----------------------------------------------------------------------------
+ */
+
+/* -----------------------------------------------------------------------------*/
+/**
+ *
+ *   MemFInterleaveRegion:
+ *
+ *  Applies region interleaving if both DCTs have different size of memory, and
+ *  the channel interleaving region doesn't have UMA covered.
+ *
+ *     @param[in,out]   *NBPtr   - Pointer to the MEM_NB_BLOCK
+ *
+ */
+
+VOID
+MemFInterleaveRegion (
+  IN OUT   MEM_NB_BLOCK *NBPtr
+  )
+{
+  UINT32 TOM;
+  UINT32 TOM2;
+  UINT32 TOMused;
+  UINT32 UmaBase;
+  UINT32 DctSelBase;
+  S_UINT64 SMsr;
+
+  MEM_DATA_STRUCT *MemPtr;
+  MEM_PARAMETER_STRUCT *RefPtr;
+  DIE_STRUCT *MCTPtr;
+
+  MemPtr = NBPtr->MemPtr;
+  RefPtr = NBPtr->RefPtr;
+  MCTPtr = NBPtr->MCTPtr;
+
+  UmaBase = (UINT32) RefPtr->UmaBase >> (27 - 16);
+
+  //TOM scaled from [47:0] to [47:27]
+  LibAmdMsrRead (TOP_MEM, (UINT64 *)&SMsr, &MemPtr->StdHeader);
+  TOM = (SMsr.lo >> 27) | (SMsr.hi << (32 - 27));
+
+  //TOM2 scaled from [47:0] to [47:27]
+  LibAmdMsrRead (TOP_MEM2, (UINT64 *)&SMsr, &MemPtr->StdHeader);
+  TOM2 = (SMsr.lo >> 27) | (SMsr.hi << (32 - 27));
+
+  TOMused = (UmaBase >= _4GB_RJ27) ? TOM2 : TOM;
+
+  if (UmaBase != 0) {
+    //Check if channel interleaving is enabled ? if so, go to next step.
+    if (NBPtr->GetBitField (NBPtr, BFDctSelIntLvEn) == 1) {
+      DctSelBase = NBPtr->GetBitField (NBPtr, BFDctSelBaseAddr);
+      //Skip if DctSelBase is equal to 0, because DCT0 has as the same memory size as DCT1.
+      if (DctSelBase != 0) {
+        //We need not enable swapped interleaved region when channel interleaving region has covered all of the UMA.
+        if (DctSelBase < TOMused) {
+          NBPtr->EnableSwapIntlvRgn (NBPtr, UmaBase, TOMused);
+        }
+      }
+    }
+  }
+}
+
+