Add the AMD Family10 Agesa code

[coreboot.git] / src / vendorcode / amd / agesa / f10 / Proc / Mem / Main / mmLvDdr3.c

diff --git a/src/vendorcode/amd/agesa/f10/Proc/Mem/Main/mmLvDdr3.c b/src/vendorcode/amd/agesa/f10/Proc/Mem/Main/mmLvDdr3.c
new file mode 100755 (executable)
index 0000000..1c6645a
--- /dev/null
+++ b/src/vendorcode/amd/agesa/f10/Proc/Mem/Main/mmLvDdr3.c
@@ -0,0 +1,126 @@
+/**
+ * @file
+ *
+ * mmLvDdr3.c
+ *
+ * Main Memory Feature implementation file for low voltage DDR3 support
+ *
+ * @xrefitem bom "File Content Label" "Release Content"
+ * @e project: AGESA
+ * @e sub-project: (Mem/Main)
+ * @e \$Revision: 6474 $ @e \$Date: 2008-06-20 03:07:59 -0500 (Fri, 20 Jun 2008) $
+ *
+ **/
+/*****************************************************************************
+*
+* 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 "Ids.h"
+#include "amdlib.h"
+#include "OptionMemory.h"
+#include "mm.h"
+#include "mn.h"
+#include "Filecode.h"
+#define FILECODE PROC_MEM_MAIN_MMLVDDR3_FILECODE
+
+extern MEM_FEAT_BLOCK_MAIN MemFeatMain;
+/*-----------------------------------------------------------------------------
+*                                EXPORTED FUNCTIONS
+*
+*-----------------------------------------------------------------------------
+*/
+BOOLEAN
+MemMLvDdr3 (
+  IN OUT   MEM_MAIN_DATA_BLOCK *MemMainPtr
+  );
+
+/* -----------------------------------------------------------------------------*/
+/**
+ *
+ *  Find the common supported voltage on all nodes.
+ *
+ *     @param[in,out]   *MemMainPtr   - Pointer to the MEM_MAIN_DATA_BLOCK
+ *
+ *     @return          TRUE -  No fatal error occurs.
+ *     @return          FALSE - Fatal error occurs.
+ */
+BOOLEAN
+MemMLvDdr3 (
+  IN OUT   MEM_MAIN_DATA_BLOCK *MemMainPtr
+  )
+{
+  UINT8   Node;
+  BOOLEAN RetVal;
+  BOOLEAN SecondLoop;
+  MEM_NB_BLOCK  *NBPtr;
+  MEM_PARAMETER_STRUCT *ParameterPtr;
+  MEM_SHARED_DATA *mmSharedPtr;
+
+  NBPtr = MemMainPtr->NBPtr;
+  mmSharedPtr = MemMainPtr->mmSharedPtr;
+  ParameterPtr = MemMainPtr->MemPtr->ParameterListPtr;
+  mmSharedPtr->VoltageMap = 0xFF;
+  SecondLoop = FALSE;
+  RetVal = TRUE;
+
+  for (Node = 0; Node < MemMainPtr->DieCount; Node++) {
+    NBPtr[Node].FeatPtr->LvDdr3 (&NBPtr[Node]);
+    // Check if there is no common supported voltage
+    if ((mmSharedPtr->VoltageMap == 0) && !SecondLoop) {
+      // restart node loop by setting node to 0xFF
+      Node = 0xFF;
+      SecondLoop = TRUE;
+    }
+  }
+
+  if (mmSharedPtr->VoltageMap == 0) {
+    ParameterPtr->DDR3Voltage = VOLT_UNSUPPORTED;
+  } else {
+    ParameterPtr->DDR3Voltage = (DIMM_VOLTAGE) LibAmdBitScanReverse (mmSharedPtr->VoltageMap);
+  }
+
+  for (Node = 0; Node < MemMainPtr->DieCount; Node ++) {
+    // Check if the voltage needs force to 1.5V
+    NBPtr[Node].FamilySpecificHook[ForceLvDimmVoltage] (&NBPtr[Node], MemMainPtr);
+
+    RetVal &= (BOOLEAN) (NBPtr[Node].MCTPtr->ErrCode < AGESA_FATAL);
+  }
+
+  return RetVal;
+}