AGESA F15: AMD family15 AGESA code

AMD AGESA code to support Orochi platform family15 model 00-0fh processores,
AMD C32, G34, and AM3r2 Sockets are supported.

Change-Id: If79392c104ace25f7e01db794fa205f47746bcad
Signed-off-by: Kerry Sheh <kerry.she@amd.com>
Signed-off-by: Kerry Sheh <shekairui@gmail.com>
Reviewed-on: http://review.coreboot.org/554
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

1 files changed, 292 insertions, 0 deletions

diff --git a/src/vendorcode/amd/agesa/f15/Proc/Mem/Main/mmLvDdr3.c b/src/vendorcode/amd/agesa/f15/Proc/Mem/Main/mmLvDdr3.c
new file mode 100644
index 0000000000..2874f3f76f
--- /dev/null
+++ b/src/vendorcode/amd/agesa/f15/Proc/Mem/Main/mmLvDdr3.c
@@ -0,0 +1,292 @@
+/* $NoKeywords:$ */
+/**
+ * @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: 56279 $ @e \$Date: 2011-07-11 13:11:28 -0600 (Mon, 11 Jul 2011) $
+ *
+ **/
+/*****************************************************************************
+*
+* Copyright (C) 2012 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 "mmLvDdr3.h"
+#include "GeneralServices.h"
+#include "Filecode.h"
+CODE_GROUP (G1_PEICC)
+RDATA_GROUP (G2_PEI)
+
+#define FILECODE PROC_MEM_MAIN_MMLVDDR3_FILECODE
+
+extern MEM_FEAT_BLOCK_MAIN MemFeatMain;
+/*----------------------------------------------------------------------------
+ *                        PROTOTYPES OF LOCAL FUNCTIONS
+ *
+ *----------------------------------------------------------------------------
+ */
+
+/*-----------------------------------------------------------------------------
+*                                EXPORTED FUNCTIONS
+*
+*-----------------------------------------------------------------------------
+*/
+
+/* -----------------------------------------------------------------------------*/
+/**
+ *
+ *  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) {
+    IDS_HDT_CONSOLE (MEM_FLOW, "\nNo commonly supported VDDIO is found.\n");
+    PutEventLog (AGESA_WARNING, MEM_WARNING_NO_COMMONLY_SUPPORTED_VDDIO, 0, 0, 0, 0, &(NBPtr[BSP_DIE].MemPtr->StdHeader));
+    SetMemError (AGESA_WARNING, NBPtr[BSP_DIE].MCTPtr);
+    // When there is no commonly supported VDDIO, use 1.35V as the temporal VDDIO
+    ParameterPtr->DDR3Voltage = VOLT1_35;
+  } else {
+    IDS_HDT_CONSOLE (MEM_FLOW, "\nCommonly supported VDDIO is: %s%s%s.\n", ((mmSharedPtr->VoltageMap & 1) != 0) ? "1.5V, " : "", ((mmSharedPtr->VoltageMap & 2) != 0) ? "1.35V, " : "", ((mmSharedPtr->VoltageMap & 4) != 0) ? "1.25V" : "");
+    ParameterPtr->DDR3Voltage = CONVERT_ENCODED_TO_VDDIO (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;
+}
+
+/* -----------------------------------------------------------------------------*/
+/**
+ *
+ *  Find the common supported voltage on all nodes, taken into account of the
+ *  user option for performance and power saving.
+ *
+ *     @param[in,out]   *MemMainPtr   - Pointer to the MEM_MAIN_DATA_BLOCK
+ *
+ *     @return          TRUE -  No fatal error occurs.
+ *     @return          FALSE - Fatal error occurs.
+ */
+BOOLEAN
+MemMLvDdr3PerformanceEnhPre (
+  IN OUT   MEM_MAIN_DATA_BLOCK *MemMainPtr
+  )
+{
+  UINT8 Node;
+  BOOLEAN RetVal;
+  DIMM_VOLTAGE VDDIO;
+  MEM_NB_BLOCK *NBPtr;
+  MEM_PARAMETER_STRUCT *ParameterPtr;
+  MEM_SHARED_DATA *mmSharedPtr;
+  PLATFORM_POWER_POLICY PowerPolicy;
+
+  NBPtr = MemMainPtr->NBPtr;
+  mmSharedPtr = MemMainPtr->mmSharedPtr;
+  ParameterPtr = MemMainPtr->MemPtr->ParameterListPtr;
+  PowerPolicy = MemMainPtr->MemPtr->PlatFormConfig->PlatformProfile.PlatformPowerPolicy;
+
+  IDS_OPTION_HOOK (IDS_MEMORY_POWER_POLICY, &PowerPolicy, &NBPtr->MemPtr->StdHeader);
+  IDS_HDT_CONSOLE (MEM_FLOW, (PowerPolicy == Performance) ? "\nMaximize Performance\n" : "\nMaximize Battery Life\n");
+
+  if (ParameterPtr->DDR3Voltage != VOLT_INITIAL) {
+    mmSharedPtr->VoltageMap = VDDIO_DETERMINED;
+    PutEventLog (AGESA_WARNING, MEM_WARNING_INITIAL_DDR3VOLT_NONZERO, 0, 0, 0, 0, &(NBPtr[BSP_DIE].MemPtr->StdHeader));
+    SetMemError (AGESA_WARNING, NBPtr[BSP_DIE].MCTPtr);
+    IDS_HDT_CONSOLE (MEM_FLOW, "Warning: Initial Value for VDDIO has been changed.\n");
+    RetVal = TRUE;
+  } else {
+    RetVal = MemMLvDdr3 (MemMainPtr);
+
+    VDDIO = ParameterPtr->DDR3Voltage;
+    if (NBPtr->IsSupported[PerformanceOnly] || ((PowerPolicy == Performance) && (mmSharedPtr->VoltageMap != 0))) {
+      // When there is no commonly supported voltage, do not optimize performance
+      // For cases where we can maximize performance, do the following
+      // When VDDIO is enforced, DDR3Voltage will be overriden by specific VDDIO
+      // So cases with DDR3Voltage left to be VOLT_UNSUPPORTED will be open to maximizing performance.
+      ParameterPtr->DDR3Voltage = VOLT_UNSUPPORTED;
+    }
+
+    IDS_OPTION_HOOK (IDS_ENFORCE_VDDIO, &(ParameterPtr->DDR3Voltage), &NBPtr->MemPtr->StdHeader);
+
+    if (ParameterPtr->DDR3Voltage != VOLT_UNSUPPORTED) {
+      // When Voltage is already determined, do not have further process to choose maximum frequency to optimize performance
+      mmSharedPtr->VoltageMap = VDDIO_DETERMINED;
+      IDS_HDT_CONSOLE (MEM_FLOW, "VDDIO is determined. No further optimization will be done.\n");
+    } else {
+      for (Node = 0; Node < MemMainPtr->DieCount; Node++) {
+        NBPtr[Node].MaxFreqVDDIO[VOLT1_5_ENCODED_VAL] = UNSUPPORTED_DDR_FREQUENCY;
+        NBPtr[Node].MaxFreqVDDIO[VOLT1_35_ENCODED_VAL] = UNSUPPORTED_DDR_FREQUENCY;
+        NBPtr[Node].MaxFreqVDDIO[VOLT1_25_ENCODED_VAL] = UNSUPPORTED_DDR_FREQUENCY;
+      }
+      // Reprogram the leveling result as temporal candidate
+      ParameterPtr->DDR3Voltage = VDDIO;
+    }
+  }
+
+  ASSERT (ParameterPtr->DDR3Voltage != VOLT_UNSUPPORTED);
+  return RetVal;
+}
+
+/* -----------------------------------------------------------------------------*/
+/**
+ *
+ *  Finalize the VDDIO for the board for performance enhancement.
+ *
+ *     @param[in,out]   *MemMainPtr   - Pointer to the MEM_MAIN_DATA_BLOCK
+ *
+ *     @return          TRUE -  No fatal error occurs.
+ *     @return          FALSE - Fatal error occurs.
+ */
+BOOLEAN
+MemMLvDdr3PerformanceEnhFinalize (
+  IN OUT   MEM_MAIN_DATA_BLOCK *MemMainPtr
+  )
+{
+  UINT8 Dct;
+  UINT8 Node;
+  UINT8 NodeCnt[VOLT1_25 + 1];
+  UINT8 MaxCnt;
+  MEM_NB_BLOCK *NBPtr;
+  MEM_PARAMETER_STRUCT *ParameterPtr;
+  MEM_SHARED_DATA *mmSharedPtr;
+  UINT8 CurrentVoltage;
+  DIMM_VOLTAGE Voltage;
+  MEMORY_BUS_SPEED HighestFreq;
+
+  ParameterPtr = MemMainPtr->MemPtr->ParameterListPtr;
+  mmSharedPtr = MemMainPtr->mmSharedPtr;
+  NBPtr = MemMainPtr->NBPtr;
+
+  LibAmdMemFill (NodeCnt, 0, VOLT1_25_ENCODED_VAL + 1, &NBPtr->MemPtr->StdHeader);
+  if (mmSharedPtr->VoltageMap != VDDIO_DETERMINED) {
+    Voltage = ParameterPtr->DDR3Voltage;
+    IDS_HDT_CONSOLE (MEM_FLOW, "\nSearching for VDDIO that can maximize frequency: \n");
+    for (Node = 0; Node < MemMainPtr->DieCount; Node++) {
+      HighestFreq = 0;
+      // Find out what the highest frequency that can be reached is on this node across different voltage.
+      for (CurrentVoltage = VOLT1_5_ENCODED_VAL; CurrentVoltage <= VOLT1_25_ENCODED_VAL; CurrentVoltage ++) {
+        if (HighestFreq < NBPtr[Node].MaxFreqVDDIO[CurrentVoltage]) {
+          HighestFreq = NBPtr[Node].MaxFreqVDDIO[CurrentVoltage];
+        }
+      }
+      IDS_HDT_CONSOLE (MEM_FLOW, "Node%d: 1.5V -> %dMHz, 1.35V -> %dMHz, 1.25V -> %dMHz\n", Node, NBPtr[Node].MaxFreqVDDIO[VOLT1_5_ENCODED_VAL], NBPtr[Node].MaxFreqVDDIO[VOLT1_35_ENCODED_VAL], NBPtr[Node].MaxFreqVDDIO[VOLT1_25_ENCODED_VAL]);
+      // Figure out what voltage we can have when attaining the highest frequency.
+      for (CurrentVoltage = VOLT1_5_ENCODED_VAL; CurrentVoltage <= VOLT1_25_ENCODED_VAL; CurrentVoltage ++) {
+        if (NBPtr[Node].MaxFreqVDDIO[CurrentVoltage] == HighestFreq) {
+          NodeCnt[CurrentVoltage] ++;
+        }
+      }
+    }
+    IDS_HDT_CONSOLE (MEM_FLOW, "Number of nodes that can run at maximize performance: 1.5V -> %d Nodes 1.35V -> %d Nodes 1.25V -> %d Nodes.\n", NodeCnt[VOLT1_5_ENCODED_VAL], NodeCnt[VOLT1_35_ENCODED_VAL], NodeCnt[VOLT1_25_ENCODED_VAL]);
+    MaxCnt = 0;
+    // Use the VDDIO at which most nodes can run at higher frequency
+    for (CurrentVoltage = VOLT1_5_ENCODED_VAL; CurrentVoltage <= VOLT1_25_ENCODED_VAL; CurrentVoltage ++) {
+      if (MaxCnt <= NodeCnt[CurrentVoltage]) {
+        MaxCnt = NodeCnt[CurrentVoltage];
+        ParameterPtr->DDR3Voltage = CONVERT_ENCODED_TO_VDDIO (CurrentVoltage);
+      }
+    }
+
+    ASSERT (ParameterPtr->DDR3Voltage != VOLT_UNSUPPORTED);
+
+    mmSharedPtr->VoltageMap = VDDIO_DETERMINED;
+    if (Voltage != ParameterPtr->DDR3Voltage) {
+      // Finalize frequency with updated finalized VDDIO
+      for (Node = 0; Node < MemMainPtr->DieCount; Node++) {
+        // Need to re-sync target speed and different VDDIO may cause different settings
+        NBPtr[Node].TechPtr->SpdGetTargetSpeed (NBPtr[Node].TechPtr);
+        for (Dct = 0; Dct < NBPtr[Node].DctCount; Dct++) {
+          NBPtr[Node].SwitchDCT (&(NBPtr[Node]), Dct);
+          if (NBPtr[Node].DCTPtr->Timings.CsEnabled != 0) {
+            if (!NBPtr[Node].PlatformSpec (&(NBPtr[Node]))) {
+              return FALSE;
+            }
+          }
+        }
+      }
+    }
+  }
+  return TRUE;
+}