diff options
author | efdesign98 <efdesign98@gmail.com> | 2011-06-20 18:12:43 -0700 |
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committer | Marc Jones <marcj303@gmail.com> | 2011-06-22 01:35:45 +0200 |
commit | 621ca384a7a5efb2cc7597504dc17b741cd2df10 (patch) | |
tree | 01871adc6d39f48916b5625b3aa1a4b6d5ab9c92 /src/vendorcode/amd/agesa/f14/Proc/Mem/Main/mmLvDdr3.c | |
parent | 05a89ab922473f375820a3bd68691bb085c62448 (diff) | |
download | coreboot-621ca384a7a5efb2cc7597504dc17b741cd2df10.tar.xz |
Move existing AMD Ffamily14 code to f14 folder
This change moves the AMD Family14 cpu Agesa code to
the vendorcode/amd/agesa/f14 folder to complete the
transition to the family oriented folder structure.
Change-Id: I211e80ee04574cc713f38b4cc1b767dbb2bfaa59
Signed-off-by: Frank Vibrans <frank.vibrans@amd.com>
Signed-off-by: efdesign98 <efdesign98@gmail.com>
Reviewed-on: http://review.coreboot.org/52
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marcj303@gmail.com>
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/Mem/Main/mmLvDdr3.c')
-rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/Mem/Main/mmLvDdr3.c | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/Mem/Main/mmLvDdr3.c b/src/vendorcode/amd/agesa/f14/Proc/Mem/Main/mmLvDdr3.c new file mode 100644 index 0000000000..1fe217118a --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/Mem/Main/mmLvDdr3.c @@ -0,0 +1,265 @@ +/* $NoKeywords:$ */ +/** + * @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: 38415 $ @e \$Date: 2010-09-24 03:30:59 +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 "Ids.h" +#include "amdlib.h" +#include "OptionMemory.h" +#include "mm.h" +#include "mn.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) + +#define FILECODE PROC_MEM_MAIN_MMLVDDR3_FILECODE + +extern MEM_FEAT_BLOCK_MAIN MemFeatMain; +/*----------------------------------------------------------------------------- +* 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) { + ParameterPtr->DDR3Voltage = VOLT_UNSUPPORTED; + } else { + ParameterPtr->DDR3Voltage = (DIMM_VOLTAGE) LibAmdBitScanReverse (mmSharedPtr->VoltageMap); + } + + for (Node = 0; Node < MemMainPtr->DieCount; Node ++) { + 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_SKIP_PERFORMANCE_OPT, &PowerPolicy, &NBPtr->MemPtr->StdHeader); + IDS_HDT_CONSOLE (MEM_STATUS, (PowerPolicy == Performance) ? "Maximize Performance\n" : "Maximize Battery Life\n"); + + RetVal = MemMLvDdr3 (MemMainPtr); + + VDDIO = ParameterPtr->DDR3Voltage; + ParameterPtr->DDR3Voltage = VOLT_UNSUPPORTED; + + if (mmSharedPtr->VoltageMap == 0) { + // When there is no commonly supported voltage, do not optimize performance + mmSharedPtr->VoltageMap = VDDIO_DETERMINED; + } else if (PowerPolicy == BatteryLife) { + ParameterPtr->DDR3Voltage = VDDIO; + } + + 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_STATUS, "VDDIO is determined. No further optimization will be done.\n"); + } else { + for (Node = 0; Node < MemMainPtr->DieCount; Node++) { + NBPtr[Node].MaxFreqVDDIO[VOLT1_5] = UNSUPPORTED_DDR_FREQUENCY; + NBPtr[Node].MaxFreqVDDIO[VOLT1_35] = UNSUPPORTED_DDR_FREQUENCY; + NBPtr[Node].MaxFreqVDDIO[VOLT1_25] = UNSUPPORTED_DDR_FREQUENCY; + } + } + + // Reprogram the leveling result + ParameterPtr->DDR3Voltage = VDDIO; + + 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; + DIMM_VOLTAGE CurrentVoltage; + DIMM_VOLTAGE Voltage; + MEMORY_BUS_SPEED HighestFreq; + + ParameterPtr = MemMainPtr->MemPtr->ParameterListPtr; + mmSharedPtr = MemMainPtr->mmSharedPtr; + NBPtr = MemMainPtr->NBPtr; + + LibAmdMemFill (NodeCnt, 0, VOLT1_25 + 1, &NBPtr->MemPtr->StdHeader); + if (mmSharedPtr->VoltageMap != VDDIO_DETERMINED) { + Voltage = ParameterPtr->DDR3Voltage; + 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; CurrentVoltage <= VOLT1_25; CurrentVoltage ++) { + if (HighestFreq < NBPtr[Node].MaxFreqVDDIO[CurrentVoltage]) { + HighestFreq = NBPtr[Node].MaxFreqVDDIO[CurrentVoltage]; + } + } + // Figure out what voltage we can have when attaining the highest frequency. + for (CurrentVoltage = VOLT1_5; CurrentVoltage <= VOLT1_25; CurrentVoltage ++) { + if (NBPtr[Node].MaxFreqVDDIO[CurrentVoltage] == HighestFreq) { + NodeCnt[CurrentVoltage] ++; + } + } + } + MaxCnt = 0; + // Use the VDDIO at which most nodes can run at higher frequency + for (CurrentVoltage = VOLT1_5; CurrentVoltage <= VOLT1_25; CurrentVoltage ++) { + if (MaxCnt <= NodeCnt[CurrentVoltage]) { + MaxCnt = NodeCnt[CurrentVoltage]; + ParameterPtr->DDR3Voltage = CurrentVoltage; + } + } + + 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; +} |