/* $NoKeywords:$ */ /** * @file * * mtot2.c * * Technology Non-SPD Timings for DDR2 * * @xrefitem bom "File Content Label" "Release Content" * @e project: AGESA * @e sub-project: (Mem/Tech/DDR2) * @e \$Revision: 44324 $ @e \$Date: 2010-12-22 17:16:51 +0800 (Wed, 22 Dec 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 "mm.h" #include "mn.h" #include "mu.h" #include "mt.h" #include "mtot2.h" #include "Filecode.h" CODE_GROUP (G1_PEICC) RDATA_GROUP (G1_PEICC) #define FILECODE PROC_MEM_TECH_DDR2_MTOT2_FILECODE /*---------------------------------------------------------------------------- * DEFINITIONS AND MACROS * *---------------------------------------------------------------------------- */ /*---------------------------------------------------------------------------- * TYPEDEFS AND STRUCTURES * *---------------------------------------------------------------------------- */ /*---------------------------------------------------------------------------- * PROTOTYPES OF LOCAL FUNCTIONS * *---------------------------------------------------------------------------- */ /*---------------------------------------------------------------------------- * EXPORTED FUNCTIONS * *---------------------------------------------------------------------------- */ /* -----------------------------------------------------------------------------*/ /** * * This function adjusts the Twrwr value for DDR2. * * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK * */ VOID MemTAdjustTwrwr2 ( IN OUT MEM_TECH_BLOCK *TechPtr ) { DCT_STRUCT *DCTPtr; DCTPtr = TechPtr->NBPtr->DCTPtr; // For DDR2, 1 clock has encoded value of 0. // Need to transfer clk value to encoded value. if (DCTPtr->Timings.Twrwr >= 1) { DCTPtr->Timings.Twrwr -= 1; } } /* -----------------------------------------------------------------------------*/ /** * * This function adjusts the Twrrd value for DDR2. * * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK * */ VOID MemTAdjustTwrrd2 ( IN OUT MEM_TECH_BLOCK *TechPtr ) { DCT_STRUCT *DCTPtr; DCTPtr = TechPtr->NBPtr->DCTPtr; // For DDR2, 1 clock has encoded value of 0. // Need to transfer clk value to encoded value. if (DCTPtr->Timings.Twrrd >= 1) { DCTPtr->Timings.Twrrd -= 1; } } /* -----------------------------------------------------------------------------*/ /** * * This function gets the LD value for DDR2 * * @param[in,out] *TechPtr - Pointer to the MEM_TECH_BLOCK * * @return value of LD */ INT8 MemTGetLD2 ( IN OUT MEM_TECH_BLOCK *TechPtr ) { INT8 LD; // For DDR2, LD is always one clock (For DDR2, Tcwl is always Tcl minus 1). LD = 1; return LD; }