| /* $NoKeywords:$ */ |
| /** |
| * @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: 35136 $ @e \$Date: 2010-07-16 11:29:48 +0800 (Fri, 16 Jul 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; |
| } |
| |
| |
| |