diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/Mem/Tech/DDR2/mtot2.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/Mem/Tech/DDR2/mtot2.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/Mem/Tech/DDR2/mtot2.c b/src/vendorcode/amd/agesa/f14/Proc/Mem/Tech/DDR2/mtot2.c new file mode 100644 index 0000000000..4e6e5fbd92 --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/Mem/Tech/DDR2/mtot2.c @@ -0,0 +1,164 @@ +/* $NoKeywords:$ */ +/** + * @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; +} + + + |