/* $NoKeywords:$ */ /** * @file * * mtspd3.h * * Technology SPD support for DDR3 * * @xrefitem bom "File Content Label" "Release Content" * @e project: AGESA * @e sub-project: (Mem/Tech/DDR3) * @e \$Revision: 35415 $ @e \$Date: 2010-07-22 06:10:32 +0800 (Thu, 22 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. * * *************************************************************************** * */ #ifndef _MTSPD3_H_ #define _MTSPD3_H_ /*---------------------------------------------------------------------------- * Mixed (DEFINITIONS AND MACROS / TYPEDEFS, STRUCTURES, ENUMS) * *---------------------------------------------------------------------------- */ /*----------------------------------------------------------------------------- * DEFINITIONS AND MACROS * *----------------------------------------------------------------------------- */ /*=============================================================================== * Jedec DDR III *=============================================================================== */ #define SPD_BYTE_USED 0 #define SPD_TYPE 2 /* SPD byte read location */ #define JED_DDR_SDRAM 7 /* Jedec defined bit field */ #define JED_DDR2_SDRAM 8 /* Jedec defined bit field */ #define JED_DDR3SDRAM 0xB /* Jedec defined bit field */ #define SPD_DIMM_TYPE 3 #define SPD_ATTRIB 21 #define JED_DIF_CK_MSK 0x20 /* Differential Clock Input */ #define JED_RDIMM 1 #define JED_MINIRDIMM 5 #define JED_UDIMM 2 #define JED_SODIMM 3 #define JED_LRDIMM 0xB #define SPD_L_BANKS 4 /* [7:4] number of [logical] banks on each device */ #define SPD_DENSITY 4 /* bit 3:0 */ #define SPD_ROW_SZ 5 /* bit 5:3 */ #define SPD_COL_SZ 5 /* bit 2:0 */ #define SPD_RANKS 7 /* bit 5:3 */ #define SPD_DEV_WIDTH 7 /* bit 2:0 */ #define SPD_ECCBITS 8 /* bit 4:3 */ #define JED_ECC 8 #define SPD_RAWCARD 62 /* bit 2:0 */ #define SPD_ADDRMAP 63 /* bit 0 */ #define SPD_CTLWRD03 70 /* bit 7:4 */ #define SPD_CTLWRD04 71 /* bit 3:0 */ #define SPD_CTLWRD05 71 /* bit 7:4 */ #define SPD_FTB 9 #if CONFIG(CPU_AMD_AGESA_OPENSOURCE_MEM_JEDEC) || CONFIG(CPU_AMD_AGESA_OPENSOURCE_MEM_CUSTOM) #define SPD_DIVIDENT 10 #define SPD_DIVISOR 11 #define SPD_TCK 12 #define SPD_CASLO 14 #define SPD_CASHI 15 #define SPD_TAA 16 #define SPD_TWR 17 #define SPD_TRCD 18 #define SPD_TRRD 19 #define SPD_TRP 20 #define SPD_UPPER_TRC 21 /* bits 7:4 */ #define SPD_UPPER_TRAS 21 /* bits 3:0 */ #define SPD_TRAS 22 #define SPD_TRC 23 #define SPD_TWTR 26 #define SPD_TRTP 27 #define SPD_UPPER_TFAW 28 /* bits 3:0 */ #define SPD_TFAW 29 #endif #if CONFIG(CPU_AMD_AGESA_OPENSOURCE_MEM_XMP_1) #define SPD_DIVIDENT 180 #define SPD_DIVISOR 181 #define SPD_TCK 186 #define SPD_CASLO 188 #define SPD_CASHI 189 #define SPD_TAA 187 #define SPD_TWR 193 #define SPD_TRCD 192 #define SPD_TRRD 202 #define SPD_TRP 191 #define SPD_UPPER_TRC 194 /* bits 7:4 */ #define SPD_UPPER_TRAS 194 /* bits 3:0 */ #define SPD_TRAS 195 #define SPD_TRC 196 #define SPD_TWTR 205 #define SPD_TRTP 201 #define SPD_UPPER_TFAW 203 /* bits 3:0 */ #define SPD_TFAW 204 #endif #if CONFIG(CPU_AMD_AGESA_OPENSOURCE_MEM_XMP_2) #define SPD_DIVIDENT 182 #define SPD_DIVISOR 183 #define SPD_TCK 221 #define SPD_CASLO 223 #define SPD_CASHI 224 #define SPD_TAA 222 #define SPD_TWR 228 #define SPD_TRCD 227 #define SPD_TRRD 237 #define SPD_TRP 226 #define SPD_UPPER_TRC 229 /* bits 7:4 */ #define SPD_UPPER_TRAS 229 /* bits 3:0 */ #define SPD_TRAS 230 #define SPD_TRC 231 #define SPD_TWTR 240 #define SPD_TRTP 236 #define SPD_UPPER_TFAW 238 /* bits 3:0 */ #define SPD_TFAW 239 #endif #define SPD_TCK_FTB 34 #define SPD_TAA_FTB 35 #define SPD_TRCD_FTB 36 #define SPD_TRP_FTB 37 #define SPD_TRC_FTB 38 /*----------------------------- * Jedec DDR II related equates *----------------------------- */ #define CL_DEF 4 /* Default value for failsafe operation. 4=CL 6.0 T */ #define T_DEF 4 /* Default value for failsafe operation. 4=2.5ns (cycle time) */ #define BIAS_TRTP_T 4 #define BIAS_TRCD_T 5 #define BIAS_TRAS_T 15 #define BIAS_TRC_T 11 #define BIAS_TRRD_T 4 #define BIAS_TWR_T 4 #define BIAS_TRP_T 5 #define BIAS_TWTR_T 4 #define BIAS_TFAW_T 14 #define MIN_TRTP_T 4 #define MAX_TRTP_T 7 #define MIN_TRCD_T 5 #define MAX_TRCD_T 12 #define MIN_TRAS_T 15 #define MAX_TRAS_T 30 #define MIN_TRC_T 11 #define MAX_TRC_T 42 #define MIN_TRRD_T 4 #define MAX_TRRD_T 7 #define MIN_TWR_T 5 #define MAX_TWR_T 12 #define MIN_TRP_T 5 #define MAX_TRP_T 12 #define MIN_TWTR_T 4 #define MAX_TWTR_T 7 #define MIN_TFAW_T 16 #define MAX_TFAW_T 32 /*---------------------------------------------------------------------------- * TYPEDEFS, STRUCTURES, ENUMS * *---------------------------------------------------------------------------- */ /*---------------------------------------------------------------------------- * FUNCTIONS PROTOTYPE * *---------------------------------------------------------------------------- */ #endif /* _MTSPD3_H_ */