SdramSpd.h

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#ifndef _SDRAM_SPD_H_
#define _SDRAM_SPD_H_
 
#include <IndustryStandard/SdramSpdDdr3.h>
#include <IndustryStandard/SdramSpdDdr4.h>
#include <IndustryStandard/SdramSpdLpDdr.h>
 
//
// SDRAM SPD field definitions
//
#define SPD_MEMORY_TYPE                 2
#define SPD_SDRAM_ROW_ADDR              3
#define SPD_SDRAM_COL_ADDR              4
#define SPD_SDRAM_MODULE_ROWS           5
#define SPD_SDRAM_MODULE_DATA_WIDTH_LSB 6
#define SPD_SDRAM_MODULE_DATA_WIDTH_MSB 7
#define SPD_SDRAM_ECC_SUPPORT           11
#define SPD_SDRAM_REFRESH               12
#define SPD_SDRAM_WIDTH                 13
#define SPD_SDRAM_ERROR_WIDTH           14
#define SPD_SDRAM_BURST_LENGTH          16
#define SPD_SDRAM_NO_OF_BANKS           17
#define SPD_SDRAM_CAS_LATENCY           18
#define SPD_SDRAM_MODULE_ATTR           21
 
#define SPD_SDRAM_TCLK1_PULSE           9   
#define SPD_SDRAM_TAC1_PULSE            10  
#define SPD_SDRAM_TCLK2_PULSE           23  
#define SPD_SDRAM_TAC2_PULSE            24  
#define SPD_SDRAM_TCLK3_PULSE           25  
#define SPD_SDRAM_TAC3_PULSE            26  
#define SPD_SDRAM_MIN_PRECHARGE         27
#define SPD_SDRAM_ACTIVE_MIN            28
#define SPD_SDRAM_RAS_CAS               29
#define SPD_SDRAM_RAS_PULSE             30
#define SPD_SDRAM_DENSITY               31
 
//
// Memory Type Definitions
//
#define SPD_VAL_SDR_TYPE  4       
#define SPD_VAL_DDR_TYPE  7       
#define SPD_VAL_DDR2_TYPE 8       
#define SPD_VAL_DDR3_TYPE 11      
#define SPD_VAL_DDR4_TYPE 12      
#define SPD_VAL_LPDDR3_TYPE 15    
#define SPD_VAL_LPDDR4_TYPE 16    
 
//
// ECC Type Definitions
//
#define SPD_ECC_TYPE_NONE   0x00  
#define SPD_ECC_TYPE_PARITY 0x01  
#define SPD_ECC_TYPE_ECC    0x02  
//
// Module Attributes (Bit positions)
//
#define SPD_BUFFERED    0x01
#define SPD_REGISTERED  0x02
 
#endif