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#ifndef __INCmvDram
#define __INCmvDram

#include "ddr2/mvDramIf.h"
#include "twsi/mvTwsi.h"

#define MAX_DIMM_NUM 			2
#define SPD_SIZE			128

/* Dimm spd offsets */
#define DIMM_MEM_TYPE 					2
#define DIMM_ROW_NUM 					3
#define DIMM_COL_NUM 					4
#define DIMM_MODULE_BANK_NUM 				5
#define DIMM_DATA_WIDTH 				6
#define DIMM_VOLT_IF 					8
#define DIMM_MIN_CC_AT_MAX_CAS 				9
#define DIMM_ERR_CHECK_TYPE 				11
#define DIMM_REFRESH_INTERVAL 				12
#define DIMM_SDRAM_WIDTH 				13
#define DIMM_ERR_CHECK_DATA_WIDTH 			14
#define DIMM_MIN_CLK_DEL 				15
#define DIMM_BURST_LEN_SUP 				16
#define DIMM_DEV_BANK_NUM 				17
#define DIMM_SUP_CAL 					18
#define DIMM_DDR2_TYPE_INFORMATION          		20      /* DDR2 only */
#define DIMM_BUF_ADDR_CONT_IN 				21
#define DIMM_MIN_CC_AT_MAX_CAS_MINUS1			23
#define DIMM_MIN_CC_AT_MAX_CAS_MINUS2			25
#define DIMM_MIN_ROW_PRECHARGE_TIME			27
#define DIMM_MIN_ROW_ACTIVE_TO_ROW_ACTIVE		28
#define DIMM_MIN_RAS_TO_CAS_DELAY			29
#define DIMM_MIN_RAS_PULSE_WIDTH			30
#define DIMM_BANK_DENSITY				31
#define DIMM_MIN_WRITE_RECOVERY_TIME        		36
#define DIMM_MIN_WRITE_TO_READ_CMD_DELAY    		37
#define DIMM_MIN_READ_TO_PRECH_CMD_DELAY    		38
#define DIMM_MIN_REFRESH_TO_ACTIVATE_CMD    		42
#define DIMM_SPD_VERSION    				62

/* Dimm Memory Type values */
#define DIMM_MEM_TYPE_SDRAM					0x4
#define DIMM_MEM_TYPE_DDR1 					0x7
#define DIMM_MEM_TYPE_DDR2 					0x8
        
#define DIMM_MODULE_MANU_OFFS 		64
#define DIMM_MODULE_MANU_SIZE 		8
#define DIMM_MODULE_VEN_OFFS 		73 
#define DIMM_MODULE_VEN_SIZE 		25
#define DIMM_MODULE_ID_OFFS 		99
#define DIMM_MODULE_ID_SIZE 		18

/* enumeration for voltage levels. */
typedef enum _mvDimmVoltageIf
{
    TTL_5V_TOLERANT, 
    LVTTL, 
    HSTL_1_5V, 
    SSTL_3_3V, 
    SSTL_2_5V, 
    VOLTAGE_UNKNOWN, 
} MV_DIMM_VOLTAGE_IF;


/* enumaration for SDRAM CAS Latencies. */
typedef enum _mvDimmSdramCas
{
    SD_CL_1 =1,  
    SD_CL_2,  
    SD_CL_3, 
    SD_CL_4, 
    SD_CL_5, 
    SD_CL_6, 
    SD_CL_7, 
    SD_FAULT
}MV_DIMM_SDRAM_CAS;


/* DIMM information structure */                                                    
typedef struct _mvDimmInfo
{
    MV_MEMORY_TYPE  memoryType; 	/* DDR or SDRAM */

    MV_U8       spdRawData[SPD_SIZE];  	/* Content of SPD-EEPROM copied 1:1  */

    /* DIMM dimensions */
    MV_U32  numOfRowAddr;
    MV_U32  numOfColAddr;
    MV_U32  numOfModuleBanks;
    MV_U32  dataWidth;
    MV_U32  errorCheckType;             /* ECC , PARITY..*/
    MV_U32  sdramWidth;                 /* 4,8,16 or 32 */
    MV_U32  errorCheckDataWidth;        /* 0 - no, 1 - Yes */
    MV_U32  burstLengthSupported;
    MV_U32  numOfBanksOnEachDevice;
    MV_U32  suportedCasLatencies;
    MV_U32  refreshInterval;
    MV_U32  dimmBankDensity;
    MV_U32  dimmTypeInfo;           /* DDR2 only */
    MV_U32  dimmAttributes;

    /* DIMM timing parameters */
    MV_U32  minCycleTimeAtMaxCasLatPs;	
    MV_U32  minCycleTimeAtMaxCasLatMinus1Ps;
    MV_U32  minCycleTimeAtMaxCasLatMinus2Ps;
	MV_U32  minRowPrechargeTime;
	MV_U32  minRowActiveToRowActive;
	MV_U32  minRasToCasDelay;
	MV_U32  minRasPulseWidth;
    MV_U32  minWriteRecoveryTime;   /* DDR2 only */
    MV_U32  minWriteToReadCmdDelay; /* DDR2 only */
    MV_U32  minReadToPrechCmdDelay; /* DDR2 only */
    MV_U32  minRefreshToActiveCmd;  /* DDR2 only */

    /* Parameters calculated from the extracted DIMM information */
    MV_U32  size;               /* 16,64,128,256 or 512 MByte in MB units */
    MV_U32  deviceDensity;      /* 16,64,128,256 or 512 Mbit in MB units  */
    MV_U32  numberOfDevices;

} MV_DIMM_INFO;


MV_STATUS mvDramBankInfoGet(MV_U32 bankNum, MV_DRAM_BANK_INFO *pBankInfo);
MV_STATUS dimmSpdGet(MV_U32 dimmNum, MV_DIMM_INFO *pDimmInfo);
MV_VOID dimmSpdPrint(MV_U32 dimmNum);
MV_STATUS dimmSpdCpy(MV_VOID);

#endif /* __INCmvDram */