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uboot-1.1.4-kirkwood/board/mv_feroceon/mv_hal/ddr2/spd/mvSpd.h
2024-01-09 13:43:28 +01:00

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7.2 KiB
C

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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 */