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Intel BX80605I7870 Data Sheet - Page 69

Mc_channel_0_rank_timing_b, Mc_channel_1_rank_timing_b, Mc_channel_2_rank_timing_b

UPC - 735858210461

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Register Description 2.10.11 MC_CHANNEL_0_RANK_TIMING_B MC_CHANNEL_1_RANK_TIMING_B MC_CHANNEL_2_RANK_TIMING_B This register contains parameters that specify the rank timing used. All parameters are in DCLK. Device: 4, 5, 6 Function: 0 Offset: 84h Access as a Dword Bit 20:16 15:13 12:10 9 8:6 5:0 Type RW RW RW RW RW RW Reset Value Description B2B_CAS_DELAY. Controls the delay between CAS commands in DCLKS. The minimum spacing is 0 4 DCLKS. Values below 3 have no effect. A value of 0 disables the logic. Setting the value between 3-31 also spaces the read data by 0-29 DCLKS. The value entered is one less than the spacing required, i.e. a spacing of 5 DCLKS between CAS commands (or 1 DCLK on the read data) requires a setting of 4. tddWrTWr. Minimum delay between writes to different DIMMs. 000 = 2 001 = 3 010 = 4 0 011 = 5 100 = 6 101 = 7 110 = 8 111 = 9 tdrWrTWr. Minimum delay between writes to different ranks on the same DIMM. 000 = 2 001 = 3 010 = 4 0 011 = 5 100 = 6 101 = 7 110 = 8 111 = 9 tsrWrTWr. Minimum delay between writes to the same rank. 0 0 = 4 1 = 6 tRRD. 0 Specifies the minimum time between activate commands to the same rank. tFAW. 0 Four Activate Window. Specifies the time window in which four activates are allowed the same rank. Datasheet 69

Section	Page
1 Introduction	11
1.1 Terminology	11
1.1.1 Processor Terminology	11
1.2 References	13
2 Register Description	15
2.1 Register Terminology	15
2.2 Platform Configuration Structure	16
2.3 Device Mapping	17
2.4 Detailed Configuration Space Maps	18
2.5 PCI Standard Registers	36
2.5.1 VID - Vendor Identification Register	36
2.5.2 DID - Device Identification Register	36
2.5.3 RID - Revision Identification Register	37
2.5.4 CCR - Class Code Register	37
2.5.5 HDR - Header Type Register	38
2.5.6 SID/SVID - Subsystem Identity/Subsystem Vendor Identification Register	38
2.5.7 PCICMD - Command Register	39
2.5.8 PCISTS - PCI Status Register	40
2.6 SAD - System Address Decoder Registers	41
2.6.1 SAD_PAM0123	41
2.6.2 SAD_PAM456	43
2.6.3 SAD_HEN	44
2.6.4 SAD_SMRAM	44
2.6.5 SAD_PCIEXBAR	45
2.6.6 SAD_DRAM_RULE_0, SAD_DRAM_RULE_1, SAD_DRAM_RULE_2, SAD_DRAM_RULE_3 SAD_DRAM_RULE_4, SAD_DRAM_RULE_5 SAD_DRAM_RULE_6, SAD_DRAM_RULE_7	45
2.6.7 SAD_INTERLEAVE_LIST_0, SAD_INTERLEAVE_LIST_1 SAD_INTERLEAVE_LIST_2, SAD_INTERLEAVE_LIST_3 SAD_INTERLEAVE_LIST_4, SAD_INTERLEAVE_LIST_5 SAD_INTERLEAVE_LIST_6, SAD_INTERLEAVE_LIST_7	46
2.7 Intel QPI Link Registers	47
2.7.1 QPI_QPILCL_L0, QPI_QPILCL_L1	47
2.8 Integrated Memory Controller Control Registers	47
2.8.1 MC_CONTROL	47
2.8.2 MC_STATUS	49
2.8.3 MC_SMI_SPARE_DIMM_ERROR_STATUS	50
2.8.4 MC_SMI_SPARE_CNTRL	51
2.8.5 MC_RESET_CONTROL	51
2.8.6 MC_CHANNEL_MAPPER	52
2.8.7 MC_MAX_DOD	53
2.8.8 MC_RD_CRDT_INIT	54
2.8.9 MC_CRDT_WR_THLD	55
2.8.10 MC_SCRUBADDR_LO	55
2.8.11 MC_SCRUBADDR_HI	56
2.9 TAD - Target Address Decoder Registers	57
2.9.1 TAD_DRAM_RULE_0, TAD_DRAM_RULE_1 TAD_DRAM_RULE_2, TAD_DRAM_RULE_3 TAD_DRAM_RULE_4, TAD_DRAM_RULE_5 TAD_DRAM_RULE_6, TAD_DRAM_RULE_7	57
2.9.2 TAD_INTERLEAVE_LIST_0, TAD_INTERLEAVE_LIST_1 TAD_INTERLEAVE_LIST_2, TAD_INTERLEAVE_LIST_3 TAD_INTERLEAVE_LIST_4, TAD_INTERLEAVE_LIST_5 TAD_INTERLEAVE_LIST_6, TAD_INTERLEAVE_LIST_7	58
2.10 Integrated Memory Controller Channel Control Registers	59
2.10.1 MC_CHANNEL_0_DIMM_RESET_CMD MC_CHANNEL_1_DIMM_RESET_CMD MC_CHANNEL_2_DIMM_RESET_CMD	59
2.10.2 MC_CHANNEL_0_DIMM_INIT_CMD MC_CHANNEL_1_DIMM_INIT_CMD MC_CHANNEL_2_DIMM_INIT_CMD	60
2.10.3 MC_CHANNEL_0_DIMM_INIT_PARAMS MC_CHANNEL_1_DIMM_INIT_PARAMS MC_CHANNEL_2_DIMM_INIT_PARAMS	61
2.10.4 MC_CHANNEL_0_DIMM_INIT_STATUS MC_CHANNEL_1_DIMM_INIT_STATUS MC_CHANNEL_2_DIMM_INIT_STATUS	62
2.10.5 MC_CHANNEL_0_DDR3CMD MC_CHANNEL_1_DDR3CMD MC_CHANNEL_2_DDR3CMD	63
2.10.6 MC_CHANNEL_0_REFRESH_THROTTLE_SUPPORT MC_CHANNEL_1_REFRESH_THROTTLE_SUPPORT MC_CHANNEL_2_REFRESH_THROTTLE_SUPPORT	64
2.10.7 MC_CHANNEL_0_MRS_VALUE_0_1 MC_CHANNEL_1_MRS_VALUE_0_1 MC_CHANNEL_2_MRS_VALUE_0_1	64
2.10.8 MC_CHANNEL_0_MRS_VALUE_2 MC_CHANNEL_1_MRS_VALUE_2 MC_CHANNEL_2_MRS_VALUE_2	65
2.10.9 MC_CHANNEL_0_RANK_PRESENT MC_CHANNEL_1_RANK_PRESENT MC_CHANNEL_2_RANK_PRESENT	65
2.10.10 MC_CHANNEL_0_RANK_TIMING_A MC_CHANNEL_1_RANK_TIMING_A MC_CHANNEL_2_RANK_TIMING_A	66
2.10.11 MC_CHANNEL_0_RANK_TIMING_B MC_CHANNEL_1_RANK_TIMING_B MC_CHANNEL_2_RANK_TIMING_B	69
2.10.12 MC_CHANNEL_0_BANK_TIMING MC_CHANNEL_1_BANK_TIMING MC_CHANNEL_2_BANK_TIMING	70
2.10.13 MC_CHANNEL_0_REFRESH_TIMING MC_CHANNEL_1_REFRESH_TIMING MC_CHANNEL_2_REFRESH_TIMING	70
2.10.14 MC_CHANNEL_0_CKE_TIMING MC_CHANNEL_1_CKE_TIMING MC_CHANNEL_2_CKE_TIMING	71
2.10.15 MC_CHANNEL_0_ZQ_TIMING MC_CHANNEL_1_ZQ_TIMING MC_CHANNEL_2_ZQ_TIMING	71
2.10.16 MC_CHANNEL_0_RCOMP_PARAMS MC_CHANNEL_1_RCOMP_PARAMS MC_CHANNEL_2_RCOMP_PARAMS	72
2.10.17 MC_CHANNEL_0_ODT_PARAMS1 MC_CHANNEL_1_ODT_PARAMS1 MC_CHANNEL_2_ODT_PARAMS1	72
2.10.18 MC_CHANNEL_0_ODT_PARAMS2 MC_CHANNEL_1_ODT_PARAMS2 MC_CHANNEL_2_ODT_PARAMS2	73
2.10.19 MC_CHANNEL_0_ODT_MATRIX_RANK_0_3_RD MC_CHANNEL_1_ODT_MATRIX_RANK_0_3_RD MC_CHANNEL_2_ODT_MATRIX_RANK_0_3_RD	73
2.10.20 MC_CHANNEL_0_ODT_MATRIX_RANK_4_7_RD MC_CHANNEL_1_ODT_MATRIX_RANK_4_7_RD MC_CHANNEL_2_ODT_MATRIX_RANK_4_7_RD	74
2.10.21 MC_CHANNEL_0_ODT_MATRIX_RANK_0_3_WR MC_CHANNEL_1_ODT_MATRIX_RANK_0_3_WR MC_CHANNEL_2_ODT_MATRIX_RANK_0_3_WR	74
2.10.22 MC_CHANNEL_0_ODT_MATRIX_RANK_4_7_WR MC_CHANNEL_1_ODT_MATRIX_RANK_4_7_WR MC_CHANNEL_2_ODT_MATRIX_RANK_4_7_WR	74
2.10.23 MC_CHANNEL_0_WAQ_PARAMS MC_CHANNEL_1_WAQ_PARAMS MC_CHANNEL_2_WAQ_PARAMS	75
2.10.24 MC_CHANNEL_0_SCHEDULER_PARAMS MC_CHANNEL_1_SCHEDULER_PARAMS MC_CHANNEL_2_SCHEDULER_PARAMS	76
2.10.25 MC_CHANNEL_0_MAINTENANCE_OPS MC_CHANNEL_1_MAINTENANCE_OPS MC_CHANNEL_2_MAINTENANCE_OPS	76
2.10.26 MC_CHANNEL_0_TX_BG_SETTINGS MC_CHANNEL_1_TX_BG_SETTINGS MC_CHANNEL_2_TX_BG_SETTINGS	77
2.10.27 MC_CHANNEL_0_RX_BGF_SETTINGS MC_CHANNEL_1_RX_BGF_SETTINGS MC_CHANNEL_2_RX_BGF_SETTINGS	77
2.10.28 MC_CHANNEL_0_EW_BGF_SETTINGS MC_CHANNEL_1_EW_BGF_SETTINGS MC_CHANNEL_2_EW_BGF_SETTINGS	78
2.10.29 MC_CHANNEL_0_EW_BGF_OFFSET_SETTINGS MC_CHANNEL_1_EW_BGF_OFFSET_SETTINGS MC_CHANNEL_2_EW_BGF_OFFSET_SETTINGS	78
2.10.30 MC_CHANNEL_0_ROUND_TRIP_LATENCY MC_CHANNEL_1_ROUND_TRIP_LATENCY MC_CHANNEL_2_ROUND_TRIP_LATENCY	78
2.10.31 MC_CHANNEL_0_PAGETABLE_PARAMS1 MC_CHANNEL_1_PAGETABLE_PARAMS1 MC_CHANNEL_2_PAGETABLE_PARAMS1	79
2.10.32 MC_CHANNEL_0_PAGETABLE_PARAMS2 MC_CHANNEL_1_PAGETABLE_PARAMS2 MC_CHANNEL_2_PAGETABLE_PARAMS2	79
2.10.33 MC_TX_BG_CMD_DATA_RATIO_SETTINGS_CH0 MC_TX_BG_CMD_DATA_RATIO_SETTINGS_CH1 MC_TX_BG_CMD_DATA_RATIO_SETTINGS_CH2	80
2.10.34 MC_TX_BG_CMD_OFFSET_SETTINGS_CH0 MC_TX_BG_CMD_OFFSET_SETTINGS_CH1 MC_TX_BG_CMD_OFFSET_SETTINGS_CH2	80
2.10.35 MC_TX_BG_DATA_OFFSET_SETTINGS_CH0 MC_TX_BG_DATA_OFFSET_SETTINGS_CH1 MC_TX_BG_DATA_OFFSET_SETTINGS_CH2	80
2.10.36 MC_CHANNEL_0_ADDR_MATCH MC_CHANNEL_1_ADDR_MATCH MC_CHANNEL_2_ADDR_MATCH	81
2.10.37 MC_CHANNEL_0_ECC_ERROR_MASK MC_CHANNEL_1_ECC_ERROR_MASK MC_CHANNEL_2_ECC_ERROR_MASK	82
2.10.38 MC_CHANNEL_0_ECC_ERROR_INJECT MC_CHANNEL_1_ECC_ERROR_INJECT MC_CHANNEL_2_ECC_ERROR_INJECT	82
2.10.39 Error Injection Implementation	83
2.11 Integrated Memory Controller Channel Address Registers	84
2.11.1 MC_DOD_CH0_0, MC_DOD_CH0_1, MC_DOD_CH0_2	84
2.11.2 MC_DOD_CH1_0, MC_DOD_CH1_1, MC_DOD_CH1_2	85
2.11.3 MC_DOD_CH2_0, MC_DOD_CH2_1, MC_DOD_CH2_2	86
2.11.4 MC_SAG_CH0_0, MC_SAG_CH0_1, MC_SAG_CH0_2 MC_SAG_CH0_3, MC_SAG_CH0_4, MC_SAG_CH0_5 MC_SAG_CH0_6, MC_SAG_CH0_7, MC_SAG_CH1_...	87
2.12 Integrated Memory Controller Channel Rank Registers	88
2.12.1 MC_RIR_LIMIT_CH0_0, MC_RIR_LIMIT_CH0_1 MC_RIR_LIMIT_CH0_2, MC_RIR_LIMIT_CH0_3 MC_RIR_LIMIT_CH0_4, MC_RIR_LIMIT_CH0_5 MC_R...	88
2.12.2 MC_RIR_WAY_CH0_0, MC_RIR_WAY_CH0_1 MC_RIR_WAY_CH0_2, MC_RIR_WAY_CH0_3 MC_RIR_WAY_CH0_4, MC_RIR_WAY_CH0_5 MC_RIR_WAY_CH0_6...	89
2.12.3 MC_RIR_WAY_CH1_0, MC_RIR_WAY_CH1_1 MC_RIR_WAY_CH1_2, MC_RIR_WAY_CH1_3 MC_RIR_WAY_CH1_4, MC_RIR_WAY_CH1_5 MC_RIR_WAY_CH1_6...	90
2.12.4 MC_RIR_WAY_CH2_0, MC_RIR_WAY_CH2_1 MC_RIR_WAY_CH2_2, MC_RIR_WAY_CH2_3 MC_RIR_WAY_CH2_4, MC_RIR_WAY_CH2_5 MC_RIR_WAY_CH2_6...	91
2.13 Memory Thermal Control	92
2.13.1 MC_THERMAL_CONTROL0 MC_THERMAL_CONTROL1 MC_THERMAL_CONTROL2	92
2.13.2 MC_THERMAL_STATUS0 MC_THERMAL_STATUS1 MC_THERMAL_STATUS2	92
2.13.3 MC_THERMAL_DEFEATURE0 MC_THERMAL_DEFEATURE1 MC_THERMAL_DEFEATURE2	93
2.13.4 MC_THERMAL_PARAMS_A0 MC_THERMAL_PARAMS_A1 MC_THERMAL_PARAMS_A2	93
2.13.5 MC_THERMAL_PARAMS_B0 MC_THERMAL_PARAMS_B1 MC_THERMAL_PARAMS_B2	94
2.13.6 MC_COOLING_COEF0 MC_COOLING_COEF1 MC_COOLING_COEF2	94
2.13.7 MC_CLOSED_LOOP0 MC_CLOSED_LOOP1 MC_CLOSED_LOOP2	95
2.13.8 MC_THROTTLE_OFFSET0 MC_THROTTLE_OFFSET1 MC_THROTTLE_OFFSET2	95
2.13.9 MC_RANK_VIRTUAL_TEMP0 MC_RANK_VIRTUAL_TEMP1 MC_RANK_VIRTUAL_TEMP2	96
2.13.10 MC_DDR_THERM_COMMAND0 MC_DDR_THERM_COMMAND1 MC_DDR_THERM_COMMAND2	96
2.13.11 MC_DDR_THERM_STATUS0 MC_DDR_THERM_STATUS1 MC_DDR_THERM_STATUS2	97
2.14 Integrated Memory Controller Miscellaneous Registers	97
2.14.1 MC_DIMM_CLK_RATIO_STATUS	97