| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * mnottn.c |
| * |
| * Northbridge Non-SPD timings for TN |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: (Mem/NB/TN) |
| * @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ |
| * |
| **/ |
| /***************************************************************************** |
| * |
| * Copyright 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved. |
| * |
| * AMD is granting you permission to use this software (the Materials) |
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| * |
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| * *************************************************************************** |
| * |
| */ |
| |
| /* |
| *---------------------------------------------------------------------------- |
| * MODULES USED |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| |
| |
| #include "AGESA.h" |
| #include "Ids.h" |
| #include "mm.h" |
| #include "mn.h" |
| #include "OptionMemory.h" |
| #include "mntn.h" |
| #include "mu.h" |
| #include "Filecode.h" |
| CODE_GROUP (G3_DXE) |
| RDATA_GROUP (G3_DXE) |
| |
| #define FILECODE PROC_MEM_NB_TN_MNOTTN_FILECODE |
| /*---------------------------------------------------------------------------- |
| * DEFINITIONS AND MACROS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------- |
| * TYPEDEFS AND STRUCTURES |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------- |
| * PROTOTYPES OF LOCAL FUNCTIONS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| #if 0 |
| UINT32 |
| STATIC |
| MemNGetODTDelaysTN ( |
| IN OUT MEM_NB_BLOCK *NBPtr |
| ); |
| #endif |
| |
| /*---------------------------------------------------------------------------- |
| * EXPORTED FUNCTIONS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| extern BUILD_OPT_CFG UserOptions; |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * |
| * This function sets the non-SPD timings |
| * |
| * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK |
| * |
| * @return TRUE - No fatal error occurs. |
| * @return FALSE - Fatal error occurs. |
| */ |
| |
| BOOLEAN |
| MemNOtherTimingTN ( |
| IN OUT MEM_NB_BLOCK *NBPtr |
| ) |
| { |
| UINT8 Dct; |
| IDS_HDT_CONSOLE (MEM_STATUS, "\nStart Programming of Non-SPD Timings.\n"); |
| for (Dct = 0; Dct < MAX_DCTS_PER_NODE_TN; Dct++) { |
| IDS_HDT_CONSOLE (MEM_STATUS, "\tDct %d\n", Dct); |
| MemNSwitchDCTNb (NBPtr, Dct); |
| if (NBPtr->DCTPtr->Timings.DctDimmValid > 0) { |
| MemNSetOtherTimingTN (NBPtr); |
| } |
| } |
| return (BOOLEAN) (NBPtr->MCTPtr->ErrCode < AGESA_FATAL); |
| } |
| |
| /*---------------------------------------------------------------------------- |
| * LOCAL FUNCTIONS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * |
| * This function sets the non-SPD timings in PCI registers |
| * |
| * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK |
| * |
| */ |
| |
| VOID |
| MemNSetOtherTimingTN ( |
| IN OUT MEM_NB_BLOCK *NBPtr |
| ) |
| { |
| INT8 ROD; |
| INT8 WOD; |
| INT8 LD; |
| INT8 WrEarlyx2; |
| INT8 CDDTrdrdSdDc; |
| INT8 CDDTrdrdDd; |
| INT8 CDDTwrwrDd; |
| INT8 CDDTwrwrSdDc; |
| INT8 CDDTrwtTO; |
| INT8 CDDTwrrd; |
| UINT8 TrdrdSdDc; |
| UINT8 TrdrdDd; |
| UINT8 TwrwrSdDc; |
| UINT8 TwrwrDd; |
| UINT8 TrdrdSdSc; |
| UINT8 TwrwrSdSc; |
| UINT8 Twrrd; |
| UINT8 TrwtTO; |
| BOOLEAN PerRankTimingEn; |
| |
| CH_DEF_STRUCT *ChannelPtr; |
| ChannelPtr = NBPtr->ChannelPtr; |
| |
| PerRankTimingEn = (BOOLEAN) (MemNGetBitFieldNb (NBPtr, BFPerRankTimingEn)); |
| // |
| // Latency Difference (LD) = Tcl - Tcwl |
| // |
| LD = (INT8) (MemNGetBitFieldNb (NBPtr, BFTcl)) - (INT8) (MemNGetBitFieldNb (NBPtr, BFTcwl)); |
| |
| // |
| // Read ODT Delay (ROD) = MAX ( 0, (RdOdtOnDuration - 6)) + MAX ( 0, (RdOdtTrnOnDly - LD)) |
| // |
| ROD = MAX (0, (INT8) (MemNGetBitFieldNb (NBPtr, BFRdOdtOnDuration) - 6)) + |
| MAX ( 0, (INT8) (MemNGetBitFieldNb (NBPtr, BFRdOdtTrnOnDly) - LD)); |
| // |
| // Write ODT Delay (WOD) = MAX (0, (WrOdtOnDuration - 6)) |
| // |
| WOD = MAX (0, (INT8) (MemNGetBitFieldNb (NBPtr, BFWrOdtOnDuration) - 6)); |
| // |
| // WrEarly = ABS (WrDqDqsEarly) / 2 |
| // |
| WrEarlyx2 = (INT8) MemNGetBitFieldNb (NBPtr, BFWrDqDqsEarly); |
| |
| IDS_HDT_CONSOLE (MEM_FLOW, "\t\tLD: %d ROD: %d WOD: %d WrEarlyx2: %d\n\n", LD, ROD, WOD, WrEarlyx2); |
| // |
| // Read to Read Timing (TrdrdSdSc, TrdrdScDc, TrdrdDd) |
| // |
| // TrdrdSdSc = 1. |
| // TrdrdSdDc (in MEMCLKs) = MAX(TrdrdSdSc, 3 + (IF (D18F2xA8_dct[1:0][PerRankTimingEn]) |
| // THEN CEIL(CDDTrdrdSdDc / 2 ) ELSE 0 ENDIF)). |
| // TrdrdDd = MAX(TrdrdSdDc, CEIL(MAX(ROD + 3, CDDTrdrdDd/2 + 3.5))) |
| // |
| TrdrdSdSc = 1; |
| |
| CDDTrdrdSdDc = (INT8) MemNCalcCDDNb (NBPtr, AccessRcvEnDly, AccessRcvEnDly, TRUE, FALSE); |
| TrdrdSdDc = MAX (0, PerRankTimingEn ? (3 + (CDDTrdrdSdDc + 1) / 2) : 3); |
| TrdrdSdDc = MAX (TrdrdSdSc, TrdrdSdDc); |
| |
| CDDTrdrdDd = (INT8) MemNCalcCDDNb (NBPtr, AccessRcvEnDly, AccessRcvEnDly, FALSE, TRUE); |
| TrdrdDd = MAX (ROD + 3, (CDDTrdrdDd + 7 + 1) / 2); |
| TrdrdDd = MAX (TrdrdSdDc, TrdrdDd); |
| |
| MemNSetBitFieldNb (NBPtr, BFTrdrdDd, (UINT32) TrdrdDd); |
| MemNSetBitFieldNb (NBPtr, BFTrdrdSdDc, (UINT32) TrdrdSdDc); |
| MemNSetBitFieldNb (NBPtr, BFTrdrdSdSc, (UINT32) TrdrdSdSc); |
| // |
| // Write to Write Timing (TwrwrSdSc, TwrwrScDc, TwrwrDd) |
| // |
| // TwrwrSdSc = 1. |
| // TwrwrSdDc = CEIL(MAX(WOD + 3, CDDTwrwrSdDc / 2 + |
| // (IF (D18F2xA8_dct[1:0][PerRankTimingEn]) THEN 3.5 ELSE 3 ENDIF))). |
| // |
| // TwrwrDd = CEIL (MAX (WOD + 3, CDDTwrwrDd / 2 + 3.5)) |
| // TwrwrSdSc <= TwrwrSdDc <= TwrwrDd |
| // |
| TwrwrSdSc = 1; |
| |
| CDDTwrwrSdDc = (INT8) MemNCalcCDDNb (NBPtr, AccessWrDqsDly, AccessWrDqsDly, TRUE, FALSE); |
| TwrwrSdDc = (UINT8) MAX (WOD + 3, (CDDTwrwrSdDc + (PerRankTimingEn ? 7 : 6) + 1 ) / 2); |
| |
| CDDTwrwrDd = (INT8) MemNCalcCDDNb (NBPtr, AccessWrDqsDly, AccessWrDqsDly, FALSE, TRUE); |
| TwrwrDd = (UINT8) MAX ((UINT8) (WOD + 3), (CDDTwrwrDd + 7 + 1) / 2); |
| |
| TwrwrSdDc = (TwrwrSdSc <= TwrwrSdDc) ? TwrwrSdDc : TwrwrSdSc; |
| TwrwrDd = (TwrwrSdDc <= TwrwrDd) ? TwrwrDd : TwrwrSdDc; |
| |
| MemNSetBitFieldNb (NBPtr, BFTwrwrDd, (UINT32) TwrwrDd); |
| MemNSetBitFieldNb (NBPtr, BFTwrwrSdDc, (UINT32) TwrwrSdDc); |
| MemNSetBitFieldNb (NBPtr, BFTwrwrSdSc, (UINT32) TwrwrSdSc); |
| // |
| // Write to Read DIMM Termination Turn-around |
| // |
| // Twrrd = MAX ( 1, CEIL (MAX (WOD, (CDDTwrrd / 2) + 0.5 - WrEarly) - LD + 3)) |
| // |
| CDDTwrrd = (INT8) MemNCalcCDDNb (NBPtr, AccessWrDqsDly, AccessRcvEnDly, TRUE, TRUE); |
| Twrrd = MAX (1, MAX (WOD, (CDDTwrrd + 1 - WrEarlyx2 + 1) / 2) - LD + 3); |
| |
| MemNSetBitFieldNb (NBPtr, BFTwrrd, (UINT32) Twrrd); |
| // |
| // Read to Write Turnaround for Data, DQS Contention |
| // |
| // TrwtTO = CEIL (MAX (ROD, (CDDTrwtTO / 2) - 0.5 + WrEarly) + LD + 3) |
| // |
| CDDTrwtTO = (INT8) MemNCalcCDDNb (NBPtr, AccessRcvEnDly, AccessWrDqsDly, TRUE, TRUE); |
| |
| TrwtTO = MAX ((ChannelPtr->Dimms == 1 ? 0 : ROD) , (CDDTrwtTO - 1 + WrEarlyx2 + 1) / 2) + LD + 3; |
| |
| MemNSetBitFieldNb (NBPtr, BFTrwtTO, (UINT32) TrwtTO); |
| // |
| // Read to Write Turnaround for opportunistic Write Bursting |
| // |
| // TrwtWB = TrwtTO + 1 |
| // |
| MemNSetBitFieldNb (NBPtr, BFTrwtWB, (UINT32) TrwtTO + 1); |
| |
| IDS_HDT_CONSOLE (MEM_FLOW, "\t\t TrdrdSdSc : %02x\n", TrdrdSdSc); |
| IDS_HDT_CONSOLE (MEM_FLOW, "\t\tCDDTrdrdSdDc : %02x TrdrdSdDc : %02x\n", CDDTrdrdSdDc, TrdrdSdDc); |
| IDS_HDT_CONSOLE (MEM_FLOW, "\t\tCDDTrdrdDd : %02x TrdrdDd : %02x\n\n", CDDTrdrdDd, TrdrdDd); |
| |
| IDS_HDT_CONSOLE (MEM_FLOW, "\t\t TwrwrSdSc : %02x\n", TwrwrSdSc); |
| IDS_HDT_CONSOLE (MEM_FLOW, "\t\tCDDTwrwrSdDc : %02x TwrwrSdDc : %02x\n", CDDTwrwrSdDc, TwrwrSdDc ); |
| IDS_HDT_CONSOLE (MEM_FLOW, "\t\tCDDTwrwrDd : %02x TwrwrDd : %02x\n\n", CDDTwrwrDd, TwrwrDd); |
| |
| IDS_HDT_CONSOLE (MEM_FLOW, "\t\t TrwtWB : %02x\n", TrwtTO + 1); |
| IDS_HDT_CONSOLE (MEM_FLOW, "\t\tCDDTwrrd : %02x Twrrd : %02x\n", (UINT8) CDDTwrrd, (UINT8) Twrrd ); |
| IDS_HDT_CONSOLE (MEM_FLOW, "\t\tCDDTrwtTO : %02x TrwtTO : %02x\n\n", (UINT8) CDDTrwtTO, (UINT8) TrwtTO ); |
| } |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * |
| * This function gets the ODT delays |
| * |
| * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK |
| * |
| */ |
| #if 0 |
| UINT32 |
| STATIC |
| MemNGetODTDelaysTN ( |
| IN OUT MEM_NB_BLOCK *NBPtr |
| ) |
| { |
| INT8 Ld; |
| UINT32 ODTDelays; |
| // |
| // The BIOS must additionally configure the ODT pattern |
| // and the ODT switching delays. |
| // |
| // Program F2x[1, 0]9C_x83 DRAM Phy ODT Assertion Control Register based on Burst length. |
| // -Read the Burst Length from F2x[1, 0]84[BurstCtrl]. |
| // -Value of 2, BL = 4 else assume BL=8. |
| // -Initialize ODTDelays based on BL value |
| // -WrOdtOnDuration [14:12] = BL / 2 + 1 |
| // -WrOdtTrnOnDly [10:8] = 0 |
| // -RdOdtOnDuration [6:4] = BL / 2 + 1 |
| // |
| ODTDelays = (MemNGetBitFieldNb (NBPtr, BFBurstCtrl) == 2) ? 0x00003030 : 0x00005050; |
| |
| // RdOdtTrnOnDly [3:0] < (CL-CWL) or (CL-CWL - 1) |
| // See BKDG F2x[1, 0]9C_x83 DRAM Phy ODT Assertion Control Register [3:0] |
| Ld = ((INT8)MemNGetBitFieldNb (NBPtr, BFTcl) + 1) - ((INT8)MemNGetBitFieldNb (NBPtr, BFTcwl) + 5); |
| if (Ld < 0) { |
| Ld = 0; |
| } |
| if (Ld > 7) { |
| Ld = 7; |
| } |
| ODTDelays += Ld; |
| return ODTDelays; |
| } |
| #endif |