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Diffstat (limited to 'src/vendorcode/amd/agesa/f10/Proc/Mem/NB/mnfeat.c')
| -rwxr-xr-x | src/vendorcode/amd/agesa/f10/Proc/Mem/NB/mnfeat.c | 560 |
1 files changed, 560 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f10/Proc/Mem/NB/mnfeat.c b/src/vendorcode/amd/agesa/f10/Proc/Mem/NB/mnfeat.c new file mode 100755 index 0000000000..1b462a996d --- /dev/null +++ b/src/vendorcode/amd/agesa/f10/Proc/Mem/NB/mnfeat.c @@ -0,0 +1,560 @@ +/** + * @file + * + * mnfeat.c + * + * Common Northbridge features + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: (Mem/NB) + * @e \$Revision: 7081 $ @e \$Date: 2008-07-31 01:47:27 -0500 (Thu, 31 Jul 2008) $ + * + **/ +/***************************************************************************** +* +* Copyright (c) 2011, Advanced Micro Devices, Inc. +* All rights reserved. +* +* Redistribution and use in source and binary forms, with or without +* modification, are permitted provided that the following conditions are met: +* * Redistributions of source code must retain the above copyright +* notice, this list of conditions and the following disclaimer. +* * Redistributions in binary form must reproduce the above copyright +* notice, this list of conditions and the following disclaimer in the +* documentation and/or other materials provided with the distribution. +* * Neither the name of Advanced Micro Devices, Inc. nor the names of +* its contributors may be used to endorse or promote products derived +* from this software without specific prior written permission. +* +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +* DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY +* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +* +* *************************************************************************** +* +*/ + +/* + *---------------------------------------------------------------------------- + * MODULES USED + * + *---------------------------------------------------------------------------- + */ + +#include "AGESA.h" +#include "AdvancedApi.h" +#include "amdlib.h" +#include "Ids.h" +#include "OptionMemory.h" +#include "mm.h" +#include "mn.h" +#include "mu.h" +#include "Filecode.h" +#define FILECODE PROC_MEM_NB_MNFEAT_FILECODE +/*---------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *---------------------------------------------------------------------------- + */ +#define MAX_CL_CONT_READ 32 +#define MAX_CL_CONT_WRITE 32 + +/*---------------------------------------------------------------------------- + * TYPEDEFS AND STRUCTURES + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * PROTOTYPES OF LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +VOID +STATIC +MemNContWritePatternNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN UINT32 Address, + IN UINT8 Pattern[], + IN UINT16 ClCount + ); + +VOID +STATIC +MemNContReadPatternNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN UINT8 Buffer[], + IN UINT32 Address, + IN UINT16 ClCount + ); + +VOID +STATIC +MemNGenHwRcvEnReadsNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN UINT32 Address + ); + +UINT16 +STATIC +MemNCompareTestPatternClientNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN UINT8 Buffer[], + IN UINT8 Pattern[], + IN UINT16 ByteCount + ); + +UINT16 +STATIC +MemNInsDlyCompareTestPatternClientNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN UINT8 Buffer[], + IN UINT8 Pattern[], + IN UINT16 ByteCount + ); + +VOID +STATIC +MemNContWritePatternClientNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN UINT32 Address, + IN UINT8 Pattern[], + IN UINT16 ClCount + ); + +VOID +STATIC +MemNContReadPatternClientNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN UINT8 Buffer[], + IN UINT32 Address, + IN UINT16 ClCount + ); + +VOID +STATIC +MemNGenHwRcvEnReadsClientNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN UINT32 Address + ); +/*---------------------------------------------------------------------------- + * EXPORTED FUNCTIONS + * + *---------------------------------------------------------------------------- + */ +VOID +MemNInitCPGClientNb ( + IN OUT MEM_NB_BLOCK *NBPtr + ); + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function assigns read/write function pointers to CPG read/write modules. + * + * @param[in,out] NBPtr - Pointer to the MEM_NB_BLOCK + * + */ +VOID +MemNInitCPGNb ( + IN OUT MEM_NB_BLOCK *NBPtr + ); +VOID +MemNInitCPGNb ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + NBPtr->WritePattern = MemNContWritePatternNb; + NBPtr->ReadPattern = MemNContReadPatternNb; + NBPtr->GenHwRcvEnReads = MemNGenHwRcvEnReadsNb; +} + +/*---------------------------------------------------------------------------- + * LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function writes 9 or 18 cache lines continuously using GH CPG engine + * + * @param[in,out] NBPtr - Pointer to the MEM_NB_BLOCK + * @param[in] Pattern - Array of bytes that will be written to DRAM + * @param[in] Address - System Address [47:16] + * @param[in] ClCount - Number of cache lines + * + */ +VOID +STATIC +MemNContWritePatternNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN UINT32 Address, + IN UINT8 Pattern[], + IN UINT16 ClCount + ) +{ + UINT16 ClDiff; + if (ClCount > MAX_CL_CONT_WRITE) { + ClDiff = ClCount - MAX_CL_CONT_WRITE; + ClCount = MAX_CL_CONT_WRITE; + } else { + ClDiff = 0; + } + + // Set F2x11C[MctWrLimit] to desired number of cachelines in the burst. + MemNSetBitFieldNb (NBPtr, BFMctWrLimit, MAX_CL_CONT_WRITE - ClCount); + + // Issue the stream of writes. When F2x11C[MctWrLimit] is reached (or when F2x11C[FlushWr] is set + // again), all the writes are written to DRAM. + Address = MemUSetUpperFSbase (Address, NBPtr->MemPtr); + MemUWriteCachelines (Address, Pattern, ClCount); + + // Flush out prior writes by setting F2x11C[FlushWr]. + MemNSetBitFieldNb (NBPtr, BFFlushWr, 1); + // Wait for F2x11C[FlushWr] to clear, indicating prior writes have been flushed. + while (MemNGetBitFieldNb (NBPtr, BFFlushWr) != 0) {} + + // Set F2x11C[MctWrLimit] to 1Fh to disable write bursting. + MemNSetBitFieldNb (NBPtr, BFMctWrLimit, 0x1F); + + if (ClDiff > 0) { + MemNContWritePatternNb (NBPtr, Address + (MAX_CL_CONT_WRITE * 64), Pattern + (MAX_CL_CONT_WRITE * 64), ClDiff); + } +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * This function reads 9 or 18 cache lines continuously using GH CPG engine + * + * @param[in,out] NBPtr - Pointer to the MEM_NB_BLOCK + * @param[in,out] Buffer - Array of bytes to be filled with data read from DRAM + * @param[in] Address - System Address [47:16] + * @param[in] ClCount - Number of cache lines + * + */ + +VOID +STATIC +MemNContReadPatternNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN UINT8 Buffer[], + IN UINT32 Address, + IN UINT16 ClCount + ) +{ + BOOLEAN DisAutoRefresh; + UINT16 ClDiff; + if (ClCount > MAX_CL_CONT_READ) { + ClDiff = ClCount - MAX_CL_CONT_READ; + ClCount = MAX_CL_CONT_READ; + } else { + ClDiff = 0; + } + + Address = MemUSetUpperFSbase (Address, NBPtr->MemPtr); + + // 1. BIOS ensures that the only accesses outstanding to the MCT are training reads. + // 2. If F2x[1, 0]90[BurstLength32]=1, then BIOS ensures that the DCTs and DRAMs are configured for 64 + // byte bursts (8-beat burst length). This requires that BIOS issue MRS commands to the devices + // to change to an 8-beat burst length and then to restore the desired burst length after training + // is complete. + + if (MemNGetBitFieldNb (NBPtr, BFDisAutoRefresh) == 0) { + DisAutoRefresh = FALSE; + // 3. BIOS programs F2x[1, 0]90[ForceAutoPchg] = 0 and F2x[1, 0]8C[DisAutoRefresh] = 1. + // 4. If necessary, BIOS programs F2x[1, 0]78[EarlyArbEn] = 1 at this time. See register description. + MemNSetBitFieldNb (NBPtr, BFDisAutoRefresh, 1); + // MemNSetBitFieldNb (NBPtr, BFForceAutoPchg, 0); // ForceAutoPchg is 0 by default. + MemNSetBitFieldNb (NBPtr, BFZqcsInterval, 0); + } else { + DisAutoRefresh = TRUE; + } + + MemNSetBitFieldNb (NBPtr, BFPrefCpuDis, 0); + + // 5. BIOS sets F2x11C[MctPrefReqLimit] to the number of training reads (Ntrain) it wishes to generate in the + // training sequence. + MemNSetBitFieldNb (NBPtr, BFMctPrefReqLimit, ClCount - 1); + + // 6. BIOS sets F2x11C[PrefDramTrainMode] bit. + // 7. The act of setting F2x11C[PrefDramTrainMode] causes the MCT to flush out the prefetch stride predictor + // table (removing any existing prefetch stride patterns). + MemNSetBitFieldNb (NBPtr, BFPrefDramTrainMode, 1); + + // 8. BIOS issues an SFENCE (or other serializing instruction) to ensure that the prior write completes. + // 9. For revision C and earlier processors, BIOS generates two training reads. For revision D processors BIOS + // generates three training reads. Three are required to detect the stride with DCQ buddy enabled. These must + // be to consecutive cache lines (i.e. 64 bytes apart) and must not cross a naturally aligned 4 Kbyte boundary. + // 10. These reads set up a stride pattern which is detected by the prefetcher. The prefetcher then continues to + // issue prefetches until F2x11C[MctPrefReqLimit] is reached, at which point the MCT clears + // F2x11C[PrefDramTrainMode]. + MemUDummyCLRead (Address); + MemUDummyCLRead (Address + 0x40); + if (NBPtr->IsSupported[CheckDummyCLRead]) { + MemUDummyCLRead (Address + 0x80); + } + // 11. BIOS issues the remaining (Ntrain - 2 for revisions C and earlier or Ntrain - 3 for revision D) reads after + // checking that F2x11C[PrefDramTrainMode] is cleared. These reads must be to consecutive cache lines + // (i.e., 64 bytes apart) and must not cross a naturally aligned 4KB boundary. These reads hit the prefetches + // and read the data from the prefetch buffer. + while (MemNGetBitFieldNb (NBPtr, BFPrefDramTrainMode) != 0) {} + MemUReadCachelines (Buffer, Address, ClCount); + + // 14. BIOS restores the target values for F2x[1, 0]90[ForceAutoPchg], F2x[1, 0]8C[DisAutoRefresh] and + // F2x[1, 0]90[BurstLength32]. + if (!DisAutoRefresh) { + MemNSetBitFieldNb (NBPtr, BFDisAutoRefresh, 0); + MemNSetBitFieldNb (NBPtr, BFZqcsInterval, 2); + } + + if (ClDiff > 0) { + MemNContReadPatternNb (NBPtr, Buffer + (MAX_CL_CONT_READ * 64), Address + (MAX_CL_CONT_READ * 64), ClDiff); + } +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * This function generates a continuous burst of reads during HW RcvEn training. + * + * @param[in,out] NBPtr - Pointer to the MEM_NB_BLOCK + * @param[in] Address - System Address [47:16] + * + */ +VOID +STATIC +MemNGenHwRcvEnReadsNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN UINT32 Address + ) +{ + UINT8 TempBuffer[12 * 64]; + UINT8 BurstCount; + + for (BurstCount = 0; BurstCount < 10; BurstCount++) { + NBPtr->ReadPattern (NBPtr, TempBuffer, Address, 12); + NBPtr->FlushPattern (NBPtr, Address, 12); + } +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function writes cache lines continuously using TCB CPG engine + * + * @param[in,out] NBPtr - Pointer to the MEM_NB_BLOCK + * @param[in] Pattern - Array of bytes that will be written to DRAM + * @param[in] Address - System Address [47:16] + * @param[in] ClCount - Number of cache lines + * + */ +VOID +STATIC +MemNContWritePatternClientNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN UINT32 Address, + IN UINT8 Pattern[], + IN UINT16 ClCount + ) +{ + UINT32 PatternHash; + UINT32 *DwordPtr; + UINT16 i; + + // 1. Program D18F2x1C0[WrDramTrainMode]=1. + MemNSetBitFieldNb (NBPtr, BFWrDramTrainMode, 1); + + PatternHash = (ClCount << 24) | (Pattern[9] << 16) | (Pattern[64 + 9] << 8) | Pattern[2 * 64 + 9]; + if (NBPtr->CPGInit != PatternHash) { + // If write training buffer has not been initialized, initialize it + // 2. Program D18F2x1C0[TrainLength] to the appropriate number of cache lines. + MemNSetBitFieldNb (NBPtr, BFTrainLength, ClCount); + + // 3. Program D18F2x1D0[WrTrainBufAddr]=000h. + MemNSetBitFieldNb (NBPtr, BFWrTrainBufAddr, 0); + + // 4. Successively write each dword of the training pattern to D18F2x1D4. + DwordPtr = (UINT32 *) Pattern; + for (i = 0; i < (ClCount * 16); i++) { + MemNSetBitFieldNb (NBPtr, BFWrTrainBufDat, DwordPtr[i]); + } + + NBPtr->CPGInit = PatternHash; + } + + // 5. Program D18F2x1D0[WrTrainBufAddr]=000h + MemNSetBitFieldNb (NBPtr, BFWrTrainBufAddr, 0); + + // 6. Program the DRAM training address + MemNSetBitFieldNb (NBPtr, BFWrTrainAdrPtrLo, Address << (16 - 6)); + MemNSetBitFieldNb (NBPtr, BFWrTrainAdrPtrHi, (Address >> (38 - 16)) & 3); + + // 7. Program D18F2x1C0[WrTrainGo]=1. + MemNSetBitFieldNb (NBPtr, BFWrTrainGo, 1); + + // 8. Wait for D18F2x1C0[WrTrainGo]=0. + while (MemNGetBitFieldNb (NBPtr, BFWrTrainGo) != 0) {} + + // 9. Program D18F2x1C0[WrDramTrainMode]=0. + MemNSetBitFieldNb (NBPtr, BFWrDramTrainMode, 0); +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * This function reads cache lines continuously using TCB CPG engine + * + * @param[in,out] NBPtr - Pointer to the MEM_NB_BLOCK + * @param[in,out] Buffer - Array of bytes to be filled with data read from DRAM + * @param[in] Address - System Address [47:16] + * @param[in] ClCount - Number of cache lines + * + */ + +VOID +STATIC +MemNContReadPatternClientNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN UINT8 Buffer[], + IN UINT32 Address, + IN UINT16 ClCount + ) +{ + // 1. Program D18F2x1C0[RdDramTrainMode]=1. + MemNSetBitFieldNb (NBPtr, BFRdDramTrainMode, 1); + + // 2. Program D18F2x1C0[TrainLength] to the appropriate number of cache lines. + MemNSetBitFieldNb (NBPtr, BFTrainLength, ClCount); + + // 3. Program the DRAM training address as follows: + MemNSetBitFieldNb (NBPtr, BFWrTrainAdrPtrLo, Address << (16 - 6)); + MemNSetBitFieldNb (NBPtr, BFWrTrainAdrPtrHi, (Address >> (38 - 16)) & 3); + + // 4. Program D18F2x1D0[WrTrainBufAddr]=000h + MemNSetBitFieldNb (NBPtr, BFWrTrainBufAddr, 0); + + // 5. Program D18F2x1C0[RdTrainGo]=1. + MemNSetBitFieldNb (NBPtr, BFRdTrainGo, 1); + + // 6. Wait for D18F2x1C0[RdTrainGo]=0. + while (MemNGetBitFieldNb (NBPtr, BFRdTrainGo) != 0) {} + + // 7. Read D18F2x1E8[TrainCmpSts] and D18F2x1E8[TrainCmpSts2]. + // This step will be accomplished in Compare routine. + + // 8. Program D18F2x1C0[RdDramTrainMode]=0. + MemNSetBitFieldNb (NBPtr, BFRdDramTrainMode, 0); +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * This function generates a continuous burst of reads during HW RcvEn training. + * + * @param[in,out] NBPtr - Pointer to the MEM_NB_BLOCK + * @param[in] Address - System Address [47:16] + * + */ +VOID +STATIC +MemNGenHwRcvEnReadsClientNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN UINT32 Address + ) +{ + UINT8 TempBuffer[64]; + UINT8 Count; + + for (Count = 0; Count < 3; Count++) { + NBPtr->ReadPattern (NBPtr, TempBuffer, Address, 64); + } +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function assigns read/write function pointers to CPG read/write modules. + * + * @param[in,out] NBPtr - Pointer to the MEM_NB_BLOCK + * + */ +VOID +MemNInitCPGClientNb ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + NBPtr->WritePattern = MemNContWritePatternClientNb; + NBPtr->ReadPattern = MemNContReadPatternClientNb; + NBPtr->GenHwRcvEnReads = MemNGenHwRcvEnReadsClientNb; + NBPtr->FlushPattern = (VOID (*) (MEM_NB_BLOCK *, UINT32, UINT16)) memDefRet; + NBPtr->CompareTestPattern = MemNCompareTestPatternClientNb; + NBPtr->InsDlyCompareTestPattern = MemNInsDlyCompareTestPatternClientNb; + NBPtr->CPGInit = 0; +} + +/* -----------------------------------------------------------------------------*/ +/** + * + * This function compares test pattern with data in buffer and + * return a pass/fail bitmap for 8 bytelanes (upper 8 bits are reserved) + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * @param[in] Buffer[] - Buffer data from DRAM (Measured data from DRAM) to compare + * @param[in] Pattern[] - Pattern (Expected data in ROM/CACHE) to compare against + * @param[in] ByteCount - Byte count + * + * @return PASS - Bitmap of results of comparison + */ + +UINT16 +STATIC +MemNCompareTestPatternClientNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN UINT8 Buffer[], + IN UINT8 Pattern[], + IN UINT16 ByteCount + ) +{ + return ~((UINT16) MemNGetBitFieldNb (NBPtr, BFTrainCmpSts)); +} + +/*-----------------------------------------------------------------------------*/ +/** + * + * This function compares test pattern with data in buffer and + * return a pass/fail bitmap for 8 bytelanes (upper 8 bits are reserved) + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * @param[in] Buffer[] - Buffer data from DRAM (Measured data from DRAM) to compare + * @param[in] Pattern[] - Pattern (Expected data in ROM/CACHE) to compare against + * @param[in] ByteCount - Byte count + * + * @retval Bitmap of results of comparison + */ +UINT16 +STATIC +MemNInsDlyCompareTestPatternClientNb ( + IN OUT MEM_NB_BLOCK *NBPtr, + IN UINT8 Buffer[], + IN UINT8 Pattern[], + IN UINT16 ByteCount + ) +{ + return ~((UINT16) MemNGetBitFieldNb (NBPtr, BFTrainCmpSts2)); +}
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