| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * mnmctkb.c |
| * |
| * Northbridge KB MCT supporting functions |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: (Mem/NB/KB) |
| * @e \$Revision: 87696 $ @e \$Date: 2013-02-07 12:35:03 -0600 (Thu, 07 Feb 2013) $ |
| * |
| **/ |
| /***************************************************************************** |
| * |
| * Copyright (c) 2008 - 2013, 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 "amdlib.h" |
| #include "Ids.h" |
| #include "mport.h" |
| #include "Gnb.h" |
| #include "GnbPcie.h" |
| #include "GnbHandleLib.h" |
| #include "GnbRegistersKB.h" |
| #include "GnbRegisterAccKB.h" |
| #include "mm.h" |
| #include "mn.h" |
| #include "OptionMemory.h" |
| #include "mnkb.h" |
| #include "cpuFeatures.h" |
| #include "Filecode.h" |
| #include "mftds.h" |
| #include "mu.h" |
| CODE_GROUP (G3_DXE) |
| RDATA_GROUP (G3_DXE) |
| |
| |
| #define FILECODE PROC_MEM_NB_KB_MNMCTKB_FILECODE |
| /*---------------------------------------------------------------------------- |
| * DEFINITIONS AND MACROS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| #define _16MB_RJ16 0x0100 |
| /*---------------------------------------------------------------------------- |
| * TYPEDEFS AND STRUCTURES |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------- |
| * PROTOTYPES OF LOCAL FUNCTIONS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| |
| /*---------------------------------------------------------------------------- |
| * EXPORTED FUNCTIONS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| extern BUILD_OPT_CFG UserOptions; |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * |
| * This function force memory Pstate to M0 |
| * |
| * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK |
| * |
| * @return TRUE - No fatal error occurs. |
| * @return FALSE - Fatal error occurs. |
| */ |
| |
| BOOLEAN |
| MemNInitializeMctKB ( |
| IN OUT MEM_NB_BLOCK *NBPtr |
| ) |
| { |
| MemNSetBitFieldNb (NBPtr, BFMemPsSel, 0); |
| MemNSetBitFieldNb (NBPtr, BFEnSplitMctDatBuffers, 1); |
| |
| MemNBrdcstSetUnConditionalNb (NBPtr, BFPStateToAccess, 0); |
| |
| MemNForcePhyToM0Unb (NBPtr); |
| |
| return (BOOLEAN) (NBPtr->MCTPtr->ErrCode < AGESA_FATAL); |
| } |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * |
| * This function sets final values for specific registers. |
| * |
| * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK |
| * |
| * @return TRUE - No fatal error occurs. |
| * @return FALSE - Fatal error occurs. |
| */ |
| |
| BOOLEAN |
| MemNFinalizeMctKB ( |
| IN OUT MEM_NB_BLOCK *NBPtr |
| ) |
| { |
| MEM_DATA_STRUCT *MemPtr; |
| MEM_PARAMETER_STRUCT *RefPtr; |
| DRAM_PREFETCH_MODE DramPrefetchMode; |
| UINT16 Speed; |
| UINT32 Value32; |
| UINT8 DcqBwThrotWm1; |
| UINT8 DcqBwThrotWm2; |
| |
| MemPtr = NBPtr->MemPtr; |
| RefPtr = MemPtr->ParameterListPtr; |
| DramPrefetchMode = MemPtr->PlatFormConfig->PlatformProfile.AdvancedPerformanceProfile.DramPrefetchMode; |
| Speed = NBPtr->DCTPtr->Timings.Speed; |
| |
| // |
| // F2x11C |
| // |
| MemNSetBitFieldNb (NBPtr, BFMctCfgHiReg, 0x0CE00F30); |
| if (DramPrefetchMode == DISABLE_DRAM_PREFETCH_FOR_IO || DramPrefetchMode == DISABLE_DRAM_PREFETCHER) { |
| MemNSetBitFieldNb (NBPtr, BFPrefIoDis, 1); |
| } |
| |
| if (DramPrefetchMode == DISABLE_DRAM_PREFETCH_FOR_CPU || DramPrefetchMode == DISABLE_DRAM_PREFETCHER) { |
| MemNSetBitFieldNb (NBPtr, BFPrefCpuDis, 1); |
| } |
| |
| |
| if (Speed == DDR667_FREQUENCY) { |
| DcqBwThrotWm1 = 3; |
| DcqBwThrotWm2 = 4; |
| } else if (Speed == DDR800_FREQUENCY) { |
| DcqBwThrotWm1 = 3; |
| DcqBwThrotWm2 = 5; |
| } else if (Speed == DDR1066_FREQUENCY) { |
| DcqBwThrotWm1 = 4; |
| DcqBwThrotWm2 = 6; |
| } else if (Speed == DDR1333_FREQUENCY) { |
| DcqBwThrotWm1 = 5; |
| DcqBwThrotWm2 = 8; |
| } else if (Speed == DDR1600_FREQUENCY) { |
| DcqBwThrotWm1 = 6; |
| DcqBwThrotWm2 = 9; |
| } else if (Speed == DDR1866_FREQUENCY) { |
| DcqBwThrotWm1 = 7; |
| DcqBwThrotWm2 = 10; |
| } else { |
| DcqBwThrotWm1 = 8; |
| DcqBwThrotWm2 = 12; |
| } |
| // |
| // F2x1B0 |
| // |
| Value32 = MemNGetBitFieldNb (NBPtr, BFExtMctCfgLoReg); |
| Value32 &= 0x003FE8C0; |
| Value32 |= 0x0FC01001; |
| MemNSetBitFieldNb (NBPtr, BFExtMctCfgLoReg, Value32); |
| |
| // |
| // F2x1B4 |
| // |
| Value32 = MemNGetBitFieldNb (NBPtr, BFExtMctCfgHiReg); |
| Value32 &= 0xFFFFFC00; |
| Value32 |= (((UINT32) DcqBwThrotWm2 << 5) | (UINT32) DcqBwThrotWm1); |
| MemNSetBitFieldNb (NBPtr, BFExtMctCfgHiReg, Value32); |
| |
| // Set LockDramCfg |
| if (IsFeatureEnabled (C6Cstate, NBPtr->MemPtr->PlatFormConfig, &(NBPtr->MemPtr->StdHeader))) { |
| IDS_SKIP_HOOK (IDS_LOCK_DRAM_CFG, NBPtr, &NBPtr->MemPtr->StdHeader) { |
| MemNSetBitFieldNb (NBPtr, BFLockDramCfg, 1); |
| } |
| } |
| |
| return (BOOLEAN) (NBPtr->MCTPtr->ErrCode < AGESA_FATAL); |
| } |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * This function create the HT memory map for KB |
| * |
| * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK |
| * |
| * @return TRUE - No fatal error occurs. |
| * @return FALSE - Fatal error occurs. |
| */ |
| |
| BOOLEAN |
| MemNHtMemMapInitKB ( |
| IN OUT MEM_NB_BLOCK *NBPtr |
| ) |
| { |
| UINT8 WeReMask; |
| UINT8 LgcyMmioHoleEn; |
| UINT32 BottomIo; |
| UINT32 HoleOffset; |
| UINT32 DctLimitAddr; |
| UINT32 NodeSysBase; |
| UINT32 NodeSysLimit; |
| MEM_PARAMETER_STRUCT *RefPtr; |
| DIE_STRUCT *MCTPtr; |
| |
| RefPtr = NBPtr->RefPtr; |
| MCTPtr = NBPtr->MCTPtr; |
| // |
| // Physical addresses in this function are right adjusted by 16 bits ([47:16]) |
| // They are BottomIO, HoleOffset, DctLimitAddr, NodeSysBase, NodeSysLimit. |
| // |
| |
| // Enforce bottom of IO be be 128MB aligned |
| BottomIo = (RefPtr->BottomIo & 0xF8) << 8; |
| |
| if (MCTPtr->NodeMemSize != 0) { |
| NodeSysBase = 0; |
| NodeSysLimit = MCTPtr->NodeMemSize - 1; |
| DctLimitAddr = MCTPtr->DctData[0].Timings.DctMemSize; |
| LgcyMmioHoleEn = 0; |
| |
| if (NodeSysLimit >= BottomIo) { |
| // HW Dram Remap |
| MCTPtr->Status[SbHWHole] = TRUE; |
| RefPtr->GStatus[GsbHWHole] = TRUE; |
| MCTPtr->NodeHoleBase = BottomIo; |
| RefPtr->HoleBase = BottomIo; |
| |
| HoleOffset = _4GB_RJ16 - BottomIo; |
| |
| NodeSysLimit += HoleOffset; |
| |
| if ((DctLimitAddr > 0) && (DctLimitAddr < BottomIo)) { |
| HoleOffset += DctLimitAddr; |
| } else { |
| if (DctLimitAddr >= BottomIo) { |
| DctLimitAddr += HoleOffset; |
| } |
| HoleOffset += NodeSysBase; |
| LgcyMmioHoleEn = 1; |
| } |
| |
| MemNSetBitFieldNb (NBPtr, BFDramHoleBase, BottomIo >> 8); |
| MemNSetBitFieldNb (NBPtr, BFDramHoleOffset, HoleOffset >> 7); |
| MemNSetBitFieldNb (NBPtr, BFDramHoleValid, 1); |
| MemNSetBitFieldNb (NBPtr, BFDramMemHoistValid, 1); |
| } else { |
| // No Remapping. Normal Contiguous mapping |
| } |
| MCTPtr->NodeSysBase = NodeSysBase; |
| MCTPtr->NodeSysLimit = NodeSysLimit; |
| RefPtr->SysLimit = MCTPtr->NodeSysLimit; |
| |
| WeReMask = 3; |
| // Set the Dram base and set the WE and RE flags in the base. |
| MemNSetBitFieldNb (NBPtr, BFDramBaseReg0, (NodeSysBase << 8) | WeReMask); |
| // Set the Dram limit and set DstNode. |
| MemNSetBitFieldNb (NBPtr, BFDramLimitReg0, ((NodeSysLimit << 8) & 0xFFFF0000)); |
| |
| MemNSetBitFieldNb (NBPtr, BFDramBaseAddr, NodeSysBase >> (27 - 16)); |
| MemNSetBitFieldNb (NBPtr, BFDramLimitAddr, NodeSysLimit >> (27 - 16)); |
| |
| MemNSetBitFieldNb (NBPtr, BFDramCtrlBaseReg0, 1); |
| MemNSetBitFieldNb (NBPtr, BFLgcyMmioHoleEn0, LgcyMmioHoleEn); |
| MemNSetBitFieldNb (NBPtr, BFDramCtrlLimitReg0, ((DctLimitAddr - 1) >> (27 - 16 - 11)) & 0xFFFFF800); |
| } |
| return (BOOLEAN) (NBPtr->MCTPtr->ErrCode < AGESA_FATAL); |
| } |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * |
| * Report the Uma size that is going to be allocated. |
| * Total system memory UMASize |
| * >= 2G 512M |
| * >=1G 256M |
| * <1G 64M |
| * |
| * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK |
| * |
| * @return Uma size [31:0] = Addr [47:16] |
| */ |
| UINT32 |
| MemNGetUmaSizeKB ( |
| IN OUT MEM_NB_BLOCK *NBPtr |
| ) |
| { |
| UINT32 SysMemSize; |
| UINT32 SizeOfUma; |
| |
| SysMemSize = NBPtr->RefPtr->SysLimit + 1; |
| SysMemSize = (SysMemSize + 0x100) & 0xFFFFF000; // Ignore 16MB allocated for C6 when finding UMA size |
| if (SysMemSize >= 0x8000) { |
| SizeOfUma = 512 << (20 - 16); |
| } else if (SysMemSize >= 0x4000) { |
| SizeOfUma = 256 << (20 - 16); |
| } else { |
| SizeOfUma = 64 << (20 - 16); |
| } |
| |
| return SizeOfUma; |
| } |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * This function allocates 16MB of memory for C6 storage when it is requested to be enabled |
| * |
| * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK |
| * |
| */ |
| VOID |
| MemNAllocateC6StorageKB ( |
| IN OUT MEM_NB_BLOCK *NBPtr |
| ) |
| { |
| UINT32 SysLimit; |
| UINT32 DramLimitReg; |
| |
| if (NBPtr->SharedPtr->C6Enabled || IsFeatureEnabled (C6Cstate, NBPtr->MemPtr->PlatFormConfig, &(NBPtr->MemPtr->StdHeader))) { |
| |
| SysLimit = NBPtr->RefPtr->SysLimit; |
| |
| // Calculate new SysLimit |
| if (!NBPtr->SharedPtr->C6Enabled) { |
| // System memory available is reduced by 16MB |
| SysLimit -= _16MB_RJ16; |
| |
| NBPtr->MCTPtr->NodeSysLimit = SysLimit; |
| NBPtr->RefPtr->SysLimit = SysLimit; |
| NBPtr->SharedPtr->C6Enabled = TRUE; |
| |
| // Set TOPMEM and MTRRs (only need to be done once for BSC) |
| MemNC6AdjustMSRs (NBPtr); |
| } |
| |
| // Set Dram Limit |
| DramLimitReg = MemNGetBitFieldNb (NBPtr, BFDramLimitReg0) & 0x0000FFFF; |
| MemNSetBitFieldNb (NBPtr, BFDramLimitReg0, ((SysLimit << 8) & 0xFFFF0000) | DramLimitReg); |
| MemNSetBitFieldNb (NBPtr, BFDramLimitHiReg0, SysLimit >> 24); |
| |
| // Set BFCC6SaveEn and LockDramCfg |
| MemNSetBitFieldNb (NBPtr, BFCC6SaveEn, 1); |
| IDS_SKIP_HOOK (IDS_LOCK_DRAM_CFG, NBPtr, &NBPtr->MemPtr->StdHeader) { |
| MemNSetBitFieldNb (NBPtr, BFLockDramCfg, 1); |
| } |
| } |
| } |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * |
| * This function programs Powerdown and other power saving features for KB |
| * |
| * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK |
| * |
| * @return TRUE - No fatal error occurs. |
| * @return FALSE - Fatal error occurs. |
| */ |
| |
| BOOLEAN |
| MemNPowerSavingKB ( |
| IN OUT MEM_NB_BLOCK *NBPtr |
| ) |
| { |
| UINT8 Dct; |
| |
| for (Dct = 0; Dct < MAX_DCTS_PER_NODE_KB; Dct++) { |
| MemNSwitchDCTNb (NBPtr, Dct); |
| |
| if (NBPtr->DCTPtr->Timings.DctMemSize != 0) { |
| // |
| // Phy Power Saving |
| // |
| MemNPhyPowerSavingMPstateKB (NBPtr); |
| if (NBPtr->MemPstateStage == MEMORY_PSTATE_3RD_STAGE) { |
| MemNChangeMemPStateContextNb (NBPtr, 1); |
| MemNPhyPowerSavingMPstateKB (NBPtr); |
| MemFInitTableDrive (NBPtr, MTAfterSettingMemoryPstate1); |
| MemNChangeMemPStateContextNb (NBPtr, 0); |
| } |
| // |
| // Power Down Enable |
| // |
| if (NBPtr->RefPtr->EnablePowerDown) { |
| MemNSetBitFieldNb (NBPtr, BFPowerDownEn, 1); |
| } |
| } |
| } |
| |
| return TRUE; |
| } |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * This function force the ECC symbol size |
| * |
| * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK |
| * @param[in,out] *Size - ECC symbol size |
| * |
| * @return TRUE |
| */ |
| |
| BOOLEAN |
| MemNForceEccSymbolSizeKB ( |
| IN OUT MEM_NB_BLOCK *NBPtr, |
| IN OUT VOID *Size |
| ) |
| { |
| *(BOOLEAN *)Size = FALSE; |
| |
| return TRUE; |
| } |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * This function disables scrubber temporarily for write access to |
| * DCT additional address space |
| * |
| * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK |
| * |
| */ |
| |
| VOID |
| MemNDisableScrubberKB ( |
| IN OUT MEM_NB_BLOCK *NBPtr |
| ) |
| { |
| NBPtr->DisDramScrub = NBPtr->GetBitField (NBPtr, BFDisDramScrub); |
| NBPtr->SetBitField (NBPtr, BFDisDramScrub, 1); |
| NBPtr->GetBitField (NBPtr, BFDisDramScrub); |
| } |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * This function restores scrubber settings |
| * |
| * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK |
| * |
| */ |
| |
| VOID |
| MemNRestoreScrubberKB ( |
| IN OUT MEM_NB_BLOCK *NBPtr |
| ) |
| { |
| NBPtr->SetBitField (NBPtr, BFDisDramScrub, NBPtr->DisDramScrub); |
| } |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * This function disable memory hole mappings |
| * |
| * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK |
| * @param[in,out] *OptParam - Optional parameter |
| * |
| * @return TRUE |
| */ |
| |
| BOOLEAN |
| MemNDisableMemHoleMappingKB ( |
| IN OUT MEM_NB_BLOCK *NBPtr, |
| IN OUT VOID *OptParam |
| ) |
| { |
| UINT8 Range; |
| CONST BIT_FIELD_NAME LgcyMmioHoleEnBF[] = {BFLgcyMmioHoleEn0}; |
| |
| for (Range = 0; Range < sizeof (LgcyMmioHoleEnBF) / sizeof (BIT_FIELD_NAME); Range++) { |
| NBPtr->LgcyMmioHoleEnMap &= ~(1 << Range); |
| NBPtr->LgcyMmioHoleEnMap |= (NBPtr->GetBitField (NBPtr, LgcyMmioHoleEnBF[Range]) << Range); |
| NBPtr->SetBitField (NBPtr, LgcyMmioHoleEnBF[Range], 0); |
| } |
| return TRUE; |
| } |
| |
| /* -----------------------------------------------------------------------------*/ |
| /** |
| * |
| * This function restore memory hole mappings |
| * |
| * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK |
| * @param[in,out] *OptParam - Optional parameter |
| * |
| * @return TRUE |
| */ |
| |
| BOOLEAN |
| MemNRestoreMemHoleMappingKB ( |
| IN OUT MEM_NB_BLOCK *NBPtr, |
| IN OUT VOID *OptParam |
| ) |
| { |
| UINT8 Range; |
| CONST BIT_FIELD_NAME LgcyMmioHoleEnBF[] = {BFLgcyMmioHoleEn0}; |
| |
| for (Range = 0; Range < sizeof (LgcyMmioHoleEnBF) / sizeof (BIT_FIELD_NAME); Range++) { |
| NBPtr->SetBitField (NBPtr, LgcyMmioHoleEnBF[Range], (NBPtr->LgcyMmioHoleEnMap >> Range) & 1); |
| } |
| return TRUE; |
| } |
| |
| /*---------------------------------------------------------------------------- |
| * LOCAL FUNCTIONS |
| * |
| *---------------------------------------------------------------------------- |
| */ |