diff options
author | zbao <fishbaozi@gmail.com> | 2012-07-02 14:19:14 +0800 |
---|---|---|
committer | Patrick Georgi <patrick@georgi-clan.de> | 2012-07-03 09:36:35 +0200 |
commit | 7d94cf93eec15dfb8eef9cd044fe39319d4ee9bc (patch) | |
tree | b0b385455992f0ad3ca6dbbd3266a7a386a80d4f /src/vendorcode/amd/agesa/f15tn/Legacy/Proc/hobTransfer.c | |
parent | 78efc4c36c68b51b3e73acdb721a12ec23ed0369 (diff) | |
download | coreboot-7d94cf93eec15dfb8eef9cd044fe39319d4ee9bc.tar.xz |
AGESA F15tn: AMD family15 AGESA code for Trinity
AMD AGESA code for trinity.
Change-Id: I847a54b15e8ce03ad5dbc17b95ee6771a9da0592
Signed-off-by: Zheng Bao <zheng.bao@amd.com>
Signed-off-by: zbao <fishbaozi@gmail.com>
Reviewed-on: http://review.coreboot.org/1155
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Legacy/Proc/hobTransfer.c')
-rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Legacy/Proc/hobTransfer.c | 419 |
1 files changed, 419 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Legacy/Proc/hobTransfer.c b/src/vendorcode/amd/agesa/f15tn/Legacy/Proc/hobTransfer.c new file mode 100644 index 0000000000..3c5b5a08ee --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Legacy/Proc/hobTransfer.c @@ -0,0 +1,419 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD Hob Transfer functions. + * + * Contains code that copy Heap to temp memory or main memory. + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: CPU + * @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) + * pursuant to the terms and conditions of your Software License Agreement + * with AMD. This header does *NOT* give you permission to use the Materials + * or any rights under AMD's intellectual property. Your use of any portion + * of these Materials shall constitute your acceptance of those terms and + * conditions. If you do not agree to the terms and conditions of the Software + * License Agreement, please do not use any portion of these Materials. + * + * CONFIDENTIALITY: The Materials and all other information, identified as + * confidential and provided to you by AMD shall be kept confidential in + * accordance with the terms and conditions of the Software License Agreement. + * + * LIMITATION OF LIABILITY: THE MATERIALS AND ANY OTHER RELATED INFORMATION + * PROVIDED TO YOU BY AMD ARE PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO WARRANTIES OF + * MERCHANTABILITY, NONINFRINGEMENT, TITLE, FITNESS FOR ANY PARTICULAR PURPOSE, + * OR WARRANTIES ARISING FROM CONDUCT, COURSE OF DEALING, OR USAGE OF TRADE. + * IN NO EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES WHATSOEVER + * (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS + * INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF AMD'S NEGLIGENCE, + * GROSS NEGLIGENCE, THE USE OF OR INABILITY TO USE THE MATERIALS OR ANY OTHER + * RELATED INFORMATION PROVIDED TO YOU BY AMD, EVEN IF AMD HAS BEEN ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGES. BECAUSE SOME JURISDICTIONS PROHIBIT THE + * EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, + * THE ABOVE LIMITATION MAY NOT APPLY TO YOU. + * + * AMD does not assume any responsibility for any errors which may appear in + * the Materials or any other related information provided to you by AMD, or + * result from use of the Materials or any related information. + * + * You agree that you will not reverse engineer or decompile the Materials. + * + * NO SUPPORT OBLIGATION: AMD is not obligated to furnish, support, or make any + * further information, software, technical information, know-how, or show-how + * available to you. Additionally, AMD retains the right to modify the + * Materials at any time, without notice, and is not obligated to provide such + * modified Materials to you. + * + * U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials are provided with + * "RESTRICTED RIGHTS." Use, duplication, or disclosure by the Government is + * subject to the restrictions as set forth in FAR 52.227-14 and + * DFAR252.227-7013, et seq., or its successor. Use of the Materials by the + * Government constitutes acknowledgement of AMD's proprietary rights in them. + * + * EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any + * direct product thereof will be exported directly or indirectly, into any + * country prohibited by the United States Export Administration Act and the + * regulations thereunder, without the required authorization from the U.S. + * government nor will be used for any purpose prohibited by the same. + ****************************************************************************** + */ + +/*---------------------------------------------------------------------------------------- + * M O D U L E S U S E D + *---------------------------------------------------------------------------------------- + */ + +#include "AGESA.h" +#include "amdlib.h" +#include "Ids.h" +#include "cpuRegisters.h" +#include "GeneralServices.h" +#include "cpuServices.h" +#include "cpuCacheInit.h" +#include "cpuFamilyTranslation.h" +#include "heapManager.h" +#include "cpuLateInit.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) + +#define FILECODE LEGACY_PROC_HOBTRANSFER_FILECODE +/*---------------------------------------------------------------------------------------- + * D E F I N I T I O N S A N D M A C R O S + *---------------------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------------------- + * T Y P E D E F S A N D S T R U C T U R E S + *---------------------------------------------------------------------------------------- + */ + + +/*---------------------------------------------------------------------------------------- + * P R O T O T Y P E S O F L O C A L F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------------------- + * P U B L I C F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------------------- + * E X P O R T E D F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ +extern BUILD_OPT_CFG UserOptions; + +/* -----------------------------------------------------------------------------*/ +/** + * + * CopyHeapToTempRamAtPost + * + * This function copies BSP heap content to RAM + * + * @param[in,out] StdHeader - Pointer to AMD_CONFIG_PARAMS struct. + * + * @retval AGESA_STATUS + * + */ +AGESA_STATUS +CopyHeapToTempRamAtPost ( + IN OUT AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT8 *BaseAddressInCache; + UINT8 *BaseAddressInTempMem; + UINT8 *Source; + UINT8 *Destination; + UINT8 AlignTo16ByteInCache; + UINT8 AlignTo16ByteInTempMem; + UINT8 Ignored; + UINT32 SizeOfNodeData; + UINT32 TotalSize; + UINT32 HeapRamFixMtrr; + UINT32 HeapRamVariableMtrr; + UINT32 HeapInCacheOffset; + UINT64 MsrData; + UINT64 VariableMtrrBase; + UINT64 VariableMtrrMask; + UINTN AmdHeapRamAddress; + AGESA_STATUS IgnoredStatus; + BUFFER_NODE *HeapInCache; + BUFFER_NODE *HeapInTempMem; + HEAP_MANAGER *HeapManagerInCache; + HEAP_MANAGER *HeapManagerInTempMem; + CACHE_INFO *CacheInfoPtr; + CPU_SPECIFIC_SERVICES *FamilySpecificServices; + + AmdHeapRamAddress = (UINTN) UserOptions.CfgHeapDramAddress; + // + //If the user define address above 1M, Mem Init has already set + //whole available memory as WB cacheable. + // + if (AmdHeapRamAddress < 0x100000) { + // Region below 1MB + // Fixed MTTR region + // turn on modification bit + LibAmdMsrRead (MSR_SYS_CFG, &MsrData, StdHeader); + MsrData |= 0x80000; + LibAmdMsrWrite (MSR_SYS_CFG, &MsrData, StdHeader); + + if (AmdHeapRamAddress >= 0xC0000) { + // + // 0xC0000 ~ 0xFFFFF + // + HeapRamFixMtrr = (UINT32) (AMD_MTRR_FIX4k_C0000 + (((AmdHeapRamAddress >> 16) & 0x3) * 2)); + MsrData = AMD_MTRR_FIX4K_UC_DRAM; + LibAmdMsrWrite (HeapRamFixMtrr, &MsrData, StdHeader); + LibAmdMsrWrite ((HeapRamFixMtrr + 1), &MsrData, StdHeader); + } else if (AmdHeapRamAddress >= 0x80000) { + // + // 0x80000~0xBFFFF + // + HeapRamFixMtrr = (UINT32) (AMD_MTRR_FIX16k_80000 + ((AmdHeapRamAddress >> 17) & 0x1)); + MsrData = AMD_MTRR_FIX16K_UC_DRAM; + LibAmdMsrWrite (HeapRamFixMtrr, &MsrData, StdHeader); + } else { + // + // 0x0 ~ 0x7FFFF + // + LibAmdMsrRead (AMD_MTRR_FIX64k_00000, &MsrData, StdHeader); + MsrData = MsrData & (~(0xFF << (8 * ((AmdHeapRamAddress >> 16) & 0x7)))); + MsrData = MsrData | (AMD_MTRR_FIX64K_UC_DRAM << (8 * ((AmdHeapRamAddress >> 16) & 0x7))); + LibAmdMsrWrite (AMD_MTRR_FIX64k_00000, &MsrData, StdHeader); + } + + // Turn on MTTR enable bit and turn off modification bit + LibAmdMsrRead (MSR_SYS_CFG, &MsrData, StdHeader); + MsrData |= 0x40000; + MsrData &= 0xFFFFFFFFFFF7FFFF; + LibAmdMsrWrite (MSR_SYS_CFG, &MsrData, StdHeader); + } else { + // Region above 1MB + // Variable MTTR region + // Get family specific cache Info + GetCpuServicesOfCurrentCore ((CONST CPU_SPECIFIC_SERVICES **)&FamilySpecificServices, StdHeader); + FamilySpecificServices->GetCacheInfo (FamilySpecificServices, (CONST VOID **) &CacheInfoPtr, &Ignored, StdHeader); + + // Find an empty MTRRphysBase/MTRRphysMask + for (HeapRamVariableMtrr = AMD_MTRR_VARIABLE_HEAP_BASE; + HeapRamVariableMtrr >= AMD_MTRR_VARIABLE_BASE0; + HeapRamVariableMtrr--) { + LibAmdMsrRead (HeapRamVariableMtrr, &VariableMtrrBase, StdHeader); + LibAmdMsrRead ((HeapRamVariableMtrr + 1), &VariableMtrrMask, StdHeader); + if ((VariableMtrrBase == 0) && (VariableMtrrMask == 0)) { + break; + } + } + if (HeapRamVariableMtrr < AMD_MTRR_VARIABLE_BASE0) { + // All variable MTRR is used. + ASSERT (FALSE); + } + + // Set variable MTRR base and mask + // If the address ranges of two or more MTRRs overlap + // and if at least one of the memory types is UC, the UC memory type is used. + VariableMtrrBase = (UINT64) (AmdHeapRamAddress & CacheInfoPtr->HeapBaseMask); + VariableMtrrMask = CacheInfoPtr->VariableMtrrHeapMask & AMD_HEAP_MTRR_MASK; + LibAmdMsrWrite (HeapRamVariableMtrr, &VariableMtrrBase, StdHeader); + LibAmdMsrWrite ((HeapRamVariableMtrr + 1), &VariableMtrrMask, StdHeader); + } + // Copying Heap content + if (IsBsp (StdHeader, &IgnoredStatus)) { + TotalSize = sizeof (HEAP_MANAGER); + SizeOfNodeData = 0; + AlignTo16ByteInTempMem = 0; + BaseAddressInCache = (UINT8 *) (UINT32)StdHeader->HeapBasePtr; + HeapManagerInCache = (HEAP_MANAGER *) BaseAddressInCache; + HeapInCacheOffset = HeapManagerInCache->FirstActiveBufferOffset; + HeapInCache = (BUFFER_NODE *) (BaseAddressInCache + HeapInCacheOffset); + + BaseAddressInTempMem = (UINT8 *) (UINTN) UserOptions.CfgHeapDramAddress; + HeapManagerInTempMem = (HEAP_MANAGER *) BaseAddressInTempMem; + HeapInTempMem = (BUFFER_NODE *) (BaseAddressInTempMem + TotalSize); + + // copy heap from cache to temp memory. + // only heap with persist great than HEAP_LOCAL_CACHE will be copied. + // Note: Only copy heap with persist greater than HEAP_LOCAL_CACHE. + while (HeapInCacheOffset != AMD_HEAP_INVALID_HEAP_OFFSET) { + if (HeapInCache->Persist > HEAP_LOCAL_CACHE) { + AlignTo16ByteInCache = HeapInCache->PadSize; + AlignTo16ByteInTempMem = (UINT8) ((0x10 - (((UINTN) (VOID *) HeapInTempMem + sizeof (BUFFER_NODE) + SIZE_OF_SENTINEL) & 0xF)) & 0xF); + SizeOfNodeData = HeapInCache->BufferSize - AlignTo16ByteInCache; + TotalSize = (UINT32) (TotalSize + sizeof (BUFFER_NODE) + SizeOfNodeData + AlignTo16ByteInTempMem); + Source = (UINT8 *) HeapInCache + sizeof (BUFFER_NODE) + AlignTo16ByteInCache; + Destination = (UINT8 *) HeapInTempMem + sizeof (BUFFER_NODE) + AlignTo16ByteInTempMem; + LibAmdMemCopy (HeapInTempMem, HeapInCache, sizeof (BUFFER_NODE), StdHeader); + LibAmdMemCopy (Destination, Source, SizeOfNodeData, StdHeader); + HeapInTempMem->OffsetOfNextNode = TotalSize; + HeapInTempMem->BufferSize = SizeOfNodeData + AlignTo16ByteInTempMem; + HeapInTempMem->PadSize = AlignTo16ByteInTempMem; + HeapInTempMem = (BUFFER_NODE *) (BaseAddressInTempMem + TotalSize); + } + HeapInCacheOffset = HeapInCache->OffsetOfNextNode; + HeapInCache = (BUFFER_NODE *) (BaseAddressInCache + HeapInCacheOffset); + } + // initialize heap manager + if (TotalSize == sizeof (HEAP_MANAGER)) { + // heap is empty + HeapManagerInTempMem->UsedSize = sizeof (HEAP_MANAGER); + HeapManagerInTempMem->FirstActiveBufferOffset = AMD_HEAP_INVALID_HEAP_OFFSET; + HeapManagerInTempMem->FirstFreeSpaceOffset = sizeof (HEAP_MANAGER); + } else { + // heap is NOT empty + HeapManagerInTempMem->UsedSize = TotalSize; + HeapManagerInTempMem->FirstActiveBufferOffset = sizeof (HEAP_MANAGER); + HeapManagerInTempMem->FirstFreeSpaceOffset = TotalSize; + HeapInTempMem = (BUFFER_NODE *) (BaseAddressInTempMem + TotalSize - SizeOfNodeData - AlignTo16ByteInTempMem - sizeof (BUFFER_NODE)); + HeapInTempMem->OffsetOfNextNode = AMD_HEAP_INVALID_HEAP_OFFSET; + HeapInTempMem = (BUFFER_NODE *) (BaseAddressInTempMem + TotalSize); + } + // heap signature + HeapManagerInCache->Signature = 0x00000000; + HeapManagerInTempMem->Signature = HEAP_SIGNATURE_VALID; + // Free space node + HeapInTempMem->BufferSize = (UINT32) (AMD_HEAP_SIZE_PER_CORE - TotalSize); + HeapInTempMem->OffsetOfNextNode = AMD_HEAP_INVALID_HEAP_OFFSET; + } + return AGESA_SUCCESS; +} + + +/* -----------------------------------------------------------------------------*/ +/** + * + * CopyHeapToMainRamAtPost + * + * This function copies Temp Ram heap content to Main Ram + * + * @param[in,out] StdHeader - Pointer to AMD_CONFIG_PARAMS struct. + * + * @retval AGESA_STATUS + * + */ +AGESA_STATUS +CopyHeapToMainRamAtPost ( + IN OUT AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT8 *BaseAddressInTempMem; + UINT8 *BaseAddressInMainMem; + UINT8 *Source; + UINT8 *Destination; + UINT8 AlignTo16ByteInTempMem; + UINT8 AlignTo16ByteInMainMem; + UINT8 Ignored; + UINT32 SizeOfNodeData; + UINT32 TotalSize; + UINT32 HeapInTempMemOffset; + UINT32 HeapRamVariableMtrr; + UINT64 VariableMtrrBase; + UINT64 VariableMtrrMask; + AGESA_STATUS IgnoredStatus; + BUFFER_NODE *HeapInTempMem; + BUFFER_NODE *HeapInMainMem; + HEAP_MANAGER *HeapManagerInTempMem; + HEAP_MANAGER *HeapManagerInMainMem; + AGESA_BUFFER_PARAMS AgesaBuffer; + CACHE_INFO *CacheInfoPtr; + CPU_SPECIFIC_SERVICES *FamilySpecificServices; + + if (IsBsp (StdHeader, &IgnoredStatus)) { + TotalSize = sizeof (HEAP_MANAGER); + SizeOfNodeData = 0; + AlignTo16ByteInMainMem = 0; + BaseAddressInTempMem = (UINT8 *)(UINT32) StdHeader->HeapBasePtr; + HeapManagerInTempMem = (HEAP_MANAGER *)(UINT32) StdHeader->HeapBasePtr; + HeapInTempMemOffset = HeapManagerInTempMem->FirstActiveBufferOffset; + HeapInTempMem = (BUFFER_NODE *) (BaseAddressInTempMem + HeapInTempMemOffset); + + AgesaBuffer.StdHeader = *StdHeader; + AgesaBuffer.BufferHandle = AMD_HEAP_IN_MAIN_MEMORY_HANDLE; + AgesaBuffer.BufferLength = AMD_HEAP_SIZE_PER_CORE; + if (AgesaAllocateBuffer (0, &AgesaBuffer) != AGESA_SUCCESS) { + return AGESA_ERROR; + } + BaseAddressInMainMem = (UINT8 *) AgesaBuffer.BufferPointer; + HeapManagerInMainMem = (HEAP_MANAGER *) BaseAddressInMainMem; + HeapInMainMem = (BUFFER_NODE *) (BaseAddressInMainMem + TotalSize); + LibAmdMemFill (BaseAddressInMainMem, 0x00, AMD_HEAP_SIZE_PER_CORE, StdHeader); + // copy heap from temp memory to main memory. + // only heap with persist great than HEAP_TEMP_MEM will be copied. + // Note: Only copy heap buffers with persist greater than HEAP_TEMP_MEM. + while (HeapInTempMemOffset != AMD_HEAP_INVALID_HEAP_OFFSET) { + if (HeapInTempMem->Persist > HEAP_TEMP_MEM) { + AlignTo16ByteInTempMem = HeapInTempMem->PadSize; + AlignTo16ByteInMainMem = (UINT8) ((0x10 - (((UINTN) (VOID *) HeapInMainMem + sizeof (BUFFER_NODE) + SIZE_OF_SENTINEL) & 0xF)) & 0xF); + SizeOfNodeData = HeapInTempMem->BufferSize - AlignTo16ByteInTempMem; + TotalSize = (UINT32) (TotalSize + sizeof (BUFFER_NODE) + SizeOfNodeData + AlignTo16ByteInMainMem); + Source = (UINT8 *) HeapInTempMem + sizeof (BUFFER_NODE) + AlignTo16ByteInTempMem; + Destination = (UINT8 *) HeapInMainMem + sizeof (BUFFER_NODE) + AlignTo16ByteInMainMem; + LibAmdMemCopy (HeapInMainMem, HeapInTempMem, sizeof (BUFFER_NODE), StdHeader); + LibAmdMemCopy (Destination, Source, SizeOfNodeData, StdHeader); + HeapInMainMem->OffsetOfNextNode = TotalSize; + HeapInMainMem->BufferSize = SizeOfNodeData + AlignTo16ByteInMainMem; + HeapInMainMem->PadSize = AlignTo16ByteInMainMem; + HeapInMainMem = (BUFFER_NODE *) (BaseAddressInMainMem + TotalSize); + } + HeapInTempMemOffset = HeapInTempMem->OffsetOfNextNode; + HeapInTempMem = (BUFFER_NODE *) (BaseAddressInTempMem + HeapInTempMemOffset); + } + // initialize heap manager + if (TotalSize == sizeof (HEAP_MANAGER)) { + // heap is empty + HeapManagerInMainMem->UsedSize = sizeof (HEAP_MANAGER); + HeapManagerInMainMem->FirstActiveBufferOffset = AMD_HEAP_INVALID_HEAP_OFFSET; + HeapManagerInMainMem->FirstFreeSpaceOffset = sizeof (HEAP_MANAGER); + } else { + // heap is NOT empty + HeapManagerInMainMem->UsedSize = TotalSize; + HeapManagerInMainMem->FirstActiveBufferOffset = sizeof (HEAP_MANAGER); + HeapManagerInMainMem->FirstFreeSpaceOffset = TotalSize; + HeapInMainMem = (BUFFER_NODE *) (BaseAddressInMainMem + TotalSize - SizeOfNodeData - AlignTo16ByteInMainMem - sizeof (BUFFER_NODE)); + HeapInMainMem->OffsetOfNextNode = AMD_HEAP_INVALID_HEAP_OFFSET; + HeapInMainMem = (BUFFER_NODE *) (BaseAddressInMainMem + TotalSize); + } + // heap signature + HeapManagerInTempMem->Signature = 0x00000000; + HeapManagerInMainMem->Signature = HEAP_SIGNATURE_VALID; + // Free space node + HeapInMainMem->BufferSize = AMD_HEAP_SIZE_PER_CORE - TotalSize; + HeapInMainMem->OffsetOfNextNode = AMD_HEAP_INVALID_HEAP_OFFSET; + } + // if address of heap in temp memory is above 1M, then we must used one variable MTRR. + if ( (UINTN) StdHeader->HeapBasePtr >= 0x100000) { + // Find out which variable MTRR was used in CopyHeapToTempRamAtPost. + GetCpuServicesOfCurrentCore ((CONST CPU_SPECIFIC_SERVICES **)&FamilySpecificServices, StdHeader); + FamilySpecificServices->GetCacheInfo (FamilySpecificServices, (CONST VOID **) &CacheInfoPtr, &Ignored, StdHeader); + for (HeapRamVariableMtrr = AMD_MTRR_VARIABLE_HEAP_BASE; + HeapRamVariableMtrr >= AMD_MTRR_VARIABLE_BASE0; + HeapRamVariableMtrr--) { + LibAmdMsrRead (HeapRamVariableMtrr, &VariableMtrrBase, StdHeader); + LibAmdMsrRead ((HeapRamVariableMtrr + 1), &VariableMtrrMask, StdHeader); + if ((VariableMtrrBase == (UINT64) (UINTN) (StdHeader->HeapBasePtr & CacheInfoPtr->HeapBaseMask)) && + (VariableMtrrMask == (UINT64) (CacheInfoPtr->VariableMtrrHeapMask & AMD_HEAP_MTRR_MASK))) { + break; + } + } + if (HeapRamVariableMtrr >= AMD_MTRR_VARIABLE_BASE0) { + // Clear variable MTRR which set in CopyHeapToTempRamAtPost. + VariableMtrrBase = 0; + VariableMtrrMask = 0; + LibAmdMsrWrite (HeapRamVariableMtrr, &VariableMtrrBase, StdHeader); + LibAmdMsrWrite ((HeapRamVariableMtrr + 1), &VariableMtrrMask, StdHeader); + } + } + return AGESA_SUCCESS; +} |