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Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/CPU/Feature/PreserveMailbox.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/CPU/Feature/PreserveMailbox.c | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Feature/PreserveMailbox.c b/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Feature/PreserveMailbox.c new file mode 100644 index 0000000000..b728c6d1bd --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/CPU/Feature/PreserveMailbox.c @@ -0,0 +1,245 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD AGESA CPU Preserve Registers used for AP Mailbox. + * + * Save and Restore the normal feature content of the registers being used for + * the AP Mailbox. + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: CPU/Feature + * @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 "Topology.h" +#include "GeneralServices.h" +#include "OptionMultiSocket.h" +#include "cpuRegisters.h" +#include "cpuApicUtilities.h" +#include "cpuServices.h" +#include "cpuFamilyTranslation.h" +#include "cpuFeatures.h" +#include "PreserveMailbox.h" +#include "heapManager.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) + +#define FILECODE PROC_CPU_FEATURE_PRESERVEMAILBOX_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 + *---------------------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------------------- + * E X P O R T E D F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ +extern CPU_FAMILY_SUPPORT_TABLE PreserveMailboxFamilyServiceTable; + +/*---------------------------------------------------------------------------------------*/ +/** + * The contents of the mailbox registers should always be preserved. + * + * @param[in] PlatformConfig Contains the runtime modifiable feature input data. + * @param[in] StdHeader Config Handle for library, services. + * + * @retval TRUE Always TRUE + * + */ +BOOLEAN +STATIC +IsPreserveAroundMailboxEnabled ( + IN PLATFORM_CONFIGURATION *PlatformConfig, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + return TRUE; +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Save and Restore or Initialize the content of the mailbox registers. + * + * The registers used for AP mailbox should have the content related to their function + * preserved. + * + * @param[in] EntryPoint Timepoint designator. + * @param[in] PlatformConfig Contains the runtime modifiable feature input data. + * @param[in] StdHeader Config Handle for library, services. + * + * @return AGESA_SUCCESS Always succeeds. + * + */ +AGESA_STATUS +STATIC +PreserveMailboxes ( + IN UINT64 EntryPoint, + IN PLATFORM_CONFIGURATION *PlatformConfig, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + PRESERVE_MAILBOX_FAMILY_SERVICES *FamilySpecificServices; + UINT32 Socket; + UINT32 Module; + PCI_ADDR BaseAddress; + PCI_ADDR MailboxRegister; + PRESERVE_MAILBOX_FAMILY_REGISTER *NextRegister; + AGESA_STATUS IgnoredStatus; + AGESA_STATUS HeapStatus; + UINT32 Value; + ALLOCATE_HEAP_PARAMS AllocateParams; + LOCATE_HEAP_PTR LocateParams; + UINT32 RegisterEntryIndex; + + BaseAddress.AddressValue = ILLEGAL_SBDFO; + + if (EntryPoint == CPU_FEAT_AFTER_COHERENT_DISCOVERY) { + // The save step. Save either the register content or zero (for cold boot, if family specifies that). + AllocateParams.BufferHandle = PRESERVE_MAIL_BOX_HANDLE; + AllocateParams.RequestedBufferSize = (sizeof (UINT32) * (MAX_PRESERVE_REGISTER_ENTRIES * (MAX_SOCKETS * MAX_DIES))); + AllocateParams.Persist = HEAP_SYSTEM_MEM; + HeapStatus = HeapAllocateBuffer (&AllocateParams, StdHeader); + ASSERT ((HeapStatus == AGESA_SUCCESS) && (AllocateParams.BufferPtr != NULL)); + LibAmdMemFill (AllocateParams.BufferPtr, 0xFF, AllocateParams.RequestedBufferSize, StdHeader); + RegisterEntryIndex = 0; + for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) { + for (Module = 0; Module < GetPlatformNumberOfModules (); Module++) { + if (GetPciAddress (StdHeader, Socket, Module, &BaseAddress, &IgnoredStatus)) { + GetFeatureServicesOfSocket (&PreserveMailboxFamilyServiceTable, Socket, (CONST VOID **)&FamilySpecificServices, StdHeader); + ASSERT (FamilySpecificServices != NULL); + NextRegister = FamilySpecificServices->RegisterList; + while (NextRegister->Register.AddressValue != ILLEGAL_SBDFO) { + ASSERT (RegisterEntryIndex < + (MAX_PRESERVE_REGISTER_ENTRIES * GetPlatformNumberOfSockets () * GetPlatformNumberOfModules ())); + if (FamilySpecificServices->IsZeroOnCold && (!IsWarmReset (StdHeader))) { + Value = 0; + } else { + MailboxRegister = BaseAddress; + MailboxRegister.Address.Function = NextRegister->Register.Address.Function; + MailboxRegister.Address.Register = NextRegister->Register.Address.Register; + LibAmdPciRead (AccessWidth32, MailboxRegister, &Value, StdHeader); + Value &= NextRegister->Mask; + } + (* (MAILBOX_REGISTER_SAVE_ENTRY) AllocateParams.BufferPtr) [RegisterEntryIndex] = Value; + RegisterEntryIndex++; + NextRegister++; + } + } + } + } + } else if ((EntryPoint == CPU_FEAT_INIT_LATE_END) || (EntryPoint == CPU_FEAT_AFTER_RESUME_MTRR_SYNC)) { + // The restore step. Just write out the saved content in the buffer. + LocateParams.BufferHandle = PRESERVE_MAIL_BOX_HANDLE; + HeapStatus = HeapLocateBuffer (&LocateParams, StdHeader); + ASSERT ((HeapStatus == AGESA_SUCCESS) && (LocateParams.BufferPtr != NULL)); + RegisterEntryIndex = 0; + for (Socket = 0; Socket < GetPlatformNumberOfSockets (); Socket++) { + for (Module = 0; Module < GetPlatformNumberOfModules (); Module++) { + if (GetPciAddress (StdHeader, Socket, Module, &BaseAddress, &IgnoredStatus)) { + GetFeatureServicesOfSocket (&PreserveMailboxFamilyServiceTable, Socket, (CONST VOID **)&FamilySpecificServices, StdHeader); + NextRegister = FamilySpecificServices->RegisterList; + while (NextRegister->Register.AddressValue != ILLEGAL_SBDFO) { + ASSERT (RegisterEntryIndex < + (MAX_PRESERVE_REGISTER_ENTRIES * GetPlatformNumberOfSockets () * GetPlatformNumberOfModules ())); + MailboxRegister = BaseAddress; + MailboxRegister.Address.Function = NextRegister->Register.Address.Function; + MailboxRegister.Address.Register = NextRegister->Register.Address.Register; + LibAmdPciRead (AccessWidth32, MailboxRegister, &Value, StdHeader); + Value = ((Value & ~NextRegister->Mask) | (* (MAILBOX_REGISTER_SAVE_ENTRY) LocateParams.BufferPtr) [RegisterEntryIndex]); + LibAmdPciWrite (AccessWidth32, MailboxRegister, &Value, StdHeader); + RegisterEntryIndex++; + NextRegister++; + } + } + } + } + HeapStatus = HeapDeallocateBuffer (PRESERVE_MAIL_BOX_HANDLE, StdHeader); + } + return AGESA_SUCCESS; +} + + +CONST CPU_FEATURE_DESCRIPTOR ROMDATA CpuFeaturePreserveAroundMailbox = +{ + PreserveAroundMailbox, + (CPU_FEAT_AFTER_COHERENT_DISCOVERY | CPU_FEAT_INIT_LATE_END | CPU_FEAT_AFTER_RESUME_MTRR_SYNC), + IsPreserveAroundMailboxEnabled, + PreserveMailboxes +}; |