diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/HT/htInterfaceCoherent.c')
-rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/HT/htInterfaceCoherent.c | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/HT/htInterfaceCoherent.c b/src/vendorcode/amd/agesa/f15tn/Proc/HT/htInterfaceCoherent.c new file mode 100644 index 0000000000..c8b7f239b3 --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/HT/htInterfaceCoherent.c @@ -0,0 +1,290 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * External Interface implementation for coherent features. + * + * Contains routines for accessing the interface to the client BIOS, + * for support only required for coherent features. + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: HyperTransport + * @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. + * *************************************************************************** + * + */ + +/* + *---------------------------------------------------------------------------- + * MODULES USED + * + *---------------------------------------------------------------------------- + */ + + + +#include "AGESA.h" +#include "amdlib.h" +#include "Ids.h" +#include "Topology.h" +#include "htFeat.h" +#include "htInterface.h" +#include "htInterfaceGeneral.h" +#include "htInterfaceCoherent.h" +#include "htNb.h" +#include "heapManager.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) + +#define FILECODE PROC_HT_HTINTERFACECOHERENT_FILECODE +/*---------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * TYPEDEFS AND STRUCTURES + * + *---------------------------------------------------------------------------- + */ +/*---------------------------------------------------------------------------- + * PROTOTYPES OF LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ +/*---------------------------------------------------------------------------- + * EXPORTED FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + +/*----------------------------------------------------------------------------------------*/ +/*----------------------------------------------------------------------------------------*/ +/** + * Get limits for CPU to CPU Links. + * + * @HtInterfaceMethod{::F_GET_CPU_2_CPU_PCB_LIMITS} + * + * For each coherent connection this routine is called once. Update the frequency + * and width if needed for this Link (usually based on board restriction). This is + * used with CPU device capabilities and northbridge limits to compute the default + * settings. The input width and frequency are valid, but do not necessarily reflect + * the minimum setting that will be chosen. + * + * @param[in] NodeA One Node on which this Link is located + * @param[in] LinkA The Link on this Node + * @param[in] NodeB The other Node on which this Link is located + * @param[in] LinkB The Link on that Node + * @param[in,out] ABLinkWidthLimit modify to change the Link Width In + * @param[in,out] BALinkWidthLimit modify to change the Link Width Out + * @param[in,out] PcbFreqCap modify to change the Link's frequency capability + * @param[in] State the input data + * + */ +VOID +GetCpu2CpuPcbLimits ( + IN UINT8 NodeA, + IN UINT8 LinkA, + IN UINT8 NodeB, + IN UINT8 LinkB, + IN OUT UINT8 *ABLinkWidthLimit, + IN OUT UINT8 *BALinkWidthLimit, + IN OUT UINT32 *PcbFreqCap, + IN STATE_DATA *State + ) +{ + CPU_TO_CPU_PCB_LIMITS *p; + UINT8 SocketA; + UINT8 SocketB; + UINT8 PackageLinkA; + UINT8 PackageLinkB; + + ASSERT ((NodeA < MAX_NODES) && (NodeB < MAX_NODES)); + ASSERT ((LinkA < State->Nb->MaxLinks) && (LinkB < State->Nb->MaxLinks)); + + SocketA = State->HtInterface->GetSocketFromMap (NodeA, State); + PackageLinkA = State->Nb->GetPackageLink (NodeA, LinkA, State->Nb); + SocketB = State->HtInterface->GetSocketFromMap (NodeB, State); + PackageLinkB = State->Nb->GetPackageLink (NodeB, LinkB, State->Nb); + + if (State->HtBlock->CpuToCpuPcbLimitsList != NULL) { + p = State->HtBlock->CpuToCpuPcbLimitsList; + + while (p->SocketA != HT_LIST_TERMINAL) { + if (((p->SocketA == SocketA) || (p->SocketA == HT_LIST_MATCH_ANY)) && + ((p->LinkA == PackageLinkA) || ((p->LinkA == HT_LIST_MATCH_ANY) && (!IsPackageLinkInternal (PackageLinkA))) || + ((p->LinkA == HT_LIST_MATCH_INTERNAL_LINK) && (IsPackageLinkInternal (PackageLinkA)))) && + ((p->SocketB == SocketB) || (p->SocketB == HT_LIST_MATCH_ANY)) && + ((p->LinkB == PackageLinkB) || ((p->LinkB == HT_LIST_MATCH_ANY) && (!IsPackageLinkInternal (PackageLinkB))) || + ((p->LinkB == HT_LIST_MATCH_INTERNAL_LINK) && (IsPackageLinkInternal (PackageLinkB))))) { + // Found a match, update width and frequency + *ABLinkWidthLimit = p->ABLinkWidthLimit; + *BALinkWidthLimit = p->BALinkWidthLimit; + *PcbFreqCap = p->PcbFreqCap; + break; + } else { + p++; + } + } + } +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Skip reganging of subLinks. + * + * @HtInterfaceMethod{::F_GET_SKIP_REGANG} + * + * This routine is called whenever two subLinks are both connected to the same CPUs. + * Normally, unganged sublinks between the same two CPUs are reganged. Return true + * from this routine to leave the Links unganged. + * + * @param[in] NodeA One Node on which this Link is located + * @param[in] LinkA The Link on this Node + * @param[in] NodeB The other Node on which this Link is located + * @param[in] LinkB The Link on that Node + * @param[in] State the input data + * + * @retval MATCHED leave Link unganged + * @retval POWERED_OFF leave link unganged and power off the paired sublink + * @retval UNMATCHED regang Link automatically + */ +FINAL_LINK_STATE +GetSkipRegang ( + IN UINT8 NodeA, + IN UINT8 LinkA, + IN UINT8 NodeB, + IN UINT8 LinkB, + IN STATE_DATA *State + ) +{ + SKIP_REGANG *p; + FINAL_LINK_STATE Result; + UINT8 SocketA; + UINT8 SocketB; + UINT8 PackageLinkA; + UINT8 PackageLinkB; + + ASSERT ((NodeA < MAX_NODES) && (NodeB < MAX_NODES)); + ASSERT ((LinkA < State->Nb->MaxLinks) && (LinkB < State->Nb->MaxLinks)); + + Result = UNMATCHED; + SocketA = State->HtInterface->GetSocketFromMap (NodeA, State); + PackageLinkA = State->Nb->GetPackageLink (NodeA, LinkA, State->Nb); + SocketB = State->HtInterface->GetSocketFromMap (NodeB, State); + PackageLinkB = State->Nb->GetPackageLink (NodeB, LinkB, State->Nb); + + if (State->HtBlock->SkipRegangList != NULL) { + p = State->HtBlock->SkipRegangList; + + while (p->SocketA != HT_LIST_TERMINAL) { + if (((p->SocketA == SocketA) || (p->SocketA == HT_LIST_MATCH_ANY)) && + ((p->LinkA == PackageLinkA) || ((p->LinkA == HT_LIST_MATCH_ANY) && (!IsPackageLinkInternal (PackageLinkA))) || + ((p->LinkA == HT_LIST_MATCH_INTERNAL_LINK) && (IsPackageLinkInternal (PackageLinkA)))) && + ((p->SocketB == SocketB) || (p->SocketB == HT_LIST_MATCH_ANY)) && + ((p->LinkB == PackageLinkB) || ((p->LinkB == HT_LIST_MATCH_ANY) && (!IsPackageLinkInternal (PackageLinkB))) || + ((p->LinkB == HT_LIST_MATCH_INTERNAL_LINK) && (IsPackageLinkInternal (PackageLinkB))))) { + // Found a match return final link state + Result = p->LinkState; + break; + } else { + p++; + } + } + } + return Result; +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Get a new, empty Hop Count Table, to make one for the installed topology. + * + * @HtInterfaceMethod{::F_NEW_HOP_COUNT_TABLE} + * + * For SLIT, publish a matrix with the hop count, by allocating a buffer on heap with a + * known signature. + * + * @param[in,out] State Keep our buffer handle. + * + */ +VOID +NewHopCountTable ( + IN OUT STATE_DATA *State + ) +{ + ALLOCATE_HEAP_PARAMS AllocHeapParams; + + AllocHeapParams.RequestedBufferSize = sizeof (HOP_COUNT_TABLE); + AllocHeapParams.BufferHandle = HOP_COUNT_TABLE_HANDLE; + AllocHeapParams.Persist = HEAP_SYSTEM_MEM; + if (HeapAllocateBuffer ( &AllocHeapParams, State->ConfigHandle) == AGESA_SUCCESS) { + State->HopCountTable = (HOP_COUNT_TABLE *)AllocHeapParams.BufferPtr; + } else { + State->HopCountTable = NULL; + } +} |