diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f10/Proc/HT/Features/htFeatGanging.c')
-rw-r--r-- | src/vendorcode/amd/agesa/f10/Proc/HT/Features/htFeatGanging.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/src/vendorcode/amd/agesa/f10/Proc/HT/Features/htFeatGanging.c b/src/vendorcode/amd/agesa/f10/Proc/HT/Features/htFeatGanging.c deleted file mode 100644 index 6095298018..0000000000 --- a/src/vendorcode/amd/agesa/f10/Proc/HT/Features/htFeatGanging.c +++ /dev/null @@ -1,215 +0,0 @@ -/** - * @file - * - * Routines for re-ganging Links. - * - * Implement the reganging feature. - * - * @xrefitem bom "File Content Label" "Release Content" - * @e project: AGESA - * @e sub-project: HyperTransport - * @e \$Revision: 44323 $ @e \$Date: 2010-12-22 01:24:58 -0700 (Wed, 22 Dec 2010) $ - * - */ -/* -***************************************************************************** -* -* 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 "amdlib.h" -#include "Ids.h" -#include "Topology.h" -#include "htFeat.h" -#include "htInterface.h" -#include "htNb.h" -#include "htFeatGanging.h" -#include "Filecode.h" -#define FILECODE PROC_HT_FEATURES_HTFEATGANGING_FILECODE -/*---------------------------------------------------------------------------- - * DEFINITIONS AND MACROS - * - *---------------------------------------------------------------------------- - */ - -/*---------------------------------------------------------------------------- - * TYPEDEFS AND STRUCTURES - * - *---------------------------------------------------------------------------- - */ - -/*---------------------------------------------------------------------------- - * PROTOTYPES OF LOCAL FUNCTIONS - * - *---------------------------------------------------------------------------- - */ - -/*---------------------------------------------------------------------------- - * EXPORTED FUNCTIONS - * - *---------------------------------------------------------------------------- - */ - -/*---------------------------------------------------------------------------- - * LOCAL FUNCTIONS - * - *---------------------------------------------------------------------------- - */ - -/*************************************************************************** - *** Link Optimization *** - ***************************************************************************/ - -/*----------------------------------------------------------------------------------------*/ -/** - * Test the subLinks of a Link to see if they qualify to be reganged. - * - * @HtFeatMethod{::F_REGANG_LINKS} - * - * If they do, update the port list data to indicate that this should be done. - * @note no actual hardware state is changed in this routine. - * - * @param[in,out] State Our global state - */ -VOID -RegangLinks ( - IN OUT STATE_DATA *State - ) -{ - FINAL_LINK_STATE FinalLinkState; - UINT8 i; - UINT8 j; - for (i = 0; i < (State->TotalLinks * 2); i += 2) { - // Data validation - ASSERT ((*State->PortList)[i].Type < 2 && (*State->PortList)[i].Link < State->Nb->MaxLinks); - ASSERT ((*State->PortList)[i + 1].Type < 2 && (*State->PortList)[i + 1].Link < State->Nb->MaxLinks); - - // Regang is false unless we pass all conditions below - (*State->PortList)[i].SelRegang = FALSE; - (*State->PortList)[i + 1].SelRegang = FALSE; - - // Only process cpu to cpu Links - if ( ((*State->PortList)[i].Type != PORTLIST_TYPE_CPU) || - ((*State->PortList)[i + 1].Type != PORTLIST_TYPE_CPU)) { - continue; - } - - for (j = i + 2; j < State->TotalLinks*2; j += 2) { - // Only process cpu to cpu Links - if ( ((*State->PortList)[j].Type != PORTLIST_TYPE_CPU) || - ((*State->PortList)[j + 1].Type != PORTLIST_TYPE_CPU) ) { - continue; - } - - // Links must be from the same source - if ((*State->PortList)[i].NodeID != (*State->PortList)[j].NodeID) { - continue; - } - - // Link must be to the same target - if ((*State->PortList)[i + 1].NodeID != (*State->PortList)[j + 1].NodeID) { - continue; - } - - // Ensure same source base port - if (((*State->PortList)[i].Link & 3) != ((*State->PortList)[j].Link & 3)) { - continue; - } - - // Ensure same destination base port - if (((*State->PortList)[i + 1].Link & 3) != ((*State->PortList)[j + 1].Link & 3)) { - continue; - } - - // Ensure subLink0 routes to subLink0 - if (((*State->PortList)[i].Link & 4) != ((*State->PortList)[i + 1].Link & 4)) { - continue; - } - - // (therefore subLink1 routes to subLink1) - ASSERT (((*State->PortList)[j].Link & 4) == ((*State->PortList)[j + 1].Link & 4)); - - FinalLinkState = State->HtInterface->GetSkipRegang ((*State->PortList)[i].NodeID, - (*State->PortList)[i].Link & 0x03, - (*State->PortList)[i + 1].NodeID, - (*State->PortList)[i + 1].Link & 0x03, - State); - if (FinalLinkState == MATCHED) { - continue; - } else if (FinalLinkState == POWERED_OFF) { - // StopLink will be done on the sublink 1, thus OR in 4 to the link to ensure it. - State->Nb->StopLink ((*State->PortList)[i].NodeID, ((*State->PortList)[i].Link | 4), State, State->Nb); - State->Nb->StopLink ((*State->PortList)[i + 1].NodeID, ((*State->PortList)[i + 1].Link | 4), State, State->Nb); - } - - // - // Create a ganged portlist entry for the two regang-able subLinks. - // - // All info will be that of subLink zero. - // (If Link discovery order was other than ascending, fix the .Pointer field too.) - // - // - if (((*State->PortList)[i].Link & 4) != 0) { - (*State->PortList)[i].Pointer = (*State->PortList)[j].Pointer; - (*State->PortList)[i + 1].Pointer = (*State->PortList)[j + 1].Pointer; - } - (*State->PortList)[i].Link &= 0x03; // Force to point to subLink0 - (*State->PortList)[i + 1].Link &= 0x03; - // If powered off, sublink 1 is removed but the link is still 8 bits. - if (FinalLinkState != POWERED_OFF) { - (*State->PortList)[i].SelRegang = TRUE; // Enable Link reganging - (*State->PortList)[i + 1].SelRegang = TRUE; - (*State->PortList)[i].PrvWidthOutCap = HT_WIDTH_16_BITS; - (*State->PortList)[i + 1].PrvWidthOutCap = HT_WIDTH_16_BITS; - (*State->PortList)[i].PrvWidthInCap = HT_WIDTH_16_BITS; - (*State->PortList)[i + 1].PrvWidthInCap = HT_WIDTH_16_BITS; - } - - // Delete PortList[j, j + 1], slow but easy to debug implementation - State->TotalLinks--; - LibAmdMemCopy (&((*State->PortList)[j]), - &((*State->PortList)[j + 2]), - sizeof (PORT_DESCRIPTOR)*(State->TotalLinks* 2 - j), - State->ConfigHandle); - LibAmdMemFill (&((*State->PortList)[State->TotalLinks * 2]), INVALID_LINK, (sizeof (PORT_DESCRIPTOR) * 2), State->ConfigHandle); - - break; // Exit loop, advance to PortList[i + 2] - } - } -} |