diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f15/Proc/HT/Features/htFeatSublinks.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15/Proc/HT/Features/htFeatSublinks.c | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/src/vendorcode/amd/agesa/f15/Proc/HT/Features/htFeatSublinks.c b/src/vendorcode/amd/agesa/f15/Proc/HT/Features/htFeatSublinks.c deleted file mode 100644 index 194861a055..0000000000 --- a/src/vendorcode/amd/agesa/f15/Proc/HT/Features/htFeatSublinks.c +++ /dev/null @@ -1,232 +0,0 @@ -/* $NoKeywords:$ */ -/** - * @file - * - * SubLink management Routines. - * - * Contains routines for subLink frequency ratios. - * - * @xrefitem bom "File Content Label" "Release Content" - * @e project: AGESA - * @e sub-project: HyperTransport - * @e \$Revision: 56279 $ @e \$Date: 2011-07-11 13:11:28 -0600 (Mon, 11 Jul 2011) $ - * - */ -/* -***************************************************************************** -* -* Copyright (C) 2012 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 "Ids.h" -#include "amdlib.h" -#include "Topology.h" -#include "htFeat.h" -#include "IdsHt.h" -#include "htFeatSublinks.h" -#include "Filecode.h" -CODE_GROUP (G1_PEICC) -RDATA_GROUP (G2_PEI) - -#define FILECODE PROC_HT_FEATURES_HTFEATSUBLINKS_FILECODE -/*---------------------------------------------------------------------------- - * DEFINITIONS AND MACROS - * - *---------------------------------------------------------------------------- - */ - -/*---------------------------------------------------------------------------- - * TYPEDEFS AND STRUCTURES - * - *---------------------------------------------------------------------------- - */ - -typedef struct { - UINT8 HiFreq; - UINT8 LoFreq; -} VALID_RATIO_ITEM; - -STATIC CONST VALID_RATIO_ITEM ROMDATA ValidRatioList[] = -{ - {HT_FREQUENCY_3200M, HT_FREQUENCY_1600M}, // 3200MHz / 1600MHz 2:1 - {HT_FREQUENCY_3200M, HT_FREQUENCY_800M}, // 3200MHz / 800MHz 4:1 - {HT_FREQUENCY_3200M, HT_FREQUENCY_400M}, // 3200MHz / 400MHz 8:1 - {HT_FREQUENCY_2800M, HT_FREQUENCY_1400M}, // 2800MHz / 1400MHz 2:1 - {HT_FREQUENCY_2400M, HT_FREQUENCY_1200M}, // 2400MHz / 1200MHz 2:1 - {HT_FREQUENCY_2400M, HT_FREQUENCY_600M}, // 2400MHz / 600MHz 4:1 - {HT_FREQUENCY_2400M, HT_FREQUENCY_400M}, // 2400MHz / 400MHz 6:1 - {HT_FREQUENCY_2000M, HT_FREQUENCY_1000M}, // 2000MHz / 1000MHz 2:1 - {HT_FREQUENCY_1600M, HT_FREQUENCY_800M}, // 1600MHz / 800MHz 2:1 - {HT_FREQUENCY_1600M, HT_FREQUENCY_400M}, // 1600MHz / 400MHz 4:1 - {HT_FREQUENCY_1600M, HT_FREQUENCY_200M}, // 1600MHz / 200Mhz 8:1 - {HT_FREQUENCY_1200M, HT_FREQUENCY_600M}, // 1200MHz / 600MHz 2:1 - {HT_FREQUENCY_1200M, HT_FREQUENCY_200M}, // 1200MHz / 200MHz 6:1 - {HT_FREQUENCY_800M, HT_FREQUENCY_400M}, // 800MHz / 400MHz 2:1 - {HT_FREQUENCY_800M, HT_FREQUENCY_200M}, // 800MHz / 200MHz 4:1 - {HT_FREQUENCY_400M, HT_FREQUENCY_200M} // 400MHz / 200MHz 2:1 -}; - -/*---------------------------------------------------------------------------- - * PROTOTYPES OF LOCAL FUNCTIONS - * - *---------------------------------------------------------------------------- - */ - -/*---------------------------------------------------------------------------- - * EXPORTED FUNCTIONS - * - *---------------------------------------------------------------------------- - */ - -/*---------------------------------------------------------------------------- - * LOCAL FUNCTIONS - * - *---------------------------------------------------------------------------- - */ - -/*************************************************************************** - *** Link Optimization *** - ***************************************************************************/ - -/*----------------------------------------------------------------------------------------*/ -/** - * Iterate through all Links, checking the frequency of each subLink pair. - * - * @HtFeatMethod{::F_SUBLINK_RATIO_FIXUP} - * - * Make the adjustment to the port list data so that the frequencies - * are at a valid ratio, reducing frequency as needed to achieve - * this. (All Links support the minimum 200 MHz frequency.) Repeat - * the above until no adjustments are needed. - * @note no hardware state changes in this routine. - * - * @param[in,out] State Link state and port list - * - */ -VOID -SubLinkRatioFixup ( - IN OUT STATE_DATA *State - ) -{ - UINT8 i; - UINT8 j; - UINT8 ValidRatioItem; - BOOLEAN Changes; - BOOLEAN Downgrade; - UINT8 HiIndex; - UINT8 HiFreq; - UINT8 LoFreq; - - UINT32 Temp; - - do { - Changes = FALSE; - for (i = 0; i < State->TotalLinks*2; i++) { - // Must be a CPU Link - if ((*State->PortList)[i].Type != PORTLIST_TYPE_CPU) { - continue; - } - // Only look for subLink1's - if ((*State->PortList)[i].Link < 4) { - continue; - } - - for (j = 0; j < State->TotalLinks*2; j++) { - // Step 1. Find the matching subLink0 - if ((*State->PortList)[j].Type != PORTLIST_TYPE_CPU) { - continue; - } - if ((*State->PortList)[j].NodeID != (*State->PortList)[i].NodeID) { - continue; - } - if ((*State->PortList)[j].Link != ((*State->PortList)[i].Link & 0x03)) { - continue; - } - - // Step 2. Check for an illegal frequency ratio - if ((*State->PortList)[i].SelFrequency >= (*State->PortList)[j].SelFrequency) { - HiIndex = i; - HiFreq = (*State->PortList)[i].SelFrequency; - LoFreq = (*State->PortList)[j].SelFrequency; - } else { - HiIndex = j; - HiFreq = (*State->PortList)[j].SelFrequency; - LoFreq = (*State->PortList)[i].SelFrequency; - } - - // The frequencies are 1:1, no need to do anything - if (HiFreq == LoFreq) { - break; - } - - Downgrade = TRUE; - - for (ValidRatioItem = 0; ValidRatioItem < (sizeof (ValidRatioList) / sizeof (VALID_RATIO_ITEM)); ValidRatioItem++) { - if ((HiFreq == ValidRatioList[ValidRatioItem].HiFreq) && - (LoFreq == ValidRatioList[ValidRatioItem].LoFreq)) { - Downgrade = FALSE; - break; - } - } - - // Step 3. Downgrade the higher of the two frequencies, and set Changes to FALSE - if (Downgrade) { - // Although the problem was with the port specified by hiIndex, we need to - // Downgrade both ends of the Link. - HiIndex = HiIndex & 0xFE; // Select the 'upstream' (i.e. even) port - - Temp = (*State->PortList)[HiIndex].CompositeFrequencyCap; - - // Remove HiFreq from the list of valid frequencies - Temp = Temp & ~((UINT32)1 << HiFreq); - ASSERT (Temp != 0); - (*State->PortList)[HiIndex].CompositeFrequencyCap = (UINT32)Temp; - (*State->PortList)[HiIndex + 1].CompositeFrequencyCap = (UINT32)Temp; - - HiFreq = LibAmdBitScanReverse (Temp); - - (*State->PortList)[HiIndex].SelFrequency = HiFreq; - (*State->PortList)[HiIndex + 1].SelFrequency = HiFreq; - - Changes = TRUE; - } - } - } - } while (Changes); // Repeat until a valid configuration is reached -} |