diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f15/Proc/HT/Fam15/htNbOptimizationFam15.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15/Proc/HT/Fam15/htNbOptimizationFam15.c | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/src/vendorcode/amd/agesa/f15/Proc/HT/Fam15/htNbOptimizationFam15.c b/src/vendorcode/amd/agesa/f15/Proc/HT/Fam15/htNbOptimizationFam15.c deleted file mode 100644 index 75595c4959..0000000000 --- a/src/vendorcode/amd/agesa/f15/Proc/HT/Fam15/htNbOptimizationFam15.c +++ /dev/null @@ -1,148 +0,0 @@ -/* $NoKeywords:$ */ -/** - * @file - * - * Link optimization support specific to family 15h processors. - * - * @xrefitem bom "File Content Label" "Release Content" - * @e project: AGESA - * @e sub-project: HyperTransport - * @e \$Revision: 44324 $ @e \$Date: 2010-12-22 02:16:51 -0700 (Wed, 22 Dec 2010) $ - * - */ -/* -***************************************************************************** -* -* 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 "Topology.h" -#include "htFeat.h" -#include "htInterface.h" -#include "htNb.h" -#include "htNbOptimizationFam15.h" -#include "Filecode.h" -CODE_GROUP (G2_PEI) -RDATA_GROUP (G2_PEI) -#define FILECODE PROC_HT_FAM15_HTNBOPTIMIZATIONFAM15_FILECODE -/*---------------------------------------------------------------------------- - * DEFINITIONS AND MACROS - * - *---------------------------------------------------------------------------- - */ - -/*----------------------------------------------------------------------------------------*/ -/** - * Northbridge specific Frequency limit. - * - * @HtNbMethod{::F_NORTH_BRIDGE_FREQ_MASK} - * - * Return a mask that eliminates HT frequencies that cannot be used due to a slow - * northbridge frequency. - * - * @param[in] Node Result could (later) be for a specific Node - * @param[in] Interface Access to non-HT support functions. - * @param[in] PlatformConfig Platform profile/build option config structure. - * @param[in] Nb this northbridge - * - * @return Frequency mask - */ -UINT32 -Fam15NorthBridgeFreqMask ( - IN UINT8 Node, - IN HT_INTERFACE *Interface, - IN PLATFORM_CONFIGURATION *PlatformConfig, - IN NORTHBRIDGE *Nb - ) -{ - UINT32 NbCoreFreq; - UINT32 Supported; - - ASSERT (Node < MAX_NODES); - ASSERT (Interface != NULL); - // The interface to power management will return a system based result. - // So we only need to call it once, not on every link. Save the answer, - // and check to see if we can use a saved answer on subsequent calls. - // - if (Nb->CoreFrequency == 0) { - NbCoreFreq = Interface->GetMinNbCoreFreq (PlatformConfig, Nb->ConfigHandle); - NbCoreFreq = (NbCoreFreq / 100); - ASSERT (NbCoreFreq != 0); - Nb->CoreFrequency = NbCoreFreq; - } else { - NbCoreFreq = Nb->CoreFrequency; - } - - // The Ht frequency can go twice the Nb COF, as long as it's HT3. - // (side note: we are not speculatively upgrading HT1 at 6 .. 10 to HT3, - // to avoid complicated recovery if the final speed is HT1.) - if (NbCoreFreq > 10) { - NbCoreFreq = NbCoreFreq * 2; - } - // - // NbCoreFreq is minimum northbridge speed in hundreds of MHz. - // HT can not go faster than the minimum speed of the northbridge. - // - if ((NbCoreFreq >= 6) && (NbCoreFreq <= 26)) { - // Convert frequency to bit and all less significant bits, - // by setting next power of 2 and subtracting 1. - // - Supported = ((UINT32)1 << ((NbCoreFreq >> 1) + 2)) - 1; - } else if ((NbCoreFreq > 26) && (NbCoreFreq <= 32)) { - // Convert frequency to bit and all less significant bits, - // by setting next power of 2 and subtracting 1, noting that - // next power of two is two greater than non-extended frequencies - // (because of the register break). - // - Supported = ((UINT32)1 << ((NbCoreFreq >> 1) + 4)) - 1; - } else if (NbCoreFreq > 32) { - Supported = HT_FREQUENCY_LIMIT_MAX; - } else if (NbCoreFreq == 4) { - // unlikely cases, but include as a defensive measure, also avoid trick above - Supported = HT_FREQUENCY_LIMIT_400M; - } else if (NbCoreFreq == 2) { - Supported = HT_FREQUENCY_LIMIT_200M; - } else { - ASSERT (FALSE); - Supported = HT_FREQUENCY_LIMIT_200M; - } - - return (Supported); -} |