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Diffstat (limited to 'src/vendorcode/amd/agesa/f15/Proc/HT/Features/htFeatOptimization.h')
-rw-r--r-- | src/vendorcode/amd/agesa/f15/Proc/HT/Features/htFeatOptimization.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15/Proc/HT/Features/htFeatOptimization.h b/src/vendorcode/amd/agesa/f15/Proc/HT/Features/htFeatOptimization.h new file mode 100644 index 0000000000..e4cf5099a2 --- /dev/null +++ b/src/vendorcode/amd/agesa/f15/Proc/HT/Features/htFeatOptimization.h @@ -0,0 +1,140 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * Link Optimization Feature. + * + * Contains interface for Link Optimization. + * + * @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. + * + * *************************************************************************** + * + */ + +#ifndef _HT_FEAT_OPTIMIZATION_H_ +#define _HT_FEAT_OPTIMIZATION_H_ + +/*---------------------------------------------------------------------------- + * Mixed (DEFINITIONS AND MACROS / TYPEDEFS, STRUCTURES, ENUMS) + * + *---------------------------------------------------------------------------- + */ + +/*----------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *----------------------------------------------------------------------------- + */ + + +/*---------------------------------------------------------------------------- + * FUNCTIONS PROTOTYPE + * + *---------------------------------------------------------------------------- + */ + +/** + * Translate a desired width setting to the bits to set in the register field. + */ +UINT8 +ConvertWidthToBits ( + IN UINT8 Value + ); + +/** + * Access HT Link Control Register. + * + */ +VOID +SetHtControlRegisterBits ( + IN PCI_ADDR Reg, + IN UINT8 HiBit, + IN UINT8 LoBit, + IN UINT32 *Value, + IN STATE_DATA *State + ); + +/** + * Get Link features into system data structure. + * + */ +VOID +GatherLinkData ( + IN STATE_DATA *State + ); + +/** + * Optimize Links. + * + */ +VOID +SelectOptimalWidthAndFrequency ( + IN OUT STATE_DATA *State + ); + +/** + * Change the hardware state for all Links according to the now optimized data in the + * port list data structure. + * + */ +VOID +SetLinkData ( + IN STATE_DATA *State + ); + +/** + * Retry must be enabled on all coherent links if it is enabled on any coherent links. + * + */ +BOOLEAN +IsCoherentRetryFixup ( + IN STATE_DATA *State + ); + +/** + * Find a specific HT capability type. + * + * @retval FALSE the capability was not found + */ +BOOLEAN +DoesDeviceHaveHtSubtypeCap ( + IN PCI_ADDR DevicePointer, + IN UINT8 CapSubType, + OUT PCI_ADDR *CapabilityBase, + IN STATE_DATA *State + ); + +#endif /* _HT_FEAT_OPTIMIZATION_H_ */ |