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Diffstat (limited to 'src/vendorcode/amd/pi/00670F00/Proc/CPU/Feature/cpuCacheInit.h')
| -rw-r--r-- | src/vendorcode/amd/pi/00670F00/Proc/CPU/Feature/cpuCacheInit.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/vendorcode/amd/pi/00670F00/Proc/CPU/Feature/cpuCacheInit.h b/src/vendorcode/amd/pi/00670F00/Proc/CPU/Feature/cpuCacheInit.h new file mode 100644 index 0000000000..3ee71cd624 --- /dev/null +++ b/src/vendorcode/amd/pi/00670F00/Proc/CPU/Feature/cpuCacheInit.h @@ -0,0 +1,137 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD CPU Execution Cache Allocation functions. + * + * Contains code for doing Execution Cache Allocation for ROM space + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: CPU + * @e \$Revision: 309090 $ @e \$Date: 2014-12-09 12:28:05 -0600 (Tue, 09 Dec 2014) $ + * + */ + /***************************************************************************** + * + * Copyright (c) 2008 - 2015, 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 _CPU_CACHE_INIT_H_ +#define _CPU_CACHE_INIT_H_ + +/*---------------------------------------------------------------------------- + * Mixed (DEFINITIONS AND MACROS / TYPEDEFS, STRUCTURES, ENUMS) + * + *---------------------------------------------------------------------------- + */ + +/*----------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *----------------------------------------------------------------------------- + */ +#define BSP_STACK_SIZE_64K 65536 +#define BSP_STACK_SIZE_32K 32768 + +#define CORE0_STACK_SIZE 16384 +#define CORE1_STACK_SIZE 4096 + +#define AMD_MTRR_FIX4K_BASE 0x268 +#define AMD_MTRR_VARIABLE_BASE6 0x20C +#define AMD_MTRR_VARIABLE_BASE7 0x20E + +#define WP_IO 0x0505050505050505ull + +#define AGESA_CACHE_SIZE_REDUCED 1 +#define AGESA_CACHE_REGIONS_ACROSS_1MB 2 +#define AGESA_CACHE_REGIONS_ACROSS_4GB 3 +#define AGESA_REGION_NOT_ALIGNED_ON_BOUNDARY 4 +#define AGESA_CACHE_START_ADDRESS_LESS_D0000 5 +#define AGESA_THREE_CACHE_REGIONS_ABOVE_1MB 6 +#define AGESA_DEALLOCATE_CACHE_REGIONS 7 + +/*---------------------------------------------------------------------------- + * TYPEDEFS, STRUCTURES, ENUMS + * + *---------------------------------------------------------------------------- + */ +/// Cache-As-Ram Executable region allocation modes +typedef enum { + LimitedByL2Size, ///< Execution space must be allocated from L2 + InfiniteExe, ///< Family can support unlimited Execution space + MaxCarExeMode ///< Used as limit or bounds check +} CAR_EXE_MODE; + +/// Cache Information +typedef struct { + IN UINT32 BspStackSize; ///< Stack size of BSP + IN UINT32 Core0StackSize; ///< Stack size of primary cores + IN UINT32 Core1StackSize; ///< Stack size of all non primary cores + IN UINT32 MemTrainingBufferSize; ///< Memory training buffer size + IN UINT32 SharedMemSize; ///< Shared memory size + IN UINT64 VariableMtrrMask; ///< Mask to apply before variable MTRR writes + IN UINT64 VariableMtrrHeapMask; ///< Mask to apply before variable MTRR writes for use in heap init. + IN UINT64 HeapBaseMask; ///< Mask used for the heap MTRR settings + IN CAR_EXE_MODE CarExeType; ///< Indicates which algorithm to use when allocating EXE space +} CACHE_INFO; + +/// Merged memory region overlap type +typedef enum { + EmptySet, ///< One of the regions is zero length + Disjoint, ///< The two regions do not touch + Adjacent, ///< one region is next to the other, no gap + CommonEnd, ///< regions overlap with a common end point + Extending, ///< the 2nd region is extending the size of the 1st + Contained, ///< the 2nd region is wholely contained inside the 1st + CommonStartContained, ///< the 2nd region is contained in the 1st with a common start + Identity, ///< the two regions are the same + CommonStartExtending, ///< the 2nd region has same start as 1st, but is larger size + NotCombinable ///< the combined regions do not follow the cache block rules +} OVERLAP_TYPE; + +/// Result of merging two memory regions for cache coverage +typedef struct { + IN OUT UINT32 MergedStartAddr; ///< Start address of the merged regions + IN OUT UINT32 MergedSize; ///< Size of the merged regions + OUT UINT32 OverlapAmount; ///< the size of the overlapping section + OUT OVERLAP_TYPE OverlapType; ///< indicates how the two regions overlap +} MERGED_CACHE_REGION; + +/*---------------------------------------------------------------------------- + * FUNCTIONS PROTOTYPE + * + *---------------------------------------------------------------------------- + */ +AGESA_STATUS +AllocateExecutionCache ( + IN AMD_CONFIG_PARAMS *StdHeader, + IN EXECUTION_CACHE_REGION *AmdExeAddrMapPtr + ); + +#endif // _CPU_CACHE_INIT_H_ + |