diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f12/Proc/Mem/Main/mu.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f12/Proc/Mem/Main/mu.c | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/src/vendorcode/amd/agesa/f12/Proc/Mem/Main/mu.c b/src/vendorcode/amd/agesa/f12/Proc/Mem/Main/mu.c deleted file mode 100644 index c31d794ea0..0000000000 --- a/src/vendorcode/amd/agesa/f12/Proc/Mem/Main/mu.c +++ /dev/null @@ -1,253 +0,0 @@ -/* $NoKeywords:$ */ -/** - * @file - * - * HyperTransport features and sequence implementation. - * - * Implements the external AmdHtInitialize entry point. - * Contains routines for directing the sequence of available features. - * Mostly, but not exclusively, AGESA_TESTPOINT invocations should be - * contained in this file, and not in the feature code. - * - * From a build option perspective, it may be that a few lines could be removed - * from compilation in this file for certain options. It is considered that - * the code savings from this are too small to be of concern and this file - * should not have any explicit build option implementation. - * - * @xrefitem bom "File Content Label" "Release Content" - * @e project: AGESA - * @e sub-project: HyperTransport - * @e \$Revision: 35978 $ @e \$Date: 2010-08-07 02:18:50 +0800 (Sat, 07 Aug 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. - * - * *************************************************************************** - * - */ - -/*---------------------------------------------------------------------------------------- - * M O D U L E S U S E D - *---------------------------------------------------------------------------------------- - */ - -#include "AGESA.h" -#include "amdlib.h" -#include "Filecode.h" - -/*---------------------------------------------------------------------------------------- - * D E F I N I T I O N S A N D M A C R O S - *---------------------------------------------------------------------------------------- - */ - -/*---------------------------------------------------------------------------------------- - * T Y P E D E F S A N D S T R U C T U R E S - *---------------------------------------------------------------------------------------- - */ - -/*---------------------------------------------------------------------------------------- - * P R O T O T Y P E S O F L O C A L F U N C T I O N S - *---------------------------------------------------------------------------------------- - */ - -VOID -MemUWriteCachelines ( - IN UINT32 Address, - IN UINT8 Pattern[], - IN UINT16 ClCount - ); - -VOID -MemUReadCachelines ( - IN UINT8 Buffer[], - IN UINT32 Address, - IN UINT16 ClCount - ); - -VOID -MemUDummyCLRead ( - IN UINT32 Address - ); - -VOID -MemUMFenceInstr ( - VOID - ); - -VOID -MemUFlushPattern ( - IN UINT32 Address, - IN UINT16 ClCount - ); - -VOID -AlignPointerTo16Byte ( - IN OUT UINT8 **BufferPtrPtr - ); - -/*---------------------------------------------------------------------------------------- - * E X P O R T E D F U N C T I O N S - *---------------------------------------------------------------------------------------- - */ - -/*--------------------------------------------------------------------------------------- - * L O C A L F U N C T I O N S - *--------------------------------------------------------------------------------------- - */ - - - -//---------------------------------------------------------------------------- - -VOID -MemUWriteCachelines ( - IN UINT32 Address, - IN UINT8 Pattern[], - IN UINT16 ClCount - ) -{ - UINTN Index; - CHAR8 *Position; - __m128i *Src = (void *) Pattern; - __m128i *Dest = (void *) (size_t)Address; - - Position = (void *) Pattern; - - // ssd - important: without this, the src data may get evicted from cache - _mm_mfence (); - - for (Index = 0; Index < ClCount * 4; Index++){ - _mm_stream_si128_fs (Dest, Src); - Src++; - Dest++; - } - - // ssd - might not be required, but no measurable boot time impact - _mm_mfence (); -} - - -//---------------------------------------------------------------------------- -// MemUReadCachelines: -// -// Read a pattern of 72 bit times (per DQ), to test dram functionality. The -// pattern is a stress pattern which exercises both ISI and crosstalk. The number -// of cache lines to fill is dependent on DCT width mode and burstlength. -// -// In: Buffer - pointer to a buffer where read data will be stored -// Address - Physical address to be read -// ClCount - number of cachelines to be read - -VOID -MemUReadCachelines ( - IN UINT8 Buffer[], - IN UINT32 Address, - IN UINT16 ClCount - ) -{ - UINTN Index; - UINT32 *Dest; - - for (Index = 0; Index < ClCount * 16; Index++) { - Dest = (void *) &Buffer [Index * 4]; - *Dest = __readfsdword (Address + Index * 4); - _mm_mfence (); - } -} - -//---------------------------------------------------------------------------- -// MemUDummyCLRead: -// -// Perform a single cache line read from a given physical address. -// -// In: Address - Physical address to be read -// ClCount - number of cachelines to be read - -//FUNC_ATTRIBUTE (noinline) -VOID -MemUDummyCLRead ( - IN UINT32 Address - ) -{ - _mm_sfence (); - __readfsbyte (Address); -} - -//---------------------------------------------------------------------------- - -VOID -MemUMFenceInstr ( - VOID - ) -{ - _mm_mfence (); -} - -//---------------------------------------------------------------------------- -// MemUFlushPattern: -// -// Flush a pattern of 72 bit times (per DQ) from cache. This procedure is used -// to ensure cache miss on the next read training. -// -// In: Address - Physical address to be flushed -// ClCount - number of cachelines to be flushed -//FUNC_ATTRIBUTE(noinline) -VOID -MemUFlushPattern ( - IN UINT32 Address, - IN UINT16 ClCount - ) -{ - UINTN Index; - - // ssd - theory: a tlb flush is needed to avoid problems with clflush - __writemsr (0x20F, __readmsr (0x20F)); - - for (Index = 0; Index < ClCount; Index++) { - // mfence prevents speculative execution of the clflush - _mm_mfence (); - _mm_clflush_fs ((void *) (size_t) (Address + Index * 64)); - } -} - -//---------------------------------------------------------------------------- - -//FUNC_ATTRIBUTE(noinline) -VOID -AlignPointerTo16Byte ( - IN OUT UINT8 **BufferPtrPtr - ) -{ - size_t Address = (size_t) *BufferPtrPtr; - Address += 15; - Address -= Address % 16; - *BufferPtrPtr = (void *) Address; -} - -//---------------------------------------------------------------------------- |