diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/Fch/Imc/ImcEnv.c')
-rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/Fch/Imc/ImcEnv.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Imc/ImcEnv.c b/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Imc/ImcEnv.c new file mode 100644 index 0000000000..4bc73bbb40 --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Imc/ImcEnv.c @@ -0,0 +1,179 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * Config Fch Imc controller + * + * Init Imc Controller features. + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: FCH + * @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ + * + */ +/* +***************************************************************************** +* +* Copyright 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved. +* +* AMD is granting you permission to use this software (the Materials) +* pursuant to the terms and conditions of your Software License Agreement +* with AMD. This header does *NOT* give you permission to use the Materials +* or any rights under AMD's intellectual property. Your use of any portion +* of these Materials shall constitute your acceptance of those terms and +* conditions. If you do not agree to the terms and conditions of the Software +* License Agreement, please do not use any portion of these Materials. +* +* CONFIDENTIALITY: The Materials and all other information, identified as +* confidential and provided to you by AMD shall be kept confidential in +* accordance with the terms and conditions of the Software License Agreement. +* +* LIMITATION OF LIABILITY: THE MATERIALS AND ANY OTHER RELATED INFORMATION +* PROVIDED TO YOU BY AMD ARE PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED +* WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO WARRANTIES OF +* MERCHANTABILITY, NONINFRINGEMENT, TITLE, FITNESS FOR ANY PARTICULAR PURPOSE, +* OR WARRANTIES ARISING FROM CONDUCT, COURSE OF DEALING, OR USAGE OF TRADE. +* IN NO EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES WHATSOEVER +* (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS +* INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF AMD'S NEGLIGENCE, +* GROSS NEGLIGENCE, THE USE OF OR INABILITY TO USE THE MATERIALS OR ANY OTHER +* RELATED INFORMATION PROVIDED TO YOU BY AMD, EVEN IF AMD HAS BEEN ADVISED OF +* THE POSSIBILITY OF SUCH DAMAGES. BECAUSE SOME JURISDICTIONS PROHIBIT THE +* EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, +* THE ABOVE LIMITATION MAY NOT APPLY TO YOU. +* +* AMD does not assume any responsibility for any errors which may appear in +* the Materials or any other related information provided to you by AMD, or +* result from use of the Materials or any related information. +* +* You agree that you will not reverse engineer or decompile the Materials. +* +* NO SUPPORT OBLIGATION: AMD is not obligated to furnish, support, or make any +* further information, software, technical information, know-how, or show-how +* available to you. Additionally, AMD retains the right to modify the +* Materials at any time, without notice, and is not obligated to provide such +* modified Materials to you. +* +* U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials are provided with +* "RESTRICTED RIGHTS." Use, duplication, or disclosure by the Government is +* subject to the restrictions as set forth in FAR 52.227-14 and +* DFAR252.227-7013, et seq., or its successor. Use of the Materials by the +* Government constitutes acknowledgement of AMD's proprietary rights in them. +* +* EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any +* direct product thereof will be exported directly or indirectly, into any +* country prohibited by the United States Export Administration Act and the +* regulations thereunder, without the required authorization from the U.S. +* government nor will be used for any purpose prohibited by the same. +**************************************************************************** +*/ +#include "FchPlatform.h" +#include "Filecode.h" +#define FILECODE PROC_FCH_IMC_IMCENV_FILECODE + + + +// +// Declaration of local functions +// + + +/** + * FchInitEnvImc - Config Imc controller before PCI emulation + * + * + * + * @param[in] FchDataPtr Fch configuration structure pointer. + * + */ +VOID +FchInitEnvImc ( + IN VOID *FchDataPtr + ) +{ + UINT8 PortStatusByte; + FCH_DATA_BLOCK *LocalCfgPtr; + + LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr; + + GetChipSysMode (&PortStatusByte, LocalCfgPtr->StdHeader); + + // + // Software IMC enable + // + if (((LocalCfgPtr->Imc.ImcEnableOverWrite == 1) && ((PortStatusByte & ChipSysEcEnable) == 0)) || ((LocalCfgPtr->Imc.ImcEnableOverWrite == 2) && ((PortStatusByte & ChipSysEcEnable) == ChipSysEcEnable))) { + if (ValidateImcFirmware (LocalCfgPtr)) { + SoftwareToggleImcStrapping (LocalCfgPtr); + } + } + + FchInitEnvEc (LocalCfgPtr); +} + +/** + * ValidateImcFirmware - Validate IMC Firmware. + * + * + * @param[in] FchDataPtr Fch configuration structure pointer. + * + * @retval TRUE Pass + * @retval FALSE Failed + */ +BOOLEAN +ValidateImcFirmware ( + IN VOID *FchDataPtr + ) +{ + UINT32 ImcSig; + UINT32 ImcSigAddr; + UINT32 ImcAddr; + UINT32 CurAddr; + UINT32 ImcBinSig0; + UINT32 ImcBinSig1; + UINT16 ImcBinSig2; + UINT8 IMCChecksumeByte; + UINT8 IMCByte; + + ImcAddr = 0; + + // + // Software IMC enable + // + ImcSigAddr = 0x80000; /// start from 512k to 64M + ImcSig = 0x0; + + while ( ( ImcSig != 0x55aa55aa ) && ( ImcSigAddr <= 0x4000000 ) ) { + CurAddr = 0xffffffff - ImcSigAddr + 0x20001; + ReadMem (CurAddr, AccessWidth32, &ImcSig); + ReadMem ((CurAddr + 4), AccessWidth32, &ImcAddr); + ImcSigAddr <<= 1; + } + + IMCChecksumeByte = 0xff; + + if ( ImcSig == 0x55aa55aa ) { + // + // "_AMD_IMC_C" at offset 0x2000 of the binary + // + ReadMem ((ImcAddr + 0x2000), AccessWidth32, &ImcBinSig0); + ReadMem ((ImcAddr + 0x2004), AccessWidth32, &ImcBinSig1); + ReadMem ((ImcAddr + 0x2008), AccessWidth16, &ImcBinSig2); + + if ((ImcBinSig0 == 0x444D415F) && (ImcBinSig1 == 0x434D495F) && (ImcBinSig2 == 0x435F) ) { + IMCChecksumeByte = 0; + + for ( CurAddr = ImcAddr; CurAddr < ImcAddr + 0x10000; CurAddr++ ) { + ReadMem (CurAddr, AccessWidth8, &IMCByte); + IMCChecksumeByte = IMCChecksumeByte + IMCByte; + } + } + } + + if ( IMCChecksumeByte ) { + return FALSE; + } else { + return TRUE; + } +} + |