diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbCommonLib/GnbLibCpuAcc.c')
-rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbCommonLib/GnbLibCpuAcc.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbCommonLib/GnbLibCpuAcc.c b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbCommonLib/GnbLibCpuAcc.c new file mode 100644 index 0000000000..39259f7e4d --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbCommonLib/GnbLibCpuAcc.c @@ -0,0 +1,157 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * Service procedure to access various CPU registers. + * + * + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: GNB + * @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. +* *************************************************************************** +* +*/ + +/*---------------------------------------------------------------------------------------- + * M O D U L E S U S E D + *---------------------------------------------------------------------------------------- + */ +#include "Porting.h" +#include "AMD.h" +#include "GnbLibCpuAcc.h" +#include "GnbLibPciAcc.h" +#include "Filecode.h" +#define FILECODE PROC_GNB_MODULES_GNBCOMMONLIB_GNBLIBCPUACC_FILECODE +/*---------------------------------------------------------------------------------------- + * 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 + *---------------------------------------------------------------------------------------- + */ + + +/*----------------------------------------------------------------------------------------*/ +/** + * Read CPU (DCT) indirect registers + * + * + * + * @param[in] Address PCI address of DCT register + * @param[in] IndirectAddress Offset of DCT register + * @param[out] Value Pointer to value + * @param[in] Config Pointer to standard header + */ +VOID +GnbLibCpuPciIndirectRead ( + IN UINT32 Address, + IN UINT32 IndirectAddress, + OUT UINT32 *Value, + IN VOID *Config + ) +{ + UINT32 OffsetRegisterValue; + GnbLibPciWrite (Address, AccessWidth32, &IndirectAddress, Config); + do { + GnbLibPciRead (Address , AccessWidth32, &OffsetRegisterValue, Config); + } while ((OffsetRegisterValue & BIT31) == 0); + GnbLibPciRead (Address + 4, AccessWidth32, Value, Config); +} + + +/*----------------------------------------------------------------------------------------*/ +/** + * Write CPU (DCT) indirect registers + * + * + * + * @param[in] Address PCI address of DCT register + * @param[in] IndirectAddress Offset of DCT register + * @param[in] Value Pointer to value + * @param[in] Config Pointer to standard header + */ +VOID +GnbLibCpuPciIndirectWrite ( + IN UINT32 Address, + IN UINT32 IndirectAddress, + IN UINT32 *Value, + IN VOID *Config + ) +{ + UINT32 OffsetRegisterValue; + OffsetRegisterValue = IndirectAddress | BIT30; + GnbLibPciWrite (Address + 4, AccessWidth32, Value, Config); + GnbLibPciWrite (Address, AccessWidth32, &IndirectAddress, Config); + do { + GnbLibPciRead (Address , AccessWidth32, &OffsetRegisterValue, Config); + } while ((OffsetRegisterValue & BIT31) == 0); +} + + |