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Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/Fch/Common/AcpiLib.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/Fch/Common/AcpiLib.c | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Common/AcpiLib.c b/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Common/AcpiLib.c new file mode 100644 index 0000000000..bd94fae296 --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Common/AcpiLib.c @@ -0,0 +1,270 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * FCH ACPI lib + * + * + * + * @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" +#define FILECODE PROC_FCH_COMMON_ACPILIB_FILECODE +// +// +// Routine Description: +// +// Locate ACPI table +// +// Arguments: +// +// Signature - table signature +// +//Returns: +// +// pointer to ACPI table +// +// +VOID* +AcpiLocateTable ( + IN UINT32 Signature + ) +{ + UINT32 Index; + UINT32 *RsdPtr; + UINT32 *Rsdt; + UINTN TableOffset; + DESCRIPTION_HEADER *CurrentTable; + + RsdPtr = (UINT32*) (UINTN) FCHOEM_ACPI_TABLE_RANGE_LOW; + Rsdt = NULL; + do { + if ( *RsdPtr == Int32FromChar('R','S','D',' ') && *(RsdPtr + 1) == Int32FromChar('P','T','R',' ') ) { /* ' DSR' & ' RTP' */ + Rsdt = (UINT32*) (UINTN) ((RSDP_HEADER*)RsdPtr)->RsdtAddress; + break; + } + RsdPtr += 4; + } while ( RsdPtr <= (UINT32*) (UINTN) FCHOEM_ACPI_TABLE_RANGE_HIGH ); + + if ( Rsdt != NULL && AcpiGetTableCheckSum (Rsdt) == 0 ) { + for ( Index = 0; Index < (((DESCRIPTION_HEADER*)Rsdt)->Length - sizeof (DESCRIPTION_HEADER)) / 4; Index++ ) { + TableOffset = *(UINTN*) ((UINT8*)Rsdt + sizeof (DESCRIPTION_HEADER) + Index * 4); + CurrentTable = (DESCRIPTION_HEADER*)TableOffset; + if ( CurrentTable->Signature == Signature ) { + return CurrentTable; + } + } + } + return NULL; +} + +// +// +// Routine Description: +// +// Update table CheckSum +// +// Arguments: +// +// TablePtr - table pointer +// +// Returns: +// +// none +// +// +VOID +AcpiSetTableCheckSum ( + IN VOID *TablePtr + ) +{ + UINT8 CheckSum; + + CheckSum = 0; + ((DESCRIPTION_HEADER*)TablePtr)->CheckSum = 0; + CheckSum = AcpiGetTableCheckSum (TablePtr); + ((DESCRIPTION_HEADER*)TablePtr)->CheckSum = (UINT8) (FCHOEM_ACPI_BYTE_CHECHSUM - CheckSum); +} + +// +// +// Routine Description: +// +// Get table CheckSum - Get ACPI table checksum +// +// Arguments: +// +// TablePtr - table pointer +// +// Returns: +// +// none +// +// +UINT8 +AcpiGetTableCheckSum ( + IN VOID *TablePtr + ) +{ + return GetByteSum (TablePtr, ((DESCRIPTION_HEADER*)TablePtr)->Length); +} + + +// +// +// Routine Description: +// +// GetByteSum - Get BYTE checksum value +// +// Arguments: +// +// DataPtr - table pointer +// Length - table length +// +// Returns: +// +// CheckSum - CheckSum value +// +// +UINT8 +GetByteSum ( + IN VOID *DataPtr, + IN UINT32 Length + ) +{ + UINT32 Index; + UINT8 CheckSum; + + CheckSum = 0; + for ( Index = 0; Index < Length; Index++ ) { + CheckSum = CheckSum + (*((UINT8*)DataPtr + Index)); + } + return CheckSum; +} + +// +// +// Routine Description: +// +// GetFchAcpiMmioBase - Get FCH HwAcpi MMIO Base Address +// +// Arguments: +// +// AcpiMmioBase - HwAcpi MMIO Base Address +// StdHeader - Amd Stand Header +// +// Returns: +// +// AcpiMmioBase - HwAcpi MMIO Base Address +// +// +VOID +GetFchAcpiMmioBase ( + OUT UINT32 *AcpiMmioBase, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 AcpiMmioBaseAddressDword; + + ReadPmio (FCH_PMIOA_REG24 + 2, AccessWidth16, &AcpiMmioBaseAddressDword, StdHeader); + *AcpiMmioBase = AcpiMmioBaseAddressDword << 16; +} + +// +// +// Routine Description: +// +// GetFchAcpiPmBase - Get FCH HwAcpi PM Base Address +// +// Arguments: +// +// AcpiPmBase - HwAcpi PM Base Address +// StdHeader - Amd Stand Header +// +// Returns: +// +// AcpiPmBase - HwAcpi PM Base Address +// +// +VOID +GetFchAcpiPmBase ( + OUT UINT16 *AcpiPmBase, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + ReadPmio (FCH_PMIOA_REG60, AccessWidth16, AcpiPmBase, StdHeader); +} + + +UINT8 +ReadFchSleepType ( + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT16 Value16; + + ReadPmio (FCH_PMIOA_REG62, AccessWidth16, &Value16, StdHeader); + LibAmdIoRead (AccessWidth16, Value16, &Value16, StdHeader); + return (UINT8) ((Value16 >> 10) & 7); +} + |