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Diffstat (limited to 'src/vendorcode/amd/agesa/f12/Proc/Fch/Common/AcpiLib.c')
| -rwxr-xr-x | src/vendorcode/amd/agesa/f12/Proc/Fch/Common/AcpiLib.c | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f12/Proc/Fch/Common/AcpiLib.c b/src/vendorcode/amd/agesa/f12/Proc/Fch/Common/AcpiLib.c new file mode 100755 index 0000000000..1dbcf81729 --- /dev/null +++ b/src/vendorcode/amd/agesa/f12/Proc/Fch/Common/AcpiLib.c @@ -0,0 +1,231 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * FCH ACPI lib + * + * + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: FCH + * @e \$Revision: 44324 $ @e \$Date: 2010-12-22 17:16:51 +0800 (Wed, 22 Dec 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. +**************************************************************************** +*/ +#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 == ' DSR' && *(RsdPtr + 1) == ' 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); +} + + |