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/* $NoKeywords:$ */
/**
* @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);
}
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