| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * FCH ACPI lib |
| * |
| * |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: FCH |
| * @e \$Revision: 84150 $ @e \$Date: 2012-12-12 15:46:25 -0600 (Wed, 12 Dec 2012) $ |
| * |
| */ |
| /* |
| ***************************************************************************** |
| * |
| * Copyright (c) 2008 - 2013, 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 == 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); |
| } |
| |