diff options
Diffstat (limited to 'src/vendorcode/amd/cimx/sb800/SBPELIB.c')
-rw-r--r-- | src/vendorcode/amd/cimx/sb800/SBPELIB.c | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/src/vendorcode/amd/cimx/sb800/SBPELIB.c b/src/vendorcode/amd/cimx/sb800/SBPELIB.c new file mode 100644 index 0000000000..3186a1af56 --- /dev/null +++ b/src/vendorcode/amd/cimx/sb800/SBPELIB.c @@ -0,0 +1,198 @@ +/** + * @file + * + * Southbridge IO access common routine + * + * + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: CIMx-SB + * @e sub-project: + * @e \$Revision:$ @e \$Date:$ + * + */ +/* + ***************************************************************************** + * + * 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 "SBPLATFORM.h" +#include "cbtypes.h" + +/** + * Read Southbridge Revision ID cie Base + * + * + * @retval 0xXXXXXXXX Revision ID + * + */ +UINT8 +getRevisionID ( + OUT VOID + ) +{ + UINT8 dbVar0; + ReadPCI (((SMBUS_BUS_DEV_FUN << 16) + SB_CFG_REG08), AccWidthUint8, &dbVar0); + return dbVar0; +} + +/*----------------------------------------------------------------------------------------*/ +/** + * programPciByteTable - Program PCI register by table (8 bits data) + * + * + * + * @param[in] pPciByteTable - Table data pointer + * @param[in] dwTableSize - Table length + * + */ +VOID +programPciByteTable ( + IN REG8MASK* pPciByteTable, + IN UINT16 dwTableSize + ) +{ + UINT8 i; + UINT8 dbBusNo; + UINT8 dbDevFnNo; + UINT32 ddBDFR; + + dbBusNo = pPciByteTable->bRegIndex; + dbDevFnNo = pPciByteTable->bANDMask; + pPciByteTable++; + + for ( i = 1; i < dwTableSize; i++ ) { + if ( (pPciByteTable->bRegIndex == 0xFF) && (pPciByteTable->bANDMask == 0xFF) && (pPciByteTable->bORMask == 0xFF) ) { + pPciByteTable++; + dbBusNo = pPciByteTable->bRegIndex; + dbDevFnNo = pPciByteTable->bANDMask; + pPciByteTable++; + i++; + } else { + ddBDFR = (dbBusNo << 24) + (dbDevFnNo << 16) + (pPciByteTable->bRegIndex) ; + RWPCI (ddBDFR, AccWidthUint8 | S3_SAVE, pPciByteTable->bANDMask, pPciByteTable->bORMask); + pPciByteTable++; + } + } +} + +/*----------------------------------------------------------------------------------------*/ +/** + * programSbAcpiMmioTbl - Program SB ACPI MMIO register by table (8 bits data) + * + * + * + * @param[in] pAcpiTbl - Table data pointer + * + */ +VOID +programSbAcpiMmioTbl ( + IN AcpiRegWrite *pAcpiTbl + ) +{ + UINT8 i; + UINT32 ddtempVar; + if (pAcpiTbl != NULL) { + for ( i = 1; pAcpiTbl->MmioBase < 0xf0; i++ ) { + ddtempVar = 0xFED80000 | (pAcpiTbl->MmioBase) << 8 | pAcpiTbl->MmioReg; + RWMEM (ddtempVar, AccWidthUint8, ((pAcpiTbl->DataANDMask) | 0xFFFFFF00), pAcpiTbl->DataOrMask); + pAcpiTbl++; + } + } +} + +/** + * getChipSysMode - Get Chip status + * + * + * @param[in] Value - Return Chip strap status + * StrapStatus [15.0] - SB800 chip Strap Status + * @li <b>0001</b> - Not USED FWH + * @li <b>0002</b> - Not USED LPC ROM + * @li <b>0004</b> - EC enabled + * @li <b>0008</b> - Reserved + * @li <b>0010</b> - Internal Clock mode + * + */ +VOID +getChipSysMode ( + IN VOID* Value + ) +{ + ReadMEM (ACPI_MMIO_BASE + MISC_BASE + SB_MISC_REG80, AccWidthUint8, Value); +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Read Southbridge CIMx configuration structure pointer + * + * + * + * @retval 0xXXXXXXXX CIMx configuration structure pointer. + * + */ +AMDSBCFG* +getConfigPointer ( + OUT VOID + ) +{ + UINT8 dbReg; + UINT8 dbValue; + UINT8 i; + UINT32 ddValue; + ddValue = 0; + dbReg = SB_ECMOS_REG08; + + for ( i = 0; i <= 3; i++ ) { + WriteIO (SB_IOMAP_REG72, AccWidthUint8, &dbReg); + ReadIO (SB_IOMAP_REG73, AccWidthUint8, &dbValue); + ddValue |= (dbValue << (i * 8)); + dbReg++; + } + return ( (AMDSBCFG*) (UINTN)ddValue); +} + +/** + * getEfuseStatue - Get Efuse status + * + * + * @param[in] Value - Return Chip strap status + * + */ +VOID +getEfuseStatus ( + IN VOID* Value + ) +{ + RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGC8, AccWidthUint8, ~BIT5, BIT5); + WriteMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGD8, AccWidthUint8, Value); + ReadMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGD8 + 1, AccWidthUint8, Value); + RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGC8, AccWidthUint8, ~BIT5, 0); +} |