| /** |
| * @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" |
| #include "AmdSbLib.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; |
| } |
| |
| /** |
| * Is SB A11? |
| * |
| * |
| * @retval TRUE or FALSE |
| * |
| */ |
| BOOLEAN |
| IsSbA11 ( |
| OUT VOID |
| ) |
| { |
| return ( getRevisionID () == AMD_SB_A11 ); |
| } |
| |
| /** |
| * Is SB A12? |
| * |
| * |
| * @retval TRUE or FALSE |
| * |
| */ |
| BOOLEAN |
| IsSbA12 ( |
| OUT VOID |
| ) |
| { |
| return ( getRevisionID () == AMD_SB_A12 ); |
| } |
| |
| /** |
| * Is SB A12 Plus? |
| * |
| * |
| * @retval TRUE or FALSE |
| * |
| */ |
| BOOLEAN |
| IsSbA12Plus ( |
| OUT VOID |
| ) |
| { |
| return ( getRevisionID () >= AMD_SB_A12 ); |
| } |
| |
| /** |
| * Is SB A13 Plus? |
| * |
| * |
| * @retval TRUE or FALSE |
| * |
| */ |
| BOOLEAN |
| IsSbA13Plus ( |
| OUT VOID |
| ) |
| { |
| return ( getRevisionID () >= AMD_SB_A13 ); |
| } |
| |
| /** |
| * Is External Clock Mode? |
| * |
| * |
| * @retval TRUE or FALSE |
| * |
| */ |
| BOOLEAN |
| IsExternalClockMode ( |
| OUT VOID |
| ) |
| { |
| return ( (BOOLEAN) ((ACPIMMIO32 (ACPI_MMIO_BASE + MISC_BASE + SB_MISC_REG80) & BIT4) == 0) ); |
| } |
| |
| /** |
| * Is LPC Rom? |
| * |
| * |
| * @retval TRUE or FALSE |
| * |
| */ |
| BOOLEAN |
| IsLpcRom ( |
| OUT VOID |
| ) |
| { |
| return ( (BOOLEAN) ((ACPIMMIO32 (ACPI_MMIO_BASE + MISC_BASE + SB_MISC_REG80) & BIT1) == 0) ); |
| } |
| |
| /** |
| * Memory Copy |
| * |
| * |
| * @retval VOID |
| * |
| */ |
| VOID |
| MemoryCopy ( |
| IN UINT8 *Dest, |
| IN UINT8 *Source, |
| IN UINTN Size |
| ) |
| { |
| UINTN i; |
| for ( i = 0; i < Size; i++ ) { |
| *Dest = *Source; |
| Dest++; |
| Source++; |
| } |
| } |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * 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) ; |
| TRACE ((DMSG_SB_TRACE, "PFA = %X AND = %X, OR = %X", ddBDFR, pPciByteTable->bANDMask, pPciByteTable->bORMask)); |
| 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) { |
| if ((pAcpiTbl->MmioReg == 0) && (pAcpiTbl->MmioBase == 0) && (pAcpiTbl->DataANDMask == 0xB0) && (pAcpiTbl->DataOrMask == 0xAC)) { |
| // Signature Checking |
| pAcpiTbl++; |
| for ( i = 1; pAcpiTbl->MmioBase < 0x1D; 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] - Hudson-2 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); |
| } |
| |
| /** |
| * isImcEnabled - Is IMC Enabled |
| * @retval TRUE for IMC Enabled; FALSE for IMC Disabled |
| */ |
| BOOLEAN |
| isImcEnabled ( |
| ) |
| { |
| UINT8 dbSysConfig; |
| getChipSysMode (&dbSysConfig); |
| if (dbSysConfig & ChipSysEcEnable) { |
| return TRUE; |
| } else { |
| return FALSE; |
| } |
| } |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * 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); |
| } |
| |
| /** |
| * getEfuseByte - Get Efuse Byte |
| * |
| * |
| * @param[in] Index - Efuse Index value |
| * |
| */ |
| UINT8 |
| getEfuseByte ( |
| IN UINT8 Index |
| ) |
| { |
| UINT8 Data; |
| WriteMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGD8, AccWidthUint8, &Index); |
| ReadMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGD8 + 1, AccWidthUint8, &Data); |
| return Data; |
| } |
| |
| |
| /** |
| * SbResetGppDevice - Toggle GEVENT4 to assert/deassert GPP device reset |
| * |
| * |
| * @param[in] ResetBlock - PCIE reset for SB GPP or NB PCIE |
| * @param[in] ResetOp - Assert or deassert PCIE reset |
| * |
| */ |
| VOID |
| SbResetPcie ( |
| IN RESET_BLOCK ResetBlock, |
| IN RESET_OP ResetOp |
| ) |
| { |
| |
| if (ResetBlock == NbBlock) { |
| if (ResetOp == AssertReset) { |
| RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGC4, AccWidthUint8, 0xFF, BIT4); |
| } else if (ResetOp == DeassertReset) { |
| RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGC4, AccWidthUint8, ~BIT4, 0); |
| } |
| } else if (ResetBlock == SbBlock) { |
| RWMEM (ACPI_MMIO_BASE + IOMUX_BASE + SB_GEVENT_REG04, AccWidthUint8, ~(BIT1 + BIT0), 0x02); |
| if (ResetOp == AssertReset) { |
| RWMEM (ACPI_MMIO_BASE + GPIO_BASE + SB_GEVENT_REG04, AccWidthUint8, ~BIT5, 0); |
| RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGBF, AccWidthUint8, 0xFF, BIT4); |
| } else if (ResetOp == DeassertReset) { |
| RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGBF, AccWidthUint8, ~BIT4, 0); |
| RWMEM (ACPI_MMIO_BASE + GPIO_BASE + SB_GEVENT_REG04, AccWidthUint8, 0xff, BIT5); |
| } |
| } |
| } |
| |
| |
| /** |
| * sbGppTogglePcieReset - Toggle PCIE_RST2# |
| * |
| * |
| * @param[in] pConfig |
| * |
| */ |
| VOID |
| sbGppTogglePcieReset ( |
| IN AMDSBCFG* pConfig |
| ) |
| { |
| if (pConfig->GppToggleReset) { |
| SbResetPcie (SbBlock, AssertReset); |
| SbStall (500); |
| SbResetPcie (SbBlock, DeassertReset); |
| } |
| } |
| |
| /** |
| * sbSpiUnlock - Sb SPI Unlock |
| * |
| * |
| * @param[in] pConfig |
| * |
| */ |
| VOID |
| sbSpiUnlock ( |
| IN AMDSBCFG* pConfig |
| ) |
| { |
| RWPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG50, AccWidthUint32, ~(BIT0 + BIT1), 0); |
| RWPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG54, AccWidthUint32, ~(BIT0 + BIT1), 0); |
| RWPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG58, AccWidthUint32, ~(BIT0 + BIT1), 0); |
| RWPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG5C, AccWidthUint32, ~(BIT0 + BIT1), 0); |
| RWMEM ((pConfig->BuildParameters.SpiRomBaseAddress) + SB_SPI_MMIO_REG00, AccWidthUint32, ~(BIT22 + BIT23), (BIT22 + BIT23)); |
| } |
| |
| /** |
| * sbSpilock - Sb SPI lock |
| * |
| * |
| * @param[in] pConfig |
| * |
| */ |
| VOID |
| sbSpilock ( |
| IN AMDSBCFG* pConfig |
| ) |
| { |
| RWPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG50, AccWidthUint32, ~(BIT0 + BIT1), (BIT0 + BIT1)); |
| RWPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG54, AccWidthUint32, ~(BIT0 + BIT1), (BIT0 + BIT1)); |
| RWPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG58, AccWidthUint32, ~(BIT0 + BIT1), (BIT0 + BIT1)); |
| RWPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG5C, AccWidthUint32, ~(BIT0 + BIT1), (BIT0 + BIT1)); |
| RWMEM ((pConfig->BuildParameters.SpiRomBaseAddress) + SB_SPI_MMIO_REG00, AccWidthUint32, ~(BIT22 + BIT23), 0); |
| } |
| |
| /** |
| * TurnOffCG2 |
| * |
| * |
| * @retval VOID |
| * |
| */ |
| VOID |
| TurnOffCG2 ( |
| OUT VOID |
| ) |
| { |
| RWMEM (ACPI_MMIO_BASE + MISC_BASE + 0x40, AccWidthUint8, ~BIT6, 0); |
| RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGDA, AccWidthUint8, 0x0F, 0xA0); |
| RWMEM (ACPI_MMIO_BASE + IOMUX_BASE + 0x41, AccWidthUint8, ~(BIT1 + BIT0), (BIT1 + BIT0)); |
| RWMEM (ACPI_MMIO_BASE + MISC_BASE + 0x41, AccWidthUint8, ~( BIT4), (BIT4)); |
| RWMEM (ACPI_MMIO_BASE + MISC_BASE + 0x41, AccWidthUint8, ~(BIT6), (BIT6)); |
| RWMEM (ACPI_MMIO_BASE + MISC_BASE + 0x08, AccWidthUint8, ~BIT6, BIT6); |
| RWMEM (ACPI_MMIO_BASE + MISC_BASE + 0x1C, AccWidthUint8, ~BIT6, BIT6); |
| } |
| |
| /** |
| * BackUpCG2 |
| * |
| * |
| * @retval VOID |
| * |
| */ |
| VOID |
| BackUpCG2 ( |
| OUT VOID |
| ) |
| { |
| UINT8 dByte; |
| ReadMEM (ACPI_MMIO_BASE + MISC_BASE + 0x1C, AccWidthUint8, &dByte); |
| if (dByte & BIT6) { |
| RWMEM (ACPI_MMIO_BASE + MISC_BASE + 0x41, AccWidthUint8, ~(BIT6), (0)); |
| } |
| } |