diff options
Diffstat (limited to 'src/vendorcode/amd/cimx/sb700/SATA.c')
-rw-r--r-- | src/vendorcode/amd/cimx/sb700/SATA.c | 453 |
1 files changed, 453 insertions, 0 deletions
diff --git a/src/vendorcode/amd/cimx/sb700/SATA.c b/src/vendorcode/amd/cimx/sb700/SATA.c new file mode 100644 index 0000000000..09d49237ea --- /dev/null +++ b/src/vendorcode/amd/cimx/sb700/SATA.c @@ -0,0 +1,453 @@ +/***************************************************************************** + * + * Copyright (C) 2012 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 "Platform.h" + +//Table for class code of SATA Controller in different modes +UINT32 sataIfCodeTable[] = { + 0x01018f00, //sata class ID of IDE + 0x01040000, //sata class ID of RAID + 0x01060100, //sata class ID of AHCI + 0x01018a00, //sata class ID of Legacy IDE + 0x01018f00, //sata class ID of IDE to AHCI mode + 0x01060100, //sata class ID of AMD-AHCI mode + 0x01018f00 //sata class ID of IDE to AMD-AHCI mode +}; + +//Table for device id of SATA Controller in different modes +UINT16 sataDeviceIDTable[] = { + 0x4390, //sata device ID of IDE + 0x4392, //sata device ID of RAID + 0x4391, //sata class ID of AHCI + 0x4390, //sata device ID of Legacy IDE + 0x4390, //sata device ID of IDE->AHCI mode + 0x4394, //sata device ID for AMD-AHCI mode + 0x4390 //sata device ID of IDE->AMDAHCI mode +}; + + +void sataInitBeforePciEnum(AMDSBCFG* pConfig){ + UINT32 ddValue, *tempptr; + UINT16 *pDeviceIdptr, dwDeviceId; + UINT8 dbValue, dbOrMask, dbAndMask; + + + dbAndMask=0; + dbOrMask=0; + // Enable/Disable Combined mode & do primary/secondary selections, enable/disable + if (pConfig->SataIdeCombinedMode == CIMX_OPTION_DISABLED) dbAndMask= BIT3; //Clear BIT3 + if (pConfig->SataIdeCombMdPriSecOpt == 1) dbOrMask = BIT4; //Set BIT4 + if (pConfig->SataSmbus == 0) dbOrMask = BIT1; + + RWPCI(((SMBUS_BUS_DEV_FUN << 16) + SB_SMBUS_REGAD), AccWidthUint8 | S3_SAVE, ~(dbAndMask), dbOrMask); + + if (pConfig->SataController == 0){ + // SATA Controller Disabled & set Power Saving mode to disabled + RWPCI(((SMBUS_BUS_DEV_FUN << 16) + SB_SMBUS_REGAD), AccWidthUint8 | S3_SAVE, ~(UINT32)BIT0, BIT1); + return; + } + + restrictSataCapabilities(pConfig); + + // Get the appropriate class code from the table and write it to PCI register 08h-0Bh + // Set the appropriate SATA class based on the input parameters + dbValue=pConfig->SataClass; + tempptr= (UINT32 *) FIXUP_PTR (&sataIfCodeTable[0]); + ddValue=tempptr[dbValue]; + + // BIT0: Enable write access to PCI header (reg 08h-0Bh) by setting SATA PCI register 40h, bit 0 + // BIT4:disable fast boot + RWPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG40), AccWidthUint8 | S3_SAVE, 0xff, BIT4+BIT0); + + // Write the class code to SATA PCI register 08h-0Bh + RWPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG08), AccWidthUint32 | S3_SAVE, 0, ddValue); + + if (pConfig->SataClass == LEGACY_IDE_MODE) //SATA = Legacy IDE + //Set PATA controller to native mode + RWPCI(((IDE_BUS_DEV_FUN << 16) + SB_IDE_REG09), AccWidthUint8 | S3_SAVE, 0x00, 0x08F); + + //Change the appropriate device id + if (pConfig->SataClass == AMD_AHCI_MODE) { + RWPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG40 + 3), AccWidthUint8 | S3_SAVE, 0xff, BIT0); + } + pDeviceIdptr= (UINT16 *) FIXUP_PTR (&sataDeviceIDTable[0]); + + ReadPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG02), AccWidthUint16 | S3_SAVE, &dwDeviceId); + if ( !((dwDeviceId==SB750_SATA_DEFAULT_DEVICE_ID) && (pConfig->SataClass == RAID_MODE)) ){ + //if not (SB750 & RAID mode), then program the device id + dwDeviceId=pDeviceIdptr[dbValue]; + RWPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG02), AccWidthUint16 | S3_SAVE, 0, dwDeviceId); + } + + if (pConfig->AcpiS1Supported) + RWPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG34), AccWidthUint8 | S3_SAVE, 00, 0x70);//Disable SATA PM & MSI capability + else + RWPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG60+1), AccWidthUint8 | S3_SAVE, 00, 0x70);//Disable SATA MSI capability + + if (getRevisionID() >= SB700_A13){ + //Enable test/enhancement mode for A13 + RWPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG40+3), AccWidthUint8 | S3_SAVE, ~(UINT32)BIT5, 00); + RWPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG48), AccWidthUint32 | S3_SAVE, ~(UINT32)(BIT24+BIT21), 0xBF80); + } + + if (getRevisionID() >= SB700_A14){ + //Fix for TT SB01352 - LED Stays On When ODD Attached To Slave Port In IDE Mode + RWPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG48), AccWidthUint8 | S3_SAVE, 0xFF, BIT6); + } + + // Disable write access to PCI header + RWPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG40), AccWidthUint8 | S3_SAVE, ~(UINT32)BIT0, 0); + + // RPR 6.5 SATA PHY Programming Sequence + RWPCI((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG86, AccWidthUint16 | S3_SAVE, 0x00, 0x2C00); + RWPCI((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG88, AccWidthUint32 | S3_SAVE, 0x00, 0x01B48016); + RWPCI((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG8C, AccWidthUint32 | S3_SAVE, 0x00, 0x01B48016); + RWPCI((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG90, AccWidthUint32 | S3_SAVE, 0x00, 0x01B48016); + RWPCI((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG94, AccWidthUint32 | S3_SAVE, 0x00, 0x01B48016); + RWPCI((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG98, AccWidthUint32 | S3_SAVE, 0x00, 0x01B48016); + RWPCI((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG9C, AccWidthUint32 | S3_SAVE, 0x00, 0x01B48016); + RWPCI((SATA_BUS_DEV_FUN << 16) + SB_SATA_REGA0, AccWidthUint32 | S3_SAVE, 0x00, 0xA07AA07A); + RWPCI((SATA_BUS_DEV_FUN << 16) + SB_SATA_REGA4, AccWidthUint32 | S3_SAVE, 0x00, 0xA07AA07A); + RWPCI((SATA_BUS_DEV_FUN << 16) + SB_SATA_REGA8, AccWidthUint32 | S3_SAVE, 0x00, 0xA07AA07A); + + CallBackToOEM(SATA_PHY_PROGRAMMING, NULL, pConfig); +} + +void sataInitAfterPciEnum(AMDSBCFG* pConfig){ + UINT32 ddAndMask=0, ddOrMask=0, ddBar5=0; + UINT8 dbVar, dbPortNum; + + if (pConfig->SataController == 0) return; //return if SATA controller is disabled. + + //Enable write access to pci header, pm capabilities + RWPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG40), AccWidthUint8 | S3_SAVE, 0xFF, BIT0); + + //Disable AHCI enhancement function (RPR 7.2) + RWPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG40 + 2), AccWidthUint8 | S3_SAVE, 0xFF, BIT7); + + restrictSataCapabilities(pConfig); + + ReadPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG24), AccWidthUint32, &ddBar5); + + if ( (ddBar5 == 0) || (ddBar5 == -1) ) { + //assign temporary BAR5 + if ( (pConfig->TempMMIO == 0) || (pConfig->TempMMIO == -1)) + ddBar5 = 0xFEC01000; + else + ddBar5=pConfig->TempMMIO; + + WritePCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG24), AccWidthUint32, &ddBar5); + } + + ReadPCI( ((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG04), AccWidthUint8, &dbVar); + RWPCI( ((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG04), AccWidthUint8,0xFF, 0x03); //memory and io access enable + + ddBar5 &= 0xFFFFFC00; //Clear Bits 9:0 + if (!pConfig->SataPortMultCap) + ddAndMask |= BIT12; + if (!pConfig->SataAggrLinkPmCap) + ddAndMask |= BIT11; + if (pConfig->SataSscPscCap) + ddOrMask |= BIT1; + + RWMEM((ddBar5 + SB_SATA_BAR5_REGFC),AccWidthUint32 | S3_SAVE, ~ddAndMask, ddOrMask); + + + //Clear HPCP and ESP by default + RWMEM((ddBar5 + SB_SATA_BAR5_REGF8),AccWidthUint32 | S3_SAVE, 0xFFFC0FC0, 0); + + if (pConfig->SataHpcpButNonESP !=0) { + RWMEM((ddBar5 + SB_SATA_BAR5_REGF8),AccWidthUint32 | S3_SAVE, 0xFFFFFFC0, pConfig->SataHpcpButNonESP); + } + + // SATA ESP port setting + // These config bits are set for SATA driver to identify which ports are external SATA ports and need to + // support hotplug. If a port is set as an external SATA port and need to support hotplug, then driver will + // not enable power management(HIPM & DIPM) for these ports. + if (pConfig->SataEspPort !=0) { + RWMEM((ddBar5 + SB_SATA_BAR5_REGFC),AccWidthUint32 | S3_SAVE, 0xFFFFFFFF, BIT20); + RWMEM((ddBar5 + SB_SATA_BAR5_REGF8),AccWidthUint32 | S3_SAVE, ~(pConfig->SataEspPort), 0); + RWMEM((ddBar5 + SB_SATA_BAR5_REGF8),AccWidthUint32 | S3_SAVE, ~(UINT32)(BIT17+BIT16+BIT15+BIT14+BIT13+BIT12),(pConfig->SataEspPort << 12)); + } + + if ( ((pConfig->SataClass) != NATIVE_IDE_MODE) && ((pConfig->SataClass) != LEGACY_IDE_MODE) ) + RWPCI( ((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG50+2), AccWidthUint8, ~(UINT32)(BIT3+BIT2+BIT1), BIT2+BIT1); //set MSI to 8 messages + + if ( ((pConfig->SataClass) != NATIVE_IDE_MODE) && ((pConfig->SataClass) != LEGACY_IDE_MODE) && ((pConfig->SataIdeCombinedMode) == CIMX_OPTION_DISABLED) ){ + RWMEM((ddBar5 + SB_SATA_BAR5_REG00),AccWidthUint8 | S3_SAVE, ~(UINT32)(BIT2+BIT1+BIT0), BIT2+BIT0); + RWMEM((ddBar5 + SB_SATA_BAR5_REG0C),AccWidthUint8 | S3_SAVE, 0xC0, 0x3F); + } + + for (dbPortNum=0;dbPortNum<=5;dbPortNum++){ + if (pConfig->SataPortMode & (1 << dbPortNum)){ + //downgrade to GEN1 + RWMEM(ddBar5+ SB_SATA_BAR5_REG12C + dbPortNum * 0x80, AccWidthUint8, 0x0F, 0x10); + RWMEM(ddBar5+ SB_SATA_BAR5_REG12C + dbPortNum * 0x80, AccWidthUint8, 0xFF, 0x01); + Stall(1000); + RWMEM(ddBar5+ SB_SATA_BAR5_REG12C + dbPortNum * 0x80, AccWidthUint8, 0xFE, 0x00); + } + } + + //If this is not S3 resume and also if SATA set to one of IDE mode, then implement drive detection workaround. + if ( !(pConfig->S3Resume) && ( ((pConfig->SataClass) != AHCI_MODE) && ((pConfig->SataClass) != RAID_MODE) && ((pConfig->SataClass) != AMD_AHCI_MODE) ) ) + sataDriveDetection(pConfig, ddBar5); + + if ( (pConfig->SataPhyWorkaround==1) || ( (pConfig->SataPhyWorkaround==0) && (getRevisionID() < SB700_A13)) ) + sataPhyWorkaround(pConfig, ddBar5); + + // Set the handshake bit for IDE driver to detect the disabled IDE channel correctly. + // Set IDE PCI Config 0x63 [3] if primary channel disabled, [4] if secondary channel disabled. + if (pConfig->SataIdeCombinedMode == CIMX_OPTION_DISABLED) + RWPCI( ((IDE_BUS_DEV_FUN << 16) + SB_IDE_REG63), AccWidthUint8 , 0xF9, (0x02 << (pConfig->SataIdeCombMdPriSecOpt)) ); + + WritePCI( ((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG04), AccWidthUint8, &dbVar); + + //Disable write access to pci header, pm capabilities + RWPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG40), AccWidthUint8 | S3_SAVE, ~(UINT32)BIT0, 0); +} + + +void sataDriveDetection(AMDSBCFG* pConfig, UINT32 ddBar5){ + UINT32 ddVar0; + UINT8 dbPortNum, dbVar0; + UINT16 dwIoBase, dwVar0; + + TRACE((DMSG_SB_TRACE, "CIMx - Entering sata drive detection procedure\n\n")); + TRACE((DMSG_SB_TRACE, "SATA BAR5 is %X \n", ddBar5)); + + if ( (pConfig->SataClass == NATIVE_IDE_MODE) || (pConfig->SataClass == LEGACY_IDE_MODE) || (pConfig->SataClass == IDE_TO_AHCI_MODE) || (pConfig->SataClass == IDE_TO_AMD_AHCI_MODE) ){ + for (dbPortNum=0;dbPortNum<4;dbPortNum++){ + ReadMEM(ddBar5+ SB_SATA_BAR5_REG128 + dbPortNum * 0x80, AccWidthUint32, &ddVar0); + if ( ( ddVar0 & 0x0F ) == 0x03){ + if ( dbPortNum & BIT0) + //this port belongs to secondary channel + ReadPCI( ((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG18), AccWidthUint16, &dwIoBase); + else + //this port belongs to primary channel + ReadPCI( ((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG10), AccWidthUint16, &dwIoBase); + + //if legacy ide mode, then the bar registers don't contain the correct values. So we need to hardcode them + if (pConfig->SataClass == LEGACY_IDE_MODE) + dwIoBase = ( (0x170) | ( (~((dbPortNum & BIT0) << 7)) & 0x80 ) ); + + if ( dbPortNum & BIT1) + //this port is slave + dbVar0=0xB0; + else + //this port is master + dbVar0=0xA0; + dwIoBase &= 0xFFF8; + WriteIO(dwIoBase+6, AccWidthUint8, &dbVar0); + + //Wait in loop for 30s for the drive to become ready + for (dwVar0=0;dwVar0<3000;dwVar0++){ + ReadIO(dwIoBase+7, AccWidthUint8, &dbVar0); + if ( (dbVar0 & 0x88) == 0) + break; + Stall(10000); + } + } //end of if ( ( ddVar0 & 0x0F ) == 0x03) + } //for (dbPortNum=0;dbPortNum<4;dbPortNum++) + } //if ( (pConfig->SataClass == NATIVE_IDE_MODE) || (pConfig->SataClass == LEGACY_IDE_MODE) || (pConfig->SataClass == IDE_TO_AHCI_MODE) || (pConfig->SataClass == IDE_TO_AMD_AHCI_MODE) ) +} + + +//This patch is to workaround the SATA PHY logic hardware issue in the SB700. +//Internally this workaround is called as 7NewA +void sataPhyWorkaround(AMDSBCFG* pConfig, UINT32 ddBar5){ + + UINT8 dbPortNum, dbVar0; + + if (pConfig->Gen1DeviceShutdownDuringPhyWrknd == 0x01){ + for (dbPortNum=0;dbPortNum<=5;dbPortNum++){ + ReadMEM(ddBar5+ SB_SATA_BAR5_REG128 + dbPortNum * 0x80, AccWidthUint8, &dbVar0); + if ( (dbVar0 & 0xF0) == 0x10){ + RWPCI((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG40+2, AccWidthUint8 | S3_SAVE, 0xFF, (01 << dbPortNum)); + } + + } + } + + RWPMIO(SB_PMIO_REGD0, AccWidthUint8, ~(UINT32)(BIT4+BIT3), BIT4+BIT3);//set PMIO_D0[4:3] = 11b // this is to tell SATA PHY to use the internal 100MHz clock + RWPCI((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG86, AccWidthUint8 | S3_SAVE, 0x00, 0x40);// set SATA PCI_CFG 0x86[7:0] = 0x40 //after the reset is done, perform this to turn on the diff clock path into SATA PHY + Stall(2000);// Wait for 2ms + RWPMIO(SB_PMIO_REGD0, AccWidthUint8, ~(UINT32)(BIT4+BIT3), 00);//13. set PMIO_D0[4:3] = 00b + Stall(20000);// Wait 20ms + forceOOB(ddBar5);// Force OOB + + RWPCI((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG40+2, AccWidthUint8 | S3_SAVE, ~(0x03F), 00); +} + + +void forceOOB(UINT32 ddBar5){ + UINT8 dbPortNum; + for (dbPortNum=0;dbPortNum<=5;dbPortNum++) + RWMEM(ddBar5+ SB_SATA_BAR5_REG12C + dbPortNum * 0x80, AccWidthUint8, 0xFF, 0x01); + Stall(2000); + for (dbPortNum=0;dbPortNum<=5;dbPortNum++) + RWMEM(ddBar5+ SB_SATA_BAR5_REG12C + dbPortNum * 0x80, AccWidthUint8, 0xFE, 0x00); + Stall(2000);// Wait for 2ms +} + +/*++ + +Routine Description: + + SATA Late Configuration + + if the mode is selected as IDE->AHCI + { 1. Set class ID to AHCI + 2. Enable AHCI interrupt + } + +Arguments: + + pConfig - SBconfiguration + +Returns: + + void + +--*/ +void sataInitLatePost(AMDSBCFG* pConfig){ + UINT32 ddBar5; + UINT8 dbVar; + + //Return immediately is sata controller is not enabled + if (pConfig->SataController == 0) return; + + restrictSataCapabilities(pConfig); + + //Get BAR5 value + ReadPCI( ((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG24), AccWidthUint32, &ddBar5); + + //Assign temporary BAR if is not already assigned + if ( (ddBar5 == 0) || (ddBar5 == -1) ){ + //assign temporary BAR5 + if ( (pConfig->TempMMIO == 0) || (pConfig->TempMMIO == -1)) + ddBar5 = 0xFEC01000; + else + ddBar5=pConfig->TempMMIO; + WritePCI( ((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG24), AccWidthUint32, &ddBar5); + } + + ReadPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG04), AccWidthUint8, &dbVar); + //Enable memory and io access + RWPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG04), AccWidthUint8, 0xFF, 0x03); + //Enable write access to pci header, pm capabilities + RWPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG40), AccWidthUint8 | S3_SAVE, 0xff, BIT0); + + shutdownUnconnectedSataPortClock(pConfig, ddBar5); + + if ( (pConfig->SataClass == IDE_TO_AHCI_MODE) || (pConfig->SataClass == IDE_TO_AMD_AHCI_MODE)){ + //program the AHCI class code + RWPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG08), AccWidthUint32 | S3_SAVE, 0, 0x01060100); + //Set interrupt enable bit + RWMEM((ddBar5 + 0x04),AccWidthUint8,~(UINT32)0,BIT1); + //program the correct device id for AHCI mode + RWPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG02), AccWidthUint16 | S3_SAVE, 0, 0x4391); + + if (pConfig->SataClass == IDE_TO_AMD_AHCI_MODE) + //program the correct device id for AMD-AHCI mode + RWPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG40 + 3), AccWidthUint8 | S3_SAVE, 0xFF, BIT0); + } + + //Disable write access to pci header and pm capabilities + RWPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG40), AccWidthUint8 | S3_SAVE, ~(UINT32)BIT0, 0); + //Clear error status + RWMEM((ddBar5 + SB_SATA_BAR5_REG130),AccWidthUint32 | S3_SAVE, 0xFFFFFFFF, 0xFFFFFFFF); + RWMEM((ddBar5 + SB_SATA_BAR5_REG1B0),AccWidthUint32 | S3_SAVE, 0xFFFFFFFF, 0xFFFFFFFF); + RWMEM((ddBar5 + SB_SATA_BAR5_REG230),AccWidthUint32 | S3_SAVE, 0xFFFFFFFF, 0xFFFFFFFF); + RWMEM((ddBar5 + SB_SATA_BAR5_REG2B0),AccWidthUint32 | S3_SAVE, 0xFFFFFFFF, 0xFFFFFFFF); + //Restore memory and io access bits + WritePCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG04), AccWidthUint8, &dbVar ); +} + + +void shutdownUnconnectedSataPortClock(AMDSBCFG* pConfig, UINT32 ddBar5){ + UINT8 dbPortNum, dbPortSataStatus, NumOfPorts=0; + UINT8 UnusedPortBitMap; + UINT8 SataType; + UINT8 ClockOffEnabled ; + + UnusedPortBitMap = 0; + + // First scan for all unused SATA ports + for (dbPortNum = 5; dbPortNum <= 5; dbPortNum--) { + ReadMEM (ddBar5 + SB_SATA_BAR5_REG128 + (dbPortNum * 0x80), AccWidthUint8, &dbPortSataStatus); + if ((!(dbPortSataStatus & 0x01)) && (!((pConfig->SataEspPort) & (1 << dbPortNum)))) { + UnusedPortBitMap |= (1 << dbPortNum); + } + } + + // Decide if we need to shutdown the clock for all unused ports + SataType = pConfig->SataClass; + ClockOffEnabled = (pConfig->SataClkAutoOff && ((SataType == NATIVE_IDE_MODE) || (SataType == LEGACY_IDE_MODE) || \ + (SataType == IDE_TO_AHCI_MODE) || (SataType == IDE_TO_AMD_AHCI_MODE))) || \ + (pConfig->SataClkAutoOffAhciMode && ((SataType == AHCI_MODE) || (SataType == AMD_AHCI_MODE))); + + if (ClockOffEnabled) { + //Shutdown the clock for the port and do the necessary port reporting changes. + TRACE((DMSG_SB_TRACE, "Shutting down clock for SATA ports %X \n", UnusedPortBitMap)); + RWPCI(((SATA_BUS_DEV_FUN << 16) + SB_SATA_REG40 + 2), AccWidthUint8, 0xFF, UnusedPortBitMap); + RWMEM(ddBar5 + SB_SATA_BAR5_REG0C, AccWidthUint8, ~UnusedPortBitMap, 00); + } + + // If all ports are in disabled state, report at least one + ReadMEM (ddBar5 + SB_SATA_BAR5_REG0C, AccWidthUint8, &dbPortSataStatus); + if ( (dbPortSataStatus & 0x3F) == 0) { + dbPortSataStatus = 1; + RWMEM (ddBar5 + SB_SATA_BAR5_REG0C, AccWidthUint8, ~(0x3F), dbPortSataStatus); + } + + // Decide if we need to hide unused ports from being seen by OS (this saves OS startup time) + if (pConfig->SataHideUnusedPort && ClockOffEnabled) { + dbPortSataStatus &= ~UnusedPortBitMap; // Mask off unused ports + for (dbPortNum = 0; dbPortNum <= 6; dbPortNum++) { + if (dbPortSataStatus & (1 << dbPortNum)) + NumOfPorts++; + } + if (NumOfPorts == 0 ) { + NumOfPorts = 0x01; + } + RWMEM (ddBar5 + SB_SATA_BAR5_REG00, AccWidthUint8, 0xE0, NumOfPorts - 1); + } +} + + +void restrictSataCapabilities(AMDSBCFG* pConfig){ + //Restrict capabilities + if ( ((getSbCapability(Sb_Raid0_1_Capability)== 0x02) && (pConfig->SataClass == RAID_MODE)) || \ + ((getSbCapability(Sb_Raid5_Capability)== 0x02) && (pConfig->SataClass == RAID_MODE)) || \ + ((getSbCapability(Sb_Ahci_Capability)== 0x02) && ((pConfig->SataClass == AHCI_MODE) || (pConfig->SataClass == IDE_TO_AHCI_MODE)))){ + pConfig->SataClass = NATIVE_IDE_MODE; + } +} |