aboutsummaryrefslogtreecommitdiff
path: root/src/vendorcode/amd/cimx/sb700/SATA.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/vendorcode/amd/cimx/sb700/SATA.c')
-rw-r--r--src/vendorcode/amd/cimx/sb700/SATA.c453
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;
+ }
+}