diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x14/cpuCommonF14Utilities.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x14/cpuCommonF14Utilities.c | 518 |
1 files changed, 518 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x14/cpuCommonF14Utilities.c b/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x14/cpuCommonF14Utilities.c new file mode 100644 index 0000000000..226e951ec3 --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x14/cpuCommonF14Utilities.c @@ -0,0 +1,518 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD Family_14 specific utility functions. + * + * Provides numerous utility functions specific to family 10h. + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: CPU/F14 + * @e \$Revision: 39275 $ @e \$Date: 2010-10-09 08:22:05 +0800 (Sat, 09 Oct 2010) $ + * + */ +/* + ***************************************************************************** + * + * 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. + * + * *************************************************************************** + * + */ + +/*---------------------------------------------------------------------------------------- + * M O D U L E S U S E D + *---------------------------------------------------------------------------------------- + */ +#include "AGESA.h" +#include "amdlib.h" +#include "Ids.h" +#include "cpuRegisters.h" +#include "cpuFamilyTranslation.h" +#include "cpuCommonF14Utilities.h" +#include "cpuF14PowerMgmt.h" +#include "OptionFamily14hEarlySample.h" +#include "NbSmuLib.h" +#include "GnbRegistersON.h" +#include "Filecode.h" +#define FILECODE PROC_CPU_FAMILY_0X14_CPUCOMMONF14UTILITIES_FILECODE + +/*---------------------------------------------------------------------------------------- + * D E F I N I T I O N S A N D M A C R O S + *---------------------------------------------------------------------------------------- + */ +extern F14_ES_CORE_SUPPORT F14EarlySampleCoreSupport; + +/*---------------------------------------------------------------------------------------- + * T Y P E D E F S A N D S T R U C T U R E S + *---------------------------------------------------------------------------------------- + */ +CONST UINT16 ROMDATA F14MaxNbFreqAtMinVidFreqTable[] = +{ + 25, // 00000b + 50, // 00001b + 100, // 00010b + 150, // 00011b + 167, // 00100b + 183, // 00101b + 200, // 00110b + 217, // 00111b + 233, // 01000b + 250, // 01001b + 267, // 01010b + 283, // 01011b + 300, // 01100b + 317, // 01101b + 333, // 01110b + 350, // 01111b + 366, // 10000b + 383, // 10001b + 400, // 10010b + 417, // 10011b + 433, // 10100b + 450, // 10101b + 467, // 10110b + 483, // 10111b + 500, // 11000b + 517, // 11001b + 533, // 11010b + 550, // 11011b + 563, // 11100b + 575, // 11101b + 588, // 11110b + 600 // 11111b +}; + +/*---------------------------------------------------------------------------------------- + * P R O T O T Y P E S O F L O C A L F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ +UINT32 +STATIC +RoundedDivision ( + IN UINT32 Dividend, + IN UINT32 Divisor + ); +/*---------------------------------------------------------------------------------------- + * E X P O R T E D F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------------------*/ +/** + * Set warm reset status and count + * + * @CpuServiceMethod{::F_CPU_SET_WARM_RESET_FLAG}. + * + * This function will use bit9, and bit 10 of register F0x6C as a warm reset status and count. + * + * @param[in] FamilySpecificServices The current Family Specific Services. + * @param[in] StdHeader Handle of Header for calling lib functions and services. + * @param[in] Request Indicate warm reset status + * + */ +VOID +F14SetAgesaWarmResetFlag ( + IN CPU_SPECIFIC_SERVICES *FamilySpecificServices, + IN AMD_CONFIG_PARAMS *StdHeader, + IN WARM_RESET_REQUEST *Request + ) +{ + PCI_ADDR PciAddress; + UINT32 PciData; + + PciAddress.AddressValue = MAKE_SBDFO (0, 0 , PCI_DEV_BASE, FUNC_0, HT_INIT_CTRL); + LibAmdPciRead (AccessWidth32, PciAddress, &PciData, StdHeader); + + // bit[5] - indicate a warm reset is or is not required + PciData &= ~(HT_INIT_BIOS_RST_DET_0); + PciData = PciData | (Request->RequestBit << 5); + + // bit[10,9] - indicate warm reset status and count + PciData &= ~(HT_INIT_BIOS_RST_DET_1 | HT_INIT_BIOS_RST_DET_2); + PciData |= Request->StateBits << 9; + + LibAmdPciWrite (AccessWidth32, PciAddress, &PciData, StdHeader); +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Get warm reset status and count + * + * @CpuServiceMethod{::F_CPU_GET_WARM_RESET_FLAG}. + * + * This function will bit9, and bit 10 of register F0x6C as a warm reset status and count. + * + * @param[in] FamilySpecificServices The current Family Specific Services. + * @param[in] StdHeader Config handle for library and services + * @param[out] Request Indicate warm reset status + * + */ +VOID +F14GetAgesaWarmResetFlag ( + IN CPU_SPECIFIC_SERVICES *FamilySpecificServices, + IN AMD_CONFIG_PARAMS *StdHeader, + OUT WARM_RESET_REQUEST *Request + ) +{ + PCI_ADDR PciAddress; + UINT32 PciData; + + PciAddress.AddressValue = MAKE_SBDFO (0, 0 , PCI_DEV_BASE, FUNC_0, HT_INIT_CTRL); + LibAmdPciRead (AccessWidth32, PciAddress, &PciData, StdHeader); + + // bit[5] - indicate a warm reset is or is not required + Request->RequestBit = (UINT8) ((PciData & HT_INIT_BIOS_RST_DET_0) >> 5); + // bit[10,9] - indicate warm reset status and count + Request->StateBits = (UINT8) ((PciData & (HT_INIT_BIOS_RST_DET_1 | HT_INIT_BIOS_RST_DET_2)) >> 9); +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Use the Mailbox Register to get the Ap Mailbox info for the current core. + * + * @CpuServiceMethod{::F_CPU_AMD_GET_AP_MAILBOX_FROM_HARDWARE}. + * + * Access the mailbox register used with this NB family. This is valid until the + * point that some init code initializes the mailbox register for its normal use. + * + * @param[in] FamilySpecificServices The current Family Specific Services. + * @param[out] ApMailboxInfo The AP Mailbox info + * @param[in] StdHeader Handle of Header for calling lib functions and services. + * + */ +VOID +F14GetApMailboxFromHardware ( + IN CPU_SPECIFIC_SERVICES *FamilySpecificServices, + OUT AP_MAILBOXES *ApMailboxInfo, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + // For Family 14h, we will return socket 0, node 0, module 0, module type 0, and 0 for + // the system degree + ApMailboxInfo->ApMailInfo.Info = (UINT32) 0x00000000; + ApMailboxInfo->ApMailExtInfo.Info = (UINT32) 0x00000000; +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Get this AP's system core number from hardware. + * + * @CpuServiceMethod{::F_CPU_GET_AP_CORE_NUMBER}. + * + * Returns the system core number. For family 14h, this is simply the + * initial APIC ID. + * + * @param[in] FamilySpecificServices The current Family Specific Services. + * @param[in] StdHeader Handle of Header for calling lib functions and services. + * + * @return The AP's unique core number + */ +UINT32 +F14GetApCoreNumber ( + IN CPU_SPECIFIC_SERVICES *FamilySpecificServices, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + CPUID_DATA Cpuid; + + LibAmdCpuidRead (0x1, &Cpuid, StdHeader); + return ((Cpuid.EBX_Reg >> 24) & 0xFF); +} + + +/*---------------------------------------------------------------------------------------*/ +/** + * Return a number zero or one, based on the Core ID position in the initial APIC Id. + * + * @CpuServiceMethod{::F_CORE_ID_POSITION_IN_INITIAL_APIC_ID}. + * + * @param[in] FamilySpecificServices The current Family Specific Services. + * @param[in] StdHeader Handle of Header for calling lib functions and services. + * + * @retval CoreIdPositionZero Core Id is not low + * @retval CoreIdPositionOne Core Id is low + */ +CORE_ID_POSITION +F14CpuAmdCoreIdPositionInInitialApicId ( + IN CPU_SPECIFIC_SERVICES *FamilySpecificServices, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + return (CoreIdPositionOne); +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Sets up a valid set of NB P-states based on the value of MEMCLK, transitions + * to the desired NB P-state, and returns the current NB frequency in megahertz. + * + * @param[in] TargetMemclk The target MEMCLK in megahertz, or zero to + * indicate NB P-state change only. + * @param[in] TargetMemclkEncoded The target MEMCLK's register encoding. + * @param[in] TargetNbPstate The NB P-state to exit in. + * @param[in] CurrentNbFreq Current NB operating frequency in megahertz. + * @param[in] StdHeader Handle of Header for calling lib functions and services. + * + * @retval TRUE Transition to TargetNbPstate was successful. + * @retval FALSE Transition to TargetNbPstate was unsuccessful. + */ +BOOLEAN +F14NbPstateInit ( + IN UINT32 TargetMemclk, + IN UINT32 TargetMemclkEncoded, + IN UINT32 TargetNbPstate, + OUT UINT32 *CurrentNbFreq, + IN AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 EncodedNbPs1Vid; + UINT32 EncodedNbPs0NclkDiv; + UINT32 EncodedNbPs1NclkDiv; + UINT32 NbP0Cof; + UINT32 NbP1Cof; + UINT32 NbPstateNumerator; + UINT32 TargetNumerator; + UINT32 TargetDenominator; + BOOLEAN ReturnStatus; + PCI_ADDR PciAddress; + D18F3xD4_STRUCT Cptc0; + D18F3xDC_STRUCT Cptc2; + D18F6x90_STRUCT NbPsCfgLow; + D18F6x98_STRUCT NbPsCtrlSts; + FCRxFE00_6000_STRUCT FCRxFE00_6000; + FCRxFE00_6002_STRUCT FCRxFE00_6002; + FCRxFE00_7006_STRUCT FCRxFE00_7006; + FCRxFE00_7009_STRUCT FCRxFE00_7009; + + // F14 only supports NB P0 and NB P1 + ASSERT (TargetNbPstate < 2); + + ReturnStatus = TRUE; + + // Get D18F3xD4[MainPllOpFreqId] frequency + PciAddress.AddressValue = CPTC0_PCI_ADDR; + LibAmdPciRead (AccessWidth32, PciAddress, &Cptc0.Value, StdHeader); + + // Calculate the numerator to be used for NB P-state calculations + NbPstateNumerator = (UINT32) (4 * ((Cptc0.Field.MainPllOpFreqId + 0x10) * 100)); + + if (TargetMemclk != 0) { + // Determine the appropriate numerator / denominator of the target memclk + switch (TargetMemclk) { + case DDR800_FREQUENCY: + TargetNumerator = 400; + TargetDenominator = 1; + break; + case DDR1066_FREQUENCY: + TargetNumerator = 1600; + TargetDenominator = 3; + break; + case DDR1333_FREQUENCY: + TargetNumerator = 2000; + TargetDenominator = 3; + break; + default: + // An invalid memclk has been passed in. + ASSERT (FALSE); + TargetNumerator = TargetMemclk; + TargetDenominator = 1; + break; + } + + FCRxFE00_6000.Value = NbSmuReadEfuse (FCRxFE00_6000_ADDRESS, StdHeader); + FCRxFE00_6002.Value = NbSmuReadEfuse (FCRxFE00_6002_ADDRESS, StdHeader); + FCRxFE00_7006.Value = NbSmuReadEfuse (FCRxFE00_7006_ADDRESS, StdHeader); + FCRxFE00_7009.Value = NbSmuReadEfuse (FCRxFE00_7009_ADDRESS, StdHeader); + + F14EarlySampleCoreSupport.F14NbPstateInitHook (&FCRxFE00_6000, + &FCRxFE00_6002, + &FCRxFE00_7006, + &FCRxFE00_7009, + NbPstateNumerator, + StdHeader); + + // Determine NB P0 settings + if ((TargetNumerator * FCRxFE00_7009.Field.NbPs0NclkDiv) < (NbPstateNumerator * TargetDenominator)) { + // Program D18F3xDC[NbPs0NclkDiv] to the minimum divisor where + // (target memclk frequency >= (D18F3xD4[MainPllOpFreqId] freq) / divisor) + EncodedNbPs0NclkDiv = ((NbPstateNumerator * TargetDenominator) / TargetNumerator); + if (((NbPstateNumerator * TargetDenominator) % TargetNumerator) != 0) { + EncodedNbPs0NclkDiv++; + } + // Ensure that the encoded divisor is even to give 50% duty cycle + EncodedNbPs0NclkDiv = ((EncodedNbPs0NclkDiv + 1) & 0xFFFFFFFE); + + ASSERT (EncodedNbPs0NclkDiv >= 8); + ASSERT (EncodedNbPs0NclkDiv <= 0x3F); + } else { + EncodedNbPs0NclkDiv = FCRxFE00_7009.Field.NbPs0NclkDiv; + } + + // Check to see if the DIMMs are too fast for the CPU (NB P0 COF < (Memclk / 2)) + if ((TargetNumerator * EncodedNbPs0NclkDiv) > (NbPstateNumerator * TargetDenominator * 2)) { + // Indicate the error to the memory code so the DIMMs can be derated. + ReturnStatus = FALSE; + } + + // Apply the appropriate P0 frequency + PciAddress.AddressValue = CPTC2_PCI_ADDR; + LibAmdPciRead (AccessWidth32, PciAddress, &Cptc2.Value, StdHeader); + Cptc2.Field.NbPs0NclkDiv = EncodedNbPs0NclkDiv; + LibAmdPciWrite (AccessWidth32, PciAddress, &Cptc2.Value, StdHeader); + NbP0Cof = RoundedDivision (NbPstateNumerator, EncodedNbPs0NclkDiv); + + // Determine NB P1 settings if necessary + PciAddress.AddressValue = NB_PSTATE_CFG_LOW_PCI_ADDR; + LibAmdPciRead (AccessWidth32, PciAddress, &NbPsCfgLow.Value, StdHeader); + if (NbPsCfgLow.Field.NbPsCap == 1) { + if ((TargetNumerator * FCRxFE00_7006.Field.NbPs1NclkDiv) > (NbPstateNumerator * TargetDenominator * 2)) { + // Program D18F6x90[NbPs1NclkDiv] to the maximum divisor where + // (target memclk frequency / 2 <= (D18F3xD4[MainPllOpFreqId] freq) / divisor) + EncodedNbPs1NclkDiv = ((NbPstateNumerator * TargetDenominator * 2) / TargetNumerator); + + // Ensure that the encoded divisor is even to give 50% duty cycle + EncodedNbPs1NclkDiv &= 0xFFFFFFFE; + ASSERT (EncodedNbPs1NclkDiv >= 8); + ASSERT (EncodedNbPs1NclkDiv <= 0x3F); + + // Calculate the new effective P1 frequency to determine the voltage + NbP1Cof = RoundedDivision (NbPstateNumerator, EncodedNbPs1NclkDiv); + + if (NbP1Cof <= F14MaxNbFreqAtMinVidFreqTable[FCRxFE00_7006.Field.MaxNbFreqAtMinVid]) { + // Program D18F6x90[NbPs1Vid] = FCRxFE00_6002[NbPs1VidAddl] + EncodedNbPs1Vid = FCRxFE00_6002.Field.NbPs1VidAddl; + } else { + // Program D18F6x90[NbPs1Vid] = FCRxFE00_6002[NbPs1VidHigh] + EncodedNbPs1Vid = FCRxFE00_6002.Field.NbPs1VidHigh; + } + } else { + // Fused frequency and voltage are legal + EncodedNbPs1Vid = FCRxFE00_6000.Field.NbPs1Vid; + EncodedNbPs1NclkDiv = FCRxFE00_7006.Field.NbPs1NclkDiv; + NbP1Cof = RoundedDivision (NbPstateNumerator, EncodedNbPs1NclkDiv); + } + + if (NbP0Cof < NbP1Cof) { + // NB P1 frequency is faster than NB P0. Fix it up by slowing + // P1 to match P0. + EncodedNbPs1NclkDiv = EncodedNbPs0NclkDiv; + NbP1Cof = NbP0Cof; + } + + // Program the new NB P1 settings + NbPsCfgLow.Field.NbPs1NclkDiv = EncodedNbPs1NclkDiv; + NbPsCfgLow.Field.NbPs1Vid = EncodedNbPs1Vid; + LibAmdPciWrite (AccessWidth32, PciAddress, &NbPsCfgLow.Value, StdHeader); + } else { + // NB P-states are not enabled + NbP1Cof = 0; + } + *CurrentNbFreq = NbP0Cof; + } else { + // Get NB P0 COF + PciAddress.AddressValue = CPTC2_PCI_ADDR; + LibAmdPciRead (AccessWidth32, PciAddress, &Cptc2.Value, StdHeader); + NbP0Cof = RoundedDivision (NbPstateNumerator, Cptc2.Field.NbPs0NclkDiv); + + // Read NB P-state status + PciAddress.AddressValue = NB_PSTATE_CTRL_STS_PCI_ADDR; + LibAmdPciRead (AccessWidth32, PciAddress, &NbPsCtrlSts.Value, StdHeader); + + // Read low config register + PciAddress.AddressValue = NB_PSTATE_CFG_LOW_PCI_ADDR; + LibAmdPciRead (AccessWidth32, PciAddress, &NbPsCfgLow.Value, StdHeader); + if (TargetNbPstate == 1) { + // If target is P1, the CPU MUST be in P0, otherwise the P1 settings + // cannot be realized. This is a programming error. + ASSERT (NbPsCtrlSts.Field.NbPs1Act == 0); + + if (NbPsCfgLow.Field.NbPsCap == 1) { + // The part is capable of NB P-states. Transition to P1. + NbPsCfgLow.Field.NbPsForceSel = 1; + LibAmdPciWrite (AccessWidth32, PciAddress, &NbPsCfgLow.Value, StdHeader); + + // Wait for the transition to complete. + PciAddress.AddressValue = NB_PSTATE_CTRL_STS_PCI_ADDR; + do { + LibAmdPciRead (AccessWidth32, PciAddress, &NbPsCtrlSts.Value, StdHeader); + } while (NbPsCtrlSts.Field.NbPs1Act != 1); + + *CurrentNbFreq = RoundedDivision (NbPstateNumerator, NbPsCfgLow.Field.NbPs1NclkDiv); + } else { + // No NB P-states. Return FALSE, and set current frequency to P0. + *CurrentNbFreq = NbP0Cof; + ReturnStatus = FALSE; + } + } else { + // Target P0 + *CurrentNbFreq = NbP0Cof; + if (NbPsCtrlSts.Field.NbPs1Act != 0) { + // Request transition to P0 + NbPsCfgLow.Field.NbPsForceSel = 0; + LibAmdPciWrite (AccessWidth32, PciAddress, &NbPsCfgLow.Value, StdHeader); + } + } + } + + // Ensure that the frequency has settled before returning to memory code. + PciAddress.AddressValue = CPTC2_PCI_ADDR; + do { + LibAmdPciRead (AccessWidth32, PciAddress, &Cptc2.Value, StdHeader); + } while (Cptc2.Field.NclkFreqDone != 1); + + return ReturnStatus; +} + +/*---------------------------------------------------------------------------------------*/ +/** + * Performs integer division, and rounds the quotient up if the remainder is greater + * than or equal to 50% of the divisor. + * + * @param[in] Dividend The target MEMCLK in megahertz. + * @param[in] Divisor The target MEMCLK's register encoding. + * + * @return The rounded quotient + */ +UINT32 +STATIC +RoundedDivision ( + IN UINT32 Dividend, + IN UINT32 Divisor + ) +{ + UINT32 Quotient; + + ASSERT (Divisor != 0); + + Quotient = Dividend / Divisor; + if (((Dividend % Divisor) * 2) >= Divisor) { + Quotient++; + } + return Quotient; +} |