/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* SATA DEVSLP idle timeout default values */ #define DEF_DMVAL 15 #define DEF_DITOVAL_MS 625 /* Native function controls pads termination */ #define GPIO_TERM_NATIVE 0x1F /* PM related values */ /* Imon offset is defined in 1/1000 increments */ #define IMON_OFFSET 1 /* Policy Imon slope is defined in 1/100 increments */ #define IMON_SLOPE 100 /* Thermal Design Current current limit in 1/8A units */ #define TDC_CURRENT_LIMIT_MAX 112 /* AcLoadline in 1/100 mOhms */ #define AC_LOADLINE_LANE_0_MAX 112 #define AC_LOADLINE_LANE_1_MAX 3 /* DcLoadline in 1/100 mOhms */ #define DC_LOADLINE_LANE_0_MAX 92 #define DC_LOADLINE_LANE_1_MAX 3 /* VR Icc Max limit. 0-255A in 1/4 A units */ #define ICC_LIMIT_MAX 104 /* Core Ratio Limit: For overclocking part: LFM to Fused */ #define CORE_RATIO_LIMIT 0x13 /* * Chip config parameter PcieRpL1Substates uses (UPD value + 1) * because UPD value of 0 for PcieRpL1Substates means disabled for FSP. * In order to ensure that mainboard setting does not disable L1 substates * incorrectly, chip config parameter values are offset by 1 with 0 meaning * use FSP UPD default. get_l1_substate_control() ensures that the right UPD * value is set in fsp_params. * 0: Use FSP UPD default * 1: Disable L1 substates * 2: Use L1.1 * 3: Use L1.2 (FSP UPD default) */ static int get_l1_substate_control(enum L1_substates_control ctl) { if ((ctl > L1_SS_L1_2) || (ctl == L1_SS_FSP_DEFAULT)) ctl = L1_SS_L1_2; return ctl - 1; } static void fill_fsps_fivr_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_elkhartlake_config *config) { s_cfg->PchFivrExtV1p05RailEnabledStates = config->fivr.v1p05_state; s_cfg->PchFivrExtV1p05RailSupportedVoltageStates = config->fivr.v1p05_rail; s_cfg->PchFivrExtVnnRailEnabledStates = config->fivr.vnn_state; s_cfg->PchFivrExtVnnRailSupportedVoltageStates = config->fivr.vnn_rail; s_cfg->PchFivrExtVnnRailSxEnabledStates = config->fivr.vnn_sx_state; s_cfg->PchFivrVccinAuxLowToHighCurModeVolTranTime = config->fivr.vcc_low_high_us; s_cfg->PchFivrVccinAuxRetToHighCurModeVolTranTime = config->fivr.vcc_ret_high_us; s_cfg->PchFivrVccinAuxRetToLowCurModeVolTranTime = config->fivr.vcc_ret_low_us; s_cfg->PchFivrVccinAuxOffToHighCurModeVolTranTime = config->fivr.vcc_off_high_us; /* Convert mV to number of 2.5 mV increments */ s_cfg->PchFivrExtVnnRailSxVoltage = (config->fivr.vnn_sx_mv * 10) / 25; s_cfg->PchFivrExtV1p05RailIccMaximum = config->fivr.v1p05_icc_max_ma; s_cfg->FivrSpreadSpectrum = config->fivr.spread_spectrum; } static void fill_fsps_tsn_params(FSP_S_CONFIG *params, const struct soc_intel_elkhartlake_config *config) { /* * Currently EHL TSN GBE only supports link speed with 2 type of * PCH XTAL frequency: 24 MHz and 38.4 MHz. * These are the config values for PchTsnGbeLinkSpeed in FSP-S UPD: * 0: 24MHz 2.5Gbps, 1: 24MHz 1Gbps, 2: 38.4MHz 2.5Gbps, * 3: 38.4MHz 1Gbps */ int xtal_freq_enum = pmc_get_xtal_freq(); if ((xtal_freq_enum != XTAL_24_MHZ) && (xtal_freq_enum != XTAL_38_4_MHZ)) { printk(BIOS_ERR, "XTAL not supported. Disabling All TSN GBE ports.\n"); params->PchTsnEnable = 0; params->PchPseGbeEnable[0] = 0; params->PchPseGbeEnable[1] = 0; devfn_disable(pci_root_bus(), PCH_DEVFN_GBE); devfn_disable(pci_root_bus(), PCH_DEVFN_PSEGBE0); devfn_disable(pci_root_bus(), PCH_DEVFN_PSEGBE1); } /* * PCH TSN settings: * Due to EHL GBE comes with time sensitive networking (TSN) * capability integrated, EHL FSP is using PchTsnEnable instead of * usual PchLanEnable flag for GBE control. Hence, force * PchLanEnable to disable to avoid it being used in the future. */ params->PchLanEnable = 0x0; params->PchTsnEnable = is_devfn_enabled(PCH_DEVFN_GBE); if (params->PchTsnEnable) { params->PchTsnGbeSgmiiEnable = config->PchTsnGbeSgmiiEnable; params->PchTsnGbeMultiVcEnable = config->PchTsnGbeMultiVcEnable; params->PchTsnGbeLinkSpeed = (config->PchTsnGbeLinkSpeed) + xtal_freq_enum; } /* PSE TSN settings */ if (!CONFIG(PSE_ENABLE)) return; for (unsigned int i = 0; i < MAX_PSE_TSN_PORTS; i++) { switch (i) { case 0: params->PchPseGbeEnable[i] = is_devfn_enabled(PCH_DEVFN_PSEGBE0) ? Host_Owned : config->PseGbeOwn[0]; break; case 1: params->PchPseGbeEnable[i] = is_devfn_enabled(PCH_DEVFN_PSEGBE1) ? Host_Owned : config->PseGbeOwn[i]; break; default: break; } if (params->PchPseGbeEnable[i]) { params->PseTsnGbeMultiVcEnable[i] = config->PseTsnGbeMultiVcEnable[i]; params->PseTsnGbeSgmiiEnable[i] = config->PseTsnGbeSgmiiEnable[i]; params->PseTsnGbePhyInterfaceType[i] = !config->PseTsnGbeSgmiiEnable[i] ? RGMII : config->PseTsnGbePhyType[i]; params->PseTsnGbeLinkSpeed[i] = (params->PseTsnGbePhyInterfaceType[i] < SGMII_plus) ? xtal_freq_enum + 1 : xtal_freq_enum; } } } static void fill_fsps_pse_params(FSP_S_CONFIG *params, const struct soc_intel_elkhartlake_config *config) { static char psefwbuf[(CONFIG_PSE_FW_FILE_SIZE_KIB + CONFIG_PSE_CONFIG_BUFFER_SIZE_KIB) * KiB]; uint32_t pse_fw_base; size_t psefwsize = cbfs_load("pse.bin", psefwbuf, sizeof(psefwbuf)); if (psefwsize > 0) { pse_fw_base = (uintptr_t)&psefwbuf; params->SiipRegionBase = pse_fw_base; params->SiipRegionSize = psefwsize; printk(BIOS_DEBUG, "PSE base: %08x size: %08zx\n", pse_fw_base, psefwsize); /* Configure PSE peripherals */ FSP_ARRAY_LOAD(params->PchPseDmaEnable, config->PseDmaOwn); FSP_ARRAY_LOAD(params->PchPseDmaSbInterruptEnable, config->PseDmaSbIntEn); FSP_ARRAY_LOAD(params->PchPseUartEnable, config->PseUartOwn); FSP_ARRAY_LOAD(params->PchPseUartSbInterruptEnable, config->PseUartSbIntEn); FSP_ARRAY_LOAD(params->PchPseHsuartEnable, config->PseHsuartOwn); FSP_ARRAY_LOAD(params->PchPseQepEnable, config->PseQepOwn); FSP_ARRAY_LOAD(params->PchPseQepSbInterruptEnable, config->PseQepSbIntEn); FSP_ARRAY_LOAD(params->PchPseI2cEnable, config->PseI2cOwn); FSP_ARRAY_LOAD(params->PchPseI2cSbInterruptEnable, config->PseI2cSbIntEn); FSP_ARRAY_LOAD(params->PchPseI2sEnable, config->PseI2sOwn); FSP_ARRAY_LOAD(params->PchPseI2sSbInterruptEnable, config->PseI2sSbIntEn); FSP_ARRAY_LOAD(params->PchPseSpiEnable, config->PseSpiOwn); FSP_ARRAY_LOAD(params->PchPseSpiSbInterruptEnable, config->PseSpiSbIntEn); FSP_ARRAY_LOAD(params->PchPseSpiCs0Enable, config->PseSpiCs0Own); FSP_ARRAY_LOAD(params->PchPseSpiCs1Enable, config->PseSpiCs1Own); FSP_ARRAY_LOAD(params->PchPseCanEnable, config->PseCanOwn); FSP_ARRAY_LOAD(params->PchPseCanSbInterruptEnable, config->PseCanSbIntEn); params->PchPsePwmEnable = config->PsePwmOwn; params->PchPsePwmSbInterruptEnable = config->PsePwmSbIntEn; FSP_ARRAY_LOAD(params->PchPsePwmPinEnable, config->PsePwmPinEn); params->PchPseAdcEnable = config->PseAdcOwn; params->PchPseAdcSbInterruptEnable = config->PseAdcSbIntEn; params->PchPseLh2PseSbInterruptEnable = config->PseLh2PseSbIntEn; params->PchPseShellEnabled = config->PseShellEn; /* * As a minimum requirement for PSE initialization, the configuration * of devices below are required as shown. * TODO: Help needed to find a better way to handle this part of code * as the settings from devicetree are overwritten here. * * Set the ownership of these devices to PSE. These are hardcoded for now, * if the PSE should be opened one day (hopefully), this can be handled * much better. */ params->PchPseDmaEnable[0] = PSE_Owned; params->PchPseUartEnable[2] = PSE_Owned; params->PchPseHsuartEnable[2] = PSE_Owned; params->PchPseI2cEnable[2] = PSE_Owned; params->PchPseTimedGpioEnable[0] = PSE_Owned; params->PchPseTimedGpioEnable[1] = PSE_Owned; /* Disable PSE DMA Sideband Interrupt for DMA 0 */ params->PchPseDmaSbInterruptEnable[0] = 0; /* Set the log output to PSE UART 2 */ params->PchPseLogOutputChannel = 3; } else { die("PSE enabled but PSE FW not available!\n"); } } static void parse_devicetree(FSP_S_CONFIG *params) { const struct soc_intel_elkhartlake_config *config = config_of_soc(); /* LPSS controllers configuration */ /* I2C */ FSP_ARRAY_LOAD(params->SerialIoI2cMode, config->SerialIoI2cMode); FSP_ARRAY_LOAD(params->PchSerialIoI2cPadsTermination, config->SerialIoI2cPadsTermination); params->PchSerialIoI2cSclPinMux[4] = 0x1B44AC09; //GPIO native mode for GPP_H9 params->PchSerialIoI2cSdaPinMux[4] = 0x1B44CC08; //GPIO native mode for GPP_H8 /* GSPI */ FSP_ARRAY_LOAD(params->SerialIoSpiMode, config->SerialIoGSpiMode); FSP_ARRAY_LOAD(params->SerialIoSpiCsEnable, config->SerialIoGSpiCsEnable); FSP_ARRAY_LOAD(params->SerialIoSpiCsMode, config->SerialIoGSpiCsMode); FSP_ARRAY_LOAD(params->SerialIoSpiCsState, config->SerialIoGSpiCsState); params->SerialIoSpiCsPolarity[2] = 0; /* UART */ FSP_ARRAY_LOAD(params->SerialIoUartMode, config->SerialIoUartMode); FSP_ARRAY_LOAD(params->SerialIoUartDmaEnable, config->SerialIoUartDmaEnable); params->SerialIoUartCtsPinMuxPolicy[0] = 0x2B01320F; //GPIO native mode for GPP_T15 params->SerialIoUartRtsPinMuxPolicy[0] = 0x2B01220E; //GPIO native mode for GPP_T14 params->SerialIoUartRxPinMuxPolicy[0] = 0x2B01020C; //GPIO native mode for GPP_T12 params->SerialIoUartTxPinMuxPolicy[0] = 0x2B01120D; //GPIO native mode for GPP_T13 /* Provide correct UART number for FSP debug logs */ params->SerialIoDebugUartNumber = CONFIG_UART_FOR_CONSOLE; } /* UPD parameters to be initialized before SiliconInit */ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) { unsigned int i; FSP_S_CONFIG *params = &supd->FspsConfig; struct soc_intel_elkhartlake_config *config = config_of_soc(); /* Parse device tree and fill in FSP UPDs */ parse_devicetree(params); /* Load VBT before devicetree-specific config. */ params->GraphicsConfigPtr = (uintptr_t)vbt_get(); /* Check if IGD is present and fill Graphics init param accordingly */ params->PeiGraphicsPeimInit = CONFIG(RUN_FSP_GOP) && is_devfn_enabled(SA_DEVFN_IGD); /* Display config */ params->DdiPortAHpd = config->DdiPortAHpd; params->DdiPortADdc = config->DdiPortADdc; params->DdiPortCHpd = config->DdiPortCHpd; params->DdiPortCDdc = config->DdiPortCDdc; /* Intel Speed Step */ params->Eist = config->eist_enable; /* Use coreboot MP PPI services if Kconfig is enabled */ if (CONFIG(USE_INTEL_FSP_TO_CALL_COREBOOT_PUBLISH_MP_PPI)) params->CpuMpPpi = (uintptr_t) mp_fill_ppi_services_data(); /* Chipset Lockdown */ if (get_lockdown_config() == CHIPSET_LOCKDOWN_COREBOOT) { params->PchLockDownGlobalSmi = 0; params->PchLockDownBiosLock = 0; params->PchLockDownBiosInterface = 0; params->PchWriteProtectionEnable[0] = 0; params->PchUnlockGpioPads = 1; params->RtcMemoryLock = 0; params->SkipPamLock = 1; } else { params->PchLockDownGlobalSmi = 1; params->PchLockDownBiosLock = 1; params->PchLockDownBiosInterface = 1; params->PchWriteProtectionEnable[0] = 1; params->PchUnlockGpioPads = 0; params->RtcMemoryLock = 1; params->SkipPamLock = 0; } /* Disable PAVP */ params->PavpEnable = 0; /* Legacy 8254 timer support */ bool use_8254 = get_uint_option("legacy_8254_timer", CONFIG(USE_LEGACY_8254_TIMER)); params->Enable8254ClockGating = !use_8254; params->Enable8254ClockGatingOnS3 = 1; /* * Legacy PM ACPI Timer (and TCO Timer) * This *must* be 1 in any case to keep FSP from * 1) enabling PM ACPI Timer emulation in uCode. * 2) disabling the PM ACPI Timer. * We handle both by ourself! */ params->EnableTcoTimer = 1; /* PCH Master Gating Control */ params->PchPostMasterClockGating = 1; params->PchPostMasterPowerGating = 1; /* HECI */ params->Heci3Enabled = config->Heci3Enable; /* USB configuration */ for (i = 0; i < ARRAY_SIZE(config->usb2_ports); i++) { params->PortUsb20Enable[i] = config->usb2_ports[i].enable; params->Usb2PhyPetxiset[i] = config->usb2_ports[i].pre_emp_bias; params->Usb2PhyTxiset[i] = config->usb2_ports[i].tx_bias; params->Usb2PhyPredeemp[i] = config->usb2_ports[i].tx_emp_enable; params->Usb2PhyPehalfbit[i] = config->usb2_ports[i].pre_emp_bit; params->Usb2OverCurrentPin[i] = config->usb2_ports[i].enable ? config->usb2_ports[i].ocpin : 0xff; } for (i = 0; i < ARRAY_SIZE(config->usb3_ports); i++) { params->PortUsb30Enable[i] = config->usb3_ports[i].enable; params->Usb3OverCurrentPin[i] = config->usb3_ports[i].enable ? config->usb3_ports[i].ocpin : 0xff; if (config->usb3_ports[i].tx_de_emp) { params->Usb3HsioTxDeEmphEnable[i] = 1; params->Usb3HsioTxDeEmph[i] = config->usb3_ports[i].tx_de_emp; } if (config->usb3_ports[i].tx_downscale_amp) { params->Usb3HsioTxDownscaleAmpEnable[i] = 1; params->Usb3HsioTxDownscaleAmp[i] = config->usb3_ports[i].tx_downscale_amp; } } params->UsbClockGatingEnable = 1; params->UsbPowerGatingEnable = 1; params->XdciEnable = xdci_can_enable(PCH_DEVFN_USBOTG); /* PCIe root ports config */ for (i = 0; i < CONFIG_MAX_ROOT_PORTS; i++) { params->PcieRpClkReqDetect[i] = !config->PcieRpClkReqDetectDisable[i]; params->PcieRpL1Substates[i] = get_l1_substate_control(config->PcieRpL1Substates[i]); params->PcieRpLtrEnable[i] = !config->PcieRpLtrDisable[i]; params->PcieRpAdvancedErrorReporting[i] = !config->PcieRpAdvancedErrorReportingDisable[i]; params->PcieRpHotPlug[i] = config->PcieRpHotPlug[i]; params->PciePtm[i] = config->PciePtm[i]; params->PcieRpLtrMaxNoSnoopLatency[i] = 0x1003; params->PcieRpLtrMaxSnoopLatency[i] = 0x1003; /* Virtual Channel 1 to Traffic Class mapping */ params->PcieRpVc1TcMap[i] = 0x60; } /* SATA config */ params->SataEnable = is_devfn_enabled(PCH_DEVFN_SATA); if (params->SataEnable) { params->SataMode = config->SataMode; params->SataSalpSupport = config->SataSalpSupport; params->SataPwrOptEnable = !(config->SataPwrOptimizeDisable); for (i = 0; i < CONFIG_MAX_SATA_PORTS; i++) { params->SataPortsEnable[i] = config->SataPortsEnable[i]; params->SataPortsDevSlp[i] = config->SataPortsDevSlp[i]; if (config->SataPortsEnableDitoConfig[i]) { params->SataPortsDmVal[i] = config->SataPortsDmVal[i] ? : DEF_DMVAL; params->SataPortsDitoVal[i] = config->SataPortsDitoVal[i] ? : DEF_DITOVAL_MS; } } } /* SDCard config */ params->ScsSdCardEnabled = is_devfn_enabled(PCH_DEVFN_SDCARD); if (params->ScsSdCardEnabled) { params->SdCardPowerEnableActiveHigh = config->SdCardPowerEnableActiveHigh; params->SdCardGpioCmdPadTermination = GPIO_TERM_NATIVE; params->SdCardGpioDataPadTermination[0] = GPIO_TERM_NATIVE; params->SdCardGpioDataPadTermination[1] = GPIO_TERM_NATIVE; params->SdCardGpioDataPadTermination[2] = GPIO_TERM_NATIVE; params->SdCardGpioDataPadTermination[3] = GPIO_TERM_NATIVE; } /* eMMC config */ params->ScsEmmcEnabled = is_devfn_enabled(PCH_DEVFN_EMMC); if (params->ScsEmmcEnabled) { params->ScsEmmcHs400Enabled = config->ScsEmmcHs400Enabled; params->ScsEmmcDdr50Enabled = config->ScsEmmcDdr50Enabled; } /* Thermal config */ params->Device4Enable = is_devfn_enabled(SA_DEVFN_DPTF); params->ProcHotResponse = 0x0; //Disable PROCHOT response /* Thermal sensor (TS) target width */ params->DmiTS0TW = 3; params->DmiTS1TW = 2; params->DmiTS2TW = 1; /* Enable memory thermal throttling by default */ if (!config->MemoryThermalThrottlingDisable) { params->PchMemoryPmsyncEnable[0] = 1; params->PchMemoryPmsyncEnable[1] = 1; params->PchMemoryC0TransmitEnable[0] = 1; params->PchMemoryC0TransmitEnable[1] = 1; } /* TccActivationOffset config */ params->TccActivationOffset = config->tcc_offset; params->TccOffsetClamp = config->tcc_offset_clamp; params->TccOffsetLock = 0x1; //lock Tcc Offset register /* Power management config */ params->ImonSlope[0] = IMON_SLOPE; params->ImonOffset[0] = IMON_OFFSET; params->TdcCurrentLimit[0] = TDC_CURRENT_LIMIT_MAX; params->AcLoadline[0] = AC_LOADLINE_LANE_0_MAX; params->DcLoadline[0] = DC_LOADLINE_LANE_0_MAX; params->AcLoadline[1] = AC_LOADLINE_LANE_1_MAX; params->DcLoadline[1] = DC_LOADLINE_LANE_1_MAX; params->IccMax[0] = ICC_LIMIT_MAX; params->OneCoreRatioLimit = CORE_RATIO_LIMIT; params->TwoCoreRatioLimit = CORE_RATIO_LIMIT; params->ThreeCoreRatioLimit = CORE_RATIO_LIMIT; params->FourCoreRatioLimit = CORE_RATIO_LIMIT; params->FiveCoreRatioLimit = CORE_RATIO_LIMIT; params->SixCoreRatioLimit = CORE_RATIO_LIMIT; params->SevenCoreRatioLimit = CORE_RATIO_LIMIT; params->EightCoreRatioLimit = CORE_RATIO_LIMIT; params->PsysPmax = 0; //Set max platform power to auto profile params->Custom1TurboActivationRatio = 0; params->Custom2TurboActivationRatio = 0; params->Custom3TurboActivationRatio = 0; params->PchPwrOptEnable = 0x1; //Enable PCH DMI Power Optimizer params->TStates = 0x0; //Disable T state params->PkgCStateLimit = 0x7; //Set C state limit to C9 params->FastPkgCRampDisable[0] = 0x1; params->SlowSlewRate[0] = 0x1; params->MaxRatio = 0x8; //Set max P state ratio params->PchEspiLgmrEnable = 0; params->PchPmPwrBtnOverridePeriod = config->PchPmPwrBtnOverridePeriod; params->PchS0ixAutoDemotion = 0; params->PmcV1p05PhyExtFetControlEn = 0x1; params->PmcV1p05IsExtFetControlEn = 0x1; /* FIVR config */ if (config->fivr.fivr_config_en) { fill_fsps_fivr_params(params, config); } /* FuSa (Functional Safety) config */ if (!config->FuSaEnable) { params->DisplayFusaConfigEnable = 0; params->GraphicFusaConfigEnable = 0; params->OpioFusaConfigEnable = 0; params->PsfFusaConfigEnable = 0; } /* PSE (Intel Programmable Services Engine) config */ if (CONFIG(PSE_ENABLE) && cbfs_file_exists("pse.bin")) fill_fsps_pse_params(params, config); /* TSN GBE config */ fill_fsps_tsn_params(params, config); /* Override/Fill FSP Silicon Param for mainboard */ mainboard_silicon_init_params(params); } /* Mainboard GPIO Configuration */ __weak void mainboard_silicon_init_params(FSP_S_CONFIG *params) { printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__); }