| /* SPDX-License-Identifier: GPL-2.0-only */ |
| #include <assert.h> |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <fsp/api.h> |
| #include <fsp/ppi/mp_service_ppi.h> |
| #include <fsp/util.h> |
| #include <option.h> |
| #include <intelblocks/lpss.h> |
| #include <intelblocks/pmclib.h> |
| #include <intelblocks/xdci.h> |
| #include <intelpch/lockdown.h> |
| #include <soc/intel/common/vbt.h> |
| #include <soc/pci_devs.h> |
| #include <soc/ramstage.h> |
| #include <soc/soc_chip.h> |
| #include <string.h> |
| #include <types.h> |
| |
| /* 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 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; |
| |
| /* 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; |
| } else { |
| params->PchLockDownGlobalSmi = 1; |
| params->PchLockDownBiosLock = 1; |
| params->PchLockDownBiosInterface = 1; |
| params->PchWriteProtectionEnable[0] = 1; |
| params->PchUnlockGpioPads = 0; |
| params->RtcMemoryLock = 1; |
| } |
| |
| /* 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; |
| |
| /* 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; |
| } |
| |
| /* PCH GBE config */ |
| /* |
| * 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; |
| /* |
| * Currently EHL TSN GBE only supports link speed with 2 type of |
| * PCH XTAL frequency: 24 MHz and 38.4 MHz. |
| * These are the configs setup for PchTsnGbeLinkSpeed FSP-S UPD: |
| * 0: 24MHz 2.5Gbps, 1: 24MHz 1Gbps, 2: 38.4MHz 2.5Gbps, |
| * 3: 38.4MHz 1Gbps |
| */ |
| switch (pmc_get_xtal_freq()) { |
| case XTAL_24_MHZ: |
| params->PchTsnGbeLinkSpeed = (!!config->PchTsnGbeLinkSpeed); |
| break; |
| case XTAL_38_4_MHZ: |
| params->PchTsnGbeLinkSpeed = (!!config->PchTsnGbeLinkSpeed) + 0x2; |
| break; |
| case XTAL_19_2_MHZ: |
| default: |
| printk(BIOS_ERR, "XTAL not supported. Disabling PCH TSN GBE.\n"); |
| params->PchTsnEnable = 0; |
| devfn_disable(pci_root_bus(), PCH_DEVFN_GBE); |
| } |
| } |
| |
| /* 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__); |
| } |