/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "chip.h" static const pci_devfn_t serial_io_dev[] = { PCH_DEVFN_I2C0, PCH_DEVFN_I2C1, PCH_DEVFN_I2C2, PCH_DEVFN_I2C3, PCH_DEVFN_I2C4, PCH_DEVFN_I2C5, PCH_DEVFN_GSPI0, PCH_DEVFN_GSPI1, PCH_DEVFN_GSPI2, PCH_DEVFN_UART0, PCH_DEVFN_UART1, PCH_DEVFN_UART2 }; /* * Given an enum for PCH_SERIAL_IO_MODE, 1 needs to be subtracted to get the FSP * UPD expected value for Serial IO since valid enum index starts from 1. */ #define PCH_SERIAL_IO_INDEX(x) ((x) - 1) static uint8_t get_param_value(const config_t *config, uint32_t dev_offset) { struct device *dev; dev = pcidev_path_on_root(serial_io_dev[dev_offset]); if (!dev || !dev->enabled) return PCH_SERIAL_IO_INDEX(PchSerialIoDisabled); if ((config->SerialIoDevMode[dev_offset] >= PchSerialIoMax) || (config->SerialIoDevMode[dev_offset] == PchSerialIoNotInitialized)) return PCH_SERIAL_IO_INDEX(PchSerialIoPci); /* * Correct Enum index starts from 1, so subtract 1 while returning value */ return PCH_SERIAL_IO_INDEX(config->SerialIoDevMode[dev_offset]); } static void parse_devicetree(const config_t *config, FSP_S_CONFIG *params) { #if CONFIG(SOC_INTEL_COMETLAKE) uint32_t dev_offset = 0; uint32_t i = 0; for (i = 0; i < CONFIG_SOC_INTEL_I2C_DEV_MAX; i++, dev_offset++) { params->SerialIoI2cMode[i] = get_param_value(config, dev_offset); } for (i = 0; i < CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX; i++, dev_offset++) { params->SerialIoSpiMode[i] = get_param_value(config, dev_offset); } for (i = 0; i < SOC_INTEL_CML_UART_DEV_MAX; i++, dev_offset++) { params->SerialIoUartMode[i] = get_param_value(config, dev_offset); } #else for (int i = 0; i < ARRAY_SIZE(serial_io_dev); i++) params->SerialIoDevMode[i] = get_param_value(config, i); #endif } /* Ignore LTR value for GBE devices */ static void ignore_gbe_ltr(void) { uint8_t reg8; uint8_t *pmcbase = pmc_mmio_regs(); reg8 = read8(pmcbase + LTR_IGN); reg8 |= IGN_GBE; write8(pmcbase + LTR_IGN, reg8); } static void configure_gspi_cs(int idx, const config_t *config, uint8_t *polarity, uint8_t *enable, uint8_t *defaultcs) { struct spi_cfg cfg; /* If speed_mhz is set, infer that the port should be configured */ if (config->common_soc_config.gspi[idx].speed_mhz != 0) { if (gspi_get_soc_spi_cfg(idx, &cfg) == 0) { if (cfg.cs_polarity == SPI_POLARITY_LOW) *polarity = 0; else *polarity = 1; if (defaultcs != NULL) *defaultcs = 0; if (enable != NULL) *enable = 1; } } } /* UPD parameters to be initialized before SiliconInit */ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) { int i; FSP_S_CONFIG *params = &supd->FspsConfig; FSP_S_TEST_CONFIG *tconfig = &supd->FspsTestConfig; struct device *dev; config_t *config = config_of_soc(); /* Parse device tree and enable/disable devices */ parse_devicetree(config, params); /* Load VBT before devicetree-specific config. */ params->GraphicsConfigPtr = (uintptr_t)vbt_get(); mainboard_silicon_init_params(supd); const struct soc_power_limits_config *soc_config; soc_config = &config->power_limits_config; /* Set PsysPmax if it is available from DT */ if (soc_config->psys_pmax) { printk(BIOS_DEBUG, "psys_pmax = %dW\n", soc_config->psys_pmax); /* PsysPmax is in unit of 1/8 Watt */ tconfig->PsysPmax = soc_config->psys_pmax * 8; } /* Unlock upper 8 bytes of RTC RAM */ params->PchLockDownRtcMemoryLock = 0; /* SATA */ dev = pcidev_path_on_root(PCH_DEVFN_SATA); if (!dev) params->SataEnable = 0; else { params->SataEnable = dev->enabled; params->SataMode = config->SataMode; params->SataPwrOptEnable = config->satapwroptimize; params->SataSalpSupport = config->SataSalpSupport; memcpy(params->SataPortsEnable, config->SataPortsEnable, sizeof(params->SataPortsEnable)); memcpy(params->SataPortsDevSlp, config->SataPortsDevSlp, sizeof(params->SataPortsDevSlp)); memcpy(params->SataPortsHotPlug, config->SataPortsHotPlug, sizeof(params->SataPortsHotPlug)); #if CONFIG(SOC_INTEL_COMETLAKE) memcpy(params->SataPortsDevSlpResetConfig, config->SataPortsDevSlpResetConfig, sizeof(params->SataPortsDevSlpResetConfig)); #endif } params->SlpS0WithGbeSupport = 0; params->PchPmSlpS0VmRuntimeControl = config->PchPmSlpS0VmRuntimeControl; params->PchPmSlpS0Vm070VSupport = config->PchPmSlpS0Vm070VSupport; params->PchPmSlpS0Vm075VSupport = config->PchPmSlpS0Vm075VSupport; /* Lan */ dev = pcidev_path_on_root(PCH_DEVFN_GBE); if (!dev) params->PchLanEnable = 0; else { params->PchLanEnable = dev->enabled; if (config->s0ix_enable && params->PchLanEnable) { /* * The VmControl UPDs need to be set as per board * design to allow voltage margining in S0ix to lower * power consumption. * But if GbE is enabled, voltage magining cannot be * enabled, so the Vm control UPDs need to be set to 0. */ params->SlpS0WithGbeSupport = 1; params->PchPmSlpS0VmRuntimeControl = 0; params->PchPmSlpS0Vm070VSupport = 0; params->PchPmSlpS0Vm075VSupport = 0; ignore_gbe_ltr(); } } /* Audio */ params->PchHdaDspEnable = config->PchHdaDspEnable; params->PchHdaIDispCodecDisconnect = config->PchHdaIDispCodecDisconnect; params->PchHdaAudioLinkHda = config->PchHdaAudioLinkHda; params->PchHdaAudioLinkDmic0 = config->PchHdaAudioLinkDmic0; params->PchHdaAudioLinkDmic1 = config->PchHdaAudioLinkDmic1; params->PchHdaAudioLinkSsp0 = config->PchHdaAudioLinkSsp0; params->PchHdaAudioLinkSsp1 = config->PchHdaAudioLinkSsp1; params->PchHdaAudioLinkSsp2 = config->PchHdaAudioLinkSsp2; params->PchHdaAudioLinkSndw1 = config->PchHdaAudioLinkSndw1; params->PchHdaAudioLinkSndw2 = config->PchHdaAudioLinkSndw2; params->PchHdaAudioLinkSndw3 = config->PchHdaAudioLinkSndw3; params->PchHdaAudioLinkSndw4 = config->PchHdaAudioLinkSndw4; /* eDP device */ params->DdiPortEdp = config->DdiPortEdp; /* HPD of DDI ports */ params->DdiPortBHpd = config->DdiPortBHpd; params->DdiPortCHpd = config->DdiPortCHpd; params->DdiPortDHpd = config->DdiPortDHpd; params->DdiPortFHpd = config->DdiPortFHpd; /* DDC of DDI ports */ params->DdiPortBDdc = config->DdiPortBDdc; params->DdiPortCDdc = config->DdiPortCDdc; params->DdiPortDDdc = config->DdiPortDDdc; params->DdiPortFDdc = config->DdiPortFDdc; /* WOL */ params->PchPmPcieWakeFromDeepSx = config->LanWakeFromDeepSx; params->PchPmWolEnableOverride = config->WolEnableOverride; /* S0ix */ params->PchPmSlpS0Enable = config->s0ix_enable; /* disable Legacy PME */ memset(params->PcieRpPmSci, 0, sizeof(params->PcieRpPmSci)); /* Legacy 8254 timer support */ params->Enable8254ClockGating = !CONFIG(USE_LEGACY_8254_TIMER); params->Enable8254ClockGatingOnS3 = !CONFIG(USE_LEGACY_8254_TIMER); params->EnableTcoTimer = CONFIG(USE_PM_ACPI_TIMER); /* USB */ for (i = 0; i < ARRAY_SIZE(config->usb2_ports); i++) { params->PortUsb20Enable[i] = config->usb2_ports[i].enable; params->Usb2AfePetxiset[i] = config->usb2_ports[i].pre_emp_bias; params->Usb2AfeTxiset[i] = config->usb2_ports[i].tx_bias; params->Usb2AfePredeemp[i] = config->usb2_ports[i].tx_emp_enable; params->Usb2AfePehalfbit[i] = config->usb2_ports[i].pre_emp_bit; if (config->usb2_ports[i].enable) params->Usb2OverCurrentPin[i] = config->usb2_ports[i].ocpin; else params->Usb2OverCurrentPin[i] = 0xff; } if (config->PchUsb2PhySusPgDisable) params->PchUsb2PhySusPgEnable = 0; for (i = 0; i < ARRAY_SIZE(config->usb3_ports); i++) { params->PortUsb30Enable[i] = config->usb3_ports[i].enable; if (config->usb3_ports[i].enable) { params->Usb3OverCurrentPin[i] = config->usb3_ports[i].ocpin; } else { params->Usb3OverCurrentPin[i] = 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; } #if CONFIG(SOC_INTEL_COMETLAKE) if (config->usb3_ports[i].gen2_tx_rate0_uniq_tran_enable) { params->Usb3HsioTxRate0UniqTranEnable[i] = 1; params->Usb3HsioTxRate0UniqTran[i] = config->usb3_ports[i].gen2_tx_rate0_uniq_tran; } if (config->usb3_ports[i].gen2_tx_rate1_uniq_tran_enable) { params->Usb3HsioTxRate1UniqTranEnable[i] = 1; params->Usb3HsioTxRate1UniqTran[i] = config->usb3_ports[i].gen2_tx_rate1_uniq_tran; } if (config->usb3_ports[i].gen2_tx_rate2_uniq_tran_enable) { params->Usb3HsioTxRate2UniqTranEnable[i] = 1; params->Usb3HsioTxRate2UniqTran[i] = config->usb3_ports[i].gen2_tx_rate2_uniq_tran; } if (config->usb3_ports[i].gen2_tx_rate3_uniq_tran_enable) { params->Usb3HsioTxRate3UniqTranEnable[i] = 1; params->Usb3HsioTxRate3UniqTran[i] = config->usb3_ports[i].gen2_tx_rate3_uniq_tran; } #endif if (config->usb3_ports[i].gen2_rx_tuning_enable) { params->PchUsbHsioRxTuningEnable[i] = config->usb3_ports[i].gen2_rx_tuning_enable; params->PchUsbHsioRxTuningParameters[i] = config->usb3_ports[i].gen2_rx_tuning_params; params->PchUsbHsioFilterSel[i] = config->usb3_ports[i].gen2_rx_filter_sel; } } /* Enable xDCI controller if enabled in devicetree and allowed */ dev = pcidev_path_on_root(PCH_DEVFN_USBOTG); if (dev) { if (!xdci_can_enable()) dev->enabled = 0; params->XdciEnable = dev->enabled; } else params->XdciEnable = 0; /* Set Debug serial port */ params->SerialIoDebugUartNumber = CONFIG_UART_FOR_CONSOLE; #if !CONFIG(SOC_INTEL_COMETLAKE) params->SerialIoEnableDebugUartAfterPost = CONFIG(INTEL_LPSS_UART_FOR_CONSOLE); #endif /* Enable CNVi Wifi if enabled in device tree */ dev = pcidev_path_on_root(PCH_DEVFN_CNViWIFI); #if CONFIG(SOC_INTEL_COMETLAKE) if (dev) params->CnviMode = dev->enabled; else params->CnviMode = 0; #else if (dev) params->PchCnviMode = dev->enabled; else params->PchCnviMode = 0; #endif /* PCI Express */ for (i = 0; i < ARRAY_SIZE(config->PcieClkSrcUsage); i++) { if (config->PcieClkSrcUsage[i] == 0) config->PcieClkSrcUsage[i] = PCIE_CLK_NOTUSED; else if (config->PcieClkSrcUsage[i] == PCIE_CLK_RP0) config->PcieClkSrcUsage[i] = 0; } memcpy(params->PcieClkSrcUsage, config->PcieClkSrcUsage, sizeof(config->PcieClkSrcUsage)); memcpy(params->PcieClkSrcClkReq, config->PcieClkSrcClkReq, sizeof(config->PcieClkSrcClkReq)); memcpy(params->PcieRpAdvancedErrorReporting, config->PcieRpAdvancedErrorReporting, sizeof(config->PcieRpAdvancedErrorReporting)); memcpy(params->PcieRpLtrEnable, config->PcieRpLtrEnable, sizeof(config->PcieRpLtrEnable)); memcpy(params->PcieRpSlotImplemented, config->PcieRpSlotImplemented, sizeof(config->PcieRpSlotImplemented)); memcpy(params->PcieRpHotPlug, config->PcieRpHotPlug, sizeof(config->PcieRpHotPlug)); for (i = 0; i < CONFIG_MAX_ROOT_PORTS; i++) { params->PcieRpMaxPayload[i] = config->PcieRpMaxPayload[i]; if (config->PcieRpAspm[i]) params->PcieRpAspm[i] = config->PcieRpAspm[i] - 1; }; /* eMMC and SD */ dev = pcidev_path_on_root(PCH_DEVFN_EMMC); if (!dev) params->ScsEmmcEnabled = 0; else { params->ScsEmmcEnabled = dev->enabled; params->ScsEmmcHs400Enabled = config->ScsEmmcHs400Enabled; params->PchScsEmmcHs400DllDataValid = config->EmmcHs400DllNeed; if (config->EmmcHs400DllNeed == 1) { params->PchScsEmmcHs400RxStrobeDll1 = config->EmmcHs400RxStrobeDll1; params->PchScsEmmcHs400TxDataDll = config->EmmcHs400TxDataDll; } } dev = pcidev_path_on_root(PCH_DEVFN_SDCARD); if (!dev) { params->ScsSdCardEnabled = 0; } else { params->ScsSdCardEnabled = dev->enabled; params->SdCardPowerEnableActiveHigh = CONFIG(MB_HAS_ACTIVE_HIGH_SD_PWR_ENABLE); #if CONFIG(SOC_INTEL_COMETLAKE) params->ScsSdCardWpPinEnabled = config->ScsSdCardWpPinEnabled; #endif } dev = pcidev_path_on_root(PCH_DEVFN_UFS); if (!dev) params->ScsUfsEnabled = 0; else params->ScsUfsEnabled = dev->enabled; dev = pcidev_path_on_root(PCH_DEVFN_CSE_3); params->Heci3Enabled = is_dev_enabled(dev); #if !CONFIG(HECI_DISABLE_USING_SMM) dev = pcidev_path_on_root(PCH_DEVFN_CSE); params->Heci1Disabled = !is_dev_enabled(dev); #endif params->Device4Enable = config->Device4Enable; /* Teton Glacier hybrid storage support */ params->TetonGlacierMode = config->TetonGlacierMode; /* VrConfig Settings for 5 domains * 0 = System Agent, 1 = IA Core, 2 = Ring, * 3 = GT unsliced, 4 = GT sliced */ for (i = 0; i < ARRAY_SIZE(config->domain_vr_config); i++) fill_vr_domain_config(params, i, &config->domain_vr_config[i]); /* Acoustic Noise Mitigation */ params->AcousticNoiseMitigation = config->AcousticNoiseMitigation; params->SlowSlewRateForIa = config->SlowSlewRateForIa; params->SlowSlewRateForGt = config->SlowSlewRateForGt; params->SlowSlewRateForSa = config->SlowSlewRateForSa; params->SlowSlewRateForFivr = config->SlowSlewRateForFivr; params->FastPkgCRampDisableIa = config->FastPkgCRampDisableIa; params->FastPkgCRampDisableGt = config->FastPkgCRampDisableGt; params->FastPkgCRampDisableSa = config->FastPkgCRampDisableSa; params->FastPkgCRampDisableFivr = config->FastPkgCRampDisableFivr; /* Apply minimum assertion width settings if non-zero */ if (config->PchPmSlpS3MinAssert) params->PchPmSlpS3MinAssert = config->PchPmSlpS3MinAssert; if (config->PchPmSlpS4MinAssert) params->PchPmSlpS4MinAssert = config->PchPmSlpS4MinAssert; if (config->PchPmSlpSusMinAssert) params->PchPmSlpSusMinAssert = config->PchPmSlpSusMinAssert; if (config->PchPmSlpAMinAssert) params->PchPmSlpAMinAssert = config->PchPmSlpAMinAssert; #if CONFIG(SOC_INTEL_COMETLAKE) if (config->PchPmPwrCycDur) params->PchPmPwrCycDur = get_pm_pwr_cyc_dur(config->PchPmSlpS4MinAssert, config->PchPmSlpS3MinAssert, config->PchPmSlpAMinAssert, config->PchPmPwrCycDur); #endif /* Set TccActivationOffset */ tconfig->TccActivationOffset = config->tcc_offset; /* Unlock all GPIO pads */ tconfig->PchUnlockGpioPads = config->PchUnlockGpioPads; /* Set correct Sirq mode based on config */ params->PchSirqEnable = config->serirq_mode != SERIRQ_OFF; params->PchSirqMode = config->serirq_mode == SERIRQ_CONTINUOUS; /* * GSPI Chip Select parameters * The GSPI driver assumes that CS0 is the used chip-select line, * therefore only CS0 is configured below. */ #if CONFIG(SOC_INTEL_COMETLAKE) configure_gspi_cs(0, config, ¶ms->SerialIoSpi0CsPolarity[0], ¶ms->SerialIoSpi0CsEnable[0], ¶ms->SerialIoSpiDefaultCsOutput[0]); configure_gspi_cs(1, config, ¶ms->SerialIoSpi1CsPolarity[0], ¶ms->SerialIoSpi1CsEnable[0], ¶ms->SerialIoSpiDefaultCsOutput[1]); configure_gspi_cs(2, config, ¶ms->SerialIoSpi2CsPolarity[0], ¶ms->SerialIoSpi2CsEnable[0], ¶ms->SerialIoSpiDefaultCsOutput[2]); #else for (i = 0; i < CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX; i++) configure_gspi_cs(i, config, ¶ms->SerialIoSpiCsPolarity[0], NULL, NULL); #endif /* Chipset Lockdown */ if (get_lockdown_config() == CHIPSET_LOCKDOWN_COREBOOT) { tconfig->PchLockDownGlobalSmi = 0; tconfig->PchLockDownBiosInterface = 0; params->PchLockDownBiosLock = 0; params->PchLockDownRtcMemoryLock = 0; #if CONFIG(SOC_INTEL_COMETLAKE) /* * Skip SPI Flash Lockdown from inside FSP. * Making this config "0" means FSP won't set the FLOCKDN bit * of SPIBAR + 0x04 (i.e., Bit 15 of BIOS_HSFSTS_CTL). * So, it becomes coreboot's responsibility to set this bit * before end of POST for security concerns. */ params->SpiFlashCfgLockDown = 0; #endif } else { tconfig->PchLockDownGlobalSmi = 1; tconfig->PchLockDownBiosInterface = 1; params->PchLockDownBiosLock = 1; params->PchLockDownRtcMemoryLock = 1; #if CONFIG(SOC_INTEL_COMETLAKE) /* * Enable SPI Flash Lockdown from inside FSP. * Making this config "1" means FSP will set the FLOCKDN bit * of SPIBAR + 0x04 (i.e., Bit 15 of BIOS_HSFSTS_CTL). */ params->SpiFlashCfgLockDown = 1; #endif } #if !CONFIG(SOC_INTEL_COMETLAKE) params->VrPowerDeliveryDesign = config->VrPowerDeliveryDesign; #endif dev = pcidev_path_on_root(SA_DEVFN_IGD); if (CONFIG(RUN_FSP_GOP) && dev && dev->enabled) params->PeiGraphicsPeimInit = 1; else params->PeiGraphicsPeimInit = 0; params->PavpEnable = CONFIG(PAVP); /* * Prevent FSP from programming write-once subsystem IDs by providing * a custom SSID table. Must have at least one entry for the FSP to * use the table. */ struct svid_ssid_init_entry { union { struct { uint64_t reg:12; /* Register offset */ uint64_t function:3; uint64_t device:5; uint64_t bus:8; uint64_t :4; uint64_t segment:16; uint64_t :16; }; uint64_t segbusdevfuncregister; }; struct { uint16_t svid; uint16_t ssid; }; uint32_t reserved; }; /* * The xHCI and HDA devices have RW/L rather than RW/O registers for * subsystem IDs and so must be written before FspSiliconInit locks * them with their default values. */ const pci_devfn_t devfn_table[] = { PCH_DEVFN_XHCI, PCH_DEVFN_HDA }; static struct svid_ssid_init_entry ssid_table[ARRAY_SIZE(devfn_table)]; for (i = 0; i < ARRAY_SIZE(devfn_table); i++) { ssid_table[i].reg = PCI_SUBSYSTEM_VENDOR_ID; ssid_table[i].device = PCI_SLOT(devfn_table[i]); ssid_table[i].function = PCI_FUNC(devfn_table[i]); dev = pcidev_path_on_root(devfn_table[i]); if (dev) { ssid_table[i].svid = dev->subsystem_vendor; ssid_table[i].ssid = dev->subsystem_device; } } params->SiSsidTablePtr = (uintptr_t)ssid_table; params->SiNumberOfSsidTableEntry = ARRAY_SIZE(ssid_table); } /* Mainboard GPIO Configuration */ __weak void mainboard_silicon_init_params(FSPS_UPD *supd) { printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__); } /* Return list of SOC LPSS controllers */ const pci_devfn_t *soc_lpss_controllers_list(size_t *size) { *size = ARRAY_SIZE(serial_io_dev); return serial_io_dev; } /* Handle FSP logo params */ void soc_load_logo(FSPS_UPD *supd) { bmp_load_logo(&supd->FspsConfig.LogoPtr, &supd->FspsConfig.LogoSize); }