| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <cbmem.h> |
| #include <fsp/api.h> |
| #include <acpi/acpi.h> |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <device/pci_ids.h> |
| #include <fsp/util.h> |
| #include <intelblocks/cfg.h> |
| #include <intelblocks/itss.h> |
| #include <intelblocks/lpc_lib.h> |
| #include <intelblocks/mp_init.h> |
| #include <intelblocks/pcie_rp.h> |
| #include <intelblocks/power_limit.h> |
| #include <intelblocks/xdci.h> |
| #include <intelblocks/p2sb.h> |
| #include <intelpch/lockdown.h> |
| #include <romstage_handoff.h> |
| #include <soc/acpi.h> |
| #include <soc/intel/common/vbt.h> |
| #include <soc/interrupt.h> |
| #include <soc/iomap.h> |
| #include <soc/irq.h> |
| #include <soc/itss.h> |
| #include <soc/pci_devs.h> |
| #include <soc/ramstage.h> |
| #include <soc/systemagent.h> |
| #include <soc/usb.h> |
| #include <string.h> |
| |
| #include "chip.h" |
| |
| static const struct pcie_rp_group pch_lp_rp_groups[] = { |
| { .slot = PCH_DEV_SLOT_PCIE, .count = 8 }, |
| { .slot = PCH_DEV_SLOT_PCIE_1, .count = 4 }, |
| { 0 } |
| }; |
| |
| static const struct pcie_rp_group pch_h_rp_groups[] = { |
| { .slot = PCH_DEV_SLOT_PCIE, .count = 8 }, |
| { .slot = PCH_DEV_SLOT_PCIE_1, .count = 8 }, |
| /* Sunrise Point PCH-H actually only has 4 ports in the |
| third group. But that would require a runtime check |
| and probing 4 non-existent ports shouldn't hurt. */ |
| { .slot = PCH_DEV_SLOT_PCIE_2, .count = 8 }, |
| { 0 } |
| }; |
| |
| void soc_init_pre_device(void *chip_info) |
| { |
| /* Snapshot the current GPIO IRQ polarities. FSP is setting a |
| * default policy that doesn't honor boards' requirements. */ |
| itss_snapshot_irq_polarities(GPIO_IRQ_START, GPIO_IRQ_END); |
| |
| /* Perform silicon specific init. */ |
| fsp_silicon_init(romstage_handoff_is_resume()); |
| |
| /* |
| * Keep the P2SB device visible so it and the other devices are |
| * visible in coreboot for driver support and PCI resource allocation. |
| * There is no UPD setting for this. |
| */ |
| p2sb_unhide(); |
| |
| /* Restore GPIO IRQ polarities back to previous settings. */ |
| itss_restore_irq_polarities(GPIO_IRQ_START, GPIO_IRQ_END); |
| |
| /* swap enabled PCI ports in device tree if needed */ |
| if (CONFIG(SKYLAKE_SOC_PCH_H)) |
| pcie_rp_update_devicetree(pch_h_rp_groups); |
| else |
| pcie_rp_update_devicetree(pch_lp_rp_groups); |
| } |
| |
| void soc_fsp_load(void) |
| { |
| fsps_load(romstage_handoff_is_resume()); |
| } |
| |
| static struct device_operations pci_domain_ops = { |
| .read_resources = &pci_domain_read_resources, |
| .set_resources = &pci_domain_set_resources, |
| .scan_bus = &pci_domain_scan_bus, |
| #if CONFIG(HAVE_ACPI_TABLES) |
| .write_acpi_tables = &northbridge_write_acpi_tables, |
| .acpi_name = &soc_acpi_name, |
| #endif |
| }; |
| |
| static struct device_operations cpu_bus_ops = { |
| .read_resources = noop_read_resources, |
| .set_resources = noop_set_resources, |
| #if CONFIG(HAVE_ACPI_TABLES) |
| .acpi_fill_ssdt = generate_cpu_entries, |
| #endif |
| }; |
| |
| static void soc_enable(struct device *dev) |
| { |
| /* Set the operations if it is a special bus type */ |
| if (dev->path.type == DEVICE_PATH_DOMAIN) |
| dev->ops = &pci_domain_ops; |
| else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) |
| dev->ops = &cpu_bus_ops; |
| } |
| |
| struct chip_operations soc_intel_skylake_ops = { |
| CHIP_NAME("Intel 6th Gen") |
| .enable_dev = &soc_enable, |
| .init = &soc_init_pre_device, |
| }; |
| |
| /* UPD parameters to be initialized before SiliconInit */ |
| void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) |
| { |
| FSP_S_CONFIG *params = &supd->FspsConfig; |
| FSP_S_TEST_CONFIG *tconfig = &supd->FspsTestConfig; |
| struct soc_intel_skylake_config *config; |
| struct device *dev; |
| uintptr_t vbt_data = (uintptr_t)vbt_get(); |
| int i; |
| |
| config = config_of_soc(); |
| |
| mainboard_silicon_init_params(params); |
| |
| struct soc_power_limits_config *soc_confg; |
| config_t *confg = config_of_soc(); |
| soc_confg = &confg->power_limits_config; |
| /* Set PsysPmax if it is available from DT */ |
| if (soc_confg->psys_pmax) { |
| /* PsysPmax is in unit of 1/8 Watt */ |
| tconfig->PsysPmax = soc_confg->psys_pmax * 8; |
| printk(BIOS_DEBUG, "psys_pmax = %d\n", tconfig->PsysPmax); |
| } |
| |
| params->GraphicsConfigPtr = (u32) vbt_data; |
| |
| 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] = OC_SKIP; |
| } |
| |
| 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] = OC_SKIP; |
| |
| 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; |
| } |
| } |
| |
| dev = pcidev_path_on_root(PCH_DEVFN_SATA); |
| params->SataEnable = dev && dev->enabled; |
| if (params->SataEnable) { |
| memcpy(params->SataPortsEnable, config->SataPortsEnable, |
| sizeof(params->SataPortsEnable)); |
| memcpy(params->SataPortsDevSlp, config->SataPortsDevSlp, |
| sizeof(params->SataPortsDevSlp)); |
| memcpy(params->SataPortsHotPlug, config->SataPortsHotPlug, |
| sizeof(params->SataPortsHotPlug)); |
| memcpy(params->SataPortsSpinUp, config->SataPortsSpinUp, |
| sizeof(params->SataPortsSpinUp)); |
| |
| params->SataSalpSupport = config->SataSalpSupport; |
| params->SataMode = config->SataMode; |
| params->SataSpeedLimit = config->SataSpeedLimit; |
| /* |
| * For unknown reasons FSP skips writing some essential SATA init registers |
| * (SIR) when SataPwrOptEnable=0. This results in link errors, "unaligned |
| * write" errors and others. Enabling this option solves these problems. |
| */ |
| params->SataPwrOptEnable = 1; |
| tconfig->SataTestMode = config->SataTestMode; |
| } |
| |
| memcpy(params->PcieRpClkReqSupport, config->PcieRpClkReqSupport, |
| sizeof(params->PcieRpClkReqSupport)); |
| memcpy(params->PcieRpClkReqNumber, config->PcieRpClkReqNumber, |
| sizeof(params->PcieRpClkReqNumber)); |
| memcpy(params->PcieRpAdvancedErrorReporting, |
| config->PcieRpAdvancedErrorReporting, |
| sizeof(params->PcieRpAdvancedErrorReporting)); |
| memcpy(params->PcieRpLtrEnable, config->PcieRpLtrEnable, |
| sizeof(params->PcieRpLtrEnable)); |
| memcpy(params->PcieRpHotPlug, config->PcieRpHotPlug, |
| sizeof(params->PcieRpHotPlug)); |
| for (i = 0; i < CONFIG_MAX_ROOT_PORTS; i++) { |
| params->PcieRpMaxPayload[i] = config->PcieRpMaxPayload[i]; |
| if (config->pcie_rp_aspm[i]) |
| params->PcieRpAspm[i] = config->pcie_rp_aspm[i] - 1; |
| if (config->pcie_rp_l1substates[i]) |
| params->PcieRpL1Substates[i] = config->pcie_rp_l1substates[i] - 1; |
| } |
| |
| /* |
| * PcieRpClkSrcNumber UPD is set to clock source number(0-6) for |
| * all the enabled PCIe root ports, invalid(0x1F) is set for |
| * disabled PCIe root ports. |
| */ |
| for (i = 0; i < CONFIG_MAX_ROOT_PORTS; i++) { |
| if (config->PcieRpClkReqSupport[i]) |
| params->PcieRpClkSrcNumber[i] = |
| config->PcieRpClkSrcNumber[i]; |
| else |
| params->PcieRpClkSrcNumber[i] = 0x1F; |
| } |
| |
| /* disable Legacy PME */ |
| memset(params->PcieRpPmSci, 0, sizeof(params->PcieRpPmSci)); |
| |
| /* Legacy 8254 timer support */ |
| params->Early8254ClockGatingEnable = !CONFIG(USE_LEGACY_8254_TIMER); |
| |
| params->EnableTcoTimer = CONFIG(USE_PM_ACPI_TIMER); |
| |
| memcpy(params->SerialIoDevMode, config->SerialIoDevMode, |
| sizeof(params->SerialIoDevMode)); |
| |
| dev = pcidev_path_on_root(PCH_DEVFN_CIO); |
| params->PchCio2Enable = dev && dev->enabled; |
| |
| dev = pcidev_path_on_root(SA_DEVFN_IMGU); |
| params->SaImguEnable = dev && dev->enabled; |
| |
| dev = pcidev_path_on_root(PCH_DEVFN_CSE_3); |
| params->Heci3Enabled = dev && dev->enabled; |
| |
| params->LogoPtr = config->LogoPtr; |
| params->LogoSize = config->LogoSize; |
| |
| params->CpuConfig.Bits.VmxEnable = CONFIG(ENABLE_VMX); |
| |
| params->PchPmWoWlanEnable = config->PchPmWoWlanEnable; |
| params->PchPmWoWlanDeepSxEnable = config->PchPmWoWlanDeepSxEnable; |
| params->PchPmLanWakeFromDeepSx = config->WakeConfigPcieWakeFromDeepSx; |
| |
| dev = pcidev_path_on_root(PCH_DEVFN_GBE); |
| params->PchLanEnable = dev && dev->enabled; |
| if (params->PchLanEnable) { |
| params->PchLanLtrEnable = config->EnableLanLtr; |
| params->PchLanK1OffEnable = config->EnableLanK1Off; |
| params->PchLanClkReqSupported = config->LanClkReqSupported; |
| params->PchLanClkReqNumber = config->LanClkReqNumber; |
| } |
| params->SsicPortEnable = config->SsicPortEnable; |
| |
| dev = pcidev_path_on_root(PCH_DEVFN_EMMC); |
| params->ScsEmmcEnabled = dev && dev->enabled; |
| params->ScsEmmcHs400Enabled = config->ScsEmmcHs400Enabled; |
| |
| dev = pcidev_path_on_root(PCH_DEVFN_SDCARD); |
| params->ScsSdCardEnabled = dev && dev->enabled; |
| |
| if (!!params->ScsEmmcHs400Enabled && !!config->EmmcHs400DllNeed) { |
| params->PchScsEmmcHs400DllDataValid = |
| !!config->EmmcHs400DllNeed; |
| params->PchScsEmmcHs400RxStrobeDll1 = |
| config->ScsEmmcHs400RxStrobeDll1; |
| params->PchScsEmmcHs400TxDataDll = |
| config->ScsEmmcHs400TxDataDll; |
| } |
| |
| /* If ISH is enabled, enable ISH elements */ |
| dev = pcidev_path_on_root(PCH_DEVFN_ISH); |
| params->PchIshEnable = dev && dev->enabled; |
| |
| dev = pcidev_path_on_root(PCH_DEVFN_HDA); |
| params->PchHdaEnable = dev && dev->enabled; |
| |
| params->PchHdaVcType = config->PchHdaVcType; |
| params->PchHdaIoBufferOwnership = config->IoBufferOwnership; |
| params->PchHdaDspEnable = config->DspEnable; |
| |
| dev = pcidev_path_on_root(SA_DEVFN_TS); |
| params->Device4Enable = dev && dev->enabled; |
| dev = pcidev_path_on_root(PCH_DEVFN_THERMAL); |
| params->PchThermalDeviceEnable = dev && dev->enabled; |
| |
| tconfig->PchLockDownGlobalSmi = config->LockDownConfigGlobalSmi; |
| tconfig->PchLockDownRtcLock = config->LockDownConfigRtcLock; |
| tconfig->PowerLimit4 = config->PowerLimit4; |
| /* |
| * To disable HECI, the Psf needs to be left unlocked |
| * by FSP till end of post sequence. Based on the devicetree |
| * setting, we set the appropriate PsfUnlock policy in FSP, |
| * do the changes and then lock it back in coreboot during finalize. |
| */ |
| tconfig->PchSbAccessUnlock = (config->HeciEnabled == 0) ? 1 : 0; |
| if (get_lockdown_config() == CHIPSET_LOCKDOWN_COREBOOT) { |
| tconfig->PchLockDownBiosInterface = 0; |
| params->PchLockDownBiosLock = 0; |
| params->PchLockDownSpiEiss = 0; |
| /* |
| * 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; |
| } |
| /* FSP should let coreboot set subsystem IDs, which are read/write-once */ |
| params->DefaultSvid = 0; |
| params->PchSubSystemVendorId = 0; |
| params->DefaultSid = 0; |
| params->PchSubSystemId = 0; |
| |
| params->PchPmWolEnableOverride = config->WakeConfigWolEnableOverride; |
| params->PchPmPcieWakeFromDeepSx = config->WakeConfigPcieWakeFromDeepSx; |
| params->PchPmDeepSxPol = config->PmConfigDeepSxPol; |
| params->PchPmSlpS0Enable = config->s0ix_enable; |
| params->PchPmSlpS3MinAssert = config->PmConfigSlpS3MinAssert; |
| params->PchPmSlpS4MinAssert = config->PmConfigSlpS4MinAssert; |
| params->PchPmSlpSusMinAssert = config->PmConfigSlpSusMinAssert; |
| params->PchPmSlpAMinAssert = config->PmConfigSlpAMinAssert; |
| params->PchPmLpcClockRun = config->PmConfigPciClockRun; |
| params->PchPmSlpStrchSusUp = config->PmConfigSlpStrchSusUp; |
| params->PchPmPwrBtnOverridePeriod = |
| config->PmConfigPwrBtnOverridePeriod; |
| params->PchPmPwrCycDur = config->PmConfigPwrCycDur; |
| |
| /* Indicate whether platform supports Voltage Margining */ |
| params->PchPmSlpS0VmEnable = config->PchPmSlpS0VmEnable; |
| |
| params->PchSirqEnable = config->serirq_mode != SERIRQ_OFF; |
| params->PchSirqMode = config->serirq_mode == SERIRQ_CONTINUOUS; |
| |
| params->CpuConfig.Bits.SkipMpInit = !CONFIG(USE_INTEL_FSP_MP_INIT); |
| |
| for (i = 0; i < ARRAY_SIZE(config->i2c_voltage); i++) |
| params->SerialIoI2cVoltage[i] = config->i2c_voltage[i]; |
| |
| for (i = 0; i < ARRAY_SIZE(config->domain_vr_config); i++) |
| fill_vr_domain_config(params, i, &config->domain_vr_config[i]); |
| |
| /* Show SPI controller if enabled in devicetree.cb */ |
| dev = pcidev_path_on_root(PCH_DEVFN_SPI); |
| params->ShowSpiController = dev && dev->enabled; |
| |
| /* 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; |
| } |
| |
| /* Enable or disable Gaussian Mixture Model in devicetree */ |
| dev = pcidev_path_on_root(SA_DEVFN_GMM); |
| params->GmmEnable = dev && dev->enabled; |
| |
| /* |
| * Send VR specific mailbox commands: |
| * 000b - no VR specific command sent |
| * 001b - VR mailbox command specifically for the MPS IMPV8 VR |
| * will be sent |
| * 010b - VR specific command sent for PS4 exit issue |
| * 100b - VR specific command sent for MPS VR decay issue |
| */ |
| params->SendVrMbxCmd1 = config->SendVrMbxCmd; |
| |
| /* |
| * Activates VR mailbox command for Intersil VR C-state issues. |
| * 0 - no mailbox command sent. |
| * 1 - VR mailbox command sent for IA/GT rails only. |
| * 2 - VR mailbox command sent for IA/GT/SA rails. |
| */ |
| params->IslVrCmd = config->IslVrCmd; |
| |
| /* Acoustic Noise Mitigation */ |
| params->AcousticNoiseMitigation = config->AcousticNoiseMitigation; |
| params->SlowSlewRateForIa = config->SlowSlewRateForIa; |
| params->SlowSlewRateForGt = config->SlowSlewRateForGt; |
| params->SlowSlewRateForSa = config->SlowSlewRateForSa; |
| params->FastPkgCRampDisableIa = config->FastPkgCRampDisableIa; |
| params->FastPkgCRampDisableGt = config->FastPkgCRampDisableGt; |
| params->FastPkgCRampDisableSa = config->FastPkgCRampDisableSa; |
| |
| /* Enable PMC XRAM read */ |
| tconfig->PchPmPmcReadDisable = config->PchPmPmcReadDisable; |
| |
| /* Enable/Disable EIST */ |
| tconfig->Eist = config->eist_enable; |
| |
| /* Set TccActivationOffset */ |
| tconfig->TccActivationOffset = config->tcc_offset; |
| |
| /* Already handled in coreboot code, so tell FSP to ignore UPDs */ |
| params->PchIoApicBdfValid = 0; |
| |
| /* Enable VT-d and X2APIC */ |
| if (!config->ignore_vtd && soc_is_vtd_capable()) { |
| params->VtdBaseAddress[0] = GFXVT_BASE_ADDRESS; |
| params->VtdBaseAddress[1] = VTVC0_BASE_ADDRESS; |
| params->X2ApicOptOut = 0; |
| tconfig->VtdDisable = 0; |
| } |
| |
| 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); |
| |
| soc_irq_settings(params); |
| } |
| |
| /* Mainboard GPIO Configuration */ |
| __weak void mainboard_silicon_init_params(FSP_S_CONFIG *params) |
| { |
| printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__); |
| } |
| |
| /* Handle FSP logo params */ |
| const struct cbmem_entry *soc_load_logo(FSPS_UPD *supd) |
| { |
| return fsp_load_logo(&supd->FspsConfig.LogoPtr, &supd->FspsConfig.LogoSize); |
| } |