/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* THC assignment definition */ #define THC_NONE 0 #define THC_0 1 #define THC_1 2 /* SATA DEVSLP idle timeout default values */ #define DEF_DMVAL 15 #define DEF_DITOVAL 625 /* VccIn Aux Imon IccMax values in mA */ #define MILLIAMPS_TO_AMPS 1000 #define ICC_MAX_TDP_45W 34250 #define ICC_MAX_TDP_15W_28W 32000 #define ICC_MAX_ID_ADL_M_MA 12000 #define ICC_MAX_ID_ADL_N_MA 27000 #define ICC_MAX_ADL_S 33000 /* * ME End of Post configuration * 0 - Disable EOP. * 1 - Send in PEI (Applicable for FSP in API mode) * 2 - Send in DXE (Not applicable for FSP in API mode) */ enum fsp_end_of_post { EOP_DISABLE = 0, EOP_PEI = 1, EOP_DXE = 2, }; static const struct slot_irq_constraints irq_constraints[] = { { .slot = SA_DEV_SLOT_CPU_1, .fns = { FIXED_INT_PIRQ(SA_DEVFN_CPU_PCIE1_0, PCI_INT_A, PIRQ_A), }, }, { .slot = SA_DEV_SLOT_IGD, .fns = { /* INTERRUPT_PIN is RO/0x01 */ FIXED_INT_ANY_PIRQ(SA_DEVFN_IGD, PCI_INT_A), }, }, { .slot = SA_DEV_SLOT_DPTF, .fns = { ANY_PIRQ(SA_DEVFN_DPTF), }, }, { .slot = SA_DEV_SLOT_IPU, .fns = { /* INTERRUPT_PIN is RO/0x01, and INTERRUPT_LINE is RW, but S0ix fails when not set to 16 (b/193434192) */ FIXED_INT_PIRQ(SA_DEVFN_IPU, PCI_INT_A, PIRQ_A), }, }, { .slot = SA_DEV_SLOT_CPU_6, .fns = { FIXED_INT_PIRQ(SA_DEVFN_CPU_PCIE6_0, PCI_INT_A, PIRQ_A), FIXED_INT_PIRQ(SA_DEVFN_CPU_PCIE6_2, PCI_INT_C, PIRQ_C), }, }, { .slot = SA_DEV_SLOT_TBT, .fns = { ANY_PIRQ(SA_DEVFN_TBT0), ANY_PIRQ(SA_DEVFN_TBT1), ANY_PIRQ(SA_DEVFN_TBT2), ANY_PIRQ(SA_DEVFN_TBT3), }, }, { .slot = SA_DEV_SLOT_GNA, .fns = { /* INTERRUPT_PIN is RO/0x01 */ FIXED_INT_ANY_PIRQ(SA_DEVFN_GNA, PCI_INT_A), }, }, { .slot = SA_DEV_SLOT_TCSS, .fns = { ANY_PIRQ(SA_DEVFN_TCSS_XHCI), ANY_PIRQ(SA_DEVFN_TCSS_XDCI), }, }, { .slot = PCH_DEV_SLOT_SIO0, .fns = { DIRECT_IRQ(PCH_DEVFN_I2C6), DIRECT_IRQ(PCH_DEVFN_I2C7), ANY_PIRQ(PCH_DEVFN_THC0), ANY_PIRQ(PCH_DEVFN_THC1), }, }, { .slot = PCH_DEV_SLOT_SIO6, .fns = { DIRECT_IRQ(PCH_DEVFN_UART3), DIRECT_IRQ(PCH_DEVFN_UART4), DIRECT_IRQ(PCH_DEVFN_UART5), DIRECT_IRQ(PCH_DEVFN_UART6), }, }, { .slot = PCH_DEV_SLOT_ISH, .fns = { DIRECT_IRQ(PCH_DEVFN_ISH), DIRECT_IRQ(PCH_DEVFN_GSPI2), ANY_PIRQ(PCH_DEVFN_UFS), }, }, { .slot = PCH_DEV_SLOT_SIO2, .fns = { DIRECT_IRQ(PCH_DEVFN_GSPI3), DIRECT_IRQ(PCH_DEVFN_GSPI4), DIRECT_IRQ(PCH_DEVFN_GSPI5), DIRECT_IRQ(PCH_DEVFN_GSPI6), }, }, { .slot = PCH_DEV_SLOT_XHCI, .fns = { ANY_PIRQ(PCH_DEVFN_XHCI), DIRECT_IRQ(PCH_DEVFN_USBOTG), ANY_PIRQ(PCH_DEVFN_CNVI_WIFI), }, }, { .slot = PCH_DEV_SLOT_SIO3, .fns = { DIRECT_IRQ(PCH_DEVFN_I2C0), DIRECT_IRQ(PCH_DEVFN_I2C1), DIRECT_IRQ(PCH_DEVFN_I2C2), DIRECT_IRQ(PCH_DEVFN_I2C3), }, }, { .slot = PCH_DEV_SLOT_CSE, .fns = { ANY_PIRQ(PCH_DEVFN_CSE), ANY_PIRQ(PCH_DEVFN_CSE_2), ANY_PIRQ(PCH_DEVFN_CSE_IDER), ANY_PIRQ(PCH_DEVFN_CSE_KT), ANY_PIRQ(PCH_DEVFN_CSE_3), ANY_PIRQ(PCH_DEVFN_CSE_4), }, }, { .slot = PCH_DEV_SLOT_SATA, .fns = { ANY_PIRQ(PCH_DEVFN_SATA), }, }, { .slot = PCH_DEV_SLOT_SIO4, .fns = { DIRECT_IRQ(PCH_DEVFN_I2C4), DIRECT_IRQ(PCH_DEVFN_I2C5), DIRECT_IRQ(PCH_DEVFN_UART2), }, }, #if CONFIG(SOC_INTEL_ALDERLAKE_PCH_N) { .slot = PCH_DEV_SLOT_EMMC, .fns = { ANY_PIRQ(PCH_DEVFN_EMMC), }, }, #endif { .slot = PCH_DEV_SLOT_PCIE, .fns = { FIXED_INT_PIRQ(PCH_DEVFN_PCIE1, PCI_INT_A, PIRQ_A), FIXED_INT_PIRQ(PCH_DEVFN_PCIE2, PCI_INT_B, PIRQ_B), FIXED_INT_PIRQ(PCH_DEVFN_PCIE3, PCI_INT_C, PIRQ_C), FIXED_INT_PIRQ(PCH_DEVFN_PCIE4, PCI_INT_D, PIRQ_D), FIXED_INT_PIRQ(PCH_DEVFN_PCIE5, PCI_INT_A, PIRQ_A), FIXED_INT_PIRQ(PCH_DEVFN_PCIE6, PCI_INT_B, PIRQ_B), FIXED_INT_PIRQ(PCH_DEVFN_PCIE7, PCI_INT_C, PIRQ_C), FIXED_INT_PIRQ(PCH_DEVFN_PCIE8, PCI_INT_D, PIRQ_D), }, }, { .slot = PCH_DEV_SLOT_PCIE_1, .fns = { FIXED_INT_PIRQ(PCH_DEVFN_PCIE9, PCI_INT_A, PIRQ_A), FIXED_INT_PIRQ(PCH_DEVFN_PCIE10, PCI_INT_B, PIRQ_B), FIXED_INT_PIRQ(PCH_DEVFN_PCIE11, PCI_INT_C, PIRQ_C), FIXED_INT_PIRQ(PCH_DEVFN_PCIE12, PCI_INT_D, PIRQ_D), }, }, { .slot = PCH_DEV_SLOT_SIO5, .fns = { /* UART0 shares an interrupt line with TSN0, so must use a PIRQ */ FIXED_INT_ANY_PIRQ(PCH_DEVFN_UART0, PCI_INT_A), /* UART1 shares an interrupt line with TSN1, so must use a PIRQ */ FIXED_INT_ANY_PIRQ(PCH_DEVFN_UART1, PCI_INT_B), DIRECT_IRQ(PCH_DEVFN_GSPI0), DIRECT_IRQ(PCH_DEVFN_GSPI1), }, }, { .slot = PCH_DEV_SLOT_ESPI, .fns = { ANY_PIRQ(PCH_DEVFN_HDA), ANY_PIRQ(PCH_DEVFN_SMBUS), ANY_PIRQ(PCH_DEVFN_GBE), /* INTERRUPT_PIN is RO/0x01 */ FIXED_INT_ANY_PIRQ(PCH_DEVFN_TRACEHUB, PCI_INT_A), }, }, }; static const struct slot_irq_constraints irq_constraints_pch_s[] = { { .slot = SA_DEV_SLOT_CPU_1, .fns = { FIXED_INT_PIRQ(SA_DEVFN_CPU_PCIE1_0, PCI_INT_A, PIRQ_A), FIXED_INT_PIRQ(SA_DEVFN_CPU_PCIE1_1, PCI_INT_B, PIRQ_B), }, }, { .slot = SA_DEV_SLOT_IGD, .fns = { /* INTERRUPT_PIN is RO/0x01 */ FIXED_INT_ANY_PIRQ(SA_DEVFN_IGD, PCI_INT_A), }, }, { .slot = SA_DEV_SLOT_DPTF, .fns = { ANY_PIRQ(SA_DEVFN_DPTF), }, }, { .slot = SA_DEV_SLOT_CPU_6, .fns = { FIXED_INT_PIRQ(SA_DEVFN_CPU_PCIE6_0, PCI_INT_D, PIRQ_A), }, }, { .slot = SA_DEV_SLOT_GNA, .fns = { /* INTERRUPT_PIN is RO/0x01 */ FIXED_INT_ANY_PIRQ(SA_DEVFN_GNA, PCI_INT_A), }, }, { .slot = PCH_DEV_SLOT_SIO6, .fns = { DIRECT_IRQ(PCH_DEVFN_UART3), }, }, { .slot = PCH_DEV_SLOT_ISH, .fns = { DIRECT_IRQ(PCH_DEVFN_ISH), DIRECT_IRQ(PCH_DEVFN_GSPI2), }, }, { .slot = PCH_DEV_SLOT_SIO2, .fns = { DIRECT_IRQ(PCH_DEVFN_GSPI3), }, }, { .slot = PCH_DEV_SLOT_XHCI, .fns = { ANY_PIRQ(PCH_DEVFN_XHCI), DIRECT_IRQ(PCH_DEVFN_USBOTG), ANY_PIRQ(PCH_DEVFN_CNVI_WIFI), }, }, { .slot = PCH_DEV_SLOT_SIO3, .fns = { DIRECT_IRQ(PCH_DEVFN_I2C0), DIRECT_IRQ(PCH_DEVFN_I2C1), DIRECT_IRQ(PCH_DEVFN_I2C2), DIRECT_IRQ(PCH_DEVFN_I2C3), }, }, { .slot = PCH_DEV_SLOT_CSE, .fns = { ANY_PIRQ(PCH_DEVFN_CSE), ANY_PIRQ(PCH_DEVFN_CSE_2), ANY_PIRQ(PCH_DEVFN_CSE_IDER), ANY_PIRQ(PCH_DEVFN_CSE_KT), ANY_PIRQ(PCH_DEVFN_CSE_3), ANY_PIRQ(PCH_DEVFN_CSE_4), }, }, { .slot = PCH_DEV_SLOT_SATA, .fns = { ANY_PIRQ(PCH_DEVFN_SATA), }, }, { .slot = PCH_DEV_SLOT_SIO4, .fns = { DIRECT_IRQ(PCH_DEVFN_I2C4), DIRECT_IRQ(PCH_DEVFN_I2C5), DIRECT_IRQ(PCH_DEVFN_UART2), }, }, { .slot = PCH_DEV_SLOT_PCIE, .fns = { FIXED_INT_PIRQ(PCH_DEVFN_PCIE1, PCI_INT_A, PIRQ_A), FIXED_INT_PIRQ(PCH_DEVFN_PCIE2, PCI_INT_B, PIRQ_B), FIXED_INT_PIRQ(PCH_DEVFN_PCIE3, PCI_INT_C, PIRQ_C), FIXED_INT_PIRQ(PCH_DEVFN_PCIE4, PCI_INT_D, PIRQ_D), FIXED_INT_PIRQ(PCH_DEVFN_PCIE5, PCI_INT_A, PIRQ_A), FIXED_INT_PIRQ(PCH_DEVFN_PCIE6, PCI_INT_B, PIRQ_B), FIXED_INT_PIRQ(PCH_DEVFN_PCIE7, PCI_INT_C, PIRQ_C), FIXED_INT_PIRQ(PCH_DEVFN_PCIE8, PCI_INT_D, PIRQ_D), }, }, { .slot = PCH_DEV_SLOT_PCIE_1, .fns = { FIXED_INT_PIRQ(PCH_DEVFN_PCIE9, PCI_INT_A, PIRQ_A), FIXED_INT_PIRQ(PCH_DEVFN_PCIE10, PCI_INT_B, PIRQ_B), FIXED_INT_PIRQ(PCH_DEVFN_PCIE11, PCI_INT_C, PIRQ_C), FIXED_INT_PIRQ(PCH_DEVFN_PCIE12, PCI_INT_D, PIRQ_D), FIXED_INT_PIRQ(PCH_DEVFN_PCIE13, PCI_INT_A, PIRQ_A), FIXED_INT_PIRQ(PCH_DEVFN_PCIE14, PCI_INT_B, PIRQ_B), FIXED_INT_PIRQ(PCH_DEVFN_PCIE15, PCI_INT_C, PIRQ_C), FIXED_INT_PIRQ(PCH_DEVFN_PCIE16, PCI_INT_D, PIRQ_D), }, }, { .slot = PCH_DEV_SLOT_PCIE_2, .fns = { FIXED_INT_PIRQ(PCH_DEVFN_PCIE17, PCI_INT_A, PIRQ_A), FIXED_INT_PIRQ(PCH_DEVFN_PCIE18, PCI_INT_B, PIRQ_B), FIXED_INT_PIRQ(PCH_DEVFN_PCIE19, PCI_INT_C, PIRQ_C), FIXED_INT_PIRQ(PCH_DEVFN_PCIE20, PCI_INT_D, PIRQ_D), FIXED_INT_PIRQ(PCH_DEVFN_PCIE21, PCI_INT_A, PIRQ_A), FIXED_INT_PIRQ(PCH_DEVFN_PCIE22, PCI_INT_B, PIRQ_B), FIXED_INT_PIRQ(PCH_DEVFN_PCIE23, PCI_INT_C, PIRQ_C), FIXED_INT_PIRQ(PCH_DEVFN_PCIE24, PCI_INT_D, PIRQ_D), }, }, { .slot = PCH_DEV_SLOT_PCIE_3, .fns = { FIXED_INT_PIRQ(PCH_DEVFN_PCIE25, PCI_INT_A, PIRQ_A), FIXED_INT_PIRQ(PCH_DEVFN_PCIE26, PCI_INT_B, PIRQ_B), FIXED_INT_PIRQ(PCH_DEVFN_PCIE27, PCI_INT_C, PIRQ_C), FIXED_INT_PIRQ(PCH_DEVFN_PCIE28, PCI_INT_D, PIRQ_D), }, }, { .slot = PCH_DEV_SLOT_SIO5, .fns = { /* UART0 shares an interrupt line with TSN0, so must use a PIRQ */ FIXED_INT_ANY_PIRQ(PCH_DEVFN_UART0, PCI_INT_A), /* UART1 shares an interrupt line with TSN1, so must use a PIRQ */ FIXED_INT_ANY_PIRQ(PCH_DEVFN_UART1, PCI_INT_B), DIRECT_IRQ(PCH_DEVFN_GSPI0), DIRECT_IRQ(PCH_DEVFN_GSPI1), }, }, { .slot = PCH_DEV_SLOT_ESPI, .fns = { ANY_PIRQ(PCH_DEVFN_HDA), ANY_PIRQ(PCH_DEVFN_SMBUS), ANY_PIRQ(PCH_DEVFN_GBE), /* INTERRUPT_PIN is RO/0x01 */ FIXED_INT_ANY_PIRQ(PCH_DEVFN_TRACEHUB, PCI_INT_A), }, }, }; static const SI_PCH_DEVICE_INTERRUPT_CONFIG *pci_irq_to_fsp(size_t *out_count) { const struct pci_irq_entry *entry = get_cached_pci_irqs(); SI_PCH_DEVICE_INTERRUPT_CONFIG *config; size_t pch_total = 0; size_t cfg_count = 0; if (!entry) return NULL; /* Count PCH devices */ while (entry) { if (PCI_SLOT(entry->devfn) >= MIN_PCH_SLOT) ++pch_total; entry = entry->next; } /* Convert PCH device entries to FSP format */ config = calloc(pch_total, sizeof(*config)); entry = get_cached_pci_irqs(); while (entry) { if (PCI_SLOT(entry->devfn) < MIN_PCH_SLOT) { entry = entry->next; continue; } config[cfg_count].Device = PCI_SLOT(entry->devfn); config[cfg_count].Function = PCI_FUNC(entry->devfn); config[cfg_count].IntX = (SI_PCH_INT_PIN)entry->pin; config[cfg_count].Irq = entry->irq; ++cfg_count; entry = entry->next; } *out_count = cfg_count; return config; } /* * 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; } /* * Chip config parameter pcie_rp_aspm uses (UPD value + 1) because * a UPD value of 0 for pcie_rp_aspm means disabled. In order to ensure * that the mainboard setting does not disable ASPM incorrectly, chip * config parameter values are offset by 1 with 0 meaning use FSP UPD default. * get_aspm_control() ensures that the right UPD value is set in fsp_params. * 0: Use FSP UPD default * 1: Disable ASPM * 2: L0s only * 3: L1 only * 4: L0s and L1 * 5: Auto configuration */ static unsigned int get_aspm_control(enum ASPM_control ctl) { if ((ctl > ASPM_AUTO) || (ctl == ASPM_DEFAULT)) ctl = ASPM_AUTO; return ctl - 1; } /* This function returns the VccIn Aux Imon IccMax values for ADL and RPL SKU's */ static uint16_t get_vccin_aux_imon_iccmax(void) { struct device *dev = pcidev_path_on_root(SA_DEVFN_ROOT); uint16_t mch_id = dev ? pci_read_config16(dev, PCI_DEVICE_ID) : 0xffff; uint8_t tdp; switch (mch_id) { case PCI_DID_INTEL_ADL_P_ID_1: case PCI_DID_INTEL_ADL_P_ID_3: case PCI_DID_INTEL_ADL_P_ID_4: case PCI_DID_INTEL_ADL_P_ID_5: case PCI_DID_INTEL_ADL_P_ID_6: case PCI_DID_INTEL_ADL_P_ID_7: case PCI_DID_INTEL_ADL_P_ID_8: case PCI_DID_INTEL_ADL_P_ID_9: case PCI_DID_INTEL_ADL_P_ID_10: case PCI_DID_INTEL_RPL_P_ID_1: case PCI_DID_INTEL_RPL_P_ID_2: case PCI_DID_INTEL_RPL_P_ID_3: tdp = get_cpu_tdp(); if (tdp == TDP_45W) return ICC_MAX_TDP_45W; return ICC_MAX_TDP_15W_28W; case PCI_DID_INTEL_ADL_M_ID_1: case PCI_DID_INTEL_ADL_M_ID_2: return ICC_MAX_ID_ADL_M_MA; case PCI_DID_INTEL_ADL_N_ID_1: case PCI_DID_INTEL_ADL_N_ID_2: case PCI_DID_INTEL_ADL_N_ID_3: case PCI_DID_INTEL_ADL_N_ID_4: return ICC_MAX_ID_ADL_N_MA; case PCI_DID_INTEL_ADL_S_ID_1: case PCI_DID_INTEL_ADL_S_ID_3: case PCI_DID_INTEL_ADL_S_ID_8: case PCI_DID_INTEL_ADL_S_ID_10: case PCI_DID_INTEL_ADL_S_ID_11: case PCI_DID_INTEL_ADL_S_ID_12: return ICC_MAX_ADL_S; default: printk(BIOS_ERR, "Unknown MCH ID: 0x%4x, skipping VccInAuxImonIccMax config\n", mch_id); return 0; } } __weak void mainboard_update_soc_chip_config(struct soc_intel_alderlake_config *config) { /* Override settings per board. */ } static void fill_fsps_lpss_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { for (int i = 0; i < CONFIG_SOC_INTEL_I2C_DEV_MAX; i++) s_cfg->SerialIoI2cMode[i] = config->serial_io_i2c_mode[i]; for (int i = 0; i < CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX; i++) { s_cfg->SerialIoSpiMode[i] = config->serial_io_gspi_mode[i]; s_cfg->SerialIoSpiCsMode[i] = config->serial_io_gspi_cs_mode[i]; s_cfg->SerialIoSpiCsState[i] = config->serial_io_gspi_cs_state[i]; } for (int i = 0; i < CONFIG_SOC_INTEL_UART_DEV_MAX; i++) s_cfg->SerialIoUartMode[i] = config->serial_io_uart_mode[i]; } static void fill_fsps_microcode_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { const struct microcode *microcode_file; size_t microcode_len; /* Locate microcode and pass to FSP-S for 2nd microcode loading */ microcode_file = intel_microcode_find(); if (microcode_file != NULL) { microcode_len = get_microcode_size(microcode_file); if (microcode_len != 0) { /* Update CPU Microcode patch base address/size */ s_cfg->MicrocodeRegionBase = (uint32_t)(uintptr_t)microcode_file; s_cfg->MicrocodeRegionSize = (uint32_t)microcode_len; } } } static void fill_fsps_cpu_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { if (CONFIG(USE_FSP_MP_INIT)) { /* * Fill `2nd microcode loading FSP UPD` if FSP is running CPU feature * programming. */ fill_fsps_microcode_params(s_cfg, config); /* * Use FSP running MP PPI services to perform CPU feature programming * if Kconfig is enabled */ s_cfg->CpuMpPpi = (uintptr_t) mp_fill_ppi_services_data(); } else { /* Use coreboot native driver to perform MP init by default */ s_cfg->CpuMpPpi = (uintptr_t)NULL; s_cfg->SkipMpInit = !CONFIG(USE_INTEL_FSP_MP_INIT); } } static void fill_fsps_igd_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { /* Load VBT before devicetree-specific config. */ s_cfg->GraphicsConfigPtr = (uintptr_t)vbt_get(); /* Check if IGD is present and fill Graphics init param accordingly */ s_cfg->PeiGraphicsPeimInit = CONFIG(RUN_FSP_GOP) && is_devfn_enabled(SA_DEVFN_IGD); s_cfg->LidStatus = CONFIG(RUN_FSP_GOP); s_cfg->PavpEnable = CONFIG(PAVP); } WEAK_DEV_PTR(tcss_usb3_port1); WEAK_DEV_PTR(tcss_usb3_port2); WEAK_DEV_PTR(tcss_usb3_port3); WEAK_DEV_PTR(tcss_usb3_port4); static void fill_fsps_tcss_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { const struct device *tcss_port_arr[] = { DEV_PTR(tcss_usb3_port1), DEV_PTR(tcss_usb3_port2), DEV_PTR(tcss_usb3_port3), DEV_PTR(tcss_usb3_port4), }; s_cfg->TcssAuxOri = config->tcss_aux_ori; /* Explicitly clear this field to avoid using defaults */ memset(s_cfg->IomTypeCPortPadCfg, 0, sizeof(s_cfg->IomTypeCPortPadCfg)); /* * Set FSPS UPD ITbtConnectTopologyTimeoutInMs with value 0. FSP will * evaluate this UPD value and skip sending command. There will be no * delay for command completion. */ s_cfg->ITbtConnectTopologyTimeoutInMs = 0; /* D3Hot and D3Cold for TCSS */ s_cfg->D3HotEnable = !config->tcss_d3_hot_disable; s_cfg->D3ColdEnable = !config->tcss_d3_cold_disable; s_cfg->UsbTcPortEn = 0; for (int i = 0; i < MAX_TYPE_C_PORTS; i++) { if (is_dev_enabled(tcss_port_arr[i])) s_cfg->UsbTcPortEn |= BIT(i); } } static void fill_fsps_chipset_lockdown_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { /* Chipset Lockdown */ const bool lockdown_by_fsp = get_lockdown_config() == CHIPSET_LOCKDOWN_FSP; s_cfg->PchLockDownGlobalSmi = lockdown_by_fsp; s_cfg->PchLockDownBiosInterface = lockdown_by_fsp; s_cfg->PchUnlockGpioPads = lockdown_by_fsp; s_cfg->RtcMemoryLock = lockdown_by_fsp; s_cfg->SkipPamLock = !lockdown_by_fsp; /* coreboot will send EOP before loading payload */ s_cfg->EndOfPostMessage = EOP_DISABLE; } static void fill_fsps_xhci_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { int i; /* USB */ for (i = 0; i < ARRAY_SIZE(config->usb2_ports); i++) { s_cfg->PortUsb20Enable[i] = config->usb2_ports[i].enable; s_cfg->Usb2PhyPetxiset[i] = config->usb2_ports[i].pre_emp_bias; s_cfg->Usb2PhyTxiset[i] = config->usb2_ports[i].tx_bias; s_cfg->Usb2PhyPredeemp[i] = config->usb2_ports[i].tx_emp_enable; s_cfg->Usb2PhyPehalfbit[i] = config->usb2_ports[i].pre_emp_bit; if (config->usb2_ports[i].enable) s_cfg->Usb2OverCurrentPin[i] = config->usb2_ports[i].ocpin; else s_cfg->Usb2OverCurrentPin[i] = OC_SKIP; if (config->usb2_ports[i].type_c) s_cfg->PortResetMessageEnable[i] = 1; } for (i = 0; i < ARRAY_SIZE(config->usb3_ports); i++) { s_cfg->PortUsb30Enable[i] = config->usb3_ports[i].enable; if (config->usb3_ports[i].enable) s_cfg->Usb3OverCurrentPin[i] = config->usb3_ports[i].ocpin; else s_cfg->Usb3OverCurrentPin[i] = OC_SKIP; if (config->usb3_ports[i].tx_de_emp) { s_cfg->Usb3HsioTxDeEmphEnable[i] = 1; s_cfg->Usb3HsioTxDeEmph[i] = config->usb3_ports[i].tx_de_emp; } if (config->usb3_ports[i].tx_downscale_amp) { s_cfg->Usb3HsioTxDownscaleAmpEnable[i] = 1; s_cfg->Usb3HsioTxDownscaleAmp[i] = config->usb3_ports[i].tx_downscale_amp; } } for (i = 0; i < ARRAY_SIZE(config->tcss_ports); i++) { if (config->tcss_ports[i].enable) s_cfg->CpuUsb3OverCurrentPin[i] = config->tcss_ports[i].ocpin; } s_cfg->PmcUsb2PhySusPgEnable = !config->usb2_phy_sus_pg_disable; } static void fill_fsps_xdci_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { s_cfg->XdciEnable = xdci_can_enable(PCH_DEVFN_USBOTG); } static void fill_fsps_uart_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { if (CONFIG(FSP_USES_CB_DEBUG_EVENT_HANDLER) && CONFIG(CONSOLE_SERIAL) && CONFIG(FSP_ENABLE_SERIAL_DEBUG)) s_cfg->FspEventHandler = (UINT32)((FSP_EVENT_HANDLER *) fsp_debug_event_handler); /* PCH UART selection for FSP Debug */ s_cfg->SerialIoDebugUartNumber = CONFIG_UART_FOR_CONSOLE; ASSERT(ARRAY_SIZE(s_cfg->SerialIoUartAutoFlow) > CONFIG_UART_FOR_CONSOLE); s_cfg->SerialIoUartAutoFlow[CONFIG_UART_FOR_CONSOLE] = 0; } static void fill_fsps_sata_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { /* SATA */ s_cfg->SataEnable = is_devfn_enabled(PCH_DEVFN_SATA); if (s_cfg->SataEnable) { s_cfg->SataMode = config->sata_mode; s_cfg->SataSalpSupport = config->sata_salp_support; memcpy(s_cfg->SataPortsEnable, config->sata_ports_enable, sizeof(s_cfg->SataPortsEnable)); memcpy(s_cfg->SataPortsDevSlp, config->sata_ports_dev_slp, sizeof(s_cfg->SataPortsDevSlp)); } /* * Power Optimizer for SATA. * SataPwrOptimizeDisable is default to 0. * Boards not needing the optimizers explicitly disables them by setting * these disable variables to 1 in devicetree overrides. */ s_cfg->SataPwrOptEnable = !(config->sata_pwr_optimize_disable); /* * Enable DEVSLP Idle Timeout settings DmVal and DitoVal. * SataPortsDmVal is the DITO multiplier. Default is 15. * SataPortsDitoVal is the DEVSLP Idle Timeout (DITO), Default is 625ms. * The default values can be changed from devicetree. */ for (size_t i = 0; i < ARRAY_SIZE(config->sata_ports_enable_dito_config); i++) { if (config->sata_ports_enable_dito_config[i]) { s_cfg->SataPortsDmVal[i] = config->sata_ports_dm_val[i]; s_cfg->SataPortsDitoVal[i] = config->sata_ports_dito_val[i]; } } } static void fill_fsps_thermal_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { /* Enable TCPU for processor thermal control */ s_cfg->Device4Enable = is_devfn_enabled(SA_DEVFN_DPTF); /* Set TccActivationOffset */ s_cfg->TccActivationOffset = config->tcc_offset; } static void fill_fsps_lan_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { /* LAN */ s_cfg->PchLanEnable = is_devfn_enabled(PCH_DEVFN_GBE); } static void fill_fsps_cnvi_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { /* CNVi */ #if CONFIG(SOC_INTEL_ALDERLAKE_PCH_P) || CONFIG(SOC_INTEL_ALDERLAKE_PCH_S) #if !CONFIG(SOC_INTEL_RAPTORLAKE) /* This option is only available in public FSP headers of ADL-P and ADL-S */ s_cfg->CnviWifiCore = is_devfn_enabled(PCH_DEVFN_CNVI_WIFI); #endif #endif s_cfg->CnviMode = is_devfn_enabled(PCH_DEVFN_CNVI_WIFI); s_cfg->CnviBtCore = config->cnvi_bt_core; s_cfg->CnviBtAudioOffload = config->cnvi_bt_audio_offload; /* Assert if CNVi BT is enabled without CNVi being enabled. */ assert(s_cfg->CnviMode || !s_cfg->CnviBtCore); /* Assert if CNVi BT offload is enabled without CNVi BT being enabled. */ assert(s_cfg->CnviBtCore || !s_cfg->CnviBtAudioOffload); } static void fill_fsps_vmd_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { /* VMD */ s_cfg->VmdEnable = is_devfn_enabled(SA_DEVFN_VMD); } static void fill_fsps_thc_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { /* THC */ s_cfg->ThcPort0Assignment = is_devfn_enabled(PCH_DEVFN_THC0) ? THC_0 : THC_NONE; s_cfg->ThcPort1Assignment = is_devfn_enabled(PCH_DEVFN_THC1) ? THC_1 : THC_NONE; } static void fill_fsps_tbt_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { /* USB4/TBT */ for (int i = 0; i < ARRAY_SIZE(s_cfg->ITbtPcieRootPortEn); i++) s_cfg->ITbtPcieRootPortEn[i] = is_devfn_enabled(SA_DEVFN_TBT(i)); } static void fill_fsps_8254_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { /* Legacy 8254 timer support */ bool use_8254 = get_uint_option("legacy_8254_timer", CONFIG(USE_LEGACY_8254_TIMER)); s_cfg->Enable8254ClockGating = !use_8254; s_cfg->Enable8254ClockGatingOnS3 = !use_8254; } static void fill_fsps_pm_timer_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { /* * 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! */ s_cfg->EnableTcoTimer = 1; } static void fill_fsps_storage_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { #if CONFIG(SOC_INTEL_ALDERLAKE_PCH_N) /* eMMC Configuration */ s_cfg->ScsEmmcEnabled = is_devfn_enabled(PCH_DEVFN_EMMC); if (s_cfg->ScsEmmcEnabled) s_cfg->ScsEmmcHs400Enabled = config->emmc_enable_hs400_mode; #endif /* UFS Configuration */ s_cfg->UfsEnable[0] = 0; /* UFS Controller 0 is fuse disabled */ s_cfg->UfsEnable[1] = is_devfn_enabled(PCH_DEVFN_UFS); /* Enable Hybrid storage auto detection */ s_cfg->HybridStorageMode = config->hybrid_storage_mode; } static void fill_fsps_pcie_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { uint32_t enable_mask = pcie_rp_enable_mask(get_pch_pcie_rp_table()); for (int i = 0; i < CONFIG_MAX_PCH_ROOT_PORTS; i++) { if (!(enable_mask & BIT(i))) continue; const struct pcie_rp_config *rp_cfg = &config->pch_pcie_rp[i]; s_cfg->PcieRpL1Substates[i] = get_l1_substate_control(rp_cfg->PcieRpL1Substates); s_cfg->PcieRpLtrEnable[i] = !!(rp_cfg->flags & PCIE_RP_LTR); s_cfg->PcieRpAdvancedErrorReporting[i] = !!(rp_cfg->flags & PCIE_RP_AER); s_cfg->PcieRpHotPlug[i] = !!(rp_cfg->flags & PCIE_RP_HOTPLUG) || CONFIG(SOC_INTEL_COMPLIANCE_TEST_MODE); s_cfg->PcieRpClkReqDetect[i] = !!(rp_cfg->flags & PCIE_RP_CLK_REQ_DETECT); if (rp_cfg->pcie_rp_aspm) s_cfg->PcieRpAspm[i] = get_aspm_control(rp_cfg->pcie_rp_aspm); /* PcieRpSlotImplemented default to 1 (slot implemented) in FSP; 0: built-in */ if (!!(rp_cfg->flags & PCIE_RP_BUILT_IN)) s_cfg->PcieRpSlotImplemented[i] = 0; s_cfg->PcieRpDetectTimeoutMs[i] = rp_cfg->pcie_rp_detect_timeout_ms; } s_cfg->PcieComplianceTestMode = CONFIG(SOC_INTEL_COMPLIANCE_TEST_MODE); } static void fill_fsps_cpu_pcie_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { if (!CONFIG_MAX_CPU_ROOT_PORTS) return; const uint32_t enable_mask = pcie_rp_enable_mask(get_cpu_pcie_rp_table()); for (int i = 0; i < CONFIG_MAX_CPU_ROOT_PORTS; i++) { if (!(enable_mask & BIT(i))) continue; const struct pcie_rp_config *rp_cfg = &config->cpu_pcie_rp[i]; s_cfg->CpuPcieRpL1Substates[i] = get_l1_substate_control(rp_cfg->PcieRpL1Substates); s_cfg->CpuPcieRpLtrEnable[i] = !!(rp_cfg->flags & PCIE_RP_LTR); s_cfg->CpuPcieRpAdvancedErrorReporting[i] = !!(rp_cfg->flags & PCIE_RP_AER); s_cfg->CpuPcieRpHotPlug[i] = !!(rp_cfg->flags & PCIE_RP_HOTPLUG) || CONFIG(SOC_INTEL_COMPLIANCE_TEST_MODE); s_cfg->CpuPcieRpDetectTimeoutMs[i] = rp_cfg->pcie_rp_detect_timeout_ms; s_cfg->PtmEnabled[i] = 0; if (rp_cfg->pcie_rp_aspm) s_cfg->CpuPcieRpAspm[i] = get_aspm_control(rp_cfg->pcie_rp_aspm); if (!!(rp_cfg->flags & PCIE_RP_BUILT_IN)) s_cfg->CpuPcieRpSlotImplemented[i] = 0; } s_cfg->CpuPcieComplianceTestMode = CONFIG(SOC_INTEL_COMPLIANCE_TEST_MODE); } static void fill_fsps_misc_power_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { /* Skip setting D0I3 bit for all HECI devices */ s_cfg->DisableD0I3SettingForHeci = 1; /* * Power Optimizer for DMI * DmiPwrOptimizeDisable is default to 0. * Boards not needing the optimizers explicitly disables them by setting * these disable variables to 1 in devicetree overrides. */ s_cfg->PchPwrOptEnable = !(config->dmi_power_optimize_disable); s_cfg->PmSupport = 1; s_cfg->Hwp = 1; s_cfg->Cx = 1; s_cfg->PsOnEnable = 1; s_cfg->PkgCStateLimit = LIMIT_AUTO; /* VccIn Aux Imon IccMax. Values are in 1/4 Amp increments and range is 0-512. */ s_cfg->VccInAuxImonIccImax = get_vccin_aux_imon_iccmax() * 4 / MILLIAMPS_TO_AMPS; /* VrConfig Settings for IA and GT domains */ for (size_t i = 0; i < ARRAY_SIZE(config->domain_vr_config); i++) fill_vr_domain_config(s_cfg, i, &config->domain_vr_config[i]); s_cfg->PmcLpmS0ixSubStateEnableMask = get_supported_lpm_mask(); /* Apply minimum assertion width settings */ if (config->pch_slp_s3_min_assertion_width == SLP_S3_ASSERTION_DEFAULT) s_cfg->PchPmSlpS3MinAssert = SLP_S3_ASSERTION_50_MS; else s_cfg->PchPmSlpS3MinAssert = config->pch_slp_s3_min_assertion_width; if (config->pch_slp_s4_min_assertion_width == SLP_S4_ASSERTION_DEFAULT) s_cfg->PchPmSlpS4MinAssert = SLP_S4_ASSERTION_1S; else s_cfg->PchPmSlpS4MinAssert = config->pch_slp_s4_min_assertion_width; if (config->pch_slp_sus_min_assertion_width == SLP_SUS_ASSERTION_DEFAULT) s_cfg->PchPmSlpSusMinAssert = SLP_SUS_ASSERTION_4_S; else s_cfg->PchPmSlpSusMinAssert = config->pch_slp_sus_min_assertion_width; if (config->pch_slp_a_min_assertion_width == SLP_A_ASSERTION_DEFAULT) s_cfg->PchPmSlpAMinAssert = SLP_A_ASSERTION_2_S; else s_cfg->PchPmSlpAMinAssert = config->pch_slp_a_min_assertion_width; unsigned int power_cycle_duration = config->pch_reset_power_cycle_duration; if (power_cycle_duration == POWER_CYCLE_DURATION_DEFAULT) power_cycle_duration = POWER_CYCLE_DURATION_4S; s_cfg->PchPmPwrCycDur = get_pm_pwr_cyc_dur(s_cfg->PchPmSlpS4MinAssert, s_cfg->PchPmSlpS3MinAssert, s_cfg->PchPmSlpAMinAssert, power_cycle_duration); /* Set PsysPmax if it is available from DT */ if (config->platform_pmax) { printk(BIOS_DEBUG, "PsysPmax = %dW\n", config->platform_pmax); /* PsysPmax is in unit of 1/8 Watt */ s_cfg->PsysPmax = config->platform_pmax * 8; } s_cfg->C1StateAutoDemotion = !config->disable_c1_state_auto_demotion; s_cfg->VrPowerDeliveryDesign = config->vr_power_delivery_design; s_cfg->PkgCStateDemotion = !config->disable_package_c_state_demotion; } static void fill_fsps_irq_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { const struct slot_irq_constraints *constraints; size_t num_slots; if (CONFIG(SOC_INTEL_ALDERLAKE_PCH_S)) { constraints = irq_constraints_pch_s; num_slots = ARRAY_SIZE(irq_constraints_pch_s); } else { constraints = irq_constraints; num_slots = ARRAY_SIZE(irq_constraints); } if (!assign_pci_irqs(constraints, num_slots)) die("ERROR: Unable to assign PCI IRQs, and no _PRT table available\n"); size_t pch_count = 0; const SI_PCH_DEVICE_INTERRUPT_CONFIG *upd_irqs = pci_irq_to_fsp(&pch_count); s_cfg->DevIntConfigPtr = (UINT32)((uintptr_t)upd_irqs); s_cfg->NumOfDevIntConfig = pch_count; printk(BIOS_INFO, "IRQ: Using dynamically assigned PCI IO-APIC IRQs\n"); } static void fill_fsps_fivr_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { /* PCH FIVR settings override */ if (!config->ext_fivr_settings.configure_ext_fivr) return; s_cfg->PchFivrExtV1p05RailEnabledStates = config->ext_fivr_settings.v1p05_enable_bitmap; s_cfg->PchFivrExtV1p05RailSupportedVoltageStates = config->ext_fivr_settings.v1p05_supported_voltage_bitmap; s_cfg->PchFivrExtVnnRailEnabledStates = config->ext_fivr_settings.vnn_enable_bitmap; s_cfg->PchFivrExtVnnRailSupportedVoltageStates = config->ext_fivr_settings.vnn_supported_voltage_bitmap; s_cfg->PchFivrExtVnnRailSxEnabledStates = config->ext_fivr_settings.vnn_sx_enable_bitmap; /* Convert the voltages to increments of 2.5mv */ s_cfg->PchFivrExtV1p05RailVoltage = (config->ext_fivr_settings.v1p05_voltage_mv * 10) / 25; s_cfg->PchFivrExtVnnRailVoltage = (config->ext_fivr_settings.vnn_voltage_mv * 10) / 25; s_cfg->PchFivrExtVnnRailSxVoltage = (config->ext_fivr_settings.vnn_sx_voltage_mv * 10 / 25); s_cfg->PchFivrExtV1p05RailIccMaximum = config->ext_fivr_settings.v1p05_icc_max_ma; s_cfg->PchFivrExtVnnRailIccMaximum = config->ext_fivr_settings.vnn_icc_max_ma; } static void fill_fsps_fivr_rfi_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { /* transform from Hz to 100 KHz */ s_cfg->FivrRfiFrequency = config->fivr_rfi_frequency / (100 * KHz); s_cfg->FivrSpreadSpectrum = config->fivr_spread_spectrum; } static void fill_fsps_acoustic_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { s_cfg->AcousticNoiseMitigation = config->acoustic_noise_mitigation; if (s_cfg->AcousticNoiseMitigation) { s_cfg->PreWake = config->PreWake; for (int i = 0; i < NUM_VR_DOMAINS; i++) { s_cfg->FastPkgCRampDisable[i] = config->fast_pkg_c_ramp_disable[i]; s_cfg->SlowSlewRate[i] = config->slow_slew_rate[i]; } } } static void fill_fsps_pci_ssid_params(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) { struct device *dev; int i; /* * 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; } } s_cfg->SiSsidTablePtr = (uintptr_t)ssid_table; s_cfg->SiNumberOfSsidTableEntry = ARRAY_SIZE(ssid_table); /* * Replace the default SVID:SSID value with the values specified in * the devicetree for the root device. */ dev = pcidev_path_on_root(SA_DEVFN_ROOT); s_cfg->SiCustomizedSvid = dev->subsystem_vendor; s_cfg->SiCustomizedSsid = dev->subsystem_device; /* Ensure FSP will program the registers */ s_cfg->SiSkipSsidProgramming = 0; } static void soc_silicon_init_params(FSP_S_CONFIG *s_cfg, struct soc_intel_alderlake_config *config) { /* Override settings per board if required. */ mainboard_update_soc_chip_config(config); void (*const fill_fsps_params[])(FSP_S_CONFIG *s_cfg, const struct soc_intel_alderlake_config *config) = { fill_fsps_lpss_params, fill_fsps_cpu_params, fill_fsps_igd_params, fill_fsps_tcss_params, fill_fsps_chipset_lockdown_params, fill_fsps_xhci_params, fill_fsps_xdci_params, fill_fsps_uart_params, fill_fsps_sata_params, fill_fsps_thermal_params, fill_fsps_lan_params, fill_fsps_cnvi_params, fill_fsps_vmd_params, fill_fsps_thc_params, fill_fsps_tbt_params, fill_fsps_8254_params, fill_fsps_pm_timer_params, fill_fsps_storage_params, fill_fsps_pcie_params, fill_fsps_cpu_pcie_params, fill_fsps_misc_power_params, fill_fsps_irq_params, fill_fsps_fivr_params, fill_fsps_fivr_rfi_params, fill_fsps_acoustic_params, fill_fsps_pci_ssid_params, }; for (size_t i = 0; i < ARRAY_SIZE(fill_fsps_params); i++) fill_fsps_params[i](s_cfg, config); } /* UPD parameters to be initialized before SiliconInit */ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) { struct soc_intel_alderlake_config *config; FSP_S_CONFIG *s_cfg = &supd->FspsConfig; config = config_of_soc(); soc_silicon_init_params(s_cfg, config); mainboard_silicon_init_params(s_cfg); } /* * Callbacks for SoC/Mainboard specific overrides for FspMultiPhaseSiInit * This platform supports below MultiPhaseSIInit Phase(s): * Phase | FSP return point | Purpose * ------- + ------------------------------------------------ + ------------------------------- * 1 | After TCSS initialization completed | for TCSS specific init * 2 | Before BIOS Reset CPL is set by FSP-S | for CPU specific init */ void platform_fsp_multi_phase_init_cb(uint32_t phase_index) { switch (phase_index) { case 1: /* TCSS specific initialization here */ printk(BIOS_DEBUG, "FSP MultiPhaseSiInit %s/%s called\n", __FILE__, __func__); if (CONFIG(SOC_INTEL_COMMON_BLOCK_TCSS)) { const config_t *config = config_of_soc(); tcss_configure(config->typec_aux_bias_pads); } break; case 2: /* CPU specific initialization here */ printk(BIOS_DEBUG, "FSP MultiPhaseSiInit %s/%s called\n", __FILE__, __func__); before_post_cpus_init(); /* Enable BIOS Reset CPL */ enable_bios_reset_cpl(); break; default: break; } } /* Mainboard GPIO Configuration */ __weak void mainboard_silicon_init_params(FSP_S_CONFIG *s_cfg) { printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__); }