src/soc/intel/skylake/chip.c - coreboot - Gitiles

 /* 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 FSP 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);
 }
	/* 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 FSP 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);
	}