39 files changed, 4761 insertions, 0 deletions

diff --git a/src/soc/intel/tigerlake/Kconfig b/src/soc/intel/tigerlake/Kconfig
new file mode 100644
index 0000000000..014606b882
--- /dev/null
+++ b/src/soc/intel/tigerlake/Kconfig
@@ -0,0 +1,213 @@
+config SOC_INTEL_TIGERLAKE
+	bool
+	help
+	  Intel Tigerlake support
+
+if SOC_INTEL_TIGERLAKE
+
+config CPU_SPECIFIC_OPTIONS
+	def_bool y
+	select ACPI_INTEL_HARDWARE_SLEEP_VALUES
+	select ARCH_BOOTBLOCK_X86_32
+	select ARCH_RAMSTAGE_X86_32
+	select ARCH_ROMSTAGE_X86_32
+	select ARCH_VERSTAGE_X86_32
+	select BOOT_DEVICE_SPI_FLASH_RW_NOMMAP_EARLY if BOOT_DEVICE_SPI_FLASH
+	select BOOT_DEVICE_SUPPORTS_WRITES
+	select C_ENVIRONMENT_BOOTBLOCK
+	select CACHE_MRC_SETTINGS
+	select COMMON_FADT
+	select CPU_INTEL_FIRMWARE_INTERFACE_TABLE
+	select FSP_M_XIP
+	select GENERIC_GPIO_LIB
+	select HAVE_FSP_GOP
+	select INTEL_DESCRIPTOR_MODE_CAPABLE
+	select HAVE_SMI_HANDLER
+	select IDT_IN_EVERY_STAGE
+	select INTEL_GMA_ACPI
+	select INTEL_GMA_ADD_VBT if RUN_FSP_GOP
+	select IOAPIC
+	select MRC_SETTINGS_PROTECT
+	select PARALLEL_MP
+	select PARALLEL_MP_AP_WORK
+	select MICROCODE_BLOB_UNDISCLOSED
+	select PLATFORM_USES_FSP2_1
+	select REG_SCRIPT
+	select SMP
+	select SOC_AHCI_PORT_IMPLEMENTED_INVERT
+	select PMC_GLOBAL_RESET_ENABLE_LOCK
+	select SOC_INTEL_COMMON
+	select SOC_INTEL_COMMON_ACPI_WAKE_SOURCE
+	select SOC_INTEL_COMMON_BLOCK
+	select SOC_INTEL_COMMON_BLOCK_ACPI
+	select SOC_INTEL_COMMON_BLOCK_CHIP_CONFIG
+	select SOC_INTEL_COMMON_BLOCK_CPU
+	select SOC_INTEL_COMMON_BLOCK_CPU_MPINIT
+	select SOC_INTEL_COMMON_BLOCK_EBDA
+	select SOC_INTEL_COMMON_BLOCK_GSPI_VERSION_2
+	select SOC_INTEL_COMMON_BLOCK_HDA
+	select SOC_INTEL_COMMON_BLOCK_SA
+	select SOC_INTEL_COMMON_BLOCK_SMM
+	select SOC_INTEL_COMMON_BLOCK_SMM_IO_TRAP
+	select SOC_INTEL_COMMON_PCH_BASE
+	select SOC_INTEL_COMMON_RESET
+	select SSE2
+	select SUPPORT_CPU_UCODE_IN_CBFS
+	select TSC_MONOTONIC_TIMER
+	select UDELAY_TSC
+	select UDK_2017_BINDING
+	select DISPLAY_FSP_VERSION_INFO
+	select HECI_DISABLE_USING_SMM
+
+config DCACHE_RAM_BASE
+	default 0xfef00000
+
+config DCACHE_RAM_SIZE
+	default 0x40000
+	help
+	  The size of the cache-as-ram region required during bootblock
+	  and/or romstage.
+
+config DCACHE_BSP_STACK_SIZE
+	hex
+	default 0x20400
+	help
+	  The amount of anticipated stack usage in CAR by bootblock and
+	  other stages. In the case of FSP_USES_CB_STACK default value will be
+	  sum of FSP-M stack requirement (128KiB) and CB romstage stack requirement (~1KiB).
+
+config FSP_TEMP_RAM_SIZE
+	hex
+	default 0x10000
+	help
+	  The amount of anticipated heap usage in CAR by FSP.
+	  Refer to Platform FSP integration guide document to know
+	  the exact FSP requirement for Heap setup.
+
+config IFD_CHIPSET
+	string
+	default "tgl"
+
+config IED_REGION_SIZE
+	hex
+	default 0x400000
+
+config HEAP_SIZE
+	hex
+	default 0x8000
+
+config MAX_ROOT_PORTS
+	int
+	default 16
+
+config SMM_TSEG_SIZE
+	hex
+	default 0x800000
+
+config SMM_RESERVED_SIZE
+	hex
+	default 0x200000
+
+config PCR_BASE_ADDRESS
+	hex
+	default 0xfd000000
+	help
+	  This option allows you to select MMIO Base Address of sideband bus.
+
+config MMCONF_BASE_ADDRESS
+	hex
+	default 0xc0000000
+
+config CPU_BCLK_MHZ
+	int
+	default 100
+
+config SOC_INTEL_COMMON_BLOCK_GSPI_CLOCK_MHZ
+	int
+	default 120
+
+config DRIVERS_I2C_DESIGNWARE_CLOCK_MHZ
+	int
+	default 133
+
+config SOC_INTEL_COMMON_BLOCK_GSPI_MAX
+	int
+	default 3
+
+config SOC_INTEL_I2C_DEV_MAX
+	int
+	default 6
+
+config SOC_INTEL_UART_DEV_MAX
+	int
+	default 3
+
+config CONSOLE_UART_BASE_ADDRESS
+	hex
+	default 0xfe032000
+	depends on INTEL_LPSS_UART_FOR_CONSOLE
+
+# Clock divider parameters for 115200 baud rate
+config SOC_INTEL_COMMON_LPSS_UART_CLK_M_VAL
+	hex
+	default 0x30
+
+config SOC_INTEL_COMMON_LPSS_UART_CLK_N_VAL
+	hex
+	default 0xc35
+
+config CHROMEOS
+	select CHROMEOS_RAMOOPS_DYNAMIC
+
+config VBOOT
+	select VBOOT_SEPARATE_VERSTAGE
+	select VBOOT_MUST_REQUEST_DISPLAY
+	select VBOOT_SAVE_RECOVERY_REASON_ON_REBOOT
+	select VBOOT_STARTS_IN_BOOTBLOCK
+	select VBOOT_VBNV_CMOS
+	select VBOOT_VBNV_CMOS_BACKUP_TO_FLASH
+
+config C_ENV_BOOTBLOCK_SIZE
+	hex
+	default 0xC000
+
+config CBFS_SIZE
+	hex
+	default 0x200000
+
+choice
+	prompt "Cache-as-ram implementation"
+	default USE_TIGERLAKE_CAR_NEM_ENHANCED
+	help
+	  This option allows you to select how cache-as-ram (CAR) is set up.
+
+config USE_TIGERLAKE_CAR_NEM_ENHANCED
+	bool "Enhanced Non-evict mode"
+	select SOC_INTEL_COMMON_BLOCK_CAR
+	select INTEL_CAR_NEM_ENHANCED
+	help
+	  A current limitation of NEM (Non-Evict mode) is that code and data
+	  sizes are derived from the requirement to not write out any modified
+	  cache line. With NEM, if there is no physical memory behind the
+	  cached area, the modified data will be lost and NEM results will be
+	  inconsistent. ENHANCED NEM guarantees that modified data is always
+	  kept in cache while clean data is replaced.
+
+config USE_TIGERLAKE_FSP_CAR
+	bool "Use FSP CAR"
+	select FSP_CAR
+	help
+	  Use FSP APIs to initialize and tear down the Cache-As-Ram.
+
+endchoice
+
+config FSP_HEADER_PATH
+	string "Location of FSP headers"
+	default "src/vendorcode/intel/fsp/fsp2_0/tigerlake/"
+
+config FSP_FD_PATH
+	string
+	depends on FSP_USE_REPO
+	default "3rdparty/fsp/TigerLakeFspBinPkg/Fsp.fd"
+
+endif
diff --git a/src/soc/intel/tigerlake/Makefile.inc b/src/soc/intel/tigerlake/Makefile.inc
new file mode 100644
index 0000000000..b402fa0d63
--- /dev/null
+++ b/src/soc/intel/tigerlake/Makefile.inc
@@ -0,0 +1,58 @@
+ifeq ($(CONFIG_SOC_INTEL_TIGERLAKE),y)
+
+subdirs-y += romstage
+subdirs-y += ../../../cpu/intel/microcode
+subdirs-y += ../../../cpu/intel/turbo
+subdirs-y += ../../../cpu/x86/lapic
+subdirs-y += ../../../cpu/x86/mtrr
+subdirs-y += ../../../cpu/x86/smm
+subdirs-y += ../../../cpu/x86/tsc
+
+# all (bootblock, verstage, romstage, postcar, ramstage)
+all-y += gspi.c
+all-y += i2c.c
+all-y += pmutil.c
+all-y += spi.c
+all-y += uart.c
+
+bootblock-y += bootblock/bootblock.c
+bootblock-y += bootblock/cpu.c
+bootblock-y += bootblock/pch.c
+bootblock-y += bootblock/report_platform.c
+bootblock-y += espi.c
+bootblock-y += gpio.c
+bootblock-y += p2sb.c
+
+romstage-y += espi.c
+romstage-y += gpio.c
+romstage-y += reset.c
+
+ramstage-y += acpi.c
+ramstage-y += chip.c
+ramstage-y += cpu.c
+ramstage-y += elog.c
+ramstage-y += espi.c
+ramstage-y += finalize.c
+ramstage-y += fsp_params.c
+ramstage-y += gpio.c
+ramstage-y += graphics.c
+ramstage-y += lockdown.c
+ramstage-y += p2sb.c
+ramstage-y += pmc.c
+ramstage-y += reset.c
+ramstage-y += smmrelocate.c
+ramstage-y += systemagent.c
+ramstage-y += sd.c
+
+smm-y += gpio.c
+smm-y += p2sb.c
+smm-y += pmc.c
+smm-y += pmutil.c
+smm-y += smihandler.c
+smm-y += uart.c
+
+
+CPPFLAGS_common += -I$(src)/soc/intel/tigerlake
+CPPFLAGS_common += -I$(src)/soc/intel/tigerlake/include
+
+endif
diff --git a/src/soc/intel/tigerlake/acpi.c b/src/soc/intel/tigerlake/acpi.c
new file mode 100644
index 0000000000..225f4e8211
--- /dev/null
+++ b/src/soc/intel/tigerlake/acpi.c
@@ -0,0 +1,248 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <arch/acpi.h>
+#include <arch/acpigen.h>
+#include <device/mmio.h>
+#include <arch/smp/mpspec.h>
+#include <cbmem.h>
+#include <ec/google/chromeec/ec.h>
+#include <intelblocks/cpulib.h>
+#include <intelblocks/pmclib.h>
+#include <intelblocks/acpi.h>
+#include <soc/cpu.h>
+#include <soc/iomap.h>
+#include <soc/nvs.h>
+#include <soc/pci_devs.h>
+#include <soc/pm.h>
+#include <soc/soc_chip.h>
+#include <string.h>
+#include <wrdd.h>
+
+/*
+ * List of supported C-states in this processor.
+ */
+enum {
+	C_STATE_C0,		/* 0 */
+	C_STATE_C1,		/* 1 */
+	C_STATE_C1E,		/* 2 */
+	C_STATE_C6_SHORT_LAT,	/* 3 */
+	C_STATE_C6_LONG_LAT,	/* 4 */
+	C_STATE_C7_SHORT_LAT,	/* 5 */
+	C_STATE_C7_LONG_LAT,	/* 6 */
+	C_STATE_C7S_SHORT_LAT,	/* 7 */
+	C_STATE_C7S_LONG_LAT,	/* 8 */
+	C_STATE_C8,		/* 9 */
+	C_STATE_C9,		/* 10 */
+	C_STATE_C10,		/* 11 */
+	NUM_C_STATES
+};
+
+#define MWAIT_RES(state, sub_state)				\
+	{							\
+		.addrl = (((state) << 4) | (sub_state)),	\
+		.space_id = ACPI_ADDRESS_SPACE_FIXED,		\
+		.bit_width = ACPI_FFIXEDHW_VENDOR_INTEL,	\
+		.bit_offset = ACPI_FFIXEDHW_CLASS_MWAIT,	\
+		.access_size = ACPI_FFIXEDHW_FLAG_HW_COORD,	\
+	}
+
+static const acpi_cstate_t cstate_map[NUM_C_STATES] = {
+	[C_STATE_C0] = {},
+	[C_STATE_C1] = {
+		.latency = 0,
+		.power = C1_POWER,
+		.resource = MWAIT_RES(0, 0),
+	},
+	[C_STATE_C1E] = {
+		.latency = 0,
+		.power = C1_POWER,
+		.resource = MWAIT_RES(0, 1),
+	},
+	[C_STATE_C6_SHORT_LAT] = {
+		.latency = C_STATE_LATENCY_FROM_LAT_REG(0),
+		.power = C6_POWER,
+		.resource = MWAIT_RES(2, 0),
+	},
+	[C_STATE_C6_LONG_LAT] = {
+		.latency = C_STATE_LATENCY_FROM_LAT_REG(0),
+		.power = C6_POWER,
+		.resource = MWAIT_RES(2, 1),
+	},
+	[C_STATE_C7_SHORT_LAT] = {
+		.latency = C_STATE_LATENCY_FROM_LAT_REG(0),
+		.power = C7_POWER,
+		.resource = MWAIT_RES(3, 0),
+	},
+	[C_STATE_C7_LONG_LAT] = {
+		.latency = C_STATE_LATENCY_FROM_LAT_REG(0),
+		.power = C7_POWER,
+		.resource = MWAIT_RES(3, 1),
+	},
+	[C_STATE_C7S_SHORT_LAT] = {
+		.latency = C_STATE_LATENCY_FROM_LAT_REG(0),
+		.power = C7_POWER,
+		.resource = MWAIT_RES(3, 2),
+	},
+	[C_STATE_C7S_LONG_LAT] = {
+		.latency = C_STATE_LATENCY_FROM_LAT_REG(0),
+		.power = C7_POWER,
+		.resource = MWAIT_RES(3, 3),
+	},
+	[C_STATE_C8] = {
+		.latency = C_STATE_LATENCY_FROM_LAT_REG(0),
+		.power = C8_POWER,
+		.resource = MWAIT_RES(4, 0),
+	},
+	[C_STATE_C9] = {
+		.latency = C_STATE_LATENCY_FROM_LAT_REG(0),
+		.power = C9_POWER,
+		.resource = MWAIT_RES(5, 0),
+	},
+	[C_STATE_C10] = {
+		.latency = C_STATE_LATENCY_FROM_LAT_REG(0),
+		.power = C10_POWER,
+		.resource = MWAIT_RES(6, 0),
+	},
+};
+
+static int cstate_set_non_s0ix[] = {
+	C_STATE_C1E,
+	C_STATE_C6_LONG_LAT,
+	C_STATE_C7S_LONG_LAT
+};
+
+static int cstate_set_s0ix[] = {
+	C_STATE_C1E,
+	C_STATE_C7S_LONG_LAT,
+	C_STATE_C10
+};
+
+acpi_cstate_t *soc_get_cstate_map(size_t *entries)
+{
+	static acpi_cstate_t map[MAX(ARRAY_SIZE(cstate_set_s0ix),
+				ARRAY_SIZE(cstate_set_non_s0ix))];
+	int *set;
+	int i;
+
+	config_t *config = config_of_soc();
+
+	int is_s0ix_enable = config->s0ix_enable;
+
+	if (is_s0ix_enable) {
+		*entries = ARRAY_SIZE(cstate_set_s0ix);
+		set = cstate_set_s0ix;
+	} else {
+		*entries = ARRAY_SIZE(cstate_set_non_s0ix);
+		set = cstate_set_non_s0ix;
+	}
+
+	for (i = 0; i < *entries; i++) {
+		memcpy(&map[i], &cstate_map[set[i]], sizeof(acpi_cstate_t));
+		map[i].ctype = i + 1;
+	}
+	return map;
+}
+
+void soc_power_states_generation(int core_id, int cores_per_package)
+{
+	config_t *config = config_of_soc();
+
+	if (config->eist_enable)
+		/* Generate P-state tables */
+		generate_p_state_entries(core_id, cores_per_package);
+}
+
+void soc_fill_fadt(acpi_fadt_t *fadt)
+{
+	const uint16_t pmbase = ACPI_BASE_ADDRESS;
+
+	config_t *config = config_of_soc();
+
+	if (!config->PmTimerDisabled) {
+		fadt->pm_tmr_blk = pmbase + PM1_TMR;
+		fadt->pm_tmr_len = 4;
+		fadt->x_pm_tmr_blk.space_id = 1;
+		fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
+		fadt->x_pm_tmr_blk.bit_offset = 0;
+		fadt->x_pm_tmr_blk.access_size = 0;
+		fadt->x_pm_tmr_blk.addrl = pmbase + PM1_TMR;
+		fadt->x_pm_tmr_blk.addrh = 0x0;
+	}
+
+	if (config->s0ix_enable)
+		fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0;
+}
+
+uint32_t soc_read_sci_irq_select(void)
+{
+	uintptr_t pmc_bar = soc_read_pmc_base();
+	return read32((void *)pmc_bar + IRQ_REG);
+}
+
+void acpi_create_gnvs(struct global_nvs_t *gnvs)
+{
+	config_t *config = config_of_soc();
+
+	/* Set unknown wake source */
+	gnvs->pm1i = -1;
+
+	/* CPU core count */
+	gnvs->pcnt = dev_count_cpu();
+
+	if (CONFIG(CONSOLE_CBMEM))
+		/* Update the mem console pointer. */
+		gnvs->cbmc = (uintptr_t)cbmem_find(CBMEM_ID_CONSOLE);
+
+	if (CONFIG(CHROMEOS)) {
+		/* Initialize Verified Boot data */
+		chromeos_init_chromeos_acpi(&(gnvs->chromeos));
+		if (CONFIG(EC_GOOGLE_CHROMEEC)) {
+			gnvs->chromeos.vbt2 = google_ec_running_ro() ?
+				ACTIVE_ECFW_RO : ACTIVE_ECFW_RW;
+		} else
+			gnvs->chromeos.vbt2 = ACTIVE_ECFW_RO;
+	}
+
+	/* Enable DPTF based on mainboard configuration */
+	gnvs->dpte = config->dptf_enable;
+
+	/* Fill in the Wifi Region id */
+	gnvs->cid1 = wifi_regulatory_domain();
+
+	/* Set USB2/USB3 wake enable bitmaps. */
+	gnvs->u2we = config->usb2_wake_enable_bitmap;
+	gnvs->u3we = config->usb3_wake_enable_bitmap;
+}
+
+uint32_t acpi_fill_soc_wake(uint32_t generic_pm1_en,
+			    const struct chipset_power_state *ps)
+{
+	/*
+	 * WAK_STS bit is set when the system is in one of the sleep states
+	 * (via the SLP_EN bit) and an enabled wake event occurs. Upon setting
+	 * this bit, the PMC will transition the system to the ON state and
+	 * can only be set by hardware and can only be cleared by writing a one
+	 * to this bit position.
+	 */
+
+	generic_pm1_en |= WAK_STS | RTC_EN | PWRBTN_EN;
+	return generic_pm1_en;
+}
+
+int soc_madt_sci_irq_polarity(int sci)
+{
+	return MP_IRQ_POLARITY_HIGH;
+}
diff --git a/src/soc/intel/tigerlake/chip.c b/src/soc/intel/tigerlake/chip.c
new file mode 100644
index 0000000000..530893ceca
--- /dev/null
+++ b/src/soc/intel/tigerlake/chip.c
@@ -0,0 +1,175 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <device/device.h>
+#include <device/pci.h>
+#include <fsp/api.h>
+#include <fsp/util.h>
+#include <intelblocks/acpi.h>
+#include <intelblocks/cfg.h>
+#include <intelblocks/itss.h>
+#include <intelblocks/xdci.h>
+#include <romstage_handoff.h>
+#include <soc/intel/common/vbt.h>
+#include <soc/itss.h>
+#include <soc/pci_devs.h>
+#include <soc/ramstage.h>
+#include <soc/soc_chip.h>
+
+#if CONFIG(HAVE_ACPI_TABLES)
+const char *soc_acpi_name(const struct device *dev)
+{
+	if (dev->path.type == DEVICE_PATH_DOMAIN)
+		return "PCI0";
+
+	if (dev->path.type != DEVICE_PATH_PCI)
+		return NULL;
+
+	switch (dev->path.pci.devfn) {
+	case SA_DEVFN_ROOT:	return "MCHC";
+	case SA_DEVFN_IGD:	return "GFX0";
+	case PCH_DEVFN_ISH:	return "ISHB";
+	case PCH_DEVFN_XHCI:	return "XHCI";
+	case PCH_DEVFN_USBOTG:	return "XDCI";
+	case PCH_DEVFN_THERMAL:	return "THRM";
+	case PCH_DEVFN_I2C0:	return "I2C0";
+	case PCH_DEVFN_I2C1:	return "I2C1";
+	case PCH_DEVFN_I2C2:	return "I2C2";
+	case PCH_DEVFN_I2C3:	return "I2C3";
+	case PCH_DEVFN_CSE:	return "CSE1";
+	case PCH_DEVFN_CSE_2:	return "CSE2";
+	case PCH_DEVFN_CSE_IDER:	return "CSED";
+	case PCH_DEVFN_CSE_KT:	return "CSKT";
+	case PCH_DEVFN_CSE_3:	return "CSE3";
+	case PCH_DEVFN_SATA:	return "SATA";
+	case PCH_DEVFN_UART2:	return "UAR2";
+	case PCH_DEVFN_I2C4:	return "I2C4";
+	case PCH_DEVFN_I2C5:	return "I2C5";
+	case PCH_DEVFN_PCIE1:	return "RP01";
+	case PCH_DEVFN_PCIE2:	return "RP02";
+	case PCH_DEVFN_PCIE3:	return "RP03";
+	case PCH_DEVFN_PCIE4:	return "RP04";
+	case PCH_DEVFN_PCIE5:	return "RP05";
+	case PCH_DEVFN_PCIE6:	return "RP06";
+	case PCH_DEVFN_PCIE7:	return "RP07";
+	case PCH_DEVFN_PCIE8:	return "RP08";
+	case PCH_DEVFN_PCIE9:	return "RP09";
+	case PCH_DEVFN_PCIE10:	return "RP10";
+	case PCH_DEVFN_PCIE11:	return "RP11";
+	case PCH_DEVFN_PCIE12:	return "RP12";
+	case PCH_DEVFN_PCIE13:	return "RP13";
+	case PCH_DEVFN_PCIE14:	return "RP14";
+	case PCH_DEVFN_PCIE15:	return "RP15";
+	case PCH_DEVFN_PCIE16:	return "RP16";
+	case PCH_DEVFN_PCIE17:	return "RP17";
+	case PCH_DEVFN_PCIE18:	return "RP18";
+	case PCH_DEVFN_PCIE19:	return "RP19";
+	case PCH_DEVFN_PCIE20:	return "RP20";
+	case PCH_DEVFN_PCIE21:	return "RP21";
+	case PCH_DEVFN_PCIE22:	return "RP22";
+	case PCH_DEVFN_PCIE23:	return "RP23";
+	case PCH_DEVFN_PCIE24:	return "RP24";
+	case PCH_DEVFN_UART0:	return "UAR0";
+	case PCH_DEVFN_UART1:	return "UAR1";
+	case PCH_DEVFN_GSPI0:	return "SPI0";
+	case PCH_DEVFN_GSPI1:	return "SPI1";
+	case PCH_DEVFN_GSPI2:	return "SPI2";
+	case PCH_DEVFN_EMMC:	return "EMMC";
+	case PCH_DEVFN_SDCARD:	return "SDXC";
+	/* Keeping ACPI device name coherent with ec.asl */
+	case PCH_DEVFN_ESPI:	return "LPCB";
+	case PCH_DEVFN_P2SB:	return "P2SB";
+	case PCH_DEVFN_PMC:	return "PMC_";
+	case PCH_DEVFN_HDA:	return "HDAS";
+	case PCH_DEVFN_SMBUS:	return "SBUS";
+	case PCH_DEVFN_SPI:	return "FSPI";
+	case PCH_DEVFN_GBE:	return "IGBE";
+	case PCH_DEVFN_TRACEHUB:return "THUB";
+	}
+
+	return NULL;
+}
+#endif
+
+/* SoC rotine to fill GPIO PM mask and value for GPIO_MISCCFG register */
+static void soc_fill_gpio_pm_configuration(void)
+{
+	uint8_t value[TOTAL_GPIO_COMM];
+	const config_t *config = config_of_soc();
+
+	if (config->gpio_override_pm)
+		memcpy(value, config->gpio_pm, sizeof(uint8_t) *
+			TOTAL_GPIO_COMM);
+	else
+		memset(value, MISCCFG_ENABLE_GPIO_PM_CONFIG, sizeof(uint8_t) *
+			TOTAL_GPIO_COMM);
+
+	gpio_pm_configure(value, TOTAL_GPIO_COMM);
+}
+
+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());
+
+	 /* Display FIRMWARE_VERSION_INFO_HOB */
+	fsp_display_fvi_version_hob();
+
+	/* Restore GPIO IRQ polarities back to previous settings. */
+	itss_restore_irq_polarities(GPIO_IRQ_START, GPIO_IRQ_END);
+
+	soc_fill_gpio_pm_configuration();
+}
+
+static void pci_domain_set_resources(struct device *dev)
+{
+	assign_resources(dev->link_list);
+}
+
+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)
+	.acpi_name        = &soc_acpi_name,
+	#endif
+};
+
+static struct device_operations cpu_bus_ops = {
+	.read_resources   = DEVICE_NOOP,
+	.set_resources    = DEVICE_NOOP,
+	.enable_resources = DEVICE_NOOP,
+	.init             = DEVICE_NOOP,
+	.acpi_fill_ssdt_generator = generate_cpu_entries,
+};
+
+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_tigerlake_ops = {
+	CHIP_NAME("Intel Tigerlake")
+	.enable_dev	= &soc_enable,
+	.init		= &soc_init_pre_device,
+};
diff --git a/src/soc/intel/tigerlake/chip.h b/src/soc/intel/tigerlake/chip.h
new file mode 100644
index 0000000000..32dc02c666
--- /dev/null
+++ b/src/soc/intel/tigerlake/chip.h
@@ -0,0 +1,280 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _SOC_CHIP_H_
+#define _SOC_CHIP_H_
+
+#include <intelblocks/cfg.h>
+#include <drivers/i2c/designware/dw_i2c.h>
+#include <intelblocks/gpio.h>
+#include <intelblocks/gspi.h>
+#include <stdint.h>
+#include <soc/gpe.h>
+#include <soc/gpio.h>
+#include <soc/pch.h>
+#include <soc/gpio_defs.h>
+#include <soc/pci_devs.h>
+#include <soc/pmc.h>
+#include <soc/serialio.h>
+#include <soc/usb.h>
+
+struct soc_intel_tigerlake_config {
+
+	/* Common struct containing soc config data required by common code */
+	struct soc_intel_common_config common_soc_config;
+
+	/* GPE configuration */
+	uint32_t gpe0_en_1; /* GPE0_EN_31_0 */
+	uint32_t gpe0_en_2; /* GPE0_EN_63_32 */
+	uint32_t gpe0_en_3; /* GPE0_EN_95_64 */
+	uint32_t gpe0_en_4; /* GPE0_EN_127_96 / GPE_STD */
+
+	/* Gpio group routed to each dword of the GPE0 block. Values are
+	 * of the form GPP_[A:G] or GPD. */
+	uint8_t gpe0_dw0; /* GPE0_31_0 STS/EN */
+	uint8_t gpe0_dw1; /* GPE0_63_32 STS/EN */
+	uint8_t gpe0_dw2; /* GPE0_95_64 STS/EN */
+
+	/* Generic IO decode ranges */
+	uint32_t gen1_dec;
+	uint32_t gen2_dec;
+	uint32_t gen3_dec;
+	uint32_t gen4_dec;
+
+	/* Enable S0iX support */
+	int s0ix_enable;
+	/* Enable DPTF support */
+	int dptf_enable;
+
+	/* Deep SX enable for both AC and DC */
+	int deep_s3_enable_ac;
+	int deep_s3_enable_dc;
+	int deep_s5_enable_ac;
+	int deep_s5_enable_dc;
+
+	/* Deep Sx Configuration
+	 *  DSX_EN_WAKE_PIN       - Enable WAKE# pin
+	 *  DSX_EN_LAN_WAKE_PIN   - Enable LAN_WAKE# pin
+	 *  DSX_DIS_AC_PRESENT_PD - Disable pull-down on AC_PRESENT pin */
+	uint32_t deep_sx_config;
+
+	/* TCC activation offset */
+	uint32_t tcc_offset;
+
+	uint64_t PlatformMemorySize;
+	uint8_t SmramMask;
+	uint8_t MrcFastBoot;
+	uint32_t TsegSize;
+	uint16_t MmioSize;
+
+	/* DDR Frequency Limit. Maximum Memory Frequency Selections in Mhz.
+	 * Options : 1067, 1333, 1600, 1867, 2133, 2400, 2667, 2933, 0(Auto) */
+	uint16_t DdrFreqLimit;
+
+	/* SAGV Low Frequency Selections in Mhz.
+	 * Options : 1067, 1333, 1600, 1867, 2133, 2400, 2667, 2933, 0(Auto) */
+	uint16_t FreqSaGvLow;
+
+	/* SAGV Mid Frequency Selections in Mhz.
+	 * Options : 1067, 1333, 1600, 1867, 2133, 2400, 2667, 2933, 0(Auto) */
+	uint16_t FreqSaGvMid;
+
+	/* System Agent dynamic frequency support. Only effects ULX/ULT CPUs.
+	 * When enabled memory will be training at two different frequencies.
+	 * 0:Disabled, 1:FixedLow, 2:FixedMid, 3:FixedHigh, 4:Enabled */
+	enum {
+		SaGv_Disabled,
+		SaGv_FixedLow,
+		SaGv_FixedMid,
+		SaGv_FixedHigh,
+		SaGv_Enabled,
+	} SaGv;
+
+
+	/* Rank Margin Tool. 1:Enable, 0:Disable */
+	uint8_t RMT;
+
+	/* USB related */
+	struct usb2_port_config usb2_ports[16];
+	struct usb3_port_config usb3_ports[10];
+	uint8_t SsicPortEnable;
+	/* Wake Enable Bitmap for USB2 ports */
+	uint16_t usb2_wake_enable_bitmap;
+	/* Wake Enable Bitmap for USB3 ports */
+	uint16_t usb3_wake_enable_bitmap;
+
+	/* SATA related */
+	uint8_t SataEnable;
+	uint8_t SataMode;
+	uint8_t SataSalpSupport;
+	uint8_t SataPortsEnable[8];
+	uint8_t SataPortsDevSlp[8];
+
+	/* Audio related */
+	uint8_t PchHdaEnable;
+	uint8_t PchHdaDspEnable;
+
+	/* Enable/Disable HD Audio Link. Muxed with SSP0/SSP1/SNDW1 */
+	uint8_t PchHdaAudioLinkHda;
+	uint8_t PchHdaAudioLinkDmic0;
+	uint8_t PchHdaAudioLinkDmic1;
+	uint8_t PchHdaAudioLinkSsp0;
+	uint8_t PchHdaAudioLinkSsp1;
+	uint8_t PchHdaAudioLinkSsp2;
+	uint8_t PchHdaAudioLinkSndw1;
+	uint8_t PchHdaAudioLinkSndw2;
+	uint8_t PchHdaAudioLinkSndw3;
+	uint8_t PchHdaAudioLinkSndw4;
+
+	/* PCIe Root Ports */
+	uint8_t PcieRpEnable[CONFIG_MAX_ROOT_PORTS];
+	/* PCIe output clocks type to Pcie devices.
+	 * 0-23: PCH rootport, 0x70: LAN, 0x80: unspecified but in use,
+	 * 0xFF: not used */
+	uint8_t PcieClkSrcUsage[CONFIG_MAX_ROOT_PORTS];
+	/* PCIe ClkReq-to-ClkSrc mapping, number of clkreq signal assigned to
+	 * clksrc. */
+	uint8_t PcieClkSrcClkReq[CONFIG_MAX_ROOT_PORTS];
+
+	/* SMBus */
+	uint8_t SmbusEnable;
+
+	/* eMMC and SD */
+	uint8_t ScsEmmcHs400Enabled;
+	/* Need to update DLL setting to get Emmc running at HS400 speed */
+	uint8_t EmmcUseCustomDlls;
+	uint32_t EmmcTxCmdDelayRegValue;
+	uint32_t EmmcTxDataDelay1RegValue;
+	uint32_t EmmcTxDataDelay2RegValue;
+	uint32_t EmmcRxCmdDataDelay1RegValue;
+	uint32_t EmmcRxCmdDataDelay2RegValue;
+	uint32_t EmmcRxStrobeDelayRegValue;
+
+	/* Enable if SD Card Power Enable Signal is Active High */
+	uint8_t SdCardPowerEnableActiveHigh;
+
+	/* Integrated Sensor */
+	uint8_t PchIshEnable;
+
+	/* Heci related */
+	uint8_t Heci3Enabled;
+
+	/* Gfx related */
+	uint8_t IgdDvmt50PreAlloc;
+	uint8_t InternalGfx;
+	uint8_t SkipExtGfxScan;
+
+	uint32_t GraphicsConfigPtr;
+	uint8_t Device4Enable;
+
+	/* GPIO IRQ Select. The valid value is 14 or 15 */
+	uint8_t GpioIrqRoute;
+	/* SCI IRQ Select. The valid value is 9, 10, 11, 20, 21, 22, 23 */
+	uint8_t SciIrqSelect;
+	/* TCO IRQ Select. The valid value is 9, 10, 11, 20, 21, 22, 23 */
+	uint8_t TcoIrqSelect;
+	uint8_t TcoIrqEnable;
+
+	/* HeciEnabled decides the state of Heci1 at end of boot
+	 * Setting to 0 (default) disables Heci1 and hides the device from OS */
+	uint8_t HeciEnabled;
+	/* PL2 Override value in Watts */
+	uint32_t tdp_pl2_override;
+	/* Intel Speed Shift Technology */
+	uint8_t speed_shift_enable;
+	/* Enable VR specific mailbox command
+	 * 00b - no VR specific cmd sent
+	 * 01b - VR mailbox cmd specifically for the MPS IMPV8 VR will be sent
+	 * 10b - VR specific cmd sent for PS4 exit issue
+	 * 11b - Reserved */
+	uint8_t SendVrMbxCmd;
+
+	/* Enable/Disable EIST. 1b:Enabled, 0b:Disabled */
+	uint8_t eist_enable;
+
+	/* Enable C6 DRAM */
+	uint8_t enable_c6dram;
+
+	uint8_t PmTimerDisabled;
+
+	/* Desired platform debug type. */
+	enum {
+		DebugConsent_Disabled,
+		DebugConsent_DCI_DBC,
+		DebugConsent_DCI,
+		DebugConsent_USB3_DBC,
+		DebugConsent_XDP, /* XDP/Mipi60 */
+		DebugConsent_USB2_DBC,
+	} DebugConsent;
+	/*
+	 * SerialIO device mode selection:
+	 * PchSerialIoDisabled,
+	 * PchSerialIoPci,
+	 * PchSerialIoHidden,
+	 * PchSerialIoLegacyUart,
+	 * PchSerialIoSkipInit
+	 */
+	uint8_t SerialIoI2cMode[CONFIG_SOC_INTEL_I2C_DEV_MAX];
+	uint8_t SerialIoGSpiMode[CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX];
+	uint8_t SerialIoUartMode[CONFIG_SOC_INTEL_UART_DEV_MAX];
+	/*
+	 * GSPIn Default Chip Select Mode:
+	 * 0:Hardware Mode,
+	 * 1:Software Mode
+	 */
+	uint8_t SerialIoGSpiCsMode[CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX];
+	/*
+	 * GSPIn Default Chip Select State:
+	 * 0: Low,
+	 * 1: High
+	 */
+	uint8_t SerialIoGSpiCsState[CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX];
+
+	/* GPIO SD card detect pin */
+	unsigned int sdcard_cd_gpio;
+
+	/* Enable Pch iSCLK */
+	uint8_t pch_isclk;
+
+	/* CNVi BT Audio Offload: Enable/Disable BT Audio Offload. */
+	enum {
+		PLATFORM_POR,
+		FORCE_ENABLE,
+		FORCE_DISABLE,
+	} CnviBtAudioOffload;
+
+	/*
+	 * Override GPIO PM configuration:
+	 * 0: Use FSP default GPIO PM program,
+	 * 1: coreboot to override GPIO PM program
+	 */
+	uint8_t gpio_override_pm;
+
+	/*
+	 * GPIO PM configuration: 0 to disable, 1 to enable power gating
+	 * Bit 6-7: Reserved
+	 * Bit 5: MISCCFG_GPSIDEDPCGEN
+	 * Bit 4: MISCCFG_GPRCOMPCDLCGEN
+	 * Bit 3: MISCCFG_GPRTCDLCGEN
+	 * Bit 2: MISCCFG_GSXLCGEN
+	 * Bit 1: MISCCFG_GPDPCGEN
+	 * Bit 0: MISCCFG_GPDLCGEN
+	 */
+	uint8_t gpio_pm[TOTAL_GPIO_COMM];
+};
+
+typedef struct soc_intel_tigerlake_config config_t;
+
+#endif
diff --git a/src/soc/intel/tigerlake/cpu.c b/src/soc/intel/tigerlake/cpu.c
new file mode 100644
index 0000000000..4174cd2d24
--- /dev/null
+++ b/src/soc/intel/tigerlake/cpu.c
@@ -0,0 +1,268 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/*
+ * This file is created based on Intel Tiger Lake Processor CPU Datasheet
+ * Document number: 575683
+ * Chapter number: 15
+ */
+
+#include <arch/cpu.h>
+#include <console/console.h>
+#include <device/pci.h>
+#include <cpu/x86/lapic.h>
+#include <cpu/x86/mp.h>
+#include <cpu/x86/msr.h>
+#include <cpu/intel/smm_reloc.h>
+#include <cpu/intel/turbo.h>
+#include <fsp/api.h>
+#include <intelblocks/cpulib.h>
+#include <intelblocks/mp_init.h>
+#include <intelblocks/msr.h>
+#include <romstage_handoff.h>
+#include <soc/cpu.h>
+#include <soc/msr.h>
+#include <soc/pci_devs.h>
+#include <soc/pm.h>
+#include <soc/smm.h>
+#include <soc/soc_chip.h>
+
+static void soc_fsp_load(void)
+{
+	fsps_load(romstage_handoff_is_resume());
+}
+
+static void configure_isst(void)
+{
+	config_t *conf = config_of_soc();
+	msr_t msr;
+
+	if (conf->speed_shift_enable) {
+		/*
+		 * Kernel driver checks CPUID.06h:EAX[Bit 7] to determine if HWP
+		 * is supported or not. coreboot needs to configure MSR 0x1AA
+		 * which is then reflected in the CPUID register.
+		 */
+		msr = rdmsr(MSR_MISC_PWR_MGMT);
+		msr.lo |= MISC_PWR_MGMT_ISST_EN; /* Enable Speed Shift */
+		msr.lo |= MISC_PWR_MGMT_ISST_EN_INT; /* Enable Interrupt */
+		msr.lo |= MISC_PWR_MGMT_ISST_EN_EPP; /* Enable EPP */
+		wrmsr(MSR_MISC_PWR_MGMT, msr);
+	} else {
+		msr = rdmsr(MSR_MISC_PWR_MGMT);
+		msr.lo &= ~MISC_PWR_MGMT_ISST_EN; /* Disable Speed Shift */
+		msr.lo &= ~MISC_PWR_MGMT_ISST_EN_INT; /* Disable Interrupt */
+		msr.lo &= ~MISC_PWR_MGMT_ISST_EN_EPP; /* Disable EPP */
+		wrmsr(MSR_MISC_PWR_MGMT, msr);
+	}
+}
+
+static void configure_misc(void)
+{
+	msr_t msr;
+
+	config_t *conf = config_of_soc();
+
+	msr = rdmsr(IA32_MISC_ENABLE);
+	msr.lo |= (1 << 0);	/* Fast String enable */
+	msr.lo |= (1 << 3);	/* TM1/TM2/EMTTM enable */
+	/* Set EIST status */
+	cpu_set_eist(conf->eist_enable);
+	wrmsr(IA32_MISC_ENABLE, msr);
+
+	/* Disable Thermal interrupts */
+	msr.lo = 0;
+	msr.hi = 0;
+	wrmsr(IA32_THERM_INTERRUPT, msr);
+
+	/* Enable package critical interrupt only */
+	msr.lo = 1 << 4;
+	msr.hi = 0;
+	wrmsr(IA32_PACKAGE_THERM_INTERRUPT, msr);
+
+	/* Enable PROCHOT */
+	msr = rdmsr(MSR_POWER_CTL);
+	msr.lo |= (1 << 0);	/* Enable Bi-directional PROCHOT as an input*/
+	msr.lo |= (1 << 23);	/* Lock it */
+	wrmsr(MSR_POWER_CTL, msr);
+}
+
+static void enable_lapic_tpr(void)
+{
+	msr_t msr;
+
+	msr = rdmsr(MSR_PIC_MSG_CONTROL);
+	msr.lo &= ~(1 << 10);	/* Enable APIC TPR updates */
+	wrmsr(MSR_PIC_MSG_CONTROL, msr);
+}
+
+static void configure_dca_cap(void)
+{
+	uint32_t feature_flag;
+	msr_t msr;
+
+	/* Check feature flag in CPUID.(EAX=1):ECX[18]==1 */
+	feature_flag = cpu_get_feature_flags_ecx();
+	if (feature_flag & CPUID_DCA) {
+		msr = rdmsr(IA32_PLATFORM_DCA_CAP);
+		msr.lo |= 1;
+		wrmsr(IA32_PLATFORM_DCA_CAP, msr);
+	}
+}
+
+static void enable_pm_timer_emulation(void)
+{
+	/* ACPI PM timer emulation */
+	msr_t msr;
+	/*
+	 * The derived frequency is calculated as follows:
+	 * (CTC_FREQ * msr[63:32]) >> 32 = target frequency.
+	 * Back solve the multiplier so the 3.579545MHz ACPI timer
+	 * frequency is used.
+	 */
+	msr.hi = (3579545ULL << 32) / CTC_FREQ;
+	/* Set PM1 timer IO port and enable */
+	msr.lo = (EMULATE_DELAY_VALUE << EMULATE_DELAY_OFFSET_VALUE) |
+			EMULATE_PM_TMR_EN | (ACPI_BASE_ADDRESS + PM1_TMR);
+	wrmsr(MSR_EMULATE_PM_TIMER, msr);
+}
+
+static void set_energy_perf_bias(u8 policy)
+{
+	msr_t msr;
+	int ecx;
+
+	/* Determine if energy efficient policy is supported. */
+	ecx = cpuid_ecx(0x6);
+	if (!(ecx & (1 << 3)))
+		return;
+
+	/* Energy Policy is bits 3:0 */
+	msr = rdmsr(IA32_ENERGY_PERF_BIAS);
+	msr.lo &= ~0xf;
+	msr.lo |= policy & 0xf;
+	wrmsr(IA32_ENERGY_PERF_BIAS, msr);
+}
+
+static void configure_c_states(void)
+{
+	msr_t msr;
+
+	/* C-state Interrupt Response Latency Control 1 - package C6/C7 short */
+	msr.hi = 0;
+	msr.lo = IRTL_VALID | IRTL_32768_NS | C_STATE_LATENCY_CONTROL_1_LIMIT;
+	wrmsr(MSR_C_STATE_LATENCY_CONTROL_1, msr);
+
+	/* C-state Interrupt Response Latency Control 2 - package C6/C7 long */
+	msr.hi = 0;
+	msr.lo = IRTL_VALID | IRTL_32768_NS | C_STATE_LATENCY_CONTROL_2_LIMIT;
+	wrmsr(MSR_C_STATE_LATENCY_CONTROL_2, msr);
+
+	/* C-state Interrupt Response Latency Control 3 - package C8 */
+	msr.hi = 0;
+	msr.lo = IRTL_VALID | IRTL_32768_NS |
+		C_STATE_LATENCY_CONTROL_3_LIMIT;
+	wrmsr(MSR_C_STATE_LATENCY_CONTROL_3, msr);
+
+	/* C-state Interrupt Response Latency Control 4 - package C9 */
+	msr.hi = 0;
+	msr.lo = IRTL_VALID | IRTL_32768_NS |
+		C_STATE_LATENCY_CONTROL_4_LIMIT;
+	wrmsr(MSR_C_STATE_LATENCY_CONTROL_4, msr);
+
+	/* C-state Interrupt Response Latency Control 5 - package C10 */
+	msr.hi = 0;
+	msr.lo = IRTL_VALID | IRTL_32768_NS |
+		C_STATE_LATENCY_CONTROL_5_LIMIT;
+	wrmsr(MSR_C_STATE_LATENCY_CONTROL_5, msr);
+}
+
+/* All CPUs including BSP will run the following function. */
+void soc_core_init(struct device *cpu)
+{
+	/* Clear out pending MCEs */
+	/* TODO(adurbin): This should only be done on a cold boot. Also, some
+	 * of these banks are core vs package scope. For now every CPU clears
+	 * every bank. */
+	mca_configure();
+
+	/* Enable the local CPU apics */
+	enable_lapic_tpr();
+	setup_lapic();
+
+	/* Configure c-state interrupt response time */
+	configure_c_states();
+
+	/* Configure Enhanced SpeedStep and Thermal Sensors */
+	configure_misc();
+
+	/* Configure Intel Speed Shift */
+	configure_isst();
+
+	/* Enable PM timer emulation */
+	enable_pm_timer_emulation();
+
+	/* Enable Direct Cache Access */
+	configure_dca_cap();
+
+	/* Set energy policy */
+	set_energy_perf_bias(ENERGY_POLICY_NORMAL);
+
+	/* Enable Turbo */
+	enable_turbo();
+}
+
+static void per_cpu_smm_trigger(void)
+{
+	/* Relocate the SMM handler. */
+	smm_relocate();
+}
+
+static void post_mp_init(void)
+{
+	/* Set Max Ratio */
+	cpu_set_max_ratio();
+
+	/*
+	 * Now that all APs have been relocated as well as the BSP let SMIs
+	 * start flowing.
+	 */
+	smm_southbridge_enable(PWRBTN_EN | GBL_EN);
+
+	/* Lock down the SMRAM space. */
+	smm_lock();
+}
+
+static const struct mp_ops mp_ops = {
+	/*
+	 * Skip Pre MP init MTRR programming as MTRRs are mirrored from BSP,
+	 * that are set prior to ramstage.
+	 * Real MTRRs programming are being done after resource allocation.
+	 */
+	.pre_mp_init = soc_fsp_load,
+	.get_cpu_count = get_cpu_count,
+	.get_smm_info = smm_info,
+	.get_microcode_info = get_microcode_info,
+	.pre_mp_smm_init = smm_initialize,
+	.per_cpu_smm_trigger = per_cpu_smm_trigger,
+	.relocation_handler = smm_relocation_handler,
+	.post_mp_init = post_mp_init,
+};
+
+void soc_init_cpus(struct bus *cpu_bus)
+{
+	if (mp_init_with_smm(cpu_bus, &mp_ops))
+		printk(BIOS_ERR, "MP initialization failure.\n");
+}
diff --git a/src/soc/intel/tigerlake/elog.c b/src/soc/intel/tigerlake/elog.c
new file mode 100644
index 0000000000..2ec6b410df
--- /dev/null
+++ b/src/soc/intel/tigerlake/elog.c
@@ -0,0 +1,132 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2015 Intel Corporation.
+ * Copyright 2019 Google LLC
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <bootstate.h>
+#include <cbmem.h>
+#include <console/console.h>
+#include <stdint.h>
+#include <elog.h>
+#include <intelblocks/pmclib.h>
+#include <soc/pci_devs.h>
+#include <soc/pm.h>
+
+static void pch_log_gpio_gpe(u32 gpe0_sts, u32 gpe0_en, int start)
+{
+	int i;
+
+	gpe0_sts &= gpe0_en;
+
+	for (i = 0; i <= 31; i++) {
+		if (gpe0_sts & (1 << i))
+			elog_add_event_wake(ELOG_WAKE_SOURCE_GPIO, i + start);
+	}
+}
+
+static void pch_log_wake_source(struct chipset_power_state *ps)
+{
+	/* Power Button */
+	if (ps->pm1_sts & PWRBTN_STS)
+		elog_add_event_wake(ELOG_WAKE_SOURCE_PWRBTN, 0);
+
+	/* RTC */
+	if (ps->pm1_sts & RTC_STS)
+		elog_add_event_wake(ELOG_WAKE_SOURCE_RTC, 0);
+
+	/* PCI Express (TODO: determine wake device) */
+	if (ps->pm1_sts & PCIEXPWAK_STS)
+		elog_add_event_wake(ELOG_WAKE_SOURCE_PCIE, 0);
+
+	/* PME (TODO: determine wake device) */
+	if (ps->gpe0_sts[GPE_STD] & PME_STS)
+		elog_add_event_wake(ELOG_WAKE_SOURCE_PME, 0);
+
+	/* Internal PME (TODO: determine wake device) */
+	if (ps->gpe0_sts[GPE_STD] & PME_B0_STS)
+		elog_add_event_wake(ELOG_WAKE_SOURCE_PME_INTERNAL, 0);
+
+	/* SMBUS Wake */
+	if (ps->gpe0_sts[GPE_STD] & SMB_WAK_STS)
+		elog_add_event_wake(ELOG_WAKE_SOURCE_SMBUS, 0);
+
+	/* Log GPIO events in set 1-3 */
+	pch_log_gpio_gpe(ps->gpe0_sts[GPE_31_0], ps->gpe0_en[GPE_31_0], 0);
+	pch_log_gpio_gpe(ps->gpe0_sts[GPE_63_32], ps->gpe0_en[GPE_63_32], 32);
+	pch_log_gpio_gpe(ps->gpe0_sts[GPE_95_64], ps->gpe0_en[GPE_95_64], 64);
+	/* Treat the STD as an extension of GPIO to obtain visibility. */
+	pch_log_gpio_gpe(ps->gpe0_sts[GPE_STD], ps->gpe0_en[GPE_STD], 96);
+}
+
+static void pch_log_power_and_resets(struct chipset_power_state *ps)
+{
+	/* Thermal Trip */
+	if (ps->gblrst_cause[0] & GBLRST_CAUSE0_THERMTRIP)
+		elog_add_event(ELOG_TYPE_THERM_TRIP);
+
+	/* PWR_FLR Power Failure */
+	if (ps->gen_pmcon_a & PWR_FLR)
+		elog_add_event(ELOG_TYPE_POWER_FAIL);
+
+	/* SUS Well Power Failure */
+	if (ps->gen_pmcon_a & SUS_PWR_FLR)
+		elog_add_event(ELOG_TYPE_SUS_POWER_FAIL);
+
+	/* TCO Timeout */
+	if (ps->prev_sleep_state != ACPI_S3 &&
+	    ps->tco2_sts & TCO_STS_SECOND_TO)
+		elog_add_event(ELOG_TYPE_TCO_RESET);
+
+	/* Power Button Override */
+	if (ps->pm1_sts & PRBTNOR_STS)
+		elog_add_event(ELOG_TYPE_POWER_BUTTON_OVERRIDE);
+
+	/* RTC reset */
+	if (ps->gen_pmcon_b & RTC_BATTERY_DEAD)
+		elog_add_event(ELOG_TYPE_RTC_RESET);
+
+	/* Host Reset Status */
+	if (ps->gen_pmcon_a & HOST_RST_STS)
+		elog_add_event(ELOG_TYPE_SYSTEM_RESET);
+
+	/* ACPI Wake Event */
+	if (ps->prev_sleep_state != ACPI_S0)
+		elog_add_event_byte(ELOG_TYPE_ACPI_WAKE, ps->prev_sleep_state);
+}
+
+static void pch_log_state(void *unused)
+{
+	struct chipset_power_state *ps = pmc_get_power_state();
+
+	if (!ps) {
+		printk(BIOS_ERR, "chipset_power_state not found!\n");
+		return;
+	}
+
+	/* Power and Reset */
+	pch_log_power_and_resets(ps);
+
+	/* Wake Sources */
+	if (ps->prev_sleep_state > ACPI_S0)
+		pch_log_wake_source(ps);
+}
+
+BOOT_STATE_INIT_ENTRY(BS_DEV_INIT, BS_ON_EXIT, pch_log_state, NULL);
+
+void elog_gsmi_cb_platform_log_wake_source(void)
+{
+	struct chipset_power_state ps;
+	pmc_fill_pm_reg_info(&ps);
+	pch_log_wake_source(&ps);
+}
diff --git a/src/soc/intel/tigerlake/espi.c b/src/soc/intel/tigerlake/espi.c
new file mode 100644
index 0000000000..932f76089d
--- /dev/null
+++ b/src/soc/intel/tigerlake/espi.c
@@ -0,0 +1,248 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/*
+ * This file is created based on Intel Tiger Lake Processor PCH Datasheet
+ * Document number: 575857
+ * Chapter number: 2
+ */
+
+#include <device/device.h>
+#include <device/pci.h>
+#include <pc80/isa-dma.h>
+#include <pc80/i8259.h>
+#include <arch/io.h>
+#include <device/pci_ops.h>
+#include <arch/ioapic.h>
+#include <intelblocks/itss.h>
+#include <intelblocks/lpc_lib.h>
+#include <intelblocks/pcr.h>
+#include <reg_script.h>
+#include <soc/espi.h>
+#include <soc/iomap.h>
+#include <soc/irq.h>
+#include <soc/pci_devs.h>
+#include <soc/pcr_ids.h>
+#include <soc/soc_chip.h>
+
+/*
+* As per the BWG, Chapter 5.9.1. "PCH BIOS component will reserve
+* certain memory range as reserved range for BIOS usage.
+* For this SOC, the range will be from 0FC800000h till FE7FFFFFh"
+*/
+static const struct lpc_mmio_range tgl_lpc_fixed_mmio_ranges[] = {
+	{ PCH_PRESERVED_BASE_ADDRESS, PCH_PRESERVED_BASE_SIZE },
+	{ 0, 0 }
+};
+
+const struct lpc_mmio_range *soc_get_fixed_mmio_ranges()
+{
+	return tgl_lpc_fixed_mmio_ranges;
+}
+
+void soc_get_gen_io_dec_range(const struct device *dev, uint32_t *gen_io_dec)
+{
+	const config_t *config = config_of(dev);
+
+	gen_io_dec[0] = config->gen1_dec;
+	gen_io_dec[1] = config->gen2_dec;
+	gen_io_dec[2] = config->gen3_dec;
+	gen_io_dec[3] = config->gen4_dec;
+}
+
+void soc_setup_dmi_pcr_io_dec(uint32_t *gen_io_dec)
+{
+	/* Mirror these same settings in DMI PCR */
+	pcr_write32(PID_DMI, PCR_DMI_LPCLGIR1, gen_io_dec[0]);
+	pcr_write32(PID_DMI, PCR_DMI_LPCLGIR2, gen_io_dec[1]);
+	pcr_write32(PID_DMI, PCR_DMI_LPCLGIR3, gen_io_dec[2]);
+	pcr_write32(PID_DMI, PCR_DMI_LPCLGIR4, gen_io_dec[3]);
+}
+
+uint8_t get_pch_series(void)
+{
+	uint16_t lpc_did_hi_byte;
+
+	/*
+	 * Fetch upper 8 bits on ESPI device ID to determine PCH type
+	 * Adding 1 to the offset to fetch upper 8 bits
+	 */
+	lpc_did_hi_byte = pci_read_config8(PCH_DEV_ESPI, PCI_DEVICE_ID + 1);
+
+	if (lpc_did_hi_byte == 0x9D)
+		return PCH_LP;
+	else if (lpc_did_hi_byte == 0xA3)
+		return PCH_H;
+	else
+		return PCH_UNKNOWN_SERIES;
+}
+
+#if ENV_RAMSTAGE
+static void soc_mirror_dmi_pcr_io_dec(void)
+{
+	struct device *dev = pcidev_on_root(PCH_DEV_SLOT_ESPI, 0);
+	uint32_t io_dec_arr[] = {
+		pci_read_config32(dev, ESPI_GEN1_DEC),
+		pci_read_config32(dev, ESPI_GEN2_DEC),
+		pci_read_config32(dev, ESPI_GEN3_DEC),
+		pci_read_config32(dev, ESPI_GEN4_DEC),
+	};
+	/* Mirror these same settings in DMI PCR */
+	soc_setup_dmi_pcr_io_dec(&io_dec_arr[0]);
+}
+
+static void pch_enable_ioapic(const struct device *dev)
+{
+	u32 reg32;
+	/* PCH-LP has 120 redirection entries */
+	const int redir_entries = 120;
+
+	set_ioapic_id((void *)IO_APIC_ADDR, 0x02);
+
+	/* affirm full set of redirection table entries ("write once") */
+	reg32 = io_apic_read((void *)IO_APIC_ADDR, 0x01);
+
+	reg32 &= ~0x00ff0000;
+	reg32 |= (redir_entries - 1) << 16;
+
+	io_apic_write((void *)IO_APIC_ADDR, 0x01, reg32);
+
+	/*
+	 * Select Boot Configuration register (0x03) and
+	 * use Processor System Bus (0x01) to deliver interrupts.
+	 */
+	io_apic_write((void *)IO_APIC_ADDR, 0x03, 0x01);
+}
+/*
+ * PIRQ[n]_ROUT[3:0] - PIRQ Routing Control
+ * 0x00 - 0000 = Reserved
+ * 0x01 - 0001 = Reserved
+ * 0x02 - 0010 = Reserved
+ * 0x03 - 0011 = IRQ3
+ * 0x04 - 0100 = IRQ4
+ * 0x05 - 0101 = IRQ5
+ * 0x06 - 0110 = IRQ6
+ * 0x07 - 0111 = IRQ7
+ * 0x08 - 1000 = Reserved
+ * 0x09 - 1001 = IRQ9
+ * 0x0A - 1010 = IRQ10
+ * 0x0B - 1011 = IRQ11
+ * 0x0C - 1100 = IRQ12
+ * 0x0D - 1101 = Reserved
+ * 0x0E - 1110 = IRQ14
+ * 0x0F - 1111 = IRQ15
+ * PIRQ[n]_ROUT[7] - PIRQ Routing Control
+ * 0x80 - The PIRQ is not routed.
+ */
+
+void soc_pch_pirq_init(const struct device *dev)
+{
+	struct device *irq_dev;
+	uint8_t pch_interrupt_routing[MAX_PXRC_CONFIG];
+
+	pch_interrupt_routing[0] = PCH_IRQ11;
+	pch_interrupt_routing[1] = PCH_IRQ10;
+	pch_interrupt_routing[2] = PCH_IRQ11;
+	pch_interrupt_routing[3] = PCH_IRQ11;
+	pch_interrupt_routing[4] = PCH_IRQ11;
+	pch_interrupt_routing[5] = PCH_IRQ11;
+	pch_interrupt_routing[6] = PCH_IRQ11;
+	pch_interrupt_routing[7] = PCH_IRQ11;
+
+	itss_irq_init(pch_interrupt_routing);
+
+	for (irq_dev = all_devices; irq_dev; irq_dev = irq_dev->next) {
+		u8 int_pin = 0, int_line = 0;
+
+		if (!irq_dev->enabled || irq_dev->path.type != DEVICE_PATH_PCI)
+			continue;
+
+		int_pin = pci_read_config8(irq_dev, PCI_INTERRUPT_PIN);
+
+		switch (int_pin) {
+		case 1: /* INTA# */
+			int_line = PCH_IRQ11;
+			break;
+		case 2: /* INTB# */
+			int_line = PCH_IRQ10;
+			break;
+		case 3: /* INTC# */
+			int_line = PCH_IRQ11;
+			break;
+		case 4: /* INTD# */
+			int_line = PCH_IRQ11;
+			break;
+		}
+
+		if (!int_line)
+			continue;
+
+		pci_write_config8(irq_dev, PCI_INTERRUPT_LINE, int_line);
+	}
+}
+
+static void pch_misc_init(void)
+{
+	uint8_t reg8;
+
+	/* Setup NMI on errors, disable SERR */
+	reg8 = (inb(0x61)) & 0xf0;
+	outb((reg8 | (1 << 2)), 0x61);
+
+	/* Disable NMI sources */
+	outb((1 << 7), 0x70);
+};
+
+void lpc_soc_init(struct device *dev)
+{
+	/* Legacy initialization */
+	isa_dma_init();
+	pch_misc_init();
+
+	/* Enable CLKRUN_EN for power gating ESPI */
+	lpc_enable_pci_clk_cntl();
+
+	/* Set ESPI Serial IRQ mode */
+	if (CONFIG(SERIRQ_CONTINUOUS_MODE))
+		lpc_set_serirq_mode(SERIRQ_CONTINUOUS);
+	else
+		lpc_set_serirq_mode(SERIRQ_QUIET);
+
+	/* Interrupt configuration */
+	pch_enable_ioapic(dev);
+	soc_pch_pirq_init(dev);
+	setup_i8259();
+	i8259_configure_irq_trigger(9, 1);
+	soc_mirror_dmi_pcr_io_dec();
+}
+
+/* Fill up ESPI IO resource structure inside SoC directory */
+void pch_lpc_soc_fill_io_resources(struct device *dev)
+{
+	/*
+	 * PMC pci device gets hidden from PCI bus due to Silicon
+	 * policy hence bind ACPI BASE aka ABASE (offset 0x20) with
+	 * ESPI IO resources to ensure that ABASE falls under PCI reserved
+	 * IO memory range.
+	 *
+	 * Note: Don't add any more resource with same offset 0x20
+	 * under this device space.
+	 */
+	pch_lpc_add_new_resource(dev, PCI_BASE_ADDRESS_4,
+			ACPI_BASE_ADDRESS, ACPI_BASE_SIZE, IORESOURCE_IO |
+			IORESOURCE_ASSIGNED | IORESOURCE_FIXED);
+}
+
+#endif
diff --git a/src/soc/intel/tigerlake/finalize.c b/src/soc/intel/tigerlake/finalize.c
new file mode 100644
index 0000000000..ac9dc24b50
--- /dev/null
+++ b/src/soc/intel/tigerlake/finalize.c
@@ -0,0 +1,126 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/*
+ * This file is created based on Intel Tiger Lake Processor PCH Datasheet
+ * Document number: 575857
+ * Chapter number: 4, 29
+ */
+
+#include <arch/io.h>
+#include <device/mmio.h>
+#include <bootstate.h>
+#include <console/console.h>
+#include <console/post_codes.h>
+#include <cpu/x86/smm.h>
+#include <device/pci.h>
+#include <intelblocks/lpc_lib.h>
+#include <intelblocks/pcr.h>
+#include <intelblocks/tco.h>
+#include <intelblocks/thermal.h>
+#include <reg_script.h>
+#include <spi-generic.h>
+#include <soc/p2sb.h>
+#include <soc/pci_devs.h>
+#include <soc/pcr_ids.h>
+#include <soc/pm.h>
+#include <soc/smbus.h>
+#include <soc/soc_chip.h>
+#include <soc/systemagent.h>
+#include <stdlib.h>
+
+#define CAMERA1_CLK		0x8000 /* Camera 1 Clock */
+#define CAMERA2_CLK		0x8080 /* Camera 2 Clock */
+#define CAM_CLK_EN		(1 << 1)
+#define MIPI_CLK		(1 << 0)
+#define HDPLL_CLK		(0 << 0)
+
+static void pch_enable_isclk(void)
+{
+	pcr_or32(PID_ISCLK, CAMERA1_CLK, CAM_CLK_EN | MIPI_CLK);
+	pcr_or32(PID_ISCLK, CAMERA2_CLK, CAM_CLK_EN | MIPI_CLK);
+}
+
+static void pch_handle_sideband(config_t *config)
+{
+	if (config->pch_isclk)
+		pch_enable_isclk();
+}
+
+static void pch_finalize(void)
+{
+	uint32_t reg32;
+	uint8_t *pmcbase;
+	config_t *config;
+	uint8_t reg8;
+
+	/* TCO Lock down */
+	tco_lockdown();
+
+	/*
+	 * Set low maximum temp threshold value used for dynamic thermal sensor
+	 * shutdown consideration.
+	 *
+	 * If Dynamic Thermal Shutdown is enabled then PMC logic shuts down the
+	 * thermal sensor when CPU is in a C-state and DTS Temp <= LTT.
+	 */
+	pch_thermal_configuration();
+
+	/*
+	 * Disable ACPI PM timer based on dt policy
+	 *
+	 * Disabling ACPI PM timer is necessary for XTAL OSC shutdown.
+	 * Disabling ACPI PM timer also switches off TCO
+	 *
+	 * SA_DEV_ROOT device is used here instead of PCH_DEV_PMC since it is
+	 * just required to get to chip config. PCH_DEV_PMC is hidden by this
+	 * point and hence removed from the root bus. pcidev_path_on_root thus
+	 * returns NULL for PCH_DEV_PMC device.
+	 */
+	config = config_of_soc();
+	pmcbase = pmc_mmio_regs();
+	if (config->PmTimerDisabled) {
+		reg8 = read8(pmcbase + PCH_PWRM_ACPI_TMR_CTL);
+		reg8 |= (1 << 1);
+		write8(pmcbase + PCH_PWRM_ACPI_TMR_CTL, reg8);
+	}
+
+	/* Disable XTAL shutdown qualification for low power idle. */
+	if (config->s0ix_enable) {
+		reg32 = read32(pmcbase + CPPMVRIC);
+		reg32 |= XTALSDQDIS;
+		write32(pmcbase + CPPMVRIC, reg32);
+	}
+
+	pch_handle_sideband(config);
+
+	pmc_clear_pmcon_sts();
+}
+
+static void soc_finalize(void *unused)
+{
+	printk(BIOS_DEBUG, "Finalizing chipset.\n");
+
+	pch_finalize();
+
+	printk(BIOS_DEBUG, "Finalizing SMM.\n");
+	outb(APM_CNT_FINALIZE, APM_CNT);
+
+	/* Indicate finalize step with post code */
+	post_code(POST_OS_BOOT);
+}
+
+BOOT_STATE_INIT_ENTRY(BS_OS_RESUME, BS_ON_ENTRY, soc_finalize, NULL);
+BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_LOAD, BS_ON_EXIT, soc_finalize, NULL);
diff --git a/src/soc/intel/tigerlake/fsp_params.c b/src/soc/intel/tigerlake/fsp_params.c
new file mode 100644
index 0000000000..18985a6495
--- /dev/null
+++ b/src/soc/intel/tigerlake/fsp_params.c
@@ -0,0 +1,46 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <console/console.h>
+#include <fsp/api.h>
+#include <soc/ramstage.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
+};
+
+/* UPD parameters to be initialized before SiliconInit */
+void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
+{
+	/* TODO: Update with UPD override as FSP matures */
+}
+
+/* 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;
+}
diff --git a/src/soc/intel/tigerlake/gpio.c b/src/soc/intel/tigerlake/gpio.c
new file mode 100644
index 0000000000..4a5880b824
--- /dev/null
+++ b/src/soc/intel/tigerlake/gpio.c
@@ -0,0 +1,212 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/*
+ * This file is created based on Intel Tiger Lake Processor PCH Datasheet
+ * Document number: 575857
+ * Chapter number: 27
+ */
+
+#include <intelblocks/gpio.h>
+#include <intelblocks/pcr.h>
+#include <soc/pcr_ids.h>
+#include <soc/pmc.h>
+
+static const struct reset_mapping rst_map[] = {
+	{ .logical = PAD_CFG0_LOGICAL_RESET_RSMRST, .chipset = 0U << 30 },
+	{ .logical = PAD_CFG0_LOGICAL_RESET_DEEP, .chipset = 1U << 30 },
+	{ .logical = PAD_CFG0_LOGICAL_RESET_PLTRST, .chipset = 2U << 30 },
+};
+
+static const struct reset_mapping rst_map_com0[] = {
+	{ .logical = PAD_CFG0_LOGICAL_RESET_PWROK, .chipset = 0U << 30 },
+	{ .logical = PAD_CFG0_LOGICAL_RESET_DEEP, .chipset = 1U << 30 },
+	{ .logical = PAD_CFG0_LOGICAL_RESET_PLTRST, .chipset = 2U << 30 },
+	{ .logical = PAD_CFG0_LOGICAL_RESET_RSMRST, .chipset = 3U << 30 },
+};
+
+/*
+ * The GPIO driver for Tigerlake on Windows/Linux expects 32 GPIOs per pad
+ * group, regardless of whether or not there is a physical pad for each
+ * exposed GPIO number.
+ *
+ * This results in the OS having a sparse GPIO map, and devices that need
+ * to export an ACPI GPIO must use the OS expected number.
+ *
+ * Not all pins are usable as GPIO and those groups do not have a pad base.
+ *
+ * This layout matches the Linux kernel pinctrl map for CNL-LP at:
+ * linux/drivers/pinctrl/intel/pinctrl-tigerlake.c
+ */
+static const struct pad_group tgl_community0_groups[] = {
+	INTEL_GPP_BASE(GPP_G0, GPP_G0, GPP_G7, 0),		/* GPP_G */
+	INTEL_GPP_BASE(GPP_G0, GPP_B0, GPP_B23, 32),		/* GPP_B */
+	INTEL_GPP(GPP_G0, GPIO_RSVD_0, GPIO_RSVD_1),
+	INTEL_GPP_BASE(GPP_G0, GPP_A0, GPP_A23, 64),		/* GPP_A */
+};
+
+static const struct pad_group tgl_community1_groups[] = {
+	INTEL_GPP_BASE(GPP_H0, GPP_H0, GPP_H23, 96),		/* GPP_H */
+	INTEL_GPP_BASE(GPP_H0, GPP_D0, GPIO_RSVD_2, 128),	/* GPP_D */
+	INTEL_GPP_BASE(GPP_H0, GPP_F0, GPP_F19, 160),		/* GPP_F */
+};
+
+/* This community is not visible to the OS */
+static const struct pad_group tgl_community2_groups[] = {
+	INTEL_GPP(GPD0, GPD0, GPD11),				/* GPD */
+};
+
+
+static const struct pad_group tgl_community4_groups[] = {
+	INTEL_GPP_BASE(GPP_C0, GPP_C0, GPP_C23, 224),		/* GPP_C */
+	INTEL_GPP_BASE(GPP_C0, GPP_E0, GPP_E23, 256),		/* GPP_E */
+	INTEL_GPP(GPP_C0, GPIO_RSVD_3, GPIO_RSVD_8),
+};
+
+
+static const struct pad_group tgl_community5_groups[] = {
+	INTEL_GPP_BASE(GPP_R0, GPP_R0, GPP_R7, 288),		/* GPP_R */
+	INTEL_GPP_BASE(GPP_C0, GPP_S0, GPP_S7, 320),		/* GPP_S */
+};
+
+static const struct pad_community tgl_communities[TOTAL_GPIO_COMM] = {
+	/* GPP G, B, A */
+	[COMM_0] = {
+		.port = PID_GPIOCOM0,
+		.first_pad = GPP_G0,
+		.last_pad = GPP_A23,
+		.num_gpi_regs = NUM_GPIO_COM0_GPI_REGS,
+		.pad_cfg_base = PAD_CFG_BASE,
+		.host_own_reg_0 = HOSTSW_OWN_REG_0,
+		.gpi_int_sts_reg_0 = GPI_INT_STS_0,
+		.gpi_int_en_reg_0 = GPI_INT_EN_0,
+		.gpi_smi_sts_reg_0 = GPI_SMI_STS_0,
+		.gpi_smi_en_reg_0 = GPI_SMI_EN_0,
+		.max_pads_per_group = GPIO_MAX_NUM_PER_GROUP,
+		.name = "GPP_GBA",
+		.acpi_path = "\\_SB.PCI0.GPIO",
+		.reset_map = rst_map_com0,
+		.num_reset_vals = ARRAY_SIZE(rst_map_com0),
+		.groups = tgl_community0_groups,
+		.num_groups = ARRAY_SIZE(tgl_community0_groups),
+	},
+	/* GPP H, D, F */
+	[COMM_1] = {
+		.port = PID_GPIOCOM1,
+		.first_pad = GPP_H0,
+		.last_pad = GPP_F19,
+		.num_gpi_regs = NUM_GPIO_COM1_GPI_REGS,
+		.pad_cfg_base = PAD_CFG_BASE,
+		.host_own_reg_0 = HOSTSW_OWN_REG_0,
+		.gpi_int_sts_reg_0 = GPI_INT_STS_0,
+		.gpi_int_en_reg_0 = GPI_INT_EN_0,
+		.gpi_smi_sts_reg_0 = GPI_SMI_STS_0,
+		.gpi_smi_en_reg_0 = GPI_SMI_EN_0,
+		.max_pads_per_group = GPIO_MAX_NUM_PER_GROUP,
+		.name = "GPP_HDF",
+		.acpi_path = "\\_SB.PCI0.GPIO",
+		.reset_map = rst_map,
+		.num_reset_vals = ARRAY_SIZE(rst_map),
+		.groups = tgl_community1_groups,
+		.num_groups = ARRAY_SIZE(tgl_community1_groups),
+	},
+	 /* GPD */
+	[COMM_2] = {
+		.port = PID_GPIOCOM2,
+		.first_pad = GPD0,
+		.last_pad = GPD11,
+		.num_gpi_regs = NUM_GPIO_COM2_GPI_REGS,
+		.pad_cfg_base = PAD_CFG_BASE,
+		.host_own_reg_0 = HOSTSW_OWN_REG_0,
+		.gpi_int_sts_reg_0 = GPI_INT_STS_0,
+		.gpi_int_en_reg_0 = GPI_INT_EN_0,
+		.gpi_smi_sts_reg_0 = GPI_SMI_STS_0,
+		.gpi_smi_en_reg_0 = GPI_SMI_EN_0,
+		.max_pads_per_group = GPIO_MAX_NUM_PER_GROUP,
+		.name = "GPD",
+		.acpi_path = "\\_SB.PCI0.GPIO",
+		.reset_map = rst_map,
+		.num_reset_vals = ARRAY_SIZE(rst_map),
+		.groups = tgl_community2_groups,
+		.num_groups = ARRAY_SIZE(tgl_community2_groups),
+	},
+	/* GPP C, E */
+	[COMM_3] = {
+		.port = PID_GPIOCOM4,
+		.first_pad = GPP_C0,
+		.last_pad = GPP_E23,
+		.num_gpi_regs = NUM_GPIO_COM4_GPI_REGS,
+		.pad_cfg_base = PAD_CFG_BASE,
+		.host_own_reg_0 = HOSTSW_OWN_REG_0,
+		.gpi_int_sts_reg_0 = GPI_INT_STS_0,
+		.gpi_int_en_reg_0 = GPI_INT_EN_0,
+		.gpi_smi_sts_reg_0 = GPI_SMI_STS_0,
+		.gpi_smi_en_reg_0 = GPI_SMI_EN_0,
+		.max_pads_per_group = GPIO_MAX_NUM_PER_GROUP,
+		.name = "GPP_CE",
+		.acpi_path = "\\_SB.PCI0.GPIO",
+		.reset_map = rst_map,
+		.num_reset_vals = ARRAY_SIZE(rst_map),
+		.groups = tgl_community4_groups,
+		.num_groups = ARRAY_SIZE(tgl_community4_groups),
+	},
+	/* GPP R, S */
+	[COMM_4] = {
+		.port = PID_GPIOCOM5,
+		.first_pad = GPP_R0,
+		.last_pad = GPP_S7,
+		.num_gpi_regs = NUM_GPIO_COM5_GPI_REGS,
+		.pad_cfg_base = PAD_CFG_BASE,
+		.host_own_reg_0 = HOSTSW_OWN_REG_0,
+		.gpi_int_sts_reg_0 = GPI_INT_STS_0,
+		.gpi_int_en_reg_0 = GPI_INT_EN_0,
+		.gpi_smi_sts_reg_0 = GPI_SMI_STS_0,
+		.gpi_smi_en_reg_0 = GPI_SMI_EN_0,
+		.max_pads_per_group = GPIO_MAX_NUM_PER_GROUP,
+		.name = "GPP_RS",
+		.acpi_path = "\\_SB.PCI0.GPIO",
+		.reset_map = rst_map,
+		.num_reset_vals = ARRAY_SIZE(rst_map),
+		.groups = tgl_community5_groups,
+		.num_groups = ARRAY_SIZE(tgl_community5_groups),
+	}
+};
+
+const struct pad_community *soc_gpio_get_community(size_t *num_communities)
+{
+	*num_communities = ARRAY_SIZE(tgl_communities);
+	return tgl_communities;
+}
+
+const struct pmc_to_gpio_route *soc_pmc_gpio_routes(size_t *num)
+{
+	static const struct pmc_to_gpio_route routes[] = {
+		{ PMC_GPP_G, GPP_G },
+		{ PMC_GPP_B, GPP_B },
+		{ PMC_GPP_A, GPP_A },
+		{ PMC_GPP_H, GPP_H },
+		{ PMC_GPP_D, GPP_D },
+		{ PMC_GPP_F, GPP_F },
+		{ PMC_GPD, GPD },
+		{ PMC_GPP_C, GPP_C },
+		{ PMC_GPP_E, GPP_E },
+		{ PMC_GPP_R, GPP_R },
+		{ PMC_GPP_S, GPP_S }
+
+	};
+	*num = ARRAY_SIZE(routes);
+	return routes;
+}
diff --git a/src/soc/intel/tigerlake/graphics.c b/src/soc/intel/tigerlake/graphics.c
new file mode 100644
index 0000000000..c215384f10
--- /dev/null
+++ b/src/soc/intel/tigerlake/graphics.c
@@ -0,0 +1,94 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/*
+ * This file is created based on Intel Tiger Lake Processor SA Datasheet
+ * Document number: 571131
+ * Chapter number: 4
+ */
+
+#include <arch/acpi.h>
+#include <console/console.h>
+#include <fsp/util.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ops.h>
+#include <drivers/intel/gma/i915_reg.h>
+#include <drivers/intel/gma/opregion.h>
+#include <intelblocks/graphics.h>
+#include <types.h>
+
+uintptr_t fsp_soc_get_igd_bar(void)
+{
+	return graphics_get_memory_base();
+}
+
+void graphics_soc_init(struct device *dev)
+{
+	uint32_t ddi_buf_ctl;
+
+	/* Skip IGD GT programming */
+	if (CONFIG(SKIP_GRAPHICS_ENABLING))
+		return;
+
+	/*
+	 * Enable DDI-A (eDP) 4-lane operation if the link is not up yet.
+	 * This will allow the kernel to use 4-lane eDP links properly
+	 * if the VBIOS or GOP driver do not execute.
+	 */
+	ddi_buf_ctl = graphics_gtt_read(DDI_BUF_CTL_A);
+	if (!acpi_is_wakeup_s3() && !(ddi_buf_ctl & DDI_BUF_CTL_ENABLE)) {
+		ddi_buf_ctl |= (DDI_A_4_LANES | DDI_INIT_DISPLAY_DETECTED |
+				DDI_BUF_IS_IDLE);
+		graphics_gtt_write(DDI_BUF_CTL_A, ddi_buf_ctl);
+	}
+
+	/*
+	 * GFX PEIM module inside FSP binary is taking care of graphics
+	 * initialization based on RUN_FSP_GOP Kconfig
+	 * option and input VBT file. Hence no need to load/execute legacy VGA
+	 * OpROM in order to initialize GFX.
+	 *
+	 * In case of non-FSP solution, SoC need to select VGA_ROM_RUN
+	 * Kconfig to perform GFX initialization through VGA OpRom.
+	 */
+	if (CONFIG(RUN_FSP_GOP))
+		return;
+
+	/* IGD needs to Bus Master */
+	uint32_t reg32 = pci_read_config32(dev, PCI_COMMAND);
+	reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO;
+	pci_write_config32(dev, PCI_COMMAND, reg32);
+
+	/* Initialize PCI device, load/execute BIOS Option ROM */
+	pci_dev_init(dev);
+}
+
+uintptr_t graphics_soc_write_acpi_opregion(struct device *device,
+		uintptr_t current, struct acpi_rsdp *rsdp)
+{
+	igd_opregion_t *opregion;
+
+	printk(BIOS_DEBUG, "ACPI:    * IGD OpRegion\n");
+	opregion = (igd_opregion_t *)current;
+
+	if (intel_gma_init_igd_opregion(opregion) != CB_SUCCESS)
+		return current;
+
+	current += sizeof(igd_opregion_t);
+
+	return acpi_align_current(current);
+}
diff --git a/src/soc/intel/tigerlake/gspi.c b/src/soc/intel/tigerlake/gspi.c
new file mode 100644
index 0000000000..2dc738ec97
--- /dev/null
+++ b/src/soc/intel/tigerlake/gspi.c
@@ -0,0 +1,37 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/*
+ * This file is created based on Intel Tiger Lake Processor PCH Datasheet
+ * Document number: 575857
+ * Chapter number: 11
+ */
+
+#include <intelblocks/gspi.h>
+#include <soc/pci_devs.h>
+
+int gspi_soc_bus_to_devfn(unsigned int gspi_bus)
+{
+	switch (gspi_bus) {
+	case 0:
+		return PCH_DEVFN_GSPI0;
+	case 1:
+		return PCH_DEVFN_GSPI1;
+	case 2:
+		return PCH_DEVFN_GSPI2;
+	}
+	return -1;
+}
diff --git a/src/soc/intel/tigerlake/i2c.c b/src/soc/intel/tigerlake/i2c.c
new file mode 100644
index 0000000000..3d00372d59
--- /dev/null
+++ b/src/soc/intel/tigerlake/i2c.c
@@ -0,0 +1,62 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/*
+ * This file is created based on Intel Tiger Lake Processor PCH Datasheet
+ * Document number: 575857
+ * Chapter number: 13
+ */
+
+#include <device/device.h>
+#include <drivers/i2c/designware/dw_i2c.h>
+#include <soc/pci_devs.h>
+
+int dw_i2c_soc_devfn_to_bus(unsigned int devfn)
+{
+	switch (devfn) {
+	case PCH_DEVFN_I2C0:
+		return 0;
+	case PCH_DEVFN_I2C1:
+		return 1;
+	case PCH_DEVFN_I2C2:
+		return 2;
+	case PCH_DEVFN_I2C3:
+		return 3;
+	case PCH_DEVFN_I2C4:
+		return 4;
+	case PCH_DEVFN_I2C5:
+		return 5;
+	}
+	return -1;
+}
+
+int dw_i2c_soc_bus_to_devfn(unsigned int bus)
+{
+	switch (bus) {
+	case 0:
+		return PCH_DEVFN_I2C0;
+	case 1:
+		return PCH_DEVFN_I2C1;
+	case 2:
+		return PCH_DEVFN_I2C2;
+	case 3:
+		return PCH_DEVFN_I2C3;
+	case 4:
+		return PCH_DEVFN_I2C4;
+	case 5:
+		return PCH_DEVFN_I2C5;
+	}
+	return -1;
+}
diff --git a/src/soc/intel/tigerlake/include/soc/cpu.h b/src/soc/intel/tigerlake/include/soc/cpu.h
new file mode 100644
index 0000000000..210e6993ed
--- /dev/null
+++ b/src/soc/intel/tigerlake/include/soc/cpu.h
@@ -0,0 +1,49 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _SOC_TIGERLAKE_CPU_H_
+#define _SOC_TIGERLAKE_CPU_H_
+
+#include <intelblocks/msr.h>
+
+/* Latency times in units of 32768ns */
+#define C_STATE_LATENCY_CONTROL_0_LIMIT	0x9d
+#define C_STATE_LATENCY_CONTROL_1_LIMIT	0x9d
+#define C_STATE_LATENCY_CONTROL_2_LIMIT	0x9d
+#define C_STATE_LATENCY_CONTROL_3_LIMIT	0x9d
+#define C_STATE_LATENCY_CONTROL_4_LIMIT	0x9d
+#define C_STATE_LATENCY_CONTROL_5_LIMIT	0x9d
+
+/* Power in units of mW */
+#define C1_POWER	0x3e8
+#define C6_POWER	0x15e
+#define C7_POWER	0xc8
+#define C8_POWER	0xc8
+#define C9_POWER	0xc8
+#define C10_POWER	0xc8
+
+/* Common Timer Copy (CTC) frequency - 38.4MHz. */
+#define CTC_FREQ	38400000
+
+#define C_STATE_LATENCY_MICRO_SECONDS(limit, base) \
+	(((1 << ((base)*5)) * (limit)) / 1000)
+#define C_STATE_LATENCY_FROM_LAT_REG(reg) \
+	C_STATE_LATENCY_MICRO_SECONDS(C_STATE_LATENCY_CONTROL_ ##reg## _LIMIT, \
+				      (IRTL_1024_NS >> 10))
+
+/* Configure power limits for turbo mode */
+void set_power_limits(u8 power_limit_1_time);
+
+#endif
diff --git a/src/soc/intel/tigerlake/include/soc/gpe.h b/src/soc/intel/tigerlake/include/soc/gpe.h
new file mode 100644
index 0000000000..d946e2af13
--- /dev/null
+++ b/src/soc/intel/tigerlake/include/soc/gpe.h
@@ -0,0 +1,134 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _SOC_GPE_H_
+#define _SOC_GPE_H_
+
+/* GPE_31_0 */
+#define GPE0_DW0_00		0
+#define GPE0_DW0_01		1
+#define GPE0_DW0_02		2
+#define GPE0_DW0_03		3
+#define GPE0_DW0_04		4
+#define GPE0_DW0_05		5
+#define GPE0_DW0_06		6
+#define GPE0_DW0_07		7
+#define GPE0_DW0_08		8
+#define GPE0_DW0_09		9
+#define GPE0_DW0_10		10
+#define GPE0_DW0_11		11
+#define GPE0_DW0_12		12
+#define GPE0_DW0_13		13
+#define GPE0_DW0_14		14
+#define GPE0_DW0_15		15
+#define GPE0_DW0_16		16
+#define GPE0_DW0_17		17
+#define GPE0_DW0_18		18
+#define GPE0_DW0_19		19
+#define GPE0_DW0_20		20
+#define GPE0_DW0_21		21
+#define GPE0_DW0_22		22
+#define GPE0_DW0_23		23
+#define GPE0_DW0_24		24
+#define GPE0_DW0_25		25
+#define GPE0_DW0_26		26
+#define GPE0_DW0_27		27
+#define GPE0_DW0_28		28
+#define GPE0_DW0_29		29
+#define GPE0_DW0_30		30
+#define GPE0_DW0_31		31
+/* GPE_63_32 */
+#define GPE0_DW1_00		32
+#define GPE0_DW1_01		33
+#define GPE0_DW1_02		34
+#define GPE0_DW1_03		36
+#define GPE0_DW1_04		36
+#define GPE0_DW1_05		37
+#define GPE0_DW1_06		38
+#define GPE0_DW1_07		39
+#define GPE0_DW1_08		40
+#define GPE0_DW1_09		41
+#define GPE0_DW1_10		42
+#define GPE0_DW1_11		43
+#define GPE0_DW1_12		44
+#define GPE0_DW1_13		45
+#define GPE0_DW1_14		46
+#define GPE0_DW1_15		47
+#define GPE0_DW1_16		48
+#define GPE0_DW1_17		49
+#define GPE0_DW1_18		50
+#define GPE0_DW1_19		51
+#define GPE0_DW1_20		52
+#define GPE0_DW1_21		53
+#define GPE0_DW1_22		54
+#define GPE0_DW1_23		55
+#define GPE0_DW1_24		56
+#define GPE0_DW1_25		57
+#define GPE0_DW1_26		58
+#define GPE0_DW1_27		59
+#define GPE0_DW1_28		60
+#define GPE0_DW1_29		61
+#define GPE0_DW1_30		62
+#define GPE0_DW1_31		63
+/* GPE_95_64 */
+#define GPE0_DW2_00		64
+#define GPE0_DW2_01		65
+#define GPE0_DW2_02		66
+#define GPE0_DW2_03		67
+#define GPE0_DW2_04		68
+#define GPE0_DW2_05		69
+#define GPE0_DW2_06		70
+#define GPE0_DW2_07		71
+#define GPE0_DW2_08		72
+#define GPE0_DW2_09		73
+#define GPE0_DW2_10		74
+#define GPE0_DW2_11		75
+#define GPE0_DW2_12		76
+#define GPE0_DW2_13		77
+#define GPE0_DW2_14		78
+#define GPE0_DW2_15		79
+#define GPE0_DW2_16		80
+#define GPE0_DW2_17		81
+#define GPE0_DW2_18		82
+#define GPE0_DW2_19		83
+#define GPE0_DW2_20		84
+#define GPE0_DW2_21		85
+#define GPE0_DW2_22		86
+#define GPE0_DW2_23		87
+#define GPE0_DW2_24		88
+#define GPE0_DW2_25		89
+#define GPE0_DW2_26		90
+#define GPE0_DW2_27		91
+#define GPE0_DW2_28		92
+#define GPE0_DW2_29		93
+#define GPE0_DW2_30		94
+#define GPE0_DW2_31		95
+/* GPE_STD */
+#define GPE0_HOT_PLUG		97
+#define GPE0_SWGPE		98
+#define GPE0_TCOSCI		102
+#define GPE0_SMB_WAK		103
+#define GPE0_PCI_EXP		105
+#define GPE0_BATLOW		106
+#define GPE0_PME		107
+#define GPE0_ME_SCI		108
+#define GPE0_PME_B0		109
+#define GPE0_ESPI		110
+#define GPE0_GPIO_T2		111
+#define GPE0_LAN_WAK		112
+#define GPE0_WADT		114
+
+#define GPE_MAX			GPE0_WADT
+#endif /* _SOC_GPE_H_ */
diff --git a/src/soc/intel/tigerlake/include/soc/gpio.h b/src/soc/intel/tigerlake/include/soc/gpio.h
new file mode 100644
index 0000000000..4b359b7452
--- /dev/null
+++ b/src/soc/intel/tigerlake/include/soc/gpio.h
@@ -0,0 +1,24 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _SOC_TIGERLAKE_GPIO_H_
+#define _SOC_TIGERLAKE_GPIO_H_
+
+#include <soc/gpio_defs.h>
+#include <intelblocks/gpio.h>
+
+#define CROS_GPIO_DEVICE_NAME	"INT3455:00"
+
+#endif
diff --git a/src/soc/intel/tigerlake/include/soc/gpio_defs.h b/src/soc/intel/tigerlake/include/soc/gpio_defs.h
new file mode 100644
index 0000000000..bffebcd312
--- /dev/null
+++ b/src/soc/intel/tigerlake/include/soc/gpio_defs.h
@@ -0,0 +1,276 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _SOC_TIGERLAKE_GPIO_DEFS_H_
+#define _SOC_TIGERLAKE_GPIO_DEFS_H_
+
+#ifndef __ACPI__
+#include <stddef.h>
+#endif
+#include <soc/gpio_soc_defs.h>
+
+
+#define GPIO_NUM_PAD_CFG_REGS   4 /* DW0, DW1, DW2, DW3 */
+
+#define NUM_GPIO_COMx_GPI_REGS(n)	\
+		(ALIGN_UP((n), GPIO_MAX_NUM_PER_GROUP) / GPIO_MAX_NUM_PER_GROUP)
+
+#define NUM_GPIO_COM0_GPI_REGS NUM_GPIO_COMx_GPI_REGS(NUM_GPIO_COM0_PADS)
+#define NUM_GPIO_COM1_GPI_REGS NUM_GPIO_COMx_GPI_REGS(NUM_GPIO_COM1_PADS)
+#define NUM_GPIO_COM2_GPI_REGS NUM_GPIO_COMx_GPI_REGS(NUM_GPIO_COM2_PADS)
+#define NUM_GPIO_COM4_GPI_REGS NUM_GPIO_COMx_GPI_REGS(NUM_GPIO_COM4_PADS)
+#define NUM_GPIO_COM5_GPI_REGS NUM_GPIO_COMx_GPI_REGS(NUM_GPIO_COM5_PADS)
+
+#define NUM_GPI_STATUS_REGS	\
+		((NUM_GPIO_COM0_GPI_REGS) +\
+		(NUM_GPIO_COM1_GPI_REGS) +\
+		(NUM_GPIO_COM2_GPI_REGS) +\
+		(NUM_GPIO_COM4_GPI_REGS) +\
+		(NUM_GPIO_COM5_GPI_REGS))
+/*
+ * IOxAPIC IRQs for the GPIOs
+ */
+
+/* Group G */
+#define GPP_G0_IRQ				0x18
+#define GPP_G1_IRQ				0x19
+#define GPP_G2_IRQ				0x1a
+#define GPP_G3_IRQ				0x1b
+#define GPP_G4_IRQ				0x1c
+#define GPP_G5_IRQ				0x1d
+#define GPP_G6_IRQ				0x1e
+#define GPP_G7_IRQ				0x1f
+
+/* Group B */
+#define GPP_B0_IRQ				0x20
+#define GPP_B1_IRQ				0x21
+#define GPP_B2_IRQ				0x22
+#define GPP_B3_IRQ				0x23
+#define GPP_B4_IRQ				0x24
+#define GPP_B5_IRQ				0x25
+#define GPP_B6_IRQ				0x26
+#define GPP_B7_IRQ				0x27
+#define GPP_B8_IRQ				0x28
+#define GPP_B9_IRQ				0x29
+#define GPP_B10_IRQ				0x2a
+#define GPP_B11_IRQ				0x2b
+#define GPP_B12_IRQ				0x2c
+#define GPP_B13_IRQ				0x2d
+#define GPP_B14_IRQ				0x2e
+#define GPP_B15_IRQ				0x2f
+#define GPP_B16_IRQ				0x30
+#define GPP_B17_IRQ				0x31
+#define GPP_B18_IRQ				0x32
+#define GPP_B19_IRQ				0x33
+#define GPP_B20_IRQ				0x34
+#define GPP_B21_IRQ				0x35
+#define GPP_B22_IRQ				0x36
+#define GPP_B23_IRQ				0x37
+
+/* Group A */
+#define GPP_A0_IRQ				0x38
+#define GPP_A1_IRQ				0x39
+#define GPP_A2_IRQ				0x3a
+#define GPP_A3_IRQ				0x3b
+#define GPP_A4_IRQ				0x3c
+#define GPP_A5_IRQ				0x3d
+#define GPP_A6_IRQ				0x3e
+#define GPP_A7_IRQ				0x3f
+#define GPP_A8_IRQ				0x40
+#define GPP_A9_IRQ				0x41
+#define GPP_A10_IRQ				0x42
+#define GPP_A11_IRQ				0x43
+#define GPP_A12_IRQ				0x44
+#define GPP_A13_IRQ				0x45
+#define GPP_A14_IRQ				0x46
+#define GPP_A15_IRQ				0x47
+#define GPP_A16_IRQ				0x48
+#define GPP_A17_IRQ				0x49
+#define GPP_A18_IRQ				0x4a
+#define GPP_A19_IRQ				0x4b
+#define GPP_A20_IRQ				0x4c
+#define GPP_A21_IRQ				0x4d
+#define GPP_A22_IRQ				0x4e
+#define GPP_A23_IRQ				0x4f
+
+/* Group H */
+#define GPP_H0_IRQ				0x70
+#define GPP_H1_IRQ				0x71
+#define GPP_H2_IRQ				0x72
+#define GPP_H3_IRQ				0x73
+#define GPP_H4_IRQ				0x74
+#define GPP_H5_IRQ				0x75
+#define GPP_H6_IRQ				0x76
+#define GPP_H7_IRQ				0x77
+#define GPP_H8_IRQ				0x18
+#define GPP_H9_IRQ				0x19
+#define GPP_H10_IRQ				0x1a
+#define GPP_H11_IRQ				0x1b
+#define GPP_H12_IRQ				0x1c
+#define GPP_H13_IRQ				0x1d
+#define GPP_H14_IRQ				0x1e
+#define GPP_H15_IRQ				0x1f
+#define GPP_H16_IRQ				0x20
+#define GPP_H17_IRQ				0x21
+#define GPP_H18_IRQ				0x22
+#define GPP_H19_IRQ				0x23
+#define GPP_H20_IRQ				0x24
+#define GPP_H21_IRQ				0x25
+#define GPP_H22_IRQ				0x26
+#define GPP_H23_IRQ				0x27
+
+/* Group D */
+#define GPP_D0_IRQ				0x28
+#define GPP_D1_IRQ				0x29
+#define GPP_D2_IRQ				0x2a
+#define GPP_D3_IRQ				0x2b
+#define GPP_D4_IRQ				0x2c
+#define GPP_D5_IRQ				0x2d
+#define GPP_D6_IRQ				0x2e
+#define GPP_D7_IRQ				0x2f
+#define GPP_D8_IRQ				0x30
+#define GPP_D9_IRQ				0x31
+#define GPP_D10_IRQ				0x32
+#define GPP_D11_IRQ				0x33
+#define GPP_D12_IRQ				0x34
+#define GPP_D13_IRQ				0x35
+#define GPP_D14_IRQ				0x36
+#define GPP_D15_IRQ				0x37
+#define GPP_D16_IRQ				0x38
+#define GPP_D17_IRQ				0x39
+#define GPP_D18_IRQ				0x3a
+#define GPP_D19_IRQ				0x3b
+
+/* Group F */
+#define GPP_F0_IRQ				0x40
+#define GPP_F1_IRQ				0x41
+#define GPP_F2_IRQ				0x42
+#define GPP_F3_IRQ				0x43
+#define GPP_F4_IRQ				0x44
+#define GPP_F5_IRQ				0x45
+#define GPP_F6_IRQ				0x46
+#define GPP_F7_IRQ				0x47
+#define GPP_F8_IRQ				0x48
+#define GPP_F9_IRQ				0x49
+#define GPP_F10_IRQ				0x4a
+#define GPP_F11_IRQ				0x4b
+#define GPP_F12_IRQ				0x4c
+#define GPP_F13_IRQ				0x4d
+#define GPP_F14_IRQ				0x4e
+#define GPP_F15_IRQ				0x4f
+#define GPP_F16_IRQ				0x50
+#define GPP_F17_IRQ				0x51
+#define GPP_F18_IRQ				0x52
+#define GPP_F19_IRQ				0x53
+
+/* Group GPD */
+#define GPD0_IRQ				0x64
+#define GPD1_IRQ				0x65
+#define GPD2_IRQ				0x66
+#define GPD3_IRQ				0x67
+#define GPD4_IRQ				0x68
+#define GPD5_IRQ				0x69
+#define GPD6_IRQ				0x6a
+#define GPD7_IRQ				0x6b
+#define GPD8_IRQ				0x6c
+#define GPD9_IRQ				0x6d
+#define GPD10_IRQ				0x6e
+#define GPD11_IRQ				0x6f
+
+/* Group C */
+#define GPP_C0_IRQ				0x5a
+#define GPP_C1_IRQ				0x5b
+#define GPP_C2_IRQ				0x5c
+#define GPP_C3_IRQ				0x5d
+#define GPP_C4_IRQ				0x5e
+#define GPP_C5_IRQ				0x5f
+#define GPP_C6_IRQ				0x60
+#define GPP_C7_IRQ				0x61
+#define GPP_C8_IRQ				0x62
+#define GPP_C9_IRQ				0x63
+#define GPP_C10_IRQ				0x64
+#define GPP_C11_IRQ				0x65
+#define GPP_C12_IRQ				0x66
+#define GPP_C13_IRQ				0x67
+#define GPP_C14_IRQ				0x68
+#define GPP_C15_IRQ				0x69
+#define GPP_C16_IRQ				0x6a
+#define GPP_C17_IRQ				0x6b
+#define GPP_C18_IRQ				0x6c
+#define GPP_C19_IRQ				0x6d
+#define GPP_C20_IRQ				0x6e
+#define GPP_C21_IRQ				0x6f
+#define GPP_C22_IRQ				0x70
+#define GPP_C23_IRQ				0x71
+/* Group E */
+#define GPP_E0_IRQ				0x72
+#define GPP_E1_IRQ				0x73
+#define GPP_E2_IRQ				0x74
+#define GPP_E3_IRQ				0x75
+#define GPP_E4_IRQ				0x76
+#define GPP_E5_IRQ				0x77
+#define GPP_E6_IRQ				0x18
+#define GPP_E7_IRQ				0x19
+#define GPP_E8_IRQ				0x1a
+#define GPP_E9_IRQ				0x1b
+#define GPP_E10_IRQ				0x1c
+#define GPP_E11_IRQ				0x1d
+#define GPP_E12_IRQ				0x1e
+#define GPP_E13_IRQ				0x1f
+#define GPP_E14_IRQ				0x20
+#define GPP_E15_IRQ				0x21
+#define GPP_E16_IRQ				0x22
+#define GPP_E17_IRQ				0x23
+#define GPP_E18_IRQ				0x24
+#define GPP_E19_IRQ				0x25
+#define GPP_E20_IRQ				0x26
+#define GPP_E21_IRQ				0x27
+#define GPP_E22_IRQ				0x28
+#define GPP_E23_IRQ				0x29
+
+/* Group R*/
+#define GPP_R0_IRQ				0x50
+#define GPP_R1_IRQ				0x51
+#define GPP_R2_IRQ				0x52
+#define GPP_R3_IRQ				0x53
+#define GPP_R4_IRQ				0x54
+#define GPP_R5_IRQ				0x55
+#define GPP_R6_IRQ				0x56
+#define GPP_R7_IRQ				0x57
+
+/* Group S */
+#define GPP_S0_IRQ				0x5c
+#define GPP_S1_IRQ				0x5d
+#define GPP_S2_IRQ				0x5e
+#define GPP_S3_IRQ				0x5f
+#define GPP_S4_IRQ				0x60
+#define GPP_S5_IRQ				0x61
+#define GPP_S6_IRQ				0x62
+#define GPP_S7_IRQ				0x63
+
+/* Register defines. */
+#define GPIO_MISCCFG				0x10
+#define  GPE_DW_SHIFT				8
+#define  GPE_DW_MASK				0xfff00
+#define HOSTSW_OWN_REG_0			0xb0
+#define GPI_INT_STS_0				0x100
+#define GPI_INT_EN_0				0x110
+#define GPI_SMI_STS_0				0x180
+#define GPI_SMI_EN_0				0x1A0
+#define PAD_CFG_BASE				0x600
+
+#define GPIORXSTATE_MASK			0x1
+#define GPIORXSTATE_SHIFT			1
+#endif
diff --git a/src/soc/intel/tigerlake/include/soc/gpio_soc_defs.h b/src/soc/intel/tigerlake/include/soc/gpio_soc_defs.h
new file mode 100644
index 0000000000..f0f2b11979
--- /dev/null
+++ b/src/soc/intel/tigerlake/include/soc/gpio_soc_defs.h
@@ -0,0 +1,292 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _SOC_TIGERLAKE_GPIO_SOC_DEFS_H_
+#define _SOC_TIGERLAKE_GPIO_SOC_DEFS_H_
+
+/*
+ * Most of the fixed numbers and macros are based on the GPP groups.
+ * The GPIO groups are accessed through register blocks called
+ * communities.
+ */
+#define GPP_G			0x0
+#define GPP_B			0x1
+#define GPP_A			0x2
+#define GPP_R			0x3
+#define GPP_S			0x4
+#define GPD			0x5
+#define GPP_H			0x6
+#define GPP_D			0x7
+#define GPP_F			0x8
+#define GPP_VGPIO		0x9
+#define GPP_C			0xA
+#define GPP_E			0xB
+
+#define GPIO_NUM_GROUPS		11
+#define GPIO_MAX_NUM_PER_GROUP	24
+
+/*
+ * GPIOs are ordered monotonically increasing to match ACPI/OS driver.
+ */
+
+/* Group G */
+#define GPP_G0		0
+#define GPP_G1		1
+#define GPP_G2		2
+#define GPP_G3		3
+#define GPP_G4		4
+#define GPP_G5		5
+#define GPP_G6		6
+#define GPP_G7		7
+
+/* Group B */
+#define GPP_B0		8
+#define GPP_B1		9
+#define GPP_B2		10
+#define GPP_B3		11
+#define GPP_B4		12
+#define GPP_B5		13
+#define GPP_B6		14
+#define GPP_B7		15
+#define GPP_B8		16
+#define GPP_B9		17
+#define GPP_B10		18
+#define GPP_B11		19
+#define GPP_B12		20
+#define GPP_B13		21
+#define GPP_B14		22
+#define GPP_B15		23
+#define GPP_B16		24
+#define GPP_B17		25
+#define GPP_B18		26
+#define GPP_B19		27
+#define GPP_B20		28
+#define GPP_B21		29
+#define GPP_B22		30
+#define GPP_B23		31
+#define GPIO_RSVD_0	32
+#define GPIO_RSVD_1	33
+
+/* Group A */
+#define GPP_A0		34
+#define GPP_A1		35
+#define GPP_A2		36
+#define GPP_A3		37
+#define GPP_A4		38
+#define GPP_A5		39
+#define GPP_A6		40
+#define GPP_A7		41
+#define GPP_A8		42
+#define GPP_A9		43
+#define GPP_A10		44
+#define GPP_A11		45
+#define GPP_A12		46
+#define GPP_A13		47
+#define GPP_A14		48
+#define GPP_A15		49
+#define GPP_A16		50
+#define GPP_A17		51
+#define GPP_A18		52
+#define GPP_A19		53
+#define GPP_A20		54
+#define GPP_A21		55
+#define GPP_A22		56
+#define GPP_A23		57
+
+#define NUM_GPIO_COM0_PADS	(GPP_A23 - GPP_G0 + 1)
+
+/* Group H */
+#define GPP_H0		58
+#define GPP_H1		59
+#define GPP_H2		60
+#define GPP_H3		61
+#define GPP_H4		62
+#define GPP_H5		63
+#define GPP_H6		64
+#define GPP_H7		65
+#define GPP_H8		66
+#define GPP_H9		67
+#define GPP_H10		68
+#define GPP_H11		69
+#define GPP_H12		70
+#define GPP_H13		71
+#define GPP_H14		72
+#define GPP_H15		73
+#define GPP_H16		74
+#define GPP_H17		75
+#define GPP_H18		76
+#define GPP_H19		77
+#define GPP_H20		78
+#define GPP_H21		79
+#define GPP_H22		80
+#define GPP_H23		81
+
+/* Group D */
+#define GPP_D0		82
+#define GPP_D1		83
+#define GPP_D2		84
+#define GPP_D3		85
+#define GPP_D4		86
+#define GPP_D5		87
+#define GPP_D6		88
+#define GPP_D7		89
+#define GPP_D8		90
+#define GPP_D9		91
+#define GPP_D10		92
+#define GPP_D11		93
+#define GPP_D12		94
+#define GPP_D13		95
+#define GPP_D14		96
+#define GPP_D15		97
+#define GPP_D16		98
+#define GPP_D17		99
+#define GPP_D18		100
+#define GPP_D19		101
+#define GPIO_RSVD_2	102
+
+/* Group F */
+#define GPP_F0		103
+#define GPP_F1		104
+#define GPP_F2		105
+#define GPP_F3		106
+#define GPP_F4		107
+#define GPP_F5		108
+#define GPP_F6		109
+#define GPP_F7		110
+#define GPP_F8		111
+#define GPP_F9		112
+#define GPP_F10		113
+#define GPP_F11		114
+#define GPP_F12		115
+#define GPP_F13		116
+#define GPP_F14		117
+#define GPP_F15		118
+#define GPP_F16		119
+#define GPP_F17		120
+#define GPP_F18		121
+#define GPP_F19		122
+
+#define NUM_GPIO_COM1_PADS	(GPP_F19 - GPP_H0 + 1)
+
+
+/* Group GPD  */
+#define GPD0		123
+#define GPD1		124
+#define GPD2		125
+#define GPD3		126
+#define GPD4		127
+#define GPD5		128
+#define GPD6		129
+#define GPD7		130
+#define GPD8		131
+#define GPD9		132
+#define GPD10		133
+#define GPD11		134
+
+#define NUM_GPIO_COM2_PADS	(GPD11 - GPD0 + 1)
+
+
+/* Group C */
+#define GPP_C0		135
+#define GPP_C1		136
+#define GPP_C2		137
+#define GPP_C3		138
+#define GPP_C4		139
+#define GPP_C5		140
+#define GPP_C6		141
+#define GPP_C7		142
+#define GPP_C8		143
+#define GPP_C9		144
+#define GPP_C10		145
+#define GPP_C11		146
+#define GPP_C12		147
+#define GPP_C13		148
+#define GPP_C14		149
+#define GPP_C15		150
+#define GPP_C16		151
+#define GPP_C17		152
+#define GPP_C18		153
+#define GPP_C19		154
+#define GPP_C20		155
+#define GPP_C21		156
+#define GPP_C22		157
+#define GPP_C23		158
+#define GPIO_RSVD_3	159
+#define GPIO_RSVD_4	160
+#define GPIO_RSVD_5	161
+#define GPIO_RSVD_6	162
+#define GPIO_RSVD_7	163
+#define GPIO_RSVD_8	164
+
+/* Group E */
+#define GPP_E0		165
+#define GPP_E1		166
+#define GPP_E2		167
+#define GPP_E3		168
+#define GPP_E4		169
+#define GPP_E5		170
+#define GPP_E6		171
+#define GPP_E7		172
+#define GPP_E8		173
+#define GPP_E9		174
+#define GPP_E10		175
+#define GPP_E11		176
+#define GPP_E12		177
+#define GPP_E13		178
+#define GPP_E14		179
+#define GPP_E15		180
+#define GPP_E16		181
+#define GPP_E17		182
+#define GPP_E18		183
+#define GPP_E19		184
+#define GPP_E20		185
+#define GPP_E21		186
+#define GPP_E22		187
+#define GPP_E23		188
+
+#define NUM_GPIO_COM4_PADS	(GPP_E23 - GPP_C0 + 1)
+
+/* Group R*/
+#define GPP_R0		189
+#define GPP_R1		190
+#define GPP_R2		191
+#define GPP_R3		192
+#define GPP_R4		193
+#define GPP_R5		194
+#define GPP_R6		195
+#define GPP_R7		196
+
+/* Group S */
+#define GPP_S0		197
+#define GPP_S1		198
+#define GPP_S2		199
+#define GPP_S3		200
+#define GPP_S4		201
+#define GPP_S5		202
+#define GPP_S6		203
+#define GPP_S7		204
+
+#define NUM_GPIO_COM5_PADS	(GPP_S7 - GPP_R0 + 1)
+
+#define TOTAL_PADS	205
+
+#define COMM_0		0
+#define COMM_1		1
+#define COMM_2		2
+#define COMM_3		3
+#define COMM_4		4
+#define TOTAL_GPIO_COMM	5
+
+#endif
diff --git a/src/soc/intel/tigerlake/include/soc/irq.h b/src/soc/intel/tigerlake/include/soc/irq.h
new file mode 100644
index 0000000000..2f980ff472
--- /dev/null
+++ b/src/soc/intel/tigerlake/include/soc/irq.h
@@ -0,0 +1,106 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _SOC_IRQ_H_
+#define _SOC_IRQ_H_
+
+#define GPIO_IRQ14 14
+#define GPIO_IRQ15 15
+
+#define PCH_IRQ10 10
+#define PCH_IRQ11 11
+
+#define SCI_IRQ9 9
+#define SCI_IRQ10 10
+#define SCI_IRQ11 11
+#define SCI_IRQ20 20
+#define SCI_IRQ21 21
+#define SCI_IRQ22 22
+#define SCI_IRQ23 23
+
+#define TCO_IRQ9 9
+#define TCO_IRQ10 10
+#define TCO_IRQ11 11
+#define TCO_IRQ20 20
+#define TCO_IRQ21 21
+#define TCO_IRQ22 22
+#define TCO_IRQ23 23
+
+#define LPSS_I2C0_IRQ 16
+#define LPSS_I2C1_IRQ 17
+#define LPSS_I2C2_IRQ 18
+#define LPSS_I2C3_IRQ 19
+#define LPSS_I2C4_IRQ 32
+#define LPSS_I2C5_IRQ 33
+#define LPSS_SPI0_IRQ 22
+#define LPSS_SPI1_IRQ 23
+#define LPSS_SPI2_IRQ 24
+#define LPSS_UART0_IRQ 20
+#define LPSS_UART1_IRQ 21
+#define LPSS_UART2_IRQ 34
+#define SDIO_IRQ 22
+
+#define cAVS_INTA_IRQ 16
+#define SMBUS_INTA_IRQ 16
+#define SMBUS_INTB_IRQ 17
+#define GbE_INTA_IRQ 16
+#define GbE_INTC_IRQ 18
+#define TRACE_HUB_INTA_IRQ 16
+#define TRACE_HUB_INTD_IRQ 19
+
+#define eMMC_IRQ 16
+#define SD_IRQ 19
+
+#define PCIE_1_IRQ 16
+#define PCIE_2_IRQ 17
+#define PCIE_3_IRQ 18
+#define PCIE_4_IRQ 19
+#define PCIE_5_IRQ 16
+#define PCIE_6_IRQ 17
+#define PCIE_7_IRQ 18
+#define PCIE_8_IRQ 19
+#define PCIE_9_IRQ 16
+#define PCIE_10_IRQ 17
+#define PCIE_11_IRQ 18
+#define PCIE_12_IRQ 19
+
+#define SATA_IRQ 16
+
+#define HECI_1_IRQ 16
+#define HECI_2_IRQ 17
+#define IDER_IRQ 18
+#define KT_IRQ 19
+#define HECI_3_IRQ 16
+
+#define XHCI_IRQ 16
+#define OTG_IRQ 17
+#define PMC_SRAM_IRQ 18
+#define THERMAL_IRQ 16
+#define CNViWIFI_IRQ 19
+#define UFS_IRQ 16
+#define CIO_INTA_IRQ 16
+#define CIO_INTD_IRQ 19
+#define ISH_IRQ 20
+
+#define PEG_RP_INTA_IRQ 16
+#define PEG_RP_INTB_IRQ 17
+#define PEG_RP_INTC_IRQ 18
+#define PEG_RP_INTD_IRQ 19
+
+#define IGFX_IRQ 16
+#define SA_THERMAL_IRQ 16
+#define IPU_IRQ 16
+#define GNA_IRQ 16
+#endif /* _SOC_IRQ_H_ */
diff --git a/src/soc/intel/tigerlake/include/soc/itss.h b/src/soc/intel/tigerlake/include/soc/itss.h
new file mode 100644
index 0000000000..6631ccc27d
--- /dev/null
+++ b/src/soc/intel/tigerlake/include/soc/itss.h
@@ -0,0 +1,26 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef SOC_INTEL_TGL_ITSS_H
+#define SOC_INTEL_TGL_ITSS_H
+
+#define GPIO_IRQ_START	50
+#define GPIO_IRQ_END	ITSS_MAX_IRQ
+
+#define ITSS_MAX_IRQ	119
+#define IRQS_PER_IPC	32
+#define NUM_IPC_REGS	((ITSS_MAX_IRQ + IRQS_PER_IPC - 1)/IRQS_PER_IPC)
+
+#endif	/* SOC_INTEL_TGL_ITSS_H */
diff --git a/src/soc/intel/tigerlake/include/soc/msr.h b/src/soc/intel/tigerlake/include/soc/msr.h
new file mode 100644
index 0000000000..2aa79af3d7
--- /dev/null
+++ b/src/soc/intel/tigerlake/include/soc/msr.h
@@ -0,0 +1,24 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _SOC_MSR_H_
+#define _SOC_MSR_H_
+
+#include <intelblocks/msr.h>
+
+#define MSR_PIC_MSG_CONTROL		0x2e
+#define MSR_VR_MISC_CONFIG2		0x636
+
+#endif
diff --git a/src/soc/intel/tigerlake/include/soc/nvs.h b/src/soc/intel/tigerlake/include/soc/nvs.h
new file mode 100644
index 0000000000..c855df0305
--- /dev/null
+++ b/src/soc/intel/tigerlake/include/soc/nvs.h
@@ -0,0 +1,21 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _SOC_NVS_H_
+#define _SOC_NVS_H_
+
+#include <intelblocks/nvs.h>
+
+#endif
diff --git a/src/soc/intel/tigerlake/include/soc/pmc.h b/src/soc/intel/tigerlake/include/soc/pmc.h
new file mode 100644
index 0000000000..bae04ab352
--- /dev/null
+++ b/src/soc/intel/tigerlake/include/soc/pmc.h
@@ -0,0 +1,151 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _SOC_TIGERLAKE_PMC_H_
+#define _SOC_TIGERLAKE_PMC_H_
+
+/* PCI Configuration Space (D31:F2): PMC */
+#define  PWRMBASE		0x10
+#define  ABASE			0x20
+
+/* Memory mapped IO registers in PMC */
+#define GEN_PMCON_A			0x1020
+#define   DC_PP_DIS			(1 << 30)
+#define   DSX_PP_DIS			(1 << 29)
+#define   AG3_PP_EN			(1 << 28)
+#define   SX_PP_EN			(1 << 27)
+#define   ALLOW_ICLK_PLL_SD_INC0	(1 << 26)
+#define   GBL_RST_STS			(1 << 24)
+#define   DISB				(1 << 23)
+#define   ALLOW_OPI_PLL_SD_INC0		(1 << 22)
+#define   MEM_SR			(1 << 21)
+#define   ALLOW_SPXB_CG_INC0		(1 << 20)
+#define   ALLOW_L1LOW_C0		(1 << 19)
+#define   MS4V				(1 << 18)
+#define   ALLOW_L1LOW_OPI_ON		(1 << 17)
+#define   SUS_PWR_FLR			(1 << 16)
+#define   PME_B0_S5_DIS			(1 << 15)
+#define   PWR_FLR			(1 << 14)
+#define   ALLOW_L1LOW_BCLKREQ_ON	(1 << 13)
+#define   DIS_SLP_X_STRCH_SUS_UP	(1 << 12)
+#define   SLP_S3_MIN_ASST_WDTH_MASK	(3 << 10)
+#define     SLP_S3_MIN_ASST_WDTH_60USEC	(0 << 10)
+#define     SLP_S3_MIN_ASST_WDTH_1MS	(1 << 10)
+#define     SLP_S3_MIN_ASST_WDTH_50MS	(2 << 10)
+#define     SLP_S3_MIN_ASST_WDTH_2S	(3 << 10)
+#define   HOST_RST_STS			(1 << 9)
+#define   ESPI_SMI_LOCK			(1 << 8)
+#define   S4MAW_MASK			(3 << 4)
+#define     S4MAW_1S			(1 << 4)
+#define     S4MAW_2S			(2 << 4)
+#define     S4MAW_3S			(3 << 4)
+#define     S4MAW_4S			(0 << 4)
+#define     S4ASE			(1 << 3)
+#define   PER_SMI_SEL_MASK		(3 << 1)
+#define     SMI_RATE_64S		(0 << 1)
+#define     SMI_RATE_32S		(1 << 1)
+#define     SMI_RATE_16S		(2 << 1)
+#define     SMI_RATE_8S			(3 << 1)
+#define   SLEEP_AFTER_POWER_FAIL	(1 << 0)
+
+#define GEN_PMCON_B			0x1024
+#define   SLP_STR_POL_LOCK		(1 << 18)
+#define   ACPI_BASE_LOCK		(1 << 17)
+#define   PM_DATA_BAR_DIS		(1 << 16)
+#define   WOL_EN_OVRD			(1 << 13)
+#define   BIOS_PCI_EXP_EN		(1 << 10)
+#define   PWRBTN_LVL			(1 << 9)
+#define   SMI_LOCK			(1 << 4)
+#define   RTC_BATTERY_DEAD		(1 << 2)
+
+#define ETR				0x1048
+#define   CF9_LOCK			(1 << 31)
+#define   CF9_GLB_RST			(1 << 20)
+
+#define SSML				0x104C
+#define    SSML_SSL_DS			(0 << 0)
+#define    SSML_SSL_EN			(1 << 0)
+
+#define SSMC				0x1050
+#define    SSMC_SSMS			(1 << 0)
+
+#define SSMD				0x1054
+#define    SSMD_SSD_MASK		(0xffff << 0)
+
+#define PRSTS				0x1810
+
+#define S3_PWRGATE_POL			0x1828
+#define    S3DC_GATE_SUS		(1 << 1)
+#define    S3AC_GATE_SUS		(1 << 0)
+
+#define S4_PWRGATE_POL			0x182c
+#define    S4DC_GATE_SUS		(1 << 1)
+#define    S4AC_GATE_SUS		(1 << 0)
+
+#define S5_PWRGATE_POL			0x1830
+#define    S5DC_GATE_SUS		(1 << 15)
+#define    S5AC_GATE_SUS		(1 << 14)
+
+#define DSX_CFG				0x1834
+#define   REQ_CNV_NOWAKE_DSX		(1 << 4)
+#define    REQ_BATLOW_DSX		(1 << 3)
+#define   DSX_EN_WAKE_PIN		(1 << 2)
+#define   DSX_DIS_AC_PRESENT_PD	(1 << 1)
+#define   DSX_EN_LAN_WAKE_PIN		(1 << 0)
+#define DSX_CFG_MASK			(0x1f << 0)
+
+#define PMSYNC_TPR_CFG			0x18C4
+#define   PCH2CPU_TPR_CFG_LOCK		(1 << 31)
+#define   PCH2CPU_TT_EN			(1 << 26)
+
+#define PCH_PWRM_ACPI_TMR_CTL		0x18FC
+#define GPIO_GPE_CFG			0x1920
+#define  GPE0_DWX_MASK			0xf
+#define  GPE0_DW_SHIFT(x)		(4*(x))
+
+#define  PMC_GPP_G			0x0
+#define  PMC_GPP_B			0x1
+#define  PMC_GPP_A			0x2
+#define  PMC_GPP_R			0x3
+#define  PMC_GPP_S			0x4
+#define  PMC_GPD			0x5
+#define  PMC_GPP_H			0x6
+#define  PMC_GPP_D			0x7
+#define  PMC_GPP_F			0x8
+#define  PMC_GPP_C			0xA
+#define  PMC_GPP_E			0xB
+
+#define GBLRST_CAUSE0			0x1924
+#define   GBLRST_CAUSE0_THERMTRIP	(1 << 5)
+#define GBLRST_CAUSE1			0x1928
+
+#define CPPMVRIC			0x1B1C
+#define   XTALSDQDIS			(1 << 22)
+
+#define IRQ_REG				ACTL
+#define SCI_IRQ_ADJUST			0
+#define ACTL				0x1BD8
+#define   PWRM_EN			(1 << 8)
+#define   ACPI_EN			(1 << 7)
+#define   SCI_IRQ_SEL			(7 << 0)
+
+#define  SCIS_IRQ9			0
+#define  SCIS_IRQ10			1
+#define  SCIS_IRQ11			2
+#define  SCIS_IRQ20			4
+#define  SCIS_IRQ21			5
+#define  SCIS_IRQ22			6
+#define  SCIS_IRQ23			7
+#endif
diff --git a/src/soc/intel/tigerlake/include/soc/ramstage.h b/src/soc/intel/tigerlake/include/soc/ramstage.h
new file mode 100644
index 0000000000..606e2ffb8d
--- /dev/null
+++ b/src/soc/intel/tigerlake/include/soc/ramstage.h
@@ -0,0 +1,27 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _SOC_RAMSTAGE_H_
+#define _SOC_RAMSTAGE_H_
+
+#include <device/device.h>
+#include <fsp/api.h>
+#include <fsp/util.h>
+#include <soc/soc_chip.h>
+
+void mainboard_silicon_init_params(FSP_S_CONFIG *params);
+void soc_init_pre_device(void *chip_info);
+
+#endif
diff --git a/src/soc/intel/tigerlake/include/soc/serialio.h b/src/soc/intel/tigerlake/include/soc/serialio.h
new file mode 100644
index 0000000000..cdf55157ff
--- /dev/null
+++ b/src/soc/intel/tigerlake/include/soc/serialio.h
@@ -0,0 +1,48 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _SERIALIO_H_
+#define _SERIALIO_H_
+
+enum {
+	PchSerialIoDisabled,
+	PchSerialIoPci,
+	PchSerialIoHidden,
+	PchSerialIoLegacyUart,
+	PchSerialIoSkipInit
+};
+
+enum {
+	PchSerialIoIndexI2C0,
+	PchSerialIoIndexI2C1,
+	PchSerialIoIndexI2C2,
+	PchSerialIoIndexI2C3,
+	PchSerialIoIndexI2C4,
+	PchSerialIoIndexI2C5
+};
+
+enum {
+	PchSerialIoIndexGSPI0,
+	PchSerialIoIndexGSPI1,
+	PchSerialIoIndexGSPI2
+};
+
+enum {
+	PchSerialIoIndexUART0,
+	PchSerialIoIndexUART1,
+	PchSerialIoIndexUART2
+};
+
+#endif
diff --git a/src/soc/intel/tigerlake/include/soc/smm.h b/src/soc/intel/tigerlake/include/soc/smm.h
new file mode 100644
index 0000000000..43931679bf
--- /dev/null
+++ b/src/soc/intel/tigerlake/include/soc/smm.h
@@ -0,0 +1,38 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _SOC_SMM_H_
+#define _SOC_SMM_H_
+
+#include <stdint.h>
+#include <cpu/x86/msr.h>
+#include <cpu/x86/smm.h>
+#include <soc/gpio.h>
+
+
+struct smm_relocation_params {
+	uintptr_t ied_base;
+	size_t ied_size;
+	msr_t smrr_base;
+	msr_t smrr_mask;
+	/*
+	 * The smm_save_state_in_msrs field indicates if SMM save state
+	 * locations live in MSRs. This indicates to the CPUs how to adjust
+	 * the SMMBASE and IEDBASE
+	 */
+	int smm_save_state_in_msrs;
+};
+
+#endif
diff --git a/src/soc/intel/tigerlake/include/soc/usb.h b/src/soc/intel/tigerlake/include/soc/usb.h
new file mode 100644
index 0000000000..d2e50ef1e8
--- /dev/null
+++ b/src/soc/intel/tigerlake/include/soc/usb.h
@@ -0,0 +1,152 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+
+#ifndef _SOC_USB_H_
+#define _SOC_USB_H_
+
+#include <stdint.h>
+
+/* Per Port HS Transmitter Emphasis */
+#define USB2_EMP_OFF			0
+#define USB2_DE_EMP_ON			1
+#define USB2_PRE_EMP_ON			2
+#define USB2_DE_EMP_ON_PRE_EMP_ON	3
+
+/* Per Port Half Bit Pre-emphasis */
+#define USB2_FULL_BIT_PRE_EMP	0
+#define USB2_HALF_BIT_PRE_EMP	1
+
+/* Per Port HS Preemphasis Bias */
+#define USB2_BIAS_0MV		0
+#define USB2_BIAS_11P25MV	1
+#define USB2_BIAS_16P9MV	2
+#define USB2_BIAS_28P15MV	3
+#define USB2_BIAS_39P35MV	5
+#define USB2_BIAS_45MV		6
+#define USB2_BIAS_56P3MV	7
+
+struct usb2_port_config {
+	uint8_t enable;
+	uint8_t ocpin;
+	uint8_t tx_bias;
+	uint8_t tx_emp_enable;
+	uint8_t pre_emp_bias;
+	uint8_t pre_emp_bit;
+};
+
+/* USB Overcurrent pins definition */
+enum {
+	OC0 = 0,
+	OC1,
+	OC2,
+	OC3,
+	OC4,
+	OC5,
+	OC6,
+	OC7,
+	OCMAX,
+	OC_SKIP = 0xff, /* Skip OC programming */
+};
+
+/* Standard USB Port based on length:
+ * - External
+ * - Back Panel
+ * - OTG
+ * - M.2
+ * - Internal device down */
+
+#define USB2_PORT_EMPTY { \
+	.enable        = 0, \
+	.ocpin         = OC_SKIP, \
+	.tx_bias       = USB2_BIAS_0MV, \
+	.tx_emp_enable = USB2_EMP_OFF, \
+	.pre_emp_bias  = USB2_BIAS_0MV, \
+	.pre_emp_bit   = USB2_HALF_BIT_PRE_EMP, \
+}
+
+/* Length = 11.5"-12" */
+#define USB2_PORT_LONG(pin) { \
+	.enable        = 1, \
+	.ocpin         = (pin), \
+	.tx_bias       = USB2_BIAS_39P35MV, \
+	.tx_emp_enable = USB2_PRE_EMP_ON, \
+	.pre_emp_bias  = USB2_BIAS_56P3MV, \
+	.pre_emp_bit   = USB2_HALF_BIT_PRE_EMP, \
+}
+
+/* Length  = 6"-11.49" */
+#define USB2_PORT_MID(pin) { \
+	.enable        = 1, \
+	.ocpin         = (pin), \
+	.tx_bias       = USB2_BIAS_0MV, \
+	.tx_emp_enable = USB2_PRE_EMP_ON, \
+	.pre_emp_bias  = USB2_BIAS_56P3MV, \
+	.pre_emp_bit   = USB2_HALF_BIT_PRE_EMP, \
+}
+
+/* Length = 3"-5.99" */
+#define USB2_PORT_SHORT(pin) { \
+	.enable        = 1, \
+	.ocpin         = (pin), \
+	.tx_bias       = USB2_BIAS_39P35MV, \
+	.tx_emp_enable = USB2_PRE_EMP_ON | USB2_DE_EMP_ON, \
+	.pre_emp_bias  = USB2_BIAS_39P35MV, \
+	.pre_emp_bit   = USB2_FULL_BIT_PRE_EMP, \
+}
+
+/* Max TX and Pre-emp settings */
+#define USB2_PORT_MAX(pin) { \
+	.enable        = 1, \
+	.ocpin         = (pin), \
+	.tx_bias       = USB2_BIAS_56P3MV, \
+	.tx_emp_enable = USB2_PRE_EMP_ON, \
+	.pre_emp_bias  = USB2_BIAS_56P3MV, \
+	.pre_emp_bit   = USB2_HALF_BIT_PRE_EMP, \
+}
+
+/* Type-C Port, no BC1.2 charge detect module / MUX
+ * Length  = 3.0" - 9.00" */
+#define USB2_PORT_TYPE_C(pin) { \
+	.enable        = 1, \
+	.ocpin         = (pin), \
+	.tx_bias       = USB2_BIAS_0MV, \
+	.tx_emp_enable = USB2_PRE_EMP_ON, \
+	.pre_emp_bias  = USB2_BIAS_56P3MV, \
+	.pre_emp_bit   = USB2_HALF_BIT_PRE_EMP, \
+}
+
+struct usb3_port_config {
+	uint8_t enable;
+	uint8_t ocpin;
+	uint8_t tx_de_emp;
+	uint8_t tx_downscale_amp;
+};
+
+#define USB3_PORT_EMPTY { \
+	.enable           = 0, \
+	.ocpin            = OC_SKIP, \
+	.tx_de_emp        = 0x00, \
+	.tx_downscale_amp = 0x00, \
+}
+
+#define USB3_PORT_DEFAULT(pin) { \
+	.enable           = 1, \
+	.ocpin            = (pin), \
+	.tx_de_emp        = 0x0, \
+	.tx_downscale_amp = 0x00, \
+}
+
+#endif
diff --git a/src/soc/intel/tigerlake/lockdown.c b/src/soc/intel/tigerlake/lockdown.c
new file mode 100644
index 0000000000..08ae4ef455
--- /dev/null
+++ b/src/soc/intel/tigerlake/lockdown.c
@@ -0,0 +1,78 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/*
+ * This file is created based on Intel Tiger Lake Processor PCH Datasheet
+ * Document number: 575857
+ * Chapter number: 4
+ */
+
+#include <device/mmio.h>
+#include <intelblocks/cfg.h>
+#include <intelpch/lockdown.h>
+#include <soc/pm.h>
+
+static void pmc_lock_pmsync(void)
+{
+	uint8_t *pmcbase;
+	uint32_t pmsyncreg;
+
+	pmcbase = pmc_mmio_regs();
+
+	pmsyncreg = read32(pmcbase + PMSYNC_TPR_CFG);
+	pmsyncreg |= PCH2CPU_TPR_CFG_LOCK;
+	write32(pmcbase + PMSYNC_TPR_CFG, pmsyncreg);
+}
+
+static void pmc_lock_abase(void)
+{
+	uint8_t *pmcbase;
+	uint32_t reg32;
+
+	pmcbase = pmc_mmio_regs();
+
+	reg32 = read32(pmcbase + GEN_PMCON_B);
+	reg32 |= (SLP_STR_POL_LOCK | ACPI_BASE_LOCK);
+	write32(pmcbase + GEN_PMCON_B, reg32);
+}
+
+static void pmc_lock_smi(void)
+{
+	uint8_t *pmcbase;
+	uint8_t reg8;
+
+	pmcbase = pmc_mmio_regs();
+
+	reg8 = read8(pmcbase + GEN_PMCON_B);
+	reg8 |= SMI_LOCK;
+	write8(pmcbase + GEN_PMCON_B, reg8);
+}
+
+static void pmc_lockdown_cfg(int chipset_lockdown)
+{
+	/* PMSYNC */
+	pmc_lock_pmsync();
+	/* Lock down ABASE and sleep stretching policy */
+	pmc_lock_abase();
+
+	if (chipset_lockdown == CHIPSET_LOCKDOWN_COREBOOT)
+		pmc_lock_smi();
+}
+
+void soc_lockdown_config(int chipset_lockdown)
+{
+	/* PMC lock down configuration */
+	pmc_lockdown_cfg(chipset_lockdown);
+}
diff --git a/src/soc/intel/tigerlake/p2sb.c b/src/soc/intel/tigerlake/p2sb.c
new file mode 100644
index 0000000000..f5a3e70fce
--- /dev/null
+++ b/src/soc/intel/tigerlake/p2sb.c
@@ -0,0 +1,49 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/*
+ * This file is created based on Intel Tiger Lake Processor PCH Datasheet
+ * Document number: 575857
+ * Chapter number: 3
+ */
+
+#include <console/console.h>
+#include <intelblocks/p2sb.h>
+
+void p2sb_soc_get_sb_mask(uint32_t *ep_mask, size_t count)
+{
+	uint32_t mask;
+
+	if (count != P2SB_EP_MASK_MAX_REG) {
+		printk(BIOS_ERR, "Unable to program EPMASK registers\n");
+		return;
+	}
+
+	/* Remove the host accessing right to PSF register range.
+	 * Set p2sb PCI offset EPMASK5 [29, 28, 27, 26] to disable Sideband
+	 * access for PCI Root Bridge.
+	 */
+	mask = (1 << 29) | (1 << 28) | (1 << 27)  | (1 << 26);
+
+	ep_mask[P2SB_EP_MASK_5_REG] = mask;
+
+	/*
+	 * Set p2sb PCI offset EPMASK7 [31, 30] to disable Sideband
+	 * access for Broadcast and Multicast.
+	 */
+	mask = (1 << 31) | (1 << 30);
+
+	ep_mask[P2SB_EP_MASK_7_REG] = mask;
+}
diff --git a/src/soc/intel/tigerlake/pmc.c b/src/soc/intel/tigerlake/pmc.c
new file mode 100644
index 0000000000..65284ec57c
--- /dev/null
+++ b/src/soc/intel/tigerlake/pmc.c
@@ -0,0 +1,114 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/*
+ * This file is created based on Intel Tiger Lake Processor PCH Datasheet
+ * Document number: 575857
+ * Chapter number: 4
+ */
+
+#include <bootstate.h>
+#include <console/console.h>
+#include <device/mmio.h>
+#include <device/device.h>
+#include <intelblocks/pmc.h>
+#include <intelblocks/pmclib.h>
+#include <intelblocks/rtc.h>
+#include <soc/pci_devs.h>
+#include <soc/pm.h>
+#include <soc/soc_chip.h>
+
+/*
+ * Set which power state system will be after reapplying
+ * the power (from G3 State)
+ */
+void pmc_soc_set_afterg3_en(const bool on)
+{
+	uint8_t reg8;
+	uint8_t *const pmcbase = pmc_mmio_regs();
+
+	reg8 = read8(pmcbase + GEN_PMCON_A);
+	if (on)
+		reg8 &= ~SLEEP_AFTER_POWER_FAIL;
+	else
+		reg8 |= SLEEP_AFTER_POWER_FAIL;
+	write8(pmcbase + GEN_PMCON_A, reg8);
+}
+
+static void config_deep_sX(uint32_t offset, uint32_t mask, int sx, int enable)
+{
+	uint32_t reg;
+	uint8_t *pmcbase = pmc_mmio_regs();
+
+	printk(BIOS_DEBUG, "%sabling Deep S%c\n",
+		enable ? "En" : "Dis", sx + '0');
+	reg = read32(pmcbase + offset);
+	if (enable)
+		reg |= mask;
+	else
+		reg &= ~mask;
+	write32(pmcbase + offset, reg);
+}
+
+static void config_deep_s5(int on_ac, int on_dc)
+{
+	/* Treat S4 the same as S5. */
+	config_deep_sX(S4_PWRGATE_POL, S4AC_GATE_SUS, 4, on_ac);
+	config_deep_sX(S4_PWRGATE_POL, S4DC_GATE_SUS, 4, on_dc);
+	config_deep_sX(S5_PWRGATE_POL, S5AC_GATE_SUS, 5, on_ac);
+	config_deep_sX(S5_PWRGATE_POL, S5DC_GATE_SUS, 5, on_dc);
+}
+
+static void config_deep_s3(int on_ac, int on_dc)
+{
+	config_deep_sX(S3_PWRGATE_POL, S3AC_GATE_SUS, 3, on_ac);
+	config_deep_sX(S3_PWRGATE_POL, S3DC_GATE_SUS, 3, on_dc);
+}
+
+static void config_deep_sx(uint32_t deepsx_config)
+{
+	uint32_t reg;
+	uint8_t *pmcbase = pmc_mmio_regs();
+
+	reg = read32(pmcbase + DSX_CFG);
+	reg &= ~DSX_CFG_MASK;
+	reg |= deepsx_config;
+	write32(pmcbase + DSX_CFG, reg);
+}
+
+static void pmc_init(void *unused)
+{
+	const config_t *config = config_of_soc();
+
+	rtc_init();
+
+	pmc_set_power_failure_state(true);
+	pmc_gpe_init();
+
+	pmc_set_acpi_mode();
+
+	config_deep_s3(config->deep_s3_enable_ac, config->deep_s3_enable_dc);
+	config_deep_s5(config->deep_s5_enable_ac, config->deep_s5_enable_dc);
+	config_deep_sx(config->deep_sx_config);
+}
+
+/*
+* Initialize PMC controller.
+*
+* PMC controller gets hidden from PCI bus during FSP-Silicon init call.
+* Hence PCI enumeration can't be used to initialize bus device and
+* allocate resources.
+*/
+BOOT_STATE_INIT_ENTRY(BS_DEV_INIT_CHIPS, BS_ON_EXIT, pmc_init, NULL);
diff --git a/src/soc/intel/tigerlake/pmutil.c b/src/soc/intel/tigerlake/pmutil.c
new file mode 100644
index 0000000000..53f86097ee
--- /dev/null
+++ b/src/soc/intel/tigerlake/pmutil.c
@@ -0,0 +1,276 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/*
+ * Helper functions for dealing with power management registers
+ * and the differences between PCH variants.
+ */
+
+/*
+ * This file is created based on Intel Tiger Lake Processor PCH Datasheet
+ * Document number: 575857
+ * Chapter number: 4
+ */
+
+
+#define __SIMPLE_DEVICE__
+
+#include <device/mmio.h>
+#include <cbmem.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_def.h>
+#include <console/console.h>
+#include <intelblocks/pmclib.h>
+#include <intelblocks/rtc.h>
+#include <intelblocks/tco.h>
+#include <stdlib.h>
+#include <soc/espi.h>
+#include <soc/gpe.h>
+#include <soc/gpio.h>
+#include <soc/iomap.h>
+#include <soc/pci_devs.h>
+#include <soc/pm.h>
+#include <soc/smbus.h>
+#include <soc/soc_chip.h>
+#include <security/vboot/vbnv.h>
+
+/*
+ * SMI
+ */
+
+const char *const *soc_smi_sts_array(size_t *a)
+{
+	static const char *const smi_sts_bits[] = {
+		[BIOS_STS_BIT] = "BIOS",
+		[LEGACY_USB_STS_BIT] = "LEGACY_USB",
+		[SMI_ON_SLP_EN_STS_BIT] = "SLP_SMI",
+		[APM_STS_BIT] = "APM",
+		[SWSMI_TMR_STS_BIT] = "SWSMI_TMR",
+		[PM1_STS_BIT] = "PM1",
+		[GPE0_STS_BIT] = "GPE0",
+		[GPIO_STS_BIT] = "GPI",
+		[MCSMI_STS_BIT] = "MCSMI",
+		[DEVMON_STS_BIT] = "DEVMON",
+		[TCO_STS_BIT] = "TCO",
+		[PERIODIC_STS_BIT] = "PERIODIC",
+		[SERIRQ_SMI_STS_BIT] = "SERIRQ_SMI",
+		[SMBUS_SMI_STS_BIT] = "SMBUS_SMI",
+		[PCI_EXP_SMI_STS_BIT] = "PCI_EXP_SMI",
+		[MONITOR_STS_BIT] = "MONITOR",
+		[SPI_SMI_STS_BIT] = "SPI",
+		[GPIO_UNLOCK_SMI_STS_BIT] = "GPIO_UNLOCK",
+		[ESPI_SMI_STS_BIT] = "ESPI_SMI",
+	};
+
+	*a = ARRAY_SIZE(smi_sts_bits);
+	return smi_sts_bits;
+}
+
+/*
+ * TCO
+ */
+
+const char *const *soc_tco_sts_array(size_t *a)
+{
+	static const char *const tco_sts_bits[] = {
+		[0] = "NMI2SMI",
+		[1] = "SW_TCO",
+		[2] = "TCO_INT",
+		[3] = "TIMEOUT",
+		[7] = "NEWCENTURY",
+		[8] = "BIOSWR",
+		[9] = "DMISCI",
+		[10] = "DMISMI",
+		[12] = "DMISERR",
+		[13] = "SLVSEL",
+		[16] = "INTRD_DET",
+		[17] = "SECOND_TO",
+		[18] = "BOOT",
+		[20] = "SMLINK_SLV"
+	};
+
+	*a = ARRAY_SIZE(tco_sts_bits);
+	return tco_sts_bits;
+}
+
+/*
+ * GPE0
+ */
+
+const char *const *soc_std_gpe_sts_array(size_t *a)
+{
+	static const char *const gpe_sts_bits[] = {
+		[1] = "HOTPLUG",
+		[2] = "SWGPE",
+		[6] = "TCO_SCI",
+		[7] = "SMB_WAK",
+		[9] = "PCI_EXP",
+		[10] = "BATLOW",
+		[11] = "PME",
+		[12] = "ME",
+		[13] = "PME_B0",
+		[14] = "eSPI",
+		[15] = "GPIO Tier-2",
+		[16] = "LAN_WAKE",
+		[18] = "WADT"
+	};
+
+	*a = ARRAY_SIZE(gpe_sts_bits);
+	return gpe_sts_bits;
+}
+
+void pmc_set_disb(void)
+{
+	/* Set the DISB after DRAM init */
+	uint8_t disb_val;
+	/* Only care about bits [23:16] of register GEN_PMCON_A */
+	uint8_t *addr = (uint8_t *)(pmc_mmio_regs() + GEN_PMCON_A + 2);
+
+	disb_val = read8(addr);
+	disb_val |= (DISB >> 16);
+
+	/* Don't clear bits that are write-1-to-clear */
+	disb_val &= ~((MS4V | SUS_PWR_FLR) >> 16);
+	write8(addr, disb_val);
+}
+
+void pmc_clear_pmcon_sts(void)
+{
+	uint32_t reg_val;
+	uint8_t *addr;
+	addr = pmc_mmio_regs();
+
+	reg_val = read32(addr + GEN_PMCON_A);
+	/* Clear SUS_PWR_FLR, GBL_RST_STS, HOST_RST_STS, PWR_FLR bits
+	 * while retaining MS4V write-1-to-clear bit */
+	reg_val &= ~(MS4V);
+
+	write32((addr + GEN_PMCON_A), reg_val);
+}
+
+/*
+ * PMC controller gets hidden from PCI bus
+ * during FSP-Silicon init call. Hence PWRMBASE
+ * can't be accessible using PCI configuration space
+ * read/write.
+ */
+uint8_t *pmc_mmio_regs(void)
+{
+	return (void *)(uintptr_t)PCH_PWRM_BASE_ADDRESS;
+}
+
+uintptr_t soc_read_pmc_base(void)
+{
+	return (uintptr_t)pmc_mmio_regs();
+}
+
+void soc_get_gpi_gpe_configs(uint8_t *dw0, uint8_t *dw1, uint8_t *dw2)
+{
+	DEVTREE_CONST struct soc_intel_tigerlake_config *config;
+
+	config = config_of_soc();
+
+	/* Assign to out variable */
+	*dw0 = config->gpe0_dw0;
+	*dw1 = config->gpe0_dw1;
+	*dw2 = config->gpe0_dw2;
+}
+
+static int rtc_failed(uint32_t gen_pmcon_b)
+{
+	return !!(gen_pmcon_b & RTC_BATTERY_DEAD);
+}
+
+int soc_get_rtc_failed(void)
+{
+	const struct chipset_power_state *ps = cbmem_find(CBMEM_ID_POWER_STATE);
+
+	if (!ps) {
+		printk(BIOS_ERR, "Could not find power state in cbmem, RTC init aborted\n");
+		return 1;
+	}
+
+	return rtc_failed(ps->gen_pmcon_b);
+}
+
+int vbnv_cmos_failed(void)
+{
+	return rtc_failed(read32(pmc_mmio_regs() + GEN_PMCON_B));
+}
+
+static inline int deep_s3_enabled(void)
+{
+	uint32_t deep_s3_pol;
+
+	deep_s3_pol = read32(pmc_mmio_regs() + S3_PWRGATE_POL);
+	return !!(deep_s3_pol & (S3DC_GATE_SUS | S3AC_GATE_SUS));
+}
+
+/* Return 0, 3, or 5 to indicate the previous sleep state. */
+int soc_prev_sleep_state(const struct chipset_power_state *ps,
+	int prev_sleep_state)
+{
+
+	/*
+	 * Check for any power failure to determine if this a wake from
+	* S5 because the PCH does not set the WAK_STS bit when waking
+	* from a true G3 state.
+	*/
+	if (ps->gen_pmcon_a & (PWR_FLR | SUS_PWR_FLR))
+		prev_sleep_state = ACPI_S5;
+
+	/*
+	 * If waking from S3 determine if deep S3 is enabled. If not,
+	 * need to check both deep sleep well and normal suspend well.
+	 * Otherwise just check deep sleep well.
+	 */
+	if (prev_sleep_state == ACPI_S3) {
+		/* PWR_FLR represents deep sleep power well loss. */
+		uint32_t mask = PWR_FLR;
+
+		/* If deep s3 isn't enabled check the suspend well too. */
+		if (!deep_s3_enabled())
+			mask |= SUS_PWR_FLR;
+
+		if (ps->gen_pmcon_a & mask)
+			prev_sleep_state = ACPI_S5;
+	}
+
+	return prev_sleep_state;
+}
+
+void soc_fill_power_state(struct chipset_power_state *ps)
+{
+	uint8_t *pmc;
+
+	ps->tco1_sts = tco_read_reg(TCO1_STS);
+	ps->tco2_sts = tco_read_reg(TCO2_STS);
+
+	printk(BIOS_DEBUG, "TCO_STS:   %04x %04x\n",
+	ps->tco1_sts, ps->tco2_sts);
+
+	pmc = pmc_mmio_regs();
+	ps->gen_pmcon_a = read32(pmc + GEN_PMCON_A);
+	ps->gen_pmcon_b = read32(pmc + GEN_PMCON_B);
+	ps->gblrst_cause[0] = read32(pmc + GBLRST_CAUSE0);
+	ps->gblrst_cause[1] = read32(pmc + GBLRST_CAUSE1);
+
+	printk(BIOS_DEBUG, "GEN_PMCON: %08x %08x\n",
+		ps->gen_pmcon_a, ps->gen_pmcon_b);
+
+	printk(BIOS_DEBUG, "GBLRST_CAUSE: %08x %08x\n",
+		ps->gblrst_cause[0], ps->gblrst_cause[1]);
+}
diff --git a/src/soc/intel/tigerlake/reset.c b/src/soc/intel/tigerlake/reset.c
new file mode 100644
index 0000000000..674cf68dcc
--- /dev/null
+++ b/src/soc/intel/tigerlake/reset.c
@@ -0,0 +1,47 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <cf9_reset.h>
+#include <console/console.h>
+#include <intelblocks/cse.h>
+#include <intelblocks/pmclib.h>
+#include <fsp/util.h>
+#include <soc/intel/common/reset.h>
+#include <soc/pci_devs.h>
+
+void do_global_reset(void)
+{
+	/* Ask CSE to do the global reset */
+	if (!send_heci_reset_req_message(GLOBAL_RESET))
+		return;
+
+	/* global reset if CSE fail to reset */
+	pmc_global_reset_enable(1);
+	do_full_reset();
+}
+
+void chipset_handle_reset(uint32_t status)
+{
+	switch (status) {
+	case FSP_STATUS_RESET_REQUIRED_3: /* Global Reset */
+		printk(BIOS_DEBUG, "GLOBAL RESET!!\n");
+		global_reset();
+		break;
+	default:
+		printk(BIOS_ERR, "unhandled reset type %x\n", status);
+		die("unknown reset type");
+		break;
+	}
+}
diff --git a/src/soc/intel/tigerlake/sd.c b/src/soc/intel/tigerlake/sd.c
new file mode 100644
index 0000000000..bc9dd9b26f
--- /dev/null
+++ b/src/soc/intel/tigerlake/sd.c
@@ -0,0 +1,43 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/*
+ * This file is created based on Intel Tiger Lake Processor PCH Datasheet
+ * Document number: 575857
+ * Chapter number: 26
+ */
+
+#include <intelblocks/sd.h>
+#include <soc/soc_chip.h>
+
+int sd_fill_soc_gpio_info(struct acpi_gpio *gpio, struct device *dev)
+{
+	config_t *config = config_of(dev);
+
+	if (!config->sdcard_cd_gpio)
+		return -1;
+
+	gpio->type = ACPI_GPIO_TYPE_INTERRUPT;
+	gpio->pull = ACPI_GPIO_PULL_NONE;
+	gpio->irq.mode = ACPI_IRQ_EDGE_TRIGGERED;
+	gpio->irq.polarity = ACPI_IRQ_ACTIVE_BOTH;
+	gpio->irq.shared = ACPI_IRQ_SHARED;
+	gpio->irq.wake = ACPI_IRQ_WAKE;
+	gpio->interrupt_debounce_timeout = 10000; /* 100ms */
+	gpio->pin_count = 1;
+	gpio->pins[0] = config->sdcard_cd_gpio;
+
+	return 0;
+}
diff --git a/src/soc/intel/tigerlake/smihandler.c b/src/soc/intel/tigerlake/smihandler.c
new file mode 100644
index 0000000000..bf07beadb6
--- /dev/null
+++ b/src/soc/intel/tigerlake/smihandler.c
@@ -0,0 +1,126 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <console/console.h>
+#include <device/pci_def.h>
+#include <intelblocks/fast_spi.h>
+#include <intelblocks/p2sb.h>
+#include <intelblocks/pcr.h>
+#include <intelblocks/smihandler.h>
+#include <soc/p2sb.h>
+#include <soc/pci_devs.h>
+#include <soc/pcr_ids.h>
+#include <soc/pm.h>
+#include <soc/soc_chip.h>
+
+#define CSME0_FBE	0xf
+#define CSME0_BAR	0x0
+#define CSME0_FID	0xb0
+
+const struct smm_save_state_ops *get_smm_save_state_ops(void)
+{
+	return &em64t101_smm_ops;
+}
+
+static void pch_disable_heci(void)
+{
+	struct pcr_sbi_msg msg = {
+		.pid = PID_CSME0,
+		.offset = 0,
+		.opcode = PCR_WRITE,
+		.is_posted = false,
+		.fast_byte_enable = CSME0_FBE,
+		.bar = CSME0_BAR,
+		.fid = CSME0_FID
+	};
+	/* Bit 0: Set to make HECI#1 Function disable */
+	uint32_t data32 = 1;
+	uint8_t response;
+	int status;
+
+	/* unhide p2sb device */
+	p2sb_unhide();
+
+	/* Send SBI command to make HECI#1 function disable */
+	status = pcr_execute_sideband_msg(&msg, &data32, &response);
+	if (status && response)
+		printk(BIOS_ERR, "Fail to make CSME function disable\n");
+
+	/* Ensure to Lock SBI interface after this command */
+	p2sb_disable_sideband_access();
+
+	/* hide p2sb device */
+	p2sb_hide();
+}
+
+/*
+ * Specific SOC SMI handler during ramstage finalize phase
+ *
+ * BIOS can't make CSME function disable as is due to POSTBOOT_SAI
+ * restriction in place from TGP chipset. Hence create SMI Handler to
+ * perform CSME function disabling logic during SMM mode.
+ */
+void smihandler_soc_at_finalize(void)
+{
+	const struct soc_intel_tigerlake_config *config;
+
+	config = config_of_soc();
+
+	if (!config->HeciEnabled && CONFIG(HECI_DISABLE_USING_SMM))
+		pch_disable_heci();
+}
+
+void smihandler_soc_check_illegal_access(uint32_t tco_sts)
+{
+	if (!((tco_sts & (1 << 8)) && CONFIG(SPI_FLASH_SMM)
+			&& fast_spi_wpd_status()))
+		return;
+
+	/*
+	 * BWE is RW, so the SMI was caused by a
+	 * write to BWE, not by a write to the BIOS
+	 *
+	 * This is the place where we notice someone
+	 * is trying to tinker with the BIOS. We are
+	 * trying to be nice and just ignore it. A more
+	 * resolute answer would be to power down the
+	 * box.
+	 */
+	printk(BIOS_DEBUG, "Switching back to RO\n");
+	fast_spi_enable_wp();
+}
+
+/* SMI handlers that should be serviced in SCI mode too. */
+uint32_t smihandler_soc_get_sci_mask(void)
+{
+	uint32_t sci_mask =
+		SMI_HANDLER_SCI_EN(APM_STS_BIT) |
+		SMI_HANDLER_SCI_EN(SMI_ON_SLP_EN_STS_BIT);
+
+	return sci_mask;
+}
+
+const smi_handler_t southbridge_smi[SMI_STS_BITS] = {
+	[SMI_ON_SLP_EN_STS_BIT] = smihandler_southbridge_sleep,
+	[APM_STS_BIT] = smihandler_southbridge_apmc,
+	[PM1_STS_BIT] = smihandler_southbridge_pm1,
+	[GPE0_STS_BIT] = smihandler_southbridge_gpe0,
+	[GPIO_STS_BIT] = smihandler_southbridge_gpi,
+	[ESPI_SMI_STS_BIT] = smihandler_southbridge_espi,
+	[MCSMI_STS_BIT] = smihandler_southbridge_mc,
+	[TCO_STS_BIT] = smihandler_southbridge_tco,
+	[PERIODIC_STS_BIT] = smihandler_southbridge_periodic,
+	[MONITOR_STS_BIT] = smihandler_southbridge_monitor,
+};
diff --git a/src/soc/intel/tigerlake/smmrelocate.c b/src/soc/intel/tigerlake/smmrelocate.c
new file mode 100644
index 0000000000..b3f98362e5
--- /dev/null
+++ b/src/soc/intel/tigerlake/smmrelocate.c
@@ -0,0 +1,273 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <types.h>
+#include <string.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ops.h>
+#include <cpu/x86/cache.h>
+#include <cpu/x86/lapic.h>
+#include <cpu/x86/mp.h>
+#include <cpu/x86/msr.h>
+#include <cpu/x86/mtrr.h>
+#include <cpu/x86/smm.h>
+#include <cpu/intel/em64t101_save_state.h>
+#include <cpu/intel/smm_reloc.h>
+#include <console/console.h>
+#include <soc/cpu.h>
+#include <soc/msr.h>
+#include <soc/pci_devs.h>
+#include <soc/smm.h>
+#include <soc/soc_chip.h>
+#include <soc/systemagent.h>
+
+/* This gets filled in and used during relocation. */
+static struct smm_relocation_params smm_reloc_params;
+
+static inline void write_smrr(struct smm_relocation_params *relo_params)
+{
+	printk(BIOS_DEBUG, "Writing SMRR. base = 0x%08x, mask=0x%08x\n",
+	       relo_params->smrr_base.lo, relo_params->smrr_mask.lo);
+	wrmsr(IA32_SMRR_PHYS_BASE, relo_params->smrr_base);
+	wrmsr(IA32_SMRR_PHYS_MASK, relo_params->smrr_mask);
+}
+
+static void update_save_state(int cpu, uintptr_t curr_smbase,
+				uintptr_t staggered_smbase,
+				struct smm_relocation_params *relo_params)
+{
+	u32 smbase;
+	u32 iedbase;
+
+	/*
+	 * The relocated handler runs with all CPUs concurrently. Therefore
+	 * stagger the entry points adjusting SMBASE downwards by save state
+	 * size * CPU num.
+	 */
+	smbase = staggered_smbase;
+	iedbase = relo_params->ied_base;
+
+	printk(BIOS_DEBUG, "New SMBASE=0x%08x IEDBASE=0x%08x\n",
+	       smbase, iedbase);
+
+	/*
+	 * All threads need to set IEDBASE and SMBASE to the relocated
+	 * handler region. However, the save state location depends on the
+	 * smm_save_state_in_msrs field in the relocation parameters. If
+	 * smm_save_state_in_msrs is non-zero then the CPUs are relocating
+	 * the SMM handler in parallel, and each CPUs save state area is
+	 * located in their respective MSR space. If smm_save_state_in_msrs
+	 * is zero then the SMM relocation is happening serially so the
+	 * save state is at the same default location for all CPUs.
+	 */
+	if (relo_params->smm_save_state_in_msrs) {
+		msr_t smbase_msr;
+		msr_t iedbase_msr;
+
+		smbase_msr.lo = smbase;
+		smbase_msr.hi = 0;
+
+		/*
+		 * According the BWG the IEDBASE MSR is in bits 63:32. It's
+		 * not clear why it differs from the SMBASE MSR.
+		 */
+		iedbase_msr.lo = 0;
+		iedbase_msr.hi = iedbase;
+
+		wrmsr(SMBASE_MSR, smbase_msr);
+		wrmsr(IEDBASE_MSR, iedbase_msr);
+	} else {
+		em64t101_smm_state_save_area_t *save_state;
+
+		save_state = (void *)(curr_smbase + SMM_DEFAULT_SIZE -
+				      sizeof(*save_state));
+
+		save_state->smbase = smbase;
+		save_state->iedbase = iedbase;
+	}
+}
+
+/* Returns 1 if SMM MSR save state was set. */
+static int bsp_setup_msr_save_state(struct smm_relocation_params *relo_params)
+{
+	msr_t smm_mca_cap;
+
+	smm_mca_cap = rdmsr(SMM_MCA_CAP_MSR);
+	if (smm_mca_cap.hi & SMM_CPU_SVRSTR_MASK) {
+		msr_t smm_feature_control;
+
+		smm_feature_control = rdmsr(SMM_FEATURE_CONTROL_MSR);
+		smm_feature_control.hi = 0;
+		smm_feature_control.lo |= SMM_CPU_SAVE_EN;
+		wrmsr(SMM_FEATURE_CONTROL_MSR, smm_feature_control);
+		relo_params->smm_save_state_in_msrs = 1;
+	}
+	return relo_params->smm_save_state_in_msrs;
+}
+
+/*
+ * The relocation work is actually performed in SMM context, but the code
+ * resides in the ramstage module. This occurs by trampolining from the default
+ * SMRAM entry point to here.
+ */
+void smm_relocation_handler(int cpu, uintptr_t curr_smbase,
+				uintptr_t staggered_smbase)
+{
+	msr_t mtrr_cap;
+	struct smm_relocation_params *relo_params = &smm_reloc_params;
+
+	printk(BIOS_DEBUG, "In relocation handler: CPU %d\n", cpu);
+
+	/*
+	 * Determine if the processor supports saving state in MSRs. If so,
+	 * enable it before the non-BSPs run so that SMM relocation can occur
+	 * in parallel in the non-BSP CPUs.
+	 */
+	if (cpu == 0) {
+		/*
+		 * If smm_save_state_in_msrs is 1 then that means this is the
+		 * 2nd time through the relocation handler for the BSP.
+		 * Parallel SMM handler relocation is taking place. However,
+		 * it is desired to access other CPUs save state in the real
+		 * SMM handler. Therefore, disable the SMM save state in MSRs
+		 * feature.
+		 */
+		if (relo_params->smm_save_state_in_msrs) {
+			msr_t smm_feature_control;
+
+			smm_feature_control = rdmsr(SMM_FEATURE_CONTROL_MSR);
+			smm_feature_control.lo &= ~SMM_CPU_SAVE_EN;
+			wrmsr(SMM_FEATURE_CONTROL_MSR, smm_feature_control);
+		} else if (bsp_setup_msr_save_state(relo_params))
+			/*
+			 * Just return from relocation handler if MSR save
+			 * state is enabled. In that case the BSP will come
+			 * back into the relocation handler to setup the new
+			 * SMBASE as well disabling SMM save state in MSRs.
+			 */
+			return;
+	}
+
+	/* Make appropriate changes to the save state map. */
+	update_save_state(cpu, curr_smbase, staggered_smbase, relo_params);
+
+	/* Write SMRR MSRs based on indicated support. */
+	mtrr_cap = rdmsr(MTRR_CAP_MSR);
+	if (mtrr_cap.lo & SMRR_SUPPORTED)
+		write_smrr(relo_params);
+}
+
+static void fill_in_relocation_params(struct smm_relocation_params *params)
+{
+	uintptr_t tseg_base;
+	size_t tseg_size;
+	/* All range registers are aligned to 4KiB */
+	const u32 rmask = ~(4 * KiB - 1);
+
+	smm_region(&tseg_base, &tseg_size);
+
+	if (!IS_ALIGNED(tseg_base, tseg_size)) {
+		printk(BIOS_WARNING,
+		     "TSEG base not aligned with TSEG SIZE! Not setting SMRR\n");
+		return;
+	}
+
+	smm_subregion(SMM_SUBREGION_CHIPSET, &params->ied_base, &params->ied_size);
+
+	/* SMRR has 32-bits of valid address aligned to 4KiB. */
+	params->smrr_base.lo = (tseg_base & rmask) | MTRR_TYPE_WRBACK;
+	params->smrr_base.hi = 0;
+	params->smrr_mask.lo = (~(tseg_size - 1) & rmask) | MTRR_PHYS_MASK_VALID;
+	params->smrr_mask.hi = 0;
+}
+
+static void setup_ied_area(struct smm_relocation_params *params)
+{
+	char *ied_base;
+
+	struct ied_header ied = {
+		.signature = "INTEL RSVD",
+		.size = params->ied_size,
+		.reserved = {0},
+	};
+
+	ied_base = (void *)params->ied_base;
+
+	printk(BIOS_DEBUG, "IED base = 0x%08x\n", (u32)params->ied_base);
+	printk(BIOS_DEBUG, "IED size = 0x%08x\n", (u32)params->ied_size);
+
+	/* Place IED header at IEDBASE. */
+	memcpy(ied_base, &ied, sizeof(ied));
+
+	/* Zero out 32KiB at IEDBASE + 1MiB */
+	memset(ied_base + 1 * MiB, 0, 32 * KiB);
+}
+
+void smm_info(uintptr_t *perm_smbase, size_t *perm_smsize,
+				size_t *smm_save_state_size)
+{
+	printk(BIOS_DEBUG, "Setting up SMI for CPU\n");
+
+	fill_in_relocation_params(&smm_reloc_params);
+
+	smm_subregion(SMM_SUBREGION_HANDLER, perm_smbase, perm_smsize);
+
+	if (smm_reloc_params.ied_size)
+		setup_ied_area(&smm_reloc_params);
+
+	*smm_save_state_size = sizeof(em64t101_smm_state_save_area_t);
+}
+
+void smm_initialize(void)
+{
+	/* Clear the SMM state in the southbridge. */
+	smm_southbridge_clear_state();
+
+	/*
+	 * Run the relocation handler for on the BSP to check and set up
+	 * parallel SMM relocation.
+	 */
+	smm_initiate_relocation();
+
+	if (smm_reloc_params.smm_save_state_in_msrs)
+		printk(BIOS_DEBUG, "Doing parallel SMM relocation.\n");
+}
+
+void smm_relocate(void)
+{
+	/*
+	 * If smm_save_state_in_msrs is non-zero then parallel SMM relocation
+	 * shall take place. Run the relocation handler a second time on the
+	 * BSP to do * the final move. For APs, a relocation handler always
+	 * needs to be run.
+	 */
+	if (smm_reloc_params.smm_save_state_in_msrs)
+		smm_initiate_relocation_parallel();
+	else if (!boot_cpu())
+		smm_initiate_relocation();
+}
+
+void smm_lock(void)
+{
+	struct device *sa_dev = pcidev_path_on_root(SA_DEVFN_ROOT);
+	/*
+	 * LOCK the SMM memory window and enable normal SMM.
+	 * After running this function, only a full reset can
+	 * make the SMM registers writable again.
+	 */
+	printk(BIOS_DEBUG, "Locking SMM.\n");
+	pci_write_config8(sa_dev, SMRAM, D_LCK | G_SMRAME | C_BASE_SEG);
+}
diff --git a/src/soc/intel/tigerlake/spi.c b/src/soc/intel/tigerlake/spi.c
new file mode 100644
index 0000000000..df4a593368
--- /dev/null
+++ b/src/soc/intel/tigerlake/spi.c
@@ -0,0 +1,39 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/*
+ * This file is created based on Intel Tiger Lake Processor PCH Datasheet
+ * Document number: 575857
+ * Chapter number: 7
+ */
+
+#include <intelblocks/spi.h>
+#include <soc/pci_devs.h>
+
+int spi_soc_devfn_to_bus(unsigned int devfn)
+{
+	switch (devfn) {
+	case PCH_DEVFN_SPI:
+		return 0;
+	case PCH_DEVFN_GSPI0:
+		return 1;
+	case PCH_DEVFN_GSPI1:
+		return 2;
+	case PCH_DEVFN_GSPI2:
+		return 3;
+	}
+	return -1;
+}
diff --git a/src/soc/intel/tigerlake/systemagent.c b/src/soc/intel/tigerlake/systemagent.c
new file mode 100644
index 0000000000..9c8f64573d
--- /dev/null
+++ b/src/soc/intel/tigerlake/systemagent.c
@@ -0,0 +1,73 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/*
+ * This file is created based on Intel Tiger Lake Processor SA Datasheet
+ * Document number: 571131
+ * Chapter number: 3
+ */
+
+#include <device/device.h>
+#include <device/pci.h>
+#include <intelblocks/systemagent.h>
+#include <soc/iomap.h>
+#include <soc/systemagent.h>
+
+/*
+ * SoC implementation
+ *
+ * Add all known fixed memory ranges for Host Controller/Memory
+ * controller.
+ */
+void soc_add_fixed_mmio_resources(struct device *dev, int *index)
+{
+	static const struct sa_mmio_descriptor soc_fixed_resources[] = {
+		{ PCIEXBAR, CONFIG_MMCONF_BASE_ADDRESS, CONFIG_SA_PCIEX_LENGTH,
+				"PCIEXBAR" },
+		{ MCHBAR, MCH_BASE_ADDRESS, MCH_BASE_SIZE, "MCHBAR" },
+		{ DMIBAR, DMI_BASE_ADDRESS, DMI_BASE_SIZE, "DMIBAR" },
+		{ EPBAR, EP_BASE_ADDRESS, EP_BASE_SIZE, "EPBAR" },
+		{ REGBAR, REG_BASE_ADDRESS, REG_BASE_SIZE, "REGBAR" },
+		{ EDRAMBAR, EDRAM_BASE_ADDRESS, EDRAM_BASE_SIZE, "EDRAMBAR" },
+		/*
+		 * PMC pci device gets hidden from PCI bus due to Silicon
+		 * policy hence binding PMCBAR aka PWRMBASE (offset 0x10) with
+		 * SA resources to ensure that PMCBAR falls under PCI reserved
+		 * memory range.
+		 *
+		 * Note: Don't add any more resource with same offset 0x10
+		 * under this device space.
+		 */
+		{ PCI_BASE_ADDRESS_0, PCH_PWRM_BASE_ADDRESS, PCH_PWRM_BASE_SIZE,
+				"PMCBAR" },
+	};
+
+	sa_add_fixed_mmio_resources(dev, index, soc_fixed_resources,
+			ARRAY_SIZE(soc_fixed_resources));
+}
+
+/*
+ * SoC implementation
+ *
+ * Perform System Agent Initialization during Ramstage phase.
+ */
+void soc_systemagent_init(struct device *dev)
+{
+	/* Enable Power Aware Interrupt Routing */
+	enable_power_aware_intr();
+
+	/* Enable BIOS Reset CPL */
+	enable_bios_reset_cpl();
+}
diff --git a/src/soc/intel/tigerlake/uart.c b/src/soc/intel/tigerlake/uart.c
new file mode 100644
index 0000000000..b330e7791a
--- /dev/null
+++ b/src/soc/intel/tigerlake/uart.c
@@ -0,0 +1,76 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+/*
+ * This file is created based on Intel Tiger Lake Processor PCH Datasheet
+ * Document number: 575857
+ * Chapter number: 9
+ */
+
+#include <console/console.h>
+#include <device/pci_def.h>
+#include <intelblocks/gpio.h>
+#include <intelblocks/lpss.h>
+#include <intelblocks/pcr.h>
+#include <intelblocks/uart.h>
+#include <soc/iomap.h>
+#include <soc/pch.h>
+#include <soc/pci_devs.h>
+#include <soc/pcr_ids.h>
+
+const struct uart_gpio_pad_config uart_gpio_pads[] = {
+	{
+		.console_index = 0,
+		.gpios = {
+			PAD_CFG_NF(GPP_C8, NONE, DEEP, NF1), /* UART0 RX */
+			PAD_CFG_NF(GPP_C9, NONE, DEEP, NF1), /* UART0 TX */
+		},
+	},
+	{
+		.console_index = 1,
+		.gpios = {
+			PAD_CFG_NF(GPP_C12, NONE, DEEP, NF1), /* UART1 RX */
+			PAD_CFG_NF(GPP_C13, NONE, DEEP, NF1), /* UART1 TX */
+		},
+	},
+	{
+		.console_index = 2,
+		.gpios = {
+			PAD_CFG_NF(GPP_C20, NONE, DEEP, NF1), /* UART2 RX */
+			PAD_CFG_NF(GPP_C21, NONE, DEEP, NF1), /* UART2 TX */
+		},
+	}
+};
+
+const int uart_max_index = ARRAY_SIZE(uart_gpio_pads);
+
+DEVTREE_CONST struct device *soc_uart_console_to_device(int uart_console)
+{
+	/*
+	 * if index is valid, this function will return corresponding structure
+	 * for uart console else will return NULL.
+	 */
+	switch (uart_console) {
+	case 0:
+		return pcidev_path_on_root(PCH_DEVFN_UART0);
+	case 1:
+		return pcidev_path_on_root(PCH_DEVFN_UART1);
+	case 2:
+		return pcidev_path_on_root(PCH_DEVFN_UART2);
+	default:
+		printk(BIOS_ERR, "Invalid UART console index\n");
+		return NULL;
+	}
+}