src/soc/intel/skylake/chip.h - mirrors/cros/chromiumos/third_party/coreboot - Git at Google

 /*
  * This file is part of the coreboot project.
  *
  * Copyright (C) 2007-2008 coresystems GmbH
  * Copyright (C) 2014 Google Inc.
  * Copyright (C) 2015 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 <arch/acpi_device.h>
 #include <device/i2c.h>
 #include <stdint.h>
 #include <soc/gpio_defs.h>
 #include <soc/gpe.h>
 #include <soc/irq.h>
 #include <soc/intel/common/lpss_i2c.h>
 #include <soc/pci_devs.h>
 #include <soc/pmc.h>
 #include <soc/serialio.h>
 #include <soc/usb.h>
 #include <soc/vr_config.h>

 #define SKYLAKE_I2C_DEV_MAX 6

 enum skylake_i2c_voltage {
 	I2C_VOLTAGE_3V3,
 	I2C_VOLTAGE_1V8
 };

 struct skylake_i2c_config {
 	/* Bus speed in Hz, default is I2C_SPEED_FAST (400 KHz) */
 	enum i2c_speed speed;
 	/* Bus should be enabled prior to ramstage with temporary base */
 	int early_init;
 	/* Custom bus speed configuration { scl_lcnt, scl_hcnt, sda_hold } */
 	struct lpss_i2c_speed_config speed_config[LPSS_I2C_SPEED_CONFIG_COUNT];
 };

 struct soc_intel_skylake_config {
 	/*
 	 * Interrupt Routing configuration
 	 * If bit7 is 1, the interrupt is disabled.
 	 */
 	uint8_t pirqa_routing;
 	uint8_t pirqb_routing;
 	uint8_t pirqc_routing;
 	uint8_t pirqd_routing;
 	uint8_t pirqe_routing;
 	uint8_t pirqf_routing;
 	uint8_t pirqg_routing;
 	uint8_t pirqh_routing;

 	/* 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;
 	int deep_s5_enable;

 	/*
 	 * Deep Sx Configuration
 	 *  DSX_EN_WAKE_PIN       - Enable WAKE# pin
 	 *  DSX_EN_LAN_WAKE_PIN   - Enable LAN_WAKE# pin
 	 *  DSX_EN_AC_PRESENT_PIN - Enable AC_PRESENT pin
 	 */
 	uint32_t deep_sx_config;

 	/* TCC activation offset */
 	int tcc_offset;

 	/*
 	 * The following fields come from FspUpdVpd.h.
 	 * These are configuration values that are passed to FSP during
 	 * MemoryInit.
 	 */
 	u64 PlatformMemorySize;
 	u8 SmramMask;
 	u8 MrcFastBoot;
 	u32 TsegSize;
 	u16 MmioSize;

 	/*
 	 * DDR Frequency Limit
 	 * 0(Auto), 1067, 1333, 1600, 1867, 2133, 2400
 	 */
 	u16 DdrFreqLimit;

 	/* Probeless Trace function */
 	u8 ProbelessTrace;

 	/*
 	 * System Agent dynamic frequency configuration
 	 * When enabled memory will be trained at two different frequencies.
 	 * 0 = Disabled
 	 * 1 = FixedLow
 	 * 2 = FixedHigh
 	 * 3 = Enabled
 	*/
 	u8 SaGv;

 	/* Enable/disable Rank Margin Tool */
 	u8 Rmt;

 	/* Lan */
 	u8 EnableLan;

 	/* SATA related */
 	u8 EnableSata;
 	u8 SataMode;
 	u8 SataSalpSupport;
 	u8 SataPortsEnable[8];
 	u8 SataPortsDevSlp[8];

 	/* Audio related */
 	u8 EnableAzalia;
 	u8 DspEnable;

 	/*
 	 * I/O Buffer Ownership:
 	 * 0: HD-A Link
 	 * 1 Shared, HD-A Link and I2S Port
 	 * 3: I2S Ports
 	 */
 	u8 IoBufferOwnership;

 	/* Trace Hub function */
 	u8 EnableTraceHub;

 	/* Pcie Root Ports */
 	u8 PcieRpEnable[CONFIG_MAX_ROOT_PORTS];
 	u8 PcieRpClkReqSupport[CONFIG_MAX_ROOT_PORTS];
 	u8 PcieRpClkReqNumber[CONFIG_MAX_ROOT_PORTS];

 	/* USB related */
 	struct usb2_port_config usb2_ports[16];
 	struct usb3_port_config usb3_ports[10];
 	u8 XdciEnable;
 	u8 SsicPortEnable;

 	/* SMBus */
 	u8 SmbusEnable;

 	/*
 	 * SerialIO device mode selection:
 	 *
 	 * Device index:
 	 * PchSerialIoIndexI2C0
 	 * PchSerialIoIndexI2C1
 	 * PchSerialIoIndexI2C2
 	 * PchSerialIoIndexI2C3
 	 * PchSerialIoIndexI2C4
 	 * PchSerialIoIndexI2C5
 	 * PchSerialIoIndexI2C6
 	 * PchSerialIoIndexSpi0
 	 * PchSerialIoIndexSpi1
 	 * PchSerialIoIndexUart0
 	 * PchSerialIoIndexUart1
 	 * PchSerialIoIndexUart2
 	 *
 	 * Mode select:
 	 * PchSerialIoDisabled
 	 * PchSerialIoAcpi
 	 * PchSerialIoPci
 	 * PchSerialIoAcpiHidden
 	 * PchSerialIoLegacyUart
 	 */
 	u8 SerialIoDevMode[PchSerialIoIndexMax];

 	/* I2C */
 	/* Bus voltage level, default is 3.3V */
 	enum skylake_i2c_voltage i2c_voltage[SKYLAKE_I2C_DEV_MAX];
 	struct lpss_i2c_bus_config i2c[SKYLAKE_I2C_DEV_MAX];

 	/* Camera */
 	u8 Cio2Enable;

 	/* eMMC and SD */
 	u8 ScsEmmcEnabled;
 	u8 ScsEmmcHs400Enabled;
 	u8 ScsSdCardEnabled;

 	/* Integrated Sensor */
 	u8 IshEnable;

 	u8 PttSwitch;
 	u8 HeciTimeouts;
 	u8 HsioMessaging;
 	u8 Heci3Enabled;

 	/* Gfx related */
 	u8 IgdDvmt50PreAlloc;
 	u8 PrimaryDisplay;
 	u8 InternalGfx;
 	u8 ApertureSize;
 	u8 SkipExtGfxScan;
 	u8 ScanExtGfxForLegacyOpRom;

 	/*
 	 * The following fields come from fsp_vpd.h
 	 * These are configuration values that are passed to FSP during
 	 * SiliconInit.
 	 */
 	u32 LogoPtr;
 	u32 LogoSize;
 	u32 GraphicsConfigPtr;
 	u8 Device4Enable;
 	u8 RtcLock;
 	/* GPIO IRQ Route  The valid values is 14 or 15*/
 	u8 GpioIrqSelect;
 	/* SCI IRQ Select  The valid values is 9, 10, 11 and 20 21, 22, 23*/
 	u8 SciIrqSelect;
 	/* TCO IRQ Select  The valid values is 9, 10, 11, 20 21, 22, 23*/
 	u8 TcoIrqSelect;
 	u8 TcoIrqEnable;
 	/* Enable SMI_LOCK bit to prevent writes to the Global SMI Enable bit.*/
 	u8 LockDownConfigGlobalSmi;
 	/*
 	 * Enable BIOS Interface Lock Down bit to prevent writes to the Backup
 	 * Control Register. Top Swap bit and the General Control and Status
 	 * Registers Boot BIOS Straps.
 	 */
 	u8 LockDownConfigBiosInterface;
 	/*
 	 * Enable RTC lower and upper 128 byte Lock bits to lock Bytes 38h-3Fh
 	 * in the upper and and lower 128-byte bank of RTC RAM.
 	 */
 	u8 LockDownConfigRtcLock;
 	/*
 	 * When enabled, the BIOS Region can only be modified from SMM after
 	 * EndOfDxe protocol is installed
 	 */
 	u8 LockDownConfigBiosLock;
 	/*
 	 * Enable InSMM.STS (EISS) in SPI If this bit is set, then WPD must be a
 	 * '1' and InSMM.STS must be '1' also in order to write to BIOS regions of
 	 * SPI Flash. If this bit is clear, then the InSMM.STS is a don't care. The
 	 * BIOS must set the EISS bit while BIOS Guard support is enabled.
 	 */
 	u8 LockDownConfigSpiEiss;
 	/* Subsystem Vendor ID of the PCH devices*/
 	u16 PchConfigSubSystemVendorId;
 	/* Subsystem ID of the PCH devices*/
 	u16 PchConfigSubSystemId;

 	/*
 	 * Determine if WLAN wake from Sx, corresponds to the
 	 * HOST_WLAN_PP_EN bit in the PWRM_CFG3 register.
 	 */
 	u8 PchPmWoWlanEnable;

 	/*
 	 * Determine if WLAN wake from DeepSx, corresponds to
 	 * the DSX_WLAN_PP_EN bit in the PWRM_CFG3 register.
 	 */
 	u8 PchPmWoWlanDeepSxEnable;

 	/*
 	 * Corresponds to the "WOL Enable Override" bit in the General PM
 	 * Configuration B (GEN_PMCON_B) register
 	 */
 	u8 WakeConfigWolEnableOverride;
 	/* Determine if enable PCIe to wake from deep Sx*/
 	u8 WakeConfigPcieWakeFromDeepSx;
 	/* Deep Sx Policy. Values 0: PchDeepSxPolDisable,
 	 * 1: PchDpS5BatteryEn, 2: PchDpS5AlwaysEn, 3: PchDpS4S5BatteryEn,
 	 * 4: PchDpS4S5AlwaysEn, 5: PchDpS3S4S5BatteryEn, 6: PchDpS3S4S5AlwaysEn
 	 */
 	u8 PmConfigDeepSxPol;
 	/*
 	 * SLP_S3 Minimum Assertion Width Policy. Values 0: PchSlpS360us,
 	 * 1: PchSlpS31ms, 2: PchSlpS350ms, 3: PchSlpS32s.
 	 */
 	u8 PmConfigSlpS3MinAssert;
 	/*
 	 * SLP_S4 Minimum Assertion Width Policy. Values 0: PchSlpS4PchTime,
 	 * 1: PchSlpS41s, 2: PchSlpS42s, 3: PchSlpS43s, 4: PchSlpS44s.
 	 */
 	u8 PmConfigSlpS4MinAssert;
 	/*
 	 * SLP_SUS Minimum Assertion Width Policy. Values 0: PchSlpSus0ms,
 	 * 1: PchSlpSus500ms, 2: PchSlpSus1s, 3: PchSlpSus4s.
 	 */
 	u8 PmConfigSlpSusMinAssert;
 	/*
 	 * SLP_A Minimum Assertion Width Policy. Values 0: PchSlpA0ms,
 	 * 1: PchSlpA4s, 2: PchSlpA98ms, 3: PchSlpA2s.
 	 */
 	u8 PmConfigSlpAMinAssert;
 	/*
 	 * This member describes whether or not the PCI ClockRun feature of PCH
 	 * should be enabled. Values 0: Disabled, 1: Enabled
 	 */
 	u8 PmConfigPciClockRun;
 	/*
 	 * SLP_X Stretching After SUS Well Power Up. Values 0: Disabled, 1: Enabled
 	 */
 	u8 PmConfigSlpStrchSusUp;
 	/*
 	 * PCH power button override period.
 	 * Values: 0x0 - 4s, 0x1 - 6s, 0x2 - 8s, 0x3 - 10s, 0x4 - 12s, 0x5 - 14s
 	 */
 	u8 PmConfigPwrBtnOverridePeriod;
 	/*
 	 * Reset Power Cycle Duration could be customized in the unit of second.
 	 * PCH HW default is 4 seconds, and range is 1~4 seconds.
 	 * Values: 0x0 - 0s, 0x1 - 1s, 0x2 - 2s, 0x3 - 3s, 0x4 - 4s
 	 */
 	u8 PmConfigPwrCycDur;
 	/* Determines if enable Serial IRQ. Values 0: Disabled, 1: Enabled.*/
 	u8 SerialIrqConfigSirqEnable;
 	/* Serial IRQ Mode Select. Values: 0: PchQuietMode, 1: PchContinuousMode.*/
 	u8 SerialIrqConfigSirqMode;
 	/*
 	 * Start Frame Pulse Width.
 	 * Values: 0: PchSfpw4Clk, 1: PchSfpw6Clk, 2; PchSfpw8Clk.
 	 */
 	u8 SerialIrqConfigStartFramePulse;
 	u8 FspSkipMpInit;
 	/*
 	 * VrConfig Settings for 5 domains
 	 * 0 = System Agent, 1 = IA Core, 2 = Ring,
 	 * 3 = GT unsliced,  4 = GT sliced
 	 */
 	struct vr_config domain_vr_config[NUM_VR_DOMAINS];
 	/*
 	 * HeciEnabled decides the state of Heci1 at end of boot
 	 * Setting to 0 (default) disables Heci1 and hides the device from OS
 	 */
 	u8 HeciEnabled;
 	/* PL2 Override value in Watts */
 	u32 tdp_pl2_override;
 	u8 PmTimerDisabled;
 	/* Intel Speed Shift Technology */
 	u8 speed_shift_enable;
 	/*
 	 * Enable VR specific mailbox command
 	 * 000b - Don't Send any VR command
 	 * 001b - VR command specifically for the MPS IMPV8 VR will be sent
 	 * 010b - VR specific command sent for PS4 exit issue
 	 * 011b - VR specific command sent for both MPS IMPV8 & PS4 exit issue
 	*/
 	u8 SendVrMbxCmd;

 	/* Enable/Disable VMX feature */
 	u8 VmxEnable;

 	/* Statically clock gate 8254 PIT. */
 	u8 clock_gate_8254;

 	/*
 	 * Use SD card detect GPIO with default config:
 	 * - Edge triggered
 	 * - No internal pull
 	 * - Active both (high + low)
 	 * - Can wake device from D3
 	 * - 100ms debounce timeout
 	 *
 	 * GpioInt (Edge, ActiveBoth, SharedAndWake, PullNone, 10000,
 	 *          "\\_SB.PCI0.GPIO", 0, ResourceConsumer)
 	 *          { sdcard_cd_gpio_default }
 	 */
 	unsigned sdcard_cd_gpio_default;

 	/* Use custom SD card detect GPIO configuration */
 	struct acpi_gpio sdcard_cd_gpio;

 	/* Wake Enable Bitmap for USB2 ports */
 	u16 usb2_wake_enable_bitmap;

 	/* Wake Enable Bitmap for USB3 ports */
 	u8 usb3_wake_enable_bitmap;
 };

 typedef struct soc_intel_skylake_config config_t;

 extern struct chip_operations soc_ops;

 #endif
	/*
	* This file is part of the coreboot project.
	*
	* Copyright (C) 2007-2008 coresystems GmbH
	* Copyright (C) 2014 Google Inc.
	* Copyright (C) 2015 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 <arch/acpi_device.h>
	#include <device/i2c.h>
	#include <stdint.h>
	#include <soc/gpio_defs.h>
	#include <soc/gpe.h>
	#include <soc/irq.h>
	#include <soc/intel/common/lpss_i2c.h>
	#include <soc/pci_devs.h>
	#include <soc/pmc.h>
	#include <soc/serialio.h>
	#include <soc/usb.h>
	#include <soc/vr_config.h>

	#define SKYLAKE_I2C_DEV_MAX 6

	enum skylake_i2c_voltage {
	I2C_VOLTAGE_3V3,
	I2C_VOLTAGE_1V8
	};

	struct skylake_i2c_config {
	/* Bus speed in Hz, default is I2C_SPEED_FAST (400 KHz) */
	enum i2c_speed speed;
	/* Bus should be enabled prior to ramstage with temporary base */
	int early_init;
	/* Custom bus speed configuration { scl_lcnt, scl_hcnt, sda_hold } */
	struct lpss_i2c_speed_config speed_config[LPSS_I2C_SPEED_CONFIG_COUNT];
	};

	struct soc_intel_skylake_config {
	/*
	* Interrupt Routing configuration
	* If bit7 is 1, the interrupt is disabled.
	*/
	uint8_t pirqa_routing;
	uint8_t pirqb_routing;
	uint8_t pirqc_routing;
	uint8_t pirqd_routing;
	uint8_t pirqe_routing;
	uint8_t pirqf_routing;
	uint8_t pirqg_routing;
	uint8_t pirqh_routing;

	/* 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;
	int deep_s5_enable;

	/*
	* Deep Sx Configuration
	* DSX_EN_WAKE_PIN - Enable WAKE# pin
	* DSX_EN_LAN_WAKE_PIN - Enable LAN_WAKE# pin
	* DSX_EN_AC_PRESENT_PIN - Enable AC_PRESENT pin
	*/
	uint32_t deep_sx_config;

	/* TCC activation offset */
	int tcc_offset;

	/*
	* The following fields come from FspUpdVpd.h.
	* These are configuration values that are passed to FSP during
	* MemoryInit.
	*/
	u64 PlatformMemorySize;
	u8 SmramMask;
	u8 MrcFastBoot;
	u32 TsegSize;
	u16 MmioSize;

	/*
	* DDR Frequency Limit
	* 0(Auto), 1067, 1333, 1600, 1867, 2133, 2400
	*/
	u16 DdrFreqLimit;

	/* Probeless Trace function */
	u8 ProbelessTrace;

	/*
	* System Agent dynamic frequency configuration
	* When enabled memory will be trained at two different frequencies.
	* 0 = Disabled
	* 1 = FixedLow
	* 2 = FixedHigh
	* 3 = Enabled
	*/
	u8 SaGv;

	/* Enable/disable Rank Margin Tool */
	u8 Rmt;

	/* Lan */
	u8 EnableLan;

	/* SATA related */
	u8 EnableSata;
	u8 SataMode;
	u8 SataSalpSupport;
	u8 SataPortsEnable[8];
	u8 SataPortsDevSlp[8];

	/* Audio related */
	u8 EnableAzalia;
	u8 DspEnable;

	/*
	* I/O Buffer Ownership:
	* 0: HD-A Link
	* 1 Shared, HD-A Link and I2S Port
	* 3: I2S Ports
	*/
	u8 IoBufferOwnership;

	/* Trace Hub function */
	u8 EnableTraceHub;

	/* Pcie Root Ports */
	u8 PcieRpEnable[CONFIG_MAX_ROOT_PORTS];
	u8 PcieRpClkReqSupport[CONFIG_MAX_ROOT_PORTS];
	u8 PcieRpClkReqNumber[CONFIG_MAX_ROOT_PORTS];

	/* USB related */
	struct usb2_port_config usb2_ports[16];
	struct usb3_port_config usb3_ports[10];
	u8 XdciEnable;
	u8 SsicPortEnable;

	/* SMBus */
	u8 SmbusEnable;

	/*
	* SerialIO device mode selection:
	*
	* Device index:
	* PchSerialIoIndexI2C0
	* PchSerialIoIndexI2C1
	* PchSerialIoIndexI2C2
	* PchSerialIoIndexI2C3
	* PchSerialIoIndexI2C4
	* PchSerialIoIndexI2C5
	* PchSerialIoIndexI2C6
	* PchSerialIoIndexSpi0
	* PchSerialIoIndexSpi1
	* PchSerialIoIndexUart0
	* PchSerialIoIndexUart1
	* PchSerialIoIndexUart2
	*
	* Mode select:
	* PchSerialIoDisabled
	* PchSerialIoAcpi
	* PchSerialIoPci
	* PchSerialIoAcpiHidden
	* PchSerialIoLegacyUart
	*/
	u8 SerialIoDevMode[PchSerialIoIndexMax];

	/* I2C */
	/* Bus voltage level, default is 3.3V */
	enum skylake_i2c_voltage i2c_voltage[SKYLAKE_I2C_DEV_MAX];
	struct lpss_i2c_bus_config i2c[SKYLAKE_I2C_DEV_MAX];

	/* Camera */
	u8 Cio2Enable;

	/* eMMC and SD */
	u8 ScsEmmcEnabled;
	u8 ScsEmmcHs400Enabled;
	u8 ScsSdCardEnabled;

	/* Integrated Sensor */
	u8 IshEnable;

	u8 PttSwitch;
	u8 HeciTimeouts;
	u8 HsioMessaging;
	u8 Heci3Enabled;

	/* Gfx related */
	u8 IgdDvmt50PreAlloc;
	u8 PrimaryDisplay;
	u8 InternalGfx;
	u8 ApertureSize;
	u8 SkipExtGfxScan;
	u8 ScanExtGfxForLegacyOpRom;

	/*
	* The following fields come from fsp_vpd.h
	* These are configuration values that are passed to FSP during
	* SiliconInit.
	*/
	u32 LogoPtr;
	u32 LogoSize;
	u32 GraphicsConfigPtr;
	u8 Device4Enable;
	u8 RtcLock;
	/* GPIO IRQ Route The valid values is 14 or 15*/
	u8 GpioIrqSelect;
	/* SCI IRQ Select The valid values is 9, 10, 11 and 20 21, 22, 23*/
	u8 SciIrqSelect;
	/* TCO IRQ Select The valid values is 9, 10, 11, 20 21, 22, 23*/
	u8 TcoIrqSelect;
	u8 TcoIrqEnable;
	/* Enable SMI_LOCK bit to prevent writes to the Global SMI Enable bit.*/
	u8 LockDownConfigGlobalSmi;
	/*
	* Enable BIOS Interface Lock Down bit to prevent writes to the Backup
	* Control Register. Top Swap bit and the General Control and Status
	* Registers Boot BIOS Straps.
	*/
	u8 LockDownConfigBiosInterface;
	/*
	* Enable RTC lower and upper 128 byte Lock bits to lock Bytes 38h-3Fh
	* in the upper and and lower 128-byte bank of RTC RAM.
	*/
	u8 LockDownConfigRtcLock;
	/*
	* When enabled, the BIOS Region can only be modified from SMM after
	* EndOfDxe protocol is installed
	*/
	u8 LockDownConfigBiosLock;
	/*
	* Enable InSMM.STS (EISS) in SPI If this bit is set, then WPD must be a
	* '1' and InSMM.STS must be '1' also in order to write to BIOS regions of
	* SPI Flash. If this bit is clear, then the InSMM.STS is a don't care. The
	* BIOS must set the EISS bit while BIOS Guard support is enabled.
	*/
	u8 LockDownConfigSpiEiss;
	/* Subsystem Vendor ID of the PCH devices*/
	u16 PchConfigSubSystemVendorId;
	/* Subsystem ID of the PCH devices*/
	u16 PchConfigSubSystemId;

	/*
	* Determine if WLAN wake from Sx, corresponds to the
	* HOST_WLAN_PP_EN bit in the PWRM_CFG3 register.
	*/
	u8 PchPmWoWlanEnable;

	/*
	* Determine if WLAN wake from DeepSx, corresponds to
	* the DSX_WLAN_PP_EN bit in the PWRM_CFG3 register.
	*/
	u8 PchPmWoWlanDeepSxEnable;

	/*
	* Corresponds to the "WOL Enable Override" bit in the General PM
	* Configuration B (GEN_PMCON_B) register
	*/
	u8 WakeConfigWolEnableOverride;
	/* Determine if enable PCIe to wake from deep Sx*/
	u8 WakeConfigPcieWakeFromDeepSx;
	/* Deep Sx Policy. Values 0: PchDeepSxPolDisable,
	* 1: PchDpS5BatteryEn, 2: PchDpS5AlwaysEn, 3: PchDpS4S5BatteryEn,
	* 4: PchDpS4S5AlwaysEn, 5: PchDpS3S4S5BatteryEn, 6: PchDpS3S4S5AlwaysEn
	*/
	u8 PmConfigDeepSxPol;
	/*
	* SLP_S3 Minimum Assertion Width Policy. Values 0: PchSlpS360us,
	* 1: PchSlpS31ms, 2: PchSlpS350ms, 3: PchSlpS32s.
	*/
	u8 PmConfigSlpS3MinAssert;
	/*
	* SLP_S4 Minimum Assertion Width Policy. Values 0: PchSlpS4PchTime,
	* 1: PchSlpS41s, 2: PchSlpS42s, 3: PchSlpS43s, 4: PchSlpS44s.
	*/
	u8 PmConfigSlpS4MinAssert;
	/*
	* SLP_SUS Minimum Assertion Width Policy. Values 0: PchSlpSus0ms,
	* 1: PchSlpSus500ms, 2: PchSlpSus1s, 3: PchSlpSus4s.
	*/
	u8 PmConfigSlpSusMinAssert;
	/*
	* SLP_A Minimum Assertion Width Policy. Values 0: PchSlpA0ms,
	* 1: PchSlpA4s, 2: PchSlpA98ms, 3: PchSlpA2s.
	*/
	u8 PmConfigSlpAMinAssert;
	/*
	* This member describes whether or not the PCI ClockRun feature of PCH
	* should be enabled. Values 0: Disabled, 1: Enabled
	*/
	u8 PmConfigPciClockRun;
	/*
	* SLP_X Stretching After SUS Well Power Up. Values 0: Disabled, 1: Enabled
	*/
	u8 PmConfigSlpStrchSusUp;
	/*
	* PCH power button override period.
	* Values: 0x0 - 4s, 0x1 - 6s, 0x2 - 8s, 0x3 - 10s, 0x4 - 12s, 0x5 - 14s
	*/
	u8 PmConfigPwrBtnOverridePeriod;
	/*
	* Reset Power Cycle Duration could be customized in the unit of second.
	* PCH HW default is 4 seconds, and range is 1~4 seconds.
	* Values: 0x0 - 0s, 0x1 - 1s, 0x2 - 2s, 0x3 - 3s, 0x4 - 4s
	*/
	u8 PmConfigPwrCycDur;
	/* Determines if enable Serial IRQ. Values 0: Disabled, 1: Enabled.*/
	u8 SerialIrqConfigSirqEnable;
	/* Serial IRQ Mode Select. Values: 0: PchQuietMode, 1: PchContinuousMode.*/
	u8 SerialIrqConfigSirqMode;
	/*
	* Start Frame Pulse Width.
	* Values: 0: PchSfpw4Clk, 1: PchSfpw6Clk, 2; PchSfpw8Clk.
	*/
	u8 SerialIrqConfigStartFramePulse;
	u8 FspSkipMpInit;
	/*
	* VrConfig Settings for 5 domains
	* 0 = System Agent, 1 = IA Core, 2 = Ring,
	* 3 = GT unsliced, 4 = GT sliced
	*/
	struct vr_config domain_vr_config[NUM_VR_DOMAINS];
	/*
	* HeciEnabled decides the state of Heci1 at end of boot
	* Setting to 0 (default) disables Heci1 and hides the device from OS
	*/
	u8 HeciEnabled;
	/* PL2 Override value in Watts */
	u32 tdp_pl2_override;
	u8 PmTimerDisabled;
	/* Intel Speed Shift Technology */
	u8 speed_shift_enable;
	/*
	* Enable VR specific mailbox command
	* 000b - Don't Send any VR command
	* 001b - VR command specifically for the MPS IMPV8 VR will be sent
	* 010b - VR specific command sent for PS4 exit issue
	* 011b - VR specific command sent for both MPS IMPV8 & PS4 exit issue
	*/
	u8 SendVrMbxCmd;

	/* Enable/Disable VMX feature */
	u8 VmxEnable;

	/* Statically clock gate 8254 PIT. */
	u8 clock_gate_8254;

	/*
	* Use SD card detect GPIO with default config:
	* - Edge triggered
	* - No internal pull
	* - Active both (high + low)
	* - Can wake device from D3
	* - 100ms debounce timeout
	*
	* GpioInt (Edge, ActiveBoth, SharedAndWake, PullNone, 10000,
	* "\\_SB.PCI0.GPIO", 0, ResourceConsumer)
	* { sdcard_cd_gpio_default }
	*/
	unsigned sdcard_cd_gpio_default;

	/* Use custom SD card detect GPIO configuration */
	struct acpi_gpio sdcard_cd_gpio;

	/* Wake Enable Bitmap for USB2 ports */
	u16 usb2_wake_enable_bitmap;

	/* Wake Enable Bitmap for USB3 ports */
	u8 usb3_wake_enable_bitmap;
	};

	typedef struct soc_intel_skylake_config config_t;

	extern struct chip_operations soc_ops;

	#endif