/** @file The GUID definition for PchConfigHob Copyright (c) 2021, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ #ifndef _PCH_CONFIG_HOB_H_ #define _PCH_CONFIG_HOB_H_ #include #include #include #include #include #include #include #include #include #include extern EFI_GUID gPchConfigHobGuid; #pragma pack (push,1) /** This structure contains the HOB which are related to PCH general config. **/ typedef struct { /** This member describes whether or not the Compatibility Revision ID (CRID) feature of PCH should be enabled. 0: Disable; 1: Enable **/ UINT32 Crid : 1; UINT32 RsvdBits0 : 31; ///< Reserved bits } GENERAL_HOB; /** The SMBUS_CONFIG block lists the reserved addresses for non-ARP capable devices in the platform. **/ typedef struct { UINT8 RsvdBytes[3]; ///< Reserved bytes UINT8 NumRsvdSmbusAddresses; ///< The number of elements in the RsvdSmbusAddressTable. /** Array of addresses reserved for non-ARP-capable SMBus devices. **/ UINT8 RsvdSmbusAddressTable[PCH_MAX_SMBUS_RESERVED_ADDRESS]; } SMBUS_HOB; /** The INTERRUPT_HOB describes interrupt settings for PCH. **/ typedef struct { UINT8 NumOfDevIntConfig; ///< Number of entries in DevIntConfig table UINT8 GpioIrqRoute; ///< Interrupt routing for GPIO. Default is 14. UINT8 Rsvd0[2]; ///< Reserved bytes, align to multiple 4. PCH_DEVICE_INTERRUPT_CONFIG DevIntConfig[PCH_MAX_DEVICE_INTERRUPT_CONFIG]; ///< Array which stores PCH devices interrupts settings } INTERRUPT_HOB; /** The SERIAL_IO block provides the configurations to set the Serial IO controllers **/ typedef struct { SERIAL_IO_SPI_CONFIG SpiDeviceConfig[PCH_MAX_SERIALIO_SPI_CONTROLLERS]; ///< SPI Configuration SERIAL_IO_I2C_CONFIG I2cDeviceConfig[PCH_MAX_SERIALIO_I2C_CONTROLLERS]; ///< I2C Configuration SERIAL_IO_UART_CONFIG UartDeviceConfig[PCH_MAX_SERIALIO_UART_CONTROLLERS]; ///< UART Configuration } SERIAL_IO_HOB; /** The PCIERP_HOB block describes the expected configuration of the PCH PCI Express controllers **/ typedef struct { /// /// These members describe the configuration of each PCH PCIe root port. /// PCH_PCIE_ROOT_PORT_CONFIG RootPort[PCH_MAX_PCIE_ROOT_PORTS]; PCH_PCIE_CLOCK PcieClock[PCH_MAX_PCIE_CLOCKS]; /** This member allows BIOS to control ICC PLL Shutdown by determining PCIe devices are LTR capable or leaving untouched. - 0: Disable, ICC PLL Shutdown is determined by PCIe device LTR capablility. - To allow ICC PLL shutdown if all present PCIe devices are LTR capable or if no PCIe devices are presented for maximum power savings where possible. - To disable ICC PLL shutdown when BIOS detects any non-LTR capable PCIe device for ensuring device functionality. - 1: Enable, To allow ICC PLL shutdown even if some devices do not support LTR capability. **/ UINT32 AllowNoLtrIccPllShutdown : 1; UINT32 RsvdBits0 : 31; ///< Reserved bits } PCIERP_HOB; /** The HDAUDIO_HOB block describes the configuration of the PCH cAVS controller **/ typedef struct { UINT32 DspEnable : 1; ///< DSP enablement: 0: Disable; 1: Enable UINT32 DspUaaCompliance : 1; ///< UAA-mode Select: 0: Non-Uaa; 1: UAA UINT32 CodecSxWakeCapability : 1; ///< Capability to detect wake initiated by a codec in Sx, 0: Disable; 1: Enable UINT32 AudioLinkSndw1 : 1; ///< SoundWire1 link enablement: 0: Disable; 1: Enable. Muxed with HDA UINT32 AudioLinkSndw2 : 1; ///< SoundWire2 link enablement: 0: Disable; 1: Enable. Muxed with SSP1 UINT32 AudioLinkSndw3 : 1; ///< SoundWire3 link enablement: 0: Disable; 1: Enable. Muxed with DMIC1 UINT32 AudioLinkSndw4 : 1; ///< SoundWire4 link enablement: 0: Disable; 1: Enable. Muxed with DMIC0 UINT32 Pme : 1; ///< Azalia wake-on-ring, 0: Disable; 1: Enable UINT32 RsvdBits0 : 24; ///< Reserved bits } HDAUDIO_HOB; /** The SATA_HOB block describes the configuration of the PCH SATA controllers **/ typedef struct { /** This member describes whether or not the SATA controllers should be enabled. 0: Disable; 1: Enable. **/ UINT32 Enable : 1; UINT32 TestMode : 1; ///< (Test) 0: Disable; 1: Allow entrance to the PCH SATA test modes UINT32 RsvdBits0 : 30; ///< Reserved bits /** This member configures the features, property, and capability for each SATA port. **/ PCH_SATA_PORT_CONFIG PortSettings[PCH_MAX_SATA_PORTS]; } SATA_HOB; /** The RST block describes the configuration of the RST PCIE Cycle Routers **/ typedef struct { /** This member describes the details of implementation of Intel RST for PCIe Storage remapping (Intel RST Driver is required) **/ RST_HARDWARE_REMAPPED_STORAGE_CONFIG RstHardwareRemappedStorageConfig[PCH_MAX_RST_PCIE_STORAGE_CR]; } RST_HOB; typedef struct { UINT32 Enabled : 1; ///< Indicates that SD card has been enabled UINT32 Reserved : 31; } SD_CARD_HOB; /** The EMMC_HOB block describes integrated eMMC settings for PCH. **/ typedef struct { UINT32 Enabled : 1; ///< Determine if eMMC is enabled - 0: Disabled, 1: Enabled. UINT32 Hs400Enabled : 1; ///< Determine eMMC HS400 Mode if EmmcEnabled - 0: Disabled, 1: Enabled /** Determine if HS400 Training is required, set to FALSE if Hs400 Data is valid. 0: Disabled, 1: Enabled. First Boot or CMOS clear, system boot with Default settings, set tuning required. Subsequent Boots, Get Variable 'Hs400TuningData' - if failed to get variable, set tuning required - if passed, retrieve Hs400DataValid, Hs400RxStrobe1Dll and Hs400TxDataDll from variable. Set tuning not required. **/ UINT32 Hs400DllDataValid : 1; ///< Set if HS400 Tuning Data Valid UINT32 RsvdBits : 29; } EMMC_HOB; /** The PCH_LOCK_DOWN_CONFIG block describes the expected configuration of the PCH for security requirement. **/ typedef struct { UINT32 GlobalSmi : 1; /** (Test) 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. 0: Disable; 1: Enable. **/ UINT32 BiosInterface : 1; /** Enable the BIOS Lock Enable (BLE) feature and set EISS bit (D31:F5:RegDCh[5]) for the BIOS region protection. When it is enabled, the BIOS Region can only be modified from SMM after EndOfDxe protocol is installed. Note: When BiosLock is enabled, platform code also needs to update to take care of BIOS modification (including SetVariable) in DXE or runtime phase after EndOfDxe protocol is installed. Enable InSMM.STS (EISS) in SPI If this EISS 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 EISS 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. In recovery path, platform can temporary disable EISS for SPI programming in PEI phase or early DXE phase. 0: Disable; 1: Enable. **/ UINT32 BiosLock : 1; UINT32 RsvdBits : 29; } LOCK_DOWN_HOB; /** The PM_HOB block describes expected miscellaneous power management settings. The PowerResetStatusClear field would clear the Power/Reset status bits, please set the bits if you want PCH Init driver to clear it, if you want to check the status later then clear the bits. **/ typedef struct { UINT32 PsOnEnable : 1; ///< Indicates if PS_ON support has been enabled, 0: Disable; 1: Enable. UINT32 EnableTimedGpio0 : 1; ///< Enable Bit for Timed GPIO 0 0 = disable; 1 = enable UINT32 EnableTimedGpio1 : 1; ///< Enable Bit for Timed GPIO 1 0 = disable; 1 = enable UINT32 RsvdBits1 : 29; } PM_HOB; /** FIVR_HOB block **/ typedef struct { /** Additional External Vnn VR rail configuration dedicated for Sx. Required only if External Vnn VR needs different settings for Sx than those specified in ExtVnnRail (refer to PCH_FIVR_CONFIG.ExtVnnRail) **/ FIVR_EXT_RAIL_CONFIG ExtVnnRailSx; } FIVR_HOB; /** PCH Trace Hub HOB settings. **/ typedef struct { UINT32 PchTraceHubMode : 2; ///< 0 = Disable; 1 = Target Debugger mode; 2 = Host Debugger mode UINT32 Rsvd1 : 30; ///< Reserved bits /** Trace hub memory buffer region size policy. The avaliable memory size options are: 0:0MB (none), 1:1MB, 2:8MB, 3:64MB, 4:128MB, 5:256MB, 6:512MB. Note : Limitation of total buffer size (CPU + PCH) is 512MB. If iTbt is enabled, the total size limits to 256 MB. Refer to TRACE_BUFFER_SIZE **/ UINT32 MemReg0Size; UINT32 MemReg1Size; } PCH_TRACEHUB_HOB; /** PCH eSPI HOB settings. **/ typedef struct { UINT32 BmeMasterSlaveEnabled : 1; ///< 0 = BME disable; 1 = BME enable UINT32 RsvdBits : 31; ///< Reserved bits } PCH_ESPI_HOB; /** THC HOB settings. **/ typedef struct { THC_PORT ThcPort[2]; ///< Port Configuration } THC_HOB; /** This structure contains the HOBs which are related to PCH controllers **/ typedef struct { EFI_HOB_GUID_TYPE EfiHobGuidType; ///< GUID HOB type structure for gPchConfigHobGuid GENERAL_HOB General; ///< Pch general HOB definition INTERRUPT_HOB Interrupt; ///< Interrupt HOB definition SERIAL_IO_HOB SerialIo; ///< Serial io HOB definition PCIERP_HOB PcieRp; ///< PCIE root port HOB definition SD_CARD_HOB SdCard; ///< SD card HOB definition EMMC_HOB Emmc; ///< eMMC HOB definition LOCK_DOWN_HOB LockDown; ///< Lock down HOB definition PM_HOB Pm; ///< PM HOB definition HDAUDIO_HOB HdAudio; ///< HD audio definition SATA_HOB Sata[PCH_MAX_SATA_CONTROLLERS]; ///< SATA definition RST_HOB Rst; ///< RST definition PROTECTED_RANGE ProtectRange[PCH_FLASH_PROTECTED_RANGES]; SMBUS_HOB Smbus; PCH_TRACEHUB_HOB PchTraceHub; ///< PCH Trace Hub definition PCH_ESPI_HOB Espi; ///< PCH eSPI definition THC_HOB Thc; ///< PCH Tocuh Host Controller definition FIVR_HOB Fivr; ///< PCH FIVR HOB definition } PCH_CONFIG_HOB; #pragma pack (pop) #endif