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- /** @file
- Internal header file for PCH DMI library for SIP15
- Copyright (c) 2019 Intel Corporation. All rights reserved. <BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
- **/
- #ifndef __PCH_DMI_15_H__
- #define __PCH_DMI_15_H__
- #include <Private/Library/PchDmiLib.h>
- #include <Private/Library/PeiPchDmiLib.h>
- /**
- This function checks if DMI SIP15 Secured Register Lock (SRL) is set
- @retval SRL state
- **/
- BOOLEAN
- IsPchDmi15Locked (
- VOID
- );
- /**
- Set DMI thermal throttling to recommended configuration.
- It's intended only for P-DMI SIP15.
- **/
- VOID
- PchDmi15SetRecommendedThermalThrottling (
- VOID
- );
- /**
- Set DMI thermal throttling to custom configuration.
- This function will configure Thermal Sensor 0/1/2/3 TargetWidth and set
- DMI Thermal Sensor Autonomous Width Enable.
- It's intended only for P-DMI SIP15.
- @param[in] DmiThermalThrottling DMI Thermal Throttling structure.
- **/
- VOID
- PchDmi15SetCustomThermalThrottling (
- IN DMI_THERMAL_THROTTLING DmiThermalThrottling
- );
- /**
- Enable PCIe Relaxed Order for DMI SIP15
- **/
- VOID
- PchDmi15EnablePcieRelaxedOrder (
- VOID
- );
- /**
- This function will switch SAI value to be driven to IOSF Primary Fabric
- for cycles with Core BDF from HOSTIA_BOOT_SAI to HOSTIA_POSTBOOT_SAI.
- To be used when PCH is paired with CFL CPU.
- **/
- VOID
- PchDmi15EnablePostBootSai (
- VOID
- );
- /**
- This function will do necessary configuration after platform
- should have switched to POSTBOOT_SAI. It needs to be called even if
- POSTBOOT_SAI was not set.
- **/
- VOID
- PchDmi15ConfigAfterPostBootSai (
- VOID
- );
- /**
- Secure Register Lock data
- @param[out] SrlRegOffset Register offset holding Secure Register Lock setting
- @param[out] SrlRegMask Mask for Secure Register Lock setting
- **/
- VOID
- PchDmi15SrlRegData (
- OUT UINT16 *SrlRegOffset,
- OUT UINT32 *SrlRegMask
- );
- /**
- Get PCH DMI SIP15 Virtual Channel Control and Status registers
- @param[in] Vc The virtual channel number for programing
- @param[out] DmiVcCtlAddress DMI Virtual Channel Control register address
- @param[out] DmiVcStsAddress DMI Virtual Channel Status register address
- **/
- VOID
- PchDmi15VcRegs (
- IN PCH_DMI_VC_TYPE Vc,
- OUT UINT16 *DmiVcCtlAddress,
- OUT UINT16 *DmiVcStsAddress
- );
- /**
- The function sets the Target Link Speed to GEN 3 in P-DMI SIP15.
- @param[in] TargetLinkSpeed Target Link Speed
- 2: GEN2
- 3: GEN3
- **/
- VOID
- PchDmi15SetTargetLinkSpeed (
- IN UINT8 TargetLinkSpeed
- );
- #endif
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