123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115 |
- /**
- **/
- /**
- Copyright (c) 2012 - 2014, Intel Corporation. All rights reserved
- SPDX-License-Identifier: BSD-2-Clause-Patent
- @file
- PchPlatformLib.h
- @brief
- Header file for PchPlatform Lib.
- **/
- #ifndef _PCH_PLATFORM_LIB_H_
- #define _PCH_PLATFORM_LIB_H_
- ///
- /// Timeout value used when Sending / Receiving messages.
- /// NOTE: this must cover the longest possible wait time
- /// between message being sent and response being available.
- /// e.g. Virtual function readiness might take some time.
- ///
- VOID
- EFIAPI
- PchPmTimerStall (
- IN UINTN Microseconds
- )
- /**
- @brief
- Delay for at least the request number of microseconds.
- This function would be called by runtime driver, please do not use any MMIO marco here.
- @param[in] Microseconds Number of microseconds to delay.
- @retval NONE
- **/
- ;
- BOOLEAN
- EFIAPI
- PchIsSpiDescriptorMode (
- IN UINTN SpiBase
- )
- /**
- @brief
- Check whether SPI is in descriptor mode
- @param[in] SpiBase The PCH Spi Base Address
- @retval TRUE SPI is in descriptor mode
- @retval FALSE SPI is not in descriptor mode
- **/
- ;
- PCH_STEPPING
- EFIAPI
- PchStepping (
- VOID
- )
- /**
- @brief
- Return Pch stepping type
- @param[in] None
- @retval PCH_STEPPING Pch stepping type
- **/
- ;
- BOOLEAN
- IsPchSupported (
- VOID
- )
- /**
- @brief
- Determine if PCH is supported
- @param[in] None
- @retval TRUE PCH is supported
- @retval FALSE PCH is not supported
- **/
- ;
- VOID
- EFIAPI
- PchAlternateAccessMode (
- IN UINTN IlbBase,
- IN BOOLEAN AmeCtrl
- )
- /**
- This function can be called to enable/disable Alternate Access Mode
- @param[in] IlbBase The PCH ILB Base Address
- @param[in] AmeCtrl If TRUE, enable Alternate Access Mode.
- If FALSE, disable Alternate Access Mode.
- @retval NONE
- **/
- ;
- #endif
|