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/**
**/
/**
Copyright (c) 2012 - 2014, Intel Corporation. All rights reserved
This program and the accompanying materials are licensed and made available under
the terms and conditions of the BSD License that accompanies this distribution.
The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
@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
**/
;
UINT32
DetectTurbotBoard (
VOID
);
UINT32
DetectGpioPinValue (
VOID
);
#endif
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