summaryrefslogtreecommitdiff
path: root/Vlv2DeviceRefCodePkg/ValleyView2Soc/SouthCluster/Include/Library/PchPlatformLib.h
diff options
context:
space:
mode:
Diffstat (limited to 'Vlv2DeviceRefCodePkg/ValleyView2Soc/SouthCluster/Include/Library/PchPlatformLib.h')
-rw-r--r--Vlv2DeviceRefCodePkg/ValleyView2Soc/SouthCluster/Include/Library/PchPlatformLib.h121
1 files changed, 121 insertions, 0 deletions
diff --git a/Vlv2DeviceRefCodePkg/ValleyView2Soc/SouthCluster/Include/Library/PchPlatformLib.h b/Vlv2DeviceRefCodePkg/ValleyView2Soc/SouthCluster/Include/Library/PchPlatformLib.h
new file mode 100644
index 0000000000..8f0ca027b4
--- /dev/null
+++ b/Vlv2DeviceRefCodePkg/ValleyView2Soc/SouthCluster/Include/Library/PchPlatformLib.h
@@ -0,0 +1,121 @@
+/**
+**/
+/**
+
+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
+
+**/
+;
+
+#endif