diff options
Diffstat (limited to 'Core/IntelFsp2Pkg/FspNotifyPhase')
3 files changed, 214 insertions, 0 deletions
diff --git a/Core/IntelFsp2Pkg/FspNotifyPhase/FspNotifyPhasePeim.c b/Core/IntelFsp2Pkg/FspNotifyPhase/FspNotifyPhasePeim.c new file mode 100644 index 0000000000..6acdeb3b60 --- /dev/null +++ b/Core/IntelFsp2Pkg/FspNotifyPhase/FspNotifyPhasePeim.c @@ -0,0 +1,142 @@ +/** @file
+ Source file for FSP notify phase PEI module
+
+ Copyright (c) 2016, 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
+ which 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.
+**/
+
+#include "FspNotifyPhasePeim.h"
+
+/**
+
+ This function waits for FSP notify.
+
+ @param This Entry point for DXE IPL PPI.
+ @param PeiServices General purpose services available to every PEIM.
+ @param HobList Address to the Pei HOB list.
+
+ @return EFI_SUCCESS This function never returns.
+
+**/
+EFI_STATUS
+EFIAPI
+WaitForNotify (
+ IN CONST EFI_DXE_IPL_PPI *This,
+ IN EFI_PEI_SERVICES **PeiServices,
+ IN EFI_PEI_HOB_POINTERS HobList
+ );
+
+CONST EFI_DXE_IPL_PPI mDxeIplPpi = {
+ WaitForNotify
+};
+
+CONST EFI_PEI_PPI_DESCRIPTOR mInstallDxeIplPpi = {
+ EFI_PEI_PPI_DESCRIPTOR_PPI,
+ &gEfiDxeIplPpiGuid,
+ (VOID *) &mDxeIplPpi
+};
+
+CONST EFI_PEI_PPI_DESCRIPTOR gEndOfPeiSignalPpi = {
+ (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
+ &gEfiEndOfPeiSignalPpiGuid,
+ NULL
+};
+
+/**
+
+ This function waits for FSP notify.
+
+ @param This Entry point for DXE IPL PPI.
+ @param PeiServices General purpose services available to every PEIM.
+ @param HobList Address to the Pei HOB list.
+
+ @return EFI_SUCCESS This function never returns.
+
+**/
+EFI_STATUS
+EFIAPI
+WaitForNotify (
+ IN CONST EFI_DXE_IPL_PPI *This,
+ IN EFI_PEI_SERVICES **PeiServices,
+ IN EFI_PEI_HOB_POINTERS HobList
+ )
+{
+ EFI_STATUS Status;
+
+ DEBUG ((DEBUG_INFO | DEBUG_INIT, "FSP HOB is located at 0x%08X\n", HobList));
+
+ //
+ // End of PEI phase signal
+ //
+ Status = PeiServicesInstallPpi (&gEndOfPeiSignalPpi);
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Give control back to BootLoader after FspSiliconInit
+ //
+ DEBUG ((DEBUG_INFO | DEBUG_INIT, "FSP is waiting for NOTIFY\n"));
+ FspSiliconInitDone ();
+
+ //
+ // BootLoader called FSP again through NotifyPhase
+ //
+ FspWaitForNotify ();
+
+ //
+ // Should not come here
+ //
+ while (TRUE) {
+ DEBUG ((DEBUG_ERROR, "No FSP API should be called after FSP is DONE!\n"));
+ SetFspApiReturnStatus (EFI_UNSUPPORTED);
+ Pei2LoaderSwitchStack ();
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ FSP notify phase PEI module entry point
+
+ @param[in] FileHandle Not used.
+ @param[in] PeiServices General purpose services available to every PEIM.
+
+ @retval EFI_SUCCESS The function completes successfully
+ @retval EFI_OUT_OF_RESOURCES Insufficient resources to create database
+**/
+EFI_STATUS
+FspNotifyPhasePeimEntryPoint (
+ IN EFI_PEI_FILE_HANDLE FileHandle,
+ IN CONST EFI_PEI_SERVICES **PeiServices
+ )
+{
+ EFI_STATUS Status;
+ VOID *OldDxeIplPpi;
+ EFI_PEI_PPI_DESCRIPTOR *OldDescriptor;
+
+ DEBUG ((DEBUG_INFO | DEBUG_INIT, "The entry of FspNotificationPeim\n"));
+
+ //
+ // Locate old DXE IPL PPI
+ //
+ Status = PeiServicesLocatePpi (
+ &gEfiDxeIplPpiGuid,
+ 0,
+ &OldDescriptor,
+ &OldDxeIplPpi
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Re-install the DXE IPL PPI to wait for notify
+ //
+ Status = PeiServicesReInstallPpi (OldDescriptor, &mInstallDxeIplPpi);
+ ASSERT_EFI_ERROR (Status);
+
+ return EFI_SUCCESS;
+}
diff --git a/Core/IntelFsp2Pkg/FspNotifyPhase/FspNotifyPhasePeim.h b/Core/IntelFsp2Pkg/FspNotifyPhase/FspNotifyPhasePeim.h new file mode 100644 index 0000000000..6e2ae591ec --- /dev/null +++ b/Core/IntelFsp2Pkg/FspNotifyPhase/FspNotifyPhasePeim.h @@ -0,0 +1,23 @@ +/** @file
+ Header file for FSP notify phase PEI module
+
+ Copyright (c) 2016 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
+ which 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.
+**/
+
+#ifndef _FSP_NOTIFY_PHASE_PEIM_H_
+#define _FSP_NOTIFY_PHASE_PEIM_H_
+
+#include <Library/PeiServicesLib.h>
+#include <Ppi/DxeIpl.h>
+#include <Library/DebugLib.h>
+#include <Library/FspPlatformLib.h>
+#include <Library/FspCommonLib.h>
+#include <Library/FspSwitchStackLib.h>
+#endif
diff --git a/Core/IntelFsp2Pkg/FspNotifyPhase/FspNotifyPhasePeim.inf b/Core/IntelFsp2Pkg/FspNotifyPhase/FspNotifyPhasePeim.inf new file mode 100644 index 0000000000..75f7ae5fb7 --- /dev/null +++ b/Core/IntelFsp2Pkg/FspNotifyPhase/FspNotifyPhasePeim.inf @@ -0,0 +1,49 @@ +## @file
+# Component information file for the FSP notify phase PEI module.
+#
+#@copyright
+# Copyright (c) 2016 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
+# which 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.
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = FspNotifyPhasePeim
+ FILE_GUID = 29CBB005-C972-49F3-960F-292E2202CECD
+ MODULE_TYPE = PEIM
+ VERSION_STRING = 1.0
+ ENTRY_POINT = FspNotifyPhasePeimEntryPoint
+
+[Sources]
+ FspNotifyPhasePeim.h
+ FspNotifyPhasePeim.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ IntelFsp2Pkg/IntelFsp2Pkg.dec
+
+[LibraryClasses]
+ PeimEntryPoint
+ DebugLib
+ FspPlatformLib
+ FspCommonLib
+ FspSwitchStackLib
+
+[Ppis]
+ gEfiDxeIplPpiGuid ## PRODUCES
+ gEfiEndOfPeiSignalPpiGuid ## PRODUCES
+
+[Protocols]
+ gEfiPciEnumerationCompleteProtocolGuid ## PRODUCES
+
+[Guids]
+ gEfiEventReadyToBootGuid ## PRODUCES ## Event
+
+[Depex]
+ gEfiDxeIplPpiGuid
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