mirror of https://github.com/acidanthera/audk.git
Missed a library
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9856 6f19259b-4bc3-4df7-8a09-765794883524
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/** @file
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Do a generic Cold Reset for OMAP3550 and BeagleBoard specific Warm reset
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Copyright (c) 2008-2010, Apple Inc. All rights reserved.
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <Uefi.h>
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#include <Library/ArmLib.h>
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#include <Library/CacheMaintenanceLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/IoLib.h>
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#include <Library/PcdLib.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Omap3530/Omap3530.h>
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VOID
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ShutdownEfi (
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VOID
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)
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{
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EFI_STATUS Status;
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UINTN MemoryMapSize;
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EFI_MEMORY_DESCRIPTOR *MemoryMap;
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UINTN MapKey;
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UINTN DescriptorSize;
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UINTN DescriptorVersion;
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UINTN Pages;
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MemoryMap = NULL;
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MemoryMapSize = 0;
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do {
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Status = gBS->GetMemoryMap (
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&MemoryMapSize,
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MemoryMap,
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&MapKey,
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&DescriptorSize,
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&DescriptorVersion
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);
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if (Status == EFI_BUFFER_TOO_SMALL) {
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Pages = EFI_SIZE_TO_PAGES (MemoryMapSize) + 1;
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MemoryMap = AllocatePages (Pages);
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//
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// Get System MemoryMap
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//
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Status = gBS->GetMemoryMap (
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&MemoryMapSize,
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MemoryMap,
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&MapKey,
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&DescriptorSize,
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&DescriptorVersion
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);
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// Don't do anything between the GetMemoryMap() and ExitBootServices()
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if (!EFI_ERROR (Status)) {
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Status = gBS->ExitBootServices (gImageHandle, MapKey);
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if (EFI_ERROR (Status)) {
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FreePages (MemoryMap, Pages);
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MemoryMap = NULL;
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MemoryMapSize = 0;
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}
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}
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}
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} while (EFI_ERROR (Status));
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//Clean and invalidate caches.
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WriteBackInvalidateDataCache();
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InvalidateInstructionCache();
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//Turning off Caches and MMU
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ArmDisableDataCache ();
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ArmDisableInstructionCache ();
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ArmDisableMmu ();
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}
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typedef
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VOID
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(EFIAPI *CALL_STUB)(
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VOID
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);
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/**
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Resets the entire platform.
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@param ResetType The type of reset to perform.
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@param ResetStatus The status code for the reset.
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@param DataSize The size, in bytes, of WatchdogData.
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@param ResetData For a ResetType of EfiResetCold, EfiResetWarm, or
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EfiResetShutdown the data buffer starts with a Null-terminated
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Unicode string, optionally followed by additional binary data.
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**/
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EFI_STATUS
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EFIAPI
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LibResetSystem (
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IN EFI_RESET_TYPE ResetType,
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IN EFI_STATUS ResetStatus,
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IN UINTN DataSize,
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IN CHAR16 *ResetData OPTIONAL
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)
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{
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CALL_STUB StartOfFv;
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if (ResetData != NULL) {
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DEBUG((EFI_D_ERROR, "%s", ResetData));
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}
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ShutdownEfi ();
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switch (ResetType) {
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case EfiResetWarm:
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//Perform warm reset of the system by jumping to the begining of the FV
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StartOfFv = (CALL_STUB)(UINTN)PcdGet32(PcdFlashFvMainBase);
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StartOfFv ();
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break;
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case EfiResetCold:
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case EfiResetShutdown:
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default:
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//Perform cold reset of the system.
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MmioOr32 (PRM_RSTCTRL, RST_DPLL3);
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while ((MmioRead32(PRM_RSTST) & GLOBAL_COLD_RST) != 0x1);
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break;
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}
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// If the reset didn't work, return an error.
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ASSERT (FALSE);
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return EFI_DEVICE_ERROR;
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}
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/**
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Initialize any infrastructure required for LibResetSystem () to function.
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@param ImageHandle The firmware allocated handle for the EFI image.
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@param SystemTable A pointer to the EFI System Table.
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@retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
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**/
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EFI_STATUS
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EFIAPI
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LibInitializeResetSystem (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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return EFI_SUCCESS;
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}
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@ -0,0 +1,49 @@
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#/** @file
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# Reset System lib to make it easy to port new platforms
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#
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# Copyright (c) 2008, Apple Inc.
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#
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# All rights reserved. This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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#
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#**/
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[Defines]
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INF_VERSION = 0x00010005
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BASE_NAME = BeagleBoardResetSystemLib
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FILE_GUID = 781371a2-3fdd-41d4-96a1-7b34cbc9e895
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MODULE_TYPE = BASE
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VERSION_STRING = 1.0
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LIBRARY_CLASS = EfiResetSystemLib
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[Sources.common]
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ResetSystemLib.c
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[Packages]
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MdePkg/MdePkg.dec
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ArmPkg/ArmPkg.dec
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EmbeddedPkg/EmbeddedPkg.dec
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Omap35xxPkg/Omap35xxPkg.dec
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[Pcd.common]
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gArmTokenSpaceGuid.PcdCpuResetAddress
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gEmbeddedTokenSpaceGuid.PcdEmbeddedFdBaseAddress
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[LibraryClasses]
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DebugLib
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ArmLib
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CacheMaintenanceLib
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MemoryAllocationLib
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UefiRuntimeServicesTableLib
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TimerLib
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UefiLib
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UefiBootServicesTableLib
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[Pcd]
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gEmbeddedTokenSpaceGuid.PcdFlashFvMainBase
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