Missed a library

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9856 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
andrewfish 2010-01-28 21:40:14 +00:00
parent cb0f9ff1ae
commit f8a61fe79e
2 changed files with 214 additions and 0 deletions

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/** @file
Do a generic Cold Reset for OMAP3550 and BeagleBoard specific Warm reset
Copyright (c) 2008-2010, Apple Inc. All rights reserved.
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 <Uefi.h>
#include <Library/ArmLib.h>
#include <Library/CacheMaintenanceLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/IoLib.h>
#include <Library/PcdLib.h>
#include <Library/DebugLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Omap3530/Omap3530.h>
VOID
ShutdownEfi (
VOID
)
{
EFI_STATUS Status;
UINTN MemoryMapSize;
EFI_MEMORY_DESCRIPTOR *MemoryMap;
UINTN MapKey;
UINTN DescriptorSize;
UINTN DescriptorVersion;
UINTN Pages;
MemoryMap = NULL;
MemoryMapSize = 0;
do {
Status = gBS->GetMemoryMap (
&MemoryMapSize,
MemoryMap,
&MapKey,
&DescriptorSize,
&DescriptorVersion
);
if (Status == EFI_BUFFER_TOO_SMALL) {
Pages = EFI_SIZE_TO_PAGES (MemoryMapSize) + 1;
MemoryMap = AllocatePages (Pages);
//
// Get System MemoryMap
//
Status = gBS->GetMemoryMap (
&MemoryMapSize,
MemoryMap,
&MapKey,
&DescriptorSize,
&DescriptorVersion
);
// Don't do anything between the GetMemoryMap() and ExitBootServices()
if (!EFI_ERROR (Status)) {
Status = gBS->ExitBootServices (gImageHandle, MapKey);
if (EFI_ERROR (Status)) {
FreePages (MemoryMap, Pages);
MemoryMap = NULL;
MemoryMapSize = 0;
}
}
}
} while (EFI_ERROR (Status));
//Clean and invalidate caches.
WriteBackInvalidateDataCache();
InvalidateInstructionCache();
//Turning off Caches and MMU
ArmDisableDataCache ();
ArmDisableInstructionCache ();
ArmDisableMmu ();
}
typedef
VOID
(EFIAPI *CALL_STUB)(
VOID
);
/**
Resets the entire platform.
@param ResetType The type of reset to perform.
@param ResetStatus The status code for the reset.
@param DataSize The size, in bytes, of WatchdogData.
@param ResetData For a ResetType of EfiResetCold, EfiResetWarm, or
EfiResetShutdown the data buffer starts with a Null-terminated
Unicode string, optionally followed by additional binary data.
**/
EFI_STATUS
EFIAPI
LibResetSystem (
IN EFI_RESET_TYPE ResetType,
IN EFI_STATUS ResetStatus,
IN UINTN DataSize,
IN CHAR16 *ResetData OPTIONAL
)
{
CALL_STUB StartOfFv;
if (ResetData != NULL) {
DEBUG((EFI_D_ERROR, "%s", ResetData));
}
ShutdownEfi ();
switch (ResetType) {
case EfiResetWarm:
//Perform warm reset of the system by jumping to the begining of the FV
StartOfFv = (CALL_STUB)(UINTN)PcdGet32(PcdFlashFvMainBase);
StartOfFv ();
break;
case EfiResetCold:
case EfiResetShutdown:
default:
//Perform cold reset of the system.
MmioOr32 (PRM_RSTCTRL, RST_DPLL3);
while ((MmioRead32(PRM_RSTST) & GLOBAL_COLD_RST) != 0x1);
break;
}
// If the reset didn't work, return an error.
ASSERT (FALSE);
return EFI_DEVICE_ERROR;
}
/**
Initialize any infrastructure required for LibResetSystem () to function.
@param ImageHandle The firmware allocated handle for the EFI image.
@param SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
**/
EFI_STATUS
EFIAPI
LibInitializeResetSystem (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
return EFI_SUCCESS;
}

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#/** @file
# Reset System lib to make it easy to port new platforms
#
# Copyright (c) 2008, Apple Inc.
#
# 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 = BeagleBoardResetSystemLib
FILE_GUID = 781371a2-3fdd-41d4-96a1-7b34cbc9e895
MODULE_TYPE = BASE
VERSION_STRING = 1.0
LIBRARY_CLASS = EfiResetSystemLib
[Sources.common]
ResetSystemLib.c
[Packages]
MdePkg/MdePkg.dec
ArmPkg/ArmPkg.dec
EmbeddedPkg/EmbeddedPkg.dec
Omap35xxPkg/Omap35xxPkg.dec
[Pcd.common]
gArmTokenSpaceGuid.PcdCpuResetAddress
gEmbeddedTokenSpaceGuid.PcdEmbeddedFdBaseAddress
[LibraryClasses]
DebugLib
ArmLib
CacheMaintenanceLib
MemoryAllocationLib
UefiRuntimeServicesTableLib
TimerLib
UefiLib
UefiBootServicesTableLib
[Pcd]
gEmbeddedTokenSpaceGuid.PcdFlashFvMainBase