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| author | andrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-01-28 21:40:14 +0000 |
|---|---|---|
| committer | andrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-01-28 21:40:14 +0000 |
| commit | f8a61fe79e5bfa1eaf36d40d612c3a0a0225cd73 (patch) | |
| tree | 4a50c5f0ebb0043cb4467e9fb6833624b567758a /BeagleBoardPkg/Library/ResetSystemLib | |
| parent | cb0f9ff1aec89b6524a93d4a8a8e539a4591f998 (diff) | |
| download | edk2-f8a61fe79e5bfa1eaf36d40d612c3a0a0225cd73.zip edk2-f8a61fe79e5bfa1eaf36d40d612c3a0a0225cd73.tar.gz edk2-f8a61fe79e5bfa1eaf36d40d612c3a0a0225cd73.tar.bz2 | |
Missed a library
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9856 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'BeagleBoardPkg/Library/ResetSystemLib')
| -rw-r--r-- | BeagleBoardPkg/Library/ResetSystemLib/ResetSystemLib.c | 165 | ||||
| -rw-r--r-- | BeagleBoardPkg/Library/ResetSystemLib/ResetSystemLib.inf | 49 |
2 files changed, 214 insertions, 0 deletions
diff --git a/BeagleBoardPkg/Library/ResetSystemLib/ResetSystemLib.c b/BeagleBoardPkg/Library/ResetSystemLib/ResetSystemLib.c new file mode 100644 index 0000000..d55fcad --- /dev/null +++ b/BeagleBoardPkg/Library/ResetSystemLib/ResetSystemLib.c @@ -0,0 +1,165 @@ +/** @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;
+}
+
diff --git a/BeagleBoardPkg/Library/ResetSystemLib/ResetSystemLib.inf b/BeagleBoardPkg/Library/ResetSystemLib/ResetSystemLib.inf new file mode 100644 index 0000000..5b30661 --- /dev/null +++ b/BeagleBoardPkg/Library/ResetSystemLib/ResetSystemLib.inf @@ -0,0 +1,49 @@ +#/** @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
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