From f8a61fe79e5bfa1eaf36d40d612c3a0a0225cd73 Mon Sep 17 00:00:00 2001 From: andrewfish Date: Thu, 28 Jan 2010 21:40:14 +0000 Subject: Missed a library git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9856 6f19259b-4bc3-4df7-8a09-765794883524 --- .../Library/ResetSystemLib/ResetSystemLib.c | 165 +++++++++++++++++++++ .../Library/ResetSystemLib/ResetSystemLib.inf | 49 ++++++ 2 files changed, 214 insertions(+) create mode 100644 BeagleBoardPkg/Library/ResetSystemLib/ResetSystemLib.c create mode 100644 BeagleBoardPkg/Library/ResetSystemLib/ResetSystemLib.inf (limited to 'BeagleBoardPkg/Library') diff --git a/BeagleBoardPkg/Library/ResetSystemLib/ResetSystemLib.c b/BeagleBoardPkg/Library/ResetSystemLib/ResetSystemLib.c new file mode 100644 index 0000000000..d55fcad35d --- /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 + +#include +#include +#include +#include +#include +#include +#include + +#include + + +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 0000000000..5b30661880 --- /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 -- cgit v1.2.3