diff options
| author | David Wei <david.wei@intel.com> | 2015-01-12 09:37:20 +0000 |
|---|---|---|
| committer | zwei4 <zwei4@Edk2> | 2015-01-12 09:37:20 +0000 |
| commit | 3cbfba02fef9dae07a041fdbf2e89611d72d6f90 (patch) | |
| tree | 0b3bf0783124d38a191e09736492c0141aa36c15 /Vlv2TbltDevicePkg/PlatformInitPei/FlashMap.c | |
| parent | 6f785cfcc304c48ec04e542ee429df95e7b51bc5 (diff) | |
| download | edk2-platforms-3cbfba02fef9dae07a041fdbf2e89611d72d6f90.tar.xz | |
Upload BSD-licensed Vlv2TbltDevicePkg and Vlv2DeviceRefCodePkg to
https://svn.code.sf.net/p/edk2/code/trunk/edk2/,
which are for MinnowBoard MAX open source project.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: David Wei <david.wei@intel.com>
Reviewed-by: Mike Wu <mike.wu@intel.com>
Reviewed-by: Hot Tian <hot.tian@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16599 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'Vlv2TbltDevicePkg/PlatformInitPei/FlashMap.c')
| -rw-r--r-- | Vlv2TbltDevicePkg/PlatformInitPei/FlashMap.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/Vlv2TbltDevicePkg/PlatformInitPei/FlashMap.c b/Vlv2TbltDevicePkg/PlatformInitPei/FlashMap.c new file mode 100644 index 0000000000..282faa85ff --- /dev/null +++ b/Vlv2TbltDevicePkg/PlatformInitPei/FlashMap.c @@ -0,0 +1,148 @@ +/** @file
+
+ Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
+
+ This program and the accompanying materials are licensed and made available under
+ the terms and conditions of the BSD License that 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.
+
+
+
+
+Module Name:
+
+ FlashMap.c
+
+Abstract:
+
+ Build GUIDed HOBs for platform specific flash map.
+
+--*/
+
+#include "Efi.h"
+#include "Pei.h"
+#include "PeiLib.h"
+#include "PeiLib.h"
+#include "EfiFlashMap.h"
+#include EFI_PROTOCOL_CONSUMER (FirmwareVolumeBlock)
+#include EFI_GUID_DEFINITION (FlashMapHob)
+#include EFI_GUID_DEFINITION (SystemNvDataGuid)
+#include EFI_GUID_DEFINITION (FirmwareFileSystem)
+
+EFI_GUID mFvBlockGuid = EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID;
+EFI_GUID mFfsGuid = EFI_FIRMWARE_FILE_SYSTEM_GUID;
+EFI_GUID mSystemDataGuid = EFI_SYSTEM_NV_DATA_HOB_GUID;
+
+static EFI_FLASH_AREA_DATA mFlashAreaData[] = {
+ //
+ // Variable area
+ //
+ { FixedPcdGet32 (PcdFlashNvStorageVariableBase),
+ FixedPcdGet32 (PcdFlashNvStorageVariableSize),
+ EFI_FLASH_AREA_SUBFV | EFI_FLASH_AREA_MEMMAPPED_FV,
+ EFI_FLASH_AREA_EFI_VARIABLES },
+
+ //
+ // Boot block 2nd part
+ //
+ { FixedPcdGet32 (PcdFlashFvRecovery2Base),
+ FixedPcdGet32 (PcdFlashFvRecovery2Size),
+ EFI_FLASH_AREA_SUBFV | EFI_FLASH_AREA_MEMMAPPED_FV,
+ EFI_FLASH_AREA_FTW_BACKUP },
+
+ //
+ // Recovery FV
+ //
+ { FixedPcdGet32 (PcdFlashFvRecoveryBase),
+ FixedPcdGet32 (PcdFlashFvRecoverySize),
+ EFI_FLASH_AREA_FV | EFI_FLASH_AREA_MEMMAPPED_FV,
+ EFI_FLASH_AREA_RECOVERY_BIOS },
+
+ //
+ // Main FV
+ //
+ { FixedPcdGet32 (PcdFlashFvMainBase),
+ FixedPcdGet32 (PcdFlashFvMainSize),
+ EFI_FLASH_AREA_FV | EFI_FLASH_AREA_MEMMAPPED_FV,
+ EFI_FLASH_AREA_MAIN_BIOS }
+
+};
+
+#define NUM_FLASH_AREA_DATA (sizeof (mFlashAreaData) / sizeof (mFlashAreaData[0]))
+
+/**
+ Build GUID HOBs for platform specific flash map.
+
+ @param FfsHeader Pointer this FFS file header.
+ @param PeiServices General purpose services available to every PEIM.
+
+ @retval EFI_SUCCESS Guid HOBs for platform flash map is built.
+ @retval Otherwise Failed to build the Guid HOB data.
+
+**/
+EFI_STATUS
+PeimInitializeFlashMap (
+ IN EFI_FFS_FILE_HEADER *FfsHeader,
+ IN EFI_PEI_SERVICES **PeiServices
+ )
+{
+ UINTN Index;
+ EFI_FLASH_AREA_HOB_DATA FlashHobData;
+
+ //
+ // Build flash area entries as GUIDed HOBs.
+ //
+ for (Index = 0; Index < NUM_FLASH_AREA_DATA; Index++) {
+ ZeroMem(&FlashHobData, sizeof (EFI_FLASH_AREA_HOB_DATA));
+
+ FlashHobData.AreaType = mFlashAreaData[Index].AreaType;
+ FlashHobData.NumberOfEntries = 1;
+ FlashHobData.SubAreaData.Attributes = mFlashAreaData[Index].Attributes;
+ FlashHobData.SubAreaData.Base = (EFI_PHYSICAL_ADDRESS) (UINTN) mFlashAreaData[Index].Base;
+ FlashHobData.SubAreaData.Length = (EFI_PHYSICAL_ADDRESS) (UINTN) mFlashAreaData[Index].Length;
+
+ switch (FlashHobData.AreaType) {
+ case EFI_FLASH_AREA_RECOVERY_BIOS:
+ case EFI_FLASH_AREA_MAIN_BIOS:
+ CopyMem (
+ &FlashHobData.AreaTypeGuid,
+ &mFfsGuid,
+ sizeof (EFI_GUID)
+ );
+ CopyMem (
+ &FlashHobData.SubAreaData.FileSystem,
+ &mFvBlockGuid,
+ sizeof (EFI_GUID)
+ );
+ break;
+
+ case EFI_FLASH_AREA_GUID_DEFINED:
+ CopyMem (
+ &FlashHobData.AreaTypeGuid,
+ &mSystemDataGuid,
+ sizeof (EFI_GUID)
+ );
+ CopyMem (
+ &FlashHobData.SubAreaData.FileSystem,
+ &mFvBlockGuid,
+ sizeof (EFI_GUID)
+ );
+ break;
+
+ default:
+ break;
+ }
+
+ PeiBuildHobGuidData(PeiServices,
+ &gEfiFlashMapHobGuid,
+ &FlashHobData,
+ sizeof (EFI_FLASH_AREA_HOB_DATA)
+ );
+ }
+ return EFI_SUCCESS;
+}
+
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