1 /** @file 2 This PEIM initialize FSP. 3 4 Copyright (c) 2014 - 2015, Intel Corporation. All rights reserved.<BR> 5 This program and the accompanying materials 6 are licensed and made available under the terms and conditions of the BSD License 7 which accompanies this distribution. The full text of the license may be found at 8 http://opensource.org/licenses/bsd-license.php. 9 10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 13 **/ 14 15 16 #include "FspInitPei.h" 17 18 /** 19 This is the entrypoint of PEIM 20 21 @param[in] FileHandle Handle of the file being invoked. 22 @param[in] PeiServices Describes the list of possible PEI Services. 23 24 @retval EFI_SUCCESS if it completed successfully. 25 **/ 26 EFI_STATUS 27 EFIAPI 28 FspPeiEntryPoint ( 29 IN EFI_PEI_FILE_HANDLE FileHandle, 30 IN CONST EFI_PEI_SERVICES **PeiServices 31 ) 32 { 33 FSP_INFO_HEADER *FspHeader; 34 UINT8 PcdFspApiVersion; 35 36 DEBUG ((DEBUG_INFO, "FspPeiEntryPoint\n")); 37 PcdFspApiVersion = 1; 38 39 FspHeader = FspFindFspHeader (PcdGet32 (PcdFlashFvFspBase)); 40 DEBUG ((DEBUG_INFO, "FspHeader - 0x%x\n", FspHeader)); 41 if (FspHeader == NULL) { 42 return EFI_DEVICE_ERROR; 43 } 44 45 ASSERT (FspHeader->TempRamInitEntryOffset != 0); 46 ASSERT (FspHeader->FspInitEntryOffset != 0); 47 ASSERT (FspHeader->NotifyPhaseEntryOffset != 0); 48 49 if ((PcdGet8 (PcdFspApiVersion) >= 2) && 50 (FspHeader->HeaderRevision >= FSP_HEADER_REVISION_2) && 51 (FspHeader->ApiEntryNum >= 6) ) { 52 ASSERT (FspHeader->FspMemoryInitEntryOffset != 0); 53 ASSERT (FspHeader->TempRamExitEntryOffset != 0); 54 ASSERT (FspHeader->FspSiliconInitEntryOffset != 0); 55 PcdFspApiVersion = PcdGet8 (PcdFspApiVersion); 56 } 57 DEBUG ((DEBUG_INFO, "PcdFspApiVersion - 0x%x\n", PcdFspApiVersion)); 58 59 if (PcdFspApiVersion == 1) { 60 PeiFspInitV1 (FspHeader); 61 } else { 62 PeiFspInitV2 (FspHeader); 63 } 64 65 return EFI_SUCCESS; 66 } 67
