UefiPayloadPkg/BlSupportDxe/BlSupportDxe.c

   1 /** @file
   2   This driver will report some MMIO/IO resources to dxe core, extract smbios and acpi
   3   tables from bootloader.
   4
   5   Copyright (c) 2014 - 2021, Intel Corporation. All rights reserved.<BR>
   6   SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9 #include "BlSupportDxe.h"
  10
  11 /**
  12   Reserve MMIO/IO resource in GCD
  13
  14   @param  IsMMIO        Flag of whether it is mmio resource or io resource.
  15   @param  GcdType       Type of the space.
  16   @param  BaseAddress   Base address of the space.
  17   @param  Length        Length of the space.
  18   @param  Alignment     Align with 2^Alignment
  19   @param  ImageHandle   Handle for the image of this driver.
  20
  21   @retval EFI_SUCCESS   Reserve successful
  22 **/
  23 EFI_STATUS
  24 ReserveResourceInGcd (
  25   IN BOOLEAN               IsMMIO,
  26   IN UINTN                 GcdType,
  27   IN EFI_PHYSICAL_ADDRESS  BaseAddress,
  28   IN UINT64                Length,
  29   IN UINTN                 Alignment,
  30   IN EFI_HANDLE            ImageHandle
  31   )
  32 {
  33   EFI_STATUS               Status;
  34
  35   if (IsMMIO) {
  36     Status = gDS->AddMemorySpace (
  37                     GcdType,
  38                     BaseAddress,
  39                     Length,
  40                     EFI_MEMORY_UC
  41                     );
  42     if (EFI_ERROR (Status)) {
  43       DEBUG ((
  44         DEBUG_WARN,
  45         "Failed to add memory space :0x%lx 0x%lx\n",
  46         BaseAddress,
  47         Length
  48         ));
  49     }
  50     Status = gDS->AllocateMemorySpace (
  51                     EfiGcdAllocateAddress,
  52                     GcdType,
  53                     Alignment,
  54                     Length,
  55                     &BaseAddress,
  56                     ImageHandle,
  57                     NULL
  58                     );
  59   } else {
  60     Status = gDS->AddIoSpace (
  61                     GcdType,
  62                     BaseAddress,
  63                     Length
  64                     );
  65     if (EFI_ERROR (Status)) {
  66       DEBUG ((
  67         DEBUG_WARN,
  68         "Failed to add IO space :0x%lx 0x%lx\n",
  69         BaseAddress,
  70         Length
  71         ));
  72     }
  73     Status = gDS->AllocateIoSpace (
  74                     EfiGcdAllocateAddress,
  75                     GcdType,
  76                     Alignment,
  77                     Length,
  78                     &BaseAddress,
  79                     ImageHandle,
  80                     NULL
  81                     );
  82   }
  83   return Status;
  84 }
  85
  86
  87 /**
  88   Main entry for the bootloader support DXE module.
  89
  90   @param[in] ImageHandle    The firmware allocated handle for the EFI image.
  91   @param[in] SystemTable    A pointer to the EFI System Table.
  92
  93   @retval EFI_SUCCESS       The entry point is executed successfully.
  94   @retval other             Some error occurs when executing this entry point.
  95
  96 **/
  97 EFI_STATUS
  98 EFIAPI
  99 BlDxeEntryPoint (
 100   IN EFI_HANDLE              ImageHandle,
 101   IN EFI_SYSTEM_TABLE        *SystemTable
 102   )
 103 {
 104   EFI_STATUS Status;
 105   EFI_HOB_GUID_TYPE          *GuidHob;
 106   EFI_PEI_GRAPHICS_INFO_HOB  *GfxInfo;
 107   ACPI_BOARD_INFO            *AcpiBoardInfo;
 108
 109   Status = EFI_SUCCESS;
 110   //
 111   // Report MMIO/IO Resources
 112   //
 113   ReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFEC00000, SIZE_4KB, 0, ImageHandle); // IOAPIC
 114
 115   ReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFED00000, SIZE_1KB, 0, ImageHandle); // HPET
 116
 117   //
 118   // Find the frame buffer information and update PCDs
 119   //
 120   GuidHob = GetFirstGuidHob (&gEfiGraphicsInfoHobGuid);
 121   if (GuidHob != NULL) {
 122     GfxInfo = (EFI_PEI_GRAPHICS_INFO_HOB *)GET_GUID_HOB_DATA (GuidHob);
 123     Status = PcdSet32S (PcdVideoHorizontalResolution, GfxInfo->GraphicsMode.HorizontalResolution);
 124     ASSERT_EFI_ERROR (Status);
 125     Status = PcdSet32S (PcdVideoVerticalResolution, GfxInfo->GraphicsMode.VerticalResolution);
 126     ASSERT_EFI_ERROR (Status);
 127     Status = PcdSet32S (PcdSetupVideoHorizontalResolution, GfxInfo->GraphicsMode.HorizontalResolution);
 128     ASSERT_EFI_ERROR (Status);
 129     Status = PcdSet32S (PcdSetupVideoVerticalResolution, GfxInfo->GraphicsMode.VerticalResolution);
 130     ASSERT_EFI_ERROR (Status);
 131   }
 132
 133   //
 134   // Set PcdPciExpressBaseAddress and PcdPciExpressBaseSize by HOB info
 135   //
 136   GuidHob = GetFirstGuidHob (&gUefiAcpiBoardInfoGuid);
 137   if (GuidHob != NULL) {
 138     AcpiBoardInfo = (ACPI_BOARD_INFO *)GET_GUID_HOB_DATA (GuidHob);
 139     Status = PcdSet64S (PcdPciExpressBaseAddress, AcpiBoardInfo->PcieBaseAddress);
 140     ASSERT_EFI_ERROR (Status);
 141     Status = PcdSet64S (PcdPciExpressBaseSize, AcpiBoardInfo->PcieBaseSize);
 142     ASSERT_EFI_ERROR (Status);
 143   }
 144
 145   return EFI_SUCCESS;
 146 }
 147