CorebootModulePkg/CbSupportDxe/CbSupportDxe.c

   1 /** @file
   2   This driver will report some MMIO/IO resources to dxe core, extract smbios and acpi
   3   tables from coreboot and install.
   4
   5   Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
   6   SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9 #include "CbSupportDxe.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 CbReserveResourceInGcd (
  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         EFI_D_ERROR,
  45         "Failed to add memory space :0x%lx 0x%lx\n",
  46         BaseAddress,
  47         Length
  48         ));
  49     }
  50     ASSERT_EFI_ERROR (Status);
  51     Status = gDS->AllocateMemorySpace (
  52                     EfiGcdAllocateAddress,
  53                     GcdType,
  54                     Alignment,
  55                     Length,
  56                     &BaseAddress,
  57                     ImageHandle,
  58                     NULL
  59                     );
  60     ASSERT_EFI_ERROR (Status);
  61   } else {
  62     Status = gDS->AddIoSpace (
  63                     GcdType,
  64                     BaseAddress,
  65                     Length
  66                     );
  67     ASSERT_EFI_ERROR (Status);
  68     Status = gDS->AllocateIoSpace (
  69                     EfiGcdAllocateAddress,
  70                     GcdType,
  71                     Alignment,
  72                     Length,
  73                     &BaseAddress,
  74                     ImageHandle,
  75                     NULL
  76                     );
  77     ASSERT_EFI_ERROR (Status);
  78   }
  79   return Status;
  80 }
  81
  82
  83 /**
  84   Main entry for the Coreboot Support DXE module.
  85
  86   @param[in] ImageHandle    The firmware allocated handle for the EFI image.
  87   @param[in] SystemTable    A pointer to the EFI System Table.
  88
  89   @retval EFI_SUCCESS       The entry point is executed successfully.
  90   @retval other             Some error occurs when executing this entry point.
  91
  92 **/
  93 EFI_STATUS
  94 EFIAPI
  95 CbDxeEntryPoint (
  96   IN EFI_HANDLE         ImageHandle,
  97   IN EFI_SYSTEM_TABLE   *SystemTable
  98   )
  99 {
 100   EFI_STATUS Status;
 101   EFI_HOB_GUID_TYPE  *GuidHob;
 102   SYSTEM_TABLE_INFO  *pSystemTableInfo;
 103   FRAME_BUFFER_INFO  *FbInfo;
 104
 105   Status = EFI_SUCCESS;
 106   //
 107   // Report MMIO/IO Resources
 108   //
 109   Status = CbReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFEC00000, SIZE_4KB, 0, SystemTable); // IOAPIC
 110   ASSERT_EFI_ERROR (Status);
 111
 112   Status = CbReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFED00000, SIZE_1KB, 0, SystemTable); // HPET
 113   ASSERT_EFI_ERROR (Status);
 114
 115   //
 116   // Find the system table information guid hob
 117   //
 118   GuidHob = GetFirstGuidHob (&gUefiSystemTableInfoGuid);
 119   ASSERT (GuidHob != NULL);
 120   pSystemTableInfo = (SYSTEM_TABLE_INFO *)GET_GUID_HOB_DATA (GuidHob);
 121
 122   //
 123   // Install Acpi Table
 124   //
 125   if (pSystemTableInfo->AcpiTableBase != 0 && pSystemTableInfo->AcpiTableSize != 0) {
 126     DEBUG ((EFI_D_ERROR, "Install Acpi Table at 0x%lx, length 0x%x\n", pSystemTableInfo->AcpiTableBase, pSystemTableInfo->AcpiTableSize));
 127     Status = gBS->InstallConfigurationTable (&gEfiAcpiTableGuid, (VOID *)(UINTN)pSystemTableInfo->AcpiTableBase);
 128     ASSERT_EFI_ERROR (Status);
 129   }
 130
 131   //
 132   // Install Smbios Table
 133   //
 134   if (pSystemTableInfo->SmbiosTableBase != 0 && pSystemTableInfo->SmbiosTableSize != 0) {
 135     DEBUG ((EFI_D_ERROR, "Install Smbios Table at 0x%lx, length 0x%x\n", pSystemTableInfo->SmbiosTableBase, pSystemTableInfo->SmbiosTableSize));
 136     Status = gBS->InstallConfigurationTable (&gEfiSmbiosTableGuid, (VOID *)(UINTN)pSystemTableInfo->SmbiosTableBase);
 137     ASSERT_EFI_ERROR (Status);
 138   }
 139
 140   //
 141   // Find the frame buffer information and update PCDs
 142   //
 143   GuidHob = GetFirstGuidHob (&gUefiFrameBufferInfoGuid);
 144   if (GuidHob != NULL) {
 145     FbInfo  = (FRAME_BUFFER_INFO *)GET_GUID_HOB_DATA (GuidHob);
 146     Status = PcdSet32S (PcdVideoHorizontalResolution, FbInfo->HorizontalResolution);
 147     ASSERT_EFI_ERROR (Status);
 148     Status = PcdSet32S (PcdVideoVerticalResolution, FbInfo->VerticalResolution);
 149     ASSERT_EFI_ERROR (Status);
 150     Status = PcdSet32S (PcdSetupVideoHorizontalResolution, FbInfo->HorizontalResolution);
 151     ASSERT_EFI_ERROR (Status);
 152     Status = PcdSet32S (PcdSetupVideoVerticalResolution, FbInfo->VerticalResolution);
 153     ASSERT_EFI_ERROR (Status);
 154   }
 155
 156   return EFI_SUCCESS;
 157 }
 158