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   This program and the accompanying materials
   7   are licensed and made available under the terms and conditions of the BSD License
   8   which accompanies this distribution.  The full text of the license may be found at
   9   http://opensource.org/licenses/bsd-license.php.
  10
  11   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15 #include "CbSupportDxe.h"
  16
  17 /**
  18   Reserve MMIO/IO resource in GCD
  19
  20   @param  IsMMIO        Flag of whether it is mmio resource or io resource.
  21   @param  GcdType       Type of the space.
  22   @param  BaseAddress   Base address of the space.
  23   @param  Length        Length of the space.
  24   @param  Alignment     Align with 2^Alignment
  25   @param  ImageHandle   Handle for the image of this driver.
  26
  27   @retval EFI_SUCCESS   Reserve successful
  28 **/
  29 EFI_STATUS
  30 CbReserveResourceInGcd (
  31   IN BOOLEAN               IsMMIO,
  32   IN UINTN                 GcdType,
  33   IN EFI_PHYSICAL_ADDRESS  BaseAddress,
  34   IN UINT64                Length,
  35   IN UINTN                 Alignment,
  36   IN EFI_HANDLE            ImageHandle
  37   )
  38 {
  39   EFI_STATUS               Status;
  40
  41   if (IsMMIO) {
  42     Status = gDS->AddMemorySpace (
  43                     GcdType,
  44                     BaseAddress,
  45                     Length,
  46                     EFI_MEMORY_UC
  47                     );
  48     if (EFI_ERROR (Status)) {
  49       DEBUG ((
  50         EFI_D_ERROR,
  51         "Failed to add memory space :0x%lx 0x%lx\n",
  52         BaseAddress,
  53         Length
  54         ));
  55     }
  56     ASSERT_EFI_ERROR (Status);
  57     Status = gDS->AllocateMemorySpace (
  58                     EfiGcdAllocateAddress,
  59                     GcdType,
  60                     Alignment,
  61                     Length,
  62                     &BaseAddress,
  63                     ImageHandle,
  64                     NULL
  65                     );
  66     ASSERT_EFI_ERROR (Status);
  67   } else {
  68     Status = gDS->AddIoSpace (
  69                     GcdType,
  70                     BaseAddress,
  71                     Length
  72                     );
  73     ASSERT_EFI_ERROR (Status);
  74     Status = gDS->AllocateIoSpace (
  75                     EfiGcdAllocateAddress,
  76                     GcdType,
  77                     Alignment,
  78                     Length,
  79                     &BaseAddress,
  80                     ImageHandle,
  81                     NULL
  82                     );
  83     ASSERT_EFI_ERROR (Status);
  84   }
  85   return Status;
  86 }
  87
  88
  89 /**
  90   Main entry for the Coreboot Support DXE module.
  91
  92   @param[in] ImageHandle    The firmware allocated handle for the EFI image.
  93   @param[in] SystemTable    A pointer to the EFI System Table.
  94
  95   @retval EFI_SUCCESS       The entry point is executed successfully.
  96   @retval other             Some error occurs when executing this entry point.
  97
  98 **/
  99 EFI_STATUS
 100 EFIAPI
 101 CbDxeEntryPoint (
 102   IN EFI_HANDLE         ImageHandle,
 103   IN EFI_SYSTEM_TABLE   *SystemTable
 104   )
 105 {
 106   EFI_STATUS Status;
 107   EFI_HOB_GUID_TYPE  *GuidHob;
 108   SYSTEM_TABLE_INFO  *pSystemTableInfo;
 109   FRAME_BUFFER_INFO  *FbInfo;
 110
 111   Status = EFI_SUCCESS;
 112   //
 113   // Report MMIO/IO Resources
 114   //
 115   Status = CbReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFEC00000, SIZE_4KB, 0, SystemTable); // IOAPIC
 116   ASSERT_EFI_ERROR (Status);
 117
 118   Status = CbReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFED00000, SIZE_1KB, 0, SystemTable); // HPET
 119   ASSERT_EFI_ERROR (Status);
 120
 121   //
 122   // Find the system table information guid hob
 123   //
 124   GuidHob = GetFirstGuidHob (&gUefiSystemTableInfoGuid);
 125   ASSERT (GuidHob != NULL);
 126   pSystemTableInfo = (SYSTEM_TABLE_INFO *)GET_GUID_HOB_DATA (GuidHob);
 127
 128   //
 129   // Install Acpi Table
 130   //
 131   if (pSystemTableInfo->AcpiTableBase != 0 && pSystemTableInfo->AcpiTableSize != 0) {
 132     DEBUG ((EFI_D_ERROR, "Install Acpi Table at 0x%lx, length 0x%x\n", pSystemTableInfo->AcpiTableBase, pSystemTableInfo->AcpiTableSize));
 133     Status = gBS->InstallConfigurationTable (&gEfiAcpiTableGuid, (VOID *)(UINTN)pSystemTableInfo->AcpiTableBase);
 134     ASSERT_EFI_ERROR (Status);
 135   }
 136
 137   //
 138   // Install Smbios Table
 139   //
 140   if (pSystemTableInfo->SmbiosTableBase != 0 && pSystemTableInfo->SmbiosTableSize != 0) {
 141     DEBUG ((EFI_D_ERROR, "Install Smbios Table at 0x%lx, length 0x%x\n", pSystemTableInfo->SmbiosTableBase, pSystemTableInfo->SmbiosTableSize));
 142     Status = gBS->InstallConfigurationTable (&gEfiSmbiosTableGuid, (VOID *)(UINTN)pSystemTableInfo->SmbiosTableBase);
 143     ASSERT_EFI_ERROR (Status);
 144   }
 145
 146   //
 147   // Find the frame buffer information and update PCDs
 148   //
 149   GuidHob = GetFirstGuidHob (&gUefiFrameBufferInfoGuid);
 150   if (GuidHob != NULL) {
 151     FbInfo  = (FRAME_BUFFER_INFO *)GET_GUID_HOB_DATA (GuidHob);
 152     Status = PcdSet32S (PcdVideoHorizontalResolution, FbInfo->HorizontalResolution);
 153     ASSERT_EFI_ERROR (Status);
 154     Status = PcdSet32S (PcdVideoVerticalResolution, FbInfo->VerticalResolution);
 155     ASSERT_EFI_ERROR (Status);
 156     Status = PcdSet32S (PcdSetupVideoHorizontalResolution, FbInfo->HorizontalResolution);
 157     ASSERT_EFI_ERROR (Status);
 158     Status = PcdSet32S (PcdSetupVideoVerticalResolution, FbInfo->VerticalResolution);
 159     ASSERT_EFI_ERROR (Status);
 160   }
 161
 162   return EFI_SUCCESS;
 163 }
 164