ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmFvpDxe.c

   1 /** @file
   2
   3   Copyright (c) 2013-2014, ARM Ltd. All rights reserved.<BR>
   4
   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 #include <Library/UefiLib.h>
  16 #include <Library/VirtioMmioDeviceLib.h>
  17 #include <Library/DebugLib.h>
  18 #include <Library/UefiBootServicesTableLib.h>
  19 #include <Library/ArmShellCmdLib.h>
  20
  21 #define ARM_FVP_BASE_VIRTIO_BLOCK_BASE    0x1c130000
  22
  23 #pragma pack(1)
  24 typedef struct {
  25   VENDOR_DEVICE_PATH                  Vendor;
  26   EFI_DEVICE_PATH_PROTOCOL            End;
  27 } VIRTIO_BLK_DEVICE_PATH;
  28 #pragma pack()
  29
  30 VIRTIO_BLK_DEVICE_PATH mVirtioBlockDevicePath =
  31 {
  32   {
  33     {
  34       HARDWARE_DEVICE_PATH,
  35       HW_VENDOR_DP,
  36       {
  37         (UINT8)( sizeof(VENDOR_DEVICE_PATH) ),
  38         (UINT8)((sizeof(VENDOR_DEVICE_PATH)) >> 8)
  39       }
  40     },
  41     EFI_CALLER_ID_GUID,
  42   },
  43   {
  44     END_DEVICE_PATH_TYPE,
  45     END_ENTIRE_DEVICE_PATH_SUBTYPE,
  46     {
  47       sizeof (EFI_DEVICE_PATH_PROTOCOL),
  48       0
  49     }
  50   }
  51 };
  52
  53 EFI_STATUS
  54 EFIAPI
  55 ArmFvpInitialise (
  56   IN EFI_HANDLE         ImageHandle,
  57   IN EFI_SYSTEM_TABLE   *SystemTable
  58   )
  59 {
  60   EFI_STATUS              Status;
  61
  62   Status = gBS->InstallProtocolInterface (&ImageHandle,
  63                  &gEfiDevicePathProtocolGuid, EFI_NATIVE_INTERFACE,
  64                  &mVirtioBlockDevicePath);
  65   if (EFI_ERROR (Status)) {
  66     return Status;
  67   }
  68
  69   // Declare the Virtio BlockIo device
  70   Status = VirtioMmioInstallDevice (ARM_FVP_BASE_VIRTIO_BLOCK_BASE, ImageHandle);
  71   if (EFI_ERROR (Status)) {
  72     DEBUG ((EFI_D_ERROR, "ArmFvpDxe: Failed to install Virtio block device\n"));
  73   }
  74
  75   // Install dynamic Shell command to run baremetal binaries.
  76   Status = ShellDynCmdRunAxfInstall (ImageHandle);
  77   if (EFI_ERROR (Status)) {
  78     DEBUG ((EFI_D_ERROR, "ArmFvpDxe: Failed to install ShellDynCmdRunAxf\n"));
  79   }
  80
  81   return Status;
  82 }