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/** @file
Copyright (c) 2013-2014, ARM Ltd. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include <Library/UefiLib.h>
#include <Library/VirtioMmioDeviceLib.h>
#include <Library/DebugLib.h>
#include <Library/UefiBootServicesTableLib.h>
#define ARM_FVP_BASE_VIRTIO_BLOCK_BASE 0x1c130000
#pragma pack(1)
typedef struct {
VENDOR_DEVICE_PATH Vendor;
EFI_DEVICE_PATH_PROTOCOL End;
} VIRTIO_BLK_DEVICE_PATH;
#pragma pack()
VIRTIO_BLK_DEVICE_PATH mVirtioBlockDevicePath =
{
{
{
HARDWARE_DEVICE_PATH,
HW_VENDOR_DP,
{
(UINT8)( sizeof(VENDOR_DEVICE_PATH) ),
(UINT8)((sizeof(VENDOR_DEVICE_PATH)) >> 8)
}
},
EFI_CALLER_ID_GUID,
},
{
END_DEVICE_PATH_TYPE,
END_ENTIRE_DEVICE_PATH_SUBTYPE,
{
sizeof (EFI_DEVICE_PATH_PROTOCOL),
0
}
}
};
EFI_STATUS
EFIAPI
ArmFvpInitialise (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
Status = gBS->InstallProtocolInterface (&ImageHandle,
&gEfiDevicePathProtocolGuid, EFI_NATIVE_INTERFACE,
&mVirtioBlockDevicePath);
if (EFI_ERROR (Status)) {
return Status;
}
// Declare the Virtio BlockIo device
Status = VirtioMmioInstallDevice (ARM_FVP_BASE_VIRTIO_BLOCK_BASE, ImageHandle);
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_ERROR, "ArmFvpDxe: Failed to install Virtio block device\n"));
}
return Status;
}
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