a4ab7df48f
This driver should be used when adding code specific to a platform based on ARM VExpress based board. ArmFvpDxe driver has been renamed into ArmVExpressDxe driver to support the hardware based platforms and the model based platforms. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Olivier Martin <olivier.martin@arm.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15279 6f19259b-4bc3-4df7-8a09-765794883524
76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
/** @file
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Copyright (c) 2013-2014, ARM Ltd. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <Library/UefiLib.h>
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#include <Library/VirtioMmioDeviceLib.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#define ARM_FVP_BASE_VIRTIO_BLOCK_BASE 0x1c130000
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#pragma pack(1)
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typedef struct {
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VENDOR_DEVICE_PATH Vendor;
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EFI_DEVICE_PATH_PROTOCOL End;
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} VIRTIO_BLK_DEVICE_PATH;
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#pragma pack()
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VIRTIO_BLK_DEVICE_PATH mVirtioBlockDevicePath =
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{
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{
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{
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HARDWARE_DEVICE_PATH,
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HW_VENDOR_DP,
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{
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(UINT8)( sizeof(VENDOR_DEVICE_PATH) ),
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(UINT8)((sizeof(VENDOR_DEVICE_PATH)) >> 8)
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}
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},
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EFI_CALLER_ID_GUID,
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},
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{
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END_DEVICE_PATH_TYPE,
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END_ENTIRE_DEVICE_PATH_SUBTYPE,
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{
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sizeof (EFI_DEVICE_PATH_PROTOCOL),
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0
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}
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}
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};
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EFI_STATUS
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EFIAPI
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ArmFvpInitialise (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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Status = gBS->InstallProtocolInterface (&ImageHandle,
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&gEfiDevicePathProtocolGuid, EFI_NATIVE_INTERFACE,
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&mVirtioBlockDevicePath);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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// Declare the Virtio BlockIo device
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Status = VirtioMmioInstallDevice (ARM_FVP_BASE_VIRTIO_BLOCK_BASE, ImageHandle);
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if (EFI_ERROR (Status)) {
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DEBUG ((EFI_D_ERROR, "ArmFvpDxe: Failed to install Virtio block device\n"));
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}
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return Status;
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}
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