sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

OvmfPkg/VirtNorFlashDxe: drop block I/O protocol implementation

Browse Source 
We never boot from NOR flash, and generally rely on the firmware volume
PI protocols to expose the contents. So drop the block I/O protocol
implementation from VirtNorFlashDxe.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
This commit is contained in:
Ard Biesheuvel
2022-10-24 17:12:08 +02:00
committed by mergify[bot]
parent 68d234989b
commit 83f11f9572
5 changed files with 45 additions and 154 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
OvmfPkg/VirtNorFlashDxe/VirtNorFlash.h
View File

@@ -14,7 +14,6 @@
#include <Guid/EventGroup.h>
#include <Protocol/BlockIo.h>
#include <Protocol/FirmwareVolumeBlock.h>
#include <Library/DebugLib.h>
@@ -108,8 +107,7 @@
#define P30_CMD_READ_CONFIGURATION_REGISTER 0x0003
#define NOR_FLASH_SIGNATURE SIGNATURE_32('n', 'o', 'r', '0')
#define INSTANCE_FROM_FVB_THIS(a) CR(a, NOR_FLASH_INSTANCE, FvbProtocol, NOR_FLASH_SIGNATURE)
#define INSTANCE_FROM_BLKIO_THIS(a) CR(a, NOR_FLASH_INSTANCE, BlockIoProtocol, NOR_FLASH_SIGNATURE)
#define INSTANCE_FROM_FVB_THIS(a) CR(a, NOR_FLASH_INSTANCE, FvbProtocol, NOR_FLASH_SIGNATURE)
typedef struct _NOR_FLASH_INSTANCE NOR_FLASH_INSTANCE;
@@ -129,9 +127,8 @@ struct _NOR_FLASH_INSTANCE {
UINTN RegionBaseAddress;
UINTN Size;
EFI_LBA StartLba;
EFI_BLOCK_IO_PROTOCOL BlockIoProtocol;
EFI_BLOCK_IO_MEDIA Media;
EFI_LBA LastBlock;
UINT32 BlockSize;
EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL FvbProtocol;
VOID *ShadowBuffer;
@@ -155,51 +152,6 @@ NorFlashWriteBuffer (
IN UINT32 *Buffer
);
//
// BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.Reset
//
EFI_STATUS
EFIAPI
NorFlashBlockIoReset (
IN EFI_BLOCK_IO_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
);
//
// BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.ReadBlocks
//
EFI_STATUS
EFIAPI
NorFlashBlockIoReadBlocks (
IN EFI_BLOCK_IO_PROTOCOL *This,
IN UINT32 MediaId,
IN EFI_LBA Lba,
IN UINTN BufferSizeInBytes,
OUT VOID *Buffer
);
//
// BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.WriteBlocks
//
EFI_STATUS
EFIAPI
NorFlashBlockIoWriteBlocks (
IN EFI_BLOCK_IO_PROTOCOL *This,
IN UINT32 MediaId,
IN EFI_LBA Lba,
IN UINTN BufferSizeInBytes,
IN VOID *Buffer
);
//
// BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.FlushBlocks
//
EFI_STATUS
EFIAPI
NorFlashBlockIoFlushBlocks (
IN EFI_BLOCK_IO_PROTOCOL *This
);
//
// NorFlashFvbDxe.c
//