+++ /dev/null
-/** @file NorFlashBlockIoDxe.c
-
- Copyright (c) 2011-2012, 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/BaseMemoryLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-
-#include "NorFlashDxe.h"
-
-//
-// BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.Reset
-//
-EFI_STATUS
-EFIAPI
-NorFlashBlockIoReset (
- IN EFI_BLOCK_IO_PROTOCOL *This,
- IN BOOLEAN ExtendedVerification
- )
-{
- NOR_FLASH_INSTANCE *Instance;
-
- Instance = INSTANCE_FROM_BLKIO_THIS(This);
-
- DEBUG ((DEBUG_BLKIO, "NorFlashBlockIoReset(MediaId=0x%x)\n", This->Media->MediaId));
-
- return NorFlashReset (Instance);
-}
-
-//
-// 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
- )
-{
- NOR_FLASH_INSTANCE *Instance;
- EFI_STATUS Status;
-
- Instance = INSTANCE_FROM_BLKIO_THIS(This);
-
- DEBUG ((DEBUG_BLKIO, "NorFlashBlockIoReadBlocks(MediaId=0x%x, Lba=%ld, BufferSize=0x%x bytes (%d kB), BufferPtr @ 0x%08x)\n", MediaId, Lba, BufferSizeInBytes, Buffer));
-
- if( !This->Media->MediaPresent ) {
- Status = EFI_NO_MEDIA;
- } else if( This->Media->MediaId != MediaId ) {
- Status = EFI_MEDIA_CHANGED;
- } else {
- Status = NorFlashReadBlocks (Instance,Lba,BufferSizeInBytes,Buffer);
- }
-
- return Status;
-}
-
-//
-// 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
- )
-{
- NOR_FLASH_INSTANCE *Instance;
- EFI_STATUS Status;
-
- Instance = INSTANCE_FROM_BLKIO_THIS(This);
-
- DEBUG ((DEBUG_BLKIO, "NorFlashBlockIoWriteBlocks(MediaId=0x%x, Lba=%ld, BufferSize=0x%x bytes (%d kB), BufferPtr @ 0x%08x)\n", MediaId, Lba, BufferSizeInBytes, Buffer));
-
- if( !This->Media->MediaPresent ) {
- Status = EFI_NO_MEDIA;
- } else if( This->Media->MediaId != MediaId ) {
- Status = EFI_MEDIA_CHANGED;
- } else if( This->Media->ReadOnly ) {
- Status = EFI_WRITE_PROTECTED;
- } else {
- Status = NorFlashWriteBlocks (Instance,Lba,BufferSizeInBytes,Buffer);
- }
-
- return Status;
-}
-
-//
-// BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.FlushBlocks
-//
-EFI_STATUS
-EFIAPI
-NorFlashBlockIoFlushBlocks (
- IN EFI_BLOCK_IO_PROTOCOL *This
- )
-{
- // No Flush required for the NOR Flash driver
- // because cache operations are not permitted.
-
- DEBUG ((DEBUG_BLKIO, "NorFlashBlockIoFlushBlocks: Function NOT IMPLEMENTED (not required).\n"));
-
- // Nothing to do so just return without error
- return EFI_SUCCESS;
-}