1 files changed, 109 insertions, 0 deletions
diff --git a/Silicon/Hisilicon/Drivers/FlashFvbDxe/FlashBlockIoDxe.c b/Silicon/Hisilicon/Drivers/FlashFvbDxe/FlashBlockIoDxe.c
new file mode 100644
index 0000000000..91c07338ed
--- /dev/null
+++ b/Silicon/Hisilicon/Drivers/FlashFvbDxe/FlashBlockIoDxe.c
@@ -0,0 +1,109 @@
+/** @file
+*
+*  Copyright (c) 2011-2015, ARM Limited. All rights reserved.
+*  Copyright (c) 2015, Hisilicon Limited. All rights reserved.
+*  Copyright (c) 2015, Linaro Limited. All rights reserved.
+*
+*  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 "FlashFvbDxe.h"
+
+//
+// BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.ReadBlocks
+//
+EFI_STATUS
+EFIAPI
+FlashBlockIoReadBlocks (
+    IN  EFI_BLOCK_IO_PROTOCOL*     This,
+    IN  UINT32                  MediaId,
+    IN  EFI_LBA                     Lba,
+    IN  UINTN         BufferSizeInBytes,
+    OUT VOID*                     Buffer
+)
+{
+    FLASH_INSTANCE*   Instance;
+    EFI_STATUS          Status;
+
+    Instance = INSTANCE_FROM_BLKIO_THIS(This);
+
+    DEBUG ((EFI_D_INFO, "FlashBlockIoReadBlocks(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 = FlashReadBlocks (Instance, Lba, BufferSizeInBytes, Buffer);
+    }
+
+    return Status;
+}
+
+//
+// BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.WriteBlocks
+//
+EFI_STATUS
+EFIAPI
+FlashBlockIoWriteBlocks (
+    IN  EFI_BLOCK_IO_PROTOCOL*     This,
+    IN  UINT32                  MediaId,
+    IN  EFI_LBA                     Lba,
+    IN  UINTN         BufferSizeInBytes,
+    IN  VOID*                     Buffer
+)
+{
+    FLASH_INSTANCE*   Instance;
+    EFI_STATUS          Status;
+
+    Instance = INSTANCE_FROM_BLKIO_THIS(This);
+
+    DEBUG ((EFI_D_INFO, "FlashBlockIoWriteBlocks(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 = FlashWriteBlocks (Instance, Lba, BufferSizeInBytes, Buffer);
+    }
+
+    return Status;
+}
+
+//
+// BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.FlushBlocks
+//
+EFI_STATUS
+EFIAPI
+FlashBlockIoFlushBlocks (
+    IN EFI_BLOCK_IO_PROTOCOL*  This
+)
+{
+    // No Flush required for the NOR Flash driver
+    // because cache operations are not permitted.
+
+    // Nothing to do so just return without error
+    return EFI_SUCCESS;
+}