diff options
Diffstat (limited to 'Silicon/Socionext/SynQuacer/Drivers/Fip006Dxe/NorFlashBlockIoDxe.c')
| -rw-r--r-- | Silicon/Socionext/SynQuacer/Drivers/Fip006Dxe/NorFlashBlockIoDxe.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/Silicon/Socionext/SynQuacer/Drivers/Fip006Dxe/NorFlashBlockIoDxe.c b/Silicon/Socionext/SynQuacer/Drivers/Fip006Dxe/NorFlashBlockIoDxe.c new file mode 100644 index 0000000000..b41f500321 --- /dev/null +++ b/Silicon/Socionext/SynQuacer/Drivers/Fip006Dxe/NorFlashBlockIoDxe.c @@ -0,0 +1,138 @@ +/** @file NorFlashBlockIoDxe.c
+
+ Copyright (c) 2011-2013, ARM Ltd. All rights reserved.<BR>
+ Copyright (c) 2011 - 2014, ARM Ltd. All rights reserved.<BR>
+ Copyright (c) 2017, Linaro, 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;
+ EFI_BLOCK_IO_MEDIA *Media;
+
+ if (This == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Instance = INSTANCE_FROM_BLKIO_THIS(This);
+ Media = This->Media;
+
+ DEBUG ((DEBUG_BLKIO,
+ "NorFlashBlockIoReadBlocks(MediaId=0x%x, Lba=%ld, BufferSize=0x%x bytes "
+ "(%d kB), BufferPtr @ 0x%08x)\n", MediaId, Lba, BufferSizeInBytes, Buffer));
+
+ if (!Media) {
+ Status = EFI_INVALID_PARAMETER;
+ } else if (!Media->MediaPresent) {
+ Status = EFI_NO_MEDIA;
+ } else if (Media->MediaId != MediaId) {
+ Status = EFI_MEDIA_CHANGED;
+ } else if ((Media->IoAlign > 2) &&
+ (((UINTN)Buffer & (Media->IoAlign - 1)) != 0)) {
+ Status = EFI_INVALID_PARAMETER;
+ } 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;
+}
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