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+/** @file
+
+ Copyright (c) 2008-2009 Apple Inc. All rights reserved.<BR>
+
+ 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.
+
+**/
+
+#ifndef FLASH_H
+#define FLASH_H
+
+#include <Uefi.h>
+
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/DebugLib.h>
+#include <Library/IoLib.h>
+#include <Library/PcdLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/IoLib.h>
+
+#include <Protocol/BlockIo.h>
+#include <Protocol/Cpu.h>
+#include <Omap3530/Omap3530.h>
+
+#define PAGE_SIZE(x) ((x) & 0x01)
+#define PAGE_SIZE_2K_VAL (0x01UL)
+
+#define SPARE_AREA_SIZE(x) (((x) >> 2) & 0x01)
+#define SPARE_AREA_SIZE_64B_VAL (0x1UL)
+
+#define BLOCK_SIZE(x) (((x) >> 4) & 0x01)
+#define BLOCK_SIZE_128K_VAL (0x01UL)
+
+#define ORGANIZATION(x) (((x) >> 6) & 0x01)
+#define ORGANIZATION_X8 (0x0UL)
+#define ORGANIZATION_X16 (0x1UL)
+
+#define PAGE_SIZE_512B (512)
+#define PAGE_SIZE_2K (2048)
+#define PAGE_SIZE_4K (4096)
+#define SPARE_AREA_SIZE_16B (16)
+#define SPARE_AREA_SIZE_64B (64)
+
+#define BLOCK_SIZE_16K (16*1024)
+#define BLOCK_SIZE_128K (128*1024)
+
+#define BLOCK_COUNT (2048)
+#define LAST_BLOCK (BLOCK_COUNT - 1)
+
+#define ECC_POSITION 2
+
+//List of commands.
+#define RESET_CMD 0xFF
+#define READ_ID_CMD 0x90
+
+#define READ_STATUS_CMD 0x70
+
+#define PAGE_READ_CMD 0x00
+#define PAGE_READ_CONFIRM_CMD 0x30
+
+#define BLOCK_ERASE_CMD 0x60
+#define BLOCK_ERASE_CONFIRM_CMD 0xD0
+
+#define PROGRAM_PAGE_CMD 0x80
+#define PROGRAM_PAGE_CONFIRM_CMD 0x10
+
+//Nand status register bit definition
+#define NAND_SUCCESS (0x0UL << 0)
+#define NAND_FAILURE (0x1UL << 0)
+
+#define NAND_BUSY (0x0UL << 6)
+#define NAND_READY (0x1UL << 6)
+
+#define NAND_RESET_STATUS (0x60UL << 0)
+
+#define MAX_RETRY_COUNT 1500
+
+EFI_BLOCK_IO_MEDIA NandFlashMedia = {
+ SIGNATURE_32('n','a','n','d'), // MediaId
+ FALSE, // RemovableMedia
+ TRUE, // MediaPresent
+ TRUE, // LogicalPartition
+ FALSE, // ReadOnly
+ FALSE, // WriteCaching
+ 0, // BlockSize
+ 2, // IoAlign
+ 0, // Pad
+ 0 // LastBlock
+};
+
+typedef struct {
+ UINT8 ManufactureId;
+ UINT8 DeviceId;
+ UINT8 BlockAddressStart; //Start of the Block address in actual NAND
+ UINT8 PageAddressStart; //Start of the Page address in actual NAND
+} NAND_PART_INFO_TABLE;
+
+typedef struct {
+ UINT8 ManufactureId;
+ UINT8 DeviceId;
+ UINT8 Organization; //x8 or x16
+ UINT32 PageSize;
+ UINT32 SparePageSize;
+ UINT32 BlockSize;
+ UINT32 NumPagesPerBlock;
+ UINT8 BlockAddressStart; //Start of the Block address in actual NAND
+ UINT8 PageAddressStart; //Start of the Page address in actual NAND
+} NAND_FLASH_INFO;
+
+#endif //FLASH_H