boot_flash.h

NXP LPC3000系列 wince BSP包

//*********************************************************************
//* Software that is described herein is for illustrative purposes only  
//* which provides customers with programming information regarding the  
//* products. This software is supplied "AS IS" without any warranties.  
//* NXP Semiconductors assumes no responsibility or liability for the 
//* use of the software, conveys no license or title under any patent, 
//* copyright, or mask work right to the product. NXP Semiconductors 
//* reserves the right to make changes in the software without 
//* notification. NXP Semiconductors also make no representation or 
//* warranty that such application will be suitable for the specified 
//* use without further testing or modification. 
//*********************************************************************
//
// boot_args.h
//
// Structure of persistent boot arguments used with EBOOT
//

#pragma once

#include "lpc_types.h"

//**********************************************************************
// NAND part number : ST Micro NAND128-A/NAND256-A/NAND512-A/NAND01G-A
// Size             : 128Mbits/256Mbits/512Mbits/1Gbits
// Ids              : 0x73/(0x35,0x75)/(0x36,0x76)/(0x39,0x79)
// Number of blocks : 1024/2048/4096/8192
// Pages per block  : 32
// Bytes per page   : 528 (512 + 16 spare)
// Bad block marker : (Offset 512+6)
// Bus size         : 8 bits
// Other info       : None
//**********************************************************************

// Structure that stores the device geometry
typedef struct
{
	INT_32 num_blocks;
	INT_32 pages_per_block;
	INT_32 bytes_per_page;
	INT_32 extra_per_page;
	UNS_32 addrcycles;
} NAND_GEOM_T;

// The bad block marker provided by the vendor is in the spare data
// area at byte 6 (offset 5)
#define NAND_BADBLOCK_OFFS     (512 + 5)

// Good block marker flag
#define NAND_GOOD_BLOCK_MARKER 0xFF

// ECC storage area offset into the extra data area
#define NAND_ECC_OFFS          8

//**********************************************************************
// NAND support functions
//**********************************************************************

// Setup NAND timing
void nand_clock_setup(void);

// Initialize NAND and get NAND gemoetry
INT_32 nand_init(NAND_GEOM_T *geom);

// Erase a NAND block
INT_32 nand_erase_block(INT_32 block);

// Read a NAND page
INT_32 nand_read_page(INT_32 block,
                      INT_32 page,
                      UNS_8 *buff,
                      UNS_8 *extrabuff);

// Write a NAND page
INT_32 nand_write_page(INT_32 block,
                       INT_32 page,
                       UNS_8 *buff,
                       UNS_8 *extrabuff);

// Read a series of NAND sectors, optionally skip bad blocks
INT_32 nand_read_sectors(INT_32 sector_start,
                         INT_32 num_sectors,
					     UNS_8 *readbuff,
					     BOOL skipbad);

// Write a series of NAND sectors, optionally skip bad blocks
INT_32 nand_write_sectors(INT_32 sector_start,
                          INT_32 num_sectors,
					      UNS_8 *writebuff,
					      BOOL skipbad);

// Translate a block and page address to a sector
INT_32 nand_to_sector(INT_32 block,
                      INT_32 page);

// Translate a sector address to a block and page address
void sector_to_nand(INT_32 sector,
                    INT_32 *block,
                    INT_32 *page);

// Enable or disable NAND write protect
void phy3250_nand_wp(BOOL enable);