davincievm_nandflash.h

erase 讀寫nand flash

/*
 *  Copyright 2005 by Spectrum Digital Incorporated.
 *  All rights reserved. Property of Spectrum Digital Incorporated.
 *
 *  Not for distrubition.
 */

/*
 *  ======== nandflash_test.h ========
 */

#ifndef NANDFLASH_
#define NANDFLASH_

#ifdef __cplusplus
extern "C" {
#endif

#include "davincievm.h"

/* ------------------------------------------------------------------------ *
 *  Flash Device - SAMSUNG NAND Flash Memory K9F5608U0B                     *
 * ------------------------------------------------------------------------ */
#define MFG_SAMSUNG                 0xEC

#define DEV_K9F5608U0B              0x75
#define DEV_K9F5608U0B_PAGE_COUNT   32 * 2048 // 32 pages * 2048 blocks

#define DEV_K9F5608Q0B              0x35
#define DEV_K9F5608Q0B_PAGE_COUNT   32 * 2048 // 32 pages * 2048 blocks

#define DEV_K9F2808U0C              0x73
#define DEV_K9F2808U0C_PAGE_COUNT   32 * 1024 // 32 pages * 1024 blocks

#define DEV_K9K1208Q0C              0x36
#define DEV_K9K1208Q0C_PAGE_COUNT   32 * 4096 // 32 pages * 4096 blocks

#define DEV_SMCARD_128              0x79
#define DEV_SMCARD_128_PAGE_COUNT   32 * 8192 // 32 pages * 8192 blocks

/* ------------------------------------------------------------------------ *
 *  Flash Memory Property Definitions                                       *
 * ------------------------------------------------------------------------ */
#define NANDFLASH_BASE                  0x02000000  // SNAND.CS0 BASE
#define NANDFLASH_PAGESIZE              512
#define NANDFLASH_PAGESIZE_POW2         9
#define NANDFLASH_SPARESIZE             16
#define NANDFLASH_SPARESIZE_POW2        4
#define NANDFLASH_PAGES_PER_BLOCK       32
#define NANDFLASH_PAGES_PER_BLOCK_POW2  5

#define NANDFLASH_BLOCKSIZE             \
        NANDFLASH_PAGESIZE * NANDFLASH_PAGES_PER_BLOCK

#define NANDFLASH_BLOCKSIZE_POW2        \
        NANDFLASH_PAGESIZE_POW2 + NANDFLASH_PAGES_PER_BLOCK_POW2

/* ------------------------------------------------------------------------ *
 *  NAND Flash Command Codes                                                *
 * ------------------------------------------------------------------------ */
#define NANDFLASH_READ                      0x00
#define NANDFLASH_READ_HALF                 0x01
#define NANDFLASH_READ_SPARE                0x50
#define NANDFLASH_READID                    0x90
#define NANDFLASH_RESET                     0xff
#define NANDFLASH_POINTER_MAIN              0x00
#define NANDFLASH_POINTER_MAIN_HALF         0x01
#define NANDFLASH_POINTER_SPARE             0x50
#define NANDFLASH_PROGRAM                   0x80
#define NANDFLASH_PROGRAM_CONFIRM           0x10
#define NANDFLASH_COPYBACK                  0x00
#define NANDFLASH_COPYBACK_CONFIRM          0x8A
#define NANDFLASH_ERASE                     0x60
#define NANDFLASH_ERASE_CONFIRM             0xd0
#define NANDFLASH_STATUS                    0x70
#define NANDFLASH_START_UNLOCK              0x23
#define NANDFLASH_END_UNLOCK              	0x24
#define NANDFLASH_LOCK_BLOCK              	0x2A

/* ------------------------------------------------------------------------ *
 *  NAND Flash Status Register Definitions                                  *
 * ------------------------------------------------------------------------ */
#define NANDFLASH_STATUS_SUCCESS            0xFFFE
#define NANDFLASH_STATUS_ERROR              0x0001
#define NANDFLASH_STATUS_BUSY               0xFFBF
#define NANDFLASH_STATUS_READY              0x0040
#define NANDFLASH_STATUS_WPROTECT           0xFF7F
#define NANDFLASH_STATUS_NOWPROTECT         0x0080

/* ------------------------------------------------------------------------ *
 *  NAND Flash Memory Data Pointer                                          *
 * ------------------------------------------------------------------------ */
#define NANDFLASH_BASE_PTR  *( volatile Uint8* )( NANDFLASH_BASE + 0x00 )
#define NANDFLASH_CLE       *( volatile Uint8* )( NANDFLASH_BASE + 0x10 )
#define NANDFLASH_ALE       *( volatile Uint8* )( NANDFLASH_BASE + 0x0A )


#define NANDFLASH_ASSERT_CE
#define NANDFLASH_DEASSERT_CE

#define NANDFLASH_READ_RB   ( ( *( volatile Uint32* )( 0x01E00064 ) ) & 1 )

/* ------------------------------------------------------------------------ *
 *  NAND Flash R/B functions                                                *
 * ------------------------------------------------------------------------ */
#define NANDFLASH_NOERROR           0
#define NANDFLASH_ERROR             1000
#define NANDFLASH_TIMEOUT           2000

/* ------------------------------------------------------------------------ *
 *  Address decoding                                                        *
 *      _3 = 24 address bits [00-07]--->[09-16]--->[17-23]                  *
 *      _2 = 16 address bits [09-16]--->[17-23]                             *
 *      _1 =  8 address bits [17-23]                                        *
 * ------------------------------------------------------------------------ */

#define NANDFLASH_ALE_1( addr ) \
        NANDFLASH_ALE = ( addr >> 25 ) & 0xFF;
#define NANDFLASH_ALE_2( addr ) \
        NANDFLASH_ALE = (addr >> 17) & 0xFF; NANDFLASH_ALE_1( addr );
#define NANDFLASH_ALE_3( addr ) \
        NANDFLASH_ALE = (addr >> 9) & 0xFF; NANDFLASH_ALE_2( addr );
#define NANDFLASH_ALE_4( addr ) \
        NANDFLASH_ALE = (addr >> 0) & 0xFF; NANDFLASH_ALE_3( addr );

/* ------------------------------------------------------------------------ *
 *  API Prototypes                                                          *
 * ------------------------------------------------------------------------ */
Int16  NANDFLASH_init          ( );
Int16  NANDFLASH_unProtect(Uint32 startBlkAddr, Uint32 endBlkAddr);
Int16  NANDFLASH_protect(Uint32 startBlkAddr, Uint32 endBlkAddr);
Int16  NANDFLASH_erase         ( Uint32 start,
                                         Uint32 block_count );
Uint32 NANDFLASH_getTotalPages ( );
Int16  NANDFLASH_readPage      ( Uint32 src,
                                         Uint32 dst,
                                         Uint32 page_count );
Int16  NANDFLASH_writePage     ( Uint32 src,
                                         Uint32 dst,
                                         Uint32 page_count );
Int16  NANDFLASH_readSpare     ( Uint32 src,
                                         Uint32 dst,
                                         Uint32 spare_count );
Int16  NANDFLASH_writeSpare    ( Uint32 src,
                                         Uint32 dst,
                                         Uint32 spare_count );
Int16  NANDFLASH_checksum      ( Uint32 start,
                                         Uint32 page_count,
                                         Uint32* main_checksum,
                                         Uint32* spare_checksum );
Int16  NANDFLASH_pollBusyBit           ( Uint32 timeout );
#ifdef __cplusplus
}
#endif

#endif