nand_flash_common.h File Reference

Common definition of NAND Flash.

This file contains some common definition for NAND Flash module.

Copyright (c) 2012-2018 Microchip Technology Inc. and its subsidiaries.

#include "compiler.h"
#include "conf_nf.h"
#include "board.h"

Macros
#define	NAND_COMMAND_COPYBACK_PROGRAM_1   0x85
#define	NAND_COMMAND_COPYBACK_PROGRAM_2   0x10
#define	NAND_COMMAND_COPYBACK_READ_1   0x00
#define	NAND_COMMAND_COPYBACK_READ_2   0x35
#define	NAND_COMMAND_ERASE_1   0x60
#define	NAND_COMMAND_ERASE_2   0xD0
#define	NAND_COMMAND_RANDOM_IN   0x85
#define	NAND_COMMAND_RANDOM_OUT   0x05
#define	NAND_COMMAND_RANDOM_OUT_2   0xE0
#define	NAND_COMMAND_READ_1   0x00
#define	NAND_COMMAND_READ_2   0x30
#define	NAND_COMMAND_READ_A   0x00
#define	NAND_COMMAND_READ_C   0x50
#define	NAND_COMMAND_READID   0x90
#define	NAND_COMMAND_RESET   0xFF
#define	NAND_COMMAND_STATUS   0x70
#define	NAND_COMMAND_WRITE_1   0x80
#define	NAND_COMMAND_WRITE_2   0x10
#define	NAND_COMMON_ERROR_BADBLOCK   12
#define	NAND_COMMON_ERROR_BLOCKNOTMAPPED   2
#define	NAND_COMMON_ERROR_CANNOTCOPY   14
#define	NAND_COMMON_ERROR_CANNOTERASE   13
#define	NAND_COMMON_ERROR_CANNOTREAD   6
#define	NAND_COMMON_ERROR_CANNOTWRITE   7
#define	NAND_COMMON_ERROR_CORRUPTEDDATA   9
#define	NAND_COMMON_ERROR_ECC_NOT_COMPATIBLE   15
#define	NAND_COMMON_ERROR_MAPPINGNOTFOUND   5
#define	NAND_COMMON_ERROR_NOBLOCKFOUND   4
#define	NAND_COMMON_ERROR_NOMAPPING   11
#define	NAND_COMMON_ERROR_NOMOREBLOCKS   1
	NAND Flash error codes NAND Flash API methods return either 0 (indicating that there was no error), or one of the following error codes: More...
#define	NAND_COMMON_ERROR_OUTOFBOUNDS   3
#define	NAND_COMMON_ERROR_UNKNOWNMODEL   8
#define	NAND_COMMON_ERROR_WRONGSTATUS   10
#define	NAND_COMMON_MAX_BLOCK_NUMBER   2048
	NAND Flash maximum supported values Since no memory allocation is available, limits have been set on various characteristics of a NAND Flash chip: More...
#define	NAND_COMMON_MAX_PAGE_SIZE   4096
#define	NAND_COMMON_MAX_PAGE_SPARE_SIZE   128
#define	NAND_COMMON_MAX_PAGES_PER_BLOCK   256
#define	NAND_COMMON_MAX_SPARE_ECC_BYTES   48
#define	NAND_COMMON_MAX_SPARE_EXTRA_BYTES   78
#define	NAND_STATUS_ERROR   (1 << 0)
#define	NAND_STATUS_READY   (1 << 6)

#define NAND_COMMAND_COPYBACK_PROGRAM_1   0x85

Referenced by copy_page().

#define NAND_COMMAND_COPYBACK_PROGRAM_2   0x10

Referenced by copy_page().

#define NAND_COMMAND_COPYBACK_READ_1   0x00

Referenced by copy_page().

#define NAND_COMMAND_COPYBACK_READ_2   0x35

Referenced by copy_page().

#define NAND_COMMAND_ERASE_1   0x60

Referenced by erase_block().

#define NAND_COMMAND_ERASE_2   0xD0

Referenced by erase_block().

#define NAND_COMMAND_RANDOM_IN   0x85

#define NAND_COMMAND_RANDOM_OUT   0x05

#define NAND_COMMAND_RANDOM_OUT_2   0xE0

#define NAND_COMMAND_READ_1   0x00

Referenced by nand_flash_raw_read_page().

#define NAND_COMMAND_READ_2   0x30

Referenced by nand_flash_raw_read_page().

#define NAND_COMMAND_READ_A   0x00

Referenced by nand_flash_raw_read_page().

#define NAND_COMMAND_READ_C   0x50

#define NAND_COMMAND_READID   0x90

Referenced by nand_flash_raw_read_id().

#define NAND_COMMAND_RESET   0xFF

Referenced by nand_flash_raw_reset().

#define NAND_COMMAND_STATUS   0x70

Referenced by check_status().

#define NAND_COMMAND_WRITE_1   0x80

Referenced by write_page().

#define NAND_COMMAND_WRITE_2   0x10

Referenced by write_page().

#define NAND_COMMON_ERROR_BADBLOCK   12

Referenced by main(), nand_flash_raw_copy_block(), nand_flash_raw_copy_page(), nand_flash_raw_erase_block(), and nand_flash_raw_write_page().

#define NAND_COMMON_ERROR_BLOCKNOTMAPPED   2

#define NAND_COMMON_ERROR_CANNOTCOPY   14

Referenced by copy_page().

#define NAND_COMMON_ERROR_CANNOTERASE   13

Referenced by erase_block().

#define NAND_COMMON_ERROR_CANNOTREAD   6

#define NAND_COMMON_ERROR_CANNOTWRITE   7

Referenced by copy_page(), and write_page().

#define NAND_COMMON_ERROR_CORRUPTEDDATA   9

Referenced by nand_flash_ecc_read_page().

#define NAND_COMMON_ERROR_ECC_NOT_COMPATIBLE   15

#define NAND_COMMON_ERROR_MAPPINGNOTFOUND   5

#define NAND_COMMON_ERROR_NOBLOCKFOUND   4

#define NAND_COMMON_ERROR_NOMAPPING   11

#define NAND_COMMON_ERROR_NOMOREBLOCKS   1

NAND Flash error codes NAND Flash API methods return either 0 (indicating that there was no error), or one of the following error codes:

• NAND_COMMON_ERROR_NOMOREBLOCKS
• NAND_COMMON_ERROR_BLOCKNOTMAPPED
• NAND_COMMON_ERROR_OUTOFBOUNDS
• NAND_COMMON_ERROR_NOBLOCKFOUND
• NAND_COMMON_ERROR_MAPPINGNOTFOUND
• NAND_COMMON_ERROR_CANNOTREAD
• NAND_COMMON_ERROR_CANNOTWRITE
• NAND_COMMON_ERROR_UNKNOWNMODEL
• NAND_COMMON_ERROR_CORRUPTEDDATA
• NAND_COMMON_ERROR_WRONGSTATUS
• NAND_COMMON_ERROR_NOMAPPING
• NAND_COMMON_ERROR_BADBLOCK
• NAND_COMMON_ERROR_CANNOTERASE
• NAND_COMMON_ERROR_CANNOTCOPY
• NAND_COMMON_ERROR_ECC_NOT_COMPATIBLE

#define NAND_COMMON_ERROR_OUTOFBOUNDS   3

Referenced by nand_flash_model_translate_access().

#define NAND_COMMON_ERROR_UNKNOWNMODEL   8

Referenced by nand_flash_model_find(), and nand_flash_raw_initialize().

#define NAND_COMMON_ERROR_WRONGSTATUS   10

#define NAND_COMMON_MAX_BLOCK_NUMBER   2048

NAND Flash maximum supported values Since no memory allocation is available, limits have been set on various characteristics of a NAND Flash chip:

Maximums

• NAND_COMMON_MAX_BLOCK_NUMBER
• NAND_COMMON_MAX_PAGES_PER_BLOCK
• NAND_COMMON_MAX_PAGE_SIZE
• NAND_COMMON_MAX_PAGE_SPARE_SIZE
• NAND_COMMON_MAX_SPARE_ECC_BYTES
• NAND_COMMON_MAX_SPARE_EXTRA_BYTES

#define NAND_COMMON_MAX_PAGE_SIZE   4096

Referenced by copy_page().

#define NAND_COMMON_MAX_PAGE_SPARE_SIZE   128

Referenced by copy_page(), nand_flash_ecc_read_page(), and nand_flash_ecc_write_page().

#define NAND_COMMON_MAX_PAGES_PER_BLOCK   256

#define NAND_COMMON_MAX_SPARE_ECC_BYTES   48

Referenced by nand_flash_ecc_read_page(), and nand_flash_ecc_write_page().

#define NAND_COMMON_MAX_SPARE_EXTRA_BYTES   78

#define NAND_STATUS_ERROR   (1 << 0)

Referenced by check_status().

#define NAND_STATUS_READY   (1 << 6)

Referenced by check_status().