Linux MTD源代码分析(Jim Zeus著)--linux下flash驱动开发重要参考

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目录

专有名词：.... 7

Linux MTD介绍：... 8

设备层和原始设备层的函数调用关系(红色部分需要我们实现)：... 9

NOR型Flash芯片驱动与MTD原始设备... 10

NAND和NOR的比较... 11

源码分析... 14

头文件分析... 14

mtd.h. 14

MTD_CHAR_MAJOR. 14

MTD_BLOCK_MAJOR. 14

MAX_MTD_DEVICES. 14

mtd_info. 14

mtd_info.type的取值... 16

mtd_info.flags的取值... 16

mtd_info.ecctype的取值... 17

erase_info. 17

erase_info.state的取值... 17

mtd_notifier 17

get_mtd_device. 18

put_mtd_device. 19

partitions.h. 19

mtd_partition. 19

MTDPART_OFS_APPEND.. 20

MTDPART_SIZ_FULL. 20

map.h. 20

map_info. 20

mtd_chip_driver 21

gen_probe.h. 21

chip_probe. 22

cfi.h. 22

cfi_private. 22

cfi_private.cfi_mode的取值... 22

cfi_ident 23

cfi_ident.P_ID的取值... 23

flashchip.h. 24

flchip. 24

/drivers/mtd/子目录... 24

mtdcore.c. 25

mtd_table. 25

mtd_notifiers. 25

add_mtd_device. 25

del_mtd_device. 26

register_mtd_user 28

unregister_mtd_user 29

__get_mtd_device. 30

mtdpart.c. 31

mtd_partitions. 32

mtd_part 32

PART(x) 32

add_mtd_partitions. 32

del_mtd_partitions. 36

part_read. 37

part_write. 37

part_readv. 37

part_writev. 37

part_erase. 37

part_lock. 37

part_unlock. 37

part_sync. 37

part_suspend. 37

part_resume. 37

mtdblock.c. 38

notifier 38

mtdblk_dev. 38

mtdblks. 39

erase_callback. 39

erase_write. 39

write_cached_data. 41

do_cached_write. 42

do_cached_read. 45

mtdblock_open. 46

mtdblock_release. 49

handle_mtdblock_request 50

leaving. 52

mtdblock_thread. 52

mtdblock_ioctl 54

mtd_fops. 55

init_mtdblock. 55

cleanup_mtdblock. 57

mtdchar.c. 58

notifier 58

mtd_lseek. 58

mtd_open. 59

mtd_close. 61

MAX_KMALLOC_SIZE. 61

mtd_read. 62

mtd_write. 63

mtd_erase_callback. 65

mtd_ioctl 66

mtd_fops. 71

init_mtdchar 72

cleanup_mtdchar 73

/drivers/mtd/chips子目录... 74

chipreg.c. 74

chip_drvs_list 74

register_mtd_chip_driver 74

unregister_mtd_chip_driver 75

get_mtd_chip_driver 76

do_map_probe. 77

cfi_probe.c. 78

cfi_chipdrv. 78

cfi_probe_init 78

cfi_probe_exit 79

cfi_probe. 80

cfi_chip_probe. 80

cfi_probe_chip. 80

qry_present 81

cfi_chip_setup. 82

jedec_probe.c. 84

amd_flash_info. 84

jedec_table. 84

jedec_chipdrv. 85

jedec_probe_init 85

jedec_probe_exit 85

jedec_probe. 86

jedec_probe_chip. 87

jedec_probe_chip. 87

cfi_jedec_setup. 87

gen_probe.c. 88

mtd_do_chip_probe. 88

genprobe_ident_chips. 89

genprobe_new_chip. 90

check_cmd_set 91

cfi_cmdset_unkown. 92

cfi_cmdset_0002.c. 93

cfi_amdstd_chipdrv. 93

cfi_cmdset_0002. 93

cfi_amdstd_setup. 96

cfi_amdstd_erase_onesize. 99

do_erase_oneblock. 101

cfi_amdstd_read. 103

do_read_onechip. 105

cfi_amdstd_write. 106

do_write_oneword. 111

cfi_amdstd_sync. 113

cfi_amdstd_suspend. 113

cfi_amdstd_resume. 113

cfi_amdstd_destroy. 113

cfi_amdstd_erase_varsize. 113

cfi_amdstd_init 114

cfi_amdstd_exit 114

cfi_cmdset_0001.c. 115

/drivers/mtd/maps子目录... 115

your-flash.c. 115

WINDOW_ADDR. 115

WINDOW_SIZE. 115

BUSWIDTH. 115

mymtd. 116

your_read8. 116

your_read16. 117

your_read32. 117

your_copy_from.. 117

your_write8. 117

your_write16. 117

your_write32. 117

your_copy_to. 117

your_set_vpp. 117

your_partition. 118

NUM_PARTITIONS. 119

your_map. 119

init_yourflash. 119

cleanup_yourflash

2010-4-16 11:30 上传

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