drivers/mtd/nand/Kconfig

   1 config MTD_NAND_ECC
   2         tristate
   3
   4 config MTD_NAND_ECC_SMC
   5         bool "NAND ECC Smart Media byte order"
   6         depends on MTD_NAND_ECC
   7         default n
   8         help
   9           Software ECC according to the Smart Media Specification.
  10           The original Linux implementation had byte 0 and 1 swapped.
  11
  12
  13 menuconfig MTD_NAND
  14         tristate "NAND Device Support"
  15         depends on MTD
  16         select MTD_NAND_IDS
  17         select MTD_NAND_ECC
  18         help
  19           This enables support for accessing all type of NAND flash
  20           devices. For further information see
  21           <http://www.linux-mtd.infradead.org/doc/nand.html>.
  22
  23 if MTD_NAND
  24
  25 config MTD_NAND_VERIFY_WRITE
  26         bool "Verify NAND page writes"
  27         help
  28           This adds an extra check when data is written to the flash. The
  29           NAND flash device internally checks only bits transitioning
  30           from 1 to 0. There is a rare possibility that even though the
  31           device thinks the write was successful, a bit could have been
  32           flipped accidentally due to device wear or something else.
  33
  34 config MTD_SM_COMMON
  35         tristate
  36         default n
  37
  38 config MTD_NAND_MUSEUM_IDS
  39         bool "Enable chip ids for obsolete ancient NAND devices"
  40         default n
  41         help
  42           Enable this option only when your board has first generation
  43           NAND chips (page size 256 byte, erase size 4-8KiB). The IDs
  44           of these chips were reused by later, larger chips.
  45
  46 config MTD_NAND_AUTCPU12
  47         tristate "SmartMediaCard on autronix autcpu12 board"
  48         depends on ARCH_AUTCPU12
  49         help
  50           This enables the driver for the autronix autcpu12 board to
  51           access the SmartMediaCard.
  52
  53 config MTD_NAND_DENALI
  54        depends on PCI
  55         tristate "Support Denali NAND controller on Intel Moorestown"
  56         help
  57           Enable the driver for NAND flash on Intel Moorestown, using the
  58           Denali NAND controller core.
  59
  60 config MTD_NAND_DENALI_SCRATCH_REG_ADDR
  61         hex "Denali NAND size scratch register address"
  62         default "0xFF108018"
  63         depends on MTD_NAND_DENALI
  64         help
  65           Some platforms place the NAND chip size in a scratch register
  66           because (some versions of) the driver aren't able to automatically
  67           determine the size of certain chips. Set the address of the
  68           scratch register here to enable this feature. On Intel Moorestown
  69           boards, the scratch register is at 0xFF108018.
  70
  71 config MTD_NAND_EDB7312
  72         tristate "Support for Cirrus Logic EBD7312 evaluation board"
  73         depends on ARCH_EDB7312
  74         help
  75           This enables the driver for the Cirrus Logic EBD7312 evaluation
  76           board to access the onboard NAND Flash.
  77
  78 config MTD_NAND_H1900
  79         tristate "iPAQ H1900 flash"
  80         depends on ARCH_PXA && MTD_PARTITIONS
  81         help
  82           This enables the driver for the iPAQ h1900 flash.
  83
  84 config MTD_NAND_GPIO
  85         tristate "GPIO NAND Flash driver"
  86         depends on GENERIC_GPIO && ARM
  87         help
  88           This enables a GPIO based NAND flash driver.
  89
  90 config MTD_NAND_SPIA
  91         tristate "NAND Flash device on SPIA board"
  92         depends on ARCH_P720T
  93         help
  94           If you had to ask, you don't have one. Say 'N'.
  95
  96 config MTD_NAND_AMS_DELTA
  97         tristate "NAND Flash device on Amstrad E3"
  98         depends on MACH_AMS_DELTA
  99         help
 100           Support for NAND flash on Amstrad E3 (Delta).
 101
 102 config MTD_NAND_OMAP2
 103         tristate "NAND Flash device on OMAP2 and OMAP3"
 104         depends on ARM && (ARCH_OMAP2 || ARCH_OMAP3)
 105         help
 106           Support for NAND flash on Texas Instruments OMAP2 and OMAP3 platforms.
 107
 108 config MTD_NAND_OMAP_PREFETCH
 109         bool "GPMC prefetch support for NAND Flash device"
 110         depends on MTD_NAND_OMAP2
 111         default y
 112         help
 113          The NAND device can be accessed for Read/Write using GPMC PREFETCH engine
 114          to improve the performance.
 115
 116 config MTD_NAND_OMAP_PREFETCH_DMA
 117         depends on MTD_NAND_OMAP_PREFETCH
 118         bool "DMA mode"
 119         default n
 120         help
 121          The GPMC PREFETCH engine can be configured eigther in MPU interrupt mode
 122          or in DMA interrupt mode.
 123          Say y for DMA mode or MPU mode will be used
 124
 125 config MTD_NAND_IDS
 126         tristate
 127
 128 config MTD_NAND_RICOH
 129         tristate "Ricoh xD card reader"
 130         default n
 131         depends on PCI
 132         select MTD_SM_COMMON
 133         help
 134           Enable support for Ricoh R5C852 xD card reader
 135           You also need to enable ether
 136           NAND SSFDC (SmartMedia) read only translation layer' or new
 137           expermental, readwrite
 138           'SmartMedia/xD new translation layer'
 139
 140 config MTD_NAND_AU1550
 141         tristate "Au1550/1200 NAND support"
 142         depends on SOC_AU1200 || SOC_AU1550
 143         help
 144           This enables the driver for the NAND flash controller on the
 145           AMD/Alchemy 1550 SOC.
 146
 147 config MTD_NAND_BF5XX
 148         tristate "Blackfin on-chip NAND Flash Controller driver"
 149         depends on BF54x || BF52x
 150         help
 151           This enables the Blackfin on-chip NAND flash controller
 152
 153           No board specific support is done by this driver, each board
 154           must advertise a platform_device for the driver to attach.
 155
 156           This driver can also be built as a module. If so, the module
 157           will be called bf5xx-nand.
 158
 159 config MTD_NAND_BF5XX_HWECC
 160         bool "BF5XX NAND Hardware ECC"
 161         default y
 162         depends on MTD_NAND_BF5XX
 163         help
 164           Enable the use of the BF5XX's internal ECC generator when
 165           using NAND.
 166
 167 config MTD_NAND_BF5XX_BOOTROM_ECC
 168         bool "Use Blackfin BootROM ECC Layout"
 169         default n
 170         depends on MTD_NAND_BF5XX_HWECC
 171         help
 172           If you wish to modify NAND pages and allow the Blackfin on-chip
 173           BootROM to boot from them, say Y here.  This is only necessary
 174           if you are booting U-Boot out of NAND and you wish to update
 175           U-Boot from Linux' userspace.  Otherwise, you should say N here.
 176
 177           If unsure, say N.
 178
 179 config MTD_NAND_RTC_FROM4
 180         tristate "Renesas Flash ROM 4-slot interface board (FROM_BOARD4)"
 181         depends on SH_SOLUTION_ENGINE
 182         select REED_SOLOMON
 183         select REED_SOLOMON_DEC8
 184         select BITREVERSE
 185         help
 186           This enables the driver for the Renesas Technology AG-AND
 187           flash interface board (FROM_BOARD4)
 188
 189 config MTD_NAND_PPCHAMELEONEVB
 190         tristate "NAND Flash device on PPChameleonEVB board"
 191         depends on PPCHAMELEONEVB && BROKEN
 192         help
 193           This enables the NAND flash driver on the PPChameleon EVB Board.
 194
 195 config MTD_NAND_S3C2410
 196         tristate "NAND Flash support for Samsung S3C SoCs"
 197         depends on ARCH_S3C2410 || ARCH_S3C64XX
 198         help
 199           This enables the NAND flash controller on the S3C24xx and S3C64xx
 200           SoCs
 201
 202           No board specific support is done by this driver, each board
 203           must advertise a platform_device for the driver to attach.
 204
 205 config MTD_NAND_S3C2410_DEBUG
 206         bool "Samsung S3C NAND driver debug"
 207         depends on MTD_NAND_S3C2410
 208         help
 209           Enable debugging of the S3C NAND driver
 210
 211 config MTD_NAND_S3C2410_HWECC
 212         bool "Samsung S3C NAND Hardware ECC"
 213         depends on MTD_NAND_S3C2410
 214         help
 215           Enable the use of the controller's internal ECC generator when
 216           using NAND. Early versions of the chips have had problems with
 217           incorrect ECC generation, and if using these, the default of
 218           software ECC is preferable.
 219
 220 config MTD_NAND_NDFC
 221         tristate "NDFC NanD Flash Controller"
 222         depends on 4xx
 223         select MTD_NAND_ECC_SMC
 224         help
 225          NDFC Nand Flash Controllers are integrated in IBM/AMCC's 4xx SoCs
 226
 227 config MTD_NAND_S3C2410_CLKSTOP
 228         bool "Samsung S3C NAND IDLE clock stop"
 229         depends on MTD_NAND_S3C2410
 230         default n
 231         help
 232           Stop the clock to the NAND controller when there is no chip
 233           selected to save power. This will mean there is a small delay
 234           when the is NAND chip selected or released, but will save
 235           approximately 5mA of power when there is nothing happening.
 236
 237 config MTD_NAND_BCM_UMI
 238         tristate "NAND Flash support for BCM Reference Boards"
 239         depends on ARCH_BCMRING
 240         help
 241           This enables the NAND flash controller on the BCM UMI block.
 242
 243           No board specfic support is done by this driver, each board
 244           must advertise a platform_device for the driver to attach.
 245
 246 config MTD_NAND_BCM_UMI_HWCS
 247         bool "BCM UMI NAND Hardware CS"
 248         depends on MTD_NAND_BCM_UMI
 249         help
 250           Enable the use of the BCM UMI block's internal CS using NAND.
 251           This should only be used if you know the external NAND CS can toggle.
 252
 253 config MTD_NAND_DISKONCHIP
 254         tristate "DiskOnChip 2000, Millennium and Millennium Plus (NAND reimplementation) (EXPERIMENTAL)"
 255         depends on EXPERIMENTAL
 256         select REED_SOLOMON
 257         select REED_SOLOMON_DEC16
 258         help
 259           This is a reimplementation of M-Systems DiskOnChip 2000,
 260           Millennium and Millennium Plus as a standard NAND device driver,
 261           as opposed to the earlier self-contained MTD device drivers.
 262           This should enable, among other things, proper JFFS2 operation on
 263           these devices.
 264
 265 config MTD_NAND_DISKONCHIP_PROBE_ADVANCED
 266         bool "Advanced detection options for DiskOnChip"
 267         depends on MTD_NAND_DISKONCHIP
 268         help
 269           This option allows you to specify nonstandard address at which to
 270           probe for a DiskOnChip, or to change the detection options.  You
 271           are unlikely to need any of this unless you are using LinuxBIOS.
 272           Say 'N'.
 273
 274 config MTD_NAND_DISKONCHIP_PROBE_ADDRESS
 275         hex "Physical address of DiskOnChip" if MTD_NAND_DISKONCHIP_PROBE_ADVANCED
 276         depends on MTD_NAND_DISKONCHIP
 277         default "0"
 278         ---help---
 279         By default, the probe for DiskOnChip devices will look for a
 280         DiskOnChip at every multiple of 0x2000 between 0xC8000 and 0xEE000.
 281         This option allows you to specify a single address at which to probe
 282         for the device, which is useful if you have other devices in that
 283         range which get upset when they are probed.
 284
 285         (Note that on PowerPC, the normal probe will only check at
 286         0xE4000000.)
 287
 288         Normally, you should leave this set to zero, to allow the probe at
 289         the normal addresses.
 290
 291 config MTD_NAND_DISKONCHIP_PROBE_HIGH
 292         bool "Probe high addresses"
 293         depends on MTD_NAND_DISKONCHIP_PROBE_ADVANCED
 294         help
 295           By default, the probe for DiskOnChip devices will look for a
 296           DiskOnChip at every multiple of 0x2000 between 0xC8000 and 0xEE000.
 297           This option changes to make it probe between 0xFFFC8000 and
 298           0xFFFEE000.  Unless you are using LinuxBIOS, this is unlikely to be
 299           useful to you.  Say 'N'.
 300
 301 config MTD_NAND_DISKONCHIP_BBTWRITE
 302         bool "Allow BBT writes on DiskOnChip Millennium and 2000TSOP"
 303         depends on MTD_NAND_DISKONCHIP
 304         help
 305           On DiskOnChip devices shipped with the INFTL filesystem (Millennium
 306           and 2000 TSOP/Alon), Linux reserves some space at the end of the
 307           device for the Bad Block Table (BBT).  If you have existing INFTL
 308           data on your device (created by non-Linux tools such as M-Systems'
 309           DOS drivers), your data might overlap the area Linux wants to use for
 310           the BBT.  If this is a concern for you, leave this option disabled and
 311           Linux will not write BBT data into this area.
 312           The downside of leaving this option disabled is that if bad blocks
 313           are detected by Linux, they will not be recorded in the BBT, which
 314           could cause future problems.
 315           Once you enable this option, new filesystems (INFTL or others, created
 316           in Linux or other operating systems) will not use the reserved area.
 317           The only reason not to enable this option is to prevent damage to
 318           preexisting filesystems.
 319           Even if you leave this disabled, you can enable BBT writes at module
 320           load time (assuming you build diskonchip as a module) with the module
 321           parameter "inftl_bbt_write=1".
 322
 323 config MTD_NAND_SHARPSL
 324         tristate "Support for NAND Flash on Sharp SL Series (C7xx + others)"
 325         depends on ARCH_PXA
 326
 327 config MTD_NAND_CAFE
 328         tristate "NAND support for OLPC CAFÉ chip"
 329         depends on PCI
 330         select REED_SOLOMON
 331         select REED_SOLOMON_DEC16
 332         help
 333           Use NAND flash attached to the CAFÉ chip designed for the OLPC
 334           laptop.
 335
 336 config MTD_NAND_CS553X
 337         tristate "NAND support for CS5535/CS5536 (AMD Geode companion chip)"
 338         depends on X86_32
 339         help
 340           The CS553x companion chips for the AMD Geode processor
 341           include NAND flash controllers with built-in hardware ECC
 342           capabilities; enabling this option will allow you to use
 343           these. The driver will check the MSRs to verify that the
 344           controller is enabled for NAND, and currently requires that
 345           the controller be in MMIO mode.
 346
 347           If you say "m", the module will be called cs553x_nand.
 348
 349 config MTD_NAND_ATMEL
 350         tristate "Support for NAND Flash / SmartMedia on AT91 and AVR32"
 351         depends on ARCH_AT91 || AVR32
 352         help
 353           Enables support for NAND Flash / Smart Media Card interface
 354           on Atmel AT91 and AVR32 processors.
 355 choice
 356         prompt "ECC management for NAND Flash / SmartMedia on AT91 / AVR32"
 357         depends on MTD_NAND_ATMEL
 358
 359 config MTD_NAND_ATMEL_ECC_HW
 360         bool "Hardware ECC"
 361         depends on ARCH_AT91SAM9263 || ARCH_AT91SAM9260 || AVR32
 362         help
 363           Use hardware ECC instead of software ECC when the chip
 364           supports it.
 365
 366           The hardware ECC controller is capable of single bit error
 367           correction and 2-bit random detection per page.
 368
 369           NB : hardware and software ECC schemes are incompatible.
 370           If you switch from one to another, you'll have to erase your
 371           mtd partition.
 372
 373           If unsure, say Y
 374
 375 config MTD_NAND_ATMEL_ECC_SOFT
 376         bool "Software ECC"
 377         help
 378           Use software ECC.
 379
 380           NB : hardware and software ECC schemes are incompatible.
 381           If you switch from one to another, you'll have to erase your
 382           mtd partition.
 383
 384 config MTD_NAND_ATMEL_ECC_NONE
 385         bool "No ECC (testing only, DANGEROUS)"
 386         depends on DEBUG_KERNEL
 387         help
 388           No ECC will be used.
 389           It's not a good idea and it should be reserved for testing
 390           purpose only.
 391
 392           If unsure, say N
 393
 394 endchoice
 395
 396 config MTD_NAND_PXA3xx
 397         tristate "Support for NAND flash devices on PXA3xx"
 398         depends on PXA3xx || ARCH_MMP
 399         help
 400           This enables the driver for the NAND flash device found on
 401           PXA3xx processors
 402
 403 config MTD_NAND_CM_X270
 404         tristate "Support for NAND Flash on CM-X270 modules"
 405         depends on MACH_ARMCORE
 406
 407 config MTD_NAND_PASEMI
 408         tristate "NAND support for PA Semi PWRficient"
 409         depends on PPC_PASEMI
 410         help
 411           Enables support for NAND Flash interface on PA Semi PWRficient
 412           based boards
 413
 414 config MTD_NAND_TMIO
 415         tristate "NAND Flash device on Toshiba Mobile IO Controller"
 416         depends on MFD_TMIO
 417         help
 418           Support for NAND flash connected to a Toshiba Mobile IO
 419           Controller in some PDAs, including the Sharp SL6000x.
 420
 421 config MTD_NAND_NANDSIM
 422         tristate "Support for NAND Flash Simulator"
 423         depends on MTD_PARTITIONS
 424         help
 425           The simulator may simulate various NAND flash chips for the
 426           MTD nand layer.
 427
 428 config MTD_NAND_PLATFORM
 429         tristate "Support for generic platform NAND driver"
 430         help
 431           This implements a generic NAND driver for on-SOC platform
 432           devices. You will need to provide platform-specific functions
 433           via platform_data.
 434
 435 config MTD_ALAUDA
 436         tristate "MTD driver for Olympus MAUSB-10 and Fujifilm DPC-R1"
 437         depends on USB
 438         help
 439           These two (and possibly other) Alauda-based cardreaders for
 440           SmartMedia and xD allow raw flash access.
 441
 442 config MTD_NAND_ORION
 443         tristate "NAND Flash support for Marvell Orion SoC"
 444         depends on PLAT_ORION
 445         help
 446           This enables the NAND flash controller on Orion machines.
 447
 448           No board specific support is done by this driver, each board
 449           must advertise a platform_device for the driver to attach.
 450
 451 config MTD_NAND_FSL_ELBC
 452         tristate "NAND support for Freescale eLBC controllers"
 453         depends on PPC_OF
 454         select FSL_LBC
 455         help
 456           Various Freescale chips, including the 8313, include a NAND Flash
 457           Controller Module with built-in hardware ECC capabilities.
 458           Enabling this option will enable you to use this to control
 459           external NAND devices.
 460
 461 config MTD_NAND_FSL_UPM
 462         tristate "Support for NAND on Freescale UPM"
 463         depends on PPC_83xx || PPC_85xx
 464         select FSL_LBC
 465         help
 466           Enables support for NAND Flash chips wired onto Freescale PowerPC
 467           processor localbus with User-Programmable Machine support.
 468
 469 config MTD_NAND_MPC5121_NFC
 470         tristate "MPC5121 built-in NAND Flash Controller support"
 471         depends on PPC_MPC512x
 472         help
 473           This enables the driver for the NAND flash controller on the
 474           MPC5121 SoC.
 475
 476 config MTD_NAND_MXC
 477         tristate "MXC NAND support"
 478         depends on ARCH_MX2 || ARCH_MX25 || ARCH_MX3 || ARCH_MX51
 479         help
 480           This enables the driver for the NAND flash controller on the
 481           MXC processors.
 482
 483 config MTD_NAND_NOMADIK
 484         tristate "ST Nomadik 8815 NAND support"
 485         depends on ARCH_NOMADIK
 486         help
 487           Driver for the NAND flash controller on the Nomadik, with ECC.
 488
 489 config MTD_NAND_SH_FLCTL
 490         tristate "Support for NAND on Renesas SuperH FLCTL"
 491         depends on SUPERH || ARCH_SHMOBILE
 492         help
 493           Several Renesas SuperH CPU has FLCTL. This option enables support
 494           for NAND Flash using FLCTL.
 495
 496 config MTD_NAND_DAVINCI
 497         tristate "Support NAND on DaVinci SoC"
 498         depends on ARCH_DAVINCI
 499         help
 500           Enable the driver for NAND flash chips on Texas Instruments
 501           DaVinci processors.
 502
 503 config MTD_NAND_TXX9NDFMC
 504         tristate "NAND Flash support for TXx9 SoC"
 505         depends on SOC_TX4938 || SOC_TX4939
 506         help
 507           This enables the NAND flash controller on the TXx9 SoCs.
 508
 509 config MTD_NAND_SOCRATES
 510         tristate "Support for NAND on Socrates board"
 511         depends on SOCRATES
 512         help
 513           Enables support for NAND Flash chips wired onto Socrates board.
 514
 515 config MTD_NAND_NUC900
 516         tristate "Support for NAND on Nuvoton NUC9xx/w90p910 evaluation boards."
 517         depends on ARCH_W90X900 && MTD_PARTITIONS
 518         help
 519           This enables the driver for the NAND Flash on evaluation board based
 520           on w90p910 / NUC9xx.
 521
 522 config MTD_NAND_JZ4740
 523         tristate "Support for JZ4740 SoC NAND controller"
 524         depends on MACH_JZ4740
 525         help
 526                 Enables support for NAND Flash on JZ4740 SoC based boards.
 527
 528 config MTD_NAND_FSMC
 529         tristate "Support for NAND on ST Micros FSMC"
 530         depends on PLAT_SPEAR || PLAT_NOMADIK || MACH_U300
 531         help
 532           Enables support for NAND Flash chips on the ST Microelectronics
 533           Flexible Static Memory Controller (FSMC)
 534
 535 endif # MTD_NAND