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