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