drivers/mtd/nand/Kconfig

   1 menuconfig MTD_NAND
   2         tristate "NAND Device Support"
   3         depends on MTD
   4         select MTD_NAND_IDS
   5         help
   6           This enables support for accessing all type of NAND flash
   7           devices. For further information see
   8           <http://www.linux-mtd.infradead.org/doc/nand.html>.
   9
  10 if MTD_NAND
  11
  12 config MTD_NAND_VERIFY_WRITE
  13         bool "Verify NAND page writes"
  14         help
  15           This adds an extra check when data is written to the flash. The
  16           NAND flash device internally checks only bits transitioning
  17           from 1 to 0. There is a rare possibility that even though the
  18           device thinks the write was successful, a bit could have been
  19           flipped accidentally due to device wear or something else.
  20
  21 config MTD_NAND_ECC_SMC
  22         bool "NAND ECC Smart Media byte order"
  23         default n
  24         help
  25           Software ECC according to the Smart Media Specification.
  26           The original Linux implementation had byte 0 and 1 swapped.
  27
  28 config MTD_SM_COMMON
  29         tristate
  30         default n
  31
  32 config MTD_NAND_MUSEUM_IDS
  33         bool "Enable chip ids for obsolete ancient NAND devices"
  34         depends on MTD_NAND
  35         default n
  36         help
  37           Enable this option only when your board has first generation
  38           NAND chips (page size 256 byte, erase size 4-8KiB). The IDs
  39           of these chips were reused by later, larger chips.
  40
  41 config MTD_NAND_AUTCPU12
  42         tristate "SmartMediaCard on autronix autcpu12 board"
  43         depends on ARCH_AUTCPU12
  44         help
  45           This enables the driver for the autronix autcpu12 board to
  46           access the SmartMediaCard.
  47
  48 config MTD_NAND_EDB7312
  49         tristate "Support for Cirrus Logic EBD7312 evaluation board"
  50         depends on ARCH_EDB7312
  51         help
  52           This enables the driver for the Cirrus Logic EBD7312 evaluation
  53           board to access the onboard NAND Flash.
  54
  55 config MTD_NAND_H1900
  56         tristate "iPAQ H1900 flash"
  57         depends on ARCH_PXA && MTD_PARTITIONS
  58         help
  59           This enables the driver for the iPAQ h1900 flash.
  60
  61 config MTD_NAND_GPIO
  62         tristate "GPIO NAND Flash driver"
  63         depends on GENERIC_GPIO && ARM
  64         help
  65           This enables a GPIO based NAND flash driver.
  66
  67 config MTD_NAND_SPIA
  68         tristate "NAND Flash device on SPIA board"
  69         depends on ARCH_P720T
  70         help
  71           If you had to ask, you don't have one. Say 'N'.
  72
  73 config MTD_NAND_AMS_DELTA
  74         tristate "NAND Flash device on Amstrad E3"
  75         depends on MACH_AMS_DELTA
  76         help
  77           Support for NAND flash on Amstrad E3 (Delta).
  78
  79 config MTD_NAND_OMAP2
  80         tristate "NAND Flash device on OMAP2 and OMAP3"
  81         depends on ARM && MTD_NAND && (ARCH_OMAP2 || ARCH_OMAP3)
  82         help
  83           Support for NAND flash on Texas Instruments OMAP2 and OMAP3 platforms.
  84
  85 config MTD_NAND_OMAP_PREFETCH
  86         bool "GPMC prefetch support for NAND Flash device"
  87         depends on MTD_NAND && MTD_NAND_OMAP2
  88         default y
  89         help
  90          The NAND device can be accessed for Read/Write using GPMC PREFETCH engine
  91          to improve the performance.
  92
  93 config MTD_NAND_OMAP_PREFETCH_DMA
  94         depends on MTD_NAND_OMAP_PREFETCH
  95         bool "DMA mode"
  96         default n
  97         help
  98          The GPMC PREFETCH engine can be configured eigther in MPU interrupt mode
  99          or in DMA interrupt mode.
 100          Say y for DMA mode or MPU mode will be used
 101
 102 config MTD_NAND_IDS
 103         tristate
 104
 105 config MTD_NAND_RICOH
 106         tristate "Ricoh xD card reader"
 107         default n
 108         depends on PCI
 109         select MTD_SM_COMMON
 110         help
 111           Enable support for Ricoh R5C852 xD card reader
 112           You also need to enable ether
 113           NAND SSFDC (SmartMedia) read only translation layer' or new
 114           expermental, readwrite
 115           'SmartMedia/xD new translation layer'
 116
 117 config MTD_NAND_AU1550
 118         tristate "Au1550/1200 NAND support"
 119         depends on SOC_AU1200 || SOC_AU1550
 120         help
 121           This enables the driver for the NAND flash controller on the
 122           AMD/Alchemy 1550 SOC.
 123
 124 config MTD_NAND_BF5XX
 125         tristate "Blackfin on-chip NAND Flash Controller driver"
 126         depends on (BF54x || BF52x) && MTD_NAND
 127         help
 128           This enables the Blackfin on-chip NAND flash controller
 129
 130           No board specific support is done by this driver, each board
 131           must advertise a platform_device for the driver to attach.
 132
 133           This driver can also be built as a module. If so, the module
 134           will be called bf5xx-nand.
 135
 136 config MTD_NAND_BF5XX_HWECC
 137         bool "BF5XX NAND Hardware ECC"
 138         default y
 139         depends on MTD_NAND_BF5XX
 140         help
 141           Enable the use of the BF5XX's internal ECC generator when
 142           using NAND.
 143
 144 config MTD_NAND_BF5XX_BOOTROM_ECC
 145         bool "Use Blackfin BootROM ECC Layout"
 146         default n
 147         depends on MTD_NAND_BF5XX_HWECC
 148         help
 149           If you wish to modify NAND pages and allow the Blackfin on-chip
 150           BootROM to boot from them, say Y here.  This is only necessary
 151           if you are booting U-Boot out of NAND and you wish to update
 152           U-Boot from Linux' userspace.  Otherwise, you should say N here.
 153
 154           If unsure, say N.
 155
 156 config MTD_NAND_RTC_FROM4
 157         tristate "Renesas Flash ROM 4-slot interface board (FROM_BOARD4)"
 158         depends on SH_SOLUTION_ENGINE
 159         select REED_SOLOMON
 160         select REED_SOLOMON_DEC8
 161         select BITREVERSE
 162         help
 163           This enables the driver for the Renesas Technology AG-AND
 164           flash interface board (FROM_BOARD4)
 165
 166 config MTD_NAND_PPCHAMELEONEVB
 167         tristate "NAND Flash device on PPChameleonEVB board"
 168         depends on PPCHAMELEONEVB && BROKEN
 169         help
 170           This enables the NAND flash driver on the PPChameleon EVB Board.
 171
 172 config MTD_NAND_S3C2410
 173         tristate "NAND Flash support for Samsung S3C SoCs"
 174         depends on ARCH_S3C2410 || ARCH_S3C64XX
 175         help
 176           This enables the NAND flash controller on the S3C24xx and S3C64xx
 177           SoCs
 178
 179           No board specific support is done by this driver, each board
 180           must advertise a platform_device for the driver to attach.
 181
 182 config MTD_NAND_S3C2410_DEBUG
 183         bool "Samsung S3C NAND driver debug"
 184         depends on MTD_NAND_S3C2410
 185         help
 186           Enable debugging of the S3C NAND driver
 187
 188 config MTD_NAND_S3C2410_HWECC
 189         bool "Samsung S3C NAND Hardware ECC"
 190         depends on MTD_NAND_S3C2410
 191         help
 192           Enable the use of the controller's internal ECC generator when
 193           using NAND. Early versions of the chips have had problems with
 194           incorrect ECC generation, and if using these, the default of
 195           software ECC is preferable.
 196
 197 config MTD_NAND_NDFC
 198         tristate "NDFC NanD Flash Controller"
 199         depends on 4xx
 200         select MTD_NAND_ECC_SMC
 201         help
 202          NDFC Nand Flash Controllers are integrated in IBM/AMCC's 4xx SoCs
 203
 204 config MTD_NAND_S3C2410_CLKSTOP
 205         bool "Samsung S3C NAND IDLE clock stop"
 206         depends on MTD_NAND_S3C2410
 207         default n
 208         help
 209           Stop the clock to the NAND controller when there is no chip
 210           selected to save power. This will mean there is a small delay
 211           when the is NAND chip selected or released, but will save
 212           approximately 5mA of power when there is nothing happening.
 213
 214 config MTD_NAND_BCM_UMI
 215         tristate "NAND Flash support for BCM Reference Boards"
 216         depends on ARCH_BCMRING && MTD_NAND
 217         help
 218           This enables the NAND flash controller on the BCM UMI block.
 219
 220           No board specfic support is done by this driver, each board
 221           must advertise a platform_device for the driver to attach.
 222
 223 config MTD_NAND_BCM_UMI_HWCS
 224         bool "BCM UMI NAND Hardware CS"
 225         depends on MTD_NAND_BCM_UMI
 226         help
 227           Enable the use of the BCM UMI block's internal CS using NAND.
 228           This should only be used if you know the external NAND CS can toggle.
 229
 230 config MTD_NAND_DISKONCHIP
 231         tristate "DiskOnChip 2000, Millennium and Millennium Plus (NAND reimplementation) (EXPERIMENTAL)"
 232         depends on EXPERIMENTAL
 233         select REED_SOLOMON
 234         select REED_SOLOMON_DEC16
 235         help
 236           This is a reimplementation of M-Systems DiskOnChip 2000,
 237           Millennium and Millennium Plus as a standard NAND device driver,
 238           as opposed to the earlier self-contained MTD device drivers.
 239           This should enable, among other things, proper JFFS2 operation on
 240           these devices.
 241
 242 config MTD_NAND_DISKONCHIP_PROBE_ADVANCED
 243         bool "Advanced detection options for DiskOnChip"
 244         depends on MTD_NAND_DISKONCHIP
 245         help
 246           This option allows you to specify nonstandard address at which to
 247           probe for a DiskOnChip, or to change the detection options.  You
 248           are unlikely to need any of this unless you are using LinuxBIOS.
 249           Say 'N'.
 250
 251 config MTD_NAND_DISKONCHIP_PROBE_ADDRESS
 252         hex "Physical address of DiskOnChip" if MTD_NAND_DISKONCHIP_PROBE_ADVANCED
 253         depends on MTD_NAND_DISKONCHIP
 254         default "0"
 255         ---help---
 256         By default, the probe for DiskOnChip devices will look for a
 257         DiskOnChip at every multiple of 0x2000 between 0xC8000 and 0xEE000.
 258         This option allows you to specify a single address at which to probe
 259         for the device, which is useful if you have other devices in that
 260         range which get upset when they are probed.
 261
 262         (Note that on PowerPC, the normal probe will only check at
 263         0xE4000000.)
 264
 265         Normally, you should leave this set to zero, to allow the probe at
 266         the normal addresses.
 267
 268 config MTD_NAND_DISKONCHIP_PROBE_HIGH
 269         bool "Probe high addresses"
 270         depends on MTD_NAND_DISKONCHIP_PROBE_ADVANCED
 271         help
 272           By default, the probe for DiskOnChip devices will look for a
 273           DiskOnChip at every multiple of 0x2000 between 0xC8000 and 0xEE000.
 274           This option changes to make it probe between 0xFFFC8000 and
 275           0xFFFEE000.  Unless you are using LinuxBIOS, this is unlikely to be
 276           useful to you.  Say 'N'.
 277
 278 config MTD_NAND_DISKONCHIP_BBTWRITE
 279         bool "Allow BBT writes on DiskOnChip Millennium and 2000TSOP"
 280         depends on MTD_NAND_DISKONCHIP
 281         help
 282           On DiskOnChip devices shipped with the INFTL filesystem (Millennium
 283           and 2000 TSOP/Alon), Linux reserves some space at the end of the
 284           device for the Bad Block Table (BBT).  If you have existing INFTL
 285           data on your device (created by non-Linux tools such as M-Systems'
 286           DOS drivers), your data might overlap the area Linux wants to use for
 287           the BBT.  If this is a concern for you, leave this option disabled and
 288           Linux will not write BBT data into this area.
 289           The downside of leaving this option disabled is that if bad blocks
 290           are detected by Linux, they will not be recorded in the BBT, which
 291           could cause future problems.
 292           Once you enable this option, new filesystems (INFTL or others, created
 293           in Linux or other operating systems) will not use the reserved area.
 294           The only reason not to enable this option is to prevent damage to
 295           preexisting filesystems.
 296           Even if you leave this disabled, you can enable BBT writes at module
 297           load time (assuming you build diskonchip as a module) with the module
 298           parameter "inftl_bbt_write=1".
 299
 300 config MTD_NAND_SHARPSL
 301         tristate "Support for NAND Flash on Sharp SL Series (C7xx + others)"
 302         depends on ARCH_PXA
 303
 304 config MTD_NAND_CAFE
 305         tristate "NAND support for OLPC CAFÉ chip"
 306         depends on PCI
 307         select REED_SOLOMON
 308         select REED_SOLOMON_DEC16
 309         help
 310           Use NAND flash attached to the CAFÉ chip designed for the OLPC
 311           laptop.
 312
 313 config MTD_NAND_CS553X
 314         tristate "NAND support for CS5535/CS5536 (AMD Geode companion chip)"
 315         depends on X86_32
 316         help
 317           The CS553x companion chips for the AMD Geode processor
 318           include NAND flash controllers with built-in hardware ECC
 319           capabilities; enabling this option will allow you to use
 320           these. The driver will check the MSRs to verify that the
 321           controller is enabled for NAND, and currently requires that
 322           the controller be in MMIO mode.
 323
 324           If you say "m", the module will be called cs553x_nand.
 325
 326 config MTD_NAND_ATMEL
 327         tristate "Support for NAND Flash / SmartMedia on AT91 and AVR32"
 328         depends on ARCH_AT91 || AVR32
 329         help
 330           Enables support for NAND Flash / Smart Media Card interface
 331           on Atmel AT91 and AVR32 processors.
 332 choice
 333         prompt "ECC management for NAND Flash / SmartMedia on AT91 / AVR32"
 334         depends on MTD_NAND_ATMEL
 335
 336 config MTD_NAND_ATMEL_ECC_HW
 337         bool "Hardware ECC"
 338         depends on ARCH_AT91SAM9263 || ARCH_AT91SAM9260 || AVR32
 339         help
 340           Use hardware ECC instead of software ECC when the chip
 341           supports it.
 342
 343           The hardware ECC controller is capable of single bit error
 344           correction and 2-bit random detection per page.
 345
 346           NB : hardware and software ECC schemes are incompatible.
 347           If you switch from one to another, you'll have to erase your
 348           mtd partition.
 349
 350           If unsure, say Y
 351
 352 config MTD_NAND_ATMEL_ECC_SOFT
 353         bool "Software ECC"
 354         help
 355           Use software ECC.
 356
 357           NB : hardware and software ECC schemes are incompatible.
 358           If you switch from one to another, you'll have to erase your
 359           mtd partition.
 360
 361 config MTD_NAND_ATMEL_ECC_NONE
 362         bool "No ECC (testing only, DANGEROUS)"
 363         depends on DEBUG_KERNEL
 364         help
 365           No ECC will be used.
 366           It's not a good idea and it should be reserved for testing
 367           purpose only.
 368
 369           If unsure, say N
 370
 371           endchoice
 372
 373 endchoice
 374
 375 config MTD_NAND_PXA3xx
 376         tristate "Support for NAND flash devices on PXA3xx"
 377         depends on MTD_NAND && (PXA3xx || ARCH_MMP)
 378         help
 379           This enables the driver for the NAND flash device found on
 380           PXA3xx processors
 381
 382 config MTD_NAND_PXA3xx_BUILTIN
 383         bool "Use builtin definitions for some NAND chips (deprecated)"
 384         depends on MTD_NAND_PXA3xx
 385         help
 386           This enables builtin definitions for some NAND chips. This
 387           is deprecated in favor of platform specific data.
 388
 389 config MTD_NAND_CM_X270
 390         tristate "Support for NAND Flash on CM-X270 modules"
 391         depends on MTD_NAND && MACH_ARMCORE
 392
 393 config MTD_NAND_PASEMI
 394         tristate "NAND support for PA Semi PWRficient"
 395         depends on MTD_NAND && PPC_PASEMI
 396         help
 397           Enables support for NAND Flash interface on PA Semi PWRficient
 398           based boards
 399
 400 config MTD_NAND_TMIO
 401         tristate "NAND Flash device on Toshiba Mobile IO Controller"
 402         depends on MTD_NAND && MFD_TMIO
 403         help
 404           Support for NAND flash connected to a Toshiba Mobile IO
 405           Controller in some PDAs, including the Sharp SL6000x.
 406
 407 config MTD_NAND_NANDSIM
 408         tristate "Support for NAND Flash Simulator"
 409         depends on MTD_PARTITIONS
 410         help
 411           The simulator may simulate various NAND flash chips for the
 412           MTD nand layer.
 413
 414 config MTD_NAND_PLATFORM
 415         tristate "Support for generic platform NAND driver"
 416         depends on MTD_NAND
 417         help
 418           This implements a generic NAND driver for on-SOC platform
 419           devices. You will need to provide platform-specific functions
 420           via platform_data.
 421
 422 config MTD_ALAUDA
 423         tristate "MTD driver for Olympus MAUSB-10 and Fujifilm DPC-R1"
 424         depends on MTD_NAND && USB
 425         help
 426           These two (and possibly other) Alauda-based cardreaders for
 427           SmartMedia and xD allow raw flash access.
 428
 429 config MTD_NAND_ORION
 430         tristate "NAND Flash support for Marvell Orion SoC"
 431         depends on PLAT_ORION && MTD_NAND
 432         help
 433           This enables the NAND flash controller on Orion machines.
 434
 435           No board specific support is done by this driver, each board
 436           must advertise a platform_device for the driver to attach.
 437
 438 config MTD_NAND_FSL_ELBC
 439         tristate "NAND support for Freescale eLBC controllers"
 440         depends on MTD_NAND && PPC_OF
 441         help
 442           Various Freescale chips, including the 8313, include a NAND Flash
 443           Controller Module with built-in hardware ECC capabilities.
 444           Enabling this option will enable you to use this to control
 445           external NAND devices.
 446
 447 config MTD_NAND_FSL_UPM
 448         tristate "Support for NAND on Freescale UPM"
 449         depends on MTD_NAND && (PPC_83xx || PPC_85xx)
 450         select FSL_LBC
 451         help
 452           Enables support for NAND Flash chips wired onto Freescale PowerPC
 453           processor localbus with User-Programmable Machine support.
 454
 455 config MTD_NAND_MPC5121_NFC
 456         tristate "MPC5121 built-in NAND Flash Controller support"
 457         depends on PPC_MPC512x
 458         help
 459           This enables the driver for the NAND flash controller on the
 460           MPC5121 SoC.
 461
 462 config MTD_NAND_MXC
 463         tristate "MXC NAND support"
 464         depends on ARCH_MX2 || ARCH_MX3
 465         help
 466           This enables the driver for the NAND flash controller on the
 467           MXC processors.
 468
 469 config MTD_NAND_NOMADIK
 470         tristate "ST Nomadik 8815 NAND support"
 471         depends on ARCH_NOMADIK
 472         help
 473           Driver for the NAND flash controller on the Nomadik, with ECC.
 474
 475 config MTD_NAND_SH_FLCTL
 476         tristate "Support for NAND on Renesas SuperH FLCTL"
 477         depends on MTD_NAND && SUPERH && CPU_SUBTYPE_SH7723
 478         help
 479           Several Renesas SuperH CPU has FLCTL. This option enables support
 480           for NAND Flash using FLCTL. This driver support SH7723.
 481
 482 config MTD_NAND_DAVINCI
 483         tristate "Support NAND on DaVinci SoC"
 484         depends on ARCH_DAVINCI
 485         help
 486           Enable the driver for NAND flash chips on Texas Instruments
 487           DaVinci processors.
 488
 489 config MTD_NAND_TXX9NDFMC
 490         tristate "NAND Flash support for TXx9 SoC"
 491         depends on SOC_TX4938 || SOC_TX4939
 492         help
 493           This enables the NAND flash controller on the TXx9 SoCs.
 494
 495 config MTD_NAND_SOCRATES
 496         tristate "Support for NAND on Socrates board"
 497         depends on MTD_NAND && SOCRATES
 498         help
 499           Enables support for NAND Flash chips wired onto Socrates board.
 500
 501 config MTD_NAND_NUC900
 502         tristate "Support for NAND on Nuvoton NUC9xx/w90p910 evaluation boards."
 503         depends on ARCH_W90X900 && MTD_PARTITIONS
 504         help
 505           This enables the driver for the NAND Flash on evaluation board based
 506           on w90p910 / NUC9xx.
 507
 508 endif # MTD_NAND