1config MTD_NAND_ECC 2 tristate 3 4config 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 13menuconfig MTD_NAND 14 tristate "Raw/Parallel NAND Device Support" 15 depends on MTD 16 select MTD_NAND_ECC 17 help 18 This enables support for accessing all type of raw/parallel 19 NAND flash devices. For further information see 20 <http://www.linux-mtd.infradead.org/doc/nand.html>. 21 22if MTD_NAND 23 24config MTD_NAND_BCH 25 tristate 26 select BCH 27 depends on MTD_NAND_ECC_BCH 28 default MTD_NAND 29 30config MTD_NAND_ECC_BCH 31 bool "Support software BCH ECC" 32 default n 33 help 34 This enables support for software BCH error correction. Binary BCH 35 codes are more powerful and cpu intensive than traditional Hamming 36 ECC codes. They are used with NAND devices requiring more than 1 bit 37 of error correction. 38 39config MTD_SM_COMMON 40 tristate 41 default n 42 43config MTD_NAND_DENALI 44 tristate 45 46config MTD_NAND_DENALI_PCI 47 tristate "Support Denali NAND controller on Intel Moorestown" 48 select MTD_NAND_DENALI 49 depends on PCI 50 help 51 Enable the driver for NAND flash on Intel Moorestown, using the 52 Denali NAND controller core. 53 54config MTD_NAND_DENALI_DT 55 tristate "Support Denali NAND controller as a DT device" 56 select MTD_NAND_DENALI 57 depends on HAS_DMA && HAVE_CLK && OF 58 help 59 Enable the driver for NAND flash on platforms using a Denali NAND 60 controller as a DT device. 61 62config MTD_NAND_GPIO 63 tristate "GPIO assisted NAND Flash driver" 64 depends on GPIOLIB || COMPILE_TEST 65 depends on HAS_IOMEM 66 help 67 This enables a NAND flash driver where control signals are 68 connected to GPIO pins, and commands and data are communicated 69 via a memory mapped interface. 70 71config MTD_NAND_AMS_DELTA 72 tristate "NAND Flash device on Amstrad E3" 73 depends on MACH_AMS_DELTA 74 default y 75 help 76 Support for NAND flash on Amstrad E3 (Delta). 77 78config MTD_NAND_OMAP2 79 tristate "NAND Flash device on OMAP2, OMAP3, OMAP4 and Keystone" 80 depends on ARCH_OMAP2PLUS || ARCH_KEYSTONE || COMPILE_TEST 81 depends on HAS_IOMEM 82 help 83 Support for NAND flash on Texas Instruments OMAP2, OMAP3, OMAP4 84 and Keystone platforms. 85 86config MTD_NAND_OMAP_BCH 87 depends on MTD_NAND_OMAP2 88 bool "Support hardware based BCH error correction" 89 default n 90 select BCH 91 help 92 This config enables the ELM hardware engine, which can be used to 93 locate and correct errors when using BCH ECC scheme. This offloads 94 the cpu from doing ECC error searching and correction. However some 95 legacy OMAP families like OMAP2xxx, OMAP3xxx do not have ELM engine 96 so this is optional for them. 97 98config MTD_NAND_OMAP_BCH_BUILD 99 def_tristate MTD_NAND_OMAP2 && MTD_NAND_OMAP_BCH 100 101config MTD_NAND_RICOH 102 tristate "Ricoh xD card reader" 103 default n 104 depends on PCI 105 select MTD_SM_COMMON 106 help 107 Enable support for Ricoh R5C852 xD card reader 108 You also need to enable ether 109 NAND SSFDC (SmartMedia) read only translation layer' or new 110 expermental, readwrite 111 'SmartMedia/xD new translation layer' 112 113config MTD_NAND_AU1550 114 tristate "Au1550/1200 NAND support" 115 depends on MIPS_ALCHEMY 116 help 117 This enables the driver for the NAND flash controller on the 118 AMD/Alchemy 1550 SOC. 119 120config MTD_NAND_S3C2410 121 tristate "NAND Flash support for Samsung S3C SoCs" 122 depends on ARCH_S3C24XX || ARCH_S3C64XX 123 help 124 This enables the NAND flash controller on the S3C24xx and S3C64xx 125 SoCs 126 127 No board specific support is done by this driver, each board 128 must advertise a platform_device for the driver to attach. 129 130config MTD_NAND_S3C2410_DEBUG 131 bool "Samsung S3C NAND driver debug" 132 depends on MTD_NAND_S3C2410 133 help 134 Enable debugging of the S3C NAND driver 135 136config MTD_NAND_NDFC 137 tristate "NDFC NanD Flash Controller" 138 depends on 4xx 139 select MTD_NAND_ECC_SMC 140 help 141 NDFC Nand Flash Controllers are integrated in IBM/AMCC's 4xx SoCs 142 143config MTD_NAND_S3C2410_CLKSTOP 144 bool "Samsung S3C NAND IDLE clock stop" 145 depends on MTD_NAND_S3C2410 146 default n 147 help 148 Stop the clock to the NAND controller when there is no chip 149 selected to save power. This will mean there is a small delay 150 when the is NAND chip selected or released, but will save 151 approximately 5mA of power when there is nothing happening. 152 153config MTD_NAND_TANGO 154 tristate "NAND Flash support for Tango chips" 155 depends on ARCH_TANGO || COMPILE_TEST 156 depends on HAS_IOMEM 157 help 158 Enables the NAND Flash controller on Tango chips. 159 160config MTD_NAND_DISKONCHIP 161 tristate "DiskOnChip 2000, Millennium and Millennium Plus (NAND reimplementation)" 162 depends on HAS_IOMEM 163 select REED_SOLOMON 164 select REED_SOLOMON_DEC16 165 help 166 This is a reimplementation of M-Systems DiskOnChip 2000, 167 Millennium and Millennium Plus as a standard NAND device driver, 168 as opposed to the earlier self-contained MTD device drivers. 169 This should enable, among other things, proper JFFS2 operation on 170 these devices. 171 172config MTD_NAND_DISKONCHIP_PROBE_ADVANCED 173 bool "Advanced detection options for DiskOnChip" 174 depends on MTD_NAND_DISKONCHIP 175 help 176 This option allows you to specify nonstandard address at which to 177 probe for a DiskOnChip, or to change the detection options. You 178 are unlikely to need any of this unless you are using LinuxBIOS. 179 Say 'N'. 180 181config MTD_NAND_DISKONCHIP_PROBE_ADDRESS 182 hex "Physical address of DiskOnChip" if MTD_NAND_DISKONCHIP_PROBE_ADVANCED 183 depends on MTD_NAND_DISKONCHIP 184 default "0" 185 help 186 By default, the probe for DiskOnChip devices will look for a 187 DiskOnChip at every multiple of 0x2000 between 0xC8000 and 0xEE000. 188 This option allows you to specify a single address at which to probe 189 for the device, which is useful if you have other devices in that 190 range which get upset when they are probed. 191 192 (Note that on PowerPC, the normal probe will only check at 193 0xE4000000.) 194 195 Normally, you should leave this set to zero, to allow the probe at 196 the normal addresses. 197 198config MTD_NAND_DISKONCHIP_PROBE_HIGH 199 bool "Probe high addresses" 200 depends on MTD_NAND_DISKONCHIP_PROBE_ADVANCED 201 help 202 By default, the probe for DiskOnChip devices will look for a 203 DiskOnChip at every multiple of 0x2000 between 0xC8000 and 0xEE000. 204 This option changes to make it probe between 0xFFFC8000 and 205 0xFFFEE000. Unless you are using LinuxBIOS, this is unlikely to be 206 useful to you. Say 'N'. 207 208config MTD_NAND_DISKONCHIP_BBTWRITE 209 bool "Allow BBT writes on DiskOnChip Millennium and 2000TSOP" 210 depends on MTD_NAND_DISKONCHIP 211 help 212 On DiskOnChip devices shipped with the INFTL filesystem (Millennium 213 and 2000 TSOP/Alon), Linux reserves some space at the end of the 214 device for the Bad Block Table (BBT). If you have existing INFTL 215 data on your device (created by non-Linux tools such as M-Systems' 216 DOS drivers), your data might overlap the area Linux wants to use for 217 the BBT. If this is a concern for you, leave this option disabled and 218 Linux will not write BBT data into this area. 219 The downside of leaving this option disabled is that if bad blocks 220 are detected by Linux, they will not be recorded in the BBT, which 221 could cause future problems. 222 Once you enable this option, new filesystems (INFTL or others, created 223 in Linux or other operating systems) will not use the reserved area. 224 The only reason not to enable this option is to prevent damage to 225 preexisting filesystems. 226 Even if you leave this disabled, you can enable BBT writes at module 227 load time (assuming you build diskonchip as a module) with the module 228 parameter "inftl_bbt_write=1". 229 230config MTD_NAND_DOCG4 231 tristate "Support for DiskOnChip G4" 232 depends on HAS_IOMEM 233 select BCH 234 select BITREVERSE 235 help 236 Support for diskonchip G4 nand flash, found in various smartphones and 237 PDAs, among them the Palm Treo680, HTC Prophet and Wizard, Toshiba 238 Portege G900, Asus P526, and O2 XDA Zinc. 239 240 With this driver you will be able to use UBI and create a ubifs on the 241 device, so you may wish to consider enabling UBI and UBIFS as well. 242 243 These devices ship with the Mys/Sandisk SAFTL formatting, for which 244 there is currently no mtd parser, so you may want to use command line 245 partitioning to segregate write-protected blocks. On the Treo680, the 246 first five erase blocks (256KiB each) are write-protected, followed 247 by the block containing the saftl partition table. This is probably 248 typical. 249 250config MTD_NAND_SHARPSL 251 tristate "Support for NAND Flash on Sharp SL Series (C7xx + others)" 252 depends on ARCH_PXA || COMPILE_TEST 253 depends on HAS_IOMEM 254 255config MTD_NAND_CAFE 256 tristate "NAND support for OLPC CAFÉ chip" 257 depends on PCI 258 select REED_SOLOMON 259 select REED_SOLOMON_DEC16 260 help 261 Use NAND flash attached to the CAFÉ chip designed for the OLPC 262 laptop. 263 264config MTD_NAND_CS553X 265 tristate "NAND support for CS5535/CS5536 (AMD Geode companion chip)" 266 depends on X86_32 267 depends on !UML && HAS_IOMEM 268 help 269 The CS553x companion chips for the AMD Geode processor 270 include NAND flash controllers with built-in hardware ECC 271 capabilities; enabling this option will allow you to use 272 these. The driver will check the MSRs to verify that the 273 controller is enabled for NAND, and currently requires that 274 the controller be in MMIO mode. 275 276 If you say "m", the module will be called cs553x_nand. 277 278config MTD_NAND_ATMEL 279 tristate "Support for NAND Flash / SmartMedia on AT91" 280 depends on ARCH_AT91 || COMPILE_TEST 281 depends on HAS_IOMEM 282 select GENERIC_ALLOCATOR 283 select MFD_ATMEL_SMC 284 help 285 Enables support for NAND Flash / Smart Media Card interface 286 on Atmel AT91 processors. 287 288config MTD_NAND_MARVELL 289 tristate "NAND controller support on Marvell boards" 290 depends on PXA3xx || ARCH_MMP || PLAT_ORION || ARCH_MVEBU || \ 291 COMPILE_TEST 292 depends on HAS_IOMEM 293 help 294 This enables the NAND flash controller driver for Marvell boards, 295 including: 296 - PXA3xx processors (NFCv1) 297 - 32-bit Armada platforms (XP, 37x, 38x, 39x) (NFCv2) 298 - 64-bit Aramda platforms (7k, 8k) (NFCv2) 299 300config MTD_NAND_SLC_LPC32XX 301 tristate "NXP LPC32xx SLC Controller" 302 depends on ARCH_LPC32XX || COMPILE_TEST 303 depends on HAS_IOMEM 304 help 305 Enables support for NXP's LPC32XX SLC (i.e. for Single Level Cell 306 chips) NAND controller. This is the default for the PHYTEC 3250 307 reference board which contains a NAND256R3A2CZA6 chip. 308 309 Please check the actual NAND chip connected and its support 310 by the SLC NAND controller. 311 312config MTD_NAND_MLC_LPC32XX 313 tristate "NXP LPC32xx MLC Controller" 314 depends on ARCH_LPC32XX || COMPILE_TEST 315 depends on HAS_IOMEM 316 help 317 Uses the LPC32XX MLC (i.e. for Multi Level Cell chips) NAND 318 controller. This is the default for the WORK92105 controller 319 board. 320 321 Please check the actual NAND chip connected and its support 322 by the MLC NAND controller. 323 324config MTD_NAND_CM_X270 325 tristate "Support for NAND Flash on CM-X270 modules" 326 depends on MACH_ARMCORE 327 328config MTD_NAND_PASEMI 329 tristate "NAND support for PA Semi PWRficient" 330 depends on PPC_PASEMI 331 help 332 Enables support for NAND Flash interface on PA Semi PWRficient 333 based boards 334 335config MTD_NAND_TMIO 336 tristate "NAND Flash device on Toshiba Mobile IO Controller" 337 depends on MFD_TMIO 338 help 339 Support for NAND flash connected to a Toshiba Mobile IO 340 Controller in some PDAs, including the Sharp SL6000x. 341 342config MTD_NAND_NANDSIM 343 tristate "Support for NAND Flash Simulator" 344 help 345 The simulator may simulate various NAND flash chips for the 346 MTD nand layer. 347 348config MTD_NAND_GPMI_NAND 349 tristate "GPMI NAND Flash Controller driver" 350 depends on MXS_DMA 351 help 352 Enables NAND Flash support for IMX23, IMX28 or IMX6. 353 The GPMI controller is very powerful, with the help of BCH 354 module, it can do the hardware ECC. The GPMI supports several 355 NAND flashs at the same time. 356 357config MTD_NAND_BRCMNAND 358 tristate "Broadcom STB NAND controller" 359 depends on ARM || ARM64 || MIPS || COMPILE_TEST 360 depends on HAS_IOMEM 361 help 362 Enables the Broadcom NAND controller driver. The controller was 363 originally designed for Set-Top Box but is used on various BCM7xxx, 364 BCM3xxx, BCM63xxx, iProc/Cygnus and more. 365 366config MTD_NAND_BCM47XXNFLASH 367 tristate "Support for NAND flash on BCM4706 BCMA bus" 368 depends on BCMA_NFLASH 369 depends on BCMA 370 help 371 BCMA bus can have various flash memories attached, they are 372 registered by bcma as platform devices. This enables driver for 373 NAND flash memories. For now only BCM4706 is supported. 374 375config MTD_NAND_PLATFORM 376 tristate "Support for generic platform NAND driver" 377 depends on HAS_IOMEM 378 help 379 This implements a generic NAND driver for on-SOC platform 380 devices. You will need to provide platform-specific functions 381 via platform_data. 382 383config MTD_NAND_ORION 384 tristate "NAND Flash support for Marvell Orion SoC" 385 depends on PLAT_ORION 386 help 387 This enables the NAND flash controller on Orion machines. 388 389 No board specific support is done by this driver, each board 390 must advertise a platform_device for the driver to attach. 391 392config MTD_NAND_OXNAS 393 tristate "NAND Flash support for Oxford Semiconductor SoC" 394 depends on ARCH_OXNAS || COMPILE_TEST 395 depends on HAS_IOMEM 396 help 397 This enables the NAND flash controller on Oxford Semiconductor SoCs. 398 399config MTD_NAND_FSL_ELBC 400 tristate "NAND support for Freescale eLBC controllers" 401 depends on FSL_SOC 402 select FSL_LBC 403 help 404 Various Freescale chips, including the 8313, include a NAND Flash 405 Controller Module with built-in hardware ECC capabilities. 406 Enabling this option will enable you to use this to control 407 external NAND devices. 408 409config MTD_NAND_FSL_IFC 410 tristate "NAND support for Freescale IFC controller" 411 depends on FSL_SOC || ARCH_LAYERSCAPE || SOC_LS1021A || COMPILE_TEST 412 depends on HAS_IOMEM 413 select FSL_IFC 414 select MEMORY 415 help 416 Various Freescale chips e.g P1010, include a NAND Flash machine 417 with built-in hardware ECC capabilities. 418 Enabling this option will enable you to use this to control 419 external NAND devices. 420 421config MTD_NAND_FSL_UPM 422 tristate "Support for NAND on Freescale UPM" 423 depends on PPC_83xx || PPC_85xx 424 select FSL_LBC 425 help 426 Enables support for NAND Flash chips wired onto Freescale PowerPC 427 processor localbus with User-Programmable Machine support. 428 429config MTD_NAND_MPC5121_NFC 430 tristate "MPC5121 built-in NAND Flash Controller support" 431 depends on PPC_MPC512x 432 help 433 This enables the driver for the NAND flash controller on the 434 MPC5121 SoC. 435 436config MTD_NAND_VF610_NFC 437 tristate "Support for Freescale NFC for VF610/MPC5125" 438 depends on (SOC_VF610 || COMPILE_TEST) 439 depends on HAS_IOMEM 440 help 441 Enables support for NAND Flash Controller on some Freescale 442 processors like the VF610, MPC5125, MCF54418 or Kinetis K70. 443 The driver supports a maximum 2k page size. With 2k pages and 444 64 bytes or more of OOB, hardware ECC with up to 32-bit error 445 correction is supported. Hardware ECC is only enabled through 446 device tree. 447 448config MTD_NAND_MXC 449 tristate "MXC NAND support" 450 depends on ARCH_MXC || COMPILE_TEST 451 depends on HAS_IOMEM 452 help 453 This enables the driver for the NAND flash controller on the 454 MXC processors. 455 456config MTD_NAND_SH_FLCTL 457 tristate "Support for NAND on Renesas SuperH FLCTL" 458 depends on SUPERH || COMPILE_TEST 459 depends on HAS_IOMEM 460 help 461 Several Renesas SuperH CPU has FLCTL. This option enables support 462 for NAND Flash using FLCTL. 463 464config MTD_NAND_DAVINCI 465 tristate "Support NAND on DaVinci/Keystone SoC" 466 depends on ARCH_DAVINCI || (ARCH_KEYSTONE && TI_AEMIF) || COMPILE_TEST 467 depends on HAS_IOMEM 468 help 469 Enable the driver for NAND flash chips on Texas Instruments 470 DaVinci/Keystone processors. 471 472config MTD_NAND_TXX9NDFMC 473 tristate "NAND Flash support for TXx9 SoC" 474 depends on SOC_TX4938 || SOC_TX4939 || COMPILE_TEST 475 depends on HAS_IOMEM 476 help 477 This enables the NAND flash controller on the TXx9 SoCs. 478 479config MTD_NAND_SOCRATES 480 tristate "Support for NAND on Socrates board" 481 depends on SOCRATES 482 help 483 Enables support for NAND Flash chips wired onto Socrates board. 484 485config MTD_NAND_NUC900 486 tristate "Support for NAND on Nuvoton NUC9xx/w90p910 evaluation boards." 487 depends on ARCH_W90X900 || COMPILE_TEST 488 depends on HAS_IOMEM 489 help 490 This enables the driver for the NAND Flash on evaluation board based 491 on w90p910 / NUC9xx. 492 493config MTD_NAND_JZ4740 494 tristate "Support for JZ4740 SoC NAND controller" 495 depends on MACH_JZ4740 || COMPILE_TEST 496 depends on HAS_IOMEM 497 help 498 Enables support for NAND Flash on JZ4740 SoC based boards. 499 500config MTD_NAND_JZ4780 501 tristate "Support for NAND on JZ4780 SoC" 502 depends on JZ4780_NEMC 503 help 504 Enables support for NAND Flash connected to the NEMC on JZ4780 SoC 505 based boards, using the BCH controller for hardware error correction. 506 507config MTD_NAND_FSMC 508 tristate "Support for NAND on ST Micros FSMC" 509 depends on OF && HAS_IOMEM 510 depends on PLAT_SPEAR || ARCH_NOMADIK || ARCH_U8500 || MACH_U300 || \ 511 COMPILE_TEST 512 help 513 Enables support for NAND Flash chips on the ST Microelectronics 514 Flexible Static Memory Controller (FSMC) 515 516config MTD_NAND_XWAY 517 bool "Support for NAND on Lantiq XWAY SoC" 518 depends on LANTIQ && SOC_TYPE_XWAY 519 help 520 Enables support for NAND Flash chips on Lantiq XWAY SoCs. NAND is attached 521 to the External Bus Unit (EBU). 522 523config MTD_NAND_SUNXI 524 tristate "Support for NAND on Allwinner SoCs" 525 depends on ARCH_SUNXI || COMPILE_TEST 526 depends on HAS_IOMEM 527 help 528 Enables support for NAND Flash chips on Allwinner SoCs. 529 530config MTD_NAND_HISI504 531 tristate "Support for NAND controller on Hisilicon SoC Hip04" 532 depends on ARCH_HISI || COMPILE_TEST 533 depends on HAS_IOMEM 534 help 535 Enables support for NAND controller on Hisilicon SoC Hip04. 536 537config MTD_NAND_QCOM 538 tristate "Support for NAND on QCOM SoCs" 539 depends on ARCH_QCOM || COMPILE_TEST 540 depends on HAS_IOMEM 541 help 542 Enables support for NAND flash chips on SoCs containing the EBI2 NAND 543 controller. This controller is found on IPQ806x SoC. 544 545config MTD_NAND_MTK 546 tristate "Support for NAND controller on MTK SoCs" 547 depends on ARCH_MEDIATEK || COMPILE_TEST 548 depends on HAS_IOMEM 549 help 550 Enables support for NAND controller on MTK SoCs. 551 This controller is found on mt27xx, mt81xx, mt65xx SoCs. 552 553config MTD_NAND_TEGRA 554 tristate "Support for NAND controller on NVIDIA Tegra" 555 depends on ARCH_TEGRA || COMPILE_TEST 556 depends on HAS_IOMEM 557 help 558 Enables support for NAND flash controller on NVIDIA Tegra SoC. 559 The driver has been developed and tested on a Tegra 2 SoC. DMA 560 support, raw read/write page as well as HW ECC read/write page 561 is supported. Extra OOB bytes when using HW ECC are currently 562 not supported. 563 564endif # MTD_NAND 565