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 "NAND Device Support" 15 depends on MTD 16 select MTD_NAND_ECC 17 help 18 This enables support for accessing all type of NAND flash 19 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 HAS_DMA && 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) 81 help 82 Support for NAND flash on Texas Instruments OMAP2, OMAP3, OMAP4 83 and Keystone platforms. 84 85config MTD_NAND_OMAP_BCH 86 depends on MTD_NAND_OMAP2 87 bool "Support hardware based BCH error correction" 88 default n 89 select BCH 90 help 91 This config enables the ELM hardware engine, which can be used to 92 locate and correct errors when using BCH ECC scheme. This offloads 93 the cpu from doing ECC error searching and correction. However some 94 legacy OMAP families like OMAP2xxx, OMAP3xxx do not have ELM engine 95 so this is optional for them. 96 97config MTD_NAND_OMAP_BCH_BUILD 98 def_tristate MTD_NAND_OMAP2 && MTD_NAND_OMAP_BCH 99 100config MTD_NAND_RICOH 101 tristate "Ricoh xD card reader" 102 default n 103 depends on PCI 104 select MTD_SM_COMMON 105 help 106 Enable support for Ricoh R5C852 xD card reader 107 You also need to enable ether 108 NAND SSFDC (SmartMedia) read only translation layer' or new 109 expermental, readwrite 110 'SmartMedia/xD new translation layer' 111 112config MTD_NAND_AU1550 113 tristate "Au1550/1200 NAND support" 114 depends on MIPS_ALCHEMY 115 help 116 This enables the driver for the NAND flash controller on the 117 AMD/Alchemy 1550 SOC. 118 119config MTD_NAND_BF5XX 120 tristate "Blackfin on-chip NAND Flash Controller driver" 121 depends on BF54x || BF52x 122 help 123 This enables the Blackfin on-chip NAND flash controller 124 125 No board specific support is done by this driver, each board 126 must advertise a platform_device for the driver to attach. 127 128 This driver can also be built as a module. If so, the module 129 will be called bf5xx-nand. 130 131config MTD_NAND_BF5XX_HWECC 132 bool "BF5XX NAND Hardware ECC" 133 default y 134 depends on MTD_NAND_BF5XX 135 help 136 Enable the use of the BF5XX's internal ECC generator when 137 using NAND. 138 139config MTD_NAND_BF5XX_BOOTROM_ECC 140 bool "Use Blackfin BootROM ECC Layout" 141 default n 142 depends on MTD_NAND_BF5XX_HWECC 143 help 144 If you wish to modify NAND pages and allow the Blackfin on-chip 145 BootROM to boot from them, say Y here. This is only necessary 146 if you are booting U-Boot out of NAND and you wish to update 147 U-Boot from Linux' userspace. Otherwise, you should say N here. 148 149 If unsure, say N. 150 151config MTD_NAND_S3C2410 152 tristate "NAND Flash support for Samsung S3C SoCs" 153 depends on ARCH_S3C24XX || ARCH_S3C64XX 154 help 155 This enables the NAND flash controller on the S3C24xx and S3C64xx 156 SoCs 157 158 No board specific support is done by this driver, each board 159 must advertise a platform_device for the driver to attach. 160 161config MTD_NAND_S3C2410_DEBUG 162 bool "Samsung S3C NAND driver debug" 163 depends on MTD_NAND_S3C2410 164 help 165 Enable debugging of the S3C NAND driver 166 167config MTD_NAND_NDFC 168 tristate "NDFC NanD Flash Controller" 169 depends on 4xx 170 select MTD_NAND_ECC_SMC 171 help 172 NDFC Nand Flash Controllers are integrated in IBM/AMCC's 4xx SoCs 173 174config MTD_NAND_S3C2410_CLKSTOP 175 bool "Samsung S3C NAND IDLE clock stop" 176 depends on MTD_NAND_S3C2410 177 default n 178 help 179 Stop the clock to the NAND controller when there is no chip 180 selected to save power. This will mean there is a small delay 181 when the is NAND chip selected or released, but will save 182 approximately 5mA of power when there is nothing happening. 183 184config MTD_NAND_TANGO 185 tristate "NAND Flash support for Tango chips" 186 depends on ARCH_TANGO || COMPILE_TEST 187 depends on HAS_DMA 188 help 189 Enables the NAND Flash controller on Tango chips. 190 191config MTD_NAND_DISKONCHIP 192 tristate "DiskOnChip 2000, Millennium and Millennium Plus (NAND reimplementation)" 193 depends on HAS_IOMEM 194 select REED_SOLOMON 195 select REED_SOLOMON_DEC16 196 help 197 This is a reimplementation of M-Systems DiskOnChip 2000, 198 Millennium and Millennium Plus as a standard NAND device driver, 199 as opposed to the earlier self-contained MTD device drivers. 200 This should enable, among other things, proper JFFS2 operation on 201 these devices. 202 203config MTD_NAND_DISKONCHIP_PROBE_ADVANCED 204 bool "Advanced detection options for DiskOnChip" 205 depends on MTD_NAND_DISKONCHIP 206 help 207 This option allows you to specify nonstandard address at which to 208 probe for a DiskOnChip, or to change the detection options. You 209 are unlikely to need any of this unless you are using LinuxBIOS. 210 Say 'N'. 211 212config MTD_NAND_DISKONCHIP_PROBE_ADDRESS 213 hex "Physical address of DiskOnChip" if MTD_NAND_DISKONCHIP_PROBE_ADVANCED 214 depends on MTD_NAND_DISKONCHIP 215 default "0" 216 ---help--- 217 By default, the probe for DiskOnChip devices will look for a 218 DiskOnChip at every multiple of 0x2000 between 0xC8000 and 0xEE000. 219 This option allows you to specify a single address at which to probe 220 for the device, which is useful if you have other devices in that 221 range which get upset when they are probed. 222 223 (Note that on PowerPC, the normal probe will only check at 224 0xE4000000.) 225 226 Normally, you should leave this set to zero, to allow the probe at 227 the normal addresses. 228 229config MTD_NAND_DISKONCHIP_PROBE_HIGH 230 bool "Probe high addresses" 231 depends on MTD_NAND_DISKONCHIP_PROBE_ADVANCED 232 help 233 By default, the probe for DiskOnChip devices will look for a 234 DiskOnChip at every multiple of 0x2000 between 0xC8000 and 0xEE000. 235 This option changes to make it probe between 0xFFFC8000 and 236 0xFFFEE000. Unless you are using LinuxBIOS, this is unlikely to be 237 useful to you. Say 'N'. 238 239config MTD_NAND_DISKONCHIP_BBTWRITE 240 bool "Allow BBT writes on DiskOnChip Millennium and 2000TSOP" 241 depends on MTD_NAND_DISKONCHIP 242 help 243 On DiskOnChip devices shipped with the INFTL filesystem (Millennium 244 and 2000 TSOP/Alon), Linux reserves some space at the end of the 245 device for the Bad Block Table (BBT). If you have existing INFTL 246 data on your device (created by non-Linux tools such as M-Systems' 247 DOS drivers), your data might overlap the area Linux wants to use for 248 the BBT. If this is a concern for you, leave this option disabled and 249 Linux will not write BBT data into this area. 250 The downside of leaving this option disabled is that if bad blocks 251 are detected by Linux, they will not be recorded in the BBT, which 252 could cause future problems. 253 Once you enable this option, new filesystems (INFTL or others, created 254 in Linux or other operating systems) will not use the reserved area. 255 The only reason not to enable this option is to prevent damage to 256 preexisting filesystems. 257 Even if you leave this disabled, you can enable BBT writes at module 258 load time (assuming you build diskonchip as a module) with the module 259 parameter "inftl_bbt_write=1". 260 261config MTD_NAND_DOCG4 262 tristate "Support for DiskOnChip G4" 263 depends on HAS_IOMEM 264 select BCH 265 select BITREVERSE 266 help 267 Support for diskonchip G4 nand flash, found in various smartphones and 268 PDAs, among them the Palm Treo680, HTC Prophet and Wizard, Toshiba 269 Portege G900, Asus P526, and O2 XDA Zinc. 270 271 With this driver you will be able to use UBI and create a ubifs on the 272 device, so you may wish to consider enabling UBI and UBIFS as well. 273 274 These devices ship with the Mys/Sandisk SAFTL formatting, for which 275 there is currently no mtd parser, so you may want to use command line 276 partitioning to segregate write-protected blocks. On the Treo680, the 277 first five erase blocks (256KiB each) are write-protected, followed 278 by the block containing the saftl partition table. This is probably 279 typical. 280 281config MTD_NAND_SHARPSL 282 tristate "Support for NAND Flash on Sharp SL Series (C7xx + others)" 283 depends on ARCH_PXA 284 285config MTD_NAND_CAFE 286 tristate "NAND support for OLPC CAFÉ chip" 287 depends on PCI 288 select REED_SOLOMON 289 select REED_SOLOMON_DEC16 290 help 291 Use NAND flash attached to the CAFÉ chip designed for the OLPC 292 laptop. 293 294config MTD_NAND_CS553X 295 tristate "NAND support for CS5535/CS5536 (AMD Geode companion chip)" 296 depends on X86_32 297 depends on !UML && HAS_IOMEM 298 help 299 The CS553x companion chips for the AMD Geode processor 300 include NAND flash controllers with built-in hardware ECC 301 capabilities; enabling this option will allow you to use 302 these. The driver will check the MSRs to verify that the 303 controller is enabled for NAND, and currently requires that 304 the controller be in MMIO mode. 305 306 If you say "m", the module will be called cs553x_nand. 307 308config MTD_NAND_ATMEL 309 tristate "Support for NAND Flash / SmartMedia on AT91" 310 depends on ARCH_AT91 311 select MFD_ATMEL_SMC 312 help 313 Enables support for NAND Flash / Smart Media Card interface 314 on Atmel AT91 processors. 315 316config MTD_NAND_PXA3xx 317 tristate "NAND support on PXA3xx and Armada 370/XP" 318 depends on !MTD_NAND_MARVELL 319 depends on PXA3xx || ARCH_MMP || PLAT_ORION || ARCH_MVEBU 320 help 321 322 This enables the driver for the NAND flash device found on 323 PXA3xx processors (NFCv1) and also on 32-bit Armada 324 platforms (XP, 370, 375, 38x, 39x) and 64-bit Armada 325 platforms (7K, 8K) (NFCv2). 326 327config MTD_NAND_MARVELL 328 tristate "NAND controller support on Marvell boards" 329 depends on PXA3xx || ARCH_MMP || PLAT_ORION || ARCH_MVEBU || \ 330 COMPILE_TEST 331 depends on HAS_IOMEM && HAS_DMA 332 help 333 This enables the NAND flash controller driver for Marvell boards, 334 including: 335 - PXA3xx processors (NFCv1) 336 - 32-bit Armada platforms (XP, 37x, 38x, 39x) (NFCv2) 337 - 64-bit Aramda platforms (7k, 8k) (NFCv2) 338 339config MTD_NAND_SLC_LPC32XX 340 tristate "NXP LPC32xx SLC Controller" 341 depends on ARCH_LPC32XX 342 help 343 Enables support for NXP's LPC32XX SLC (i.e. for Single Level Cell 344 chips) NAND controller. This is the default for the PHYTEC 3250 345 reference board which contains a NAND256R3A2CZA6 chip. 346 347 Please check the actual NAND chip connected and its support 348 by the SLC NAND controller. 349 350config MTD_NAND_MLC_LPC32XX 351 tristate "NXP LPC32xx MLC Controller" 352 depends on ARCH_LPC32XX 353 help 354 Uses the LPC32XX MLC (i.e. for Multi Level Cell chips) NAND 355 controller. This is the default for the WORK92105 controller 356 board. 357 358 Please check the actual NAND chip connected and its support 359 by the MLC NAND controller. 360 361config MTD_NAND_CM_X270 362 tristate "Support for NAND Flash on CM-X270 modules" 363 depends on MACH_ARMCORE 364 365config MTD_NAND_PASEMI 366 tristate "NAND support for PA Semi PWRficient" 367 depends on PPC_PASEMI 368 help 369 Enables support for NAND Flash interface on PA Semi PWRficient 370 based boards 371 372config MTD_NAND_TMIO 373 tristate "NAND Flash device on Toshiba Mobile IO Controller" 374 depends on MFD_TMIO 375 help 376 Support for NAND flash connected to a Toshiba Mobile IO 377 Controller in some PDAs, including the Sharp SL6000x. 378 379config MTD_NAND_NANDSIM 380 tristate "Support for NAND Flash Simulator" 381 help 382 The simulator may simulate various NAND flash chips for the 383 MTD nand layer. 384 385config MTD_NAND_GPMI_NAND 386 tristate "GPMI NAND Flash Controller driver" 387 depends on MTD_NAND && MXS_DMA 388 help 389 Enables NAND Flash support for IMX23, IMX28 or IMX6. 390 The GPMI controller is very powerful, with the help of BCH 391 module, it can do the hardware ECC. The GPMI supports several 392 NAND flashs at the same time. 393 394config MTD_NAND_BRCMNAND 395 tristate "Broadcom STB NAND controller" 396 depends on ARM || ARM64 || MIPS 397 help 398 Enables the Broadcom NAND controller driver. The controller was 399 originally designed for Set-Top Box but is used on various BCM7xxx, 400 BCM3xxx, BCM63xxx, iProc/Cygnus and more. 401 402config MTD_NAND_BCM47XXNFLASH 403 tristate "Support for NAND flash on BCM4706 BCMA bus" 404 depends on BCMA_NFLASH 405 help 406 BCMA bus can have various flash memories attached, they are 407 registered by bcma as platform devices. This enables driver for 408 NAND flash memories. For now only BCM4706 is supported. 409 410config MTD_NAND_PLATFORM 411 tristate "Support for generic platform NAND driver" 412 depends on HAS_IOMEM 413 help 414 This implements a generic NAND driver for on-SOC platform 415 devices. You will need to provide platform-specific functions 416 via platform_data. 417 418config MTD_NAND_ORION 419 tristate "NAND Flash support for Marvell Orion SoC" 420 depends on PLAT_ORION 421 help 422 This enables the NAND flash controller on Orion machines. 423 424 No board specific support is done by this driver, each board 425 must advertise a platform_device for the driver to attach. 426 427config MTD_NAND_OXNAS 428 tristate "NAND Flash support for Oxford Semiconductor SoC" 429 depends on ARCH_OXNAS || COMPILE_TEST 430 depends on HAS_IOMEM 431 help 432 This enables the NAND flash controller on Oxford Semiconductor SoCs. 433 434config MTD_NAND_FSL_ELBC 435 tristate "NAND support for Freescale eLBC controllers" 436 depends on FSL_SOC 437 select FSL_LBC 438 help 439 Various Freescale chips, including the 8313, include a NAND Flash 440 Controller Module with built-in hardware ECC capabilities. 441 Enabling this option will enable you to use this to control 442 external NAND devices. 443 444config MTD_NAND_FSL_IFC 445 tristate "NAND support for Freescale IFC controller" 446 depends on FSL_SOC || ARCH_LAYERSCAPE || SOC_LS1021A 447 select FSL_IFC 448 select MEMORY 449 help 450 Various Freescale chips e.g P1010, include a NAND Flash machine 451 with built-in hardware ECC capabilities. 452 Enabling this option will enable you to use this to control 453 external NAND devices. 454 455config MTD_NAND_FSL_UPM 456 tristate "Support for NAND on Freescale UPM" 457 depends on PPC_83xx || PPC_85xx 458 select FSL_LBC 459 help 460 Enables support for NAND Flash chips wired onto Freescale PowerPC 461 processor localbus with User-Programmable Machine support. 462 463config MTD_NAND_MPC5121_NFC 464 tristate "MPC5121 built-in NAND Flash Controller support" 465 depends on PPC_MPC512x 466 help 467 This enables the driver for the NAND flash controller on the 468 MPC5121 SoC. 469 470config MTD_NAND_VF610_NFC 471 tristate "Support for Freescale NFC for VF610/MPC5125" 472 depends on (SOC_VF610 || COMPILE_TEST) 473 depends on HAS_IOMEM 474 help 475 Enables support for NAND Flash Controller on some Freescale 476 processors like the VF610, MPC5125, MCF54418 or Kinetis K70. 477 The driver supports a maximum 2k page size. With 2k pages and 478 64 bytes or more of OOB, hardware ECC with up to 32-bit error 479 correction is supported. Hardware ECC is only enabled through 480 device tree. 481 482config MTD_NAND_MXC 483 tristate "MXC NAND support" 484 depends on ARCH_MXC 485 help 486 This enables the driver for the NAND flash controller on the 487 MXC processors. 488 489config MTD_NAND_SH_FLCTL 490 tristate "Support for NAND on Renesas SuperH FLCTL" 491 depends on SUPERH || COMPILE_TEST 492 depends on HAS_IOMEM 493 depends on HAS_DMA 494 help 495 Several Renesas SuperH CPU has FLCTL. This option enables support 496 for NAND Flash using FLCTL. 497 498config MTD_NAND_DAVINCI 499 tristate "Support NAND on DaVinci/Keystone SoC" 500 depends on ARCH_DAVINCI || (ARCH_KEYSTONE && TI_AEMIF) 501 help 502 Enable the driver for NAND flash chips on Texas Instruments 503 DaVinci/Keystone processors. 504 505config MTD_NAND_TXX9NDFMC 506 tristate "NAND Flash support for TXx9 SoC" 507 depends on SOC_TX4938 || SOC_TX4939 508 help 509 This enables the NAND flash controller on the TXx9 SoCs. 510 511config MTD_NAND_SOCRATES 512 tristate "Support for NAND on Socrates board" 513 depends on SOCRATES 514 help 515 Enables support for NAND Flash chips wired onto Socrates board. 516 517config MTD_NAND_NUC900 518 tristate "Support for NAND on Nuvoton NUC9xx/w90p910 evaluation boards." 519 depends on ARCH_W90X900 520 help 521 This enables the driver for the NAND Flash on evaluation board based 522 on w90p910 / NUC9xx. 523 524config MTD_NAND_JZ4740 525 tristate "Support for JZ4740 SoC NAND controller" 526 depends on MACH_JZ4740 527 help 528 Enables support for NAND Flash on JZ4740 SoC based boards. 529 530config MTD_NAND_JZ4780 531 tristate "Support for NAND on JZ4780 SoC" 532 depends on MACH_JZ4780 && JZ4780_NEMC 533 help 534 Enables support for NAND Flash connected to the NEMC on JZ4780 SoC 535 based boards, using the BCH controller for hardware error correction. 536 537config MTD_NAND_FSMC 538 tristate "Support for NAND on ST Micros FSMC" 539 depends on OF 540 depends on PLAT_SPEAR || ARCH_NOMADIK || ARCH_U8500 || MACH_U300 541 help 542 Enables support for NAND Flash chips on the ST Microelectronics 543 Flexible Static Memory Controller (FSMC) 544 545config MTD_NAND_XWAY 546 bool "Support for NAND on Lantiq XWAY SoC" 547 depends on LANTIQ && SOC_TYPE_XWAY 548 help 549 Enables support for NAND Flash chips on Lantiq XWAY SoCs. NAND is attached 550 to the External Bus Unit (EBU). 551 552config MTD_NAND_SUNXI 553 tristate "Support for NAND on Allwinner SoCs" 554 depends on ARCH_SUNXI 555 help 556 Enables support for NAND Flash chips on Allwinner SoCs. 557 558config MTD_NAND_HISI504 559 tristate "Support for NAND controller on Hisilicon SoC Hip04" 560 depends on ARCH_HISI || COMPILE_TEST 561 depends on HAS_DMA 562 help 563 Enables support for NAND controller on Hisilicon SoC Hip04. 564 565config MTD_NAND_QCOM 566 tristate "Support for NAND on QCOM SoCs" 567 depends on ARCH_QCOM 568 help 569 Enables support for NAND flash chips on SoCs containing the EBI2 NAND 570 controller. This controller is found on IPQ806x SoC. 571 572config MTD_NAND_MTK 573 tristate "Support for NAND controller on MTK SoCs" 574 depends on ARCH_MEDIATEK || COMPILE_TEST 575 depends on HAS_DMA 576 help 577 Enables support for NAND controller on MTK SoCs. 578 This controller is found on mt27xx, mt81xx, mt65xx SoCs. 579 580endif # MTD_NAND 581