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_SHARPSL 231 tristate "Support for NAND Flash on Sharp SL Series (C7xx + others)" 232 depends on ARCH_PXA || COMPILE_TEST 233 depends on HAS_IOMEM 234 235config MTD_NAND_CAFE 236 tristate "NAND support for OLPC CAFÉ chip" 237 depends on PCI 238 select REED_SOLOMON 239 select REED_SOLOMON_DEC16 240 help 241 Use NAND flash attached to the CAFÉ chip designed for the OLPC 242 laptop. 243 244config MTD_NAND_CS553X 245 tristate "NAND support for CS5535/CS5536 (AMD Geode companion chip)" 246 depends on X86_32 247 depends on !UML && HAS_IOMEM 248 help 249 The CS553x companion chips for the AMD Geode processor 250 include NAND flash controllers with built-in hardware ECC 251 capabilities; enabling this option will allow you to use 252 these. The driver will check the MSRs to verify that the 253 controller is enabled for NAND, and currently requires that 254 the controller be in MMIO mode. 255 256 If you say "m", the module will be called cs553x_nand. 257 258config MTD_NAND_ATMEL 259 tristate "Support for NAND Flash / SmartMedia on AT91" 260 depends on ARCH_AT91 || COMPILE_TEST 261 depends on HAS_IOMEM 262 select GENERIC_ALLOCATOR 263 select MFD_ATMEL_SMC 264 help 265 Enables support for NAND Flash / Smart Media Card interface 266 on Atmel AT91 processors. 267 268config MTD_NAND_MARVELL 269 tristate "NAND controller support on Marvell boards" 270 depends on PXA3xx || ARCH_MMP || PLAT_ORION || ARCH_MVEBU || \ 271 COMPILE_TEST 272 depends on HAS_IOMEM 273 help 274 This enables the NAND flash controller driver for Marvell boards, 275 including: 276 - PXA3xx processors (NFCv1) 277 - 32-bit Armada platforms (XP, 37x, 38x, 39x) (NFCv2) 278 - 64-bit Aramda platforms (7k, 8k) (NFCv2) 279 280config MTD_NAND_SLC_LPC32XX 281 tristate "NXP LPC32xx SLC Controller" 282 depends on ARCH_LPC32XX || COMPILE_TEST 283 depends on HAS_IOMEM 284 help 285 Enables support for NXP's LPC32XX SLC (i.e. for Single Level Cell 286 chips) NAND controller. This is the default for the PHYTEC 3250 287 reference board which contains a NAND256R3A2CZA6 chip. 288 289 Please check the actual NAND chip connected and its support 290 by the SLC NAND controller. 291 292config MTD_NAND_MLC_LPC32XX 293 tristate "NXP LPC32xx MLC Controller" 294 depends on ARCH_LPC32XX || COMPILE_TEST 295 depends on HAS_IOMEM 296 help 297 Uses the LPC32XX MLC (i.e. for Multi Level Cell chips) NAND 298 controller. This is the default for the WORK92105 controller 299 board. 300 301 Please check the actual NAND chip connected and its support 302 by the MLC NAND controller. 303 304config MTD_NAND_CM_X270 305 tristate "Support for NAND Flash on CM-X270 modules" 306 depends on MACH_ARMCORE 307 308config MTD_NAND_PASEMI 309 tristate "NAND support for PA Semi PWRficient" 310 depends on PPC_PASEMI 311 help 312 Enables support for NAND Flash interface on PA Semi PWRficient 313 based boards 314 315config MTD_NAND_TMIO 316 tristate "NAND Flash device on Toshiba Mobile IO Controller" 317 depends on MFD_TMIO 318 help 319 Support for NAND flash connected to a Toshiba Mobile IO 320 Controller in some PDAs, including the Sharp SL6000x. 321 322config MTD_NAND_NANDSIM 323 tristate "Support for NAND Flash Simulator" 324 help 325 The simulator may simulate various NAND flash chips for the 326 MTD nand layer. 327 328config MTD_NAND_GPMI_NAND 329 tristate "GPMI NAND Flash Controller driver" 330 depends on MXS_DMA 331 help 332 Enables NAND Flash support for IMX23, IMX28 or IMX6. 333 The GPMI controller is very powerful, with the help of BCH 334 module, it can do the hardware ECC. The GPMI supports several 335 NAND flashs at the same time. 336 337config MTD_NAND_BRCMNAND 338 tristate "Broadcom STB NAND controller" 339 depends on ARM || ARM64 || MIPS || COMPILE_TEST 340 depends on HAS_IOMEM 341 help 342 Enables the Broadcom NAND controller driver. The controller was 343 originally designed for Set-Top Box but is used on various BCM7xxx, 344 BCM3xxx, BCM63xxx, iProc/Cygnus and more. 345 346config MTD_NAND_BCM47XXNFLASH 347 tristate "Support for NAND flash on BCM4706 BCMA bus" 348 depends on BCMA_NFLASH 349 depends on BCMA 350 help 351 BCMA bus can have various flash memories attached, they are 352 registered by bcma as platform devices. This enables driver for 353 NAND flash memories. For now only BCM4706 is supported. 354 355config MTD_NAND_PLATFORM 356 tristate "Support for generic platform NAND driver" 357 depends on HAS_IOMEM 358 help 359 This implements a generic NAND driver for on-SOC platform 360 devices. You will need to provide platform-specific functions 361 via platform_data. 362 363config MTD_NAND_ORION 364 tristate "NAND Flash support for Marvell Orion SoC" 365 depends on PLAT_ORION 366 help 367 This enables the NAND flash controller on Orion machines. 368 369 No board specific support is done by this driver, each board 370 must advertise a platform_device for the driver to attach. 371 372config MTD_NAND_OXNAS 373 tristate "NAND Flash support for Oxford Semiconductor SoC" 374 depends on ARCH_OXNAS || COMPILE_TEST 375 depends on HAS_IOMEM 376 help 377 This enables the NAND flash controller on Oxford Semiconductor SoCs. 378 379config MTD_NAND_FSL_ELBC 380 tristate "NAND support for Freescale eLBC controllers" 381 depends on FSL_SOC 382 select FSL_LBC 383 help 384 Various Freescale chips, including the 8313, include a NAND Flash 385 Controller Module with built-in hardware ECC capabilities. 386 Enabling this option will enable you to use this to control 387 external NAND devices. 388 389config MTD_NAND_FSL_IFC 390 tristate "NAND support for Freescale IFC controller" 391 depends on FSL_SOC || ARCH_LAYERSCAPE || SOC_LS1021A || COMPILE_TEST 392 depends on HAS_IOMEM 393 select FSL_IFC 394 select MEMORY 395 help 396 Various Freescale chips e.g P1010, include a NAND Flash machine 397 with built-in hardware ECC capabilities. 398 Enabling this option will enable you to use this to control 399 external NAND devices. 400 401config MTD_NAND_FSL_UPM 402 tristate "Support for NAND on Freescale UPM" 403 depends on PPC_83xx || PPC_85xx 404 select FSL_LBC 405 help 406 Enables support for NAND Flash chips wired onto Freescale PowerPC 407 processor localbus with User-Programmable Machine support. 408 409config MTD_NAND_MPC5121_NFC 410 tristate "MPC5121 built-in NAND Flash Controller support" 411 depends on PPC_MPC512x 412 help 413 This enables the driver for the NAND flash controller on the 414 MPC5121 SoC. 415 416config MTD_NAND_VF610_NFC 417 tristate "Support for Freescale NFC for VF610/MPC5125" 418 depends on (SOC_VF610 || COMPILE_TEST) 419 depends on HAS_IOMEM 420 help 421 Enables support for NAND Flash Controller on some Freescale 422 processors like the VF610, MPC5125, MCF54418 or Kinetis K70. 423 The driver supports a maximum 2k page size. With 2k pages and 424 64 bytes or more of OOB, hardware ECC with up to 32-bit error 425 correction is supported. Hardware ECC is only enabled through 426 device tree. 427 428config MTD_NAND_MXC 429 tristate "MXC NAND support" 430 depends on ARCH_MXC || COMPILE_TEST 431 depends on HAS_IOMEM 432 help 433 This enables the driver for the NAND flash controller on the 434 MXC processors. 435 436config MTD_NAND_SH_FLCTL 437 tristate "Support for NAND on Renesas SuperH FLCTL" 438 depends on SUPERH || COMPILE_TEST 439 depends on HAS_IOMEM 440 help 441 Several Renesas SuperH CPU has FLCTL. This option enables support 442 for NAND Flash using FLCTL. 443 444config MTD_NAND_DAVINCI 445 tristate "Support NAND on DaVinci/Keystone SoC" 446 depends on ARCH_DAVINCI || (ARCH_KEYSTONE && TI_AEMIF) || COMPILE_TEST 447 depends on HAS_IOMEM 448 help 449 Enable the driver for NAND flash chips on Texas Instruments 450 DaVinci/Keystone processors. 451 452config MTD_NAND_TXX9NDFMC 453 tristate "NAND Flash support for TXx9 SoC" 454 depends on SOC_TX4938 || SOC_TX4939 || COMPILE_TEST 455 depends on HAS_IOMEM 456 help 457 This enables the NAND flash controller on the TXx9 SoCs. 458 459config MTD_NAND_SOCRATES 460 tristate "Support for NAND on Socrates board" 461 depends on SOCRATES 462 help 463 Enables support for NAND Flash chips wired onto Socrates board. 464 465config MTD_NAND_NUC900 466 tristate "Support for NAND on Nuvoton NUC9xx/w90p910 evaluation boards." 467 depends on ARCH_W90X900 || COMPILE_TEST 468 depends on HAS_IOMEM 469 help 470 This enables the driver for the NAND Flash on evaluation board based 471 on w90p910 / NUC9xx. 472 473config MTD_NAND_JZ4740 474 tristate "Support for JZ4740 SoC NAND controller" 475 depends on MACH_JZ4740 || COMPILE_TEST 476 depends on HAS_IOMEM 477 help 478 Enables support for NAND Flash on JZ4740 SoC based boards. 479 480config MTD_NAND_JZ4780 481 tristate "Support for NAND on JZ4780 SoC" 482 depends on JZ4780_NEMC 483 help 484 Enables support for NAND Flash connected to the NEMC on JZ4780 SoC 485 based boards, using the BCH controller for hardware error correction. 486 487config MTD_NAND_FSMC 488 tristate "Support for NAND on ST Micros FSMC" 489 depends on OF && HAS_IOMEM 490 depends on PLAT_SPEAR || ARCH_NOMADIK || ARCH_U8500 || MACH_U300 || \ 491 COMPILE_TEST 492 help 493 Enables support for NAND Flash chips on the ST Microelectronics 494 Flexible Static Memory Controller (FSMC) 495 496config MTD_NAND_XWAY 497 bool "Support for NAND on Lantiq XWAY SoC" 498 depends on LANTIQ && SOC_TYPE_XWAY 499 help 500 Enables support for NAND Flash chips on Lantiq XWAY SoCs. NAND is attached 501 to the External Bus Unit (EBU). 502 503config MTD_NAND_SUNXI 504 tristate "Support for NAND on Allwinner SoCs" 505 depends on ARCH_SUNXI || COMPILE_TEST 506 depends on HAS_IOMEM 507 help 508 Enables support for NAND Flash chips on Allwinner SoCs. 509 510config MTD_NAND_HISI504 511 tristate "Support for NAND controller on Hisilicon SoC Hip04" 512 depends on ARCH_HISI || COMPILE_TEST 513 depends on HAS_IOMEM 514 help 515 Enables support for NAND controller on Hisilicon SoC Hip04. 516 517config MTD_NAND_QCOM 518 tristate "Support for NAND on QCOM SoCs" 519 depends on ARCH_QCOM || COMPILE_TEST 520 depends on HAS_IOMEM 521 help 522 Enables support for NAND flash chips on SoCs containing the EBI2 NAND 523 controller. This controller is found on IPQ806x SoC. 524 525config MTD_NAND_MTK 526 tristate "Support for NAND controller on MTK SoCs" 527 depends on ARCH_MEDIATEK || COMPILE_TEST 528 depends on HAS_IOMEM 529 help 530 Enables support for NAND controller on MTK SoCs. 531 This controller is found on mt27xx, mt81xx, mt65xx SoCs. 532 533config MTD_NAND_TEGRA 534 tristate "Support for NAND controller on NVIDIA Tegra" 535 depends on ARCH_TEGRA || COMPILE_TEST 536 depends on HAS_IOMEM 537 help 538 Enables support for NAND flash controller on NVIDIA Tegra SoC. 539 The driver has been developed and tested on a Tegra 2 SoC. DMA 540 support, raw read/write page as well as HW ECC read/write page 541 is supported. Extra OOB bytes when using HW ECC are currently 542 not supported. 543 544endif # MTD_NAND 545