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_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 23if MTD_NAND 24 25config MTD_NAND_BCH 26 tristate 27 select BCH 28 depends on MTD_NAND_ECC_BCH 29 default MTD_NAND 30 31config MTD_NAND_ECC_BCH 32 bool "Support software BCH ECC" 33 default n 34 help 35 This enables support for software BCH error correction. Binary BCH 36 codes are more powerful and cpu intensive than traditional Hamming 37 ECC codes. They are used with NAND devices requiring more than 1 bit 38 of error correction. 39 40config MTD_SM_COMMON 41 tristate 42 default n 43 44config MTD_NAND_DENALI 45 tristate "Support Denali NAND controller" 46 depends on HAS_DMA 47 help 48 Enable support for the Denali NAND controller. This should be 49 combined with either the PCI or platform drivers to provide device 50 registration. 51 52config MTD_NAND_DENALI_PCI 53 tristate "Support Denali NAND controller on Intel Moorestown" 54 depends on PCI && MTD_NAND_DENALI 55 help 56 Enable the driver for NAND flash on Intel Moorestown, using the 57 Denali NAND controller core. 58 59config MTD_NAND_DENALI_DT 60 tristate "Support Denali NAND controller as a DT device" 61 depends on HAVE_CLK && MTD_NAND_DENALI 62 help 63 Enable the driver for NAND flash on platforms using a Denali NAND 64 controller as a DT device. 65 66config MTD_NAND_DENALI_SCRATCH_REG_ADDR 67 hex "Denali NAND size scratch register address" 68 default "0xFF108018" 69 depends on MTD_NAND_DENALI_PCI 70 help 71 Some platforms place the NAND chip size in a scratch register 72 because (some versions of) the driver aren't able to automatically 73 determine the size of certain chips. Set the address of the 74 scratch register here to enable this feature. On Intel Moorestown 75 boards, the scratch register is at 0xFF108018. 76 77config MTD_NAND_GPIO 78 tristate "GPIO NAND Flash driver" 79 depends on GPIOLIB 80 help 81 This enables a GPIO based NAND flash driver. 82 83config MTD_NAND_AMS_DELTA 84 tristate "NAND Flash device on Amstrad E3" 85 depends on MACH_AMS_DELTA 86 default y 87 help 88 Support for NAND flash on Amstrad E3 (Delta). 89 90config MTD_NAND_OMAP2 91 tristate "NAND Flash device on OMAP2, OMAP3 and OMAP4" 92 depends on ARCH_OMAP2PLUS 93 help 94 Support for NAND flash on Texas Instruments OMAP2, OMAP3 and OMAP4 95 platforms. 96 97config MTD_NAND_OMAP_BCH 98 depends on MTD_NAND_OMAP2 99 tristate "Support hardware based BCH error correction" 100 default n 101 select BCH 102 help 103 This config enables the ELM hardware engine, which can be used to 104 locate and correct errors when using BCH ECC scheme. This offloads 105 the cpu from doing ECC error searching and correction. However some 106 legacy OMAP families like OMAP2xxx, OMAP3xxx do not have ELM engine 107 so they should not enable this config symbol. 108 109config MTD_NAND_IDS 110 tristate 111 112config MTD_NAND_RICOH 113 tristate "Ricoh xD card reader" 114 default n 115 depends on PCI 116 select MTD_SM_COMMON 117 help 118 Enable support for Ricoh R5C852 xD card reader 119 You also need to enable ether 120 NAND SSFDC (SmartMedia) read only translation layer' or new 121 expermental, readwrite 122 'SmartMedia/xD new translation layer' 123 124config MTD_NAND_AU1550 125 tristate "Au1550/1200 NAND support" 126 depends on MIPS_ALCHEMY 127 help 128 This enables the driver for the NAND flash controller on the 129 AMD/Alchemy 1550 SOC. 130 131config MTD_NAND_BF5XX 132 tristate "Blackfin on-chip NAND Flash Controller driver" 133 depends on BF54x || BF52x 134 help 135 This enables the Blackfin on-chip NAND flash controller 136 137 No board specific support is done by this driver, each board 138 must advertise a platform_device for the driver to attach. 139 140 This driver can also be built as a module. If so, the module 141 will be called bf5xx-nand. 142 143config MTD_NAND_BF5XX_HWECC 144 bool "BF5XX NAND Hardware ECC" 145 default y 146 depends on MTD_NAND_BF5XX 147 help 148 Enable the use of the BF5XX's internal ECC generator when 149 using NAND. 150 151config MTD_NAND_BF5XX_BOOTROM_ECC 152 bool "Use Blackfin BootROM ECC Layout" 153 default n 154 depends on MTD_NAND_BF5XX_HWECC 155 help 156 If you wish to modify NAND pages and allow the Blackfin on-chip 157 BootROM to boot from them, say Y here. This is only necessary 158 if you are booting U-Boot out of NAND and you wish to update 159 U-Boot from Linux' userspace. Otherwise, you should say N here. 160 161 If unsure, say N. 162 163config MTD_NAND_S3C2410 164 tristate "NAND Flash support for Samsung S3C SoCs" 165 depends on ARCH_S3C24XX || ARCH_S3C64XX 166 help 167 This enables the NAND flash controller on the S3C24xx and S3C64xx 168 SoCs 169 170 No board specific support is done by this driver, each board 171 must advertise a platform_device for the driver to attach. 172 173config MTD_NAND_S3C2410_DEBUG 174 bool "Samsung S3C NAND driver debug" 175 depends on MTD_NAND_S3C2410 176 help 177 Enable debugging of the S3C NAND driver 178 179config MTD_NAND_S3C2410_HWECC 180 bool "Samsung S3C NAND Hardware ECC" 181 depends on MTD_NAND_S3C2410 182 help 183 Enable the use of the controller's internal ECC generator when 184 using NAND. Early versions of the chips have had problems with 185 incorrect ECC generation, and if using these, the default of 186 software ECC is preferable. 187 188config MTD_NAND_NDFC 189 tristate "NDFC NanD Flash Controller" 190 depends on 4xx 191 select MTD_NAND_ECC_SMC 192 help 193 NDFC Nand Flash Controllers are integrated in IBM/AMCC's 4xx SoCs 194 195config MTD_NAND_S3C2410_CLKSTOP 196 bool "Samsung S3C NAND IDLE clock stop" 197 depends on MTD_NAND_S3C2410 198 default n 199 help 200 Stop the clock to the NAND controller when there is no chip 201 selected to save power. This will mean there is a small delay 202 when the is NAND chip selected or released, but will save 203 approximately 5mA of power when there is nothing happening. 204 205config MTD_NAND_DISKONCHIP 206 tristate "DiskOnChip 2000, Millennium and Millennium Plus (NAND reimplementation)" 207 depends on HAS_IOMEM 208 select REED_SOLOMON 209 select REED_SOLOMON_DEC16 210 help 211 This is a reimplementation of M-Systems DiskOnChip 2000, 212 Millennium and Millennium Plus as a standard NAND device driver, 213 as opposed to the earlier self-contained MTD device drivers. 214 This should enable, among other things, proper JFFS2 operation on 215 these devices. 216 217config MTD_NAND_DISKONCHIP_PROBE_ADVANCED 218 bool "Advanced detection options for DiskOnChip" 219 depends on MTD_NAND_DISKONCHIP 220 help 221 This option allows you to specify nonstandard address at which to 222 probe for a DiskOnChip, or to change the detection options. You 223 are unlikely to need any of this unless you are using LinuxBIOS. 224 Say 'N'. 225 226config MTD_NAND_DISKONCHIP_PROBE_ADDRESS 227 hex "Physical address of DiskOnChip" if MTD_NAND_DISKONCHIP_PROBE_ADVANCED 228 depends on MTD_NAND_DISKONCHIP 229 default "0" 230 ---help--- 231 By default, the probe for DiskOnChip devices will look for a 232 DiskOnChip at every multiple of 0x2000 between 0xC8000 and 0xEE000. 233 This option allows you to specify a single address at which to probe 234 for the device, which is useful if you have other devices in that 235 range which get upset when they are probed. 236 237 (Note that on PowerPC, the normal probe will only check at 238 0xE4000000.) 239 240 Normally, you should leave this set to zero, to allow the probe at 241 the normal addresses. 242 243config MTD_NAND_DISKONCHIP_PROBE_HIGH 244 bool "Probe high addresses" 245 depends on MTD_NAND_DISKONCHIP_PROBE_ADVANCED 246 help 247 By default, the probe for DiskOnChip devices will look for a 248 DiskOnChip at every multiple of 0x2000 between 0xC8000 and 0xEE000. 249 This option changes to make it probe between 0xFFFC8000 and 250 0xFFFEE000. Unless you are using LinuxBIOS, this is unlikely to be 251 useful to you. Say 'N'. 252 253config MTD_NAND_DISKONCHIP_BBTWRITE 254 bool "Allow BBT writes on DiskOnChip Millennium and 2000TSOP" 255 depends on MTD_NAND_DISKONCHIP 256 help 257 On DiskOnChip devices shipped with the INFTL filesystem (Millennium 258 and 2000 TSOP/Alon), Linux reserves some space at the end of the 259 device for the Bad Block Table (BBT). If you have existing INFTL 260 data on your device (created by non-Linux tools such as M-Systems' 261 DOS drivers), your data might overlap the area Linux wants to use for 262 the BBT. If this is a concern for you, leave this option disabled and 263 Linux will not write BBT data into this area. 264 The downside of leaving this option disabled is that if bad blocks 265 are detected by Linux, they will not be recorded in the BBT, which 266 could cause future problems. 267 Once you enable this option, new filesystems (INFTL or others, created 268 in Linux or other operating systems) will not use the reserved area. 269 The only reason not to enable this option is to prevent damage to 270 preexisting filesystems. 271 Even if you leave this disabled, you can enable BBT writes at module 272 load time (assuming you build diskonchip as a module) with the module 273 parameter "inftl_bbt_write=1". 274 275config MTD_NAND_DOCG4 276 tristate "Support for DiskOnChip G4" 277 depends on HAS_IOMEM 278 select BCH 279 select BITREVERSE 280 help 281 Support for diskonchip G4 nand flash, found in various smartphones and 282 PDAs, among them the Palm Treo680, HTC Prophet and Wizard, Toshiba 283 Portege G900, Asus P526, and O2 XDA Zinc. 284 285 With this driver you will be able to use UBI and create a ubifs on the 286 device, so you may wish to consider enabling UBI and UBIFS as well. 287 288 These devices ship with the Mys/Sandisk SAFTL formatting, for which 289 there is currently no mtd parser, so you may want to use command line 290 partitioning to segregate write-protected blocks. On the Treo680, the 291 first five erase blocks (256KiB each) are write-protected, followed 292 by the block containing the saftl partition table. This is probably 293 typical. 294 295config MTD_NAND_SHARPSL 296 tristate "Support for NAND Flash on Sharp SL Series (C7xx + others)" 297 depends on ARCH_PXA 298 299config MTD_NAND_CAFE 300 tristate "NAND support for OLPC CAFÉ chip" 301 depends on PCI 302 select REED_SOLOMON 303 select REED_SOLOMON_DEC16 304 help 305 Use NAND flash attached to the CAFÉ chip designed for the OLPC 306 laptop. 307 308config MTD_NAND_CS553X 309 tristate "NAND support for CS5535/CS5536 (AMD Geode companion chip)" 310 depends on X86_32 311 help 312 The CS553x companion chips for the AMD Geode processor 313 include NAND flash controllers with built-in hardware ECC 314 capabilities; enabling this option will allow you to use 315 these. The driver will check the MSRs to verify that the 316 controller is enabled for NAND, and currently requires that 317 the controller be in MMIO mode. 318 319 If you say "m", the module will be called cs553x_nand. 320 321config MTD_NAND_ATMEL 322 tristate "Support for NAND Flash / SmartMedia on AT91 and AVR32" 323 depends on ARCH_AT91 || AVR32 324 help 325 Enables support for NAND Flash / Smart Media Card interface 326 on Atmel AT91 and AVR32 processors. 327 328config MTD_NAND_PXA3xx 329 tristate "NAND support on PXA3xx and Armada 370/XP" 330 depends on PXA3xx || ARCH_MMP || PLAT_ORION 331 help 332 This enables the driver for the NAND flash device found on 333 PXA3xx processors (NFCv1) and also on Armada 370/XP (NFCv2). 334 335config MTD_NAND_SLC_LPC32XX 336 tristate "NXP LPC32xx SLC Controller" 337 depends on ARCH_LPC32XX 338 help 339 Enables support for NXP's LPC32XX SLC (i.e. for Single Level Cell 340 chips) NAND controller. This is the default for the PHYTEC 3250 341 reference board which contains a NAND256R3A2CZA6 chip. 342 343 Please check the actual NAND chip connected and its support 344 by the SLC NAND controller. 345 346config MTD_NAND_MLC_LPC32XX 347 tristate "NXP LPC32xx MLC Controller" 348 depends on ARCH_LPC32XX 349 help 350 Uses the LPC32XX MLC (i.e. for Multi Level Cell chips) NAND 351 controller. This is the default for the WORK92105 controller 352 board. 353 354 Please check the actual NAND chip connected and its support 355 by the MLC NAND controller. 356 357config MTD_NAND_CM_X270 358 tristate "Support for NAND Flash on CM-X270 modules" 359 depends on MACH_ARMCORE 360 361config MTD_NAND_PASEMI 362 tristate "NAND support for PA Semi PWRficient" 363 depends on PPC_PASEMI 364 help 365 Enables support for NAND Flash interface on PA Semi PWRficient 366 based boards 367 368config MTD_NAND_TMIO 369 tristate "NAND Flash device on Toshiba Mobile IO Controller" 370 depends on MFD_TMIO 371 help 372 Support for NAND flash connected to a Toshiba Mobile IO 373 Controller in some PDAs, including the Sharp SL6000x. 374 375config MTD_NAND_NANDSIM 376 tristate "Support for NAND Flash Simulator" 377 help 378 The simulator may simulate various NAND flash chips for the 379 MTD nand layer. 380 381config MTD_NAND_GPMI_NAND 382 tristate "GPMI NAND Flash Controller driver" 383 depends on MTD_NAND && MXS_DMA 384 help 385 Enables NAND Flash support for IMX23, IMX28 or IMX6. 386 The GPMI controller is very powerful, with the help of BCH 387 module, it can do the hardware ECC. The GPMI supports several 388 NAND flashs at the same time. The GPMI may conflicts with other 389 block, such as SD card. So pay attention to it when you enable 390 the GPMI. 391 392config MTD_NAND_BCM47XXNFLASH 393 tristate "Support for NAND flash on BCM4706 BCMA bus" 394 depends on BCMA_NFLASH 395 help 396 BCMA bus can have various flash memories attached, they are 397 registered by bcma as platform devices. This enables driver for 398 NAND flash memories. For now only BCM4706 is supported. 399 400config MTD_NAND_PLATFORM 401 tristate "Support for generic platform NAND driver" 402 depends on HAS_IOMEM 403 help 404 This implements a generic NAND driver for on-SOC platform 405 devices. You will need to provide platform-specific functions 406 via platform_data. 407 408config MTD_NAND_ORION 409 tristate "NAND Flash support for Marvell Orion SoC" 410 depends on PLAT_ORION 411 help 412 This enables the NAND flash controller on Orion machines. 413 414 No board specific support is done by this driver, each board 415 must advertise a platform_device for the driver to attach. 416 417config MTD_NAND_FSL_ELBC 418 tristate "NAND support for Freescale eLBC controllers" 419 depends on PPC_OF 420 select FSL_LBC 421 help 422 Various Freescale chips, including the 8313, include a NAND Flash 423 Controller Module with built-in hardware ECC capabilities. 424 Enabling this option will enable you to use this to control 425 external NAND devices. 426 427config MTD_NAND_FSL_IFC 428 tristate "NAND support for Freescale IFC controller" 429 depends on MTD_NAND && FSL_SOC 430 select FSL_IFC 431 select MEMORY 432 help 433 Various Freescale chips e.g P1010, include a NAND Flash machine 434 with built-in hardware ECC capabilities. 435 Enabling this option will enable you to use this to control 436 external NAND devices. 437 438config MTD_NAND_FSL_UPM 439 tristate "Support for NAND on Freescale UPM" 440 depends on PPC_83xx || PPC_85xx 441 select FSL_LBC 442 help 443 Enables support for NAND Flash chips wired onto Freescale PowerPC 444 processor localbus with User-Programmable Machine support. 445 446config MTD_NAND_MPC5121_NFC 447 tristate "MPC5121 built-in NAND Flash Controller support" 448 depends on PPC_MPC512x 449 help 450 This enables the driver for the NAND flash controller on the 451 MPC5121 SoC. 452 453config MTD_NAND_MXC 454 tristate "MXC NAND support" 455 depends on ARCH_MXC 456 help 457 This enables the driver for the NAND flash controller on the 458 MXC processors. 459 460config MTD_NAND_SH_FLCTL 461 tristate "Support for NAND on Renesas SuperH FLCTL" 462 depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST 463 depends on HAS_IOMEM 464 depends on HAS_DMA 465 help 466 Several Renesas SuperH CPU has FLCTL. This option enables support 467 for NAND Flash using FLCTL. 468 469config MTD_NAND_DAVINCI 470 tristate "Support NAND on DaVinci/Keystone SoC" 471 depends on ARCH_DAVINCI || (ARCH_KEYSTONE && TI_AEMIF) 472 help 473 Enable the driver for NAND flash chips on Texas Instruments 474 DaVinci/Keystone processors. 475 476config MTD_NAND_TXX9NDFMC 477 tristate "NAND Flash support for TXx9 SoC" 478 depends on SOC_TX4938 || SOC_TX4939 479 help 480 This enables the NAND flash controller on the TXx9 SoCs. 481 482config MTD_NAND_SOCRATES 483 tristate "Support for NAND on Socrates board" 484 depends on SOCRATES 485 help 486 Enables support for NAND Flash chips wired onto Socrates board. 487 488config MTD_NAND_NUC900 489 tristate "Support for NAND on Nuvoton NUC9xx/w90p910 evaluation boards." 490 depends on ARCH_W90X900 491 help 492 This enables the driver for the NAND Flash on evaluation board based 493 on w90p910 / NUC9xx. 494 495config MTD_NAND_JZ4740 496 tristate "Support for JZ4740 SoC NAND controller" 497 depends on MACH_JZ4740 498 help 499 Enables support for NAND Flash on JZ4740 SoC based boards. 500 501config MTD_NAND_FSMC 502 tristate "Support for NAND on ST Micros FSMC" 503 depends on PLAT_SPEAR || ARCH_NOMADIK || ARCH_U8500 || MACH_U300 504 help 505 Enables support for NAND Flash chips on the ST Microelectronics 506 Flexible Static Memory Controller (FSMC) 507 508config MTD_NAND_XWAY 509 tristate "Support for NAND on Lantiq XWAY SoC" 510 depends on LANTIQ && SOC_TYPE_XWAY 511 select MTD_NAND_PLATFORM 512 help 513 Enables support for NAND Flash chips on Lantiq XWAY SoCs. NAND is attached 514 to the External Bus Unit (EBU). 515 516endif # MTD_NAND 517