drivers/ide/Kconfig

   1 #
   2 # IDE ATA ATAPI Block device driver configuration
   3 #
   4 # Andre Hedrick <andre@linux-ide.org>
   5 #
   6
   7 menuconfig IDE
   8         tristate "ATA/ATAPI/MFM/RLL support"
   9         depends on BLOCK
  10         depends on HAS_IOMEM
  11         ---help---
  12           If you say Y here, your kernel will be able to manage low cost mass
  13           storage units such as ATA/(E)IDE and ATAPI units. The most common
  14           cases are IDE hard drives and ATAPI CD-ROM drives.
  15
  16           If your system is pure SCSI and doesn't use these interfaces, you
  17           can say N here.
  18
  19           Integrated Disk Electronics (IDE aka ATA-1) is a connecting standard
  20           for mass storage units such as hard disks. It was designed by
  21           Western Digital and Compaq Computer in 1984. It was then named
  22           ST506. Quite a number of disks use the IDE interface.
  23
  24           AT Attachment (ATA) is the superset of the IDE specifications.
  25           ST506 was also called ATA-1.
  26
  27           Fast-IDE is ATA-2 (also named Fast ATA), Enhanced IDE (EIDE) is
  28           ATA-3. It provides support for larger disks (up to 8.4GB by means of
  29           the LBA standard), more disks (4 instead of 2) and for other mass
  30           storage units such as tapes and cdrom. UDMA/33 (aka UltraDMA/33) is
  31           ATA-4 and provides faster (and more CPU friendly) transfer modes
  32           than previous PIO (Programmed processor Input/Output) from previous
  33           ATA/IDE standards by means of fast DMA controllers.
  34
  35           ATA Packet Interface (ATAPI) is a protocol used by EIDE tape and
  36           CD-ROM drives, similar in many respects to the SCSI protocol.
  37
  38           SMART IDE (Self Monitoring, Analysis and Reporting Technology) was
  39           designed in order to prevent data corruption and disk crash by
  40           detecting pre hardware failure conditions (heat, access time, and
  41           the like...). Disks built since June 1995 may follow this standard.
  42           The kernel itself doesn't manage this; however there are quite a
  43           number of user programs such as smart that can query the status of
  44           SMART parameters from disk drives.
  45
  46           To compile this driver as a module, choose M here: the
  47           module will be called ide.
  48
  49           For further information, please read <file:Documentation/ide.txt>.
  50
  51           If unsure, say Y.
  52
  53 if IDE
  54
  55 config IDE_MAX_HWIFS
  56         int "Max IDE interfaces"
  57         depends on ALPHA || SUPERH || IA64 || EMBEDDED
  58         range 1 10
  59         default 4
  60         help
  61           This is the maximum number of IDE hardware interfaces that will
  62           be supported by the driver. Make sure it is at least as high as
  63           the number of IDE interfaces in your system.
  64
  65 config BLK_DEV_IDE
  66         tristate "Enhanced IDE/MFM/RLL disk/cdrom/tape/floppy support"
  67         ---help---
  68           If you say Y here, you will use the full-featured IDE driver to
  69           control up to ten ATA/IDE interfaces, each being able to serve a
  70           "master" and a "slave" device, for a total of up to twenty ATA/IDE
  71           disk/cdrom/tape/floppy drives.
  72
  73           Useful information about large (>540 MB) IDE disks, multiple
  74           interfaces, what to do if ATA/IDE devices are not automatically
  75           detected, sound card ATA/IDE ports, module support, and other
  76           topics, is contained in <file:Documentation/ide.txt>. For detailed
  77           information about hard drives, consult the Disk-HOWTO and the
  78           Multi-Disk-HOWTO, available from
  79           <http://www.tldp.org/docs.html#howto>.
  80
  81           To fine-tune ATA/IDE drive/interface parameters for improved
  82           performance, look for the hdparm package at
  83           <ftp://ibiblio.org/pub/Linux/system/hardware/>.
  84
  85           To compile this driver as a module, choose M here and read
  86           <file:Documentation/ide.txt>. The module will be called ide-mod.
  87           Do not compile this driver as a module if your root file system (the
  88           one containing the directory /) is located on an IDE device.
  89
  90           If you have one or more IDE drives, say Y or M here. If your system
  91           has no IDE drives, or if memory requirements are really tight, you
  92           could say N here, and select the "Old hard disk driver" below
  93           instead to save about 13 KB of memory in the kernel.
  94
  95 if BLK_DEV_IDE
  96
  97 comment "Please see Documentation/ide.txt for help/info on IDE drives"
  98
  99 config BLK_DEV_IDE_SATA
 100         bool "Support for SATA (deprecated; conflicts with libata SATA driver)"
 101         default n
 102         ---help---
 103           There are two drivers for Serial ATA controllers.
 104
 105           The main driver, "libata", uses the SCSI subsystem
 106           and supports most modern SATA controllers. In order to use it
 107           you may take a look at "Serial ATA (prod) and Parallel ATA
 108           (experimental) drivers".
 109
 110           The IDE driver (which you are currently configuring) supports
 111           a few first-generation SATA controllers.
 112
 113           In order to eliminate conflicts between the two subsystems,
 114           this config option enables the IDE driver's SATA support.
 115           Normally this is disabled, as it is preferred that libata
 116           supports SATA controllers, and this (IDE) driver supports
 117           PATA controllers.
 118
 119           If unsure, say N.
 120
 121 config BLK_DEV_HD_IDE
 122         bool "Use old disk-only driver on primary interface"
 123         depends on (X86 || SH_MPC1211)
 124         ---help---
 125           There are two drivers for MFM/RLL/IDE disks.  Most people use just
 126           the new enhanced driver by itself.  This option however installs the
 127           old hard disk driver to control the primary IDE/disk interface in
 128           the system, leaving the new enhanced IDE driver to take care of only
 129           the 2nd/3rd/4th IDE interfaces.  Doing this will prevent you from
 130           having an IDE/ATAPI CD-ROM or tape drive connected to the primary
 131           IDE interface.  Choosing this option may be useful for older systems
 132           which have MFM/RLL/ESDI controller+drives at the primary port
 133           address (0x1f0), along with IDE drives at the secondary/3rd/4th port
 134           addresses.
 135
 136           Normally, just say N here; you will then use the new driver for all
 137           4 interfaces.
 138
 139 config BLK_DEV_IDEDISK
 140         tristate "Include IDE/ATA-2 DISK support"
 141         ---help---
 142           This will include enhanced support for MFM/RLL/IDE hard disks.  If
 143           you have a MFM/RLL/IDE disk, and there is no special reason to use
 144           the old hard disk driver instead, say Y.  If you have an SCSI-only
 145           system, you can say N here.
 146
 147           To compile this driver as a module, choose M here: the
 148           module will be called ide-disk.
 149           Do not compile this driver as a module if your root file system
 150           (the one containing the directory /) is located on the IDE disk.
 151
 152           If unsure, say Y.
 153
 154 config IDEDISK_MULTI_MODE
 155         bool "Use multiple sector mode for Programmed Input/Output by default"
 156         help
 157           This setting is irrelevant for most IDE disks, with direct memory
 158           access, to which multiple sector mode does not apply. Multiple sector
 159           mode is a feature of most modern IDE hard drives, permitting the
 160           transfer of multiple sectors per Programmed Input/Output interrupt,
 161           rather than the usual one sector per interrupt. When this feature is
 162           enabled, it can reduce operating system overhead for disk Programmed
 163           Input/Output. On some systems, it also can increase the data
 164           throughput of Programmed Input/Output. Some drives, however, seemed
 165           to run slower with multiple sector mode enabled. Some drives claimed
 166           to support multiple sector mode, but lost data at some settings.
 167           Under rare circumstances, such failures could result in massive
 168           filesystem corruption.
 169
 170           If you get the following error, try to say Y here:
 171
 172           hda: set_multmode: status=0x51 { DriveReady SeekComplete Error }
 173           hda: set_multmode: error=0x04 { DriveStatusError }
 174
 175           If in doubt, say N.
 176
 177 config BLK_DEV_IDECS
 178         tristate "PCMCIA IDE support"
 179         depends on PCMCIA
 180         help
 181           Support for Compact Flash cards, outboard IDE disks, tape drives,
 182           and CD-ROM drives connected through a PCMCIA card.
 183
 184 config BLK_DEV_DELKIN
 185         tristate "Cardbus IDE support (Delkin/ASKA/Workbit)"
 186         depends on CARDBUS && PCI
 187         help
 188           Support for Delkin, ASKA, and Workbit Cardbus CompactFlash
 189           Adapters.  This may also work for similar SD and XD adapters.
 190
 191 config BLK_DEV_IDECD
 192         tristate "Include IDE/ATAPI CDROM support"
 193         ---help---
 194           If you have a CD-ROM drive using the ATAPI protocol, say Y. ATAPI is
 195           a newer protocol used by IDE CD-ROM and TAPE drives, similar to the
 196           SCSI protocol. Most new CD-ROM drives use ATAPI, including the
 197           NEC-260, Mitsumi FX400, Sony 55E, and just about all non-SCSI
 198           double(2X) or better speed drives.
 199
 200           If you say Y here, the CD-ROM drive will be identified at boot time
 201           along with other IDE devices, as "hdb" or "hdc", or something
 202           similar (check the boot messages with dmesg). If this is your only
 203           CD-ROM drive, you can say N to all other CD-ROM options, but be sure
 204           to say Y or M to "ISO 9660 CD-ROM file system support".
 205
 206           To compile this driver as a module, choose M here: the
 207           module will be called ide-cd.
 208
 209 config BLK_DEV_IDECD_VERBOSE_ERRORS
 210         bool "Verbose error logging for IDE/ATAPI CDROM driver" if EMBEDDED
 211         depends on BLK_DEV_IDECD
 212         default y
 213         help
 214           Turn this on to have the driver print out the meanings of the
 215           ATAPI error codes.  This will use up additional 8kB of kernel-space
 216           memory, though.
 217
 218 config BLK_DEV_IDETAPE
 219         tristate "Include IDE/ATAPI TAPE support"
 220         help
 221           If you have an IDE tape drive using the ATAPI protocol, say Y.
 222           ATAPI is a newer protocol used by IDE tape and CD-ROM drives,
 223           similar to the SCSI protocol.  If you have an SCSI tape drive
 224           however, you can say N here.
 225
 226           You should also say Y if you have an OnStream DI-30 tape drive; this
 227           will not work with the SCSI protocol, until there is support for the
 228           SC-30 and SC-50 versions.
 229
 230           If you say Y here, the tape drive will be identified at boot time
 231           along with other IDE devices, as "hdb" or "hdc", or something
 232           similar, and will be mapped to a character device such as "ht0"
 233           (check the boot messages with dmesg).  Be sure to consult the
 234           <file:drivers/ide/ide-tape.c> and <file:Documentation/ide.txt> files
 235           for usage information.
 236
 237           To compile this driver as a module, choose M here: the
 238           module will be called ide-tape.
 239
 240 config BLK_DEV_IDEFLOPPY
 241         tristate "Include IDE/ATAPI FLOPPY support"
 242         ---help---
 243           If you have an IDE floppy drive which uses the ATAPI protocol,
 244           answer Y.  ATAPI is a newer protocol used by IDE CD-ROM/tape/floppy
 245           drives, similar to the SCSI protocol.
 246
 247           The LS-120 and the IDE/ATAPI Iomega ZIP drive are also supported by
 248           this driver. For information about jumper settings and the question
 249           of when a ZIP drive uses a partition table, see
 250           <http://www.win.tue.nl/~aeb/linux/zip/zip-1.html>.
 251           (ATAPI PD-CD/CDR drives are not supported by this driver; support
 252           for PD-CD/CDR drives is available if you answer Y to
 253           "SCSI emulation support", below).
 254
 255           If you say Y here, the FLOPPY drive will be identified along with
 256           other IDE devices, as "hdb" or "hdc", or something similar (check
 257           the boot messages with dmesg).
 258
 259           To compile this driver as a module, choose M here: the
 260           module will be called ide-floppy.
 261
 262 config BLK_DEV_IDESCSI
 263         tristate "SCSI emulation support"
 264         depends on SCSI
 265         ---help---
 266           WARNING: ide-scsi is no longer needed for cd writing applications!
 267           The 2.6 kernel supports direct writing to ide-cd, which eliminates
 268           the need for ide-scsi + the entire scsi stack just for writing a
 269           cd. The new method is more efficient in every way.
 270
 271           This will provide SCSI host adapter emulation for IDE ATAPI devices,
 272           and will allow you to use a SCSI device driver instead of a native
 273           ATAPI driver.
 274
 275           This is useful if you have an ATAPI device for which no native
 276           driver has been written (for example, an ATAPI PD-CD drive);
 277           you can then use this emulation together with an appropriate SCSI
 278           device driver. In order to do this, say Y here and to "SCSI support"
 279           and "SCSI generic support", below. You must then provide the kernel
 280           command line "hdx=ide-scsi" (try "man bootparam" or see the
 281           documentation of your boot loader (lilo or loadlin) about how to
 282           pass options to the kernel at boot time) for devices if you want the
 283           native EIDE sub-drivers to skip over the native support, so that
 284           this SCSI emulation can be used instead.
 285
 286           Note that this option does NOT allow you to attach SCSI devices to a
 287           box that doesn't have a SCSI host adapter installed.
 288
 289           If both this SCSI emulation and native ATAPI support are compiled
 290           into the kernel, the native support will be used.
 291
 292 config BLK_DEV_IDEACPI
 293         bool "IDE ACPI support"
 294         depends on ACPI
 295         ---help---
 296           Implement ACPI support for generic IDE devices. On modern
 297           machines ACPI support is required to properly handle ACPI S3 states.
 298
 299 config IDE_TASK_IOCTL
 300         bool "IDE Taskfile Access"
 301         help
 302           This is a direct raw access to the media.  It is a complex but
 303           elegant solution to test and validate the domain of the hardware and
 304           perform below the driver data recovery if needed.  This is the most
 305           basic form of media-forensics.
 306
 307           If you are unsure, say N here.
 308
 309 config IDE_PROC_FS
 310         bool "legacy /proc/ide/ support"
 311         depends on IDE && PROC_FS
 312         default y
 313         help
 314           This option enables support for the various files in
 315           /proc/ide.  In Linux 2.6 this has been superseded by
 316           files in sysfs but many legacy applications rely on this.
 317
 318           If unsure say Y.
 319
 320 comment "IDE chipset support/bugfixes"
 321
 322 config IDE_GENERIC
 323         tristate "generic/default IDE chipset support"
 324         help
 325           If unsure, say N.
 326
 327 config BLK_DEV_PLATFORM
 328         tristate "Platform driver for IDE interfaces"
 329         help
 330           This is the platform IDE driver, used mostly for Memory Mapped
 331           IDE devices, like Compact Flashes running in True IDE mode.
 332
 333           If unsure, say N.
 334
 335 config BLK_DEV_CMD640
 336         tristate "CMD640 chipset bugfix/support"
 337         depends on X86
 338         ---help---
 339           The CMD-Technologies CMD640 IDE chip is used on many common 486 and
 340           Pentium motherboards, usually in combination with a "Neptune" or
 341           "SiS" chipset. Unfortunately, it has a number of rather nasty
 342           design flaws that can cause severe data corruption under many common
 343           conditions. Say Y here to include code which tries to automatically
 344           detect and correct the problems under Linux. This option also
 345           enables access to the secondary IDE ports in some CMD640 based
 346           systems.
 347
 348           This driver will work automatically in PCI based systems (most new
 349           systems have PCI slots). But if your system uses VESA local bus
 350           (VLB) instead of PCI, you must also supply a kernel boot parameter
 351           to enable the CMD640 bugfix/support: "ide0=cmd640_vlb". (Try "man
 352           bootparam" or see the documentation of your boot loader about how to
 353           pass options to the kernel.)
 354
 355           The CMD640 chip is also used on add-in cards by Acculogic, and on
 356           the "CSA-6400E PCI to IDE controller" that some people have. For
 357           details, read <file:Documentation/ide.txt>.
 358
 359 config BLK_DEV_CMD640_ENHANCED
 360         bool "CMD640 enhanced support"
 361         depends on BLK_DEV_CMD640
 362         help
 363           This option includes support for setting/autotuning PIO modes and
 364           prefetch on CMD640 IDE interfaces.  For details, read
 365           <file:Documentation/ide.txt>. If you have a CMD640 IDE interface
 366           and your BIOS does not already do this for you, then say Y here.
 367           Otherwise say N.
 368
 369 config BLK_DEV_IDEPNP
 370         tristate "PNP EIDE support"
 371         depends on PNP
 372         help
 373           If you have a PnP (Plug and Play) compatible EIDE card and
 374           would like the kernel to automatically detect and activate
 375           it, say Y here.
 376
 377 if PCI
 378
 379 comment "PCI IDE chipsets support"
 380
 381 config BLK_DEV_IDEPCI
 382         bool
 383
 384 config IDEPCI_PCIBUS_ORDER
 385         bool "Probe IDE PCI devices in the PCI bus order (DEPRECATED)"
 386         depends on BLK_DEV_IDE=y && BLK_DEV_IDEPCI
 387         default y
 388         help
 389           Probe IDE PCI devices in the order in which they appear on the
 390           PCI bus (i.e. 00:1f.1 PCI device before 02:01.0 PCI device)
 391           instead of the order in which IDE PCI host drivers are loaded.
 392
 393           Please note that this method of assuring stable naming of
 394           IDE devices is unreliable and use other means for achieving
 395           it (i.e. udev).
 396
 397           If in doubt, say N.
 398
 399 # TODO: split it on per host driver config options (or module parameters)
 400 config BLK_DEV_OFFBOARD
 401         bool "Boot off-board chipsets first support (DEPRECATED)"
 402         depends on BLK_DEV_IDEPCI && (BLK_DEV_AEC62XX || BLK_DEV_GENERIC || BLK_DEV_HPT34X || BLK_DEV_HPT366 || BLK_DEV_PDC202XX_NEW || BLK_DEV_PDC202XX_OLD || BLK_DEV_TC86C001)
 403         help
 404           Normally, IDE controllers built into the motherboard (on-board
 405           controllers) are assigned to ide0 and ide1 while those on add-in PCI
 406           cards (off-board controllers) are relegated to ide2 and ide3.
 407           Answering Y here will allow you to reverse the situation, with
 408           off-board controllers on ide0/1 and on-board controllers on ide2/3.
 409           This can improve the usability of some boot managers such as lilo
 410           when booting from a drive on an off-board controller.
 411
 412           If you say Y here, and you actually want to reverse the device scan
 413           order as explained above, you also need to issue the kernel command
 414           line option "ide=reverse". (Try "man bootparam" or see the
 415           documentation of your boot loader (lilo or loadlin) about how to
 416           pass options to the kernel at boot time.)
 417
 418           Note that, if you do this, the order of the hd* devices will be
 419           rearranged which may require modification of fstab and other files.
 420
 421           Please also note that this method of assuring stable naming of
 422           IDE devices is unreliable and use other means for achieving it
 423           (i.e. udev).
 424
 425           If in doubt, say N.
 426
 427 config BLK_DEV_GENERIC
 428         tristate "Generic PCI IDE Chipset Support"
 429         select BLK_DEV_IDEPCI
 430         help
 431           This option provides generic support for various PCI IDE Chipsets
 432           which otherwise might not be supported.
 433
 434 config BLK_DEV_OPTI621
 435         tristate "OPTi 82C621 chipset enhanced support (EXPERIMENTAL)"
 436         depends on EXPERIMENTAL
 437         select BLK_DEV_IDEPCI
 438         help
 439           This is a driver for the OPTi 82C621 EIDE controller.
 440           Please read the comments at the top of <file:drivers/ide/pci/opti621.c>.
 441
 442 config BLK_DEV_RZ1000
 443         tristate "RZ1000 chipset bugfix/support"
 444         depends on X86
 445         select BLK_DEV_IDEPCI
 446         help
 447           The PC-Technologies RZ1000 IDE chip is used on many common 486 and
 448           Pentium motherboards, usually along with the "Neptune" chipset.
 449           Unfortunately, it has a rather nasty design flaw that can cause
 450           severe data corruption under many conditions. Say Y here to include
 451           code which automatically detects and corrects the problem under
 452           Linux. This may slow disk throughput by a few percent, but at least
 453           things will operate 100% reliably.
 454
 455 config BLK_DEV_IDEDMA_PCI
 456         bool
 457         select BLK_DEV_IDEPCI
 458
 459 config BLK_DEV_AEC62XX
 460         tristate "AEC62XX chipset support"
 461         select BLK_DEV_IDEDMA_PCI
 462         help
 463           This driver adds explicit support for Acard AEC62xx (Artop ATP8xx)
 464           IDE controllers. This allows the kernel to change PIO, DMA and UDMA
 465           speeds and to configure the chip to optimum performance.
 466
 467 config BLK_DEV_ALI15X3
 468         tristate "ALI M15x3 chipset support"
 469         select BLK_DEV_IDEDMA_PCI
 470         help
 471           This driver ensures (U)DMA support for ALI 1533, 1543 and 1543C
 472           onboard chipsets.  It also tests for Simplex mode and enables
 473           normal dual channel support.
 474
 475           If you say Y here, you also need to say Y to "Use DMA by default
 476           when available", above.  Please read the comments at the top of
 477           <file:drivers/ide/pci/alim15x3.c>.
 478
 479           If unsure, say N.
 480
 481 config WDC_ALI15X3
 482         bool "ALI M15x3 WDC support (DANGEROUS)"
 483         depends on BLK_DEV_ALI15X3
 484         ---help---
 485           This allows for UltraDMA support for WDC drives that ignore CRC
 486           checking. You are a fool for enabling this option, but there have
 487           been requests. DO NOT COMPLAIN IF YOUR DRIVE HAS FS CORRUPTION, IF
 488           YOU ENABLE THIS! No one will listen, just laugh for ignoring this
 489           SERIOUS WARNING.
 490
 491           Using this option can allow WDC drives to run at ATA-4/5 transfer
 492           rates with only an ATA-2 support structure.
 493
 494           SAY N!
 495
 496 config BLK_DEV_AMD74XX
 497         tristate "AMD and nVidia IDE support"
 498         depends on !ARM
 499         select BLK_DEV_IDEDMA_PCI
 500         help
 501           This driver adds explicit support for AMD-7xx and AMD-8111 chips
 502           and also for the nVidia nForce chip.  This allows the kernel to
 503           change PIO, DMA and UDMA speeds and to configure the chip to
 504           optimum performance.
 505
 506 config BLK_DEV_ATIIXP
 507         tristate "ATI IXP chipset IDE support"
 508         depends on X86
 509         select BLK_DEV_IDEDMA_PCI
 510         help
 511           This driver adds explicit support for ATI IXP chipset.
 512           This allows the kernel to change PIO, DMA and UDMA speeds
 513           and to configure the chip to optimum performance.
 514
 515           Say Y here if you have an ATI IXP chipset IDE controller.
 516
 517 config BLK_DEV_CMD64X
 518         tristate "CMD64{3|6|8|9} chipset support"
 519         select BLK_DEV_IDEDMA_PCI
 520         help
 521           Say Y here if you have an IDE controller which uses any of these
 522           chipsets: CMD643, CMD646, or CMD648.
 523
 524 config BLK_DEV_TRIFLEX
 525         tristate "Compaq Triflex IDE support"
 526         select BLK_DEV_IDEDMA_PCI
 527         help
 528           Say Y here if you have a Compaq Triflex IDE controller, such
 529           as those commonly found on Compaq Pentium-Pro systems
 530
 531 config BLK_DEV_CY82C693
 532         tristate "CY82C693 chipset support"
 533         select BLK_DEV_IDEDMA_PCI
 534         help
 535           This driver adds detection and support for the CY82C693 chipset
 536           used on Digital's PC-Alpha 164SX boards.
 537
 538           If you say Y here, you need to say Y to "Use DMA by default
 539           when available" as well.
 540
 541 config BLK_DEV_CS5520
 542         tristate "Cyrix CS5510/20 MediaGX chipset support (VERY EXPERIMENTAL)"
 543         depends on EXPERIMENTAL
 544         select BLK_DEV_IDEDMA_PCI
 545         help
 546           Include support for PIO tuning and virtual DMA on the Cyrix MediaGX
 547           5510/5520 chipset. This will automatically be detected and
 548           configured if found.
 549
 550           It is safe to say Y to this question.
 551
 552 config BLK_DEV_CS5530
 553         tristate "Cyrix/National Semiconductor CS5530 MediaGX chipset support"
 554         select BLK_DEV_IDEDMA_PCI
 555         help
 556           Include support for UDMA on the Cyrix MediaGX 5530 chipset. This
 557           will automatically be detected and configured if found.
 558
 559           It is safe to say Y to this question.
 560
 561 config BLK_DEV_CS5535
 562         tristate "AMD CS5535 chipset support"
 563         depends on X86 && !X86_64
 564         select BLK_DEV_IDEDMA_PCI
 565         help
 566           Include support for UDMA on the NSC/AMD CS5535 companion chipset.
 567           This will automatically be detected and configured if found.
 568
 569           It is safe to say Y to this question.
 570
 571 config BLK_DEV_HPT34X
 572         tristate "HPT34X chipset support"
 573         select BLK_DEV_IDEDMA_PCI
 574         help
 575           This driver adds up to 4 more EIDE devices sharing a single
 576           interrupt. The HPT343 chipset in its current form is a non-bootable
 577           controller; the HPT345/HPT363 chipset is a bootable (needs BIOS FIX)
 578           PCI UDMA controllers. This driver requires dynamic tuning of the
 579           chipset during the ide-probe at boot time. It is reported to support
 580           DVD II drives, by the manufacturer.
 581
 582 config HPT34X_AUTODMA
 583         bool "HPT34X AUTODMA support (EXPERIMENTAL)"
 584         depends on BLK_DEV_HPT34X && EXPERIMENTAL
 585         help
 586           This is a dangerous thing to attempt currently! Please read the
 587           comments at the top of <file:drivers/ide/pci/hpt34x.c>.  If you say Y
 588           here, then say Y to "Use DMA by default when available" as well.
 589
 590           If unsure, say N.
 591
 592 config BLK_DEV_HPT366
 593         tristate "HPT36X/37X chipset support"
 594         select BLK_DEV_IDEDMA_PCI
 595         help
 596           HPT366 is an Ultra DMA chipset for ATA-66.
 597           HPT368 is an Ultra DMA chipset for ATA-66 RAID Based.
 598           HPT370 is an Ultra DMA chipset for ATA-100.
 599           HPT372 is an Ultra DMA chipset for ATA-100.
 600           HPT374 is an Ultra DMA chipset for ATA-100.
 601
 602           This driver adds up to 4 more EIDE devices sharing a single
 603           interrupt.
 604
 605           The HPT366 chipset in its current form is bootable. One solution
 606           for this problem are special LILO commands for redirecting the
 607           reference to device 0x80. The other solution is to say Y to "Boot
 608           off-board chipsets first support" (CONFIG_BLK_DEV_OFFBOARD) unless
 609           your mother board has the chipset natively mounted. Regardless one
 610           should use the fore mentioned option and call at LILO or include
 611           "ide=reverse" in LILO's append-line.
 612
 613           This driver requires dynamic tuning of the chipset during the
 614           ide-probe at boot. It is reported to support DVD II drives, by the
 615           manufacturer.
 616
 617 config BLK_DEV_JMICRON
 618         tristate "JMicron JMB36x support"
 619         select BLK_DEV_IDEDMA_PCI
 620         help
 621           Basic support for the JMicron ATA controllers. For full support
 622           use the libata drivers.
 623
 624 config BLK_DEV_SC1200
 625         tristate "National SCx200 chipset support"
 626         select BLK_DEV_IDEDMA_PCI
 627         help
 628           This driver adds support for the on-board IDE controller on the
 629           National SCx200 series of embedded x86 "Geode" systems.
 630
 631 config BLK_DEV_PIIX
 632         tristate "Intel PIIXn chipsets support"
 633         select BLK_DEV_IDEDMA_PCI
 634         help
 635           This driver adds explicit support for Intel PIIX and ICH chips
 636           and also for the Efar Victory66 (slc90e66) chip.  This allows
 637           the kernel to change PIO, DMA and UDMA speeds and to configure
 638           the chip to optimum performance.
 639
 640 config BLK_DEV_IT8213
 641         tristate "IT8213 IDE support"
 642         select BLK_DEV_IDEDMA_PCI
 643         help
 644          This driver adds support for the ITE 8213 IDE controller.
 645
 646 config BLK_DEV_IT821X
 647         tristate "IT821X IDE support"
 648         select BLK_DEV_IDEDMA_PCI
 649         help
 650           This driver adds support for the ITE 8211 IDE controller and the
 651           IT 8212 IDE RAID controller in both RAID and pass-through mode.
 652
 653 config BLK_DEV_NS87415
 654         tristate "NS87415 chipset support"
 655         select BLK_DEV_IDEDMA_PCI
 656         help
 657           This driver adds detection and support for the NS87415 chip
 658           (used mainly on SPARC64 and PA-RISC machines).
 659
 660           Please read the comments at the top of <file:drivers/ide/pci/ns87415.c>.
 661
 662 config BLK_DEV_PDC202XX_OLD
 663         tristate "PROMISE PDC202{46|62|65|67} support"
 664         select BLK_DEV_IDEDMA_PCI
 665         help
 666           Promise Ultra33 or PDC20246
 667           Promise Ultra66 or PDC20262
 668           Promise Ultra100 or PDC20265/PDC20267/PDC20268
 669
 670           This driver adds up to 4 more EIDE devices sharing a single
 671           interrupt. This add-on card is a bootable PCI UDMA controller. Since
 672           multiple cards can be installed and there are BIOS ROM problems that
 673           happen if the BIOS revisions of all installed cards (three-max) do
 674           not match, the driver attempts to do dynamic tuning of the chipset
 675           at boot-time for max-speed.  Ultra33 BIOS 1.25 or newer is required
 676           for more than one card. This card may require that you say Y to
 677           "Special UDMA Feature".
 678
 679           If you say Y here, you need to say Y to "Use DMA by default when
 680           available" as well.
 681
 682           Please read the comments at the top of
 683           <file:drivers/ide/pci/pdc202xx_old.c>.
 684
 685           If unsure, say N.
 686
 687 config PDC202XX_BURST
 688         bool "Special UDMA Feature"
 689         depends on BLK_DEV_PDC202XX_OLD
 690         help
 691           This option causes the pdc202xx driver to enable UDMA modes on the
 692           PDC202xx even when the PDC202xx BIOS has not done so.
 693
 694           It was originally designed for the PDC20246/Ultra33, whose BIOS will
 695           only setup UDMA on the first two PDC20246 cards.  It has also been
 696           used successfully on a PDC20265/Ultra100, allowing use of UDMA modes
 697           when the PDC20265 BIOS has been disabled (for faster boot up).
 698
 699           Please read the comments at the top of
 700           <file:drivers/ide/pci/pdc202xx_old.c>.
 701
 702           If unsure, say N.
 703
 704 config BLK_DEV_PDC202XX_NEW
 705         tristate "PROMISE PDC202{68|69|70|71|75|76|77} support"
 706         select BLK_DEV_IDEDMA_PCI
 707
 708 config BLK_DEV_SVWKS
 709         tristate "ServerWorks OSB4/CSB5/CSB6 chipsets support"
 710         select BLK_DEV_IDEDMA_PCI
 711         help
 712           This driver adds PIO/(U)DMA support for the ServerWorks OSB4/CSB5
 713           chipsets.
 714
 715 config BLK_DEV_SGIIOC4
 716         tristate "Silicon Graphics IOC4 chipset ATA/ATAPI support"
 717         depends on (IA64_SGI_SN2 || IA64_GENERIC) && SGI_IOC4
 718         select BLK_DEV_IDEDMA_PCI
 719         help
 720           This driver adds PIO & MultiMode DMA-2 support for the SGI IOC4
 721           chipset, which has one channel and can support two devices.
 722           Please say Y here if you have an Altix System from SGI.
 723
 724 config BLK_DEV_SIIMAGE
 725         tristate "Silicon Image chipset support"
 726         select BLK_DEV_IDEDMA_PCI
 727         help
 728           This driver adds PIO/(U)DMA support for the SI CMD680 and SII
 729           3112 (Serial ATA) chips.
 730
 731 config BLK_DEV_SIS5513
 732         tristate "SiS5513 chipset support"
 733         depends on X86
 734         select BLK_DEV_IDEDMA_PCI
 735         help
 736           This driver ensures (U)DMA support for SIS5513 chipset family based
 737           mainboards.
 738
 739           The following chipsets are supported:
 740           ATA16:  SiS5511, SiS5513
 741           ATA33:  SiS5591, SiS5597, SiS5598, SiS5600
 742           ATA66:  SiS530, SiS540, SiS620, SiS630, SiS640
 743           ATA100: SiS635, SiS645, SiS650, SiS730, SiS735, SiS740,
 744           SiS745, SiS750
 745
 746           If you say Y here, you need to say Y to "Use DMA by default when
 747           available" as well.
 748
 749           Please read the comments at the top of <file:drivers/ide/pci/sis5513.c>.
 750
 751 config BLK_DEV_SL82C105
 752         tristate "Winbond SL82c105 support"
 753         depends on (PPC || ARM)
 754         select BLK_DEV_IDEDMA_PCI
 755         help
 756           If you have a Winbond SL82c105 IDE controller, say Y here to enable
 757           special configuration for this chip. This is common on various CHRP
 758           motherboards, but could be used elsewhere. If in doubt, say Y.
 759
 760 config BLK_DEV_SLC90E66
 761         tristate "SLC90E66 chipset support"
 762         select BLK_DEV_IDEDMA_PCI
 763         help
 764           This driver ensures (U)DMA support for Victory66 SouthBridges for
 765           SMsC with Intel NorthBridges.  This is an Ultra66 based chipset.
 766           The nice thing about it is that you can mix Ultra/DMA/PIO devices
 767           and it will handle timing cycles.  Since this is an improved
 768           look-a-like to the PIIX4 it should be a nice addition.
 769
 770           If you say Y here, you need to say Y to "Use DMA by default when
 771           available" as well.
 772
 773           Please read the comments at the top of
 774           <file:drivers/ide/pci/slc90e66.c>.
 775
 776 config BLK_DEV_TRM290
 777         tristate "Tekram TRM290 chipset support"
 778         select BLK_DEV_IDEDMA_PCI
 779         help
 780           This driver adds support for bus master DMA transfers
 781           using the Tekram TRM290 PCI IDE chip. Volunteers are
 782           needed for further tweaking and development.
 783           Please read the comments at the top of <file:drivers/ide/pci/trm290.c>.
 784
 785 config BLK_DEV_VIA82CXXX
 786         tristate "VIA82CXXX chipset support"
 787         select BLK_DEV_IDEDMA_PCI
 788         help
 789           This driver adds explicit support for VIA BusMastering IDE chips.
 790           This allows the kernel to change PIO, DMA and UDMA speeds and to
 791           configure the chip to optimum performance.
 792
 793 config BLK_DEV_TC86C001
 794         tristate "Toshiba TC86C001 support"
 795         select BLK_DEV_IDEDMA_PCI
 796         help
 797         This driver adds support for Toshiba TC86C001 GOKU-S chip.
 798
 799 config BLK_DEV_CELLEB
 800         tristate "Toshiba's Cell Reference Set IDE support"
 801         depends on PPC_CELLEB
 802         select BLK_DEV_IDEDMA_PCI
 803         help
 804           This driver provides support for the on-board IDE controller on
 805           Toshiba Cell Reference Board.
 806           If unsure, say Y.
 807
 808 endif
 809
 810 config BLK_DEV_IDE_PMAC
 811         tristate "PowerMac on-board IDE support"
 812         depends on PPC_PMAC && IDE=y && BLK_DEV_IDE=y
 813         help
 814           This driver provides support for the on-board IDE controller on
 815           most of the recent Apple Power Macintoshes and PowerBooks.
 816           If unsure, say Y.
 817
 818 config BLK_DEV_IDE_PMAC_ATA100FIRST
 819         bool "Probe on-board ATA/100 (Kauai) first"
 820         depends on BLK_DEV_IDE_PMAC
 821         help
 822           This option will cause the ATA/100 controller found in UniNorth2
 823           based machines (Windtunnel PowerMac, Aluminium PowerBooks, ...)
 824           to be probed before the ATA/66 and ATA/33 controllers. Without
 825           these, those machine used to have the hard disk on hdc and the
 826           CD-ROM on hda. This option changes this to more natural hda for
 827           hard disk and hdc for CD-ROM.
 828
 829 config BLK_DEV_IDEDMA_PMAC
 830         bool "PowerMac IDE DMA support"
 831         depends on BLK_DEV_IDE_PMAC
 832         select BLK_DEV_IDEDMA_PCI
 833         help
 834           This option allows the driver for the on-board IDE controller on
 835           Power Macintoshes and PowerBooks to use DMA (direct memory access)
 836           to transfer data to and from memory.  Saying Y is safe and improves
 837           performance.
 838
 839 config BLK_DEV_IDE_SWARM
 840         tristate "IDE for Sibyte evaluation boards"
 841         depends on SIBYTE_SB1xxx_SOC
 842
 843 config BLK_DEV_IDE_AU1XXX
 844        bool "IDE for AMD Alchemy Au1200"
 845        depends on SOC_AU1200
 846 choice
 847        prompt "IDE Mode for AMD Alchemy Au1200"
 848        default CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA
 849        depends on SOC_AU1200 && BLK_DEV_IDE_AU1XXX
 850
 851 config BLK_DEV_IDE_AU1XXX_PIO_DBDMA
 852        bool "PIO+DbDMA IDE for AMD Alchemy Au1200"
 853
 854 config BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
 855        bool "MDMA2+DbDMA IDE for AMD Alchemy Au1200"
 856        depends on SOC_AU1200 && BLK_DEV_IDE_AU1XXX
 857 endchoice
 858
 859 config BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ
 860        int "Maximum transfer size (KB) per request (up to 128)"
 861        default "128"
 862        depends on BLK_DEV_IDE_AU1XXX
 863
 864 config IDE_ARM
 865         tristate "ARM IDE support"
 866         depends on ARM && (ARCH_CLPS7500 || ARCH_RPC || ARCH_SHARK)
 867         default y
 868
 869 config BLK_DEV_IDE_ICSIDE
 870         tristate "ICS IDE interface support"
 871         depends on ARM && ARCH_ACORN
 872         help
 873           On Acorn systems, say Y here if you wish to use the ICS IDE
 874           interface card.  This is not required for ICS partition support.
 875           If you are unsure, say N to this.
 876
 877 config BLK_DEV_IDEDMA_ICS
 878         bool "ICS DMA support"
 879         depends on BLK_DEV_IDE_ICSIDE
 880         help
 881           Say Y here if you want to add DMA (Direct Memory Access) support to
 882           the ICS IDE driver.
 883
 884 config BLK_DEV_IDE_RAPIDE
 885         tristate "RapIDE interface support"
 886         depends on ARM && ARCH_ACORN
 887         help
 888           Say Y here if you want to support the Yellowstone RapIDE controller
 889           manufactured for use with Acorn computers.
 890
 891 config BLK_DEV_IDE_BAST
 892         tristate "Simtec BAST / Thorcom VR1000 IDE support"
 893         depends on ARM && (ARCH_BAST || MACH_VR1000)
 894         help
 895           Say Y here if you want to support the onboard IDE channels on the
 896           Simtec BAST or the Thorcom VR1000
 897
 898 config ETRAX_IDE
 899         tristate "ETRAX IDE support"
 900         depends on CRIS && BROKEN
 901         select BLK_DEV_IDEDMA
 902         help
 903           Enables the ETRAX IDE driver.
 904
 905           You can't use parallel ports or SCSI ports at the same time.
 906
 907 config ETRAX_IDE_DELAY
 908         int "Delay for drives to regain consciousness"
 909         depends on ETRAX_IDE && ETRAX_ARCH_V10
 910         default 15
 911         help
 912           Number of seconds to wait for IDE drives to spin up after an IDE
 913           reset.
 914
 915 choice
 916         prompt "IDE reset pin"
 917         depends on ETRAX_IDE && ETRAX_ARCH_V10
 918         default ETRAX_IDE_PB7_RESET
 919
 920 config ETRAX_IDE_PB7_RESET
 921         bool "Port_PB_Bit_7"
 922         help
 923           IDE reset on pin 7 on port B
 924
 925 config ETRAX_IDE_G27_RESET
 926         bool "Port_G_Bit_27"
 927         help
 928           IDE reset on pin 27 on port G
 929
 930 endchoice
 931
 932 config IDE_H8300
 933         tristate "H8300 IDE support"
 934         depends on H8300
 935         default y
 936         help
 937           Enables the H8300 IDE driver.
 938
 939 config BLK_DEV_GAYLE
 940         tristate "Amiga Gayle IDE interface support"
 941         depends on AMIGA
 942         help
 943           This is the IDE driver for the Amiga Gayle IDE interface. It supports
 944           both the `A1200 style' and `A4000 style' of the Gayle IDE interface,
 945           This includes on-board IDE interfaces on some Amiga models (A600,
 946           A1200, A4000, and A4000T), and IDE interfaces on the Zorro expansion
 947           bus (M-Tech E-Matrix 530 expansion card).
 948           Say Y if you have an Amiga with a Gayle IDE interface and want to use
 949           IDE devices (hard disks, CD-ROM drives, etc.) that are connected to
 950           it.
 951           Note that you also have to enable Zorro bus support if you want to
 952           use Gayle IDE interfaces on the Zorro expansion bus.
 953
 954 config BLK_DEV_IDEDOUBLER
 955         bool "Amiga IDE Doubler support (EXPERIMENTAL)"
 956         depends on BLK_DEV_GAYLE && EXPERIMENTAL
 957         ---help---
 958           This driver provides support for the so-called `IDE doublers' (made
 959           by various manufacturers, e.g. Eyetech) that can be connected to
 960           the on-board IDE interface of some Amiga models. Using such an IDE
 961           doubler, you can connect up to four instead of two IDE devices to
 962           the Amiga's on-board IDE interface.
 963
 964           Note that the normal Amiga Gayle IDE driver may not work correctly
 965           if you have an IDE doubler and don't enable this driver!
 966
 967           Say Y if you have an IDE doubler.  The driver is enabled at kernel
 968           runtime using the "ide=doubler" kernel boot parameter.
 969
 970 config BLK_DEV_BUDDHA
 971         tristate "Buddha/Catweasel/X-Surf IDE interface support (EXPERIMENTAL)"
 972         depends on ZORRO && EXPERIMENTAL
 973         help
 974           This is the IDE driver for the IDE interfaces on the Buddha, Catweasel
 975           and X-Surf expansion boards.  It supports up to two interfaces on the
 976           Buddha, three on the Catweasel and two on the X-Surf.
 977
 978           Say Y if you have a Buddha or Catweasel expansion board and want to
 979           use IDE devices (hard disks, CD-ROM drives, etc.) that are connected
 980           to one of its IDE interfaces.
 981
 982 config BLK_DEV_FALCON_IDE
 983         tristate "Falcon IDE interface support"
 984         depends on ATARI
 985         help
 986           This is the IDE driver for the on-board IDE interface on the Atari
 987           Falcon. Say Y if you have a Falcon and want to use IDE devices (hard
 988           disks, CD-ROM drives, etc.) that are connected to the on-board IDE
 989           interface.
 990
 991 config BLK_DEV_MAC_IDE
 992         tristate "Macintosh Quadra/Powerbook IDE interface support"
 993         depends on MAC
 994         help
 995           This is the IDE driver for the on-board IDE interface on some m68k
 996           Macintosh models. It supports both the `Quadra style' (used in
 997           Quadra/ Centris 630 and Performa 588 models) and `Powerbook style'
 998           (used in the Powerbook 150 and 190 models) IDE interface.
 999
1000           Say Y if you have such an Macintosh model and want to use IDE
1001           devices (hard disks, CD-ROM drives, etc.) that are connected to the
1002           on-board IDE interface.
1003
1004 config BLK_DEV_Q40IDE
1005         tristate "Q40/Q60 IDE interface support"
1006         depends on Q40
1007         help
1008           Enable the on-board IDE controller in the Q40/Q60.  This should
1009           normally be on; disable it only if you are running a custom hard
1010           drive subsystem through an expansion card.
1011
1012 config BLK_DEV_PALMCHIP_BK3710
1013         tristate "Palmchip bk3710 IDE controller support"
1014         depends on ARCH_DAVINCI
1015         select BLK_DEV_IDEDMA_PCI
1016         help
1017           Say Y here if you want to support the onchip IDE controller on the
1018           TI DaVinci SoC
1019
1020
1021 config BLK_DEV_MPC8xx_IDE
1022         tristate "MPC8xx IDE support"
1023         depends on 8xx && (LWMON || IVMS8 || IVML24 || TQM8xxL) && IDE=y && BLK_DEV_IDE=y && !PPC_MERGE
1024         help
1025           This option provides support for IDE on Motorola MPC8xx Systems.
1026           Please see 'Type of MPC8xx IDE interface' for details.
1027
1028           If unsure, say N.
1029
1030 choice
1031         prompt "Type of MPC8xx IDE interface"
1032         depends on BLK_DEV_MPC8xx_IDE
1033         default IDE_8xx_PCCARD
1034
1035 config IDE_8xx_PCCARD
1036         bool "8xx_PCCARD"
1037         ---help---
1038           Select how the IDE devices are connected to the MPC8xx system:
1039
1040           8xx_PCCARD uses the 8xx internal PCMCIA interface in combination
1041           with a PC Card (e.g. ARGOSY portable Hard Disk Adapter),
1042           ATA PC Card HDDs or ATA PC Flash Cards (example: TQM8xxL
1043           systems)
1044
1045           8xx_DIRECT is used for directly connected IDE devices using the 8xx
1046           internal PCMCIA interface (example: IVMS8 systems)
1047
1048           EXT_DIRECT is used for IDE devices directly connected to the 8xx
1049           bus using some glue logic, but _not_ the 8xx internal
1050           PCMCIA interface (example: IDIF860 systems)
1051
1052 config IDE_8xx_DIRECT
1053         bool "8xx_DIRECT"
1054
1055 config IDE_EXT_DIRECT
1056         bool "EXT_DIRECT"
1057
1058 endchoice
1059
1060 # no isa -> no vlb
1061 if ISA
1062
1063 comment "Other IDE chipsets support"
1064 comment "Note: most of these also require special kernel boot parameters"
1065
1066 config BLK_DEV_4DRIVES
1067         bool "Generic 4 drives/port support"
1068         help
1069           Certain older chipsets, including the Tekram 690CD, use a single set
1070           of I/O ports at 0x1f0 to control up to four drives, instead of the
1071           customary two drives per port. Support for this can be enabled at
1072           runtime using the "ide0=four" kernel boot parameter if you say Y
1073           here.
1074
1075 config BLK_DEV_ALI14XX
1076         tristate "ALI M14xx support"
1077         help
1078           This driver is enabled at runtime using the "ali14xx.probe" kernel
1079           boot parameter.  It enables support for the secondary IDE interface
1080           of the ALI M1439/1443/1445/1487/1489 chipsets, and permits faster
1081           I/O speeds to be set as well.  See the files
1082           <file:Documentation/ide.txt> and <file:drivers/ide/legacy/ali14xx.c>
1083           for more info.
1084
1085 config BLK_DEV_DTC2278
1086         tristate "DTC-2278 support"
1087         help
1088           This driver is enabled at runtime using the "dtc2278.probe" kernel
1089           boot parameter. It enables support for the secondary IDE interface
1090           of the DTC-2278 card, and permits faster I/O speeds to be set as
1091           well. See the <file:Documentation/ide.txt> and
1092           <file:drivers/ide/legacy/dtc2278.c> files for more info.
1093
1094 config BLK_DEV_HT6560B
1095         tristate "Holtek HT6560B support"
1096         help
1097           This driver is enabled at runtime using the "ht6560b.probe" kernel
1098           boot parameter. It enables support for the secondary IDE interface
1099           of the Holtek card, and permits faster I/O speeds to be set as well.
1100           See the <file:Documentation/ide.txt> and
1101           <file:drivers/ide/legacy/ht6560b.c> files for more info.
1102
1103 config BLK_DEV_QD65XX
1104         tristate "QDI QD65xx support"
1105         help
1106           This driver is enabled at runtime using the "qd65xx.probe" kernel
1107           boot parameter.  It permits faster I/O speeds to be set.  See the
1108           <file:Documentation/ide.txt> and <file:drivers/ide/legacy/qd65xx.c>
1109           for more info.
1110
1111 config BLK_DEV_UMC8672
1112         tristate "UMC-8672 support"
1113         help
1114           This driver is enabled at runtime using the "umc8672.probe" kernel
1115           boot parameter. It enables support for the secondary IDE interface
1116           of the UMC-8672, and permits faster I/O speeds to be set as well.
1117           See the files <file:Documentation/ide.txt> and
1118           <file:drivers/ide/legacy/umc8672.c> for more info.
1119
1120 endif
1121
1122 config BLK_DEV_IDEDMA
1123         def_bool BLK_DEV_IDEDMA_PCI || BLK_DEV_IDEDMA_PMAC || BLK_DEV_IDEDMA_ICS || BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
1124
1125 config IDE_ARCH_OBSOLETE_INIT
1126         def_bool ALPHA || (ARM && !ARCH_L7200) || BLACKFIN || X86 || IA64 || M32R || MIPS || PARISC || PPC || (SUPERH64 && BLK_DEV_IDEPCI) || SPARC
1127
1128 endif
1129
1130 config BLK_DEV_HD_ONLY
1131         bool "Old hard disk (MFM/RLL/IDE) driver"
1132         depends on BLK_DEV_IDE=n
1133         help
1134           There are two drivers for MFM/RLL/IDE hard disks. Most people use
1135           the newer enhanced driver, but this old one is still around for two
1136           reasons. Some older systems have strange timing problems and seem to
1137           work only with the old driver (which itself does not work with some
1138           newer systems). The other reason is that the old driver is smaller,
1139           since it lacks the enhanced functionality of the new one. This makes
1140           it a good choice for systems with very tight memory restrictions, or
1141           for systems with only older MFM/RLL/ESDI drives. Choosing the old
1142           driver can save 13 KB or so of kernel memory.
1143
1144           If you are unsure, then just choose the Enhanced IDE/MFM/RLL driver
1145           instead of this one. For more detailed information, read the
1146           Disk-HOWTO, available from
1147           <http://www.tldp.org/docs.html#howto>.
1148
1149 config BLK_DEV_HD
1150         def_bool BLK_DEV_HD_IDE || BLK_DEV_HD_ONLY
1151
1152 endif # IDE