arch/m68k/Kconfig

   1 #
   2 # For a description of the syntax of this configuration file,
   3 # see Documentation/kbuild/kconfig-language.txt.
   4 #
   5 config M68K
   6         bool
   7         default y
   8         select HAVE_AOUT
   9         select HAVE_IDE
  10         select GENERIC_ATOMIC64
  11
  12 config MMU
  13         bool
  14         default y
  15
  16 config RWSEM_GENERIC_SPINLOCK
  17         bool
  18         default y
  19
  20 config RWSEM_XCHGADD_ALGORITHM
  21         bool
  22
  23 config ARCH_HAS_ILOG2_U32
  24         bool
  25         default n
  26
  27 config ARCH_HAS_ILOG2_U64
  28         bool
  29         default n
  30
  31 config GENERIC_HWEIGHT
  32         bool
  33         default y
  34
  35 config GENERIC_CALIBRATE_DELAY
  36         bool
  37         default y
  38
  39 config TIME_LOW_RES
  40         bool
  41         default y
  42
  43 config GENERIC_IOMAP
  44         bool
  45         default y
  46
  47 config ARCH_MAY_HAVE_PC_FDC
  48         bool
  49         depends on BROKEN && (Q40 || SUN3X)
  50         default y
  51
  52 config NO_IOPORT
  53         def_bool y
  54
  55 config NO_DMA
  56         def_bool SUN3
  57
  58 config HZ
  59         int
  60         default 100
  61
  62 config GENERIC_TIME
  63         def_bool y
  64
  65 config ARCH_USES_GETTIMEOFFSET
  66         def_bool y
  67
  68 mainmenu "Linux/68k Kernel Configuration"
  69
  70 source "init/Kconfig"
  71
  72 source "kernel/Kconfig.freezer"
  73
  74 menu "Platform dependent setup"
  75
  76 config EISA
  77         bool
  78         ---help---
  79           The Extended Industry Standard Architecture (EISA) bus was
  80           developed as an open alternative to the IBM MicroChannel bus.
  81
  82           The EISA bus provided some of the features of the IBM MicroChannel
  83           bus while maintaining backward compatibility with cards made for
  84           the older ISA bus.  The EISA bus saw limited use between 1988 and
  85           1995 when it was made obsolete by the PCI bus.
  86
  87           Say Y here if you are building a kernel for an EISA-based machine.
  88
  89           Otherwise, say N.
  90
  91 config MCA
  92         bool
  93         help
  94           MicroChannel Architecture is found in some IBM PS/2 machines and
  95           laptops.  It is a bus system similar to PCI or ISA. See
  96           <file:Documentation/mca.txt> (and especially the web page given
  97           there) before attempting to build an MCA bus kernel.
  98
  99 config PCMCIA
 100         tristate
 101         ---help---
 102           Say Y here if you want to attach PCMCIA- or PC-cards to your Linux
 103           computer.  These are credit-card size devices such as network cards,
 104           modems or hard drives often used with laptops computers.  There are
 105           actually two varieties of these cards: the older 16 bit PCMCIA cards
 106           and the newer 32 bit CardBus cards.  If you want to use CardBus
 107           cards, you need to say Y here and also to "CardBus support" below.
 108
 109           To use your PC-cards, you will need supporting software from David
 110           Hinds' pcmcia-cs package (see the file <file:Documentation/Changes>
 111           for location).  Please also read the PCMCIA-HOWTO, available from
 112           <http://www.tldp.org/docs.html#howto>.
 113
 114           To compile this driver as modules, choose M here: the
 115           modules will be called pcmcia_core and ds.
 116
 117 config AMIGA
 118         bool "Amiga support"
 119         select MMU_MOTOROLA if MMU
 120         help
 121           This option enables support for the Amiga series of computers. If
 122           you plan to use this kernel on an Amiga, say Y here and browse the
 123           material available in <file:Documentation/m68k>; otherwise say N.
 124
 125 config ATARI
 126         bool "Atari support"
 127         select MMU_MOTOROLA if MMU
 128         help
 129           This option enables support for the 68000-based Atari series of
 130           computers (including the TT, Falcon and Medusa). If you plan to use
 131           this kernel on an Atari, say Y here and browse the material
 132           available in <file:Documentation/m68k>; otherwise say N.
 133
 134 config MAC
 135         bool "Macintosh support"
 136         select MMU_MOTOROLA if MMU
 137         help
 138           This option enables support for the Apple Macintosh series of
 139           computers (yes, there is experimental support now, at least for part
 140           of the series).
 141
 142           Say N unless you're willing to code the remaining necessary support.
 143           ;)
 144
 145 config NUBUS
 146         bool
 147         depends on MAC
 148         default y
 149
 150 config M68K_L2_CACHE
 151         bool
 152         depends on MAC
 153         default y
 154
 155 config APOLLO
 156         bool "Apollo support"
 157         select MMU_MOTOROLA if MMU
 158         help
 159           Say Y here if you want to run Linux on an MC680x0-based Apollo
 160           Domain workstation such as the DN3500.
 161
 162 config VME
 163         bool "VME (Motorola and BVM) support"
 164         select MMU_MOTOROLA if MMU
 165         help
 166           Say Y here if you want to build a kernel for a 680x0 based VME
 167           board.  Boards currently supported include Motorola boards MVME147,
 168           MVME162, MVME166, MVME167, MVME172, and MVME177.  BVME4000 and
 169           BVME6000 boards from BVM Ltd are also supported.
 170
 171 config MVME147
 172         bool "MVME147 support"
 173         depends on VME
 174         help
 175           Say Y to include support for early Motorola VME boards.  This will
 176           build a kernel which can run on MVME147 single-board computers.  If
 177           you select this option you will have to select the appropriate
 178           drivers for SCSI, Ethernet and serial ports later on.
 179
 180 config MVME16x
 181         bool "MVME162, 166 and 167 support"
 182         depends on VME
 183         help
 184           Say Y to include support for Motorola VME boards.  This will build a
 185           kernel which can run on MVME162, MVME166, MVME167, MVME172, and
 186           MVME177 boards.  If you select this option you will have to select
 187           the appropriate drivers for SCSI, Ethernet and serial ports later
 188           on.
 189
 190 config BVME6000
 191         bool "BVME4000 and BVME6000 support"
 192         depends on VME
 193         help
 194           Say Y to include support for VME boards from BVM Ltd.  This will
 195           build a kernel which can run on BVME4000 and BVME6000 boards.  If
 196           you select this option you will have to select the appropriate
 197           drivers for SCSI, Ethernet and serial ports later on.
 198
 199 config HP300
 200         bool "HP9000/300 and HP9000/400 support"
 201         select MMU_MOTOROLA if MMU
 202         help
 203           This option enables support for the HP9000/300 and HP9000/400 series
 204           of workstations. Support for these machines is still somewhat
 205           experimental. If you plan to try to use the kernel on such a machine
 206           say Y here.
 207           Everybody else says N.
 208
 209 config DIO
 210         bool "DIO bus support"
 211         depends on HP300
 212         default y
 213         help
 214           Say Y here to enable support for the "DIO" expansion bus used in
 215           HP300 machines. If you are using such a system you almost certainly
 216           want this.
 217
 218 config SUN3X
 219         bool "Sun3x support"
 220         select MMU_MOTOROLA if MMU
 221         select M68030
 222         help
 223           This option enables support for the Sun 3x series of workstations.
 224           Be warned that this support is very experimental.
 225           Note that Sun 3x kernels are not compatible with Sun 3 hardware.
 226           General Linux information on the Sun 3x series (now discontinued)
 227           is at <http://www.angelfire.com/ca2/tech68k/sun3.html>.
 228
 229           If you don't want to compile a kernel for a Sun 3x, say N.
 230
 231 config Q40
 232         bool "Q40/Q60 support"
 233         select MMU_MOTOROLA if MMU
 234         help
 235           The Q40 is a Motorola 68040-based successor to the Sinclair QL
 236           manufactured in Germany.  There is an official Q40 home page at
 237           <http://www.q40.de/>.  This option enables support for the Q40 and
 238           Q60. Select your CPU below.  For 68LC060 don't forget to enable FPU
 239           emulation.
 240
 241 config SUN3
 242         bool "Sun3 support"
 243         depends on !MMU_MOTOROLA
 244         select MMU_SUN3 if MMU
 245         select M68020
 246         help
 247           This option enables support for the Sun 3 series of workstations
 248           (3/50, 3/60, 3/1xx, 3/2xx systems). Enabling this option requires
 249           that all other hardware types must be disabled, as Sun 3 kernels
 250           are incompatible with all other m68k targets (including Sun 3x!).
 251
 252           If you don't want to compile a kernel exclusively for a Sun 3, say N.
 253
 254 comment "Processor type"
 255
 256 config M68020
 257         bool "68020 support"
 258         help
 259           If you anticipate running this kernel on a computer with a MC68020
 260           processor, say Y. Otherwise, say N. Note that the 68020 requires a
 261           68851 MMU (Memory Management Unit) to run Linux/m68k, except on the
 262           Sun 3, which provides its own version.
 263
 264 config M68030
 265         bool "68030 support"
 266         depends on !MMU_SUN3
 267         help
 268           If you anticipate running this kernel on a computer with a MC68030
 269           processor, say Y. Otherwise, say N. Note that a MC68EC030 will not
 270           work, as it does not include an MMU (Memory Management Unit).
 271
 272 config M68040
 273         bool "68040 support"
 274         depends on !MMU_SUN3
 275         help
 276           If you anticipate running this kernel on a computer with a MC68LC040
 277           or MC68040 processor, say Y. Otherwise, say N. Note that an
 278           MC68EC040 will not work, as it does not include an MMU (Memory
 279           Management Unit).
 280
 281 config M68060
 282         bool "68060 support"
 283         depends on !MMU_SUN3
 284         help
 285           If you anticipate running this kernel on a computer with a MC68060
 286           processor, say Y. Otherwise, say N.
 287
 288 config MMU_MOTOROLA
 289         bool
 290
 291 config MMU_SUN3
 292         bool
 293         depends on MMU && !MMU_MOTOROLA
 294
 295 config M68KFPU_EMU
 296         bool "Math emulation support (EXPERIMENTAL)"
 297         depends on EXPERIMENTAL
 298         help
 299           At some point in the future, this will cause floating-point math
 300           instructions to be emulated by the kernel on machines that lack a
 301           floating-point math coprocessor.  Thrill-seekers and chronically
 302           sleep-deprived psychotic hacker types can say Y now, everyone else
 303           should probably wait a while.
 304
 305 config M68KFPU_EMU_EXTRAPREC
 306         bool "Math emulation extra precision"
 307         depends on M68KFPU_EMU
 308         help
 309           The fpu uses normally a few bit more during calculations for
 310           correct rounding, the emulator can (often) do the same but this
 311           extra calculation can cost quite some time, so you can disable
 312           it here. The emulator will then "only" calculate with a 64 bit
 313           mantissa and round slightly incorrect, what is more than enough
 314           for normal usage.
 315
 316 config M68KFPU_EMU_ONLY
 317         bool "Math emulation only kernel"
 318         depends on M68KFPU_EMU
 319         help
 320           This option prevents any floating-point instructions from being
 321           compiled into the kernel, thereby the kernel doesn't save any
 322           floating point context anymore during task switches, so this
 323           kernel will only be usable on machines without a floating-point
 324           math coprocessor. This makes the kernel a bit faster as no tests
 325           needs to be executed whether a floating-point instruction in the
 326           kernel should be executed or not.
 327
 328 config ADVANCED
 329         bool "Advanced configuration options"
 330         ---help---
 331           This gives you access to some advanced options for the CPU. The
 332           defaults should be fine for most users, but these options may make
 333           it possible for you to improve performance somewhat if you know what
 334           you are doing.
 335
 336           Note that the answer to this question won't directly affect the
 337           kernel: saying N will just cause the configurator to skip all
 338           the questions about these options.
 339
 340           Most users should say N to this question.
 341
 342 config RMW_INSNS
 343         bool "Use read-modify-write instructions"
 344         depends on ADVANCED
 345         ---help---
 346           This allows to use certain instructions that work with indivisible
 347           read-modify-write bus cycles. While this is faster than the
 348           workaround of disabling interrupts, it can conflict with DMA
 349           ( = direct memory access) on many Amiga systems, and it is also said
 350           to destabilize other machines. It is very likely that this will
 351           cause serious problems on any Amiga or Atari Medusa if set. The only
 352           configuration where it should work are 68030-based Ataris, where it
 353           apparently improves performance. But you've been warned! Unless you
 354           really know what you are doing, say N. Try Y only if you're quite
 355           adventurous.
 356
 357 config SINGLE_MEMORY_CHUNK
 358         bool "Use one physical chunk of memory only" if ADVANCED && !SUN3
 359         default y if SUN3
 360         select NEED_MULTIPLE_NODES
 361         help
 362           Ignore all but the first contiguous chunk of physical memory for VM
 363           purposes.  This will save a few bytes kernel size and may speed up
 364           some operations.  Say N if not sure.
 365
 366 config 060_WRITETHROUGH
 367         bool "Use write-through caching for 68060 supervisor accesses"
 368         depends on ADVANCED && M68060
 369         ---help---
 370           The 68060 generally uses copyback caching of recently accessed data.
 371           Copyback caching means that memory writes will be held in an on-chip
 372           cache and only written back to memory some time later.  Saying Y
 373           here will force supervisor (kernel) accesses to use writethrough
 374           caching.  Writethrough caching means that data is written to memory
 375           straight away, so that cache and memory data always agree.
 376           Writethrough caching is less efficient, but is needed for some
 377           drivers on 68060 based systems where the 68060 bus snooping signal
 378           is hardwired on.  The 53c710 SCSI driver is known to suffer from
 379           this problem.
 380
 381 config ARCH_DISCONTIGMEM_ENABLE
 382         def_bool !SINGLE_MEMORY_CHUNK
 383
 384 config NODES_SHIFT
 385         int
 386         default "3"
 387         depends on !SINGLE_MEMORY_CHUNK
 388
 389 source "mm/Kconfig"
 390
 391 endmenu
 392
 393 menu "General setup"
 394
 395 source "fs/Kconfig.binfmt"
 396
 397 config ZORRO
 398         bool "Amiga Zorro (AutoConfig) bus support"
 399         depends on AMIGA
 400         help
 401           This enables support for the Zorro bus in the Amiga. If you have
 402           expansion cards in your Amiga that conform to the Amiga
 403           AutoConfig(tm) specification, say Y, otherwise N. Note that even
 404           expansion cards that do not fit in the Zorro slots but fit in e.g.
 405           the CPU slot may fall in this category, so you have to say Y to let
 406           Linux use these.
 407
 408 config AMIGA_PCMCIA
 409         bool "Amiga 1200/600 PCMCIA support (EXPERIMENTAL)"
 410         depends on AMIGA && EXPERIMENTAL
 411         help
 412           Include support in the kernel for pcmcia on Amiga 1200 and Amiga
 413           600. If you intend to use pcmcia cards say Y; otherwise say N.
 414
 415 config STRAM_PROC
 416         bool "ST-RAM statistics in /proc"
 417         depends on ATARI
 418         help
 419           Say Y here to report ST-RAM usage statistics in /proc/stram.
 420
 421 config HEARTBEAT
 422         bool "Use power LED as a heartbeat" if AMIGA || APOLLO || ATARI || MAC ||Q40
 423         default y if !AMIGA && !APOLLO && !ATARI && !MAC && !Q40 && HP300
 424         help
 425           Use the power-on LED on your machine as a load meter.  The exact
 426           behavior is platform-dependent, but normally the flash frequency is
 427           a hyperbolic function of the 5-minute load average.
 428
 429 # We have a dedicated heartbeat LED. :-)
 430 config PROC_HARDWARE
 431         bool "/proc/hardware support"
 432         help
 433           Say Y here to support the /proc/hardware file, which gives you
 434           access to information about the machine you're running on,
 435           including the model, CPU, MMU, clock speed, BogoMIPS rating,
 436           and memory size.
 437
 438 config ISA
 439         bool
 440         depends on Q40 || AMIGA_PCMCIA || GG2
 441         default y
 442         help
 443           Find out whether you have ISA slots on your motherboard.  ISA is the
 444           name of a bus system, i.e. the way the CPU talks to the other stuff
 445           inside your box.  Other bus systems are PCI, EISA, MicroChannel
 446           (MCA) or VESA.  ISA is an older system, now being displaced by PCI;
 447           newer boards don't support it.  If you have ISA, say Y, otherwise N.
 448
 449 config GENERIC_ISA_DMA
 450         bool
 451         depends on Q40 || AMIGA_PCMCIA || GG2
 452         default y
 453
 454 config ZONE_DMA
 455         bool
 456         default y
 457
 458 source "drivers/pci/Kconfig"
 459
 460 source "drivers/zorro/Kconfig"
 461
 462 endmenu
 463
 464 source "net/Kconfig"
 465
 466 source "drivers/Kconfig"
 467
 468 menu "Character devices"
 469
 470 config ATARI_MFPSER
 471         tristate "Atari MFP serial support"
 472         depends on ATARI
 473         ---help---
 474           If you like to use the MFP serial ports ("Modem1", "Serial1") under
 475           Linux, say Y. The driver equally supports all kinds of MFP serial
 476           ports and automatically detects whether Serial1 is available.
 477
 478           To compile this driver as a module, choose M here.
 479
 480           Note for Falcon users: You also have an MFP port, it's just not
 481           wired to the outside... But you could use the port under Linux.
 482
 483 config ATARI_MIDI
 484         tristate "Atari MIDI serial support"
 485         depends on ATARI
 486         help
 487           If you want to use your Atari's MIDI port in Linux, say Y.
 488
 489           To compile this driver as a module, choose M here.
 490
 491 config ATARI_DSP56K
 492         tristate "Atari DSP56k support (EXPERIMENTAL)"
 493         depends on ATARI && EXPERIMENTAL
 494         help
 495           If you want to be able to use the DSP56001 in Falcons, say Y. This
 496           driver is still experimental, and if you don't know what it is, or
 497           if you don't have this processor, just say N.
 498
 499           To compile this driver as a module, choose M here.
 500
 501 config AMIGA_BUILTIN_SERIAL
 502         tristate "Amiga builtin serial support"
 503         depends on AMIGA
 504         help
 505           If you want to use your Amiga's built-in serial port in Linux,
 506           answer Y.
 507
 508           To compile this driver as a module, choose M here.
 509
 510 config MULTIFACE_III_TTY
 511         tristate "Multiface Card III serial support"
 512         depends on AMIGA
 513         help
 514           If you want to use a Multiface III card's serial port in Linux,
 515           answer Y.
 516
 517           To compile this driver as a module, choose M here.
 518
 519 config GVPIOEXT
 520         tristate "GVP IO-Extender support"
 521         depends on PARPORT=n && ZORRO
 522         help
 523           If you want to use a GVP IO-Extender serial card in Linux, say Y.
 524           Otherwise, say N.
 525
 526 config GVPIOEXT_LP
 527         tristate "GVP IO-Extender parallel printer support"
 528         depends on GVPIOEXT
 529         help
 530           Say Y to enable driving a printer from the parallel port on your
 531           GVP IO-Extender card, N otherwise.
 532
 533 config GVPIOEXT_PLIP
 534         tristate "GVP IO-Extender PLIP support"
 535         depends on GVPIOEXT
 536         help
 537           Say Y to enable doing IP over the parallel port on your GVP
 538           IO-Extender card, N otherwise.
 539
 540 config MAC_HID
 541         bool
 542         depends on INPUT_ADBHID
 543         default y
 544
 545 config HPDCA
 546         tristate "HP DCA serial support"
 547         depends on DIO && SERIAL_8250
 548         help
 549           If you want to use the internal "DCA" serial ports on an HP300
 550           machine, say Y here.
 551
 552 config HPAPCI
 553         tristate "HP APCI serial support"
 554         depends on HP300 && SERIAL_8250 && EXPERIMENTAL
 555         help
 556           If you want to use the internal "APCI" serial ports on an HP400
 557           machine, say Y here.
 558
 559 config MVME147_SCC
 560         bool "SCC support for MVME147 serial ports"
 561         depends on MVME147 && BROKEN
 562         help
 563           This is the driver for the serial ports on the Motorola MVME147
 564           boards.  Everyone using one of these boards should say Y here.
 565
 566 config SERIAL167
 567         bool "CD2401 support for MVME166/7 serial ports"
 568         depends on MVME16x
 569         help
 570           This is the driver for the serial ports on the Motorola MVME166,
 571           167, and 172 boards.  Everyone using one of these boards should say
 572           Y here.
 573
 574 config MVME162_SCC
 575         bool "SCC support for MVME162 serial ports"
 576         depends on MVME16x && BROKEN
 577         help
 578           This is the driver for the serial ports on the Motorola MVME162 and
 579           172 boards.  Everyone using one of these boards should say Y here.
 580
 581 config BVME6000_SCC
 582         bool "SCC support for BVME6000 serial ports"
 583         depends on BVME6000 && BROKEN
 584         help
 585           This is the driver for the serial ports on the BVME4000 and BVME6000
 586           boards from BVM Ltd.  Everyone using one of these boards should say
 587           Y here.
 588
 589 config DN_SERIAL
 590         bool "Support for DN serial port (dummy)"
 591         depends on APOLLO
 592
 593 config SERIAL_CONSOLE
 594         bool "Support for serial port console"
 595         depends on (AMIGA || ATARI || SUN3 || SUN3X || VME || APOLLO) && (ATARI_MFPSER=y || ATARI_MIDI=y || AMIGA_BUILTIN_SERIAL=y || GVPIOEXT=y || MULTIFACE_III_TTY=y || SERIAL=y || MVME147_SCC || SERIAL167 || MVME162_SCC || BVME6000_SCC || DN_SERIAL)
 596         ---help---
 597           If you say Y here, it will be possible to use a serial port as the
 598           system console (the system console is the device which receives all
 599           kernel messages and warnings and which allows logins in single user
 600           mode). This could be useful if some terminal or printer is connected
 601           to that serial port.
 602
 603           Even if you say Y here, the currently visible virtual console
 604           (/dev/tty0) will still be used as the system console by default, but
 605           you can alter that using a kernel command line option such as
 606           "console=ttyS1". (Try "man bootparam" or see the documentation of
 607           your boot loader (lilo or loadlin) about how to pass options to the
 608           kernel at boot time.)
 609
 610           If you don't have a VGA card installed and you say Y here, the
 611           kernel will automatically use the first serial line, /dev/ttyS0, as
 612           system console.
 613
 614           If unsure, say N.
 615
 616 endmenu
 617
 618 source "fs/Kconfig"
 619
 620 source "arch/m68k/Kconfig.debug"
 621
 622 source "security/Kconfig"
 623
 624 source "crypto/Kconfig"
 625
 626 source "lib/Kconfig"