arch/arm/Kconfig

   1 #
   2 # For a description of the syntax of this configuration file,
   3 # see Documentation/kbuild/kconfig-language.txt.
   4 #
   5
   6 mainmenu "Linux Kernel Configuration"
   7
   8 config ARM
   9         bool
  10         default y
  11         select HAVE_AOUT
  12         select HAVE_IDE
  13         select RTC_LIB
  14         select SYS_SUPPORTS_APM_EMULATION
  15         select HAVE_OPROFILE
  16         select HAVE_ARCH_KGDB
  17         select HAVE_KPROBES if (!XIP_KERNEL)
  18         select HAVE_KRETPROBES if (HAVE_KPROBES)
  19         select HAVE_FUNCTION_TRACER if (!XIP_KERNEL)
  20         select HAVE_GENERIC_DMA_COHERENT
  21         help
  22           The ARM series is a line of low-power-consumption RISC chip designs
  23           licensed by ARM Ltd and targeted at embedded applications and
  24           handhelds such as the Compaq IPAQ.  ARM-based PCs are no longer
  25           manufactured, but legacy ARM-based PC hardware remains popular in
  26           Europe.  There is an ARM Linux project with a web page at
  27           <http://www.arm.linux.org.uk/>.
  28
  29 config HAVE_PWM
  30         bool
  31
  32 config SYS_SUPPORTS_APM_EMULATION
  33         bool
  34
  35 config GENERIC_GPIO
  36         bool
  37         default n
  38
  39 config GENERIC_TIME
  40         bool
  41         default n
  42
  43 config GENERIC_CLOCKEVENTS
  44         bool
  45         default n
  46
  47 config GENERIC_CLOCKEVENTS_BROADCAST
  48         bool
  49         depends on GENERIC_CLOCKEVENTS
  50         default y if SMP && !LOCAL_TIMERS
  51
  52 config MMU
  53         bool
  54         default y
  55
  56 config NO_IOPORT
  57         bool
  58         default n
  59
  60 config EISA
  61         bool
  62         ---help---
  63           The Extended Industry Standard Architecture (EISA) bus was
  64           developed as an open alternative to the IBM MicroChannel bus.
  65
  66           The EISA bus provided some of the features of the IBM MicroChannel
  67           bus while maintaining backward compatibility with cards made for
  68           the older ISA bus.  The EISA bus saw limited use between 1988 and
  69           1995 when it was made obsolete by the PCI bus.
  70
  71           Say Y here if you are building a kernel for an EISA-based machine.
  72
  73           Otherwise, say N.
  74
  75 config SBUS
  76         bool
  77
  78 config MCA
  79         bool
  80         help
  81           MicroChannel Architecture is found in some IBM PS/2 machines and
  82           laptops.  It is a bus system similar to PCI or ISA. See
  83           <file:Documentation/mca.txt> (and especially the web page given
  84           there) before attempting to build an MCA bus kernel.
  85
  86 config GENERIC_HARDIRQS
  87         bool
  88         default y
  89
  90 config STACKTRACE_SUPPORT
  91         bool
  92         default y
  93
  94 config HAVE_LATENCYTOP_SUPPORT
  95         bool
  96         depends on !SMP
  97         default y
  98
  99 config LOCKDEP_SUPPORT
 100         bool
 101         default y
 102
 103 config TRACE_IRQFLAGS_SUPPORT
 104         bool
 105         default y
 106
 107 config HARDIRQS_SW_RESEND
 108         bool
 109         default y
 110
 111 config GENERIC_IRQ_PROBE
 112         bool
 113         default y
 114
 115 config GENERIC_LOCKBREAK
 116         bool
 117         default y
 118         depends on SMP && PREEMPT
 119
 120 config RWSEM_GENERIC_SPINLOCK
 121         bool
 122         default y
 123
 124 config RWSEM_XCHGADD_ALGORITHM
 125         bool
 126
 127 config ARCH_HAS_ILOG2_U32
 128         bool
 129         default n
 130
 131 config ARCH_HAS_ILOG2_U64
 132         bool
 133         default n
 134
 135 config GENERIC_HWEIGHT
 136         bool
 137         default y
 138
 139 config GENERIC_CALIBRATE_DELAY
 140         bool
 141         default y
 142
 143 config ARCH_MAY_HAVE_PC_FDC
 144         bool
 145
 146 config ZONE_DMA
 147         bool
 148
 149 config GENERIC_ISA_DMA
 150         bool
 151
 152 config FIQ
 153         bool
 154
 155 config ARCH_MTD_XIP
 156         bool
 157
 158 config GENERIC_HARDIRQS_NO__DO_IRQ
 159         def_bool y
 160
 161 if OPROFILE
 162
 163 config OPROFILE_ARMV6
 164         def_bool y
 165         depends on CPU_V6 && !SMP
 166         select OPROFILE_ARM11_CORE
 167
 168 config OPROFILE_MPCORE
 169         def_bool y
 170         depends on CPU_V6 && SMP
 171         select OPROFILE_ARM11_CORE
 172
 173 config OPROFILE_ARM11_CORE
 174         bool
 175
 176 config OPROFILE_ARMV7
 177         def_bool y
 178         depends on CPU_V7 && !SMP
 179         bool
 180
 181 endif
 182
 183 config VECTORS_BASE
 184         hex
 185         default 0xffff0000 if MMU || CPU_HIGH_VECTOR
 186         default DRAM_BASE if REMAP_VECTORS_TO_RAM
 187         default 0x00000000
 188         help
 189           The base address of exception vectors.
 190
 191 source "init/Kconfig"
 192
 193 source "kernel/Kconfig.freezer"
 194
 195 menu "System Type"
 196
 197 choice
 198         prompt "ARM system type"
 199         default ARCH_VERSATILE
 200
 201 config ARCH_AAEC2000
 202         bool "Agilent AAEC-2000 based"
 203         select CPU_ARM920T
 204         select ARM_AMBA
 205         select HAVE_CLK
 206         help
 207           This enables support for systems based on the Agilent AAEC-2000
 208
 209 config ARCH_INTEGRATOR
 210         bool "ARM Ltd. Integrator family"
 211         select ARM_AMBA
 212         select HAVE_CLK
 213         select COMMON_CLKDEV
 214         select ICST525
 215         help
 216           Support for ARM's Integrator platform.
 217
 218 config ARCH_REALVIEW
 219         bool "ARM Ltd. RealView family"
 220         select ARM_AMBA
 221         select HAVE_CLK
 222         select COMMON_CLKDEV
 223         select ICST307
 224         select GENERIC_TIME
 225         select GENERIC_CLOCKEVENTS
 226         help
 227           This enables support for ARM Ltd RealView boards.
 228
 229 config ARCH_VERSATILE
 230         bool "ARM Ltd. Versatile family"
 231         select ARM_AMBA
 232         select ARM_VIC
 233         select HAVE_CLK
 234         select COMMON_CLKDEV
 235         select ICST307
 236         select GENERIC_TIME
 237         select GENERIC_CLOCKEVENTS
 238         help
 239           This enables support for ARM Ltd Versatile board.
 240
 241 config ARCH_AT91
 242         bool "Atmel AT91"
 243         select GENERIC_GPIO
 244         select HAVE_CLK
 245         help
 246           This enables support for systems based on the Atmel AT91RM9200,
 247           AT91SAM9 and AT91CAP9 processors.
 248
 249 config ARCH_CLPS711X
 250         bool "Cirrus Logic CLPS711x/EP721x-based"
 251         select CPU_ARM720T
 252         help
 253           Support for Cirrus Logic 711x/721x based boards.
 254
 255 config ARCH_EBSA110
 256         bool "EBSA-110"
 257         select CPU_SA110
 258         select ISA
 259         select NO_IOPORT
 260         help
 261           This is an evaluation board for the StrongARM processor available
 262           from Digital. It has limited hardware on-board, including an
 263           Ethernet interface, two PCMCIA sockets, two serial ports and a
 264           parallel port.
 265
 266 config ARCH_EP93XX
 267         bool "EP93xx-based"
 268         select CPU_ARM920T
 269         select ARM_AMBA
 270         select ARM_VIC
 271         select GENERIC_GPIO
 272         select HAVE_CLK
 273         select COMMON_CLKDEV
 274         select ARCH_REQUIRE_GPIOLIB
 275         help
 276           This enables support for the Cirrus EP93xx series of CPUs.
 277
 278 config ARCH_FOOTBRIDGE
 279         bool "FootBridge"
 280         select CPU_SA110
 281         select FOOTBRIDGE
 282         help
 283           Support for systems based on the DC21285 companion chip
 284           ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder.
 285
 286 config ARCH_NETX
 287         bool "Hilscher NetX based"
 288         select CPU_ARM926T
 289         select ARM_VIC
 290         select GENERIC_CLOCKEVENTS
 291         select GENERIC_TIME
 292         help
 293           This enables support for systems based on the Hilscher NetX Soc
 294
 295 config ARCH_H720X
 296         bool "Hynix HMS720x-based"
 297         select CPU_ARM720T
 298         select ISA_DMA_API
 299         help
 300           This enables support for systems based on the Hynix HMS720x
 301
 302 config ARCH_IMX
 303         bool "IMX"
 304         select CPU_ARM920T
 305         select GENERIC_GPIO
 306         select GENERIC_TIME
 307         select GENERIC_CLOCKEVENTS
 308         help
 309           Support for Motorola's i.MX family of processors (MX1, MXL).
 310
 311 config ARCH_IOP13XX
 312         bool "IOP13xx-based"
 313         depends on MMU
 314         select CPU_XSC3
 315         select PLAT_IOP
 316         select PCI
 317         select ARCH_SUPPORTS_MSI
 318         select VMSPLIT_1G
 319         help
 320           Support for Intel's IOP13XX (XScale) family of processors.
 321
 322 config ARCH_IOP32X
 323         bool "IOP32x-based"
 324         depends on MMU
 325         select CPU_XSCALE
 326         select PLAT_IOP
 327         select PCI
 328         select GENERIC_GPIO
 329         select ARCH_REQUIRE_GPIOLIB
 330         help
 331           Support for Intel's 80219 and IOP32X (XScale) family of
 332           processors.
 333
 334 config ARCH_IOP33X
 335         bool "IOP33x-based"
 336         depends on MMU
 337         select CPU_XSCALE
 338         select PLAT_IOP
 339         select PCI
 340         select GENERIC_GPIO
 341         select ARCH_REQUIRE_GPIOLIB
 342         help
 343           Support for Intel's IOP33X (XScale) family of processors.
 344
 345 config ARCH_IXP23XX
 346         bool "IXP23XX-based"
 347         depends on MMU
 348         select CPU_XSC3
 349         select PCI
 350         help
 351           Support for Intel's IXP23xx (XScale) family of processors.
 352
 353 config ARCH_IXP2000
 354         bool "IXP2400/2800-based"
 355         depends on MMU
 356         select CPU_XSCALE
 357         select PCI
 358         help
 359           Support for Intel's IXP2400/2800 (XScale) family of processors.
 360
 361 config ARCH_IXP4XX
 362         bool "IXP4xx-based"
 363         depends on MMU
 364         select CPU_XSCALE
 365         select GENERIC_GPIO
 366         select GENERIC_TIME
 367         select GENERIC_CLOCKEVENTS
 368         select DMABOUNCE if PCI
 369         help
 370           Support for Intel's IXP4XX (XScale) family of processors.
 371
 372 config ARCH_L7200
 373         bool "LinkUp-L7200"
 374         select CPU_ARM720T
 375         select FIQ
 376         help
 377           Say Y here if you intend to run this kernel on a LinkUp Systems
 378           L7200 Software Development Board which uses an ARM720T processor.
 379           Information on this board can be obtained at:
 380
 381           <http://www.linkupsys.com/>
 382
 383           If you have any questions or comments about the Linux kernel port
 384           to this board, send e-mail to <sjhill@cotw.com>.
 385
 386 config ARCH_KIRKWOOD
 387         bool "Marvell Kirkwood"
 388         select CPU_FEROCEON
 389         select PCI
 390         select GENERIC_GPIO
 391         select GENERIC_TIME
 392         select GENERIC_CLOCKEVENTS
 393         select PLAT_ORION
 394         help
 395           Support for the following Marvell Kirkwood series SoCs:
 396           88F6180, 88F6192 and 88F6281.
 397
 398 config ARCH_KS8695
 399         bool "Micrel/Kendin KS8695"
 400         select CPU_ARM922T
 401         select GENERIC_GPIO
 402         select ARCH_REQUIRE_GPIOLIB
 403         help
 404           Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based
 405           System-on-Chip devices.
 406
 407 config ARCH_NS9XXX
 408         bool "NetSilicon NS9xxx"
 409         select CPU_ARM926T
 410         select GENERIC_GPIO
 411         select GENERIC_TIME
 412         select GENERIC_CLOCKEVENTS
 413         select HAVE_CLK
 414         help
 415           Say Y here if you intend to run this kernel on a NetSilicon NS9xxx
 416           System.
 417
 418           <http://www.digi.com/products/microprocessors/index.jsp>
 419
 420 config ARCH_LOKI
 421         bool "Marvell Loki (88RC8480)"
 422         select CPU_FEROCEON
 423         select GENERIC_TIME
 424         select GENERIC_CLOCKEVENTS
 425         select PLAT_ORION
 426         help
 427           Support for the Marvell Loki (88RC8480) SoC.
 428
 429 config ARCH_MV78XX0
 430         bool "Marvell MV78xx0"
 431         select CPU_FEROCEON
 432         select PCI
 433         select GENERIC_GPIO
 434         select GENERIC_TIME
 435         select GENERIC_CLOCKEVENTS
 436         select PLAT_ORION
 437         help
 438           Support for the following Marvell MV78xx0 series SoCs:
 439           MV781x0, MV782x0.
 440
 441 config ARCH_MXC
 442         bool "Freescale MXC/iMX-based"
 443         select GENERIC_TIME
 444         select GENERIC_CLOCKEVENTS
 445         select ARCH_MTD_XIP
 446         select GENERIC_GPIO
 447         select ARCH_REQUIRE_GPIOLIB
 448         help
 449           Support for Freescale MXC/iMX-based family of processors
 450
 451 config ARCH_ORION5X
 452         bool "Marvell Orion"
 453         depends on MMU
 454         select CPU_FEROCEON
 455         select PCI
 456         select GENERIC_GPIO
 457         select GENERIC_TIME
 458         select GENERIC_CLOCKEVENTS
 459         select PLAT_ORION
 460         help
 461           Support for the following Marvell Orion 5x series SoCs:
 462           Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182),
 463           Orion-2 (5281), Orion-1-90 (6183).
 464
 465 config ARCH_PNX4008
 466         bool "Philips Nexperia PNX4008 Mobile"
 467         select CPU_ARM926T
 468         select HAVE_CLK
 469         help
 470           This enables support for Philips PNX4008 mobile platform.
 471
 472 config ARCH_PXA
 473         bool "PXA2xx/PXA3xx-based"
 474         depends on MMU
 475         select ARCH_MTD_XIP
 476         select GENERIC_GPIO
 477         select HAVE_CLK
 478         select COMMON_CLKDEV
 479         select ARCH_REQUIRE_GPIOLIB
 480         select GENERIC_TIME
 481         select GENERIC_CLOCKEVENTS
 482         select TICK_ONESHOT
 483         help
 484           Support for Intel/Marvell's PXA2xx/PXA3xx processor line.
 485
 486 config ARCH_RPC
 487         bool "RiscPC"
 488         select ARCH_ACORN
 489         select FIQ
 490         select TIMER_ACORN
 491         select ARCH_MAY_HAVE_PC_FDC
 492         select HAVE_PATA_PLATFORM
 493         select ISA_DMA_API
 494         select NO_IOPORT
 495         select ARCH_SPARSEMEM_ENABLE
 496         help
 497           On the Acorn Risc-PC, Linux can support the internal IDE disk and
 498           CD-ROM interface, serial and parallel port, and the floppy drive.
 499
 500 config ARCH_SA1100
 501         bool "SA1100-based"
 502         select CPU_SA1100
 503         select ISA
 504         select ARCH_SPARSEMEM_ENABLE
 505         select ARCH_MTD_XIP
 506         select GENERIC_GPIO
 507         select GENERIC_TIME
 508         select GENERIC_CLOCKEVENTS
 509         select HAVE_CLK
 510         select TICK_ONESHOT
 511         select ARCH_REQUIRE_GPIOLIB
 512         help
 513           Support for StrongARM 11x0 based boards.
 514
 515 config ARCH_S3C2410
 516         bool "Samsung S3C2410, S3C2412, S3C2413, S3C2440, S3C2442, S3C2443"
 517         select GENERIC_GPIO
 518         select HAVE_CLK
 519         help
 520           Samsung S3C2410X CPU based systems, such as the Simtec Electronics
 521           BAST (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or
 522           the Samsung SMDK2410 development board (and derivatives).
 523
 524 config ARCH_S3C64XX
 525         bool "Samsung S3C64XX"
 526         select GENERIC_GPIO
 527         select HAVE_CLK
 528         help
 529           Samsung S3C64XX series based systems
 530
 531 config ARCH_SHARK
 532         bool "Shark"
 533         select CPU_SA110
 534         select ISA
 535         select ISA_DMA
 536         select ZONE_DMA
 537         select PCI
 538         help
 539           Support for the StrongARM based Digital DNARD machine, also known
 540           as "Shark" (<http://www.shark-linux.de/shark.html>).
 541
 542 config ARCH_LH7A40X
 543         bool "Sharp LH7A40X"
 544         select CPU_ARM922T
 545         select ARCH_DISCONTIGMEM_ENABLE if !LH7A40X_CONTIGMEM
 546         select ARCH_SPARSEMEM_ENABLE if !LH7A40X_CONTIGMEM
 547         help
 548           Say Y here for systems based on one of the Sharp LH7A40X
 549           System on a Chip processors.  These CPUs include an ARM922T
 550           core with a wide array of integrated devices for
 551           hand-held and low-power applications.
 552
 553 config ARCH_DAVINCI
 554         bool "TI DaVinci"
 555         select CPU_ARM926T
 556         select GENERIC_TIME
 557         select GENERIC_CLOCKEVENTS
 558         select GENERIC_GPIO
 559         select ARCH_REQUIRE_GPIOLIB
 560         select HAVE_CLK
 561         select ZONE_DMA
 562         help
 563           Support for TI's DaVinci platform.
 564
 565 config ARCH_OMAP
 566         bool "TI OMAP"
 567         select GENERIC_GPIO
 568         select HAVE_CLK
 569         select ARCH_REQUIRE_GPIOLIB
 570         select GENERIC_TIME
 571         select GENERIC_CLOCKEVENTS
 572         help
 573           Support for TI's OMAP platform (OMAP1 and OMAP2).
 574
 575 config ARCH_MSM
 576         bool "Qualcomm MSM"
 577         select CPU_V6
 578         select GENERIC_TIME
 579         select GENERIC_CLOCKEVENTS
 580         help
 581           Support for Qualcomm MSM7K based systems.  This runs on the ARM11
 582           apps processor of the MSM7K and depends on a shared memory
 583           interface to the ARM9 modem processor which runs the baseband stack
 584           and controls some vital subsystems (clock and power control, etc).
 585
 586 config ARCH_W90X900
 587         bool "Nuvoton W90X900 CPU"
 588         select CPU_ARM926T
 589         help
 590                 Support for Nuvoton (Winbond logic dept.) ARM9 processor,You
 591                 can login www.mcuos.com or www.nuvoton.com to know more.
 592
 593 endchoice
 594
 595 source "arch/arm/mach-clps711x/Kconfig"
 596
 597 source "arch/arm/mach-ep93xx/Kconfig"
 598
 599 source "arch/arm/mach-footbridge/Kconfig"
 600
 601 source "arch/arm/mach-integrator/Kconfig"
 602
 603 source "arch/arm/mach-iop32x/Kconfig"
 604
 605 source "arch/arm/mach-iop33x/Kconfig"
 606
 607 source "arch/arm/mach-iop13xx/Kconfig"
 608
 609 source "arch/arm/mach-ixp4xx/Kconfig"
 610
 611 source "arch/arm/mach-ixp2000/Kconfig"
 612
 613 source "arch/arm/mach-ixp23xx/Kconfig"
 614
 615 source "arch/arm/mach-loki/Kconfig"
 616
 617 source "arch/arm/mach-mv78xx0/Kconfig"
 618
 619 source "arch/arm/mach-pxa/Kconfig"
 620
 621 source "arch/arm/mach-sa1100/Kconfig"
 622
 623 source "arch/arm/plat-omap/Kconfig"
 624
 625 source "arch/arm/mach-omap1/Kconfig"
 626
 627 source "arch/arm/mach-omap2/Kconfig"
 628
 629 source "arch/arm/mach-orion5x/Kconfig"
 630
 631 source "arch/arm/mach-kirkwood/Kconfig"
 632
 633 source "arch/arm/plat-s3c24xx/Kconfig"
 634 source "arch/arm/plat-s3c64xx/Kconfig"
 635 source "arch/arm/plat-s3c/Kconfig"
 636
 637 if ARCH_S3C2410
 638 source "arch/arm/mach-s3c2400/Kconfig"
 639 source "arch/arm/mach-s3c2410/Kconfig"
 640 source "arch/arm/mach-s3c2412/Kconfig"
 641 source "arch/arm/mach-s3c2440/Kconfig"
 642 source "arch/arm/mach-s3c2442/Kconfig"
 643 source "arch/arm/mach-s3c2443/Kconfig"
 644 endif
 645
 646 if ARCH_S3C64XX
 647 source "arch/arm/mach-s3c6400/Kconfig"
 648 source "arch/arm/mach-s3c6410/Kconfig"
 649 endif
 650
 651 source "arch/arm/mach-lh7a40x/Kconfig"
 652
 653 source "arch/arm/mach-imx/Kconfig"
 654
 655 source "arch/arm/mach-h720x/Kconfig"
 656
 657 source "arch/arm/mach-versatile/Kconfig"
 658
 659 source "arch/arm/mach-aaec2000/Kconfig"
 660
 661 source "arch/arm/mach-realview/Kconfig"
 662
 663 source "arch/arm/mach-at91/Kconfig"
 664
 665 source "arch/arm/plat-mxc/Kconfig"
 666
 667 source "arch/arm/mach-netx/Kconfig"
 668
 669 source "arch/arm/mach-ns9xxx/Kconfig"
 670
 671 source "arch/arm/mach-davinci/Kconfig"
 672
 673 source "arch/arm/mach-ks8695/Kconfig"
 674
 675 source "arch/arm/mach-msm/Kconfig"
 676
 677 source "arch/arm/mach-w90x900/Kconfig"
 678
 679 # Definitions to make life easier
 680 config ARCH_ACORN
 681         bool
 682
 683 config PLAT_IOP
 684         bool
 685
 686 config PLAT_ORION
 687         bool
 688
 689 source arch/arm/mm/Kconfig
 690
 691 config IWMMXT
 692         bool "Enable iWMMXt support"
 693         depends on CPU_XSCALE || CPU_XSC3
 694         default y if PXA27x || PXA3xx
 695         help
 696           Enable support for iWMMXt context switching at run time if
 697           running on a CPU that supports it.
 698
 699 #  bool 'Use XScale PMU as timer source' CONFIG_XSCALE_PMU_TIMER
 700 config XSCALE_PMU
 701         bool
 702         depends on CPU_XSCALE && !XSCALE_PMU_TIMER
 703         default y
 704
 705 if !MMU
 706 source "arch/arm/Kconfig-nommu"
 707 endif
 708
 709 endmenu
 710
 711 source "arch/arm/common/Kconfig"
 712
 713 config FORCE_MAX_ZONEORDER
 714         int
 715         depends on SA1111
 716         default "9"
 717
 718 menu "Bus support"
 719
 720 config ARM_AMBA
 721         bool
 722
 723 config ISA
 724         bool
 725         help
 726           Find out whether you have ISA slots on your motherboard.  ISA is the
 727           name of a bus system, i.e. the way the CPU talks to the other stuff
 728           inside your box.  Other bus systems are PCI, EISA, MicroChannel
 729           (MCA) or VESA.  ISA is an older system, now being displaced by PCI;
 730           newer boards don't support it.  If you have ISA, say Y, otherwise N.
 731
 732 # Select ISA DMA controller support
 733 config ISA_DMA
 734         bool
 735         select ISA_DMA_API
 736
 737 # Select ISA DMA interface
 738 config ISA_DMA_API
 739         bool
 740
 741 config PCI
 742         bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB || ARCH_IXP4XX || ARCH_KS8695 || MACH_ARMCORE
 743         help
 744           Find out whether you have a PCI motherboard. PCI is the name of a
 745           bus system, i.e. the way the CPU talks to the other stuff inside
 746           your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
 747           VESA. If you have PCI, say Y, otherwise N.
 748
 749 config PCI_SYSCALL
 750         def_bool PCI
 751
 752 # Select the host bridge type
 753 config PCI_HOST_VIA82C505
 754         bool
 755         depends on PCI && ARCH_SHARK
 756         default y
 757
 758 config PCI_HOST_ITE8152
 759         bool
 760         depends on PCI && MACH_ARMCORE
 761         default y
 762         select DMABOUNCE
 763
 764 source "drivers/pci/Kconfig"
 765
 766 source "drivers/pcmcia/Kconfig"
 767
 768 endmenu
 769
 770 menu "Kernel Features"
 771
 772 source "kernel/time/Kconfig"
 773
 774 config SMP
 775         bool "Symmetric Multi-Processing (EXPERIMENTAL)"
 776         depends on EXPERIMENTAL && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP)
 777         select USE_GENERIC_SMP_HELPERS
 778         help
 779           This enables support for systems with more than one CPU. If you have
 780           a system with only one CPU, like most personal computers, say N. If
 781           you have a system with more than one CPU, say Y.
 782
 783           If you say N here, the kernel will run on single and multiprocessor
 784           machines, but will use only one CPU of a multiprocessor machine. If
 785           you say Y here, the kernel will run on many, but not all, single
 786           processor machines. On a single processor machine, the kernel will
 787           run faster if you say N here.
 788
 789           See also <file:Documentation/i386/IO-APIC.txt>,
 790           <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
 791           <http://www.linuxdoc.org/docs.html#howto>.
 792
 793           If you don't know what to do here, say N.
 794
 795 choice
 796         prompt "Memory split"
 797         default VMSPLIT_3G
 798         help
 799           Select the desired split between kernel and user memory.
 800
 801           If you are not absolutely sure what you are doing, leave this
 802           option alone!
 803
 804         config VMSPLIT_3G
 805                 bool "3G/1G user/kernel split"
 806         config VMSPLIT_2G
 807                 bool "2G/2G user/kernel split"
 808         config VMSPLIT_1G
 809                 bool "1G/3G user/kernel split"
 810 endchoice
 811
 812 config PAGE_OFFSET
 813         hex
 814         default 0x40000000 if VMSPLIT_1G
 815         default 0x80000000 if VMSPLIT_2G
 816         default 0xC0000000
 817
 818 config NR_CPUS
 819         int "Maximum number of CPUs (2-32)"
 820         range 2 32
 821         depends on SMP
 822         default "4"
 823
 824 config HOTPLUG_CPU
 825         bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
 826         depends on SMP && HOTPLUG && EXPERIMENTAL
 827         help
 828           Say Y here to experiment with turning CPUs off and on.  CPUs
 829           can be controlled through /sys/devices/system/cpu.
 830
 831 config LOCAL_TIMERS
 832         bool "Use local timer interrupts"
 833         depends on SMP && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || REALVIEW_EB_A9MP)
 834         default y
 835         help
 836           Enable support for local timers on SMP platforms, rather then the
 837           legacy IPI broadcast method.  Local timers allows the system
 838           accounting to be spread across the timer interval, preventing a
 839           "thundering herd" at every timer tick.
 840
 841 config PREEMPT
 842         bool "Preemptible Kernel (EXPERIMENTAL)"
 843         depends on EXPERIMENTAL
 844         help
 845           This option reduces the latency of the kernel when reacting to
 846           real-time or interactive events by allowing a low priority process to
 847           be preempted even if it is in kernel mode executing a system call.
 848           This allows applications to run more reliably even when the system is
 849           under load.
 850
 851           Say Y here if you are building a kernel for a desktop, embedded
 852           or real-time system.  Say N if you are unsure.
 853
 854 config HZ
 855         int
 856         default 128 if ARCH_L7200
 857         default 200 if ARCH_EBSA110 || ARCH_S3C2410
 858         default OMAP_32K_TIMER_HZ if ARCH_OMAP && OMAP_32K_TIMER
 859         default AT91_TIMER_HZ if ARCH_AT91
 860         default 100
 861
 862 config AEABI
 863         bool "Use the ARM EABI to compile the kernel"
 864         help
 865           This option allows for the kernel to be compiled using the latest
 866           ARM ABI (aka EABI).  This is only useful if you are using a user
 867           space environment that is also compiled with EABI.
 868
 869           Since there are major incompatibilities between the legacy ABI and
 870           EABI, especially with regard to structure member alignment, this
 871           option also changes the kernel syscall calling convention to
 872           disambiguate both ABIs and allow for backward compatibility support
 873           (selected with CONFIG_OABI_COMPAT).
 874
 875           To use this you need GCC version 4.0.0 or later.
 876
 877 config OABI_COMPAT
 878         bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)"
 879         depends on AEABI && EXPERIMENTAL
 880         default y
 881         help
 882           This option preserves the old syscall interface along with the
 883           new (ARM EABI) one. It also provides a compatibility layer to
 884           intercept syscalls that have structure arguments which layout
 885           in memory differs between the legacy ABI and the new ARM EABI
 886           (only for non "thumb" binaries). This option adds a tiny
 887           overhead to all syscalls and produces a slightly larger kernel.
 888           If you know you'll be using only pure EABI user space then you
 889           can say N here. If this option is not selected and you attempt
 890           to execute a legacy ABI binary then the result will be
 891           UNPREDICTABLE (in fact it can be predicted that it won't work
 892           at all). If in doubt say Y.
 893
 894 config ARCH_FLATMEM_HAS_HOLES
 895         bool
 896         default y
 897         depends on FLATMEM
 898
 899 # Discontigmem is deprecated
 900 config ARCH_DISCONTIGMEM_ENABLE
 901         bool
 902
 903 config ARCH_SPARSEMEM_ENABLE
 904         bool
 905
 906 config ARCH_SPARSEMEM_DEFAULT
 907         def_bool ARCH_SPARSEMEM_ENABLE
 908
 909 config ARCH_SELECT_MEMORY_MODEL
 910         def_bool ARCH_DISCONTIGMEM_ENABLE && ARCH_SPARSEMEM_ENABLE
 911
 912 config NODES_SHIFT
 913         int
 914         default "4" if ARCH_LH7A40X
 915         default "2"
 916         depends on NEED_MULTIPLE_NODES
 917
 918 source "mm/Kconfig"
 919
 920 config LEDS
 921         bool "Timer and CPU usage LEDs"
 922         depends on ARCH_CDB89712 || ARCH_EBSA110 || \
 923                    ARCH_EBSA285 || ARCH_IMX || ARCH_INTEGRATOR || \
 924                    ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_NETWINDER || \
 925                    ARCH_OMAP || ARCH_P720T || ARCH_PXA_IDP || \
 926                    ARCH_SA1100 || ARCH_SHARK || ARCH_VERSATILE || \
 927                    ARCH_AT91 || ARCH_DAVINCI || \
 928                    ARCH_KS8695 || MACH_RD88F5182
 929         help
 930           If you say Y here, the LEDs on your machine will be used
 931           to provide useful information about your current system status.
 932
 933           If you are compiling a kernel for a NetWinder or EBSA-285, you will
 934           be able to select which LEDs are active using the options below. If
 935           you are compiling a kernel for the EBSA-110 or the LART however, the
 936           red LED will simply flash regularly to indicate that the system is
 937           still functional. It is safe to say Y here if you have a CATS
 938           system, but the driver will do nothing.
 939
 940 config LEDS_TIMER
 941         bool "Timer LED" if (!ARCH_CDB89712 && !ARCH_OMAP) || \
 942                             OMAP_OSK_MISTRAL || MACH_OMAP_H2 \
 943                             || MACH_OMAP_PERSEUS2
 944         depends on LEDS
 945         depends on !GENERIC_CLOCKEVENTS
 946         default y if ARCH_EBSA110
 947         help
 948           If you say Y here, one of the system LEDs (the green one on the
 949           NetWinder, the amber one on the EBSA285, or the red one on the LART)
 950           will flash regularly to indicate that the system is still
 951           operational. This is mainly useful to kernel hackers who are
 952           debugging unstable kernels.
 953
 954           The LART uses the same LED for both Timer LED and CPU usage LED
 955           functions. You may choose to use both, but the Timer LED function
 956           will overrule the CPU usage LED.
 957
 958 config LEDS_CPU
 959         bool "CPU usage LED" if (!ARCH_CDB89712 && !ARCH_EBSA110 && \
 960                         !ARCH_OMAP) \
 961                         || OMAP_OSK_MISTRAL || MACH_OMAP_H2 \
 962                         || MACH_OMAP_PERSEUS2
 963         depends on LEDS
 964         help
 965           If you say Y here, the red LED will be used to give a good real
 966           time indication of CPU usage, by lighting whenever the idle task
 967           is not currently executing.
 968
 969           The LART uses the same LED for both Timer LED and CPU usage LED
 970           functions. You may choose to use both, but the Timer LED function
 971           will overrule the CPU usage LED.
 972
 973 config ALIGNMENT_TRAP
 974         bool
 975         depends on CPU_CP15_MMU
 976         default y if !ARCH_EBSA110
 977         help
 978           ARM processors cannot fetch/store information which is not
 979           naturally aligned on the bus, i.e., a 4 byte fetch must start at an
 980           address divisible by 4. On 32-bit ARM processors, these non-aligned
 981           fetch/store instructions will be emulated in software if you say
 982           here, which has a severe performance impact. This is necessary for
 983           correct operation of some network protocols. With an IP-only
 984           configuration it is safe to say N, otherwise say Y.
 985
 986 endmenu
 987
 988 menu "Boot options"
 989
 990 # Compressed boot loader in ROM.  Yes, we really want to ask about
 991 # TEXT and BSS so we preserve their values in the config files.
 992 config ZBOOT_ROM_TEXT
 993         hex "Compressed ROM boot loader base address"
 994         default "0"
 995         help
 996           The physical address at which the ROM-able zImage is to be
 997           placed in the target.  Platforms which normally make use of
 998           ROM-able zImage formats normally set this to a suitable
 999           value in their defconfig file.
1000
1001           If ZBOOT_ROM is not enabled, this has no effect.
1002
1003 config ZBOOT_ROM_BSS
1004         hex "Compressed ROM boot loader BSS address"
1005         default "0"
1006         help
1007           The base address of an area of read/write memory in the target
1008           for the ROM-able zImage which must be available while the
1009           decompressor is running. It must be large enough to hold the
1010           entire decompressed kernel plus an additional 128 KiB.
1011           Platforms which normally make use of ROM-able zImage formats
1012           normally set this to a suitable value in their defconfig file.
1013
1014           If ZBOOT_ROM is not enabled, this has no effect.
1015
1016 config ZBOOT_ROM
1017         bool "Compressed boot loader in ROM/flash"
1018         depends on ZBOOT_ROM_TEXT != ZBOOT_ROM_BSS
1019         help
1020           Say Y here if you intend to execute your compressed kernel image
1021           (zImage) directly from ROM or flash.  If unsure, say N.
1022
1023 config CMDLINE
1024         string "Default kernel command string"
1025         default ""
1026         help
1027           On some architectures (EBSA110 and CATS), there is currently no way
1028           for the boot loader to pass arguments to the kernel. For these
1029           architectures, you should supply some command-line options at build
1030           time by entering them here. As a minimum, you should specify the
1031           memory size and the root device (e.g., mem=64M root=/dev/nfs).
1032
1033 config XIP_KERNEL
1034         bool "Kernel Execute-In-Place from ROM"
1035         depends on !ZBOOT_ROM
1036         help
1037           Execute-In-Place allows the kernel to run from non-volatile storage
1038           directly addressable by the CPU, such as NOR flash. This saves RAM
1039           space since the text section of the kernel is not loaded from flash
1040           to RAM.  Read-write sections, such as the data section and stack,
1041           are still copied to RAM.  The XIP kernel is not compressed since
1042           it has to run directly from flash, so it will take more space to
1043           store it.  The flash address used to link the kernel object files,
1044           and for storing it, is configuration dependent. Therefore, if you
1045           say Y here, you must know the proper physical address where to
1046           store the kernel image depending on your own flash memory usage.
1047
1048           Also note that the make target becomes "make xipImage" rather than
1049           "make zImage" or "make Image".  The final kernel binary to put in
1050           ROM memory will be arch/arm/boot/xipImage.
1051
1052           If unsure, say N.
1053
1054 config XIP_PHYS_ADDR
1055         hex "XIP Kernel Physical Location"
1056         depends on XIP_KERNEL
1057         default "0x00080000"
1058         help
1059           This is the physical address in your flash memory the kernel will
1060           be linked for and stored to.  This address is dependent on your
1061           own flash usage.
1062
1063 config KEXEC
1064         bool "Kexec system call (EXPERIMENTAL)"
1065         depends on EXPERIMENTAL
1066         help
1067           kexec is a system call that implements the ability to shutdown your
1068           current kernel, and to start another kernel.  It is like a reboot
1069           but it is independent of the system firmware.   And like a reboot
1070           you can start any kernel with it, not just Linux.
1071
1072           It is an ongoing process to be certain the hardware in a machine
1073           is properly shutdown, so do not be surprised if this code does not
1074           initially work for you.  It may help to enable device hotplugging
1075           support.
1076
1077 config ATAGS_PROC
1078         bool "Export atags in procfs"
1079         depends on KEXEC
1080         default y
1081         help
1082           Should the atags used to boot the kernel be exported in an "atags"
1083           file in procfs. Useful with kexec.
1084
1085 endmenu
1086
1087 menu "CPU Power Management"
1088
1089 if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP || ARCH_IMX || ARCH_PXA)
1090
1091 source "drivers/cpufreq/Kconfig"
1092
1093 config CPU_FREQ_SA1100
1094         bool
1095         depends on CPU_FREQ && (SA1100_H3100 || SA1100_H3600 || SA1100_H3800 || SA1100_LART || SA1100_PLEB || SA1100_BADGE4 || SA1100_HACKKIT)
1096         default y
1097
1098 config CPU_FREQ_SA1110
1099         bool
1100         depends on CPU_FREQ && (SA1100_ASSABET || SA1100_CERF || SA1100_PT_SYSTEM3)
1101         default y
1102
1103 config CPU_FREQ_INTEGRATOR
1104         tristate "CPUfreq driver for ARM Integrator CPUs"
1105         depends on ARCH_INTEGRATOR && CPU_FREQ
1106         default y
1107         help
1108           This enables the CPUfreq driver for ARM Integrator CPUs.
1109
1110           For details, take a look at <file:Documentation/cpu-freq>.
1111
1112           If in doubt, say Y.
1113
1114 config CPU_FREQ_IMX
1115         tristate "CPUfreq driver for i.MX CPUs"
1116         depends on ARCH_IMX && CPU_FREQ
1117         default n
1118         help
1119           This enables the CPUfreq driver for i.MX CPUs.
1120
1121           If in doubt, say N.
1122
1123 config CPU_FREQ_PXA
1124         bool
1125         depends on CPU_FREQ && ARCH_PXA && PXA25x
1126         default y
1127         select CPU_FREQ_DEFAULT_GOV_USERSPACE
1128
1129 endif
1130
1131 source "drivers/cpuidle/Kconfig"
1132
1133 endmenu
1134
1135 menu "Floating point emulation"
1136
1137 comment "At least one emulation must be selected"
1138
1139 config FPE_NWFPE
1140         bool "NWFPE math emulation"
1141         depends on !AEABI || OABI_COMPAT
1142         ---help---
1143           Say Y to include the NWFPE floating point emulator in the kernel.
1144           This is necessary to run most binaries. Linux does not currently
1145           support floating point hardware so you need to say Y here even if
1146           your machine has an FPA or floating point co-processor podule.
1147
1148           You may say N here if you are going to load the Acorn FPEmulator
1149           early in the bootup.
1150
1151 config FPE_NWFPE_XP
1152         bool "Support extended precision"
1153         depends on FPE_NWFPE
1154         help
1155           Say Y to include 80-bit support in the kernel floating-point
1156           emulator.  Otherwise, only 32 and 64-bit support is compiled in.
1157           Note that gcc does not generate 80-bit operations by default,
1158           so in most cases this option only enlarges the size of the
1159           floating point emulator without any good reason.
1160
1161           You almost surely want to say N here.
1162
1163 config FPE_FASTFPE
1164         bool "FastFPE math emulation (EXPERIMENTAL)"
1165         depends on (!AEABI || OABI_COMPAT) && !CPU_32v3 && EXPERIMENTAL
1166         ---help---
1167           Say Y here to include the FAST floating point emulator in the kernel.
1168           This is an experimental much faster emulator which now also has full
1169           precision for the mantissa.  It does not support any exceptions.
1170           It is very simple, and approximately 3-6 times faster than NWFPE.
1171
1172           It should be sufficient for most programs.  It may be not suitable
1173           for scientific calculations, but you have to check this for yourself.
1174           If you do not feel you need a faster FP emulation you should better
1175           choose NWFPE.
1176
1177 config VFP
1178         bool "VFP-format floating point maths"
1179         depends on CPU_V6 || CPU_ARM926T || CPU_V7 || CPU_FEROCEON
1180         help
1181           Say Y to include VFP support code in the kernel. This is needed
1182           if your hardware includes a VFP unit.
1183
1184           Please see <file:Documentation/arm/VFP/release-notes.txt> for
1185           release notes and additional status information.
1186
1187           Say N if your target does not have VFP hardware.
1188
1189 config VFPv3
1190         bool
1191         depends on VFP
1192         default y if CPU_V7
1193
1194 config NEON
1195         bool "Advanced SIMD (NEON) Extension support"
1196         depends on VFPv3 && CPU_V7
1197         help
1198           Say Y to include support code for NEON, the ARMv7 Advanced SIMD
1199           Extension.
1200
1201 endmenu
1202
1203 menu "Userspace binary formats"
1204
1205 source "fs/Kconfig.binfmt"
1206
1207 config ARTHUR
1208         tristate "RISC OS personality"
1209         depends on !AEABI
1210         help
1211           Say Y here to include the kernel code necessary if you want to run
1212           Acorn RISC OS/Arthur binaries under Linux. This code is still very
1213           experimental; if this sounds frightening, say N and sleep in peace.
1214           You can also say M here to compile this support as a module (which
1215           will be called arthur).
1216
1217 endmenu
1218
1219 menu "Power management options"
1220
1221 source "kernel/power/Kconfig"
1222
1223 config ARCH_SUSPEND_POSSIBLE
1224         def_bool y
1225
1226 endmenu
1227
1228 source "net/Kconfig"
1229
1230 menu "Device Drivers"
1231
1232 source "drivers/base/Kconfig"
1233
1234 source "drivers/connector/Kconfig"
1235
1236 if ALIGNMENT_TRAP || !CPU_CP15_MMU
1237 source "drivers/mtd/Kconfig"
1238 endif
1239
1240 source "drivers/parport/Kconfig"
1241
1242 source "drivers/pnp/Kconfig"
1243
1244 source "drivers/block/Kconfig"
1245
1246 # misc before ide - BLK_DEV_SGIIOC4 depends on SGI_IOC4
1247
1248 source "drivers/misc/Kconfig"
1249
1250 source "drivers/ide/Kconfig"
1251
1252 source "drivers/scsi/Kconfig"
1253
1254 source "drivers/ata/Kconfig"
1255
1256 source "drivers/md/Kconfig"
1257
1258 source "drivers/message/fusion/Kconfig"
1259
1260 source "drivers/ieee1394/Kconfig"
1261
1262 source "drivers/message/i2o/Kconfig"
1263
1264 source "drivers/net/Kconfig"
1265
1266 source "drivers/isdn/Kconfig"
1267
1268 # input before char - char/joystick depends on it. As does USB.
1269
1270 source "drivers/input/Kconfig"
1271
1272 source "drivers/char/Kconfig"
1273
1274 source "drivers/i2c/Kconfig"
1275
1276 source "drivers/spi/Kconfig"
1277
1278 source "drivers/gpio/Kconfig"
1279
1280 source "drivers/w1/Kconfig"
1281
1282 source "drivers/power/Kconfig"
1283
1284 source "drivers/hwmon/Kconfig"
1285
1286 source "drivers/thermal/Kconfig"
1287
1288 source "drivers/watchdog/Kconfig"
1289
1290 source "drivers/ssb/Kconfig"
1291
1292 #source "drivers/l3/Kconfig"
1293
1294 source "drivers/mfd/Kconfig"
1295
1296 source "drivers/media/Kconfig"
1297
1298 source "drivers/video/Kconfig"
1299
1300 source "sound/Kconfig"
1301
1302 source "drivers/hid/Kconfig"
1303
1304 source "drivers/usb/Kconfig"
1305
1306 source "drivers/uwb/Kconfig"
1307
1308 source "drivers/mmc/Kconfig"
1309
1310 source "drivers/memstick/Kconfig"
1311
1312 source "drivers/accessibility/Kconfig"
1313
1314 source "drivers/leds/Kconfig"
1315
1316 source "drivers/rtc/Kconfig"
1317
1318 source "drivers/dma/Kconfig"
1319
1320 source "drivers/dca/Kconfig"
1321
1322 source "drivers/auxdisplay/Kconfig"
1323
1324 source "drivers/regulator/Kconfig"
1325
1326 source "drivers/uio/Kconfig"
1327
1328 source "drivers/staging/Kconfig"
1329
1330 endmenu
1331
1332 source "fs/Kconfig"
1333
1334 source "arch/arm/Kconfig.debug"
1335
1336 source "security/Kconfig"
1337
1338 source "crypto/Kconfig"
1339
1340 source "lib/Kconfig"