2 # For a description of the syntax of this configuration file,
3 # see Documentation/kbuild/kconfig-language.txt.
6 mainmenu "Linux Kernel Configuration"
12 select SYS_SUPPORTS_APM_EMULATION
14 The ARM series is a line of low-power-consumption RISC chip designs
15 licensed by ARM Ltd and targeted at embedded applications and
16 handhelds such as the Compaq IPAQ. ARM-based PCs are no longer
17 manufactured, but legacy ARM-based PC hardware remains popular in
18 Europe. There is an ARM Linux project with a web page at
19 <http://www.arm.linux.org.uk/>.
21 config SYS_SUPPORTS_APM_EMULATION
32 config GENERIC_CLOCKEVENTS
47 The Extended Industry Standard Architecture (EISA) bus was
48 developed as an open alternative to the IBM MicroChannel bus.
50 The EISA bus provided some of the features of the IBM MicroChannel
51 bus while maintaining backward compatibility with cards made for
52 the older ISA bus. The EISA bus saw limited use between 1988 and
53 1995 when it was made obsolete by the PCI bus.
55 Say Y here if you are building a kernel for an EISA-based machine.
65 MicroChannel Architecture is found in some IBM PS/2 machines and
66 laptops. It is a bus system similar to PCI or ISA. See
67 <file:Documentation/mca.txt> (and especially the web page given
68 there) before attempting to build an MCA bus kernel.
70 config GENERIC_HARDIRQS
74 config STACKTRACE_SUPPORT
78 config LOCKDEP_SUPPORT
82 config TRACE_IRQFLAGS_SUPPORT
86 config HARDIRQS_SW_RESEND
90 config GENERIC_IRQ_PROBE
94 config GENERIC_LOCKBREAK
97 depends on SMP && PREEMPT
99 config RWSEM_GENERIC_SPINLOCK
103 config RWSEM_XCHGADD_ALGORITHM
106 config ARCH_HAS_ILOG2_U32
110 config ARCH_HAS_ILOG2_U64
114 config GENERIC_HWEIGHT
118 config GENERIC_CALIBRATE_DELAY
122 config ARCH_MAY_HAVE_PC_FDC
129 config GENERIC_ISA_DMA
140 default 0xffff0000 if MMU || CPU_HIGH_VECTOR
141 default DRAM_BASE if REMAP_VECTORS_TO_RAM
144 The base address of exception vectors.
146 source "init/Kconfig"
151 prompt "ARM system type"
152 default ARCH_VERSATILE
155 bool "Agilent AAEC-2000 based"
158 This enables support for systems based on the Agilent AAEC-2000
160 config ARCH_INTEGRATOR
161 bool "ARM Ltd. Integrator family"
165 Support for ARM's Integrator platform.
168 bool "ARM Ltd. RealView family"
172 This enables support for ARM Ltd RealView boards.
174 config ARCH_VERSATILE
175 bool "ARM Ltd. Versatile family"
180 select GENERIC_CLOCKEVENTS
182 This enables support for ARM Ltd Versatile board.
188 This enables support for systems based on the Atmel AT91RM9200,
189 AT91SAM9 and AT91CAP9 processors.
192 bool "Cirrus CL-PS7500FE"
197 Support for the Cirrus Logic PS7500FE system-on-a-chip.
200 bool "Cirrus Logic CLPS711x/EP721x-based"
202 Support for Cirrus Logic 711x/721x based boards.
207 select FOOTBRIDGE_ADDIN
209 Support for Intel's EBSA285 companion chip.
216 This is an evaluation board for the StrongARM processor available
217 from Digital. It has limited hardware on-board, including an
218 Ethernet interface, two PCMCIA sockets, two serial ports and a
227 This enables support for the Cirrus EP93xx series of CPUs.
229 config ARCH_FOOTBRIDGE
233 Support for systems based on the DC21285 companion chip
234 ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder.
237 bool "Hilscher NetX based"
240 This enables support for systems based on the Hilscher NetX Soc
243 bool "Hynix HMS720x-based"
246 This enables support for systems based on the Hynix HMS720x
252 select GENERIC_CLOCKEVENTS
254 Support for Motorola's i.MX family of processors (MX1, MXL).
261 select ARCH_SUPPORTS_MSI
263 Support for Intel's IOP13XX (XScale) family of processors.
271 Support for Intel's 80219 and IOP32X (XScale) family of
280 Support for Intel's IOP33X (XScale) family of processors.
287 Support for Intel's IXP23xx (XScale) family of processors.
290 bool "IXP2400/2800-based"
294 Support for Intel's IXP2400/2800 (XScale) family of processors.
301 select GENERIC_CLOCKEVENTS
303 Support for Intel's IXP4XX (XScale) family of processors.
309 Say Y here if you intend to run this kernel on a LinkUp Systems
310 L7200 Software Development Board which uses an ARM720T processor.
311 Information on this board can be obtained at:
313 <http://www.linkupsys.com/>
315 If you have any questions or comments about the Linux kernel port
316 to this board, send e-mail to <sjhill@cotw.com>.
319 bool "Micrel/Kendin KS8695"
322 Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based
323 System-on-Chip devices.
326 bool "NetSilicon NS9xxx"
329 select GENERIC_CLOCKEVENTS
331 Say Y here if you intend to run this kernel on a NetSilicon NS9xxx
334 <http://www.digi.com/products/microprocessors/index.jsp>
337 bool "Freescale MXC/iMX-based"
340 Support for Freescale MXC/iMX-based family of processors
348 select GENERIC_CLOCKEVENTS
350 Support for Marvell Orion System on Chip family.
353 bool "Philips Nexperia PNX4008 Mobile"
355 This enables support for Philips PNX4008 mobile platform.
358 bool "PXA2xx/PXA3xx-based"
363 select GENERIC_CLOCKEVENTS
366 Support for Intel/Marvell's PXA2xx/PXA3xx processor line.
373 select ARCH_MAY_HAVE_PC_FDC
377 On the Acorn Risc-PC, Linux can support the internal IDE disk and
378 CD-ROM interface, serial and parallel port, and the floppy drive.
383 select ARCH_DISCONTIGMEM_ENABLE
388 Support for StrongARM 11x0 based boards.
391 bool "Samsung S3C2410, S3C2412, S3C2413, S3C2440, S3C2442, S3C2443"
394 Samsung S3C2410X CPU based systems, such as the Simtec Electronics
395 BAST (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or
396 the Samsung SMDK2410 development board (and derivatives).
404 Support for the StrongARM based Digital DNARD machine, also known
405 as "Shark" (<http://www.shark-linux.de/shark.html>).
410 Say Y here for systems based on one of the Sharp LH7A40X
411 System on a Chip processors. These CPUs include an ARM922T
412 core with a wide array of integrated devices for
413 hand-held and low-power applications.
418 select GENERIC_CLOCKEVENTS
421 Support for TI's DaVinci platform.
428 Support for TI's OMAP platform (OMAP1 and OMAP2).
431 bool "Qualcomm MSM7X00A"
433 select GENERIC_CLOCKEVENTS
435 Support for Qualcomm MSM7X00A based systems. This runs on the ARM11
436 apps processor of the MSM7X00A and depends on a shared memory
437 interface to the ARM9 modem processor which runs the baseband stack
438 and controls some vital subsystems (clock and power control, etc).
439 <http://www.cdmatech.com/products/msm7200_chipset_solution.jsp>
443 source "arch/arm/mach-clps711x/Kconfig"
445 source "arch/arm/mach-ep93xx/Kconfig"
447 source "arch/arm/mach-footbridge/Kconfig"
449 source "arch/arm/mach-integrator/Kconfig"
451 source "arch/arm/mach-iop32x/Kconfig"
453 source "arch/arm/mach-iop33x/Kconfig"
455 source "arch/arm/mach-iop13xx/Kconfig"
457 source "arch/arm/mach-ixp4xx/Kconfig"
459 source "arch/arm/mach-ixp2000/Kconfig"
461 source "arch/arm/mach-ixp23xx/Kconfig"
463 source "arch/arm/mach-pxa/Kconfig"
465 source "arch/arm/mach-sa1100/Kconfig"
467 source "arch/arm/plat-omap/Kconfig"
469 source "arch/arm/mach-omap1/Kconfig"
471 source "arch/arm/mach-omap2/Kconfig"
473 source "arch/arm/mach-orion/Kconfig"
475 source "arch/arm/plat-s3c24xx/Kconfig"
476 source "arch/arm/plat-s3c/Kconfig"
479 source "arch/arm/mach-s3c2400/Kconfig"
480 source "arch/arm/mach-s3c2410/Kconfig"
481 source "arch/arm/mach-s3c2412/Kconfig"
482 source "arch/arm/mach-s3c2440/Kconfig"
483 source "arch/arm/mach-s3c2442/Kconfig"
484 source "arch/arm/mach-s3c2443/Kconfig"
487 source "arch/arm/mach-lh7a40x/Kconfig"
489 source "arch/arm/mach-imx/Kconfig"
491 source "arch/arm/mach-h720x/Kconfig"
493 source "arch/arm/mach-versatile/Kconfig"
495 source "arch/arm/mach-aaec2000/Kconfig"
497 source "arch/arm/mach-realview/Kconfig"
499 source "arch/arm/mach-at91/Kconfig"
501 source "arch/arm/plat-mxc/Kconfig"
503 source "arch/arm/mach-netx/Kconfig"
505 source "arch/arm/mach-ns9xxx/Kconfig"
507 source "arch/arm/mach-davinci/Kconfig"
509 source "arch/arm/mach-ks8695/Kconfig"
511 source "arch/arm/mach-msm/Kconfig"
513 # Definitions to make life easier
520 source arch/arm/mm/Kconfig
523 bool "Enable iWMMXt support"
524 depends on CPU_XSCALE || CPU_XSC3
525 default y if PXA27x || PXA3xx
527 Enable support for iWMMXt context switching at run time if
528 running on a CPU that supports it.
530 # bool 'Use XScale PMU as timer source' CONFIG_XSCALE_PMU_TIMER
533 depends on CPU_XSCALE && !XSCALE_PMU_TIMER
537 source "arch/arm/Kconfig-nommu"
542 source "arch/arm/common/Kconfig"
544 config FORCE_MAX_ZONEORDER
557 Find out whether you have ISA slots on your motherboard. ISA is the
558 name of a bus system, i.e. the way the CPU talks to the other stuff
559 inside your box. Other bus systems are PCI, EISA, MicroChannel
560 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
561 newer boards don't support it. If you have ISA, say Y, otherwise N.
563 # Select ISA DMA controller support
568 # Select ISA DMA interface
573 bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB || ARCH_IXP4XX || ARCH_KS8695 || MACH_ARMCORE
575 Find out whether you have a PCI motherboard. PCI is the name of a
576 bus system, i.e. the way the CPU talks to the other stuff inside
577 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
578 VESA. If you have PCI, say Y, otherwise N.
583 # Select the host bridge type
584 config PCI_HOST_VIA82C505
586 depends on PCI && ARCH_SHARK
589 config PCI_HOST_ITE8152
591 depends on PCI && MACH_ARMCORE
595 source "drivers/pci/Kconfig"
597 source "drivers/pcmcia/Kconfig"
601 menu "Kernel Features"
603 source "kernel/time/Kconfig"
606 bool "Symmetric Multi-Processing (EXPERIMENTAL)"
607 depends on EXPERIMENTAL && REALVIEW_MPCORE
609 This enables support for systems with more than one CPU. If you have
610 a system with only one CPU, like most personal computers, say N. If
611 you have a system with more than one CPU, say Y.
613 If you say N here, the kernel will run on single and multiprocessor
614 machines, but will use only one CPU of a multiprocessor machine. If
615 you say Y here, the kernel will run on many, but not all, single
616 processor machines. On a single processor machine, the kernel will
617 run faster if you say N here.
619 See also the <file:Documentation/smp.txt>,
620 <file:Documentation/i386/IO-APIC.txt>,
621 <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
622 <http://www.linuxdoc.org/docs.html#howto>.
624 If you don't know what to do here, say N.
627 int "Maximum number of CPUs (2-32)"
633 bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
634 depends on SMP && HOTPLUG && EXPERIMENTAL
636 Say Y here to experiment with turning CPUs off and on. CPUs
637 can be controlled through /sys/devices/system/cpu.
640 bool "Use local timer interrupts"
641 depends on SMP && REALVIEW_MPCORE
644 Enable support for local timers on SMP platforms, rather then the
645 legacy IPI broadcast method. Local timers allows the system
646 accounting to be spread across the timer interval, preventing a
647 "thundering herd" at every timer tick.
650 bool "Preemptible Kernel (EXPERIMENTAL)"
651 depends on EXPERIMENTAL
653 This option reduces the latency of the kernel when reacting to
654 real-time or interactive events by allowing a low priority process to
655 be preempted even if it is in kernel mode executing a system call.
656 This allows applications to run more reliably even when the system is
659 Say Y here if you are building a kernel for a desktop, embedded
660 or real-time system. Say N if you are unsure.
663 bool "Dynamic tick timer"
664 depends on !GENERIC_CLOCKEVENTS
666 Select this option if you want to disable continuous timer ticks
667 and have them programmed to occur as required. This option saves
668 power as the system can remain in idle state for longer.
670 By default dynamic tick is disabled during the boot, and can be
671 manually enabled with:
673 echo 1 > /sys/devices/system/timer/timer0/dyn_tick
675 Alternatively, if you want dynamic tick automatically enabled
676 during boot, pass "dyntick=enable" via the kernel command string.
678 Please note that dynamic tick may affect the accuracy of
679 timekeeping on some platforms depending on the implementation.
680 Currently at least OMAP, PXA2xx and SA11x0 platforms are known
681 to have accurate timekeeping with dynamic tick.
685 default 128 if ARCH_L7200
686 default 200 if ARCH_EBSA110 || ARCH_S3C2410
687 default OMAP_32K_TIMER_HZ if ARCH_OMAP && OMAP_32K_TIMER
688 default AT91_TIMER_HZ if ARCH_AT91
692 bool "Use the ARM EABI to compile the kernel"
694 This option allows for the kernel to be compiled using the latest
695 ARM ABI (aka EABI). This is only useful if you are using a user
696 space environment that is also compiled with EABI.
698 Since there are major incompatibilities between the legacy ABI and
699 EABI, especially with regard to structure member alignment, this
700 option also changes the kernel syscall calling convention to
701 disambiguate both ABIs and allow for backward compatibility support
702 (selected with CONFIG_OABI_COMPAT).
704 To use this you need GCC version 4.0.0 or later.
707 bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)"
708 depends on AEABI && EXPERIMENTAL
711 This option preserves the old syscall interface along with the
712 new (ARM EABI) one. It also provides a compatibility layer to
713 intercept syscalls that have structure arguments which layout
714 in memory differs between the legacy ABI and the new ARM EABI
715 (only for non "thumb" binaries). This option adds a tiny
716 overhead to all syscalls and produces a slightly larger kernel.
717 If you know you'll be using only pure EABI user space then you
718 can say N here. If this option is not selected and you attempt
719 to execute a legacy ABI binary then the result will be
720 UNPREDICTABLE (in fact it can be predicted that it won't work
721 at all). If in doubt say Y.
723 config ARCH_DISCONTIGMEM_ENABLE
725 default (ARCH_LH7A40X && !LH7A40X_CONTIGMEM)
727 Say Y to support efficient handling of discontiguous physical memory,
728 for architectures which are either NUMA (Non-Uniform Memory Access)
729 or have huge holes in the physical address space for other reasons.
730 See <file:Documentation/vm/numa> for more.
734 default "4" if ARCH_LH7A40X
736 depends on NEED_MULTIPLE_NODES
741 bool "Timer and CPU usage LEDs"
742 depends on ARCH_CDB89712 || ARCH_CO285 || ARCH_EBSA110 || \
743 ARCH_EBSA285 || ARCH_IMX || ARCH_INTEGRATOR || \
744 ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_NETWINDER || \
745 ARCH_OMAP || ARCH_P720T || ARCH_PXA_IDP || \
746 ARCH_SA1100 || ARCH_SHARK || ARCH_VERSATILE || \
747 ARCH_AT91 || MACH_TRIZEPS4 || ARCH_DAVINCI || \
748 ARCH_KS8695 || MACH_RD88F5182
750 If you say Y here, the LEDs on your machine will be used
751 to provide useful information about your current system status.
753 If you are compiling a kernel for a NetWinder or EBSA-285, you will
754 be able to select which LEDs are active using the options below. If
755 you are compiling a kernel for the EBSA-110 or the LART however, the
756 red LED will simply flash regularly to indicate that the system is
757 still functional. It is safe to say Y here if you have a CATS
758 system, but the driver will do nothing.
761 bool "Timer LED" if (!ARCH_CDB89712 && !ARCH_OMAP) || \
762 OMAP_OSK_MISTRAL || MACH_OMAP_H2 \
763 || MACH_OMAP_PERSEUS2
765 depends on !GENERIC_CLOCKEVENTS
766 default y if ARCH_EBSA110
768 If you say Y here, one of the system LEDs (the green one on the
769 NetWinder, the amber one on the EBSA285, or the red one on the LART)
770 will flash regularly to indicate that the system is still
771 operational. This is mainly useful to kernel hackers who are
772 debugging unstable kernels.
774 The LART uses the same LED for both Timer LED and CPU usage LED
775 functions. You may choose to use both, but the Timer LED function
776 will overrule the CPU usage LED.
779 bool "CPU usage LED" if (!ARCH_CDB89712 && !ARCH_EBSA110 && \
781 || OMAP_OSK_MISTRAL || MACH_OMAP_H2 \
782 || MACH_OMAP_PERSEUS2
785 If you say Y here, the red LED will be used to give a good real
786 time indication of CPU usage, by lighting whenever the idle task
787 is not currently executing.
789 The LART uses the same LED for both Timer LED and CPU usage LED
790 functions. You may choose to use both, but the Timer LED function
791 will overrule the CPU usage LED.
793 config ALIGNMENT_TRAP
795 depends on CPU_CP15_MMU
796 default y if !ARCH_EBSA110
798 ARM processors cannot fetch/store information which is not
799 naturally aligned on the bus, i.e., a 4 byte fetch must start at an
800 address divisible by 4. On 32-bit ARM processors, these non-aligned
801 fetch/store instructions will be emulated in software if you say
802 here, which has a severe performance impact. This is necessary for
803 correct operation of some network protocols. With an IP-only
804 configuration it is safe to say N, otherwise say Y.
810 # Compressed boot loader in ROM. Yes, we really want to ask about
811 # TEXT and BSS so we preserve their values in the config files.
812 config ZBOOT_ROM_TEXT
813 hex "Compressed ROM boot loader base address"
816 The physical address at which the ROM-able zImage is to be
817 placed in the target. Platforms which normally make use of
818 ROM-able zImage formats normally set this to a suitable
819 value in their defconfig file.
821 If ZBOOT_ROM is not enabled, this has no effect.
824 hex "Compressed ROM boot loader BSS address"
827 The base address of an area of read/write memory in the target
828 for the ROM-able zImage which must be available while the
829 decompressor is running. It must be large enough to hold the
830 entire decompressed kernel plus an additional 128 KiB.
831 Platforms which normally make use of ROM-able zImage formats
832 normally set this to a suitable value in their defconfig file.
834 If ZBOOT_ROM is not enabled, this has no effect.
837 bool "Compressed boot loader in ROM/flash"
838 depends on ZBOOT_ROM_TEXT != ZBOOT_ROM_BSS
840 Say Y here if you intend to execute your compressed kernel image
841 (zImage) directly from ROM or flash. If unsure, say N.
844 string "Default kernel command string"
847 On some architectures (EBSA110 and CATS), there is currently no way
848 for the boot loader to pass arguments to the kernel. For these
849 architectures, you should supply some command-line options at build
850 time by entering them here. As a minimum, you should specify the
851 memory size and the root device (e.g., mem=64M root=/dev/nfs).
854 bool "Kernel Execute-In-Place from ROM"
855 depends on !ZBOOT_ROM
857 Execute-In-Place allows the kernel to run from non-volatile storage
858 directly addressable by the CPU, such as NOR flash. This saves RAM
859 space since the text section of the kernel is not loaded from flash
860 to RAM. Read-write sections, such as the data section and stack,
861 are still copied to RAM. The XIP kernel is not compressed since
862 it has to run directly from flash, so it will take more space to
863 store it. The flash address used to link the kernel object files,
864 and for storing it, is configuration dependent. Therefore, if you
865 say Y here, you must know the proper physical address where to
866 store the kernel image depending on your own flash memory usage.
868 Also note that the make target becomes "make xipImage" rather than
869 "make zImage" or "make Image". The final kernel binary to put in
870 ROM memory will be arch/arm/boot/xipImage.
875 hex "XIP Kernel Physical Location"
876 depends on XIP_KERNEL
879 This is the physical address in your flash memory the kernel will
880 be linked for and stored to. This address is dependent on your
884 bool "Kexec system call (EXPERIMENTAL)"
885 depends on EXPERIMENTAL
887 kexec is a system call that implements the ability to shutdown your
888 current kernel, and to start another kernel. It is like a reboot
889 but it is independent of the system firmware. And like a reboot
890 you can start any kernel with it, not just Linux.
892 It is an ongoing process to be certain the hardware in a machine
893 is properly shutdown, so do not be surprised if this code does not
894 initially work for you. It may help to enable device hotplugging
899 if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP || ARCH_IMX || ARCH_PXA)
901 menu "CPU Frequency scaling"
903 source "drivers/cpufreq/Kconfig"
905 config CPU_FREQ_SA1100
907 depends on CPU_FREQ && (SA1100_H3100 || SA1100_H3600 || SA1100_H3800 || SA1100_LART || SA1100_PLEB || SA1100_BADGE4 || SA1100_HACKKIT)
910 config CPU_FREQ_SA1110
912 depends on CPU_FREQ && (SA1100_ASSABET || SA1100_CERF || SA1100_PT_SYSTEM3)
915 config CPU_FREQ_INTEGRATOR
916 tristate "CPUfreq driver for ARM Integrator CPUs"
917 depends on ARCH_INTEGRATOR && CPU_FREQ
920 This enables the CPUfreq driver for ARM Integrator CPUs.
922 For details, take a look at <file:Documentation/cpu-freq>.
927 tristate "CPUfreq driver for i.MX CPUs"
928 depends on ARCH_IMX && CPU_FREQ
931 This enables the CPUfreq driver for i.MX CPUs.
937 depends on CPU_FREQ && ARCH_PXA && PXA25x
939 select CPU_FREQ_DEFAULT_GOV_USERSPACE
945 menu "Floating point emulation"
947 comment "At least one emulation must be selected"
950 bool "NWFPE math emulation"
951 depends on !AEABI || OABI_COMPAT
953 Say Y to include the NWFPE floating point emulator in the kernel.
954 This is necessary to run most binaries. Linux does not currently
955 support floating point hardware so you need to say Y here even if
956 your machine has an FPA or floating point co-processor podule.
958 You may say N here if you are going to load the Acorn FPEmulator
962 bool "Support extended precision"
965 Say Y to include 80-bit support in the kernel floating-point
966 emulator. Otherwise, only 32 and 64-bit support is compiled in.
967 Note that gcc does not generate 80-bit operations by default,
968 so in most cases this option only enlarges the size of the
969 floating point emulator without any good reason.
971 You almost surely want to say N here.
974 bool "FastFPE math emulation (EXPERIMENTAL)"
975 depends on (!AEABI || OABI_COMPAT) && !CPU_32v3 && EXPERIMENTAL
977 Say Y here to include the FAST floating point emulator in the kernel.
978 This is an experimental much faster emulator which now also has full
979 precision for the mantissa. It does not support any exceptions.
980 It is very simple, and approximately 3-6 times faster than NWFPE.
982 It should be sufficient for most programs. It may be not suitable
983 for scientific calculations, but you have to check this for yourself.
984 If you do not feel you need a faster FP emulation you should better
988 bool "VFP-format floating point maths"
989 depends on CPU_V6 || CPU_ARM926T || CPU_V7 || CPU_FEROCEON
991 Say Y to include VFP support code in the kernel. This is needed
992 if your hardware includes a VFP unit.
994 Please see <file:Documentation/arm/VFP/release-notes.txt> for
995 release notes and additional status information.
997 Say N if your target does not have VFP hardware.
1005 bool "Advanced SIMD (NEON) Extension support"
1006 depends on VFPv3 && CPU_V7
1008 Say Y to include support code for NEON, the ARMv7 Advanced SIMD
1013 menu "Userspace binary formats"
1015 source "fs/Kconfig.binfmt"
1018 tristate "RISC OS personality"
1021 Say Y here to include the kernel code necessary if you want to run
1022 Acorn RISC OS/Arthur binaries under Linux. This code is still very
1023 experimental; if this sounds frightening, say N and sleep in peace.
1024 You can also say M here to compile this support as a module (which
1025 will be called arthur).
1029 menu "Power management options"
1031 source "kernel/power/Kconfig"
1033 config ARCH_SUSPEND_POSSIBLE
1038 source "net/Kconfig"
1040 menu "Device Drivers"
1042 source "drivers/base/Kconfig"
1044 source "drivers/connector/Kconfig"
1046 if ALIGNMENT_TRAP || !CPU_CP15_MMU
1047 source "drivers/mtd/Kconfig"
1050 source "drivers/parport/Kconfig"
1052 source "drivers/pnp/Kconfig"
1054 source "drivers/block/Kconfig"
1056 # misc before ide - BLK_DEV_SGIIOC4 depends on SGI_IOC4
1058 source "drivers/misc/Kconfig"
1060 if PCMCIA || ARCH_CLPS7500 || ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX \
1061 || ARCH_L7200 || ARCH_LH7A40X || ARCH_PXA || ARCH_RPC \
1062 || ARCH_S3C2410 || ARCH_SA1100 || ARCH_SHARK || FOOTBRIDGE \
1064 source "drivers/ide/Kconfig"
1067 source "drivers/scsi/Kconfig"
1069 source "drivers/ata/Kconfig"
1071 source "drivers/md/Kconfig"
1073 source "drivers/message/fusion/Kconfig"
1075 source "drivers/ieee1394/Kconfig"
1077 source "drivers/message/i2o/Kconfig"
1079 source "drivers/net/Kconfig"
1081 source "drivers/isdn/Kconfig"
1083 # input before char - char/joystick depends on it. As does USB.
1085 source "drivers/input/Kconfig"
1087 source "drivers/char/Kconfig"
1089 source "drivers/i2c/Kconfig"
1091 source "drivers/spi/Kconfig"
1093 source "drivers/w1/Kconfig"
1095 source "drivers/power/Kconfig"
1097 source "drivers/hwmon/Kconfig"
1099 source "drivers/watchdog/Kconfig"
1101 source "drivers/ssb/Kconfig"
1103 #source "drivers/l3/Kconfig"
1105 source "drivers/mfd/Kconfig"
1107 source "drivers/media/Kconfig"
1109 source "drivers/video/Kconfig"
1111 source "sound/Kconfig"
1113 source "drivers/hid/Kconfig"
1115 source "drivers/usb/Kconfig"
1117 source "drivers/mmc/Kconfig"
1119 source "drivers/leds/Kconfig"
1121 source "drivers/rtc/Kconfig"
1123 source "drivers/dma/Kconfig"
1125 source "drivers/dca/Kconfig"
1131 source "arch/arm/Kconfig.instrumentation"
1133 source "arch/arm/Kconfig.debug"
1135 source "security/Kconfig"
1137 source "crypto/Kconfig"
1139 source "lib/Kconfig"