11da177e4SLinus Torvalds# 21da177e4SLinus Torvalds# For a description of the syntax of this configuration file, 31da177e4SLinus Torvalds# see Documentation/kbuild/kconfig-language.txt. 41da177e4SLinus Torvalds# 51da177e4SLinus Torvalds 61da177e4SLinus Torvaldsmainmenu "Linux Kernel Configuration" 71da177e4SLinus Torvalds 81da177e4SLinus Torvaldsconfig ARM 91da177e4SLinus Torvalds bool 101da177e4SLinus Torvalds default y 111da177e4SLinus Torvalds help 121da177e4SLinus Torvalds The ARM series is a line of low-power-consumption RISC chip designs 13*f6c8965aSMartin Michlmayr licensed by ARM Ltd and targeted at embedded applications and 141da177e4SLinus Torvalds handhelds such as the Compaq IPAQ. ARM-based PCs are no longer 151da177e4SLinus Torvalds manufactured, but legacy ARM-based PC hardware remains popular in 161da177e4SLinus Torvalds Europe. There is an ARM Linux project with a web page at 171da177e4SLinus Torvalds <http://www.arm.linux.org.uk/>. 181da177e4SLinus Torvalds 191da177e4SLinus Torvaldsconfig MMU 201da177e4SLinus Torvalds bool 211da177e4SLinus Torvalds default y 221da177e4SLinus Torvalds 231da177e4SLinus Torvaldsconfig EISA 241da177e4SLinus Torvalds bool 251da177e4SLinus Torvalds ---help--- 261da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 271da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 281da177e4SLinus Torvalds 291da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 301da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 311da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 321da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 331da177e4SLinus Torvalds 341da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 351da177e4SLinus Torvalds 361da177e4SLinus Torvalds Otherwise, say N. 371da177e4SLinus Torvalds 381da177e4SLinus Torvaldsconfig SBUS 391da177e4SLinus Torvalds bool 401da177e4SLinus Torvalds 411da177e4SLinus Torvaldsconfig MCA 421da177e4SLinus Torvalds bool 431da177e4SLinus Torvalds help 441da177e4SLinus Torvalds MicroChannel Architecture is found in some IBM PS/2 machines and 451da177e4SLinus Torvalds laptops. It is a bus system similar to PCI or ISA. See 461da177e4SLinus Torvalds <file:Documentation/mca.txt> (and especially the web page given 471da177e4SLinus Torvalds there) before attempting to build an MCA bus kernel. 481da177e4SLinus Torvalds 491da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 501da177e4SLinus Torvalds bool 511da177e4SLinus Torvalds default y 521da177e4SLinus Torvalds 531da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 541da177e4SLinus Torvalds bool 551da177e4SLinus Torvalds 561da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 571da177e4SLinus Torvalds bool 581da177e4SLinus Torvalds default y 591da177e4SLinus Torvalds 601da177e4SLinus Torvaldsconfig GENERIC_BUST_SPINLOCK 611da177e4SLinus Torvalds bool 621da177e4SLinus Torvalds 63a08b6b79Sviro@ZenIV.linux.org.ukconfig ARCH_MAY_HAVE_PC_FDC 64a08b6b79Sviro@ZenIV.linux.org.uk bool 65a08b6b79Sviro@ZenIV.linux.org.uk 661da177e4SLinus Torvaldsconfig GENERIC_ISA_DMA 671da177e4SLinus Torvalds bool 681da177e4SLinus Torvalds 691da177e4SLinus Torvaldsconfig FIQ 701da177e4SLinus Torvalds bool 711da177e4SLinus Torvalds 721da177e4SLinus Torvaldssource "init/Kconfig" 731da177e4SLinus Torvalds 741da177e4SLinus Torvaldsmenu "System Type" 751da177e4SLinus Torvalds 761da177e4SLinus Torvaldschoice 771da177e4SLinus Torvalds prompt "ARM system type" 781da177e4SLinus Torvalds default ARCH_RPC 791da177e4SLinus Torvalds 801da177e4SLinus Torvaldsconfig ARCH_CLPS7500 811da177e4SLinus Torvalds bool "Cirrus-CL-PS7500FE" 821da177e4SLinus Torvalds select TIMER_ACORN 83f7e68bbfSRussell King select ISA 84f999b8bdSMartin Michlmayr help 85f999b8bdSMartin Michlmayr Support for the Cirrus Logic PS7500FE system-on-a-chip. 861da177e4SLinus Torvalds 871da177e4SLinus Torvaldsconfig ARCH_CLPS711X 881da177e4SLinus Torvalds bool "CLPS711x/EP721x-based" 89f999b8bdSMartin Michlmayr help 90f999b8bdSMartin Michlmayr Support for Cirrus Logic 711x/721x based boards. 911da177e4SLinus Torvalds 921da177e4SLinus Torvaldsconfig ARCH_CO285 931da177e4SLinus Torvalds bool "Co-EBSA285" 941da177e4SLinus Torvalds select FOOTBRIDGE 951da177e4SLinus Torvalds select FOOTBRIDGE_ADDIN 96f999b8bdSMartin Michlmayr help 97f999b8bdSMartin Michlmayr Support for Intel's EBSA285 companion chip. 981da177e4SLinus Torvalds 991da177e4SLinus Torvaldsconfig ARCH_EBSA110 1001da177e4SLinus Torvalds bool "EBSA-110" 101f7e68bbfSRussell King select ISA 1021da177e4SLinus Torvalds help 1031da177e4SLinus Torvalds This is an evaluation board for the StrongARM processor available 104*f6c8965aSMartin Michlmayr from Digital. It has limited hardware on-board, including an 1051da177e4SLinus Torvalds Ethernet interface, two PCMCIA sockets, two serial ports and a 1061da177e4SLinus Torvalds parallel port. 1071da177e4SLinus Torvalds 1081da177e4SLinus Torvaldsconfig ARCH_FOOTBRIDGE 1091da177e4SLinus Torvalds bool "FootBridge" 1101da177e4SLinus Torvalds select FOOTBRIDGE 111f999b8bdSMartin Michlmayr help 112f999b8bdSMartin Michlmayr Support for systems based on the DC21285 companion chip 113f999b8bdSMartin Michlmayr ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder. 1141da177e4SLinus Torvalds 1151da177e4SLinus Torvaldsconfig ARCH_INTEGRATOR 1161da177e4SLinus Torvalds bool "Integrator" 1171da177e4SLinus Torvalds select ARM_AMBA 1181da177e4SLinus Torvalds select ICST525 119f999b8bdSMartin Michlmayr help 120f999b8bdSMartin Michlmayr Support for ARM's Integrator platform. 1211da177e4SLinus Torvalds 1221da177e4SLinus Torvaldsconfig ARCH_IOP3XX 1231da177e4SLinus Torvalds bool "IOP3xx-based" 124f7e68bbfSRussell King select PCI 125f999b8bdSMartin Michlmayr help 126f999b8bdSMartin Michlmayr Support for Intel's IOP3XX (XScale) family of processors. 1271da177e4SLinus Torvalds 1281da177e4SLinus Torvaldsconfig ARCH_IXP4XX 1291da177e4SLinus Torvalds bool "IXP4xx-based" 1301da177e4SLinus Torvalds select DMABOUNCE 131f7e68bbfSRussell King select PCI 132f999b8bdSMartin Michlmayr help 133f999b8bdSMartin Michlmayr Support for Intel's IXP4XX (XScale) family of processors. 1341da177e4SLinus Torvalds 1351da177e4SLinus Torvaldsconfig ARCH_IXP2000 1361da177e4SLinus Torvalds bool "IXP2400/2800-based" 137f7e68bbfSRussell King select PCI 138f999b8bdSMartin Michlmayr help 139f999b8bdSMartin Michlmayr Support for Intel's IXP2400/2800 (XScale) family of processors. 1401da177e4SLinus Torvalds 1411da177e4SLinus Torvaldsconfig ARCH_L7200 1421da177e4SLinus Torvalds bool "LinkUp-L7200" 1431da177e4SLinus Torvalds select FIQ 1441da177e4SLinus Torvalds help 1451da177e4SLinus Torvalds Say Y here if you intend to run this kernel on a LinkUp Systems 1461da177e4SLinus Torvalds L7200 Software Development Board which uses an ARM720T processor. 1471da177e4SLinus Torvalds Information on this board can be obtained at: 1481da177e4SLinus Torvalds 1491da177e4SLinus Torvalds <http://www.linkupsys.com/> 1501da177e4SLinus Torvalds 1511da177e4SLinus Torvalds If you have any questions or comments about the Linux kernel port 1521da177e4SLinus Torvalds to this board, send e-mail to <sjhill@cotw.com>. 1531da177e4SLinus Torvalds 1541da177e4SLinus Torvaldsconfig ARCH_PXA 1551da177e4SLinus Torvalds bool "PXA2xx-based" 156f999b8bdSMartin Michlmayr help 157f999b8bdSMartin Michlmayr Support for Intel's PXA2XX processor line. 1581da177e4SLinus Torvalds 1591da177e4SLinus Torvaldsconfig ARCH_RPC 1601da177e4SLinus Torvalds bool "RiscPC" 1611da177e4SLinus Torvalds select ARCH_ACORN 1621da177e4SLinus Torvalds select FIQ 1631da177e4SLinus Torvalds select TIMER_ACORN 164a08b6b79Sviro@ZenIV.linux.org.uk select ARCH_MAY_HAVE_PC_FDC 165065909b9SRussell King select ISA_DMA_API 1661da177e4SLinus Torvalds help 1671da177e4SLinus Torvalds On the Acorn Risc-PC, Linux can support the internal IDE disk and 1681da177e4SLinus Torvalds CD-ROM interface, serial and parallel port, and the floppy drive. 1691da177e4SLinus Torvalds 1701da177e4SLinus Torvaldsconfig ARCH_SA1100 1711da177e4SLinus Torvalds bool "SA1100-based" 172f7e68bbfSRussell King select ISA 1733cd9e19eSRussell King select ARCH_DISCONTIGMEM_ENABLE 174f999b8bdSMartin Michlmayr help 175f999b8bdSMartin Michlmayr Support for StrongARM 11x0 based boards. 1761da177e4SLinus Torvalds 1771da177e4SLinus Torvaldsconfig ARCH_S3C2410 1781da177e4SLinus Torvalds bool "Samsung S3C2410" 1791da177e4SLinus Torvalds help 1801da177e4SLinus Torvalds Samsung S3C2410X CPU based systems, such as the Simtec Electronics 1811da177e4SLinus Torvalds BAST (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or 182*f6c8965aSMartin Michlmayr the Samsung SMDK2410 development board (and derivatives). 1831da177e4SLinus Torvalds 1841da177e4SLinus Torvaldsconfig ARCH_SHARK 1851da177e4SLinus Torvalds bool "Shark" 186f7e68bbfSRussell King select ISA 187f7e68bbfSRussell King select ISA_DMA 188f7e68bbfSRussell King select PCI 189f999b8bdSMartin Michlmayr help 190f999b8bdSMartin Michlmayr Support for the StrongARM based Digital DNARD machine, also known 191f999b8bdSMartin Michlmayr as "Shark" (<http://www.shark-linux.de/shark.html>). 1921da177e4SLinus Torvalds 1931da177e4SLinus Torvaldsconfig ARCH_LH7A40X 1941da177e4SLinus Torvalds bool "Sharp LH7A40X" 1951da177e4SLinus Torvalds help 1961da177e4SLinus Torvalds Say Y here for systems based on one of the Sharp LH7A40X 1971da177e4SLinus Torvalds System on a Chip processors. These CPUs include an ARM922T 1981da177e4SLinus Torvalds core with a wide array of integrated devices for 1991da177e4SLinus Torvalds hand-held and low-power applications. 2001da177e4SLinus Torvalds 2011da177e4SLinus Torvaldsconfig ARCH_OMAP 2021da177e4SLinus Torvalds bool "TI OMAP" 203f999b8bdSMartin Michlmayr help 204f999b8bdSMartin Michlmayr Support for TI's OMAP platform (OMAP1 and OMAP2). 2051da177e4SLinus Torvalds 2061da177e4SLinus Torvaldsconfig ARCH_VERSATILE 2071da177e4SLinus Torvalds bool "Versatile" 2081da177e4SLinus Torvalds select ARM_AMBA 209fa0fe48fSRussell King select ARM_VIC 2101da177e4SLinus Torvalds select ICST307 2111da177e4SLinus Torvalds help 2121da177e4SLinus Torvalds This enables support for ARM Ltd Versatile board. 2131da177e4SLinus Torvalds 2148ad68bbfSCatalin Marinasconfig ARCH_REALVIEW 2158ad68bbfSCatalin Marinas bool "RealView" 2168ad68bbfSCatalin Marinas select ARM_AMBA 2178ad68bbfSCatalin Marinas select ICST307 2188ad68bbfSCatalin Marinas help 2198ad68bbfSCatalin Marinas This enables support for ARM Ltd RealView boards. 2208ad68bbfSCatalin Marinas 2211da177e4SLinus Torvaldsconfig ARCH_IMX 2221da177e4SLinus Torvalds bool "IMX" 223f999b8bdSMartin Michlmayr help 224f999b8bdSMartin Michlmayr Support for Motorola's i.MX family of processors (MX1, MXL). 2251da177e4SLinus Torvalds 2261da177e4SLinus Torvaldsconfig ARCH_H720X 2271da177e4SLinus Torvalds bool "Hynix-HMS720x-based" 228065909b9SRussell King select ISA_DMA_API 2291da177e4SLinus Torvalds help 2301da177e4SLinus Torvalds This enables support for systems based on the Hynix HMS720x 2311da177e4SLinus Torvalds 232038c5b60SBellido Nicolasconfig ARCH_AAEC2000 233038c5b60SBellido Nicolas bool "Agilent AAEC-2000 based" 234049eb329SBellido Nicolas select ARM_AMBA 235038c5b60SBellido Nicolas help 236038c5b60SBellido Nicolas This enables support for systems based on the Agilent AAEC-2000 237038c5b60SBellido Nicolas 23873a59c1cSSAN Peopleconfig ARCH_AT91RM9200 23973a59c1cSSAN People bool "AT91RM9200" 24073a59c1cSSAN People help 241f999b8bdSMartin Michlmayr Say Y here if you intend to run this kernel on an Atmel 242f999b8bdSMartin Michlmayr AT91RM9200-based board. 24373a59c1cSSAN People 2441da177e4SLinus Torvaldsendchoice 2451da177e4SLinus Torvalds 2461da177e4SLinus Torvaldssource "arch/arm/mach-clps711x/Kconfig" 2471da177e4SLinus Torvalds 2481da177e4SLinus Torvaldssource "arch/arm/mach-footbridge/Kconfig" 2491da177e4SLinus Torvalds 2501da177e4SLinus Torvaldssource "arch/arm/mach-integrator/Kconfig" 2511da177e4SLinus Torvalds 2521da177e4SLinus Torvaldssource "arch/arm/mach-iop3xx/Kconfig" 2531da177e4SLinus Torvalds 2541da177e4SLinus Torvaldssource "arch/arm/mach-ixp4xx/Kconfig" 2551da177e4SLinus Torvalds 2561da177e4SLinus Torvaldssource "arch/arm/mach-ixp2000/Kconfig" 2571da177e4SLinus Torvalds 2581da177e4SLinus Torvaldssource "arch/arm/mach-pxa/Kconfig" 2591da177e4SLinus Torvalds 2601da177e4SLinus Torvaldssource "arch/arm/mach-sa1100/Kconfig" 2611da177e4SLinus Torvalds 262d48af15eSTony Lindgrensource "arch/arm/plat-omap/Kconfig" 263d48af15eSTony Lindgren 264d48af15eSTony Lindgrensource "arch/arm/mach-omap1/Kconfig" 2651da177e4SLinus Torvalds 2661dbae815STony Lindgrensource "arch/arm/mach-omap2/Kconfig" 2671dbae815STony Lindgren 2681da177e4SLinus Torvaldssource "arch/arm/mach-s3c2410/Kconfig" 2691da177e4SLinus Torvalds 2701da177e4SLinus Torvaldssource "arch/arm/mach-lh7a40x/Kconfig" 2711da177e4SLinus Torvalds 2721da177e4SLinus Torvaldssource "arch/arm/mach-imx/Kconfig" 2731da177e4SLinus Torvalds 2741da177e4SLinus Torvaldssource "arch/arm/mach-h720x/Kconfig" 2751da177e4SLinus Torvalds 2761da177e4SLinus Torvaldssource "arch/arm/mach-versatile/Kconfig" 2771da177e4SLinus Torvalds 278038c5b60SBellido Nicolassource "arch/arm/mach-aaec2000/Kconfig" 279038c5b60SBellido Nicolas 2808ad68bbfSCatalin Marinassource "arch/arm/mach-realview/Kconfig" 2818ad68bbfSCatalin Marinas 28273a59c1cSSAN Peoplesource "arch/arm/mach-at91rm9200/Kconfig" 28373a59c1cSSAN People 2841da177e4SLinus Torvalds# Definitions to make life easier 2851da177e4SLinus Torvaldsconfig ARCH_ACORN 2861da177e4SLinus Torvalds bool 2871da177e4SLinus Torvalds 2881da177e4SLinus Torvaldssource arch/arm/mm/Kconfig 2891da177e4SLinus Torvalds 2901da177e4SLinus Torvalds# bool 'Use XScale PMU as timer source' CONFIG_XSCALE_PMU_TIMER 2911da177e4SLinus Torvaldsconfig XSCALE_PMU 2921da177e4SLinus Torvalds bool 2931da177e4SLinus Torvalds depends on CPU_XSCALE && !XSCALE_PMU_TIMER 2941da177e4SLinus Torvalds default y 2951da177e4SLinus Torvalds 2961da177e4SLinus Torvaldsendmenu 2971da177e4SLinus Torvalds 2981da177e4SLinus Torvaldssource "arch/arm/common/Kconfig" 2991da177e4SLinus Torvalds 3001da177e4SLinus Torvaldsconfig FORCE_MAX_ZONEORDER 3011da177e4SLinus Torvalds int 3021da177e4SLinus Torvalds depends on SA1111 3031da177e4SLinus Torvalds default "9" 3041da177e4SLinus Torvalds 3051da177e4SLinus Torvaldsmenu "Bus support" 3061da177e4SLinus Torvalds 3071da177e4SLinus Torvaldsconfig ARM_AMBA 3081da177e4SLinus Torvalds bool 3091da177e4SLinus Torvalds 3101da177e4SLinus Torvaldsconfig ISA 3111da177e4SLinus Torvalds bool 3121da177e4SLinus Torvalds help 3131da177e4SLinus Torvalds Find out whether you have ISA slots on your motherboard. ISA is the 3141da177e4SLinus Torvalds name of a bus system, i.e. the way the CPU talks to the other stuff 3151da177e4SLinus Torvalds inside your box. Other bus systems are PCI, EISA, MicroChannel 3161da177e4SLinus Torvalds (MCA) or VESA. ISA is an older system, now being displaced by PCI; 3171da177e4SLinus Torvalds newer boards don't support it. If you have ISA, say Y, otherwise N. 3181da177e4SLinus Torvalds 319065909b9SRussell King# Select ISA DMA controller support 3201da177e4SLinus Torvaldsconfig ISA_DMA 3211da177e4SLinus Torvalds bool 322065909b9SRussell King select ISA_DMA_API 3231da177e4SLinus Torvalds 324065909b9SRussell King# Select ISA DMA interface 3255cae841bSAl Viroconfig ISA_DMA_API 3265cae841bSAl Viro bool 3275cae841bSAl Viro 3281da177e4SLinus Torvaldsconfig PCI 329c0da085aSCatalin Marinas bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB 3301da177e4SLinus Torvalds help 3311da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 3321da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 3331da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or 3341da177e4SLinus Torvalds VESA. If you have PCI, say Y, otherwise N. 3351da177e4SLinus Torvalds 3361da177e4SLinus Torvalds The PCI-HOWTO, available from 3371da177e4SLinus Torvalds <http://www.tldp.org/docs.html#howto>, contains valuable 3381da177e4SLinus Torvalds information about which PCI hardware does work under Linux and which 3391da177e4SLinus Torvalds doesn't. 3401da177e4SLinus Torvalds 3411da177e4SLinus Torvalds# Select the host bridge type 3421da177e4SLinus Torvaldsconfig PCI_HOST_VIA82C505 3431da177e4SLinus Torvalds bool 3441da177e4SLinus Torvalds depends on PCI && ARCH_SHARK 3451da177e4SLinus Torvalds default y 3461da177e4SLinus Torvalds 3471da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 3481da177e4SLinus Torvalds 3491da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 3501da177e4SLinus Torvalds 3511da177e4SLinus Torvaldsendmenu 3521da177e4SLinus Torvalds 3531da177e4SLinus Torvaldsmenu "Kernel Features" 3541da177e4SLinus Torvalds 3551da177e4SLinus Torvaldsconfig SMP 3561da177e4SLinus Torvalds bool "Symmetric Multi-Processing (EXPERIMENTAL)" 357f6db449cSRussell King depends on EXPERIMENTAL && REALVIEW_MPCORE 3581da177e4SLinus Torvalds help 3591da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 3601da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 3611da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 3621da177e4SLinus Torvalds 3631da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 3641da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 3651da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, single 3661da177e4SLinus Torvalds processor machines. On a single processor machine, the kernel will 3671da177e4SLinus Torvalds run faster if you say N here. 3681da177e4SLinus Torvalds 36912c62c2eSArthur Othieno See also the <file:Documentation/smp.txt>, 37012c62c2eSArthur Othieno <file:Documentation/i386/IO-APIC.txt>, 3711da177e4SLinus Torvalds <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at 3721da177e4SLinus Torvalds <http://www.linuxdoc.org/docs.html#howto>. 3731da177e4SLinus Torvalds 3741da177e4SLinus Torvalds If you don't know what to do here, say N. 3751da177e4SLinus Torvalds 3761da177e4SLinus Torvaldsconfig NR_CPUS 3771da177e4SLinus Torvalds int "Maximum number of CPUs (2-32)" 3781da177e4SLinus Torvalds range 2 32 3791da177e4SLinus Torvalds depends on SMP 3801da177e4SLinus Torvalds default "4" 3811da177e4SLinus Torvalds 382a054a811SRussell Kingconfig HOTPLUG_CPU 383a054a811SRussell King bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" 384a054a811SRussell King depends on SMP && HOTPLUG && EXPERIMENTAL 385a054a811SRussell King help 386a054a811SRussell King Say Y here to experiment with turning CPUs off and on. CPUs 387a054a811SRussell King can be controlled through /sys/devices/system/cpu. 388a054a811SRussell King 38937ee16aeSRussell Kingconfig LOCAL_TIMERS 39037ee16aeSRussell King bool "Use local timer interrupts" 3912a98beb6SRussell King depends on SMP && REALVIEW_MPCORE 39237ee16aeSRussell King default y 39337ee16aeSRussell King help 39437ee16aeSRussell King Enable support for local timers on SMP platforms, rather then the 39537ee16aeSRussell King legacy IPI broadcast method. Local timers allows the system 39637ee16aeSRussell King accounting to be spread across the timer interval, preventing a 39737ee16aeSRussell King "thundering herd" at every timer tick. 39837ee16aeSRussell King 3991da177e4SLinus Torvaldsconfig PREEMPT 4001da177e4SLinus Torvalds bool "Preemptible Kernel (EXPERIMENTAL)" 4011da177e4SLinus Torvalds depends on EXPERIMENTAL 4021da177e4SLinus Torvalds help 4031da177e4SLinus Torvalds This option reduces the latency of the kernel when reacting to 4041da177e4SLinus Torvalds real-time or interactive events by allowing a low priority process to 4051da177e4SLinus Torvalds be preempted even if it is in kernel mode executing a system call. 4061da177e4SLinus Torvalds This allows applications to run more reliably even when the system is 4071da177e4SLinus Torvalds under load. 4081da177e4SLinus Torvalds 4091da177e4SLinus Torvalds Say Y here if you are building a kernel for a desktop, embedded 4101da177e4SLinus Torvalds or real-time system. Say N if you are unsure. 4111da177e4SLinus Torvalds 4128749af68SRussell Kingconfig NO_IDLE_HZ 4138749af68SRussell King bool "Dynamic tick timer" 4148749af68SRussell King help 4158749af68SRussell King Select this option if you want to disable continuous timer ticks 4168749af68SRussell King and have them programmed to occur as required. This option saves 4178749af68SRussell King power as the system can remain in idle state for longer. 4188749af68SRussell King 4198749af68SRussell King By default dynamic tick is disabled during the boot, and can be 4208749af68SRussell King manually enabled with: 4218749af68SRussell King 4228749af68SRussell King echo 1 > /sys/devices/system/timer/timer0/dyn_tick 4238749af68SRussell King 4248749af68SRussell King Alternatively, if you want dynamic tick automatically enabled 4258749af68SRussell King during boot, pass "dyntick=enable" via the kernel command string. 4268749af68SRussell King 427f2be64b3STony Lindgren Please note that dynamic tick may affect the accuracy of 428f2be64b3STony Lindgren timekeeping on some platforms depending on the implementation. 429569d2c34SNicolas Pitre Currently at least OMAP, PXA2xx and SA11x0 platforms are known 430569d2c34SNicolas Pitre to have accurate timekeeping with dynamic tick. 431f2be64b3STony Lindgren 432704bdda0SNicolas Pitreconfig AEABI 433704bdda0SNicolas Pitre bool "Use the ARM EABI to compile the kernel" 434704bdda0SNicolas Pitre help 435704bdda0SNicolas Pitre This option allows for the kernel to be compiled using the latest 436704bdda0SNicolas Pitre ARM ABI (aka EABI). This is only useful if you are using a user 437704bdda0SNicolas Pitre space environment that is also compiled with EABI. 438704bdda0SNicolas Pitre 439704bdda0SNicolas Pitre Since there are major incompatibilities between the legacy ABI and 440704bdda0SNicolas Pitre EABI, especially with regard to structure member alignment, this 441704bdda0SNicolas Pitre option also changes the kernel syscall calling convention to 442704bdda0SNicolas Pitre disambiguate both ABIs and allow for backward compatibility support 443704bdda0SNicolas Pitre (selected with CONFIG_OABI_COMPAT). 444704bdda0SNicolas Pitre 445704bdda0SNicolas Pitre To use this you need GCC version 4.0.0 or later. 446704bdda0SNicolas Pitre 4476c90c872SNicolas Pitreconfig OABI_COMPAT 4486c90c872SNicolas Pitre bool "Allow old ABI binaries to run with this kernel" 4496c90c872SNicolas Pitre depends on AEABI 4506c90c872SNicolas Pitre default y 4516c90c872SNicolas Pitre help 4526c90c872SNicolas Pitre This option preserves the old syscall interface along with the 4536c90c872SNicolas Pitre new (ARM EABI) one. It also provides a compatibility layer to 4546c90c872SNicolas Pitre intercept syscalls that have structure arguments which layout 4556c90c872SNicolas Pitre in memory differs between the legacy ABI and the new ARM EABI 4566c90c872SNicolas Pitre (only for non "thumb" binaries). This option adds a tiny 4576c90c872SNicolas Pitre overhead to all syscalls and produces a slightly larger kernel. 4586c90c872SNicolas Pitre If you know you'll be using only pure EABI user space then you 4596c90c872SNicolas Pitre can say N here. If this option is not selected and you attempt 4606c90c872SNicolas Pitre to execute a legacy ABI binary then the result will be 4616c90c872SNicolas Pitre UNPREDICTABLE (in fact it can be predicted that it won't work 4626c90c872SNicolas Pitre at all). If in doubt say Y. 4636c90c872SNicolas Pitre 4643f22ab27SDave Hansenconfig ARCH_DISCONTIGMEM_ENABLE 4651da177e4SLinus Torvalds bool 466f7e68bbfSRussell King default (ARCH_LH7A40X && !LH7A40X_CONTIGMEM) 4671da177e4SLinus Torvalds help 4681da177e4SLinus Torvalds Say Y to support efficient handling of discontiguous physical memory, 4691da177e4SLinus Torvalds for architectures which are either NUMA (Non-Uniform Memory Access) 4701da177e4SLinus Torvalds or have huge holes in the physical address space for other reasons. 4711da177e4SLinus Torvalds See <file:Documentation/vm/numa> for more. 4721da177e4SLinus Torvalds 4733f22ab27SDave Hansensource "mm/Kconfig" 4743f22ab27SDave Hansen 4751da177e4SLinus Torvaldsconfig LEDS 4761da177e4SLinus Torvalds bool "Timer and CPU usage LEDs" 4771da177e4SLinus Torvalds depends on ARCH_CDB89712 || ARCH_CO285 || ARCH_EBSA110 || \ 4781da177e4SLinus Torvalds ARCH_EBSA285 || ARCH_IMX || ARCH_INTEGRATOR || \ 4791da177e4SLinus Torvalds ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_NETWINDER || \ 4801da177e4SLinus Torvalds ARCH_OMAP || ARCH_P720T || ARCH_PXA_IDP || \ 48173a59c1cSSAN People ARCH_SA1100 || ARCH_SHARK || ARCH_VERSATILE || \ 48273a59c1cSSAN People ARCH_AT91RM9200 4831da177e4SLinus Torvalds help 4841da177e4SLinus Torvalds If you say Y here, the LEDs on your machine will be used 4851da177e4SLinus Torvalds to provide useful information about your current system status. 4861da177e4SLinus Torvalds 4871da177e4SLinus Torvalds If you are compiling a kernel for a NetWinder or EBSA-285, you will 4881da177e4SLinus Torvalds be able to select which LEDs are active using the options below. If 4891da177e4SLinus Torvalds you are compiling a kernel for the EBSA-110 or the LART however, the 4901da177e4SLinus Torvalds red LED will simply flash regularly to indicate that the system is 4911da177e4SLinus Torvalds still functional. It is safe to say Y here if you have a CATS 4921da177e4SLinus Torvalds system, but the driver will do nothing. 4931da177e4SLinus Torvalds 4941da177e4SLinus Torvaldsconfig LEDS_TIMER 4951da177e4SLinus Torvalds bool "Timer LED" if (!ARCH_CDB89712 && !ARCH_OMAP) || \ 4961da177e4SLinus Torvalds MACH_OMAP_H2 || MACH_OMAP_PERSEUS2 4971da177e4SLinus Torvalds depends on LEDS 4981da177e4SLinus Torvalds default y if ARCH_EBSA110 4991da177e4SLinus Torvalds help 5001da177e4SLinus Torvalds If you say Y here, one of the system LEDs (the green one on the 5011da177e4SLinus Torvalds NetWinder, the amber one on the EBSA285, or the red one on the LART) 5021da177e4SLinus Torvalds will flash regularly to indicate that the system is still 5031da177e4SLinus Torvalds operational. This is mainly useful to kernel hackers who are 5041da177e4SLinus Torvalds debugging unstable kernels. 5051da177e4SLinus Torvalds 5061da177e4SLinus Torvalds The LART uses the same LED for both Timer LED and CPU usage LED 5071da177e4SLinus Torvalds functions. You may choose to use both, but the Timer LED function 5081da177e4SLinus Torvalds will overrule the CPU usage LED. 5091da177e4SLinus Torvalds 5101da177e4SLinus Torvaldsconfig LEDS_CPU 5111da177e4SLinus Torvalds bool "CPU usage LED" if (!ARCH_CDB89712 && !ARCH_EBSA110 && \ 5121da177e4SLinus Torvalds !ARCH_OMAP) || MACH_OMAP_H2 || MACH_OMAP_PERSEUS2 5131da177e4SLinus Torvalds depends on LEDS 5141da177e4SLinus Torvalds help 5151da177e4SLinus Torvalds If you say Y here, the red LED will be used to give a good real 5161da177e4SLinus Torvalds time indication of CPU usage, by lighting whenever the idle task 5171da177e4SLinus Torvalds is not currently executing. 5181da177e4SLinus Torvalds 5191da177e4SLinus Torvalds The LART uses the same LED for both Timer LED and CPU usage LED 5201da177e4SLinus Torvalds functions. You may choose to use both, but the Timer LED function 5211da177e4SLinus Torvalds will overrule the CPU usage LED. 5221da177e4SLinus Torvalds 5231da177e4SLinus Torvaldsconfig ALIGNMENT_TRAP 5241da177e4SLinus Torvalds bool 5251da177e4SLinus Torvalds default y if !ARCH_EBSA110 5261da177e4SLinus Torvalds help 5271da177e4SLinus Torvalds ARM processors can not fetch/store information which is not 5281da177e4SLinus Torvalds naturally aligned on the bus, i.e., a 4 byte fetch must start at an 5291da177e4SLinus Torvalds address divisible by 4. On 32-bit ARM processors, these non-aligned 5301da177e4SLinus Torvalds fetch/store instructions will be emulated in software if you say 5311da177e4SLinus Torvalds here, which has a severe performance impact. This is necessary for 5321da177e4SLinus Torvalds correct operation of some network protocols. With an IP-only 5331da177e4SLinus Torvalds configuration it is safe to say N, otherwise say Y. 5341da177e4SLinus Torvalds 5351da177e4SLinus Torvaldsendmenu 5361da177e4SLinus Torvalds 5371da177e4SLinus Torvaldsmenu "Boot options" 5381da177e4SLinus Torvalds 5391da177e4SLinus Torvalds# Compressed boot loader in ROM. Yes, we really want to ask about 5401da177e4SLinus Torvalds# TEXT and BSS so we preserve their values in the config files. 5411da177e4SLinus Torvaldsconfig ZBOOT_ROM_TEXT 5421da177e4SLinus Torvalds hex "Compressed ROM boot loader base address" 5431da177e4SLinus Torvalds default "0" 5441da177e4SLinus Torvalds help 5451da177e4SLinus Torvalds The physical address at which the ROM-able zImage is to be 5461da177e4SLinus Torvalds placed in the target. Platforms which normally make use of 5471da177e4SLinus Torvalds ROM-able zImage formats normally set this to a suitable 5481da177e4SLinus Torvalds value in their defconfig file. 5491da177e4SLinus Torvalds 5501da177e4SLinus Torvalds If ZBOOT_ROM is not enabled, this has no effect. 5511da177e4SLinus Torvalds 5521da177e4SLinus Torvaldsconfig ZBOOT_ROM_BSS 5531da177e4SLinus Torvalds hex "Compressed ROM boot loader BSS address" 5541da177e4SLinus Torvalds default "0" 5551da177e4SLinus Torvalds help 5561da177e4SLinus Torvalds The base address of 64KiB of read/write memory in the target 5571da177e4SLinus Torvalds for the ROM-able zImage, which must be available while the 5581da177e4SLinus Torvalds decompressor is running. Platforms which normally make use of 5591da177e4SLinus Torvalds ROM-able zImage formats normally set this to a suitable 5601da177e4SLinus Torvalds value in their defconfig file. 5611da177e4SLinus Torvalds 5621da177e4SLinus Torvalds If ZBOOT_ROM is not enabled, this has no effect. 5631da177e4SLinus Torvalds 5641da177e4SLinus Torvaldsconfig ZBOOT_ROM 5651da177e4SLinus Torvalds bool "Compressed boot loader in ROM/flash" 5661da177e4SLinus Torvalds depends on ZBOOT_ROM_TEXT != ZBOOT_ROM_BSS 5671da177e4SLinus Torvalds help 5681da177e4SLinus Torvalds Say Y here if you intend to execute your compressed kernel image 5691da177e4SLinus Torvalds (zImage) directly from ROM or flash. If unsure, say N. 5701da177e4SLinus Torvalds 5711da177e4SLinus Torvaldsconfig CMDLINE 5721da177e4SLinus Torvalds string "Default kernel command string" 5731da177e4SLinus Torvalds default "" 5741da177e4SLinus Torvalds help 5751da177e4SLinus Torvalds On some architectures (EBSA110 and CATS), there is currently no way 5761da177e4SLinus Torvalds for the boot loader to pass arguments to the kernel. For these 5771da177e4SLinus Torvalds architectures, you should supply some command-line options at build 5781da177e4SLinus Torvalds time by entering them here. As a minimum, you should specify the 5791da177e4SLinus Torvalds memory size and the root device (e.g., mem=64M root=/dev/nfs). 5801da177e4SLinus Torvalds 5811da177e4SLinus Torvaldsconfig XIP_KERNEL 5821da177e4SLinus Torvalds bool "Kernel Execute-In-Place from ROM" 5831da177e4SLinus Torvalds depends on !ZBOOT_ROM 5841da177e4SLinus Torvalds help 5851da177e4SLinus Torvalds Execute-In-Place allows the kernel to run from non-volatile storage 5861da177e4SLinus Torvalds directly addressable by the CPU, such as NOR flash. This saves RAM 5871da177e4SLinus Torvalds space since the text section of the kernel is not loaded from flash 5881da177e4SLinus Torvalds to RAM. Read-write sections, such as the data section and stack, 5891da177e4SLinus Torvalds are still copied to RAM. The XIP kernel is not compressed since 5901da177e4SLinus Torvalds it has to run directly from flash, so it will take more space to 5911da177e4SLinus Torvalds store it. The flash address used to link the kernel object files, 5921da177e4SLinus Torvalds and for storing it, is configuration dependent. Therefore, if you 5931da177e4SLinus Torvalds say Y here, you must know the proper physical address where to 5941da177e4SLinus Torvalds store the kernel image depending on your own flash memory usage. 5951da177e4SLinus Torvalds 5961da177e4SLinus Torvalds Also note that the make target becomes "make xipImage" rather than 5971da177e4SLinus Torvalds "make zImage" or "make Image". The final kernel binary to put in 5981da177e4SLinus Torvalds ROM memory will be arch/arm/boot/xipImage. 5991da177e4SLinus Torvalds 6001da177e4SLinus Torvalds If unsure, say N. 6011da177e4SLinus Torvalds 6021da177e4SLinus Torvaldsconfig XIP_PHYS_ADDR 6031da177e4SLinus Torvalds hex "XIP Kernel Physical Location" 6041da177e4SLinus Torvalds depends on XIP_KERNEL 6051da177e4SLinus Torvalds default "0x00080000" 6061da177e4SLinus Torvalds help 6071da177e4SLinus Torvalds This is the physical address in your flash memory the kernel will 6081da177e4SLinus Torvalds be linked for and stored to. This address is dependent on your 6091da177e4SLinus Torvalds own flash usage. 6101da177e4SLinus Torvalds 6111da177e4SLinus Torvaldsendmenu 6121da177e4SLinus Torvalds 613ec6bced6STony Lindgrenif (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP1) 6141da177e4SLinus Torvalds 6151da177e4SLinus Torvaldsmenu "CPU Frequency scaling" 6161da177e4SLinus Torvalds 6171da177e4SLinus Torvaldssource "drivers/cpufreq/Kconfig" 6181da177e4SLinus Torvalds 6191da177e4SLinus Torvaldsconfig CPU_FREQ_SA1100 6201da177e4SLinus Torvalds bool 62107c6d48fSVincent Sanders depends on CPU_FREQ && (SA1100_H3100 || SA1100_H3600 || SA1100_H3800 || SA1100_LART || SA1100_PLEB || SA1100_BADGE4 || SA1100_HACKKIT) 6221da177e4SLinus Torvalds default y 6231da177e4SLinus Torvalds 6241da177e4SLinus Torvaldsconfig CPU_FREQ_SA1110 6251da177e4SLinus Torvalds bool 6261da177e4SLinus Torvalds depends on CPU_FREQ && (SA1100_ASSABET || SA1100_CERF || SA1100_PT_SYSTEM3) 6271da177e4SLinus Torvalds default y 6281da177e4SLinus Torvalds 6291da177e4SLinus Torvaldsconfig CPU_FREQ_INTEGRATOR 6301da177e4SLinus Torvalds tristate "CPUfreq driver for ARM Integrator CPUs" 6311da177e4SLinus Torvalds depends on ARCH_INTEGRATOR && CPU_FREQ 6321da177e4SLinus Torvalds default y 6331da177e4SLinus Torvalds help 6341da177e4SLinus Torvalds This enables the CPUfreq driver for ARM Integrator CPUs. 6351da177e4SLinus Torvalds 6361da177e4SLinus Torvalds For details, take a look at <file:Documentation/cpu-freq>. 6371da177e4SLinus Torvalds 6381da177e4SLinus Torvalds If in doubt, say Y. 6391da177e4SLinus Torvalds 6401da177e4SLinus Torvaldsendmenu 6411da177e4SLinus Torvalds 6421da177e4SLinus Torvaldsendif 6431da177e4SLinus Torvalds 6441da177e4SLinus Torvaldsmenu "Floating point emulation" 6451da177e4SLinus Torvalds 6461da177e4SLinus Torvaldscomment "At least one emulation must be selected" 6471da177e4SLinus Torvalds 6481da177e4SLinus Torvaldsconfig FPE_NWFPE 6491da177e4SLinus Torvalds bool "NWFPE math emulation" 6508993a44cSNicolas Pitre depends on !AEABI || OABI_COMPAT 6511da177e4SLinus Torvalds ---help--- 6521da177e4SLinus Torvalds Say Y to include the NWFPE floating point emulator in the kernel. 6531da177e4SLinus Torvalds This is necessary to run most binaries. Linux does not currently 6541da177e4SLinus Torvalds support floating point hardware so you need to say Y here even if 6551da177e4SLinus Torvalds your machine has an FPA or floating point co-processor podule. 6561da177e4SLinus Torvalds 6571da177e4SLinus Torvalds You may say N here if you are going to load the Acorn FPEmulator 6581da177e4SLinus Torvalds early in the bootup. 6591da177e4SLinus Torvalds 6601da177e4SLinus Torvaldsconfig FPE_NWFPE_XP 6611da177e4SLinus Torvalds bool "Support extended precision" 662bedf142bSLennert Buytenhek depends on FPE_NWFPE 6631da177e4SLinus Torvalds help 6641da177e4SLinus Torvalds Say Y to include 80-bit support in the kernel floating-point 6651da177e4SLinus Torvalds emulator. Otherwise, only 32 and 64-bit support is compiled in. 6661da177e4SLinus Torvalds Note that gcc does not generate 80-bit operations by default, 6671da177e4SLinus Torvalds so in most cases this option only enlarges the size of the 6681da177e4SLinus Torvalds floating point emulator without any good reason. 6691da177e4SLinus Torvalds 6701da177e4SLinus Torvalds You almost surely want to say N here. 6711da177e4SLinus Torvalds 6721da177e4SLinus Torvaldsconfig FPE_FASTFPE 6731da177e4SLinus Torvalds bool "FastFPE math emulation (EXPERIMENTAL)" 6748993a44cSNicolas Pitre depends on (!AEABI || OABI_COMPAT) && !CPU_32v3 && EXPERIMENTAL 6751da177e4SLinus Torvalds ---help--- 6761da177e4SLinus Torvalds Say Y here to include the FAST floating point emulator in the kernel. 6771da177e4SLinus Torvalds This is an experimental much faster emulator which now also has full 6781da177e4SLinus Torvalds precision for the mantissa. It does not support any exceptions. 6791da177e4SLinus Torvalds It is very simple, and approximately 3-6 times faster than NWFPE. 6801da177e4SLinus Torvalds 6811da177e4SLinus Torvalds It should be sufficient for most programs. It may be not suitable 6821da177e4SLinus Torvalds for scientific calculations, but you have to check this for yourself. 6831da177e4SLinus Torvalds If you do not feel you need a faster FP emulation you should better 6841da177e4SLinus Torvalds choose NWFPE. 6851da177e4SLinus Torvalds 6861da177e4SLinus Torvaldsconfig VFP 6871da177e4SLinus Torvalds bool "VFP-format floating point maths" 6881da177e4SLinus Torvalds depends on CPU_V6 || CPU_ARM926T 6891da177e4SLinus Torvalds help 6901da177e4SLinus Torvalds Say Y to include VFP support code in the kernel. This is needed 6911da177e4SLinus Torvalds if your hardware includes a VFP unit. 6921da177e4SLinus Torvalds 6931da177e4SLinus Torvalds Please see <file:Documentation/arm/VFP/release-notes.txt> for 6941da177e4SLinus Torvalds release notes and additional status information. 6951da177e4SLinus Torvalds 6961da177e4SLinus Torvalds Say N if your target does not have VFP hardware. 6971da177e4SLinus Torvalds 6981da177e4SLinus Torvaldsendmenu 6991da177e4SLinus Torvalds 7001da177e4SLinus Torvaldsmenu "Userspace binary formats" 7011da177e4SLinus Torvalds 7021da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 7031da177e4SLinus Torvalds 7041da177e4SLinus Torvaldsconfig ARTHUR 7051da177e4SLinus Torvalds tristate "RISC OS personality" 706704bdda0SNicolas Pitre depends on !AEABI 7071da177e4SLinus Torvalds help 7081da177e4SLinus Torvalds Say Y here to include the kernel code necessary if you want to run 7091da177e4SLinus Torvalds Acorn RISC OS/Arthur binaries under Linux. This code is still very 7101da177e4SLinus Torvalds experimental; if this sounds frightening, say N and sleep in peace. 7111da177e4SLinus Torvalds You can also say M here to compile this support as a module (which 7121da177e4SLinus Torvalds will be called arthur). 7131da177e4SLinus Torvalds 7141da177e4SLinus Torvaldsendmenu 7151da177e4SLinus Torvalds 7161da177e4SLinus Torvaldsmenu "Power management options" 7171da177e4SLinus Torvalds 718eceab4acSRussell Kingsource "kernel/power/Kconfig" 7191da177e4SLinus Torvalds 7201da177e4SLinus Torvaldsconfig APM 7211da177e4SLinus Torvalds tristate "Advanced Power Management Emulation" 7221da177e4SLinus Torvalds ---help--- 7231da177e4SLinus Torvalds APM is a BIOS specification for saving power using several different 7241da177e4SLinus Torvalds techniques. This is mostly useful for battery powered laptops with 7251da177e4SLinus Torvalds APM compliant BIOSes. If you say Y here, the system time will be 7261da177e4SLinus Torvalds reset after a RESUME operation, the /proc/apm device will provide 7271da177e4SLinus Torvalds battery status information, and user-space programs will receive 7281da177e4SLinus Torvalds notification of APM "events" (e.g. battery status change). 7291da177e4SLinus Torvalds 7301da177e4SLinus Torvalds In order to use APM, you will need supporting software. For location 7311da177e4SLinus Torvalds and more information, read <file:Documentation/pm.txt> and the 7321da177e4SLinus Torvalds Battery Powered Linux mini-HOWTO, available from 7331da177e4SLinus Torvalds <http://www.tldp.org/docs.html#howto>. 7341da177e4SLinus Torvalds 7351da177e4SLinus Torvalds This driver does not spin down disk drives (see the hdparm(8) 7361da177e4SLinus Torvalds manpage ("man 8 hdparm") for that), and it doesn't turn off 7371da177e4SLinus Torvalds VESA-compliant "green" monitors. 7381da177e4SLinus Torvalds 7391da177e4SLinus Torvalds Generally, if you don't have a battery in your machine, there isn't 7401da177e4SLinus Torvalds much point in using this driver and you should say N. If you get 7411da177e4SLinus Torvalds random kernel OOPSes or reboots that don't seem to be related to 7421da177e4SLinus Torvalds anything, try disabling/enabling this option (or disabling/enabling 7431da177e4SLinus Torvalds APM in your BIOS). 7441da177e4SLinus Torvalds 7451da177e4SLinus Torvaldsendmenu 7461da177e4SLinus Torvalds 747d5950b43SSam Ravnborgsource "net/Kconfig" 748d5950b43SSam Ravnborg 7491da177e4SLinus Torvaldsmenu "Device Drivers" 7501da177e4SLinus Torvalds 7511da177e4SLinus Torvaldssource "drivers/base/Kconfig" 7521da177e4SLinus Torvalds 753c35bf4a5SPavel Macheksource "drivers/connector/Kconfig" 754c35bf4a5SPavel Machek 7551da177e4SLinus Torvaldsif ALIGNMENT_TRAP 7561da177e4SLinus Torvaldssource "drivers/mtd/Kconfig" 7571da177e4SLinus Torvaldsendif 7581da177e4SLinus Torvalds 7591da177e4SLinus Torvaldssource "drivers/parport/Kconfig" 7601da177e4SLinus Torvalds 7611da177e4SLinus Torvaldssource "drivers/pnp/Kconfig" 7621da177e4SLinus Torvalds 7631da177e4SLinus Torvaldssource "drivers/block/Kconfig" 7641da177e4SLinus Torvalds 7651da177e4SLinus Torvaldssource "drivers/acorn/block/Kconfig" 7661da177e4SLinus Torvalds 767bb011b8eSDavid Brownellif PCMCIA || ARCH_CLPS7500 || ARCH_IOP3XX || ARCH_IXP4XX \ 768bb011b8eSDavid Brownell || ARCH_L7200 || ARCH_LH7A40X || ARCH_PXA || ARCH_RPC \ 769d56c524aSRussell King || ARCH_S3C2410 || ARCH_SA1100 || ARCH_SHARK || FOOTBRIDGE 7701da177e4SLinus Torvaldssource "drivers/ide/Kconfig" 7711da177e4SLinus Torvaldsendif 7721da177e4SLinus Torvalds 7731da177e4SLinus Torvaldssource "drivers/scsi/Kconfig" 7741da177e4SLinus Torvalds 7751da177e4SLinus Torvaldssource "drivers/md/Kconfig" 7761da177e4SLinus Torvalds 7771da177e4SLinus Torvaldssource "drivers/message/fusion/Kconfig" 7781da177e4SLinus Torvalds 7791da177e4SLinus Torvaldssource "drivers/ieee1394/Kconfig" 7801da177e4SLinus Torvalds 7811da177e4SLinus Torvaldssource "drivers/message/i2o/Kconfig" 7821da177e4SLinus Torvalds 783d5950b43SSam Ravnborgsource "drivers/net/Kconfig" 7841da177e4SLinus Torvalds 7851da177e4SLinus Torvaldssource "drivers/isdn/Kconfig" 7861da177e4SLinus Torvalds 7871da177e4SLinus Torvalds# input before char - char/joystick depends on it. As does USB. 7881da177e4SLinus Torvalds 7891da177e4SLinus Torvaldssource "drivers/input/Kconfig" 7901da177e4SLinus Torvalds 7911da177e4SLinus Torvaldssource "drivers/char/Kconfig" 7921da177e4SLinus Torvalds 7931da177e4SLinus Torvaldssource "drivers/i2c/Kconfig" 7941da177e4SLinus Torvalds 7958ae12a0dSDavid Brownellsource "drivers/spi/Kconfig" 7968ae12a0dSDavid Brownell 797ad2f931dSJean Delvaresource "drivers/hwmon/Kconfig" 798ad2f931dSJean Delvare 7991da177e4SLinus Torvalds#source "drivers/l3/Kconfig" 8001da177e4SLinus Torvalds 8011da177e4SLinus Torvaldssource "drivers/misc/Kconfig" 8021da177e4SLinus Torvalds 803a4e137abSRussell Kingsource "drivers/mfd/Kconfig" 804a4e137abSRussell King 8051da177e4SLinus Torvaldssource "drivers/media/Kconfig" 8061da177e4SLinus Torvalds 8071da177e4SLinus Torvaldssource "drivers/video/Kconfig" 8081da177e4SLinus Torvalds 8091da177e4SLinus Torvaldssource "sound/Kconfig" 8101da177e4SLinus Torvalds 8111da177e4SLinus Torvaldssource "drivers/usb/Kconfig" 8121da177e4SLinus Torvalds 8131da177e4SLinus Torvaldssource "drivers/mmc/Kconfig" 8141da177e4SLinus Torvalds 8151da177e4SLinus Torvaldsendmenu 8161da177e4SLinus Torvalds 8171da177e4SLinus Torvaldssource "fs/Kconfig" 8181da177e4SLinus Torvalds 8191da177e4SLinus Torvaldssource "arch/arm/oprofile/Kconfig" 8201da177e4SLinus Torvalds 8211da177e4SLinus Torvaldssource "arch/arm/Kconfig.debug" 8221da177e4SLinus Torvalds 8231da177e4SLinus Torvaldssource "security/Kconfig" 8241da177e4SLinus Torvalds 8251da177e4SLinus Torvaldssource "crypto/Kconfig" 8261da177e4SLinus Torvalds 8271da177e4SLinus Torvaldssource "lib/Kconfig" 828