xref: /linux/arch/arm/Kconfig (revision d861196163e30c07add471562b45dce38517c9b2)
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
11e17c6d56SDavid Woodhouse	select HAVE_AOUT
122064c946SAdrian Bunk	select HAVE_IDE
132778f620SRussell King	select HAVE_MEMBLOCK
1412b824fbSAlessandro Zummo	select RTC_LIB
1575e7153aSRalf Baechle	select SYS_SUPPORTS_APM_EMULATION
1624b44a66SWill Deacon	select GENERIC_ATOMIC64 if (!CPU_32v6K)
17fe166148SWill Deacon	select HAVE_OPROFILE if (HAVE_PERF_EVENTS)
185cbad0ebSJason Wessel	select HAVE_ARCH_KGDB
193f550096SMathieu Desnoyers	select HAVE_KPROBES if (!XIP_KERNEL)
209edddaa2SAnanth N Mavinakayanahalli	select HAVE_KRETPROBES if (HAVE_KPROBES)
21606576ceSSteven Rostedt	select HAVE_FUNCTION_TRACER if (!XIP_KERNEL)
221fe53268SDmitry Baryshkov	select HAVE_GENERIC_DMA_COHERENT
23e7db7b42SAlbin Tonnerre	select HAVE_KERNEL_GZIP
24e7db7b42SAlbin Tonnerre	select HAVE_KERNEL_LZO
256e8699f7SAlbin Tonnerre	select HAVE_KERNEL_LZMA
267ada189fSJamie Iles	select HAVE_PERF_EVENTS
277ada189fSJamie Iles	select PERF_USE_VMALLOC
28e513f8bfSWill Deacon	select HAVE_REGS_AND_STACK_ACCESS_API
291da177e4SLinus Torvalds	help
301da177e4SLinus Torvalds	  The ARM series is a line of low-power-consumption RISC chip designs
31f6c8965aSMartin Michlmayr	  licensed by ARM Ltd and targeted at embedded applications and
321da177e4SLinus Torvalds	  handhelds such as the Compaq IPAQ.  ARM-based PCs are no longer
331da177e4SLinus Torvalds	  manufactured, but legacy ARM-based PC hardware remains popular in
341da177e4SLinus Torvalds	  Europe.  There is an ARM Linux project with a web page at
351da177e4SLinus Torvalds	  <http://www.arm.linux.org.uk/>.
361da177e4SLinus Torvalds
371a189b97SRussell Kingconfig HAVE_PWM
381a189b97SRussell King	bool
391a189b97SRussell King
4075e7153aSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION
4175e7153aSRalf Baechle	bool
4275e7153aSRalf Baechle
430a938b97SDavid Brownellconfig GENERIC_GPIO
440a938b97SDavid Brownell	bool
450a938b97SDavid Brownell
46746140c7SKevin Hilmanconfig GENERIC_TIME
47746140c7SKevin Hilman	bool
485cfc8ee0SJohn Stultz	default y
495cfc8ee0SJohn Stultz
505cfc8ee0SJohn Stultzconfig ARCH_USES_GETTIMEOFFSET
515cfc8ee0SJohn Stultz	bool
525cfc8ee0SJohn Stultz	default n
53746140c7SKevin Hilman
540567a0c0SKevin Hilmanconfig GENERIC_CLOCKEVENTS
550567a0c0SKevin Hilman	bool
560567a0c0SKevin Hilman
57a8655e83SCatalin Marinasconfig GENERIC_CLOCKEVENTS_BROADCAST
58a8655e83SCatalin Marinas	bool
59a8655e83SCatalin Marinas	depends on GENERIC_CLOCKEVENTS
605388a6b2SRussell King	default y if SMP
61a8655e83SCatalin Marinas
62bc581770SLinus Walleijconfig HAVE_TCM
63bc581770SLinus Walleij	bool
64bc581770SLinus Walleij	select GENERIC_ALLOCATOR
65bc581770SLinus Walleij
66e119bfffSRussell Kingconfig HAVE_PROC_CPU
67e119bfffSRussell King	bool
68e119bfffSRussell King
695ea81769SAl Viroconfig NO_IOPORT
705ea81769SAl Viro	bool
715ea81769SAl Viro
721da177e4SLinus Torvaldsconfig EISA
731da177e4SLinus Torvalds	bool
741da177e4SLinus Torvalds	---help---
751da177e4SLinus Torvalds	  The Extended Industry Standard Architecture (EISA) bus was
761da177e4SLinus Torvalds	  developed as an open alternative to the IBM MicroChannel bus.
771da177e4SLinus Torvalds
781da177e4SLinus Torvalds	  The EISA bus provided some of the features of the IBM MicroChannel
791da177e4SLinus Torvalds	  bus while maintaining backward compatibility with cards made for
801da177e4SLinus Torvalds	  the older ISA bus.  The EISA bus saw limited use between 1988 and
811da177e4SLinus Torvalds	  1995 when it was made obsolete by the PCI bus.
821da177e4SLinus Torvalds
831da177e4SLinus Torvalds	  Say Y here if you are building a kernel for an EISA-based machine.
841da177e4SLinus Torvalds
851da177e4SLinus Torvalds	  Otherwise, say N.
861da177e4SLinus Torvalds
871da177e4SLinus Torvaldsconfig SBUS
881da177e4SLinus Torvalds	bool
891da177e4SLinus Torvalds
901da177e4SLinus Torvaldsconfig MCA
911da177e4SLinus Torvalds	bool
921da177e4SLinus Torvalds	help
931da177e4SLinus Torvalds	  MicroChannel Architecture is found in some IBM PS/2 machines and
941da177e4SLinus Torvalds	  laptops.  It is a bus system similar to PCI or ISA. See
951da177e4SLinus Torvalds	  <file:Documentation/mca.txt> (and especially the web page given
961da177e4SLinus Torvalds	  there) before attempting to build an MCA bus kernel.
971da177e4SLinus Torvalds
984a2581a0SThomas Gleixnerconfig GENERIC_HARDIRQS
994a2581a0SThomas Gleixner	bool
1004a2581a0SThomas Gleixner	default y
1014a2581a0SThomas Gleixner
102f16fb1ecSRussell Kingconfig STACKTRACE_SUPPORT
103f16fb1ecSRussell King	bool
104f16fb1ecSRussell King	default y
105f16fb1ecSRussell King
106f76e9154SNicolas Pitreconfig HAVE_LATENCYTOP_SUPPORT
107f76e9154SNicolas Pitre	bool
108f76e9154SNicolas Pitre	depends on !SMP
109f76e9154SNicolas Pitre	default y
110f76e9154SNicolas Pitre
111f16fb1ecSRussell Kingconfig LOCKDEP_SUPPORT
112f16fb1ecSRussell King	bool
113f16fb1ecSRussell King	default y
114f16fb1ecSRussell King
1157ad1bcb2SRussell Kingconfig TRACE_IRQFLAGS_SUPPORT
1167ad1bcb2SRussell King	bool
1177ad1bcb2SRussell King	default y
1187ad1bcb2SRussell King
1194a2581a0SThomas Gleixnerconfig HARDIRQS_SW_RESEND
1204a2581a0SThomas Gleixner	bool
1214a2581a0SThomas Gleixner	default y
1224a2581a0SThomas Gleixner
1234a2581a0SThomas Gleixnerconfig GENERIC_IRQ_PROBE
1244a2581a0SThomas Gleixner	bool
1254a2581a0SThomas Gleixner	default y
1264a2581a0SThomas Gleixner
12795c354feSNick Pigginconfig GENERIC_LOCKBREAK
12895c354feSNick Piggin	bool
12995c354feSNick Piggin	default y
13095c354feSNick Piggin	depends on SMP && PREEMPT
13195c354feSNick Piggin
1321da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK
1331da177e4SLinus Torvalds	bool
1341da177e4SLinus Torvalds	default y
1351da177e4SLinus Torvalds
1361da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM
1371da177e4SLinus Torvalds	bool
1381da177e4SLinus Torvalds
139f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32
140f0d1b0b3SDavid Howells	bool
141f0d1b0b3SDavid Howells
142f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64
143f0d1b0b3SDavid Howells	bool
144f0d1b0b3SDavid Howells
14589c52ed4SBen Dooksconfig ARCH_HAS_CPUFREQ
14689c52ed4SBen Dooks	bool
14789c52ed4SBen Dooks	help
14889c52ed4SBen Dooks	  Internal node to signify that the ARCH has CPUFREQ support
14989c52ed4SBen Dooks	  and that the relevant menu configurations are displayed for
15089c52ed4SBen Dooks	  it.
15189c52ed4SBen Dooks
152b89c3b16SAkinobu Mitaconfig GENERIC_HWEIGHT
153b89c3b16SAkinobu Mita	bool
154b89c3b16SAkinobu Mita	default y
155b89c3b16SAkinobu Mita
1561da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY
1571da177e4SLinus Torvalds	bool
1581da177e4SLinus Torvalds	default y
1591da177e4SLinus Torvalds
160a08b6b79Sviro@ZenIV.linux.org.ukconfig ARCH_MAY_HAVE_PC_FDC
161a08b6b79Sviro@ZenIV.linux.org.uk	bool
162a08b6b79Sviro@ZenIV.linux.org.uk
1635ac6da66SChristoph Lameterconfig ZONE_DMA
1645ac6da66SChristoph Lameter	bool
1655ac6da66SChristoph Lameter
166ccd7ab7fSFUJITA Tomonoriconfig NEED_DMA_MAP_STATE
167ccd7ab7fSFUJITA Tomonori       def_bool y
168ccd7ab7fSFUJITA Tomonori
1691da177e4SLinus Torvaldsconfig GENERIC_ISA_DMA
1701da177e4SLinus Torvalds	bool
1711da177e4SLinus Torvalds
1721da177e4SLinus Torvaldsconfig FIQ
1731da177e4SLinus Torvalds	bool
1741da177e4SLinus Torvalds
175034d2f5aSAl Viroconfig ARCH_MTD_XIP
176034d2f5aSAl Viro	bool
177034d2f5aSAl Viro
17860a752efSPaulius Zaleckasconfig GENERIC_HARDIRQS_NO__DO_IRQ
17960a752efSPaulius Zaleckas	def_bool y
18060a752efSPaulius Zaleckas
181d6d502faSKukjin Kimconfig ARM_L1_CACHE_SHIFT_6
182d6d502faSKukjin Kim	bool
183d6d502faSKukjin Kim	help
184d6d502faSKukjin Kim	  Setting ARM L1 cache line size to 64 Bytes.
185d6d502faSKukjin Kim
186c760fc19SHyok S. Choiconfig VECTORS_BASE
187c760fc19SHyok S. Choi	hex
1886afd6faeSHyok S. Choi	default 0xffff0000 if MMU || CPU_HIGH_VECTOR
189c760fc19SHyok S. Choi	default DRAM_BASE if REMAP_VECTORS_TO_RAM
190c760fc19SHyok S. Choi	default 0x00000000
191c760fc19SHyok S. Choi	help
192c760fc19SHyok S. Choi	  The base address of exception vectors.
193c760fc19SHyok S. Choi
1941da177e4SLinus Torvaldssource "init/Kconfig"
1951da177e4SLinus Torvalds
196dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer"
197dc52ddc0SMatt Helsley
1981da177e4SLinus Torvaldsmenu "System Type"
1991da177e4SLinus Torvalds
2003c427975SHyok S. Choiconfig MMU
2013c427975SHyok S. Choi	bool "MMU-based Paged Memory Management Support"
2023c427975SHyok S. Choi	default y
2033c427975SHyok S. Choi	help
2043c427975SHyok S. Choi	  Select if you want MMU-based virtualised addressing space
2053c427975SHyok S. Choi	  support by paged memory management. If unsure, say 'Y'.
2063c427975SHyok S. Choi
207ccf50e23SRussell King#
208ccf50e23SRussell King# The "ARM system type" choice list is ordered alphabetically by option
209ccf50e23SRussell King# text.  Please add new entries in the option alphabetic order.
210ccf50e23SRussell King#
2111da177e4SLinus Torvaldschoice
2121da177e4SLinus Torvalds	prompt "ARM system type"
2136a0e2430SCatalin Marinas	default ARCH_VERSATILE
2141da177e4SLinus Torvalds
2154af6fee1SDeepak Saxenaconfig ARCH_AAEC2000
2164af6fee1SDeepak Saxena	bool "Agilent AAEC-2000 based"
217c750815eSRussell King	select CPU_ARM920T
2184af6fee1SDeepak Saxena	select ARM_AMBA
2199483a578SDavid Brownell	select HAVE_CLK
2205cfc8ee0SJohn Stultz	select ARCH_USES_GETTIMEOFFSET
2214af6fee1SDeepak Saxena	help
2224af6fee1SDeepak Saxena	  This enables support for systems based on the Agilent AAEC-2000
2234af6fee1SDeepak Saxena
2244af6fee1SDeepak Saxenaconfig ARCH_INTEGRATOR
2254af6fee1SDeepak Saxena	bool "ARM Ltd. Integrator family"
2264af6fee1SDeepak Saxena	select ARM_AMBA
22789c52ed4SBen Dooks	select ARCH_HAS_CPUFREQ
228d72fbdf0SRussell King	select COMMON_CLKDEV
229c5a0adb5SRussell King	select ICST
23013edd86dSRussell King	select GENERIC_CLOCKEVENTS
231f4b8b319SRussell King	select PLAT_VERSATILE
2324af6fee1SDeepak Saxena	help
2334af6fee1SDeepak Saxena	  Support for ARM's Integrator platform.
2344af6fee1SDeepak Saxena
2354af6fee1SDeepak Saxenaconfig ARCH_REALVIEW
2364af6fee1SDeepak Saxena	bool "ARM Ltd. RealView family"
2374af6fee1SDeepak Saxena	select ARM_AMBA
238cf30fb4aSRussell King	select COMMON_CLKDEV
239c5a0adb5SRussell King	select ICST
240ae30ceacSCatalin Marinas	select GENERIC_CLOCKEVENTS
241eb7fffa3SRussell King	select ARCH_WANT_OPTIONAL_GPIOLIB
242f4b8b319SRussell King	select PLAT_VERSATILE
243e3887714SRussell King	select ARM_TIMER_SP804
244b56ba8aaSColin Tuckley	select GPIO_PL061 if GPIOLIB
2454af6fee1SDeepak Saxena	help
2464af6fee1SDeepak Saxena	  This enables support for ARM Ltd RealView boards.
2474af6fee1SDeepak Saxena
2484af6fee1SDeepak Saxenaconfig ARCH_VERSATILE
2494af6fee1SDeepak Saxena	bool "ARM Ltd. Versatile family"
2504af6fee1SDeepak Saxena	select ARM_AMBA
2514af6fee1SDeepak Saxena	select ARM_VIC
25271a06da0SRussell King	select COMMON_CLKDEV
253c5a0adb5SRussell King	select ICST
25489df1272SKevin Hilman	select GENERIC_CLOCKEVENTS
255bbeddc43SRussell King	select ARCH_WANT_OPTIONAL_GPIOLIB
256f4b8b319SRussell King	select PLAT_VERSATILE
257e3887714SRussell King	select ARM_TIMER_SP804
2584af6fee1SDeepak Saxena	help
2594af6fee1SDeepak Saxena	  This enables support for ARM Ltd Versatile board.
2604af6fee1SDeepak Saxena
261ceade897SRussell Kingconfig ARCH_VEXPRESS
262ceade897SRussell King	bool "ARM Ltd. Versatile Express family"
263ceade897SRussell King	select ARCH_WANT_OPTIONAL_GPIOLIB
264ceade897SRussell King	select ARM_AMBA
265ceade897SRussell King	select ARM_TIMER_SP804
266ceade897SRussell King	select COMMON_CLKDEV
267ceade897SRussell King	select GENERIC_CLOCKEVENTS
268ceade897SRussell King	select HAVE_CLK
269ceade897SRussell King	select ICST
270ceade897SRussell King	select PLAT_VERSATILE
271ceade897SRussell King	help
272ceade897SRussell King	  This enables support for the ARM Ltd Versatile Express boards.
273ceade897SRussell King
2748fc5ffa0SAndrew Victorconfig ARCH_AT91
2758fc5ffa0SAndrew Victor	bool "Atmel AT91"
276f373e8c0SRyan Mallon	select ARCH_REQUIRE_GPIOLIB
27793686ae8SDavid Brownell	select HAVE_CLK
2785cfc8ee0SJohn Stultz	select ARCH_USES_GETTIMEOFFSET
2794af6fee1SDeepak Saxena	help
2802b3b3516SAndrew Victor	  This enables support for systems based on the Atmel AT91RM9200,
2812b3b3516SAndrew Victor	  AT91SAM9 and AT91CAP9 processors.
2824af6fee1SDeepak Saxena
283ccf50e23SRussell Kingconfig ARCH_BCMRING
284ccf50e23SRussell King	bool "Broadcom BCMRING"
285ccf50e23SRussell King	depends on MMU
286ccf50e23SRussell King	select CPU_V6
287ccf50e23SRussell King	select ARM_AMBA
288ccf50e23SRussell King	select COMMON_CLKDEV
289ccf50e23SRussell King	select GENERIC_CLOCKEVENTS
290ccf50e23SRussell King	select ARCH_WANT_OPTIONAL_GPIOLIB
291ccf50e23SRussell King	help
292ccf50e23SRussell King	  Support for Broadcom's BCMRing platform.
293ccf50e23SRussell King
2941da177e4SLinus Torvaldsconfig ARCH_CLPS711X
2954af6fee1SDeepak Saxena	bool "Cirrus Logic CLPS711x/EP721x-based"
296c750815eSRussell King	select CPU_ARM720T
2975cfc8ee0SJohn Stultz	select ARCH_USES_GETTIMEOFFSET
298f999b8bdSMartin Michlmayr	help
299f999b8bdSMartin Michlmayr	  Support for Cirrus Logic 711x/721x based boards.
3001da177e4SLinus Torvalds
301d94f944eSAnton Vorontsovconfig ARCH_CNS3XXX
302d94f944eSAnton Vorontsov	bool "Cavium Networks CNS3XXX family"
303d94f944eSAnton Vorontsov	select CPU_V6
304d94f944eSAnton Vorontsov	select GENERIC_CLOCKEVENTS
305d94f944eSAnton Vorontsov	select ARM_GIC
3065f32f7a0SAnton Vorontsov	select PCI_DOMAINS if PCI
307d94f944eSAnton Vorontsov	help
308d94f944eSAnton Vorontsov	  Support for Cavium Networks CNS3XXX platform.
309d94f944eSAnton Vorontsov
310788c9700SRussell Kingconfig ARCH_GEMINI
311788c9700SRussell King	bool "Cortina Systems Gemini"
312788c9700SRussell King	select CPU_FA526
313788c9700SRussell King	select ARCH_REQUIRE_GPIOLIB
3145cfc8ee0SJohn Stultz	select ARCH_USES_GETTIMEOFFSET
315788c9700SRussell King	help
316788c9700SRussell King	  Support for the Cortina Systems Gemini family SoCs
317788c9700SRussell King
3181da177e4SLinus Torvaldsconfig ARCH_EBSA110
3191da177e4SLinus Torvalds	bool "EBSA-110"
320c750815eSRussell King	select CPU_SA110
321f7e68bbfSRussell King	select ISA
322c5eb2a2bSRussell King	select NO_IOPORT
3235cfc8ee0SJohn Stultz	select ARCH_USES_GETTIMEOFFSET
3241da177e4SLinus Torvalds	help
3251da177e4SLinus Torvalds	  This is an evaluation board for the StrongARM processor available
326f6c8965aSMartin Michlmayr	  from Digital. It has limited hardware on-board, including an
3271da177e4SLinus Torvalds	  Ethernet interface, two PCMCIA sockets, two serial ports and a
3281da177e4SLinus Torvalds	  parallel port.
3291da177e4SLinus Torvalds
330e7736d47SLennert Buytenhekconfig ARCH_EP93XX
331e7736d47SLennert Buytenhek	bool "EP93xx-based"
332c750815eSRussell King	select CPU_ARM920T
333e7736d47SLennert Buytenhek	select ARM_AMBA
334e7736d47SLennert Buytenhek	select ARM_VIC
335ae696fd5SRussell King	select COMMON_CLKDEV
3367444a72eSMichael Buesch	select ARCH_REQUIRE_GPIOLIB
337eb33575cSMel Gorman	select ARCH_HAS_HOLES_MEMORYMODEL
3385cfc8ee0SJohn Stultz	select ARCH_USES_GETTIMEOFFSET
339e7736d47SLennert Buytenhek	help
340e7736d47SLennert Buytenhek	  This enables support for the Cirrus EP93xx series of CPUs.
341e7736d47SLennert Buytenhek
3421da177e4SLinus Torvaldsconfig ARCH_FOOTBRIDGE
3431da177e4SLinus Torvalds	bool "FootBridge"
344c750815eSRussell King	select CPU_SA110
3451da177e4SLinus Torvalds	select FOOTBRIDGE
3465cfc8ee0SJohn Stultz	select ARCH_USES_GETTIMEOFFSET
347f999b8bdSMartin Michlmayr	help
348f999b8bdSMartin Michlmayr	  Support for systems based on the DC21285 companion chip
349f999b8bdSMartin Michlmayr	  ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder.
3501da177e4SLinus Torvalds
351788c9700SRussell Kingconfig ARCH_MXC
352788c9700SRussell King	bool "Freescale MXC/iMX-based"
353788c9700SRussell King	select GENERIC_CLOCKEVENTS
354788c9700SRussell King	select ARCH_REQUIRE_GPIOLIB
35503e09cd8SUwe Kleine-König	select COMMON_CLKDEV
356788c9700SRussell King	help
357788c9700SRussell King	  Support for Freescale MXC/iMX-based family of processors
358788c9700SRussell King
3597bd0f2f5Sdmitry pervushinconfig ARCH_STMP3XXX
3607bd0f2f5Sdmitry pervushin	bool "Freescale STMP3xxx"
3617bd0f2f5Sdmitry pervushin	select CPU_ARM926T
3627bd0f2f5Sdmitry pervushin	select COMMON_CLKDEV
3637bd0f2f5Sdmitry pervushin	select ARCH_REQUIRE_GPIOLIB
3647bd0f2f5Sdmitry pervushin	select GENERIC_CLOCKEVENTS
3657bd0f2f5Sdmitry pervushin	select USB_ARCH_HAS_EHCI
3667bd0f2f5Sdmitry pervushin	help
3677bd0f2f5Sdmitry pervushin	  Support for systems based on the Freescale 3xxx CPUs.
3687bd0f2f5Sdmitry pervushin
3694af6fee1SDeepak Saxenaconfig ARCH_NETX
3704af6fee1SDeepak Saxena	bool "Hilscher NetX based"
371c750815eSRussell King	select CPU_ARM926T
3724af6fee1SDeepak Saxena	select ARM_VIC
3732fcfe6b8SUwe Kleine-König	select GENERIC_CLOCKEVENTS
374f999b8bdSMartin Michlmayr	help
3754af6fee1SDeepak Saxena	  This enables support for systems based on the Hilscher NetX Soc
3764af6fee1SDeepak Saxena
3774af6fee1SDeepak Saxenaconfig ARCH_H720X
3784af6fee1SDeepak Saxena	bool "Hynix HMS720x-based"
379c750815eSRussell King	select CPU_ARM720T
3804af6fee1SDeepak Saxena	select ISA_DMA_API
3815cfc8ee0SJohn Stultz	select ARCH_USES_GETTIMEOFFSET
3824af6fee1SDeepak Saxena	help
3834af6fee1SDeepak Saxena	  This enables support for systems based on the Hynix HMS720x
3844af6fee1SDeepak Saxena
3853b938be6SRussell Kingconfig ARCH_IOP13XX
3863b938be6SRussell King	bool "IOP13xx-based"
3873b938be6SRussell King	depends on MMU
388c750815eSRussell King	select CPU_XSC3
3893b938be6SRussell King	select PLAT_IOP
3903b938be6SRussell King	select PCI
3913b938be6SRussell King	select ARCH_SUPPORTS_MSI
3928d5796d2SLennert Buytenhek	select VMSPLIT_1G
3933b938be6SRussell King	help
3943b938be6SRussell King	  Support for Intel's IOP13XX (XScale) family of processors.
3953b938be6SRussell King
3963f7e5815SLennert Buytenhekconfig ARCH_IOP32X
3973f7e5815SLennert Buytenhek	bool "IOP32x-based"
398a4f7e763SRussell King	depends on MMU
399c750815eSRussell King	select CPU_XSCALE
4007ae1f7ecSLennert Buytenhek	select PLAT_IOP
401f7e68bbfSRussell King	select PCI
402bb2b180cSRussell King	select ARCH_REQUIRE_GPIOLIB
403f999b8bdSMartin Michlmayr	help
4043f7e5815SLennert Buytenhek	  Support for Intel's 80219 and IOP32X (XScale) family of
4053f7e5815SLennert Buytenhek	  processors.
4063f7e5815SLennert Buytenhek
4073f7e5815SLennert Buytenhekconfig ARCH_IOP33X
4083f7e5815SLennert Buytenhek	bool "IOP33x-based"
4093f7e5815SLennert Buytenhek	depends on MMU
410c750815eSRussell King	select CPU_XSCALE
4117ae1f7ecSLennert Buytenhek	select PLAT_IOP
4123f7e5815SLennert Buytenhek	select PCI
413bb2b180cSRussell King	select ARCH_REQUIRE_GPIOLIB
4143f7e5815SLennert Buytenhek	help
4153f7e5815SLennert Buytenhek	  Support for Intel's IOP33X (XScale) family of processors.
4161da177e4SLinus Torvalds
4173b938be6SRussell Kingconfig ARCH_IXP23XX
4183b938be6SRussell King 	bool "IXP23XX-based"
419588ef769SDan Williams	depends on MMU
420c750815eSRussell King	select CPU_XSC3
421285f5fa7SDan Williams 	select PCI
4225cfc8ee0SJohn Stultz	select ARCH_USES_GETTIMEOFFSET
423285f5fa7SDan Williams	help
4243b938be6SRussell King	  Support for Intel's IXP23xx (XScale) family of processors.
4251da177e4SLinus Torvalds
4261da177e4SLinus Torvaldsconfig ARCH_IXP2000
4271da177e4SLinus Torvalds	bool "IXP2400/2800-based"
428a4f7e763SRussell King	depends on MMU
429c750815eSRussell King	select CPU_XSCALE
430f7e68bbfSRussell King	select PCI
4315cfc8ee0SJohn Stultz	select ARCH_USES_GETTIMEOFFSET
432f999b8bdSMartin Michlmayr	help
433f999b8bdSMartin Michlmayr	  Support for Intel's IXP2400/2800 (XScale) family of processors.
4341da177e4SLinus Torvalds
4353b938be6SRussell Kingconfig ARCH_IXP4XX
4363b938be6SRussell King	bool "IXP4xx-based"
437a4f7e763SRussell King	depends on MMU
438c750815eSRussell King	select CPU_XSCALE
4398858e9afSMilan Svoboda	select GENERIC_GPIO
4403b938be6SRussell King	select GENERIC_CLOCKEVENTS
441485bdde7SRussell King	select DMABOUNCE if PCI
442c4713074SLennert Buytenhek	help
4433b938be6SRussell King	  Support for Intel's IXP4XX (XScale) family of processors.
444c4713074SLennert Buytenhek
445edabd38eSSaeed Bisharaconfig ARCH_DOVE
446edabd38eSSaeed Bishara	bool "Marvell Dove"
447edabd38eSSaeed Bishara	select PCI
448edabd38eSSaeed Bishara	select ARCH_REQUIRE_GPIOLIB
449edabd38eSSaeed Bishara	select GENERIC_CLOCKEVENTS
450edabd38eSSaeed Bishara	select PLAT_ORION
451edabd38eSSaeed Bishara	help
452edabd38eSSaeed Bishara	  Support for the Marvell Dove SoC 88AP510
453edabd38eSSaeed Bishara
454651c74c7SSaeed Bisharaconfig ARCH_KIRKWOOD
455651c74c7SSaeed Bishara	bool "Marvell Kirkwood"
456c750815eSRussell King	select CPU_FEROCEON
457651c74c7SSaeed Bishara	select PCI
458a8865655SErik Benada	select ARCH_REQUIRE_GPIOLIB
459651c74c7SSaeed Bishara	select GENERIC_CLOCKEVENTS
460651c74c7SSaeed Bishara	select PLAT_ORION
461651c74c7SSaeed Bishara	help
462651c74c7SSaeed Bishara	  Support for the following Marvell Kirkwood series SoCs:
463651c74c7SSaeed Bishara	  88F6180, 88F6192 and 88F6281.
464651c74c7SSaeed Bishara
465788c9700SRussell Kingconfig ARCH_LOKI
466788c9700SRussell King	bool "Marvell Loki (88RC8480)"
467788c9700SRussell King	select CPU_FEROCEON
468788c9700SRussell King	select GENERIC_CLOCKEVENTS
469788c9700SRussell King	select PLAT_ORION
470788c9700SRussell King	help
471788c9700SRussell King	  Support for the Marvell Loki (88RC8480) SoC.
472788c9700SRussell King
47340805949SKevin Wellsconfig ARCH_LPC32XX
47440805949SKevin Wells	bool "NXP LPC32XX"
47540805949SKevin Wells	select CPU_ARM926T
47640805949SKevin Wells	select ARCH_REQUIRE_GPIOLIB
47740805949SKevin Wells	select HAVE_IDE
47840805949SKevin Wells	select ARM_AMBA
47940805949SKevin Wells	select USB_ARCH_HAS_OHCI
48040805949SKevin Wells	select COMMON_CLKDEV
48140805949SKevin Wells	select GENERIC_TIME
48240805949SKevin Wells	select GENERIC_CLOCKEVENTS
48340805949SKevin Wells	help
48440805949SKevin Wells	  Support for the NXP LPC32XX family of processors
48540805949SKevin Wells
486788c9700SRussell Kingconfig ARCH_MV78XX0
487788c9700SRussell King	bool "Marvell MV78xx0"
488788c9700SRussell King	select CPU_FEROCEON
489788c9700SRussell King	select PCI
490a8865655SErik Benada	select ARCH_REQUIRE_GPIOLIB
491788c9700SRussell King	select GENERIC_CLOCKEVENTS
492788c9700SRussell King	select PLAT_ORION
493788c9700SRussell King	help
494788c9700SRussell King	  Support for the following Marvell MV78xx0 series SoCs:
495788c9700SRussell King	  MV781x0, MV782x0.
496788c9700SRussell King
497788c9700SRussell Kingconfig ARCH_ORION5X
498788c9700SRussell King	bool "Marvell Orion"
499788c9700SRussell King	depends on MMU
500788c9700SRussell King	select CPU_FEROCEON
501788c9700SRussell King	select PCI
502a8865655SErik Benada	select ARCH_REQUIRE_GPIOLIB
503788c9700SRussell King	select GENERIC_CLOCKEVENTS
504788c9700SRussell King	select PLAT_ORION
505788c9700SRussell King	help
506788c9700SRussell King	  Support for the following Marvell Orion 5x series SoCs:
507788c9700SRussell King	  Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182),
508788c9700SRussell King	  Orion-2 (5281), Orion-1-90 (6183).
509788c9700SRussell King
510788c9700SRussell Kingconfig ARCH_MMP
5112f7e8faeSHaojian Zhuang	bool "Marvell PXA168/910/MMP2"
512788c9700SRussell King	depends on MMU
513788c9700SRussell King	select ARCH_REQUIRE_GPIOLIB
514788c9700SRussell King	select COMMON_CLKDEV
515788c9700SRussell King	select GENERIC_CLOCKEVENTS
516788c9700SRussell King	select TICK_ONESHOT
517788c9700SRussell King	select PLAT_PXA
518788c9700SRussell King	help
5192f7e8faeSHaojian Zhuang	  Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line.
520788c9700SRussell King
521c53c9cf6SAndrew Victorconfig ARCH_KS8695
522c53c9cf6SAndrew Victor	bool "Micrel/Kendin KS8695"
523c750815eSRussell King	select CPU_ARM922T
52472880ad8SDaniel Silverstone	select ARCH_REQUIRE_GPIOLIB
5255cfc8ee0SJohn Stultz	select ARCH_USES_GETTIMEOFFSET
526c53c9cf6SAndrew Victor	help
527c53c9cf6SAndrew Victor	  Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based
528c53c9cf6SAndrew Victor	  System-on-Chip devices.
529c53c9cf6SAndrew Victor
5309918cda5SUwe Kleine-Königconfig ARCH_NS9XXX
5319918cda5SUwe Kleine-König	bool "NetSilicon NS9xxx"
532c750815eSRussell King	select CPU_ARM926T
533689f2a01SUwe Kleine-König	select GENERIC_GPIO
534c0bb87f7SUwe Kleine-König	select GENERIC_CLOCKEVENTS
5359483a578SDavid Brownell	select HAVE_CLK
5369918cda5SUwe Kleine-König	help
5379918cda5SUwe Kleine-König	  Say Y here if you intend to run this kernel on a NetSilicon NS9xxx
5389918cda5SUwe Kleine-König	  System.
5399918cda5SUwe Kleine-König
5409918cda5SUwe Kleine-König	  <http://www.digi.com/products/microprocessors/index.jsp>
5419918cda5SUwe Kleine-König
542788c9700SRussell Kingconfig ARCH_W90X900
543788c9700SRussell King	bool "Nuvoton W90X900 CPU"
544788c9700SRussell King	select CPU_ARM926T
545c52d3d68Swanzongshun	select ARCH_REQUIRE_GPIOLIB
5460e4a34bbSwanzongshun	select COMMON_CLKDEV
54758b5369eSwanzongshun	select GENERIC_CLOCKEVENTS
548777f9bebSLennert Buytenhek	help
549a8bc4eadSwanzongshun	  Support for Nuvoton (Winbond logic dept.) ARM9 processor,
550a8bc4eadSwanzongshun	  At present, the w90x900 has been renamed nuc900, regarding
551a8bc4eadSwanzongshun	  the ARM series product line, you can login the following
552a8bc4eadSwanzongshun	  link address to know more.
553a8bc4eadSwanzongshun
554a8bc4eadSwanzongshun	  <http://www.nuvoton.com/hq/enu/ProductAndSales/ProductLines/
555a8bc4eadSwanzongshun		ConsumerElectronicsIC/ARMMicrocontroller/ARMMicrocontroller>
556585cf175STzachi Perelstein
557a62e9030Swanzongshunconfig ARCH_NUC93X
558a62e9030Swanzongshun	bool "Nuvoton NUC93X CPU"
559a62e9030Swanzongshun	select CPU_ARM926T
560a62e9030Swanzongshun	select COMMON_CLKDEV
561a62e9030Swanzongshun	help
562a62e9030Swanzongshun	  Support for Nuvoton (Winbond logic dept.) NUC93X MCU,The NUC93X is a
563a62e9030Swanzongshun	  low-power and high performance MPEG-4/JPEG multimedia controller chip.
564a62e9030Swanzongshun
565c5f80065SErik Gillingconfig ARCH_TEGRA
566c5f80065SErik Gilling	bool "NVIDIA Tegra"
567c5f80065SErik Gilling	select GENERIC_TIME
568c5f80065SErik Gilling	select GENERIC_CLOCKEVENTS
569c5f80065SErik Gilling	select GENERIC_GPIO
570c5f80065SErik Gilling	select HAVE_CLK
571*d8611961SColin Cross	select COMMON_CLKDEV
572c5f80065SErik Gilling	select ARCH_HAS_BARRIERS if CACHE_L2X0
573c5f80065SErik Gilling	help
574c5f80065SErik Gilling	  This enables support for NVIDIA Tegra based systems (Tegra APX,
575c5f80065SErik Gilling	  Tegra 6xx and Tegra 2 series).
576c5f80065SErik Gilling
5774af6fee1SDeepak Saxenaconfig ARCH_PNX4008
5784af6fee1SDeepak Saxena	bool "Philips Nexperia PNX4008 Mobile"
579c750815eSRussell King	select CPU_ARM926T
5806985a5adSRussell King	select COMMON_CLKDEV
5815cfc8ee0SJohn Stultz	select ARCH_USES_GETTIMEOFFSET
5824af6fee1SDeepak Saxena	help
5834af6fee1SDeepak Saxena	  This enables support for Philips PNX4008 mobile platform.
5844af6fee1SDeepak Saxena
5851da177e4SLinus Torvaldsconfig ARCH_PXA
5862c8086a5Seric miao	bool "PXA2xx/PXA3xx-based"
587a4f7e763SRussell King	depends on MMU
588034d2f5aSAl Viro	select ARCH_MTD_XIP
58989c52ed4SBen Dooks	select ARCH_HAS_CPUFREQ
5908c3abc7dSRussell King	select COMMON_CLKDEV
5917444a72eSMichael Buesch	select ARCH_REQUIRE_GPIOLIB
592981d0f39SEric Miao	select GENERIC_CLOCKEVENTS
593a88264c2SRussell King	select TICK_ONESHOT
594bd5ce433SEric Miao	select PLAT_PXA
595f999b8bdSMartin Michlmayr	help
5962c8086a5Seric miao	  Support for Intel/Marvell's PXA2xx/PXA3xx processor line.
5971da177e4SLinus Torvalds
598788c9700SRussell Kingconfig ARCH_MSM
599788c9700SRussell King	bool "Qualcomm MSM"
6004b536b8dSSteve Muckle	select HAVE_CLK
60149cbe786SEric Miao	select GENERIC_CLOCKEVENTS
602923a081cSPavel Machek	select ARCH_REQUIRE_GPIOLIB
60349cbe786SEric Miao	help
6044b53eb4fSDaniel Walker	  Support for Qualcomm MSM/QSD based systems.  This runs on the
6054b53eb4fSDaniel Walker	  apps processor of the MSM/QSD and depends on a shared memory
6064b53eb4fSDaniel Walker	  interface to the modem processor which runs the baseband
6074b53eb4fSDaniel Walker	  stack and controls some vital subsystems
6084b53eb4fSDaniel Walker	  (clock and power control, etc).
60949cbe786SEric Miao
610c793c1b0SMagnus Dammconfig ARCH_SHMOBILE
611c793c1b0SMagnus Damm	bool "Renesas SH-Mobile"
612c793c1b0SMagnus Damm	help
613c793c1b0SMagnus Damm	  Support for Renesas's SH-Mobile ARM platforms
614c793c1b0SMagnus Damm
6151da177e4SLinus Torvaldsconfig ARCH_RPC
6161da177e4SLinus Torvalds	bool "RiscPC"
6171da177e4SLinus Torvalds	select ARCH_ACORN
6181da177e4SLinus Torvalds	select FIQ
6191da177e4SLinus Torvalds	select TIMER_ACORN
620a08b6b79Sviro@ZenIV.linux.org.uk	select ARCH_MAY_HAVE_PC_FDC
621341eb781SBen Dooks	select HAVE_PATA_PLATFORM
622065909b9SRussell King	select ISA_DMA_API
6235ea81769SAl Viro	select NO_IOPORT
62407f841b7SRussell King	select ARCH_SPARSEMEM_ENABLE
6255cfc8ee0SJohn Stultz	select ARCH_USES_GETTIMEOFFSET
6261da177e4SLinus Torvalds	help
6271da177e4SLinus Torvalds	  On the Acorn Risc-PC, Linux can support the internal IDE disk and
6281da177e4SLinus Torvalds	  CD-ROM interface, serial and parallel port, and the floppy drive.
6291da177e4SLinus Torvalds
6301da177e4SLinus Torvaldsconfig ARCH_SA1100
6311da177e4SLinus Torvalds	bool "SA1100-based"
632c750815eSRussell King	select CPU_SA1100
633f7e68bbfSRussell King	select ISA
63405944d74SRussell King	select ARCH_SPARSEMEM_ENABLE
635034d2f5aSAl Viro	select ARCH_MTD_XIP
63689c52ed4SBen Dooks	select ARCH_HAS_CPUFREQ
6371937f5b9SRussell King	select CPU_FREQ
6383e238be2SRussell King	select GENERIC_CLOCKEVENTS
6399483a578SDavid Brownell	select HAVE_CLK
6403e238be2SRussell King	select TICK_ONESHOT
6417444a72eSMichael Buesch	select ARCH_REQUIRE_GPIOLIB
642f999b8bdSMartin Michlmayr	help
643f999b8bdSMartin Michlmayr	  Support for StrongARM 11x0 based boards.
6441da177e4SLinus Torvalds
6451da177e4SLinus Torvaldsconfig ARCH_S3C2410
64663b1f51bSBen Dooks	bool "Samsung S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443, S3C2450"
6470a938b97SDavid Brownell	select GENERIC_GPIO
6489d56c02aSBen Dooks	select ARCH_HAS_CPUFREQ
6499483a578SDavid Brownell	select HAVE_CLK
6505cfc8ee0SJohn Stultz	select ARCH_USES_GETTIMEOFFSET
6511da177e4SLinus Torvalds	help
6521da177e4SLinus Torvalds	  Samsung S3C2410X CPU based systems, such as the Simtec Electronics
6531da177e4SLinus Torvalds	  BAST (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or
654f6c8965aSMartin Michlmayr	  the Samsung SMDK2410 development board (and derivatives).
6551da177e4SLinus Torvalds
65663b1f51bSBen Dooks	  Note, the S3C2416 and the S3C2450 are so close that they even share
65763b1f51bSBen Dooks	  the same SoC ID code. This means that there is no seperate machine
65863b1f51bSBen Dooks	  directory (no arch/arm/mach-s3c2450) as the S3C2416 was first.
65963b1f51bSBen Dooks
660a08ab637SBen Dooksconfig ARCH_S3C64XX
661a08ab637SBen Dooks	bool "Samsung S3C64XX"
66289f1fa08SBen Dooks	select PLAT_SAMSUNG
66389f0ce72SBen Dooks	select CPU_V6
66489f0ce72SBen Dooks	select ARM_VIC
665a08ab637SBen Dooks	select HAVE_CLK
66689f0ce72SBen Dooks	select NO_IOPORT
6675cfc8ee0SJohn Stultz	select ARCH_USES_GETTIMEOFFSET
66889c52ed4SBen Dooks	select ARCH_HAS_CPUFREQ
66989f0ce72SBen Dooks	select ARCH_REQUIRE_GPIOLIB
67089f0ce72SBen Dooks	select SAMSUNG_CLKSRC
67189f0ce72SBen Dooks	select SAMSUNG_IRQ_VIC_TIMER
67289f0ce72SBen Dooks	select SAMSUNG_IRQ_UART
67389f0ce72SBen Dooks	select S3C_GPIO_TRACK
67489f0ce72SBen Dooks	select S3C_GPIO_PULL_UPDOWN
67589f0ce72SBen Dooks	select S3C_GPIO_CFG_S3C24XX
67689f0ce72SBen Dooks	select S3C_GPIO_CFG_S3C64XX
67789f0ce72SBen Dooks	select S3C_DEV_NAND
67889f0ce72SBen Dooks	select USB_ARCH_HAS_OHCI
67989f0ce72SBen Dooks	select SAMSUNG_GPIOLIB_4BIT
680a08ab637SBen Dooks	help
681a08ab637SBen Dooks	  Samsung S3C64XX series based systems
682a08ab637SBen Dooks
683c4ffccddSKukjin Kimconfig ARCH_S5P6440
684c4ffccddSKukjin Kim	bool "Samsung S5P6440"
685c4ffccddSKukjin Kim	select CPU_V6
686c4ffccddSKukjin Kim	select GENERIC_GPIO
687c4ffccddSKukjin Kim	select HAVE_CLK
688925c68cdSBen Dooks	select ARCH_USES_GETTIMEOFFSET
689c4ffccddSKukjin Kim	help
690c4ffccddSKukjin Kim	  Samsung S5P6440 CPU based systems
691c4ffccddSKukjin Kim
692550db7f1SKukjin Kimconfig ARCH_S5P6442
693550db7f1SKukjin Kim	bool "Samsung S5P6442"
694550db7f1SKukjin Kim	select CPU_V6
695550db7f1SKukjin Kim	select GENERIC_GPIO
696550db7f1SKukjin Kim	select HAVE_CLK
697925c68cdSBen Dooks	select ARCH_USES_GETTIMEOFFSET
698550db7f1SKukjin Kim	help
699550db7f1SKukjin Kim	  Samsung S5P6442 CPU based systems
700550db7f1SKukjin Kim
701acc84707SMarek Szyprowskiconfig ARCH_S5PC100
702acc84707SMarek Szyprowski	bool "Samsung S5PC100"
7035a7652f2SByungho Min	select GENERIC_GPIO
7045a7652f2SByungho Min	select HAVE_CLK
7055a7652f2SByungho Min	select CPU_V7
706d6d502faSKukjin Kim	select ARM_L1_CACHE_SHIFT_6
707925c68cdSBen Dooks	select ARCH_USES_GETTIMEOFFSET
7085a7652f2SByungho Min	help
709acc84707SMarek Szyprowski	  Samsung S5PC100 series based systems
7105a7652f2SByungho Min
711170f4e42SKukjin Kimconfig ARCH_S5PV210
712170f4e42SKukjin Kim	bool "Samsung S5PV210/S5PC110"
713170f4e42SKukjin Kim	select CPU_V7
714170f4e42SKukjin Kim	select GENERIC_GPIO
715170f4e42SKukjin Kim	select HAVE_CLK
716170f4e42SKukjin Kim	select ARM_L1_CACHE_SHIFT_6
717925c68cdSBen Dooks	select ARCH_USES_GETTIMEOFFSET
718170f4e42SKukjin Kim	help
719170f4e42SKukjin Kim	  Samsung S5PV210/S5PC110 series based systems
720170f4e42SKukjin Kim
7211da177e4SLinus Torvaldsconfig ARCH_SHARK
7221da177e4SLinus Torvalds	bool "Shark"
723c750815eSRussell King	select CPU_SA110
724f7e68bbfSRussell King	select ISA
725f7e68bbfSRussell King	select ISA_DMA
7263bca103aSNicolas Pitre	select ZONE_DMA
727f7e68bbfSRussell King	select PCI
7285cfc8ee0SJohn Stultz	select ARCH_USES_GETTIMEOFFSET
729f999b8bdSMartin Michlmayr	help
730f999b8bdSMartin Michlmayr	  Support for the StrongARM based Digital DNARD machine, also known
731f999b8bdSMartin Michlmayr	  as "Shark" (<http://www.shark-linux.de/shark.html>).
7321da177e4SLinus Torvalds
7331da177e4SLinus Torvaldsconfig ARCH_LH7A40X
7341da177e4SLinus Torvalds	bool "Sharp LH7A40X"
735c750815eSRussell King	select CPU_ARM922T
7364ba3f7c5SRussell King	select ARCH_SPARSEMEM_ENABLE if !LH7A40X_CONTIGMEM
7375cfc8ee0SJohn Stultz	select ARCH_USES_GETTIMEOFFSET
7381da177e4SLinus Torvalds	help
7391da177e4SLinus Torvalds	  Say Y here for systems based on one of the Sharp LH7A40X
7401da177e4SLinus Torvalds	  System on a Chip processors.  These CPUs include an ARM922T
7411da177e4SLinus Torvalds	  core with a wide array of integrated devices for
7421da177e4SLinus Torvalds	  hand-held and low-power applications.
7431da177e4SLinus Torvalds
744d98aac75SLinus Walleijconfig ARCH_U300
745d98aac75SLinus Walleij	bool "ST-Ericsson U300 Series"
746d98aac75SLinus Walleij	depends on MMU
747d98aac75SLinus Walleij	select CPU_ARM926T
748bc581770SLinus Walleij	select HAVE_TCM
749d98aac75SLinus Walleij	select ARM_AMBA
750d98aac75SLinus Walleij	select ARM_VIC
751d98aac75SLinus Walleij	select GENERIC_CLOCKEVENTS
752d98aac75SLinus Walleij	select COMMON_CLKDEV
753d98aac75SLinus Walleij	select GENERIC_GPIO
754d98aac75SLinus Walleij	help
755d98aac75SLinus Walleij	  Support for ST-Ericsson U300 series mobile platforms.
756d98aac75SLinus Walleij
757ccf50e23SRussell Kingconfig ARCH_U8500
758ccf50e23SRussell King	bool "ST-Ericsson U8500 Series"
759ccf50e23SRussell King	select CPU_V7
760ccf50e23SRussell King	select ARM_AMBA
761ccf50e23SRussell King	select GENERIC_CLOCKEVENTS
762ccf50e23SRussell King	select COMMON_CLKDEV
76394bdc0e2SRabin Vincent	select ARCH_REQUIRE_GPIOLIB
764ccf50e23SRussell King	help
765ccf50e23SRussell King	  Support for ST-Ericsson's Ux500 architecture
766ccf50e23SRussell King
767ccf50e23SRussell Kingconfig ARCH_NOMADIK
768ccf50e23SRussell King	bool "STMicroelectronics Nomadik"
769ccf50e23SRussell King	select ARM_AMBA
770ccf50e23SRussell King	select ARM_VIC
771ccf50e23SRussell King	select CPU_ARM926T
772ccf50e23SRussell King	select COMMON_CLKDEV
773ccf50e23SRussell King	select GENERIC_CLOCKEVENTS
774ccf50e23SRussell King	select ARCH_REQUIRE_GPIOLIB
775ccf50e23SRussell King	help
776ccf50e23SRussell King	  Support for the Nomadik platform by ST-Ericsson
777ccf50e23SRussell King
7787c6337e2SKevin Hilmanconfig ARCH_DAVINCI
7797c6337e2SKevin Hilman	bool "TI DaVinci"
7807c6337e2SKevin Hilman	select GENERIC_CLOCKEVENTS
781dce1115bSDavid Brownell	select ARCH_REQUIRE_GPIOLIB
7823bca103aSNicolas Pitre	select ZONE_DMA
7839232fcc9SKevin Hilman	select HAVE_IDE
784c5b736d0SKevin Hilman	select COMMON_CLKDEV
78520e9969bSDavid Brownell	select GENERIC_ALLOCATOR
786ae88e05aSSekhar Nori	select ARCH_HAS_HOLES_MEMORYMODEL
7877c6337e2SKevin Hilman	help
7887c6337e2SKevin Hilman	  Support for TI's DaVinci platform.
7897c6337e2SKevin Hilman
7903b938be6SRussell Kingconfig ARCH_OMAP
7913b938be6SRussell King	bool "TI OMAP"
7929483a578SDavid Brownell	select HAVE_CLK
7937444a72eSMichael Buesch	select ARCH_REQUIRE_GPIOLIB
79489c52ed4SBen Dooks	select ARCH_HAS_CPUFREQ
79506cad098SKevin Hilman	select GENERIC_CLOCKEVENTS
7969af915daSSriram	select ARCH_HAS_HOLES_MEMORYMODEL
7973b938be6SRussell King	help
7983b938be6SRussell King	  Support for TI's OMAP platform (OMAP1 and OMAP2).
7993b938be6SRussell King
800cee37e50Sviresh kumarconfig PLAT_SPEAR
801cee37e50Sviresh kumar	bool "ST SPEAr"
802cee37e50Sviresh kumar	select ARM_AMBA
803cee37e50Sviresh kumar	select ARCH_REQUIRE_GPIOLIB
804cee37e50Sviresh kumar	select COMMON_CLKDEV
805cee37e50Sviresh kumar	select GENERIC_CLOCKEVENTS
806cee37e50Sviresh kumar	select HAVE_CLK
807cee37e50Sviresh kumar	help
808cee37e50Sviresh kumar	  Support for ST's SPEAr platform (SPEAr3xx, SPEAr6xx and SPEAr13xx).
809cee37e50Sviresh kumar
8101da177e4SLinus Torvaldsendchoice
8111da177e4SLinus Torvalds
812ccf50e23SRussell King#
813ccf50e23SRussell King# This is sorted alphabetically by mach-* pathname.  However, plat-*
814ccf50e23SRussell King# Kconfigs may be included either alphabetically (according to the
815ccf50e23SRussell King# plat- suffix) or along side the corresponding mach-* source.
816ccf50e23SRussell King#
81795b8f20fSRussell Kingsource "arch/arm/mach-aaec2000/Kconfig"
81895b8f20fSRussell King
81995b8f20fSRussell Kingsource "arch/arm/mach-at91/Kconfig"
82095b8f20fSRussell King
82195b8f20fSRussell Kingsource "arch/arm/mach-bcmring/Kconfig"
82295b8f20fSRussell King
8231da177e4SLinus Torvaldssource "arch/arm/mach-clps711x/Kconfig"
8241da177e4SLinus Torvalds
825d94f944eSAnton Vorontsovsource "arch/arm/mach-cns3xxx/Kconfig"
826d94f944eSAnton Vorontsov
82795b8f20fSRussell Kingsource "arch/arm/mach-davinci/Kconfig"
82895b8f20fSRussell King
82995b8f20fSRussell Kingsource "arch/arm/mach-dove/Kconfig"
83095b8f20fSRussell King
831e7736d47SLennert Buytenheksource "arch/arm/mach-ep93xx/Kconfig"
832e7736d47SLennert Buytenhek
8331da177e4SLinus Torvaldssource "arch/arm/mach-footbridge/Kconfig"
8341da177e4SLinus Torvalds
83559d3a193SPaulius Zaleckassource "arch/arm/mach-gemini/Kconfig"
83659d3a193SPaulius Zaleckas
83795b8f20fSRussell Kingsource "arch/arm/mach-h720x/Kconfig"
83895b8f20fSRussell King
8391da177e4SLinus Torvaldssource "arch/arm/mach-integrator/Kconfig"
8401da177e4SLinus Torvalds
8413f7e5815SLennert Buytenheksource "arch/arm/mach-iop32x/Kconfig"
8423f7e5815SLennert Buytenhek
8433f7e5815SLennert Buytenheksource "arch/arm/mach-iop33x/Kconfig"
8441da177e4SLinus Torvalds
845285f5fa7SDan Williamssource "arch/arm/mach-iop13xx/Kconfig"
846285f5fa7SDan Williams
8471da177e4SLinus Torvaldssource "arch/arm/mach-ixp4xx/Kconfig"
8481da177e4SLinus Torvalds
8491da177e4SLinus Torvaldssource "arch/arm/mach-ixp2000/Kconfig"
8501da177e4SLinus Torvalds
851c4713074SLennert Buytenheksource "arch/arm/mach-ixp23xx/Kconfig"
852c4713074SLennert Buytenhek
85395b8f20fSRussell Kingsource "arch/arm/mach-kirkwood/Kconfig"
85495b8f20fSRussell King
85595b8f20fSRussell Kingsource "arch/arm/mach-ks8695/Kconfig"
85695b8f20fSRussell King
85795b8f20fSRussell Kingsource "arch/arm/mach-lh7a40x/Kconfig"
85895b8f20fSRussell King
859777f9bebSLennert Buytenheksource "arch/arm/mach-loki/Kconfig"
860777f9bebSLennert Buytenhek
86140805949SKevin Wellssource "arch/arm/mach-lpc32xx/Kconfig"
86240805949SKevin Wells
86395b8f20fSRussell Kingsource "arch/arm/mach-msm/Kconfig"
86495b8f20fSRussell King
865794d15b2SStanislav Samsonovsource "arch/arm/mach-mv78xx0/Kconfig"
866794d15b2SStanislav Samsonov
86795b8f20fSRussell Kingsource "arch/arm/plat-mxc/Kconfig"
8681da177e4SLinus Torvalds
86995b8f20fSRussell Kingsource "arch/arm/mach-netx/Kconfig"
87049cbe786SEric Miao
87195b8f20fSRussell Kingsource "arch/arm/mach-nomadik/Kconfig"
87295b8f20fSRussell Kingsource "arch/arm/plat-nomadik/Kconfig"
87395b8f20fSRussell King
87495b8f20fSRussell Kingsource "arch/arm/mach-ns9xxx/Kconfig"
8751da177e4SLinus Torvalds
876d91a8910SRussell Kingsource "arch/arm/mach-nuc93x/Kconfig"
877d91a8910SRussell King
878d48af15eSTony Lindgrensource "arch/arm/plat-omap/Kconfig"
879d48af15eSTony Lindgren
880d48af15eSTony Lindgrensource "arch/arm/mach-omap1/Kconfig"
8811da177e4SLinus Torvalds
8821dbae815STony Lindgrensource "arch/arm/mach-omap2/Kconfig"
8831dbae815STony Lindgren
8849dd0b194SLennert Buytenheksource "arch/arm/mach-orion5x/Kconfig"
885585cf175STzachi Perelstein
88695b8f20fSRussell Kingsource "arch/arm/mach-pxa/Kconfig"
88795b8f20fSRussell Kingsource "arch/arm/plat-pxa/Kconfig"
8881da177e4SLinus Torvalds
88995b8f20fSRussell Kingsource "arch/arm/mach-mmp/Kconfig"
89095b8f20fSRussell King
89195b8f20fSRussell Kingsource "arch/arm/mach-realview/Kconfig"
89295b8f20fSRussell King
89395b8f20fSRussell Kingsource "arch/arm/mach-sa1100/Kconfig"
894edabd38eSSaeed Bishara
895cf383678SBen Dookssource "arch/arm/plat-samsung/Kconfig"
896a21765a7SBen Dookssource "arch/arm/plat-s3c24xx/Kconfig"
897c4ffccddSKukjin Kimsource "arch/arm/plat-s5p/Kconfig"
898a21765a7SBen Dooks
899cee37e50Sviresh kumarsource "arch/arm/plat-spear/Kconfig"
900a21765a7SBen Dooks
901a21765a7SBen Dooksif ARCH_S3C2410
902a21765a7SBen Dookssource "arch/arm/mach-s3c2400/Kconfig"
9031da177e4SLinus Torvaldssource "arch/arm/mach-s3c2410/Kconfig"
904a21765a7SBen Dookssource "arch/arm/mach-s3c2412/Kconfig"
905f1290a49SYauhen Kharuzhysource "arch/arm/mach-s3c2416/Kconfig"
906a21765a7SBen Dookssource "arch/arm/mach-s3c2440/Kconfig"
907e4d06e39SBen Dookssource "arch/arm/mach-s3c2443/Kconfig"
908a21765a7SBen Dooksendif
9091da177e4SLinus Torvalds
910a08ab637SBen Dooksif ARCH_S3C64XX
911431107eaSBen Dookssource "arch/arm/mach-s3c64xx/Kconfig"
912a08ab637SBen Dooksendif
913a08ab637SBen Dooks
914c4ffccddSKukjin Kimsource "arch/arm/mach-s5p6440/Kconfig"
915c4ffccddSKukjin Kim
916550db7f1SKukjin Kimsource "arch/arm/mach-s5p6442/Kconfig"
9177bd0f2f5Sdmitry pervushin
9185a7652f2SByungho Minsource "arch/arm/mach-s5pc100/Kconfig"
9195a7652f2SByungho Min
920170f4e42SKukjin Kimsource "arch/arm/mach-s5pv210/Kconfig"
921170f4e42SKukjin Kim
922882d01f9SRussell Kingsource "arch/arm/mach-shmobile/Kconfig"
9231da177e4SLinus Torvalds
924882d01f9SRussell Kingsource "arch/arm/plat-stmp3xxx/Kconfig"
9259e73c84cSBrian Swetland
926c5f80065SErik Gillingsource "arch/arm/mach-tegra/Kconfig"
927c5f80065SErik Gilling
92895b8f20fSRussell Kingsource "arch/arm/mach-u300/Kconfig"
92952c543f9SQuinn Jensen
93095b8f20fSRussell Kingsource "arch/arm/mach-ux500/Kconfig"
9311da177e4SLinus Torvalds
9321da177e4SLinus Torvaldssource "arch/arm/mach-versatile/Kconfig"
9331da177e4SLinus Torvalds
934ceade897SRussell Kingsource "arch/arm/mach-vexpress/Kconfig"
935ceade897SRussell King
9367ec80ddfSwanzongshunsource "arch/arm/mach-w90x900/Kconfig"
9377ec80ddfSwanzongshun
9381da177e4SLinus Torvalds# Definitions to make life easier
9391da177e4SLinus Torvaldsconfig ARCH_ACORN
9401da177e4SLinus Torvalds	bool
9411da177e4SLinus Torvalds
9427ae1f7ecSLennert Buytenhekconfig PLAT_IOP
9437ae1f7ecSLennert Buytenhek	bool
944469d3044SMikael Pettersson	select GENERIC_CLOCKEVENTS
9457ae1f7ecSLennert Buytenhek
94669b02f6aSLennert Buytenhekconfig PLAT_ORION
94769b02f6aSLennert Buytenhek	bool
94869b02f6aSLennert Buytenhek
949bd5ce433SEric Miaoconfig PLAT_PXA
950bd5ce433SEric Miao	bool
951bd5ce433SEric Miao
952f4b8b319SRussell Kingconfig PLAT_VERSATILE
953f4b8b319SRussell King	bool
954f4b8b319SRussell King
955e3887714SRussell Kingconfig ARM_TIMER_SP804
956e3887714SRussell King	bool
957e3887714SRussell King
9581da177e4SLinus Torvaldssource arch/arm/mm/Kconfig
9591da177e4SLinus Torvalds
960afe4b25eSLennert Buytenhekconfig IWMMXT
961afe4b25eSLennert Buytenhek	bool "Enable iWMMXt support"
96240305a58SEric Miao	depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK
96340305a58SEric Miao	default y if PXA27x || PXA3xx || ARCH_MMP
964afe4b25eSLennert Buytenhek	help
965afe4b25eSLennert Buytenhek	  Enable support for iWMMXt context switching at run time if
966afe4b25eSLennert Buytenhek	  running on a CPU that supports it.
967afe4b25eSLennert Buytenhek
9681da177e4SLinus Torvalds#  bool 'Use XScale PMU as timer source' CONFIG_XSCALE_PMU_TIMER
9691da177e4SLinus Torvaldsconfig XSCALE_PMU
9701da177e4SLinus Torvalds	bool
9711da177e4SLinus Torvalds	depends on CPU_XSCALE && !XSCALE_PMU_TIMER
9721da177e4SLinus Torvalds	default y
9731da177e4SLinus Torvalds
9740f4f0672SJamie Ilesconfig CPU_HAS_PMU
9758954bb0dSWill Deacon	depends on (CPU_V6 || CPU_V7 || XSCALE_PMU) && \
9768954bb0dSWill Deacon		   (!ARCH_OMAP3 || OMAP3_EMU)
9770f4f0672SJamie Iles	default y
9780f4f0672SJamie Iles	bool
9790f4f0672SJamie Iles
9803b93e7b0SHyok S. Choiif !MMU
9813b93e7b0SHyok S. Choisource "arch/arm/Kconfig-nommu"
9823b93e7b0SHyok S. Choiendif
9833b93e7b0SHyok S. Choi
9849cba3cccSCatalin Marinasconfig ARM_ERRATA_411920
9859cba3cccSCatalin Marinas	bool "ARM errata: Invalidation of the Instruction Cache operation can fail"
9869cba3cccSCatalin Marinas	depends on CPU_V6 && !SMP
9879cba3cccSCatalin Marinas	help
9889cba3cccSCatalin Marinas	  Invalidation of the Instruction Cache operation can
9899cba3cccSCatalin Marinas	  fail. This erratum is present in 1136 (before r1p4), 1156 and 1176.
9909cba3cccSCatalin Marinas	  It does not affect the MPCore. This option enables the ARM Ltd.
9919cba3cccSCatalin Marinas	  recommended workaround.
9929cba3cccSCatalin Marinas
9937ce236fcSCatalin Marinasconfig ARM_ERRATA_430973
9947ce236fcSCatalin Marinas	bool "ARM errata: Stale prediction on replaced interworking branch"
9957ce236fcSCatalin Marinas	depends on CPU_V7
9967ce236fcSCatalin Marinas	help
9977ce236fcSCatalin Marinas	  This option enables the workaround for the 430973 Cortex-A8
9987ce236fcSCatalin Marinas	  (r1p0..r1p2) erratum. If a code sequence containing an ARM/Thumb
9997ce236fcSCatalin Marinas	  interworking branch is replaced with another code sequence at the
10007ce236fcSCatalin Marinas	  same virtual address, whether due to self-modifying code or virtual
10017ce236fcSCatalin Marinas	  to physical address re-mapping, Cortex-A8 does not recover from the
10027ce236fcSCatalin Marinas	  stale interworking branch prediction. This results in Cortex-A8
10037ce236fcSCatalin Marinas	  executing the new code sequence in the incorrect ARM or Thumb state.
10047ce236fcSCatalin Marinas	  The workaround enables the BTB/BTAC operations by setting ACTLR.IBE
10057ce236fcSCatalin Marinas	  and also flushes the branch target cache at every context switch.
10067ce236fcSCatalin Marinas	  Note that setting specific bits in the ACTLR register may not be
10077ce236fcSCatalin Marinas	  available in non-secure mode.
10087ce236fcSCatalin Marinas
1009855c551fSCatalin Marinasconfig ARM_ERRATA_458693
1010855c551fSCatalin Marinas	bool "ARM errata: Processor deadlock when a false hazard is created"
1011855c551fSCatalin Marinas	depends on CPU_V7
1012855c551fSCatalin Marinas	help
1013855c551fSCatalin Marinas	  This option enables the workaround for the 458693 Cortex-A8 (r2p0)
1014855c551fSCatalin Marinas	  erratum. For very specific sequences of memory operations, it is
1015855c551fSCatalin Marinas	  possible for a hazard condition intended for a cache line to instead
1016855c551fSCatalin Marinas	  be incorrectly associated with a different cache line. This false
1017855c551fSCatalin Marinas	  hazard might then cause a processor deadlock. The workaround enables
1018855c551fSCatalin Marinas	  the L1 caching of the NEON accesses and disables the PLD instruction
1019855c551fSCatalin Marinas	  in the ACTLR register. Note that setting specific bits in the ACTLR
1020855c551fSCatalin Marinas	  register may not be available in non-secure mode.
1021855c551fSCatalin Marinas
10220516e464SCatalin Marinasconfig ARM_ERRATA_460075
10230516e464SCatalin Marinas	bool "ARM errata: Data written to the L2 cache can be overwritten with stale data"
10240516e464SCatalin Marinas	depends on CPU_V7
10250516e464SCatalin Marinas	help
10260516e464SCatalin Marinas	  This option enables the workaround for the 460075 Cortex-A8 (r2p0)
10270516e464SCatalin Marinas	  erratum. Any asynchronous access to the L2 cache may encounter a
10280516e464SCatalin Marinas	  situation in which recent store transactions to the L2 cache are lost
10290516e464SCatalin Marinas	  and overwritten with stale memory contents from external memory. The
10300516e464SCatalin Marinas	  workaround disables the write-allocate mode for the L2 cache via the
10310516e464SCatalin Marinas	  ACTLR register. Note that setting specific bits in the ACTLR register
10320516e464SCatalin Marinas	  may not be available in non-secure mode.
10330516e464SCatalin Marinas
10349e65582aSSantosh Shilimkarconfig PL310_ERRATA_588369
10359e65582aSSantosh Shilimkar	bool "Clean & Invalidate maintenance operations do not invalidate clean lines"
10369e65582aSSantosh Shilimkar	depends on CACHE_L2X0 && ARCH_OMAP4
10379e65582aSSantosh Shilimkar	help
10389e65582aSSantosh Shilimkar	   The PL310 L2 cache controller implements three types of Clean &
10399e65582aSSantosh Shilimkar	   Invalidate maintenance operations: by Physical Address
10409e65582aSSantosh Shilimkar	   (offset 0x7F0), by Index/Way (0x7F8) and by Way (0x7FC).
10419e65582aSSantosh Shilimkar	   They are architecturally defined to behave as the execution of a
10429e65582aSSantosh Shilimkar	   clean operation followed immediately by an invalidate operation,
10439e65582aSSantosh Shilimkar	   both performing to the same memory location. This functionality
10449e65582aSSantosh Shilimkar	   is not correctly implemented in PL310 as clean lines are not
10459e65582aSSantosh Shilimkar	   invalidated as a result of these operations. Note that this errata
10469e65582aSSantosh Shilimkar	   uses Texas Instrument's secure monitor api.
10471da177e4SLinus Torvaldsendmenu
10481da177e4SLinus Torvalds
10491da177e4SLinus Torvaldssource "arch/arm/common/Kconfig"
10501da177e4SLinus Torvalds
10511da177e4SLinus Torvaldsmenu "Bus support"
10521da177e4SLinus Torvalds
10531da177e4SLinus Torvaldsconfig ARM_AMBA
10541da177e4SLinus Torvalds	bool
10551da177e4SLinus Torvalds
10561da177e4SLinus Torvaldsconfig ISA
10571da177e4SLinus Torvalds	bool
10581da177e4SLinus Torvalds	help
10591da177e4SLinus Torvalds	  Find out whether you have ISA slots on your motherboard.  ISA is the
10601da177e4SLinus Torvalds	  name of a bus system, i.e. the way the CPU talks to the other stuff
10611da177e4SLinus Torvalds	  inside your box.  Other bus systems are PCI, EISA, MicroChannel
10621da177e4SLinus Torvalds	  (MCA) or VESA.  ISA is an older system, now being displaced by PCI;
10631da177e4SLinus Torvalds	  newer boards don't support it.  If you have ISA, say Y, otherwise N.
10641da177e4SLinus Torvalds
1065065909b9SRussell King# Select ISA DMA controller support
10661da177e4SLinus Torvaldsconfig ISA_DMA
10671da177e4SLinus Torvalds	bool
1068065909b9SRussell King	select ISA_DMA_API
10691da177e4SLinus Torvalds
1070065909b9SRussell King# Select ISA DMA interface
10715cae841bSAl Viroconfig ISA_DMA_API
10725cae841bSAl Viro	bool
10735cae841bSAl Viro
10741da177e4SLinus Torvaldsconfig PCI
10755f32f7a0SAnton Vorontsov	bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB || ARCH_IXP4XX || ARCH_KS8695 || MACH_ARMCORE || ARCH_CNS3XXX
10761da177e4SLinus Torvalds	help
10771da177e4SLinus Torvalds	  Find out whether you have a PCI motherboard. PCI is the name of a
10781da177e4SLinus Torvalds	  bus system, i.e. the way the CPU talks to the other stuff inside
10791da177e4SLinus Torvalds	  your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
10801da177e4SLinus Torvalds	  VESA. If you have PCI, say Y, otherwise N.
10811da177e4SLinus Torvalds
108252882173SAnton Vorontsovconfig PCI_DOMAINS
108352882173SAnton Vorontsov	bool
108452882173SAnton Vorontsov	depends on PCI
108552882173SAnton Vorontsov
108636e23590SMatthew Wilcoxconfig PCI_SYSCALL
108736e23590SMatthew Wilcox	def_bool PCI
108836e23590SMatthew Wilcox
10891da177e4SLinus Torvalds# Select the host bridge type
10901da177e4SLinus Torvaldsconfig PCI_HOST_VIA82C505
10911da177e4SLinus Torvalds	bool
10921da177e4SLinus Torvalds	depends on PCI && ARCH_SHARK
10931da177e4SLinus Torvalds	default y
10941da177e4SLinus Torvalds
1095a0113a99SMike Rapoportconfig PCI_HOST_ITE8152
1096a0113a99SMike Rapoport	bool
1097a0113a99SMike Rapoport	depends on PCI && MACH_ARMCORE
1098a0113a99SMike Rapoport	default y
1099a0113a99SMike Rapoport	select DMABOUNCE
1100a0113a99SMike Rapoport
11011da177e4SLinus Torvaldssource "drivers/pci/Kconfig"
11021da177e4SLinus Torvalds
11031da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig"
11041da177e4SLinus Torvalds
11051da177e4SLinus Torvaldsendmenu
11061da177e4SLinus Torvalds
11071da177e4SLinus Torvaldsmenu "Kernel Features"
11081da177e4SLinus Torvalds
11090567a0c0SKevin Hilmansource "kernel/time/Kconfig"
11100567a0c0SKevin Hilman
11111da177e4SLinus Torvaldsconfig SMP
11121da177e4SLinus Torvalds	bool "Symmetric Multi-Processing (EXPERIMENTAL)"
111342578c82SRussell King	depends on EXPERIMENTAL && (REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP ||\
111459ac59f6SRussell King		 MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 ||\
111559ac59f6SRussell King		 ARCH_U8500 || ARCH_VEXPRESS_CA9X4)
1116bc28248eSRussell King	depends on GENERIC_CLOCKEVENTS
1117f6dd9fa5SJens Axboe	select USE_GENERIC_SMP_HELPERS
111859ac59f6SRussell King	select HAVE_ARM_SCU if (ARCH_REALVIEW || ARCH_OMAP4 || ARCH_U8500 || ARCH_VEXPRESS_CA9X4)
11191da177e4SLinus Torvalds	help
11201da177e4SLinus Torvalds	  This enables support for systems with more than one CPU. If you have
11211da177e4SLinus Torvalds	  a system with only one CPU, like most personal computers, say N. If
11221da177e4SLinus Torvalds	  you have a system with more than one CPU, say Y.
11231da177e4SLinus Torvalds
11241da177e4SLinus Torvalds	  If you say N here, the kernel will run on single and multiprocessor
11251da177e4SLinus Torvalds	  machines, but will use only one CPU of a multiprocessor machine. If
11261da177e4SLinus Torvalds	  you say Y here, the kernel will run on many, but not all, single
11271da177e4SLinus Torvalds	  processor machines. On a single processor machine, the kernel will
11281da177e4SLinus Torvalds	  run faster if you say N here.
11291da177e4SLinus Torvalds
113003502faaSAdrian Bunk	  See also <file:Documentation/i386/IO-APIC.txt>,
11311da177e4SLinus Torvalds	  <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
11321da177e4SLinus Torvalds	  <http://www.linuxdoc.org/docs.html#howto>.
11331da177e4SLinus Torvalds
11341da177e4SLinus Torvalds	  If you don't know what to do here, say N.
11351da177e4SLinus Torvalds
1136a8cbcd92SRussell Kingconfig HAVE_ARM_SCU
1137a8cbcd92SRussell King	bool
1138a8cbcd92SRussell King	depends on SMP
1139a8cbcd92SRussell King	help
1140a8cbcd92SRussell King	  This option enables support for the ARM system coherency unit
1141a8cbcd92SRussell King
1142f32f4ce2SRussell Kingconfig HAVE_ARM_TWD
1143f32f4ce2SRussell King	bool
1144f32f4ce2SRussell King	depends on SMP
1145f32f4ce2SRussell King	help
1146f32f4ce2SRussell King	  This options enables support for the ARM timer and watchdog unit
1147f32f4ce2SRussell King
11488d5796d2SLennert Buytenhekchoice
11498d5796d2SLennert Buytenhek	prompt "Memory split"
11508d5796d2SLennert Buytenhek	default VMSPLIT_3G
11518d5796d2SLennert Buytenhek	help
11528d5796d2SLennert Buytenhek	  Select the desired split between kernel and user memory.
11538d5796d2SLennert Buytenhek
11548d5796d2SLennert Buytenhek	  If you are not absolutely sure what you are doing, leave this
11558d5796d2SLennert Buytenhek	  option alone!
11568d5796d2SLennert Buytenhek
11578d5796d2SLennert Buytenhek	config VMSPLIT_3G
11588d5796d2SLennert Buytenhek		bool "3G/1G user/kernel split"
11598d5796d2SLennert Buytenhek	config VMSPLIT_2G
11608d5796d2SLennert Buytenhek		bool "2G/2G user/kernel split"
11618d5796d2SLennert Buytenhek	config VMSPLIT_1G
11628d5796d2SLennert Buytenhek		bool "1G/3G user/kernel split"
11638d5796d2SLennert Buytenhekendchoice
11648d5796d2SLennert Buytenhek
11658d5796d2SLennert Buytenhekconfig PAGE_OFFSET
11668d5796d2SLennert Buytenhek	hex
11678d5796d2SLennert Buytenhek	default 0x40000000 if VMSPLIT_1G
11688d5796d2SLennert Buytenhek	default 0x80000000 if VMSPLIT_2G
11698d5796d2SLennert Buytenhek	default 0xC0000000
11708d5796d2SLennert Buytenhek
11711da177e4SLinus Torvaldsconfig NR_CPUS
11721da177e4SLinus Torvalds	int "Maximum number of CPUs (2-32)"
11731da177e4SLinus Torvalds	range 2 32
11741da177e4SLinus Torvalds	depends on SMP
11751da177e4SLinus Torvalds	default "4"
11761da177e4SLinus Torvalds
1177a054a811SRussell Kingconfig HOTPLUG_CPU
1178a054a811SRussell King	bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
1179a054a811SRussell King	depends on SMP && HOTPLUG && EXPERIMENTAL
1180a054a811SRussell King	help
1181a054a811SRussell King	  Say Y here to experiment with turning CPUs off and on.  CPUs
1182a054a811SRussell King	  can be controlled through /sys/devices/system/cpu.
1183a054a811SRussell King
118437ee16aeSRussell Kingconfig LOCAL_TIMERS
118537ee16aeSRussell King	bool "Use local timer interrupts"
118642578c82SRussell King	depends on SMP && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || \
1187bde28b84SWill Deacon		REALVIEW_EB_A9MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || \
1188bde28b84SWill Deacon		ARCH_U8500 || ARCH_VEXPRESS_CA9X4)
118937ee16aeSRussell King	default y
1190bde28b84SWill Deacon	select HAVE_ARM_TWD if (ARCH_REALVIEW || ARCH_VEXPRESS || ARCH_OMAP4 || ARCH_U8500)
119137ee16aeSRussell King	help
119237ee16aeSRussell King	  Enable support for local timers on SMP platforms, rather then the
119337ee16aeSRussell King	  legacy IPI broadcast method.  Local timers allows the system
119437ee16aeSRussell King	  accounting to be spread across the timer interval, preventing a
119537ee16aeSRussell King	  "thundering herd" at every timer tick.
119637ee16aeSRussell King
1197d45a398fSUwe Kleine-Königsource kernel/Kconfig.preempt
11981da177e4SLinus Torvalds
1199f8065813SRussell Kingconfig HZ
1200f8065813SRussell King	int
1201170f4e42SKukjin Kim	default 200 if ARCH_EBSA110 || ARCH_S3C2410 || ARCH_S5P6440 || ARCH_S5P6442 || ARCH_S5PV210
1202bfe65704SRussell King	default OMAP_32K_TIMER_HZ if ARCH_OMAP && OMAP_32K_TIMER
12035248c657SDavid Brownell	default AT91_TIMER_HZ if ARCH_AT91
12045da3e714SMagnus Damm	default SHMOBILE_TIMER_HZ if ARCH_SHMOBILE
1205f8065813SRussell King	default 100
1206f8065813SRussell King
120716c79651SCatalin Marinasconfig THUMB2_KERNEL
120816c79651SCatalin Marinas	bool "Compile the kernel in Thumb-2 mode"
120916c79651SCatalin Marinas	depends on CPU_V7 && EXPERIMENTAL
121016c79651SCatalin Marinas	select AEABI
121116c79651SCatalin Marinas	select ARM_ASM_UNIFIED
121216c79651SCatalin Marinas	help
121316c79651SCatalin Marinas	  By enabling this option, the kernel will be compiled in
121416c79651SCatalin Marinas	  Thumb-2 mode. A compiler/assembler that understand the unified
121516c79651SCatalin Marinas	  ARM-Thumb syntax is needed.
121616c79651SCatalin Marinas
121716c79651SCatalin Marinas	  If unsure, say N.
121816c79651SCatalin Marinas
12190becb088SCatalin Marinasconfig ARM_ASM_UNIFIED
12200becb088SCatalin Marinas	bool
12210becb088SCatalin Marinas
1222704bdda0SNicolas Pitreconfig AEABI
1223704bdda0SNicolas Pitre	bool "Use the ARM EABI to compile the kernel"
1224704bdda0SNicolas Pitre	help
1225704bdda0SNicolas Pitre	  This option allows for the kernel to be compiled using the latest
1226704bdda0SNicolas Pitre	  ARM ABI (aka EABI).  This is only useful if you are using a user
1227704bdda0SNicolas Pitre	  space environment that is also compiled with EABI.
1228704bdda0SNicolas Pitre
1229704bdda0SNicolas Pitre	  Since there are major incompatibilities between the legacy ABI and
1230704bdda0SNicolas Pitre	  EABI, especially with regard to structure member alignment, this
1231704bdda0SNicolas Pitre	  option also changes the kernel syscall calling convention to
1232704bdda0SNicolas Pitre	  disambiguate both ABIs and allow for backward compatibility support
1233704bdda0SNicolas Pitre	  (selected with CONFIG_OABI_COMPAT).
1234704bdda0SNicolas Pitre
1235704bdda0SNicolas Pitre	  To use this you need GCC version 4.0.0 or later.
1236704bdda0SNicolas Pitre
12376c90c872SNicolas Pitreconfig OABI_COMPAT
1238a73a3ff1SRussell King	bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)"
123961c484d4SNicolas Pitre	depends on AEABI && EXPERIMENTAL
12406c90c872SNicolas Pitre	default y
12416c90c872SNicolas Pitre	help
12426c90c872SNicolas Pitre	  This option preserves the old syscall interface along with the
12436c90c872SNicolas Pitre	  new (ARM EABI) one. It also provides a compatibility layer to
12446c90c872SNicolas Pitre	  intercept syscalls that have structure arguments which layout
12456c90c872SNicolas Pitre	  in memory differs between the legacy ABI and the new ARM EABI
12466c90c872SNicolas Pitre	  (only for non "thumb" binaries). This option adds a tiny
12476c90c872SNicolas Pitre	  overhead to all syscalls and produces a slightly larger kernel.
12486c90c872SNicolas Pitre	  If you know you'll be using only pure EABI user space then you
12496c90c872SNicolas Pitre	  can say N here. If this option is not selected and you attempt
12506c90c872SNicolas Pitre	  to execute a legacy ABI binary then the result will be
12516c90c872SNicolas Pitre	  UNPREDICTABLE (in fact it can be predicted that it won't work
12526c90c872SNicolas Pitre	  at all). If in doubt say Y.
12536c90c872SNicolas Pitre
1254eb33575cSMel Gormanconfig ARCH_HAS_HOLES_MEMORYMODEL
1255e80d6a24SMel Gorman	bool
1256e80d6a24SMel Gorman
125705944d74SRussell Kingconfig ARCH_SPARSEMEM_ENABLE
125805944d74SRussell King	bool
125905944d74SRussell King
126007a2f737SRussell Kingconfig ARCH_SPARSEMEM_DEFAULT
126107a2f737SRussell King	def_bool ARCH_SPARSEMEM_ENABLE
126207a2f737SRussell King
126305944d74SRussell Kingconfig ARCH_SELECT_MEMORY_MODEL
1264be370302SRussell King	def_bool ARCH_SPARSEMEM_ENABLE
1265c80d79d7SYasunori Goto
1266053a96caSNicolas Pitreconfig HIGHMEM
1267053a96caSNicolas Pitre	bool "High Memory Support (EXPERIMENTAL)"
1268053a96caSNicolas Pitre	depends on MMU && EXPERIMENTAL
1269053a96caSNicolas Pitre	help
1270053a96caSNicolas Pitre	  The address space of ARM processors is only 4 Gigabytes large
1271053a96caSNicolas Pitre	  and it has to accommodate user address space, kernel address
1272053a96caSNicolas Pitre	  space as well as some memory mapped IO. That means that, if you
1273053a96caSNicolas Pitre	  have a large amount of physical memory and/or IO, not all of the
1274053a96caSNicolas Pitre	  memory can be "permanently mapped" by the kernel. The physical
1275053a96caSNicolas Pitre	  memory that is not permanently mapped is called "high memory".
1276053a96caSNicolas Pitre
1277053a96caSNicolas Pitre	  Depending on the selected kernel/user memory split, minimum
1278053a96caSNicolas Pitre	  vmalloc space and actual amount of RAM, you may not need this
1279053a96caSNicolas Pitre	  option which should result in a slightly faster kernel.
1280053a96caSNicolas Pitre
1281053a96caSNicolas Pitre	  If unsure, say n.
1282053a96caSNicolas Pitre
128365cec8e3SRussell Kingconfig HIGHPTE
128465cec8e3SRussell King	bool "Allocate 2nd-level pagetables from highmem"
128565cec8e3SRussell King	depends on HIGHMEM
128665cec8e3SRussell King	depends on !OUTER_CACHE
128765cec8e3SRussell King
12881b8873a0SJamie Ilesconfig HW_PERF_EVENTS
12891b8873a0SJamie Iles	bool "Enable hardware performance counter support for perf events"
1290fe166148SWill Deacon	depends on PERF_EVENTS && CPU_HAS_PMU
12911b8873a0SJamie Iles	default y
12921b8873a0SJamie Iles	help
12931b8873a0SJamie Iles	  Enable hardware performance counter support for perf events. If
12941b8873a0SJamie Iles	  disabled, perf events will use software events only.
12951b8873a0SJamie Iles
1296354e6f72Seric miaoconfig SPARSE_IRQ
1297c1ba6ba3Seric miao	def_bool n
1298354e6f72Seric miao	help
1299354e6f72Seric miao	  This enables support for sparse irqs. This is useful in general
1300354e6f72Seric miao	  as most CPUs have a fairly sparse array of IRQ vectors, which
1301354e6f72Seric miao	  the irq_desc then maps directly on to. Systems with a high
1302354e6f72Seric miao	  number of off-chip IRQs will want to treat this as
1303354e6f72Seric miao	  experimental until they have been independently verified.
1304354e6f72Seric miao
13053f22ab27SDave Hansensource "mm/Kconfig"
13063f22ab27SDave Hansen
1307c1b2d970SMagnus Dammconfig FORCE_MAX_ZONEORDER
1308c1b2d970SMagnus Damm	int "Maximum zone order" if ARCH_SHMOBILE
1309c1b2d970SMagnus Damm	range 11 64 if ARCH_SHMOBILE
1310c1b2d970SMagnus Damm	default "9" if SA1111
1311c1b2d970SMagnus Damm	default "11"
1312c1b2d970SMagnus Damm	help
1313c1b2d970SMagnus Damm	  The kernel memory allocator divides physically contiguous memory
1314c1b2d970SMagnus Damm	  blocks into "zones", where each zone is a power of two number of
1315c1b2d970SMagnus Damm	  pages.  This option selects the largest power of two that the kernel
1316c1b2d970SMagnus Damm	  keeps in the memory allocator.  If you need to allocate very large
1317c1b2d970SMagnus Damm	  blocks of physically contiguous memory, then you may need to
1318c1b2d970SMagnus Damm	  increase this value.
1319c1b2d970SMagnus Damm
1320c1b2d970SMagnus Damm	  This config option is actually maximum order plus one. For example,
1321c1b2d970SMagnus Damm	  a value of 11 means that the largest free memory block is 2^10 pages.
1322c1b2d970SMagnus Damm
13231da177e4SLinus Torvaldsconfig LEDS
13241da177e4SLinus Torvalds	bool "Timer and CPU usage LEDs"
1325e055d5bfSAdrian Bunk	depends on ARCH_CDB89712 || ARCH_EBSA110 || \
13268c8fdbc9SSascha Hauer		   ARCH_EBSA285 || ARCH_INTEGRATOR || \
13271da177e4SLinus Torvalds		   ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_NETWINDER || \
13281da177e4SLinus Torvalds		   ARCH_OMAP || ARCH_P720T || ARCH_PXA_IDP || \
132973a59c1cSSAN People		   ARCH_SA1100 || ARCH_SHARK || ARCH_VERSATILE || \
133025329671SJürgen Schindele		   ARCH_AT91 || ARCH_DAVINCI || \
1331ff3042fbSColin Tuckley		   ARCH_KS8695 || MACH_RD88F5182 || ARCH_REALVIEW
13321da177e4SLinus Torvalds	help
13331da177e4SLinus Torvalds	  If you say Y here, the LEDs on your machine will be used
13341da177e4SLinus Torvalds	  to provide useful information about your current system status.
13351da177e4SLinus Torvalds
13361da177e4SLinus Torvalds	  If you are compiling a kernel for a NetWinder or EBSA-285, you will
13371da177e4SLinus Torvalds	  be able to select which LEDs are active using the options below. If
13381da177e4SLinus Torvalds	  you are compiling a kernel for the EBSA-110 or the LART however, the
13391da177e4SLinus Torvalds	  red LED will simply flash regularly to indicate that the system is
13401da177e4SLinus Torvalds	  still functional. It is safe to say Y here if you have a CATS
13411da177e4SLinus Torvalds	  system, but the driver will do nothing.
13421da177e4SLinus Torvalds
13431da177e4SLinus Torvaldsconfig LEDS_TIMER
13441da177e4SLinus Torvalds	bool "Timer LED" if (!ARCH_CDB89712 && !ARCH_OMAP) || \
1345eebdf7d7SDavid Brownell			    OMAP_OSK_MISTRAL || MACH_OMAP_H2 \
1346eebdf7d7SDavid Brownell			    || MACH_OMAP_PERSEUS2
13471da177e4SLinus Torvalds	depends on LEDS
13480567a0c0SKevin Hilman	depends on !GENERIC_CLOCKEVENTS
13491da177e4SLinus Torvalds	default y if ARCH_EBSA110
13501da177e4SLinus Torvalds	help
13511da177e4SLinus Torvalds	  If you say Y here, one of the system LEDs (the green one on the
13521da177e4SLinus Torvalds	  NetWinder, the amber one on the EBSA285, or the red one on the LART)
13531da177e4SLinus Torvalds	  will flash regularly to indicate that the system is still
13541da177e4SLinus Torvalds	  operational. This is mainly useful to kernel hackers who are
13551da177e4SLinus Torvalds	  debugging unstable kernels.
13561da177e4SLinus Torvalds
13571da177e4SLinus Torvalds	  The LART uses the same LED for both Timer LED and CPU usage LED
13581da177e4SLinus Torvalds	  functions. You may choose to use both, but the Timer LED function
13591da177e4SLinus Torvalds	  will overrule the CPU usage LED.
13601da177e4SLinus Torvalds
13611da177e4SLinus Torvaldsconfig LEDS_CPU
13621da177e4SLinus Torvalds	bool "CPU usage LED" if (!ARCH_CDB89712 && !ARCH_EBSA110 && \
1363eebdf7d7SDavid Brownell			!ARCH_OMAP) \
1364eebdf7d7SDavid Brownell			|| OMAP_OSK_MISTRAL || MACH_OMAP_H2 \
1365eebdf7d7SDavid Brownell			|| MACH_OMAP_PERSEUS2
13661da177e4SLinus Torvalds	depends on LEDS
13671da177e4SLinus Torvalds	help
13681da177e4SLinus Torvalds	  If you say Y here, the red LED will be used to give a good real
13691da177e4SLinus Torvalds	  time indication of CPU usage, by lighting whenever the idle task
13701da177e4SLinus Torvalds	  is not currently executing.
13711da177e4SLinus Torvalds
13721da177e4SLinus Torvalds	  The LART uses the same LED for both Timer LED and CPU usage LED
13731da177e4SLinus Torvalds	  functions. You may choose to use both, but the Timer LED function
13741da177e4SLinus Torvalds	  will overrule the CPU usage LED.
13751da177e4SLinus Torvalds
13761da177e4SLinus Torvaldsconfig ALIGNMENT_TRAP
13771da177e4SLinus Torvalds	bool
1378f12d0d7cSHyok S. Choi	depends on CPU_CP15_MMU
13791da177e4SLinus Torvalds	default y if !ARCH_EBSA110
1380e119bfffSRussell King	select HAVE_PROC_CPU if PROC_FS
13811da177e4SLinus Torvalds	help
13821da177e4SLinus Torvalds	  ARM processors cannot fetch/store information which is not
13831da177e4SLinus Torvalds	  naturally aligned on the bus, i.e., a 4 byte fetch must start at an
13841da177e4SLinus Torvalds	  address divisible by 4. On 32-bit ARM processors, these non-aligned
13851da177e4SLinus Torvalds	  fetch/store instructions will be emulated in software if you say
13861da177e4SLinus Torvalds	  here, which has a severe performance impact. This is necessary for
13871da177e4SLinus Torvalds	  correct operation of some network protocols. With an IP-only
13881da177e4SLinus Torvalds	  configuration it is safe to say N, otherwise say Y.
13891da177e4SLinus Torvalds
139039ec58f3SLennert Buytenhekconfig UACCESS_WITH_MEMCPY
139139ec58f3SLennert Buytenhek	bool "Use kernel mem{cpy,set}() for {copy_to,clear}_user() (EXPERIMENTAL)"
139239ec58f3SLennert Buytenhek	depends on MMU && EXPERIMENTAL
139339ec58f3SLennert Buytenhek	default y if CPU_FEROCEON
139439ec58f3SLennert Buytenhek	help
139539ec58f3SLennert Buytenhek	  Implement faster copy_to_user and clear_user methods for CPU
139639ec58f3SLennert Buytenhek	  cores where a 8-word STM instruction give significantly higher
139739ec58f3SLennert Buytenhek	  memory write throughput than a sequence of individual 32bit stores.
139839ec58f3SLennert Buytenhek
139939ec58f3SLennert Buytenhek	  A possible side effect is a slight increase in scheduling latency
140039ec58f3SLennert Buytenhek	  between threads sharing the same address space if they invoke
140139ec58f3SLennert Buytenhek	  such copy operations with large buffers.
140239ec58f3SLennert Buytenhek
140339ec58f3SLennert Buytenhek	  However, if the CPU data cache is using a write-allocate mode,
140439ec58f3SLennert Buytenhek	  this option is unlikely to provide any performance gain.
140539ec58f3SLennert Buytenhek
1406c743f380SNicolas Pitreconfig CC_STACKPROTECTOR
1407c743f380SNicolas Pitre	bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)"
1408c743f380SNicolas Pitre	help
1409c743f380SNicolas Pitre	  This option turns on the -fstack-protector GCC feature. This
1410c743f380SNicolas Pitre	  feature puts, at the beginning of functions, a canary value on
1411c743f380SNicolas Pitre	  the stack just before the return address, and validates
1412c743f380SNicolas Pitre	  the value just before actually returning.  Stack based buffer
1413c743f380SNicolas Pitre	  overflows (that need to overwrite this return address) now also
1414c743f380SNicolas Pitre	  overwrite the canary, which gets detected and the attack is then
1415c743f380SNicolas Pitre	  neutralized via a kernel panic.
1416c743f380SNicolas Pitre	  This feature requires gcc version 4.2 or above.
1417c743f380SNicolas Pitre
141873a65b3fSUwe Kleine-Königconfig DEPRECATED_PARAM_STRUCT
141973a65b3fSUwe Kleine-König	bool "Provide old way to pass kernel parameters"
142073a65b3fSUwe Kleine-König	help
142173a65b3fSUwe Kleine-König	  This was deprecated in 2001 and announced to live on for 5 years.
142273a65b3fSUwe Kleine-König	  Some old boot loaders still use this way.
142373a65b3fSUwe Kleine-König
14241da177e4SLinus Torvaldsendmenu
14251da177e4SLinus Torvalds
14261da177e4SLinus Torvaldsmenu "Boot options"
14271da177e4SLinus Torvalds
14281da177e4SLinus Torvalds# Compressed boot loader in ROM.  Yes, we really want to ask about
14291da177e4SLinus Torvalds# TEXT and BSS so we preserve their values in the config files.
14301da177e4SLinus Torvaldsconfig ZBOOT_ROM_TEXT
14311da177e4SLinus Torvalds	hex "Compressed ROM boot loader base address"
14321da177e4SLinus Torvalds	default "0"
14331da177e4SLinus Torvalds	help
14341da177e4SLinus Torvalds	  The physical address at which the ROM-able zImage is to be
14351da177e4SLinus Torvalds	  placed in the target.  Platforms which normally make use of
14361da177e4SLinus Torvalds	  ROM-able zImage formats normally set this to a suitable
14371da177e4SLinus Torvalds	  value in their defconfig file.
14381da177e4SLinus Torvalds
14391da177e4SLinus Torvalds	  If ZBOOT_ROM is not enabled, this has no effect.
14401da177e4SLinus Torvalds
14411da177e4SLinus Torvaldsconfig ZBOOT_ROM_BSS
14421da177e4SLinus Torvalds	hex "Compressed ROM boot loader BSS address"
14431da177e4SLinus Torvalds	default "0"
14441da177e4SLinus Torvalds	help
1445f8c440b2SDan Fandrich	  The base address of an area of read/write memory in the target
1446f8c440b2SDan Fandrich	  for the ROM-able zImage which must be available while the
1447f8c440b2SDan Fandrich	  decompressor is running. It must be large enough to hold the
1448f8c440b2SDan Fandrich	  entire decompressed kernel plus an additional 128 KiB.
1449f8c440b2SDan Fandrich	  Platforms which normally make use of ROM-able zImage formats
1450f8c440b2SDan Fandrich	  normally set this to a suitable value in their defconfig file.
14511da177e4SLinus Torvalds
14521da177e4SLinus Torvalds	  If ZBOOT_ROM is not enabled, this has no effect.
14531da177e4SLinus Torvalds
14541da177e4SLinus Torvaldsconfig ZBOOT_ROM
14551da177e4SLinus Torvalds	bool "Compressed boot loader in ROM/flash"
14561da177e4SLinus Torvalds	depends on ZBOOT_ROM_TEXT != ZBOOT_ROM_BSS
14571da177e4SLinus Torvalds	help
14581da177e4SLinus Torvalds	  Say Y here if you intend to execute your compressed kernel image
14591da177e4SLinus Torvalds	  (zImage) directly from ROM or flash.  If unsure, say N.
14601da177e4SLinus Torvalds
14611da177e4SLinus Torvaldsconfig CMDLINE
14621da177e4SLinus Torvalds	string "Default kernel command string"
14631da177e4SLinus Torvalds	default ""
14641da177e4SLinus Torvalds	help
14651da177e4SLinus Torvalds	  On some architectures (EBSA110 and CATS), there is currently no way
14661da177e4SLinus Torvalds	  for the boot loader to pass arguments to the kernel. For these
14671da177e4SLinus Torvalds	  architectures, you should supply some command-line options at build
14681da177e4SLinus Torvalds	  time by entering them here. As a minimum, you should specify the
14691da177e4SLinus Torvalds	  memory size and the root device (e.g., mem=64M root=/dev/nfs).
14701da177e4SLinus Torvalds
147192d2040dSAlexander Hollerconfig CMDLINE_FORCE
147292d2040dSAlexander Holler	bool "Always use the default kernel command string"
147392d2040dSAlexander Holler	depends on CMDLINE != ""
147492d2040dSAlexander Holler	help
147592d2040dSAlexander Holler	  Always use the default kernel command string, even if the boot
147692d2040dSAlexander Holler	  loader passes other arguments to the kernel.
147792d2040dSAlexander Holler	  This is useful if you cannot or don't want to change the
147892d2040dSAlexander Holler	  command-line options your boot loader passes to the kernel.
147992d2040dSAlexander Holler
148092d2040dSAlexander Holler	  If unsure, say N.
148192d2040dSAlexander Holler
14821da177e4SLinus Torvaldsconfig XIP_KERNEL
14831da177e4SLinus Torvalds	bool "Kernel Execute-In-Place from ROM"
14841da177e4SLinus Torvalds	depends on !ZBOOT_ROM
14851da177e4SLinus Torvalds	help
14861da177e4SLinus Torvalds	  Execute-In-Place allows the kernel to run from non-volatile storage
14871da177e4SLinus Torvalds	  directly addressable by the CPU, such as NOR flash. This saves RAM
14881da177e4SLinus Torvalds	  space since the text section of the kernel is not loaded from flash
14891da177e4SLinus Torvalds	  to RAM.  Read-write sections, such as the data section and stack,
14901da177e4SLinus Torvalds	  are still copied to RAM.  The XIP kernel is not compressed since
14911da177e4SLinus Torvalds	  it has to run directly from flash, so it will take more space to
14921da177e4SLinus Torvalds	  store it.  The flash address used to link the kernel object files,
14931da177e4SLinus Torvalds	  and for storing it, is configuration dependent. Therefore, if you
14941da177e4SLinus Torvalds	  say Y here, you must know the proper physical address where to
14951da177e4SLinus Torvalds	  store the kernel image depending on your own flash memory usage.
14961da177e4SLinus Torvalds
14971da177e4SLinus Torvalds	  Also note that the make target becomes "make xipImage" rather than
14981da177e4SLinus Torvalds	  "make zImage" or "make Image".  The final kernel binary to put in
14991da177e4SLinus Torvalds	  ROM memory will be arch/arm/boot/xipImage.
15001da177e4SLinus Torvalds
15011da177e4SLinus Torvalds	  If unsure, say N.
15021da177e4SLinus Torvalds
15031da177e4SLinus Torvaldsconfig XIP_PHYS_ADDR
15041da177e4SLinus Torvalds	hex "XIP Kernel Physical Location"
15051da177e4SLinus Torvalds	depends on XIP_KERNEL
15061da177e4SLinus Torvalds	default "0x00080000"
15071da177e4SLinus Torvalds	help
15081da177e4SLinus Torvalds	  This is the physical address in your flash memory the kernel will
15091da177e4SLinus Torvalds	  be linked for and stored to.  This address is dependent on your
15101da177e4SLinus Torvalds	  own flash usage.
15111da177e4SLinus Torvalds
1512c587e4a6SRichard Purdieconfig KEXEC
1513c587e4a6SRichard Purdie	bool "Kexec system call (EXPERIMENTAL)"
1514c587e4a6SRichard Purdie	depends on EXPERIMENTAL
1515c587e4a6SRichard Purdie	help
1516c587e4a6SRichard Purdie	  kexec is a system call that implements the ability to shutdown your
1517c587e4a6SRichard Purdie	  current kernel, and to start another kernel.  It is like a reboot
151801dd2fbfSMatt LaPlante	  but it is independent of the system firmware.   And like a reboot
1519c587e4a6SRichard Purdie	  you can start any kernel with it, not just Linux.
1520c587e4a6SRichard Purdie
1521c587e4a6SRichard Purdie	  It is an ongoing process to be certain the hardware in a machine
1522c587e4a6SRichard Purdie	  is properly shutdown, so do not be surprised if this code does not
1523c587e4a6SRichard Purdie	  initially work for you.  It may help to enable device hotplugging
1524c587e4a6SRichard Purdie	  support.
1525c587e4a6SRichard Purdie
15264cd9d6f7SRichard Purdieconfig ATAGS_PROC
15274cd9d6f7SRichard Purdie	bool "Export atags in procfs"
1528b98d7291SUli Luckas	depends on KEXEC
1529b98d7291SUli Luckas	default y
15304cd9d6f7SRichard Purdie	help
15314cd9d6f7SRichard Purdie	  Should the atags used to boot the kernel be exported in an "atags"
15324cd9d6f7SRichard Purdie	  file in procfs. Useful with kexec.
15334cd9d6f7SRichard Purdie
1534e69edc79SEric Miaoconfig AUTO_ZRELADDR
1535e69edc79SEric Miao	bool "Auto calculation of the decompressed kernel image address"
1536e69edc79SEric Miao	depends on !ZBOOT_ROM && !ARCH_U300
1537e69edc79SEric Miao	help
1538e69edc79SEric Miao	  ZRELADDR is the physical address where the decompressed kernel
1539e69edc79SEric Miao	  image will be placed. If AUTO_ZRELADDR is selected, the address
1540e69edc79SEric Miao	  will be determined at run-time by masking the current IP with
1541e69edc79SEric Miao	  0xf8000000. This assumes the zImage being placed in the first 128MB
1542e69edc79SEric Miao	  from start of memory.
1543e69edc79SEric Miao
1544e69edc79SEric Miaoconfig ZRELADDR
1545e69edc79SEric Miao	hex "Physical address of the decompressed kernel image"
1546e69edc79SEric Miao	depends on !AUTO_ZRELADDR
1547e69edc79SEric Miao	default 0x00008000 if ARCH_BCMRING ||\
1548e69edc79SEric Miao		ARCH_CNS3XXX ||\
1549e69edc79SEric Miao		ARCH_DOVE ||\
1550e69edc79SEric Miao		ARCH_EBSA110 ||\
1551e69edc79SEric Miao		ARCH_FOOTBRIDGE ||\
1552e69edc79SEric Miao		ARCH_INTEGRATOR ||\
1553e69edc79SEric Miao		ARCH_IOP13XX ||\
1554e69edc79SEric Miao		ARCH_IOP33X ||\
1555e69edc79SEric Miao		ARCH_IXP2000 ||\
1556e69edc79SEric Miao		ARCH_IXP23XX ||\
1557e69edc79SEric Miao		ARCH_IXP4XX ||\
1558e69edc79SEric Miao		ARCH_KIRKWOOD ||\
1559e69edc79SEric Miao		ARCH_KS8695 ||\
1560e69edc79SEric Miao		ARCH_LOKI ||\
1561e69edc79SEric Miao		ARCH_MMP ||\
1562e69edc79SEric Miao		ARCH_MV78XX0 ||\
1563e69edc79SEric Miao		ARCH_NOMADIK ||\
1564e69edc79SEric Miao		ARCH_NUC93X ||\
1565e69edc79SEric Miao		ARCH_NS9XXX ||\
1566e69edc79SEric Miao		ARCH_ORION5X ||\
1567e69edc79SEric Miao		ARCH_SPEAR3XX ||\
1568e69edc79SEric Miao		ARCH_SPEAR6XX ||\
1569e69edc79SEric Miao		ARCH_U8500 ||\
1570e69edc79SEric Miao		ARCH_VERSATILE ||\
1571e69edc79SEric Miao		ARCH_W90X900
1572e69edc79SEric Miao	default 0x08008000 if ARCH_MX1 ||\
1573e69edc79SEric Miao		ARCH_SHARK
1574e69edc79SEric Miao	default 0x10008000 if ARCH_MSM ||\
1575e69edc79SEric Miao		ARCH_OMAP1 ||\
1576e69edc79SEric Miao		ARCH_RPC
1577e69edc79SEric Miao	default 0x20008000 if ARCH_S5P6440 ||\
1578e69edc79SEric Miao		ARCH_S5P6442 ||\
1579e69edc79SEric Miao		ARCH_S5PC100 ||\
1580e69edc79SEric Miao		ARCH_S5PV210
1581e69edc79SEric Miao	default 0x30008000 if ARCH_S3C2410 ||\
1582e69edc79SEric Miao		ARCH_S3C2400 ||\
1583e69edc79SEric Miao		ARCH_S3C2412 ||\
1584e69edc79SEric Miao		ARCH_S3C2416 ||\
1585e69edc79SEric Miao		ARCH_S3C2440 ||\
1586e69edc79SEric Miao		ARCH_S3C2443
1587e69edc79SEric Miao	default 0x40008000 if ARCH_STMP378X ||\
1588e69edc79SEric Miao		ARCH_STMP37XX ||\
1589e69edc79SEric Miao		ARCH_SH7372 ||\
1590e69edc79SEric Miao		ARCH_SH7377
1591e69edc79SEric Miao	default 0x50008000 if ARCH_S3C64XX ||\
1592e69edc79SEric Miao		ARCH_SH7367
1593e69edc79SEric Miao	default 0x60008000 if ARCH_VEXPRESS
1594e69edc79SEric Miao	default 0x80008000 if ARCH_MX25 ||\
1595e69edc79SEric Miao		ARCH_MX3 ||\
1596e69edc79SEric Miao		ARCH_NETX ||\
1597e69edc79SEric Miao		ARCH_OMAP2PLUS ||\
1598e69edc79SEric Miao		ARCH_PNX4008
1599e69edc79SEric Miao	default 0x90008000 if ARCH_MX5 ||\
1600e69edc79SEric Miao		ARCH_MX91231
1601e69edc79SEric Miao	default 0xa0008000 if ARCH_IOP32X ||\
1602e69edc79SEric Miao		ARCH_PXA ||\
1603e69edc79SEric Miao		MACH_MX27
1604e69edc79SEric Miao	default 0xc0008000 if ARCH_LH7A40X ||\
1605e69edc79SEric Miao		MACH_MX21
1606e69edc79SEric Miao	default 0xf0008000 if ARCH_AAEC2000 ||\
1607e69edc79SEric Miao		ARCH_L7200
1608e69edc79SEric Miao	default 0xc0028000 if ARCH_CLPS711X
1609e69edc79SEric Miao	default 0x70008000 if ARCH_AT91 && (ARCH_AT91CAP9 || ARCH_AT91SAM9G45)
1610e69edc79SEric Miao	default 0x20008000 if ARCH_AT91 && !(ARCH_AT91CAP9 || ARCH_AT91SAM9G45)
1611e69edc79SEric Miao	default 0xc0008000 if ARCH_DAVINCI && ARCH_DAVINCI_DA8XX
1612e69edc79SEric Miao	default 0x80008000 if ARCH_DAVINCI && !ARCH_DAVINCI_DA8XX
1613e69edc79SEric Miao	default 0x00008000 if ARCH_EP93XX && EP93XX_SDCE3_SYNC_PHYS_OFFSET
1614e69edc79SEric Miao	default 0xc0008000 if ARCH_EP93XX && EP93XX_SDCE0_PHYS_OFFSET
1615e69edc79SEric Miao	default 0xd0008000 if ARCH_EP93XX && EP93XX_SDCE1_PHYS_OFFSET
1616e69edc79SEric Miao	default 0xe0008000 if ARCH_EP93XX && EP93XX_SDCE2_PHYS_OFFSET
1617e69edc79SEric Miao	default 0xf0008000 if ARCH_EP93XX && EP93XX_SDCE3_ASYNC_PHYS_OFFSET
1618e69edc79SEric Miao	default 0x00008000 if ARCH_GEMINI && GEMINI_MEM_SWAP
1619e69edc79SEric Miao	default 0x10008000 if ARCH_GEMINI && !GEMINI_MEM_SWAP
1620e69edc79SEric Miao	default 0x70008000 if ARCH_REALVIEW && REALVIEW_HIGH_PHYS_OFFSET
1621e69edc79SEric Miao	default 0x00008000 if ARCH_REALVIEW && !REALVIEW_HIGH_PHYS_OFFSET
1622e69edc79SEric Miao	default 0xc0208000 if ARCH_SA1100 && SA1111
1623e69edc79SEric Miao	default 0xc0008000 if ARCH_SA1100 && !SA1111
1624e69edc79SEric Miao	default 0x30108000 if ARCH_S3C2410 && PM_H1940
1625e69edc79SEric Miao	default 0x28E08000 if ARCH_U300 && MACH_U300_SINGLE_RAM
1626e69edc79SEric Miao	default 0x48008000 if ARCH_U300 && !MACH_U300_SINGLE_RAM
1627e69edc79SEric Miao	help
1628e69edc79SEric Miao	  ZRELADDR is the physical address where the decompressed kernel
1629e69edc79SEric Miao	  image will be placed. ZRELADDR has to be specified when the
1630e69edc79SEric Miao	  assumption of AUTO_ZRELADDR is not valid, or when ZBOOT_ROM is
1631e69edc79SEric Miao	  selected.
1632e69edc79SEric Miao
16331da177e4SLinus Torvaldsendmenu
16341da177e4SLinus Torvalds
1635ac9d7efcSRussell Kingmenu "CPU Power Management"
16361da177e4SLinus Torvalds
163789c52ed4SBen Dooksif ARCH_HAS_CPUFREQ
16381da177e4SLinus Torvalds
16391da177e4SLinus Torvaldssource "drivers/cpufreq/Kconfig"
16401da177e4SLinus Torvalds
16411da177e4SLinus Torvaldsconfig CPU_FREQ_SA1100
16421da177e4SLinus Torvalds	bool
16431da177e4SLinus Torvalds
16441da177e4SLinus Torvaldsconfig CPU_FREQ_SA1110
16451da177e4SLinus Torvalds	bool
16461da177e4SLinus Torvalds
16471da177e4SLinus Torvaldsconfig CPU_FREQ_INTEGRATOR
16481da177e4SLinus Torvalds	tristate "CPUfreq driver for ARM Integrator CPUs"
16491da177e4SLinus Torvalds	depends on ARCH_INTEGRATOR && CPU_FREQ
16501da177e4SLinus Torvalds	default y
16511da177e4SLinus Torvalds	help
16521da177e4SLinus Torvalds	  This enables the CPUfreq driver for ARM Integrator CPUs.
16531da177e4SLinus Torvalds
16541da177e4SLinus Torvalds	  For details, take a look at <file:Documentation/cpu-freq>.
16551da177e4SLinus Torvalds
16561da177e4SLinus Torvalds	  If in doubt, say Y.
16571da177e4SLinus Torvalds
16589e2697ffSRussell Kingconfig CPU_FREQ_PXA
16599e2697ffSRussell King	bool
16609e2697ffSRussell King	depends on CPU_FREQ && ARCH_PXA && PXA25x
16619e2697ffSRussell King	default y
16629e2697ffSRussell King	select CPU_FREQ_DEFAULT_GOV_USERSPACE
16639e2697ffSRussell King
1664b3748dddSMark Brownconfig CPU_FREQ_S3C64XX
1665b3748dddSMark Brown	bool "CPUfreq support for Samsung S3C64XX CPUs"
1666b3748dddSMark Brown	depends on CPU_FREQ && CPU_S3C6410
1667b3748dddSMark Brown
16689d56c02aSBen Dooksconfig CPU_FREQ_S3C
16699d56c02aSBen Dooks	bool
16709d56c02aSBen Dooks	help
16719d56c02aSBen Dooks	  Internal configuration node for common cpufreq on Samsung SoC
16729d56c02aSBen Dooks
16739d56c02aSBen Dooksconfig CPU_FREQ_S3C24XX
16749d56c02aSBen Dooks	bool "CPUfreq driver for Samsung S3C24XX series CPUs"
16759d56c02aSBen Dooks	depends on ARCH_S3C2410 && CPU_FREQ && EXPERIMENTAL
16769d56c02aSBen Dooks	select CPU_FREQ_S3C
16779d56c02aSBen Dooks	help
16789d56c02aSBen Dooks	  This enables the CPUfreq driver for the Samsung S3C24XX family
16799d56c02aSBen Dooks	  of CPUs.
16809d56c02aSBen Dooks
16819d56c02aSBen Dooks	  For details, take a look at <file:Documentation/cpu-freq>.
16829d56c02aSBen Dooks
16839d56c02aSBen Dooks	  If in doubt, say N.
16849d56c02aSBen Dooks
16859d56c02aSBen Dooksconfig CPU_FREQ_S3C24XX_PLL
16869d56c02aSBen Dooks	bool "Support CPUfreq changing of PLL frequency"
16879d56c02aSBen Dooks	depends on CPU_FREQ_S3C24XX && EXPERIMENTAL
16889d56c02aSBen Dooks	help
16899d56c02aSBen Dooks	  Compile in support for changing the PLL frequency from the
16909d56c02aSBen Dooks	  S3C24XX series CPUfreq driver. The PLL takes time to settle
16919d56c02aSBen Dooks	  after a frequency change, so by default it is not enabled.
16929d56c02aSBen Dooks
16939d56c02aSBen Dooks	  This also means that the PLL tables for the selected CPU(s) will
16949d56c02aSBen Dooks	  be built which may increase the size of the kernel image.
16959d56c02aSBen Dooks
16969d56c02aSBen Dooksconfig CPU_FREQ_S3C24XX_DEBUG
16979d56c02aSBen Dooks	bool "Debug CPUfreq Samsung driver core"
16989d56c02aSBen Dooks	depends on CPU_FREQ_S3C24XX
16999d56c02aSBen Dooks	help
17009d56c02aSBen Dooks	  Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
17019d56c02aSBen Dooks
17029d56c02aSBen Dooksconfig CPU_FREQ_S3C24XX_IODEBUG
17039d56c02aSBen Dooks	bool "Debug CPUfreq Samsung driver IO timing"
17049d56c02aSBen Dooks	depends on CPU_FREQ_S3C24XX
17059d56c02aSBen Dooks	help
17069d56c02aSBen Dooks	  Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
17079d56c02aSBen Dooks
1708e6d197a6SBen Dooksconfig CPU_FREQ_S3C24XX_DEBUGFS
1709e6d197a6SBen Dooks	bool "Export debugfs for CPUFreq"
1710e6d197a6SBen Dooks	depends on CPU_FREQ_S3C24XX && DEBUG_FS
1711e6d197a6SBen Dooks	help
1712e6d197a6SBen Dooks	  Export status information via debugfs.
1713e6d197a6SBen Dooks
17141da177e4SLinus Torvaldsendif
17151da177e4SLinus Torvalds
1716ac9d7efcSRussell Kingsource "drivers/cpuidle/Kconfig"
1717ac9d7efcSRussell King
1718ac9d7efcSRussell Kingendmenu
1719ac9d7efcSRussell King
17201da177e4SLinus Torvaldsmenu "Floating point emulation"
17211da177e4SLinus Torvalds
17221da177e4SLinus Torvaldscomment "At least one emulation must be selected"
17231da177e4SLinus Torvalds
17241da177e4SLinus Torvaldsconfig FPE_NWFPE
17251da177e4SLinus Torvalds	bool "NWFPE math emulation"
17268993a44cSNicolas Pitre	depends on !AEABI || OABI_COMPAT
17271da177e4SLinus Torvalds	---help---
17281da177e4SLinus Torvalds	  Say Y to include the NWFPE floating point emulator in the kernel.
17291da177e4SLinus Torvalds	  This is necessary to run most binaries. Linux does not currently
17301da177e4SLinus Torvalds	  support floating point hardware so you need to say Y here even if
17311da177e4SLinus Torvalds	  your machine has an FPA or floating point co-processor podule.
17321da177e4SLinus Torvalds
17331da177e4SLinus Torvalds	  You may say N here if you are going to load the Acorn FPEmulator
17341da177e4SLinus Torvalds	  early in the bootup.
17351da177e4SLinus Torvalds
17361da177e4SLinus Torvaldsconfig FPE_NWFPE_XP
17371da177e4SLinus Torvalds	bool "Support extended precision"
1738bedf142bSLennert Buytenhek	depends on FPE_NWFPE
17391da177e4SLinus Torvalds	help
17401da177e4SLinus Torvalds	  Say Y to include 80-bit support in the kernel floating-point
17411da177e4SLinus Torvalds	  emulator.  Otherwise, only 32 and 64-bit support is compiled in.
17421da177e4SLinus Torvalds	  Note that gcc does not generate 80-bit operations by default,
17431da177e4SLinus Torvalds	  so in most cases this option only enlarges the size of the
17441da177e4SLinus Torvalds	  floating point emulator without any good reason.
17451da177e4SLinus Torvalds
17461da177e4SLinus Torvalds	  You almost surely want to say N here.
17471da177e4SLinus Torvalds
17481da177e4SLinus Torvaldsconfig FPE_FASTFPE
17491da177e4SLinus Torvalds	bool "FastFPE math emulation (EXPERIMENTAL)"
17508993a44cSNicolas Pitre	depends on (!AEABI || OABI_COMPAT) && !CPU_32v3 && EXPERIMENTAL
17511da177e4SLinus Torvalds	---help---
17521da177e4SLinus Torvalds	  Say Y here to include the FAST floating point emulator in the kernel.
17531da177e4SLinus Torvalds	  This is an experimental much faster emulator which now also has full
17541da177e4SLinus Torvalds	  precision for the mantissa.  It does not support any exceptions.
17551da177e4SLinus Torvalds	  It is very simple, and approximately 3-6 times faster than NWFPE.
17561da177e4SLinus Torvalds
17571da177e4SLinus Torvalds	  It should be sufficient for most programs.  It may be not suitable
17581da177e4SLinus Torvalds	  for scientific calculations, but you have to check this for yourself.
17591da177e4SLinus Torvalds	  If you do not feel you need a faster FP emulation you should better
17601da177e4SLinus Torvalds	  choose NWFPE.
17611da177e4SLinus Torvalds
17621da177e4SLinus Torvaldsconfig VFP
17631da177e4SLinus Torvalds	bool "VFP-format floating point maths"
1764c00d4ffdSRussell King	depends on CPU_V6 || CPU_ARM926T || CPU_V7 || CPU_FEROCEON
17651da177e4SLinus Torvalds	help
17661da177e4SLinus Torvalds	  Say Y to include VFP support code in the kernel. This is needed
17671da177e4SLinus Torvalds	  if your hardware includes a VFP unit.
17681da177e4SLinus Torvalds
17691da177e4SLinus Torvalds	  Please see <file:Documentation/arm/VFP/release-notes.txt> for
17701da177e4SLinus Torvalds	  release notes and additional status information.
17711da177e4SLinus Torvalds
17721da177e4SLinus Torvalds	  Say N if your target does not have VFP hardware.
17731da177e4SLinus Torvalds
177425ebee02SCatalin Marinasconfig VFPv3
177525ebee02SCatalin Marinas	bool
177625ebee02SCatalin Marinas	depends on VFP
177725ebee02SCatalin Marinas	default y if CPU_V7
177825ebee02SCatalin Marinas
1779b5872db4SCatalin Marinasconfig NEON
1780b5872db4SCatalin Marinas	bool "Advanced SIMD (NEON) Extension support"
1781b5872db4SCatalin Marinas	depends on VFPv3 && CPU_V7
1782b5872db4SCatalin Marinas	help
1783b5872db4SCatalin Marinas	  Say Y to include support code for NEON, the ARMv7 Advanced SIMD
1784b5872db4SCatalin Marinas	  Extension.
1785b5872db4SCatalin Marinas
17861da177e4SLinus Torvaldsendmenu
17871da177e4SLinus Torvalds
17881da177e4SLinus Torvaldsmenu "Userspace binary formats"
17891da177e4SLinus Torvalds
17901da177e4SLinus Torvaldssource "fs/Kconfig.binfmt"
17911da177e4SLinus Torvalds
17921da177e4SLinus Torvaldsconfig ARTHUR
17931da177e4SLinus Torvalds	tristate "RISC OS personality"
1794704bdda0SNicolas Pitre	depends on !AEABI
17951da177e4SLinus Torvalds	help
17961da177e4SLinus Torvalds	  Say Y here to include the kernel code necessary if you want to run
17971da177e4SLinus Torvalds	  Acorn RISC OS/Arthur binaries under Linux. This code is still very
17981da177e4SLinus Torvalds	  experimental; if this sounds frightening, say N and sleep in peace.
17991da177e4SLinus Torvalds	  You can also say M here to compile this support as a module (which
18001da177e4SLinus Torvalds	  will be called arthur).
18011da177e4SLinus Torvalds
18021da177e4SLinus Torvaldsendmenu
18031da177e4SLinus Torvalds
18041da177e4SLinus Torvaldsmenu "Power management options"
18051da177e4SLinus Torvalds
1806eceab4acSRussell Kingsource "kernel/power/Kconfig"
18071da177e4SLinus Torvalds
1808f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE
1809f4cb5700SJohannes Berg	def_bool y
1810f4cb5700SJohannes Berg
18111da177e4SLinus Torvaldsendmenu
18121da177e4SLinus Torvalds
1813d5950b43SSam Ravnborgsource "net/Kconfig"
1814d5950b43SSam Ravnborg
1815ac25150fSUwe Kleine-Königsource "drivers/Kconfig"
18161da177e4SLinus Torvalds
18171da177e4SLinus Torvaldssource "fs/Kconfig"
18181da177e4SLinus Torvalds
18191da177e4SLinus Torvaldssource "arch/arm/Kconfig.debug"
18201da177e4SLinus Torvalds
18211da177e4SLinus Torvaldssource "security/Kconfig"
18221da177e4SLinus Torvalds
18231da177e4SLinus Torvaldssource "crypto/Kconfig"
18241da177e4SLinus Torvalds
18251da177e4SLinus Torvaldssource "lib/Kconfig"
1826