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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
2# For a description of the syntax of this configuration file,
3# see Documentation/kbuild/kconfig-language.txt.
4#
5
6mainmenu "Linux Kernel Configuration"
7
8config ARM
9 bool
10 default y
David Woodhousee17c6d52008-06-17 12:19:34 +010011 select HAVE_AOUT
Adrian Bunk2064c942008-04-28 23:44:43 +020012 select HAVE_IDE
Alessandro Zummo12b824f2006-03-27 01:16:35 -080013 select RTC_LIB
Ralf Baechle75e71532007-02-09 17:08:58 +000014 select SYS_SUPPORTS_APM_EMULATION
Mathieu Desnoyers42d4b832008-02-02 15:10:34 -050015 select HAVE_OPROFILE
Jason Wessel5cbad0e2008-02-20 13:33:40 -060016 select HAVE_ARCH_KGDB
Mathieu Desnoyers3f550092008-02-02 15:10:35 -050017 select HAVE_KPROBES if (!XIP_KERNEL)
Ananth N Mavinakayanahalli9edddaa2008-03-04 14:28:37 -080018 select HAVE_KRETPROBES if (HAVE_KPROBES)
Steven Rostedt606576c2008-10-06 19:06:12 -040019 select HAVE_FUNCTION_TRACER if (!XIP_KERNEL)
Dmitry Baryshkov1fe53262008-07-18 13:30:14 +040020 select HAVE_GENERIC_DMA_COHERENT
Linus Torvalds1da177e2005-04-16 15:20:36 -070021 help
22 The ARM series is a line of low-power-consumption RISC chip designs
Martin Michlmayrf6c89652006-02-08 21:09:07 +000023 licensed by ARM Ltd and targeted at embedded applications and
Linus Torvalds1da177e2005-04-16 15:20:36 -070024 handhelds such as the Compaq IPAQ. ARM-based PCs are no longer
Martin Michlmayrf6c89652006-02-08 21:09:07 +000025 manufactured, but legacy ARM-based PC hardware remains popular in
Linus Torvalds1da177e2005-04-16 15:20:36 -070026 Europe. There is an ARM Linux project with a web page at
27 <http://www.arm.linux.org.uk/>.
28
Russell King1a189b92008-04-13 21:41:55 +010029config HAVE_PWM
30 bool
31
Ralf Baechle75e71532007-02-09 17:08:58 +000032config SYS_SUPPORTS_APM_EMULATION
33 bool
34
David Brownell0a938b92007-03-05 00:30:18 -080035config GENERIC_GPIO
36 bool
David Brownell0a938b92007-03-05 00:30:18 -080037
Kevin Hilman746140c2006-09-22 00:16:30 +010038config GENERIC_TIME
39 bool
Kevin Hilman746140c2006-09-22 00:16:30 +010040
Kevin Hilman0567a0c2007-03-13 20:29:24 +010041config GENERIC_CLOCKEVENTS
42 bool
Kevin Hilman0567a0c2007-03-13 20:29:24 +010043
Catalin Marinasa8655e82008-02-04 17:30:57 +010044config GENERIC_CLOCKEVENTS_BROADCAST
45 bool
46 depends on GENERIC_CLOCKEVENTS
47 default y if SMP && !LOCAL_TIMERS
48
Linus Torvalds1da177e2005-04-16 15:20:36 -070049config MMU
50 bool
51 default y
52
Al Viro5ea81762007-02-11 15:41:31 +000053config NO_IOPORT
54 bool
Al Viro5ea81762007-02-11 15:41:31 +000055
Linus Torvalds1da177e2005-04-16 15:20:36 -070056config EISA
57 bool
58 ---help---
59 The Extended Industry Standard Architecture (EISA) bus was
60 developed as an open alternative to the IBM MicroChannel bus.
61
62 The EISA bus provided some of the features of the IBM MicroChannel
63 bus while maintaining backward compatibility with cards made for
64 the older ISA bus. The EISA bus saw limited use between 1988 and
65 1995 when it was made obsolete by the PCI bus.
66
67 Say Y here if you are building a kernel for an EISA-based machine.
68
69 Otherwise, say N.
70
71config SBUS
72 bool
73
74config MCA
75 bool
76 help
77 MicroChannel Architecture is found in some IBM PS/2 machines and
78 laptops. It is a bus system similar to PCI or ISA. See
79 <file:Documentation/mca.txt> (and especially the web page given
80 there) before attempting to build an MCA bus kernel.
81
Thomas Gleixner4a2581a2006-07-01 22:30:09 +010082config GENERIC_HARDIRQS
83 bool
84 default y
85
Russell Kingf16fb1e2007-04-28 09:59:37 +010086config STACKTRACE_SUPPORT
87 bool
88 default y
89
Nicolas Pitref76e9152008-04-24 01:31:46 -040090config HAVE_LATENCYTOP_SUPPORT
91 bool
92 depends on !SMP
93 default y
94
Russell Kingf16fb1e2007-04-28 09:59:37 +010095config LOCKDEP_SUPPORT
96 bool
97 default y
98
Russell King7ad1bcb2006-08-27 12:07:02 +010099config TRACE_IRQFLAGS_SUPPORT
100 bool
101 default y
102
Thomas Gleixner4a2581a2006-07-01 22:30:09 +0100103config HARDIRQS_SW_RESEND
104 bool
105 default y
106
107config GENERIC_IRQ_PROBE
108 bool
109 default y
110
Nick Piggin95c354f2008-01-30 13:31:20 +0100111config GENERIC_LOCKBREAK
112 bool
113 default y
114 depends on SMP && PREEMPT
115
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116config RWSEM_GENERIC_SPINLOCK
117 bool
118 default y
119
120config RWSEM_XCHGADD_ALGORITHM
121 bool
122
David Howellsf0d1b0b2006-12-08 02:37:49 -0800123config ARCH_HAS_ILOG2_U32
124 bool
David Howellsf0d1b0b2006-12-08 02:37:49 -0800125
126config ARCH_HAS_ILOG2_U64
127 bool
David Howellsf0d1b0b2006-12-08 02:37:49 -0800128
Akinobu Mitab89c3b12006-03-26 01:39:19 -0800129config GENERIC_HWEIGHT
130 bool
131 default y
132
Linus Torvalds1da177e2005-04-16 15:20:36 -0700133config GENERIC_CALIBRATE_DELAY
134 bool
135 default y
136
viro@ZenIV.linux.org.uka08b6b72005-09-06 01:48:42 +0100137config ARCH_MAY_HAVE_PC_FDC
138 bool
139
Christoph Lameter5ac6da62007-02-10 01:43:14 -0800140config ZONE_DMA
141 bool
Christoph Lameter5ac6da62007-02-10 01:43:14 -0800142
Linus Torvalds1da177e2005-04-16 15:20:36 -0700143config GENERIC_ISA_DMA
144 bool
145
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146config FIQ
147 bool
148
Al Viro034d2f52005-12-19 16:27:59 -0500149config ARCH_MTD_XIP
150 bool
151
Paulius Zaleckas60a752e2008-06-25 13:33:14 +0100152config GENERIC_HARDIRQS_NO__DO_IRQ
Paulius Zaleckas60a752e2008-06-25 13:33:14 +0100153 def_bool y
154
Mathieu Desnoyersc0ffa3a2008-02-02 15:10:32 -0500155if OPROFILE
156
157config OPROFILE_ARMV6
158 def_bool y
159 depends on CPU_V6 && !SMP
160 select OPROFILE_ARM11_CORE
161
162config OPROFILE_MPCORE
163 def_bool y
164 depends on CPU_V6 && SMP
165 select OPROFILE_ARM11_CORE
166
167config OPROFILE_ARM11_CORE
168 bool
169
Jean PIHETd7ac4e22008-08-12 19:07:39 +0100170config OPROFILE_ARMV7
171 def_bool y
172 depends on CPU_V7 && !SMP
173 bool
174
Mathieu Desnoyersc0ffa3a2008-02-02 15:10:32 -0500175endif
176
Hyok S. Choic760fc12006-03-27 15:18:50 +0100177config VECTORS_BASE
178 hex
Hyok S. Choi6afd6fa2006-09-28 21:46:34 +0900179 default 0xffff0000 if MMU || CPU_HIGH_VECTOR
Hyok S. Choic760fc12006-03-27 15:18:50 +0100180 default DRAM_BASE if REMAP_VECTORS_TO_RAM
181 default 0x00000000
182 help
183 The base address of exception vectors.
184
Linus Torvalds1da177e2005-04-16 15:20:36 -0700185source "init/Kconfig"
186
Matt Helsleydc52ddc2008-10-18 20:27:21 -0700187source "kernel/Kconfig.freezer"
188
Linus Torvalds1da177e2005-04-16 15:20:36 -0700189menu "System Type"
190
191choice
192 prompt "ARM system type"
Catalin Marinas6a0e2432006-03-07 14:42:27 +0000193 default ARCH_VERSATILE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700194
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100195config ARCH_AAEC2000
196 bool "Agilent AAEC-2000 based"
Russell Kingc7508152008-10-26 10:55:14 +0000197 select CPU_ARM920T
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100198 select ARM_AMBA
David Brownell9483a572008-07-23 21:26:48 -0700199 select HAVE_CLK
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100200 help
201 This enables support for systems based on the Agilent AAEC-2000
202
203config ARCH_INTEGRATOR
204 bool "ARM Ltd. Integrator family"
205 select ARM_AMBA
David Brownell9483a572008-07-23 21:26:48 -0700206 select HAVE_CLK
Russell Kingd72fbdf2008-11-08 20:08:08 +0000207 select COMMON_CLKDEV
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100208 select ICST525
209 help
210 Support for ARM's Integrator platform.
211
212config ARCH_REALVIEW
213 bool "ARM Ltd. RealView family"
214 select ARM_AMBA
David Brownell9483a572008-07-23 21:26:48 -0700215 select HAVE_CLK
Russell Kingcf30fb42008-11-08 20:05:55 +0000216 select COMMON_CLKDEV
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100217 select ICST307
Catalin Marinas85802af2008-02-04 17:24:54 +0100218 select GENERIC_TIME
Catalin Marinasae30cea2008-02-04 17:26:55 +0100219 select GENERIC_CLOCKEVENTS
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100220 help
221 This enables support for ARM Ltd RealView boards.
222
223config ARCH_VERSATILE
224 bool "ARM Ltd. Versatile family"
225 select ARM_AMBA
226 select ARM_VIC
David Brownell9483a572008-07-23 21:26:48 -0700227 select HAVE_CLK
Russell King71a06da2008-11-08 20:13:53 +0000228 select COMMON_CLKDEV
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100229 select ICST307
Kevin Hilmanb49c87c2007-03-08 20:25:13 +0100230 select GENERIC_TIME
Kevin Hilman89df1272007-03-08 20:30:38 +0100231 select GENERIC_CLOCKEVENTS
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100232 help
233 This enables support for ARM Ltd Versatile board.
234
Andrew Victor8fc5ffa2006-06-29 16:06:33 +0100235config ARCH_AT91
236 bool "Atmel AT91"
David Brownell0a938b92007-03-05 00:30:18 -0800237 select GENERIC_GPIO
Ryan Mallonf373e8c2009-02-10 21:02:08 +0100238 select ARCH_REQUIRE_GPIOLIB
David Brownell93686ae2008-07-28 15:46:22 -0700239 select HAVE_CLK
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100240 help
Andrew Victor2b3b3512008-01-24 15:10:39 +0100241 This enables support for systems based on the Atmel AT91RM9200,
242 AT91SAM9 and AT91CAP9 processors.
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100243
Linus Torvalds1da177e2005-04-16 15:20:36 -0700244config ARCH_CLPS711X
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100245 bool "Cirrus Logic CLPS711x/EP721x-based"
Russell Kingc7508152008-10-26 10:55:14 +0000246 select CPU_ARM720T
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000247 help
248 Support for Cirrus Logic 711x/721x based boards.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700249
Russell King788c9702009-04-26 14:21:59 +0100250config ARCH_GEMINI
251 bool "Cortina Systems Gemini"
252 select CPU_FA526
253 select GENERIC_GPIO
254 select ARCH_REQUIRE_GPIOLIB
255 help
256 Support for the Cortina Systems Gemini family SoCs
257
Linus Torvalds1da177e2005-04-16 15:20:36 -0700258config ARCH_EBSA110
259 bool "EBSA-110"
Russell Kingc7508152008-10-26 10:55:14 +0000260 select CPU_SA110
Russell Kingf7e68bb2005-05-05 14:49:01 +0100261 select ISA
Russell Kingc5eb2a22007-03-03 11:54:19 +0000262 select NO_IOPORT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700263 help
264 This is an evaluation board for the StrongARM processor available
Martin Michlmayrf6c89652006-02-08 21:09:07 +0000265 from Digital. It has limited hardware on-board, including an
Linus Torvalds1da177e2005-04-16 15:20:36 -0700266 Ethernet interface, two PCMCIA sockets, two serial ports and a
267 parallel port.
268
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000269config ARCH_EP93XX
270 bool "EP93xx-based"
Russell Kingc7508152008-10-26 10:55:14 +0000271 select CPU_ARM920T
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000272 select ARM_AMBA
273 select ARM_VIC
Herbert Valerio Riedel4e9f9fd2007-11-26 18:41:02 +0100274 select GENERIC_GPIO
David Brownell9483a572008-07-23 21:26:48 -0700275 select HAVE_CLK
Russell Kingae696fd2008-11-30 17:11:49 +0000276 select COMMON_CLKDEV
Michael Buesch7444a722008-07-25 01:46:11 -0700277 select ARCH_REQUIRE_GPIOLIB
Mel Gormaneb335752009-05-13 17:34:48 +0100278 select ARCH_HAS_HOLES_MEMORYMODEL
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000279 help
280 This enables support for the Cirrus EP93xx series of CPUs.
281
Linus Torvalds1da177e2005-04-16 15:20:36 -0700282config ARCH_FOOTBRIDGE
283 bool "FootBridge"
Russell Kingc7508152008-10-26 10:55:14 +0000284 select CPU_SA110
Linus Torvalds1da177e2005-04-16 15:20:36 -0700285 select FOOTBRIDGE
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000286 help
287 Support for systems based on the DC21285 companion chip
288 ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700289
Russell King788c9702009-04-26 14:21:59 +0100290config ARCH_MXC
291 bool "Freescale MXC/iMX-based"
292 select GENERIC_TIME
293 select GENERIC_CLOCKEVENTS
294 select ARCH_MTD_XIP
295 select GENERIC_GPIO
296 select ARCH_REQUIRE_GPIOLIB
Russell Kinga2ab67f2009-05-23 20:57:31 +0100297 select HAVE_CLK
Russell King788c9702009-04-26 14:21:59 +0100298 help
299 Support for Freescale MXC/iMX-based family of processors
300
dmitry pervushin7bd0f2f2009-04-27 10:35:04 +0100301config ARCH_STMP3XXX
302 bool "Freescale STMP3xxx"
303 select CPU_ARM926T
304 select HAVE_CLK
305 select COMMON_CLKDEV
306 select ARCH_REQUIRE_GPIOLIB
307 select GENERIC_TIME
308 select GENERIC_CLOCKEVENTS
309 select GENERIC_GPIO
310 select USB_ARCH_HAS_EHCI
311 help
312 Support for systems based on the Freescale 3xxx CPUs.
313
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100314config ARCH_NETX
315 bool "Hilscher NetX based"
Russell Kingc7508152008-10-26 10:55:14 +0000316 select CPU_ARM926T
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100317 select ARM_VIC
Uwe Kleine-König2fcfe6b2008-12-09 21:57:24 +0100318 select GENERIC_CLOCKEVENTS
Uwe Kleine-König21edecd2008-12-09 21:57:23 +0100319 select GENERIC_TIME
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000320 help
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100321 This enables support for systems based on the Hilscher NetX Soc
322
323config ARCH_H720X
324 bool "Hynix HMS720x-based"
Russell Kingc7508152008-10-26 10:55:14 +0000325 select CPU_ARM720T
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100326 select ISA_DMA_API
327 help
328 This enables support for systems based on the Hynix HMS720x
329
Alessandro Rubini28ad94e2009-07-02 19:06:47 +0100330config ARCH_NOMADIK
331 bool "STMicroelectronics Nomadik"
332 select ARM_AMBA
333 select ARM_VIC
334 select CPU_ARM926T
335 select HAVE_CLK
336 select COMMON_CLKDEV
337 select GENERIC_TIME
338 select GENERIC_CLOCKEVENTS
339
340 help
341 Support for the Nomadik platform by ST-Ericsson
342
Russell King3b938be2007-05-12 11:25:44 +0100343config ARCH_IOP13XX
344 bool "IOP13xx-based"
345 depends on MMU
Russell Kingc7508152008-10-26 10:55:14 +0000346 select CPU_XSC3
Russell King3b938be2007-05-12 11:25:44 +0100347 select PLAT_IOP
348 select PCI
349 select ARCH_SUPPORTS_MSI
Lennert Buytenhek8d5796d2008-08-25 21:03:32 +0100350 select VMSPLIT_1G
Russell King3b938be2007-05-12 11:25:44 +0100351 help
352 Support for Intel's IOP13XX (XScale) family of processors.
353
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100354config ARCH_IOP32X
355 bool "IOP32x-based"
Russell Kinga4f7e762006-06-28 12:52:41 +0100356 depends on MMU
Russell Kingc7508152008-10-26 10:55:14 +0000357 select CPU_XSCALE
Lennert Buytenhek7ae1f7e2006-09-18 23:12:53 +0100358 select PLAT_IOP
Russell Kingf7e68bb2005-05-05 14:49:01 +0100359 select PCI
Arnaud Patard63f385c2008-07-08 23:07:48 +0100360 select GENERIC_GPIO
Russell Kingbb2b1802008-07-26 15:36:03 +0100361 select ARCH_REQUIRE_GPIOLIB
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000362 help
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100363 Support for Intel's 80219 and IOP32X (XScale) family of
364 processors.
365
366config ARCH_IOP33X
367 bool "IOP33x-based"
368 depends on MMU
Russell Kingc7508152008-10-26 10:55:14 +0000369 select CPU_XSCALE
Lennert Buytenhek7ae1f7e2006-09-18 23:12:53 +0100370 select PLAT_IOP
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100371 select PCI
Arnaud Patard63f385c2008-07-08 23:07:48 +0100372 select GENERIC_GPIO
Russell Kingbb2b1802008-07-26 15:36:03 +0100373 select ARCH_REQUIRE_GPIOLIB
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100374 help
375 Support for Intel's IOP33X (XScale) family of processors.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700376
Russell King3b938be2007-05-12 11:25:44 +0100377config ARCH_IXP23XX
378 bool "IXP23XX-based"
Dan Williams588ef762007-02-13 17:12:04 +0100379 depends on MMU
Russell Kingc7508152008-10-26 10:55:14 +0000380 select CPU_XSC3
Russell King3b938be2007-05-12 11:25:44 +0100381 select PCI
Dan Williams285f5fa2006-12-07 02:59:39 +0100382 help
Russell King3b938be2007-05-12 11:25:44 +0100383 Support for Intel's IXP23xx (XScale) family of processors.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700384
385config ARCH_IXP2000
386 bool "IXP2400/2800-based"
Russell Kinga4f7e762006-06-28 12:52:41 +0100387 depends on MMU
Russell Kingc7508152008-10-26 10:55:14 +0000388 select CPU_XSCALE
Russell Kingf7e68bb2005-05-05 14:49:01 +0100389 select PCI
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000390 help
391 Support for Intel's IXP2400/2800 (XScale) family of processors.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700392
Russell King3b938be2007-05-12 11:25:44 +0100393config ARCH_IXP4XX
394 bool "IXP4xx-based"
Russell Kinga4f7e762006-06-28 12:52:41 +0100395 depends on MMU
Russell Kingc7508152008-10-26 10:55:14 +0000396 select CPU_XSCALE
Milan Svoboda8858e9a2007-05-14 07:50:42 +0100397 select GENERIC_GPIO
Russell King3b938be2007-05-12 11:25:44 +0100398 select GENERIC_TIME
399 select GENERIC_CLOCKEVENTS
Russell King485bdde2008-10-17 14:00:43 +0100400 select DMABOUNCE if PCI
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100401 help
Russell King3b938be2007-05-12 11:25:44 +0100402 Support for Intel's IXP4XX (XScale) family of processors.
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100403
Linus Torvalds1da177e2005-04-16 15:20:36 -0700404config ARCH_L7200
405 bool "LinkUp-L7200"
Russell Kingc7508152008-10-26 10:55:14 +0000406 select CPU_ARM720T
Linus Torvalds1da177e2005-04-16 15:20:36 -0700407 select FIQ
408 help
409 Say Y here if you intend to run this kernel on a LinkUp Systems
410 L7200 Software Development Board which uses an ARM720T processor.
411 Information on this board can be obtained at:
412
413 <http://www.linkupsys.com/>
414
415 If you have any questions or comments about the Linux kernel port
416 to this board, send e-mail to <sjhill@cotw.com>.
417
Saeed Bishara651c74c2008-06-22 22:45:06 +0200418config ARCH_KIRKWOOD
419 bool "Marvell Kirkwood"
Russell Kingc7508152008-10-26 10:55:14 +0000420 select CPU_FEROCEON
Saeed Bishara651c74c2008-06-22 22:45:06 +0200421 select PCI
Lennert Buytenhek4c213432008-10-20 01:51:04 +0200422 select GENERIC_GPIO
Erik Benadaa8865652009-05-28 17:08:55 -0700423 select ARCH_REQUIRE_GPIOLIB
Saeed Bishara651c74c2008-06-22 22:45:06 +0200424 select GENERIC_TIME
425 select GENERIC_CLOCKEVENTS
426 select PLAT_ORION
427 help
428 Support for the following Marvell Kirkwood series SoCs:
429 88F6180, 88F6192 and 88F6281.
430
Russell King788c9702009-04-26 14:21:59 +0100431config ARCH_LOKI
432 bool "Marvell Loki (88RC8480)"
433 select CPU_FEROCEON
434 select GENERIC_TIME
435 select GENERIC_CLOCKEVENTS
436 select PLAT_ORION
437 help
438 Support for the Marvell Loki (88RC8480) SoC.
439
440config ARCH_MV78XX0
441 bool "Marvell MV78xx0"
442 select CPU_FEROCEON
443 select PCI
444 select GENERIC_GPIO
Erik Benadaa8865652009-05-28 17:08:55 -0700445 select ARCH_REQUIRE_GPIOLIB
Russell King788c9702009-04-26 14:21:59 +0100446 select GENERIC_TIME
447 select GENERIC_CLOCKEVENTS
448 select PLAT_ORION
449 help
450 Support for the following Marvell MV78xx0 series SoCs:
451 MV781x0, MV782x0.
452
453config ARCH_ORION5X
454 bool "Marvell Orion"
455 depends on MMU
456 select CPU_FEROCEON
457 select PCI
458 select GENERIC_GPIO
Erik Benadaa8865652009-05-28 17:08:55 -0700459 select ARCH_REQUIRE_GPIOLIB
Russell King788c9702009-04-26 14:21:59 +0100460 select GENERIC_TIME
461 select GENERIC_CLOCKEVENTS
462 select PLAT_ORION
463 help
464 Support for the following Marvell Orion 5x series SoCs:
465 Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182),
466 Orion-2 (5281), Orion-1-90 (6183).
467
468config ARCH_MMP
469 bool "Marvell PXA168/910"
470 depends on MMU
471 select GENERIC_GPIO
472 select ARCH_REQUIRE_GPIOLIB
473 select HAVE_CLK
474 select COMMON_CLKDEV
475 select GENERIC_TIME
476 select GENERIC_CLOCKEVENTS
477 select TICK_ONESHOT
478 select PLAT_PXA
479 help
480 Support for Marvell's PXA168/910 processor line.
481
Andrew Victorc53c9cf2007-05-11 21:01:28 +0100482config ARCH_KS8695
483 bool "Micrel/Kendin KS8695"
Russell Kingc7508152008-10-26 10:55:14 +0000484 select CPU_ARM922T
Andrew Victor8a87a992007-05-14 14:30:15 +0100485 select GENERIC_GPIO
Daniel Silverstone72880ad2008-12-13 20:44:12 +0000486 select ARCH_REQUIRE_GPIOLIB
Andrew Victorc53c9cf2007-05-11 21:01:28 +0100487 help
488 Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based
489 System-on-Chip devices.
490
Uwe Kleine-König9918cda2007-02-16 15:36:55 +0100491config ARCH_NS9XXX
492 bool "NetSilicon NS9xxx"
Russell Kingc7508152008-10-26 10:55:14 +0000493 select CPU_ARM926T
Uwe Kleine-König689f2a02007-09-30 20:35:09 +0100494 select GENERIC_GPIO
Uwe Kleine-Königcef59752007-09-30 20:35:48 +0100495 select GENERIC_TIME
Uwe Kleine-Königc0bb87f2007-09-30 20:36:00 +0100496 select GENERIC_CLOCKEVENTS
David Brownell9483a572008-07-23 21:26:48 -0700497 select HAVE_CLK
Uwe Kleine-König9918cda2007-02-16 15:36:55 +0100498 help
499 Say Y here if you intend to run this kernel on a NetSilicon NS9xxx
500 System.
501
502 <http://www.digi.com/products/microprocessors/index.jsp>
503
Russell King788c9702009-04-26 14:21:59 +0100504config ARCH_W90X900
505 bool "Nuvoton W90X900 CPU"
506 select CPU_ARM926T
wanzongshunc52d3d62009-06-10 15:49:32 +0100507 select ARCH_REQUIRE_GPIOLIB
508 select GENERIC_GPIO
wanzongshun0e4a34b2009-06-10 15:50:44 +0100509 select COMMON_CLKDEV
Lennert Buytenhek777f9be2008-06-22 22:45:02 +0200510 help
Russell King788c9702009-04-26 14:21:59 +0100511 Support for Nuvoton (Winbond logic dept.) ARM9 processor,You
512 can login www.mcuos.com or www.nuvoton.com to know more.
Tzachi Perelstein585cf172007-10-23 15:14:41 -0400513
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100514config ARCH_PNX4008
515 bool "Philips Nexperia PNX4008 Mobile"
Russell Kingc7508152008-10-26 10:55:14 +0000516 select CPU_ARM926T
David Brownell9483a572008-07-23 21:26:48 -0700517 select HAVE_CLK
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100518 help
519 This enables support for Philips PNX4008 mobile platform.
520
Linus Torvalds1da177e2005-04-16 15:20:36 -0700521config ARCH_PXA
eric miao2c8086a2007-09-11 19:13:17 -0700522 bool "PXA2xx/PXA3xx-based"
Russell Kinga4f7e762006-06-28 12:52:41 +0100523 depends on MMU
Al Viro034d2f52005-12-19 16:27:59 -0500524 select ARCH_MTD_XIP
David Brownell0a938b92007-03-05 00:30:18 -0800525 select GENERIC_GPIO
David Brownell9483a572008-07-23 21:26:48 -0700526 select HAVE_CLK
Russell King8c3abc72008-11-08 20:25:21 +0000527 select COMMON_CLKDEV
Michael Buesch7444a722008-07-25 01:46:11 -0700528 select ARCH_REQUIRE_GPIOLIB
Nicolas Pitre45cf5ee2007-02-05 22:37:07 +0100529 select GENERIC_TIME
Eric Miao981d0f32007-07-24 01:22:43 +0100530 select GENERIC_CLOCKEVENTS
Russell Kinga88264c2007-11-12 22:45:16 +0000531 select TICK_ONESHOT
Eric Miaobd5ce432009-01-20 12:06:01 +0800532 select PLAT_PXA
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000533 help
eric miao2c8086a2007-09-11 19:13:17 -0700534 Support for Intel/Marvell's PXA2xx/PXA3xx processor line.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700535
Russell King788c9702009-04-26 14:21:59 +0100536config ARCH_MSM
537 bool "Qualcomm MSM"
538 select CPU_V6
Eric Miao49cbe782009-01-20 14:15:18 +0800539 select GENERIC_TIME
540 select GENERIC_CLOCKEVENTS
Eric Miao49cbe782009-01-20 14:15:18 +0800541 help
Russell King788c9702009-04-26 14:21:59 +0100542 Support for Qualcomm MSM7K based systems. This runs on the ARM11
543 apps processor of the MSM7K and depends on a shared memory
544 interface to the ARM9 modem processor which runs the baseband stack
545 and controls some vital subsystems (clock and power control, etc).
Eric Miao49cbe782009-01-20 14:15:18 +0800546
Linus Torvalds1da177e2005-04-16 15:20:36 -0700547config ARCH_RPC
548 bool "RiscPC"
549 select ARCH_ACORN
550 select FIQ
551 select TIMER_ACORN
viro@ZenIV.linux.org.uka08b6b72005-09-06 01:48:42 +0100552 select ARCH_MAY_HAVE_PC_FDC
Ben Dooks341eb782008-07-01 14:16:49 +0100553 select HAVE_PATA_PLATFORM
Russell King065909b2006-01-04 15:44:16 +0000554 select ISA_DMA_API
Al Viro5ea81762007-02-11 15:41:31 +0000555 select NO_IOPORT
Russell King07f841b2008-10-01 17:11:06 +0100556 select ARCH_SPARSEMEM_ENABLE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700557 help
558 On the Acorn Risc-PC, Linux can support the internal IDE disk and
559 CD-ROM interface, serial and parallel port, and the floppy drive.
560
561config ARCH_SA1100
562 bool "SA1100-based"
Russell Kingc7508152008-10-26 10:55:14 +0000563 select CPU_SA1100
Russell Kingf7e68bb2005-05-05 14:49:01 +0100564 select ISA
Russell King05944d72006-11-30 20:43:51 +0000565 select ARCH_SPARSEMEM_ENABLE
Al Viro034d2f52005-12-19 16:27:59 -0500566 select ARCH_MTD_XIP
David Brownell0a938b92007-03-05 00:30:18 -0800567 select GENERIC_GPIO
Russell Kingd142b6e2007-11-12 21:55:12 +0000568 select GENERIC_TIME
Russell King3e238be2008-04-14 23:03:10 +0100569 select GENERIC_CLOCKEVENTS
David Brownell9483a572008-07-23 21:26:48 -0700570 select HAVE_CLK
Russell King3e238be2008-04-14 23:03:10 +0100571 select TICK_ONESHOT
Michael Buesch7444a722008-07-25 01:46:11 -0700572 select ARCH_REQUIRE_GPIOLIB
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000573 help
574 Support for StrongARM 11x0 based boards.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700575
576config ARCH_S3C2410
Ben Dookse4d06e32007-02-16 12:12:31 +0100577 bool "Samsung S3C2410, S3C2412, S3C2413, S3C2440, S3C2442, S3C2443"
David Brownell0a938b92007-03-05 00:30:18 -0800578 select GENERIC_GPIO
David Brownell9483a572008-07-23 21:26:48 -0700579 select HAVE_CLK
Linus Torvalds1da177e2005-04-16 15:20:36 -0700580 help
581 Samsung S3C2410X CPU based systems, such as the Simtec Electronics
582 BAST (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or
Martin Michlmayrf6c89652006-02-08 21:09:07 +0000583 the Samsung SMDK2410 development board (and derivatives).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700584
Ben Dooksa08ab632008-10-21 14:06:39 +0100585config ARCH_S3C64XX
586 bool "Samsung S3C64XX"
587 select GENERIC_GPIO
588 select HAVE_CLK
589 help
590 Samsung S3C64XX series based systems
591
Linus Torvalds1da177e2005-04-16 15:20:36 -0700592config ARCH_SHARK
593 bool "Shark"
Russell Kingc7508152008-10-26 10:55:14 +0000594 select CPU_SA110
Russell Kingf7e68bb2005-05-05 14:49:01 +0100595 select ISA
596 select ISA_DMA
Nicolas Pitre3bca1032008-10-07 20:14:55 +0100597 select ZONE_DMA
Russell Kingf7e68bb2005-05-05 14:49:01 +0100598 select PCI
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000599 help
600 Support for the StrongARM based Digital DNARD machine, also known
601 as "Shark" (<http://www.shark-linux.de/shark.html>).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700602
603config ARCH_LH7A40X
604 bool "Sharp LH7A40X"
Russell Kingc7508152008-10-26 10:55:14 +0000605 select CPU_ARM922T
Russell King4ba3f7c2008-10-01 21:38:23 +0100606 select ARCH_DISCONTIGMEM_ENABLE if !LH7A40X_CONTIGMEM
607 select ARCH_SPARSEMEM_ENABLE if !LH7A40X_CONTIGMEM
Linus Torvalds1da177e2005-04-16 15:20:36 -0700608 help
609 Say Y here for systems based on one of the Sharp LH7A40X
610 System on a Chip processors. These CPUs include an ARM922T
611 core with a wide array of integrated devices for
612 hand-held and low-power applications.
613
Linus Walleijd98aac72009-04-27 10:21:46 +0100614config ARCH_U300
615 bool "ST-Ericsson U300 Series"
616 depends on MMU
617 select CPU_ARM926T
618 select ARM_AMBA
619 select ARM_VIC
620 select GENERIC_TIME
621 select GENERIC_CLOCKEVENTS
622 select HAVE_CLK
623 select COMMON_CLKDEV
624 select GENERIC_GPIO
625 help
626 Support for ST-Ericsson U300 series mobile platforms.
627
Kevin Hilman7c6337e2007-04-30 19:37:19 +0100628config ARCH_DAVINCI
629 bool "TI DaVinci"
Russell Kingc7508152008-10-26 10:55:14 +0000630 select CPU_ARM926T
Kevin Hilman7c6337e2007-04-30 19:37:19 +0100631 select GENERIC_TIME
632 select GENERIC_CLOCKEVENTS
Vladimir Barinov3d9edf02007-07-10 13:03:43 +0100633 select GENERIC_GPIO
David Brownelldce11152008-09-07 23:41:04 -0700634 select ARCH_REQUIRE_GPIOLIB
David Brownell9483a572008-07-23 21:26:48 -0700635 select HAVE_CLK
Nicolas Pitre3bca1032008-10-07 20:14:55 +0100636 select ZONE_DMA
Kevin Hilman9232fcc2009-04-08 14:49:38 -0700637 select HAVE_IDE
Kevin Hilmanc5b736d2009-03-20 17:29:01 -0700638 select COMMON_CLKDEV
David Brownell20e99692009-05-07 09:31:42 -0700639 select GENERIC_ALLOCATOR
Kevin Hilman7c6337e2007-04-30 19:37:19 +0100640 help
641 Support for TI's DaVinci platform.
642
Russell King3b938be2007-05-12 11:25:44 +0100643config ARCH_OMAP
644 bool "TI OMAP"
645 select GENERIC_GPIO
David Brownell9483a572008-07-23 21:26:48 -0700646 select HAVE_CLK
Michael Buesch7444a722008-07-25 01:46:11 -0700647 select ARCH_REQUIRE_GPIOLIB
Russell King3b938be2007-05-12 11:25:44 +0100648 select GENERIC_TIME
Kevin Hilman06cad092007-10-18 23:04:43 -0700649 select GENERIC_CLOCKEVENTS
Russell King3b938be2007-05-12 11:25:44 +0100650 help
651 Support for TI's OMAP platform (OMAP1 and OMAP2).
652
Linus Torvalds1da177e2005-04-16 15:20:36 -0700653endchoice
654
655source "arch/arm/mach-clps711x/Kconfig"
656
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000657source "arch/arm/mach-ep93xx/Kconfig"
658
Linus Torvalds1da177e2005-04-16 15:20:36 -0700659source "arch/arm/mach-footbridge/Kconfig"
660
Paulius Zaleckas59d3a192009-03-26 10:06:08 +0200661source "arch/arm/mach-gemini/Kconfig"
662
Linus Torvalds1da177e2005-04-16 15:20:36 -0700663source "arch/arm/mach-integrator/Kconfig"
664
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100665source "arch/arm/mach-iop32x/Kconfig"
666
667source "arch/arm/mach-iop33x/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700668
Dan Williams285f5fa2006-12-07 02:59:39 +0100669source "arch/arm/mach-iop13xx/Kconfig"
670
Linus Torvalds1da177e2005-04-16 15:20:36 -0700671source "arch/arm/mach-ixp4xx/Kconfig"
672
673source "arch/arm/mach-ixp2000/Kconfig"
674
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100675source "arch/arm/mach-ixp23xx/Kconfig"
676
Lennert Buytenhek777f9be2008-06-22 22:45:02 +0200677source "arch/arm/mach-loki/Kconfig"
678
Stanislav Samsonov794d15b2008-06-22 22:45:10 +0200679source "arch/arm/mach-mv78xx0/Kconfig"
680
Linus Torvalds1da177e2005-04-16 15:20:36 -0700681source "arch/arm/mach-pxa/Kconfig"
Eric Miaobd5ce432009-01-20 12:06:01 +0800682source "arch/arm/plat-pxa/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700683
Eric Miao49cbe782009-01-20 14:15:18 +0800684source "arch/arm/mach-mmp/Kconfig"
685
Linus Torvalds1da177e2005-04-16 15:20:36 -0700686source "arch/arm/mach-sa1100/Kconfig"
687
Tony Lindgrend48af152005-07-10 19:58:17 +0100688source "arch/arm/plat-omap/Kconfig"
689
690source "arch/arm/mach-omap1/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700691
Tony Lindgren1dbae812005-11-10 14:26:51 +0000692source "arch/arm/mach-omap2/Kconfig"
693
Lennert Buytenhek9dd0b192008-03-27 14:51:41 -0400694source "arch/arm/mach-orion5x/Kconfig"
Tzachi Perelstein585cf172007-10-23 15:14:41 -0400695
Saeed Bishara651c74c2008-06-22 22:45:06 +0200696source "arch/arm/mach-kirkwood/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700697
Ben Dooksa21765a2007-02-11 18:31:01 +0100698source "arch/arm/plat-s3c24xx/Kconfig"
Ben Dooksa08ab632008-10-21 14:06:39 +0100699source "arch/arm/plat-s3c64xx/Kconfig"
Ben Dooksd58153d2007-07-22 16:07:09 +0100700source "arch/arm/plat-s3c/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +0100701
702if ARCH_S3C2410
703source "arch/arm/mach-s3c2400/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700704source "arch/arm/mach-s3c2410/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +0100705source "arch/arm/mach-s3c2412/Kconfig"
706source "arch/arm/mach-s3c2440/Kconfig"
707source "arch/arm/mach-s3c2442/Kconfig"
Ben Dookse4d06e32007-02-16 12:12:31 +0100708source "arch/arm/mach-s3c2443/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +0100709endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700710
Ben Dooksa08ab632008-10-21 14:06:39 +0100711if ARCH_S3C64XX
712source "arch/arm/mach-s3c6400/Kconfig"
713source "arch/arm/mach-s3c6410/Kconfig"
714endif
715
dmitry pervushin7bd0f2f2009-04-27 10:35:04 +0100716source "arch/arm/plat-stmp3xxx/Kconfig"
717
Linus Torvalds1da177e2005-04-16 15:20:36 -0700718source "arch/arm/mach-lh7a40x/Kconfig"
719
Linus Torvalds1da177e2005-04-16 15:20:36 -0700720source "arch/arm/mach-h720x/Kconfig"
721
722source "arch/arm/mach-versatile/Kconfig"
723
Bellido Nicolas038c5b62005-06-20 18:51:05 +0100724source "arch/arm/mach-aaec2000/Kconfig"
725
Catalin Marinas8ad68bb2005-10-31 14:25:02 +0000726source "arch/arm/mach-realview/Kconfig"
727
Andrew Victor9d041262007-02-05 11:42:07 +0100728source "arch/arm/mach-at91/Kconfig"
SAN People73a59c12006-01-09 17:05:41 +0000729
Quinn Jensen52c543f2007-07-09 22:06:53 +0100730source "arch/arm/plat-mxc/Kconfig"
731
Alessandro Rubini28ad94e2009-07-02 19:06:47 +0100732source "arch/arm/mach-nomadik/Kconfig"
733
Sascha Hauerbb6d8c82006-06-19 15:27:53 +0100734source "arch/arm/mach-netx/Kconfig"
735
Uwe Kleine-König9918cda2007-02-16 15:36:55 +0100736source "arch/arm/mach-ns9xxx/Kconfig"
737
Kevin Hilman7c6337e2007-04-30 19:37:19 +0100738source "arch/arm/mach-davinci/Kconfig"
739
Andrew Victorc53c9cf2007-05-11 21:01:28 +0100740source "arch/arm/mach-ks8695/Kconfig"
741
Brian Swetland9e73c842007-11-26 04:12:13 -0800742source "arch/arm/mach-msm/Kconfig"
743
Linus Walleijd98aac72009-04-27 10:21:46 +0100744source "arch/arm/mach-u300/Kconfig"
745
wanzongshun7ec80dd2008-12-03 03:55:38 +0100746source "arch/arm/mach-w90x900/Kconfig"
747
Linus Torvalds1da177e2005-04-16 15:20:36 -0700748# Definitions to make life easier
749config ARCH_ACORN
750 bool
751
Lennert Buytenhek7ae1f7e2006-09-18 23:12:53 +0100752config PLAT_IOP
753 bool
754
Lennert Buytenhek69b02f62008-03-27 14:51:39 -0400755config PLAT_ORION
756 bool
757
Eric Miaobd5ce432009-01-20 12:06:01 +0800758config PLAT_PXA
759 bool
760
Linus Torvalds1da177e2005-04-16 15:20:36 -0700761source arch/arm/mm/Kconfig
762
Lennert Buytenhekafe4b252006-12-03 18:51:14 +0100763config IWMMXT
764 bool "Enable iWMMXt support"
Eric Miao40305a52009-02-26 09:34:35 +0800765 depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK
766 default y if PXA27x || PXA3xx || ARCH_MMP
Lennert Buytenhekafe4b252006-12-03 18:51:14 +0100767 help
768 Enable support for iWMMXt context switching at run time if
769 running on a CPU that supports it.
770
Linus Torvalds1da177e2005-04-16 15:20:36 -0700771# bool 'Use XScale PMU as timer source' CONFIG_XSCALE_PMU_TIMER
772config XSCALE_PMU
773 bool
774 depends on CPU_XSCALE && !XSCALE_PMU_TIMER
775 default y
776
Hyok S. Choi3b93e7b2006-06-22 11:48:56 +0100777if !MMU
778source "arch/arm/Kconfig-nommu"
779endif
780
Catalin Marinas9cba3cc2009-04-30 17:06:03 +0100781config ARM_ERRATA_411920
782 bool "ARM errata: Invalidation of the Instruction Cache operation can fail"
783 depends on CPU_V6 && !SMP
784 help
785 Invalidation of the Instruction Cache operation can
786 fail. This erratum is present in 1136 (before r1p4), 1156 and 1176.
787 It does not affect the MPCore. This option enables the ARM Ltd.
788 recommended workaround.
789
Catalin Marinas7ce236f2009-04-30 17:06:09 +0100790config ARM_ERRATA_430973
791 bool "ARM errata: Stale prediction on replaced interworking branch"
792 depends on CPU_V7
793 help
794 This option enables the workaround for the 430973 Cortex-A8
795 (r1p0..r1p2) erratum. If a code sequence containing an ARM/Thumb
796 interworking branch is replaced with another code sequence at the
797 same virtual address, whether due to self-modifying code or virtual
798 to physical address re-mapping, Cortex-A8 does not recover from the
799 stale interworking branch prediction. This results in Cortex-A8
800 executing the new code sequence in the incorrect ARM or Thumb state.
801 The workaround enables the BTB/BTAC operations by setting ACTLR.IBE
802 and also flushes the branch target cache at every context switch.
803 Note that setting specific bits in the ACTLR register may not be
804 available in non-secure mode.
805
Catalin Marinas855c5512009-04-30 17:06:15 +0100806config ARM_ERRATA_458693
807 bool "ARM errata: Processor deadlock when a false hazard is created"
808 depends on CPU_V7
809 help
810 This option enables the workaround for the 458693 Cortex-A8 (r2p0)
811 erratum. For very specific sequences of memory operations, it is
812 possible for a hazard condition intended for a cache line to instead
813 be incorrectly associated with a different cache line. This false
814 hazard might then cause a processor deadlock. The workaround enables
815 the L1 caching of the NEON accesses and disables the PLD instruction
816 in the ACTLR register. Note that setting specific bits in the ACTLR
817 register may not be available in non-secure mode.
818
Catalin Marinas0516e462009-04-30 17:06:20 +0100819config ARM_ERRATA_460075
820 bool "ARM errata: Data written to the L2 cache can be overwritten with stale data"
821 depends on CPU_V7
822 help
823 This option enables the workaround for the 460075 Cortex-A8 (r2p0)
824 erratum. Any asynchronous access to the L2 cache may encounter a
825 situation in which recent store transactions to the L2 cache are lost
826 and overwritten with stale memory contents from external memory. The
827 workaround disables the write-allocate mode for the L2 cache via the
828 ACTLR register. Note that setting specific bits in the ACTLR register
829 may not be available in non-secure mode.
830
Linus Torvalds1da177e2005-04-16 15:20:36 -0700831endmenu
832
833source "arch/arm/common/Kconfig"
834
835config FORCE_MAX_ZONEORDER
836 int
837 depends on SA1111
838 default "9"
839
840menu "Bus support"
841
842config ARM_AMBA
843 bool
844
845config ISA
846 bool
Linus Torvalds1da177e2005-04-16 15:20:36 -0700847 help
848 Find out whether you have ISA slots on your motherboard. ISA is the
849 name of a bus system, i.e. the way the CPU talks to the other stuff
850 inside your box. Other bus systems are PCI, EISA, MicroChannel
851 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
852 newer boards don't support it. If you have ISA, say Y, otherwise N.
853
Russell King065909b2006-01-04 15:44:16 +0000854# Select ISA DMA controller support
Linus Torvalds1da177e2005-04-16 15:20:36 -0700855config ISA_DMA
856 bool
Russell King065909b2006-01-04 15:44:16 +0000857 select ISA_DMA_API
Linus Torvalds1da177e2005-04-16 15:20:36 -0700858
Russell King065909b2006-01-04 15:44:16 +0000859# Select ISA DMA interface
Al Viro5cae8412005-05-04 05:39:22 +0100860config ISA_DMA_API
861 bool
Al Viro5cae8412005-05-04 05:39:22 +0100862
Linus Torvalds1da177e2005-04-16 15:20:36 -0700863config PCI
Mike Rapoporta0113a92007-11-25 08:55:34 +0100864 bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB || ARCH_IXP4XX || ARCH_KS8695 || MACH_ARMCORE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700865 help
866 Find out whether you have a PCI motherboard. PCI is the name of a
867 bus system, i.e. the way the CPU talks to the other stuff inside
868 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
869 VESA. If you have PCI, say Y, otherwise N.
870
Matthew Wilcox36e23592007-07-10 10:54:40 -0600871config PCI_SYSCALL
872 def_bool PCI
873
Linus Torvalds1da177e2005-04-16 15:20:36 -0700874# Select the host bridge type
875config PCI_HOST_VIA82C505
876 bool
877 depends on PCI && ARCH_SHARK
878 default y
879
Mike Rapoporta0113a92007-11-25 08:55:34 +0100880config PCI_HOST_ITE8152
881 bool
882 depends on PCI && MACH_ARMCORE
883 default y
884 select DMABOUNCE
885
Linus Torvalds1da177e2005-04-16 15:20:36 -0700886source "drivers/pci/Kconfig"
887
888source "drivers/pcmcia/Kconfig"
889
890endmenu
891
892menu "Kernel Features"
893
Kevin Hilman0567a0c2007-03-13 20:29:24 +0100894source "kernel/time/Kconfig"
895
Linus Torvalds1da177e2005-04-16 15:20:36 -0700896config SMP
897 bool "Symmetric Multi-Processing (EXPERIMENTAL)"
Russell King42578c82009-06-11 15:35:00 +0100898 depends on EXPERIMENTAL && (REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP ||\
899 MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4)
Russell Kingbc282482009-05-17 18:58:34 +0100900 depends on GENERIC_CLOCKEVENTS
Jens Axboef6dd9fa2008-06-10 20:48:30 +0200901 select USE_GENERIC_SMP_HELPERS
Santosh Shilimkar934f8be2009-04-28 20:52:05 +0530902 select HAVE_ARM_SCU if (ARCH_REALVIEW || ARCH_OMAP4)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700903 help
904 This enables support for systems with more than one CPU. If you have
905 a system with only one CPU, like most personal computers, say N. If
906 you have a system with more than one CPU, say Y.
907
908 If you say N here, the kernel will run on single and multiprocessor
909 machines, but will use only one CPU of a multiprocessor machine. If
910 you say Y here, the kernel will run on many, but not all, single
911 processor machines. On a single processor machine, the kernel will
912 run faster if you say N here.
913
Adrian Bunk03502fa2008-02-03 15:50:21 +0200914 See also <file:Documentation/i386/IO-APIC.txt>,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700915 <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
916 <http://www.linuxdoc.org/docs.html#howto>.
917
918 If you don't know what to do here, say N.
919
Russell Kinga8cbcd92009-05-16 11:51:14 +0100920config HAVE_ARM_SCU
921 bool
922 depends on SMP
923 help
924 This option enables support for the ARM system coherency unit
925
Russell Kingf32f4ce2009-05-16 12:14:21 +0100926config HAVE_ARM_TWD
927 bool
928 depends on SMP
929 help
930 This options enables support for the ARM timer and watchdog unit
931
Lennert Buytenhek8d5796d2008-08-25 21:03:32 +0100932choice
933 prompt "Memory split"
934 default VMSPLIT_3G
935 help
936 Select the desired split between kernel and user memory.
937
938 If you are not absolutely sure what you are doing, leave this
939 option alone!
940
941 config VMSPLIT_3G
942 bool "3G/1G user/kernel split"
943 config VMSPLIT_2G
944 bool "2G/2G user/kernel split"
945 config VMSPLIT_1G
946 bool "1G/3G user/kernel split"
947endchoice
948
949config PAGE_OFFSET
950 hex
951 default 0x40000000 if VMSPLIT_1G
952 default 0x80000000 if VMSPLIT_2G
953 default 0xC0000000
954
Linus Torvalds1da177e2005-04-16 15:20:36 -0700955config NR_CPUS
956 int "Maximum number of CPUs (2-32)"
957 range 2 32
958 depends on SMP
959 default "4"
960
Russell Kinga054a812005-11-02 22:24:33 +0000961config HOTPLUG_CPU
962 bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
963 depends on SMP && HOTPLUG && EXPERIMENTAL
964 help
965 Say Y here to experiment with turning CPUs off and on. CPUs
966 can be controlled through /sys/devices/system/cpu.
967
Russell King37ee16a2005-11-08 19:08:05 +0000968config LOCAL_TIMERS
969 bool "Use local timer interrupts"
Russell King42578c82009-06-11 15:35:00 +0100970 depends on SMP && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || \
971 REALVIEW_EB_A9MP || MACH_REALVIEW_PBX || ARCH_OMAP4)
Russell King37ee16a2005-11-08 19:08:05 +0000972 default y
Santosh Shilimkar934f8be2009-04-28 20:52:05 +0530973 select HAVE_ARM_TWD if (ARCH_REALVIEW || ARCH_OMAP4)
Russell King37ee16a2005-11-08 19:08:05 +0000974 help
975 Enable support for local timers on SMP platforms, rather then the
976 legacy IPI broadcast method. Local timers allows the system
977 accounting to be spread across the timer interval, preventing a
978 "thundering herd" at every timer tick.
979
Linus Torvalds1da177e2005-04-16 15:20:36 -0700980config PREEMPT
981 bool "Preemptible Kernel (EXPERIMENTAL)"
982 depends on EXPERIMENTAL
983 help
984 This option reduces the latency of the kernel when reacting to
985 real-time or interactive events by allowing a low priority process to
986 be preempted even if it is in kernel mode executing a system call.
987 This allows applications to run more reliably even when the system is
988 under load.
989
990 Say Y here if you are building a kernel for a desktop, embedded
991 or real-time system. Say N if you are unsure.
992
Russell Kingf8065812006-03-02 22:41:59 +0000993config HZ
994 int
995 default 128 if ARCH_L7200
996 default 200 if ARCH_EBSA110 || ARCH_S3C2410
Russell Kingbfe65702006-03-04 11:01:53 +0000997 default OMAP_32K_TIMER_HZ if ARCH_OMAP && OMAP_32K_TIMER
David Brownell5248c652007-11-12 17:59:10 +0100998 default AT91_TIMER_HZ if ARCH_AT91
Russell Kingf8065812006-03-02 22:41:59 +0000999 default 100
1000
Nicolas Pitre704bdda2006-01-14 16:33:50 +00001001config AEABI
1002 bool "Use the ARM EABI to compile the kernel"
1003 help
1004 This option allows for the kernel to be compiled using the latest
1005 ARM ABI (aka EABI). This is only useful if you are using a user
1006 space environment that is also compiled with EABI.
1007
1008 Since there are major incompatibilities between the legacy ABI and
1009 EABI, especially with regard to structure member alignment, this
1010 option also changes the kernel syscall calling convention to
1011 disambiguate both ABIs and allow for backward compatibility support
1012 (selected with CONFIG_OABI_COMPAT).
1013
1014 To use this you need GCC version 4.0.0 or later.
1015
Nicolas Pitre6c90c872006-01-14 16:37:15 +00001016config OABI_COMPAT
Russell Kinga73a3ff2006-02-08 21:09:55 +00001017 bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)"
Nicolas Pitre61c484d2006-02-08 21:09:08 +00001018 depends on AEABI && EXPERIMENTAL
Nicolas Pitre6c90c872006-01-14 16:37:15 +00001019 default y
1020 help
1021 This option preserves the old syscall interface along with the
1022 new (ARM EABI) one. It also provides a compatibility layer to
1023 intercept syscalls that have structure arguments which layout
1024 in memory differs between the legacy ABI and the new ARM EABI
1025 (only for non "thumb" binaries). This option adds a tiny
1026 overhead to all syscalls and produces a slightly larger kernel.
1027 If you know you'll be using only pure EABI user space then you
1028 can say N here. If this option is not selected and you attempt
1029 to execute a legacy ABI binary then the result will be
1030 UNPREDICTABLE (in fact it can be predicted that it won't work
1031 at all). If in doubt say Y.
1032
Mel Gormaneb335752009-05-13 17:34:48 +01001033config ARCH_HAS_HOLES_MEMORYMODEL
Mel Gormane80d6a22008-08-14 11:10:14 +01001034 bool
Mel Gormane80d6a22008-08-14 11:10:14 +01001035
Russell King07a2f732008-10-01 21:39:58 +01001036# Discontigmem is deprecated
Dave Hansen3f22ab22005-06-23 00:07:43 -07001037config ARCH_DISCONTIGMEM_ENABLE
Linus Torvalds1da177e2005-04-16 15:20:36 -07001038 bool
Linus Torvalds1da177e2005-04-16 15:20:36 -07001039
Russell King05944d72006-11-30 20:43:51 +00001040config ARCH_SPARSEMEM_ENABLE
1041 bool
1042
Russell King07a2f732008-10-01 21:39:58 +01001043config ARCH_SPARSEMEM_DEFAULT
1044 def_bool ARCH_SPARSEMEM_ENABLE
1045
Russell King05944d72006-11-30 20:43:51 +00001046config ARCH_SELECT_MEMORY_MODEL
Russell King07a2f732008-10-01 21:39:58 +01001047 def_bool ARCH_DISCONTIGMEM_ENABLE && ARCH_SPARSEMEM_ENABLE
Russell King05944d72006-11-30 20:43:51 +00001048
Yasunori Gotoc80d79d2006-04-10 22:53:53 -07001049config NODES_SHIFT
1050 int
1051 default "4" if ARCH_LH7A40X
1052 default "2"
1053 depends on NEED_MULTIPLE_NODES
1054
Nicolas Pitre053a96c2008-09-19 00:36:12 -04001055config HIGHMEM
1056 bool "High Memory Support (EXPERIMENTAL)"
1057 depends on MMU && EXPERIMENTAL
1058 help
1059 The address space of ARM processors is only 4 Gigabytes large
1060 and it has to accommodate user address space, kernel address
1061 space as well as some memory mapped IO. That means that, if you
1062 have a large amount of physical memory and/or IO, not all of the
1063 memory can be "permanently mapped" by the kernel. The physical
1064 memory that is not permanently mapped is called "high memory".
1065
1066 Depending on the selected kernel/user memory split, minimum
1067 vmalloc space and actual amount of RAM, you may not need this
1068 option which should result in a slightly faster kernel.
1069
1070 If unsure, say n.
1071
Dave Hansen3f22ab22005-06-23 00:07:43 -07001072source "mm/Kconfig"
1073
Linus Torvalds1da177e2005-04-16 15:20:36 -07001074config LEDS
1075 bool "Timer and CPU usage LEDs"
Adrian Bunke055d5bf2008-04-22 01:43:27 +01001076 depends on ARCH_CDB89712 || ARCH_EBSA110 || \
Sascha Hauer8c8fdbc2009-04-01 12:40:15 +02001077 ARCH_EBSA285 || ARCH_INTEGRATOR || \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001078 ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_NETWINDER || \
1079 ARCH_OMAP || ARCH_P720T || ARCH_PXA_IDP || \
SAN People73a59c12006-01-09 17:05:41 +00001080 ARCH_SA1100 || ARCH_SHARK || ARCH_VERSATILE || \
Jürgen Schindele25329672008-09-16 21:36:30 +01001081 ARCH_AT91 || ARCH_DAVINCI || \
Colin Tuckleyff3042f2009-05-30 13:56:13 +01001082 ARCH_KS8695 || MACH_RD88F5182 || ARCH_REALVIEW
Linus Torvalds1da177e2005-04-16 15:20:36 -07001083 help
1084 If you say Y here, the LEDs on your machine will be used
1085 to provide useful information about your current system status.
1086
1087 If you are compiling a kernel for a NetWinder or EBSA-285, you will
1088 be able to select which LEDs are active using the options below. If
1089 you are compiling a kernel for the EBSA-110 or the LART however, the
1090 red LED will simply flash regularly to indicate that the system is
1091 still functional. It is safe to say Y here if you have a CATS
1092 system, but the driver will do nothing.
1093
1094config LEDS_TIMER
1095 bool "Timer LED" if (!ARCH_CDB89712 && !ARCH_OMAP) || \
David Brownelleebdf7d72007-04-02 12:48:10 -07001096 OMAP_OSK_MISTRAL || MACH_OMAP_H2 \
1097 || MACH_OMAP_PERSEUS2
Linus Torvalds1da177e2005-04-16 15:20:36 -07001098 depends on LEDS
Kevin Hilman0567a0c2007-03-13 20:29:24 +01001099 depends on !GENERIC_CLOCKEVENTS
Linus Torvalds1da177e2005-04-16 15:20:36 -07001100 default y if ARCH_EBSA110
1101 help
1102 If you say Y here, one of the system LEDs (the green one on the
1103 NetWinder, the amber one on the EBSA285, or the red one on the LART)
1104 will flash regularly to indicate that the system is still
1105 operational. This is mainly useful to kernel hackers who are
1106 debugging unstable kernels.
1107
1108 The LART uses the same LED for both Timer LED and CPU usage LED
1109 functions. You may choose to use both, but the Timer LED function
1110 will overrule the CPU usage LED.
1111
1112config LEDS_CPU
1113 bool "CPU usage LED" if (!ARCH_CDB89712 && !ARCH_EBSA110 && \
David Brownelleebdf7d72007-04-02 12:48:10 -07001114 !ARCH_OMAP) \
1115 || OMAP_OSK_MISTRAL || MACH_OMAP_H2 \
1116 || MACH_OMAP_PERSEUS2
Linus Torvalds1da177e2005-04-16 15:20:36 -07001117 depends on LEDS
1118 help
1119 If you say Y here, the red LED will be used to give a good real
1120 time indication of CPU usage, by lighting whenever the idle task
1121 is not currently executing.
1122
1123 The LART uses the same LED for both Timer LED and CPU usage LED
1124 functions. You may choose to use both, but the Timer LED function
1125 will overrule the CPU usage LED.
1126
1127config ALIGNMENT_TRAP
1128 bool
Hyok S. Choif12d0d72006-09-26 17:36:37 +09001129 depends on CPU_CP15_MMU
Linus Torvalds1da177e2005-04-16 15:20:36 -07001130 default y if !ARCH_EBSA110
1131 help
Matt LaPlante84eb8d02006-10-03 22:53:09 +02001132 ARM processors cannot fetch/store information which is not
Linus Torvalds1da177e2005-04-16 15:20:36 -07001133 naturally aligned on the bus, i.e., a 4 byte fetch must start at an
1134 address divisible by 4. On 32-bit ARM processors, these non-aligned
1135 fetch/store instructions will be emulated in software if you say
1136 here, which has a severe performance impact. This is necessary for
1137 correct operation of some network protocols. With an IP-only
1138 configuration it is safe to say N, otherwise say Y.
1139
Lennert Buytenhek39ec58f2009-03-09 14:30:09 -04001140config UACCESS_WITH_MEMCPY
1141 bool "Use kernel mem{cpy,set}() for {copy_to,clear}_user() (EXPERIMENTAL)"
1142 depends on MMU && EXPERIMENTAL
1143 default y if CPU_FEROCEON
1144 help
1145 Implement faster copy_to_user and clear_user methods for CPU
1146 cores where a 8-word STM instruction give significantly higher
1147 memory write throughput than a sequence of individual 32bit stores.
1148
1149 A possible side effect is a slight increase in scheduling latency
1150 between threads sharing the same address space if they invoke
1151 such copy operations with large buffers.
1152
1153 However, if the CPU data cache is using a write-allocate mode,
1154 this option is unlikely to provide any performance gain.
1155
Linus Torvalds1da177e2005-04-16 15:20:36 -07001156endmenu
1157
1158menu "Boot options"
1159
1160# Compressed boot loader in ROM. Yes, we really want to ask about
1161# TEXT and BSS so we preserve their values in the config files.
1162config ZBOOT_ROM_TEXT
1163 hex "Compressed ROM boot loader base address"
1164 default "0"
1165 help
1166 The physical address at which the ROM-able zImage is to be
1167 placed in the target. Platforms which normally make use of
1168 ROM-able zImage formats normally set this to a suitable
1169 value in their defconfig file.
1170
1171 If ZBOOT_ROM is not enabled, this has no effect.
1172
1173config ZBOOT_ROM_BSS
1174 hex "Compressed ROM boot loader BSS address"
1175 default "0"
1176 help
Dan Fandrichf8c440b2006-09-20 23:28:51 +01001177 The base address of an area of read/write memory in the target
1178 for the ROM-able zImage which must be available while the
1179 decompressor is running. It must be large enough to hold the
1180 entire decompressed kernel plus an additional 128 KiB.
1181 Platforms which normally make use of ROM-able zImage formats
1182 normally set this to a suitable value in their defconfig file.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001183
1184 If ZBOOT_ROM is not enabled, this has no effect.
1185
1186config ZBOOT_ROM
1187 bool "Compressed boot loader in ROM/flash"
1188 depends on ZBOOT_ROM_TEXT != ZBOOT_ROM_BSS
1189 help
1190 Say Y here if you intend to execute your compressed kernel image
1191 (zImage) directly from ROM or flash. If unsure, say N.
1192
1193config CMDLINE
1194 string "Default kernel command string"
1195 default ""
1196 help
1197 On some architectures (EBSA110 and CATS), there is currently no way
1198 for the boot loader to pass arguments to the kernel. For these
1199 architectures, you should supply some command-line options at build
1200 time by entering them here. As a minimum, you should specify the
1201 memory size and the root device (e.g., mem=64M root=/dev/nfs).
1202
1203config XIP_KERNEL
1204 bool "Kernel Execute-In-Place from ROM"
1205 depends on !ZBOOT_ROM
1206 help
1207 Execute-In-Place allows the kernel to run from non-volatile storage
1208 directly addressable by the CPU, such as NOR flash. This saves RAM
1209 space since the text section of the kernel is not loaded from flash
1210 to RAM. Read-write sections, such as the data section and stack,
1211 are still copied to RAM. The XIP kernel is not compressed since
1212 it has to run directly from flash, so it will take more space to
1213 store it. The flash address used to link the kernel object files,
1214 and for storing it, is configuration dependent. Therefore, if you
1215 say Y here, you must know the proper physical address where to
1216 store the kernel image depending on your own flash memory usage.
1217
1218 Also note that the make target becomes "make xipImage" rather than
1219 "make zImage" or "make Image". The final kernel binary to put in
1220 ROM memory will be arch/arm/boot/xipImage.
1221
1222 If unsure, say N.
1223
1224config XIP_PHYS_ADDR
1225 hex "XIP Kernel Physical Location"
1226 depends on XIP_KERNEL
1227 default "0x00080000"
1228 help
1229 This is the physical address in your flash memory the kernel will
1230 be linked for and stored to. This address is dependent on your
1231 own flash usage.
1232
Richard Purdiec587e4a2007-02-06 21:29:00 +01001233config KEXEC
1234 bool "Kexec system call (EXPERIMENTAL)"
1235 depends on EXPERIMENTAL
1236 help
1237 kexec is a system call that implements the ability to shutdown your
1238 current kernel, and to start another kernel. It is like a reboot
Matt LaPlante01dd2fb2007-10-20 01:34:40 +02001239 but it is independent of the system firmware. And like a reboot
Richard Purdiec587e4a2007-02-06 21:29:00 +01001240 you can start any kernel with it, not just Linux.
1241
1242 It is an ongoing process to be certain the hardware in a machine
1243 is properly shutdown, so do not be surprised if this code does not
1244 initially work for you. It may help to enable device hotplugging
1245 support.
1246
Richard Purdie4cd9d6f2008-01-02 00:56:46 +01001247config ATAGS_PROC
1248 bool "Export atags in procfs"
Uli Luckasb98d7292008-02-22 16:45:18 +01001249 depends on KEXEC
1250 default y
Richard Purdie4cd9d6f2008-01-02 00:56:46 +01001251 help
1252 Should the atags used to boot the kernel be exported in an "atags"
1253 file in procfs. Useful with kexec.
1254
Linus Torvalds1da177e2005-04-16 15:20:36 -07001255endmenu
1256
Russell Kingac9d7ef2008-08-18 17:26:00 +01001257menu "CPU Power Management"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001258
Mark Brownb3748dd2009-06-15 11:23:20 +01001259if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP || ARCH_PXA || ARCH_S3C64XX)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001260
1261source "drivers/cpufreq/Kconfig"
1262
1263config CPU_FREQ_SA1100
1264 bool
Dmitry Artamonow7bc35b52009-02-20 10:16:01 +01001265 depends on CPU_FREQ && (SA1100_H3100 || SA1100_H3600 || SA1100_LART || SA1100_PLEB || SA1100_BADGE4 || SA1100_HACKKIT)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001266 default y
1267
1268config CPU_FREQ_SA1110
1269 bool
1270 depends on CPU_FREQ && (SA1100_ASSABET || SA1100_CERF || SA1100_PT_SYSTEM3)
1271 default y
1272
1273config CPU_FREQ_INTEGRATOR
1274 tristate "CPUfreq driver for ARM Integrator CPUs"
1275 depends on ARCH_INTEGRATOR && CPU_FREQ
1276 default y
1277 help
1278 This enables the CPUfreq driver for ARM Integrator CPUs.
1279
1280 For details, take a look at <file:Documentation/cpu-freq>.
1281
1282 If in doubt, say Y.
1283
Russell King9e2697f2007-12-14 13:30:14 +00001284config CPU_FREQ_PXA
1285 bool
1286 depends on CPU_FREQ && ARCH_PXA && PXA25x
1287 default y
1288 select CPU_FREQ_DEFAULT_GOV_USERSPACE
1289
Mark Brownb3748dd2009-06-15 11:23:20 +01001290config CPU_FREQ_S3C64XX
1291 bool "CPUfreq support for Samsung S3C64XX CPUs"
1292 depends on CPU_FREQ && CPU_S3C6410
1293
Linus Torvalds1da177e2005-04-16 15:20:36 -07001294endif
1295
Russell Kingac9d7ef2008-08-18 17:26:00 +01001296source "drivers/cpuidle/Kconfig"
1297
1298endmenu
1299
Linus Torvalds1da177e2005-04-16 15:20:36 -07001300menu "Floating point emulation"
1301
1302comment "At least one emulation must be selected"
1303
1304config FPE_NWFPE
1305 bool "NWFPE math emulation"
Nicolas Pitre8993a442006-01-14 16:36:50 +00001306 depends on !AEABI || OABI_COMPAT
Linus Torvalds1da177e2005-04-16 15:20:36 -07001307 ---help---
1308 Say Y to include the NWFPE floating point emulator in the kernel.
1309 This is necessary to run most binaries. Linux does not currently
1310 support floating point hardware so you need to say Y here even if
1311 your machine has an FPA or floating point co-processor podule.
1312
1313 You may say N here if you are going to load the Acorn FPEmulator
1314 early in the bootup.
1315
1316config FPE_NWFPE_XP
1317 bool "Support extended precision"
Lennert Buytenhekbedf1422005-11-07 21:12:08 +00001318 depends on FPE_NWFPE
Linus Torvalds1da177e2005-04-16 15:20:36 -07001319 help
1320 Say Y to include 80-bit support in the kernel floating-point
1321 emulator. Otherwise, only 32 and 64-bit support is compiled in.
1322 Note that gcc does not generate 80-bit operations by default,
1323 so in most cases this option only enlarges the size of the
1324 floating point emulator without any good reason.
1325
1326 You almost surely want to say N here.
1327
1328config FPE_FASTFPE
1329 bool "FastFPE math emulation (EXPERIMENTAL)"
Nicolas Pitre8993a442006-01-14 16:36:50 +00001330 depends on (!AEABI || OABI_COMPAT) && !CPU_32v3 && EXPERIMENTAL
Linus Torvalds1da177e2005-04-16 15:20:36 -07001331 ---help---
1332 Say Y here to include the FAST floating point emulator in the kernel.
1333 This is an experimental much faster emulator which now also has full
1334 precision for the mantissa. It does not support any exceptions.
1335 It is very simple, and approximately 3-6 times faster than NWFPE.
1336
1337 It should be sufficient for most programs. It may be not suitable
1338 for scientific calculations, but you have to check this for yourself.
1339 If you do not feel you need a faster FP emulation you should better
1340 choose NWFPE.
1341
1342config VFP
1343 bool "VFP-format floating point maths"
Russell Kingc00d4ff2008-01-28 13:21:30 +00001344 depends on CPU_V6 || CPU_ARM926T || CPU_V7 || CPU_FEROCEON
Linus Torvalds1da177e2005-04-16 15:20:36 -07001345 help
1346 Say Y to include VFP support code in the kernel. This is needed
1347 if your hardware includes a VFP unit.
1348
1349 Please see <file:Documentation/arm/VFP/release-notes.txt> for
1350 release notes and additional status information.
1351
1352 Say N if your target does not have VFP hardware.
1353
Catalin Marinas25ebee02007-09-25 15:22:24 +01001354config VFPv3
1355 bool
1356 depends on VFP
1357 default y if CPU_V7
1358
Catalin Marinasb5872db2008-01-10 19:16:17 +01001359config NEON
1360 bool "Advanced SIMD (NEON) Extension support"
1361 depends on VFPv3 && CPU_V7
1362 help
1363 Say Y to include support code for NEON, the ARMv7 Advanced SIMD
1364 Extension.
1365
Linus Torvalds1da177e2005-04-16 15:20:36 -07001366endmenu
1367
1368menu "Userspace binary formats"
1369
1370source "fs/Kconfig.binfmt"
1371
1372config ARTHUR
1373 tristate "RISC OS personality"
Nicolas Pitre704bdda2006-01-14 16:33:50 +00001374 depends on !AEABI
Linus Torvalds1da177e2005-04-16 15:20:36 -07001375 help
1376 Say Y here to include the kernel code necessary if you want to run
1377 Acorn RISC OS/Arthur binaries under Linux. This code is still very
1378 experimental; if this sounds frightening, say N and sleep in peace.
1379 You can also say M here to compile this support as a module (which
1380 will be called arthur).
1381
1382endmenu
1383
1384menu "Power management options"
1385
Russell Kingeceab4a2005-11-15 11:31:41 +00001386source "kernel/power/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001387
Johannes Bergf4cb5702007-12-08 02:14:00 +01001388config ARCH_SUSPEND_POSSIBLE
1389 def_bool y
1390
Linus Torvalds1da177e2005-04-16 15:20:36 -07001391endmenu
1392
Sam Ravnborgd5950b42005-07-11 21:03:49 -07001393source "net/Kconfig"
1394
Linus Torvalds1da177e2005-04-16 15:20:36 -07001395menu "Device Drivers"
1396
1397source "drivers/base/Kconfig"
1398
Pavel Machekc35bf4a2005-11-12 20:25:25 +00001399source "drivers/connector/Kconfig"
1400
Hyok S. Choif12d0d72006-09-26 17:36:37 +09001401if ALIGNMENT_TRAP || !CPU_CP15_MMU
Linus Torvalds1da177e2005-04-16 15:20:36 -07001402source "drivers/mtd/Kconfig"
1403endif
1404
1405source "drivers/parport/Kconfig"
1406
1407source "drivers/pnp/Kconfig"
1408
1409source "drivers/block/Kconfig"
1410
Russell King58273e52007-10-12 22:24:09 +01001411# misc before ide - BLK_DEV_SGIIOC4 depends on SGI_IOC4
1412
1413source "drivers/misc/Kconfig"
1414
Linus Torvalds1da177e2005-04-16 15:20:36 -07001415source "drivers/ide/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001416
1417source "drivers/scsi/Kconfig"
1418
Martin Michlmayreb370f02006-11-17 00:14:35 +01001419source "drivers/ata/Kconfig"
1420
Linus Torvalds1da177e2005-04-16 15:20:36 -07001421source "drivers/md/Kconfig"
1422
1423source "drivers/message/fusion/Kconfig"
1424
1425source "drivers/ieee1394/Kconfig"
1426
1427source "drivers/message/i2o/Kconfig"
1428
Sam Ravnborgd5950b42005-07-11 21:03:49 -07001429source "drivers/net/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001430
1431source "drivers/isdn/Kconfig"
1432
1433# input before char - char/joystick depends on it. As does USB.
1434
1435source "drivers/input/Kconfig"
1436
1437source "drivers/char/Kconfig"
1438
1439source "drivers/i2c/Kconfig"
1440
David Brownell8ae12a02006-01-08 13:34:19 -08001441source "drivers/spi/Kconfig"
1442
David Brownella9c5fff2008-02-04 22:28:17 -08001443source "drivers/gpio/Kconfig"
1444
Alessandro Zummo04916c02006-03-10 22:30:01 +00001445source "drivers/w1/Kconfig"
1446
Russell King58273e52007-10-12 22:24:09 +01001447source "drivers/power/Kconfig"
1448
Jean Delvaread2f9312005-07-02 18:15:49 +02001449source "drivers/hwmon/Kconfig"
1450
Russell Kingac9d7ef2008-08-18 17:26:00 +01001451source "drivers/thermal/Kconfig"
1452
Russell King70dfa3f2007-11-07 14:13:35 +00001453source "drivers/watchdog/Kconfig"
1454
Russell King58273e52007-10-12 22:24:09 +01001455source "drivers/ssb/Kconfig"
1456
Linus Torvalds1da177e2005-04-16 15:20:36 -07001457#source "drivers/l3/Kconfig"
1458
Russell Kinga4e137a2005-08-18 10:06:59 +01001459source "drivers/mfd/Kconfig"
1460
Linus Torvalds1da177e2005-04-16 15:20:36 -07001461source "drivers/media/Kconfig"
1462
1463source "drivers/video/Kconfig"
1464
1465source "sound/Kconfig"
1466
Sascha Hauerc2dade512006-12-12 10:32:42 +01001467source "drivers/hid/Kconfig"
1468
Linus Torvalds1da177e2005-04-16 15:20:36 -07001469source "drivers/usb/Kconfig"
1470
Greg Kroah-Hartman2f86c3e2008-09-17 16:34:11 +01001471source "drivers/uwb/Kconfig"
1472
Linus Torvalds1da177e2005-04-16 15:20:36 -07001473source "drivers/mmc/Kconfig"
1474
Russell Kingac9d7ef2008-08-18 17:26:00 +01001475source "drivers/memstick/Kconfig"
1476
1477source "drivers/accessibility/Kconfig"
1478
Russell King58273e52007-10-12 22:24:09 +01001479source "drivers/leds/Kconfig"
1480
Alessandro Zummo12b824f2006-03-27 01:16:35 -08001481source "drivers/rtc/Kconfig"
1482
Dan Williams58168152007-01-02 11:10:43 -07001483source "drivers/dma/Kconfig"
1484
Dan Williamsabf07b12008-01-18 23:26:10 +01001485source "drivers/dca/Kconfig"
1486
Russell Kingac9d7ef2008-08-18 17:26:00 +01001487source "drivers/auxdisplay/Kconfig"
1488
Liam Girdwoodba7e4762008-04-30 17:13:42 +01001489source "drivers/regulator/Kconfig"
1490
Hans-Jürgen Koch2dc034a2008-02-19 21:07:19 +01001491source "drivers/uio/Kconfig"
1492
F. Duncan M. Haldane6e38a2b2008-11-07 18:17:51 -05001493source "drivers/staging/Kconfig"
1494
Linus Torvalds1da177e2005-04-16 15:20:36 -07001495endmenu
1496
1497source "fs/Kconfig"
1498
Linus Torvalds1da177e2005-04-16 15:20:36 -07001499source "arch/arm/Kconfig.debug"
1500
1501source "security/Kconfig"
1502
1503source "crypto/Kconfig"
1504
1505source "lib/Kconfig"