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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
Alessandro Zummo12b824f2006-03-27 01:16:35 -080011 select RTC_LIB
Ralf Baechle75e71532007-02-09 17:08:58 +000012 select SYS_SUPPORTS_APM_EMULATION
Linus Torvalds1da177e2005-04-16 15:20:36 -070013 help
14 The ARM series is a line of low-power-consumption RISC chip designs
Martin Michlmayrf6c89652006-02-08 21:09:07 +000015 licensed by ARM Ltd and targeted at embedded applications and
Linus Torvalds1da177e2005-04-16 15:20:36 -070016 handhelds such as the Compaq IPAQ. ARM-based PCs are no longer
Martin Michlmayrf6c89652006-02-08 21:09:07 +000017 manufactured, but legacy ARM-based PC hardware remains popular in
Linus Torvalds1da177e2005-04-16 15:20:36 -070018 Europe. There is an ARM Linux project with a web page at
19 <http://www.arm.linux.org.uk/>.
20
Ralf Baechle75e71532007-02-09 17:08:58 +000021config SYS_SUPPORTS_APM_EMULATION
22 bool
23
David Brownell0a938b92007-03-05 00:30:18 -080024config GENERIC_GPIO
25 bool
26 default n
27
Kevin Hilman746140c2006-09-22 00:16:30 +010028config GENERIC_TIME
29 bool
30 default n
31
Kevin Hilman0567a0c2007-03-13 20:29:24 +010032config GENERIC_CLOCKEVENTS
33 bool
34 default n
35
Linus Torvalds1da177e2005-04-16 15:20:36 -070036config MMU
37 bool
38 default y
39
Al Viro5ea81762007-02-11 15:41:31 +000040config NO_IOPORT
41 bool
42 default n
43
Linus Torvalds1da177e2005-04-16 15:20:36 -070044config EISA
45 bool
46 ---help---
47 The Extended Industry Standard Architecture (EISA) bus was
48 developed as an open alternative to the IBM MicroChannel bus.
49
50 The EISA bus provided some of the features of the IBM MicroChannel
51 bus while maintaining backward compatibility with cards made for
52 the older ISA bus. The EISA bus saw limited use between 1988 and
53 1995 when it was made obsolete by the PCI bus.
54
55 Say Y here if you are building a kernel for an EISA-based machine.
56
57 Otherwise, say N.
58
59config SBUS
60 bool
61
62config MCA
63 bool
64 help
65 MicroChannel Architecture is found in some IBM PS/2 machines and
66 laptops. It is a bus system similar to PCI or ISA. See
67 <file:Documentation/mca.txt> (and especially the web page given
68 there) before attempting to build an MCA bus kernel.
69
Thomas Gleixner4a2581a2006-07-01 22:30:09 +010070config GENERIC_HARDIRQS
71 bool
72 default y
73
Russell Kingf16fb1e2007-04-28 09:59:37 +010074config STACKTRACE_SUPPORT
75 bool
76 default y
77
78config LOCKDEP_SUPPORT
79 bool
80 default y
81
Russell King7ad1bcb2006-08-27 12:07:02 +010082config TRACE_IRQFLAGS_SUPPORT
83 bool
84 default y
85
Thomas Gleixner4a2581a2006-07-01 22:30:09 +010086config HARDIRQS_SW_RESEND
87 bool
88 default y
89
90config GENERIC_IRQ_PROBE
91 bool
92 default y
93
Linus Torvalds1da177e2005-04-16 15:20:36 -070094config RWSEM_GENERIC_SPINLOCK
95 bool
96 default y
97
98config RWSEM_XCHGADD_ALGORITHM
99 bool
100
David Howellsf0d1b0b2006-12-08 02:37:49 -0800101config ARCH_HAS_ILOG2_U32
102 bool
103 default n
104
105config ARCH_HAS_ILOG2_U64
106 bool
107 default n
108
Akinobu Mitab89c3b12006-03-26 01:39:19 -0800109config GENERIC_HWEIGHT
110 bool
111 default y
112
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113config GENERIC_CALIBRATE_DELAY
114 bool
115 default y
116
viro@ZenIV.linux.org.uka08b6b72005-09-06 01:48:42 +0100117config ARCH_MAY_HAVE_PC_FDC
118 bool
119
Christoph Lameter5ac6da62007-02-10 01:43:14 -0800120config ZONE_DMA
121 bool
122 default y
123
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124config GENERIC_ISA_DMA
125 bool
126
Linus Torvalds1da177e2005-04-16 15:20:36 -0700127config FIQ
128 bool
129
Al Viro034d2f52005-12-19 16:27:59 -0500130config ARCH_MTD_XIP
131 bool
132
Hyok S. Choic760fc12006-03-27 15:18:50 +0100133config VECTORS_BASE
134 hex
Hyok S. Choi6afd6fa2006-09-28 21:46:34 +0900135 default 0xffff0000 if MMU || CPU_HIGH_VECTOR
Hyok S. Choic760fc12006-03-27 15:18:50 +0100136 default DRAM_BASE if REMAP_VECTORS_TO_RAM
137 default 0x00000000
138 help
139 The base address of exception vectors.
140
Linus Torvalds1da177e2005-04-16 15:20:36 -0700141source "init/Kconfig"
142
143menu "System Type"
144
145choice
146 prompt "ARM system type"
Catalin Marinas6a0e2432006-03-07 14:42:27 +0000147 default ARCH_VERSATILE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700148
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100149config ARCH_AAEC2000
150 bool "Agilent AAEC-2000 based"
151 select ARM_AMBA
152 help
153 This enables support for systems based on the Agilent AAEC-2000
154
155config ARCH_INTEGRATOR
156 bool "ARM Ltd. Integrator family"
157 select ARM_AMBA
158 select ICST525
159 help
160 Support for ARM's Integrator platform.
161
162config ARCH_REALVIEW
163 bool "ARM Ltd. RealView family"
164 select ARM_AMBA
165 select ICST307
166 help
167 This enables support for ARM Ltd RealView boards.
168
169config ARCH_VERSATILE
170 bool "ARM Ltd. Versatile family"
171 select ARM_AMBA
172 select ARM_VIC
173 select ICST307
Kevin Hilmanb49c87c2007-03-08 20:25:13 +0100174 select GENERIC_TIME
Kevin Hilman89df1272007-03-08 20:30:38 +0100175 select GENERIC_CLOCKEVENTS
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100176 help
177 This enables support for ARM Ltd Versatile board.
178
Andrew Victor8fc5ffa2006-06-29 16:06:33 +0100179config ARCH_AT91
180 bool "Atmel AT91"
David Brownell0a938b92007-03-05 00:30:18 -0800181 select GENERIC_GPIO
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100182 help
Andrew Victor2b3b3512008-01-24 15:10:39 +0100183 This enables support for systems based on the Atmel AT91RM9200,
184 AT91SAM9 and AT91CAP9 processors.
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100185
Linus Torvalds1da177e2005-04-16 15:20:36 -0700186config ARCH_CLPS7500
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100187 bool "Cirrus CL-PS7500FE"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188 select TIMER_ACORN
Russell Kingf7e68bb2005-05-05 14:49:01 +0100189 select ISA
Russell Kinge4169882007-02-26 21:07:30 +0000190 select NO_IOPORT
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000191 help
192 Support for the Cirrus Logic PS7500FE system-on-a-chip.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700193
194config ARCH_CLPS711X
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100195 bool "Cirrus Logic CLPS711x/EP721x-based"
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000196 help
197 Support for Cirrus Logic 711x/721x based boards.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700198
199config ARCH_CO285
200 bool "Co-EBSA285"
201 select FOOTBRIDGE
202 select FOOTBRIDGE_ADDIN
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000203 help
204 Support for Intel's EBSA285 companion chip.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700205
206config ARCH_EBSA110
207 bool "EBSA-110"
Russell Kingf7e68bb2005-05-05 14:49:01 +0100208 select ISA
Russell Kingc5eb2a22007-03-03 11:54:19 +0000209 select NO_IOPORT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700210 help
211 This is an evaluation board for the StrongARM processor available
Martin Michlmayrf6c89652006-02-08 21:09:07 +0000212 from Digital. It has limited hardware on-board, including an
Linus Torvalds1da177e2005-04-16 15:20:36 -0700213 Ethernet interface, two PCMCIA sockets, two serial ports and a
214 parallel port.
215
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000216config ARCH_EP93XX
217 bool "EP93xx-based"
218 select ARM_AMBA
219 select ARM_VIC
Herbert Valerio Riedel4e9f9fd2007-11-26 18:41:02 +0100220 select GENERIC_GPIO
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000221 help
222 This enables support for the Cirrus EP93xx series of CPUs.
223
Linus Torvalds1da177e2005-04-16 15:20:36 -0700224config ARCH_FOOTBRIDGE
225 bool "FootBridge"
226 select FOOTBRIDGE
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000227 help
228 Support for systems based on the DC21285 companion chip
229 ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700230
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100231config ARCH_NETX
232 bool "Hilscher NetX based"
233 select ARM_VIC
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000234 help
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100235 This enables support for systems based on the Hilscher NetX Soc
236
237config ARCH_H720X
238 bool "Hynix HMS720x-based"
239 select ISA_DMA_API
240 help
241 This enables support for systems based on the Hynix HMS720x
242
243config ARCH_IMX
244 bool "IMX"
Pavel Pisab3e6a502007-05-12 14:31:17 +0100245 select GENERIC_GPIO
Pavel Pisa89bba432007-05-13 17:37:33 +0100246 select GENERIC_TIME
247 select GENERIC_CLOCKEVENTS
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100248 help
249 Support for Motorola's i.MX family of processors (MX1, MXL).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700250
Russell King3b938be2007-05-12 11:25:44 +0100251config ARCH_IOP13XX
252 bool "IOP13xx-based"
253 depends on MMU
254 select PLAT_IOP
255 select PCI
256 select ARCH_SUPPORTS_MSI
257 help
258 Support for Intel's IOP13XX (XScale) family of processors.
259
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100260config ARCH_IOP32X
261 bool "IOP32x-based"
Russell Kinga4f7e762006-06-28 12:52:41 +0100262 depends on MMU
Lennert Buytenhek7ae1f7e2006-09-18 23:12:53 +0100263 select PLAT_IOP
Russell Kingf7e68bb2005-05-05 14:49:01 +0100264 select PCI
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000265 help
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100266 Support for Intel's 80219 and IOP32X (XScale) family of
267 processors.
268
269config ARCH_IOP33X
270 bool "IOP33x-based"
271 depends on MMU
Lennert Buytenhek7ae1f7e2006-09-18 23:12:53 +0100272 select PLAT_IOP
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100273 select PCI
274 help
275 Support for Intel's IOP33X (XScale) family of processors.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700276
Russell King3b938be2007-05-12 11:25:44 +0100277config ARCH_IXP23XX
278 bool "IXP23XX-based"
Dan Williams588ef762007-02-13 17:12:04 +0100279 depends on MMU
Russell King3b938be2007-05-12 11:25:44 +0100280 select PCI
Dan Williams285f5fa2006-12-07 02:59:39 +0100281 help
Russell King3b938be2007-05-12 11:25:44 +0100282 Support for Intel's IXP23xx (XScale) family of processors.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700283
284config ARCH_IXP2000
285 bool "IXP2400/2800-based"
Russell Kinga4f7e762006-06-28 12:52:41 +0100286 depends on MMU
Russell Kingf7e68bb2005-05-05 14:49:01 +0100287 select PCI
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000288 help
289 Support for Intel's IXP2400/2800 (XScale) family of processors.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700290
Russell King3b938be2007-05-12 11:25:44 +0100291config ARCH_IXP4XX
292 bool "IXP4xx-based"
Russell Kinga4f7e762006-06-28 12:52:41 +0100293 depends on MMU
Milan Svoboda8858e9a2007-05-14 07:50:42 +0100294 select GENERIC_GPIO
Russell King3b938be2007-05-12 11:25:44 +0100295 select GENERIC_TIME
296 select GENERIC_CLOCKEVENTS
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100297 help
Russell King3b938be2007-05-12 11:25:44 +0100298 Support for Intel's IXP4XX (XScale) family of processors.
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100299
Linus Torvalds1da177e2005-04-16 15:20:36 -0700300config ARCH_L7200
301 bool "LinkUp-L7200"
302 select FIQ
303 help
304 Say Y here if you intend to run this kernel on a LinkUp Systems
305 L7200 Software Development Board which uses an ARM720T processor.
306 Information on this board can be obtained at:
307
308 <http://www.linkupsys.com/>
309
310 If you have any questions or comments about the Linux kernel port
311 to this board, send e-mail to <sjhill@cotw.com>.
312
Andrew Victorc53c9cf2007-05-11 21:01:28 +0100313config ARCH_KS8695
314 bool "Micrel/Kendin KS8695"
Andrew Victor8a87a992007-05-14 14:30:15 +0100315 select GENERIC_GPIO
Andrew Victorc53c9cf2007-05-11 21:01:28 +0100316 help
317 Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based
318 System-on-Chip devices.
319
Uwe Kleine-König9918cda2007-02-16 15:36:55 +0100320config ARCH_NS9XXX
321 bool "NetSilicon NS9xxx"
Uwe Kleine-König689f2a02007-09-30 20:35:09 +0100322 select GENERIC_GPIO
Uwe Kleine-Königcef59752007-09-30 20:35:48 +0100323 select GENERIC_TIME
Uwe Kleine-Königc0bb87f2007-09-30 20:36:00 +0100324 select GENERIC_CLOCKEVENTS
Uwe Kleine-König9918cda2007-02-16 15:36:55 +0100325 help
326 Say Y here if you intend to run this kernel on a NetSilicon NS9xxx
327 System.
328
329 <http://www.digi.com/products/microprocessors/index.jsp>
330
Quinn Jensen52c543f2007-07-09 22:06:53 +0100331config ARCH_MXC
332 bool "Freescale MXC/iMX-based"
333 select ARCH_MTD_XIP
334 help
335 Support for Freescale MXC/iMX-based family of processors
336
Tzachi Perelstein585cf172007-10-23 15:14:41 -0400337config ARCH_ORION
338 bool "Marvell Orion"
339 depends on MMU
Tzachi Perelstein038ee082007-10-23 15:14:42 -0400340 select PCI
Tzachi Perelstein01af72e2007-10-23 15:14:42 -0400341 select GENERIC_GPIO
Tzachi Perelstein51cbff12007-10-23 15:14:42 -0400342 select GENERIC_TIME
343 select GENERIC_CLOCKEVENTS
Tzachi Perelstein585cf172007-10-23 15:14:41 -0400344 help
345 Support for Marvell Orion System on Chip family.
346
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100347config ARCH_PNX4008
348 bool "Philips Nexperia PNX4008 Mobile"
349 help
350 This enables support for Philips PNX4008 mobile platform.
351
Linus Torvalds1da177e2005-04-16 15:20:36 -0700352config ARCH_PXA
eric miao2c8086a2007-09-11 19:13:17 -0700353 bool "PXA2xx/PXA3xx-based"
Russell Kinga4f7e762006-06-28 12:52:41 +0100354 depends on MMU
Al Viro034d2f52005-12-19 16:27:59 -0500355 select ARCH_MTD_XIP
David Brownell0a938b92007-03-05 00:30:18 -0800356 select GENERIC_GPIO
Nicolas Pitre45cf5ee2007-02-05 22:37:07 +0100357 select GENERIC_TIME
Eric Miao981d0f32007-07-24 01:22:43 +0100358 select GENERIC_CLOCKEVENTS
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000359 help
eric miao2c8086a2007-09-11 19:13:17 -0700360 Support for Intel/Marvell's PXA2xx/PXA3xx processor line.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700361
362config ARCH_RPC
363 bool "RiscPC"
364 select ARCH_ACORN
365 select FIQ
366 select TIMER_ACORN
viro@ZenIV.linux.org.uka08b6b72005-09-06 01:48:42 +0100367 select ARCH_MAY_HAVE_PC_FDC
Russell King065909b2006-01-04 15:44:16 +0000368 select ISA_DMA_API
Al Viro5ea81762007-02-11 15:41:31 +0000369 select NO_IOPORT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700370 help
371 On the Acorn Risc-PC, Linux can support the internal IDE disk and
372 CD-ROM interface, serial and parallel port, and the floppy drive.
373
374config ARCH_SA1100
375 bool "SA1100-based"
Russell Kingf7e68bb2005-05-05 14:49:01 +0100376 select ISA
Russell King3cd9e192005-06-25 19:29:34 +0100377 select ARCH_DISCONTIGMEM_ENABLE
Al Viro034d2f52005-12-19 16:27:59 -0500378 select ARCH_MTD_XIP
David Brownell0a938b92007-03-05 00:30:18 -0800379 select GENERIC_GPIO
Russell Kingd142b6e2007-11-12 21:55:12 +0000380 select GENERIC_TIME
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000381 help
382 Support for StrongARM 11x0 based boards.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700383
384config ARCH_S3C2410
Ben Dookse4d06e32007-02-16 12:12:31 +0100385 bool "Samsung S3C2410, S3C2412, S3C2413, S3C2440, S3C2442, S3C2443"
David Brownell0a938b92007-03-05 00:30:18 -0800386 select GENERIC_GPIO
Linus Torvalds1da177e2005-04-16 15:20:36 -0700387 help
388 Samsung S3C2410X CPU based systems, such as the Simtec Electronics
389 BAST (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or
Martin Michlmayrf6c89652006-02-08 21:09:07 +0000390 the Samsung SMDK2410 development board (and derivatives).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700391
392config ARCH_SHARK
393 bool "Shark"
Russell Kingf7e68bb2005-05-05 14:49:01 +0100394 select ISA
395 select ISA_DMA
396 select PCI
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000397 help
398 Support for the StrongARM based Digital DNARD machine, also known
399 as "Shark" (<http://www.shark-linux.de/shark.html>).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700400
401config ARCH_LH7A40X
402 bool "Sharp LH7A40X"
403 help
404 Say Y here for systems based on one of the Sharp LH7A40X
405 System on a Chip processors. These CPUs include an ARM922T
406 core with a wide array of integrated devices for
407 hand-held and low-power applications.
408
Kevin Hilman7c6337e2007-04-30 19:37:19 +0100409config ARCH_DAVINCI
410 bool "TI DaVinci"
411 select GENERIC_TIME
412 select GENERIC_CLOCKEVENTS
Vladimir Barinov3d9edf02007-07-10 13:03:43 +0100413 select GENERIC_GPIO
Kevin Hilman7c6337e2007-04-30 19:37:19 +0100414 help
415 Support for TI's DaVinci platform.
416
Russell King3b938be2007-05-12 11:25:44 +0100417config ARCH_OMAP
418 bool "TI OMAP"
419 select GENERIC_GPIO
420 select GENERIC_TIME
421 help
422 Support for TI's OMAP platform (OMAP1 and OMAP2).
423
Brian Swetland30421022007-11-26 04:11:43 -0800424config ARCH_MSM7X00A
425 bool "Qualcomm MSM7X00A"
426 select GENERIC_TIME
427 select GENERIC_CLOCKEVENTS
428 help
429 Support for Qualcomm MSM7X00A based systems. This runs on the ARM11
430 apps processor of the MSM7X00A and depends on a shared memory
431 interface to the ARM9 modem processor which runs the baseband stack
432 and controls some vital subsystems (clock and power control, etc).
433 <http://www.cdmatech.com/products/msm7200_chipset_solution.jsp>
434
Linus Torvalds1da177e2005-04-16 15:20:36 -0700435endchoice
436
437source "arch/arm/mach-clps711x/Kconfig"
438
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000439source "arch/arm/mach-ep93xx/Kconfig"
440
Linus Torvalds1da177e2005-04-16 15:20:36 -0700441source "arch/arm/mach-footbridge/Kconfig"
442
443source "arch/arm/mach-integrator/Kconfig"
444
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100445source "arch/arm/mach-iop32x/Kconfig"
446
447source "arch/arm/mach-iop33x/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700448
Dan Williams285f5fa2006-12-07 02:59:39 +0100449source "arch/arm/mach-iop13xx/Kconfig"
450
Linus Torvalds1da177e2005-04-16 15:20:36 -0700451source "arch/arm/mach-ixp4xx/Kconfig"
452
453source "arch/arm/mach-ixp2000/Kconfig"
454
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100455source "arch/arm/mach-ixp23xx/Kconfig"
456
Linus Torvalds1da177e2005-04-16 15:20:36 -0700457source "arch/arm/mach-pxa/Kconfig"
458
459source "arch/arm/mach-sa1100/Kconfig"
460
Tony Lindgrend48af152005-07-10 19:58:17 +0100461source "arch/arm/plat-omap/Kconfig"
462
463source "arch/arm/mach-omap1/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700464
Tony Lindgren1dbae812005-11-10 14:26:51 +0000465source "arch/arm/mach-omap2/Kconfig"
466
Tzachi Perelstein585cf172007-10-23 15:14:41 -0400467source "arch/arm/mach-orion/Kconfig"
468
Ben Dooksa21765a2007-02-11 18:31:01 +0100469source "arch/arm/plat-s3c24xx/Kconfig"
Ben Dooksd58153d2007-07-22 16:07:09 +0100470source "arch/arm/plat-s3c/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +0100471
472if ARCH_S3C2410
473source "arch/arm/mach-s3c2400/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700474source "arch/arm/mach-s3c2410/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +0100475source "arch/arm/mach-s3c2412/Kconfig"
476source "arch/arm/mach-s3c2440/Kconfig"
477source "arch/arm/mach-s3c2442/Kconfig"
Ben Dookse4d06e32007-02-16 12:12:31 +0100478source "arch/arm/mach-s3c2443/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +0100479endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700480
481source "arch/arm/mach-lh7a40x/Kconfig"
482
483source "arch/arm/mach-imx/Kconfig"
484
485source "arch/arm/mach-h720x/Kconfig"
486
487source "arch/arm/mach-versatile/Kconfig"
488
Bellido Nicolas038c5b62005-06-20 18:51:05 +0100489source "arch/arm/mach-aaec2000/Kconfig"
490
Catalin Marinas8ad68bb2005-10-31 14:25:02 +0000491source "arch/arm/mach-realview/Kconfig"
492
Andrew Victor9d041262007-02-05 11:42:07 +0100493source "arch/arm/mach-at91/Kconfig"
SAN People73a59c12006-01-09 17:05:41 +0000494
Quinn Jensen52c543f2007-07-09 22:06:53 +0100495source "arch/arm/plat-mxc/Kconfig"
496
Sascha Hauerbb6d8c82006-06-19 15:27:53 +0100497source "arch/arm/mach-netx/Kconfig"
498
Uwe Kleine-König9918cda2007-02-16 15:36:55 +0100499source "arch/arm/mach-ns9xxx/Kconfig"
500
Kevin Hilman7c6337e2007-04-30 19:37:19 +0100501source "arch/arm/mach-davinci/Kconfig"
502
Andrew Victorc53c9cf2007-05-11 21:01:28 +0100503source "arch/arm/mach-ks8695/Kconfig"
504
Brian Swetland9e73c842007-11-26 04:12:13 -0800505source "arch/arm/mach-msm/Kconfig"
506
Linus Torvalds1da177e2005-04-16 15:20:36 -0700507# Definitions to make life easier
508config ARCH_ACORN
509 bool
510
Lennert Buytenhek7ae1f7e2006-09-18 23:12:53 +0100511config PLAT_IOP
512 bool
513
Linus Torvalds1da177e2005-04-16 15:20:36 -0700514source arch/arm/mm/Kconfig
515
Lennert Buytenhekafe4b252006-12-03 18:51:14 +0100516config IWMMXT
517 bool "Enable iWMMXt support"
Robert P. J. Day6340aa62007-02-17 19:05:24 +0100518 depends on CPU_XSCALE || CPU_XSC3
eric miao2c8086a2007-09-11 19:13:17 -0700519 default y if PXA27x || PXA3xx
Lennert Buytenhekafe4b252006-12-03 18:51:14 +0100520 help
521 Enable support for iWMMXt context switching at run time if
522 running on a CPU that supports it.
523
Linus Torvalds1da177e2005-04-16 15:20:36 -0700524# bool 'Use XScale PMU as timer source' CONFIG_XSCALE_PMU_TIMER
525config XSCALE_PMU
526 bool
527 depends on CPU_XSCALE && !XSCALE_PMU_TIMER
528 default y
529
Hyok S. Choi3b93e7b2006-06-22 11:48:56 +0100530if !MMU
531source "arch/arm/Kconfig-nommu"
532endif
533
Linus Torvalds1da177e2005-04-16 15:20:36 -0700534endmenu
535
536source "arch/arm/common/Kconfig"
537
538config FORCE_MAX_ZONEORDER
539 int
540 depends on SA1111
541 default "9"
542
543menu "Bus support"
544
545config ARM_AMBA
546 bool
547
548config ISA
549 bool
Linus Torvalds1da177e2005-04-16 15:20:36 -0700550 help
551 Find out whether you have ISA slots on your motherboard. ISA is the
552 name of a bus system, i.e. the way the CPU talks to the other stuff
553 inside your box. Other bus systems are PCI, EISA, MicroChannel
554 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
555 newer boards don't support it. If you have ISA, say Y, otherwise N.
556
Russell King065909b2006-01-04 15:44:16 +0000557# Select ISA DMA controller support
Linus Torvalds1da177e2005-04-16 15:20:36 -0700558config ISA_DMA
559 bool
Russell King065909b2006-01-04 15:44:16 +0000560 select ISA_DMA_API
Linus Torvalds1da177e2005-04-16 15:20:36 -0700561
Russell King065909b2006-01-04 15:44:16 +0000562# Select ISA DMA interface
Al Viro5cae8412005-05-04 05:39:22 +0100563config ISA_DMA_API
564 bool
Al Viro5cae8412005-05-04 05:39:22 +0100565
Linus Torvalds1da177e2005-04-16 15:20:36 -0700566config PCI
Mike Rapoporta0113a92007-11-25 08:55:34 +0100567 bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB || ARCH_IXP4XX || ARCH_KS8695 || MACH_ARMCORE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700568 help
569 Find out whether you have a PCI motherboard. PCI is the name of a
570 bus system, i.e. the way the CPU talks to the other stuff inside
571 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
572 VESA. If you have PCI, say Y, otherwise N.
573
574 The PCI-HOWTO, available from
575 <http://www.tldp.org/docs.html#howto>, contains valuable
576 information about which PCI hardware does work under Linux and which
577 doesn't.
578
Matthew Wilcox36e23592007-07-10 10:54:40 -0600579config PCI_SYSCALL
580 def_bool PCI
581
Linus Torvalds1da177e2005-04-16 15:20:36 -0700582# Select the host bridge type
583config PCI_HOST_VIA82C505
584 bool
585 depends on PCI && ARCH_SHARK
586 default y
587
Mike Rapoporta0113a92007-11-25 08:55:34 +0100588config PCI_HOST_ITE8152
589 bool
590 depends on PCI && MACH_ARMCORE
591 default y
592 select DMABOUNCE
593
Linus Torvalds1da177e2005-04-16 15:20:36 -0700594source "drivers/pci/Kconfig"
595
596source "drivers/pcmcia/Kconfig"
597
598endmenu
599
600menu "Kernel Features"
601
Kevin Hilman0567a0c2007-03-13 20:29:24 +0100602source "kernel/time/Kconfig"
603
Linus Torvalds1da177e2005-04-16 15:20:36 -0700604config SMP
605 bool "Symmetric Multi-Processing (EXPERIMENTAL)"
Russell Kingf6db4492005-11-07 21:30:21 +0000606 depends on EXPERIMENTAL && REALVIEW_MPCORE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700607 help
608 This enables support for systems with more than one CPU. If you have
609 a system with only one CPU, like most personal computers, say N. If
610 you have a system with more than one CPU, say Y.
611
612 If you say N here, the kernel will run on single and multiprocessor
613 machines, but will use only one CPU of a multiprocessor machine. If
614 you say Y here, the kernel will run on many, but not all, single
615 processor machines. On a single processor machine, the kernel will
616 run faster if you say N here.
617
Arthur Othieno12c62c22005-09-10 00:26:22 -0700618 See also the <file:Documentation/smp.txt>,
619 <file:Documentation/i386/IO-APIC.txt>,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700620 <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
621 <http://www.linuxdoc.org/docs.html#howto>.
622
623 If you don't know what to do here, say N.
624
625config NR_CPUS
626 int "Maximum number of CPUs (2-32)"
627 range 2 32
628 depends on SMP
629 default "4"
630
Russell Kinga054a812005-11-02 22:24:33 +0000631config HOTPLUG_CPU
632 bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
633 depends on SMP && HOTPLUG && EXPERIMENTAL
634 help
635 Say Y here to experiment with turning CPUs off and on. CPUs
636 can be controlled through /sys/devices/system/cpu.
637
Russell King37ee16a2005-11-08 19:08:05 +0000638config LOCAL_TIMERS
639 bool "Use local timer interrupts"
Russell King2a98beb2005-11-09 10:50:29 +0000640 depends on SMP && REALVIEW_MPCORE
Russell King37ee16a2005-11-08 19:08:05 +0000641 default y
642 help
643 Enable support for local timers on SMP platforms, rather then the
644 legacy IPI broadcast method. Local timers allows the system
645 accounting to be spread across the timer interval, preventing a
646 "thundering herd" at every timer tick.
647
Linus Torvalds1da177e2005-04-16 15:20:36 -0700648config PREEMPT
649 bool "Preemptible Kernel (EXPERIMENTAL)"
650 depends on EXPERIMENTAL
651 help
652 This option reduces the latency of the kernel when reacting to
653 real-time or interactive events by allowing a low priority process to
654 be preempted even if it is in kernel mode executing a system call.
655 This allows applications to run more reliably even when the system is
656 under load.
657
658 Say Y here if you are building a kernel for a desktop, embedded
659 or real-time system. Say N if you are unsure.
660
Russell King8749af62005-06-25 19:39:45 +0100661config NO_IDLE_HZ
662 bool "Dynamic tick timer"
Kevin Hilman0567a0c2007-03-13 20:29:24 +0100663 depends on !GENERIC_CLOCKEVENTS
Russell King8749af62005-06-25 19:39:45 +0100664 help
665 Select this option if you want to disable continuous timer ticks
666 and have them programmed to occur as required. This option saves
667 power as the system can remain in idle state for longer.
668
669 By default dynamic tick is disabled during the boot, and can be
670 manually enabled with:
671
672 echo 1 > /sys/devices/system/timer/timer0/dyn_tick
673
674 Alternatively, if you want dynamic tick automatically enabled
675 during boot, pass "dyntick=enable" via the kernel command string.
676
Tony Lindgrenf2be64b2005-06-28 21:01:16 +0100677 Please note that dynamic tick may affect the accuracy of
678 timekeeping on some platforms depending on the implementation.
Nicolas Pitre569d2c32005-09-01 12:48:48 +0100679 Currently at least OMAP, PXA2xx and SA11x0 platforms are known
680 to have accurate timekeeping with dynamic tick.
Tony Lindgrenf2be64b2005-06-28 21:01:16 +0100681
Russell Kingf8065812006-03-02 22:41:59 +0000682config HZ
683 int
684 default 128 if ARCH_L7200
685 default 200 if ARCH_EBSA110 || ARCH_S3C2410
Russell Kingbfe65702006-03-04 11:01:53 +0000686 default OMAP_32K_TIMER_HZ if ARCH_OMAP && OMAP_32K_TIMER
David Brownell5248c652007-11-12 17:59:10 +0100687 default AT91_TIMER_HZ if ARCH_AT91
Russell Kingf8065812006-03-02 22:41:59 +0000688 default 100
689
Nicolas Pitre704bdda02006-01-14 16:33:50 +0000690config AEABI
691 bool "Use the ARM EABI to compile the kernel"
692 help
693 This option allows for the kernel to be compiled using the latest
694 ARM ABI (aka EABI). This is only useful if you are using a user
695 space environment that is also compiled with EABI.
696
697 Since there are major incompatibilities between the legacy ABI and
698 EABI, especially with regard to structure member alignment, this
699 option also changes the kernel syscall calling convention to
700 disambiguate both ABIs and allow for backward compatibility support
701 (selected with CONFIG_OABI_COMPAT).
702
703 To use this you need GCC version 4.0.0 or later.
704
Nicolas Pitre6c90c872006-01-14 16:37:15 +0000705config OABI_COMPAT
Russell Kinga73a3ff2006-02-08 21:09:55 +0000706 bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)"
Nicolas Pitre61c484d2006-02-08 21:09:08 +0000707 depends on AEABI && EXPERIMENTAL
Nicolas Pitre6c90c872006-01-14 16:37:15 +0000708 default y
709 help
710 This option preserves the old syscall interface along with the
711 new (ARM EABI) one. It also provides a compatibility layer to
712 intercept syscalls that have structure arguments which layout
713 in memory differs between the legacy ABI and the new ARM EABI
714 (only for non "thumb" binaries). This option adds a tiny
715 overhead to all syscalls and produces a slightly larger kernel.
716 If you know you'll be using only pure EABI user space then you
717 can say N here. If this option is not selected and you attempt
718 to execute a legacy ABI binary then the result will be
719 UNPREDICTABLE (in fact it can be predicted that it won't work
720 at all). If in doubt say Y.
721
Dave Hansen3f22ab22005-06-23 00:07:43 -0700722config ARCH_DISCONTIGMEM_ENABLE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700723 bool
Russell Kingf7e68bb2005-05-05 14:49:01 +0100724 default (ARCH_LH7A40X && !LH7A40X_CONTIGMEM)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700725 help
726 Say Y to support efficient handling of discontiguous physical memory,
727 for architectures which are either NUMA (Non-Uniform Memory Access)
728 or have huge holes in the physical address space for other reasons.
729 See <file:Documentation/vm/numa> for more.
730
Yasunori Gotoc80d79d2006-04-10 22:53:53 -0700731config NODES_SHIFT
732 int
733 default "4" if ARCH_LH7A40X
734 default "2"
735 depends on NEED_MULTIPLE_NODES
736
Dave Hansen3f22ab22005-06-23 00:07:43 -0700737source "mm/Kconfig"
738
Linus Torvalds1da177e2005-04-16 15:20:36 -0700739config LEDS
740 bool "Timer and CPU usage LEDs"
741 depends on ARCH_CDB89712 || ARCH_CO285 || ARCH_EBSA110 || \
742 ARCH_EBSA285 || ARCH_IMX || ARCH_INTEGRATOR || \
743 ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_NETWINDER || \
744 ARCH_OMAP || ARCH_P720T || ARCH_PXA_IDP || \
SAN People73a59c12006-01-09 17:05:41 +0000745 ARCH_SA1100 || ARCH_SHARK || ARCH_VERSATILE || \
Andrew Victorc53c9cf2007-05-11 21:01:28 +0100746 ARCH_AT91 || MACH_TRIZEPS4 || ARCH_DAVINCI || \
Ronen Shitrit817eb212007-10-17 14:51:34 -0400747 ARCH_KS8695 || MACH_RD88F5182
Linus Torvalds1da177e2005-04-16 15:20:36 -0700748 help
749 If you say Y here, the LEDs on your machine will be used
750 to provide useful information about your current system status.
751
752 If you are compiling a kernel for a NetWinder or EBSA-285, you will
753 be able to select which LEDs are active using the options below. If
754 you are compiling a kernel for the EBSA-110 or the LART however, the
755 red LED will simply flash regularly to indicate that the system is
756 still functional. It is safe to say Y here if you have a CATS
757 system, but the driver will do nothing.
758
759config LEDS_TIMER
760 bool "Timer LED" if (!ARCH_CDB89712 && !ARCH_OMAP) || \
David Brownelleebdf7d72007-04-02 12:48:10 -0700761 OMAP_OSK_MISTRAL || MACH_OMAP_H2 \
762 || MACH_OMAP_PERSEUS2
Linus Torvalds1da177e2005-04-16 15:20:36 -0700763 depends on LEDS
Kevin Hilman0567a0c2007-03-13 20:29:24 +0100764 depends on !GENERIC_CLOCKEVENTS
Linus Torvalds1da177e2005-04-16 15:20:36 -0700765 default y if ARCH_EBSA110
766 help
767 If you say Y here, one of the system LEDs (the green one on the
768 NetWinder, the amber one on the EBSA285, or the red one on the LART)
769 will flash regularly to indicate that the system is still
770 operational. This is mainly useful to kernel hackers who are
771 debugging unstable kernels.
772
773 The LART uses the same LED for both Timer LED and CPU usage LED
774 functions. You may choose to use both, but the Timer LED function
775 will overrule the CPU usage LED.
776
777config LEDS_CPU
778 bool "CPU usage LED" if (!ARCH_CDB89712 && !ARCH_EBSA110 && \
David Brownelleebdf7d72007-04-02 12:48:10 -0700779 !ARCH_OMAP) \
780 || OMAP_OSK_MISTRAL || MACH_OMAP_H2 \
781 || MACH_OMAP_PERSEUS2
Linus Torvalds1da177e2005-04-16 15:20:36 -0700782 depends on LEDS
783 help
784 If you say Y here, the red LED will be used to give a good real
785 time indication of CPU usage, by lighting whenever the idle task
786 is not currently executing.
787
788 The LART uses the same LED for both Timer LED and CPU usage LED
789 functions. You may choose to use both, but the Timer LED function
790 will overrule the CPU usage LED.
791
792config ALIGNMENT_TRAP
793 bool
Hyok S. Choif12d0d72006-09-26 17:36:37 +0900794 depends on CPU_CP15_MMU
Linus Torvalds1da177e2005-04-16 15:20:36 -0700795 default y if !ARCH_EBSA110
796 help
Matt LaPlante84eb8d02006-10-03 22:53:09 +0200797 ARM processors cannot fetch/store information which is not
Linus Torvalds1da177e2005-04-16 15:20:36 -0700798 naturally aligned on the bus, i.e., a 4 byte fetch must start at an
799 address divisible by 4. On 32-bit ARM processors, these non-aligned
800 fetch/store instructions will be emulated in software if you say
801 here, which has a severe performance impact. This is necessary for
802 correct operation of some network protocols. With an IP-only
803 configuration it is safe to say N, otherwise say Y.
804
805endmenu
806
807menu "Boot options"
808
809# Compressed boot loader in ROM. Yes, we really want to ask about
810# TEXT and BSS so we preserve their values in the config files.
811config ZBOOT_ROM_TEXT
812 hex "Compressed ROM boot loader base address"
813 default "0"
814 help
815 The physical address at which the ROM-able zImage is to be
816 placed in the target. Platforms which normally make use of
817 ROM-able zImage formats normally set this to a suitable
818 value in their defconfig file.
819
820 If ZBOOT_ROM is not enabled, this has no effect.
821
822config ZBOOT_ROM_BSS
823 hex "Compressed ROM boot loader BSS address"
824 default "0"
825 help
Dan Fandrichf8c440b2006-09-20 23:28:51 +0100826 The base address of an area of read/write memory in the target
827 for the ROM-able zImage which must be available while the
828 decompressor is running. It must be large enough to hold the
829 entire decompressed kernel plus an additional 128 KiB.
830 Platforms which normally make use of ROM-able zImage formats
831 normally set this to a suitable value in their defconfig file.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700832
833 If ZBOOT_ROM is not enabled, this has no effect.
834
835config ZBOOT_ROM
836 bool "Compressed boot loader in ROM/flash"
837 depends on ZBOOT_ROM_TEXT != ZBOOT_ROM_BSS
838 help
839 Say Y here if you intend to execute your compressed kernel image
840 (zImage) directly from ROM or flash. If unsure, say N.
841
842config CMDLINE
843 string "Default kernel command string"
844 default ""
845 help
846 On some architectures (EBSA110 and CATS), there is currently no way
847 for the boot loader to pass arguments to the kernel. For these
848 architectures, you should supply some command-line options at build
849 time by entering them here. As a minimum, you should specify the
850 memory size and the root device (e.g., mem=64M root=/dev/nfs).
851
852config XIP_KERNEL
853 bool "Kernel Execute-In-Place from ROM"
854 depends on !ZBOOT_ROM
855 help
856 Execute-In-Place allows the kernel to run from non-volatile storage
857 directly addressable by the CPU, such as NOR flash. This saves RAM
858 space since the text section of the kernel is not loaded from flash
859 to RAM. Read-write sections, such as the data section and stack,
860 are still copied to RAM. The XIP kernel is not compressed since
861 it has to run directly from flash, so it will take more space to
862 store it. The flash address used to link the kernel object files,
863 and for storing it, is configuration dependent. Therefore, if you
864 say Y here, you must know the proper physical address where to
865 store the kernel image depending on your own flash memory usage.
866
867 Also note that the make target becomes "make xipImage" rather than
868 "make zImage" or "make Image". The final kernel binary to put in
869 ROM memory will be arch/arm/boot/xipImage.
870
871 If unsure, say N.
872
873config XIP_PHYS_ADDR
874 hex "XIP Kernel Physical Location"
875 depends on XIP_KERNEL
876 default "0x00080000"
877 help
878 This is the physical address in your flash memory the kernel will
879 be linked for and stored to. This address is dependent on your
880 own flash usage.
881
Richard Purdiec587e4a2007-02-06 21:29:00 +0100882config KEXEC
883 bool "Kexec system call (EXPERIMENTAL)"
884 depends on EXPERIMENTAL
885 help
886 kexec is a system call that implements the ability to shutdown your
887 current kernel, and to start another kernel. It is like a reboot
Matt LaPlante01dd2fb2007-10-20 01:34:40 +0200888 but it is independent of the system firmware. And like a reboot
Richard Purdiec587e4a2007-02-06 21:29:00 +0100889 you can start any kernel with it, not just Linux.
890
891 It is an ongoing process to be certain the hardware in a machine
892 is properly shutdown, so do not be surprised if this code does not
893 initially work for you. It may help to enable device hotplugging
894 support.
895
Linus Torvalds1da177e2005-04-16 15:20:36 -0700896endmenu
897
Pavel Pisa3c8cd0c2006-12-06 17:25:04 +0100898if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP || ARCH_IMX )
Linus Torvalds1da177e2005-04-16 15:20:36 -0700899
900menu "CPU Frequency scaling"
901
902source "drivers/cpufreq/Kconfig"
903
904config CPU_FREQ_SA1100
905 bool
Vincent Sanders07c6d482005-06-09 21:59:22 +0100906 depends on CPU_FREQ && (SA1100_H3100 || SA1100_H3600 || SA1100_H3800 || SA1100_LART || SA1100_PLEB || SA1100_BADGE4 || SA1100_HACKKIT)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700907 default y
908
909config CPU_FREQ_SA1110
910 bool
911 depends on CPU_FREQ && (SA1100_ASSABET || SA1100_CERF || SA1100_PT_SYSTEM3)
912 default y
913
914config CPU_FREQ_INTEGRATOR
915 tristate "CPUfreq driver for ARM Integrator CPUs"
916 depends on ARCH_INTEGRATOR && CPU_FREQ
917 default y
918 help
919 This enables the CPUfreq driver for ARM Integrator CPUs.
920
921 For details, take a look at <file:Documentation/cpu-freq>.
922
923 If in doubt, say Y.
924
Pavel Pisa3c8cd0c2006-12-06 17:25:04 +0100925config CPU_FREQ_IMX
926 tristate "CPUfreq driver for i.MX CPUs"
927 depends on ARCH_IMX && CPU_FREQ
928 default n
929 help
930 This enables the CPUfreq driver for i.MX CPUs.
931
932 If in doubt, say N.
933
Linus Torvalds1da177e2005-04-16 15:20:36 -0700934endmenu
935
936endif
937
938menu "Floating point emulation"
939
940comment "At least one emulation must be selected"
941
942config FPE_NWFPE
943 bool "NWFPE math emulation"
Nicolas Pitre8993a442006-01-14 16:36:50 +0000944 depends on !AEABI || OABI_COMPAT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700945 ---help---
946 Say Y to include the NWFPE floating point emulator in the kernel.
947 This is necessary to run most binaries. Linux does not currently
948 support floating point hardware so you need to say Y here even if
949 your machine has an FPA or floating point co-processor podule.
950
951 You may say N here if you are going to load the Acorn FPEmulator
952 early in the bootup.
953
954config FPE_NWFPE_XP
955 bool "Support extended precision"
Lennert Buytenhekbedf1422005-11-07 21:12:08 +0000956 depends on FPE_NWFPE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700957 help
958 Say Y to include 80-bit support in the kernel floating-point
959 emulator. Otherwise, only 32 and 64-bit support is compiled in.
960 Note that gcc does not generate 80-bit operations by default,
961 so in most cases this option only enlarges the size of the
962 floating point emulator without any good reason.
963
964 You almost surely want to say N here.
965
966config FPE_FASTFPE
967 bool "FastFPE math emulation (EXPERIMENTAL)"
Nicolas Pitre8993a442006-01-14 16:36:50 +0000968 depends on (!AEABI || OABI_COMPAT) && !CPU_32v3 && EXPERIMENTAL
Linus Torvalds1da177e2005-04-16 15:20:36 -0700969 ---help---
970 Say Y here to include the FAST floating point emulator in the kernel.
971 This is an experimental much faster emulator which now also has full
972 precision for the mantissa. It does not support any exceptions.
973 It is very simple, and approximately 3-6 times faster than NWFPE.
974
975 It should be sufficient for most programs. It may be not suitable
976 for scientific calculations, but you have to check this for yourself.
977 If you do not feel you need a faster FP emulation you should better
978 choose NWFPE.
979
980config VFP
981 bool "VFP-format floating point maths"
Russell Kingc00d4ff2008-01-28 13:21:30 +0000982 depends on CPU_V6 || CPU_ARM926T || CPU_V7 || CPU_FEROCEON
Linus Torvalds1da177e2005-04-16 15:20:36 -0700983 help
984 Say Y to include VFP support code in the kernel. This is needed
985 if your hardware includes a VFP unit.
986
987 Please see <file:Documentation/arm/VFP/release-notes.txt> for
988 release notes and additional status information.
989
990 Say N if your target does not have VFP hardware.
991
Catalin Marinas25ebee02007-09-25 15:22:24 +0100992config VFPv3
993 bool
994 depends on VFP
995 default y if CPU_V7
996
Catalin Marinasb5872db2008-01-10 19:16:17 +0100997config NEON
998 bool "Advanced SIMD (NEON) Extension support"
999 depends on VFPv3 && CPU_V7
1000 help
1001 Say Y to include support code for NEON, the ARMv7 Advanced SIMD
1002 Extension.
1003
Linus Torvalds1da177e2005-04-16 15:20:36 -07001004endmenu
1005
1006menu "Userspace binary formats"
1007
1008source "fs/Kconfig.binfmt"
1009
1010config ARTHUR
1011 tristate "RISC OS personality"
Nicolas Pitre704bdda02006-01-14 16:33:50 +00001012 depends on !AEABI
Linus Torvalds1da177e2005-04-16 15:20:36 -07001013 help
1014 Say Y here to include the kernel code necessary if you want to run
1015 Acorn RISC OS/Arthur binaries under Linux. This code is still very
1016 experimental; if this sounds frightening, say N and sleep in peace.
1017 You can also say M here to compile this support as a module (which
1018 will be called arthur).
1019
1020endmenu
1021
1022menu "Power management options"
1023
Russell Kingeceab4a2005-11-15 11:31:41 +00001024source "kernel/power/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001025
Linus Torvalds1da177e2005-04-16 15:20:36 -07001026endmenu
1027
Sam Ravnborgd5950b42005-07-11 21:03:49 -07001028source "net/Kconfig"
1029
Linus Torvalds1da177e2005-04-16 15:20:36 -07001030menu "Device Drivers"
1031
1032source "drivers/base/Kconfig"
1033
Pavel Machekc35bf4a2005-11-12 20:25:25 +00001034source "drivers/connector/Kconfig"
1035
Hyok S. Choif12d0d72006-09-26 17:36:37 +09001036if ALIGNMENT_TRAP || !CPU_CP15_MMU
Linus Torvalds1da177e2005-04-16 15:20:36 -07001037source "drivers/mtd/Kconfig"
1038endif
1039
1040source "drivers/parport/Kconfig"
1041
1042source "drivers/pnp/Kconfig"
1043
1044source "drivers/block/Kconfig"
1045
Russell King58273e52007-10-12 22:24:09 +01001046# misc before ide - BLK_DEV_SGIIOC4 depends on SGI_IOC4
1047
1048source "drivers/misc/Kconfig"
1049
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +01001050if PCMCIA || ARCH_CLPS7500 || ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX \
David Brownellbb011b82005-06-12 23:26:05 +01001051 || ARCH_L7200 || ARCH_LH7A40X || ARCH_PXA || ARCH_RPC \
Lennert Buytenhekc4713072006-03-28 21:18:54 +01001052 || ARCH_S3C2410 || ARCH_SA1100 || ARCH_SHARK || FOOTBRIDGE \
1053 || ARCH_IXP23XX
Linus Torvalds1da177e2005-04-16 15:20:36 -07001054source "drivers/ide/Kconfig"
1055endif
1056
1057source "drivers/scsi/Kconfig"
1058
Martin Michlmayreb370f02006-11-17 00:14:35 +01001059source "drivers/ata/Kconfig"
1060
Linus Torvalds1da177e2005-04-16 15:20:36 -07001061source "drivers/md/Kconfig"
1062
1063source "drivers/message/fusion/Kconfig"
1064
1065source "drivers/ieee1394/Kconfig"
1066
1067source "drivers/message/i2o/Kconfig"
1068
Sam Ravnborgd5950b42005-07-11 21:03:49 -07001069source "drivers/net/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001070
1071source "drivers/isdn/Kconfig"
1072
1073# input before char - char/joystick depends on it. As does USB.
1074
1075source "drivers/input/Kconfig"
1076
1077source "drivers/char/Kconfig"
1078
1079source "drivers/i2c/Kconfig"
1080
David Brownell8ae12a02006-01-08 13:34:19 -08001081source "drivers/spi/Kconfig"
1082
Alessandro Zummo04916c02006-03-10 22:30:01 +00001083source "drivers/w1/Kconfig"
1084
Russell King58273e52007-10-12 22:24:09 +01001085source "drivers/power/Kconfig"
1086
Jean Delvaread2f9312005-07-02 18:15:49 +02001087source "drivers/hwmon/Kconfig"
1088
Russell King70dfa3f2007-11-07 14:13:35 +00001089source "drivers/watchdog/Kconfig"
1090
Russell King58273e52007-10-12 22:24:09 +01001091source "drivers/ssb/Kconfig"
1092
Linus Torvalds1da177e2005-04-16 15:20:36 -07001093#source "drivers/l3/Kconfig"
1094
Russell Kinga4e137a2005-08-18 10:06:59 +01001095source "drivers/mfd/Kconfig"
1096
Linus Torvalds1da177e2005-04-16 15:20:36 -07001097source "drivers/media/Kconfig"
1098
1099source "drivers/video/Kconfig"
1100
1101source "sound/Kconfig"
1102
Sascha Hauerc2dade52006-12-12 10:32:42 +01001103source "drivers/hid/Kconfig"
1104
Linus Torvalds1da177e2005-04-16 15:20:36 -07001105source "drivers/usb/Kconfig"
1106
1107source "drivers/mmc/Kconfig"
1108
Russell King58273e52007-10-12 22:24:09 +01001109source "drivers/leds/Kconfig"
1110
Alessandro Zummo12b824f2006-03-27 01:16:35 -08001111source "drivers/rtc/Kconfig"
1112
Dan Williams58168152007-01-02 11:10:43 -07001113source "drivers/dma/Kconfig"
1114
Dan Williamsabf07b12008-01-18 23:26:10 +01001115source "drivers/dca/Kconfig"
1116
Linus Torvalds1da177e2005-04-16 15:20:36 -07001117endmenu
1118
1119source "fs/Kconfig"
1120
Linus Torvalds38ad9ae2008-01-15 09:23:51 -08001121source "arch/arm/Kconfig.instrumentation"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001122
1123source "arch/arm/Kconfig.debug"
1124
1125source "security/Kconfig"
1126
1127source "crypto/Kconfig"
1128
1129source "lib/Kconfig"