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Linus Torvalds1da177e2005-04-16 15:20:36 -07001config ARM
2 bool
3 default y
David Woodhousee17c6d52008-06-17 12:19:34 +01004 select HAVE_AOUT
Russell King24056f52011-01-03 11:29:28 +00005 select HAVE_DMA_API_DEBUG
Adrian Bunk2064c942008-04-28 23:44:43 +02006 select HAVE_IDE
Russell King2778f622010-07-09 16:27:52 +01007 select HAVE_MEMBLOCK
Alessandro Zummo12b824f2006-03-27 01:16:35 -08008 select RTC_LIB
Ralf Baechle75e71532007-02-09 17:08:58 +00009 select SYS_SUPPORTS_APM_EMULATION
Russell Kinga41297a2011-01-17 15:48:33 +000010 select GENERIC_ATOMIC64 if (CPU_V6 || !CPU_32v6K || !AEABI)
Will Deaconfe166142010-04-30 11:37:51 +010011 select HAVE_OPROFILE if (HAVE_PERF_EVENTS)
Jason Wessel5cbad0e2008-02-20 13:33:40 -060012 select HAVE_ARCH_KGDB
Jon Medhurst856bc352011-06-14 13:09:39 +010013 select HAVE_KPROBES if !XIP_KERNEL
Ananth N Mavinakayanahalli9edddaa2008-03-04 14:28:37 -080014 select HAVE_KRETPROBES if (HAVE_KPROBES)
Steven Rostedt606576c2008-10-06 19:06:12 -040015 select HAVE_FUNCTION_TRACER if (!XIP_KERNEL)
Rabin Vincent80be7a72010-08-10 19:58:17 +010016 select HAVE_FTRACE_MCOUNT_RECORD if (!XIP_KERNEL)
17 select HAVE_DYNAMIC_FTRACE if (!XIP_KERNEL)
Rabin Vincent0e341af2010-11-06 23:03:53 +053018 select HAVE_FUNCTION_GRAPH_TRACER if (!THUMB2_KERNEL)
Dmitry Baryshkov1fe53262008-07-18 13:30:14 +040019 select HAVE_GENERIC_DMA_COHERENT
Albin Tonnerree7db7b42010-01-08 14:42:43 -080020 select HAVE_KERNEL_GZIP
21 select HAVE_KERNEL_LZO
Albin Tonnerre6e8699f2010-04-03 11:40:28 +010022 select HAVE_KERNEL_LZMA
Peter Zijlstrae360adb2010-10-14 14:01:34 +080023 select HAVE_IRQ_WORK
Jamie Iles7ada1892010-02-02 20:24:58 +010024 select HAVE_PERF_EVENTS
25 select PERF_USE_VMALLOC
Will Deacone513f8b2010-06-25 12:24:53 +010026 select HAVE_REGS_AND_STACK_ACCESS_API
Russell Kinge399b1a2011-01-17 15:08:32 +000027 select HAVE_HW_BREAKPOINT if (PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7))
Rabin Vincented604532010-11-30 17:36:48 +010028 select HAVE_C_RECORDMCOUNT
Lennert Buytenheke2a93ec2010-11-29 10:06:57 +010029 select HAVE_GENERIC_HARDIRQS
30 select HAVE_SPARSE_IRQ
Thomas Gleixner25a56622011-03-24 12:02:11 +010031 select GENERIC_IRQ_SHOW
Linus Torvalds1da177e2005-04-16 15:20:36 -070032 help
33 The ARM series is a line of low-power-consumption RISC chip designs
Martin Michlmayrf6c89652006-02-08 21:09:07 +000034 licensed by ARM Ltd and targeted at embedded applications and
Linus Torvalds1da177e2005-04-16 15:20:36 -070035 handhelds such as the Compaq IPAQ. ARM-based PCs are no longer
Martin Michlmayrf6c89652006-02-08 21:09:07 +000036 manufactured, but legacy ARM-based PC hardware remains popular in
Linus Torvalds1da177e2005-04-16 15:20:36 -070037 Europe. There is an ARM Linux project with a web page at
38 <http://www.arm.linux.org.uk/>.
39
Russell King74facff2011-06-02 11:16:22 +010040config ARM_HAS_SG_CHAIN
41 bool
42
Russell King1a189b92008-04-13 21:41:55 +010043config HAVE_PWM
44 bool
45
Hans Ulli Kroll0b05da72010-12-02 12:32:15 +010046config MIGHT_HAVE_PCI
47 bool
48
Ralf Baechle75e71532007-02-09 17:08:58 +000049config SYS_SUPPORTS_APM_EMULATION
50 bool
51
Russell King112f38a42010-12-15 19:23:07 +000052config HAVE_SCHED_CLOCK
53 bool
54
David Brownell0a938b92007-03-05 00:30:18 -080055config GENERIC_GPIO
56 bool
David Brownell0a938b92007-03-05 00:30:18 -080057
John Stultz5cfc8ee2010-03-24 00:22:36 +000058config ARCH_USES_GETTIMEOFFSET
59 bool
60 default n
Kevin Hilman746140c2006-09-22 00:16:30 +010061
Kevin Hilman0567a0c2007-03-13 20:29:24 +010062config GENERIC_CLOCKEVENTS
63 bool
Kevin Hilman0567a0c2007-03-13 20:29:24 +010064
Catalin Marinasa8655e82008-02-04 17:30:57 +010065config GENERIC_CLOCKEVENTS_BROADCAST
66 bool
67 depends on GENERIC_CLOCKEVENTS
Russell King5388a6b2010-07-26 13:19:43 +010068 default y if SMP
Catalin Marinasa8655e82008-02-04 17:30:57 +010069
Rob Herringbf9dd362011-03-04 23:51:59 +010070config KTIME_SCALAR
71 bool
72 default y
73
Linus Walleijbc581772009-09-15 17:30:37 +010074config HAVE_TCM
75 bool
76 select GENERIC_ALLOCATOR
77
Russell Kinge119bff2010-01-10 17:23:29 +000078config HAVE_PROC_CPU
79 bool
80
Al Viro5ea81762007-02-11 15:41:31 +000081config NO_IOPORT
82 bool
Al Viro5ea81762007-02-11 15:41:31 +000083
Linus Torvalds1da177e2005-04-16 15:20:36 -070084config EISA
85 bool
86 ---help---
87 The Extended Industry Standard Architecture (EISA) bus was
88 developed as an open alternative to the IBM MicroChannel bus.
89
90 The EISA bus provided some of the features of the IBM MicroChannel
91 bus while maintaining backward compatibility with cards made for
92 the older ISA bus. The EISA bus saw limited use between 1988 and
93 1995 when it was made obsolete by the PCI bus.
94
95 Say Y here if you are building a kernel for an EISA-based machine.
96
97 Otherwise, say N.
98
99config SBUS
100 bool
101
102config MCA
103 bool
104 help
105 MicroChannel Architecture is found in some IBM PS/2 machines and
106 laptops. It is a bus system similar to PCI or ISA. See
107 <file:Documentation/mca.txt> (and especially the web page given
108 there) before attempting to build an MCA bus kernel.
109
Russell Kingf16fb1e2007-04-28 09:59:37 +0100110config STACKTRACE_SUPPORT
111 bool
112 default y
113
Nicolas Pitref76e9152008-04-24 01:31:46 -0400114config HAVE_LATENCYTOP_SUPPORT
115 bool
116 depends on !SMP
117 default y
118
Russell Kingf16fb1e2007-04-28 09:59:37 +0100119config LOCKDEP_SUPPORT
120 bool
121 default y
122
Russell King7ad1bcb2006-08-27 12:07:02 +0100123config TRACE_IRQFLAGS_SUPPORT
124 bool
125 default y
126
Thomas Gleixner4a2581a2006-07-01 22:30:09 +0100127config HARDIRQS_SW_RESEND
128 bool
129 default y
130
131config GENERIC_IRQ_PROBE
132 bool
133 default y
134
Nick Piggin95c354f2008-01-30 13:31:20 +0100135config GENERIC_LOCKBREAK
136 bool
137 default y
138 depends on SMP && PREEMPT
139
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140config RWSEM_GENERIC_SPINLOCK
141 bool
142 default y
143
144config RWSEM_XCHGADD_ALGORITHM
145 bool
146
David Howellsf0d1b0b2006-12-08 02:37:49 -0800147config ARCH_HAS_ILOG2_U32
148 bool
David Howellsf0d1b0b2006-12-08 02:37:49 -0800149
150config ARCH_HAS_ILOG2_U64
151 bool
David Howellsf0d1b0b2006-12-08 02:37:49 -0800152
Ben Dooks89c52ed2009-07-30 23:23:24 +0100153config ARCH_HAS_CPUFREQ
154 bool
155 help
156 Internal node to signify that the ARCH has CPUFREQ support
157 and that the relevant menu configurations are displayed for
158 it.
159
Kevin Hilmanc7b0aff2010-10-01 22:13:47 +0100160config ARCH_HAS_CPU_IDLE_WAIT
161 def_bool y
162
Akinobu Mitab89c3b12006-03-26 01:39:19 -0800163config GENERIC_HWEIGHT
164 bool
165 default y
166
Linus Torvalds1da177e2005-04-16 15:20:36 -0700167config GENERIC_CALIBRATE_DELAY
168 bool
169 default y
170
viro@ZenIV.linux.org.uka08b6b72005-09-06 01:48:42 +0100171config ARCH_MAY_HAVE_PC_FDC
172 bool
173
Christoph Lameter5ac6da62007-02-10 01:43:14 -0800174config ZONE_DMA
175 bool
Christoph Lameter5ac6da62007-02-10 01:43:14 -0800176
FUJITA Tomonoriccd7ab72010-03-10 15:23:23 -0800177config NEED_DMA_MAP_STATE
178 def_bool y
179
Linus Torvalds1da177e2005-04-16 15:20:36 -0700180config GENERIC_ISA_DMA
181 bool
182
Linus Torvalds1da177e2005-04-16 15:20:36 -0700183config FIQ
184 bool
185
Al Viro034d2f52005-12-19 16:27:59 -0500186config ARCH_MTD_XIP
187 bool
188
Hyok S. Choic760fc12006-03-27 15:18:50 +0100189config VECTORS_BASE
190 hex
Hyok S. Choi6afd6fa2006-09-28 21:46:34 +0900191 default 0xffff0000 if MMU || CPU_HIGH_VECTOR
Hyok S. Choic760fc12006-03-27 15:18:50 +0100192 default DRAM_BASE if REMAP_VECTORS_TO_RAM
193 default 0x00000000
194 help
195 The base address of exception vectors.
196
Russell Kingdc21af92011-01-04 19:09:43 +0000197config ARM_PATCH_PHYS_VIRT
Russell King4eb979d2011-08-10 10:17:07 +0100198 bool "Patch physical to virtual translations at runtime"
Nicolas Pitreb511d752011-02-21 06:53:35 +0100199 depends on !XIP_KERNEL && MMU
Russell Kingdc21af92011-01-04 19:09:43 +0000200 depends on !ARCH_REALVIEW || !SPARSEMEM
201 help
Russell King111e9a52011-05-12 10:02:42 +0100202 Patch phys-to-virt and virt-to-phys translation functions at
203 boot and module load time according to the position of the
204 kernel in system memory.
Russell Kingdc21af92011-01-04 19:09:43 +0000205
Russell King111e9a52011-05-12 10:02:42 +0100206 This can only be used with non-XIP MMU kernels where the base
207 of physical memory is at a 16MB boundary, or theoretically 64K
208 for the MSM machine class.
Russell Kingdc21af92011-01-04 19:09:43 +0000209
Russell Kingcada3c02011-01-04 19:39:29 +0000210config ARM_PATCH_PHYS_VIRT_16BIT
211 def_bool y
212 depends on ARM_PATCH_PHYS_VIRT && ARCH_MSM
Russell King111e9a52011-05-12 10:02:42 +0100213 help
214 This option extends the physical to virtual translation patching
215 to allow physical memory down to a theoretical minimum of 64K
216 boundaries.
Russell Kingcada3c02011-01-04 19:39:29 +0000217
Linus Torvalds1da177e2005-04-16 15:20:36 -0700218source "init/Kconfig"
219
Matt Helsleydc52ddc2008-10-18 20:27:21 -0700220source "kernel/Kconfig.freezer"
221
Linus Torvalds1da177e2005-04-16 15:20:36 -0700222menu "System Type"
223
Hyok S. Choi3c427972009-07-24 12:35:00 +0100224config MMU
225 bool "MMU-based Paged Memory Management Support"
226 default y
227 help
228 Select if you want MMU-based virtualised addressing space
229 support by paged memory management. If unsure, say 'Y'.
230
Russell Kingccf50e22010-03-15 19:03:06 +0000231#
232# The "ARM system type" choice list is ordered alphabetically by option
233# text. Please add new entries in the option alphabetic order.
234#
Linus Torvalds1da177e2005-04-16 15:20:36 -0700235choice
236 prompt "ARM system type"
Catalin Marinas6a0e2432006-03-07 14:42:27 +0000237 default ARCH_VERSATILE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700238
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100239config ARCH_INTEGRATOR
240 bool "ARM Ltd. Integrator family"
241 select ARM_AMBA
Ben Dooks89c52ed2009-07-30 23:23:24 +0100242 select ARCH_HAS_CPUFREQ
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100243 select CLKDEV_LOOKUP
Kyungmin Parkaa3831c2011-07-18 16:34:54 +0900244 select HAVE_MACH_CLKDEV
Russell Kingc5a0adb2010-01-16 20:16:10 +0000245 select ICST
Russell King13edd862010-01-15 21:49:23 +0000246 select GENERIC_CLOCKEVENTS
Russell Kingf4b8b312010-01-14 12:48:06 +0000247 select PLAT_VERSATILE
Russell Kingc41b16f2011-01-19 15:32:15 +0000248 select PLAT_VERSATILE_FPGA_IRQ
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100249 help
250 Support for ARM's Integrator platform.
251
252config ARCH_REALVIEW
253 bool "ARM Ltd. RealView family"
254 select ARM_AMBA
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100255 select CLKDEV_LOOKUP
Kyungmin Parkaa3831c2011-07-18 16:34:54 +0900256 select HAVE_MACH_CLKDEV
Russell Kingc5a0adb2010-01-16 20:16:10 +0000257 select ICST
Catalin Marinasae30cea2008-02-04 17:26:55 +0100258 select GENERIC_CLOCKEVENTS
Russell Kingeb7fffa2009-07-05 22:41:31 +0100259 select ARCH_WANT_OPTIONAL_GPIOLIB
Russell Kingf4b8b312010-01-14 12:48:06 +0000260 select PLAT_VERSATILE
Russell King3cb5ee42011-01-18 20:13:20 +0000261 select PLAT_VERSATILE_CLCD
Russell Kinge3887712010-01-14 13:30:16 +0000262 select ARM_TIMER_SP804
Colin Tuckleyb56ba8a2010-02-24 15:23:10 +0100263 select GPIO_PL061 if GPIOLIB
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100264 help
265 This enables support for ARM Ltd RealView boards.
266
267config ARCH_VERSATILE
268 bool "ARM Ltd. Versatile family"
269 select ARM_AMBA
270 select ARM_VIC
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100271 select CLKDEV_LOOKUP
Kyungmin Parkaa3831c2011-07-18 16:34:54 +0900272 select HAVE_MACH_CLKDEV
Russell Kingc5a0adb2010-01-16 20:16:10 +0000273 select ICST
Kevin Hilman89df1272007-03-08 20:30:38 +0100274 select GENERIC_CLOCKEVENTS
Russell Kingbbeddc42009-07-05 22:43:01 +0100275 select ARCH_WANT_OPTIONAL_GPIOLIB
Russell Kingf4b8b312010-01-14 12:48:06 +0000276 select PLAT_VERSATILE
Russell King3414ba82011-01-18 20:12:10 +0000277 select PLAT_VERSATILE_CLCD
Russell Kingc41b16f2011-01-19 15:32:15 +0000278 select PLAT_VERSATILE_FPGA_IRQ
Russell Kinge3887712010-01-14 13:30:16 +0000279 select ARM_TIMER_SP804
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100280 help
281 This enables support for ARM Ltd Versatile board.
282
Russell Kingceade892010-02-11 21:44:53 +0000283config ARCH_VEXPRESS
284 bool "ARM Ltd. Versatile Express family"
285 select ARCH_WANT_OPTIONAL_GPIOLIB
286 select ARM_AMBA
287 select ARM_TIMER_SP804
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100288 select CLKDEV_LOOKUP
Kyungmin Parkaa3831c2011-07-18 16:34:54 +0900289 select HAVE_MACH_CLKDEV
Russell Kingceade892010-02-11 21:44:53 +0000290 select GENERIC_CLOCKEVENTS
Russell Kingceade892010-02-11 21:44:53 +0000291 select HAVE_CLK
Nick Bowler95c34f82011-01-21 15:51:06 +0100292 select HAVE_PATA_PLATFORM
Russell Kingceade892010-02-11 21:44:53 +0000293 select ICST
294 select PLAT_VERSATILE
Russell King0fb44b92011-01-18 20:13:51 +0000295 select PLAT_VERSATILE_CLCD
Russell Kingceade892010-02-11 21:44:53 +0000296 help
297 This enables support for the ARM Ltd Versatile Express boards.
298
Andrew Victor8fc5ffa2006-06-29 16:06:33 +0100299config ARCH_AT91
300 bool "Atmel AT91"
Ryan Mallonf373e8c2009-02-10 21:02:08 +0100301 select ARCH_REQUIRE_GPIOLIB
David Brownell93686ae2008-07-28 15:46:22 -0700302 select HAVE_CLK
Jean-Christophe PLAGNIOL-VILLARDbd602992011-02-02 07:27:07 +0100303 select CLKDEV_LOOKUP
Jean-Christophe PLAGNIOL-VILLARD3d51f252011-05-03 00:44:58 +0800304 select ARM_PATCH_PHYS_VIRT if MMU
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100305 help
Andrew Victor2b3b3512008-01-24 15:10:39 +0100306 This enables support for systems based on the Atmel AT91RM9200,
307 AT91SAM9 and AT91CAP9 processors.
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100308
Russell Kingccf50e22010-03-15 19:03:06 +0000309config ARCH_BCMRING
310 bool "Broadcom BCMRING"
311 depends on MMU
312 select CPU_V6
313 select ARM_AMBA
Russell King82d63732011-05-12 13:43:39 +0100314 select ARM_TIMER_SP804
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100315 select CLKDEV_LOOKUP
Russell Kingccf50e22010-03-15 19:03:06 +0000316 select GENERIC_CLOCKEVENTS
317 select ARCH_WANT_OPTIONAL_GPIOLIB
318 help
319 Support for Broadcom's BCMRing platform.
320
Linus Torvalds1da177e2005-04-16 15:20:36 -0700321config ARCH_CLPS711X
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100322 bool "Cirrus Logic CLPS711x/EP721x-based"
Russell Kingc7508152008-10-26 10:55:14 +0000323 select CPU_ARM720T
John Stultz5cfc8ee2010-03-24 00:22:36 +0000324 select ARCH_USES_GETTIMEOFFSET
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000325 help
326 Support for Cirrus Logic 711x/721x based boards.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700327
Anton Vorontsovd94f9442010-03-25 17:12:41 +0300328config ARCH_CNS3XXX
329 bool "Cavium Networks CNS3XXX family"
Imre Kaloz00d27112011-07-07 12:19:09 +0200330 select CPU_V6K
Anton Vorontsovd94f9442010-03-25 17:12:41 +0300331 select GENERIC_CLOCKEVENTS
332 select ARM_GIC
Hans Ulli Kroll0b05da72010-12-02 12:32:15 +0100333 select MIGHT_HAVE_PCI
Anton Vorontsov5f32f7a2010-05-28 13:10:52 +0400334 select PCI_DOMAINS if PCI
Anton Vorontsovd94f9442010-03-25 17:12:41 +0300335 help
336 Support for Cavium Networks CNS3XXX platform.
337
Russell King788c9702009-04-26 14:21:59 +0100338config ARCH_GEMINI
339 bool "Cortina Systems Gemini"
340 select CPU_FA526
Russell King788c9702009-04-26 14:21:59 +0100341 select ARCH_REQUIRE_GPIOLIB
John Stultz5cfc8ee2010-03-24 00:22:36 +0000342 select ARCH_USES_GETTIMEOFFSET
Russell King788c9702009-04-26 14:21:59 +0100343 help
344 Support for the Cortina Systems Gemini family SoCs
345
Arnd Bergmann3a6cb8c2011-07-17 21:43:26 +0200346config ARCH_PRIMA2
347 bool "CSR SiRFSoC PRIMA2 ARM Cortex A9 Platform"
348 select CPU_V7
349 select GENERIC_TIME
350 select NO_IOPORT
351 select GENERIC_CLOCKEVENTS
352 select CLKDEV_LOOKUP
353 select GENERIC_IRQ_CHIP
354 select USE_OF
355 select ZONE_DMA
356 help
357 Support for CSR SiRFSoC ARM Cortex A9 Platform
358
Linus Torvalds1da177e2005-04-16 15:20:36 -0700359config ARCH_EBSA110
360 bool "EBSA-110"
Russell Kingc7508152008-10-26 10:55:14 +0000361 select CPU_SA110
Russell Kingf7e68bb2005-05-05 14:49:01 +0100362 select ISA
Russell Kingc5eb2a22007-03-03 11:54:19 +0000363 select NO_IOPORT
John Stultz5cfc8ee2010-03-24 00:22:36 +0000364 select ARCH_USES_GETTIMEOFFSET
Linus Torvalds1da177e2005-04-16 15:20:36 -0700365 help
366 This is an evaluation board for the StrongARM processor available
Martin Michlmayrf6c89652006-02-08 21:09:07 +0000367 from Digital. It has limited hardware on-board, including an
Linus Torvalds1da177e2005-04-16 15:20:36 -0700368 Ethernet interface, two PCMCIA sockets, two serial ports and a
369 parallel port.
370
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000371config ARCH_EP93XX
372 bool "EP93xx-based"
Russell Kingc7508152008-10-26 10:55:14 +0000373 select CPU_ARM920T
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000374 select ARM_AMBA
375 select ARM_VIC
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100376 select CLKDEV_LOOKUP
Michael Buesch7444a722008-07-25 01:46:11 -0700377 select ARCH_REQUIRE_GPIOLIB
Mel Gormaneb335752009-05-13 17:34:48 +0100378 select ARCH_HAS_HOLES_MEMORYMODEL
John Stultz5cfc8ee2010-03-24 00:22:36 +0000379 select ARCH_USES_GETTIMEOFFSET
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000380 help
381 This enables support for the Cirrus EP93xx series of CPUs.
382
Linus Torvalds1da177e2005-04-16 15:20:36 -0700383config ARCH_FOOTBRIDGE
384 bool "FootBridge"
Russell Kingc7508152008-10-26 10:55:14 +0000385 select CPU_SA110
Linus Torvalds1da177e2005-04-16 15:20:36 -0700386 select FOOTBRIDGE
Russell King4e8d7632011-01-28 21:00:39 +0000387 select GENERIC_CLOCKEVENTS
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000388 help
389 Support for systems based on the DC21285 companion chip
390 ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700391
Russell King788c9702009-04-26 14:21:59 +0100392config ARCH_MXC
393 bool "Freescale MXC/iMX-based"
Russell King788c9702009-04-26 14:21:59 +0100394 select GENERIC_CLOCKEVENTS
Russell King788c9702009-04-26 14:21:59 +0100395 select ARCH_REQUIRE_GPIOLIB
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100396 select CLKDEV_LOOKUP
Russell King234b6ced2011-05-08 14:09:47 +0100397 select CLKSRC_MMIO
Shawn Guo8b6c44f2011-06-07 13:59:14 +0800398 select GENERIC_IRQ_CHIP
Jan Weitzelc124bef2011-03-17 13:44:30 +0100399 select HAVE_SCHED_CLOCK
Russell King788c9702009-04-26 14:21:59 +0100400 help
401 Support for Freescale MXC/iMX-based family of processors
402
Shawn Guo1d3f33d2010-12-13 20:55:03 +0800403config ARCH_MXS
404 bool "Freescale MXS-based"
405 select GENERIC_CLOCKEVENTS
406 select ARCH_REQUIRE_GPIOLIB
Sascha Hauerb9214b92011-01-13 16:59:25 +0100407 select CLKDEV_LOOKUP
Russell King5c61ddc2011-05-08 17:21:49 +0100408 select CLKSRC_MMIO
Shawn Guo1d3f33d2010-12-13 20:55:03 +0800409 help
410 Support for Freescale MXS-based family of processors
411
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100412config ARCH_NETX
413 bool "Hilscher NetX based"
Russell King234b6ced2011-05-08 14:09:47 +0100414 select CLKSRC_MMIO
Russell Kingc7508152008-10-26 10:55:14 +0000415 select CPU_ARM926T
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100416 select ARM_VIC
Uwe Kleine-König2fcfe6b2008-12-09 21:57:24 +0100417 select GENERIC_CLOCKEVENTS
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000418 help
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100419 This enables support for systems based on the Hilscher NetX Soc
420
421config ARCH_H720X
422 bool "Hynix HMS720x-based"
Russell Kingc7508152008-10-26 10:55:14 +0000423 select CPU_ARM720T
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100424 select ISA_DMA_API
John Stultz5cfc8ee2010-03-24 00:22:36 +0000425 select ARCH_USES_GETTIMEOFFSET
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100426 help
427 This enables support for systems based on the Hynix HMS720x
428
Russell King3b938be2007-05-12 11:25:44 +0100429config ARCH_IOP13XX
430 bool "IOP13xx-based"
431 depends on MMU
Russell Kingc7508152008-10-26 10:55:14 +0000432 select CPU_XSC3
Russell King3b938be2007-05-12 11:25:44 +0100433 select PLAT_IOP
434 select PCI
435 select ARCH_SUPPORTS_MSI
Lennert Buytenhek8d5796d2008-08-25 21:03:32 +0100436 select VMSPLIT_1G
Russell King3b938be2007-05-12 11:25:44 +0100437 help
438 Support for Intel's IOP13XX (XScale) family of processors.
439
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100440config ARCH_IOP32X
441 bool "IOP32x-based"
Russell Kinga4f7e762006-06-28 12:52:41 +0100442 depends on MMU
Russell Kingc7508152008-10-26 10:55:14 +0000443 select CPU_XSCALE
Lennert Buytenhek7ae1f7e2006-09-18 23:12:53 +0100444 select PLAT_IOP
Russell Kingf7e68bb2005-05-05 14:49:01 +0100445 select PCI
Russell Kingbb2b1802008-07-26 15:36:03 +0100446 select ARCH_REQUIRE_GPIOLIB
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000447 help
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100448 Support for Intel's 80219 and IOP32X (XScale) family of
449 processors.
450
451config ARCH_IOP33X
452 bool "IOP33x-based"
453 depends on MMU
Russell Kingc7508152008-10-26 10:55:14 +0000454 select CPU_XSCALE
Lennert Buytenhek7ae1f7e2006-09-18 23:12:53 +0100455 select PLAT_IOP
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100456 select PCI
Russell Kingbb2b1802008-07-26 15:36:03 +0100457 select ARCH_REQUIRE_GPIOLIB
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100458 help
459 Support for Intel's IOP33X (XScale) family of processors.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700460
Russell King3b938be2007-05-12 11:25:44 +0100461config ARCH_IXP23XX
462 bool "IXP23XX-based"
Dan Williams588ef762007-02-13 17:12:04 +0100463 depends on MMU
Russell Kingc7508152008-10-26 10:55:14 +0000464 select CPU_XSC3
Russell King3b938be2007-05-12 11:25:44 +0100465 select PCI
John Stultz5cfc8ee2010-03-24 00:22:36 +0000466 select ARCH_USES_GETTIMEOFFSET
Dan Williams285f5fa2006-12-07 02:59:39 +0100467 help
Russell King3b938be2007-05-12 11:25:44 +0100468 Support for Intel's IXP23xx (XScale) family of processors.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700469
470config ARCH_IXP2000
471 bool "IXP2400/2800-based"
Russell Kinga4f7e762006-06-28 12:52:41 +0100472 depends on MMU
Russell Kingc7508152008-10-26 10:55:14 +0000473 select CPU_XSCALE
Russell Kingf7e68bb2005-05-05 14:49:01 +0100474 select PCI
John Stultz5cfc8ee2010-03-24 00:22:36 +0000475 select ARCH_USES_GETTIMEOFFSET
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000476 help
477 Support for Intel's IXP2400/2800 (XScale) family of processors.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700478
Russell King3b938be2007-05-12 11:25:44 +0100479config ARCH_IXP4XX
480 bool "IXP4xx-based"
Russell Kinga4f7e762006-06-28 12:52:41 +0100481 depends on MMU
Russell King234b6ced2011-05-08 14:09:47 +0100482 select CLKSRC_MMIO
Russell Kingc7508152008-10-26 10:55:14 +0000483 select CPU_XSCALE
Milan Svoboda8858e9a2007-05-14 07:50:42 +0100484 select GENERIC_GPIO
Russell King3b938be2007-05-12 11:25:44 +0100485 select GENERIC_CLOCKEVENTS
Russell King5b0d4952010-12-15 21:23:13 +0000486 select HAVE_SCHED_CLOCK
Hans Ulli Kroll0b05da72010-12-02 12:32:15 +0100487 select MIGHT_HAVE_PCI
Russell King485bdde2008-10-17 14:00:43 +0100488 select DMABOUNCE if PCI
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100489 help
Russell King3b938be2007-05-12 11:25:44 +0100490 Support for Intel's IXP4XX (XScale) family of processors.
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100491
Saeed Bisharaedabd382009-08-06 15:12:43 +0300492config ARCH_DOVE
493 bool "Marvell Dove"
Konstantin Porotchkin7b769bb2011-04-07 13:49:41 +0300494 select CPU_V7
Saeed Bisharaedabd382009-08-06 15:12:43 +0300495 select PCI
Saeed Bisharaedabd382009-08-06 15:12:43 +0300496 select ARCH_REQUIRE_GPIOLIB
Saeed Bisharaedabd382009-08-06 15:12:43 +0300497 select GENERIC_CLOCKEVENTS
498 select PLAT_ORION
499 help
500 Support for the Marvell Dove SoC 88AP510
501
Saeed Bishara651c74c2008-06-22 22:45:06 +0200502config ARCH_KIRKWOOD
503 bool "Marvell Kirkwood"
Russell Kingc7508152008-10-26 10:55:14 +0000504 select CPU_FEROCEON
Saeed Bishara651c74c2008-06-22 22:45:06 +0200505 select PCI
Erik Benadaa8865652009-05-28 17:08:55 -0700506 select ARCH_REQUIRE_GPIOLIB
Saeed Bishara651c74c2008-06-22 22:45:06 +0200507 select GENERIC_CLOCKEVENTS
508 select PLAT_ORION
509 help
510 Support for the following Marvell Kirkwood series SoCs:
511 88F6180, 88F6192 and 88F6281.
512
Kevin Wells40805942010-07-27 08:49:04 -0700513config ARCH_LPC32XX
514 bool "NXP LPC32XX"
Russell King234b6ced2011-05-08 14:09:47 +0100515 select CLKSRC_MMIO
Kevin Wells40805942010-07-27 08:49:04 -0700516 select CPU_ARM926T
517 select ARCH_REQUIRE_GPIOLIB
518 select HAVE_IDE
519 select ARM_AMBA
520 select USB_ARCH_HAS_OHCI
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100521 select CLKDEV_LOOKUP
Kevin Wells40805942010-07-27 08:49:04 -0700522 select GENERIC_TIME
523 select GENERIC_CLOCKEVENTS
524 help
525 Support for the NXP LPC32XX family of processors
526
Russell King788c9702009-04-26 14:21:59 +0100527config ARCH_MV78XX0
528 bool "Marvell MV78xx0"
529 select CPU_FEROCEON
530 select PCI
Erik Benadaa8865652009-05-28 17:08:55 -0700531 select ARCH_REQUIRE_GPIOLIB
Russell King788c9702009-04-26 14:21:59 +0100532 select GENERIC_CLOCKEVENTS
533 select PLAT_ORION
534 help
535 Support for the following Marvell MV78xx0 series SoCs:
536 MV781x0, MV782x0.
537
538config ARCH_ORION5X
539 bool "Marvell Orion"
540 depends on MMU
541 select CPU_FEROCEON
542 select PCI
Erik Benadaa8865652009-05-28 17:08:55 -0700543 select ARCH_REQUIRE_GPIOLIB
Russell King788c9702009-04-26 14:21:59 +0100544 select GENERIC_CLOCKEVENTS
545 select PLAT_ORION
546 help
547 Support for the following Marvell Orion 5x series SoCs:
548 Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182),
549 Orion-2 (5281), Orion-1-90 (6183).
550
551config ARCH_MMP
Haojian Zhuang2f7e8fa2009-12-04 09:41:28 -0500552 bool "Marvell PXA168/910/MMP2"
Russell King788c9702009-04-26 14:21:59 +0100553 depends on MMU
Russell King788c9702009-04-26 14:21:59 +0100554 select ARCH_REQUIRE_GPIOLIB
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100555 select CLKDEV_LOOKUP
Russell King788c9702009-04-26 14:21:59 +0100556 select GENERIC_CLOCKEVENTS
Russell King28bb7bc2010-12-15 21:46:48 +0000557 select HAVE_SCHED_CLOCK
Russell King788c9702009-04-26 14:21:59 +0100558 select TICK_ONESHOT
559 select PLAT_PXA
Haojian Zhuang0bd86962010-09-08 09:42:42 -0400560 select SPARSE_IRQ
Russell King788c9702009-04-26 14:21:59 +0100561 help
Haojian Zhuang2f7e8fa2009-12-04 09:41:28 -0500562 Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line.
Russell King788c9702009-04-26 14:21:59 +0100563
Andrew Victorc53c9cf2007-05-11 21:01:28 +0100564config ARCH_KS8695
565 bool "Micrel/Kendin KS8695"
Russell Kingc7508152008-10-26 10:55:14 +0000566 select CPU_ARM922T
Hartley Sweeten98830bc2010-05-17 17:18:10 +0100567 select ARCH_REQUIRE_GPIOLIB
John Stultz5cfc8ee2010-03-24 00:22:36 +0000568 select ARCH_USES_GETTIMEOFFSET
Andrew Victorc53c9cf2007-05-11 21:01:28 +0100569 help
570 Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based
571 System-on-Chip devices.
572
Russell King788c9702009-04-26 14:21:59 +0100573config ARCH_W90X900
574 bool "Nuvoton W90X900 CPU"
575 select CPU_ARM926T
wanzongshunc52d3d62009-06-10 15:49:32 +0100576 select ARCH_REQUIRE_GPIOLIB
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100577 select CLKDEV_LOOKUP
Russell King6fa5d5f2011-05-08 15:34:39 +0100578 select CLKSRC_MMIO
wanzongshun58b53692009-08-14 15:36:44 +0100579 select GENERIC_CLOCKEVENTS
Lennert Buytenhek777f9be2008-06-22 22:45:02 +0200580 help
wanzongshuna8bc4ea2009-08-14 15:38:29 +0100581 Support for Nuvoton (Winbond logic dept.) ARM9 processor,
582 At present, the w90x900 has been renamed nuc900, regarding
583 the ARM series product line, you can login the following
584 link address to know more.
585
586 <http://www.nuvoton.com/hq/enu/ProductAndSales/ProductLines/
587 ConsumerElectronicsIC/ARMMicrocontroller/ARMMicrocontroller>
Tzachi Perelstein585cf172007-10-23 15:14:41 -0400588
wanzongshuna62e9032009-12-31 15:06:05 +0100589config ARCH_NUC93X
590 bool "Nuvoton NUC93X CPU"
591 select CPU_ARM926T
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100592 select CLKDEV_LOOKUP
wanzongshuna62e9032009-12-31 15:06:05 +0100593 help
594 Support for Nuvoton (Winbond logic dept.) NUC93X MCU,The NUC93X is a
595 low-power and high performance MPEG-4/JPEG multimedia controller chip.
596
Erik Gillingc5f80062010-01-21 16:53:02 -0800597config ARCH_TEGRA
598 bool "NVIDIA Tegra"
Russell King40737232011-01-06 22:32:52 +0000599 select CLKDEV_LOOKUP
Russell King234b6ced2011-05-08 14:09:47 +0100600 select CLKSRC_MMIO
Erik Gillingc5f80062010-01-21 16:53:02 -0800601 select GENERIC_TIME
602 select GENERIC_CLOCKEVENTS
603 select GENERIC_GPIO
604 select HAVE_CLK
Russell Kinge3f4c0a2010-12-15 21:49:42 +0000605 select HAVE_SCHED_CLOCK
Colin Cross7056d422010-04-22 20:30:13 -0700606 select ARCH_HAS_CPUFREQ
Erik Gillingc5f80062010-01-21 16:53:02 -0800607 help
608 This enables support for NVIDIA Tegra based systems (Tegra APX,
609 Tegra 6xx and Tegra 2 series).
610
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100611config ARCH_PNX4008
612 bool "Philips Nexperia PNX4008 Mobile"
Russell Kingc7508152008-10-26 10:55:14 +0000613 select CPU_ARM926T
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100614 select CLKDEV_LOOKUP
John Stultz5cfc8ee2010-03-24 00:22:36 +0000615 select ARCH_USES_GETTIMEOFFSET
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100616 help
617 This enables support for Philips PNX4008 mobile platform.
618
Linus Torvalds1da177e2005-04-16 15:20:36 -0700619config ARCH_PXA
eric miao2c8086a2007-09-11 19:13:17 -0700620 bool "PXA2xx/PXA3xx-based"
Russell Kinga4f7e762006-06-28 12:52:41 +0100621 depends on MMU
Al Viro034d2f52005-12-19 16:27:59 -0500622 select ARCH_MTD_XIP
Ben Dooks89c52ed2009-07-30 23:23:24 +0100623 select ARCH_HAS_CPUFREQ
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100624 select CLKDEV_LOOKUP
Russell King234b6ced2011-05-08 14:09:47 +0100625 select CLKSRC_MMIO
Michael Buesch7444a722008-07-25 01:46:11 -0700626 select ARCH_REQUIRE_GPIOLIB
Eric Miao981d0f32007-07-24 01:22:43 +0100627 select GENERIC_CLOCKEVENTS
Russell King7ce83012010-12-15 21:48:15 +0000628 select HAVE_SCHED_CLOCK
Russell Kinga88264c2007-11-12 22:45:16 +0000629 select TICK_ONESHOT
Eric Miaobd5ce432009-01-20 12:06:01 +0800630 select PLAT_PXA
Haojian Zhuang6ac6b812010-08-20 15:23:59 +0800631 select SPARSE_IRQ
Eric Miao4e234cc2011-04-04 15:06:33 +0800632 select AUTO_ZRELADDR
Eric Miao8a97ae22011-05-18 21:30:04 +0800633 select MULTI_IRQ_HANDLER
Arnd Bergmann15e0d9e2011-10-01 21:09:39 +0200634 select ARM_CPU_SUSPEND if PM
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000635 help
eric miao2c8086a2007-09-11 19:13:17 -0700636 Support for Intel/Marvell's PXA2xx/PXA3xx processor line.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700637
Russell King788c9702009-04-26 14:21:59 +0100638config ARCH_MSM
639 bool "Qualcomm MSM"
Steve Muckle4b536b82008-12-29 16:17:22 -0500640 select HAVE_CLK
Eric Miao49cbe782009-01-20 14:15:18 +0800641 select GENERIC_CLOCKEVENTS
Pavel Machek923a0812010-06-02 11:11:12 -0700642 select ARCH_REQUIRE_GPIOLIB
Stephen Boydbd323442011-02-23 09:37:42 -0800643 select CLKDEV_LOOKUP
Eric Miao49cbe782009-01-20 14:15:18 +0800644 help
Daniel Walker4b53eb42010-01-01 15:11:43 -0800645 Support for Qualcomm MSM/QSD based systems. This runs on the
646 apps processor of the MSM/QSD and depends on a shared memory
647 interface to the modem processor which runs the baseband
648 stack and controls some vital subsystems
649 (clock and power control, etc).
Eric Miao49cbe782009-01-20 14:15:18 +0800650
Magnus Dammc793c1b2010-02-05 11:14:49 +0000651config ARCH_SHMOBILE
Paul Mundt6d72ad32010-11-16 16:10:20 +0900652 bool "Renesas SH-Mobile / R-Mobile"
653 select HAVE_CLK
Paul Mundt5e93c6b2011-01-07 10:29:26 +0900654 select CLKDEV_LOOKUP
Kyungmin Parkaa3831c2011-07-18 16:34:54 +0900655 select HAVE_MACH_CLKDEV
Paul Mundt6d72ad32010-11-16 16:10:20 +0900656 select GENERIC_CLOCKEVENTS
657 select NO_IOPORT
658 select SPARSE_IRQ
Magnus Damm60f14352010-12-28 08:26:52 +0000659 select MULTI_IRQ_HANDLER
Rafael J. Wysockie3e01092011-07-01 22:13:56 +0200660 select PM_GENERIC_DOMAINS if PM
Magnus Dammc793c1b2010-02-05 11:14:49 +0000661 help
Paul Mundt6d72ad32010-11-16 16:10:20 +0900662 Support for Renesas's SH-Mobile and R-Mobile ARM platforms.
Magnus Dammc793c1b2010-02-05 11:14:49 +0000663
Linus Torvalds1da177e2005-04-16 15:20:36 -0700664config ARCH_RPC
665 bool "RiscPC"
666 select ARCH_ACORN
667 select FIQ
668 select TIMER_ACORN
viro@ZenIV.linux.org.uka08b6b72005-09-06 01:48:42 +0100669 select ARCH_MAY_HAVE_PC_FDC
Ben Dooks341eb782008-07-01 14:16:49 +0100670 select HAVE_PATA_PLATFORM
Russell King065909b2006-01-04 15:44:16 +0000671 select ISA_DMA_API
Al Viro5ea81762007-02-11 15:41:31 +0000672 select NO_IOPORT
Russell King07f841b2008-10-01 17:11:06 +0100673 select ARCH_SPARSEMEM_ENABLE
John Stultz5cfc8ee2010-03-24 00:22:36 +0000674 select ARCH_USES_GETTIMEOFFSET
Linus Torvalds1da177e2005-04-16 15:20:36 -0700675 help
676 On the Acorn Risc-PC, Linux can support the internal IDE disk and
677 CD-ROM interface, serial and parallel port, and the floppy drive.
678
679config ARCH_SA1100
680 bool "SA1100-based"
Russell King234b6ced2011-05-08 14:09:47 +0100681 select CLKSRC_MMIO
Russell Kingc7508152008-10-26 10:55:14 +0000682 select CPU_SA1100
Russell Kingf7e68bb2005-05-05 14:49:01 +0100683 select ISA
Russell King05944d72006-11-30 20:43:51 +0000684 select ARCH_SPARSEMEM_ENABLE
Al Viro034d2f52005-12-19 16:27:59 -0500685 select ARCH_MTD_XIP
Ben Dooks89c52ed2009-07-30 23:23:24 +0100686 select ARCH_HAS_CPUFREQ
Russell King1937f5b2009-12-12 16:20:57 +0000687 select CPU_FREQ
Russell King3e238be2008-04-14 23:03:10 +0100688 select GENERIC_CLOCKEVENTS
David Brownell9483a572008-07-23 21:26:48 -0700689 select HAVE_CLK
Russell King5094b922010-12-15 21:49:06 +0000690 select HAVE_SCHED_CLOCK
Russell King3e238be2008-04-14 23:03:10 +0100691 select TICK_ONESHOT
Michael Buesch7444a722008-07-25 01:46:11 -0700692 select ARCH_REQUIRE_GPIOLIB
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000693 help
694 Support for StrongARM 11x0 based boards.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700695
696config ARCH_S3C2410
Ben Dooks63b1f512010-04-30 16:32:26 +0900697 bool "Samsung S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443, S3C2450"
David Brownell0a938b92007-03-05 00:30:18 -0800698 select GENERIC_GPIO
Ben Dooks9d56c022009-07-30 23:23:25 +0100699 select ARCH_HAS_CPUFREQ
David Brownell9483a572008-07-23 21:26:48 -0700700 select HAVE_CLK
Thomas Abrahame83626f2011-06-14 19:12:26 +0900701 select CLKDEV_LOOKUP
John Stultz5cfc8ee2010-03-24 00:22:36 +0000702 select ARCH_USES_GETTIMEOFFSET
Kukjin Kim20676c12010-11-13 16:08:32 +0900703 select HAVE_S3C2410_I2C if I2C
Linus Torvalds1da177e2005-04-16 15:20:36 -0700704 help
705 Samsung S3C2410X CPU based systems, such as the Simtec Electronics
706 BAST (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or
Martin Michlmayrf6c89652006-02-08 21:09:07 +0000707 the Samsung SMDK2410 development board (and derivatives).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700708
Ben Dooks63b1f512010-04-30 16:32:26 +0900709 Note, the S3C2416 and the S3C2450 are so close that they even share
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300710 the same SoC ID code. This means that there is no separate machine
Ben Dooks63b1f512010-04-30 16:32:26 +0900711 directory (no arch/arm/mach-s3c2450) as the S3C2416 was first.
712
Ben Dooksa08ab632008-10-21 14:06:39 +0100713config ARCH_S3C64XX
714 bool "Samsung S3C64XX"
Ben Dooks89f1fa02010-01-29 09:02:17 +0000715 select PLAT_SAMSUNG
Ben Dooks89f0ce72010-01-26 15:49:15 +0900716 select CPU_V6
Ben Dooks89f0ce72010-01-26 15:49:15 +0900717 select ARM_VIC
Ben Dooksa08ab632008-10-21 14:06:39 +0100718 select HAVE_CLK
Thomas Abraham226e85f2011-06-14 19:12:26 +0900719 select CLKDEV_LOOKUP
Ben Dooks89f0ce72010-01-26 15:49:15 +0900720 select NO_IOPORT
John Stultz5cfc8ee2010-03-24 00:22:36 +0000721 select ARCH_USES_GETTIMEOFFSET
Ben Dooks89c52ed2009-07-30 23:23:24 +0100722 select ARCH_HAS_CPUFREQ
Ben Dooks89f0ce72010-01-26 15:49:15 +0900723 select ARCH_REQUIRE_GPIOLIB
724 select SAMSUNG_CLKSRC
725 select SAMSUNG_IRQ_VIC_TIMER
726 select SAMSUNG_IRQ_UART
727 select S3C_GPIO_TRACK
728 select S3C_GPIO_PULL_UPDOWN
729 select S3C_GPIO_CFG_S3C24XX
730 select S3C_GPIO_CFG_S3C64XX
731 select S3C_DEV_NAND
732 select USB_ARCH_HAS_OHCI
733 select SAMSUNG_GPIOLIB_4BIT
Kukjin Kim20676c12010-11-13 16:08:32 +0900734 select HAVE_S3C2410_I2C if I2C
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900735 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Ben Dooksa08ab632008-10-21 14:06:39 +0100736 help
737 Samsung S3C64XX series based systems
738
Kukjin Kim49b7a492010-09-07 15:47:18 +0900739config ARCH_S5P64X0
740 bool "Samsung S5P6440 S5P6450"
Kukjin Kimc4ffccd2010-01-14 08:19:36 +0900741 select CPU_V6
742 select GENERIC_GPIO
743 select HAVE_CLK
Thomas Abrahamd8b22d22011-06-14 19:12:27 +0900744 select CLKDEV_LOOKUP
Chanwoo Choi0665ccc2011-07-18 15:07:14 +0900745 select CLKSRC_MMIO
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900746 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Sangbeom Kim9e65bbf2011-03-12 08:05:19 +0900747 select GENERIC_CLOCKEVENTS
748 select HAVE_SCHED_CLOCK
Kukjin Kim20676c12010-11-13 16:08:32 +0900749 select HAVE_S3C2410_I2C if I2C
Kukjin Kim754961a2010-11-13 16:11:46 +0900750 select HAVE_S3C_RTC if RTC_CLASS
Kukjin Kimc4ffccd2010-01-14 08:19:36 +0900751 help
Kukjin Kim49b7a492010-09-07 15:47:18 +0900752 Samsung S5P64X0 CPU based systems, such as the Samsung SMDK6440,
753 SMDK6450.
Kukjin Kimc4ffccd2010-01-14 08:19:36 +0900754
Marek Szyprowskiacc84702010-05-20 07:51:08 +0200755config ARCH_S5PC100
756 bool "Samsung S5PC100"
Byungho Min5a7652f2009-06-23 21:39:42 +0900757 select GENERIC_GPIO
758 select HAVE_CLK
Thomas Abraham29e8eb02011-06-14 19:12:27 +0900759 select CLKDEV_LOOKUP
Byungho Min5a7652f2009-06-23 21:39:42 +0900760 select CPU_V7
Kukjin Kimd6d502f2010-02-22 00:02:59 +0100761 select ARM_L1_CACHE_SHIFT_6
Ben Dooks925c68c2010-05-20 20:48:28 +0900762 select ARCH_USES_GETTIMEOFFSET
Kukjin Kim20676c12010-11-13 16:08:32 +0900763 select HAVE_S3C2410_I2C if I2C
Kukjin Kim754961a2010-11-13 16:11:46 +0900764 select HAVE_S3C_RTC if RTC_CLASS
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900765 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Byungho Min5a7652f2009-06-23 21:39:42 +0900766 help
Marek Szyprowskiacc84702010-05-20 07:51:08 +0200767 Samsung S5PC100 series based systems
Byungho Min5a7652f2009-06-23 21:39:42 +0900768
Kukjin Kim170f4e42010-02-24 16:40:44 +0900769config ARCH_S5PV210
770 bool "Samsung S5PV210/S5PC110"
771 select CPU_V7
Kyungmin Parkeecb6a82010-09-29 21:29:27 +0900772 select ARCH_SPARSEMEM_ENABLE
Kamil Debski0f75a962011-07-21 16:42:30 +0900773 select ARCH_HAS_HOLES_MEMORYMODEL
Kukjin Kim170f4e42010-02-24 16:40:44 +0900774 select GENERIC_GPIO
775 select HAVE_CLK
Thomas Abrahamb2a9dd42011-06-14 19:12:27 +0900776 select CLKDEV_LOOKUP
Chanwoo Choi0665ccc2011-07-18 15:07:14 +0900777 select CLKSRC_MMIO
Kukjin Kim170f4e42010-02-24 16:40:44 +0900778 select ARM_L1_CACHE_SHIFT_6
Jaecheol Leed8144ae2010-10-12 09:23:19 +0900779 select ARCH_HAS_CPUFREQ
Sangbeom Kim9e65bbf2011-03-12 08:05:19 +0900780 select GENERIC_CLOCKEVENTS
781 select HAVE_SCHED_CLOCK
Kukjin Kim20676c12010-11-13 16:08:32 +0900782 select HAVE_S3C2410_I2C if I2C
Kukjin Kim754961a2010-11-13 16:11:46 +0900783 select HAVE_S3C_RTC if RTC_CLASS
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900784 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Kukjin Kim170f4e42010-02-24 16:40:44 +0900785 help
786 Samsung S5PV210/S5PC110 series based systems
787
Kukjin Kim10606aa2011-02-14 15:05:27 +0900788config ARCH_EXYNOS4
789 bool "Samsung EXYNOS4"
Changhwan Youncc0e72b2010-07-16 12:15:38 +0900790 select CPU_V7
Kyungmin Parkf567fa62010-09-29 21:33:29 +0900791 select ARCH_SPARSEMEM_ENABLE
Kamil Debski0f75a962011-07-21 16:42:30 +0900792 select ARCH_HAS_HOLES_MEMORYMODEL
Changhwan Youncc0e72b2010-07-16 12:15:38 +0900793 select GENERIC_GPIO
794 select HAVE_CLK
Thomas Abrahambadc4f22011-06-14 19:12:27 +0900795 select CLKDEV_LOOKUP
Sunyoung Kangb333fb12010-09-16 11:11:45 +0900796 select ARCH_HAS_CPUFREQ
Changhwan Youncc0e72b2010-07-16 12:15:38 +0900797 select GENERIC_CLOCKEVENTS
Kukjin Kim754961a2010-11-13 16:11:46 +0900798 select HAVE_S3C_RTC if RTC_CLASS
Kukjin Kim20676c12010-11-13 16:08:32 +0900799 select HAVE_S3C2410_I2C if I2C
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900800 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Changhwan Youncc0e72b2010-07-16 12:15:38 +0900801 help
Kukjin Kim10606aa2011-02-14 15:05:27 +0900802 Samsung EXYNOS4 series based systems
Changhwan Youncc0e72b2010-07-16 12:15:38 +0900803
Linus Torvalds1da177e2005-04-16 15:20:36 -0700804config ARCH_SHARK
805 bool "Shark"
Russell Kingc7508152008-10-26 10:55:14 +0000806 select CPU_SA110
Russell Kingf7e68bb2005-05-05 14:49:01 +0100807 select ISA
808 select ISA_DMA
Nicolas Pitre3bca1032008-10-07 20:14:55 +0100809 select ZONE_DMA
Russell Kingf7e68bb2005-05-05 14:49:01 +0100810 select PCI
John Stultz5cfc8ee2010-03-24 00:22:36 +0000811 select ARCH_USES_GETTIMEOFFSET
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000812 help
813 Support for the StrongARM based Digital DNARD machine, also known
814 as "Shark" (<http://www.shark-linux.de/shark.html>).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700815
Hans J. Koch83ef3332010-09-17 18:13:56 +0200816config ARCH_TCC_926
817 bool "Telechips TCC ARM926-based systems"
Russell King234b6ced2011-05-08 14:09:47 +0100818 select CLKSRC_MMIO
Hans J. Koch83ef3332010-09-17 18:13:56 +0200819 select CPU_ARM926T
820 select HAVE_CLK
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100821 select CLKDEV_LOOKUP
Hans J. Koch83ef3332010-09-17 18:13:56 +0200822 select GENERIC_CLOCKEVENTS
823 help
824 Support for Telechips TCC ARM926-based systems.
825
Linus Walleijd98aac72009-04-27 10:21:46 +0100826config ARCH_U300
827 bool "ST-Ericsson U300 Series"
828 depends on MMU
Russell King234b6ced2011-05-08 14:09:47 +0100829 select CLKSRC_MMIO
Linus Walleijd98aac72009-04-27 10:21:46 +0100830 select CPU_ARM926T
Russell King5c21b7c2010-12-15 21:50:14 +0000831 select HAVE_SCHED_CLOCK
Linus Walleijbc581772009-09-15 17:30:37 +0100832 select HAVE_TCM
Linus Walleijd98aac72009-04-27 10:21:46 +0100833 select ARM_AMBA
834 select ARM_VIC
Linus Walleijd98aac72009-04-27 10:21:46 +0100835 select GENERIC_CLOCKEVENTS
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100836 select CLKDEV_LOOKUP
Kyungmin Parkaa3831c2011-07-18 16:34:54 +0900837 select HAVE_MACH_CLKDEV
Linus Walleijd98aac72009-04-27 10:21:46 +0100838 select GENERIC_GPIO
839 help
840 Support for ST-Ericsson U300 series mobile platforms.
841
Russell Kingccf50e22010-03-15 19:03:06 +0000842config ARCH_U8500
843 bool "ST-Ericsson U8500 Series"
844 select CPU_V7
845 select ARM_AMBA
Russell Kingccf50e22010-03-15 19:03:06 +0000846 select GENERIC_CLOCKEVENTS
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100847 select CLKDEV_LOOKUP
Rabin Vincent94bdc0e2010-03-03 04:54:37 +0100848 select ARCH_REQUIRE_GPIOLIB
Martin Persson7c1a70e2010-12-08 15:13:42 +0100849 select ARCH_HAS_CPUFREQ
Russell Kingccf50e22010-03-15 19:03:06 +0000850 help
851 Support for ST-Ericsson's Ux500 architecture
852
853config ARCH_NOMADIK
854 bool "STMicroelectronics Nomadik"
855 select ARM_AMBA
856 select ARM_VIC
857 select CPU_ARM926T
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100858 select CLKDEV_LOOKUP
Russell Kingccf50e22010-03-15 19:03:06 +0000859 select GENERIC_CLOCKEVENTS
Russell Kingccf50e22010-03-15 19:03:06 +0000860 select ARCH_REQUIRE_GPIOLIB
861 help
862 Support for the Nomadik platform by ST-Ericsson
863
Kevin Hilman7c6337e2007-04-30 19:37:19 +0100864config ARCH_DAVINCI
865 bool "TI DaVinci"
Kevin Hilman7c6337e2007-04-30 19:37:19 +0100866 select GENERIC_CLOCKEVENTS
David Brownelldce11152008-09-07 23:41:04 -0700867 select ARCH_REQUIRE_GPIOLIB
Nicolas Pitre3bca1032008-10-07 20:14:55 +0100868 select ZONE_DMA
Kevin Hilman9232fcc2009-04-08 14:49:38 -0700869 select HAVE_IDE
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100870 select CLKDEV_LOOKUP
David Brownell20e99692009-05-07 09:31:42 -0700871 select GENERIC_ALLOCATOR
Russell Kingdc7ad3b2011-05-22 10:01:21 +0100872 select GENERIC_IRQ_CHIP
Sekhar Noriae88e052009-11-19 15:34:01 +0530873 select ARCH_HAS_HOLES_MEMORYMODEL
Kevin Hilman7c6337e2007-04-30 19:37:19 +0100874 help
875 Support for TI's DaVinci platform.
876
Russell King3b938be2007-05-12 11:25:44 +0100877config ARCH_OMAP
878 bool "TI OMAP"
David Brownell9483a572008-07-23 21:26:48 -0700879 select HAVE_CLK
Michael Buesch7444a722008-07-25 01:46:11 -0700880 select ARCH_REQUIRE_GPIOLIB
Ben Dooks89c52ed2009-07-30 23:23:24 +0100881 select ARCH_HAS_CPUFREQ
Russell King - ARM Linux354a1832011-07-10 23:05:34 -0700882 select CLKSRC_MMIO
Kevin Hilman06cad092007-10-18 23:04:43 -0700883 select GENERIC_CLOCKEVENTS
Russell Kingdc548fb2010-12-15 21:53:51 +0000884 select HAVE_SCHED_CLOCK
Sriram9af915d2010-01-29 14:20:05 -0800885 select ARCH_HAS_HOLES_MEMORYMODEL
Russell King3b938be2007-05-12 11:25:44 +0100886 help
Lennert Buytenhek6e457bb2010-09-22 20:40:57 +0200887 Support for TI's OMAP platform (OMAP1/2/3/4).
Russell King3b938be2007-05-12 11:25:44 +0100888
viresh kumarcee37e52010-04-01 12:31:05 +0100889config PLAT_SPEAR
890 bool "ST SPEAr"
891 select ARM_AMBA
892 select ARCH_REQUIRE_GPIOLIB
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100893 select CLKDEV_LOOKUP
Russell Kingd6e15d72011-05-08 17:10:14 +0100894 select CLKSRC_MMIO
viresh kumarcee37e52010-04-01 12:31:05 +0100895 select GENERIC_CLOCKEVENTS
viresh kumarcee37e52010-04-01 12:31:05 +0100896 select HAVE_CLK
897 help
898 Support for ST's SPEAr platform (SPEAr3xx, SPEAr6xx and SPEAr13xx).
899
Alexey Charkov21f47fb2010-12-23 13:11:21 +0100900config ARCH_VT8500
901 bool "VIA/WonderMedia 85xx"
902 select CPU_ARM926T
903 select GENERIC_GPIO
904 select ARCH_HAS_CPUFREQ
905 select GENERIC_CLOCKEVENTS
906 select ARCH_REQUIRE_GPIOLIB
907 select HAVE_PWM
908 help
909 Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip.
Binghua Duan02c981c2011-07-08 17:40:12 +0800910
John Linnb85a3ef2011-06-20 11:47:27 -0600911config ARCH_ZYNQ
912 bool "Xilinx Zynq ARM Cortex A9 Platform"
Binghua Duan02c981c2011-07-08 17:40:12 +0800913 select CPU_V7
914 select GENERIC_TIME
Binghua Duan02c981c2011-07-08 17:40:12 +0800915 select GENERIC_CLOCKEVENTS
916 select CLKDEV_LOOKUP
John Linnb85a3ef2011-06-20 11:47:27 -0600917 select ARM_GIC
918 select ARM_AMBA
919 select ICST
Binghua Duan02c981c2011-07-08 17:40:12 +0800920 select USE_OF
Binghua Duan02c981c2011-07-08 17:40:12 +0800921 help
John Linnb85a3ef2011-06-20 11:47:27 -0600922 Support for Xilinx Zynq ARM Cortex A9 Platform
Linus Torvalds1da177e2005-04-16 15:20:36 -0700923endchoice
924
Russell Kingccf50e22010-03-15 19:03:06 +0000925#
926# This is sorted alphabetically by mach-* pathname. However, plat-*
927# Kconfigs may be included either alphabetically (according to the
928# plat- suffix) or along side the corresponding mach-* source.
929#
Russell King95b8f202010-01-14 11:43:54 +0000930source "arch/arm/mach-at91/Kconfig"
931
932source "arch/arm/mach-bcmring/Kconfig"
933
Linus Torvalds1da177e2005-04-16 15:20:36 -0700934source "arch/arm/mach-clps711x/Kconfig"
935
Anton Vorontsovd94f9442010-03-25 17:12:41 +0300936source "arch/arm/mach-cns3xxx/Kconfig"
937
Russell King95b8f202010-01-14 11:43:54 +0000938source "arch/arm/mach-davinci/Kconfig"
939
940source "arch/arm/mach-dove/Kconfig"
941
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000942source "arch/arm/mach-ep93xx/Kconfig"
943
Linus Torvalds1da177e2005-04-16 15:20:36 -0700944source "arch/arm/mach-footbridge/Kconfig"
945
Paulius Zaleckas59d3a192009-03-26 10:06:08 +0200946source "arch/arm/mach-gemini/Kconfig"
947
Russell King95b8f202010-01-14 11:43:54 +0000948source "arch/arm/mach-h720x/Kconfig"
949
Linus Torvalds1da177e2005-04-16 15:20:36 -0700950source "arch/arm/mach-integrator/Kconfig"
951
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100952source "arch/arm/mach-iop32x/Kconfig"
953
954source "arch/arm/mach-iop33x/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700955
Dan Williams285f5fa2006-12-07 02:59:39 +0100956source "arch/arm/mach-iop13xx/Kconfig"
957
Linus Torvalds1da177e2005-04-16 15:20:36 -0700958source "arch/arm/mach-ixp4xx/Kconfig"
959
960source "arch/arm/mach-ixp2000/Kconfig"
961
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100962source "arch/arm/mach-ixp23xx/Kconfig"
963
Russell King95b8f202010-01-14 11:43:54 +0000964source "arch/arm/mach-kirkwood/Kconfig"
965
966source "arch/arm/mach-ks8695/Kconfig"
967
Kevin Wells40805942010-07-27 08:49:04 -0700968source "arch/arm/mach-lpc32xx/Kconfig"
969
Russell King95b8f202010-01-14 11:43:54 +0000970source "arch/arm/mach-msm/Kconfig"
971
Stanislav Samsonov794d15b2008-06-22 22:45:10 +0200972source "arch/arm/mach-mv78xx0/Kconfig"
973
Russell King95b8f202010-01-14 11:43:54 +0000974source "arch/arm/plat-mxc/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700975
Shawn Guo1d3f33d2010-12-13 20:55:03 +0800976source "arch/arm/mach-mxs/Kconfig"
977
Russell King95b8f202010-01-14 11:43:54 +0000978source "arch/arm/mach-netx/Kconfig"
Eric Miao49cbe782009-01-20 14:15:18 +0800979
Russell King95b8f202010-01-14 11:43:54 +0000980source "arch/arm/mach-nomadik/Kconfig"
981source "arch/arm/plat-nomadik/Kconfig"
982
Russell Kingd91a89102010-02-04 18:13:17 +0000983source "arch/arm/mach-nuc93x/Kconfig"
984
Tony Lindgrend48af152005-07-10 19:58:17 +0100985source "arch/arm/plat-omap/Kconfig"
986
987source "arch/arm/mach-omap1/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700988
Tony Lindgren1dbae812005-11-10 14:26:51 +0000989source "arch/arm/mach-omap2/Kconfig"
990
Lennert Buytenhek9dd0b192008-03-27 14:51:41 -0400991source "arch/arm/mach-orion5x/Kconfig"
Tzachi Perelstein585cf172007-10-23 15:14:41 -0400992
Russell King95b8f202010-01-14 11:43:54 +0000993source "arch/arm/mach-pxa/Kconfig"
994source "arch/arm/plat-pxa/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700995
Russell King95b8f202010-01-14 11:43:54 +0000996source "arch/arm/mach-mmp/Kconfig"
997
998source "arch/arm/mach-realview/Kconfig"
999
1000source "arch/arm/mach-sa1100/Kconfig"
Saeed Bisharaedabd382009-08-06 15:12:43 +03001001
Ben Dookscf383672009-11-10 00:14:58 +00001002source "arch/arm/plat-samsung/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +01001003source "arch/arm/plat-s3c24xx/Kconfig"
Kukjin Kimc4ffccd2010-01-14 08:19:36 +09001004source "arch/arm/plat-s5p/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +01001005
viresh kumarcee37e52010-04-01 12:31:05 +01001006source "arch/arm/plat-spear/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +01001007
Hans J. Koch83ef3332010-09-17 18:13:56 +02001008source "arch/arm/plat-tcc/Kconfig"
1009
Ben Dooksa21765a2007-02-11 18:31:01 +01001010if ARCH_S3C2410
Linus Torvalds1da177e2005-04-16 15:20:36 -07001011source "arch/arm/mach-s3c2410/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +01001012source "arch/arm/mach-s3c2412/Kconfig"
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +09001013source "arch/arm/mach-s3c2416/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +01001014source "arch/arm/mach-s3c2440/Kconfig"
Ben Dookse4d06e32007-02-16 12:12:31 +01001015source "arch/arm/mach-s3c2443/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +01001016endif
Linus Torvalds1da177e2005-04-16 15:20:36 -07001017
Ben Dooksa08ab632008-10-21 14:06:39 +01001018if ARCH_S3C64XX
Ben Dooks431107e2010-01-26 10:11:04 +09001019source "arch/arm/mach-s3c64xx/Kconfig"
Ben Dooksa08ab632008-10-21 14:06:39 +01001020endif
1021
Kukjin Kim49b7a492010-09-07 15:47:18 +09001022source "arch/arm/mach-s5p64x0/Kconfig"
Kukjin Kimc4ffccd2010-01-14 08:19:36 +09001023
Byungho Min5a7652f2009-06-23 21:39:42 +09001024source "arch/arm/mach-s5pc100/Kconfig"
Byungho Min5a7652f2009-06-23 21:39:42 +09001025
Kukjin Kim170f4e42010-02-24 16:40:44 +09001026source "arch/arm/mach-s5pv210/Kconfig"
1027
Kukjin Kim10606aa2011-02-14 15:05:27 +09001028source "arch/arm/mach-exynos4/Kconfig"
Changhwan Youncc0e72b2010-07-16 12:15:38 +09001029
Russell King882d01f2010-03-02 23:40:15 +00001030source "arch/arm/mach-shmobile/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001031
Erik Gillingc5f80062010-01-21 16:53:02 -08001032source "arch/arm/mach-tegra/Kconfig"
1033
Russell King95b8f202010-01-14 11:43:54 +00001034source "arch/arm/mach-u300/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001035
Russell King95b8f202010-01-14 11:43:54 +00001036source "arch/arm/mach-ux500/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001037
1038source "arch/arm/mach-versatile/Kconfig"
1039
Russell Kingceade892010-02-11 21:44:53 +00001040source "arch/arm/mach-vexpress/Kconfig"
Russell King420c34e2011-01-18 20:08:06 +00001041source "arch/arm/plat-versatile/Kconfig"
Russell Kingceade892010-02-11 21:44:53 +00001042
Alexey Charkov21f47fb2010-12-23 13:11:21 +01001043source "arch/arm/mach-vt8500/Kconfig"
1044
wanzongshun7ec80dd2008-12-03 03:55:38 +01001045source "arch/arm/mach-w90x900/Kconfig"
1046
Linus Torvalds1da177e2005-04-16 15:20:36 -07001047# Definitions to make life easier
1048config ARCH_ACORN
1049 bool
1050
Lennert Buytenhek7ae1f7e2006-09-18 23:12:53 +01001051config PLAT_IOP
1052 bool
Mikael Pettersson469d30442009-10-29 11:46:54 -07001053 select GENERIC_CLOCKEVENTS
Russell King08f26b12010-12-15 21:52:10 +00001054 select HAVE_SCHED_CLOCK
Lennert Buytenhek7ae1f7e2006-09-18 23:12:53 +01001055
Lennert Buytenhek69b02f62008-03-27 14:51:39 -04001056config PLAT_ORION
1057 bool
Russell Kingbfe45e02011-05-08 15:33:30 +01001058 select CLKSRC_MMIO
Russell Kingdc7ad3b2011-05-22 10:01:21 +01001059 select GENERIC_IRQ_CHIP
Russell Kingf06a1622010-12-15 21:55:06 +00001060 select HAVE_SCHED_CLOCK
Lennert Buytenhek69b02f62008-03-27 14:51:39 -04001061
Eric Miaobd5ce432009-01-20 12:06:01 +08001062config PLAT_PXA
1063 bool
1064
Russell Kingf4b8b312010-01-14 12:48:06 +00001065config PLAT_VERSATILE
1066 bool
1067
Russell Kinge3887712010-01-14 13:30:16 +00001068config ARM_TIMER_SP804
1069 bool
Russell Kingbfe45e02011-05-08 15:33:30 +01001070 select CLKSRC_MMIO
Russell Kinge3887712010-01-14 13:30:16 +00001071
Linus Torvalds1da177e2005-04-16 15:20:36 -07001072source arch/arm/mm/Kconfig
1073
Lennert Buytenhekafe4b252006-12-03 18:51:14 +01001074config IWMMXT
1075 bool "Enable iWMMXt support"
Haojian Zhuangef6c8442010-11-24 11:54:25 +08001076 depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4
1077 default y if PXA27x || PXA3xx || PXA95x || ARCH_MMP
Lennert Buytenhekafe4b252006-12-03 18:51:14 +01001078 help
1079 Enable support for iWMMXt context switching at run time if
1080 running on a CPU that supports it.
1081
Linus Torvalds1da177e2005-04-16 15:20:36 -07001082# bool 'Use XScale PMU as timer source' CONFIG_XSCALE_PMU_TIMER
1083config XSCALE_PMU
1084 bool
1085 depends on CPU_XSCALE && !XSCALE_PMU_TIMER
1086 default y
1087
Jamie Iles0f4f0672010-02-02 20:23:15 +01001088config CPU_HAS_PMU
Russell Kinge399b1a2011-01-17 15:08:32 +00001089 depends on (CPU_V6 || CPU_V6K || CPU_V7 || XSCALE_PMU) && \
Will Deacon8954bb02010-06-21 15:32:54 +01001090 (!ARCH_OMAP3 || OMAP3_EMU)
Jamie Iles0f4f0672010-02-02 20:23:15 +01001091 default y
1092 bool
1093
eric miao52108642010-12-13 09:42:34 +01001094config MULTI_IRQ_HANDLER
1095 bool
1096 help
1097 Allow each machine to specify it's own IRQ handler at run time.
1098
Hyok S. Choi3b93e7b2006-06-22 11:48:56 +01001099if !MMU
1100source "arch/arm/Kconfig-nommu"
1101endif
1102
Catalin Marinas9cba3cc2009-04-30 17:06:03 +01001103config ARM_ERRATA_411920
1104 bool "ARM errata: Invalidation of the Instruction Cache operation can fail"
Russell Kinge399b1a2011-01-17 15:08:32 +00001105 depends on CPU_V6 || CPU_V6K
Catalin Marinas9cba3cc2009-04-30 17:06:03 +01001106 help
1107 Invalidation of the Instruction Cache operation can
1108 fail. This erratum is present in 1136 (before r1p4), 1156 and 1176.
1109 It does not affect the MPCore. This option enables the ARM Ltd.
1110 recommended workaround.
1111
Catalin Marinas7ce236f2009-04-30 17:06:09 +01001112config ARM_ERRATA_430973
1113 bool "ARM errata: Stale prediction on replaced interworking branch"
1114 depends on CPU_V7
1115 help
1116 This option enables the workaround for the 430973 Cortex-A8
1117 (r1p0..r1p2) erratum. If a code sequence containing an ARM/Thumb
1118 interworking branch is replaced with another code sequence at the
1119 same virtual address, whether due to self-modifying code or virtual
1120 to physical address re-mapping, Cortex-A8 does not recover from the
1121 stale interworking branch prediction. This results in Cortex-A8
1122 executing the new code sequence in the incorrect ARM or Thumb state.
1123 The workaround enables the BTB/BTAC operations by setting ACTLR.IBE
1124 and also flushes the branch target cache at every context switch.
1125 Note that setting specific bits in the ACTLR register may not be
1126 available in non-secure mode.
1127
Catalin Marinas855c5512009-04-30 17:06:15 +01001128config ARM_ERRATA_458693
1129 bool "ARM errata: Processor deadlock when a false hazard is created"
1130 depends on CPU_V7
1131 help
1132 This option enables the workaround for the 458693 Cortex-A8 (r2p0)
1133 erratum. For very specific sequences of memory operations, it is
1134 possible for a hazard condition intended for a cache line to instead
1135 be incorrectly associated with a different cache line. This false
1136 hazard might then cause a processor deadlock. The workaround enables
1137 the L1 caching of the NEON accesses and disables the PLD instruction
1138 in the ACTLR register. Note that setting specific bits in the ACTLR
1139 register may not be available in non-secure mode.
1140
Catalin Marinas0516e462009-04-30 17:06:20 +01001141config ARM_ERRATA_460075
1142 bool "ARM errata: Data written to the L2 cache can be overwritten with stale data"
1143 depends on CPU_V7
1144 help
1145 This option enables the workaround for the 460075 Cortex-A8 (r2p0)
1146 erratum. Any asynchronous access to the L2 cache may encounter a
1147 situation in which recent store transactions to the L2 cache are lost
1148 and overwritten with stale memory contents from external memory. The
1149 workaround disables the write-allocate mode for the L2 cache via the
1150 ACTLR register. Note that setting specific bits in the ACTLR register
1151 may not be available in non-secure mode.
1152
Will Deacon9f050272010-09-14 09:51:43 +01001153config ARM_ERRATA_742230
1154 bool "ARM errata: DMB operation may be faulty"
1155 depends on CPU_V7 && SMP
1156 help
1157 This option enables the workaround for the 742230 Cortex-A9
1158 (r1p0..r2p2) erratum. Under rare circumstances, a DMB instruction
1159 between two write operations may not ensure the correct visibility
1160 ordering of the two writes. This workaround sets a specific bit in
1161 the diagnostic register of the Cortex-A9 which causes the DMB
1162 instruction to behave as a DSB, ensuring the correct behaviour of
1163 the two writes.
1164
Will Deacona672e992010-09-14 09:53:02 +01001165config ARM_ERRATA_742231
1166 bool "ARM errata: Incorrect hazard handling in the SCU may lead to data corruption"
1167 depends on CPU_V7 && SMP
1168 help
1169 This option enables the workaround for the 742231 Cortex-A9
1170 (r2p0..r2p2) erratum. Under certain conditions, specific to the
1171 Cortex-A9 MPCore micro-architecture, two CPUs working in SMP mode,
1172 accessing some data located in the same cache line, may get corrupted
1173 data due to bad handling of the address hazard when the line gets
1174 replaced from one of the CPUs at the same time as another CPU is
1175 accessing it. This workaround sets specific bits in the diagnostic
1176 register of the Cortex-A9 which reduces the linefill issuing
1177 capabilities of the processor.
1178
Santosh Shilimkar9e655822010-02-04 19:42:42 +01001179config PL310_ERRATA_588369
1180 bool "Clean & Invalidate maintenance operations do not invalidate clean lines"
Santosh Shilimkar2839e062011-03-08 06:59:54 +01001181 depends on CACHE_L2X0
Santosh Shilimkar9e655822010-02-04 19:42:42 +01001182 help
1183 The PL310 L2 cache controller implements three types of Clean &
1184 Invalidate maintenance operations: by Physical Address
1185 (offset 0x7F0), by Index/Way (0x7F8) and by Way (0x7FC).
1186 They are architecturally defined to behave as the execution of a
1187 clean operation followed immediately by an invalidate operation,
1188 both performing to the same memory location. This functionality
1189 is not correctly implemented in PL310 as clean lines are not
Santosh Shilimkar2839e062011-03-08 06:59:54 +01001190 invalidated as a result of these operations.
Will Deaconcdf357f2010-08-05 11:20:51 +01001191
1192config ARM_ERRATA_720789
1193 bool "ARM errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a faulty ASID"
1194 depends on CPU_V7 && SMP
1195 help
1196 This option enables the workaround for the 720789 Cortex-A9 (prior to
1197 r2p0) erratum. A faulty ASID can be sent to the other CPUs for the
1198 broadcasted CP15 TLB maintenance operations TLBIASIDIS and TLBIMVAIS.
1199 As a consequence of this erratum, some TLB entries which should be
1200 invalidated are not, resulting in an incoherency in the system page
1201 tables. The workaround changes the TLB flushing routines to invalidate
1202 entries regardless of the ASID.
Will Deacon475d92f2010-09-28 14:02:02 +01001203
Russell King1f0090a2011-03-16 23:35:25 +00001204config PL310_ERRATA_727915
1205 bool "Background Clean & Invalidate by Way operation can cause data corruption"
1206 depends on CACHE_L2X0
1207 help
1208 PL310 implements the Clean & Invalidate by Way L2 cache maintenance
1209 operation (offset 0x7FC). This operation runs in background so that
1210 PL310 can handle normal accesses while it is in progress. Under very
1211 rare circumstances, due to this erratum, write data can be lost when
1212 PL310 treats a cacheable write transaction during a Clean &
1213 Invalidate by Way operation.
1214
Will Deacon475d92f2010-09-28 14:02:02 +01001215config ARM_ERRATA_743622
1216 bool "ARM errata: Faulty hazard checking in the Store Buffer may lead to data corruption"
1217 depends on CPU_V7
1218 help
1219 This option enables the workaround for the 743622 Cortex-A9
1220 (r2p0..r2p2) erratum. Under very rare conditions, a faulty
1221 optimisation in the Cortex-A9 Store Buffer may lead to data
1222 corruption. This workaround sets a specific bit in the diagnostic
1223 register of the Cortex-A9 which disables the Store Buffer
1224 optimisation, preventing the defect from occurring. This has no
1225 visible impact on the overall performance or power consumption of the
1226 processor.
1227
Will Deacon9a27c272011-02-18 16:36:35 +01001228config ARM_ERRATA_751472
1229 bool "ARM errata: Interrupted ICIALLUIS may prevent completion of broadcasted operation"
1230 depends on CPU_V7 && SMP
1231 help
1232 This option enables the workaround for the 751472 Cortex-A9 (prior
1233 to r3p0) erratum. An interrupted ICIALLUIS operation may prevent the
1234 completion of a following broadcasted operation if the second
1235 operation is received by a CPU before the ICIALLUIS has completed,
1236 potentially leading to corrupted entries in the cache or TLB.
1237
Srinidhi Kasagar885028e2011-02-17 07:03:51 +01001238config ARM_ERRATA_753970
1239 bool "ARM errata: cache sync operation may be faulty"
1240 depends on CACHE_PL310
1241 help
1242 This option enables the workaround for the 753970 PL310 (r3p0) erratum.
1243
1244 Under some condition the effect of cache sync operation on
1245 the store buffer still remains when the operation completes.
1246 This means that the store buffer is always asked to drain and
1247 this prevents it from merging any further writes. The workaround
1248 is to replace the normal offset of cache sync operation (0x730)
1249 by another offset targeting an unmapped PL310 register 0x740.
1250 This has the same effect as the cache sync operation: store buffer
1251 drain and waiting for all buffers empty.
1252
Will Deaconfcbdc5fe2011-02-28 18:15:16 +01001253config ARM_ERRATA_754322
1254 bool "ARM errata: possible faulty MMU translations following an ASID switch"
1255 depends on CPU_V7
1256 help
1257 This option enables the workaround for the 754322 Cortex-A9 (r2p*,
1258 r3p*) erratum. A speculative memory access may cause a page table walk
1259 which starts prior to an ASID switch but completes afterwards. This
1260 can populate the micro-TLB with a stale entry which may be hit with
1261 the new ASID. This workaround places two dsb instructions in the mm
1262 switching code so that no page table walks can cross the ASID switch.
1263
Will Deacon5dab26af2011-03-04 12:38:54 +01001264config ARM_ERRATA_754327
1265 bool "ARM errata: no automatic Store Buffer drain"
1266 depends on CPU_V7 && SMP
1267 help
1268 This option enables the workaround for the 754327 Cortex-A9 (prior to
1269 r2p0) erratum. The Store Buffer does not have any automatic draining
1270 mechanism and therefore a livelock may occur if an external agent
1271 continuously polls a memory location waiting to observe an update.
1272 This workaround defines cpu_relax() as smp_mb(), preventing correctly
1273 written polling loops from denying visibility of updates to memory.
1274
Linus Torvalds1da177e2005-04-16 15:20:36 -07001275endmenu
1276
1277source "arch/arm/common/Kconfig"
1278
Linus Torvalds1da177e2005-04-16 15:20:36 -07001279menu "Bus support"
1280
1281config ARM_AMBA
1282 bool
1283
1284config ISA
1285 bool
Linus Torvalds1da177e2005-04-16 15:20:36 -07001286 help
1287 Find out whether you have ISA slots on your motherboard. ISA is the
1288 name of a bus system, i.e. the way the CPU talks to the other stuff
1289 inside your box. Other bus systems are PCI, EISA, MicroChannel
1290 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
1291 newer boards don't support it. If you have ISA, say Y, otherwise N.
1292
Russell King065909b2006-01-04 15:44:16 +00001293# Select ISA DMA controller support
Linus Torvalds1da177e2005-04-16 15:20:36 -07001294config ISA_DMA
1295 bool
Russell King065909b2006-01-04 15:44:16 +00001296 select ISA_DMA_API
Linus Torvalds1da177e2005-04-16 15:20:36 -07001297
Russell King065909b2006-01-04 15:44:16 +00001298# Select ISA DMA interface
Al Viro5cae8412005-05-04 05:39:22 +01001299config ISA_DMA_API
1300 bool
Al Viro5cae8412005-05-04 05:39:22 +01001301
Linus Torvalds1da177e2005-04-16 15:20:36 -07001302config PCI
Hans Ulli Kroll0b05da72010-12-02 12:32:15 +01001303 bool "PCI support" if MIGHT_HAVE_PCI
Linus Torvalds1da177e2005-04-16 15:20:36 -07001304 help
1305 Find out whether you have a PCI motherboard. PCI is the name of a
1306 bus system, i.e. the way the CPU talks to the other stuff inside
1307 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
1308 VESA. If you have PCI, say Y, otherwise N.
1309
Anton Vorontsov52882172010-04-19 13:20:49 +01001310config PCI_DOMAINS
1311 bool
1312 depends on PCI
1313
Marcelo Roberto Jimenezb080ac82010-12-16 21:34:51 +01001314config PCI_NANOENGINE
1315 bool "BSE nanoEngine PCI support"
1316 depends on SA1100_NANOENGINE
1317 help
1318 Enable PCI on the BSE nanoEngine board.
1319
Matthew Wilcox36e23592007-07-10 10:54:40 -06001320config PCI_SYSCALL
1321 def_bool PCI
1322
Linus Torvalds1da177e2005-04-16 15:20:36 -07001323# Select the host bridge type
1324config PCI_HOST_VIA82C505
1325 bool
1326 depends on PCI && ARCH_SHARK
1327 default y
1328
Mike Rapoporta0113a92007-11-25 08:55:34 +01001329config PCI_HOST_ITE8152
1330 bool
1331 depends on PCI && MACH_ARMCORE
1332 default y
1333 select DMABOUNCE
1334
Linus Torvalds1da177e2005-04-16 15:20:36 -07001335source "drivers/pci/Kconfig"
1336
1337source "drivers/pcmcia/Kconfig"
1338
1339endmenu
1340
1341menu "Kernel Features"
1342
Kevin Hilman0567a0c2007-03-13 20:29:24 +01001343source "kernel/time/Kconfig"
1344
Linus Torvalds1da177e2005-04-16 15:20:36 -07001345config SMP
Russell Kingbb2d8132011-05-12 09:52:02 +01001346 bool "Symmetric Multi-Processing"
Russell Kingfbb4dda2011-01-17 18:01:58 +00001347 depends on CPU_V6K || CPU_V7
Russell Kingbc282482009-05-17 18:58:34 +01001348 depends on GENERIC_CLOCKEVENTS
Russell King971acb92010-09-04 08:16:30 +01001349 depends on REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP || \
Daniel Walker89c3ded2010-11-22 12:35:41 -08001350 MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || \
Kukjin Kim10606aa2011-02-14 15:05:27 +09001351 ARCH_EXYNOS4 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || \
Paul Mundte9d728f2011-01-07 10:51:35 +09001352 ARCH_MSM_SCORPIONMP || ARCH_SHMOBILE
Arnd Bergmann9934ebb2011-06-10 14:05:22 +00001353 depends on MMU
Jens Axboef6dd9fa2008-06-10 20:48:30 +02001354 select USE_GENERIC_SMP_HELPERS
Daniel Walker89c3ded2010-11-22 12:35:41 -08001355 select HAVE_ARM_SCU if !ARCH_MSM_SCORPIONMP
Linus Torvalds1da177e2005-04-16 15:20:36 -07001356 help
1357 This enables support for systems with more than one CPU. If you have
1358 a system with only one CPU, like most personal computers, say N. If
1359 you have a system with more than one CPU, say Y.
1360
1361 If you say N here, the kernel will run on single and multiprocessor
1362 machines, but will use only one CPU of a multiprocessor machine. If
1363 you say Y here, the kernel will run on many, but not all, single
1364 processor machines. On a single processor machine, the kernel will
1365 run faster if you say N here.
1366
Adrian Bunk03502fa2008-02-03 15:50:21 +02001367 See also <file:Documentation/i386/IO-APIC.txt>,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001368 <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
Justin P. Mattock50a23e62010-10-16 10:36:23 -07001369 <http://tldp.org/HOWTO/SMP-HOWTO.html>.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001370
1371 If you don't know what to do here, say N.
1372
Russell Kingf00ec482010-09-04 10:47:48 +01001373config SMP_ON_UP
1374 bool "Allow booting SMP kernel on uniprocessor systems (EXPERIMENTAL)"
1375 depends on EXPERIMENTAL
Nicolas Pitre4d2692a2011-01-14 07:33:24 +01001376 depends on SMP && !XIP_KERNEL
Russell Kingf00ec482010-09-04 10:47:48 +01001377 default y
1378 help
1379 SMP kernels contain instructions which fail on non-SMP processors.
1380 Enabling this option allows the kernel to modify itself to make
1381 these instructions safe. Disabling it allows about 1K of space
1382 savings.
1383
1384 If you don't know what to do here, say Y.
1385
Russell Kinga8cbcd92009-05-16 11:51:14 +01001386config HAVE_ARM_SCU
1387 bool
Russell Kinga8cbcd92009-05-16 11:51:14 +01001388 help
1389 This option enables support for the ARM system coherency unit
1390
Russell Kingf32f4ce2009-05-16 12:14:21 +01001391config HAVE_ARM_TWD
1392 bool
1393 depends on SMP
Russell King15095bb2011-01-02 15:05:21 +00001394 select TICK_ONESHOT
Russell Kingf32f4ce2009-05-16 12:14:21 +01001395 help
1396 This options enables support for the ARM timer and watchdog unit
1397
Lennert Buytenhek8d5796d2008-08-25 21:03:32 +01001398choice
1399 prompt "Memory split"
1400 default VMSPLIT_3G
1401 help
1402 Select the desired split between kernel and user memory.
1403
1404 If you are not absolutely sure what you are doing, leave this
1405 option alone!
1406
1407 config VMSPLIT_3G
1408 bool "3G/1G user/kernel split"
1409 config VMSPLIT_2G
1410 bool "2G/2G user/kernel split"
1411 config VMSPLIT_1G
1412 bool "1G/3G user/kernel split"
1413endchoice
1414
1415config PAGE_OFFSET
1416 hex
1417 default 0x40000000 if VMSPLIT_1G
1418 default 0x80000000 if VMSPLIT_2G
1419 default 0xC0000000
1420
Linus Torvalds1da177e2005-04-16 15:20:36 -07001421config NR_CPUS
1422 int "Maximum number of CPUs (2-32)"
1423 range 2 32
1424 depends on SMP
1425 default "4"
1426
Russell Kinga054a812005-11-02 22:24:33 +00001427config HOTPLUG_CPU
1428 bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
1429 depends on SMP && HOTPLUG && EXPERIMENTAL
1430 help
1431 Say Y here to experiment with turning CPUs off and on. CPUs
1432 can be controlled through /sys/devices/system/cpu.
1433
Russell King37ee16a2005-11-08 19:08:05 +00001434config LOCAL_TIMERS
1435 bool "Use local timer interrupts"
Russell King971acb92010-09-04 08:16:30 +01001436 depends on SMP
Russell King37ee16a2005-11-08 19:08:05 +00001437 default y
Changhwan Youn30d8bea2011-03-11 10:39:57 +09001438 select HAVE_ARM_TWD if (!ARCH_MSM_SCORPIONMP && !EXYNOS4_MCT)
Russell King37ee16a2005-11-08 19:08:05 +00001439 help
1440 Enable support for local timers on SMP platforms, rather then the
1441 legacy IPI broadcast method. Local timers allows the system
1442 accounting to be spread across the timer interval, preventing a
1443 "thundering herd" at every timer tick.
1444
Uwe Kleine-Königd45a3982009-08-13 20:38:17 +02001445source kernel/Kconfig.preempt
Linus Torvalds1da177e2005-04-16 15:20:36 -07001446
Russell Kingf8065812006-03-02 22:41:59 +00001447config HZ
1448 int
Kukjin Kim49b7a492010-09-07 15:47:18 +09001449 default 200 if ARCH_EBSA110 || ARCH_S3C2410 || ARCH_S5P64X0 || \
Kukjin Kima73ddc62011-05-11 16:27:51 +09001450 ARCH_S5PV210 || ARCH_EXYNOS4
Russell Kingbfe65702006-03-04 11:01:53 +00001451 default OMAP_32K_TIMER_HZ if ARCH_OMAP && OMAP_32K_TIMER
David Brownell5248c652007-11-12 17:59:10 +01001452 default AT91_TIMER_HZ if ARCH_AT91
Magnus Damm5da3e712010-07-29 14:03:04 +01001453 default SHMOBILE_TIMER_HZ if ARCH_SHMOBILE
Russell Kingf8065812006-03-02 22:41:59 +00001454 default 100
1455
Catalin Marinas16c79652009-07-24 12:33:02 +01001456config THUMB2_KERNEL
Russell King4a50bfe2010-12-05 23:06:22 +00001457 bool "Compile the kernel in Thumb-2 mode (EXPERIMENTAL)"
Russell Kinge399b1a2011-01-17 15:08:32 +00001458 depends on CPU_V7 && !CPU_V6 && !CPU_V6K && EXPERIMENTAL
Catalin Marinas16c79652009-07-24 12:33:02 +01001459 select AEABI
1460 select ARM_ASM_UNIFIED
Arnd Bergmann89bace62011-06-10 14:12:21 +00001461 select ARM_UNWIND
Catalin Marinas16c79652009-07-24 12:33:02 +01001462 help
1463 By enabling this option, the kernel will be compiled in
1464 Thumb-2 mode. A compiler/assembler that understand the unified
1465 ARM-Thumb syntax is needed.
1466
1467 If unsure, say N.
1468
Dave Martin6f685c52011-03-03 11:41:12 +01001469config THUMB2_AVOID_R_ARM_THM_JUMP11
1470 bool "Work around buggy Thumb-2 short branch relocations in gas"
1471 depends on THUMB2_KERNEL && MODULES
1472 default y
1473 help
1474 Various binutils versions can resolve Thumb-2 branches to
1475 locally-defined, preemptible global symbols as short-range "b.n"
1476 branch instructions.
1477
1478 This is a problem, because there's no guarantee the final
1479 destination of the symbol, or any candidate locations for a
1480 trampoline, are within range of the branch. For this reason, the
1481 kernel does not support fixing up the R_ARM_THM_JUMP11 (102)
1482 relocation in modules at all, and it makes little sense to add
1483 support.
1484
1485 The symptom is that the kernel fails with an "unsupported
1486 relocation" error when loading some modules.
1487
1488 Until fixed tools are available, passing
1489 -fno-optimize-sibling-calls to gcc should prevent gcc generating
1490 code which hits this problem, at the cost of a bit of extra runtime
1491 stack usage in some cases.
1492
1493 The problem is described in more detail at:
1494 https://bugs.launchpad.net/binutils-linaro/+bug/725126
1495
1496 Only Thumb-2 kernels are affected.
1497
1498 Unless you are sure your tools don't have this problem, say Y.
1499
Catalin Marinas0becb082009-07-24 12:32:53 +01001500config ARM_ASM_UNIFIED
1501 bool
1502
Nicolas Pitre704bdda02006-01-14 16:33:50 +00001503config AEABI
1504 bool "Use the ARM EABI to compile the kernel"
1505 help
1506 This option allows for the kernel to be compiled using the latest
1507 ARM ABI (aka EABI). This is only useful if you are using a user
1508 space environment that is also compiled with EABI.
1509
1510 Since there are major incompatibilities between the legacy ABI and
1511 EABI, especially with regard to structure member alignment, this
1512 option also changes the kernel syscall calling convention to
1513 disambiguate both ABIs and allow for backward compatibility support
1514 (selected with CONFIG_OABI_COMPAT).
1515
1516 To use this you need GCC version 4.0.0 or later.
1517
Nicolas Pitre6c90c872006-01-14 16:37:15 +00001518config OABI_COMPAT
Russell Kinga73a3ff2006-02-08 21:09:55 +00001519 bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)"
Dave Martin9bc433a2011-02-11 16:41:20 +01001520 depends on AEABI && EXPERIMENTAL && !THUMB2_KERNEL
Nicolas Pitre6c90c872006-01-14 16:37:15 +00001521 default y
1522 help
1523 This option preserves the old syscall interface along with the
1524 new (ARM EABI) one. It also provides a compatibility layer to
1525 intercept syscalls that have structure arguments which layout
1526 in memory differs between the legacy ABI and the new ARM EABI
1527 (only for non "thumb" binaries). This option adds a tiny
1528 overhead to all syscalls and produces a slightly larger kernel.
1529 If you know you'll be using only pure EABI user space then you
1530 can say N here. If this option is not selected and you attempt
1531 to execute a legacy ABI binary then the result will be
1532 UNPREDICTABLE (in fact it can be predicted that it won't work
1533 at all). If in doubt say Y.
1534
Mel Gormaneb335752009-05-13 17:34:48 +01001535config ARCH_HAS_HOLES_MEMORYMODEL
Mel Gormane80d6a22008-08-14 11:10:14 +01001536 bool
Mel Gormane80d6a22008-08-14 11:10:14 +01001537
Russell King05944d72006-11-30 20:43:51 +00001538config ARCH_SPARSEMEM_ENABLE
1539 bool
1540
Russell King07a2f732008-10-01 21:39:58 +01001541config ARCH_SPARSEMEM_DEFAULT
1542 def_bool ARCH_SPARSEMEM_ENABLE
1543
Russell King05944d72006-11-30 20:43:51 +00001544config ARCH_SELECT_MEMORY_MODEL
Russell Kingbe370302010-05-07 17:40:33 +01001545 def_bool ARCH_SPARSEMEM_ENABLE
Yasunori Gotoc80d79d2006-04-10 22:53:53 -07001546
Will Deacon7b7bf492011-05-19 13:21:14 +01001547config HAVE_ARCH_PFN_VALID
1548 def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM
1549
Nicolas Pitre053a96c2008-09-19 00:36:12 -04001550config HIGHMEM
Russell Kinge8db89a2011-05-12 09:53:05 +01001551 bool "High Memory Support"
1552 depends on MMU
Nicolas Pitre053a96c2008-09-19 00:36:12 -04001553 help
1554 The address space of ARM processors is only 4 Gigabytes large
1555 and it has to accommodate user address space, kernel address
1556 space as well as some memory mapped IO. That means that, if you
1557 have a large amount of physical memory and/or IO, not all of the
1558 memory can be "permanently mapped" by the kernel. The physical
1559 memory that is not permanently mapped is called "high memory".
1560
1561 Depending on the selected kernel/user memory split, minimum
1562 vmalloc space and actual amount of RAM, you may not need this
1563 option which should result in a slightly faster kernel.
1564
1565 If unsure, say n.
1566
Russell King65cec8e2009-08-17 20:02:06 +01001567config HIGHPTE
1568 bool "Allocate 2nd-level pagetables from highmem"
1569 depends on HIGHMEM
Russell King65cec8e2009-08-17 20:02:06 +01001570
Jamie Iles1b8873a2010-02-02 20:25:44 +01001571config HW_PERF_EVENTS
1572 bool "Enable hardware performance counter support for perf events"
Will Deaconfe166142010-04-30 11:37:51 +01001573 depends on PERF_EVENTS && CPU_HAS_PMU
Jamie Iles1b8873a2010-02-02 20:25:44 +01001574 default y
1575 help
1576 Enable hardware performance counter support for perf events. If
1577 disabled, perf events will use software events only.
1578
Dave Hansen3f22ab22005-06-23 00:07:43 -07001579source "mm/Kconfig"
1580
Magnus Dammc1b2d972010-07-05 10:00:11 +01001581config FORCE_MAX_ZONEORDER
1582 int "Maximum zone order" if ARCH_SHMOBILE
1583 range 11 64 if ARCH_SHMOBILE
1584 default "9" if SA1111
1585 default "11"
1586 help
1587 The kernel memory allocator divides physically contiguous memory
1588 blocks into "zones", where each zone is a power of two number of
1589 pages. This option selects the largest power of two that the kernel
1590 keeps in the memory allocator. If you need to allocate very large
1591 blocks of physically contiguous memory, then you may need to
1592 increase this value.
1593
1594 This config option is actually maximum order plus one. For example,
1595 a value of 11 means that the largest free memory block is 2^10 pages.
1596
Linus Torvalds1da177e2005-04-16 15:20:36 -07001597config LEDS
1598 bool "Timer and CPU usage LEDs"
Adrian Bunke055d5bf2008-04-22 01:43:27 +01001599 depends on ARCH_CDB89712 || ARCH_EBSA110 || \
Sascha Hauer8c8fdbc2009-04-01 12:40:15 +02001600 ARCH_EBSA285 || ARCH_INTEGRATOR || \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001601 ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_NETWINDER || \
1602 ARCH_OMAP || ARCH_P720T || ARCH_PXA_IDP || \
SAN People73a59c12006-01-09 17:05:41 +00001603 ARCH_SA1100 || ARCH_SHARK || ARCH_VERSATILE || \
Jürgen Schindele25329672008-09-16 21:36:30 +01001604 ARCH_AT91 || ARCH_DAVINCI || \
Colin Tuckleyff3042f2009-05-30 13:56:13 +01001605 ARCH_KS8695 || MACH_RD88F5182 || ARCH_REALVIEW
Linus Torvalds1da177e2005-04-16 15:20:36 -07001606 help
1607 If you say Y here, the LEDs on your machine will be used
1608 to provide useful information about your current system status.
1609
1610 If you are compiling a kernel for a NetWinder or EBSA-285, you will
1611 be able to select which LEDs are active using the options below. If
1612 you are compiling a kernel for the EBSA-110 or the LART however, the
1613 red LED will simply flash regularly to indicate that the system is
1614 still functional. It is safe to say Y here if you have a CATS
1615 system, but the driver will do nothing.
1616
1617config LEDS_TIMER
1618 bool "Timer LED" if (!ARCH_CDB89712 && !ARCH_OMAP) || \
David Brownelleebdf7d72007-04-02 12:48:10 -07001619 OMAP_OSK_MISTRAL || MACH_OMAP_H2 \
1620 || MACH_OMAP_PERSEUS2
Linus Torvalds1da177e2005-04-16 15:20:36 -07001621 depends on LEDS
Kevin Hilman0567a0c2007-03-13 20:29:24 +01001622 depends on !GENERIC_CLOCKEVENTS
Linus Torvalds1da177e2005-04-16 15:20:36 -07001623 default y if ARCH_EBSA110
1624 help
1625 If you say Y here, one of the system LEDs (the green one on the
1626 NetWinder, the amber one on the EBSA285, or the red one on the LART)
1627 will flash regularly to indicate that the system is still
1628 operational. This is mainly useful to kernel hackers who are
1629 debugging unstable kernels.
1630
1631 The LART uses the same LED for both Timer LED and CPU usage LED
1632 functions. You may choose to use both, but the Timer LED function
1633 will overrule the CPU usage LED.
1634
1635config LEDS_CPU
1636 bool "CPU usage LED" if (!ARCH_CDB89712 && !ARCH_EBSA110 && \
David Brownelleebdf7d72007-04-02 12:48:10 -07001637 !ARCH_OMAP) \
1638 || OMAP_OSK_MISTRAL || MACH_OMAP_H2 \
1639 || MACH_OMAP_PERSEUS2
Linus Torvalds1da177e2005-04-16 15:20:36 -07001640 depends on LEDS
1641 help
1642 If you say Y here, the red LED will be used to give a good real
1643 time indication of CPU usage, by lighting whenever the idle task
1644 is not currently executing.
1645
1646 The LART uses the same LED for both Timer LED and CPU usage LED
1647 functions. You may choose to use both, but the Timer LED function
1648 will overrule the CPU usage LED.
1649
1650config ALIGNMENT_TRAP
1651 bool
Hyok S. Choif12d0d72006-09-26 17:36:37 +09001652 depends on CPU_CP15_MMU
Linus Torvalds1da177e2005-04-16 15:20:36 -07001653 default y if !ARCH_EBSA110
Russell Kinge119bff2010-01-10 17:23:29 +00001654 select HAVE_PROC_CPU if PROC_FS
Linus Torvalds1da177e2005-04-16 15:20:36 -07001655 help
Matt LaPlante84eb8d02006-10-03 22:53:09 +02001656 ARM processors cannot fetch/store information which is not
Linus Torvalds1da177e2005-04-16 15:20:36 -07001657 naturally aligned on the bus, i.e., a 4 byte fetch must start at an
1658 address divisible by 4. On 32-bit ARM processors, these non-aligned
1659 fetch/store instructions will be emulated in software if you say
1660 here, which has a severe performance impact. This is necessary for
1661 correct operation of some network protocols. With an IP-only
1662 configuration it is safe to say N, otherwise say Y.
1663
Lennert Buytenhek39ec58f2009-03-09 14:30:09 -04001664config UACCESS_WITH_MEMCPY
1665 bool "Use kernel mem{cpy,set}() for {copy_to,clear}_user() (EXPERIMENTAL)"
1666 depends on MMU && EXPERIMENTAL
1667 default y if CPU_FEROCEON
1668 help
1669 Implement faster copy_to_user and clear_user methods for CPU
1670 cores where a 8-word STM instruction give significantly higher
1671 memory write throughput than a sequence of individual 32bit stores.
1672
1673 A possible side effect is a slight increase in scheduling latency
1674 between threads sharing the same address space if they invoke
1675 such copy operations with large buffers.
1676
1677 However, if the CPU data cache is using a write-allocate mode,
1678 this option is unlikely to provide any performance gain.
1679
Nicolas Pitre70c70d92010-08-26 15:08:35 -07001680config SECCOMP
1681 bool
1682 prompt "Enable seccomp to safely compute untrusted bytecode"
1683 ---help---
1684 This kernel feature is useful for number crunching applications
1685 that may need to compute untrusted bytecode during their
1686 execution. By using pipes or other transports made available to
1687 the process as file descriptors supporting the read/write
1688 syscalls, it's possible to isolate those applications in
1689 their own address space using seccomp. Once seccomp is
1690 enabled via prctl(PR_SET_SECCOMP), it cannot be disabled
1691 and the task is only allowed to execute a few safe syscalls
1692 defined by each seccomp mode.
1693
Nicolas Pitrec743f382010-05-24 23:55:42 -04001694config CC_STACKPROTECTOR
1695 bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)"
Russell King4a50bfe2010-12-05 23:06:22 +00001696 depends on EXPERIMENTAL
Nicolas Pitrec743f382010-05-24 23:55:42 -04001697 help
1698 This option turns on the -fstack-protector GCC feature. This
1699 feature puts, at the beginning of functions, a canary value on
1700 the stack just before the return address, and validates
1701 the value just before actually returning. Stack based buffer
1702 overflows (that need to overwrite this return address) now also
1703 overwrite the canary, which gets detected and the attack is then
1704 neutralized via a kernel panic.
1705 This feature requires gcc version 4.2 or above.
1706
Uwe Kleine-König73a65b32010-01-19 10:13:14 +01001707config DEPRECATED_PARAM_STRUCT
1708 bool "Provide old way to pass kernel parameters"
1709 help
1710 This was deprecated in 2001 and announced to live on for 5 years.
1711 Some old boot loaders still use this way.
1712
Linus Torvalds1da177e2005-04-16 15:20:36 -07001713endmenu
1714
1715menu "Boot options"
1716
Grant Likely9eb8f672011-04-28 14:27:20 -06001717config USE_OF
1718 bool "Flattened Device Tree support"
1719 select OF
1720 select OF_EARLY_FLATTREE
Grant Likely08a543a2011-07-26 03:19:06 -06001721 select IRQ_DOMAIN
Grant Likely9eb8f672011-04-28 14:27:20 -06001722 help
1723 Include support for flattened device tree machine descriptions.
1724
Linus Torvalds1da177e2005-04-16 15:20:36 -07001725# Compressed boot loader in ROM. Yes, we really want to ask about
1726# TEXT and BSS so we preserve their values in the config files.
1727config ZBOOT_ROM_TEXT
1728 hex "Compressed ROM boot loader base address"
1729 default "0"
1730 help
1731 The physical address at which the ROM-able zImage is to be
1732 placed in the target. Platforms which normally make use of
1733 ROM-able zImage formats normally set this to a suitable
1734 value in their defconfig file.
1735
1736 If ZBOOT_ROM is not enabled, this has no effect.
1737
1738config ZBOOT_ROM_BSS
1739 hex "Compressed ROM boot loader BSS address"
1740 default "0"
1741 help
Dan Fandrichf8c440b2006-09-20 23:28:51 +01001742 The base address of an area of read/write memory in the target
1743 for the ROM-able zImage which must be available while the
1744 decompressor is running. It must be large enough to hold the
1745 entire decompressed kernel plus an additional 128 KiB.
1746 Platforms which normally make use of ROM-able zImage formats
1747 normally set this to a suitable value in their defconfig file.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001748
1749 If ZBOOT_ROM is not enabled, this has no effect.
1750
1751config ZBOOT_ROM
1752 bool "Compressed boot loader in ROM/flash"
1753 depends on ZBOOT_ROM_TEXT != ZBOOT_ROM_BSS
1754 help
1755 Say Y here if you intend to execute your compressed kernel image
1756 (zImage) directly from ROM or flash. If unsure, say N.
1757
Simon Horman090ab3f2011-04-26 06:29:53 +01001758choice
1759 prompt "Include SD/MMC loader in zImage (EXPERIMENTAL)"
1760 depends on ZBOOT_ROM && ARCH_SH7372 && EXPERIMENTAL
1761 default ZBOOT_ROM_NONE
1762 help
1763 Include experimental SD/MMC loading code in the ROM-able zImage.
1764 With this enabled it is possible to write the the ROM-able zImage
1765 kernel image to an MMC or SD card and boot the kernel straight
1766 from the reset vector. At reset the processor Mask ROM will load
1767 the first part of the the ROM-able zImage which in turn loads the
1768 rest the kernel image to RAM.
1769
1770config ZBOOT_ROM_NONE
1771 bool "No SD/MMC loader in zImage (EXPERIMENTAL)"
1772 help
1773 Do not load image from SD or MMC
1774
Simon Hormanf45b1142011-01-11 04:01:08 +01001775config ZBOOT_ROM_MMCIF
1776 bool "Include MMCIF loader in zImage (EXPERIMENTAL)"
Simon Hormanf45b1142011-01-11 04:01:08 +01001777 help
Simon Horman090ab3f2011-04-26 06:29:53 +01001778 Load image from MMCIF hardware block.
1779
1780config ZBOOT_ROM_SH_MOBILE_SDHI
1781 bool "Include SuperH Mobile SDHI loader in zImage (EXPERIMENTAL)"
1782 help
1783 Load image from SDHI hardware block
1784
1785endchoice
Simon Hormanf45b1142011-01-11 04:01:08 +01001786
Linus Torvalds1da177e2005-04-16 15:20:36 -07001787config CMDLINE
1788 string "Default kernel command string"
1789 default ""
1790 help
1791 On some architectures (EBSA110 and CATS), there is currently no way
1792 for the boot loader to pass arguments to the kernel. For these
1793 architectures, you should supply some command-line options at build
1794 time by entering them here. As a minimum, you should specify the
1795 memory size and the root device (e.g., mem=64M root=/dev/nfs).
1796
Victor Boivie4394c122011-05-04 17:07:55 +01001797choice
1798 prompt "Kernel command line type" if CMDLINE != ""
1799 default CMDLINE_FROM_BOOTLOADER
1800
1801config CMDLINE_FROM_BOOTLOADER
1802 bool "Use bootloader kernel arguments if available"
1803 help
1804 Uses the command-line options passed by the boot loader. If
1805 the boot loader doesn't provide any, the default kernel command
1806 string provided in CMDLINE will be used.
1807
1808config CMDLINE_EXTEND
1809 bool "Extend bootloader kernel arguments"
1810 help
1811 The command-line arguments provided by the boot loader will be
1812 appended to the default kernel command string.
1813
Alexander Holler92d20402010-02-16 19:04:53 +01001814config CMDLINE_FORCE
1815 bool "Always use the default kernel command string"
Alexander Holler92d20402010-02-16 19:04:53 +01001816 help
1817 Always use the default kernel command string, even if the boot
1818 loader passes other arguments to the kernel.
1819 This is useful if you cannot or don't want to change the
1820 command-line options your boot loader passes to the kernel.
Victor Boivie4394c122011-05-04 17:07:55 +01001821endchoice
Alexander Holler92d20402010-02-16 19:04:53 +01001822
Linus Torvalds1da177e2005-04-16 15:20:36 -07001823config XIP_KERNEL
1824 bool "Kernel Execute-In-Place from ROM"
1825 depends on !ZBOOT_ROM
1826 help
1827 Execute-In-Place allows the kernel to run from non-volatile storage
1828 directly addressable by the CPU, such as NOR flash. This saves RAM
1829 space since the text section of the kernel is not loaded from flash
1830 to RAM. Read-write sections, such as the data section and stack,
1831 are still copied to RAM. The XIP kernel is not compressed since
1832 it has to run directly from flash, so it will take more space to
1833 store it. The flash address used to link the kernel object files,
1834 and for storing it, is configuration dependent. Therefore, if you
1835 say Y here, you must know the proper physical address where to
1836 store the kernel image depending on your own flash memory usage.
1837
1838 Also note that the make target becomes "make xipImage" rather than
1839 "make zImage" or "make Image". The final kernel binary to put in
1840 ROM memory will be arch/arm/boot/xipImage.
1841
1842 If unsure, say N.
1843
1844config XIP_PHYS_ADDR
1845 hex "XIP Kernel Physical Location"
1846 depends on XIP_KERNEL
1847 default "0x00080000"
1848 help
1849 This is the physical address in your flash memory the kernel will
1850 be linked for and stored to. This address is dependent on your
1851 own flash usage.
1852
Richard Purdiec587e4a2007-02-06 21:29:00 +01001853config KEXEC
1854 bool "Kexec system call (EXPERIMENTAL)"
1855 depends on EXPERIMENTAL
1856 help
1857 kexec is a system call that implements the ability to shutdown your
1858 current kernel, and to start another kernel. It is like a reboot
Matt LaPlante01dd2fb2007-10-20 01:34:40 +02001859 but it is independent of the system firmware. And like a reboot
Richard Purdiec587e4a2007-02-06 21:29:00 +01001860 you can start any kernel with it, not just Linux.
1861
1862 It is an ongoing process to be certain the hardware in a machine
1863 is properly shutdown, so do not be surprised if this code does not
1864 initially work for you. It may help to enable device hotplugging
1865 support.
1866
Richard Purdie4cd9d6f2008-01-02 00:56:46 +01001867config ATAGS_PROC
1868 bool "Export atags in procfs"
Uli Luckasb98d7292008-02-22 16:45:18 +01001869 depends on KEXEC
1870 default y
Richard Purdie4cd9d6f2008-01-02 00:56:46 +01001871 help
1872 Should the atags used to boot the kernel be exported in an "atags"
1873 file in procfs. Useful with kexec.
1874
Mika Westerbergcb5d39b2010-11-18 19:14:52 +01001875config CRASH_DUMP
1876 bool "Build kdump crash kernel (EXPERIMENTAL)"
1877 depends on EXPERIMENTAL
1878 help
1879 Generate crash dump after being started by kexec. This should
1880 be normally only set in special crash dump kernels which are
1881 loaded in the main kernel with kexec-tools into a specially
1882 reserved region and then later executed after a crash by
1883 kdump/kexec. The crash dump kernel must be compiled to a
1884 memory address not used by the main kernel
1885
1886 For more details see Documentation/kdump/kdump.txt
1887
Eric Miaoe69edc792010-07-05 15:56:50 +02001888config AUTO_ZRELADDR
1889 bool "Auto calculation of the decompressed kernel image address"
1890 depends on !ZBOOT_ROM && !ARCH_U300
1891 help
1892 ZRELADDR is the physical address where the decompressed kernel
1893 image will be placed. If AUTO_ZRELADDR is selected, the address
1894 will be determined at run-time by masking the current IP with
1895 0xf8000000. This assumes the zImage being placed in the first 128MB
1896 from start of memory.
1897
Linus Torvalds1da177e2005-04-16 15:20:36 -07001898endmenu
1899
Russell Kingac9d7ef2008-08-18 17:26:00 +01001900menu "CPU Power Management"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001901
Ben Dooks89c52ed2009-07-30 23:23:24 +01001902if ARCH_HAS_CPUFREQ
Linus Torvalds1da177e2005-04-16 15:20:36 -07001903
1904source "drivers/cpufreq/Kconfig"
1905
Yong Shen64f102b2010-10-21 21:18:59 +08001906config CPU_FREQ_IMX
1907 tristate "CPUfreq driver for i.MX CPUs"
1908 depends on ARCH_MXC && CPU_FREQ
1909 help
1910 This enables the CPUfreq driver for i.MX CPUs.
1911
Linus Torvalds1da177e2005-04-16 15:20:36 -07001912config CPU_FREQ_SA1100
1913 bool
Linus Torvalds1da177e2005-04-16 15:20:36 -07001914
1915config CPU_FREQ_SA1110
1916 bool
Linus Torvalds1da177e2005-04-16 15:20:36 -07001917
1918config CPU_FREQ_INTEGRATOR
1919 tristate "CPUfreq driver for ARM Integrator CPUs"
1920 depends on ARCH_INTEGRATOR && CPU_FREQ
1921 default y
1922 help
1923 This enables the CPUfreq driver for ARM Integrator CPUs.
1924
1925 For details, take a look at <file:Documentation/cpu-freq>.
1926
1927 If in doubt, say Y.
1928
Russell King9e2697f2007-12-14 13:30:14 +00001929config CPU_FREQ_PXA
1930 bool
1931 depends on CPU_FREQ && ARCH_PXA && PXA25x
1932 default y
1933 select CPU_FREQ_DEFAULT_GOV_USERSPACE
1934
Ben Dooks9d56c022009-07-30 23:23:25 +01001935config CPU_FREQ_S3C
1936 bool
1937 help
1938 Internal configuration node for common cpufreq on Samsung SoC
1939
1940config CPU_FREQ_S3C24XX
Russell King4a50bfe2010-12-05 23:06:22 +00001941 bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
Ben Dooks9d56c022009-07-30 23:23:25 +01001942 depends on ARCH_S3C2410 && CPU_FREQ && EXPERIMENTAL
1943 select CPU_FREQ_S3C
1944 help
1945 This enables the CPUfreq driver for the Samsung S3C24XX family
1946 of CPUs.
1947
1948 For details, take a look at <file:Documentation/cpu-freq>.
1949
1950 If in doubt, say N.
1951
1952config CPU_FREQ_S3C24XX_PLL
Russell King4a50bfe2010-12-05 23:06:22 +00001953 bool "Support CPUfreq changing of PLL frequency (EXPERIMENTAL)"
Ben Dooks9d56c022009-07-30 23:23:25 +01001954 depends on CPU_FREQ_S3C24XX && EXPERIMENTAL
1955 help
1956 Compile in support for changing the PLL frequency from the
1957 S3C24XX series CPUfreq driver. The PLL takes time to settle
1958 after a frequency change, so by default it is not enabled.
1959
1960 This also means that the PLL tables for the selected CPU(s) will
1961 be built which may increase the size of the kernel image.
1962
1963config CPU_FREQ_S3C24XX_DEBUG
1964 bool "Debug CPUfreq Samsung driver core"
1965 depends on CPU_FREQ_S3C24XX
1966 help
1967 Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
1968
1969config CPU_FREQ_S3C24XX_IODEBUG
1970 bool "Debug CPUfreq Samsung driver IO timing"
1971 depends on CPU_FREQ_S3C24XX
1972 help
1973 Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
1974
Ben Dookse6d197a2009-07-30 23:23:42 +01001975config CPU_FREQ_S3C24XX_DEBUGFS
1976 bool "Export debugfs for CPUFreq"
1977 depends on CPU_FREQ_S3C24XX && DEBUG_FS
1978 help
1979 Export status information via debugfs.
1980
Linus Torvalds1da177e2005-04-16 15:20:36 -07001981endif
1982
Russell Kingac9d7ef2008-08-18 17:26:00 +01001983source "drivers/cpuidle/Kconfig"
1984
1985endmenu
1986
Linus Torvalds1da177e2005-04-16 15:20:36 -07001987menu "Floating point emulation"
1988
1989comment "At least one emulation must be selected"
1990
1991config FPE_NWFPE
1992 bool "NWFPE math emulation"
Dave Martin593c2522010-12-13 21:56:03 +01001993 depends on (!AEABI || OABI_COMPAT) && !THUMB2_KERNEL
Linus Torvalds1da177e2005-04-16 15:20:36 -07001994 ---help---
1995 Say Y to include the NWFPE floating point emulator in the kernel.
1996 This is necessary to run most binaries. Linux does not currently
1997 support floating point hardware so you need to say Y here even if
1998 your machine has an FPA or floating point co-processor podule.
1999
2000 You may say N here if you are going to load the Acorn FPEmulator
2001 early in the bootup.
2002
2003config FPE_NWFPE_XP
2004 bool "Support extended precision"
Lennert Buytenhekbedf1422005-11-07 21:12:08 +00002005 depends on FPE_NWFPE
Linus Torvalds1da177e2005-04-16 15:20:36 -07002006 help
2007 Say Y to include 80-bit support in the kernel floating-point
2008 emulator. Otherwise, only 32 and 64-bit support is compiled in.
2009 Note that gcc does not generate 80-bit operations by default,
2010 so in most cases this option only enlarges the size of the
2011 floating point emulator without any good reason.
2012
2013 You almost surely want to say N here.
2014
2015config FPE_FASTFPE
2016 bool "FastFPE math emulation (EXPERIMENTAL)"
Nicolas Pitre8993a442006-01-14 16:36:50 +00002017 depends on (!AEABI || OABI_COMPAT) && !CPU_32v3 && EXPERIMENTAL
Linus Torvalds1da177e2005-04-16 15:20:36 -07002018 ---help---
2019 Say Y here to include the FAST floating point emulator in the kernel.
2020 This is an experimental much faster emulator which now also has full
2021 precision for the mantissa. It does not support any exceptions.
2022 It is very simple, and approximately 3-6 times faster than NWFPE.
2023
2024 It should be sufficient for most programs. It may be not suitable
2025 for scientific calculations, but you have to check this for yourself.
2026 If you do not feel you need a faster FP emulation you should better
2027 choose NWFPE.
2028
2029config VFP
2030 bool "VFP-format floating point maths"
Russell Kinge399b1a2011-01-17 15:08:32 +00002031 depends on CPU_V6 || CPU_V6K || CPU_ARM926T || CPU_V7 || CPU_FEROCEON
Linus Torvalds1da177e2005-04-16 15:20:36 -07002032 help
2033 Say Y to include VFP support code in the kernel. This is needed
2034 if your hardware includes a VFP unit.
2035
2036 Please see <file:Documentation/arm/VFP/release-notes.txt> for
2037 release notes and additional status information.
2038
2039 Say N if your target does not have VFP hardware.
2040
Catalin Marinas25ebee02007-09-25 15:22:24 +01002041config VFPv3
2042 bool
2043 depends on VFP
2044 default y if CPU_V7
2045
Catalin Marinasb5872db2008-01-10 19:16:17 +01002046config NEON
2047 bool "Advanced SIMD (NEON) Extension support"
2048 depends on VFPv3 && CPU_V7
2049 help
2050 Say Y to include support code for NEON, the ARMv7 Advanced SIMD
2051 Extension.
2052
Linus Torvalds1da177e2005-04-16 15:20:36 -07002053endmenu
2054
2055menu "Userspace binary formats"
2056
2057source "fs/Kconfig.binfmt"
2058
2059config ARTHUR
2060 tristate "RISC OS personality"
Nicolas Pitre704bdda02006-01-14 16:33:50 +00002061 depends on !AEABI
Linus Torvalds1da177e2005-04-16 15:20:36 -07002062 help
2063 Say Y here to include the kernel code necessary if you want to run
2064 Acorn RISC OS/Arthur binaries under Linux. This code is still very
2065 experimental; if this sounds frightening, say N and sleep in peace.
2066 You can also say M here to compile this support as a module (which
2067 will be called arthur).
2068
2069endmenu
2070
2071menu "Power management options"
2072
Russell Kingeceab4a2005-11-15 11:31:41 +00002073source "kernel/power/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07002074
Johannes Bergf4cb5702007-12-08 02:14:00 +01002075config ARCH_SUSPEND_POSSIBLE
Russell King586893e2011-05-25 21:47:48 +01002076 depends on !ARCH_S5P64X0 && !ARCH_S5PC100
Russell King6a786182011-04-02 10:15:28 +01002077 depends on CPU_ARM920T || CPU_ARM926T || CPU_SA1100 || \
2078 CPU_V6 || CPU_V6K || CPU_V7 || CPU_XSC3 || CPU_XSCALE
Johannes Bergf4cb5702007-12-08 02:14:00 +01002079 def_bool y
2080
Arnd Bergmann15e0d9e2011-10-01 21:09:39 +02002081config ARM_CPU_SUSPEND
2082 def_bool PM_SLEEP
2083
Linus Torvalds1da177e2005-04-16 15:20:36 -07002084endmenu
2085
Sam Ravnborgd5950b42005-07-11 21:03:49 -07002086source "net/Kconfig"
2087
Uwe Kleine-Königac251502009-08-13 21:09:21 +02002088source "drivers/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07002089
2090source "fs/Kconfig"
2091
Linus Torvalds1da177e2005-04-16 15:20:36 -07002092source "arch/arm/Kconfig.debug"
2093
2094source "security/Kconfig"
2095
2096source "crypto/Kconfig"
2097
2098source "lib/Kconfig"