blob: 3269576dbfa8dab12d6531996e2e86de2ca309c1 [file] [log] [blame]
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 King234b6ce2011-05-08 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 King234b6ce2011-05-08 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 King234b6ce2011-05-08 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 King234b6ce2011-05-08 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 King234b6ce2011-05-08 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 King234b6ce2011-05-08 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
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000634 help
eric miao2c8086a2007-09-11 19:13:17 -0700635 Support for Intel/Marvell's PXA2xx/PXA3xx processor line.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700636
Russell King788c9702009-04-26 14:21:59 +0100637config ARCH_MSM
638 bool "Qualcomm MSM"
Steve Muckle4b536b82008-12-29 16:17:22 -0500639 select HAVE_CLK
Eric Miao49cbe782009-01-20 14:15:18 +0800640 select GENERIC_CLOCKEVENTS
Pavel Machek923a0812010-06-02 11:11:12 -0700641 select ARCH_REQUIRE_GPIOLIB
Stephen Boydbd323442011-02-23 09:37:42 -0800642 select CLKDEV_LOOKUP
Eric Miao49cbe782009-01-20 14:15:18 +0800643 help
Daniel Walker4b53eb42010-01-01 15:11:43 -0800644 Support for Qualcomm MSM/QSD based systems. This runs on the
645 apps processor of the MSM/QSD and depends on a shared memory
646 interface to the modem processor which runs the baseband
647 stack and controls some vital subsystems
648 (clock and power control, etc).
Eric Miao49cbe782009-01-20 14:15:18 +0800649
Magnus Dammc793c1b2010-02-05 11:14:49 +0000650config ARCH_SHMOBILE
Paul Mundt6d72ad32010-11-16 16:10:20 +0900651 bool "Renesas SH-Mobile / R-Mobile"
652 select HAVE_CLK
Paul Mundt5e93c6b2011-01-07 10:29:26 +0900653 select CLKDEV_LOOKUP
Kyungmin Parkaa3831c2011-07-18 16:34:54 +0900654 select HAVE_MACH_CLKDEV
Paul Mundt6d72ad32010-11-16 16:10:20 +0900655 select GENERIC_CLOCKEVENTS
656 select NO_IOPORT
657 select SPARSE_IRQ
Magnus Damm60f14352010-12-28 08:26:52 +0000658 select MULTI_IRQ_HANDLER
Rafael J. Wysockie3e01092011-07-01 22:13:56 +0200659 select PM_GENERIC_DOMAINS if PM
Magnus Dammc793c1b2010-02-05 11:14:49 +0000660 help
Paul Mundt6d72ad32010-11-16 16:10:20 +0900661 Support for Renesas's SH-Mobile and R-Mobile ARM platforms.
Magnus Dammc793c1b2010-02-05 11:14:49 +0000662
Linus Torvalds1da177e2005-04-16 15:20:36 -0700663config ARCH_RPC
664 bool "RiscPC"
665 select ARCH_ACORN
666 select FIQ
667 select TIMER_ACORN
viro@ZenIV.linux.org.uka08b6b72005-09-06 01:48:42 +0100668 select ARCH_MAY_HAVE_PC_FDC
Ben Dooks341eb782008-07-01 14:16:49 +0100669 select HAVE_PATA_PLATFORM
Russell King065909b2006-01-04 15:44:16 +0000670 select ISA_DMA_API
Al Viro5ea81762007-02-11 15:41:31 +0000671 select NO_IOPORT
Russell King07f841b2008-10-01 17:11:06 +0100672 select ARCH_SPARSEMEM_ENABLE
John Stultz5cfc8ee2010-03-24 00:22:36 +0000673 select ARCH_USES_GETTIMEOFFSET
Linus Torvalds1da177e2005-04-16 15:20:36 -0700674 help
675 On the Acorn Risc-PC, Linux can support the internal IDE disk and
676 CD-ROM interface, serial and parallel port, and the floppy drive.
677
678config ARCH_SA1100
679 bool "SA1100-based"
Russell King234b6ce2011-05-08 14:09:47 +0100680 select CLKSRC_MMIO
Russell Kingc7508152008-10-26 10:55:14 +0000681 select CPU_SA1100
Russell Kingf7e68bb2005-05-05 14:49:01 +0100682 select ISA
Russell King05944d72006-11-30 20:43:51 +0000683 select ARCH_SPARSEMEM_ENABLE
Al Viro034d2f52005-12-19 16:27:59 -0500684 select ARCH_MTD_XIP
Ben Dooks89c52ed2009-07-30 23:23:24 +0100685 select ARCH_HAS_CPUFREQ
Russell King1937f5b2009-12-12 16:20:57 +0000686 select CPU_FREQ
Russell King3e238be2008-04-14 23:03:10 +0100687 select GENERIC_CLOCKEVENTS
David Brownell9483a572008-07-23 21:26:48 -0700688 select HAVE_CLK
Russell King5094b922010-12-15 21:49:06 +0000689 select HAVE_SCHED_CLOCK
Russell King3e238be2008-04-14 23:03:10 +0100690 select TICK_ONESHOT
Michael Buesch7444a722008-07-25 01:46:11 -0700691 select ARCH_REQUIRE_GPIOLIB
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000692 help
693 Support for StrongARM 11x0 based boards.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700694
695config ARCH_S3C2410
Ben Dooks63b1f512010-04-30 16:32:26 +0900696 bool "Samsung S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443, S3C2450"
David Brownell0a938b92007-03-05 00:30:18 -0800697 select GENERIC_GPIO
Ben Dooks9d56c022009-07-30 23:23:25 +0100698 select ARCH_HAS_CPUFREQ
David Brownell9483a572008-07-23 21:26:48 -0700699 select HAVE_CLK
Thomas Abrahame83626f2011-06-14 19:12:26 +0900700 select CLKDEV_LOOKUP
John Stultz5cfc8ee2010-03-24 00:22:36 +0000701 select ARCH_USES_GETTIMEOFFSET
Kukjin Kim20676c12010-11-13 16:08:32 +0900702 select HAVE_S3C2410_I2C if I2C
Linus Torvalds1da177e2005-04-16 15:20:36 -0700703 help
704 Samsung S3C2410X CPU based systems, such as the Simtec Electronics
705 BAST (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or
Martin Michlmayrf6c89652006-02-08 21:09:07 +0000706 the Samsung SMDK2410 development board (and derivatives).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700707
Ben Dooks63b1f512010-04-30 16:32:26 +0900708 Note, the S3C2416 and the S3C2450 are so close that they even share
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300709 the same SoC ID code. This means that there is no separate machine
Ben Dooks63b1f512010-04-30 16:32:26 +0900710 directory (no arch/arm/mach-s3c2450) as the S3C2416 was first.
711
Ben Dooksa08ab632008-10-21 14:06:39 +0100712config ARCH_S3C64XX
713 bool "Samsung S3C64XX"
Ben Dooks89f1fa02010-01-29 09:02:17 +0000714 select PLAT_SAMSUNG
Ben Dooks89f0ce72010-01-26 15:49:15 +0900715 select CPU_V6
Ben Dooks89f0ce72010-01-26 15:49:15 +0900716 select ARM_VIC
Ben Dooksa08ab632008-10-21 14:06:39 +0100717 select HAVE_CLK
Thomas Abraham226e85f2011-06-14 19:12:26 +0900718 select CLKDEV_LOOKUP
Ben Dooks89f0ce72010-01-26 15:49:15 +0900719 select NO_IOPORT
John Stultz5cfc8ee2010-03-24 00:22:36 +0000720 select ARCH_USES_GETTIMEOFFSET
Ben Dooks89c52ed2009-07-30 23:23:24 +0100721 select ARCH_HAS_CPUFREQ
Ben Dooks89f0ce72010-01-26 15:49:15 +0900722 select ARCH_REQUIRE_GPIOLIB
723 select SAMSUNG_CLKSRC
724 select SAMSUNG_IRQ_VIC_TIMER
725 select SAMSUNG_IRQ_UART
726 select S3C_GPIO_TRACK
727 select S3C_GPIO_PULL_UPDOWN
728 select S3C_GPIO_CFG_S3C24XX
729 select S3C_GPIO_CFG_S3C64XX
730 select S3C_DEV_NAND
731 select USB_ARCH_HAS_OHCI
732 select SAMSUNG_GPIOLIB_4BIT
Kukjin Kim20676c12010-11-13 16:08:32 +0900733 select HAVE_S3C2410_I2C if I2C
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900734 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Ben Dooksa08ab632008-10-21 14:06:39 +0100735 help
736 Samsung S3C64XX series based systems
737
Kukjin Kim49b7a492010-09-07 15:47:18 +0900738config ARCH_S5P64X0
739 bool "Samsung S5P6440 S5P6450"
Kukjin Kimc4ffccd2010-01-14 08:19:36 +0900740 select CPU_V6
741 select GENERIC_GPIO
742 select HAVE_CLK
Thomas Abrahamd8b22d22011-06-14 19:12:27 +0900743 select CLKDEV_LOOKUP
Chanwoo Choi0665ccc2011-07-18 15:07:14 +0900744 select CLKSRC_MMIO
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900745 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Sangbeom Kim9e65bbf2011-03-12 08:05:19 +0900746 select GENERIC_CLOCKEVENTS
747 select HAVE_SCHED_CLOCK
Kukjin Kim20676c12010-11-13 16:08:32 +0900748 select HAVE_S3C2410_I2C if I2C
Kukjin Kim754961a2010-11-13 16:11:46 +0900749 select HAVE_S3C_RTC if RTC_CLASS
Kukjin Kimc4ffccd2010-01-14 08:19:36 +0900750 help
Kukjin Kim49b7a492010-09-07 15:47:18 +0900751 Samsung S5P64X0 CPU based systems, such as the Samsung SMDK6440,
752 SMDK6450.
Kukjin Kimc4ffccd2010-01-14 08:19:36 +0900753
Marek Szyprowskiacc84702010-05-20 07:51:08 +0200754config ARCH_S5PC100
755 bool "Samsung S5PC100"
Byungho Min5a7652f2009-06-23 21:39:42 +0900756 select GENERIC_GPIO
757 select HAVE_CLK
Thomas Abraham29e8eb02011-06-14 19:12:27 +0900758 select CLKDEV_LOOKUP
Byungho Min5a7652f2009-06-23 21:39:42 +0900759 select CPU_V7
Kukjin Kimd6d502f2010-02-22 00:02:59 +0100760 select ARM_L1_CACHE_SHIFT_6
Ben Dooks925c68c2010-05-20 20:48:28 +0900761 select ARCH_USES_GETTIMEOFFSET
Kukjin Kim20676c12010-11-13 16:08:32 +0900762 select HAVE_S3C2410_I2C if I2C
Kukjin Kim754961a2010-11-13 16:11:46 +0900763 select HAVE_S3C_RTC if RTC_CLASS
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900764 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Byungho Min5a7652f2009-06-23 21:39:42 +0900765 help
Marek Szyprowskiacc84702010-05-20 07:51:08 +0200766 Samsung S5PC100 series based systems
Byungho Min5a7652f2009-06-23 21:39:42 +0900767
Kukjin Kim170f4e42010-02-24 16:40:44 +0900768config ARCH_S5PV210
769 bool "Samsung S5PV210/S5PC110"
770 select CPU_V7
Kyungmin Parkeecb6a82010-09-29 21:29:27 +0900771 select ARCH_SPARSEMEM_ENABLE
Kamil Debski0f75a962011-07-21 16:42:30 +0900772 select ARCH_HAS_HOLES_MEMORYMODEL
Kukjin Kim170f4e42010-02-24 16:40:44 +0900773 select GENERIC_GPIO
774 select HAVE_CLK
Thomas Abrahamb2a9dd42011-06-14 19:12:27 +0900775 select CLKDEV_LOOKUP
Chanwoo Choi0665ccc2011-07-18 15:07:14 +0900776 select CLKSRC_MMIO
Kukjin Kim170f4e42010-02-24 16:40:44 +0900777 select ARM_L1_CACHE_SHIFT_6
Jaecheol Leed8144ae2010-10-12 09:23:19 +0900778 select ARCH_HAS_CPUFREQ
Sangbeom Kim9e65bbf2011-03-12 08:05:19 +0900779 select GENERIC_CLOCKEVENTS
780 select HAVE_SCHED_CLOCK
Kukjin Kim20676c12010-11-13 16:08:32 +0900781 select HAVE_S3C2410_I2C if I2C
Kukjin Kim754961a2010-11-13 16:11:46 +0900782 select HAVE_S3C_RTC if RTC_CLASS
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900783 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Kukjin Kim170f4e42010-02-24 16:40:44 +0900784 help
785 Samsung S5PV210/S5PC110 series based systems
786
Kukjin Kim10606aa2011-02-14 15:05:27 +0900787config ARCH_EXYNOS4
788 bool "Samsung EXYNOS4"
Changhwan Youncc0e72b2010-07-16 12:15:38 +0900789 select CPU_V7
Kyungmin Parkf567fa62010-09-29 21:33:29 +0900790 select ARCH_SPARSEMEM_ENABLE
Kamil Debski0f75a962011-07-21 16:42:30 +0900791 select ARCH_HAS_HOLES_MEMORYMODEL
Changhwan Youncc0e72b2010-07-16 12:15:38 +0900792 select GENERIC_GPIO
793 select HAVE_CLK
Thomas Abrahambadc4f22011-06-14 19:12:27 +0900794 select CLKDEV_LOOKUP
Sunyoung Kangb333fb12010-09-16 11:11:45 +0900795 select ARCH_HAS_CPUFREQ
Changhwan Youncc0e72b2010-07-16 12:15:38 +0900796 select GENERIC_CLOCKEVENTS
Kukjin Kim754961a2010-11-13 16:11:46 +0900797 select HAVE_S3C_RTC if RTC_CLASS
Kukjin Kim20676c12010-11-13 16:08:32 +0900798 select HAVE_S3C2410_I2C if I2C
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900799 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Changhwan Youncc0e72b2010-07-16 12:15:38 +0900800 help
Kukjin Kim10606aa2011-02-14 15:05:27 +0900801 Samsung EXYNOS4 series based systems
Changhwan Youncc0e72b2010-07-16 12:15:38 +0900802
Linus Torvalds1da177e2005-04-16 15:20:36 -0700803config ARCH_SHARK
804 bool "Shark"
Russell Kingc7508152008-10-26 10:55:14 +0000805 select CPU_SA110
Russell Kingf7e68bb2005-05-05 14:49:01 +0100806 select ISA
807 select ISA_DMA
Nicolas Pitre3bca1032008-10-07 20:14:55 +0100808 select ZONE_DMA
Russell Kingf7e68bb2005-05-05 14:49:01 +0100809 select PCI
John Stultz5cfc8ee2010-03-24 00:22:36 +0000810 select ARCH_USES_GETTIMEOFFSET
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000811 help
812 Support for the StrongARM based Digital DNARD machine, also known
813 as "Shark" (<http://www.shark-linux.de/shark.html>).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700814
Hans J. Koch83ef3332010-09-17 18:13:56 +0200815config ARCH_TCC_926
816 bool "Telechips TCC ARM926-based systems"
Russell King234b6ce2011-05-08 14:09:47 +0100817 select CLKSRC_MMIO
Hans J. Koch83ef3332010-09-17 18:13:56 +0200818 select CPU_ARM926T
819 select HAVE_CLK
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100820 select CLKDEV_LOOKUP
Hans J. Koch83ef3332010-09-17 18:13:56 +0200821 select GENERIC_CLOCKEVENTS
822 help
823 Support for Telechips TCC ARM926-based systems.
824
Linus Walleijd98aac72009-04-27 10:21:46 +0100825config ARCH_U300
826 bool "ST-Ericsson U300 Series"
827 depends on MMU
Russell King234b6ce2011-05-08 14:09:47 +0100828 select CLKSRC_MMIO
Linus Walleijd98aac72009-04-27 10:21:46 +0100829 select CPU_ARM926T
Russell King5c21b7c2010-12-15 21:50:14 +0000830 select HAVE_SCHED_CLOCK
Linus Walleijbc581772009-09-15 17:30:37 +0100831 select HAVE_TCM
Linus Walleijd98aac72009-04-27 10:21:46 +0100832 select ARM_AMBA
833 select ARM_VIC
Linus Walleijd98aac72009-04-27 10:21:46 +0100834 select GENERIC_CLOCKEVENTS
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100835 select CLKDEV_LOOKUP
Kyungmin Parkaa3831c2011-07-18 16:34:54 +0900836 select HAVE_MACH_CLKDEV
Linus Walleijd98aac72009-04-27 10:21:46 +0100837 select GENERIC_GPIO
838 help
839 Support for ST-Ericsson U300 series mobile platforms.
840
Russell Kingccf50e22010-03-15 19:03:06 +0000841config ARCH_U8500
842 bool "ST-Ericsson U8500 Series"
843 select CPU_V7
844 select ARM_AMBA
Russell Kingccf50e22010-03-15 19:03:06 +0000845 select GENERIC_CLOCKEVENTS
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100846 select CLKDEV_LOOKUP
Rabin Vincent94bdc0e2010-03-03 04:54:37 +0100847 select ARCH_REQUIRE_GPIOLIB
Martin Persson7c1a70e2010-12-08 15:13:42 +0100848 select ARCH_HAS_CPUFREQ
Russell Kingccf50e22010-03-15 19:03:06 +0000849 help
850 Support for ST-Ericsson's Ux500 architecture
851
852config ARCH_NOMADIK
853 bool "STMicroelectronics Nomadik"
854 select ARM_AMBA
855 select ARM_VIC
856 select CPU_ARM926T
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100857 select CLKDEV_LOOKUP
Russell Kingccf50e22010-03-15 19:03:06 +0000858 select GENERIC_CLOCKEVENTS
Russell Kingccf50e22010-03-15 19:03:06 +0000859 select ARCH_REQUIRE_GPIOLIB
860 help
861 Support for the Nomadik platform by ST-Ericsson
862
Kevin Hilman7c6337e2007-04-30 19:37:19 +0100863config ARCH_DAVINCI
864 bool "TI DaVinci"
Kevin Hilman7c6337e2007-04-30 19:37:19 +0100865 select GENERIC_CLOCKEVENTS
David Brownelldce11152008-09-07 23:41:04 -0700866 select ARCH_REQUIRE_GPIOLIB
Nicolas Pitre3bca1032008-10-07 20:14:55 +0100867 select ZONE_DMA
Kevin Hilman9232fcc2009-04-08 14:49:38 -0700868 select HAVE_IDE
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100869 select CLKDEV_LOOKUP
David Brownell20e99692009-05-07 09:31:42 -0700870 select GENERIC_ALLOCATOR
Russell Kingdc7ad3b2011-05-22 10:01:21 +0100871 select GENERIC_IRQ_CHIP
Sekhar Noriae88e052009-11-19 15:34:01 +0530872 select ARCH_HAS_HOLES_MEMORYMODEL
Kevin Hilman7c6337e2007-04-30 19:37:19 +0100873 help
874 Support for TI's DaVinci platform.
875
Russell King3b938be2007-05-12 11:25:44 +0100876config ARCH_OMAP
877 bool "TI OMAP"
David Brownell9483a572008-07-23 21:26:48 -0700878 select HAVE_CLK
Michael Buesch7444a722008-07-25 01:46:11 -0700879 select ARCH_REQUIRE_GPIOLIB
Ben Dooks89c52ed2009-07-30 23:23:24 +0100880 select ARCH_HAS_CPUFREQ
Russell King - ARM Linux354a1832011-07-10 23:05:34 -0700881 select CLKSRC_MMIO
Kevin Hilman06cad092007-10-18 23:04:43 -0700882 select GENERIC_CLOCKEVENTS
Russell Kingdc548fb2010-12-15 21:53:51 +0000883 select HAVE_SCHED_CLOCK
Sriram9af915d2010-01-29 14:20:05 -0800884 select ARCH_HAS_HOLES_MEMORYMODEL
Russell King3b938be2007-05-12 11:25:44 +0100885 help
Lennert Buytenhek6e457bb2010-09-22 20:40:57 +0200886 Support for TI's OMAP platform (OMAP1/2/3/4).
Russell King3b938be2007-05-12 11:25:44 +0100887
viresh kumarcee37e52010-04-01 12:31:05 +0100888config PLAT_SPEAR
889 bool "ST SPEAr"
890 select ARM_AMBA
891 select ARCH_REQUIRE_GPIOLIB
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100892 select CLKDEV_LOOKUP
Russell Kingd6e15d72011-05-08 17:10:14 +0100893 select CLKSRC_MMIO
viresh kumarcee37e52010-04-01 12:31:05 +0100894 select GENERIC_CLOCKEVENTS
viresh kumarcee37e52010-04-01 12:31:05 +0100895 select HAVE_CLK
896 help
897 Support for ST's SPEAr platform (SPEAr3xx, SPEAr6xx and SPEAr13xx).
898
Alexey Charkov21f47fb2010-12-23 13:11:21 +0100899config ARCH_VT8500
900 bool "VIA/WonderMedia 85xx"
901 select CPU_ARM926T
902 select GENERIC_GPIO
903 select ARCH_HAS_CPUFREQ
904 select GENERIC_CLOCKEVENTS
905 select ARCH_REQUIRE_GPIOLIB
906 select HAVE_PWM
907 help
908 Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip.
Binghua Duan02c981c2011-07-08 17:40:12 +0800909
John Linnb85a3ef2011-06-20 11:47:27 -0600910config ARCH_ZYNQ
911 bool "Xilinx Zynq ARM Cortex A9 Platform"
Binghua Duan02c981c2011-07-08 17:40:12 +0800912 select CPU_V7
913 select GENERIC_TIME
Binghua Duan02c981c2011-07-08 17:40:12 +0800914 select GENERIC_CLOCKEVENTS
915 select CLKDEV_LOOKUP
John Linnb85a3ef2011-06-20 11:47:27 -0600916 select ARM_GIC
917 select ARM_AMBA
918 select ICST
Binghua Duan02c981c2011-07-08 17:40:12 +0800919 select USE_OF
Binghua Duan02c981c2011-07-08 17:40:12 +0800920 help
John Linnb85a3ef2011-06-20 11:47:27 -0600921 Support for Xilinx Zynq ARM Cortex A9 Platform
Linus Torvalds1da177e2005-04-16 15:20:36 -0700922endchoice
923
Russell Kingccf50e22010-03-15 19:03:06 +0000924#
925# This is sorted alphabetically by mach-* pathname. However, plat-*
926# Kconfigs may be included either alphabetically (according to the
927# plat- suffix) or along side the corresponding mach-* source.
928#
Russell King95b8f202010-01-14 11:43:54 +0000929source "arch/arm/mach-at91/Kconfig"
930
931source "arch/arm/mach-bcmring/Kconfig"
932
Linus Torvalds1da177e2005-04-16 15:20:36 -0700933source "arch/arm/mach-clps711x/Kconfig"
934
Anton Vorontsovd94f9442010-03-25 17:12:41 +0300935source "arch/arm/mach-cns3xxx/Kconfig"
936
Russell King95b8f202010-01-14 11:43:54 +0000937source "arch/arm/mach-davinci/Kconfig"
938
939source "arch/arm/mach-dove/Kconfig"
940
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000941source "arch/arm/mach-ep93xx/Kconfig"
942
Linus Torvalds1da177e2005-04-16 15:20:36 -0700943source "arch/arm/mach-footbridge/Kconfig"
944
Paulius Zaleckas59d3a192009-03-26 10:06:08 +0200945source "arch/arm/mach-gemini/Kconfig"
946
Russell King95b8f202010-01-14 11:43:54 +0000947source "arch/arm/mach-h720x/Kconfig"
948
Linus Torvalds1da177e2005-04-16 15:20:36 -0700949source "arch/arm/mach-integrator/Kconfig"
950
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100951source "arch/arm/mach-iop32x/Kconfig"
952
953source "arch/arm/mach-iop33x/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700954
Dan Williams285f5fa2006-12-07 02:59:39 +0100955source "arch/arm/mach-iop13xx/Kconfig"
956
Linus Torvalds1da177e2005-04-16 15:20:36 -0700957source "arch/arm/mach-ixp4xx/Kconfig"
958
959source "arch/arm/mach-ixp2000/Kconfig"
960
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100961source "arch/arm/mach-ixp23xx/Kconfig"
962
Russell King95b8f202010-01-14 11:43:54 +0000963source "arch/arm/mach-kirkwood/Kconfig"
964
965source "arch/arm/mach-ks8695/Kconfig"
966
Kevin Wells40805942010-07-27 08:49:04 -0700967source "arch/arm/mach-lpc32xx/Kconfig"
968
Russell King95b8f202010-01-14 11:43:54 +0000969source "arch/arm/mach-msm/Kconfig"
970
Stanislav Samsonov794d15b2008-06-22 22:45:10 +0200971source "arch/arm/mach-mv78xx0/Kconfig"
972
Russell King95b8f202010-01-14 11:43:54 +0000973source "arch/arm/plat-mxc/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700974
Shawn Guo1d3f33d2010-12-13 20:55:03 +0800975source "arch/arm/mach-mxs/Kconfig"
976
Russell King95b8f202010-01-14 11:43:54 +0000977source "arch/arm/mach-netx/Kconfig"
Eric Miao49cbe782009-01-20 14:15:18 +0800978
Russell King95b8f202010-01-14 11:43:54 +0000979source "arch/arm/mach-nomadik/Kconfig"
980source "arch/arm/plat-nomadik/Kconfig"
981
Russell Kingd91a8912010-02-04 18:13:17 +0000982source "arch/arm/mach-nuc93x/Kconfig"
983
Tony Lindgrend48af152005-07-10 19:58:17 +0100984source "arch/arm/plat-omap/Kconfig"
985
986source "arch/arm/mach-omap1/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700987
Tony Lindgren1dbae812005-11-10 14:26:51 +0000988source "arch/arm/mach-omap2/Kconfig"
989
Lennert Buytenhek9dd0b192008-03-27 14:51:41 -0400990source "arch/arm/mach-orion5x/Kconfig"
Tzachi Perelstein585cf172007-10-23 15:14:41 -0400991
Russell King95b8f202010-01-14 11:43:54 +0000992source "arch/arm/mach-pxa/Kconfig"
993source "arch/arm/plat-pxa/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700994
Russell King95b8f202010-01-14 11:43:54 +0000995source "arch/arm/mach-mmp/Kconfig"
996
997source "arch/arm/mach-realview/Kconfig"
998
999source "arch/arm/mach-sa1100/Kconfig"
Saeed Bisharaedabd382009-08-06 15:12:43 +03001000
Ben Dookscf383672009-11-10 00:14:58 +00001001source "arch/arm/plat-samsung/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +01001002source "arch/arm/plat-s3c24xx/Kconfig"
Kukjin Kimc4ffccd2010-01-14 08:19:36 +09001003source "arch/arm/plat-s5p/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +01001004
viresh kumarcee37e52010-04-01 12:31:05 +01001005source "arch/arm/plat-spear/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +01001006
Hans J. Koch83ef3332010-09-17 18:13:56 +02001007source "arch/arm/plat-tcc/Kconfig"
1008
Ben Dooksa21765a2007-02-11 18:31:01 +01001009if ARCH_S3C2410
Linus Torvalds1da177e2005-04-16 15:20:36 -07001010source "arch/arm/mach-s3c2410/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +01001011source "arch/arm/mach-s3c2412/Kconfig"
Yauhen Kharuzhyf1290a42010-04-28 18:09:01 +09001012source "arch/arm/mach-s3c2416/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +01001013source "arch/arm/mach-s3c2440/Kconfig"
Ben Dookse4d06e32007-02-16 12:12:31 +01001014source "arch/arm/mach-s3c2443/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +01001015endif
Linus Torvalds1da177e2005-04-16 15:20:36 -07001016
Ben Dooksa08ab632008-10-21 14:06:39 +01001017if ARCH_S3C64XX
Ben Dooks431107e2010-01-26 10:11:04 +09001018source "arch/arm/mach-s3c64xx/Kconfig"
Ben Dooksa08ab632008-10-21 14:06:39 +01001019endif
1020
Kukjin Kim49b7a492010-09-07 15:47:18 +09001021source "arch/arm/mach-s5p64x0/Kconfig"
Kukjin Kimc4ffccd2010-01-14 08:19:36 +09001022
Byungho Min5a7652f2009-06-23 21:39:42 +09001023source "arch/arm/mach-s5pc100/Kconfig"
Byungho Min5a7652f2009-06-23 21:39:42 +09001024
Kukjin Kim170f4e42010-02-24 16:40:44 +09001025source "arch/arm/mach-s5pv210/Kconfig"
1026
Kukjin Kim10606aa2011-02-14 15:05:27 +09001027source "arch/arm/mach-exynos4/Kconfig"
Changhwan Youncc0e72b2010-07-16 12:15:38 +09001028
Russell King882d01f2010-03-02 23:40:15 +00001029source "arch/arm/mach-shmobile/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001030
Erik Gillingc5f80062010-01-21 16:53:02 -08001031source "arch/arm/mach-tegra/Kconfig"
1032
Russell King95b8f202010-01-14 11:43:54 +00001033source "arch/arm/mach-u300/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001034
Russell King95b8f202010-01-14 11:43:54 +00001035source "arch/arm/mach-ux500/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001036
1037source "arch/arm/mach-versatile/Kconfig"
1038
Russell Kingceade892010-02-11 21:44:53 +00001039source "arch/arm/mach-vexpress/Kconfig"
Russell King420c34e2011-01-18 20:08:06 +00001040source "arch/arm/plat-versatile/Kconfig"
Russell Kingceade892010-02-11 21:44:53 +00001041
Alexey Charkov21f47fb2010-12-23 13:11:21 +01001042source "arch/arm/mach-vt8500/Kconfig"
1043
wanzongshun7ec80dd2008-12-03 03:55:38 +01001044source "arch/arm/mach-w90x900/Kconfig"
1045
Linus Torvalds1da177e2005-04-16 15:20:36 -07001046# Definitions to make life easier
1047config ARCH_ACORN
1048 bool
1049
Lennert Buytenhek7ae1f7e2006-09-18 23:12:53 +01001050config PLAT_IOP
1051 bool
Mikael Pettersson469d30442009-10-29 11:46:54 -07001052 select GENERIC_CLOCKEVENTS
Russell King08f26b12010-12-15 21:52:10 +00001053 select HAVE_SCHED_CLOCK
Lennert Buytenhek7ae1f7e2006-09-18 23:12:53 +01001054
Lennert Buytenhek69b02f62008-03-27 14:51:39 -04001055config PLAT_ORION
1056 bool
Russell Kingbfe45e02011-05-08 15:33:30 +01001057 select CLKSRC_MMIO
Russell Kingdc7ad3b2011-05-22 10:01:21 +01001058 select GENERIC_IRQ_CHIP
Russell Kingf06a1622010-12-15 21:55:06 +00001059 select HAVE_SCHED_CLOCK
Lennert Buytenhek69b02f62008-03-27 14:51:39 -04001060
Eric Miaobd5ce432009-01-20 12:06:01 +08001061config PLAT_PXA
1062 bool
1063
Russell Kingf4b8b312010-01-14 12:48:06 +00001064config PLAT_VERSATILE
1065 bool
1066
Russell Kinge3887712010-01-14 13:30:16 +00001067config ARM_TIMER_SP804
1068 bool
Russell Kingbfe45e02011-05-08 15:33:30 +01001069 select CLKSRC_MMIO
Russell Kinge3887712010-01-14 13:30:16 +00001070
Linus Torvalds1da177e2005-04-16 15:20:36 -07001071source arch/arm/mm/Kconfig
1072
Lennert Buytenhekafe4b252006-12-03 18:51:14 +01001073config IWMMXT
1074 bool "Enable iWMMXt support"
Haojian Zhuangef6c8442010-11-24 11:54:25 +08001075 depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4
1076 default y if PXA27x || PXA3xx || PXA95x || ARCH_MMP
Lennert Buytenhekafe4b252006-12-03 18:51:14 +01001077 help
1078 Enable support for iWMMXt context switching at run time if
1079 running on a CPU that supports it.
1080
Linus Torvalds1da177e2005-04-16 15:20:36 -07001081# bool 'Use XScale PMU as timer source' CONFIG_XSCALE_PMU_TIMER
1082config XSCALE_PMU
1083 bool
1084 depends on CPU_XSCALE && !XSCALE_PMU_TIMER
1085 default y
1086
Jamie Iles0f4f0672010-02-02 20:23:15 +01001087config CPU_HAS_PMU
Russell Kinge399b1a2011-01-17 15:08:32 +00001088 depends on (CPU_V6 || CPU_V6K || CPU_V7 || XSCALE_PMU) && \
Will Deacon8954bb02010-06-21 15:32:54 +01001089 (!ARCH_OMAP3 || OMAP3_EMU)
Jamie Iles0f4f0672010-02-02 20:23:15 +01001090 default y
1091 bool
1092
eric miao52108642010-12-13 09:42:34 +01001093config MULTI_IRQ_HANDLER
1094 bool
1095 help
1096 Allow each machine to specify it's own IRQ handler at run time.
1097
Hyok S. Choi3b93e7b2006-06-22 11:48:56 +01001098if !MMU
1099source "arch/arm/Kconfig-nommu"
1100endif
1101
Catalin Marinas9cba3cc2009-04-30 17:06:03 +01001102config ARM_ERRATA_411920
1103 bool "ARM errata: Invalidation of the Instruction Cache operation can fail"
Russell Kinge399b1a2011-01-17 15:08:32 +00001104 depends on CPU_V6 || CPU_V6K
Catalin Marinas9cba3cc2009-04-30 17:06:03 +01001105 help
1106 Invalidation of the Instruction Cache operation can
1107 fail. This erratum is present in 1136 (before r1p4), 1156 and 1176.
1108 It does not affect the MPCore. This option enables the ARM Ltd.
1109 recommended workaround.
1110
Catalin Marinas7ce236f2009-04-30 17:06:09 +01001111config ARM_ERRATA_430973
1112 bool "ARM errata: Stale prediction on replaced interworking branch"
1113 depends on CPU_V7
1114 help
1115 This option enables the workaround for the 430973 Cortex-A8
1116 (r1p0..r1p2) erratum. If a code sequence containing an ARM/Thumb
1117 interworking branch is replaced with another code sequence at the
1118 same virtual address, whether due to self-modifying code or virtual
1119 to physical address re-mapping, Cortex-A8 does not recover from the
1120 stale interworking branch prediction. This results in Cortex-A8
1121 executing the new code sequence in the incorrect ARM or Thumb state.
1122 The workaround enables the BTB/BTAC operations by setting ACTLR.IBE
1123 and also flushes the branch target cache at every context switch.
1124 Note that setting specific bits in the ACTLR register may not be
1125 available in non-secure mode.
1126
Catalin Marinas855c5512009-04-30 17:06:15 +01001127config ARM_ERRATA_458693
1128 bool "ARM errata: Processor deadlock when a false hazard is created"
1129 depends on CPU_V7
1130 help
1131 This option enables the workaround for the 458693 Cortex-A8 (r2p0)
1132 erratum. For very specific sequences of memory operations, it is
1133 possible for a hazard condition intended for a cache line to instead
1134 be incorrectly associated with a different cache line. This false
1135 hazard might then cause a processor deadlock. The workaround enables
1136 the L1 caching of the NEON accesses and disables the PLD instruction
1137 in the ACTLR register. Note that setting specific bits in the ACTLR
1138 register may not be available in non-secure mode.
1139
Catalin Marinas0516e462009-04-30 17:06:20 +01001140config ARM_ERRATA_460075
1141 bool "ARM errata: Data written to the L2 cache can be overwritten with stale data"
1142 depends on CPU_V7
1143 help
1144 This option enables the workaround for the 460075 Cortex-A8 (r2p0)
1145 erratum. Any asynchronous access to the L2 cache may encounter a
1146 situation in which recent store transactions to the L2 cache are lost
1147 and overwritten with stale memory contents from external memory. The
1148 workaround disables the write-allocate mode for the L2 cache via the
1149 ACTLR register. Note that setting specific bits in the ACTLR register
1150 may not be available in non-secure mode.
1151
Will Deacon9f050272010-09-14 09:51:43 +01001152config ARM_ERRATA_742230
1153 bool "ARM errata: DMB operation may be faulty"
1154 depends on CPU_V7 && SMP
1155 help
1156 This option enables the workaround for the 742230 Cortex-A9
1157 (r1p0..r2p2) erratum. Under rare circumstances, a DMB instruction
1158 between two write operations may not ensure the correct visibility
1159 ordering of the two writes. This workaround sets a specific bit in
1160 the diagnostic register of the Cortex-A9 which causes the DMB
1161 instruction to behave as a DSB, ensuring the correct behaviour of
1162 the two writes.
1163
Will Deacona672e992010-09-14 09:53:02 +01001164config ARM_ERRATA_742231
1165 bool "ARM errata: Incorrect hazard handling in the SCU may lead to data corruption"
1166 depends on CPU_V7 && SMP
1167 help
1168 This option enables the workaround for the 742231 Cortex-A9
1169 (r2p0..r2p2) erratum. Under certain conditions, specific to the
1170 Cortex-A9 MPCore micro-architecture, two CPUs working in SMP mode,
1171 accessing some data located in the same cache line, may get corrupted
1172 data due to bad handling of the address hazard when the line gets
1173 replaced from one of the CPUs at the same time as another CPU is
1174 accessing it. This workaround sets specific bits in the diagnostic
1175 register of the Cortex-A9 which reduces the linefill issuing
1176 capabilities of the processor.
1177
Santosh Shilimkar9e655822010-02-04 19:42:42 +01001178config PL310_ERRATA_588369
1179 bool "Clean & Invalidate maintenance operations do not invalidate clean lines"
Santosh Shilimkar2839e062011-03-08 06:59:54 +01001180 depends on CACHE_L2X0
Santosh Shilimkar9e655822010-02-04 19:42:42 +01001181 help
1182 The PL310 L2 cache controller implements three types of Clean &
1183 Invalidate maintenance operations: by Physical Address
1184 (offset 0x7F0), by Index/Way (0x7F8) and by Way (0x7FC).
1185 They are architecturally defined to behave as the execution of a
1186 clean operation followed immediately by an invalidate operation,
1187 both performing to the same memory location. This functionality
1188 is not correctly implemented in PL310 as clean lines are not
Santosh Shilimkar2839e062011-03-08 06:59:54 +01001189 invalidated as a result of these operations.
Will Deaconcdf357f2010-08-05 11:20:51 +01001190
1191config ARM_ERRATA_720789
1192 bool "ARM errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a faulty ASID"
1193 depends on CPU_V7 && SMP
1194 help
1195 This option enables the workaround for the 720789 Cortex-A9 (prior to
1196 r2p0) erratum. A faulty ASID can be sent to the other CPUs for the
1197 broadcasted CP15 TLB maintenance operations TLBIASIDIS and TLBIMVAIS.
1198 As a consequence of this erratum, some TLB entries which should be
1199 invalidated are not, resulting in an incoherency in the system page
1200 tables. The workaround changes the TLB flushing routines to invalidate
1201 entries regardless of the ASID.
Will Deacon475d92f2010-09-28 14:02:02 +01001202
Russell King1f0090a2011-03-16 23:35:25 +00001203config PL310_ERRATA_727915
1204 bool "Background Clean & Invalidate by Way operation can cause data corruption"
1205 depends on CACHE_L2X0
1206 help
1207 PL310 implements the Clean & Invalidate by Way L2 cache maintenance
1208 operation (offset 0x7FC). This operation runs in background so that
1209 PL310 can handle normal accesses while it is in progress. Under very
1210 rare circumstances, due to this erratum, write data can be lost when
1211 PL310 treats a cacheable write transaction during a Clean &
1212 Invalidate by Way operation.
1213
Will Deacon475d92f2010-09-28 14:02:02 +01001214config ARM_ERRATA_743622
1215 bool "ARM errata: Faulty hazard checking in the Store Buffer may lead to data corruption"
1216 depends on CPU_V7
1217 help
1218 This option enables the workaround for the 743622 Cortex-A9
1219 (r2p0..r2p2) erratum. Under very rare conditions, a faulty
1220 optimisation in the Cortex-A9 Store Buffer may lead to data
1221 corruption. This workaround sets a specific bit in the diagnostic
1222 register of the Cortex-A9 which disables the Store Buffer
1223 optimisation, preventing the defect from occurring. This has no
1224 visible impact on the overall performance or power consumption of the
1225 processor.
1226
Will Deacon9a27c272011-02-18 16:36:35 +01001227config ARM_ERRATA_751472
1228 bool "ARM errata: Interrupted ICIALLUIS may prevent completion of broadcasted operation"
1229 depends on CPU_V7 && SMP
1230 help
1231 This option enables the workaround for the 751472 Cortex-A9 (prior
1232 to r3p0) erratum. An interrupted ICIALLUIS operation may prevent the
1233 completion of a following broadcasted operation if the second
1234 operation is received by a CPU before the ICIALLUIS has completed,
1235 potentially leading to corrupted entries in the cache or TLB.
1236
Srinidhi Kasagar885028e2011-02-17 07:03:51 +01001237config ARM_ERRATA_753970
1238 bool "ARM errata: cache sync operation may be faulty"
1239 depends on CACHE_PL310
1240 help
1241 This option enables the workaround for the 753970 PL310 (r3p0) erratum.
1242
1243 Under some condition the effect of cache sync operation on
1244 the store buffer still remains when the operation completes.
1245 This means that the store buffer is always asked to drain and
1246 this prevents it from merging any further writes. The workaround
1247 is to replace the normal offset of cache sync operation (0x730)
1248 by another offset targeting an unmapped PL310 register 0x740.
1249 This has the same effect as the cache sync operation: store buffer
1250 drain and waiting for all buffers empty.
1251
Will Deaconfcbdc5f2011-02-28 18:15:16 +01001252config ARM_ERRATA_754322
1253 bool "ARM errata: possible faulty MMU translations following an ASID switch"
1254 depends on CPU_V7
1255 help
1256 This option enables the workaround for the 754322 Cortex-A9 (r2p*,
1257 r3p*) erratum. A speculative memory access may cause a page table walk
1258 which starts prior to an ASID switch but completes afterwards. This
1259 can populate the micro-TLB with a stale entry which may be hit with
1260 the new ASID. This workaround places two dsb instructions in the mm
1261 switching code so that no page table walks can cross the ASID switch.
1262
Will Deacon5dab26a2011-03-04 12:38:54 +01001263config ARM_ERRATA_754327
1264 bool "ARM errata: no automatic Store Buffer drain"
1265 depends on CPU_V7 && SMP
1266 help
1267 This option enables the workaround for the 754327 Cortex-A9 (prior to
1268 r2p0) erratum. The Store Buffer does not have any automatic draining
1269 mechanism and therefore a livelock may occur if an external agent
1270 continuously polls a memory location waiting to observe an update.
1271 This workaround defines cpu_relax() as smp_mb(), preventing correctly
1272 written polling loops from denying visibility of updates to memory.
1273
Catalin Marinas145e10e2011-08-15 11:04:41 +01001274config ARM_ERRATA_364296
1275 bool "ARM errata: Possible cache data corruption with hit-under-miss enabled"
1276 depends on CPU_V6 && !SMP
1277 help
1278 This options enables the workaround for the 364296 ARM1136
1279 r0p2 erratum (possible cache data corruption with
1280 hit-under-miss enabled). It sets the undocumented bit 31 in
1281 the auxiliary control register and the FI bit in the control
1282 register, thus disabling hit-under-miss without putting the
1283 processor into full low interrupt latency mode. ARM11MPCore
1284 is not affected.
1285
Linus Torvalds1da177e2005-04-16 15:20:36 -07001286endmenu
1287
1288source "arch/arm/common/Kconfig"
1289
Linus Torvalds1da177e2005-04-16 15:20:36 -07001290menu "Bus support"
1291
1292config ARM_AMBA
1293 bool
1294
1295config ISA
1296 bool
Linus Torvalds1da177e2005-04-16 15:20:36 -07001297 help
1298 Find out whether you have ISA slots on your motherboard. ISA is the
1299 name of a bus system, i.e. the way the CPU talks to the other stuff
1300 inside your box. Other bus systems are PCI, EISA, MicroChannel
1301 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
1302 newer boards don't support it. If you have ISA, say Y, otherwise N.
1303
Russell King065909b2006-01-04 15:44:16 +00001304# Select ISA DMA controller support
Linus Torvalds1da177e2005-04-16 15:20:36 -07001305config ISA_DMA
1306 bool
Russell King065909b2006-01-04 15:44:16 +00001307 select ISA_DMA_API
Linus Torvalds1da177e2005-04-16 15:20:36 -07001308
Russell King065909b2006-01-04 15:44:16 +00001309# Select ISA DMA interface
Al Viro5cae8412005-05-04 05:39:22 +01001310config ISA_DMA_API
1311 bool
Al Viro5cae8412005-05-04 05:39:22 +01001312
Linus Torvalds1da177e2005-04-16 15:20:36 -07001313config PCI
Hans Ulli Kroll0b05da72010-12-02 12:32:15 +01001314 bool "PCI support" if MIGHT_HAVE_PCI
Linus Torvalds1da177e2005-04-16 15:20:36 -07001315 help
1316 Find out whether you have a PCI motherboard. PCI is the name of a
1317 bus system, i.e. the way the CPU talks to the other stuff inside
1318 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
1319 VESA. If you have PCI, say Y, otherwise N.
1320
Anton Vorontsov52882172010-04-19 13:20:49 +01001321config PCI_DOMAINS
1322 bool
1323 depends on PCI
1324
Marcelo Roberto Jimenezb080ac82010-12-16 21:34:51 +01001325config PCI_NANOENGINE
1326 bool "BSE nanoEngine PCI support"
1327 depends on SA1100_NANOENGINE
1328 help
1329 Enable PCI on the BSE nanoEngine board.
1330
Matthew Wilcox36e23592007-07-10 10:54:40 -06001331config PCI_SYSCALL
1332 def_bool PCI
1333
Linus Torvalds1da177e2005-04-16 15:20:36 -07001334# Select the host bridge type
1335config PCI_HOST_VIA82C505
1336 bool
1337 depends on PCI && ARCH_SHARK
1338 default y
1339
Mike Rapoporta0113a92007-11-25 08:55:34 +01001340config PCI_HOST_ITE8152
1341 bool
1342 depends on PCI && MACH_ARMCORE
1343 default y
1344 select DMABOUNCE
1345
Linus Torvalds1da177e2005-04-16 15:20:36 -07001346source "drivers/pci/Kconfig"
1347
1348source "drivers/pcmcia/Kconfig"
1349
1350endmenu
1351
1352menu "Kernel Features"
1353
Kevin Hilman0567a0c2007-03-13 20:29:24 +01001354source "kernel/time/Kconfig"
1355
Linus Torvalds1da177e2005-04-16 15:20:36 -07001356config SMP
Russell Kingbb2d8132011-05-12 09:52:02 +01001357 bool "Symmetric Multi-Processing"
Russell Kingfbb4dda2011-01-17 18:01:58 +00001358 depends on CPU_V6K || CPU_V7
Russell Kingbc282482009-05-17 18:58:34 +01001359 depends on GENERIC_CLOCKEVENTS
Russell King971acb92010-09-04 08:16:30 +01001360 depends on REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP || \
Daniel Walker89c3ded2010-11-22 12:35:41 -08001361 MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || \
Kukjin Kim10606aa2011-02-14 15:05:27 +09001362 ARCH_EXYNOS4 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || \
Paul Mundte9d728f2011-01-07 10:51:35 +09001363 ARCH_MSM_SCORPIONMP || ARCH_SHMOBILE
Jens Axboef6dd9fa52008-06-10 20:48:30 +02001364 select USE_GENERIC_SMP_HELPERS
Daniel Walker89c3ded2010-11-22 12:35:41 -08001365 select HAVE_ARM_SCU if !ARCH_MSM_SCORPIONMP
Linus Torvalds1da177e2005-04-16 15:20:36 -07001366 help
1367 This enables support for systems with more than one CPU. If you have
1368 a system with only one CPU, like most personal computers, say N. If
1369 you have a system with more than one CPU, say Y.
1370
1371 If you say N here, the kernel will run on single and multiprocessor
1372 machines, but will use only one CPU of a multiprocessor machine. If
1373 you say Y here, the kernel will run on many, but not all, single
1374 processor machines. On a single processor machine, the kernel will
1375 run faster if you say N here.
1376
Adrian Bunk03502fa2008-02-03 15:50:21 +02001377 See also <file:Documentation/i386/IO-APIC.txt>,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001378 <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
Justin P. Mattock50a23e62010-10-16 10:36:23 -07001379 <http://tldp.org/HOWTO/SMP-HOWTO.html>.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001380
1381 If you don't know what to do here, say N.
1382
Russell Kingf00ec482010-09-04 10:47:48 +01001383config SMP_ON_UP
1384 bool "Allow booting SMP kernel on uniprocessor systems (EXPERIMENTAL)"
1385 depends on EXPERIMENTAL
Nicolas Pitre4d2692a2011-01-14 07:33:24 +01001386 depends on SMP && !XIP_KERNEL
Russell Kingf00ec482010-09-04 10:47:48 +01001387 default y
1388 help
1389 SMP kernels contain instructions which fail on non-SMP processors.
1390 Enabling this option allows the kernel to modify itself to make
1391 these instructions safe. Disabling it allows about 1K of space
1392 savings.
1393
1394 If you don't know what to do here, say Y.
1395
Russell Kinga8cbcd92009-05-16 11:51:14 +01001396config HAVE_ARM_SCU
1397 bool
Russell Kinga8cbcd92009-05-16 11:51:14 +01001398 help
1399 This option enables support for the ARM system coherency unit
1400
Russell Kingf32f4ce2009-05-16 12:14:21 +01001401config HAVE_ARM_TWD
1402 bool
1403 depends on SMP
Russell King15095bb2011-01-02 15:05:21 +00001404 select TICK_ONESHOT
Russell Kingf32f4ce2009-05-16 12:14:21 +01001405 help
1406 This options enables support for the ARM timer and watchdog unit
1407
Lennert Buytenhek8d5796d2008-08-25 21:03:32 +01001408choice
1409 prompt "Memory split"
1410 default VMSPLIT_3G
1411 help
1412 Select the desired split between kernel and user memory.
1413
1414 If you are not absolutely sure what you are doing, leave this
1415 option alone!
1416
1417 config VMSPLIT_3G
1418 bool "3G/1G user/kernel split"
1419 config VMSPLIT_2G
1420 bool "2G/2G user/kernel split"
1421 config VMSPLIT_1G
1422 bool "1G/3G user/kernel split"
1423endchoice
1424
1425config PAGE_OFFSET
1426 hex
1427 default 0x40000000 if VMSPLIT_1G
1428 default 0x80000000 if VMSPLIT_2G
1429 default 0xC0000000
1430
Linus Torvalds1da177e2005-04-16 15:20:36 -07001431config NR_CPUS
1432 int "Maximum number of CPUs (2-32)"
1433 range 2 32
1434 depends on SMP
1435 default "4"
1436
Russell Kinga054a812005-11-02 22:24:33 +00001437config HOTPLUG_CPU
1438 bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
1439 depends on SMP && HOTPLUG && EXPERIMENTAL
1440 help
1441 Say Y here to experiment with turning CPUs off and on. CPUs
1442 can be controlled through /sys/devices/system/cpu.
1443
Russell King37ee16a2005-11-08 19:08:05 +00001444config LOCAL_TIMERS
1445 bool "Use local timer interrupts"
Russell King971acb92010-09-04 08:16:30 +01001446 depends on SMP
Russell King37ee16a2005-11-08 19:08:05 +00001447 default y
Changhwan Youn30d8bea2011-03-11 10:39:57 +09001448 select HAVE_ARM_TWD if (!ARCH_MSM_SCORPIONMP && !EXYNOS4_MCT)
Russell King37ee16a2005-11-08 19:08:05 +00001449 help
1450 Enable support for local timers on SMP platforms, rather then the
1451 legacy IPI broadcast method. Local timers allows the system
1452 accounting to be spread across the timer interval, preventing a
1453 "thundering herd" at every timer tick.
1454
Uwe Kleine-Königd45a3982009-08-13 20:38:17 +02001455source kernel/Kconfig.preempt
Linus Torvalds1da177e2005-04-16 15:20:36 -07001456
Russell Kingf8065812006-03-02 22:41:59 +00001457config HZ
1458 int
Kukjin Kim49b7a492010-09-07 15:47:18 +09001459 default 200 if ARCH_EBSA110 || ARCH_S3C2410 || ARCH_S5P64X0 || \
Kukjin Kima73ddc62011-05-11 16:27:51 +09001460 ARCH_S5PV210 || ARCH_EXYNOS4
Russell Kingbfe65702006-03-04 11:01:53 +00001461 default OMAP_32K_TIMER_HZ if ARCH_OMAP && OMAP_32K_TIMER
David Brownell5248c652007-11-12 17:59:10 +01001462 default AT91_TIMER_HZ if ARCH_AT91
Magnus Damm5da3e712010-07-29 14:03:04 +01001463 default SHMOBILE_TIMER_HZ if ARCH_SHMOBILE
Russell Kingf8065812006-03-02 22:41:59 +00001464 default 100
1465
Catalin Marinas16c79652009-07-24 12:33:02 +01001466config THUMB2_KERNEL
Russell King4a50bfe2010-12-05 23:06:22 +00001467 bool "Compile the kernel in Thumb-2 mode (EXPERIMENTAL)"
Russell Kinge399b1a2011-01-17 15:08:32 +00001468 depends on CPU_V7 && !CPU_V6 && !CPU_V6K && EXPERIMENTAL
Catalin Marinas16c79652009-07-24 12:33:02 +01001469 select AEABI
1470 select ARM_ASM_UNIFIED
1471 help
1472 By enabling this option, the kernel will be compiled in
1473 Thumb-2 mode. A compiler/assembler that understand the unified
1474 ARM-Thumb syntax is needed.
1475
1476 If unsure, say N.
1477
Dave Martin6f685c52011-03-03 11:41:12 +01001478config THUMB2_AVOID_R_ARM_THM_JUMP11
1479 bool "Work around buggy Thumb-2 short branch relocations in gas"
1480 depends on THUMB2_KERNEL && MODULES
1481 default y
1482 help
1483 Various binutils versions can resolve Thumb-2 branches to
1484 locally-defined, preemptible global symbols as short-range "b.n"
1485 branch instructions.
1486
1487 This is a problem, because there's no guarantee the final
1488 destination of the symbol, or any candidate locations for a
1489 trampoline, are within range of the branch. For this reason, the
1490 kernel does not support fixing up the R_ARM_THM_JUMP11 (102)
1491 relocation in modules at all, and it makes little sense to add
1492 support.
1493
1494 The symptom is that the kernel fails with an "unsupported
1495 relocation" error when loading some modules.
1496
1497 Until fixed tools are available, passing
1498 -fno-optimize-sibling-calls to gcc should prevent gcc generating
1499 code which hits this problem, at the cost of a bit of extra runtime
1500 stack usage in some cases.
1501
1502 The problem is described in more detail at:
1503 https://bugs.launchpad.net/binutils-linaro/+bug/725126
1504
1505 Only Thumb-2 kernels are affected.
1506
1507 Unless you are sure your tools don't have this problem, say Y.
1508
Catalin Marinas0becb082009-07-24 12:32:53 +01001509config ARM_ASM_UNIFIED
1510 bool
1511
Nicolas Pitre704bdda2006-01-14 16:33:50 +00001512config AEABI
1513 bool "Use the ARM EABI to compile the kernel"
1514 help
1515 This option allows for the kernel to be compiled using the latest
1516 ARM ABI (aka EABI). This is only useful if you are using a user
1517 space environment that is also compiled with EABI.
1518
1519 Since there are major incompatibilities between the legacy ABI and
1520 EABI, especially with regard to structure member alignment, this
1521 option also changes the kernel syscall calling convention to
1522 disambiguate both ABIs and allow for backward compatibility support
1523 (selected with CONFIG_OABI_COMPAT).
1524
1525 To use this you need GCC version 4.0.0 or later.
1526
Nicolas Pitre6c90c872006-01-14 16:37:15 +00001527config OABI_COMPAT
Russell Kinga73a3ff2006-02-08 21:09:55 +00001528 bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)"
Dave Martin9bc433a2011-02-11 16:41:20 +01001529 depends on AEABI && EXPERIMENTAL && !THUMB2_KERNEL
Nicolas Pitre6c90c872006-01-14 16:37:15 +00001530 default y
1531 help
1532 This option preserves the old syscall interface along with the
1533 new (ARM EABI) one. It also provides a compatibility layer to
1534 intercept syscalls that have structure arguments which layout
1535 in memory differs between the legacy ABI and the new ARM EABI
1536 (only for non "thumb" binaries). This option adds a tiny
1537 overhead to all syscalls and produces a slightly larger kernel.
1538 If you know you'll be using only pure EABI user space then you
1539 can say N here. If this option is not selected and you attempt
1540 to execute a legacy ABI binary then the result will be
1541 UNPREDICTABLE (in fact it can be predicted that it won't work
1542 at all). If in doubt say Y.
1543
Mel Gormaneb335752009-05-13 17:34:48 +01001544config ARCH_HAS_HOLES_MEMORYMODEL
Mel Gormane80d6a22008-08-14 11:10:14 +01001545 bool
Mel Gormane80d6a22008-08-14 11:10:14 +01001546
Russell King05944d72006-11-30 20:43:51 +00001547config ARCH_SPARSEMEM_ENABLE
1548 bool
1549
Russell King07a2f732008-10-01 21:39:58 +01001550config ARCH_SPARSEMEM_DEFAULT
1551 def_bool ARCH_SPARSEMEM_ENABLE
1552
Russell King05944d72006-11-30 20:43:51 +00001553config ARCH_SELECT_MEMORY_MODEL
Russell Kingbe370302010-05-07 17:40:33 +01001554 def_bool ARCH_SPARSEMEM_ENABLE
Yasunori Gotoc80d79d2006-04-10 22:53:53 -07001555
Will Deacon7b7bf492011-05-19 13:21:14 +01001556config HAVE_ARCH_PFN_VALID
1557 def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM
1558
Nicolas Pitre053a96c2008-09-19 00:36:12 -04001559config HIGHMEM
Russell Kinge8db89a2011-05-12 09:53:05 +01001560 bool "High Memory Support"
1561 depends on MMU
Nicolas Pitre053a96c2008-09-19 00:36:12 -04001562 help
1563 The address space of ARM processors is only 4 Gigabytes large
1564 and it has to accommodate user address space, kernel address
1565 space as well as some memory mapped IO. That means that, if you
1566 have a large amount of physical memory and/or IO, not all of the
1567 memory can be "permanently mapped" by the kernel. The physical
1568 memory that is not permanently mapped is called "high memory".
1569
1570 Depending on the selected kernel/user memory split, minimum
1571 vmalloc space and actual amount of RAM, you may not need this
1572 option which should result in a slightly faster kernel.
1573
1574 If unsure, say n.
1575
Russell King65cec8e2009-08-17 20:02:06 +01001576config HIGHPTE
1577 bool "Allocate 2nd-level pagetables from highmem"
1578 depends on HIGHMEM
Russell King65cec8e2009-08-17 20:02:06 +01001579
Jamie Iles1b8873a2010-02-02 20:25:44 +01001580config HW_PERF_EVENTS
1581 bool "Enable hardware performance counter support for perf events"
Will Deaconfe166142010-04-30 11:37:51 +01001582 depends on PERF_EVENTS && CPU_HAS_PMU
Jamie Iles1b8873a2010-02-02 20:25:44 +01001583 default y
1584 help
1585 Enable hardware performance counter support for perf events. If
1586 disabled, perf events will use software events only.
1587
Dave Hansen3f22ab22005-06-23 00:07:43 -07001588source "mm/Kconfig"
1589
Magnus Dammc1b2d972010-07-05 10:00:11 +01001590config FORCE_MAX_ZONEORDER
1591 int "Maximum zone order" if ARCH_SHMOBILE
1592 range 11 64 if ARCH_SHMOBILE
1593 default "9" if SA1111
1594 default "11"
1595 help
1596 The kernel memory allocator divides physically contiguous memory
1597 blocks into "zones", where each zone is a power of two number of
1598 pages. This option selects the largest power of two that the kernel
1599 keeps in the memory allocator. If you need to allocate very large
1600 blocks of physically contiguous memory, then you may need to
1601 increase this value.
1602
1603 This config option is actually maximum order plus one. For example,
1604 a value of 11 means that the largest free memory block is 2^10 pages.
1605
Linus Torvalds1da177e2005-04-16 15:20:36 -07001606config LEDS
1607 bool "Timer and CPU usage LEDs"
Adrian Bunke055d5b2008-04-22 01:43:27 +01001608 depends on ARCH_CDB89712 || ARCH_EBSA110 || \
Sascha Hauer8c8fdbc2009-04-01 12:40:15 +02001609 ARCH_EBSA285 || ARCH_INTEGRATOR || \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001610 ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_NETWINDER || \
1611 ARCH_OMAP || ARCH_P720T || ARCH_PXA_IDP || \
SAN People73a59c12006-01-09 17:05:41 +00001612 ARCH_SA1100 || ARCH_SHARK || ARCH_VERSATILE || \
Jürgen Schindele25329672008-09-16 21:36:30 +01001613 ARCH_AT91 || ARCH_DAVINCI || \
Colin Tuckleyff3042f2009-05-30 13:56:13 +01001614 ARCH_KS8695 || MACH_RD88F5182 || ARCH_REALVIEW
Linus Torvalds1da177e2005-04-16 15:20:36 -07001615 help
1616 If you say Y here, the LEDs on your machine will be used
1617 to provide useful information about your current system status.
1618
1619 If you are compiling a kernel for a NetWinder or EBSA-285, you will
1620 be able to select which LEDs are active using the options below. If
1621 you are compiling a kernel for the EBSA-110 or the LART however, the
1622 red LED will simply flash regularly to indicate that the system is
1623 still functional. It is safe to say Y here if you have a CATS
1624 system, but the driver will do nothing.
1625
1626config LEDS_TIMER
1627 bool "Timer LED" if (!ARCH_CDB89712 && !ARCH_OMAP) || \
David Brownelleebdf7d72007-04-02 12:48:10 -07001628 OMAP_OSK_MISTRAL || MACH_OMAP_H2 \
1629 || MACH_OMAP_PERSEUS2
Linus Torvalds1da177e2005-04-16 15:20:36 -07001630 depends on LEDS
Kevin Hilman0567a0c2007-03-13 20:29:24 +01001631 depends on !GENERIC_CLOCKEVENTS
Linus Torvalds1da177e2005-04-16 15:20:36 -07001632 default y if ARCH_EBSA110
1633 help
1634 If you say Y here, one of the system LEDs (the green one on the
1635 NetWinder, the amber one on the EBSA285, or the red one on the LART)
1636 will flash regularly to indicate that the system is still
1637 operational. This is mainly useful to kernel hackers who are
1638 debugging unstable kernels.
1639
1640 The LART uses the same LED for both Timer LED and CPU usage LED
1641 functions. You may choose to use both, but the Timer LED function
1642 will overrule the CPU usage LED.
1643
1644config LEDS_CPU
1645 bool "CPU usage LED" if (!ARCH_CDB89712 && !ARCH_EBSA110 && \
David Brownelleebdf7d72007-04-02 12:48:10 -07001646 !ARCH_OMAP) \
1647 || OMAP_OSK_MISTRAL || MACH_OMAP_H2 \
1648 || MACH_OMAP_PERSEUS2
Linus Torvalds1da177e2005-04-16 15:20:36 -07001649 depends on LEDS
1650 help
1651 If you say Y here, the red LED will be used to give a good real
1652 time indication of CPU usage, by lighting whenever the idle task
1653 is not currently executing.
1654
1655 The LART uses the same LED for both Timer LED and CPU usage LED
1656 functions. You may choose to use both, but the Timer LED function
1657 will overrule the CPU usage LED.
1658
1659config ALIGNMENT_TRAP
1660 bool
Hyok S. Choif12d0d72006-09-26 17:36:37 +09001661 depends on CPU_CP15_MMU
Linus Torvalds1da177e2005-04-16 15:20:36 -07001662 default y if !ARCH_EBSA110
Russell Kinge119bff2010-01-10 17:23:29 +00001663 select HAVE_PROC_CPU if PROC_FS
Linus Torvalds1da177e2005-04-16 15:20:36 -07001664 help
Matt LaPlante84eb8d02006-10-03 22:53:09 +02001665 ARM processors cannot fetch/store information which is not
Linus Torvalds1da177e2005-04-16 15:20:36 -07001666 naturally aligned on the bus, i.e., a 4 byte fetch must start at an
1667 address divisible by 4. On 32-bit ARM processors, these non-aligned
1668 fetch/store instructions will be emulated in software if you say
1669 here, which has a severe performance impact. This is necessary for
1670 correct operation of some network protocols. With an IP-only
1671 configuration it is safe to say N, otherwise say Y.
1672
Lennert Buytenhek39ec58f2009-03-09 14:30:09 -04001673config UACCESS_WITH_MEMCPY
1674 bool "Use kernel mem{cpy,set}() for {copy_to,clear}_user() (EXPERIMENTAL)"
1675 depends on MMU && EXPERIMENTAL
1676 default y if CPU_FEROCEON
1677 help
1678 Implement faster copy_to_user and clear_user methods for CPU
1679 cores where a 8-word STM instruction give significantly higher
1680 memory write throughput than a sequence of individual 32bit stores.
1681
1682 A possible side effect is a slight increase in scheduling latency
1683 between threads sharing the same address space if they invoke
1684 such copy operations with large buffers.
1685
1686 However, if the CPU data cache is using a write-allocate mode,
1687 this option is unlikely to provide any performance gain.
1688
Nicolas Pitre70c70d92010-08-26 15:08:35 -07001689config SECCOMP
1690 bool
1691 prompt "Enable seccomp to safely compute untrusted bytecode"
1692 ---help---
1693 This kernel feature is useful for number crunching applications
1694 that may need to compute untrusted bytecode during their
1695 execution. By using pipes or other transports made available to
1696 the process as file descriptors supporting the read/write
1697 syscalls, it's possible to isolate those applications in
1698 their own address space using seccomp. Once seccomp is
1699 enabled via prctl(PR_SET_SECCOMP), it cannot be disabled
1700 and the task is only allowed to execute a few safe syscalls
1701 defined by each seccomp mode.
1702
Nicolas Pitrec743f382010-05-24 23:55:42 -04001703config CC_STACKPROTECTOR
1704 bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)"
Russell King4a50bfe2010-12-05 23:06:22 +00001705 depends on EXPERIMENTAL
Nicolas Pitrec743f382010-05-24 23:55:42 -04001706 help
1707 This option turns on the -fstack-protector GCC feature. This
1708 feature puts, at the beginning of functions, a canary value on
1709 the stack just before the return address, and validates
1710 the value just before actually returning. Stack based buffer
1711 overflows (that need to overwrite this return address) now also
1712 overwrite the canary, which gets detected and the attack is then
1713 neutralized via a kernel panic.
1714 This feature requires gcc version 4.2 or above.
1715
Uwe Kleine-König73a65b32010-01-19 10:13:14 +01001716config DEPRECATED_PARAM_STRUCT
1717 bool "Provide old way to pass kernel parameters"
1718 help
1719 This was deprecated in 2001 and announced to live on for 5 years.
1720 Some old boot loaders still use this way.
1721
Linus Torvalds1da177e2005-04-16 15:20:36 -07001722endmenu
1723
1724menu "Boot options"
1725
Grant Likely9eb8f672011-04-28 14:27:20 -06001726config USE_OF
1727 bool "Flattened Device Tree support"
1728 select OF
1729 select OF_EARLY_FLATTREE
Grant Likely08a543a2011-07-26 03:19:06 -06001730 select IRQ_DOMAIN
Grant Likely9eb8f672011-04-28 14:27:20 -06001731 help
1732 Include support for flattened device tree machine descriptions.
1733
Linus Torvalds1da177e2005-04-16 15:20:36 -07001734# Compressed boot loader in ROM. Yes, we really want to ask about
1735# TEXT and BSS so we preserve their values in the config files.
1736config ZBOOT_ROM_TEXT
1737 hex "Compressed ROM boot loader base address"
1738 default "0"
1739 help
1740 The physical address at which the ROM-able zImage is to be
1741 placed in the target. Platforms which normally make use of
1742 ROM-able zImage formats normally set this to a suitable
1743 value in their defconfig file.
1744
1745 If ZBOOT_ROM is not enabled, this has no effect.
1746
1747config ZBOOT_ROM_BSS
1748 hex "Compressed ROM boot loader BSS address"
1749 default "0"
1750 help
Dan Fandrichf8c440b2006-09-20 23:28:51 +01001751 The base address of an area of read/write memory in the target
1752 for the ROM-able zImage which must be available while the
1753 decompressor is running. It must be large enough to hold the
1754 entire decompressed kernel plus an additional 128 KiB.
1755 Platforms which normally make use of ROM-able zImage formats
1756 normally set this to a suitable value in their defconfig file.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001757
1758 If ZBOOT_ROM is not enabled, this has no effect.
1759
1760config ZBOOT_ROM
1761 bool "Compressed boot loader in ROM/flash"
1762 depends on ZBOOT_ROM_TEXT != ZBOOT_ROM_BSS
1763 help
1764 Say Y here if you intend to execute your compressed kernel image
1765 (zImage) directly from ROM or flash. If unsure, say N.
1766
Simon Horman090ab3f2011-04-26 06:29:53 +01001767choice
1768 prompt "Include SD/MMC loader in zImage (EXPERIMENTAL)"
1769 depends on ZBOOT_ROM && ARCH_SH7372 && EXPERIMENTAL
1770 default ZBOOT_ROM_NONE
1771 help
1772 Include experimental SD/MMC loading code in the ROM-able zImage.
1773 With this enabled it is possible to write the the ROM-able zImage
1774 kernel image to an MMC or SD card and boot the kernel straight
1775 from the reset vector. At reset the processor Mask ROM will load
1776 the first part of the the ROM-able zImage which in turn loads the
1777 rest the kernel image to RAM.
1778
1779config ZBOOT_ROM_NONE
1780 bool "No SD/MMC loader in zImage (EXPERIMENTAL)"
1781 help
1782 Do not load image from SD or MMC
1783
Simon Hormanf45b1142011-01-11 04:01:08 +01001784config ZBOOT_ROM_MMCIF
1785 bool "Include MMCIF loader in zImage (EXPERIMENTAL)"
Simon Hormanf45b1142011-01-11 04:01:08 +01001786 help
Simon Horman090ab3f2011-04-26 06:29:53 +01001787 Load image from MMCIF hardware block.
1788
1789config ZBOOT_ROM_SH_MOBILE_SDHI
1790 bool "Include SuperH Mobile SDHI loader in zImage (EXPERIMENTAL)"
1791 help
1792 Load image from SDHI hardware block
1793
1794endchoice
Simon Hormanf45b1142011-01-11 04:01:08 +01001795
Linus Torvalds1da177e2005-04-16 15:20:36 -07001796config CMDLINE
1797 string "Default kernel command string"
1798 default ""
1799 help
1800 On some architectures (EBSA110 and CATS), there is currently no way
1801 for the boot loader to pass arguments to the kernel. For these
1802 architectures, you should supply some command-line options at build
1803 time by entering them here. As a minimum, you should specify the
1804 memory size and the root device (e.g., mem=64M root=/dev/nfs).
1805
Victor Boivie4394c122011-05-04 17:07:55 +01001806choice
1807 prompt "Kernel command line type" if CMDLINE != ""
1808 default CMDLINE_FROM_BOOTLOADER
1809
1810config CMDLINE_FROM_BOOTLOADER
1811 bool "Use bootloader kernel arguments if available"
1812 help
1813 Uses the command-line options passed by the boot loader. If
1814 the boot loader doesn't provide any, the default kernel command
1815 string provided in CMDLINE will be used.
1816
1817config CMDLINE_EXTEND
1818 bool "Extend bootloader kernel arguments"
1819 help
1820 The command-line arguments provided by the boot loader will be
1821 appended to the default kernel command string.
1822
Alexander Holler92d20402010-02-16 19:04:53 +01001823config CMDLINE_FORCE
1824 bool "Always use the default kernel command string"
Alexander Holler92d20402010-02-16 19:04:53 +01001825 help
1826 Always use the default kernel command string, even if the boot
1827 loader passes other arguments to the kernel.
1828 This is useful if you cannot or don't want to change the
1829 command-line options your boot loader passes to the kernel.
Victor Boivie4394c122011-05-04 17:07:55 +01001830endchoice
Alexander Holler92d20402010-02-16 19:04:53 +01001831
Linus Torvalds1da177e2005-04-16 15:20:36 -07001832config XIP_KERNEL
1833 bool "Kernel Execute-In-Place from ROM"
1834 depends on !ZBOOT_ROM
1835 help
1836 Execute-In-Place allows the kernel to run from non-volatile storage
1837 directly addressable by the CPU, such as NOR flash. This saves RAM
1838 space since the text section of the kernel is not loaded from flash
1839 to RAM. Read-write sections, such as the data section and stack,
1840 are still copied to RAM. The XIP kernel is not compressed since
1841 it has to run directly from flash, so it will take more space to
1842 store it. The flash address used to link the kernel object files,
1843 and for storing it, is configuration dependent. Therefore, if you
1844 say Y here, you must know the proper physical address where to
1845 store the kernel image depending on your own flash memory usage.
1846
1847 Also note that the make target becomes "make xipImage" rather than
1848 "make zImage" or "make Image". The final kernel binary to put in
1849 ROM memory will be arch/arm/boot/xipImage.
1850
1851 If unsure, say N.
1852
1853config XIP_PHYS_ADDR
1854 hex "XIP Kernel Physical Location"
1855 depends on XIP_KERNEL
1856 default "0x00080000"
1857 help
1858 This is the physical address in your flash memory the kernel will
1859 be linked for and stored to. This address is dependent on your
1860 own flash usage.
1861
Richard Purdiec587e4a2007-02-06 21:29:00 +01001862config KEXEC
1863 bool "Kexec system call (EXPERIMENTAL)"
1864 depends on EXPERIMENTAL
1865 help
1866 kexec is a system call that implements the ability to shutdown your
1867 current kernel, and to start another kernel. It is like a reboot
Matt LaPlante01dd2fb2007-10-20 01:34:40 +02001868 but it is independent of the system firmware. And like a reboot
Richard Purdiec587e4a2007-02-06 21:29:00 +01001869 you can start any kernel with it, not just Linux.
1870
1871 It is an ongoing process to be certain the hardware in a machine
1872 is properly shutdown, so do not be surprised if this code does not
1873 initially work for you. It may help to enable device hotplugging
1874 support.
1875
Richard Purdie4cd9d6f2008-01-02 00:56:46 +01001876config ATAGS_PROC
1877 bool "Export atags in procfs"
Uli Luckasb98d7292008-02-22 16:45:18 +01001878 depends on KEXEC
1879 default y
Richard Purdie4cd9d6f2008-01-02 00:56:46 +01001880 help
1881 Should the atags used to boot the kernel be exported in an "atags"
1882 file in procfs. Useful with kexec.
1883
Mika Westerbergcb5d39b2010-11-18 19:14:52 +01001884config CRASH_DUMP
1885 bool "Build kdump crash kernel (EXPERIMENTAL)"
1886 depends on EXPERIMENTAL
1887 help
1888 Generate crash dump after being started by kexec. This should
1889 be normally only set in special crash dump kernels which are
1890 loaded in the main kernel with kexec-tools into a specially
1891 reserved region and then later executed after a crash by
1892 kdump/kexec. The crash dump kernel must be compiled to a
1893 memory address not used by the main kernel
1894
1895 For more details see Documentation/kdump/kdump.txt
1896
Eric Miaoe69edc792010-07-05 15:56:50 +02001897config AUTO_ZRELADDR
1898 bool "Auto calculation of the decompressed kernel image address"
1899 depends on !ZBOOT_ROM && !ARCH_U300
1900 help
1901 ZRELADDR is the physical address where the decompressed kernel
1902 image will be placed. If AUTO_ZRELADDR is selected, the address
1903 will be determined at run-time by masking the current IP with
1904 0xf8000000. This assumes the zImage being placed in the first 128MB
1905 from start of memory.
1906
Linus Torvalds1da177e2005-04-16 15:20:36 -07001907endmenu
1908
Russell Kingac9d7ef2008-08-18 17:26:00 +01001909menu "CPU Power Management"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001910
Ben Dooks89c52ed2009-07-30 23:23:24 +01001911if ARCH_HAS_CPUFREQ
Linus Torvalds1da177e2005-04-16 15:20:36 -07001912
1913source "drivers/cpufreq/Kconfig"
1914
Yong Shen64f102b2010-10-21 21:18:59 +08001915config CPU_FREQ_IMX
1916 tristate "CPUfreq driver for i.MX CPUs"
1917 depends on ARCH_MXC && CPU_FREQ
1918 help
1919 This enables the CPUfreq driver for i.MX CPUs.
1920
Linus Torvalds1da177e2005-04-16 15:20:36 -07001921config CPU_FREQ_SA1100
1922 bool
Linus Torvalds1da177e2005-04-16 15:20:36 -07001923
1924config CPU_FREQ_SA1110
1925 bool
Linus Torvalds1da177e2005-04-16 15:20:36 -07001926
1927config CPU_FREQ_INTEGRATOR
1928 tristate "CPUfreq driver for ARM Integrator CPUs"
1929 depends on ARCH_INTEGRATOR && CPU_FREQ
1930 default y
1931 help
1932 This enables the CPUfreq driver for ARM Integrator CPUs.
1933
1934 For details, take a look at <file:Documentation/cpu-freq>.
1935
1936 If in doubt, say Y.
1937
Russell King9e2697f2007-12-14 13:30:14 +00001938config CPU_FREQ_PXA
1939 bool
1940 depends on CPU_FREQ && ARCH_PXA && PXA25x
1941 default y
1942 select CPU_FREQ_DEFAULT_GOV_USERSPACE
1943
Ben Dooks9d56c022009-07-30 23:23:25 +01001944config CPU_FREQ_S3C
1945 bool
1946 help
1947 Internal configuration node for common cpufreq on Samsung SoC
1948
1949config CPU_FREQ_S3C24XX
Russell King4a50bfe2010-12-05 23:06:22 +00001950 bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
Ben Dooks9d56c022009-07-30 23:23:25 +01001951 depends on ARCH_S3C2410 && CPU_FREQ && EXPERIMENTAL
1952 select CPU_FREQ_S3C
1953 help
1954 This enables the CPUfreq driver for the Samsung S3C24XX family
1955 of CPUs.
1956
1957 For details, take a look at <file:Documentation/cpu-freq>.
1958
1959 If in doubt, say N.
1960
1961config CPU_FREQ_S3C24XX_PLL
Russell King4a50bfe2010-12-05 23:06:22 +00001962 bool "Support CPUfreq changing of PLL frequency (EXPERIMENTAL)"
Ben Dooks9d56c022009-07-30 23:23:25 +01001963 depends on CPU_FREQ_S3C24XX && EXPERIMENTAL
1964 help
1965 Compile in support for changing the PLL frequency from the
1966 S3C24XX series CPUfreq driver. The PLL takes time to settle
1967 after a frequency change, so by default it is not enabled.
1968
1969 This also means that the PLL tables for the selected CPU(s) will
1970 be built which may increase the size of the kernel image.
1971
1972config CPU_FREQ_S3C24XX_DEBUG
1973 bool "Debug CPUfreq Samsung driver core"
1974 depends on CPU_FREQ_S3C24XX
1975 help
1976 Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
1977
1978config CPU_FREQ_S3C24XX_IODEBUG
1979 bool "Debug CPUfreq Samsung driver IO timing"
1980 depends on CPU_FREQ_S3C24XX
1981 help
1982 Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
1983
Ben Dookse6d197a2009-07-30 23:23:42 +01001984config CPU_FREQ_S3C24XX_DEBUGFS
1985 bool "Export debugfs for CPUFreq"
1986 depends on CPU_FREQ_S3C24XX && DEBUG_FS
1987 help
1988 Export status information via debugfs.
1989
Linus Torvalds1da177e2005-04-16 15:20:36 -07001990endif
1991
Russell Kingac9d7ef2008-08-18 17:26:00 +01001992source "drivers/cpuidle/Kconfig"
1993
1994endmenu
1995
Linus Torvalds1da177e2005-04-16 15:20:36 -07001996menu "Floating point emulation"
1997
1998comment "At least one emulation must be selected"
1999
2000config FPE_NWFPE
2001 bool "NWFPE math emulation"
Dave Martin593c2522010-12-13 21:56:03 +01002002 depends on (!AEABI || OABI_COMPAT) && !THUMB2_KERNEL
Linus Torvalds1da177e2005-04-16 15:20:36 -07002003 ---help---
2004 Say Y to include the NWFPE floating point emulator in the kernel.
2005 This is necessary to run most binaries. Linux does not currently
2006 support floating point hardware so you need to say Y here even if
2007 your machine has an FPA or floating point co-processor podule.
2008
2009 You may say N here if you are going to load the Acorn FPEmulator
2010 early in the bootup.
2011
2012config FPE_NWFPE_XP
2013 bool "Support extended precision"
Lennert Buytenhekbedf1422005-11-07 21:12:08 +00002014 depends on FPE_NWFPE
Linus Torvalds1da177e2005-04-16 15:20:36 -07002015 help
2016 Say Y to include 80-bit support in the kernel floating-point
2017 emulator. Otherwise, only 32 and 64-bit support is compiled in.
2018 Note that gcc does not generate 80-bit operations by default,
2019 so in most cases this option only enlarges the size of the
2020 floating point emulator without any good reason.
2021
2022 You almost surely want to say N here.
2023
2024config FPE_FASTFPE
2025 bool "FastFPE math emulation (EXPERIMENTAL)"
Nicolas Pitre8993a442006-01-14 16:36:50 +00002026 depends on (!AEABI || OABI_COMPAT) && !CPU_32v3 && EXPERIMENTAL
Linus Torvalds1da177e2005-04-16 15:20:36 -07002027 ---help---
2028 Say Y here to include the FAST floating point emulator in the kernel.
2029 This is an experimental much faster emulator which now also has full
2030 precision for the mantissa. It does not support any exceptions.
2031 It is very simple, and approximately 3-6 times faster than NWFPE.
2032
2033 It should be sufficient for most programs. It may be not suitable
2034 for scientific calculations, but you have to check this for yourself.
2035 If you do not feel you need a faster FP emulation you should better
2036 choose NWFPE.
2037
2038config VFP
2039 bool "VFP-format floating point maths"
Russell Kinge399b1a2011-01-17 15:08:32 +00002040 depends on CPU_V6 || CPU_V6K || CPU_ARM926T || CPU_V7 || CPU_FEROCEON
Linus Torvalds1da177e2005-04-16 15:20:36 -07002041 help
2042 Say Y to include VFP support code in the kernel. This is needed
2043 if your hardware includes a VFP unit.
2044
2045 Please see <file:Documentation/arm/VFP/release-notes.txt> for
2046 release notes and additional status information.
2047
2048 Say N if your target does not have VFP hardware.
2049
Catalin Marinas25ebee02007-09-25 15:22:24 +01002050config VFPv3
2051 bool
2052 depends on VFP
2053 default y if CPU_V7
2054
Catalin Marinasb5872db2008-01-10 19:16:17 +01002055config NEON
2056 bool "Advanced SIMD (NEON) Extension support"
2057 depends on VFPv3 && CPU_V7
2058 help
2059 Say Y to include support code for NEON, the ARMv7 Advanced SIMD
2060 Extension.
2061
Linus Torvalds1da177e2005-04-16 15:20:36 -07002062endmenu
2063
2064menu "Userspace binary formats"
2065
2066source "fs/Kconfig.binfmt"
2067
2068config ARTHUR
2069 tristate "RISC OS personality"
Nicolas Pitre704bdda2006-01-14 16:33:50 +00002070 depends on !AEABI
Linus Torvalds1da177e2005-04-16 15:20:36 -07002071 help
2072 Say Y here to include the kernel code necessary if you want to run
2073 Acorn RISC OS/Arthur binaries under Linux. This code is still very
2074 experimental; if this sounds frightening, say N and sleep in peace.
2075 You can also say M here to compile this support as a module (which
2076 will be called arthur).
2077
2078endmenu
2079
2080menu "Power management options"
2081
Russell Kingeceab4a2005-11-15 11:31:41 +00002082source "kernel/power/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07002083
Johannes Bergf4cb5702007-12-08 02:14:00 +01002084config ARCH_SUSPEND_POSSIBLE
Russell King586893e2011-05-25 21:47:48 +01002085 depends on !ARCH_S5P64X0 && !ARCH_S5PC100
Russell King6a786182011-04-02 10:15:28 +01002086 depends on CPU_ARM920T || CPU_ARM926T || CPU_SA1100 || \
2087 CPU_V6 || CPU_V6K || CPU_V7 || CPU_XSC3 || CPU_XSCALE
Johannes Bergf4cb5702007-12-08 02:14:00 +01002088 def_bool y
2089
Linus Torvalds1da177e2005-04-16 15:20:36 -07002090endmenu
2091
Sam Ravnborgd5950b42005-07-11 21:03:49 -07002092source "net/Kconfig"
2093
Uwe Kleine-Königac251502009-08-13 21:09:21 +02002094source "drivers/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07002095
2096source "fs/Kconfig"
2097
Linus Torvalds1da177e2005-04-16 15:20:36 -07002098source "arch/arm/Kconfig.debug"
2099
2100source "security/Kconfig"
2101
2102source "crypto/Kconfig"
2103
2104source "lib/Kconfig"