blob: c8111c58a982884f57433326f52e1c06777e00c4 [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
Arnd Bergmannd0ee9f42011-10-01 21:10:32 +02006 select HAVE_IDE if PCI || ISA || PCMCIA
Marek Szyprowski2dc6a012012-02-10 19:55:20 +01007 select HAVE_DMA_ATTRS
Russell King2778f622010-07-09 16:27:52 +01008 select HAVE_MEMBLOCK
Alessandro Zummo12b824f2006-03-27 01:16:35 -08009 select RTC_LIB
Ralf Baechle75e71532007-02-09 17:08:58 +000010 select SYS_SUPPORTS_APM_EMULATION
Russell Kinga41297a2011-01-17 15:48:33 +000011 select GENERIC_ATOMIC64 if (CPU_V6 || !CPU_32v6K || !AEABI)
Will Deaconfe166142010-04-30 11:37:51 +010012 select HAVE_OPROFILE if (HAVE_PERF_EVENTS)
Rabin Vincent09f05d82012-02-18 17:52:41 +010013 select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL
Jason Wessel5cbad0e2008-02-20 13:33:40 -060014 select HAVE_ARCH_KGDB
Jon Medhurst856bc352011-06-14 13:09:39 +010015 select HAVE_KPROBES if !XIP_KERNEL
Ananth N Mavinakayanahalli9edddaa2008-03-04 14:28:37 -080016 select HAVE_KRETPROBES if (HAVE_KPROBES)
Steven Rostedt606576c2008-10-06 19:06:12 -040017 select HAVE_FUNCTION_TRACER if (!XIP_KERNEL)
Rabin Vincent80be7a72010-08-10 19:58:17 +010018 select HAVE_FTRACE_MCOUNT_RECORD if (!XIP_KERNEL)
19 select HAVE_DYNAMIC_FTRACE if (!XIP_KERNEL)
Rabin Vincent0e341af2010-11-06 23:03:53 +053020 select HAVE_FUNCTION_GRAPH_TRACER if (!THUMB2_KERNEL)
David Daneye39f5602012-01-10 15:10:21 -080021 select ARCH_BINFMT_ELF_RANDOMIZE_PIE
Dmitry Baryshkov1fe53262008-07-18 13:30:14 +040022 select HAVE_GENERIC_DMA_COHERENT
Albin Tonnerree7db7b42010-01-08 14:42:43 -080023 select HAVE_KERNEL_GZIP
24 select HAVE_KERNEL_LZO
Albin Tonnerre6e8699f2010-04-03 11:40:28 +010025 select HAVE_KERNEL_LZMA
Imre Kaloza7f464f2012-01-26 13:08:57 +010026 select HAVE_KERNEL_XZ
Peter Zijlstrae360adb2010-10-14 14:01:34 +080027 select HAVE_IRQ_WORK
Jamie Iles7ada1892010-02-02 20:24:58 +010028 select HAVE_PERF_EVENTS
29 select PERF_USE_VMALLOC
Will Deacone513f8b2010-06-25 12:24:53 +010030 select HAVE_REGS_AND_STACK_ACCESS_API
Russell Kinge399b1a2011-01-17 15:08:32 +000031 select HAVE_HW_BREAKPOINT if (PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7))
Rabin Vincented604532010-11-30 17:36:48 +010032 select HAVE_C_RECORDMCOUNT
Lennert Buytenheke2a93ec2010-11-29 10:06:57 +010033 select HAVE_GENERIC_HARDIRQS
Thomas Gleixner25a56622011-03-24 12:02:11 +010034 select GENERIC_IRQ_SHOW
Santosh Shilimkar1fb902632011-09-10 11:30:28 +053035 select CPU_PM if (SUSPEND || CPU_IDLE)
Michael S. Tsirkine5bfb722011-11-24 20:57:23 +020036 select GENERIC_PCI_IOMAP
Russell Kingfada8dc2012-03-27 10:44:23 +010037 select HAVE_BPF_JIT if NET
Linus Torvalds1da177e2005-04-16 15:20:36 -070038 help
39 The ARM series is a line of low-power-consumption RISC chip designs
Martin Michlmayrf6c89652006-02-08 21:09:07 +000040 licensed by ARM Ltd and targeted at embedded applications and
Linus Torvalds1da177e2005-04-16 15:20:36 -070041 handhelds such as the Compaq IPAQ. ARM-based PCs are no longer
Martin Michlmayrf6c89652006-02-08 21:09:07 +000042 manufactured, but legacy ARM-based PC hardware remains popular in
Linus Torvalds1da177e2005-04-16 15:20:36 -070043 Europe. There is an ARM Linux project with a web page at
44 <http://www.arm.linux.org.uk/>.
45
Russell King74facff2011-06-02 11:16:22 +010046config ARM_HAS_SG_CHAIN
47 bool
48
Russell King1a189b92008-04-13 21:41:55 +010049config HAVE_PWM
50 bool
51
Hans Ulli Kroll0b05da72010-12-02 12:32:15 +010052config MIGHT_HAVE_PCI
53 bool
54
Ralf Baechle75e71532007-02-09 17:08:58 +000055config SYS_SUPPORTS_APM_EMULATION
56 bool
57
David Brownell0a938b92007-03-05 00:30:18 -080058config GENERIC_GPIO
59 bool
David Brownell0a938b92007-03-05 00:30:18 -080060
John Stultz5cfc8ee2010-03-24 00:22:36 +000061config ARCH_USES_GETTIMEOFFSET
62 bool
63 default n
Kevin Hilman746140c2006-09-22 00:16:30 +010064
Kevin Hilman0567a0c2007-03-13 20:29:24 +010065config GENERIC_CLOCKEVENTS
66 bool
Kevin Hilman0567a0c2007-03-13 20:29:24 +010067
Catalin Marinasa8655e82008-02-04 17:30:57 +010068config GENERIC_CLOCKEVENTS_BROADCAST
69 bool
70 depends on GENERIC_CLOCKEVENTS
Russell King5388a6b2010-07-26 13:19:43 +010071 default y if SMP
Catalin Marinasa8655e82008-02-04 17:30:57 +010072
Rob Herringbf9dd362011-03-04 23:51:59 +010073config KTIME_SCALAR
74 bool
75 default y
76
Linus Walleijbc581772009-09-15 17:30:37 +010077config HAVE_TCM
78 bool
79 select GENERIC_ALLOCATOR
80
Russell Kinge119bff2010-01-10 17:23:29 +000081config HAVE_PROC_CPU
82 bool
83
Al Viro5ea81762007-02-11 15:41:31 +000084config NO_IOPORT
85 bool
Al Viro5ea81762007-02-11 15:41:31 +000086
Linus Torvalds1da177e2005-04-16 15:20:36 -070087config EISA
88 bool
89 ---help---
90 The Extended Industry Standard Architecture (EISA) bus was
91 developed as an open alternative to the IBM MicroChannel bus.
92
93 The EISA bus provided some of the features of the IBM MicroChannel
94 bus while maintaining backward compatibility with cards made for
95 the older ISA bus. The EISA bus saw limited use between 1988 and
96 1995 when it was made obsolete by the PCI bus.
97
98 Say Y here if you are building a kernel for an EISA-based machine.
99
100 Otherwise, say N.
101
102config SBUS
103 bool
104
105config MCA
106 bool
107 help
108 MicroChannel Architecture is found in some IBM PS/2 machines and
109 laptops. It is a bus system similar to PCI or ISA. See
110 <file:Documentation/mca.txt> (and especially the web page given
111 there) before attempting to build an MCA bus kernel.
112
Russell Kingf16fb1e2007-04-28 09:59:37 +0100113config STACKTRACE_SUPPORT
114 bool
115 default y
116
Nicolas Pitref76e9152008-04-24 01:31:46 -0400117config HAVE_LATENCYTOP_SUPPORT
118 bool
119 depends on !SMP
120 default y
121
Russell Kingf16fb1e2007-04-28 09:59:37 +0100122config LOCKDEP_SUPPORT
123 bool
124 default y
125
Russell King7ad1bcb2006-08-27 12:07:02 +0100126config TRACE_IRQFLAGS_SUPPORT
127 bool
128 default y
129
Thomas Gleixner4a2581a2006-07-01 22:30:09 +0100130config HARDIRQS_SW_RESEND
131 bool
132 default y
133
134config GENERIC_IRQ_PROBE
135 bool
136 default y
137
Nick Piggin95c354f2008-01-30 13:31:20 +0100138config GENERIC_LOCKBREAK
139 bool
140 default y
141 depends on SMP && PREEMPT
142
Linus Torvalds1da177e2005-04-16 15:20:36 -0700143config RWSEM_GENERIC_SPINLOCK
144 bool
145 default y
146
147config RWSEM_XCHGADD_ALGORITHM
148 bool
149
David Howellsf0d1b0b2006-12-08 02:37:49 -0800150config ARCH_HAS_ILOG2_U32
151 bool
David Howellsf0d1b0b2006-12-08 02:37:49 -0800152
153config ARCH_HAS_ILOG2_U64
154 bool
David Howellsf0d1b0b2006-12-08 02:37:49 -0800155
Ben Dooks89c52ed2009-07-30 23:23:24 +0100156config ARCH_HAS_CPUFREQ
157 bool
158 help
159 Internal node to signify that the ARCH has CPUFREQ support
160 and that the relevant menu configurations are displayed for
161 it.
162
Kevin Hilmanc7b0aff2010-10-01 22:13:47 +0100163config ARCH_HAS_CPU_IDLE_WAIT
164 def_bool y
165
Akinobu Mitab89c3b12006-03-26 01:39:19 -0800166config GENERIC_HWEIGHT
167 bool
168 default y
169
Linus Torvalds1da177e2005-04-16 15:20:36 -0700170config GENERIC_CALIBRATE_DELAY
171 bool
172 default y
173
viro@ZenIV.linux.org.uka08b6b72005-09-06 01:48:42 +0100174config ARCH_MAY_HAVE_PC_FDC
175 bool
176
Christoph Lameter5ac6da62007-02-10 01:43:14 -0800177config ZONE_DMA
178 bool
Christoph Lameter5ac6da62007-02-10 01:43:14 -0800179
FUJITA Tomonoriccd7ab72010-03-10 15:23:23 -0800180config NEED_DMA_MAP_STATE
181 def_bool y
182
Rob Herring58af4a22012-03-20 14:33:01 -0500183config ARCH_HAS_DMA_SET_COHERENT_MASK
184 bool
185
Linus Torvalds1da177e2005-04-16 15:20:36 -0700186config GENERIC_ISA_DMA
187 bool
188
Linus Torvalds1da177e2005-04-16 15:20:36 -0700189config FIQ
190 bool
191
Rob Herring13a50452012-02-07 09:28:22 -0600192config NEED_RET_TO_USER
193 bool
194
Al Viro034d2f52005-12-19 16:27:59 -0500195config ARCH_MTD_XIP
196 bool
197
Hyok S. Choic760fc12006-03-27 15:18:50 +0100198config VECTORS_BASE
199 hex
Hyok S. Choi6afd6fa2006-09-28 21:46:34 +0900200 default 0xffff0000 if MMU || CPU_HIGH_VECTOR
Hyok S. Choic760fc12006-03-27 15:18:50 +0100201 default DRAM_BASE if REMAP_VECTORS_TO_RAM
202 default 0x00000000
203 help
204 The base address of exception vectors.
205
Russell Kingdc21af92011-01-04 19:09:43 +0000206config ARM_PATCH_PHYS_VIRT
Russell Kingc1beced2011-08-10 10:23:45 +0100207 bool "Patch physical to virtual translations at runtime" if EMBEDDED
208 default y
Nicolas Pitreb511d752011-02-21 06:53:35 +0100209 depends on !XIP_KERNEL && MMU
Russell Kingdc21af92011-01-04 19:09:43 +0000210 depends on !ARCH_REALVIEW || !SPARSEMEM
211 help
Russell King111e9a52011-05-12 10:02:42 +0100212 Patch phys-to-virt and virt-to-phys translation functions at
213 boot and module load time according to the position of the
214 kernel in system memory.
Russell Kingdc21af92011-01-04 19:09:43 +0000215
Russell King111e9a52011-05-12 10:02:42 +0100216 This can only be used with non-XIP MMU kernels where the base
Nicolas Pitredaece592011-08-12 00:14:29 +0100217 of physical memory is at a 16MB boundary.
Russell Kingdc21af92011-01-04 19:09:43 +0000218
Russell Kingc1beced2011-08-10 10:23:45 +0100219 Only disable this option if you know that you do not require
220 this feature (eg, building a kernel for a single machine) and
221 you need to shrink the kernel to the minimal size.
222
Rob Herringc334bc12012-03-04 22:03:33 -0600223config NEED_MACH_IO_H
224 bool
225 help
226 Select this when mach/io.h is required to provide special
227 definitions for this platform. The need for mach/io.h should
228 be avoided when possible.
229
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400230config NEED_MACH_MEMORY_H
Nicolas Pitre1b9f95f2011-07-05 22:52:51 -0400231 bool
Russell King111e9a52011-05-12 10:02:42 +0100232 help
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400233 Select this when mach/memory.h is required to provide special
234 definitions for this platform. The need for mach/memory.h should
235 be avoided when possible.
Nicolas Pitre1b9f95f2011-07-05 22:52:51 -0400236
237config PHYS_OFFSET
Nicolas Pitre974c0722011-12-02 23:09:42 +0100238 hex "Physical address of main memory" if MMU
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400239 depends on !ARM_PATCH_PHYS_VIRT && !NEED_MACH_MEMORY_H
Nicolas Pitre974c0722011-12-02 23:09:42 +0100240 default DRAM_BASE if !MMU
Nicolas Pitre1b9f95f2011-07-05 22:52:51 -0400241 help
242 Please provide the physical address corresponding to the
243 location of main memory in your system.
Russell Kingcada3c02011-01-04 19:39:29 +0000244
Simon Glass87e040b2011-08-16 23:44:26 +0100245config GENERIC_BUG
246 def_bool y
247 depends on BUG
248
Linus Torvalds1da177e2005-04-16 15:20:36 -0700249source "init/Kconfig"
250
Matt Helsleydc52ddc2008-10-18 20:27:21 -0700251source "kernel/Kconfig.freezer"
252
Linus Torvalds1da177e2005-04-16 15:20:36 -0700253menu "System Type"
254
Hyok S. Choi3c427972009-07-24 12:35:00 +0100255config MMU
256 bool "MMU-based Paged Memory Management Support"
257 default y
258 help
259 Select if you want MMU-based virtualised addressing space
260 support by paged memory management. If unsure, say 'Y'.
261
Russell Kingccf50e22010-03-15 19:03:06 +0000262#
263# The "ARM system type" choice list is ordered alphabetically by option
264# text. Please add new entries in the option alphabetic order.
265#
Linus Torvalds1da177e2005-04-16 15:20:36 -0700266choice
267 prompt "ARM system type"
Catalin Marinas6a0e2432006-03-07 14:42:27 +0000268 default ARCH_VERSATILE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700269
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100270config ARCH_INTEGRATOR
271 bool "ARM Ltd. Integrator family"
272 select ARM_AMBA
Ben Dooks89c52ed2009-07-30 23:23:24 +0100273 select ARCH_HAS_CPUFREQ
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100274 select CLKDEV_LOOKUP
Kyungmin Parkaa3831c2011-07-18 16:34:54 +0900275 select HAVE_MACH_CLKDEV
Linus Walleij9904f792011-12-09 10:29:23 +0100276 select HAVE_TCM
Russell Kingc5a0adb2010-01-16 20:16:10 +0000277 select ICST
Russell King13edd862010-01-15 21:49:23 +0000278 select GENERIC_CLOCKEVENTS
Russell Kingf4b8b312010-01-14 12:48:06 +0000279 select PLAT_VERSATILE
Russell Kingc41b16f2011-01-19 15:32:15 +0000280 select PLAT_VERSATILE_FPGA_IRQ
Rob Herringc334bc12012-03-04 22:03:33 -0600281 select NEED_MACH_IO_H
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400282 select NEED_MACH_MEMORY_H
Linus Walleij695436e2012-02-26 10:46:48 +0100283 select SPARSE_IRQ
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100284 help
285 Support for ARM's Integrator platform.
286
287config ARCH_REALVIEW
288 bool "ARM Ltd. RealView family"
289 select ARM_AMBA
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100290 select CLKDEV_LOOKUP
Kyungmin Parkaa3831c2011-07-18 16:34:54 +0900291 select HAVE_MACH_CLKDEV
Russell Kingc5a0adb2010-01-16 20:16:10 +0000292 select ICST
Catalin Marinasae30cea2008-02-04 17:26:55 +0100293 select GENERIC_CLOCKEVENTS
Russell Kingeb7fffa2009-07-05 22:41:31 +0100294 select ARCH_WANT_OPTIONAL_GPIOLIB
Russell Kingf4b8b312010-01-14 12:48:06 +0000295 select PLAT_VERSATILE
Russell King3cb5ee42011-01-18 20:13:20 +0000296 select PLAT_VERSATILE_CLCD
Russell Kinge3887712010-01-14 13:30:16 +0000297 select ARM_TIMER_SP804
Colin Tuckleyb56ba8a2010-02-24 15:23:10 +0100298 select GPIO_PL061 if GPIOLIB
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400299 select NEED_MACH_MEMORY_H
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100300 help
301 This enables support for ARM Ltd RealView boards.
302
303config ARCH_VERSATILE
304 bool "ARM Ltd. Versatile family"
305 select ARM_AMBA
306 select ARM_VIC
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100307 select CLKDEV_LOOKUP
Kyungmin Parkaa3831c2011-07-18 16:34:54 +0900308 select HAVE_MACH_CLKDEV
Russell Kingc5a0adb2010-01-16 20:16:10 +0000309 select ICST
Kevin Hilman89df1272007-03-08 20:30:38 +0100310 select GENERIC_CLOCKEVENTS
Russell Kingbbeddc42009-07-05 22:43:01 +0100311 select ARCH_WANT_OPTIONAL_GPIOLIB
Russell Kingf4b8b312010-01-14 12:48:06 +0000312 select PLAT_VERSATILE
Russell King3414ba82011-01-18 20:12:10 +0000313 select PLAT_VERSATILE_CLCD
Russell Kingc41b16f2011-01-19 15:32:15 +0000314 select PLAT_VERSATILE_FPGA_IRQ
Russell Kinge3887712010-01-14 13:30:16 +0000315 select ARM_TIMER_SP804
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100316 help
317 This enables support for ARM Ltd Versatile board.
318
Russell Kingceade892010-02-11 21:44:53 +0000319config ARCH_VEXPRESS
320 bool "ARM Ltd. Versatile Express family"
321 select ARCH_WANT_OPTIONAL_GPIOLIB
322 select ARM_AMBA
323 select ARM_TIMER_SP804
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100324 select CLKDEV_LOOKUP
Kyungmin Parkaa3831c2011-07-18 16:34:54 +0900325 select HAVE_MACH_CLKDEV
Russell Kingceade892010-02-11 21:44:53 +0000326 select GENERIC_CLOCKEVENTS
Russell Kingceade892010-02-11 21:44:53 +0000327 select HAVE_CLK
Nick Bowler95c34f82011-01-21 15:51:06 +0100328 select HAVE_PATA_PLATFORM
Russell Kingceade892010-02-11 21:44:53 +0000329 select ICST
Russell Kingba81f502012-02-15 11:55:22 +0000330 select NO_IOPORT
Russell Kingceade892010-02-11 21:44:53 +0000331 select PLAT_VERSATILE
Russell King0fb44b92011-01-18 20:13:51 +0000332 select PLAT_VERSATILE_CLCD
Russell Kingceade892010-02-11 21:44:53 +0000333 help
334 This enables support for the ARM Ltd Versatile Express boards.
335
Andrew Victor8fc5ffa2006-06-29 16:06:33 +0100336config ARCH_AT91
337 bool "Atmel AT91"
Ryan Mallonf373e8c2009-02-10 21:02:08 +0100338 select ARCH_REQUIRE_GPIOLIB
David Brownell93686ae2008-07-28 15:46:22 -0700339 select HAVE_CLK
Jean-Christophe PLAGNIOL-VILLARDbd602992011-02-02 07:27:07 +0100340 select CLKDEV_LOOKUP
Nicolas Ferree2615012011-11-22 22:26:09 +0100341 select IRQ_DOMAIN
Rob Herring1ac02d72012-04-04 17:48:04 -0500342 select NEED_MACH_IO_H if PCCARD
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100343 help
Andrew Victor2b3b3512008-01-24 15:10:39 +0100344 This enables support for systems based on the Atmel AT91RM9200,
Jean-Christophe PLAGNIOL-VILLARD9918cea2012-01-26 14:07:09 +0100345 AT91SAM9 processors.
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100346
Russell Kingccf50e22010-03-15 19:03:06 +0000347config ARCH_BCMRING
348 bool "Broadcom BCMRING"
349 depends on MMU
350 select CPU_V6
351 select ARM_AMBA
Russell King82d63732011-05-12 13:43:39 +0100352 select ARM_TIMER_SP804
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100353 select CLKDEV_LOOKUP
Russell Kingccf50e22010-03-15 19:03:06 +0000354 select GENERIC_CLOCKEVENTS
355 select ARCH_WANT_OPTIONAL_GPIOLIB
356 help
357 Support for Broadcom's BCMRing platform.
358
Rob Herring220e6cf2011-06-07 10:02:55 -0500359config ARCH_HIGHBANK
360 bool "Calxeda Highbank-based"
361 select ARCH_WANT_OPTIONAL_GPIOLIB
362 select ARM_AMBA
363 select ARM_GIC
364 select ARM_TIMER_SP804
Dave Martin22d80372011-12-12 16:17:34 +0000365 select CACHE_L2X0
Rob Herring220e6cf2011-06-07 10:02:55 -0500366 select CLKDEV_LOOKUP
367 select CPU_V7
368 select GENERIC_CLOCKEVENTS
369 select HAVE_ARM_SCU
Dave Martin3b556582011-12-07 15:38:04 +0000370 select HAVE_SMP
Rob Herringfdfa64a2012-01-03 14:44:31 -0600371 select SPARSE_IRQ
Rob Herring220e6cf2011-06-07 10:02:55 -0500372 select USE_OF
373 help
374 Support for the Calxeda Highbank SoC based boards.
375
Linus Torvalds1da177e2005-04-16 15:20:36 -0700376config ARCH_CLPS711X
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100377 bool "Cirrus Logic CLPS711x/EP721x-based"
Russell Kingc7508152008-10-26 10:55:14 +0000378 select CPU_ARM720T
John Stultz5cfc8ee2010-03-24 00:22:36 +0000379 select ARCH_USES_GETTIMEOFFSET
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400380 select NEED_MACH_MEMORY_H
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000381 help
382 Support for Cirrus Logic 711x/721x based boards.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700383
Anton Vorontsovd94f9442010-03-25 17:12:41 +0300384config ARCH_CNS3XXX
385 bool "Cavium Networks CNS3XXX family"
Imre Kaloz00d27112011-07-07 12:19:09 +0200386 select CPU_V6K
Anton Vorontsovd94f9442010-03-25 17:12:41 +0300387 select GENERIC_CLOCKEVENTS
388 select ARM_GIC
Dave Martince5ea9f2011-11-29 15:56:19 +0000389 select MIGHT_HAVE_CACHE_L2X0
Hans Ulli Kroll0b05da72010-12-02 12:32:15 +0100390 select MIGHT_HAVE_PCI
Anton Vorontsov5f32f7a2010-05-28 13:10:52 +0400391 select PCI_DOMAINS if PCI
Anton Vorontsovd94f9442010-03-25 17:12:41 +0300392 help
393 Support for Cavium Networks CNS3XXX platform.
394
Russell King788c9702009-04-26 14:21:59 +0100395config ARCH_GEMINI
396 bool "Cortina Systems Gemini"
397 select CPU_FA526
Russell King788c9702009-04-26 14:21:59 +0100398 select ARCH_REQUIRE_GPIOLIB
John Stultz5cfc8ee2010-03-24 00:22:36 +0000399 select ARCH_USES_GETTIMEOFFSET
Russell King788c9702009-04-26 14:21:59 +0100400 help
401 Support for the Cortina Systems Gemini family SoCs
402
Arnd Bergmann3a6cb8c2011-07-17 21:43:26 +0200403config ARCH_PRIMA2
404 bool "CSR SiRFSoC PRIMA2 ARM Cortex A9 Platform"
405 select CPU_V7
Arnd Bergmann3a6cb8c2011-07-17 21:43:26 +0200406 select NO_IOPORT
407 select GENERIC_CLOCKEVENTS
408 select CLKDEV_LOOKUP
409 select GENERIC_IRQ_CHIP
Dave Martince5ea9f2011-11-29 15:56:19 +0000410 select MIGHT_HAVE_CACHE_L2X0
Arnd Bergmann3a6cb8c2011-07-17 21:43:26 +0200411 select USE_OF
412 select ZONE_DMA
413 help
414 Support for CSR SiRFSoC ARM Cortex A9 Platform
415
Linus Torvalds1da177e2005-04-16 15:20:36 -0700416config ARCH_EBSA110
417 bool "EBSA-110"
Russell Kingc7508152008-10-26 10:55:14 +0000418 select CPU_SA110
Russell Kingf7e68bb2005-05-05 14:49:01 +0100419 select ISA
Russell Kingc5eb2a22007-03-03 11:54:19 +0000420 select NO_IOPORT
John Stultz5cfc8ee2010-03-24 00:22:36 +0000421 select ARCH_USES_GETTIMEOFFSET
Rob Herringc334bc12012-03-04 22:03:33 -0600422 select NEED_MACH_IO_H
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400423 select NEED_MACH_MEMORY_H
Linus Torvalds1da177e2005-04-16 15:20:36 -0700424 help
425 This is an evaluation board for the StrongARM processor available
Martin Michlmayrf6c89652006-02-08 21:09:07 +0000426 from Digital. It has limited hardware on-board, including an
Linus Torvalds1da177e2005-04-16 15:20:36 -0700427 Ethernet interface, two PCMCIA sockets, two serial ports and a
428 parallel port.
429
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000430config ARCH_EP93XX
431 bool "EP93xx-based"
Russell Kingc7508152008-10-26 10:55:14 +0000432 select CPU_ARM920T
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000433 select ARM_AMBA
434 select ARM_VIC
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100435 select CLKDEV_LOOKUP
Michael Buesch7444a722008-07-25 01:46:11 -0700436 select ARCH_REQUIRE_GPIOLIB
Mel Gormaneb335752009-05-13 17:34:48 +0100437 select ARCH_HAS_HOLES_MEMORYMODEL
John Stultz5cfc8ee2010-03-24 00:22:36 +0000438 select ARCH_USES_GETTIMEOFFSET
Arnd Bergmann5725aea2011-10-31 23:11:46 +0100439 select NEED_MACH_MEMORY_H
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000440 help
441 This enables support for the Cirrus EP93xx series of CPUs.
442
Linus Torvalds1da177e2005-04-16 15:20:36 -0700443config ARCH_FOOTBRIDGE
444 bool "FootBridge"
Russell Kingc7508152008-10-26 10:55:14 +0000445 select CPU_SA110
Linus Torvalds1da177e2005-04-16 15:20:36 -0700446 select FOOTBRIDGE
Russell King4e8d7632011-01-28 21:00:39 +0000447 select GENERIC_CLOCKEVENTS
Arnd Bergmannd0ee9f42011-10-01 21:10:32 +0200448 select HAVE_IDE
Rob Herringc334bc12012-03-04 22:03:33 -0600449 select NEED_MACH_IO_H
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400450 select NEED_MACH_MEMORY_H
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000451 help
452 Support for systems based on the DC21285 companion chip
453 ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700454
Russell King788c9702009-04-26 14:21:59 +0100455config ARCH_MXC
456 bool "Freescale MXC/iMX-based"
Russell King788c9702009-04-26 14:21:59 +0100457 select GENERIC_CLOCKEVENTS
Russell King788c9702009-04-26 14:21:59 +0100458 select ARCH_REQUIRE_GPIOLIB
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100459 select CLKDEV_LOOKUP
Russell King234b6ced2011-05-08 14:09:47 +0100460 select CLKSRC_MMIO
Shawn Guo8b6c44f2011-06-07 13:59:14 +0800461 select GENERIC_IRQ_CHIP
Sascha Hauerffa2ea32011-09-20 14:31:24 +0200462 select MULTI_IRQ_HANDLER
Russell King788c9702009-04-26 14:21:59 +0100463 help
464 Support for Freescale MXC/iMX-based family of processors
465
Shawn Guo1d3f33d2010-12-13 20:55:03 +0800466config ARCH_MXS
467 bool "Freescale MXS-based"
468 select GENERIC_CLOCKEVENTS
469 select ARCH_REQUIRE_GPIOLIB
Sascha Hauerb9214b92011-01-13 16:59:25 +0100470 select CLKDEV_LOOKUP
Russell King5c61ddc2011-05-08 17:21:49 +0100471 select CLKSRC_MMIO
Shawn Guo6abda3e2011-12-20 16:12:34 +0800472 select HAVE_CLK_PREPARE
Shawn Guo1d3f33d2010-12-13 20:55:03 +0800473 help
474 Support for Freescale MXS-based family of processors
475
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100476config ARCH_NETX
477 bool "Hilscher NetX based"
Russell King234b6ced2011-05-08 14:09:47 +0100478 select CLKSRC_MMIO
Russell Kingc7508152008-10-26 10:55:14 +0000479 select CPU_ARM926T
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100480 select ARM_VIC
Uwe Kleine-König2fcfe6b2008-12-09 21:57:24 +0100481 select GENERIC_CLOCKEVENTS
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000482 help
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100483 This enables support for systems based on the Hilscher NetX Soc
484
485config ARCH_H720X
486 bool "Hynix HMS720x-based"
Russell Kingc7508152008-10-26 10:55:14 +0000487 select CPU_ARM720T
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100488 select ISA_DMA_API
John Stultz5cfc8ee2010-03-24 00:22:36 +0000489 select ARCH_USES_GETTIMEOFFSET
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100490 help
491 This enables support for systems based on the Hynix HMS720x
492
Russell King3b938be2007-05-12 11:25:44 +0100493config ARCH_IOP13XX
494 bool "IOP13xx-based"
495 depends on MMU
Russell Kingc7508152008-10-26 10:55:14 +0000496 select CPU_XSC3
Russell King3b938be2007-05-12 11:25:44 +0100497 select PLAT_IOP
498 select PCI
499 select ARCH_SUPPORTS_MSI
Lennert Buytenhek8d5796d2008-08-25 21:03:32 +0100500 select VMSPLIT_1G
Rob Herringc334bc12012-03-04 22:03:33 -0600501 select NEED_MACH_IO_H
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400502 select NEED_MACH_MEMORY_H
Rob Herring13a50452012-02-07 09:28:22 -0600503 select NEED_RET_TO_USER
Russell King3b938be2007-05-12 11:25:44 +0100504 help
505 Support for Intel's IOP13XX (XScale) family of processors.
506
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100507config ARCH_IOP32X
508 bool "IOP32x-based"
Russell Kinga4f7e762006-06-28 12:52:41 +0100509 depends on MMU
Russell Kingc7508152008-10-26 10:55:14 +0000510 select CPU_XSCALE
Rob Herringc334bc12012-03-04 22:03:33 -0600511 select NEED_MACH_IO_H
Rob Herring13a50452012-02-07 09:28:22 -0600512 select NEED_RET_TO_USER
Lennert Buytenhek7ae1f7e2006-09-18 23:12:53 +0100513 select PLAT_IOP
Russell Kingf7e68bb2005-05-05 14:49:01 +0100514 select PCI
Russell Kingbb2b1802008-07-26 15:36:03 +0100515 select ARCH_REQUIRE_GPIOLIB
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000516 help
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100517 Support for Intel's 80219 and IOP32X (XScale) family of
518 processors.
519
520config ARCH_IOP33X
521 bool "IOP33x-based"
522 depends on MMU
Russell Kingc7508152008-10-26 10:55:14 +0000523 select CPU_XSCALE
Rob Herringc334bc12012-03-04 22:03:33 -0600524 select NEED_MACH_IO_H
Rob Herring13a50452012-02-07 09:28:22 -0600525 select NEED_RET_TO_USER
Lennert Buytenhek7ae1f7e2006-09-18 23:12:53 +0100526 select PLAT_IOP
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100527 select PCI
Russell Kingbb2b1802008-07-26 15:36:03 +0100528 select ARCH_REQUIRE_GPIOLIB
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100529 help
530 Support for Intel's IOP33X (XScale) family of processors.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700531
Russell King3b938be2007-05-12 11:25:44 +0100532config ARCH_IXP23XX
533 bool "IXP23XX-based"
Dan Williams588ef762007-02-13 17:12:04 +0100534 depends on MMU
Russell Kingc7508152008-10-26 10:55:14 +0000535 select CPU_XSC3
Russell King3b938be2007-05-12 11:25:44 +0100536 select PCI
John Stultz5cfc8ee2010-03-24 00:22:36 +0000537 select ARCH_USES_GETTIMEOFFSET
Rob Herringc334bc12012-03-04 22:03:33 -0600538 select NEED_MACH_IO_H
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400539 select NEED_MACH_MEMORY_H
Dan Williams285f5fa2006-12-07 02:59:39 +0100540 help
Russell King3b938be2007-05-12 11:25:44 +0100541 Support for Intel's IXP23xx (XScale) family of processors.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700542
543config ARCH_IXP2000
544 bool "IXP2400/2800-based"
Russell Kinga4f7e762006-06-28 12:52:41 +0100545 depends on MMU
Russell Kingc7508152008-10-26 10:55:14 +0000546 select CPU_XSCALE
Russell Kingf7e68bb2005-05-05 14:49:01 +0100547 select PCI
John Stultz5cfc8ee2010-03-24 00:22:36 +0000548 select ARCH_USES_GETTIMEOFFSET
Rob Herringc334bc12012-03-04 22:03:33 -0600549 select NEED_MACH_IO_H
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400550 select NEED_MACH_MEMORY_H
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000551 help
552 Support for Intel's IXP2400/2800 (XScale) family of processors.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700553
Russell King3b938be2007-05-12 11:25:44 +0100554config ARCH_IXP4XX
555 bool "IXP4xx-based"
Russell Kinga4f7e762006-06-28 12:52:41 +0100556 depends on MMU
Rob Herring58af4a22012-03-20 14:33:01 -0500557 select ARCH_HAS_DMA_SET_COHERENT_MASK
Russell King234b6ced2011-05-08 14:09:47 +0100558 select CLKSRC_MMIO
Russell Kingc7508152008-10-26 10:55:14 +0000559 select CPU_XSCALE
Milan Svoboda8858e9a2007-05-14 07:50:42 +0100560 select GENERIC_GPIO
Russell King3b938be2007-05-12 11:25:44 +0100561 select GENERIC_CLOCKEVENTS
Hans Ulli Kroll0b05da72010-12-02 12:32:15 +0100562 select MIGHT_HAVE_PCI
Rob Herringc334bc12012-03-04 22:03:33 -0600563 select NEED_MACH_IO_H
Russell King485bdde2008-10-17 14:00:43 +0100564 select DMABOUNCE if PCI
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100565 help
Russell King3b938be2007-05-12 11:25:44 +0100566 Support for Intel's IXP4XX (XScale) family of processors.
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100567
Saeed Bisharaedabd382009-08-06 15:12:43 +0300568config ARCH_DOVE
569 bool "Marvell Dove"
Konstantin Porotchkin7b769bb2011-04-07 13:49:41 +0300570 select CPU_V7
Saeed Bisharaedabd382009-08-06 15:12:43 +0300571 select PCI
Saeed Bisharaedabd382009-08-06 15:12:43 +0300572 select ARCH_REQUIRE_GPIOLIB
Saeed Bisharaedabd382009-08-06 15:12:43 +0300573 select GENERIC_CLOCKEVENTS
Rob Herringc334bc12012-03-04 22:03:33 -0600574 select NEED_MACH_IO_H
Saeed Bisharaedabd382009-08-06 15:12:43 +0300575 select PLAT_ORION
576 help
577 Support for the Marvell Dove SoC 88AP510
578
Saeed Bishara651c74c2008-06-22 22:45:06 +0200579config ARCH_KIRKWOOD
580 bool "Marvell Kirkwood"
Russell Kingc7508152008-10-26 10:55:14 +0000581 select CPU_FEROCEON
Saeed Bishara651c74c2008-06-22 22:45:06 +0200582 select PCI
Erik Benadaa8865652009-05-28 17:08:55 -0700583 select ARCH_REQUIRE_GPIOLIB
Saeed Bishara651c74c2008-06-22 22:45:06 +0200584 select GENERIC_CLOCKEVENTS
Rob Herringc334bc12012-03-04 22:03:33 -0600585 select NEED_MACH_IO_H
Saeed Bishara651c74c2008-06-22 22:45:06 +0200586 select PLAT_ORION
587 help
588 Support for the following Marvell Kirkwood series SoCs:
589 88F6180, 88F6192 and 88F6281.
590
Kevin Wells40805942010-07-27 08:49:04 -0700591config ARCH_LPC32XX
592 bool "NXP LPC32XX"
Russell King234b6ced2011-05-08 14:09:47 +0100593 select CLKSRC_MMIO
Kevin Wells40805942010-07-27 08:49:04 -0700594 select CPU_ARM926T
595 select ARCH_REQUIRE_GPIOLIB
596 select HAVE_IDE
597 select ARM_AMBA
598 select USB_ARCH_HAS_OHCI
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100599 select CLKDEV_LOOKUP
Kevin Wells40805942010-07-27 08:49:04 -0700600 select GENERIC_CLOCKEVENTS
601 help
602 Support for the NXP LPC32XX family of processors
603
Russell King788c9702009-04-26 14:21:59 +0100604config ARCH_MV78XX0
605 bool "Marvell MV78xx0"
606 select CPU_FEROCEON
607 select PCI
Erik Benadaa8865652009-05-28 17:08:55 -0700608 select ARCH_REQUIRE_GPIOLIB
Russell King788c9702009-04-26 14:21:59 +0100609 select GENERIC_CLOCKEVENTS
Rob Herringc334bc12012-03-04 22:03:33 -0600610 select NEED_MACH_IO_H
Russell King788c9702009-04-26 14:21:59 +0100611 select PLAT_ORION
612 help
613 Support for the following Marvell MV78xx0 series SoCs:
614 MV781x0, MV782x0.
615
616config ARCH_ORION5X
617 bool "Marvell Orion"
618 depends on MMU
619 select CPU_FEROCEON
620 select PCI
Erik Benadaa8865652009-05-28 17:08:55 -0700621 select ARCH_REQUIRE_GPIOLIB
Russell King788c9702009-04-26 14:21:59 +0100622 select GENERIC_CLOCKEVENTS
623 select PLAT_ORION
624 help
625 Support for the following Marvell Orion 5x series SoCs:
626 Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182),
627 Orion-2 (5281), Orion-1-90 (6183).
628
629config ARCH_MMP
Haojian Zhuang2f7e8fa2009-12-04 09:41:28 -0500630 bool "Marvell PXA168/910/MMP2"
Russell King788c9702009-04-26 14:21:59 +0100631 depends on MMU
Russell King788c9702009-04-26 14:21:59 +0100632 select ARCH_REQUIRE_GPIOLIB
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100633 select CLKDEV_LOOKUP
Russell King788c9702009-04-26 14:21:59 +0100634 select GENERIC_CLOCKEVENTS
Haojian Zhuang157d2642011-10-17 20:37:52 +0800635 select GPIO_PXA
Russell King788c9702009-04-26 14:21:59 +0100636 select TICK_ONESHOT
637 select PLAT_PXA
Haojian Zhuang0bd86962010-09-08 09:42:42 -0400638 select SPARSE_IRQ
Leo Yan3c7241b2011-08-15 11:09:52 +0800639 select GENERIC_ALLOCATOR
Russell King788c9702009-04-26 14:21:59 +0100640 help
Haojian Zhuang2f7e8fa2009-12-04 09:41:28 -0500641 Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line.
Russell King788c9702009-04-26 14:21:59 +0100642
Andrew Victorc53c9cf2007-05-11 21:01:28 +0100643config ARCH_KS8695
644 bool "Micrel/Kendin KS8695"
Russell Kingc7508152008-10-26 10:55:14 +0000645 select CPU_ARM922T
Hartley Sweeten98830bc2010-05-17 17:18:10 +0100646 select ARCH_REQUIRE_GPIOLIB
John Stultz5cfc8ee2010-03-24 00:22:36 +0000647 select ARCH_USES_GETTIMEOFFSET
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400648 select NEED_MACH_MEMORY_H
Andrew Victorc53c9cf2007-05-11 21:01:28 +0100649 help
650 Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based
651 System-on-Chip devices.
652
Russell King788c9702009-04-26 14:21:59 +0100653config ARCH_W90X900
654 bool "Nuvoton W90X900 CPU"
655 select CPU_ARM926T
wanzongshunc52d3d62009-06-10 15:49:32 +0100656 select ARCH_REQUIRE_GPIOLIB
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100657 select CLKDEV_LOOKUP
Russell King6fa5d5f2011-05-08 15:34:39 +0100658 select CLKSRC_MMIO
wanzongshun58b53692009-08-14 15:36:44 +0100659 select GENERIC_CLOCKEVENTS
Lennert Buytenhek777f9be2008-06-22 22:45:02 +0200660 help
wanzongshuna8bc4ea2009-08-14 15:38:29 +0100661 Support for Nuvoton (Winbond logic dept.) ARM9 processor,
662 At present, the w90x900 has been renamed nuc900, regarding
663 the ARM series product line, you can login the following
664 link address to know more.
665
666 <http://www.nuvoton.com/hq/enu/ProductAndSales/ProductLines/
667 ConsumerElectronicsIC/ARMMicrocontroller/ARMMicrocontroller>
Tzachi Perelstein585cf172007-10-23 15:14:41 -0400668
Erik Gillingc5f80062010-01-21 16:53:02 -0800669config ARCH_TEGRA
670 bool "NVIDIA Tegra"
Russell King40737232011-01-06 22:32:52 +0000671 select CLKDEV_LOOKUP
Russell King234b6ced2011-05-08 14:09:47 +0100672 select CLKSRC_MMIO
Erik Gillingc5f80062010-01-21 16:53:02 -0800673 select GENERIC_CLOCKEVENTS
674 select GENERIC_GPIO
675 select HAVE_CLK
Dave Martin3b556582011-12-07 15:38:04 +0000676 select HAVE_SMP
Dave Martince5ea9f2011-11-29 15:56:19 +0000677 select MIGHT_HAVE_CACHE_L2X0
Rob Herringc334bc12012-03-04 22:03:33 -0600678 select NEED_MACH_IO_H if PCI
Colin Cross7056d422010-04-22 20:30:13 -0700679 select ARCH_HAS_CPUFREQ
Erik Gillingc5f80062010-01-21 16:53:02 -0800680 help
681 This enables support for NVIDIA Tegra based systems (Tegra APX,
682 Tegra 6xx and Tegra 2 series).
683
Jamie Ilesaf756552011-07-25 17:36:42 +0100684config ARCH_PICOXCELL
685 bool "Picochip picoXcell"
686 select ARCH_REQUIRE_GPIOLIB
687 select ARM_PATCH_PHYS_VIRT
688 select ARM_VIC
689 select CPU_V6K
690 select DW_APB_TIMER
691 select GENERIC_CLOCKEVENTS
692 select GENERIC_GPIO
Jamie Ilesaf756552011-07-25 17:36:42 +0100693 select HAVE_TCM
694 select NO_IOPORT
Jamie Iles98e27a52011-12-12 20:17:37 +0000695 select SPARSE_IRQ
Jamie Ilesaf756552011-07-25 17:36:42 +0100696 select USE_OF
697 help
698 This enables support for systems based on the Picochip picoXcell
699 family of Femtocell devices. The picoxcell support requires device tree
700 for all boards.
701
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100702config ARCH_PNX4008
703 bool "Philips Nexperia PNX4008 Mobile"
Russell Kingc7508152008-10-26 10:55:14 +0000704 select CPU_ARM926T
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100705 select CLKDEV_LOOKUP
John Stultz5cfc8ee2010-03-24 00:22:36 +0000706 select ARCH_USES_GETTIMEOFFSET
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100707 help
708 This enables support for Philips PNX4008 mobile platform.
709
Linus Torvalds1da177e2005-04-16 15:20:36 -0700710config ARCH_PXA
eric miao2c8086a2007-09-11 19:13:17 -0700711 bool "PXA2xx/PXA3xx-based"
Russell Kinga4f7e762006-06-28 12:52:41 +0100712 depends on MMU
Al Viro034d2f52005-12-19 16:27:59 -0500713 select ARCH_MTD_XIP
Ben Dooks89c52ed2009-07-30 23:23:24 +0100714 select ARCH_HAS_CPUFREQ
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100715 select CLKDEV_LOOKUP
Russell King234b6ced2011-05-08 14:09:47 +0100716 select CLKSRC_MMIO
Michael Buesch7444a722008-07-25 01:46:11 -0700717 select ARCH_REQUIRE_GPIOLIB
Eric Miao981d0f32007-07-24 01:22:43 +0100718 select GENERIC_CLOCKEVENTS
Haojian Zhuang157d2642011-10-17 20:37:52 +0800719 select GPIO_PXA
Russell Kinga88264c2007-11-12 22:45:16 +0000720 select TICK_ONESHOT
Eric Miaobd5ce432009-01-20 12:06:01 +0800721 select PLAT_PXA
Haojian Zhuang6ac6b812010-08-20 15:23:59 +0800722 select SPARSE_IRQ
Eric Miao4e234cc2011-04-04 15:06:33 +0800723 select AUTO_ZRELADDR
Eric Miao8a97ae22011-05-18 21:30:04 +0800724 select MULTI_IRQ_HANDLER
Arnd Bergmann15e0d9e2011-10-01 21:09:39 +0200725 select ARM_CPU_SUSPEND if PM
Arnd Bergmannd0ee9f42011-10-01 21:10:32 +0200726 select HAVE_IDE
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000727 help
eric miao2c8086a2007-09-11 19:13:17 -0700728 Support for Intel/Marvell's PXA2xx/PXA3xx processor line.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700729
Russell King788c9702009-04-26 14:21:59 +0100730config ARCH_MSM
731 bool "Qualcomm MSM"
Steve Muckle4b536b82008-12-29 16:17:22 -0500732 select HAVE_CLK
Eric Miao49cbe782009-01-20 14:15:18 +0800733 select GENERIC_CLOCKEVENTS
Pavel Machek923a0812010-06-02 11:11:12 -0700734 select ARCH_REQUIRE_GPIOLIB
Stephen Boydbd323442011-02-23 09:37:42 -0800735 select CLKDEV_LOOKUP
Eric Miao49cbe782009-01-20 14:15:18 +0800736 help
Daniel Walker4b53eb42010-01-01 15:11:43 -0800737 Support for Qualcomm MSM/QSD based systems. This runs on the
738 apps processor of the MSM/QSD and depends on a shared memory
739 interface to the modem processor which runs the baseband
740 stack and controls some vital subsystems
741 (clock and power control, etc).
Eric Miao49cbe782009-01-20 14:15:18 +0800742
Magnus Dammc793c1b2010-02-05 11:14:49 +0000743config ARCH_SHMOBILE
Paul Mundt6d72ad32010-11-16 16:10:20 +0900744 bool "Renesas SH-Mobile / R-Mobile"
745 select HAVE_CLK
Paul Mundt5e93c6b2011-01-07 10:29:26 +0900746 select CLKDEV_LOOKUP
Kyungmin Parkaa3831c2011-07-18 16:34:54 +0900747 select HAVE_MACH_CLKDEV
Dave Martin3b556582011-12-07 15:38:04 +0000748 select HAVE_SMP
Paul Mundt6d72ad32010-11-16 16:10:20 +0900749 select GENERIC_CLOCKEVENTS
Dave Martince5ea9f2011-11-29 15:56:19 +0000750 select MIGHT_HAVE_CACHE_L2X0
Paul Mundt6d72ad32010-11-16 16:10:20 +0900751 select NO_IOPORT
752 select SPARSE_IRQ
Magnus Damm60f14352010-12-28 08:26:52 +0000753 select MULTI_IRQ_HANDLER
Rafael J. Wysockie3e01092011-07-01 22:13:56 +0200754 select PM_GENERIC_DOMAINS if PM
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400755 select NEED_MACH_MEMORY_H
Magnus Dammc793c1b2010-02-05 11:14:49 +0000756 help
Paul Mundt6d72ad32010-11-16 16:10:20 +0900757 Support for Renesas's SH-Mobile and R-Mobile ARM platforms.
Magnus Dammc793c1b2010-02-05 11:14:49 +0000758
Linus Torvalds1da177e2005-04-16 15:20:36 -0700759config ARCH_RPC
760 bool "RiscPC"
761 select ARCH_ACORN
762 select FIQ
viro@ZenIV.linux.org.uka08b6b72005-09-06 01:48:42 +0100763 select ARCH_MAY_HAVE_PC_FDC
Ben Dooks341eb782008-07-01 14:16:49 +0100764 select HAVE_PATA_PLATFORM
Russell King065909b2006-01-04 15:44:16 +0000765 select ISA_DMA_API
Al Viro5ea81762007-02-11 15:41:31 +0000766 select NO_IOPORT
Russell King07f841b2008-10-01 17:11:06 +0100767 select ARCH_SPARSEMEM_ENABLE
John Stultz5cfc8ee2010-03-24 00:22:36 +0000768 select ARCH_USES_GETTIMEOFFSET
Arnd Bergmannd0ee9f42011-10-01 21:10:32 +0200769 select HAVE_IDE
Rob Herringc334bc12012-03-04 22:03:33 -0600770 select NEED_MACH_IO_H
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400771 select NEED_MACH_MEMORY_H
Linus Torvalds1da177e2005-04-16 15:20:36 -0700772 help
773 On the Acorn Risc-PC, Linux can support the internal IDE disk and
774 CD-ROM interface, serial and parallel port, and the floppy drive.
775
776config ARCH_SA1100
777 bool "SA1100-based"
Russell King234b6ced2011-05-08 14:09:47 +0100778 select CLKSRC_MMIO
Russell Kingc7508152008-10-26 10:55:14 +0000779 select CPU_SA1100
Russell Kingf7e68bb2005-05-05 14:49:01 +0100780 select ISA
Russell King05944d72006-11-30 20:43:51 +0000781 select ARCH_SPARSEMEM_ENABLE
Al Viro034d2f52005-12-19 16:27:59 -0500782 select ARCH_MTD_XIP
Ben Dooks89c52ed2009-07-30 23:23:24 +0100783 select ARCH_HAS_CPUFREQ
Russell King1937f5b2009-12-12 16:20:57 +0000784 select CPU_FREQ
Russell King3e238be2008-04-14 23:03:10 +0100785 select GENERIC_CLOCKEVENTS
Jett.Zhou4a8f8342011-11-30 14:32:36 +0800786 select CLKDEV_LOOKUP
Russell King3e238be2008-04-14 23:03:10 +0100787 select TICK_ONESHOT
Michael Buesch7444a722008-07-25 01:46:11 -0700788 select ARCH_REQUIRE_GPIOLIB
Arnd Bergmannd0ee9f42011-10-01 21:10:32 +0200789 select HAVE_IDE
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400790 select NEED_MACH_MEMORY_H
Russell King375dec92012-02-23 14:29:33 +0100791 select SPARSE_IRQ
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000792 help
793 Support for StrongARM 11x0 based boards.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700794
Kukjin Kimb130d5c2012-02-03 14:29:23 +0900795config ARCH_S3C24XX
796 bool "Samsung S3C24XX SoCs"
David Brownell0a938b92007-03-05 00:30:18 -0800797 select GENERIC_GPIO
Ben Dooks9d56c022009-07-30 23:23:25 +0100798 select ARCH_HAS_CPUFREQ
David Brownell9483a572008-07-23 21:26:48 -0700799 select HAVE_CLK
Thomas Abrahame83626f2011-06-14 19:12:26 +0900800 select CLKDEV_LOOKUP
John Stultz5cfc8ee2010-03-24 00:22:36 +0000801 select ARCH_USES_GETTIMEOFFSET
Kukjin Kim20676c12010-11-13 16:08:32 +0900802 select HAVE_S3C2410_I2C if I2C
Kukjin Kimb130d5c2012-02-03 14:29:23 +0900803 select HAVE_S3C_RTC if RTC_CLASS
804 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Rob Herringc334bc12012-03-04 22:03:33 -0600805 select NEED_MACH_IO_H
Linus Torvalds1da177e2005-04-16 15:20:36 -0700806 help
Kukjin Kimb130d5c2012-02-03 14:29:23 +0900807 Samsung S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443
808 and S3C2450 SoCs based systems, such as the Simtec Electronics BAST
809 (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or the
810 Samsung SMDK2410 development board (and derivatives).
Ben Dooks63b1f512010-04-30 16:32:26 +0900811
Ben Dooksa08ab632008-10-21 14:06:39 +0100812config ARCH_S3C64XX
813 bool "Samsung S3C64XX"
Ben Dooks89f1fa02010-01-29 09:02:17 +0000814 select PLAT_SAMSUNG
Ben Dooks89f0ce72010-01-26 15:49:15 +0900815 select CPU_V6
Ben Dooks89f0ce72010-01-26 15:49:15 +0900816 select ARM_VIC
Ben Dooksa08ab632008-10-21 14:06:39 +0100817 select HAVE_CLK
Mark Brown67003972011-10-11 08:57:11 +0900818 select HAVE_TCM
Thomas Abraham226e85f2011-06-14 19:12:26 +0900819 select CLKDEV_LOOKUP
Ben Dooks89f0ce72010-01-26 15:49:15 +0900820 select NO_IOPORT
John Stultz5cfc8ee2010-03-24 00:22:36 +0000821 select ARCH_USES_GETTIMEOFFSET
Ben Dooks89c52ed2009-07-30 23:23:24 +0100822 select ARCH_HAS_CPUFREQ
Ben Dooks89f0ce72010-01-26 15:49:15 +0900823 select ARCH_REQUIRE_GPIOLIB
824 select SAMSUNG_CLKSRC
825 select SAMSUNG_IRQ_VIC_TIMER
Ben Dooks89f0ce72010-01-26 15:49:15 +0900826 select S3C_GPIO_TRACK
Ben Dooks89f0ce72010-01-26 15:49:15 +0900827 select S3C_DEV_NAND
828 select USB_ARCH_HAS_OHCI
829 select SAMSUNG_GPIOLIB_4BIT
Kukjin Kim20676c12010-11-13 16:08:32 +0900830 select HAVE_S3C2410_I2C if I2C
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900831 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Ben Dooksa08ab632008-10-21 14:06:39 +0100832 help
833 Samsung S3C64XX series based systems
834
Kukjin Kim49b7a492010-09-07 15:47:18 +0900835config ARCH_S5P64X0
836 bool "Samsung S5P6440 S5P6450"
Kukjin Kimc4ffccd2010-01-14 08:19:36 +0900837 select CPU_V6
838 select GENERIC_GPIO
839 select HAVE_CLK
Thomas Abrahamd8b22d22011-06-14 19:12:27 +0900840 select CLKDEV_LOOKUP
Chanwoo Choi0665ccc2011-07-18 15:07:14 +0900841 select CLKSRC_MMIO
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900842 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Sangbeom Kim9e65bbf2011-03-12 08:05:19 +0900843 select GENERIC_CLOCKEVENTS
Kukjin Kim20676c12010-11-13 16:08:32 +0900844 select HAVE_S3C2410_I2C if I2C
Kukjin Kim754961a2010-11-13 16:11:46 +0900845 select HAVE_S3C_RTC if RTC_CLASS
Kukjin Kimc4ffccd2010-01-14 08:19:36 +0900846 help
Kukjin Kim49b7a492010-09-07 15:47:18 +0900847 Samsung S5P64X0 CPU based systems, such as the Samsung SMDK6440,
848 SMDK6450.
Kukjin Kimc4ffccd2010-01-14 08:19:36 +0900849
Marek Szyprowskiacc84702010-05-20 07:51:08 +0200850config ARCH_S5PC100
851 bool "Samsung S5PC100"
Byungho Min5a7652f2009-06-23 21:39:42 +0900852 select GENERIC_GPIO
853 select HAVE_CLK
Thomas Abraham29e8eb02011-06-14 19:12:27 +0900854 select CLKDEV_LOOKUP
Byungho Min5a7652f2009-06-23 21:39:42 +0900855 select CPU_V7
Ben Dooks925c68c2010-05-20 20:48:28 +0900856 select ARCH_USES_GETTIMEOFFSET
Kukjin Kim20676c12010-11-13 16:08:32 +0900857 select HAVE_S3C2410_I2C if I2C
Kukjin Kim754961a2010-11-13 16:11:46 +0900858 select HAVE_S3C_RTC if RTC_CLASS
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900859 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Byungho Min5a7652f2009-06-23 21:39:42 +0900860 help
Marek Szyprowskiacc84702010-05-20 07:51:08 +0200861 Samsung S5PC100 series based systems
Byungho Min5a7652f2009-06-23 21:39:42 +0900862
Kukjin Kim170f4e42010-02-24 16:40:44 +0900863config ARCH_S5PV210
864 bool "Samsung S5PV210/S5PC110"
865 select CPU_V7
Kyungmin Parkeecb6a82010-09-29 21:29:27 +0900866 select ARCH_SPARSEMEM_ENABLE
Kamil Debski0f75a962011-07-21 16:42:30 +0900867 select ARCH_HAS_HOLES_MEMORYMODEL
Kukjin Kim170f4e42010-02-24 16:40:44 +0900868 select GENERIC_GPIO
869 select HAVE_CLK
Thomas Abrahamb2a9dd42011-06-14 19:12:27 +0900870 select CLKDEV_LOOKUP
Chanwoo Choi0665ccc2011-07-18 15:07:14 +0900871 select CLKSRC_MMIO
Jaecheol Leed8144ae2010-10-12 09:23:19 +0900872 select ARCH_HAS_CPUFREQ
Sangbeom Kim9e65bbf2011-03-12 08:05:19 +0900873 select GENERIC_CLOCKEVENTS
Kukjin Kim20676c12010-11-13 16:08:32 +0900874 select HAVE_S3C2410_I2C if I2C
Kukjin Kim754961a2010-11-13 16:11:46 +0900875 select HAVE_S3C_RTC if RTC_CLASS
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900876 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400877 select NEED_MACH_MEMORY_H
Kukjin Kim170f4e42010-02-24 16:40:44 +0900878 help
879 Samsung S5PV210/S5PC110 series based systems
880
Kukjin Kim83014572011-11-06 13:54:56 +0900881config ARCH_EXYNOS
882 bool "SAMSUNG EXYNOS"
Changhwan Youncc0e72b2010-07-16 12:15:38 +0900883 select CPU_V7
Kyungmin Parkf567fa62010-09-29 21:33:29 +0900884 select ARCH_SPARSEMEM_ENABLE
Kamil Debski0f75a962011-07-21 16:42:30 +0900885 select ARCH_HAS_HOLES_MEMORYMODEL
Changhwan Youncc0e72b2010-07-16 12:15:38 +0900886 select GENERIC_GPIO
887 select HAVE_CLK
Thomas Abrahambadc4f22011-06-14 19:12:27 +0900888 select CLKDEV_LOOKUP
Sunyoung Kangb333fb12010-09-16 11:11:45 +0900889 select ARCH_HAS_CPUFREQ
Changhwan Youncc0e72b2010-07-16 12:15:38 +0900890 select GENERIC_CLOCKEVENTS
Kukjin Kim754961a2010-11-13 16:11:46 +0900891 select HAVE_S3C_RTC if RTC_CLASS
Kukjin Kim20676c12010-11-13 16:08:32 +0900892 select HAVE_S3C2410_I2C if I2C
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900893 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400894 select NEED_MACH_MEMORY_H
Changhwan Youncc0e72b2010-07-16 12:15:38 +0900895 help
Kukjin Kim83014572011-11-06 13:54:56 +0900896 Support for SAMSUNG's EXYNOS SoCs (EXYNOS4/5)
Changhwan Youncc0e72b2010-07-16 12:15:38 +0900897
Linus Torvalds1da177e2005-04-16 15:20:36 -0700898config ARCH_SHARK
899 bool "Shark"
Russell Kingc7508152008-10-26 10:55:14 +0000900 select CPU_SA110
Russell Kingf7e68bb2005-05-05 14:49:01 +0100901 select ISA
902 select ISA_DMA
Nicolas Pitre3bca1032008-10-07 20:14:55 +0100903 select ZONE_DMA
Russell Kingf7e68bb2005-05-05 14:49:01 +0100904 select PCI
John Stultz5cfc8ee2010-03-24 00:22:36 +0000905 select ARCH_USES_GETTIMEOFFSET
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400906 select NEED_MACH_MEMORY_H
Rob Herringc334bc12012-03-04 22:03:33 -0600907 select NEED_MACH_IO_H
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000908 help
909 Support for the StrongARM based Digital DNARD machine, also known
910 as "Shark" (<http://www.shark-linux.de/shark.html>).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700911
Linus Walleijd98aac72009-04-27 10:21:46 +0100912config ARCH_U300
913 bool "ST-Ericsson U300 Series"
914 depends on MMU
Russell King234b6ced2011-05-08 14:09:47 +0100915 select CLKSRC_MMIO
Linus Walleijd98aac72009-04-27 10:21:46 +0100916 select CPU_ARM926T
Linus Walleijbc581772009-09-15 17:30:37 +0100917 select HAVE_TCM
Linus Walleijd98aac72009-04-27 10:21:46 +0100918 select ARM_AMBA
Linus Walleij5485c1e2011-08-09 21:18:20 +0200919 select ARM_PATCH_PHYS_VIRT
Linus Walleijd98aac72009-04-27 10:21:46 +0100920 select ARM_VIC
Linus Walleijd98aac72009-04-27 10:21:46 +0100921 select GENERIC_CLOCKEVENTS
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100922 select CLKDEV_LOOKUP
Kyungmin Parkaa3831c2011-07-18 16:34:54 +0900923 select HAVE_MACH_CLKDEV
Linus Walleijd98aac72009-04-27 10:21:46 +0100924 select GENERIC_GPIO
Linus Walleijcc890cd2011-09-08 09:04:51 +0100925 select ARCH_REQUIRE_GPIOLIB
Linus Walleijd98aac72009-04-27 10:21:46 +0100926 help
927 Support for ST-Ericsson U300 series mobile platforms.
928
Russell Kingccf50e22010-03-15 19:03:06 +0000929config ARCH_U8500
930 bool "ST-Ericsson U8500 Series"
Arnd Bergmann67ae14f2012-02-25 12:48:49 -0700931 depends on MMU
Russell Kingccf50e22010-03-15 19:03:06 +0000932 select CPU_V7
933 select ARM_AMBA
Russell Kingccf50e22010-03-15 19:03:06 +0000934 select GENERIC_CLOCKEVENTS
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100935 select CLKDEV_LOOKUP
Rabin Vincent94bdc0e2010-03-03 04:54:37 +0100936 select ARCH_REQUIRE_GPIOLIB
Martin Persson7c1a70e2010-12-08 15:13:42 +0100937 select ARCH_HAS_CPUFREQ
Dave Martin3b556582011-12-07 15:38:04 +0000938 select HAVE_SMP
Dave Martince5ea9f2011-11-29 15:56:19 +0000939 select MIGHT_HAVE_CACHE_L2X0
Russell Kingccf50e22010-03-15 19:03:06 +0000940 help
941 Support for ST-Ericsson's Ux500 architecture
942
943config ARCH_NOMADIK
944 bool "STMicroelectronics Nomadik"
945 select ARM_AMBA
946 select ARM_VIC
947 select CPU_ARM926T
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100948 select CLKDEV_LOOKUP
Russell Kingccf50e22010-03-15 19:03:06 +0000949 select GENERIC_CLOCKEVENTS
Dave Martince5ea9f2011-11-29 15:56:19 +0000950 select MIGHT_HAVE_CACHE_L2X0
Russell Kingccf50e22010-03-15 19:03:06 +0000951 select ARCH_REQUIRE_GPIOLIB
952 help
953 Support for the Nomadik platform by ST-Ericsson
954
Kevin Hilman7c6337e2007-04-30 19:37:19 +0100955config ARCH_DAVINCI
956 bool "TI DaVinci"
Kevin Hilman7c6337e2007-04-30 19:37:19 +0100957 select GENERIC_CLOCKEVENTS
David Brownelldce11152008-09-07 23:41:04 -0700958 select ARCH_REQUIRE_GPIOLIB
Nicolas Pitre3bca1032008-10-07 20:14:55 +0100959 select ZONE_DMA
Kevin Hilman9232fcc2009-04-08 14:49:38 -0700960 select HAVE_IDE
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100961 select CLKDEV_LOOKUP
David Brownell20e99692009-05-07 09:31:42 -0700962 select GENERIC_ALLOCATOR
Russell Kingdc7ad3b2011-05-22 10:01:21 +0100963 select GENERIC_IRQ_CHIP
Sekhar Noriae88e052009-11-19 15:34:01 +0530964 select ARCH_HAS_HOLES_MEMORYMODEL
Kevin Hilman7c6337e2007-04-30 19:37:19 +0100965 help
966 Support for TI's DaVinci platform.
967
Russell King3b938be2007-05-12 11:25:44 +0100968config ARCH_OMAP
969 bool "TI OMAP"
David Brownell9483a572008-07-23 21:26:48 -0700970 select HAVE_CLK
Michael Buesch7444a722008-07-25 01:46:11 -0700971 select ARCH_REQUIRE_GPIOLIB
Ben Dooks89c52ed2009-07-30 23:23:24 +0100972 select ARCH_HAS_CPUFREQ
Russell King - ARM Linux354a1832011-07-10 23:05:34 -0700973 select CLKSRC_MMIO
Kevin Hilman06cad092007-10-18 23:04:43 -0700974 select GENERIC_CLOCKEVENTS
Sriram9af915d2010-01-29 14:20:05 -0800975 select ARCH_HAS_HOLES_MEMORYMODEL
Russell King3b938be2007-05-12 11:25:44 +0100976 help
Lennert Buytenhek6e457bb2010-09-22 20:40:57 +0200977 Support for TI's OMAP platform (OMAP1/2/3/4).
Russell King3b938be2007-05-12 11:25:44 +0100978
viresh kumarcee37e52010-04-01 12:31:05 +0100979config PLAT_SPEAR
980 bool "ST SPEAr"
981 select ARM_AMBA
982 select ARCH_REQUIRE_GPIOLIB
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100983 select CLKDEV_LOOKUP
Russell Kingd6e15d72011-05-08 17:10:14 +0100984 select CLKSRC_MMIO
viresh kumarcee37e52010-04-01 12:31:05 +0100985 select GENERIC_CLOCKEVENTS
viresh kumarcee37e52010-04-01 12:31:05 +0100986 select HAVE_CLK
987 help
988 Support for ST's SPEAr platform (SPEAr3xx, SPEAr6xx and SPEAr13xx).
989
Alexey Charkov21f47fb2010-12-23 13:11:21 +0100990config ARCH_VT8500
991 bool "VIA/WonderMedia 85xx"
992 select CPU_ARM926T
993 select GENERIC_GPIO
994 select ARCH_HAS_CPUFREQ
995 select GENERIC_CLOCKEVENTS
996 select ARCH_REQUIRE_GPIOLIB
997 select HAVE_PWM
998 help
999 Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip.
Binghua Duan02c981c2011-07-08 17:40:12 +08001000
John Linnb85a3ef2011-06-20 11:47:27 -06001001config ARCH_ZYNQ
1002 bool "Xilinx Zynq ARM Cortex A9 Platform"
Binghua Duan02c981c2011-07-08 17:40:12 +08001003 select CPU_V7
Binghua Duan02c981c2011-07-08 17:40:12 +08001004 select GENERIC_CLOCKEVENTS
1005 select CLKDEV_LOOKUP
John Linnb85a3ef2011-06-20 11:47:27 -06001006 select ARM_GIC
1007 select ARM_AMBA
1008 select ICST
Dave Martince5ea9f2011-11-29 15:56:19 +00001009 select MIGHT_HAVE_CACHE_L2X0
Binghua Duan02c981c2011-07-08 17:40:12 +08001010 select USE_OF
Binghua Duan02c981c2011-07-08 17:40:12 +08001011 help
John Linnb85a3ef2011-06-20 11:47:27 -06001012 Support for Xilinx Zynq ARM Cortex A9 Platform
Linus Torvalds1da177e2005-04-16 15:20:36 -07001013endchoice
1014
Russell Kingccf50e22010-03-15 19:03:06 +00001015#
1016# This is sorted alphabetically by mach-* pathname. However, plat-*
1017# Kconfigs may be included either alphabetically (according to the
1018# plat- suffix) or along side the corresponding mach-* source.
1019#
Russell King95b8f202010-01-14 11:43:54 +00001020source "arch/arm/mach-at91/Kconfig"
1021
1022source "arch/arm/mach-bcmring/Kconfig"
1023
Linus Torvalds1da177e2005-04-16 15:20:36 -07001024source "arch/arm/mach-clps711x/Kconfig"
1025
Anton Vorontsovd94f9442010-03-25 17:12:41 +03001026source "arch/arm/mach-cns3xxx/Kconfig"
1027
Russell King95b8f202010-01-14 11:43:54 +00001028source "arch/arm/mach-davinci/Kconfig"
1029
1030source "arch/arm/mach-dove/Kconfig"
1031
Lennert Buytenheke7736d42006-03-20 17:10:13 +00001032source "arch/arm/mach-ep93xx/Kconfig"
1033
Linus Torvalds1da177e2005-04-16 15:20:36 -07001034source "arch/arm/mach-footbridge/Kconfig"
1035
Paulius Zaleckas59d3a192009-03-26 10:06:08 +02001036source "arch/arm/mach-gemini/Kconfig"
1037
Russell King95b8f202010-01-14 11:43:54 +00001038source "arch/arm/mach-h720x/Kconfig"
1039
Linus Torvalds1da177e2005-04-16 15:20:36 -07001040source "arch/arm/mach-integrator/Kconfig"
1041
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +01001042source "arch/arm/mach-iop32x/Kconfig"
1043
1044source "arch/arm/mach-iop33x/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001045
Dan Williams285f5fa2006-12-07 02:59:39 +01001046source "arch/arm/mach-iop13xx/Kconfig"
1047
Linus Torvalds1da177e2005-04-16 15:20:36 -07001048source "arch/arm/mach-ixp4xx/Kconfig"
1049
1050source "arch/arm/mach-ixp2000/Kconfig"
1051
Lennert Buytenhekc4713072006-03-28 21:18:54 +01001052source "arch/arm/mach-ixp23xx/Kconfig"
1053
Russell King95b8f202010-01-14 11:43:54 +00001054source "arch/arm/mach-kirkwood/Kconfig"
1055
1056source "arch/arm/mach-ks8695/Kconfig"
1057
Kevin Wells40805942010-07-27 08:49:04 -07001058source "arch/arm/mach-lpc32xx/Kconfig"
1059
Russell King95b8f202010-01-14 11:43:54 +00001060source "arch/arm/mach-msm/Kconfig"
1061
Stanislav Samsonov794d15b2008-06-22 22:45:10 +02001062source "arch/arm/mach-mv78xx0/Kconfig"
1063
Russell King95b8f202010-01-14 11:43:54 +00001064source "arch/arm/plat-mxc/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001065
Shawn Guo1d3f33d2010-12-13 20:55:03 +08001066source "arch/arm/mach-mxs/Kconfig"
1067
Russell King95b8f202010-01-14 11:43:54 +00001068source "arch/arm/mach-netx/Kconfig"
Eric Miao49cbe782009-01-20 14:15:18 +08001069
Russell King95b8f202010-01-14 11:43:54 +00001070source "arch/arm/mach-nomadik/Kconfig"
1071source "arch/arm/plat-nomadik/Kconfig"
1072
Tony Lindgrend48af152005-07-10 19:58:17 +01001073source "arch/arm/plat-omap/Kconfig"
1074
1075source "arch/arm/mach-omap1/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001076
Tony Lindgren1dbae812005-11-10 14:26:51 +00001077source "arch/arm/mach-omap2/Kconfig"
1078
Lennert Buytenhek9dd0b192008-03-27 14:51:41 -04001079source "arch/arm/mach-orion5x/Kconfig"
Tzachi Perelstein585cf172007-10-23 15:14:41 -04001080
Russell King95b8f202010-01-14 11:43:54 +00001081source "arch/arm/mach-pxa/Kconfig"
1082source "arch/arm/plat-pxa/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001083
Russell King95b8f202010-01-14 11:43:54 +00001084source "arch/arm/mach-mmp/Kconfig"
1085
1086source "arch/arm/mach-realview/Kconfig"
1087
1088source "arch/arm/mach-sa1100/Kconfig"
Saeed Bisharaedabd382009-08-06 15:12:43 +03001089
Ben Dookscf383672009-11-10 00:14:58 +00001090source "arch/arm/plat-samsung/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +01001091source "arch/arm/plat-s3c24xx/Kconfig"
Kukjin Kimc4ffccd2010-01-14 08:19:36 +09001092source "arch/arm/plat-s5p/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +01001093
viresh kumarcee37e52010-04-01 12:31:05 +01001094source "arch/arm/plat-spear/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +01001095
Kukjin Kim85fd6d62012-02-06 09:38:19 +09001096source "arch/arm/mach-s3c24xx/Kconfig"
Kukjin Kimb130d5c2012-02-03 14:29:23 +09001097if ARCH_S3C24XX
Ben Dooksa21765a2007-02-11 18:31:01 +01001098source "arch/arm/mach-s3c2412/Kconfig"
1099source "arch/arm/mach-s3c2440/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +01001100endif
Linus Torvalds1da177e2005-04-16 15:20:36 -07001101
Ben Dooksa08ab632008-10-21 14:06:39 +01001102if ARCH_S3C64XX
Ben Dooks431107e2010-01-26 10:11:04 +09001103source "arch/arm/mach-s3c64xx/Kconfig"
Ben Dooksa08ab632008-10-21 14:06:39 +01001104endif
1105
Kukjin Kim49b7a492010-09-07 15:47:18 +09001106source "arch/arm/mach-s5p64x0/Kconfig"
Kukjin Kimc4ffccd2010-01-14 08:19:36 +09001107
Byungho Min5a7652f2009-06-23 21:39:42 +09001108source "arch/arm/mach-s5pc100/Kconfig"
Byungho Min5a7652f2009-06-23 21:39:42 +09001109
Kukjin Kim170f4e42010-02-24 16:40:44 +09001110source "arch/arm/mach-s5pv210/Kconfig"
1111
Kukjin Kim83014572011-11-06 13:54:56 +09001112source "arch/arm/mach-exynos/Kconfig"
Changhwan Youncc0e72b2010-07-16 12:15:38 +09001113
Russell King882d01f2010-03-02 23:40:15 +00001114source "arch/arm/mach-shmobile/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001115
Erik Gillingc5f80062010-01-21 16:53:02 -08001116source "arch/arm/mach-tegra/Kconfig"
1117
Russell King95b8f202010-01-14 11:43:54 +00001118source "arch/arm/mach-u300/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001119
Russell King95b8f202010-01-14 11:43:54 +00001120source "arch/arm/mach-ux500/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001121
1122source "arch/arm/mach-versatile/Kconfig"
1123
Russell Kingceade892010-02-11 21:44:53 +00001124source "arch/arm/mach-vexpress/Kconfig"
Russell King420c34e2011-01-18 20:08:06 +00001125source "arch/arm/plat-versatile/Kconfig"
Russell Kingceade892010-02-11 21:44:53 +00001126
Alexey Charkov21f47fb2010-12-23 13:11:21 +01001127source "arch/arm/mach-vt8500/Kconfig"
1128
wanzongshun7ec80dd2008-12-03 03:55:38 +01001129source "arch/arm/mach-w90x900/Kconfig"
1130
Linus Torvalds1da177e2005-04-16 15:20:36 -07001131# Definitions to make life easier
1132config ARCH_ACORN
1133 bool
1134
Lennert Buytenhek7ae1f7e2006-09-18 23:12:53 +01001135config PLAT_IOP
1136 bool
Mikael Pettersson469d30442009-10-29 11:46:54 -07001137 select GENERIC_CLOCKEVENTS
Lennert Buytenhek7ae1f7e2006-09-18 23:12:53 +01001138
Lennert Buytenhek69b02f62008-03-27 14:51:39 -04001139config PLAT_ORION
1140 bool
Russell Kingbfe45e02011-05-08 15:33:30 +01001141 select CLKSRC_MMIO
Russell Kingdc7ad3b2011-05-22 10:01:21 +01001142 select GENERIC_IRQ_CHIP
Lennert Buytenhek69b02f62008-03-27 14:51:39 -04001143
Eric Miaobd5ce432009-01-20 12:06:01 +08001144config PLAT_PXA
1145 bool
1146
Russell Kingf4b8b312010-01-14 12:48:06 +00001147config PLAT_VERSATILE
1148 bool
1149
Russell Kinge3887712010-01-14 13:30:16 +00001150config ARM_TIMER_SP804
1151 bool
Russell Kingbfe45e02011-05-08 15:33:30 +01001152 select CLKSRC_MMIO
Rob Herringa7bf6162011-12-12 15:29:08 -06001153 select HAVE_SCHED_CLOCK
Russell Kinge3887712010-01-14 13:30:16 +00001154
Linus Torvalds1da177e2005-04-16 15:20:36 -07001155source arch/arm/mm/Kconfig
1156
Russell King958cab02011-12-11 10:04:00 +00001157config ARM_NR_BANKS
1158 int
1159 default 16 if ARCH_EP93XX
1160 default 8
1161
Lennert Buytenhekafe4b252006-12-03 18:51:14 +01001162config IWMMXT
1163 bool "Enable iWMMXt support"
Haojian Zhuangef6c8442010-11-24 11:54:25 +08001164 depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4
1165 default y if PXA27x || PXA3xx || PXA95x || ARCH_MMP
Lennert Buytenhekafe4b252006-12-03 18:51:14 +01001166 help
1167 Enable support for iWMMXt context switching at run time if
1168 running on a CPU that supports it.
1169
Linus Torvalds1da177e2005-04-16 15:20:36 -07001170config XSCALE_PMU
1171 bool
Paul Bollebfc994b2011-10-30 12:51:41 +01001172 depends on CPU_XSCALE
Linus Torvalds1da177e2005-04-16 15:20:36 -07001173 default y
1174
Jamie Iles0f4f0672010-02-02 20:23:15 +01001175config CPU_HAS_PMU
Russell Kinge399b1a2011-01-17 15:08:32 +00001176 depends on (CPU_V6 || CPU_V6K || CPU_V7 || XSCALE_PMU) && \
Will Deacon8954bb02010-06-21 15:32:54 +01001177 (!ARCH_OMAP3 || OMAP3_EMU)
Jamie Iles0f4f0672010-02-02 20:23:15 +01001178 default y
1179 bool
1180
eric miao52108642010-12-13 09:42:34 +01001181config MULTI_IRQ_HANDLER
1182 bool
1183 help
1184 Allow each machine to specify it's own IRQ handler at run time.
1185
Hyok S. Choi3b93e7b2006-06-22 11:48:56 +01001186if !MMU
1187source "arch/arm/Kconfig-nommu"
1188endif
1189
Will Deaconf0c4b8d2012-04-20 17:20:08 +01001190config ARM_ERRATA_326103
1191 bool "ARM errata: FSR write bit incorrect on a SWP to read-only memory"
1192 depends on CPU_V6
1193 help
1194 Executing a SWP instruction to read-only memory does not set bit 11
1195 of the FSR on the ARM 1136 prior to r1p0. This causes the kernel to
1196 treat the access as a read, preventing a COW from occurring and
1197 causing the faulting task to livelock.
1198
Catalin Marinas9cba3cc2009-04-30 17:06:03 +01001199config ARM_ERRATA_411920
1200 bool "ARM errata: Invalidation of the Instruction Cache operation can fail"
Russell Kinge399b1a2011-01-17 15:08:32 +00001201 depends on CPU_V6 || CPU_V6K
Catalin Marinas9cba3cc2009-04-30 17:06:03 +01001202 help
1203 Invalidation of the Instruction Cache operation can
1204 fail. This erratum is present in 1136 (before r1p4), 1156 and 1176.
1205 It does not affect the MPCore. This option enables the ARM Ltd.
1206 recommended workaround.
1207
Catalin Marinas7ce236f2009-04-30 17:06:09 +01001208config ARM_ERRATA_430973
1209 bool "ARM errata: Stale prediction on replaced interworking branch"
1210 depends on CPU_V7
1211 help
1212 This option enables the workaround for the 430973 Cortex-A8
1213 (r1p0..r1p2) erratum. If a code sequence containing an ARM/Thumb
1214 interworking branch is replaced with another code sequence at the
1215 same virtual address, whether due to self-modifying code or virtual
1216 to physical address re-mapping, Cortex-A8 does not recover from the
1217 stale interworking branch prediction. This results in Cortex-A8
1218 executing the new code sequence in the incorrect ARM or Thumb state.
1219 The workaround enables the BTB/BTAC operations by setting ACTLR.IBE
1220 and also flushes the branch target cache at every context switch.
1221 Note that setting specific bits in the ACTLR register may not be
1222 available in non-secure mode.
1223
Catalin Marinas855c5512009-04-30 17:06:15 +01001224config ARM_ERRATA_458693
1225 bool "ARM errata: Processor deadlock when a false hazard is created"
1226 depends on CPU_V7
1227 help
1228 This option enables the workaround for the 458693 Cortex-A8 (r2p0)
1229 erratum. For very specific sequences of memory operations, it is
1230 possible for a hazard condition intended for a cache line to instead
1231 be incorrectly associated with a different cache line. This false
1232 hazard might then cause a processor deadlock. The workaround enables
1233 the L1 caching of the NEON accesses and disables the PLD instruction
1234 in the ACTLR register. Note that setting specific bits in the ACTLR
1235 register may not be available in non-secure mode.
1236
Catalin Marinas0516e462009-04-30 17:06:20 +01001237config ARM_ERRATA_460075
1238 bool "ARM errata: Data written to the L2 cache can be overwritten with stale data"
1239 depends on CPU_V7
1240 help
1241 This option enables the workaround for the 460075 Cortex-A8 (r2p0)
1242 erratum. Any asynchronous access to the L2 cache may encounter a
1243 situation in which recent store transactions to the L2 cache are lost
1244 and overwritten with stale memory contents from external memory. The
1245 workaround disables the write-allocate mode for the L2 cache via the
1246 ACTLR register. Note that setting specific bits in the ACTLR register
1247 may not be available in non-secure mode.
1248
Will Deacon9f050272010-09-14 09:51:43 +01001249config ARM_ERRATA_742230
1250 bool "ARM errata: DMB operation may be faulty"
1251 depends on CPU_V7 && SMP
1252 help
1253 This option enables the workaround for the 742230 Cortex-A9
1254 (r1p0..r2p2) erratum. Under rare circumstances, a DMB instruction
1255 between two write operations may not ensure the correct visibility
1256 ordering of the two writes. This workaround sets a specific bit in
1257 the diagnostic register of the Cortex-A9 which causes the DMB
1258 instruction to behave as a DSB, ensuring the correct behaviour of
1259 the two writes.
1260
Will Deacona672e992010-09-14 09:53:02 +01001261config ARM_ERRATA_742231
1262 bool "ARM errata: Incorrect hazard handling in the SCU may lead to data corruption"
1263 depends on CPU_V7 && SMP
1264 help
1265 This option enables the workaround for the 742231 Cortex-A9
1266 (r2p0..r2p2) erratum. Under certain conditions, specific to the
1267 Cortex-A9 MPCore micro-architecture, two CPUs working in SMP mode,
1268 accessing some data located in the same cache line, may get corrupted
1269 data due to bad handling of the address hazard when the line gets
1270 replaced from one of the CPUs at the same time as another CPU is
1271 accessing it. This workaround sets specific bits in the diagnostic
1272 register of the Cortex-A9 which reduces the linefill issuing
1273 capabilities of the processor.
1274
Santosh Shilimkar9e655822010-02-04 19:42:42 +01001275config PL310_ERRATA_588369
Will Deaconfa0ce402011-11-14 17:24:57 +01001276 bool "PL310 errata: Clean & Invalidate maintenance operations do not invalidate clean lines"
Santosh Shilimkar2839e062011-03-08 06:59:54 +01001277 depends on CACHE_L2X0
Santosh Shilimkar9e655822010-02-04 19:42:42 +01001278 help
1279 The PL310 L2 cache controller implements three types of Clean &
1280 Invalidate maintenance operations: by Physical Address
1281 (offset 0x7F0), by Index/Way (0x7F8) and by Way (0x7FC).
1282 They are architecturally defined to behave as the execution of a
1283 clean operation followed immediately by an invalidate operation,
1284 both performing to the same memory location. This functionality
1285 is not correctly implemented in PL310 as clean lines are not
Santosh Shilimkar2839e062011-03-08 06:59:54 +01001286 invalidated as a result of these operations.
Will Deaconcdf357f2010-08-05 11:20:51 +01001287
1288config ARM_ERRATA_720789
1289 bool "ARM errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a faulty ASID"
Dave Martine66dc742011-12-08 13:37:46 +01001290 depends on CPU_V7
Will Deaconcdf357f2010-08-05 11:20:51 +01001291 help
1292 This option enables the workaround for the 720789 Cortex-A9 (prior to
1293 r2p0) erratum. A faulty ASID can be sent to the other CPUs for the
1294 broadcasted CP15 TLB maintenance operations TLBIASIDIS and TLBIMVAIS.
1295 As a consequence of this erratum, some TLB entries which should be
1296 invalidated are not, resulting in an incoherency in the system page
1297 tables. The workaround changes the TLB flushing routines to invalidate
1298 entries regardless of the ASID.
Will Deacon475d92f2010-09-28 14:02:02 +01001299
Russell King1f0090a2011-03-16 23:35:25 +00001300config PL310_ERRATA_727915
Will Deaconfa0ce402011-11-14 17:24:57 +01001301 bool "PL310 errata: Background Clean & Invalidate by Way operation can cause data corruption"
Russell King1f0090a2011-03-16 23:35:25 +00001302 depends on CACHE_L2X0
1303 help
1304 PL310 implements the Clean & Invalidate by Way L2 cache maintenance
1305 operation (offset 0x7FC). This operation runs in background so that
1306 PL310 can handle normal accesses while it is in progress. Under very
1307 rare circumstances, due to this erratum, write data can be lost when
1308 PL310 treats a cacheable write transaction during a Clean &
1309 Invalidate by Way operation.
1310
Will Deacon475d92f2010-09-28 14:02:02 +01001311config ARM_ERRATA_743622
1312 bool "ARM errata: Faulty hazard checking in the Store Buffer may lead to data corruption"
1313 depends on CPU_V7
1314 help
1315 This option enables the workaround for the 743622 Cortex-A9
Will Deaconefbc74a2012-02-24 12:12:38 +01001316 (r2p*) erratum. Under very rare conditions, a faulty
Will Deacon475d92f2010-09-28 14:02:02 +01001317 optimisation in the Cortex-A9 Store Buffer may lead to data
1318 corruption. This workaround sets a specific bit in the diagnostic
1319 register of the Cortex-A9 which disables the Store Buffer
1320 optimisation, preventing the defect from occurring. This has no
1321 visible impact on the overall performance or power consumption of the
1322 processor.
1323
Will Deacon9a27c272011-02-18 16:36:35 +01001324config ARM_ERRATA_751472
1325 bool "ARM errata: Interrupted ICIALLUIS may prevent completion of broadcasted operation"
Dave Martinba90c512011-12-08 13:41:06 +01001326 depends on CPU_V7
Will Deacon9a27c272011-02-18 16:36:35 +01001327 help
1328 This option enables the workaround for the 751472 Cortex-A9 (prior
1329 to r3p0) erratum. An interrupted ICIALLUIS operation may prevent the
1330 completion of a following broadcasted operation if the second
1331 operation is received by a CPU before the ICIALLUIS has completed,
1332 potentially leading to corrupted entries in the cache or TLB.
1333
Will Deaconfa0ce402011-11-14 17:24:57 +01001334config PL310_ERRATA_753970
1335 bool "PL310 errata: cache sync operation may be faulty"
Srinidhi Kasagar885028e2011-02-17 07:03:51 +01001336 depends on CACHE_PL310
1337 help
1338 This option enables the workaround for the 753970 PL310 (r3p0) erratum.
1339
1340 Under some condition the effect of cache sync operation on
1341 the store buffer still remains when the operation completes.
1342 This means that the store buffer is always asked to drain and
1343 this prevents it from merging any further writes. The workaround
1344 is to replace the normal offset of cache sync operation (0x730)
1345 by another offset targeting an unmapped PL310 register 0x740.
1346 This has the same effect as the cache sync operation: store buffer
1347 drain and waiting for all buffers empty.
1348
Will Deaconfcbdc5fe2011-02-28 18:15:16 +01001349config ARM_ERRATA_754322
1350 bool "ARM errata: possible faulty MMU translations following an ASID switch"
1351 depends on CPU_V7
1352 help
1353 This option enables the workaround for the 754322 Cortex-A9 (r2p*,
1354 r3p*) erratum. A speculative memory access may cause a page table walk
1355 which starts prior to an ASID switch but completes afterwards. This
1356 can populate the micro-TLB with a stale entry which may be hit with
1357 the new ASID. This workaround places two dsb instructions in the mm
1358 switching code so that no page table walks can cross the ASID switch.
1359
Will Deacon5dab26af2011-03-04 12:38:54 +01001360config ARM_ERRATA_754327
1361 bool "ARM errata: no automatic Store Buffer drain"
1362 depends on CPU_V7 && SMP
1363 help
1364 This option enables the workaround for the 754327 Cortex-A9 (prior to
1365 r2p0) erratum. The Store Buffer does not have any automatic draining
1366 mechanism and therefore a livelock may occur if an external agent
1367 continuously polls a memory location waiting to observe an update.
1368 This workaround defines cpu_relax() as smp_mb(), preventing correctly
1369 written polling loops from denying visibility of updates to memory.
1370
Catalin Marinas145e10e2011-08-15 11:04:41 +01001371config ARM_ERRATA_364296
1372 bool "ARM errata: Possible cache data corruption with hit-under-miss enabled"
1373 depends on CPU_V6 && !SMP
1374 help
1375 This options enables the workaround for the 364296 ARM1136
1376 r0p2 erratum (possible cache data corruption with
1377 hit-under-miss enabled). It sets the undocumented bit 31 in
1378 the auxiliary control register and the FI bit in the control
1379 register, thus disabling hit-under-miss without putting the
1380 processor into full low interrupt latency mode. ARM11MPCore
1381 is not affected.
1382
Will Deaconf630c1b2011-09-15 11:45:15 +01001383config ARM_ERRATA_764369
1384 bool "ARM errata: Data cache line maintenance operation by MVA may not succeed"
1385 depends on CPU_V7 && SMP
1386 help
1387 This option enables the workaround for erratum 764369
1388 affecting Cortex-A9 MPCore with two or more processors (all
1389 current revisions). Under certain timing circumstances, a data
1390 cache line maintenance operation by MVA targeting an Inner
1391 Shareable memory region may fail to proceed up to either the
1392 Point of Coherency or to the Point of Unification of the
1393 system. This workaround adds a DSB instruction before the
1394 relevant cache maintenance functions and sets a specific bit
1395 in the diagnostic control register of the SCU.
1396
Will Deacon11ed0ba2011-11-14 17:24:58 +01001397config PL310_ERRATA_769419
1398 bool "PL310 errata: no automatic Store Buffer drain"
1399 depends on CACHE_L2X0
1400 help
1401 On revisions of the PL310 prior to r3p2, the Store Buffer does
1402 not automatically drain. This can cause normal, non-cacheable
1403 writes to be retained when the memory system is idle, leading
1404 to suboptimal I/O performance for drivers using coherent DMA.
1405 This option adds a write barrier to the cpu_idle loop so that,
1406 on systems with an outer cache, the store buffer is drained
1407 explicitly.
1408
Linus Torvalds1da177e2005-04-16 15:20:36 -07001409endmenu
1410
1411source "arch/arm/common/Kconfig"
1412
Linus Torvalds1da177e2005-04-16 15:20:36 -07001413menu "Bus support"
1414
1415config ARM_AMBA
1416 bool
1417
1418config ISA
1419 bool
Linus Torvalds1da177e2005-04-16 15:20:36 -07001420 help
1421 Find out whether you have ISA slots on your motherboard. ISA is the
1422 name of a bus system, i.e. the way the CPU talks to the other stuff
1423 inside your box. Other bus systems are PCI, EISA, MicroChannel
1424 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
1425 newer boards don't support it. If you have ISA, say Y, otherwise N.
1426
Russell King065909b2006-01-04 15:44:16 +00001427# Select ISA DMA controller support
Linus Torvalds1da177e2005-04-16 15:20:36 -07001428config ISA_DMA
1429 bool
Russell King065909b2006-01-04 15:44:16 +00001430 select ISA_DMA_API
Linus Torvalds1da177e2005-04-16 15:20:36 -07001431
Russell King065909b2006-01-04 15:44:16 +00001432# Select ISA DMA interface
Al Viro5cae8412005-05-04 05:39:22 +01001433config ISA_DMA_API
1434 bool
Al Viro5cae8412005-05-04 05:39:22 +01001435
Linus Torvalds1da177e2005-04-16 15:20:36 -07001436config PCI
Hans Ulli Kroll0b05da72010-12-02 12:32:15 +01001437 bool "PCI support" if MIGHT_HAVE_PCI
Linus Torvalds1da177e2005-04-16 15:20:36 -07001438 help
1439 Find out whether you have a PCI motherboard. PCI is the name of a
1440 bus system, i.e. the way the CPU talks to the other stuff inside
1441 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
1442 VESA. If you have PCI, say Y, otherwise N.
1443
Anton Vorontsov52882172010-04-19 13:20:49 +01001444config PCI_DOMAINS
1445 bool
1446 depends on PCI
1447
Marcelo Roberto Jimenezb080ac82010-12-16 21:34:51 +01001448config PCI_NANOENGINE
1449 bool "BSE nanoEngine PCI support"
1450 depends on SA1100_NANOENGINE
1451 help
1452 Enable PCI on the BSE nanoEngine board.
1453
Matthew Wilcox36e23592007-07-10 10:54:40 -06001454config PCI_SYSCALL
1455 def_bool PCI
1456
Linus Torvalds1da177e2005-04-16 15:20:36 -07001457# Select the host bridge type
1458config PCI_HOST_VIA82C505
1459 bool
1460 depends on PCI && ARCH_SHARK
1461 default y
1462
Mike Rapoporta0113a92007-11-25 08:55:34 +01001463config PCI_HOST_ITE8152
1464 bool
1465 depends on PCI && MACH_ARMCORE
1466 default y
1467 select DMABOUNCE
1468
Linus Torvalds1da177e2005-04-16 15:20:36 -07001469source "drivers/pci/Kconfig"
1470
1471source "drivers/pcmcia/Kconfig"
1472
1473endmenu
1474
1475menu "Kernel Features"
1476
Kevin Hilman0567a0c2007-03-13 20:29:24 +01001477source "kernel/time/Kconfig"
1478
Dave Martin3b556582011-12-07 15:38:04 +00001479config HAVE_SMP
1480 bool
1481 help
1482 This option should be selected by machines which have an SMP-
1483 capable CPU.
1484
1485 The only effect of this option is to make the SMP-related
1486 options available to the user for configuration.
1487
Linus Torvalds1da177e2005-04-16 15:20:36 -07001488config SMP
Russell Kingbb2d8132011-05-12 09:52:02 +01001489 bool "Symmetric Multi-Processing"
Russell Kingfbb4dda2011-01-17 18:01:58 +00001490 depends on CPU_V6K || CPU_V7
Russell Kingbc282482009-05-17 18:58:34 +01001491 depends on GENERIC_CLOCKEVENTS
Dave Martin3b556582011-12-07 15:38:04 +00001492 depends on HAVE_SMP
Arnd Bergmann9934ebb2011-06-10 14:05:22 +00001493 depends on MMU
Jens Axboef6dd9fa2008-06-10 20:48:30 +02001494 select USE_GENERIC_SMP_HELPERS
Daniel Walker89c3ded2010-11-22 12:35:41 -08001495 select HAVE_ARM_SCU if !ARCH_MSM_SCORPIONMP
Linus Torvalds1da177e2005-04-16 15:20:36 -07001496 help
1497 This enables support for systems with more than one CPU. If you have
1498 a system with only one CPU, like most personal computers, say N. If
1499 you have a system with more than one CPU, say Y.
1500
1501 If you say N here, the kernel will run on single and multiprocessor
1502 machines, but will use only one CPU of a multiprocessor machine. If
1503 you say Y here, the kernel will run on many, but not all, single
1504 processor machines. On a single processor machine, the kernel will
1505 run faster if you say N here.
1506
Paul Bolle395cf962011-08-15 02:02:26 +02001507 See also <file:Documentation/x86/i386/IO-APIC.txt>,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001508 <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
Justin P. Mattock50a23e62010-10-16 10:36:23 -07001509 <http://tldp.org/HOWTO/SMP-HOWTO.html>.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001510
1511 If you don't know what to do here, say N.
1512
Russell Kingf00ec482010-09-04 10:47:48 +01001513config SMP_ON_UP
1514 bool "Allow booting SMP kernel on uniprocessor systems (EXPERIMENTAL)"
1515 depends on EXPERIMENTAL
Nicolas Pitre4d2692a2011-01-14 07:33:24 +01001516 depends on SMP && !XIP_KERNEL
Russell Kingf00ec482010-09-04 10:47:48 +01001517 default y
1518 help
1519 SMP kernels contain instructions which fail on non-SMP processors.
1520 Enabling this option allows the kernel to modify itself to make
1521 these instructions safe. Disabling it allows about 1K of space
1522 savings.
1523
1524 If you don't know what to do here, say Y.
1525
Vincent Guittotc9018aa2011-08-08 13:21:59 +01001526config ARM_CPU_TOPOLOGY
1527 bool "Support cpu topology definition"
1528 depends on SMP && CPU_V7
1529 default y
1530 help
1531 Support ARM cpu topology definition. The MPIDR register defines
1532 affinity between processors which is then used to describe the cpu
1533 topology of an ARM System.
1534
1535config SCHED_MC
1536 bool "Multi-core scheduler support"
1537 depends on ARM_CPU_TOPOLOGY
1538 help
1539 Multi-core scheduler support improves the CPU scheduler's decision
1540 making when dealing with multi-core CPU chips at a cost of slightly
1541 increased overhead in some places. If unsure say N here.
1542
1543config SCHED_SMT
1544 bool "SMT scheduler support"
1545 depends on ARM_CPU_TOPOLOGY
1546 help
1547 Improves the CPU scheduler's decision making when dealing with
1548 MultiThreading at a cost of slightly increased overhead in some
1549 places. If unsure say N here.
1550
Russell Kinga8cbcd92009-05-16 11:51:14 +01001551config HAVE_ARM_SCU
1552 bool
Russell Kinga8cbcd92009-05-16 11:51:14 +01001553 help
1554 This option enables support for the ARM system coherency unit
1555
Russell Kingf32f4ce2009-05-16 12:14:21 +01001556config HAVE_ARM_TWD
1557 bool
1558 depends on SMP
Russell King15095bb2011-01-02 15:05:21 +00001559 select TICK_ONESHOT
Russell Kingf32f4ce2009-05-16 12:14:21 +01001560 help
1561 This options enables support for the ARM timer and watchdog unit
1562
Lennert Buytenhek8d5796d2008-08-25 21:03:32 +01001563choice
1564 prompt "Memory split"
1565 default VMSPLIT_3G
1566 help
1567 Select the desired split between kernel and user memory.
1568
1569 If you are not absolutely sure what you are doing, leave this
1570 option alone!
1571
1572 config VMSPLIT_3G
1573 bool "3G/1G user/kernel split"
1574 config VMSPLIT_2G
1575 bool "2G/2G user/kernel split"
1576 config VMSPLIT_1G
1577 bool "1G/3G user/kernel split"
1578endchoice
1579
1580config PAGE_OFFSET
1581 hex
1582 default 0x40000000 if VMSPLIT_1G
1583 default 0x80000000 if VMSPLIT_2G
1584 default 0xC0000000
1585
Linus Torvalds1da177e2005-04-16 15:20:36 -07001586config NR_CPUS
1587 int "Maximum number of CPUs (2-32)"
1588 range 2 32
1589 depends on SMP
1590 default "4"
1591
Russell Kinga054a812005-11-02 22:24:33 +00001592config HOTPLUG_CPU
1593 bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
1594 depends on SMP && HOTPLUG && EXPERIMENTAL
1595 help
1596 Say Y here to experiment with turning CPUs off and on. CPUs
1597 can be controlled through /sys/devices/system/cpu.
1598
Russell King37ee16a2005-11-08 19:08:05 +00001599config LOCAL_TIMERS
1600 bool "Use local timer interrupts"
Russell King971acb92010-09-04 08:16:30 +01001601 depends on SMP
Russell King37ee16a2005-11-08 19:08:05 +00001602 default y
Changhwan Youn30d8bea2011-03-11 10:39:57 +09001603 select HAVE_ARM_TWD if (!ARCH_MSM_SCORPIONMP && !EXYNOS4_MCT)
Russell King37ee16a2005-11-08 19:08:05 +00001604 help
1605 Enable support for local timers on SMP platforms, rather then the
1606 legacy IPI broadcast method. Local timers allows the system
1607 accounting to be spread across the timer interval, preventing a
1608 "thundering herd" at every timer tick.
1609
Peter De Schrijver (NVIDIA)44986ab2011-12-21 10:48:45 +01001610config ARCH_NR_GPIO
1611 int
Peter De Schrijver (NVIDIA)3dea19e2011-12-21 15:14:52 +01001612 default 1024 if ARCH_SHMOBILE || ARCH_TEGRA
Philippe Langlais70227a42012-02-13 10:51:22 +01001613 default 355 if ARCH_U8500
Paul Parsons9a01ec32012-02-27 01:58:45 +00001614 default 264 if MACH_H4700
Peter De Schrijver (NVIDIA)44986ab2011-12-21 10:48:45 +01001615 default 0
1616 help
1617 Maximum number of GPIOs in the system.
1618
1619 If unsure, leave the default value.
1620
Uwe Kleine-Königd45a3982009-08-13 20:38:17 +02001621source kernel/Kconfig.preempt
Linus Torvalds1da177e2005-04-16 15:20:36 -07001622
Russell Kingf8065812006-03-02 22:41:59 +00001623config HZ
1624 int
Kukjin Kimb130d5c2012-02-03 14:29:23 +09001625 default 200 if ARCH_EBSA110 || ARCH_S3C24XX || ARCH_S5P64X0 || \
Kukjin Kima73ddc62011-05-11 16:27:51 +09001626 ARCH_S5PV210 || ARCH_EXYNOS4
Russell Kingbfe65702006-03-04 11:01:53 +00001627 default OMAP_32K_TIMER_HZ if ARCH_OMAP && OMAP_32K_TIMER
David Brownell5248c652007-11-12 17:59:10 +01001628 default AT91_TIMER_HZ if ARCH_AT91
Magnus Damm5da3e712010-07-29 14:03:04 +01001629 default SHMOBILE_TIMER_HZ if ARCH_SHMOBILE
Russell Kingf8065812006-03-02 22:41:59 +00001630 default 100
1631
Catalin Marinas16c79652009-07-24 12:33:02 +01001632config THUMB2_KERNEL
Russell King4a50bfe2010-12-05 23:06:22 +00001633 bool "Compile the kernel in Thumb-2 mode (EXPERIMENTAL)"
Russell Kinge399b1a2011-01-17 15:08:32 +00001634 depends on CPU_V7 && !CPU_V6 && !CPU_V6K && EXPERIMENTAL
Catalin Marinas16c79652009-07-24 12:33:02 +01001635 select AEABI
1636 select ARM_ASM_UNIFIED
Arnd Bergmann89bace62011-06-10 14:12:21 +00001637 select ARM_UNWIND
Catalin Marinas16c79652009-07-24 12:33:02 +01001638 help
1639 By enabling this option, the kernel will be compiled in
1640 Thumb-2 mode. A compiler/assembler that understand the unified
1641 ARM-Thumb syntax is needed.
1642
1643 If unsure, say N.
1644
Dave Martin6f685c52011-03-03 11:41:12 +01001645config THUMB2_AVOID_R_ARM_THM_JUMP11
1646 bool "Work around buggy Thumb-2 short branch relocations in gas"
1647 depends on THUMB2_KERNEL && MODULES
1648 default y
1649 help
1650 Various binutils versions can resolve Thumb-2 branches to
1651 locally-defined, preemptible global symbols as short-range "b.n"
1652 branch instructions.
1653
1654 This is a problem, because there's no guarantee the final
1655 destination of the symbol, or any candidate locations for a
1656 trampoline, are within range of the branch. For this reason, the
1657 kernel does not support fixing up the R_ARM_THM_JUMP11 (102)
1658 relocation in modules at all, and it makes little sense to add
1659 support.
1660
1661 The symptom is that the kernel fails with an "unsupported
1662 relocation" error when loading some modules.
1663
1664 Until fixed tools are available, passing
1665 -fno-optimize-sibling-calls to gcc should prevent gcc generating
1666 code which hits this problem, at the cost of a bit of extra runtime
1667 stack usage in some cases.
1668
1669 The problem is described in more detail at:
1670 https://bugs.launchpad.net/binutils-linaro/+bug/725126
1671
1672 Only Thumb-2 kernels are affected.
1673
1674 Unless you are sure your tools don't have this problem, say Y.
1675
Catalin Marinas0becb082009-07-24 12:32:53 +01001676config ARM_ASM_UNIFIED
1677 bool
1678
Nicolas Pitre704bdda02006-01-14 16:33:50 +00001679config AEABI
1680 bool "Use the ARM EABI to compile the kernel"
1681 help
1682 This option allows for the kernel to be compiled using the latest
1683 ARM ABI (aka EABI). This is only useful if you are using a user
1684 space environment that is also compiled with EABI.
1685
1686 Since there are major incompatibilities between the legacy ABI and
1687 EABI, especially with regard to structure member alignment, this
1688 option also changes the kernel syscall calling convention to
1689 disambiguate both ABIs and allow for backward compatibility support
1690 (selected with CONFIG_OABI_COMPAT).
1691
1692 To use this you need GCC version 4.0.0 or later.
1693
Nicolas Pitre6c90c872006-01-14 16:37:15 +00001694config OABI_COMPAT
Russell Kinga73a3ff2006-02-08 21:09:55 +00001695 bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)"
Dave Martin9bc433a2011-02-11 16:41:20 +01001696 depends on AEABI && EXPERIMENTAL && !THUMB2_KERNEL
Nicolas Pitre6c90c872006-01-14 16:37:15 +00001697 default y
1698 help
1699 This option preserves the old syscall interface along with the
1700 new (ARM EABI) one. It also provides a compatibility layer to
1701 intercept syscalls that have structure arguments which layout
1702 in memory differs between the legacy ABI and the new ARM EABI
1703 (only for non "thumb" binaries). This option adds a tiny
1704 overhead to all syscalls and produces a slightly larger kernel.
1705 If you know you'll be using only pure EABI user space then you
1706 can say N here. If this option is not selected and you attempt
1707 to execute a legacy ABI binary then the result will be
1708 UNPREDICTABLE (in fact it can be predicted that it won't work
1709 at all). If in doubt say Y.
1710
Mel Gormaneb335752009-05-13 17:34:48 +01001711config ARCH_HAS_HOLES_MEMORYMODEL
Mel Gormane80d6a22008-08-14 11:10:14 +01001712 bool
Mel Gormane80d6a22008-08-14 11:10:14 +01001713
Russell King05944d72006-11-30 20:43:51 +00001714config ARCH_SPARSEMEM_ENABLE
1715 bool
1716
Russell King07a2f732008-10-01 21:39:58 +01001717config ARCH_SPARSEMEM_DEFAULT
1718 def_bool ARCH_SPARSEMEM_ENABLE
1719
Russell King05944d72006-11-30 20:43:51 +00001720config ARCH_SELECT_MEMORY_MODEL
Russell Kingbe370302010-05-07 17:40:33 +01001721 def_bool ARCH_SPARSEMEM_ENABLE
Yasunori Gotoc80d79d2006-04-10 22:53:53 -07001722
Will Deacon7b7bf492011-05-19 13:21:14 +01001723config HAVE_ARCH_PFN_VALID
1724 def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM
1725
Nicolas Pitre053a96c2008-09-19 00:36:12 -04001726config HIGHMEM
Russell Kinge8db89a2011-05-12 09:53:05 +01001727 bool "High Memory Support"
1728 depends on MMU
Nicolas Pitre053a96c2008-09-19 00:36:12 -04001729 help
1730 The address space of ARM processors is only 4 Gigabytes large
1731 and it has to accommodate user address space, kernel address
1732 space as well as some memory mapped IO. That means that, if you
1733 have a large amount of physical memory and/or IO, not all of the
1734 memory can be "permanently mapped" by the kernel. The physical
1735 memory that is not permanently mapped is called "high memory".
1736
1737 Depending on the selected kernel/user memory split, minimum
1738 vmalloc space and actual amount of RAM, you may not need this
1739 option which should result in a slightly faster kernel.
1740
1741 If unsure, say n.
1742
Russell King65cec8e2009-08-17 20:02:06 +01001743config HIGHPTE
1744 bool "Allocate 2nd-level pagetables from highmem"
1745 depends on HIGHMEM
Russell King65cec8e2009-08-17 20:02:06 +01001746
Jamie Iles1b8873a2010-02-02 20:25:44 +01001747config HW_PERF_EVENTS
1748 bool "Enable hardware performance counter support for perf events"
Will Deaconfe166142010-04-30 11:37:51 +01001749 depends on PERF_EVENTS && CPU_HAS_PMU
Jamie Iles1b8873a2010-02-02 20:25:44 +01001750 default y
1751 help
1752 Enable hardware performance counter support for perf events. If
1753 disabled, perf events will use software events only.
1754
Dave Hansen3f22ab22005-06-23 00:07:43 -07001755source "mm/Kconfig"
1756
Magnus Dammc1b2d972010-07-05 10:00:11 +01001757config FORCE_MAX_ZONEORDER
1758 int "Maximum zone order" if ARCH_SHMOBILE
1759 range 11 64 if ARCH_SHMOBILE
1760 default "9" if SA1111
1761 default "11"
1762 help
1763 The kernel memory allocator divides physically contiguous memory
1764 blocks into "zones", where each zone is a power of two number of
1765 pages. This option selects the largest power of two that the kernel
1766 keeps in the memory allocator. If you need to allocate very large
1767 blocks of physically contiguous memory, then you may need to
1768 increase this value.
1769
1770 This config option is actually maximum order plus one. For example,
1771 a value of 11 means that the largest free memory block is 2^10 pages.
1772
Linus Torvalds1da177e2005-04-16 15:20:36 -07001773config LEDS
1774 bool "Timer and CPU usage LEDs"
Adrian Bunke055d5bf2008-04-22 01:43:27 +01001775 depends on ARCH_CDB89712 || ARCH_EBSA110 || \
Sascha Hauer8c8fdbc2009-04-01 12:40:15 +02001776 ARCH_EBSA285 || ARCH_INTEGRATOR || \
Linus Torvalds1da177e2005-04-16 15:20:36 -07001777 ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_NETWINDER || \
1778 ARCH_OMAP || ARCH_P720T || ARCH_PXA_IDP || \
SAN People73a59c12006-01-09 17:05:41 +00001779 ARCH_SA1100 || ARCH_SHARK || ARCH_VERSATILE || \
Jürgen Schindele25329672008-09-16 21:36:30 +01001780 ARCH_AT91 || ARCH_DAVINCI || \
Colin Tuckleyff3042f2009-05-30 13:56:13 +01001781 ARCH_KS8695 || MACH_RD88F5182 || ARCH_REALVIEW
Linus Torvalds1da177e2005-04-16 15:20:36 -07001782 help
1783 If you say Y here, the LEDs on your machine will be used
1784 to provide useful information about your current system status.
1785
1786 If you are compiling a kernel for a NetWinder or EBSA-285, you will
1787 be able to select which LEDs are active using the options below. If
1788 you are compiling a kernel for the EBSA-110 or the LART however, the
1789 red LED will simply flash regularly to indicate that the system is
1790 still functional. It is safe to say Y here if you have a CATS
1791 system, but the driver will do nothing.
1792
1793config LEDS_TIMER
1794 bool "Timer LED" if (!ARCH_CDB89712 && !ARCH_OMAP) || \
David Brownelleebdf7d72007-04-02 12:48:10 -07001795 OMAP_OSK_MISTRAL || MACH_OMAP_H2 \
1796 || MACH_OMAP_PERSEUS2
Linus Torvalds1da177e2005-04-16 15:20:36 -07001797 depends on LEDS
Kevin Hilman0567a0c2007-03-13 20:29:24 +01001798 depends on !GENERIC_CLOCKEVENTS
Linus Torvalds1da177e2005-04-16 15:20:36 -07001799 default y if ARCH_EBSA110
1800 help
1801 If you say Y here, one of the system LEDs (the green one on the
1802 NetWinder, the amber one on the EBSA285, or the red one on the LART)
1803 will flash regularly to indicate that the system is still
1804 operational. This is mainly useful to kernel hackers who are
1805 debugging unstable kernels.
1806
1807 The LART uses the same LED for both Timer LED and CPU usage LED
1808 functions. You may choose to use both, but the Timer LED function
1809 will overrule the CPU usage LED.
1810
1811config LEDS_CPU
1812 bool "CPU usage LED" if (!ARCH_CDB89712 && !ARCH_EBSA110 && \
David Brownelleebdf7d72007-04-02 12:48:10 -07001813 !ARCH_OMAP) \
1814 || OMAP_OSK_MISTRAL || MACH_OMAP_H2 \
1815 || MACH_OMAP_PERSEUS2
Linus Torvalds1da177e2005-04-16 15:20:36 -07001816 depends on LEDS
1817 help
1818 If you say Y here, the red LED will be used to give a good real
1819 time indication of CPU usage, by lighting whenever the idle task
1820 is not currently executing.
1821
1822 The LART uses the same LED for both Timer LED and CPU usage LED
1823 functions. You may choose to use both, but the Timer LED function
1824 will overrule the CPU usage LED.
1825
1826config ALIGNMENT_TRAP
1827 bool
Hyok S. Choif12d0d72006-09-26 17:36:37 +09001828 depends on CPU_CP15_MMU
Linus Torvalds1da177e2005-04-16 15:20:36 -07001829 default y if !ARCH_EBSA110
Russell Kinge119bff2010-01-10 17:23:29 +00001830 select HAVE_PROC_CPU if PROC_FS
Linus Torvalds1da177e2005-04-16 15:20:36 -07001831 help
Matt LaPlante84eb8d02006-10-03 22:53:09 +02001832 ARM processors cannot fetch/store information which is not
Linus Torvalds1da177e2005-04-16 15:20:36 -07001833 naturally aligned on the bus, i.e., a 4 byte fetch must start at an
1834 address divisible by 4. On 32-bit ARM processors, these non-aligned
1835 fetch/store instructions will be emulated in software if you say
1836 here, which has a severe performance impact. This is necessary for
1837 correct operation of some network protocols. With an IP-only
1838 configuration it is safe to say N, otherwise say Y.
1839
Lennert Buytenhek39ec58f2009-03-09 14:30:09 -04001840config UACCESS_WITH_MEMCPY
1841 bool "Use kernel mem{cpy,set}() for {copy_to,clear}_user() (EXPERIMENTAL)"
1842 depends on MMU && EXPERIMENTAL
1843 default y if CPU_FEROCEON
1844 help
1845 Implement faster copy_to_user and clear_user methods for CPU
1846 cores where a 8-word STM instruction give significantly higher
1847 memory write throughput than a sequence of individual 32bit stores.
1848
1849 A possible side effect is a slight increase in scheduling latency
1850 between threads sharing the same address space if they invoke
1851 such copy operations with large buffers.
1852
1853 However, if the CPU data cache is using a write-allocate mode,
1854 this option is unlikely to provide any performance gain.
1855
Nicolas Pitre70c70d92010-08-26 15:08:35 -07001856config SECCOMP
1857 bool
1858 prompt "Enable seccomp to safely compute untrusted bytecode"
1859 ---help---
1860 This kernel feature is useful for number crunching applications
1861 that may need to compute untrusted bytecode during their
1862 execution. By using pipes or other transports made available to
1863 the process as file descriptors supporting the read/write
1864 syscalls, it's possible to isolate those applications in
1865 their own address space using seccomp. Once seccomp is
1866 enabled via prctl(PR_SET_SECCOMP), it cannot be disabled
1867 and the task is only allowed to execute a few safe syscalls
1868 defined by each seccomp mode.
1869
Nicolas Pitrec743f382010-05-24 23:55:42 -04001870config CC_STACKPROTECTOR
1871 bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)"
Russell King4a50bfe2010-12-05 23:06:22 +00001872 depends on EXPERIMENTAL
Nicolas Pitrec743f382010-05-24 23:55:42 -04001873 help
1874 This option turns on the -fstack-protector GCC feature. This
1875 feature puts, at the beginning of functions, a canary value on
1876 the stack just before the return address, and validates
1877 the value just before actually returning. Stack based buffer
1878 overflows (that need to overwrite this return address) now also
1879 overwrite the canary, which gets detected and the attack is then
1880 neutralized via a kernel panic.
1881 This feature requires gcc version 4.2 or above.
1882
Uwe Kleine-König73a65b32010-01-19 10:13:14 +01001883config DEPRECATED_PARAM_STRUCT
1884 bool "Provide old way to pass kernel parameters"
1885 help
1886 This was deprecated in 2001 and announced to live on for 5 years.
1887 Some old boot loaders still use this way.
1888
Linus Torvalds1da177e2005-04-16 15:20:36 -07001889endmenu
1890
1891menu "Boot options"
1892
Grant Likely9eb8f672011-04-28 14:27:20 -06001893config USE_OF
1894 bool "Flattened Device Tree support"
1895 select OF
1896 select OF_EARLY_FLATTREE
Grant Likely08a543a2011-07-26 03:19:06 -06001897 select IRQ_DOMAIN
Grant Likely9eb8f672011-04-28 14:27:20 -06001898 help
1899 Include support for flattened device tree machine descriptions.
1900
Linus Torvalds1da177e2005-04-16 15:20:36 -07001901# Compressed boot loader in ROM. Yes, we really want to ask about
1902# TEXT and BSS so we preserve their values in the config files.
1903config ZBOOT_ROM_TEXT
1904 hex "Compressed ROM boot loader base address"
1905 default "0"
1906 help
1907 The physical address at which the ROM-able zImage is to be
1908 placed in the target. Platforms which normally make use of
1909 ROM-able zImage formats normally set this to a suitable
1910 value in their defconfig file.
1911
1912 If ZBOOT_ROM is not enabled, this has no effect.
1913
1914config ZBOOT_ROM_BSS
1915 hex "Compressed ROM boot loader BSS address"
1916 default "0"
1917 help
Dan Fandrichf8c440b2006-09-20 23:28:51 +01001918 The base address of an area of read/write memory in the target
1919 for the ROM-able zImage which must be available while the
1920 decompressor is running. It must be large enough to hold the
1921 entire decompressed kernel plus an additional 128 KiB.
1922 Platforms which normally make use of ROM-able zImage formats
1923 normally set this to a suitable value in their defconfig file.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001924
1925 If ZBOOT_ROM is not enabled, this has no effect.
1926
1927config ZBOOT_ROM
1928 bool "Compressed boot loader in ROM/flash"
1929 depends on ZBOOT_ROM_TEXT != ZBOOT_ROM_BSS
1930 help
1931 Say Y here if you intend to execute your compressed kernel image
1932 (zImage) directly from ROM or flash. If unsure, say N.
1933
Simon Horman090ab3f2011-04-26 06:29:53 +01001934choice
1935 prompt "Include SD/MMC loader in zImage (EXPERIMENTAL)"
1936 depends on ZBOOT_ROM && ARCH_SH7372 && EXPERIMENTAL
1937 default ZBOOT_ROM_NONE
1938 help
1939 Include experimental SD/MMC loading code in the ROM-able zImage.
1940 With this enabled it is possible to write the the ROM-able zImage
1941 kernel image to an MMC or SD card and boot the kernel straight
1942 from the reset vector. At reset the processor Mask ROM will load
1943 the first part of the the ROM-able zImage which in turn loads the
1944 rest the kernel image to RAM.
1945
1946config ZBOOT_ROM_NONE
1947 bool "No SD/MMC loader in zImage (EXPERIMENTAL)"
1948 help
1949 Do not load image from SD or MMC
1950
Simon Hormanf45b1142011-01-11 04:01:08 +01001951config ZBOOT_ROM_MMCIF
1952 bool "Include MMCIF loader in zImage (EXPERIMENTAL)"
Simon Hormanf45b1142011-01-11 04:01:08 +01001953 help
Simon Horman090ab3f2011-04-26 06:29:53 +01001954 Load image from MMCIF hardware block.
1955
1956config ZBOOT_ROM_SH_MOBILE_SDHI
1957 bool "Include SuperH Mobile SDHI loader in zImage (EXPERIMENTAL)"
1958 help
1959 Load image from SDHI hardware block
1960
1961endchoice
Simon Hormanf45b1142011-01-11 04:01:08 +01001962
John Bonesioe2a6a3a2011-05-27 18:45:50 -04001963config ARM_APPENDED_DTB
1964 bool "Use appended device tree blob to zImage (EXPERIMENTAL)"
1965 depends on OF && !ZBOOT_ROM && EXPERIMENTAL
1966 help
1967 With this option, the boot code will look for a device tree binary
1968 (DTB) appended to zImage
1969 (e.g. cat zImage <filename>.dtb > zImage_w_dtb).
1970
1971 This is meant as a backward compatibility convenience for those
1972 systems with a bootloader that can't be upgraded to accommodate
1973 the documented boot protocol using a device tree.
1974
1975 Beware that there is very little in terms of protection against
1976 this option being confused by leftover garbage in memory that might
1977 look like a DTB header after a reboot if no actual DTB is appended
1978 to zImage. Do not leave this option active in a production kernel
1979 if you don't intend to always append a DTB. Proper passing of the
1980 location into r2 of a bootloader provided DTB is always preferable
1981 to this option.
1982
Nicolas Pitreb90b9a32011-09-13 22:37:07 -04001983config ARM_ATAG_DTB_COMPAT
1984 bool "Supplement the appended DTB with traditional ATAG information"
1985 depends on ARM_APPENDED_DTB
1986 help
1987 Some old bootloaders can't be updated to a DTB capable one, yet
1988 they provide ATAGs with memory configuration, the ramdisk address,
1989 the kernel cmdline string, etc. Such information is dynamically
1990 provided by the bootloader and can't always be stored in a static
1991 DTB. To allow a device tree enabled kernel to be used with such
1992 bootloaders, this option allows zImage to extract the information
1993 from the ATAG list and store it at run time into the appended DTB.
1994
Linus Torvalds1da177e2005-04-16 15:20:36 -07001995config CMDLINE
1996 string "Default kernel command string"
1997 default ""
1998 help
1999 On some architectures (EBSA110 and CATS), there is currently no way
2000 for the boot loader to pass arguments to the kernel. For these
2001 architectures, you should supply some command-line options at build
2002 time by entering them here. As a minimum, you should specify the
2003 memory size and the root device (e.g., mem=64M root=/dev/nfs).
2004
Victor Boivie4394c122011-05-04 17:07:55 +01002005choice
2006 prompt "Kernel command line type" if CMDLINE != ""
2007 default CMDLINE_FROM_BOOTLOADER
2008
2009config CMDLINE_FROM_BOOTLOADER
2010 bool "Use bootloader kernel arguments if available"
2011 help
2012 Uses the command-line options passed by the boot loader. If
2013 the boot loader doesn't provide any, the default kernel command
2014 string provided in CMDLINE will be used.
2015
2016config CMDLINE_EXTEND
2017 bool "Extend bootloader kernel arguments"
2018 help
2019 The command-line arguments provided by the boot loader will be
2020 appended to the default kernel command string.
2021
Alexander Holler92d20402010-02-16 19:04:53 +01002022config CMDLINE_FORCE
2023 bool "Always use the default kernel command string"
Alexander Holler92d20402010-02-16 19:04:53 +01002024 help
2025 Always use the default kernel command string, even if the boot
2026 loader passes other arguments to the kernel.
2027 This is useful if you cannot or don't want to change the
2028 command-line options your boot loader passes to the kernel.
Victor Boivie4394c122011-05-04 17:07:55 +01002029endchoice
Alexander Holler92d20402010-02-16 19:04:53 +01002030
Linus Torvalds1da177e2005-04-16 15:20:36 -07002031config XIP_KERNEL
2032 bool "Kernel Execute-In-Place from ROM"
Catalin Marinas497b7e92011-11-22 17:30:32 +00002033 depends on !ZBOOT_ROM && !ARM_LPAE
Linus Torvalds1da177e2005-04-16 15:20:36 -07002034 help
2035 Execute-In-Place allows the kernel to run from non-volatile storage
2036 directly addressable by the CPU, such as NOR flash. This saves RAM
2037 space since the text section of the kernel is not loaded from flash
2038 to RAM. Read-write sections, such as the data section and stack,
2039 are still copied to RAM. The XIP kernel is not compressed since
2040 it has to run directly from flash, so it will take more space to
2041 store it. The flash address used to link the kernel object files,
2042 and for storing it, is configuration dependent. Therefore, if you
2043 say Y here, you must know the proper physical address where to
2044 store the kernel image depending on your own flash memory usage.
2045
2046 Also note that the make target becomes "make xipImage" rather than
2047 "make zImage" or "make Image". The final kernel binary to put in
2048 ROM memory will be arch/arm/boot/xipImage.
2049
2050 If unsure, say N.
2051
2052config XIP_PHYS_ADDR
2053 hex "XIP Kernel Physical Location"
2054 depends on XIP_KERNEL
2055 default "0x00080000"
2056 help
2057 This is the physical address in your flash memory the kernel will
2058 be linked for and stored to. This address is dependent on your
2059 own flash usage.
2060
Richard Purdiec587e4a2007-02-06 21:29:00 +01002061config KEXEC
2062 bool "Kexec system call (EXPERIMENTAL)"
Will Deacon02b73e22011-06-06 15:49:23 +01002063 depends on EXPERIMENTAL && (!SMP || HOTPLUG_CPU)
Richard Purdiec587e4a2007-02-06 21:29:00 +01002064 help
2065 kexec is a system call that implements the ability to shutdown your
2066 current kernel, and to start another kernel. It is like a reboot
Matt LaPlante01dd2fb2007-10-20 01:34:40 +02002067 but it is independent of the system firmware. And like a reboot
Richard Purdiec587e4a2007-02-06 21:29:00 +01002068 you can start any kernel with it, not just Linux.
2069
2070 It is an ongoing process to be certain the hardware in a machine
2071 is properly shutdown, so do not be surprised if this code does not
2072 initially work for you. It may help to enable device hotplugging
2073 support.
2074
Richard Purdie4cd9d6f2008-01-02 00:56:46 +01002075config ATAGS_PROC
2076 bool "Export atags in procfs"
Uli Luckasb98d7292008-02-22 16:45:18 +01002077 depends on KEXEC
2078 default y
Richard Purdie4cd9d6f2008-01-02 00:56:46 +01002079 help
2080 Should the atags used to boot the kernel be exported in an "atags"
2081 file in procfs. Useful with kexec.
2082
Mika Westerbergcb5d39b2010-11-18 19:14:52 +01002083config CRASH_DUMP
2084 bool "Build kdump crash kernel (EXPERIMENTAL)"
2085 depends on EXPERIMENTAL
2086 help
2087 Generate crash dump after being started by kexec. This should
2088 be normally only set in special crash dump kernels which are
2089 loaded in the main kernel with kexec-tools into a specially
2090 reserved region and then later executed after a crash by
2091 kdump/kexec. The crash dump kernel must be compiled to a
2092 memory address not used by the main kernel
2093
2094 For more details see Documentation/kdump/kdump.txt
2095
Eric Miaoe69edc792010-07-05 15:56:50 +02002096config AUTO_ZRELADDR
2097 bool "Auto calculation of the decompressed kernel image address"
2098 depends on !ZBOOT_ROM && !ARCH_U300
2099 help
2100 ZRELADDR is the physical address where the decompressed kernel
2101 image will be placed. If AUTO_ZRELADDR is selected, the address
2102 will be determined at run-time by masking the current IP with
2103 0xf8000000. This assumes the zImage being placed in the first 128MB
2104 from start of memory.
2105
Linus Torvalds1da177e2005-04-16 15:20:36 -07002106endmenu
2107
Russell Kingac9d7ef2008-08-18 17:26:00 +01002108menu "CPU Power Management"
Linus Torvalds1da177e2005-04-16 15:20:36 -07002109
Ben Dooks89c52ed2009-07-30 23:23:24 +01002110if ARCH_HAS_CPUFREQ
Linus Torvalds1da177e2005-04-16 15:20:36 -07002111
2112source "drivers/cpufreq/Kconfig"
2113
Yong Shen64f102b2010-10-21 21:18:59 +08002114config CPU_FREQ_IMX
2115 tristate "CPUfreq driver for i.MX CPUs"
2116 depends on ARCH_MXC && CPU_FREQ
2117 help
2118 This enables the CPUfreq driver for i.MX CPUs.
2119
Linus Torvalds1da177e2005-04-16 15:20:36 -07002120config CPU_FREQ_SA1100
2121 bool
Linus Torvalds1da177e2005-04-16 15:20:36 -07002122
2123config CPU_FREQ_SA1110
2124 bool
Linus Torvalds1da177e2005-04-16 15:20:36 -07002125
2126config CPU_FREQ_INTEGRATOR
2127 tristate "CPUfreq driver for ARM Integrator CPUs"
2128 depends on ARCH_INTEGRATOR && CPU_FREQ
2129 default y
2130 help
2131 This enables the CPUfreq driver for ARM Integrator CPUs.
2132
2133 For details, take a look at <file:Documentation/cpu-freq>.
2134
2135 If in doubt, say Y.
2136
Russell King9e2697f2007-12-14 13:30:14 +00002137config CPU_FREQ_PXA
2138 bool
2139 depends on CPU_FREQ && ARCH_PXA && PXA25x
2140 default y
Arnd Bergmannca7d1562011-10-01 22:03:51 +02002141 select CPU_FREQ_TABLE
Russell King9e2697f2007-12-14 13:30:14 +00002142 select CPU_FREQ_DEFAULT_GOV_USERSPACE
2143
Ben Dooks9d56c022009-07-30 23:23:25 +01002144config CPU_FREQ_S3C
2145 bool
2146 help
2147 Internal configuration node for common cpufreq on Samsung SoC
2148
2149config CPU_FREQ_S3C24XX
Russell King4a50bfe2010-12-05 23:06:22 +00002150 bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
Kukjin Kimb130d5c2012-02-03 14:29:23 +09002151 depends on ARCH_S3C24XX && CPU_FREQ && EXPERIMENTAL
Ben Dooks9d56c022009-07-30 23:23:25 +01002152 select CPU_FREQ_S3C
2153 help
2154 This enables the CPUfreq driver for the Samsung S3C24XX family
2155 of CPUs.
2156
2157 For details, take a look at <file:Documentation/cpu-freq>.
2158
2159 If in doubt, say N.
2160
2161config CPU_FREQ_S3C24XX_PLL
Russell King4a50bfe2010-12-05 23:06:22 +00002162 bool "Support CPUfreq changing of PLL frequency (EXPERIMENTAL)"
Ben Dooks9d56c022009-07-30 23:23:25 +01002163 depends on CPU_FREQ_S3C24XX && EXPERIMENTAL
2164 help
2165 Compile in support for changing the PLL frequency from the
2166 S3C24XX series CPUfreq driver. The PLL takes time to settle
2167 after a frequency change, so by default it is not enabled.
2168
2169 This also means that the PLL tables for the selected CPU(s) will
2170 be built which may increase the size of the kernel image.
2171
2172config CPU_FREQ_S3C24XX_DEBUG
2173 bool "Debug CPUfreq Samsung driver core"
2174 depends on CPU_FREQ_S3C24XX
2175 help
2176 Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
2177
2178config CPU_FREQ_S3C24XX_IODEBUG
2179 bool "Debug CPUfreq Samsung driver IO timing"
2180 depends on CPU_FREQ_S3C24XX
2181 help
2182 Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
2183
Ben Dookse6d197a2009-07-30 23:23:42 +01002184config CPU_FREQ_S3C24XX_DEBUGFS
2185 bool "Export debugfs for CPUFreq"
2186 depends on CPU_FREQ_S3C24XX && DEBUG_FS
2187 help
2188 Export status information via debugfs.
2189
Linus Torvalds1da177e2005-04-16 15:20:36 -07002190endif
2191
Russell Kingac9d7ef2008-08-18 17:26:00 +01002192source "drivers/cpuidle/Kconfig"
2193
2194endmenu
2195
Linus Torvalds1da177e2005-04-16 15:20:36 -07002196menu "Floating point emulation"
2197
2198comment "At least one emulation must be selected"
2199
2200config FPE_NWFPE
2201 bool "NWFPE math emulation"
Dave Martin593c2522010-12-13 21:56:03 +01002202 depends on (!AEABI || OABI_COMPAT) && !THUMB2_KERNEL
Linus Torvalds1da177e2005-04-16 15:20:36 -07002203 ---help---
2204 Say Y to include the NWFPE floating point emulator in the kernel.
2205 This is necessary to run most binaries. Linux does not currently
2206 support floating point hardware so you need to say Y here even if
2207 your machine has an FPA or floating point co-processor podule.
2208
2209 You may say N here if you are going to load the Acorn FPEmulator
2210 early in the bootup.
2211
2212config FPE_NWFPE_XP
2213 bool "Support extended precision"
Lennert Buytenhekbedf1422005-11-07 21:12:08 +00002214 depends on FPE_NWFPE
Linus Torvalds1da177e2005-04-16 15:20:36 -07002215 help
2216 Say Y to include 80-bit support in the kernel floating-point
2217 emulator. Otherwise, only 32 and 64-bit support is compiled in.
2218 Note that gcc does not generate 80-bit operations by default,
2219 so in most cases this option only enlarges the size of the
2220 floating point emulator without any good reason.
2221
2222 You almost surely want to say N here.
2223
2224config FPE_FASTFPE
2225 bool "FastFPE math emulation (EXPERIMENTAL)"
Nicolas Pitre8993a442006-01-14 16:36:50 +00002226 depends on (!AEABI || OABI_COMPAT) && !CPU_32v3 && EXPERIMENTAL
Linus Torvalds1da177e2005-04-16 15:20:36 -07002227 ---help---
2228 Say Y here to include the FAST floating point emulator in the kernel.
2229 This is an experimental much faster emulator which now also has full
2230 precision for the mantissa. It does not support any exceptions.
2231 It is very simple, and approximately 3-6 times faster than NWFPE.
2232
2233 It should be sufficient for most programs. It may be not suitable
2234 for scientific calculations, but you have to check this for yourself.
2235 If you do not feel you need a faster FP emulation you should better
2236 choose NWFPE.
2237
2238config VFP
2239 bool "VFP-format floating point maths"
Russell Kinge399b1a2011-01-17 15:08:32 +00002240 depends on CPU_V6 || CPU_V6K || CPU_ARM926T || CPU_V7 || CPU_FEROCEON
Linus Torvalds1da177e2005-04-16 15:20:36 -07002241 help
2242 Say Y to include VFP support code in the kernel. This is needed
2243 if your hardware includes a VFP unit.
2244
2245 Please see <file:Documentation/arm/VFP/release-notes.txt> for
2246 release notes and additional status information.
2247
2248 Say N if your target does not have VFP hardware.
2249
Catalin Marinas25ebee02007-09-25 15:22:24 +01002250config VFPv3
2251 bool
2252 depends on VFP
2253 default y if CPU_V7
2254
Catalin Marinasb5872db2008-01-10 19:16:17 +01002255config NEON
2256 bool "Advanced SIMD (NEON) Extension support"
2257 depends on VFPv3 && CPU_V7
2258 help
2259 Say Y to include support code for NEON, the ARMv7 Advanced SIMD
2260 Extension.
2261
Linus Torvalds1da177e2005-04-16 15:20:36 -07002262endmenu
2263
2264menu "Userspace binary formats"
2265
2266source "fs/Kconfig.binfmt"
2267
2268config ARTHUR
2269 tristate "RISC OS personality"
Nicolas Pitre704bdda02006-01-14 16:33:50 +00002270 depends on !AEABI
Linus Torvalds1da177e2005-04-16 15:20:36 -07002271 help
2272 Say Y here to include the kernel code necessary if you want to run
2273 Acorn RISC OS/Arthur binaries under Linux. This code is still very
2274 experimental; if this sounds frightening, say N and sleep in peace.
2275 You can also say M here to compile this support as a module (which
2276 will be called arthur).
2277
2278endmenu
2279
2280menu "Power management options"
2281
Russell Kingeceab4a2005-11-15 11:31:41 +00002282source "kernel/power/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07002283
Johannes Bergf4cb5702007-12-08 02:14:00 +01002284config ARCH_SUSPEND_POSSIBLE
Abhilash Kesavan6b6844d2011-10-04 20:30:22 +09002285 depends on !ARCH_S5PC100
Russell King6a786182011-04-02 10:15:28 +01002286 depends on CPU_ARM920T || CPU_ARM926T || CPU_SA1100 || \
2287 CPU_V6 || CPU_V6K || CPU_V7 || CPU_XSC3 || CPU_XSCALE
Johannes Bergf4cb5702007-12-08 02:14:00 +01002288 def_bool y
2289
Arnd Bergmann15e0d9e2011-10-01 21:09:39 +02002290config ARM_CPU_SUSPEND
2291 def_bool PM_SLEEP
2292
Linus Torvalds1da177e2005-04-16 15:20:36 -07002293endmenu
2294
Sam Ravnborgd5950b42005-07-11 21:03:49 -07002295source "net/Kconfig"
2296
Uwe Kleine-Königac251502009-08-13 21:09:21 +02002297source "drivers/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07002298
2299source "fs/Kconfig"
2300
Linus Torvalds1da177e2005-04-16 15:20:36 -07002301source "arch/arm/Kconfig.debug"
2302
2303source "security/Kconfig"
2304
2305source "crypto/Kconfig"
2306
2307source "lib/Kconfig"