blob: a4e32fd9bb4a6af21e260666c37670196904e5ae [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001config ARM
2 bool
3 default y
Russell Kingb1b3f492012-10-06 17:12:25 +01004 select ARCH_BINFMT_ELF_RANDOMIZE_PIE
Catalin Marinas74634492012-07-30 14:41:09 -07005 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
Russell Kingb1b3f492012-10-06 17:12:25 +01006 select ARCH_HAVE_CUSTOM_GPIO_H
Mark Rutland3d067702012-10-30 12:13:42 +00007 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
Russell Kingb1b3f492012-10-06 17:12:25 +01008 select ARCH_WANT_IPC_PARSE_VERSION
Stephen Boydee951c62012-10-29 19:19:34 +01009 select BUILDTIME_EXTABLE_SORT if MMU
Russell Kingb1b3f492012-10-06 17:12:25 +010010 select CPU_PM if (SUSPEND || CPU_IDLE)
Will Deacon39b175a2012-12-04 12:57:11 +010011 select DCACHE_WORD_ACCESS if (CPU_V6 || CPU_V6K || CPU_V7) && !CPU_BIG_ENDIAN && MMU
Russell Kingb1b3f492012-10-06 17:12:25 +010012 select GENERIC_ATOMIC64 if (CPU_V6 || !CPU_32v6K || !AEABI)
13 select GENERIC_CLOCKEVENTS_BROADCAST if SMP
14 select GENERIC_IRQ_PROBE
15 select GENERIC_IRQ_SHOW
Russell Kingb1b3f492012-10-06 17:12:25 +010016 select GENERIC_PCI_IOMAP
17 select GENERIC_SMP_IDLE_THREAD
Thomas Gleixnerf7b861b2013-03-21 22:49:38 +010018 select GENERIC_IDLE_POLL_SETUP
Russell Kingb1b3f492012-10-06 17:12:25 +010019 select GENERIC_STRNCPY_FROM_USER
20 select GENERIC_STRNLEN_USER
21 select HARDIRQS_SW_RESEND
22 select HAVE_AOUT
Rabin Vincent09f05d82012-02-18 17:52:41 +010023 select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL
Jason Wessel5cbad0e2008-02-20 13:33:40 -060024 select HAVE_ARCH_KGDB
Will Drewry4095ccc2012-11-15 22:12:29 +010025 select HAVE_ARCH_SECCOMP_FILTER
Wade Farnsworth0693bf62012-04-04 16:19:47 +010026 select HAVE_ARCH_TRACEHOOK
Russell Kingb1b3f492012-10-06 17:12:25 +010027 select HAVE_BPF_JIT
28 select HAVE_C_RECORDMCOUNT
29 select HAVE_DEBUG_KMEMLEAK
30 select HAVE_DMA_API_DEBUG
31 select HAVE_DMA_ATTRS
32 select HAVE_DMA_CONTIGUOUS if MMU
33 select HAVE_DYNAMIC_FTRACE if (!XIP_KERNEL)
34 select HAVE_FTRACE_MCOUNT_RECORD if (!XIP_KERNEL)
35 select HAVE_FUNCTION_GRAPH_TRACER if (!THUMB2_KERNEL)
36 select HAVE_FUNCTION_TRACER if (!XIP_KERNEL)
37 select HAVE_GENERIC_DMA_COHERENT
38 select HAVE_GENERIC_HARDIRQS
39 select HAVE_HW_BREAKPOINT if (PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7))
40 select HAVE_IDE if PCI || ISA || PCMCIA
Russell King87c46b62013-05-04 14:38:59 +010041 select HAVE_IRQ_TIME_ACCOUNTING
Russell Kingb1b3f492012-10-06 17:12:25 +010042 select HAVE_KERNEL_GZIP
43 select HAVE_KERNEL_LZMA
44 select HAVE_KERNEL_LZO
45 select HAVE_KERNEL_XZ
Jon Medhurst856bc352011-06-14 13:09:39 +010046 select HAVE_KPROBES if !XIP_KERNEL
Ananth N Mavinakayanahalli9edddaa2008-03-04 14:28:37 -080047 select HAVE_KRETPROBES if (HAVE_KPROBES)
Russell Kingb1b3f492012-10-06 17:12:25 +010048 select HAVE_MEMBLOCK
49 select HAVE_OPROFILE if (HAVE_PERF_EVENTS)
Jamie Iles7ada1892010-02-02 20:24:58 +010050 select HAVE_PERF_EVENTS
Will Deacone513f8b2010-06-25 12:24:53 +010051 select HAVE_REGS_AND_STACK_ACCESS_API
Russell Kingb1b3f492012-10-06 17:12:25 +010052 select HAVE_SYSCALL_TRACEPOINTS
Catalin Marinasaf1839e2012-10-08 16:28:08 -070053 select HAVE_UID16
Anna-Maria Gleixner3d92a712012-05-18 16:45:44 +000054 select KTIME_SCALAR
Russell Kingb1b3f492012-10-06 17:12:25 +010055 select PERF_USE_VMALLOC
56 select RTC_LIB
57 select SYS_SUPPORTS_APM_EMULATION
David Howells786d35d2012-09-28 14:31:03 +093058 select HAVE_MOD_ARCH_SPECIFIC if ARM_UNWIND
59 select MODULES_USE_ELF_REL
Al Viro38a61b62012-10-21 15:54:27 -040060 select CLONE_BACKWARDS
Al Virob68fec22012-12-25 16:29:48 -050061 select OLD_SIGSUSPEND3
Al Viro50bcb7e2012-12-25 19:32:07 -050062 select OLD_SIGACTION
Kevin Hilmanb0088482013-03-28 22:54:40 +010063 select HAVE_CONTEXT_TRACKING
Linus Torvalds1da177e2005-04-16 15:20:36 -070064 help
65 The ARM series is a line of low-power-consumption RISC chip designs
Martin Michlmayrf6c89652006-02-08 21:09:07 +000066 licensed by ARM Ltd and targeted at embedded applications and
Linus Torvalds1da177e2005-04-16 15:20:36 -070067 handhelds such as the Compaq IPAQ. ARM-based PCs are no longer
Martin Michlmayrf6c89652006-02-08 21:09:07 +000068 manufactured, but legacy ARM-based PC hardware remains popular in
Linus Torvalds1da177e2005-04-16 15:20:36 -070069 Europe. There is an ARM Linux project with a web page at
70 <http://www.arm.linux.org.uk/>.
71
Russell King74facff2011-06-02 11:16:22 +010072config ARM_HAS_SG_CHAIN
73 bool
74
Marek Szyprowski4ce63fc2012-05-16 15:48:21 +020075config NEED_SG_DMA_LENGTH
76 bool
77
78config ARM_DMA_USE_IOMMU
Marek Szyprowski4ce63fc2012-05-16 15:48:21 +020079 bool
Russell Kingb1b3f492012-10-06 17:12:25 +010080 select ARM_HAS_SG_CHAIN
81 select NEED_SG_DMA_LENGTH
Marek Szyprowski4ce63fc2012-05-16 15:48:21 +020082
Seung-Woo Kim60460ab2013-02-06 13:21:14 +090083if ARM_DMA_USE_IOMMU
84
85config ARM_DMA_IOMMU_ALIGNMENT
86 int "Maximum PAGE_SIZE order of alignment for DMA IOMMU buffers"
87 range 4 9
88 default 8
89 help
90 DMA mapping framework by default aligns all buffers to the smallest
91 PAGE_SIZE order which is greater than or equal to the requested buffer
92 size. This works well for buffers up to a few hundreds kilobytes, but
93 for larger buffers it just a waste of address space. Drivers which has
94 relatively small addressing window (like 64Mib) might run out of
95 virtual space with just a few allocations.
96
97 With this parameter you can specify the maximum PAGE_SIZE order for
98 DMA IOMMU buffers. Larger buffers will be aligned only to this
99 specified order. The order is expressed as a power of two multiplied
100 by the PAGE_SIZE.
101
102endif
103
Russell King1a189b92008-04-13 21:41:55 +0100104config HAVE_PWM
105 bool
106
Hans Ulli Kroll0b05da72010-12-02 12:32:15 +0100107config MIGHT_HAVE_PCI
108 bool
109
Ralf Baechle75e71532007-02-09 17:08:58 +0000110config SYS_SUPPORTS_APM_EMULATION
111 bool
112
Linus Walleijbc581772009-09-15 17:30:37 +0100113config HAVE_TCM
114 bool
115 select GENERIC_ALLOCATOR
116
Russell Kinge119bff2010-01-10 17:23:29 +0000117config HAVE_PROC_CPU
118 bool
119
Al Viro5ea81762007-02-11 15:41:31 +0000120config NO_IOPORT
121 bool
Al Viro5ea81762007-02-11 15:41:31 +0000122
Linus Torvalds1da177e2005-04-16 15:20:36 -0700123config EISA
124 bool
125 ---help---
126 The Extended Industry Standard Architecture (EISA) bus was
127 developed as an open alternative to the IBM MicroChannel bus.
128
129 The EISA bus provided some of the features of the IBM MicroChannel
130 bus while maintaining backward compatibility with cards made for
131 the older ISA bus. The EISA bus saw limited use between 1988 and
132 1995 when it was made obsolete by the PCI bus.
133
134 Say Y here if you are building a kernel for an EISA-based machine.
135
136 Otherwise, say N.
137
138config SBUS
139 bool
140
Russell Kingf16fb1e2007-04-28 09:59:37 +0100141config STACKTRACE_SUPPORT
142 bool
143 default y
144
Nicolas Pitref76e9152008-04-24 01:31:46 -0400145config HAVE_LATENCYTOP_SUPPORT
146 bool
147 depends on !SMP
148 default y
149
Russell Kingf16fb1e2007-04-28 09:59:37 +0100150config LOCKDEP_SUPPORT
151 bool
152 default y
153
Russell King7ad1bcb2006-08-27 12:07:02 +0100154config TRACE_IRQFLAGS_SUPPORT
155 bool
156 default y
157
Linus Torvalds1da177e2005-04-16 15:20:36 -0700158config RWSEM_GENERIC_SPINLOCK
159 bool
160 default y
161
162config RWSEM_XCHGADD_ALGORITHM
163 bool
164
David Howellsf0d1b0b2006-12-08 02:37:49 -0800165config ARCH_HAS_ILOG2_U32
166 bool
David Howellsf0d1b0b2006-12-08 02:37:49 -0800167
168config ARCH_HAS_ILOG2_U64
169 bool
David Howellsf0d1b0b2006-12-08 02:37:49 -0800170
Ben Dooks89c52ed2009-07-30 23:23:24 +0100171config ARCH_HAS_CPUFREQ
172 bool
173 help
174 Internal node to signify that the ARCH has CPUFREQ support
175 and that the relevant menu configurations are displayed for
176 it.
177
Akinobu Mitab89c3b12006-03-26 01:39:19 -0800178config GENERIC_HWEIGHT
179 bool
180 default y
181
Linus Torvalds1da177e2005-04-16 15:20:36 -0700182config GENERIC_CALIBRATE_DELAY
183 bool
184 default y
185
viro@ZenIV.linux.org.uka08b6b72005-09-06 01:48:42 +0100186config ARCH_MAY_HAVE_PC_FDC
187 bool
188
Christoph Lameter5ac6da62007-02-10 01:43:14 -0800189config ZONE_DMA
190 bool
Christoph Lameter5ac6da62007-02-10 01:43:14 -0800191
FUJITA Tomonoriccd7ab72010-03-10 15:23:23 -0800192config NEED_DMA_MAP_STATE
193 def_bool y
194
Rob Herring58af4a22012-03-20 14:33:01 -0500195config ARCH_HAS_DMA_SET_COHERENT_MASK
196 bool
197
Linus Torvalds1da177e2005-04-16 15:20:36 -0700198config GENERIC_ISA_DMA
199 bool
200
Linus Torvalds1da177e2005-04-16 15:20:36 -0700201config FIQ
202 bool
203
Rob Herring13a50452012-02-07 09:28:22 -0600204config NEED_RET_TO_USER
205 bool
206
Al Viro034d2f52005-12-19 16:27:59 -0500207config ARCH_MTD_XIP
208 bool
209
Hyok S. Choic760fc12006-03-27 15:18:50 +0100210config VECTORS_BASE
211 hex
Hyok S. Choi6afd6fa2006-09-28 21:46:34 +0900212 default 0xffff0000 if MMU || CPU_HIGH_VECTOR
Hyok S. Choic760fc12006-03-27 15:18:50 +0100213 default DRAM_BASE if REMAP_VECTORS_TO_RAM
214 default 0x00000000
215 help
216 The base address of exception vectors.
217
Russell Kingdc21af92011-01-04 19:09:43 +0000218config ARM_PATCH_PHYS_VIRT
Russell Kingc1beced2011-08-10 10:23:45 +0100219 bool "Patch physical to virtual translations at runtime" if EMBEDDED
220 default y
Nicolas Pitreb511d752011-02-21 06:53:35 +0100221 depends on !XIP_KERNEL && MMU
Russell Kingdc21af92011-01-04 19:09:43 +0000222 depends on !ARCH_REALVIEW || !SPARSEMEM
223 help
Russell King111e9a52011-05-12 10:02:42 +0100224 Patch phys-to-virt and virt-to-phys translation functions at
225 boot and module load time according to the position of the
226 kernel in system memory.
Russell Kingdc21af92011-01-04 19:09:43 +0000227
Russell King111e9a52011-05-12 10:02:42 +0100228 This can only be used with non-XIP MMU kernels where the base
Nicolas Pitredaece592011-08-12 00:14:29 +0100229 of physical memory is at a 16MB boundary.
Russell Kingdc21af92011-01-04 19:09:43 +0000230
Russell Kingc1beced2011-08-10 10:23:45 +0100231 Only disable this option if you know that you do not require
232 this feature (eg, building a kernel for a single machine) and
233 you need to shrink the kernel to the minimal size.
234
Rob Herring01464222012-08-28 13:06:41 -0500235config NEED_MACH_GPIO_H
236 bool
237 help
238 Select this when mach/gpio.h is required to provide special
239 definitions for this platform. The need for mach/gpio.h should
240 be avoided when possible.
241
Rob Herringc334bc12012-03-04 22:03:33 -0600242config NEED_MACH_IO_H
243 bool
244 help
245 Select this when mach/io.h is required to provide special
246 definitions for this platform. The need for mach/io.h should
247 be avoided when possible.
248
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400249config NEED_MACH_MEMORY_H
Nicolas Pitre1b9f95f2011-07-05 22:52:51 -0400250 bool
Russell King111e9a52011-05-12 10:02:42 +0100251 help
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400252 Select this when mach/memory.h is required to provide special
253 definitions for this platform. The need for mach/memory.h should
254 be avoided when possible.
Nicolas Pitre1b9f95f2011-07-05 22:52:51 -0400255
256config PHYS_OFFSET
Nicolas Pitre974c0722011-12-02 23:09:42 +0100257 hex "Physical address of main memory" if MMU
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400258 depends on !ARM_PATCH_PHYS_VIRT && !NEED_MACH_MEMORY_H
Nicolas Pitre974c0722011-12-02 23:09:42 +0100259 default DRAM_BASE if !MMU
Nicolas Pitre1b9f95f2011-07-05 22:52:51 -0400260 help
261 Please provide the physical address corresponding to the
262 location of main memory in your system.
Russell Kingcada3c02011-01-04 19:39:29 +0000263
Simon Glass87e040b2011-08-16 23:44:26 +0100264config GENERIC_BUG
265 def_bool y
266 depends on BUG
267
Linus Torvalds1da177e2005-04-16 15:20:36 -0700268source "init/Kconfig"
269
Matt Helsleydc52ddc2008-10-18 20:27:21 -0700270source "kernel/Kconfig.freezer"
271
Linus Torvalds1da177e2005-04-16 15:20:36 -0700272menu "System Type"
273
Hyok S. Choi3c427972009-07-24 12:35:00 +0100274config MMU
275 bool "MMU-based Paged Memory Management Support"
276 default y
277 help
278 Select if you want MMU-based virtualised addressing space
279 support by paged memory management. If unsure, say 'Y'.
280
Russell Kingccf50e22010-03-15 19:03:06 +0000281#
282# The "ARM system type" choice list is ordered alphabetically by option
283# text. Please add new entries in the option alphabetic order.
284#
Linus Torvalds1da177e2005-04-16 15:20:36 -0700285choice
286 prompt "ARM system type"
Arnd Bergmann1420b222013-02-14 13:33:36 +0100287 default ARCH_VERSATILE if !MMU
288 default ARCH_MULTIPLATFORM if MMU
Linus Torvalds1da177e2005-04-16 15:20:36 -0700289
Rob Herring387798b2012-09-06 13:41:12 -0500290config ARCH_MULTIPLATFORM
291 bool "Allow multiple platforms to be selected"
Russell Kingb1b3f492012-10-06 17:12:25 +0100292 depends on MMU
Rob Herring387798b2012-09-06 13:41:12 -0500293 select ARM_PATCH_PHYS_VIRT
294 select AUTO_ZRELADDR
Dinh Nguyen66314222012-07-18 16:07:18 -0600295 select COMMON_CLK
Rob Herring387798b2012-09-06 13:41:12 -0500296 select MULTI_IRQ_HANDLER
Dinh Nguyen66314222012-07-18 16:07:18 -0600297 select SPARSE_IRQ
298 select USE_OF
Dinh Nguyen66314222012-07-18 16:07:18 -0600299
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100300config ARCH_INTEGRATOR
301 bool "ARM Ltd. Integrator family"
Ben Dooks89c52ed2009-07-30 23:23:24 +0100302 select ARCH_HAS_CPUFREQ
Russell Kingb1b3f492012-10-06 17:12:25 +0100303 select ARM_AMBA
Linus Walleija6131632012-06-11 17:33:12 +0200304 select COMMON_CLK
Linus Walleijf9a6aa42012-08-06 18:32:08 +0200305 select COMMON_CLK_VERSATILE
Russell Kingb1b3f492012-10-06 17:12:25 +0100306 select GENERIC_CLOCKEVENTS
Linus Walleij9904f792011-12-09 10:29:23 +0100307 select HAVE_TCM
Russell Kingc5a0adb2010-01-16 20:16:10 +0000308 select ICST
Russell Kingb1b3f492012-10-06 17:12:25 +0100309 select MULTI_IRQ_HANDLER
310 select NEED_MACH_MEMORY_H
Russell Kingf4b8b312010-01-14 12:48:06 +0000311 select PLAT_VERSATILE
Linus Walleij695436e2012-02-26 10:46:48 +0100312 select SPARSE_IRQ
Linus Walleij2389d502012-10-31 22:04:31 +0100313 select VERSATILE_FPGA_IRQ
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100314 help
315 Support for ARM's Integrator platform.
316
317config ARCH_REALVIEW
318 bool "ARM Ltd. RealView family"
Russell Kingb1b3f492012-10-06 17:12:25 +0100319 select ARCH_WANT_OPTIONAL_GPIOLIB
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100320 select ARM_AMBA
Russell Kingb1b3f492012-10-06 17:12:25 +0100321 select ARM_TIMER_SP804
Linus Walleijf9a6aa42012-08-06 18:32:08 +0200322 select COMMON_CLK
323 select COMMON_CLK_VERSATILE
Catalin Marinasae30cea2008-02-04 17:26:55 +0100324 select GENERIC_CLOCKEVENTS
Russell Kingb1b3f492012-10-06 17:12:25 +0100325 select GPIO_PL061 if GPIOLIB
326 select ICST
327 select NEED_MACH_MEMORY_H
Russell Kingf4b8b312010-01-14 12:48:06 +0000328 select PLAT_VERSATILE
Russell King3cb5ee42011-01-18 20:13:20 +0000329 select PLAT_VERSATILE_CLCD
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100330 help
331 This enables support for ARM Ltd RealView boards.
332
333config ARCH_VERSATILE
334 bool "ARM Ltd. Versatile family"
Russell Kingb1b3f492012-10-06 17:12:25 +0100335 select ARCH_WANT_OPTIONAL_GPIOLIB
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100336 select ARM_AMBA
Russell Kingb1b3f492012-10-06 17:12:25 +0100337 select ARM_TIMER_SP804
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100338 select ARM_VIC
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100339 select CLKDEV_LOOKUP
Russell Kingb1b3f492012-10-06 17:12:25 +0100340 select GENERIC_CLOCKEVENTS
Kyungmin Parkaa3831c2011-07-18 16:34:54 +0900341 select HAVE_MACH_CLKDEV
Russell Kingc5a0adb2010-01-16 20:16:10 +0000342 select ICST
Russell Kingf4b8b312010-01-14 12:48:06 +0000343 select PLAT_VERSATILE
Russell King3414ba82011-01-18 20:12:10 +0000344 select PLAT_VERSATILE_CLCD
Russell Kingb1b3f492012-10-06 17:12:25 +0100345 select PLAT_VERSATILE_CLOCK
Linus Walleij2389d502012-10-31 22:04:31 +0100346 select VERSATILE_FPGA_IRQ
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100347 help
348 This enables support for ARM Ltd Versatile board.
349
Andrew Victor8fc5ffa2006-06-29 16:06:33 +0100350config ARCH_AT91
351 bool "Atmel AT91"
Ryan Mallonf373e8c2009-02-10 21:02:08 +0100352 select ARCH_REQUIRE_GPIOLIB
Jean-Christophe PLAGNIOL-VILLARDbd602992011-02-02 07:27:07 +0100353 select CLKDEV_LOOKUP
Russell Kingb1b3f492012-10-06 17:12:25 +0100354 select HAVE_CLK
Nicolas Ferree2615012011-11-22 22:26:09 +0100355 select IRQ_DOMAIN
Rob Herring01464222012-08-28 13:06:41 -0500356 select NEED_MACH_GPIO_H
Rob Herring1ac02d72012-04-04 17:48:04 -0500357 select NEED_MACH_IO_H if PCCARD
Jean-Christophe PLAGNIOL-VILLARD6732ae52012-07-12 23:35:02 +0800358 select PINCTRL
359 select PINCTRL_AT91 if USE_OF
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100360 help
Nicolas Ferre929e9942012-03-15 12:21:12 +0100361 This enables support for systems based on Atmel
362 AT91RM9200 and AT91SAM9* processors.
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100363
Russell King93e22562012-10-12 14:20:52 +0100364config ARCH_CLPS711X
365 bool "Cirrus Logic CLPS711x/EP721x/EP731x-based"
Alexander Shiyana3b8d4a2012-10-09 20:05:56 +0400366 select ARCH_REQUIRE_GPIOLIB
Alexander Shiyanea7d1bc2012-11-17 17:57:11 +0400367 select AUTO_ZRELADDR
Russell King93e22562012-10-12 14:20:52 +0100368 select CLKDEV_LOOKUP
369 select COMMON_CLK
370 select CPU_ARM720T
Alexander Shiyan4a8355c2012-10-10 19:45:27 +0400371 select GENERIC_CLOCKEVENTS
Alexander Shiyan99f04c82012-11-17 17:57:14 +0400372 select MULTI_IRQ_HANDLER
Russell King93e22562012-10-12 14:20:52 +0100373 select NEED_MACH_MEMORY_H
Alexander Shiyan0d8be812012-11-17 17:57:13 +0400374 select SPARSE_IRQ
Russell King93e22562012-10-12 14:20:52 +0100375 help
376 Support for Cirrus Logic 711x/721x/731x based boards.
377
Russell King788c9702009-04-26 14:21:59 +0100378config ARCH_GEMINI
379 bool "Cortina Systems Gemini"
Russell King788c9702009-04-26 14:21:59 +0100380 select ARCH_REQUIRE_GPIOLIB
John Stultz5cfc8ee2010-03-24 00:22:36 +0000381 select ARCH_USES_GETTIMEOFFSET
Arnd Bergmann662146b2013-01-04 13:38:03 +0000382 select NEED_MACH_GPIO_H
Russell Kingb1b3f492012-10-06 17:12:25 +0100383 select CPU_FA526
Russell King788c9702009-04-26 14:21:59 +0100384 help
385 Support for the Cortina Systems Gemini family SoCs
386
Linus Torvalds1da177e2005-04-16 15:20:36 -0700387config ARCH_EBSA110
388 bool "EBSA-110"
Russell Kingb1b3f492012-10-06 17:12:25 +0100389 select ARCH_USES_GETTIMEOFFSET
Russell Kingc7508152008-10-26 10:55:14 +0000390 select CPU_SA110
Russell Kingf7e68bb2005-05-05 14:49:01 +0100391 select ISA
Rob Herringc334bc12012-03-04 22:03:33 -0600392 select NEED_MACH_IO_H
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400393 select NEED_MACH_MEMORY_H
Russell Kingb1b3f492012-10-06 17:12:25 +0100394 select NO_IOPORT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700395 help
396 This is an evaluation board for the StrongARM processor available
Martin Michlmayrf6c89652006-02-08 21:09:07 +0000397 from Digital. It has limited hardware on-board, including an
Linus Torvalds1da177e2005-04-16 15:20:36 -0700398 Ethernet interface, two PCMCIA sockets, two serial ports and a
399 parallel port.
400
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000401config ARCH_EP93XX
402 bool "EP93xx-based"
Russell Kingb1b3f492012-10-06 17:12:25 +0100403 select ARCH_HAS_HOLES_MEMORYMODEL
404 select ARCH_REQUIRE_GPIOLIB
405 select ARCH_USES_GETTIMEOFFSET
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000406 select ARM_AMBA
407 select ARM_VIC
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100408 select CLKDEV_LOOKUP
Russell Kingb1b3f492012-10-06 17:12:25 +0100409 select CPU_ARM920T
Arnd Bergmann5725aea2011-10-31 23:11:46 +0100410 select NEED_MACH_MEMORY_H
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000411 help
412 This enables support for the Cirrus EP93xx series of CPUs.
413
Linus Torvalds1da177e2005-04-16 15:20:36 -0700414config ARCH_FOOTBRIDGE
415 bool "FootBridge"
Russell Kingc7508152008-10-26 10:55:14 +0000416 select CPU_SA110
Linus Torvalds1da177e2005-04-16 15:20:36 -0700417 select FOOTBRIDGE
Russell King4e8d7632011-01-28 21:00:39 +0000418 select GENERIC_CLOCKEVENTS
Arnd Bergmannd0ee9f42011-10-01 21:10:32 +0200419 select HAVE_IDE
Rob Herring8ef6e622012-03-01 20:48:12 -0600420 select NEED_MACH_IO_H if !MMU
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400421 select NEED_MACH_MEMORY_H
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000422 help
423 Support for systems based on the DC21285 companion chip
424 ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700425
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100426config ARCH_NETX
427 bool "Hilscher NetX based"
Russell Kingb1b3f492012-10-06 17:12:25 +0100428 select ARM_VIC
Russell King234b6ced2011-05-08 14:09:47 +0100429 select CLKSRC_MMIO
Russell Kingc7508152008-10-26 10:55:14 +0000430 select CPU_ARM926T
Uwe Kleine-König2fcfe6b2008-12-09 21:57:24 +0100431 select GENERIC_CLOCKEVENTS
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000432 help
Deepak Saxena4af6fee2006-06-20 21:30:44 +0100433 This enables support for systems based on the Hilscher NetX Soc
434
Russell King3b938be2007-05-12 11:25:44 +0100435config ARCH_IOP13XX
436 bool "IOP13xx-based"
437 depends on MMU
Russell King3b938be2007-05-12 11:25:44 +0100438 select ARCH_SUPPORTS_MSI
Russell Kingb1b3f492012-10-06 17:12:25 +0100439 select CPU_XSC3
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400440 select NEED_MACH_MEMORY_H
Rob Herring13a50452012-02-07 09:28:22 -0600441 select NEED_RET_TO_USER
Russell Kingb1b3f492012-10-06 17:12:25 +0100442 select PCI
443 select PLAT_IOP
444 select VMSPLIT_1G
Russell King3b938be2007-05-12 11:25:44 +0100445 help
446 Support for Intel's IOP13XX (XScale) family of processors.
447
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100448config ARCH_IOP32X
449 bool "IOP32x-based"
Russell Kinga4f7e762006-06-28 12:52:41 +0100450 depends on MMU
Russell Kingb1b3f492012-10-06 17:12:25 +0100451 select ARCH_REQUIRE_GPIOLIB
Russell Kingc7508152008-10-26 10:55:14 +0000452 select CPU_XSCALE
Rob Herring01464222012-08-28 13:06:41 -0500453 select NEED_MACH_GPIO_H
Rob Herring13a50452012-02-07 09:28:22 -0600454 select NEED_RET_TO_USER
Russell Kingf7e68bb2005-05-05 14:49:01 +0100455 select PCI
Russell Kingb1b3f492012-10-06 17:12:25 +0100456 select PLAT_IOP
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000457 help
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100458 Support for Intel's 80219 and IOP32X (XScale) family of
459 processors.
460
461config ARCH_IOP33X
462 bool "IOP33x-based"
463 depends on MMU
Russell Kingb1b3f492012-10-06 17:12:25 +0100464 select ARCH_REQUIRE_GPIOLIB
Russell Kingc7508152008-10-26 10:55:14 +0000465 select CPU_XSCALE
Rob Herring01464222012-08-28 13:06:41 -0500466 select NEED_MACH_GPIO_H
Rob Herring13a50452012-02-07 09:28:22 -0600467 select NEED_RET_TO_USER
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100468 select PCI
Russell Kingb1b3f492012-10-06 17:12:25 +0100469 select PLAT_IOP
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100470 help
471 Support for Intel's IOP33X (XScale) family of processors.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700472
Russell King3b938be2007-05-12 11:25:44 +0100473config ARCH_IXP4XX
474 bool "IXP4xx-based"
Russell Kinga4f7e762006-06-28 12:52:41 +0100475 depends on MMU
Rob Herring58af4a22012-03-20 14:33:01 -0500476 select ARCH_HAS_DMA_SET_COHERENT_MASK
Russell Kingb1b3f492012-10-06 17:12:25 +0100477 select ARCH_REQUIRE_GPIOLIB
Russell King234b6ced2011-05-08 14:09:47 +0100478 select CLKSRC_MMIO
Russell Kingc7508152008-10-26 10:55:14 +0000479 select CPU_XSCALE
Russell Kingb1b3f492012-10-06 17:12:25 +0100480 select DMABOUNCE if PCI
Russell King3b938be2007-05-12 11:25:44 +0100481 select GENERIC_CLOCKEVENTS
Hans Ulli Kroll0b05da72010-12-02 12:32:15 +0100482 select MIGHT_HAVE_PCI
Rob Herringc334bc12012-03-04 22:03:33 -0600483 select NEED_MACH_IO_H
Florian Fainelli9296d942013-04-09 14:29:26 +0200484 select USB_EHCI_BIG_ENDIAN_MMIO
485 select USB_EHCI_BIG_ENDIAN_DESC
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100486 help
Russell King3b938be2007-05-12 11:25:44 +0100487 Support for Intel's IXP4XX (XScale) family of processors.
Lennert Buytenhekc4713072006-03-28 21:18:54 +0100488
Saeed Bisharaedabd382009-08-06 15:12:43 +0300489config ARCH_DOVE
490 bool "Marvell Dove"
Saeed Bisharaedabd382009-08-06 15:12:43 +0300491 select ARCH_REQUIRE_GPIOLIB
Sebastian Hesselbarth756b2532013-05-02 19:56:12 +0100492 select CPU_PJ4
Saeed Bisharaedabd382009-08-06 15:12:43 +0300493 select GENERIC_CLOCKEVENTS
Russell King0f81bd42012-09-09 20:34:13 +0100494 select MIGHT_HAVE_PCI
Sebastian Hesselbarth9139acd2012-11-19 10:39:55 +0100495 select PINCTRL
496 select PINCTRL_DOVE
Thomas Petazzoniabcda1d2012-09-11 14:27:27 +0200497 select PLAT_ORION_LEGACY
Russell King0f81bd42012-09-09 20:34:13 +0100498 select USB_ARCH_HAS_EHCI
Thomas Petazzoni7d554902013-03-21 17:59:17 +0100499 select MVEBU_MBUS
Saeed Bisharaedabd382009-08-06 15:12:43 +0300500 help
501 Support for the Marvell Dove SoC 88AP510
502
Saeed Bishara651c74c2008-06-22 22:45:06 +0200503config ARCH_KIRKWOOD
504 bool "Marvell Kirkwood"
Erik Benadaa8865652009-05-28 17:08:55 -0700505 select ARCH_REQUIRE_GPIOLIB
Russell Kingb1b3f492012-10-06 17:12:25 +0100506 select CPU_FEROCEON
Saeed Bishara651c74c2008-06-22 22:45:06 +0200507 select GENERIC_CLOCKEVENTS
Russell Kingb1b3f492012-10-06 17:12:25 +0100508 select PCI
Jason Gunthorpe1dc831b2012-11-21 00:19:06 -0700509 select PCI_QUIRKS
Andrew Lunnf9e75922012-11-17 17:00:44 +0100510 select PINCTRL
511 select PINCTRL_KIRKWOOD
Thomas Petazzoniabcda1d2012-09-11 14:27:27 +0200512 select PLAT_ORION_LEGACY
Thomas Petazzoni5cc06732013-03-21 17:59:16 +0100513 select MVEBU_MBUS
Saeed Bishara651c74c2008-06-22 22:45:06 +0200514 help
515 Support for the following Marvell Kirkwood series SoCs:
516 88F6180, 88F6192 and 88F6281.
517
Russell King788c9702009-04-26 14:21:59 +0100518config ARCH_MV78XX0
519 bool "Marvell MV78xx0"
Erik Benadaa8865652009-05-28 17:08:55 -0700520 select ARCH_REQUIRE_GPIOLIB
Russell Kingb1b3f492012-10-06 17:12:25 +0100521 select CPU_FEROCEON
Russell King788c9702009-04-26 14:21:59 +0100522 select GENERIC_CLOCKEVENTS
Russell Kingb1b3f492012-10-06 17:12:25 +0100523 select PCI
Thomas Petazzoniabcda1d2012-09-11 14:27:27 +0200524 select PLAT_ORION_LEGACY
Thomas Petazzoni95b80e02013-03-21 17:59:19 +0100525 select MVEBU_MBUS
Russell King788c9702009-04-26 14:21:59 +0100526 help
527 Support for the following Marvell MV78xx0 series SoCs:
528 MV781x0, MV782x0.
529
530config ARCH_ORION5X
531 bool "Marvell Orion"
532 depends on MMU
Erik Benadaa8865652009-05-28 17:08:55 -0700533 select ARCH_REQUIRE_GPIOLIB
Russell Kingb1b3f492012-10-06 17:12:25 +0100534 select CPU_FEROCEON
Russell King788c9702009-04-26 14:21:59 +0100535 select GENERIC_CLOCKEVENTS
Russell Kingb1b3f492012-10-06 17:12:25 +0100536 select PCI
Thomas Petazzoniabcda1d2012-09-11 14:27:27 +0200537 select PLAT_ORION_LEGACY
Thomas Petazzoni5d1190e2013-03-21 17:59:18 +0100538 select MVEBU_MBUS
Russell King788c9702009-04-26 14:21:59 +0100539 help
540 Support for the following Marvell Orion 5x series SoCs:
541 Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182),
542 Orion-2 (5281), Orion-1-90 (6183).
543
544config ARCH_MMP
Haojian Zhuang2f7e8fa2009-12-04 09:41:28 -0500545 bool "Marvell PXA168/910/MMP2"
Russell King788c9702009-04-26 14:21:59 +0100546 depends on MMU
Russell King788c9702009-04-26 14:21:59 +0100547 select ARCH_REQUIRE_GPIOLIB
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100548 select CLKDEV_LOOKUP
Russell Kingb1b3f492012-10-06 17:12:25 +0100549 select GENERIC_ALLOCATOR
Russell King788c9702009-04-26 14:21:59 +0100550 select GENERIC_CLOCKEVENTS
Haojian Zhuang157d2642011-10-17 20:37:52 +0800551 select GPIO_PXA
Haojian Zhuangc24b3112012-04-12 19:02:02 +0800552 select IRQ_DOMAIN
Russell Kingb1b3f492012-10-06 17:12:25 +0100553 select NEED_MACH_GPIO_H
Axel Lin7c8f86a2012-11-28 14:42:35 +0800554 select PINCTRL
Russell King788c9702009-04-26 14:21:59 +0100555 select PLAT_PXA
Haojian Zhuang0bd86962010-09-08 09:42:42 -0400556 select SPARSE_IRQ
Russell King788c9702009-04-26 14:21:59 +0100557 help
Haojian Zhuang2f7e8fa2009-12-04 09:41:28 -0500558 Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line.
Russell King788c9702009-04-26 14:21:59 +0100559
Andrew Victorc53c9cf2007-05-11 21:01:28 +0100560config ARCH_KS8695
561 bool "Micrel/Kendin KS8695"
Hartley Sweeten98830bc2010-05-17 17:18:10 +0100562 select ARCH_REQUIRE_GPIOLIB
Linus Walleijc7e783d2012-08-29 20:27:22 +0200563 select CLKSRC_MMIO
Russell Kingb1b3f492012-10-06 17:12:25 +0100564 select CPU_ARM922T
Linus Walleijc7e783d2012-08-29 20:27:22 +0200565 select GENERIC_CLOCKEVENTS
Russell Kingb1b3f492012-10-06 17:12:25 +0100566 select NEED_MACH_MEMORY_H
Andrew Victorc53c9cf2007-05-11 21:01:28 +0100567 help
568 Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based
569 System-on-Chip devices.
570
Russell King788c9702009-04-26 14:21:59 +0100571config ARCH_W90X900
572 bool "Nuvoton W90X900 CPU"
wanzongshunc52d3d62009-06-10 15:49:32 +0100573 select ARCH_REQUIRE_GPIOLIB
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100574 select CLKDEV_LOOKUP
Russell King6fa5d5f2011-05-08 15:34:39 +0100575 select CLKSRC_MMIO
Russell Kingb1b3f492012-10-06 17:12:25 +0100576 select CPU_ARM926T
wanzongshun58b53692009-08-14 15:36:44 +0100577 select GENERIC_CLOCKEVENTS
Lennert Buytenhek777f9be2008-06-22 22:45:02 +0200578 help
wanzongshuna8bc4ea2009-08-14 15:38:29 +0100579 Support for Nuvoton (Winbond logic dept.) ARM9 processor,
580 At present, the w90x900 has been renamed nuc900, regarding
581 the ARM series product line, you can login the following
582 link address to know more.
583
584 <http://www.nuvoton.com/hq/enu/ProductAndSales/ProductLines/
585 ConsumerElectronicsIC/ARMMicrocontroller/ARMMicrocontroller>
Tzachi Perelstein585cf172007-10-23 15:14:41 -0400586
Russell King93e22562012-10-12 14:20:52 +0100587config ARCH_LPC32XX
588 bool "NXP LPC32XX"
589 select ARCH_REQUIRE_GPIOLIB
590 select ARM_AMBA
Russell King40737232011-01-06 22:32:52 +0000591 select CLKDEV_LOOKUP
Russell King234b6ced2011-05-08 14:09:47 +0100592 select CLKSRC_MMIO
Russell King93e22562012-10-12 14:20:52 +0100593 select CPU_ARM926T
594 select GENERIC_CLOCKEVENTS
595 select HAVE_IDE
596 select HAVE_PWM
597 select USB_ARCH_HAS_OHCI
598 select USE_OF
599 help
600 Support for the NXP LPC32XX family of processors
601
Linus Torvalds1da177e2005-04-16 15:20:36 -0700602config ARCH_PXA
eric miao2c8086a2007-09-11 19:13:17 -0700603 bool "PXA2xx/PXA3xx-based"
Russell Kinga4f7e762006-06-28 12:52:41 +0100604 depends on MMU
Ben Dooks89c52ed2009-07-30 23:23:24 +0100605 select ARCH_HAS_CPUFREQ
Russell Kingb1b3f492012-10-06 17:12:25 +0100606 select ARCH_MTD_XIP
607 select ARCH_REQUIRE_GPIOLIB
608 select ARM_CPU_SUSPEND if PM
609 select AUTO_ZRELADDR
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100610 select CLKDEV_LOOKUP
Russell King234b6ced2011-05-08 14:09:47 +0100611 select CLKSRC_MMIO
Eric Miao981d0f32007-07-24 01:22:43 +0100612 select GENERIC_CLOCKEVENTS
Haojian Zhuang157d2642011-10-17 20:37:52 +0800613 select GPIO_PXA
Russell Kingb1b3f492012-10-06 17:12:25 +0100614 select HAVE_IDE
615 select MULTI_IRQ_HANDLER
616 select NEED_MACH_GPIO_H
Eric Miaobd5ce432009-01-20 12:06:01 +0800617 select PLAT_PXA
Haojian Zhuang6ac6b812010-08-20 15:23:59 +0800618 select SPARSE_IRQ
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000619 help
eric miao2c8086a2007-09-11 19:13:17 -0700620 Support for Intel/Marvell's PXA2xx/PXA3xx processor line.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700621
Russell King788c9702009-04-26 14:21:59 +0100622config ARCH_MSM
623 bool "Qualcomm MSM"
Pavel Machek923a0812010-06-02 11:11:12 -0700624 select ARCH_REQUIRE_GPIOLIB
Stephen Boydbd323442011-02-23 09:37:42 -0800625 select CLKDEV_LOOKUP
Russell Kingb1b3f492012-10-06 17:12:25 +0100626 select GENERIC_CLOCKEVENTS
627 select HAVE_CLK
Eric Miao49cbe782009-01-20 14:15:18 +0800628 help
Daniel Walker4b53eb42010-01-01 15:11:43 -0800629 Support for Qualcomm MSM/QSD based systems. This runs on the
630 apps processor of the MSM/QSD and depends on a shared memory
631 interface to the modem processor which runs the baseband
632 stack and controls some vital subsystems
633 (clock and power control, etc).
Eric Miao49cbe782009-01-20 14:15:18 +0800634
Magnus Dammc793c1b2010-02-05 11:14:49 +0000635config ARCH_SHMOBILE
Paul Mundt6d72ad32010-11-16 16:10:20 +0900636 bool "Renesas SH-Mobile / R-Mobile"
Paul Mundt5e93c6b2011-01-07 10:29:26 +0900637 select CLKDEV_LOOKUP
Russell Kingb1b3f492012-10-06 17:12:25 +0100638 select GENERIC_CLOCKEVENTS
Stephen Boyd4c3ffff2013-02-27 15:28:14 -0800639 select HAVE_ARM_SCU if SMP
640 select HAVE_ARM_TWD if LOCAL_TIMERS
Russell Kingb1b3f492012-10-06 17:12:25 +0100641 select HAVE_CLK
Kyungmin Parkaa3831c2011-07-18 16:34:54 +0900642 select HAVE_MACH_CLKDEV
Dave Martin3b556582011-12-07 15:38:04 +0000643 select HAVE_SMP
Dave Martince5ea9f2011-11-29 15:56:19 +0000644 select MIGHT_HAVE_CACHE_L2X0
Magnus Damm60f14352010-12-28 08:26:52 +0000645 select MULTI_IRQ_HANDLER
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400646 select NEED_MACH_MEMORY_H
Russell Kingb1b3f492012-10-06 17:12:25 +0100647 select NO_IOPORT
Magnus Damm6722f6c2013-03-18 22:58:18 +0900648 select PINCTRL if ARCH_WANT_OPTIONAL_GPIOLIB
Russell Kingb1b3f492012-10-06 17:12:25 +0100649 select PM_GENERIC_DOMAINS if PM
650 select SPARSE_IRQ
Magnus Dammc793c1b2010-02-05 11:14:49 +0000651 help
Paul Mundt6d72ad32010-11-16 16:10:20 +0900652 Support for Renesas's SH-Mobile and R-Mobile ARM platforms.
Magnus Dammc793c1b2010-02-05 11:14:49 +0000653
Linus Torvalds1da177e2005-04-16 15:20:36 -0700654config ARCH_RPC
655 bool "RiscPC"
656 select ARCH_ACORN
viro@ZenIV.linux.org.uka08b6b72005-09-06 01:48:42 +0100657 select ARCH_MAY_HAVE_PC_FDC
Russell King07f841b2008-10-01 17:11:06 +0100658 select ARCH_SPARSEMEM_ENABLE
John Stultz5cfc8ee2010-03-24 00:22:36 +0000659 select ARCH_USES_GETTIMEOFFSET
Russell Kingb1b3f492012-10-06 17:12:25 +0100660 select FIQ
Arnd Bergmannd0ee9f42011-10-01 21:10:32 +0200661 select HAVE_IDE
Russell Kingb1b3f492012-10-06 17:12:25 +0100662 select HAVE_PATA_PLATFORM
663 select ISA_DMA_API
Rob Herringc334bc12012-03-04 22:03:33 -0600664 select NEED_MACH_IO_H
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400665 select NEED_MACH_MEMORY_H
Russell Kingb1b3f492012-10-06 17:12:25 +0100666 select NO_IOPORT
Arnd Bergmannb4811ba2013-03-13 17:36:37 +0100667 select VIRT_TO_BUS
Linus Torvalds1da177e2005-04-16 15:20:36 -0700668 help
669 On the Acorn Risc-PC, Linux can support the internal IDE disk and
670 CD-ROM interface, serial and parallel port, and the floppy drive.
671
672config ARCH_SA1100
673 bool "SA1100-based"
Ben Dooks89c52ed2009-07-30 23:23:24 +0100674 select ARCH_HAS_CPUFREQ
Russell Kingb1b3f492012-10-06 17:12:25 +0100675 select ARCH_MTD_XIP
Michael Buesch7444a722008-07-25 01:46:11 -0700676 select ARCH_REQUIRE_GPIOLIB
Russell Kingb1b3f492012-10-06 17:12:25 +0100677 select ARCH_SPARSEMEM_ENABLE
678 select CLKDEV_LOOKUP
679 select CLKSRC_MMIO
680 select CPU_FREQ
681 select CPU_SA1100
682 select GENERIC_CLOCKEVENTS
Arnd Bergmannd0ee9f42011-10-01 21:10:32 +0200683 select HAVE_IDE
Russell Kingb1b3f492012-10-06 17:12:25 +0100684 select ISA
Rob Herring01464222012-08-28 13:06:41 -0500685 select NEED_MACH_GPIO_H
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400686 select NEED_MACH_MEMORY_H
Russell King375dec92012-02-23 14:29:33 +0100687 select SPARSE_IRQ
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000688 help
689 Support for StrongARM 11x0 based boards.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700690
Kukjin Kimb130d5c2012-02-03 14:29:23 +0900691config ARCH_S3C24XX
692 bool "Samsung S3C24XX SoCs"
Ben Dooks9d56c022009-07-30 23:23:25 +0100693 select ARCH_HAS_CPUFREQ
Kukjin Kim53650432013-04-04 09:04:30 +0900694 select ARCH_REQUIRE_GPIOLIB
Russell Kingb1b3f492012-10-06 17:12:25 +0100695 select CLKDEV_LOOKUP
Romain Naour7f78b6e2013-01-09 18:47:04 -0800696 select CLKSRC_MMIO
697 select GENERIC_CLOCKEVENTS
Tomasz Figa880cf072013-06-19 01:22:20 +0900698 select GPIO_SAMSUNG
Russell Kingb1b3f492012-10-06 17:12:25 +0100699 select HAVE_CLK
Kukjin Kim20676c12010-11-13 16:08:32 +0900700 select HAVE_S3C2410_I2C if I2C
Kukjin Kimb130d5c2012-02-03 14:29:23 +0900701 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Russell Kingb1b3f492012-10-06 17:12:25 +0100702 select HAVE_S3C_RTC if RTC_CLASS
Heiko Stuebner17453dd2013-03-07 12:38:25 +0900703 select MULTI_IRQ_HANDLER
Rob Herring01464222012-08-28 13:06:41 -0500704 select NEED_MACH_GPIO_H
Rob Herringc334bc12012-03-04 22:03:33 -0600705 select NEED_MACH_IO_H
Tomasz Figacd8dc7a2013-06-15 09:01:49 +0900706 select SAMSUNG_ATAGS
Linus Torvalds1da177e2005-04-16 15:20:36 -0700707 help
Kukjin Kimb130d5c2012-02-03 14:29:23 +0900708 Samsung S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443
709 and S3C2450 SoCs based systems, such as the Simtec Electronics BAST
710 (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or the
711 Samsung SMDK2410 development board (and derivatives).
Ben Dooks63b1f512010-04-30 16:32:26 +0900712
Ben Dooksa08ab632008-10-21 14:06:39 +0100713config ARCH_S3C64XX
714 bool "Samsung S3C64XX"
Ben Dooks89c52ed2009-07-30 23:23:24 +0100715 select ARCH_HAS_CPUFREQ
Ben Dooks89f0ce72010-01-26 15:49:15 +0900716 select ARCH_REQUIRE_GPIOLIB
Russell Kingb1b3f492012-10-06 17:12:25 +0100717 select ARM_VIC
718 select CLKDEV_LOOKUP
Romain Naour04a49b72013-01-09 18:47:04 -0800719 select CLKSRC_MMIO
Russell Kingb1b3f492012-10-06 17:12:25 +0100720 select CPU_V6
Romain Naour04a49b72013-01-09 18:47:04 -0800721 select GENERIC_CLOCKEVENTS
Tomasz Figa880cf072013-06-19 01:22:20 +0900722 select GPIO_SAMSUNG
Russell Kingb1b3f492012-10-06 17:12:25 +0100723 select HAVE_CLK
Kukjin Kim20676c12010-11-13 16:08:32 +0900724 select HAVE_S3C2410_I2C if I2C
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900725 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Russell Kingb1b3f492012-10-06 17:12:25 +0100726 select HAVE_TCM
Rob Herring01464222012-08-28 13:06:41 -0500727 select NEED_MACH_GPIO_H
Russell Kingb1b3f492012-10-06 17:12:25 +0100728 select NO_IOPORT
729 select PLAT_SAMSUNG
730 select S3C_DEV_NAND
731 select S3C_GPIO_TRACK
Tomasz Figacd8dc7a2013-06-15 09:01:49 +0900732 select SAMSUNG_ATAGS
Russell Kingb1b3f492012-10-06 17:12:25 +0100733 select SAMSUNG_CLKSRC
734 select SAMSUNG_GPIOLIB_4BIT
735 select SAMSUNG_IRQ_VIC_TIMER
736 select USB_ARCH_HAS_OHCI
Ben Dooksa08ab632008-10-21 14:06:39 +0100737 help
738 Samsung S3C64XX series based systems
739
Kukjin Kim49b7a492010-09-07 15:47:18 +0900740config ARCH_S5P64X0
741 bool "Samsung S5P6440 S5P6450"
Thomas Abrahamd8b22d22011-06-14 19:12:27 +0900742 select CLKDEV_LOOKUP
Chanwoo Choi0665ccc2011-07-18 15:07:14 +0900743 select CLKSRC_MMIO
Russell Kingb1b3f492012-10-06 17:12:25 +0100744 select CPU_V6
Sangbeom Kim9e65bbf2011-03-12 08:05:19 +0900745 select GENERIC_CLOCKEVENTS
Tomasz Figa880cf072013-06-19 01:22:20 +0900746 select GPIO_SAMSUNG
Russell Kingb1b3f492012-10-06 17:12:25 +0100747 select HAVE_CLK
Kukjin Kim20676c12010-11-13 16:08:32 +0900748 select HAVE_S3C2410_I2C if I2C
Russell Kingb1b3f492012-10-06 17:12:25 +0100749 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Kukjin Kim754961a2010-11-13 16:11:46 +0900750 select HAVE_S3C_RTC if RTC_CLASS
Rob Herring01464222012-08-28 13:06:41 -0500751 select NEED_MACH_GPIO_H
Tomasz Figacd8dc7a2013-06-15 09:01:49 +0900752 select SAMSUNG_ATAGS
Kukjin Kimc4ffccd2010-01-14 08:19:36 +0900753 help
Kukjin Kim49b7a492010-09-07 15:47:18 +0900754 Samsung S5P64X0 CPU based systems, such as the Samsung SMDK6440,
755 SMDK6450.
Kukjin Kimc4ffccd2010-01-14 08:19:36 +0900756
Marek Szyprowskiacc84702010-05-20 07:51:08 +0200757config ARCH_S5PC100
758 bool "Samsung S5PC100"
Kukjin Kim53650432013-04-04 09:04:30 +0900759 select ARCH_REQUIRE_GPIOLIB
Thomas Abraham29e8eb02011-06-14 19:12:27 +0900760 select CLKDEV_LOOKUP
Romain Naour6a5a2e32013-01-09 18:47:04 -0800761 select CLKSRC_MMIO
Byungho Min5a7652f2009-06-23 21:39:42 +0900762 select CPU_V7
Romain Naour6a5a2e32013-01-09 18:47:04 -0800763 select GENERIC_CLOCKEVENTS
Tomasz Figa880cf072013-06-19 01:22:20 +0900764 select GPIO_SAMSUNG
Russell Kingb1b3f492012-10-06 17:12:25 +0100765 select HAVE_CLK
Kukjin Kim20676c12010-11-13 16:08:32 +0900766 select HAVE_S3C2410_I2C if I2C
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900767 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Russell Kingb1b3f492012-10-06 17:12:25 +0100768 select HAVE_S3C_RTC if RTC_CLASS
Rob Herring01464222012-08-28 13:06:41 -0500769 select NEED_MACH_GPIO_H
Tomasz Figacd8dc7a2013-06-15 09:01:49 +0900770 select SAMSUNG_ATAGS
Byungho Min5a7652f2009-06-23 21:39:42 +0900771 help
Marek Szyprowskiacc84702010-05-20 07:51:08 +0200772 Samsung S5PC100 series based systems
Byungho Min5a7652f2009-06-23 21:39:42 +0900773
Kukjin Kim170f4e42010-02-24 16:40:44 +0900774config ARCH_S5PV210
775 bool "Samsung S5PV210/S5PC110"
Russell Kingb1b3f492012-10-06 17:12:25 +0100776 select ARCH_HAS_CPUFREQ
Kamil Debski0f75a962011-07-21 16:42:30 +0900777 select ARCH_HAS_HOLES_MEMORYMODEL
Russell Kingb1b3f492012-10-06 17:12:25 +0100778 select ARCH_SPARSEMEM_ENABLE
Thomas Abrahamb2a9dd42011-06-14 19:12:27 +0900779 select CLKDEV_LOOKUP
Chanwoo Choi0665ccc2011-07-18 15:07:14 +0900780 select CLKSRC_MMIO
Russell Kingb1b3f492012-10-06 17:12:25 +0100781 select CPU_V7
Sangbeom Kim9e65bbf2011-03-12 08:05:19 +0900782 select GENERIC_CLOCKEVENTS
Tomasz Figa880cf072013-06-19 01:22:20 +0900783 select GPIO_SAMSUNG
Russell Kingb1b3f492012-10-06 17:12:25 +0100784 select HAVE_CLK
Kukjin Kim20676c12010-11-13 16:08:32 +0900785 select HAVE_S3C2410_I2C if I2C
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900786 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Russell Kingb1b3f492012-10-06 17:12:25 +0100787 select HAVE_S3C_RTC if RTC_CLASS
Rob Herring01464222012-08-28 13:06:41 -0500788 select NEED_MACH_GPIO_H
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400789 select NEED_MACH_MEMORY_H
Tomasz Figacd8dc7a2013-06-15 09:01:49 +0900790 select SAMSUNG_ATAGS
Kukjin Kim170f4e42010-02-24 16:40:44 +0900791 help
792 Samsung S5PV210/S5PC110 series based systems
793
Kukjin Kim83014572011-11-06 13:54:56 +0900794config ARCH_EXYNOS
Russell King93e22562012-10-12 14:20:52 +0100795 bool "Samsung EXYNOS"
Russell Kingb1b3f492012-10-06 17:12:25 +0100796 select ARCH_HAS_CPUFREQ
Kamil Debski0f75a962011-07-21 16:42:30 +0900797 select ARCH_HAS_HOLES_MEMORYMODEL
Tomasz Figae245f962013-06-19 01:26:42 +0900798 select ARCH_REQUIRE_GPIOLIB
Russell Kingb1b3f492012-10-06 17:12:25 +0100799 select ARCH_SPARSEMEM_ENABLE
Tomasz Figae245f962013-06-19 01:26:42 +0900800 select ARM_GIC
Russell Kingb1b3f492012-10-06 17:12:25 +0100801 select CLKDEV_LOOKUP
Olof Johansson340fcb52013-04-26 11:47:45 -0700802 select COMMON_CLK
Russell Kingb1b3f492012-10-06 17:12:25 +0100803 select CPU_V7
804 select GENERIC_CLOCKEVENTS
Tomasz Figa880cf072013-06-19 01:22:20 +0900805 select GPIO_SAMSUNG
Changhwan Youncc0e72b2010-07-16 12:15:38 +0900806 select HAVE_CLK
Kukjin Kim20676c12010-11-13 16:08:32 +0900807 select HAVE_S3C2410_I2C if I2C
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900808 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Russell Kingb1b3f492012-10-06 17:12:25 +0100809 select HAVE_S3C_RTC if RTC_CLASS
Rob Herring01464222012-08-28 13:06:41 -0500810 select NEED_MACH_GPIO_H
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400811 select NEED_MACH_MEMORY_H
Tomasz Figae245f962013-06-19 01:26:42 +0900812 select S5P_GPIO_DRVSTR
Tomasz Figacd8dc7a2013-06-15 09:01:49 +0900813 select SAMSUNG_ATAGS
Tomasz Figaf8b1ac02013-06-15 09:01:11 +0900814 select USE_OF
Changhwan Youncc0e72b2010-07-16 12:15:38 +0900815 help
Kukjin Kim83014572011-11-06 13:54:56 +0900816 Support for SAMSUNG's EXYNOS SoCs (EXYNOS4/5)
Changhwan Youncc0e72b2010-07-16 12:15:38 +0900817
Linus Torvalds1da177e2005-04-16 15:20:36 -0700818config ARCH_SHARK
819 bool "Shark"
Russell Kingb1b3f492012-10-06 17:12:25 +0100820 select ARCH_USES_GETTIMEOFFSET
Russell Kingc7508152008-10-26 10:55:14 +0000821 select CPU_SA110
Russell Kingf7e68bb2005-05-05 14:49:01 +0100822 select ISA
823 select ISA_DMA
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400824 select NEED_MACH_MEMORY_H
Russell Kingb1b3f492012-10-06 17:12:25 +0100825 select PCI
Arnd Bergmannb4811ba2013-03-13 17:36:37 +0100826 select VIRT_TO_BUS
Russell Kingb1b3f492012-10-06 17:12:25 +0100827 select ZONE_DMA
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000828 help
829 Support for the StrongARM based Digital DNARD machine, also known
830 as "Shark" (<http://www.shark-linux.de/shark.html>).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700831
Linus Walleijd98aac72009-04-27 10:21:46 +0100832config ARCH_U300
833 bool "ST-Ericsson U300 Series"
834 depends on MMU
Russell Kingb1b3f492012-10-06 17:12:25 +0100835 select ARCH_REQUIRE_GPIOLIB
Linus Walleijd98aac72009-04-27 10:21:46 +0100836 select ARM_AMBA
Linus Walleij5485c1e2011-08-09 21:18:20 +0200837 select ARM_PATCH_PHYS_VIRT
Linus Walleijd98aac72009-04-27 10:21:46 +0100838 select ARM_VIC
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100839 select CLKDEV_LOOKUP
Russell Kingb1b3f492012-10-06 17:12:25 +0100840 select CLKSRC_MMIO
Linus Walleij50667d62012-06-19 23:44:25 +0200841 select COMMON_CLK
Russell Kingb1b3f492012-10-06 17:12:25 +0100842 select CPU_ARM926T
843 select GENERIC_CLOCKEVENTS
Russell Kingb1b3f492012-10-06 17:12:25 +0100844 select HAVE_TCM
Linus Walleija4fe2922012-08-13 13:49:45 +0200845 select SPARSE_IRQ
Linus Walleijd98aac72009-04-27 10:21:46 +0100846 help
847 Support for ST-Ericsson U300 series mobile platforms.
848
Kevin Hilman7c6337e2007-04-30 19:37:19 +0100849config ARCH_DAVINCI
850 bool "TI DaVinci"
Russell Kingb1b3f492012-10-06 17:12:25 +0100851 select ARCH_HAS_HOLES_MEMORYMODEL
David Brownelldce11152008-09-07 23:41:04 -0700852 select ARCH_REQUIRE_GPIOLIB
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100853 select CLKDEV_LOOKUP
David Brownell20e99692009-05-07 09:31:42 -0700854 select GENERIC_ALLOCATOR
Russell Kingb1b3f492012-10-06 17:12:25 +0100855 select GENERIC_CLOCKEVENTS
Russell Kingdc7ad3b2011-05-22 10:01:21 +0100856 select GENERIC_IRQ_CHIP
Russell Kingb1b3f492012-10-06 17:12:25 +0100857 select HAVE_IDE
Rob Herring01464222012-08-28 13:06:41 -0500858 select NEED_MACH_GPIO_H
Sekhar Nori689e3312012-08-28 15:27:52 +0530859 select USE_OF
Russell Kingb1b3f492012-10-06 17:12:25 +0100860 select ZONE_DMA
Kevin Hilman7c6337e2007-04-30 19:37:19 +0100861 help
862 Support for TI's DaVinci platform.
863
Tony Lindgrena0694862013-01-11 11:24:20 -0800864config ARCH_OMAP1
865 bool "TI OMAP1"
Arnd Bergmann00a36692012-06-07 18:50:51 -0600866 depends on MMU
Ben Dooks89c52ed2009-07-30 23:23:24 +0100867 select ARCH_HAS_CPUFREQ
Russell Kingb1b3f492012-10-06 17:12:25 +0100868 select ARCH_HAS_HOLES_MEMORYMODEL
Tony Lindgrena0694862013-01-11 11:24:20 -0800869 select ARCH_OMAP
Alexey Charkov21f47fb2010-12-23 13:11:21 +0100870 select ARCH_REQUIRE_GPIOLIB
Tony Priske9a91de2012-08-03 21:00:06 +1200871 select CLKDEV_LOOKUP
viresh kumarcee37e52010-04-01 12:31:05 +0100872 select CLKSRC_MMIO
Russell Kingb1b3f492012-10-06 17:12:25 +0100873 select GENERIC_CLOCKEVENTS
Tony Lindgrena0694862013-01-11 11:24:20 -0800874 select GENERIC_IRQ_CHIP
Russell Kingb1b3f492012-10-06 17:12:25 +0100875 select HAVE_CLK
Tony Lindgrena0694862013-01-11 11:24:20 -0800876 select HAVE_IDE
877 select IRQ_DOMAIN
878 select NEED_MACH_IO_H if PCCARD
879 select NEED_MACH_MEMORY_H
Alexey Charkov21f47fb2010-12-23 13:11:21 +0100880 help
Tony Lindgrena0694862013-01-11 11:24:20 -0800881 Support for older TI OMAP1 (omap7xx, omap15xx or omap16xx)
Binghua Duan02c981c2011-07-08 17:40:12 +0800882
Linus Torvalds1da177e2005-04-16 15:20:36 -0700883endchoice
884
Rob Herring387798b2012-09-06 13:41:12 -0500885menu "Multiple platform selection"
886 depends on ARCH_MULTIPLATFORM
887
888comment "CPU Core family selection"
889
890config ARCH_MULTI_V4
891 bool "ARMv4 based platforms (FA526, StrongARM)"
Rob Herring387798b2012-09-06 13:41:12 -0500892 depends on !ARCH_MULTI_V6_V7
Russell Kingb1b3f492012-10-06 17:12:25 +0100893 select ARCH_MULTI_V4_V5
Rob Herring387798b2012-09-06 13:41:12 -0500894
895config ARCH_MULTI_V4T
896 bool "ARMv4T based platforms (ARM720T, ARM920T, ...)"
Rob Herring387798b2012-09-06 13:41:12 -0500897 depends on !ARCH_MULTI_V6_V7
Russell Kingb1b3f492012-10-06 17:12:25 +0100898 select ARCH_MULTI_V4_V5
Rob Herring387798b2012-09-06 13:41:12 -0500899
900config ARCH_MULTI_V5
901 bool "ARMv5 based platforms (ARM926T, XSCALE, PJ1, ...)"
Rob Herring387798b2012-09-06 13:41:12 -0500902 depends on !ARCH_MULTI_V6_V7
Russell Kingb1b3f492012-10-06 17:12:25 +0100903 select ARCH_MULTI_V4_V5
Rob Herring387798b2012-09-06 13:41:12 -0500904
905config ARCH_MULTI_V4_V5
906 bool
907
908config ARCH_MULTI_V6
Stephen Boyd8dda05c2013-03-04 15:19:19 -0800909 bool "ARMv6 based platforms (ARM11)"
Rob Herring387798b2012-09-06 13:41:12 -0500910 select ARCH_MULTI_V6_V7
Russell Kingb1b3f492012-10-06 17:12:25 +0100911 select CPU_V6
Rob Herring387798b2012-09-06 13:41:12 -0500912
913config ARCH_MULTI_V7
Stephen Boyd8dda05c2013-03-04 15:19:19 -0800914 bool "ARMv7 based platforms (Cortex-A, PJ4, Scorpion, Krait)"
Rob Herring387798b2012-09-06 13:41:12 -0500915 default y
916 select ARCH_MULTI_V6_V7
Russell Kingb1b3f492012-10-06 17:12:25 +0100917 select CPU_V7
Rob Herring387798b2012-09-06 13:41:12 -0500918
919config ARCH_MULTI_V6_V7
920 bool
921
922config ARCH_MULTI_CPU_AUTO
923 def_bool !(ARCH_MULTI_V4 || ARCH_MULTI_V4T || ARCH_MULTI_V6_V7)
924 select ARCH_MULTI_V5
925
926endmenu
927
Russell Kingccf50e22010-03-15 19:03:06 +0000928#
929# This is sorted alphabetically by mach-* pathname. However, plat-*
930# Kconfigs may be included either alphabetically (according to the
931# plat- suffix) or along side the corresponding mach-* source.
932#
Gregory CLEMENT3e93a222012-06-04 18:38:56 +0200933source "arch/arm/mach-mvebu/Kconfig"
934
Russell King95b8f202010-01-14 11:43:54 +0000935source "arch/arm/mach-at91/Kconfig"
936
Christian Daudt8ac49e02012-11-19 09:46:10 -0800937source "arch/arm/mach-bcm/Kconfig"
938
Stephen Warrenf1ac9222013-03-11 22:40:18 -0600939source "arch/arm/mach-bcm2835/Kconfig"
940
Linus Torvalds1da177e2005-04-16 15:20:36 -0700941source "arch/arm/mach-clps711x/Kconfig"
942
Anton Vorontsovd94f9442010-03-25 17:12:41 +0300943source "arch/arm/mach-cns3xxx/Kconfig"
944
Russell King95b8f202010-01-14 11:43:54 +0000945source "arch/arm/mach-davinci/Kconfig"
946
947source "arch/arm/mach-dove/Kconfig"
948
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000949source "arch/arm/mach-ep93xx/Kconfig"
950
Linus Torvalds1da177e2005-04-16 15:20:36 -0700951source "arch/arm/mach-footbridge/Kconfig"
952
Paulius Zaleckas59d3a192009-03-26 10:06:08 +0200953source "arch/arm/mach-gemini/Kconfig"
954
Rob Herring387798b2012-09-06 13:41:12 -0500955source "arch/arm/mach-highbank/Kconfig"
956
Linus Torvalds1da177e2005-04-16 15:20:36 -0700957source "arch/arm/mach-integrator/Kconfig"
958
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100959source "arch/arm/mach-iop32x/Kconfig"
960
961source "arch/arm/mach-iop33x/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700962
Dan Williams285f5fa2006-12-07 02:59:39 +0100963source "arch/arm/mach-iop13xx/Kconfig"
964
Linus Torvalds1da177e2005-04-16 15:20:36 -0700965source "arch/arm/mach-ixp4xx/Kconfig"
966
Russell King95b8f202010-01-14 11:43:54 +0000967source "arch/arm/mach-kirkwood/Kconfig"
968
969source "arch/arm/mach-ks8695/Kconfig"
970
Russell King95b8f202010-01-14 11:43:54 +0000971source "arch/arm/mach-msm/Kconfig"
972
Stanislav Samsonov794d15b2008-06-22 22:45:10 +0200973source "arch/arm/mach-mv78xx0/Kconfig"
974
Shawn Guo3995eb82012-09-13 19:48:07 +0800975source "arch/arm/mach-imx/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700976
Shawn Guo1d3f33d2010-12-13 20:55:03 +0800977source "arch/arm/mach-mxs/Kconfig"
978
Russell King95b8f202010-01-14 11:43:54 +0000979source "arch/arm/mach-netx/Kconfig"
Eric Miao49cbe782009-01-20 14:15:18 +0800980
Russell King95b8f202010-01-14 11:43:54 +0000981source "arch/arm/mach-nomadik/Kconfig"
Russell King95b8f202010-01-14 11:43:54 +0000982
Tony Lindgrend48af152005-07-10 19:58:17 +0100983source "arch/arm/plat-omap/Kconfig"
984
985source "arch/arm/mach-omap1/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700986
Tony Lindgren1dbae812005-11-10 14:26:51 +0000987source "arch/arm/mach-omap2/Kconfig"
988
Lennert Buytenhek9dd0b192008-03-27 14:51:41 -0400989source "arch/arm/mach-orion5x/Kconfig"
Tzachi Perelstein585cf172007-10-23 15:14:41 -0400990
Rob Herring387798b2012-09-06 13:41:12 -0500991source "arch/arm/mach-picoxcell/Kconfig"
992
Russell King95b8f202010-01-14 11:43:54 +0000993source "arch/arm/mach-pxa/Kconfig"
994source "arch/arm/plat-pxa/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700995
Russell King95b8f202010-01-14 11:43:54 +0000996source "arch/arm/mach-mmp/Kconfig"
997
998source "arch/arm/mach-realview/Kconfig"
999
1000source "arch/arm/mach-sa1100/Kconfig"
Saeed Bisharaedabd382009-08-06 15:12:43 +03001001
Ben Dookscf383672009-11-10 00:14:58 +00001002source "arch/arm/plat-samsung/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +01001003
Rob Herring387798b2012-09-06 13:41:12 -05001004source "arch/arm/mach-socfpga/Kconfig"
1005
Arnd Bergmanna7ed0992012-12-02 15:12:47 +01001006source "arch/arm/mach-spear/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +01001007
Kukjin Kim85fd6d62012-02-06 09:38:19 +09001008source "arch/arm/mach-s3c24xx/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001009
Ben Dooksa08ab632008-10-21 14:06:39 +01001010if ARCH_S3C64XX
Ben Dooks431107e2010-01-26 10:11:04 +09001011source "arch/arm/mach-s3c64xx/Kconfig"
Ben Dooksa08ab632008-10-21 14:06:39 +01001012endif
1013
Kukjin Kim49b7a492010-09-07 15:47:18 +09001014source "arch/arm/mach-s5p64x0/Kconfig"
Kukjin Kimc4ffccd2010-01-14 08:19:36 +09001015
Byungho Min5a7652f2009-06-23 21:39:42 +09001016source "arch/arm/mach-s5pc100/Kconfig"
Byungho Min5a7652f2009-06-23 21:39:42 +09001017
Kukjin Kim170f4e42010-02-24 16:40:44 +09001018source "arch/arm/mach-s5pv210/Kconfig"
1019
Kukjin Kim83014572011-11-06 13:54:56 +09001020source "arch/arm/mach-exynos/Kconfig"
Changhwan Youncc0e72b2010-07-16 12:15:38 +09001021
Russell King882d01f2010-03-02 23:40:15 +00001022source "arch/arm/mach-shmobile/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001023
Maxime Ripard3b526342012-11-08 12:40:16 +01001024source "arch/arm/mach-sunxi/Kconfig"
1025
Barry Song156a0992012-08-23 13:41:58 +08001026source "arch/arm/mach-prima2/Kconfig"
1027
Erik Gillingc5f80062010-01-21 16:53:02 -08001028source "arch/arm/mach-tegra/Kconfig"
1029
Russell King95b8f202010-01-14 11:43:54 +00001030source "arch/arm/mach-u300/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001031
Russell King95b8f202010-01-14 11:43:54 +00001032source "arch/arm/mach-ux500/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001033
1034source "arch/arm/mach-versatile/Kconfig"
1035
Russell Kingceade892010-02-11 21:44:53 +00001036source "arch/arm/mach-vexpress/Kconfig"
Russell King420c34e2011-01-18 20:08:06 +00001037source "arch/arm/plat-versatile/Kconfig"
Russell Kingceade892010-02-11 21:44:53 +00001038
Marc Zyngier2a0ba732012-10-05 13:47:39 +01001039source "arch/arm/mach-virt/Kconfig"
1040
Tony Prisk6f35f9a2012-10-11 20:13:09 +13001041source "arch/arm/mach-vt8500/Kconfig"
1042
wanzongshun7ec80dd2008-12-03 03:55:38 +01001043source "arch/arm/mach-w90x900/Kconfig"
1044
Josh Cartwright9a45eb62012-11-19 11:38:29 -06001045source "arch/arm/mach-zynq/Kconfig"
1046
Linus Torvalds1da177e2005-04-16 15:20:36 -07001047# Definitions to make life easier
1048config ARCH_ACORN
1049 bool
1050
Lennert Buytenhek7ae1f7e2006-09-18 23:12:53 +01001051config PLAT_IOP
1052 bool
Mikael Pettersson469d30442009-10-29 11:46:54 -07001053 select GENERIC_CLOCKEVENTS
Lennert Buytenhek7ae1f7e2006-09-18 23:12:53 +01001054
Lennert Buytenhek69b02f62008-03-27 14:51:39 -04001055config PLAT_ORION
1056 bool
Russell Kingbfe45e02011-05-08 15:33:30 +01001057 select CLKSRC_MMIO
Russell Kingb1b3f492012-10-06 17:12:25 +01001058 select COMMON_CLK
Russell Kingdc7ad3b2011-05-22 10:01:21 +01001059 select GENERIC_IRQ_CHIP
Andrew Lunn278b45b2012-06-27 13:40:04 +02001060 select IRQ_DOMAIN
Lennert Buytenhek69b02f62008-03-27 14:51:39 -04001061
Thomas Petazzoniabcda1d2012-09-11 14:27:27 +02001062config PLAT_ORION_LEGACY
1063 bool
1064 select PLAT_ORION
1065
Eric Miaobd5ce432009-01-20 12:06:01 +08001066config PLAT_PXA
1067 bool
1068
Russell Kingf4b8b312010-01-14 12:48:06 +00001069config PLAT_VERSATILE
1070 bool
1071
Russell Kinge3887712010-01-14 13:30:16 +00001072config ARM_TIMER_SP804
1073 bool
Russell Kingbfe45e02011-05-08 15:33:30 +01001074 select CLKSRC_MMIO
Rob Herring7a0eca72013-03-25 11:23:52 -05001075 select CLKSRC_OF if OF
Russell Kinge3887712010-01-14 13:30:16 +00001076
Linus Torvalds1da177e2005-04-16 15:20:36 -07001077source arch/arm/mm/Kconfig
1078
Russell King958cab02011-12-11 10:04:00 +00001079config ARM_NR_BANKS
1080 int
1081 default 16 if ARCH_EP93XX
1082 default 8
1083
Lennert Buytenhekafe4b252006-12-03 18:51:14 +01001084config IWMMXT
Russell King698613b2013-04-03 16:33:26 +01001085 bool "Enable iWMMXt support" if !CPU_PJ4
Haojian Zhuangef6c8442010-11-24 11:54:25 +08001086 depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4
Russell King698613b2013-04-03 16:33:26 +01001087 default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4
Lennert Buytenhekafe4b252006-12-03 18:51:14 +01001088 help
1089 Enable support for iWMMXt context switching at run time if
1090 running on a CPU that supports it.
1091
Linus Torvalds1da177e2005-04-16 15:20:36 -07001092config XSCALE_PMU
1093 bool
Paul Bollebfc994b2011-10-30 12:51:41 +01001094 depends on CPU_XSCALE
Linus Torvalds1da177e2005-04-16 15:20:36 -07001095 default y
1096
eric miao52108642010-12-13 09:42:34 +01001097config MULTI_IRQ_HANDLER
1098 bool
1099 help
1100 Allow each machine to specify it's own IRQ handler at run time.
1101
Hyok S. Choi3b93e7b2006-06-22 11:48:56 +01001102if !MMU
1103source "arch/arm/Kconfig-nommu"
1104endif
1105
Will Deaconf0c4b8d2012-04-20 17:20:08 +01001106config ARM_ERRATA_326103
1107 bool "ARM errata: FSR write bit incorrect on a SWP to read-only memory"
1108 depends on CPU_V6
1109 help
1110 Executing a SWP instruction to read-only memory does not set bit 11
1111 of the FSR on the ARM 1136 prior to r1p0. This causes the kernel to
1112 treat the access as a read, preventing a COW from occurring and
1113 causing the faulting task to livelock.
1114
Catalin Marinas9cba3cc2009-04-30 17:06:03 +01001115config ARM_ERRATA_411920
1116 bool "ARM errata: Invalidation of the Instruction Cache operation can fail"
Russell Kinge399b1a2011-01-17 15:08:32 +00001117 depends on CPU_V6 || CPU_V6K
Catalin Marinas9cba3cc2009-04-30 17:06:03 +01001118 help
1119 Invalidation of the Instruction Cache operation can
1120 fail. This erratum is present in 1136 (before r1p4), 1156 and 1176.
1121 It does not affect the MPCore. This option enables the ARM Ltd.
1122 recommended workaround.
1123
Catalin Marinas7ce236f2009-04-30 17:06:09 +01001124config ARM_ERRATA_430973
1125 bool "ARM errata: Stale prediction on replaced interworking branch"
1126 depends on CPU_V7
1127 help
1128 This option enables the workaround for the 430973 Cortex-A8
1129 (r1p0..r1p2) erratum. If a code sequence containing an ARM/Thumb
1130 interworking branch is replaced with another code sequence at the
1131 same virtual address, whether due to self-modifying code or virtual
1132 to physical address re-mapping, Cortex-A8 does not recover from the
1133 stale interworking branch prediction. This results in Cortex-A8
1134 executing the new code sequence in the incorrect ARM or Thumb state.
1135 The workaround enables the BTB/BTAC operations by setting ACTLR.IBE
1136 and also flushes the branch target cache at every context switch.
1137 Note that setting specific bits in the ACTLR register may not be
1138 available in non-secure mode.
1139
Catalin Marinas855c5512009-04-30 17:06:15 +01001140config ARM_ERRATA_458693
1141 bool "ARM errata: Processor deadlock when a false hazard is created"
1142 depends on CPU_V7
Rob Herring62e4d352012-12-21 22:42:40 +01001143 depends on !ARCH_MULTIPLATFORM
Catalin Marinas855c5512009-04-30 17:06:15 +01001144 help
1145 This option enables the workaround for the 458693 Cortex-A8 (r2p0)
1146 erratum. For very specific sequences of memory operations, it is
1147 possible for a hazard condition intended for a cache line to instead
1148 be incorrectly associated with a different cache line. This false
1149 hazard might then cause a processor deadlock. The workaround enables
1150 the L1 caching of the NEON accesses and disables the PLD instruction
1151 in the ACTLR register. Note that setting specific bits in the ACTLR
1152 register may not be available in non-secure mode.
1153
Catalin Marinas0516e462009-04-30 17:06:20 +01001154config ARM_ERRATA_460075
1155 bool "ARM errata: Data written to the L2 cache can be overwritten with stale data"
1156 depends on CPU_V7
Rob Herring62e4d352012-12-21 22:42:40 +01001157 depends on !ARCH_MULTIPLATFORM
Catalin Marinas0516e462009-04-30 17:06:20 +01001158 help
1159 This option enables the workaround for the 460075 Cortex-A8 (r2p0)
1160 erratum. Any asynchronous access to the L2 cache may encounter a
1161 situation in which recent store transactions to the L2 cache are lost
1162 and overwritten with stale memory contents from external memory. The
1163 workaround disables the write-allocate mode for the L2 cache via the
1164 ACTLR register. Note that setting specific bits in the ACTLR register
1165 may not be available in non-secure mode.
1166
Will Deacon9f050272010-09-14 09:51:43 +01001167config ARM_ERRATA_742230
1168 bool "ARM errata: DMB operation may be faulty"
1169 depends on CPU_V7 && SMP
Rob Herring62e4d352012-12-21 22:42:40 +01001170 depends on !ARCH_MULTIPLATFORM
Will Deacon9f050272010-09-14 09:51:43 +01001171 help
1172 This option enables the workaround for the 742230 Cortex-A9
1173 (r1p0..r2p2) erratum. Under rare circumstances, a DMB instruction
1174 between two write operations may not ensure the correct visibility
1175 ordering of the two writes. This workaround sets a specific bit in
1176 the diagnostic register of the Cortex-A9 which causes the DMB
1177 instruction to behave as a DSB, ensuring the correct behaviour of
1178 the two writes.
1179
Will Deacona672e992010-09-14 09:53:02 +01001180config ARM_ERRATA_742231
1181 bool "ARM errata: Incorrect hazard handling in the SCU may lead to data corruption"
1182 depends on CPU_V7 && SMP
Rob Herring62e4d352012-12-21 22:42:40 +01001183 depends on !ARCH_MULTIPLATFORM
Will Deacona672e992010-09-14 09:53:02 +01001184 help
1185 This option enables the workaround for the 742231 Cortex-A9
1186 (r2p0..r2p2) erratum. Under certain conditions, specific to the
1187 Cortex-A9 MPCore micro-architecture, two CPUs working in SMP mode,
1188 accessing some data located in the same cache line, may get corrupted
1189 data due to bad handling of the address hazard when the line gets
1190 replaced from one of the CPUs at the same time as another CPU is
1191 accessing it. This workaround sets specific bits in the diagnostic
1192 register of the Cortex-A9 which reduces the linefill issuing
1193 capabilities of the processor.
1194
Santosh Shilimkar9e655822010-02-04 19:42:42 +01001195config PL310_ERRATA_588369
Will Deaconfa0ce402011-11-14 17:24:57 +01001196 bool "PL310 errata: Clean & Invalidate maintenance operations do not invalidate clean lines"
Santosh Shilimkar2839e062011-03-08 06:59:54 +01001197 depends on CACHE_L2X0
Santosh Shilimkar9e655822010-02-04 19:42:42 +01001198 help
1199 The PL310 L2 cache controller implements three types of Clean &
1200 Invalidate maintenance operations: by Physical Address
1201 (offset 0x7F0), by Index/Way (0x7F8) and by Way (0x7FC).
1202 They are architecturally defined to behave as the execution of a
1203 clean operation followed immediately by an invalidate operation,
1204 both performing to the same memory location. This functionality
1205 is not correctly implemented in PL310 as clean lines are not
Santosh Shilimkar2839e062011-03-08 06:59:54 +01001206 invalidated as a result of these operations.
Will Deaconcdf357f2010-08-05 11:20:51 +01001207
1208config ARM_ERRATA_720789
1209 bool "ARM errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a faulty ASID"
Dave Martine66dc742011-12-08 13:37:46 +01001210 depends on CPU_V7
Will Deaconcdf357f2010-08-05 11:20:51 +01001211 help
1212 This option enables the workaround for the 720789 Cortex-A9 (prior to
1213 r2p0) erratum. A faulty ASID can be sent to the other CPUs for the
1214 broadcasted CP15 TLB maintenance operations TLBIASIDIS and TLBIMVAIS.
1215 As a consequence of this erratum, some TLB entries which should be
1216 invalidated are not, resulting in an incoherency in the system page
1217 tables. The workaround changes the TLB flushing routines to invalidate
1218 entries regardless of the ASID.
Will Deacon475d92f2010-09-28 14:02:02 +01001219
Russell King1f0090a2011-03-16 23:35:25 +00001220config PL310_ERRATA_727915
Will Deaconfa0ce402011-11-14 17:24:57 +01001221 bool "PL310 errata: Background Clean & Invalidate by Way operation can cause data corruption"
Russell King1f0090a2011-03-16 23:35:25 +00001222 depends on CACHE_L2X0
1223 help
1224 PL310 implements the Clean & Invalidate by Way L2 cache maintenance
1225 operation (offset 0x7FC). This operation runs in background so that
1226 PL310 can handle normal accesses while it is in progress. Under very
1227 rare circumstances, due to this erratum, write data can be lost when
1228 PL310 treats a cacheable write transaction during a Clean &
1229 Invalidate by Way operation.
1230
Will Deacon475d92f2010-09-28 14:02:02 +01001231config ARM_ERRATA_743622
1232 bool "ARM errata: Faulty hazard checking in the Store Buffer may lead to data corruption"
1233 depends on CPU_V7
Rob Herring62e4d352012-12-21 22:42:40 +01001234 depends on !ARCH_MULTIPLATFORM
Will Deacon475d92f2010-09-28 14:02:02 +01001235 help
1236 This option enables the workaround for the 743622 Cortex-A9
Will Deaconefbc74a2012-02-24 12:12:38 +01001237 (r2p*) erratum. Under very rare conditions, a faulty
Will Deacon475d92f2010-09-28 14:02:02 +01001238 optimisation in the Cortex-A9 Store Buffer may lead to data
1239 corruption. This workaround sets a specific bit in the diagnostic
1240 register of the Cortex-A9 which disables the Store Buffer
1241 optimisation, preventing the defect from occurring. This has no
1242 visible impact on the overall performance or power consumption of the
1243 processor.
1244
Will Deacon9a27c272011-02-18 16:36:35 +01001245config ARM_ERRATA_751472
1246 bool "ARM errata: Interrupted ICIALLUIS may prevent completion of broadcasted operation"
Dave Martinba90c512011-12-08 13:41:06 +01001247 depends on CPU_V7
Rob Herring62e4d352012-12-21 22:42:40 +01001248 depends on !ARCH_MULTIPLATFORM
Will Deacon9a27c272011-02-18 16:36:35 +01001249 help
1250 This option enables the workaround for the 751472 Cortex-A9 (prior
1251 to r3p0) erratum. An interrupted ICIALLUIS operation may prevent the
1252 completion of a following broadcasted operation if the second
1253 operation is received by a CPU before the ICIALLUIS has completed,
1254 potentially leading to corrupted entries in the cache or TLB.
1255
Will Deaconfa0ce402011-11-14 17:24:57 +01001256config PL310_ERRATA_753970
1257 bool "PL310 errata: cache sync operation may be faulty"
Srinidhi Kasagar885028e2011-02-17 07:03:51 +01001258 depends on CACHE_PL310
1259 help
1260 This option enables the workaround for the 753970 PL310 (r3p0) erratum.
1261
1262 Under some condition the effect of cache sync operation on
1263 the store buffer still remains when the operation completes.
1264 This means that the store buffer is always asked to drain and
1265 this prevents it from merging any further writes. The workaround
1266 is to replace the normal offset of cache sync operation (0x730)
1267 by another offset targeting an unmapped PL310 register 0x740.
1268 This has the same effect as the cache sync operation: store buffer
1269 drain and waiting for all buffers empty.
1270
Will Deaconfcbdc5fe2011-02-28 18:15:16 +01001271config ARM_ERRATA_754322
1272 bool "ARM errata: possible faulty MMU translations following an ASID switch"
1273 depends on CPU_V7
1274 help
1275 This option enables the workaround for the 754322 Cortex-A9 (r2p*,
1276 r3p*) erratum. A speculative memory access may cause a page table walk
1277 which starts prior to an ASID switch but completes afterwards. This
1278 can populate the micro-TLB with a stale entry which may be hit with
1279 the new ASID. This workaround places two dsb instructions in the mm
1280 switching code so that no page table walks can cross the ASID switch.
1281
Will Deacon5dab26af2011-03-04 12:38:54 +01001282config ARM_ERRATA_754327
1283 bool "ARM errata: no automatic Store Buffer drain"
1284 depends on CPU_V7 && SMP
1285 help
1286 This option enables the workaround for the 754327 Cortex-A9 (prior to
1287 r2p0) erratum. The Store Buffer does not have any automatic draining
1288 mechanism and therefore a livelock may occur if an external agent
1289 continuously polls a memory location waiting to observe an update.
1290 This workaround defines cpu_relax() as smp_mb(), preventing correctly
1291 written polling loops from denying visibility of updates to memory.
1292
Catalin Marinas145e10e2011-08-15 11:04:41 +01001293config ARM_ERRATA_364296
1294 bool "ARM errata: Possible cache data corruption with hit-under-miss enabled"
1295 depends on CPU_V6 && !SMP
1296 help
1297 This options enables the workaround for the 364296 ARM1136
1298 r0p2 erratum (possible cache data corruption with
1299 hit-under-miss enabled). It sets the undocumented bit 31 in
1300 the auxiliary control register and the FI bit in the control
1301 register, thus disabling hit-under-miss without putting the
1302 processor into full low interrupt latency mode. ARM11MPCore
1303 is not affected.
1304
Will Deaconf630c1b2011-09-15 11:45:15 +01001305config ARM_ERRATA_764369
1306 bool "ARM errata: Data cache line maintenance operation by MVA may not succeed"
1307 depends on CPU_V7 && SMP
1308 help
1309 This option enables the workaround for erratum 764369
1310 affecting Cortex-A9 MPCore with two or more processors (all
1311 current revisions). Under certain timing circumstances, a data
1312 cache line maintenance operation by MVA targeting an Inner
1313 Shareable memory region may fail to proceed up to either the
1314 Point of Coherency or to the Point of Unification of the
1315 system. This workaround adds a DSB instruction before the
1316 relevant cache maintenance functions and sets a specific bit
1317 in the diagnostic control register of the SCU.
1318
Will Deacon11ed0ba2011-11-14 17:24:58 +01001319config PL310_ERRATA_769419
1320 bool "PL310 errata: no automatic Store Buffer drain"
1321 depends on CACHE_L2X0
1322 help
1323 On revisions of the PL310 prior to r3p2, the Store Buffer does
1324 not automatically drain. This can cause normal, non-cacheable
1325 writes to be retained when the memory system is idle, leading
1326 to suboptimal I/O performance for drivers using coherent DMA.
1327 This option adds a write barrier to the cpu_idle loop so that,
1328 on systems with an outer cache, the store buffer is drained
1329 explicitly.
1330
Simon Horman7253b852012-09-28 02:12:45 +01001331config ARM_ERRATA_775420
1332 bool "ARM errata: A data cache maintenance operation which aborts, might lead to deadlock"
1333 depends on CPU_V7
1334 help
1335 This option enables the workaround for the 775420 Cortex-A9 (r2p2,
1336 r2p6,r2p8,r2p10,r3p0) erratum. In case a date cache maintenance
1337 operation aborts with MMU exception, it might cause the processor
1338 to deadlock. This workaround puts DSB before executing ISB if
1339 an abort may occur on cache maintenance.
1340
Catalin Marinas93dc6882013-03-26 23:35:04 +01001341config ARM_ERRATA_798181
1342 bool "ARM errata: TLBI/DSB failure on Cortex-A15"
1343 depends on CPU_V7 && SMP
1344 help
1345 On Cortex-A15 (r0p0..r3p2) the TLBI*IS/DSB operations are not
1346 adequately shooting down all use of the old entries. This
1347 option enables the Linux kernel workaround for this erratum
1348 which sends an IPI to the CPUs that are running the same ASID
1349 as the one being invalidated.
1350
Linus Torvalds1da177e2005-04-16 15:20:36 -07001351endmenu
1352
1353source "arch/arm/common/Kconfig"
1354
Linus Torvalds1da177e2005-04-16 15:20:36 -07001355menu "Bus support"
1356
1357config ARM_AMBA
1358 bool
1359
1360config ISA
1361 bool
Linus Torvalds1da177e2005-04-16 15:20:36 -07001362 help
1363 Find out whether you have ISA slots on your motherboard. ISA is the
1364 name of a bus system, i.e. the way the CPU talks to the other stuff
1365 inside your box. Other bus systems are PCI, EISA, MicroChannel
1366 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
1367 newer boards don't support it. If you have ISA, say Y, otherwise N.
1368
Russell King065909b2006-01-04 15:44:16 +00001369# Select ISA DMA controller support
Linus Torvalds1da177e2005-04-16 15:20:36 -07001370config ISA_DMA
1371 bool
Russell King065909b2006-01-04 15:44:16 +00001372 select ISA_DMA_API
Linus Torvalds1da177e2005-04-16 15:20:36 -07001373
Russell King065909b2006-01-04 15:44:16 +00001374# Select ISA DMA interface
Al Viro5cae8412005-05-04 05:39:22 +01001375config ISA_DMA_API
1376 bool
Al Viro5cae8412005-05-04 05:39:22 +01001377
Linus Torvalds1da177e2005-04-16 15:20:36 -07001378config PCI
Hans Ulli Kroll0b05da72010-12-02 12:32:15 +01001379 bool "PCI support" if MIGHT_HAVE_PCI
Linus Torvalds1da177e2005-04-16 15:20:36 -07001380 help
1381 Find out whether you have a PCI motherboard. PCI is the name of a
1382 bus system, i.e. the way the CPU talks to the other stuff inside
1383 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
1384 VESA. If you have PCI, say Y, otherwise N.
1385
Anton Vorontsov52882172010-04-19 13:20:49 +01001386config PCI_DOMAINS
1387 bool
1388 depends on PCI
1389
Marcelo Roberto Jimenezb080ac82010-12-16 21:34:51 +01001390config PCI_NANOENGINE
1391 bool "BSE nanoEngine PCI support"
1392 depends on SA1100_NANOENGINE
1393 help
1394 Enable PCI on the BSE nanoEngine board.
1395
Matthew Wilcox36e23592007-07-10 10:54:40 -06001396config PCI_SYSCALL
1397 def_bool PCI
1398
Linus Torvalds1da177e2005-04-16 15:20:36 -07001399# Select the host bridge type
1400config PCI_HOST_VIA82C505
1401 bool
1402 depends on PCI && ARCH_SHARK
1403 default y
1404
Mike Rapoporta0113a92007-11-25 08:55:34 +01001405config PCI_HOST_ITE8152
1406 bool
1407 depends on PCI && MACH_ARMCORE
1408 default y
1409 select DMABOUNCE
1410
Linus Torvalds1da177e2005-04-16 15:20:36 -07001411source "drivers/pci/Kconfig"
1412
1413source "drivers/pcmcia/Kconfig"
1414
1415endmenu
1416
1417menu "Kernel Features"
1418
Dave Martin3b556582011-12-07 15:38:04 +00001419config HAVE_SMP
1420 bool
1421 help
1422 This option should be selected by machines which have an SMP-
1423 capable CPU.
1424
1425 The only effect of this option is to make the SMP-related
1426 options available to the user for configuration.
1427
Linus Torvalds1da177e2005-04-16 15:20:36 -07001428config SMP
Russell Kingbb2d8132011-05-12 09:52:02 +01001429 bool "Symmetric Multi-Processing"
Russell Kingfbb4dda2011-01-17 18:01:58 +00001430 depends on CPU_V6K || CPU_V7
Russell Kingbc282482009-05-17 18:58:34 +01001431 depends on GENERIC_CLOCKEVENTS
Dave Martin3b556582011-12-07 15:38:04 +00001432 depends on HAVE_SMP
Arnd Bergmann9934ebb2011-06-10 14:05:22 +00001433 depends on MMU
Russell Kingb1b3f492012-10-06 17:12:25 +01001434 select USE_GENERIC_SMP_HELPERS
Linus Torvalds1da177e2005-04-16 15:20:36 -07001435 help
1436 This enables support for systems with more than one CPU. If you have
1437 a system with only one CPU, like most personal computers, say N. If
1438 you have a system with more than one CPU, say Y.
1439
1440 If you say N here, the kernel will run on single and multiprocessor
1441 machines, but will use only one CPU of a multiprocessor machine. If
1442 you say Y here, the kernel will run on many, but not all, single
1443 processor machines. On a single processor machine, the kernel will
1444 run faster if you say N here.
1445
Paul Bolle395cf962011-08-15 02:02:26 +02001446 See also <file:Documentation/x86/i386/IO-APIC.txt>,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001447 <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
Justin P. Mattock50a23e62010-10-16 10:36:23 -07001448 <http://tldp.org/HOWTO/SMP-HOWTO.html>.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001449
1450 If you don't know what to do here, say N.
1451
Russell Kingf00ec482010-09-04 10:47:48 +01001452config SMP_ON_UP
1453 bool "Allow booting SMP kernel on uniprocessor systems (EXPERIMENTAL)"
Nicolas Pitre4d2692a2011-01-14 07:33:24 +01001454 depends on SMP && !XIP_KERNEL
Russell Kingf00ec482010-09-04 10:47:48 +01001455 default y
1456 help
1457 SMP kernels contain instructions which fail on non-SMP processors.
1458 Enabling this option allows the kernel to modify itself to make
1459 these instructions safe. Disabling it allows about 1K of space
1460 savings.
1461
1462 If you don't know what to do here, say Y.
1463
Vincent Guittotc9018aa2011-08-08 13:21:59 +01001464config ARM_CPU_TOPOLOGY
1465 bool "Support cpu topology definition"
1466 depends on SMP && CPU_V7
1467 default y
1468 help
1469 Support ARM cpu topology definition. The MPIDR register defines
1470 affinity between processors which is then used to describe the cpu
1471 topology of an ARM System.
1472
1473config SCHED_MC
1474 bool "Multi-core scheduler support"
1475 depends on ARM_CPU_TOPOLOGY
1476 help
1477 Multi-core scheduler support improves the CPU scheduler's decision
1478 making when dealing with multi-core CPU chips at a cost of slightly
1479 increased overhead in some places. If unsure say N here.
1480
1481config SCHED_SMT
1482 bool "SMT scheduler support"
1483 depends on ARM_CPU_TOPOLOGY
1484 help
1485 Improves the CPU scheduler's decision making when dealing with
1486 MultiThreading at a cost of slightly increased overhead in some
1487 places. If unsure say N here.
1488
Russell Kinga8cbcd92009-05-16 11:51:14 +01001489config HAVE_ARM_SCU
1490 bool
Russell Kinga8cbcd92009-05-16 11:51:14 +01001491 help
1492 This option enables support for the ARM system coherency unit
1493
Mark Rutland8a4da6e2012-11-12 14:33:44 +00001494config HAVE_ARM_ARCH_TIMER
Marc Zyngier022c03a2012-01-11 17:25:17 +00001495 bool "Architected timer support"
1496 depends on CPU_V7
Mark Rutland8a4da6e2012-11-12 14:33:44 +00001497 select ARM_ARCH_TIMER
Marc Zyngier022c03a2012-01-11 17:25:17 +00001498 help
1499 This option enables support for the ARM architected timer
1500
Russell Kingf32f4ce2009-05-16 12:14:21 +01001501config HAVE_ARM_TWD
1502 bool
1503 depends on SMP
Rob Herringda4a6862013-02-06 21:17:47 -06001504 select CLKSRC_OF if OF
Russell Kingf32f4ce2009-05-16 12:14:21 +01001505 help
1506 This options enables support for the ARM timer and watchdog unit
1507
Nicolas Pitree8db2882012-04-12 02:45:22 -04001508config MCPM
1509 bool "Multi-Cluster Power Management"
1510 depends on CPU_V7 && SMP
1511 help
1512 This option provides the common power management infrastructure
1513 for (multi-)cluster based systems, such as big.LITTLE based
1514 systems.
1515
Lennert Buytenhek8d5796d2008-08-25 21:03:32 +01001516choice
1517 prompt "Memory split"
1518 default VMSPLIT_3G
1519 help
1520 Select the desired split between kernel and user memory.
1521
1522 If you are not absolutely sure what you are doing, leave this
1523 option alone!
1524
1525 config VMSPLIT_3G
1526 bool "3G/1G user/kernel split"
1527 config VMSPLIT_2G
1528 bool "2G/2G user/kernel split"
1529 config VMSPLIT_1G
1530 bool "1G/3G user/kernel split"
1531endchoice
1532
1533config PAGE_OFFSET
1534 hex
1535 default 0x40000000 if VMSPLIT_1G
1536 default 0x80000000 if VMSPLIT_2G
1537 default 0xC0000000
1538
Linus Torvalds1da177e2005-04-16 15:20:36 -07001539config NR_CPUS
1540 int "Maximum number of CPUs (2-32)"
1541 range 2 32
1542 depends on SMP
1543 default "4"
1544
Russell Kinga054a812005-11-02 22:24:33 +00001545config HOTPLUG_CPU
Russell King00b7ded2012-10-22 22:54:30 +01001546 bool "Support for hot-pluggable CPUs"
1547 depends on SMP && HOTPLUG
Russell Kinga054a812005-11-02 22:24:33 +00001548 help
1549 Say Y here to experiment with turning CPUs off and on. CPUs
1550 can be controlled through /sys/devices/system/cpu.
1551
Will Deacon2bdd4242012-12-12 19:20:52 +00001552config ARM_PSCI
1553 bool "Support for the ARM Power State Coordination Interface (PSCI)"
1554 depends on CPU_V7
1555 help
1556 Say Y here if you want Linux to communicate with system firmware
1557 implementing the PSCI specification for CPU-centric power
1558 management operations described in ARM document number ARM DEN
1559 0022A ("Power State Coordination Interface System Software on
1560 ARM processors").
1561
Russell King37ee16a2005-11-08 19:08:05 +00001562config LOCAL_TIMERS
1563 bool "Use local timer interrupts"
Russell King971acb92010-09-04 08:16:30 +01001564 depends on SMP
Russell King37ee16a2005-11-08 19:08:05 +00001565 default y
1566 help
1567 Enable support for local timers on SMP platforms, rather then the
1568 legacy IPI broadcast method. Local timers allows the system
1569 accounting to be spread across the timer interval, preventing a
1570 "thundering herd" at every timer tick.
1571
Maxime Ripard2a6ad872013-02-03 12:24:48 +01001572# The GPIO number here must be sorted by descending number. In case of
1573# a multiplatform kernel, we just want the highest value required by the
1574# selected platforms.
Peter De Schrijver (NVIDIA)44986ab2011-12-21 10:48:45 +01001575config ARCH_NR_GPIO
1576 int
Peter De Schrijver (NVIDIA)3dea19e2011-12-21 15:14:52 +01001577 default 1024 if ARCH_SHMOBILE || ARCH_TEGRA
Tarun Kanti DebBarma39f47d92012-04-26 18:31:17 +05301578 default 512 if SOC_OMAP5
Olof Johansson06b851e2013-04-02 18:33:58 -07001579 default 392 if ARCH_U8500
Tony Prisk01bb9142013-03-09 18:22:30 +13001580 default 352 if ARCH_VT8500
1581 default 288 if ARCH_SUNXI
Maxime Ripard2a6ad872013-02-03 12:24:48 +01001582 default 264 if MACH_H4700
Peter De Schrijver (NVIDIA)44986ab2011-12-21 10:48:45 +01001583 default 0
1584 help
1585 Maximum number of GPIOs in the system.
1586
1587 If unsure, leave the default value.
1588
Uwe Kleine-Königd45a3982009-08-13 20:38:17 +02001589source kernel/Kconfig.preempt
Linus Torvalds1da177e2005-04-16 15:20:36 -07001590
Russell Kingf8065812006-03-02 22:41:59 +00001591config HZ
1592 int
Kukjin Kimb130d5c2012-02-03 14:29:23 +09001593 default 200 if ARCH_EBSA110 || ARCH_S3C24XX || ARCH_S5P64X0 || \
Kukjin Kima73ddc62011-05-11 16:27:51 +09001594 ARCH_S5PV210 || ARCH_EXYNOS4
David Brownell5248c652007-11-12 17:59:10 +01001595 default AT91_TIMER_HZ if ARCH_AT91
Magnus Damm5da3e712010-07-29 14:03:04 +01001596 default SHMOBILE_TIMER_HZ if ARCH_SHMOBILE
Russell Kingf8065812006-03-02 22:41:59 +00001597 default 100
1598
Russell Kingb28748f2013-02-17 14:40:33 +00001599config SCHED_HRTICK
1600 def_bool HIGH_RES_TIMERS
1601
Catalin Marinas16c79652009-07-24 12:33:02 +01001602config THUMB2_KERNEL
Uwe Kleine-Königbc7dea02011-12-09 20:52:10 +01001603 bool "Compile the kernel in Thumb-2 mode" if !CPU_THUMBONLY
Russell King00b7ded2012-10-22 22:54:30 +01001604 depends on CPU_V7 && !CPU_V6 && !CPU_V6K
Uwe Kleine-Königbc7dea02011-12-09 20:52:10 +01001605 default y if CPU_THUMBONLY
Catalin Marinas16c79652009-07-24 12:33:02 +01001606 select AEABI
1607 select ARM_ASM_UNIFIED
Arnd Bergmann89bace62011-06-10 14:12:21 +00001608 select ARM_UNWIND
Catalin Marinas16c79652009-07-24 12:33:02 +01001609 help
1610 By enabling this option, the kernel will be compiled in
1611 Thumb-2 mode. A compiler/assembler that understand the unified
1612 ARM-Thumb syntax is needed.
1613
1614 If unsure, say N.
1615
Dave Martin6f685c52011-03-03 11:41:12 +01001616config THUMB2_AVOID_R_ARM_THM_JUMP11
1617 bool "Work around buggy Thumb-2 short branch relocations in gas"
1618 depends on THUMB2_KERNEL && MODULES
1619 default y
1620 help
1621 Various binutils versions can resolve Thumb-2 branches to
1622 locally-defined, preemptible global symbols as short-range "b.n"
1623 branch instructions.
1624
1625 This is a problem, because there's no guarantee the final
1626 destination of the symbol, or any candidate locations for a
1627 trampoline, are within range of the branch. For this reason, the
1628 kernel does not support fixing up the R_ARM_THM_JUMP11 (102)
1629 relocation in modules at all, and it makes little sense to add
1630 support.
1631
1632 The symptom is that the kernel fails with an "unsupported
1633 relocation" error when loading some modules.
1634
1635 Until fixed tools are available, passing
1636 -fno-optimize-sibling-calls to gcc should prevent gcc generating
1637 code which hits this problem, at the cost of a bit of extra runtime
1638 stack usage in some cases.
1639
1640 The problem is described in more detail at:
1641 https://bugs.launchpad.net/binutils-linaro/+bug/725126
1642
1643 Only Thumb-2 kernels are affected.
1644
1645 Unless you are sure your tools don't have this problem, say Y.
1646
Catalin Marinas0becb082009-07-24 12:32:53 +01001647config ARM_ASM_UNIFIED
1648 bool
1649
Nicolas Pitre704bdda02006-01-14 16:33:50 +00001650config AEABI
1651 bool "Use the ARM EABI to compile the kernel"
1652 help
1653 This option allows for the kernel to be compiled using the latest
1654 ARM ABI (aka EABI). This is only useful if you are using a user
1655 space environment that is also compiled with EABI.
1656
1657 Since there are major incompatibilities between the legacy ABI and
1658 EABI, especially with regard to structure member alignment, this
1659 option also changes the kernel syscall calling convention to
1660 disambiguate both ABIs and allow for backward compatibility support
1661 (selected with CONFIG_OABI_COMPAT).
1662
1663 To use this you need GCC version 4.0.0 or later.
1664
Nicolas Pitre6c90c872006-01-14 16:37:15 +00001665config OABI_COMPAT
Russell Kinga73a3ff2006-02-08 21:09:55 +00001666 bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)"
Kees Cookd6f94fa2013-01-16 18:53:14 -08001667 depends on AEABI && !THUMB2_KERNEL
Nicolas Pitre6c90c872006-01-14 16:37:15 +00001668 default y
1669 help
1670 This option preserves the old syscall interface along with the
1671 new (ARM EABI) one. It also provides a compatibility layer to
1672 intercept syscalls that have structure arguments which layout
1673 in memory differs between the legacy ABI and the new ARM EABI
1674 (only for non "thumb" binaries). This option adds a tiny
1675 overhead to all syscalls and produces a slightly larger kernel.
1676 If you know you'll be using only pure EABI user space then you
1677 can say N here. If this option is not selected and you attempt
1678 to execute a legacy ABI binary then the result will be
1679 UNPREDICTABLE (in fact it can be predicted that it won't work
1680 at all). If in doubt say Y.
1681
Mel Gormaneb335752009-05-13 17:34:48 +01001682config ARCH_HAS_HOLES_MEMORYMODEL
Mel Gormane80d6a22008-08-14 11:10:14 +01001683 bool
Mel Gormane80d6a22008-08-14 11:10:14 +01001684
Russell King05944d72006-11-30 20:43:51 +00001685config ARCH_SPARSEMEM_ENABLE
1686 bool
1687
Russell King07a2f732008-10-01 21:39:58 +01001688config ARCH_SPARSEMEM_DEFAULT
1689 def_bool ARCH_SPARSEMEM_ENABLE
1690
Russell King05944d72006-11-30 20:43:51 +00001691config ARCH_SELECT_MEMORY_MODEL
Russell Kingbe370302010-05-07 17:40:33 +01001692 def_bool ARCH_SPARSEMEM_ENABLE
Yasunori Gotoc80d79d2006-04-10 22:53:53 -07001693
Will Deacon7b7bf492011-05-19 13:21:14 +01001694config HAVE_ARCH_PFN_VALID
1695 def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM
1696
Nicolas Pitre053a96c2008-09-19 00:36:12 -04001697config HIGHMEM
Russell Kinge8db89a2011-05-12 09:53:05 +01001698 bool "High Memory Support"
1699 depends on MMU
Nicolas Pitre053a96c2008-09-19 00:36:12 -04001700 help
1701 The address space of ARM processors is only 4 Gigabytes large
1702 and it has to accommodate user address space, kernel address
1703 space as well as some memory mapped IO. That means that, if you
1704 have a large amount of physical memory and/or IO, not all of the
1705 memory can be "permanently mapped" by the kernel. The physical
1706 memory that is not permanently mapped is called "high memory".
1707
1708 Depending on the selected kernel/user memory split, minimum
1709 vmalloc space and actual amount of RAM, you may not need this
1710 option which should result in a slightly faster kernel.
1711
1712 If unsure, say n.
1713
Russell King65cec8e2009-08-17 20:02:06 +01001714config HIGHPTE
1715 bool "Allocate 2nd-level pagetables from highmem"
1716 depends on HIGHMEM
Russell King65cec8e2009-08-17 20:02:06 +01001717
Jamie Iles1b8873a2010-02-02 20:25:44 +01001718config HW_PERF_EVENTS
1719 bool "Enable hardware performance counter support for perf events"
Will Deaconf0d1bc42012-07-28 16:27:03 +01001720 depends on PERF_EVENTS
Jamie Iles1b8873a2010-02-02 20:25:44 +01001721 default y
1722 help
1723 Enable hardware performance counter support for perf events. If
1724 disabled, perf events will use software events only.
1725
Dave Hansen3f22ab22005-06-23 00:07:43 -07001726source "mm/Kconfig"
1727
Magnus Dammc1b2d972010-07-05 10:00:11 +01001728config FORCE_MAX_ZONEORDER
1729 int "Maximum zone order" if ARCH_SHMOBILE
1730 range 11 64 if ARCH_SHMOBILE
Yegor Yefremov898f08e2012-10-08 14:37:53 -07001731 default "12" if SOC_AM33XX
Magnus Dammc1b2d972010-07-05 10:00:11 +01001732 default "9" if SA1111
1733 default "11"
1734 help
1735 The kernel memory allocator divides physically contiguous memory
1736 blocks into "zones", where each zone is a power of two number of
1737 pages. This option selects the largest power of two that the kernel
1738 keeps in the memory allocator. If you need to allocate very large
1739 blocks of physically contiguous memory, then you may need to
1740 increase this value.
1741
1742 This config option is actually maximum order plus one. For example,
1743 a value of 11 means that the largest free memory block is 2^10 pages.
1744
Linus Torvalds1da177e2005-04-16 15:20:36 -07001745config ALIGNMENT_TRAP
1746 bool
Hyok S. Choif12d0d72006-09-26 17:36:37 +09001747 depends on CPU_CP15_MMU
Linus Torvalds1da177e2005-04-16 15:20:36 -07001748 default y if !ARCH_EBSA110
Russell Kinge119bff2010-01-10 17:23:29 +00001749 select HAVE_PROC_CPU if PROC_FS
Linus Torvalds1da177e2005-04-16 15:20:36 -07001750 help
Matt LaPlante84eb8d02006-10-03 22:53:09 +02001751 ARM processors cannot fetch/store information which is not
Linus Torvalds1da177e2005-04-16 15:20:36 -07001752 naturally aligned on the bus, i.e., a 4 byte fetch must start at an
1753 address divisible by 4. On 32-bit ARM processors, these non-aligned
1754 fetch/store instructions will be emulated in software if you say
1755 here, which has a severe performance impact. This is necessary for
1756 correct operation of some network protocols. With an IP-only
1757 configuration it is safe to say N, otherwise say Y.
1758
Lennert Buytenhek39ec58f2009-03-09 14:30:09 -04001759config UACCESS_WITH_MEMCPY
Linus Walleij38ef2ad2012-09-10 16:36:37 +01001760 bool "Use kernel mem{cpy,set}() for {copy_to,clear}_user()"
1761 depends on MMU
Lennert Buytenhek39ec58f2009-03-09 14:30:09 -04001762 default y if CPU_FEROCEON
1763 help
1764 Implement faster copy_to_user and clear_user methods for CPU
1765 cores where a 8-word STM instruction give significantly higher
1766 memory write throughput than a sequence of individual 32bit stores.
1767
1768 A possible side effect is a slight increase in scheduling latency
1769 between threads sharing the same address space if they invoke
1770 such copy operations with large buffers.
1771
1772 However, if the CPU data cache is using a write-allocate mode,
1773 this option is unlikely to provide any performance gain.
1774
Nicolas Pitre70c70d92010-08-26 15:08:35 -07001775config SECCOMP
1776 bool
1777 prompt "Enable seccomp to safely compute untrusted bytecode"
1778 ---help---
1779 This kernel feature is useful for number crunching applications
1780 that may need to compute untrusted bytecode during their
1781 execution. By using pipes or other transports made available to
1782 the process as file descriptors supporting the read/write
1783 syscalls, it's possible to isolate those applications in
1784 their own address space using seccomp. Once seccomp is
1785 enabled via prctl(PR_SET_SECCOMP), it cannot be disabled
1786 and the task is only allowed to execute a few safe syscalls
1787 defined by each seccomp mode.
1788
Nicolas Pitrec743f382010-05-24 23:55:42 -04001789config CC_STACKPROTECTOR
1790 bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)"
1791 help
1792 This option turns on the -fstack-protector GCC feature. This
1793 feature puts, at the beginning of functions, a canary value on
1794 the stack just before the return address, and validates
1795 the value just before actually returning. Stack based buffer
1796 overflows (that need to overwrite this return address) now also
1797 overwrite the canary, which gets detected and the attack is then
1798 neutralized via a kernel panic.
1799 This feature requires gcc version 4.2 or above.
1800
Stefano Stabellinieff8d642012-09-17 14:58:17 +00001801config XEN_DOM0
1802 def_bool y
1803 depends on XEN
1804
1805config XEN
1806 bool "Xen guest support on ARM (EXPERIMENTAL)"
Ian Campbell85323a92013-03-07 07:17:25 +00001807 depends on ARM && AEABI && OF
Arnd Bergmannf880b672012-10-09 10:33:52 +00001808 depends on CPU_V7 && !CPU_V6
Ian Campbell85323a92013-03-07 07:17:25 +00001809 depends on !GENERIC_ATOMIC64
Stefano Stabellini17b7ab82013-04-24 18:47:18 +00001810 select ARM_PSCI
Stefano Stabellinieff8d642012-09-17 14:58:17 +00001811 help
1812 Say Y if you want to run Linux in a Virtual Machine on Xen on ARM.
1813
Linus Torvalds1da177e2005-04-16 15:20:36 -07001814endmenu
1815
1816menu "Boot options"
1817
Grant Likely9eb8f672011-04-28 14:27:20 -06001818config USE_OF
1819 bool "Flattened Device Tree support"
Russell Kingb1b3f492012-10-06 17:12:25 +01001820 select IRQ_DOMAIN
Grant Likely9eb8f672011-04-28 14:27:20 -06001821 select OF
1822 select OF_EARLY_FLATTREE
1823 help
1824 Include support for flattened device tree machine descriptions.
1825
Nicolas Pitrebd51e2f2012-09-01 03:03:25 +01001826config ATAGS
1827 bool "Support for the traditional ATAGS boot data passing" if USE_OF
1828 default y
1829 help
1830 This is the traditional way of passing data to the kernel at boot
1831 time. If you are solely relying on the flattened device tree (or
1832 the ARM_ATAG_DTB_COMPAT option) then you may unselect this option
1833 to remove ATAGS support from your kernel binary. If unsure,
1834 leave this to y.
1835
1836config DEPRECATED_PARAM_STRUCT
1837 bool "Provide old way to pass kernel parameters"
1838 depends on ATAGS
1839 help
1840 This was deprecated in 2001 and announced to live on for 5 years.
1841 Some old boot loaders still use this way.
1842
Linus Torvalds1da177e2005-04-16 15:20:36 -07001843# Compressed boot loader in ROM. Yes, we really want to ask about
1844# TEXT and BSS so we preserve their values in the config files.
1845config ZBOOT_ROM_TEXT
1846 hex "Compressed ROM boot loader base address"
1847 default "0"
1848 help
1849 The physical address at which the ROM-able zImage is to be
1850 placed in the target. Platforms which normally make use of
1851 ROM-able zImage formats normally set this to a suitable
1852 value in their defconfig file.
1853
1854 If ZBOOT_ROM is not enabled, this has no effect.
1855
1856config ZBOOT_ROM_BSS
1857 hex "Compressed ROM boot loader BSS address"
1858 default "0"
1859 help
Dan Fandrichf8c440b2006-09-20 23:28:51 +01001860 The base address of an area of read/write memory in the target
1861 for the ROM-able zImage which must be available while the
1862 decompressor is running. It must be large enough to hold the
1863 entire decompressed kernel plus an additional 128 KiB.
1864 Platforms which normally make use of ROM-able zImage formats
1865 normally set this to a suitable value in their defconfig file.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001866
1867 If ZBOOT_ROM is not enabled, this has no effect.
1868
1869config ZBOOT_ROM
1870 bool "Compressed boot loader in ROM/flash"
1871 depends on ZBOOT_ROM_TEXT != ZBOOT_ROM_BSS
1872 help
1873 Say Y here if you intend to execute your compressed kernel image
1874 (zImage) directly from ROM or flash. If unsure, say N.
1875
Simon Horman090ab3f2011-04-26 06:29:53 +01001876choice
1877 prompt "Include SD/MMC loader in zImage (EXPERIMENTAL)"
Kees Cookd6f94fa2013-01-16 18:53:14 -08001878 depends on ZBOOT_ROM && ARCH_SH7372
Simon Horman090ab3f2011-04-26 06:29:53 +01001879 default ZBOOT_ROM_NONE
1880 help
1881 Include experimental SD/MMC loading code in the ROM-able zImage.
Masanari Iida59bf8962012-04-18 00:01:21 +09001882 With this enabled it is possible to write the ROM-able zImage
Simon Horman090ab3f2011-04-26 06:29:53 +01001883 kernel image to an MMC or SD card and boot the kernel straight
1884 from the reset vector. At reset the processor Mask ROM will load
Masanari Iida59bf8962012-04-18 00:01:21 +09001885 the first part of the ROM-able zImage which in turn loads the
Simon Horman090ab3f2011-04-26 06:29:53 +01001886 rest the kernel image to RAM.
1887
1888config ZBOOT_ROM_NONE
1889 bool "No SD/MMC loader in zImage (EXPERIMENTAL)"
1890 help
1891 Do not load image from SD or MMC
1892
Simon Hormanf45b1142011-01-11 04:01:08 +01001893config ZBOOT_ROM_MMCIF
1894 bool "Include MMCIF loader in zImage (EXPERIMENTAL)"
Simon Hormanf45b1142011-01-11 04:01:08 +01001895 help
Simon Horman090ab3f2011-04-26 06:29:53 +01001896 Load image from MMCIF hardware block.
1897
1898config ZBOOT_ROM_SH_MOBILE_SDHI
1899 bool "Include SuperH Mobile SDHI loader in zImage (EXPERIMENTAL)"
1900 help
1901 Load image from SDHI hardware block
1902
1903endchoice
Simon Hormanf45b1142011-01-11 04:01:08 +01001904
John Bonesioe2a6a3a2011-05-27 18:45:50 -04001905config ARM_APPENDED_DTB
1906 bool "Use appended device tree blob to zImage (EXPERIMENTAL)"
Kees Cookd6f94fa2013-01-16 18:53:14 -08001907 depends on OF && !ZBOOT_ROM
John Bonesioe2a6a3a2011-05-27 18:45:50 -04001908 help
1909 With this option, the boot code will look for a device tree binary
1910 (DTB) appended to zImage
1911 (e.g. cat zImage <filename>.dtb > zImage_w_dtb).
1912
1913 This is meant as a backward compatibility convenience for those
1914 systems with a bootloader that can't be upgraded to accommodate
1915 the documented boot protocol using a device tree.
1916
1917 Beware that there is very little in terms of protection against
1918 this option being confused by leftover garbage in memory that might
1919 look like a DTB header after a reboot if no actual DTB is appended
1920 to zImage. Do not leave this option active in a production kernel
1921 if you don't intend to always append a DTB. Proper passing of the
1922 location into r2 of a bootloader provided DTB is always preferable
1923 to this option.
1924
Nicolas Pitreb90b9a32011-09-13 22:37:07 -04001925config ARM_ATAG_DTB_COMPAT
1926 bool "Supplement the appended DTB with traditional ATAG information"
1927 depends on ARM_APPENDED_DTB
1928 help
1929 Some old bootloaders can't be updated to a DTB capable one, yet
1930 they provide ATAGs with memory configuration, the ramdisk address,
1931 the kernel cmdline string, etc. Such information is dynamically
1932 provided by the bootloader and can't always be stored in a static
1933 DTB. To allow a device tree enabled kernel to be used with such
1934 bootloaders, this option allows zImage to extract the information
1935 from the ATAG list and store it at run time into the appended DTB.
1936
Genoud Richardd0f34a12012-06-26 16:37:59 +01001937choice
1938 prompt "Kernel command line type" if ARM_ATAG_DTB_COMPAT
1939 default ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER
1940
1941config ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER
1942 bool "Use bootloader kernel arguments if available"
1943 help
1944 Uses the command-line options passed by the boot loader instead of
1945 the device tree bootargs property. If the boot loader doesn't provide
1946 any, the device tree bootargs property will be used.
1947
1948config ARM_ATAG_DTB_COMPAT_CMDLINE_EXTEND
1949 bool "Extend with bootloader kernel arguments"
1950 help
1951 The command-line arguments provided by the boot loader will be
1952 appended to the the device tree bootargs property.
1953
1954endchoice
1955
Linus Torvalds1da177e2005-04-16 15:20:36 -07001956config CMDLINE
1957 string "Default kernel command string"
1958 default ""
1959 help
1960 On some architectures (EBSA110 and CATS), there is currently no way
1961 for the boot loader to pass arguments to the kernel. For these
1962 architectures, you should supply some command-line options at build
1963 time by entering them here. As a minimum, you should specify the
1964 memory size and the root device (e.g., mem=64M root=/dev/nfs).
1965
Victor Boivie4394c122011-05-04 17:07:55 +01001966choice
1967 prompt "Kernel command line type" if CMDLINE != ""
1968 default CMDLINE_FROM_BOOTLOADER
Nicolas Pitrebd51e2f2012-09-01 03:03:25 +01001969 depends on ATAGS
Victor Boivie4394c122011-05-04 17:07:55 +01001970
1971config CMDLINE_FROM_BOOTLOADER
1972 bool "Use bootloader kernel arguments if available"
1973 help
1974 Uses the command-line options passed by the boot loader. If
1975 the boot loader doesn't provide any, the default kernel command
1976 string provided in CMDLINE will be used.
1977
1978config CMDLINE_EXTEND
1979 bool "Extend bootloader kernel arguments"
1980 help
1981 The command-line arguments provided by the boot loader will be
1982 appended to the default kernel command string.
1983
Alexander Holler92d20402010-02-16 19:04:53 +01001984config CMDLINE_FORCE
1985 bool "Always use the default kernel command string"
Alexander Holler92d20402010-02-16 19:04:53 +01001986 help
1987 Always use the default kernel command string, even if the boot
1988 loader passes other arguments to the kernel.
1989 This is useful if you cannot or don't want to change the
1990 command-line options your boot loader passes to the kernel.
Victor Boivie4394c122011-05-04 17:07:55 +01001991endchoice
Alexander Holler92d20402010-02-16 19:04:53 +01001992
Linus Torvalds1da177e2005-04-16 15:20:36 -07001993config XIP_KERNEL
1994 bool "Kernel Execute-In-Place from ROM"
Rob Herring387798b2012-09-06 13:41:12 -05001995 depends on !ZBOOT_ROM && !ARM_LPAE && !ARCH_MULTIPLATFORM
Linus Torvalds1da177e2005-04-16 15:20:36 -07001996 help
1997 Execute-In-Place allows the kernel to run from non-volatile storage
1998 directly addressable by the CPU, such as NOR flash. This saves RAM
1999 space since the text section of the kernel is not loaded from flash
2000 to RAM. Read-write sections, such as the data section and stack,
2001 are still copied to RAM. The XIP kernel is not compressed since
2002 it has to run directly from flash, so it will take more space to
2003 store it. The flash address used to link the kernel object files,
2004 and for storing it, is configuration dependent. Therefore, if you
2005 say Y here, you must know the proper physical address where to
2006 store the kernel image depending on your own flash memory usage.
2007
2008 Also note that the make target becomes "make xipImage" rather than
2009 "make zImage" or "make Image". The final kernel binary to put in
2010 ROM memory will be arch/arm/boot/xipImage.
2011
2012 If unsure, say N.
2013
2014config XIP_PHYS_ADDR
2015 hex "XIP Kernel Physical Location"
2016 depends on XIP_KERNEL
2017 default "0x00080000"
2018 help
2019 This is the physical address in your flash memory the kernel will
2020 be linked for and stored to. This address is dependent on your
2021 own flash usage.
2022
Richard Purdiec587e4a2007-02-06 21:29:00 +01002023config KEXEC
2024 bool "Kexec system call (EXPERIMENTAL)"
Kees Cookd6f94fa2013-01-16 18:53:14 -08002025 depends on (!SMP || HOTPLUG_CPU)
Richard Purdiec587e4a2007-02-06 21:29:00 +01002026 help
2027 kexec is a system call that implements the ability to shutdown your
2028 current kernel, and to start another kernel. It is like a reboot
Matt LaPlante01dd2fb2007-10-20 01:34:40 +02002029 but it is independent of the system firmware. And like a reboot
Richard Purdiec587e4a2007-02-06 21:29:00 +01002030 you can start any kernel with it, not just Linux.
2031
2032 It is an ongoing process to be certain the hardware in a machine
2033 is properly shutdown, so do not be surprised if this code does not
2034 initially work for you. It may help to enable device hotplugging
2035 support.
2036
Richard Purdie4cd9d6f2008-01-02 00:56:46 +01002037config ATAGS_PROC
2038 bool "Export atags in procfs"
Nicolas Pitrebd51e2f2012-09-01 03:03:25 +01002039 depends on ATAGS && KEXEC
Uli Luckasb98d7292008-02-22 16:45:18 +01002040 default y
Richard Purdie4cd9d6f2008-01-02 00:56:46 +01002041 help
2042 Should the atags used to boot the kernel be exported in an "atags"
2043 file in procfs. Useful with kexec.
2044
Mika Westerbergcb5d39b2010-11-18 19:14:52 +01002045config CRASH_DUMP
2046 bool "Build kdump crash kernel (EXPERIMENTAL)"
Mika Westerbergcb5d39b2010-11-18 19:14:52 +01002047 help
2048 Generate crash dump after being started by kexec. This should
2049 be normally only set in special crash dump kernels which are
2050 loaded in the main kernel with kexec-tools into a specially
2051 reserved region and then later executed after a crash by
2052 kdump/kexec. The crash dump kernel must be compiled to a
2053 memory address not used by the main kernel
2054
2055 For more details see Documentation/kdump/kdump.txt
2056
Eric Miaoe69edc792010-07-05 15:56:50 +02002057config AUTO_ZRELADDR
2058 bool "Auto calculation of the decompressed kernel image address"
2059 depends on !ZBOOT_ROM && !ARCH_U300
2060 help
2061 ZRELADDR is the physical address where the decompressed kernel
2062 image will be placed. If AUTO_ZRELADDR is selected, the address
2063 will be determined at run-time by masking the current IP with
2064 0xf8000000. This assumes the zImage being placed in the first 128MB
2065 from start of memory.
2066
Linus Torvalds1da177e2005-04-16 15:20:36 -07002067endmenu
2068
Russell Kingac9d7ef2008-08-18 17:26:00 +01002069menu "CPU Power Management"
Linus Torvalds1da177e2005-04-16 15:20:36 -07002070
Ben Dooks89c52ed2009-07-30 23:23:24 +01002071if ARCH_HAS_CPUFREQ
Linus Torvalds1da177e2005-04-16 15:20:36 -07002072source "drivers/cpufreq/Kconfig"
2073
Ben Dooks9d56c022009-07-30 23:23:25 +01002074config CPU_FREQ_S3C
2075 bool
2076 help
2077 Internal configuration node for common cpufreq on Samsung SoC
2078
2079config CPU_FREQ_S3C24XX
Russell King4a50bfe2010-12-05 23:06:22 +00002080 bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
Kees Cookd6f94fa2013-01-16 18:53:14 -08002081 depends on ARCH_S3C24XX && CPU_FREQ
Ben Dooks9d56c022009-07-30 23:23:25 +01002082 select CPU_FREQ_S3C
2083 help
2084 This enables the CPUfreq driver for the Samsung S3C24XX family
2085 of CPUs.
2086
2087 For details, take a look at <file:Documentation/cpu-freq>.
2088
2089 If in doubt, say N.
2090
2091config CPU_FREQ_S3C24XX_PLL
Russell King4a50bfe2010-12-05 23:06:22 +00002092 bool "Support CPUfreq changing of PLL frequency (EXPERIMENTAL)"
Kees Cookd6f94fa2013-01-16 18:53:14 -08002093 depends on CPU_FREQ_S3C24XX
Ben Dooks9d56c022009-07-30 23:23:25 +01002094 help
2095 Compile in support for changing the PLL frequency from the
2096 S3C24XX series CPUfreq driver. The PLL takes time to settle
2097 after a frequency change, so by default it is not enabled.
2098
2099 This also means that the PLL tables for the selected CPU(s) will
2100 be built which may increase the size of the kernel image.
2101
2102config CPU_FREQ_S3C24XX_DEBUG
2103 bool "Debug CPUfreq Samsung driver core"
2104 depends on CPU_FREQ_S3C24XX
2105 help
2106 Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
2107
2108config CPU_FREQ_S3C24XX_IODEBUG
2109 bool "Debug CPUfreq Samsung driver IO timing"
2110 depends on CPU_FREQ_S3C24XX
2111 help
2112 Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
2113
Ben Dookse6d197a2009-07-30 23:23:42 +01002114config CPU_FREQ_S3C24XX_DEBUGFS
2115 bool "Export debugfs for CPUFreq"
2116 depends on CPU_FREQ_S3C24XX && DEBUG_FS
2117 help
2118 Export status information via debugfs.
2119
Linus Torvalds1da177e2005-04-16 15:20:36 -07002120endif
2121
Russell Kingac9d7ef2008-08-18 17:26:00 +01002122source "drivers/cpuidle/Kconfig"
2123
2124endmenu
2125
Linus Torvalds1da177e2005-04-16 15:20:36 -07002126menu "Floating point emulation"
2127
2128comment "At least one emulation must be selected"
2129
2130config FPE_NWFPE
2131 bool "NWFPE math emulation"
Dave Martin593c2522010-12-13 21:56:03 +01002132 depends on (!AEABI || OABI_COMPAT) && !THUMB2_KERNEL
Linus Torvalds1da177e2005-04-16 15:20:36 -07002133 ---help---
2134 Say Y to include the NWFPE floating point emulator in the kernel.
2135 This is necessary to run most binaries. Linux does not currently
2136 support floating point hardware so you need to say Y here even if
2137 your machine has an FPA or floating point co-processor podule.
2138
2139 You may say N here if you are going to load the Acorn FPEmulator
2140 early in the bootup.
2141
2142config FPE_NWFPE_XP
2143 bool "Support extended precision"
Lennert Buytenhekbedf1422005-11-07 21:12:08 +00002144 depends on FPE_NWFPE
Linus Torvalds1da177e2005-04-16 15:20:36 -07002145 help
2146 Say Y to include 80-bit support in the kernel floating-point
2147 emulator. Otherwise, only 32 and 64-bit support is compiled in.
2148 Note that gcc does not generate 80-bit operations by default,
2149 so in most cases this option only enlarges the size of the
2150 floating point emulator without any good reason.
2151
2152 You almost surely want to say N here.
2153
2154config FPE_FASTFPE
2155 bool "FastFPE math emulation (EXPERIMENTAL)"
Kees Cookd6f94fa2013-01-16 18:53:14 -08002156 depends on (!AEABI || OABI_COMPAT) && !CPU_32v3
Linus Torvalds1da177e2005-04-16 15:20:36 -07002157 ---help---
2158 Say Y here to include the FAST floating point emulator in the kernel.
2159 This is an experimental much faster emulator which now also has full
2160 precision for the mantissa. It does not support any exceptions.
2161 It is very simple, and approximately 3-6 times faster than NWFPE.
2162
2163 It should be sufficient for most programs. It may be not suitable
2164 for scientific calculations, but you have to check this for yourself.
2165 If you do not feel you need a faster FP emulation you should better
2166 choose NWFPE.
2167
2168config VFP
2169 bool "VFP-format floating point maths"
Russell Kinge399b1a2011-01-17 15:08:32 +00002170 depends on CPU_V6 || CPU_V6K || CPU_ARM926T || CPU_V7 || CPU_FEROCEON
Linus Torvalds1da177e2005-04-16 15:20:36 -07002171 help
2172 Say Y to include VFP support code in the kernel. This is needed
2173 if your hardware includes a VFP unit.
2174
2175 Please see <file:Documentation/arm/VFP/release-notes.txt> for
2176 release notes and additional status information.
2177
2178 Say N if your target does not have VFP hardware.
2179
Catalin Marinas25ebee02007-09-25 15:22:24 +01002180config VFPv3
2181 bool
2182 depends on VFP
2183 default y if CPU_V7
2184
Catalin Marinasb5872db2008-01-10 19:16:17 +01002185config NEON
2186 bool "Advanced SIMD (NEON) Extension support"
2187 depends on VFPv3 && CPU_V7
2188 help
2189 Say Y to include support code for NEON, the ARMv7 Advanced SIMD
2190 Extension.
2191
Linus Torvalds1da177e2005-04-16 15:20:36 -07002192endmenu
2193
2194menu "Userspace binary formats"
2195
2196source "fs/Kconfig.binfmt"
2197
2198config ARTHUR
2199 tristate "RISC OS personality"
Nicolas Pitre704bdda02006-01-14 16:33:50 +00002200 depends on !AEABI
Linus Torvalds1da177e2005-04-16 15:20:36 -07002201 help
2202 Say Y here to include the kernel code necessary if you want to run
2203 Acorn RISC OS/Arthur binaries under Linux. This code is still very
2204 experimental; if this sounds frightening, say N and sleep in peace.
2205 You can also say M here to compile this support as a module (which
2206 will be called arthur).
2207
2208endmenu
2209
2210menu "Power management options"
2211
Russell Kingeceab4a2005-11-15 11:31:41 +00002212source "kernel/power/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07002213
Johannes Bergf4cb5702007-12-08 02:14:00 +01002214config ARCH_SUSPEND_POSSIBLE
Stephen Warren4b1082c2012-09-05 09:58:27 -06002215 depends on !ARCH_S5PC100
Russell King6a786182011-04-02 10:15:28 +01002216 depends on CPU_ARM920T || CPU_ARM926T || CPU_SA1100 || \
Chao Xie3f5d0812012-05-07 11:23:58 +08002217 CPU_V6 || CPU_V6K || CPU_V7 || CPU_XSC3 || CPU_XSCALE || CPU_MOHAWK
Johannes Bergf4cb5702007-12-08 02:14:00 +01002218 def_bool y
2219
Arnd Bergmann15e0d9e2011-10-01 21:09:39 +02002220config ARM_CPU_SUSPEND
2221 def_bool PM_SLEEP
2222
Linus Torvalds1da177e2005-04-16 15:20:36 -07002223endmenu
2224
Sam Ravnborgd5950b42005-07-11 21:03:49 -07002225source "net/Kconfig"
2226
Uwe Kleine-Königac251502009-08-13 21:09:21 +02002227source "drivers/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07002228
2229source "fs/Kconfig"
2230
Linus Torvalds1da177e2005-04-16 15:20:36 -07002231source "arch/arm/Kconfig.debug"
2232
2233source "security/Kconfig"
2234
2235source "crypto/Kconfig"
2236
2237source "lib/Kconfig"
Christoffer Dall749cf76c2013-01-20 18:28:06 -05002238
2239source "arch/arm/kvm/Kconfig"