blob: aa8dcfc279034e0bb936ea7352cac27fe928e349 [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
Russell Kingb1b3f492012-10-06 17:12:25 +0100698 select HAVE_CLK
Kukjin Kim20676c12010-11-13 16:08:32 +0900699 select HAVE_S3C2410_I2C if I2C
Kukjin Kimb130d5c2012-02-03 14:29:23 +0900700 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Russell Kingb1b3f492012-10-06 17:12:25 +0100701 select HAVE_S3C_RTC if RTC_CLASS
Heiko Stuebner17453dd2013-03-07 12:38:25 +0900702 select MULTI_IRQ_HANDLER
Rob Herring01464222012-08-28 13:06:41 -0500703 select NEED_MACH_GPIO_H
Rob Herringc334bc12012-03-04 22:03:33 -0600704 select NEED_MACH_IO_H
Tomasz Figacd8dc7a2013-06-15 09:01:49 +0900705 select SAMSUNG_ATAGS
Linus Torvalds1da177e2005-04-16 15:20:36 -0700706 help
Kukjin Kimb130d5c2012-02-03 14:29:23 +0900707 Samsung S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443
708 and S3C2450 SoCs based systems, such as the Simtec Electronics BAST
709 (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or the
710 Samsung SMDK2410 development board (and derivatives).
Ben Dooks63b1f512010-04-30 16:32:26 +0900711
Ben Dooksa08ab632008-10-21 14:06:39 +0100712config ARCH_S3C64XX
713 bool "Samsung S3C64XX"
Ben Dooks89c52ed2009-07-30 23:23:24 +0100714 select ARCH_HAS_CPUFREQ
Ben Dooks89f0ce72010-01-26 15:49:15 +0900715 select ARCH_REQUIRE_GPIOLIB
Russell Kingb1b3f492012-10-06 17:12:25 +0100716 select ARM_VIC
717 select CLKDEV_LOOKUP
Romain Naour04a49b72013-01-09 18:47:04 -0800718 select CLKSRC_MMIO
Russell Kingb1b3f492012-10-06 17:12:25 +0100719 select CPU_V6
Romain Naour04a49b72013-01-09 18:47:04 -0800720 select GENERIC_CLOCKEVENTS
Russell Kingb1b3f492012-10-06 17:12:25 +0100721 select HAVE_CLK
Kukjin Kim20676c12010-11-13 16:08:32 +0900722 select HAVE_S3C2410_I2C if I2C
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900723 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Russell Kingb1b3f492012-10-06 17:12:25 +0100724 select HAVE_TCM
Rob Herring01464222012-08-28 13:06:41 -0500725 select NEED_MACH_GPIO_H
Russell Kingb1b3f492012-10-06 17:12:25 +0100726 select NO_IOPORT
727 select PLAT_SAMSUNG
728 select S3C_DEV_NAND
729 select S3C_GPIO_TRACK
Tomasz Figacd8dc7a2013-06-15 09:01:49 +0900730 select SAMSUNG_ATAGS
Russell Kingb1b3f492012-10-06 17:12:25 +0100731 select SAMSUNG_CLKSRC
732 select SAMSUNG_GPIOLIB_4BIT
733 select SAMSUNG_IRQ_VIC_TIMER
734 select USB_ARCH_HAS_OHCI
Ben Dooksa08ab632008-10-21 14:06:39 +0100735 help
736 Samsung S3C64XX series based systems
737
Kukjin Kim49b7a492010-09-07 15:47:18 +0900738config ARCH_S5P64X0
739 bool "Samsung S5P6440 S5P6450"
Thomas Abrahamd8b22d22011-06-14 19:12:27 +0900740 select CLKDEV_LOOKUP
Chanwoo Choi0665ccc2011-07-18 15:07:14 +0900741 select CLKSRC_MMIO
Russell Kingb1b3f492012-10-06 17:12:25 +0100742 select CPU_V6
Sangbeom Kim9e65bbf2011-03-12 08:05:19 +0900743 select GENERIC_CLOCKEVENTS
Russell Kingb1b3f492012-10-06 17:12:25 +0100744 select HAVE_CLK
Kukjin Kim20676c12010-11-13 16:08:32 +0900745 select HAVE_S3C2410_I2C if I2C
Russell Kingb1b3f492012-10-06 17:12:25 +0100746 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Kukjin Kim754961a2010-11-13 16:11:46 +0900747 select HAVE_S3C_RTC if RTC_CLASS
Rob Herring01464222012-08-28 13:06:41 -0500748 select NEED_MACH_GPIO_H
Tomasz Figacd8dc7a2013-06-15 09:01:49 +0900749 select SAMSUNG_ATAGS
Kukjin Kimc4ffccd2010-01-14 08:19:36 +0900750 help
Kukjin Kim49b7a492010-09-07 15:47:18 +0900751 Samsung S5P64X0 CPU based systems, such as the Samsung SMDK6440,
752 SMDK6450.
Kukjin Kimc4ffccd2010-01-14 08:19:36 +0900753
Marek Szyprowskiacc84702010-05-20 07:51:08 +0200754config ARCH_S5PC100
755 bool "Samsung S5PC100"
Kukjin Kim53650432013-04-04 09:04:30 +0900756 select ARCH_REQUIRE_GPIOLIB
Thomas Abraham29e8eb02011-06-14 19:12:27 +0900757 select CLKDEV_LOOKUP
Romain Naour6a5a2e32013-01-09 18:47:04 -0800758 select CLKSRC_MMIO
Byungho Min5a7652f2009-06-23 21:39:42 +0900759 select CPU_V7
Romain Naour6a5a2e32013-01-09 18:47:04 -0800760 select GENERIC_CLOCKEVENTS
Russell Kingb1b3f492012-10-06 17:12:25 +0100761 select HAVE_CLK
Kukjin Kim20676c12010-11-13 16:08:32 +0900762 select HAVE_S3C2410_I2C if I2C
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900763 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Russell Kingb1b3f492012-10-06 17:12:25 +0100764 select HAVE_S3C_RTC if RTC_CLASS
Rob Herring01464222012-08-28 13:06:41 -0500765 select NEED_MACH_GPIO_H
Tomasz Figacd8dc7a2013-06-15 09:01:49 +0900766 select SAMSUNG_ATAGS
Byungho Min5a7652f2009-06-23 21:39:42 +0900767 help
Marek Szyprowskiacc84702010-05-20 07:51:08 +0200768 Samsung S5PC100 series based systems
Byungho Min5a7652f2009-06-23 21:39:42 +0900769
Kukjin Kim170f4e42010-02-24 16:40:44 +0900770config ARCH_S5PV210
771 bool "Samsung S5PV210/S5PC110"
Russell Kingb1b3f492012-10-06 17:12:25 +0100772 select ARCH_HAS_CPUFREQ
Kamil Debski0f75a962011-07-21 16:42:30 +0900773 select ARCH_HAS_HOLES_MEMORYMODEL
Russell Kingb1b3f492012-10-06 17:12:25 +0100774 select ARCH_SPARSEMEM_ENABLE
Thomas Abrahamb2a9dd42011-06-14 19:12:27 +0900775 select CLKDEV_LOOKUP
Chanwoo Choi0665ccc2011-07-18 15:07:14 +0900776 select CLKSRC_MMIO
Russell Kingb1b3f492012-10-06 17:12:25 +0100777 select CPU_V7
Sangbeom Kim9e65bbf2011-03-12 08:05:19 +0900778 select GENERIC_CLOCKEVENTS
Russell Kingb1b3f492012-10-06 17:12:25 +0100779 select HAVE_CLK
Kukjin Kim20676c12010-11-13 16:08:32 +0900780 select HAVE_S3C2410_I2C if I2C
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900781 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Russell Kingb1b3f492012-10-06 17:12:25 +0100782 select HAVE_S3C_RTC if RTC_CLASS
Rob Herring01464222012-08-28 13:06:41 -0500783 select NEED_MACH_GPIO_H
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400784 select NEED_MACH_MEMORY_H
Tomasz Figacd8dc7a2013-06-15 09:01:49 +0900785 select SAMSUNG_ATAGS
Kukjin Kim170f4e42010-02-24 16:40:44 +0900786 help
787 Samsung S5PV210/S5PC110 series based systems
788
Kukjin Kim83014572011-11-06 13:54:56 +0900789config ARCH_EXYNOS
Russell King93e22562012-10-12 14:20:52 +0100790 bool "Samsung EXYNOS"
Russell Kingb1b3f492012-10-06 17:12:25 +0100791 select ARCH_HAS_CPUFREQ
Kamil Debski0f75a962011-07-21 16:42:30 +0900792 select ARCH_HAS_HOLES_MEMORYMODEL
Russell Kingb1b3f492012-10-06 17:12:25 +0100793 select ARCH_SPARSEMEM_ENABLE
794 select CLKDEV_LOOKUP
Olof Johansson340fcb52013-04-26 11:47:45 -0700795 select COMMON_CLK
Russell Kingb1b3f492012-10-06 17:12:25 +0100796 select CPU_V7
797 select GENERIC_CLOCKEVENTS
Changhwan Youncc0e72b2010-07-16 12:15:38 +0900798 select HAVE_CLK
Kukjin Kim20676c12010-11-13 16:08:32 +0900799 select HAVE_S3C2410_I2C if I2C
Kyungmin Parkc39d8d52010-11-13 16:01:59 +0900800 select HAVE_S3C2410_WATCHDOG if WATCHDOG
Russell Kingb1b3f492012-10-06 17:12:25 +0100801 select HAVE_S3C_RTC if RTC_CLASS
Rob Herring01464222012-08-28 13:06:41 -0500802 select NEED_MACH_GPIO_H
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400803 select NEED_MACH_MEMORY_H
Tomasz Figacd8dc7a2013-06-15 09:01:49 +0900804 select SAMSUNG_ATAGS
Tomasz Figaf8b1ac02013-06-15 09:01:11 +0900805 select USE_OF
Changhwan Youncc0e72b2010-07-16 12:15:38 +0900806 help
Kukjin Kim83014572011-11-06 13:54:56 +0900807 Support for SAMSUNG's EXYNOS SoCs (EXYNOS4/5)
Changhwan Youncc0e72b2010-07-16 12:15:38 +0900808
Linus Torvalds1da177e2005-04-16 15:20:36 -0700809config ARCH_SHARK
810 bool "Shark"
Russell Kingb1b3f492012-10-06 17:12:25 +0100811 select ARCH_USES_GETTIMEOFFSET
Russell Kingc7508152008-10-26 10:55:14 +0000812 select CPU_SA110
Russell Kingf7e68bb2005-05-05 14:49:01 +0100813 select ISA
814 select ISA_DMA
Nicolas Pitre0cdc8b92011-09-02 22:26:55 -0400815 select NEED_MACH_MEMORY_H
Russell Kingb1b3f492012-10-06 17:12:25 +0100816 select PCI
Arnd Bergmannb4811ba2013-03-13 17:36:37 +0100817 select VIRT_TO_BUS
Russell Kingb1b3f492012-10-06 17:12:25 +0100818 select ZONE_DMA
Martin Michlmayrf999b8b2006-02-08 21:09:05 +0000819 help
820 Support for the StrongARM based Digital DNARD machine, also known
821 as "Shark" (<http://www.shark-linux.de/shark.html>).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700822
Linus Walleijd98aac72009-04-27 10:21:46 +0100823config ARCH_U300
824 bool "ST-Ericsson U300 Series"
825 depends on MMU
Russell Kingb1b3f492012-10-06 17:12:25 +0100826 select ARCH_REQUIRE_GPIOLIB
Linus Walleijd98aac72009-04-27 10:21:46 +0100827 select ARM_AMBA
Linus Walleij5485c1e2011-08-09 21:18:20 +0200828 select ARM_PATCH_PHYS_VIRT
Linus Walleijd98aac72009-04-27 10:21:46 +0100829 select ARM_VIC
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100830 select CLKDEV_LOOKUP
Russell Kingb1b3f492012-10-06 17:12:25 +0100831 select CLKSRC_MMIO
Linus Walleij50667d62012-06-19 23:44:25 +0200832 select COMMON_CLK
Russell Kingb1b3f492012-10-06 17:12:25 +0100833 select CPU_ARM926T
834 select GENERIC_CLOCKEVENTS
Russell Kingb1b3f492012-10-06 17:12:25 +0100835 select HAVE_TCM
Linus Walleija4fe2922012-08-13 13:49:45 +0200836 select SPARSE_IRQ
Linus Walleijd98aac72009-04-27 10:21:46 +0100837 help
838 Support for ST-Ericsson U300 series mobile platforms.
839
Kevin Hilman7c6337e2007-04-30 19:37:19 +0100840config ARCH_DAVINCI
841 bool "TI DaVinci"
Russell Kingb1b3f492012-10-06 17:12:25 +0100842 select ARCH_HAS_HOLES_MEMORYMODEL
David Brownelldce11152008-09-07 23:41:04 -0700843 select ARCH_REQUIRE_GPIOLIB
Jean-Christop PLAGNIOL-VILLARD6d803ba2010-11-17 10:04:33 +0100844 select CLKDEV_LOOKUP
David Brownell20e99692009-05-07 09:31:42 -0700845 select GENERIC_ALLOCATOR
Russell Kingb1b3f492012-10-06 17:12:25 +0100846 select GENERIC_CLOCKEVENTS
Russell Kingdc7ad3b2011-05-22 10:01:21 +0100847 select GENERIC_IRQ_CHIP
Russell Kingb1b3f492012-10-06 17:12:25 +0100848 select HAVE_IDE
Rob Herring01464222012-08-28 13:06:41 -0500849 select NEED_MACH_GPIO_H
Sekhar Nori689e3312012-08-28 15:27:52 +0530850 select USE_OF
Russell Kingb1b3f492012-10-06 17:12:25 +0100851 select ZONE_DMA
Kevin Hilman7c6337e2007-04-30 19:37:19 +0100852 help
853 Support for TI's DaVinci platform.
854
Tony Lindgrena0694862013-01-11 11:24:20 -0800855config ARCH_OMAP1
856 bool "TI OMAP1"
Arnd Bergmann00a36692012-06-07 18:50:51 -0600857 depends on MMU
Ben Dooks89c52ed2009-07-30 23:23:24 +0100858 select ARCH_HAS_CPUFREQ
Russell Kingb1b3f492012-10-06 17:12:25 +0100859 select ARCH_HAS_HOLES_MEMORYMODEL
Tony Lindgrena0694862013-01-11 11:24:20 -0800860 select ARCH_OMAP
Alexey Charkov21f47fb2010-12-23 13:11:21 +0100861 select ARCH_REQUIRE_GPIOLIB
Tony Priske9a91de2012-08-03 21:00:06 +1200862 select CLKDEV_LOOKUP
viresh kumarcee37e52010-04-01 12:31:05 +0100863 select CLKSRC_MMIO
Russell Kingb1b3f492012-10-06 17:12:25 +0100864 select GENERIC_CLOCKEVENTS
Tony Lindgrena0694862013-01-11 11:24:20 -0800865 select GENERIC_IRQ_CHIP
Russell Kingb1b3f492012-10-06 17:12:25 +0100866 select HAVE_CLK
Tony Lindgrena0694862013-01-11 11:24:20 -0800867 select HAVE_IDE
868 select IRQ_DOMAIN
869 select NEED_MACH_IO_H if PCCARD
870 select NEED_MACH_MEMORY_H
Alexey Charkov21f47fb2010-12-23 13:11:21 +0100871 help
Tony Lindgrena0694862013-01-11 11:24:20 -0800872 Support for older TI OMAP1 (omap7xx, omap15xx or omap16xx)
Binghua Duan02c981c2011-07-08 17:40:12 +0800873
Linus Torvalds1da177e2005-04-16 15:20:36 -0700874endchoice
875
Rob Herring387798b2012-09-06 13:41:12 -0500876menu "Multiple platform selection"
877 depends on ARCH_MULTIPLATFORM
878
879comment "CPU Core family selection"
880
881config ARCH_MULTI_V4
882 bool "ARMv4 based platforms (FA526, StrongARM)"
Rob Herring387798b2012-09-06 13:41:12 -0500883 depends on !ARCH_MULTI_V6_V7
Russell Kingb1b3f492012-10-06 17:12:25 +0100884 select ARCH_MULTI_V4_V5
Rob Herring387798b2012-09-06 13:41:12 -0500885
886config ARCH_MULTI_V4T
887 bool "ARMv4T based platforms (ARM720T, ARM920T, ...)"
Rob Herring387798b2012-09-06 13:41:12 -0500888 depends on !ARCH_MULTI_V6_V7
Russell Kingb1b3f492012-10-06 17:12:25 +0100889 select ARCH_MULTI_V4_V5
Rob Herring387798b2012-09-06 13:41:12 -0500890
891config ARCH_MULTI_V5
892 bool "ARMv5 based platforms (ARM926T, XSCALE, PJ1, ...)"
Rob Herring387798b2012-09-06 13:41:12 -0500893 depends on !ARCH_MULTI_V6_V7
Russell Kingb1b3f492012-10-06 17:12:25 +0100894 select ARCH_MULTI_V4_V5
Rob Herring387798b2012-09-06 13:41:12 -0500895
896config ARCH_MULTI_V4_V5
897 bool
898
899config ARCH_MULTI_V6
Stephen Boyd8dda05c2013-03-04 15:19:19 -0800900 bool "ARMv6 based platforms (ARM11)"
Rob Herring387798b2012-09-06 13:41:12 -0500901 select ARCH_MULTI_V6_V7
Russell Kingb1b3f492012-10-06 17:12:25 +0100902 select CPU_V6
Rob Herring387798b2012-09-06 13:41:12 -0500903
904config ARCH_MULTI_V7
Stephen Boyd8dda05c2013-03-04 15:19:19 -0800905 bool "ARMv7 based platforms (Cortex-A, PJ4, Scorpion, Krait)"
Rob Herring387798b2012-09-06 13:41:12 -0500906 default y
907 select ARCH_MULTI_V6_V7
Russell Kingb1b3f492012-10-06 17:12:25 +0100908 select CPU_V7
Rob Herring387798b2012-09-06 13:41:12 -0500909
910config ARCH_MULTI_V6_V7
911 bool
912
913config ARCH_MULTI_CPU_AUTO
914 def_bool !(ARCH_MULTI_V4 || ARCH_MULTI_V4T || ARCH_MULTI_V6_V7)
915 select ARCH_MULTI_V5
916
917endmenu
918
Russell Kingccf50e22010-03-15 19:03:06 +0000919#
920# This is sorted alphabetically by mach-* pathname. However, plat-*
921# Kconfigs may be included either alphabetically (according to the
922# plat- suffix) or along side the corresponding mach-* source.
923#
Gregory CLEMENT3e93a222012-06-04 18:38:56 +0200924source "arch/arm/mach-mvebu/Kconfig"
925
Russell King95b8f202010-01-14 11:43:54 +0000926source "arch/arm/mach-at91/Kconfig"
927
Christian Daudt8ac49e02012-11-19 09:46:10 -0800928source "arch/arm/mach-bcm/Kconfig"
929
Stephen Warrenf1ac9222013-03-11 22:40:18 -0600930source "arch/arm/mach-bcm2835/Kconfig"
931
Linus Torvalds1da177e2005-04-16 15:20:36 -0700932source "arch/arm/mach-clps711x/Kconfig"
933
Anton Vorontsovd94f9442010-03-25 17:12:41 +0300934source "arch/arm/mach-cns3xxx/Kconfig"
935
Russell King95b8f202010-01-14 11:43:54 +0000936source "arch/arm/mach-davinci/Kconfig"
937
938source "arch/arm/mach-dove/Kconfig"
939
Lennert Buytenheke7736d42006-03-20 17:10:13 +0000940source "arch/arm/mach-ep93xx/Kconfig"
941
Linus Torvalds1da177e2005-04-16 15:20:36 -0700942source "arch/arm/mach-footbridge/Kconfig"
943
Paulius Zaleckas59d3a192009-03-26 10:06:08 +0200944source "arch/arm/mach-gemini/Kconfig"
945
Rob Herring387798b2012-09-06 13:41:12 -0500946source "arch/arm/mach-highbank/Kconfig"
947
Linus Torvalds1da177e2005-04-16 15:20:36 -0700948source "arch/arm/mach-integrator/Kconfig"
949
Lennert Buytenhek3f7e5812006-09-18 23:10:26 +0100950source "arch/arm/mach-iop32x/Kconfig"
951
952source "arch/arm/mach-iop33x/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700953
Dan Williams285f5fa2006-12-07 02:59:39 +0100954source "arch/arm/mach-iop13xx/Kconfig"
955
Linus Torvalds1da177e2005-04-16 15:20:36 -0700956source "arch/arm/mach-ixp4xx/Kconfig"
957
Russell King95b8f202010-01-14 11:43:54 +0000958source "arch/arm/mach-kirkwood/Kconfig"
959
960source "arch/arm/mach-ks8695/Kconfig"
961
Russell King95b8f202010-01-14 11:43:54 +0000962source "arch/arm/mach-msm/Kconfig"
963
Stanislav Samsonov794d15b2008-06-22 22:45:10 +0200964source "arch/arm/mach-mv78xx0/Kconfig"
965
Shawn Guo3995eb82012-09-13 19:48:07 +0800966source "arch/arm/mach-imx/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700967
Shawn Guo1d3f33d2010-12-13 20:55:03 +0800968source "arch/arm/mach-mxs/Kconfig"
969
Russell King95b8f202010-01-14 11:43:54 +0000970source "arch/arm/mach-netx/Kconfig"
Eric Miao49cbe782009-01-20 14:15:18 +0800971
Russell King95b8f202010-01-14 11:43:54 +0000972source "arch/arm/mach-nomadik/Kconfig"
Russell King95b8f202010-01-14 11:43:54 +0000973
Tony Lindgrend48af152005-07-10 19:58:17 +0100974source "arch/arm/plat-omap/Kconfig"
975
976source "arch/arm/mach-omap1/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700977
Tony Lindgren1dbae812005-11-10 14:26:51 +0000978source "arch/arm/mach-omap2/Kconfig"
979
Lennert Buytenhek9dd0b192008-03-27 14:51:41 -0400980source "arch/arm/mach-orion5x/Kconfig"
Tzachi Perelstein585cf172007-10-23 15:14:41 -0400981
Rob Herring387798b2012-09-06 13:41:12 -0500982source "arch/arm/mach-picoxcell/Kconfig"
983
Russell King95b8f202010-01-14 11:43:54 +0000984source "arch/arm/mach-pxa/Kconfig"
985source "arch/arm/plat-pxa/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700986
Russell King95b8f202010-01-14 11:43:54 +0000987source "arch/arm/mach-mmp/Kconfig"
988
989source "arch/arm/mach-realview/Kconfig"
990
991source "arch/arm/mach-sa1100/Kconfig"
Saeed Bisharaedabd382009-08-06 15:12:43 +0300992
Ben Dookscf383672009-11-10 00:14:58 +0000993source "arch/arm/plat-samsung/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +0100994
Rob Herring387798b2012-09-06 13:41:12 -0500995source "arch/arm/mach-socfpga/Kconfig"
996
Arnd Bergmanna7ed0992012-12-02 15:12:47 +0100997source "arch/arm/mach-spear/Kconfig"
Ben Dooksa21765a2007-02-11 18:31:01 +0100998
Kukjin Kim85fd6d62012-02-06 09:38:19 +0900999source "arch/arm/mach-s3c24xx/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001000
Ben Dooksa08ab632008-10-21 14:06:39 +01001001if ARCH_S3C64XX
Ben Dooks431107e2010-01-26 10:11:04 +09001002source "arch/arm/mach-s3c64xx/Kconfig"
Ben Dooksa08ab632008-10-21 14:06:39 +01001003endif
1004
Kukjin Kim49b7a492010-09-07 15:47:18 +09001005source "arch/arm/mach-s5p64x0/Kconfig"
Kukjin Kimc4ffccd2010-01-14 08:19:36 +09001006
Byungho Min5a7652f2009-06-23 21:39:42 +09001007source "arch/arm/mach-s5pc100/Kconfig"
Byungho Min5a7652f2009-06-23 21:39:42 +09001008
Kukjin Kim170f4e42010-02-24 16:40:44 +09001009source "arch/arm/mach-s5pv210/Kconfig"
1010
Kukjin Kim83014572011-11-06 13:54:56 +09001011source "arch/arm/mach-exynos/Kconfig"
Changhwan Youncc0e72b2010-07-16 12:15:38 +09001012
Russell King882d01f2010-03-02 23:40:15 +00001013source "arch/arm/mach-shmobile/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001014
Maxime Ripard3b526342012-11-08 12:40:16 +01001015source "arch/arm/mach-sunxi/Kconfig"
1016
Barry Song156a0992012-08-23 13:41:58 +08001017source "arch/arm/mach-prima2/Kconfig"
1018
Erik Gillingc5f80062010-01-21 16:53:02 -08001019source "arch/arm/mach-tegra/Kconfig"
1020
Russell King95b8f202010-01-14 11:43:54 +00001021source "arch/arm/mach-u300/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001022
Russell King95b8f202010-01-14 11:43:54 +00001023source "arch/arm/mach-ux500/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001024
1025source "arch/arm/mach-versatile/Kconfig"
1026
Russell Kingceade892010-02-11 21:44:53 +00001027source "arch/arm/mach-vexpress/Kconfig"
Russell King420c34e2011-01-18 20:08:06 +00001028source "arch/arm/plat-versatile/Kconfig"
Russell Kingceade892010-02-11 21:44:53 +00001029
Marc Zyngier2a0ba732012-10-05 13:47:39 +01001030source "arch/arm/mach-virt/Kconfig"
1031
Tony Prisk6f35f9a2012-10-11 20:13:09 +13001032source "arch/arm/mach-vt8500/Kconfig"
1033
wanzongshun7ec80dd2008-12-03 03:55:38 +01001034source "arch/arm/mach-w90x900/Kconfig"
1035
Josh Cartwright9a45eb62012-11-19 11:38:29 -06001036source "arch/arm/mach-zynq/Kconfig"
1037
Linus Torvalds1da177e2005-04-16 15:20:36 -07001038# Definitions to make life easier
1039config ARCH_ACORN
1040 bool
1041
Lennert Buytenhek7ae1f7e2006-09-18 23:12:53 +01001042config PLAT_IOP
1043 bool
Mikael Pettersson469d30442009-10-29 11:46:54 -07001044 select GENERIC_CLOCKEVENTS
Lennert Buytenhek7ae1f7e2006-09-18 23:12:53 +01001045
Lennert Buytenhek69b02f62008-03-27 14:51:39 -04001046config PLAT_ORION
1047 bool
Russell Kingbfe45e02011-05-08 15:33:30 +01001048 select CLKSRC_MMIO
Russell Kingb1b3f492012-10-06 17:12:25 +01001049 select COMMON_CLK
Russell Kingdc7ad3b2011-05-22 10:01:21 +01001050 select GENERIC_IRQ_CHIP
Andrew Lunn278b45b2012-06-27 13:40:04 +02001051 select IRQ_DOMAIN
Lennert Buytenhek69b02f62008-03-27 14:51:39 -04001052
Thomas Petazzoniabcda1d2012-09-11 14:27:27 +02001053config PLAT_ORION_LEGACY
1054 bool
1055 select PLAT_ORION
1056
Eric Miaobd5ce432009-01-20 12:06:01 +08001057config PLAT_PXA
1058 bool
1059
Russell Kingf4b8b312010-01-14 12:48:06 +00001060config PLAT_VERSATILE
1061 bool
1062
Russell Kinge3887712010-01-14 13:30:16 +00001063config ARM_TIMER_SP804
1064 bool
Russell Kingbfe45e02011-05-08 15:33:30 +01001065 select CLKSRC_MMIO
Rob Herring7a0eca72013-03-25 11:23:52 -05001066 select CLKSRC_OF if OF
Russell Kinge3887712010-01-14 13:30:16 +00001067
Linus Torvalds1da177e2005-04-16 15:20:36 -07001068source arch/arm/mm/Kconfig
1069
Russell King958cab02011-12-11 10:04:00 +00001070config ARM_NR_BANKS
1071 int
1072 default 16 if ARCH_EP93XX
1073 default 8
1074
Lennert Buytenhekafe4b252006-12-03 18:51:14 +01001075config IWMMXT
Russell King698613b2013-04-03 16:33:26 +01001076 bool "Enable iWMMXt support" if !CPU_PJ4
Haojian Zhuangef6c8442010-11-24 11:54:25 +08001077 depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4
Russell King698613b2013-04-03 16:33:26 +01001078 default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4
Lennert Buytenhekafe4b252006-12-03 18:51:14 +01001079 help
1080 Enable support for iWMMXt context switching at run time if
1081 running on a CPU that supports it.
1082
Linus Torvalds1da177e2005-04-16 15:20:36 -07001083config XSCALE_PMU
1084 bool
Paul Bollebfc994b2011-10-30 12:51:41 +01001085 depends on CPU_XSCALE
Linus Torvalds1da177e2005-04-16 15:20:36 -07001086 default y
1087
eric miao52108642010-12-13 09:42:34 +01001088config MULTI_IRQ_HANDLER
1089 bool
1090 help
1091 Allow each machine to specify it's own IRQ handler at run time.
1092
Hyok S. Choi3b93e7b2006-06-22 11:48:56 +01001093if !MMU
1094source "arch/arm/Kconfig-nommu"
1095endif
1096
Will Deaconf0c4b8d2012-04-20 17:20:08 +01001097config ARM_ERRATA_326103
1098 bool "ARM errata: FSR write bit incorrect on a SWP to read-only memory"
1099 depends on CPU_V6
1100 help
1101 Executing a SWP instruction to read-only memory does not set bit 11
1102 of the FSR on the ARM 1136 prior to r1p0. This causes the kernel to
1103 treat the access as a read, preventing a COW from occurring and
1104 causing the faulting task to livelock.
1105
Catalin Marinas9cba3cc2009-04-30 17:06:03 +01001106config ARM_ERRATA_411920
1107 bool "ARM errata: Invalidation of the Instruction Cache operation can fail"
Russell Kinge399b1a2011-01-17 15:08:32 +00001108 depends on CPU_V6 || CPU_V6K
Catalin Marinas9cba3cc2009-04-30 17:06:03 +01001109 help
1110 Invalidation of the Instruction Cache operation can
1111 fail. This erratum is present in 1136 (before r1p4), 1156 and 1176.
1112 It does not affect the MPCore. This option enables the ARM Ltd.
1113 recommended workaround.
1114
Catalin Marinas7ce236f2009-04-30 17:06:09 +01001115config ARM_ERRATA_430973
1116 bool "ARM errata: Stale prediction on replaced interworking branch"
1117 depends on CPU_V7
1118 help
1119 This option enables the workaround for the 430973 Cortex-A8
1120 (r1p0..r1p2) erratum. If a code sequence containing an ARM/Thumb
1121 interworking branch is replaced with another code sequence at the
1122 same virtual address, whether due to self-modifying code or virtual
1123 to physical address re-mapping, Cortex-A8 does not recover from the
1124 stale interworking branch prediction. This results in Cortex-A8
1125 executing the new code sequence in the incorrect ARM or Thumb state.
1126 The workaround enables the BTB/BTAC operations by setting ACTLR.IBE
1127 and also flushes the branch target cache at every context switch.
1128 Note that setting specific bits in the ACTLR register may not be
1129 available in non-secure mode.
1130
Catalin Marinas855c5512009-04-30 17:06:15 +01001131config ARM_ERRATA_458693
1132 bool "ARM errata: Processor deadlock when a false hazard is created"
1133 depends on CPU_V7
Rob Herring62e4d352012-12-21 22:42:40 +01001134 depends on !ARCH_MULTIPLATFORM
Catalin Marinas855c5512009-04-30 17:06:15 +01001135 help
1136 This option enables the workaround for the 458693 Cortex-A8 (r2p0)
1137 erratum. For very specific sequences of memory operations, it is
1138 possible for a hazard condition intended for a cache line to instead
1139 be incorrectly associated with a different cache line. This false
1140 hazard might then cause a processor deadlock. The workaround enables
1141 the L1 caching of the NEON accesses and disables the PLD instruction
1142 in the ACTLR register. Note that setting specific bits in the ACTLR
1143 register may not be available in non-secure mode.
1144
Catalin Marinas0516e462009-04-30 17:06:20 +01001145config ARM_ERRATA_460075
1146 bool "ARM errata: Data written to the L2 cache can be overwritten with stale data"
1147 depends on CPU_V7
Rob Herring62e4d352012-12-21 22:42:40 +01001148 depends on !ARCH_MULTIPLATFORM
Catalin Marinas0516e462009-04-30 17:06:20 +01001149 help
1150 This option enables the workaround for the 460075 Cortex-A8 (r2p0)
1151 erratum. Any asynchronous access to the L2 cache may encounter a
1152 situation in which recent store transactions to the L2 cache are lost
1153 and overwritten with stale memory contents from external memory. The
1154 workaround disables the write-allocate mode for the L2 cache via the
1155 ACTLR register. Note that setting specific bits in the ACTLR register
1156 may not be available in non-secure mode.
1157
Will Deacon9f050272010-09-14 09:51:43 +01001158config ARM_ERRATA_742230
1159 bool "ARM errata: DMB operation may be faulty"
1160 depends on CPU_V7 && SMP
Rob Herring62e4d352012-12-21 22:42:40 +01001161 depends on !ARCH_MULTIPLATFORM
Will Deacon9f050272010-09-14 09:51:43 +01001162 help
1163 This option enables the workaround for the 742230 Cortex-A9
1164 (r1p0..r2p2) erratum. Under rare circumstances, a DMB instruction
1165 between two write operations may not ensure the correct visibility
1166 ordering of the two writes. This workaround sets a specific bit in
1167 the diagnostic register of the Cortex-A9 which causes the DMB
1168 instruction to behave as a DSB, ensuring the correct behaviour of
1169 the two writes.
1170
Will Deacona672e992010-09-14 09:53:02 +01001171config ARM_ERRATA_742231
1172 bool "ARM errata: Incorrect hazard handling in the SCU may lead to data corruption"
1173 depends on CPU_V7 && SMP
Rob Herring62e4d352012-12-21 22:42:40 +01001174 depends on !ARCH_MULTIPLATFORM
Will Deacona672e992010-09-14 09:53:02 +01001175 help
1176 This option enables the workaround for the 742231 Cortex-A9
1177 (r2p0..r2p2) erratum. Under certain conditions, specific to the
1178 Cortex-A9 MPCore micro-architecture, two CPUs working in SMP mode,
1179 accessing some data located in the same cache line, may get corrupted
1180 data due to bad handling of the address hazard when the line gets
1181 replaced from one of the CPUs at the same time as another CPU is
1182 accessing it. This workaround sets specific bits in the diagnostic
1183 register of the Cortex-A9 which reduces the linefill issuing
1184 capabilities of the processor.
1185
Santosh Shilimkar9e655822010-02-04 19:42:42 +01001186config PL310_ERRATA_588369
Will Deaconfa0ce402011-11-14 17:24:57 +01001187 bool "PL310 errata: Clean & Invalidate maintenance operations do not invalidate clean lines"
Santosh Shilimkar2839e062011-03-08 06:59:54 +01001188 depends on CACHE_L2X0
Santosh Shilimkar9e655822010-02-04 19:42:42 +01001189 help
1190 The PL310 L2 cache controller implements three types of Clean &
1191 Invalidate maintenance operations: by Physical Address
1192 (offset 0x7F0), by Index/Way (0x7F8) and by Way (0x7FC).
1193 They are architecturally defined to behave as the execution of a
1194 clean operation followed immediately by an invalidate operation,
1195 both performing to the same memory location. This functionality
1196 is not correctly implemented in PL310 as clean lines are not
Santosh Shilimkar2839e062011-03-08 06:59:54 +01001197 invalidated as a result of these operations.
Will Deaconcdf357f2010-08-05 11:20:51 +01001198
1199config ARM_ERRATA_720789
1200 bool "ARM errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a faulty ASID"
Dave Martine66dc742011-12-08 13:37:46 +01001201 depends on CPU_V7
Will Deaconcdf357f2010-08-05 11:20:51 +01001202 help
1203 This option enables the workaround for the 720789 Cortex-A9 (prior to
1204 r2p0) erratum. A faulty ASID can be sent to the other CPUs for the
1205 broadcasted CP15 TLB maintenance operations TLBIASIDIS and TLBIMVAIS.
1206 As a consequence of this erratum, some TLB entries which should be
1207 invalidated are not, resulting in an incoherency in the system page
1208 tables. The workaround changes the TLB flushing routines to invalidate
1209 entries regardless of the ASID.
Will Deacon475d92f2010-09-28 14:02:02 +01001210
Russell King1f0090a2011-03-16 23:35:25 +00001211config PL310_ERRATA_727915
Will Deaconfa0ce402011-11-14 17:24:57 +01001212 bool "PL310 errata: Background Clean & Invalidate by Way operation can cause data corruption"
Russell King1f0090a2011-03-16 23:35:25 +00001213 depends on CACHE_L2X0
1214 help
1215 PL310 implements the Clean & Invalidate by Way L2 cache maintenance
1216 operation (offset 0x7FC). This operation runs in background so that
1217 PL310 can handle normal accesses while it is in progress. Under very
1218 rare circumstances, due to this erratum, write data can be lost when
1219 PL310 treats a cacheable write transaction during a Clean &
1220 Invalidate by Way operation.
1221
Will Deacon475d92f2010-09-28 14:02:02 +01001222config ARM_ERRATA_743622
1223 bool "ARM errata: Faulty hazard checking in the Store Buffer may lead to data corruption"
1224 depends on CPU_V7
Rob Herring62e4d352012-12-21 22:42:40 +01001225 depends on !ARCH_MULTIPLATFORM
Will Deacon475d92f2010-09-28 14:02:02 +01001226 help
1227 This option enables the workaround for the 743622 Cortex-A9
Will Deaconefbc74a2012-02-24 12:12:38 +01001228 (r2p*) erratum. Under very rare conditions, a faulty
Will Deacon475d92f2010-09-28 14:02:02 +01001229 optimisation in the Cortex-A9 Store Buffer may lead to data
1230 corruption. This workaround sets a specific bit in the diagnostic
1231 register of the Cortex-A9 which disables the Store Buffer
1232 optimisation, preventing the defect from occurring. This has no
1233 visible impact on the overall performance or power consumption of the
1234 processor.
1235
Will Deacon9a27c272011-02-18 16:36:35 +01001236config ARM_ERRATA_751472
1237 bool "ARM errata: Interrupted ICIALLUIS may prevent completion of broadcasted operation"
Dave Martinba90c512011-12-08 13:41:06 +01001238 depends on CPU_V7
Rob Herring62e4d352012-12-21 22:42:40 +01001239 depends on !ARCH_MULTIPLATFORM
Will Deacon9a27c272011-02-18 16:36:35 +01001240 help
1241 This option enables the workaround for the 751472 Cortex-A9 (prior
1242 to r3p0) erratum. An interrupted ICIALLUIS operation may prevent the
1243 completion of a following broadcasted operation if the second
1244 operation is received by a CPU before the ICIALLUIS has completed,
1245 potentially leading to corrupted entries in the cache or TLB.
1246
Will Deaconfa0ce402011-11-14 17:24:57 +01001247config PL310_ERRATA_753970
1248 bool "PL310 errata: cache sync operation may be faulty"
Srinidhi Kasagar885028e2011-02-17 07:03:51 +01001249 depends on CACHE_PL310
1250 help
1251 This option enables the workaround for the 753970 PL310 (r3p0) erratum.
1252
1253 Under some condition the effect of cache sync operation on
1254 the store buffer still remains when the operation completes.
1255 This means that the store buffer is always asked to drain and
1256 this prevents it from merging any further writes. The workaround
1257 is to replace the normal offset of cache sync operation (0x730)
1258 by another offset targeting an unmapped PL310 register 0x740.
1259 This has the same effect as the cache sync operation: store buffer
1260 drain and waiting for all buffers empty.
1261
Will Deaconfcbdc5fe2011-02-28 18:15:16 +01001262config ARM_ERRATA_754322
1263 bool "ARM errata: possible faulty MMU translations following an ASID switch"
1264 depends on CPU_V7
1265 help
1266 This option enables the workaround for the 754322 Cortex-A9 (r2p*,
1267 r3p*) erratum. A speculative memory access may cause a page table walk
1268 which starts prior to an ASID switch but completes afterwards. This
1269 can populate the micro-TLB with a stale entry which may be hit with
1270 the new ASID. This workaround places two dsb instructions in the mm
1271 switching code so that no page table walks can cross the ASID switch.
1272
Will Deacon5dab26a2011-03-04 12:38:54 +01001273config ARM_ERRATA_754327
1274 bool "ARM errata: no automatic Store Buffer drain"
1275 depends on CPU_V7 && SMP
1276 help
1277 This option enables the workaround for the 754327 Cortex-A9 (prior to
1278 r2p0) erratum. The Store Buffer does not have any automatic draining
1279 mechanism and therefore a livelock may occur if an external agent
1280 continuously polls a memory location waiting to observe an update.
1281 This workaround defines cpu_relax() as smp_mb(), preventing correctly
1282 written polling loops from denying visibility of updates to memory.
1283
Catalin Marinas145e10e2011-08-15 11:04:41 +01001284config ARM_ERRATA_364296
1285 bool "ARM errata: Possible cache data corruption with hit-under-miss enabled"
1286 depends on CPU_V6 && !SMP
1287 help
1288 This options enables the workaround for the 364296 ARM1136
1289 r0p2 erratum (possible cache data corruption with
1290 hit-under-miss enabled). It sets the undocumented bit 31 in
1291 the auxiliary control register and the FI bit in the control
1292 register, thus disabling hit-under-miss without putting the
1293 processor into full low interrupt latency mode. ARM11MPCore
1294 is not affected.
1295
Will Deaconf630c1b2011-09-15 11:45:15 +01001296config ARM_ERRATA_764369
1297 bool "ARM errata: Data cache line maintenance operation by MVA may not succeed"
1298 depends on CPU_V7 && SMP
1299 help
1300 This option enables the workaround for erratum 764369
1301 affecting Cortex-A9 MPCore with two or more processors (all
1302 current revisions). Under certain timing circumstances, a data
1303 cache line maintenance operation by MVA targeting an Inner
1304 Shareable memory region may fail to proceed up to either the
1305 Point of Coherency or to the Point of Unification of the
1306 system. This workaround adds a DSB instruction before the
1307 relevant cache maintenance functions and sets a specific bit
1308 in the diagnostic control register of the SCU.
1309
Will Deacon11ed0ba2011-11-14 17:24:58 +01001310config PL310_ERRATA_769419
1311 bool "PL310 errata: no automatic Store Buffer drain"
1312 depends on CACHE_L2X0
1313 help
1314 On revisions of the PL310 prior to r3p2, the Store Buffer does
1315 not automatically drain. This can cause normal, non-cacheable
1316 writes to be retained when the memory system is idle, leading
1317 to suboptimal I/O performance for drivers using coherent DMA.
1318 This option adds a write barrier to the cpu_idle loop so that,
1319 on systems with an outer cache, the store buffer is drained
1320 explicitly.
1321
Simon Horman7253b852012-09-28 02:12:45 +01001322config ARM_ERRATA_775420
1323 bool "ARM errata: A data cache maintenance operation which aborts, might lead to deadlock"
1324 depends on CPU_V7
1325 help
1326 This option enables the workaround for the 775420 Cortex-A9 (r2p2,
1327 r2p6,r2p8,r2p10,r3p0) erratum. In case a date cache maintenance
1328 operation aborts with MMU exception, it might cause the processor
1329 to deadlock. This workaround puts DSB before executing ISB if
1330 an abort may occur on cache maintenance.
1331
Catalin Marinas93dc6882013-03-26 23:35:04 +01001332config ARM_ERRATA_798181
1333 bool "ARM errata: TLBI/DSB failure on Cortex-A15"
1334 depends on CPU_V7 && SMP
1335 help
1336 On Cortex-A15 (r0p0..r3p2) the TLBI*IS/DSB operations are not
1337 adequately shooting down all use of the old entries. This
1338 option enables the Linux kernel workaround for this erratum
1339 which sends an IPI to the CPUs that are running the same ASID
1340 as the one being invalidated.
1341
Linus Torvalds1da177e2005-04-16 15:20:36 -07001342endmenu
1343
1344source "arch/arm/common/Kconfig"
1345
Linus Torvalds1da177e2005-04-16 15:20:36 -07001346menu "Bus support"
1347
1348config ARM_AMBA
1349 bool
1350
1351config ISA
1352 bool
Linus Torvalds1da177e2005-04-16 15:20:36 -07001353 help
1354 Find out whether you have ISA slots on your motherboard. ISA is the
1355 name of a bus system, i.e. the way the CPU talks to the other stuff
1356 inside your box. Other bus systems are PCI, EISA, MicroChannel
1357 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
1358 newer boards don't support it. If you have ISA, say Y, otherwise N.
1359
Russell King065909b2006-01-04 15:44:16 +00001360# Select ISA DMA controller support
Linus Torvalds1da177e2005-04-16 15:20:36 -07001361config ISA_DMA
1362 bool
Russell King065909b2006-01-04 15:44:16 +00001363 select ISA_DMA_API
Linus Torvalds1da177e2005-04-16 15:20:36 -07001364
Russell King065909b2006-01-04 15:44:16 +00001365# Select ISA DMA interface
Al Viro5cae8412005-05-04 05:39:22 +01001366config ISA_DMA_API
1367 bool
Al Viro5cae8412005-05-04 05:39:22 +01001368
Linus Torvalds1da177e2005-04-16 15:20:36 -07001369config PCI
Hans Ulli Kroll0b05da72010-12-02 12:32:15 +01001370 bool "PCI support" if MIGHT_HAVE_PCI
Linus Torvalds1da177e2005-04-16 15:20:36 -07001371 help
1372 Find out whether you have a PCI motherboard. PCI is the name of a
1373 bus system, i.e. the way the CPU talks to the other stuff inside
1374 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
1375 VESA. If you have PCI, say Y, otherwise N.
1376
Anton Vorontsov52882172010-04-19 13:20:49 +01001377config PCI_DOMAINS
1378 bool
1379 depends on PCI
1380
Marcelo Roberto Jimenezb080ac82010-12-16 21:34:51 +01001381config PCI_NANOENGINE
1382 bool "BSE nanoEngine PCI support"
1383 depends on SA1100_NANOENGINE
1384 help
1385 Enable PCI on the BSE nanoEngine board.
1386
Matthew Wilcox36e23592007-07-10 10:54:40 -06001387config PCI_SYSCALL
1388 def_bool PCI
1389
Linus Torvalds1da177e2005-04-16 15:20:36 -07001390# Select the host bridge type
1391config PCI_HOST_VIA82C505
1392 bool
1393 depends on PCI && ARCH_SHARK
1394 default y
1395
Mike Rapoporta0113a92007-11-25 08:55:34 +01001396config PCI_HOST_ITE8152
1397 bool
1398 depends on PCI && MACH_ARMCORE
1399 default y
1400 select DMABOUNCE
1401
Linus Torvalds1da177e2005-04-16 15:20:36 -07001402source "drivers/pci/Kconfig"
1403
1404source "drivers/pcmcia/Kconfig"
1405
1406endmenu
1407
1408menu "Kernel Features"
1409
Dave Martin3b556582011-12-07 15:38:04 +00001410config HAVE_SMP
1411 bool
1412 help
1413 This option should be selected by machines which have an SMP-
1414 capable CPU.
1415
1416 The only effect of this option is to make the SMP-related
1417 options available to the user for configuration.
1418
Linus Torvalds1da177e2005-04-16 15:20:36 -07001419config SMP
Russell Kingbb2d8132011-05-12 09:52:02 +01001420 bool "Symmetric Multi-Processing"
Russell Kingfbb4dda2011-01-17 18:01:58 +00001421 depends on CPU_V6K || CPU_V7
Russell Kingbc282482009-05-17 18:58:34 +01001422 depends on GENERIC_CLOCKEVENTS
Dave Martin3b556582011-12-07 15:38:04 +00001423 depends on HAVE_SMP
Arnd Bergmann9934ebb2011-06-10 14:05:22 +00001424 depends on MMU
Russell Kingb1b3f492012-10-06 17:12:25 +01001425 select USE_GENERIC_SMP_HELPERS
Linus Torvalds1da177e2005-04-16 15:20:36 -07001426 help
1427 This enables support for systems with more than one CPU. If you have
1428 a system with only one CPU, like most personal computers, say N. If
1429 you have a system with more than one CPU, say Y.
1430
1431 If you say N here, the kernel will run on single and multiprocessor
1432 machines, but will use only one CPU of a multiprocessor machine. If
1433 you say Y here, the kernel will run on many, but not all, single
1434 processor machines. On a single processor machine, the kernel will
1435 run faster if you say N here.
1436
Paul Bolle395cf962011-08-15 02:02:26 +02001437 See also <file:Documentation/x86/i386/IO-APIC.txt>,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001438 <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
Justin P. Mattock50a23e62010-10-16 10:36:23 -07001439 <http://tldp.org/HOWTO/SMP-HOWTO.html>.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001440
1441 If you don't know what to do here, say N.
1442
Russell Kingf00ec482010-09-04 10:47:48 +01001443config SMP_ON_UP
1444 bool "Allow booting SMP kernel on uniprocessor systems (EXPERIMENTAL)"
Nicolas Pitre4d2692a2011-01-14 07:33:24 +01001445 depends on SMP && !XIP_KERNEL
Russell Kingf00ec482010-09-04 10:47:48 +01001446 default y
1447 help
1448 SMP kernels contain instructions which fail on non-SMP processors.
1449 Enabling this option allows the kernel to modify itself to make
1450 these instructions safe. Disabling it allows about 1K of space
1451 savings.
1452
1453 If you don't know what to do here, say Y.
1454
Vincent Guittotc9018aa2011-08-08 13:21:59 +01001455config ARM_CPU_TOPOLOGY
1456 bool "Support cpu topology definition"
1457 depends on SMP && CPU_V7
1458 default y
1459 help
1460 Support ARM cpu topology definition. The MPIDR register defines
1461 affinity between processors which is then used to describe the cpu
1462 topology of an ARM System.
1463
1464config SCHED_MC
1465 bool "Multi-core scheduler support"
1466 depends on ARM_CPU_TOPOLOGY
1467 help
1468 Multi-core scheduler support improves the CPU scheduler's decision
1469 making when dealing with multi-core CPU chips at a cost of slightly
1470 increased overhead in some places. If unsure say N here.
1471
1472config SCHED_SMT
1473 bool "SMT scheduler support"
1474 depends on ARM_CPU_TOPOLOGY
1475 help
1476 Improves the CPU scheduler's decision making when dealing with
1477 MultiThreading at a cost of slightly increased overhead in some
1478 places. If unsure say N here.
1479
Russell Kinga8cbcd92009-05-16 11:51:14 +01001480config HAVE_ARM_SCU
1481 bool
Russell Kinga8cbcd92009-05-16 11:51:14 +01001482 help
1483 This option enables support for the ARM system coherency unit
1484
Mark Rutland8a4da6e2012-11-12 14:33:44 +00001485config HAVE_ARM_ARCH_TIMER
Marc Zyngier022c03a2012-01-11 17:25:17 +00001486 bool "Architected timer support"
1487 depends on CPU_V7
Mark Rutland8a4da6e2012-11-12 14:33:44 +00001488 select ARM_ARCH_TIMER
Marc Zyngier022c03a2012-01-11 17:25:17 +00001489 help
1490 This option enables support for the ARM architected timer
1491
Russell Kingf32f4ce2009-05-16 12:14:21 +01001492config HAVE_ARM_TWD
1493 bool
1494 depends on SMP
Rob Herringda4a6862013-02-06 21:17:47 -06001495 select CLKSRC_OF if OF
Russell Kingf32f4ce2009-05-16 12:14:21 +01001496 help
1497 This options enables support for the ARM timer and watchdog unit
1498
Nicolas Pitree8db2882012-04-12 02:45:22 -04001499config MCPM
1500 bool "Multi-Cluster Power Management"
1501 depends on CPU_V7 && SMP
1502 help
1503 This option provides the common power management infrastructure
1504 for (multi-)cluster based systems, such as big.LITTLE based
1505 systems.
1506
Lennert Buytenhek8d5796d2008-08-25 21:03:32 +01001507choice
1508 prompt "Memory split"
1509 default VMSPLIT_3G
1510 help
1511 Select the desired split between kernel and user memory.
1512
1513 If you are not absolutely sure what you are doing, leave this
1514 option alone!
1515
1516 config VMSPLIT_3G
1517 bool "3G/1G user/kernel split"
1518 config VMSPLIT_2G
1519 bool "2G/2G user/kernel split"
1520 config VMSPLIT_1G
1521 bool "1G/3G user/kernel split"
1522endchoice
1523
1524config PAGE_OFFSET
1525 hex
1526 default 0x40000000 if VMSPLIT_1G
1527 default 0x80000000 if VMSPLIT_2G
1528 default 0xC0000000
1529
Linus Torvalds1da177e2005-04-16 15:20:36 -07001530config NR_CPUS
1531 int "Maximum number of CPUs (2-32)"
1532 range 2 32
1533 depends on SMP
1534 default "4"
1535
Russell Kinga054a812005-11-02 22:24:33 +00001536config HOTPLUG_CPU
Russell King00b7ded2012-10-22 22:54:30 +01001537 bool "Support for hot-pluggable CPUs"
1538 depends on SMP && HOTPLUG
Russell Kinga054a812005-11-02 22:24:33 +00001539 help
1540 Say Y here to experiment with turning CPUs off and on. CPUs
1541 can be controlled through /sys/devices/system/cpu.
1542
Will Deacon2bdd4242012-12-12 19:20:52 +00001543config ARM_PSCI
1544 bool "Support for the ARM Power State Coordination Interface (PSCI)"
1545 depends on CPU_V7
1546 help
1547 Say Y here if you want Linux to communicate with system firmware
1548 implementing the PSCI specification for CPU-centric power
1549 management operations described in ARM document number ARM DEN
1550 0022A ("Power State Coordination Interface System Software on
1551 ARM processors").
1552
Russell King37ee16a2005-11-08 19:08:05 +00001553config LOCAL_TIMERS
1554 bool "Use local timer interrupts"
Russell King971acb92010-09-04 08:16:30 +01001555 depends on SMP
Russell King37ee16a2005-11-08 19:08:05 +00001556 default y
1557 help
1558 Enable support for local timers on SMP platforms, rather then the
1559 legacy IPI broadcast method. Local timers allows the system
1560 accounting to be spread across the timer interval, preventing a
1561 "thundering herd" at every timer tick.
1562
Maxime Ripard2a6ad872013-02-03 12:24:48 +01001563# The GPIO number here must be sorted by descending number. In case of
1564# a multiplatform kernel, we just want the highest value required by the
1565# selected platforms.
Peter De Schrijver (NVIDIA)44986ab2011-12-21 10:48:45 +01001566config ARCH_NR_GPIO
1567 int
Peter De Schrijver (NVIDIA)3dea19e82011-12-21 15:14:52 +01001568 default 1024 if ARCH_SHMOBILE || ARCH_TEGRA
Tarun Kanti DebBarma39f47d92012-04-26 18:31:17 +05301569 default 512 if SOC_OMAP5
Olof Johansson06b851e2013-04-02 18:33:58 -07001570 default 392 if ARCH_U8500
Tony Prisk01bb9142013-03-09 18:22:30 +13001571 default 352 if ARCH_VT8500
1572 default 288 if ARCH_SUNXI
Maxime Ripard2a6ad872013-02-03 12:24:48 +01001573 default 264 if MACH_H4700
Peter De Schrijver (NVIDIA)44986ab2011-12-21 10:48:45 +01001574 default 0
1575 help
1576 Maximum number of GPIOs in the system.
1577
1578 If unsure, leave the default value.
1579
Uwe Kleine-Königd45a3982009-08-13 20:38:17 +02001580source kernel/Kconfig.preempt
Linus Torvalds1da177e2005-04-16 15:20:36 -07001581
Russell Kingf8065812006-03-02 22:41:59 +00001582config HZ
1583 int
Kukjin Kimb130d5c2012-02-03 14:29:23 +09001584 default 200 if ARCH_EBSA110 || ARCH_S3C24XX || ARCH_S5P64X0 || \
Kukjin Kima73ddc62011-05-11 16:27:51 +09001585 ARCH_S5PV210 || ARCH_EXYNOS4
David Brownell5248c652007-11-12 17:59:10 +01001586 default AT91_TIMER_HZ if ARCH_AT91
Magnus Damm5da3e712010-07-29 14:03:04 +01001587 default SHMOBILE_TIMER_HZ if ARCH_SHMOBILE
Russell Kingf8065812006-03-02 22:41:59 +00001588 default 100
1589
Russell Kingb28748f2013-02-17 14:40:33 +00001590config SCHED_HRTICK
1591 def_bool HIGH_RES_TIMERS
1592
Catalin Marinas16c79652009-07-24 12:33:02 +01001593config THUMB2_KERNEL
Uwe Kleine-Königbc7dea02011-12-09 20:52:10 +01001594 bool "Compile the kernel in Thumb-2 mode" if !CPU_THUMBONLY
Russell King00b7ded2012-10-22 22:54:30 +01001595 depends on CPU_V7 && !CPU_V6 && !CPU_V6K
Uwe Kleine-Königbc7dea02011-12-09 20:52:10 +01001596 default y if CPU_THUMBONLY
Catalin Marinas16c79652009-07-24 12:33:02 +01001597 select AEABI
1598 select ARM_ASM_UNIFIED
Arnd Bergmann89bace62011-06-10 14:12:21 +00001599 select ARM_UNWIND
Catalin Marinas16c79652009-07-24 12:33:02 +01001600 help
1601 By enabling this option, the kernel will be compiled in
1602 Thumb-2 mode. A compiler/assembler that understand the unified
1603 ARM-Thumb syntax is needed.
1604
1605 If unsure, say N.
1606
Dave Martin6f685c52011-03-03 11:41:12 +01001607config THUMB2_AVOID_R_ARM_THM_JUMP11
1608 bool "Work around buggy Thumb-2 short branch relocations in gas"
1609 depends on THUMB2_KERNEL && MODULES
1610 default y
1611 help
1612 Various binutils versions can resolve Thumb-2 branches to
1613 locally-defined, preemptible global symbols as short-range "b.n"
1614 branch instructions.
1615
1616 This is a problem, because there's no guarantee the final
1617 destination of the symbol, or any candidate locations for a
1618 trampoline, are within range of the branch. For this reason, the
1619 kernel does not support fixing up the R_ARM_THM_JUMP11 (102)
1620 relocation in modules at all, and it makes little sense to add
1621 support.
1622
1623 The symptom is that the kernel fails with an "unsupported
1624 relocation" error when loading some modules.
1625
1626 Until fixed tools are available, passing
1627 -fno-optimize-sibling-calls to gcc should prevent gcc generating
1628 code which hits this problem, at the cost of a bit of extra runtime
1629 stack usage in some cases.
1630
1631 The problem is described in more detail at:
1632 https://bugs.launchpad.net/binutils-linaro/+bug/725126
1633
1634 Only Thumb-2 kernels are affected.
1635
1636 Unless you are sure your tools don't have this problem, say Y.
1637
Catalin Marinas0becb082009-07-24 12:32:53 +01001638config ARM_ASM_UNIFIED
1639 bool
1640
Nicolas Pitre704bdda02006-01-14 16:33:50 +00001641config AEABI
1642 bool "Use the ARM EABI to compile the kernel"
1643 help
1644 This option allows for the kernel to be compiled using the latest
1645 ARM ABI (aka EABI). This is only useful if you are using a user
1646 space environment that is also compiled with EABI.
1647
1648 Since there are major incompatibilities between the legacy ABI and
1649 EABI, especially with regard to structure member alignment, this
1650 option also changes the kernel syscall calling convention to
1651 disambiguate both ABIs and allow for backward compatibility support
1652 (selected with CONFIG_OABI_COMPAT).
1653
1654 To use this you need GCC version 4.0.0 or later.
1655
Nicolas Pitre6c90c872006-01-14 16:37:15 +00001656config OABI_COMPAT
Russell Kinga73a3ff2006-02-08 21:09:55 +00001657 bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)"
Kees Cookd6f94fa2013-01-16 18:53:14 -08001658 depends on AEABI && !THUMB2_KERNEL
Nicolas Pitre6c90c872006-01-14 16:37:15 +00001659 default y
1660 help
1661 This option preserves the old syscall interface along with the
1662 new (ARM EABI) one. It also provides a compatibility layer to
1663 intercept syscalls that have structure arguments which layout
1664 in memory differs between the legacy ABI and the new ARM EABI
1665 (only for non "thumb" binaries). This option adds a tiny
1666 overhead to all syscalls and produces a slightly larger kernel.
1667 If you know you'll be using only pure EABI user space then you
1668 can say N here. If this option is not selected and you attempt
1669 to execute a legacy ABI binary then the result will be
1670 UNPREDICTABLE (in fact it can be predicted that it won't work
1671 at all). If in doubt say Y.
1672
Mel Gormaneb335752009-05-13 17:34:48 +01001673config ARCH_HAS_HOLES_MEMORYMODEL
Mel Gormane80d6a22008-08-14 11:10:14 +01001674 bool
Mel Gormane80d6a22008-08-14 11:10:14 +01001675
Russell King05944d72006-11-30 20:43:51 +00001676config ARCH_SPARSEMEM_ENABLE
1677 bool
1678
Russell King07a2f732008-10-01 21:39:58 +01001679config ARCH_SPARSEMEM_DEFAULT
1680 def_bool ARCH_SPARSEMEM_ENABLE
1681
Russell King05944d72006-11-30 20:43:51 +00001682config ARCH_SELECT_MEMORY_MODEL
Russell Kingbe370302010-05-07 17:40:33 +01001683 def_bool ARCH_SPARSEMEM_ENABLE
Yasunori Gotoc80d79d2006-04-10 22:53:53 -07001684
Will Deacon7b7bf492011-05-19 13:21:14 +01001685config HAVE_ARCH_PFN_VALID
1686 def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM
1687
Nicolas Pitre053a96c2008-09-19 00:36:12 -04001688config HIGHMEM
Russell Kinge8db89a2011-05-12 09:53:05 +01001689 bool "High Memory Support"
1690 depends on MMU
Nicolas Pitre053a96c2008-09-19 00:36:12 -04001691 help
1692 The address space of ARM processors is only 4 Gigabytes large
1693 and it has to accommodate user address space, kernel address
1694 space as well as some memory mapped IO. That means that, if you
1695 have a large amount of physical memory and/or IO, not all of the
1696 memory can be "permanently mapped" by the kernel. The physical
1697 memory that is not permanently mapped is called "high memory".
1698
1699 Depending on the selected kernel/user memory split, minimum
1700 vmalloc space and actual amount of RAM, you may not need this
1701 option which should result in a slightly faster kernel.
1702
1703 If unsure, say n.
1704
Russell King65cec8e2009-08-17 20:02:06 +01001705config HIGHPTE
1706 bool "Allocate 2nd-level pagetables from highmem"
1707 depends on HIGHMEM
Russell King65cec8e2009-08-17 20:02:06 +01001708
Jamie Iles1b8873a2010-02-02 20:25:44 +01001709config HW_PERF_EVENTS
1710 bool "Enable hardware performance counter support for perf events"
Will Deaconf0d1bc42012-07-28 16:27:03 +01001711 depends on PERF_EVENTS
Jamie Iles1b8873a2010-02-02 20:25:44 +01001712 default y
1713 help
1714 Enable hardware performance counter support for perf events. If
1715 disabled, perf events will use software events only.
1716
Dave Hansen3f22ab22005-06-23 00:07:43 -07001717source "mm/Kconfig"
1718
Magnus Dammc1b2d972010-07-05 10:00:11 +01001719config FORCE_MAX_ZONEORDER
1720 int "Maximum zone order" if ARCH_SHMOBILE
1721 range 11 64 if ARCH_SHMOBILE
Yegor Yefremov898f08e2012-10-08 14:37:53 -07001722 default "12" if SOC_AM33XX
Magnus Dammc1b2d972010-07-05 10:00:11 +01001723 default "9" if SA1111
1724 default "11"
1725 help
1726 The kernel memory allocator divides physically contiguous memory
1727 blocks into "zones", where each zone is a power of two number of
1728 pages. This option selects the largest power of two that the kernel
1729 keeps in the memory allocator. If you need to allocate very large
1730 blocks of physically contiguous memory, then you may need to
1731 increase this value.
1732
1733 This config option is actually maximum order plus one. For example,
1734 a value of 11 means that the largest free memory block is 2^10 pages.
1735
Linus Torvalds1da177e2005-04-16 15:20:36 -07001736config ALIGNMENT_TRAP
1737 bool
Hyok S. Choif12d0d72006-09-26 17:36:37 +09001738 depends on CPU_CP15_MMU
Linus Torvalds1da177e2005-04-16 15:20:36 -07001739 default y if !ARCH_EBSA110
Russell Kinge119bff2010-01-10 17:23:29 +00001740 select HAVE_PROC_CPU if PROC_FS
Linus Torvalds1da177e2005-04-16 15:20:36 -07001741 help
Matt LaPlante84eb8d02006-10-03 22:53:09 +02001742 ARM processors cannot fetch/store information which is not
Linus Torvalds1da177e2005-04-16 15:20:36 -07001743 naturally aligned on the bus, i.e., a 4 byte fetch must start at an
1744 address divisible by 4. On 32-bit ARM processors, these non-aligned
1745 fetch/store instructions will be emulated in software if you say
1746 here, which has a severe performance impact. This is necessary for
1747 correct operation of some network protocols. With an IP-only
1748 configuration it is safe to say N, otherwise say Y.
1749
Lennert Buytenhek39ec58f2009-03-09 14:30:09 -04001750config UACCESS_WITH_MEMCPY
Linus Walleij38ef2ad2012-09-10 16:36:37 +01001751 bool "Use kernel mem{cpy,set}() for {copy_to,clear}_user()"
1752 depends on MMU
Lennert Buytenhek39ec58f2009-03-09 14:30:09 -04001753 default y if CPU_FEROCEON
1754 help
1755 Implement faster copy_to_user and clear_user methods for CPU
1756 cores where a 8-word STM instruction give significantly higher
1757 memory write throughput than a sequence of individual 32bit stores.
1758
1759 A possible side effect is a slight increase in scheduling latency
1760 between threads sharing the same address space if they invoke
1761 such copy operations with large buffers.
1762
1763 However, if the CPU data cache is using a write-allocate mode,
1764 this option is unlikely to provide any performance gain.
1765
Nicolas Pitre70c70d92010-08-26 15:08:35 -07001766config SECCOMP
1767 bool
1768 prompt "Enable seccomp to safely compute untrusted bytecode"
1769 ---help---
1770 This kernel feature is useful for number crunching applications
1771 that may need to compute untrusted bytecode during their
1772 execution. By using pipes or other transports made available to
1773 the process as file descriptors supporting the read/write
1774 syscalls, it's possible to isolate those applications in
1775 their own address space using seccomp. Once seccomp is
1776 enabled via prctl(PR_SET_SECCOMP), it cannot be disabled
1777 and the task is only allowed to execute a few safe syscalls
1778 defined by each seccomp mode.
1779
Nicolas Pitrec743f382010-05-24 23:55:42 -04001780config CC_STACKPROTECTOR
1781 bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)"
1782 help
1783 This option turns on the -fstack-protector GCC feature. This
1784 feature puts, at the beginning of functions, a canary value on
1785 the stack just before the return address, and validates
1786 the value just before actually returning. Stack based buffer
1787 overflows (that need to overwrite this return address) now also
1788 overwrite the canary, which gets detected and the attack is then
1789 neutralized via a kernel panic.
1790 This feature requires gcc version 4.2 or above.
1791
Stefano Stabellinieff8d642012-09-17 14:58:17 +00001792config XEN_DOM0
1793 def_bool y
1794 depends on XEN
1795
1796config XEN
1797 bool "Xen guest support on ARM (EXPERIMENTAL)"
Ian Campbell85323a92013-03-07 07:17:25 +00001798 depends on ARM && AEABI && OF
Arnd Bergmannf880b672012-10-09 10:33:52 +00001799 depends on CPU_V7 && !CPU_V6
Ian Campbell85323a92013-03-07 07:17:25 +00001800 depends on !GENERIC_ATOMIC64
Stefano Stabellini17b7ab82013-04-24 18:47:18 +00001801 select ARM_PSCI
Stefano Stabellinieff8d642012-09-17 14:58:17 +00001802 help
1803 Say Y if you want to run Linux in a Virtual Machine on Xen on ARM.
1804
Linus Torvalds1da177e2005-04-16 15:20:36 -07001805endmenu
1806
1807menu "Boot options"
1808
Grant Likely9eb8f672011-04-28 14:27:20 -06001809config USE_OF
1810 bool "Flattened Device Tree support"
Russell Kingb1b3f492012-10-06 17:12:25 +01001811 select IRQ_DOMAIN
Grant Likely9eb8f672011-04-28 14:27:20 -06001812 select OF
1813 select OF_EARLY_FLATTREE
1814 help
1815 Include support for flattened device tree machine descriptions.
1816
Nicolas Pitrebd51e2f2012-09-01 03:03:25 +01001817config ATAGS
1818 bool "Support for the traditional ATAGS boot data passing" if USE_OF
1819 default y
1820 help
1821 This is the traditional way of passing data to the kernel at boot
1822 time. If you are solely relying on the flattened device tree (or
1823 the ARM_ATAG_DTB_COMPAT option) then you may unselect this option
1824 to remove ATAGS support from your kernel binary. If unsure,
1825 leave this to y.
1826
1827config DEPRECATED_PARAM_STRUCT
1828 bool "Provide old way to pass kernel parameters"
1829 depends on ATAGS
1830 help
1831 This was deprecated in 2001 and announced to live on for 5 years.
1832 Some old boot loaders still use this way.
1833
Linus Torvalds1da177e2005-04-16 15:20:36 -07001834# Compressed boot loader in ROM. Yes, we really want to ask about
1835# TEXT and BSS so we preserve their values in the config files.
1836config ZBOOT_ROM_TEXT
1837 hex "Compressed ROM boot loader base address"
1838 default "0"
1839 help
1840 The physical address at which the ROM-able zImage is to be
1841 placed in the target. Platforms which normally make use of
1842 ROM-able zImage formats normally set this to a suitable
1843 value in their defconfig file.
1844
1845 If ZBOOT_ROM is not enabled, this has no effect.
1846
1847config ZBOOT_ROM_BSS
1848 hex "Compressed ROM boot loader BSS address"
1849 default "0"
1850 help
Dan Fandrichf8c440b2006-09-20 23:28:51 +01001851 The base address of an area of read/write memory in the target
1852 for the ROM-able zImage which must be available while the
1853 decompressor is running. It must be large enough to hold the
1854 entire decompressed kernel plus an additional 128 KiB.
1855 Platforms which normally make use of ROM-able zImage formats
1856 normally set this to a suitable value in their defconfig file.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001857
1858 If ZBOOT_ROM is not enabled, this has no effect.
1859
1860config ZBOOT_ROM
1861 bool "Compressed boot loader in ROM/flash"
1862 depends on ZBOOT_ROM_TEXT != ZBOOT_ROM_BSS
1863 help
1864 Say Y here if you intend to execute your compressed kernel image
1865 (zImage) directly from ROM or flash. If unsure, say N.
1866
Simon Horman090ab3f2011-04-26 06:29:53 +01001867choice
1868 prompt "Include SD/MMC loader in zImage (EXPERIMENTAL)"
Kees Cookd6f94fa2013-01-16 18:53:14 -08001869 depends on ZBOOT_ROM && ARCH_SH7372
Simon Horman090ab3f2011-04-26 06:29:53 +01001870 default ZBOOT_ROM_NONE
1871 help
1872 Include experimental SD/MMC loading code in the ROM-able zImage.
Masanari Iida59bf8962012-04-18 00:01:21 +09001873 With this enabled it is possible to write the ROM-able zImage
Simon Horman090ab3f2011-04-26 06:29:53 +01001874 kernel image to an MMC or SD card and boot the kernel straight
1875 from the reset vector. At reset the processor Mask ROM will load
Masanari Iida59bf8962012-04-18 00:01:21 +09001876 the first part of the ROM-able zImage which in turn loads the
Simon Horman090ab3f2011-04-26 06:29:53 +01001877 rest the kernel image to RAM.
1878
1879config ZBOOT_ROM_NONE
1880 bool "No SD/MMC loader in zImage (EXPERIMENTAL)"
1881 help
1882 Do not load image from SD or MMC
1883
Simon Hormanf45b1142011-01-11 04:01:08 +01001884config ZBOOT_ROM_MMCIF
1885 bool "Include MMCIF loader in zImage (EXPERIMENTAL)"
Simon Hormanf45b1142011-01-11 04:01:08 +01001886 help
Simon Horman090ab3f2011-04-26 06:29:53 +01001887 Load image from MMCIF hardware block.
1888
1889config ZBOOT_ROM_SH_MOBILE_SDHI
1890 bool "Include SuperH Mobile SDHI loader in zImage (EXPERIMENTAL)"
1891 help
1892 Load image from SDHI hardware block
1893
1894endchoice
Simon Hormanf45b1142011-01-11 04:01:08 +01001895
John Bonesioe2a6a3a2011-05-27 18:45:50 -04001896config ARM_APPENDED_DTB
1897 bool "Use appended device tree blob to zImage (EXPERIMENTAL)"
Kees Cookd6f94fa2013-01-16 18:53:14 -08001898 depends on OF && !ZBOOT_ROM
John Bonesioe2a6a3a2011-05-27 18:45:50 -04001899 help
1900 With this option, the boot code will look for a device tree binary
1901 (DTB) appended to zImage
1902 (e.g. cat zImage <filename>.dtb > zImage_w_dtb).
1903
1904 This is meant as a backward compatibility convenience for those
1905 systems with a bootloader that can't be upgraded to accommodate
1906 the documented boot protocol using a device tree.
1907
1908 Beware that there is very little in terms of protection against
1909 this option being confused by leftover garbage in memory that might
1910 look like a DTB header after a reboot if no actual DTB is appended
1911 to zImage. Do not leave this option active in a production kernel
1912 if you don't intend to always append a DTB. Proper passing of the
1913 location into r2 of a bootloader provided DTB is always preferable
1914 to this option.
1915
Nicolas Pitreb90b9a32011-09-13 22:37:07 -04001916config ARM_ATAG_DTB_COMPAT
1917 bool "Supplement the appended DTB with traditional ATAG information"
1918 depends on ARM_APPENDED_DTB
1919 help
1920 Some old bootloaders can't be updated to a DTB capable one, yet
1921 they provide ATAGs with memory configuration, the ramdisk address,
1922 the kernel cmdline string, etc. Such information is dynamically
1923 provided by the bootloader and can't always be stored in a static
1924 DTB. To allow a device tree enabled kernel to be used with such
1925 bootloaders, this option allows zImage to extract the information
1926 from the ATAG list and store it at run time into the appended DTB.
1927
Genoud Richardd0f34a12012-06-26 16:37:59 +01001928choice
1929 prompt "Kernel command line type" if ARM_ATAG_DTB_COMPAT
1930 default ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER
1931
1932config ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER
1933 bool "Use bootloader kernel arguments if available"
1934 help
1935 Uses the command-line options passed by the boot loader instead of
1936 the device tree bootargs property. If the boot loader doesn't provide
1937 any, the device tree bootargs property will be used.
1938
1939config ARM_ATAG_DTB_COMPAT_CMDLINE_EXTEND
1940 bool "Extend with bootloader kernel arguments"
1941 help
1942 The command-line arguments provided by the boot loader will be
1943 appended to the the device tree bootargs property.
1944
1945endchoice
1946
Linus Torvalds1da177e2005-04-16 15:20:36 -07001947config CMDLINE
1948 string "Default kernel command string"
1949 default ""
1950 help
1951 On some architectures (EBSA110 and CATS), there is currently no way
1952 for the boot loader to pass arguments to the kernel. For these
1953 architectures, you should supply some command-line options at build
1954 time by entering them here. As a minimum, you should specify the
1955 memory size and the root device (e.g., mem=64M root=/dev/nfs).
1956
Victor Boivie4394c122011-05-04 17:07:55 +01001957choice
1958 prompt "Kernel command line type" if CMDLINE != ""
1959 default CMDLINE_FROM_BOOTLOADER
Nicolas Pitrebd51e2f2012-09-01 03:03:25 +01001960 depends on ATAGS
Victor Boivie4394c122011-05-04 17:07:55 +01001961
1962config CMDLINE_FROM_BOOTLOADER
1963 bool "Use bootloader kernel arguments if available"
1964 help
1965 Uses the command-line options passed by the boot loader. If
1966 the boot loader doesn't provide any, the default kernel command
1967 string provided in CMDLINE will be used.
1968
1969config CMDLINE_EXTEND
1970 bool "Extend bootloader kernel arguments"
1971 help
1972 The command-line arguments provided by the boot loader will be
1973 appended to the default kernel command string.
1974
Alexander Holler92d20402010-02-16 19:04:53 +01001975config CMDLINE_FORCE
1976 bool "Always use the default kernel command string"
Alexander Holler92d20402010-02-16 19:04:53 +01001977 help
1978 Always use the default kernel command string, even if the boot
1979 loader passes other arguments to the kernel.
1980 This is useful if you cannot or don't want to change the
1981 command-line options your boot loader passes to the kernel.
Victor Boivie4394c122011-05-04 17:07:55 +01001982endchoice
Alexander Holler92d20402010-02-16 19:04:53 +01001983
Linus Torvalds1da177e2005-04-16 15:20:36 -07001984config XIP_KERNEL
1985 bool "Kernel Execute-In-Place from ROM"
Rob Herring387798b2012-09-06 13:41:12 -05001986 depends on !ZBOOT_ROM && !ARM_LPAE && !ARCH_MULTIPLATFORM
Linus Torvalds1da177e2005-04-16 15:20:36 -07001987 help
1988 Execute-In-Place allows the kernel to run from non-volatile storage
1989 directly addressable by the CPU, such as NOR flash. This saves RAM
1990 space since the text section of the kernel is not loaded from flash
1991 to RAM. Read-write sections, such as the data section and stack,
1992 are still copied to RAM. The XIP kernel is not compressed since
1993 it has to run directly from flash, so it will take more space to
1994 store it. The flash address used to link the kernel object files,
1995 and for storing it, is configuration dependent. Therefore, if you
1996 say Y here, you must know the proper physical address where to
1997 store the kernel image depending on your own flash memory usage.
1998
1999 Also note that the make target becomes "make xipImage" rather than
2000 "make zImage" or "make Image". The final kernel binary to put in
2001 ROM memory will be arch/arm/boot/xipImage.
2002
2003 If unsure, say N.
2004
2005config XIP_PHYS_ADDR
2006 hex "XIP Kernel Physical Location"
2007 depends on XIP_KERNEL
2008 default "0x00080000"
2009 help
2010 This is the physical address in your flash memory the kernel will
2011 be linked for and stored to. This address is dependent on your
2012 own flash usage.
2013
Richard Purdiec587e4a2007-02-06 21:29:00 +01002014config KEXEC
2015 bool "Kexec system call (EXPERIMENTAL)"
Kees Cookd6f94fa2013-01-16 18:53:14 -08002016 depends on (!SMP || HOTPLUG_CPU)
Richard Purdiec587e4a2007-02-06 21:29:00 +01002017 help
2018 kexec is a system call that implements the ability to shutdown your
2019 current kernel, and to start another kernel. It is like a reboot
Matt LaPlante01dd2fb2007-10-20 01:34:40 +02002020 but it is independent of the system firmware. And like a reboot
Richard Purdiec587e4a2007-02-06 21:29:00 +01002021 you can start any kernel with it, not just Linux.
2022
2023 It is an ongoing process to be certain the hardware in a machine
2024 is properly shutdown, so do not be surprised if this code does not
2025 initially work for you. It may help to enable device hotplugging
2026 support.
2027
Richard Purdie4cd9d6f2008-01-02 00:56:46 +01002028config ATAGS_PROC
2029 bool "Export atags in procfs"
Nicolas Pitrebd51e2f2012-09-01 03:03:25 +01002030 depends on ATAGS && KEXEC
Uli Luckasb98d7292008-02-22 16:45:18 +01002031 default y
Richard Purdie4cd9d6f2008-01-02 00:56:46 +01002032 help
2033 Should the atags used to boot the kernel be exported in an "atags"
2034 file in procfs. Useful with kexec.
2035
Mika Westerbergcb5d39b2010-11-18 19:14:52 +01002036config CRASH_DUMP
2037 bool "Build kdump crash kernel (EXPERIMENTAL)"
Mika Westerbergcb5d39b2010-11-18 19:14:52 +01002038 help
2039 Generate crash dump after being started by kexec. This should
2040 be normally only set in special crash dump kernels which are
2041 loaded in the main kernel with kexec-tools into a specially
2042 reserved region and then later executed after a crash by
2043 kdump/kexec. The crash dump kernel must be compiled to a
2044 memory address not used by the main kernel
2045
2046 For more details see Documentation/kdump/kdump.txt
2047
Eric Miaoe69edc792010-07-05 15:56:50 +02002048config AUTO_ZRELADDR
2049 bool "Auto calculation of the decompressed kernel image address"
2050 depends on !ZBOOT_ROM && !ARCH_U300
2051 help
2052 ZRELADDR is the physical address where the decompressed kernel
2053 image will be placed. If AUTO_ZRELADDR is selected, the address
2054 will be determined at run-time by masking the current IP with
2055 0xf8000000. This assumes the zImage being placed in the first 128MB
2056 from start of memory.
2057
Linus Torvalds1da177e2005-04-16 15:20:36 -07002058endmenu
2059
Russell Kingac9d7ef2008-08-18 17:26:00 +01002060menu "CPU Power Management"
Linus Torvalds1da177e2005-04-16 15:20:36 -07002061
Ben Dooks89c52ed2009-07-30 23:23:24 +01002062if ARCH_HAS_CPUFREQ
Linus Torvalds1da177e2005-04-16 15:20:36 -07002063source "drivers/cpufreq/Kconfig"
2064
Ben Dooks9d56c022009-07-30 23:23:25 +01002065config CPU_FREQ_S3C
2066 bool
2067 help
2068 Internal configuration node for common cpufreq on Samsung SoC
2069
2070config CPU_FREQ_S3C24XX
Russell King4a50bfe2010-12-05 23:06:22 +00002071 bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
Kees Cookd6f94fa2013-01-16 18:53:14 -08002072 depends on ARCH_S3C24XX && CPU_FREQ
Ben Dooks9d56c022009-07-30 23:23:25 +01002073 select CPU_FREQ_S3C
2074 help
2075 This enables the CPUfreq driver for the Samsung S3C24XX family
2076 of CPUs.
2077
2078 For details, take a look at <file:Documentation/cpu-freq>.
2079
2080 If in doubt, say N.
2081
2082config CPU_FREQ_S3C24XX_PLL
Russell King4a50bfe2010-12-05 23:06:22 +00002083 bool "Support CPUfreq changing of PLL frequency (EXPERIMENTAL)"
Kees Cookd6f94fa2013-01-16 18:53:14 -08002084 depends on CPU_FREQ_S3C24XX
Ben Dooks9d56c022009-07-30 23:23:25 +01002085 help
2086 Compile in support for changing the PLL frequency from the
2087 S3C24XX series CPUfreq driver. The PLL takes time to settle
2088 after a frequency change, so by default it is not enabled.
2089
2090 This also means that the PLL tables for the selected CPU(s) will
2091 be built which may increase the size of the kernel image.
2092
2093config CPU_FREQ_S3C24XX_DEBUG
2094 bool "Debug CPUfreq Samsung driver core"
2095 depends on CPU_FREQ_S3C24XX
2096 help
2097 Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
2098
2099config CPU_FREQ_S3C24XX_IODEBUG
2100 bool "Debug CPUfreq Samsung driver IO timing"
2101 depends on CPU_FREQ_S3C24XX
2102 help
2103 Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
2104
Ben Dookse6d197a2009-07-30 23:23:42 +01002105config CPU_FREQ_S3C24XX_DEBUGFS
2106 bool "Export debugfs for CPUFreq"
2107 depends on CPU_FREQ_S3C24XX && DEBUG_FS
2108 help
2109 Export status information via debugfs.
2110
Linus Torvalds1da177e2005-04-16 15:20:36 -07002111endif
2112
Russell Kingac9d7ef2008-08-18 17:26:00 +01002113source "drivers/cpuidle/Kconfig"
2114
2115endmenu
2116
Linus Torvalds1da177e2005-04-16 15:20:36 -07002117menu "Floating point emulation"
2118
2119comment "At least one emulation must be selected"
2120
2121config FPE_NWFPE
2122 bool "NWFPE math emulation"
Dave Martin593c2522010-12-13 21:56:03 +01002123 depends on (!AEABI || OABI_COMPAT) && !THUMB2_KERNEL
Linus Torvalds1da177e2005-04-16 15:20:36 -07002124 ---help---
2125 Say Y to include the NWFPE floating point emulator in the kernel.
2126 This is necessary to run most binaries. Linux does not currently
2127 support floating point hardware so you need to say Y here even if
2128 your machine has an FPA or floating point co-processor podule.
2129
2130 You may say N here if you are going to load the Acorn FPEmulator
2131 early in the bootup.
2132
2133config FPE_NWFPE_XP
2134 bool "Support extended precision"
Lennert Buytenhekbedf1422005-11-07 21:12:08 +00002135 depends on FPE_NWFPE
Linus Torvalds1da177e2005-04-16 15:20:36 -07002136 help
2137 Say Y to include 80-bit support in the kernel floating-point
2138 emulator. Otherwise, only 32 and 64-bit support is compiled in.
2139 Note that gcc does not generate 80-bit operations by default,
2140 so in most cases this option only enlarges the size of the
2141 floating point emulator without any good reason.
2142
2143 You almost surely want to say N here.
2144
2145config FPE_FASTFPE
2146 bool "FastFPE math emulation (EXPERIMENTAL)"
Kees Cookd6f94fa2013-01-16 18:53:14 -08002147 depends on (!AEABI || OABI_COMPAT) && !CPU_32v3
Linus Torvalds1da177e2005-04-16 15:20:36 -07002148 ---help---
2149 Say Y here to include the FAST floating point emulator in the kernel.
2150 This is an experimental much faster emulator which now also has full
2151 precision for the mantissa. It does not support any exceptions.
2152 It is very simple, and approximately 3-6 times faster than NWFPE.
2153
2154 It should be sufficient for most programs. It may be not suitable
2155 for scientific calculations, but you have to check this for yourself.
2156 If you do not feel you need a faster FP emulation you should better
2157 choose NWFPE.
2158
2159config VFP
2160 bool "VFP-format floating point maths"
Russell Kinge399b1a2011-01-17 15:08:32 +00002161 depends on CPU_V6 || CPU_V6K || CPU_ARM926T || CPU_V7 || CPU_FEROCEON
Linus Torvalds1da177e2005-04-16 15:20:36 -07002162 help
2163 Say Y to include VFP support code in the kernel. This is needed
2164 if your hardware includes a VFP unit.
2165
2166 Please see <file:Documentation/arm/VFP/release-notes.txt> for
2167 release notes and additional status information.
2168
2169 Say N if your target does not have VFP hardware.
2170
Catalin Marinas25ebee02007-09-25 15:22:24 +01002171config VFPv3
2172 bool
2173 depends on VFP
2174 default y if CPU_V7
2175
Catalin Marinasb5872db2008-01-10 19:16:17 +01002176config NEON
2177 bool "Advanced SIMD (NEON) Extension support"
2178 depends on VFPv3 && CPU_V7
2179 help
2180 Say Y to include support code for NEON, the ARMv7 Advanced SIMD
2181 Extension.
2182
Linus Torvalds1da177e2005-04-16 15:20:36 -07002183endmenu
2184
2185menu "Userspace binary formats"
2186
2187source "fs/Kconfig.binfmt"
2188
2189config ARTHUR
2190 tristate "RISC OS personality"
Nicolas Pitre704bdda02006-01-14 16:33:50 +00002191 depends on !AEABI
Linus Torvalds1da177e2005-04-16 15:20:36 -07002192 help
2193 Say Y here to include the kernel code necessary if you want to run
2194 Acorn RISC OS/Arthur binaries under Linux. This code is still very
2195 experimental; if this sounds frightening, say N and sleep in peace.
2196 You can also say M here to compile this support as a module (which
2197 will be called arthur).
2198
2199endmenu
2200
2201menu "Power management options"
2202
Russell Kingeceab4a2005-11-15 11:31:41 +00002203source "kernel/power/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07002204
Johannes Bergf4cb5702007-12-08 02:14:00 +01002205config ARCH_SUSPEND_POSSIBLE
Stephen Warren4b1082c2012-09-05 09:58:27 -06002206 depends on !ARCH_S5PC100
Russell King6a786182011-04-02 10:15:28 +01002207 depends on CPU_ARM920T || CPU_ARM926T || CPU_SA1100 || \
Chao Xie3f5d0812012-05-07 11:23:58 +08002208 CPU_V6 || CPU_V6K || CPU_V7 || CPU_XSC3 || CPU_XSCALE || CPU_MOHAWK
Johannes Bergf4cb5702007-12-08 02:14:00 +01002209 def_bool y
2210
Arnd Bergmann15e0d9e2011-10-01 21:09:39 +02002211config ARM_CPU_SUSPEND
2212 def_bool PM_SLEEP
2213
Linus Torvalds1da177e2005-04-16 15:20:36 -07002214endmenu
2215
Sam Ravnborgd5950b42005-07-11 21:03:49 -07002216source "net/Kconfig"
2217
Uwe Kleine-Königac251502009-08-13 21:09:21 +02002218source "drivers/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07002219
2220source "fs/Kconfig"
2221
Linus Torvalds1da177e2005-04-16 15:20:36 -07002222source "arch/arm/Kconfig.debug"
2223
2224source "security/Kconfig"
2225
2226source "crypto/Kconfig"
2227
2228source "lib/Kconfig"
Christoffer Dall749cf76c2013-01-20 18:28:06 -05002229
2230source "arch/arm/kvm/Kconfig"