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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
2# For a description of the syntax of this configuration file,
3# see Documentation/kbuild/kconfig-language.txt.
4#
5
6mainmenu "Linux/SuperH Kernel Configuration"
7
8config SUPERH
Paul Mundtea0e1a92007-11-21 15:58:01 +09009 def_bool y
Paul Mundt7a440c92006-09-27 18:18:31 +090010 select EMBEDDED
David Brownell9483a572008-07-23 21:26:48 -070011 select HAVE_CLK
Sam Ravnborgec7748b2008-02-09 10:46:40 +010012 select HAVE_IDE
Mathieu Desnoyers42d4b832008-02-02 15:10:34 -050013 select HAVE_OPROFILE
Dmitry Baryshkov9de90ac2008-07-18 13:30:31 +040014 select HAVE_GENERIC_DMA_COHERENT
Paul Mundt21944782008-09-17 23:26:44 +090015 select HAVE_IOREMAP_PROT if MMU
Linus Torvalds1da177e2005-04-16 15:20:36 -070016 help
17 The SuperH is a RISC processor targeted for use in embedded systems
18 and consumer electronics; it was also used in the Sega Dreamcast
19 gaming console. The SuperH port has a home page at
20 <http://www.linux-sh.org/>.
21
Paul Mundt39d28a22007-11-08 18:39:33 +090022config SUPERH32
Paul Mundtea0e1a92007-11-21 15:58:01 +090023 def_bool !SUPERH64
Chris Smithd39f5452008-09-05 17:15:39 +090024 select HAVE_KPROBES
25 select HAVE_KRETPROBES
Paul Mundte7ab3cd2008-09-21 19:04:55 +090026 select HAVE_ARCH_TRACEHOOK
Paul Mundt694f94f2008-10-31 16:20:36 +090027 select HAVE_FUNCTION_TRACER
Matt Flemingfad57fe2008-11-12 20:11:47 +090028 select HAVE_FTRACE_MCOUNT_RECORD
29 select HAVE_DYNAMIC_FTRACE
Paul Mundtea0e1a92007-11-21 15:58:01 +090030
31config SUPERH64
32 def_bool y if CPU_SH5
Paul Mundt39d28a22007-11-08 18:39:33 +090033
Paul Mundtf42b7e32008-07-29 20:12:51 +090034config ARCH_DEFCONFIG
35 string
36 default "arch/sh/configs/shx3_defconfig" if SUPERH32
37 default "arch/sh/configs/cayman_defconfig" if SUPERH64
38
Linus Torvalds1da177e2005-04-16 15:20:36 -070039config RWSEM_GENERIC_SPINLOCK
Harvey Harrisond7ef4fb2007-12-11 13:49:35 +090040 def_bool y
Linus Torvalds1da177e2005-04-16 15:20:36 -070041
42config RWSEM_XCHGADD_ALGORITHM
43 bool
44
Paul Mundtfa691512007-03-08 19:41:21 +090045config GENERIC_BUG
46 def_bool y
Paul Mundta82d53e2007-11-21 18:22:05 +090047 depends on BUG && SUPERH32
Paul Mundtfa691512007-03-08 19:41:21 +090048
Akinobu Mitae2268c72006-03-26 01:39:35 -080049config GENERIC_FIND_NEXT_BIT
Harvey Harrisond7ef4fb2007-12-11 13:49:35 +090050 def_bool y
Akinobu Mitae2268c72006-03-26 01:39:35 -080051
52config GENERIC_HWEIGHT
Harvey Harrisond7ef4fb2007-12-11 13:49:35 +090053 def_bool y
Akinobu Mitae2268c72006-03-26 01:39:35 -080054
Linus Torvalds1da177e2005-04-16 15:20:36 -070055config GENERIC_HARDIRQS
Harvey Harrisond7ef4fb2007-12-11 13:49:35 +090056 def_bool y
Linus Torvalds1da177e2005-04-16 15:20:36 -070057
Paul Mundt5093c9a2008-08-04 14:17:13 +090058config GENERIC_HARDIRQS_NO__DO_IRQ
59 def_bool y
Paul Mundtf9d62c02008-12-08 11:45:37 +090060 depends on SUPERH32 && (!SH_DREAMCAST && !SH_SH4202_MICRODEV && \
61 !SH_7751_SYSTEMH && !HD64461)
Paul Mundt5093c9a2008-08-04 14:17:13 +090062
Linus Torvalds1da177e2005-04-16 15:20:36 -070063config GENERIC_IRQ_PROBE
Harvey Harrisond7ef4fb2007-12-11 13:49:35 +090064 def_bool y
Linus Torvalds1da177e2005-04-16 15:20:36 -070065
Magnus Damm2967dab2008-10-08 20:41:43 +090066config GENERIC_GPIO
67 def_bool n
68
Linus Torvalds1da177e2005-04-16 15:20:36 -070069config GENERIC_CALIBRATE_DELAY
Paul Mundtcf204fa2008-09-08 20:47:42 +090070 bool
Linus Torvalds1da177e2005-04-16 15:20:36 -070071
Paul Mundtcad82442006-01-16 22:14:19 -080072config GENERIC_IOMAP
73 bool
74
Paul Mundt45882142006-10-04 13:21:45 +090075config GENERIC_TIME
76 def_bool n
77
Paul Mundt57be2b42007-05-09 17:33:24 +090078config GENERIC_CLOCKEVENTS
79 def_bool n
80
Paul Mundt8c245942008-08-06 18:37:07 +090081config GENERIC_CLOCKEVENTS_BROADCAST
82 bool
83
Paul Mundtbdcab872008-08-04 14:09:15 +090084config GENERIC_LOCKBREAK
85 def_bool y
86 depends on SMP && PREEMPT
87
Paul Mundt357d5942007-06-11 15:32:07 +090088config SYS_SUPPORTS_PM
89 bool
Magnus Dammaf998a92008-12-04 22:45:12 +090090 depends on !SMP
91
92config ARCH_SUSPEND_POSSIBLE
93 def_bool n
94
95config ARCH_HIBERNATION_POSSIBLE
96 def_bool n
Paul Mundt357d5942007-06-11 15:32:07 +090097
Paul Mundt0a9b0db2007-01-24 21:56:20 +090098config SYS_SUPPORTS_APM_EMULATION
99 bool
Magnus Dammaf998a92008-12-04 22:45:12 +0900100 select ARCH_SUSPEND_POSSIBLE
Paul Mundt357d5942007-06-11 15:32:07 +0900101
102config SYS_SUPPORTS_SMP
103 bool
104
105config SYS_SUPPORTS_NUMA
106 bool
107
108config SYS_SUPPORTS_PCI
109 bool
Paul Mundt0a9b0db2007-01-24 21:56:20 +0900110
Paul Mundtafbfb522006-12-04 18:17:28 +0900111config STACKTRACE_SUPPORT
Harvey Harrisond7ef4fb2007-12-11 13:49:35 +0900112 def_bool y
Paul Mundtafbfb522006-12-04 18:17:28 +0900113
114config LOCKDEP_SUPPORT
Harvey Harrisond7ef4fb2007-12-11 13:49:35 +0900115 def_bool y
Paul Mundtafbfb522006-12-04 18:17:28 +0900116
Paul Mundt5a89f1a2008-09-13 01:44:03 +0900117config HAVE_LATENCYTOP_SUPPORT
118 def_bool y
119 depends on !SMP
120
David Howellsf0d1b0b2006-12-08 02:37:49 -0800121config ARCH_HAS_ILOG2_U32
Harvey Harrisond7ef4fb2007-12-11 13:49:35 +0900122 def_bool n
David Howellsf0d1b0b2006-12-08 02:37:49 -0800123
124config ARCH_HAS_ILOG2_U64
Harvey Harrisond7ef4fb2007-12-11 13:49:35 +0900125 def_bool n
David Howellsf0d1b0b2006-12-08 02:37:49 -0800126
Paul Mundte257ad02007-07-25 11:18:00 +0900127config ARCH_NO_VIRT_TO_BUS
128 def_bool y
129
Magnus Damme7cc9a72008-02-07 20:18:21 +0900130config IO_TRAPPED
131 bool
132
Linus Torvalds1da177e2005-04-16 15:20:36 -0700133source "init/Kconfig"
134
Matt Helsleydc52ddc2008-10-18 20:27:21 -0700135source "kernel/Kconfig.freezer"
136
Linus Torvalds1da177e2005-04-16 15:20:36 -0700137menu "System type"
138
Paul Mundtb5f42db2007-11-08 18:38:14 +0900139#
140# Processor families
141#
142config CPU_SH2
143 bool
144
145config CPU_SH2A
146 bool
147 select CPU_SH2
148
149config CPU_SH3
150 bool
151 select CPU_HAS_INTEVT
152 select CPU_HAS_SR_RB
153
154config CPU_SH4
155 bool
156 select CPU_HAS_INTEVT
157 select CPU_HAS_SR_RB
158 select CPU_HAS_PTEA if !CPU_SH4A || CPU_SHX2
159 select CPU_HAS_FPU if !CPU_SH4AL_DSP
160
161config CPU_SH4A
162 bool
163 select CPU_SH4
164
165config CPU_SH4AL_DSP
166 bool
167 select CPU_SH4A
168 select CPU_HAS_DSP
169
Paul Mundtea0e1a92007-11-21 15:58:01 +0900170config CPU_SH5
171 bool
172 select CPU_HAS_FPU
173
Paul Mundtb5f42db2007-11-08 18:38:14 +0900174config CPU_SHX2
175 bool
176
177config CPU_SHX3
178 bool
179
180choice
181 prompt "Processor sub-type selection"
182
183#
184# Processor subtypes
185#
186
187# SH-2 Processor Support
188
189config CPU_SUBTYPE_SH7619
190 bool "Support SH7619 processor"
191 select CPU_SH2
192
193# SH-2A Processor Support
194
Peter Griffin28259992008-11-28 22:48:20 +0900195config CPU_SUBTYPE_SH7201
196 bool "Support SH7201 processor"
197 select CPU_SH2A
198 select CPU_HAS_FPU
199
Paul Mundt6d01f512007-11-26 18:17:21 +0900200config CPU_SUBTYPE_SH7203
201 bool "Support SH7203 processor"
202 select CPU_SH2A
Paul Mundt74d99a52007-11-26 20:38:36 +0900203 select CPU_HAS_FPU
Paul Mundt6d01f512007-11-26 18:17:21 +0900204
Paul Mundtb5f42db2007-11-08 18:38:14 +0900205config CPU_SUBTYPE_SH7206
206 bool "Support SH7206 processor"
207 select CPU_SH2A
208
Paul Mundta8f67f42007-11-26 19:54:02 +0900209config CPU_SUBTYPE_SH7263
210 bool "Support SH7263 processor"
211 select CPU_SH2A
Paul Mundt74d99a52007-11-26 20:38:36 +0900212 select CPU_HAS_FPU
Paul Mundta8f67f42007-11-26 19:54:02 +0900213
Paul Mundt2ad69902008-03-13 12:52:44 +0900214config CPU_SUBTYPE_MXG
215 bool "Support MX-G processor"
216 select CPU_SH2A
217 help
218 Select MX-G if running on an R8A03022BG part.
219
Paul Mundtb5f42db2007-11-08 18:38:14 +0900220# SH-3 Processor Support
221
222config CPU_SUBTYPE_SH7705
223 bool "Support SH7705 processor"
224 select CPU_SH3
225
226config CPU_SUBTYPE_SH7706
227 bool "Support SH7706 processor"
228 select CPU_SH3
229 help
230 Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
231
232config CPU_SUBTYPE_SH7707
233 bool "Support SH7707 processor"
234 select CPU_SH3
235 help
236 Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
237
238config CPU_SUBTYPE_SH7708
239 bool "Support SH7708 processor"
240 select CPU_SH3
241 help
242 Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
243 if you have a 100 Mhz SH-3 HD6417708R CPU.
244
245config CPU_SUBTYPE_SH7709
246 bool "Support SH7709 processor"
247 select CPU_SH3
248 help
249 Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
250
251config CPU_SUBTYPE_SH7710
252 bool "Support SH7710 processor"
253 select CPU_SH3
254 select CPU_HAS_DSP
255 help
256 Select SH7710 if you have a SH3-DSP SH7710 CPU.
257
258config CPU_SUBTYPE_SH7712
259 bool "Support SH7712 processor"
260 select CPU_SH3
261 select CPU_HAS_DSP
262 help
263 Select SH7712 if you have a SH3-DSP SH7712 CPU.
264
265config CPU_SUBTYPE_SH7720
266 bool "Support SH7720 processor"
267 select CPU_SH3
268 select CPU_HAS_DSP
269 help
270 Select SH7720 if you have a SH3-DSP SH7720 CPU.
271
Yoshihiro Shimoda31a49c42007-12-26 11:45:06 +0900272config CPU_SUBTYPE_SH7721
273 bool "Support SH7721 processor"
274 select CPU_SH3
275 select CPU_HAS_DSP
276 help
277 Select SH7721 if you have a SH3-DSP SH7721 CPU.
278
Paul Mundtb5f42db2007-11-08 18:38:14 +0900279# SH-4 Processor Support
280
281config CPU_SUBTYPE_SH7750
282 bool "Support SH7750 processor"
283 select CPU_SH4
284 help
285 Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
286
287config CPU_SUBTYPE_SH7091
288 bool "Support SH7091 processor"
289 select CPU_SH4
290 help
291 Select SH7091 if you have an SH-4 based Sega device (such as
292 the Dreamcast, Naomi, and Naomi 2).
293
294config CPU_SUBTYPE_SH7750R
295 bool "Support SH7750R processor"
296 select CPU_SH4
297
298config CPU_SUBTYPE_SH7750S
299 bool "Support SH7750S processor"
300 select CPU_SH4
301
302config CPU_SUBTYPE_SH7751
303 bool "Support SH7751 processor"
304 select CPU_SH4
305 help
306 Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
307 or if you have a HD6417751R CPU.
308
309config CPU_SUBTYPE_SH7751R
310 bool "Support SH7751R processor"
311 select CPU_SH4
312
313config CPU_SUBTYPE_SH7760
314 bool "Support SH7760 processor"
315 select CPU_SH4
316
317config CPU_SUBTYPE_SH4_202
318 bool "Support SH4-202 processor"
319 select CPU_SH4
320
321# SH-4A Processor Support
322
Paul Mundt178dd0c2008-04-09 17:56:18 +0900323config CPU_SUBTYPE_SH7723
324 bool "Support SH7723 processor"
325 select CPU_SH4A
326 select CPU_SHX2
327 select ARCH_SPARSEMEM_ENABLE
Paul Mundt178dd0c2008-04-09 17:56:18 +0900328 help
329 Select SH7723 if you have an SH-MobileR2 CPU.
330
Yoshihiro Shimoda7d740a02008-01-07 14:40:07 +0900331config CPU_SUBTYPE_SH7763
332 bool "Support SH7763 processor"
333 select CPU_SH4A
334 help
335 Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
336
Paul Mundtb5f42db2007-11-08 18:38:14 +0900337config CPU_SUBTYPE_SH7770
338 bool "Support SH7770 processor"
339 select CPU_SH4A
340
341config CPU_SUBTYPE_SH7780
342 bool "Support SH7780 processor"
343 select CPU_SH4A
344
345config CPU_SUBTYPE_SH7785
346 bool "Support SH7785 processor"
347 select CPU_SH4A
348 select CPU_SHX2
349 select ARCH_SPARSEMEM_ENABLE
350 select SYS_SUPPORTS_NUMA
351
352config CPU_SUBTYPE_SHX3
353 bool "Support SH-X3 processor"
354 select CPU_SH4A
355 select CPU_SHX3
356 select ARCH_SPARSEMEM_ENABLE
357 select SYS_SUPPORTS_NUMA
358 select SYS_SUPPORTS_SMP
Paul Mundt58402632008-09-05 15:36:39 +0900359 select GENERIC_CLOCKEVENTS_BROADCAST if SMP
Paul Mundtb5f42db2007-11-08 18:38:14 +0900360
361# SH4AL-DSP Processor Support
362
363config CPU_SUBTYPE_SH7343
364 bool "Support SH7343 processor"
365 select CPU_SH4AL_DSP
366
367config CPU_SUBTYPE_SH7722
368 bool "Support SH7722 processor"
369 select CPU_SH4AL_DSP
370 select CPU_SHX2
371 select ARCH_SPARSEMEM_ENABLE
372 select SYS_SUPPORTS_NUMA
373
Magnus Damm9109a302008-02-08 17:31:24 +0900374config CPU_SUBTYPE_SH7366
375 bool "Support SH7366 processor"
376 select CPU_SH4AL_DSP
377 select CPU_SHX2
378 select ARCH_SPARSEMEM_ENABLE
379 select SYS_SUPPORTS_NUMA
380
Paul Mundtea0e1a92007-11-21 15:58:01 +0900381# SH-5 Processor Support
382
383config CPU_SUBTYPE_SH5_101
384 bool "Support SH5-101 processor"
385 select CPU_SH5
386
387config CPU_SUBTYPE_SH5_103
388 bool "Support SH5-103 processor"
Paul Mundt8ef97dd2008-02-14 15:30:54 +0900389 select CPU_SH5
Paul Mundtea0e1a92007-11-21 15:58:01 +0900390
Paul Mundtb5f42db2007-11-08 18:38:14 +0900391endchoice
392
Paul Mundtcad82442006-01-16 22:14:19 -0800393source "arch/sh/mm/Kconfig"
Paul Mundt939a24a2008-07-29 21:41:37 +0900394
Paul Mundt4690bdc2007-11-09 13:45:42 +0900395source "arch/sh/Kconfig.cpu"
Paul Mundtcad82442006-01-16 22:14:19 -0800396
Paul Mundt939a24a2008-07-29 21:41:37 +0900397source "arch/sh/boards/Kconfig"
Paul Mundtf3d22292007-05-14 17:29:12 +0900398
Paul Mundt32351a22007-03-12 14:38:59 +0900399menu "Timer and clock configuration"
400
Paul Mundtcad82442006-01-16 22:14:19 -0800401config SH_TMU
Harvey Harrisond7ef4fb2007-12-11 13:49:35 +0900402 def_bool y
403 prompt "TMU timer support"
Yoshinori Sato9d4436a2006-11-05 15:40:13 +0900404 depends on CPU_SH3 || CPU_SH4
Paul Mundt57be2b42007-05-09 17:33:24 +0900405 select GENERIC_TIME
406 select GENERIC_CLOCKEVENTS
Paul Mundtcad82442006-01-16 22:14:19 -0800407 help
408 This enables the use of the TMU as the system timer.
409
Yoshinori Sato9d4436a2006-11-05 15:40:13 +0900410config SH_CMT
Harvey Harrisond7ef4fb2007-12-11 13:49:35 +0900411 def_bool y
412 prompt "CMT timer support"
Paul Mundt2ad69902008-03-13 12:52:44 +0900413 depends on CPU_SH2 && !CPU_SUBTYPE_MXG
Yoshinori Sato9d4436a2006-11-05 15:40:13 +0900414 help
415 This enables the use of the CMT as the system timer.
416
417config SH_MTU2
Harvey Harrisond7ef4fb2007-12-11 13:49:35 +0900418 def_bool n
419 prompt "MTU2 timer support"
Yoshinori Sato9d4436a2006-11-05 15:40:13 +0900420 depends on CPU_SH2A
Yoshinori Sato9d4436a2006-11-05 15:40:13 +0900421 help
422 This enables the use of the MTU2 as the system timer.
423
Paul Mundt417528a2006-11-20 11:18:30 +0900424config SH_TIMER_IRQ
425 int
Yoshihiro Shimoda7d740a02008-01-07 14:40:07 +0900426 default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 || \
427 CPU_SUBTYPE_SH7763
Paul Mundt417528a2006-11-20 11:18:30 +0900428 default "86" if CPU_SUBTYPE_SH7619
429 default "140" if CPU_SUBTYPE_SH7206
Paul Mundt2b2d4e72008-03-13 19:51:06 +0900430 default "142" if CPU_SUBTYPE_SH7203
Paul Mundt2ad69902008-03-13 12:52:44 +0900431 default "238" if CPU_SUBTYPE_MXG
Paul Mundt417528a2006-11-20 11:18:30 +0900432 default "16"
433
Paul Mundtcad82442006-01-16 22:14:19 -0800434config SH_PCLK_FREQ
435 int "Peripheral clock frequency (in Hz)"
Magnus Damm870e8a22007-07-25 10:49:21 +0900436 default "27000000" if CPU_SUBTYPE_SH7343
Yoshinori Sato9d4436a2006-11-05 15:40:13 +0900437 default "31250000" if CPU_SUBTYPE_SH7619
Paul Mundt05627482007-05-15 16:25:47 +0900438 default "32000000" if CPU_SUBTYPE_SH7722
Paul Mundt178dd0c2008-04-09 17:56:18 +0900439 default "33333333" if CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7723 || \
Yoshinori Sato9d4436a2006-11-05 15:40:13 +0900440 CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
Paul Mundta8f67f42007-11-26 19:54:02 +0900441 CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \
Paul Mundt2ad69902008-03-13 12:52:44 +0900442 CPU_SUBTYPE_SH7263 || CPU_SUBTYPE_MXG
Paul Mundt05627482007-05-15 16:25:47 +0900443 default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
Paul Mundtcad82442006-01-16 22:14:19 -0800444 default "66000000" if CPU_SUBTYPE_SH4_202
Paul Mundt05627482007-05-15 16:25:47 +0900445 default "50000000"
Paul Mundtcad82442006-01-16 22:14:19 -0800446 help
447 This option is used to specify the peripheral clock frequency.
448 This is necessary for determining the reference clock value on
449 platforms lacking an RTC.
450
Yoshinori Sato9d4436a2006-11-05 15:40:13 +0900451config SH_CLK_MD
452 int "CPU Mode Pin Setting"
Paul Mundt6d01f512007-11-26 18:17:21 +0900453 depends on CPU_SH2
Paul Mundt357d5942007-06-11 15:32:07 +0900454 default 6 if CPU_SUBTYPE_SH7206
455 default 5 if CPU_SUBTYPE_SH7619
456 default 0
Yoshinori Sato9d4436a2006-11-05 15:40:13 +0900457 help
Yoshinori Sato11cbb702006-12-07 18:07:27 +0900458 MD2 - MD0 pin setting.
Yoshinori Sato9d4436a2006-11-05 15:40:13 +0900459
Paul Mundt57be2b42007-05-09 17:33:24 +0900460source "kernel/time/Kconfig"
461
Paul Mundt32351a22007-03-12 14:38:59 +0900462endmenu
463
Paul Mundtcad82442006-01-16 22:14:19 -0800464menu "CPU Frequency scaling"
465
466source "drivers/cpufreq/Kconfig"
467
468config SH_CPU_FREQ
469 tristate "SuperH CPU Frequency driver"
Paul Mundtcb5ec752007-07-20 13:38:19 +0900470 depends on CPU_FREQ
Paul Mundtcad82442006-01-16 22:14:19 -0800471 select CPU_FREQ_TABLE
472 help
473 This adds the cpufreq driver for SuperH. At present, only
474 the SH-4 is supported.
475
476 For details, take a look at <file:Documentation/cpu-freq>.
477
478 If unsure, say N.
479
480endmenu
481
Paul Mundt9f5e8ee2006-11-24 11:22:57 +0900482source "arch/sh/drivers/Kconfig"
483
Paul Mundtcad82442006-01-16 22:14:19 -0800484endmenu
485
486config ISA_DMA_API
Adrian Bunkf5f826c2008-03-31 01:40:17 +0300487 bool
Paul Mundtcad82442006-01-16 22:14:19 -0800488
489menu "Kernel features"
490
Paul Mundt91b91d02006-09-27 18:08:33 +0900491source kernel/Kconfig.hz
492
Paul Mundtcad82442006-01-16 22:14:19 -0800493config KEXEC
494 bool "kexec system call (EXPERIMENTAL)"
Paul Mundt640f7482008-04-25 13:04:56 +0900495 depends on SUPERH32 && EXPERIMENTAL
Paul Mundtcad82442006-01-16 22:14:19 -0800496 help
497 kexec is a system call that implements the ability to shutdown your
498 current kernel, and to start another kernel. It is like a reboot
Matt LaPlante1f1332f2006-06-29 01:32:47 -0400499 but it is independent of the system firmware. And like a reboot
Paul Mundtcad82442006-01-16 22:14:19 -0800500 you can start any kernel with it, not just Linux.
501
Matt LaPlante1f1332f2006-06-29 01:32:47 -0400502 The name comes from the similarity to the exec system call.
Paul Mundtcad82442006-01-16 22:14:19 -0800503
504 It is an ongoing process to be certain the hardware in a machine
505 is properly shutdown, so do not be surprised if this code does not
506 initially work for you. It may help to enable device hotplugging
507 support. As of this writing the exact hardware interface is
508 strongly in flux, so no good recommendation can be made.
509
Paul Mundt4d5ade52007-04-27 11:25:57 +0900510config CRASH_DUMP
511 bool "kernel crash dumps (EXPERIMENTAL)"
Paul Mundt640f7482008-04-25 13:04:56 +0900512 depends on SUPERH32 && EXPERIMENTAL
Paul Mundt4d5ade52007-04-27 11:25:57 +0900513 help
514 Generate crash dump after being started by kexec.
515 This should be normally only set in special crash dump kernels
516 which are loaded in the main kernel with kexec-tools into
517 a specially reserved region and then later executed after
518 a crash by kdump/kexec. The crash dump kernel must be compiled
519 to a memory address not used by the main kernel using
520 MEMORY_START.
521
522 For more details see Documentation/kdump/kdump.txt
523
Paul Mundtc4637d42008-07-30 15:30:52 +0900524config SECCOMP
525 bool "Enable seccomp to safely compute untrusted bytecode"
526 depends on PROC_FS
Paul Mundtc4637d42008-07-30 15:30:52 +0900527 help
528 This kernel feature is useful for number crunching applications
529 that may need to compute untrusted bytecode during their
530 execution. By using pipes or other transports made available to
531 the process as file descriptors supporting the read/write
532 syscalls, it's possible to isolate those applications in
533 their own address space using seccomp. Once seccomp is
534 enabled via prctl, it cannot be disabled and the task is only
535 allowed to execute a few safe syscalls defined by each seccomp
536 mode.
537
538 If unsure, say N.
539
Linus Torvalds1da177e2005-04-16 15:20:36 -0700540config SMP
541 bool "Symmetric multi-processing support"
Paul Mundt357d5942007-06-11 15:32:07 +0900542 depends on SYS_SUPPORTS_SMP
Jens Axboe490f5de2008-06-10 20:52:59 +0200543 select USE_GENERIC_SMP_HELPERS
Linus Torvalds1da177e2005-04-16 15:20:36 -0700544 ---help---
545 This enables support for systems with more than one CPU. If you have
546 a system with only one CPU, like most personal computers, say N. If
547 you have a system with more than one CPU, say Y.
548
549 If you say N here, the kernel will run on single and multiprocessor
550 machines, but will use only one CPU of a multiprocessor machine. If
551 you say Y here, the kernel will run on many, but not all,
552 singleprocessor machines. On a singleprocessor machine, the kernel
553 will run faster if you say N here.
554
555 People using multiprocessor machines who say Y here should also say
556 Y to "Enhanced Real Time Clock Support", below.
557
Adrian Bunk03502fa2008-02-03 15:50:21 +0200558 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
559 available at <http://www.tldp.org/docs.html#howto>.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700560
561 If you don't know what to do here, say N.
562
563config NR_CPUS
564 int "Maximum number of CPUs (2-32)"
565 range 2 32
566 depends on SMP
Paul Mundt2b1bd1a2007-06-20 18:27:10 +0900567 default "4" if CPU_SHX3
Linus Torvalds1da177e2005-04-16 15:20:36 -0700568 default "2"
569 help
570 This allows you to specify the maximum number of CPUs which this
571 kernel will support. The maximum supported value is 32 and the
572 minimum value which makes sense is 2.
573
574 This is purely to save memory - each supported CPU adds
575 approximately eight kilobytes to the kernel image.
576
Paul Mundt91b91d02006-09-27 18:08:33 +0900577source "kernel/Kconfig.preempt"
578
Paul Mundt83662462007-09-28 16:04:49 +0900579config GUSA
580 def_bool y
Stuart Menefy1efe4ce2007-11-30 16:12:36 +0900581 depends on !SMP && SUPERH32
Paul Mundt83662462007-09-28 16:04:49 +0900582 help
583 This enables support for gUSA (general UserSpace Atomicity).
584 This is the default implementation for both UP and non-ll/sc
585 CPUs, and is used by the libc, amongst others.
586
587 For additional information, design information can be found
588 in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
589
590 This should only be disabled for special cases where alternate
591 atomicity implementations exist.
592
Stuart Menefy1efe4ce2007-11-30 16:12:36 +0900593config GUSA_RB
594 bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
595 depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
596 help
597 Enabling this option will allow the kernel to implement some
598 atomic operations using a software implemention of load-locked/
599 store-conditional (LLSC). On machines which do not have hardware
600 LLSC, this should be more efficient than the other alternative of
601 disabling insterrupts around the atomic sequence.
602
Paul Mundtcad82442006-01-16 22:14:19 -0800603endmenu
604
605menu "Boot options"
606
607config ZERO_PAGE_OFFSET
608 hex "Zero page offset"
Adrian Bunkf5f826c2008-03-31 01:40:17 +0300609 default "0x00004000" if SH_SH03
Paul Mundt7a847f82006-12-26 15:29:19 +0900610 default "0x00010000" if PAGE_SIZE_64KB
611 default "0x00002000" if PAGE_SIZE_8KB
Paul Mundtcad82442006-01-16 22:14:19 -0800612 default "0x00001000"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700613 help
Paul Mundtcad82442006-01-16 22:14:19 -0800614 This sets the default offset of zero page.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700615
Paul Mundtcad82442006-01-16 22:14:19 -0800616config BOOT_LINK_OFFSET
617 hex "Link address offset for booting"
618 default "0x00800000"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700619 help
Paul Mundtcad82442006-01-16 22:14:19 -0800620 This option allows you to set the link address offset of the zImage.
621 This can be useful if you are on a board which has a small amount of
622 memory.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700623
Paul Mundtcad82442006-01-16 22:14:19 -0800624config UBC_WAKEUP
625 bool "Wakeup UBC on startup"
Paul Mundt0e3a9aa2007-11-06 15:55:36 +0900626 depends on CPU_SH4 && !CPU_SH4A
Paul Mundtcad82442006-01-16 22:14:19 -0800627 help
628 Selecting this option will wakeup the User Break Controller (UBC) on
629 startup. Although the UBC is left in an awake state when the processor
630 comes up, some boot loaders misbehave by putting the UBC to sleep in a
631 power saving state, which causes issues with things like ptrace().
Linus Torvalds1da177e2005-04-16 15:20:36 -0700632
633 If unsure, say N.
634
Paul Mundtcad82442006-01-16 22:14:19 -0800635config CMDLINE_BOOL
636 bool "Default bootloader kernel arguments"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700637
Paul Mundtcad82442006-01-16 22:14:19 -0800638config CMDLINE
639 string "Initial kernel command string"
640 depends on CMDLINE_BOOL
641 default "console=ttySC1,115200"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700642
643endmenu
644
Paul Mundtcad82442006-01-16 22:14:19 -0800645menu "Bus options"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700646
647# Even on SuperH devices which don't have an ISA bus,
648# this variable helps the PCMCIA modules handle
649# IRQ requesting properly -- Greg Banks.
650#
651# Though we're generally not interested in it when
652# we're not using PCMCIA, so we make it dependent on
653# PCMCIA outright. -- PFM.
654config ISA
Paul Mundt357d5942007-06-11 15:32:07 +0900655 def_bool y
656 depends on PCMCIA && HD6446X_SERIES
Linus Torvalds1da177e2005-04-16 15:20:36 -0700657 help
658 Find out whether you have ISA slots on your motherboard. ISA is the
659 name of a bus system, i.e. the way the CPU talks to the other stuff
660 inside your box. Other bus systems are PCI, EISA, MicroChannel
661 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
662 newer boards don't support it. If you have ISA, say Y, otherwise N.
663
664config EISA
665 bool
666 ---help---
667 The Extended Industry Standard Architecture (EISA) bus was
668 developed as an open alternative to the IBM MicroChannel bus.
669
670 The EISA bus provided some of the features of the IBM MicroChannel
671 bus while maintaining backward compatibility with cards made for
672 the older ISA bus. The EISA bus saw limited use between 1988 and
673 1995 when it was made obsolete by the PCI bus.
674
675 Say Y here if you are building a kernel for an EISA-based machine.
676
677 Otherwise, say N.
678
679config MCA
680 bool
681 help
682 MicroChannel Architecture is found in some IBM PS/2 machines and
683 laptops. It is a bus system similar to PCI or ISA. See
684 <file:Documentation/mca.txt> (and especially the web page given
685 there) before attempting to build an MCA bus kernel.
686
687config SBUS
688 bool
689
Paul Mundtcad82442006-01-16 22:14:19 -0800690config SUPERHYWAY
691 tristate "SuperHyway Bus support"
692 depends on CPU_SUBTYPE_SH4_202
Linus Torvalds1da177e2005-04-16 15:20:36 -0700693
Adrian McMenamin17be2d22007-09-21 15:55:55 +0900694config MAPLE
695 bool "Maple Bus support"
696 depends on SH_DREAMCAST
697 help
698 The Maple Bus is SEGA's serial communication bus for peripherals
699 on the Dreamcast. Without this bus support you won't be able to
700 get your Dreamcast keyboard etc to work, so most users
701 probably want to say 'Y' here, unless you are only using the
702 Dreamcast with a serial line terminal or a remote network
703 connection.
704
Paul Mundt824e55f2007-06-20 18:01:52 +0900705config CF_ENABLER
706 bool "Compact Flash Enabler support"
707 depends on SOLUTION_ENGINE || SH_SH03
708 ---help---
709 Compact Flash is a small, removable mass storage device introduced
710 in 1994 originally as a PCMCIA device. If you say `Y' here, you
711 compile in support for Compact Flash devices directly connected to
712 a SuperH processor. A Compact Flash FAQ is available at
713 <http://www.compactflash.org/faqs/faq.htm>.
714
715 If your board has "Directly Connected" CompactFlash at area 5 or 6,
716 you may want to enable this option. Then, you can use CF as
717 primary IDE drive (only tested for SanDisk).
718
719 If in doubt, select 'N'.
720
721choice
722 prompt "Compact Flash Connection Area"
723 depends on CF_ENABLER
724 default CF_AREA6
725
726config CF_AREA5
727 bool "Area5"
728 help
729 If your board has "Directly Connected" CompactFlash, You should
730 select the area where your CF is connected to.
731
732 - "Area5" if CompactFlash is connected to Area 5 (0x14000000)
733 - "Area6" if it is connected to Area 6 (0x18000000)
734
735 "Area6" will work for most boards.
736
737config CF_AREA6
738 bool "Area6"
739
740endchoice
741
742config CF_BASE_ADDR
743 hex
744 depends on CF_ENABLER
745 default "0xb8000000" if CF_AREA6
746 default "0xb4000000" if CF_AREA5
747
Linus Torvalds1da177e2005-04-16 15:20:36 -0700748source "arch/sh/drivers/pci/Kconfig"
749
750source "drivers/pci/Kconfig"
751
752source "drivers/pcmcia/Kconfig"
753
754source "drivers/pci/hotplug/Kconfig"
755
756endmenu
757
758menu "Executable file formats"
759
760source "fs/Kconfig.binfmt"
761
762endmenu
763
Andriy Skulysh3aa770e2006-09-27 16:20:22 +0900764menu "Power management options (EXPERIMENTAL)"
Magnus Dammaf998a92008-12-04 22:45:12 +0900765depends on EXPERIMENTAL
Johannes Bergf4cb5702007-12-08 02:14:00 +0100766
Andriy Skulysh3aa770e2006-09-27 16:20:22 +0900767source kernel/power/Kconfig
768
Andriy Skulysh3aa770e2006-09-27 16:20:22 +0900769endmenu
770
Sam Ravnborgd5950b42005-07-11 21:03:49 -0700771source "net/Kconfig"
772
Linus Torvalds1da177e2005-04-16 15:20:36 -0700773source "drivers/Kconfig"
774
775source "fs/Kconfig"
776
Linus Torvalds1da177e2005-04-16 15:20:36 -0700777source "arch/sh/Kconfig.debug"
778
779source "security/Kconfig"
780
781source "crypto/Kconfig"
782
783source "lib/Kconfig"