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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
9 bool
10 default y
Paul Mundt7a440c92006-09-27 18:18:31 +090011 select EMBEDDED
Linus Torvalds1da177e2005-04-16 15:20:36 -070012 help
13 The SuperH is a RISC processor targeted for use in embedded systems
14 and consumer electronics; it was also used in the Sega Dreamcast
15 gaming console. The SuperH port has a home page at
16 <http://www.linux-sh.org/>.
17
Linus Torvalds1da177e2005-04-16 15:20:36 -070018config RWSEM_GENERIC_SPINLOCK
19 bool
20 default y
21
22config RWSEM_XCHGADD_ALGORITHM
23 bool
24
Paul Mundtfa691512007-03-08 19:41:21 +090025config GENERIC_BUG
26 def_bool y
27 depends on BUG
28
Akinobu Mitae2268c72006-03-26 01:39:35 -080029config GENERIC_FIND_NEXT_BIT
30 bool
31 default y
32
33config GENERIC_HWEIGHT
34 bool
35 default y
36
Linus Torvalds1da177e2005-04-16 15:20:36 -070037config GENERIC_HARDIRQS
38 bool
39 default y
40
41config GENERIC_IRQ_PROBE
42 bool
43 default y
44
45config GENERIC_CALIBRATE_DELAY
46 bool
47 default y
48
Paul Mundtcad82442006-01-16 22:14:19 -080049config GENERIC_IOMAP
50 bool
51
Paul Mundt45882142006-10-04 13:21:45 +090052config GENERIC_TIME
53 def_bool n
54
Paul Mundt57be2b42007-05-09 17:33:24 +090055config GENERIC_CLOCKEVENTS
56 def_bool n
57
Paul Mundt357d5942007-06-11 15:32:07 +090058config SYS_SUPPORTS_PM
59 bool
60
Paul Mundt0a9b0db2007-01-24 21:56:20 +090061config SYS_SUPPORTS_APM_EMULATION
62 bool
Paul Mundt357d5942007-06-11 15:32:07 +090063 select SYS_SUPPORTS_PM
64
65config SYS_SUPPORTS_SMP
66 bool
67
68config SYS_SUPPORTS_NUMA
69 bool
70
71config SYS_SUPPORTS_PCI
72 bool
Paul Mundt0a9b0db2007-01-24 21:56:20 +090073
viro@ZenIV.linux.org.uka08b6b72005-09-06 01:48:42 +010074config ARCH_MAY_HAVE_PC_FDC
75 bool
viro@ZenIV.linux.org.uka08b6b72005-09-06 01:48:42 +010076
Paul Mundtafbfb522006-12-04 18:17:28 +090077config STACKTRACE_SUPPORT
78 bool
79 default y
80
81config LOCKDEP_SUPPORT
82 bool
83 default y
84
David Howellsf0d1b0b2006-12-08 02:37:49 -080085config ARCH_HAS_ILOG2_U32
86 bool
87 default n
88
89config ARCH_HAS_ILOG2_U64
90 bool
91 default n
92
Paul Mundte257ad02007-07-25 11:18:00 +090093config ARCH_NO_VIRT_TO_BUS
94 def_bool y
95
Linus Torvalds1da177e2005-04-16 15:20:36 -070096source "init/Kconfig"
97
98menu "System type"
99
Paul Mundtcad82442006-01-16 22:14:19 -0800100source "arch/sh/mm/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101
Paul Mundtcad82442006-01-16 22:14:19 -0800102menu "Processor features"
103
Paul Mundt53644082006-11-21 11:12:19 +0900104choice
105 prompt "Endianess selection"
106 default CPU_LITTLE_ENDIAN
Paul Mundtcad82442006-01-16 22:14:19 -0800107 help
108 Some SuperH machines can be configured for either little or big
Paul Mundt53644082006-11-21 11:12:19 +0900109 endian byte order. These modes require different kernels.
110
111config CPU_LITTLE_ENDIAN
112 bool "Little Endian"
113
114config CPU_BIG_ENDIAN
115 bool "Big Endian"
116
117endchoice
Paul Mundtcad82442006-01-16 22:14:19 -0800118
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119config SH_FPU
120 bool "FPU support"
Paul Mundt1db4e9b2007-09-11 18:10:23 +0900121 depends on CPU_HAS_FPU
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122 default y
123 help
124 Selecting this option will enable support for SH processors that
125 have FPU units (ie, SH77xx).
126
127 This option must be set in order to enable the FPU.
128
Takashi YOSHII4b565682006-09-27 17:15:32 +0900129config SH_FPU_EMU
130 bool "FPU emulation support"
131 depends on !SH_FPU && EXPERIMENTAL
132 default n
133 help
134 Selecting this option will enable support for software FPU emulation.
135 Most SH-3 users will want to say Y here, whereas most SH-4 users will
136 want to say N.
137
Linus Torvalds1da177e2005-04-16 15:20:36 -0700138config SH_DSP
139 bool "DSP support"
Paul Mundtac79fd52007-07-25 16:26:10 +0900140 depends on CPU_HAS_DSP
141 default y
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142 help
143 Selecting this option will enable support for SH processors that
Paul Mundte5723e02006-09-27 17:38:11 +0900144 have DSP units (ie, SH2-DSP, SH3-DSP, and SH4AL-DSP).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700145
146 This option must be set in order to enable the DSP.
147
148config SH_ADC
149 bool "ADC support"
150 depends on CPU_SH3
151 default y
152 help
153 Selecting this option will allow the Linux kernel to use SH3 on-chip
154 ADC module.
155
156 If unsure, say N.
157
Linus Torvalds1da177e2005-04-16 15:20:36 -0700158config SH_STORE_QUEUES
159 bool "Support for Store Queues"
160 depends on CPU_SH4
161 help
162 Selecting this option will enable an in-kernel API for manipulating
163 the store queues integrated in the SH-4 processors.
164
Paul Mundt45ed2852007-03-08 18:12:17 +0900165config SPECULATIVE_EXECUTION
166 bool "Speculative subroutine return"
167 depends on CPU_SUBTYPE_SH7780 && EXPERIMENTAL
168 help
169 This enables support for a speculative instruction fetch for
170 subroutine return. There are various pitfalls associated with
171 this, as outlined in the SH7780 hardware manual.
172
173 If unsure, say N.
174
Paul Mundtcad82442006-01-16 22:14:19 -0800175config CPU_HAS_INTEVT
176 bool
177
Paul Mundtba463932006-09-27 18:01:16 +0900178config CPU_HAS_MASKREG_IRQ
179 bool
180
Jamie Lenehanea0f8fe2006-12-06 12:05:02 +0900181config CPU_HAS_IPR_IRQ
182 bool
183
Paul Mundtcad82442006-01-16 22:14:19 -0800184config CPU_HAS_SR_RB
185 bool "CPU has SR.RB"
186 depends on CPU_SH3 || CPU_SH4
187 default y
188 help
189 This will enable the use of SR.RB register bank usage. Processors
190 that are lacking this bit must have another method in place for
191 accomplishing what is taken care of by the banked registers.
192
193 See <file:Documentation/sh/register-banks.txt> for further
194 information on SR.RB and register banking in the kernel in general.
195
Stuart Menefy9b3a53a2006-11-24 11:42:24 +0900196config CPU_HAS_PTEA
197 bool
198
Paul Mundtac79fd52007-07-25 16:26:10 +0900199config CPU_HAS_DSP
200 bool
201
Paul Mundt1db4e9b2007-09-11 18:10:23 +0900202config CPU_HAS_FPU
203 bool
204
Paul Mundtcad82442006-01-16 22:14:19 -0800205endmenu
206
Paul Mundtf3d22292007-05-14 17:29:12 +0900207menu "Board support"
208
209config SOLUTION_ENGINE
210 bool
211
212config SH_SOLUTION_ENGINE
213 bool "SolutionEngine"
214 select SOLUTION_ENGINE
Magnus Damm56386f62007-07-20 18:44:49 +0900215 select CPU_HAS_IPR_IRQ
Paul Mundtf3d22292007-05-14 17:29:12 +0900216 depends on CPU_SUBTYPE_SH7709 || CPU_SUBTYPE_SH7750
217 help
218 Select SolutionEngine if configuring for a Hitachi SH7709
219 or SH7750 evaluation board.
220
221config SH_7206_SOLUTION_ENGINE
222 bool "SolutionEngine7206"
223 select SOLUTION_ENGINE
224 depends on CPU_SUBTYPE_SH7206
225 help
226 Select 7206 SolutionEngine if configuring for a Hitachi SH7206
227 evaluation board.
228
229config SH_7619_SOLUTION_ENGINE
230 bool "SolutionEngine7619"
231 select SOLUTION_ENGINE
232 depends on CPU_SUBTYPE_SH7619
233 help
234 Select 7619 SolutionEngine if configuring for a Hitachi SH7619
235 evaluation board.
236
237config SH_7722_SOLUTION_ENGINE
238 bool "SolutionEngine7722"
239 select SOLUTION_ENGINE
240 depends on CPU_SUBTYPE_SH7722
241 help
242 Select 7722 SolutionEngine if configuring for a Hitachi SH772
243 evaluation board.
244
245config SH_7751_SOLUTION_ENGINE
246 bool "SolutionEngine7751"
247 select SOLUTION_ENGINE
Magnus Damm56386f62007-07-20 18:44:49 +0900248 select CPU_HAS_IPR_IRQ
Paul Mundtf3d22292007-05-14 17:29:12 +0900249 depends on CPU_SUBTYPE_SH7751
250 help
251 Select 7751 SolutionEngine if configuring for a Hitachi SH7751
252 evaluation board.
253
254config SH_7780_SOLUTION_ENGINE
255 bool "SolutionEngine7780"
256 select SOLUTION_ENGINE
Paul Mundt357d5942007-06-11 15:32:07 +0900257 select SYS_SUPPORTS_PCI
Paul Mundtf3d22292007-05-14 17:29:12 +0900258 depends on CPU_SUBTYPE_SH7780
259 help
260 Select 7780 SolutionEngine if configuring for a Renesas SH7780
261 evaluation board.
262
Paul Mundtf3d22292007-05-14 17:29:12 +0900263config SH_7343_SOLUTION_ENGINE
264 bool "SolutionEngine7343"
265 select SOLUTION_ENGINE
266 depends on CPU_SUBTYPE_SH7343
267 help
268 Select 7343 SolutionEngine if configuring for a Hitachi
269 SH7343 (SH-Mobile 3AS) evaluation board.
270
Paul Mundtf3d22292007-05-14 17:29:12 +0900271config SH_7751_SYSTEMH
272 bool "SystemH7751R"
273 depends on CPU_SUBTYPE_SH7751R
274 help
275 Select SystemH if you are configuring for a Renesas SystemH
276 7751R evaluation board.
277
278config SH_HP6XX
279 bool "HP6XX"
280 select SYS_SUPPORTS_APM_EMULATION
Paul Mundt357d5942007-06-11 15:32:07 +0900281 select HD6446X_SERIES
Paul Mundtf3d22292007-05-14 17:29:12 +0900282 depends on CPU_SUBTYPE_SH7709
283 help
284 Select HP6XX if configuring for a HP jornada HP6xx.
285 More information (hardware only) at
286 <http://www.hp.com/jornada/>.
287
Paul Mundtf3d22292007-05-14 17:29:12 +0900288config SH_DREAMCAST
289 bool "Dreamcast"
Paul Mundt357d5942007-06-11 15:32:07 +0900290 select SYS_SUPPORTS_PCI
Paul Mundtf3d22292007-05-14 17:29:12 +0900291 depends on CPU_SUBTYPE_SH7091
292 help
293 Select Dreamcast if configuring for a SEGA Dreamcast.
294 More information at
295 <http://www.m17n.org/linux-sh/dreamcast/>. There is a
296 Dreamcast project is at <http://linuxdc.sourceforge.net/>.
297
298config SH_MPC1211
299 bool "Interface MPC1211"
300 depends on CPU_SUBTYPE_SH7751 && BROKEN
301 help
302 CTP/PCI-SH02 is a CPU module computer that is produced
303 by Interface Corporation.
304 More information at <http://www.interface.co.jp>
305
306config SH_SH03
307 bool "Interface CTP/PCI-SH03"
Magnus Dammd59645d2007-08-03 14:23:35 +0900308 depends on CPU_SUBTYPE_SH7751
Magnus Damm56386f62007-07-20 18:44:49 +0900309 select CPU_HAS_IPR_IRQ
Paul Mundt357d5942007-06-11 15:32:07 +0900310 select SYS_SUPPORTS_PCI
Paul Mundtf3d22292007-05-14 17:29:12 +0900311 help
312 CTP/PCI-SH03 is a CPU module computer that is produced
313 by Interface Corporation.
314 More information at <http://www.interface.co.jp>
315
316config SH_SECUREEDGE5410
317 bool "SecureEdge5410"
318 depends on CPU_SUBTYPE_SH7751R
Magnus Damm56386f62007-07-20 18:44:49 +0900319 select CPU_HAS_IPR_IRQ
Paul Mundt357d5942007-06-11 15:32:07 +0900320 select SYS_SUPPORTS_PCI
Paul Mundtf3d22292007-05-14 17:29:12 +0900321 help
322 Select SecureEdge5410 if configuring for a SnapGear SH board.
323 This includes both the OEM SecureEdge products as well as the
324 SME product line.
325
326config SH_HS7751RVOIP
327 bool "HS7751RVOIP"
328 depends on CPU_SUBTYPE_SH7751R
329 help
330 Select HS7751RVOIP if configuring for a Renesas Technology
331 Sales VoIP board.
332
333config SH_7710VOIPGW
334 bool "SH7710-VOIP-GW"
335 depends on CPU_SUBTYPE_SH7710
336 help
337 Select this option to build a kernel for the SH7710 based
338 VOIP GW.
339
340config SH_RTS7751R2D
341 bool "RTS7751R2D"
342 depends on CPU_SUBTYPE_SH7751R
Paul Mundt357d5942007-06-11 15:32:07 +0900343 select SYS_SUPPORTS_PCI
Paul Mundtf3d22292007-05-14 17:29:12 +0900344 help
345 Select RTS7751R2D if configuring for a Renesas Technology
346 Sales SH-Graphics board.
347
348config SH_HIGHLANDER
349 bool "Highlander"
350 depends on CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
Paul Mundt357d5942007-06-11 15:32:07 +0900351 select SYS_SUPPORTS_PCI
Paul Mundtf3d22292007-05-14 17:29:12 +0900352
353config SH_EDOSK7705
354 bool "EDOSK7705"
355 depends on CPU_SUBTYPE_SH7705
356
357config SH_SH4202_MICRODEV
358 bool "SH4-202 MicroDev"
359 depends on CPU_SUBTYPE_SH4_202
360 help
361 Select SH4-202 MicroDev if configuring for a SuperH MicroDev board
362 with an SH4-202 CPU.
363
364config SH_LANDISK
365 bool "LANDISK"
366 depends on CPU_SUBTYPE_SH7751R
Paul Mundt357d5942007-06-11 15:32:07 +0900367 select SYS_SUPPORTS_PCI
Paul Mundtf3d22292007-05-14 17:29:12 +0900368 help
369 I-O DATA DEVICE, INC. "LANDISK Series" support.
370
371config SH_TITAN
372 bool "TITAN"
373 depends on CPU_SUBTYPE_SH7751R
Magnus Damm56386f62007-07-20 18:44:49 +0900374 select CPU_HAS_IPR_IRQ
Paul Mundt357d5942007-06-11 15:32:07 +0900375 select SYS_SUPPORTS_PCI
Paul Mundtf3d22292007-05-14 17:29:12 +0900376 help
377 Select Titan if you are configuring for a Nimble Microsystems
378 NetEngine NP51R.
379
380config SH_SHMIN
381 bool "SHMIN"
382 depends on CPU_SUBTYPE_SH7706
Magnus Damm56386f62007-07-20 18:44:49 +0900383 select CPU_HAS_IPR_IRQ
Paul Mundtf3d22292007-05-14 17:29:12 +0900384 help
385 Select SHMIN if configuring for the SHMIN board.
386
387config SH_LBOX_RE2
388 bool "L-BOX RE2"
389 depends on CPU_SUBTYPE_SH7751R
Paul Mundt357d5942007-06-11 15:32:07 +0900390 select SYS_SUPPORTS_PCI
Paul Mundtf3d22292007-05-14 17:29:12 +0900391 help
392 Select L-BOX RE2 if configuring for the NTT COMWARE L-BOX RE2.
393
Paul Mundt94807a32007-08-08 15:22:04 +0900394config SH_X3PROTO
395 bool "SH-X3 Prototype board"
396 depends on CPU_SUBTYPE_SHX3
397
Markus Brunnerded54312007-09-12 11:54:58 +0900398config SH_MAGIC_PANEL_R2
399 bool "Magic Panel R2"
400 depends on CPU_SUBTYPE_SH7720
401 help
402 Select Magic Panel R2 if configuring for Magic Panel R2.
403
Paul Mundtf3d22292007-05-14 17:29:12 +0900404endmenu
405
406source "arch/sh/boards/renesas/hs7751rvoip/Kconfig"
407source "arch/sh/boards/renesas/rts7751r2d/Kconfig"
408source "arch/sh/boards/renesas/r7780rp/Kconfig"
Markus Brunnerded54312007-09-12 11:54:58 +0900409source "arch/sh/boards/magicpanelr2/Kconfig"
Paul Mundtf3d22292007-05-14 17:29:12 +0900410
Paul Mundt32351a22007-03-12 14:38:59 +0900411menu "Timer and clock configuration"
412
Paul Mundtcad82442006-01-16 22:14:19 -0800413config SH_TMU
414 bool "TMU timer support"
Yoshinori Sato9d4436a2006-11-05 15:40:13 +0900415 depends on CPU_SH3 || CPU_SH4
Paul Mundt57be2b42007-05-09 17:33:24 +0900416 select GENERIC_TIME
417 select GENERIC_CLOCKEVENTS
Paul Mundtcad82442006-01-16 22:14:19 -0800418 default y
419 help
420 This enables the use of the TMU as the system timer.
421
Yoshinori Sato9d4436a2006-11-05 15:40:13 +0900422config SH_CMT
423 bool "CMT timer support"
424 depends on CPU_SH2
425 default y
426 help
427 This enables the use of the CMT as the system timer.
428
429config SH_MTU2
430 bool "MTU2 timer support"
431 depends on CPU_SH2A
432 default n
433 help
434 This enables the use of the MTU2 as the system timer.
435
Paul Mundt417528a2006-11-20 11:18:30 +0900436config SH_TIMER_IRQ
437 int
Paul Mundt32351a22007-03-12 14:38:59 +0900438 default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
Paul Mundt417528a2006-11-20 11:18:30 +0900439 default "86" if CPU_SUBTYPE_SH7619
440 default "140" if CPU_SUBTYPE_SH7206
441 default "16"
442
Paul Mundtcad82442006-01-16 22:14:19 -0800443config SH_PCLK_FREQ
444 int "Peripheral clock frequency (in Hz)"
Magnus Damm870e8a22007-07-25 10:49:21 +0900445 default "27000000" if CPU_SUBTYPE_SH7343
Yoshinori Sato9d4436a2006-11-05 15:40:13 +0900446 default "31250000" if CPU_SUBTYPE_SH7619
Paul Mundt05627482007-05-15 16:25:47 +0900447 default "32000000" if CPU_SUBTYPE_SH7722
Magnus Dammd89ddd12007-07-25 11:42:56 +0900448 default "33333333" if CPU_SUBTYPE_SH7770 || \
Yoshinori Sato9d4436a2006-11-05 15:40:13 +0900449 CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
450 CPU_SUBTYPE_SH7206
Paul Mundt05627482007-05-15 16:25:47 +0900451 default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
Paul Mundtcad82442006-01-16 22:14:19 -0800452 default "66000000" if CPU_SUBTYPE_SH4_202
Paul Mundt05627482007-05-15 16:25:47 +0900453 default "50000000"
Paul Mundtcad82442006-01-16 22:14:19 -0800454 help
455 This option is used to specify the peripheral clock frequency.
456 This is necessary for determining the reference clock value on
457 platforms lacking an RTC.
458
Yoshinori Sato9d4436a2006-11-05 15:40:13 +0900459config SH_CLK_MD
460 int "CPU Mode Pin Setting"
461 depends on CPU_SUBTYPE_SH7619 || CPU_SUBTYPE_SH7206
Paul Mundt357d5942007-06-11 15:32:07 +0900462 default 6 if CPU_SUBTYPE_SH7206
463 default 5 if CPU_SUBTYPE_SH7619
464 default 0
Yoshinori Sato9d4436a2006-11-05 15:40:13 +0900465 help
Yoshinori Sato11cbb702006-12-07 18:07:27 +0900466 MD2 - MD0 pin setting.
Yoshinori Sato9d4436a2006-11-05 15:40:13 +0900467
Paul Mundt57be2b42007-05-09 17:33:24 +0900468source "kernel/time/Kconfig"
469
Paul Mundt32351a22007-03-12 14:38:59 +0900470endmenu
471
Paul Mundtcad82442006-01-16 22:14:19 -0800472menu "CPU Frequency scaling"
473
474source "drivers/cpufreq/Kconfig"
475
476config SH_CPU_FREQ
477 tristate "SuperH CPU Frequency driver"
Paul Mundtcb5ec752007-07-20 13:38:19 +0900478 depends on CPU_FREQ
Paul Mundtcad82442006-01-16 22:14:19 -0800479 select CPU_FREQ_TABLE
480 help
481 This adds the cpufreq driver for SuperH. At present, only
482 the SH-4 is supported.
483
484 For details, take a look at <file:Documentation/cpu-freq>.
485
486 If unsure, say N.
487
488endmenu
489
Paul Mundt9f5e8ee2006-11-24 11:22:57 +0900490source "arch/sh/drivers/Kconfig"
491
Paul Mundtcad82442006-01-16 22:14:19 -0800492endmenu
493
494config ISA_DMA_API
495 bool
Adrian Bunk05efc672006-02-17 13:52:42 -0800496 depends on SH_MPC1211
Paul Mundtcad82442006-01-16 22:14:19 -0800497 default y
498
499menu "Kernel features"
500
Paul Mundt91b91d02006-09-27 18:08:33 +0900501source kernel/Kconfig.hz
502
Paul Mundtcad82442006-01-16 22:14:19 -0800503config KEXEC
504 bool "kexec system call (EXPERIMENTAL)"
505 depends on EXPERIMENTAL
506 help
507 kexec is a system call that implements the ability to shutdown your
508 current kernel, and to start another kernel. It is like a reboot
Matt LaPlante1f1332f2006-06-29 01:32:47 -0400509 but it is independent of the system firmware. And like a reboot
Paul Mundtcad82442006-01-16 22:14:19 -0800510 you can start any kernel with it, not just Linux.
511
Matt LaPlante1f1332f2006-06-29 01:32:47 -0400512 The name comes from the similarity to the exec system call.
Paul Mundtcad82442006-01-16 22:14:19 -0800513
514 It is an ongoing process to be certain the hardware in a machine
515 is properly shutdown, so do not be surprised if this code does not
516 initially work for you. It may help to enable device hotplugging
517 support. As of this writing the exact hardware interface is
518 strongly in flux, so no good recommendation can be made.
519
Paul Mundt4d5ade52007-04-27 11:25:57 +0900520config CRASH_DUMP
521 bool "kernel crash dumps (EXPERIMENTAL)"
522 depends on EXPERIMENTAL
523 help
524 Generate crash dump after being started by kexec.
525 This should be normally only set in special crash dump kernels
526 which are loaded in the main kernel with kexec-tools into
527 a specially reserved region and then later executed after
528 a crash by kdump/kexec. The crash dump kernel must be compiled
529 to a memory address not used by the main kernel using
530 MEMORY_START.
531
532 For more details see Documentation/kdump/kdump.txt
533
Linus Torvalds1da177e2005-04-16 15:20:36 -0700534config SMP
535 bool "Symmetric multi-processing support"
Paul Mundt357d5942007-06-11 15:32:07 +0900536 depends on SYS_SUPPORTS_SMP
Linus Torvalds1da177e2005-04-16 15:20:36 -0700537 ---help---
538 This enables support for systems with more than one CPU. If you have
539 a system with only one CPU, like most personal computers, say N. If
540 you have a system with more than one CPU, say Y.
541
542 If you say N here, the kernel will run on single and multiprocessor
543 machines, but will use only one CPU of a multiprocessor machine. If
544 you say Y here, the kernel will run on many, but not all,
545 singleprocessor machines. On a singleprocessor machine, the kernel
546 will run faster if you say N here.
547
548 People using multiprocessor machines who say Y here should also say
549 Y to "Enhanced Real Time Clock Support", below.
550
551 See also the <file:Documentation/smp.txt>,
552 <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available
553 at <http://www.tldp.org/docs.html#howto>.
554
555 If you don't know what to do here, say N.
556
557config NR_CPUS
558 int "Maximum number of CPUs (2-32)"
559 range 2 32
560 depends on SMP
Paul Mundt2b1bd1a2007-06-20 18:27:10 +0900561 default "4" if CPU_SHX3
Linus Torvalds1da177e2005-04-16 15:20:36 -0700562 default "2"
563 help
564 This allows you to specify the maximum number of CPUs which this
565 kernel will support. The maximum supported value is 32 and the
566 minimum value which makes sense is 2.
567
568 This is purely to save memory - each supported CPU adds
569 approximately eight kilobytes to the kernel image.
570
Paul Mundt91b91d02006-09-27 18:08:33 +0900571source "kernel/Kconfig.preempt"
572
Paul Mundt83662462007-09-28 16:04:49 +0900573config GUSA
574 def_bool y
575 depends on !SMP
576 help
577 This enables support for gUSA (general UserSpace Atomicity).
578 This is the default implementation for both UP and non-ll/sc
579 CPUs, and is used by the libc, amongst others.
580
581 For additional information, design information can be found
582 in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
583
584 This should only be disabled for special cases where alternate
585 atomicity implementations exist.
586
Paul Mundtcad82442006-01-16 22:14:19 -0800587endmenu
588
589menu "Boot options"
590
591config ZERO_PAGE_OFFSET
592 hex "Zero page offset"
593 default "0x00004000" if SH_MPC1211 || SH_SH03
Paul Mundt7a847f82006-12-26 15:29:19 +0900594 default "0x00010000" if PAGE_SIZE_64KB
595 default "0x00002000" if PAGE_SIZE_8KB
Paul Mundtcad82442006-01-16 22:14:19 -0800596 default "0x00001000"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700597 help
Paul Mundtcad82442006-01-16 22:14:19 -0800598 This sets the default offset of zero page.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700599
Paul Mundtcad82442006-01-16 22:14:19 -0800600config BOOT_LINK_OFFSET
601 hex "Link address offset for booting"
602 default "0x00800000"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700603 help
Paul Mundtcad82442006-01-16 22:14:19 -0800604 This option allows you to set the link address offset of the zImage.
605 This can be useful if you are on a board which has a small amount of
606 memory.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700607
Paul Mundtcad82442006-01-16 22:14:19 -0800608config UBC_WAKEUP
609 bool "Wakeup UBC on startup"
Paul Mundt357d5942007-06-11 15:32:07 +0900610 depends on CPU_SH4
Paul Mundtcad82442006-01-16 22:14:19 -0800611 help
612 Selecting this option will wakeup the User Break Controller (UBC) on
613 startup. Although the UBC is left in an awake state when the processor
614 comes up, some boot loaders misbehave by putting the UBC to sleep in a
615 power saving state, which causes issues with things like ptrace().
Linus Torvalds1da177e2005-04-16 15:20:36 -0700616
617 If unsure, say N.
618
Paul Mundtcad82442006-01-16 22:14:19 -0800619config CMDLINE_BOOL
620 bool "Default bootloader kernel arguments"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700621
Paul Mundtcad82442006-01-16 22:14:19 -0800622config CMDLINE
623 string "Initial kernel command string"
624 depends on CMDLINE_BOOL
625 default "console=ttySC1,115200"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700626
627endmenu
628
Paul Mundtcad82442006-01-16 22:14:19 -0800629menu "Bus options"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700630
631# Even on SuperH devices which don't have an ISA bus,
632# this variable helps the PCMCIA modules handle
633# IRQ requesting properly -- Greg Banks.
634#
635# Though we're generally not interested in it when
636# we're not using PCMCIA, so we make it dependent on
637# PCMCIA outright. -- PFM.
638config ISA
Paul Mundt357d5942007-06-11 15:32:07 +0900639 def_bool y
640 depends on PCMCIA && HD6446X_SERIES
Linus Torvalds1da177e2005-04-16 15:20:36 -0700641 help
642 Find out whether you have ISA slots on your motherboard. ISA is the
643 name of a bus system, i.e. the way the CPU talks to the other stuff
644 inside your box. Other bus systems are PCI, EISA, MicroChannel
645 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
646 newer boards don't support it. If you have ISA, say Y, otherwise N.
647
648config EISA
649 bool
650 ---help---
651 The Extended Industry Standard Architecture (EISA) bus was
652 developed as an open alternative to the IBM MicroChannel bus.
653
654 The EISA bus provided some of the features of the IBM MicroChannel
655 bus while maintaining backward compatibility with cards made for
656 the older ISA bus. The EISA bus saw limited use between 1988 and
657 1995 when it was made obsolete by the PCI bus.
658
659 Say Y here if you are building a kernel for an EISA-based machine.
660
661 Otherwise, say N.
662
663config MCA
664 bool
665 help
666 MicroChannel Architecture is found in some IBM PS/2 machines and
667 laptops. It is a bus system similar to PCI or ISA. See
668 <file:Documentation/mca.txt> (and especially the web page given
669 there) before attempting to build an MCA bus kernel.
670
671config SBUS
672 bool
673
Paul Mundtcad82442006-01-16 22:14:19 -0800674config SUPERHYWAY
675 tristate "SuperHyway Bus support"
676 depends on CPU_SUBTYPE_SH4_202
Linus Torvalds1da177e2005-04-16 15:20:36 -0700677
Adrian McMenamin17be2d22007-09-21 15:55:55 +0900678config MAPLE
679 bool "Maple Bus support"
680 depends on SH_DREAMCAST
681 help
682 The Maple Bus is SEGA's serial communication bus for peripherals
683 on the Dreamcast. Without this bus support you won't be able to
684 get your Dreamcast keyboard etc to work, so most users
685 probably want to say 'Y' here, unless you are only using the
686 Dreamcast with a serial line terminal or a remote network
687 connection.
688
Paul Mundt824e55f2007-06-20 18:01:52 +0900689config CF_ENABLER
690 bool "Compact Flash Enabler support"
691 depends on SOLUTION_ENGINE || SH_SH03
692 ---help---
693 Compact Flash is a small, removable mass storage device introduced
694 in 1994 originally as a PCMCIA device. If you say `Y' here, you
695 compile in support for Compact Flash devices directly connected to
696 a SuperH processor. A Compact Flash FAQ is available at
697 <http://www.compactflash.org/faqs/faq.htm>.
698
699 If your board has "Directly Connected" CompactFlash at area 5 or 6,
700 you may want to enable this option. Then, you can use CF as
701 primary IDE drive (only tested for SanDisk).
702
703 If in doubt, select 'N'.
704
705choice
706 prompt "Compact Flash Connection Area"
707 depends on CF_ENABLER
708 default CF_AREA6
709
710config CF_AREA5
711 bool "Area5"
712 help
713 If your board has "Directly Connected" CompactFlash, You should
714 select the area where your CF is connected to.
715
716 - "Area5" if CompactFlash is connected to Area 5 (0x14000000)
717 - "Area6" if it is connected to Area 6 (0x18000000)
718
719 "Area6" will work for most boards.
720
721config CF_AREA6
722 bool "Area6"
723
724endchoice
725
726config CF_BASE_ADDR
727 hex
728 depends on CF_ENABLER
729 default "0xb8000000" if CF_AREA6
730 default "0xb4000000" if CF_AREA5
731
Linus Torvalds1da177e2005-04-16 15:20:36 -0700732source "arch/sh/drivers/pci/Kconfig"
733
734source "drivers/pci/Kconfig"
735
736source "drivers/pcmcia/Kconfig"
737
738source "drivers/pci/hotplug/Kconfig"
739
740endmenu
741
742menu "Executable file formats"
743
744source "fs/Kconfig.binfmt"
745
746endmenu
747
Andriy Skulysh3aa770e2006-09-27 16:20:22 +0900748menu "Power management options (EXPERIMENTAL)"
Paul Mundt357d5942007-06-11 15:32:07 +0900749depends on EXPERIMENTAL && SYS_SUPPORTS_PM
Andriy Skulysh3aa770e2006-09-27 16:20:22 +0900750
751source kernel/power/Kconfig
752
Andriy Skulysh3aa770e2006-09-27 16:20:22 +0900753endmenu
754
Sam Ravnborgd5950b42005-07-11 21:03:49 -0700755source "net/Kconfig"
756
Linus Torvalds1da177e2005-04-16 15:20:36 -0700757source "drivers/Kconfig"
758
759source "fs/Kconfig"
760
Mathieu Desnoyers09caded2007-10-18 23:41:05 -0700761source "kernel/Kconfig.instrumentation"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700762
763source "arch/sh/Kconfig.debug"
764
765source "security/Kconfig"
766
767source "crypto/Kconfig"
768
769source "lib/Kconfig"