Merge branches 'pxa-ian' and 'pxa-xm270' into pxa
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / sh / Kconfig
CommitLineData
1da177e4
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1#
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
ea0e1a9a 9 def_bool y
7a440c95 10 select EMBEDDED
ec7748b5 11 select HAVE_IDE
42d4b839 12 select HAVE_OPROFILE
1da177e4
LT
13 help
14 The SuperH is a RISC processor targeted for use in embedded systems
15 and consumer electronics; it was also used in the Sega Dreamcast
16 gaming console. The SuperH port has a home page at
17 <http://www.linux-sh.org/>.
18
39d28a2d 19config SUPERH32
ea0e1a9a
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20 def_bool !SUPERH64
21
22config SUPERH64
23 def_bool y if CPU_SH5
39d28a2d 24
1da177e4 25config RWSEM_GENERIC_SPINLOCK
d7ef4fb3 26 def_bool y
1da177e4
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27
28config RWSEM_XCHGADD_ALGORITHM
29 bool
30
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31config GENERIC_BUG
32 def_bool y
a82d53ec 33 depends on BUG && SUPERH32
fa691511 34
e2268c71 35config GENERIC_FIND_NEXT_BIT
d7ef4fb3 36 def_bool y
e2268c71
AM
37
38config GENERIC_HWEIGHT
d7ef4fb3 39 def_bool y
e2268c71 40
1da177e4 41config GENERIC_HARDIRQS
d7ef4fb3 42 def_bool y
1da177e4
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43
44config GENERIC_IRQ_PROBE
d7ef4fb3 45 def_bool y
1da177e4
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46
47config GENERIC_CALIBRATE_DELAY
d7ef4fb3 48 def_bool y
1da177e4 49
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50config GENERIC_IOMAP
51 bool
52
45882145
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53config GENERIC_TIME
54 def_bool n
55
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56config GENERIC_CLOCKEVENTS
57 def_bool n
58
357d5946
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59config SYS_SUPPORTS_PM
60 bool
61
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62config SYS_SUPPORTS_APM_EMULATION
63 bool
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64 select SYS_SUPPORTS_PM
65
66config SYS_SUPPORTS_SMP
67 bool
68
69config SYS_SUPPORTS_NUMA
70 bool
71
72config SYS_SUPPORTS_PCI
73 bool
0a9b0db1 74
afbfb52e 75config STACKTRACE_SUPPORT
d7ef4fb3 76 def_bool y
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77
78config LOCKDEP_SUPPORT
d7ef4fb3 79 def_bool y
afbfb52e 80
f0d1b0b3 81config ARCH_HAS_ILOG2_U32
d7ef4fb3 82 def_bool n
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83
84config ARCH_HAS_ILOG2_U64
d7ef4fb3 85 def_bool n
f0d1b0b3 86
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87config ARCH_NO_VIRT_TO_BUS
88 def_bool y
89
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90config ARCH_SUPPORTS_AOUT
91 def_bool y
92
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93config IO_TRAPPED
94 bool
95
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96source "init/Kconfig"
97
98menu "System type"
99
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100#
101# Processor families
102#
103config CPU_SH2
104 bool
105
106config CPU_SH2A
107 bool
108 select CPU_SH2
109
110config CPU_SH3
111 bool
112 select CPU_HAS_INTEVT
113 select CPU_HAS_SR_RB
114
115config CPU_SH4
116 bool
117 select CPU_HAS_INTEVT
118 select CPU_HAS_SR_RB
119 select CPU_HAS_PTEA if !CPU_SH4A || CPU_SHX2
120 select CPU_HAS_FPU if !CPU_SH4AL_DSP
121
122config CPU_SH4A
123 bool
124 select CPU_SH4
125
126config CPU_SH4AL_DSP
127 bool
128 select CPU_SH4A
129 select CPU_HAS_DSP
130
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131config CPU_SH5
132 bool
133 select CPU_HAS_FPU
134
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135config CPU_SHX2
136 bool
137
138config CPU_SHX3
139 bool
140
141choice
142 prompt "Processor sub-type selection"
143
144#
145# Processor subtypes
146#
147
148# SH-2 Processor Support
149
150config CPU_SUBTYPE_SH7619
151 bool "Support SH7619 processor"
152 select CPU_SH2
153
154# SH-2A Processor Support
155
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156config CPU_SUBTYPE_SH7203
157 bool "Support SH7203 processor"
158 select CPU_SH2A
74d99a5e 159 select CPU_HAS_FPU
6d01f510 160
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161config CPU_SUBTYPE_SH7206
162 bool "Support SH7206 processor"
163 select CPU_SH2A
164
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165config CPU_SUBTYPE_SH7263
166 bool "Support SH7263 processor"
167 select CPU_SH2A
74d99a5e 168 select CPU_HAS_FPU
a8f67f4b 169
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170config CPU_SUBTYPE_MXG
171 bool "Support MX-G processor"
172 select CPU_SH2A
173 help
174 Select MX-G if running on an R8A03022BG part.
175
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176# SH-3 Processor Support
177
178config CPU_SUBTYPE_SH7705
179 bool "Support SH7705 processor"
180 select CPU_SH3
181
182config CPU_SUBTYPE_SH7706
183 bool "Support SH7706 processor"
184 select CPU_SH3
185 help
186 Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
187
188config CPU_SUBTYPE_SH7707
189 bool "Support SH7707 processor"
190 select CPU_SH3
191 help
192 Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
193
194config CPU_SUBTYPE_SH7708
195 bool "Support SH7708 processor"
196 select CPU_SH3
197 help
198 Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
199 if you have a 100 Mhz SH-3 HD6417708R CPU.
200
201config CPU_SUBTYPE_SH7709
202 bool "Support SH7709 processor"
203 select CPU_SH3
204 help
205 Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
206
207config CPU_SUBTYPE_SH7710
208 bool "Support SH7710 processor"
209 select CPU_SH3
210 select CPU_HAS_DSP
211 help
212 Select SH7710 if you have a SH3-DSP SH7710 CPU.
213
214config CPU_SUBTYPE_SH7712
215 bool "Support SH7712 processor"
216 select CPU_SH3
217 select CPU_HAS_DSP
218 help
219 Select SH7712 if you have a SH3-DSP SH7712 CPU.
220
221config CPU_SUBTYPE_SH7720
222 bool "Support SH7720 processor"
223 select CPU_SH3
224 select CPU_HAS_DSP
225 help
226 Select SH7720 if you have a SH3-DSP SH7720 CPU.
227
31a49c4b
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228config CPU_SUBTYPE_SH7721
229 bool "Support SH7721 processor"
230 select CPU_SH3
231 select CPU_HAS_DSP
232 help
233 Select SH7721 if you have a SH3-DSP SH7721 CPU.
234
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235# SH-4 Processor Support
236
237config CPU_SUBTYPE_SH7750
238 bool "Support SH7750 processor"
239 select CPU_SH4
240 help
241 Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
242
243config CPU_SUBTYPE_SH7091
244 bool "Support SH7091 processor"
245 select CPU_SH4
246 help
247 Select SH7091 if you have an SH-4 based Sega device (such as
248 the Dreamcast, Naomi, and Naomi 2).
249
250config CPU_SUBTYPE_SH7750R
251 bool "Support SH7750R processor"
252 select CPU_SH4
253
254config CPU_SUBTYPE_SH7750S
255 bool "Support SH7750S processor"
256 select CPU_SH4
257
258config CPU_SUBTYPE_SH7751
259 bool "Support SH7751 processor"
260 select CPU_SH4
261 help
262 Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
263 or if you have a HD6417751R CPU.
264
265config CPU_SUBTYPE_SH7751R
266 bool "Support SH7751R processor"
267 select CPU_SH4
268
269config CPU_SUBTYPE_SH7760
270 bool "Support SH7760 processor"
271 select CPU_SH4
272
273config CPU_SUBTYPE_SH4_202
274 bool "Support SH4-202 processor"
275 select CPU_SH4
276
277# SH-4A Processor Support
278
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279config CPU_SUBTYPE_SH7723
280 bool "Support SH7723 processor"
281 select CPU_SH4A
282 select CPU_SHX2
283 select ARCH_SPARSEMEM_ENABLE
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284 help
285 Select SH7723 if you have an SH-MobileR2 CPU.
286
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YS
287config CPU_SUBTYPE_SH7763
288 bool "Support SH7763 processor"
289 select CPU_SH4A
290 help
291 Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
292
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293config CPU_SUBTYPE_SH7770
294 bool "Support SH7770 processor"
295 select CPU_SH4A
296
297config CPU_SUBTYPE_SH7780
298 bool "Support SH7780 processor"
299 select CPU_SH4A
300
301config CPU_SUBTYPE_SH7785
302 bool "Support SH7785 processor"
303 select CPU_SH4A
304 select CPU_SHX2
305 select ARCH_SPARSEMEM_ENABLE
306 select SYS_SUPPORTS_NUMA
307
308config CPU_SUBTYPE_SHX3
309 bool "Support SH-X3 processor"
310 select CPU_SH4A
311 select CPU_SHX3
312 select ARCH_SPARSEMEM_ENABLE
313 select SYS_SUPPORTS_NUMA
314 select SYS_SUPPORTS_SMP
315
316# SH4AL-DSP Processor Support
317
318config CPU_SUBTYPE_SH7343
319 bool "Support SH7343 processor"
320 select CPU_SH4AL_DSP
321
322config CPU_SUBTYPE_SH7722
323 bool "Support SH7722 processor"
324 select CPU_SH4AL_DSP
325 select CPU_SHX2
326 select ARCH_SPARSEMEM_ENABLE
327 select SYS_SUPPORTS_NUMA
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328
329config CPU_SUBTYPE_SH7366
330 bool "Support SH7366 processor"
331 select CPU_SH4AL_DSP
332 select CPU_SHX2
333 select ARCH_SPARSEMEM_ENABLE
334 select SYS_SUPPORTS_NUMA
b5f42db0 335
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336# SH-5 Processor Support
337
338config CPU_SUBTYPE_SH5_101
339 bool "Support SH5-101 processor"
340 select CPU_SH5
341
342config CPU_SUBTYPE_SH5_103
343 bool "Support SH5-103 processor"
8ef97dd7 344 select CPU_SH5
ea0e1a9a 345
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346endchoice
347
f3d22298 348source "arch/sh/mm/Kconfig"
4690bdc7 349source "arch/sh/Kconfig.cpu"
f3d22298
PM
350
351menu "Board support"
352
353config SOLUTION_ENGINE
354 bool
1da177e4
LT
355
356config SH_SOLUTION_ENGINE
357 bool "SolutionEngine"
bc8fb5d0 358 select SOLUTION_ENGINE
56386f64 359 select CPU_HAS_IPR_IRQ
a8199071
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360 depends on CPU_SUBTYPE_SH7705 || CPU_SUBTYPE_SH7709 || CPU_SUBTYPE_SH7710 || \
361 CPU_SUBTYPE_SH7712 || CPU_SUBTYPE_SH7750 || CPU_SUBTYPE_SH7750S || \
362 CPU_SUBTYPE_SH7750R
1da177e4 363 help
a8199071
NI
364 Select SolutionEngine if configuring for a Hitachi SH7705, SH7709,
365 SH7710, SH7712, SH7750, SH7750S or SH7750R evaluation board.
1da177e4 366
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367config SH_7206_SOLUTION_ENGINE
368 bool "SolutionEngine7206"
369 select SOLUTION_ENGINE
370 depends on CPU_SUBTYPE_SH7206
371 help
372 Select 7206 SolutionEngine if configuring for a Hitachi SH7206
373 evaluation board.
374
375config SH_7619_SOLUTION_ENGINE
376 bool "SolutionEngine7619"
377 select SOLUTION_ENGINE
378 depends on CPU_SUBTYPE_SH7619
379 help
380 Select 7619 SolutionEngine if configuring for a Hitachi SH7619
381 evaluation board.
382
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YS
383config SH_7721_SOLUTION_ENGINE
384 bool "SolutionEngine7721"
385 select SOLUTION_ENGINE
386 depends on CPU_SUBTYPE_SH7721
387 help
388 Select 7721 SolutionEngine if configuring for a Hitachi SH7721
389 evaluation board.
390
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391config SH_7722_SOLUTION_ENGINE
392 bool "SolutionEngine7722"
393 select SOLUTION_ENGINE
f3d22298 394 depends on CPU_SUBTYPE_SH7722
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RS
395 help
396 Select 7722 SolutionEngine if configuring for a Hitachi SH772
397 evaluation board.
398
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399config SH_7751_SOLUTION_ENGINE
400 bool "SolutionEngine7751"
bc8fb5d0 401 select SOLUTION_ENGINE
56386f64 402 select CPU_HAS_IPR_IRQ
f3d22298 403 depends on CPU_SUBTYPE_SH7751
1da177e4
LT
404 help
405 Select 7751 SolutionEngine if configuring for a Hitachi SH7751
406 evaluation board.
b7576230
NI
407
408config SH_7780_SOLUTION_ENGINE
409 bool "SolutionEngine7780"
410 select SOLUTION_ENGINE
357d5946 411 select SYS_SUPPORTS_PCI
f3d22298 412 depends on CPU_SUBTYPE_SH7780
b7576230
NI
413 help
414 Select 7780 SolutionEngine if configuring for a Renesas SH7780
415 evaluation board.
1da177e4 416
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417config SH_7343_SOLUTION_ENGINE
418 bool "SolutionEngine7343"
419 select SOLUTION_ENGINE
f3d22298 420 depends on CPU_SUBTYPE_SH7343
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421 help
422 Select 7343 SolutionEngine if configuring for a Hitachi
423 SH7343 (SH-Mobile 3AS) evaluation board.
1da177e4 424
1da177e4
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425config SH_7751_SYSTEMH
426 bool "SystemH7751R"
f3d22298 427 depends on CPU_SUBTYPE_SH7751R
1da177e4
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428 help
429 Select SystemH if you are configuring for a Renesas SystemH
430 7751R evaluation board.
431
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432config SH_HP6XX
433 bool "HP6XX"
0a9b0db1 434 select SYS_SUPPORTS_APM_EMULATION
357d5946 435 select HD6446X_SERIES
f3d22298 436 depends on CPU_SUBTYPE_SH7709
1da177e4 437 help
cad82448 438 Select HP6XX if configuring for a HP jornada HP6xx.
1da177e4
LT
439 More information (hardware only) at
440 <http://www.hp.com/jornada/>.
441
1da177e4
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442config SH_DREAMCAST
443 bool "Dreamcast"
357d5946 444 select SYS_SUPPORTS_PCI
f3d22298 445 depends on CPU_SUBTYPE_SH7091
1da177e4
LT
446 help
447 Select Dreamcast if configuring for a SEGA Dreamcast.
ad07b100 448 More information at <http://www.linux-sh.org>
1da177e4 449
1da177e4 450config SH_SH03
cad82448 451 bool "Interface CTP/PCI-SH03"
d59645d6 452 depends on CPU_SUBTYPE_SH7751
56386f64 453 select CPU_HAS_IPR_IRQ
357d5946 454 select SYS_SUPPORTS_PCI
1da177e4 455 help
cad82448 456 CTP/PCI-SH03 is a CPU module computer that is produced
1da177e4 457 by Interface Corporation.
1da177e4
LT
458 More information at <http://www.interface.co.jp>
459
460config SH_SECUREEDGE5410
461 bool "SecureEdge5410"
f3d22298 462 depends on CPU_SUBTYPE_SH7751R
56386f64 463 select CPU_HAS_IPR_IRQ
357d5946 464 select SYS_SUPPORTS_PCI
1da177e4
LT
465 help
466 Select SecureEdge5410 if configuring for a SnapGear SH board.
467 This includes both the OEM SecureEdge products as well as the
468 SME product line.
469
1da177e4
LT
470config SH_RTS7751R2D
471 bool "RTS7751R2D"
f3d22298 472 depends on CPU_SUBTYPE_SH7751R
357d5946 473 select SYS_SUPPORTS_PCI
2d952b4b 474 select IO_TRAPPED
1da177e4
LT
475 help
476 Select RTS7751R2D if configuring for a Renesas Technology
477 Sales SH-Graphics board.
478
4862ec07
NB
479config SH_SDK7780
480 bool "SDK7780R3"
481 depends on CPU_SUBTYPE_SH7780
482 select SYS_SUPPORTS_PCI
483 help
484 Select SDK7780 if configuring for a Renesas SH7780 SDK7780R3
485 evaluation board.
486
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487config SH_HIGHLANDER
488 bool "Highlander"
f3d22298 489 depends on CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
357d5946 490 select SYS_SUPPORTS_PCI
c1a34e4c 491 select IO_TRAPPED
cad82448 492
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MD
493config SH_MIGOR
494 bool "Migo-R"
495 depends on CPU_SUBTYPE_SH7722
496 help
497 Select Migo-R if configuring for the SH7722 Migo-R platform
498 by Renesas System Solutions Asia Pte. Ltd.
499
1da177e4
LT
500config SH_EDOSK7705
501 bool "EDOSK7705"
f3d22298 502 depends on CPU_SUBTYPE_SH7705
1da177e4
LT
503
504config SH_SH4202_MICRODEV
505 bool "SH4-202 MicroDev"
f3d22298 506 depends on CPU_SUBTYPE_SH4_202
1da177e4
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507 help
508 Select SH4-202 MicroDev if configuring for a SuperH MicroDev board
509 with an SH4-202 CPU.
510
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511config SH_LANDISK
512 bool "LANDISK"
f3d22298 513 depends on CPU_SUBTYPE_SH7751R
357d5946 514 select SYS_SUPPORTS_PCI
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515 help
516 I-O DATA DEVICE, INC. "LANDISK Series" support.
517
518config SH_TITAN
519 bool "TITAN"
f3d22298 520 depends on CPU_SUBTYPE_SH7751R
56386f64 521 select CPU_HAS_IPR_IRQ
357d5946 522 select SYS_SUPPORTS_PCI
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523 help
524 Select Titan if you are configuring for a Nimble Microsystems
525 NetEngine NP51R.
526
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527config SH_SHMIN
528 bool "SHMIN"
f3d22298 529 depends on CPU_SUBTYPE_SH7706
56386f64 530 select CPU_HAS_IPR_IRQ
51e22e7a 531 help
3cb2fccc 532 Select SHMIN if configuring for the SHMIN board.
51e22e7a 533
c86c5a91
NI
534config SH_LBOX_RE2
535 bool "L-BOX RE2"
f3d22298 536 depends on CPU_SUBTYPE_SH7751R
357d5946 537 select SYS_SUPPORTS_PCI
c86c5a91
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538 help
539 Select L-BOX RE2 if configuring for the NTT COMWARE L-BOX RE2.
9d4436a6 540
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541config SH_X3PROTO
542 bool "SH-X3 Prototype board"
543 depends on CPU_SUBTYPE_SHX3
544
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545config SH_MAGIC_PANEL_R2
546 bool "Magic Panel R2"
547 depends on CPU_SUBTYPE_SH7720
548 help
549 Select Magic Panel R2 if configuring for Magic Panel R2.
550
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551config SH_CAYMAN
552 bool "Hitachi Cayman"
553 depends on CPU_SUBTYPE_SH5_101 || CPU_SUBTYPE_SH5_103
b6d7b666 554 select SYS_SUPPORTS_PCI
ea0e1a9a 555
f3d22298 556endmenu
1da177e4 557
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558source "arch/sh/boards/renesas/rts7751r2d/Kconfig"
559source "arch/sh/boards/renesas/r7780rp/Kconfig"
4862ec07 560source "arch/sh/boards/renesas/sdk7780/Kconfig"
ded5431f 561source "arch/sh/boards/magicpanelr2/Kconfig"
32351a28 562
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563menu "Timer and clock configuration"
564
cad82448 565config SH_TMU
d7ef4fb3
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566 def_bool y
567 prompt "TMU timer support"
9d4436a6 568 depends on CPU_SH3 || CPU_SH4
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569 select GENERIC_TIME
570 select GENERIC_CLOCKEVENTS
1da177e4 571 help
cad82448 572 This enables the use of the TMU as the system timer.
1da177e4 573
9d4436a6 574config SH_CMT
d7ef4fb3
HH
575 def_bool y
576 prompt "CMT timer support"
2ad69908 577 depends on CPU_SH2 && !CPU_SUBTYPE_MXG
9d4436a6
YS
578 help
579 This enables the use of the CMT as the system timer.
580
581config SH_MTU2
d7ef4fb3
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582 def_bool n
583 prompt "MTU2 timer support"
9d4436a6 584 depends on CPU_SH2A
9d4436a6
YS
585 help
586 This enables the use of the MTU2 as the system timer.
587
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588config SH_TIMER_IRQ
589 int
7d740a06
YS
590 default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 || \
591 CPU_SUBTYPE_SH7763
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592 default "86" if CPU_SUBTYPE_SH7619
593 default "140" if CPU_SUBTYPE_SH7206
2b2d4e70 594 default "142" if CPU_SUBTYPE_SH7203
2ad69908 595 default "238" if CPU_SUBTYPE_MXG
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596 default "16"
597
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598config SH_PCLK_FREQ
599 int "Peripheral clock frequency (in Hz)"
870e8a24 600 default "27000000" if CPU_SUBTYPE_SH7343
9d4436a6 601 default "31250000" if CPU_SUBTYPE_SH7619
05627486 602 default "32000000" if CPU_SUBTYPE_SH7722
178dd0cd 603 default "33333333" if CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7723 || \
9d4436a6 604 CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
a8f67f4b 605 CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \
2ad69908 606 CPU_SUBTYPE_SH7263 || CPU_SUBTYPE_MXG
05627486 607 default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
cad82448 608 default "66000000" if CPU_SUBTYPE_SH4_202
05627486 609 default "50000000"
1da177e4 610 help
cad82448
PM
611 This option is used to specify the peripheral clock frequency.
612 This is necessary for determining the reference clock value on
613 platforms lacking an RTC.
1da177e4 614
9d4436a6
YS
615config SH_CLK_MD
616 int "CPU Mode Pin Setting"
6d01f510 617 depends on CPU_SH2
357d5946
PM
618 default 6 if CPU_SUBTYPE_SH7206
619 default 5 if CPU_SUBTYPE_SH7619
620 default 0
9d4436a6 621 help
11cbb70e 622 MD2 - MD0 pin setting.
9d4436a6 623
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PM
624source "kernel/time/Kconfig"
625
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626endmenu
627
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PM
628menu "CPU Frequency scaling"
629
630source "drivers/cpufreq/Kconfig"
1da177e4 631
cad82448
PM
632config SH_CPU_FREQ
633 tristate "SuperH CPU Frequency driver"
cb5ec75b 634 depends on CPU_FREQ
cad82448 635 select CPU_FREQ_TABLE
1da177e4 636 help
cad82448
PM
637 This adds the cpufreq driver for SuperH. At present, only
638 the SH-4 is supported.
1da177e4 639
cad82448 640 For details, take a look at <file:Documentation/cpu-freq>.
1da177e4
LT
641
642 If unsure, say N.
643
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644endmenu
645
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PM
646source "arch/sh/drivers/Kconfig"
647
cad82448 648endmenu
1da177e4 649
cad82448 650config ISA_DMA_API
f5f826c6 651 bool
1da177e4 652
cad82448
PM
653menu "Kernel features"
654
91b91d01
PM
655source kernel/Kconfig.hz
656
cad82448
PM
657config KEXEC
658 bool "kexec system call (EXPERIMENTAL)"
640f7487 659 depends on SUPERH32 && EXPERIMENTAL
1da177e4 660 help
cad82448
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661 kexec is a system call that implements the ability to shutdown your
662 current kernel, and to start another kernel. It is like a reboot
1f1332f7 663 but it is independent of the system firmware. And like a reboot
cad82448
PM
664 you can start any kernel with it, not just Linux.
665
1f1332f7 666 The name comes from the similarity to the exec system call.
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667
668 It is an ongoing process to be certain the hardware in a machine
669 is properly shutdown, so do not be surprised if this code does not
670 initially work for you. It may help to enable device hotplugging
671 support. As of this writing the exact hardware interface is
672 strongly in flux, so no good recommendation can be made.
673
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674config CRASH_DUMP
675 bool "kernel crash dumps (EXPERIMENTAL)"
640f7487 676 depends on SUPERH32 && EXPERIMENTAL
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677 help
678 Generate crash dump after being started by kexec.
679 This should be normally only set in special crash dump kernels
680 which are loaded in the main kernel with kexec-tools into
681 a specially reserved region and then later executed after
682 a crash by kdump/kexec. The crash dump kernel must be compiled
683 to a memory address not used by the main kernel using
684 MEMORY_START.
685
686 For more details see Documentation/kdump/kdump.txt
687
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688config SMP
689 bool "Symmetric multi-processing support"
357d5946 690 depends on SYS_SUPPORTS_SMP
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691 ---help---
692 This enables support for systems with more than one CPU. If you have
693 a system with only one CPU, like most personal computers, say N. If
694 you have a system with more than one CPU, say Y.
695
696 If you say N here, the kernel will run on single and multiprocessor
697 machines, but will use only one CPU of a multiprocessor machine. If
698 you say Y here, the kernel will run on many, but not all,
699 singleprocessor machines. On a singleprocessor machine, the kernel
700 will run faster if you say N here.
701
702 People using multiprocessor machines who say Y here should also say
703 Y to "Enhanced Real Time Clock Support", below.
704
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705 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
706 available at <http://www.tldp.org/docs.html#howto>.
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707
708 If you don't know what to do here, say N.
709
710config NR_CPUS
711 int "Maximum number of CPUs (2-32)"
712 range 2 32
713 depends on SMP
2b1bd1ac 714 default "4" if CPU_SHX3
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715 default "2"
716 help
717 This allows you to specify the maximum number of CPUs which this
718 kernel will support. The maximum supported value is 32 and the
719 minimum value which makes sense is 2.
720
721 This is purely to save memory - each supported CPU adds
722 approximately eight kilobytes to the kernel image.
723
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724source "kernel/Kconfig.preempt"
725
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726config GUSA
727 def_bool y
1efe4ce3 728 depends on !SMP && SUPERH32
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729 help
730 This enables support for gUSA (general UserSpace Atomicity).
731 This is the default implementation for both UP and non-ll/sc
732 CPUs, and is used by the libc, amongst others.
733
734 For additional information, design information can be found
735 in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
736
737 This should only be disabled for special cases where alternate
738 atomicity implementations exist.
739
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740config GUSA_RB
741 bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
742 depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
743 help
744 Enabling this option will allow the kernel to implement some
745 atomic operations using a software implemention of load-locked/
746 store-conditional (LLSC). On machines which do not have hardware
747 LLSC, this should be more efficient than the other alternative of
748 disabling insterrupts around the atomic sequence.
749
cad82448 750endmenu
1da177e4 751
cad82448 752menu "Boot options"
1da177e4 753
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754config ZERO_PAGE_OFFSET
755 hex "Zero page offset"
f5f826c6 756 default "0x00004000" if SH_SH03
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757 default "0x00010000" if PAGE_SIZE_64KB
758 default "0x00002000" if PAGE_SIZE_8KB
cad82448 759 default "0x00001000"
1da177e4 760 help
cad82448 761 This sets the default offset of zero page.
1da177e4 762
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763config BOOT_LINK_OFFSET
764 hex "Link address offset for booting"
765 default "0x00800000"
766 help
767 This option allows you to set the link address offset of the zImage.
768 This can be useful if you are on a board which has a small amount of
769 memory.
1da177e4 770
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771config UBC_WAKEUP
772 bool "Wakeup UBC on startup"
0e3a9aab 773 depends on CPU_SH4 && !CPU_SH4A
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774 help
775 Selecting this option will wakeup the User Break Controller (UBC) on
776 startup. Although the UBC is left in an awake state when the processor
777 comes up, some boot loaders misbehave by putting the UBC to sleep in a
778 power saving state, which causes issues with things like ptrace().
1da177e4 779
cad82448 780 If unsure, say N.
1da177e4 781
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782config CMDLINE_BOOL
783 bool "Default bootloader kernel arguments"
1da177e4 784
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785config CMDLINE
786 string "Initial kernel command string"
787 depends on CMDLINE_BOOL
788 default "console=ttySC1,115200"
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789
790endmenu
791
cad82448 792menu "Bus options"
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793
794# Even on SuperH devices which don't have an ISA bus,
795# this variable helps the PCMCIA modules handle
796# IRQ requesting properly -- Greg Banks.
797#
798# Though we're generally not interested in it when
799# we're not using PCMCIA, so we make it dependent on
800# PCMCIA outright. -- PFM.
801config ISA
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802 def_bool y
803 depends on PCMCIA && HD6446X_SERIES
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804 help
805 Find out whether you have ISA slots on your motherboard. ISA is the
806 name of a bus system, i.e. the way the CPU talks to the other stuff
807 inside your box. Other bus systems are PCI, EISA, MicroChannel
808 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
809 newer boards don't support it. If you have ISA, say Y, otherwise N.
810
811config EISA
812 bool
813 ---help---
814 The Extended Industry Standard Architecture (EISA) bus was
815 developed as an open alternative to the IBM MicroChannel bus.
816
817 The EISA bus provided some of the features of the IBM MicroChannel
818 bus while maintaining backward compatibility with cards made for
819 the older ISA bus. The EISA bus saw limited use between 1988 and
820 1995 when it was made obsolete by the PCI bus.
821
822 Say Y here if you are building a kernel for an EISA-based machine.
823
824 Otherwise, say N.
825
826config MCA
827 bool
828 help
829 MicroChannel Architecture is found in some IBM PS/2 machines and
830 laptops. It is a bus system similar to PCI or ISA. See
831 <file:Documentation/mca.txt> (and especially the web page given
832 there) before attempting to build an MCA bus kernel.
833
834config SBUS
835 bool
836
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837config SUPERHYWAY
838 tristate "SuperHyway Bus support"
839 depends on CPU_SUBTYPE_SH4_202
1da177e4 840
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841config MAPLE
842 bool "Maple Bus support"
843 depends on SH_DREAMCAST
844 help
845 The Maple Bus is SEGA's serial communication bus for peripherals
846 on the Dreamcast. Without this bus support you won't be able to
847 get your Dreamcast keyboard etc to work, so most users
848 probably want to say 'Y' here, unless you are only using the
849 Dreamcast with a serial line terminal or a remote network
850 connection.
851
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852config CF_ENABLER
853 bool "Compact Flash Enabler support"
854 depends on SOLUTION_ENGINE || SH_SH03
855 ---help---
856 Compact Flash is a small, removable mass storage device introduced
857 in 1994 originally as a PCMCIA device. If you say `Y' here, you
858 compile in support for Compact Flash devices directly connected to
859 a SuperH processor. A Compact Flash FAQ is available at
860 <http://www.compactflash.org/faqs/faq.htm>.
861
862 If your board has "Directly Connected" CompactFlash at area 5 or 6,
863 you may want to enable this option. Then, you can use CF as
864 primary IDE drive (only tested for SanDisk).
865
866 If in doubt, select 'N'.
867
868choice
869 prompt "Compact Flash Connection Area"
870 depends on CF_ENABLER
871 default CF_AREA6
872
873config CF_AREA5
874 bool "Area5"
875 help
876 If your board has "Directly Connected" CompactFlash, You should
877 select the area where your CF is connected to.
878
879 - "Area5" if CompactFlash is connected to Area 5 (0x14000000)
880 - "Area6" if it is connected to Area 6 (0x18000000)
881
882 "Area6" will work for most boards.
883
884config CF_AREA6
885 bool "Area6"
886
887endchoice
888
889config CF_BASE_ADDR
890 hex
891 depends on CF_ENABLER
892 default "0xb8000000" if CF_AREA6
893 default "0xb4000000" if CF_AREA5
894
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895source "arch/sh/drivers/pci/Kconfig"
896
897source "drivers/pci/Kconfig"
898
899source "drivers/pcmcia/Kconfig"
900
901source "drivers/pci/hotplug/Kconfig"
902
903endmenu
904
905menu "Executable file formats"
906
907source "fs/Kconfig.binfmt"
908
909endmenu
910
3aa770e7 911menu "Power management options (EXPERIMENTAL)"
357d5946 912depends on EXPERIMENTAL && SYS_SUPPORTS_PM
3aa770e7 913
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914config ARCH_SUSPEND_POSSIBLE
915 def_bool y
916 depends on !SMP
917
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918source kernel/power/Kconfig
919
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920endmenu
921
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922source "net/Kconfig"
923
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924source "drivers/Kconfig"
925
926source "fs/Kconfig"
927
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928source "arch/sh/Kconfig.debug"
929
930source "security/Kconfig"
931
932source "crypto/Kconfig"
933
934source "lib/Kconfig"