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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
1da177e4
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11 help
12 The SuperH is a RISC processor targeted for use in embedded systems
13 and consumer electronics; it was also used in the Sega Dreamcast
14 gaming console. The SuperH port has a home page at
15 <http://www.linux-sh.org/>.
16
39d28a2d 17config SUPERH32
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18 def_bool !SUPERH64
19
20config SUPERH64
21 def_bool y if CPU_SH5
39d28a2d 22
1da177e4 23config RWSEM_GENERIC_SPINLOCK
d7ef4fb3 24 def_bool y
1da177e4
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25
26config RWSEM_XCHGADD_ALGORITHM
27 bool
28
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29config GENERIC_BUG
30 def_bool y
a82d53ec 31 depends on BUG && SUPERH32
fa691511 32
e2268c71 33config GENERIC_FIND_NEXT_BIT
d7ef4fb3 34 def_bool y
e2268c71
AM
35
36config GENERIC_HWEIGHT
d7ef4fb3 37 def_bool y
e2268c71 38
1da177e4 39config GENERIC_HARDIRQS
d7ef4fb3 40 def_bool y
1da177e4
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41
42config GENERIC_IRQ_PROBE
d7ef4fb3 43 def_bool y
1da177e4
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44
45config GENERIC_CALIBRATE_DELAY
d7ef4fb3 46 def_bool y
1da177e4 47
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48config GENERIC_IOMAP
49 bool
50
45882145
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51config GENERIC_TIME
52 def_bool n
53
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54config GENERIC_CLOCKEVENTS
55 def_bool n
56
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57config SYS_SUPPORTS_PM
58 bool
59
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60config SYS_SUPPORTS_APM_EMULATION
61 bool
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62 select SYS_SUPPORTS_PM
63
64config SYS_SUPPORTS_SMP
65 bool
66
67config SYS_SUPPORTS_NUMA
68 bool
69
70config SYS_SUPPORTS_PCI
71 bool
0a9b0db1 72
a08b6b79
AV
73config ARCH_MAY_HAVE_PC_FDC
74 bool
a08b6b79 75
afbfb52e 76config STACKTRACE_SUPPORT
d7ef4fb3 77 def_bool y
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78
79config LOCKDEP_SUPPORT
d7ef4fb3 80 def_bool y
afbfb52e 81
f0d1b0b3 82config ARCH_HAS_ILOG2_U32
d7ef4fb3 83 def_bool n
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84
85config ARCH_HAS_ILOG2_U64
d7ef4fb3 86 def_bool n
f0d1b0b3 87
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88config ARCH_NO_VIRT_TO_BUS
89 def_bool y
90
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91source "init/Kconfig"
92
93menu "System type"
94
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95#
96# Processor families
97#
98config CPU_SH2
99 bool
100
101config CPU_SH2A
102 bool
103 select CPU_SH2
104
105config CPU_SH3
106 bool
107 select CPU_HAS_INTEVT
108 select CPU_HAS_SR_RB
109
110config CPU_SH4
111 bool
112 select CPU_HAS_INTEVT
113 select CPU_HAS_SR_RB
114 select CPU_HAS_PTEA if !CPU_SH4A || CPU_SHX2
115 select CPU_HAS_FPU if !CPU_SH4AL_DSP
116
117config CPU_SH4A
118 bool
119 select CPU_SH4
120
121config CPU_SH4AL_DSP
122 bool
123 select CPU_SH4A
124 select CPU_HAS_DSP
125
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126config CPU_SH5
127 bool
128 select CPU_HAS_FPU
129
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130config CPU_SHX2
131 bool
132
133config CPU_SHX3
134 bool
135
136choice
137 prompt "Processor sub-type selection"
138
139#
140# Processor subtypes
141#
142
143# SH-2 Processor Support
144
145config CPU_SUBTYPE_SH7619
146 bool "Support SH7619 processor"
147 select CPU_SH2
148
149# SH-2A Processor Support
150
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151config CPU_SUBTYPE_SH7203
152 bool "Support SH7203 processor"
153 select CPU_SH2A
74d99a5e 154 select CPU_HAS_FPU
6d01f510 155
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156config CPU_SUBTYPE_SH7206
157 bool "Support SH7206 processor"
158 select CPU_SH2A
159
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160config CPU_SUBTYPE_SH7263
161 bool "Support SH7263 processor"
162 select CPU_SH2A
74d99a5e 163 select CPU_HAS_FPU
a8f67f4b 164
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165# SH-3 Processor Support
166
167config CPU_SUBTYPE_SH7705
168 bool "Support SH7705 processor"
169 select CPU_SH3
170
171config CPU_SUBTYPE_SH7706
172 bool "Support SH7706 processor"
173 select CPU_SH3
174 help
175 Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
176
177config CPU_SUBTYPE_SH7707
178 bool "Support SH7707 processor"
179 select CPU_SH3
180 help
181 Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
182
183config CPU_SUBTYPE_SH7708
184 bool "Support SH7708 processor"
185 select CPU_SH3
186 help
187 Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
188 if you have a 100 Mhz SH-3 HD6417708R CPU.
189
190config CPU_SUBTYPE_SH7709
191 bool "Support SH7709 processor"
192 select CPU_SH3
193 help
194 Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
195
196config CPU_SUBTYPE_SH7710
197 bool "Support SH7710 processor"
198 select CPU_SH3
199 select CPU_HAS_DSP
200 help
201 Select SH7710 if you have a SH3-DSP SH7710 CPU.
202
203config CPU_SUBTYPE_SH7712
204 bool "Support SH7712 processor"
205 select CPU_SH3
206 select CPU_HAS_DSP
207 help
208 Select SH7712 if you have a SH3-DSP SH7712 CPU.
209
210config CPU_SUBTYPE_SH7720
211 bool "Support SH7720 processor"
212 select CPU_SH3
213 select CPU_HAS_DSP
214 help
215 Select SH7720 if you have a SH3-DSP SH7720 CPU.
216
217# SH-4 Processor Support
218
219config CPU_SUBTYPE_SH7750
220 bool "Support SH7750 processor"
221 select CPU_SH4
222 help
223 Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
224
225config CPU_SUBTYPE_SH7091
226 bool "Support SH7091 processor"
227 select CPU_SH4
228 help
229 Select SH7091 if you have an SH-4 based Sega device (such as
230 the Dreamcast, Naomi, and Naomi 2).
231
232config CPU_SUBTYPE_SH7750R
233 bool "Support SH7750R processor"
234 select CPU_SH4
235
236config CPU_SUBTYPE_SH7750S
237 bool "Support SH7750S processor"
238 select CPU_SH4
239
240config CPU_SUBTYPE_SH7751
241 bool "Support SH7751 processor"
242 select CPU_SH4
243 help
244 Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
245 or if you have a HD6417751R CPU.
246
247config CPU_SUBTYPE_SH7751R
248 bool "Support SH7751R processor"
249 select CPU_SH4
250
251config CPU_SUBTYPE_SH7760
252 bool "Support SH7760 processor"
253 select CPU_SH4
254
255config CPU_SUBTYPE_SH4_202
256 bool "Support SH4-202 processor"
257 select CPU_SH4
258
259# SH-4A Processor Support
260
261config CPU_SUBTYPE_SH7770
262 bool "Support SH7770 processor"
263 select CPU_SH4A
264
265config CPU_SUBTYPE_SH7780
266 bool "Support SH7780 processor"
267 select CPU_SH4A
268
269config CPU_SUBTYPE_SH7785
270 bool "Support SH7785 processor"
271 select CPU_SH4A
272 select CPU_SHX2
273 select ARCH_SPARSEMEM_ENABLE
274 select SYS_SUPPORTS_NUMA
275
276config CPU_SUBTYPE_SHX3
277 bool "Support SH-X3 processor"
278 select CPU_SH4A
279 select CPU_SHX3
280 select ARCH_SPARSEMEM_ENABLE
281 select SYS_SUPPORTS_NUMA
282 select SYS_SUPPORTS_SMP
283
284# SH4AL-DSP Processor Support
285
286config CPU_SUBTYPE_SH7343
287 bool "Support SH7343 processor"
288 select CPU_SH4AL_DSP
289
290config CPU_SUBTYPE_SH7722
291 bool "Support SH7722 processor"
292 select CPU_SH4AL_DSP
293 select CPU_SHX2
294 select ARCH_SPARSEMEM_ENABLE
295 select SYS_SUPPORTS_NUMA
296
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297# SH-5 Processor Support
298
299config CPU_SUBTYPE_SH5_101
300 bool "Support SH5-101 processor"
301 select CPU_SH5
302
303config CPU_SUBTYPE_SH5_103
304 bool "Support SH5-103 processor"
305
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306endchoice
307
f3d22298 308source "arch/sh/mm/Kconfig"
4690bdc7 309source "arch/sh/Kconfig.cpu"
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310
311menu "Board support"
312
313config SOLUTION_ENGINE
314 bool
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315
316config SH_SOLUTION_ENGINE
317 bool "SolutionEngine"
bc8fb5d0 318 select SOLUTION_ENGINE
56386f64 319 select CPU_HAS_IPR_IRQ
a8199071
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320 depends on CPU_SUBTYPE_SH7705 || CPU_SUBTYPE_SH7709 || CPU_SUBTYPE_SH7710 || \
321 CPU_SUBTYPE_SH7712 || CPU_SUBTYPE_SH7750 || CPU_SUBTYPE_SH7750S || \
322 CPU_SUBTYPE_SH7750R
1da177e4 323 help
a8199071
NI
324 Select SolutionEngine if configuring for a Hitachi SH7705, SH7709,
325 SH7710, SH7712, SH7750, SH7750S or SH7750R evaluation board.
1da177e4 326
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327config SH_7206_SOLUTION_ENGINE
328 bool "SolutionEngine7206"
329 select SOLUTION_ENGINE
330 depends on CPU_SUBTYPE_SH7206
331 help
332 Select 7206 SolutionEngine if configuring for a Hitachi SH7206
333 evaluation board.
334
335config SH_7619_SOLUTION_ENGINE
336 bool "SolutionEngine7619"
337 select SOLUTION_ENGINE
338 depends on CPU_SUBTYPE_SH7619
339 help
340 Select 7619 SolutionEngine if configuring for a Hitachi SH7619
341 evaluation board.
342
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343config SH_7722_SOLUTION_ENGINE
344 bool "SolutionEngine7722"
345 select SOLUTION_ENGINE
f3d22298 346 depends on CPU_SUBTYPE_SH7722
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347 help
348 Select 7722 SolutionEngine if configuring for a Hitachi SH772
349 evaluation board.
350
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351config SH_7751_SOLUTION_ENGINE
352 bool "SolutionEngine7751"
bc8fb5d0 353 select SOLUTION_ENGINE
56386f64 354 select CPU_HAS_IPR_IRQ
f3d22298 355 depends on CPU_SUBTYPE_SH7751
1da177e4
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356 help
357 Select 7751 SolutionEngine if configuring for a Hitachi SH7751
358 evaluation board.
b7576230
NI
359
360config SH_7780_SOLUTION_ENGINE
361 bool "SolutionEngine7780"
362 select SOLUTION_ENGINE
357d5946 363 select SYS_SUPPORTS_PCI
f3d22298 364 depends on CPU_SUBTYPE_SH7780
b7576230
NI
365 help
366 Select 7780 SolutionEngine if configuring for a Renesas SH7780
367 evaluation board.
1da177e4 368
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369config SH_7343_SOLUTION_ENGINE
370 bool "SolutionEngine7343"
371 select SOLUTION_ENGINE
f3d22298 372 depends on CPU_SUBTYPE_SH7343
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373 help
374 Select 7343 SolutionEngine if configuring for a Hitachi
375 SH7343 (SH-Mobile 3AS) evaluation board.
1da177e4 376
1da177e4
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377config SH_7751_SYSTEMH
378 bool "SystemH7751R"
f3d22298 379 depends on CPU_SUBTYPE_SH7751R
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380 help
381 Select SystemH if you are configuring for a Renesas SystemH
382 7751R evaluation board.
383
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384config SH_HP6XX
385 bool "HP6XX"
0a9b0db1 386 select SYS_SUPPORTS_APM_EMULATION
357d5946 387 select HD6446X_SERIES
f3d22298 388 depends on CPU_SUBTYPE_SH7709
1da177e4 389 help
cad82448 390 Select HP6XX if configuring for a HP jornada HP6xx.
1da177e4
LT
391 More information (hardware only) at
392 <http://www.hp.com/jornada/>.
393
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394config SH_DREAMCAST
395 bool "Dreamcast"
357d5946 396 select SYS_SUPPORTS_PCI
f3d22298 397 depends on CPU_SUBTYPE_SH7091
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398 help
399 Select Dreamcast if configuring for a SEGA Dreamcast.
ad07b100 400 More information at <http://www.linux-sh.org>
1da177e4 401
1da177e4 402config SH_MPC1211
cad82448 403 bool "Interface MPC1211"
f3d22298 404 depends on CPU_SUBTYPE_SH7751 && BROKEN
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405 help
406 CTP/PCI-SH02 is a CPU module computer that is produced
407 by Interface Corporation.
408 More information at <http://www.interface.co.jp>
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409
410config SH_SH03
cad82448 411 bool "Interface CTP/PCI-SH03"
d59645d6 412 depends on CPU_SUBTYPE_SH7751
56386f64 413 select CPU_HAS_IPR_IRQ
357d5946 414 select SYS_SUPPORTS_PCI
1da177e4 415 help
cad82448 416 CTP/PCI-SH03 is a CPU module computer that is produced
1da177e4 417 by Interface Corporation.
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LT
418 More information at <http://www.interface.co.jp>
419
420config SH_SECUREEDGE5410
421 bool "SecureEdge5410"
f3d22298 422 depends on CPU_SUBTYPE_SH7751R
56386f64 423 select CPU_HAS_IPR_IRQ
357d5946 424 select SYS_SUPPORTS_PCI
1da177e4
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425 help
426 Select SecureEdge5410 if configuring for a SnapGear SH board.
427 This includes both the OEM SecureEdge products as well as the
428 SME product line.
429
430config SH_HS7751RVOIP
431 bool "HS7751RVOIP"
f3d22298 432 depends on CPU_SUBTYPE_SH7751R
1da177e4
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433 help
434 Select HS7751RVOIP if configuring for a Renesas Technology
435 Sales VoIP board.
436
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437config SH_7710VOIPGW
438 bool "SH7710-VOIP-GW"
f3d22298 439 depends on CPU_SUBTYPE_SH7710
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440 help
441 Select this option to build a kernel for the SH7710 based
442 VOIP GW.
443
1da177e4
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444config SH_RTS7751R2D
445 bool "RTS7751R2D"
f3d22298 446 depends on CPU_SUBTYPE_SH7751R
357d5946 447 select SYS_SUPPORTS_PCI
1da177e4
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448 help
449 Select RTS7751R2D if configuring for a Renesas Technology
450 Sales SH-Graphics board.
451
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452config SH_HIGHLANDER
453 bool "Highlander"
f3d22298 454 depends on CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
357d5946 455 select SYS_SUPPORTS_PCI
cad82448 456
1da177e4
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457config SH_EDOSK7705
458 bool "EDOSK7705"
f3d22298 459 depends on CPU_SUBTYPE_SH7705
1da177e4
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460
461config SH_SH4202_MICRODEV
462 bool "SH4-202 MicroDev"
f3d22298 463 depends on CPU_SUBTYPE_SH4_202
1da177e4
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464 help
465 Select SH4-202 MicroDev if configuring for a SuperH MicroDev board
466 with an SH4-202 CPU.
467
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468config SH_LANDISK
469 bool "LANDISK"
f3d22298 470 depends on CPU_SUBTYPE_SH7751R
357d5946 471 select SYS_SUPPORTS_PCI
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472 help
473 I-O DATA DEVICE, INC. "LANDISK Series" support.
474
475config SH_TITAN
476 bool "TITAN"
f3d22298 477 depends on CPU_SUBTYPE_SH7751R
56386f64 478 select CPU_HAS_IPR_IRQ
357d5946 479 select SYS_SUPPORTS_PCI
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480 help
481 Select Titan if you are configuring for a Nimble Microsystems
482 NetEngine NP51R.
483
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484config SH_SHMIN
485 bool "SHMIN"
f3d22298 486 depends on CPU_SUBTYPE_SH7706
56386f64 487 select CPU_HAS_IPR_IRQ
51e22e7a 488 help
3cb2fccc 489 Select SHMIN if configuring for the SHMIN board.
51e22e7a 490
c86c5a91
NI
491config SH_LBOX_RE2
492 bool "L-BOX RE2"
f3d22298 493 depends on CPU_SUBTYPE_SH7751R
357d5946 494 select SYS_SUPPORTS_PCI
c86c5a91
NI
495 help
496 Select L-BOX RE2 if configuring for the NTT COMWARE L-BOX RE2.
9d4436a6 497
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498config SH_X3PROTO
499 bool "SH-X3 Prototype board"
500 depends on CPU_SUBTYPE_SHX3
501
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502config SH_MAGIC_PANEL_R2
503 bool "Magic Panel R2"
504 depends on CPU_SUBTYPE_SH7720
505 help
506 Select Magic Panel R2 if configuring for Magic Panel R2.
507
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508config SH_CAYMAN
509 bool "Hitachi Cayman"
510 depends on CPU_SUBTYPE_SH5_101 || CPU_SUBTYPE_SH5_103
b6d7b666 511 select SYS_SUPPORTS_PCI
ea0e1a9a 512
f3d22298 513endmenu
1da177e4 514
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515source "arch/sh/boards/renesas/hs7751rvoip/Kconfig"
516source "arch/sh/boards/renesas/rts7751r2d/Kconfig"
517source "arch/sh/boards/renesas/r7780rp/Kconfig"
ded5431f 518source "arch/sh/boards/magicpanelr2/Kconfig"
32351a28 519
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520menu "Timer and clock configuration"
521
cad82448 522config SH_TMU
d7ef4fb3
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523 def_bool y
524 prompt "TMU timer support"
9d4436a6 525 depends on CPU_SH3 || CPU_SH4
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526 select GENERIC_TIME
527 select GENERIC_CLOCKEVENTS
1da177e4 528 help
cad82448 529 This enables the use of the TMU as the system timer.
1da177e4 530
9d4436a6 531config SH_CMT
d7ef4fb3
HH
532 def_bool y
533 prompt "CMT timer support"
9d4436a6 534 depends on CPU_SH2
9d4436a6
YS
535 help
536 This enables the use of the CMT as the system timer.
537
538config SH_MTU2
d7ef4fb3
HH
539 def_bool n
540 prompt "MTU2 timer support"
9d4436a6 541 depends on CPU_SH2A
9d4436a6
YS
542 help
543 This enables the use of the MTU2 as the system timer.
544
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545config SH_TIMER_IRQ
546 int
32351a28 547 default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
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548 default "86" if CPU_SUBTYPE_SH7619
549 default "140" if CPU_SUBTYPE_SH7206
550 default "16"
551
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552config SH_PCLK_FREQ
553 int "Peripheral clock frequency (in Hz)"
870e8a24 554 default "27000000" if CPU_SUBTYPE_SH7343
9d4436a6 555 default "31250000" if CPU_SUBTYPE_SH7619
05627486 556 default "32000000" if CPU_SUBTYPE_SH7722
d89ddd1c 557 default "33333333" if CPU_SUBTYPE_SH7770 || \
9d4436a6 558 CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
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559 CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \
560 CPU_SUBTYPE_SH7263
05627486 561 default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
cad82448 562 default "66000000" if CPU_SUBTYPE_SH4_202
05627486 563 default "50000000"
1da177e4 564 help
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565 This option is used to specify the peripheral clock frequency.
566 This is necessary for determining the reference clock value on
567 platforms lacking an RTC.
1da177e4 568
9d4436a6
YS
569config SH_CLK_MD
570 int "CPU Mode Pin Setting"
6d01f510 571 depends on CPU_SH2
357d5946
PM
572 default 6 if CPU_SUBTYPE_SH7206
573 default 5 if CPU_SUBTYPE_SH7619
574 default 0
9d4436a6 575 help
11cbb70e 576 MD2 - MD0 pin setting.
9d4436a6 577
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578source "kernel/time/Kconfig"
579
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580endmenu
581
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582menu "CPU Frequency scaling"
583
584source "drivers/cpufreq/Kconfig"
1da177e4 585
cad82448
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586config SH_CPU_FREQ
587 tristate "SuperH CPU Frequency driver"
cb5ec75b 588 depends on CPU_FREQ
cad82448 589 select CPU_FREQ_TABLE
1da177e4 590 help
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591 This adds the cpufreq driver for SuperH. At present, only
592 the SH-4 is supported.
1da177e4 593
cad82448 594 For details, take a look at <file:Documentation/cpu-freq>.
1da177e4
LT
595
596 If unsure, say N.
597
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598endmenu
599
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600source "arch/sh/drivers/Kconfig"
601
cad82448 602endmenu
1da177e4 603
cad82448 604config ISA_DMA_API
d7ef4fb3 605 def_bool y
05efc67d 606 depends on SH_MPC1211
1da177e4 607
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608menu "Kernel features"
609
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610source kernel/Kconfig.hz
611
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612config KEXEC
613 bool "kexec system call (EXPERIMENTAL)"
614 depends on EXPERIMENTAL
1da177e4 615 help
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616 kexec is a system call that implements the ability to shutdown your
617 current kernel, and to start another kernel. It is like a reboot
1f1332f7 618 but it is independent of the system firmware. And like a reboot
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619 you can start any kernel with it, not just Linux.
620
1f1332f7 621 The name comes from the similarity to the exec system call.
cad82448
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622
623 It is an ongoing process to be certain the hardware in a machine
624 is properly shutdown, so do not be surprised if this code does not
625 initially work for you. It may help to enable device hotplugging
626 support. As of this writing the exact hardware interface is
627 strongly in flux, so no good recommendation can be made.
628
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629config CRASH_DUMP
630 bool "kernel crash dumps (EXPERIMENTAL)"
631 depends on EXPERIMENTAL
632 help
633 Generate crash dump after being started by kexec.
634 This should be normally only set in special crash dump kernels
635 which are loaded in the main kernel with kexec-tools into
636 a specially reserved region and then later executed after
637 a crash by kdump/kexec. The crash dump kernel must be compiled
638 to a memory address not used by the main kernel using
639 MEMORY_START.
640
641 For more details see Documentation/kdump/kdump.txt
642
1da177e4
LT
643config SMP
644 bool "Symmetric multi-processing support"
357d5946 645 depends on SYS_SUPPORTS_SMP
1da177e4
LT
646 ---help---
647 This enables support for systems with more than one CPU. If you have
648 a system with only one CPU, like most personal computers, say N. If
649 you have a system with more than one CPU, say Y.
650
651 If you say N here, the kernel will run on single and multiprocessor
652 machines, but will use only one CPU of a multiprocessor machine. If
653 you say Y here, the kernel will run on many, but not all,
654 singleprocessor machines. On a singleprocessor machine, the kernel
655 will run faster if you say N here.
656
657 People using multiprocessor machines who say Y here should also say
658 Y to "Enhanced Real Time Clock Support", below.
659
660 See also the <file:Documentation/smp.txt>,
661 <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available
662 at <http://www.tldp.org/docs.html#howto>.
663
664 If you don't know what to do here, say N.
665
666config NR_CPUS
667 int "Maximum number of CPUs (2-32)"
668 range 2 32
669 depends on SMP
2b1bd1ac 670 default "4" if CPU_SHX3
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671 default "2"
672 help
673 This allows you to specify the maximum number of CPUs which this
674 kernel will support. The maximum supported value is 32 and the
675 minimum value which makes sense is 2.
676
677 This is purely to save memory - each supported CPU adds
678 approximately eight kilobytes to the kernel image.
679
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680source "kernel/Kconfig.preempt"
681
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682config GUSA
683 def_bool y
1efe4ce3 684 depends on !SMP && SUPERH32
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685 help
686 This enables support for gUSA (general UserSpace Atomicity).
687 This is the default implementation for both UP and non-ll/sc
688 CPUs, and is used by the libc, amongst others.
689
690 For additional information, design information can be found
691 in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
692
693 This should only be disabled for special cases where alternate
694 atomicity implementations exist.
695
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696config GUSA_RB
697 bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
698 depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
699 help
700 Enabling this option will allow the kernel to implement some
701 atomic operations using a software implemention of load-locked/
702 store-conditional (LLSC). On machines which do not have hardware
703 LLSC, this should be more efficient than the other alternative of
704 disabling insterrupts around the atomic sequence.
705
cad82448 706endmenu
1da177e4 707
cad82448 708menu "Boot options"
1da177e4 709
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710config ZERO_PAGE_OFFSET
711 hex "Zero page offset"
712 default "0x00004000" if SH_MPC1211 || SH_SH03
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713 default "0x00010000" if PAGE_SIZE_64KB
714 default "0x00002000" if PAGE_SIZE_8KB
cad82448 715 default "0x00001000"
1da177e4 716 help
cad82448 717 This sets the default offset of zero page.
1da177e4 718
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719config BOOT_LINK_OFFSET
720 hex "Link address offset for booting"
721 default "0x00800000"
722 help
723 This option allows you to set the link address offset of the zImage.
724 This can be useful if you are on a board which has a small amount of
725 memory.
1da177e4 726
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727config UBC_WAKEUP
728 bool "Wakeup UBC on startup"
0e3a9aab 729 depends on CPU_SH4 && !CPU_SH4A
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730 help
731 Selecting this option will wakeup the User Break Controller (UBC) on
732 startup. Although the UBC is left in an awake state when the processor
733 comes up, some boot loaders misbehave by putting the UBC to sleep in a
734 power saving state, which causes issues with things like ptrace().
1da177e4 735
cad82448 736 If unsure, say N.
1da177e4 737
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738config CMDLINE_BOOL
739 bool "Default bootloader kernel arguments"
1da177e4 740
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741config CMDLINE
742 string "Initial kernel command string"
743 depends on CMDLINE_BOOL
744 default "console=ttySC1,115200"
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745
746endmenu
747
cad82448 748menu "Bus options"
1da177e4
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749
750# Even on SuperH devices which don't have an ISA bus,
751# this variable helps the PCMCIA modules handle
752# IRQ requesting properly -- Greg Banks.
753#
754# Though we're generally not interested in it when
755# we're not using PCMCIA, so we make it dependent on
756# PCMCIA outright. -- PFM.
757config ISA
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758 def_bool y
759 depends on PCMCIA && HD6446X_SERIES
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760 help
761 Find out whether you have ISA slots on your motherboard. ISA is the
762 name of a bus system, i.e. the way the CPU talks to the other stuff
763 inside your box. Other bus systems are PCI, EISA, MicroChannel
764 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
765 newer boards don't support it. If you have ISA, say Y, otherwise N.
766
767config EISA
768 bool
769 ---help---
770 The Extended Industry Standard Architecture (EISA) bus was
771 developed as an open alternative to the IBM MicroChannel bus.
772
773 The EISA bus provided some of the features of the IBM MicroChannel
774 bus while maintaining backward compatibility with cards made for
775 the older ISA bus. The EISA bus saw limited use between 1988 and
776 1995 when it was made obsolete by the PCI bus.
777
778 Say Y here if you are building a kernel for an EISA-based machine.
779
780 Otherwise, say N.
781
782config MCA
783 bool
784 help
785 MicroChannel Architecture is found in some IBM PS/2 machines and
786 laptops. It is a bus system similar to PCI or ISA. See
787 <file:Documentation/mca.txt> (and especially the web page given
788 there) before attempting to build an MCA bus kernel.
789
790config SBUS
791 bool
792
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793config SUPERHYWAY
794 tristate "SuperHyway Bus support"
795 depends on CPU_SUBTYPE_SH4_202
1da177e4 796
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797config MAPLE
798 bool "Maple Bus support"
799 depends on SH_DREAMCAST
800 help
801 The Maple Bus is SEGA's serial communication bus for peripherals
802 on the Dreamcast. Without this bus support you won't be able to
803 get your Dreamcast keyboard etc to work, so most users
804 probably want to say 'Y' here, unless you are only using the
805 Dreamcast with a serial line terminal or a remote network
806 connection.
807
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808config CF_ENABLER
809 bool "Compact Flash Enabler support"
810 depends on SOLUTION_ENGINE || SH_SH03
811 ---help---
812 Compact Flash is a small, removable mass storage device introduced
813 in 1994 originally as a PCMCIA device. If you say `Y' here, you
814 compile in support for Compact Flash devices directly connected to
815 a SuperH processor. A Compact Flash FAQ is available at
816 <http://www.compactflash.org/faqs/faq.htm>.
817
818 If your board has "Directly Connected" CompactFlash at area 5 or 6,
819 you may want to enable this option. Then, you can use CF as
820 primary IDE drive (only tested for SanDisk).
821
822 If in doubt, select 'N'.
823
824choice
825 prompt "Compact Flash Connection Area"
826 depends on CF_ENABLER
827 default CF_AREA6
828
829config CF_AREA5
830 bool "Area5"
831 help
832 If your board has "Directly Connected" CompactFlash, You should
833 select the area where your CF is connected to.
834
835 - "Area5" if CompactFlash is connected to Area 5 (0x14000000)
836 - "Area6" if it is connected to Area 6 (0x18000000)
837
838 "Area6" will work for most boards.
839
840config CF_AREA6
841 bool "Area6"
842
843endchoice
844
845config CF_BASE_ADDR
846 hex
847 depends on CF_ENABLER
848 default "0xb8000000" if CF_AREA6
849 default "0xb4000000" if CF_AREA5
850
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851source "arch/sh/drivers/pci/Kconfig"
852
853source "drivers/pci/Kconfig"
854
855source "drivers/pcmcia/Kconfig"
856
857source "drivers/pci/hotplug/Kconfig"
858
859endmenu
860
861menu "Executable file formats"
862
863source "fs/Kconfig.binfmt"
864
865endmenu
866
3aa770e7 867menu "Power management options (EXPERIMENTAL)"
357d5946 868depends on EXPERIMENTAL && SYS_SUPPORTS_PM
3aa770e7
AS
869
870source kernel/power/Kconfig
871
3aa770e7
AS
872endmenu
873
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SR
874source "net/Kconfig"
875
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876source "drivers/Kconfig"
877
878source "fs/Kconfig"
879
09cadedb 880source "kernel/Kconfig.instrumentation"
1da177e4
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881
882source "arch/sh/Kconfig.debug"
883
884source "security/Kconfig"
885
886source "crypto/Kconfig"
887
888source "lib/Kconfig"