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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
LT
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
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35
36config GENERIC_HWEIGHT
d7ef4fb3 37 def_bool y
e2268c71 38
1da177e4 39config GENERIC_HARDIRQS
d7ef4fb3 40 def_bool y
1da177e4
LT
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
357d5946
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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
31a49c4b
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217config CPU_SUBTYPE_SH7721
218 bool "Support SH7721 processor"
219 select CPU_SH3
220 select CPU_HAS_DSP
221 help
222 Select SH7721 if you have a SH3-DSP SH7721 CPU.
223
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224# SH-4 Processor Support
225
226config CPU_SUBTYPE_SH7750
227 bool "Support SH7750 processor"
228 select CPU_SH4
229 help
230 Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
231
232config CPU_SUBTYPE_SH7091
233 bool "Support SH7091 processor"
234 select CPU_SH4
235 help
236 Select SH7091 if you have an SH-4 based Sega device (such as
237 the Dreamcast, Naomi, and Naomi 2).
238
239config CPU_SUBTYPE_SH7750R
240 bool "Support SH7750R processor"
241 select CPU_SH4
242
243config CPU_SUBTYPE_SH7750S
244 bool "Support SH7750S processor"
245 select CPU_SH4
246
247config CPU_SUBTYPE_SH7751
248 bool "Support SH7751 processor"
249 select CPU_SH4
250 help
251 Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
252 or if you have a HD6417751R CPU.
253
254config CPU_SUBTYPE_SH7751R
255 bool "Support SH7751R processor"
256 select CPU_SH4
257
258config CPU_SUBTYPE_SH7760
259 bool "Support SH7760 processor"
260 select CPU_SH4
261
262config CPU_SUBTYPE_SH4_202
263 bool "Support SH4-202 processor"
264 select CPU_SH4
265
266# SH-4A Processor Support
267
268config CPU_SUBTYPE_SH7770
269 bool "Support SH7770 processor"
270 select CPU_SH4A
271
272config CPU_SUBTYPE_SH7780
273 bool "Support SH7780 processor"
274 select CPU_SH4A
275
276config CPU_SUBTYPE_SH7785
277 bool "Support SH7785 processor"
278 select CPU_SH4A
279 select CPU_SHX2
280 select ARCH_SPARSEMEM_ENABLE
281 select SYS_SUPPORTS_NUMA
282
283config CPU_SUBTYPE_SHX3
284 bool "Support SH-X3 processor"
285 select CPU_SH4A
286 select CPU_SHX3
287 select ARCH_SPARSEMEM_ENABLE
288 select SYS_SUPPORTS_NUMA
289 select SYS_SUPPORTS_SMP
290
291# SH4AL-DSP Processor Support
292
293config CPU_SUBTYPE_SH7343
294 bool "Support SH7343 processor"
295 select CPU_SH4AL_DSP
296
297config CPU_SUBTYPE_SH7722
298 bool "Support SH7722 processor"
299 select CPU_SH4AL_DSP
300 select CPU_SHX2
301 select ARCH_SPARSEMEM_ENABLE
302 select SYS_SUPPORTS_NUMA
303
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304# SH-5 Processor Support
305
306config CPU_SUBTYPE_SH5_101
307 bool "Support SH5-101 processor"
308 select CPU_SH5
309
310config CPU_SUBTYPE_SH5_103
311 bool "Support SH5-103 processor"
312
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313endchoice
314
f3d22298 315source "arch/sh/mm/Kconfig"
4690bdc7 316source "arch/sh/Kconfig.cpu"
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317
318menu "Board support"
319
320config SOLUTION_ENGINE
321 bool
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322
323config SH_SOLUTION_ENGINE
324 bool "SolutionEngine"
bc8fb5d0 325 select SOLUTION_ENGINE
56386f64 326 select CPU_HAS_IPR_IRQ
a8199071
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327 depends on CPU_SUBTYPE_SH7705 || CPU_SUBTYPE_SH7709 || CPU_SUBTYPE_SH7710 || \
328 CPU_SUBTYPE_SH7712 || CPU_SUBTYPE_SH7750 || CPU_SUBTYPE_SH7750S || \
329 CPU_SUBTYPE_SH7750R
1da177e4 330 help
a8199071
NI
331 Select SolutionEngine if configuring for a Hitachi SH7705, SH7709,
332 SH7710, SH7712, SH7750, SH7750S or SH7750R evaluation board.
1da177e4 333
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334config SH_7206_SOLUTION_ENGINE
335 bool "SolutionEngine7206"
336 select SOLUTION_ENGINE
337 depends on CPU_SUBTYPE_SH7206
338 help
339 Select 7206 SolutionEngine if configuring for a Hitachi SH7206
340 evaluation board.
341
342config SH_7619_SOLUTION_ENGINE
343 bool "SolutionEngine7619"
344 select SOLUTION_ENGINE
345 depends on CPU_SUBTYPE_SH7619
346 help
347 Select 7619 SolutionEngine if configuring for a Hitachi SH7619
348 evaluation board.
349
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350config SH_7722_SOLUTION_ENGINE
351 bool "SolutionEngine7722"
352 select SOLUTION_ENGINE
f3d22298 353 depends on CPU_SUBTYPE_SH7722
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354 help
355 Select 7722 SolutionEngine if configuring for a Hitachi SH772
356 evaluation board.
357
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358config SH_7751_SOLUTION_ENGINE
359 bool "SolutionEngine7751"
bc8fb5d0 360 select SOLUTION_ENGINE
56386f64 361 select CPU_HAS_IPR_IRQ
f3d22298 362 depends on CPU_SUBTYPE_SH7751
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363 help
364 Select 7751 SolutionEngine if configuring for a Hitachi SH7751
365 evaluation board.
b7576230
NI
366
367config SH_7780_SOLUTION_ENGINE
368 bool "SolutionEngine7780"
369 select SOLUTION_ENGINE
357d5946 370 select SYS_SUPPORTS_PCI
f3d22298 371 depends on CPU_SUBTYPE_SH7780
b7576230
NI
372 help
373 Select 7780 SolutionEngine if configuring for a Renesas SH7780
374 evaluation board.
1da177e4 375
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376config SH_7343_SOLUTION_ENGINE
377 bool "SolutionEngine7343"
378 select SOLUTION_ENGINE
f3d22298 379 depends on CPU_SUBTYPE_SH7343
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380 help
381 Select 7343 SolutionEngine if configuring for a Hitachi
382 SH7343 (SH-Mobile 3AS) evaluation board.
1da177e4 383
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384config SH_7751_SYSTEMH
385 bool "SystemH7751R"
f3d22298 386 depends on CPU_SUBTYPE_SH7751R
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387 help
388 Select SystemH if you are configuring for a Renesas SystemH
389 7751R evaluation board.
390
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391config SH_HP6XX
392 bool "HP6XX"
0a9b0db1 393 select SYS_SUPPORTS_APM_EMULATION
357d5946 394 select HD6446X_SERIES
f3d22298 395 depends on CPU_SUBTYPE_SH7709
1da177e4 396 help
cad82448 397 Select HP6XX if configuring for a HP jornada HP6xx.
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398 More information (hardware only) at
399 <http://www.hp.com/jornada/>.
400
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401config SH_DREAMCAST
402 bool "Dreamcast"
357d5946 403 select SYS_SUPPORTS_PCI
f3d22298 404 depends on CPU_SUBTYPE_SH7091
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405 help
406 Select Dreamcast if configuring for a SEGA Dreamcast.
ad07b100 407 More information at <http://www.linux-sh.org>
1da177e4 408
1da177e4 409config SH_MPC1211
cad82448 410 bool "Interface MPC1211"
f3d22298 411 depends on CPU_SUBTYPE_SH7751 && BROKEN
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412 help
413 CTP/PCI-SH02 is a CPU module computer that is produced
414 by Interface Corporation.
415 More information at <http://www.interface.co.jp>
1da177e4
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416
417config SH_SH03
cad82448 418 bool "Interface CTP/PCI-SH03"
d59645d6 419 depends on CPU_SUBTYPE_SH7751
56386f64 420 select CPU_HAS_IPR_IRQ
357d5946 421 select SYS_SUPPORTS_PCI
1da177e4 422 help
cad82448 423 CTP/PCI-SH03 is a CPU module computer that is produced
1da177e4 424 by Interface Corporation.
1da177e4
LT
425 More information at <http://www.interface.co.jp>
426
427config SH_SECUREEDGE5410
428 bool "SecureEdge5410"
f3d22298 429 depends on CPU_SUBTYPE_SH7751R
56386f64 430 select CPU_HAS_IPR_IRQ
357d5946 431 select SYS_SUPPORTS_PCI
1da177e4
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432 help
433 Select SecureEdge5410 if configuring for a SnapGear SH board.
434 This includes both the OEM SecureEdge products as well as the
435 SME product line.
436
437config SH_HS7751RVOIP
438 bool "HS7751RVOIP"
f3d22298 439 depends on CPU_SUBTYPE_SH7751R
1da177e4
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440 help
441 Select HS7751RVOIP if configuring for a Renesas Technology
442 Sales VoIP board.
443
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444config SH_7710VOIPGW
445 bool "SH7710-VOIP-GW"
f3d22298 446 depends on CPU_SUBTYPE_SH7710
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447 help
448 Select this option to build a kernel for the SH7710 based
449 VOIP GW.
450
1da177e4
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451config SH_RTS7751R2D
452 bool "RTS7751R2D"
f3d22298 453 depends on CPU_SUBTYPE_SH7751R
357d5946 454 select SYS_SUPPORTS_PCI
1da177e4
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455 help
456 Select RTS7751R2D if configuring for a Renesas Technology
457 Sales SH-Graphics board.
458
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459config SH_HIGHLANDER
460 bool "Highlander"
f3d22298 461 depends on CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
357d5946 462 select SYS_SUPPORTS_PCI
cad82448 463
1da177e4
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464config SH_EDOSK7705
465 bool "EDOSK7705"
f3d22298 466 depends on CPU_SUBTYPE_SH7705
1da177e4
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467
468config SH_SH4202_MICRODEV
469 bool "SH4-202 MicroDev"
f3d22298 470 depends on CPU_SUBTYPE_SH4_202
1da177e4
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471 help
472 Select SH4-202 MicroDev if configuring for a SuperH MicroDev board
473 with an SH4-202 CPU.
474
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475config SH_LANDISK
476 bool "LANDISK"
f3d22298 477 depends on CPU_SUBTYPE_SH7751R
357d5946 478 select SYS_SUPPORTS_PCI
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479 help
480 I-O DATA DEVICE, INC. "LANDISK Series" support.
481
482config SH_TITAN
483 bool "TITAN"
f3d22298 484 depends on CPU_SUBTYPE_SH7751R
56386f64 485 select CPU_HAS_IPR_IRQ
357d5946 486 select SYS_SUPPORTS_PCI
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487 help
488 Select Titan if you are configuring for a Nimble Microsystems
489 NetEngine NP51R.
490
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491config SH_SHMIN
492 bool "SHMIN"
f3d22298 493 depends on CPU_SUBTYPE_SH7706
56386f64 494 select CPU_HAS_IPR_IRQ
51e22e7a 495 help
3cb2fccc 496 Select SHMIN if configuring for the SHMIN board.
51e22e7a 497
c86c5a91
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498config SH_LBOX_RE2
499 bool "L-BOX RE2"
f3d22298 500 depends on CPU_SUBTYPE_SH7751R
357d5946 501 select SYS_SUPPORTS_PCI
c86c5a91
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502 help
503 Select L-BOX RE2 if configuring for the NTT COMWARE L-BOX RE2.
9d4436a6 504
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505config SH_X3PROTO
506 bool "SH-X3 Prototype board"
507 depends on CPU_SUBTYPE_SHX3
508
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509config SH_MAGIC_PANEL_R2
510 bool "Magic Panel R2"
511 depends on CPU_SUBTYPE_SH7720
512 help
513 Select Magic Panel R2 if configuring for Magic Panel R2.
514
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515config SH_CAYMAN
516 bool "Hitachi Cayman"
517 depends on CPU_SUBTYPE_SH5_101 || CPU_SUBTYPE_SH5_103
b6d7b666 518 select SYS_SUPPORTS_PCI
ea0e1a9a 519
f3d22298 520endmenu
1da177e4 521
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522source "arch/sh/boards/renesas/hs7751rvoip/Kconfig"
523source "arch/sh/boards/renesas/rts7751r2d/Kconfig"
524source "arch/sh/boards/renesas/r7780rp/Kconfig"
ded5431f 525source "arch/sh/boards/magicpanelr2/Kconfig"
32351a28 526
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527menu "Timer and clock configuration"
528
cad82448 529config SH_TMU
d7ef4fb3
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530 def_bool y
531 prompt "TMU timer support"
9d4436a6 532 depends on CPU_SH3 || CPU_SH4
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533 select GENERIC_TIME
534 select GENERIC_CLOCKEVENTS
1da177e4 535 help
cad82448 536 This enables the use of the TMU as the system timer.
1da177e4 537
9d4436a6 538config SH_CMT
d7ef4fb3
HH
539 def_bool y
540 prompt "CMT timer support"
9d4436a6 541 depends on CPU_SH2
9d4436a6
YS
542 help
543 This enables the use of the CMT as the system timer.
544
545config SH_MTU2
d7ef4fb3
HH
546 def_bool n
547 prompt "MTU2 timer support"
9d4436a6 548 depends on CPU_SH2A
9d4436a6
YS
549 help
550 This enables the use of the MTU2 as the system timer.
551
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552config SH_TIMER_IRQ
553 int
32351a28 554 default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
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555 default "86" if CPU_SUBTYPE_SH7619
556 default "140" if CPU_SUBTYPE_SH7206
557 default "16"
558
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559config SH_PCLK_FREQ
560 int "Peripheral clock frequency (in Hz)"
870e8a24 561 default "27000000" if CPU_SUBTYPE_SH7343
9d4436a6 562 default "31250000" if CPU_SUBTYPE_SH7619
05627486 563 default "32000000" if CPU_SUBTYPE_SH7722
d89ddd1c 564 default "33333333" if CPU_SUBTYPE_SH7770 || \
9d4436a6 565 CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
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566 CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \
567 CPU_SUBTYPE_SH7263
05627486 568 default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
cad82448 569 default "66000000" if CPU_SUBTYPE_SH4_202
05627486 570 default "50000000"
1da177e4 571 help
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572 This option is used to specify the peripheral clock frequency.
573 This is necessary for determining the reference clock value on
574 platforms lacking an RTC.
1da177e4 575
9d4436a6
YS
576config SH_CLK_MD
577 int "CPU Mode Pin Setting"
6d01f510 578 depends on CPU_SH2
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PM
579 default 6 if CPU_SUBTYPE_SH7206
580 default 5 if CPU_SUBTYPE_SH7619
581 default 0
9d4436a6 582 help
11cbb70e 583 MD2 - MD0 pin setting.
9d4436a6 584
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585source "kernel/time/Kconfig"
586
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587endmenu
588
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589menu "CPU Frequency scaling"
590
591source "drivers/cpufreq/Kconfig"
1da177e4 592
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593config SH_CPU_FREQ
594 tristate "SuperH CPU Frequency driver"
cb5ec75b 595 depends on CPU_FREQ
cad82448 596 select CPU_FREQ_TABLE
1da177e4 597 help
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598 This adds the cpufreq driver for SuperH. At present, only
599 the SH-4 is supported.
1da177e4 600
cad82448 601 For details, take a look at <file:Documentation/cpu-freq>.
1da177e4
LT
602
603 If unsure, say N.
604
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605endmenu
606
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607source "arch/sh/drivers/Kconfig"
608
cad82448 609endmenu
1da177e4 610
cad82448 611config ISA_DMA_API
d7ef4fb3 612 def_bool y
05efc67d 613 depends on SH_MPC1211
1da177e4 614
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615menu "Kernel features"
616
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617source kernel/Kconfig.hz
618
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619config KEXEC
620 bool "kexec system call (EXPERIMENTAL)"
621 depends on EXPERIMENTAL
1da177e4 622 help
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623 kexec is a system call that implements the ability to shutdown your
624 current kernel, and to start another kernel. It is like a reboot
1f1332f7 625 but it is independent of the system firmware. And like a reboot
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626 you can start any kernel with it, not just Linux.
627
1f1332f7 628 The name comes from the similarity to the exec system call.
cad82448
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629
630 It is an ongoing process to be certain the hardware in a machine
631 is properly shutdown, so do not be surprised if this code does not
632 initially work for you. It may help to enable device hotplugging
633 support. As of this writing the exact hardware interface is
634 strongly in flux, so no good recommendation can be made.
635
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636config CRASH_DUMP
637 bool "kernel crash dumps (EXPERIMENTAL)"
638 depends on EXPERIMENTAL
639 help
640 Generate crash dump after being started by kexec.
641 This should be normally only set in special crash dump kernels
642 which are loaded in the main kernel with kexec-tools into
643 a specially reserved region and then later executed after
644 a crash by kdump/kexec. The crash dump kernel must be compiled
645 to a memory address not used by the main kernel using
646 MEMORY_START.
647
648 For more details see Documentation/kdump/kdump.txt
649
1da177e4
LT
650config SMP
651 bool "Symmetric multi-processing support"
357d5946 652 depends on SYS_SUPPORTS_SMP
1da177e4
LT
653 ---help---
654 This enables support for systems with more than one CPU. If you have
655 a system with only one CPU, like most personal computers, say N. If
656 you have a system with more than one CPU, say Y.
657
658 If you say N here, the kernel will run on single and multiprocessor
659 machines, but will use only one CPU of a multiprocessor machine. If
660 you say Y here, the kernel will run on many, but not all,
661 singleprocessor machines. On a singleprocessor machine, the kernel
662 will run faster if you say N here.
663
664 People using multiprocessor machines who say Y here should also say
665 Y to "Enhanced Real Time Clock Support", below.
666
667 See also the <file:Documentation/smp.txt>,
668 <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available
669 at <http://www.tldp.org/docs.html#howto>.
670
671 If you don't know what to do here, say N.
672
673config NR_CPUS
674 int "Maximum number of CPUs (2-32)"
675 range 2 32
676 depends on SMP
2b1bd1ac 677 default "4" if CPU_SHX3
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678 default "2"
679 help
680 This allows you to specify the maximum number of CPUs which this
681 kernel will support. The maximum supported value is 32 and the
682 minimum value which makes sense is 2.
683
684 This is purely to save memory - each supported CPU adds
685 approximately eight kilobytes to the kernel image.
686
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687source "kernel/Kconfig.preempt"
688
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689config GUSA
690 def_bool y
1efe4ce3 691 depends on !SMP && SUPERH32
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692 help
693 This enables support for gUSA (general UserSpace Atomicity).
694 This is the default implementation for both UP and non-ll/sc
695 CPUs, and is used by the libc, amongst others.
696
697 For additional information, design information can be found
698 in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
699
700 This should only be disabled for special cases where alternate
701 atomicity implementations exist.
702
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703config GUSA_RB
704 bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
705 depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
706 help
707 Enabling this option will allow the kernel to implement some
708 atomic operations using a software implemention of load-locked/
709 store-conditional (LLSC). On machines which do not have hardware
710 LLSC, this should be more efficient than the other alternative of
711 disabling insterrupts around the atomic sequence.
712
cad82448 713endmenu
1da177e4 714
cad82448 715menu "Boot options"
1da177e4 716
cad82448
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717config ZERO_PAGE_OFFSET
718 hex "Zero page offset"
719 default "0x00004000" if SH_MPC1211 || SH_SH03
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720 default "0x00010000" if PAGE_SIZE_64KB
721 default "0x00002000" if PAGE_SIZE_8KB
cad82448 722 default "0x00001000"
1da177e4 723 help
cad82448 724 This sets the default offset of zero page.
1da177e4 725
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726config BOOT_LINK_OFFSET
727 hex "Link address offset for booting"
728 default "0x00800000"
729 help
730 This option allows you to set the link address offset of the zImage.
731 This can be useful if you are on a board which has a small amount of
732 memory.
1da177e4 733
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734config UBC_WAKEUP
735 bool "Wakeup UBC on startup"
0e3a9aab 736 depends on CPU_SH4 && !CPU_SH4A
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737 help
738 Selecting this option will wakeup the User Break Controller (UBC) on
739 startup. Although the UBC is left in an awake state when the processor
740 comes up, some boot loaders misbehave by putting the UBC to sleep in a
741 power saving state, which causes issues with things like ptrace().
1da177e4 742
cad82448 743 If unsure, say N.
1da177e4 744
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745config CMDLINE_BOOL
746 bool "Default bootloader kernel arguments"
1da177e4 747
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748config CMDLINE
749 string "Initial kernel command string"
750 depends on CMDLINE_BOOL
751 default "console=ttySC1,115200"
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752
753endmenu
754
cad82448 755menu "Bus options"
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756
757# Even on SuperH devices which don't have an ISA bus,
758# this variable helps the PCMCIA modules handle
759# IRQ requesting properly -- Greg Banks.
760#
761# Though we're generally not interested in it when
762# we're not using PCMCIA, so we make it dependent on
763# PCMCIA outright. -- PFM.
764config ISA
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765 def_bool y
766 depends on PCMCIA && HD6446X_SERIES
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767 help
768 Find out whether you have ISA slots on your motherboard. ISA is the
769 name of a bus system, i.e. the way the CPU talks to the other stuff
770 inside your box. Other bus systems are PCI, EISA, MicroChannel
771 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
772 newer boards don't support it. If you have ISA, say Y, otherwise N.
773
774config EISA
775 bool
776 ---help---
777 The Extended Industry Standard Architecture (EISA) bus was
778 developed as an open alternative to the IBM MicroChannel bus.
779
780 The EISA bus provided some of the features of the IBM MicroChannel
781 bus while maintaining backward compatibility with cards made for
782 the older ISA bus. The EISA bus saw limited use between 1988 and
783 1995 when it was made obsolete by the PCI bus.
784
785 Say Y here if you are building a kernel for an EISA-based machine.
786
787 Otherwise, say N.
788
789config MCA
790 bool
791 help
792 MicroChannel Architecture is found in some IBM PS/2 machines and
793 laptops. It is a bus system similar to PCI or ISA. See
794 <file:Documentation/mca.txt> (and especially the web page given
795 there) before attempting to build an MCA bus kernel.
796
797config SBUS
798 bool
799
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800config SUPERHYWAY
801 tristate "SuperHyway Bus support"
802 depends on CPU_SUBTYPE_SH4_202
1da177e4 803
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804config MAPLE
805 bool "Maple Bus support"
806 depends on SH_DREAMCAST
807 help
808 The Maple Bus is SEGA's serial communication bus for peripherals
809 on the Dreamcast. Without this bus support you won't be able to
810 get your Dreamcast keyboard etc to work, so most users
811 probably want to say 'Y' here, unless you are only using the
812 Dreamcast with a serial line terminal or a remote network
813 connection.
814
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815config CF_ENABLER
816 bool "Compact Flash Enabler support"
817 depends on SOLUTION_ENGINE || SH_SH03
818 ---help---
819 Compact Flash is a small, removable mass storage device introduced
820 in 1994 originally as a PCMCIA device. If you say `Y' here, you
821 compile in support for Compact Flash devices directly connected to
822 a SuperH processor. A Compact Flash FAQ is available at
823 <http://www.compactflash.org/faqs/faq.htm>.
824
825 If your board has "Directly Connected" CompactFlash at area 5 or 6,
826 you may want to enable this option. Then, you can use CF as
827 primary IDE drive (only tested for SanDisk).
828
829 If in doubt, select 'N'.
830
831choice
832 prompt "Compact Flash Connection Area"
833 depends on CF_ENABLER
834 default CF_AREA6
835
836config CF_AREA5
837 bool "Area5"
838 help
839 If your board has "Directly Connected" CompactFlash, You should
840 select the area where your CF is connected to.
841
842 - "Area5" if CompactFlash is connected to Area 5 (0x14000000)
843 - "Area6" if it is connected to Area 6 (0x18000000)
844
845 "Area6" will work for most boards.
846
847config CF_AREA6
848 bool "Area6"
849
850endchoice
851
852config CF_BASE_ADDR
853 hex
854 depends on CF_ENABLER
855 default "0xb8000000" if CF_AREA6
856 default "0xb4000000" if CF_AREA5
857
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LT
858source "arch/sh/drivers/pci/Kconfig"
859
860source "drivers/pci/Kconfig"
861
862source "drivers/pcmcia/Kconfig"
863
864source "drivers/pci/hotplug/Kconfig"
865
866endmenu
867
868menu "Executable file formats"
869
870source "fs/Kconfig.binfmt"
871
872endmenu
873
3aa770e7 874menu "Power management options (EXPERIMENTAL)"
357d5946 875depends on EXPERIMENTAL && SYS_SUPPORTS_PM
3aa770e7
AS
876
877source kernel/power/Kconfig
878
3aa770e7
AS
879endmenu
880
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SR
881source "net/Kconfig"
882
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883source "drivers/Kconfig"
884
885source "fs/Kconfig"
886
09cadedb 887source "kernel/Kconfig.instrumentation"
1da177e4
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888
889source "arch/sh/Kconfig.debug"
890
891source "security/Kconfig"
892
893source "crypto/Kconfig"
894
895source "lib/Kconfig"