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Commit | Line | Data |
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1da177e4 LT |
1 | # |
2 | # For a description of the syntax of this configuration file, | |
3 | # see Documentation/kbuild/kconfig-language.txt. | |
4 | # | |
5 | ||
6 | mainmenu "Linux/SuperH Kernel Configuration" | |
7 | ||
8 | config SUPERH | |
ea0e1a9a | 9 | def_bool y |
7a440c95 | 10 | select EMBEDDED |
9483a578 | 11 | select HAVE_CLK |
ec7748b5 | 12 | select HAVE_IDE |
42d4b839 | 13 | select HAVE_OPROFILE |
9de90ac2 | 14 | select HAVE_GENERIC_DMA_COHERENT |
21944781 | 15 | select HAVE_IOREMAP_PROT if MMU |
d7b01f78 | 16 | select HAVE_ARCH_TRACEHOOK |
f802d969 | 17 | select HAVE_DMA_API_DEBUG |
6eac1af0 | 18 | select RTC_LIB |
1da177e4 LT |
19 | help |
20 | The SuperH is a RISC processor targeted for use in embedded systems | |
21 | and consumer electronics; it was also used in the Sega Dreamcast | |
22 | gaming console. The SuperH port has a home page at | |
23 | <http://www.linux-sh.org/>. | |
24 | ||
39d28a2d | 25 | config SUPERH32 |
3cc000b5 | 26 | def_bool ARCH = "sh" |
d39f5450 CS |
27 | select HAVE_KPROBES |
28 | select HAVE_KRETPROBES | |
694f94f2 | 29 | select HAVE_FUNCTION_TRACER |
fad57feb MF |
30 | select HAVE_FTRACE_MCOUNT_RECORD |
31 | select HAVE_DYNAMIC_FTRACE | |
ab6e570b | 32 | select HAVE_ARCH_KGDB |
8dafc346 | 33 | select ARCH_HIBERNATION_POSSIBLE if MMU |
ea0e1a9a PM |
34 | |
35 | config SUPERH64 | |
3cc000b5 | 36 | def_bool ARCH = "sh64" |
39d28a2d | 37 | |
f42b7e3d PM |
38 | config ARCH_DEFCONFIG |
39 | string | |
40 | default "arch/sh/configs/shx3_defconfig" if SUPERH32 | |
41 | default "arch/sh/configs/cayman_defconfig" if SUPERH64 | |
42 | ||
1da177e4 | 43 | config RWSEM_GENERIC_SPINLOCK |
d7ef4fb3 | 44 | def_bool y |
1da177e4 LT |
45 | |
46 | config RWSEM_XCHGADD_ALGORITHM | |
47 | bool | |
48 | ||
fa691511 PM |
49 | config GENERIC_BUG |
50 | def_bool y | |
a82d53ec | 51 | depends on BUG && SUPERH32 |
fa691511 | 52 | |
e2268c71 | 53 | config GENERIC_FIND_NEXT_BIT |
d7ef4fb3 | 54 | def_bool y |
e2268c71 AM |
55 | |
56 | config GENERIC_HWEIGHT | |
d7ef4fb3 | 57 | def_bool y |
e2268c71 | 58 | |
1da177e4 | 59 | config GENERIC_HARDIRQS |
d7ef4fb3 | 60 | def_bool y |
1da177e4 | 61 | |
5093c9a4 PM |
62 | config GENERIC_HARDIRQS_NO__DO_IRQ |
63 | def_bool y | |
64 | ||
1da177e4 | 65 | config GENERIC_IRQ_PROBE |
d7ef4fb3 | 66 | def_bool y |
1da177e4 | 67 | |
2967dab1 MD |
68 | config GENERIC_GPIO |
69 | def_bool n | |
70 | ||
1da177e4 | 71 | config GENERIC_CALIBRATE_DELAY |
cf204fa7 | 72 | bool |
1da177e4 | 73 | |
cad82448 PM |
74 | config GENERIC_IOMAP |
75 | bool | |
76 | ||
45882145 | 77 | config GENERIC_TIME |
75634311 | 78 | def_bool y |
45882145 | 79 | |
57be2b48 | 80 | config GENERIC_CLOCKEVENTS |
938edae1 | 81 | def_bool y |
57be2b48 | 82 | |
8c24594d PM |
83 | config GENERIC_CLOCKEVENTS_BROADCAST |
84 | bool | |
85 | ||
6d134b9e PM |
86 | config GENERIC_CMOS_UPDATE |
87 | def_bool y | |
88 | depends on SH_SH03 || SH_DREAMCAST | |
89 | ||
bdcab87b PM |
90 | config GENERIC_LOCKBREAK |
91 | def_bool y | |
92 | depends on SMP && PREEMPT | |
93 | ||
357d5946 PM |
94 | config SYS_SUPPORTS_PM |
95 | bool | |
af998a9a MD |
96 | depends on !SMP |
97 | ||
98 | config ARCH_SUSPEND_POSSIBLE | |
99 | def_bool n | |
100 | ||
101 | config ARCH_HIBERNATION_POSSIBLE | |
102 | def_bool n | |
357d5946 | 103 | |
0a9b0db1 PM |
104 | config SYS_SUPPORTS_APM_EMULATION |
105 | bool | |
af998a9a | 106 | select ARCH_SUSPEND_POSSIBLE |
357d5946 PM |
107 | |
108 | config SYS_SUPPORTS_SMP | |
109 | bool | |
110 | ||
111 | config SYS_SUPPORTS_NUMA | |
112 | bool | |
113 | ||
114 | config SYS_SUPPORTS_PCI | |
115 | bool | |
0a9b0db1 | 116 | |
f5ad881b PM |
117 | config SYS_SUPPORTS_CMT |
118 | bool | |
119 | ||
d5ed4c2e MD |
120 | config SYS_SUPPORTS_MTU2 |
121 | bool | |
122 | ||
9570ef20 MD |
123 | config SYS_SUPPORTS_TMU |
124 | bool | |
125 | ||
afbfb52e | 126 | config STACKTRACE_SUPPORT |
d7ef4fb3 | 127 | def_bool y |
afbfb52e PM |
128 | |
129 | config LOCKDEP_SUPPORT | |
d7ef4fb3 | 130 | def_bool y |
afbfb52e | 131 | |
5a89f1ad PM |
132 | config HAVE_LATENCYTOP_SUPPORT |
133 | def_bool y | |
134 | depends on !SMP | |
135 | ||
f0d1b0b3 | 136 | config ARCH_HAS_ILOG2_U32 |
d7ef4fb3 | 137 | def_bool n |
f0d1b0b3 DH |
138 | |
139 | config ARCH_HAS_ILOG2_U64 | |
d7ef4fb3 | 140 | def_bool n |
f0d1b0b3 | 141 | |
e257ad06 PM |
142 | config ARCH_NO_VIRT_TO_BUS |
143 | def_bool y | |
144 | ||
e869a90e PM |
145 | config ARCH_HAS_DEFAULT_IDLE |
146 | def_bool y | |
147 | ||
e7cc9a73 MD |
148 | config IO_TRAPPED |
149 | bool | |
150 | ||
1da177e4 LT |
151 | source "init/Kconfig" |
152 | ||
dc52ddc0 MH |
153 | source "kernel/Kconfig.freezer" |
154 | ||
1da177e4 LT |
155 | menu "System type" |
156 | ||
b5f42db0 PM |
157 | # |
158 | # Processor families | |
159 | # | |
160 | config CPU_SH2 | |
161 | bool | |
162 | ||
163 | config CPU_SH2A | |
164 | bool | |
165 | select CPU_SH2 | |
166 | ||
167 | config CPU_SH3 | |
168 | bool | |
169 | select CPU_HAS_INTEVT | |
170 | select CPU_HAS_SR_RB | |
4fa48e17 | 171 | select SYS_SUPPORTS_TMU |
b5f42db0 PM |
172 | |
173 | config CPU_SH4 | |
174 | bool | |
175 | select CPU_HAS_INTEVT | |
176 | select CPU_HAS_SR_RB | |
177 | select CPU_HAS_PTEA if !CPU_SH4A || CPU_SHX2 | |
178 | select CPU_HAS_FPU if !CPU_SH4AL_DSP | |
4fa48e17 | 179 | select SYS_SUPPORTS_TMU |
b5f42db0 PM |
180 | |
181 | config CPU_SH4A | |
182 | bool | |
183 | select CPU_SH4 | |
184 | ||
185 | config CPU_SH4AL_DSP | |
186 | bool | |
187 | select CPU_SH4A | |
188 | select CPU_HAS_DSP | |
189 | ||
ea0e1a9a PM |
190 | config CPU_SH5 |
191 | bool | |
192 | select CPU_HAS_FPU | |
add47067 | 193 | select SYS_SUPPORTS_TMU |
ea0e1a9a | 194 | |
b5f42db0 PM |
195 | config CPU_SHX2 |
196 | bool | |
197 | ||
198 | config CPU_SHX3 | |
199 | bool | |
200 | ||
dc65a977 PM |
201 | config ARCH_SHMOBILE |
202 | bool | |
77594912 | 203 | select ARCH_SUSPEND_POSSIBLE |
dc65a977 | 204 | |
3cc000b5 PM |
205 | if SUPERH32 |
206 | ||
b5f42db0 PM |
207 | choice |
208 | prompt "Processor sub-type selection" | |
209 | ||
210 | # | |
211 | # Processor subtypes | |
212 | # | |
213 | ||
214 | # SH-2 Processor Support | |
215 | ||
216 | config CPU_SUBTYPE_SH7619 | |
217 | bool "Support SH7619 processor" | |
218 | select CPU_SH2 | |
f5ad881b | 219 | select SYS_SUPPORTS_CMT |
b5f42db0 PM |
220 | |
221 | # SH-2A Processor Support | |
222 | ||
2825999e PG |
223 | config CPU_SUBTYPE_SH7201 |
224 | bool "Support SH7201 processor" | |
225 | select CPU_SH2A | |
226 | select CPU_HAS_FPU | |
da107c6e | 227 | select SYS_SUPPORTS_MTU2 |
2825999e | 228 | |
6d01f510 PM |
229 | config CPU_SUBTYPE_SH7203 |
230 | bool "Support SH7203 processor" | |
231 | select CPU_SH2A | |
74d99a5e | 232 | select CPU_HAS_FPU |
f5ad881b | 233 | select SYS_SUPPORTS_CMT |
da107c6e | 234 | select SYS_SUPPORTS_MTU2 |
6d01f510 | 235 | |
b5f42db0 PM |
236 | config CPU_SUBTYPE_SH7206 |
237 | bool "Support SH7206 processor" | |
238 | select CPU_SH2A | |
f5ad881b | 239 | select SYS_SUPPORTS_CMT |
da107c6e | 240 | select SYS_SUPPORTS_MTU2 |
b5f42db0 | 241 | |
a8f67f4b PM |
242 | config CPU_SUBTYPE_SH7263 |
243 | bool "Support SH7263 processor" | |
244 | select CPU_SH2A | |
74d99a5e | 245 | select CPU_HAS_FPU |
f5ad881b | 246 | select SYS_SUPPORTS_CMT |
da107c6e | 247 | select SYS_SUPPORTS_MTU2 |
a8f67f4b | 248 | |
2ad69908 PM |
249 | config CPU_SUBTYPE_MXG |
250 | bool "Support MX-G processor" | |
251 | select CPU_SH2A | |
da107c6e | 252 | select SYS_SUPPORTS_MTU2 |
2ad69908 PM |
253 | help |
254 | Select MX-G if running on an R8A03022BG part. | |
255 | ||
b5f42db0 PM |
256 | # SH-3 Processor Support |
257 | ||
258 | config CPU_SUBTYPE_SH7705 | |
259 | bool "Support SH7705 processor" | |
260 | select CPU_SH3 | |
261 | ||
262 | config CPU_SUBTYPE_SH7706 | |
263 | bool "Support SH7706 processor" | |
264 | select CPU_SH3 | |
265 | help | |
266 | Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU. | |
267 | ||
268 | config CPU_SUBTYPE_SH7707 | |
269 | bool "Support SH7707 processor" | |
270 | select CPU_SH3 | |
271 | help | |
272 | Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU. | |
273 | ||
274 | config CPU_SUBTYPE_SH7708 | |
275 | bool "Support SH7708 processor" | |
276 | select CPU_SH3 | |
277 | help | |
278 | Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or | |
279 | if you have a 100 Mhz SH-3 HD6417708R CPU. | |
280 | ||
281 | config CPU_SUBTYPE_SH7709 | |
282 | bool "Support SH7709 processor" | |
283 | select CPU_SH3 | |
284 | help | |
285 | Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU. | |
286 | ||
287 | config CPU_SUBTYPE_SH7710 | |
288 | bool "Support SH7710 processor" | |
289 | select CPU_SH3 | |
290 | select CPU_HAS_DSP | |
291 | help | |
292 | Select SH7710 if you have a SH3-DSP SH7710 CPU. | |
293 | ||
294 | config CPU_SUBTYPE_SH7712 | |
295 | bool "Support SH7712 processor" | |
296 | select CPU_SH3 | |
297 | select CPU_HAS_DSP | |
298 | help | |
299 | Select SH7712 if you have a SH3-DSP SH7712 CPU. | |
300 | ||
301 | config CPU_SUBTYPE_SH7720 | |
302 | bool "Support SH7720 processor" | |
303 | select CPU_SH3 | |
304 | select CPU_HAS_DSP | |
305 | help | |
306 | Select SH7720 if you have a SH3-DSP SH7720 CPU. | |
307 | ||
31a49c4b YS |
308 | config CPU_SUBTYPE_SH7721 |
309 | bool "Support SH7721 processor" | |
310 | select CPU_SH3 | |
311 | select CPU_HAS_DSP | |
312 | help | |
313 | Select SH7721 if you have a SH3-DSP SH7721 CPU. | |
314 | ||
b5f42db0 PM |
315 | # SH-4 Processor Support |
316 | ||
317 | config CPU_SUBTYPE_SH7750 | |
318 | bool "Support SH7750 processor" | |
319 | select CPU_SH4 | |
320 | help | |
321 | Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU. | |
322 | ||
323 | config CPU_SUBTYPE_SH7091 | |
324 | bool "Support SH7091 processor" | |
325 | select CPU_SH4 | |
326 | help | |
327 | Select SH7091 if you have an SH-4 based Sega device (such as | |
328 | the Dreamcast, Naomi, and Naomi 2). | |
329 | ||
330 | config CPU_SUBTYPE_SH7750R | |
331 | bool "Support SH7750R processor" | |
332 | select CPU_SH4 | |
333 | ||
334 | config CPU_SUBTYPE_SH7750S | |
335 | bool "Support SH7750S processor" | |
336 | select CPU_SH4 | |
337 | ||
338 | config CPU_SUBTYPE_SH7751 | |
339 | bool "Support SH7751 processor" | |
340 | select CPU_SH4 | |
341 | help | |
342 | Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU, | |
343 | or if you have a HD6417751R CPU. | |
344 | ||
345 | config CPU_SUBTYPE_SH7751R | |
346 | bool "Support SH7751R processor" | |
347 | select CPU_SH4 | |
348 | ||
349 | config CPU_SUBTYPE_SH7760 | |
350 | bool "Support SH7760 processor" | |
351 | select CPU_SH4 | |
352 | ||
353 | config CPU_SUBTYPE_SH4_202 | |
354 | bool "Support SH4-202 processor" | |
355 | select CPU_SH4 | |
356 | ||
357 | # SH-4A Processor Support | |
358 | ||
178dd0cd PM |
359 | config CPU_SUBTYPE_SH7723 |
360 | bool "Support SH7723 processor" | |
361 | select CPU_SH4A | |
362 | select CPU_SHX2 | |
dc65a977 | 363 | select ARCH_SHMOBILE |
178dd0cd | 364 | select ARCH_SPARSEMEM_ENABLE |
f5ad881b | 365 | select SYS_SUPPORTS_CMT |
178dd0cd PM |
366 | help |
367 | Select SH7723 if you have an SH-MobileR2 CPU. | |
368 | ||
0207a2ef KM |
369 | config CPU_SUBTYPE_SH7724 |
370 | bool "Support SH7724 processor" | |
371 | select CPU_SH4A | |
372 | select CPU_SHX2 | |
59fe700d | 373 | select ARCH_SHMOBILE |
0207a2ef KM |
374 | select ARCH_SPARSEMEM_ENABLE |
375 | select SYS_SUPPORTS_CMT | |
376 | help | |
377 | Select SH7724 if you have an SH-MobileR2R CPU. | |
378 | ||
7d740a06 YS |
379 | config CPU_SUBTYPE_SH7763 |
380 | bool "Support SH7763 processor" | |
381 | select CPU_SH4A | |
382 | help | |
383 | Select SH7763 if you have a SH4A SH7763(R5S77631) CPU. | |
384 | ||
b5f42db0 PM |
385 | config CPU_SUBTYPE_SH7770 |
386 | bool "Support SH7770 processor" | |
387 | select CPU_SH4A | |
388 | ||
389 | config CPU_SUBTYPE_SH7780 | |
390 | bool "Support SH7780 processor" | |
391 | select CPU_SH4A | |
392 | ||
393 | config CPU_SUBTYPE_SH7785 | |
394 | bool "Support SH7785 processor" | |
395 | select CPU_SH4A | |
396 | select CPU_SHX2 | |
55ba99eb KM |
397 | select ARCH_SPARSEMEM_ENABLE |
398 | select SYS_SUPPORTS_NUMA | |
399 | ||
400 | config CPU_SUBTYPE_SH7786 | |
401 | bool "Support SH7786 processor" | |
402 | select CPU_SH4A | |
37042fbd | 403 | select CPU_SHX3 |
8263a67e | 404 | select CPU_HAS_PTEAEX |
b5f42db0 PM |
405 | select ARCH_SPARSEMEM_ENABLE |
406 | select SYS_SUPPORTS_NUMA | |
407 | ||
408 | config CPU_SUBTYPE_SHX3 | |
409 | bool "Support SH-X3 processor" | |
410 | select CPU_SH4A | |
411 | select CPU_SHX3 | |
412 | select ARCH_SPARSEMEM_ENABLE | |
413 | select SYS_SUPPORTS_NUMA | |
414 | select SYS_SUPPORTS_SMP | |
5840263e | 415 | select GENERIC_CLOCKEVENTS_BROADCAST if SMP |
b5f42db0 PM |
416 | |
417 | # SH4AL-DSP Processor Support | |
418 | ||
419 | config CPU_SUBTYPE_SH7343 | |
420 | bool "Support SH7343 processor" | |
421 | select CPU_SH4AL_DSP | |
dc65a977 | 422 | select ARCH_SHMOBILE |
f5ad881b | 423 | select SYS_SUPPORTS_CMT |
b5f42db0 PM |
424 | |
425 | config CPU_SUBTYPE_SH7722 | |
426 | bool "Support SH7722 processor" | |
427 | select CPU_SH4AL_DSP | |
428 | select CPU_SHX2 | |
dc65a977 | 429 | select ARCH_SHMOBILE |
b5f42db0 PM |
430 | select ARCH_SPARSEMEM_ENABLE |
431 | select SYS_SUPPORTS_NUMA | |
f5ad881b | 432 | select SYS_SUPPORTS_CMT |
9109a30e MD |
433 | |
434 | config CPU_SUBTYPE_SH7366 | |
435 | bool "Support SH7366 processor" | |
436 | select CPU_SH4AL_DSP | |
437 | select CPU_SHX2 | |
dc65a977 | 438 | select ARCH_SHMOBILE |
9109a30e MD |
439 | select ARCH_SPARSEMEM_ENABLE |
440 | select SYS_SUPPORTS_NUMA | |
f5ad881b | 441 | select SYS_SUPPORTS_CMT |
b5f42db0 | 442 | |
3cc000b5 PM |
443 | endchoice |
444 | ||
445 | endif | |
446 | ||
447 | if SUPERH64 | |
448 | ||
449 | choice | |
450 | prompt "Processor sub-type selection" | |
451 | ||
ea0e1a9a PM |
452 | # SH-5 Processor Support |
453 | ||
454 | config CPU_SUBTYPE_SH5_101 | |
455 | bool "Support SH5-101 processor" | |
456 | select CPU_SH5 | |
457 | ||
458 | config CPU_SUBTYPE_SH5_103 | |
459 | bool "Support SH5-103 processor" | |
8ef97dd7 | 460 | select CPU_SH5 |
ea0e1a9a | 461 | |
b5f42db0 PM |
462 | endchoice |
463 | ||
3cc000b5 PM |
464 | endif |
465 | ||
f3d22298 | 466 | source "arch/sh/mm/Kconfig" |
939a24a6 | 467 | |
4690bdc7 | 468 | source "arch/sh/Kconfig.cpu" |
f3d22298 | 469 | |
939a24a6 | 470 | source "arch/sh/boards/Kconfig" |
32351a28 | 471 | |
32351a28 PM |
472 | menu "Timer and clock configuration" |
473 | ||
cad82448 | 474 | config SH_TMU |
f5ad881b | 475 | bool "TMU timer support" |
9d4436a6 | 476 | depends on CPU_SH3 || CPU_SH4 |
f5ad881b | 477 | default y |
1da177e4 | 478 | help |
cad82448 | 479 | This enables the use of the TMU as the system timer. |
1da177e4 | 480 | |
9570ef20 MD |
481 | config SH_TIMER_TMU |
482 | bool "TMU timer driver" | |
483 | depends on !SH_TMU && SYS_SUPPORTS_TMU | |
484 | default y | |
9570ef20 MD |
485 | help |
486 | This enables the build of the TMU timer driver. | |
487 | ||
f5ad881b | 488 | config SH_TIMER_CMT |
f425752f MD |
489 | bool "CMT timer driver" |
490 | depends on SYS_SUPPORTS_CMT | |
491 | default y | |
f425752f MD |
492 | help |
493 | This enables build of the CMT timer driver. | |
f5ad881b | 494 | |
d5ed4c2e MD |
495 | config SH_TIMER_MTU2 |
496 | bool "MTU2 timer driver" | |
3280c886 | 497 | depends on SYS_SUPPORTS_MTU2 |
d5ed4c2e | 498 | default y |
d5ed4c2e MD |
499 | help |
500 | This enables build of the MTU2 timer driver. | |
501 | ||
417528a2 PM |
502 | config SH_TIMER_IRQ |
503 | int | |
7d740a06 YS |
504 | default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 || \ |
505 | CPU_SUBTYPE_SH7763 | |
417528a2 PM |
506 | default "86" if CPU_SUBTYPE_SH7619 |
507 | default "140" if CPU_SUBTYPE_SH7206 | |
d63f3a58 PM |
508 | default "142" if CPU_SUBTYPE_SH7203 && SH_CMT |
509 | default "153" if CPU_SUBTYPE_SH7203 && SH_MTU2 | |
2ad69908 | 510 | default "238" if CPU_SUBTYPE_MXG |
417528a2 PM |
511 | default "16" |
512 | ||
cad82448 PM |
513 | config SH_PCLK_FREQ |
514 | int "Peripheral clock frequency (in Hz)" | |
870e8a24 | 515 | default "27000000" if CPU_SUBTYPE_SH7343 |
9d4436a6 | 516 | default "31250000" if CPU_SUBTYPE_SH7619 |
05627486 | 517 | default "32000000" if CPU_SUBTYPE_SH7722 |
178dd0cd | 518 | default "33333333" if CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7723 || \ |
9d4436a6 | 519 | CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \ |
a8f67f4b | 520 | CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \ |
a4b1fddc PM |
521 | CPU_SUBTYPE_SH7263 || CPU_SUBTYPE_MXG || \ |
522 | CPU_SUBTYPE_SH7786 | |
0207a2ef | 523 | default "41666666" if CPU_SUBTYPE_SH7724 |
05627486 | 524 | default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R |
cad82448 | 525 | default "66000000" if CPU_SUBTYPE_SH4_202 |
05627486 | 526 | default "50000000" |
1da177e4 | 527 | help |
cad82448 PM |
528 | This option is used to specify the peripheral clock frequency. |
529 | This is necessary for determining the reference clock value on | |
530 | platforms lacking an RTC. | |
1da177e4 | 531 | |
9d4436a6 YS |
532 | config SH_CLK_MD |
533 | int "CPU Mode Pin Setting" | |
6d01f510 | 534 | depends on CPU_SH2 |
357d5946 PM |
535 | default 6 if CPU_SUBTYPE_SH7206 |
536 | default 5 if CPU_SUBTYPE_SH7619 | |
537 | default 0 | |
9d4436a6 | 538 | help |
11cbb70e | 539 | MD2 - MD0 pin setting. |
9d4436a6 | 540 | |
57be2b48 PM |
541 | source "kernel/time/Kconfig" |
542 | ||
32351a28 PM |
543 | endmenu |
544 | ||
cad82448 PM |
545 | menu "CPU Frequency scaling" |
546 | ||
547 | source "drivers/cpufreq/Kconfig" | |
1da177e4 | 548 | |
cad82448 PM |
549 | config SH_CPU_FREQ |
550 | tristate "SuperH CPU Frequency driver" | |
cb5ec75b | 551 | depends on CPU_FREQ |
cad82448 | 552 | select CPU_FREQ_TABLE |
1da177e4 | 553 | help |
8a655053 PM |
554 | This adds the cpufreq driver for SuperH. Any CPU that supports |
555 | clock rate rounding through the clock framework can use this | |
556 | driver. While it will make the kernel slightly larger, this is | |
557 | harmless for CPUs that don't support rate rounding. The driver | |
558 | will also generate a notice in the boot log before disabling | |
559 | itself if the CPU in question is not capable of rate rounding. | |
1da177e4 | 560 | |
cad82448 | 561 | For details, take a look at <file:Documentation/cpu-freq>. |
1da177e4 LT |
562 | |
563 | If unsure, say N. | |
564 | ||
cad82448 PM |
565 | endmenu |
566 | ||
9f5e8eee PM |
567 | source "arch/sh/drivers/Kconfig" |
568 | ||
cad82448 | 569 | endmenu |
1da177e4 | 570 | |
cad82448 PM |
571 | menu "Kernel features" |
572 | ||
91b91d01 PM |
573 | source kernel/Kconfig.hz |
574 | ||
cad82448 PM |
575 | config KEXEC |
576 | bool "kexec system call (EXPERIMENTAL)" | |
f36b59d1 | 577 | depends on SUPERH32 && EXPERIMENTAL && MMU |
1da177e4 | 578 | help |
cad82448 PM |
579 | kexec is a system call that implements the ability to shutdown your |
580 | current kernel, and to start another kernel. It is like a reboot | |
1f1332f7 | 581 | but it is independent of the system firmware. And like a reboot |
cad82448 PM |
582 | you can start any kernel with it, not just Linux. |
583 | ||
1f1332f7 | 584 | The name comes from the similarity to the exec system call. |
cad82448 PM |
585 | |
586 | It is an ongoing process to be certain the hardware in a machine | |
587 | is properly shutdown, so do not be surprised if this code does not | |
588 | initially work for you. It may help to enable device hotplugging | |
589 | support. As of this writing the exact hardware interface is | |
590 | strongly in flux, so no good recommendation can be made. | |
591 | ||
4d5ade5b PM |
592 | config CRASH_DUMP |
593 | bool "kernel crash dumps (EXPERIMENTAL)" | |
640f7487 | 594 | depends on SUPERH32 && EXPERIMENTAL |
4d5ade5b PM |
595 | help |
596 | Generate crash dump after being started by kexec. | |
597 | This should be normally only set in special crash dump kernels | |
598 | which are loaded in the main kernel with kexec-tools into | |
599 | a specially reserved region and then later executed after | |
600 | a crash by kdump/kexec. The crash dump kernel must be compiled | |
601 | to a memory address not used by the main kernel using | |
602 | MEMORY_START. | |
603 | ||
604 | For more details see Documentation/kdump/kdump.txt | |
605 | ||
b7cf6ddc MD |
606 | config KEXEC_JUMP |
607 | bool "kexec jump (EXPERIMENTAL)" | |
608 | depends on SUPERH32 && KEXEC && HIBERNATION && EXPERIMENTAL | |
609 | help | |
610 | Jump between original kernel and kexeced kernel and invoke | |
611 | code via KEXEC | |
612 | ||
c4637d47 PM |
613 | config SECCOMP |
614 | bool "Enable seccomp to safely compute untrusted bytecode" | |
615 | depends on PROC_FS | |
c4637d47 PM |
616 | help |
617 | This kernel feature is useful for number crunching applications | |
618 | that may need to compute untrusted bytecode during their | |
619 | execution. By using pipes or other transports made available to | |
620 | the process as file descriptors supporting the read/write | |
621 | syscalls, it's possible to isolate those applications in | |
622 | their own address space using seccomp. Once seccomp is | |
623 | enabled via prctl, it cannot be disabled and the task is only | |
624 | allowed to execute a few safe syscalls defined by each seccomp | |
625 | mode. | |
626 | ||
627 | If unsure, say N. | |
628 | ||
1da177e4 LT |
629 | config SMP |
630 | bool "Symmetric multi-processing support" | |
357d5946 | 631 | depends on SYS_SUPPORTS_SMP |
490f5de5 | 632 | select USE_GENERIC_SMP_HELPERS |
1da177e4 LT |
633 | ---help--- |
634 | This enables support for systems with more than one CPU. If you have | |
635 | a system with only one CPU, like most personal computers, say N. If | |
636 | you have a system with more than one CPU, say Y. | |
637 | ||
638 | If you say N here, the kernel will run on single and multiprocessor | |
639 | machines, but will use only one CPU of a multiprocessor machine. If | |
640 | you say Y here, the kernel will run on many, but not all, | |
641 | singleprocessor machines. On a singleprocessor machine, the kernel | |
642 | will run faster if you say N here. | |
643 | ||
644 | People using multiprocessor machines who say Y here should also say | |
645 | Y to "Enhanced Real Time Clock Support", below. | |
646 | ||
03502faa AB |
647 | See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO |
648 | available at <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
649 | |
650 | If you don't know what to do here, say N. | |
651 | ||
652 | config NR_CPUS | |
653 | int "Maximum number of CPUs (2-32)" | |
654 | range 2 32 | |
655 | depends on SMP | |
2b1bd1ac | 656 | default "4" if CPU_SHX3 |
1da177e4 LT |
657 | default "2" |
658 | help | |
659 | This allows you to specify the maximum number of CPUs which this | |
660 | kernel will support. The maximum supported value is 32 and the | |
661 | minimum value which makes sense is 2. | |
662 | ||
663 | This is purely to save memory - each supported CPU adds | |
664 | approximately eight kilobytes to the kernel image. | |
665 | ||
91b91d01 PM |
666 | source "kernel/Kconfig.preempt" |
667 | ||
83662461 PM |
668 | config GUSA |
669 | def_bool y | |
1efe4ce3 | 670 | depends on !SMP && SUPERH32 |
83662461 PM |
671 | help |
672 | This enables support for gUSA (general UserSpace Atomicity). | |
673 | This is the default implementation for both UP and non-ll/sc | |
674 | CPUs, and is used by the libc, amongst others. | |
675 | ||
676 | For additional information, design information can be found | |
677 | in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>. | |
678 | ||
679 | This should only be disabled for special cases where alternate | |
680 | atomicity implementations exist. | |
681 | ||
1efe4ce3 SM |
682 | config GUSA_RB |
683 | bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)" | |
684 | depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A) | |
685 | help | |
686 | Enabling this option will allow the kernel to implement some | |
692105b8 | 687 | atomic operations using a software implementation of load-locked/ |
1efe4ce3 SM |
688 | store-conditional (LLSC). On machines which do not have hardware |
689 | LLSC, this should be more efficient than the other alternative of | |
692105b8 | 690 | disabling interrupts around the atomic sequence. |
1efe4ce3 | 691 | |
cad82448 | 692 | endmenu |
1da177e4 | 693 | |
cad82448 | 694 | menu "Boot options" |
1da177e4 | 695 | |
cad82448 PM |
696 | config ZERO_PAGE_OFFSET |
697 | hex "Zero page offset" | |
f5f826c6 | 698 | default "0x00004000" if SH_SH03 |
7a847f81 PM |
699 | default "0x00010000" if PAGE_SIZE_64KB |
700 | default "0x00002000" if PAGE_SIZE_8KB | |
cad82448 | 701 | default "0x00001000" |
1da177e4 | 702 | help |
cad82448 | 703 | This sets the default offset of zero page. |
1da177e4 | 704 | |
cad82448 PM |
705 | config BOOT_LINK_OFFSET |
706 | hex "Link address offset for booting" | |
707 | default "0x00800000" | |
708 | help | |
709 | This option allows you to set the link address offset of the zImage. | |
710 | This can be useful if you are on a board which has a small amount of | |
711 | memory. | |
1da177e4 | 712 | |
cad82448 PM |
713 | config UBC_WAKEUP |
714 | bool "Wakeup UBC on startup" | |
0e3a9aab | 715 | depends on CPU_SH4 && !CPU_SH4A |
cad82448 PM |
716 | help |
717 | Selecting this option will wakeup the User Break Controller (UBC) on | |
718 | startup. Although the UBC is left in an awake state when the processor | |
719 | comes up, some boot loaders misbehave by putting the UBC to sleep in a | |
720 | power saving state, which causes issues with things like ptrace(). | |
1da177e4 | 721 | |
cad82448 | 722 | If unsure, say N. |
1da177e4 | 723 | |
cad82448 PM |
724 | config CMDLINE_BOOL |
725 | bool "Default bootloader kernel arguments" | |
1da177e4 | 726 | |
cad82448 PM |
727 | config CMDLINE |
728 | string "Initial kernel command string" | |
729 | depends on CMDLINE_BOOL | |
730 | default "console=ttySC1,115200" | |
1da177e4 LT |
731 | |
732 | endmenu | |
733 | ||
cad82448 | 734 | menu "Bus options" |
1da177e4 | 735 | |
cad82448 PM |
736 | config SUPERHYWAY |
737 | tristate "SuperHyway Bus support" | |
738 | depends on CPU_SUBTYPE_SH4_202 | |
1da177e4 | 739 | |
17be2d2b | 740 | config MAPLE |
e16038ab PM |
741 | bool "Maple Bus support" |
742 | depends on SH_DREAMCAST | |
743 | help | |
744 | The Maple Bus is SEGA's serial communication bus for peripherals | |
745 | on the Dreamcast. Without this bus support you won't be able to | |
746 | get your Dreamcast keyboard etc to work, so most users | |
747 | probably want to say 'Y' here, unless you are only using the | |
748 | Dreamcast with a serial line terminal or a remote network | |
749 | connection. | |
17be2d2b | 750 | |
1da177e4 LT |
751 | source "arch/sh/drivers/pci/Kconfig" |
752 | ||
e16038ab PM |
753 | source "drivers/pci/pcie/Kconfig" |
754 | ||
1da177e4 LT |
755 | source "drivers/pci/Kconfig" |
756 | ||
757 | source "drivers/pcmcia/Kconfig" | |
758 | ||
759 | source "drivers/pci/hotplug/Kconfig" | |
760 | ||
761 | endmenu | |
762 | ||
763 | menu "Executable file formats" | |
764 | ||
765 | source "fs/Kconfig.binfmt" | |
766 | ||
767 | endmenu | |
768 | ||
3aa770e7 | 769 | menu "Power management options (EXPERIMENTAL)" |
af998a9a | 770 | depends on EXPERIMENTAL |
f4cb5700 | 771 | |
c6f17cb2 MD |
772 | source "kernel/power/Kconfig" |
773 | ||
774 | source "drivers/cpuidle/Kconfig" | |
3aa770e7 | 775 | |
3aa770e7 AS |
776 | endmenu |
777 | ||
d5950b43 SR |
778 | source "net/Kconfig" |
779 | ||
1da177e4 LT |
780 | source "drivers/Kconfig" |
781 | ||
782 | source "fs/Kconfig" | |
783 | ||
1da177e4 LT |
784 | source "arch/sh/Kconfig.debug" |
785 | ||
786 | source "security/Kconfig" | |
787 | ||
788 | source "crypto/Kconfig" | |
789 | ||
790 | source "lib/Kconfig" |