Commit | Line | Data |
---|---|---|
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 |
bb38c222 | 18 | select HAVE_PERF_COUNTERS |
6eac1af0 | 19 | select RTC_LIB |
f01789c6 | 20 | select GENERIC_ATOMIC64 |
1da177e4 LT |
21 | help |
22 | The SuperH is a RISC processor targeted for use in embedded systems | |
23 | and consumer electronics; it was also used in the Sega Dreamcast | |
24 | gaming console. The SuperH port has a home page at | |
25 | <http://www.linux-sh.org/>. | |
26 | ||
39d28a2d | 27 | config SUPERH32 |
3cc000b5 | 28 | def_bool ARCH = "sh" |
d39f5450 CS |
29 | select HAVE_KPROBES |
30 | select HAVE_KRETPROBES | |
694f94f2 | 31 | select HAVE_FUNCTION_TRACER |
fad57feb MF |
32 | select HAVE_FTRACE_MCOUNT_RECORD |
33 | select HAVE_DYNAMIC_FTRACE | |
c1340c05 | 34 | select HAVE_FUNCTION_TRACE_MCOUNT_TEST |
c652d780 | 35 | select HAVE_FTRACE_SYSCALLS |
ab6e570b | 36 | select HAVE_ARCH_KGDB |
8dafc346 | 37 | select ARCH_HIBERNATION_POSSIBLE if MMU |
ea0e1a9a PM |
38 | |
39 | config SUPERH64 | |
3cc000b5 | 40 | def_bool ARCH = "sh64" |
39d28a2d | 41 | |
f42b7e3d PM |
42 | config ARCH_DEFCONFIG |
43 | string | |
44 | default "arch/sh/configs/shx3_defconfig" if SUPERH32 | |
45 | default "arch/sh/configs/cayman_defconfig" if SUPERH64 | |
46 | ||
1da177e4 | 47 | config RWSEM_GENERIC_SPINLOCK |
d7ef4fb3 | 48 | def_bool y |
1da177e4 LT |
49 | |
50 | config RWSEM_XCHGADD_ALGORITHM | |
51 | bool | |
52 | ||
fa691511 PM |
53 | config GENERIC_BUG |
54 | def_bool y | |
a82d53ec | 55 | depends on BUG && SUPERH32 |
fa691511 | 56 | |
3767f3f1 PM |
57 | config GENERIC_CSUM |
58 | def_bool y | |
59 | depends on SUPERH64 | |
60 | ||
e2268c71 | 61 | config GENERIC_FIND_NEXT_BIT |
d7ef4fb3 | 62 | def_bool y |
e2268c71 AM |
63 | |
64 | config GENERIC_HWEIGHT | |
d7ef4fb3 | 65 | def_bool y |
e2268c71 | 66 | |
1da177e4 | 67 | config GENERIC_HARDIRQS |
d7ef4fb3 | 68 | def_bool y |
1da177e4 | 69 | |
5093c9a4 PM |
70 | config GENERIC_HARDIRQS_NO__DO_IRQ |
71 | def_bool y | |
72 | ||
1da177e4 | 73 | config GENERIC_IRQ_PROBE |
d7ef4fb3 | 74 | def_bool y |
1da177e4 | 75 | |
2eb2a436 PM |
76 | config IRQ_PER_CPU |
77 | def_bool y | |
78 | ||
2967dab1 MD |
79 | config GENERIC_GPIO |
80 | def_bool n | |
81 | ||
1da177e4 | 82 | config GENERIC_CALIBRATE_DELAY |
cf204fa7 | 83 | bool |
1da177e4 | 84 | |
cad82448 PM |
85 | config GENERIC_IOMAP |
86 | bool | |
87 | ||
45882145 | 88 | config GENERIC_TIME |
75634311 | 89 | def_bool y |
45882145 | 90 | |
57be2b48 | 91 | config GENERIC_CLOCKEVENTS |
938edae1 | 92 | def_bool y |
57be2b48 | 93 | |
8c24594d PM |
94 | config GENERIC_CLOCKEVENTS_BROADCAST |
95 | bool | |
96 | ||
6d134b9e PM |
97 | config GENERIC_CMOS_UPDATE |
98 | def_bool y | |
99 | depends on SH_SH03 || SH_DREAMCAST | |
100 | ||
bdcab87b PM |
101 | config GENERIC_LOCKBREAK |
102 | def_bool y | |
103 | depends on SMP && PREEMPT | |
104 | ||
357d5946 PM |
105 | config SYS_SUPPORTS_PM |
106 | bool | |
af998a9a MD |
107 | depends on !SMP |
108 | ||
109 | config ARCH_SUSPEND_POSSIBLE | |
110 | def_bool n | |
111 | ||
112 | config ARCH_HIBERNATION_POSSIBLE | |
113 | def_bool n | |
357d5946 | 114 | |
0a9b0db1 PM |
115 | config SYS_SUPPORTS_APM_EMULATION |
116 | bool | |
af998a9a | 117 | select ARCH_SUSPEND_POSSIBLE |
357d5946 PM |
118 | |
119 | config SYS_SUPPORTS_SMP | |
120 | bool | |
121 | ||
122 | config SYS_SUPPORTS_NUMA | |
123 | bool | |
124 | ||
125 | config SYS_SUPPORTS_PCI | |
126 | bool | |
0a9b0db1 | 127 | |
f5ad881b PM |
128 | config SYS_SUPPORTS_CMT |
129 | bool | |
130 | ||
d5ed4c2e MD |
131 | config SYS_SUPPORTS_MTU2 |
132 | bool | |
133 | ||
9570ef20 MD |
134 | config SYS_SUPPORTS_TMU |
135 | bool | |
136 | ||
afbfb52e | 137 | config STACKTRACE_SUPPORT |
d7ef4fb3 | 138 | def_bool y |
afbfb52e PM |
139 | |
140 | config LOCKDEP_SUPPORT | |
d7ef4fb3 | 141 | def_bool y |
afbfb52e | 142 | |
5a89f1ad PM |
143 | config HAVE_LATENCYTOP_SUPPORT |
144 | def_bool y | |
145 | depends on !SMP | |
146 | ||
f0d1b0b3 | 147 | config ARCH_HAS_ILOG2_U32 |
d7ef4fb3 | 148 | def_bool n |
f0d1b0b3 DH |
149 | |
150 | config ARCH_HAS_ILOG2_U64 | |
d7ef4fb3 | 151 | def_bool n |
f0d1b0b3 | 152 | |
e257ad06 PM |
153 | config ARCH_NO_VIRT_TO_BUS |
154 | def_bool y | |
155 | ||
e869a90e PM |
156 | config ARCH_HAS_DEFAULT_IDLE |
157 | def_bool y | |
158 | ||
2e046b94 PM |
159 | config ARCH_HAS_CPU_IDLE_WAIT |
160 | def_bool y | |
161 | ||
e7cc9a73 MD |
162 | config IO_TRAPPED |
163 | bool | |
164 | ||
1da177e4 LT |
165 | source "init/Kconfig" |
166 | ||
dc52ddc0 MH |
167 | source "kernel/Kconfig.freezer" |
168 | ||
1da177e4 LT |
169 | menu "System type" |
170 | ||
b5f42db0 PM |
171 | # |
172 | # Processor families | |
173 | # | |
174 | config CPU_SH2 | |
175 | bool | |
176 | ||
177 | config CPU_SH2A | |
178 | bool | |
179 | select CPU_SH2 | |
180 | ||
181 | config CPU_SH3 | |
182 | bool | |
183 | select CPU_HAS_INTEVT | |
184 | select CPU_HAS_SR_RB | |
4fa48e17 | 185 | select SYS_SUPPORTS_TMU |
b5f42db0 PM |
186 | |
187 | config CPU_SH4 | |
188 | bool | |
189 | select CPU_HAS_INTEVT | |
190 | select CPU_HAS_SR_RB | |
b5f42db0 | 191 | select CPU_HAS_FPU if !CPU_SH4AL_DSP |
4fa48e17 | 192 | select SYS_SUPPORTS_TMU |
b5f42db0 PM |
193 | |
194 | config CPU_SH4A | |
195 | bool | |
196 | select CPU_SH4 | |
197 | ||
198 | config CPU_SH4AL_DSP | |
199 | bool | |
200 | select CPU_SH4A | |
201 | select CPU_HAS_DSP | |
202 | ||
ea0e1a9a PM |
203 | config CPU_SH5 |
204 | bool | |
205 | select CPU_HAS_FPU | |
add47067 | 206 | select SYS_SUPPORTS_TMU |
ea0e1a9a | 207 | |
b5f42db0 PM |
208 | config CPU_SHX2 |
209 | bool | |
210 | ||
211 | config CPU_SHX3 | |
212 | bool | |
213 | ||
dc65a977 PM |
214 | config ARCH_SHMOBILE |
215 | bool | |
77594912 | 216 | select ARCH_SUSPEND_POSSIBLE |
dc65a977 | 217 | |
3cc000b5 PM |
218 | if SUPERH32 |
219 | ||
b5f42db0 PM |
220 | choice |
221 | prompt "Processor sub-type selection" | |
222 | ||
223 | # | |
224 | # Processor subtypes | |
225 | # | |
226 | ||
227 | # SH-2 Processor Support | |
228 | ||
229 | config CPU_SUBTYPE_SH7619 | |
230 | bool "Support SH7619 processor" | |
231 | select CPU_SH2 | |
f5ad881b | 232 | select SYS_SUPPORTS_CMT |
b5f42db0 PM |
233 | |
234 | # SH-2A Processor Support | |
235 | ||
2825999e PG |
236 | config CPU_SUBTYPE_SH7201 |
237 | bool "Support SH7201 processor" | |
238 | select CPU_SH2A | |
239 | select CPU_HAS_FPU | |
da107c6e | 240 | select SYS_SUPPORTS_MTU2 |
2825999e | 241 | |
6d01f510 PM |
242 | config CPU_SUBTYPE_SH7203 |
243 | bool "Support SH7203 processor" | |
244 | select CPU_SH2A | |
74d99a5e | 245 | select CPU_HAS_FPU |
f5ad881b | 246 | select SYS_SUPPORTS_CMT |
da107c6e | 247 | select SYS_SUPPORTS_MTU2 |
6d01f510 | 248 | |
b5f42db0 PM |
249 | config CPU_SUBTYPE_SH7206 |
250 | bool "Support SH7206 processor" | |
251 | select CPU_SH2A | |
f5ad881b | 252 | select SYS_SUPPORTS_CMT |
da107c6e | 253 | select SYS_SUPPORTS_MTU2 |
b5f42db0 | 254 | |
a8f67f4b PM |
255 | config CPU_SUBTYPE_SH7263 |
256 | bool "Support SH7263 processor" | |
257 | select CPU_SH2A | |
74d99a5e | 258 | select CPU_HAS_FPU |
f5ad881b | 259 | select SYS_SUPPORTS_CMT |
da107c6e | 260 | select SYS_SUPPORTS_MTU2 |
a8f67f4b | 261 | |
2ad69908 PM |
262 | config CPU_SUBTYPE_MXG |
263 | bool "Support MX-G processor" | |
264 | select CPU_SH2A | |
da107c6e | 265 | select SYS_SUPPORTS_MTU2 |
2ad69908 PM |
266 | help |
267 | Select MX-G if running on an R8A03022BG part. | |
268 | ||
b5f42db0 PM |
269 | # SH-3 Processor Support |
270 | ||
271 | config CPU_SUBTYPE_SH7705 | |
272 | bool "Support SH7705 processor" | |
273 | select CPU_SH3 | |
274 | ||
275 | config CPU_SUBTYPE_SH7706 | |
276 | bool "Support SH7706 processor" | |
277 | select CPU_SH3 | |
278 | help | |
279 | Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU. | |
280 | ||
281 | config CPU_SUBTYPE_SH7707 | |
282 | bool "Support SH7707 processor" | |
283 | select CPU_SH3 | |
284 | help | |
285 | Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU. | |
286 | ||
287 | config CPU_SUBTYPE_SH7708 | |
288 | bool "Support SH7708 processor" | |
289 | select CPU_SH3 | |
290 | help | |
291 | Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or | |
292 | if you have a 100 Mhz SH-3 HD6417708R CPU. | |
293 | ||
294 | config CPU_SUBTYPE_SH7709 | |
295 | bool "Support SH7709 processor" | |
296 | select CPU_SH3 | |
297 | help | |
298 | Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU. | |
299 | ||
300 | config CPU_SUBTYPE_SH7710 | |
301 | bool "Support SH7710 processor" | |
302 | select CPU_SH3 | |
303 | select CPU_HAS_DSP | |
304 | help | |
305 | Select SH7710 if you have a SH3-DSP SH7710 CPU. | |
306 | ||
307 | config CPU_SUBTYPE_SH7712 | |
308 | bool "Support SH7712 processor" | |
309 | select CPU_SH3 | |
310 | select CPU_HAS_DSP | |
311 | help | |
312 | Select SH7712 if you have a SH3-DSP SH7712 CPU. | |
313 | ||
314 | config CPU_SUBTYPE_SH7720 | |
315 | bool "Support SH7720 processor" | |
316 | select CPU_SH3 | |
317 | select CPU_HAS_DSP | |
2b23a882 | 318 | select SYS_SUPPORTS_CMT |
b5f42db0 PM |
319 | help |
320 | Select SH7720 if you have a SH3-DSP SH7720 CPU. | |
321 | ||
31a49c4b YS |
322 | config CPU_SUBTYPE_SH7721 |
323 | bool "Support SH7721 processor" | |
324 | select CPU_SH3 | |
325 | select CPU_HAS_DSP | |
2b23a882 | 326 | select SYS_SUPPORTS_CMT |
31a49c4b YS |
327 | help |
328 | Select SH7721 if you have a SH3-DSP SH7721 CPU. | |
329 | ||
b5f42db0 PM |
330 | # SH-4 Processor Support |
331 | ||
332 | config CPU_SUBTYPE_SH7750 | |
333 | bool "Support SH7750 processor" | |
334 | select CPU_SH4 | |
335 | help | |
336 | Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU. | |
337 | ||
338 | config CPU_SUBTYPE_SH7091 | |
339 | bool "Support SH7091 processor" | |
340 | select CPU_SH4 | |
341 | help | |
342 | Select SH7091 if you have an SH-4 based Sega device (such as | |
343 | the Dreamcast, Naomi, and Naomi 2). | |
344 | ||
345 | config CPU_SUBTYPE_SH7750R | |
346 | bool "Support SH7750R processor" | |
347 | select CPU_SH4 | |
348 | ||
349 | config CPU_SUBTYPE_SH7750S | |
350 | bool "Support SH7750S processor" | |
351 | select CPU_SH4 | |
352 | ||
353 | config CPU_SUBTYPE_SH7751 | |
354 | bool "Support SH7751 processor" | |
355 | select CPU_SH4 | |
356 | help | |
357 | Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU, | |
358 | or if you have a HD6417751R CPU. | |
359 | ||
360 | config CPU_SUBTYPE_SH7751R | |
361 | bool "Support SH7751R processor" | |
362 | select CPU_SH4 | |
363 | ||
364 | config CPU_SUBTYPE_SH7760 | |
365 | bool "Support SH7760 processor" | |
366 | select CPU_SH4 | |
367 | ||
368 | config CPU_SUBTYPE_SH4_202 | |
369 | bool "Support SH4-202 processor" | |
370 | select CPU_SH4 | |
371 | ||
372 | # SH-4A Processor Support | |
373 | ||
178dd0cd PM |
374 | config CPU_SUBTYPE_SH7723 |
375 | bool "Support SH7723 processor" | |
376 | select CPU_SH4A | |
377 | select CPU_SHX2 | |
dc65a977 | 378 | select ARCH_SHMOBILE |
178dd0cd | 379 | select ARCH_SPARSEMEM_ENABLE |
f5ad881b | 380 | select SYS_SUPPORTS_CMT |
178dd0cd PM |
381 | help |
382 | Select SH7723 if you have an SH-MobileR2 CPU. | |
383 | ||
0207a2ef KM |
384 | config CPU_SUBTYPE_SH7724 |
385 | bool "Support SH7724 processor" | |
386 | select CPU_SH4A | |
387 | select CPU_SHX2 | |
59fe700d | 388 | select ARCH_SHMOBILE |
0207a2ef KM |
389 | select ARCH_SPARSEMEM_ENABLE |
390 | select SYS_SUPPORTS_CMT | |
391 | help | |
392 | Select SH7724 if you have an SH-MobileR2R CPU. | |
393 | ||
7d740a06 YS |
394 | config CPU_SUBTYPE_SH7763 |
395 | bool "Support SH7763 processor" | |
396 | select CPU_SH4A | |
397 | help | |
398 | Select SH7763 if you have a SH4A SH7763(R5S77631) CPU. | |
399 | ||
b5f42db0 PM |
400 | config CPU_SUBTYPE_SH7770 |
401 | bool "Support SH7770 processor" | |
402 | select CPU_SH4A | |
403 | ||
404 | config CPU_SUBTYPE_SH7780 | |
405 | bool "Support SH7780 processor" | |
406 | select CPU_SH4A | |
407 | ||
408 | config CPU_SUBTYPE_SH7785 | |
409 | bool "Support SH7785 processor" | |
410 | select CPU_SH4A | |
411 | select CPU_SHX2 | |
55ba99eb KM |
412 | select ARCH_SPARSEMEM_ENABLE |
413 | select SYS_SUPPORTS_NUMA | |
414 | ||
415 | config CPU_SUBTYPE_SH7786 | |
416 | bool "Support SH7786 processor" | |
417 | select CPU_SH4A | |
37042fbd | 418 | select CPU_SHX3 |
8263a67e | 419 | select CPU_HAS_PTEAEX |
b5f42db0 PM |
420 | select ARCH_SPARSEMEM_ENABLE |
421 | select SYS_SUPPORTS_NUMA | |
2eb2a436 PM |
422 | select SYS_SUPPORTS_SMP |
423 | select GENERIC_CLOCKEVENTS_BROADCAST if SMP | |
b5f42db0 PM |
424 | |
425 | config CPU_SUBTYPE_SHX3 | |
426 | bool "Support SH-X3 processor" | |
427 | select CPU_SH4A | |
428 | select CPU_SHX3 | |
429 | select ARCH_SPARSEMEM_ENABLE | |
430 | select SYS_SUPPORTS_NUMA | |
431 | select SYS_SUPPORTS_SMP | |
5840263e | 432 | select GENERIC_CLOCKEVENTS_BROADCAST if SMP |
b5f42db0 PM |
433 | |
434 | # SH4AL-DSP Processor Support | |
435 | ||
436 | config CPU_SUBTYPE_SH7343 | |
437 | bool "Support SH7343 processor" | |
438 | select CPU_SH4AL_DSP | |
dc65a977 | 439 | select ARCH_SHMOBILE |
f5ad881b | 440 | select SYS_SUPPORTS_CMT |
b5f42db0 PM |
441 | |
442 | config CPU_SUBTYPE_SH7722 | |
443 | bool "Support SH7722 processor" | |
444 | select CPU_SH4AL_DSP | |
445 | select CPU_SHX2 | |
dc65a977 | 446 | select ARCH_SHMOBILE |
b5f42db0 PM |
447 | select ARCH_SPARSEMEM_ENABLE |
448 | select SYS_SUPPORTS_NUMA | |
f5ad881b | 449 | select SYS_SUPPORTS_CMT |
9109a30e MD |
450 | |
451 | config CPU_SUBTYPE_SH7366 | |
452 | bool "Support SH7366 processor" | |
453 | select CPU_SH4AL_DSP | |
454 | select CPU_SHX2 | |
dc65a977 | 455 | select ARCH_SHMOBILE |
9109a30e MD |
456 | select ARCH_SPARSEMEM_ENABLE |
457 | select SYS_SUPPORTS_NUMA | |
f5ad881b | 458 | select SYS_SUPPORTS_CMT |
b5f42db0 | 459 | |
3cc000b5 PM |
460 | endchoice |
461 | ||
462 | endif | |
463 | ||
464 | if SUPERH64 | |
465 | ||
466 | choice | |
467 | prompt "Processor sub-type selection" | |
468 | ||
ea0e1a9a PM |
469 | # SH-5 Processor Support |
470 | ||
471 | config CPU_SUBTYPE_SH5_101 | |
472 | bool "Support SH5-101 processor" | |
473 | select CPU_SH5 | |
474 | ||
475 | config CPU_SUBTYPE_SH5_103 | |
476 | bool "Support SH5-103 processor" | |
8ef97dd7 | 477 | select CPU_SH5 |
ea0e1a9a | 478 | |
b5f42db0 PM |
479 | endchoice |
480 | ||
3cc000b5 PM |
481 | endif |
482 | ||
f3d22298 | 483 | source "arch/sh/mm/Kconfig" |
939a24a6 | 484 | |
4690bdc7 | 485 | source "arch/sh/Kconfig.cpu" |
f3d22298 | 486 | |
939a24a6 | 487 | source "arch/sh/boards/Kconfig" |
32351a28 | 488 | |
32351a28 PM |
489 | menu "Timer and clock configuration" |
490 | ||
9570ef20 MD |
491 | config SH_TIMER_TMU |
492 | bool "TMU timer driver" | |
f19900b2 | 493 | depends on SYS_SUPPORTS_TMU |
9570ef20 | 494 | default y |
9570ef20 MD |
495 | help |
496 | This enables the build of the TMU timer driver. | |
497 | ||
f5ad881b | 498 | config SH_TIMER_CMT |
f425752f MD |
499 | bool "CMT timer driver" |
500 | depends on SYS_SUPPORTS_CMT | |
501 | default y | |
f425752f MD |
502 | help |
503 | This enables build of the CMT timer driver. | |
f5ad881b | 504 | |
d5ed4c2e MD |
505 | config SH_TIMER_MTU2 |
506 | bool "MTU2 timer driver" | |
3280c886 | 507 | depends on SYS_SUPPORTS_MTU2 |
d5ed4c2e | 508 | default y |
d5ed4c2e MD |
509 | help |
510 | This enables build of the MTU2 timer driver. | |
511 | ||
cad82448 PM |
512 | config SH_PCLK_FREQ |
513 | int "Peripheral clock frequency (in Hz)" | |
870e8a24 | 514 | default "27000000" if CPU_SUBTYPE_SH7343 |
9d4436a6 | 515 | default "31250000" if CPU_SUBTYPE_SH7619 |
05627486 | 516 | default "32000000" if CPU_SUBTYPE_SH7722 |
178dd0cd | 517 | default "33333333" if CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7723 || \ |
9d4436a6 | 518 | CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \ |
a8f67f4b | 519 | CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \ |
a4b1fddc | 520 | CPU_SUBTYPE_SH7263 || CPU_SUBTYPE_MXG || \ |
47785414 | 521 | CPU_SUBTYPE_SH7786 || CPU_SUBTYPE_SH7724 |
05627486 | 522 | default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R |
cad82448 | 523 | default "66000000" if CPU_SUBTYPE_SH4_202 |
05627486 | 524 | default "50000000" |
1da177e4 | 525 | help |
cad82448 PM |
526 | This option is used to specify the peripheral clock frequency. |
527 | This is necessary for determining the reference clock value on | |
528 | platforms lacking an RTC. | |
1da177e4 | 529 | |
36aa1e32 PM |
530 | config SH_CLK_CPG |
531 | def_bool y | |
532 | ||
253b0887 | 533 | config SH_CLK_CPG_LEGACY |
36aa1e32 | 534 | depends on SH_CLK_CPG |
46e9371c | 535 | def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE |
253b0887 | 536 | |
9d4436a6 YS |
537 | config SH_CLK_MD |
538 | int "CPU Mode Pin Setting" | |
6d01f510 | 539 | depends on CPU_SH2 |
357d5946 PM |
540 | default 6 if CPU_SUBTYPE_SH7206 |
541 | default 5 if CPU_SUBTYPE_SH7619 | |
542 | default 0 | |
9d4436a6 | 543 | help |
11cbb70e | 544 | MD2 - MD0 pin setting. |
9d4436a6 | 545 | |
57be2b48 PM |
546 | source "kernel/time/Kconfig" |
547 | ||
32351a28 PM |
548 | endmenu |
549 | ||
cad82448 PM |
550 | menu "CPU Frequency scaling" |
551 | ||
552 | source "drivers/cpufreq/Kconfig" | |
1da177e4 | 553 | |
cad82448 PM |
554 | config SH_CPU_FREQ |
555 | tristate "SuperH CPU Frequency driver" | |
cb5ec75b | 556 | depends on CPU_FREQ |
cad82448 | 557 | select CPU_FREQ_TABLE |
1da177e4 | 558 | help |
8a655053 PM |
559 | This adds the cpufreq driver for SuperH. Any CPU that supports |
560 | clock rate rounding through the clock framework can use this | |
561 | driver. While it will make the kernel slightly larger, this is | |
562 | harmless for CPUs that don't support rate rounding. The driver | |
563 | will also generate a notice in the boot log before disabling | |
564 | itself if the CPU in question is not capable of rate rounding. | |
1da177e4 | 565 | |
cad82448 | 566 | For details, take a look at <file:Documentation/cpu-freq>. |
1da177e4 LT |
567 | |
568 | If unsure, say N. | |
569 | ||
cad82448 PM |
570 | endmenu |
571 | ||
9f5e8eee PM |
572 | source "arch/sh/drivers/Kconfig" |
573 | ||
cad82448 | 574 | endmenu |
1da177e4 | 575 | |
cad82448 PM |
576 | menu "Kernel features" |
577 | ||
91b91d01 PM |
578 | source kernel/Kconfig.hz |
579 | ||
cad82448 PM |
580 | config KEXEC |
581 | bool "kexec system call (EXPERIMENTAL)" | |
f36b59d1 | 582 | depends on SUPERH32 && EXPERIMENTAL && MMU |
1da177e4 | 583 | help |
cad82448 PM |
584 | kexec is a system call that implements the ability to shutdown your |
585 | current kernel, and to start another kernel. It is like a reboot | |
1f1332f7 | 586 | but it is independent of the system firmware. And like a reboot |
cad82448 PM |
587 | you can start any kernel with it, not just Linux. |
588 | ||
1f1332f7 | 589 | The name comes from the similarity to the exec system call. |
cad82448 PM |
590 | |
591 | It is an ongoing process to be certain the hardware in a machine | |
592 | is properly shutdown, so do not be surprised if this code does not | |
593 | initially work for you. It may help to enable device hotplugging | |
594 | support. As of this writing the exact hardware interface is | |
595 | strongly in flux, so no good recommendation can be made. | |
596 | ||
4d5ade5b PM |
597 | config CRASH_DUMP |
598 | bool "kernel crash dumps (EXPERIMENTAL)" | |
640f7487 | 599 | depends on SUPERH32 && EXPERIMENTAL |
4d5ade5b PM |
600 | help |
601 | Generate crash dump after being started by kexec. | |
602 | This should be normally only set in special crash dump kernels | |
603 | which are loaded in the main kernel with kexec-tools into | |
604 | a specially reserved region and then later executed after | |
605 | a crash by kdump/kexec. The crash dump kernel must be compiled | |
606 | to a memory address not used by the main kernel using | |
607 | MEMORY_START. | |
608 | ||
609 | For more details see Documentation/kdump/kdump.txt | |
610 | ||
b7cf6ddc MD |
611 | config KEXEC_JUMP |
612 | bool "kexec jump (EXPERIMENTAL)" | |
613 | depends on SUPERH32 && KEXEC && HIBERNATION && EXPERIMENTAL | |
614 | help | |
615 | Jump between original kernel and kexeced kernel and invoke | |
616 | code via KEXEC | |
617 | ||
c4637d47 PM |
618 | config SECCOMP |
619 | bool "Enable seccomp to safely compute untrusted bytecode" | |
620 | depends on PROC_FS | |
c4637d47 PM |
621 | help |
622 | This kernel feature is useful for number crunching applications | |
623 | that may need to compute untrusted bytecode during their | |
624 | execution. By using pipes or other transports made available to | |
625 | the process as file descriptors supporting the read/write | |
626 | syscalls, it's possible to isolate those applications in | |
627 | their own address space using seccomp. Once seccomp is | |
628 | enabled via prctl, it cannot be disabled and the task is only | |
629 | allowed to execute a few safe syscalls defined by each seccomp | |
630 | mode. | |
631 | ||
632 | If unsure, say N. | |
633 | ||
1da177e4 LT |
634 | config SMP |
635 | bool "Symmetric multi-processing support" | |
357d5946 | 636 | depends on SYS_SUPPORTS_SMP |
490f5de5 | 637 | select USE_GENERIC_SMP_HELPERS |
1da177e4 LT |
638 | ---help--- |
639 | This enables support for systems with more than one CPU. If you have | |
640 | a system with only one CPU, like most personal computers, say N. If | |
641 | you have a system with more than one CPU, say Y. | |
642 | ||
643 | If you say N here, the kernel will run on single and multiprocessor | |
644 | machines, but will use only one CPU of a multiprocessor machine. If | |
645 | you say Y here, the kernel will run on many, but not all, | |
646 | singleprocessor machines. On a singleprocessor machine, the kernel | |
647 | will run faster if you say N here. | |
648 | ||
649 | People using multiprocessor machines who say Y here should also say | |
650 | Y to "Enhanced Real Time Clock Support", below. | |
651 | ||
03502faa AB |
652 | See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO |
653 | available at <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
654 | |
655 | If you don't know what to do here, say N. | |
656 | ||
657 | config NR_CPUS | |
658 | int "Maximum number of CPUs (2-32)" | |
659 | range 2 32 | |
660 | depends on SMP | |
2eb2a436 | 661 | default "4" if CPU_SUBTYPE_SHX3 |
1da177e4 LT |
662 | default "2" |
663 | help | |
664 | This allows you to specify the maximum number of CPUs which this | |
665 | kernel will support. The maximum supported value is 32 and the | |
666 | minimum value which makes sense is 2. | |
667 | ||
668 | This is purely to save memory - each supported CPU adds | |
669 | approximately eight kilobytes to the kernel image. | |
670 | ||
91b91d01 PM |
671 | source "kernel/Kconfig.preempt" |
672 | ||
83662461 PM |
673 | config GUSA |
674 | def_bool y | |
1efe4ce3 | 675 | depends on !SMP && SUPERH32 |
83662461 PM |
676 | help |
677 | This enables support for gUSA (general UserSpace Atomicity). | |
678 | This is the default implementation for both UP and non-ll/sc | |
679 | CPUs, and is used by the libc, amongst others. | |
680 | ||
681 | For additional information, design information can be found | |
682 | in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>. | |
683 | ||
684 | This should only be disabled for special cases where alternate | |
685 | atomicity implementations exist. | |
686 | ||
1efe4ce3 SM |
687 | config GUSA_RB |
688 | bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)" | |
689 | depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A) | |
690 | help | |
691 | Enabling this option will allow the kernel to implement some | |
692105b8 | 692 | atomic operations using a software implementation of load-locked/ |
1efe4ce3 SM |
693 | store-conditional (LLSC). On machines which do not have hardware |
694 | LLSC, this should be more efficient than the other alternative of | |
692105b8 | 695 | disabling interrupts around the atomic sequence. |
1efe4ce3 | 696 | |
54ff328b PM |
697 | config SPARSE_IRQ |
698 | bool "Support sparse irq numbering" | |
699 | depends on EXPERIMENTAL | |
700 | help | |
701 | This enables support for sparse irqs. This is useful in general | |
702 | as most CPUs have a fairly sparse array of IRQ vectors, which | |
703 | the irq_desc then maps directly on to. Systems with a high | |
704 | number of off-chip IRQs will want to treat this as | |
705 | experimental until they have been independently verified. | |
706 | ||
707 | If you don't know what to do here, say N. | |
708 | ||
cad82448 | 709 | endmenu |
1da177e4 | 710 | |
cad82448 | 711 | menu "Boot options" |
1da177e4 | 712 | |
cad82448 | 713 | config ZERO_PAGE_OFFSET |
b412a49a PM |
714 | hex |
715 | default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \ | |
716 | SH_7751_SOLUTION_ENGINE | |
717 | default "0x00004000" if PAGE_SIZE_16KB || SH_SH03 | |
7a847f81 | 718 | default "0x00002000" if PAGE_SIZE_8KB |
cad82448 | 719 | default "0x00001000" |
1da177e4 | 720 | help |
cad82448 | 721 | This sets the default offset of zero page. |
1da177e4 | 722 | |
cad82448 | 723 | config BOOT_LINK_OFFSET |
b412a49a PM |
724 | hex |
725 | default "0x00210000" if SH_SHMIN | |
a2e76c80 | 726 | default "0x00400000" if SH_CAYMAN |
b412a49a PM |
727 | default "0x00810000" if SH_7780_SOLUTION_ENGINE |
728 | default "0x009e0000" if SH_TITAN | |
729 | default "0x01800000" if SH_SDK7780 | |
730 | default "0x02000000" if SH_EDOSK7760 | |
cad82448 PM |
731 | default "0x00800000" |
732 | help | |
733 | This option allows you to set the link address offset of the zImage. | |
734 | This can be useful if you are on a board which has a small amount of | |
735 | memory. | |
1da177e4 | 736 | |
b412a49a PM |
737 | config ENTRY_OFFSET |
738 | hex | |
739 | default "0x00001000" if PAGE_SIZE_4KB | |
740 | default "0x00002000" if PAGE_SIZE_8KB | |
741 | default "0x00004000" if PAGE_SIZE_16KB | |
742 | default "0x00010000" if PAGE_SIZE_64KB | |
743 | default "0x00000000" | |
744 | ||
cad82448 PM |
745 | config UBC_WAKEUP |
746 | bool "Wakeup UBC on startup" | |
0e3a9aab | 747 | depends on CPU_SH4 && !CPU_SH4A |
cad82448 PM |
748 | help |
749 | Selecting this option will wakeup the User Break Controller (UBC) on | |
750 | startup. Although the UBC is left in an awake state when the processor | |
751 | comes up, some boot loaders misbehave by putting the UBC to sleep in a | |
752 | power saving state, which causes issues with things like ptrace(). | |
1da177e4 | 753 | |
cad82448 | 754 | If unsure, say N. |
1da177e4 | 755 | |
cad82448 PM |
756 | config CMDLINE_BOOL |
757 | bool "Default bootloader kernel arguments" | |
1da177e4 | 758 | |
cad82448 PM |
759 | config CMDLINE |
760 | string "Initial kernel command string" | |
761 | depends on CMDLINE_BOOL | |
762 | default "console=ttySC1,115200" | |
1da177e4 LT |
763 | |
764 | endmenu | |
765 | ||
cad82448 | 766 | menu "Bus options" |
1da177e4 | 767 | |
cad82448 PM |
768 | config SUPERHYWAY |
769 | tristate "SuperHyway Bus support" | |
770 | depends on CPU_SUBTYPE_SH4_202 | |
1da177e4 | 771 | |
17be2d2b | 772 | config MAPLE |
e16038ab PM |
773 | bool "Maple Bus support" |
774 | depends on SH_DREAMCAST | |
775 | help | |
776 | The Maple Bus is SEGA's serial communication bus for peripherals | |
777 | on the Dreamcast. Without this bus support you won't be able to | |
778 | get your Dreamcast keyboard etc to work, so most users | |
779 | probably want to say 'Y' here, unless you are only using the | |
780 | Dreamcast with a serial line terminal or a remote network | |
781 | connection. | |
17be2d2b | 782 | |
1da177e4 LT |
783 | source "arch/sh/drivers/pci/Kconfig" |
784 | ||
e16038ab PM |
785 | source "drivers/pci/pcie/Kconfig" |
786 | ||
1da177e4 LT |
787 | source "drivers/pci/Kconfig" |
788 | ||
789 | source "drivers/pcmcia/Kconfig" | |
790 | ||
791 | source "drivers/pci/hotplug/Kconfig" | |
792 | ||
793 | endmenu | |
794 | ||
795 | menu "Executable file formats" | |
796 | ||
797 | source "fs/Kconfig.binfmt" | |
798 | ||
799 | endmenu | |
800 | ||
3aa770e7 | 801 | menu "Power management options (EXPERIMENTAL)" |
af998a9a | 802 | depends on EXPERIMENTAL |
f4cb5700 | 803 | |
c6f17cb2 MD |
804 | source "kernel/power/Kconfig" |
805 | ||
806 | source "drivers/cpuidle/Kconfig" | |
3aa770e7 | 807 | |
3aa770e7 AS |
808 | endmenu |
809 | ||
d5950b43 SR |
810 | source "net/Kconfig" |
811 | ||
1da177e4 LT |
812 | source "drivers/Kconfig" |
813 | ||
814 | source "fs/Kconfig" | |
815 | ||
1da177e4 LT |
816 | source "arch/sh/Kconfig.debug" |
817 | ||
818 | source "security/Kconfig" | |
819 | ||
820 | source "crypto/Kconfig" | |
821 | ||
822 | source "lib/Kconfig" |