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 |
c601a51a | 13 | select HAVE_LMB |
42d4b839 | 14 | select HAVE_OPROFILE |
9de90ac2 | 15 | select HAVE_GENERIC_DMA_COHERENT |
21944781 | 16 | select HAVE_IOREMAP_PROT if MMU |
d7b01f78 | 17 | select HAVE_ARCH_TRACEHOOK |
f802d969 | 18 | select HAVE_DMA_API_DEBUG |
bb38c222 | 19 | select HAVE_PERF_COUNTERS |
df8ce259 | 20 | select HAVE_KERNEL_GZIP |
6eac1af0 | 21 | select RTC_LIB |
f01789c6 | 22 | select GENERIC_ATOMIC64 |
1da177e4 LT |
23 | help |
24 | The SuperH is a RISC processor targeted for use in embedded systems | |
25 | and consumer electronics; it was also used in the Sega Dreamcast | |
26 | gaming console. The SuperH port has a home page at | |
27 | <http://www.linux-sh.org/>. | |
28 | ||
39d28a2d | 29 | config SUPERH32 |
3cc000b5 | 30 | def_bool ARCH = "sh" |
d39f5450 CS |
31 | select HAVE_KPROBES |
32 | select HAVE_KRETPROBES | |
694f94f2 | 33 | select HAVE_FUNCTION_TRACER |
fad57feb MF |
34 | select HAVE_FTRACE_MCOUNT_RECORD |
35 | select HAVE_DYNAMIC_FTRACE | |
c1340c05 | 36 | select HAVE_FUNCTION_TRACE_MCOUNT_TEST |
c652d780 | 37 | select HAVE_FTRACE_SYSCALLS |
327933f5 | 38 | select HAVE_FUNCTION_GRAPH_TRACER |
ab6e570b | 39 | select HAVE_ARCH_KGDB |
8dafc346 | 40 | select ARCH_HIBERNATION_POSSIBLE if MMU |
ea0e1a9a PM |
41 | |
42 | config SUPERH64 | |
3cc000b5 | 43 | def_bool ARCH = "sh64" |
39d28a2d | 44 | |
f42b7e3d PM |
45 | config ARCH_DEFCONFIG |
46 | string | |
47 | default "arch/sh/configs/shx3_defconfig" if SUPERH32 | |
48 | default "arch/sh/configs/cayman_defconfig" if SUPERH64 | |
49 | ||
1da177e4 | 50 | config RWSEM_GENERIC_SPINLOCK |
d7ef4fb3 | 51 | def_bool y |
1da177e4 LT |
52 | |
53 | config RWSEM_XCHGADD_ALGORITHM | |
54 | bool | |
55 | ||
fa691511 PM |
56 | config GENERIC_BUG |
57 | def_bool y | |
a82d53ec | 58 | depends on BUG && SUPERH32 |
fa691511 | 59 | |
3767f3f1 PM |
60 | config GENERIC_CSUM |
61 | def_bool y | |
62 | depends on SUPERH64 | |
63 | ||
e2268c71 | 64 | config GENERIC_FIND_NEXT_BIT |
d7ef4fb3 | 65 | def_bool y |
e2268c71 AM |
66 | |
67 | config GENERIC_HWEIGHT | |
d7ef4fb3 | 68 | def_bool y |
e2268c71 | 69 | |
1da177e4 | 70 | config GENERIC_HARDIRQS |
d7ef4fb3 | 71 | def_bool y |
1da177e4 | 72 | |
5093c9a4 PM |
73 | config GENERIC_HARDIRQS_NO__DO_IRQ |
74 | def_bool y | |
75 | ||
1da177e4 | 76 | config GENERIC_IRQ_PROBE |
d7ef4fb3 | 77 | def_bool y |
1da177e4 | 78 | |
2eb2a436 PM |
79 | config IRQ_PER_CPU |
80 | def_bool y | |
81 | ||
2967dab1 MD |
82 | config GENERIC_GPIO |
83 | def_bool n | |
84 | ||
1da177e4 | 85 | config GENERIC_CALIBRATE_DELAY |
cf204fa7 | 86 | bool |
1da177e4 | 87 | |
cad82448 PM |
88 | config GENERIC_IOMAP |
89 | bool | |
90 | ||
45882145 | 91 | config GENERIC_TIME |
75634311 | 92 | def_bool y |
45882145 | 93 | |
57be2b48 | 94 | config GENERIC_CLOCKEVENTS |
938edae1 | 95 | def_bool y |
57be2b48 | 96 | |
8c24594d PM |
97 | config GENERIC_CLOCKEVENTS_BROADCAST |
98 | bool | |
99 | ||
6d134b9e PM |
100 | config GENERIC_CMOS_UPDATE |
101 | def_bool y | |
102 | depends on SH_SH03 || SH_DREAMCAST | |
103 | ||
bdcab87b PM |
104 | config GENERIC_LOCKBREAK |
105 | def_bool y | |
106 | depends on SMP && PREEMPT | |
107 | ||
357d5946 PM |
108 | config SYS_SUPPORTS_PM |
109 | bool | |
af998a9a MD |
110 | depends on !SMP |
111 | ||
112 | config ARCH_SUSPEND_POSSIBLE | |
113 | def_bool n | |
114 | ||
115 | config ARCH_HIBERNATION_POSSIBLE | |
116 | def_bool n | |
357d5946 | 117 | |
0a9b0db1 PM |
118 | config SYS_SUPPORTS_APM_EMULATION |
119 | bool | |
af998a9a | 120 | select ARCH_SUSPEND_POSSIBLE |
357d5946 PM |
121 | |
122 | config SYS_SUPPORTS_SMP | |
123 | bool | |
124 | ||
125 | config SYS_SUPPORTS_NUMA | |
126 | bool | |
127 | ||
128 | config SYS_SUPPORTS_PCI | |
129 | bool | |
0a9b0db1 | 130 | |
f5ad881b PM |
131 | config SYS_SUPPORTS_CMT |
132 | bool | |
133 | ||
d5ed4c2e MD |
134 | config SYS_SUPPORTS_MTU2 |
135 | bool | |
136 | ||
9570ef20 MD |
137 | config SYS_SUPPORTS_TMU |
138 | bool | |
139 | ||
afbfb52e | 140 | config STACKTRACE_SUPPORT |
d7ef4fb3 | 141 | def_bool y |
afbfb52e PM |
142 | |
143 | config LOCKDEP_SUPPORT | |
d7ef4fb3 | 144 | def_bool y |
afbfb52e | 145 | |
5a89f1ad PM |
146 | config HAVE_LATENCYTOP_SUPPORT |
147 | def_bool y | |
148 | depends on !SMP | |
149 | ||
f0d1b0b3 | 150 | config ARCH_HAS_ILOG2_U32 |
d7ef4fb3 | 151 | def_bool n |
f0d1b0b3 DH |
152 | |
153 | config ARCH_HAS_ILOG2_U64 | |
d7ef4fb3 | 154 | def_bool n |
f0d1b0b3 | 155 | |
e257ad06 PM |
156 | config ARCH_NO_VIRT_TO_BUS |
157 | def_bool y | |
158 | ||
e869a90e PM |
159 | config ARCH_HAS_DEFAULT_IDLE |
160 | def_bool y | |
161 | ||
2e046b94 PM |
162 | config ARCH_HAS_CPU_IDLE_WAIT |
163 | def_bool y | |
164 | ||
e7cc9a73 MD |
165 | config IO_TRAPPED |
166 | bool | |
167 | ||
1da177e4 LT |
168 | source "init/Kconfig" |
169 | ||
dc52ddc0 MH |
170 | source "kernel/Kconfig.freezer" |
171 | ||
1da177e4 LT |
172 | menu "System type" |
173 | ||
b5f42db0 PM |
174 | # |
175 | # Processor families | |
176 | # | |
177 | config CPU_SH2 | |
178 | bool | |
179 | ||
180 | config CPU_SH2A | |
181 | bool | |
182 | select CPU_SH2 | |
183 | ||
184 | config CPU_SH3 | |
185 | bool | |
186 | select CPU_HAS_INTEVT | |
187 | select CPU_HAS_SR_RB | |
4fa48e17 | 188 | select SYS_SUPPORTS_TMU |
b5f42db0 PM |
189 | |
190 | config CPU_SH4 | |
191 | bool | |
192 | select CPU_HAS_INTEVT | |
193 | select CPU_HAS_SR_RB | |
b5f42db0 | 194 | select CPU_HAS_FPU if !CPU_SH4AL_DSP |
4fa48e17 | 195 | select SYS_SUPPORTS_TMU |
b5f42db0 PM |
196 | |
197 | config CPU_SH4A | |
198 | bool | |
199 | select CPU_SH4 | |
200 | ||
201 | config CPU_SH4AL_DSP | |
202 | bool | |
203 | select CPU_SH4A | |
204 | select CPU_HAS_DSP | |
205 | ||
ea0e1a9a PM |
206 | config CPU_SH5 |
207 | bool | |
208 | select CPU_HAS_FPU | |
add47067 | 209 | select SYS_SUPPORTS_TMU |
ea0e1a9a | 210 | |
b5f42db0 PM |
211 | config CPU_SHX2 |
212 | bool | |
213 | ||
214 | config CPU_SHX3 | |
215 | bool | |
216 | ||
dc65a977 PM |
217 | config ARCH_SHMOBILE |
218 | bool | |
77594912 | 219 | select ARCH_SUSPEND_POSSIBLE |
dc65a977 | 220 | |
3cc000b5 PM |
221 | if SUPERH32 |
222 | ||
b5f42db0 PM |
223 | choice |
224 | prompt "Processor sub-type selection" | |
225 | ||
226 | # | |
227 | # Processor subtypes | |
228 | # | |
229 | ||
230 | # SH-2 Processor Support | |
231 | ||
232 | config CPU_SUBTYPE_SH7619 | |
233 | bool "Support SH7619 processor" | |
234 | select CPU_SH2 | |
f5ad881b | 235 | select SYS_SUPPORTS_CMT |
b5f42db0 PM |
236 | |
237 | # SH-2A Processor Support | |
238 | ||
2825999e PG |
239 | config CPU_SUBTYPE_SH7201 |
240 | bool "Support SH7201 processor" | |
241 | select CPU_SH2A | |
242 | select CPU_HAS_FPU | |
da107c6e | 243 | select SYS_SUPPORTS_MTU2 |
2825999e | 244 | |
6d01f510 PM |
245 | config CPU_SUBTYPE_SH7203 |
246 | bool "Support SH7203 processor" | |
247 | select CPU_SH2A | |
74d99a5e | 248 | select CPU_HAS_FPU |
f5ad881b | 249 | select SYS_SUPPORTS_CMT |
da107c6e | 250 | select SYS_SUPPORTS_MTU2 |
6d01f510 | 251 | |
b5f42db0 PM |
252 | config CPU_SUBTYPE_SH7206 |
253 | bool "Support SH7206 processor" | |
254 | select CPU_SH2A | |
f5ad881b | 255 | select SYS_SUPPORTS_CMT |
da107c6e | 256 | select SYS_SUPPORTS_MTU2 |
b5f42db0 | 257 | |
a8f67f4b PM |
258 | config CPU_SUBTYPE_SH7263 |
259 | bool "Support SH7263 processor" | |
260 | select CPU_SH2A | |
74d99a5e | 261 | select CPU_HAS_FPU |
f5ad881b | 262 | select SYS_SUPPORTS_CMT |
da107c6e | 263 | select SYS_SUPPORTS_MTU2 |
a8f67f4b | 264 | |
2ad69908 PM |
265 | config CPU_SUBTYPE_MXG |
266 | bool "Support MX-G processor" | |
267 | select CPU_SH2A | |
da107c6e | 268 | select SYS_SUPPORTS_MTU2 |
2ad69908 PM |
269 | help |
270 | Select MX-G if running on an R8A03022BG part. | |
271 | ||
b5f42db0 PM |
272 | # SH-3 Processor Support |
273 | ||
274 | config CPU_SUBTYPE_SH7705 | |
275 | bool "Support SH7705 processor" | |
276 | select CPU_SH3 | |
277 | ||
278 | config CPU_SUBTYPE_SH7706 | |
279 | bool "Support SH7706 processor" | |
280 | select CPU_SH3 | |
281 | help | |
282 | Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU. | |
283 | ||
284 | config CPU_SUBTYPE_SH7707 | |
285 | bool "Support SH7707 processor" | |
286 | select CPU_SH3 | |
287 | help | |
288 | Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU. | |
289 | ||
290 | config CPU_SUBTYPE_SH7708 | |
291 | bool "Support SH7708 processor" | |
292 | select CPU_SH3 | |
293 | help | |
294 | Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or | |
295 | if you have a 100 Mhz SH-3 HD6417708R CPU. | |
296 | ||
297 | config CPU_SUBTYPE_SH7709 | |
298 | bool "Support SH7709 processor" | |
299 | select CPU_SH3 | |
300 | help | |
301 | Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU. | |
302 | ||
303 | config CPU_SUBTYPE_SH7710 | |
304 | bool "Support SH7710 processor" | |
305 | select CPU_SH3 | |
306 | select CPU_HAS_DSP | |
307 | help | |
308 | Select SH7710 if you have a SH3-DSP SH7710 CPU. | |
309 | ||
310 | config CPU_SUBTYPE_SH7712 | |
311 | bool "Support SH7712 processor" | |
312 | select CPU_SH3 | |
313 | select CPU_HAS_DSP | |
314 | help | |
315 | Select SH7712 if you have a SH3-DSP SH7712 CPU. | |
316 | ||
317 | config CPU_SUBTYPE_SH7720 | |
318 | bool "Support SH7720 processor" | |
319 | select CPU_SH3 | |
320 | select CPU_HAS_DSP | |
2b23a882 | 321 | select SYS_SUPPORTS_CMT |
b5f42db0 PM |
322 | help |
323 | Select SH7720 if you have a SH3-DSP SH7720 CPU. | |
324 | ||
31a49c4b YS |
325 | config CPU_SUBTYPE_SH7721 |
326 | bool "Support SH7721 processor" | |
327 | select CPU_SH3 | |
328 | select CPU_HAS_DSP | |
2b23a882 | 329 | select SYS_SUPPORTS_CMT |
31a49c4b YS |
330 | help |
331 | Select SH7721 if you have a SH3-DSP SH7721 CPU. | |
332 | ||
b5f42db0 PM |
333 | # SH-4 Processor Support |
334 | ||
335 | config CPU_SUBTYPE_SH7750 | |
336 | bool "Support SH7750 processor" | |
337 | select CPU_SH4 | |
338 | help | |
339 | Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU. | |
340 | ||
341 | config CPU_SUBTYPE_SH7091 | |
342 | bool "Support SH7091 processor" | |
343 | select CPU_SH4 | |
344 | help | |
345 | Select SH7091 if you have an SH-4 based Sega device (such as | |
346 | the Dreamcast, Naomi, and Naomi 2). | |
347 | ||
348 | config CPU_SUBTYPE_SH7750R | |
349 | bool "Support SH7750R processor" | |
350 | select CPU_SH4 | |
351 | ||
352 | config CPU_SUBTYPE_SH7750S | |
353 | bool "Support SH7750S processor" | |
354 | select CPU_SH4 | |
355 | ||
356 | config CPU_SUBTYPE_SH7751 | |
357 | bool "Support SH7751 processor" | |
358 | select CPU_SH4 | |
359 | help | |
360 | Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU, | |
361 | or if you have a HD6417751R CPU. | |
362 | ||
363 | config CPU_SUBTYPE_SH7751R | |
364 | bool "Support SH7751R processor" | |
365 | select CPU_SH4 | |
366 | ||
367 | config CPU_SUBTYPE_SH7760 | |
368 | bool "Support SH7760 processor" | |
369 | select CPU_SH4 | |
370 | ||
371 | config CPU_SUBTYPE_SH4_202 | |
372 | bool "Support SH4-202 processor" | |
373 | select CPU_SH4 | |
374 | ||
375 | # SH-4A Processor Support | |
376 | ||
178dd0cd PM |
377 | config CPU_SUBTYPE_SH7723 |
378 | bool "Support SH7723 processor" | |
379 | select CPU_SH4A | |
380 | select CPU_SHX2 | |
dc65a977 | 381 | select ARCH_SHMOBILE |
178dd0cd | 382 | select ARCH_SPARSEMEM_ENABLE |
f5ad881b | 383 | select SYS_SUPPORTS_CMT |
178dd0cd PM |
384 | help |
385 | Select SH7723 if you have an SH-MobileR2 CPU. | |
386 | ||
0207a2ef KM |
387 | config CPU_SUBTYPE_SH7724 |
388 | bool "Support SH7724 processor" | |
389 | select CPU_SH4A | |
390 | select CPU_SHX2 | |
59fe700d | 391 | select ARCH_SHMOBILE |
0207a2ef KM |
392 | select ARCH_SPARSEMEM_ENABLE |
393 | select SYS_SUPPORTS_CMT | |
394 | help | |
395 | Select SH7724 if you have an SH-MobileR2R CPU. | |
396 | ||
7d740a06 YS |
397 | config CPU_SUBTYPE_SH7763 |
398 | bool "Support SH7763 processor" | |
399 | select CPU_SH4A | |
400 | help | |
401 | Select SH7763 if you have a SH4A SH7763(R5S77631) CPU. | |
402 | ||
b5f42db0 PM |
403 | config CPU_SUBTYPE_SH7770 |
404 | bool "Support SH7770 processor" | |
405 | select CPU_SH4A | |
406 | ||
407 | config CPU_SUBTYPE_SH7780 | |
408 | bool "Support SH7780 processor" | |
409 | select CPU_SH4A | |
410 | ||
411 | config CPU_SUBTYPE_SH7785 | |
412 | bool "Support SH7785 processor" | |
413 | select CPU_SH4A | |
414 | select CPU_SHX2 | |
55ba99eb KM |
415 | select ARCH_SPARSEMEM_ENABLE |
416 | select SYS_SUPPORTS_NUMA | |
417 | ||
418 | config CPU_SUBTYPE_SH7786 | |
419 | bool "Support SH7786 processor" | |
420 | select CPU_SH4A | |
37042fbd | 421 | select CPU_SHX3 |
8263a67e | 422 | select CPU_HAS_PTEAEX |
b5f42db0 PM |
423 | select ARCH_SPARSEMEM_ENABLE |
424 | select SYS_SUPPORTS_NUMA | |
2eb2a436 PM |
425 | select SYS_SUPPORTS_SMP |
426 | select GENERIC_CLOCKEVENTS_BROADCAST if SMP | |
b5f42db0 PM |
427 | |
428 | config CPU_SUBTYPE_SHX3 | |
429 | bool "Support SH-X3 processor" | |
430 | select CPU_SH4A | |
431 | select CPU_SHX3 | |
432 | select ARCH_SPARSEMEM_ENABLE | |
433 | select SYS_SUPPORTS_NUMA | |
434 | select SYS_SUPPORTS_SMP | |
5840263e | 435 | select GENERIC_CLOCKEVENTS_BROADCAST if SMP |
b5f42db0 PM |
436 | |
437 | # SH4AL-DSP Processor Support | |
438 | ||
439 | config CPU_SUBTYPE_SH7343 | |
440 | bool "Support SH7343 processor" | |
441 | select CPU_SH4AL_DSP | |
dc65a977 | 442 | select ARCH_SHMOBILE |
f5ad881b | 443 | select SYS_SUPPORTS_CMT |
b5f42db0 PM |
444 | |
445 | config CPU_SUBTYPE_SH7722 | |
446 | bool "Support SH7722 processor" | |
447 | select CPU_SH4AL_DSP | |
448 | select CPU_SHX2 | |
dc65a977 | 449 | select ARCH_SHMOBILE |
b5f42db0 PM |
450 | select ARCH_SPARSEMEM_ENABLE |
451 | select SYS_SUPPORTS_NUMA | |
f5ad881b | 452 | select SYS_SUPPORTS_CMT |
9109a30e MD |
453 | |
454 | config CPU_SUBTYPE_SH7366 | |
455 | bool "Support SH7366 processor" | |
456 | select CPU_SH4AL_DSP | |
457 | select CPU_SHX2 | |
dc65a977 | 458 | select ARCH_SHMOBILE |
9109a30e MD |
459 | select ARCH_SPARSEMEM_ENABLE |
460 | select SYS_SUPPORTS_NUMA | |
f5ad881b | 461 | select SYS_SUPPORTS_CMT |
b5f42db0 | 462 | |
3cc000b5 PM |
463 | endchoice |
464 | ||
465 | endif | |
466 | ||
467 | if SUPERH64 | |
468 | ||
469 | choice | |
470 | prompt "Processor sub-type selection" | |
471 | ||
ea0e1a9a PM |
472 | # SH-5 Processor Support |
473 | ||
474 | config CPU_SUBTYPE_SH5_101 | |
475 | bool "Support SH5-101 processor" | |
476 | select CPU_SH5 | |
477 | ||
478 | config CPU_SUBTYPE_SH5_103 | |
479 | bool "Support SH5-103 processor" | |
8ef97dd7 | 480 | select CPU_SH5 |
ea0e1a9a | 481 | |
b5f42db0 PM |
482 | endchoice |
483 | ||
3cc000b5 PM |
484 | endif |
485 | ||
f3d22298 | 486 | source "arch/sh/mm/Kconfig" |
939a24a6 | 487 | |
4690bdc7 | 488 | source "arch/sh/Kconfig.cpu" |
f3d22298 | 489 | |
939a24a6 | 490 | source "arch/sh/boards/Kconfig" |
32351a28 | 491 | |
32351a28 PM |
492 | menu "Timer and clock configuration" |
493 | ||
9570ef20 MD |
494 | config SH_TIMER_TMU |
495 | bool "TMU timer driver" | |
f19900b2 | 496 | depends on SYS_SUPPORTS_TMU |
9570ef20 | 497 | default y |
9570ef20 MD |
498 | help |
499 | This enables the build of the TMU timer driver. | |
500 | ||
f5ad881b | 501 | config SH_TIMER_CMT |
f425752f MD |
502 | bool "CMT timer driver" |
503 | depends on SYS_SUPPORTS_CMT | |
504 | default y | |
f425752f MD |
505 | help |
506 | This enables build of the CMT timer driver. | |
f5ad881b | 507 | |
d5ed4c2e MD |
508 | config SH_TIMER_MTU2 |
509 | bool "MTU2 timer driver" | |
3280c886 | 510 | depends on SYS_SUPPORTS_MTU2 |
d5ed4c2e | 511 | default y |
d5ed4c2e MD |
512 | help |
513 | This enables build of the MTU2 timer driver. | |
514 | ||
cad82448 PM |
515 | config SH_PCLK_FREQ |
516 | int "Peripheral clock frequency (in Hz)" | |
870e8a24 | 517 | default "27000000" if CPU_SUBTYPE_SH7343 |
9d4436a6 | 518 | default "31250000" if CPU_SUBTYPE_SH7619 |
05627486 | 519 | default "32000000" if CPU_SUBTYPE_SH7722 |
178dd0cd | 520 | default "33333333" if CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7723 || \ |
9d4436a6 | 521 | CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \ |
a8f67f4b | 522 | CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \ |
a4b1fddc | 523 | CPU_SUBTYPE_SH7263 || CPU_SUBTYPE_MXG || \ |
47785414 | 524 | CPU_SUBTYPE_SH7786 || CPU_SUBTYPE_SH7724 |
05627486 | 525 | default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R |
cad82448 | 526 | default "66000000" if CPU_SUBTYPE_SH4_202 |
05627486 | 527 | default "50000000" |
1da177e4 | 528 | help |
cad82448 PM |
529 | This option is used to specify the peripheral clock frequency. |
530 | This is necessary for determining the reference clock value on | |
531 | platforms lacking an RTC. | |
1da177e4 | 532 | |
36aa1e32 PM |
533 | config SH_CLK_CPG |
534 | def_bool y | |
535 | ||
253b0887 | 536 | config SH_CLK_CPG_LEGACY |
36aa1e32 | 537 | depends on SH_CLK_CPG |
46e9371c | 538 | def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE |
253b0887 | 539 | |
9d4436a6 YS |
540 | config SH_CLK_MD |
541 | int "CPU Mode Pin Setting" | |
6d01f510 | 542 | depends on CPU_SH2 |
357d5946 PM |
543 | default 6 if CPU_SUBTYPE_SH7206 |
544 | default 5 if CPU_SUBTYPE_SH7619 | |
545 | default 0 | |
9d4436a6 | 546 | help |
11cbb70e | 547 | MD2 - MD0 pin setting. |
9d4436a6 | 548 | |
57be2b48 PM |
549 | source "kernel/time/Kconfig" |
550 | ||
32351a28 PM |
551 | endmenu |
552 | ||
cad82448 PM |
553 | menu "CPU Frequency scaling" |
554 | ||
555 | source "drivers/cpufreq/Kconfig" | |
1da177e4 | 556 | |
cad82448 PM |
557 | config SH_CPU_FREQ |
558 | tristate "SuperH CPU Frequency driver" | |
cb5ec75b | 559 | depends on CPU_FREQ |
cad82448 | 560 | select CPU_FREQ_TABLE |
1da177e4 | 561 | help |
8a655053 PM |
562 | This adds the cpufreq driver for SuperH. Any CPU that supports |
563 | clock rate rounding through the clock framework can use this | |
564 | driver. While it will make the kernel slightly larger, this is | |
565 | harmless for CPUs that don't support rate rounding. The driver | |
566 | will also generate a notice in the boot log before disabling | |
567 | itself if the CPU in question is not capable of rate rounding. | |
1da177e4 | 568 | |
cad82448 | 569 | For details, take a look at <file:Documentation/cpu-freq>. |
1da177e4 LT |
570 | |
571 | If unsure, say N. | |
572 | ||
cad82448 PM |
573 | endmenu |
574 | ||
9f5e8eee PM |
575 | source "arch/sh/drivers/Kconfig" |
576 | ||
cad82448 | 577 | endmenu |
1da177e4 | 578 | |
cad82448 PM |
579 | menu "Kernel features" |
580 | ||
91b91d01 PM |
581 | source kernel/Kconfig.hz |
582 | ||
cad82448 PM |
583 | config KEXEC |
584 | bool "kexec system call (EXPERIMENTAL)" | |
f36b59d1 | 585 | depends on SUPERH32 && EXPERIMENTAL && MMU |
1da177e4 | 586 | help |
cad82448 PM |
587 | kexec is a system call that implements the ability to shutdown your |
588 | current kernel, and to start another kernel. It is like a reboot | |
1f1332f7 | 589 | but it is independent of the system firmware. And like a reboot |
cad82448 PM |
590 | you can start any kernel with it, not just Linux. |
591 | ||
1f1332f7 | 592 | The name comes from the similarity to the exec system call. |
cad82448 PM |
593 | |
594 | It is an ongoing process to be certain the hardware in a machine | |
595 | is properly shutdown, so do not be surprised if this code does not | |
596 | initially work for you. It may help to enable device hotplugging | |
597 | support. As of this writing the exact hardware interface is | |
598 | strongly in flux, so no good recommendation can be made. | |
599 | ||
4d5ade5b PM |
600 | config CRASH_DUMP |
601 | bool "kernel crash dumps (EXPERIMENTAL)" | |
640f7487 | 602 | depends on SUPERH32 && EXPERIMENTAL |
4d5ade5b PM |
603 | help |
604 | Generate crash dump after being started by kexec. | |
605 | This should be normally only set in special crash dump kernels | |
606 | which are loaded in the main kernel with kexec-tools into | |
607 | a specially reserved region and then later executed after | |
608 | a crash by kdump/kexec. The crash dump kernel must be compiled | |
609 | to a memory address not used by the main kernel using | |
610 | MEMORY_START. | |
611 | ||
612 | For more details see Documentation/kdump/kdump.txt | |
613 | ||
b7cf6ddc MD |
614 | config KEXEC_JUMP |
615 | bool "kexec jump (EXPERIMENTAL)" | |
616 | depends on SUPERH32 && KEXEC && HIBERNATION && EXPERIMENTAL | |
617 | help | |
618 | Jump between original kernel and kexeced kernel and invoke | |
619 | code via KEXEC | |
620 | ||
c4637d47 PM |
621 | config SECCOMP |
622 | bool "Enable seccomp to safely compute untrusted bytecode" | |
623 | depends on PROC_FS | |
c4637d47 PM |
624 | help |
625 | This kernel feature is useful for number crunching applications | |
626 | that may need to compute untrusted bytecode during their | |
627 | execution. By using pipes or other transports made available to | |
628 | the process as file descriptors supporting the read/write | |
629 | syscalls, it's possible to isolate those applications in | |
630 | their own address space using seccomp. Once seccomp is | |
631 | enabled via prctl, it cannot be disabled and the task is only | |
632 | allowed to execute a few safe syscalls defined by each seccomp | |
633 | mode. | |
634 | ||
635 | If unsure, say N. | |
636 | ||
1da177e4 LT |
637 | config SMP |
638 | bool "Symmetric multi-processing support" | |
357d5946 | 639 | depends on SYS_SUPPORTS_SMP |
490f5de5 | 640 | select USE_GENERIC_SMP_HELPERS |
1da177e4 LT |
641 | ---help--- |
642 | This enables support for systems with more than one CPU. If you have | |
643 | a system with only one CPU, like most personal computers, say N. If | |
644 | you have a system with more than one CPU, say Y. | |
645 | ||
646 | If you say N here, the kernel will run on single and multiprocessor | |
647 | machines, but will use only one CPU of a multiprocessor machine. If | |
648 | you say Y here, the kernel will run on many, but not all, | |
649 | singleprocessor machines. On a singleprocessor machine, the kernel | |
650 | will run faster if you say N here. | |
651 | ||
652 | People using multiprocessor machines who say Y here should also say | |
653 | Y to "Enhanced Real Time Clock Support", below. | |
654 | ||
03502faa AB |
655 | See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO |
656 | available at <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
657 | |
658 | If you don't know what to do here, say N. | |
659 | ||
660 | config NR_CPUS | |
661 | int "Maximum number of CPUs (2-32)" | |
662 | range 2 32 | |
663 | depends on SMP | |
2eb2a436 | 664 | default "4" if CPU_SUBTYPE_SHX3 |
1da177e4 LT |
665 | default "2" |
666 | help | |
667 | This allows you to specify the maximum number of CPUs which this | |
668 | kernel will support. The maximum supported value is 32 and the | |
669 | minimum value which makes sense is 2. | |
670 | ||
671 | This is purely to save memory - each supported CPU adds | |
672 | approximately eight kilobytes to the kernel image. | |
673 | ||
91b91d01 PM |
674 | source "kernel/Kconfig.preempt" |
675 | ||
83662461 PM |
676 | config GUSA |
677 | def_bool y | |
1efe4ce3 | 678 | depends on !SMP && SUPERH32 |
83662461 PM |
679 | help |
680 | This enables support for gUSA (general UserSpace Atomicity). | |
681 | This is the default implementation for both UP and non-ll/sc | |
682 | CPUs, and is used by the libc, amongst others. | |
683 | ||
684 | For additional information, design information can be found | |
685 | in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>. | |
686 | ||
687 | This should only be disabled for special cases where alternate | |
688 | atomicity implementations exist. | |
689 | ||
1efe4ce3 SM |
690 | config GUSA_RB |
691 | bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)" | |
692 | depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A) | |
693 | help | |
694 | Enabling this option will allow the kernel to implement some | |
692105b8 | 695 | atomic operations using a software implementation of load-locked/ |
1efe4ce3 SM |
696 | store-conditional (LLSC). On machines which do not have hardware |
697 | LLSC, this should be more efficient than the other alternative of | |
692105b8 | 698 | disabling interrupts around the atomic sequence. |
1efe4ce3 | 699 | |
54ff328b PM |
700 | config SPARSE_IRQ |
701 | bool "Support sparse irq numbering" | |
702 | depends on EXPERIMENTAL | |
703 | help | |
704 | This enables support for sparse irqs. This is useful in general | |
705 | as most CPUs have a fairly sparse array of IRQ vectors, which | |
706 | the irq_desc then maps directly on to. Systems with a high | |
707 | number of off-chip IRQs will want to treat this as | |
708 | experimental until they have been independently verified. | |
709 | ||
710 | If you don't know what to do here, say N. | |
711 | ||
cad82448 | 712 | endmenu |
1da177e4 | 713 | |
cad82448 | 714 | menu "Boot options" |
1da177e4 | 715 | |
cad82448 | 716 | config ZERO_PAGE_OFFSET |
b412a49a PM |
717 | hex |
718 | default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \ | |
719 | SH_7751_SOLUTION_ENGINE | |
720 | default "0x00004000" if PAGE_SIZE_16KB || SH_SH03 | |
7a847f81 | 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 | |
cad82448 | 726 | config BOOT_LINK_OFFSET |
b412a49a PM |
727 | hex |
728 | default "0x00210000" if SH_SHMIN | |
a2e76c80 | 729 | default "0x00400000" if SH_CAYMAN |
b412a49a PM |
730 | default "0x00810000" if SH_7780_SOLUTION_ENGINE |
731 | default "0x009e0000" if SH_TITAN | |
732 | default "0x01800000" if SH_SDK7780 | |
733 | default "0x02000000" if SH_EDOSK7760 | |
cad82448 PM |
734 | default "0x00800000" |
735 | help | |
736 | This option allows you to set the link address offset of the zImage. | |
737 | This can be useful if you are on a board which has a small amount of | |
738 | memory. | |
1da177e4 | 739 | |
b412a49a PM |
740 | config ENTRY_OFFSET |
741 | hex | |
742 | default "0x00001000" if PAGE_SIZE_4KB | |
743 | default "0x00002000" if PAGE_SIZE_8KB | |
744 | default "0x00004000" if PAGE_SIZE_16KB | |
745 | default "0x00010000" if PAGE_SIZE_64KB | |
746 | default "0x00000000" | |
747 | ||
cad82448 PM |
748 | config UBC_WAKEUP |
749 | bool "Wakeup UBC on startup" | |
0e3a9aab | 750 | depends on CPU_SH4 && !CPU_SH4A |
cad82448 PM |
751 | help |
752 | Selecting this option will wakeup the User Break Controller (UBC) on | |
753 | startup. Although the UBC is left in an awake state when the processor | |
754 | comes up, some boot loaders misbehave by putting the UBC to sleep in a | |
755 | power saving state, which causes issues with things like ptrace(). | |
1da177e4 | 756 | |
cad82448 | 757 | If unsure, say N. |
1da177e4 | 758 | |
cad82448 PM |
759 | config CMDLINE_BOOL |
760 | bool "Default bootloader kernel arguments" | |
1da177e4 | 761 | |
cad82448 PM |
762 | config CMDLINE |
763 | string "Initial kernel command string" | |
764 | depends on CMDLINE_BOOL | |
765 | default "console=ttySC1,115200" | |
1da177e4 LT |
766 | |
767 | endmenu | |
768 | ||
cad82448 | 769 | menu "Bus options" |
1da177e4 | 770 | |
cad82448 PM |
771 | config SUPERHYWAY |
772 | tristate "SuperHyway Bus support" | |
773 | depends on CPU_SUBTYPE_SH4_202 | |
1da177e4 | 774 | |
17be2d2b | 775 | config MAPLE |
e16038ab PM |
776 | bool "Maple Bus support" |
777 | depends on SH_DREAMCAST | |
778 | help | |
779 | The Maple Bus is SEGA's serial communication bus for peripherals | |
780 | on the Dreamcast. Without this bus support you won't be able to | |
781 | get your Dreamcast keyboard etc to work, so most users | |
782 | probably want to say 'Y' here, unless you are only using the | |
783 | Dreamcast with a serial line terminal or a remote network | |
784 | connection. | |
17be2d2b | 785 | |
1da177e4 LT |
786 | source "arch/sh/drivers/pci/Kconfig" |
787 | ||
e16038ab PM |
788 | source "drivers/pci/pcie/Kconfig" |
789 | ||
1da177e4 LT |
790 | source "drivers/pci/Kconfig" |
791 | ||
792 | source "drivers/pcmcia/Kconfig" | |
793 | ||
794 | source "drivers/pci/hotplug/Kconfig" | |
795 | ||
796 | endmenu | |
797 | ||
798 | menu "Executable file formats" | |
799 | ||
800 | source "fs/Kconfig.binfmt" | |
801 | ||
802 | endmenu | |
803 | ||
3aa770e7 | 804 | menu "Power management options (EXPERIMENTAL)" |
af998a9a | 805 | depends on EXPERIMENTAL |
f4cb5700 | 806 | |
c6f17cb2 MD |
807 | source "kernel/power/Kconfig" |
808 | ||
809 | source "drivers/cpuidle/Kconfig" | |
3aa770e7 | 810 | |
3aa770e7 AS |
811 | endmenu |
812 | ||
d5950b43 SR |
813 | source "net/Kconfig" |
814 | ||
1da177e4 LT |
815 | source "drivers/Kconfig" |
816 | ||
817 | source "fs/Kconfig" | |
818 | ||
1da177e4 LT |
819 | source "arch/sh/Kconfig.debug" |
820 | ||
821 | source "security/Kconfig" | |
822 | ||
823 | source "crypto/Kconfig" | |
824 | ||
825 | source "lib/Kconfig" |