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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 | |
b5f42db0 | 177 | select CPU_HAS_FPU if !CPU_SH4AL_DSP |
4fa48e17 | 178 | select SYS_SUPPORTS_TMU |
b5f42db0 PM |
179 | |
180 | config CPU_SH4A | |
181 | bool | |
182 | select CPU_SH4 | |
183 | ||
184 | config CPU_SH4AL_DSP | |
185 | bool | |
186 | select CPU_SH4A | |
187 | select CPU_HAS_DSP | |
188 | ||
ea0e1a9a PM |
189 | config CPU_SH5 |
190 | bool | |
191 | select CPU_HAS_FPU | |
add47067 | 192 | select SYS_SUPPORTS_TMU |
ea0e1a9a | 193 | |
b5f42db0 PM |
194 | config CPU_SHX2 |
195 | bool | |
196 | ||
197 | config CPU_SHX3 | |
198 | bool | |
199 | ||
dc65a977 PM |
200 | config ARCH_SHMOBILE |
201 | bool | |
77594912 | 202 | select ARCH_SUSPEND_POSSIBLE |
dc65a977 | 203 | |
3cc000b5 PM |
204 | if SUPERH32 |
205 | ||
b5f42db0 PM |
206 | choice |
207 | prompt "Processor sub-type selection" | |
208 | ||
209 | # | |
210 | # Processor subtypes | |
211 | # | |
212 | ||
213 | # SH-2 Processor Support | |
214 | ||
215 | config CPU_SUBTYPE_SH7619 | |
216 | bool "Support SH7619 processor" | |
217 | select CPU_SH2 | |
f5ad881b | 218 | select SYS_SUPPORTS_CMT |
b5f42db0 PM |
219 | |
220 | # SH-2A Processor Support | |
221 | ||
2825999e PG |
222 | config CPU_SUBTYPE_SH7201 |
223 | bool "Support SH7201 processor" | |
224 | select CPU_SH2A | |
225 | select CPU_HAS_FPU | |
da107c6e | 226 | select SYS_SUPPORTS_MTU2 |
2825999e | 227 | |
6d01f510 PM |
228 | config CPU_SUBTYPE_SH7203 |
229 | bool "Support SH7203 processor" | |
230 | select CPU_SH2A | |
74d99a5e | 231 | select CPU_HAS_FPU |
f5ad881b | 232 | select SYS_SUPPORTS_CMT |
da107c6e | 233 | select SYS_SUPPORTS_MTU2 |
6d01f510 | 234 | |
b5f42db0 PM |
235 | config CPU_SUBTYPE_SH7206 |
236 | bool "Support SH7206 processor" | |
237 | select CPU_SH2A | |
f5ad881b | 238 | select SYS_SUPPORTS_CMT |
da107c6e | 239 | select SYS_SUPPORTS_MTU2 |
b5f42db0 | 240 | |
a8f67f4b PM |
241 | config CPU_SUBTYPE_SH7263 |
242 | bool "Support SH7263 processor" | |
243 | select CPU_SH2A | |
74d99a5e | 244 | select CPU_HAS_FPU |
f5ad881b | 245 | select SYS_SUPPORTS_CMT |
da107c6e | 246 | select SYS_SUPPORTS_MTU2 |
a8f67f4b | 247 | |
2ad69908 PM |
248 | config CPU_SUBTYPE_MXG |
249 | bool "Support MX-G processor" | |
250 | select CPU_SH2A | |
da107c6e | 251 | select SYS_SUPPORTS_MTU2 |
2ad69908 PM |
252 | help |
253 | Select MX-G if running on an R8A03022BG part. | |
254 | ||
b5f42db0 PM |
255 | # SH-3 Processor Support |
256 | ||
257 | config CPU_SUBTYPE_SH7705 | |
258 | bool "Support SH7705 processor" | |
259 | select CPU_SH3 | |
260 | ||
261 | config CPU_SUBTYPE_SH7706 | |
262 | bool "Support SH7706 processor" | |
263 | select CPU_SH3 | |
264 | help | |
265 | Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU. | |
266 | ||
267 | config CPU_SUBTYPE_SH7707 | |
268 | bool "Support SH7707 processor" | |
269 | select CPU_SH3 | |
270 | help | |
271 | Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU. | |
272 | ||
273 | config CPU_SUBTYPE_SH7708 | |
274 | bool "Support SH7708 processor" | |
275 | select CPU_SH3 | |
276 | help | |
277 | Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or | |
278 | if you have a 100 Mhz SH-3 HD6417708R CPU. | |
279 | ||
280 | config CPU_SUBTYPE_SH7709 | |
281 | bool "Support SH7709 processor" | |
282 | select CPU_SH3 | |
283 | help | |
284 | Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU. | |
285 | ||
286 | config CPU_SUBTYPE_SH7710 | |
287 | bool "Support SH7710 processor" | |
288 | select CPU_SH3 | |
289 | select CPU_HAS_DSP | |
290 | help | |
291 | Select SH7710 if you have a SH3-DSP SH7710 CPU. | |
292 | ||
293 | config CPU_SUBTYPE_SH7712 | |
294 | bool "Support SH7712 processor" | |
295 | select CPU_SH3 | |
296 | select CPU_HAS_DSP | |
297 | help | |
298 | Select SH7712 if you have a SH3-DSP SH7712 CPU. | |
299 | ||
300 | config CPU_SUBTYPE_SH7720 | |
301 | bool "Support SH7720 processor" | |
302 | select CPU_SH3 | |
303 | select CPU_HAS_DSP | |
2b23a882 | 304 | select SYS_SUPPORTS_CMT |
b5f42db0 PM |
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 | |
2b23a882 | 312 | select SYS_SUPPORTS_CMT |
31a49c4b YS |
313 | help |
314 | Select SH7721 if you have a SH3-DSP SH7721 CPU. | |
315 | ||
b5f42db0 PM |
316 | # SH-4 Processor Support |
317 | ||
318 | config CPU_SUBTYPE_SH7750 | |
319 | bool "Support SH7750 processor" | |
320 | select CPU_SH4 | |
321 | help | |
322 | Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU. | |
323 | ||
324 | config CPU_SUBTYPE_SH7091 | |
325 | bool "Support SH7091 processor" | |
326 | select CPU_SH4 | |
327 | help | |
328 | Select SH7091 if you have an SH-4 based Sega device (such as | |
329 | the Dreamcast, Naomi, and Naomi 2). | |
330 | ||
331 | config CPU_SUBTYPE_SH7750R | |
332 | bool "Support SH7750R processor" | |
333 | select CPU_SH4 | |
334 | ||
335 | config CPU_SUBTYPE_SH7750S | |
336 | bool "Support SH7750S processor" | |
337 | select CPU_SH4 | |
338 | ||
339 | config CPU_SUBTYPE_SH7751 | |
340 | bool "Support SH7751 processor" | |
341 | select CPU_SH4 | |
342 | help | |
343 | Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU, | |
344 | or if you have a HD6417751R CPU. | |
345 | ||
346 | config CPU_SUBTYPE_SH7751R | |
347 | bool "Support SH7751R processor" | |
348 | select CPU_SH4 | |
349 | ||
350 | config CPU_SUBTYPE_SH7760 | |
351 | bool "Support SH7760 processor" | |
352 | select CPU_SH4 | |
353 | ||
354 | config CPU_SUBTYPE_SH4_202 | |
355 | bool "Support SH4-202 processor" | |
356 | select CPU_SH4 | |
357 | ||
358 | # SH-4A Processor Support | |
359 | ||
178dd0cd PM |
360 | config CPU_SUBTYPE_SH7723 |
361 | bool "Support SH7723 processor" | |
362 | select CPU_SH4A | |
363 | select CPU_SHX2 | |
dc65a977 | 364 | select ARCH_SHMOBILE |
178dd0cd | 365 | select ARCH_SPARSEMEM_ENABLE |
f5ad881b | 366 | select SYS_SUPPORTS_CMT |
178dd0cd PM |
367 | help |
368 | Select SH7723 if you have an SH-MobileR2 CPU. | |
369 | ||
0207a2ef KM |
370 | config CPU_SUBTYPE_SH7724 |
371 | bool "Support SH7724 processor" | |
372 | select CPU_SH4A | |
373 | select CPU_SHX2 | |
59fe700d | 374 | select ARCH_SHMOBILE |
0207a2ef KM |
375 | select ARCH_SPARSEMEM_ENABLE |
376 | select SYS_SUPPORTS_CMT | |
377 | help | |
378 | Select SH7724 if you have an SH-MobileR2R CPU. | |
379 | ||
7d740a06 YS |
380 | config CPU_SUBTYPE_SH7763 |
381 | bool "Support SH7763 processor" | |
382 | select CPU_SH4A | |
383 | help | |
384 | Select SH7763 if you have a SH4A SH7763(R5S77631) CPU. | |
385 | ||
b5f42db0 PM |
386 | config CPU_SUBTYPE_SH7770 |
387 | bool "Support SH7770 processor" | |
388 | select CPU_SH4A | |
389 | ||
390 | config CPU_SUBTYPE_SH7780 | |
391 | bool "Support SH7780 processor" | |
392 | select CPU_SH4A | |
393 | ||
394 | config CPU_SUBTYPE_SH7785 | |
395 | bool "Support SH7785 processor" | |
396 | select CPU_SH4A | |
397 | select CPU_SHX2 | |
55ba99eb KM |
398 | select ARCH_SPARSEMEM_ENABLE |
399 | select SYS_SUPPORTS_NUMA | |
400 | ||
401 | config CPU_SUBTYPE_SH7786 | |
402 | bool "Support SH7786 processor" | |
403 | select CPU_SH4A | |
37042fbd | 404 | select CPU_SHX3 |
8263a67e | 405 | select CPU_HAS_PTEAEX |
b5f42db0 PM |
406 | select ARCH_SPARSEMEM_ENABLE |
407 | select SYS_SUPPORTS_NUMA | |
408 | ||
409 | config CPU_SUBTYPE_SHX3 | |
410 | bool "Support SH-X3 processor" | |
411 | select CPU_SH4A | |
412 | select CPU_SHX3 | |
413 | select ARCH_SPARSEMEM_ENABLE | |
414 | select SYS_SUPPORTS_NUMA | |
415 | select SYS_SUPPORTS_SMP | |
5840263e | 416 | select GENERIC_CLOCKEVENTS_BROADCAST if SMP |
b5f42db0 PM |
417 | |
418 | # SH4AL-DSP Processor Support | |
419 | ||
420 | config CPU_SUBTYPE_SH7343 | |
421 | bool "Support SH7343 processor" | |
422 | select CPU_SH4AL_DSP | |
dc65a977 | 423 | select ARCH_SHMOBILE |
f5ad881b | 424 | select SYS_SUPPORTS_CMT |
b5f42db0 PM |
425 | |
426 | config CPU_SUBTYPE_SH7722 | |
427 | bool "Support SH7722 processor" | |
428 | select CPU_SH4AL_DSP | |
429 | select CPU_SHX2 | |
dc65a977 | 430 | select ARCH_SHMOBILE |
b5f42db0 PM |
431 | select ARCH_SPARSEMEM_ENABLE |
432 | select SYS_SUPPORTS_NUMA | |
f5ad881b | 433 | select SYS_SUPPORTS_CMT |
9109a30e MD |
434 | |
435 | config CPU_SUBTYPE_SH7366 | |
436 | bool "Support SH7366 processor" | |
437 | select CPU_SH4AL_DSP | |
438 | select CPU_SHX2 | |
dc65a977 | 439 | select ARCH_SHMOBILE |
9109a30e MD |
440 | select ARCH_SPARSEMEM_ENABLE |
441 | select SYS_SUPPORTS_NUMA | |
f5ad881b | 442 | select SYS_SUPPORTS_CMT |
b5f42db0 | 443 | |
3cc000b5 PM |
444 | endchoice |
445 | ||
446 | endif | |
447 | ||
448 | if SUPERH64 | |
449 | ||
450 | choice | |
451 | prompt "Processor sub-type selection" | |
452 | ||
ea0e1a9a PM |
453 | # SH-5 Processor Support |
454 | ||
455 | config CPU_SUBTYPE_SH5_101 | |
456 | bool "Support SH5-101 processor" | |
457 | select CPU_SH5 | |
458 | ||
459 | config CPU_SUBTYPE_SH5_103 | |
460 | bool "Support SH5-103 processor" | |
8ef97dd7 | 461 | select CPU_SH5 |
ea0e1a9a | 462 | |
b5f42db0 PM |
463 | endchoice |
464 | ||
3cc000b5 PM |
465 | endif |
466 | ||
f3d22298 | 467 | source "arch/sh/mm/Kconfig" |
939a24a6 | 468 | |
4690bdc7 | 469 | source "arch/sh/Kconfig.cpu" |
f3d22298 | 470 | |
939a24a6 | 471 | source "arch/sh/boards/Kconfig" |
32351a28 | 472 | |
32351a28 PM |
473 | menu "Timer and clock configuration" |
474 | ||
9570ef20 MD |
475 | config SH_TIMER_TMU |
476 | bool "TMU timer driver" | |
f19900b2 | 477 | depends on SYS_SUPPORTS_TMU |
9570ef20 | 478 | default y |
9570ef20 MD |
479 | help |
480 | This enables the build of the TMU timer driver. | |
481 | ||
f5ad881b | 482 | config SH_TIMER_CMT |
f425752f MD |
483 | bool "CMT timer driver" |
484 | depends on SYS_SUPPORTS_CMT | |
485 | default y | |
f425752f MD |
486 | help |
487 | This enables build of the CMT timer driver. | |
f5ad881b | 488 | |
d5ed4c2e MD |
489 | config SH_TIMER_MTU2 |
490 | bool "MTU2 timer driver" | |
3280c886 | 491 | depends on SYS_SUPPORTS_MTU2 |
d5ed4c2e | 492 | default y |
d5ed4c2e MD |
493 | help |
494 | This enables build of the MTU2 timer driver. | |
495 | ||
cad82448 PM |
496 | config SH_PCLK_FREQ |
497 | int "Peripheral clock frequency (in Hz)" | |
870e8a24 | 498 | default "27000000" if CPU_SUBTYPE_SH7343 |
9d4436a6 | 499 | default "31250000" if CPU_SUBTYPE_SH7619 |
05627486 | 500 | default "32000000" if CPU_SUBTYPE_SH7722 |
178dd0cd | 501 | default "33333333" if CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7723 || \ |
9d4436a6 | 502 | CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \ |
a8f67f4b | 503 | CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \ |
a4b1fddc | 504 | CPU_SUBTYPE_SH7263 || CPU_SUBTYPE_MXG || \ |
47785414 | 505 | CPU_SUBTYPE_SH7786 || CPU_SUBTYPE_SH7724 |
05627486 | 506 | default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R |
cad82448 | 507 | default "66000000" if CPU_SUBTYPE_SH4_202 |
05627486 | 508 | default "50000000" |
1da177e4 | 509 | help |
cad82448 PM |
510 | This option is used to specify the peripheral clock frequency. |
511 | This is necessary for determining the reference clock value on | |
512 | platforms lacking an RTC. | |
1da177e4 | 513 | |
36aa1e32 PM |
514 | config SH_CLK_CPG |
515 | def_bool y | |
516 | ||
253b0887 | 517 | config SH_CLK_CPG_LEGACY |
36aa1e32 | 518 | depends on SH_CLK_CPG |
46e9371c | 519 | def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE |
253b0887 | 520 | |
9d4436a6 YS |
521 | config SH_CLK_MD |
522 | int "CPU Mode Pin Setting" | |
6d01f510 | 523 | depends on CPU_SH2 |
357d5946 PM |
524 | default 6 if CPU_SUBTYPE_SH7206 |
525 | default 5 if CPU_SUBTYPE_SH7619 | |
526 | default 0 | |
9d4436a6 | 527 | help |
11cbb70e | 528 | MD2 - MD0 pin setting. |
9d4436a6 | 529 | |
57be2b48 PM |
530 | source "kernel/time/Kconfig" |
531 | ||
32351a28 PM |
532 | endmenu |
533 | ||
cad82448 PM |
534 | menu "CPU Frequency scaling" |
535 | ||
536 | source "drivers/cpufreq/Kconfig" | |
1da177e4 | 537 | |
cad82448 PM |
538 | config SH_CPU_FREQ |
539 | tristate "SuperH CPU Frequency driver" | |
cb5ec75b | 540 | depends on CPU_FREQ |
cad82448 | 541 | select CPU_FREQ_TABLE |
1da177e4 | 542 | help |
8a655053 PM |
543 | This adds the cpufreq driver for SuperH. Any CPU that supports |
544 | clock rate rounding through the clock framework can use this | |
545 | driver. While it will make the kernel slightly larger, this is | |
546 | harmless for CPUs that don't support rate rounding. The driver | |
547 | will also generate a notice in the boot log before disabling | |
548 | itself if the CPU in question is not capable of rate rounding. | |
1da177e4 | 549 | |
cad82448 | 550 | For details, take a look at <file:Documentation/cpu-freq>. |
1da177e4 LT |
551 | |
552 | If unsure, say N. | |
553 | ||
cad82448 PM |
554 | endmenu |
555 | ||
9f5e8eee PM |
556 | source "arch/sh/drivers/Kconfig" |
557 | ||
cad82448 | 558 | endmenu |
1da177e4 | 559 | |
cad82448 PM |
560 | menu "Kernel features" |
561 | ||
91b91d01 PM |
562 | source kernel/Kconfig.hz |
563 | ||
cad82448 PM |
564 | config KEXEC |
565 | bool "kexec system call (EXPERIMENTAL)" | |
f36b59d1 | 566 | depends on SUPERH32 && EXPERIMENTAL && MMU |
1da177e4 | 567 | help |
cad82448 PM |
568 | kexec is a system call that implements the ability to shutdown your |
569 | current kernel, and to start another kernel. It is like a reboot | |
1f1332f7 | 570 | but it is independent of the system firmware. And like a reboot |
cad82448 PM |
571 | you can start any kernel with it, not just Linux. |
572 | ||
1f1332f7 | 573 | The name comes from the similarity to the exec system call. |
cad82448 PM |
574 | |
575 | It is an ongoing process to be certain the hardware in a machine | |
576 | is properly shutdown, so do not be surprised if this code does not | |
577 | initially work for you. It may help to enable device hotplugging | |
578 | support. As of this writing the exact hardware interface is | |
579 | strongly in flux, so no good recommendation can be made. | |
580 | ||
4d5ade5b PM |
581 | config CRASH_DUMP |
582 | bool "kernel crash dumps (EXPERIMENTAL)" | |
640f7487 | 583 | depends on SUPERH32 && EXPERIMENTAL |
4d5ade5b PM |
584 | help |
585 | Generate crash dump after being started by kexec. | |
586 | This should be normally only set in special crash dump kernels | |
587 | which are loaded in the main kernel with kexec-tools into | |
588 | a specially reserved region and then later executed after | |
589 | a crash by kdump/kexec. The crash dump kernel must be compiled | |
590 | to a memory address not used by the main kernel using | |
591 | MEMORY_START. | |
592 | ||
593 | For more details see Documentation/kdump/kdump.txt | |
594 | ||
b7cf6ddc MD |
595 | config KEXEC_JUMP |
596 | bool "kexec jump (EXPERIMENTAL)" | |
597 | depends on SUPERH32 && KEXEC && HIBERNATION && EXPERIMENTAL | |
598 | help | |
599 | Jump between original kernel and kexeced kernel and invoke | |
600 | code via KEXEC | |
601 | ||
c4637d47 PM |
602 | config SECCOMP |
603 | bool "Enable seccomp to safely compute untrusted bytecode" | |
604 | depends on PROC_FS | |
c4637d47 PM |
605 | help |
606 | This kernel feature is useful for number crunching applications | |
607 | that may need to compute untrusted bytecode during their | |
608 | execution. By using pipes or other transports made available to | |
609 | the process as file descriptors supporting the read/write | |
610 | syscalls, it's possible to isolate those applications in | |
611 | their own address space using seccomp. Once seccomp is | |
612 | enabled via prctl, it cannot be disabled and the task is only | |
613 | allowed to execute a few safe syscalls defined by each seccomp | |
614 | mode. | |
615 | ||
616 | If unsure, say N. | |
617 | ||
1da177e4 LT |
618 | config SMP |
619 | bool "Symmetric multi-processing support" | |
357d5946 | 620 | depends on SYS_SUPPORTS_SMP |
490f5de5 | 621 | select USE_GENERIC_SMP_HELPERS |
1da177e4 LT |
622 | ---help--- |
623 | This enables support for systems with more than one CPU. If you have | |
624 | a system with only one CPU, like most personal computers, say N. If | |
625 | you have a system with more than one CPU, say Y. | |
626 | ||
627 | If you say N here, the kernel will run on single and multiprocessor | |
628 | machines, but will use only one CPU of a multiprocessor machine. If | |
629 | you say Y here, the kernel will run on many, but not all, | |
630 | singleprocessor machines. On a singleprocessor machine, the kernel | |
631 | will run faster if you say N here. | |
632 | ||
633 | People using multiprocessor machines who say Y here should also say | |
634 | Y to "Enhanced Real Time Clock Support", below. | |
635 | ||
03502faa AB |
636 | See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO |
637 | available at <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
638 | |
639 | If you don't know what to do here, say N. | |
640 | ||
641 | config NR_CPUS | |
642 | int "Maximum number of CPUs (2-32)" | |
643 | range 2 32 | |
644 | depends on SMP | |
2b1bd1ac | 645 | default "4" if CPU_SHX3 |
1da177e4 LT |
646 | default "2" |
647 | help | |
648 | This allows you to specify the maximum number of CPUs which this | |
649 | kernel will support. The maximum supported value is 32 and the | |
650 | minimum value which makes sense is 2. | |
651 | ||
652 | This is purely to save memory - each supported CPU adds | |
653 | approximately eight kilobytes to the kernel image. | |
654 | ||
91b91d01 PM |
655 | source "kernel/Kconfig.preempt" |
656 | ||
83662461 PM |
657 | config GUSA |
658 | def_bool y | |
1efe4ce3 | 659 | depends on !SMP && SUPERH32 |
83662461 PM |
660 | help |
661 | This enables support for gUSA (general UserSpace Atomicity). | |
662 | This is the default implementation for both UP and non-ll/sc | |
663 | CPUs, and is used by the libc, amongst others. | |
664 | ||
665 | For additional information, design information can be found | |
666 | in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>. | |
667 | ||
668 | This should only be disabled for special cases where alternate | |
669 | atomicity implementations exist. | |
670 | ||
1efe4ce3 SM |
671 | config GUSA_RB |
672 | bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)" | |
673 | depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A) | |
674 | help | |
675 | Enabling this option will allow the kernel to implement some | |
692105b8 | 676 | atomic operations using a software implementation of load-locked/ |
1efe4ce3 SM |
677 | store-conditional (LLSC). On machines which do not have hardware |
678 | LLSC, this should be more efficient than the other alternative of | |
692105b8 | 679 | disabling interrupts around the atomic sequence. |
1efe4ce3 | 680 | |
54ff328b PM |
681 | config SPARSE_IRQ |
682 | bool "Support sparse irq numbering" | |
683 | depends on EXPERIMENTAL | |
684 | help | |
685 | This enables support for sparse irqs. This is useful in general | |
686 | as most CPUs have a fairly sparse array of IRQ vectors, which | |
687 | the irq_desc then maps directly on to. Systems with a high | |
688 | number of off-chip IRQs will want to treat this as | |
689 | experimental until they have been independently verified. | |
690 | ||
691 | If you don't know what to do here, say N. | |
692 | ||
cad82448 | 693 | endmenu |
1da177e4 | 694 | |
cad82448 | 695 | menu "Boot options" |
1da177e4 | 696 | |
cad82448 | 697 | config ZERO_PAGE_OFFSET |
b412a49a PM |
698 | hex |
699 | default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \ | |
700 | SH_7751_SOLUTION_ENGINE | |
701 | default "0x00004000" if PAGE_SIZE_16KB || SH_SH03 | |
7a847f81 | 702 | default "0x00002000" if PAGE_SIZE_8KB |
cad82448 | 703 | default "0x00001000" |
1da177e4 | 704 | help |
cad82448 | 705 | This sets the default offset of zero page. |
1da177e4 | 706 | |
cad82448 | 707 | config BOOT_LINK_OFFSET |
b412a49a PM |
708 | hex |
709 | default "0x00210000" if SH_SHMIN | |
a2e76c80 | 710 | default "0x00400000" if SH_CAYMAN |
b412a49a PM |
711 | default "0x00810000" if SH_7780_SOLUTION_ENGINE |
712 | default "0x009e0000" if SH_TITAN | |
713 | default "0x01800000" if SH_SDK7780 | |
714 | default "0x02000000" if SH_EDOSK7760 | |
cad82448 PM |
715 | default "0x00800000" |
716 | help | |
717 | This option allows you to set the link address offset of the zImage. | |
718 | This can be useful if you are on a board which has a small amount of | |
719 | memory. | |
1da177e4 | 720 | |
b412a49a PM |
721 | config ENTRY_OFFSET |
722 | hex | |
723 | default "0x00001000" if PAGE_SIZE_4KB | |
724 | default "0x00002000" if PAGE_SIZE_8KB | |
725 | default "0x00004000" if PAGE_SIZE_16KB | |
726 | default "0x00010000" if PAGE_SIZE_64KB | |
727 | default "0x00000000" | |
728 | ||
cad82448 PM |
729 | config UBC_WAKEUP |
730 | bool "Wakeup UBC on startup" | |
0e3a9aab | 731 | depends on CPU_SH4 && !CPU_SH4A |
cad82448 PM |
732 | help |
733 | Selecting this option will wakeup the User Break Controller (UBC) on | |
734 | startup. Although the UBC is left in an awake state when the processor | |
735 | comes up, some boot loaders misbehave by putting the UBC to sleep in a | |
736 | power saving state, which causes issues with things like ptrace(). | |
1da177e4 | 737 | |
cad82448 | 738 | If unsure, say N. |
1da177e4 | 739 | |
cad82448 PM |
740 | config CMDLINE_BOOL |
741 | bool "Default bootloader kernel arguments" | |
1da177e4 | 742 | |
cad82448 PM |
743 | config CMDLINE |
744 | string "Initial kernel command string" | |
745 | depends on CMDLINE_BOOL | |
746 | default "console=ttySC1,115200" | |
1da177e4 LT |
747 | |
748 | endmenu | |
749 | ||
cad82448 | 750 | menu "Bus options" |
1da177e4 | 751 | |
cad82448 PM |
752 | config SUPERHYWAY |
753 | tristate "SuperHyway Bus support" | |
754 | depends on CPU_SUBTYPE_SH4_202 | |
1da177e4 | 755 | |
17be2d2b | 756 | config MAPLE |
e16038ab PM |
757 | bool "Maple Bus support" |
758 | depends on SH_DREAMCAST | |
759 | help | |
760 | The Maple Bus is SEGA's serial communication bus for peripherals | |
761 | on the Dreamcast. Without this bus support you won't be able to | |
762 | get your Dreamcast keyboard etc to work, so most users | |
763 | probably want to say 'Y' here, unless you are only using the | |
764 | Dreamcast with a serial line terminal or a remote network | |
765 | connection. | |
17be2d2b | 766 | |
1da177e4 LT |
767 | source "arch/sh/drivers/pci/Kconfig" |
768 | ||
e16038ab PM |
769 | source "drivers/pci/pcie/Kconfig" |
770 | ||
1da177e4 LT |
771 | source "drivers/pci/Kconfig" |
772 | ||
773 | source "drivers/pcmcia/Kconfig" | |
774 | ||
775 | source "drivers/pci/hotplug/Kconfig" | |
776 | ||
777 | endmenu | |
778 | ||
779 | menu "Executable file formats" | |
780 | ||
781 | source "fs/Kconfig.binfmt" | |
782 | ||
783 | endmenu | |
784 | ||
3aa770e7 | 785 | menu "Power management options (EXPERIMENTAL)" |
af998a9a | 786 | depends on EXPERIMENTAL |
f4cb5700 | 787 | |
c6f17cb2 MD |
788 | source "kernel/power/Kconfig" |
789 | ||
790 | source "drivers/cpuidle/Kconfig" | |
3aa770e7 | 791 | |
3aa770e7 AS |
792 | endmenu |
793 | ||
d5950b43 SR |
794 | source "net/Kconfig" |
795 | ||
1da177e4 LT |
796 | source "drivers/Kconfig" |
797 | ||
798 | source "fs/Kconfig" | |
799 | ||
1da177e4 LT |
800 | source "arch/sh/Kconfig.debug" |
801 | ||
802 | source "security/Kconfig" | |
803 | ||
804 | source "crypto/Kconfig" | |
805 | ||
806 | source "lib/Kconfig" |