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 |
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 | |
2b23a882 | 305 | select SYS_SUPPORTS_CMT |
b5f42db0 PM |
306 | help |
307 | Select SH7720 if you have a SH3-DSP SH7720 CPU. | |
308 | ||
31a49c4b YS |
309 | config CPU_SUBTYPE_SH7721 |
310 | bool "Support SH7721 processor" | |
311 | select CPU_SH3 | |
312 | select CPU_HAS_DSP | |
2b23a882 | 313 | select SYS_SUPPORTS_CMT |
31a49c4b YS |
314 | help |
315 | Select SH7721 if you have a SH3-DSP SH7721 CPU. | |
316 | ||
b5f42db0 PM |
317 | # SH-4 Processor Support |
318 | ||
319 | config CPU_SUBTYPE_SH7750 | |
320 | bool "Support SH7750 processor" | |
321 | select CPU_SH4 | |
322 | help | |
323 | Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU. | |
324 | ||
325 | config CPU_SUBTYPE_SH7091 | |
326 | bool "Support SH7091 processor" | |
327 | select CPU_SH4 | |
328 | help | |
329 | Select SH7091 if you have an SH-4 based Sega device (such as | |
330 | the Dreamcast, Naomi, and Naomi 2). | |
331 | ||
332 | config CPU_SUBTYPE_SH7750R | |
333 | bool "Support SH7750R processor" | |
334 | select CPU_SH4 | |
335 | ||
336 | config CPU_SUBTYPE_SH7750S | |
337 | bool "Support SH7750S processor" | |
338 | select CPU_SH4 | |
339 | ||
340 | config CPU_SUBTYPE_SH7751 | |
341 | bool "Support SH7751 processor" | |
342 | select CPU_SH4 | |
343 | help | |
344 | Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU, | |
345 | or if you have a HD6417751R CPU. | |
346 | ||
347 | config CPU_SUBTYPE_SH7751R | |
348 | bool "Support SH7751R processor" | |
349 | select CPU_SH4 | |
350 | ||
351 | config CPU_SUBTYPE_SH7760 | |
352 | bool "Support SH7760 processor" | |
353 | select CPU_SH4 | |
354 | ||
355 | config CPU_SUBTYPE_SH4_202 | |
356 | bool "Support SH4-202 processor" | |
357 | select CPU_SH4 | |
358 | ||
359 | # SH-4A Processor Support | |
360 | ||
178dd0cd PM |
361 | config CPU_SUBTYPE_SH7723 |
362 | bool "Support SH7723 processor" | |
363 | select CPU_SH4A | |
364 | select CPU_SHX2 | |
dc65a977 | 365 | select ARCH_SHMOBILE |
178dd0cd | 366 | select ARCH_SPARSEMEM_ENABLE |
f5ad881b | 367 | select SYS_SUPPORTS_CMT |
178dd0cd PM |
368 | help |
369 | Select SH7723 if you have an SH-MobileR2 CPU. | |
370 | ||
0207a2ef KM |
371 | config CPU_SUBTYPE_SH7724 |
372 | bool "Support SH7724 processor" | |
373 | select CPU_SH4A | |
374 | select CPU_SHX2 | |
59fe700d | 375 | select ARCH_SHMOBILE |
0207a2ef KM |
376 | select ARCH_SPARSEMEM_ENABLE |
377 | select SYS_SUPPORTS_CMT | |
378 | help | |
379 | Select SH7724 if you have an SH-MobileR2R CPU. | |
380 | ||
7d740a06 YS |
381 | config CPU_SUBTYPE_SH7763 |
382 | bool "Support SH7763 processor" | |
383 | select CPU_SH4A | |
384 | help | |
385 | Select SH7763 if you have a SH4A SH7763(R5S77631) CPU. | |
386 | ||
b5f42db0 PM |
387 | config CPU_SUBTYPE_SH7770 |
388 | bool "Support SH7770 processor" | |
389 | select CPU_SH4A | |
390 | ||
391 | config CPU_SUBTYPE_SH7780 | |
392 | bool "Support SH7780 processor" | |
393 | select CPU_SH4A | |
394 | ||
395 | config CPU_SUBTYPE_SH7785 | |
396 | bool "Support SH7785 processor" | |
397 | select CPU_SH4A | |
398 | select CPU_SHX2 | |
55ba99eb KM |
399 | select ARCH_SPARSEMEM_ENABLE |
400 | select SYS_SUPPORTS_NUMA | |
401 | ||
402 | config CPU_SUBTYPE_SH7786 | |
403 | bool "Support SH7786 processor" | |
404 | select CPU_SH4A | |
37042fbd | 405 | select CPU_SHX3 |
8263a67e | 406 | select CPU_HAS_PTEAEX |
b5f42db0 PM |
407 | select ARCH_SPARSEMEM_ENABLE |
408 | select SYS_SUPPORTS_NUMA | |
409 | ||
410 | config CPU_SUBTYPE_SHX3 | |
411 | bool "Support SH-X3 processor" | |
412 | select CPU_SH4A | |
413 | select CPU_SHX3 | |
414 | select ARCH_SPARSEMEM_ENABLE | |
415 | select SYS_SUPPORTS_NUMA | |
416 | select SYS_SUPPORTS_SMP | |
5840263e | 417 | select GENERIC_CLOCKEVENTS_BROADCAST if SMP |
b5f42db0 PM |
418 | |
419 | # SH4AL-DSP Processor Support | |
420 | ||
421 | config CPU_SUBTYPE_SH7343 | |
422 | bool "Support SH7343 processor" | |
423 | select CPU_SH4AL_DSP | |
dc65a977 | 424 | select ARCH_SHMOBILE |
f5ad881b | 425 | select SYS_SUPPORTS_CMT |
b5f42db0 PM |
426 | |
427 | config CPU_SUBTYPE_SH7722 | |
428 | bool "Support SH7722 processor" | |
429 | select CPU_SH4AL_DSP | |
430 | select CPU_SHX2 | |
dc65a977 | 431 | select ARCH_SHMOBILE |
b5f42db0 PM |
432 | select ARCH_SPARSEMEM_ENABLE |
433 | select SYS_SUPPORTS_NUMA | |
f5ad881b | 434 | select SYS_SUPPORTS_CMT |
9109a30e MD |
435 | |
436 | config CPU_SUBTYPE_SH7366 | |
437 | bool "Support SH7366 processor" | |
438 | select CPU_SH4AL_DSP | |
439 | select CPU_SHX2 | |
dc65a977 | 440 | select ARCH_SHMOBILE |
9109a30e MD |
441 | select ARCH_SPARSEMEM_ENABLE |
442 | select SYS_SUPPORTS_NUMA | |
f5ad881b | 443 | select SYS_SUPPORTS_CMT |
b5f42db0 | 444 | |
3cc000b5 PM |
445 | endchoice |
446 | ||
447 | endif | |
448 | ||
449 | if SUPERH64 | |
450 | ||
451 | choice | |
452 | prompt "Processor sub-type selection" | |
453 | ||
ea0e1a9a PM |
454 | # SH-5 Processor Support |
455 | ||
456 | config CPU_SUBTYPE_SH5_101 | |
457 | bool "Support SH5-101 processor" | |
458 | select CPU_SH5 | |
459 | ||
460 | config CPU_SUBTYPE_SH5_103 | |
461 | bool "Support SH5-103 processor" | |
8ef97dd7 | 462 | select CPU_SH5 |
ea0e1a9a | 463 | |
b5f42db0 PM |
464 | endchoice |
465 | ||
3cc000b5 PM |
466 | endif |
467 | ||
f3d22298 | 468 | source "arch/sh/mm/Kconfig" |
939a24a6 | 469 | |
4690bdc7 | 470 | source "arch/sh/Kconfig.cpu" |
f3d22298 | 471 | |
939a24a6 | 472 | source "arch/sh/boards/Kconfig" |
32351a28 | 473 | |
32351a28 PM |
474 | menu "Timer and clock configuration" |
475 | ||
9570ef20 MD |
476 | config SH_TIMER_TMU |
477 | bool "TMU timer driver" | |
f19900b2 | 478 | depends on SYS_SUPPORTS_TMU |
9570ef20 | 479 | default y |
9570ef20 MD |
480 | help |
481 | This enables the build of the TMU timer driver. | |
482 | ||
f5ad881b | 483 | config SH_TIMER_CMT |
f425752f MD |
484 | bool "CMT timer driver" |
485 | depends on SYS_SUPPORTS_CMT | |
486 | default y | |
f425752f MD |
487 | help |
488 | This enables build of the CMT timer driver. | |
f5ad881b | 489 | |
d5ed4c2e MD |
490 | config SH_TIMER_MTU2 |
491 | bool "MTU2 timer driver" | |
3280c886 | 492 | depends on SYS_SUPPORTS_MTU2 |
d5ed4c2e | 493 | default y |
d5ed4c2e MD |
494 | help |
495 | This enables build of the MTU2 timer driver. | |
496 | ||
cad82448 PM |
497 | config SH_PCLK_FREQ |
498 | int "Peripheral clock frequency (in Hz)" | |
870e8a24 | 499 | default "27000000" if CPU_SUBTYPE_SH7343 |
9d4436a6 | 500 | default "31250000" if CPU_SUBTYPE_SH7619 |
05627486 | 501 | default "32000000" if CPU_SUBTYPE_SH7722 |
178dd0cd | 502 | default "33333333" if CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7723 || \ |
9d4436a6 | 503 | CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \ |
a8f67f4b | 504 | CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \ |
a4b1fddc PM |
505 | CPU_SUBTYPE_SH7263 || CPU_SUBTYPE_MXG || \ |
506 | CPU_SUBTYPE_SH7786 | |
0207a2ef | 507 | default "41666666" if CPU_SUBTYPE_SH7724 |
05627486 | 508 | default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R |
cad82448 | 509 | default "66000000" if CPU_SUBTYPE_SH4_202 |
05627486 | 510 | default "50000000" |
1da177e4 | 511 | help |
cad82448 PM |
512 | This option is used to specify the peripheral clock frequency. |
513 | This is necessary for determining the reference clock value on | |
514 | platforms lacking an RTC. | |
1da177e4 | 515 | |
253b0887 | 516 | config SH_CLK_CPG_LEGACY |
a77b5ac0 | 517 | def_bool y if !CPU_SUBTYPE_SH7785 |
253b0887 | 518 | |
9d4436a6 YS |
519 | config SH_CLK_MD |
520 | int "CPU Mode Pin Setting" | |
6d01f510 | 521 | depends on CPU_SH2 |
357d5946 PM |
522 | default 6 if CPU_SUBTYPE_SH7206 |
523 | default 5 if CPU_SUBTYPE_SH7619 | |
524 | default 0 | |
9d4436a6 | 525 | help |
11cbb70e | 526 | MD2 - MD0 pin setting. |
9d4436a6 | 527 | |
57be2b48 PM |
528 | source "kernel/time/Kconfig" |
529 | ||
32351a28 PM |
530 | endmenu |
531 | ||
cad82448 PM |
532 | menu "CPU Frequency scaling" |
533 | ||
534 | source "drivers/cpufreq/Kconfig" | |
1da177e4 | 535 | |
cad82448 PM |
536 | config SH_CPU_FREQ |
537 | tristate "SuperH CPU Frequency driver" | |
cb5ec75b | 538 | depends on CPU_FREQ |
cad82448 | 539 | select CPU_FREQ_TABLE |
1da177e4 | 540 | help |
8a655053 PM |
541 | This adds the cpufreq driver for SuperH. Any CPU that supports |
542 | clock rate rounding through the clock framework can use this | |
543 | driver. While it will make the kernel slightly larger, this is | |
544 | harmless for CPUs that don't support rate rounding. The driver | |
545 | will also generate a notice in the boot log before disabling | |
546 | itself if the CPU in question is not capable of rate rounding. | |
1da177e4 | 547 | |
cad82448 | 548 | For details, take a look at <file:Documentation/cpu-freq>. |
1da177e4 LT |
549 | |
550 | If unsure, say N. | |
551 | ||
cad82448 PM |
552 | endmenu |
553 | ||
9f5e8eee PM |
554 | source "arch/sh/drivers/Kconfig" |
555 | ||
cad82448 | 556 | endmenu |
1da177e4 | 557 | |
cad82448 PM |
558 | menu "Kernel features" |
559 | ||
91b91d01 PM |
560 | source kernel/Kconfig.hz |
561 | ||
cad82448 PM |
562 | config KEXEC |
563 | bool "kexec system call (EXPERIMENTAL)" | |
f36b59d1 | 564 | depends on SUPERH32 && EXPERIMENTAL && MMU |
1da177e4 | 565 | help |
cad82448 PM |
566 | kexec is a system call that implements the ability to shutdown your |
567 | current kernel, and to start another kernel. It is like a reboot | |
1f1332f7 | 568 | but it is independent of the system firmware. And like a reboot |
cad82448 PM |
569 | you can start any kernel with it, not just Linux. |
570 | ||
1f1332f7 | 571 | The name comes from the similarity to the exec system call. |
cad82448 PM |
572 | |
573 | It is an ongoing process to be certain the hardware in a machine | |
574 | is properly shutdown, so do not be surprised if this code does not | |
575 | initially work for you. It may help to enable device hotplugging | |
576 | support. As of this writing the exact hardware interface is | |
577 | strongly in flux, so no good recommendation can be made. | |
578 | ||
4d5ade5b PM |
579 | config CRASH_DUMP |
580 | bool "kernel crash dumps (EXPERIMENTAL)" | |
640f7487 | 581 | depends on SUPERH32 && EXPERIMENTAL |
4d5ade5b PM |
582 | help |
583 | Generate crash dump after being started by kexec. | |
584 | This should be normally only set in special crash dump kernels | |
585 | which are loaded in the main kernel with kexec-tools into | |
586 | a specially reserved region and then later executed after | |
587 | a crash by kdump/kexec. The crash dump kernel must be compiled | |
588 | to a memory address not used by the main kernel using | |
589 | MEMORY_START. | |
590 | ||
591 | For more details see Documentation/kdump/kdump.txt | |
592 | ||
b7cf6ddc MD |
593 | config KEXEC_JUMP |
594 | bool "kexec jump (EXPERIMENTAL)" | |
595 | depends on SUPERH32 && KEXEC && HIBERNATION && EXPERIMENTAL | |
596 | help | |
597 | Jump between original kernel and kexeced kernel and invoke | |
598 | code via KEXEC | |
599 | ||
c4637d47 PM |
600 | config SECCOMP |
601 | bool "Enable seccomp to safely compute untrusted bytecode" | |
602 | depends on PROC_FS | |
c4637d47 PM |
603 | help |
604 | This kernel feature is useful for number crunching applications | |
605 | that may need to compute untrusted bytecode during their | |
606 | execution. By using pipes or other transports made available to | |
607 | the process as file descriptors supporting the read/write | |
608 | syscalls, it's possible to isolate those applications in | |
609 | their own address space using seccomp. Once seccomp is | |
610 | enabled via prctl, it cannot be disabled and the task is only | |
611 | allowed to execute a few safe syscalls defined by each seccomp | |
612 | mode. | |
613 | ||
614 | If unsure, say N. | |
615 | ||
1da177e4 LT |
616 | config SMP |
617 | bool "Symmetric multi-processing support" | |
357d5946 | 618 | depends on SYS_SUPPORTS_SMP |
490f5de5 | 619 | select USE_GENERIC_SMP_HELPERS |
1da177e4 LT |
620 | ---help--- |
621 | This enables support for systems with more than one CPU. If you have | |
622 | a system with only one CPU, like most personal computers, say N. If | |
623 | you have a system with more than one CPU, say Y. | |
624 | ||
625 | If you say N here, the kernel will run on single and multiprocessor | |
626 | machines, but will use only one CPU of a multiprocessor machine. If | |
627 | you say Y here, the kernel will run on many, but not all, | |
628 | singleprocessor machines. On a singleprocessor machine, the kernel | |
629 | will run faster if you say N here. | |
630 | ||
631 | People using multiprocessor machines who say Y here should also say | |
632 | Y to "Enhanced Real Time Clock Support", below. | |
633 | ||
03502faa AB |
634 | See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO |
635 | available at <http://www.tldp.org/docs.html#howto>. | |
1da177e4 LT |
636 | |
637 | If you don't know what to do here, say N. | |
638 | ||
639 | config NR_CPUS | |
640 | int "Maximum number of CPUs (2-32)" | |
641 | range 2 32 | |
642 | depends on SMP | |
2b1bd1ac | 643 | default "4" if CPU_SHX3 |
1da177e4 LT |
644 | default "2" |
645 | help | |
646 | This allows you to specify the maximum number of CPUs which this | |
647 | kernel will support. The maximum supported value is 32 and the | |
648 | minimum value which makes sense is 2. | |
649 | ||
650 | This is purely to save memory - each supported CPU adds | |
651 | approximately eight kilobytes to the kernel image. | |
652 | ||
91b91d01 PM |
653 | source "kernel/Kconfig.preempt" |
654 | ||
83662461 PM |
655 | config GUSA |
656 | def_bool y | |
1efe4ce3 | 657 | depends on !SMP && SUPERH32 |
83662461 PM |
658 | help |
659 | This enables support for gUSA (general UserSpace Atomicity). | |
660 | This is the default implementation for both UP and non-ll/sc | |
661 | CPUs, and is used by the libc, amongst others. | |
662 | ||
663 | For additional information, design information can be found | |
664 | in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>. | |
665 | ||
666 | This should only be disabled for special cases where alternate | |
667 | atomicity implementations exist. | |
668 | ||
1efe4ce3 SM |
669 | config GUSA_RB |
670 | bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)" | |
671 | depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A) | |
672 | help | |
673 | Enabling this option will allow the kernel to implement some | |
692105b8 | 674 | atomic operations using a software implementation of load-locked/ |
1efe4ce3 SM |
675 | store-conditional (LLSC). On machines which do not have hardware |
676 | LLSC, this should be more efficient than the other alternative of | |
692105b8 | 677 | disabling interrupts around the atomic sequence. |
1efe4ce3 | 678 | |
cad82448 | 679 | endmenu |
1da177e4 | 680 | |
cad82448 | 681 | menu "Boot options" |
1da177e4 | 682 | |
cad82448 | 683 | config ZERO_PAGE_OFFSET |
b412a49a PM |
684 | hex |
685 | default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \ | |
686 | SH_7751_SOLUTION_ENGINE | |
687 | default "0x00004000" if PAGE_SIZE_16KB || SH_SH03 | |
7a847f81 | 688 | default "0x00002000" if PAGE_SIZE_8KB |
cad82448 | 689 | default "0x00001000" |
1da177e4 | 690 | help |
cad82448 | 691 | This sets the default offset of zero page. |
1da177e4 | 692 | |
cad82448 | 693 | config BOOT_LINK_OFFSET |
b412a49a PM |
694 | hex |
695 | default "0x00210000" if SH_SHMIN | |
a2e76c80 | 696 | default "0x00400000" if SH_CAYMAN |
b412a49a PM |
697 | default "0x00810000" if SH_7780_SOLUTION_ENGINE |
698 | default "0x009e0000" if SH_TITAN | |
699 | default "0x01800000" if SH_SDK7780 | |
700 | default "0x02000000" if SH_EDOSK7760 | |
cad82448 PM |
701 | default "0x00800000" |
702 | help | |
703 | This option allows you to set the link address offset of the zImage. | |
704 | This can be useful if you are on a board which has a small amount of | |
705 | memory. | |
1da177e4 | 706 | |
b412a49a PM |
707 | config ENTRY_OFFSET |
708 | hex | |
709 | default "0x00001000" if PAGE_SIZE_4KB | |
710 | default "0x00002000" if PAGE_SIZE_8KB | |
711 | default "0x00004000" if PAGE_SIZE_16KB | |
712 | default "0x00010000" if PAGE_SIZE_64KB | |
713 | default "0x00000000" | |
714 | ||
cad82448 PM |
715 | config UBC_WAKEUP |
716 | bool "Wakeup UBC on startup" | |
0e3a9aab | 717 | depends on CPU_SH4 && !CPU_SH4A |
cad82448 PM |
718 | help |
719 | Selecting this option will wakeup the User Break Controller (UBC) on | |
720 | startup. Although the UBC is left in an awake state when the processor | |
721 | comes up, some boot loaders misbehave by putting the UBC to sleep in a | |
722 | power saving state, which causes issues with things like ptrace(). | |
1da177e4 | 723 | |
cad82448 | 724 | If unsure, say N. |
1da177e4 | 725 | |
cad82448 PM |
726 | config CMDLINE_BOOL |
727 | bool "Default bootloader kernel arguments" | |
1da177e4 | 728 | |
cad82448 PM |
729 | config CMDLINE |
730 | string "Initial kernel command string" | |
731 | depends on CMDLINE_BOOL | |
732 | default "console=ttySC1,115200" | |
1da177e4 LT |
733 | |
734 | endmenu | |
735 | ||
cad82448 | 736 | menu "Bus options" |
1da177e4 | 737 | |
cad82448 PM |
738 | config SUPERHYWAY |
739 | tristate "SuperHyway Bus support" | |
740 | depends on CPU_SUBTYPE_SH4_202 | |
1da177e4 | 741 | |
17be2d2b | 742 | config MAPLE |
e16038ab PM |
743 | bool "Maple Bus support" |
744 | depends on SH_DREAMCAST | |
745 | help | |
746 | The Maple Bus is SEGA's serial communication bus for peripherals | |
747 | on the Dreamcast. Without this bus support you won't be able to | |
748 | get your Dreamcast keyboard etc to work, so most users | |
749 | probably want to say 'Y' here, unless you are only using the | |
750 | Dreamcast with a serial line terminal or a remote network | |
751 | connection. | |
17be2d2b | 752 | |
1da177e4 LT |
753 | source "arch/sh/drivers/pci/Kconfig" |
754 | ||
e16038ab PM |
755 | source "drivers/pci/pcie/Kconfig" |
756 | ||
1da177e4 LT |
757 | source "drivers/pci/Kconfig" |
758 | ||
759 | source "drivers/pcmcia/Kconfig" | |
760 | ||
761 | source "drivers/pci/hotplug/Kconfig" | |
762 | ||
763 | endmenu | |
764 | ||
765 | menu "Executable file formats" | |
766 | ||
767 | source "fs/Kconfig.binfmt" | |
768 | ||
769 | endmenu | |
770 | ||
3aa770e7 | 771 | menu "Power management options (EXPERIMENTAL)" |
af998a9a | 772 | depends on EXPERIMENTAL |
f4cb5700 | 773 | |
c6f17cb2 MD |
774 | source "kernel/power/Kconfig" |
775 | ||
776 | source "drivers/cpuidle/Kconfig" | |
3aa770e7 | 777 | |
3aa770e7 AS |
778 | endmenu |
779 | ||
d5950b43 SR |
780 | source "net/Kconfig" |
781 | ||
1da177e4 LT |
782 | source "drivers/Kconfig" |
783 | ||
784 | source "fs/Kconfig" | |
785 | ||
1da177e4 LT |
786 | source "arch/sh/Kconfig.debug" |
787 | ||
788 | source "security/Kconfig" | |
789 | ||
790 | source "crypto/Kconfig" | |
791 | ||
792 | source "lib/Kconfig" |