s390: expose number of page table levels
[linux-block.git] / arch / sh / Kconfig
CommitLineData
1da177e4 1config SUPERH
ea0e1a9a 2 def_bool y
09d8dd93 3 select ARCH_MIGHT_HAVE_PC_PARPORT
560b8c0e 4 select HAVE_PATA_PLATFORM
6d803ba7 5 select CLKDEV_LOOKUP
ce816fa8 6 select HAVE_IDE if HAS_IOPORT_MAP
95f72d1e 7 select HAVE_MEMBLOCK
534cfbee 8 select HAVE_MEMBLOCK_NODE_MAP
adaf7fd2 9 select ARCH_DISCARD_MEMBLOCK
42d4b839 10 select HAVE_OPROFILE
9de90ac2 11 select HAVE_GENERIC_DMA_COHERENT
d7b01f78 12 select HAVE_ARCH_TRACEHOOK
f802d969 13 select HAVE_DMA_API_DEBUG
73c926be 14 select HAVE_DMA_ATTRS
cdd6c482 15 select HAVE_PERF_EVENTS
9b2a60c4 16 select HAVE_DEBUG_BUGVERBOSE
7563bbf8 17 select ARCH_HAVE_CUSTOM_GPIO_H
df013ffb 18 select ARCH_HAVE_NMI_SAFE_CMPXCHG if (GUSA_RB || CPU_SH4A)
957e3fac 19 select ARCH_HAS_GCOV_PROFILE_ALL
72f0c137 20 select PERF_USE_VMALLOC
b69ec42b 21 select HAVE_DEBUG_KMEMLEAK
df8ce259 22 select HAVE_KERNEL_GZIP
07e88e1b
PM
23 select HAVE_KERNEL_BZIP2
24 select HAVE_KERNEL_LZMA
50cfa79d 25 select HAVE_KERNEL_XZ
c7b16efb 26 select HAVE_KERNEL_LZO
af1839eb 27 select HAVE_UID16
c1d7e01d 28 select ARCH_WANT_IPC_PARSE_VERSION
a74f7e04 29 select HAVE_SYSCALL_TRACEPOINTS
eaaaeef3 30 select HAVE_REGS_AND_STACK_ACCESS_API
2ed86b16 31 select MAY_HAVE_SPARSE_IRQ
ed170924 32 select IRQ_FORCED_THREADING
6eac1af0 33 select RTC_LIB
f01789c6 34 select GENERIC_ATOMIC64
3d44ae40 35 select GENERIC_IRQ_SHOW
ea0588cb 36 select GENERIC_SMP_IDLE_THREAD
dc775dd8 37 select GENERIC_IDLE_POLL_SETUP
8cf200d8
AMG
38 select GENERIC_CLOCKEVENTS
39 select GENERIC_CMOS_UPDATE if SH_SH03 || SH_DREAMCAST
0e100e11 40 select GENERIC_STRNCPY_FROM_USER
cba8df4b 41 select GENERIC_STRNLEN_USER
786d35d4
DH
42 select HAVE_MOD_ARCH_SPECIFIC if DWARF_UNWINDER
43 select MODULES_USE_ELF_RELA
881e252d 44 select OLD_SIGSUSPEND
0679a858 45 select OLD_SIGACTION
7a017721 46 select HAVE_ARCH_AUDITSYSCALL
1da177e4
LT
47 help
48 The SuperH is a RISC processor targeted for use in embedded systems
49 and consumer electronics; it was also used in the Sega Dreamcast
50 gaming console. The SuperH port has a home page at
51 <http://www.linux-sh.org/>.
52
39d28a2d 53config SUPERH32
3cc000b5 54 def_bool ARCH = "sh"
d39f5450
CS
55 select HAVE_KPROBES
56 select HAVE_KRETPROBES
6d63e73d 57 select HAVE_IOREMAP_PROT if MMU && !X2TLB
694f94f2 58 select HAVE_FUNCTION_TRACER
fad57feb
MF
59 select HAVE_FTRACE_MCOUNT_RECORD
60 select HAVE_DYNAMIC_FTRACE
e4b053d9 61 select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE
c1d7e01d 62 select ARCH_WANT_IPC_PARSE_VERSION
327933f5 63 select HAVE_FUNCTION_GRAPH_TRACER
ab6e570b 64 select HAVE_ARCH_KGDB
6fbfe8d7 65 select HAVE_HW_BREAKPOINT
0102752e 66 select HAVE_MIXED_BREAKPOINTS_REGS
e583d6b3 67 select PERF_EVENTS
8dafc346 68 select ARCH_HIBERNATION_POSSIBLE if MMU
57b81330 69 select SPARSE_IRQ
19952a92 70 select HAVE_CC_STACKPROTECTOR
ea0e1a9a
PM
71
72config SUPERH64
3cc000b5 73 def_bool ARCH = "sh64"
3a898c0f 74 select KALLSYMS
39d28a2d 75
f42b7e3d
PM
76config ARCH_DEFCONFIG
77 string
78 default "arch/sh/configs/shx3_defconfig" if SUPERH32
79 default "arch/sh/configs/cayman_defconfig" if SUPERH64
80
1da177e4 81config RWSEM_GENERIC_SPINLOCK
d7ef4fb3 82 def_bool y
1da177e4
LT
83
84config RWSEM_XCHGADD_ALGORITHM
85 bool
86
fa691511
PM
87config GENERIC_BUG
88 def_bool y
a82d53ec 89 depends on BUG && SUPERH32
fa691511 90
3767f3f1
PM
91config GENERIC_CSUM
92 def_bool y
93 depends on SUPERH64
94
e2268c71 95config GENERIC_HWEIGHT
d7ef4fb3 96 def_bool y
e2268c71 97
1da177e4 98config GENERIC_CALIBRATE_DELAY
cf204fa7 99 bool
1da177e4 100
bdcab87b
PM
101config GENERIC_LOCKBREAK
102 def_bool y
103 depends on SMP && PREEMPT
104
af998a9a
MD
105config ARCH_SUSPEND_POSSIBLE
106 def_bool n
107
108config ARCH_HIBERNATION_POSSIBLE
109 def_bool n
357d5946 110
0a9b0db1
PM
111config SYS_SUPPORTS_APM_EMULATION
112 bool
af998a9a 113 select ARCH_SUSPEND_POSSIBLE
357d5946 114
ffb4a73d
PM
115config SYS_SUPPORTS_HUGETLBFS
116 bool
117
357d5946
PM
118config SYS_SUPPORTS_SMP
119 bool
120
121config SYS_SUPPORTS_NUMA
122 bool
123
124config SYS_SUPPORTS_PCI
125 bool
0a9b0db1 126
afbfb52e 127config STACKTRACE_SUPPORT
d7ef4fb3 128 def_bool y
afbfb52e
PM
129
130config LOCKDEP_SUPPORT
d7ef4fb3 131 def_bool y
afbfb52e 132
5a89f1ad
PM
133config HAVE_LATENCYTOP_SUPPORT
134 def_bool y
5a89f1ad 135
f0d1b0b3 136config ARCH_HAS_ILOG2_U32
d7ef4fb3 137 def_bool n
f0d1b0b3
DH
138
139config ARCH_HAS_ILOG2_U64
d7ef4fb3 140 def_bool n
f0d1b0b3 141
ce816fa8 142config NO_IOPORT_MAP
37b7a978 143 def_bool !PCI
c30b9c43
PM
144 depends on !SH_CAYMAN && !SH_SH4202_MICRODEV && !SH_SHMIN && \
145 !SH_HP6XX && !SH_SOLUTION_ENGINE
86e4dd5a 146
e7cc9a73
MD
147config IO_TRAPPED
148 bool
149
b7e68d68
PM
150config SWAP_IO_SPACE
151 bool
152
01be5d63
PM
153config DMA_COHERENT
154 bool
155
156config DMA_NONCOHERENT
157 def_bool !DMA_COHERENT
158
5cabbb62
FT
159config NEED_DMA_MAP_STATE
160 def_bool DMA_NONCOHERENT
161
18e98307
FT
162config NEED_SG_DMA_LENGTH
163 def_bool y
164
1da177e4
LT
165source "init/Kconfig"
166
dc52ddc0
MH
167source "kernel/Kconfig.freezer"
168
1da177e4
LT
169menu "System type"
170
b5f42db0
PM
171#
172# Processor families
173#
174config CPU_SH2
175 bool
049d2804 176 select SH_INTC
b5f42db0
PM
177
178config CPU_SH2A
179 bool
180 select CPU_SH2
e2fcf74f 181 select UNCACHED_MAPPING
b5f42db0
PM
182
183config CPU_SH3
184 bool
185 select CPU_HAS_INTEVT
186 select CPU_HAS_SR_RB
049d2804 187 select SH_INTC
fbfa8934 188 select SYS_SUPPORTS_SH_TMU
b5f42db0
PM
189
190config 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
049d2804 195 select SH_INTC
fbfa8934 196 select SYS_SUPPORTS_SH_TMU
ffb4a73d 197 select SYS_SUPPORTS_HUGETLBFS if MMU
b5f42db0
PM
198
199config CPU_SH4A
200 bool
201 select CPU_SH4
202
203config CPU_SH4AL_DSP
204 bool
205 select CPU_SH4A
206 select CPU_HAS_DSP
207
ea0e1a9a
PM
208config CPU_SH5
209 bool
210 select CPU_HAS_FPU
fbfa8934 211 select SYS_SUPPORTS_SH_TMU
ffb4a73d 212 select SYS_SUPPORTS_HUGETLBFS if MMU
ea0e1a9a 213
b5f42db0
PM
214config CPU_SHX2
215 bool
216
217config CPU_SHX3
218 bool
01be5d63 219 select DMA_COHERENT
4b478ee2
PM
220 select SYS_SUPPORTS_SMP
221 select SYS_SUPPORTS_NUMA
b5f42db0 222
dc65a977
PM
223config ARCH_SHMOBILE
224 bool
77594912 225 select ARCH_SUSPEND_POSSIBLE
464ed18e 226 select PM
dc65a977 227
86c8c047
MF
228config CPU_HAS_PMU
229 depends on CPU_SH4 || CPU_SH4A
230 default y
231 bool
232
3cc000b5
PM
233if SUPERH32
234
b5f42db0
PM
235choice
236 prompt "Processor sub-type selection"
237
238#
239# Processor subtypes
240#
241
242# SH-2 Processor Support
243
244config CPU_SUBTYPE_SH7619
245 bool "Support SH7619 processor"
246 select CPU_SH2
fbfa8934 247 select SYS_SUPPORTS_SH_CMT
b5f42db0
PM
248
249# SH-2A Processor Support
250
2825999e
PG
251config CPU_SUBTYPE_SH7201
252 bool "Support SH7201 processor"
253 select CPU_SH2A
254 select CPU_HAS_FPU
fbfa8934 255 select SYS_SUPPORTS_SH_MTU2
2825999e 256
6d01f510
PM
257config CPU_SUBTYPE_SH7203
258 bool "Support SH7203 processor"
259 select CPU_SH2A
74d99a5e 260 select CPU_HAS_FPU
fbfa8934
MD
261 select SYS_SUPPORTS_SH_CMT
262 select SYS_SUPPORTS_SH_MTU2
f020c92d 263 select ARCH_WANT_OPTIONAL_GPIOLIB
b768ecbc 264 select PINCTRL
6d01f510 265
b5f42db0
PM
266config CPU_SUBTYPE_SH7206
267 bool "Support SH7206 processor"
268 select CPU_SH2A
fbfa8934
MD
269 select SYS_SUPPORTS_SH_CMT
270 select SYS_SUPPORTS_SH_MTU2
b5f42db0 271
a8f67f4b
PM
272config CPU_SUBTYPE_SH7263
273 bool "Support SH7263 processor"
274 select CPU_SH2A
74d99a5e 275 select CPU_HAS_FPU
fbfa8934
MD
276 select SYS_SUPPORTS_SH_CMT
277 select SYS_SUPPORTS_SH_MTU2
a8f67f4b 278
51ce3068
PE
279config CPU_SUBTYPE_SH7264
280 bool "Support SH7264 processor"
281 select CPU_SH2A
282 select CPU_HAS_FPU
fbfa8934
MD
283 select SYS_SUPPORTS_SH_CMT
284 select SYS_SUPPORTS_SH_MTU2
5946e7bb 285 select PINCTRL
51ce3068 286
0b25b7c8
PE
287config CPU_SUBTYPE_SH7269
288 bool "Support SH7269 processor"
289 select CPU_SH2A
290 select CPU_HAS_FPU
fbfa8934
MD
291 select SYS_SUPPORTS_SH_CMT
292 select SYS_SUPPORTS_SH_MTU2
fb872fcc 293 select PINCTRL
0b25b7c8 294
2ad69908
PM
295config CPU_SUBTYPE_MXG
296 bool "Support MX-G processor"
297 select CPU_SH2A
fbfa8934 298 select SYS_SUPPORTS_SH_MTU2
2ad69908
PM
299 help
300 Select MX-G if running on an R8A03022BG part.
301
b5f42db0
PM
302# SH-3 Processor Support
303
304config CPU_SUBTYPE_SH7705
305 bool "Support SH7705 processor"
306 select CPU_SH3
307
308config CPU_SUBTYPE_SH7706
309 bool "Support SH7706 processor"
310 select CPU_SH3
311 help
312 Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
313
314config CPU_SUBTYPE_SH7707
315 bool "Support SH7707 processor"
316 select CPU_SH3
317 help
318 Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
319
320config CPU_SUBTYPE_SH7708
321 bool "Support SH7708 processor"
322 select CPU_SH3
323 help
324 Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
325 if you have a 100 Mhz SH-3 HD6417708R CPU.
326
327config CPU_SUBTYPE_SH7709
328 bool "Support SH7709 processor"
329 select CPU_SH3
330 help
331 Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
332
333config CPU_SUBTYPE_SH7710
334 bool "Support SH7710 processor"
335 select CPU_SH3
336 select CPU_HAS_DSP
337 help
338 Select SH7710 if you have a SH3-DSP SH7710 CPU.
339
340config CPU_SUBTYPE_SH7712
341 bool "Support SH7712 processor"
342 select CPU_SH3
343 select CPU_HAS_DSP
344 help
345 Select SH7712 if you have a SH3-DSP SH7712 CPU.
346
347config CPU_SUBTYPE_SH7720
348 bool "Support SH7720 processor"
349 select CPU_SH3
350 select CPU_HAS_DSP
fbfa8934 351 select SYS_SUPPORTS_SH_CMT
f020c92d 352 select ARCH_WANT_OPTIONAL_GPIOLIB
7b61ca5d 353 select USB_OHCI_SH if USB_OHCI_HCD
85db6bff 354 select PINCTRL
b5f42db0
PM
355 help
356 Select SH7720 if you have a SH3-DSP SH7720 CPU.
357
31a49c4b
YS
358config CPU_SUBTYPE_SH7721
359 bool "Support SH7721 processor"
360 select CPU_SH3
361 select CPU_HAS_DSP
fbfa8934 362 select SYS_SUPPORTS_SH_CMT
7b61ca5d 363 select USB_OHCI_SH if USB_OHCI_HCD
31a49c4b
YS
364 help
365 Select SH7721 if you have a SH3-DSP SH7721 CPU.
366
b5f42db0
PM
367# SH-4 Processor Support
368
369config CPU_SUBTYPE_SH7750
370 bool "Support SH7750 processor"
371 select CPU_SH4
372 help
373 Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
374
375config CPU_SUBTYPE_SH7091
376 bool "Support SH7091 processor"
377 select CPU_SH4
378 help
379 Select SH7091 if you have an SH-4 based Sega device (such as
380 the Dreamcast, Naomi, and Naomi 2).
381
382config CPU_SUBTYPE_SH7750R
383 bool "Support SH7750R processor"
384 select CPU_SH4
385
386config CPU_SUBTYPE_SH7750S
387 bool "Support SH7750S processor"
388 select CPU_SH4
389
390config CPU_SUBTYPE_SH7751
391 bool "Support SH7751 processor"
392 select CPU_SH4
393 help
394 Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
395 or if you have a HD6417751R CPU.
396
397config CPU_SUBTYPE_SH7751R
398 bool "Support SH7751R processor"
399 select CPU_SH4
400
401config CPU_SUBTYPE_SH7760
402 bool "Support SH7760 processor"
403 select CPU_SH4
404
405config CPU_SUBTYPE_SH4_202
406 bool "Support SH4-202 processor"
407 select CPU_SH4
408
409# SH-4A Processor Support
410
178dd0cd
PM
411config CPU_SUBTYPE_SH7723
412 bool "Support SH7723 processor"
413 select CPU_SH4A
414 select CPU_SHX2
dc65a977 415 select ARCH_SHMOBILE
178dd0cd 416 select ARCH_SPARSEMEM_ENABLE
fbfa8934 417 select SYS_SUPPORTS_SH_CMT
f020c92d 418 select ARCH_WANT_OPTIONAL_GPIOLIB
16941a89 419 select PINCTRL
178dd0cd
PM
420 help
421 Select SH7723 if you have an SH-MobileR2 CPU.
422
0207a2ef
KM
423config CPU_SUBTYPE_SH7724
424 bool "Support SH7724 processor"
425 select CPU_SH4A
426 select CPU_SHX2
59fe700d 427 select ARCH_SHMOBILE
0207a2ef 428 select ARCH_SPARSEMEM_ENABLE
fbfa8934 429 select SYS_SUPPORTS_SH_CMT
f020c92d 430 select ARCH_WANT_OPTIONAL_GPIOLIB
18ebd228 431 select PINCTRL
0207a2ef
KM
432 help
433 Select SH7724 if you have an SH-MobileR2R CPU.
434
fea88a0c
NI
435config CPU_SUBTYPE_SH7734
436 bool "Support SH7734 processor"
437 select CPU_SH4A
438 select CPU_SHX2
439 select ARCH_WANT_OPTIONAL_GPIOLIB
2c172182 440 select PINCTRL
fea88a0c
NI
441 help
442 Select SH7734 if you have a SH4A SH7734 CPU.
443
c01f0f1a
YS
444config CPU_SUBTYPE_SH7757
445 bool "Support SH7757 processor"
446 select CPU_SH4A
447 select CPU_SHX2
f020c92d 448 select ARCH_WANT_OPTIONAL_GPIOLIB
eb61b772 449 select PINCTRL
c01f0f1a
YS
450 help
451 Select SH7757 if you have a SH4A SH7757 CPU.
452
7d740a06
YS
453config CPU_SUBTYPE_SH7763
454 bool "Support SH7763 processor"
455 select CPU_SH4A
7b61ca5d 456 select USB_OHCI_SH if USB_OHCI_HCD
7d740a06
YS
457 help
458 Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
459
b5f42db0
PM
460config CPU_SUBTYPE_SH7770
461 bool "Support SH7770 processor"
462 select CPU_SH4A
463
464config CPU_SUBTYPE_SH7780
465 bool "Support SH7780 processor"
466 select CPU_SH4A
467
468config CPU_SUBTYPE_SH7785
469 bool "Support SH7785 processor"
470 select CPU_SH4A
471 select CPU_SHX2
55ba99eb
KM
472 select ARCH_SPARSEMEM_ENABLE
473 select SYS_SUPPORTS_NUMA
f020c92d 474 select ARCH_WANT_OPTIONAL_GPIOLIB
77bd27b2 475 select PINCTRL
55ba99eb
KM
476
477config CPU_SUBTYPE_SH7786
478 bool "Support SH7786 processor"
479 select CPU_SH4A
37042fbd 480 select CPU_SHX3
8263a67e 481 select CPU_HAS_PTEAEX
2eb2a436 482 select GENERIC_CLOCKEVENTS_BROADCAST if SMP
f020c92d 483 select ARCH_WANT_OPTIONAL_GPIOLIB
7b61ca5d 484 select USB_OHCI_SH if USB_OHCI_HCD
7b61ca5d 485 select USB_EHCI_SH if USB_EHCI_HCD
c0fdbff9 486 select PINCTRL
b5f42db0
PM
487
488config CPU_SUBTYPE_SHX3
489 bool "Support SH-X3 processor"
490 select CPU_SH4A
491 select CPU_SHX3
5840263e 492 select GENERIC_CLOCKEVENTS_BROADCAST if SMP
742759ea 493 select ARCH_REQUIRE_GPIOLIB
3e347f08 494 select PINCTRL
b5f42db0
PM
495
496# SH4AL-DSP Processor Support
497
498config CPU_SUBTYPE_SH7343
499 bool "Support SH7343 processor"
500 select CPU_SH4AL_DSP
dc65a977 501 select ARCH_SHMOBILE
fbfa8934 502 select SYS_SUPPORTS_SH_CMT
b5f42db0
PM
503
504config CPU_SUBTYPE_SH7722
505 bool "Support SH7722 processor"
506 select CPU_SH4AL_DSP
507 select CPU_SHX2
dc65a977 508 select ARCH_SHMOBILE
b5f42db0
PM
509 select ARCH_SPARSEMEM_ENABLE
510 select SYS_SUPPORTS_NUMA
fbfa8934 511 select SYS_SUPPORTS_SH_CMT
f020c92d 512 select ARCH_WANT_OPTIONAL_GPIOLIB
ef97c3c1 513 select PINCTRL
9109a30e
MD
514
515config CPU_SUBTYPE_SH7366
516 bool "Support SH7366 processor"
517 select CPU_SH4AL_DSP
518 select CPU_SHX2
dc65a977 519 select ARCH_SHMOBILE
9109a30e
MD
520 select ARCH_SPARSEMEM_ENABLE
521 select SYS_SUPPORTS_NUMA
fbfa8934 522 select SYS_SUPPORTS_SH_CMT
b5f42db0 523
3cc000b5
PM
524endchoice
525
526endif
527
528if SUPERH64
529
530choice
531 prompt "Processor sub-type selection"
532
ea0e1a9a
PM
533# SH-5 Processor Support
534
535config CPU_SUBTYPE_SH5_101
536 bool "Support SH5-101 processor"
537 select CPU_SH5
538
539config CPU_SUBTYPE_SH5_103
540 bool "Support SH5-103 processor"
8ef97dd7 541 select CPU_SH5
ea0e1a9a 542
b5f42db0
PM
543endchoice
544
3cc000b5
PM
545endif
546
f3d22298 547source "arch/sh/mm/Kconfig"
939a24a6 548
4690bdc7 549source "arch/sh/Kconfig.cpu"
f3d22298 550
939a24a6 551source "arch/sh/boards/Kconfig"
32351a28 552
32351a28
PM
553menu "Timer and clock configuration"
554
cad82448
PM
555config SH_PCLK_FREQ
556 int "Peripheral clock frequency (in Hz)"
8152a74b 557 depends on SH_CLK_CPG_LEGACY
9d4436a6 558 default "31250000" if CPU_SUBTYPE_SH7619
8152a74b
PM
559 default "33333333" if CPU_SUBTYPE_SH7770 || \
560 CPU_SUBTYPE_SH7760 || \
561 CPU_SUBTYPE_SH7705 || \
562 CPU_SUBTYPE_SH7203 || \
563 CPU_SUBTYPE_SH7206 || \
564 CPU_SUBTYPE_SH7263 || \
43a1839c 565 CPU_SUBTYPE_MXG
05627486 566 default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
cad82448 567 default "66000000" if CPU_SUBTYPE_SH4_202
05627486 568 default "50000000"
1da177e4 569 help
cad82448
PM
570 This option is used to specify the peripheral clock frequency.
571 This is necessary for determining the reference clock value on
572 platforms lacking an RTC.
1da177e4 573
36aa1e32
PM
574config SH_CLK_CPG
575 def_bool y
576
253b0887 577config SH_CLK_CPG_LEGACY
36aa1e32 578 depends on SH_CLK_CPG
43a1839c 579 def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE && \
51ce3068 580 !CPU_SHX3 && !CPU_SUBTYPE_SH7757 && \
bcb86e0a
PM
581 !CPU_SUBTYPE_SH7734 && !CPU_SUBTYPE_SH7264 && \
582 !CPU_SUBTYPE_SH7269
253b0887 583
32351a28
PM
584endmenu
585
cad82448 586menu "CPU Frequency scaling"
cad82448 587source "drivers/cpufreq/Kconfig"
cad82448
PM
588endmenu
589
9f5e8eee
PM
590source "arch/sh/drivers/Kconfig"
591
cad82448 592endmenu
1da177e4 593
cad82448
PM
594menu "Kernel features"
595
91b91d01
PM
596source kernel/Kconfig.hz
597
cad82448
PM
598config KEXEC
599 bool "kexec system call (EXPERIMENTAL)"
0d57af1e 600 depends on SUPERH32 && MMU
1da177e4 601 help
cad82448
PM
602 kexec is a system call that implements the ability to shutdown your
603 current kernel, and to start another kernel. It is like a reboot
1f1332f7 604 but it is independent of the system firmware. And like a reboot
cad82448
PM
605 you can start any kernel with it, not just Linux.
606
1f1332f7 607 The name comes from the similarity to the exec system call.
cad82448
PM
608
609 It is an ongoing process to be certain the hardware in a machine
610 is properly shutdown, so do not be surprised if this code does not
bf220695
GU
611 initially work for you. As of this writing the exact hardware
612 interface is strongly in flux, so no good recommendation can be
613 made.
cad82448 614
4d5ade5b
PM
615config CRASH_DUMP
616 bool "kernel crash dumps (EXPERIMENTAL)"
0d57af1e 617 depends on SUPERH32 && BROKEN_ON_SMP
4d5ade5b
PM
618 help
619 Generate crash dump after being started by kexec.
620 This should be normally only set in special crash dump kernels
621 which are loaded in the main kernel with kexec-tools into
622 a specially reserved region and then later executed after
623 a crash by kdump/kexec. The crash dump kernel must be compiled
624 to a memory address not used by the main kernel using
e66ac3f2 625 PHYSICAL_START.
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626
627 For more details see Documentation/kdump/kdump.txt
628
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629config KEXEC_JUMP
630 bool "kexec jump (EXPERIMENTAL)"
0d57af1e 631 depends on SUPERH32 && KEXEC && HIBERNATION
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632 help
633 Jump between original kernel and kexeced kernel and invoke
634 code via KEXEC
635
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636config PHYSICAL_START
637 hex "Physical address where the kernel is loaded" if (EXPERT || CRASH_DUMP)
638 default MEMORY_START
639 ---help---
640 This gives the physical address where the kernel is loaded
641 and is ordinarily the same as MEMORY_START.
642
643 Different values are primarily used in the case of kexec on panic
644 where the fail safe kernel needs to run at a different address
645 than the panic-ed kernel.
646
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647config SECCOMP
648 bool "Enable seccomp to safely compute untrusted bytecode"
649 depends on PROC_FS
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650 help
651 This kernel feature is useful for number crunching applications
652 that may need to compute untrusted bytecode during their
653 execution. By using pipes or other transports made available to
654 the process as file descriptors supporting the read/write
655 syscalls, it's possible to isolate those applications in
656 their own address space using seccomp. Once seccomp is
657 enabled via prctl, it cannot be disabled and the task is only
658 allowed to execute a few safe syscalls defined by each seccomp
659 mode.
660
661 If unsure, say N.
662
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663config SMP
664 bool "Symmetric multi-processing support"
357d5946 665 depends on SYS_SUPPORTS_SMP
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666 ---help---
667 This enables support for systems with more than one CPU. If you have
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668 a system with only one CPU, say N. If you have a system with more
669 than one CPU, say Y.
1da177e4 670
4a474157 671 If you say N here, the kernel will run on uni- and multiprocessor
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672 machines, but will use only one CPU of a multiprocessor machine. If
673 you say Y here, the kernel will run on many, but not all,
4a474157 674 uniprocessor machines. On a uniprocessor machine, the kernel
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675 will run faster if you say N here.
676
677 People using multiprocessor machines who say Y here should also say
678 Y to "Enhanced Real Time Clock Support", below.
679
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680 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
681 available at <http://www.tldp.org/docs.html#howto>.
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682
683 If you don't know what to do here, say N.
684
685config NR_CPUS
686 int "Maximum number of CPUs (2-32)"
687 range 2 32
688 depends on SMP
2eb2a436 689 default "4" if CPU_SUBTYPE_SHX3
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690 default "2"
691 help
692 This allows you to specify the maximum number of CPUs which this
693 kernel will support. The maximum supported value is 32 and the
694 minimum value which makes sense is 2.
695
696 This is purely to save memory - each supported CPU adds
697 approximately eight kilobytes to the kernel image.
698
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699config HOTPLUG_CPU
700 bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
40b31360 701 depends on SMP
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702 help
703 Say Y here to experiment with turning CPUs off and on. CPUs
704 can be controlled through /sys/devices/system/cpu.
705
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706source "kernel/Kconfig.preempt"
707
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708config GUSA
709 def_bool y
1efe4ce3 710 depends on !SMP && SUPERH32
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711 help
712 This enables support for gUSA (general UserSpace Atomicity).
713 This is the default implementation for both UP and non-ll/sc
714 CPUs, and is used by the libc, amongst others.
715
716 For additional information, design information can be found
717 in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
718
719 This should only be disabled for special cases where alternate
720 atomicity implementations exist.
721
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722config GUSA_RB
723 bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
724 depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
725 help
726 Enabling this option will allow the kernel to implement some
692105b8 727 atomic operations using a software implementation of load-locked/
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728 store-conditional (LLSC). On machines which do not have hardware
729 LLSC, this should be more efficient than the other alternative of
692105b8 730 disabling interrupts around the atomic sequence.
1efe4ce3 731
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732config HW_PERF_EVENTS
733 bool "Enable hardware performance counter support for perf events"
734 depends on PERF_EVENTS && CPU_HAS_PMU
735 default y
736 help
737 Enable hardware performance counter support for perf events. If
738 disabled, perf events will use software events only.
739
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740source "drivers/sh/Kconfig"
741
cad82448 742endmenu
1da177e4 743
cad82448 744menu "Boot options"
1da177e4 745
cad82448 746config ZERO_PAGE_OFFSET
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747 hex
748 default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \
749 SH_7751_SOLUTION_ENGINE
750 default "0x00004000" if PAGE_SIZE_16KB || SH_SH03
7a847f81 751 default "0x00002000" if PAGE_SIZE_8KB
cad82448 752 default "0x00001000"
1da177e4 753 help
cad82448 754 This sets the default offset of zero page.
1da177e4 755
cad82448 756config BOOT_LINK_OFFSET
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757 hex
758 default "0x00210000" if SH_SHMIN
a2e76c80 759 default "0x00400000" if SH_CAYMAN
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760 default "0x00810000" if SH_7780_SOLUTION_ENGINE
761 default "0x009e0000" if SH_TITAN
762 default "0x01800000" if SH_SDK7780
763 default "0x02000000" if SH_EDOSK7760
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764 default "0x00800000"
765 help
766 This option allows you to set the link address offset of the zImage.
767 This can be useful if you are on a board which has a small amount of
768 memory.
1da177e4 769
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770config ENTRY_OFFSET
771 hex
772 default "0x00001000" if PAGE_SIZE_4KB
773 default "0x00002000" if PAGE_SIZE_8KB
774 default "0x00004000" if PAGE_SIZE_16KB
775 default "0x00010000" if PAGE_SIZE_64KB
776 default "0x00000000"
777
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778config ROMIMAGE_MMCIF
779 bool "Include MMCIF loader in romImage (EXPERIMENTAL)"
0d57af1e 780 depends on CPU_SUBTYPE_SH7724
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781 help
782 Say Y here to include experimental MMCIF loading code in
783 romImage. With this enabled it is possible to write the romImage
784 kernel image to an MMC card and boot the kernel straight from
785 the reset vector. At reset the processor Mask ROM will load the
786 first part of the romImage which in turn loads the rest the kernel
787 image to RAM using the MMCIF hardware block.
788
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789choice
790 prompt "Kernel command line"
791 optional
792 default CMDLINE_OVERWRITE
793 help
794 Setting this option allows the kernel command line arguments
795 to be set.
796
797config CMDLINE_OVERWRITE
798 bool "Overwrite bootloader kernel arguments"
799 help
800 Given string will overwrite any arguments passed in by
801 a bootloader.
802
803config CMDLINE_EXTEND
804 bool "Extend bootloader kernel arguments"
805 help
806 Given string will be concatenated with arguments passed in
807 by a bootloader.
808
809endchoice
1da177e4 810
cad82448 811config CMDLINE
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812 string "Kernel command line arguments string"
813 depends on CMDLINE_OVERWRITE || CMDLINE_EXTEND
cad82448 814 default "console=ttySC1,115200"
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815
816endmenu
817
cad82448 818menu "Bus options"
1da177e4 819
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820config SUPERHYWAY
821 tristate "SuperHyway Bus support"
822 depends on CPU_SUBTYPE_SH4_202
1da177e4 823
17be2d2b 824config MAPLE
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825 bool "Maple Bus support"
826 depends on SH_DREAMCAST
827 help
828 The Maple Bus is SEGA's serial communication bus for peripherals
829 on the Dreamcast. Without this bus support you won't be able to
830 get your Dreamcast keyboard etc to work, so most users
831 probably want to say 'Y' here, unless you are only using the
832 Dreamcast with a serial line terminal or a remote network
833 connection.
17be2d2b 834
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835config PCI
836 bool "PCI support"
837 depends on SYS_SUPPORTS_PCI
320e68da 838 select PCI_DOMAINS
43db595e 839 select GENERIC_PCI_IOMAP
1e05b62a 840 select NO_GENERIC_PCI_IOPORT_MAP
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841 help
842 Find out whether you have a PCI motherboard. PCI is the name of a
843 bus system, i.e. the way the CPU talks to the other stuff inside
844 your box. If you have PCI, say Y, otherwise N.
1da177e4 845
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846config PCI_DOMAINS
847 bool
848
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849source "drivers/pci/pcie/Kconfig"
850
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851source "drivers/pci/Kconfig"
852
853source "drivers/pcmcia/Kconfig"
854
855source "drivers/pci/hotplug/Kconfig"
856
857endmenu
858
859menu "Executable file formats"
860
861source "fs/Kconfig.binfmt"
862
863endmenu
864
3aa770e7 865menu "Power management options (EXPERIMENTAL)"
f4cb5700 866
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867source "kernel/power/Kconfig"
868
869source "drivers/cpuidle/Kconfig"
3aa770e7 870
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871endmenu
872
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873source "net/Kconfig"
874
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875source "drivers/Kconfig"
876
877source "fs/Kconfig"
878
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879source "arch/sh/Kconfig.debug"
880
881source "security/Kconfig"
882
883source "crypto/Kconfig"
884
885source "lib/Kconfig"