Merge tag 'nfs-for-3.17-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
[deliverable/linux.git] / arch / sh / Kconfig
CommitLineData
1da177e4 1config SUPERH
ea0e1a9a 2 def_bool y
09d8dd93 3 select ARCH_MIGHT_HAVE_PC_PARPORT
6a108a14 4 select EXPERT
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)
72f0c137 19 select PERF_USE_VMALLOC
b69ec42b 20 select HAVE_DEBUG_KMEMLEAK
df8ce259 21 select HAVE_KERNEL_GZIP
07e88e1b
PM
22 select HAVE_KERNEL_BZIP2
23 select HAVE_KERNEL_LZMA
50cfa79d 24 select HAVE_KERNEL_XZ
c7b16efb 25 select HAVE_KERNEL_LZO
af1839eb 26 select HAVE_UID16
c1d7e01d 27 select ARCH_WANT_IPC_PARSE_VERSION
a74f7e04 28 select HAVE_SYSCALL_TRACEPOINTS
eaaaeef3 29 select HAVE_REGS_AND_STACK_ACCESS_API
2ed86b16 30 select MAY_HAVE_SPARSE_IRQ
ed170924 31 select IRQ_FORCED_THREADING
6eac1af0 32 select RTC_LIB
f01789c6 33 select GENERIC_ATOMIC64
3d44ae40 34 select GENERIC_IRQ_SHOW
ea0588cb 35 select GENERIC_SMP_IDLE_THREAD
dc775dd8 36 select GENERIC_IDLE_POLL_SETUP
8cf200d8
AMG
37 select GENERIC_CLOCKEVENTS
38 select GENERIC_CMOS_UPDATE if SH_SH03 || SH_DREAMCAST
0e100e11 39 select GENERIC_STRNCPY_FROM_USER
cba8df4b 40 select GENERIC_STRNLEN_USER
786d35d4
DH
41 select HAVE_MOD_ARCH_SPECIFIC if DWARF_UNWINDER
42 select MODULES_USE_ELF_RELA
881e252d 43 select OLD_SIGSUSPEND
0679a858 44 select OLD_SIGACTION
7a017721 45 select HAVE_ARCH_AUDITSYSCALL
1da177e4
LT
46 help
47 The SuperH is a RISC processor targeted for use in embedded systems
48 and consumer electronics; it was also used in the Sega Dreamcast
49 gaming console. The SuperH port has a home page at
50 <http://www.linux-sh.org/>.
51
39d28a2d 52config SUPERH32
3cc000b5 53 def_bool ARCH = "sh"
d39f5450
CS
54 select HAVE_KPROBES
55 select HAVE_KRETPROBES
6d63e73d 56 select HAVE_IOREMAP_PROT if MMU && !X2TLB
694f94f2 57 select HAVE_FUNCTION_TRACER
fad57feb
MF
58 select HAVE_FTRACE_MCOUNT_RECORD
59 select HAVE_DYNAMIC_FTRACE
e4b053d9 60 select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE
c1d7e01d 61 select ARCH_WANT_IPC_PARSE_VERSION
327933f5 62 select HAVE_FUNCTION_GRAPH_TRACER
ab6e570b 63 select HAVE_ARCH_KGDB
6fbfe8d7 64 select HAVE_HW_BREAKPOINT
0102752e 65 select HAVE_MIXED_BREAKPOINTS_REGS
e583d6b3 66 select PERF_EVENTS
8dafc346 67 select ARCH_HIBERNATION_POSSIBLE if MMU
57b81330 68 select SPARSE_IRQ
19952a92 69 select HAVE_CC_STACKPROTECTOR
ea0e1a9a
PM
70
71config SUPERH64
3cc000b5 72 def_bool ARCH = "sh64"
3a898c0f 73 select KALLSYMS
39d28a2d 74
f42b7e3d
PM
75config ARCH_DEFCONFIG
76 string
77 default "arch/sh/configs/shx3_defconfig" if SUPERH32
78 default "arch/sh/configs/cayman_defconfig" if SUPERH64
79
1da177e4 80config RWSEM_GENERIC_SPINLOCK
d7ef4fb3 81 def_bool y
1da177e4
LT
82
83config RWSEM_XCHGADD_ALGORITHM
84 bool
85
fa691511
PM
86config GENERIC_BUG
87 def_bool y
a82d53ec 88 depends on BUG && SUPERH32
fa691511 89
3767f3f1
PM
90config GENERIC_CSUM
91 def_bool y
92 depends on SUPERH64
93
e2268c71 94config GENERIC_HWEIGHT
d7ef4fb3 95 def_bool y
e2268c71 96
1da177e4 97config GENERIC_CALIBRATE_DELAY
cf204fa7 98 bool
1da177e4 99
bdcab87b
PM
100config GENERIC_LOCKBREAK
101 def_bool y
102 depends on SMP && PREEMPT
103
af998a9a
MD
104config ARCH_SUSPEND_POSSIBLE
105 def_bool n
106
107config ARCH_HIBERNATION_POSSIBLE
108 def_bool n
357d5946 109
0a9b0db1
PM
110config SYS_SUPPORTS_APM_EMULATION
111 bool
af998a9a 112 select ARCH_SUSPEND_POSSIBLE
357d5946 113
ffb4a73d
PM
114config SYS_SUPPORTS_HUGETLBFS
115 bool
116
357d5946
PM
117config SYS_SUPPORTS_SMP
118 bool
119
120config SYS_SUPPORTS_NUMA
121 bool
122
123config SYS_SUPPORTS_PCI
124 bool
0a9b0db1 125
afbfb52e 126config STACKTRACE_SUPPORT
d7ef4fb3 127 def_bool y
afbfb52e
PM
128
129config LOCKDEP_SUPPORT
d7ef4fb3 130 def_bool y
afbfb52e 131
5a89f1ad
PM
132config HAVE_LATENCYTOP_SUPPORT
133 def_bool y
5a89f1ad 134
f0d1b0b3 135config ARCH_HAS_ILOG2_U32
d7ef4fb3 136 def_bool n
f0d1b0b3
DH
137
138config ARCH_HAS_ILOG2_U64
d7ef4fb3 139 def_bool n
f0d1b0b3 140
ce816fa8 141config NO_IOPORT_MAP
37b7a978 142 def_bool !PCI
c30b9c43
PM
143 depends on !SH_CAYMAN && !SH_SH4202_MICRODEV && !SH_SHMIN && \
144 !SH_HP6XX && !SH_SOLUTION_ENGINE
86e4dd5a 145
e7cc9a73
MD
146config IO_TRAPPED
147 bool
148
b7e68d68
PM
149config SWAP_IO_SPACE
150 bool
151
01be5d63
PM
152config DMA_COHERENT
153 bool
154
155config DMA_NONCOHERENT
156 def_bool !DMA_COHERENT
157
5cabbb62
FT
158config NEED_DMA_MAP_STATE
159 def_bool DMA_NONCOHERENT
160
18e98307
FT
161config NEED_SG_DMA_LENGTH
162 def_bool y
163
1da177e4
LT
164source "init/Kconfig"
165
dc52ddc0
MH
166source "kernel/Kconfig.freezer"
167
1da177e4
LT
168menu "System type"
169
b5f42db0
PM
170#
171# Processor families
172#
173config CPU_SH2
174 bool
175
176config CPU_SH2A
177 bool
178 select CPU_SH2
e2fcf74f 179 select UNCACHED_MAPPING
b5f42db0
PM
180
181config CPU_SH3
182 bool
183 select CPU_HAS_INTEVT
184 select CPU_HAS_SR_RB
fbfa8934 185 select SYS_SUPPORTS_SH_TMU
b5f42db0
PM
186
187config CPU_SH4
188 bool
189 select CPU_HAS_INTEVT
190 select CPU_HAS_SR_RB
b5f42db0 191 select CPU_HAS_FPU if !CPU_SH4AL_DSP
fbfa8934 192 select SYS_SUPPORTS_SH_TMU
ffb4a73d 193 select SYS_SUPPORTS_HUGETLBFS if MMU
b5f42db0
PM
194
195config CPU_SH4A
196 bool
197 select CPU_SH4
198
199config CPU_SH4AL_DSP
200 bool
201 select CPU_SH4A
202 select CPU_HAS_DSP
203
ea0e1a9a
PM
204config CPU_SH5
205 bool
206 select CPU_HAS_FPU
fbfa8934 207 select SYS_SUPPORTS_SH_TMU
ffb4a73d 208 select SYS_SUPPORTS_HUGETLBFS if MMU
ea0e1a9a 209
b5f42db0
PM
210config CPU_SHX2
211 bool
212
213config CPU_SHX3
214 bool
01be5d63 215 select DMA_COHERENT
4b478ee2
PM
216 select SYS_SUPPORTS_SMP
217 select SYS_SUPPORTS_NUMA
b5f42db0 218
dc65a977
PM
219config ARCH_SHMOBILE
220 bool
77594912 221 select ARCH_SUSPEND_POSSIBLE
ac2c596b
MD
222 select PM
223 select PM_RUNTIME
dc65a977 224
86c8c047
MF
225config CPU_HAS_PMU
226 depends on CPU_SH4 || CPU_SH4A
227 default y
228 bool
229
3cc000b5
PM
230if SUPERH32
231
b5f42db0
PM
232choice
233 prompt "Processor sub-type selection"
234
235#
236# Processor subtypes
237#
238
239# SH-2 Processor Support
240
241config CPU_SUBTYPE_SH7619
242 bool "Support SH7619 processor"
243 select CPU_SH2
fbfa8934 244 select SYS_SUPPORTS_SH_CMT
b5f42db0
PM
245
246# SH-2A Processor Support
247
2825999e
PG
248config CPU_SUBTYPE_SH7201
249 bool "Support SH7201 processor"
250 select CPU_SH2A
251 select CPU_HAS_FPU
fbfa8934 252 select SYS_SUPPORTS_SH_MTU2
2825999e 253
6d01f510
PM
254config CPU_SUBTYPE_SH7203
255 bool "Support SH7203 processor"
256 select CPU_SH2A
74d99a5e 257 select CPU_HAS_FPU
fbfa8934
MD
258 select SYS_SUPPORTS_SH_CMT
259 select SYS_SUPPORTS_SH_MTU2
f020c92d 260 select ARCH_WANT_OPTIONAL_GPIOLIB
b768ecbc 261 select PINCTRL
6d01f510 262
b5f42db0
PM
263config CPU_SUBTYPE_SH7206
264 bool "Support SH7206 processor"
265 select CPU_SH2A
fbfa8934
MD
266 select SYS_SUPPORTS_SH_CMT
267 select SYS_SUPPORTS_SH_MTU2
b5f42db0 268
a8f67f4b
PM
269config CPU_SUBTYPE_SH7263
270 bool "Support SH7263 processor"
271 select CPU_SH2A
74d99a5e 272 select CPU_HAS_FPU
fbfa8934
MD
273 select SYS_SUPPORTS_SH_CMT
274 select SYS_SUPPORTS_SH_MTU2
a8f67f4b 275
51ce3068
PE
276config CPU_SUBTYPE_SH7264
277 bool "Support SH7264 processor"
278 select CPU_SH2A
279 select CPU_HAS_FPU
fbfa8934
MD
280 select SYS_SUPPORTS_SH_CMT
281 select SYS_SUPPORTS_SH_MTU2
5946e7bb 282 select PINCTRL
51ce3068 283
0b25b7c8
PE
284config CPU_SUBTYPE_SH7269
285 bool "Support SH7269 processor"
286 select CPU_SH2A
287 select CPU_HAS_FPU
fbfa8934
MD
288 select SYS_SUPPORTS_SH_CMT
289 select SYS_SUPPORTS_SH_MTU2
fb872fcc 290 select PINCTRL
0b25b7c8 291
2ad69908
PM
292config CPU_SUBTYPE_MXG
293 bool "Support MX-G processor"
294 select CPU_SH2A
fbfa8934 295 select SYS_SUPPORTS_SH_MTU2
2ad69908
PM
296 help
297 Select MX-G if running on an R8A03022BG part.
298
b5f42db0
PM
299# SH-3 Processor Support
300
301config CPU_SUBTYPE_SH7705
302 bool "Support SH7705 processor"
303 select CPU_SH3
304
305config CPU_SUBTYPE_SH7706
306 bool "Support SH7706 processor"
307 select CPU_SH3
308 help
309 Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
310
311config CPU_SUBTYPE_SH7707
312 bool "Support SH7707 processor"
313 select CPU_SH3
314 help
315 Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
316
317config CPU_SUBTYPE_SH7708
318 bool "Support SH7708 processor"
319 select CPU_SH3
320 help
321 Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
322 if you have a 100 Mhz SH-3 HD6417708R CPU.
323
324config CPU_SUBTYPE_SH7709
325 bool "Support SH7709 processor"
326 select CPU_SH3
327 help
328 Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
329
330config CPU_SUBTYPE_SH7710
331 bool "Support SH7710 processor"
332 select CPU_SH3
333 select CPU_HAS_DSP
334 help
335 Select SH7710 if you have a SH3-DSP SH7710 CPU.
336
337config CPU_SUBTYPE_SH7712
338 bool "Support SH7712 processor"
339 select CPU_SH3
340 select CPU_HAS_DSP
341 help
342 Select SH7712 if you have a SH3-DSP SH7712 CPU.
343
344config CPU_SUBTYPE_SH7720
345 bool "Support SH7720 processor"
346 select CPU_SH3
347 select CPU_HAS_DSP
fbfa8934 348 select SYS_SUPPORTS_SH_CMT
f020c92d 349 select ARCH_WANT_OPTIONAL_GPIOLIB
7b61ca5d 350 select USB_OHCI_SH if USB_OHCI_HCD
85db6bff 351 select PINCTRL
b5f42db0
PM
352 help
353 Select SH7720 if you have a SH3-DSP SH7720 CPU.
354
31a49c4b
YS
355config CPU_SUBTYPE_SH7721
356 bool "Support SH7721 processor"
357 select CPU_SH3
358 select CPU_HAS_DSP
fbfa8934 359 select SYS_SUPPORTS_SH_CMT
7b61ca5d 360 select USB_OHCI_SH if USB_OHCI_HCD
31a49c4b
YS
361 help
362 Select SH7721 if you have a SH3-DSP SH7721 CPU.
363
b5f42db0
PM
364# SH-4 Processor Support
365
366config CPU_SUBTYPE_SH7750
367 bool "Support SH7750 processor"
368 select CPU_SH4
369 help
370 Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
371
372config CPU_SUBTYPE_SH7091
373 bool "Support SH7091 processor"
374 select CPU_SH4
375 help
376 Select SH7091 if you have an SH-4 based Sega device (such as
377 the Dreamcast, Naomi, and Naomi 2).
378
379config CPU_SUBTYPE_SH7750R
380 bool "Support SH7750R processor"
381 select CPU_SH4
382
383config CPU_SUBTYPE_SH7750S
384 bool "Support SH7750S processor"
385 select CPU_SH4
386
387config CPU_SUBTYPE_SH7751
388 bool "Support SH7751 processor"
389 select CPU_SH4
390 help
391 Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
392 or if you have a HD6417751R CPU.
393
394config CPU_SUBTYPE_SH7751R
395 bool "Support SH7751R processor"
396 select CPU_SH4
397
398config CPU_SUBTYPE_SH7760
399 bool "Support SH7760 processor"
400 select CPU_SH4
401
402config CPU_SUBTYPE_SH4_202
403 bool "Support SH4-202 processor"
404 select CPU_SH4
405
406# SH-4A Processor Support
407
178dd0cd
PM
408config CPU_SUBTYPE_SH7723
409 bool "Support SH7723 processor"
410 select CPU_SH4A
411 select CPU_SHX2
dc65a977 412 select ARCH_SHMOBILE
178dd0cd 413 select ARCH_SPARSEMEM_ENABLE
fbfa8934 414 select SYS_SUPPORTS_SH_CMT
f020c92d 415 select ARCH_WANT_OPTIONAL_GPIOLIB
16941a89 416 select PINCTRL
178dd0cd
PM
417 help
418 Select SH7723 if you have an SH-MobileR2 CPU.
419
0207a2ef
KM
420config CPU_SUBTYPE_SH7724
421 bool "Support SH7724 processor"
422 select CPU_SH4A
423 select CPU_SHX2
59fe700d 424 select ARCH_SHMOBILE
0207a2ef 425 select ARCH_SPARSEMEM_ENABLE
fbfa8934 426 select SYS_SUPPORTS_SH_CMT
f020c92d 427 select ARCH_WANT_OPTIONAL_GPIOLIB
18ebd228 428 select PINCTRL
0207a2ef
KM
429 help
430 Select SH7724 if you have an SH-MobileR2R CPU.
431
fea88a0c
NI
432config CPU_SUBTYPE_SH7734
433 bool "Support SH7734 processor"
434 select CPU_SH4A
435 select CPU_SHX2
436 select ARCH_WANT_OPTIONAL_GPIOLIB
2c172182 437 select PINCTRL
fea88a0c
NI
438 help
439 Select SH7734 if you have a SH4A SH7734 CPU.
440
c01f0f1a
YS
441config CPU_SUBTYPE_SH7757
442 bool "Support SH7757 processor"
443 select CPU_SH4A
444 select CPU_SHX2
f020c92d 445 select ARCH_WANT_OPTIONAL_GPIOLIB
eb61b772 446 select PINCTRL
c01f0f1a
YS
447 help
448 Select SH7757 if you have a SH4A SH7757 CPU.
449
7d740a06
YS
450config CPU_SUBTYPE_SH7763
451 bool "Support SH7763 processor"
452 select CPU_SH4A
7b61ca5d 453 select USB_OHCI_SH if USB_OHCI_HCD
7d740a06
YS
454 help
455 Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
456
b5f42db0
PM
457config CPU_SUBTYPE_SH7770
458 bool "Support SH7770 processor"
459 select CPU_SH4A
460
461config CPU_SUBTYPE_SH7780
462 bool "Support SH7780 processor"
463 select CPU_SH4A
464
465config CPU_SUBTYPE_SH7785
466 bool "Support SH7785 processor"
467 select CPU_SH4A
468 select CPU_SHX2
55ba99eb
KM
469 select ARCH_SPARSEMEM_ENABLE
470 select SYS_SUPPORTS_NUMA
f020c92d 471 select ARCH_WANT_OPTIONAL_GPIOLIB
77bd27b2 472 select PINCTRL
55ba99eb
KM
473
474config CPU_SUBTYPE_SH7786
475 bool "Support SH7786 processor"
476 select CPU_SH4A
37042fbd 477 select CPU_SHX3
8263a67e 478 select CPU_HAS_PTEAEX
2eb2a436 479 select GENERIC_CLOCKEVENTS_BROADCAST if SMP
f020c92d 480 select ARCH_WANT_OPTIONAL_GPIOLIB
7b61ca5d 481 select USB_OHCI_SH if USB_OHCI_HCD
7b61ca5d 482 select USB_EHCI_SH if USB_EHCI_HCD
c0fdbff9 483 select PINCTRL
b5f42db0
PM
484
485config CPU_SUBTYPE_SHX3
486 bool "Support SH-X3 processor"
487 select CPU_SH4A
488 select CPU_SHX3
5840263e 489 select GENERIC_CLOCKEVENTS_BROADCAST if SMP
742759ea 490 select ARCH_REQUIRE_GPIOLIB
3e347f08 491 select PINCTRL
b5f42db0
PM
492
493# SH4AL-DSP Processor Support
494
495config CPU_SUBTYPE_SH7343
496 bool "Support SH7343 processor"
497 select CPU_SH4AL_DSP
dc65a977 498 select ARCH_SHMOBILE
fbfa8934 499 select SYS_SUPPORTS_SH_CMT
b5f42db0
PM
500
501config CPU_SUBTYPE_SH7722
502 bool "Support SH7722 processor"
503 select CPU_SH4AL_DSP
504 select CPU_SHX2
dc65a977 505 select ARCH_SHMOBILE
b5f42db0
PM
506 select ARCH_SPARSEMEM_ENABLE
507 select SYS_SUPPORTS_NUMA
fbfa8934 508 select SYS_SUPPORTS_SH_CMT
f020c92d 509 select ARCH_WANT_OPTIONAL_GPIOLIB
ef97c3c1 510 select PINCTRL
9109a30e
MD
511
512config CPU_SUBTYPE_SH7366
513 bool "Support SH7366 processor"
514 select CPU_SH4AL_DSP
515 select CPU_SHX2
dc65a977 516 select ARCH_SHMOBILE
9109a30e
MD
517 select ARCH_SPARSEMEM_ENABLE
518 select SYS_SUPPORTS_NUMA
fbfa8934 519 select SYS_SUPPORTS_SH_CMT
b5f42db0 520
3cc000b5
PM
521endchoice
522
523endif
524
525if SUPERH64
526
527choice
528 prompt "Processor sub-type selection"
529
ea0e1a9a
PM
530# SH-5 Processor Support
531
532config CPU_SUBTYPE_SH5_101
533 bool "Support SH5-101 processor"
534 select CPU_SH5
535
536config CPU_SUBTYPE_SH5_103
537 bool "Support SH5-103 processor"
8ef97dd7 538 select CPU_SH5
ea0e1a9a 539
b5f42db0
PM
540endchoice
541
3cc000b5
PM
542endif
543
f3d22298 544source "arch/sh/mm/Kconfig"
939a24a6 545
4690bdc7 546source "arch/sh/Kconfig.cpu"
f3d22298 547
939a24a6 548source "arch/sh/boards/Kconfig"
32351a28 549
32351a28
PM
550menu "Timer and clock configuration"
551
cad82448
PM
552config SH_PCLK_FREQ
553 int "Peripheral clock frequency (in Hz)"
8152a74b 554 depends on SH_CLK_CPG_LEGACY
9d4436a6 555 default "31250000" if CPU_SUBTYPE_SH7619
8152a74b
PM
556 default "33333333" if CPU_SUBTYPE_SH7770 || \
557 CPU_SUBTYPE_SH7760 || \
558 CPU_SUBTYPE_SH7705 || \
559 CPU_SUBTYPE_SH7203 || \
560 CPU_SUBTYPE_SH7206 || \
561 CPU_SUBTYPE_SH7263 || \
43a1839c 562 CPU_SUBTYPE_MXG
05627486 563 default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
cad82448 564 default "66000000" if CPU_SUBTYPE_SH4_202
05627486 565 default "50000000"
1da177e4 566 help
cad82448
PM
567 This option is used to specify the peripheral clock frequency.
568 This is necessary for determining the reference clock value on
569 platforms lacking an RTC.
1da177e4 570
36aa1e32
PM
571config SH_CLK_CPG
572 def_bool y
573
253b0887 574config SH_CLK_CPG_LEGACY
36aa1e32 575 depends on SH_CLK_CPG
43a1839c 576 def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE && \
51ce3068 577 !CPU_SHX3 && !CPU_SUBTYPE_SH7757 && \
bcb86e0a
PM
578 !CPU_SUBTYPE_SH7734 && !CPU_SUBTYPE_SH7264 && \
579 !CPU_SUBTYPE_SH7269
253b0887 580
32351a28
PM
581endmenu
582
cad82448 583menu "CPU Frequency scaling"
cad82448 584source "drivers/cpufreq/Kconfig"
cad82448
PM
585endmenu
586
9f5e8eee
PM
587source "arch/sh/drivers/Kconfig"
588
cad82448 589endmenu
1da177e4 590
cad82448
PM
591menu "Kernel features"
592
91b91d01
PM
593source kernel/Kconfig.hz
594
cad82448
PM
595config KEXEC
596 bool "kexec system call (EXPERIMENTAL)"
0d57af1e 597 depends on SUPERH32 && MMU
12db5562
VG
598 select CRYPTO
599 select CRYPTO_SHA256
1da177e4 600 help
cad82448
PM
601 kexec is a system call that implements the ability to shutdown your
602 current kernel, and to start another kernel. It is like a reboot
1f1332f7 603 but it is independent of the system firmware. And like a reboot
cad82448
PM
604 you can start any kernel with it, not just Linux.
605
1f1332f7 606 The name comes from the similarity to the exec system call.
cad82448
PM
607
608 It is an ongoing process to be certain the hardware in a machine
609 is properly shutdown, so do not be surprised if this code does not
bf220695
GU
610 initially work for you. As of this writing the exact hardware
611 interface is strongly in flux, so no good recommendation can be
612 made.
cad82448 613
4d5ade5b
PM
614config CRASH_DUMP
615 bool "kernel crash dumps (EXPERIMENTAL)"
0d57af1e 616 depends on SUPERH32 && BROKEN_ON_SMP
4d5ade5b
PM
617 help
618 Generate crash dump after being started by kexec.
619 This should be normally only set in special crash dump kernels
620 which are loaded in the main kernel with kexec-tools into
621 a specially reserved region and then later executed after
622 a crash by kdump/kexec. The crash dump kernel must be compiled
623 to a memory address not used by the main kernel using
e66ac3f2 624 PHYSICAL_START.
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625
626 For more details see Documentation/kdump/kdump.txt
627
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628config KEXEC_JUMP
629 bool "kexec jump (EXPERIMENTAL)"
0d57af1e 630 depends on SUPERH32 && KEXEC && HIBERNATION
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631 help
632 Jump between original kernel and kexeced kernel and invoke
633 code via KEXEC
634
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635config PHYSICAL_START
636 hex "Physical address where the kernel is loaded" if (EXPERT || CRASH_DUMP)
637 default MEMORY_START
638 ---help---
639 This gives the physical address where the kernel is loaded
640 and is ordinarily the same as MEMORY_START.
641
642 Different values are primarily used in the case of kexec on panic
643 where the fail safe kernel needs to run at a different address
644 than the panic-ed kernel.
645
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646config SECCOMP
647 bool "Enable seccomp to safely compute untrusted bytecode"
648 depends on PROC_FS
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649 help
650 This kernel feature is useful for number crunching applications
651 that may need to compute untrusted bytecode during their
652 execution. By using pipes or other transports made available to
653 the process as file descriptors supporting the read/write
654 syscalls, it's possible to isolate those applications in
655 their own address space using seccomp. Once seccomp is
656 enabled via prctl, it cannot be disabled and the task is only
657 allowed to execute a few safe syscalls defined by each seccomp
658 mode.
659
660 If unsure, say N.
661
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662config SMP
663 bool "Symmetric multi-processing support"
357d5946 664 depends on SYS_SUPPORTS_SMP
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665 ---help---
666 This enables support for systems with more than one CPU. If you have
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667 a system with only one CPU, say N. If you have a system with more
668 than one CPU, say Y.
1da177e4 669
4a474157 670 If you say N here, the kernel will run on uni- and multiprocessor
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671 machines, but will use only one CPU of a multiprocessor machine. If
672 you say Y here, the kernel will run on many, but not all,
4a474157 673 uniprocessor machines. On a uniprocessor machine, the kernel
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674 will run faster if you say N here.
675
676 People using multiprocessor machines who say Y here should also say
677 Y to "Enhanced Real Time Clock Support", below.
678
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679 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
680 available at <http://www.tldp.org/docs.html#howto>.
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681
682 If you don't know what to do here, say N.
683
684config NR_CPUS
685 int "Maximum number of CPUs (2-32)"
686 range 2 32
687 depends on SMP
2eb2a436 688 default "4" if CPU_SUBTYPE_SHX3
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689 default "2"
690 help
691 This allows you to specify the maximum number of CPUs which this
692 kernel will support. The maximum supported value is 32 and the
693 minimum value which makes sense is 2.
694
695 This is purely to save memory - each supported CPU adds
696 approximately eight kilobytes to the kernel image.
697
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698config HOTPLUG_CPU
699 bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
40b31360 700 depends on SMP
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701 help
702 Say Y here to experiment with turning CPUs off and on. CPUs
703 can be controlled through /sys/devices/system/cpu.
704
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705source "kernel/Kconfig.preempt"
706
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707config GUSA
708 def_bool y
1efe4ce3 709 depends on !SMP && SUPERH32
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710 help
711 This enables support for gUSA (general UserSpace Atomicity).
712 This is the default implementation for both UP and non-ll/sc
713 CPUs, and is used by the libc, amongst others.
714
715 For additional information, design information can be found
716 in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
717
718 This should only be disabled for special cases where alternate
719 atomicity implementations exist.
720
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721config GUSA_RB
722 bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
723 depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
724 help
725 Enabling this option will allow the kernel to implement some
692105b8 726 atomic operations using a software implementation of load-locked/
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727 store-conditional (LLSC). On machines which do not have hardware
728 LLSC, this should be more efficient than the other alternative of
692105b8 729 disabling interrupts around the atomic sequence.
1efe4ce3 730
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731config HW_PERF_EVENTS
732 bool "Enable hardware performance counter support for perf events"
733 depends on PERF_EVENTS && CPU_HAS_PMU
734 default y
735 help
736 Enable hardware performance counter support for perf events. If
737 disabled, perf events will use software events only.
738
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739source "drivers/sh/Kconfig"
740
cad82448 741endmenu
1da177e4 742
cad82448 743menu "Boot options"
1da177e4 744
cad82448 745config ZERO_PAGE_OFFSET
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746 hex
747 default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \
748 SH_7751_SOLUTION_ENGINE
749 default "0x00004000" if PAGE_SIZE_16KB || SH_SH03
7a847f81 750 default "0x00002000" if PAGE_SIZE_8KB
cad82448 751 default "0x00001000"
1da177e4 752 help
cad82448 753 This sets the default offset of zero page.
1da177e4 754
cad82448 755config BOOT_LINK_OFFSET
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756 hex
757 default "0x00210000" if SH_SHMIN
a2e76c80 758 default "0x00400000" if SH_CAYMAN
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759 default "0x00810000" if SH_7780_SOLUTION_ENGINE
760 default "0x009e0000" if SH_TITAN
761 default "0x01800000" if SH_SDK7780
762 default "0x02000000" if SH_EDOSK7760
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763 default "0x00800000"
764 help
765 This option allows you to set the link address offset of the zImage.
766 This can be useful if you are on a board which has a small amount of
767 memory.
1da177e4 768
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769config ENTRY_OFFSET
770 hex
771 default "0x00001000" if PAGE_SIZE_4KB
772 default "0x00002000" if PAGE_SIZE_8KB
773 default "0x00004000" if PAGE_SIZE_16KB
774 default "0x00010000" if PAGE_SIZE_64KB
775 default "0x00000000"
776
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777config ROMIMAGE_MMCIF
778 bool "Include MMCIF loader in romImage (EXPERIMENTAL)"
0d57af1e 779 depends on CPU_SUBTYPE_SH7724
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780 help
781 Say Y here to include experimental MMCIF loading code in
782 romImage. With this enabled it is possible to write the romImage
783 kernel image to an MMC card and boot the kernel straight from
784 the reset vector. At reset the processor Mask ROM will load the
785 first part of the romImage which in turn loads the rest the kernel
786 image to RAM using the MMCIF hardware block.
787
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788choice
789 prompt "Kernel command line"
790 optional
791 default CMDLINE_OVERWRITE
792 help
793 Setting this option allows the kernel command line arguments
794 to be set.
795
796config CMDLINE_OVERWRITE
797 bool "Overwrite bootloader kernel arguments"
798 help
799 Given string will overwrite any arguments passed in by
800 a bootloader.
801
802config CMDLINE_EXTEND
803 bool "Extend bootloader kernel arguments"
804 help
805 Given string will be concatenated with arguments passed in
806 by a bootloader.
807
808endchoice
1da177e4 809
cad82448 810config CMDLINE
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811 string "Kernel command line arguments string"
812 depends on CMDLINE_OVERWRITE || CMDLINE_EXTEND
cad82448 813 default "console=ttySC1,115200"
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814
815endmenu
816
cad82448 817menu "Bus options"
1da177e4 818
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819config SUPERHYWAY
820 tristate "SuperHyway Bus support"
821 depends on CPU_SUBTYPE_SH4_202
1da177e4 822
17be2d2b 823config MAPLE
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824 bool "Maple Bus support"
825 depends on SH_DREAMCAST
826 help
827 The Maple Bus is SEGA's serial communication bus for peripherals
828 on the Dreamcast. Without this bus support you won't be able to
829 get your Dreamcast keyboard etc to work, so most users
830 probably want to say 'Y' here, unless you are only using the
831 Dreamcast with a serial line terminal or a remote network
832 connection.
17be2d2b 833
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834config PCI
835 bool "PCI support"
836 depends on SYS_SUPPORTS_PCI
320e68da 837 select PCI_DOMAINS
43db595e 838 select GENERIC_PCI_IOMAP
1e05b62a 839 select NO_GENERIC_PCI_IOPORT_MAP
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840 help
841 Find out whether you have a PCI motherboard. PCI is the name of a
842 bus system, i.e. the way the CPU talks to the other stuff inside
843 your box. If you have PCI, say Y, otherwise N.
1da177e4 844
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845config PCI_DOMAINS
846 bool
847
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848source "drivers/pci/pcie/Kconfig"
849
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850source "drivers/pci/Kconfig"
851
852source "drivers/pcmcia/Kconfig"
853
854source "drivers/pci/hotplug/Kconfig"
855
856endmenu
857
858menu "Executable file formats"
859
860source "fs/Kconfig.binfmt"
861
862endmenu
863
3aa770e7 864menu "Power management options (EXPERIMENTAL)"
f4cb5700 865
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866source "kernel/power/Kconfig"
867
868source "drivers/cpuidle/Kconfig"
3aa770e7 869
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870endmenu
871
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872source "net/Kconfig"
873
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874source "drivers/Kconfig"
875
876source "fs/Kconfig"
877
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878source "arch/sh/Kconfig.debug"
879
880source "security/Kconfig"
881
882source "crypto/Kconfig"
883
884source "lib/Kconfig"
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