Merge tag 'ceph-for-4.9-rc2' of git://github.com/ceph/ceph-client
[linux-2.6-block.git] / arch / sh / Kconfig
CommitLineData
1da177e4 1config SUPERH
ea0e1a9a 2 def_bool y
45624ac3 3 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
09d8dd93 4 select ARCH_MIGHT_HAVE_PC_PARPORT
560b8c0e 5 select HAVE_PATA_PLATFORM
6d803ba7 6 select CLKDEV_LOOKUP
ce816fa8 7 select HAVE_IDE if HAS_IOPORT_MAP
95f72d1e 8 select HAVE_MEMBLOCK
534cfbee 9 select HAVE_MEMBLOCK_NODE_MAP
adaf7fd2 10 select ARCH_DISCARD_MEMBLOCK
42d4b839 11 select HAVE_OPROFILE
9de90ac2 12 select HAVE_GENERIC_DMA_COHERENT
d7b01f78 13 select HAVE_ARCH_TRACEHOOK
f802d969 14 select HAVE_DMA_API_DEBUG
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
fff7fb0b 23 select CPU_NO_EFFICIENT_FFS
07e88e1b
PM
24 select HAVE_KERNEL_BZIP2
25 select HAVE_KERNEL_LZMA
50cfa79d 26 select HAVE_KERNEL_XZ
c7b16efb 27 select HAVE_KERNEL_LZO
af1839eb 28 select HAVE_UID16
c1d7e01d 29 select ARCH_WANT_IPC_PARSE_VERSION
a74f7e04 30 select HAVE_SYSCALL_TRACEPOINTS
eaaaeef3 31 select HAVE_REGS_AND_STACK_ACCESS_API
2ed86b16 32 select MAY_HAVE_SPARSE_IRQ
ed170924 33 select IRQ_FORCED_THREADING
6eac1af0 34 select RTC_LIB
f01789c6 35 select GENERIC_ATOMIC64
3d44ae40 36 select GENERIC_IRQ_SHOW
ea0588cb 37 select GENERIC_SMP_IDLE_THREAD
dc775dd8 38 select GENERIC_IDLE_POLL_SETUP
8cf200d8
AMG
39 select GENERIC_CLOCKEVENTS
40 select GENERIC_CMOS_UPDATE if SH_SH03 || SH_DREAMCAST
b46ed370 41 select GENERIC_SCHED_CLOCK
0e100e11 42 select GENERIC_STRNCPY_FROM_USER
cba8df4b 43 select GENERIC_STRNLEN_USER
786d35d4
DH
44 select HAVE_MOD_ARCH_SPECIFIC if DWARF_UNWINDER
45 select MODULES_USE_ELF_RELA
881e252d 46 select OLD_SIGSUSPEND
0679a858 47 select OLD_SIGACTION
7a017721 48 select HAVE_ARCH_AUDITSYSCALL
72cc564f 49 select HAVE_FUTEX_CMPXCHG if FUTEX
42a0bb3f 50 select HAVE_NMI
1da177e4
LT
51 help
52 The SuperH is a RISC processor targeted for use in embedded systems
53 and consumer electronics; it was also used in the Sega Dreamcast
54 gaming console. The SuperH port has a home page at
55 <http://www.linux-sh.org/>.
56
39d28a2d 57config SUPERH32
3cc000b5 58 def_bool ARCH = "sh"
d39f5450
CS
59 select HAVE_KPROBES
60 select HAVE_KRETPROBES
6d63e73d 61 select HAVE_IOREMAP_PROT if MMU && !X2TLB
694f94f2 62 select HAVE_FUNCTION_TRACER
fad57feb
MF
63 select HAVE_FTRACE_MCOUNT_RECORD
64 select HAVE_DYNAMIC_FTRACE
e4b053d9 65 select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE
c1d7e01d 66 select ARCH_WANT_IPC_PARSE_VERSION
327933f5 67 select HAVE_FUNCTION_GRAPH_TRACER
ab6e570b 68 select HAVE_ARCH_KGDB
6fbfe8d7 69 select HAVE_HW_BREAKPOINT
0102752e 70 select HAVE_MIXED_BREAKPOINTS_REGS
e583d6b3 71 select PERF_EVENTS
8dafc346 72 select ARCH_HIBERNATION_POSSIBLE if MMU
57b81330 73 select SPARSE_IRQ
19952a92 74 select HAVE_CC_STACKPROTECTOR
ea0e1a9a
PM
75
76config SUPERH64
3cc000b5 77 def_bool ARCH = "sh64"
5f56a5df 78 select HAVE_EXIT_THREAD
3a898c0f 79 select KALLSYMS
39d28a2d 80
f42b7e3d
PM
81config ARCH_DEFCONFIG
82 string
83 default "arch/sh/configs/shx3_defconfig" if SUPERH32
84 default "arch/sh/configs/cayman_defconfig" if SUPERH64
85
1da177e4 86config RWSEM_GENERIC_SPINLOCK
d7ef4fb3 87 def_bool y
1da177e4
LT
88
89config RWSEM_XCHGADD_ALGORITHM
90 bool
91
fa691511
PM
92config GENERIC_BUG
93 def_bool y
a82d53ec 94 depends on BUG && SUPERH32
fa691511 95
3767f3f1
PM
96config GENERIC_CSUM
97 def_bool y
98 depends on SUPERH64
99
e2268c71 100config GENERIC_HWEIGHT
d7ef4fb3 101 def_bool y
e2268c71 102
1da177e4 103config GENERIC_CALIBRATE_DELAY
cf204fa7 104 bool
1da177e4 105
bdcab87b
PM
106config GENERIC_LOCKBREAK
107 def_bool y
108 depends on SMP && PREEMPT
109
af998a9a
MD
110config ARCH_SUSPEND_POSSIBLE
111 def_bool n
112
113config ARCH_HIBERNATION_POSSIBLE
114 def_bool n
357d5946 115
0a9b0db1
PM
116config SYS_SUPPORTS_APM_EMULATION
117 bool
af998a9a 118 select ARCH_SUSPEND_POSSIBLE
357d5946 119
ffb4a73d
PM
120config SYS_SUPPORTS_HUGETLBFS
121 bool
122
357d5946
PM
123config SYS_SUPPORTS_SMP
124 bool
125
126config SYS_SUPPORTS_NUMA
127 bool
128
129config SYS_SUPPORTS_PCI
130 bool
0a9b0db1 131
afbfb52e 132config STACKTRACE_SUPPORT
d7ef4fb3 133 def_bool y
afbfb52e
PM
134
135config LOCKDEP_SUPPORT
d7ef4fb3 136 def_bool y
afbfb52e 137
f0d1b0b3 138config ARCH_HAS_ILOG2_U32
d7ef4fb3 139 def_bool n
f0d1b0b3
DH
140
141config ARCH_HAS_ILOG2_U64
d7ef4fb3 142 def_bool n
f0d1b0b3 143
ce816fa8 144config NO_IOPORT_MAP
37b7a978 145 def_bool !PCI
c30b9c43
PM
146 depends on !SH_CAYMAN && !SH_SH4202_MICRODEV && !SH_SHMIN && \
147 !SH_HP6XX && !SH_SOLUTION_ENGINE
86e4dd5a 148
e7cc9a73
MD
149config IO_TRAPPED
150 bool
151
b7e68d68
PM
152config SWAP_IO_SPACE
153 bool
154
01be5d63
PM
155config DMA_COHERENT
156 bool
157
158config DMA_NONCOHERENT
159 def_bool !DMA_COHERENT
160
5cabbb62
FT
161config NEED_DMA_MAP_STATE
162 def_bool DMA_NONCOHERENT
163
18e98307
FT
164config NEED_SG_DMA_LENGTH
165 def_bool y
166
69543d63
KS
167config PGTABLE_LEVELS
168 default 3 if X2TLB
169 default 2
170
1da177e4
LT
171source "init/Kconfig"
172
dc52ddc0
MH
173source "kernel/Kconfig.freezer"
174
1da177e4
LT
175menu "System type"
176
b5f42db0
PM
177#
178# Processor families
179#
180config CPU_SH2
181 bool
049d2804 182 select SH_INTC
b5f42db0
PM
183
184config CPU_SH2A
185 bool
186 select CPU_SH2
e2fcf74f 187 select UNCACHED_MAPPING
b5f42db0 188
5a846aba
RF
189config CPU_J2
190 bool
191 select CPU_SH2
192 select OF
193 select OF_EARLY_FLATTREE
194
b5f42db0
PM
195config CPU_SH3
196 bool
197 select CPU_HAS_INTEVT
198 select CPU_HAS_SR_RB
049d2804 199 select SH_INTC
fbfa8934 200 select SYS_SUPPORTS_SH_TMU
b5f42db0
PM
201
202config CPU_SH4
203 bool
204 select CPU_HAS_INTEVT
205 select CPU_HAS_SR_RB
b5f42db0 206 select CPU_HAS_FPU if !CPU_SH4AL_DSP
049d2804 207 select SH_INTC
fbfa8934 208 select SYS_SUPPORTS_SH_TMU
ffb4a73d 209 select SYS_SUPPORTS_HUGETLBFS if MMU
b5f42db0
PM
210
211config CPU_SH4A
212 bool
213 select CPU_SH4
214
215config CPU_SH4AL_DSP
216 bool
217 select CPU_SH4A
218 select CPU_HAS_DSP
219
ea0e1a9a
PM
220config CPU_SH5
221 bool
222 select CPU_HAS_FPU
fbfa8934 223 select SYS_SUPPORTS_SH_TMU
ffb4a73d 224 select SYS_SUPPORTS_HUGETLBFS if MMU
ea0e1a9a 225
b5f42db0
PM
226config CPU_SHX2
227 bool
228
229config CPU_SHX3
230 bool
01be5d63 231 select DMA_COHERENT
4b478ee2
PM
232 select SYS_SUPPORTS_SMP
233 select SYS_SUPPORTS_NUMA
b5f42db0 234
dc65a977
PM
235config ARCH_SHMOBILE
236 bool
77594912 237 select ARCH_SUSPEND_POSSIBLE
464ed18e 238 select PM
dc65a977 239
86c8c047
MF
240config CPU_HAS_PMU
241 depends on CPU_SH4 || CPU_SH4A
242 default y
243 bool
244
3cc000b5
PM
245if SUPERH32
246
b5f42db0
PM
247choice
248 prompt "Processor sub-type selection"
249
250#
251# Processor subtypes
252#
253
254# SH-2 Processor Support
255
256config CPU_SUBTYPE_SH7619
257 bool "Support SH7619 processor"
258 select CPU_SH2
fbfa8934 259 select SYS_SUPPORTS_SH_CMT
b5f42db0 260
5a846aba
RF
261config CPU_SUBTYPE_J2
262 bool "Support J2 processor"
263 select CPU_J2
b4214e41
RF
264 select SYS_SUPPORTS_SMP
265 select GENERIC_CLOCKEVENTS_BROADCAST if SMP
5a846aba 266
b5f42db0
PM
267# SH-2A Processor Support
268
2825999e
PG
269config CPU_SUBTYPE_SH7201
270 bool "Support SH7201 processor"
271 select CPU_SH2A
272 select CPU_HAS_FPU
fbfa8934 273 select SYS_SUPPORTS_SH_MTU2
2825999e 274
6d01f510
PM
275config CPU_SUBTYPE_SH7203
276 bool "Support SH7203 processor"
277 select CPU_SH2A
74d99a5e 278 select CPU_HAS_FPU
fbfa8934
MD
279 select SYS_SUPPORTS_SH_CMT
280 select SYS_SUPPORTS_SH_MTU2
b768ecbc 281 select PINCTRL
6d01f510 282
b5f42db0
PM
283config CPU_SUBTYPE_SH7206
284 bool "Support SH7206 processor"
285 select CPU_SH2A
fbfa8934
MD
286 select SYS_SUPPORTS_SH_CMT
287 select SYS_SUPPORTS_SH_MTU2
b5f42db0 288
a8f67f4b
PM
289config CPU_SUBTYPE_SH7263
290 bool "Support SH7263 processor"
291 select CPU_SH2A
74d99a5e 292 select CPU_HAS_FPU
fbfa8934
MD
293 select SYS_SUPPORTS_SH_CMT
294 select SYS_SUPPORTS_SH_MTU2
a8f67f4b 295
51ce3068
PE
296config CPU_SUBTYPE_SH7264
297 bool "Support SH7264 processor"
298 select CPU_SH2A
299 select CPU_HAS_FPU
fbfa8934
MD
300 select SYS_SUPPORTS_SH_CMT
301 select SYS_SUPPORTS_SH_MTU2
5946e7bb 302 select PINCTRL
51ce3068 303
0b25b7c8
PE
304config CPU_SUBTYPE_SH7269
305 bool "Support SH7269 processor"
306 select CPU_SH2A
307 select CPU_HAS_FPU
fbfa8934
MD
308 select SYS_SUPPORTS_SH_CMT
309 select SYS_SUPPORTS_SH_MTU2
fb872fcc 310 select PINCTRL
0b25b7c8 311
2ad69908
PM
312config CPU_SUBTYPE_MXG
313 bool "Support MX-G processor"
314 select CPU_SH2A
fbfa8934 315 select SYS_SUPPORTS_SH_MTU2
2ad69908
PM
316 help
317 Select MX-G if running on an R8A03022BG part.
318
b5f42db0
PM
319# SH-3 Processor Support
320
321config CPU_SUBTYPE_SH7705
322 bool "Support SH7705 processor"
323 select CPU_SH3
324
325config CPU_SUBTYPE_SH7706
326 bool "Support SH7706 processor"
327 select CPU_SH3
328 help
329 Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
330
331config CPU_SUBTYPE_SH7707
332 bool "Support SH7707 processor"
333 select CPU_SH3
334 help
335 Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
336
337config CPU_SUBTYPE_SH7708
338 bool "Support SH7708 processor"
339 select CPU_SH3
340 help
341 Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
342 if you have a 100 Mhz SH-3 HD6417708R CPU.
343
344config CPU_SUBTYPE_SH7709
345 bool "Support SH7709 processor"
346 select CPU_SH3
347 help
348 Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
349
350config CPU_SUBTYPE_SH7710
351 bool "Support SH7710 processor"
352 select CPU_SH3
353 select CPU_HAS_DSP
354 help
355 Select SH7710 if you have a SH3-DSP SH7710 CPU.
356
357config CPU_SUBTYPE_SH7712
358 bool "Support SH7712 processor"
359 select CPU_SH3
360 select CPU_HAS_DSP
361 help
362 Select SH7712 if you have a SH3-DSP SH7712 CPU.
363
364config CPU_SUBTYPE_SH7720
365 bool "Support SH7720 processor"
366 select CPU_SH3
367 select CPU_HAS_DSP
fbfa8934 368 select SYS_SUPPORTS_SH_CMT
7b61ca5d 369 select USB_OHCI_SH if USB_OHCI_HCD
85db6bff 370 select PINCTRL
b5f42db0
PM
371 help
372 Select SH7720 if you have a SH3-DSP SH7720 CPU.
373
31a49c4b
YS
374config CPU_SUBTYPE_SH7721
375 bool "Support SH7721 processor"
376 select CPU_SH3
377 select CPU_HAS_DSP
fbfa8934 378 select SYS_SUPPORTS_SH_CMT
7b61ca5d 379 select USB_OHCI_SH if USB_OHCI_HCD
31a49c4b
YS
380 help
381 Select SH7721 if you have a SH3-DSP SH7721 CPU.
382
b5f42db0
PM
383# SH-4 Processor Support
384
385config CPU_SUBTYPE_SH7750
386 bool "Support SH7750 processor"
387 select CPU_SH4
388 help
389 Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
390
391config CPU_SUBTYPE_SH7091
392 bool "Support SH7091 processor"
393 select CPU_SH4
394 help
395 Select SH7091 if you have an SH-4 based Sega device (such as
396 the Dreamcast, Naomi, and Naomi 2).
397
398config CPU_SUBTYPE_SH7750R
399 bool "Support SH7750R processor"
400 select CPU_SH4
401
402config CPU_SUBTYPE_SH7750S
403 bool "Support SH7750S processor"
404 select CPU_SH4
405
406config CPU_SUBTYPE_SH7751
407 bool "Support SH7751 processor"
408 select CPU_SH4
409 help
410 Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
411 or if you have a HD6417751R CPU.
412
413config CPU_SUBTYPE_SH7751R
414 bool "Support SH7751R processor"
415 select CPU_SH4
416
417config CPU_SUBTYPE_SH7760
418 bool "Support SH7760 processor"
419 select CPU_SH4
420
421config CPU_SUBTYPE_SH4_202
422 bool "Support SH4-202 processor"
423 select CPU_SH4
424
425# SH-4A Processor Support
426
178dd0cd
PM
427config CPU_SUBTYPE_SH7723
428 bool "Support SH7723 processor"
429 select CPU_SH4A
430 select CPU_SHX2
dc65a977 431 select ARCH_SHMOBILE
178dd0cd 432 select ARCH_SPARSEMEM_ENABLE
fbfa8934 433 select SYS_SUPPORTS_SH_CMT
16941a89 434 select PINCTRL
178dd0cd
PM
435 help
436 Select SH7723 if you have an SH-MobileR2 CPU.
437
0207a2ef
KM
438config CPU_SUBTYPE_SH7724
439 bool "Support SH7724 processor"
440 select CPU_SH4A
441 select CPU_SHX2
59fe700d 442 select ARCH_SHMOBILE
0207a2ef 443 select ARCH_SPARSEMEM_ENABLE
fbfa8934 444 select SYS_SUPPORTS_SH_CMT
18ebd228 445 select PINCTRL
0207a2ef
KM
446 help
447 Select SH7724 if you have an SH-MobileR2R CPU.
448
fea88a0c
NI
449config CPU_SUBTYPE_SH7734
450 bool "Support SH7734 processor"
451 select CPU_SH4A
452 select CPU_SHX2
2c172182 453 select PINCTRL
fea88a0c
NI
454 help
455 Select SH7734 if you have a SH4A SH7734 CPU.
456
c01f0f1a
YS
457config CPU_SUBTYPE_SH7757
458 bool "Support SH7757 processor"
459 select CPU_SH4A
460 select CPU_SHX2
eb61b772 461 select PINCTRL
c01f0f1a
YS
462 help
463 Select SH7757 if you have a SH4A SH7757 CPU.
464
7d740a06
YS
465config CPU_SUBTYPE_SH7763
466 bool "Support SH7763 processor"
467 select CPU_SH4A
7b61ca5d 468 select USB_OHCI_SH if USB_OHCI_HCD
7d740a06
YS
469 help
470 Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
471
b5f42db0
PM
472config CPU_SUBTYPE_SH7770
473 bool "Support SH7770 processor"
474 select CPU_SH4A
475
476config CPU_SUBTYPE_SH7780
477 bool "Support SH7780 processor"
478 select CPU_SH4A
479
480config CPU_SUBTYPE_SH7785
481 bool "Support SH7785 processor"
482 select CPU_SH4A
483 select CPU_SHX2
55ba99eb
KM
484 select ARCH_SPARSEMEM_ENABLE
485 select SYS_SUPPORTS_NUMA
77bd27b2 486 select PINCTRL
55ba99eb
KM
487
488config CPU_SUBTYPE_SH7786
489 bool "Support SH7786 processor"
490 select CPU_SH4A
37042fbd 491 select CPU_SHX3
8263a67e 492 select CPU_HAS_PTEAEX
2eb2a436 493 select GENERIC_CLOCKEVENTS_BROADCAST if SMP
7b61ca5d 494 select USB_OHCI_SH if USB_OHCI_HCD
7b61ca5d 495 select USB_EHCI_SH if USB_EHCI_HCD
c0fdbff9 496 select PINCTRL
b5f42db0
PM
497
498config CPU_SUBTYPE_SHX3
499 bool "Support SH-X3 processor"
500 select CPU_SH4A
501 select CPU_SHX3
5840263e 502 select GENERIC_CLOCKEVENTS_BROADCAST if SMP
fdcfdfa1 503 select GPIOLIB
3e347f08 504 select PINCTRL
b5f42db0
PM
505
506# SH4AL-DSP Processor Support
507
508config CPU_SUBTYPE_SH7343
509 bool "Support SH7343 processor"
510 select CPU_SH4AL_DSP
dc65a977 511 select ARCH_SHMOBILE
fbfa8934 512 select SYS_SUPPORTS_SH_CMT
b5f42db0
PM
513
514config CPU_SUBTYPE_SH7722
515 bool "Support SH7722 processor"
516 select CPU_SH4AL_DSP
517 select CPU_SHX2
dc65a977 518 select ARCH_SHMOBILE
b5f42db0
PM
519 select ARCH_SPARSEMEM_ENABLE
520 select SYS_SUPPORTS_NUMA
fbfa8934 521 select SYS_SUPPORTS_SH_CMT
ef97c3c1 522 select PINCTRL
9109a30e
MD
523
524config CPU_SUBTYPE_SH7366
525 bool "Support SH7366 processor"
526 select CPU_SH4AL_DSP
527 select CPU_SHX2
dc65a977 528 select ARCH_SHMOBILE
9109a30e
MD
529 select ARCH_SPARSEMEM_ENABLE
530 select SYS_SUPPORTS_NUMA
fbfa8934 531 select SYS_SUPPORTS_SH_CMT
b5f42db0 532
3cc000b5
PM
533endchoice
534
535endif
536
537if SUPERH64
538
539choice
540 prompt "Processor sub-type selection"
541
ea0e1a9a
PM
542# SH-5 Processor Support
543
544config CPU_SUBTYPE_SH5_101
545 bool "Support SH5-101 processor"
546 select CPU_SH5
547
548config CPU_SUBTYPE_SH5_103
549 bool "Support SH5-103 processor"
8ef97dd7 550 select CPU_SH5
ea0e1a9a 551
b5f42db0
PM
552endchoice
553
3cc000b5
PM
554endif
555
f3d22298 556source "arch/sh/mm/Kconfig"
939a24a6 557
4690bdc7 558source "arch/sh/Kconfig.cpu"
f3d22298 559
939a24a6 560source "arch/sh/boards/Kconfig"
32351a28 561
32351a28
PM
562menu "Timer and clock configuration"
563
cad82448
PM
564config SH_PCLK_FREQ
565 int "Peripheral clock frequency (in Hz)"
8152a74b 566 depends on SH_CLK_CPG_LEGACY
9d4436a6 567 default "31250000" if CPU_SUBTYPE_SH7619
8152a74b
PM
568 default "33333333" if CPU_SUBTYPE_SH7770 || \
569 CPU_SUBTYPE_SH7760 || \
570 CPU_SUBTYPE_SH7705 || \
571 CPU_SUBTYPE_SH7203 || \
572 CPU_SUBTYPE_SH7206 || \
573 CPU_SUBTYPE_SH7263 || \
43a1839c 574 CPU_SUBTYPE_MXG
05627486 575 default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
cad82448 576 default "66000000" if CPU_SUBTYPE_SH4_202
05627486 577 default "50000000"
1da177e4 578 help
cad82448
PM
579 This option is used to specify the peripheral clock frequency.
580 This is necessary for determining the reference clock value on
581 platforms lacking an RTC.
1da177e4 582
36aa1e32
PM
583config SH_CLK_CPG
584 def_bool y
585
253b0887 586config SH_CLK_CPG_LEGACY
36aa1e32 587 depends on SH_CLK_CPG
43a1839c 588 def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE && \
51ce3068 589 !CPU_SHX3 && !CPU_SUBTYPE_SH7757 && \
bcb86e0a
PM
590 !CPU_SUBTYPE_SH7734 && !CPU_SUBTYPE_SH7264 && \
591 !CPU_SUBTYPE_SH7269
253b0887 592
32351a28
PM
593endmenu
594
cad82448 595menu "CPU Frequency scaling"
cad82448 596source "drivers/cpufreq/Kconfig"
cad82448
PM
597endmenu
598
9f5e8eee
PM
599source "arch/sh/drivers/Kconfig"
600
cad82448 601endmenu
1da177e4 602
cad82448
PM
603menu "Kernel features"
604
91b91d01
PM
605source kernel/Kconfig.hz
606
cad82448
PM
607config KEXEC
608 bool "kexec system call (EXPERIMENTAL)"
0d57af1e 609 depends on SUPERH32 && MMU
2965faa5 610 select KEXEC_CORE
1da177e4 611 help
cad82448
PM
612 kexec is a system call that implements the ability to shutdown your
613 current kernel, and to start another kernel. It is like a reboot
1f1332f7 614 but it is independent of the system firmware. And like a reboot
cad82448
PM
615 you can start any kernel with it, not just Linux.
616
1f1332f7 617 The name comes from the similarity to the exec system call.
cad82448
PM
618
619 It is an ongoing process to be certain the hardware in a machine
620 is properly shutdown, so do not be surprised if this code does not
bf220695
GU
621 initially work for you. As of this writing the exact hardware
622 interface is strongly in flux, so no good recommendation can be
623 made.
cad82448 624
4d5ade5b
PM
625config CRASH_DUMP
626 bool "kernel crash dumps (EXPERIMENTAL)"
0d57af1e 627 depends on SUPERH32 && BROKEN_ON_SMP
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628 help
629 Generate crash dump after being started by kexec.
630 This should be normally only set in special crash dump kernels
631 which are loaded in the main kernel with kexec-tools into
632 a specially reserved region and then later executed after
633 a crash by kdump/kexec. The crash dump kernel must be compiled
634 to a memory address not used by the main kernel using
e66ac3f2 635 PHYSICAL_START.
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636
637 For more details see Documentation/kdump/kdump.txt
638
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639config KEXEC_JUMP
640 bool "kexec jump (EXPERIMENTAL)"
0d57af1e 641 depends on SUPERH32 && KEXEC && HIBERNATION
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642 help
643 Jump between original kernel and kexeced kernel and invoke
644 code via KEXEC
645
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646config PHYSICAL_START
647 hex "Physical address where the kernel is loaded" if (EXPERT || CRASH_DUMP)
648 default MEMORY_START
649 ---help---
650 This gives the physical address where the kernel is loaded
651 and is ordinarily the same as MEMORY_START.
652
653 Different values are primarily used in the case of kexec on panic
654 where the fail safe kernel needs to run at a different address
655 than the panic-ed kernel.
656
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657config SECCOMP
658 bool "Enable seccomp to safely compute untrusted bytecode"
659 depends on PROC_FS
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660 help
661 This kernel feature is useful for number crunching applications
662 that may need to compute untrusted bytecode during their
663 execution. By using pipes or other transports made available to
664 the process as file descriptors supporting the read/write
665 syscalls, it's possible to isolate those applications in
666 their own address space using seccomp. Once seccomp is
667 enabled via prctl, it cannot be disabled and the task is only
668 allowed to execute a few safe syscalls defined by each seccomp
669 mode.
670
671 If unsure, say N.
672
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673config SMP
674 bool "Symmetric multi-processing support"
357d5946 675 depends on SYS_SUPPORTS_SMP
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676 ---help---
677 This enables support for systems with more than one CPU. If you have
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678 a system with only one CPU, say N. If you have a system with more
679 than one CPU, say Y.
1da177e4 680
4a474157 681 If you say N here, the kernel will run on uni- and multiprocessor
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682 machines, but will use only one CPU of a multiprocessor machine. If
683 you say Y here, the kernel will run on many, but not all,
4a474157 684 uniprocessor machines. On a uniprocessor machine, the kernel
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685 will run faster if you say N here.
686
687 People using multiprocessor machines who say Y here should also say
688 Y to "Enhanced Real Time Clock Support", below.
689
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690 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
691 available at <http://www.tldp.org/docs.html#howto>.
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692
693 If you don't know what to do here, say N.
694
695config NR_CPUS
696 int "Maximum number of CPUs (2-32)"
697 range 2 32
698 depends on SMP
2eb2a436 699 default "4" if CPU_SUBTYPE_SHX3
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700 default "2"
701 help
702 This allows you to specify the maximum number of CPUs which this
703 kernel will support. The maximum supported value is 32 and the
704 minimum value which makes sense is 2.
705
706 This is purely to save memory - each supported CPU adds
707 approximately eight kilobytes to the kernel image.
708
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709config HOTPLUG_CPU
710 bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
40b31360 711 depends on SMP
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712 help
713 Say Y here to experiment with turning CPUs off and on. CPUs
714 can be controlled through /sys/devices/system/cpu.
715
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716source "kernel/Kconfig.preempt"
717
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718config GUSA
719 def_bool y
1efe4ce3 720 depends on !SMP && SUPERH32
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721 help
722 This enables support for gUSA (general UserSpace Atomicity).
723 This is the default implementation for both UP and non-ll/sc
724 CPUs, and is used by the libc, amongst others.
725
726 For additional information, design information can be found
727 in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
728
729 This should only be disabled for special cases where alternate
730 atomicity implementations exist.
731
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732config GUSA_RB
733 bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
734 depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
735 help
736 Enabling this option will allow the kernel to implement some
692105b8 737 atomic operations using a software implementation of load-locked/
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738 store-conditional (LLSC). On machines which do not have hardware
739 LLSC, this should be more efficient than the other alternative of
692105b8 740 disabling interrupts around the atomic sequence.
1efe4ce3 741
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742config HW_PERF_EVENTS
743 bool "Enable hardware performance counter support for perf events"
744 depends on PERF_EVENTS && CPU_HAS_PMU
745 default y
746 help
747 Enable hardware performance counter support for perf events. If
748 disabled, perf events will use software events only.
749
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750source "drivers/sh/Kconfig"
751
cad82448 752endmenu
1da177e4 753
cad82448 754menu "Boot options"
1da177e4 755
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756config USE_BUILTIN_DTB
757 bool "Use builtin DTB"
758 default n
759 depends on SH_DEVICE_TREE
760 help
761 Link a device tree blob for particular hardware into the kernel,
762 suppressing use of the DTB pointer provided by the bootloader.
763 This option should only be used with legacy bootloaders that are
764 not capable of providing a DTB to the kernel, or for experimental
765 hardware without stable device tree bindings.
766
767config BUILTIN_DTB_SOURCE
768 string "Source file for builtin DTB"
769 default ""
770 depends on USE_BUILTIN_DTB
771 help
772 Base name (without suffix, relative to arch/sh/boot/dts) for the
773 a DTS file that will be used to produce the DTB linked into the
774 kernel.
775
cad82448 776config ZERO_PAGE_OFFSET
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777 hex
778 default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \
779 SH_7751_SOLUTION_ENGINE
780 default "0x00004000" if PAGE_SIZE_16KB || SH_SH03
7a847f81 781 default "0x00002000" if PAGE_SIZE_8KB
cad82448 782 default "0x00001000"
1da177e4 783 help
cad82448 784 This sets the default offset of zero page.
1da177e4 785
cad82448 786config BOOT_LINK_OFFSET
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787 hex
788 default "0x00210000" if SH_SHMIN
a2e76c80 789 default "0x00400000" if SH_CAYMAN
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790 default "0x00810000" if SH_7780_SOLUTION_ENGINE
791 default "0x009e0000" if SH_TITAN
792 default "0x01800000" if SH_SDK7780
793 default "0x02000000" if SH_EDOSK7760
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794 default "0x00800000"
795 help
796 This option allows you to set the link address offset of the zImage.
797 This can be useful if you are on a board which has a small amount of
798 memory.
1da177e4 799
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800config ENTRY_OFFSET
801 hex
802 default "0x00001000" if PAGE_SIZE_4KB
803 default "0x00002000" if PAGE_SIZE_8KB
804 default "0x00004000" if PAGE_SIZE_16KB
805 default "0x00010000" if PAGE_SIZE_64KB
806 default "0x00000000"
807
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808config ROMIMAGE_MMCIF
809 bool "Include MMCIF loader in romImage (EXPERIMENTAL)"
0d57af1e 810 depends on CPU_SUBTYPE_SH7724
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811 help
812 Say Y here to include experimental MMCIF loading code in
813 romImage. With this enabled it is possible to write the romImage
814 kernel image to an MMC card and boot the kernel straight from
815 the reset vector. At reset the processor Mask ROM will load the
816 first part of the romImage which in turn loads the rest the kernel
817 image to RAM using the MMCIF hardware block.
818
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819choice
820 prompt "Kernel command line"
821 optional
822 default CMDLINE_OVERWRITE
823 help
824 Setting this option allows the kernel command line arguments
825 to be set.
826
827config CMDLINE_OVERWRITE
828 bool "Overwrite bootloader kernel arguments"
829 help
830 Given string will overwrite any arguments passed in by
831 a bootloader.
832
833config CMDLINE_EXTEND
834 bool "Extend bootloader kernel arguments"
835 help
836 Given string will be concatenated with arguments passed in
837 by a bootloader.
838
839endchoice
1da177e4 840
cad82448 841config CMDLINE
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842 string "Kernel command line arguments string"
843 depends on CMDLINE_OVERWRITE || CMDLINE_EXTEND
cad82448 844 default "console=ttySC1,115200"
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845
846endmenu
847
cad82448 848menu "Bus options"
1da177e4 849
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850config SUPERHYWAY
851 tristate "SuperHyway Bus support"
852 depends on CPU_SUBTYPE_SH4_202
1da177e4 853
17be2d2b 854config MAPLE
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855 bool "Maple Bus support"
856 depends on SH_DREAMCAST
857 help
858 The Maple Bus is SEGA's serial communication bus for peripherals
859 on the Dreamcast. Without this bus support you won't be able to
860 get your Dreamcast keyboard etc to work, so most users
861 probably want to say 'Y' here, unless you are only using the
862 Dreamcast with a serial line terminal or a remote network
863 connection.
17be2d2b 864
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865config PCI
866 bool "PCI support"
867 depends on SYS_SUPPORTS_PCI
320e68da 868 select PCI_DOMAINS
43db595e 869 select GENERIC_PCI_IOMAP
1e05b62a 870 select NO_GENERIC_PCI_IOPORT_MAP
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871 help
872 Find out whether you have a PCI motherboard. PCI is the name of a
873 bus system, i.e. the way the CPU talks to the other stuff inside
874 your box. If you have PCI, say Y, otherwise N.
1da177e4 875
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876config PCI_DOMAINS
877 bool
878
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879source "drivers/pci/Kconfig"
880
881source "drivers/pcmcia/Kconfig"
882
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883endmenu
884
885menu "Executable file formats"
886
887source "fs/Kconfig.binfmt"
888
889endmenu
890
3aa770e7 891menu "Power management options (EXPERIMENTAL)"
f4cb5700 892
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893source "kernel/power/Kconfig"
894
895source "drivers/cpuidle/Kconfig"
3aa770e7 896
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897endmenu
898
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899source "net/Kconfig"
900
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901source "drivers/Kconfig"
902
903source "fs/Kconfig"
904
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905source "arch/sh/Kconfig.debug"
906
907source "security/Kconfig"
908
909source "crypto/Kconfig"
910
911source "lib/Kconfig"