sh: make MMU-specific SMP code conditional on CONFIG_MMU
[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
cdd6c482 14 select HAVE_PERF_EVENTS
9b2a60c4 15 select HAVE_DEBUG_BUGVERBOSE
7563bbf8 16 select ARCH_HAVE_CUSTOM_GPIO_H
df013ffb 17 select ARCH_HAVE_NMI_SAFE_CMPXCHG if (GUSA_RB || CPU_SH4A)
957e3fac 18 select ARCH_HAS_GCOV_PROFILE_ALL
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
f0d1b0b3 132config ARCH_HAS_ILOG2_U32
d7ef4fb3 133 def_bool n
f0d1b0b3
DH
134
135config ARCH_HAS_ILOG2_U64
d7ef4fb3 136 def_bool n
f0d1b0b3 137
ce816fa8 138config NO_IOPORT_MAP
37b7a978 139 def_bool !PCI
c30b9c43
PM
140 depends on !SH_CAYMAN && !SH_SH4202_MICRODEV && !SH_SHMIN && \
141 !SH_HP6XX && !SH_SOLUTION_ENGINE
86e4dd5a 142
e7cc9a73
MD
143config IO_TRAPPED
144 bool
145
b7e68d68
PM
146config SWAP_IO_SPACE
147 bool
148
01be5d63
PM
149config DMA_COHERENT
150 bool
151
152config DMA_NONCOHERENT
153 def_bool !DMA_COHERENT
154
5cabbb62
FT
155config NEED_DMA_MAP_STATE
156 def_bool DMA_NONCOHERENT
157
18e98307
FT
158config NEED_SG_DMA_LENGTH
159 def_bool y
160
69543d63
KS
161config PGTABLE_LEVELS
162 default 3 if X2TLB
163 default 2
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
2965faa5 601 select KEXEC_CORE
1da177e4 602 help
cad82448
PM
603 kexec is a system call that implements the ability to shutdown your
604 current kernel, and to start another kernel. It is like a reboot
1f1332f7 605 but it is independent of the system firmware. And like a reboot
cad82448
PM
606 you can start any kernel with it, not just Linux.
607
1f1332f7 608 The name comes from the similarity to the exec system call.
cad82448
PM
609
610 It is an ongoing process to be certain the hardware in a machine
611 is properly shutdown, so do not be surprised if this code does not
bf220695
GU
612 initially work for you. As of this writing the exact hardware
613 interface is strongly in flux, so no good recommendation can be
614 made.
cad82448 615
4d5ade5b
PM
616config CRASH_DUMP
617 bool "kernel crash dumps (EXPERIMENTAL)"
0d57af1e 618 depends on SUPERH32 && BROKEN_ON_SMP
4d5ade5b
PM
619 help
620 Generate crash dump after being started by kexec.
621 This should be normally only set in special crash dump kernels
622 which are loaded in the main kernel with kexec-tools into
623 a specially reserved region and then later executed after
624 a crash by kdump/kexec. The crash dump kernel must be compiled
625 to a memory address not used by the main kernel using
e66ac3f2 626 PHYSICAL_START.
4d5ade5b
PM
627
628 For more details see Documentation/kdump/kdump.txt
629
b7cf6ddc
MD
630config KEXEC_JUMP
631 bool "kexec jump (EXPERIMENTAL)"
0d57af1e 632 depends on SUPERH32 && KEXEC && HIBERNATION
b7cf6ddc
MD
633 help
634 Jump between original kernel and kexeced kernel and invoke
635 code via KEXEC
636
e66ac3f2
SH
637config PHYSICAL_START
638 hex "Physical address where the kernel is loaded" if (EXPERT || CRASH_DUMP)
639 default MEMORY_START
640 ---help---
641 This gives the physical address where the kernel is loaded
642 and is ordinarily the same as MEMORY_START.
643
644 Different values are primarily used in the case of kexec on panic
645 where the fail safe kernel needs to run at a different address
646 than the panic-ed kernel.
647
c4637d47
PM
648config SECCOMP
649 bool "Enable seccomp to safely compute untrusted bytecode"
650 depends on PROC_FS
c4637d47
PM
651 help
652 This kernel feature is useful for number crunching applications
653 that may need to compute untrusted bytecode during their
654 execution. By using pipes or other transports made available to
655 the process as file descriptors supporting the read/write
656 syscalls, it's possible to isolate those applications in
657 their own address space using seccomp. Once seccomp is
658 enabled via prctl, it cannot be disabled and the task is only
659 allowed to execute a few safe syscalls defined by each seccomp
660 mode.
661
662 If unsure, say N.
663
1da177e4
LT
664config SMP
665 bool "Symmetric multi-processing support"
357d5946 666 depends on SYS_SUPPORTS_SMP
1da177e4
LT
667 ---help---
668 This enables support for systems with more than one CPU. If you have
4a474157
RG
669 a system with only one CPU, say N. If you have a system with more
670 than one CPU, say Y.
1da177e4 671
4a474157 672 If you say N here, the kernel will run on uni- and multiprocessor
1da177e4
LT
673 machines, but will use only one CPU of a multiprocessor machine. If
674 you say Y here, the kernel will run on many, but not all,
4a474157 675 uniprocessor machines. On a uniprocessor machine, the kernel
1da177e4
LT
676 will run faster if you say N here.
677
678 People using multiprocessor machines who say Y here should also say
679 Y to "Enhanced Real Time Clock Support", below.
680
03502faa
AB
681 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
682 available at <http://www.tldp.org/docs.html#howto>.
1da177e4
LT
683
684 If you don't know what to do here, say N.
685
686config NR_CPUS
687 int "Maximum number of CPUs (2-32)"
688 range 2 32
689 depends on SMP
2eb2a436 690 default "4" if CPU_SUBTYPE_SHX3
1da177e4
LT
691 default "2"
692 help
693 This allows you to specify the maximum number of CPUs which this
694 kernel will support. The maximum supported value is 32 and the
695 minimum value which makes sense is 2.
696
697 This is purely to save memory - each supported CPU adds
698 approximately eight kilobytes to the kernel image.
699
763142d1
PM
700config HOTPLUG_CPU
701 bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
40b31360 702 depends on SMP
763142d1
PM
703 help
704 Say Y here to experiment with turning CPUs off and on. CPUs
705 can be controlled through /sys/devices/system/cpu.
706
91b91d01
PM
707source "kernel/Kconfig.preempt"
708
83662461
PM
709config GUSA
710 def_bool y
1efe4ce3 711 depends on !SMP && SUPERH32
83662461
PM
712 help
713 This enables support for gUSA (general UserSpace Atomicity).
714 This is the default implementation for both UP and non-ll/sc
715 CPUs, and is used by the libc, amongst others.
716
717 For additional information, design information can be found
718 in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
719
720 This should only be disabled for special cases where alternate
721 atomicity implementations exist.
722
1efe4ce3
SM
723config GUSA_RB
724 bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
725 depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
726 help
727 Enabling this option will allow the kernel to implement some
692105b8 728 atomic operations using a software implementation of load-locked/
1efe4ce3
SM
729 store-conditional (LLSC). On machines which do not have hardware
730 LLSC, this should be more efficient than the other alternative of
692105b8 731 disabling interrupts around the atomic sequence.
1efe4ce3 732
86c8c047
MF
733config HW_PERF_EVENTS
734 bool "Enable hardware performance counter support for perf events"
735 depends on PERF_EVENTS && CPU_HAS_PMU
736 default y
737 help
738 Enable hardware performance counter support for perf events. If
739 disabled, perf events will use software events only.
740
43b8774d
PM
741source "drivers/sh/Kconfig"
742
cad82448 743endmenu
1da177e4 744
cad82448 745menu "Boot options"
1da177e4 746
cad82448 747config ZERO_PAGE_OFFSET
b412a49a
PM
748 hex
749 default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \
750 SH_7751_SOLUTION_ENGINE
751 default "0x00004000" if PAGE_SIZE_16KB || SH_SH03
7a847f81 752 default "0x00002000" if PAGE_SIZE_8KB
cad82448 753 default "0x00001000"
1da177e4 754 help
cad82448 755 This sets the default offset of zero page.
1da177e4 756
cad82448 757config BOOT_LINK_OFFSET
b412a49a
PM
758 hex
759 default "0x00210000" if SH_SHMIN
a2e76c80 760 default "0x00400000" if SH_CAYMAN
b412a49a
PM
761 default "0x00810000" if SH_7780_SOLUTION_ENGINE
762 default "0x009e0000" if SH_TITAN
763 default "0x01800000" if SH_SDK7780
764 default "0x02000000" if SH_EDOSK7760
cad82448
PM
765 default "0x00800000"
766 help
767 This option allows you to set the link address offset of the zImage.
768 This can be useful if you are on a board which has a small amount of
769 memory.
1da177e4 770
b412a49a
PM
771config ENTRY_OFFSET
772 hex
773 default "0x00001000" if PAGE_SIZE_4KB
774 default "0x00002000" if PAGE_SIZE_8KB
775 default "0x00004000" if PAGE_SIZE_16KB
776 default "0x00010000" if PAGE_SIZE_64KB
777 default "0x00000000"
778
4705b2e8
MD
779config ROMIMAGE_MMCIF
780 bool "Include MMCIF loader in romImage (EXPERIMENTAL)"
0d57af1e 781 depends on CPU_SUBTYPE_SH7724
4705b2e8
MD
782 help
783 Say Y here to include experimental MMCIF loading code in
784 romImage. With this enabled it is possible to write the romImage
785 kernel image to an MMC card and boot the kernel straight from
786 the reset vector. At reset the processor Mask ROM will load the
787 first part of the romImage which in turn loads the rest the kernel
788 image to RAM using the MMCIF hardware block.
789
d724a9c9
PM
790choice
791 prompt "Kernel command line"
792 optional
793 default CMDLINE_OVERWRITE
794 help
795 Setting this option allows the kernel command line arguments
796 to be set.
797
798config CMDLINE_OVERWRITE
799 bool "Overwrite bootloader kernel arguments"
800 help
801 Given string will overwrite any arguments passed in by
802 a bootloader.
803
804config CMDLINE_EXTEND
805 bool "Extend bootloader kernel arguments"
806 help
807 Given string will be concatenated with arguments passed in
808 by a bootloader.
809
810endchoice
1da177e4 811
cad82448 812config CMDLINE
d724a9c9
PM
813 string "Kernel command line arguments string"
814 depends on CMDLINE_OVERWRITE || CMDLINE_EXTEND
cad82448 815 default "console=ttySC1,115200"
1da177e4
LT
816
817endmenu
818
cad82448 819menu "Bus options"
1da177e4 820
cad82448
PM
821config SUPERHYWAY
822 tristate "SuperHyway Bus support"
823 depends on CPU_SUBTYPE_SH4_202
1da177e4 824
17be2d2b 825config MAPLE
e16038ab
PM
826 bool "Maple Bus support"
827 depends on SH_DREAMCAST
828 help
829 The Maple Bus is SEGA's serial communication bus for peripherals
830 on the Dreamcast. Without this bus support you won't be able to
831 get your Dreamcast keyboard etc to work, so most users
832 probably want to say 'Y' here, unless you are only using the
833 Dreamcast with a serial line terminal or a remote network
834 connection.
17be2d2b 835
7693465d
PM
836config PCI
837 bool "PCI support"
838 depends on SYS_SUPPORTS_PCI
320e68da 839 select PCI_DOMAINS
43db595e 840 select GENERIC_PCI_IOMAP
1e05b62a 841 select NO_GENERIC_PCI_IOPORT_MAP
7693465d
PM
842 help
843 Find out whether you have a PCI motherboard. PCI is the name of a
844 bus system, i.e. the way the CPU talks to the other stuff inside
845 your box. If you have PCI, say Y, otherwise N.
1da177e4 846
320e68da
PM
847config PCI_DOMAINS
848 bool
849
e16038ab
PM
850source "drivers/pci/pcie/Kconfig"
851
1da177e4
LT
852source "drivers/pci/Kconfig"
853
854source "drivers/pcmcia/Kconfig"
855
856source "drivers/pci/hotplug/Kconfig"
857
858endmenu
859
860menu "Executable file formats"
861
862source "fs/Kconfig.binfmt"
863
864endmenu
865
3aa770e7 866menu "Power management options (EXPERIMENTAL)"
f4cb5700 867
c6f17cb2
MD
868source "kernel/power/Kconfig"
869
870source "drivers/cpuidle/Kconfig"
3aa770e7 871
3aa770e7
AS
872endmenu
873
d5950b43
SR
874source "net/Kconfig"
875
1da177e4
LT
876source "drivers/Kconfig"
877
878source "fs/Kconfig"
879
1da177e4
LT
880source "arch/sh/Kconfig.debug"
881
882source "security/Kconfig"
883
884source "crypto/Kconfig"
885
886source "lib/Kconfig"