sh: remove arch-specific localtimer and use generic one
[deliverable/linux.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
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
f0d1b0b3 133config ARCH_HAS_ILOG2_U32
d7ef4fb3 134 def_bool n
f0d1b0b3
DH
135
136config ARCH_HAS_ILOG2_U64
d7ef4fb3 137 def_bool n
f0d1b0b3 138
ce816fa8 139config NO_IOPORT_MAP
37b7a978 140 def_bool !PCI
c30b9c43
PM
141 depends on !SH_CAYMAN && !SH_SH4202_MICRODEV && !SH_SHMIN && \
142 !SH_HP6XX && !SH_SOLUTION_ENGINE
86e4dd5a 143
e7cc9a73
MD
144config IO_TRAPPED
145 bool
146
b7e68d68
PM
147config SWAP_IO_SPACE
148 bool
149
01be5d63
PM
150config DMA_COHERENT
151 bool
152
153config DMA_NONCOHERENT
154 def_bool !DMA_COHERENT
155
5cabbb62
FT
156config NEED_DMA_MAP_STATE
157 def_bool DMA_NONCOHERENT
158
18e98307
FT
159config NEED_SG_DMA_LENGTH
160 def_bool y
161
69543d63
KS
162config PGTABLE_LEVELS
163 default 3 if X2TLB
164 default 2
165
1da177e4
LT
166source "init/Kconfig"
167
dc52ddc0
MH
168source "kernel/Kconfig.freezer"
169
1da177e4
LT
170menu "System type"
171
b5f42db0
PM
172#
173# Processor families
174#
175config CPU_SH2
176 bool
049d2804 177 select SH_INTC
b5f42db0
PM
178
179config CPU_SH2A
180 bool
181 select CPU_SH2
e2fcf74f 182 select UNCACHED_MAPPING
b5f42db0
PM
183
184config CPU_SH3
185 bool
186 select CPU_HAS_INTEVT
187 select CPU_HAS_SR_RB
049d2804 188 select SH_INTC
fbfa8934 189 select SYS_SUPPORTS_SH_TMU
b5f42db0
PM
190
191config CPU_SH4
192 bool
193 select CPU_HAS_INTEVT
194 select CPU_HAS_SR_RB
b5f42db0 195 select CPU_HAS_FPU if !CPU_SH4AL_DSP
049d2804 196 select SH_INTC
fbfa8934 197 select SYS_SUPPORTS_SH_TMU
ffb4a73d 198 select SYS_SUPPORTS_HUGETLBFS if MMU
b5f42db0
PM
199
200config CPU_SH4A
201 bool
202 select CPU_SH4
203
204config CPU_SH4AL_DSP
205 bool
206 select CPU_SH4A
207 select CPU_HAS_DSP
208
ea0e1a9a
PM
209config CPU_SH5
210 bool
211 select CPU_HAS_FPU
fbfa8934 212 select SYS_SUPPORTS_SH_TMU
ffb4a73d 213 select SYS_SUPPORTS_HUGETLBFS if MMU
ea0e1a9a 214
b5f42db0
PM
215config CPU_SHX2
216 bool
217
218config CPU_SHX3
219 bool
01be5d63 220 select DMA_COHERENT
4b478ee2
PM
221 select SYS_SUPPORTS_SMP
222 select SYS_SUPPORTS_NUMA
b5f42db0 223
dc65a977
PM
224config ARCH_SHMOBILE
225 bool
77594912 226 select ARCH_SUSPEND_POSSIBLE
464ed18e 227 select PM
dc65a977 228
86c8c047
MF
229config CPU_HAS_PMU
230 depends on CPU_SH4 || CPU_SH4A
231 default y
232 bool
233
3cc000b5
PM
234if SUPERH32
235
b5f42db0
PM
236choice
237 prompt "Processor sub-type selection"
238
239#
240# Processor subtypes
241#
242
243# SH-2 Processor Support
244
245config CPU_SUBTYPE_SH7619
246 bool "Support SH7619 processor"
247 select CPU_SH2
fbfa8934 248 select SYS_SUPPORTS_SH_CMT
b5f42db0
PM
249
250# SH-2A Processor Support
251
2825999e
PG
252config CPU_SUBTYPE_SH7201
253 bool "Support SH7201 processor"
254 select CPU_SH2A
255 select CPU_HAS_FPU
fbfa8934 256 select SYS_SUPPORTS_SH_MTU2
2825999e 257
6d01f510
PM
258config CPU_SUBTYPE_SH7203
259 bool "Support SH7203 processor"
260 select CPU_SH2A
74d99a5e 261 select CPU_HAS_FPU
fbfa8934
MD
262 select SYS_SUPPORTS_SH_CMT
263 select SYS_SUPPORTS_SH_MTU2
f020c92d 264 select ARCH_WANT_OPTIONAL_GPIOLIB
b768ecbc 265 select PINCTRL
6d01f510 266
b5f42db0
PM
267config CPU_SUBTYPE_SH7206
268 bool "Support SH7206 processor"
269 select CPU_SH2A
fbfa8934
MD
270 select SYS_SUPPORTS_SH_CMT
271 select SYS_SUPPORTS_SH_MTU2
b5f42db0 272
a8f67f4b
PM
273config CPU_SUBTYPE_SH7263
274 bool "Support SH7263 processor"
275 select CPU_SH2A
74d99a5e 276 select CPU_HAS_FPU
fbfa8934
MD
277 select SYS_SUPPORTS_SH_CMT
278 select SYS_SUPPORTS_SH_MTU2
a8f67f4b 279
51ce3068
PE
280config CPU_SUBTYPE_SH7264
281 bool "Support SH7264 processor"
282 select CPU_SH2A
283 select CPU_HAS_FPU
fbfa8934
MD
284 select SYS_SUPPORTS_SH_CMT
285 select SYS_SUPPORTS_SH_MTU2
5946e7bb 286 select PINCTRL
51ce3068 287
0b25b7c8
PE
288config CPU_SUBTYPE_SH7269
289 bool "Support SH7269 processor"
290 select CPU_SH2A
291 select CPU_HAS_FPU
fbfa8934
MD
292 select SYS_SUPPORTS_SH_CMT
293 select SYS_SUPPORTS_SH_MTU2
fb872fcc 294 select PINCTRL
0b25b7c8 295
2ad69908
PM
296config CPU_SUBTYPE_MXG
297 bool "Support MX-G processor"
298 select CPU_SH2A
fbfa8934 299 select SYS_SUPPORTS_SH_MTU2
2ad69908
PM
300 help
301 Select MX-G if running on an R8A03022BG part.
302
b5f42db0
PM
303# SH-3 Processor Support
304
305config CPU_SUBTYPE_SH7705
306 bool "Support SH7705 processor"
307 select CPU_SH3
308
309config CPU_SUBTYPE_SH7706
310 bool "Support SH7706 processor"
311 select CPU_SH3
312 help
313 Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
314
315config CPU_SUBTYPE_SH7707
316 bool "Support SH7707 processor"
317 select CPU_SH3
318 help
319 Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
320
321config CPU_SUBTYPE_SH7708
322 bool "Support SH7708 processor"
323 select CPU_SH3
324 help
325 Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
326 if you have a 100 Mhz SH-3 HD6417708R CPU.
327
328config CPU_SUBTYPE_SH7709
329 bool "Support SH7709 processor"
330 select CPU_SH3
331 help
332 Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
333
334config CPU_SUBTYPE_SH7710
335 bool "Support SH7710 processor"
336 select CPU_SH3
337 select CPU_HAS_DSP
338 help
339 Select SH7710 if you have a SH3-DSP SH7710 CPU.
340
341config CPU_SUBTYPE_SH7712
342 bool "Support SH7712 processor"
343 select CPU_SH3
344 select CPU_HAS_DSP
345 help
346 Select SH7712 if you have a SH3-DSP SH7712 CPU.
347
348config CPU_SUBTYPE_SH7720
349 bool "Support SH7720 processor"
350 select CPU_SH3
351 select CPU_HAS_DSP
fbfa8934 352 select SYS_SUPPORTS_SH_CMT
f020c92d 353 select ARCH_WANT_OPTIONAL_GPIOLIB
7b61ca5d 354 select USB_OHCI_SH if USB_OHCI_HCD
85db6bff 355 select PINCTRL
b5f42db0
PM
356 help
357 Select SH7720 if you have a SH3-DSP SH7720 CPU.
358
31a49c4b
YS
359config CPU_SUBTYPE_SH7721
360 bool "Support SH7721 processor"
361 select CPU_SH3
362 select CPU_HAS_DSP
fbfa8934 363 select SYS_SUPPORTS_SH_CMT
7b61ca5d 364 select USB_OHCI_SH if USB_OHCI_HCD
31a49c4b
YS
365 help
366 Select SH7721 if you have a SH3-DSP SH7721 CPU.
367
b5f42db0
PM
368# SH-4 Processor Support
369
370config CPU_SUBTYPE_SH7750
371 bool "Support SH7750 processor"
372 select CPU_SH4
373 help
374 Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
375
376config CPU_SUBTYPE_SH7091
377 bool "Support SH7091 processor"
378 select CPU_SH4
379 help
380 Select SH7091 if you have an SH-4 based Sega device (such as
381 the Dreamcast, Naomi, and Naomi 2).
382
383config CPU_SUBTYPE_SH7750R
384 bool "Support SH7750R processor"
385 select CPU_SH4
386
387config CPU_SUBTYPE_SH7750S
388 bool "Support SH7750S processor"
389 select CPU_SH4
390
391config CPU_SUBTYPE_SH7751
392 bool "Support SH7751 processor"
393 select CPU_SH4
394 help
395 Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
396 or if you have a HD6417751R CPU.
397
398config CPU_SUBTYPE_SH7751R
399 bool "Support SH7751R processor"
400 select CPU_SH4
401
402config CPU_SUBTYPE_SH7760
403 bool "Support SH7760 processor"
404 select CPU_SH4
405
406config CPU_SUBTYPE_SH4_202
407 bool "Support SH4-202 processor"
408 select CPU_SH4
409
410# SH-4A Processor Support
411
178dd0cd
PM
412config CPU_SUBTYPE_SH7723
413 bool "Support SH7723 processor"
414 select CPU_SH4A
415 select CPU_SHX2
dc65a977 416 select ARCH_SHMOBILE
178dd0cd 417 select ARCH_SPARSEMEM_ENABLE
fbfa8934 418 select SYS_SUPPORTS_SH_CMT
f020c92d 419 select ARCH_WANT_OPTIONAL_GPIOLIB
16941a89 420 select PINCTRL
178dd0cd
PM
421 help
422 Select SH7723 if you have an SH-MobileR2 CPU.
423
0207a2ef
KM
424config CPU_SUBTYPE_SH7724
425 bool "Support SH7724 processor"
426 select CPU_SH4A
427 select CPU_SHX2
59fe700d 428 select ARCH_SHMOBILE
0207a2ef 429 select ARCH_SPARSEMEM_ENABLE
fbfa8934 430 select SYS_SUPPORTS_SH_CMT
f020c92d 431 select ARCH_WANT_OPTIONAL_GPIOLIB
18ebd228 432 select PINCTRL
0207a2ef
KM
433 help
434 Select SH7724 if you have an SH-MobileR2R CPU.
435
fea88a0c
NI
436config CPU_SUBTYPE_SH7734
437 bool "Support SH7734 processor"
438 select CPU_SH4A
439 select CPU_SHX2
440 select ARCH_WANT_OPTIONAL_GPIOLIB
2c172182 441 select PINCTRL
fea88a0c
NI
442 help
443 Select SH7734 if you have a SH4A SH7734 CPU.
444
c01f0f1a
YS
445config CPU_SUBTYPE_SH7757
446 bool "Support SH7757 processor"
447 select CPU_SH4A
448 select CPU_SHX2
f020c92d 449 select ARCH_WANT_OPTIONAL_GPIOLIB
eb61b772 450 select PINCTRL
c01f0f1a
YS
451 help
452 Select SH7757 if you have a SH4A SH7757 CPU.
453
7d740a06
YS
454config CPU_SUBTYPE_SH7763
455 bool "Support SH7763 processor"
456 select CPU_SH4A
7b61ca5d 457 select USB_OHCI_SH if USB_OHCI_HCD
7d740a06
YS
458 help
459 Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
460
b5f42db0
PM
461config CPU_SUBTYPE_SH7770
462 bool "Support SH7770 processor"
463 select CPU_SH4A
464
465config CPU_SUBTYPE_SH7780
466 bool "Support SH7780 processor"
467 select CPU_SH4A
468
469config CPU_SUBTYPE_SH7785
470 bool "Support SH7785 processor"
471 select CPU_SH4A
472 select CPU_SHX2
55ba99eb
KM
473 select ARCH_SPARSEMEM_ENABLE
474 select SYS_SUPPORTS_NUMA
f020c92d 475 select ARCH_WANT_OPTIONAL_GPIOLIB
77bd27b2 476 select PINCTRL
55ba99eb
KM
477
478config CPU_SUBTYPE_SH7786
479 bool "Support SH7786 processor"
480 select CPU_SH4A
37042fbd 481 select CPU_SHX3
8263a67e 482 select CPU_HAS_PTEAEX
2eb2a436 483 select GENERIC_CLOCKEVENTS_BROADCAST if SMP
f020c92d 484 select ARCH_WANT_OPTIONAL_GPIOLIB
7b61ca5d 485 select USB_OHCI_SH if USB_OHCI_HCD
7b61ca5d 486 select USB_EHCI_SH if USB_EHCI_HCD
c0fdbff9 487 select PINCTRL
b5f42db0
PM
488
489config CPU_SUBTYPE_SHX3
490 bool "Support SH-X3 processor"
491 select CPU_SH4A
492 select CPU_SHX3
5840263e 493 select GENERIC_CLOCKEVENTS_BROADCAST if SMP
742759ea 494 select ARCH_REQUIRE_GPIOLIB
3e347f08 495 select PINCTRL
b5f42db0
PM
496
497# SH4AL-DSP Processor Support
498
499config CPU_SUBTYPE_SH7343
500 bool "Support SH7343 processor"
501 select CPU_SH4AL_DSP
dc65a977 502 select ARCH_SHMOBILE
fbfa8934 503 select SYS_SUPPORTS_SH_CMT
b5f42db0
PM
504
505config CPU_SUBTYPE_SH7722
506 bool "Support SH7722 processor"
507 select CPU_SH4AL_DSP
508 select CPU_SHX2
dc65a977 509 select ARCH_SHMOBILE
b5f42db0
PM
510 select ARCH_SPARSEMEM_ENABLE
511 select SYS_SUPPORTS_NUMA
fbfa8934 512 select SYS_SUPPORTS_SH_CMT
f020c92d 513 select ARCH_WANT_OPTIONAL_GPIOLIB
ef97c3c1 514 select PINCTRL
9109a30e
MD
515
516config CPU_SUBTYPE_SH7366
517 bool "Support SH7366 processor"
518 select CPU_SH4AL_DSP
519 select CPU_SHX2
dc65a977 520 select ARCH_SHMOBILE
9109a30e
MD
521 select ARCH_SPARSEMEM_ENABLE
522 select SYS_SUPPORTS_NUMA
fbfa8934 523 select SYS_SUPPORTS_SH_CMT
b5f42db0 524
3cc000b5
PM
525endchoice
526
527endif
528
529if SUPERH64
530
531choice
532 prompt "Processor sub-type selection"
533
ea0e1a9a
PM
534# SH-5 Processor Support
535
536config CPU_SUBTYPE_SH5_101
537 bool "Support SH5-101 processor"
538 select CPU_SH5
539
540config CPU_SUBTYPE_SH5_103
541 bool "Support SH5-103 processor"
8ef97dd7 542 select CPU_SH5
ea0e1a9a 543
b5f42db0
PM
544endchoice
545
3cc000b5
PM
546endif
547
f3d22298 548source "arch/sh/mm/Kconfig"
939a24a6 549
4690bdc7 550source "arch/sh/Kconfig.cpu"
f3d22298 551
939a24a6 552source "arch/sh/boards/Kconfig"
32351a28 553
32351a28
PM
554menu "Timer and clock configuration"
555
cad82448
PM
556config SH_PCLK_FREQ
557 int "Peripheral clock frequency (in Hz)"
8152a74b 558 depends on SH_CLK_CPG_LEGACY
9d4436a6 559 default "31250000" if CPU_SUBTYPE_SH7619
8152a74b
PM
560 default "33333333" if CPU_SUBTYPE_SH7770 || \
561 CPU_SUBTYPE_SH7760 || \
562 CPU_SUBTYPE_SH7705 || \
563 CPU_SUBTYPE_SH7203 || \
564 CPU_SUBTYPE_SH7206 || \
565 CPU_SUBTYPE_SH7263 || \
43a1839c 566 CPU_SUBTYPE_MXG
05627486 567 default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
cad82448 568 default "66000000" if CPU_SUBTYPE_SH4_202
05627486 569 default "50000000"
1da177e4 570 help
cad82448
PM
571 This option is used to specify the peripheral clock frequency.
572 This is necessary for determining the reference clock value on
573 platforms lacking an RTC.
1da177e4 574
36aa1e32
PM
575config SH_CLK_CPG
576 def_bool y
577
253b0887 578config SH_CLK_CPG_LEGACY
36aa1e32 579 depends on SH_CLK_CPG
43a1839c 580 def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE && \
51ce3068 581 !CPU_SHX3 && !CPU_SUBTYPE_SH7757 && \
bcb86e0a
PM
582 !CPU_SUBTYPE_SH7734 && !CPU_SUBTYPE_SH7264 && \
583 !CPU_SUBTYPE_SH7269
253b0887 584
32351a28
PM
585endmenu
586
cad82448 587menu "CPU Frequency scaling"
cad82448 588source "drivers/cpufreq/Kconfig"
cad82448
PM
589endmenu
590
9f5e8eee
PM
591source "arch/sh/drivers/Kconfig"
592
cad82448 593endmenu
1da177e4 594
cad82448
PM
595menu "Kernel features"
596
91b91d01
PM
597source kernel/Kconfig.hz
598
cad82448
PM
599config KEXEC
600 bool "kexec system call (EXPERIMENTAL)"
0d57af1e 601 depends on SUPERH32 && MMU
2965faa5 602 select KEXEC_CORE
1da177e4 603 help
cad82448
PM
604 kexec is a system call that implements the ability to shutdown your
605 current kernel, and to start another kernel. It is like a reboot
1f1332f7 606 but it is independent of the system firmware. And like a reboot
cad82448
PM
607 you can start any kernel with it, not just Linux.
608
1f1332f7 609 The name comes from the similarity to the exec system call.
cad82448
PM
610
611 It is an ongoing process to be certain the hardware in a machine
612 is properly shutdown, so do not be surprised if this code does not
bf220695
GU
613 initially work for you. As of this writing the exact hardware
614 interface is strongly in flux, so no good recommendation can be
615 made.
cad82448 616
4d5ade5b
PM
617config CRASH_DUMP
618 bool "kernel crash dumps (EXPERIMENTAL)"
0d57af1e 619 depends on SUPERH32 && BROKEN_ON_SMP
4d5ade5b
PM
620 help
621 Generate crash dump after being started by kexec.
622 This should be normally only set in special crash dump kernels
623 which are loaded in the main kernel with kexec-tools into
624 a specially reserved region and then later executed after
625 a crash by kdump/kexec. The crash dump kernel must be compiled
626 to a memory address not used by the main kernel using
e66ac3f2 627 PHYSICAL_START.
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628
629 For more details see Documentation/kdump/kdump.txt
630
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631config KEXEC_JUMP
632 bool "kexec jump (EXPERIMENTAL)"
0d57af1e 633 depends on SUPERH32 && KEXEC && HIBERNATION
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634 help
635 Jump between original kernel and kexeced kernel and invoke
636 code via KEXEC
637
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638config PHYSICAL_START
639 hex "Physical address where the kernel is loaded" if (EXPERT || CRASH_DUMP)
640 default MEMORY_START
641 ---help---
642 This gives the physical address where the kernel is loaded
643 and is ordinarily the same as MEMORY_START.
644
645 Different values are primarily used in the case of kexec on panic
646 where the fail safe kernel needs to run at a different address
647 than the panic-ed kernel.
648
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649config SECCOMP
650 bool "Enable seccomp to safely compute untrusted bytecode"
651 depends on PROC_FS
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652 help
653 This kernel feature is useful for number crunching applications
654 that may need to compute untrusted bytecode during their
655 execution. By using pipes or other transports made available to
656 the process as file descriptors supporting the read/write
657 syscalls, it's possible to isolate those applications in
658 their own address space using seccomp. Once seccomp is
659 enabled via prctl, it cannot be disabled and the task is only
660 allowed to execute a few safe syscalls defined by each seccomp
661 mode.
662
663 If unsure, say N.
664
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665config SMP
666 bool "Symmetric multi-processing support"
357d5946 667 depends on SYS_SUPPORTS_SMP
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668 ---help---
669 This enables support for systems with more than one CPU. If you have
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670 a system with only one CPU, say N. If you have a system with more
671 than one CPU, say Y.
1da177e4 672
4a474157 673 If you say N here, the kernel will run on uni- and multiprocessor
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674 machines, but will use only one CPU of a multiprocessor machine. If
675 you say Y here, the kernel will run on many, but not all,
4a474157 676 uniprocessor machines. On a uniprocessor machine, the kernel
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677 will run faster if you say N here.
678
679 People using multiprocessor machines who say Y here should also say
680 Y to "Enhanced Real Time Clock Support", below.
681
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682 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
683 available at <http://www.tldp.org/docs.html#howto>.
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684
685 If you don't know what to do here, say N.
686
687config NR_CPUS
688 int "Maximum number of CPUs (2-32)"
689 range 2 32
690 depends on SMP
2eb2a436 691 default "4" if CPU_SUBTYPE_SHX3
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692 default "2"
693 help
694 This allows you to specify the maximum number of CPUs which this
695 kernel will support. The maximum supported value is 32 and the
696 minimum value which makes sense is 2.
697
698 This is purely to save memory - each supported CPU adds
699 approximately eight kilobytes to the kernel image.
700
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701config HOTPLUG_CPU
702 bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
40b31360 703 depends on SMP
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704 help
705 Say Y here to experiment with turning CPUs off and on. CPUs
706 can be controlled through /sys/devices/system/cpu.
707
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708source "kernel/Kconfig.preempt"
709
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710config GUSA
711 def_bool y
1efe4ce3 712 depends on !SMP && SUPERH32
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713 help
714 This enables support for gUSA (general UserSpace Atomicity).
715 This is the default implementation for both UP and non-ll/sc
716 CPUs, and is used by the libc, amongst others.
717
718 For additional information, design information can be found
719 in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
720
721 This should only be disabled for special cases where alternate
722 atomicity implementations exist.
723
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724config GUSA_RB
725 bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
726 depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
727 help
728 Enabling this option will allow the kernel to implement some
692105b8 729 atomic operations using a software implementation of load-locked/
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730 store-conditional (LLSC). On machines which do not have hardware
731 LLSC, this should be more efficient than the other alternative of
692105b8 732 disabling interrupts around the atomic sequence.
1efe4ce3 733
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734config HW_PERF_EVENTS
735 bool "Enable hardware performance counter support for perf events"
736 depends on PERF_EVENTS && CPU_HAS_PMU
737 default y
738 help
739 Enable hardware performance counter support for perf events. If
740 disabled, perf events will use software events only.
741
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742source "drivers/sh/Kconfig"
743
cad82448 744endmenu
1da177e4 745
cad82448 746menu "Boot options"
1da177e4 747
cad82448 748config ZERO_PAGE_OFFSET
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749 hex
750 default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \
751 SH_7751_SOLUTION_ENGINE
752 default "0x00004000" if PAGE_SIZE_16KB || SH_SH03
7a847f81 753 default "0x00002000" if PAGE_SIZE_8KB
cad82448 754 default "0x00001000"
1da177e4 755 help
cad82448 756 This sets the default offset of zero page.
1da177e4 757
cad82448 758config BOOT_LINK_OFFSET
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759 hex
760 default "0x00210000" if SH_SHMIN
a2e76c80 761 default "0x00400000" if SH_CAYMAN
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762 default "0x00810000" if SH_7780_SOLUTION_ENGINE
763 default "0x009e0000" if SH_TITAN
764 default "0x01800000" if SH_SDK7780
765 default "0x02000000" if SH_EDOSK7760
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766 default "0x00800000"
767 help
768 This option allows you to set the link address offset of the zImage.
769 This can be useful if you are on a board which has a small amount of
770 memory.
1da177e4 771
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772config ENTRY_OFFSET
773 hex
774 default "0x00001000" if PAGE_SIZE_4KB
775 default "0x00002000" if PAGE_SIZE_8KB
776 default "0x00004000" if PAGE_SIZE_16KB
777 default "0x00010000" if PAGE_SIZE_64KB
778 default "0x00000000"
779
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780config ROMIMAGE_MMCIF
781 bool "Include MMCIF loader in romImage (EXPERIMENTAL)"
0d57af1e 782 depends on CPU_SUBTYPE_SH7724
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783 help
784 Say Y here to include experimental MMCIF loading code in
785 romImage. With this enabled it is possible to write the romImage
786 kernel image to an MMC card and boot the kernel straight from
787 the reset vector. At reset the processor Mask ROM will load the
788 first part of the romImage which in turn loads the rest the kernel
789 image to RAM using the MMCIF hardware block.
790
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791choice
792 prompt "Kernel command line"
793 optional
794 default CMDLINE_OVERWRITE
795 help
796 Setting this option allows the kernel command line arguments
797 to be set.
798
799config CMDLINE_OVERWRITE
800 bool "Overwrite bootloader kernel arguments"
801 help
802 Given string will overwrite any arguments passed in by
803 a bootloader.
804
805config CMDLINE_EXTEND
806 bool "Extend bootloader kernel arguments"
807 help
808 Given string will be concatenated with arguments passed in
809 by a bootloader.
810
811endchoice
1da177e4 812
cad82448 813config CMDLINE
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814 string "Kernel command line arguments string"
815 depends on CMDLINE_OVERWRITE || CMDLINE_EXTEND
cad82448 816 default "console=ttySC1,115200"
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817
818endmenu
819
cad82448 820menu "Bus options"
1da177e4 821
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822config SUPERHYWAY
823 tristate "SuperHyway Bus support"
824 depends on CPU_SUBTYPE_SH4_202
1da177e4 825
17be2d2b 826config MAPLE
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827 bool "Maple Bus support"
828 depends on SH_DREAMCAST
829 help
830 The Maple Bus is SEGA's serial communication bus for peripherals
831 on the Dreamcast. Without this bus support you won't be able to
832 get your Dreamcast keyboard etc to work, so most users
833 probably want to say 'Y' here, unless you are only using the
834 Dreamcast with a serial line terminal or a remote network
835 connection.
17be2d2b 836
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837config PCI
838 bool "PCI support"
839 depends on SYS_SUPPORTS_PCI
320e68da 840 select PCI_DOMAINS
43db595e 841 select GENERIC_PCI_IOMAP
1e05b62a 842 select NO_GENERIC_PCI_IOPORT_MAP
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843 help
844 Find out whether you have a PCI motherboard. PCI is the name of a
845 bus system, i.e. the way the CPU talks to the other stuff inside
846 your box. If you have PCI, say Y, otherwise N.
1da177e4 847
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848config PCI_DOMAINS
849 bool
850
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851source "drivers/pci/pcie/Kconfig"
852
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853source "drivers/pci/Kconfig"
854
855source "drivers/pcmcia/Kconfig"
856
857source "drivers/pci/hotplug/Kconfig"
858
859endmenu
860
861menu "Executable file formats"
862
863source "fs/Kconfig.binfmt"
864
865endmenu
866
3aa770e7 867menu "Power management options (EXPERIMENTAL)"
f4cb5700 868
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869source "kernel/power/Kconfig"
870
871source "drivers/cpuidle/Kconfig"
3aa770e7 872
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873endmenu
874
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875source "net/Kconfig"
876
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877source "drivers/Kconfig"
878
879source "fs/Kconfig"
880
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881source "arch/sh/Kconfig.debug"
882
883source "security/Kconfig"
884
885source "crypto/Kconfig"
886
887source "lib/Kconfig"
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