Kconfig 20.6 KB
Newer Older
L
Linus Torvalds 已提交
1
config SUPERH
2
	def_bool y
3
	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
4
	select ARCH_MIGHT_HAVE_PC_PARPORT
5
	select HAVE_PATA_PLATFORM
6
	select CLKDEV_LOOKUP
7
	select HAVE_IDE if HAS_IOPORT_MAP
Y
Yinghai Lu 已提交
8
	select HAVE_MEMBLOCK
T
Tejun Heo 已提交
9
	select HAVE_MEMBLOCK_NODE_MAP
P
Paul Mundt 已提交
10
	select ARCH_DISCARD_MEMBLOCK
M
Mathieu Desnoyers 已提交
11
	select HAVE_OPROFILE
12
	select HAVE_GENERIC_DMA_COHERENT
13
	select HAVE_ARCH_TRACEHOOK
14
	select HAVE_DMA_API_DEBUG
15
	select HAVE_PERF_EVENTS
16
	select HAVE_DEBUG_BUGVERBOSE
17
	select ARCH_HAVE_CUSTOM_GPIO_H
18
	select ARCH_HAVE_NMI_SAFE_CMPXCHG if (GUSA_RB || CPU_SH4A)
19
	select ARCH_HAS_GCOV_PROFILE_ALL
20
	select PERF_USE_VMALLOC
21
	select HAVE_DEBUG_KMEMLEAK
22
	select HAVE_KERNEL_GZIP
P
Paul Mundt 已提交
23 24
	select HAVE_KERNEL_BZIP2
	select HAVE_KERNEL_LZMA
P
Paul Mundt 已提交
25
	select HAVE_KERNEL_XZ
26
	select HAVE_KERNEL_LZO
27
	select HAVE_UID16
28
	select ARCH_WANT_IPC_PARSE_VERSION
29
	select HAVE_SYSCALL_TRACEPOINTS
P
Paul Mundt 已提交
30
	select HAVE_REGS_AND_STACK_ACCESS_API
31
	select MAY_HAVE_SPARSE_IRQ
P
Paul Mundt 已提交
32
	select IRQ_FORCED_THREADING
33
	select RTC_LIB
34
	select GENERIC_ATOMIC64
35
	select GENERIC_IRQ_SHOW
36
	select GENERIC_SMP_IDLE_THREAD
T
Thomas Gleixner 已提交
37
	select GENERIC_IDLE_POLL_SETUP
38 39
	select GENERIC_CLOCKEVENTS
	select GENERIC_CMOS_UPDATE if SH_SH03 || SH_DREAMCAST
40
	select GENERIC_STRNCPY_FROM_USER
41
	select GENERIC_STRNLEN_USER
42 43
	select HAVE_MOD_ARCH_SPECIFIC if DWARF_UNWINDER
	select MODULES_USE_ELF_RELA
A
Al Viro 已提交
44
	select OLD_SIGSUSPEND
A
Al Viro 已提交
45
	select OLD_SIGACTION
46
	select HAVE_ARCH_AUDITSYSCALL
L
Linus Torvalds 已提交
47 48 49 50 51 52
	help
	  The SuperH is a RISC processor targeted for use in embedded systems
	  and consumer electronics; it was also used in the Sega Dreamcast
	  gaming console.  The SuperH port has a home page at
	  <http://www.linux-sh.org/>.

P
Paul Mundt 已提交
53
config SUPERH32
54
	def_bool ARCH = "sh"
C
Chris Smith 已提交
55 56
	select HAVE_KPROBES
	select HAVE_KRETPROBES
57
	select HAVE_IOREMAP_PROT if MMU && !X2TLB
58
	select HAVE_FUNCTION_TRACER
M
Matt Fleming 已提交
59 60
	select HAVE_FTRACE_MCOUNT_RECORD
	select HAVE_DYNAMIC_FTRACE
61
	select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE
62
	select ARCH_WANT_IPC_PARSE_VERSION
M
Matt Fleming 已提交
63
	select HAVE_FUNCTION_GRAPH_TRACER
P
Paul Mundt 已提交
64
	select HAVE_ARCH_KGDB
65
	select HAVE_HW_BREAKPOINT
66
	select HAVE_MIXED_BREAKPOINTS_REGS
67
	select PERF_EVENTS
68
	select ARCH_HIBERNATION_POSSIBLE if MMU
P
Paul Mundt 已提交
69
	select SPARSE_IRQ
70
	select HAVE_CC_STACKPROTECTOR
71 72

config SUPERH64
73
	def_bool ARCH = "sh64"
J
Jiri Slaby 已提交
74
	select HAVE_EXIT_THREAD
75
	select KALLSYMS
P
Paul Mundt 已提交
76

77 78 79 80 81
config ARCH_DEFCONFIG
	string
	default "arch/sh/configs/shx3_defconfig" if SUPERH32
	default "arch/sh/configs/cayman_defconfig" if SUPERH64

L
Linus Torvalds 已提交
82
config RWSEM_GENERIC_SPINLOCK
83
	def_bool y
L
Linus Torvalds 已提交
84 85 86 87

config RWSEM_XCHGADD_ALGORITHM
	bool

P
Paul Mundt 已提交
88 89
config GENERIC_BUG
	def_bool y
90
	depends on BUG && SUPERH32
P
Paul Mundt 已提交
91

92 93 94 95
config GENERIC_CSUM
	def_bool y
	depends on SUPERH64

96
config GENERIC_HWEIGHT
97
	def_bool y
98

L
Linus Torvalds 已提交
99
config GENERIC_CALIBRATE_DELAY
100
	bool
L
Linus Torvalds 已提交
101

P
Paul Mundt 已提交
102 103 104 105
config GENERIC_LOCKBREAK
	def_bool y
	depends on SMP && PREEMPT

M
Magnus Damm 已提交
106 107 108 109 110
config ARCH_SUSPEND_POSSIBLE
	def_bool n

config ARCH_HIBERNATION_POSSIBLE
	def_bool n
111

112 113
config SYS_SUPPORTS_APM_EMULATION
	bool
M
Magnus Damm 已提交
114
	select ARCH_SUSPEND_POSSIBLE
115

116 117 118
config SYS_SUPPORTS_HUGETLBFS
	bool

119 120 121 122 123 124 125 126
config SYS_SUPPORTS_SMP
	bool

config SYS_SUPPORTS_NUMA
	bool

config SYS_SUPPORTS_PCI
	bool
127

128
config STACKTRACE_SUPPORT
129
	def_bool y
130 131

config LOCKDEP_SUPPORT
132
	def_bool y
133

134
config ARCH_HAS_ILOG2_U32
135
	def_bool n
136 137

config ARCH_HAS_ILOG2_U64
138
	def_bool n
139

140
config NO_IOPORT_MAP
P
Paul Mundt 已提交
141
	def_bool !PCI
142 143
	depends on !SH_CAYMAN && !SH_SH4202_MICRODEV && !SH_SHMIN && \
		   !SH_HP6XX && !SH_SOLUTION_ENGINE
144

M
Magnus Damm 已提交
145 146 147
config IO_TRAPPED
	bool

148 149 150
config SWAP_IO_SPACE
	bool

151 152 153 154 155 156
config DMA_COHERENT
	bool

config DMA_NONCOHERENT
	def_bool !DMA_COHERENT

157 158 159
config NEED_DMA_MAP_STATE
	def_bool DMA_NONCOHERENT

160 161 162
config NEED_SG_DMA_LENGTH
	def_bool y

163 164 165 166
config PGTABLE_LEVELS
	default 3 if X2TLB
	default 2

L
Linus Torvalds 已提交
167 168
source "init/Kconfig"

169 170
source "kernel/Kconfig.freezer"

L
Linus Torvalds 已提交
171 172
menu "System type"

173 174 175 176 177
#
# Processor families
#
config CPU_SH2
	bool
178
	select SH_INTC
179 180 181 182

config CPU_SH2A
	bool
	select CPU_SH2
P
Paul Mundt 已提交
183
	select UNCACHED_MAPPING
184 185 186 187 188

config CPU_SH3
	bool
	select CPU_HAS_INTEVT
	select CPU_HAS_SR_RB
189
	select SH_INTC
190
	select SYS_SUPPORTS_SH_TMU
191 192 193 194 195 196

config CPU_SH4
	bool
	select CPU_HAS_INTEVT
	select CPU_HAS_SR_RB
	select CPU_HAS_FPU if !CPU_SH4AL_DSP
197
	select SH_INTC
198
	select SYS_SUPPORTS_SH_TMU
199
	select SYS_SUPPORTS_HUGETLBFS if MMU
200 201 202 203 204 205 206 207 208 209

config CPU_SH4A
	bool
	select CPU_SH4

config CPU_SH4AL_DSP
	bool
	select CPU_SH4A
	select CPU_HAS_DSP

210 211 212
config CPU_SH5
	bool
	select CPU_HAS_FPU
213
	select SYS_SUPPORTS_SH_TMU
214
	select SYS_SUPPORTS_HUGETLBFS if MMU
215

216 217 218 219 220
config CPU_SHX2
	bool

config CPU_SHX3
	bool
221
	select DMA_COHERENT
222 223
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_NUMA
224

225 226
config ARCH_SHMOBILE
	bool
M
Magnus Damm 已提交
227
	select ARCH_SUSPEND_POSSIBLE
228
	select PM
229

230 231 232 233 234
config CPU_HAS_PMU
       depends on CPU_SH4 || CPU_SH4A
       default y
       bool

235 236
if SUPERH32

237 238 239 240 241 242 243 244 245 246 247 248
choice
	prompt "Processor sub-type selection"

#
# Processor subtypes
#

# SH-2 Processor Support

config CPU_SUBTYPE_SH7619
	bool "Support SH7619 processor"
	select CPU_SH2
249
	select SYS_SUPPORTS_SH_CMT
250 251 252

# SH-2A Processor Support

253 254 255 256
config CPU_SUBTYPE_SH7201
	bool "Support SH7201 processor"
	select CPU_SH2A
	select CPU_HAS_FPU
257
	select SYS_SUPPORTS_SH_MTU2
258
 
P
Paul Mundt 已提交
259 260 261
config CPU_SUBTYPE_SH7203
	bool "Support SH7203 processor"
	select CPU_SH2A
P
Paul Mundt 已提交
262
	select CPU_HAS_FPU
263 264
	select SYS_SUPPORTS_SH_CMT
	select SYS_SUPPORTS_SH_MTU2
265
	select ARCH_WANT_OPTIONAL_GPIOLIB
266
	select PINCTRL
P
Paul Mundt 已提交
267

268 269 270
config CPU_SUBTYPE_SH7206
	bool "Support SH7206 processor"
	select CPU_SH2A
271 272
	select SYS_SUPPORTS_SH_CMT
	select SYS_SUPPORTS_SH_MTU2
273

P
Paul Mundt 已提交
274 275 276
config CPU_SUBTYPE_SH7263
	bool "Support SH7263 processor"
	select CPU_SH2A
P
Paul Mundt 已提交
277
	select CPU_HAS_FPU
278 279
	select SYS_SUPPORTS_SH_CMT
	select SYS_SUPPORTS_SH_MTU2
P
Paul Mundt 已提交
280

P
Phil Edworthy 已提交
281 282 283 284
config CPU_SUBTYPE_SH7264
	bool "Support SH7264 processor"
	select CPU_SH2A
	select CPU_HAS_FPU
285 286
	select SYS_SUPPORTS_SH_CMT
	select SYS_SUPPORTS_SH_MTU2
287
	select PINCTRL
P
Phil Edworthy 已提交
288

P
Phil Edworthy 已提交
289 290 291 292
config CPU_SUBTYPE_SH7269
	bool "Support SH7269 processor"
	select CPU_SH2A
	select CPU_HAS_FPU
293 294
	select SYS_SUPPORTS_SH_CMT
	select SYS_SUPPORTS_SH_MTU2
295
	select PINCTRL
P
Phil Edworthy 已提交
296

297 298 299
config CPU_SUBTYPE_MXG
	bool "Support MX-G processor"
	select CPU_SH2A
300
	select SYS_SUPPORTS_SH_MTU2
301 302 303
	help
	  Select MX-G if running on an R8A03022BG part.

304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352
# SH-3 Processor Support

config CPU_SUBTYPE_SH7705
	bool "Support SH7705 processor"
	select CPU_SH3

config CPU_SUBTYPE_SH7706
	bool "Support SH7706 processor"
	select CPU_SH3
	help
	  Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.

config CPU_SUBTYPE_SH7707
	bool "Support SH7707 processor"
	select CPU_SH3
	help
	  Select SH7707 if you have a  60 Mhz SH-3 HD6417707 CPU.

config CPU_SUBTYPE_SH7708
	bool "Support SH7708 processor"
	select CPU_SH3
	help
	  Select SH7708 if you have a  60 Mhz SH-3 HD6417708S or
	  if you have a 100 Mhz SH-3 HD6417708R CPU.

config CPU_SUBTYPE_SH7709
	bool "Support SH7709 processor"
	select CPU_SH3
	help
	  Select SH7709 if you have a  80 Mhz SH-3 HD6417709 CPU.

config CPU_SUBTYPE_SH7710
	bool "Support SH7710 processor"
	select CPU_SH3
	select CPU_HAS_DSP
	help
	  Select SH7710 if you have a SH3-DSP SH7710 CPU.

config CPU_SUBTYPE_SH7712
	bool "Support SH7712 processor"
	select CPU_SH3
	select CPU_HAS_DSP
	help
	  Select SH7712 if you have a SH3-DSP SH7712 CPU.

config CPU_SUBTYPE_SH7720
	bool "Support SH7720 processor"
	select CPU_SH3
	select CPU_HAS_DSP
353
	select SYS_SUPPORTS_SH_CMT
354
	select ARCH_WANT_OPTIONAL_GPIOLIB
355
	select USB_OHCI_SH if USB_OHCI_HCD
356
	select PINCTRL
357 358 359
	help
	  Select SH7720 if you have a SH3-DSP SH7720 CPU.

360 361 362 363
config CPU_SUBTYPE_SH7721
	bool "Support SH7721 processor"
	select CPU_SH3
	select CPU_HAS_DSP
364
	select SYS_SUPPORTS_SH_CMT
365
	select USB_OHCI_SH if USB_OHCI_HCD
366 367 368
	help
	  Select SH7721 if you have a SH3-DSP SH7721 CPU.

369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412
# SH-4 Processor Support

config CPU_SUBTYPE_SH7750
	bool "Support SH7750 processor"
	select CPU_SH4
	help
	  Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.

config CPU_SUBTYPE_SH7091
	bool "Support SH7091 processor"
	select CPU_SH4
	help
	  Select SH7091 if you have an SH-4 based Sega device (such as
	  the Dreamcast, Naomi, and Naomi 2).

config CPU_SUBTYPE_SH7750R
	bool "Support SH7750R processor"
	select CPU_SH4

config CPU_SUBTYPE_SH7750S
	bool "Support SH7750S processor"
	select CPU_SH4

config CPU_SUBTYPE_SH7751
	bool "Support SH7751 processor"
	select CPU_SH4
	help
	  Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
	  or if you have a HD6417751R CPU.

config CPU_SUBTYPE_SH7751R
	bool "Support SH7751R processor"
	select CPU_SH4

config CPU_SUBTYPE_SH7760
	bool "Support SH7760 processor"
	select CPU_SH4

config CPU_SUBTYPE_SH4_202
	bool "Support SH4-202 processor"
	select CPU_SH4

# SH-4A Processor Support

413 414 415 416
config CPU_SUBTYPE_SH7723
	bool "Support SH7723 processor"
	select CPU_SH4A
	select CPU_SHX2
417
	select ARCH_SHMOBILE
418
	select ARCH_SPARSEMEM_ENABLE
419
	select SYS_SUPPORTS_SH_CMT
420
	select ARCH_WANT_OPTIONAL_GPIOLIB
421
	select PINCTRL
422 423 424
	help
	  Select SH7723 if you have an SH-MobileR2 CPU.

425 426 427 428
config CPU_SUBTYPE_SH7724
	bool "Support SH7724 processor"
	select CPU_SH4A
	select CPU_SHX2
429
	select ARCH_SHMOBILE
430
	select ARCH_SPARSEMEM_ENABLE
431
	select SYS_SUPPORTS_SH_CMT
432
	select ARCH_WANT_OPTIONAL_GPIOLIB
433
	select PINCTRL
434 435 436
	help
	  Select SH7724 if you have an SH-MobileR2R CPU.

437 438 439 440 441
config CPU_SUBTYPE_SH7734
	bool "Support SH7734 processor"
	select CPU_SH4A
	select CPU_SHX2
	select ARCH_WANT_OPTIONAL_GPIOLIB
442
	select PINCTRL
443 444 445
	help
	  Select SH7734 if you have a SH4A SH7734 CPU.

446 447 448 449
config CPU_SUBTYPE_SH7757
	bool "Support SH7757 processor"
	select CPU_SH4A
	select CPU_SHX2
450
	select ARCH_WANT_OPTIONAL_GPIOLIB
451
	select PINCTRL
452 453 454
	help
	  Select SH7757 if you have a SH4A SH7757 CPU.

455 456 457
config CPU_SUBTYPE_SH7763
	bool "Support SH7763 processor"
	select CPU_SH4A
458
	select USB_OHCI_SH if USB_OHCI_HCD
459 460 461
	help
	  Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.

462 463 464 465 466 467 468 469 470 471 472 473
config CPU_SUBTYPE_SH7770
	bool "Support SH7770 processor"
	select CPU_SH4A

config CPU_SUBTYPE_SH7780
	bool "Support SH7780 processor"
	select CPU_SH4A

config CPU_SUBTYPE_SH7785
	bool "Support SH7785 processor"
	select CPU_SH4A
	select CPU_SHX2
474 475
	select ARCH_SPARSEMEM_ENABLE
	select SYS_SUPPORTS_NUMA
476
	select ARCH_WANT_OPTIONAL_GPIOLIB
477
	select PINCTRL
478 479 480 481

config CPU_SUBTYPE_SH7786
	bool "Support SH7786 processor"
	select CPU_SH4A
482
	select CPU_SHX3
483
	select CPU_HAS_PTEAEX
P
Paul Mundt 已提交
484
	select GENERIC_CLOCKEVENTS_BROADCAST if SMP
485
	select ARCH_WANT_OPTIONAL_GPIOLIB
486 487
	select USB_OHCI_SH if USB_OHCI_HCD
	select USB_EHCI_SH if USB_EHCI_HCD
488
	select PINCTRL
489 490 491 492 493

config CPU_SUBTYPE_SHX3
	bool "Support SH-X3 processor"
	select CPU_SH4A
	select CPU_SHX3
494
	select GENERIC_CLOCKEVENTS_BROADCAST if SMP
495
	select ARCH_REQUIRE_GPIOLIB
496
	select PINCTRL
497 498 499 500 501 502

# SH4AL-DSP Processor Support

config CPU_SUBTYPE_SH7343
	bool "Support SH7343 processor"
	select CPU_SH4AL_DSP
503
	select ARCH_SHMOBILE
504
	select SYS_SUPPORTS_SH_CMT
505 506 507 508 509

config CPU_SUBTYPE_SH7722
	bool "Support SH7722 processor"
	select CPU_SH4AL_DSP
	select CPU_SHX2
510
	select ARCH_SHMOBILE
511 512
	select ARCH_SPARSEMEM_ENABLE
	select SYS_SUPPORTS_NUMA
513
	select SYS_SUPPORTS_SH_CMT
514
	select ARCH_WANT_OPTIONAL_GPIOLIB
515
	select PINCTRL
516 517 518 519 520

config CPU_SUBTYPE_SH7366
	bool "Support SH7366 processor"
	select CPU_SH4AL_DSP
	select CPU_SHX2
521
	select ARCH_SHMOBILE
522 523
	select ARCH_SPARSEMEM_ENABLE
	select SYS_SUPPORTS_NUMA
524
	select SYS_SUPPORTS_SH_CMT
525

526 527 528 529 530 531 532 533 534
endchoice

endif

if SUPERH64

choice
	prompt "Processor sub-type selection"

535 536 537 538 539 540 541 542
# SH-5 Processor Support

config CPU_SUBTYPE_SH5_101
	bool "Support SH5-101 processor"
	select CPU_SH5

config CPU_SUBTYPE_SH5_103
	bool "Support SH5-103 processor"
543
	select CPU_SH5
544

545 546
endchoice

547 548
endif

P
Paul Mundt 已提交
549
source "arch/sh/mm/Kconfig"
550
 
551
source "arch/sh/Kconfig.cpu"
P
Paul Mundt 已提交
552

553
source "arch/sh/boards/Kconfig"
554 555 556

menu "Timer and clock configuration"

557 558
config SH_PCLK_FREQ
	int "Peripheral clock frequency (in Hz)"
559
	depends on SH_CLK_CPG_LEGACY
560
	default "31250000" if CPU_SUBTYPE_SH7619
561 562 563 564 565 566
	default "33333333" if CPU_SUBTYPE_SH7770 || \
			      CPU_SUBTYPE_SH7760 || \
			      CPU_SUBTYPE_SH7705 || \
			      CPU_SUBTYPE_SH7203 || \
			      CPU_SUBTYPE_SH7206 || \
			      CPU_SUBTYPE_SH7263 || \
P
Paul Mundt 已提交
567
			      CPU_SUBTYPE_MXG
P
Paul Mundt 已提交
568
	default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
569
	default "66000000" if CPU_SUBTYPE_SH4_202
P
Paul Mundt 已提交
570
	default "50000000"
L
Linus Torvalds 已提交
571
	help
572 573 574
	  This option is used to specify the peripheral clock frequency.
	  This is necessary for determining the reference clock value on
	  platforms lacking an RTC.
L
Linus Torvalds 已提交
575

576 577 578
config SH_CLK_CPG
	def_bool y

579
config SH_CLK_CPG_LEGACY
580
	depends on SH_CLK_CPG
P
Paul Mundt 已提交
581
	def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE && \
P
Phil Edworthy 已提交
582
		      !CPU_SHX3 && !CPU_SUBTYPE_SH7757 && \
583 584
		      !CPU_SUBTYPE_SH7734 && !CPU_SUBTYPE_SH7264 && \
		      !CPU_SUBTYPE_SH7269
585

586 587
endmenu

588 589 590 591
menu "CPU Frequency scaling"
source "drivers/cpufreq/Kconfig"
endmenu

P
Paul Mundt 已提交
592 593
source "arch/sh/drivers/Kconfig"

594
endmenu
L
Linus Torvalds 已提交
595

596 597
menu "Kernel features"

P
Paul Mundt 已提交
598 599
source kernel/Kconfig.hz

600 601
config KEXEC
	bool "kexec system call (EXPERIMENTAL)"
602
	depends on SUPERH32 && MMU
603
	select KEXEC_CORE
L
Linus Torvalds 已提交
604
	help
605 606
	  kexec is a system call that implements the ability to shutdown your
	  current kernel, and to start another kernel.  It is like a reboot
607
	  but it is independent of the system firmware.  And like a reboot
608 609
	  you can start any kernel with it, not just Linux.

610
	  The name comes from the similarity to the exec system call.
611 612 613

	  It is an ongoing process to be certain the hardware in a machine
	  is properly shutdown, so do not be surprised if this code does not
614 615 616
	  initially work for you.  As of this writing the exact hardware
	  interface is strongly in flux, so no good recommendation can be
	  made.
617

P
Paul Mundt 已提交
618 619
config CRASH_DUMP
	bool "kernel crash dumps (EXPERIMENTAL)"
620
	depends on SUPERH32 && BROKEN_ON_SMP
P
Paul Mundt 已提交
621 622 623 624 625 626 627
	help
	  Generate crash dump after being started by kexec.
	  This should be normally only set in special crash dump kernels
	  which are loaded in the main kernel with kexec-tools into
	  a specially reserved region and then later executed after
	  a crash by kdump/kexec. The crash dump kernel must be compiled
	  to a memory address not used by the main kernel using
S
Simon Horman 已提交
628
	  PHYSICAL_START.
P
Paul Mundt 已提交
629 630 631

	  For more details see Documentation/kdump/kdump.txt

M
Magnus Damm 已提交
632 633
config KEXEC_JUMP
	bool "kexec jump (EXPERIMENTAL)"
634
	depends on SUPERH32 && KEXEC && HIBERNATION
M
Magnus Damm 已提交
635 636 637 638
	help
	  Jump between original kernel and kexeced kernel and invoke
	  code via KEXEC

S
Simon Horman 已提交
639 640 641 642 643 644 645 646 647 648 649
config PHYSICAL_START
	hex "Physical address where the kernel is loaded" if (EXPERT || CRASH_DUMP)
	default MEMORY_START
	---help---
	  This gives the physical address where the kernel is loaded
	  and is ordinarily the same as MEMORY_START.

	  Different values are primarily used in the case of kexec on panic
	  where the fail safe kernel needs to run at a different address
	  than the panic-ed kernel.

P
Paul Mundt 已提交
650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665
config SECCOMP
	bool "Enable seccomp to safely compute untrusted bytecode"
	depends on PROC_FS
	help
	  This kernel feature is useful for number crunching applications
	  that may need to compute untrusted bytecode during their
	  execution. By using pipes or other transports made available to
	  the process as file descriptors supporting the read/write
	  syscalls, it's possible to isolate those applications in
	  their own address space using seccomp. Once seccomp is
	  enabled via prctl, it cannot be disabled and the task is only
	  allowed to execute a few safe syscalls defined by each seccomp
	  mode.

	  If unsure, say N.

L
Linus Torvalds 已提交
666 667
config SMP
	bool "Symmetric multi-processing support"
668
	depends on SYS_SUPPORTS_SMP
L
Linus Torvalds 已提交
669 670
	---help---
	  This enables support for systems with more than one CPU. If you have
671 672
	  a system with only one CPU, say N. If you have a system with more
	  than one CPU, say Y.
L
Linus Torvalds 已提交
673

674
	  If you say N here, the kernel will run on uni- and multiprocessor
L
Linus Torvalds 已提交
675 676
	  machines, but will use only one CPU of a multiprocessor machine. If
	  you say Y here, the kernel will run on many, but not all,
677
	  uniprocessor machines. On a uniprocessor machine, the kernel
L
Linus Torvalds 已提交
678 679 680 681 682
	  will run faster if you say N here.

	  People using multiprocessor machines who say Y here should also say
	  Y to "Enhanced Real Time Clock Support", below.

A
Adrian Bunk 已提交
683 684
	  See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
	  available at <http://www.tldp.org/docs.html#howto>.
L
Linus Torvalds 已提交
685 686 687 688 689 690 691

	  If you don't know what to do here, say N.

config NR_CPUS
	int "Maximum number of CPUs (2-32)"
	range 2 32
	depends on SMP
P
Paul Mundt 已提交
692
	default "4" if CPU_SUBTYPE_SHX3
L
Linus Torvalds 已提交
693 694 695 696 697 698 699 700 701
	default "2"
	help
	  This allows you to specify the maximum number of CPUs which this
	  kernel will support.  The maximum supported value is 32 and the
	  minimum value which makes sense is 2.

	  This is purely to save memory - each supported CPU adds
	  approximately eight kilobytes to the kernel image.

P
Paul Mundt 已提交
702 703
config HOTPLUG_CPU
	bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
704
	depends on SMP
P
Paul Mundt 已提交
705 706 707 708
	help
	  Say Y here to experiment with turning CPUs off and on.  CPUs
	  can be controlled through /sys/devices/system/cpu.

P
Paul Mundt 已提交
709 710
source "kernel/Kconfig.preempt"

P
Paul Mundt 已提交
711 712
config GUSA
	def_bool y
713
	depends on !SMP && SUPERH32
P
Paul Mundt 已提交
714 715 716 717 718 719 720 721 722 723 724
	help
	  This enables support for gUSA (general UserSpace Atomicity).
	  This is the default implementation for both UP and non-ll/sc
	  CPUs, and is used by the libc, amongst others.

	  For additional information, design information can be found 
	  in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.

	  This should only be disabled for special cases where alternate
	  atomicity implementations exist.

725 726 727 728 729
config GUSA_RB
	bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
	depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
	help
	  Enabling this option will allow the kernel to implement some
730
	  atomic operations using a software implementation of load-locked/
731 732
	  store-conditional (LLSC). On machines which do not have hardware
	  LLSC, this should be more efficient than the other alternative of
733
	  disabling interrupts around the atomic sequence.
734

735 736 737 738 739 740 741 742
config HW_PERF_EVENTS
	bool "Enable hardware performance counter support for perf events"
	depends on PERF_EVENTS && CPU_HAS_PMU
	default y
	help
	  Enable hardware performance counter support for perf events. If
	  disabled, perf events will use software events only.

P
Paul Mundt 已提交
743 744
source "drivers/sh/Kconfig"

745
endmenu
L
Linus Torvalds 已提交
746

747
menu "Boot options"
L
Linus Torvalds 已提交
748

749
config ZERO_PAGE_OFFSET
750 751 752 753
	hex
	default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \
				SH_7751_SOLUTION_ENGINE
	default "0x00004000" if PAGE_SIZE_16KB || SH_SH03
754
	default "0x00002000" if PAGE_SIZE_8KB
755
	default "0x00001000"
L
Linus Torvalds 已提交
756
	help
757
	  This sets the default offset of zero page.
L
Linus Torvalds 已提交
758

759
config BOOT_LINK_OFFSET
760 761
	hex
	default "0x00210000" if SH_SHMIN
762
	default "0x00400000" if SH_CAYMAN
763 764 765 766
	default "0x00810000" if SH_7780_SOLUTION_ENGINE
	default "0x009e0000" if SH_TITAN
	default "0x01800000" if SH_SDK7780
	default "0x02000000" if SH_EDOSK7760
767 768 769 770 771
	default "0x00800000"
	help
	  This option allows you to set the link address offset of the zImage.
	  This can be useful if you are on a board which has a small amount of
	  memory.
L
Linus Torvalds 已提交
772

773 774 775 776 777 778 779 780
config ENTRY_OFFSET
	hex
	default "0x00001000" if PAGE_SIZE_4KB
	default "0x00002000" if PAGE_SIZE_8KB
	default "0x00004000" if PAGE_SIZE_16KB
	default "0x00010000" if PAGE_SIZE_64KB
	default "0x00000000"

781 782
config ROMIMAGE_MMCIF
	bool "Include MMCIF loader in romImage (EXPERIMENTAL)"
783
	depends on CPU_SUBTYPE_SH7724
784 785 786 787 788 789 790 791
	help
	  Say Y here to include experimental MMCIF loading code in
	  romImage. With this enabled it is possible to write the romImage
	  kernel image to an MMC card and boot the kernel straight from
	  the reset vector. At reset the processor Mask ROM will load the
	  first part of the romImage which in turn loads the rest the kernel
	  image to RAM using the MMCIF hardware block.

792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812
choice
	prompt "Kernel command line"
	optional
	default CMDLINE_OVERWRITE
	help
	  Setting this option allows the kernel command line arguments
	  to be set.

config CMDLINE_OVERWRITE
	bool "Overwrite bootloader kernel arguments"
	help
	  Given string will overwrite any arguments passed in by
	  a bootloader.

config CMDLINE_EXTEND
	bool "Extend bootloader kernel arguments"
	help
	  Given string will be concatenated with arguments passed in
	  by a bootloader.

endchoice
L
Linus Torvalds 已提交
813

814
config CMDLINE
815 816
	string "Kernel command line arguments string"
	depends on CMDLINE_OVERWRITE || CMDLINE_EXTEND
817
	default "console=ttySC1,115200"
L
Linus Torvalds 已提交
818 819 820

endmenu

821
menu "Bus options"
L
Linus Torvalds 已提交
822

823 824 825
config SUPERHYWAY
	tristate "SuperHyway Bus support"
	depends on CPU_SUBTYPE_SH4_202
L
Linus Torvalds 已提交
826

827
config MAPLE
828 829 830 831 832 833 834 835 836
	bool "Maple Bus support"
	depends on SH_DREAMCAST
	help
	 The Maple Bus is SEGA's serial communication bus for peripherals
	 on the Dreamcast. Without this bus support you won't be able to
	 get your Dreamcast keyboard etc to work, so most users
	 probably want to say 'Y' here, unless you are only using the
	 Dreamcast with a serial line terminal or a remote network
	 connection.
837

838 839 840
config PCI
	bool "PCI support"
	depends on SYS_SUPPORTS_PCI
P
Paul Mundt 已提交
841
	select PCI_DOMAINS
842
	select GENERIC_PCI_IOMAP
843
	select NO_GENERIC_PCI_IOPORT_MAP
844 845 846 847
	help
	  Find out whether you have a PCI motherboard. PCI is the name of a
	  bus system, i.e. the way the CPU talks to the other stuff inside
	  your box. If you have PCI, say Y, otherwise N.
L
Linus Torvalds 已提交
848

P
Paul Mundt 已提交
849 850 851
config PCI_DOMAINS
	bool

L
Linus Torvalds 已提交
852 853 854 855 856 857 858 859 860 861 862 863
source "drivers/pci/Kconfig"

source "drivers/pcmcia/Kconfig"

endmenu

menu "Executable file formats"

source "fs/Kconfig.binfmt"

endmenu

A
Andriy Skulysh 已提交
864
menu "Power management options (EXPERIMENTAL)"
J
Johannes Berg 已提交
865

M
Magnus Damm 已提交
866 867 868
source "kernel/power/Kconfig"

source "drivers/cpuidle/Kconfig"
A
Andriy Skulysh 已提交
869 870 871

endmenu

872 873
source "net/Kconfig"

L
Linus Torvalds 已提交
874 875 876 877 878 879 880 881 882 883 884
source "drivers/Kconfig"

source "fs/Kconfig"

source "arch/sh/Kconfig.debug"

source "security/Kconfig"

source "crypto/Kconfig"

source "lib/Kconfig"