Kconfig 20.8 KB
Newer Older
L
Linus Torvalds 已提交
1
config SUPERH
2
	def_bool y
3
	select EXPERT
4
	select CLKDEV_LOOKUP
5
	select HAVE_IDE if HAS_IOPORT
Y
Yinghai Lu 已提交
6
	select HAVE_MEMBLOCK
M
Mathieu Desnoyers 已提交
7
	select HAVE_OPROFILE
8
	select HAVE_GENERIC_DMA_COHERENT
9
	select HAVE_ARCH_TRACEHOOK
10
	select HAVE_DMA_API_DEBUG
11
	select HAVE_DMA_ATTRS
12
	select HAVE_IRQ_WORK
13
	select HAVE_PERF_EVENTS
14
	select ARCH_HAVE_NMI_SAFE_CMPXCHG if (GUSA_RB || CPU_SH4A)
15
	select PERF_USE_VMALLOC
16
	select HAVE_KERNEL_GZIP
P
Paul Mundt 已提交
17 18
	select HAVE_KERNEL_BZIP2
	select HAVE_KERNEL_LZMA
P
Paul Mundt 已提交
19
	select HAVE_KERNEL_XZ
20
	select HAVE_KERNEL_LZO
21
	select HAVE_SYSCALL_TRACEPOINTS
P
Paul Mundt 已提交
22
	select HAVE_REGS_AND_STACK_ACCESS_API
P
Paul Mundt 已提交
23 24
	select HAVE_GENERIC_HARDIRQS
	select HAVE_SPARSE_IRQ
P
Paul Mundt 已提交
25
	select IRQ_FORCED_THREADING
26
	select RTC_LIB
27
	select GENERIC_ATOMIC64
28
	select GENERIC_IRQ_SHOW
L
Linus Torvalds 已提交
29 30 31 32 33 34
	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
35
config SUPERH32
36
	def_bool ARCH = "sh"
C
Chris Smith 已提交
37 38
	select HAVE_KPROBES
	select HAVE_KRETPROBES
39
	select HAVE_IOREMAP_PROT if MMU && !X2TLB
40
	select HAVE_FUNCTION_TRACER
M
Matt Fleming 已提交
41 42
	select HAVE_FTRACE_MCOUNT_RECORD
	select HAVE_DYNAMIC_FTRACE
43
	select HAVE_FUNCTION_TRACE_MCOUNT_TEST
44
	select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE
M
Matt Fleming 已提交
45
	select HAVE_FUNCTION_GRAPH_TRACER
P
Paul Mundt 已提交
46
	select HAVE_ARCH_KGDB
47
	select HAVE_HW_BREAKPOINT
48
	select HAVE_MIXED_BREAKPOINTS_REGS
49
	select PERF_EVENTS
50
	select ARCH_HIBERNATION_POSSIBLE if MMU
P
Paul Mundt 已提交
51
	select SPARSE_IRQ
52 53

config SUPERH64
54
	def_bool ARCH = "sh64"
P
Paul Mundt 已提交
55

56 57 58 59 60
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
61
config RWSEM_GENERIC_SPINLOCK
62
	def_bool y
L
Linus Torvalds 已提交
63 64 65 66

config RWSEM_XCHGADD_ALGORITHM
	bool

P
Paul Mundt 已提交
67 68
config GENERIC_BUG
	def_bool y
69
	depends on BUG && SUPERH32
P
Paul Mundt 已提交
70

71 72 73 74
config GENERIC_CSUM
	def_bool y
	depends on SUPERH64

75
config GENERIC_HWEIGHT
76
	def_bool y
77

P
Paul Mundt 已提交
78 79 80
config IRQ_PER_CPU
	def_bool y

M
Magnus Damm 已提交
81 82 83
config GENERIC_GPIO
	def_bool n

L
Linus Torvalds 已提交
84
config GENERIC_CALIBRATE_DELAY
85
	bool
L
Linus Torvalds 已提交
86

87
config GENERIC_CLOCKEVENTS
88
	def_bool y
89

90 91 92
config GENERIC_CLOCKEVENTS_BROADCAST
	bool

93 94 95 96
config GENERIC_CMOS_UPDATE
	def_bool y
	depends on SH_SH03 || SH_DREAMCAST

P
Paul Mundt 已提交
97 98 99 100
config GENERIC_LOCKBREAK
	def_bool y
	depends on SMP && PREEMPT

M
Magnus Damm 已提交
101 102 103 104 105
config ARCH_SUSPEND_POSSIBLE
	def_bool n

config ARCH_HIBERNATION_POSSIBLE
	def_bool n
106

107 108
config SYS_SUPPORTS_APM_EMULATION
	bool
M
Magnus Damm 已提交
109
	select ARCH_SUSPEND_POSSIBLE
110

111 112 113
config SYS_SUPPORTS_HUGETLBFS
	bool

114 115 116 117 118 119 120 121
config SYS_SUPPORTS_SMP
	bool

config SYS_SUPPORTS_NUMA
	bool

config SYS_SUPPORTS_PCI
	bool
122

123 124 125
config SYS_SUPPORTS_CMT
	bool

126 127 128
config SYS_SUPPORTS_MTU2
	bool

129 130 131
config SYS_SUPPORTS_TMU
	bool

132
config STACKTRACE_SUPPORT
133
	def_bool y
134 135

config LOCKDEP_SUPPORT
136
	def_bool y
137

P
Paul Mundt 已提交
138 139 140
config HAVE_LATENCYTOP_SUPPORT
	def_bool y

141
config ARCH_HAS_ILOG2_U32
142
	def_bool n
143 144

config ARCH_HAS_ILOG2_U64
145
	def_bool n
146

147 148 149
config ARCH_NO_VIRT_TO_BUS
	def_bool y

150 151 152
config ARCH_HAS_DEFAULT_IDLE
	def_bool y

153 154 155
config ARCH_HAS_CPU_IDLE_WAIT
	def_bool y

156
config NO_IOPORT
P
Paul Mundt 已提交
157
	def_bool !PCI
158
	depends on !SH_CAYMAN && !SH_SH4202_MICRODEV && !SH_SHMIN
159

M
Magnus Damm 已提交
160 161 162
config IO_TRAPPED
	bool

163 164 165 166 167 168
config DMA_COHERENT
	bool

config DMA_NONCOHERENT
	def_bool !DMA_COHERENT

169 170 171
config NEED_DMA_MAP_STATE
	def_bool DMA_NONCOHERENT

172 173 174
config NEED_SG_DMA_LENGTH
	def_bool y

L
Linus Torvalds 已提交
175 176
source "init/Kconfig"

177 178
source "kernel/Kconfig.freezer"

L
Linus Torvalds 已提交
179 180
menu "System type"

181 182 183 184 185 186 187 188 189
#
# Processor families
#
config CPU_SH2
	bool

config CPU_SH2A
	bool
	select CPU_SH2
P
Paul Mundt 已提交
190
	select UNCACHED_MAPPING
191 192 193 194 195

config CPU_SH3
	bool
	select CPU_HAS_INTEVT
	select CPU_HAS_SR_RB
196
	select SYS_SUPPORTS_TMU
197 198 199 200 201 202

config CPU_SH4
	bool
	select CPU_HAS_INTEVT
	select CPU_HAS_SR_RB
	select CPU_HAS_FPU if !CPU_SH4AL_DSP
203
	select SYS_SUPPORTS_TMU
204
	select SYS_SUPPORTS_HUGETLBFS if MMU
205 206 207 208 209 210 211 212 213 214

config CPU_SH4A
	bool
	select CPU_SH4

config CPU_SH4AL_DSP
	bool
	select CPU_SH4A
	select CPU_HAS_DSP

215 216 217
config CPU_SH5
	bool
	select CPU_HAS_FPU
218
	select SYS_SUPPORTS_TMU
219
	select SYS_SUPPORTS_HUGETLBFS if MMU
220

221 222 223 224 225
config CPU_SHX2
	bool

config CPU_SHX3
	bool
226
	select DMA_COHERENT
227 228
	select SYS_SUPPORTS_SMP
	select SYS_SUPPORTS_NUMA
229

230 231
config ARCH_SHMOBILE
	bool
M
Magnus Damm 已提交
232
	select ARCH_SUSPEND_POSSIBLE
233 234
	select PM
	select PM_RUNTIME
235

236 237 238 239 240
config CPU_HAS_PMU
       depends on CPU_SH4 || CPU_SH4A
       default y
       bool

241 242
if SUPERH32

243 244 245 246 247 248 249 250 251 252 253 254
choice
	prompt "Processor sub-type selection"

#
# Processor subtypes
#

# SH-2 Processor Support

config CPU_SUBTYPE_SH7619
	bool "Support SH7619 processor"
	select CPU_SH2
255
	select SYS_SUPPORTS_CMT
256 257 258

# SH-2A Processor Support

259 260 261 262
config CPU_SUBTYPE_SH7201
	bool "Support SH7201 processor"
	select CPU_SH2A
	select CPU_HAS_FPU
M
Magnus Damm 已提交
263
	select SYS_SUPPORTS_MTU2
264
 
P
Paul Mundt 已提交
265 266 267
config CPU_SUBTYPE_SH7203
	bool "Support SH7203 processor"
	select CPU_SH2A
P
Paul Mundt 已提交
268
	select CPU_HAS_FPU
269
	select SYS_SUPPORTS_CMT
M
Magnus Damm 已提交
270
	select SYS_SUPPORTS_MTU2
271
	select ARCH_WANT_OPTIONAL_GPIOLIB
P
Paul Mundt 已提交
272

273 274 275
config CPU_SUBTYPE_SH7206
	bool "Support SH7206 processor"
	select CPU_SH2A
276
	select SYS_SUPPORTS_CMT
M
Magnus Damm 已提交
277
	select SYS_SUPPORTS_MTU2
278

P
Paul Mundt 已提交
279 280 281
config CPU_SUBTYPE_SH7263
	bool "Support SH7263 processor"
	select CPU_SH2A
P
Paul Mundt 已提交
282
	select CPU_HAS_FPU
283
	select SYS_SUPPORTS_CMT
M
Magnus Damm 已提交
284
	select SYS_SUPPORTS_MTU2
P
Paul Mundt 已提交
285

286 287 288
config CPU_SUBTYPE_MXG
	bool "Support MX-G processor"
	select CPU_SH2A
M
Magnus Damm 已提交
289
	select SYS_SUPPORTS_MTU2
290 291 292
	help
	  Select MX-G if running on an R8A03022BG part.

293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341
# 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
342
	select SYS_SUPPORTS_CMT
343
	select ARCH_WANT_OPTIONAL_GPIOLIB
344
	select USB_ARCH_HAS_OHCI
345
	select USB_OHCI_SH if USB_OHCI_HCD
346 347 348
	help
	  Select SH7720 if you have a SH3-DSP SH7720 CPU.

349 350 351 352
config CPU_SUBTYPE_SH7721
	bool "Support SH7721 processor"
	select CPU_SH3
	select CPU_HAS_DSP
353
	select SYS_SUPPORTS_CMT
354
	select USB_ARCH_HAS_OHCI
355
	select USB_OHCI_SH if USB_OHCI_HCD
356 357 358
	help
	  Select SH7721 if you have a SH3-DSP SH7721 CPU.

359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402
# 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

403 404 405 406
config CPU_SUBTYPE_SH7723
	bool "Support SH7723 processor"
	select CPU_SH4A
	select CPU_SHX2
407
	select ARCH_SHMOBILE
408
	select ARCH_SPARSEMEM_ENABLE
409
	select SYS_SUPPORTS_CMT
410
	select ARCH_WANT_OPTIONAL_GPIOLIB
411 412 413
	help
	  Select SH7723 if you have an SH-MobileR2 CPU.

414 415 416 417
config CPU_SUBTYPE_SH7724
	bool "Support SH7724 processor"
	select CPU_SH4A
	select CPU_SHX2
418
	select ARCH_SHMOBILE
419 420
	select ARCH_SPARSEMEM_ENABLE
	select SYS_SUPPORTS_CMT
421
	select ARCH_WANT_OPTIONAL_GPIOLIB
422 423 424
	help
	  Select SH7724 if you have an SH-MobileR2R CPU.

425 426 427 428
config CPU_SUBTYPE_SH7757
	bool "Support SH7757 processor"
	select CPU_SH4A
	select CPU_SHX2
429
	select ARCH_WANT_OPTIONAL_GPIOLIB
430 431
	select USB_ARCH_HAS_OHCI
	select USB_ARCH_HAS_EHCI
432 433 434
	help
	  Select SH7757 if you have a SH4A SH7757 CPU.

435 436 437
config CPU_SUBTYPE_SH7763
	bool "Support SH7763 processor"
	select CPU_SH4A
438
	select USB_ARCH_HAS_OHCI
439
	select USB_OHCI_SH if USB_OHCI_HCD
440 441 442
	help
	  Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.

443 444 445 446 447 448 449 450 451 452 453 454
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
455 456
	select ARCH_SPARSEMEM_ENABLE
	select SYS_SUPPORTS_NUMA
457
	select ARCH_WANT_OPTIONAL_GPIOLIB
458 459 460 461

config CPU_SUBTYPE_SH7786
	bool "Support SH7786 processor"
	select CPU_SH4A
462
	select CPU_SHX3
463
	select CPU_HAS_PTEAEX
P
Paul Mundt 已提交
464
	select GENERIC_CLOCKEVENTS_BROADCAST if SMP
465
	select ARCH_WANT_OPTIONAL_GPIOLIB
466
	select USB_ARCH_HAS_OHCI
467
	select USB_OHCI_SH if USB_OHCI_HCD
468
	select USB_ARCH_HAS_EHCI
469
	select USB_EHCI_SH if USB_EHCI_HCD
470 471 472 473 474

config CPU_SUBTYPE_SHX3
	bool "Support SH-X3 processor"
	select CPU_SH4A
	select CPU_SHX3
475
	select GENERIC_CLOCKEVENTS_BROADCAST if SMP
476
	select ARCH_REQUIRE_GPIOLIB
477 478 479 480 481 482

# SH4AL-DSP Processor Support

config CPU_SUBTYPE_SH7343
	bool "Support SH7343 processor"
	select CPU_SH4AL_DSP
483
	select ARCH_SHMOBILE
484
	select SYS_SUPPORTS_CMT
485 486 487 488 489

config CPU_SUBTYPE_SH7722
	bool "Support SH7722 processor"
	select CPU_SH4AL_DSP
	select CPU_SHX2
490
	select ARCH_SHMOBILE
491 492
	select ARCH_SPARSEMEM_ENABLE
	select SYS_SUPPORTS_NUMA
493
	select SYS_SUPPORTS_CMT
494
	select ARCH_WANT_OPTIONAL_GPIOLIB
495 496 497 498 499

config CPU_SUBTYPE_SH7366
	bool "Support SH7366 processor"
	select CPU_SH4AL_DSP
	select CPU_SHX2
500
	select ARCH_SHMOBILE
501 502
	select ARCH_SPARSEMEM_ENABLE
	select SYS_SUPPORTS_NUMA
503
	select SYS_SUPPORTS_CMT
504

505 506 507 508 509 510 511 512 513
endchoice

endif

if SUPERH64

choice
	prompt "Processor sub-type selection"

514 515 516 517 518 519 520 521
# 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"
522
	select CPU_SH5
523

524 525
endchoice

526 527
endif

P
Paul Mundt 已提交
528
source "arch/sh/mm/Kconfig"
529
 
530
source "arch/sh/Kconfig.cpu"
P
Paul Mundt 已提交
531

532
source "arch/sh/boards/Kconfig"
533 534 535

menu "Timer and clock configuration"

536 537
config SH_TIMER_TMU
	bool "TMU timer driver"
M
Magnus Damm 已提交
538
	depends on SYS_SUPPORTS_TMU
539 540 541 542
	default y
	help
	  This enables the build of the TMU timer driver.

543
config SH_TIMER_CMT
M
Magnus Damm 已提交
544 545 546 547 548
	bool "CMT timer driver"
	depends on SYS_SUPPORTS_CMT
	default y
	help
	  This enables build of the CMT timer driver.
549

550 551
config SH_TIMER_MTU2
	bool "MTU2 timer driver"
M
Magnus Damm 已提交
552
	depends on SYS_SUPPORTS_MTU2
553 554 555 556
	default y
	help
	  This enables build of the MTU2 timer driver.

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 && \
582
		      !CPU_SHX3 && !CPU_SUBTYPE_SH7757
583

584 585
source "kernel/time/Kconfig"

586 587
endmenu

588 589 590
menu "CPU Frequency scaling"

source "drivers/cpufreq/Kconfig"
L
Linus Torvalds 已提交
591

592 593
config SH_CPU_FREQ
	tristate "SuperH CPU Frequency driver"
594
	depends on CPU_FREQ
595
	select CPU_FREQ_TABLE
L
Linus Torvalds 已提交
596
	help
P
Paul Mundt 已提交
597 598 599 600 601 602
	  This adds the cpufreq driver for SuperH. Any CPU that supports
	  clock rate rounding through the clock framework can use this
	  driver. While it will make the kernel slightly larger, this is
	  harmless for CPUs that don't support rate rounding. The driver
	  will also generate a notice in the boot log before disabling
	  itself if the CPU in question is not capable of rate rounding.
L
Linus Torvalds 已提交
603

604
	  For details, take a look at <file:Documentation/cpu-freq>.
L
Linus Torvalds 已提交
605 606 607

	  If unsure, say N.

608 609
endmenu

P
Paul Mundt 已提交
610 611
source "arch/sh/drivers/Kconfig"

612
endmenu
L
Linus Torvalds 已提交
613

614 615
menu "Kernel features"

P
Paul Mundt 已提交
616 617
source kernel/Kconfig.hz

618 619
config KEXEC
	bool "kexec system call (EXPERIMENTAL)"
620
	depends on SUPERH32 && EXPERIMENTAL && MMU
L
Linus Torvalds 已提交
621
	help
622 623
	  kexec is a system call that implements the ability to shutdown your
	  current kernel, and to start another kernel.  It is like a reboot
624
	  but it is independent of the system firmware.  And like a reboot
625 626
	  you can start any kernel with it, not just Linux.

627
	  The name comes from the similarity to the exec system call.
628 629 630 631 632 633 634

	  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
	  initially work for you.  It may help to enable device hotplugging
	  support.  As of this writing the exact hardware interface is
	  strongly in flux, so no good recommendation can be made.

P
Paul Mundt 已提交
635 636
config CRASH_DUMP
	bool "kernel crash dumps (EXPERIMENTAL)"
637
	depends on SUPERH32 && EXPERIMENTAL && BROKEN_ON_SMP
P
Paul Mundt 已提交
638 639 640 641 642 643 644
	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
645
	  PHYSICAL_START.
P
Paul Mundt 已提交
646 647 648

	  For more details see Documentation/kdump/kdump.txt

M
Magnus Damm 已提交
649 650 651 652 653 654 655
config KEXEC_JUMP
	bool "kexec jump (EXPERIMENTAL)"
	depends on SUPERH32 && KEXEC && HIBERNATION && EXPERIMENTAL
	help
	  Jump between original kernel and kexeced kernel and invoke
	  code via KEXEC

S
Simon Horman 已提交
656 657 658 659 660 661 662 663 664 665 666
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
667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682
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
683 684
config SMP
	bool "Symmetric multi-processing support"
685
	depends on SYS_SUPPORTS_SMP
686
	select USE_GENERIC_SMP_HELPERS
L
Linus Torvalds 已提交
687 688 689 690 691 692 693 694 695 696 697 698 699 700
	---help---
	  This enables support for systems with more than one CPU. If you have
	  a system with only one CPU, like most personal computers, say N. If
	  you have a system with more than one CPU, say Y.

	  If you say N here, the kernel will run on single and multiprocessor
	  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,
	  singleprocessor machines. On a singleprocessor machine, the kernel
	  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
701 702
	  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
703 704 705 706 707 708 709

	  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
710
	default "4" if CPU_SUBTYPE_SHX3
L
Linus Torvalds 已提交
711 712 713 714 715 716 717 718 719
	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
720 721 722 723 724 725 726
config HOTPLUG_CPU
	bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
	depends on SMP && HOTPLUG && EXPERIMENTAL
	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
727 728
source "kernel/Kconfig.preempt"

P
Paul Mundt 已提交
729 730
config GUSA
	def_bool y
731
	depends on !SMP && SUPERH32
P
Paul Mundt 已提交
732 733 734 735 736 737 738 739 740 741 742
	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.

743 744 745 746 747
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
748
	  atomic operations using a software implementation of load-locked/
749 750
	  store-conditional (LLSC). On machines which do not have hardware
	  LLSC, this should be more efficient than the other alternative of
751
	  disabling interrupts around the atomic sequence.
752

753 754 755 756 757 758 759 760
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
761 762
source "drivers/sh/Kconfig"

763
endmenu
L
Linus Torvalds 已提交
764

765
menu "Boot options"
L
Linus Torvalds 已提交
766

767
config ZERO_PAGE_OFFSET
768 769 770 771
	hex
	default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \
				SH_7751_SOLUTION_ENGINE
	default "0x00004000" if PAGE_SIZE_16KB || SH_SH03
772
	default "0x00002000" if PAGE_SIZE_8KB
773
	default "0x00001000"
L
Linus Torvalds 已提交
774
	help
775
	  This sets the default offset of zero page.
L
Linus Torvalds 已提交
776

777
config BOOT_LINK_OFFSET
778 779
	hex
	default "0x00210000" if SH_SHMIN
780
	default "0x00400000" if SH_CAYMAN
781 782 783 784
	default "0x00810000" if SH_7780_SOLUTION_ENGINE
	default "0x009e0000" if SH_TITAN
	default "0x01800000" if SH_SDK7780
	default "0x02000000" if SH_EDOSK7760
785 786 787 788 789
	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
790

791 792 793 794 795 796 797 798
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"

799 800 801 802 803 804 805 806 807 808 809
config ROMIMAGE_MMCIF
	bool "Include MMCIF loader in romImage (EXPERIMENTAL)"
	depends on CPU_SUBTYPE_SH7724 && EXPERIMENTAL
	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.

810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830
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
831

832
config CMDLINE
833 834
	string "Kernel command line arguments string"
	depends on CMDLINE_OVERWRITE || CMDLINE_EXTEND
835
	default "console=ttySC1,115200"
L
Linus Torvalds 已提交
836 837 838

endmenu

839
menu "Bus options"
L
Linus Torvalds 已提交
840

841 842 843
config SUPERHYWAY
	tristate "SuperHyway Bus support"
	depends on CPU_SUBTYPE_SH4_202
L
Linus Torvalds 已提交
844

845
config MAPLE
846 847 848 849 850 851 852 853 854
	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.
855

856 857 858
config PCI
	bool "PCI support"
	depends on SYS_SUPPORTS_PCI
P
Paul Mundt 已提交
859
	select PCI_DOMAINS
860 861 862 863
	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
864

P
Paul Mundt 已提交
865 866 867
config PCI_DOMAINS
	bool

868 869
source "drivers/pci/pcie/Kconfig"

L
Linus Torvalds 已提交
870 871 872 873 874 875 876 877 878 879 880 881 882 883
source "drivers/pci/Kconfig"

source "drivers/pcmcia/Kconfig"

source "drivers/pci/hotplug/Kconfig"

endmenu

menu "Executable file formats"

source "fs/Kconfig.binfmt"

endmenu

A
Andriy Skulysh 已提交
884
menu "Power management options (EXPERIMENTAL)"
M
Magnus Damm 已提交
885
depends on EXPERIMENTAL
J
Johannes Berg 已提交
886

M
Magnus Damm 已提交
887 888 889
source "kernel/power/Kconfig"

source "drivers/cpuidle/Kconfig"
A
Andriy Skulysh 已提交
890 891 892

endmenu

893 894
source "net/Kconfig"

L
Linus Torvalds 已提交
895 896 897 898 899 900 901 902 903 904 905
source "drivers/Kconfig"

source "fs/Kconfig"

source "arch/sh/Kconfig.debug"

source "security/Kconfig"

source "crypto/Kconfig"

source "lib/Kconfig"