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1 #
2 # For a description of the syntax of this configuration file,
3 # see Documentation/kbuild/kconfig-language.txt.
4 #
5
6 mainmenu "Linux/SuperH Kernel Configuration"
7
8 config SUPERH
9 bool
10 default y
11 select EMBEDDED
12 help
13 The SuperH is a RISC processor targeted for use in embedded systems
14 and consumer electronics; it was also used in the Sega Dreamcast
15 gaming console. The SuperH port has a home page at
16 <http://www.linux-sh.org/>.
17
18 config RWSEM_GENERIC_SPINLOCK
19 bool
20 default y
21
22 config RWSEM_XCHGADD_ALGORITHM
23 bool
24
25 config GENERIC_BUG
26 def_bool y
27 depends on BUG
28
29 config GENERIC_FIND_NEXT_BIT
30 bool
31 default y
32
33 config GENERIC_HWEIGHT
34 bool
35 default y
36
37 config GENERIC_HARDIRQS
38 bool
39 default y
40
41 config GENERIC_IRQ_PROBE
42 bool
43 default y
44
45 config GENERIC_CALIBRATE_DELAY
46 bool
47 default y
48
49 config GENERIC_IOMAP
50 bool
51
52 config GENERIC_TIME
53 def_bool n
54
55 config GENERIC_CLOCKEVENTS
56 def_bool n
57
58 config SYS_SUPPORTS_PM
59 bool
60
61 config SYS_SUPPORTS_APM_EMULATION
62 bool
63 select SYS_SUPPORTS_PM
64
65 config SYS_SUPPORTS_SMP
66 bool
67
68 config SYS_SUPPORTS_NUMA
69 bool
70
71 config SYS_SUPPORTS_PCI
72 bool
73
74 config ARCH_MAY_HAVE_PC_FDC
75 bool
76
77 config STACKTRACE_SUPPORT
78 bool
79 default y
80
81 config LOCKDEP_SUPPORT
82 bool
83 default y
84
85 config ARCH_HAS_ILOG2_U32
86 bool
87 default n
88
89 config ARCH_HAS_ILOG2_U64
90 bool
91 default n
92
93 source "init/Kconfig"
94
95 menu "System type"
96
97 source "arch/sh/mm/Kconfig"
98
99 menu "Processor features"
100
101 choice
102 prompt "Endianess selection"
103 default CPU_LITTLE_ENDIAN
104 help
105 Some SuperH machines can be configured for either little or big
106 endian byte order. These modes require different kernels.
107
108 config CPU_LITTLE_ENDIAN
109 bool "Little Endian"
110
111 config CPU_BIG_ENDIAN
112 bool "Big Endian"
113
114 endchoice
115
116 config SH_FPU
117 bool "FPU support"
118 depends on CPU_SH4
119 default y
120 help
121 Selecting this option will enable support for SH processors that
122 have FPU units (ie, SH77xx).
123
124 This option must be set in order to enable the FPU.
125
126 config SH_FPU_EMU
127 bool "FPU emulation support"
128 depends on !SH_FPU && EXPERIMENTAL
129 default n
130 help
131 Selecting this option will enable support for software FPU emulation.
132 Most SH-3 users will want to say Y here, whereas most SH-4 users will
133 want to say N.
134
135 config SH_DSP
136 bool "DSP support"
137 default y if SH4AL_DSP || !CPU_SH4
138 default n
139 help
140 Selecting this option will enable support for SH processors that
141 have DSP units (ie, SH2-DSP, SH3-DSP, and SH4AL-DSP).
142
143 This option must be set in order to enable the DSP.
144
145 config SH_ADC
146 bool "ADC support"
147 depends on CPU_SH3
148 default y
149 help
150 Selecting this option will allow the Linux kernel to use SH3 on-chip
151 ADC module.
152
153 If unsure, say N.
154
155 config SH_STORE_QUEUES
156 bool "Support for Store Queues"
157 depends on CPU_SH4
158 help
159 Selecting this option will enable an in-kernel API for manipulating
160 the store queues integrated in the SH-4 processors.
161
162 config SPECULATIVE_EXECUTION
163 bool "Speculative subroutine return"
164 depends on CPU_SUBTYPE_SH7780 && EXPERIMENTAL
165 help
166 This enables support for a speculative instruction fetch for
167 subroutine return. There are various pitfalls associated with
168 this, as outlined in the SH7780 hardware manual.
169
170 If unsure, say N.
171
172 config CPU_HAS_INTEVT
173 bool
174
175 config CPU_HAS_PINT_IRQ
176 bool
177
178 config CPU_HAS_MASKREG_IRQ
179 bool
180
181 config CPU_HAS_INTC_IRQ
182 bool
183
184 config CPU_HAS_INTC2_IRQ
185 bool
186
187 config CPU_HAS_IPR_IRQ
188 bool
189
190 config CPU_HAS_SR_RB
191 bool "CPU has SR.RB"
192 depends on CPU_SH3 || CPU_SH4
193 default y
194 help
195 This will enable the use of SR.RB register bank usage. Processors
196 that are lacking this bit must have another method in place for
197 accomplishing what is taken care of by the banked registers.
198
199 See <file:Documentation/sh/register-banks.txt> for further
200 information on SR.RB and register banking in the kernel in general.
201
202 config CPU_HAS_PTEA
203 bool
204
205 endmenu
206
207 menu "Board support"
208
209 config SOLUTION_ENGINE
210 bool
211
212 config SH_SOLUTION_ENGINE
213 bool "SolutionEngine"
214 select SOLUTION_ENGINE
215 select CPU_HAS_IPR_IRQ
216 depends on CPU_SUBTYPE_SH7709 || CPU_SUBTYPE_SH7750
217 help
218 Select SolutionEngine if configuring for a Hitachi SH7709
219 or SH7750 evaluation board.
220
221 config SH_7206_SOLUTION_ENGINE
222 bool "SolutionEngine7206"
223 select SOLUTION_ENGINE
224 depends on CPU_SUBTYPE_SH7206
225 help
226 Select 7206 SolutionEngine if configuring for a Hitachi SH7206
227 evaluation board.
228
229 config SH_7619_SOLUTION_ENGINE
230 bool "SolutionEngine7619"
231 select SOLUTION_ENGINE
232 depends on CPU_SUBTYPE_SH7619
233 help
234 Select 7619 SolutionEngine if configuring for a Hitachi SH7619
235 evaluation board.
236
237 config SH_7722_SOLUTION_ENGINE
238 bool "SolutionEngine7722"
239 select SOLUTION_ENGINE
240 depends on CPU_SUBTYPE_SH7722
241 help
242 Select 7722 SolutionEngine if configuring for a Hitachi SH772
243 evaluation board.
244
245 config SH_7751_SOLUTION_ENGINE
246 bool "SolutionEngine7751"
247 select SOLUTION_ENGINE
248 select CPU_HAS_IPR_IRQ
249 depends on CPU_SUBTYPE_SH7751
250 help
251 Select 7751 SolutionEngine if configuring for a Hitachi SH7751
252 evaluation board.
253
254 config SH_7780_SOLUTION_ENGINE
255 bool "SolutionEngine7780"
256 select SOLUTION_ENGINE
257 select SYS_SUPPORTS_PCI
258 select CPU_HAS_INTC2_IRQ
259 depends on CPU_SUBTYPE_SH7780
260 help
261 Select 7780 SolutionEngine if configuring for a Renesas SH7780
262 evaluation board.
263
264 config SH_7300_SOLUTION_ENGINE
265 bool "SolutionEngine7300"
266 select SOLUTION_ENGINE
267 depends on CPU_SUBTYPE_SH7300
268 help
269 Select 7300 SolutionEngine if configuring for a Hitachi
270 SH7300(SH-Mobile V) evaluation board.
271
272 config SH_7343_SOLUTION_ENGINE
273 bool "SolutionEngine7343"
274 select SOLUTION_ENGINE
275 depends on CPU_SUBTYPE_SH7343
276 help
277 Select 7343 SolutionEngine if configuring for a Hitachi
278 SH7343 (SH-Mobile 3AS) evaluation board.
279
280 config SH_73180_SOLUTION_ENGINE
281 bool "SolutionEngine73180"
282 select SOLUTION_ENGINE
283 depends on CPU_SUBTYPE_SH73180
284 help
285 Select 73180 SolutionEngine if configuring for a Hitachi
286 SH73180(SH-Mobile 3) evaluation board.
287
288 config SH_7751_SYSTEMH
289 bool "SystemH7751R"
290 depends on CPU_SUBTYPE_SH7751R
291 help
292 Select SystemH if you are configuring for a Renesas SystemH
293 7751R evaluation board.
294
295 config SH_HP6XX
296 bool "HP6XX"
297 select SYS_SUPPORTS_APM_EMULATION
298 select HD6446X_SERIES
299 depends on CPU_SUBTYPE_SH7709
300 help
301 Select HP6XX if configuring for a HP jornada HP6xx.
302 More information (hardware only) at
303 <http://www.hp.com/jornada/>.
304
305 config SH_DREAMCAST
306 bool "Dreamcast"
307 select SYS_SUPPORTS_PCI
308 depends on CPU_SUBTYPE_SH7091
309 help
310 Select Dreamcast if configuring for a SEGA Dreamcast.
311 More information at
312 <http://www.m17n.org/linux-sh/dreamcast/>. There is a
313 Dreamcast project is at <http://linuxdc.sourceforge.net/>.
314
315 config SH_MPC1211
316 bool "Interface MPC1211"
317 depends on CPU_SUBTYPE_SH7751 && BROKEN
318 help
319 CTP/PCI-SH02 is a CPU module computer that is produced
320 by Interface Corporation.
321 More information at <http://www.interface.co.jp>
322
323 config SH_SH03
324 bool "Interface CTP/PCI-SH03"
325 depends on CPU_SUBTYPE_SH7751 && BROKEN
326 select CPU_HAS_IPR_IRQ
327 select SYS_SUPPORTS_PCI
328 help
329 CTP/PCI-SH03 is a CPU module computer that is produced
330 by Interface Corporation.
331 More information at <http://www.interface.co.jp>
332
333 config SH_SECUREEDGE5410
334 bool "SecureEdge5410"
335 depends on CPU_SUBTYPE_SH7751R
336 select CPU_HAS_IPR_IRQ
337 select SYS_SUPPORTS_PCI
338 help
339 Select SecureEdge5410 if configuring for a SnapGear SH board.
340 This includes both the OEM SecureEdge products as well as the
341 SME product line.
342
343 config SH_HS7751RVOIP
344 bool "HS7751RVOIP"
345 depends on CPU_SUBTYPE_SH7751R
346 help
347 Select HS7751RVOIP if configuring for a Renesas Technology
348 Sales VoIP board.
349
350 config SH_7710VOIPGW
351 bool "SH7710-VOIP-GW"
352 depends on CPU_SUBTYPE_SH7710
353 help
354 Select this option to build a kernel for the SH7710 based
355 VOIP GW.
356
357 config SH_RTS7751R2D
358 bool "RTS7751R2D"
359 depends on CPU_SUBTYPE_SH7751R
360 select SYS_SUPPORTS_PCI
361 help
362 Select RTS7751R2D if configuring for a Renesas Technology
363 Sales SH-Graphics board.
364
365 config SH_HIGHLANDER
366 bool "Highlander"
367 depends on CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
368 select SYS_SUPPORTS_PCI
369
370 config SH_EDOSK7705
371 bool "EDOSK7705"
372 depends on CPU_SUBTYPE_SH7705
373
374 config SH_SH4202_MICRODEV
375 bool "SH4-202 MicroDev"
376 depends on CPU_SUBTYPE_SH4_202
377 help
378 Select SH4-202 MicroDev if configuring for a SuperH MicroDev board
379 with an SH4-202 CPU.
380
381 config SH_LANDISK
382 bool "LANDISK"
383 depends on CPU_SUBTYPE_SH7751R
384 select SYS_SUPPORTS_PCI
385 help
386 I-O DATA DEVICE, INC. "LANDISK Series" support.
387
388 config SH_TITAN
389 bool "TITAN"
390 depends on CPU_SUBTYPE_SH7751R
391 select CPU_HAS_IPR_IRQ
392 select SYS_SUPPORTS_PCI
393 help
394 Select Titan if you are configuring for a Nimble Microsystems
395 NetEngine NP51R.
396
397 config SH_SHMIN
398 bool "SHMIN"
399 depends on CPU_SUBTYPE_SH7706
400 select CPU_HAS_IPR_IRQ
401 help
402 Select SHMIN if configuring for the SHMIN board.
403
404 config SH_LBOX_RE2
405 bool "L-BOX RE2"
406 depends on CPU_SUBTYPE_SH7751R
407 select SYS_SUPPORTS_PCI
408 help
409 Select L-BOX RE2 if configuring for the NTT COMWARE L-BOX RE2.
410
411 endmenu
412
413 source "arch/sh/boards/renesas/hs7751rvoip/Kconfig"
414 source "arch/sh/boards/renesas/rts7751r2d/Kconfig"
415 source "arch/sh/boards/renesas/r7780rp/Kconfig"
416
417 menu "Timer and clock configuration"
418
419 config SH_TMU
420 bool "TMU timer support"
421 depends on CPU_SH3 || CPU_SH4
422 select GENERIC_TIME
423 select GENERIC_CLOCKEVENTS
424 default y
425 help
426 This enables the use of the TMU as the system timer.
427
428 config SH_CMT
429 bool "CMT timer support"
430 depends on CPU_SH2
431 default y
432 help
433 This enables the use of the CMT as the system timer.
434
435 config SH_MTU2
436 bool "MTU2 timer support"
437 depends on CPU_SH2A
438 default n
439 help
440 This enables the use of the MTU2 as the system timer.
441
442 config SH_TIMER_IRQ
443 int
444 default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
445 default "86" if CPU_SUBTYPE_SH7619
446 default "140" if CPU_SUBTYPE_SH7206
447 default "16"
448
449 config SH_PCLK_FREQ
450 int "Peripheral clock frequency (in Hz)"
451 default "27000000" if CPU_SUBTYPE_SH73180 || CPU_SUBTYPE_SH7343
452 default "31250000" if CPU_SUBTYPE_SH7619
453 default "32000000" if CPU_SUBTYPE_SH7722
454 default "33333333" if CPU_SUBTYPE_SH7300 || CPU_SUBTYPE_SH7770 || \
455 CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
456 CPU_SUBTYPE_SH7206
457 default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
458 default "66000000" if CPU_SUBTYPE_SH4_202
459 default "50000000"
460 help
461 This option is used to specify the peripheral clock frequency.
462 This is necessary for determining the reference clock value on
463 platforms lacking an RTC.
464
465 config SH_CLK_MD
466 int "CPU Mode Pin Setting"
467 depends on CPU_SUBTYPE_SH7619 || CPU_SUBTYPE_SH7206
468 default 6 if CPU_SUBTYPE_SH7206
469 default 5 if CPU_SUBTYPE_SH7619
470 default 0
471 help
472 MD2 - MD0 pin setting.
473
474 source "kernel/time/Kconfig"
475
476 endmenu
477
478 menu "CPU Frequency scaling"
479
480 source "drivers/cpufreq/Kconfig"
481
482 config SH_CPU_FREQ
483 tristate "SuperH CPU Frequency driver"
484 depends on CPU_FREQ
485 select CPU_FREQ_TABLE
486 help
487 This adds the cpufreq driver for SuperH. At present, only
488 the SH-4 is supported.
489
490 For details, take a look at <file:Documentation/cpu-freq>.
491
492 If unsure, say N.
493
494 endmenu
495
496 source "arch/sh/drivers/Kconfig"
497
498 endmenu
499
500 config ISA_DMA_API
501 bool
502 depends on SH_MPC1211
503 default y
504
505 menu "Kernel features"
506
507 source kernel/Kconfig.hz
508
509 config KEXEC
510 bool "kexec system call (EXPERIMENTAL)"
511 depends on EXPERIMENTAL
512 help
513 kexec is a system call that implements the ability to shutdown your
514 current kernel, and to start another kernel. It is like a reboot
515 but it is independent of the system firmware. And like a reboot
516 you can start any kernel with it, not just Linux.
517
518 The name comes from the similarity to the exec system call.
519
520 It is an ongoing process to be certain the hardware in a machine
521 is properly shutdown, so do not be surprised if this code does not
522 initially work for you. It may help to enable device hotplugging
523 support. As of this writing the exact hardware interface is
524 strongly in flux, so no good recommendation can be made.
525
526 config CRASH_DUMP
527 bool "kernel crash dumps (EXPERIMENTAL)"
528 depends on EXPERIMENTAL
529 help
530 Generate crash dump after being started by kexec.
531 This should be normally only set in special crash dump kernels
532 which are loaded in the main kernel with kexec-tools into
533 a specially reserved region and then later executed after
534 a crash by kdump/kexec. The crash dump kernel must be compiled
535 to a memory address not used by the main kernel using
536 MEMORY_START.
537
538 For more details see Documentation/kdump/kdump.txt
539
540 config SMP
541 bool "Symmetric multi-processing support"
542 depends on SYS_SUPPORTS_SMP
543 ---help---
544 This enables support for systems with more than one CPU. If you have
545 a system with only one CPU, like most personal computers, say N. If
546 you have a system with more than one CPU, say Y.
547
548 If you say N here, the kernel will run on single and multiprocessor
549 machines, but will use only one CPU of a multiprocessor machine. If
550 you say Y here, the kernel will run on many, but not all,
551 singleprocessor machines. On a singleprocessor machine, the kernel
552 will run faster if you say N here.
553
554 People using multiprocessor machines who say Y here should also say
555 Y to "Enhanced Real Time Clock Support", below.
556
557 See also the <file:Documentation/smp.txt>,
558 <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available
559 at <http://www.tldp.org/docs.html#howto>.
560
561 If you don't know what to do here, say N.
562
563 config NR_CPUS
564 int "Maximum number of CPUs (2-32)"
565 range 2 32
566 depends on SMP
567 default "4" if CPU_SHX3
568 default "2"
569 help
570 This allows you to specify the maximum number of CPUs which this
571 kernel will support. The maximum supported value is 32 and the
572 minimum value which makes sense is 2.
573
574 This is purely to save memory - each supported CPU adds
575 approximately eight kilobytes to the kernel image.
576
577 source "kernel/Kconfig.preempt"
578
579 config NODES_SHIFT
580 int
581 default "1"
582 depends on NEED_MULTIPLE_NODES
583
584 endmenu
585
586 menu "Boot options"
587
588 config ZERO_PAGE_OFFSET
589 hex "Zero page offset"
590 default "0x00004000" if SH_MPC1211 || SH_SH03
591 default "0x00010000" if PAGE_SIZE_64KB
592 default "0x00002000" if PAGE_SIZE_8KB
593 default "0x00001000"
594 help
595 This sets the default offset of zero page.
596
597 config BOOT_LINK_OFFSET
598 hex "Link address offset for booting"
599 default "0x00800000"
600 help
601 This option allows you to set the link address offset of the zImage.
602 This can be useful if you are on a board which has a small amount of
603 memory.
604
605 config UBC_WAKEUP
606 bool "Wakeup UBC on startup"
607 depends on CPU_SH4
608 help
609 Selecting this option will wakeup the User Break Controller (UBC) on
610 startup. Although the UBC is left in an awake state when the processor
611 comes up, some boot loaders misbehave by putting the UBC to sleep in a
612 power saving state, which causes issues with things like ptrace().
613
614 If unsure, say N.
615
616 config CMDLINE_BOOL
617 bool "Default bootloader kernel arguments"
618
619 config CMDLINE
620 string "Initial kernel command string"
621 depends on CMDLINE_BOOL
622 default "console=ttySC1,115200"
623
624 endmenu
625
626 menu "Bus options"
627
628 # Even on SuperH devices which don't have an ISA bus,
629 # this variable helps the PCMCIA modules handle
630 # IRQ requesting properly -- Greg Banks.
631 #
632 # Though we're generally not interested in it when
633 # we're not using PCMCIA, so we make it dependent on
634 # PCMCIA outright. -- PFM.
635 config ISA
636 def_bool y
637 depends on PCMCIA && HD6446X_SERIES
638 help
639 Find out whether you have ISA slots on your motherboard. ISA is the
640 name of a bus system, i.e. the way the CPU talks to the other stuff
641 inside your box. Other bus systems are PCI, EISA, MicroChannel
642 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
643 newer boards don't support it. If you have ISA, say Y, otherwise N.
644
645 config EISA
646 bool
647 ---help---
648 The Extended Industry Standard Architecture (EISA) bus was
649 developed as an open alternative to the IBM MicroChannel bus.
650
651 The EISA bus provided some of the features of the IBM MicroChannel
652 bus while maintaining backward compatibility with cards made for
653 the older ISA bus. The EISA bus saw limited use between 1988 and
654 1995 when it was made obsolete by the PCI bus.
655
656 Say Y here if you are building a kernel for an EISA-based machine.
657
658 Otherwise, say N.
659
660 config MCA
661 bool
662 help
663 MicroChannel Architecture is found in some IBM PS/2 machines and
664 laptops. It is a bus system similar to PCI or ISA. See
665 <file:Documentation/mca.txt> (and especially the web page given
666 there) before attempting to build an MCA bus kernel.
667
668 config SBUS
669 bool
670
671 config SUPERHYWAY
672 tristate "SuperHyway Bus support"
673 depends on CPU_SUBTYPE_SH4_202
674
675 config CF_ENABLER
676 bool "Compact Flash Enabler support"
677 depends on SOLUTION_ENGINE || SH_SH03
678 ---help---
679 Compact Flash is a small, removable mass storage device introduced
680 in 1994 originally as a PCMCIA device. If you say `Y' here, you
681 compile in support for Compact Flash devices directly connected to
682 a SuperH processor. A Compact Flash FAQ is available at
683 <http://www.compactflash.org/faqs/faq.htm>.
684
685 If your board has "Directly Connected" CompactFlash at area 5 or 6,
686 you may want to enable this option. Then, you can use CF as
687 primary IDE drive (only tested for SanDisk).
688
689 If in doubt, select 'N'.
690
691 choice
692 prompt "Compact Flash Connection Area"
693 depends on CF_ENABLER
694 default CF_AREA6
695
696 config CF_AREA5
697 bool "Area5"
698 help
699 If your board has "Directly Connected" CompactFlash, You should
700 select the area where your CF is connected to.
701
702 - "Area5" if CompactFlash is connected to Area 5 (0x14000000)
703 - "Area6" if it is connected to Area 6 (0x18000000)
704
705 "Area6" will work for most boards.
706
707 config CF_AREA6
708 bool "Area6"
709
710 endchoice
711
712 config CF_BASE_ADDR
713 hex
714 depends on CF_ENABLER
715 default "0xb8000000" if CF_AREA6
716 default "0xb4000000" if CF_AREA5
717
718 source "arch/sh/drivers/pci/Kconfig"
719
720 source "drivers/pci/Kconfig"
721
722 source "drivers/pcmcia/Kconfig"
723
724 source "drivers/pci/hotplug/Kconfig"
725
726 endmenu
727
728 menu "Executable file formats"
729
730 source "fs/Kconfig.binfmt"
731
732 endmenu
733
734 menu "Power management options (EXPERIMENTAL)"
735 depends on EXPERIMENTAL && SYS_SUPPORTS_PM
736
737 source kernel/power/Kconfig
738
739 endmenu
740
741 source "net/Kconfig"
742
743 source "drivers/Kconfig"
744
745 source "fs/Kconfig"
746
747 source "arch/sh/oprofile/Kconfig"
748
749 source "arch/sh/Kconfig.debug"
750
751 source "security/Kconfig"
752
753 source "crypto/Kconfig"
754
755 source "lib/Kconfig"
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