2 # For a description of the syntax of this configuration file,
3 # see Documentation/kbuild/kconfig-language.txt.
6 mainmenu "Linux/SuperH Kernel Configuration"
15 The SuperH is a RISC processor targeted for use in embedded systems
16 and consumer electronics; it was also used in the Sega Dreamcast
17 gaming console. The SuperH port has a home page at
18 <http://www.linux-sh.org/>.
26 config RWSEM_GENERIC_SPINLOCK
29 config RWSEM_XCHGADD_ALGORITHM
34 depends on BUG && SUPERH32
36 config GENERIC_FIND_NEXT_BIT
39 config GENERIC_HWEIGHT
42 config GENERIC_HARDIRQS
45 config GENERIC_IRQ_PROBE
48 config GENERIC_CALIBRATE_DELAY
57 config GENERIC_CLOCKEVENTS
60 config SYS_SUPPORTS_PM
63 config SYS_SUPPORTS_APM_EMULATION
65 select SYS_SUPPORTS_PM
67 config SYS_SUPPORTS_SMP
70 config SYS_SUPPORTS_NUMA
73 config SYS_SUPPORTS_PCI
76 config STACKTRACE_SUPPORT
79 config LOCKDEP_SUPPORT
82 config ARCH_HAS_ILOG2_U32
85 config ARCH_HAS_ILOG2_U64
88 config ARCH_NO_VIRT_TO_BUS
91 config ARCH_SUPPORTS_AOUT
113 select CPU_HAS_INTEVT
118 select CPU_HAS_INTEVT
120 select CPU_HAS_PTEA if !CPU_SH4A || CPU_SHX2
121 select CPU_HAS_FPU if !CPU_SH4AL_DSP
143 prompt "Processor sub-type selection"
149 # SH-2 Processor Support
151 config CPU_SUBTYPE_SH7619
152 bool "Support SH7619 processor"
155 # SH-2A Processor Support
157 config CPU_SUBTYPE_SH7203
158 bool "Support SH7203 processor"
162 config CPU_SUBTYPE_SH7206
163 bool "Support SH7206 processor"
166 config CPU_SUBTYPE_SH7263
167 bool "Support SH7263 processor"
171 config CPU_SUBTYPE_MXG
172 bool "Support MX-G processor"
175 Select MX-G if running on an R8A03022BG part.
177 # SH-3 Processor Support
179 config CPU_SUBTYPE_SH7705
180 bool "Support SH7705 processor"
183 config CPU_SUBTYPE_SH7706
184 bool "Support SH7706 processor"
187 Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
189 config CPU_SUBTYPE_SH7707
190 bool "Support SH7707 processor"
193 Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
195 config CPU_SUBTYPE_SH7708
196 bool "Support SH7708 processor"
199 Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
200 if you have a 100 Mhz SH-3 HD6417708R CPU.
202 config CPU_SUBTYPE_SH7709
203 bool "Support SH7709 processor"
206 Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
208 config CPU_SUBTYPE_SH7710
209 bool "Support SH7710 processor"
213 Select SH7710 if you have a SH3-DSP SH7710 CPU.
215 config CPU_SUBTYPE_SH7712
216 bool "Support SH7712 processor"
220 Select SH7712 if you have a SH3-DSP SH7712 CPU.
222 config CPU_SUBTYPE_SH7720
223 bool "Support SH7720 processor"
227 Select SH7720 if you have a SH3-DSP SH7720 CPU.
229 config CPU_SUBTYPE_SH7721
230 bool "Support SH7721 processor"
234 Select SH7721 if you have a SH3-DSP SH7721 CPU.
236 # SH-4 Processor Support
238 config CPU_SUBTYPE_SH7750
239 bool "Support SH7750 processor"
242 Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
244 config CPU_SUBTYPE_SH7091
245 bool "Support SH7091 processor"
248 Select SH7091 if you have an SH-4 based Sega device (such as
249 the Dreamcast, Naomi, and Naomi 2).
251 config CPU_SUBTYPE_SH7750R
252 bool "Support SH7750R processor"
255 config CPU_SUBTYPE_SH7750S
256 bool "Support SH7750S processor"
259 config CPU_SUBTYPE_SH7751
260 bool "Support SH7751 processor"
263 Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
264 or if you have a HD6417751R CPU.
266 config CPU_SUBTYPE_SH7751R
267 bool "Support SH7751R processor"
270 config CPU_SUBTYPE_SH7760
271 bool "Support SH7760 processor"
274 config CPU_SUBTYPE_SH4_202
275 bool "Support SH4-202 processor"
278 # SH-4A Processor Support
280 config CPU_SUBTYPE_SH7723
281 bool "Support SH7723 processor"
284 select ARCH_SPARSEMEM_ENABLE
286 Select SH7723 if you have an SH-MobileR2 CPU.
288 config CPU_SUBTYPE_SH7763
289 bool "Support SH7763 processor"
292 Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
294 config CPU_SUBTYPE_SH7770
295 bool "Support SH7770 processor"
298 config CPU_SUBTYPE_SH7780
299 bool "Support SH7780 processor"
302 config CPU_SUBTYPE_SH7785
303 bool "Support SH7785 processor"
306 select ARCH_SPARSEMEM_ENABLE
307 select SYS_SUPPORTS_NUMA
309 config CPU_SUBTYPE_SHX3
310 bool "Support SH-X3 processor"
313 select ARCH_SPARSEMEM_ENABLE
314 select SYS_SUPPORTS_NUMA
315 select SYS_SUPPORTS_SMP
317 # SH4AL-DSP Processor Support
319 config CPU_SUBTYPE_SH7343
320 bool "Support SH7343 processor"
323 config CPU_SUBTYPE_SH7722
324 bool "Support SH7722 processor"
327 select ARCH_SPARSEMEM_ENABLE
328 select SYS_SUPPORTS_NUMA
330 config CPU_SUBTYPE_SH7366
331 bool "Support SH7366 processor"
334 select ARCH_SPARSEMEM_ENABLE
335 select SYS_SUPPORTS_NUMA
337 # SH-5 Processor Support
339 config CPU_SUBTYPE_SH5_101
340 bool "Support SH5-101 processor"
343 config CPU_SUBTYPE_SH5_103
344 bool "Support SH5-103 processor"
349 source "arch/sh/mm/Kconfig"
350 source "arch/sh/Kconfig.cpu"
354 config SOLUTION_ENGINE
357 config SH_SOLUTION_ENGINE
358 bool "SolutionEngine"
359 select SOLUTION_ENGINE
360 select CPU_HAS_IPR_IRQ
361 depends on CPU_SUBTYPE_SH7705 || CPU_SUBTYPE_SH7709 || CPU_SUBTYPE_SH7710 || \
362 CPU_SUBTYPE_SH7712 || CPU_SUBTYPE_SH7750 || CPU_SUBTYPE_SH7750S || \
365 Select SolutionEngine if configuring for a Hitachi SH7705, SH7709,
366 SH7710, SH7712, SH7750, SH7750S or SH7750R evaluation board.
368 config SH_7206_SOLUTION_ENGINE
369 bool "SolutionEngine7206"
370 select SOLUTION_ENGINE
371 depends on CPU_SUBTYPE_SH7206
373 Select 7206 SolutionEngine if configuring for a Hitachi SH7206
376 config SH_7619_SOLUTION_ENGINE
377 bool "SolutionEngine7619"
378 select SOLUTION_ENGINE
379 depends on CPU_SUBTYPE_SH7619
381 Select 7619 SolutionEngine if configuring for a Hitachi SH7619
384 config SH_7721_SOLUTION_ENGINE
385 bool "SolutionEngine7721"
386 select SOLUTION_ENGINE
387 depends on CPU_SUBTYPE_SH7721
389 Select 7721 SolutionEngine if configuring for a Hitachi SH7721
392 config SH_7722_SOLUTION_ENGINE
393 bool "SolutionEngine7722"
394 select SOLUTION_ENGINE
395 depends on CPU_SUBTYPE_SH7722
397 Select 7722 SolutionEngine if configuring for a Hitachi SH772
400 config SH_7751_SOLUTION_ENGINE
401 bool "SolutionEngine7751"
402 select SOLUTION_ENGINE
403 select CPU_HAS_IPR_IRQ
404 depends on CPU_SUBTYPE_SH7751
406 Select 7751 SolutionEngine if configuring for a Hitachi SH7751
409 config SH_7780_SOLUTION_ENGINE
410 bool "SolutionEngine7780"
411 select SOLUTION_ENGINE
412 select SYS_SUPPORTS_PCI
413 depends on CPU_SUBTYPE_SH7780
415 Select 7780 SolutionEngine if configuring for a Renesas SH7780
418 config SH_7343_SOLUTION_ENGINE
419 bool "SolutionEngine7343"
420 select SOLUTION_ENGINE
421 depends on CPU_SUBTYPE_SH7343
423 Select 7343 SolutionEngine if configuring for a Hitachi
424 SH7343 (SH-Mobile 3AS) evaluation board.
426 config SH_7751_SYSTEMH
428 depends on CPU_SUBTYPE_SH7751R
430 Select SystemH if you are configuring for a Renesas SystemH
431 7751R evaluation board.
435 select SYS_SUPPORTS_APM_EMULATION
436 select HD6446X_SERIES
437 depends on CPU_SUBTYPE_SH7709
439 Select HP6XX if configuring for a HP jornada HP6xx.
440 More information (hardware only) at
441 <http://www.hp.com/jornada/>.
445 select SYS_SUPPORTS_PCI
446 depends on CPU_SUBTYPE_SH7091
448 Select Dreamcast if configuring for a SEGA Dreamcast.
449 More information at <http://www.linux-sh.org>
452 bool "Interface CTP/PCI-SH03"
453 depends on CPU_SUBTYPE_SH7751
454 select CPU_HAS_IPR_IRQ
455 select SYS_SUPPORTS_PCI
457 CTP/PCI-SH03 is a CPU module computer that is produced
458 by Interface Corporation.
459 More information at <http://www.interface.co.jp>
461 config SH_SECUREEDGE5410
462 bool "SecureEdge5410"
463 depends on CPU_SUBTYPE_SH7751R
464 select CPU_HAS_IPR_IRQ
465 select SYS_SUPPORTS_PCI
467 Select SecureEdge5410 if configuring for a SnapGear SH board.
468 This includes both the OEM SecureEdge products as well as the
473 depends on CPU_SUBTYPE_SH7751R
474 select SYS_SUPPORTS_PCI
477 Select RTS7751R2D if configuring for a Renesas Technology
478 Sales SH-Graphics board.
482 depends on CPU_SUBTYPE_SH7780
483 select SYS_SUPPORTS_PCI
485 Select SDK7780 if configuring for a Renesas SH7780 SDK7780R3
490 depends on CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
491 select SYS_SUPPORTS_PCI
496 depends on CPU_SUBTYPE_SH7722
498 Select Migo-R if configuring for the SH7722 Migo-R platform
499 by Renesas System Solutions Asia Pte. Ltd.
503 depends on CPU_SUBTYPE_SH7705
505 config SH_SH4202_MICRODEV
506 bool "SH4-202 MicroDev"
507 depends on CPU_SUBTYPE_SH4_202
509 Select SH4-202 MicroDev if configuring for a SuperH MicroDev board
514 depends on CPU_SUBTYPE_SH7751R
515 select SYS_SUPPORTS_PCI
517 I-O DATA DEVICE, INC. "LANDISK Series" support.
521 depends on CPU_SUBTYPE_SH7751R
522 select CPU_HAS_IPR_IRQ
523 select SYS_SUPPORTS_PCI
525 Select Titan if you are configuring for a Nimble Microsystems
530 depends on CPU_SUBTYPE_SH7706
531 select CPU_HAS_IPR_IRQ
533 Select SHMIN if configuring for the SHMIN board.
537 depends on CPU_SUBTYPE_SH7751R
538 select SYS_SUPPORTS_PCI
540 Select L-BOX RE2 if configuring for the NTT COMWARE L-BOX RE2.
543 bool "SH-X3 Prototype board"
544 depends on CPU_SUBTYPE_SHX3
546 config SH_MAGIC_PANEL_R2
547 bool "Magic Panel R2"
548 depends on CPU_SUBTYPE_SH7720
550 Select Magic Panel R2 if configuring for Magic Panel R2.
553 bool "Hitachi Cayman"
554 depends on CPU_SUBTYPE_SH5_101 || CPU_SUBTYPE_SH5_103
555 select SYS_SUPPORTS_PCI
559 source "arch/sh/boards/renesas/rts7751r2d/Kconfig"
560 source "arch/sh/boards/renesas/r7780rp/Kconfig"
561 source "arch/sh/boards/renesas/sdk7780/Kconfig"
562 source "arch/sh/boards/magicpanelr2/Kconfig"
564 menu "Timer and clock configuration"
568 prompt "TMU timer support"
569 depends on CPU_SH3 || CPU_SH4
571 select GENERIC_CLOCKEVENTS
573 This enables the use of the TMU as the system timer.
577 prompt "CMT timer support"
578 depends on CPU_SH2 && !CPU_SUBTYPE_MXG
580 This enables the use of the CMT as the system timer.
584 prompt "MTU2 timer support"
587 This enables the use of the MTU2 as the system timer.
591 default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 || \
593 default "86" if CPU_SUBTYPE_SH7619
594 default "140" if CPU_SUBTYPE_SH7206
595 default "142" if CPU_SUBTYPE_SH7203
596 default "238" if CPU_SUBTYPE_MXG
600 int "Peripheral clock frequency (in Hz)"
601 default "27000000" if CPU_SUBTYPE_SH7343
602 default "31250000" if CPU_SUBTYPE_SH7619
603 default "32000000" if CPU_SUBTYPE_SH7722
604 default "33333333" if CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7723 || \
605 CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
606 CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \
607 CPU_SUBTYPE_SH7263 || CPU_SUBTYPE_MXG
608 default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
609 default "66000000" if CPU_SUBTYPE_SH4_202
612 This option is used to specify the peripheral clock frequency.
613 This is necessary for determining the reference clock value on
614 platforms lacking an RTC.
617 int "CPU Mode Pin Setting"
619 default 6 if CPU_SUBTYPE_SH7206
620 default 5 if CPU_SUBTYPE_SH7619
623 MD2 - MD0 pin setting.
625 source "kernel/time/Kconfig"
629 menu "CPU Frequency scaling"
631 source "drivers/cpufreq/Kconfig"
634 tristate "SuperH CPU Frequency driver"
636 select CPU_FREQ_TABLE
638 This adds the cpufreq driver for SuperH. At present, only
639 the SH-4 is supported.
641 For details, take a look at <file:Documentation/cpu-freq>.
647 source "arch/sh/drivers/Kconfig"
654 menu "Kernel features"
656 source kernel/Kconfig.hz
659 bool "kexec system call (EXPERIMENTAL)"
660 depends on SUPERH32 && EXPERIMENTAL
662 kexec is a system call that implements the ability to shutdown your
663 current kernel, and to start another kernel. It is like a reboot
664 but it is independent of the system firmware. And like a reboot
665 you can start any kernel with it, not just Linux.
667 The name comes from the similarity to the exec system call.
669 It is an ongoing process to be certain the hardware in a machine
670 is properly shutdown, so do not be surprised if this code does not
671 initially work for you. It may help to enable device hotplugging
672 support. As of this writing the exact hardware interface is
673 strongly in flux, so no good recommendation can be made.
676 bool "kernel crash dumps (EXPERIMENTAL)"
677 depends on SUPERH32 && EXPERIMENTAL
679 Generate crash dump after being started by kexec.
680 This should be normally only set in special crash dump kernels
681 which are loaded in the main kernel with kexec-tools into
682 a specially reserved region and then later executed after
683 a crash by kdump/kexec. The crash dump kernel must be compiled
684 to a memory address not used by the main kernel using
687 For more details see Documentation/kdump/kdump.txt
690 bool "Symmetric multi-processing support"
691 depends on SYS_SUPPORTS_SMP
692 select USE_GENERIC_SMP_HELPERS
694 This enables support for systems with more than one CPU. If you have
695 a system with only one CPU, like most personal computers, say N. If
696 you have a system with more than one CPU, say Y.
698 If you say N here, the kernel will run on single and multiprocessor
699 machines, but will use only one CPU of a multiprocessor machine. If
700 you say Y here, the kernel will run on many, but not all,
701 singleprocessor machines. On a singleprocessor machine, the kernel
702 will run faster if you say N here.
704 People using multiprocessor machines who say Y here should also say
705 Y to "Enhanced Real Time Clock Support", below.
707 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
708 available at <http://www.tldp.org/docs.html#howto>.
710 If you don't know what to do here, say N.
713 int "Maximum number of CPUs (2-32)"
716 default "4" if CPU_SHX3
719 This allows you to specify the maximum number of CPUs which this
720 kernel will support. The maximum supported value is 32 and the
721 minimum value which makes sense is 2.
723 This is purely to save memory - each supported CPU adds
724 approximately eight kilobytes to the kernel image.
726 source "kernel/Kconfig.preempt"
730 depends on !SMP && SUPERH32
732 This enables support for gUSA (general UserSpace Atomicity).
733 This is the default implementation for both UP and non-ll/sc
734 CPUs, and is used by the libc, amongst others.
736 For additional information, design information can be found
737 in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
739 This should only be disabled for special cases where alternate
740 atomicity implementations exist.
743 bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
744 depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
746 Enabling this option will allow the kernel to implement some
747 atomic operations using a software implemention of load-locked/
748 store-conditional (LLSC). On machines which do not have hardware
749 LLSC, this should be more efficient than the other alternative of
750 disabling insterrupts around the atomic sequence.
756 config ZERO_PAGE_OFFSET
757 hex "Zero page offset"
758 default "0x00004000" if SH_SH03
759 default "0x00010000" if PAGE_SIZE_64KB
760 default "0x00002000" if PAGE_SIZE_8KB
763 This sets the default offset of zero page.
765 config BOOT_LINK_OFFSET
766 hex "Link address offset for booting"
769 This option allows you to set the link address offset of the zImage.
770 This can be useful if you are on a board which has a small amount of
774 bool "Wakeup UBC on startup"
775 depends on CPU_SH4 && !CPU_SH4A
777 Selecting this option will wakeup the User Break Controller (UBC) on
778 startup. Although the UBC is left in an awake state when the processor
779 comes up, some boot loaders misbehave by putting the UBC to sleep in a
780 power saving state, which causes issues with things like ptrace().
785 bool "Default bootloader kernel arguments"
788 string "Initial kernel command string"
789 depends on CMDLINE_BOOL
790 default "console=ttySC1,115200"
796 # Even on SuperH devices which don't have an ISA bus,
797 # this variable helps the PCMCIA modules handle
798 # IRQ requesting properly -- Greg Banks.
800 # Though we're generally not interested in it when
801 # we're not using PCMCIA, so we make it dependent on
802 # PCMCIA outright. -- PFM.
805 depends on PCMCIA && HD6446X_SERIES
807 Find out whether you have ISA slots on your motherboard. ISA is the
808 name of a bus system, i.e. the way the CPU talks to the other stuff
809 inside your box. Other bus systems are PCI, EISA, MicroChannel
810 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
811 newer boards don't support it. If you have ISA, say Y, otherwise N.
816 The Extended Industry Standard Architecture (EISA) bus was
817 developed as an open alternative to the IBM MicroChannel bus.
819 The EISA bus provided some of the features of the IBM MicroChannel
820 bus while maintaining backward compatibility with cards made for
821 the older ISA bus. The EISA bus saw limited use between 1988 and
822 1995 when it was made obsolete by the PCI bus.
824 Say Y here if you are building a kernel for an EISA-based machine.
831 MicroChannel Architecture is found in some IBM PS/2 machines and
832 laptops. It is a bus system similar to PCI or ISA. See
833 <file:Documentation/mca.txt> (and especially the web page given
834 there) before attempting to build an MCA bus kernel.
840 tristate "SuperHyway Bus support"
841 depends on CPU_SUBTYPE_SH4_202
844 bool "Maple Bus support"
845 depends on SH_DREAMCAST
847 The Maple Bus is SEGA's serial communication bus for peripherals
848 on the Dreamcast. Without this bus support you won't be able to
849 get your Dreamcast keyboard etc to work, so most users
850 probably want to say 'Y' here, unless you are only using the
851 Dreamcast with a serial line terminal or a remote network
855 bool "Compact Flash Enabler support"
856 depends on SOLUTION_ENGINE || SH_SH03
858 Compact Flash is a small, removable mass storage device introduced
859 in 1994 originally as a PCMCIA device. If you say `Y' here, you
860 compile in support for Compact Flash devices directly connected to
861 a SuperH processor. A Compact Flash FAQ is available at
862 <http://www.compactflash.org/faqs/faq.htm>.
864 If your board has "Directly Connected" CompactFlash at area 5 or 6,
865 you may want to enable this option. Then, you can use CF as
866 primary IDE drive (only tested for SanDisk).
868 If in doubt, select 'N'.
871 prompt "Compact Flash Connection Area"
872 depends on CF_ENABLER
878 If your board has "Directly Connected" CompactFlash, You should
879 select the area where your CF is connected to.
881 - "Area5" if CompactFlash is connected to Area 5 (0x14000000)
882 - "Area6" if it is connected to Area 6 (0x18000000)
884 "Area6" will work for most boards.
893 depends on CF_ENABLER
894 default "0xb8000000" if CF_AREA6
895 default "0xb4000000" if CF_AREA5
897 source "arch/sh/drivers/pci/Kconfig"
899 source "drivers/pci/Kconfig"
901 source "drivers/pcmcia/Kconfig"
903 source "drivers/pci/hotplug/Kconfig"
907 menu "Executable file formats"
909 source "fs/Kconfig.binfmt"
913 menu "Power management options (EXPERIMENTAL)"
914 depends on EXPERIMENTAL && SYS_SUPPORTS_PM
916 config ARCH_SUSPEND_POSSIBLE
920 source kernel/power/Kconfig
926 source "drivers/Kconfig"
930 source "arch/sh/Kconfig.debug"
932 source "security/Kconfig"
934 source "crypto/Kconfig"