2 # For a description of the syntax of this configuration file,
3 # see Documentation/kbuild/kconfig-language.txt.
6 mainmenu "Linux/SuperH Kernel Configuration"
14 The SuperH is a RISC processor targeted for use in embedded systems
15 and consumer electronics; it was also used in the Sega Dreamcast
16 gaming console. The SuperH port has a home page at
17 <http://www.linux-sh.org/>.
25 config RWSEM_GENERIC_SPINLOCK
28 config RWSEM_XCHGADD_ALGORITHM
33 depends on BUG && SUPERH32
35 config GENERIC_FIND_NEXT_BIT
38 config GENERIC_HWEIGHT
41 config GENERIC_HARDIRQS
44 config GENERIC_IRQ_PROBE
47 config GENERIC_CALIBRATE_DELAY
56 config GENERIC_CLOCKEVENTS
59 config SYS_SUPPORTS_PM
62 config SYS_SUPPORTS_APM_EMULATION
64 select SYS_SUPPORTS_PM
66 config SYS_SUPPORTS_SMP
69 config SYS_SUPPORTS_NUMA
72 config SYS_SUPPORTS_PCI
75 config ARCH_MAY_HAVE_PC_FDC
78 config STACKTRACE_SUPPORT
81 config LOCKDEP_SUPPORT
84 config ARCH_HAS_ILOG2_U32
87 config ARCH_HAS_ILOG2_U64
90 config ARCH_NO_VIRT_TO_BUS
93 config ARCH_SUPPORTS_AOUT
115 select CPU_HAS_INTEVT
120 select CPU_HAS_INTEVT
122 select CPU_HAS_PTEA if !CPU_SH4A || CPU_SHX2
123 select CPU_HAS_FPU if !CPU_SH4AL_DSP
145 prompt "Processor sub-type selection"
151 # SH-2 Processor Support
153 config CPU_SUBTYPE_SH7619
154 bool "Support SH7619 processor"
157 # SH-2A Processor Support
159 config CPU_SUBTYPE_SH7203
160 bool "Support SH7203 processor"
164 config CPU_SUBTYPE_SH7206
165 bool "Support SH7206 processor"
168 config CPU_SUBTYPE_SH7263
169 bool "Support SH7263 processor"
173 # SH-3 Processor Support
175 config CPU_SUBTYPE_SH7705
176 bool "Support SH7705 processor"
179 config CPU_SUBTYPE_SH7706
180 bool "Support SH7706 processor"
183 Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
185 config CPU_SUBTYPE_SH7707
186 bool "Support SH7707 processor"
189 Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
191 config CPU_SUBTYPE_SH7708
192 bool "Support SH7708 processor"
195 Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
196 if you have a 100 Mhz SH-3 HD6417708R CPU.
198 config CPU_SUBTYPE_SH7709
199 bool "Support SH7709 processor"
202 Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
204 config CPU_SUBTYPE_SH7710
205 bool "Support SH7710 processor"
209 Select SH7710 if you have a SH3-DSP SH7710 CPU.
211 config CPU_SUBTYPE_SH7712
212 bool "Support SH7712 processor"
216 Select SH7712 if you have a SH3-DSP SH7712 CPU.
218 config CPU_SUBTYPE_SH7720
219 bool "Support SH7720 processor"
223 Select SH7720 if you have a SH3-DSP SH7720 CPU.
225 config CPU_SUBTYPE_SH7721
226 bool "Support SH7721 processor"
230 Select SH7721 if you have a SH3-DSP SH7721 CPU.
232 # SH-4 Processor Support
234 config CPU_SUBTYPE_SH7750
235 bool "Support SH7750 processor"
238 Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
240 config CPU_SUBTYPE_SH7091
241 bool "Support SH7091 processor"
244 Select SH7091 if you have an SH-4 based Sega device (such as
245 the Dreamcast, Naomi, and Naomi 2).
247 config CPU_SUBTYPE_SH7750R
248 bool "Support SH7750R processor"
251 config CPU_SUBTYPE_SH7750S
252 bool "Support SH7750S processor"
255 config CPU_SUBTYPE_SH7751
256 bool "Support SH7751 processor"
259 Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
260 or if you have a HD6417751R CPU.
262 config CPU_SUBTYPE_SH7751R
263 bool "Support SH7751R processor"
266 config CPU_SUBTYPE_SH7760
267 bool "Support SH7760 processor"
270 config CPU_SUBTYPE_SH4_202
271 bool "Support SH4-202 processor"
274 # SH-4A Processor Support
276 config CPU_SUBTYPE_SH7763
277 bool "Support SH7763 processor"
280 Select SH7763 if you have a SH4A SH7763(R5S77631) CPU.
282 config CPU_SUBTYPE_SH7770
283 bool "Support SH7770 processor"
286 config CPU_SUBTYPE_SH7780
287 bool "Support SH7780 processor"
290 config CPU_SUBTYPE_SH7785
291 bool "Support SH7785 processor"
294 select ARCH_SPARSEMEM_ENABLE
295 select SYS_SUPPORTS_NUMA
297 config CPU_SUBTYPE_SHX3
298 bool "Support SH-X3 processor"
301 select ARCH_SPARSEMEM_ENABLE
302 select SYS_SUPPORTS_NUMA
303 select SYS_SUPPORTS_SMP
305 # SH4AL-DSP Processor Support
307 config CPU_SUBTYPE_SH7343
308 bool "Support SH7343 processor"
311 config CPU_SUBTYPE_SH7722
312 bool "Support SH7722 processor"
315 select ARCH_SPARSEMEM_ENABLE
316 select SYS_SUPPORTS_NUMA
318 config CPU_SUBTYPE_SH7366
319 bool "Support SH7366 processor"
322 select ARCH_SPARSEMEM_ENABLE
323 select SYS_SUPPORTS_NUMA
325 # SH-5 Processor Support
327 config CPU_SUBTYPE_SH5_101
328 bool "Support SH5-101 processor"
331 config CPU_SUBTYPE_SH5_103
332 bool "Support SH5-103 processor"
337 source "arch/sh/mm/Kconfig"
338 source "arch/sh/Kconfig.cpu"
342 config SOLUTION_ENGINE
345 config SH_SOLUTION_ENGINE
346 bool "SolutionEngine"
347 select SOLUTION_ENGINE
348 select CPU_HAS_IPR_IRQ
349 depends on CPU_SUBTYPE_SH7705 || CPU_SUBTYPE_SH7709 || CPU_SUBTYPE_SH7710 || \
350 CPU_SUBTYPE_SH7712 || CPU_SUBTYPE_SH7750 || CPU_SUBTYPE_SH7750S || \
353 Select SolutionEngine if configuring for a Hitachi SH7705, SH7709,
354 SH7710, SH7712, SH7750, SH7750S or SH7750R evaluation board.
356 config SH_7206_SOLUTION_ENGINE
357 bool "SolutionEngine7206"
358 select SOLUTION_ENGINE
359 depends on CPU_SUBTYPE_SH7206
361 Select 7206 SolutionEngine if configuring for a Hitachi SH7206
364 config SH_7619_SOLUTION_ENGINE
365 bool "SolutionEngine7619"
366 select SOLUTION_ENGINE
367 depends on CPU_SUBTYPE_SH7619
369 Select 7619 SolutionEngine if configuring for a Hitachi SH7619
372 config SH_7722_SOLUTION_ENGINE
373 bool "SolutionEngine7722"
374 select SOLUTION_ENGINE
375 depends on CPU_SUBTYPE_SH7722
377 Select 7722 SolutionEngine if configuring for a Hitachi SH772
380 config SH_7751_SOLUTION_ENGINE
381 bool "SolutionEngine7751"
382 select SOLUTION_ENGINE
383 select CPU_HAS_IPR_IRQ
384 depends on CPU_SUBTYPE_SH7751
386 Select 7751 SolutionEngine if configuring for a Hitachi SH7751
389 config SH_7780_SOLUTION_ENGINE
390 bool "SolutionEngine7780"
391 select SOLUTION_ENGINE
392 select SYS_SUPPORTS_PCI
393 depends on CPU_SUBTYPE_SH7780
395 Select 7780 SolutionEngine if configuring for a Renesas SH7780
398 config SH_7343_SOLUTION_ENGINE
399 bool "SolutionEngine7343"
400 select SOLUTION_ENGINE
401 depends on CPU_SUBTYPE_SH7343
403 Select 7343 SolutionEngine if configuring for a Hitachi
404 SH7343 (SH-Mobile 3AS) evaluation board.
406 config SH_7751_SYSTEMH
408 depends on CPU_SUBTYPE_SH7751R
410 Select SystemH if you are configuring for a Renesas SystemH
411 7751R evaluation board.
415 select SYS_SUPPORTS_APM_EMULATION
416 select HD6446X_SERIES
417 depends on CPU_SUBTYPE_SH7709
419 Select HP6XX if configuring for a HP jornada HP6xx.
420 More information (hardware only) at
421 <http://www.hp.com/jornada/>.
425 select SYS_SUPPORTS_PCI
426 depends on CPU_SUBTYPE_SH7091
428 Select Dreamcast if configuring for a SEGA Dreamcast.
429 More information at <http://www.linux-sh.org>
432 bool "Interface MPC1211"
433 depends on CPU_SUBTYPE_SH7751 && BROKEN
435 CTP/PCI-SH02 is a CPU module computer that is produced
436 by Interface Corporation.
437 More information at <http://www.interface.co.jp>
440 bool "Interface CTP/PCI-SH03"
441 depends on CPU_SUBTYPE_SH7751
442 select CPU_HAS_IPR_IRQ
443 select SYS_SUPPORTS_PCI
445 CTP/PCI-SH03 is a CPU module computer that is produced
446 by Interface Corporation.
447 More information at <http://www.interface.co.jp>
449 config SH_SECUREEDGE5410
450 bool "SecureEdge5410"
451 depends on CPU_SUBTYPE_SH7751R
452 select CPU_HAS_IPR_IRQ
453 select SYS_SUPPORTS_PCI
455 Select SecureEdge5410 if configuring for a SnapGear SH board.
456 This includes both the OEM SecureEdge products as well as the
461 depends on CPU_SUBTYPE_SH7751R
462 select SYS_SUPPORTS_PCI
465 Select RTS7751R2D if configuring for a Renesas Technology
466 Sales SH-Graphics board.
470 depends on CPU_SUBTYPE_SH7780
471 select SYS_SUPPORTS_PCI
473 Select SDK7780 if configuring for a Renesas SH7780 SDK7780R3
478 depends on CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
479 select SYS_SUPPORTS_PCI
484 depends on CPU_SUBTYPE_SH7722
486 Select Migo-R if configuring for the SH7722 Migo-R platform
487 by Renesas System Solutions Asia Pte. Ltd.
491 depends on CPU_SUBTYPE_SH7705
493 config SH_SH4202_MICRODEV
494 bool "SH4-202 MicroDev"
495 depends on CPU_SUBTYPE_SH4_202
497 Select SH4-202 MicroDev if configuring for a SuperH MicroDev board
502 depends on CPU_SUBTYPE_SH7751R
503 select SYS_SUPPORTS_PCI
505 I-O DATA DEVICE, INC. "LANDISK Series" support.
509 depends on CPU_SUBTYPE_SH7751R
510 select CPU_HAS_IPR_IRQ
511 select SYS_SUPPORTS_PCI
513 Select Titan if you are configuring for a Nimble Microsystems
518 depends on CPU_SUBTYPE_SH7706
519 select CPU_HAS_IPR_IRQ
521 Select SHMIN if configuring for the SHMIN board.
525 depends on CPU_SUBTYPE_SH7751R
526 select SYS_SUPPORTS_PCI
528 Select L-BOX RE2 if configuring for the NTT COMWARE L-BOX RE2.
531 bool "SH-X3 Prototype board"
532 depends on CPU_SUBTYPE_SHX3
534 config SH_MAGIC_PANEL_R2
535 bool "Magic Panel R2"
536 depends on CPU_SUBTYPE_SH7720
538 Select Magic Panel R2 if configuring for Magic Panel R2.
541 bool "Hitachi Cayman"
542 depends on CPU_SUBTYPE_SH5_101 || CPU_SUBTYPE_SH5_103
543 select SYS_SUPPORTS_PCI
547 source "arch/sh/boards/renesas/rts7751r2d/Kconfig"
548 source "arch/sh/boards/renesas/r7780rp/Kconfig"
549 source "arch/sh/boards/renesas/sdk7780/Kconfig"
550 source "arch/sh/boards/magicpanelr2/Kconfig"
552 menu "Timer and clock configuration"
556 prompt "TMU timer support"
557 depends on CPU_SH3 || CPU_SH4
559 select GENERIC_CLOCKEVENTS
561 This enables the use of the TMU as the system timer.
565 prompt "CMT timer support"
568 This enables the use of the CMT as the system timer.
572 prompt "MTU2 timer support"
575 This enables the use of the MTU2 as the system timer.
579 default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 || \
581 default "86" if CPU_SUBTYPE_SH7619
582 default "140" if CPU_SUBTYPE_SH7206
583 default "142" if CPU_SUBTYPE_SH7203
587 int "Peripheral clock frequency (in Hz)"
588 default "27000000" if CPU_SUBTYPE_SH7343
589 default "31250000" if CPU_SUBTYPE_SH7619
590 default "32000000" if CPU_SUBTYPE_SH7722
591 default "33333333" if CPU_SUBTYPE_SH7770 || \
592 CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
593 CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \
595 default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
596 default "66000000" if CPU_SUBTYPE_SH4_202
599 This option is used to specify the peripheral clock frequency.
600 This is necessary for determining the reference clock value on
601 platforms lacking an RTC.
604 int "CPU Mode Pin Setting"
606 default 6 if CPU_SUBTYPE_SH7206
607 default 5 if CPU_SUBTYPE_SH7619
610 MD2 - MD0 pin setting.
612 source "kernel/time/Kconfig"
616 menu "CPU Frequency scaling"
618 source "drivers/cpufreq/Kconfig"
621 tristate "SuperH CPU Frequency driver"
623 select CPU_FREQ_TABLE
625 This adds the cpufreq driver for SuperH. At present, only
626 the SH-4 is supported.
628 For details, take a look at <file:Documentation/cpu-freq>.
634 source "arch/sh/drivers/Kconfig"
640 depends on SH_MPC1211
642 menu "Kernel features"
644 source kernel/Kconfig.hz
647 bool "kexec system call (EXPERIMENTAL)"
648 depends on EXPERIMENTAL
650 kexec is a system call that implements the ability to shutdown your
651 current kernel, and to start another kernel. It is like a reboot
652 but it is independent of the system firmware. And like a reboot
653 you can start any kernel with it, not just Linux.
655 The name comes from the similarity to the exec system call.
657 It is an ongoing process to be certain the hardware in a machine
658 is properly shutdown, so do not be surprised if this code does not
659 initially work for you. It may help to enable device hotplugging
660 support. As of this writing the exact hardware interface is
661 strongly in flux, so no good recommendation can be made.
664 bool "kernel crash dumps (EXPERIMENTAL)"
665 depends on EXPERIMENTAL
667 Generate crash dump after being started by kexec.
668 This should be normally only set in special crash dump kernels
669 which are loaded in the main kernel with kexec-tools into
670 a specially reserved region and then later executed after
671 a crash by kdump/kexec. The crash dump kernel must be compiled
672 to a memory address not used by the main kernel using
675 For more details see Documentation/kdump/kdump.txt
678 bool "Symmetric multi-processing support"
679 depends on SYS_SUPPORTS_SMP
681 This enables support for systems with more than one CPU. If you have
682 a system with only one CPU, like most personal computers, say N. If
683 you have a system with more than one CPU, say Y.
685 If you say N here, the kernel will run on single and multiprocessor
686 machines, but will use only one CPU of a multiprocessor machine. If
687 you say Y here, the kernel will run on many, but not all,
688 singleprocessor machines. On a singleprocessor machine, the kernel
689 will run faster if you say N here.
691 People using multiprocessor machines who say Y here should also say
692 Y to "Enhanced Real Time Clock Support", below.
694 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
695 available at <http://www.tldp.org/docs.html#howto>.
697 If you don't know what to do here, say N.
700 int "Maximum number of CPUs (2-32)"
703 default "4" if CPU_SHX3
706 This allows you to specify the maximum number of CPUs which this
707 kernel will support. The maximum supported value is 32 and the
708 minimum value which makes sense is 2.
710 This is purely to save memory - each supported CPU adds
711 approximately eight kilobytes to the kernel image.
713 source "kernel/Kconfig.preempt"
717 depends on !SMP && SUPERH32
719 This enables support for gUSA (general UserSpace Atomicity).
720 This is the default implementation for both UP and non-ll/sc
721 CPUs, and is used by the libc, amongst others.
723 For additional information, design information can be found
724 in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
726 This should only be disabled for special cases where alternate
727 atomicity implementations exist.
730 bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
731 depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
733 Enabling this option will allow the kernel to implement some
734 atomic operations using a software implemention of load-locked/
735 store-conditional (LLSC). On machines which do not have hardware
736 LLSC, this should be more efficient than the other alternative of
737 disabling insterrupts around the atomic sequence.
743 config ZERO_PAGE_OFFSET
744 hex "Zero page offset"
745 default "0x00004000" if SH_MPC1211 || SH_SH03
746 default "0x00010000" if PAGE_SIZE_64KB
747 default "0x00002000" if PAGE_SIZE_8KB
750 This sets the default offset of zero page.
752 config BOOT_LINK_OFFSET
753 hex "Link address offset for booting"
756 This option allows you to set the link address offset of the zImage.
757 This can be useful if you are on a board which has a small amount of
761 bool "Wakeup UBC on startup"
762 depends on CPU_SH4 && !CPU_SH4A
764 Selecting this option will wakeup the User Break Controller (UBC) on
765 startup. Although the UBC is left in an awake state when the processor
766 comes up, some boot loaders misbehave by putting the UBC to sleep in a
767 power saving state, which causes issues with things like ptrace().
772 bool "Default bootloader kernel arguments"
775 string "Initial kernel command string"
776 depends on CMDLINE_BOOL
777 default "console=ttySC1,115200"
783 # Even on SuperH devices which don't have an ISA bus,
784 # this variable helps the PCMCIA modules handle
785 # IRQ requesting properly -- Greg Banks.
787 # Though we're generally not interested in it when
788 # we're not using PCMCIA, so we make it dependent on
789 # PCMCIA outright. -- PFM.
792 depends on PCMCIA && HD6446X_SERIES
794 Find out whether you have ISA slots on your motherboard. ISA is the
795 name of a bus system, i.e. the way the CPU talks to the other stuff
796 inside your box. Other bus systems are PCI, EISA, MicroChannel
797 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
798 newer boards don't support it. If you have ISA, say Y, otherwise N.
803 The Extended Industry Standard Architecture (EISA) bus was
804 developed as an open alternative to the IBM MicroChannel bus.
806 The EISA bus provided some of the features of the IBM MicroChannel
807 bus while maintaining backward compatibility with cards made for
808 the older ISA bus. The EISA bus saw limited use between 1988 and
809 1995 when it was made obsolete by the PCI bus.
811 Say Y here if you are building a kernel for an EISA-based machine.
818 MicroChannel Architecture is found in some IBM PS/2 machines and
819 laptops. It is a bus system similar to PCI or ISA. See
820 <file:Documentation/mca.txt> (and especially the web page given
821 there) before attempting to build an MCA bus kernel.
827 tristate "SuperHyway Bus support"
828 depends on CPU_SUBTYPE_SH4_202
831 bool "Maple Bus support"
832 depends on SH_DREAMCAST
834 The Maple Bus is SEGA's serial communication bus for peripherals
835 on the Dreamcast. Without this bus support you won't be able to
836 get your Dreamcast keyboard etc to work, so most users
837 probably want to say 'Y' here, unless you are only using the
838 Dreamcast with a serial line terminal or a remote network
842 bool "Compact Flash Enabler support"
843 depends on SOLUTION_ENGINE || SH_SH03
845 Compact Flash is a small, removable mass storage device introduced
846 in 1994 originally as a PCMCIA device. If you say `Y' here, you
847 compile in support for Compact Flash devices directly connected to
848 a SuperH processor. A Compact Flash FAQ is available at
849 <http://www.compactflash.org/faqs/faq.htm>.
851 If your board has "Directly Connected" CompactFlash at area 5 or 6,
852 you may want to enable this option. Then, you can use CF as
853 primary IDE drive (only tested for SanDisk).
855 If in doubt, select 'N'.
858 prompt "Compact Flash Connection Area"
859 depends on CF_ENABLER
865 If your board has "Directly Connected" CompactFlash, You should
866 select the area where your CF is connected to.
868 - "Area5" if CompactFlash is connected to Area 5 (0x14000000)
869 - "Area6" if it is connected to Area 6 (0x18000000)
871 "Area6" will work for most boards.
880 depends on CF_ENABLER
881 default "0xb8000000" if CF_AREA6
882 default "0xb4000000" if CF_AREA5
884 source "arch/sh/drivers/pci/Kconfig"
886 source "drivers/pci/Kconfig"
888 source "drivers/pcmcia/Kconfig"
890 source "drivers/pci/hotplug/Kconfig"
894 menu "Executable file formats"
896 source "fs/Kconfig.binfmt"
900 menu "Power management options (EXPERIMENTAL)"
901 depends on EXPERIMENTAL && SYS_SUPPORTS_PM
903 config ARCH_SUSPEND_POSSIBLE
907 source kernel/power/Kconfig
913 source "drivers/Kconfig"
917 source "arch/sh/Kconfig.debug"
919 source "security/Kconfig"
921 source "crypto/Kconfig"