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_SH7203
486 depends on CPU_SUBTYPE_SH7780
487 select SYS_SUPPORTS_PCI
489 Select SDK7780 if configuring for a Renesas SH7780 SDK7780R3
494 depends on CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
495 select SYS_SUPPORTS_PCI
500 depends on CPU_SUBTYPE_SH7785
501 select SYS_SUPPORTS_PCI
504 config SH_SH7785LCR_29BIT_PHYSMAPS
505 bool "SH7785LCR 29bit physmaps"
506 depends on SH_SH7785LCR
509 This board has 2 physical memory maps. It can be changed with
510 DIP switch(S2-5). If you set the DIP switch for S2-5 = ON,
511 you can access all on-board device in 29bit address mode.
515 depends on CPU_SUBTYPE_SH7722
517 Select Migo-R if configuring for the SH7722 Migo-R platform
518 by Renesas System Solutions Asia Pte. Ltd.
522 depends on CPU_SUBTYPE_SH7723
524 Renesas "AP-325RXA" support.
525 Compatible with ALGO SYSTEM CO.,LTD. "AP-320A"
529 depends on CPU_SUBTYPE_SH7763
531 Select SH7763RDP if configuring for a Renesas SH7763
536 depends on CPU_SUBTYPE_SH7705
538 config SH_SH4202_MICRODEV
539 bool "SH4-202 MicroDev"
540 depends on CPU_SUBTYPE_SH4_202
542 Select SH4-202 MicroDev if configuring for a SuperH MicroDev board
547 depends on CPU_SUBTYPE_SH7751R
548 select SYS_SUPPORTS_PCI
550 I-O DATA DEVICE, INC. "LANDISK Series" support.
554 depends on CPU_SUBTYPE_SH7751R
555 select CPU_HAS_IPR_IRQ
556 select SYS_SUPPORTS_PCI
558 Select Titan if you are configuring for a Nimble Microsystems
563 depends on CPU_SUBTYPE_SH7706
564 select CPU_HAS_IPR_IRQ
566 Select SHMIN if configuring for the SHMIN board.
570 depends on CPU_SUBTYPE_SH7751R
571 select SYS_SUPPORTS_PCI
573 Select L-BOX RE2 if configuring for the NTT COMWARE L-BOX RE2.
576 bool "SH-X3 Prototype board"
577 depends on CPU_SUBTYPE_SHX3
579 config SH_MAGIC_PANEL_R2
580 bool "Magic Panel R2"
581 depends on CPU_SUBTYPE_SH7720
583 Select Magic Panel R2 if configuring for Magic Panel R2.
586 bool "Hitachi Cayman"
587 depends on CPU_SUBTYPE_SH5_101 || CPU_SUBTYPE_SH5_103
588 select SYS_SUPPORTS_PCI
592 source "arch/sh/boards/renesas/rts7751r2d/Kconfig"
593 source "arch/sh/boards/renesas/r7780rp/Kconfig"
594 source "arch/sh/boards/renesas/sdk7780/Kconfig"
595 source "arch/sh/boards/renesas/migor/Kconfig"
596 source "arch/sh/boards/magicpanelr2/Kconfig"
598 menu "Timer and clock configuration"
602 prompt "TMU timer support"
603 depends on CPU_SH3 || CPU_SH4
605 select GENERIC_CLOCKEVENTS
607 This enables the use of the TMU as the system timer.
611 prompt "CMT timer support"
612 depends on CPU_SH2 && !CPU_SUBTYPE_MXG
614 This enables the use of the CMT as the system timer.
618 prompt "MTU2 timer support"
621 This enables the use of the MTU2 as the system timer.
625 default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 || \
627 default "86" if CPU_SUBTYPE_SH7619
628 default "140" if CPU_SUBTYPE_SH7206
629 default "142" if CPU_SUBTYPE_SH7203
630 default "238" if CPU_SUBTYPE_MXG
634 int "Peripheral clock frequency (in Hz)"
635 default "27000000" if CPU_SUBTYPE_SH7343
636 default "31250000" if CPU_SUBTYPE_SH7619
637 default "32000000" if CPU_SUBTYPE_SH7722
638 default "33333333" if CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7723 || \
639 CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
640 CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \
641 CPU_SUBTYPE_SH7263 || CPU_SUBTYPE_MXG
642 default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
643 default "66000000" if CPU_SUBTYPE_SH4_202
646 This option is used to specify the peripheral clock frequency.
647 This is necessary for determining the reference clock value on
648 platforms lacking an RTC.
651 int "CPU Mode Pin Setting"
653 default 6 if CPU_SUBTYPE_SH7206
654 default 5 if CPU_SUBTYPE_SH7619
657 MD2 - MD0 pin setting.
659 source "kernel/time/Kconfig"
663 menu "CPU Frequency scaling"
665 source "drivers/cpufreq/Kconfig"
668 tristate "SuperH CPU Frequency driver"
670 select CPU_FREQ_TABLE
672 This adds the cpufreq driver for SuperH. At present, only
673 the SH-4 is supported.
675 For details, take a look at <file:Documentation/cpu-freq>.
681 source "arch/sh/drivers/Kconfig"
688 menu "Kernel features"
690 source kernel/Kconfig.hz
693 bool "kexec system call (EXPERIMENTAL)"
694 depends on SUPERH32 && EXPERIMENTAL
696 kexec is a system call that implements the ability to shutdown your
697 current kernel, and to start another kernel. It is like a reboot
698 but it is independent of the system firmware. And like a reboot
699 you can start any kernel with it, not just Linux.
701 The name comes from the similarity to the exec system call.
703 It is an ongoing process to be certain the hardware in a machine
704 is properly shutdown, so do not be surprised if this code does not
705 initially work for you. It may help to enable device hotplugging
706 support. As of this writing the exact hardware interface is
707 strongly in flux, so no good recommendation can be made.
710 bool "kernel crash dumps (EXPERIMENTAL)"
711 depends on SUPERH32 && EXPERIMENTAL
713 Generate crash dump after being started by kexec.
714 This should be normally only set in special crash dump kernels
715 which are loaded in the main kernel with kexec-tools into
716 a specially reserved region and then later executed after
717 a crash by kdump/kexec. The crash dump kernel must be compiled
718 to a memory address not used by the main kernel using
721 For more details see Documentation/kdump/kdump.txt
724 bool "Symmetric multi-processing support"
725 depends on SYS_SUPPORTS_SMP
726 select USE_GENERIC_SMP_HELPERS
728 This enables support for systems with more than one CPU. If you have
729 a system with only one CPU, like most personal computers, say N. If
730 you have a system with more than one CPU, say Y.
732 If you say N here, the kernel will run on single and multiprocessor
733 machines, but will use only one CPU of a multiprocessor machine. If
734 you say Y here, the kernel will run on many, but not all,
735 singleprocessor machines. On a singleprocessor machine, the kernel
736 will run faster if you say N here.
738 People using multiprocessor machines who say Y here should also say
739 Y to "Enhanced Real Time Clock Support", below.
741 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
742 available at <http://www.tldp.org/docs.html#howto>.
744 If you don't know what to do here, say N.
747 int "Maximum number of CPUs (2-32)"
750 default "4" if CPU_SHX3
753 This allows you to specify the maximum number of CPUs which this
754 kernel will support. The maximum supported value is 32 and the
755 minimum value which makes sense is 2.
757 This is purely to save memory - each supported CPU adds
758 approximately eight kilobytes to the kernel image.
760 source "kernel/Kconfig.preempt"
764 depends on !SMP && SUPERH32
766 This enables support for gUSA (general UserSpace Atomicity).
767 This is the default implementation for both UP and non-ll/sc
768 CPUs, and is used by the libc, amongst others.
770 For additional information, design information can be found
771 in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>.
773 This should only be disabled for special cases where alternate
774 atomicity implementations exist.
777 bool "Implement atomic operations by roll-back (gRB) (EXPERIMENTAL)"
778 depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A)
780 Enabling this option will allow the kernel to implement some
781 atomic operations using a software implemention of load-locked/
782 store-conditional (LLSC). On machines which do not have hardware
783 LLSC, this should be more efficient than the other alternative of
784 disabling insterrupts around the atomic sequence.
790 config ZERO_PAGE_OFFSET
791 hex "Zero page offset"
792 default "0x00004000" if SH_SH03
793 default "0x00010000" if PAGE_SIZE_64KB
794 default "0x00002000" if PAGE_SIZE_8KB
797 This sets the default offset of zero page.
799 config BOOT_LINK_OFFSET
800 hex "Link address offset for booting"
803 This option allows you to set the link address offset of the zImage.
804 This can be useful if you are on a board which has a small amount of
808 bool "Wakeup UBC on startup"
809 depends on CPU_SH4 && !CPU_SH4A
811 Selecting this option will wakeup the User Break Controller (UBC) on
812 startup. Although the UBC is left in an awake state when the processor
813 comes up, some boot loaders misbehave by putting the UBC to sleep in a
814 power saving state, which causes issues with things like ptrace().
819 bool "Default bootloader kernel arguments"
822 string "Initial kernel command string"
823 depends on CMDLINE_BOOL
824 default "console=ttySC1,115200"
830 # Even on SuperH devices which don't have an ISA bus,
831 # this variable helps the PCMCIA modules handle
832 # IRQ requesting properly -- Greg Banks.
834 # Though we're generally not interested in it when
835 # we're not using PCMCIA, so we make it dependent on
836 # PCMCIA outright. -- PFM.
839 depends on PCMCIA && HD6446X_SERIES
841 Find out whether you have ISA slots on your motherboard. ISA is the
842 name of a bus system, i.e. the way the CPU talks to the other stuff
843 inside your box. Other bus systems are PCI, EISA, MicroChannel
844 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
845 newer boards don't support it. If you have ISA, say Y, otherwise N.
850 The Extended Industry Standard Architecture (EISA) bus was
851 developed as an open alternative to the IBM MicroChannel bus.
853 The EISA bus provided some of the features of the IBM MicroChannel
854 bus while maintaining backward compatibility with cards made for
855 the older ISA bus. The EISA bus saw limited use between 1988 and
856 1995 when it was made obsolete by the PCI bus.
858 Say Y here if you are building a kernel for an EISA-based machine.
865 MicroChannel Architecture is found in some IBM PS/2 machines and
866 laptops. It is a bus system similar to PCI or ISA. See
867 <file:Documentation/mca.txt> (and especially the web page given
868 there) before attempting to build an MCA bus kernel.
874 tristate "SuperHyway Bus support"
875 depends on CPU_SUBTYPE_SH4_202
878 bool "Maple Bus support"
879 depends on SH_DREAMCAST
881 The Maple Bus is SEGA's serial communication bus for peripherals
882 on the Dreamcast. Without this bus support you won't be able to
883 get your Dreamcast keyboard etc to work, so most users
884 probably want to say 'Y' here, unless you are only using the
885 Dreamcast with a serial line terminal or a remote network
889 bool "Compact Flash Enabler support"
890 depends on SOLUTION_ENGINE || SH_SH03
892 Compact Flash is a small, removable mass storage device introduced
893 in 1994 originally as a PCMCIA device. If you say `Y' here, you
894 compile in support for Compact Flash devices directly connected to
895 a SuperH processor. A Compact Flash FAQ is available at
896 <http://www.compactflash.org/faqs/faq.htm>.
898 If your board has "Directly Connected" CompactFlash at area 5 or 6,
899 you may want to enable this option. Then, you can use CF as
900 primary IDE drive (only tested for SanDisk).
902 If in doubt, select 'N'.
905 prompt "Compact Flash Connection Area"
906 depends on CF_ENABLER
912 If your board has "Directly Connected" CompactFlash, You should
913 select the area where your CF is connected to.
915 - "Area5" if CompactFlash is connected to Area 5 (0x14000000)
916 - "Area6" if it is connected to Area 6 (0x18000000)
918 "Area6" will work for most boards.
927 depends on CF_ENABLER
928 default "0xb8000000" if CF_AREA6
929 default "0xb4000000" if CF_AREA5
931 source "arch/sh/drivers/pci/Kconfig"
933 source "drivers/pci/Kconfig"
935 source "drivers/pcmcia/Kconfig"
937 source "drivers/pci/hotplug/Kconfig"
941 menu "Executable file formats"
943 source "fs/Kconfig.binfmt"
947 menu "Power management options (EXPERIMENTAL)"
948 depends on EXPERIMENTAL && SYS_SUPPORTS_PM
950 config ARCH_SUSPEND_POSSIBLE
954 source kernel/power/Kconfig
960 source "drivers/Kconfig"
964 source "arch/sh/Kconfig.debug"
966 source "security/Kconfig"
968 source "crypto/Kconfig"