6 # Horrible source of confusion. Die, die, die ...
10 mainmenu "Linux/MIPS Kernel Configuration"
12 menu "Machine selection"
22 bool "Alchemy processor based machines"
25 bool "Basler eXcite smart camera"
34 select SYS_HAS_CPU_RM9000
35 select SYS_SUPPORTS_32BIT_KERNEL
36 select SYS_SUPPORTS_BIG_ENDIAN
37 select SYS_SUPPORTS_KGDB
39 The eXcite is a smart camera platform manufactured by
40 Basler Vision Technologies AG.
43 bool "BCM47XX based boards"
46 select DMA_NONCOHERENT
49 select SYS_HAS_CPU_MIPS32_R1
50 select SYS_SUPPORTS_32BIT_KERNEL
51 select SYS_SUPPORTS_LITTLE_ENDIAN
53 select SSB_DRIVER_MIPS
54 select SSB_DRIVER_EXTIF
55 select SSB_PCICORE_HOSTMODE if PCI
57 select SYS_HAS_EARLY_PRINTK
60 Support for BCM47XX based boards
67 select DMA_NONCOHERENT
73 select PCI_GT64XXX_PCI0
74 select SYS_HAS_CPU_NEVADA
75 select SYS_HAS_EARLY_PRINTK
76 select SYS_SUPPORTS_32BIT_KERNEL
77 select SYS_SUPPORTS_64BIT_KERNEL
78 select SYS_SUPPORTS_LITTLE_ENDIAN
79 select GENERIC_HARDIRQS_NO__DO_IRQ
81 config MACH_DECSTATION
88 select CPU_DADDI_WORKAROUNDS if 64BIT
89 select CPU_R4000_WORKAROUNDS if 64BIT
90 select CPU_R4400_WORKAROUNDS if 64BIT
91 select DMA_NONCOHERENT
94 select SYS_HAS_CPU_R3000
95 select SYS_HAS_CPU_R4X00
96 select SYS_SUPPORTS_32BIT_KERNEL
97 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
98 select SYS_SUPPORTS_LITTLE_ENDIAN
99 select SYS_SUPPORTS_128HZ
100 select SYS_SUPPORTS_256HZ
101 select SYS_SUPPORTS_1024HZ
103 This enables support for DEC's MIPS based workstations. For details
104 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
105 DECstation porting pages on <http://decstation.unix-ag.org/>.
107 If you have one of the following DECstation Models you definitely
108 want to choose R4xx0 for the CPU Type:
115 otherwise choose R3000.
118 bool "Jazz family of machines"
121 select ARCH_MAY_HAVE_PC_FDC
124 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
125 select GENERIC_ISA_DMA
130 select SYS_HAS_CPU_R4X00
131 select SYS_SUPPORTS_32BIT_KERNEL
132 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
133 select SYS_SUPPORTS_100HZ
134 select GENERIC_HARDIRQS_NO__DO_IRQ
136 This a family of machines based on the MIPS R4030 chipset which was
137 used by several vendors to build RISC/os and Windows NT workstations.
138 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
139 Olivetti M700-10 workstations.
142 bool "LASAT Networks platforms"
145 select DMA_NONCOHERENT
146 select SYS_HAS_EARLY_PRINTK
149 select PCI_GT64XXX_PCI0
151 select R5000_CPU_SCACHE
152 select SYS_HAS_CPU_R5000
153 select SYS_SUPPORTS_32BIT_KERNEL
154 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
155 select SYS_SUPPORTS_LITTLE_ENDIAN
156 select GENERIC_HARDIRQS_NO__DO_IRQ
159 bool "Lemote Fulong mini-PC"
160 select ARCH_SPARSEMEM_ENABLE
163 select SYS_HAS_CPU_LOONGSON2
164 select DMA_NONCOHERENT
167 select HAVE_STD_PC_SERIAL_PORT
172 select SYS_SUPPORTS_32BIT_KERNEL
173 select SYS_SUPPORTS_64BIT_KERNEL
174 select SYS_SUPPORTS_LITTLE_ENDIAN
175 select SYS_SUPPORTS_HIGHMEM
176 select SYS_HAS_EARLY_PRINTK
177 select GENERIC_HARDIRQS_NO__DO_IRQ
178 select GENERIC_ISA_DMA_SUPPORT_BROKEN
181 Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and
185 bool "MIPS Malta board"
186 select ARCH_MAY_HAVE_PC_FDC
191 select DMA_NONCOHERENT
192 select GENERIC_ISA_DMA
198 select MIPS_BOARDS_GEN
200 select MIPS_CPU_SCACHE
201 select PCI_GT64XXX_PCI0
204 select SYS_HAS_CPU_MIPS32_R1
205 select SYS_HAS_CPU_MIPS32_R2
206 select SYS_HAS_CPU_MIPS64_R1
207 select SYS_HAS_CPU_NEVADA
208 select SYS_HAS_CPU_RM7000
209 select SYS_HAS_EARLY_PRINTK
210 select SYS_SUPPORTS_32BIT_KERNEL
211 select SYS_SUPPORTS_64BIT_KERNEL
212 select SYS_SUPPORTS_BIG_ENDIAN
213 select SYS_SUPPORTS_LITTLE_ENDIAN
214 select SYS_SUPPORTS_MULTITHREADING
215 select SYS_SUPPORTS_SMARTMIPS
217 This enables support for the MIPS Technologies Malta evaluation
221 bool 'MIPS simulator (MIPSsim)'
224 select DMA_NONCOHERENT
225 select SYS_HAS_EARLY_PRINTK
228 select SYS_HAS_CPU_MIPS32_R1
229 select SYS_HAS_CPU_MIPS32_R2
230 select SYS_HAS_EARLY_PRINTK
231 select SYS_SUPPORTS_32BIT_KERNEL
232 select SYS_SUPPORTS_BIG_ENDIAN
233 select SYS_SUPPORTS_MULTITHREADING
234 select SYS_SUPPORTS_LITTLE_ENDIAN
236 This option enables support for MIPS Technologies MIPSsim software
240 bool "NEC EMMA2RH Mark-eins"
243 select DMA_NONCOHERENT
247 select SYS_SUPPORTS_32BIT_KERNEL
248 select SYS_SUPPORTS_BIG_ENDIAN
249 select SYS_SUPPORTS_LITTLE_ENDIAN
250 select SYS_HAS_CPU_R5000
252 This enables support for the R5432-based NEC Mark-eins
253 boards with R5500 CPU.
256 bool "NEC VR4100 series based machines"
259 select SYS_HAS_CPU_VR41XX
260 select GENERIC_HARDIRQS_NO__DO_IRQ
263 bool "NXP PNX8550 based JBS board"
265 select SYS_SUPPORTS_LITTLE_ENDIAN
267 config PNX8550_STB810
268 bool "NXP PNX8550 based STB810 board"
270 select SYS_SUPPORTS_LITTLE_ENDIAN
273 bool "PMC-Sierra MSP chipsets"
274 depends on EXPERIMENTAL
275 select DMA_NONCOHERENT
277 select NO_EXCEPT_FILL
279 select SYS_HAS_CPU_MIPS32_R1
280 select SYS_HAS_CPU_MIPS32_R2
281 select SYS_SUPPORTS_32BIT_KERNEL
282 select SYS_SUPPORTS_BIG_ENDIAN
283 select SYS_SUPPORTS_KGDB
286 select SERIAL_8250_CONSOLE
288 This adds support for the PMC-Sierra family of Multi-Service
289 Processor System-On-A-Chips. These parts include a number
290 of integrated peripherals, interfaces and DSPs in addition to
291 a variety of MIPS cores.
294 bool "PMC-Sierra Yosemite eval board"
303 select SYS_HAS_CPU_RM9000
304 select SYS_HAS_EARLY_PRINTK
305 select SYS_SUPPORTS_32BIT_KERNEL
306 select SYS_SUPPORTS_64BIT_KERNEL
307 select SYS_SUPPORTS_BIG_ENDIAN
308 select SYS_SUPPORTS_HIGHMEM
309 select SYS_SUPPORTS_KGDB
310 select SYS_SUPPORTS_SMP
312 Yosemite is an evaluation board for the RM9000x2 processor
313 manufactured by PMC-Sierra.
316 bool "SGI IP22 (Indy/Indigo2)"
322 select DEFAULT_SGI_PARTITION
323 select DMA_NONCOHERENT
327 select IP22_CPU_SCACHE
329 select GENERIC_ISA_DMA_SUPPORT_BROKEN
330 select SGI_HAS_DS1286
332 select SGI_HAS_INDYDOG
337 select SYS_HAS_CPU_R4X00
338 select SYS_HAS_CPU_R5000
339 select SYS_HAS_EARLY_PRINTK
340 select SYS_SUPPORTS_32BIT_KERNEL
341 select SYS_SUPPORTS_64BIT_KERNEL
342 select SYS_SUPPORTS_BIG_ENDIAN
344 This are the SGI Indy, Challenge S and Indigo2, as well as certain
345 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
346 that runs on these, say Y here.
349 bool "SGI IP27 (Origin200/2000)"
353 select DEFAULT_SGI_PARTITION
355 select SYS_HAS_EARLY_PRINTK
357 select NR_CPUS_DEFAULT_64
358 select SYS_HAS_CPU_R10000
359 select SYS_SUPPORTS_64BIT_KERNEL
360 select SYS_SUPPORTS_BIG_ENDIAN
361 select SYS_SUPPORTS_KGDB
362 select SYS_SUPPORTS_NUMA
363 select SYS_SUPPORTS_SMP
364 select GENERIC_HARDIRQS_NO__DO_IRQ
366 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
367 workstations. To compile a Linux kernel that runs on these, say Y
371 bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
372 depends on EXPERIMENTAL
378 select DEFAULT_SGI_PARTITION
379 select DMA_NONCOHERENT
380 select GENERIC_ISA_DMA_SUPPORT_BROKEN
385 select SGI_HAS_DS1286
387 select SGI_HAS_INDYDOG
394 select SYS_HAS_CPU_R10000
395 select SYS_HAS_EARLY_PRINTK
396 select SYS_SUPPORTS_64BIT_KERNEL
397 select SYS_SUPPORTS_BIG_ENDIAN
399 This is the SGI Indigo2 with R10000 processor. To compile a Linux
400 kernel that runs on these, say Y here.
409 select DMA_NONCOHERENT
412 select R5000_CPU_SCACHE
413 select RM7000_CPU_SCACHE
414 select SYS_HAS_CPU_R5000
415 select SYS_HAS_CPU_R10000 if BROKEN
416 select SYS_HAS_CPU_RM7000
417 select SYS_HAS_CPU_NEVADA
418 select SYS_SUPPORTS_64BIT_KERNEL
419 select SYS_SUPPORTS_BIG_ENDIAN
421 If you want this kernel to run on SGI O2 workstation, say Y here.
424 bool "Sibyte BCM91120C-CRhine"
425 depends on EXPERIMENTAL
428 select SIBYTE_BCM1120
430 select SYS_HAS_CPU_SB1
431 select SYS_SUPPORTS_BIG_ENDIAN
432 select SYS_SUPPORTS_LITTLE_ENDIAN
435 bool "Sibyte BCM91120x-Carmel"
436 depends on EXPERIMENTAL
439 select SIBYTE_BCM1120
441 select SYS_HAS_CPU_SB1
442 select SYS_SUPPORTS_BIG_ENDIAN
443 select SYS_SUPPORTS_LITTLE_ENDIAN
446 bool "Sibyte BCM91125C-CRhone"
447 depends on EXPERIMENTAL
450 select SIBYTE_BCM1125
452 select SYS_HAS_CPU_SB1
453 select SYS_SUPPORTS_BIG_ENDIAN
454 select SYS_SUPPORTS_HIGHMEM
455 select SYS_SUPPORTS_LITTLE_ENDIAN
458 bool "Sibyte BCM91125E-Rhone"
459 depends on EXPERIMENTAL
462 select SIBYTE_BCM1125H
464 select SYS_HAS_CPU_SB1
465 select SYS_SUPPORTS_BIG_ENDIAN
466 select SYS_SUPPORTS_LITTLE_ENDIAN
469 bool "Sibyte BCM91250A-SWARM"
472 select NR_CPUS_DEFAULT_2
475 select SYS_HAS_CPU_SB1
476 select SYS_SUPPORTS_BIG_ENDIAN
477 select SYS_SUPPORTS_HIGHMEM
478 select SYS_SUPPORTS_KGDB
479 select SYS_SUPPORTS_LITTLE_ENDIAN
480 select ZONE_DMA32 if 64BIT
482 config SIBYTE_LITTLESUR
483 bool "Sibyte BCM91250C2-LittleSur"
484 depends on EXPERIMENTAL
487 select NR_CPUS_DEFAULT_2
490 select SYS_HAS_CPU_SB1
491 select SYS_SUPPORTS_BIG_ENDIAN
492 select SYS_SUPPORTS_HIGHMEM
493 select SYS_SUPPORTS_LITTLE_ENDIAN
495 config SIBYTE_SENTOSA
496 bool "Sibyte BCM91250E-Sentosa"
497 depends on EXPERIMENTAL
500 select NR_CPUS_DEFAULT_2
503 select SYS_HAS_CPU_SB1
504 select SYS_SUPPORTS_BIG_ENDIAN
505 select SYS_SUPPORTS_LITTLE_ENDIAN
508 bool "Sibyte BCM91480B-BigSur"
511 select NR_CPUS_DEFAULT_4
512 select SIBYTE_BCM1x80
514 select SYS_HAS_CPU_SB1
515 select SYS_SUPPORTS_BIG_ENDIAN
516 select SYS_SUPPORTS_HIGHMEM
517 select SYS_SUPPORTS_LITTLE_ENDIAN
518 select ZONE_DMA32 if 64BIT
521 bool "SNI RM200/300/400"
522 select ARC if CPU_LITTLE_ENDIAN
523 select ARC32 if CPU_LITTLE_ENDIAN
524 select SNIPROM if CPU_BIG_ENDIAN
525 select ARCH_MAY_HAVE_PC_FDC
529 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
530 select DMA_NONCOHERENT
531 select GENERIC_ISA_DMA
538 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
539 select SYS_HAS_CPU_R4X00
540 select SYS_HAS_CPU_R5000
541 select SYS_HAS_CPU_R10000
542 select R5000_CPU_SCACHE
543 select SYS_HAS_EARLY_PRINTK
544 select SYS_SUPPORTS_32BIT_KERNEL
545 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
546 select SYS_SUPPORTS_BIG_ENDIAN
547 select SYS_SUPPORTS_HIGHMEM
548 select SYS_SUPPORTS_LITTLE_ENDIAN
550 The SNI RM200/300/400 are MIPS-based machines manufactured by
551 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
552 Technology and now in turn merged with Fujitsu. Say Y here to
553 support this machine type.
556 bool "Toshiba TX39 series based machines"
559 bool "Toshiba TX49 series based machines"
562 bool "Wind River PPMC board"
567 select DMA_NONCOHERENT
569 select PCI_GT64XXX_PCI0
571 select SYS_HAS_CPU_MIPS32_R1
572 select SYS_HAS_CPU_MIPS32_R2
573 select SYS_HAS_CPU_MIPS64_R1
574 select SYS_HAS_CPU_NEVADA
575 select SYS_HAS_CPU_RM7000
576 select SYS_SUPPORTS_32BIT_KERNEL
577 select SYS_SUPPORTS_64BIT_KERNEL
578 select SYS_SUPPORTS_BIG_ENDIAN
579 select SYS_SUPPORTS_LITTLE_ENDIAN
581 This enables support for the Wind River MIPS32 4KC PPMC evaluation
582 board, which is based on GT64120 bridge chip.
586 source "arch/mips/au1000/Kconfig"
587 source "arch/mips/basler/excite/Kconfig"
588 source "arch/mips/jazz/Kconfig"
589 source "arch/mips/lasat/Kconfig"
590 source "arch/mips/pmc-sierra/Kconfig"
591 source "arch/mips/sgi-ip27/Kconfig"
592 source "arch/mips/sibyte/Kconfig"
593 source "arch/mips/txx9/Kconfig"
594 source "arch/mips/vr41xx/Kconfig"
598 config GENERIC_LOCKBREAK
601 depends on SMP && PREEMPT
603 config RWSEM_GENERIC_SPINLOCK
607 config RWSEM_XCHGADD_ALGORITHM
610 config ARCH_HAS_ILOG2_U32
614 config ARCH_HAS_ILOG2_U64
618 config ARCH_SUPPORTS_OPROFILE
620 default y if !MIPS_MT_SMTC
622 config GENERIC_FIND_NEXT_BIT
626 config GENERIC_HWEIGHT
630 config GENERIC_CALIBRATE_DELAY
634 config GENERIC_CLOCKEVENTS
642 config GENERIC_CMOS_UPDATE
646 config SCHED_NO_NO_OMIT_FRAME_POINTER
650 config GENERIC_HARDIRQS_NO__DO_IRQ
655 # Select some configuration options automatically based on user selections.
660 config ARCH_MAY_HAVE_PC_FDC
710 config DMA_NONCOHERENT
712 select DMA_NEED_PCI_MAP_STATE
714 config DMA_NEED_PCI_MAP_STATE
718 bool "Early printk" if EMBEDDED && DEBUG_KERNEL
719 depends on SYS_HAS_EARLY_PRINTK
722 This option enables special console drivers which allow the kernel
723 to print messages very early in the bootup process.
725 This is useful for kernel debugging when your machine crashes very
726 early before the console code is initialized. For normal operation,
727 it is not recommended because it looks ugly on some machines and
728 doesn't cooperate with an X server. You should normally say N here,
729 unless you want to debug such a crash.
731 config SYS_HAS_EARLY_PRINTK
750 config MIPS_DISABLE_OBSOLETE_IDE
759 config GENERIC_ISA_DMA
761 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
763 config GENERIC_ISA_DMA_SUPPORT_BROKEN
765 select GENERIC_ISA_DMA
771 # Endianess selection. Sufficiently obscure so many users don't know what to
772 # answer,so we try hard to limit the available choices. Also the use of a
773 # choice statement should be more obvious to the user.
776 prompt "Endianess selection"
778 Some MIPS machines can be configured for either little or big endian
779 byte order. These modes require different kernels and a different
780 Linux distribution. In general there is one preferred byteorder for a
781 particular system but some systems are just as commonly used in the
782 one or the other endianness.
784 config CPU_BIG_ENDIAN
786 depends on SYS_SUPPORTS_BIG_ENDIAN
788 config CPU_LITTLE_ENDIAN
790 depends on SYS_SUPPORTS_LITTLE_ENDIAN
795 config SYS_SUPPORTS_APM_EMULATION
798 config SYS_SUPPORTS_BIG_ENDIAN
801 config SYS_SUPPORTS_LITTLE_ENDIAN
828 config MIPS_BOARDS_GEN
831 config PCI_GT64XXX_PCI0
834 config NO_EXCEPT_FILL
847 select DMA_NONCOHERENT
849 select SYS_HAS_CPU_MIPS32_R1
850 select SYS_HAS_EARLY_PRINTK
851 select SYS_SUPPORTS_32BIT_KERNEL
852 select GENERIC_HARDIRQS_NO__DO_IRQ
853 select SYS_SUPPORTS_KGDB
867 config SGI_HAS_DS1286
870 config SGI_HAS_INDYDOG
888 config DEFAULT_SGI_PARTITION
900 config MIPS_L1_CACHE_SHIFT
902 default "4" if MACH_DECSTATION
903 default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM
904 default "4" if PMC_MSP4200_EVAL
907 config HAVE_STD_PC_SERIAL_PORT
911 bool "ARC console support"
912 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
916 depends on MACH_JAZZ || SNI_RM || SGI_IP32
921 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
938 depends on SYS_HAS_CPU_LOONGSON2
939 select CPU_SUPPORTS_32BIT_KERNEL
940 select CPU_SUPPORTS_64BIT_KERNEL
941 select CPU_SUPPORTS_HIGHMEM
943 The Loongson 2E processor implements the MIPS III instruction set
944 with many extensions.
947 bool "MIPS32 Release 1"
948 depends on SYS_HAS_CPU_MIPS32_R1
950 select CPU_HAS_PREFETCH
951 select CPU_SUPPORTS_32BIT_KERNEL
952 select CPU_SUPPORTS_HIGHMEM
954 Choose this option to build a kernel for release 1 or later of the
955 MIPS32 architecture. Most modern embedded systems with a 32-bit
956 MIPS processor are based on a MIPS32 processor. If you know the
957 specific type of processor in your system, choose those that one
958 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
959 Release 2 of the MIPS32 architecture is available since several
960 years so chances are you even have a MIPS32 Release 2 processor
961 in which case you should choose CPU_MIPS32_R2 instead for better
965 bool "MIPS32 Release 2"
966 depends on SYS_HAS_CPU_MIPS32_R2
968 select CPU_HAS_PREFETCH
969 select CPU_SUPPORTS_32BIT_KERNEL
970 select CPU_SUPPORTS_HIGHMEM
972 Choose this option to build a kernel for release 2 or later of the
973 MIPS32 architecture. Most modern embedded systems with a 32-bit
974 MIPS processor are based on a MIPS32 processor. If you know the
975 specific type of processor in your system, choose those that one
976 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
979 bool "MIPS64 Release 1"
980 depends on SYS_HAS_CPU_MIPS64_R1
982 select CPU_HAS_PREFETCH
983 select CPU_SUPPORTS_32BIT_KERNEL
984 select CPU_SUPPORTS_64BIT_KERNEL
985 select CPU_SUPPORTS_HIGHMEM
987 Choose this option to build a kernel for release 1 or later of the
988 MIPS64 architecture. Many modern embedded systems with a 64-bit
989 MIPS processor are based on a MIPS64 processor. If you know the
990 specific type of processor in your system, choose those that one
991 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
992 Release 2 of the MIPS64 architecture is available since several
993 years so chances are you even have a MIPS64 Release 2 processor
994 in which case you should choose CPU_MIPS64_R2 instead for better
998 bool "MIPS64 Release 2"
999 depends on SYS_HAS_CPU_MIPS64_R2
1001 select CPU_HAS_PREFETCH
1002 select CPU_SUPPORTS_32BIT_KERNEL
1003 select CPU_SUPPORTS_64BIT_KERNEL
1004 select CPU_SUPPORTS_HIGHMEM
1006 Choose this option to build a kernel for release 2 or later of the
1007 MIPS64 architecture. Many modern embedded systems with a 64-bit
1008 MIPS processor are based on a MIPS64 processor. If you know the
1009 specific type of processor in your system, choose those that one
1010 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1014 depends on SYS_HAS_CPU_R3000
1016 select CPU_SUPPORTS_32BIT_KERNEL
1017 select CPU_SUPPORTS_HIGHMEM
1019 Please make sure to pick the right CPU type. Linux/MIPS is not
1020 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1021 *not* work on R4000 machines and vice versa. However, since most
1022 of the supported machines have an R4000 (or similar) CPU, R4x00
1023 might be a safe bet. If the resulting kernel does not work,
1024 try to recompile with R3000.
1028 depends on SYS_HAS_CPU_TX39XX
1029 select CPU_SUPPORTS_32BIT_KERNEL
1033 depends on SYS_HAS_CPU_VR41XX
1034 select CPU_SUPPORTS_32BIT_KERNEL
1035 select CPU_SUPPORTS_64BIT_KERNEL
1037 The options selects support for the NEC VR4100 series of processors.
1038 Only choose this option if you have one of these processors as a
1039 kernel built with this option will not run on any other type of
1040 processor or vice versa.
1044 depends on SYS_HAS_CPU_R4300
1046 select CPU_SUPPORTS_32BIT_KERNEL
1047 select CPU_SUPPORTS_64BIT_KERNEL
1049 MIPS Technologies R4300-series processors.
1053 depends on SYS_HAS_CPU_R4X00
1055 select CPU_SUPPORTS_32BIT_KERNEL
1056 select CPU_SUPPORTS_64BIT_KERNEL
1058 MIPS Technologies R4000-series processors other than 4300, including
1059 the R4000, R4400, R4600, and 4700.
1063 depends on SYS_HAS_CPU_TX49XX
1065 select CPU_HAS_PREFETCH
1066 select CPU_SUPPORTS_32BIT_KERNEL
1067 select CPU_SUPPORTS_64BIT_KERNEL
1071 depends on SYS_HAS_CPU_R5000
1073 select CPU_SUPPORTS_32BIT_KERNEL
1074 select CPU_SUPPORTS_64BIT_KERNEL
1076 MIPS Technologies R5000-series processors other than the Nevada.
1080 depends on SYS_HAS_CPU_R5432
1082 select CPU_SUPPORTS_32BIT_KERNEL
1083 select CPU_SUPPORTS_64BIT_KERNEL
1087 depends on EXPERIMENTAL
1089 depends on SYS_HAS_CPU_R6000
1090 select CPU_SUPPORTS_32BIT_KERNEL
1092 MIPS Technologies R6000 and R6000A series processors. Note these
1093 processors are extremely rare and the support for them is incomplete.
1097 depends on SYS_HAS_CPU_NEVADA
1099 select CPU_SUPPORTS_32BIT_KERNEL
1100 select CPU_SUPPORTS_64BIT_KERNEL
1102 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1106 depends on EXPERIMENTAL
1107 depends on SYS_HAS_CPU_R8000
1109 select CPU_HAS_PREFETCH
1110 select CPU_SUPPORTS_64BIT_KERNEL
1112 MIPS Technologies R8000 processors. Note these processors are
1113 uncommon and the support for them is incomplete.
1117 depends on SYS_HAS_CPU_R10000
1119 select CPU_HAS_PREFETCH
1120 select CPU_SUPPORTS_32BIT_KERNEL
1121 select CPU_SUPPORTS_64BIT_KERNEL
1122 select CPU_SUPPORTS_HIGHMEM
1124 MIPS Technologies R10000-series processors.
1128 depends on SYS_HAS_CPU_RM7000
1130 select CPU_HAS_PREFETCH
1131 select CPU_SUPPORTS_32BIT_KERNEL
1132 select CPU_SUPPORTS_64BIT_KERNEL
1133 select CPU_SUPPORTS_HIGHMEM
1137 depends on SYS_HAS_CPU_RM9000
1139 select CPU_HAS_PREFETCH
1140 select CPU_SUPPORTS_32BIT_KERNEL
1141 select CPU_SUPPORTS_64BIT_KERNEL
1142 select CPU_SUPPORTS_HIGHMEM
1143 select WEAK_ORDERING
1147 depends on SYS_HAS_CPU_SB1
1149 select CPU_SUPPORTS_32BIT_KERNEL
1150 select CPU_SUPPORTS_64BIT_KERNEL
1151 select CPU_SUPPORTS_HIGHMEM
1152 select WEAK_ORDERING
1156 config SYS_HAS_CPU_LOONGSON2
1159 config SYS_HAS_CPU_MIPS32_R1
1162 config SYS_HAS_CPU_MIPS32_R2
1165 config SYS_HAS_CPU_MIPS64_R1
1168 config SYS_HAS_CPU_MIPS64_R2
1171 config SYS_HAS_CPU_R3000
1174 config SYS_HAS_CPU_TX39XX
1177 config SYS_HAS_CPU_VR41XX
1180 config SYS_HAS_CPU_R4300
1183 config SYS_HAS_CPU_R4X00
1186 config SYS_HAS_CPU_TX49XX
1189 config SYS_HAS_CPU_R5000
1192 config SYS_HAS_CPU_R5432
1195 config SYS_HAS_CPU_R6000
1198 config SYS_HAS_CPU_NEVADA
1201 config SYS_HAS_CPU_R8000
1204 config SYS_HAS_CPU_R10000
1207 config SYS_HAS_CPU_RM7000
1210 config SYS_HAS_CPU_RM9000
1213 config SYS_HAS_CPU_SB1
1217 # CPU may reorder R->R, R->W, W->R, W->W
1218 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1220 config WEAK_ORDERING
1224 # CPU may reorder reads and writes beyond LL/SC
1225 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1227 config WEAK_REORDERING_BEYOND_LLSC
1232 # These two indicate any level of the MIPS32 and MIPS64 architecture
1236 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1240 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1243 # These two indicate the revision of the architecture, either Release 1 or Release 2
1247 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1251 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
1253 config SYS_SUPPORTS_32BIT_KERNEL
1255 config SYS_SUPPORTS_64BIT_KERNEL
1257 config CPU_SUPPORTS_32BIT_KERNEL
1259 config CPU_SUPPORTS_64BIT_KERNEL
1266 prompt "Kernel code model"
1268 You should only select this option if you have a workload that
1269 actually benefits from 64-bit processing or if your machine has
1270 large memory. You will only be presented a single option in this
1271 menu if your system does not support both 32-bit and 64-bit kernels.
1274 bool "32-bit kernel"
1275 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1278 Select this option if you want to build a 32-bit kernel.
1280 bool "64-bit kernel"
1281 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1283 Select this option if you want to build a 64-bit kernel.
1288 prompt "Kernel page size"
1289 default PAGE_SIZE_4KB
1291 config PAGE_SIZE_4KB
1294 This option select the standard 4kB Linux page size. On some
1295 R3000-family processors this is the only available page size. Using
1296 4kB page size will minimize memory consumption and is therefore
1297 recommended for low memory systems.
1299 config PAGE_SIZE_8KB
1301 depends on EXPERIMENTAL && CPU_R8000
1303 Using 8kB page size will result in higher performance kernel at
1304 the price of higher memory consumption. This option is available
1305 only on the R8000 processor. Not that at the time of this writing
1306 this option is still high experimental; there are also issues with
1307 compatibility of user applications.
1309 config PAGE_SIZE_16KB
1311 depends on !CPU_R3000 && !CPU_TX39XX
1313 Using 16kB page size will result in higher performance kernel at
1314 the price of higher memory consumption. This option is available on
1315 all non-R3000 family processors. Note that you will need a suitable
1316 Linux distribution to support this.
1318 config PAGE_SIZE_64KB
1320 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1322 Using 64kB page size will result in higher performance kernel at
1323 the price of higher memory consumption. This option is available on
1324 all non-R3000 family processor. Not that at the time of this
1325 writing this option is still high experimental.
1332 config IP22_CPU_SCACHE
1337 # Support for a MIPS32 / MIPS64 style S-caches
1339 config MIPS_CPU_SCACHE
1343 config R5000_CPU_SCACHE
1347 config RM7000_CPU_SCACHE
1351 config SIBYTE_DMA_PAGEOPS
1352 bool "Use DMA to clear/copy pages"
1355 Instead of using the CPU to zero and copy pages, use a Data Mover
1356 channel. These DMA channels are otherwise unused by the standard
1357 SiByte Linux port. Seems to give a small performance benefit.
1359 config CPU_HAS_PREFETCH
1363 prompt "MIPS MT options"
1365 config MIPS_MT_DISABLED
1366 bool "Disable multithreading support."
1368 Use this option if your workload can't take advantage of
1369 MIPS hardware multithreading support. On systems that don't have
1370 the option of an MT-enabled processor this option will be the only
1371 option in this menu.
1374 bool "Use 1 TC on each available VPE for SMP"
1375 depends on SYS_SUPPORTS_MULTITHREADING
1376 select CPU_MIPSR2_IRQ_VI
1377 select CPU_MIPSR2_IRQ_EI
1379 select NR_CPUS_DEFAULT_2
1381 select SYS_SUPPORTS_SCHED_SMT if SMP
1382 select SYS_SUPPORTS_SMP
1385 This is a kernel model which is also known a VSMP or lately
1386 has been marketesed into SMVP.
1389 bool "SMTC: Use all TCs on all VPEs for SMP"
1390 depends on CPU_MIPS32_R2
1391 #depends on CPU_MIPS64_R2 # once there is hardware ...
1392 depends on SYS_SUPPORTS_MULTITHREADING
1393 select GENERIC_CLOCKEVENTS_BROADCAST
1394 select CPU_MIPSR2_IRQ_VI
1395 select CPU_MIPSR2_IRQ_EI
1397 select NR_CPUS_DEFAULT_8
1399 select SYS_SUPPORTS_SMP
1402 This is a kernel model which is known a SMTC or lately has been
1403 marketesed into SMVP.
1411 bool "SMT (multithreading) scheduler support"
1412 depends on SYS_SUPPORTS_SCHED_SMT
1415 SMT scheduler support improves the CPU scheduler's decision making
1416 when dealing with MIPS MT enabled cores at a cost of slightly
1417 increased overhead in some places. If unsure say N here.
1419 config SYS_SUPPORTS_SCHED_SMT
1423 config SYS_SUPPORTS_MULTITHREADING
1426 config MIPS_MT_FPAFF
1427 bool "Dynamic FPU affinity for FP-intensive threads"
1429 depends on MIPS_MT_SMP || MIPS_MT_SMTC
1431 config MIPS_VPE_LOADER
1432 bool "VPE loader support."
1433 depends on SYS_SUPPORTS_MULTITHREADING
1434 select CPU_MIPSR2_IRQ_VI
1435 select CPU_MIPSR2_IRQ_EI
1438 Includes a loader for loading an elf relocatable object
1439 onto another VPE and running it.
1441 config MIPS_MT_SMTC_INSTANT_REPLAY
1442 bool "Low-latency Dispatch of Deferred SMTC IPIs"
1443 depends on MIPS_MT_SMTC && !PREEMPT
1446 SMTC pseudo-interrupts between TCs are deferred and queued
1447 if the target TC is interrupt-inhibited (IXMT). In the first
1448 SMTC prototypes, these queued IPIs were serviced on return
1449 to user mode, or on entry into the kernel idle loop. The
1450 INSTANT_REPLAY option dispatches them as part of local_irq_restore()
1451 processing, which adds runtime overhead (hence the option to turn
1452 it off), but ensures that IPIs are handled promptly even under
1453 heavy I/O interrupt load.
1455 config MIPS_MT_SMTC_IM_BACKSTOP
1456 bool "Use per-TC register bits as backstop for inhibited IM bits"
1457 depends on MIPS_MT_SMTC
1460 To support multiple TC microthreads acting as "CPUs" within
1461 a VPE, VPE-wide interrupt mask bits must be specially manipulated
1462 during interrupt handling. To support legacy drivers and interrupt
1463 controller management code, SMTC has a "backstop" to track and
1464 if necessary restore the interrupt mask. This has some performance
1465 impact on interrupt service overhead. Disable it only if you know
1468 config MIPS_MT_SMTC_IRQAFF
1469 bool "Support IRQ affinity API"
1470 depends on MIPS_MT_SMTC
1473 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
1474 for SMTC Linux kernel. Requires platform support, of which
1475 an example can be found in the MIPS kernel i8259 and Malta
1476 platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY
1477 be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to
1478 interrupt dispatch, and should be used only if you know what
1481 config MIPS_VPE_LOADER_TOM
1482 bool "Load VPE program into memory hidden from linux"
1483 depends on MIPS_VPE_LOADER
1486 The loader can use memory that is present but has been hidden from
1487 Linux using the kernel command line option "mem=xxMB". It's up to
1488 you to ensure the amount you put in the option and the space your
1489 program requires is less or equal to the amount physically present.
1491 # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1492 config MIPS_VPE_APSP_API
1493 bool "Enable support for AP/SP API (RTLX)"
1494 depends on MIPS_VPE_LOADER
1497 config MIPS_APSP_KSPD
1499 depends on MIPS_VPE_APSP_API
1502 KSPD is a kernel daemon that accepts syscall requests from the SP
1503 side, actions them and returns the results. It also handles the
1504 "exit" syscall notifying other kernel modules the SP program is
1505 exiting. You probably want to say yes here.
1507 config SB1_PASS_1_WORKAROUNDS
1509 depends on CPU_SB1_PASS_1
1512 config SB1_PASS_2_WORKAROUNDS
1514 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1517 config SB1_PASS_2_1_WORKAROUNDS
1519 depends on CPU_SB1 && CPU_SB1_PASS_2
1522 config 64BIT_PHYS_ADDR
1528 config CPU_HAS_SMARTMIPS
1529 depends on SYS_SUPPORTS_SMARTMIPS
1530 bool "Support for the SmartMIPS ASE"
1532 SmartMIPS is a extension of the MIPS32 architecture aimed at
1533 increased security at both hardware and software level for
1534 smartcards. Enabling this option will allow proper use of the
1535 SmartMIPS instructions by Linux applications. However a kernel with
1536 this option will not work on a MIPS core without SmartMIPS core. If
1537 you don't know you probably don't have SmartMIPS and should say N
1544 # Vectored interrupt mode is an R2 feature
1546 config CPU_MIPSR2_IRQ_VI
1550 # Extended interrupt mode is an R2 feature
1552 config CPU_MIPSR2_IRQ_EI
1557 depends on !CPU_R3000
1560 config GENERIC_CLOCKEVENTS_BROADCAST
1566 config CPU_DADDI_WORKAROUNDS
1569 config CPU_R4000_WORKAROUNDS
1571 select CPU_R4400_WORKAROUNDS
1573 config CPU_R4400_WORKAROUNDS
1577 # Use the generic interrupt handling code in kernel/irq/:
1579 config GENERIC_HARDIRQS
1583 config GENERIC_IRQ_PROBE
1591 # - Highmem only makes sense for the 32-bit kernel.
1592 # - The current highmem code will only work properly on physically indexed
1593 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1594 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1595 # moment we protect the user and offer the highmem option only on machines
1596 # where it's known to be safe. This will not offer highmem on a few systems
1597 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1598 # indexed CPUs but we're playing safe.
1599 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
1600 # know they might have memory configurations that could make use of highmem
1604 bool "High Memory Support"
1605 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
1607 config CPU_SUPPORTS_HIGHMEM
1610 config SYS_SUPPORTS_HIGHMEM
1613 config SYS_SUPPORTS_SMARTMIPS
1616 config ARCH_FLATMEM_ENABLE
1620 config ARCH_DISCONTIGMEM_ENABLE
1622 default y if SGI_IP27
1624 Say Y to support efficient handling of discontiguous physical memory,
1625 for architectures which are either NUMA (Non-Uniform Memory Access)
1626 or have huge holes in the physical address space for other reasons.
1627 See <file:Documentation/vm/numa> for more.
1629 config ARCH_POPULATES_NODE_MAP
1632 config ARCH_SPARSEMEM_ENABLE
1634 select SPARSEMEM_STATIC
1638 depends on SYS_SUPPORTS_NUMA
1640 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
1641 Access). This option improves performance on systems with more
1642 than two nodes; on two node systems it is generally better to
1643 leave it disabled; on single node systems disable this option
1646 config SYS_SUPPORTS_NUMA
1652 depends on NEED_MULTIPLE_NODES
1657 bool "Multi-Processing support"
1658 depends on SYS_SUPPORTS_SMP
1660 select USE_GENERIC_SMP_HELPERS
1662 This enables support for systems with more than one CPU. If you have
1663 a system with only one CPU, like most personal computers, say N. If
1664 you have a system with more than one CPU, say Y.
1666 If you say N here, the kernel will run on single and multiprocessor
1667 machines, but will use only one CPU of a multiprocessor machine. If
1668 you say Y here, the kernel will run on many, but not all,
1669 singleprocessor machines. On a singleprocessor machine, the kernel
1670 will run faster if you say N here.
1672 People using multiprocessor machines who say Y here should also say
1673 Y to "Enhanced Real Time Clock Support", below.
1675 See also the SMP-HOWTO available at
1676 <http://www.tldp.org/docs.html#howto>.
1678 If you don't know what to do here, say N.
1683 config SYS_SUPPORTS_SMP
1686 config NR_CPUS_DEFAULT_1
1689 config NR_CPUS_DEFAULT_2
1692 config NR_CPUS_DEFAULT_4
1695 config NR_CPUS_DEFAULT_8
1698 config NR_CPUS_DEFAULT_16
1701 config NR_CPUS_DEFAULT_32
1704 config NR_CPUS_DEFAULT_64
1708 int "Maximum number of CPUs (2-64)"
1709 range 1 64 if NR_CPUS_DEFAULT_1
1711 default "1" if NR_CPUS_DEFAULT_1
1712 default "2" if NR_CPUS_DEFAULT_2
1713 default "4" if NR_CPUS_DEFAULT_4
1714 default "8" if NR_CPUS_DEFAULT_8
1715 default "16" if NR_CPUS_DEFAULT_16
1716 default "32" if NR_CPUS_DEFAULT_32
1717 default "64" if NR_CPUS_DEFAULT_64
1719 This allows you to specify the maximum number of CPUs which this
1720 kernel will support. The maximum supported value is 32 for 32-bit
1721 kernel and 64 for 64-bit kernels; the minimum value which makes
1722 sense is 1 for Qemu (useful only for kernel debugging purposes)
1723 and 2 for all others.
1725 This is purely to save memory - each supported CPU adds
1726 approximately eight kilobytes to the kernel image. For best
1727 performance should round up your number of processors to the next
1731 bool "MIPS CMP framework support"
1734 select SYS_SUPPORTS_SCHED_SMT
1735 select WEAK_ORDERING
1738 This is a placeholder option for the GCMP work. It will need to
1739 be handled differently...
1741 source "kernel/time/Kconfig"
1744 # Timer Interrupt Frequency Configuration
1748 prompt "Timer frequency"
1751 Allows the configuration of the timer frequency.
1754 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
1757 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
1760 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
1763 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
1766 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
1769 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
1772 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
1776 config SYS_SUPPORTS_48HZ
1779 config SYS_SUPPORTS_100HZ
1782 config SYS_SUPPORTS_128HZ
1785 config SYS_SUPPORTS_250HZ
1788 config SYS_SUPPORTS_256HZ
1791 config SYS_SUPPORTS_1000HZ
1794 config SYS_SUPPORTS_1024HZ
1797 config SYS_SUPPORTS_ARBIT_HZ
1799 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
1800 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
1801 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
1802 !SYS_SUPPORTS_1024HZ
1807 default 100 if HZ_100
1808 default 128 if HZ_128
1809 default 250 if HZ_250
1810 default 256 if HZ_256
1811 default 1000 if HZ_1000
1812 default 1024 if HZ_1024
1814 source "kernel/Kconfig.preempt"
1816 config MIPS_INSANE_LARGE
1817 bool "Support for large 64-bit configurations"
1818 depends on CPU_R10000 && 64BIT
1820 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1821 previous 64-bit processors which only supported 40 bit / 1TB. If you
1822 need processes of more than 1TB virtual address space, say Y here.
1823 This will result in additional memory usage, so it is not
1824 recommended for normal users.
1827 bool "Kexec system call (EXPERIMENTAL)"
1828 depends on EXPERIMENTAL
1830 kexec is a system call that implements the ability to shutdown your
1831 current kernel, and to start another kernel. It is like a reboot
1832 but it is independent of the system firmware. And like a reboot
1833 you can start any kernel with it, not just Linux.
1835 The name comes from the similarity to the exec system call.
1837 It is an ongoing process to be certain the hardware in a machine
1838 is properly shutdown, so do not be surprised if this code does not
1839 initially work for you. It may help to enable device hotplugging
1840 support. As of this writing the exact hardware interface is
1841 strongly in flux, so no good recommendation can be made.
1844 bool "Enable seccomp to safely compute untrusted bytecode"
1848 This kernel feature is useful for number crunching applications
1849 that may need to compute untrusted bytecode during their
1850 execution. By using pipes or other transports made available to
1851 the process as file descriptors supporting the read/write
1852 syscalls, it's possible to isolate those applications in
1853 their own address space using seccomp. Once seccomp is
1854 enabled via /proc/<pid>/seccomp, it cannot be disabled
1855 and the task is only allowed to execute a few safe syscalls
1856 defined by each seccomp mode.
1858 If unsure, say Y. Only embedded should say N here.
1862 config RWSEM_GENERIC_SPINLOCK
1866 config LOCKDEP_SUPPORT
1870 config STACKTRACE_SUPPORT
1874 source "init/Kconfig"
1876 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1884 bool "Support for PCI controller"
1885 depends on HW_HAS_PCI
1888 Find out whether you have a PCI motherboard. PCI is the name of a
1889 bus system, i.e. the way the CPU talks to the other stuff inside
1890 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1896 source "drivers/pci/Kconfig"
1899 # ISA support is now enabled via select. Too many systems still have the one
1900 # or other ISA chip on the board that users don't know about so don't expect
1901 # users to choose the right thing ...
1908 depends on HW_HAS_EISA
1910 select GENERIC_ISA_DMA
1912 The Extended Industry Standard Architecture (EISA) bus was
1913 developed as an open alternative to the IBM MicroChannel bus.
1915 The EISA bus provided some of the features of the IBM MicroChannel
1916 bus while maintaining backward compatibility with cards made for
1917 the older ISA bus. The EISA bus saw limited use between 1988 and
1918 1995 when it was made obsolete by the PCI bus.
1920 Say Y here if you are building a kernel for an EISA-based machine.
1924 source "drivers/eisa/Kconfig"
1927 bool "TURBOchannel support"
1928 depends on MACH_DECSTATION
1930 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1931 processors. Documentation on writing device drivers for TurboChannel
1933 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1936 # bool "Access.Bus support"
1949 source "drivers/pcmcia/Kconfig"
1951 source "drivers/pci/hotplug/Kconfig"
1955 menu "Executable file formats"
1957 source "fs/Kconfig.binfmt"
1962 config MIPS32_COMPAT
1963 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1966 Select this option if you want Linux/MIPS 32-bit binary
1967 compatibility. Since all software available for Linux/MIPS is
1968 currently 32-bit you should say Y here.
1972 depends on MIPS32_COMPAT
1975 config SYSVIPC_COMPAT
1977 depends on COMPAT && SYSVIPC
1981 bool "Kernel support for o32 binaries"
1982 depends on MIPS32_COMPAT
1984 Select this option if you want to run o32 binaries. These are pure
1985 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1986 existing binaries are in this format.
1991 bool "Kernel support for n32 binaries"
1992 depends on MIPS32_COMPAT
1994 Select this option if you want to run n32 binaries. These are
1995 64-bit binaries using 32-bit quantities for addressing and certain
1996 data that would normally be 64-bit. They are used in special
2003 default y if MIPS32_O32 || MIPS32_N32
2007 menu "Power management options"
2009 config ARCH_SUSPEND_POSSIBLE
2013 source "kernel/power/Kconfig"
2017 source "net/Kconfig"
2019 source "drivers/Kconfig"
2023 source "arch/mips/Kconfig.debug"
2025 source "security/Kconfig"
2027 source "crypto/Kconfig"
2029 source "lib/Kconfig"