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
392 select SYS_HAS_CPU_R10000
393 select SYS_HAS_EARLY_PRINTK
394 select SYS_SUPPORTS_64BIT_KERNEL
395 select SYS_SUPPORTS_BIG_ENDIAN
397 This is the SGI Indigo2 with R10000 processor. To compile a Linux
398 kernel that runs on these, say Y here.
407 select DMA_NONCOHERENT
410 select R5000_CPU_SCACHE
411 select RM7000_CPU_SCACHE
412 select SYS_HAS_CPU_R5000
413 select SYS_HAS_CPU_R10000 if BROKEN
414 select SYS_HAS_CPU_RM7000
415 select SYS_HAS_CPU_NEVADA
416 select SYS_SUPPORTS_64BIT_KERNEL
417 select SYS_SUPPORTS_BIG_ENDIAN
419 If you want this kernel to run on SGI O2 workstation, say Y here.
422 bool "Sibyte BCM91120C-CRhine"
423 depends on EXPERIMENTAL
426 select SIBYTE_BCM1120
428 select SYS_HAS_CPU_SB1
429 select SYS_SUPPORTS_BIG_ENDIAN
430 select SYS_SUPPORTS_LITTLE_ENDIAN
433 bool "Sibyte BCM91120x-Carmel"
434 depends on EXPERIMENTAL
437 select SIBYTE_BCM1120
439 select SYS_HAS_CPU_SB1
440 select SYS_SUPPORTS_BIG_ENDIAN
441 select SYS_SUPPORTS_LITTLE_ENDIAN
444 bool "Sibyte BCM91125C-CRhone"
445 depends on EXPERIMENTAL
448 select SIBYTE_BCM1125
450 select SYS_HAS_CPU_SB1
451 select SYS_SUPPORTS_BIG_ENDIAN
452 select SYS_SUPPORTS_HIGHMEM
453 select SYS_SUPPORTS_LITTLE_ENDIAN
456 bool "Sibyte BCM91125E-Rhone"
457 depends on EXPERIMENTAL
460 select SIBYTE_BCM1125H
462 select SYS_HAS_CPU_SB1
463 select SYS_SUPPORTS_BIG_ENDIAN
464 select SYS_SUPPORTS_LITTLE_ENDIAN
467 bool "Sibyte BCM91250A-SWARM"
470 select NR_CPUS_DEFAULT_2
473 select SYS_HAS_CPU_SB1
474 select SYS_SUPPORTS_BIG_ENDIAN
475 select SYS_SUPPORTS_HIGHMEM
476 select SYS_SUPPORTS_KGDB
477 select SYS_SUPPORTS_LITTLE_ENDIAN
478 select ZONE_DMA32 if 64BIT
480 config SIBYTE_LITTLESUR
481 bool "Sibyte BCM91250C2-LittleSur"
482 depends on EXPERIMENTAL
485 select NR_CPUS_DEFAULT_2
488 select SYS_HAS_CPU_SB1
489 select SYS_SUPPORTS_BIG_ENDIAN
490 select SYS_SUPPORTS_HIGHMEM
491 select SYS_SUPPORTS_LITTLE_ENDIAN
493 config SIBYTE_SENTOSA
494 bool "Sibyte BCM91250E-Sentosa"
495 depends on EXPERIMENTAL
498 select NR_CPUS_DEFAULT_2
501 select SYS_HAS_CPU_SB1
502 select SYS_SUPPORTS_BIG_ENDIAN
503 select SYS_SUPPORTS_LITTLE_ENDIAN
506 bool "Sibyte BCM91480B-BigSur"
509 select NR_CPUS_DEFAULT_4
510 select SIBYTE_BCM1x80
512 select SYS_HAS_CPU_SB1
513 select SYS_SUPPORTS_BIG_ENDIAN
514 select SYS_SUPPORTS_HIGHMEM
515 select SYS_SUPPORTS_LITTLE_ENDIAN
516 select ZONE_DMA32 if 64BIT
519 bool "SNI RM200/300/400"
520 select ARC if CPU_LITTLE_ENDIAN
521 select ARC32 if CPU_LITTLE_ENDIAN
522 select SNIPROM if CPU_BIG_ENDIAN
523 select ARCH_MAY_HAVE_PC_FDC
527 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
528 select DMA_NONCOHERENT
529 select GENERIC_ISA_DMA
536 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
537 select SYS_HAS_CPU_R4X00
538 select SYS_HAS_CPU_R5000
539 select SYS_HAS_CPU_R10000
540 select R5000_CPU_SCACHE
541 select SYS_HAS_EARLY_PRINTK
542 select SYS_SUPPORTS_32BIT_KERNEL
543 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
544 select SYS_SUPPORTS_BIG_ENDIAN
545 select SYS_SUPPORTS_HIGHMEM
546 select SYS_SUPPORTS_LITTLE_ENDIAN
548 The SNI RM200/300/400 are MIPS-based machines manufactured by
549 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
550 Technology and now in turn merged with Fujitsu. Say Y here to
551 support this machine type.
554 bool "Toshiba TX39 series based machines"
557 bool "Toshiba TX49 series based machines"
560 bool "Wind River PPMC board"
565 select DMA_NONCOHERENT
567 select PCI_GT64XXX_PCI0
569 select SYS_HAS_CPU_MIPS32_R1
570 select SYS_HAS_CPU_MIPS32_R2
571 select SYS_HAS_CPU_MIPS64_R1
572 select SYS_HAS_CPU_NEVADA
573 select SYS_HAS_CPU_RM7000
574 select SYS_SUPPORTS_32BIT_KERNEL
575 select SYS_SUPPORTS_64BIT_KERNEL
576 select SYS_SUPPORTS_BIG_ENDIAN
577 select SYS_SUPPORTS_LITTLE_ENDIAN
579 This enables support for the Wind River MIPS32 4KC PPMC evaluation
580 board, which is based on GT64120 bridge chip.
584 source "arch/mips/au1000/Kconfig"
585 source "arch/mips/basler/excite/Kconfig"
586 source "arch/mips/jazz/Kconfig"
587 source "arch/mips/lasat/Kconfig"
588 source "arch/mips/pmc-sierra/Kconfig"
589 source "arch/mips/sgi-ip27/Kconfig"
590 source "arch/mips/sibyte/Kconfig"
591 source "arch/mips/txx9/Kconfig"
592 source "arch/mips/vr41xx/Kconfig"
596 config GENERIC_LOCKBREAK
599 depends on SMP && PREEMPT
601 config RWSEM_GENERIC_SPINLOCK
605 config RWSEM_XCHGADD_ALGORITHM
608 config ARCH_HAS_ILOG2_U32
612 config ARCH_HAS_ILOG2_U64
616 config ARCH_SUPPORTS_OPROFILE
618 default y if !MIPS_MT_SMTC
620 config GENERIC_FIND_NEXT_BIT
624 config GENERIC_HWEIGHT
628 config GENERIC_CALIBRATE_DELAY
632 config GENERIC_CLOCKEVENTS
640 config GENERIC_CMOS_UPDATE
644 config SCHED_NO_NO_OMIT_FRAME_POINTER
648 config GENERIC_HARDIRQS_NO__DO_IRQ
653 # Select some configuration options automatically based on user selections.
658 config ARCH_MAY_HAVE_PC_FDC
708 config DMA_NONCOHERENT
710 select DMA_NEED_PCI_MAP_STATE
712 config DMA_NEED_PCI_MAP_STATE
716 bool "Early printk" if EMBEDDED && DEBUG_KERNEL
717 depends on SYS_HAS_EARLY_PRINTK
720 This option enables special console drivers which allow the kernel
721 to print messages very early in the bootup process.
723 This is useful for kernel debugging when your machine crashes very
724 early before the console code is initialized. For normal operation,
725 it is not recommended because it looks ugly on some machines and
726 doesn't cooperate with an X server. You should normally say N here,
727 unless you want to debug such a crash.
729 config SYS_HAS_EARLY_PRINTK
748 config MIPS_DISABLE_OBSOLETE_IDE
757 config GENERIC_ISA_DMA
759 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
761 config GENERIC_ISA_DMA_SUPPORT_BROKEN
763 select GENERIC_ISA_DMA
769 # Endianess selection. Sufficiently obscure so many users don't know what to
770 # answer,so we try hard to limit the available choices. Also the use of a
771 # choice statement should be more obvious to the user.
774 prompt "Endianess selection"
776 Some MIPS machines can be configured for either little or big endian
777 byte order. These modes require different kernels and a different
778 Linux distribution. In general there is one preferred byteorder for a
779 particular system but some systems are just as commonly used in the
780 one or the other endianness.
782 config CPU_BIG_ENDIAN
784 depends on SYS_SUPPORTS_BIG_ENDIAN
786 config CPU_LITTLE_ENDIAN
788 depends on SYS_SUPPORTS_LITTLE_ENDIAN
793 config SYS_SUPPORTS_APM_EMULATION
796 config SYS_SUPPORTS_BIG_ENDIAN
799 config SYS_SUPPORTS_LITTLE_ENDIAN
826 config MIPS_BOARDS_GEN
829 config PCI_GT64XXX_PCI0
832 config NO_EXCEPT_FILL
845 select DMA_NONCOHERENT
847 select SYS_HAS_CPU_MIPS32_R1
848 select SYS_HAS_EARLY_PRINTK
849 select SYS_SUPPORTS_32BIT_KERNEL
850 select GENERIC_HARDIRQS_NO__DO_IRQ
851 select SYS_SUPPORTS_KGDB
865 config SGI_HAS_DS1286
868 config SGI_HAS_INDYDOG
883 config DEFAULT_SGI_PARTITION
895 config MIPS_L1_CACHE_SHIFT
897 default "4" if MACH_DECSTATION
898 default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM
899 default "4" if PMC_MSP4200_EVAL
902 config HAVE_STD_PC_SERIAL_PORT
906 bool "ARC console support"
907 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
911 depends on MACH_JAZZ || SNI_RM || SGI_IP32
916 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
933 depends on SYS_HAS_CPU_LOONGSON2
934 select CPU_SUPPORTS_32BIT_KERNEL
935 select CPU_SUPPORTS_64BIT_KERNEL
936 select CPU_SUPPORTS_HIGHMEM
938 The Loongson 2E processor implements the MIPS III instruction set
939 with many extensions.
942 bool "MIPS32 Release 1"
943 depends on SYS_HAS_CPU_MIPS32_R1
945 select CPU_HAS_PREFETCH
946 select CPU_SUPPORTS_32BIT_KERNEL
947 select CPU_SUPPORTS_HIGHMEM
949 Choose this option to build a kernel for release 1 or later of the
950 MIPS32 architecture. Most modern embedded systems with a 32-bit
951 MIPS processor are based on a MIPS32 processor. If you know the
952 specific type of processor in your system, choose those that one
953 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
954 Release 2 of the MIPS32 architecture is available since several
955 years so chances are you even have a MIPS32 Release 2 processor
956 in which case you should choose CPU_MIPS32_R2 instead for better
960 bool "MIPS32 Release 2"
961 depends on SYS_HAS_CPU_MIPS32_R2
963 select CPU_HAS_PREFETCH
964 select CPU_SUPPORTS_32BIT_KERNEL
965 select CPU_SUPPORTS_HIGHMEM
967 Choose this option to build a kernel for release 2 or later of the
968 MIPS32 architecture. Most modern embedded systems with a 32-bit
969 MIPS processor are based on a MIPS32 processor. If you know the
970 specific type of processor in your system, choose those that one
971 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
974 bool "MIPS64 Release 1"
975 depends on SYS_HAS_CPU_MIPS64_R1
977 select CPU_HAS_PREFETCH
978 select CPU_SUPPORTS_32BIT_KERNEL
979 select CPU_SUPPORTS_64BIT_KERNEL
980 select CPU_SUPPORTS_HIGHMEM
982 Choose this option to build a kernel for release 1 or later of the
983 MIPS64 architecture. Many modern embedded systems with a 64-bit
984 MIPS processor are based on a MIPS64 processor. If you know the
985 specific type of processor in your system, choose those that one
986 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
987 Release 2 of the MIPS64 architecture is available since several
988 years so chances are you even have a MIPS64 Release 2 processor
989 in which case you should choose CPU_MIPS64_R2 instead for better
993 bool "MIPS64 Release 2"
994 depends on SYS_HAS_CPU_MIPS64_R2
996 select CPU_HAS_PREFETCH
997 select CPU_SUPPORTS_32BIT_KERNEL
998 select CPU_SUPPORTS_64BIT_KERNEL
999 select CPU_SUPPORTS_HIGHMEM
1001 Choose this option to build a kernel for release 2 or later of the
1002 MIPS64 architecture. Many modern embedded systems with a 64-bit
1003 MIPS processor are based on a MIPS64 processor. If you know the
1004 specific type of processor in your system, choose those that one
1005 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1009 depends on SYS_HAS_CPU_R3000
1011 select CPU_SUPPORTS_32BIT_KERNEL
1012 select CPU_SUPPORTS_HIGHMEM
1014 Please make sure to pick the right CPU type. Linux/MIPS is not
1015 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1016 *not* work on R4000 machines and vice versa. However, since most
1017 of the supported machines have an R4000 (or similar) CPU, R4x00
1018 might be a safe bet. If the resulting kernel does not work,
1019 try to recompile with R3000.
1023 depends on SYS_HAS_CPU_TX39XX
1024 select CPU_SUPPORTS_32BIT_KERNEL
1028 depends on SYS_HAS_CPU_VR41XX
1029 select CPU_SUPPORTS_32BIT_KERNEL
1030 select CPU_SUPPORTS_64BIT_KERNEL
1032 The options selects support for the NEC VR4100 series of processors.
1033 Only choose this option if you have one of these processors as a
1034 kernel built with this option will not run on any other type of
1035 processor or vice versa.
1039 depends on SYS_HAS_CPU_R4300
1041 select CPU_SUPPORTS_32BIT_KERNEL
1042 select CPU_SUPPORTS_64BIT_KERNEL
1044 MIPS Technologies R4300-series processors.
1048 depends on SYS_HAS_CPU_R4X00
1050 select CPU_SUPPORTS_32BIT_KERNEL
1051 select CPU_SUPPORTS_64BIT_KERNEL
1053 MIPS Technologies R4000-series processors other than 4300, including
1054 the R4000, R4400, R4600, and 4700.
1058 depends on SYS_HAS_CPU_TX49XX
1060 select CPU_HAS_PREFETCH
1061 select CPU_SUPPORTS_32BIT_KERNEL
1062 select CPU_SUPPORTS_64BIT_KERNEL
1066 depends on SYS_HAS_CPU_R5000
1068 select CPU_SUPPORTS_32BIT_KERNEL
1069 select CPU_SUPPORTS_64BIT_KERNEL
1071 MIPS Technologies R5000-series processors other than the Nevada.
1075 depends on SYS_HAS_CPU_R5432
1077 select CPU_SUPPORTS_32BIT_KERNEL
1078 select CPU_SUPPORTS_64BIT_KERNEL
1082 depends on EXPERIMENTAL
1084 depends on SYS_HAS_CPU_R6000
1085 select CPU_SUPPORTS_32BIT_KERNEL
1087 MIPS Technologies R6000 and R6000A series processors. Note these
1088 processors are extremely rare and the support for them is incomplete.
1092 depends on SYS_HAS_CPU_NEVADA
1094 select CPU_SUPPORTS_32BIT_KERNEL
1095 select CPU_SUPPORTS_64BIT_KERNEL
1097 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1101 depends on EXPERIMENTAL
1102 depends on SYS_HAS_CPU_R8000
1104 select CPU_HAS_PREFETCH
1105 select CPU_SUPPORTS_64BIT_KERNEL
1107 MIPS Technologies R8000 processors. Note these processors are
1108 uncommon and the support for them is incomplete.
1112 depends on SYS_HAS_CPU_R10000
1114 select CPU_HAS_PREFETCH
1115 select CPU_SUPPORTS_32BIT_KERNEL
1116 select CPU_SUPPORTS_64BIT_KERNEL
1117 select CPU_SUPPORTS_HIGHMEM
1119 MIPS Technologies R10000-series processors.
1123 depends on SYS_HAS_CPU_RM7000
1125 select CPU_HAS_PREFETCH
1126 select CPU_SUPPORTS_32BIT_KERNEL
1127 select CPU_SUPPORTS_64BIT_KERNEL
1128 select CPU_SUPPORTS_HIGHMEM
1132 depends on SYS_HAS_CPU_RM9000
1134 select CPU_HAS_PREFETCH
1135 select CPU_SUPPORTS_32BIT_KERNEL
1136 select CPU_SUPPORTS_64BIT_KERNEL
1137 select CPU_SUPPORTS_HIGHMEM
1138 select WEAK_ORDERING
1142 depends on SYS_HAS_CPU_SB1
1144 select CPU_SUPPORTS_32BIT_KERNEL
1145 select CPU_SUPPORTS_64BIT_KERNEL
1146 select CPU_SUPPORTS_HIGHMEM
1147 select WEAK_ORDERING
1151 config SYS_HAS_CPU_LOONGSON2
1154 config SYS_HAS_CPU_MIPS32_R1
1157 config SYS_HAS_CPU_MIPS32_R2
1160 config SYS_HAS_CPU_MIPS64_R1
1163 config SYS_HAS_CPU_MIPS64_R2
1166 config SYS_HAS_CPU_R3000
1169 config SYS_HAS_CPU_TX39XX
1172 config SYS_HAS_CPU_VR41XX
1175 config SYS_HAS_CPU_R4300
1178 config SYS_HAS_CPU_R4X00
1181 config SYS_HAS_CPU_TX49XX
1184 config SYS_HAS_CPU_R5000
1187 config SYS_HAS_CPU_R5432
1190 config SYS_HAS_CPU_R6000
1193 config SYS_HAS_CPU_NEVADA
1196 config SYS_HAS_CPU_R8000
1199 config SYS_HAS_CPU_R10000
1202 config SYS_HAS_CPU_RM7000
1205 config SYS_HAS_CPU_RM9000
1208 config SYS_HAS_CPU_SB1
1212 # CPU may reorder R->R, R->W, W->R, W->W
1213 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1215 config WEAK_ORDERING
1219 # CPU may reorder reads and writes beyond LL/SC
1220 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1222 config WEAK_REORDERING_BEYOND_LLSC
1227 # These two indicate any level of the MIPS32 and MIPS64 architecture
1231 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1235 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1238 # These two indicate the revision of the architecture, either Release 1 or Release 2
1242 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1246 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
1248 config SYS_SUPPORTS_32BIT_KERNEL
1250 config SYS_SUPPORTS_64BIT_KERNEL
1252 config CPU_SUPPORTS_32BIT_KERNEL
1254 config CPU_SUPPORTS_64BIT_KERNEL
1261 prompt "Kernel code model"
1263 You should only select this option if you have a workload that
1264 actually benefits from 64-bit processing or if your machine has
1265 large memory. You will only be presented a single option in this
1266 menu if your system does not support both 32-bit and 64-bit kernels.
1269 bool "32-bit kernel"
1270 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1273 Select this option if you want to build a 32-bit kernel.
1275 bool "64-bit kernel"
1276 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1278 Select this option if you want to build a 64-bit kernel.
1283 prompt "Kernel page size"
1284 default PAGE_SIZE_4KB
1286 config PAGE_SIZE_4KB
1289 This option select the standard 4kB Linux page size. On some
1290 R3000-family processors this is the only available page size. Using
1291 4kB page size will minimize memory consumption and is therefore
1292 recommended for low memory systems.
1294 config PAGE_SIZE_8KB
1296 depends on EXPERIMENTAL && CPU_R8000
1298 Using 8kB page size will result in higher performance kernel at
1299 the price of higher memory consumption. This option is available
1300 only on the R8000 processor. Not that at the time of this writing
1301 this option is still high experimental; there are also issues with
1302 compatibility of user applications.
1304 config PAGE_SIZE_16KB
1306 depends on !CPU_R3000 && !CPU_TX39XX
1308 Using 16kB page size will result in higher performance kernel at
1309 the price of higher memory consumption. This option is available on
1310 all non-R3000 family processors. Note that you will need a suitable
1311 Linux distribution to support this.
1313 config PAGE_SIZE_64KB
1315 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1317 Using 64kB page size will result in higher performance kernel at
1318 the price of higher memory consumption. This option is available on
1319 all non-R3000 family processor. Not that at the time of this
1320 writing this option is still high experimental.
1327 config IP22_CPU_SCACHE
1332 # Support for a MIPS32 / MIPS64 style S-caches
1334 config MIPS_CPU_SCACHE
1338 config R5000_CPU_SCACHE
1342 config RM7000_CPU_SCACHE
1346 config SIBYTE_DMA_PAGEOPS
1347 bool "Use DMA to clear/copy pages"
1350 Instead of using the CPU to zero and copy pages, use a Data Mover
1351 channel. These DMA channels are otherwise unused by the standard
1352 SiByte Linux port. Seems to give a small performance benefit.
1354 config CPU_HAS_PREFETCH
1358 prompt "MIPS MT options"
1360 config MIPS_MT_DISABLED
1361 bool "Disable multithreading support."
1363 Use this option if your workload can't take advantage of
1364 MIPS hardware multithreading support. On systems that don't have
1365 the option of an MT-enabled processor this option will be the only
1366 option in this menu.
1369 bool "Use 1 TC on each available VPE for SMP"
1370 depends on SYS_SUPPORTS_MULTITHREADING
1371 select CPU_MIPSR2_IRQ_VI
1372 select CPU_MIPSR2_IRQ_EI
1374 select NR_CPUS_DEFAULT_2
1376 select SYS_SUPPORTS_SCHED_SMT if SMP
1377 select SYS_SUPPORTS_SMP
1380 This is a kernel model which is also known a VSMP or lately
1381 has been marketesed into SMVP.
1384 bool "SMTC: Use all TCs on all VPEs for SMP"
1385 depends on CPU_MIPS32_R2
1386 #depends on CPU_MIPS64_R2 # once there is hardware ...
1387 depends on SYS_SUPPORTS_MULTITHREADING
1388 select GENERIC_CLOCKEVENTS_BROADCAST
1389 select CPU_MIPSR2_IRQ_VI
1390 select CPU_MIPSR2_IRQ_EI
1392 select NR_CPUS_DEFAULT_8
1394 select SYS_SUPPORTS_SMP
1397 This is a kernel model which is known a SMTC or lately has been
1398 marketesed into SMVP.
1406 bool "SMT (multithreading) scheduler support"
1407 depends on SYS_SUPPORTS_SCHED_SMT
1410 SMT scheduler support improves the CPU scheduler's decision making
1411 when dealing with MIPS MT enabled cores at a cost of slightly
1412 increased overhead in some places. If unsure say N here.
1414 config SYS_SUPPORTS_SCHED_SMT
1418 config SYS_SUPPORTS_MULTITHREADING
1421 config MIPS_MT_FPAFF
1422 bool "Dynamic FPU affinity for FP-intensive threads"
1424 depends on MIPS_MT_SMP || MIPS_MT_SMTC
1426 config MIPS_VPE_LOADER
1427 bool "VPE loader support."
1428 depends on SYS_SUPPORTS_MULTITHREADING
1429 select CPU_MIPSR2_IRQ_VI
1430 select CPU_MIPSR2_IRQ_EI
1433 Includes a loader for loading an elf relocatable object
1434 onto another VPE and running it.
1436 config MIPS_MT_SMTC_INSTANT_REPLAY
1437 bool "Low-latency Dispatch of Deferred SMTC IPIs"
1438 depends on MIPS_MT_SMTC && !PREEMPT
1441 SMTC pseudo-interrupts between TCs are deferred and queued
1442 if the target TC is interrupt-inhibited (IXMT). In the first
1443 SMTC prototypes, these queued IPIs were serviced on return
1444 to user mode, or on entry into the kernel idle loop. The
1445 INSTANT_REPLAY option dispatches them as part of local_irq_restore()
1446 processing, which adds runtime overhead (hence the option to turn
1447 it off), but ensures that IPIs are handled promptly even under
1448 heavy I/O interrupt load.
1450 config MIPS_MT_SMTC_IM_BACKSTOP
1451 bool "Use per-TC register bits as backstop for inhibited IM bits"
1452 depends on MIPS_MT_SMTC
1455 To support multiple TC microthreads acting as "CPUs" within
1456 a VPE, VPE-wide interrupt mask bits must be specially manipulated
1457 during interrupt handling. To support legacy drivers and interrupt
1458 controller management code, SMTC has a "backstop" to track and
1459 if necessary restore the interrupt mask. This has some performance
1460 impact on interrupt service overhead. Disable it only if you know
1463 config MIPS_MT_SMTC_IRQAFF
1464 bool "Support IRQ affinity API"
1465 depends on MIPS_MT_SMTC
1468 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
1469 for SMTC Linux kernel. Requires platform support, of which
1470 an example can be found in the MIPS kernel i8259 and Malta
1471 platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY
1472 be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to
1473 interrupt dispatch, and should be used only if you know what
1476 config MIPS_VPE_LOADER_TOM
1477 bool "Load VPE program into memory hidden from linux"
1478 depends on MIPS_VPE_LOADER
1481 The loader can use memory that is present but has been hidden from
1482 Linux using the kernel command line option "mem=xxMB". It's up to
1483 you to ensure the amount you put in the option and the space your
1484 program requires is less or equal to the amount physically present.
1486 # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1487 config MIPS_VPE_APSP_API
1488 bool "Enable support for AP/SP API (RTLX)"
1489 depends on MIPS_VPE_LOADER
1492 config MIPS_APSP_KSPD
1494 depends on MIPS_VPE_APSP_API
1497 KSPD is a kernel daemon that accepts syscall requests from the SP
1498 side, actions them and returns the results. It also handles the
1499 "exit" syscall notifying other kernel modules the SP program is
1500 exiting. You probably want to say yes here.
1502 config SB1_PASS_1_WORKAROUNDS
1504 depends on CPU_SB1_PASS_1
1507 config SB1_PASS_2_WORKAROUNDS
1509 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1512 config SB1_PASS_2_1_WORKAROUNDS
1514 depends on CPU_SB1 && CPU_SB1_PASS_2
1517 config 64BIT_PHYS_ADDR
1523 config CPU_HAS_SMARTMIPS
1524 depends on SYS_SUPPORTS_SMARTMIPS
1525 bool "Support for the SmartMIPS ASE"
1527 SmartMIPS is a extension of the MIPS32 architecture aimed at
1528 increased security at both hardware and software level for
1529 smartcards. Enabling this option will allow proper use of the
1530 SmartMIPS instructions by Linux applications. However a kernel with
1531 this option will not work on a MIPS core without SmartMIPS core. If
1532 you don't know you probably don't have SmartMIPS and should say N
1539 # Vectored interrupt mode is an R2 feature
1541 config CPU_MIPSR2_IRQ_VI
1545 # Extended interrupt mode is an R2 feature
1547 config CPU_MIPSR2_IRQ_EI
1552 depends on !CPU_R3000
1555 config GENERIC_CLOCKEVENTS_BROADCAST
1561 config CPU_DADDI_WORKAROUNDS
1564 config CPU_R4000_WORKAROUNDS
1566 select CPU_R4400_WORKAROUNDS
1568 config CPU_R4400_WORKAROUNDS
1572 # Use the generic interrupt handling code in kernel/irq/:
1574 config GENERIC_HARDIRQS
1578 config GENERIC_IRQ_PROBE
1586 # - Highmem only makes sense for the 32-bit kernel.
1587 # - The current highmem code will only work properly on physically indexed
1588 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1589 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1590 # moment we protect the user and offer the highmem option only on machines
1591 # where it's known to be safe. This will not offer highmem on a few systems
1592 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1593 # indexed CPUs but we're playing safe.
1594 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
1595 # know they might have memory configurations that could make use of highmem
1599 bool "High Memory Support"
1600 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
1602 config CPU_SUPPORTS_HIGHMEM
1605 config SYS_SUPPORTS_HIGHMEM
1608 config SYS_SUPPORTS_SMARTMIPS
1611 config ARCH_FLATMEM_ENABLE
1615 config ARCH_DISCONTIGMEM_ENABLE
1617 default y if SGI_IP27
1619 Say Y to support efficient handling of discontiguous physical memory,
1620 for architectures which are either NUMA (Non-Uniform Memory Access)
1621 or have huge holes in the physical address space for other reasons.
1622 See <file:Documentation/vm/numa> for more.
1624 config ARCH_POPULATES_NODE_MAP
1627 config ARCH_SPARSEMEM_ENABLE
1629 select SPARSEMEM_STATIC
1633 depends on SYS_SUPPORTS_NUMA
1635 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
1636 Access). This option improves performance on systems with more
1637 than two nodes; on two node systems it is generally better to
1638 leave it disabled; on single node systems disable this option
1641 config SYS_SUPPORTS_NUMA
1647 depends on NEED_MULTIPLE_NODES
1652 bool "Multi-Processing support"
1653 depends on SYS_SUPPORTS_SMP
1656 This enables support for systems with more than one CPU. If you have
1657 a system with only one CPU, like most personal computers, say N. If
1658 you have a system with more than one CPU, say Y.
1660 If you say N here, the kernel will run on single and multiprocessor
1661 machines, but will use only one CPU of a multiprocessor machine. If
1662 you say Y here, the kernel will run on many, but not all,
1663 singleprocessor machines. On a singleprocessor machine, the kernel
1664 will run faster if you say N here.
1666 People using multiprocessor machines who say Y here should also say
1667 Y to "Enhanced Real Time Clock Support", below.
1669 See also the SMP-HOWTO available at
1670 <http://www.tldp.org/docs.html#howto>.
1672 If you don't know what to do here, say N.
1677 config SYS_SUPPORTS_SMP
1680 config NR_CPUS_DEFAULT_1
1683 config NR_CPUS_DEFAULT_2
1686 config NR_CPUS_DEFAULT_4
1689 config NR_CPUS_DEFAULT_8
1692 config NR_CPUS_DEFAULT_16
1695 config NR_CPUS_DEFAULT_32
1698 config NR_CPUS_DEFAULT_64
1702 int "Maximum number of CPUs (2-64)"
1703 range 1 64 if NR_CPUS_DEFAULT_1
1705 default "1" if NR_CPUS_DEFAULT_1
1706 default "2" if NR_CPUS_DEFAULT_2
1707 default "4" if NR_CPUS_DEFAULT_4
1708 default "8" if NR_CPUS_DEFAULT_8
1709 default "16" if NR_CPUS_DEFAULT_16
1710 default "32" if NR_CPUS_DEFAULT_32
1711 default "64" if NR_CPUS_DEFAULT_64
1713 This allows you to specify the maximum number of CPUs which this
1714 kernel will support. The maximum supported value is 32 for 32-bit
1715 kernel and 64 for 64-bit kernels; the minimum value which makes
1716 sense is 1 for Qemu (useful only for kernel debugging purposes)
1717 and 2 for all others.
1719 This is purely to save memory - each supported CPU adds
1720 approximately eight kilobytes to the kernel image. For best
1721 performance should round up your number of processors to the next
1725 bool "MIPS CMP framework support"
1728 select SYS_SUPPORTS_SCHED_SMT
1729 select WEAK_ORDERING
1732 This is a placeholder option for the GCMP work. It will need to
1733 be handled differently...
1735 source "kernel/time/Kconfig"
1738 # Timer Interrupt Frequency Configuration
1742 prompt "Timer frequency"
1745 Allows the configuration of the timer frequency.
1748 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
1751 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
1754 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
1757 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
1760 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
1763 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
1766 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
1770 config SYS_SUPPORTS_48HZ
1773 config SYS_SUPPORTS_100HZ
1776 config SYS_SUPPORTS_128HZ
1779 config SYS_SUPPORTS_250HZ
1782 config SYS_SUPPORTS_256HZ
1785 config SYS_SUPPORTS_1000HZ
1788 config SYS_SUPPORTS_1024HZ
1791 config SYS_SUPPORTS_ARBIT_HZ
1793 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
1794 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
1795 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
1796 !SYS_SUPPORTS_1024HZ
1801 default 100 if HZ_100
1802 default 128 if HZ_128
1803 default 250 if HZ_250
1804 default 256 if HZ_256
1805 default 1000 if HZ_1000
1806 default 1024 if HZ_1024
1808 source "kernel/Kconfig.preempt"
1810 config MIPS_INSANE_LARGE
1811 bool "Support for large 64-bit configurations"
1812 depends on CPU_R10000 && 64BIT
1814 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1815 previous 64-bit processors which only supported 40 bit / 1TB. If you
1816 need processes of more than 1TB virtual address space, say Y here.
1817 This will result in additional memory usage, so it is not
1818 recommended for normal users.
1821 bool "Kexec system call (EXPERIMENTAL)"
1822 depends on EXPERIMENTAL
1824 kexec is a system call that implements the ability to shutdown your
1825 current kernel, and to start another kernel. It is like a reboot
1826 but it is independent of the system firmware. And like a reboot
1827 you can start any kernel with it, not just Linux.
1829 The name comes from the similarity to the exec system call.
1831 It is an ongoing process to be certain the hardware in a machine
1832 is properly shutdown, so do not be surprised if this code does not
1833 initially work for you. It may help to enable device hotplugging
1834 support. As of this writing the exact hardware interface is
1835 strongly in flux, so no good recommendation can be made.
1838 bool "Enable seccomp to safely compute untrusted bytecode"
1842 This kernel feature is useful for number crunching applications
1843 that may need to compute untrusted bytecode during their
1844 execution. By using pipes or other transports made available to
1845 the process as file descriptors supporting the read/write
1846 syscalls, it's possible to isolate those applications in
1847 their own address space using seccomp. Once seccomp is
1848 enabled via /proc/<pid>/seccomp, it cannot be disabled
1849 and the task is only allowed to execute a few safe syscalls
1850 defined by each seccomp mode.
1852 If unsure, say Y. Only embedded should say N here.
1856 config RWSEM_GENERIC_SPINLOCK
1860 config LOCKDEP_SUPPORT
1864 config STACKTRACE_SUPPORT
1868 source "init/Kconfig"
1870 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1878 bool "Support for PCI controller"
1879 depends on HW_HAS_PCI
1882 Find out whether you have a PCI motherboard. PCI is the name of a
1883 bus system, i.e. the way the CPU talks to the other stuff inside
1884 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1890 source "drivers/pci/Kconfig"
1893 # ISA support is now enabled via select. Too many systems still have the one
1894 # or other ISA chip on the board that users don't know about so don't expect
1895 # users to choose the right thing ...
1902 depends on HW_HAS_EISA
1904 select GENERIC_ISA_DMA
1906 The Extended Industry Standard Architecture (EISA) bus was
1907 developed as an open alternative to the IBM MicroChannel bus.
1909 The EISA bus provided some of the features of the IBM MicroChannel
1910 bus while maintaining backward compatibility with cards made for
1911 the older ISA bus. The EISA bus saw limited use between 1988 and
1912 1995 when it was made obsolete by the PCI bus.
1914 Say Y here if you are building a kernel for an EISA-based machine.
1918 source "drivers/eisa/Kconfig"
1921 bool "TURBOchannel support"
1922 depends on MACH_DECSTATION
1924 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1925 processors. Documentation on writing device drivers for TurboChannel
1927 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1930 # bool "Access.Bus support"
1943 source "drivers/pcmcia/Kconfig"
1945 source "drivers/pci/hotplug/Kconfig"
1949 menu "Executable file formats"
1951 source "fs/Kconfig.binfmt"
1956 config MIPS32_COMPAT
1957 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1960 Select this option if you want Linux/MIPS 32-bit binary
1961 compatibility. Since all software available for Linux/MIPS is
1962 currently 32-bit you should say Y here.
1966 depends on MIPS32_COMPAT
1969 config SYSVIPC_COMPAT
1971 depends on COMPAT && SYSVIPC
1975 bool "Kernel support for o32 binaries"
1976 depends on MIPS32_COMPAT
1978 Select this option if you want to run o32 binaries. These are pure
1979 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1980 existing binaries are in this format.
1985 bool "Kernel support for n32 binaries"
1986 depends on MIPS32_COMPAT
1988 Select this option if you want to run n32 binaries. These are
1989 64-bit binaries using 32-bit quantities for addressing and certain
1990 data that would normally be 64-bit. They are used in special
1997 default y if MIPS32_O32 || MIPS32_N32
2001 menu "Power management options"
2003 config ARCH_SUSPEND_POSSIBLE
2007 source "kernel/power/Kconfig"
2011 source "net/Kconfig"
2013 source "drivers/Kconfig"
2017 source "arch/mips/Kconfig.debug"
2019 source "security/Kconfig"
2021 source "crypto/Kconfig"
2023 source "lib/Kconfig"