4 # Horrible source of confusion. Die, die, die ...
7 mainmenu "Linux/MIPS Kernel Configuration"
11 menu "Machine selection"
18 bool "Support for 4G Systems MTX-1 board"
19 select DMA_NONCOHERENT
22 select SYS_SUPPORTS_LITTLE_ENDIAN
25 bool "AMD Alchemy Bosporus board"
27 select DMA_NONCOHERENT
28 select SYS_SUPPORTS_LITTLE_ENDIAN
31 bool "AMD Alchemy PB1000 board"
33 select DMA_NONCOHERENT
36 select SYS_SUPPORTS_LITTLE_ENDIAN
39 bool "AMD Alchemy PB1100 board"
41 select DMA_NONCOHERENT
44 select SYS_SUPPORTS_LITTLE_ENDIAN
47 bool "AMD Alchemy PB1500 board"
49 select DMA_NONCOHERENT
51 select SYS_SUPPORTS_LITTLE_ENDIAN
54 bool "AMD Alchemy PB1550 board"
56 select DMA_NONCOHERENT
58 select MIPS_DISABLE_OBSOLETE_IDE
59 select SYS_SUPPORTS_LITTLE_ENDIAN
62 bool "AMD Alchemy PB1200 board"
64 select DMA_NONCOHERENT
65 select MIPS_DISABLE_OBSOLETE_IDE
66 select SYS_SUPPORTS_LITTLE_ENDIAN
69 bool "AMD Alchemy DB1000 board"
71 select DMA_NONCOHERENT
73 select SYS_SUPPORTS_LITTLE_ENDIAN
76 bool "AMD Alchemy DB1100 board"
78 select DMA_NONCOHERENT
79 select SYS_SUPPORTS_LITTLE_ENDIAN
82 bool "AMD Alchemy DB1500 board"
84 select DMA_NONCOHERENT
86 select MIPS_DISABLE_OBSOLETE_IDE
87 select SYS_SUPPORTS_BIG_ENDIAN
88 select SYS_SUPPORTS_LITTLE_ENDIAN
91 bool "AMD Alchemy DB1550 board"
94 select DMA_NONCOHERENT
95 select MIPS_DISABLE_OBSOLETE_IDE
96 select SYS_SUPPORTS_LITTLE_ENDIAN
99 bool "AMD Alchemy DB1200 board"
102 select MIPS_DISABLE_OBSOLETE_IDE
103 select SYS_SUPPORTS_LITTLE_ENDIAN
106 bool "AMD Alchemy Mirage board"
107 select DMA_NONCOHERENT
109 select SYS_SUPPORTS_LITTLE_ENDIAN
112 bool "Support for Cobalt Server"
113 select DMA_NONCOHERENT
118 select SYS_SUPPORTS_32BIT_KERNEL
119 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
120 select SYS_SUPPORTS_LITTLE_ENDIAN
122 config MACH_DECSTATION
123 bool "Support for DECstations"
125 select DMA_NONCOHERENT
128 select SYS_SUPPORTS_32BIT_KERNEL
129 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
130 select SYS_SUPPORTS_LITTLE_ENDIAN
132 This enables support for DEC's MIPS based workstations. For details
133 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
134 DECstation porting pages on <http://decstation.unix-ag.org/>.
136 If you have one of the following DECstation Models you definitely
137 want to choose R4xx0 for the CPU Type:
144 otherwise choose R3000.
147 bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
148 depends on EXPERIMENTAL
149 select DMA_NONCOHERENT
152 select SYS_SUPPORTS_32BIT_KERNEL
153 select SYS_SUPPORTS_64BIT_KERNEL
154 select SYS_SUPPORTS_BIG_ENDIAN
156 This is an evaluation board based on the Galileo GT-64120
157 single-chip system controller that contains a MIPS R5000 compatible
158 core running at 75/100MHz. Their website is located at
159 <http://www.marvell.com/>. Say Y here if you wish to build a
160 kernel for this platform.
163 bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
164 depends on EXPERIMENTAL
165 select DMA_NONCOHERENT
169 select RM7000_CPU_SCACHE
171 select SYS_SUPPORTS_32BIT_KERNEL
172 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
173 select SYS_SUPPORTS_BIG_ENDIAN
175 This is an evaluation board based on the Galileo GT-96100 LAN/WAN
176 communications controllers containing a MIPS R5000 compatible core
177 running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
178 here if you wish to build a kernel for this platform.
181 bool "Support for Globespan IVR board"
182 select DMA_NONCOHERENT
185 select SYS_SUPPORTS_32BIT_KERNEL
186 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
187 select SYS_SUPPORTS_LITTLE_ENDIAN
189 This is an evaluation board built by Globespan to showcase thir
190 iVR (Internet Video Recorder) design. It utilizes a QED RM5231
191 R5000 MIPS core. More information can be found out their website
192 located at <http://www.globespan.net/>. Say Y here if you wish to
193 build a kernel for this platform.
196 bool "Support for ITE 8172G board"
197 select DMA_NONCOHERENT
200 select SYS_SUPPORTS_32BIT_KERNEL
201 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
202 select SYS_SUPPORTS_LITTLE_ENDIAN
204 Ths is an evaluation board made by ITE <http://www.ite.com.tw/>
205 with ATX form factor that utilizes a MIPS R5000 to work with its
206 ITE8172G companion internet appliance chip. The MIPS core can be
207 either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build
208 a kernel for this platform.
211 bool "Support for the Jazz family of machines"
214 select ARCH_MAY_HAVE_PC_FDC
215 select GENERIC_ISA_DMA
218 select SYS_SUPPORTS_32BIT_KERNEL
219 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
221 This a family of machines based on the MIPS R4030 chipset which was
222 used by several vendors to build RISC/os and Windows NT workstations.
223 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
224 Olivetti M700-10 workstations.
227 bool "Support for LASAT Networks platforms"
228 select DMA_NONCOHERENT
232 select R5000_CPU_SCACHE
233 select SYS_SUPPORTS_32BIT_KERNEL
234 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
235 select SYS_SUPPORTS_LITTLE_ENDIAN
238 bool "Support for MIPS Atlas board"
240 select DMA_NONCOHERENT
243 select MIPS_BOARDS_GEN
247 select RM7000_CPU_SCACHE
249 select SYS_SUPPORTS_32BIT_KERNEL
250 select SYS_SUPPORTS_64BIT_KERNEL
251 select SYS_SUPPORTS_BIG_ENDIAN
252 select SYS_SUPPORTS_LITTLE_ENDIAN
254 This enables support for the MIPS Technologies Atlas evaluation
258 bool "Support for MIPS Malta board"
259 select ARCH_MAY_HAVE_PC_FDC
261 select HAVE_STD_PC_SERIAL_PORT
262 select DMA_NONCOHERENT
264 select GENERIC_ISA_DMA
267 select MIPS_BOARDS_GEN
272 select SYS_SUPPORTS_32BIT_KERNEL
273 select SYS_SUPPORTS_64BIT_KERNEL
274 select SYS_SUPPORTS_BIG_ENDIAN
275 select SYS_SUPPORTS_LITTLE_ENDIAN
277 This enables support for the MIPS Technologies Malta evaluation
281 bool "Support for MIPS SEAD board (EXPERIMENTAL)"
282 depends on EXPERIMENTAL
284 select DMA_NONCOHERENT
285 select MIPS_BOARDS_GEN
286 select SYS_SUPPORTS_32BIT_KERNEL
287 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
288 select SYS_SUPPORTS_BIG_ENDIAN
289 select SYS_SUPPORTS_LITTLE_ENDIAN
291 This enables support for the MIPS Technologies SEAD evaluation
295 bool 'Support for MIPS simulator (MIPSsim)'
296 select DMA_NONCOHERENT
298 select SYS_SUPPORTS_32BIT_KERNEL
299 select SYS_SUPPORTS_BIG_ENDIAN
300 select SYS_SUPPORTS_LITTLE_ENDIAN
302 This option enables support for MIPS Technologies MIPSsim software
305 config MOMENCO_JAGUAR_ATX
306 bool "Support for Momentum Jaguar board"
308 select DMA_NONCOHERENT
315 select RM7000_CPU_SCACHE
317 select SYS_SUPPORTS_32BIT_KERNEL
318 select SYS_SUPPORTS_64BIT_KERNEL
319 select SYS_SUPPORTS_BIG_ENDIAN
321 The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
322 Momentum Computer <http://www.momenco.com/>.
324 config MOMENCO_OCELOT
325 bool "Support for Momentum Ocelot board"
326 select DMA_NONCOHERENT
331 select RM7000_CPU_SCACHE
333 select SYS_SUPPORTS_32BIT_KERNEL
334 select SYS_SUPPORTS_64BIT_KERNEL
335 select SYS_SUPPORTS_BIG_ENDIAN
337 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
338 Momentum Computer <http://www.momenco.com/>.
340 config MOMENCO_OCELOT_3
341 bool "Support for Momentum Ocelot-3 board"
343 select DMA_NONCOHERENT
349 select RM7000_CPU_SCACHE
351 select SYS_SUPPORTS_32BIT_KERNEL
352 select SYS_SUPPORTS_64BIT_KERNEL
353 select SYS_SUPPORTS_BIG_ENDIAN
355 The Ocelot-3 is based off Discovery III System Controller and
356 PMC-Sierra Rm79000 core.
358 config MOMENCO_OCELOT_C
359 bool "Support for Momentum Ocelot-C board"
360 select DMA_NONCOHERENT
365 select RM7000_CPU_SCACHE
367 select SYS_SUPPORTS_32BIT_KERNEL
368 select SYS_SUPPORTS_64BIT_KERNEL
369 select SYS_SUPPORTS_BIG_ENDIAN
371 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
372 Momentum Computer <http://www.momenco.com/>.
374 config MOMENCO_OCELOT_G
375 bool "Support for Momentum Ocelot-G board"
376 select DMA_NONCOHERENT
381 select RM7000_CPU_SCACHE
383 select SYS_SUPPORTS_32BIT_KERNEL
384 select SYS_SUPPORTS_64BIT_KERNEL
385 select SYS_SUPPORTS_BIG_ENDIAN
387 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
388 Momentum Computer <http://www.momenco.com/>.
391 bool "Support for MyCable XXS1500 board"
392 select DMA_NONCOHERENT
394 select SYS_SUPPORTS_LITTLE_ENDIAN
397 bool "Support for Philips PNX8550 based Viper2-PCI board"
399 select SYS_SUPPORTS_LITTLE_ENDIAN
402 bool "Support for Philips PNX8550 based JBS board"
404 select SYS_SUPPORTS_LITTLE_ENDIAN
407 bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
408 depends on EXPERIMENTAL
409 select DDB5XXX_COMMON
410 select DMA_NONCOHERENT
411 select HAVE_STD_PC_SERIAL_PORT
416 select SYS_SUPPORTS_32BIT_KERNEL
417 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
418 select SYS_SUPPORTS_LITTLE_ENDIAN
420 This enables support for the VR5000-based NEC DDB Vrc-5074
424 bool "Support for NEC DDB Vrc-5476"
425 select DDB5XXX_COMMON
426 select DMA_NONCOHERENT
427 select HAVE_STD_PC_SERIAL_PORT
432 select SYS_SUPPORTS_32BIT_KERNEL
433 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
434 select SYS_SUPPORTS_LITTLE_ENDIAN
436 This enables support for the R5432-based NEC DDB Vrc-5476
439 Features : kernel debugging, serial terminal, NFS root fs, on-board
440 ether port USB, AC97, PCI, PCI VGA card & framebuffer console,
441 IDE controller, PS2 keyboard, PS2 mouse, etc.
444 bool "Support for NEC DDB Vrc-5477"
445 select DDB5XXX_COMMON
446 select DMA_NONCOHERENT
450 select SYS_SUPPORTS_32BIT_KERNEL
451 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
452 select SYS_SUPPORTS_LITTLE_ENDIAN
454 This enables support for the R5432-based NEC DDB Vrc-5477,
455 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
457 Features : kernel debugging, serial terminal, NFS root fs, on-board
458 ether port USB, AC97, PCI, etc.
461 bool "Support for NEC VR4100 series based machines"
462 select SYS_SUPPORTS_32BIT_KERNEL
463 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
466 bool "Support for PMC-Sierra Yosemite eval board"
473 select SYS_SUPPORTS_32BIT_KERNEL
474 select SYS_SUPPORTS_64BIT_KERNEL
475 select SYS_SUPPORTS_BIG_ENDIAN
476 select SYS_SUPPORTS_HIGHMEM
478 Yosemite is an evaluation board for the RM9000x2 processor
479 manufactured by PMC-Sierra.
482 bool "Support for Qemu"
484 select GENERIC_ISA_DMA
485 select HAVE_STD_PC_SERIAL_PORT
489 select SYS_SUPPORTS_32BIT_KERNEL
490 select SYS_SUPPORTS_BIG_ENDIAN
492 Qemu is a software emulator which among other architectures also
493 can simulate a MIPS32 4Kc system. This patch adds support for the
494 system architecture that currently is being simulated by Qemu. It
495 will eventually be removed again when Qemu has the capability to
496 simulate actual MIPS hardware platforms. More information on Qemu
497 can be found at http://www.linux-mips.org/wiki/Qemu.
500 bool "Support for SGI IP22 (Indy/Indigo2)"
504 select DMA_NONCOHERENT
506 select IP22_CPU_SCACHE
509 select SYS_SUPPORTS_32BIT_KERNEL
510 select SYS_SUPPORTS_64BIT_KERNEL
511 select SYS_SUPPORTS_BIG_ENDIAN
513 This are the SGI Indy, Challenge S and Indigo2, as well as certain
514 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
515 that runs on these, say Y here.
518 bool "Support for SGI IP27 (Origin200/2000)"
525 select SYS_SUPPORTS_64BIT_KERNEL
526 select SYS_SUPPORTS_BIG_ENDIAN
528 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
529 workstations. To compile a Linux kernel that runs on these, say Y
533 bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
534 depends on EXPERIMENTAL
540 select DMA_NONCOHERENT
542 select R5000_CPU_SCACHE
543 select RM7000_CPU_SCACHE
544 select SYS_SUPPORTS_64BIT_KERNEL
545 select SYS_SUPPORTS_BIG_ENDIAN
547 If you want this kernel to run on SGI O2 workstation, say Y here.
550 bool "Support for Sibyte BigSur"
553 select SIBYTE_BCM1x80
555 select SYS_SUPPORTS_BIG_ENDIAN
556 select SYS_SUPPORTS_LITTLE_ENDIAN
560 bool "Support for Sibyte BCM91250A-SWARM"
565 select SYS_SUPPORTS_BIG_ENDIAN
566 select SYS_SUPPORTS_HIGHMEM
567 select SYS_SUPPORTS_LITTLE_ENDIAN
569 config SIBYTE_SENTOSA
570 bool "Support for Sibyte BCM91250E-Sentosa"
571 depends on EXPERIMENTAL
576 select SYS_SUPPORTS_BIG_ENDIAN
577 select SYS_SUPPORTS_LITTLE_ENDIAN
580 bool "Support for Sibyte BCM91125E-Rhone"
581 depends on EXPERIMENTAL
584 select SIBYTE_BCM1125H
586 select SYS_SUPPORTS_BIG_ENDIAN
587 select SYS_SUPPORTS_LITTLE_ENDIAN
590 bool "Support for Sibyte BCM91120x-Carmel"
591 depends on EXPERIMENTAL
594 select SIBYTE_BCM1120
596 select SYS_SUPPORTS_BIG_ENDIAN
597 select SYS_SUPPORTS_LITTLE_ENDIAN
599 config SIBYTE_PTSWARM
600 bool "Support for Sibyte BCM91250PT-PTSWARM"
601 depends on EXPERIMENTAL
606 select SYS_SUPPORTS_BIG_ENDIAN
607 select SYS_SUPPORTS_HIGHMEM
608 select SYS_SUPPORTS_LITTLE_ENDIAN
610 config SIBYTE_LITTLESUR
611 bool "Support for Sibyte BCM91250C2-LittleSur"
612 depends on EXPERIMENTAL
617 select SYS_SUPPORTS_BIG_ENDIAN
618 select SYS_SUPPORTS_HIGHMEM
619 select SYS_SUPPORTS_LITTLE_ENDIAN
622 bool "Support for Sibyte BCM91120C-CRhine"
623 depends on EXPERIMENTAL
626 select SIBYTE_BCM1120
628 select SYS_SUPPORTS_BIG_ENDIAN
629 select SYS_SUPPORTS_LITTLE_ENDIAN
632 bool "Support for Sibyte BCM91125C-CRhone"
633 depends on EXPERIMENTAL
636 select SIBYTE_BCM1125
638 select SYS_SUPPORTS_BIG_ENDIAN
639 select SYS_SUPPORTS_HIGHMEM
640 select SYS_SUPPORTS_LITTLE_ENDIAN
643 bool "Support for SNI RM200 PCI"
646 select ARCH_MAY_HAVE_PC_FDC
648 select DMA_NONCOHERENT
649 select GENERIC_ISA_DMA
650 select HAVE_STD_PC_SERIAL_PORT
655 select SYS_SUPPORTS_32BIT_KERNEL
656 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
657 select SYS_SUPPORTS_BIG_ENDIAN if EXPERIMENTAL
658 select SYS_SUPPORTS_HIGHMEM
659 select SYS_SUPPORTS_LITTLE_ENDIAN
661 The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
662 Nixdorf Informationssysteme (SNI), parent company of Pyramid
663 Technology and now in turn merged with Fujitsu. Say Y here to
664 support this machine type.
666 config TOSHIBA_JMR3927
667 bool "Support for Toshiba JMR-TX3927 board"
668 select DMA_NONCOHERENT
672 select SYS_SUPPORTS_32BIT_KERNEL
673 select SYS_SUPPORTS_BIG_ENDIAN
674 select TOSHIBA_BOARDS
676 config TOSHIBA_RBTX4927
677 bool "Support for Toshiba TBTX49[23]7 board"
678 select DMA_NONCOHERENT
679 select HAS_TXX9_SERIAL
684 select SYS_SUPPORTS_32BIT_KERNEL
685 select SYS_SUPPORTS_64BIT_KERNEL
686 select SYS_SUPPORTS_BIG_ENDIAN
687 select TOSHIBA_BOARDS
689 This Toshiba board is based on the TX4927 processor. Say Y here to
690 support this machine type
692 config TOSHIBA_RBTX4938
693 bool "Support for Toshiba RBTX4938 board"
694 select HAVE_STD_PC_SERIAL_PORT
695 select DMA_NONCOHERENT
696 select GENERIC_ISA_DMA
697 select HAS_TXX9_SERIAL
702 select SYS_SUPPORTS_32BIT_KERNEL
703 select SYS_SUPPORTS_LITTLE_ENDIAN
704 select SYS_SUPPORTS_BIG_ENDIAN
705 select TOSHIBA_BOARDS
707 This Toshiba board is based on the TX4938 processor. Say Y here to
708 support this machine type
712 source "arch/mips/ddb5xxx/Kconfig"
713 source "arch/mips/gt64120/ev64120/Kconfig"
714 source "arch/mips/jazz/Kconfig"
715 source "arch/mips/ite-boards/Kconfig"
716 source "arch/mips/lasat/Kconfig"
717 source "arch/mips/momentum/Kconfig"
718 source "arch/mips/pmc-sierra/Kconfig"
719 source "arch/mips/sgi-ip27/Kconfig"
720 source "arch/mips/sibyte/Kconfig"
721 source "arch/mips/tx4927/Kconfig"
722 source "arch/mips/tx4938/Kconfig"
723 source "arch/mips/vr41xx/Kconfig"
724 source "arch/mips/philips/pnx8550/common/Kconfig"
728 config RWSEM_GENERIC_SPINLOCK
732 config RWSEM_XCHGADD_ALGORITHM
735 config GENERIC_CALIBRATE_DELAY
740 # Select some configuration options automatically based on user selections.
745 config ARCH_MAY_HAVE_PC_FDC
756 select DMA_NEED_PCI_MAP_STATE
758 config DMA_NONCOHERENT
760 select DMA_NEED_PCI_MAP_STATE
762 config DMA_NEED_PCI_MAP_STATE
771 config GENERIC_ISA_DMA
780 select SYS_SUPPORTS_HIGHMEM
791 config MIPS_DISABLE_OBSOLETE_IDE
795 # Endianess selection. Suffiently obscure so many users don't know what to
796 # answer,so we try hard to limit the available choices. Also the use of a
797 # choice statement should be more obvious to the user.
800 prompt "Endianess selection"
802 Some MIPS machines can be configured for either little or big endian
803 byte order. These modes require different kernels and a different
804 Linux distribution. In general there is one prefered byteorder for a
805 particular system but some systems are just as commonly used in the
806 one or the other endianess.
808 config CPU_BIG_ENDIAN
810 depends on SYS_SUPPORTS_BIG_ENDIAN
812 config CPU_LITTLE_ENDIAN
814 depends on SYS_SUPPORTS_LITTLE_ENDIAN
819 config SYS_SUPPORTS_BIG_ENDIAN
822 config SYS_SUPPORTS_LITTLE_ENDIAN
837 config DDB5XXX_COMMON
840 config MIPS_BOARDS_GEN
851 select HAS_TXX9_SERIAL
881 select SYS_SUPPORTS_32BIT_KERNEL
889 select SYS_SUPPORTS_32BIT_KERNEL
890 select DMA_NONCOHERENT
897 # Unfortunately not all GT64120 systems run the chip at the same clock.
898 # As the user for the clock rate and try to minimize the available options.
901 prompt "Galileo Chip Clock"
902 #default SYSCLK_83 if MIPS_EV64120
903 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
904 default SYSCLK_83 if MIPS_EV64120
905 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
908 bool "75" if MIPS_EV64120
911 bool "83.3" if MIPS_EV64120
914 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
921 config AU1X00_USB_DEVICE
923 depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
932 depends on MIPS_ITE8172 || MIPS_IVR
937 depends on MIPS_ITE8172
943 config MIPS_L1_CACHE_SHIFT
945 default "4" if MACH_DECSTATION
946 default "7" if SGI_IP27
949 config HAVE_STD_PC_SERIAL_PORT
953 bool "ARC console support"
954 depends on SGI_IP22 || SNI_RM200_PCI
958 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
963 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
972 config TOSHIBA_BOARDS
982 bool "MIPS32 Release 1"
983 select CPU_HAS_PREFETCH
984 select CPU_SUPPORTS_32BIT_KERNEL
986 Choose this option to build a kernel for release 1 or later of the
987 MIPS32 architecture. Most modern embedded systems with a 32-bit
988 MIPS processor are based on a MIPS32 processor. If you know the
989 specific type of processor in your system, choose those that one
990 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
991 Release 2 of the MIPS32 architecture is available since several
992 years so chances are you even have a MIPS32 Release 2 processor
993 in which case you should choose CPU_MIPS32_R2 instead for better
997 bool "MIPS32 Release 2"
998 select CPU_HAS_PREFETCH
999 select CPU_SUPPORTS_32BIT_KERNEL
1001 Choose this option to build a kernel for release 2 or later of the
1002 MIPS32 architecture. Most modern embedded systems with a 32-bit
1003 MIPS processor are based on a MIPS32 processor. If you know the
1004 specific type of processor in your system, choose those that one
1005 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1007 config CPU_MIPS64_R1
1008 bool "MIPS64 Release 1"
1009 select CPU_HAS_PREFETCH
1010 select CPU_SUPPORTS_32BIT_KERNEL
1011 select CPU_SUPPORTS_64BIT_KERNEL
1013 Choose this option to build a kernel for release 1 or later of the
1014 MIPS64 architecture. Many modern embedded systems with a 64-bit
1015 MIPS processor are based on a MIPS64 processor. If you know the
1016 specific type of processor in your system, choose those that one
1017 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1018 Release 2 of the MIPS64 architecture is available since several
1019 years so chances are you even have a MIPS64 Release 2 processor
1020 in which case you should choose CPU_MIPS64_R2 instead for better
1023 config CPU_MIPS64_R2
1024 bool "MIPS64 Release 2"
1025 select CPU_HAS_PREFETCH
1026 select CPU_SUPPORTS_32BIT_KERNEL
1027 select CPU_SUPPORTS_64BIT_KERNEL
1029 Choose this option to build a kernel for release 2 or later of the
1030 MIPS64 architecture. Many modern embedded systems with a 64-bit
1031 MIPS processor are based on a MIPS64 processor. If you know the
1032 specific type of processor in your system, choose those that one
1033 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1037 select CPU_SUPPORTS_32BIT_KERNEL
1038 select CPU_SUPPORTS_HIGHMEM
1040 Please make sure to pick the right CPU type. Linux/MIPS is not
1041 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1042 *not* work on R4000 machines and vice versa. However, since most
1043 of the supported machines have an R4000 (or similar) CPU, R4x00
1044 might be a safe bet. If the resulting kernel does not work,
1045 try to recompile with R3000.
1049 select CPU_SUPPORTS_32BIT_KERNEL
1053 select CPU_SUPPORTS_32BIT_KERNEL
1054 select CPU_SUPPORTS_64BIT_KERNEL
1056 The options selects support for the NEC VR4100 series of processors.
1057 Only choose this option if you have one of these processors as a
1058 kernel built with this option will not run on any other type of
1059 processor or vice versa.
1063 select CPU_SUPPORTS_32BIT_KERNEL
1064 select CPU_SUPPORTS_64BIT_KERNEL
1066 MIPS Technologies R4300-series processors.
1070 select CPU_SUPPORTS_32BIT_KERNEL
1071 select CPU_SUPPORTS_64BIT_KERNEL
1073 MIPS Technologies R4000-series processors other than 4300, including
1074 the R4000, R4400, R4600, and 4700.
1078 select CPU_SUPPORTS_32BIT_KERNEL
1079 select CPU_SUPPORTS_64BIT_KERNEL
1083 select CPU_SUPPORTS_32BIT_KERNEL
1084 select CPU_SUPPORTS_64BIT_KERNEL
1086 MIPS Technologies R5000-series processors other than the Nevada.
1090 select CPU_SUPPORTS_32BIT_KERNEL
1091 select CPU_SUPPORTS_64BIT_KERNEL
1095 depends on EXPERIMENTAL
1096 select CPU_SUPPORTS_32BIT_KERNEL
1098 MIPS Technologies R6000 and R6000A series processors. Note these
1099 processors are extremly rare and the support for them is incomplete.
1103 select CPU_SUPPORTS_32BIT_KERNEL
1104 select CPU_SUPPORTS_64BIT_KERNEL
1106 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1110 depends on EXPERIMENTAL
1111 select CPU_HAS_PREFETCH
1112 select CPU_SUPPORTS_64BIT_KERNEL
1114 MIPS Technologies R8000 processors. Note these processors are
1115 uncommon and the support for them is incomplete.
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 select CPU_HAS_PREFETCH
1129 select CPU_SUPPORTS_32BIT_KERNEL
1130 select CPU_SUPPORTS_64BIT_KERNEL
1131 select CPU_SUPPORTS_HIGHMEM
1135 select CPU_HAS_PREFETCH
1136 select CPU_SUPPORTS_32BIT_KERNEL
1137 select CPU_SUPPORTS_64BIT_KERNEL
1138 select CPU_SUPPORTS_HIGHMEM
1142 select CPU_SUPPORTS_32BIT_KERNEL
1143 select CPU_SUPPORTS_64BIT_KERNEL
1144 select CPU_SUPPORTS_HIGHMEM
1151 # These two indicate any levelof the MIPS32 and MIPS64 architecture
1155 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1159 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1162 # These two indicate the revision of the architecture, either 32 bot 64 bit.
1166 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1170 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
1172 config SYS_SUPPORTS_32BIT_KERNEL
1174 config SYS_SUPPORTS_64BIT_KERNEL
1176 config CPU_SUPPORTS_32BIT_KERNEL
1178 config CPU_SUPPORTS_64BIT_KERNEL
1185 prompt "Kernel code model"
1187 You should only select this option if you have a workload that
1188 actually benefits from 64-bit processing or if your machine has
1189 large memory. You will only be presented a single option in this
1190 menu if your system does not support both 32-bit and 64-bit kernels.
1193 bool "32-bit kernel"
1194 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1197 Select this option if you want to build a 32-bit kernel.
1199 bool "64-bit kernel"
1200 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1202 Select this option if you want to build a 64-bit kernel.
1207 prompt "Kernel page size"
1208 default PAGE_SIZE_4KB
1210 config PAGE_SIZE_4KB
1213 This option select the standard 4kB Linux page size. On some
1214 R3000-family processors this is the only available page size. Using
1215 4kB page size will minimize memory consumption and is therefore
1216 recommended for low memory systems.
1218 config PAGE_SIZE_8KB
1220 depends on EXPERIMENTAL && CPU_R8000
1222 Using 8kB page size will result in higher performance kernel at
1223 the price of higher memory consumption. This option is available
1224 only on the R8000 processor. Not that at the time of this writing
1225 this option is still high experimental; there are also issues with
1226 compatibility of user applications.
1228 config PAGE_SIZE_16KB
1230 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1232 Using 16kB page size will result in higher performance kernel at
1233 the price of higher memory consumption. This option is available on
1234 all non-R3000 family processor. Not that at the time of this
1235 writing this option is still high experimental; there are also
1236 issues with compatibility of user applications.
1238 config PAGE_SIZE_64KB
1240 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1242 Using 64kB page size will result in higher performance kernel at
1243 the price of higher memory consumption. This option is available on
1244 all non-R3000 family processor. Not that at the time of this
1245 writing this option is still high experimental; there are also
1246 issues with compatibility of user applications.
1253 config IP22_CPU_SCACHE
1257 config R5000_CPU_SCACHE
1261 config RM7000_CPU_SCACHE
1265 config SIBYTE_DMA_PAGEOPS
1266 bool "Use DMA to clear/copy pages"
1269 Instead of using the CPU to zero and copy pages, use a Data Mover
1270 channel. These DMA channels are otherwise unused by the standard
1271 SiByte Linux port. Seems to give a small performance benefit.
1273 config CPU_HAS_PREFETCH
1277 bool "Enable MIPS MT"
1280 prompt "MIPS MT options"
1284 bool "Use 1 TC on each available VPE for SMP"
1287 config MIPS_VPE_LOADER
1288 bool "VPE loader support."
1291 Includes a loader for loading an elf relocatable object
1292 onto another VPE and running it.
1296 config MIPS_VPE_LOADER_TOM
1297 bool "Load VPE program into memory hidden from linux"
1298 depends on MIPS_VPE_LOADER
1301 The loader can use memory that is present but has been hidden from
1302 Linux using the kernel command line option "mem=xxMB". It's up to
1303 you to ensure the amount you put in the option and the space your
1304 program requires is less or equal to the amount physically present.
1306 # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1307 config MIPS_VPE_APSP_API
1308 bool "Enable support for AP/SP API (RTLX)"
1309 depends on MIPS_VPE_LOADER
1312 config SB1_PASS_1_WORKAROUNDS
1314 depends on CPU_SB1_PASS_1
1317 config SB1_PASS_2_WORKAROUNDS
1319 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1322 config SB1_PASS_2_1_WORKAROUNDS
1324 depends on CPU_SB1 && CPU_SB1_PASS_2
1327 config 64BIT_PHYS_ADDR
1328 bool "Support for 64-bit physical address space"
1329 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32_R1 || CPU_MIPS64_R1) && 32BIT
1332 bool "Override CPU Options"
1335 Saying yes here allows you to select support for various features
1336 your CPU may or may not have. Most people should say N here.
1339 bool "ll/sc Instructions available" if CPU_ADVANCED
1340 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
1342 MIPS R4000 series and later provide the Load Linked (ll)
1343 and Store Conditional (sc) instructions. More information is
1344 available at <http://www.go-ecs.com/mips/miptek1.htm>.
1346 Say Y here if your CPU has the ll and sc instructions. Say Y here
1347 for better performance, N if you don't know. You must say Y here
1348 for multiprocessor machines.
1350 config CPU_HAS_LLDSCD
1351 bool "lld/scd Instructions available" if CPU_ADVANCED
1352 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32_R1
1354 Say Y here if your CPU has the lld and scd instructions, the 64-bit
1355 equivalents of ll and sc. Say Y here for better performance, N if
1356 you don't know. You must say Y here for multiprocessor machines.
1359 bool "Writeback Buffer available" if CPU_ADVANCED
1360 default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
1362 Say N here for slightly better performance. You must say Y here for
1363 machines which require flushing of write buffers in software. Saying
1364 Y is the safe option; N may result in kernel malfunction and crashes.
1366 menu "MIPSR2 Interrupt handling"
1367 depends on CPU_MIPSR2 && CPU_ADVANCED
1369 config CPU_MIPSR2_IRQ_VI
1370 bool "Vectored interrupt mode"
1372 Vectored interrupt mode allowing faster dispatching of interrupts.
1373 The board support code needs to be written to take advantage of this
1374 mode. Compatibility code is included to allow the kernel to run on
1375 a CPU that does not support vectored interrupts. It's safe to
1378 config CPU_MIPSR2_IRQ_EI
1379 bool "External interrupt controller mode"
1381 Extended interrupt mode takes advantage of an external interrupt
1382 controller to allow fast dispatching from many possible interrupt
1383 sources. Say N unless you know that external interrupt support is
1386 config CPU_MIPSR2_SRS
1387 bool "Make shadow set registers available for interrupt handlers"
1388 depends on CPU_MIPSR2_IRQ_VI || CPU_MIPSR2_IRQ_EI
1390 Allow the kernel to use shadow register sets for fast interrupts.
1391 Interrupt handlers must be specially written to use shadow sets.
1392 Say N unless you know that shadow register set upport is needed.
1397 depends on !CPU_R3000
1401 # Use the generic interrupt handling code in kernel/irq/:
1403 config GENERIC_HARDIRQS
1407 config GENERIC_IRQ_PROBE
1412 # - Highmem only makes sense for the 32-bit kernel.
1413 # - The current highmem code will only work properly on physically indexed
1414 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1415 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1416 # moment we protect the user and offer the highmem option only on machines
1417 # where it's known to be safe. This will not offer highmem on a few systems
1418 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1419 # indexed CPUs but we're playing safe.
1420 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
1421 # know they might have memory configurations that could make use of highmem
1425 bool "High Memory Support"
1426 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
1428 config CPU_SUPPORTS_HIGHMEM
1431 config SYS_SUPPORTS_HIGHMEM
1434 config ARCH_FLATMEM_ENABLE
1441 bool "Multi-Processing support"
1442 depends on CPU_RM9000 || ((SIBYTE_BCM1x80 || SIBYTE_BCM1x55 || SIBYTE_SB1250) && !SIBYTE_STANDALONE) || SGI_IP27 || MIPS_MT_SMP
1444 This enables support for systems with more than one CPU. If you have
1445 a system with only one CPU, like most personal computers, say N. If
1446 you have a system with more than one CPU, say Y.
1448 If you say N here, the kernel will run on single and multiprocessor
1449 machines, but will use only one CPU of a multiprocessor machine. If
1450 you say Y here, the kernel will run on many, but not all,
1451 singleprocessor machines. On a singleprocessor machine, the kernel
1452 will run faster if you say N here.
1454 People using multiprocessor machines who say Y here should also say
1455 Y to "Enhanced Real Time Clock Support", below.
1457 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1458 available at <http://www.tldp.org/docs.html#howto>.
1460 If you don't know what to do here, say N.
1463 int "Maximum number of CPUs (2-64)"
1466 default "64" if SGI_IP27
1469 This allows you to specify the maximum number of CPUs which this
1470 kernel will support. The maximum supported value is 32 for 32-bit
1471 kernel and 64 for 64-bit kernels; the minimum value which makes
1474 This is purely to save memory - each supported CPU adds
1475 approximately eight kilobytes to the kernel image.
1477 source "kernel/Kconfig.preempt"
1480 bool "DS1742 BRAM/RTC support"
1481 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1483 config MIPS_INSANE_LARGE
1484 bool "Support for large 64-bit configurations"
1485 depends on CPU_R10000 && 64BIT
1487 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1488 previous 64-bit processors which only supported 40 bit / 1TB. If you
1489 need processes of more than 1TB virtual address space, say Y here.
1490 This will result in additional memory usage, so it is not
1491 recommended for normal users.
1495 config RWSEM_GENERIC_SPINLOCK
1499 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1507 bool "Support for PCI controller"
1508 depends on HW_HAS_PCI
1510 Find out whether you have a PCI motherboard. PCI is the name of a
1511 bus system, i.e. the way the CPU talks to the other stuff inside
1512 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1515 The PCI-HOWTO, available from
1516 <http://www.tldp.org/docs.html#howto>, contains valuable
1517 information about which PCI hardware does work under Linux and which
1524 source "drivers/pci/Kconfig"
1527 # ISA support is now enabled via select. Too many systems still have the one
1528 # or other ISA chip on the board that users don't know about so don't expect
1529 # users to choose the right thing ...
1536 depends on HW_HAS_EISA
1539 The Extended Industry Standard Architecture (EISA) bus was
1540 developed as an open alternative to the IBM MicroChannel bus.
1542 The EISA bus provided some of the features of the IBM MicroChannel
1543 bus while maintaining backward compatibility with cards made for
1544 the older ISA bus. The EISA bus saw limited use between 1988 and
1545 1995 when it was made obsolete by the PCI bus.
1547 Say Y here if you are building a kernel for an EISA-based machine.
1551 source "drivers/eisa/Kconfig"
1554 bool "TURBOchannel support"
1555 depends on MACH_DECSTATION
1557 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1558 processors. Documentation on writing device drivers for TurboChannel
1560 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1563 # bool "Access.Bus support"
1570 source "drivers/pcmcia/Kconfig"
1572 source "drivers/pci/hotplug/Kconfig"
1576 menu "Executable file formats"
1578 source "fs/Kconfig.binfmt"
1584 bool "Use 64-bit ELF format for building"
1587 A 64-bit kernel is usually built using the 64-bit ELF binary object
1588 format as it's one that allows arbitrary 64-bit constructs. For
1589 kernels that are loaded within the KSEG compatibility segments the
1590 32-bit ELF format can optionally be used resulting in a somewhat
1591 smaller binary, but this option is not explicitly supported by the
1592 toolchain and since binutils 2.14 it does not even work at all.
1594 Say Y to use the 64-bit format or N to use the 32-bit one.
1599 bool "Include IRIX binary compatibility"
1600 depends on CPU_BIG_ENDIAN && 32BIT && BROKEN
1602 config MIPS32_COMPAT
1603 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1606 Select this option if you want Linux/MIPS 32-bit binary
1607 compatibility. Since all software available for Linux/MIPS is
1608 currently 32-bit you should say Y here.
1612 depends on MIPS32_COMPAT
1616 bool "Kernel support for o32 binaries"
1617 depends on MIPS32_COMPAT
1619 Select this option if you want to run o32 binaries. These are pure
1620 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1621 existing binaries are in this format.
1626 bool "Kernel support for n32 binaries"
1627 depends on MIPS32_COMPAT
1629 Select this option if you want to run n32 binaries. These are
1630 64-bit binaries using 32-bit quantities for addressing and certain
1631 data that would normally be 64-bit. They are used in special
1638 default y if MIPS32_O32 || MIPS32_N32
1641 bool "Enable seccomp to safely compute untrusted bytecode"
1642 depends on PROC_FS && BROKEN
1645 This kernel feature is useful for number crunching applications
1646 that may need to compute untrusted bytecode during their
1647 execution. By using pipes or other transports made available to
1648 the process as file descriptors supporting the read/write
1649 syscalls, it's possible to isolate those applications in
1650 their own address space using seccomp. Once seccomp is
1651 enabled via /proc/<pid>/seccomp, it cannot be disabled
1652 and the task is only allowed to execute a few safe syscalls
1653 defined by each seccomp mode.
1655 If unsure, say Y. Only embedded should say N here.
1658 bool "Power Management support (EXPERIMENTAL)"
1659 depends on EXPERIMENTAL && SOC_AU1X00
1663 source "net/Kconfig"
1665 source "drivers/Kconfig"
1669 source "arch/mips/oprofile/Kconfig"
1671 source "arch/mips/Kconfig.debug"
1673 source "security/Kconfig"
1675 source "crypto/Kconfig"
1677 source "lib/Kconfig"