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
559 bool "Support for Sibyte BCM91250A-SWARM"
564 select SYS_SUPPORTS_BIG_ENDIAN
565 select SYS_SUPPORTS_HIGHMEM
566 select SYS_SUPPORTS_LITTLE_ENDIAN
568 config SIBYTE_SENTOSA
569 bool "Support for Sibyte BCM91250E-Sentosa"
570 depends on EXPERIMENTAL
575 select SYS_SUPPORTS_BIG_ENDIAN
576 select SYS_SUPPORTS_LITTLE_ENDIAN
579 bool "Support for Sibyte BCM91125E-Rhone"
580 depends on EXPERIMENTAL
583 select SIBYTE_BCM1125H
585 select SYS_SUPPORTS_BIG_ENDIAN
586 select SYS_SUPPORTS_LITTLE_ENDIAN
589 bool "Support for Sibyte BCM91120x-Carmel"
590 depends on EXPERIMENTAL
593 select SIBYTE_BCM1120
595 select SYS_SUPPORTS_BIG_ENDIAN
596 select SYS_SUPPORTS_LITTLE_ENDIAN
598 config SIBYTE_PTSWARM
599 bool "Support for Sibyte BCM91250PT-PTSWARM"
600 depends on EXPERIMENTAL
605 select SYS_SUPPORTS_BIG_ENDIAN
606 select SYS_SUPPORTS_HIGHMEM
607 select SYS_SUPPORTS_LITTLE_ENDIAN
609 config SIBYTE_LITTLESUR
610 bool "Support for Sibyte BCM91250C2-LittleSur"
611 depends on EXPERIMENTAL
616 select SYS_SUPPORTS_BIG_ENDIAN
617 select SYS_SUPPORTS_HIGHMEM
618 select SYS_SUPPORTS_LITTLE_ENDIAN
621 bool "Support for Sibyte BCM91120C-CRhine"
622 depends on EXPERIMENTAL
625 select SIBYTE_BCM1120
627 select SYS_SUPPORTS_BIG_ENDIAN
628 select SYS_SUPPORTS_LITTLE_ENDIAN
631 bool "Support for Sibyte BCM91125C-CRhone"
632 depends on EXPERIMENTAL
635 select SIBYTE_BCM1125
637 select SYS_SUPPORTS_BIG_ENDIAN
638 select SYS_SUPPORTS_HIGHMEM
639 select SYS_SUPPORTS_LITTLE_ENDIAN
642 bool "Support for SNI RM200 PCI"
645 select ARCH_MAY_HAVE_PC_FDC
647 select DMA_NONCOHERENT
648 select GENERIC_ISA_DMA
649 select HAVE_STD_PC_SERIAL_PORT
654 select SYS_SUPPORTS_32BIT_KERNEL
655 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
656 select SYS_SUPPORTS_BIG_ENDIAN if EXPERIMENTAL
657 select SYS_SUPPORTS_HIGHMEM
658 select SYS_SUPPORTS_LITTLE_ENDIAN
660 The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
661 Nixdorf Informationssysteme (SNI), parent company of Pyramid
662 Technology and now in turn merged with Fujitsu. Say Y here to
663 support this machine type.
665 config TOSHIBA_JMR3927
666 bool "Support for Toshiba JMR-TX3927 board"
667 select DMA_NONCOHERENT
671 select SYS_SUPPORTS_32BIT_KERNEL
672 select SYS_SUPPORTS_BIG_ENDIAN
673 select TOSHIBA_BOARDS
675 config TOSHIBA_RBTX4927
676 bool "Support for Toshiba TBTX49[23]7 board"
677 select DMA_NONCOHERENT
678 select HAS_TXX9_SERIAL
683 select SYS_SUPPORTS_32BIT_KERNEL
684 select SYS_SUPPORTS_64BIT_KERNEL
685 select SYS_SUPPORTS_BIG_ENDIAN
686 select TOSHIBA_BOARDS
688 This Toshiba board is based on the TX4927 processor. Say Y here to
689 support this machine type
691 config TOSHIBA_RBTX4938
692 bool "Support for Toshiba RBTX4938 board"
693 select HAVE_STD_PC_SERIAL_PORT
694 select DMA_NONCOHERENT
695 select GENERIC_ISA_DMA
696 select HAS_TXX9_SERIAL
701 select SYS_SUPPORTS_32BIT_KERNEL
702 select SYS_SUPPORTS_LITTLE_ENDIAN
703 select SYS_SUPPORTS_BIG_ENDIAN
704 select TOSHIBA_BOARDS
706 This Toshiba board is based on the TX4938 processor. Say Y here to
707 support this machine type
711 source "arch/mips/ddb5xxx/Kconfig"
712 source "arch/mips/gt64120/ev64120/Kconfig"
713 source "arch/mips/jazz/Kconfig"
714 source "arch/mips/ite-boards/Kconfig"
715 source "arch/mips/lasat/Kconfig"
716 source "arch/mips/momentum/Kconfig"
717 source "arch/mips/pmc-sierra/Kconfig"
718 source "arch/mips/sgi-ip27/Kconfig"
719 source "arch/mips/sibyte/Kconfig"
720 source "arch/mips/tx4927/Kconfig"
721 source "arch/mips/tx4938/Kconfig"
722 source "arch/mips/vr41xx/Kconfig"
723 source "arch/mips/philips/pnx8550/common/Kconfig"
727 config RWSEM_GENERIC_SPINLOCK
731 config RWSEM_XCHGADD_ALGORITHM
734 config GENERIC_CALIBRATE_DELAY
739 # Select some configuration options automatically based on user selections.
744 config ARCH_MAY_HAVE_PC_FDC
755 select DMA_NEED_PCI_MAP_STATE
757 config DMA_NONCOHERENT
759 select DMA_NEED_PCI_MAP_STATE
761 config DMA_NEED_PCI_MAP_STATE
770 config GENERIC_ISA_DMA
779 select SYS_SUPPORTS_HIGHMEM
790 config MIPS_DISABLE_OBSOLETE_IDE
794 # Endianess selection. Suffiently obscure so many users don't know what to
795 # answer,so we try hard to limit the available choices. Also the use of a
796 # choice statement should be more obvious to the user.
799 prompt "Endianess selection"
801 Some MIPS machines can be configured for either little or big endian
802 byte order. These modes require different kernels and a different
803 Linux distribution. In general there is one prefered byteorder for a
804 particular system but some systems are just as commonly used in the
805 one or the other endianess.
807 config CPU_BIG_ENDIAN
809 depends on SYS_SUPPORTS_BIG_ENDIAN
811 config CPU_LITTLE_ENDIAN
813 depends on SYS_SUPPORTS_LITTLE_ENDIAN
818 config SYS_SUPPORTS_BIG_ENDIAN
821 config SYS_SUPPORTS_LITTLE_ENDIAN
836 config DDB5XXX_COMMON
839 config MIPS_BOARDS_GEN
850 select HAS_TXX9_SERIAL
880 select SYS_SUPPORTS_32BIT_KERNEL
888 select SYS_SUPPORTS_32BIT_KERNEL
889 select DMA_NONCOHERENT
896 # Unfortunately not all GT64120 systems run the chip at the same clock.
897 # As the user for the clock rate and try to minimize the available options.
900 prompt "Galileo Chip Clock"
901 #default SYSCLK_83 if MIPS_EV64120
902 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
903 default SYSCLK_83 if MIPS_EV64120
904 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
907 bool "75" if MIPS_EV64120
910 bool "83.3" if MIPS_EV64120
913 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
920 config AU1X00_USB_DEVICE
922 depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
931 depends on MIPS_ITE8172 || MIPS_IVR
936 depends on MIPS_ITE8172
942 config MIPS_L1_CACHE_SHIFT
944 default "4" if MACH_DECSTATION
945 default "7" if SGI_IP27
948 config HAVE_STD_PC_SERIAL_PORT
952 bool "ARC console support"
953 depends on SGI_IP22 || SNI_RM200_PCI
957 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
962 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
971 config TOSHIBA_BOARDS
981 bool "MIPS32 Release 1"
982 select CPU_HAS_PREFETCH
983 select CPU_SUPPORTS_32BIT_KERNEL
985 Choose this option to build a kernel for release 1 or later of the
986 MIPS32 architecture. Most modern embedded systems with a 32-bit
987 MIPS processor are based on a MIPS32 processor. If you know the
988 specific type of processor in your system, choose those that one
989 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
990 Release 2 of the MIPS32 architecture is available since several
991 years so chances are you even have a MIPS32 Release 2 processor
992 in which case you should choose CPU_MIPS32_R2 instead for better
996 bool "MIPS32 Release 2"
997 select CPU_HAS_PREFETCH
998 select CPU_SUPPORTS_32BIT_KERNEL
1000 Choose this option to build a kernel for release 2 or later of the
1001 MIPS32 architecture. Most modern embedded systems with a 32-bit
1002 MIPS processor are based on a MIPS32 processor. If you know the
1003 specific type of processor in your system, choose those that one
1004 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1006 config CPU_MIPS64_R1
1007 bool "MIPS64 Release 1"
1008 select CPU_HAS_PREFETCH
1009 select CPU_SUPPORTS_32BIT_KERNEL
1010 select CPU_SUPPORTS_64BIT_KERNEL
1012 Choose this option to build a kernel for release 1 or later of the
1013 MIPS64 architecture. Many modern embedded systems with a 64-bit
1014 MIPS processor are based on a MIPS64 processor. If you know the
1015 specific type of processor in your system, choose those that one
1016 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1017 Release 2 of the MIPS64 architecture is available since several
1018 years so chances are you even have a MIPS64 Release 2 processor
1019 in which case you should choose CPU_MIPS64_R2 instead for better
1022 config CPU_MIPS64_R2
1023 bool "MIPS64 Release 2"
1024 select CPU_HAS_PREFETCH
1025 select CPU_SUPPORTS_32BIT_KERNEL
1026 select CPU_SUPPORTS_64BIT_KERNEL
1028 Choose this option to build a kernel for release 2 or later of the
1029 MIPS64 architecture. Many modern embedded systems with a 64-bit
1030 MIPS processor are based on a MIPS64 processor. If you know the
1031 specific type of processor in your system, choose those that one
1032 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1036 select CPU_SUPPORTS_32BIT_KERNEL
1037 select CPU_SUPPORTS_HIGHMEM
1039 Please make sure to pick the right CPU type. Linux/MIPS is not
1040 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1041 *not* work on R4000 machines and vice versa. However, since most
1042 of the supported machines have an R4000 (or similar) CPU, R4x00
1043 might be a safe bet. If the resulting kernel does not work,
1044 try to recompile with R3000.
1048 select CPU_SUPPORTS_32BIT_KERNEL
1052 select CPU_SUPPORTS_32BIT_KERNEL
1053 select CPU_SUPPORTS_64BIT_KERNEL
1055 The options selects support for the NEC VR4100 series of processors.
1056 Only choose this option if you have one of these processors as a
1057 kernel built with this option will not run on any other type of
1058 processor or vice versa.
1062 select CPU_SUPPORTS_32BIT_KERNEL
1063 select CPU_SUPPORTS_64BIT_KERNEL
1065 MIPS Technologies R4300-series processors.
1069 select CPU_SUPPORTS_32BIT_KERNEL
1070 select CPU_SUPPORTS_64BIT_KERNEL
1072 MIPS Technologies R4000-series processors other than 4300, including
1073 the R4000, R4400, R4600, and 4700.
1077 select CPU_SUPPORTS_32BIT_KERNEL
1078 select CPU_SUPPORTS_64BIT_KERNEL
1082 select CPU_SUPPORTS_32BIT_KERNEL
1083 select CPU_SUPPORTS_64BIT_KERNEL
1085 MIPS Technologies R5000-series processors other than the Nevada.
1089 select CPU_SUPPORTS_32BIT_KERNEL
1090 select CPU_SUPPORTS_64BIT_KERNEL
1094 depends on EXPERIMENTAL
1095 select CPU_SUPPORTS_32BIT_KERNEL
1097 MIPS Technologies R6000 and R6000A series processors. Note these
1098 processors are extremly rare and the support for them is incomplete.
1102 select CPU_SUPPORTS_32BIT_KERNEL
1103 select CPU_SUPPORTS_64BIT_KERNEL
1105 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1109 depends on EXPERIMENTAL
1110 select CPU_HAS_PREFETCH
1111 select CPU_SUPPORTS_64BIT_KERNEL
1113 MIPS Technologies R8000 processors. Note these processors are
1114 uncommon and the support for them is incomplete.
1118 select CPU_HAS_PREFETCH
1119 select CPU_SUPPORTS_32BIT_KERNEL
1120 select CPU_SUPPORTS_64BIT_KERNEL
1121 select CPU_SUPPORTS_HIGHMEM
1123 MIPS Technologies R10000-series processors.
1127 select CPU_HAS_PREFETCH
1128 select CPU_SUPPORTS_32BIT_KERNEL
1129 select CPU_SUPPORTS_64BIT_KERNEL
1130 select CPU_SUPPORTS_HIGHMEM
1134 select CPU_HAS_PREFETCH
1135 select CPU_SUPPORTS_32BIT_KERNEL
1136 select CPU_SUPPORTS_64BIT_KERNEL
1137 select CPU_SUPPORTS_HIGHMEM
1141 select CPU_SUPPORTS_32BIT_KERNEL
1142 select CPU_SUPPORTS_64BIT_KERNEL
1143 select CPU_SUPPORTS_HIGHMEM
1150 # These two indicate any levelof the MIPS32 and MIPS64 architecture
1154 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1158 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1161 # These two indicate the revision of the architecture, either 32 bot 64 bit.
1165 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1169 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
1171 config SYS_SUPPORTS_32BIT_KERNEL
1173 config SYS_SUPPORTS_64BIT_KERNEL
1175 config CPU_SUPPORTS_32BIT_KERNEL
1177 config CPU_SUPPORTS_64BIT_KERNEL
1184 prompt "Kernel code model"
1186 You should only select this option if you have a workload that
1187 actually benefits from 64-bit processing or if your machine has
1188 large memory. You will only be presented a single option in this
1189 menu if your system does not support both 32-bit and 64-bit kernels.
1192 bool "32-bit kernel"
1193 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
1196 Select this option if you want to build a 32-bit kernel.
1198 bool "64-bit kernel"
1199 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
1201 Select this option if you want to build a 64-bit kernel.
1206 prompt "Kernel page size"
1207 default PAGE_SIZE_4KB
1209 config PAGE_SIZE_4KB
1212 This option select the standard 4kB Linux page size. On some
1213 R3000-family processors this is the only available page size. Using
1214 4kB page size will minimize memory consumption and is therefore
1215 recommended for low memory systems.
1217 config PAGE_SIZE_8KB
1219 depends on EXPERIMENTAL && CPU_R8000
1221 Using 8kB page size will result in higher performance kernel at
1222 the price of higher memory consumption. This option is available
1223 only on the R8000 processor. Not that at the time of this writing
1224 this option is still high experimental; there are also issues with
1225 compatibility of user applications.
1227 config PAGE_SIZE_16KB
1229 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1231 Using 16kB page size will result in higher performance kernel at
1232 the price of higher memory consumption. This option is available on
1233 all non-R3000 family processor. Not that at the time of this
1234 writing this option is still high experimental; there are also
1235 issues with compatibility of user applications.
1237 config PAGE_SIZE_64KB
1239 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1241 Using 64kB page size will result in higher performance kernel at
1242 the price of higher memory consumption. This option is available on
1243 all non-R3000 family processor. Not that at the time of this
1244 writing this option is still high experimental; there are also
1245 issues with compatibility of user applications.
1252 config IP22_CPU_SCACHE
1256 config R5000_CPU_SCACHE
1260 config RM7000_CPU_SCACHE
1264 config SIBYTE_DMA_PAGEOPS
1265 bool "Use DMA to clear/copy pages"
1268 Instead of using the CPU to zero and copy pages, use a Data Mover
1269 channel. These DMA channels are otherwise unused by the standard
1270 SiByte Linux port. Seems to give a small performance benefit.
1272 config CPU_HAS_PREFETCH
1276 bool "Enable MIPS MT"
1279 prompt "MIPS MT options"
1283 bool "Use 1 TC on each available VPE for SMP"
1286 config MIPS_VPE_LOADER
1287 bool "VPE loader support."
1290 Includes a loader for loading an elf relocatable object
1291 onto another VPE and running it.
1295 config MIPS_VPE_LOADER_TOM
1296 bool "Load VPE program into memory hidden from linux"
1297 depends on MIPS_VPE_LOADER
1300 The loader can use memory that is present but has been hidden from
1301 Linux using the kernel command line option "mem=xxMB". It's up to
1302 you to ensure the amount you put in the option and the space your
1303 program requires is less or equal to the amount physically present.
1305 # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1306 config MIPS_VPE_APSP_API
1307 bool "Enable support for AP/SP API (RTLX)"
1308 depends on MIPS_VPE_LOADER
1311 config SB1_PASS_1_WORKAROUNDS
1313 depends on CPU_SB1_PASS_1
1316 config SB1_PASS_2_WORKAROUNDS
1318 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1321 config SB1_PASS_2_1_WORKAROUNDS
1323 depends on CPU_SB1 && CPU_SB1_PASS_2
1326 config 64BIT_PHYS_ADDR
1327 bool "Support for 64-bit physical address space"
1328 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32_R1 || CPU_MIPS64_R1) && 32BIT
1331 bool "Override CPU Options"
1334 Saying yes here allows you to select support for various features
1335 your CPU may or may not have. Most people should say N here.
1338 bool "ll/sc Instructions available" if CPU_ADVANCED
1339 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
1341 MIPS R4000 series and later provide the Load Linked (ll)
1342 and Store Conditional (sc) instructions. More information is
1343 available at <http://www.go-ecs.com/mips/miptek1.htm>.
1345 Say Y here if your CPU has the ll and sc instructions. Say Y here
1346 for better performance, N if you don't know. You must say Y here
1347 for multiprocessor machines.
1349 config CPU_HAS_LLDSCD
1350 bool "lld/scd Instructions available" if CPU_ADVANCED
1351 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32_R1
1353 Say Y here if your CPU has the lld and scd instructions, the 64-bit
1354 equivalents of ll and sc. Say Y here for better performance, N if
1355 you don't know. You must say Y here for multiprocessor machines.
1358 bool "Writeback Buffer available" if CPU_ADVANCED
1359 default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
1361 Say N here for slightly better performance. You must say Y here for
1362 machines which require flushing of write buffers in software. Saying
1363 Y is the safe option; N may result in kernel malfunction and crashes.
1365 menu "MIPSR2 Interrupt handling"
1366 depends on CPU_MIPSR2 && CPU_ADVANCED
1368 config CPU_MIPSR2_IRQ_VI
1369 bool "Vectored interrupt mode"
1371 Vectored interrupt mode allowing faster dispatching of interrupts.
1372 The board support code needs to be written to take advantage of this
1373 mode. Compatibility code is included to allow the kernel to run on
1374 a CPU that does not support vectored interrupts. It's safe to
1377 config CPU_MIPSR2_IRQ_EI
1378 bool "External interrupt controller mode"
1380 Extended interrupt mode takes advantage of an external interrupt
1381 controller to allow fast dispatching from many possible interrupt
1382 sources. Say N unless you know that external interrupt support is
1385 config CPU_MIPSR2_SRS
1386 bool "Make shadow set registers available for interrupt handlers"
1387 depends on CPU_MIPSR2_IRQ_VI || CPU_MIPSR2_IRQ_EI
1389 Allow the kernel to use shadow register sets for fast interrupts.
1390 Interrupt handlers must be specially written to use shadow sets.
1391 Say N unless you know that shadow register set upport is needed.
1396 depends on !CPU_R3000
1400 # Use the generic interrupt handling code in kernel/irq/:
1402 config GENERIC_HARDIRQS
1406 config GENERIC_IRQ_PROBE
1411 # - Highmem only makes sense for the 32-bit kernel.
1412 # - The current highmem code will only work properly on physically indexed
1413 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1414 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1415 # moment we protect the user and offer the highmem option only on machines
1416 # where it's known to be safe. This will not offer highmem on a few systems
1417 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1418 # indexed CPUs but we're playing safe.
1419 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
1420 # know they might have memory configurations that could make use of highmem
1424 bool "High Memory Support"
1425 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
1427 config CPU_SUPPORTS_HIGHMEM
1430 config SYS_SUPPORTS_HIGHMEM
1433 config ARCH_FLATMEM_ENABLE
1440 bool "Multi-Processing support"
1441 depends on CPU_RM9000 || ((SIBYTE_BCM1x80 || SIBYTE_BCM1x55 || SIBYTE_SB1250) && !SIBYTE_STANDALONE) || SGI_IP27 || MIPS_MT_SMP
1443 This enables support for systems with more than one CPU. If you have
1444 a system with only one CPU, like most personal computers, say N. If
1445 you have a system with more than one CPU, say Y.
1447 If you say N here, the kernel will run on single and multiprocessor
1448 machines, but will use only one CPU of a multiprocessor machine. If
1449 you say Y here, the kernel will run on many, but not all,
1450 singleprocessor machines. On a singleprocessor machine, the kernel
1451 will run faster if you say N here.
1453 People using multiprocessor machines who say Y here should also say
1454 Y to "Enhanced Real Time Clock Support", below.
1456 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1457 available at <http://www.tldp.org/docs.html#howto>.
1459 If you don't know what to do here, say N.
1462 int "Maximum number of CPUs (2-64)"
1465 default "64" if SGI_IP27
1468 This allows you to specify the maximum number of CPUs which this
1469 kernel will support. The maximum supported value is 32 for 32-bit
1470 kernel and 64 for 64-bit kernels; the minimum value which makes
1473 This is purely to save memory - each supported CPU adds
1474 approximately eight kilobytes to the kernel image.
1476 source "kernel/Kconfig.preempt"
1479 bool "DS1742 BRAM/RTC support"
1480 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1482 config MIPS_INSANE_LARGE
1483 bool "Support for large 64-bit configurations"
1484 depends on CPU_R10000 && 64BIT
1486 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1487 previous 64-bit processors which only supported 40 bit / 1TB. If you
1488 need processes of more than 1TB virtual address space, say Y here.
1489 This will result in additional memory usage, so it is not
1490 recommended for normal users.
1494 config RWSEM_GENERIC_SPINLOCK
1498 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1506 bool "Support for PCI controller"
1507 depends on HW_HAS_PCI
1509 Find out whether you have a PCI motherboard. PCI is the name of a
1510 bus system, i.e. the way the CPU talks to the other stuff inside
1511 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1514 The PCI-HOWTO, available from
1515 <http://www.tldp.org/docs.html#howto>, contains valuable
1516 information about which PCI hardware does work under Linux and which
1523 source "drivers/pci/Kconfig"
1526 # ISA support is now enabled via select. Too many systems still have the one
1527 # or other ISA chip on the board that users don't know about so don't expect
1528 # users to choose the right thing ...
1535 depends on HW_HAS_EISA
1538 The Extended Industry Standard Architecture (EISA) bus was
1539 developed as an open alternative to the IBM MicroChannel bus.
1541 The EISA bus provided some of the features of the IBM MicroChannel
1542 bus while maintaining backward compatibility with cards made for
1543 the older ISA bus. The EISA bus saw limited use between 1988 and
1544 1995 when it was made obsolete by the PCI bus.
1546 Say Y here if you are building a kernel for an EISA-based machine.
1550 source "drivers/eisa/Kconfig"
1553 bool "TURBOchannel support"
1554 depends on MACH_DECSTATION
1556 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1557 processors. Documentation on writing device drivers for TurboChannel
1559 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1562 # bool "Access.Bus support"
1569 source "drivers/pcmcia/Kconfig"
1571 source "drivers/pci/hotplug/Kconfig"
1575 menu "Executable file formats"
1577 source "fs/Kconfig.binfmt"
1583 bool "Use 64-bit ELF format for building"
1586 A 64-bit kernel is usually built using the 64-bit ELF binary object
1587 format as it's one that allows arbitrary 64-bit constructs. For
1588 kernels that are loaded within the KSEG compatibility segments the
1589 32-bit ELF format can optionally be used resulting in a somewhat
1590 smaller binary, but this option is not explicitly supported by the
1591 toolchain and since binutils 2.14 it does not even work at all.
1593 Say Y to use the 64-bit format or N to use the 32-bit one.
1598 bool "Include IRIX binary compatibility"
1599 depends on CPU_BIG_ENDIAN && 32BIT && BROKEN
1601 config MIPS32_COMPAT
1602 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1605 Select this option if you want Linux/MIPS 32-bit binary
1606 compatibility. Since all software available for Linux/MIPS is
1607 currently 32-bit you should say Y here.
1611 depends on MIPS32_COMPAT
1615 bool "Kernel support for o32 binaries"
1616 depends on MIPS32_COMPAT
1618 Select this option if you want to run o32 binaries. These are pure
1619 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1620 existing binaries are in this format.
1625 bool "Kernel support for n32 binaries"
1626 depends on MIPS32_COMPAT
1628 Select this option if you want to run n32 binaries. These are
1629 64-bit binaries using 32-bit quantities for addressing and certain
1630 data that would normally be 64-bit. They are used in special
1637 default y if MIPS32_O32 || MIPS32_N32
1640 bool "Enable seccomp to safely compute untrusted bytecode"
1641 depends on PROC_FS && BROKEN
1644 This kernel feature is useful for number crunching applications
1645 that may need to compute untrusted bytecode during their
1646 execution. By using pipes or other transports made available to
1647 the process as file descriptors supporting the read/write
1648 syscalls, it's possible to isolate those applications in
1649 their own address space using seccomp. Once seccomp is
1650 enabled via /proc/<pid>/seccomp, it cannot be disabled
1651 and the task is only allowed to execute a few safe syscalls
1652 defined by each seccomp mode.
1654 If unsure, say Y. Only embedded should say N here.
1657 bool "Power Management support (EXPERIMENTAL)"
1658 depends on EXPERIMENTAL && SOC_AU1X00
1662 source "net/Kconfig"
1664 source "drivers/Kconfig"
1668 source "arch/mips/oprofile/Kconfig"
1670 source "arch/mips/Kconfig.debug"
1672 source "security/Kconfig"
1674 source "crypto/Kconfig"
1676 source "lib/Kconfig"