4 # Horrible source of confusion. Die, die, die ...
7 # shouldn't it be per-subarchitecture?
8 config ARCH_MAY_HAVE_PC_FDC
12 mainmenu "Linux/MIPS Kernel Configuration"
16 config SYS_SUPPORTS_32BIT_KERNEL
18 config SYS_SUPPORTS_64BIT_KERNEL
20 config CPU_SUPPORTS_32BIT_KERNEL
22 config CPU_SUPPORTS_64BIT_KERNEL
29 prompt "Kernel code model"
31 You should only select this option if you have a workload that
32 actually benefits from 64-bit processing or if your machine has
33 large memory. You will only be presented a single option in this
34 menu if your system does not support both 32-bit and 64-bit kernels.
38 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
41 Select this option if you want to build a 32-bit kernel.
45 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
47 Select this option if you want to build a 64-bit kernel.
53 menu "Machine selection"
56 bool "Support for the Jazz family of machines"
59 select GENERIC_ISA_DMA
62 select SYS_SUPPORTS_32BIT_KERNEL
63 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
65 This a family of machines based on the MIPS R4030 chipset which was
66 used by several vendors to build RISC/os and Windows NT workstations.
67 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
68 Olivetti M700-10 workstations.
71 bool "Support for Acer PICA 1 chipset (EXPERIMENTAL)"
72 depends on MACH_JAZZ && EXPERIMENTAL
73 select DMA_NONCOHERENT
75 This is a machine with a R4400 133/150 MHz CPU. To compile a Linux
76 kernel that runs on these, say Y here. For details about Linux on
77 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
78 <http://www.linux-mips.org/>.
80 config MIPS_MAGNUM_4000
81 bool "Support for MIPS Magnum 4000"
83 select DMA_NONCOHERENT
85 This is a machine with a R4000 100 MHz CPU. To compile a Linux
86 kernel that runs on these, say Y here. For details about Linux on
87 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
88 <http://www.linux-mips.org/>.
91 bool "Support for Olivetti M700-10"
93 select DMA_NONCOHERENT
95 This is a machine with a R4000 100 MHz CPU. To compile a Linux
96 kernel that runs on these, say Y here. For details about Linux on
97 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
98 <http://www.linux-mips.org/>.
101 bool "Support for NEC VR4100 series based machines"
102 select SYS_SUPPORTS_32BIT_KERNEL
103 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
106 bool "Support for NEC CMB-VR4133"
107 depends on MACH_VR41XX
109 select DMA_NONCOHERENT
114 bool "Support for Rockhopper baseboard"
115 depends on NEC_CMBVR4133
117 select HAVE_STD_PC_SERIAL_PORT
120 bool "Support for CASIO CASSIOPEIA E-10/15/55/65"
121 depends on MACH_VR41XX
122 select CPU_LITTLE_ENDIAN
123 select DMA_NONCOHERENT
128 bool "Support for IBM WorkPad z50"
129 depends on MACH_VR41XX
130 select CPU_LITTLE_ENDIAN
131 select DMA_NONCOHERENT
136 bool "Support for TANBAC VR4131 multichip module and TANBAC VR4131DIMM"
137 depends on MACH_VR41XX
138 select CPU_LITTLE_ENDIAN
139 select DMA_NONCOHERENT
143 The TANBAC VR4131 multichip module(TB0225) and
144 the TANBAC VR4131DIMM(TB0229) are MIPS-based platforms
145 manufactured by TANBAC.
146 Please refer to <http://www.tanbac.co.jp/>
147 about VR4131 multichip module and VR4131DIMM.
150 bool "Support for TANBAC Mbase(TB0226)"
151 depends on TANBAC_TB022X
154 The TANBAC Mbase(TB0226) is a MIPS-based platform manufactured by TANBAC.
155 Please refer to <http://www.tanbac.co.jp/> about Mbase.
158 bool "Support for TANBAC Mini-ITX DIMM base(TB0287)"
159 depends on TANBAC_TB022X
161 The TANBAC Mini-ITX DIMM base(TB0287) is a MIPS-based platform manufactured by TANBAC.
162 Please refer to <http://www.tanbac.co.jp/> about Mini-ITX DIMM base.
165 bool "Support for Victor MP-C303/304"
166 depends on MACH_VR41XX
167 select CPU_LITTLE_ENDIAN
168 select DMA_NONCOHERENT
173 bool "Support for ZAO Networks Capcella"
174 depends on MACH_VR41XX
175 select CPU_LITTLE_ENDIAN
176 select DMA_NONCOHERENT
181 bool "Add PCI control unit support of NEC VR4100 series"
182 depends on MACH_VR41XX && HW_HAS_PCI
187 tristate "Add NEC VRC4173 companion chip support"
188 depends on MACH_VR41XX && PCI_VR41XX
190 The NEC VRC4173 is a companion chip for NEC VR4122/VR4131.
192 config TOSHIBA_JMR3927
193 bool "Support for Toshiba JMR-TX3927 board"
194 select DMA_NONCOHERENT
197 select SYS_SUPPORTS_32BIT_KERNEL
200 bool "Support for Cobalt Server"
201 depends on EXPERIMENTAL
202 select DMA_NONCOHERENT
206 select SYS_SUPPORTS_32BIT_KERNEL
207 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
209 config MACH_DECSTATION
210 bool "Support for DECstations"
212 select DMA_NONCOHERENT
215 select SYS_SUPPORTS_32BIT_KERNEL
216 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
218 This enables support for DEC's MIPS based workstations. For details
219 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
220 DECstation porting pages on <http://decstation.unix-ag.org/>.
222 If you have one of the following DECstation Models you definitely
223 want to choose R4xx0 for the CPU Type:
230 otherwise choose R3000.
233 bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
234 depends on EXPERIMENTAL
235 select DMA_NONCOHERENT
238 select SYS_SUPPORTS_32BIT_KERNEL
239 select SYS_SUPPORTS_64BIT_KERNEL
241 This is an evaluation board based on the Galileo GT-64120
242 single-chip system controller that contains a MIPS R5000 compatible
243 core running at 75/100MHz. Their website is located at
244 <http://www.marvell.com/>. Say Y here if you wish to build a
245 kernel for this platform.
248 bool "Enable Second PCI (PCI1)"
249 depends on MIPS_EV64120
252 bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
253 depends on EXPERIMENTAL
254 select DMA_NONCOHERENT
258 select RM7000_CPU_SCACHE
260 select SYS_SUPPORTS_32BIT_KERNEL
261 select SYS_SUPPORTS_64BIT_KERNEL
263 This is an evaluation board based on the Galileo GT-96100 LAN/WAN
264 communications controllers containing a MIPS R5000 compatible core
265 running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
266 here if you wish to build a kernel for this platform.
269 bool "Support for Globespan IVR board"
270 select DMA_NONCOHERENT
272 select SYS_SUPPORTS_32BIT_KERNEL
273 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
275 This is an evaluation board built by Globespan to showcase thir
276 iVR (Internet Video Recorder) design. It utilizes a QED RM5231
277 R5000 MIPS core. More information can be found out their website
278 located at <http://www.globespan.net/>. Say Y here if you wish to
279 build a kernel for this platform.
282 bool "Support for LASAT Networks platforms"
283 select DMA_NONCOHERENT
286 select R5000_CPU_SCACHE
287 select SYS_SUPPORTS_32BIT_KERNEL
288 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
291 tristate "PICVUE LCD display driver"
295 tristate "PICVUE LCD display driver /proc interface"
299 bool "DS1603 RTC driver"
303 bool "LASAT sysctl interface"
307 bool "Support for ITE 8172G board"
308 select DMA_NONCOHERENT
310 select SYS_SUPPORTS_32BIT_KERNEL
311 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
313 Ths is an evaluation board made by ITE <http://www.ite.com.tw/>
314 with ATX form factor that utilizes a MIPS R5000 to work with its
315 ITE8172G companion internet appliance chip. The MIPS core can be
316 either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build
317 a kernel for this platform.
320 bool "Support for older IT8172 (Rev C)"
321 depends on MIPS_ITE8172
323 Say Y here to support the older, Revision C version of the Integrated
324 Technology Express, Inc. ITE8172 SBC. Vendor page at
325 <http://www.ite.com.tw/ia/brief_it8172bsp.htm>; picture of the
326 board at <http://www.mvista.com/partners/semiconductor/ite.html>.
329 bool "Support for MIPS Atlas board"
331 select DMA_NONCOHERENT
334 select RM7000_CPU_SCACHE
336 select SYS_SUPPORTS_32BIT_KERNEL
337 select SYS_SUPPORTS_64BIT_KERNEL
339 This enables support for the MIPS Technologies Atlas evaluation
343 bool "Support for MIPS Malta board"
345 select HAVE_STD_PC_SERIAL_PORT
346 select DMA_NONCOHERENT
347 select GENERIC_ISA_DMA
352 select SYS_SUPPORTS_32BIT_KERNEL
353 select SYS_SUPPORTS_64BIT_KERNEL
355 This enables support for the MIPS Technologies Malta evaluation
359 bool "Support for MIPS SEAD board (EXPERIMENTAL)"
360 depends on EXPERIMENTAL
362 select DMA_NONCOHERENT
363 select SYS_SUPPORTS_32BIT_KERNEL
364 select SYS_SUPPORTS_64BIT_KERNEL
366 This enables support for the MIPS Technologies SEAD evaluation
369 config MOMENCO_OCELOT
370 bool "Support for Momentum Ocelot board"
371 select DMA_NONCOHERENT
376 select RM7000_CPU_SCACHE
378 select SYS_SUPPORTS_32BIT_KERNEL
379 select SYS_SUPPORTS_64BIT_KERNEL
381 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
382 Momentum Computer <http://www.momenco.com/>.
384 config MOMENCO_OCELOT_G
385 bool "Support for Momentum Ocelot-G board"
386 select DMA_NONCOHERENT
391 select RM7000_CPU_SCACHE
393 select SYS_SUPPORTS_32BIT_KERNEL
394 select SYS_SUPPORTS_64BIT_KERNEL
396 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
397 Momentum Computer <http://www.momenco.com/>.
399 config MOMENCO_OCELOT_C
400 bool "Support for Momentum Ocelot-C board"
401 select DMA_NONCOHERENT
406 select RM7000_CPU_SCACHE
408 select SYS_SUPPORTS_32BIT_KERNEL
409 select SYS_SUPPORTS_64BIT_KERNEL
411 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
412 Momentum Computer <http://www.momenco.com/>.
414 config MOMENCO_OCELOT_3
415 bool "Support for Momentum Ocelot-3 board"
417 select DMA_NONCOHERENT
423 select RM7000_CPU_SCACHE
425 select SYS_SUPPORTS_32BIT_KERNEL
426 select SYS_SUPPORTS_64BIT_KERNEL
428 The Ocelot-3 is based off Discovery III System Controller and
429 PMC-Sierra Rm79000 core.
431 config MOMENCO_JAGUAR_ATX
432 bool "Support for Momentum Jaguar board"
434 select DMA_NONCOHERENT
441 select RM7000_CPU_SCACHE
443 select SYS_SUPPORTS_32BIT_KERNEL
444 select SYS_SUPPORTS_64BIT_KERNEL
446 The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
447 Momentum Computer <http://www.momenco.com/>.
451 depends on MOMENCO_JAGUAR_ATX
453 Select to Y if jump JP5 is set on your board, N otherwise. Normally
454 the jumper is set, so if you feel unsafe, just say Y.
457 bool "Support for PMC-Sierra Yosemite eval board"
464 select SYS_SUPPORTS_32BIT_KERNEL
465 select SYS_SUPPORTS_64BIT_KERNEL
467 Yosemite is an evaluation board for the RM9000x2 processor
468 manufactured by PMC-Sierra
470 config HYPERTRANSPORT
471 bool "Hypertransport Support for PMC-Sierra Yosemite"
472 depends on PMC_YOSEMITE
475 bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
476 depends on EXPERIMENTAL
477 select DMA_NONCOHERENT
478 select HAVE_STD_PC_SERIAL_PORT
483 select SYS_SUPPORTS_32BIT_KERNEL
484 select SYS_SUPPORTS_64BIT_KERNEL
486 This enables support for the VR5000-based NEC DDB Vrc-5074
490 bool "Support for NEC DDB Vrc-5476"
491 select DMA_NONCOHERENT
492 select HAVE_STD_PC_SERIAL_PORT
497 select SYS_SUPPORTS_32BIT_KERNEL
498 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
500 This enables support for the R5432-based NEC DDB Vrc-5476
503 Features : kernel debugging, serial terminal, NFS root fs, on-board
504 ether port USB, AC97, PCI, PCI VGA card & framebuffer console,
505 IDE controller, PS2 keyboard, PS2 mouse, etc.
508 bool "Support for NEC DDB Vrc-5477"
509 select DMA_NONCOHERENT
513 select SYS_SUPPORTS_32BIT_KERNEL
514 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
516 This enables support for the R5432-based NEC DDB Vrc-5477,
517 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
519 Features : kernel debugging, serial terminal, NFS root fs, on-board
520 ether port USB, AC97, PCI, etc.
522 config DDB5477_BUS_FREQUENCY
523 int "bus frequency (in kHZ, 0 for auto-detect)"
528 bool "Support for Qemu"
530 select GENERIC_ISA_DMA
531 select HAVE_STD_PC_SERIAL_PORT
535 select SYS_SUPPORTS_32BIT_KERNEL
536 select SYS_SUPPORTS_BIG_ENDIAN
538 Qemu is a software emulator which among other architectures also
539 can simulate a MIPS32 4Kc system. This patch adds support for the
540 system architecture that currently is being simulated by Qemu. It
541 will eventually be removed again when Qemu has the capability to
542 simulate actual MIPS hardware platforms. More information on Qemu
543 can be found at http://www.linux-mips.org/wiki/Qemu.
546 bool "Support for SGI IP22 (Indy/Indigo2)"
550 select DMA_NONCOHERENT
551 select IP22_CPU_SCACHE
554 select SYS_SUPPORTS_32BIT_KERNEL
555 select SYS_SUPPORTS_64BIT_KERNEL
557 This are the SGI Indy, Challenge S and Indigo2, as well as certain
558 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
559 that runs on these, say Y here.
562 bool "Support for SGI IP27 (Origin200/2000)"
568 select SYS_SUPPORTS_64BIT_KERNEL
570 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
571 workstations. To compile a Linux kernel that runs on these, say Y
576 # depends on SGI_IP27
577 # This options adds support for userspace processes upto 16TB size.
578 # Normally the limit is just .5TB.
580 config SGI_SN0_N_MODE
584 The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
585 configured in either N-Modes which allows for more nodes or M-Mode
586 which allows for more memory. Your system is most probably
587 running in M-Mode, so you should say N here.
589 config ARCH_DISCONTIGMEM_ENABLE
591 default y if SGI_IP27
593 Say Y to upport efficient handling of discontiguous physical memory,
594 for architectures which are either NUMA (Non-Uniform Memory Access)
595 or have huge holes in the physical address space for other reasons.
596 See <file:Documentation/vm/numa> for more.
602 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
603 Access). This option is for configuring high-end multiprocessor
604 server machines. If in doubt, say N.
607 bool "Mapped kernel support"
610 Change the way a Linux kernel is loaded into memory on a MIPS64
611 machine. This is required in order to support text replication and
612 NUMA. If you need to understand it, read the source code.
614 config REPLICATE_KTEXT
615 bool "Kernel text replication support"
618 Say Y here to enable replicating the kernel text across multiple
619 nodes in a NUMA cluster. This trades memory for speed.
621 config REPLICATE_EXHANDLERS
622 bool "Exception handler replication support"
625 Say Y here to enable replicating the kernel exception handlers
626 across multiple nodes in a NUMA cluster. This trades memory for
630 bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
631 depends on EXPERIMENTAL
637 select DMA_NONCOHERENT
638 select HAS_TXX9_SERIAL
640 select R5000_CPU_SCACHE
641 select RM7000_CPU_SCACHE
642 select SYS_SUPPORTS_64BIT_KERNEL
644 If you want this kernel to run on SGI O2 workstation, say Y here.
651 bool "Support for AMD/Alchemy Au1X00 SOCs"
652 select SYS_SUPPORTS_32BIT_KERNEL
655 prompt "Au1X00 SOC Type"
656 depends on SOC_AU1X00
658 Say Y here to enable support for one of three AMD/Alchemy
659 SOCs. For additional documentation see www.amd.com.
673 prompt "AMD/Alchemy Au1x00 board support"
674 depends on SOC_AU1X00
676 These are evaluation boards built by AMD/Alchemy to
677 showcase their Au1X00 Internet Edge Processors. The SOC design
678 is based on the MIPS32 architecture running at 266/400/500MHz
679 with many integrated peripherals. Further information can be
680 found at their website, <http://www.amd.com/>. Say Y here if you
681 wish to build a kernel for this platform.
685 depends on SOC_AU1000
686 select DMA_NONCOHERENT
692 depends on SOC_AU1100
693 select DMA_NONCOHERENT
699 depends on SOC_AU1500
700 select DMA_NONCOHERENT
705 depends on SOC_AU1550
708 select MIPS_DISABLE_OBSOLETE_IDE
711 bool "AMD Alchemy PB1200 board"
713 select DMA_NONCOHERENT
714 select MIPS_DISABLE_OBSOLETE_IDE
715 select SYS_SUPPORTS_BIG_ENDIAN
716 select SYS_SUPPORTS_LITTLE_ENDIAN
720 depends on SOC_AU1000
721 select DMA_NONCOHERENT
726 depends on SOC_AU1100
727 select DMA_NONCOHERENT
731 depends on SOC_AU1500
732 select DMA_NONCOHERENT
734 select MIPS_DISABLE_OBSOLETE_IDE
738 depends on SOC_AU1550
740 select DMA_NONCOHERENT
741 select MIPS_DISABLE_OBSOLETE_IDE
744 bool "Bosporus board"
745 depends on SOC_AU1500
746 select DMA_NONCOHERENT
749 bool "AMD Alchemy DB1200 board"
751 select DMA_NONCOHERENT
752 select MIPS_DISABLE_OBSOLETE_IDE
753 select SYS_SUPPORTS_LITTLE_ENDIAN
757 depends on SOC_AU1500
758 select DMA_NONCOHERENT
761 bool "MyCable XXS1500 board"
762 depends on SOC_AU1500
763 select DMA_NONCOHERENT
766 bool "4G Systems MTX-1 board"
767 depends on SOC_AU1500
769 select DMA_NONCOHERENT
774 bool "Support for SNI RM200 PCI"
778 select DMA_NONCOHERENT
779 select GENERIC_ISA_DMA
780 select HAVE_STD_PC_SERIAL_PORT
784 select SYS_SUPPORTS_32BIT_KERNEL
785 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
787 The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
788 Nixdorf Informationssysteme (SNI), parent company of Pyramid
789 Technology and now in turn merged with Fujitsu. Say Y here to
790 support this machine type.
792 config TOSHIBA_RBTX4927
793 bool "Support for Toshiba TBTX49[23]7 board"
794 select DMA_NONCOHERENT
795 select HAS_TXX9_SERIAL
800 select SYS_SUPPORTS_32BIT_KERNEL
801 select SYS_SUPPORTS_64BIT_KERNEL
803 This Toshiba board is based on the TX4927 processor. Say Y here to
804 support this machine type
806 config TOSHIBA_FPCIB0
807 bool "FPCIB0 Backplane Support"
808 depends on TOSHIBA_RBTX4927
810 source "arch/mips/sgi-ip27/Kconfig"
811 source "arch/mips/sibyte/Kconfig"
813 config RWSEM_GENERIC_SPINLOCK
817 config RWSEM_XCHGADD_ALGORITHM
819 select HAS_TXX9_SERIAL
821 config GENERIC_CALIBRATE_DELAY
826 # Select some configuration options automatically based on user selections.
830 depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
841 select DMA_NEED_PCI_MAP_STATE
843 config DMA_NONCOHERENT
845 select DMA_NEED_PCI_MAP_STATE
847 config DMA_NEED_PCI_MAP_STATE
852 depends on MACH_DECSTATION
855 config GENERIC_ISA_DMA
857 depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
862 depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
871 depends on MIPS_ATLAS || MIPS_MALTA
876 depends on MIPS_ATLAS || MIPS_MALTA
884 config MIPS_DISABLE_OBSOLETE_IDE
887 config CPU_LITTLE_ENDIAN
888 bool "Generate little endian code"
889 default y if ACER_PICA_61 || CASIO_E55 || DDB5074 || DDB5476 || DDB5477 || MACH_DECSTATION || IBM_WORKPAD || LASAT || MIPS_COBALT || MIPS_ITE8172 || MIPS_IVR || SOC_AU1X00 || OLIVETTI_M700 || SNI_RM200_PCI || VICTOR_MPC30X || ZAO_CAPCELLA
890 default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
892 Some MIPS machines can be configured for either little or big endian
893 byte order. These modes require different kernels. Say Y if your
894 machine is little endian, N if it's a big endian machine.
905 config DDB5XXX_COMMON
907 depends on DDB5074 || DDB5476 || DDB5477
910 config MIPS_BOARDS_GEN
912 depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
917 depends on MIPS_COBALT
922 depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
927 depends on TOSHIBA_JMR3927
928 select HAS_TXX9_SERIAL
936 depends on MIPS_IVR || MIPS_ITE8172
943 # Unfortunately not all GT64120 systems run the chip at the same clock.
944 # As the user for the clock rate and try to minimize the available options.
947 prompt "Galileo Chip Clock"
948 #default SYSCLK_83 if MIPS_EV64120
949 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
950 default SYSCLK_83 if MIPS_EV64120
951 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
954 bool "75" if MIPS_EV64120
957 bool "83.3" if MIPS_EV64120
960 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
964 config AU1X00_USB_DEVICE
966 depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
971 depends on MIPS_EV96100
974 Say Y here to support the Galileo Technology GT96100 communications
975 controller card. There is a web page at <http://www.galileot.com/>.
979 depends on MIPS_ITE8172 || MIPS_IVR
984 depends on MIPS_ITE8172
989 depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
992 config MIPS_L1_CACHE_SHIFT
994 default "4" if MACH_DECSTATION
995 default "7" if SGI_IP27
1000 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1003 config HAVE_STD_PC_SERIAL_PORT
1007 bool "ARC console support"
1008 depends on SGI_IP22 || SNI_RM200_PCI
1012 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
1017 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1030 #config MAPPED_PCI_IO y
1032 # depends on SGI_IP27
1040 config TOSHIBA_BOARDS
1042 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1047 menu "CPU selection"
1055 select CPU_SUPPORTS_32BIT_KERNEL
1059 select CPU_SUPPORTS_32BIT_KERNEL
1060 select CPU_SUPPORTS_64BIT_KERNEL
1064 select CPU_SUPPORTS_32BIT_KERNEL
1066 Please make sure to pick the right CPU type. Linux/MIPS is not
1067 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1068 *not* work on R4000 machines and vice versa. However, since most
1069 of the supported machines have an R4000 (or similar) CPU, R4x00
1070 might be a safe bet. If the resulting kernel does not work,
1071 try to recompile with R3000.
1075 select CPU_SUPPORTS_32BIT_KERNEL
1079 select CPU_SUPPORTS_32BIT_KERNEL
1080 select CPU_SUPPORTS_64BIT_KERNEL
1082 The options selects support for the NEC VR41xx series of processors.
1083 Only choose this option if you have one of these processors as a
1084 kernel built with this option will not run on any other type of
1085 processor or vice versa.
1089 select CPU_SUPPORTS_32BIT_KERNEL
1090 select CPU_SUPPORTS_64BIT_KERNEL
1092 MIPS Technologies R4300-series processors.
1096 select CPU_SUPPORTS_32BIT_KERNEL
1097 select CPU_SUPPORTS_64BIT_KERNEL
1099 MIPS Technologies R4000-series processors other than 4300, including
1100 the R4000, R4400, R4600, and 4700.
1104 select CPU_SUPPORTS_32BIT_KERNEL
1105 select CPU_SUPPORTS_64BIT_KERNEL
1109 select CPU_SUPPORTS_32BIT_KERNEL
1110 select CPU_SUPPORTS_64BIT_KERNEL
1112 MIPS Technologies R5000-series processors other than the Nevada.
1119 depends on EXPERIMENTAL
1120 select CPU_SUPPORTS_32BIT_KERNEL
1122 MIPS Technologies R6000 and R6000A series processors. Note these
1123 processors are extremly rare and the support for them is incomplete.
1127 select CPU_SUPPORTS_32BIT_KERNEL
1128 select CPU_SUPPORTS_64BIT_KERNEL
1130 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1134 depends on EXPERIMENTAL
1135 select CPU_SUPPORTS_64BIT_KERNEL
1137 MIPS Technologies R8000 processors. Note these processors are
1138 uncommon and the support for them is incomplete.
1142 select CPU_SUPPORTS_32BIT_KERNEL
1143 select CPU_SUPPORTS_64BIT_KERNEL
1145 MIPS Technologies R10000-series processors.
1149 select CPU_SUPPORTS_32BIT_KERNEL
1150 select CPU_SUPPORTS_64BIT_KERNEL
1154 select CPU_SUPPORTS_32BIT_KERNEL
1155 select CPU_SUPPORTS_64BIT_KERNEL
1159 select CPU_SUPPORTS_32BIT_KERNEL
1160 select CPU_SUPPORTS_64BIT_KERNEL
1165 prompt "Kernel page size"
1166 default PAGE_SIZE_4KB
1168 config PAGE_SIZE_4KB
1171 This option select the standard 4kB Linux page size. On some
1172 R3000-family processors this is the only available page size. Using
1173 4kB page size will minimize memory consumption and is therefore
1174 recommended for low memory systems.
1176 config PAGE_SIZE_8KB
1178 depends on EXPERIMENTAL && CPU_R8000
1180 Using 8kB page size will result in higher performance kernel at
1181 the price of higher memory consumption. This option is available
1182 only on the R8000 processor. Not that at the time of this writing
1183 this option is still high experimental; there are also issues with
1184 compatibility of user applications.
1186 config PAGE_SIZE_16KB
1188 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1190 Using 16kB page size will result in higher performance kernel at
1191 the price of higher memory consumption. This option is available on
1192 all non-R3000 family processor. Not that at the time of this
1193 writing this option is still high experimental; there are also
1194 issues with compatibility of user applications.
1196 config PAGE_SIZE_64KB
1198 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1200 Using 64kB page size will result in higher performance kernel at
1201 the price of higher memory consumption. This option is available on
1202 all non-R3000 family processor. Not that at the time of this
1203 writing this option is still high experimental; there are also
1204 issues with compatibility of user applications.
1211 config IP22_CPU_SCACHE
1215 config R5000_CPU_SCACHE
1219 config RM7000_CPU_SCACHE
1223 config SIBYTE_DMA_PAGEOPS
1224 bool "Use DMA to clear/copy pages"
1227 Instead of using the CPU to zero and copy pages, use a Data Mover
1228 channel. These DMA channels are otherwise unused by the standard
1229 SiByte Linux port. Seems to give a small performance benefit.
1231 config CPU_HAS_PREFETCH
1232 bool "Enable prefetches" if CPU_SB1 && !CPU_SB1_PASS_2
1233 default y if CPU_MIPS32 || CPU_MIPS64 || CPU_RM7000 || CPU_RM9000 || CPU_R10000
1236 bool "Support for Virtual Tagged I-cache" if CPU_MIPS64 || CPU_MIPS32
1237 default y if CPU_SB1
1239 config SB1_PASS_1_WORKAROUNDS
1241 depends on CPU_SB1_PASS_1
1244 config SB1_PASS_2_WORKAROUNDS
1246 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1249 config SB1_PASS_2_1_WORKAROUNDS
1251 depends on CPU_SB1 && CPU_SB1_PASS_2
1254 config 64BIT_PHYS_ADDR
1255 bool "Support for 64-bit physical address space"
1256 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
1259 bool "Override CPU Options"
1262 Saying yes here allows you to select support for various features
1263 your CPU may or may not have. Most people should say N here.
1266 bool "ll/sc Instructions available" if CPU_ADVANCED
1267 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
1269 MIPS R4000 series and later provide the Load Linked (ll)
1270 and Store Conditional (sc) instructions. More information is
1271 available at <http://www.go-ecs.com/mips/miptek1.htm>.
1273 Say Y here if your CPU has the ll and sc instructions. Say Y here
1274 for better performance, N if you don't know. You must say Y here
1275 for multiprocessor machines.
1277 config CPU_HAS_LLDSCD
1278 bool "lld/scd Instructions available" if CPU_ADVANCED
1279 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32
1281 Say Y here if your CPU has the lld and scd instructions, the 64-bit
1282 equivalents of ll and sc. Say Y here for better performance, N if
1283 you don't know. You must say Y here for multiprocessor machines.
1286 bool "Writeback Buffer available" if CPU_ADVANCED
1287 default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
1289 Say N here for slightly better performance. You must say Y here for
1290 machines which require flushing of write buffers in software. Saying
1291 Y is the safe option; N may result in kernel malfunction and crashes.
1295 depends on !CPU_R3000
1299 # - Highmem only makes sense for the 32-bit kernel.
1300 # - The current highmem code will only work properly on physically indexed
1301 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1302 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1303 # moment we protect the user and offer the highmem option only on machines
1304 # where it's known to be safe. This will not offer highmem on a few systems
1305 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1306 # indexed CPUs but we're playing safe.
1307 # - We should not offer highmem for system of which we already know that they
1308 # don't have memory configurations that could gain from highmem support in
1309 # the kernel because they don't support configurations with RAM at physical
1310 # addresses > 0x20000000.
1313 bool "High Memory Support"
1314 depends on 32BIT && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
1316 config ARCH_FLATMEM_ENABLE
1323 bool "Multi-Processing support"
1324 depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27
1326 This enables support for systems with more than one CPU. If you have
1327 a system with only one CPU, like most personal computers, say N. If
1328 you have a system with more than one CPU, say Y.
1330 If you say N here, the kernel will run on single and multiprocessor
1331 machines, but will use only one CPU of a multiprocessor machine. If
1332 you say Y here, the kernel will run on many, but not all,
1333 singleprocessor machines. On a singleprocessor machine, the kernel
1334 will run faster if you say N here.
1336 People using multiprocessor machines who say Y here should also say
1337 Y to "Enhanced Real Time Clock Support", below.
1339 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1340 available at <http://www.tldp.org/docs.html#howto>.
1342 If you don't know what to do here, say N.
1345 int "Maximum number of CPUs (2-64)"
1348 default "64" if SGI_IP27
1351 This allows you to specify the maximum number of CPUs which this
1352 kernel will support. The maximum supported value is 32 for 32-bit
1353 kernel and 64 for 64-bit kernels; the minimum value which makes
1356 This is purely to save memory - each supported CPU adds
1357 approximately eight kilobytes to the kernel image.
1360 bool "Preemptible Kernel"
1362 This option reduces the latency of the kernel when reacting to
1363 real-time or interactive events by allowing a low priority process to
1364 be preempted even if it is in kernel mode executing a system call.
1365 This allows applications to run more reliably even when the system is
1369 bool "DS1742 BRAM/RTC support"
1370 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1372 config MIPS_INSANE_LARGE
1373 bool "Support for large 64-bit configurations"
1374 depends on CPU_R10000 && 64BIT
1376 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1377 previous 64-bit processors which only supported 40 bit / 1TB. If you
1378 need processes of more than 1TB virtual address space, say Y here.
1379 This will result in additional memory usage, so it is not
1380 recommended for normal users.
1382 config RWSEM_GENERIC_SPINLOCK
1388 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1394 bool "Support for PCI controller"
1395 depends on HW_HAS_PCI
1397 Find out whether you have a PCI motherboard. PCI is the name of a
1398 bus system, i.e. the way the CPU talks to the other stuff inside
1399 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1402 The PCI-HOWTO, available from
1403 <http://www.tldp.org/docs.html#howto>, contains valuable
1404 information about which PCI hardware does work under Linux and which
1411 source "drivers/pci/Kconfig"
1414 # ISA support is now enabled via select. Too many systems still have the one
1415 # or other ISA chip on the board that users don't know about so don't expect
1416 # users to choose the right thing ...
1423 depends on SGI_IP22 || SNI_RM200_PCI
1426 The Extended Industry Standard Architecture (EISA) bus was
1427 developed as an open alternative to the IBM MicroChannel bus.
1429 The EISA bus provided some of the features of the IBM MicroChannel
1430 bus while maintaining backward compatibility with cards made for
1431 the older ISA bus. The EISA bus saw limited use between 1988 and
1432 1995 when it was made obsolete by the PCI bus.
1434 Say Y here if you are building a kernel for an EISA-based machine.
1438 source "drivers/eisa/Kconfig"
1441 bool "TURBOchannel support"
1442 depends on MACH_DECSTATION
1444 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1445 processors. Documentation on writing device drivers for TurboChannel
1447 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1450 # bool "Access.Bus support"
1463 source "drivers/pcmcia/Kconfig"
1465 source "drivers/pci/hotplug/Kconfig"
1469 menu "Executable file formats"
1471 source "fs/Kconfig.binfmt"
1478 bool "Use 64-bit ELF format for building"
1481 A 64-bit kernel is usually built using the 64-bit ELF binary object
1482 format as it's one that allows arbitrary 64-bit constructs. For
1483 kernels that are loaded within the KSEG compatibility segments the
1484 32-bit ELF format can optionally be used resulting in a somewhat
1485 smaller binary, but this option is not explicitly supported by the
1486 toolchain and since binutils 2.14 it does not even work at all.
1488 Say Y to use the 64-bit format or N to use the 32-bit one.
1493 bool "Include IRIX binary compatibility"
1494 depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN
1496 config MIPS32_COMPAT
1497 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1500 Select this option if you want Linux/MIPS 32-bit binary
1501 compatibility. Since all software available for Linux/MIPS is
1502 currently 32-bit you should say Y here.
1506 depends on MIPS32_COMPAT
1510 bool "Kernel support for o32 binaries"
1511 depends on MIPS32_COMPAT
1513 Select this option if you want to run o32 binaries. These are pure
1514 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1515 existing binaries are in this format.
1520 bool "Kernel support for n32 binaries"
1521 depends on MIPS32_COMPAT
1523 Select this option if you want to run n32 binaries. These are
1524 64-bit binaries using 32-bit quantities for addressing and certain
1525 data that would normally be 64-bit. They are used in special
1532 default y if MIPS32_O32 || MIPS32_N32
1535 bool "Enable seccomp to safely compute untrusted bytecode"
1536 depends on PROC_FS && BROKEN
1539 This kernel feature is useful for number crunching applications
1540 that may need to compute untrusted bytecode during their
1541 execution. By using pipes or other transports made available to
1542 the process as file descriptors supporting the read/write
1543 syscalls, it's possible to isolate those applications in
1544 their own address space using seccomp. Once seccomp is
1545 enabled via /proc/<pid>/seccomp, it cannot be disabled
1546 and the task is only allowed to execute a few safe syscalls
1547 defined by each seccomp mode.
1549 If unsure, say Y. Only embedded should say N here.
1552 bool "Power Management support (EXPERIMENTAL)"
1553 depends on EXPERIMENTAL && MACH_AU1X00
1557 source "net/Kconfig"
1559 source "drivers/Kconfig"
1563 source "arch/mips/Kconfig.debug"
1565 source "security/Kconfig"
1567 source "crypto/Kconfig"
1569 source "lib/Kconfig"
1572 # Use the generic interrupt handling code in kernel/irq/:
1574 config GENERIC_HARDIRQS
1578 config GENERIC_IRQ_PROBE