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
351 select RM7000_CPU_SCACHE
353 select SYS_SUPPORTS_32BIT_KERNEL
354 select SYS_SUPPORTS_64BIT_KERNEL
356 This enables support for the MIPS Technologies Malta evaluation
360 bool "Support for MIPS SEAD board (EXPERIMENTAL)"
361 depends on EXPERIMENTAL
363 select DMA_NONCOHERENT
364 select SYS_SUPPORTS_32BIT_KERNEL
365 select SYS_SUPPORTS_64BIT_KERNEL
367 This enables support for the MIPS Technologies SEAD evaluation
370 config MOMENCO_OCELOT
371 bool "Support for Momentum Ocelot board"
372 select DMA_NONCOHERENT
377 select RM7000_CPU_SCACHE
379 select SYS_SUPPORTS_32BIT_KERNEL
380 select SYS_SUPPORTS_64BIT_KERNEL
382 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
383 Momentum Computer <http://www.momenco.com/>.
385 config MOMENCO_OCELOT_G
386 bool "Support for Momentum Ocelot-G board"
387 select DMA_NONCOHERENT
392 select RM7000_CPU_SCACHE
394 select SYS_SUPPORTS_32BIT_KERNEL
395 select SYS_SUPPORTS_64BIT_KERNEL
397 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
398 Momentum Computer <http://www.momenco.com/>.
400 config MOMENCO_OCELOT_C
401 bool "Support for Momentum Ocelot-C board"
402 select DMA_NONCOHERENT
407 select RM7000_CPU_SCACHE
409 select SYS_SUPPORTS_32BIT_KERNEL
410 select SYS_SUPPORTS_64BIT_KERNEL
412 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
413 Momentum Computer <http://www.momenco.com/>.
415 config MOMENCO_OCELOT_3
416 bool "Support for Momentum Ocelot-3 board"
418 select DMA_NONCOHERENT
424 select RM7000_CPU_SCACHE
426 select SYS_SUPPORTS_32BIT_KERNEL
427 select SYS_SUPPORTS_64BIT_KERNEL
429 The Ocelot-3 is based off Discovery III System Controller and
430 PMC-Sierra Rm79000 core.
432 config MOMENCO_JAGUAR_ATX
433 bool "Support for Momentum Jaguar board"
435 select DMA_NONCOHERENT
442 select RM7000_CPU_SCACHE
444 select SYS_SUPPORTS_32BIT_KERNEL
445 select SYS_SUPPORTS_64BIT_KERNEL
447 The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
448 Momentum Computer <http://www.momenco.com/>.
452 depends on MOMENCO_JAGUAR_ATX
454 Select to Y if jump JP5 is set on your board, N otherwise. Normally
455 the jumper is set, so if you feel unsafe, just say Y.
458 bool "Support for PMC-Sierra Yosemite eval board"
465 select SYS_SUPPORTS_32BIT_KERNEL
466 select SYS_SUPPORTS_64BIT_KERNEL
468 Yosemite is an evaluation board for the RM9000x2 processor
469 manufactured by PMC-Sierra
471 config HYPERTRANSPORT
472 bool "Hypertransport Support for PMC-Sierra Yosemite"
473 depends on PMC_YOSEMITE
476 bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
477 depends on EXPERIMENTAL
478 select DMA_NONCOHERENT
479 select HAVE_STD_PC_SERIAL_PORT
484 select SYS_SUPPORTS_32BIT_KERNEL
485 select SYS_SUPPORTS_64BIT_KERNEL
487 This enables support for the VR5000-based NEC DDB Vrc-5074
491 bool "Support for NEC DDB Vrc-5476"
492 select DMA_NONCOHERENT
493 select HAVE_STD_PC_SERIAL_PORT
498 select SYS_SUPPORTS_32BIT_KERNEL
499 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
501 This enables support for the R5432-based NEC DDB Vrc-5476
504 Features : kernel debugging, serial terminal, NFS root fs, on-board
505 ether port USB, AC97, PCI, PCI VGA card & framebuffer console,
506 IDE controller, PS2 keyboard, PS2 mouse, etc.
509 bool "Support for NEC DDB Vrc-5477"
510 select DMA_NONCOHERENT
514 select SYS_SUPPORTS_32BIT_KERNEL
515 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
517 This enables support for the R5432-based NEC DDB Vrc-5477,
518 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
520 Features : kernel debugging, serial terminal, NFS root fs, on-board
521 ether port USB, AC97, PCI, etc.
523 config DDB5477_BUS_FREQUENCY
524 int "bus frequency (in kHZ, 0 for auto-detect)"
529 bool "Support for Qemu"
531 select GENERIC_ISA_DMA
532 select HAVE_STD_PC_SERIAL_PORT
536 select SYS_SUPPORTS_32BIT_KERNEL
537 select SYS_SUPPORTS_BIG_ENDIAN
539 Qemu is a software emulator which among other architectures also
540 can simulate a MIPS32 4Kc system. This patch adds support for the
541 system architecture that currently is being simulated by Qemu. It
542 will eventually be removed again when Qemu has the capability to
543 simulate actual MIPS hardware platforms. More information on Qemu
544 can be found at http://www.linux-mips.org/wiki/Qemu.
547 bool "Support for SGI IP22 (Indy/Indigo2)"
551 select DMA_NONCOHERENT
552 select IP22_CPU_SCACHE
555 select SYS_SUPPORTS_32BIT_KERNEL
556 select SYS_SUPPORTS_64BIT_KERNEL
558 This are the SGI Indy, Challenge S and Indigo2, as well as certain
559 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
560 that runs on these, say Y here.
563 bool "Support for SGI IP27 (Origin200/2000)"
569 select SYS_SUPPORTS_64BIT_KERNEL
571 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
572 workstations. To compile a Linux kernel that runs on these, say Y
577 # depends on SGI_IP27
578 # This options adds support for userspace processes upto 16TB size.
579 # Normally the limit is just .5TB.
581 config SGI_SN0_N_MODE
585 The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
586 configured in either N-Modes which allows for more nodes or M-Mode
587 which allows for more memory. Your system is most probably
588 running in M-Mode, so you should say N here.
590 config ARCH_DISCONTIGMEM_ENABLE
592 default y if SGI_IP27
594 Say Y to upport efficient handling of discontiguous physical memory,
595 for architectures which are either NUMA (Non-Uniform Memory Access)
596 or have huge holes in the physical address space for other reasons.
597 See <file:Documentation/vm/numa> for more.
603 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
604 Access). This option is for configuring high-end multiprocessor
605 server machines. If in doubt, say N.
608 bool "Mapped kernel support"
611 Change the way a Linux kernel is loaded into memory on a MIPS64
612 machine. This is required in order to support text replication and
613 NUMA. If you need to understand it, read the source code.
615 config REPLICATE_KTEXT
616 bool "Kernel text replication support"
619 Say Y here to enable replicating the kernel text across multiple
620 nodes in a NUMA cluster. This trades memory for speed.
622 config REPLICATE_EXHANDLERS
623 bool "Exception handler replication support"
626 Say Y here to enable replicating the kernel exception handlers
627 across multiple nodes in a NUMA cluster. This trades memory for
631 bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
632 depends on EXPERIMENTAL
638 select DMA_NONCOHERENT
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.
647 bool "Support for AMD/Alchemy Au1X00 SOCs"
648 select SYS_SUPPORTS_32BIT_KERNEL
651 prompt "Au1X00 SOC Type"
652 depends on SOC_AU1X00
654 Say Y here to enable support for one of three AMD/Alchemy
655 SOCs. For additional documentation see www.amd.com.
669 prompt "AMD/Alchemy Au1x00 board support"
670 depends on SOC_AU1X00
672 These are evaluation boards built by AMD/Alchemy to
673 showcase their Au1X00 Internet Edge Processors. The SOC design
674 is based on the MIPS32 architecture running at 266/400/500MHz
675 with many integrated peripherals. Further information can be
676 found at their website, <http://www.amd.com/>. Say Y here if you
677 wish to build a kernel for this platform.
681 depends on SOC_AU1000
682 select DMA_NONCOHERENT
688 depends on SOC_AU1100
689 select DMA_NONCOHERENT
695 depends on SOC_AU1500
701 depends on SOC_AU1550
704 select MIPS_DISABLE_OBSOLETE_IDE
708 depends on SOC_AU1000
709 select DMA_NONCOHERENT
714 depends on SOC_AU1100
715 select DMA_NONCOHERENT
719 depends on SOC_AU1500
722 select MIPS_DISABLE_OBSOLETE_IDE
726 depends on SOC_AU1550
729 select MIPS_DISABLE_OBSOLETE_IDE
732 bool "Bosporus board"
733 depends on SOC_AU1500
734 select DMA_NONCOHERENT
738 depends on SOC_AU1500
739 select DMA_NONCOHERENT
742 bool "MyCable XXS1500 board"
743 depends on SOC_AU1500
744 select DMA_NONCOHERENT
747 bool "4G Systems MTX-1 board"
748 depends on SOC_AU1500
750 select DMA_NONCOHERENT
755 bool "Support for SNI RM200 PCI"
759 select DMA_NONCOHERENT
760 select GENERIC_ISA_DMA
761 select HAVE_STD_PC_SERIAL_PORT
765 select SYS_SUPPORTS_32BIT_KERNEL
766 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
768 The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
769 Nixdorf Informationssysteme (SNI), parent company of Pyramid
770 Technology and now in turn merged with Fujitsu. Say Y here to
771 support this machine type.
773 config TOSHIBA_RBTX4927
774 bool "Support for Toshiba TBTX49[23]7 board"
775 select DMA_NONCOHERENT
776 select HAS_TXX9_SERIAL
781 select SYS_SUPPORTS_32BIT_KERNEL
782 select SYS_SUPPORTS_64BIT_KERNEL
784 This Toshiba board is based on the TX4927 processor. Say Y here to
785 support this machine type
787 config TOSHIBA_FPCIB0
788 bool "FPCIB0 Backplane Support"
789 depends on TOSHIBA_RBTX4927
791 source "arch/mips/sgi-ip27/Kconfig"
792 source "arch/mips/sibyte/Kconfig"
794 config RWSEM_GENERIC_SPINLOCK
798 config RWSEM_XCHGADD_ALGORITHM
801 config GENERIC_CALIBRATE_DELAY
806 # Select some configuration options automatically based on user selections.
810 depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
821 select DMA_NEED_PCI_MAP_STATE
823 config DMA_NONCOHERENT
825 select DMA_NEED_PCI_MAP_STATE
827 config DMA_NEED_PCI_MAP_STATE
832 depends on MACH_DECSTATION
835 config GENERIC_ISA_DMA
837 depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
842 depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
851 depends on MIPS_ATLAS || MIPS_MALTA
856 depends on MIPS_ATLAS || MIPS_MALTA
864 config MIPS_DISABLE_OBSOLETE_IDE
867 config CPU_LITTLE_ENDIAN
868 bool "Generate little endian code"
869 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
870 default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
872 Some MIPS machines can be configured for either little or big endian
873 byte order. These modes require different kernels. Say Y if your
874 machine is little endian, N if it's a big endian machine.
885 config DDB5XXX_COMMON
887 depends on DDB5074 || DDB5476 || DDB5477
890 config MIPS_BOARDS_GEN
892 depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
897 depends on MIPS_COBALT
902 depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
907 depends on TOSHIBA_JMR3927
908 select HAS_TXX9_SERIAL
916 depends on MIPS_IVR || MIPS_ITE8172
923 # Unfortunately not all GT64120 systems run the chip at the same clock.
924 # As the user for the clock rate and try to minimize the available options.
927 prompt "Galileo Chip Clock"
928 #default SYSCLK_83 if MIPS_EV64120
929 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
930 default SYSCLK_83 if MIPS_EV64120
931 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
934 bool "75" if MIPS_EV64120
937 bool "83.3" if MIPS_EV64120
940 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
944 config AU1X00_USB_DEVICE
946 depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
951 depends on MIPS_EV96100
954 Say Y here to support the Galileo Technology GT96100 communications
955 controller card. There is a web page at <http://www.galileot.com/>.
959 depends on MIPS_ITE8172 || MIPS_IVR
964 depends on MIPS_ITE8172
969 depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
972 config MIPS_L1_CACHE_SHIFT
974 default "4" if MACH_DECSTATION
975 default "7" if SGI_IP27
980 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
983 config HAVE_STD_PC_SERIAL_PORT
987 bool "ARC console support"
988 depends on SGI_IP22 || SNI_RM200_PCI
992 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
997 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1010 #config MAPPED_PCI_IO y
1012 # depends on SGI_IP27
1020 config TOSHIBA_BOARDS
1022 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1027 menu "CPU selection"
1035 select CPU_SUPPORTS_32BIT_KERNEL
1039 select CPU_SUPPORTS_32BIT_KERNEL
1040 select CPU_SUPPORTS_64BIT_KERNEL
1044 select CPU_SUPPORTS_32BIT_KERNEL
1046 Please make sure to pick the right CPU type. Linux/MIPS is not
1047 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1048 *not* work on R4000 machines and vice versa. However, since most
1049 of the supported machines have an R4000 (or similar) CPU, R4x00
1050 might be a safe bet. If the resulting kernel does not work,
1051 try to recompile with R3000.
1055 select CPU_SUPPORTS_32BIT_KERNEL
1059 select CPU_SUPPORTS_32BIT_KERNEL
1060 select CPU_SUPPORTS_64BIT_KERNEL
1062 The options selects support for the NEC VR41xx series of processors.
1063 Only choose this option if you have one of these processors as a
1064 kernel built with this option will not run on any other type of
1065 processor or vice versa.
1069 select CPU_SUPPORTS_32BIT_KERNEL
1070 select CPU_SUPPORTS_64BIT_KERNEL
1072 MIPS Technologies R4300-series processors.
1076 select CPU_SUPPORTS_32BIT_KERNEL
1077 select CPU_SUPPORTS_64BIT_KERNEL
1079 MIPS Technologies R4000-series processors other than 4300, including
1080 the R4000, R4400, R4600, and 4700.
1084 select CPU_SUPPORTS_32BIT_KERNEL
1085 select CPU_SUPPORTS_64BIT_KERNEL
1089 select CPU_SUPPORTS_32BIT_KERNEL
1090 select CPU_SUPPORTS_64BIT_KERNEL
1092 MIPS Technologies R5000-series processors other than the Nevada.
1099 depends on EXPERIMENTAL
1100 select CPU_SUPPORTS_32BIT_KERNEL
1102 MIPS Technologies R6000 and R6000A series processors. Note these
1103 processors are extremly rare and the support for them is incomplete.
1107 select CPU_SUPPORTS_32BIT_KERNEL
1108 select CPU_SUPPORTS_64BIT_KERNEL
1110 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1114 depends on EXPERIMENTAL
1115 select CPU_SUPPORTS_64BIT_KERNEL
1117 MIPS Technologies R8000 processors. Note these processors are
1118 uncommon and the support for them is incomplete.
1122 select CPU_SUPPORTS_32BIT_KERNEL
1123 select CPU_SUPPORTS_64BIT_KERNEL
1125 MIPS Technologies R10000-series processors.
1129 select CPU_SUPPORTS_32BIT_KERNEL
1130 select CPU_SUPPORTS_64BIT_KERNEL
1134 select CPU_SUPPORTS_32BIT_KERNEL
1135 select CPU_SUPPORTS_64BIT_KERNEL
1139 select CPU_SUPPORTS_32BIT_KERNEL
1140 select CPU_SUPPORTS_64BIT_KERNEL
1145 prompt "Kernel page size"
1146 default PAGE_SIZE_4KB
1148 config PAGE_SIZE_4KB
1151 This option select the standard 4kB Linux page size. On some
1152 R3000-family processors this is the only available page size. Using
1153 4kB page size will minimize memory consumption and is therefore
1154 recommended for low memory systems.
1156 config PAGE_SIZE_8KB
1158 depends on EXPERIMENTAL && CPU_R8000
1160 Using 8kB page size will result in higher performance kernel at
1161 the price of higher memory consumption. This option is available
1162 only on the R8000 processor. Not that at the time of this writing
1163 this option is still high experimental; there are also issues with
1164 compatibility of user applications.
1166 config PAGE_SIZE_16KB
1168 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1170 Using 16kB page size will result in higher performance kernel at
1171 the price of higher memory consumption. This option is available on
1172 all non-R3000 family processor. Not that at the time of this
1173 writing this option is still high experimental; there are also
1174 issues with compatibility of user applications.
1176 config PAGE_SIZE_64KB
1178 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1180 Using 64kB page size will result in higher performance kernel at
1181 the price of higher memory consumption. This option is available on
1182 all non-R3000 family processor. Not that at the time of this
1183 writing this option is still high experimental; there are also
1184 issues with compatibility of user applications.
1191 config IP22_CPU_SCACHE
1195 config R5000_CPU_SCACHE
1199 config RM7000_CPU_SCACHE
1203 config SIBYTE_DMA_PAGEOPS
1204 bool "Use DMA to clear/copy pages"
1207 Instead of using the CPU to zero and copy pages, use a Data Mover
1208 channel. These DMA channels are otherwise unused by the standard
1209 SiByte Linux port. Seems to give a small performance benefit.
1211 config CPU_HAS_PREFETCH
1212 bool "Enable prefetches" if CPU_SB1 && !CPU_SB1_PASS_2
1213 default y if CPU_MIPS32 || CPU_MIPS64 || CPU_RM7000 || CPU_RM9000 || CPU_R10000
1216 bool "Support for Virtual Tagged I-cache" if CPU_MIPS64 || CPU_MIPS32
1217 default y if CPU_SB1
1219 config SB1_PASS_1_WORKAROUNDS
1221 depends on CPU_SB1_PASS_1
1224 config SB1_PASS_2_WORKAROUNDS
1226 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1229 config SB1_PASS_2_1_WORKAROUNDS
1231 depends on CPU_SB1 && CPU_SB1_PASS_2
1234 config 64BIT_PHYS_ADDR
1235 bool "Support for 64-bit physical address space"
1236 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
1239 bool "Override CPU Options"
1242 Saying yes here allows you to select support for various features
1243 your CPU may or may not have. Most people should say N here.
1246 bool "ll/sc Instructions available" if CPU_ADVANCED
1247 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
1249 MIPS R4000 series and later provide the Load Linked (ll)
1250 and Store Conditional (sc) instructions. More information is
1251 available at <http://www.go-ecs.com/mips/miptek1.htm>.
1253 Say Y here if your CPU has the ll and sc instructions. Say Y here
1254 for better performance, N if you don't know. You must say Y here
1255 for multiprocessor machines.
1257 config CPU_HAS_LLDSCD
1258 bool "lld/scd Instructions available" if CPU_ADVANCED
1259 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32
1261 Say Y here if your CPU has the lld and scd instructions, the 64-bit
1262 equivalents of ll and sc. Say Y here for better performance, N if
1263 you don't know. You must say Y here for multiprocessor machines.
1266 bool "Writeback Buffer available" if CPU_ADVANCED
1267 default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
1269 Say N here for slightly better performance. You must say Y here for
1270 machines which require flushing of write buffers in software. Saying
1271 Y is the safe option; N may result in kernel malfunction and crashes.
1275 depends on !CPU_R3000
1279 # - Highmem only makes sense for the 32-bit kernel.
1280 # - The current highmem code will only work properly on physically indexed
1281 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1282 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1283 # moment we protect the user and offer the highmem option only on machines
1284 # where it's known to be safe. This will not offer highmem on a few systems
1285 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1286 # indexed CPUs but we're playing safe.
1287 # - We should not offer highmem for system of which we already know that they
1288 # don't have memory configurations that could gain from highmem support in
1289 # the kernel because they don't support configurations with RAM at physical
1290 # addresses > 0x20000000.
1293 bool "High Memory Support"
1294 depends on 32BIT && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
1296 config ARCH_FLATMEM_ENABLE
1303 bool "Multi-Processing support"
1304 depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27
1306 This enables support for systems with more than one CPU. If you have
1307 a system with only one CPU, like most personal computers, say N. If
1308 you have a system with more than one CPU, say Y.
1310 If you say N here, the kernel will run on single and multiprocessor
1311 machines, but will use only one CPU of a multiprocessor machine. If
1312 you say Y here, the kernel will run on many, but not all,
1313 singleprocessor machines. On a singleprocessor machine, the kernel
1314 will run faster if you say N here.
1316 People using multiprocessor machines who say Y here should also say
1317 Y to "Enhanced Real Time Clock Support", below.
1319 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1320 available at <http://www.tldp.org/docs.html#howto>.
1322 If you don't know what to do here, say N.
1325 int "Maximum number of CPUs (2-64)"
1328 default "64" if SGI_IP27
1331 This allows you to specify the maximum number of CPUs which this
1332 kernel will support. The maximum supported value is 32 for 32-bit
1333 kernel and 64 for 64-bit kernels; the minimum value which makes
1336 This is purely to save memory - each supported CPU adds
1337 approximately eight kilobytes to the kernel image.
1340 bool "Preemptible Kernel"
1342 This option reduces the latency of the kernel when reacting to
1343 real-time or interactive events by allowing a low priority process to
1344 be preempted even if it is in kernel mode executing a system call.
1345 This allows applications to run more reliably even when the system is
1349 bool "DS1742 BRAM/RTC support"
1350 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1352 config MIPS_INSANE_LARGE
1353 bool "Support for large 64-bit configurations"
1354 depends on CPU_R10000 && 64BIT
1356 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1357 previous 64-bit processors which only supported 40 bit / 1TB. If you
1358 need processes of more than 1TB virtual address space, say Y here.
1359 This will result in additional memory usage, so it is not
1360 recommended for normal users.
1362 config RWSEM_GENERIC_SPINLOCK
1368 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1374 bool "Support for PCI controller"
1375 depends on HW_HAS_PCI
1377 Find out whether you have a PCI motherboard. PCI is the name of a
1378 bus system, i.e. the way the CPU talks to the other stuff inside
1379 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1382 The PCI-HOWTO, available from
1383 <http://www.tldp.org/docs.html#howto>, contains valuable
1384 information about which PCI hardware does work under Linux and which
1391 source "drivers/pci/Kconfig"
1394 # ISA support is now enabled via select. Too many systems still have the one
1395 # or other ISA chip on the board that users don't know about so don't expect
1396 # users to choose the right thing ...
1403 depends on SGI_IP22 || SNI_RM200_PCI
1406 The Extended Industry Standard Architecture (EISA) bus was
1407 developed as an open alternative to the IBM MicroChannel bus.
1409 The EISA bus provided some of the features of the IBM MicroChannel
1410 bus while maintaining backward compatibility with cards made for
1411 the older ISA bus. The EISA bus saw limited use between 1988 and
1412 1995 when it was made obsolete by the PCI bus.
1414 Say Y here if you are building a kernel for an EISA-based machine.
1418 source "drivers/eisa/Kconfig"
1421 bool "TURBOchannel support"
1422 depends on MACH_DECSTATION
1424 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1425 processors. Documentation on writing device drivers for TurboChannel
1427 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1430 # bool "Access.Bus support"
1443 source "drivers/pcmcia/Kconfig"
1445 source "drivers/pci/hotplug/Kconfig"
1449 menu "Executable file formats"
1451 source "fs/Kconfig.binfmt"
1458 bool "Use 64-bit ELF format for building"
1461 A 64-bit kernel is usually built using the 64-bit ELF binary object
1462 format as it's one that allows arbitrary 64-bit constructs. For
1463 kernels that are loaded within the KSEG compatibility segments the
1464 32-bit ELF format can optionally be used resulting in a somewhat
1465 smaller binary, but this option is not explicitly supported by the
1466 toolchain and since binutils 2.14 it does not even work at all.
1468 Say Y to use the 64-bit format or N to use the 32-bit one.
1473 bool "Include IRIX binary compatibility"
1474 depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN
1476 config MIPS32_COMPAT
1477 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1480 Select this option if you want Linux/MIPS 32-bit binary
1481 compatibility. Since all software available for Linux/MIPS is
1482 currently 32-bit you should say Y here.
1486 depends on MIPS32_COMPAT
1490 bool "Kernel support for o32 binaries"
1491 depends on MIPS32_COMPAT
1493 Select this option if you want to run o32 binaries. These are pure
1494 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1495 existing binaries are in this format.
1500 bool "Kernel support for n32 binaries"
1501 depends on MIPS32_COMPAT
1503 Select this option if you want to run n32 binaries. These are
1504 64-bit binaries using 32-bit quantities for addressing and certain
1505 data that would normally be 64-bit. They are used in special
1512 default y if MIPS32_O32 || MIPS32_N32
1515 bool "Power Management support (EXPERIMENTAL)"
1516 depends on EXPERIMENTAL && MACH_AU1X00
1520 source "net/Kconfig"
1522 source "drivers/Kconfig"
1526 source "arch/mips/Kconfig.debug"
1528 source "security/Kconfig"
1530 source "crypto/Kconfig"
1532 source "lib/Kconfig"
1535 # Use the generic interrupt handling code in kernel/irq/:
1537 config GENERIC_HARDIRQS
1541 config GENERIC_IRQ_PROBE