4 # Horrible source of confusion. Die, die, die ...
7 mainmenu "Linux/MIPS Kernel Configuration"
11 config SYS_SUPPORTS_32BIT_KERNEL
13 config SYS_SUPPORTS_64BIT_KERNEL
15 config CPU_SUPPORTS_32BIT_KERNEL
17 config CPU_SUPPORTS_64BIT_KERNEL
24 prompt "Kernel code model"
26 You should only select this option if you have a workload that
27 actually benefits from 64-bit processing or if your machine has
28 large memory. You will only be presented a single option in this
29 menu if your system does not support both 32-bit and 64-bit kernels.
33 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
36 Select this option if you want to build a 32-bit kernel.
40 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
42 Select this option if you want to build a 64-bit kernel.
48 menu "Machine selection"
51 bool "Support for the Jazz family of machines"
54 select GENERIC_ISA_DMA
57 select SYS_SUPPORTS_32BIT_KERNEL
58 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
60 This a family of machines based on the MIPS R4030 chipset which was
61 used by several vendors to build RISC/os and Windows NT workstations.
62 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
63 Olivetti M700-10 workstations.
66 bool "Support for Acer PICA 1 chipset (EXPERIMENTAL)"
67 depends on MACH_JAZZ && EXPERIMENTAL
68 select DMA_NONCOHERENT
70 This is a machine with a R4400 133/150 MHz CPU. To compile a Linux
71 kernel that runs on these, say Y here. For details about Linux on
72 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
73 <http://www.linux-mips.org/>.
75 config MIPS_MAGNUM_4000
76 bool "Support for MIPS Magnum 4000"
78 select DMA_NONCOHERENT
80 This is a machine with a R4000 100 MHz CPU. To compile a Linux
81 kernel that runs on these, say Y here. For details about Linux on
82 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
83 <http://www.linux-mips.org/>.
86 bool "Support for Olivetti M700-10"
88 select DMA_NONCOHERENT
90 This is a machine with a R4000 100 MHz CPU. To compile a Linux
91 kernel that runs on these, say Y here. For details about Linux on
92 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
93 <http://www.linux-mips.org/>.
96 bool "Support for NEC VR4100 series based machines"
97 select SYS_SUPPORTS_32BIT_KERNEL
98 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
101 bool "Support for NEC CMB-VR4133"
102 depends on MACH_VR41XX
104 select DMA_NONCOHERENT
109 bool "Support for Rockhopper baseboard"
110 depends on NEC_CMBVR4133
112 select HAVE_STD_PC_SERIAL_PORT
115 bool "Support for CASIO CASSIOPEIA E-10/15/55/65"
116 depends on MACH_VR41XX
117 select CPU_LITTLE_ENDIAN
118 select DMA_NONCOHERENT
123 bool "Support for IBM WorkPad z50"
124 depends on MACH_VR41XX
125 select CPU_LITTLE_ENDIAN
126 select DMA_NONCOHERENT
131 bool "Support for TANBAC VR4131 multichip module and TANBAC VR4131DIMM"
132 depends on MACH_VR41XX
133 select CPU_LITTLE_ENDIAN
134 select DMA_NONCOHERENT
138 The TANBAC VR4131 multichip module(TB0225) and
139 the TANBAC VR4131DIMM(TB0229) are MIPS-based platforms
140 manufactured by TANBAC.
141 Please refer to <http://www.tanbac.co.jp/>
142 about VR4131 multichip module and VR4131DIMM.
145 bool "Support for TANBAC Mbase(TB0226)"
146 depends on TANBAC_TB022X
149 The TANBAC Mbase(TB0226) is a MIPS-based platform manufactured by TANBAC.
150 Please refer to <http://www.tanbac.co.jp/> about Mbase.
153 bool "Support for Victor MP-C303/304"
154 depends on MACH_VR41XX
155 select CPU_LITTLE_ENDIAN
156 select DMA_NONCOHERENT
161 bool "Support for ZAO Networks Capcella"
162 depends on MACH_VR41XX
163 select CPU_LITTLE_ENDIAN
164 select DMA_NONCOHERENT
169 bool "Add PCI control unit support of NEC VR4100 series"
170 depends on MACH_VR41XX && HW_HAS_PCI
175 tristate "Add NEC VRC4173 companion chip support"
176 depends on MACH_VR41XX && PCI_VR41XX
178 The NEC VRC4173 is a companion chip for NEC VR4122/VR4131.
180 config TOSHIBA_JMR3927
181 bool "Support for Toshiba JMR-TX3927 board"
182 select DMA_NONCOHERENT
185 select SYS_SUPPORTS_32BIT_KERNEL
188 bool "Support for Cobalt Server"
189 depends on EXPERIMENTAL
190 select DMA_NONCOHERENT
194 select SYS_SUPPORTS_32BIT_KERNEL
195 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
197 config MACH_DECSTATION
198 bool "Support for DECstations"
200 select DMA_NONCOHERENT
202 select SYS_SUPPORTS_32BIT_KERNEL
203 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
205 This enables support for DEC's MIPS based workstations. For details
206 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
207 DECstation porting pages on <http://decstation.unix-ag.org/>.
209 If you have one of the following DECstation Models you definitely
210 want to choose R4xx0 for the CPU Type:
217 otherwise choose R3000.
220 bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
221 depends on EXPERIMENTAL
222 select DMA_NONCOHERENT
225 select SYS_SUPPORTS_32BIT_KERNEL
226 select SYS_SUPPORTS_64BIT_KERNEL
228 This is an evaluation board based on the Galileo GT-64120
229 single-chip system controller that contains a MIPS R5000 compatible
230 core running at 75/100MHz. Their website is located at
231 <http://www.marvell.com/>. Say Y here if you wish to build a
232 kernel for this platform.
235 bool "Enable Second PCI (PCI1)"
236 depends on MIPS_EV64120
239 bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
240 depends on EXPERIMENTAL
241 select DMA_NONCOHERENT
245 select RM7000_CPU_SCACHE
247 select SYS_SUPPORTS_32BIT_KERNEL
248 select SYS_SUPPORTS_64BIT_KERNEL
250 This is an evaluation board based on the Galileo GT-96100 LAN/WAN
251 communications controllers containing a MIPS R5000 compatible core
252 running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
253 here if you wish to build a kernel for this platform.
256 bool "Support for Globespan IVR board"
257 select DMA_NONCOHERENT
259 select SYS_SUPPORTS_32BIT_KERNEL
260 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
262 This is an evaluation board built by Globespan to showcase thir
263 iVR (Internet Video Recorder) design. It utilizes a QED RM5231
264 R5000 MIPS core. More information can be found out their website
265 located at <http://www.globespan.net/>. Say Y here if you wish to
266 build a kernel for this platform.
269 bool "Support for LASAT Networks platforms"
270 select DMA_NONCOHERENT
273 select R5000_CPU_SCACHE
274 select SYS_SUPPORTS_32BIT_KERNEL
275 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
278 tristate "PICVUE LCD display driver"
282 tristate "PICVUE LCD display driver /proc interface"
286 bool "DS1603 RTC driver"
290 bool "LASAT sysctl interface"
294 bool "Support for ITE 8172G board"
295 select DMA_NONCOHERENT
297 select SYS_SUPPORTS_32BIT_KERNEL
298 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
300 Ths is an evaluation board made by ITE <http://www.ite.com.tw/>
301 with ATX form factor that utilizes a MIPS R5000 to work with its
302 ITE8172G companion internet appliance chip. The MIPS core can be
303 either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build
304 a kernel for this platform.
307 bool "Support for older IT8172 (Rev C)"
308 depends on MIPS_ITE8172
310 Say Y here to support the older, Revision C version of the Integrated
311 Technology Express, Inc. ITE8172 SBC. Vendor page at
312 <http://www.ite.com.tw/ia/brief_it8172bsp.htm>; picture of the
313 board at <http://www.mvista.com/partners/semiconductor/ite.html>.
316 bool "Support for MIPS Atlas board"
318 select DMA_NONCOHERENT
322 select SYS_SUPPORTS_32BIT_KERNEL
323 select SYS_SUPPORTS_64BIT_KERNEL
325 This enables support for the QED R5231-based MIPS Atlas evaluation
329 bool "Support for MIPS Malta board"
331 select HAVE_STD_PC_SERIAL_PORT
332 select DMA_NONCOHERENT
333 select GENERIC_ISA_DMA
338 select SYS_SUPPORTS_32BIT_KERNEL
339 select SYS_SUPPORTS_64BIT_KERNEL
341 This enables support for the VR5000-based MIPS Malta evaluation
345 bool "Support for MIPS SEAD board (EXPERIMENTAL)"
346 depends on EXPERIMENTAL
348 select DMA_NONCOHERENT
349 select SYS_SUPPORTS_32BIT_KERNEL
350 select SYS_SUPPORTS_64BIT_KERNEL
352 config MOMENCO_OCELOT
353 bool "Support for Momentum Ocelot board"
354 select DMA_NONCOHERENT
359 select RM7000_CPU_SCACHE
361 select SYS_SUPPORTS_32BIT_KERNEL
362 select SYS_SUPPORTS_64BIT_KERNEL
364 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
365 Momentum Computer <http://www.momenco.com/>.
367 config MOMENCO_OCELOT_G
368 bool "Support for Momentum Ocelot-G board"
369 select DMA_NONCOHERENT
374 select RM7000_CPU_SCACHE
376 select SYS_SUPPORTS_32BIT_KERNEL
377 select SYS_SUPPORTS_64BIT_KERNEL
379 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
380 Momentum Computer <http://www.momenco.com/>.
382 config MOMENCO_OCELOT_C
383 bool "Support for Momentum Ocelot-C board"
384 select DMA_NONCOHERENT
389 select RM7000_CPU_SCACHE
391 select SYS_SUPPORTS_32BIT_KERNEL
392 select SYS_SUPPORTS_64BIT_KERNEL
394 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
395 Momentum Computer <http://www.momenco.com/>.
397 config MOMENCO_OCELOT_3
398 bool "Support for Momentum Ocelot-3 board"
400 select DMA_NONCOHERENT
406 select RM7000_CPU_SCACHE
408 select SYS_SUPPORTS_32BIT_KERNEL
409 select SYS_SUPPORTS_64BIT_KERNEL
411 The Ocelot-3 is based off Discovery III System Controller and
412 PMC-Sierra Rm79000 core.
414 config MOMENCO_JAGUAR_ATX
415 bool "Support for Momentum Jaguar board"
417 select DMA_NONCOHERENT
424 select RM7000_CPU_SCACHE
426 select SYS_SUPPORTS_32BIT_KERNEL
427 select SYS_SUPPORTS_64BIT_KERNEL
429 The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
430 Momentum Computer <http://www.momenco.com/>.
434 depends on MOMENCO_JAGUAR_ATX
436 Select to Y if jump JP5 is set on your board, N otherwise. Normally
437 the jumper is set, so if you feel unsafe, just say Y.
440 bool "Support for PMC-Sierra Yosemite eval board"
447 select SYS_SUPPORTS_32BIT_KERNEL
448 select SYS_SUPPORTS_64BIT_KERNEL
450 Yosemite is an evaluation board for the RM9000x2 processor
451 manufactured by PMC-Sierra
453 config HYPERTRANSPORT
454 bool "Hypertransport Support for PMC-Sierra Yosemite"
455 depends on PMC_YOSEMITE
458 bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
459 depends on EXPERIMENTAL
460 select DMA_NONCOHERENT
461 select HAVE_STD_PC_SERIAL_PORT
466 select SYS_SUPPORTS_32BIT_KERNEL
467 select SYS_SUPPORTS_64BIT_KERNEL
469 This enables support for the VR5000-based NEC DDB Vrc-5074
473 bool "Support for NEC DDB Vrc-5476"
474 select DMA_NONCOHERENT
475 select HAVE_STD_PC_SERIAL_PORT
480 select SYS_SUPPORTS_32BIT_KERNEL
481 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
483 This enables support for the R5432-based NEC DDB Vrc-5476
486 Features : kernel debugging, serial terminal, NFS root fs, on-board
487 ether port USB, AC97, PCI, PCI VGA card & framebuffer console,
488 IDE controller, PS2 keyboard, PS2 mouse, etc.
491 bool "Support for NEC DDB Vrc-5477"
492 select DMA_NONCOHERENT
496 select SYS_SUPPORTS_32BIT_KERNEL
497 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
499 This enables support for the R5432-based NEC DDB Vrc-5477,
500 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
502 Features : kernel debugging, serial terminal, NFS root fs, on-board
503 ether port USB, AC97, PCI, etc.
505 config DDB5477_BUS_FREQUENCY
506 int "bus frequency (in kHZ, 0 for auto-detect)"
511 bool "Support for Qemu"
513 select GENERIC_ISA_DMA
514 select HAVE_STD_PC_SERIAL_PORT
518 select SYS_SUPPORTS_32BIT_KERNEL
519 select SYS_SUPPORTS_BIG_ENDIAN
521 Qemu is a software emulator which among other architectures also
522 can simulate a MIPS32 4Kc system. This patch adds support for the
523 system architecture that currently is being simulated by Qemu. It
524 will eventually be removed again when Qemu has the capability to
525 simulate actual MIPS hardware platforms. More information on Qemu
526 can be found at http://www.linux-mips.org/wiki/Qemu.
529 bool "Support for SGI IP22 (Indy/Indigo2)"
533 select DMA_NONCOHERENT
534 select IP22_CPU_SCACHE
537 select SYS_SUPPORTS_32BIT_KERNEL
538 select SYS_SUPPORTS_64BIT_KERNEL
540 This are the SGI Indy, Challenge S and Indigo2, as well as certain
541 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
542 that runs on these, say Y here.
545 bool "Support for SGI IP27 (Origin200/2000)"
551 select SYS_SUPPORTS_64BIT_KERNEL
553 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
554 workstations. To compile a Linux kernel that runs on these, say Y
559 # depends on SGI_IP27
560 # This options adds support for userspace processes upto 16TB size.
561 # Normally the limit is just .5TB.
563 config SGI_SN0_N_MODE
567 The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
568 configured in either N-Modes which allows for more nodes or M-Mode
569 which allows for more memory. Your system is most probably
570 running in M-Mode, so you should say N here.
572 config ARCH_DISCONTIGMEM_ENABLE
574 default y if SGI_IP27
576 Say Y to upport efficient handling of discontiguous physical memory,
577 for architectures which are either NUMA (Non-Uniform Memory Access)
578 or have huge holes in the physical address space for other reasons.
579 See <file:Documentation/vm/numa> for more.
585 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
586 Access). This option is for configuring high-end multiprocessor
587 server machines. If in doubt, say N.
590 bool "Mapped kernel support"
593 Change the way a Linux kernel is loaded into memory on a MIPS64
594 machine. This is required in order to support text replication and
595 NUMA. If you need to understand it, read the source code.
597 config REPLICATE_KTEXT
598 bool "Kernel text replication support"
601 Say Y here to enable replicating the kernel text across multiple
602 nodes in a NUMA cluster. This trades memory for speed.
604 config REPLICATE_EXHANDLERS
605 bool "Exception handler replication support"
608 Say Y here to enable replicating the kernel exception handlers
609 across multiple nodes in a NUMA cluster. This trades memory for
613 bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
614 depends on EXPERIMENTAL
620 select DMA_NONCOHERENT
622 select R5000_CPU_SCACHE
623 select RM7000_CPU_SCACHE
624 select SYS_SUPPORTS_64BIT_KERNEL
626 If you want this kernel to run on SGI O2 workstation, say Y here.
629 bool "Support for AMD/Alchemy Au1X00 SOCs"
630 select SYS_SUPPORTS_32BIT_KERNEL
633 prompt "Au1X00 SOC Type"
634 depends on SOC_AU1X00
636 Say Y here to enable support for one of three AMD/Alchemy
637 SOCs. For additional documentation see www.amd.com.
651 prompt "AMD/Alchemy Au1x00 board support"
652 depends on SOC_AU1X00
654 These are evaluation boards built by AMD/Alchemy to
655 showcase their Au1X00 Internet Edge Processors. The SOC design
656 is based on the MIPS32 architecture running at 266/400/500MHz
657 with many integrated peripherals. Further information can be
658 found at their website, <http://www.amd.com/>. Say Y here if you
659 wish to build a kernel for this platform.
663 depends on SOC_AU1000
664 select DMA_NONCOHERENT
670 depends on SOC_AU1100
671 select DMA_NONCOHERENT
677 depends on SOC_AU1500
683 depends on SOC_AU1550
686 select MIPS_DISABLE_OBSOLETE_IDE
690 depends on SOC_AU1000
691 select DMA_NONCOHERENT
696 depends on SOC_AU1100
697 select DMA_NONCOHERENT
701 depends on SOC_AU1500
704 select MIPS_DISABLE_OBSOLETE_IDE
708 depends on SOC_AU1550
711 select MIPS_DISABLE_OBSOLETE_IDE
714 bool "Bosporus board"
715 depends on SOC_AU1500
716 select DMA_NONCOHERENT
720 depends on SOC_AU1500
721 select DMA_NONCOHERENT
724 bool "MyCable XXS1500 board"
725 depends on SOC_AU1500
726 select DMA_NONCOHERENT
729 bool "4G Systems MTX-1 board"
730 depends on SOC_AU1500
732 select DMA_NONCOHERENT
736 config SIBYTE_SB1xxx_SOC
737 bool "Support for Broadcom BCM1xxx SOCs (EXPERIMENTAL)"
738 depends on EXPERIMENTAL
742 select SYS_SUPPORTS_32BIT_KERNEL
743 select SYS_SUPPORTS_64BIT_KERNEL
746 prompt "BCM1xxx SOC-based board"
747 depends on SIBYTE_SB1xxx_SOC
750 Enable support for boards based on the SiByte line of SOCs
751 from Broadcom. There are configurations for the known
752 evaluation boards, or you can choose "Other" and add your
753 own board support code.
756 bool "BCM91250A-SWARM"
759 config SIBYTE_SENTOSA
760 bool "BCM91250E-Sentosa"
764 bool "BCM91125E-Rhone"
765 select SIBYTE_BCM1125H
768 bool "BCM91120x-Carmel"
769 select SIBYTE_BCM1120
771 config SIBYTE_PTSWARM
772 bool "BCM91250PT-PTSWARM"
775 config SIBYTE_LITTLESUR
776 bool "BCM91250C2-LittleSur"
780 bool "BCM91120C-CRhine"
781 select SIBYTE_BCM1120
784 bool "BCM91125C-CRhone"
785 select SIBYTE_BCM1125
787 config SIBYTE_UNKNOWN
794 depends on SIBYTE_SB1xxx_SOC && !SIBYTE_UNKNOWN
798 prompt "BCM1xxx SOC Type"
799 depends on SIBYTE_UNKNOWN
800 default SIBYTE_UNK_BCM1250
802 Since you haven't chosen a known evaluation board from
803 Broadcom, you must explicitly pick the SOC this kernel is
806 config SIBYTE_UNK_BCM1250
810 config SIBYTE_UNK_BCM1120
812 select SIBYTE_BCM1120
814 config SIBYTE_UNK_BCM1125
816 select SIBYTE_BCM1125
818 config SIBYTE_UNK_BCM1125H
820 select SIBYTE_BCM1125H
828 config SIBYTE_BCM1120
830 select SIBYTE_BCM112X
832 config SIBYTE_BCM1125
835 select SIBYTE_BCM112X
837 config SIBYTE_BCM1125H
840 select SIBYTE_BCM112X
842 config SIBYTE_BCM112X
846 prompt "SiByte SOC Stepping"
847 depends on SIBYTE_SB1xxx_SOC
849 config CPU_SB1_PASS_1
851 depends on SIBYTE_SB1250
852 select CPU_HAS_PREFETCH
854 config CPU_SB1_PASS_2_1250
856 depends on SIBYTE_SB1250
857 select CPU_SB1_PASS_2
859 Also called BCM1250 Pass 2
861 config CPU_SB1_PASS_2_2
863 depends on SIBYTE_SB1250
864 select CPU_HAS_PREFETCH
866 Also called BCM1250 Pass 2.2
868 config CPU_SB1_PASS_4
870 depends on SIBYTE_SB1250
871 select CPU_HAS_PREFETCH
873 Also called BCM1250 Pass 3
875 config CPU_SB1_PASS_2_112x
877 depends on SIBYTE_BCM112X
878 select CPU_SB1_PASS_2
880 config CPU_SB1_PASS_3
882 depends on SIBYTE_BCM112X
883 select CPU_HAS_PREFETCH
887 config CPU_SB1_PASS_2
890 config SIBYTE_HAS_LDT
892 depends on PCI && (SIBYTE_SB1250 || SIBYTE_BCM1125H)
896 bool "Running under simulation"
897 depends on SIBYTE_SB1xxx_SOC
899 Build a kernel suitable for running under the GDB simulator.
900 Primarily adjusts the kernel's notion of time.
903 bool "Booting from CFE"
904 depends on SIBYTE_SB1xxx_SOC
906 Make use of the CFE API for enumerating available memory,
907 controlling secondary CPUs, and possibly console output.
909 config SIBYTE_CFE_CONSOLE
910 bool "Use firmware console"
911 depends on SIBYTE_CFE
913 Use the CFE API's console write routines during boot. Other console
914 options (VT console, sb1250 duart console, etc.) should not be
917 config SIBYTE_STANDALONE
919 depends on SIBYTE_SB1xxx_SOC && !SIBYTE_CFE
922 config SIBYTE_STANDALONE_RAM_SIZE
923 int "Memory size (in megabytes)"
924 depends on SIBYTE_STANDALONE
927 config SIBYTE_BUS_WATCHER
928 bool "Support for Bus Watcher statistics"
929 depends on SIBYTE_SB1xxx_SOC
931 Handle and keep statistics on the bus error interrupts (COR_ECC,
934 config SIBYTE_BW_TRACE
935 bool "Capture bus trace before bus error"
936 depends on SIBYTE_BUS_WATCHER
938 Run a continuous bus trace, dumping the raw data as soon as
939 a ZBbus error is detected. Cannot work if ZBbus profiling
940 is turned on, and also will interfere with JTAG-based trace
941 buffer activity. Raw buffer data is dumped to console, and
942 must be processed off-line.
944 config SIBYTE_SB1250_PROF
945 bool "Support for SB1/SOC profiling - SB1/SCD perf counters"
946 depends on SIBYTE_SB1xxx_SOC
949 bool "Support for ZBbus profiling"
950 depends on SIBYTE_SB1xxx_SOC
953 bool "Support for SNI RM200 PCI"
957 select DMA_NONCOHERENT
958 select GENERIC_ISA_DMA
959 select HAVE_STD_PC_SERIAL_PORT
963 select SYS_SUPPORTS_32BIT_KERNEL
964 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
966 The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
967 Nixdorf Informationssysteme (SNI), parent company of Pyramid
968 Technology and now in turn merged with Fujitsu. Say Y here to
969 support this machine type.
971 config TOSHIBA_RBTX4927
972 bool "Support for Toshiba TBTX49[23]7 board"
973 select DMA_NONCOHERENT
974 select HAS_TXX9_SERIAL
979 select SYS_SUPPORTS_32BIT_KERNEL
980 select SYS_SUPPORTS_64BIT_KERNEL
982 This Toshiba board is based on the TX4927 processor. Say Y here to
983 support this machine type
985 config TOSHIBA_FPCIB0
986 bool "FPCIB0 Backplane Support"
987 depends on TOSHIBA_RBTX4927
989 config RWSEM_GENERIC_SPINLOCK
993 config RWSEM_XCHGADD_ALGORITHM
996 config GENERIC_CALIBRATE_DELAY
1000 config HAVE_DEC_LOCK
1005 # Select some configuration options automatically based on user selections.
1009 depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
1020 select DMA_NEED_PCI_MAP_STATE
1022 config DMA_NONCOHERENT
1024 select DMA_NEED_PCI_MAP_STATE
1026 config DMA_NEED_PCI_MAP_STATE
1031 depends on MACH_DECSTATION
1034 config GENERIC_ISA_DMA
1036 depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
1041 depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
1048 config MIPS_BONITO64
1050 depends on MIPS_ATLAS || MIPS_MALTA
1055 depends on MIPS_ATLAS || MIPS_MALTA
1063 config MIPS_DISABLE_OBSOLETE_IDE
1066 config CPU_LITTLE_ENDIAN
1067 bool "Generate little endian code"
1068 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
1069 default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
1071 Some MIPS machines can be configured for either little or big endian
1072 byte order. These modes require different kernels. Say Y if your
1073 machine is little endian, N if it's a big endian machine.
1084 config DDB5XXX_COMMON
1086 depends on DDB5074 || DDB5476 || DDB5477
1089 config MIPS_BOARDS_GEN
1091 depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
1096 depends on MIPS_COBALT
1101 depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
1106 depends on TOSHIBA_JMR3927
1107 select HAS_TXX9_SERIAL
1113 config ITE_BOARD_GEN
1115 depends on MIPS_IVR || MIPS_ITE8172
1118 config SWAP_IO_SPACE
1122 # Unfortunately not all GT64120 systems run the chip at the same clock.
1123 # As the user for the clock rate and try to minimize the available options.
1126 prompt "Galileo Chip Clock"
1127 #default SYSCLK_83 if MIPS_EV64120
1128 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1129 default SYSCLK_83 if MIPS_EV64120
1130 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
1133 bool "75" if MIPS_EV64120
1136 bool "83.3" if MIPS_EV64120
1139 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1143 config AU1X00_USB_DEVICE
1145 depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
1150 depends on MIPS_EV96100
1153 Say Y here to support the Galileo Technology GT96100 communications
1154 controller card. There is a web page at <http://www.galileot.com/>.
1158 depends on MIPS_ITE8172 || MIPS_IVR
1163 depends on MIPS_ITE8172
1168 depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
1171 config MIPS_L1_CACHE_SHIFT
1173 default "4" if MACH_DECSTATION
1174 default "7" if SGI_IP27
1179 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1182 config HAVE_STD_PC_SERIAL_PORT
1186 bool "ARC console support"
1187 depends on SGI_IP22 || SNI_RM200_PCI
1191 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
1196 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1209 #config MAPPED_PCI_IO y
1211 # depends on SGI_IP27
1219 config TOSHIBA_BOARDS
1221 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1226 menu "CPU selection"
1234 select CPU_SUPPORTS_32BIT_KERNEL
1238 select CPU_SUPPORTS_32BIT_KERNEL
1239 select CPU_SUPPORTS_64BIT_KERNEL
1243 select CPU_SUPPORTS_32BIT_KERNEL
1245 Please make sure to pick the right CPU type. Linux/MIPS is not
1246 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1247 *not* work on R4000 machines and vice versa. However, since most
1248 of the supported machines have an R4000 (or similar) CPU, R4x00
1249 might be a safe bet. If the resulting kernel does not work,
1250 try to recompile with R3000.
1254 select CPU_SUPPORTS_32BIT_KERNEL
1258 select CPU_SUPPORTS_32BIT_KERNEL
1259 select CPU_SUPPORTS_64BIT_KERNEL
1261 The options selects support for the NEC VR41xx series of processors.
1262 Only choose this option if you have one of these processors as a
1263 kernel built with this option will not run on any other type of
1264 processor or vice versa.
1268 select CPU_SUPPORTS_32BIT_KERNEL
1269 select CPU_SUPPORTS_64BIT_KERNEL
1271 MIPS Technologies R4300-series processors.
1275 select CPU_SUPPORTS_32BIT_KERNEL
1276 select CPU_SUPPORTS_64BIT_KERNEL
1278 MIPS Technologies R4000-series processors other than 4300, including
1279 the R4000, R4400, R4600, and 4700.
1283 select CPU_SUPPORTS_32BIT_KERNEL
1284 select CPU_SUPPORTS_64BIT_KERNEL
1288 select CPU_SUPPORTS_32BIT_KERNEL
1289 select CPU_SUPPORTS_64BIT_KERNEL
1291 MIPS Technologies R5000-series processors other than the Nevada.
1298 depends on EXPERIMENTAL
1299 select CPU_SUPPORTS_32BIT_KERNEL
1301 MIPS Technologies R6000 and R6000A series processors. Note these
1302 processors are extremly rare and the support for them is incomplete.
1306 select CPU_SUPPORTS_32BIT_KERNEL
1307 select CPU_SUPPORTS_64BIT_KERNEL
1309 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1313 depends on EXPERIMENTAL
1314 select CPU_SUPPORTS_64BIT_KERNEL
1316 MIPS Technologies R8000 processors. Note these processors are
1317 uncommon and the support for them is incomplete.
1321 select CPU_SUPPORTS_32BIT_KERNEL
1322 select CPU_SUPPORTS_64BIT_KERNEL
1324 MIPS Technologies R10000-series processors.
1328 select CPU_SUPPORTS_32BIT_KERNEL
1329 select CPU_SUPPORTS_64BIT_KERNEL
1333 select CPU_SUPPORTS_32BIT_KERNEL
1334 select CPU_SUPPORTS_64BIT_KERNEL
1338 select CPU_SUPPORTS_32BIT_KERNEL
1339 select CPU_SUPPORTS_64BIT_KERNEL
1344 prompt "Kernel page size"
1345 default PAGE_SIZE_4KB
1347 config PAGE_SIZE_4KB
1350 This option select the standard 4kB Linux page size. On some
1351 R3000-family processors this is the only available page size. Using
1352 4kB page size will minimize memory consumption and is therefore
1353 recommended for low memory systems.
1355 config PAGE_SIZE_8KB
1357 depends on EXPERIMENTAL && CPU_R8000
1359 Using 8kB page size will result in higher performance kernel at
1360 the price of higher memory consumption. This option is available
1361 only on the R8000 processor. Not that at the time of this writing
1362 this option is still high experimental; there are also issues with
1363 compatibility of user applications.
1365 config PAGE_SIZE_16KB
1367 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1369 Using 16kB page size will result in higher performance kernel at
1370 the price of higher memory consumption. This option is available on
1371 all non-R3000 family processor. Not that at the time of this
1372 writing this option is still high experimental; there are also
1373 issues with compatibility of user applications.
1375 config PAGE_SIZE_64KB
1377 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1379 Using 64kB page size will result in higher performance kernel at
1380 the price of higher memory consumption. This option is available on
1381 all non-R3000 family processor. Not that at the time of this
1382 writing this option is still high experimental; there are also
1383 issues with compatibility of user applications.
1390 config IP22_CPU_SCACHE
1394 config R5000_CPU_SCACHE
1398 config RM7000_CPU_SCACHE
1402 config SIBYTE_DMA_PAGEOPS
1403 bool "Use DMA to clear/copy pages"
1406 Instead of using the CPU to zero and copy pages, use a Data Mover
1407 channel. These DMA channels are otherwise unused by the standard
1408 SiByte Linux port. Seems to give a small performance benefit.
1410 config CPU_HAS_PREFETCH
1411 bool "Enable prefetches" if CPU_SB1 && !CPU_SB1_PASS_2
1412 default y if CPU_MIPS32 || CPU_MIPS64 || CPU_RM7000 || CPU_RM9000 || CPU_R10000
1415 bool "Support for Virtual Tagged I-cache" if CPU_MIPS64 || CPU_MIPS32
1416 default y if CPU_SB1
1418 config SB1_PASS_1_WORKAROUNDS
1420 depends on CPU_SB1_PASS_1
1423 config SB1_PASS_2_WORKAROUNDS
1425 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1428 config SB1_PASS_2_1_WORKAROUNDS
1430 depends on CPU_SB1 && CPU_SB1_PASS_2
1433 config 64BIT_PHYS_ADDR
1434 bool "Support for 64-bit physical address space"
1435 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
1438 bool "Override CPU Options"
1441 Saying yes here allows you to select support for various features
1442 your CPU may or may not have. Most people should say N here.
1445 bool "ll/sc Instructions available" if CPU_ADVANCED
1446 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
1448 MIPS R4000 series and later provide the Load Linked (ll)
1449 and Store Conditional (sc) instructions. More information is
1450 available at <http://www.go-ecs.com/mips/miptek1.htm>.
1452 Say Y here if your CPU has the ll and sc instructions. Say Y here
1453 for better performance, N if you don't know. You must say Y here
1454 for multiprocessor machines.
1456 config CPU_HAS_LLDSCD
1457 bool "lld/scd Instructions available" if CPU_ADVANCED
1458 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32
1460 Say Y here if your CPU has the lld and scd instructions, the 64-bit
1461 equivalents of ll and sc. Say Y here for better performance, N if
1462 you don't know. You must say Y here for multiprocessor machines.
1465 bool "Writeback Buffer available" if CPU_ADVANCED
1466 default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
1468 Say N here for slightly better performance. You must say Y here for
1469 machines which require flushing of write buffers in software. Saying
1470 Y is the safe option; N may result in kernel malfunction and crashes.
1474 depends on !CPU_R3000
1478 # - Highmem only makes sense for the 32-bit kernel.
1479 # - The current highmem code will only work properly on physically indexed
1480 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1481 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1482 # moment we protect the user and offer the highmem option only on machines
1483 # where it's known to be safe. This will not offer highmem on a few systems
1484 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1485 # indexed CPUs but we're playing safe.
1486 # - We should not offer highmem for system of which we already know that they
1487 # don't have memory configurations that could gain from highmem support in
1488 # the kernel because they don't support configurations with RAM at physical
1489 # addresses > 0x20000000.
1492 bool "High Memory Support"
1493 depends on 32BIT && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
1495 config ARCH_FLATMEM_ENABLE
1502 bool "Multi-Processing support"
1503 depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27
1505 This enables support for systems with more than one CPU. If you have
1506 a system with only one CPU, like most personal computers, say N. If
1507 you have a system with more than one CPU, say Y.
1509 If you say N here, the kernel will run on single and multiprocessor
1510 machines, but will use only one CPU of a multiprocessor machine. If
1511 you say Y here, the kernel will run on many, but not all,
1512 singleprocessor machines. On a singleprocessor machine, the kernel
1513 will run faster if you say N here.
1515 People using multiprocessor machines who say Y here should also say
1516 Y to "Enhanced Real Time Clock Support", below.
1518 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1519 available at <http://www.tldp.org/docs.html#howto>.
1521 If you don't know what to do here, say N.
1524 int "Maximum number of CPUs (2-64)"
1527 default "64" if SGI_IP27
1530 This allows you to specify the maximum number of CPUs which this
1531 kernel will support. The maximum supported value is 32 for 32-bit
1532 kernel and 64 for 64-bit kernels; the minimum value which makes
1535 This is purely to save memory - each supported CPU adds
1536 approximately eight kilobytes to the kernel image.
1539 bool "Preemptible Kernel"
1541 This option reduces the latency of the kernel when reacting to
1542 real-time or interactive events by allowing a low priority process to
1543 be preempted even if it is in kernel mode executing a system call.
1544 This allows applications to run more reliably even when the system is
1548 bool "DS1742 BRAM/RTC support"
1549 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1551 config MIPS_INSANE_LARGE
1552 bool "Support for large 64-bit configurations"
1553 depends on CPU_R10000 && 64BIT
1555 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1556 previous 64-bit processors which only supported 40 bit / 1TB. If you
1557 need processes of more than 1TB virtual address space, say Y here.
1558 This will result in additional memory usage, so it is not
1559 recommended for normal users.
1561 config RWSEM_GENERIC_SPINLOCK
1567 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1573 bool "Support for PCI controller"
1574 depends on HW_HAS_PCI
1576 Find out whether you have a PCI motherboard. PCI is the name of a
1577 bus system, i.e. the way the CPU talks to the other stuff inside
1578 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1581 The PCI-HOWTO, available from
1582 <http://www.tldp.org/docs.html#howto>, contains valuable
1583 information about which PCI hardware does work under Linux and which
1590 source "drivers/pci/Kconfig"
1593 # ISA support is now enabled via select. Too many systems still have the one
1594 # or other ISA chip on the board that users don't know about so don't expect
1595 # users to choose the right thing ...
1602 depends on SGI_IP22 || SNI_RM200_PCI
1605 The Extended Industry Standard Architecture (EISA) bus was
1606 developed as an open alternative to the IBM MicroChannel bus.
1608 The EISA bus provided some of the features of the IBM MicroChannel
1609 bus while maintaining backward compatibility with cards made for
1610 the older ISA bus. The EISA bus saw limited use between 1988 and
1611 1995 when it was made obsolete by the PCI bus.
1613 Say Y here if you are building a kernel for an EISA-based machine.
1617 source "drivers/eisa/Kconfig"
1620 bool "TURBOchannel support"
1621 depends on MACH_DECSTATION
1623 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1624 processors. Documentation on writing device drivers for TurboChannel
1626 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1629 # bool "Access.Bus support"
1642 source "drivers/pcmcia/Kconfig"
1644 source "drivers/pci/hotplug/Kconfig"
1648 menu "Executable file formats"
1650 source "fs/Kconfig.binfmt"
1657 bool "Use 64-bit ELF format for building"
1660 A 64-bit kernel is usually built using the 64-bit ELF binary object
1661 format as it's one that allows arbitrary 64-bit constructs. For
1662 kernels that are loaded within the KSEG compatibility segments the
1663 32-bit ELF format can optionally be used resulting in a somewhat
1664 smaller binary, but this option is not explicitly supported by the
1665 toolchain and since binutils 2.14 it does not even work at all.
1667 Say Y to use the 64-bit format or N to use the 32-bit one.
1672 bool "Include IRIX binary compatibility"
1673 depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN
1675 config MIPS32_COMPAT
1676 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1679 Select this option if you want Linux/MIPS 32-bit binary
1680 compatibility. Since all software available for Linux/MIPS is
1681 currently 32-bit you should say Y here.
1685 depends on MIPS32_COMPAT
1689 bool "Kernel support for o32 binaries"
1690 depends on MIPS32_COMPAT
1692 Select this option if you want to run o32 binaries. These are pure
1693 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1694 existing binaries are in this format.
1699 bool "Kernel support for n32 binaries"
1700 depends on MIPS32_COMPAT
1702 Select this option if you want to run n32 binaries. These are
1703 64-bit binaries using 32-bit quantities for addressing and certain
1704 data that would normally be 64-bit. They are used in special
1711 default y if MIPS32_O32 || MIPS32_N32
1714 bool "Power Management support (EXPERIMENTAL)"
1715 depends on EXPERIMENTAL && MACH_AU1X00
1719 source "net/Kconfig"
1721 source "drivers/Kconfig"
1725 source "arch/mips/Kconfig.debug"
1727 source "security/Kconfig"
1729 source "crypto/Kconfig"
1731 source "lib/Kconfig"
1734 # Use the generic interrupt handling code in kernel/irq/:
1736 config GENERIC_HARDIRQS
1740 config GENERIC_IRQ_PROBE