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
214 select SYS_SUPPORTS_32BIT_KERNEL
215 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
217 This enables support for DEC's MIPS based workstations. For details
218 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
219 DECstation porting pages on <http://decstation.unix-ag.org/>.
221 If you have one of the following DECstation Models you definitely
222 want to choose R4xx0 for the CPU Type:
229 otherwise choose R3000.
232 bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
233 depends on EXPERIMENTAL
234 select DMA_NONCOHERENT
237 select SYS_SUPPORTS_32BIT_KERNEL
238 select SYS_SUPPORTS_64BIT_KERNEL
240 This is an evaluation board based on the Galileo GT-64120
241 single-chip system controller that contains a MIPS R5000 compatible
242 core running at 75/100MHz. Their website is located at
243 <http://www.marvell.com/>. Say Y here if you wish to build a
244 kernel for this platform.
247 bool "Enable Second PCI (PCI1)"
248 depends on MIPS_EV64120
251 bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
252 depends on EXPERIMENTAL
253 select DMA_NONCOHERENT
257 select RM7000_CPU_SCACHE
259 select SYS_SUPPORTS_32BIT_KERNEL
260 select SYS_SUPPORTS_64BIT_KERNEL
262 This is an evaluation board based on the Galileo GT-96100 LAN/WAN
263 communications controllers containing a MIPS R5000 compatible core
264 running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
265 here if you wish to build a kernel for this platform.
268 bool "Support for Globespan IVR board"
269 select DMA_NONCOHERENT
271 select SYS_SUPPORTS_32BIT_KERNEL
272 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
274 This is an evaluation board built by Globespan to showcase thir
275 iVR (Internet Video Recorder) design. It utilizes a QED RM5231
276 R5000 MIPS core. More information can be found out their website
277 located at <http://www.globespan.net/>. Say Y here if you wish to
278 build a kernel for this platform.
281 bool "Support for LASAT Networks platforms"
282 select DMA_NONCOHERENT
285 select R5000_CPU_SCACHE
286 select SYS_SUPPORTS_32BIT_KERNEL
287 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
290 tristate "PICVUE LCD display driver"
294 tristate "PICVUE LCD display driver /proc interface"
298 bool "DS1603 RTC driver"
302 bool "LASAT sysctl interface"
306 bool "Support for ITE 8172G board"
307 select DMA_NONCOHERENT
309 select SYS_SUPPORTS_32BIT_KERNEL
310 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
312 Ths is an evaluation board made by ITE <http://www.ite.com.tw/>
313 with ATX form factor that utilizes a MIPS R5000 to work with its
314 ITE8172G companion internet appliance chip. The MIPS core can be
315 either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build
316 a kernel for this platform.
319 bool "Support for older IT8172 (Rev C)"
320 depends on MIPS_ITE8172
322 Say Y here to support the older, Revision C version of the Integrated
323 Technology Express, Inc. ITE8172 SBC. Vendor page at
324 <http://www.ite.com.tw/ia/brief_it8172bsp.htm>; picture of the
325 board at <http://www.mvista.com/partners/semiconductor/ite.html>.
328 bool "Support for MIPS Atlas board"
330 select DMA_NONCOHERENT
334 select SYS_SUPPORTS_32BIT_KERNEL
335 select SYS_SUPPORTS_64BIT_KERNEL
337 This enables support for the QED R5231-based MIPS Atlas evaluation
341 bool "Support for MIPS Malta board"
343 select HAVE_STD_PC_SERIAL_PORT
344 select DMA_NONCOHERENT
345 select GENERIC_ISA_DMA
350 select SYS_SUPPORTS_32BIT_KERNEL
351 select SYS_SUPPORTS_64BIT_KERNEL
353 This enables support for the VR5000-based MIPS Malta evaluation
357 bool "Support for MIPS SEAD board (EXPERIMENTAL)"
358 depends on EXPERIMENTAL
360 select DMA_NONCOHERENT
361 select SYS_SUPPORTS_32BIT_KERNEL
362 select SYS_SUPPORTS_64BIT_KERNEL
364 config MOMENCO_OCELOT
365 bool "Support for Momentum Ocelot board"
366 select DMA_NONCOHERENT
371 select RM7000_CPU_SCACHE
373 select SYS_SUPPORTS_32BIT_KERNEL
374 select SYS_SUPPORTS_64BIT_KERNEL
376 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
377 Momentum Computer <http://www.momenco.com/>.
379 config MOMENCO_OCELOT_G
380 bool "Support for Momentum Ocelot-G board"
381 select DMA_NONCOHERENT
386 select RM7000_CPU_SCACHE
388 select SYS_SUPPORTS_32BIT_KERNEL
389 select SYS_SUPPORTS_64BIT_KERNEL
391 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
392 Momentum Computer <http://www.momenco.com/>.
394 config MOMENCO_OCELOT_C
395 bool "Support for Momentum Ocelot-C board"
396 select DMA_NONCOHERENT
401 select RM7000_CPU_SCACHE
403 select SYS_SUPPORTS_32BIT_KERNEL
404 select SYS_SUPPORTS_64BIT_KERNEL
406 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
407 Momentum Computer <http://www.momenco.com/>.
409 config MOMENCO_OCELOT_3
410 bool "Support for Momentum Ocelot-3 board"
412 select DMA_NONCOHERENT
418 select RM7000_CPU_SCACHE
420 select SYS_SUPPORTS_32BIT_KERNEL
421 select SYS_SUPPORTS_64BIT_KERNEL
423 The Ocelot-3 is based off Discovery III System Controller and
424 PMC-Sierra Rm79000 core.
426 config MOMENCO_JAGUAR_ATX
427 bool "Support for Momentum Jaguar board"
429 select DMA_NONCOHERENT
436 select RM7000_CPU_SCACHE
438 select SYS_SUPPORTS_32BIT_KERNEL
439 select SYS_SUPPORTS_64BIT_KERNEL
441 The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
442 Momentum Computer <http://www.momenco.com/>.
446 depends on MOMENCO_JAGUAR_ATX
448 Select to Y if jump JP5 is set on your board, N otherwise. Normally
449 the jumper is set, so if you feel unsafe, just say Y.
452 bool "Support for PMC-Sierra Yosemite eval board"
459 select SYS_SUPPORTS_32BIT_KERNEL
460 select SYS_SUPPORTS_64BIT_KERNEL
462 Yosemite is an evaluation board for the RM9000x2 processor
463 manufactured by PMC-Sierra
465 config HYPERTRANSPORT
466 bool "Hypertransport Support for PMC-Sierra Yosemite"
467 depends on PMC_YOSEMITE
470 bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
471 depends on EXPERIMENTAL
472 select DMA_NONCOHERENT
473 select HAVE_STD_PC_SERIAL_PORT
478 select SYS_SUPPORTS_32BIT_KERNEL
479 select SYS_SUPPORTS_64BIT_KERNEL
481 This enables support for the VR5000-based NEC DDB Vrc-5074
485 bool "Support for NEC DDB Vrc-5476"
486 select DMA_NONCOHERENT
487 select HAVE_STD_PC_SERIAL_PORT
492 select SYS_SUPPORTS_32BIT_KERNEL
493 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
495 This enables support for the R5432-based NEC DDB Vrc-5476
498 Features : kernel debugging, serial terminal, NFS root fs, on-board
499 ether port USB, AC97, PCI, PCI VGA card & framebuffer console,
500 IDE controller, PS2 keyboard, PS2 mouse, etc.
503 bool "Support for NEC DDB Vrc-5477"
504 select DMA_NONCOHERENT
508 select SYS_SUPPORTS_32BIT_KERNEL
509 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
511 This enables support for the R5432-based NEC DDB Vrc-5477,
512 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
514 Features : kernel debugging, serial terminal, NFS root fs, on-board
515 ether port USB, AC97, PCI, etc.
517 config DDB5477_BUS_FREQUENCY
518 int "bus frequency (in kHZ, 0 for auto-detect)"
523 bool "Support for Qemu"
525 select GENERIC_ISA_DMA
526 select HAVE_STD_PC_SERIAL_PORT
530 select SYS_SUPPORTS_32BIT_KERNEL
531 select SYS_SUPPORTS_BIG_ENDIAN
533 Qemu is a software emulator which among other architectures also
534 can simulate a MIPS32 4Kc system. This patch adds support for the
535 system architecture that currently is being simulated by Qemu. It
536 will eventually be removed again when Qemu has the capability to
537 simulate actual MIPS hardware platforms. More information on Qemu
538 can be found at http://www.linux-mips.org/wiki/Qemu.
541 bool "Support for SGI IP22 (Indy/Indigo2)"
545 select DMA_NONCOHERENT
546 select IP22_CPU_SCACHE
549 select SYS_SUPPORTS_32BIT_KERNEL
550 select SYS_SUPPORTS_64BIT_KERNEL
552 This are the SGI Indy, Challenge S and Indigo2, as well as certain
553 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
554 that runs on these, say Y here.
557 bool "Support for SGI IP27 (Origin200/2000)"
563 select SYS_SUPPORTS_64BIT_KERNEL
565 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
566 workstations. To compile a Linux kernel that runs on these, say Y
571 # depends on SGI_IP27
572 # This options adds support for userspace processes upto 16TB size.
573 # Normally the limit is just .5TB.
575 config SGI_SN0_N_MODE
579 The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
580 configured in either N-Modes which allows for more nodes or M-Mode
581 which allows for more memory. Your system is most probably
582 running in M-Mode, so you should say N here.
584 config ARCH_DISCONTIGMEM_ENABLE
586 default y if SGI_IP27
588 Say Y to upport efficient handling of discontiguous physical memory,
589 for architectures which are either NUMA (Non-Uniform Memory Access)
590 or have huge holes in the physical address space for other reasons.
591 See <file:Documentation/vm/numa> for more.
597 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
598 Access). This option is for configuring high-end multiprocessor
599 server machines. If in doubt, say N.
602 bool "Mapped kernel support"
605 Change the way a Linux kernel is loaded into memory on a MIPS64
606 machine. This is required in order to support text replication and
607 NUMA. If you need to understand it, read the source code.
609 config REPLICATE_KTEXT
610 bool "Kernel text replication support"
613 Say Y here to enable replicating the kernel text across multiple
614 nodes in a NUMA cluster. This trades memory for speed.
616 config REPLICATE_EXHANDLERS
617 bool "Exception handler replication support"
620 Say Y here to enable replicating the kernel exception handlers
621 across multiple nodes in a NUMA cluster. This trades memory for
625 bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
626 depends on EXPERIMENTAL
632 select DMA_NONCOHERENT
634 select R5000_CPU_SCACHE
635 select RM7000_CPU_SCACHE
636 select SYS_SUPPORTS_64BIT_KERNEL
638 If you want this kernel to run on SGI O2 workstation, say Y here.
641 bool "Support for AMD/Alchemy Au1X00 SOCs"
642 select SYS_SUPPORTS_32BIT_KERNEL
645 prompt "Au1X00 SOC Type"
646 depends on SOC_AU1X00
648 Say Y here to enable support for one of three AMD/Alchemy
649 SOCs. For additional documentation see www.amd.com.
663 prompt "AMD/Alchemy Au1x00 board support"
664 depends on SOC_AU1X00
666 These are evaluation boards built by AMD/Alchemy to
667 showcase their Au1X00 Internet Edge Processors. The SOC design
668 is based on the MIPS32 architecture running at 266/400/500MHz
669 with many integrated peripherals. Further information can be
670 found at their website, <http://www.amd.com/>. Say Y here if you
671 wish to build a kernel for this platform.
675 depends on SOC_AU1000
676 select DMA_NONCOHERENT
682 depends on SOC_AU1100
683 select DMA_NONCOHERENT
689 depends on SOC_AU1500
695 depends on SOC_AU1550
698 select MIPS_DISABLE_OBSOLETE_IDE
702 depends on SOC_AU1000
703 select DMA_NONCOHERENT
708 depends on SOC_AU1100
709 select DMA_NONCOHERENT
713 depends on SOC_AU1500
716 select MIPS_DISABLE_OBSOLETE_IDE
720 depends on SOC_AU1550
723 select MIPS_DISABLE_OBSOLETE_IDE
726 bool "Bosporus board"
727 depends on SOC_AU1500
728 select DMA_NONCOHERENT
732 depends on SOC_AU1500
733 select DMA_NONCOHERENT
736 bool "MyCable XXS1500 board"
737 depends on SOC_AU1500
738 select DMA_NONCOHERENT
741 bool "4G Systems MTX-1 board"
742 depends on SOC_AU1500
744 select DMA_NONCOHERENT
748 config SIBYTE_SB1xxx_SOC
749 bool "Support for Broadcom BCM1xxx SOCs (EXPERIMENTAL)"
750 depends on EXPERIMENTAL
754 select SYS_SUPPORTS_32BIT_KERNEL
755 select SYS_SUPPORTS_64BIT_KERNEL
758 prompt "BCM1xxx SOC-based board"
759 depends on SIBYTE_SB1xxx_SOC
762 Enable support for boards based on the SiByte line of SOCs
763 from Broadcom. There are configurations for the known
764 evaluation boards, or you can choose "Other" and add your
765 own board support code.
768 bool "BCM91250A-SWARM"
771 config SIBYTE_SENTOSA
772 bool "BCM91250E-Sentosa"
776 bool "BCM91125E-Rhone"
777 select SIBYTE_BCM1125H
780 bool "BCM91120x-Carmel"
781 select SIBYTE_BCM1120
783 config SIBYTE_PTSWARM
784 bool "BCM91250PT-PTSWARM"
787 config SIBYTE_LITTLESUR
788 bool "BCM91250C2-LittleSur"
792 bool "BCM91120C-CRhine"
793 select SIBYTE_BCM1120
796 bool "BCM91125C-CRhone"
797 select SIBYTE_BCM1125
799 config SIBYTE_UNKNOWN
806 depends on SIBYTE_SB1xxx_SOC && !SIBYTE_UNKNOWN
810 prompt "BCM1xxx SOC Type"
811 depends on SIBYTE_UNKNOWN
812 default SIBYTE_UNK_BCM1250
814 Since you haven't chosen a known evaluation board from
815 Broadcom, you must explicitly pick the SOC this kernel is
818 config SIBYTE_UNK_BCM1250
822 config SIBYTE_UNK_BCM1120
824 select SIBYTE_BCM1120
826 config SIBYTE_UNK_BCM1125
828 select SIBYTE_BCM1125
830 config SIBYTE_UNK_BCM1125H
832 select SIBYTE_BCM1125H
840 config SIBYTE_BCM1120
842 select SIBYTE_BCM112X
844 config SIBYTE_BCM1125
847 select SIBYTE_BCM112X
849 config SIBYTE_BCM1125H
852 select SIBYTE_BCM112X
854 config SIBYTE_BCM112X
858 prompt "SiByte SOC Stepping"
859 depends on SIBYTE_SB1xxx_SOC
861 config CPU_SB1_PASS_1
863 depends on SIBYTE_SB1250
864 select CPU_HAS_PREFETCH
866 config CPU_SB1_PASS_2_1250
868 depends on SIBYTE_SB1250
869 select CPU_SB1_PASS_2
871 Also called BCM1250 Pass 2
873 config CPU_SB1_PASS_2_2
875 depends on SIBYTE_SB1250
876 select CPU_HAS_PREFETCH
878 Also called BCM1250 Pass 2.2
880 config CPU_SB1_PASS_4
882 depends on SIBYTE_SB1250
883 select CPU_HAS_PREFETCH
885 Also called BCM1250 Pass 3
887 config CPU_SB1_PASS_2_112x
889 depends on SIBYTE_BCM112X
890 select CPU_SB1_PASS_2
892 config CPU_SB1_PASS_3
894 depends on SIBYTE_BCM112X
895 select CPU_HAS_PREFETCH
899 config CPU_SB1_PASS_2
902 config SIBYTE_HAS_LDT
904 depends on PCI && (SIBYTE_SB1250 || SIBYTE_BCM1125H)
908 bool "Running under simulation"
909 depends on SIBYTE_SB1xxx_SOC
911 Build a kernel suitable for running under the GDB simulator.
912 Primarily adjusts the kernel's notion of time.
915 bool "Booting from CFE"
916 depends on SIBYTE_SB1xxx_SOC
918 Make use of the CFE API for enumerating available memory,
919 controlling secondary CPUs, and possibly console output.
921 config SIBYTE_CFE_CONSOLE
922 bool "Use firmware console"
923 depends on SIBYTE_CFE
925 Use the CFE API's console write routines during boot. Other console
926 options (VT console, sb1250 duart console, etc.) should not be
929 config SIBYTE_STANDALONE
931 depends on SIBYTE_SB1xxx_SOC && !SIBYTE_CFE
934 config SIBYTE_STANDALONE_RAM_SIZE
935 int "Memory size (in megabytes)"
936 depends on SIBYTE_STANDALONE
939 config SIBYTE_BUS_WATCHER
940 bool "Support for Bus Watcher statistics"
941 depends on SIBYTE_SB1xxx_SOC
943 Handle and keep statistics on the bus error interrupts (COR_ECC,
946 config SIBYTE_BW_TRACE
947 bool "Capture bus trace before bus error"
948 depends on SIBYTE_BUS_WATCHER
950 Run a continuous bus trace, dumping the raw data as soon as
951 a ZBbus error is detected. Cannot work if ZBbus profiling
952 is turned on, and also will interfere with JTAG-based trace
953 buffer activity. Raw buffer data is dumped to console, and
954 must be processed off-line.
956 config SIBYTE_SB1250_PROF
957 bool "Support for SB1/SOC profiling - SB1/SCD perf counters"
958 depends on SIBYTE_SB1xxx_SOC
961 bool "Support for ZBbus profiling"
962 depends on SIBYTE_SB1xxx_SOC
965 bool "Support for SNI RM200 PCI"
969 select DMA_NONCOHERENT
970 select GENERIC_ISA_DMA
971 select HAVE_STD_PC_SERIAL_PORT
975 select SYS_SUPPORTS_32BIT_KERNEL
976 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
978 The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
979 Nixdorf Informationssysteme (SNI), parent company of Pyramid
980 Technology and now in turn merged with Fujitsu. Say Y here to
981 support this machine type.
983 config TOSHIBA_RBTX4927
984 bool "Support for Toshiba TBTX49[23]7 board"
985 select DMA_NONCOHERENT
986 select HAS_TXX9_SERIAL
991 select SYS_SUPPORTS_32BIT_KERNEL
992 select SYS_SUPPORTS_64BIT_KERNEL
994 This Toshiba board is based on the TX4927 processor. Say Y here to
995 support this machine type
997 config TOSHIBA_FPCIB0
998 bool "FPCIB0 Backplane Support"
999 depends on TOSHIBA_RBTX4927
1001 config RWSEM_GENERIC_SPINLOCK
1005 config RWSEM_XCHGADD_ALGORITHM
1008 config GENERIC_CALIBRATE_DELAY
1013 # Select some configuration options automatically based on user selections.
1017 depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
1028 select DMA_NEED_PCI_MAP_STATE
1030 config DMA_NONCOHERENT
1032 select DMA_NEED_PCI_MAP_STATE
1034 config DMA_NEED_PCI_MAP_STATE
1039 depends on MACH_DECSTATION
1042 config GENERIC_ISA_DMA
1044 depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
1049 depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
1056 config MIPS_BONITO64
1058 depends on MIPS_ATLAS || MIPS_MALTA
1063 depends on MIPS_ATLAS || MIPS_MALTA
1071 config MIPS_DISABLE_OBSOLETE_IDE
1074 config CPU_LITTLE_ENDIAN
1075 bool "Generate little endian code"
1076 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
1077 default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
1079 Some MIPS machines can be configured for either little or big endian
1080 byte order. These modes require different kernels. Say Y if your
1081 machine is little endian, N if it's a big endian machine.
1092 config DDB5XXX_COMMON
1094 depends on DDB5074 || DDB5476 || DDB5477
1097 config MIPS_BOARDS_GEN
1099 depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
1104 depends on MIPS_COBALT
1109 depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
1114 depends on TOSHIBA_JMR3927
1115 select HAS_TXX9_SERIAL
1121 config ITE_BOARD_GEN
1123 depends on MIPS_IVR || MIPS_ITE8172
1126 config SWAP_IO_SPACE
1130 # Unfortunately not all GT64120 systems run the chip at the same clock.
1131 # As the user for the clock rate and try to minimize the available options.
1134 prompt "Galileo Chip Clock"
1135 #default SYSCLK_83 if MIPS_EV64120
1136 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1137 default SYSCLK_83 if MIPS_EV64120
1138 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
1141 bool "75" if MIPS_EV64120
1144 bool "83.3" if MIPS_EV64120
1147 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1151 config AU1X00_USB_DEVICE
1153 depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
1158 depends on MIPS_EV96100
1161 Say Y here to support the Galileo Technology GT96100 communications
1162 controller card. There is a web page at <http://www.galileot.com/>.
1166 depends on MIPS_ITE8172 || MIPS_IVR
1171 depends on MIPS_ITE8172
1176 depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
1179 config MIPS_L1_CACHE_SHIFT
1181 default "4" if MACH_DECSTATION
1182 default "7" if SGI_IP27
1187 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1190 config HAVE_STD_PC_SERIAL_PORT
1194 bool "ARC console support"
1195 depends on SGI_IP22 || SNI_RM200_PCI
1199 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
1204 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1217 #config MAPPED_PCI_IO y
1219 # depends on SGI_IP27
1227 config TOSHIBA_BOARDS
1229 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1234 menu "CPU selection"
1242 select CPU_SUPPORTS_32BIT_KERNEL
1246 select CPU_SUPPORTS_32BIT_KERNEL
1247 select CPU_SUPPORTS_64BIT_KERNEL
1251 select CPU_SUPPORTS_32BIT_KERNEL
1253 Please make sure to pick the right CPU type. Linux/MIPS is not
1254 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1255 *not* work on R4000 machines and vice versa. However, since most
1256 of the supported machines have an R4000 (or similar) CPU, R4x00
1257 might be a safe bet. If the resulting kernel does not work,
1258 try to recompile with R3000.
1262 select CPU_SUPPORTS_32BIT_KERNEL
1266 select CPU_SUPPORTS_32BIT_KERNEL
1267 select CPU_SUPPORTS_64BIT_KERNEL
1269 The options selects support for the NEC VR41xx series of processors.
1270 Only choose this option if you have one of these processors as a
1271 kernel built with this option will not run on any other type of
1272 processor or vice versa.
1276 select CPU_SUPPORTS_32BIT_KERNEL
1277 select CPU_SUPPORTS_64BIT_KERNEL
1279 MIPS Technologies R4300-series processors.
1283 select CPU_SUPPORTS_32BIT_KERNEL
1284 select CPU_SUPPORTS_64BIT_KERNEL
1286 MIPS Technologies R4000-series processors other than 4300, including
1287 the R4000, R4400, R4600, and 4700.
1291 select CPU_SUPPORTS_32BIT_KERNEL
1292 select CPU_SUPPORTS_64BIT_KERNEL
1296 select CPU_SUPPORTS_32BIT_KERNEL
1297 select CPU_SUPPORTS_64BIT_KERNEL
1299 MIPS Technologies R5000-series processors other than the Nevada.
1306 depends on EXPERIMENTAL
1307 select CPU_SUPPORTS_32BIT_KERNEL
1309 MIPS Technologies R6000 and R6000A series processors. Note these
1310 processors are extremly rare and the support for them is incomplete.
1314 select CPU_SUPPORTS_32BIT_KERNEL
1315 select CPU_SUPPORTS_64BIT_KERNEL
1317 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1321 depends on EXPERIMENTAL
1322 select CPU_SUPPORTS_64BIT_KERNEL
1324 MIPS Technologies R8000 processors. Note these processors are
1325 uncommon and the support for them is incomplete.
1329 select CPU_SUPPORTS_32BIT_KERNEL
1330 select CPU_SUPPORTS_64BIT_KERNEL
1332 MIPS Technologies R10000-series processors.
1336 select CPU_SUPPORTS_32BIT_KERNEL
1337 select CPU_SUPPORTS_64BIT_KERNEL
1341 select CPU_SUPPORTS_32BIT_KERNEL
1342 select CPU_SUPPORTS_64BIT_KERNEL
1346 select CPU_SUPPORTS_32BIT_KERNEL
1347 select CPU_SUPPORTS_64BIT_KERNEL
1352 prompt "Kernel page size"
1353 default PAGE_SIZE_4KB
1355 config PAGE_SIZE_4KB
1358 This option select the standard 4kB Linux page size. On some
1359 R3000-family processors this is the only available page size. Using
1360 4kB page size will minimize memory consumption and is therefore
1361 recommended for low memory systems.
1363 config PAGE_SIZE_8KB
1365 depends on EXPERIMENTAL && CPU_R8000
1367 Using 8kB page size will result in higher performance kernel at
1368 the price of higher memory consumption. This option is available
1369 only on the R8000 processor. Not that at the time of this writing
1370 this option is still high experimental; there are also issues with
1371 compatibility of user applications.
1373 config PAGE_SIZE_16KB
1375 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1377 Using 16kB page size will result in higher performance kernel at
1378 the price of higher memory consumption. This option is available on
1379 all non-R3000 family processor. Not that at the time of this
1380 writing this option is still high experimental; there are also
1381 issues with compatibility of user applications.
1383 config PAGE_SIZE_64KB
1385 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1387 Using 64kB page size will result in higher performance kernel at
1388 the price of higher memory consumption. This option is available on
1389 all non-R3000 family processor. Not that at the time of this
1390 writing this option is still high experimental; there are also
1391 issues with compatibility of user applications.
1398 config IP22_CPU_SCACHE
1402 config R5000_CPU_SCACHE
1406 config RM7000_CPU_SCACHE
1410 config SIBYTE_DMA_PAGEOPS
1411 bool "Use DMA to clear/copy pages"
1414 Instead of using the CPU to zero and copy pages, use a Data Mover
1415 channel. These DMA channels are otherwise unused by the standard
1416 SiByte Linux port. Seems to give a small performance benefit.
1418 config CPU_HAS_PREFETCH
1419 bool "Enable prefetches" if CPU_SB1 && !CPU_SB1_PASS_2
1420 default y if CPU_MIPS32 || CPU_MIPS64 || CPU_RM7000 || CPU_RM9000 || CPU_R10000
1423 bool "Support for Virtual Tagged I-cache" if CPU_MIPS64 || CPU_MIPS32
1424 default y if CPU_SB1
1426 config SB1_PASS_1_WORKAROUNDS
1428 depends on CPU_SB1_PASS_1
1431 config SB1_PASS_2_WORKAROUNDS
1433 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1436 config SB1_PASS_2_1_WORKAROUNDS
1438 depends on CPU_SB1 && CPU_SB1_PASS_2
1441 config 64BIT_PHYS_ADDR
1442 bool "Support for 64-bit physical address space"
1443 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
1446 bool "Override CPU Options"
1449 Saying yes here allows you to select support for various features
1450 your CPU may or may not have. Most people should say N here.
1453 bool "ll/sc Instructions available" if CPU_ADVANCED
1454 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
1456 MIPS R4000 series and later provide the Load Linked (ll)
1457 and Store Conditional (sc) instructions. More information is
1458 available at <http://www.go-ecs.com/mips/miptek1.htm>.
1460 Say Y here if your CPU has the ll and sc instructions. Say Y here
1461 for better performance, N if you don't know. You must say Y here
1462 for multiprocessor machines.
1464 config CPU_HAS_LLDSCD
1465 bool "lld/scd Instructions available" if CPU_ADVANCED
1466 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32
1468 Say Y here if your CPU has the lld and scd instructions, the 64-bit
1469 equivalents of ll and sc. Say Y here for better performance, N if
1470 you don't know. You must say Y here for multiprocessor machines.
1473 bool "Writeback Buffer available" if CPU_ADVANCED
1474 default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
1476 Say N here for slightly better performance. You must say Y here for
1477 machines which require flushing of write buffers in software. Saying
1478 Y is the safe option; N may result in kernel malfunction and crashes.
1482 depends on !CPU_R3000
1486 # - Highmem only makes sense for the 32-bit kernel.
1487 # - The current highmem code will only work properly on physically indexed
1488 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1489 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1490 # moment we protect the user and offer the highmem option only on machines
1491 # where it's known to be safe. This will not offer highmem on a few systems
1492 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1493 # indexed CPUs but we're playing safe.
1494 # - We should not offer highmem for system of which we already know that they
1495 # don't have memory configurations that could gain from highmem support in
1496 # the kernel because they don't support configurations with RAM at physical
1497 # addresses > 0x20000000.
1500 bool "High Memory Support"
1501 depends on 32BIT && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
1503 config ARCH_FLATMEM_ENABLE
1510 bool "Multi-Processing support"
1511 depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27
1513 This enables support for systems with more than one CPU. If you have
1514 a system with only one CPU, like most personal computers, say N. If
1515 you have a system with more than one CPU, say Y.
1517 If you say N here, the kernel will run on single and multiprocessor
1518 machines, but will use only one CPU of a multiprocessor machine. If
1519 you say Y here, the kernel will run on many, but not all,
1520 singleprocessor machines. On a singleprocessor machine, the kernel
1521 will run faster if you say N here.
1523 People using multiprocessor machines who say Y here should also say
1524 Y to "Enhanced Real Time Clock Support", below.
1526 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1527 available at <http://www.tldp.org/docs.html#howto>.
1529 If you don't know what to do here, say N.
1532 int "Maximum number of CPUs (2-64)"
1535 default "64" if SGI_IP27
1538 This allows you to specify the maximum number of CPUs which this
1539 kernel will support. The maximum supported value is 32 for 32-bit
1540 kernel and 64 for 64-bit kernels; the minimum value which makes
1543 This is purely to save memory - each supported CPU adds
1544 approximately eight kilobytes to the kernel image.
1547 bool "Preemptible Kernel"
1549 This option reduces the latency of the kernel when reacting to
1550 real-time or interactive events by allowing a low priority process to
1551 be preempted even if it is in kernel mode executing a system call.
1552 This allows applications to run more reliably even when the system is
1556 bool "DS1742 BRAM/RTC support"
1557 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1559 config MIPS_INSANE_LARGE
1560 bool "Support for large 64-bit configurations"
1561 depends on CPU_R10000 && 64BIT
1563 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1564 previous 64-bit processors which only supported 40 bit / 1TB. If you
1565 need processes of more than 1TB virtual address space, say Y here.
1566 This will result in additional memory usage, so it is not
1567 recommended for normal users.
1569 config RWSEM_GENERIC_SPINLOCK
1575 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1581 bool "Support for PCI controller"
1582 depends on HW_HAS_PCI
1584 Find out whether you have a PCI motherboard. PCI is the name of a
1585 bus system, i.e. the way the CPU talks to the other stuff inside
1586 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1589 The PCI-HOWTO, available from
1590 <http://www.tldp.org/docs.html#howto>, contains valuable
1591 information about which PCI hardware does work under Linux and which
1598 source "drivers/pci/Kconfig"
1601 # ISA support is now enabled via select. Too many systems still have the one
1602 # or other ISA chip on the board that users don't know about so don't expect
1603 # users to choose the right thing ...
1610 depends on SGI_IP22 || SNI_RM200_PCI
1613 The Extended Industry Standard Architecture (EISA) bus was
1614 developed as an open alternative to the IBM MicroChannel bus.
1616 The EISA bus provided some of the features of the IBM MicroChannel
1617 bus while maintaining backward compatibility with cards made for
1618 the older ISA bus. The EISA bus saw limited use between 1988 and
1619 1995 when it was made obsolete by the PCI bus.
1621 Say Y here if you are building a kernel for an EISA-based machine.
1625 source "drivers/eisa/Kconfig"
1628 bool "TURBOchannel support"
1629 depends on MACH_DECSTATION
1631 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1632 processors. Documentation on writing device drivers for TurboChannel
1634 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1637 # bool "Access.Bus support"
1650 source "drivers/pcmcia/Kconfig"
1652 source "drivers/pci/hotplug/Kconfig"
1656 menu "Executable file formats"
1658 source "fs/Kconfig.binfmt"
1665 bool "Use 64-bit ELF format for building"
1668 A 64-bit kernel is usually built using the 64-bit ELF binary object
1669 format as it's one that allows arbitrary 64-bit constructs. For
1670 kernels that are loaded within the KSEG compatibility segments the
1671 32-bit ELF format can optionally be used resulting in a somewhat
1672 smaller binary, but this option is not explicitly supported by the
1673 toolchain and since binutils 2.14 it does not even work at all.
1675 Say Y to use the 64-bit format or N to use the 32-bit one.
1680 bool "Include IRIX binary compatibility"
1681 depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN
1683 config MIPS32_COMPAT
1684 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1687 Select this option if you want Linux/MIPS 32-bit binary
1688 compatibility. Since all software available for Linux/MIPS is
1689 currently 32-bit you should say Y here.
1693 depends on MIPS32_COMPAT
1697 bool "Kernel support for o32 binaries"
1698 depends on MIPS32_COMPAT
1700 Select this option if you want to run o32 binaries. These are pure
1701 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1702 existing binaries are in this format.
1707 bool "Kernel support for n32 binaries"
1708 depends on MIPS32_COMPAT
1710 Select this option if you want to run n32 binaries. These are
1711 64-bit binaries using 32-bit quantities for addressing and certain
1712 data that would normally be 64-bit. They are used in special
1719 default y if MIPS32_O32 || MIPS32_N32
1722 bool "Power Management support (EXPERIMENTAL)"
1723 depends on EXPERIMENTAL && MACH_AU1X00
1727 source "net/Kconfig"
1729 source "drivers/Kconfig"
1733 source "arch/mips/Kconfig.debug"
1735 source "security/Kconfig"
1737 source "crypto/Kconfig"
1739 source "lib/Kconfig"
1742 # Use the generic interrupt handling code in kernel/irq/:
1744 config GENERIC_HARDIRQS
1748 config GENERIC_IRQ_PROBE