4 # Horrible source of confusion. Die, die, die ...
10 Select this option if you want to build a 64-bit kernel. You should
11 only select this option if you have hardware that actually has a
12 64-bit processor and if your application will actually benefit from
13 64-bit processing, otherwise say N. You must say Y for kernels for
14 SGI IP27 (Origin 200 and 2000) and SGI IP32 (O2). If in doubt say N.
21 depends on MIPS64 = 'n'
24 mainmenu "Linux/MIPS Kernel Configuration"
28 menu "Machine selection"
31 bool "Support for the Jazz family of machines"
34 select GENERIC_ISA_DMA
38 This a family of machines based on the MIPS R4030 chipset which was
39 used by several vendors to build RISC/os and Windows NT workstations.
40 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
41 Olivetti M700-10 workstations.
44 bool "Support for Acer PICA 1 chipset (EXPERIMENTAL)"
45 depends on MACH_JAZZ && EXPERIMENTAL
46 select DMA_NONCOHERENT
48 This is a machine with a R4400 133/150 MHz CPU. To compile a Linux
49 kernel that runs on these, say Y here. For details about Linux on
50 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
51 <http://www.linux-mips.org/>.
53 config MIPS_MAGNUM_4000
54 bool "Support for MIPS Magnum 4000"
56 select DMA_NONCOHERENT
58 This is a machine with a R4000 100 MHz CPU. To compile a Linux
59 kernel that runs on these, say Y here. For details about Linux on
60 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
61 <http://www.linux-mips.org/>.
64 bool "Support for Olivetti M700-10"
66 select DMA_NONCOHERENT
68 This is a machine with a R4000 100 MHz CPU. To compile a Linux
69 kernel that runs on these, say Y here. For details about Linux on
70 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
71 <http://www.linux-mips.org/>.
74 bool "Support for NEC VR41XX-based machines"
77 bool "Support for NEC CMB-VR4133"
78 depends on MACH_VR41XX
80 select DMA_NONCOHERENT
85 bool "Support for Rockhopper baseboard"
86 depends on NEC_CMBVR4133
88 select HAVE_STD_PC_SERIAL_PORT
91 bool "Support for CASIO CASSIOPEIA E-10/15/55/65"
92 depends on MACH_VR41XX
93 select CPU_LITTLE_ENDIAN
94 select DMA_NONCOHERENT
99 bool "Support for IBM WorkPad z50"
100 depends on MACH_VR41XX
101 select CPU_LITTLE_ENDIAN
102 select DMA_NONCOHERENT
107 bool "Support for TANBAC VR4131 multichip module and TANBAC VR4131DIMM"
108 depends on MACH_VR41XX
109 select CPU_LITTLE_ENDIAN
110 select DMA_NONCOHERENT
114 The TANBAC VR4131 multichip module(TB0225) and
115 the TANBAC VR4131DIMM(TB0229) are MIPS-based platforms
116 manufactured by TANBAC.
117 Please refer to <http://www.tanbac.co.jp/>
118 about VR4131 multichip module and VR4131DIMM.
121 bool "Support for TANBAC Mbase(TB0226)"
122 depends on TANBAC_TB022X
125 The TANBAC Mbase(TB0226) is a MIPS-based platform manufactured by TANBAC.
126 Please refer to <http://www.tanbac.co.jp/> about Mbase.
129 bool "Support for Victor MP-C303/304"
130 depends on MACH_VR41XX
131 select CPU_LITTLE_ENDIAN
132 select DMA_NONCOHERENT
137 bool "Support for ZAO Networks Capcella"
138 depends on MACH_VR41XX
139 select CPU_LITTLE_ENDIAN
140 select DMA_NONCOHERENT
145 bool "Add PCI control unit support of NEC VR4100 series"
146 depends on MACH_VR41XX && HW_HAS_PCI
151 tristate "Add NEC VRC4173 companion chip support"
152 depends on MACH_VR41XX && PCI_VR41XX
154 The NEC VRC4173 is a companion chip for NEC VR4122/VR4131.
156 config TOSHIBA_JMR3927
157 bool "Support for Toshiba JMR-TX3927 board"
159 select DMA_NONCOHERENT
164 bool "Support for Cobalt Server (EXPERIMENTAL)"
165 depends on EXPERIMENTAL
166 select DMA_NONCOHERENT
171 config MACH_DECSTATION
172 bool "Support for DECstations"
174 select DMA_NONCOHERENT
176 depends on MIPS32 || EXPERIMENTAL
178 This enables support for DEC's MIPS based workstations. For details
179 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
180 DECstation porting pages on <http://decstation.unix-ag.org/>.
182 If you have one of the following DECstation Models you definitely
183 want to choose R4xx0 for the CPU Type:
190 otherwise choose R3000.
193 bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
194 depends on EXPERIMENTAL
195 select DMA_NONCOHERENT
199 This is an evaluation board based on the Galileo GT-64120
200 single-chip system controller that contains a MIPS R5000 compatible
201 core running at 75/100MHz. Their website is located at
202 <http://www.marvell.com/>. Say Y here if you wish to build a
203 kernel for this platform.
206 bool "Enable Second PCI (PCI1)"
207 depends on MIPS_EV64120
210 bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
211 depends on EXPERIMENTAL
212 select DMA_NONCOHERENT
216 select RM7000_CPU_SCACHE
219 This is an evaluation board based on the Galileo GT-96100 LAN/WAN
220 communications controllers containing a MIPS R5000 compatible core
221 running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
222 here if you wish to build a kernel for this platform.
225 bool "Support for Globespan IVR board"
226 select DMA_NONCOHERENT
229 This is an evaluation board built by Globespan to showcase thir
230 iVR (Internet Video Recorder) design. It utilizes a QED RM5231
231 R5000 MIPS core. More information can be found out their website
232 located at <http://www.globespan.net/>. Say Y here if you wish to
233 build a kernel for this platform.
236 bool "Support for LASAT Networks platforms"
237 select DMA_NONCOHERENT
240 select R5000_CPU_SCACHE
243 tristate "PICVUE LCD display driver"
247 tristate "PICVUE LCD display driver /proc interface"
251 bool "DS1603 RTC driver"
255 bool "LASAT sysctl interface"
259 bool "Support for ITE 8172G board"
260 select DMA_NONCOHERENT
263 Ths is an evaluation board made by ITE <http://www.ite.com.tw/>
264 with ATX form factor that utilizes a MIPS R5000 to work with its
265 ITE8172G companion internet appliance chip. The MIPS core can be
266 either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build
267 a kernel for this platform.
270 bool "Support for older IT8172 (Rev C)"
271 depends on MIPS_ITE8172
273 Say Y here to support the older, Revision C version of the Integrated
274 Technology Express, Inc. ITE8172 SBC. Vendor page at
275 <http://www.ite.com.tw/ia/brief_it8172bsp.htm>; picture of the
276 board at <http://www.mvista.com/partners/semiconductor/ite.html>.
279 bool "Support for MIPS Atlas board"
281 select DMA_NONCOHERENT
286 This enables support for the QED R5231-based MIPS Atlas evaluation
290 bool "Support for MIPS Malta board"
292 select HAVE_STD_PC_SERIAL_PORT
293 select DMA_NONCOHERENT
294 select GENERIC_ISA_DMA
300 This enables support for the VR5000-based MIPS Malta evaluation
304 bool "Support for MIPS SEAD board (EXPERIMENTAL)"
305 depends on EXPERIMENTAL
307 select DMA_NONCOHERENT
309 config MOMENCO_OCELOT
310 bool "Support for Momentum Ocelot board"
311 select DMA_NONCOHERENT
316 select RM7000_CPU_SCACHE
319 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
320 Momentum Computer <http://www.momenco.com/>.
322 config MOMENCO_OCELOT_G
323 bool "Support for Momentum Ocelot-G board"
324 select DMA_NONCOHERENT
329 select RM7000_CPU_SCACHE
332 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
333 Momentum Computer <http://www.momenco.com/>.
335 config MOMENCO_OCELOT_C
336 bool "Support for Momentum Ocelot-C board"
337 select DMA_NONCOHERENT
342 select RM7000_CPU_SCACHE
345 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
346 Momentum Computer <http://www.momenco.com/>.
348 config MOMENCO_OCELOT_3
349 bool "Support for Momentum Ocelot-3 board"
351 select DMA_NONCOHERENT
357 select RM7000_CPU_SCACHE
360 The Ocelot-3 is based off Discovery III System Controller and
361 PMC-Sierra Rm79000 core.
363 config MOMENCO_JAGUAR_ATX
364 bool "Support for Momentum Jaguar board"
366 select DMA_NONCOHERENT
373 select RM7000_CPU_SCACHE
376 The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
377 Momentum Computer <http://www.momenco.com/>.
381 depends on MOMENCO_JAGUAR_ATX
383 Select to Y if jump JP5 is set on your board, N otherwise. Normally
384 the jumper is set, so if you feel unsafe, just say Y.
387 bool "Support for PMC-Sierra Yosemite eval board"
395 Yosemite is an evaluation board for the RM9000x2 processor
396 manufactured by PMC-Sierra
398 config HYPERTRANSPORT
399 bool "Hypertransport Support for PMC-Sierra Yosemite"
400 depends on PMC_YOSEMITE
403 bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
404 depends on EXPERIMENTAL
405 select DMA_NONCOHERENT
406 select HAVE_STD_PC_SERIAL_PORT
412 This enables support for the VR5000-based NEC DDB Vrc-5074
416 bool "Support for NEC DDB Vrc-5476"
417 select DMA_NONCOHERENT
418 select HAVE_STD_PC_SERIAL_PORT
424 This enables support for the R5432-based NEC DDB Vrc-5476
427 Features : kernel debugging, serial terminal, NFS root fs, on-board
428 ether port USB, AC97, PCI, PCI VGA card & framebuffer console,
429 IDE controller, PS2 keyboard, PS2 mouse, etc.
432 bool "Support for NEC DDB Vrc-5477"
433 select DMA_NONCOHERENT
438 This enables support for the R5432-based NEC DDB Vrc-5477,
439 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
441 Features : kernel debugging, serial terminal, NFS root fs, on-board
442 ether port USB, AC97, PCI, etc.
444 config DDB5477_BUS_FREQUENCY
445 int "bus frequency (in kHZ, 0 for auto-detect)"
450 bool "Support for Qemu"
452 select GENERIC_ISA_DMA
453 select HAVE_STD_PC_SERIAL_PORT
457 select SYS_SUPPORTS_32BIT_KERNEL
458 select SYS_SUPPORTS_BIG_ENDIAN
460 Qemu is a software emulator which among other architectures also
461 can simulate a MIPS32 4Kc system. This patch adds support for the
462 system architecture that currently is being simulated by Qemu. It
463 will eventually be removed again when Qemu has the capability to
464 simulate actual MIPS hardware platforms. More information on Qemu
465 can be found at http://www.linux-mips.org/wiki/Qemu.
468 bool "Support for SGI IP22 (Indy/Indigo2)"
472 select DMA_NONCOHERENT
473 select IP22_CPU_SCACHE
477 This are the SGI Indy, Challenge S and Indigo2, as well as certain
478 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
479 that runs on these, say Y here.
482 bool "Support for SGI IP27 (Origin200/2000)"
490 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
491 workstations. To compile a Linux kernel that runs on these, say Y
496 # depends on SGI_IP27
497 # This options adds support for userspace processes upto 16TB size.
498 # Normally the limit is just .5TB.
500 config SGI_SN0_N_MODE
504 The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
505 configured in either N-Modes which allows for more nodes or M-Mode
506 which allows for more memory. Your system is most probably
507 running in M-Mode, so you should say N here.
509 config ARCH_DISCONTIGMEM_ENABLE
511 default y if SGI_IP27
513 Say Y to upport efficient handling of discontiguous physical memory,
514 for architectures which are either NUMA (Non-Uniform Memory Access)
515 or have huge holes in the physical address space for other reasons.
516 See <file:Documentation/vm/numa> for more.
522 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
523 Access). This option is for configuring high-end multiprocessor
524 server machines. If in doubt, say N.
527 bool "Mapped kernel support"
530 Change the way a Linux kernel is loaded into memory on a MIPS64
531 machine. This is required in order to support text replication and
532 NUMA. If you need to understand it, read the source code.
534 config REPLICATE_KTEXT
535 bool "Kernel text replication support"
538 Say Y here to enable replicating the kernel text across multiple
539 nodes in a NUMA cluster. This trades memory for speed.
541 config REPLICATE_EXHANDLERS
542 bool "Exception handler replication support"
545 Say Y here to enable replicating the kernel exception handlers
546 across multiple nodes in a NUMA cluster. This trades memory for
550 bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
551 depends on MIPS64 && EXPERIMENTAL
557 select DMA_NONCOHERENT
559 select R5000_CPU_SCACHE
560 select RM7000_CPU_SCACHE
562 If you want this kernel to run on SGI O2 workstation, say Y here.
566 bool "Support for AMD/Alchemy Au1X00 SOCs"
569 prompt "Au1X00 SOC Type"
570 depends on SOC_AU1X00
572 Say Y here to enable support for one of three AMD/Alchemy
573 SOCs. For additional documentation see www.amd.com.
587 prompt "AMD/Alchemy Au1x00 board support"
588 depends on SOC_AU1X00
590 These are evaluation boards built by AMD/Alchemy to
591 showcase their Au1X00 Internet Edge Processors. The SOC design
592 is based on the MIPS32 architecture running at 266/400/500MHz
593 with many integrated peripherals. Further information can be
594 found at their website, <http://www.amd.com/>. Say Y here if you
595 wish to build a kernel for this platform.
599 depends on SOC_AU1000
600 select DMA_NONCOHERENT
606 depends on SOC_AU1100
607 select DMA_NONCOHERENT
613 depends on SOC_AU1500
619 depends on SOC_AU1550
622 select MIPS_DISABLE_OBSOLETE_IDE
626 depends on SOC_AU1000
627 select DMA_NONCOHERENT
632 depends on SOC_AU1100
633 select DMA_NONCOHERENT
637 depends on SOC_AU1500
640 select MIPS_DISABLE_OBSOLETE_IDE
644 depends on SOC_AU1550
647 select MIPS_DISABLE_OBSOLETE_IDE
650 bool "Bosporus board"
651 depends on SOC_AU1500
652 select DMA_NONCOHERENT
656 depends on SOC_AU1500
657 select DMA_NONCOHERENT
660 bool "MyCable XXS1500 board"
661 depends on SOC_AU1500
662 select DMA_NONCOHERENT
665 bool "4G Systems MTX-1 board"
666 depends on SOC_AU1500
668 select DMA_NONCOHERENT
672 config SIBYTE_SB1xxx_SOC
673 bool "Support for Broadcom BCM1xxx SOCs (EXPERIMENTAL)"
674 depends on EXPERIMENTAL
680 prompt "BCM1xxx SOC-based board"
681 depends on SIBYTE_SB1xxx_SOC
684 Enable support for boards based on the SiByte line of SOCs
685 from Broadcom. There are configurations for the known
686 evaluation boards, or you can choose "Other" and add your
687 own board support code.
690 bool "BCM91250A-SWARM"
693 config SIBYTE_SENTOSA
694 bool "BCM91250E-Sentosa"
698 bool "BCM91125E-Rhone"
699 select SIBYTE_BCM1125H
702 bool "BCM91120x-Carmel"
703 select SIBYTE_BCM1120
705 config SIBYTE_PTSWARM
706 bool "BCM91250PT-PTSWARM"
709 config SIBYTE_LITTLESUR
710 bool "BCM91250C2-LittleSur"
714 bool "BCM91120C-CRhine"
715 select SIBYTE_BCM1120
718 bool "BCM91125C-CRhone"
719 select SIBYTE_BCM1125
721 config SIBYTE_UNKNOWN
728 depends on SIBYTE_SB1xxx_SOC && !SIBYTE_UNKNOWN
732 prompt "BCM1xxx SOC Type"
733 depends on SIBYTE_UNKNOWN
734 default SIBYTE_UNK_BCM1250
736 Since you haven't chosen a known evaluation board from
737 Broadcom, you must explicitly pick the SOC this kernel is
740 config SIBYTE_UNK_BCM1250
744 config SIBYTE_UNK_BCM1120
746 select SIBYTE_BCM1120
748 config SIBYTE_UNK_BCM1125
750 select SIBYTE_BCM1125
752 config SIBYTE_UNK_BCM1125H
754 select SIBYTE_BCM1125H
762 config SIBYTE_BCM1120
764 select SIBYTE_BCM112X
766 config SIBYTE_BCM1125
769 select SIBYTE_BCM112X
771 config SIBYTE_BCM1125H
774 select SIBYTE_BCM112X
776 config SIBYTE_BCM112X
780 prompt "SiByte SOC Stepping"
781 depends on SIBYTE_SB1xxx_SOC
783 config CPU_SB1_PASS_1
785 depends on SIBYTE_SB1250
786 select CPU_HAS_PREFETCH
788 config CPU_SB1_PASS_2_1250
790 depends on SIBYTE_SB1250
791 select CPU_SB1_PASS_2
793 Also called BCM1250 Pass 2
795 config CPU_SB1_PASS_2_2
797 depends on SIBYTE_SB1250
798 select CPU_HAS_PREFETCH
800 Also called BCM1250 Pass 2.2
802 config CPU_SB1_PASS_4
804 depends on SIBYTE_SB1250
805 select CPU_HAS_PREFETCH
807 Also called BCM1250 Pass 3
809 config CPU_SB1_PASS_2_112x
811 depends on SIBYTE_BCM112X
812 select CPU_SB1_PASS_2
814 config CPU_SB1_PASS_3
816 depends on SIBYTE_BCM112X
817 select CPU_HAS_PREFETCH
821 config CPU_SB1_PASS_2
824 config SIBYTE_HAS_LDT
826 depends on PCI && (SIBYTE_SB1250 || SIBYTE_BCM1125H)
830 bool "Running under simulation"
831 depends on SIBYTE_SB1xxx_SOC
833 Build a kernel suitable for running under the GDB simulator.
834 Primarily adjusts the kernel's notion of time.
837 bool "Booting from CFE"
838 depends on SIBYTE_SB1xxx_SOC
840 Make use of the CFE API for enumerating available memory,
841 controlling secondary CPUs, and possibly console output.
843 config SIBYTE_CFE_CONSOLE
844 bool "Use firmware console"
845 depends on SIBYTE_CFE
847 Use the CFE API's console write routines during boot. Other console
848 options (VT console, sb1250 duart console, etc.) should not be
851 config SIBYTE_STANDALONE
853 depends on SIBYTE_SB1xxx_SOC && !SIBYTE_CFE
856 config SIBYTE_STANDALONE_RAM_SIZE
857 int "Memory size (in megabytes)"
858 depends on SIBYTE_STANDALONE
861 config SIBYTE_BUS_WATCHER
862 bool "Support for Bus Watcher statistics"
863 depends on SIBYTE_SB1xxx_SOC
865 Handle and keep statistics on the bus error interrupts (COR_ECC,
868 config SIBYTE_BW_TRACE
869 bool "Capture bus trace before bus error"
870 depends on SIBYTE_BUS_WATCHER
872 Run a continuous bus trace, dumping the raw data as soon as
873 a ZBbus error is detected. Cannot work if ZBbus profiling
874 is turned on, and also will interfere with JTAG-based trace
875 buffer activity. Raw buffer data is dumped to console, and
876 must be processed off-line.
878 config SIBYTE_SB1250_PROF
879 bool "Support for SB1/SOC profiling - SB1/SCD perf counters"
880 depends on SIBYTE_SB1xxx_SOC
883 bool "Support for ZBbus profiling"
884 depends on SIBYTE_SB1xxx_SOC
887 bool "Support for SNI RM200 PCI"
891 select DMA_NONCOHERENT
892 select GENERIC_ISA_DMA
893 select HAVE_STD_PC_SERIAL_PORT
898 The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
899 Nixdorf Informationssysteme (SNI), parent company of Pyramid
900 Technology and now in turn merged with Fujitsu. Say Y here to
901 support this machine type.
903 config TOSHIBA_RBTX4927
904 bool "Support for Toshiba TBTX49[23]7 board"
906 select DMA_NONCOHERENT
907 select HAS_TXX9_SERIAL
913 This Toshiba board is based on the TX4927 processor. Say Y here to
914 support this machine type
916 config TOSHIBA_FPCIB0
917 bool "FPCIB0 Backplane Support"
918 depends on TOSHIBA_RBTX4927
920 config RWSEM_GENERIC_SPINLOCK
924 config RWSEM_XCHGADD_ALGORITHM
927 config GENERIC_CALIBRATE_DELAY
936 # Select some configuration options automatically based on user selections.
940 depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
949 config DMA_NONCOHERENT
954 depends on MACH_DECSTATION
957 config GENERIC_ISA_DMA
959 depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
964 depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
973 depends on MIPS_ATLAS || MIPS_MALTA
978 depends on MIPS_ATLAS || MIPS_MALTA
986 config MIPS_DISABLE_OBSOLETE_IDE
989 config CPU_LITTLE_ENDIAN
990 bool "Generate little endian code"
991 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
992 default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
994 Some MIPS machines can be configured for either little or big endian
995 byte order. These modes require different kernels. Say Y if your
996 machine is little endian, N if it's a big endian machine.
1007 config DDB5XXX_COMMON
1009 depends on DDB5074 || DDB5476 || DDB5477
1012 config MIPS_BOARDS_GEN
1014 depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
1019 depends on MIPS_COBALT
1024 depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
1029 depends on TOSHIBA_JMR3927
1030 select HAS_TXX9_SERIAL
1036 config ITE_BOARD_GEN
1038 depends on MIPS_IVR || MIPS_ITE8172
1041 config SWAP_IO_SPACE
1045 # Unfortunately not all GT64120 systems run the chip at the same clock.
1046 # As the user for the clock rate and try to minimize the available options.
1049 prompt "Galileo Chip Clock"
1050 #default SYSCLK_83 if MIPS_EV64120
1051 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1052 default SYSCLK_83 if MIPS_EV64120
1053 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
1056 bool "75" if MIPS_EV64120
1059 bool "83.3" if MIPS_EV64120
1062 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1066 config AU1X00_USB_DEVICE
1068 depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
1073 depends on MIPS_EV96100
1076 Say Y here to support the Galileo Technology GT96100 communications
1077 controller card. There is a web page at <http://www.galileot.com/>.
1081 depends on MIPS_ITE8172 || MIPS_IVR
1086 depends on MIPS_ITE8172
1091 depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
1094 config MIPS_L1_CACHE_SHIFT
1096 default "4" if MACH_DECSTATION
1097 default "7" if SGI_IP27
1102 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1105 config HAVE_STD_PC_SERIAL_PORT
1109 bool "ARC console support"
1110 depends on SGI_IP22 || SNI_RM200_PCI
1114 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
1119 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1132 #config MAPPED_PCI_IO y
1134 # depends on SGI_IP27
1142 config TOSHIBA_BOARDS
1144 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1149 menu "CPU selection"
1165 Please make sure to pick the right CPU type. Linux/MIPS is not
1166 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1167 *not* work on R4000 machines and vice versa. However, since most
1168 of the supported machines have an R4000 (or similar) CPU, R4x00
1169 might be a safe bet. If the resulting kernel does not work,
1170 try to recompile with R3000.
1179 The options selects support for the NEC VR41xx series of processors.
1180 Only choose this option if you have one of these processors as a
1181 kernel built with this option will not run on any other type of
1182 processor or vice versa.
1187 MIPS Technologies R4300-series processors.
1192 MIPS Technologies R4000-series processors other than 4300, including
1193 the R4000, R4400, R4600, and 4700.
1201 MIPS Technologies R5000-series processors other than the Nevada.
1208 depends on MIPS32 && EXPERIMENTAL
1210 MIPS Technologies R6000 and R6000A series processors. Note these
1211 processors are extremly rare and the support for them is incomplete.
1216 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1220 depends on MIPS64 && EXPERIMENTAL
1222 MIPS Technologies R8000 processors. Note these processors are
1223 uncommon and the support for them is incomplete.
1228 MIPS Technologies R10000-series processors.
1242 prompt "Kernel page size"
1243 default PAGE_SIZE_4KB
1245 config PAGE_SIZE_4KB
1248 This option select the standard 4kB Linux page size. On some
1249 R3000-family processors this is the only available page size. Using
1250 4kB page size will minimize memory consumption and is therefore
1251 recommended for low memory systems.
1253 config PAGE_SIZE_8KB
1255 depends on EXPERIMENTAL && CPU_R8000
1257 Using 8kB page size will result in higher performance kernel at
1258 the price of higher memory consumption. This option is available
1259 only on the R8000 processor. Not that at the time of this writing
1260 this option is still high experimental; there are also issues with
1261 compatibility of user applications.
1263 config PAGE_SIZE_16KB
1265 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1267 Using 16kB page size will result in higher performance kernel at
1268 the price of higher memory consumption. This option is available on
1269 all non-R3000 family processor. Not that at the time of this
1270 writing this option is still high experimental; there are also
1271 issues with compatibility of user applications.
1273 config PAGE_SIZE_64KB
1275 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1277 Using 64kB page size will result in higher performance kernel at
1278 the price of higher memory consumption. This option is available on
1279 all non-R3000 family processor. Not that at the time of this
1280 writing this option is still high experimental; there are also
1281 issues with compatibility of user applications.
1288 config IP22_CPU_SCACHE
1292 config R5000_CPU_SCACHE
1296 config RM7000_CPU_SCACHE
1300 config SIBYTE_DMA_PAGEOPS
1301 bool "Use DMA to clear/copy pages"
1304 Instead of using the CPU to zero and copy pages, use a Data Mover
1305 channel. These DMA channels are otherwise unused by the standard
1306 SiByte Linux port. Seems to give a small performance benefit.
1308 config CPU_HAS_PREFETCH
1309 bool "Enable prefetches" if CPU_SB1 && !CPU_SB1_PASS_2
1310 default y if CPU_MIPS32 || CPU_MIPS64 || CPU_RM7000 || CPU_RM9000 || CPU_R10000
1313 bool "Support for Virtual Tagged I-cache" if CPU_MIPS64 || CPU_MIPS32
1314 default y if CPU_SB1
1316 config SB1_PASS_1_WORKAROUNDS
1318 depends on CPU_SB1_PASS_1
1321 config SB1_PASS_2_WORKAROUNDS
1323 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1326 config SB1_PASS_2_1_WORKAROUNDS
1328 depends on CPU_SB1 && CPU_SB1_PASS_2
1331 config 64BIT_PHYS_ADDR
1332 bool "Support for 64-bit physical address space"
1333 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && MIPS32
1336 bool "Override CPU Options"
1339 Saying yes here allows you to select support for various features
1340 your CPU may or may not have. Most people should say N here.
1343 bool "ll/sc Instructions available" if CPU_ADVANCED
1344 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
1346 MIPS R4000 series and later provide the Load Linked (ll)
1347 and Store Conditional (sc) instructions. More information is
1348 available at <http://www.go-ecs.com/mips/miptek1.htm>.
1350 Say Y here if your CPU has the ll and sc instructions. Say Y here
1351 for better performance, N if you don't know. You must say Y here
1352 for multiprocessor machines.
1354 config CPU_HAS_LLDSCD
1355 bool "lld/scd Instructions available" if CPU_ADVANCED
1356 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32
1358 Say Y here if your CPU has the lld and scd instructions, the 64-bit
1359 equivalents of ll and sc. Say Y here for better performance, N if
1360 you don't know. You must say Y here for multiprocessor machines.
1363 bool "Writeback Buffer available" if CPU_ADVANCED
1364 default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
1366 Say N here for slightly better performance. You must say Y here for
1367 machines which require flushing of write buffers in software. Saying
1368 Y is the safe option; N may result in kernel malfunction and crashes.
1372 depends on !CPU_R3000
1376 # - Highmem only makes sense for the 32-bit kernel.
1377 # - The current highmem code will only work properly on physically indexed
1378 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1379 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1380 # moment we protect the user and offer the highmem option only on machines
1381 # where it's known to be safe. This will not offer highmem on a few systems
1382 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1383 # indexed CPUs but we're playing safe.
1384 # - We should not offer highmem for system of which we already know that they
1385 # don't have memory configurations that could gain from highmem support in
1386 # the kernel because they don't support configurations with RAM at physical
1387 # addresses > 0x20000000.
1390 bool "High Memory Support"
1391 depends on MIPS32 && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
1393 config ARCH_FLATMEM_ENABLE
1400 bool "Multi-Processing support"
1401 depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27
1403 This enables support for systems with more than one CPU. If you have
1404 a system with only one CPU, like most personal computers, say N. If
1405 you have a system with more than one CPU, say Y.
1407 If you say N here, the kernel will run on single and multiprocessor
1408 machines, but will use only one CPU of a multiprocessor machine. If
1409 you say Y here, the kernel will run on many, but not all,
1410 singleprocessor machines. On a singleprocessor machine, the kernel
1411 will run faster if you say N here.
1413 People using multiprocessor machines who say Y here should also say
1414 Y to "Enhanced Real Time Clock Support", below.
1416 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1417 available at <http://www.tldp.org/docs.html#howto>.
1419 If you don't know what to do here, say N.
1422 int "Maximum number of CPUs (2-64)"
1425 default "64" if SGI_IP27
1428 This allows you to specify the maximum number of CPUs which this
1429 kernel will support. The maximum supported value is 32 for 32-bit
1430 kernel and 64 for 64-bit kernels; the minimum value which makes
1433 This is purely to save memory - each supported CPU adds
1434 approximately eight kilobytes to the kernel image.
1437 bool "Preemptible Kernel"
1439 This option reduces the latency of the kernel when reacting to
1440 real-time or interactive events by allowing a low priority process to
1441 be preempted even if it is in kernel mode executing a system call.
1442 This allows applications to run more reliably even when the system is
1446 bool "DS1742 BRAM/RTC support"
1447 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1449 config MIPS_INSANE_LARGE
1450 bool "Support for large 64-bit configurations"
1451 depends on CPU_R10000 && MIPS64
1453 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1454 previous 64-bit processors which only supported 40 bit / 1TB. If you
1455 need processes of more than 1TB virtual address space, say Y here.
1456 This will result in additional memory usage, so it is not
1457 recommended for normal users.
1459 config RWSEM_GENERIC_SPINLOCK
1465 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1471 bool "Support for PCI controller"
1472 depends on HW_HAS_PCI
1474 Find out whether you have a PCI motherboard. PCI is the name of a
1475 bus system, i.e. the way the CPU talks to the other stuff inside
1476 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1479 The PCI-HOWTO, available from
1480 <http://www.tldp.org/docs.html#howto>, contains valuable
1481 information about which PCI hardware does work under Linux and which
1488 source "drivers/pci/Kconfig"
1491 # ISA support is now enabled via select. Too many systems still have the one
1492 # or other ISA chip on the board that users don't know about so don't expect
1493 # users to choose the right thing ...
1500 depends on SGI_IP22 || SNI_RM200_PCI
1503 The Extended Industry Standard Architecture (EISA) bus was
1504 developed as an open alternative to the IBM MicroChannel bus.
1506 The EISA bus provided some of the features of the IBM MicroChannel
1507 bus while maintaining backward compatibility with cards made for
1508 the older ISA bus. The EISA bus saw limited use between 1988 and
1509 1995 when it was made obsolete by the PCI bus.
1511 Say Y here if you are building a kernel for an EISA-based machine.
1515 source "drivers/eisa/Kconfig"
1518 bool "TURBOchannel support"
1519 depends on MACH_DECSTATION
1521 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1522 processors. Documentation on writing device drivers for TurboChannel
1524 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1527 # bool "Access.Bus support"
1540 source "drivers/pcmcia/Kconfig"
1542 source "drivers/pci/hotplug/Kconfig"
1546 menu "Executable file formats"
1548 source "fs/Kconfig.binfmt"
1555 bool "Use 64-bit ELF format for building"
1558 A 64-bit kernel is usually built using the 64-bit ELF binary object
1559 format as it's one that allows arbitrary 64-bit constructs. For
1560 kernels that are loaded within the KSEG compatibility segments the
1561 32-bit ELF format can optionally be used resulting in a somewhat
1562 smaller binary, but this option is not explicitly supported by the
1563 toolchain and since binutils 2.14 it does not even work at all.
1565 Say Y to use the 64-bit format or N to use the 32-bit one.
1570 bool "Include IRIX binary compatibility"
1571 depends on !CPU_LITTLE_ENDIAN && MIPS32 && BROKEN
1573 config MIPS32_COMPAT
1574 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1577 Select this option if you want Linux/MIPS 32-bit binary
1578 compatibility. Since all software available for Linux/MIPS is
1579 currently 32-bit you should say Y here.
1583 depends on MIPS32_COMPAT
1587 bool "Kernel support for o32 binaries"
1588 depends on MIPS32_COMPAT
1590 Select this option if you want to run o32 binaries. These are pure
1591 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1592 existing binaries are in this format.
1597 bool "Kernel support for n32 binaries"
1598 depends on MIPS32_COMPAT
1600 Select this option if you want to run n32 binaries. These are
1601 64-bit binaries using 32-bit quantities for addressing and certain
1602 data that would normally be 64-bit. They are used in special
1609 default y if MIPS32_O32 || MIPS32_N32
1612 bool "Power Management support (EXPERIMENTAL)"
1613 depends on EXPERIMENTAL && MACH_AU1X00
1617 source "net/Kconfig"
1619 source "drivers/Kconfig"
1623 source "arch/mips/Kconfig.debug"
1625 source "security/Kconfig"
1627 source "crypto/Kconfig"
1629 source "lib/Kconfig"
1632 # Use the generic interrupt handling code in kernel/irq/:
1634 config GENERIC_HARDIRQS
1638 config GENERIC_IRQ_PROBE