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
86 bool "Support for Rockhopper baseboard"
87 depends on NEC_CMBVR4133
89 select HAVE_STD_PC_SERIAL_PORT
92 bool "Support for CASIO CASSIOPEIA E-10/15/55/65"
93 depends on MACH_VR41XX
94 select DMA_NONCOHERENT
99 bool "Support for IBM WorkPad z50"
100 depends on MACH_VR41XX
101 select DMA_NONCOHERENT
106 bool "Support for TANBAC VR4131 multichip module and TANBAC VR4131DIMM"
107 depends on MACH_VR41XX
108 select CPU_LITTLE_ENDIAN
109 select DMA_NONCOHERENT
113 The TANBAC VR4131 multichip module(TB0225) and
114 the TANBAC VR4131DIMM(TB0229) are MIPS-based platforms
115 manufactured by TANBAC.
116 Please refer to <http://www.tanbac.co.jp/>
117 about VR4131 multichip module and VR4131DIMM.
120 bool "Support for TANBAC Mbase(TB0226)"
121 depends on TANBAC_TB022X
126 The TANBAC Mbase(TB0226) is a MIPS-based platform manufactured by TANBAC.
127 Please refer to <http://www.tanbac.co.jp/> about Mbase.
130 bool "Support for Victor MP-C303/304"
131 select DMA_NONCOHERENT
134 depends on MACH_VR41XX
137 bool "Support for ZAO Networks Capcella"
138 depends on MACH_VR41XX
139 select DMA_NONCOHERENT
144 bool "Add PCI control unit support of NEC VR4100 series"
145 depends on MACH_VR41XX && PCI
148 tristate "Add NEC VRC4171 companion chip support"
149 depends on MACH_VR41XX && ISA
151 The NEC VRC4171/4171A is a companion chip for NEC VR4111/VR4121.
154 tristate "Add NEC VRC4173 companion chip support"
155 depends on MACH_VR41XX && PCI_VR41XX
157 The NEC VRC4173 is a companion chip for NEC VR4122/VR4131.
159 config TOSHIBA_JMR3927
160 bool "Support for Toshiba JMR-TX3927 board"
162 select DMA_NONCOHERENT
167 bool "Support for Cobalt Server (EXPERIMENTAL)"
168 depends on EXPERIMENTAL
169 select DMA_NONCOHERENT
174 config MACH_DECSTATION
175 bool "Support for DECstations"
177 select DMA_NONCOHERENT
179 depends on MIPS32 || EXPERIMENTAL
181 This enables support for DEC's MIPS based workstations. For details
182 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
183 DECstation porting pages on <http://decstation.unix-ag.org/>.
185 If you have one of the following DECstation Models you definitely
186 want to choose R4xx0 for the CPU Type:
193 otherwise choose R3000.
196 bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
197 depends on EXPERIMENTAL
198 select DMA_NONCOHERENT
202 This is an evaluation board based on the Galileo GT-64120
203 single-chip system controller that contains a MIPS R5000 compatible
204 core running at 75/100MHz. Their website is located at
205 <http://www.marvell.com/>. Say Y here if you wish to build a
206 kernel for this platform.
209 bool "Enable Second PCI (PCI1)"
210 depends on MIPS_EV64120
213 bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
214 depends on EXPERIMENTAL
215 select DMA_NONCOHERENT
219 select RM7000_CPU_SCACHE
222 This is an evaluation board based on the Galileo GT-96100 LAN/WAN
223 communications controllers containing a MIPS R5000 compatible core
224 running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
225 here if you wish to build a kernel for this platform.
228 bool "Support for Globespan IVR board"
229 select DMA_NONCOHERENT
232 This is an evaluation board built by Globespan to showcase thir
233 iVR (Internet Video Recorder) design. It utilizes a QED RM5231
234 R5000 MIPS core. More information can be found out their website
235 located at <http://www.globespan.net/>. Say Y here if you wish to
236 build a kernel for this platform.
239 bool "Support for LASAT Networks platforms"
240 select DMA_NONCOHERENT
243 select R5000_CPU_SCACHE
246 tristate "PICVUE LCD display driver"
250 tristate "PICVUE LCD display driver /proc interface"
254 bool "DS1603 RTC driver"
258 bool "LASAT sysctl interface"
262 bool "Support for ITE 8172G board"
263 select DMA_NONCOHERENT
266 Ths is an evaluation board made by ITE <http://www.ite.com.tw/>
267 with ATX form factor that utilizes a MIPS R5000 to work with its
268 ITE8172G companion internet appliance chip. The MIPS core can be
269 either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build
270 a kernel for this platform.
273 bool "Support for older IT8172 (Rev C)"
274 depends on MIPS_ITE8172
276 Say Y here to support the older, Revision C version of the Integrated
277 Technology Express, Inc. ITE8172 SBC. Vendor page at
278 <http://www.ite.com.tw/ia/brief_it8172bsp.htm>; picture of the
279 board at <http://www.mvista.com/partners/semiconductor/ite.html>.
282 bool "Support for MIPS Atlas board"
284 select DMA_NONCOHERENT
289 This enables support for the QED R5231-based MIPS Atlas evaluation
293 bool "Support for MIPS Malta board"
295 select HAVE_STD_PC_SERIAL_PORT
296 select DMA_NONCOHERENT
297 select GENERIC_ISA_DMA
303 This enables support for the VR5000-based MIPS Malta evaluation
307 bool "Support for MIPS SEAD board (EXPERIMENTAL)"
308 depends on EXPERIMENTAL
310 select DMA_NONCOHERENT
312 config MOMENCO_OCELOT
313 bool "Support for Momentum Ocelot board"
314 select DMA_NONCOHERENT
319 select RM7000_CPU_SCACHE
322 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
323 Momentum Computer <http://www.momenco.com/>.
325 config MOMENCO_OCELOT_G
326 bool "Support for Momentum Ocelot-G board"
327 select DMA_NONCOHERENT
332 select RM7000_CPU_SCACHE
335 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
336 Momentum Computer <http://www.momenco.com/>.
338 config MOMENCO_OCELOT_C
339 bool "Support for Momentum Ocelot-C board"
340 select DMA_NONCOHERENT
345 select RM7000_CPU_SCACHE
348 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
349 Momentum Computer <http://www.momenco.com/>.
351 config MOMENCO_OCELOT_3
352 bool "Support for Momentum Ocelot-3 board"
354 select DMA_NONCOHERENT
360 select RM7000_CPU_SCACHE
363 The Ocelot-3 is based off Discovery III System Controller and
364 PMC-Sierra Rm79000 core.
366 config MOMENCO_JAGUAR_ATX
367 bool "Support for Momentum Jaguar board"
369 select DMA_NONCOHERENT
376 select RM7000_CPU_SCACHE
379 The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
380 Momentum Computer <http://www.momenco.com/>.
384 depends on MOMENCO_JAGUAR_ATX
386 Select to Y if jump JP5 is set on your board, N otherwise. Normally
387 the jumper is set, so if you feel unsafe, just say Y.
390 bool "Support for PMC-Sierra Yosemite eval board"
398 Yosemite is an evaluation board for the RM9000x2 processor
399 manufactured by PMC-Sierra
401 config HYPERTRANSPORT
402 bool "Hypertransport Support for PMC-Sierra Yosemite"
403 depends on PMC_YOSEMITE
406 bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
407 depends on EXPERIMENTAL
408 select DMA_NONCOHERENT
409 select HAVE_STD_PC_SERIAL_PORT
415 This enables support for the VR5000-based NEC DDB Vrc-5074
419 bool "Support for NEC DDB Vrc-5476"
420 select DMA_NONCOHERENT
421 select HAVE_STD_PC_SERIAL_PORT
427 This enables support for the R5432-based NEC DDB Vrc-5476
430 Features : kernel debugging, serial terminal, NFS root fs, on-board
431 ether port USB, AC97, PCI, PCI VGA card & framebuffer console,
432 IDE controller, PS2 keyboard, PS2 mouse, etc.
435 bool "Support for NEC DDB Vrc-5477"
436 select DMA_NONCOHERENT
441 This enables support for the R5432-based NEC DDB Vrc-5477,
442 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
444 Features : kernel debugging, serial terminal, NFS root fs, on-board
445 ether port USB, AC97, PCI, etc.
447 config DDB5477_BUS_FREQUENCY
448 int "bus frequency (in kHZ, 0 for auto-detect)"
453 bool "Support for Qemu"
455 select GENERIC_ISA_DMA
456 select HAVE_STD_PC_SERIAL_PORT
460 select SYS_SUPPORTS_32BIT_KERNEL
461 select SYS_SUPPORTS_BIG_ENDIAN
463 Qemu is a software emulator which among other architectures also
464 can simulate a MIPS32 4Kc system. This patch adds support for the
465 system architecture that currently is being simulated by Qemu. It
466 will eventually be removed again when Qemu has the capability to
467 simulate actual MIPS hardware platforms. More information on Qemu
468 can be found at http://www.linux-mips.org/wiki/Qemu.
471 bool "Support for SGI IP22 (Indy/Indigo2)"
475 select DMA_NONCOHERENT
476 select IP22_CPU_SCACHE
480 This are the SGI Indy, Challenge S and Indigo2, as well as certain
481 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
482 that runs on these, say Y here.
485 bool "Support for SGI IP27 (Origin200/2000)"
493 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
494 workstations. To compile a Linux kernel that runs on these, say Y
499 # depends on SGI_IP27
500 # This options adds support for userspace processes upto 16TB size.
501 # Normally the limit is just .5TB.
503 config SGI_SN0_N_MODE
507 The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
508 configured in either N-Modes which allows for more nodes or M-Mode
509 which allows for more memory. Your system is most probably
510 running in M-Mode, so you should say N here.
512 config ARCH_DISCONTIGMEM_ENABLE
514 default y if SGI_IP27
516 Say Y to upport efficient handling of discontiguous physical memory,
517 for architectures which are either NUMA (Non-Uniform Memory Access)
518 or have huge holes in the physical address space for other reasons.
519 See <file:Documentation/vm/numa> for more.
525 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
526 Access). This option is for configuring high-end multiprocessor
527 server machines. If in doubt, say N.
530 bool "Mapped kernel support"
533 Change the way a Linux kernel is loaded into memory on a MIPS64
534 machine. This is required in order to support text replication and
535 NUMA. If you need to understand it, read the source code.
537 config REPLICATE_KTEXT
538 bool "Kernel text replication support"
541 Say Y here to enable replicating the kernel text across multiple
542 nodes in a NUMA cluster. This trades memory for speed.
544 config REPLICATE_EXHANDLERS
545 bool "Exception handler replication support"
548 Say Y here to enable replicating the kernel exception handlers
549 across multiple nodes in a NUMA cluster. This trades memory for
553 bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
554 depends on MIPS64 && EXPERIMENTAL
560 select DMA_NONCOHERENT
562 select R5000_CPU_SCACHE
563 select RM7000_CPU_SCACHE
565 If you want this kernel to run on SGI O2 workstation, say Y here.
569 bool "Support for AMD/Alchemy Au1X00 SOCs"
572 prompt "Au1X00 SOC Type"
573 depends on SOC_AU1X00
575 Say Y here to enable support for one of three AMD/Alchemy
576 SOCs. For additional documentation see www.amd.com.
590 prompt "AMD/Alchemy Au1x00 board support"
591 depends on SOC_AU1X00
593 These are evaluation boards built by AMD/Alchemy to
594 showcase their Au1X00 Internet Edge Processors. The SOC design
595 is based on the MIPS32 architecture running at 266/400/500MHz
596 with many integrated peripherals. Further information can be
597 found at their website, <http://www.amd.com/>. Say Y here if you
598 wish to build a kernel for this platform.
602 depends on SOC_AU1000
603 select DMA_NONCOHERENT
609 depends on SOC_AU1100
610 select DMA_NONCOHERENT
616 depends on SOC_AU1500
622 depends on SOC_AU1550
625 select MIPS_DISABLE_OBSOLETE_IDE
629 depends on SOC_AU1000
630 select DMA_NONCOHERENT
635 depends on SOC_AU1100
636 select DMA_NONCOHERENT
640 depends on SOC_AU1500
643 select MIPS_DISABLE_OBSOLETE_IDE
647 depends on SOC_AU1550
650 select MIPS_DISABLE_OBSOLETE_IDE
653 bool "Bosporus board"
654 depends on SOC_AU1500
655 select DMA_NONCOHERENT
659 depends on SOC_AU1500
660 select DMA_NONCOHERENT
663 bool "MyCable XXS1500 board"
664 depends on SOC_AU1500
665 select DMA_NONCOHERENT
668 bool "4G Systems MTX-1 board"
669 depends on SOC_AU1500
671 select DMA_NONCOHERENT
675 config SIBYTE_SB1xxx_SOC
676 bool "Support for Broadcom BCM1xxx SOCs (EXPERIMENTAL)"
677 depends on EXPERIMENTAL
683 prompt "BCM1xxx SOC-based board"
684 depends on SIBYTE_SB1xxx_SOC
687 Enable support for boards based on the SiByte line of SOCs
688 from Broadcom. There are configurations for the known
689 evaluation boards, or you can choose "Other" and add your
690 own board support code.
693 bool "BCM91250A-SWARM"
696 config SIBYTE_SENTOSA
697 bool "BCM91250E-Sentosa"
701 bool "BCM91125E-Rhone"
702 select SIBYTE_BCM1125H
705 bool "BCM91120x-Carmel"
706 select SIBYTE_BCM1120
708 config SIBYTE_PTSWARM
709 bool "BCM91250PT-PTSWARM"
712 config SIBYTE_LITTLESUR
713 bool "BCM91250C2-LittleSur"
717 bool "BCM91120C-CRhine"
718 select SIBYTE_BCM1120
721 bool "BCM91125C-CRhone"
722 select SIBYTE_BCM1125
724 config SIBYTE_UNKNOWN
731 depends on SIBYTE_SB1xxx_SOC && !SIBYTE_UNKNOWN
735 prompt "BCM1xxx SOC Type"
736 depends on SIBYTE_UNKNOWN
737 default SIBYTE_UNK_BCM1250
739 Since you haven't chosen a known evaluation board from
740 Broadcom, you must explicitly pick the SOC this kernel is
743 config SIBYTE_UNK_BCM1250
747 config SIBYTE_UNK_BCM1120
749 select SIBYTE_BCM1120
751 config SIBYTE_UNK_BCM1125
753 select SIBYTE_BCM1125
755 config SIBYTE_UNK_BCM1125H
757 select SIBYTE_BCM1125H
765 config SIBYTE_BCM1120
767 select SIBYTE_BCM112X
769 config SIBYTE_BCM1125
772 select SIBYTE_BCM112X
774 config SIBYTE_BCM1125H
777 select SIBYTE_BCM112X
779 config SIBYTE_BCM112X
783 prompt "SiByte SOC Stepping"
784 depends on SIBYTE_SB1xxx_SOC
786 config CPU_SB1_PASS_1
788 depends on SIBYTE_SB1250
789 select CPU_HAS_PREFETCH
791 config CPU_SB1_PASS_2_1250
793 depends on SIBYTE_SB1250
794 select CPU_SB1_PASS_2
796 Also called BCM1250 Pass 2
798 config CPU_SB1_PASS_2_2
800 depends on SIBYTE_SB1250
801 select CPU_HAS_PREFETCH
803 Also called BCM1250 Pass 2.2
805 config CPU_SB1_PASS_4
807 depends on SIBYTE_SB1250
808 select CPU_HAS_PREFETCH
810 Also called BCM1250 Pass 3
812 config CPU_SB1_PASS_2_112x
814 depends on SIBYTE_BCM112X
815 select CPU_SB1_PASS_2
817 config CPU_SB1_PASS_3
819 depends on SIBYTE_BCM112X
820 select CPU_HAS_PREFETCH
824 config CPU_SB1_PASS_2
827 config SIBYTE_HAS_LDT
829 depends on PCI && (SIBYTE_SB1250 || SIBYTE_BCM1125H)
833 bool "Running under simulation"
834 depends on SIBYTE_SB1xxx_SOC
836 Build a kernel suitable for running under the GDB simulator.
837 Primarily adjusts the kernel's notion of time.
840 bool "Booting from CFE"
841 depends on SIBYTE_SB1xxx_SOC
843 Make use of the CFE API for enumerating available memory,
844 controlling secondary CPUs, and possibly console output.
846 config SIBYTE_CFE_CONSOLE
847 bool "Use firmware console"
848 depends on SIBYTE_CFE
850 Use the CFE API's console write routines during boot. Other console
851 options (VT console, sb1250 duart console, etc.) should not be
854 config SIBYTE_STANDALONE
856 depends on SIBYTE_SB1xxx_SOC && !SIBYTE_CFE
859 config SIBYTE_STANDALONE_RAM_SIZE
860 int "Memory size (in megabytes)"
861 depends on SIBYTE_STANDALONE
864 config SIBYTE_BUS_WATCHER
865 bool "Support for Bus Watcher statistics"
866 depends on SIBYTE_SB1xxx_SOC
868 Handle and keep statistics on the bus error interrupts (COR_ECC,
871 config SIBYTE_BW_TRACE
872 bool "Capture bus trace before bus error"
873 depends on SIBYTE_BUS_WATCHER
875 Run a continuous bus trace, dumping the raw data as soon as
876 a ZBbus error is detected. Cannot work if ZBbus profiling
877 is turned on, and also will interfere with JTAG-based trace
878 buffer activity. Raw buffer data is dumped to console, and
879 must be processed off-line.
881 config SIBYTE_SB1250_PROF
882 bool "Support for SB1/SOC profiling - SB1/SCD perf counters"
883 depends on SIBYTE_SB1xxx_SOC
886 bool "Support for ZBbus profiling"
887 depends on SIBYTE_SB1xxx_SOC
890 bool "Support for SNI RM200 PCI"
894 select DMA_NONCOHERENT
895 select GENERIC_ISA_DMA
896 select HAVE_STD_PC_SERIAL_PORT
901 The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
902 Nixdorf Informationssysteme (SNI), parent company of Pyramid
903 Technology and now in turn merged with Fujitsu. Say Y here to
904 support this machine type.
906 config TOSHIBA_RBTX4927
907 bool "Support for Toshiba TBTX49[23]7 board"
909 select DMA_NONCOHERENT
910 select HAS_TXX9_SERIAL
916 This Toshiba board is based on the TX4927 processor. Say Y here to
917 support this machine type
919 config TOSHIBA_FPCIB0
920 bool "FPCIB0 Backplane Support"
921 depends on TOSHIBA_RBTX4927
923 config RWSEM_GENERIC_SPINLOCK
927 config RWSEM_XCHGADD_ALGORITHM
930 config GENERIC_CALIBRATE_DELAY
939 # Select some configuration options automatically based on user selections.
943 depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
952 config DMA_NONCOHERENT
957 depends on MACH_DECSTATION
960 config GENERIC_ISA_DMA
962 depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
967 depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
976 depends on MIPS_ATLAS || MIPS_MALTA
981 depends on MIPS_ATLAS || MIPS_MALTA
989 config MIPS_DISABLE_OBSOLETE_IDE
992 config CPU_LITTLE_ENDIAN
993 bool "Generate little endian code"
994 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
995 default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
997 Some MIPS machines can be configured for either little or big endian
998 byte order. These modes require different kernels. Say Y if your
999 machine is little endian, N if it's a big endian machine.
1010 config DDB5XXX_COMMON
1012 depends on DDB5074 || DDB5476 || DDB5477
1015 config MIPS_BOARDS_GEN
1017 depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
1022 depends on MIPS_COBALT
1027 depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
1032 depends on TOSHIBA_JMR3927
1033 select HAS_TXX9_SERIAL
1039 config ITE_BOARD_GEN
1041 depends on MIPS_IVR || MIPS_ITE8172
1044 config SWAP_IO_SPACE
1048 # Unfortunately not all GT64120 systems run the chip at the same clock.
1049 # As the user for the clock rate and try to minimize the available options.
1052 prompt "Galileo Chip Clock"
1053 #default SYSCLK_83 if MIPS_EV64120
1054 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1055 default SYSCLK_83 if MIPS_EV64120
1056 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
1059 bool "75" if MIPS_EV64120
1062 bool "83.3" if MIPS_EV64120
1065 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1069 config AU1X00_USB_DEVICE
1071 depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
1076 depends on MIPS_EV96100
1079 Say Y here to support the Galileo Technology GT96100 communications
1080 controller card. There is a web page at <http://www.galileot.com/>.
1084 depends on MIPS_ITE8172 || MIPS_IVR
1089 depends on MIPS_ITE8172
1094 depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
1097 config MIPS_L1_CACHE_SHIFT
1099 default "4" if MACH_DECSTATION
1100 default "7" if SGI_IP27
1105 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1108 config HAVE_STD_PC_SERIAL_PORT
1112 bool "ARC console support"
1113 depends on SGI_IP22 || SNI_RM200_PCI
1117 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
1122 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1135 #config MAPPED_PCI_IO y
1137 # depends on SGI_IP27
1145 config TOSHIBA_BOARDS
1147 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1152 menu "CPU selection"
1168 Please make sure to pick the right CPU type. Linux/MIPS is not
1169 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1170 *not* work on R4000 machines and vice versa. However, since most
1171 of the supported machines have an R4000 (or similar) CPU, R4x00
1172 might be a safe bet. If the resulting kernel does not work,
1173 try to recompile with R3000.
1182 The options selects support for the NEC VR41xx series of processors.
1183 Only choose this option if you have one of these processors as a
1184 kernel built with this option will not run on any other type of
1185 processor or vice versa.
1190 MIPS Technologies R4300-series processors.
1195 MIPS Technologies R4000-series processors other than 4300, including
1196 the R4000, R4400, R4600, and 4700.
1204 MIPS Technologies R5000-series processors other than the Nevada.
1211 depends on MIPS32 && EXPERIMENTAL
1213 MIPS Technologies R6000 and R6000A series processors. Note these
1214 processors are extremly rare and the support for them is incomplete.
1219 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1223 depends on MIPS64 && EXPERIMENTAL
1225 MIPS Technologies R8000 processors. Note these processors are
1226 uncommon and the support for them is incomplete.
1231 MIPS Technologies R10000-series processors.
1245 prompt "Kernel page size"
1246 default PAGE_SIZE_4KB
1248 config PAGE_SIZE_4KB
1251 This option select the standard 4kB Linux page size. On some
1252 R3000-family processors this is the only available page size. Using
1253 4kB page size will minimize memory consumption and is therefore
1254 recommended for low memory systems.
1256 config PAGE_SIZE_8KB
1258 depends on EXPERIMENTAL && CPU_R8000
1260 Using 8kB page size will result in higher performance kernel at
1261 the price of higher memory consumption. This option is available
1262 only on the R8000 processor. Not that at the time of this writing
1263 this option is still high experimental; there are also issues with
1264 compatibility of user applications.
1266 config PAGE_SIZE_16KB
1268 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1270 Using 16kB page size will result in higher performance kernel at
1271 the price of higher memory consumption. This option is available on
1272 all non-R3000 family processor. Not that at the time of this
1273 writing this option is still high experimental; there are also
1274 issues with compatibility of user applications.
1276 config PAGE_SIZE_64KB
1278 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1280 Using 64kB page size will result in higher performance kernel at
1281 the price of higher memory consumption. This option is available on
1282 all non-R3000 family processor. Not that at the time of this
1283 writing this option is still high experimental; there are also
1284 issues with compatibility of user applications.
1291 config IP22_CPU_SCACHE
1295 config R5000_CPU_SCACHE
1299 config RM7000_CPU_SCACHE
1303 config SIBYTE_DMA_PAGEOPS
1304 bool "Use DMA to clear/copy pages"
1307 Instead of using the CPU to zero and copy pages, use a Data Mover
1308 channel. These DMA channels are otherwise unused by the standard
1309 SiByte Linux port. Seems to give a small performance benefit.
1311 config CPU_HAS_PREFETCH
1312 bool "Enable prefetches" if CPU_SB1 && !CPU_SB1_PASS_2
1313 default y if CPU_MIPS32 || CPU_MIPS64 || CPU_RM7000 || CPU_RM9000 || CPU_R10000
1316 bool "Support for Virtual Tagged I-cache" if CPU_MIPS64 || CPU_MIPS32
1317 default y if CPU_SB1
1319 config SB1_PASS_1_WORKAROUNDS
1321 depends on CPU_SB1_PASS_1
1324 config SB1_PASS_2_WORKAROUNDS
1326 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1329 config SB1_PASS_2_1_WORKAROUNDS
1331 depends on CPU_SB1 && CPU_SB1_PASS_2
1334 config 64BIT_PHYS_ADDR
1335 bool "Support for 64-bit physical address space"
1336 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && MIPS32
1339 bool "Override CPU Options"
1342 Saying yes here allows you to select support for various features
1343 your CPU may or may not have. Most people should say N here.
1346 bool "ll/sc Instructions available" if CPU_ADVANCED
1347 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
1349 MIPS R4000 series and later provide the Load Linked (ll)
1350 and Store Conditional (sc) instructions. More information is
1351 available at <http://www.go-ecs.com/mips/miptek1.htm>.
1353 Say Y here if your CPU has the ll and sc instructions. Say Y here
1354 for better performance, N if you don't know. You must say Y here
1355 for multiprocessor machines.
1357 config CPU_HAS_LLDSCD
1358 bool "lld/scd Instructions available" if CPU_ADVANCED
1359 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32
1361 Say Y here if your CPU has the lld and scd instructions, the 64-bit
1362 equivalents of ll and sc. Say Y here for better performance, N if
1363 you don't know. You must say Y here for multiprocessor machines.
1366 bool "Writeback Buffer available" if CPU_ADVANCED
1367 default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
1369 Say N here for slightly better performance. You must say Y here for
1370 machines which require flushing of write buffers in software. Saying
1371 Y is the safe option; N may result in kernel malfunction and crashes.
1375 depends on !CPU_R3000
1379 # - Highmem only makes sense for the 32-bit kernel.
1380 # - The current highmem code will only work properly on physically indexed
1381 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1382 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1383 # moment we protect the user and offer the highmem option only on machines
1384 # where it's known to be safe. This will not offer highmem on a few systems
1385 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1386 # indexed CPUs but we're playing safe.
1387 # - We should not offer highmem for system of which we already know that they
1388 # don't have memory configurations that could gain from highmem support in
1389 # the kernel because they don't support configurations with RAM at physical
1390 # addresses > 0x20000000.
1393 bool "High Memory Support"
1394 depends on MIPS32 && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
1396 config ARCH_FLATMEM_ENABLE
1403 bool "Multi-Processing support"
1404 depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27
1406 This enables support for systems with more than one CPU. If you have
1407 a system with only one CPU, like most personal computers, say N. If
1408 you have a system with more than one CPU, say Y.
1410 If you say N here, the kernel will run on single and multiprocessor
1411 machines, but will use only one CPU of a multiprocessor machine. If
1412 you say Y here, the kernel will run on many, but not all,
1413 singleprocessor machines. On a singleprocessor machine, the kernel
1414 will run faster if you say N here.
1416 People using multiprocessor machines who say Y here should also say
1417 Y to "Enhanced Real Time Clock Support", below.
1419 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1420 available at <http://www.tldp.org/docs.html#howto>.
1422 If you don't know what to do here, say N.
1425 int "Maximum number of CPUs (2-64)"
1428 default "64" if SGI_IP27
1431 This allows you to specify the maximum number of CPUs which this
1432 kernel will support. The maximum supported value is 32 for 32-bit
1433 kernel and 64 for 64-bit kernels; the minimum value which makes
1436 This is purely to save memory - each supported CPU adds
1437 approximately eight kilobytes to the kernel image.
1440 bool "Preemptible Kernel"
1442 This option reduces the latency of the kernel when reacting to
1443 real-time or interactive events by allowing a low priority process to
1444 be preempted even if it is in kernel mode executing a system call.
1445 This allows applications to run more reliably even when the system is
1449 bool "DS1742 BRAM/RTC support"
1450 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1452 config MIPS_INSANE_LARGE
1453 bool "Support for large 64-bit configurations"
1454 depends on CPU_R10000 && MIPS64
1456 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1457 previous 64-bit processors which only supported 40 bit / 1TB. If you
1458 need processes of more than 1TB virtual address space, say Y here.
1459 This will result in additional memory usage, so it is not
1460 recommended for normal users.
1462 config RWSEM_GENERIC_SPINLOCK
1468 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1474 bool "Support for PCI controller"
1475 depends on HW_HAS_PCI
1477 Find out whether you have a PCI motherboard. PCI is the name of a
1478 bus system, i.e. the way the CPU talks to the other stuff inside
1479 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1482 The PCI-HOWTO, available from
1483 <http://www.tldp.org/docs.html#howto>, contains valuable
1484 information about which PCI hardware does work under Linux and which
1491 source "drivers/pci/Kconfig"
1494 # ISA support is now enabled via select. Too many systems still have the one
1495 # or other ISA chip on the board that users don't know about so don't expect
1496 # users to choose the right thing ...
1503 depends on SGI_IP22 || SNI_RM200_PCI
1506 The Extended Industry Standard Architecture (EISA) bus was
1507 developed as an open alternative to the IBM MicroChannel bus.
1509 The EISA bus provided some of the features of the IBM MicroChannel
1510 bus while maintaining backward compatibility with cards made for
1511 the older ISA bus. The EISA bus saw limited use between 1988 and
1512 1995 when it was made obsolete by the PCI bus.
1514 Say Y here if you are building a kernel for an EISA-based machine.
1518 source "drivers/eisa/Kconfig"
1521 bool "TURBOchannel support"
1522 depends on MACH_DECSTATION
1524 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1525 processors. Documentation on writing device drivers for TurboChannel
1527 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1530 # bool "Access.Bus support"
1543 source "drivers/pcmcia/Kconfig"
1545 source "drivers/pci/hotplug/Kconfig"
1549 menu "Executable file formats"
1551 source "fs/Kconfig.binfmt"
1558 bool "Use 64-bit ELF format for building"
1561 A 64-bit kernel is usually built using the 64-bit ELF binary object
1562 format as it's one that allows arbitrary 64-bit constructs. For
1563 kernels that are loaded within the KSEG compatibility segments the
1564 32-bit ELF format can optionally be used resulting in a somewhat
1565 smaller binary, but this option is not explicitly supported by the
1566 toolchain and since binutils 2.14 it does not even work at all.
1568 Say Y to use the 64-bit format or N to use the 32-bit one.
1573 bool "Include IRIX binary compatibility"
1574 depends on !CPU_LITTLE_ENDIAN && MIPS32 && BROKEN
1576 config MIPS32_COMPAT
1577 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1580 Select this option if you want Linux/MIPS 32-bit binary
1581 compatibility. Since all software available for Linux/MIPS is
1582 currently 32-bit you should say Y here.
1586 depends on MIPS32_COMPAT
1590 bool "Kernel support for o32 binaries"
1591 depends on MIPS32_COMPAT
1593 Select this option if you want to run o32 binaries. These are pure
1594 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1595 existing binaries are in this format.
1600 bool "Kernel support for n32 binaries"
1601 depends on MIPS32_COMPAT
1603 Select this option if you want to run n32 binaries. These are
1604 64-bit binaries using 32-bit quantities for addressing and certain
1605 data that would normally be 64-bit. They are used in special
1612 default y if MIPS32_O32 || MIPS32_N32
1615 bool "Power Management support (EXPERIMENTAL)"
1616 depends on EXPERIMENTAL && MACH_AU1X00
1620 source "net/Kconfig"
1622 source "drivers/Kconfig"
1626 source "arch/mips/Kconfig.debug"
1628 source "security/Kconfig"
1630 source "crypto/Kconfig"
1632 source "lib/Kconfig"
1635 # Use the generic interrupt handling code in kernel/irq/:
1637 config GENERIC_HARDIRQS
1641 config GENERIC_IRQ_PROBE