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 Victor MP-C303/304"
159 depends on MACH_VR41XX
160 select CPU_LITTLE_ENDIAN
161 select DMA_NONCOHERENT
166 bool "Support for ZAO Networks Capcella"
167 depends on MACH_VR41XX
168 select CPU_LITTLE_ENDIAN
169 select DMA_NONCOHERENT
174 bool "Add PCI control unit support of NEC VR4100 series"
175 depends on MACH_VR41XX && HW_HAS_PCI
180 tristate "Add NEC VRC4173 companion chip support"
181 depends on MACH_VR41XX && PCI_VR41XX
183 The NEC VRC4173 is a companion chip for NEC VR4122/VR4131.
185 config TOSHIBA_JMR3927
186 bool "Support for Toshiba JMR-TX3927 board"
187 select DMA_NONCOHERENT
190 select SYS_SUPPORTS_32BIT_KERNEL
193 bool "Support for Cobalt Server"
194 depends on EXPERIMENTAL
195 select DMA_NONCOHERENT
199 select SYS_SUPPORTS_32BIT_KERNEL
200 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
202 config MACH_DECSTATION
203 bool "Support for DECstations"
205 select DMA_NONCOHERENT
207 select SYS_SUPPORTS_32BIT_KERNEL
208 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
210 This enables support for DEC's MIPS based workstations. For details
211 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
212 DECstation porting pages on <http://decstation.unix-ag.org/>.
214 If you have one of the following DECstation Models you definitely
215 want to choose R4xx0 for the CPU Type:
222 otherwise choose R3000.
225 bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
226 depends on EXPERIMENTAL
227 select DMA_NONCOHERENT
230 select SYS_SUPPORTS_32BIT_KERNEL
231 select SYS_SUPPORTS_64BIT_KERNEL
233 This is an evaluation board based on the Galileo GT-64120
234 single-chip system controller that contains a MIPS R5000 compatible
235 core running at 75/100MHz. Their website is located at
236 <http://www.marvell.com/>. Say Y here if you wish to build a
237 kernel for this platform.
240 bool "Enable Second PCI (PCI1)"
241 depends on MIPS_EV64120
244 bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
245 depends on EXPERIMENTAL
246 select DMA_NONCOHERENT
250 select RM7000_CPU_SCACHE
252 select SYS_SUPPORTS_32BIT_KERNEL
253 select SYS_SUPPORTS_64BIT_KERNEL
255 This is an evaluation board based on the Galileo GT-96100 LAN/WAN
256 communications controllers containing a MIPS R5000 compatible core
257 running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
258 here if you wish to build a kernel for this platform.
261 bool "Support for Globespan IVR board"
262 select DMA_NONCOHERENT
264 select SYS_SUPPORTS_32BIT_KERNEL
265 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
267 This is an evaluation board built by Globespan to showcase thir
268 iVR (Internet Video Recorder) design. It utilizes a QED RM5231
269 R5000 MIPS core. More information can be found out their website
270 located at <http://www.globespan.net/>. Say Y here if you wish to
271 build a kernel for this platform.
274 bool "Support for LASAT Networks platforms"
275 select DMA_NONCOHERENT
278 select R5000_CPU_SCACHE
279 select SYS_SUPPORTS_32BIT_KERNEL
280 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
283 tristate "PICVUE LCD display driver"
287 tristate "PICVUE LCD display driver /proc interface"
291 bool "DS1603 RTC driver"
295 bool "LASAT sysctl interface"
299 bool "Support for ITE 8172G board"
300 select DMA_NONCOHERENT
302 select SYS_SUPPORTS_32BIT_KERNEL
303 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
305 Ths is an evaluation board made by ITE <http://www.ite.com.tw/>
306 with ATX form factor that utilizes a MIPS R5000 to work with its
307 ITE8172G companion internet appliance chip. The MIPS core can be
308 either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build
309 a kernel for this platform.
312 bool "Support for older IT8172 (Rev C)"
313 depends on MIPS_ITE8172
315 Say Y here to support the older, Revision C version of the Integrated
316 Technology Express, Inc. ITE8172 SBC. Vendor page at
317 <http://www.ite.com.tw/ia/brief_it8172bsp.htm>; picture of the
318 board at <http://www.mvista.com/partners/semiconductor/ite.html>.
321 bool "Support for MIPS Atlas board"
323 select DMA_NONCOHERENT
327 select SYS_SUPPORTS_32BIT_KERNEL
328 select SYS_SUPPORTS_64BIT_KERNEL
330 This enables support for the QED R5231-based MIPS Atlas evaluation
334 bool "Support for MIPS Malta board"
336 select HAVE_STD_PC_SERIAL_PORT
337 select DMA_NONCOHERENT
338 select GENERIC_ISA_DMA
343 select SYS_SUPPORTS_32BIT_KERNEL
344 select SYS_SUPPORTS_64BIT_KERNEL
346 This enables support for the VR5000-based MIPS Malta evaluation
350 bool "Support for MIPS SEAD board (EXPERIMENTAL)"
351 depends on EXPERIMENTAL
353 select DMA_NONCOHERENT
354 select SYS_SUPPORTS_32BIT_KERNEL
355 select SYS_SUPPORTS_64BIT_KERNEL
357 config MOMENCO_OCELOT
358 bool "Support for Momentum Ocelot board"
359 select DMA_NONCOHERENT
364 select RM7000_CPU_SCACHE
366 select SYS_SUPPORTS_32BIT_KERNEL
367 select SYS_SUPPORTS_64BIT_KERNEL
369 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
370 Momentum Computer <http://www.momenco.com/>.
372 config MOMENCO_OCELOT_G
373 bool "Support for Momentum Ocelot-G board"
374 select DMA_NONCOHERENT
379 select RM7000_CPU_SCACHE
381 select SYS_SUPPORTS_32BIT_KERNEL
382 select SYS_SUPPORTS_64BIT_KERNEL
384 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
385 Momentum Computer <http://www.momenco.com/>.
387 config MOMENCO_OCELOT_C
388 bool "Support for Momentum Ocelot-C board"
389 select DMA_NONCOHERENT
394 select RM7000_CPU_SCACHE
396 select SYS_SUPPORTS_32BIT_KERNEL
397 select SYS_SUPPORTS_64BIT_KERNEL
399 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
400 Momentum Computer <http://www.momenco.com/>.
402 config MOMENCO_OCELOT_3
403 bool "Support for Momentum Ocelot-3 board"
405 select DMA_NONCOHERENT
411 select RM7000_CPU_SCACHE
413 select SYS_SUPPORTS_32BIT_KERNEL
414 select SYS_SUPPORTS_64BIT_KERNEL
416 The Ocelot-3 is based off Discovery III System Controller and
417 PMC-Sierra Rm79000 core.
419 config MOMENCO_JAGUAR_ATX
420 bool "Support for Momentum Jaguar board"
422 select DMA_NONCOHERENT
429 select RM7000_CPU_SCACHE
431 select SYS_SUPPORTS_32BIT_KERNEL
432 select SYS_SUPPORTS_64BIT_KERNEL
434 The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
435 Momentum Computer <http://www.momenco.com/>.
439 depends on MOMENCO_JAGUAR_ATX
441 Select to Y if jump JP5 is set on your board, N otherwise. Normally
442 the jumper is set, so if you feel unsafe, just say Y.
445 bool "Support for PMC-Sierra Yosemite eval board"
452 select SYS_SUPPORTS_32BIT_KERNEL
453 select SYS_SUPPORTS_64BIT_KERNEL
455 Yosemite is an evaluation board for the RM9000x2 processor
456 manufactured by PMC-Sierra
458 config HYPERTRANSPORT
459 bool "Hypertransport Support for PMC-Sierra Yosemite"
460 depends on PMC_YOSEMITE
463 bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
464 depends on EXPERIMENTAL
465 select DMA_NONCOHERENT
466 select HAVE_STD_PC_SERIAL_PORT
471 select SYS_SUPPORTS_32BIT_KERNEL
472 select SYS_SUPPORTS_64BIT_KERNEL
474 This enables support for the VR5000-based NEC DDB Vrc-5074
478 bool "Support for NEC DDB Vrc-5476"
479 select DMA_NONCOHERENT
480 select HAVE_STD_PC_SERIAL_PORT
485 select SYS_SUPPORTS_32BIT_KERNEL
486 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
488 This enables support for the R5432-based NEC DDB Vrc-5476
491 Features : kernel debugging, serial terminal, NFS root fs, on-board
492 ether port USB, AC97, PCI, PCI VGA card & framebuffer console,
493 IDE controller, PS2 keyboard, PS2 mouse, etc.
496 bool "Support for NEC DDB Vrc-5477"
497 select DMA_NONCOHERENT
501 select SYS_SUPPORTS_32BIT_KERNEL
502 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
504 This enables support for the R5432-based NEC DDB Vrc-5477,
505 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
507 Features : kernel debugging, serial terminal, NFS root fs, on-board
508 ether port USB, AC97, PCI, etc.
510 config DDB5477_BUS_FREQUENCY
511 int "bus frequency (in kHZ, 0 for auto-detect)"
516 bool "Support for Qemu"
518 select GENERIC_ISA_DMA
519 select HAVE_STD_PC_SERIAL_PORT
523 select SYS_SUPPORTS_32BIT_KERNEL
524 select SYS_SUPPORTS_BIG_ENDIAN
526 Qemu is a software emulator which among other architectures also
527 can simulate a MIPS32 4Kc system. This patch adds support for the
528 system architecture that currently is being simulated by Qemu. It
529 will eventually be removed again when Qemu has the capability to
530 simulate actual MIPS hardware platforms. More information on Qemu
531 can be found at http://www.linux-mips.org/wiki/Qemu.
534 bool "Support for SGI IP22 (Indy/Indigo2)"
538 select DMA_NONCOHERENT
539 select IP22_CPU_SCACHE
542 select SYS_SUPPORTS_32BIT_KERNEL
543 select SYS_SUPPORTS_64BIT_KERNEL
545 This are the SGI Indy, Challenge S and Indigo2, as well as certain
546 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
547 that runs on these, say Y here.
550 bool "Support for SGI IP27 (Origin200/2000)"
556 select SYS_SUPPORTS_64BIT_KERNEL
558 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
559 workstations. To compile a Linux kernel that runs on these, say Y
564 # depends on SGI_IP27
565 # This options adds support for userspace processes upto 16TB size.
566 # Normally the limit is just .5TB.
568 config SGI_SN0_N_MODE
572 The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
573 configured in either N-Modes which allows for more nodes or M-Mode
574 which allows for more memory. Your system is most probably
575 running in M-Mode, so you should say N here.
577 config ARCH_DISCONTIGMEM_ENABLE
579 default y if SGI_IP27
581 Say Y to upport efficient handling of discontiguous physical memory,
582 for architectures which are either NUMA (Non-Uniform Memory Access)
583 or have huge holes in the physical address space for other reasons.
584 See <file:Documentation/vm/numa> for more.
590 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
591 Access). This option is for configuring high-end multiprocessor
592 server machines. If in doubt, say N.
595 bool "Mapped kernel support"
598 Change the way a Linux kernel is loaded into memory on a MIPS64
599 machine. This is required in order to support text replication and
600 NUMA. If you need to understand it, read the source code.
602 config REPLICATE_KTEXT
603 bool "Kernel text replication support"
606 Say Y here to enable replicating the kernel text across multiple
607 nodes in a NUMA cluster. This trades memory for speed.
609 config REPLICATE_EXHANDLERS
610 bool "Exception handler replication support"
613 Say Y here to enable replicating the kernel exception handlers
614 across multiple nodes in a NUMA cluster. This trades memory for
618 bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
619 depends on EXPERIMENTAL
625 select DMA_NONCOHERENT
627 select R5000_CPU_SCACHE
628 select RM7000_CPU_SCACHE
629 select SYS_SUPPORTS_64BIT_KERNEL
631 If you want this kernel to run on SGI O2 workstation, say Y here.
634 bool "Support for AMD/Alchemy Au1X00 SOCs"
635 select SYS_SUPPORTS_32BIT_KERNEL
638 prompt "Au1X00 SOC Type"
639 depends on SOC_AU1X00
641 Say Y here to enable support for one of three AMD/Alchemy
642 SOCs. For additional documentation see www.amd.com.
656 prompt "AMD/Alchemy Au1x00 board support"
657 depends on SOC_AU1X00
659 These are evaluation boards built by AMD/Alchemy to
660 showcase their Au1X00 Internet Edge Processors. The SOC design
661 is based on the MIPS32 architecture running at 266/400/500MHz
662 with many integrated peripherals. Further information can be
663 found at their website, <http://www.amd.com/>. Say Y here if you
664 wish to build a kernel for this platform.
668 depends on SOC_AU1000
669 select DMA_NONCOHERENT
675 depends on SOC_AU1100
676 select DMA_NONCOHERENT
682 depends on SOC_AU1500
688 depends on SOC_AU1550
691 select MIPS_DISABLE_OBSOLETE_IDE
695 depends on SOC_AU1000
696 select DMA_NONCOHERENT
701 depends on SOC_AU1100
702 select DMA_NONCOHERENT
706 depends on SOC_AU1500
709 select MIPS_DISABLE_OBSOLETE_IDE
713 depends on SOC_AU1550
716 select MIPS_DISABLE_OBSOLETE_IDE
719 bool "Bosporus board"
720 depends on SOC_AU1500
721 select DMA_NONCOHERENT
725 depends on SOC_AU1500
726 select DMA_NONCOHERENT
729 bool "MyCable XXS1500 board"
730 depends on SOC_AU1500
731 select DMA_NONCOHERENT
734 bool "4G Systems MTX-1 board"
735 depends on SOC_AU1500
737 select DMA_NONCOHERENT
741 config SIBYTE_SB1xxx_SOC
742 bool "Support for Broadcom BCM1xxx SOCs (EXPERIMENTAL)"
743 depends on EXPERIMENTAL
747 select SYS_SUPPORTS_32BIT_KERNEL
748 select SYS_SUPPORTS_64BIT_KERNEL
751 prompt "BCM1xxx SOC-based board"
752 depends on SIBYTE_SB1xxx_SOC
755 Enable support for boards based on the SiByte line of SOCs
756 from Broadcom. There are configurations for the known
757 evaluation boards, or you can choose "Other" and add your
758 own board support code.
761 bool "BCM91250A-SWARM"
764 config SIBYTE_SENTOSA
765 bool "BCM91250E-Sentosa"
769 bool "BCM91125E-Rhone"
770 select SIBYTE_BCM1125H
773 bool "BCM91120x-Carmel"
774 select SIBYTE_BCM1120
776 config SIBYTE_PTSWARM
777 bool "BCM91250PT-PTSWARM"
780 config SIBYTE_LITTLESUR
781 bool "BCM91250C2-LittleSur"
785 bool "BCM91120C-CRhine"
786 select SIBYTE_BCM1120
789 bool "BCM91125C-CRhone"
790 select SIBYTE_BCM1125
792 config SIBYTE_UNKNOWN
799 depends on SIBYTE_SB1xxx_SOC && !SIBYTE_UNKNOWN
803 prompt "BCM1xxx SOC Type"
804 depends on SIBYTE_UNKNOWN
805 default SIBYTE_UNK_BCM1250
807 Since you haven't chosen a known evaluation board from
808 Broadcom, you must explicitly pick the SOC this kernel is
811 config SIBYTE_UNK_BCM1250
815 config SIBYTE_UNK_BCM1120
817 select SIBYTE_BCM1120
819 config SIBYTE_UNK_BCM1125
821 select SIBYTE_BCM1125
823 config SIBYTE_UNK_BCM1125H
825 select SIBYTE_BCM1125H
833 config SIBYTE_BCM1120
835 select SIBYTE_BCM112X
837 config SIBYTE_BCM1125
840 select SIBYTE_BCM112X
842 config SIBYTE_BCM1125H
845 select SIBYTE_BCM112X
847 config SIBYTE_BCM112X
851 prompt "SiByte SOC Stepping"
852 depends on SIBYTE_SB1xxx_SOC
854 config CPU_SB1_PASS_1
856 depends on SIBYTE_SB1250
857 select CPU_HAS_PREFETCH
859 config CPU_SB1_PASS_2_1250
861 depends on SIBYTE_SB1250
862 select CPU_SB1_PASS_2
864 Also called BCM1250 Pass 2
866 config CPU_SB1_PASS_2_2
868 depends on SIBYTE_SB1250
869 select CPU_HAS_PREFETCH
871 Also called BCM1250 Pass 2.2
873 config CPU_SB1_PASS_4
875 depends on SIBYTE_SB1250
876 select CPU_HAS_PREFETCH
878 Also called BCM1250 Pass 3
880 config CPU_SB1_PASS_2_112x
882 depends on SIBYTE_BCM112X
883 select CPU_SB1_PASS_2
885 config CPU_SB1_PASS_3
887 depends on SIBYTE_BCM112X
888 select CPU_HAS_PREFETCH
892 config CPU_SB1_PASS_2
895 config SIBYTE_HAS_LDT
897 depends on PCI && (SIBYTE_SB1250 || SIBYTE_BCM1125H)
901 bool "Running under simulation"
902 depends on SIBYTE_SB1xxx_SOC
904 Build a kernel suitable for running under the GDB simulator.
905 Primarily adjusts the kernel's notion of time.
908 bool "Booting from CFE"
909 depends on SIBYTE_SB1xxx_SOC
911 Make use of the CFE API for enumerating available memory,
912 controlling secondary CPUs, and possibly console output.
914 config SIBYTE_CFE_CONSOLE
915 bool "Use firmware console"
916 depends on SIBYTE_CFE
918 Use the CFE API's console write routines during boot. Other console
919 options (VT console, sb1250 duart console, etc.) should not be
922 config SIBYTE_STANDALONE
924 depends on SIBYTE_SB1xxx_SOC && !SIBYTE_CFE
927 config SIBYTE_STANDALONE_RAM_SIZE
928 int "Memory size (in megabytes)"
929 depends on SIBYTE_STANDALONE
932 config SIBYTE_BUS_WATCHER
933 bool "Support for Bus Watcher statistics"
934 depends on SIBYTE_SB1xxx_SOC
936 Handle and keep statistics on the bus error interrupts (COR_ECC,
939 config SIBYTE_BW_TRACE
940 bool "Capture bus trace before bus error"
941 depends on SIBYTE_BUS_WATCHER
943 Run a continuous bus trace, dumping the raw data as soon as
944 a ZBbus error is detected. Cannot work if ZBbus profiling
945 is turned on, and also will interfere with JTAG-based trace
946 buffer activity. Raw buffer data is dumped to console, and
947 must be processed off-line.
949 config SIBYTE_SB1250_PROF
950 bool "Support for SB1/SOC profiling - SB1/SCD perf counters"
951 depends on SIBYTE_SB1xxx_SOC
954 bool "Support for ZBbus profiling"
955 depends on SIBYTE_SB1xxx_SOC
958 bool "Support for SNI RM200 PCI"
962 select DMA_NONCOHERENT
963 select GENERIC_ISA_DMA
964 select HAVE_STD_PC_SERIAL_PORT
968 select SYS_SUPPORTS_32BIT_KERNEL
969 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
971 The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
972 Nixdorf Informationssysteme (SNI), parent company of Pyramid
973 Technology and now in turn merged with Fujitsu. Say Y here to
974 support this machine type.
976 config TOSHIBA_RBTX4927
977 bool "Support for Toshiba TBTX49[23]7 board"
978 select DMA_NONCOHERENT
979 select HAS_TXX9_SERIAL
984 select SYS_SUPPORTS_32BIT_KERNEL
985 select SYS_SUPPORTS_64BIT_KERNEL
987 This Toshiba board is based on the TX4927 processor. Say Y here to
988 support this machine type
990 config TOSHIBA_FPCIB0
991 bool "FPCIB0 Backplane Support"
992 depends on TOSHIBA_RBTX4927
994 config RWSEM_GENERIC_SPINLOCK
998 config RWSEM_XCHGADD_ALGORITHM
1001 config GENERIC_CALIBRATE_DELAY
1005 config HAVE_DEC_LOCK
1010 # Select some configuration options automatically based on user selections.
1014 depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
1025 select DMA_NEED_PCI_MAP_STATE
1027 config DMA_NONCOHERENT
1029 select DMA_NEED_PCI_MAP_STATE
1031 config DMA_NEED_PCI_MAP_STATE
1036 depends on MACH_DECSTATION
1039 config GENERIC_ISA_DMA
1041 depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
1046 depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
1053 config MIPS_BONITO64
1055 depends on MIPS_ATLAS || MIPS_MALTA
1060 depends on MIPS_ATLAS || MIPS_MALTA
1068 config MIPS_DISABLE_OBSOLETE_IDE
1071 config CPU_LITTLE_ENDIAN
1072 bool "Generate little endian code"
1073 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
1074 default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
1076 Some MIPS machines can be configured for either little or big endian
1077 byte order. These modes require different kernels. Say Y if your
1078 machine is little endian, N if it's a big endian machine.
1089 config DDB5XXX_COMMON
1091 depends on DDB5074 || DDB5476 || DDB5477
1094 config MIPS_BOARDS_GEN
1096 depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
1101 depends on MIPS_COBALT
1106 depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
1111 depends on TOSHIBA_JMR3927
1112 select HAS_TXX9_SERIAL
1118 config ITE_BOARD_GEN
1120 depends on MIPS_IVR || MIPS_ITE8172
1123 config SWAP_IO_SPACE
1127 # Unfortunately not all GT64120 systems run the chip at the same clock.
1128 # As the user for the clock rate and try to minimize the available options.
1131 prompt "Galileo Chip Clock"
1132 #default SYSCLK_83 if MIPS_EV64120
1133 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1134 default SYSCLK_83 if MIPS_EV64120
1135 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
1138 bool "75" if MIPS_EV64120
1141 bool "83.3" if MIPS_EV64120
1144 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1148 config AU1X00_USB_DEVICE
1150 depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
1155 depends on MIPS_EV96100
1158 Say Y here to support the Galileo Technology GT96100 communications
1159 controller card. There is a web page at <http://www.galileot.com/>.
1163 depends on MIPS_ITE8172 || MIPS_IVR
1168 depends on MIPS_ITE8172
1173 depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
1176 config MIPS_L1_CACHE_SHIFT
1178 default "4" if MACH_DECSTATION
1179 default "7" if SGI_IP27
1184 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1187 config HAVE_STD_PC_SERIAL_PORT
1191 bool "ARC console support"
1192 depends on SGI_IP22 || SNI_RM200_PCI
1196 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
1201 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1214 #config MAPPED_PCI_IO y
1216 # depends on SGI_IP27
1224 config TOSHIBA_BOARDS
1226 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1231 menu "CPU selection"
1239 select CPU_SUPPORTS_32BIT_KERNEL
1243 select CPU_SUPPORTS_32BIT_KERNEL
1244 select CPU_SUPPORTS_64BIT_KERNEL
1248 select CPU_SUPPORTS_32BIT_KERNEL
1250 Please make sure to pick the right CPU type. Linux/MIPS is not
1251 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1252 *not* work on R4000 machines and vice versa. However, since most
1253 of the supported machines have an R4000 (or similar) CPU, R4x00
1254 might be a safe bet. If the resulting kernel does not work,
1255 try to recompile with R3000.
1259 select CPU_SUPPORTS_32BIT_KERNEL
1263 select CPU_SUPPORTS_32BIT_KERNEL
1264 select CPU_SUPPORTS_64BIT_KERNEL
1266 The options selects support for the NEC VR41xx series of processors.
1267 Only choose this option if you have one of these processors as a
1268 kernel built with this option will not run on any other type of
1269 processor or vice versa.
1273 select CPU_SUPPORTS_32BIT_KERNEL
1274 select CPU_SUPPORTS_64BIT_KERNEL
1276 MIPS Technologies R4300-series processors.
1280 select CPU_SUPPORTS_32BIT_KERNEL
1281 select CPU_SUPPORTS_64BIT_KERNEL
1283 MIPS Technologies R4000-series processors other than 4300, including
1284 the R4000, R4400, R4600, and 4700.
1288 select CPU_SUPPORTS_32BIT_KERNEL
1289 select CPU_SUPPORTS_64BIT_KERNEL
1293 select CPU_SUPPORTS_32BIT_KERNEL
1294 select CPU_SUPPORTS_64BIT_KERNEL
1296 MIPS Technologies R5000-series processors other than the Nevada.
1303 depends on EXPERIMENTAL
1304 select CPU_SUPPORTS_32BIT_KERNEL
1306 MIPS Technologies R6000 and R6000A series processors. Note these
1307 processors are extremly rare and the support for them is incomplete.
1311 select CPU_SUPPORTS_32BIT_KERNEL
1312 select CPU_SUPPORTS_64BIT_KERNEL
1314 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1318 depends on EXPERIMENTAL
1319 select CPU_SUPPORTS_64BIT_KERNEL
1321 MIPS Technologies R8000 processors. Note these processors are
1322 uncommon and the support for them is incomplete.
1326 select CPU_SUPPORTS_32BIT_KERNEL
1327 select CPU_SUPPORTS_64BIT_KERNEL
1329 MIPS Technologies R10000-series processors.
1333 select CPU_SUPPORTS_32BIT_KERNEL
1334 select CPU_SUPPORTS_64BIT_KERNEL
1338 select CPU_SUPPORTS_32BIT_KERNEL
1339 select CPU_SUPPORTS_64BIT_KERNEL
1343 select CPU_SUPPORTS_32BIT_KERNEL
1344 select CPU_SUPPORTS_64BIT_KERNEL
1349 prompt "Kernel page size"
1350 default PAGE_SIZE_4KB
1352 config PAGE_SIZE_4KB
1355 This option select the standard 4kB Linux page size. On some
1356 R3000-family processors this is the only available page size. Using
1357 4kB page size will minimize memory consumption and is therefore
1358 recommended for low memory systems.
1360 config PAGE_SIZE_8KB
1362 depends on EXPERIMENTAL && CPU_R8000
1364 Using 8kB page size will result in higher performance kernel at
1365 the price of higher memory consumption. This option is available
1366 only on the R8000 processor. Not that at the time of this writing
1367 this option is still high experimental; there are also issues with
1368 compatibility of user applications.
1370 config PAGE_SIZE_16KB
1372 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1374 Using 16kB page size will result in higher performance kernel at
1375 the price of higher memory consumption. This option is available on
1376 all non-R3000 family processor. Not that at the time of this
1377 writing this option is still high experimental; there are also
1378 issues with compatibility of user applications.
1380 config PAGE_SIZE_64KB
1382 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1384 Using 64kB page size will result in higher performance kernel at
1385 the price of higher memory consumption. This option is available on
1386 all non-R3000 family processor. Not that at the time of this
1387 writing this option is still high experimental; there are also
1388 issues with compatibility of user applications.
1395 config IP22_CPU_SCACHE
1399 config R5000_CPU_SCACHE
1403 config RM7000_CPU_SCACHE
1407 config SIBYTE_DMA_PAGEOPS
1408 bool "Use DMA to clear/copy pages"
1411 Instead of using the CPU to zero and copy pages, use a Data Mover
1412 channel. These DMA channels are otherwise unused by the standard
1413 SiByte Linux port. Seems to give a small performance benefit.
1415 config CPU_HAS_PREFETCH
1416 bool "Enable prefetches" if CPU_SB1 && !CPU_SB1_PASS_2
1417 default y if CPU_MIPS32 || CPU_MIPS64 || CPU_RM7000 || CPU_RM9000 || CPU_R10000
1420 bool "Support for Virtual Tagged I-cache" if CPU_MIPS64 || CPU_MIPS32
1421 default y if CPU_SB1
1423 config SB1_PASS_1_WORKAROUNDS
1425 depends on CPU_SB1_PASS_1
1428 config SB1_PASS_2_WORKAROUNDS
1430 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1433 config SB1_PASS_2_1_WORKAROUNDS
1435 depends on CPU_SB1 && CPU_SB1_PASS_2
1438 config 64BIT_PHYS_ADDR
1439 bool "Support for 64-bit physical address space"
1440 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
1443 bool "Override CPU Options"
1446 Saying yes here allows you to select support for various features
1447 your CPU may or may not have. Most people should say N here.
1450 bool "ll/sc Instructions available" if CPU_ADVANCED
1451 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
1453 MIPS R4000 series and later provide the Load Linked (ll)
1454 and Store Conditional (sc) instructions. More information is
1455 available at <http://www.go-ecs.com/mips/miptek1.htm>.
1457 Say Y here if your CPU has the ll and sc instructions. Say Y here
1458 for better performance, N if you don't know. You must say Y here
1459 for multiprocessor machines.
1461 config CPU_HAS_LLDSCD
1462 bool "lld/scd Instructions available" if CPU_ADVANCED
1463 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32
1465 Say Y here if your CPU has the lld and scd instructions, the 64-bit
1466 equivalents of ll and sc. Say Y here for better performance, N if
1467 you don't know. You must say Y here for multiprocessor machines.
1470 bool "Writeback Buffer available" if CPU_ADVANCED
1471 default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
1473 Say N here for slightly better performance. You must say Y here for
1474 machines which require flushing of write buffers in software. Saying
1475 Y is the safe option; N may result in kernel malfunction and crashes.
1479 depends on !CPU_R3000
1483 # - Highmem only makes sense for the 32-bit kernel.
1484 # - The current highmem code will only work properly on physically indexed
1485 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1486 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1487 # moment we protect the user and offer the highmem option only on machines
1488 # where it's known to be safe. This will not offer highmem on a few systems
1489 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1490 # indexed CPUs but we're playing safe.
1491 # - We should not offer highmem for system of which we already know that they
1492 # don't have memory configurations that could gain from highmem support in
1493 # the kernel because they don't support configurations with RAM at physical
1494 # addresses > 0x20000000.
1497 bool "High Memory Support"
1498 depends on 32BIT && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX)
1500 config ARCH_FLATMEM_ENABLE
1507 bool "Multi-Processing support"
1508 depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27
1510 This enables support for systems with more than one CPU. If you have
1511 a system with only one CPU, like most personal computers, say N. If
1512 you have a system with more than one CPU, say Y.
1514 If you say N here, the kernel will run on single and multiprocessor
1515 machines, but will use only one CPU of a multiprocessor machine. If
1516 you say Y here, the kernel will run on many, but not all,
1517 singleprocessor machines. On a singleprocessor machine, the kernel
1518 will run faster if you say N here.
1520 People using multiprocessor machines who say Y here should also say
1521 Y to "Enhanced Real Time Clock Support", below.
1523 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1524 available at <http://www.tldp.org/docs.html#howto>.
1526 If you don't know what to do here, say N.
1529 int "Maximum number of CPUs (2-64)"
1532 default "64" if SGI_IP27
1535 This allows you to specify the maximum number of CPUs which this
1536 kernel will support. The maximum supported value is 32 for 32-bit
1537 kernel and 64 for 64-bit kernels; the minimum value which makes
1540 This is purely to save memory - each supported CPU adds
1541 approximately eight kilobytes to the kernel image.
1544 bool "Preemptible Kernel"
1546 This option reduces the latency of the kernel when reacting to
1547 real-time or interactive events by allowing a low priority process to
1548 be preempted even if it is in kernel mode executing a system call.
1549 This allows applications to run more reliably even when the system is
1553 bool "DS1742 BRAM/RTC support"
1554 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1556 config MIPS_INSANE_LARGE
1557 bool "Support for large 64-bit configurations"
1558 depends on CPU_R10000 && 64BIT
1560 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1561 previous 64-bit processors which only supported 40 bit / 1TB. If you
1562 need processes of more than 1TB virtual address space, say Y here.
1563 This will result in additional memory usage, so it is not
1564 recommended for normal users.
1566 config RWSEM_GENERIC_SPINLOCK
1572 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1578 bool "Support for PCI controller"
1579 depends on HW_HAS_PCI
1581 Find out whether you have a PCI motherboard. PCI is the name of a
1582 bus system, i.e. the way the CPU talks to the other stuff inside
1583 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1586 The PCI-HOWTO, available from
1587 <http://www.tldp.org/docs.html#howto>, contains valuable
1588 information about which PCI hardware does work under Linux and which
1595 source "drivers/pci/Kconfig"
1598 # ISA support is now enabled via select. Too many systems still have the one
1599 # or other ISA chip on the board that users don't know about so don't expect
1600 # users to choose the right thing ...
1607 depends on SGI_IP22 || SNI_RM200_PCI
1610 The Extended Industry Standard Architecture (EISA) bus was
1611 developed as an open alternative to the IBM MicroChannel bus.
1613 The EISA bus provided some of the features of the IBM MicroChannel
1614 bus while maintaining backward compatibility with cards made for
1615 the older ISA bus. The EISA bus saw limited use between 1988 and
1616 1995 when it was made obsolete by the PCI bus.
1618 Say Y here if you are building a kernel for an EISA-based machine.
1622 source "drivers/eisa/Kconfig"
1625 bool "TURBOchannel support"
1626 depends on MACH_DECSTATION
1628 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1629 processors. Documentation on writing device drivers for TurboChannel
1631 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1634 # bool "Access.Bus support"
1647 source "drivers/pcmcia/Kconfig"
1649 source "drivers/pci/hotplug/Kconfig"
1653 menu "Executable file formats"
1655 source "fs/Kconfig.binfmt"
1662 bool "Use 64-bit ELF format for building"
1665 A 64-bit kernel is usually built using the 64-bit ELF binary object
1666 format as it's one that allows arbitrary 64-bit constructs. For
1667 kernels that are loaded within the KSEG compatibility segments the
1668 32-bit ELF format can optionally be used resulting in a somewhat
1669 smaller binary, but this option is not explicitly supported by the
1670 toolchain and since binutils 2.14 it does not even work at all.
1672 Say Y to use the 64-bit format or N to use the 32-bit one.
1677 bool "Include IRIX binary compatibility"
1678 depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN
1680 config MIPS32_COMPAT
1681 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1684 Select this option if you want Linux/MIPS 32-bit binary
1685 compatibility. Since all software available for Linux/MIPS is
1686 currently 32-bit you should say Y here.
1690 depends on MIPS32_COMPAT
1694 bool "Kernel support for o32 binaries"
1695 depends on MIPS32_COMPAT
1697 Select this option if you want to run o32 binaries. These are pure
1698 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1699 existing binaries are in this format.
1704 bool "Kernel support for n32 binaries"
1705 depends on MIPS32_COMPAT
1707 Select this option if you want to run n32 binaries. These are
1708 64-bit binaries using 32-bit quantities for addressing and certain
1709 data that would normally be 64-bit. They are used in special
1716 default y if MIPS32_O32 || MIPS32_N32
1719 bool "Power Management support (EXPERIMENTAL)"
1720 depends on EXPERIMENTAL && MACH_AU1X00
1724 source "net/Kconfig"
1726 source "drivers/Kconfig"
1730 source "arch/mips/Kconfig.debug"
1732 source "security/Kconfig"
1734 source "crypto/Kconfig"
1736 source "lib/Kconfig"
1739 # Use the generic interrupt handling code in kernel/irq/:
1741 config GENERIC_HARDIRQS
1745 config GENERIC_IRQ_PROBE