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"
17 # These two indicate any levelof the MIPS32 and MIPS64 architecture
21 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
25 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
28 # These two indicate the revision of the architecture, either 32 bot 64 bit.
32 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
36 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
38 config SYS_SUPPORTS_32BIT_KERNEL
40 config SYS_SUPPORTS_64BIT_KERNEL
42 config CPU_SUPPORTS_32BIT_KERNEL
44 config CPU_SUPPORTS_64BIT_KERNEL
51 prompt "Kernel code model"
53 You should only select this option if you have a workload that
54 actually benefits from 64-bit processing or if your machine has
55 large memory. You will only be presented a single option in this
56 menu if your system does not support both 32-bit and 64-bit kernels.
60 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
63 Select this option if you want to build a 32-bit kernel.
67 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
69 Select this option if you want to build a 64-bit kernel.
75 menu "Machine selection"
78 bool "Support for the Jazz family of machines"
81 select ARCH_MAY_HAVE_PC_FDC
82 select GENERIC_ISA_DMA
85 select SYS_SUPPORTS_32BIT_KERNEL
86 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
88 This a family of machines based on the MIPS R4030 chipset which was
89 used by several vendors to build RISC/os and Windows NT workstations.
90 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and
91 Olivetti M700-10 workstations.
94 bool "Support for Acer PICA 1 chipset (EXPERIMENTAL)"
95 depends on MACH_JAZZ && EXPERIMENTAL
96 select DMA_NONCOHERENT
98 This is a machine with a R4400 133/150 MHz CPU. To compile a Linux
99 kernel that runs on these, say Y here. For details about Linux on
100 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
101 <http://www.linux-mips.org/>.
103 config MIPS_MAGNUM_4000
104 bool "Support for MIPS Magnum 4000"
106 select DMA_NONCOHERENT
108 This is a machine with a R4000 100 MHz CPU. To compile a Linux
109 kernel that runs on these, say Y here. For details about Linux on
110 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
111 <http://www.linux-mips.org/>.
114 bool "Support for Olivetti M700-10"
116 select DMA_NONCOHERENT
118 This is a machine with a R4000 100 MHz CPU. To compile a Linux
119 kernel that runs on these, say Y here. For details about Linux on
120 the MIPS architecture, check out the Linux/MIPS FAQ on the WWW at
121 <http://www.linux-mips.org/>.
124 bool "Support for NEC VR4100 series based machines"
125 select SYS_SUPPORTS_32BIT_KERNEL
126 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
129 bool "Support for NEC CMB-VR4133"
130 depends on MACH_VR41XX
132 select DMA_NONCOHERENT
137 bool "Support for Rockhopper baseboard"
138 depends on NEC_CMBVR4133
140 select HAVE_STD_PC_SERIAL_PORT
143 bool "Support for CASIO CASSIOPEIA E-10/15/55/65"
144 depends on MACH_VR41XX
145 select CPU_LITTLE_ENDIAN
146 select DMA_NONCOHERENT
151 bool "Support for IBM WorkPad z50"
152 depends on MACH_VR41XX
153 select CPU_LITTLE_ENDIAN
154 select DMA_NONCOHERENT
159 bool "Support for TANBAC VR4131 multichip module and TANBAC VR4131DIMM"
160 depends on MACH_VR41XX
161 select CPU_LITTLE_ENDIAN
162 select DMA_NONCOHERENT
166 The TANBAC VR4131 multichip module(TB0225) and
167 the TANBAC VR4131DIMM(TB0229) are MIPS-based platforms
168 manufactured by TANBAC.
169 Please refer to <http://www.tanbac.co.jp/>
170 about VR4131 multichip module and VR4131DIMM.
173 bool "Support for TANBAC Mbase(TB0226)"
174 depends on TANBAC_TB022X
177 The TANBAC Mbase(TB0226) is a MIPS-based platform manufactured by TANBAC.
178 Please refer to <http://www.tanbac.co.jp/> about Mbase.
181 bool "Support for TANBAC Mini-ITX DIMM base(TB0287)"
182 depends on TANBAC_TB022X
184 The TANBAC Mini-ITX DIMM base(TB0287) is a MIPS-based platform manufactured by TANBAC.
185 Please refer to <http://www.tanbac.co.jp/> about Mini-ITX DIMM base.
188 bool "Support for Victor MP-C303/304"
189 depends on MACH_VR41XX
190 select CPU_LITTLE_ENDIAN
191 select DMA_NONCOHERENT
196 bool "Support for ZAO Networks Capcella"
197 depends on MACH_VR41XX
198 select CPU_LITTLE_ENDIAN
199 select DMA_NONCOHERENT
204 bool "Add PCI control unit support of NEC VR4100 series"
205 depends on MACH_VR41XX && HW_HAS_PCI
210 tristate "Add NEC VRC4173 companion chip support"
211 depends on MACH_VR41XX && PCI_VR41XX
213 The NEC VRC4173 is a companion chip for NEC VR4122/VR4131.
215 config TOSHIBA_JMR3927
216 bool "Support for Toshiba JMR-TX3927 board"
217 select DMA_NONCOHERENT
220 select SYS_SUPPORTS_32BIT_KERNEL
223 bool "Support for Cobalt Server"
224 depends on EXPERIMENTAL
225 select DMA_NONCOHERENT
229 select SYS_SUPPORTS_32BIT_KERNEL
230 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
232 config MACH_DECSTATION
233 bool "Support for DECstations"
235 select DMA_NONCOHERENT
238 select SYS_SUPPORTS_32BIT_KERNEL
239 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
241 This enables support for DEC's MIPS based workstations. For details
242 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
243 DECstation porting pages on <http://decstation.unix-ag.org/>.
245 If you have one of the following DECstation Models you definitely
246 want to choose R4xx0 for the CPU Type:
253 otherwise choose R3000.
256 bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
257 depends on EXPERIMENTAL
258 select DMA_NONCOHERENT
262 select SYS_SUPPORTS_32BIT_KERNEL
263 select SYS_SUPPORTS_64BIT_KERNEL
265 This is an evaluation board based on the Galileo GT-64120
266 single-chip system controller that contains a MIPS R5000 compatible
267 core running at 75/100MHz. Their website is located at
268 <http://www.marvell.com/>. Say Y here if you wish to build a
269 kernel for this platform.
272 bool "Enable Second PCI (PCI1)"
273 depends on MIPS_EV64120
276 bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
277 depends on EXPERIMENTAL
278 select DMA_NONCOHERENT
282 select RM7000_CPU_SCACHE
284 select SYS_SUPPORTS_32BIT_KERNEL
285 select SYS_SUPPORTS_64BIT_KERNEL
287 This is an evaluation board based on the Galileo GT-96100 LAN/WAN
288 communications controllers containing a MIPS R5000 compatible core
289 running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
290 here if you wish to build a kernel for this platform.
293 bool "Support for Globespan IVR board"
294 select DMA_NONCOHERENT
296 select SYS_SUPPORTS_32BIT_KERNEL
297 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
299 This is an evaluation board built by Globespan to showcase thir
300 iVR (Internet Video Recorder) design. It utilizes a QED RM5231
301 R5000 MIPS core. More information can be found out their website
302 located at <http://www.globespan.net/>. Say Y here if you wish to
303 build a kernel for this platform.
306 bool "Support for LASAT Networks platforms"
307 select DMA_NONCOHERENT
310 select R5000_CPU_SCACHE
311 select SYS_SUPPORTS_32BIT_KERNEL
312 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
315 tristate "PICVUE LCD display driver"
319 tristate "PICVUE LCD display driver /proc interface"
323 bool "DS1603 RTC driver"
327 bool "LASAT sysctl interface"
331 bool "Support for ITE 8172G board"
332 select DMA_NONCOHERENT
334 select SYS_SUPPORTS_32BIT_KERNEL
335 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
337 Ths is an evaluation board made by ITE <http://www.ite.com.tw/>
338 with ATX form factor that utilizes a MIPS R5000 to work with its
339 ITE8172G companion internet appliance chip. The MIPS core can be
340 either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build
341 a kernel for this platform.
344 bool "Support for older IT8172 (Rev C)"
345 depends on MIPS_ITE8172
347 Say Y here to support the older, Revision C version of the Integrated
348 Technology Express, Inc. ITE8172 SBC. Vendor page at
349 <http://www.ite.com.tw/ia/brief_it8172bsp.htm>; picture of the
350 board at <http://www.mvista.com/partners/semiconductor/ite.html>.
353 bool "Support for MIPS Atlas board"
355 select DMA_NONCOHERENT
358 select RM7000_CPU_SCACHE
360 select SYS_SUPPORTS_32BIT_KERNEL
361 select SYS_SUPPORTS_64BIT_KERNEL
363 This enables support for the MIPS Technologies Atlas evaluation
367 bool "Support for MIPS Malta board"
368 select ARCH_MAY_HAVE_PC_FDC
370 select HAVE_STD_PC_SERIAL_PORT
371 select DMA_NONCOHERENT
373 select GENERIC_ISA_DMA
378 select SYS_SUPPORTS_32BIT_KERNEL
379 select SYS_SUPPORTS_64BIT_KERNEL
381 This enables support for the MIPS Technologies Malta evaluation
385 bool "Support for MIPS SEAD board (EXPERIMENTAL)"
386 depends on EXPERIMENTAL
388 select DMA_NONCOHERENT
389 select SYS_SUPPORTS_32BIT_KERNEL
390 select SYS_SUPPORTS_64BIT_KERNEL
392 This enables support for the MIPS Technologies SEAD evaluation
395 config MOMENCO_OCELOT
396 bool "Support for Momentum Ocelot board"
397 select DMA_NONCOHERENT
402 select RM7000_CPU_SCACHE
404 select SYS_SUPPORTS_32BIT_KERNEL
405 select SYS_SUPPORTS_64BIT_KERNEL
407 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
408 Momentum Computer <http://www.momenco.com/>.
410 config MOMENCO_OCELOT_G
411 bool "Support for Momentum Ocelot-G board"
412 select DMA_NONCOHERENT
417 select RM7000_CPU_SCACHE
419 select SYS_SUPPORTS_32BIT_KERNEL
420 select SYS_SUPPORTS_64BIT_KERNEL
422 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
423 Momentum Computer <http://www.momenco.com/>.
425 config MOMENCO_OCELOT_C
426 bool "Support for Momentum Ocelot-C board"
427 select DMA_NONCOHERENT
432 select RM7000_CPU_SCACHE
434 select SYS_SUPPORTS_32BIT_KERNEL
435 select SYS_SUPPORTS_64BIT_KERNEL
437 The Ocelot is a MIPS-based Single Board Computer (SBC) made by
438 Momentum Computer <http://www.momenco.com/>.
440 config MOMENCO_OCELOT_3
441 bool "Support for Momentum Ocelot-3 board"
443 select DMA_NONCOHERENT
449 select RM7000_CPU_SCACHE
451 select SYS_SUPPORTS_32BIT_KERNEL
452 select SYS_SUPPORTS_64BIT_KERNEL
454 The Ocelot-3 is based off Discovery III System Controller and
455 PMC-Sierra Rm79000 core.
458 bool 'Support for MIPS simulator (MIPSsim)'
459 select DMA_NONCOHERENT
461 select SYS_SUPPORTS_32BIT_KERNEL
462 select SYS_SUPPORTS_BIG_ENDIAN
463 select SYS_SUPPORTS_LITTLE_ENDIAN
465 This option enables support for MIPS Technologies MIPSsim software
468 config MOMENCO_JAGUAR_ATX
469 bool "Support for Momentum Jaguar board"
471 select DMA_NONCOHERENT
478 select RM7000_CPU_SCACHE
480 select SYS_SUPPORTS_32BIT_KERNEL
481 select SYS_SUPPORTS_64BIT_KERNEL
483 The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by
484 Momentum Computer <http://www.momenco.com/>.
488 depends on MOMENCO_JAGUAR_ATX
490 Select to Y if jump JP5 is set on your board, N otherwise. Normally
491 the jumper is set, so if you feel unsafe, just say Y.
494 bool "Support for PMC-Sierra Yosemite eval board"
501 select SYS_SUPPORTS_32BIT_KERNEL
502 select SYS_SUPPORTS_64BIT_KERNEL
504 Yosemite is an evaluation board for the RM9000x2 processor
505 manufactured by PMC-Sierra
507 config HYPERTRANSPORT
508 bool "Hypertransport Support for PMC-Sierra Yosemite"
509 depends on PMC_YOSEMITE
512 bool "Support for Philips PNX8550 based Viper2-PCI board"
514 select SYS_SUPPORTS_LITTLE_ENDIAN
517 bool "Support for Philips PNX8550 based JBS board"
519 select SYS_SUPPORTS_LITTLE_ENDIAN
522 bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
523 depends on EXPERIMENTAL
524 select DMA_NONCOHERENT
525 select HAVE_STD_PC_SERIAL_PORT
530 select SYS_SUPPORTS_32BIT_KERNEL
531 select SYS_SUPPORTS_64BIT_KERNEL
533 This enables support for the VR5000-based NEC DDB Vrc-5074
537 bool "Support for NEC DDB Vrc-5476"
538 select DMA_NONCOHERENT
539 select HAVE_STD_PC_SERIAL_PORT
544 select SYS_SUPPORTS_32BIT_KERNEL
545 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
547 This enables support for the R5432-based NEC DDB Vrc-5476
550 Features : kernel debugging, serial terminal, NFS root fs, on-board
551 ether port USB, AC97, PCI, PCI VGA card & framebuffer console,
552 IDE controller, PS2 keyboard, PS2 mouse, etc.
555 bool "Support for NEC DDB Vrc-5477"
556 select DMA_NONCOHERENT
560 select SYS_SUPPORTS_32BIT_KERNEL
561 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
563 This enables support for the R5432-based NEC DDB Vrc-5477,
564 or Rockhopper/SolutionGear boards with R5432/R5500 CPUs.
566 Features : kernel debugging, serial terminal, NFS root fs, on-board
567 ether port USB, AC97, PCI, etc.
569 config DDB5477_BUS_FREQUENCY
570 int "bus frequency (in kHZ, 0 for auto-detect)"
575 bool "Support for Qemu"
577 select GENERIC_ISA_DMA
578 select HAVE_STD_PC_SERIAL_PORT
582 select SYS_SUPPORTS_32BIT_KERNEL
583 select SYS_SUPPORTS_BIG_ENDIAN
584 select SYS_SUPPORTS_HIGHMEM
586 Qemu is a software emulator which among other architectures also
587 can simulate a MIPS32 4Kc system. This patch adds support for the
588 system architecture that currently is being simulated by Qemu. It
589 will eventually be removed again when Qemu has the capability to
590 simulate actual MIPS hardware platforms. More information on Qemu
591 can be found at http://www.linux-mips.org/wiki/Qemu.
594 bool "Support for SGI IP22 (Indy/Indigo2)"
598 select DMA_NONCOHERENT
599 select IP22_CPU_SCACHE
602 select SYS_SUPPORTS_32BIT_KERNEL
603 select SYS_SUPPORTS_64BIT_KERNEL
605 This are the SGI Indy, Challenge S and Indigo2, as well as certain
606 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
607 that runs on these, say Y here.
610 bool "Support for SGI IP27 (Origin200/2000)"
616 select SYS_SUPPORTS_64BIT_KERNEL
618 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
619 workstations. To compile a Linux kernel that runs on these, say Y
624 # depends on SGI_IP27
625 # This options adds support for userspace processes upto 16TB size.
626 # Normally the limit is just .5TB.
628 config SGI_SN0_N_MODE
632 The nodes of Origin 200, Origin 2000 and Onyx 2 systems can be
633 configured in either N-Modes which allows for more nodes or M-Mode
634 which allows for more memory. Your system is most probably
635 running in M-Mode, so you should say N here.
637 config ARCH_DISCONTIGMEM_ENABLE
639 default y if SGI_IP27
641 Say Y to upport efficient handling of discontiguous physical memory,
642 for architectures which are either NUMA (Non-Uniform Memory Access)
643 or have huge holes in the physical address space for other reasons.
644 See <file:Documentation/vm/numa> for more.
650 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
651 Access). This option is for configuring high-end multiprocessor
652 server machines. If in doubt, say N.
655 bool "Mapped kernel support"
658 Change the way a Linux kernel is loaded into memory on a MIPS64
659 machine. This is required in order to support text replication and
660 NUMA. If you need to understand it, read the source code.
662 config REPLICATE_KTEXT
663 bool "Kernel text replication support"
666 Say Y here to enable replicating the kernel text across multiple
667 nodes in a NUMA cluster. This trades memory for speed.
669 config REPLICATE_EXHANDLERS
670 bool "Exception handler replication support"
673 Say Y here to enable replicating the kernel exception handlers
674 across multiple nodes in a NUMA cluster. This trades memory for
678 bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
679 depends on EXPERIMENTAL
685 select DMA_NONCOHERENT
686 select HAS_TXX9_SERIAL
688 select R5000_CPU_SCACHE
689 select RM7000_CPU_SCACHE
690 select SYS_SUPPORTS_64BIT_KERNEL
692 If you want this kernel to run on SGI O2 workstation, say Y here.
699 bool "Support for AMD/Alchemy Au1X00 SOCs"
700 select SYS_SUPPORTS_32BIT_KERNEL
703 prompt "Au1X00 SOC Type"
704 depends on SOC_AU1X00
706 Say Y here to enable support for one of three AMD/Alchemy
707 SOCs. For additional documentation see www.amd.com.
718 config TOSHIBA_RBTX4938
719 bool "Support for Toshiba RBTX4938 board"
720 select HAVE_STD_PC_SERIAL_PORT
721 select DMA_NONCOHERENT
722 select GENERIC_ISA_DMA
723 select HAS_TXX9_SERIAL
728 select SYS_SUPPORTS_32BIT_KERNEL
729 select SYS_SUPPORTS_LITTLE_ENDIAN
730 select SYS_SUPPORTS_BIG_ENDIAN
731 select TOSHIBA_BOARDS
733 This Toshiba board is based on the TX4938 processor. Say Y here to
734 support this machine type
739 prompt "AMD/Alchemy Au1x00 board support"
740 depends on SOC_AU1X00
742 These are evaluation boards built by AMD/Alchemy to
743 showcase their Au1X00 Internet Edge Processors. The SOC design
744 is based on the MIPS32 architecture running at 266/400/500MHz
745 with many integrated peripherals. Further information can be
746 found at their website, <http://www.amd.com/>. Say Y here if you
747 wish to build a kernel for this platform.
751 depends on SOC_AU1000
752 select DMA_NONCOHERENT
758 depends on SOC_AU1100
759 select DMA_NONCOHERENT
765 depends on SOC_AU1500
766 select DMA_NONCOHERENT
771 depends on SOC_AU1550
774 select MIPS_DISABLE_OBSOLETE_IDE
777 bool "AMD Alchemy PB1200 board"
779 select DMA_NONCOHERENT
780 select MIPS_DISABLE_OBSOLETE_IDE
781 select SYS_SUPPORTS_BIG_ENDIAN
782 select SYS_SUPPORTS_HIGHMEM
783 select SYS_SUPPORTS_HIGHMEM
784 select SYS_SUPPORTS_HIGHMEM
785 select SYS_SUPPORTS_HIGHMEM
786 select SYS_SUPPORTS_LITTLE_ENDIAN
790 depends on SOC_AU1000
791 select DMA_NONCOHERENT
796 depends on SOC_AU1100
797 select DMA_NONCOHERENT
801 depends on SOC_AU1500
802 select DMA_NONCOHERENT
804 select MIPS_DISABLE_OBSOLETE_IDE
808 depends on SOC_AU1550
810 select DMA_NONCOHERENT
811 select MIPS_DISABLE_OBSOLETE_IDE
814 bool "Bosporus board"
815 depends on SOC_AU1500
816 select DMA_NONCOHERENT
819 bool "AMD Alchemy DB1200 board"
822 select MIPS_DISABLE_OBSOLETE_IDE
823 select SYS_SUPPORTS_LITTLE_ENDIAN
827 depends on SOC_AU1500
828 select DMA_NONCOHERENT
831 bool "MyCable XXS1500 board"
832 depends on SOC_AU1500
833 select DMA_NONCOHERENT
836 bool "4G Systems MTX-1 board"
837 depends on SOC_AU1500
839 select DMA_NONCOHERENT
844 bool "Support for SNI RM200 PCI"
847 select ARCH_MAY_HAVE_PC_FDC
849 select DMA_NONCOHERENT
850 select GENERIC_ISA_DMA
851 select HAVE_STD_PC_SERIAL_PORT
855 select SYS_SUPPORTS_32BIT_KERNEL
856 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
857 select SYS_SUPPORTS_HIGHMEM
859 The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens
860 Nixdorf Informationssysteme (SNI), parent company of Pyramid
861 Technology and now in turn merged with Fujitsu. Say Y here to
862 support this machine type.
864 config TOSHIBA_RBTX4927
865 bool "Support for Toshiba TBTX49[23]7 board"
866 select DMA_NONCOHERENT
867 select HAS_TXX9_SERIAL
872 select SYS_SUPPORTS_32BIT_KERNEL
873 select SYS_SUPPORTS_64BIT_KERNEL
875 This Toshiba board is based on the TX4927 processor. Say Y here to
876 support this machine type
878 config TOSHIBA_FPCIB0
879 bool "FPCIB0 Backplane Support"
880 depends on TOSHIBA_RBTX4927
882 source "arch/mips/sgi-ip27/Kconfig"
883 source "arch/mips/sibyte/Kconfig"
884 source "arch/mips/tx4938/Kconfig"
885 source "arch/mips/philips/pnx8550/common/Kconfig"
887 config RWSEM_GENERIC_SPINLOCK
891 config RWSEM_XCHGADD_ALGORITHM
893 select HAS_TXX9_SERIAL
895 config GENERIC_CALIBRATE_DELAY
900 # Select some configuration options automatically based on user selections.
904 depends on SNI_RM200_PCI || SGI_IP32 || SGI_IP27 || SGI_IP22 || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61
907 config ARCH_MAY_HAVE_PC_FDC
918 select DMA_NEED_PCI_MAP_STATE
920 config DMA_NONCOHERENT
922 select DMA_NEED_PCI_MAP_STATE
924 config DMA_NEED_PCI_MAP_STATE
929 depends on MACH_DECSTATION
932 config GENERIC_ISA_DMA
934 depends on SNI_RM200_PCI || MIPS_MAGNUM_4000 || OLIVETTI_M700 || ACER_PICA_61 || MIPS_MALTA
939 depends on SNI_RM200_PCI || DDB5477 || DDB5476 || DDB5074 || MACH_JAZZ || MIPS_MALTA || MIPS_COBALT
945 select SYS_SUPPORTS_HIGHMEM
949 depends on MIPS_ATLAS || MIPS_MALTA
954 depends on MIPS_ATLAS || MIPS_MALTA
962 config MIPS_DISABLE_OBSOLETE_IDE
965 config CPU_LITTLE_ENDIAN
966 bool "Generate little endian code"
967 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
968 default n if MIPS_EV64120 || MIPS_EV96100 || MOMENCO_OCELOT || MOMENCO_OCELOT_G || SGI_IP22 || SGI_IP27 || SGI_IP32 || TOSHIBA_JMR3927
970 Some MIPS machines can be configured for either little or big endian
971 byte order. These modes require different kernels. Say Y if your
972 machine is little endian, N if it's a big endian machine.
983 config DDB5XXX_COMMON
985 depends on DDB5074 || DDB5476 || DDB5477
988 config MIPS_BOARDS_GEN
990 depends on MIPS_ATLAS || MIPS_MALTA || MIPS_SEAD
995 depends on MIPS_COBALT
1000 depends on MIPS_EV64120 || MIPS_EV96100 || LASAT || MIPS_ATLAS || MIPS_MALTA || MOMENCO_OCELOT
1005 depends on TOSHIBA_JMR3927
1006 select HAS_TXX9_SERIAL
1012 config ITE_BOARD_GEN
1014 depends on MIPS_IVR || MIPS_ITE8172
1023 select SYS_SUPPORTS_32BIT_KERNEL
1024 select DMA_NONCOHERENT
1027 config SWAP_IO_SPACE
1031 # Unfortunately not all GT64120 systems run the chip at the same clock.
1032 # As the user for the clock rate and try to minimize the available options.
1035 prompt "Galileo Chip Clock"
1036 #default SYSCLK_83 if MIPS_EV64120
1037 depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1038 default SYSCLK_83 if MIPS_EV64120
1039 default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G
1042 bool "75" if MIPS_EV64120
1045 bool "83.3" if MIPS_EV64120
1048 bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G
1052 config AU1X00_USB_DEVICE
1054 depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
1059 depends on MIPS_EV96100
1062 Say Y here to support the Galileo Technology GT96100 communications
1063 controller card. There is a web page at <http://www.galileot.com/>.
1067 depends on MIPS_ITE8172 || MIPS_IVR
1072 depends on MIPS_ITE8172
1077 depends on MACH_DECSTATION || MIPS_ATLAS || MIPS_MALTA || MOMENCO_JAGUAR_ATX || MOMENCO_OCELOT_3 || SIBYTE_SB1xxx_SOC || SGI_IP32 || SGI_IP22 || SNI_RM200_PCI
1080 config MIPS_L1_CACHE_SHIFT
1082 default "4" if MACH_DECSTATION
1083 default "7" if SGI_IP27
1088 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1091 config HAVE_STD_PC_SERIAL_PORT
1095 bool "ARC console support"
1096 depends on SGI_IP22 || SNI_RM200_PCI
1100 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32
1105 depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32
1118 #config MAPPED_PCI_IO y
1120 # depends on SGI_IP27
1123 config TOSHIBA_BOARDS
1125 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1130 menu "CPU selection"
1136 config CPU_MIPS32_R1
1137 bool "MIPS32 Release 1"
1138 select CPU_HAS_PREFETCH
1139 select CPU_SUPPORTS_32BIT_KERNEL
1141 Choose this option to build a kernel for release 2 or later of the
1142 MIPS32 architecture. Most modern embedded systems with a 32-bit
1143 MIPS processor are based on a MIPS32 processor. If you know the
1144 specific type of processor in your system, choose those that one
1145 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1146 Release 2 of the MIPS32 architecture is available since several
1147 years so chances are you even have a MIPS32 Release 2 processor
1148 in which case you should choose CPU_MIPS32_R2 instead for better
1151 config CPU_MIPS32_R2
1152 bool "MIPS32 Release 2"
1153 select CPU_HAS_PREFETCH
1154 select CPU_SUPPORTS_32BIT_KERNEL
1156 Choose this option to build a kernel for release 1 or later of the
1157 MIPS32 architecture. Most modern embedded systems with a 32-bit
1158 MIPS processor are based on a MIPS32 processor. If you know the
1159 specific type of processor in your system, choose those that one
1160 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1162 config CPU_MIPS64_R1
1163 bool "MIPS64 Release 1"
1164 select CPU_HAS_PREFETCH
1165 select CPU_SUPPORTS_32BIT_KERNEL
1166 select CPU_SUPPORTS_64BIT_KERNEL
1168 Choose this option to build a kernel for release 1 or later of the
1169 MIPS64 architecture. Many modern embedded systems with a 64-bit
1170 MIPS processor are based on a MIPS64 processor. If you know the
1171 specific type of processor in your system, choose those that one
1172 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1173 Release 2 of the MIPS64 architecture is available since several
1174 years so chances are you even have a MIPS64 Release 2 processor
1175 in which case you should choose CPU_MIPS64_R2 instead for better
1178 config CPU_MIPS64_R2
1179 bool "MIPS64 Release 2"
1180 select CPU_HAS_PREFETCH
1181 select CPU_SUPPORTS_32BIT_KERNEL
1182 select CPU_SUPPORTS_64BIT_KERNEL
1184 Choose this option to build a kernel for release 2 or later of the
1185 MIPS64 architecture. Many modern embedded systems with a 64-bit
1186 MIPS processor are based on a MIPS64 processor. If you know the
1187 specific type of processor in your system, choose those that one
1188 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1192 select CPU_SUPPORTS_32BIT_KERNEL
1193 select CPU_SUPPORTS_HIGHMEM
1195 Please make sure to pick the right CPU type. Linux/MIPS is not
1196 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1197 *not* work on R4000 machines and vice versa. However, since most
1198 of the supported machines have an R4000 (or similar) CPU, R4x00
1199 might be a safe bet. If the resulting kernel does not work,
1200 try to recompile with R3000.
1204 select CPU_SUPPORTS_32BIT_KERNEL
1208 select CPU_SUPPORTS_32BIT_KERNEL
1209 select CPU_SUPPORTS_64BIT_KERNEL
1211 The options selects support for the NEC VR41xx series of processors.
1212 Only choose this option if you have one of these processors as a
1213 kernel built with this option will not run on any other type of
1214 processor or vice versa.
1218 select CPU_SUPPORTS_32BIT_KERNEL
1219 select CPU_SUPPORTS_64BIT_KERNEL
1221 MIPS Technologies R4300-series processors.
1225 select CPU_SUPPORTS_32BIT_KERNEL
1226 select CPU_SUPPORTS_64BIT_KERNEL
1228 MIPS Technologies R4000-series processors other than 4300, including
1229 the R4000, R4400, R4600, and 4700.
1233 select CPU_SUPPORTS_32BIT_KERNEL
1234 select CPU_SUPPORTS_64BIT_KERNEL
1238 select CPU_SUPPORTS_32BIT_KERNEL
1239 select CPU_SUPPORTS_64BIT_KERNEL
1241 MIPS Technologies R5000-series processors other than the Nevada.
1248 depends on EXPERIMENTAL
1249 select CPU_SUPPORTS_32BIT_KERNEL
1251 MIPS Technologies R6000 and R6000A series processors. Note these
1252 processors are extremly rare and the support for them is incomplete.
1256 select CPU_SUPPORTS_32BIT_KERNEL
1257 select CPU_SUPPORTS_64BIT_KERNEL
1259 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1263 depends on EXPERIMENTAL
1264 select CPU_SUPPORTS_64BIT_KERNEL
1266 MIPS Technologies R8000 processors. Note these processors are
1267 uncommon and the support for them is incomplete.
1271 select CPU_SUPPORTS_32BIT_KERNEL
1272 select CPU_SUPPORTS_64BIT_KERNEL
1273 select CPU_SUPPORTS_HIGHMEM
1275 MIPS Technologies R10000-series processors.
1279 select CPU_SUPPORTS_32BIT_KERNEL
1280 select CPU_SUPPORTS_64BIT_KERNEL
1281 select CPU_SUPPORTS_HIGHMEM
1285 select CPU_SUPPORTS_32BIT_KERNEL
1286 select CPU_SUPPORTS_64BIT_KERNEL
1287 select CPU_SUPPORTS_HIGHMEM
1291 select CPU_SUPPORTS_32BIT_KERNEL
1292 select CPU_SUPPORTS_64BIT_KERNEL
1293 select CPU_SUPPORTS_HIGHMEM
1298 prompt "Kernel page size"
1299 default PAGE_SIZE_4KB
1301 config PAGE_SIZE_4KB
1304 This option select the standard 4kB Linux page size. On some
1305 R3000-family processors this is the only available page size. Using
1306 4kB page size will minimize memory consumption and is therefore
1307 recommended for low memory systems.
1309 config PAGE_SIZE_8KB
1311 depends on EXPERIMENTAL && CPU_R8000
1313 Using 8kB page size will result in higher performance kernel at
1314 the price of higher memory consumption. This option is available
1315 only on the R8000 processor. Not that at the time of this writing
1316 this option is still high experimental; there are also issues with
1317 compatibility of user applications.
1319 config PAGE_SIZE_16KB
1321 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1323 Using 16kB page size will result in higher performance kernel at
1324 the price of higher memory consumption. This option is available on
1325 all non-R3000 family processor. Not that at the time of this
1326 writing this option is still high experimental; there are also
1327 issues with compatibility of user applications.
1329 config PAGE_SIZE_64KB
1331 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
1333 Using 64kB page size will result in higher performance kernel at
1334 the price of higher memory consumption. This option is available on
1335 all non-R3000 family processor. Not that at the time of this
1336 writing this option is still high experimental; there are also
1337 issues with compatibility of user applications.
1344 config IP22_CPU_SCACHE
1348 config R5000_CPU_SCACHE
1352 config RM7000_CPU_SCACHE
1356 config SIBYTE_DMA_PAGEOPS
1357 bool "Use DMA to clear/copy pages"
1360 Instead of using the CPU to zero and copy pages, use a Data Mover
1361 channel. These DMA channels are otherwise unused by the standard
1362 SiByte Linux port. Seems to give a small performance benefit.
1364 config CPU_HAS_PREFETCH
1368 bool "Enable MIPS MT"
1371 prompt "MIPS MT options"
1375 bool "Use 1 TC on each available VPE for SMP"
1378 config MIPS_VPE_LOADER
1379 bool "VPE loader support."
1382 Includes a loader for loading an elf relocatable object
1383 onto another VPE and running it.
1387 config MIPS_VPE_LOADER_TOM
1388 bool "Load VPE program into memory hidden from linux"
1389 depends on MIPS_VPE_LOADER
1392 The loader can use memory that is present but has been hidden from
1393 Linux using the kernel command line option "mem=xxMB". It's up to
1394 you to ensure the amount you put in the option and the space your
1395 program requires is less or equal to the amount physically present.
1397 # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
1398 config MIPS_VPE_APSP_API
1399 bool "Enable support for AP/SP API (RTLX)"
1400 depends on MIPS_VPE_LOADER
1402 config SB1_PASS_1_WORKAROUNDS
1404 depends on CPU_SB1_PASS_1
1407 config SB1_PASS_2_WORKAROUNDS
1409 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1412 config SB1_PASS_2_1_WORKAROUNDS
1414 depends on CPU_SB1 && CPU_SB1_PASS_2
1417 config 64BIT_PHYS_ADDR
1418 bool "Support for 64-bit physical address space"
1419 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32_R1 || CPU_MIPS64_R1) && 32BIT
1422 bool "Override CPU Options"
1425 Saying yes here allows you to select support for various features
1426 your CPU may or may not have. Most people should say N here.
1429 bool "ll/sc Instructions available" if CPU_ADVANCED
1430 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
1432 MIPS R4000 series and later provide the Load Linked (ll)
1433 and Store Conditional (sc) instructions. More information is
1434 available at <http://www.go-ecs.com/mips/miptek1.htm>.
1436 Say Y here if your CPU has the ll and sc instructions. Say Y here
1437 for better performance, N if you don't know. You must say Y here
1438 for multiprocessor machines.
1440 config CPU_HAS_LLDSCD
1441 bool "lld/scd Instructions available" if CPU_ADVANCED
1442 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32_R1
1444 Say Y here if your CPU has the lld and scd instructions, the 64-bit
1445 equivalents of ll and sc. Say Y here for better performance, N if
1446 you don't know. You must say Y here for multiprocessor machines.
1449 bool "Writeback Buffer available" if CPU_ADVANCED
1450 default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
1452 Say N here for slightly better performance. You must say Y here for
1453 machines which require flushing of write buffers in software. Saying
1454 Y is the safe option; N may result in kernel malfunction and crashes.
1456 menu "MIPSR2 Interrupt handling"
1457 depends on CPU_MIPSR2 && CPU_ADVANCED
1459 config CPU_MIPSR2_IRQ_VI
1460 bool "Vectored interrupt mode"
1462 Vectored interrupt mode allowing faster dispatching of interrupts.
1463 The board support code needs to be written to take advantage of this
1464 mode. Compatibility code is included to allow the kernel to run on
1465 a CPU that does not support vectored interrupts. It's safe to
1468 config CPU_MIPSR2_IRQ_EI
1469 bool "External interrupt controller mode"
1471 Extended interrupt mode takes advantage of an external interrupt
1472 controller to allow fast dispatching from many possible interrupt
1473 sources. Say N unless you know that external interrupt support is
1476 config CPU_MIPSR2_SRS
1477 bool "Make shadow set registers available for interrupt handlers"
1478 depends on CPU_MIPSR2_IRQ_VI || CPU_MIPSR2_IRQ_EI
1480 Allow the kernel to use shadow register sets for fast interrupts.
1481 Interrupt handlers must be specially written to use shadow sets.
1482 Say N unless you know that shadow register set upport is needed.
1487 depends on !CPU_R3000
1491 # Use the generic interrupt handling code in kernel/irq/:
1493 config GENERIC_HARDIRQS
1497 config GENERIC_IRQ_PROBE
1502 # - Highmem only makes sense for the 32-bit kernel.
1503 # - The current highmem code will only work properly on physically indexed
1504 # caches such as R3000, SB1, R7000 or those that look like they're virtually
1505 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
1506 # moment we protect the user and offer the highmem option only on machines
1507 # where it's known to be safe. This will not offer highmem on a few systems
1508 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
1509 # indexed CPUs but we're playing safe.
1510 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
1511 # know they might have memory configurations that could make use of highmem
1515 bool "High Memory Support"
1516 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
1518 config CPU_SUPPORTS_HIGHMEM
1521 config SYS_SUPPORTS_HIGHMEM
1524 config ARCH_FLATMEM_ENABLE
1531 bool "Multi-Processing support"
1532 depends on CPU_RM9000 || (SIBYTE_SB1250 && !SIBYTE_STANDALONE) || SGI_IP27 || MIPS_MT_SMP
1534 This enables support for systems with more than one CPU. If you have
1535 a system with only one CPU, like most personal computers, say N. If
1536 you have a system with more than one CPU, say Y.
1538 If you say N here, the kernel will run on single and multiprocessor
1539 machines, but will use only one CPU of a multiprocessor machine. If
1540 you say Y here, the kernel will run on many, but not all,
1541 singleprocessor machines. On a singleprocessor machine, the kernel
1542 will run faster if you say N here.
1544 People using multiprocessor machines who say Y here should also say
1545 Y to "Enhanced Real Time Clock Support", below.
1547 See also the <file:Documentation/smp.txt> and the SMP-HOWTO
1548 available at <http://www.tldp.org/docs.html#howto>.
1550 If you don't know what to do here, say N.
1553 int "Maximum number of CPUs (2-64)"
1556 default "64" if SGI_IP27
1559 This allows you to specify the maximum number of CPUs which this
1560 kernel will support. The maximum supported value is 32 for 32-bit
1561 kernel and 64 for 64-bit kernels; the minimum value which makes
1564 This is purely to save memory - each supported CPU adds
1565 approximately eight kilobytes to the kernel image.
1567 source "kernel/Kconfig.preempt"
1570 bool "DS1742 BRAM/RTC support"
1571 depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927
1573 config MIPS_INSANE_LARGE
1574 bool "Support for large 64-bit configurations"
1575 depends on CPU_R10000 && 64BIT
1577 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
1578 previous 64-bit processors which only supported 40 bit / 1TB. If you
1579 need processes of more than 1TB virtual address space, say Y here.
1580 This will result in additional memory usage, so it is not
1581 recommended for normal users.
1583 config RWSEM_GENERIC_SPINLOCK
1589 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
1595 bool "Support for PCI controller"
1596 depends on HW_HAS_PCI
1598 Find out whether you have a PCI motherboard. PCI is the name of a
1599 bus system, i.e. the way the CPU talks to the other stuff inside
1600 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
1603 The PCI-HOWTO, available from
1604 <http://www.tldp.org/docs.html#howto>, contains valuable
1605 information about which PCI hardware does work under Linux and which
1612 source "drivers/pci/Kconfig"
1615 # ISA support is now enabled via select. Too many systems still have the one
1616 # or other ISA chip on the board that users don't know about so don't expect
1617 # users to choose the right thing ...
1624 depends on SGI_IP22 || SNI_RM200_PCI
1627 The Extended Industry Standard Architecture (EISA) bus was
1628 developed as an open alternative to the IBM MicroChannel bus.
1630 The EISA bus provided some of the features of the IBM MicroChannel
1631 bus while maintaining backward compatibility with cards made for
1632 the older ISA bus. The EISA bus saw limited use between 1988 and
1633 1995 when it was made obsolete by the PCI bus.
1635 Say Y here if you are building a kernel for an EISA-based machine.
1639 source "drivers/eisa/Kconfig"
1642 bool "TURBOchannel support"
1643 depends on MACH_DECSTATION
1645 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
1646 processors. Documentation on writing device drivers for TurboChannel
1648 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
1651 # bool "Access.Bus support"
1664 source "drivers/pcmcia/Kconfig"
1666 source "drivers/pci/hotplug/Kconfig"
1670 menu "Executable file formats"
1672 source "fs/Kconfig.binfmt"
1679 bool "Use 64-bit ELF format for building"
1682 A 64-bit kernel is usually built using the 64-bit ELF binary object
1683 format as it's one that allows arbitrary 64-bit constructs. For
1684 kernels that are loaded within the KSEG compatibility segments the
1685 32-bit ELF format can optionally be used resulting in a somewhat
1686 smaller binary, but this option is not explicitly supported by the
1687 toolchain and since binutils 2.14 it does not even work at all.
1689 Say Y to use the 64-bit format or N to use the 32-bit one.
1694 bool "Include IRIX binary compatibility"
1695 depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN
1697 config MIPS32_COMPAT
1698 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
1701 Select this option if you want Linux/MIPS 32-bit binary
1702 compatibility. Since all software available for Linux/MIPS is
1703 currently 32-bit you should say Y here.
1707 depends on MIPS32_COMPAT
1711 bool "Kernel support for o32 binaries"
1712 depends on MIPS32_COMPAT
1714 Select this option if you want to run o32 binaries. These are pure
1715 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1716 existing binaries are in this format.
1721 bool "Kernel support for n32 binaries"
1722 depends on MIPS32_COMPAT
1724 Select this option if you want to run n32 binaries. These are
1725 64-bit binaries using 32-bit quantities for addressing and certain
1726 data that would normally be 64-bit. They are used in special
1733 default y if MIPS32_O32 || MIPS32_N32
1736 bool "Enable seccomp to safely compute untrusted bytecode"
1737 depends on PROC_FS && BROKEN
1740 This kernel feature is useful for number crunching applications
1741 that may need to compute untrusted bytecode during their
1742 execution. By using pipes or other transports made available to
1743 the process as file descriptors supporting the read/write
1744 syscalls, it's possible to isolate those applications in
1745 their own address space using seccomp. Once seccomp is
1746 enabled via /proc/<pid>/seccomp, it cannot be disabled
1747 and the task is only allowed to execute a few safe syscalls
1748 defined by each seccomp mode.
1750 If unsure, say Y. Only embedded should say N here.
1753 bool "Power Management support (EXPERIMENTAL)"
1754 depends on EXPERIMENTAL && MACH_AU1X00
1758 source "net/Kconfig"
1760 source "drivers/Kconfig"
1764 source "arch/mips/Kconfig.debug"
1766 source "security/Kconfig"
1768 source "crypto/Kconfig"
1770 source "lib/Kconfig"